0001]The present disclosure relates to self-propelled air cleaner.
BACKGROUND
[0002]Self-propelled air cleaning robot, for example, is known from JP 2005-331128. In this self-propelled air cleaning robot, air cleaning means has an outlet which is open upwardly and an intake port that opens at least in the running direction. Filter And, inside the air cleaner body and the fan is provided, which forcibly sucking air from the intake port formed in a traveling direction on both sides of the top frame of the air cleaner main body by the fan, is provided on the outer periphery of the fan to adsorb dust and mite allergen, thereafter, evacuating the clean air from the exhaust port provided on the top frame the top of the air cleaner body.
CITATION
Patent Document
[0003]
Patent Document 1: JP 2005-331128 JP
Summary of the Invention
Problems that the Invention is to Solve
[0004]
　However, in the structure in which the filter independently of the fan on the outer periphery of the fan disclosed in Patent Publication described above, a large volume occupied by the fan and the filter, it is difficult to miniaturize the air cleaner. The intake port is opened in the traveling direction, hence has a structure in which the exhaust port is opened upward, for example, will be cleaned faster than the intermediate space of the room towards the upper space of the room, the air in the so-called living space difficult to quickly perform a clean.
[0005]
　Accordingly, an object of the present disclosure can be miniaturized, moreover, is to provide a self-propelled air cleaner that allows to perform rapidly the air cleaning in living spaces.
Means for Solving the Problems
[0006]
　Air cleaner of the present disclosure in order to achieve the above object,
　the upper face, has a side surface and a lower surface, air inlet is provided in the center of the top, side, or an exhaust port to the outer edge and side of the upper surface provided enclosure,
　self apparatus,
　is disposed within the housing, a motor having a parallel output shaft axis from the bottom surface toward the top surface,
　is disposed in the housing, a fan which is rotated by the rotation of the output shaft of the motor,
　housing is placed in the body, it is rotated by the rotation of the output shaft of the motor, the first filter member disposed on the housing side surface side of the fan, and
　is disposed in the housing, rotated by the rotation of the output shaft of the motor is, the second filter member, which is disposed on the housing side surface side of the first filter member
comprises a.
Effect of the invention
[0007]
　In self-propelled air cleaner of the present disclosure, the air inlet is provided in a central portion of the upper surface of the housing, the side surface, or, the exhaust port is provided on the outer edge and side of the upper surface, the self-propelled air the flow of clean air exhausted from the cleaner includes a horizontal component. As a result, the middle space of the room, (substituted by clean air) air purifier in a so-called living space can be quickly. Further, is provided with the first filter member and the second filter member, it is possible to clean the air more reliably. Furthermore, the motor with, and rotates the first filter member and the second filter member Hence, it is possible to achieve both the quietness and high dust collecting property. Also, the fan, it is possible to the first filter member and the second filter member is easily integrated, it is possible to reduce the size of the self-propelled air cleaner. The effect described herein is not to be limited is merely illustrative, and there may be additional effects.
BRIEF DESCRIPTION OF THE DRAWINGS
[0008]
[Figure 1] Figure 1 (A), (B) and (C), respectively, fan in self-propelled air cleaner of Example 1, schematic perspective, such as the first filter member and the second filter member FIG, fan, schematic perspective view partially cut away, such as the first filter member and the second filter member, as well as a fan, or the like in a schematic perspective view seen through the first filter member and the second filter member is there.
FIG. 2 is a schematic cross-sectional view of the self-propelled air cleaner of Example 1.
FIG. 3 is a schematic diagram viewed from above the self-propelled air cleaner of Example 1.
[4] FIG. 4 is a schematic view as viewed from below the self-propelled air cleaner of Example 1.
[5] FIGS. 5A and 5B are schematic diagrams obtained while self propelled air cleaner of Example 1 along the wall of a room in a counterclockwise direction and the clockwise direction.
[Figure 6] Figure 6 (A), (B) and (C), respectively, the fan in a modification of the self-propelled air cleaner of Example 1, a schematic of such first filter member and the second filter member perspective view, a fan, schematic perspective view partially cut away, such as the first filter member and the second filter member, as well as fans, schematic seen through the first filter member and the second filter member and the like it is a perspective view.
[7] FIG. 7 (A), (B) and (C), respectively, schematic perspective, such as the fan and the second filter member in another modification of the self-propelled air cleaner of Example 1 FIG, fan and schematic perspective view of a second partial cutaway of the filter member or the like, and is a schematic perspective view seen through the fan and the second filter member and the like.
[8] FIG 8, the amount of clean air can be supplied to 1 hour (CADR: m 3 a / h), the volume of the air cleaner (unit: m 3 is a graph showing the result of obtaining) as a parameter.
[9] FIG. 9 is a graph showing the results of examining the floor when placing the self-propelled air cleaner of Example 1 in a room, floor 1.2 m, the state of dust attenuation in three of the ceiling .
[10] FIG 10 is a graph showing the results of examining the state of the dust damping floor, floor 1.2 m, in three of the ceiling when placing the conventional air cleaner stationary Comparative Example 1 in the room it is.
DESCRIPTION OF THE INVENTION
[0009]
　Hereinafter, with reference to the drawings and describing the present disclosure based on examples, but the present disclosure is not intended to be limited to the embodiments, various numerical values and materials in the embodiments are illustrative. The description will be made in the following order.
1. Self-propelled air cleaner of the present disclosure, and General Description
2. Example 1 (the present disclosure self-propelled air cleaner)
3. Otherwise
[0010]

　In the self-propelled air cleaner of the present disclosure, the fan, the form in which the rotary shaft is composed of parallel sirocco fan and the axis of the output shaft of the motor it can be alternatively, can be in the form of rotating shaft and a parallel propeller fan and the axis of the output shaft of the motor. More specifically, the present invention can be exemplified embodiment for mounting the fan to an output shaft of the motor, the mounting pedestal to the output shaft of the motor, may also be mentioned embodiment to attach the fan to the base. Sirocco fan is also called a multi-blade fan, which is a thin blade with a number of widths are arranged with respect to the rotational direction, a blower for use in a range of relatively low static pressure, the air flow direction is rotated a centrifugal direction to a perpendicular to the axis. Propeller fan, a plurality of propeller attached to a rotating shaft, the direction of flow of the air is a direction along the rotation axis, air linearly flows while swirling. The mounting pedestal with the output shaft of the motor, in the form of attaching the fan to the base, the axis of rotation, one is a virtual rotation axis, for convenience, may be referred to as "rotation axis". The axis of rotation of the pedestal is the actual axis of rotation. The rotation axis of the rotary shaft and the second filter member of the first filter member described below, when the first filter member and the second filter member is attached to the pedestal, one is the virtual rotary axis (rotation axis) .
[0011]
　In self-propelled air cleaner of the present disclosure including the preferred embodiment described above, the first filter member, the rotation axis (or the axis of rotation) of the axis of the output shaft of the motor parallel to the hollow cylindrical (hollow cylinder shape) It can be in the form consisting of bellows filter, in this case, the first filter member is preferably made of a composite material of the support member and the porous carbon material. Attach the pedestal to the output shaft of the motor, it may also be mentioned embodiment for attaching the first filter member to the base.
[0012]
　In self-propelled air cleaner of the present disclosure including the various preferred forms described above, the second filter member, the rotation axis (or the axis of rotation) of the axis of the output shaft of the motor parallel to the hollow cylindrical (hollow can be in the form consisting of bellows filter cylinder), in this case, the second filter member is preferably made of a composite material of the support member and the porous carbon material. Attach the pedestal to the output shaft of the motor, it may also be mentioned embodiment for attaching the second filter member to the pedestal.
[0013]
　Furthermore, the self-propelled air cleaner of the present disclosure including the preferred forms of the various described above, the fan, the first filter member and the second filter member may be in the form are integrated. Specifically, for example, attach the pedestal to the output shaft of the motor, the fan, the first filter member and the second filter member may be attached to the pedestal. The fan is preferably attached to interchangeably mount the first filter member and the second filter member.
[0014]
　Furthermore, the self-propelled air cleaner of the present disclosure including the preferred forms of the various described above, the rotation direction of the first filter member, be in the form a the same direction as the rotational direction of the second filter member possible, it is not limited thereto, the rotational direction of the first filter member may also be in the form a direction opposite to the direction of rotation of the second filter member.
[0015]
　Furthermore, the self-propelled air cleaner of the present disclosure including the various preferred forms described above, the outer shape of the housing cylindrical (cylindrical) or disc-shaped, or is composed of a part of a spherical surface is preferably a shape including a part of the shape or spherical are, but not limited to the outer shape. Housing is stored in a housing (body cover). The housing air inlet provided in the casing, outlet openings corresponding to the self-propelled device is provided. The top of the housing, the upper surface of the housing has a closable structure, it is possible to perform the first filtering member, the exchange of the second filter member.
[0016]
　Furthermore, the self-propelled air cleaner of the present disclosure including the preferred forms of the various described above, when the travel direction is 0 degree direction, with respect to the running direction from the center of the housing (90 ° ± 20 ° the area of ​​the housing within the range of) it is preferred that the exhaust port is not provided. The angle may be the direction of the rotational direction opposite to the fan a positive value. The outlet By arranging in this way, self-propelled air cleaner enters the space where clean air is discharged from the exhaust port, the self-propelled air cleaner is inhaling the clean air from the air inlet the occurrence of phenomenon put away can be suppressed.
[0017]
　Furthermore, it can be a propelled air cleaner of the present disclosure, a second intake port is provided in a central portion of the lower surface of the housing forms, including various preferred forms described above. With such a configuration, for example, it can be a minute substance or the like present on the floor is removed by the filter member of the self-propelled air cleaner. It may be mentioned circular as the outline shape of the second intake port.
[0018]
　Furthermore, the self-propelled air cleaner of the present disclosure including the preferred forms of the various described above, the moving direction of the self-propelled air purifier, the form is a direction opposite to the direction of rotation of the output shaft of the motor be able to. That is, when the direction of rotation of the output shaft of the motor and clockwise, self-propelled air cleaner is preferably self-propelled counterclockwise, when the rotational direction of the output shaft of the motor and the counterclockwise direction, the own Hashishiki air purifier is preferably self-propelled in the clockwise direction. Such movement of the self-propelled air cleaner, it is possible to intake air in the space (space where dust is present more) required more air cleaning. Stated words, the direction of movement of self-propelled by a direction opposite to the direction of rotation of the output shaft of the motor, the self-propelled air cleaner enters the space where clean air is discharged from the exhaust port, self-propelled it is possible to suppress the occurrence of phenomena such air purifier ends up air clean air from the intake port. Incidentally, when the self-propelled air cleaner is self counterclockwise direction as a whole, in some cases, it may be necessary to free running clockwise. Thus, "the direction of movement of self-propelled" is a direction when overall view of the movement of the self-propelled air cleaner. Further, when the self-propelled air cleaner is self counterclockwise as a whole, if you have to self clockwise, it may stop the rotation of the motor.
[0019]
　Furthermore, it can be in the form of traveling propelled air cleaner of the present disclosure, a building arranged in the track portion on including various preferred forms described above. Usually, self-propelled air cleaner of the present disclosure is moved on the floor, in some cases, thus, (specifically, on the ceiling or wall) building the track such as rails disposed part may be in the form that move. With this configuration, self-propelled to the air cleaner does not become a hindrance, it can be cleaned quickly the air in the upper space, such as a room or factory.
[0020]
　In the self-propelled air cleaner of the present disclosure, the motor may be intermittently rotated. That is, at all times, may not be rotated. The running, may be used as the intermittent driving of repeating the static, or with a change in the running speed such early / late. Based on the measurement such as dust sensor, may be changed to rotational speed of the motor may be changed rotation speed of the motor in accordance with a change in the running speed. In the corner of the room to increase the rotational speed of the motor, to In the move to self-propelled air cleaner along the wall of a room it may operate such reduces the rotational speed of the motor, free running of a corner of the room running such reducing the moving speed of the formula air cleaner (operation) pattern may be employed. Moreover, adoption information dust concentration detected by the installed dust sensor inside the room, the self-propelled by the air purifier is interlocked, the running pattern such cleaning the place high dust concentrations preferentially it may be. Furthermore, by linking a smartphone, it is also possible to clean the favorite location in the room centrally from a remote location. Further, dust and allergens by a sensor mounted on the self-propelled air cleaner, the concentration of virus may be performed to observe remotely (visualization of air).
[0021]
　In self-propelled air cleaner of the present disclosure including the various preferred forms described above, the housing and the housing (body cover) is plastic or metal, may be produced from the alloy. Self apparatus, for example, three or more wheels, and may be composed of a driving means for applying a rotational force to the wheels (for example, a DC motor driven by the on-board secondary battery). Fan, the first filter member, a motor for rotating the second filter member may be a known motor driven by a secondary battery (e.g., a DC motor). It may be exemplified 100rpm to 5000rpm as the rotation speed of the motor. As a fan of the material, mention may be made of plastic or metal, alloy. Control of the rotation of the motor, the control of the self-device (the control of free-running) is carried out by the control device, the control device may be a known configuration. Self-propelled air cleaner of the present disclosure, a gas sensor; odor sensor; dust sensor; a plurality of obstacle detection sensor consisting of ultrasonic sensors mounted at predetermined intervals on the side surface of the housing; step detecting sensor; travel distance sensor; pollen sensor, fungi sensor, to biological particles such as viruses sensor may be provided with a sensor such as sensing possible sensor may comprise a particle counter and a miniature camera. The control device, a storage device, receiving device, the control circuit of the sensors include a charging device, etc. for charging the secondary battery to drive the motor and control device.
[0022]
　It may be mentioned circular as the outline shape of the inlet. When the area of ​​the upper surface of the housing is 100, it can be exemplified 10 to 90 as an opening ratio of the inlet, not limited to such values. An exhaust port provided on a side surface of the housing (for convenience, referred to as "first exhaust port") is composed of a outer shape of a substantially triangular (one long side and one short side and medium length of the side If assuming a triangular shape in which one long side and one short side is similar to a triangle disposed generally along the blowing direction of the air), it may be mentioned substantially rectangular, oval. Can be exemplified 2 to 10 as the number of the first exhaust port 10, such to not limited to the values, when the area of ​​the side surface of the housing is 100, the opening ratio of the first exhaust port or it can be exemplified 90, not limited to such values. Housing top exhaust port provided on the outer edge of the (for convenience, referred to as "second exhaust port") as the outer shape of, assuming a triangle made up of a substantially triangular (two long sides and short bottom, shape two long sides, similar to the generally along arranged triangle blowing direction of the air), it may be mentioned substantially rectangular, oval. Can be exemplified 2 to 10 as the number of the second exhaust port 10, such to not limited to the values, when the area of ​​the upper surface of the housing is 100, the opening ratio of the second exhaust port or it can be exemplified 90, not limited to such values. Air inlet provided in the housing, but the housing corresponding to the exhaust port opening is provided, these openings, for example, can be composed of many small holes in the housing and it may be a drainboard shape or lattice shape. Alternatively, the opening provided in the housing so as to correspond to the exhaust port, the elongated plate called vanes (yes were), it may be attached to louvers partnered in parallel with a gap in the framework, thereby, it is possible to perform orientation of air exhausted from the exhaust port based on the mounting angle of the blades.
[0023]
　The housing, self-propelled display unit may be provided to inform the exchange of operating conditions and the filter member of the air cleaner may be provided with a key input unit for inputting various operating conditions and the like. Further, it is corresponding to the NFC (Near Field Communication), or alternatively, Wi-Fi, based on the Bluetooth (registered trademark), it is also possible to carry out instructions and remote control of the movement of the self-propelled air cleaner.
[0024]
　The first filter member, as the porous carbon material constituting the second filter member, a porous carbon material derived from a plant, activated carbon, a resin material serving as a binder for bonding these materials, and the nonwoven fabric sheet, the support of these filters plastic material made can be mentioned.
[0025]
　The porous carbon material constituting the first filter member and the second filter member, to alone can be used, it is also possible to use a porous carbon material / polymer composite comprising a porous carbon material and a polymer. Here, as the binder constituting the porous carbon material / polymer composites, for example, carboxymethyl nitrocellulose, urea resin, melamine resin, phenol resin, epoxy resin, polyurethane resin, resorcinol resin, vinyl acetate resin, polyvinyl alcohol resin , polyethylene resins, polyester resins, polystyrene resins, poly (meth) acrylic resins, poly (meth) acrylic acid ester resins, (meth) acrylic acid-styrene copolymer resin, an ethylene-vinyl acetate copolymer resin, vinyl acetate - (meth) acrylic copolymer resin, and ethylene-vinyl acetate (meth) acrylic terpolymer resin, among these, hydrophilic, hydrolysis or swell hardly acrylonitrile-butadiene resin (AB resin), styrene-butadiene Fat (SB resin), acrylonitrile butadiene styrene resin (ABS resin), an acrylic acid ester-styrene copolymer resins, butadiene resins such as methacrylate-styrene copolymer resin, styrene-based resin is more preferable. It may be used in combination of two or more binders.
[0026]
　In the first filter member and the second filter member, the porous carbon material or porous carbon material / polymer complex (hereinafter collectively referred to, it may be referred to as "porous carbon material or the like") is it can be given the form as it is supported (carried) by a support member. The first filter member, a woven or nonwoven fabric as a support member constituting a second filter member (including the wet-laid nonwoven fabric), paper, there may be mentioned synthetic fiber paper, as the material constituting the woven fabric or nonwoven fabric, a chemical fiber paper, cellulose or polypropylene, polyethylene, polyamide, nylon, polyimide, PVDF, PTFE, PAN, polyester, organic materials such as rayon, may be exemplified an inorganic material such as glass fiber or stainless steel. As a support form, the form in which a porous carbon material or the like is sandwiched between the support member and the support member, forms a porous carbon material or the like is kneaded in the support member, write porous carbon material or the like plow to the support member or form (e.g., mixed paper), forms adhered with a porous carbon material or the like to the support member, the support member can be exemplified coated form of a porous carbon material or the like. Bellows filter constituting the first filter member and the second filter member may be manufactured in a known manner.
[0027]
　The first filter member, the raw material of the porous carbon material constituting the second filter member may be a plant-derived material. Incidentally, such a porous carbon material is referred to as "porous carbon material derived from plants". As a plant-derived material, rice (rice), barley, wheat, rye, millet (millet), millet (millet), and the like of the chaff and straw, coffee beans, tea leaves (for example, leaves such as green tea and black tea), sugar cane acids ( more specifically, squeezing sugar cane such debris), the maize compound (more specifically, the core of the corn acids), fruit peel (e.g., Ya orange peel, grapefruit peel, citrus such as mandarin orange peel skin banana peel, etc.), or alternatively, reed, can be exemplified seaweed stem is not limited to, other, for example, vascular plants vegetation on land, ferns, bryophytes, algae, seaweed it can be mentioned. Incidentally, these materials, as a raw material, may be used alone or may be used in admixture of plural kinds thereof. The shape and form of the plant-derived material is not particularly limited, for example, may be a chaff and straw itself, or may be dried products. Furthermore, it in food or drink processing, such as beer or liquor, fermentation, roasting process, also possible to use those which have been subjected to various processes of extraction treatment. In particular, from the viewpoint of achieving recycling of industrial waste, it is preferred to use straw or chaff after processing of threshing like. Straw and chaff of these post-processing, for example, agricultural cooperatives and producing an alcoholic beverage companies, food companies, from food processing company, a large amount, and can be easily obtained.
[0028]
　The raw material of the porous carbon material derived from a plant, when the material of plant origin containing silicon (Si), specifically, but not limited to, porous carbon material derived from plants, silicon (Si derived material content is 5 mass% or more) as a raw material, the content of the silicon (Si) is 5 mass% or less, preferably 3 mass% or less, and more preferably not more than 1 wt% It is desirable
[0029]
　The porous carbon material of plant origin, for example, by carbonizing the plant-derived material at 400 ° C to 1400 ° C, can be obtained by treatment with acid or alkali. Method of manufacturing such a plant-derived porous carbon material (hereinafter, sometimes simply referred to as "method for producing the porous carbon material"), the plant-derived material at 400 ° C to 1400 ° C carbon a material obtained by reduction, the material prior to the treatment with acid or alkali, referred to as "porous carbon material precursor" or "carbonaceous material".
[0030]
　The method of manufacturing a porous carbon material, after the treatment with acid or alkali, to be included the step of subjecting the activation treatment, was subjected to activation treatment, may be subjected to a treatment with acid or alkali. Further, in the method of manufacturing the porous carbon material including such a preferred form, depending on the plant-derived material used, prior to carbonization plant-derived material, the temperature for carbonization low temperature (e.g., 400 ° C ~ 700 ° C) also at the heat treatment in the plant-derived material in a state of blocking oxygen (pre-carbonizing treatment) may be performed. Thus, the results can be extracted tar components which would be generated in the course of carbonization can be reduced or eliminate tar components which would be generated in the course of carbonization. Incidentally, while blocking oxygen, for example, by an inert gas atmosphere such as nitrogen gas or argon gas, or alternatively, by a vacuum atmosphere, or alternatively, the plant-derived material as a kind of steamed state it can be achieved by. Further, in the method of manufacturing the porous carbon material, although depending on the plant-derived material to be used, in order to reduce the mineral components and water contained in the material of the plant-derived, also in the process of carbonization to prevent the off-flavor generating, the plant-derived material alcohol (e.g., methyl alcohol, ethyl alcohol, isopropyl alcohol) may be immersed in. Incidentally, in the method of manufacturing the porous carbon material, it may then be performed a pre-carbonization treatment. As is preferred the material is subjected to heat treatment in an inert gas, for example, a plant that generates a lot of wood vinegar (tar or light oil). Further, as is the preferred material is subjected to pre-treatment with an alcohol, for example, a seaweed rich in iodine and various minerals.
[0031]
　In the method for producing a porous carbon material, although carbonized plant-derived material at 400 ° C to 1400 ° C, wherein the carbonization generally organic materials (porous carbons of plant origin in the material, by heat-treating the plant-derived material) means converting the carbonaceous material (see, for example, JIS M0104-1984). As an atmosphere for carbonization, can be cited atmosphere with block oxygen, specifically, a steamed state kind vacuum, such as nitrogen gas or argon gas an inert gas atmosphere, the plant-derived material mention may be made of the atmosphere. As heating rate up to the carbonization temperature, but are not limited to, an atmosphere of, 1 ° C / min or more, preferably 3 ° C / min or more, more preferably exemplified 5 ° C / min or more be able to. Further, the upper limit of the carbonization time, 10 hours, preferably 7 hours, more preferably be mentioned 5 hours, but the embodiment is not limited thereto. The lower limit of the carbonization time may be a time when the plant-derived material can be surely carbonized. Further, the plant-derived material, it may be desired particle size by grinding if desired, may be classified. Plant-derived material may be washed beforehand. Alternatively, the resulting porous carbon material precursor or porous carbon material derived from a plant, may be as the desired particle size by grinding if desired, may be classified. Alternatively, the porous carbon material derived from a plant after the activation treatment, may be as the desired particle size by grinding if desired, may be classified. Furthermore, it may be subjected to sterilization treatment to the porous carbon material finally obtained plant-derived. Form of the furnace used for carbonization, configuration is not limited to the structure, can either be a continuous furnace, it is also possible to batch furnace and (batch furnace).
[0032]
　The method of manufacturing a porous carbon material, as described above, if Hodokose activation treatment, pore size can be increased a small micropore than 2 nm. As a method for the activation treatment, it may be mentioned the gas activation method, a chemical activation method. Here, the gas activation method, oxygen and water vapor as an activator, carbon dioxide gas, using air or the like, under a gas atmosphere of, at 700 ° C to 1400 ° C, preferably at 700 ° C to 1000 ° C , more preferably at 800 ° C to 1000 ° C, several tens of minutes to several hours, by heating the porous carbon material derived from a plant, the volatile components and carbon molecules in the porous carbon material derived from a plant fine a method to develop the structure. Incidentally, more specifically, the heating temperature is, the type of material of plant origin, based on the gas type and concentration, etc., may be appropriately selected. The chemical activation method, instead of oxygen or water vapor used in the gas activation method, zinc chloride, iron chloride, calcium phosphate, calcium hydroxide, magnesium carbonate, potassium carbonate, were activated with sulfuric acid, washed with hydrochloric acid, alkaline the pH was adjusted with an aqueous solution, a method of drying.
[0033]
　To the surface of the porous carbon material derived from a plant may be subjected to a chemical treatment or molecular modification. As chemical treatment, for example, a process of generating a carboxyl group on the surface by nitric acid treatment. Further, water vapor, oxygen, by performing the same processing as the activation treatment with an alkali or the like, hydroxyl groups on the surface of the porous carbon material derived from a plant, a carboxy group, a ketone group, an ester group, thereby generating a variety of functional groups It can also be. Furthermore, reactive hydroxyl groups and a porous carbon material derived from a plant, a carboxy group, also be chemically reacting chemical species or protein having an amino group or the like, it is possible molecular modification.
[0034]
　The method of manufacturing the porous carbon material by treatment with acid or alkali, to remove the silicon component in the plant-derived material after the carbonization. Here, as the silicon components include silicon oxide or silicon dioxide, silicon oxide such as silicon oxide salts. Thus, by removing the silicon components in the plant-derived material after carbonization, it is possible to obtain a porous carbon material derived from a plant having a high specific surface area. Sometimes, based on the dry etching method, it may be removed silicon component in the plant-derived material after the carbonization.
[0035]
　The porous carbon material of plant origin, including magnesium (Mg), potassium (K), calcium (Ca) and, phosphorus (P), and non-metallic elements such as sulfur (S), the metal elements such as transition elements it may be. 3 wt% 0.01 wt% as the content of magnesium (Mg) or less, 3 wt% 0.01 wt% as the content of potassium (K), 0.05 wt as the content of calcium (Ca) % to 3 wt% or less, 3 wt% 0.01 wt% as a content of phosphorus (P) or less, as the content of sulfur (S) can be given 3 wt% or less than 0.01 mass%. Incidentally, the content of these elements, from the viewpoint of increase in the value of specific surface area, the smaller is preferred. The porous carbon material derived from a plant may contain an element other than the elements described above, also the range of the content of the various elements described above, it is needless to say that may change.
[0036]
　In the porous carbon material derived from plants, the analysis of the various elements, for example, energy dispersive X-ray analyzer (e.g., JEOL JED-2200F manufactured by Corporation) was used, the energy dispersion method (EDS) It can be carried out. Here, the measuring conditions, for example, scanning voltage 15kV, may be the irradiation current 10 .mu.A.
[0037]
　Porous carbon material derived from a plant have many pores (pores). As pores, pore diameter "mesopores" of 2nm to 50nm is, pore size is more than 50nm "macropores" and the pore size are included is less than 2nm, "micropores". Specifically, it as mesopores, for example, contains a lot of pore diameters less than or equal to 20 nm, in particular, it contains many pore diameters less than or equal to 10 nm. Also, as a micro-pore, for example, a pore diameter of about 1.9nm pores, and pores of about 1.5 nm, contains many and pores of about 0.8 nm ~ 1 nm. In the porous carbon material derived from a plant, the pore volume by the BJH method, 0.1 cm 3 / g or more, preferably 0.2 cm 3 / g or more, more preferably 0.3 cm 3 / g or more, more preferably 0.5 cm 3 is desirably / g or more. Also the pore volume by the MP method, 0.1 cm 3 / g or more, preferably 0.2 cm 3 / g or more, more preferably 0.3 cm 3 / g or more, more preferably 0.5 cm 3 is / g or more it is desirable.
[0038]
　In the porous carbon material derived from a plant, the value of specific surface area by the nitrogen BET method (hereinafter, sometimes simply referred to as "value of specific surface area"), in order to obtain a more superior functionality, preferably 50m 2 / g or more, more preferably 100 m 2 / g or more, even more preferably 400 meters 2 is desirably / g or more.
[0039]
　The nitrogen BET method, the adsorbent (here, the porous carbon material) the adsorption isotherm was measured by nitrogen adsorption and desorption as adsorbed molecules, the measured data on the BET formula represented by the formula (1) a method for on the basis of the analysis, it is possible to calculate the basis specific surface area and pore volume, etc. in this way. Specifically, when calculating the value of specific surface area by the nitrogen BET method, firstly, by nitrogen adsorption and desorption as adsorbed molecules on the porous carbon material, obtaining the adsorption isotherm. Then, from the adsorption isotherm obtained, based on the equation (1 ') obtained by modifying the formula (1) or the formula (1) [p / {V a (p 0 calculates -p)}], the equilibrium relative pressure (the p-/ the p- 0 to plot against). Then, considers this plot a straight line, based on the least squares method, the inclination s (= [(C-1) / (C · V m )]) and the intercept i (= [1 / (C · V m )]) It is calculated. The expression from the slope s and intercept i thus obtained (2-1), based on the equation (2-2), V m is calculated, and C. Furthermore, V m from based specific surface area a in Equation (3) Sbet is calculated (Nippon Bel Co. Ltd. BELSORP-mini and BELSORP analysis software documentation, see Chapter 62, pages - 66 pages). Incidentally, the nitrogen BET method is a measurement method in accordance with JIS R 1626-1996 "Measurement method of the specific surface area by gas adsorption BET method for fine ceramics powder."
[0040]
Ｖ a＝（Ｖ m・Ｃ・ｐ）／［（ｐ 0－ｐ）｛１＋（Ｃ－１）（ｐ／ｐ 0）｝］　（１）
［ｐ／｛Ｖ a（ｐ 0－ｐ）｝］
　 ＝［（Ｃ－１）／（Ｃ・Ｖ m）］（ｐ／ｐ 0）＋［１／（Ｃ・Ｖ m）］　　（１’）
Ｖ m＝１／（ｓ＋ｉ）　　　　　　　　　　（２－１）
Ｃ ＝（ｓ／ｉ）＋１　　　　　　　　　　（２－２）
ａ sBET＝（Ｖ m・Ｌ・σ）／２２４１４　　（３）
[0041]
　However,
V a : adsorption amount
V m : adsorption amount of monomolecular layer
p: pressure upon nitrogen equilibrium
p 0 : saturated vapor pressure of nitrogen
L: Avogadro's number
sigma: adsorption cross section of nitrogen
is.
[0042]
　Pore volume V by the nitrogen BET method p when calculating, for example, the adsorption data of the adsorption isotherm obtained by linear interpolation, obtaining the adsorption amount V at a relative pressure set by a pore volume calculation relative pressure. This adsorption amount V pore volume V based on the equation (4) p can be calculated (Nippon Bel Co. Ltd. BELSORP-mini and BELSORP analysis software documentation, see Chapter 62, pages - 65 pages). In addition, the pore volume based on the nitrogen BET method, hereinafter sometimes simply referred to as "pore volume".
[0043]
Ｖ p＝（Ｖ／２２４１４）×（Ｍ g／ρ g）　　（４）
[0044]
　However,
V: adsorption amount at relative pressure
M g : molecular weight of nitrogen
[rho g : density of nitrogen
is.
[0045]
　The pore size of mesopores can, for example, based on the BJH method, can be calculated from the pore volume variation rate relative to the pore size as a distribution of pores. The BJH method is a method which is widely used as a pore distribution analysis method. If the pore distribution analysis on the basis of the BJH method, first, by nitrogen adsorption and desorption as adsorbed molecules on the porous carbon material, obtaining the desorption isotherm. Then, based on the desorption isotherm thus obtained, the pores are adsorbed molecules (e.g. nitrogen) thick adsorption layer when adsorbed molecules from the state filled is detachably stepwise by Is, and resulted in the hole It obtains an inner diameter (twice the core radius) of the pore radius r based on the equation (5) p , and calculates the pore volume based on the equation (6). The pore radius and pore diameter (2r from pore volume p pore volume variation rate relative) (dV p / dr p ) pore distribution curve is obtained by plotting the (Nippon Bel Co. Ltd. BELSORP-mini and BELSORP analysis software manual, see Section 85 pages - 88 pages).
[0046]
ｒ p＝ｔ＋ｒ k　　　　　　　　　　　　　　　　（５）
Ｖ pn＝Ｒ n・ｄＶ n－Ｒ n・ｄｔ n・ｃ・ΣＡ pj　　（６）
但し、
Ｒ n＝ｒ pn 2／（ｒ kn－１＋ｄｔ n） 2　　　　　　（７）
[0047]
　Here,
r p : pore radius
r k : pore radius r p of the pore inner wall to the core radius in the case where the adsorption layer is adsorbed thickness t at the pressure of the (inner diameter / 2)
V pn : nitrogen No. n-th pore volume when the detachable occurs in
dV n : amount of change in time
dt n : the thickness t of the adsorption layer when the n-th removable nitrogen occurs n the amount of change
r kn : at that time core radius
c: fixed value
r pn : pore radius when the n-th removable nitrogen has occurred
is. Further, .SIGMA.A pj represents an integrated value of the area of the wall surface of the pores from j = 1 to j = n-1.
[0048]
　The pore size of the micro pores, for example, based on the MP method, can be calculated from the pore volume variation rate relative to the pore size as a distribution of pores. When performing the pore distribution analysis by the MP method, firstly, by adsorbing nitrogen to the porous carbon material, obtaining the adsorption isotherm. Then, the adsorption isotherm (which t plotted) into the pore volume with respect to the thickness t of the adsorption layer. The curvature can be obtained pore distribution curve based on the (variation of pore volume with respect to the amount of change in the thickness t of the adsorption layer) (Nippon Bel Co. Ltd. BELSORP-mini and BELSORP analysis software documentation for this plot , 72nd page, second page 73, Section 82 pages).
[0049]
　Then, in the porous carbon material derived from a plant, as described above, the value of specific surface area by the nitrogen BET method is 10 m 2 / g or more, the pore volume by the BJH method 0.1 cm 3 be / g or more , pore volume by the MP method is 0.1Cm 3 is / g or more.
[0050]
　JIS Z8831-2: 2010 "pore size distribution and pore characteristics of the powder (solid) - Part 2: Determination method of mesopores and macropores by gas adsorption", and, JIS Z8831-3: 2010 "Powder body pore size distribution and pore properties of the (solid) - part 3: delocalized density functional method specified in the measurement method "of micropores by gas adsorption (NLDFT method, non localized density Functional Theory method) in the is, as the analysis software, use the software that came with the Nippon Bell Co., Ltd. auto specific surface area / pore distribution measuring apparatus "BELSORP-MAX". Assuming carbon black (CB) model as a cylinder shape as a prerequisite, the distribution function of the pore distribution parameter is "no-assumption", the obtained distribution data subjected to the smoothing 10 times.
[0051]
　Then, in the porous carbon material derived from a plant, the value of specific surface area by the nitrogen BET method is 10 m 2 / g or more, a diameter of 1 obtained by non-localized density functional theory method 10 × -9 m to 5 10 × -7 total pore volume of m is 0.1 cm 3 at / g or more. Alternatively, the value of specific surface area by the nitrogen BET method is 10 m 2 / g or more, in a pore diameter distribution obtained by non-localized density functional theory method has at least one peak in 3nm or within the range of 20 nm, the total proportion of the pore volume having a pore diameter in 3nm or within the range of 20nm is 0.2 or more volume total of the total pore.
[0052]
　Processing the porous carbon material precursor with an acid or alkali, but as a specific treatment method, for example, a method of immersing the porous carbon material precursor in an aqueous solution of acid or alkali, a porous carbon material precursor with an acid or method may be mentioned are reacted in the gas phase and alkali. More specifically, when processing by acid, as an acid, e.g., hydrogen fluoride, hydrofluoric acid, ammonium fluoride, calcium fluoride, may be mentioned a fluorine compound that shows acidity, such as sodium fluoride. When using a fluorine compound, enough. Elemental fluorine 4 times the amount of silicon element in the silicon components contained in the porous carbon material precursor, it is preferable that the concentration of the fluorine compound aqueous solution is at least 10 mass%. By hydrofluoric acid, the silicon component contained in the porous carbon material precursor (eg, silicon dioxide) when removing, silicon dioxide, and hydrofluoric acid as shown in chemical formula (A) or Formula (B) the reaction was, hexafluorosilicate (H 2 SiF 6 ) or silicon tetrafluoride (SiF 4 are removed as), it is possible to obtain a porous carbon material derived from a plant. Thereafter, washing may be performed dry.
[0053]
ＳｉＯ 2＋６ＨＦ　→　Ｈ 2ＳｉＦ 6＋２Ｈ 2Ｏ　　（Ａ）
ＳｉＯ 2＋４ＨＦ　→　ＳｉＦ 4＋２Ｈ 2Ｏ 　　　（Ｂ）
[0054]
　Also, when treating with an alkali (base), the alkali can be, for example, sodium hydroxide. When using an aqueous solution of alkali, pH of the aqueous solution may be at 11 or more. By aqueous sodium hydroxide, the silicon component contained in the porous carbon material precursor (eg, silicon dioxide) To remove, by heating the aqueous solution of sodium hydroxide, as silicon dioxide, represented by the chemical formula (C) the reaction was, sodium silicate (Na 2 SiO 3 are removed as), it is possible to obtain a porous carbon material derived from a plant. Also, when processing by reacting sodium hydroxide in a gas phase, by heating the solid sodium hydroxide, and reacted as shown in the chemical formula (C), sodium silicate (Na 2 SiO 3 are removed as) , it is possible to obtain a porous carbon material derived from a plant. Thereafter, washing may be performed dry.
[0055]
Sio 2 + 2NaOH → Na 2 see 3 + H 2 O (C)
[0056]
　Alternatively, as the porous carbon material, for example, a porous carbon material pores disclosed in JP 2010-106007 has a three-dimensional regularity (so-called porous carbon material having an inverse opal structure), specifically the, 1 × 10 -9 m to 1 × 10 -5 with a three-dimensionally arranged pores of spherical shape having an average diameter of m, a surface area of 3 × 10 2 m 2 / g or more porous carbon material, preferably, macroscopically, are voids arranged in arrangement corresponding to a crystal structure, or alternatively, macroscopically at arrangement corresponding to (111) plane orientation in a face-centered cubic structure , it is also possible to use a porous carbon material pores are arranged on the surface thereof.
[0057]
　多孔質炭素材料によって除去される物質として、総揮発性有機化合物（ＴＶＯＣ）、具体的には、プロパン、ブタン、塩化メチルといった高揮発性有機化合物（ＶＶＯＣ）；ホルムアルデヒド、アセトアルデヒド、ｄ－リモネン、トルエン、アセトン、キシレン、エタノール、２－プロパン、ヘキサノール、エチルベンゼン、スチレン、パラジクロロベンゼン、テトラデカン、クロルピリホス、フェノルカルプ、フタル酸ジ－ｎ－ブチル、フタル酸ジ－２－エチルヘキシル、ダイアジノンといった揮発性有機化合物（ＶＯＣ）；殺虫剤（ＤＤＴ，クロルデン）、可塑剤（フタル酸化合物）、難燃剤といった準揮発性有機化合物（ＳＶＯＣ）を挙げることができるし、あるいは又、水蒸気、水蒸気に同伴されたニオイ成分を挙げることができる。具体的には、法令上、特定悪臭物質として定められている、アンモニア、メチルメルカプタン、硫化水素、硫化メチル、二硫化メチル、トリメチルアミン、アセトアルデヒド、プロピオンアルデヒド、ノルマルブチルアルデヒド、イソブチルアルデヒド、ノルマルバレルアルデヒド、イソバレルアルデヒド、イソブタノール、酢酸エチル、メチルイソブチルケトン、トルエン、スチレン、キシレン、プロピオン酸、ノルマル酪酸、ノルマル吉草酸、イソ吉草酸等を挙げることができる。また、ＰＭ２．５等の浮遊粒子状物質、微粒子状物質、超微粒子、ディーゼル排気微粒子、吸入性粒子、吸入性粉塵、降下煤塵、大気エアロゾル粒子（浮遊粉塵）等を挙げることもできる。更には、その他の有害物質として、亜硫酸ガス（ＳＯ x）、亜硝酸ガス（ＮＯ x）等を挙げることもできる。
[0058]
　Alternatively, adversely affect the protein or virus in the human body (e.g., influenza virus), nicotine, quinoline, toluidine, carcinogenic substances contained in tobacco smoke (e.g., benzopyrene), dioxins (e.g., polychlorinated dibenzo para dioxin) various allergens, specifically, allergens porous, due to mite (Der p 1), or there may be mentioned allergens due to cedar pollen (Cry j 1), limited to this Absent. Here, allergens and (Allergen) refers to an antibody specifically reactive with the antigen of people who have allergies, in general, it refers to those responsible for causing the allergies, or alternatively, allergenic It refers to the substances that can be effectively. It should be noted that, as other allergens, house dust (so-called house dust of the insect body and feces, etc. of Hyoudani), Kawakuzu (dogs, pet dander of cats, etc., etc.), pollen (Alnus firma pollen, Gramineae pollen, Asteraceae pollen, etc. ), mention may be made of fungus, mildew.
Example 1
[0059]
　Example 1 relates to self-propelled air cleaner of the present disclosure. Fan in self-propelled air cleaner of Example 1, a schematic perspective view of such a first filter member and the second filter member shown in (A) of FIG. 1, a schematic, with parts cut away, of these shows a perspective view of the FIG. 1 (B), the shows a schematic perspective view seen through them in (C) of FIG. Moreover, a schematic cross-sectional view of the self-propelled air cleaner of the first embodiment shown in FIG. 2 shows a schematic view as viewed from the top in FIG. 3 is a schematic view as viewed from the top in FIG. Incidentally, in schematic cross-sectional view of FIG. 2, a schematic sectional view of the lower surface of the schematic cross-sectional view and a housing region above the arrow A-A is schematic taken along line A-A of FIG. 4 such a cross-sectional view, schematic cross-sectional view including a wheel in the area below the arrow a-a is a schematic cross-sectional view taken along line B-B in FIG. 4.
[0060]
　Air cleaner 10 of the first embodiment,
　has a top surface 21, side surfaces 22 and lower surfaces 23, air inlet 24 is provided in a central portion of the top surface 21, side surfaces 22 or the outer edge portion of the top surface 21 and side surfaces 22 (Embodiment in the example 1, specifically, the outer edge and side 22) to the exhaust port 26, 27 housing 20 which is provided on the top surface 21,
　self-propelled apparatus 30,
　disposed in the housing 20, a lower surface 23 motor 40 having an output shaft 41 parallel to the axis toward the upper surface 21,
　is disposed in the housing 20, a fan 50 which is rotated by the rotation of the output shaft 41 of the motor 40,
　is disposed in the housing 20, the motor 40 of is rotated by the rotation of the output shaft 41, the first filter member 60 is disposed on the side surface side of the housing 20 than the fan 50, and
　is disposed in the housing 20, rotation of the output shaft 41 of the motor 40 rotated by, first The second filter member 70, which is disposed on the side surface side of the housing than Iruta member 60
is provided with a.
[0061]
　In Example 1, the fan 50 (specifically, the rotational axis) rotating shaft and a parallel sirocco fan and the axis of the output shaft 41 of the motor 40. Sirocco fan is made of plastic. Specifically, the sirocco fan is mounted to the pedestal 81, the pedestal 81 is attached to the output shaft 41 of the motor 40. That is, the axis of rotation of the fan 50 is coincident with the axis of the output shaft 41 of the motor 40. It is also possible to attach the rotation shaft of the sirocco fan to an output shaft 41 of the motor 40.
[0062]
　The first filter member 60 (specifically, the rotational axis) rotating shaft consists bellows filter of the axis of the output shaft 41 of the motor 40 and parallel to the hollow cylindrical (hollow cylinder shape), second filter member 70 (specifically, the rotational axis) rotating shaft consists bellows filter the axis of the output shaft 41 of the motor 40 and parallel to the hollow cylindrical (hollow cylinder shape). The first filter member 60, the second filter member 70, made of a composite material of the support member and the porous carbon material. Specifically, the support member is composed of a nonwoven fabric, a porous carbon material is composed of a porous carbon material or activated carbon of vegetable origin, the adhesion between the porous carbon material of the support member and the support member sandwiched with agent. Bellows filter constituting the first filter member 60 and the second filter member 70 may be manufactured in a known manner. In self-propelled air cleaner 10 in the first embodiment, the fan 50, the first filter member 60 and the second filter member 70 are integrated. Specifically, as described above, the fan 50 is mounted to the pedestal 81, and further, the first filter member 60 and the second filter member 70 is attached to detachably mount 81, the pedestal 81 is a motor It is attached to the output shaft 41 of the 40. That is, the rotation axis of the first filter member 60 and the rotational axis of the second filter member 70 is coincident with the axis of the output shaft 41 of the motor 40. Rotational direction of the first filter member 60 is the same direction as the rotational direction of the second filter member 70, for example, a clockwise direction. Note that the rotation axis of the first filter member 60, the rotary shaft of the second filter member 70 may be attached to the output shaft 41 of the motor 40.
[0063]
　At the center of the lower surface 23 of the housing 20, the outer shape is provided with a second inlet 25 of the circular. On the lower surface 80C of the housing 80 facing the second air intake opening 25, the opening 85 is provided which is composed of a large number of small pores. The pedestal 81, the air entering from the opening 85, so that it can reach the first filter member 60 and the second filter member 70, holes 82 are provided. Incidentally, in FIG. 1, the illustration of the opening 85 is omitted.
[0064]
　Housing 20, and a housing (body cover) 80 for storing the housing 20 is a disk shape. The upper surface 80A of the housing 80, an opening portion 84 is provided corresponding to the intake port 24 provided in the housing 20, the side surface 80B of the housing 80, an exhaust port 26 provided in the housing 20, opening 86 and 87 are provided corresponding to the 27. These openings 84, 85, 86, 87, for example, is composed of numerous small holes provided in the housing 80. Further, on the lower surface 80C of the housing 80, the wheel 31,31B constituting the self apparatus 30 1 , 31B 2 openings 88 for are provided. In FIG. 4, the wheel 31,31B 1 , 31B 2 are not shown axle for. Top of the housing 80, the upper surface 21 of the housing 20 has a openable structure, it is possible to first filter member 60, the replacement of the second filter member 70 performs.
[0065]
　The outer shape of the air inlet 24 is circular. Is taken as 100 the area of ​​the upper surface 21 of the housing 20, the opening ratio of the inlet 24 is, for example, 115. The external shape of the first exhaust port 26 provided on the side surface 22 of the housing 20 has a similar shape to the triangular. Here, the triangle is composed of one long side and one short side and medium length of the sides, one long side and one short side is disposed generally along the blowing direction of the air there. The number of the first exhaust port 26 is, for example, a 4, when the area of ​​the side surface 22 of the housing 20 is 100, and the opening ratio of the first exhaust port 26 and 50. The outer shape of the second exhaust port 27 provided in the outer edge portion of the upper surface 21 of the housing 20 has a similar shape to the triangular. Here, the triangle is composed of two long sides and short bottom, two long sides are arranged generally along the blowing direction of the air. The number of the second exhaust port 27 is, for example, 8, when the area of ​​the upper surface 21 of the housing 20 is 100, and the opening ratio of the second exhaust port 27 and 22.
[0066]
　When the traveling direction of self-propelled air cleaner 10 and 0-degree direction with respect to the running direction from the center of the housing 20 (90 ° ± 20 °) in the region of the housing 20 within the exhaust port 26 , 27 is not provided. Further, the self-propelled air cleaner 10 in the first embodiment, the moving direction of the self is the direction opposite to the direction of rotation of the output shaft 41 of the motor 40. Specifically, when the rotational direction of the output shaft 41 of the motor 40 and clockwise, self-propelled air cleaner 10 is self-propelled in a counterclockwise direction (see FIG. 5A).
[0067]
　Housing 20, a housing (body cover) 80 and the pedestal 81 is made of plastic. Self device 30 (specifically, for example, one front wheel 31A and two rear wheels 31B 3 or more wheels 1 , 31B 2 ), and the rear wheels 31B 1 , 31B 2 gives a rotational force to the drive It means 32 (e.g., a DC motor driven by the on-board secondary battery) and a. Rear wheel 31B 1 rear wheels 31B and 2 or rotate the same direction, or rotated in the reverse direction, by or at different respective rotational speed, to control the direction of movement of self-propelled air cleaner 10 be able to. Fan 50 and first filter member 60, a motor 40 for rotating the second filter member 70 (specifically, the DC motor) known motor driven by on-board secondary battery made of. As the rotational speed of the motor 40, specifically, it can be exemplified rated load rotational speed 1600 rpm. Control of the rotation of the motor 40, the control of the self-propelled unit 30 (control of the free-running) is carried out by a control device 90 disposed inside the housing 20. The controller 90 may be the well-known configuration. The self-propelled air cleaner 10 of Example 1, various sensors, particle counter and small cameras, etc. are provided. Illustration of the secondary battery of lithium ion secondary batteries are omitted.
[0068]
　Self-propelled air cleaner 10 in the first embodiment, and, as a comparative example 1 of a conventional air cleaner stationary, was subjected to various tests. Atsumarichiriryoku (CPM of 10 minutes after the start of testing, Count Per Minute) shown in Table 1 below the results of evaluation of. Incidentally, as the value of the dust collecting force it is high, indicating that it has excellent dust collecting performance. Here is the operation at 3 watts power consumption of the "weak during operation", that at the time of strong operation is an operation of the power consumption of 40 watts. Incidentally, CPM is, JIS Z-8813: is defined in 1994.
[0069]

　　　　　　　　weak driving the strong during operation strong operation when the operating sound
Example 1 77.6 101.5 68.5dB
Example 1A 72.9 89.0 77.5dB
[0070]
　From Table 1, the self-propelled air cleaner 10 of Example 1, as compared with the air cleaner of Comparative Example 1, high dust collecting property, it can be seen that to achieve quietness. Incidentally, when the volume of the self-propelled air cleaner 10 is "1", the volume of the air cleaner of Comparative Example 1 was about "3".
[0071]
　The amount of clean air can be supplied to 1 hour (the clean air supply rate, CADR, Clean Air Delivery Rate: m 3 / hr), volume of the air cleaner (unit: m 3 ) The results obtained as a parameter Although shown in FIG. 8, as compared with Comparative example 1 of the air cleaner shown in data of "B" in FIG. 8, the self-propelled air cleaner of the first embodiment shown in data of "a" in FIG. 8 is high It shows the CADR value.
[0072]
　Incidentally, CADR is Consumer Electronics Association (AHAM) is defined, an index air purifier has represents the amount of clean air supplied per hour, was approved by the American National Standards Institute (ANSI) "ANSI / derived by the performance test method of AHAM AC-1 ". Higher CADR value is higher, the fast speed at which the air cleaner to clean the air of the room.
[0073]
　Furthermore, length × width × the corner of the room height = 4.0 (m) × 4.0 (m) × 2.2 (m), the self-propelled air cleaner 10 in the first embodiment and, floor when placing the air cleaner in Comparative example 1, floor 1.2 m, the results of examining the state of dust attenuation in three places of the ceiling shown in FIGS. 9 and 10. In the self-propelled air cleaner 10 in the first embodiment, the floor and living spaces position (floor 1.2 m), immediately understood that it is possible to perform cleaning of the air. On the other hand, in the air cleaner of Comparative Example 1, although in the ceiling can be quickly cleaned air, cleaning of the air in the bed and living spaces position (floor 1.2 m) is found to slow.
[0074]
　The self-propelled air cleaner 10 in the first embodiment, and when brought into the free-running in a counterclockwise direction along the wall of the room, when at rest in the corner of the room, the evaluation result of the dust collecting force below It is shown in Table 2. It should be noted, was the operation of the power consumption of 1.8 watts. In addition, in Table 2, "clean start before" is the value of CPM before the start of the test, "at the clean end" is the value of CPM after a lapse of 10 minutes from the start of the test. From Table 2, it can be seen that the excellent dust collecting force better when allowed to self-propelled.
[0075]

　　　　　cleaned before the start of the clean at the end of
the self-propelled 130.0 22.1
still 128.8 20.6
[0076]
　Furthermore, the movement of self-propelled air cleaner 10 is schematically shown in FIGS. 5A and 5B. In the state shown in FIG. 5A, the free-running direction of movement of the self-propelled air cleaner 10 of Example 1 (large white arrows) is the direction opposite to the direction of rotation of the output shaft 41 of the motor 40. On the other hand, in the state shown in FIG. 5B, the free-running direction of movement of the self-propelled air cleaner 10 of the embodiment 1 is the same direction as the rotational direction of the output shaft 41 of the motor 40. 5A and 5B, the direction of the exhaust air in the self-propelled air cleaner 10, shown in a small outline arrow.
[0077]
　The self-propelled air cleaner 10 in the first embodiment (see FIG. 5A) and when brought into the free-running in a counterclockwise direction along the wall of the room, and when brought into the free-running in a clockwise direction (see FIG. 5B ), when at rest in the corner of the room, the evaluation results of Atsumarichiriryoku (CPM of after 10 minutes from the start of the test) are shown in Table 3 below. The evaluation results of the dust collecting force with respect to a stationary corner of the room is a relative value when "1". From Table 3, the moving direction of the self, by the direction opposite to the direction of rotation of the output shaft 41 of the motor 40 (i.e., the first filter member 60, the moving direction of the self-rotation direction of the second filter member 70 and by in the opposite direction), the self-propelled air cleaner 10 proceeds to higher concentrations such as dust space, it can be seen that it is possible to perform an effective dust collection.
[0078]

self 1.075 counterclockwise
self clockwise 1.066
stationary 1.000
[0079]
　As described above, in the self-propelled air cleaner of Example 1, the intake port is provided in a central portion of the upper surface of the housing, the exhaust port is provided on the outer edge and side of the upper surface, the self Hashishiki results in the flow of clean air exhausted from the air cleaner includes a horizontal component, middle space of the room, it is possible to perform quickly the air cleaning in the so-called living space (replacement by clean air) . Further, it is provided with the first filter member and the second filter member, than when comprised of one filter member, it is possible to reliably clean the air. Furthermore, by the motor, it is possible but rotate the first filter member and the second filter member thus to achieve both a higher dust collecting properties and quietness. Also, the fan, since the first filter member and the second filter member are integrated, it is possible to reduce the size of the self-propelled air cleaner.
[0080]
　Has been described so far based on the preferred embodiments propelled air cleaner of the present disclosure, configuration of the self-propelled air cleaner of the present disclosure, the structure is not limited to this embodiment. Fan 50 in the modified example of the self-propelled air cleaner of Example 1, a schematic perspective view of such a first filter member 60 and the second filter member 70 shown in FIG. 6 (A), a part of these a schematic perspective view broken away shown in (B) of FIG. 6 shows a schematic perspective view seen through them in (C) of FIG. 6, the fan 50 is to the rotating shaft (specifically, rotation axis) is composed of parallel propeller fan and the axis of the output shaft 41 of the motor 40. Specifically, a propeller fan is attached to the output shaft 41 of the motor 40. Alternatively, a schematic perspective view of such a fan 50 and a second filter member 70 in a modification of the self-propelled air cleaner of Example 1 shown in (A) of FIG. 7, partially cut away of a schematic perspective view shown in FIG. 7 (B) shows a schematic perspective view seen through them in (C) of FIG. 7, may be a housing 20 and a cylindrical (cylindrical) . In FIG. 7, it is not shown in the first filter member 60. Also, the self-propelled air cleaner 10, normally moves on the floor, the self-propelled air cleaner 10 buildings (specifically, on the ceiling or wall), such as rails disposed traveling on the track section (movement) may be in the form. With this configuration, self-propelled to the air cleaner does not become a hindrance, it can be cleaned quickly the air in the upper space, such as a room or factory. Optionally, it is possible to omit one of the first filter member 60 and the second filter member 70.
[0081]
　Note that the present disclosure may also be configured as follows.
[A01] "self-propelled air cleaner"
　top, has a side surface and a lower surface, air inlet is provided in the center of the top, side, or an exhaust port to the outer edge and side of the upper surface is provided housing ,
　self apparatus,
　is disposed within the housing, a motor having a parallel output shaft axis from the bottom surface toward the top surface,
　is disposed in the housing, a fan which is rotated by the rotation of the output shaft of the motor,
　it is disposed in the housing, is rotated by the rotation of the output shaft of the motor, the first filter member disposed on the housing side surface side of the fan, and,
　disposed within the housing, it is rotated by the rotation of the output shaft of the motor, the first filter the second filter member, which is disposed on the housing side surface side of the member
self-propelled air purifier is provided with a.
[A02] The fan rotation axis (or the axis of rotation) self-propelled air cleaner according to is constituted by parallel sirocco fan and the axis of the output shaft of the motor [A01].
[A03] The fan rotation axis (or the axis of rotation) self-propelled air cleaner according to is constituted by parallel propeller fan and the axis of the output shaft of the motor [A01].
[A04] The first filter member, the rotation axis (or the axis of rotation) consists of parallel hollow cylindrical bellows filter and the axis of the output shaft of the motor [A01] or according to any one of [A03] self-propelled air cleaner.
[A05] The first filter member is self-propelled air cleaner according to made of a composite material of the support member and the porous carbon material [A04].
[A06] The second filter member, the rotation axis (or the axis of rotation) consists of parallel hollow cylindrical bellows filter and the axis of the output shaft of the motor [A01] or according to any one of [A04] self-propelled air cleaner.
[A07] The second filter member, the self-propelled air cleaner according to made of a composite material of the support member and the porous carbon material [A06].
[A08] Fans, self-propelled air cleaner according to the first filter member and the second filter member any one of [A01] to [A07] are integrated.
[A09] direction of rotation of the first filter member is the same direction as the rotational direction of the second filter member [A01] to the self-propelled air cleaner according to any one of [A08].
[A10] housing is cylindrical or disc-shaped [A01] to the self-propelled air cleaner according to any one of [A09].
[A11] When the travel direction is 0 degree direction, an exhaust port in the region of the housing in the range of the running direction from the center of the housing (90 ° ± 20 °) is not provided [A01] to self-propelled air cleaner according to any one of [A10].
[A12] a second inlet in the central portion of the lower surface of the housing is provided [A01] to the self-propelled air cleaner according to any one of [A11].
[A13] direction of movement of the self is the direction opposite to the direction of rotation of the output shaft of the motor [A01] to the self-propelled air cleaner according to any one of [A12].
[A14] has been traveling on the track section disposed building [A01] to the self-propelled air cleaner according to any one of [A13].
DESCRIPTION OF SYMBOLS
[0082]
10 ... air cleaner, 20 ... housing, the upper surface of 21 ... housing, 22 ... case side of the lower surface of 23 ... housing, 24 ... inlet, 25 ... second air inlet, 26, 27 ... exhaust port, 30 ... self apparatus, 31A, 31B 1 , 31B 2 , ... wheel, 32 ... drive unit, 40 ... motor , the output shaft 41 ... motor, 50 ... fan, 60 ... first filter member, 70 ... second filter member, 80 ... housing, 80A ... upper surface of the housing, 80B · ... side of the housing, the lower surface of the 80C ... housing, 81 ... base, 82 ... hole, 84,85,86,87,88 ... opening, 90 ... controller

WE CLAIM

Top, has a side surface and a lower surface, air inlet is provided in the center of the top, side, or housing outlet is provided on the outer edge and side of the upper surface,
　the free-running device,
　is disposed in the housing, motor with parallel output shaft to the axis extending from the lower surface to the upper surface,
　is arranged in the housing, a fan which is rotated by the rotation of the output shaft of the motor,
　are disposed in the housing, is rotated by the rotation of the output shaft of the motor, the first filter member is arranged on the housing side surface side of the fan and,,
　are disposed within the housing, is rotated by the rotation of the output shaft of the motor, it is arranged on the housing side than the first filter member the second filter member is
self-propelled air purifier is provided with a.
[Requested item 2]
　Fans, self-propelled air cleaner of claim 1, the rotary shaft is composed of parallel sirocco fan and the axis of the output shaft of the motor.
[Requested item 3]
　Fans, self-propelled air cleaner of claim 1, the rotary shaft is composed of parallel propeller fan and the axis of the output shaft of the motor.
[Requested item 4]
　The first filter member, the self-propelled air cleaner of claim 1, the rotating shaft is made from the axis parallel to the hollow cylindrical bellows filter output shaft of the motor.
[Requested item 5]
　The first filter member, the self-propelled air cleaner according to claim 4 comprising a composite material of the support member and the porous carbon material.
[Requested item 6]
　The second filter member, the self-propelled air cleaner of claim 1, the rotating shaft is made from the axis parallel to the hollow cylindrical bellows filter output shaft of the motor.
[Requested item 7]
　The second filter member, the self-propelled air cleaner of claim 6 comprising a composite material of the support member and the porous carbon material.
[Requested item 8]
　Fan, self-propelled air cleaner of claim 1, the first filter member and the second filter member are integrated.
[Requested item 9]
　Rotational direction of the first filter member is self-propelled air cleaner according to claim 1 which is the same direction as the rotational direction of the second filter member.
[Requested item 10]
　Self-propelled air cleaner of claim 1 housing a cylindrical or disc shape.
[Requested item 11]
　When the traveling direction is 0 degree direction, in the region of the housing in the range with respect to the running direction from the center of the housing (90 ° ± 20 °) of claim 1, the exhaust port is not provided self-propelled air cleaner.
[Requested item 12]
　Self-propelled air cleaner of claim 1, the second air intake opening in the central portion of the lower surface of the housing is provided.
[Requested item 13]
　Direction of movement of the self, the self-propelled air cleaner according to claim 1 is a direction opposite to the direction of rotation of the output shaft of the motor.
[Requested item 14]
　Self-propelled air cleaner according to claim 1 that travels disposed trajectory portion on the building.