[1]The present invention relates to a battery pack and a power storage device including the battery module, it.[2]This application claims priority to an application on the Korea Patent Application No. 10-2017-0096343, filed as 07 28th, 2017, all contents disclosed in the specification and drawings of that application are incorporated in this application by reference.BACKGROUND[3]High application ease according to the product line, the electric vehicle driven by a secondary battery, an electrical drive source, as well as a portable device having an electrical characteristic, such as high energy density (EV, Electric Vehicle) or a hybrid vehicle (HEV, Hybrid Electric Vehicle) or the like It has been applied universally. These rechargeable batteries are not only the primary advantage of being able to reduce the use of fossil fuels dramatically attracting attention as a new energy source for environmentally friendly and energy efficiency in that the by-products of the use of energy does not occur at all.
[4]
Type of secondary battery is now widely used, there are lithium ion batteries, lithium polymer batteries, nickel cadmium batteries, nickel hydrogen batteries, nickel zinc batteries. Operating voltage of this unit secondary battery cells, that is, the unit battery cell is about 2.5V ~ 4.6V. Thus, more than if the required high output voltage by connecting a plurality of battery cells in series and also configure the battery pack. In addition, the parallel connection of a plurality of battery cells in accordance with the charge-discharge capacity required for the battery pack, and also configure the battery pack. Therefore, the number of battery cells included in the battery pack may be variously set according to the output voltage required, or charge-discharge capacity.[5]On the other hand, if you want to configure the battery pack by connecting a plurality of battery cells in series / parallel, and at least one of the battery cells constituting the formed battery module first, and this at least one of the battery pack is added to the other components using a battery module this is a general method to configure. Here, the battery cells constituting the battery module or the battery pack are generally easily provided to the pouch type secondary battery having the advantage of being able to cross-stacked.[6]A conventional battery module, and is usually connected to the cross-laminate a plurality of electrode lead of the battery cell that is provided with a sensing assembly for sensing the voltage of the battery cell. The sensing assembly is generally comprised of a housing structure is formed from a structure that covers a portion of the electrode lead of the battery cells are projected.[7]However, when the conventional sensing assembly, the overall size of the battery cell, etc. Due to this single housing structure increases the number of battery cells, which are mutually laminated according to the capacity variable of the battery module or battery pack, or shrink changed, the changed size there is a suitable housing issues that need to be redesigned.Detailed Description of the InventionSUMMARY[8]Therefore, a battery module that is an object of the present invention includes a sensing assembly that has a simple, easily scalable, to provide a battery pack and a power storage device including the same.Problem solving means[9]
In order to solve the above object, the present invention provides a battery module, a plurality of battery cells that lead electrode is projected, and cross-stacked; And is mounted on at least one side of the plurality of battery cells, the electrode leads of the at least one sensing assembly for electrically connecting; includes the at least one sensing assembly, the electrode lead and the sensed bus electrically connected to bar; And said sensing bus bar is mounted to the front, sikimyeo pass through the electrode leads toward the sensing bus bar, a plurality of sensing housing parts which can be assembled mutually detached; provides a battery module comprising: a.
[10]The plurality of housing parts are sensed, may be provided to correspond to the number of the battery cells.
[11]The plurality of housing parts are sensed, fitted with cross-block binding form may be assembled.
[12]
The plurality of sensing the housing part, and may have a mutually corresponding embossed protrusions and concave grooves.
[13]
The embossed protrusions and concave grooves, may be at least one of circular, rectangular, trapezoidal and elliptical shapes.
[14]
In the rear of the plurality of sensing housing parts, at least one flow preventing ribs for preventing the flow of said battery cell; a can be formed.
[15]
The sensing assembly includes a temperature sensor that is provided between the bus bar and sensing the plurality of sensing housing parts; may include.
[16]
The plurality of sensing the housing part, the sensor attachment grooves capable of mounting the temperature sensor in accordance with the mutual assembly; may form a.
[17]
The present invention provides a battery pack, comprising: at least one battery module according to the above embodiment; And a pack case for packaging the at least one battery module, and provides a battery pack comprising: a.
[18]
In addition, the present invention provides a electric power storage apparatus, comprising: at least one battery pack according to the above embodiment; provides a power storage device comprising a.
Effects of the Invention
[19]
According to various embodiments as described above, it is possible to easily and provide a battery pack and a power storage device including the battery module, which comprises a sensing assembly with easy extensibility.
Brief Description of the Drawings
[20]
Intended to illustrate the following figures attached to the specification are exemplary of the invention, the components which serve to further understand the spirit of the invention and together with the description of which will be described later invention, the details of this invention is described in such figures be construed as limited only is not.
[21]
1 is a view illustrating a battery module according to an embodiment of the present invention.
[22]
Figure 2 is an exploded perspective view of the battery module of Figure 1;
[23]
3 is an exploded perspective view of the sensing assembly of the battery module of Figure 2;
[24]
4 is an exploded perspective view of a sensing part housing a sensing assembly of Figure 3;
[25]
5 is a view for explaining the assembled form of the sensing part of the housing FIG.
[26]
Figure 6 is a view illustrating a battery pack according to an embodiment of the present invention.
Mode for the Invention
[27]
The invention will be more apparent by describing in detail a preferred embodiment of the present invention with reference to the accompanying drawings. Embodiment described herein examples are illustrative as shown for better understanding of the invention, the invention is to be understood that the same may be practiced with different embodiments and various modifications described herein. Further, the appended drawings are not illustrated to scale it can be shown to be the dimensions of some of the components exaggerated for a better understanding of the invention.
[28]
1 is a view illustrating a battery module according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the battery module of Figure 1, Figure 3 is also an exploded perspective view of the sensing assembly of the battery module of Figure 2, Fig. 4 is an exploded perspective view of a sensing part housing a sensing assembly of Figure 3, Figure 5 is a view for explaining an assembled form of the sensing part of the housing FIG.
[29]
Referring to Figure 1 to Figure 5, the battery module 10 and may include a battery cell 100, a module case 200 and the sensing assembly 300.
[30]
The battery cell 100, and a secondary battery can be provided to the pouch type secondary battery. The battery cell 100 can be provided with multiple pieces, it may be laminated able to be connected to each other electrically.
[31]
The plurality of battery cells 100, respectively, the electrode assembly, a battery case for accommodating the electrode assembly and protruding outside the battery case may include a electrode lead (105) of the pair being connected to the electrode assembly .
[32]
The module case 200 can accommodate the plurality of battery cells (100). The above module case 200 may be formed of first and second cases can be mutually coupled covering the plurality of battery cells (100).
[33]
The sensing assembly 300 has both sides of the at least one side, in this embodiment, the plurality of battery cells 100 in the plurality of battery cells 100 serves to sense a voltage of the plurality of battery cells (100) respectively, it may be mounted on.
[34]
This sensing assembly 300 includes an electrode lead (105) electrically connected to and sensing the bus bar 310, the sensing housing part 330 and the temperature sensor 350 of the plurality of battery cells (100) can do.
[35]
Sensing the bus bar 310 may be coupled via the electrode leads 105 and the weld joint, etc. able to be connected to the electrode leads 105 and the electrical effort of the plurality of battery cells (100).
[36]
The sensing housing part 330 may be mounted various components such as configuring the sensing assembly 300, including the housing to act, and the sensing bus bar 310 of the sensing assembly 300, a plural number, is provided may each cover both sides of the battery cells 100. By way of example, the front surface of the plurality of sensing the housing part 330 can be equipped with a sensing bus bar 310.
[37]
Those of the plurality of sensing the housing part 330 can sikimyeo pass through the electrode leads 105 of the battery cells 100 in the side of the sensing bus bar 310, covering both sides of the battery cells 100 have.
[38]
The plurality of sensing the housing part 330 can be provided gekkeum being possibly detachable mutual assembly. Specifically, the plurality of sensing the housing part 330 can be assembled by mutually fitted block bonding type.
[39]
Those of the plurality of sensing the housing part 330 can be provided to correspond to the number of the battery cells 100. Specifically, the plurality of the sensing part of the housing 330 may be to cover the both sides of the battery cells 100, each having two per one battery cell 100. Accordingly, the number of the plurality of sensing parts of the housing 330 may be provided with two multiple of the number of the battery cells 100.
[40]
The plurality of sensing the housing part 330, respectively, may include a lid slot 331, the embossed protrusions 333, concave groove 335, the flow prevention rib 337 and the sensor mounting recess (339) .
[41]
It said lid slot 331 may be provided in the middle of the housing of the sensing part 330, passing through the electrode leads 105 of the battery cell 100 in a front housing of the sensing part 330. The The electrode leads 105 may be coupled so be connected after passing through the lid slot 331 to electrically sensing the bus bar 310.
[42]
The embossed projection 333 and the concave groove 335 is, as for the block coupled between the plurality of sensing the housing part 330, which are mutually compatible in a mounting direction of said plurality of sensing housing parts 330 It may be provided at a position.
[43]
Such the embossed projection 333 and the concave groove 335, may be formed of a circular, rectangular, trapezoidal, and elliptical shape of the at least one of the shape. This is not limited, it may be also made in any other shape that enables the cross-block binding.
[44]
The flow prevention rib 337 serves to prevent the flow of the plurality of battery cells 100 in the projecting direction of the electrode lead (105) of the plurality of battery cells 100, the sensing housing part (330 ) it may be formed on the back side.
[45]
The said flow prevention rib 337 may support the battery cell 100 is disposed opposite across the said lid slot 331, disposed behind the lid slot 331.
[46]
The sensor attachment grooves 339 provide for mounting of the temperature sensor 350 to be described later, it may be formed by mutual assembly between the sensing part which faces the housing 330.
[47]
The temperature sensor 350 may be mounted to the insertion, the sensor mounting recess (339) serves to measure the temperature of the plurality of battery cells (100).
[48]
Thus, in this embodiment, it can be implemented through the battery cells, a plurality of sensing a housing part having a structure which are mutually detachably assembling the housing structure of the sensing assembly 300 to cover 100 (330).
[49]
Accordingly, in this embodiment, the request depending on the capacity and the overall size to be even if the number of the battery cells 100 of the battery module 10 is different, the number of the battery cells 100, without the need for a new housing structure design gekkeum being corresponding to only by controlling the number of said sensing housing parts, which are mutually assembly 330 may implement a housing of the sensing assembly 300.
[50]
Therefore, in this embodiment, through the housing of the sensing part 330 in which the mutual assembly may implement the sensing assembly 300 with a separate new housing structure in a simple and easily scalable without.
[51]
Accordingly, the battery module 10 according to this embodiment can increase the efficiency of the assembly process of the sensing assembly 300 significantly.
[52]
Figure 6 is a view illustrating a battery pack according to an embodiment of the present invention.
[53]
6, the battery pack 1, there can be provided an assembly of a plurality of battery modules (10). The battery pack is, although not shown in (1) may further include a pack case for packaging a plurality of battery modules (10).
[54]
The above-mentioned battery pack 1 can be equipped with an energy source such as a power storage device to be used in automotive, household or industrial environments, such as electric vehicle, hybrid vehicle.
[55]
Thus, the battery modules 10, the time to prepare pieces plurality to configure the battery pack 1, in this embodiment, the battery module, the number of the sensing housing parts that can be assembled each other removable 330 written by gekkeum being provided corresponding to the number of battery cells (10), it is possible to construct the sensing assembly 300.
[56]
As such, the sensing assembly 300 in accordance with the present embodiment when the capacity expansion of the battery cells, such as those that make up the battery pack 1, a separate sensing assembly 300 is assembled to enable the desorption instead redesigned accordingly by increasing the number of the possible sensing housing part 330 may implement the sensing assembly (300) for the expanded capacity.
[57]
In other words, even in this embodiment, the battery pack 1 has a greater capacity and the overall size than that of the battery module 10 via the sensing housing part 330 arrangement, the battery pack, such as a conventional ( 1) does the redesign of the sensing assembly which corresponds to the total size is not required of.
[58]
Accordingly, in the present embodiment, it is possible with the battery cells 100 to implement the sensing assembly 300 with the battery module 10 and the battery pack 1 when configured, a simple, easily scalable.
[59]
In accordance with various embodiments as described above, it is possible to easily and provides a battery pack 1 and the power storage device including the battery module 10, it comprises a sensing assembly 300 having an easy scalability.
[60]
And later, although shown and described with respect to preferred embodiments of the invention, the invention is not limited to the embodiments of the described, conventional in the art the art without departing from the subject matter of the present invention invention claimed in the claims It is capable of many variations performed by a person having knowledge of course, and this modified embodiment, will be not dwaeseo individually understood from the technical spirit or prospect of the present invention.

WE CLAIMS

[Claim 1]In the battery module, a plurality of battery cells that lead electrode is projected, and cross-stacked; And is mounted on at least one side of the plurality of battery cells, the electrode leads of the at least one sensing assembly for electrically connecting; includes the at least one sensing assembly, the electrode lead and the sensed bus electrically connected to bar; And said sensing bus bar is mounted to the front, sikimyeo pass through the electrode leads toward the sensing bus bar, a plurality of sensing housing parts which can be assembled mutually detached; battery module comprising: a.
[Claim 2]
The method of claim 1, wherein the plurality of sensing housing parts are, the battery module being provided to correspond to the number of the battery cells.
[Claim 3]
The method of claim 2, wherein the plurality of sensing housing parts are, inter block battery module characterized in that the aligned assembly fitted into a combined form.
[Claim 4]
4. The method of claim 3 wherein the plurality of sensing housing parts are, mutually corresponding projections and embossed battery module characterized in that it has a concave groove.
[Claim 5]
The method of claim 4, wherein the embossing protrusions and the concave groove, circular, rectangular, trapezoidal, and the battery module, characterized in that at least one of an oval shape.
[Claim 6]
The method of claim 1, wherein in the rear of the plurality of sensing housing parts, at least one flow preventing ribs for preventing the flow of said battery cell; characterized in that the battery module is formed.
[Claim 7]
The method of claim 1, wherein the sensing assembly is a temperature sensor that is provided between the bus bar and sensing the plurality of sensing housing parts; battery module comprising: a.
[Claim 8]
The method of claim 7, wherein the plurality of sensing the housing part, the sensor attachment grooves capable of mounting the temperature sensor in accordance with the mutual assembly; battery module so as to form a.
[Claim 9]
At least one battery module according to claim 1; And a pack case for packaging the at least one battery module, the battery pack comprising: a.
[Claim 10]
At least one battery pack according to claim 9; power storage device comprising a