Description:BACKGROUND
Field of Invention
[001] Embodiments of the present invention generally relate to fans and particularly to a system and method for controlling air velocity of fans in non-air-conditioned rooms.
Description of Related Art
[002] Air velocity, temperature, relative humidity and cleanliness are four important parameters for indoor air quality and human conform as per Heating Ventilation and Air Conditioning (HVAC) fundamentals. In non-air-conditioned rooms, where ceiling or table fans are used, there is an issue with the air velocity for human comfort. The velocity of air is directly proportional to a speed of a motor and the human comfort in the non-air-conditioned rooms depends on a rate of removal of sweat from human skin and saturation due to water vapor in the air. Fans throw air as per selector switch of fan speed, irrespective of the human comfort. Traditionally, the fans are controlled manually by using a switch having five to six speed levels or electronic variable speed regulator. To overcome the manual work, various automated systems have been developed.
[003] Conventionally, available systems are connected with internet facilities for automation and control the air velocity of the fans based on time schedule. However, such systems are not feasible in remote areas as in an absence of internet connectivity, the existing systems can cause a problem.
[004] There is thus a need for an advanced and more effective system and method for controlling the air velocity of the fans that can administer the drawbacks faced by the conventional systems.

SUMMARY
[005] Embodiments in accordance with the present invention provide a system for controlling air velocity of fans in non-air-conditioned rooms. The system comprising: a humidity nano sensor to sense a relative humidity on a head of a user. The system further comprising: a control unit configured to: receive the sensed relative humidity from the humidity nano sensor, compare the sensed relative humidity with a pre-defined level of humidity; enable a fan speed controller to increase the air velocity of the fan when the sensed relative humidity exceeds the pre-defined level of humidity; and enable the fan speed controller to decrease the air velocity of the fan when the sensed relative humidity is less than the pre-defined level of humidity.
[006] Embodiments in accordance with the present invention further provide a method for controlling air velocity of fans in non-air-conditioned rooms. The method comprising steps of: receiving a sensed relative humidity from a humidity nano sensor; comparing the sensed relative humidity with a pre-defined level of humidity; enabling a fan speed controller to increase the air velocity of the fan when the sensed relative humidity exceeds the pre-defined level of humidity; and enabling the fan speed controller to decrease the air velocity of the fan when the sensed relative humidity is less than the pre-defined level of humidity.
[007] Embodiments of the present invention may provide a number of advantages depending on its particular configuration. First, embodiments of the present application may provide a system for controlling air velocity of fans.
[008] Next, embodiments of the present invention may provide a system that controls air velocity in non-air-conditioned rooms for comfort of humans based on relative humidity in air.
[009] Next, embodiments of the present invention may provide a system that controls air velocity in non-air-conditioned rooms to control moisture evaporation from skin of a user.
[0010] These and other advantages will be apparent from the present application of the embodiments described herein.
[0011] The preceding is a simplified summary to provide an understanding of some embodiments of the present invention. This summary is neither an extensive nor exhaustive overview of the present invention and its various embodiments. The summary presents selected concepts of the embodiments of the present invention in a simplified form as an introduction to the more detailed description presented below. As will be appreciated, other embodiments of the present invention are possible utilizing, alone or in combination, one or more of the features set forth above or described in detail below.
BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The above and still further features and advantages of embodiments of the present invention will become apparent upon consideration of the following detailed description of embodiments thereof, especially when taken in conjunction with the accompanying drawings, and wherein:
[0013] FIG. 1 illustrates a block diagram depicting a system for controlling air velocity of fans, according to an embodiment of the present invention;
[0014] FIG. 2 illustrates components of a control unit of the system, according to an embodiment of the present invention; and
[0015] FIG. 3 depicts a flowchart of a method for controlling the air velocity of the fans by using the system, according to an embodiment of the present invention.
[0016] The headings used herein are for organizational purposes only and are not meant to be used to limit the scope of the description or the claims. As used throughout this application, the word "may" is used in a permissive sense (i.e., meaning having the potential to), rather than the mandatory sense (i.e., meaning must). Similarly, the words “include”, “including”, and “includes” mean including but not limited to. To facilitate understanding, like reference numerals have been used, where possible, to designate like elements common to the figures. Optional portions of the figures may be illustrated using dashed or dotted lines, unless the context of usage indicates otherwise.
DETAILED DESCRIPTION
[0017] The following description includes the preferred best mode of one embodiment of the present invention. It will be clear from this description of the invention that the invention is not limited to these illustrated embodiments but that the invention also includes a variety of modifications and embodiments thereto. Therefore, the present description should be seen as illustrative and not limiting. While the invention is susceptible to various modifications and alternative constructions, it should be understood, that there is no intention to limit the invention to the specific form disclosed, but, on the contrary, the invention is to cover all modifications, alternative constructions, and equivalents falling within the scope of the invention as defined in the claims.
[0018] In any embodiment described herein, the open-ended terms "comprising", "comprises”, and the like (which are synonymous with "including", "having”, and "characterized by") may be replaced by the respective partially closed phrases "consisting essentially of", “consists essentially of", and the like or the respective closed phrases "consisting of", "consists of”, the like.
[0019] As used herein, the singular forms “a”, “an”, and “the” designate both the singular and the plural, unless expressly stated to designate the singular only.
[0020] FIG. 1 illustrates a block diagram depicting a system 100 for controlling air velocity of fans 108 (hereinafter collectively referred to as the fans 108 and individually referred to as the fan 108), according to an embodiment of the present invention. According to embodiments of the present invention, the system 100 may be configured to automatically control a speed of the fans 108 in non-air-conditioned rooms. In an embodiment of the present invention, the system 100 may be configured to control the speed of the fans 108 based on weather-based parameters such as, but not limited to, a temperature, and so forth. In a preferred embodiment of the present invention, the weather-based parameters may be humidity. Embodiments of the present invention are intended to include or otherwise cover any type of the weather-based parameters.
[0021] In an embodiment of the present invention, the system 100 may comprise a humidity nano sensor 102, a control unit 104, a fan speed controller 106, and the fan 108. The humidity nano sensor 102, and the control unit 104 may be connected to each other through a network 110.
[0022] According to an embodiment of the present invention, the network 110 may include a data network such as, but not limited to, the Internet, a Local Area Network (LAN), a Wide Area Network (WAN), a Metropolitan Area Network (MAN), and so forth. In some embodiments of the present invention, the network 110 may include a wireless network, such as, but not limited to, a cellular network and may employ various technologies including an Enhanced Data Rates for Global Evolution (EDGE), a General Packet Radio Service (GPRS), and so forth. According to an embodiment of the present invention, the humidity nano sensor 102, and the control unit 104 may be configured to communicate with each other by one or more communication mediums connected to the network 110. The communication mediums may include, but not limited to, a coaxial cable, a copper wire, a fiber optic, a wire that comprise a system bus coupled to a processor of a computing device, and so forth. Embodiments of the present invention are intended to include or otherwise cover any type of the communication mediums, including known, related art, and/or later developed technologies.
[0023] The humidity nano sensor 102 may be attached to a mobile device 112, in an embodiment of the present invention. The humidity nano sensor 102 may be configured to sense a relative humidity near the user, in an embodiment of the present invention. In a preferred embodiment of the present invention, the humidity nano sensor 102 may be configured to sense the relative humidity on a head of the user. The humidity nano sensor 102 may be configured to transmit the sensed relative humidity to the control unit 104, in an embodiment of the present invention. The humidity nano sensor 102 may be, but not limited to, an optical hygrometer, an oscillating hygrometer, and so forth. Embodiments of the present invention are intended to include or otherwise cover any type of the humidity nano sensor 102, including known, related art, and/or later developed technologies.
[0024] The control unit 104 may be adapted to use suitable logic, instructions, circuitry, interfaces, and/or codes stored in a memory for executing various operations, such as receiving the sensed relative humidity, and controlling the air velocity of the fan 108 accordingly. The control unit 104 may be configured to perform operations associated with the system 100 by communicating commands and/or instructions. The control unit 104 may be configured to perform the operations associated with the system 100 to generate an output. The control unit 104 may be, but not limited to, a microprocessor, a development board, and so forth. In a preferred embodiment of the present invention, the control unit 104 may be an Arduino control board. Embodiments of the present invention are intended to include or otherwise cover any type of the control unit 104 including known, related art, and/or later developed technologies. Further, components of the control unit 104 may be explained in conjunction with FIG.2.
[0025] Further, the memory may be configured to store the suitable logic, the instructions, the circuitry, the interfaces, and/or the codes. The memory may be, but not limited to, a non-volatile memory, a volatile memory, an optical disk, a magnetic disk, a Random-Access Memory (RAM), a Read-Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a FLASH-EEPROM, and so forth. Embodiments of the present disclosure are intended to include or otherwise cover any type of the memory including known, related art, and/or later developed technologies.
[0026] The fan speed controller 106 may be adapted to change a level of power in a motor of the fan 108 based on the output generated by the control unit 104, in an embodiment of the present invention. The fan speed controller 106 may be adapted to the change the level of power in the motor of the fan 108 to control the air velocity of the fan 108, in an embodiment of the present invention. In an embodiment of the present invention, the fan speed controller 106 may be a variable fan speed controller that may be adapted to adjust the air velocity of the fan 108 between 0% to 100%.
[0027] In an exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 100% when the sensed relative humidity is 95% to 100%. In another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 95% when the sensed relative humidity is 90% to 94.99%. In yet another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 90% when the sensed relative humidity is 85% to 89.99%. In another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 85% when the sensed relative humidity is 80% to 84.99%.
[0028] In yet another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 80% when the sensed relative humidity is 75% to 79.99%. In another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 75% when the sensed relative humidity is 70% to 74.99%. In yet another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 70% when the sensed relative humidity is 65% to 69.99%. In another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 65% when the sensed relative humidity is 60% to 64.99%.
[0029] In yet another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 60% when the sensed relative humidity is 55% to 59.99%. In another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 55% when the sensed relative humidity is 50% to 54.99%. In yet another exemplary embodiment of the present invention, the fan speed controller 106 may be configured to adjust the air velocity of the fan 108 to 50% when the sensed relative humidity is 45% to 49.99%.
[0030] Further, the fan 108 may be installed in the non-air-conditioned rooms, to provide air to the surrounding area, in an embodiment of the present invention. In an embodiment of the present invention, the fan 108 may be operated at a pre-defined speed based on the output generated by the control unit 104. The fan 108 may be, but not limited to, a ceiling fan, a table fan, and so forth. Embodiments of the present invention are intended to include or otherwise cover any type of the fan 108, including known, related art, and/or later developed technologies.
[0031] In an embodiment of the present invention, the mobile device 112 may be, but not limited to, a personal computer, a consumer device, and alike. Embodiments of the present invention are intended to include or otherwise cover any type of the mobile device 112 including known, related art, and/or later developed technologies. In an embodiment of the present invention, the personal computer may be, but not limited to, a desktop, a server, a laptop, and alike. Embodiments of the present invention are intended to include or otherwise cover any type of the personal computer including known, related art, and/or later developed technologies.
[0032] Further, in an embodiment of the present invention, the consumer device may be, but not limited to, a tablet, a mobile phone, a notebook, a netbook, a smartphone, a wearable device, and so forth. Embodiments of the present invention are intended to include or otherwise cover any type of the consumer device including known, related art, and/or later developed technologies.
[0033] FIG. 2 illustrates the components of the control unit 104 of the system 100, according to an embodiment of the present invention. The components may be, a data receiving module 200, a comparison module 202, a fan control module 204.
[0034] The data receiving module 200 may be configured to receive the sensed relative humidity from the humidity nano sensor 102, in an embodiment of the present invention. The data receiving module 200 may be configured to transmit the sensed relative humidity to the comparison module 202, in an embodiment of the present invention.
[0035] In an embodiment of the present invention, the comparison module 202 may be configured to compare the sensed relative humidity obtained from the humidity nano sensor 102 with a pre-defined level of humidity. In an embodiment of the present invention, if the comparison module 202 determines that the sensed relative humidity obtained from the corresponding humidity nano sensor 102 exceeds the pre-defined level of humidity, then the comparison module 202 may be configured to generate a high-speed signal. The comparison module 202 may be configured to transmit the generated high-speed signal to the fan control module 204.
[0036] In another embodiment of the present invention, if the comparison module 202 determines that the sensed relative humidity obtained from the humidity nano sensor 102 is less the pre-defined level of humidity, then the comparison module 202 may be configured to generate a low-speed signal. The comparison module 202 may be configured to transmit the generated low-speed signal to the fan control module 204.
[0037] In yet another embodiment of the present invention, the comparison module 202 may be configured to enable the data receiving module 200 to continue receiving the sensed relative humidity from the humidity nano sensor 102, when the sensed relative humidity obtained from the humidity nano sensor 102 is equal to the pre-defined level of humidity.
[0038] In an embodiment of the present invention, the fan control module 204 may be configured to enable the fan speed controller 106 to increase the air velocity of the fan 108 based on the received high speed signal.
[0039] In another embodiment of the present invention, the fan control module 204 may be configured to enable the fan speed controller 106 to decrease the air velocity of the fan 108 based on the received high speed signal.
[0040] FIG. 3 depicts a flowchart of a method 300 for controlling the air velocity of the fan 108 by using the system 100, according to an embodiment of the present invention.
[0041] At step 302, the system 100 may receive the sensed relative humidity from the humidity nano sensor 102.
[0042] At step 304, the system 100 may compare the sensed relative humidity obtained from the humidity nano sensor 102 with the pre-defined level of humidity. The method 300 may proceed to a step 306, when the sensed relative humidity obtained from the corresponding humidity nano sensor 102 is not equal to the pre-defined level of humidity. Otherwise, the method 300 may return to the step 302.
[0043] At the step 306, the system 100 may check if the sensed relative humidity obtained from the humidity nano sensor 102 is greater than the pre-defined level of humidity. The method 300 may proceed to a step 308, when the sensed relative humidity obtained from the humidity nano sensor 102 is greater than the pre-defined level of humidity. Otherwise, the method 300 may proceed to a step 310, when the sensed relative humidity obtained from the humidity nano sensor 102 is less than the pre-defined level of humidity.
[0044] At the step 308, the system 100 may enable the fan speed controller 106 to increase the air velocity of the fan 108.
[0045] At the step 310, the system 100 may enable the fan speed controller 106 to decrease the air velocity of the fan 108.
[0046] Embodiments of the invention are described above with reference to block diagrams and schematic illustrations of methods and systems according to embodiments of the invention. While the invention has been described in connection with what is presently considered to be the most practical and various embodiments, it is to be understood that the invention is not to be limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims.
[0047] This written description uses examples to disclose the invention, including the best mode, and also to enable any person skilled in the art to practice the invention, including making and using any devices or systems and performing any incorporated methods. The patentable scope the invention is defined in the claims, and may include other examples that occur to those skilled in the art. Such other examples are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements within substantial differences from the literal languages of the claims. , Claims:CLAIMS
I/We Claim:
1. A system (100) for controlling air velocity of fans (108) in non-air-conditioned rooms, the system (100) comprising:
a humidity nano sensor (102) to sense a relative humidity on a head of a user; and
a control unit (104) connected to the humidity nano sensor (102), wherein the control unit (104) is configured to:
receive the sensed relative humidity from the humidity nano sensor (102);
compare the sensed relative humidity with a pre-defined level of humidity;
enable a fan speed controller (106) to increase the air velocity of the fan (108) when the sensed relative humidity exceeds the pre-defined level of humidity; and
enable the fan speed controller (106) to decrease the air velocity of the fan (108) when the sensed relative humidity is less than the pre-defined level of humidity.
2. The system (100) as claimed in claim 1, wherein the humidity nano sensor (102) is attached to a mobile device (112).
3. The system (100) as claimed in claim 1, wherein the control unit (104) is connected to the humidity nano sensor (102) through a network (110).
4. The system (100) as claimed in claim 3, wherein the network (110) is a wireless network.
5. The system (100) as claimed in claim 1, wherein the fan speed controller (106) is a variable fan speed controller capable to adjust the air velocity of the fan (108) between 0% to 100%.
6. The system (100) as claimed in claim 1, wherein the control unit (104) is an Arduino control board.
7. A method for controlling air velocity of fans (108) in non-air-conditioned rooms, wherein the method comprising steps of:
receiving a sensed relative humidity from a humidity nano sensor (102);
comparing the sensed relative humidity with a pre-defined level of humidity;
enabling a fan speed controller (106) to increase the air velocity of the fan (108) when the sensed relative humidity exceeds the pre-defined level of humidity; and
enabling the fan speed controller (106) to decrease the air velocity of the fan (108) when the sensed relative humidity is less than the pre-defined level of humidity.
8. The method as claimed in claim 7, wherein the humidity nano sensor (102) is attached to a mobile device (112).
9. The method as claimed in claim 7, wherein the fan speed controller (106) is a variable fan speed controller.
10. The method as claimed in claim 9, wherein the fan speed controller (106) is capable to adjust the air velocity of the fan (108) between 0% to 100%.
Date: May 02, 2023
Place: Noida

Nainsi Rastogi
Patent Agent (IN/PA-2372)
Agent for the Applicant