CN113531787A - Fan control system and fan control method - Google Patents
Fan control system and fan control method Download PDFInfo
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- CN113531787A CN113531787A CN202110824682.8A CN202110824682A CN113531787A CN 113531787 A CN113531787 A CN 113531787A CN 202110824682 A CN202110824682 A CN 202110824682A CN 113531787 A CN113531787 A CN 113531787A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000011156 evaluation Methods 0.000 claims abstract description 49
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 40
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a fan control system, which comprises: power supply circuit, information acquisition module, fan control module and fan. The information acquisition module is in communication connection with the fan control module, and the fan control module is electrically connected with the fan. The information acquisition module comprises a sensor assembly, a key circuit, a first micro control unit, a data display unit and a first communication unit, wherein the output ends of the sensor assembly and the key circuit are electrically connected with the input end of the first micro control unit. The sensor assembly comprises a PM2.5 concentration sensor and a carbon dioxide concentration sensor, and the PM2.5 concentration sensor and the carbon dioxide concentration sensor are electrically connected with the first micro control unit. According to the fan control system and the fan control method, multiple air quality parameters of the indoor and outdoor are collected through the sensor assembly, so that an indoor air quality fuzzy comprehensive evaluation report is generated, and the fan control module is enabled to control the operation mode of the fan.
Description
Technical Field
The invention relates to the technical field of control, in particular to a fan control system and a fan control method.
Background
In recent years, the national advocates energy-concerving and environment-protective life theory vigorously, impels energy saving and emission reduction, and the seal performance of modern building promotes gradually, and outdoor air pollution is serious, and traditional windowing takes a breath not only can not bring clean air for indoor, can bring noise and dust that can not block on the contrary, to introducing multiple pollution indoor, aggravate indoor pollution degree, threaten the health of people. The fan can be used as a ventilation device and can only be called up indoors.
However, most of the existing fan control systems are used for adjusting indoor temperature and humidity, and cannot dynamically adjust the operation mode of the fan according to complicated indoor and outdoor air quality conditions.
Disclosure of Invention
Therefore, it is necessary to provide a fan control system and a fan control method for solving the technical problem that the conventional fan control system cannot adjust the operation mode of the fan according to the air quality condition.
A fan control system comprises a power circuit, an information acquisition module, a fan control module and a fan. The information acquisition module is in communication connection with the fan control module, the fan control module is electrically connected with the fan, and the information acquisition module and the fan control module are electrically connected with the power circuit.
The information acquisition module comprises a sensor assembly, a key circuit, a first micro control unit, a data display unit and a first communication unit, wherein the output ends of the power circuit, the sensor assembly and the key circuit are electrically connected with the input end of the first micro control unit, and the output end of the first micro control unit is electrically connected with the input end of the data display unit and the input end of the first communication unit respectively.
The sensor assembly comprises a PM2.5 concentration sensor, a carbon dioxide concentration sensor and a temperature and humidity sensor, and the PM2.5 concentration sensor, the carbon dioxide concentration sensor and the temperature and humidity sensor are all electrically connected with a first micro control unit.
In one embodiment, the fan control module includes a second micro control unit, a second communication unit, an alarm circuit, and a motor control circuit, wherein output terminals of the second communication unit and the power supply circuit are electrically connected to an input terminal of the second micro control unit, an output terminal of the second micro control unit is electrically connected to an input terminal of the alarm circuit and an input terminal of the motor control circuit, and the fan is electrically connected to an output terminal of the motor control circuit.
A fan control method adopts the fan control system, and in this embodiment, the fan control method includes the following steps:
s0, dividing the indoor air quality into four grade standards according to indoor air quality standards, and establishing an evaluation standard set of { first grade, second grade, third grade, fourth grade } = { clean, light pollution, moderate pollution, heavy pollution };
s1, starting a power circuit to switch on a power supply, so as to supply power to the information acquisition module, the fan control module and the fan;
s2, detecting outdoor PM2.5 concentration, indoor carbon dioxide concentration and indoor temperature and humidity by the sensor assembly, and respectively transmitting outdoor PM2.5 concentration data, indoor carbon dioxide concentration data and indoor temperature and humidity data to the data display unit and the first micro control unit;
s3, forming indoor air quality fuzzy comprehensive evaluation by the first micro control unit according to outdoor PM2.5 concentration data, indoor carbon dioxide concentration data and indoor temperature and humidity data, judging the weight of PM2.5 and carbon dioxide concentration, generating an air quality fuzzy comprehensive evaluation report, and transmitting the evaluation report to the second communication unit through the first communication unit, wherein when the outdoor PM2.5 concentration weight is high, the step S4 is skipped, and when the outdoor PM2.5 concentration weight is low, the step S5 is skipped;
s4, the second micro control unit controls the circulating air return valve of the fan to be opened, and judges a fuzzy comprehensive evaluation result according to the evaluation report received by the second communication unit, and then the step S6 is skipped;
s5, the second control unit controls the air inlet valve of the fan to be opened, and judges the fuzzy comprehensive evaluation result according to the evaluation report received by the second communication unit, and then the step S6 is skipped;
s6, when the evaluation result is the primary standard, the fan is turned off, and the step S2 is skipped, otherwise, the step S7 is skipped;
s7, when the evaluation result is a secondary standard, the second micro control unit controls the fan to run at a low speed, and the step S2 is skipped, otherwise, the step S8 is skipped;
s8, when the evaluation result is a three-level standard, the second micro control unit controls the fan to operate at a medium speed, and the step S2 is skipped to, otherwise, the step S9 is skipped to;
and S9, when the evaluation result is a three-level standard, the second micro control unit controls the fan to operate at a medium speed, and the step S2 is skipped, otherwise, the fan is fed back to the second micro control unit, and the second micro control unit controls the alarm circuit to give an alarm.
In one embodiment, the first-level standard includes a carbon dioxide concentration of 600ppm or less and a PM2.5 concentration of 75ug/m or less3。
In one embodiment, the second level standard includes a carbon dioxide concentration of 1000ppm or less and a PM2.5 concentration of 115ug/m or less3。
In one embodiment, the three-level standard includes a carbon dioxide concentration of 1600ppm or less and a PM2.5 concentration of 150ug/m or less3。
In one embodiment, the four-level standard comprises a carbon dioxide concentration of 2000ppm or less and a PM2.5 concentration of 200ug/m or less3。
According to the fan control system and the fan control method, multiple air quality parameters are collected indoors and outdoors through the sensor assembly, the first micro control unit is used for calculating to generate an air quality fuzzy comprehensive evaluation report, and the second micro control unit is used for controlling the operation mode of the fan according to the air quality fuzzy comprehensive evaluation report. The sensor assembly comprises a PM2.5 concentration sensor, a carbon dioxide concentration sensor and a temperature and humidity sensor, so that outdoor PM2.5 concentration, indoor carbon dioxide concentration and indoor temperature and humidity are detected respectively, and the fan is adjusted by taking the PM2.5 concentration and the carbon dioxide concentration as main parameters.
Drawings
FIG. 1 is a schematic diagram of a fan control system according to one embodiment;
FIG. 2 is a flow chart illustrating a method for controlling a fan according to an embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1, the present invention discloses a fan control system, which includes a power circuit 1, an information collecting module 2, a fan control module 3, and a fan 4. Wherein, information acquisition module 2 and fan control module 3 communication connection, fan control module 3 is connected with fan 4 electricity, and information acquisition module 2 and fan control module 3 equal electric connection power supply circuit 1. In actual operation, the power circuit 1 provides a stable power supply for the information acquisition module 2 and the fan control module 3, the information acquisition module 2 acquires and calculates indoor air quality parameters so as to obtain an indoor air quality fuzzy comprehensive evaluation report, and the fan control module 3 judges according to the evaluation report to further control the operation mode of the fan 4.
The information acquisition module 2 comprises a sensor component 21, a key circuit 22, a first micro control unit 23, a data display unit 24 and a first communication unit 25, wherein the output ends of the power circuit 1, the sensor component 21 and the key circuit 22 are electrically connected with the input end of the first micro control unit 23, the sensor component 21 detects and acquires indoor air quality parameters, and an operator can manually operate and control the information acquisition module 2 through the case circuit; the output end of the first micro control unit 23 is electrically connected with the input end of the data display unit 24 and the input end of the first communication unit 25 respectively, the air quality data of the first control unit is analyzed and calculated, so that an indoor air quality fuzzy comprehensive evaluation report is obtained, the air quality data is transmitted to the data display unit 24 and fed back to an operator, and the evaluation report is transmitted to the fan control module 3 through the first communication unit 25.
In the present embodiment, the sensor assembly 21 includes a PM2.5 concentration sensor 211, a carbon dioxide concentration sensor 212, and a temperature and humidity sensor 213, and the PM2.5 concentration sensor 211, the carbon dioxide concentration sensor 212, and the temperature and humidity sensor 213 are all electrically connected to the first micro control unit 23. In actual operation, the PM2.5 concentration sensor 211 is used for detecting the PM2.5 concentration in the outdoor air, and the carbon dioxide concentration sensor 212 and the temperature and humidity sensor 213 respectively detect the carbon dioxide concentration and the temperature and humidity in the indoor air, so as to obtain the indoor air quality data, and transmit the indoor air quality data to the first micro control unit 23.
The fan control module 3 comprises a second micro control unit 31, a second communication unit 32, an alarm circuit 33 and a motor control circuit 34. The input end of the second communication unit 32 is electrically connected with the output end of the first communication unit 25, so that an indoor air quality fuzzy comprehensive evaluation report generated by the information acquisition module 2 can be received, the output ends of the second communication unit 32 and the power circuit 1 are electrically connected with the input end of the second micro control unit 31, the output end of the second micro control unit 31 is electrically connected with the input end of the alarm circuit 33 and the input end of the motor control circuit 34, and the fan 4 is electrically connected with the output end of the motor control circuit 34. In actual operation, the second micro control unit 31 performs judgment according to the evaluation report, obtains a fuzzy comprehensive evaluation result, further controls the operation mode of the fan 4 through the motor control circuit 34, and controls the alarm circuit 33 to give an alarm when the fuzzy comprehensive evaluation result exceeds the upper limit of the air quality pollution degree.
Referring to fig. 2, a method for controlling a fan 4, where the fan 4 control method adopts the above fan control system, in this embodiment, the method includes the following steps:
s0, according to the indoor air quality standard, dividing the indoor air quality into four grade standards, and establishing an evaluation standard set of = { primary, secondary, tertiary and quaternary } = { clean, light pollution, moderate pollution and heavy pollution }, wherein in one embodiment, the primary standard comprises that the concentration of carbon dioxide is less than or equal to 600ppm, and the concentration of PM2.5 is less than or equal to 75ug/m3(ii) a The second grade standard comprises carbon dioxide concentration of 1000ppm or less and PM2.5 concentration of 115ug/m or less3(ii) a The third level standard comprises carbon dioxide concentration less than or equal to 1600ppm, and PM2.5 concentration less than or equal to 150ug/m3(ii) a The four-level standard comprises carbon dioxide concentration less than or equal to 2000ppm and PM2.5 concentration less than or equal to 200ug/m3；
S1, turning on the power circuit 1 to switch on the power supply, so as to supply power to the information acquisition module 2, the fan control module 3 and the fan 4;
s2, the sensor module 21 detects the outdoor PM2.5 concentration, the indoor carbon dioxide concentration and the indoor temperature and humidity, and transmits the outdoor PM2.5 concentration data, the indoor carbon dioxide concentration data and the indoor temperature and humidity data to the data display unit 24 and the first micro control unit 23, respectively;
s3, the first micro control unit 23 forms indoor air quality fuzzy comprehensive evaluation according to outdoor PM2.5 concentration data, indoor carbon dioxide concentration data and indoor temperature and humidity data, judges the weight of PM2.5 and carbon dioxide concentration, generates an air quality fuzzy comprehensive evaluation report, and transmits the evaluation report to the second communication unit 32 through the first communication unit 25, wherein when the outdoor PM2.5 concentration weight is high, the step S4 is skipped, and when the outdoor PM2.5 concentration weight is low, the step S5 is skipped;
s4, the second micro control unit 31 controls the circulation return air valve of the fan 4 to be opened, and judges the fuzzy comprehensive evaluation result according to the evaluation report received by the second communication unit 32, and then the step S6 is skipped;
s5, the second control unit controls the air inlet valve of the fan 4 to be opened, and judges the fuzzy comprehensive evaluation result according to the evaluation report received by the second communication unit 32, and then the step S6 is skipped;
s6, when the evaluation result is the primary standard, the fan 4 is turned off, and the step S2 is skipped, otherwise, the step S7 is skipped;
s7, when the evaluation result is the secondary standard, the second micro control unit 31 controls the fan 4 to run at a low speed, and the step is shifted to S2, otherwise, the step is shifted to S8;
s8, when the evaluation result is the three-level standard, the second micro control unit 31 controls the fan 4 to operate at a medium speed, and the step S2 is skipped to, otherwise, the step S9 is skipped to;
and S9, when the evaluation result is the three-level standard, the second micro control unit 31 controls the fan 4 to operate at a medium speed, and the step is skipped to S2, otherwise, the fan is fed back to the second micro control unit 31, and the second micro control unit 31 controls the alarm circuit 33 to give an alarm.
In summary, the fan control system and the fan control method disclosed by the invention collect a plurality of indoor and outdoor air quality parameters through the sensor assembly, and calculate the air quality fuzzy comprehensive evaluation report through the first micro control unit, and the second micro control unit controls the operation mode of the fan according to the air quality fuzzy comprehensive evaluation report. The sensor assembly comprises a PM2.5 concentration sensor, a carbon dioxide concentration sensor and a temperature and humidity sensor, so that outdoor PM2.5 concentration, indoor carbon dioxide concentration and indoor temperature and humidity are detected respectively, and the fan is adjusted by taking the PM2.5 concentration and the carbon dioxide concentration as main parameters.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A fan control system, comprising: the system comprises a power circuit, an information acquisition module, a fan control module and a fan; the information acquisition module is in communication connection with the fan control module, the fan control module is electrically connected with the fan, and the information acquisition module and the fan control module are both electrically connected with the power circuit;
the information acquisition module comprises a sensor component, a key circuit, a first micro control unit, a data display unit and a first communication unit, wherein the output ends of the power circuit, the sensor component and the key circuit are electrically connected with the input end of the first micro control unit, and the output end of the first micro control unit is respectively electrically connected with the input end of the data display unit and the input end of the first communication unit;
the sensor assembly comprises a PM2.5 concentration sensor, a carbon dioxide concentration sensor and a temperature and humidity sensor, wherein the PM2.5 concentration sensor, the carbon dioxide concentration sensor and the temperature and humidity sensor are electrically connected with the first micro control unit.
2. The fan control system according to claim 1, wherein the fan control module comprises a second micro control unit, a second communication unit, an alarm circuit, and a motor control circuit, wherein the output terminals of the second communication unit and the power supply circuit are electrically connected to the input terminal of the second micro control unit, the output terminal of the second micro control unit is electrically connected to the input terminal of the alarm circuit and the input terminal of the motor control circuit, and the fan is electrically connected to the output terminal of the motor control circuit.
3. A fan control method, characterized in that the fan monitoring system of any one of claims 1 to 2 is adopted, which includes the steps of:
s0, dividing the indoor air quality into four grade standards according to indoor air quality standards, and establishing an evaluation standard set of { first grade, second grade, third grade, fourth grade } = { clean, light pollution, moderate pollution, heavy pollution };
s1, turning on the power circuit to switch on the power supply, so as to supply power to the information acquisition module, the fan control module and the fan;
s2, detecting outdoor PM2.5 concentration, indoor carbon dioxide concentration and indoor temperature and humidity by the sensor assembly, and respectively transmitting outdoor PM2.5 concentration data, indoor carbon dioxide concentration data and indoor temperature and humidity data to the data display unit and the first micro control unit;
s3, the first micro control unit forms indoor air quality fuzzy comprehensive evaluation according to outdoor PM2.5 concentration data, indoor carbon dioxide concentration data and indoor temperature and humidity data, judges the weight of PM2.5 and carbon dioxide concentration, generates an air quality fuzzy comprehensive evaluation report, and transmits the evaluation report to the second communication unit through the first communication unit, wherein when the PM2.5 concentration weight is high, the step S4 is skipped, and when the PM2.5 concentration weight is low, the step S5 is skipped;
s4, the second micro control unit controls a circulating air return valve of the fan to be opened, and judges a fuzzy comprehensive evaluation result according to the evaluation report received by the second communication unit, and then the step S6 is skipped;
s5, the second control unit controls an air inlet valve of the fan to be opened, and judges a fuzzy comprehensive evaluation result according to the evaluation report received by the second communication unit, and then the step S6 is skipped;
s6, when the evaluation result is a primary standard, the fan is turned off, and the step S2 is skipped, otherwise, the step S7 is skipped;
s7, when the evaluation result is a secondary standard, the second micro control unit controls the fan to run at a low speed, and the step S2 is skipped, otherwise, the step S8 is skipped;
s8, when the evaluation result is a three-level standard, the second micro control unit controls the fan to operate at a medium speed, and the step S2 is skipped to, otherwise, the step S9 is skipped to;
and S9, when the evaluation result is a three-level standard, the second micro control unit controls the fan to operate at a medium speed, and the step S2 is skipped, otherwise, the fan is fed back to the second micro control unit, and the second micro control unit controls the alarm circuit to give an alarm.
4. The fan control system of claim 3, wherein the primary standard comprises a carbon dioxide concentration of less than or equal to 600ppm and a PM2.5 concentration of less than or equal to 75ug/m3。
5. The fan control system of claim 3, wherein the secondary standards comprise a carbon dioxide concentration of 1000ppm or less and a PM2.5 concentration of 115ug/m or less3。
6. The fan control system of claim 3, wherein the three levels of criteria comprise a carbon dioxide concentration of 1600ppm or less and a PM2.5 concentration of 150ug/m or less3。
7. The fan control system of claim 3, wherein the four-level criteria comprises a carbon dioxide concentration of 2000ppm or less and a PM2.5 concentration of 200ug/m or less3。
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| CN202110824682.8A CN113531787A (en) | 2021-07-21 | 2021-07-21 | Fan control system and fan control method |
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| CN202110824682.8A CN113531787A (en) | 2021-07-21 | 2021-07-21 | Fan control system and fan control method |
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| CN206695325U (en) * | 2017-04-12 | 2017-12-01 | 深圳达实智能股份有限公司 | A kind of hospital air quality integrated monitoring apparatus |
| CN108006881A (en) * | 2017-12-01 | 2018-05-08 | 北京新风到家科技有限公司 | A kind of new fan intelligent operation method |
| CN110873380A (en) * | 2019-12-04 | 2020-03-10 | 江苏中科睿赛污染控制工程有限公司 | Dual-purification-mode fresh air intelligent control system and method |
| CN212806002U (en) * | 2020-09-11 | 2021-03-26 | 苏州的卢禾光网络科技有限公司 | Fresh air machine control system |
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2021
- 2021-07-21 CN CN202110824682.8A patent/CN113531787A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206695325U (en) * | 2017-04-12 | 2017-12-01 | 深圳达实智能股份有限公司 | A kind of hospital air quality integrated monitoring apparatus |
| CN108006881A (en) * | 2017-12-01 | 2018-05-08 | 北京新风到家科技有限公司 | A kind of new fan intelligent operation method |
| CN110873380A (en) * | 2019-12-04 | 2020-03-10 | 江苏中科睿赛污染控制工程有限公司 | Dual-purification-mode fresh air intelligent control system and method |
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Application publication date: 20211022 |