CN111550893A - Based on CO2Positive pressure fan ventilation device with concentration control function and using method thereof - Google Patents
Based on CO2Positive pressure fan ventilation device with concentration control function and using method thereof Download PDFInfo
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- CN111550893A CN111550893A CN202010231093.4A CN202010231093A CN111550893A CN 111550893 A CN111550893 A CN 111550893A CN 202010231093 A CN202010231093 A CN 202010231093A CN 111550893 A CN111550893 A CN 111550893A
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- fan
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- pressure fan
- air
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- 238000009423 ventilation Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 9
- 230000026676 system process Effects 0.000 claims description 4
- 238000011278 co-treatment Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003570 air Substances 0.000 description 36
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 231100000597 Sick building syndrome Toxicity 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 208000008842 sick building syndrome Diseases 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- 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
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- 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
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- 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
-
- 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
Abstract
The invention discloses a method based on CO2Concentration control's intelligent positive pressure fan ventilation unit, including casing, vortex system, fan system, filtration system and protection system, around flow system, fan system and filtration system all set up in the casing, vortex system is including disturbing aerofoil and spoiler, and the fan system is the malleation windThe positive pressure fan is arranged between the air disturbing plate and the spoiler, and a protection system is arranged behind the spoiler. The device is a positive pressure ventilation system, supplies air to the indoor through the outdoor, is provided with a streaming system, particularly comprises a front step spoiler and a preposed air deflector, and the front step spoiler has a good rectification effect; meanwhile, the air deflector is arranged at the front end of the fan, and the design can effectively adjust the wind direction of the fan.
Description
Technical Field
The invention relates to the field of ventilation equipment, in particular to a ventilation equipment based on CO2An intelligent positive pressure fan ventilation device for concentration control and a use method thereof.
Background
People spend most of the time indoors regardless of learning, working and resting, and the problems of sick building syndrome (sBS) and the like are increasingly highlighted. With the improvement of living standard, people pay more and more attention to the quality of indoor ambient air. At present, manual windowing for natural ventilation is the main way to improve the indoor air quality. However, in haze weather, fine Particulate Matter (PM) in the outdoors2.5) The air enters the room through the window, and the pollution of the indoor air is aggravated. PM can be removed by air purifier2.5And indoor pollutants such as formaldehyde, but most household air purifiers do not have the ventilation function and can not effectively improve the indoor air quality. In addition, when the indoor air conditioner is operated, if the windowing natural ventilation is not performed, the indoor air quality is still deteriorated, and if the windowing natural ventilation is performed, the energy consumption is increased. The ventilator can realize ventilation function, and part of the ventilator is provided with a filter screen to remove indoor PM2.5However, such mechanical ventilation systems are mainly used in large commercial buildings and partial villas, and are relatively expensive, complex to install, and not suitable for common civil buildings and the like.
Through research on a material based on CO2Concentration control's intelligent positive pressure fan ventilation unit realizes indoor outer air exchange to improve indoor air quality, to improving human health, promote the life quality and have the significance.
Disclosure of Invention
The invention aims to provide an intelligent positive pressure fan ventilation device and method based on CO2 concentration control, and solves one or more of the problems in the prior art.
The invention provides a catalyst based on CO2Concentration control's intelligent positive pressure fan ventilation unit, including casing, vortex system, fan system, filtration system and protection system, around the flow system, fan system and filtration system all set up in the casing, the vortex system is including disturbing aerofoil and spoiler, the fan system is positive pressure fan, positive pressure fan locates disturb between aerofoil and the spoiler, be equipped with protection system behind the spoiler
The device is a positive pressure ventilation system and supplies air to the room through the outside. The device is provided with a flow surrounding system, and particularly comprises a front step spoiler and a preposed air deflector. Experimental researches show that the forward steps have a good rectifying effect, and the device is provided with the protective cover and the filter layer, so that the problem of wind resistance is inevitably caused; meanwhile, the air deflector is arranged at the front end of the fan, and the design can effectively adjust the wind direction of the fan.
In some embodiments, the housing is a frame, the spoiler system, the fan system, the filtering system and the protection system are all adapted to be installed in the housing, the spoiler is installed at the port of the housing, and the spoiler includes a plurality of air deflectors.
In some embodiments, the spoiler is an air step spoiler, the air step spoiler includes a spoiler frame and two step portions provided in the spoiler frame, the two step portions are provided on an inner wall of the spoiler frame, and the two step portions are provided in parallel.
In some embodiments, the filtration system is a HEPA filter screen.
A detection system comprising the ventilation device, CO, as claimed in claim 1 to 42Sensor, wireless communication module, microprocessor and high in the clouds server.
In some embodiments, the CO2The number of the sensors is not less than three, CO2The arrangement positions of the sensors are a detection point center position, a detection point edge position and CO2A source of release of said CO2The sensor is connected with the microprocessor, the microprocessor is connected with the cloud server through the wireless communication module, and the microprocessor is connected with the ventilation device.
CO according to claims 1 to 62Method for using positive pressure fan ventilation device with concentration control, wherein CO is passed2CO at the periphery of the sensor pair2Detecting the concentration, and sending detected data to a cloud server through a control end; in the cloud server, the system processes data by adopting a moving average algorithm, divides the data into different grades, and sends an instruction downwards to control the rotating speed of the fan, wherein the rotating speed of the fan is realized by PWM.
In some embodiments, the system operates as follows:
by CO2The sensor carries out CO treatment on at least three points in the room2Detection by CO2The sensor transmits signals to the positive pressure fan system, the signals are uploaded to the cloud server, data processing is carried out at the cloud, air quality of a room is detected, the signals are sent out to control the fan to operate in multiple gears, and CO is used for controlling the fan to operate after operation2The sensor detects the air quality in the room.
In some embodiments, the air volume of the fan is divided into three types, namely a low gear, a medium gear and a high gear, and a standby state.
Drawings
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is an exploded view of the assembly of the present invention;
FIG. 3 shows that the present invention is based on CO2The overall control flow chart of (1);
FIG. 4 is a schematic view of the control system of the present invention;
FIG. 5 is a schematic diagram of the control circuit of the present invention;
FIG. 6 is an overall dimensional view of the present invention;
fig. 7 is a schematic view of the installation position of the present invention.
In the figure, 1 is a turbulence system, 11 is a turbulence plate, 12 is a front step turbulence generator, 2 is a fan system, 4 is a filter system, 5 is a protection system, and 6 is a shell.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the device has compact structure and reasonable arrangement of all parts of the device.
As shown in fig. 6, is an overall size of the device, which is a cuboid of 120x120x220 mm.
As shown in fig. 7, it is an installation diagram of the device, and the installation is convenient, and the device can be embedded into a wall.
In this embodiment, the cross section diameter is 160mm, and length 261mm, simple to operate, embedding wall body can. In addition to this, other dimensions are possible.
As shown in fig. 2, a CO-based2Concentration control's intelligent positive pressure fan ventilation unit, including casing 6, vortex system 1, fan system 2, filtration system 4 and protection system 5, around flow system 1, fan system 2 and filtration system 4 all set up in casing 6, vortex system 1 is including disturbing aerofoil 11 and spoiler 12, fan system 2 is positive pressure fan, positive pressure fan installs between disturbing aerofoil 11 and spoiler 12, be provided with protection system 5 behind spoiler 12, protection system 5 is the protection casing.
The device supplies air to the indoor through the outdoor environment, so that foreign matters are inevitably brought into the system in actual use, and the occurrence of similar events can be effectively prevented by arranging the protective cover.
The device is a positive pressure ventilation system and supplies air to the room through the outside. The device is provided with a flow surrounding system, and particularly comprises a front step spoiler and a preposed air deflector. Experimental researches show that the forward steps have a good rectifying effect, and the device is provided with the protective cover and the filter layer, so that the problem of wind resistance is inevitably caused; meanwhile, the air deflector is arranged at the front end of the fan, and the design can effectively adjust the wind direction of the fan.
The casing 6 is the box body form, and the equal adaptation of vortex system 1, fan system 2, filtration system 4 and protection system 5 is installed in casing 6, and the aerofoil 11 is installed in 6 ports of casing, and the aerofoil 11 includes a plurality of aviation baffles, and the aviation baffle can play fine water conservancy diversion effect to can effectually adjust the wind direction of fan.
The spoiler 12 is an air step spoiler, the air step spoiler comprises a spoiler frame and two step parts arranged in the spoiler frame, the two step parts are respectively arranged on the inner wall of the spoiler frame and are arranged in parallel, and the step parts are arranged in a cambered surface manner facing the wind flow; the front step has a good rectifying effect, the device is provided with the protective cover and the filter layer, which inevitably causes the problem of wind resistance, and the front step spoiler is arranged at the front end of the filter layer to rectify incoming flow and increase the energy utilization efficiency of the fan
The filtration system is the filter screen of HEPA material.
As shown in fig. 3, the apparatus and the peripheral CO2The sensors constitute a system, passing CO2CO at the periphery of the sensor pair2And detecting the concentration, and sending detected data to the cloud end through the control end. At the cloud end, the system processes data by adopting a moving average algorithm, divides the data into different grades, and sends an instruction downwards to control the rotating speed of the fan, wherein the rotating speed of the fan is realized by PWM.
Specifically, the system sampling frequency is once per second, the data is temporarily recorded in a buffer, after 3 seconds of data are recorded, the average value of the data of the first 3 seconds is taken as the current display control data, then the system clears the data of the first second and records the data of 1 second, then the existing 3 recorded data in the buffer are averaged, and the like, and the whole system is refreshed and cleared after 10 minutes of recording.
The invention converts CO into2The concentration data were classified into 4 classes, clean air (500-700ppm), relatively clean air (700-800ppm), and relatively dirty (800-1200ppm), with the concentration data being more than 1200 ppm.
When the air is clean, the device is in standby; when the air is clean, the device is maintained in a small air volume state (50m 3/h); when the device is dirty, the device is maintained in a medium air volume state (100m 3/h); when the device is dirty, the device is maintained in a high air volume state (120m 3/h). The device adopts a real-time control strategy and responds timely.
By CO2CO at the periphery of the sensor pair2Detecting the concentration, and sending detected data to a cloud server through a control end; in the cloud server, the system processes data by adopting a moving average algorithm, divides the data into different grades, and sends an instruction downwards to control the rotating speed of the fan, wherein the rotating speed of the fan is realized by PWM.
The operation steps of the system are as follows:
by CO2The sensor carries out CO treatment on at least three points in the room2Detection by CO2The sensor transmits signals to the positive pressure fan system, the signals are uploaded to the cloud server, data processing is carried out at the cloud, air quality of a room is detected, the signals are sent out to control the fan to operate in multiple gears, and CO is used for controlling the fan to operate after operation2The sensor detects the air quality in the room.
The air quantity of the fan is divided into three types of low gear, medium gear and high gear, and the fan is in a standby state.
As shown in FIG. 4, a detection system comprises a ventilation device and a CO2Sensor, wireless communication module, microprocessor and high in the clouds server.
CO2The number of the sensors is not less than three, CO2The arrangement positions of the sensors are a detection point center position, a detection point edge position and CO2Releasing source of CO2The sensor is connected with the microprocessorThe processor is connected to the cloud server through the wireless communication module, and the microprocessor is connected with the ventilation device.
Because the device is a micro-ventilation system, the ventilation brings heat load and CO2The distribution is inhomogeneous etc. from energy-conserving angle, and this device is a little ventilation system, and the amount of wind of fan is little amount of wind state under conventional operating mode promptly. In order to improve the purification efficiency, the device is suitable for being installed away from CO2The source is near to achieve the purpose of rapid purification.
As shown in fig. 5, the control circuit design of the present apparatus is shown. The hardware circuit design of the indoor air quality detection device of the system comprises a minimum system circuit of an STM32 single chip microcomputer, a power supply circuit and a peripheral sensor circuit. The minimum system of the single chip microcomputer is composed of a clock circuit, a reset circuit, a power circuit and a peripheral expansion circuit. Peripheral expansion to 3 COs2Sensor and 1 wireless communication module.
The foregoing is only a preferred form of the invention and it should be noted that numerous similar variations and modifications could be made by those skilled in the art without departing from the inventive concept herein, which shall be considered to be within the scope of the appended claims.
Claims (9)
1. Based on CO2Concentration control's intelligent positive pressure fan ventilation unit, its characterized in that, including casing, vortex system, fan system, filtration system and protection system, around flow system, fan system and filtration system all set up in the casing, vortex system is including disturbing aerofoil and spoiler, the fan system is the positive pressure fan, positive pressure fan locates disturb between aerofoil and the spoiler, be equipped with protection system behind the spoiler.
2. A CO-based composition according to claim 12Concentration control's intelligent positive pressure fan ventilation unit, its characterized in that, the casing is the box form, vortex system, fan system, filtration system and protection system equal adaptation install in the casingThe air disturbing plate is arranged at the port of the shell and comprises a plurality of air deflectors.
3. A CO-based composition according to claim 22The intelligent positive pressure fan ventilation device with concentration control is characterized in that the spoiler is an air step spoiler, the air step spoiler comprises a spoiler frame body and step parts arranged in the spoiler frame body, the number of the step parts is two, the step parts are respectively arranged on the inner wall of the spoiler frame body, and the two step parts are arranged in parallel.
4. A CO-based composition according to claim 22Concentration control's intelligent positive pressure fan ventilation unit, its characterized in that, filtration system is the filter screen of HEPA material.
5. A detection system comprising the ventilation device, CO, as claimed in claim 1 to 42Sensor, wireless communication module, microprocessor and cloud server, CO2The number of sensors is several, and CO2The sensor is connected with the microprocessor through signals, the microprocessor controls the ventilation device to be opened and closed, the microprocessor is connected with the wireless communication module, and the wireless communication module sends information to the cloud server.
6. A detection system according to claim 5, wherein the CO is2The number of the sensors is not less than three, CO2The arrangement positions of the sensors are at least set as a detection point center position, a detection point edge position and CO2A source of release of said CO2The sensor is connected with the microprocessor, the microprocessor is connected with the cloud server through the wireless communication module, and the microprocessor is connected with the ventilation device.
7. CO according to claims 1 to 62Method for using positive pressure fan ventilation device with concentration control, wherein CO is passed2CO at the periphery of the sensor pair2Detecting the concentration, and sending detected data to a cloud server through a control end; in the cloud server, the system processes data by adopting a moving average algorithm, divides the data into different grades, and sends an instruction downwards to control the rotating speed of the fan, wherein the rotating speed of the fan is realized by PWM.
8. CO-based according to claim 72The use method of the positive pressure fan ventilation device for concentration control comprises the following operation steps:
by CO2The sensor carries out CO treatment on at least three points in the room2Detection by CO2The sensor transmits signals to the positive pressure fan system, the signals are uploaded to the cloud server, data processing is carried out at the cloud, air quality of a room is detected, the signals are sent out to control the fan to operate in multiple gears, and CO is used for controlling the fan to operate after operation2The sensor detects the air quality in the room.
9. CO-based according to claim 82The use method of the positive pressure fan ventilation device with concentration control comprises the steps that the air volume of the fan is divided into a low gear, a medium gear and a high gear, and the fan is in a standby state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231093.4A CN111550893A (en) | 2020-03-27 | 2020-03-27 | Based on CO2Positive pressure fan ventilation device with concentration control function and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231093.4A CN111550893A (en) | 2020-03-27 | 2020-03-27 | Based on CO2Positive pressure fan ventilation device with concentration control function and using method thereof |
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| CN111550893A true CN111550893A (en) | 2020-08-18 |
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| CN202010231093.4A Pending CN111550893A (en) | 2020-03-27 | 2020-03-27 | Based on CO2Positive pressure fan ventilation device with concentration control function and using method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203771574U (en) * | 2014-03-24 | 2014-08-13 | 必宜（天津）科技有限公司 | Ventilation and purification device |
| CN204421212U (en) * | 2015-01-07 | 2015-06-24 | 王功军 | A kind of domestic air conditioning that automatically can regulate resh air requirement |
| CN106016603A (en) * | 2016-05-25 | 2016-10-12 | 上海熙鼎信息科技有限公司 | Intelligent fresh air system and intelligent control system |
| CN108019825A (en) * | 2016-11-02 | 2018-05-11 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN108592335A (en) * | 2018-04-27 | 2018-09-28 | 广东美的制冷设备有限公司 | Inletting fresh air control method, air conditioner and the readable storage medium storing program for executing of air conditioner |
| CN110186176A (en) * | 2019-06-21 | 2019-08-30 | 天津商业大学 | A kind of household fresh air supplies |
| KR102056255B1 (en) * | 2018-08-10 | 2019-12-16 | 롯데건설 주식회사 | Air Supply System with Cleaning Function of Interior Air |
-
2020
- 2020-03-27 CN CN202010231093.4A patent/CN111550893A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203771574U (en) * | 2014-03-24 | 2014-08-13 | 必宜（天津）科技有限公司 | Ventilation and purification device |
| CN204421212U (en) * | 2015-01-07 | 2015-06-24 | 王功军 | A kind of domestic air conditioning that automatically can regulate resh air requirement |
| CN106016603A (en) * | 2016-05-25 | 2016-10-12 | 上海熙鼎信息科技有限公司 | Intelligent fresh air system and intelligent control system |
| CN108019825A (en) * | 2016-11-02 | 2018-05-11 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN108592335A (en) * | 2018-04-27 | 2018-09-28 | 广东美的制冷设备有限公司 | Inletting fresh air control method, air conditioner and the readable storage medium storing program for executing of air conditioner |
| KR102056255B1 (en) * | 2018-08-10 | 2019-12-16 | 롯데건설 주식회사 | Air Supply System with Cleaning Function of Interior Air |
| CN110186176A (en) * | 2019-06-21 | 2019-08-30 | 天津商业大学 | A kind of household fresh air supplies |
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Application publication date: 20200818 |
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