CN111550897A - Fresh air system with dynamic combined air purification module - Google Patents
Fresh air system with dynamic combined air purification module Download PDFInfo
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- CN111550897A CN111550897A CN202010335542.XA CN202010335542A CN111550897A CN 111550897 A CN111550897 A CN 111550897A CN 202010335542 A CN202010335542 A CN 202010335542A CN 111550897 A CN111550897 A CN 111550897A
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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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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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
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- 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
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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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
- F24F2110/50—Air quality properties
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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
Abstract
Fresh air system with developments combination formula air purification module, fresh air system includes air supply channel, forced draught blower, air purification module, the passageway of airing exhaust at least, its characterized in that: the air quality monitoring module is arranged in the air supply channel and used for monitoring the quality of air entering the air supply channel; the air purification module is designed to have a dynamic combination function, and is dynamically combined and adjusted according to real-time outdoor air quality change so as to achieve the optimal operation effect.
Description
Technical Field
The invention relates to a fresh air system technology, in particular to a fresh air system with a dynamic combined air purification module.
Background
The fresh air system is an air processing system consisting of an air supply system and an air exhaust system, and is used for continuously introducing outdoor fresh air into the room and exchanging indoor air, and exhausting the indoor air out of the room through an air exhaust channel; and simultaneously, the outdoor air introduced into the room is purified, so that high-quality clean air is continuously obtained indoors. The principle of the existing fresh air system is mainly that a multi-stage filtration method is adopted, and a plurality of purification modules with different functions can be added to work cooperatively, so that harmful components and inhalable particles in the air are gradually filtered or eliminated. The normal operation mode of the fresh air system is 24-hour automatic operation, but according to the difference of application requirements and use habits of users, the intermittent operation of some fresh air systems is not excluded.
The problem of current new trend system lies in:
1. high energy consumption and low air exchange rate: compared with the windowing natural ventilation, the ventilation volume of the fresh air system is only a fraction or even a tenth of the windowing natural ventilation, and the air supply needs to consume electric energy; for example, in a time period when the climate conditions are appropriate and the outdoor air quality is excellent, the fresh air system has almost no advantage compared with the windowing natural ventilation;
2. the intelligent degree is low: the filter device in the fresh air system is designed according to the worst outdoor air quality, although the filter effect is good, the ventilation resistance is very large, and the frequency of replacing consumables is high when the fresh air system is used for a long time; because the fluctuation of the outdoor air quality is large, the data of the outdoor air quality are different and sometimes fluctuate very violently in different seasons and different dates in one year and different time periods in one day, if a fresh air system can avoid the time period with poor air quality and simultaneously utilize the time period with good air quality as much as possible, the consumption of filter consumables can be reduced, and more fresh air with higher quality can be provided for the indoor; however, the influence of this factor is not considered in the design of the existing fresh air system.
In addition, there are many artificial intelligence algorithms for predicting air quality based on big data analysis in the prior art, for example, chinese patent application No. 201510626776.9, "a regional air PM2.5 concentration prediction method", and there are many similar schemes in the prior art. Common to such artificial intelligence algorithms are: algorithm rules and models are established according to the air quality of the area to be measured, historical meteorological data and real-time data, calculation and optimization are carried out through a computer, and prediction and analysis of the air quality can be achieved.
It should be noted that all gridding prediction algorithms are based on data, and the number and density of monitoring points are key factors for determining the gridding fineness of prediction. The existing artificial intelligence algorithm depends on the monitoring data of public observation points, and because the number of the public observation points is small, the local outdoor air quality change data related to a certain building (longitude and latitude) and a certain floor (height) can not be provided accurately, and the local sudden outdoor air quality change condition in a small range of a related area can not be monitored; therefore, the existing air quality prediction system cannot play an accurate guiding role in the operation strategy of the fresh air system of each user.
Disclosure of Invention
The design idea of the invention is as follows: the air purification module is designed to have a dynamic combination function, and is dynamically combined and adjusted according to real-time outdoor air quality change so as to achieve the optimal operation effect.
The technical scheme of the invention is as follows: fresh air system with developments combination formula air purification module, fresh air system includes air supply channel, forced draught blower, air purification module, the passageway of airing exhaust at least, its characterized in that:
the air quality monitoring module is arranged in the air supply channel and used for monitoring the quality of air entering the air supply channel;
the air purification module is a dynamic combined air purification module, which comprises a plurality of layers of air purification components with air purification function; the dynamic combined air purification module is divided into a working area and a standby area, the working area is communicated with the air supply channel, and an air purification component in the working area purifies air flowing in the air supply channel; the standby area is not communicated with the air supply channel, and the air purification component in the standby area is kept in a standby state; the positions of all the air purification components can be respectively switched between the working area and the standby area, so that filtering combinations with different functions are formed;
in the operation process of the fresh air system, the quality of the air entering the air supply channel at present is monitored in real time through the air quality monitoring module, and the air quality data is sent to the control module; the control module drives the dynamic combined air purification module to form a corresponding filtering combination according to the air quality data; when the quality of the air entering the air supply channel is good, the control module drives the dynamic combined air purification module to switch partial air purification components to the standby area, and less air purification components are used for purifying the air; when the quality of the air entering the air supply channel is poor, the control module drives the dynamic combined air purification module to switch more or all air purification components to the working area, and more or all air purification components are used for purifying the air.
Furthermore, historical data and real-time data of the outdoor air quality are collected through the air quality monitoring module and are analyzed and processed, so that the change of the outdoor air quality is predicted, and the operation strategy of the fresh air system is optimized and adjusted according to the prediction result. From this, can further promote the intelligent degree of new trend system.
The invention has the beneficial effects that:
1. the time period of better outdoor air quality is fully utilized, and the use amount of the air purification component is dynamically reduced, so that the consumption of air filtration consumables can be reduced; the air cleaning component (filter element) selected at the moment has lower wind resistance, namely the ventilation volume is greatly improved under the same operation condition and operation time;
2. because sufficient air exchange is carried out in the time period with better outdoor air quality, optimization control strategies such as reduction of ventilation volume or intermittent operation and the like can be adopted in the time period with poorer outdoor air quality, so that the loss of consumables is further reduced;
3. when the air purification component needs to be replaced or disassembled for maintenance, the air purification component is switched to a standby area for operation. The operation process is simple and practical.
Drawings
FIG. 1: the structure of the fresh air system is schematic;
FIG. 2 is a drawing: a first operational schematic diagram (decrement ready state) of the air purification module of the present invention;
FIG. 3: a second operational schematic of the air purification module of the present invention (decrement complete state);
FIG. 4 is a drawing: a third operational schematic of the air purification module of the present invention (incremental ready state);
FIG. 5: a fourth operational schematic of the air purification module of the present invention (incremental complete state);
wherein, the arrow direction is the process that fresh air enters the room through the air supply channel and indoor air is discharged out of the room through the air exhaust channel.
Detailed Description
Example 1:
in the technical solution of the present invention, the dynamic combined air purification module 103 is the most critical part. The structure of the dynamic combined air purification module 103 is as follows: comprises a working area frame 11, a standby area frame 12, a movable frame 13, a plurality of layers of air purification components 3 and locking mechanisms matched with the air purification components 3; wherein, the movable frame 13 can move back and forth between the working area 1 and the standby area 2 and can be nested in the working area frame 11 or the standby area frame 12; the locking mechanism can lock the corresponding air purification component 3 with at least one of the working area frame 11, the standby area frame 12 and the movable frame 13.
When some air purification components 3 need to be switched from the working area 1 to the standby area 2, the movable frame 13 is firstly moved to the working area 1 and nested in the working area frame 11, and then the corresponding locking mechanism of the air purification components 3 needing to be switched to the standby area 2 is set to be locked with the movable frame 13; and the locking mechanisms corresponding to the other air purification components 3 are set to be locked with the working area frame 11; finally, the movable frame 13 carries a plurality of air cleaning components 3 locked with the movable frame 13, and moves to the standby area 2 together and is nested in the standby area frame 12;
when some air purification components 3 need to be switched from the standby area 2 to the working area 1, the movable frame 13 is firstly moved to the standby area 2 and nested in the standby area frame 12, and then the corresponding locking mechanism of the air purification components 3 needing to be switched to the working area 1 is set to be locked with the movable frame 13; and the locking mechanisms corresponding to the other air cleaning components 3 are set to be locked with the spare area frame 12; finally, the movable frame 13 carries a number of air cleaning elements 3 locked with the movable frame 13, together moving to the working area 1 and nesting in the working area frame 11.
The structure and operation of the module are described in detail below with reference to fig. 2-5.
In the dynamic combined air purification module 103 of this example, four layers of air purification components 3, namely a first filter layer 3a, a second filter layer 3b, a third filter layer 3c and a fourth filter layer 3 d; according to the common arrangement, the four filter layers are a primary filter screen, a secondary filter screen and a high-efficiency filter screen in turn, the purification capacity of the filter screens is enhanced in turn, and the resistance to air circulation of the filter screens is increased in turn.
The dynamic combined air purification module 103 includes a working area frame 11 and a spare area frame 12, the working area frame 11 and the spare area frame 12 are fixedly installed frame structures, and corresponding internal areas respectively correspond to the working area 1 and the spare area 2. The movable frame 13 can be switched back and forth between the working area 1 and the spare area 2 by the moving mechanism. The lower end of the working area frame 11 is provided with a plurality of groups of working area frame locking mechanisms 41; the upper end of the spare area frame 12 is provided with a plurality of sets of spare area frame locking mechanisms 42; the upper and lower ends of the movable frame 13 are provided with a plurality of sets of movable frame locking mechanisms 43, respectively. The locking mechanisms described above are used in cooperation with the positioning holes in the air cleaning members 3.
At the lower end of the dynamic combined air purification module 103, the working area frame locking mechanism 41 and the movable frame locking mechanism 43 are arranged in parallel, and a hollow groove for the movable frame locking mechanism 43 to freely reciprocate is reserved in the working area frame 11; at the upper end of the dynamic combination type air cleaning module 103, the spare area frame locking mechanism 42 and the movable frame locking mechanism 43 are positioned in parallel, and a vacant slot provided for the movable frame locking mechanism 43 to freely reciprocate is left in the spare area frame 12.
In the operation process of the fresh air system, when the air quality monitoring module 105 monitors the quality of the air entering the air supply channel in real time, the 'decrement process' is executed, and only the first filter layer 3a and the second filter layer 3b are used for purifying the fresh air. At the moment, the air supply resistance of the fresh air system is very small, the energy consumption of the system is reduced, and the ventilation volume is greatly improved.
First, as shown in fig. 2, the movable frame 13 is moved to the work area 1 and overlapped with the work area frame 11; corresponding to the first filter layer 3a and the second filter layer 3b, the movable frame locking mechanisms 43 at the upper end and the lower end are in a contracted state, and the work area frame locking mechanism 41 at the lower end is in an extended state, that is, the first filter layer 3a and the second filter layer 3b are locked with the work area frame, respectively; the work area frame locking mechanism 41 at the lower end is in a contracted state corresponding to the third filter layer 3c and the fourth filter layer 3 d; the upper and lower movable frame locking mechanisms 43 are in an extended state, that is, the third filter layer 3c and the fourth filter layer 3d are locked with the movable frame 13, respectively;
then, as shown in fig. 3, the movable frame 13 is moved to the spare area 2 and overlapped with the spare area frame 12; the work area frame locking mechanism 41 at the lower end remains in the work area 1 corresponding to the first filter layer 3a and the second filter layer 3b, i.e., the first filter layer 3a and the second filter layer 3b are locked with the work area frame 11, respectively, while remaining in the work area 1; the upper-end standby zone frame locking mechanism 42 is in an extended state corresponding to the third filter layer 3c and the fourth filter layer 3 d; the upper and lower movable frame locking mechanisms 43 are also in an extended state, i.e., lock the third filter layer 3c and the fourth filter layer 3d together in the standby zone 2.
In the operation process of the fresh air system, when the air quality monitoring module 105 monitors the poor quality of the air entering the air supply channel in real time, the incremental process is executed, namely, all the four layers of air purification components 3 are used for purifying the fresh air.
First, as shown in fig. 4, the movable frame 13 is moved to the spare area 2 and overlaps the spare area frame 12; corresponding to the first filter layer 3a and the second filter layer 3b, which are located in the work area 1 at this time, the work area frame locking mechanism 41 at the lower end is kept in an extended state, that is, the first filter layer 3a and the second filter layer 3b are respectively locked with the work area frame 11; the standby section frame locking mechanism 42 at the upper end is in a contracted state corresponding to the third filter layer 3c and the fourth filter layer 3 d; the upper and lower movable frame locking mechanisms 43 are in an extended state, that is, the third filter layer 3c and the fourth filter layer 3d are locked with the movable frame 13, respectively;
then, as shown in fig. 5, the movable frame 13 is moved to the work area 1 and overlapped with the work area frame 11; corresponding to the first filter layer 3a, the second filter layer 3b, the third filter layer 3c, and the fourth filter layer 3d, the movable frame locking mechanisms 43 at the upper and lower ends are in an extended state, and the working area frame locking mechanisms 41 at the lower end are in an extended state, that is, the four layers of air-cleaning members 3 are locked in the working area 1 at the same time.
It should be noted that, in conjunction with this embodiment, in fig. 2 to 4, the positions of the locking mechanisms corresponding to the first filter layer 3a and the fourth filter layer 3d are taken for local enlargement; the operating states of the locking mechanisms corresponding to the first filter layer 3a and the second filter layer 3b are identical, and the operating states of the locking mechanisms corresponding to the third filter layer 3c and the fourth filter layer 3d are identical. In fig. 5, the position of the locking mechanism corresponding to the first filter layer 3a is partially enlarged; the working states of the locking mechanisms corresponding to the four layers of air purification parts 3 are consistent.
In addition, when replacement or disassembly maintenance of the air purification component 3 consumables is required, all the air purification components 3 to be replaced may be switched to the spare area 2 by the movable frame 13, and then the above-described air purification components 3 are locked by the spare area frame locking mechanism 42, and the movable frame 13 is moved to the working area 1. At this time, the replacement of the air cleaning unit 3 can be easily performed by simply opening the spare area 2 and then releasing the spare area frame locking mechanism 42. The operation is very simple and convenient, and is very suitable for the operation process that only the consumable part of the air purification part 3 needs to be replaced or the part of the air purification part 3 needs to be disassembled for maintenance.
Further, the air quality monitoring module comprises a plurality of sensors for respectively monitoring a plurality of air quality index data, and each air quality index corresponds to the air purification component 3 with different functions; in the operation process of the fresh air system, the control module dynamically combines and sets the air purification components 3 with different functions according to the change conditions of various air quality index data.
For example, the content of harmful organics in the air is not directly related to the content of particulate matter. If one air purification part 3 is a photocatalyst filter screen, the main function is to remove harmful organic matters such as formaldehyde, methylamine, benzene, xylene, TVOC and the like; when the air quality monitoring module monitors that the content of harmful organic matters in the air is low, the photocatalyst filter screen can be moved to the standby area 2 according to the change of the data index.
It should be noted that the structural form of the dynamic combined air purification module 103 of the present invention is not limited to the structure described in this embodiment, and the structural form is only a relatively convenient structure. Those skilled in the art can also use the prior art to realize the similar functions of the air purification module in other structural forms.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (5)
1. Fresh air system with developments combination formula air purification module, fresh air system includes air supply channel (101), forced draught blower (102), air purification module, exhaust passageway (104) at least, its characterized in that:
the air quality monitoring system also comprises a control module, wherein an air quality monitoring module (105) for monitoring the quality of air entering the air supply channel (101) is arranged in the air supply channel (101);
the air purification module is a dynamic combined air purification module (103) which comprises a plurality of layers of air purification parts (3) with air purification functions; the dynamic combined air purification module (103) is divided into a working area (1) and a standby area (2), the working area (1) is communicated with the air supply channel (101), and the air purification component (3) in the working area (1) purifies air flowing in the air supply channel (101); the standby area (2) is not communicated with the air supply channel (101), and the air purification component (3) in the standby area (2) is kept in a standby state; the positions of the air purification components (3) can be respectively switched between the working area (1) and the standby area (2) so as to form filtering combinations with different functions;
in the operation process of the fresh air system, the quality of the air entering the air supply channel (101) at present is monitored in real time through the air quality monitoring module (105), and the air quality data is sent to the control module; the control module drives the dynamic combined air purification module (103) to form a corresponding filtering combination according to the air quality data; when the quality of the air entering the air supply channel (101) is good, the control module drives the dynamic combined type air purification module (103) to switch part of the air purification components (3) to the standby area (2), and the air is purified by using fewer air purification components (3); when the quality of the air entering the air supply channel (101) is poor, the control module drives the dynamic combined type air purification module (103) to switch more or all air purification components (3) to the working area (1), and more or all air purification components (3) are used for purifying the air.
2. The fresh air system with the dynamically combined air purification module as claimed in claim 1, wherein: the structure of the dynamic combined air purification module (103) is as follows: comprises a working area frame (11), a standby area frame (12), a movable frame (13), a plurality of layers of air purification components (3) and locking mechanisms matched with the air purification components (3); wherein the movable frame (13) can move back and forth between the working area (1) and the standby area (2) and can be nested in the working area frame (11) or the standby area frame (12); the locking mechanism can lock the corresponding air purification component (3) with at least one of the working area frame (11), the standby area frame (12) and the movable frame (13);
when some air purification components (3) need to be switched from the working area (1) to the standby area (2), firstly, the movable frame (13) is moved to the working area (1) and is nested in the working area frame (11), and then, the locking mechanism corresponding to the air purification components (3) needing to be switched to the standby area (2) is set to be locked with the movable frame (13); and the locking mechanisms corresponding to other air purification components (3) are set to be locked with the working area frame (11); finally, the movable frame (13) carries a plurality of air purification components (3) locked with the movable frame (13), moves to the spare area (2) together and is nested in the spare area frame (12);
when some air purification components (3) need to be switched from the standby area (2) to the working area (1), firstly, the movable frame (13) is moved to the standby area (2) and is embedded in the standby area frame (12), and then, the corresponding locking mechanism of the air purification components (3) needing to be switched to the working area (1) is set to be locked with the movable frame (13); and the locking mechanisms corresponding to other air purification components (3) are set to be locked with the spare area frame (12); finally, the movable frame (13) carries a plurality of air cleaning components (3) locked with the movable frame (13), and the air cleaning components are moved to the working area (1) together and nested in the working area frame (11).
3. The fresh air system with the dynamically combined air purification module as claimed in claim 1, wherein: the air quality monitoring module (105) comprises a plurality of sensors and is used for respectively monitoring a plurality of air quality index data, and each air quality index corresponds to the air purification component (3) with different functions; in the operation process of the fresh air system, the control module dynamically combines and sets the air purification components (3) with different functions according to the change conditions of various air quality index data.
4. The fresh air system with the dynamically combined air purification module as claimed in claim 1, wherein: when the air purification component (3) needs to be replaced or disassembled for maintenance, the air purification component (3) is switched to the standby area (2) for operation.
5. The fresh air system with the dynamically combined air purification module as claimed in claim 1, wherein: historical data and real-time data of outdoor air quality are collected through the air quality monitoring module (105) and are analyzed and processed, so that the change of the outdoor air quality is predicted, and then the operation strategy of the fresh air system is optimized and adjusted according to the prediction result.
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| CN202010335542.XA CN111550897A (en) | 2020-04-25 | 2020-04-25 | Fresh air system with dynamic combined air purification module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665151A (en) * | 2020-12-21 | 2021-04-16 | 珠海格力电器股份有限公司 | Fresh air control method, device and system of air conditioner, processor and electronic equipment |
| CN113654152A (en) * | 2021-08-25 | 2021-11-16 | 宁波奥克斯电气股份有限公司 | Intelligent fresh air control method, intelligent fresh air control system and fresh air device |
| CN113719944A (en) * | 2021-09-09 | 2021-11-30 | 苏州行净环保科技有限公司 | Efficient filtering method for air pollution |
| CN113932373A (en) * | 2021-11-08 | 2022-01-14 | 苏州曼凯系统集成科技有限公司 | Central air-conditioning control system capable of intelligently detecting and filtering impurities on line |
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Application publication date: 20200818 |