CN114151866A - Fresh air conditioning system and control method thereof - Google Patents
Fresh air conditioning system and control method thereof Download PDFInfo
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- CN114151866A CN114151866A CN202111448087.5A CN202111448087A CN114151866A CN 114151866 A CN114151866 A CN 114151866A CN 202111448087 A CN202111448087 A CN 202111448087A CN 114151866 A CN114151866 A CN 114151866A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 27
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- 239000000428 dust Substances 0.000 abstract description 35
- 239000002245 particle Substances 0.000 abstract description 9
- 229920006254 polymer film Polymers 0.000 description 20
- 238000001914 filtration Methods 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 7
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- 238000010586 diagram Methods 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 1
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- 238000012545 processing 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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement 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
- 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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
-
- 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
- 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
- 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
- F24F8/192—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 by electrical means, e.g. by applying electrostatic fields or high voltages
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a fresh air conditioning system and a control method thereof, wherein a film is attached to an air inlet duct of the fresh air conditioning system, the film is arranged in front of a filter screen in the air inlet duct, fresh air entering the air inlet duct contacts the film firstly and then passes through the filter screen, and particulate matters in the fresh air entering the air inlet duct can generate a friction effect after contacting the film so as to be electrified. The scheme provided by the invention can enable dust and particles to be more easily adsorbed by the filter screen.
Description
Technical Field
The invention relates to the technical field of fresh air conditioners, in particular to a fresh air conditioning system and a control method thereof.
Background
The fresh air conditioning system takes fresh air exchange as a product of popularization idea, and the system uses the fan to supply fresh air outdoorsThe air inlet duct is pumped in, so that the fresh air passes through the filter screen in the air duct, and the structure can filter most of dust and other impurities in the fresh air, so that the fresh air conditioning system has the advantages of cleanness and sanitation. However, the filtering performance of the filter screen is limited, and a lot of dust or other impurities still exist in the fresh air entering the room of the fresh air conditioning system。
Disclosure of Invention
The main purpose of the present invention is to overcome the above-mentioned drawbacks of the related art, and to provide a fresh air conditioning system and a control method thereof, so as to solve the problem of limited filtering performance of the filtering net in the related art.
The invention provides a fresh air conditioning system, wherein a film is attached to an air inlet duct of the fresh air conditioning system, the film is arranged in front of a filter screen in the air inlet duct, fresh air entering the air inlet duct firstly contacts the film and then passes through the filter screen, and particulate matters in the fresh air entering the air inlet duct can generate a friction effect after contacting the film so as to be electrified.
Optionally, the film comprises: a polymer film, an EDPM rubber film, a butyl rubber film, or a polyvinyl fluoride film.
Optionally, the attaching manner of the film includes: at least one of a flat attachment type, a convex attachment type and a filter screen type; the flat-attached type includes: directly attaching the film to the inner wall of the air inlet duct; the protruding attached form includes: carrying out structuring treatment on the film to enable the surface of the film to be attached to the inner wall of the air inlet duct in a concave-convex shape; the filter screen type comprises: and structuring the film to enable the film to be in a net structure and arranged on the cross section of the air inlet duct.
Optionally, when the flat attaching type or the convex attaching type is adopted, the film covers the inner wall of the air inlet duct for 360 degrees, or the film partially covers the inner wall of the air inlet duct.
In another aspect, the present invention provides a control method for a fresh air conditioning system as described in any one of the above embodiments, including: detecting whether indoor air quality meets a preset air quality requirement or receiving a wind exchange mode starting instruction; and when the indoor air quality is detected not to meet the preset air quality requirement or an air exchange mode starting instruction is received, controlling a fresh air fan of the fresh air conditioning system to be started.
Optionally, the method further comprises: after a fresh air fan of the fresh air conditioning system is controlled to be started, when the indoor air quality is detected to meet the preset air quality requirement or an air exchange mode closing instruction is received, the fresh air fan is controlled to stop running.
According to the technical scheme of the invention, the film (such as a polymer film) can generate a friction effect with most particles in the air by attaching the film in the air inlet duct, so that the particles such as dust and the like which are difficult to be filtered are easier to be adsorbed by the filter screen. The friction effect is utilized, so that a plurality of particles in the fresh air are charged, and particles such as dust and the like are more easily adsorbed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of an embodiment of an air inlet duct of a fresh air conditioning system according to the present invention;
FIG. 2a shows a schematic view of a flat attachment;
FIG. 2b shows a schematic view of a bump attachment;
FIG. 2c shows a schematic diagram of a screen type;
FIG. 3 shows a schematic of a fresh air filtration process;
FIG. 4 shows a schematic diagram of the friction effect;
FIG. 5 is a flowchart illustrating a method of an embodiment of a method for controlling a fresh air conditioning system according to the present invention;
fig. 6 shows the control logic of a fresh air conditioning system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
At present, most fresh air conditioning systems generally adopt methods such as a water washing type or a multilayer filter screen type and the like in order to enhance the filtering capacity, but the methods increase the power consumption or the cost, and even have an influence on the ventilation efficiency.
The invention provides a fresh air conditioning system.
A film is attached to the air inlet duct of the fresh air conditioning system. The film includes: a polymeric membrane. The polymer film may include, for example: a polytetrafluoroethylene film, an EDPM rubber film, a butyl rubber film, or a polyvinyl fluoride film.
The attaching mode of the film comprises the following steps: at least one of a flat attachment type, a convex attachment type and a screen type. The flat attaching mode is as shown in fig. 2a, a film (such as a polymer film PTFE) is directly attached to the inner wall of the air inlet duct (i.e., the wall of the air inlet duct), which has the advantage of saving cost. When the flat attaching type is adopted, the film covers the inner wall of the air inlet duct for 360 degrees, or the film partially covers the inner wall of the air inlet duct. Namely, when the flat attaching type attaching mode is adopted, the inner wall of the whole annular air inlet pipeline can be covered by 360 degrees, and the inner wall of the annular air inlet pipeline at a part of angles can also be covered by the film.
The bulge attaching mode is as shown in fig. 2b, a film (such as a polymer film PTFE) is subjected to structuring treatment, so that the surface of the film is concave-convex and is attached to the inner wall of the air inlet duct; the surface area of the film can be increased, the friction rate and the friction time are further increased, the purposes of increasing the dust charge and enhancing the filtering capacity are achieved, and the filtering capacity can be enhanced by about 20% compared with a flat-attached type through experimental tests. Adopt during protruding attached formula, will 360 covers of film the inner wall of air inlet duct, perhaps will the film part covers the inner wall of air inlet duct, promptly, can 360 covers of the inner wall of annular air inlet duct when adopting protruding attached formula attached, also can with the film covers the inner wall of the partial angle of annular air inlet duct.
As shown in fig. 2c, the filter screen type is structured by a film (such as a polymer film PTFE), so that the film is in a mesh structure and is disposed on the cross section of the air inlet duct (for example, the edge of the film is attached to the inner wall of the air inlet duct), that is, the filter screen is disposed in the same manner as the filter screen, and the air entering the air inlet duct reaches the filter screen after passing through the film, so that the friction rate between the film and dust is greatly increased, and the experimental test shows that the filter capacity can be increased by about 50% compared with the flat attachment type, and the filter performance is greatly improved (by 50%), but the ventilation efficiency is reduced by about 20% compared with the flat attachment type.
Fig. 1 is a schematic front view of an embodiment of an air inlet duct of a fresh air conditioning system according to the present invention.
As shown in fig. 1, the film is flatly attached to the air inlet duct is inboard, and the filter screen is preceding, and fan 1 blows outdoor new trend into air intake 5, and the new trend gets into the air inlet duct, thereby impurity such as dust in the new trend can produce frictional effect with the inboard attached film (for example polymer film PTFE)2 in wind channel and electrified, is adsorbed by the filter screen then more easily, and the new trend after filter screen 3 gets into indoorly through air outlet 4.
The schematic diagram of the fresh air filtering process is shown in fig. 3. Taking the polymer film as an example, the fresh air conditioning system starts, the fan pumps outdoor fresh air into the air inlet duct through the air inlet, particulate matters (such as dust and the like) in the fresh air rub with the polymer film in the air inlet duct, the dust is electrified, then the fresh air drives the dust to pass through the filter screen, the dust is filtered by the filter screen, and the fresh air enters the room through the air outlet, so that the process of entering the room by the fresh air is completed.
Fig. 4 shows a schematic diagram of the friction effect. According to the principle of friction effect, combining the friction effect diagram of fig. 4 and the displacement current formula:
in the formula, D represents a displacement field, E represents an electric field, ε represents a vacuum dielectric constant, Ps represents a contact area of two friction materials, and t represents a friction time.
When two media made of different materials rub, electrons are lost, and in the invention, the polymer film rubs with dust, the polymer film loses electrons, and the dust obtains electrons. The friction process is shown in fig. 4, after the fresh air enters the air inlet duct, dust is pushed by wind to rub the polymer film, an electrostatic field is generated between the dust and the polymer film in the friction process and can be increased along with the increase of displacement current, so that the polymer film of volatile electrons loses electrons, and the dust of the electrons is easily obtained. Assuming that the distance between the air inlet and the filter screen is 80CM, the air speed is 9.8m/s, so according to the principle of air suction
Dust with sufficient friction (i.e., the dust rubs with the polymer film as soon as entering the air inlet and is adsorbed by the filter screen) can generate a potential difference of 30mv with the polymer film, so that the dust is more easily adsorbed by the filter screen.
TABLE 1
Table 1 shows the filtration performance of the fresh air conditioning system of the present invention compared to fresh air conditioning systems not using the present invention. Compared with the traditional fresh air conditioning system, the fresh air conditioning system has the advantages that the dust adsorption rate is increased by 20 percent; compared with a water washing type fresh air conditioning system, the system power consumption is reduced by 15%; compared with a multi-layer filter screen type fresh air conditioning system, the air exchange efficiency is improved by 30%.
The invention also provides a control method of the fresh air conditioning system according to any one of the embodiments.
Fig. 5 shows a method flowchart of an embodiment of a control method of a fresh air conditioning system provided by the present invention.
As shown in fig. 5, according to an embodiment of the present invention, the control method includes step S110 and step S120.
Step S110, detecting whether the indoor air quality meets a preset air quality requirement, or receiving a ventilation mode start instruction.
And step S120, controlling a fresh air machine of the fresh air conditioning system to be started when detecting that the indoor air quality does not meet the preset air quality requirement or receiving a starting instruction of an air exchange mode.
The air quality requirement may be, for example, indoor carbon dioxide CO2The concentration is below a preset threshold. For example, detecting indoor CO2Whether concentration reaches the preset threshold value, if not reach the preset threshold value, then new trend air conditioning system continues the standby, if reach the preset threshold value, then the new fan is opened, and the wind channel is blown into to the new trend, and the particulate matter (like dust etc.) in the new trend takes place the friction with the polymer film in the air-supply duct, and the dust is electrified, and the new trend drives the dust afterwards and passes through the filter screen, and the dust is filtered by the filter screen, and the new trend passes through the air outlet and gets into indoorly.
Further, after a fresh air fan of the fresh air conditioning system is controlled to be started, when the indoor air quality is detected to meet the preset air quality requirement or an air exchange mode closing instruction is received, the fresh air fan is controlled to stop running.
For example, detecting indoor CO2Concentration is less than to predetermineeing the threshold value, then new trend air conditioning system continues the standby, if reach preset threshold value, perhaps receive user's the mode of changing the wind and close the instruction, then the new fan is opened, and the wind channel is blown into to the new trend, and particulate matter such as dust takes place the friction with the polymer film in the air inlet duct in the new trend, and the dust is electrified, and the new trend drives the dust afterwards and passes through the filter screen, and the dust is filtered by the filter screen, and the new trend passes through the air outlet and gets into indoorly.
Fig. 6 shows the control logic of a fresh air conditioning system according to an embodiment of the present invention. As shown in FIG. 6, the fresh air system enters a standby state after being started, and is in indoor CO state2And after the concentration reaches a threshold value or the user manually selects a wind changing mode, starting the fan. The fan passes through outdoor new trend and pumps into the air inlet duct through the air intake, and the particulate matter (like dust etc.) in the new trend takes place the friction with the polymer film in the air inlet duct, and the dust is electrified, and the new trend drives the dust afterwards and passes through the filter screen, and the dust is filtered by the filter screen, and the new trend gets into indoorly through the air outlet, accomplishes the process that the new trend was gone into the room.
According to the scheme provided by the invention, the film (such as a polymer film) can generate a friction effect with most particles in the air by attaching the film in the air inlet duct, so that the particles such as dust and the like which are difficult to be filtered are more easily adsorbed by the filter screen. The friction effect is utilized, so that a plurality of particles in the fresh air are charged, and particles such as dust and the like are more easily adsorbed. The fresh air conditioning system provided by the invention does not influence the air exchange efficiency. The fresh air conditioning system provided by the invention has no extra power consumption in the filtering part.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the following claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and the parts serving as the control device may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The fresh air conditioning system is characterized in that a film is attached to an air inlet duct of the fresh air conditioning system, the film is arranged in front of a filter screen in the air inlet duct, fresh air entering the air inlet duct contacts the film firstly and then passes through the filter screen, and particulate matters in the fresh air entering the air inlet duct can generate a friction effect after contacting the film, so that the fresh air is electrified.
2. The fresh air conditioning system as recited in claim 1 wherein said membrane comprises: a polymeric membrane.
3. Fresh air conditioning system according to claim 1 or 2, wherein the film is attached in a manner that comprises: at least one of a flat attachment type, a convex attachment type and a filter screen type;
the flat-attached type includes: directly attaching the film to the inner wall of the air inlet duct;
the protruding attached form includes: carrying out structuring treatment on the film to enable the surface of the film to be attached to the inner wall of the air inlet duct in a concave-convex shape;
the filter screen type comprises: and structuring the film to enable the film to be in a net structure and arranged on the cross section of the air inlet duct.
4. The fresh air conditioning system as claimed in claim 3, wherein when the flat attachment type or the convex attachment type is adopted, the film is covered on the inner wall of the air inlet duct for 360 degrees, or the film is partially covered on the inner wall of the air inlet duct.
5. A control method of the fresh air conditioning system as claimed in any one of claims 1 to 4, characterized by comprising the following steps:
detecting whether indoor air quality meets a preset air quality requirement or receiving a wind exchange mode starting instruction;
and when the indoor air quality is detected not to meet the preset air quality requirement or an air exchange mode starting instruction is received, controlling a fresh air fan of the fresh air conditioning system to be started.
6. The control method according to claim 5, characterized by further comprising:
after a fresh air fan of the fresh air conditioning system is controlled to be started, when the indoor air quality is detected to meet the preset air quality requirement or an air exchange mode closing instruction is received, the fresh air fan is controlled to stop running.
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| CN202111448087.5A CN114151866A (en) | 2021-11-30 | 2021-11-30 | Fresh air conditioning system and control method thereof |
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| WO2019235867A1 (en) * | 2018-06-08 | 2019-12-12 | 성균관대학교산학협력단 | Dust filter using frictional electricity |
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2021
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Application publication date: 20220308 |
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