CN113513803A - Fresh air system - Google Patents
Fresh air system Download PDFInfo
- Publication number
- CN113513803A CN113513803A CN202010273263.5A CN202010273263A CN113513803A CN 113513803 A CN113513803 A CN 113513803A CN 202010273263 A CN202010273263 A CN 202010273263A CN 113513803 A CN113513803 A CN 113513803A
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- Prior art keywords
- air
- return air
- district
- fresh air
- return
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Central Air Conditioning (AREA)
Abstract
The utility model provides a fresh air system, includes the box and sets up new trend district, first return air district and mixed wind district in the box, and first return air district is used for introducing indoor return air, mixes the wind district and is used for mixing the back with new trend and return air, send into after refrigeration or heating indoor, fresh air system still includes second return air district, second return air district includes second return air wind channel, new trend district includes new trend wind channel and heat exchanger, heat exchanger set up in new trend wind channel and the second return air wind channel, the air that corresponds in the wind channel carries out the heat exchange, heat exchanger's one end with first return air district intercommunication and intercommunication department are equipped with the second and adjust the blast gate for supply the new trend and adjust the induction volume of the new trend of replenishment. Above-mentioned new trend system carries out the heat exchange through the air in new trend wind channel and the second return air wind channel through the quick discharge contaminated air in second return air district, improves energy efficiency, utilizes the second to adjust the blast gate and supply new trend induction volume, promotes indoor environment comfort level.
Description
Technical Field
The invention relates to the field of air conditioning systems, in particular to a fresh air system.
Background
At present, when an air conditioner on the market operates, doors and windows are in a closed state, polluted air cannot be discharged in time due to long-time living and living processes, fresh air is not supplemented and exchanged, bacteria are easy to breed in long-term closed circulating air volume, certain adverse effects are generated on the health and the life of indoor personnel, such as common cold, air-conditioning diseases and the like, and the influence on personnel meeting in a small office meeting room or pregnant and lying-in women is larger particularly. The new trend system has obtained many customers' favor to the improvement of room air quality, the new trend system is the result of new trend system and air conditioning system inter combination, exchange with the outside air when satisfying the air conditioner to room temperature regulation, thereby can accomplish indoor outer air exchange, but because the new trend system introduces the outdoor air indoor, the use of new trend system can be balanced indoor outer temperature each other, cause the energy consumption to increase and cause the travelling comfort to descend easily, and the unable quick indoor polluted air of discharging of new trend system.
Disclosure of Invention
In view of the above, there is a need for a fresh air system capable of effectively exhausting indoor polluted air.
A fresh air system comprises a box body, a fresh air area, a first return air area and a mixed air area, wherein the fresh air area, the first return air area and the mixed air area are arranged in the box body, the fresh air area is communicated with the mixed air area, the first return air area is used for introducing indoor return air, the mixed air area is used for mixing fresh air introduced by the fresh air area and indoor return air introduced by the first return air area and sending the mixture into a room after refrigeration or heating, the fresh air system further comprises a second return air area, the second return air area comprises a second return air duct, the second return air duct is used for discharging indoor polluted air, the fresh air area comprises a fresh air duct and a heat exchanger, the heat exchanger is arranged in the fresh air duct and the second return air duct so as to enable the air in the fresh air duct and the second return air duct to exchange heat, a second adjusting air valve is arranged at the position where one end of the heat exchanger is communicated with the first return air area and the communicated with the first return air area, used for supplementing fresh air and adjusting the introduced amount of the supplemented fresh air.
Furthermore, the box body comprises a top plate, an air inlet and an air exhaust outlet are arranged on the top plate, and the air inlet and the air exhaust outlet are correspondingly arranged at one ends, close to the top plate, of the fresh air duct and the second return air duct respectively.
Furthermore, a second return air inlet is further formed in the top plate and is arranged at one end, far away from the air exhaust outlet, of the second return air duct, and the second return air inlet is used for being connected to an indoor kitchen and/or a toilet.
Furthermore, an electrostatic dust removal and nano sterilization device is arranged at the air outlet of the air exhaust and is used for purifying air.
Further, the mixed wind district is including mixing the wind channel, be equipped with evaporimeter and forced draught blower in the mixed wind channel, the evaporimeter is used for refrigerating or heating the air, the forced draught blower is used for sending into the air after refrigerating or heating indoor.
Further, the mixed air area further comprises a fourth partition plate, the fourth partition plate is arranged in the box body to form an accommodating part, and the accommodating part is used for accommodating a compressor and a condenser which are matched with the evaporator to use, so that the fresh air system can be used as an all-in-one machine.
Furthermore, a first adjusting air valve is arranged at the communication position of the fresh air channel and the mixed air channel, the first air return area comprises a first air return channel, and a third adjusting air valve is arranged at the communication position of the first air return channel and the mixed air channel and used for adjusting the introduction proportion of fresh air and return air.
Furthermore, the first adjusting air valve and the third adjusting air valve are fixed with each other, and a baffle plate is arranged between the third adjusting air valve and the first adjusting air valve and used for separating the fresh air duct and the first return air duct.
Furthermore, filter devices are arranged in the fresh air duct, the first return air duct and the second return air duct.
Further, the filtering device is provided with a timing system for recording the service time of the filtering device.
Above-mentioned new trend system is through setting up the indoor contaminated air of second return air district quick discharge, carry out the heat exchange through the air in new trend wind channel and the second return air wind channel, can carry out the heat exchange with the heat or the cold volume of indoor exhaust air and the outdoor air that is about to get into indoor, and then reduce the heat of indoor air or the loss of cold volume, thereby improve energy utilization efficiency, and utilize the second air damper adjustment new trend introduction volume, promote the comfort level of indoor environment.
Drawings
Fig. 1 is a schematic view of an overall structure of a fresh air system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a fresh air system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of another view angle of the fresh air system according to an embodiment of the present invention.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, 2 and 3, in one embodiment, a fresh air system 100 includes a box 10, a fresh air region 20, a first return air region 30, a mixed air region 40 and a second return air region 50. The fresh air zone 20, the first return air zone 30, the mixed air zone 40 and the second return air zone 50 are respectively arranged in the box body 10 in a separated mode.
The box body 10 includes a top plate 11, a bottom plate 12, side plates 13 disposed opposite to each other, and a front plate and a back plate (not numbered) connected to the top plate 11, the bottom plate 12, and the side plates 13, respectively. In one embodiment, the housing 10 is generally rectangular parallelepiped in configuration. The top plate 11 is provided with an air inlet 111, an air outlet 112, a first return air inlet 113, a second return air inlet 114 and an air outlet 115. In one embodiment, the air inlet 111 is disposed adjacent to the air outlet 115 to exchange heat with air in the corresponding air duct, thereby improving energy efficiency. The air inlet 111 is communicated with the fresh air area 20, the air outlet 112 is communicated with the mixed air area 40, the first return air inlet 113 is communicated with the first return air area 30, and the second return air inlet 114 and the exhaust air outlet 115 are both communicated with the second return air area 50. A bottom support 121 is arranged on one side of the bottom plate 12 far away from the top plate 11, and is used for increasing the stability of the box body 10 when being placed.
The fresh air area 20 comprises a fresh air duct 21, a first adjusting air valve 22 and a heat exchanger 23, wherein the fresh air duct 21 is composed of the top plate 11, the side plate 13, the heat exchanger 23 and a first partition plate 231 arranged on the heat exchanger 23. The fresh air duct 21 is close to one end of the top plate 11 and communicated with the air inlet 111, the other end of the fresh air duct is provided with the first adjusting air valve 22, and the first adjusting air valve 22 is used for controlling the opening and closing of the fresh air duct 21. The heat exchanger 23 is disposed in the fresh air duct 21, a second adjusting air valve 24 is disposed at an end of the heat exchanger 23 away from the air inlet 111, the second adjusting air valve 24 is used for adjusting an introduction amount of supplemented fresh air, and the opening and closing degree of the second adjusting air valve 24 can be controlled according to a requirement, specifically, the supplemented fresh air enters from the air inlet 111, passes through the heat exchanger 23, enters the first return air region 30 through the second adjusting air valve 24, then flows into the mixed air region 40, and is mixed with the fresh air in the fresh air region 20, so as to supplement the introduction amount of the fresh air. In an embodiment, still be equipped with cooling device in the new trend wind channel 21, cooling device is used for getting rid of the heat in the new trend when summer, is favorable to the new trend system to shorten the refrigeration time, reduces indoor temperature fast, in an embodiment, cooling device is the water cooling plant. It can be understood that a filtering device is disposed between the air inlet 111 and the heat exchanger 23 in the fresh air duct 21 for filtering harmful substances to human body, such as dust and impurities in the introduced outdoor fresh air. In one embodiment, the filter device has a two-layer structure, specifically, a primary middle-efficiency filter structure and a secondary high-efficiency filter structure.
The first return air area 30 includes a second partition 31, a third partition 32, a third adjusting air valve 33, and a first return air duct 34. One end of the second partition plate 31 is connected with the side plate 13, and the other end is connected with the third adjusting air valve 33. The third partition plate 32 is disposed between the side plate 13 and the heat exchanger 23 and is connected to the top plate 11, the second partition plate 31, and the first partition plate 231, the third partition plate 32 is disposed substantially parallel to the front plate and the back plate, and one end of the third partition plate 32, which is far away from the top plate 11, is spaced from the second partition plate 31 to form a return air flowing space. In an embodiment, an electric cabinet is disposed on the third partition 32, and a control system is disposed in the electric cabinet and is used for controlling the fresh air system to implement various functions. The first return air duct 34 is formed by the second partition plate 31, the third partition plate 32, the side plate 13, the top plate 11, the heat exchanger 23, the front plate, and the back plate, and the second damper 24 is located in the first return air duct 34. The first return air duct 34 is connected to the indoor space, such as a living room, a bedroom, an office, a meeting room, etc., through a pipeline, and is used for mixing the indoor return air with the newly introduced fresh air, and as can be understood, the filtering device is arranged in the first return air duct 34. One end of the first return air duct 34 is communicated with the first return air inlet 113, and the other end is provided with the third adjusting air valve 33. The third adjusting air valve 33 and the first adjusting air valve 22 are fixed to each other, and a baffle 35 is arranged between the third adjusting air valve 33 and the first adjusting air valve 22 and used for separating the fresh air area 20 from the first return air area 30. The third damper 33 is used to control the opening and closing of the first return air duct 34 and the degree of opening and closing thereof, so as to control the amount of return air introduced into the room.
The mixed wind zone 40 includes a fourth partition 41, an evaporator 42, a blower 43, a fifth partition 44, and a mixed wind duct 45. Two ends of the fourth partition 41 are connected to the bottom plate 12 and the side plate 13, respectively, to form a receiving portion 411. In one embodiment, the accommodating portion 411 is used for installing a compressor and a condenser, so that the fresh air system 100 can be used as an all-in-one machine with a cold and heat source. It is understood that the fresh air system 100 can also be used with an external outdoor unit. The evaporator 42 is fixed to the second separator 31 and the fourth separator 41. The blower 43 is provided with a fixing plate 431, and both ends of the fixing plate 431 are fixed to the side plate 13 and the second partition plate 31. It can be understood that the fixing plate 431 is provided with a through hole for the mixed air to pass through. One end of the fifth partition 44 is fixed to the top plate 11 and located between the air outlet 112 and the second return air inlet 114, and the other end is fixed to the second partition 31. The bottom plate 12, the second partition plate 31, the third partition plate 32, the side plates 13 and the fifth partition plate 44 form the mixed air duct 45, and the mixed air duct 45 is used for mixing fresh air and indoor return air and then sending the mixture into a room. It can be understood that through controlling the opening and closing of the third adjusting air valve 33, the fresh air and the return air can be controlled to be mixed or independently fresh air, and through controlling the opening and closing degree of the third adjusting air valve 33, the mixing proportion of the fresh air and the return air can be controlled.
When the third adjusting air valve 33 is closed, fresh air is introduced into the fresh air duct 21 through the air inlet by the outdoor unit, is filtered, exchanges heat through the heat exchanger 23, enters the mixed air duct 45 through the first adjusting air valve 22, is cooled or heated by the evaporator 42, and is sent into the room through the blower 43.
When the first adjusting air valve 22 and the third adjusting air valve 33 are both opened, fresh air is introduced into the fresh air duct 21 through the air inlet, and enters the mixing air duct 45 through the first adjusting air valve 22 after being subjected to heat exchange through the heat exchanger 23 after being filtered; indoor return air is filtered and then enters the first return air duct 34 from the first return air inlet 113, enters the mixed air duct 45 through the third adjusting air valve 33, is mixed with the return air in the mixed air duct 45, and is sent into the room through the blower 43 after being cooled or heated by the evaporator 42. It can be understood that when the indoor temperature is in a comfortable range, the introduced amount of fresh air can be reduced, so that the energy consumption is saved. It can be understood that when the demand for fresh air is large, more fresh air can be introduced by controlling the second adjusting air valve 24 to improve the comfort level.
The second return air area 50 includes an exhaust fan 51, a sixth partition 52, and a second return air duct 53. The exhaust fan 51 is arranged at the exhaust air outlet 115 and used for exhausting return air to the outside so as to form a negative pressure state indoors, and fresh air can enter the room continuously. One end of the sixth partition plate 52 is connected to the fifth partition plate 44, and the other end is connected to the heat exchanger 23. In one embodiment, the sixth partition 52 is substantially perpendicular to the fifth partition 44 and substantially parallel to the top plate 11. The second return air duct 53 is formed by the third partition 32, the fifth partition 44, the sixth partition 52, the heat exchanger 23, the first partition 231, and the back plate. One end of the second return air duct 53, which is far away from the air exhaust outlet 115, is communicated with the second return air inlet 114, the other end is communicated with the air exhaust outlet 115, and the heat exchanger 23 is partially arranged in the second return air duct 53 and is used for recovering energy in indoor air exhausted from the air exhaust outlet 115. The second return air inlet 114 is also provided with the filtering device. The second return air inlet 114 is connected to a place with serious indoor air pollution, such as a toilet, a kitchen or a place where people gather more. In one embodiment, the air outlet 115 is provided with an electrostatic dust collector and a nano sterilizer for purifying air. The specific air exhaust process is that the indoor return air enters the second return air duct 53 through the second return air inlet 114, enters the heat exchanger 23 after being filtered, and after being subjected to heat exchange with outdoor fresh air, the heat or cold of the indoor discharged air can be subjected to heat exchange with the outdoor air to be entered into the room, and the heat or cold of the outdoor discharged air is recovered to a certain extent, so that the loss of the heat or cold of the indoor air is reduced, the energy utilization efficiency is improved, then the indoor polluted air is exhausted to the outside through the exhaust fan 51, and the indoor polluted air is discharged to the outside after being purified and sterilized, so that the polluted air can be effectively prevented from entering the room as the fresh air again.
It can be understood that the filtering device is provided with a timing system, and the timing system is connected with the control system and is used for recording the service time of the filtering device and reminding a user of timely replacement.
Above-mentioned new trend system is through setting up the indoor contaminated air of second return air district quick discharge, the new trend that comes in through the air intake carries out the heat exchange with the air outlet exhaust return air of airing exhaust, can carry out the heat exchange with the heat or the cold volume of indoor exhaust air and the outdoor air that will get into indoor, heat or cold volume in utilizing indoor return air through setting up first return air intake mix with the new trend, and then reduce the heat of indoor air or the loss of cold volume, thereby improve energy utilization efficiency, and utilize the second air damper to supply the new trend introduction, promote the comfort level of indoor environment.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a new trend system, includes the box and set up in new trend district, first return air district and mixed wind district in the box, new trend district and mixed wind district intercommunication, first return air district is used for introducing indoor return air, mixed wind district be used for with the new trend that new trend district introduced with the indoor return air that first return air district introduced mixes the back, sends into indoor, its characterized in that after refrigerating or heating: the fresh air system further comprises a second return air area, the second return air area comprises a second return air channel, the second return air channel is used for discharging indoor polluted air, the fresh air area comprises a fresh air channel and a heat exchanger, the heat exchanger is arranged in the fresh air channel and the second return air channel, so that air in the fresh air channel and the second return air channel is subjected to heat exchange, and one end of the heat exchanger is communicated with the first return air area and communicated with the first return air area to form a second air adjusting valve, so that fresh air can be supplemented and the introduction quantity of the supplemented fresh air can be adjusted.
2. The fresh air system as claimed in claim 1, wherein: the box body comprises a top plate, an air inlet and an air exhaust outlet are arranged on the top plate, and the air inlet and the air exhaust outlet are respectively and correspondingly arranged at one ends, close to the top plate, of the fresh air duct and the second return air duct.
3. The fresh air system as claimed in claim 2, wherein: and a second return air inlet is also arranged on the top plate and is arranged at one end of the second return air duct, which is far away from the exhaust air outlet, and the second return air inlet is used for being connected to an indoor kitchen and/or a toilet.
4. The fresh air system as claimed in claim 2, wherein: and an electrostatic dust removal and nano sterilization device is arranged at the air outlet of the air exhaust and is used for purifying air.
5. The fresh air system as claimed in claim 1, wherein: the mixed wind district is equipped with evaporimeter and forced draught blower including mixing the wind channel in, be equipped with evaporimeter and forced draught blower in the mixed wind channel, the evaporimeter is used for refrigerating or heating the air, the forced draught blower is used for sending into indoor the air after will refrigerating or heating.
6. The fresh air system as claimed in claim 5, wherein: the mixed air area further comprises a fourth partition plate, the fourth partition plate is arranged in the box body to form an accommodating part, and the accommodating part is used for accommodating a compressor and a condenser which are matched with the evaporator.
7. The fresh air system as claimed in claim 5, wherein: the fresh air channel and the mixed air channel are communicated and the communicated part is provided with a third air regulating valve for regulating the introduction proportion of fresh air and return air.
8. The fresh air system as claimed in claim 7, wherein: and a baffle plate is arranged between the third adjusting air valve and the first adjusting air valve and is used for separating the fresh air channel and the first return air channel.
9. The fresh air system as claimed in claim 7, wherein: and the fresh air duct, the first return air duct and the second return air duct are all internally provided with a filtering device.
10. The fresh air system as claimed in claim 9, wherein: the filtering device is provided with a timing system for recording the service time of the filtering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010273263.5A CN113513803A (en) | 2020-04-09 | 2020-04-09 | Fresh air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010273263.5A CN113513803A (en) | 2020-04-09 | 2020-04-09 | Fresh air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113513803A true CN113513803A (en) | 2021-10-19 |
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ID=78060952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010273263.5A Pending CN113513803A (en) | 2020-04-09 | 2020-04-09 | Fresh air system |
Country Status (1)
| Country | Link |
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| CN (1) | CN113513803A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200095A (en) * | 2022-07-05 | 2022-10-18 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
-
2020
- 2020-04-09 CN CN202010273263.5A patent/CN113513803A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200095A (en) * | 2022-07-05 | 2022-10-18 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
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