CN114216170A - Air conditioning equipment - Google Patents
Air conditioning equipment Download PDFInfo
- Publication number
- CN114216170A CN114216170A CN202111562574.4A CN202111562574A CN114216170A CN 114216170 A CN114216170 A CN 114216170A CN 202111562574 A CN202111562574 A CN 202111562574A CN 114216170 A CN114216170 A CN 114216170A
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- Prior art keywords
- condensation
- condenser
- air
- air conditioning
- chamber
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
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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
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
- F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the 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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/039—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing using water to enhance cooling, e.g. spraying onto condensers
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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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention discloses an air conditioning apparatus, comprising: a housing provided with an evaporation chamber and a condensation chamber; the evaporation cavity is provided with a first air inlet and a first air outlet, the condensation cavity is provided with a second air inlet and a second air outlet, and the second air inlet is arranged at the bottom of the condensation cavity; the condensation chamber is internally provided with a compressor and a condensation assembly, the condensation assembly is arranged at the bottom of the condensation chamber, one end of the condensation assembly is connected with the compressor through a first pipeline, and the other end of the condensation assembly is communicated to the evaporation chamber through a second pipeline. So set up, when air conditioning equipment used in cold and severe cold district, the condensation subassembly is higher for the cold climate in the external world temperature, can improve the temperature of second air intake through the heat transfer to can avoid the air intake to frost or freeze, guarantee to treat heat-radiating equipment's normal work, can also improve the life of treating heat-radiating equipment.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to air conditioning equipment.
Background
In the prior art, as shown in fig. 1, a conventional cabinet air conditioner is provided with an evaporation side and a condensation side, and the condensation side is usually a back side inlet air and a back side outlet air. Because the air inlet mesh is small, the air inlet is easy to frost or freeze in cold and severe cold areas. After frosting or icing, the cabinet air conditioner is easy to trigger a protection mechanism to cause shutdown. After the cabinet air conditioner is shut down, the temperature of the equipment to be cooled rises rapidly, and the normal work of the equipment and the service life of the equipment are easily influenced by overhigh temperature.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the air inlet of the traditional cabinet air conditioner in the prior art is easy to frost or freeze in cold and severe cold areas, thereby providing an air conditioning device.
To achieve the above object, an embodiment of the present invention provides an air conditioning apparatus, including: a housing provided with an evaporation chamber and a condensation chamber; the evaporation cavity is provided with a first air inlet and a first air outlet, the condensation cavity is provided with a second air inlet and a second air outlet, and the second air inlet is arranged at the bottom of the condensation cavity; the condensation chamber is internally provided with a compressor and a condensation assembly, the condensation assembly is arranged at the bottom of the condensation chamber, one end of the condensation assembly is connected with the compressor through a first pipeline, and the other end of the condensation assembly is communicated to the evaporation chamber through a second pipeline.
Optionally, the condensation assembly includes a first condenser and a second condenser connected in series, and the first condenser is disposed at the bottom of the condensation chamber.
Optionally, the first condenser is connected to the compressor.
Optionally, an evaporator and a water pan are arranged in the evaporation cavity, and the water pan is arranged below the evaporator; the spraying device is arranged in the condensation cavity and is positioned above the first condenser; and the water inlet end of the spraying device is communicated with the water outlet end of the water receiving tray through a third pipeline.
Optionally, the second condenser is disposed at the second air outlet.
Optionally, the first condenser is adapted to cover the second air inlet.
Optionally, the first condenser and/or the second condenser are finned condensers.
Optionally, the air conditioning apparatus further comprises: and the air inlet grille is arranged at the second air inlet.
Optionally, the second air outlet is opened at a side of the condensation chamber away from the evaporation chamber.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. an embodiment of the present invention provides an air conditioning apparatus, including: a housing provided with an evaporation chamber and a condensation chamber; the evaporation cavity is provided with a first air inlet and a first air outlet, the condensation cavity is provided with a second air inlet and a second air outlet, and the second air inlet is arranged at the bottom of the condensation cavity; the condensation chamber is internally provided with a compressor and a condensation assembly, the condensation assembly is arranged at the bottom of the condensation chamber, one end of the condensation assembly is connected with the compressor through a first pipeline, and the other end of the condensation assembly is communicated to the evaporation chamber through a second pipeline.
So set up, because the condensation subassembly sets up with the second air intake is the same the bottom in condensation chamber, so, when air conditioning equipment used in cold and severe cold district, the condensation subassembly was higher for the cold weather in the external world temperature, can improve the temperature of second air intake through the heat transfer to can avoid the air intake to frost or freeze, guarantee to treat heat-radiating equipment's normal work, can also improve the life of treating heat-radiating equipment.
2. According to the embodiment of the invention, the first condenser is connected with the compressor, so that the first condenser can be ensured to have higher temperature, and the degree of avoiding frosting or icing at the air inlet can be improved. When air conditioning equipment used in cold and severe cold areas, cold air coming in through the second air inlet can cool down the first condenser simultaneously, and the heat exchange efficiency of the first condenser is improved.
3. In the embodiment of the invention, an evaporator and a water pan are arranged in the evaporation cavity, and the water pan is arranged below the evaporator; the spraying device is arranged in the condensation cavity and is positioned above the first condenser; the technical scheme that the water inlet end of the spraying device is communicated with the water outlet end of the water receiving disc through the third pipeline is adopted, so that the low-temperature condensate water in the evaporation cavity can be guided to the spraying device through the water receiving disc, and the spraying device can guide the low-temperature condensate water generated by the evaporator to the upper part of the first condenser for spraying, so that the heat exchange of the auxiliary condenser can be accelerated. Meanwhile, part of cold energy taken away by the low-temperature condensate water can be recovered, and the energy efficiency of the air conditioning equipment can be further improved. And the sprayed condensed water also cleans dust and dirt on the first condenser at the same time. Because the condensate water is less, when the condensate water is sprayed on the first condenser, the condensate water can be completely evaporated by the first condenser, and the arrangement of a water outlet can be saved.
4. Because the finned condenser is provided with the air inlet grille, the first condenser is set as the finned condenser, foreign objects can be prevented from being sucked into the air conditioner, and the effect of the air inlet grille is achieved. Will the second condenser sets up to the condenser, is equivalent to setting up the air-out grid at the second air outlet, can also save the setting of original air-out grid, saves manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for a worker of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a conventional cabinet air conditioner in the prior art;
FIG. 2 is a schematic diagram of the overall structure of an air conditioning apparatus according to an embodiment of the present invention;
fig. 3 is a schematic view of the overall structure of the condensation chamber according to the embodiment of the present invention.
Reference numerals:
1. a housing; 2. an evaporation chamber; 3. a condensation chamber; 4. a first condenser; 5. a second condenser; 6. a spraying device; 7. a third pipeline; 8. a second air inlet; 9. a compressor; 10. a second air outlet; 11. and (5) equipment to be radiated.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a worker skilled in the art without creative efforts based on the embodiments of the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases by a worker of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the prior art, as shown in fig. 1, a conventional cabinet air conditioner is provided with an evaporation side and a condensation side, and the condensation side is usually a back side inlet air and a back side outlet air. Because the air inlet mesh is small, the air inlet is easy to frost or freeze in cold and severe cold areas. After frosting or icing, the cabinet air conditioner is easy to trigger a protection mechanism to cause shutdown. After the cabinet air conditioner is shut down, the temperature of equipment needing heat dissipation is quickly increased, and the normal work of the equipment and the service life of the equipment are easily influenced due to overhigh temperature.
Therefore, the technical problem to be solved by the invention is that the air inlet of the traditional cabinet air conditioner in the prior art is easy to frost or freeze in cold and severe cold areas, thereby providing an air conditioning device.
Example 1
As shown in fig. 2 to 3, an embodiment of the present invention provides an air conditioning apparatus including: a housing 1, and an evaporation chamber 2 and a condensation chamber 3 provided in the housing 1.
Specifically, in the embodiment of the present invention, the evaporation chamber 2 and the condensation chamber 3 are two chambers that are independently disposed, the evaporation chamber 2 is provided with a first air inlet and a first air outlet, the first air inlet and the first air outlet are both disposed on one side of the device to be cooled 11, and the first air outlet is adapted to blow cold air toward the device to be cooled 11. And a second air inlet 8 and a second air outlet 10 are formed in the condensation cavity 3, the second air inlet 8 is formed in the bottom of the condensation cavity 3, and the second air outlet 10 is formed in one side, far away from the evaporation cavity 2, of the condensation cavity 3. The inside of condensation chamber 3 still is provided with compressor 9 and condensation subassembly, the condensation subassembly with second air intake 8 is the same, all sets up the bottom of condensation chamber 3 is followed the air inlet direction, second air intake 8 is at the upper reaches of condensation subassembly, as shown in fig. 3, and the arrow direction is the wind current wind direction in condensation chamber 3. In the embodiment of the present invention, one end of the condensing assembly is connected to the compressor 9 through a first pipeline, and the other end of the condensing assembly is communicated to the evaporation cavity 2 through a second pipeline.
So set up, because the condensation subassembly sets up with second air intake 8 is the same the bottom in condensation chamber 3, so, when air conditioning equipment used in cold and severe cold district, the condensation subassembly was higher for the cold weather of external world temperature, can improve the temperature of second air intake 8 through the heat transfer to can avoid the air intake to frost or freeze, guarantee to treat the normal work of heat-radiating equipment 11, can also improve the life of treating heat-radiating equipment 11.
Further, in an optional embodiment of the present invention, the condensing assembly includes a first condenser 4 and a second condenser 5 connected in series, the first condenser 4 is disposed at the bottom of the condensing cavity 3, the second air outlet 10 is opened at the top of the condensing cavity 3, and the second condenser 5 is disposed at the second air outlet 10. Specifically, the first condenser 4 is connected to the compressor 9, and the second condenser 5 is in communication with the evaporator in the evaporation chamber 2. The first condenser 4 is adapted to cover the second air inlet 8.
According to the embodiment of the invention, the first condenser 4 is connected with the compressor 9, so that the first condenser 4 can be ensured to have higher temperature, and the degree of avoiding frosting or icing at the air inlet can be improved. When air conditioning equipment used in cold and severe cold areas, cold air entering through the second air inlet 8 can cool down the first condenser 4 simultaneously, and the heat exchange efficiency of the first condenser 4 is improved.
Further, in an alternative embodiment of the present invention, an evaporator and a water pan are disposed in the evaporation chamber 2, and the water pan is disposed below the evaporator. And a spraying device 6 is arranged in the condensation cavity 3, and the spraying device 6 is positioned above the first condenser 4. And the water inlet end of the spraying device 6 is communicated with the water outlet end of the water pan through a third pipeline 7. When the air conditioning equipment cools the equipment to be cooled 11 through refrigeration, the evaporator in the evaporation cavity 2 can continuously cool the sucked air near the equipment to be cooled 11, and simultaneously, the water vapor in the air is condensed to form condensed water drops, so that the condensed water drops are continuously condensed in the evaporator. When the condensed water drops converge to a certain degree, the condensed water drops can drop into the water receiving tray. Then, the condensed water flows into the spraying device 6 through the water receiving tray and is sprayed onto the first condenser 4 through the spray holes of the spraying device 6.
According to the embodiment of the invention, through the technical scheme recorded in the embodiment, the arrangement is that the low-temperature condensed water in the evaporation cavity 2 can be guided to the spraying device 6 through the water receiving disc, and the spraying device 6 can guide the low-temperature condensed water generated by the evaporator to the upper part of the first condenser 4 for spraying, so that the heat exchange of the auxiliary condenser can be accelerated. Meanwhile, part of cold energy taken away by the low-temperature condensate water can be recovered, and the energy efficiency of the air conditioning equipment can be further improved. And the sprayed condensed water also simultaneously cleans dust and dirt on the first condenser 4. Because the condensate water is less, when the condensate water is sprayed on the first condenser 4, the condensate water can be completely evaporated by the first condenser 4, and the arrangement of a water outlet can be saved.
Further, in an alternative embodiment of the present invention, both the first condenser 4 and the second condenser 5 may be provided as a finned condenser. Since the finned condenser is provided with the air inlet grille, the first condenser 4 is set as the finned condenser, so that foreign matters can be prevented from being sucked into the air conditioner, and the effect of the air inlet grille is achieved. Will second condenser 5 sets up to the condenser, is equivalent to setting up the air-out grid at second air outlet 10, can also save the setting of original air-out grid, saves manufacturing cost.
Of course, the present embodiment merely illustrates the types of the first condenser 4 and the second condenser 5, but is not limited thereto, for example, only the first condenser 4 or the second condenser 5 may be configured as a fin condenser, and those skilled in the art may change the types according to actual situations, and may achieve the same technical effects.
Further, in an optional embodiment of the present invention, the air conditioning apparatus further comprises an air intake grille, and the air intake grille is disposed at the second air inlet 8. So set up, when first condenser 4 with when second condenser 5 all sets up to the fin condenser, set up the air inlet grille at second air intake 8 and can block the debris in the air earlier to can play further purification's effect to inspiratory air.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Variations and modifications in other variations may occur to those skilled in the art based upon the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. An air conditioning apparatus, characterized by comprising:
the shell (1) is provided with an evaporation cavity (2) and a condensation cavity (3); the evaporation cavity (2) is provided with a first air inlet and a first air outlet, the condensation cavity (3) is provided with a second air inlet (8) and a second air outlet (10), and the second air inlet (8) is arranged at the bottom of the condensation cavity (3);
the condensation chamber (3) is internally provided with a compressor (9) and a condensation assembly, the condensation assembly is arranged at the bottom of the condensation chamber (3), one end of the condensation assembly is connected with the compressor (9) through a first pipeline, and the other end of the condensation assembly is communicated to the evaporation chamber (2) through a second pipeline.
2. Air conditioning apparatus according to claim 1, characterized in that said condensation assembly comprises a first condenser (4) and a second condenser (5) in series, said first condenser (4) being arranged at the bottom of said condensation chamber (3).
3. Air conditioning plant according to claim 2, characterized in that said first condenser (4) is connected to said compressor (9).
4. Air conditioning apparatus according to claim 3, characterized in that the first condenser (4) is adapted to cover the second air intake (8).
5. Air conditioning unit according to claim 4, characterized in that said second condenser (5) is arranged at said second outlet mouth (10).
6. Air conditioning unit according to any of claims 2 to 5, characterized in that an evaporator and a water pan are arranged in the evaporation chamber (2), said water pan being arranged below the evaporator;
the spraying device (6) is arranged in the condensation cavity (3) and is positioned above the first condenser (4); and the water inlet end of the spraying device (6) is communicated with the water outlet end of the water receiving tray through a third pipeline (7).
7. Air conditioning plant according to claim 6, characterized in that said first condenser (4) and/or said second condenser (5) are finned condensers.
8. The air conditioning apparatus according to any one of claims 1 to 5, characterized by further comprising:
and the air inlet grille is arranged at the second air inlet (8).
9. Air conditioning unit according to any of claims 1 to 5, characterized in that said second outlet mouth (10) opens on the side of said condensation chamber (3) remote from said evaporation chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111562574.4A CN114216170B (en) | 2021-12-20 | 2021-12-20 | Air conditioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111562574.4A CN114216170B (en) | 2021-12-20 | 2021-12-20 | Air conditioning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114216170A true CN114216170A (en) | 2022-03-22 |
| CN114216170B CN114216170B (en) | 2023-03-31 |
Family
ID=80704315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111562574.4A Active CN114216170B (en) | 2021-12-20 | 2021-12-20 | Air conditioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114216170B (en) |
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| CN209763339U (en) * | 2019-01-04 | 2019-12-10 | 西安工程大学 | Fresh air conditioning unit with defrosting function |
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| CN111746229A (en) * | 2020-07-15 | 2020-10-09 | 珠海格力电器股份有限公司 | Compact structure's on-vehicle air conditioner and vehicle |
| WO2021082509A1 (en) * | 2019-11-01 | 2021-05-06 | 宁波奥克斯电气股份有限公司 | Air conditioning system and method for controlling air conditioner frosting |
| CN213473133U (en) * | 2020-09-27 | 2021-06-18 | 比亚迪股份有限公司 | Vehicle air conditioning unit and have its rail vehicle |
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2021
- 2021-12-20 CN CN202111562574.4A patent/CN114216170B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050006528A (en) * | 2003-07-09 | 2005-01-17 | 삼성전자주식회사 | Refrigerator |
| CN1940410A (en) * | 2005-09-29 | 2007-04-04 | 乐金电子(天津)电器有限公司 | Outdoor unit of air conditioner |
| CN106839532A (en) * | 2017-03-24 | 2017-06-13 | 合肥天鹅制冷科技有限公司 | Air-conditioning system evaporator antifrost icing device |
| CN107631655A (en) * | 2017-10-18 | 2018-01-26 | 张少杰 | A kind of mine wellhead anti-freezing heater |
| CN209763339U (en) * | 2019-01-04 | 2019-12-10 | 西安工程大学 | Fresh air conditioning unit with defrosting function |
| CN110360687A (en) * | 2019-09-02 | 2019-10-22 | 北京纳源丰科技发展有限公司 | A kind of anti-freezing economical computer room heat pipe air conditioner system |
| CN210601989U (en) * | 2019-09-10 | 2020-05-22 | 广东美的制冷设备有限公司 | Mobile air conditioner |
| WO2021082509A1 (en) * | 2019-11-01 | 2021-05-06 | 宁波奥克斯电气股份有限公司 | Air conditioning system and method for controlling air conditioner frosting |
| CN111746229A (en) * | 2020-07-15 | 2020-10-09 | 珠海格力电器股份有限公司 | Compact structure's on-vehicle air conditioner and vehicle |
| CN213473133U (en) * | 2020-09-27 | 2021-06-18 | 比亚迪股份有限公司 | Vehicle air conditioning unit and have its rail vehicle |
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| Publication number | Publication date |
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| CN114216170B (en) | 2023-03-31 |
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