CN109130784A - A kind of dual system electric truck Air conditioner on car system of changes in temperature one - Google Patents
A kind of dual system electric truck Air conditioner on car system of changes in temperature one Download PDFInfo
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- CN109130784A CN109130784A CN201811186884.9A CN201811186884A CN109130784A CN 109130784 A CN109130784 A CN 109130784A CN 201811186884 A CN201811186884 A CN 201811186884A CN 109130784 A CN109130784 A CN 109130784A
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- 230000009977 dual effect Effects 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000005057 refrigeration Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000004378 air conditioning Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a kind of dual system electric truck Air conditioner on car system of changes in temperature one, integrate refrigeration mode and heating mode, it is made of the first system and second system, the first system is connected by indoor integral heat exchanger with outdoor integral heat exchanger with second system；The first system includes the first compressor, indoor integral heat exchanger, outdoor integral heat exchanger, the first three-phase shut-off valve, the second three-phase shut-off valve, third three-phase shut-off valve, the first expansion valve and the second expansion valve；Second system includes the second compressor, indoor integral heat exchanger, outdoor integral heat exchanger, the 4th three-phase shut-off valve, the 5th three-phase shut-off valve, the 6th three-phase shut-off valve, third expansion valve and the 4th expansion valve.The present invention realizes the function of changes in temperature one under the premise of guaranteeing energy-efficient in truck Air conditioner on car system, and heating system uses newest heat pump techniques, and pure electric vehicle Air conditioner on car system is enable to greatly save electric energy, extends cruising ability.
Description
Technical field
The present invention relates to Air conditioner on car technical fields, and in particular, to a kind of dual system electric truck of changes in temperature one is stayed
Vehicle air-conditioning system.
Background technique
After Air conditioner on car is truck parking, in the state of engine misses, a kind of environmental protection that can still use for a long time
Type pure electric vehicle air-conditioning system.Existing pure electric vehicle Air conditioner on car in the market, most of is single system, and can only realize Dan Leng
Function is unable to satisfy user demand.Based on above-mentioned the shortcomings of the prior art, this patent proposes a kind of truck of changes in temperature one
Dual system pure electric vehicle Air conditioner on car system, this is a kind of system that two compressors are used in an integrated unit, and this
Patent improves original single cooling system for changes in temperature one.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of dual system electric trucks of changes in temperature one to stay
Vehicle air-conditioning system, the present invention compare before single cold air conditioning system, guarantee it is energy-efficient under the premise of, in truck Air conditioner on car system
The function of changes in temperature one is realized on system, and heating system uses newest heat pump techniques, makes pure electric vehicle Air conditioner on car system
System can greatly save electric energy, extend cruising ability.
According to an aspect of the present invention, a kind of dual system electric truck Air conditioner on car system of changes in temperature one is provided, is collected
Refrigeration mode and heating mode are made of in one the first system and second system, and the first system and second system pass through
Indoor integral heat exchanger (2) and outdoor integral heat exchanger (3) connect；
The first system includes the first compressor (1), indoor integral heat exchanger (2), outdoor integral heat exchanger
(3), the first three-phase shut-off valve (4), the second three-phase shut-off valve (5), third three-phase shut-off valve (6), the first expansion valve (7) and
Two expansion valves (8)；
The second system includes the second compressor (9), indoor integral heat exchanger (2), outdoor integral heat exchanger
(3), the 4th three-phase shut-off valve (10), the 5th three-phase shut-off valve (11), the 6th three-phase shut-off valve (12), third expansion valve (13)
With the 4th expansion valve (14).
Preferably, the indoor integral heat exchanger (2) is divided into two parts, and mutually indepedent.
Preferably, the indoor integral heat exchanger (2) serves as the evaporator in system in cooling mode, is divided into first
Evaporator (21) and the second evaporator (22)；The interior integral heat exchanger (2) serves as the room in system under heating mode
Inner condenser is divided into the first indoor condenser (23) and second Room inner condenser (24).
Preferably, the outdoor integral heat exchanger (3) is divided into two parts, and mutually indepedent.
Preferably, the outdoor integral heat exchanger (3) serves as the condenser in system in cooling mode, is divided into first
Condenser (31) and the second condenser (32)；The outdoor integral heat exchanger (3) serves as the room in system under heating mode
Outer evaporator is divided into the first outdoor evaporator (33) and the second outdoor evaporator (34).
Preferably, the 3 phase shut-off valve includes the first import, first outlet and second outlet.
Preferably, the running route of the first system is successively in the refrigeration mode are as follows: the first compressor (1) passes through first
Three-phase shut-off valve (4), the second outlet of the first three-phase shut-off valve (4) is closed at this time, is connected to first by its first outlet
Condenser (31), then by the second three-phase shut-off valve (5), the second outlet of the second three-phase shut-off valve (5) is closed at this time, by
Its first outlet is connected to the first expansion valve (7), then is connected to the first evaporator (21), finally by third three-phase shut-off valve (6),
The second outlet of the third three-phase shut-off valve (6) is closed at this time, is connected to the first compressor (1) by its first outlet, is formed
Circulation loop.
Preferably, the running route of second system is successively in the refrigeration mode are as follows: the second compressor (9) passes through the 4th
Three-phase shut-off valve (10), the second outlet of the 4th three-phase shut-off valve (10) is closed at this time, is connected to the by its first outlet
Two condensers (32), then by the 5th three-phase shut-off valve (11), the second outlet of the 5th three-phase shut-off valve (11) is closed at this time
It closes, third expansion valve (13) is connected to by its first outlet, then be connected to the second evaporator (22), end finally by the 6th three-phase
Valve (12), the second outlet of the 6th three-phase shut-off valve (12) is closed at this time, is connected to the second compressor by its first outlet
(9), circulation loop is formed.
Preferably, the running route of the first system is successively in the heating mode are as follows: the first compressor (1) passes through first
Three-phase shut-off valve (4), the first outlet of the first three-phase shut-off valve (4) is closed at this time, is connected to first by its second outlet
Indoor condenser (23), then by third three-phase shut-off valve (6), the first outlet of the third three-phase shut-off valve (6) is closed at this time
It closes, the second expansion valve (8) is connected to by its second outlet, then be connected to the first outdoor evaporator (33), finally by the second three-phase
Shut-off valve (5), the first outlet of the second three-phase shut-off valve (5) is closed at this time, is connected to the first compression by its second outlet
Machine (1) forms circulation loop.
Preferably, the running route of second system is successively in the heating mode are as follows: the second compressor (9) passes through the 4th
Three-phase shut-off valve (10), the first outlet of the 4th three-phase shut-off valve (10) is closed at this time, is connected to the by its second outlet
Two indoor condensers (24), then by the 6th three-phase shut-off valve (12), the first of the 6th three-phase shut-off valve (12) goes out at this time
Mouth is closed, and the 4th expansion valve (14) is connected to by its second outlet, then be connected to the second outdoor evaporator (34), finally by the 5th
Three-phase shut-off valve (11), the first outlet of the five three-phases shut-off valve (11) is closed at this time, is connected to second by its second outlet
Compressor (9) forms circulation loop.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) the dual system electric truck Air conditioner on car system of changes in temperature one according to the present invention, the list before comparing
Cold air conditioning system realizes the function of changes in temperature one in truck Air conditioner on car system, and make under the premise of guaranteeing energy-efficient
Hot systems use newest heat pump techniques, and pure electric vehicle Air conditioner on car system is enable to greatly save electric energy, extend cruising ability；
(2) the dual system electric truck Air conditioner on car system of changes in temperature one according to the present invention, actively caters to market, full
The application range of itself product has also been enlarged in the demand of sufficient customer；
(3) the dual system electric truck Air conditioner on car system of changes in temperature one according to the present invention, structure is simple, designs
Ingenious, significant effect；
(4) the dual system electric truck Air conditioner on car system of changes in temperature one according to the present invention meets a variety of using need
It asks, it is flexible and changeable, it is practical；
(5) the dual system electric truck Air conditioner on car system of changes in temperature one according to the present invention, in an integrated unit
Middle to use two compressors, stable, refrigeration and heating effect is good；
(6) the dual system electric truck Air conditioner on car system of changes in temperature one according to the present invention, easy to process and assembly,
It installs simple and convenient；
(7) the dual system electric truck Air conditioner on car system of changes in temperature one according to the present invention, compact-sized, cost
Low, long service life is suitable for large-scale promotion.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the component connection schematic diagram of the dual system electric truck Air conditioner on car system of changes in temperature one；
Fig. 2 is the refrigeration mode schematic diagram of the dual system electric truck Air conditioner on car system of changes in temperature one；
Fig. 3 is the heating pattern diagram of the dual system electric truck Air conditioner on car system of changes in temperature one；
In Fig. 1,2 and 3: 1 is the first compressor, 2 be indoor integral heat exchanger, 3 be outdoor integral heat exchanger, 4 be
First three-phase shut-off valve, 5 be the second three-phase shut-off valve, 6 be third three-phase shut-off valve, 7 be the first expansion valve, 8 be the second expansion
Valve, 9 be paper tube, 10 be the 4th three-phase shut-off valve, 11 be the 5th three-phase shut-off valve, 12 be the 6th three-phase shut-off valve, 13 be third
Expansion valve, 14 be the 4th expansion valve, 21 be the first evaporator, 22 be the second evaporator, 23 be the first indoor condenser, 24 be the
Two indoor condensers, 31 be the first condenser, 32 be the second condenser, 33 be the first outdoor evaporator, 34 be to be steamed outside second Room
Send out device.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Embodiment
The present embodiment provides a kind of dual system electric truck Air conditioner on car system of changes in temperature one, structure is detailed in attached drawing 1
Shown, refrigeration mode and heating mode difference are as shown in Fig. 2 and 3: integrating refrigeration mode and heating mode, by the first system
System and second system composition, the first system and second system pass through indoor integral heat exchanger 2 and outdoor integral type heat exchange
Device 3 connects；
The first system includes the first compressor 1, indoor integral heat exchanger 2, outdoor integral heat exchanger 3, first
Three-phase shut-off valve 4, the second three-phase shut-off valve 5, third three-phase shut-off valve 6, the first expansion valve 7 and the second expansion valve 8；
The second system includes the second compressor 9, indoor integral heat exchanger 2, outdoor integral heat exchanger the 3, the 4th
Three-phase shut-off valve 10, the 5th three-phase shut-off valve 11, the 6th three-phase shut-off valve 12, third expansion valve 13 and the 4th expansion valve 14.
Further, the indoor integral heat exchanger 2 divides for two parts, and mutually indepedent.
Further, the indoor integral heat exchanger 2 serves as the evaporator in system in cooling mode, is divided into first
Evaporator 21 and the second evaporator 22；The interior integral heat exchanger 2 serves as the indoor condensation in system under heating mode
Device is divided into the first indoor condenser 23 and second Room inner condenser 24.
Further, the outdoor integral heat exchanger 3 divides for two parts, and mutually indepedent.
Further, the outdoor integral heat exchanger 3 serves as the condenser in system in cooling mode, is divided into first
Condenser 31 and the second condenser 32；The outdoor integral heat exchanger 3 serves as the outdoor evaporation in system under heating mode
Device is divided into the first outdoor evaporator 33 and the second outdoor evaporator 34.
Further, the 3 phase shut-off valve includes the first import, first outlet and second outlet.
Further, the running route of the first system is successively in the refrigeration mode are as follows: the first compressor 1 passes through first
Three-phase shut-off valve 4, the second outlet of the first three-phase shut-off valve 4 is closed at this time, is connected to the first condensation by its first outlet
Device 31, then by the second three-phase shut-off valve 5, the second outlet of the second three-phase shut-off valve 5 is closed at this time, by its first outlet
It is connected to the first expansion valve 7, then is connected to the first evaporator 21, finally by third three-phase shut-off valve 6, the third three-phase at this time
The second outlet of shut-off valve 6 is closed, and is connected to the first compressor 1 by its first outlet, is formed circulation loop.
Further, the running route of second system is successively in the refrigeration mode are as follows: the second compressor 9 passes through the 4th
Three-phase shut-off valve 10, the second outlet of the 4th three-phase shut-off valve 10 is closed at this time, and it is cold to be connected to second by its first outlet
Condenser 32, then by the 5th three-phase shut-off valve 11, the second outlet of the 5th three-phase shut-off valve 11 is closed at this time, by its first
Outlet is connected to third expansion valve 13, then is connected to the second evaporator 22, described at this time finally by the 6th three-phase shut-off valve 12
The second outlet of 6th three-phase shut-off valve 12 is closed, and is connected to the second compressor 9 by its first outlet, is formed circulation loop.
Further, the running route of the first system is successively in the heating mode are as follows: the first compressor 1 passes through first
Three-phase shut-off valve 4, the first outlet of the first three-phase shut-off valve 4 is closed at this time, is connected to the first interior by its second outlet
Condenser 23, then by third three-phase shut-off valve 6, the first outlet of the third three-phase shut-off valve 6 is closed at this time, by its second
Outlet is connected to the second expansion valve 8, then is connected to the first outdoor evaporator 33, described at this time finally by the second three-phase shut-off valve 5
The first outlet of second three-phase shut-off valve 5 is closed, and is connected to the first compressor 1 by its second outlet, is formed circulation loop.
Further, the running route of second system is successively in the heating mode are as follows: the second compressor 9 passes through the 4th
Three-phase shut-off valve 10, the first outlet of the 4th three-phase shut-off valve 10 is closed at this time, is connected to second Room by its second outlet
Inner condenser 24, then by the 6th three-phase shut-off valve 12, the first outlet of the 6th three-phase shut-off valve 12 is closed at this time, by it
Second outlet is connected to the 4th expansion valve 14, then is connected to the second outdoor evaporator 34, finally by the 5th three-phase shut-off valve 11, this
The first outlet of five three-phase shut-off valve 11 of Shi Suoshu is closed, and is connected to the second compressor 9 by its second outlet, formation is recycled back to
Road.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of dual system electric truck Air conditioner on car system of changes in temperature one, which is characterized in that collection refrigeration mode and heating mould
Formula is made of in one the first system and second system, and the first system and second system pass through indoor integral heat exchanger
(2) it is connected with outdoor integral heat exchanger (3)；
The first system includes the first compressor (1), indoor integral heat exchanger (2), outdoor integral heat exchanger (3), the
One three-phase shut-off valve (4), the second three-phase shut-off valve (5), third three-phase shut-off valve (6), the first expansion valve (7) and the second expansion valve
(8)；
The second system includes the second compressor (9), indoor integral heat exchanger (2), outdoor integral heat exchanger (3), the
Four three-phase shut-off valves (10), the 5th three-phase shut-off valve (11), the 6th three-phase shut-off valve (12), third expansion valve (13) and the 4th are swollen
Swollen valve (14).
2. the dual system electric truck Air conditioner on car system of changes in temperature one according to claim 1, which is characterized in that described
Indoor integral heat exchanger (2) is divided into two parts, and mutually indepedent.
3. the dual system electric truck Air conditioner on car system of changes in temperature one according to claim 2, which is characterized in that described
Indoor integral heat exchanger (2) serves as the evaporator in system in cooling mode, is divided into the first evaporator (21) and second and steams
It sends out device (22)；The interior integral heat exchanger (2) serves as the indoor condenser in system under heating mode, is divided into the first Room
Inner condenser (23) and second Room inner condenser (24).
4. the dual system electric truck Air conditioner on car system of changes in temperature one according to claim 3, which is characterized in that described
Outdoor integral heat exchanger (3) is divided into two parts, and mutually indepedent.
5. the dual system electric truck Air conditioner on car system of changes in temperature one according to claim 4, which is characterized in that described
Outdoor integral heat exchanger (3) serves as the condenser in system in cooling mode, is divided into the first condenser (31) and second cold
Condenser (32)；The outdoor integral heat exchanger (3) serves as the outdoor evaporator in system under heating mode, is divided into the first Room
Outer evaporator (33) and the second outdoor evaporator (34).
6. the dual system electric truck Air conditioner on car system of changes in temperature one according to claim 5, which is characterized in that described
3 phase shut-off valves include the first import, first outlet and second outlet.
7. the dual system electric truck Air conditioner on car system of changes in temperature one according to claim 6, which is characterized in that described
The running route of the first system is successively in refrigeration mode are as follows: the first compressor (1), by the first three-phase shut-off valve (4), and institute at this time
The second outlet for stating the first three-phase shut-off valve (4) is closed, and is connected to the first condenser (31) by its first outlet, then passes through second
Three-phase shut-off valve (5), the second outlet of the second three-phase shut-off valve (5) is closed at this time, is connected to first by its first outlet
Expansion valve (7), then the first evaporator (21) are connected to, finally by third three-phase shut-off valve (6), at this time the third three-phase cut-off
The second outlet of valve (6) is closed, and is connected to the first compressor (1) by its first outlet, and circulation loop is formed.
8. the dual system electric truck Air conditioner on car system of changes in temperature one according to claim 6, which is characterized in that described
The running route of second system is successively in refrigeration mode are as follows: the second compressor (9), by the 4th three-phase shut-off valve (10), at this time
The second outlet of the 4th three-phase shut-off valve (10) is closed, and is connected to the second condenser (32) by its first outlet, then pass through
5th three-phase shut-off valve (11), the second outlet of the 5th three-phase shut-off valve (11) is closed at this time, is connected by its first outlet
To third expansion valve (13), then the second evaporator (22) are connected to, finally by the 6th three-phase shut-off valve (12), at this time the described 6th
The second outlet of three-phase shut-off valve (12) is closed, and is connected to the second compressor (9) by its first outlet, and circulation loop is formed.
9. the dual system electric truck Air conditioner on car system of changes in temperature one according to claim 6, which is characterized in that described
The running route of the first system is successively in heating mode are as follows: the first compressor (1), by the first three-phase shut-off valve (4), and institute at this time
The first outlet for stating the first three-phase shut-off valve (4) is closed, and is connected to the first indoor condenser (23) by its second outlet, then pass through
Third three-phase shut-off valve (6), the first outlet of the third three-phase shut-off valve (6) is closed at this time, is connected to by its second outlet
Second expansion valve (8), then be connected to the first outdoor evaporator (33), finally by the second three-phase shut-off valve (5), at this time described second
The first outlet of three-phase shut-off valve (5) is closed, and is connected to the first compressor (1) by its second outlet, and circulation loop is formed.
10. the dual system electric truck Air conditioner on car system of changes in temperature one according to claim 6, which is characterized in that institute
State the running route of second system in heating mode successively are as follows: the second compressor (9), by the 4th three-phase shut-off valve (10), this
The first outlet of the 4th three-phase shut-off valve (10) of Shi Suoshu is closed, and is connected to second Room inner condenser (24) by its second outlet,
Again by the 6th three-phase shut-off valve (12), the first outlet of the 6th three-phase shut-off valve (12) is closed at this time, second is gone out by it
Mouthful it is connected to the 4th expansion valve (14), then is connected to the second outdoor evaporator (34), finally by the 5th three-phase shut-off valve (11), this
The first outlet of five three-phase shut-off valve (11) of Shi Suoshu is closed, and is connected to the second compressor (9) by its second outlet, and circulation is formed
Circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186884.9A CN109130784A (en) | 2018-10-12 | 2018-10-12 | A kind of dual system electric truck Air conditioner on car system of changes in temperature one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186884.9A CN109130784A (en) | 2018-10-12 | 2018-10-12 | A kind of dual system electric truck Air conditioner on car system of changes in temperature one |
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| CN109130784A true CN109130784A (en) | 2019-01-04 |
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| CN201811186884.9A Pending CN109130784A (en) | 2018-10-12 | 2018-10-12 | A kind of dual system electric truck Air conditioner on car system of changes in temperature one |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677733A (en) * | 2021-02-23 | 2021-04-20 | 安徽赛超电器有限公司 | Integrative truck dual system electricelectric moves parking air conditioning system of changes in temperature |
| CN113465060A (en) * | 2021-07-02 | 2021-10-01 | 广东海悟科技有限公司 | Heat exchanger |
| CN114290868A (en) * | 2021-04-28 | 2022-04-08 | 海信集团控股股份有限公司 | Automobile and air conditioner |
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