CN210718224U - Parallel flow type multi-flow automobile air conditioner evaporator - Google Patents
Parallel flow type multi-flow automobile air conditioner evaporator Download PDFInfo
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- CN210718224U CN210718224U CN201921615744.9U CN201921615744U CN210718224U CN 210718224 U CN210718224 U CN 210718224U CN 201921615744 U CN201921615744 U CN 201921615744U CN 210718224 U CN210718224 U CN 210718224U
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- collecting pipe
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- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 12
- 238000004378 air conditioning Methods 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 206010034203 Pectus Carinatum Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a parallel flow formula multiple flow process vehicle air conditioner evaporimeter, including first pressure manifold, second pressure manifold, third pressure manifold, fourth pressure manifold, first baffle and second baffle, first baffle is inserted and is established in first pressure manifold and the second pressure manifold, first baffle separates into first cavity and the second cavity that do not communicate each other with first pressure manifold, first cavity and inlet intercommunication, be provided with a plurality of first flow equalizing plates in the first cavity, a plurality of the through flow volume of first flow equalizing plate reduces along the refrigerant flow direction; the second partition plate is inserted into the third collecting pipe; and a plurality of connecting pipes are arranged between the first collecting pipe and the second collecting pipe, one end of each connecting pipe is communicated with the second cavity, and the other end of each connecting pipe is communicated with the second collecting pipe. The temperature difference of the heat exchange surface of the core body is small, and the heat exchange effect is high.
Description
Technical Field
The utility model relates to an evaporimeter technical field, concretely relates to parallel flow formula multiple flow vehicle air conditioner evaporimeter.
Background
Along with the improvement of the requirements of people on the comfort of the environment in the automobile and the compactness of the space in the automobile, the heat exchanger for the automobile air conditioner is more and more valued by people. The performance of the air conditioner evaporator for the vehicle, which is used as a component for directly providing cooling capacity and adjusting humidity in the vehicle, has a crucial influence on the comfort of the environment in the vehicle. Automotive air conditioning systems are particularly demanding on evaporators, since the mounting controls under the dashboard of an automobile are very compact, requiring that a heat exchanger per unit volume must provide a sufficiently large amount of heat exchange, i.e., the evaporator must be compact and efficient. Compared with the traditional laminated evaporator, the micro-channel parallel flow evaporator has the advantages of small volume and large unit heat exchange capacity, and has become the development trend of the automobile air conditioner evaporator.
The conventional parallel flow evaporator has single flow layout design and no throttling design, and the cold medium is unevenly distributed in the flow channel under the working condition. The temperature difference of the heat exchange surface of the core body is large, and the heat exchange effect is low.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a parallel flow formula multiple flow vehicle air conditioner evaporimeter, its core heat transfer surface difference in temperature is little, and the heat transfer effect is high.
In order to solve the technical problem, the utility model provides a parallel flow formula multiple flow is car air conditioner evaporimeter, including first pressure manifold, second pressure manifold, third pressure manifold, fourth pressure manifold, first baffle and second baffle, first pressure manifold and second pressure manifold parallel arrangement, third pressure manifold and fourth pressure manifold parallel arrangement, be provided with first flat pipe array between first pressure manifold and the third pressure manifold, first flat pipe array includes a plurality of first flat pipes that set up in parallel, the one end of first flat pipe communicates with first pressure manifold, the other end of first flat pipe communicates with third pressure manifold; a second flat pipe array is arranged between the fourth collecting pipe and the second collecting pipe, the second flat pipes comprise a plurality of second flat pipes which are arranged in parallel, one end of each second flat pipe is communicated with the second collecting pipe, and the other end of each second flat pipe is communicated with the fourth collecting pipe; the left end part of the first collecting pipe is provided with a liquid inlet, the left end part of the second collecting pipe is provided with a gas outlet,
the first collecting pipe is inserted into the first collecting pipe and the second collecting pipe, the first collecting pipe is divided into a first cavity and a second cavity which are not communicated with each other by the first partition board, the first cavity is communicated with the liquid inlet, a plurality of first flow equalizing plates are arranged in the first cavity, and the flow rate of the first flow equalizing plates is reduced along the flowing direction of the refrigerant; the second partition plate is inserted into the third collecting pipe;
and a plurality of connecting pipes are arranged between the first collecting pipe and the second collecting pipe, one end of each connecting pipe is communicated with the second cavity, and the other end of each connecting pipe is communicated with the second collecting pipe.
Preferably, the first partition plate divides the second collecting pipe into a third cavity and a fourth cavity which are not communicated with each other, a plurality of second flow equalizing plates are arranged in the fourth cavity, and the flow rates of the plurality of second flow equalizing plates are reduced along the flowing direction of the refrigerant.
Preferably, the second partition plate divides the third collecting pipe into a fifth cavity and a sixth cavity which are not communicated with each other, the fifth cavity is communicated with the first cavity through the first flat pipe, and a plurality of third flow equalizing plates are arranged in the fifth cavity.
Preferably, the volume of the sixth cavity is smaller than that of the fifth cavity, and the volume of the sixth cavity is smaller than that of the second cavity.
Preferably, the flow rate of the plurality of third flow equalizing plates decreases in the refrigerant flow direction.
Preferably, the connecting tube has two.
Preferably, the volume of the second cavity is smaller than the volume of the first cavity.
Preferably, the first header and the second header are located at the same horizontal plane, the third header and the fourth header are located at the same horizontal plane, and the first header is located below the third header.
The utility model has the advantages that:
1. the utility model discloses be provided with first baffle and second baffle, first baffle is inserted and is established in first pressure manifold and second pressure manifold, and the second baffle is inserted and is established in the third pressure manifold, so, separate into a plurality of processes with the pressure manifold, and be provided with a plurality of first flow equalizing plates in the first cavity, can control the flow of coolant liquid, make the coolant liquid flow slowly, thereby make the coolant liquid fully carry out the heat exchange with the external world;
2. the utility model discloses in, the through-flow volume that first flow equalization board flows reduces along refrigerant flow direction, to the change of the through-flow volume that every first flow equalization board flows, can the flow variation of effective control coolant liquid in the collector pipe for each microchannel flow is more even in the single flow, and the average difference in temperature of whole heat-transfer face is little, thereby promotes heat transfer performance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a first header, a second header, a third header and a fourth header; the structure of the first collecting pipe and the structure of the second collecting pipe are shown in the specification, wherein (a) is a structure schematic diagram of the first collecting pipe and the second collecting pipe, and (b) is a structure schematic diagram of the third collecting pipe and the fourth collecting pipe;
fig. 3 is a schematic flow chart of the refrigerant in the present invention.
The reference numbers in the figures illustrate: 10. a first header; 11. a liquid inlet; 12. a first cavity; 13. a second cavity; 20. a second header; 21. an air outlet; 22. a third cavity; 23. a fourth cavity; 30. a third header pipe; 31. a fifth cavity; 32. a sixth cavity; 40. a fourth header pipe; 41. a fourth flow equalizing pipe; 50. A second array of flat tubes; 60. a first separator; 61. a second separator; 62. a first flow equalizing plate; 63. a second flow equalizing plate; 64. a third flow equalizing plate; 65. a connecting pipe; 70. a first mounting bracket; 71. a second mounting bracket.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1-3, the present invention discloses a parallel flow type multi-flow automobile air conditioner evaporator, which comprises a first collecting pipe 10, a second collecting pipe 20, a third collecting pipe 30, a fourth collecting pipe 40, a first partition plate 60 and a second partition plate 61. The first header 10 is arranged in parallel with the second header 20, and the third header 30 is arranged in parallel with the fourth header 40. The first header 10 and the second header 20 are disposed within a first mount 70, and the third header 30 and the fourth chicken breast tube are disposed within a second mount 71.
Be provided with first flat pipe array between first pressure manifold 10 and the third pressure manifold 30, first flat pipe array includes a plurality of parallel arrangement's first flat pipe, the one end and the first pressure manifold 10 intercommunication of first flat pipe, the other end and the third pressure manifold 30 intercommunication of first flat pipe. Be provided with the flat pipe array of second 50 between fourth pressure manifold 40 and the second pressure manifold 20, the flat pipe of second includes a plurality of parallel arrangement's the flat pipe of second, and the one end and the second pressure manifold 20 intercommunication of the flat pipe of second, the other end and the fourth pressure manifold 40 intercommunication of the flat pipe of second. The left end of the first collecting pipe 10 is provided with a liquid inlet 11, and the left end of the second collecting pipe 20 is provided with a gas outlet 21. The refrigerant fluid enters the first collecting pipe 10 from the fluid inlet 11, changes into a gas phase after flowing through the interior of the evaporator, and is discharged from the gas outlet 21 of the second collecting pipe 20.
The first separating plate 60 is inserted into the first collecting pipe 10 and the second collecting pipe 20, the first separating plate 60 separates the first collecting pipe 10 into a first cavity 12 and a second cavity 13 which are not communicated with each other, the first cavity 12 is communicated with the liquid inlet 11, a plurality of first flow equalizing plates 62 are arranged in the first cavity 12, and the flow rate of the first flow equalizing plates 62 is reduced along the flowing direction of the refrigerant. Specifically, a plurality of through holes are formed in each first flow equalizing plate 62, and the number of the through holes in each first flow equalizing plate 62 is reduced along the flow direction of the refrigerant, so that the flow rate of the first flow equalizing plate 62 can be controlled to be reduced along the flow direction of the refrigerant.
A second partition 61 is interposed in the third header 30.
A plurality of connecting pipes 65 are arranged between the first collecting pipe 10 and the second collecting pipe 20, one end of each connecting pipe 65 is communicated with the second cavity 13, and the other end of each connecting pipe 65 is communicated with the second collecting pipe 20. The connecting pipe 65 may realize direct communication between the second chamber 13 and the second header 20.
The conventional parallel flow evaporator has single flow layout design and no throttling design, and the cold medium is unevenly distributed in the flow channel under the working condition. The temperature difference of the heat exchange surface of the core body is large, and the heat exchange effect is low. The utility model discloses in, through first baffle 60 and second baffle 61, can realize the many processes of coolant liquid parallel flow. The first flow equalizing plate 62 is designed to control the flow of the cooling fluid, so that the cooling fluid flows slowly, and the cooling fluid is fully heat-exchanged with the outside. And for the change of the through flow of each first flow equalizing plate 62, the flow change of the cooling liquid in the collecting pipe can be effectively controlled, so that the flow of each micro-channel in a single flow is uniform, and the average temperature difference of the whole heat exchange surface is small.
The first partition plate 60 divides the second collecting pipe 20 into a third cavity 22 and a fourth cavity 23 which are not communicated with each other, a plurality of second flow equalizing plates 63 are arranged in the fourth cavity 23, and the flow rate of the plurality of second flow equalizing plates 63 decreases along the flowing direction of the refrigerant. Similarly, each second flow equalizing plate 63 is provided with a plurality of through holes, and the number of the through holes of each second flow equalizing plate 63 decreases along the flowing direction of the refrigerant, so that the flow rate of the second flow equalizing plate 63 can be controlled to decrease along the flowing direction of the refrigerant. Thereby realizing uniform flow of each micro-channel in the fourth cavity 23. The coolant is a cooling liquid.
The second partition board 61 divides the third collecting pipe 30 into a fifth cavity 31 and a sixth cavity 32 which are not communicated with each other, the fifth cavity 31 is communicated with the first cavity 12 through a first flat pipe, and a plurality of third flow equalizing plates 64 are arranged in the fifth cavity 31. The volume of the sixth cavity 32 is smaller than that of the fifth cavity 31, and the volume of the sixth cavity 32 is smaller than that of the second cavity 13.
The flow rate of the third flow equalizing plates 64 decreases in the refrigerant flow direction. The connection pipe 65 has two. The volume of the second cavity 13 is smaller than the volume of the first cavity 12. As shown in fig. 3, it is a schematic flow chart of the refrigerant in the present invention.
The first header 10 and the second header 20 are located at the same horizontal plane, the third header 30 and the fourth header 40 are located at the same horizontal plane, and the first header 10 is located at the lower side of the third header 30.
The utility model provides a whole heat transfer surface average temperature difference of evaporimeter is little, so, the utility model provides an evaporimeter heat exchange efficiency is higher, and the refrigerant noise reduction that flows.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. A parallel flow type multi-flow automobile air conditioner evaporator comprises a first collecting pipe, a second collecting pipe, a third collecting pipe, a fourth collecting pipe, a first partition plate and a second partition plate, wherein the first collecting pipe and the second collecting pipe are arranged in parallel, the third collecting pipe and the fourth collecting pipe are arranged in parallel, a first flat pipe array is arranged between the first collecting pipe and the third collecting pipe, the first flat pipe array comprises a plurality of first flat pipes which are arranged in parallel, one end of each first flat pipe is communicated with the first collecting pipe, and the other end of each first flat pipe is communicated with the third collecting pipe; a second flat pipe array is arranged between the fourth collecting pipe and the second collecting pipe, the second flat pipes comprise a plurality of second flat pipes which are arranged in parallel, one end of each second flat pipe is communicated with the second collecting pipe, and the other end of each second flat pipe is communicated with the fourth collecting pipe; the left end part of the first collecting pipe is provided with a liquid inlet, the left end part of the second collecting pipe is provided with a gas outlet,
the first collecting pipe is inserted into the first collecting pipe and the second collecting pipe, the first collecting pipe is divided into a first cavity and a second cavity which are not communicated with each other by the first partition board, the first cavity is communicated with the liquid inlet, a plurality of first flow equalizing plates are arranged in the first cavity, and the flow rate of the first flow equalizing plates is reduced along the flowing direction of the refrigerant; the second partition plate is inserted into the third collecting pipe;
and a plurality of connecting pipes are arranged between the first collecting pipe and the second collecting pipe, one end of each connecting pipe is communicated with the second cavity, and the other end of each connecting pipe is communicated with the second collecting pipe.
2. The parallel-flow multi-flow automotive air conditioning evaporator according to claim 1, wherein the first partition plate divides the second header into a third cavity and a fourth cavity which are not communicated with each other, and a plurality of second flow equalizing plates are disposed in the fourth cavity, and the flow rates of the plurality of second flow equalizing plates decrease along the refrigerant flowing direction.
3. The parallel-flow multi-flow automotive air conditioning evaporator according to claim 1, wherein the second partition plate divides the third collecting pipe into a fifth cavity and a sixth cavity which are not communicated with each other, the fifth cavity is communicated with the first cavity through a first flat pipe, and a plurality of third flow equalizing plates are arranged in the fifth cavity.
4. The parallel-flow multi-flow automotive air conditioning evaporator of claim 3, wherein the volume of the sixth chamber is smaller than the volume of the fifth chamber, and the volume of the sixth chamber is smaller than the volume of the second chamber.
5. The parallel-flow multiple-pass automotive air conditioning evaporator as recited in claim 3, wherein the flow rate of a plurality of said third flow equalizing plates decreases in the direction of refrigerant flow.
6. The parallel flow multiple pass automotive air conditioning evaporator of claim 1, wherein said connecting tubes are two in number.
7. The parallel flow, multi-pass automotive air conditioning evaporator of claim 1, wherein the volume of said second chamber is less than the volume of said first chamber.
8. The parallel flow, multi-pass automotive air conditioning evaporator of claim 1, wherein said first header and said second header are at the same level, said third header and said fourth header are at the same level, and said first header is located on the underside of said third header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921615744.9U CN210718224U (en) | 2019-09-26 | 2019-09-26 | Parallel flow type multi-flow automobile air conditioner evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921615744.9U CN210718224U (en) | 2019-09-26 | 2019-09-26 | Parallel flow type multi-flow automobile air conditioner evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210718224U true CN210718224U (en) | 2020-06-09 |
Family
ID=70933778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921615744.9U Active CN210718224U (en) | 2019-09-26 | 2019-09-26 | Parallel flow type multi-flow automobile air conditioner evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210718224U (en) |
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2019
- 2019-09-26 CN CN201921615744.9U patent/CN210718224U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230601 Address after: 213176 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: CHANGZHOU HENGCHUANG HEAT MANAGEMENT Co.,Ltd. Address before: 213000 Li Jia Zhen Li Mao Lu, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU CHANGFA REFRIGERATION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 213176 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Hengchuang Thermal Management System Co.,Ltd. Country or region after: China Address before: 213176 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU HENGCHUANG HEAT MANAGEMENT Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |