CN203572101U - Parallel flow evaporator used for automobile air conditioner - Google Patents
Parallel flow evaporator used for automobile air conditioner Download PDFInfo
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- CN203572101U CN203572101U CN201320600159.8U CN201320600159U CN203572101U CN 203572101 U CN203572101 U CN 203572101U CN 201320600159 U CN201320600159 U CN 201320600159U CN 203572101 U CN203572101 U CN 203572101U
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- dividing plate
- lower header
- partition
- hole
- parallel
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Abstract
A parallel flow evaporator used for an automobile air conditioner comprises an upper header pipe set and a lower header pipe set, wherein the upper header pipe set comprises two parallel upper header pipes arranged front and back; the lower header pipe set comprises two parallel lower header pipes arranged front and back; the upper header pipe set and the lower header pipe set are parallel; two or more micro-channel flat pipes are connected between any one upper header pipe and the lower header pipe below the upper header pipe; at least one lower header pipe in the lower header pipe set is internally provided with a first partition board; the plane of the first partition board is perpendicular to the axial direction or the flowing direction of the lower header pipes; the first partition board is provided with two or more through holes. The porous partition board is arranged in at least one lower header pipe of the parallel flow evaporator used for the automobile air conditioner, so that the channel section is increased, flowing resistance of refrigerants in the header pipes is reduced remarkably, the refrigerants are prevented from being eddied when flowing through a single-hole partition board, and the heat exchange efficiency of the refrigerants is improved.
Description
Technical field:
The utility model relates to mechanical field, relates in particular to refrigerating machine, particularly heat exchanger of automobile air-conditioner, and concrete is a kind of parallel-flow evaporator for air conditioning for automobiles.
Background technology:
Evaporimeter is the critical component in refrigeration system.In prior art, the current-sharing dividing plate that is used for the parallel-flow evaporator of air conditioning for automobiles adopts single hole form, in service in refrigeration system, because channel cross-section is less than normal, cold-producing medium forms eddy current when flowing through single hole dividing plate, increase the flow resistance of cold-producing medium, affected the evaporation of cold-producing medium, finally reduced the refrigeration of evaporimeter.
Summary of the invention:
The purpose of this utility model is to provide a kind of parallel-flow evaporator for air conditioning for automobiles, and the described this parallel-flow evaporator for air conditioning for automobiles will solve the larger technical problem of flow of refrigerant resistance in the parallel-flow evaporator of prior art car air-conditioner.
This parallel-flow evaporator for air conditioning for automobiles of the present utility model, comprise a upper header group and a lower header group, described upper header group comprises the upper header that two front and back are set up in parallel, described lower header group comprises the lower header that two front and back are set up in parallel, upper header group and lower header group be arranged in parallel, on any one, between header and the lower header of its below, be all provided with separately the micro-channel flat of more than two number, the lower header that the upper header that micro-channel flat described in any one is all connected with its upper end and its lower end connect is communicated with, in at least one lower header in lower header group, be provided with first dividing plate, the plane of the first described dividing plate is with the axial of lower header or flow to vertical, wherein, in the first described dividing plate, be provided with the through hole of more than two number.
Further, described through hole comprises the periphery hole of a centre bore and more than two number, and described periphery hole is arranged along an even circumferential, and described circumference is coaxial with described centre bore.
Further, the diameter of centre bore is greater than the diameter of periphery hole.
Further, the outline of the first dividing plate is D type.
Further, in at least one lower header in lower header group, be provided with a second partition, in described second partition, be provided with the through hole of more than two number, in second partition, have at least the diameter of a through hole to be greater than the diameter of the maximum gauge through hole in the first dividing plate.
Further, through hole in the first dividing plate comprises the first dividing plate periphery hole of a first dividing plate centre bore and more than two number, the first described dividing plate periphery hole is arranged along an even circumferential, this circumference in the first dividing plate is coaxial with the first described dividing plate centre bore, the diameter of the first dividing plate centre bore is greater than the diameter of the first dividing plate periphery hole, through hole in second partition comprises the second partition periphery hole of a second partition centre bore and more than two number, described second partition periphery hole is arranged along an even circumferential, this circumference in second partition is coaxial with described second partition centre bore, the diameter of second partition centre bore is greater than the diameter of second partition periphery hole, the diameter of second partition centre bore is greater than the diameter of the first dividing plate centre bore, the diameter of second partition periphery hole is greater than the diameter of the first dividing plate periphery hole.
Further, identical one end of two upper headers is provided with blanking cover separately, on one of them, the other end of header is provided with refrigerant inlet, on another, the other end of header is provided with refrigerant outlet, the two ends of two lower header are provided with blanking cover, in two upper headers, be provided with separately reversing plate, two upper headers are communicated with at the rear of its reversing plate, the side that upper header group arranges refrigerant inlet and refrigerant outlet at it is provided with the pressing plate with refrigerant inlet interface and refrigerant outlet interface, between two micro-channel flat of arbitrary neighborhood, be provided with fin, outermost two micro-channel flat are provided with side plate outward separately, the top of side plate is fixedly connected with upper header, the bottom of side plate is fixedly connected with lower header.
Operation principle of the present utility model is: the gas that coolant media becomes HTHP through compressor compresses enters after condenser by pipeline, heat release is condensed into the liquid of cryogenic high pressure, liquid is by after expansion valve throttling, flows into the evaporimeter evaporation of absorb heat, the overheated gas of formation low-pressure low-temperature; Because refrigerant evaporation needs heat absorption, make to be pulled away by the airborne heat of evaporator external, thereby air side temperature is reduced, reach refrigeration, and the overheated gas of low-pressure low-temperature enters compressor formation circulation.Coolant media is when flowing through dividing plate, be multi beam fluidization tower and pass through dividing plate, first pass through the first dividing plate that through-hole diameter is less, the slightly large second partition of through-hole diameter of flowing through again, compares original single hole dividing plate, and the channel cross-section of porous barrier is larger, thereby reduced the circulating resistance of refrigerant, accelerate the evaporation rate of refrigerant in evaporator core, thereby improved the refrigerating capacity of air-conditioning system, increased heat exchange efficiency.
The utility model and prior art are compared, and its effect is actively with obvious.The utility model is provided with porous barrier in the lower header of the parallel-flow evaporator of car air-conditioner, increased channel cross-section, the flow resistance of cold-producing medium in header has obvious reduction, and avoided cold-producing medium to form eddy current when flowing through single hole dividing plate, improved the heat exchange efficiency of cold-producing medium.
Accompanying drawing explanation:
Fig. 1 is the structural representation of the parallel-flow evaporator for air conditioning for automobiles of the present utility model.
Fig. 2 is the structural representation of overlooking direction of the upper header group of the parallel-flow evaporator for air conditioning for automobiles of the present utility model.
Fig. 3 is the structural representation of looking up direction of the lower header group of the parallel-flow evaporator for air conditioning for automobiles of the present utility model.
Fig. 4 is the left view of the parallel-flow evaporator for air conditioning for automobiles of the present utility model.
Fig. 5 is the structural representation of the first dividing plate of the parallel-flow evaporator for air conditioning for automobiles of the present utility model.
Fig. 6 is the structural representation of the second partition of the parallel-flow evaporator for air conditioning for automobiles of the present utility model.
The specific embodiment:
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, parallel-flow evaporator for air conditioning for automobiles of the present utility model, comprise a upper header group and a lower header group, described upper header group comprises the upper header 1 that two front and back are set up in parallel, described lower header group comprises the lower header 2 that two front and back are set up in parallel, upper header group and lower header group be arranged in parallel, on any one, between header 1 and the lower header 2 of its below, be all provided with separately the micro-channel flat 3 of more than two number, the lower header 2 that the upper header 1 that micro-channel flat 3 described in any one is all connected with its upper end and lower end connect is communicated with, in at least one lower header 2 in lower header group, be provided with first dividing plate 7, the plane of the first described dividing plate 7 is with the axial of lower header 2 or flow to vertical, wherein, in the first described dividing plate 7, be provided with the first through hole of more than two number.
Further, the first described through hole comprises the first periphery hole 72 of first centre bore 71 and more than two number, and the first described periphery hole 72 is take the first centre bore 71 as center of circle annular array.
Further, the diameter of the first centre bore 71 is greater than the diameter of the first periphery hole 72.
Further, in at least one lower header 2 in lower header group, be provided with a second partition 10, in described second partition 10, be provided with the second through hole of more than three number, the second described through hole comprises that the second week of second centre bore 101 and more than two number is lateral opening 102, and described second week lateral opening 102 is take the second centre bore 101 as center of circle annular array.
Further, the diameter of the second centre bore 101 in second partition 10 is greater than the diameter of the second week lateral opening 102 in second partition 10.
Further, the diameter of the second centre bore 101 in second partition 10 is greater than the diameter of the first centre bore 71 in the first dividing plate 7, and the diameter of the second week lateral opening 102 in second partition 10 is greater than the diameter of the first periphery hole 72 in the first dividing plate 7.
Further, identical one end of two upper headers 1 is provided with the first blanking cover 6 separately, on one of them, the other end of header 1 is provided with refrigerant inlet, on another, the other end of header 1 is provided with refrigerant outlet, in two upper headers 1, being provided with separately 8, two upper headers 1 of reversing plate is communicated with at the rear of its reversing plate 8.As Fig. 1, Fig. 2, in Fig. 3 and Fig. 4 shown in the direction of arrow, reversing plate 8 flow direction of cold-producing medium is planned to from refrigerant inlet to rear side in header 1, the front of reversing plate 8 in header 1 on rear side, through the micro-channel flat 3 between header 1 on rear side and rear side lower header 2, arrive rear side lower header 2, in rear side lower header 2 successively through the first dividing plate 7 and second partition 10, pass through again the rear to reversing plate 8 in header 1 on rear side of the micro-channel flat 3 between header 1 and rear side lower header 2 on rear side, enter again on front side the rear of reversing plate 8 in header 1, through the micro-channel flat 3 between header on front side 1 and front side lower header 2, arrive front side lower header 2, in front side lower header 2 successively through the first dividing plate 7 and second partition 10, the front to reversing plate 8 in header 1 on front side through the micro-channel flat 3 between header on front side 1 and front side lower header 2 again, by refrigerant outlet, leave.
The two ends of two lower header 2 are provided with the second blanking cover 11, the side that upper header group arranges refrigerant inlet and refrigerant outlet at it is provided with the pressing plate 9 with refrigerant inlet interface and refrigerant outlet interface, between two micro-channel flat 3 of arbitrary neighborhood, be provided with fin 4, the outer side plate 5 that is provided with separately of outermost two micro-channel flat 3, the top of side plate 5 is fixedly connected with upper header 1, and the bottom of side plate 5 is fixedly connected with lower header 2.
The operation principle of the present embodiment is: the gas that coolant media becomes HTHP through compressor compresses enters after condenser by pipeline, heat release is condensed into the liquid of cryogenic high pressure, liquid is by after expansion valve throttling, flows into the evaporimeter evaporation of absorb heat, the overheated gas of formation low-pressure low-temperature; Because refrigerant evaporation needs heat absorption, make to be pulled away by the airborne heat of evaporator external, thereby air side temperature is reduced, reach refrigeration, and the overheated gas of low-pressure low-temperature enters compressor formation circulation.Coolant media is when flowing through dividing plate, be multi beam fluidization tower and pass through dividing plate, first pass through the first dividing plate 7 that through-hole diameter is less, the second partition 10 that the through-hole diameter of flowing through is again slightly large, compares original single hole dividing plate, and the channel cross-section of porous barrier is larger, thereby reduced the circulating resistance of refrigerant, accelerate the evaporation rate of refrigerant in evaporator core, thereby improved the refrigerating capacity of air-conditioning system, increased heat exchange efficiency.
Claims (7)
1. the parallel-flow evaporator for air conditioning for automobiles, comprise a upper header group and a lower header group, described upper header group comprises the upper header that two front and back are set up in parallel, described lower header group comprises the lower header that two front and back are set up in parallel, upper header group and lower header group be arranged in parallel, on any one, between header and the lower header of its below, be all provided with separately the micro-channel flat of more than two number, the lower header that the upper header that micro-channel flat described in any one is all connected with its upper end and its lower end connect is communicated with, in at least one lower header in lower header group, be provided with first dividing plate, the plane of the first described dividing plate is with the axial of lower header or flow to vertical, it is characterized in that: the through hole that is provided with more than two number in the first described dividing plate.
2. the parallel-flow evaporator for air conditioning for automobiles as claimed in claim 1, it is characterized in that: described through hole comprises the periphery hole of a centre bore and more than two number, described periphery hole is arranged along an even circumferential, and described circumference is coaxial with described centre bore.
3. the parallel-flow evaporator for air conditioning for automobiles as claimed in claim 2, is characterized in that: the diameter of centre bore is greater than the diameter of periphery hole.
4. the parallel-flow evaporator for air conditioning for automobiles as claimed in claim 1, is characterized in that: the outline of the first dividing plate is D type.
5. the parallel-flow evaporator for air conditioning for automobiles as claimed in claim 1, it is characterized in that: at least one lower header in lower header group, be provided with a second partition, in described second partition, be provided with the through hole of more than two number, in second partition, have at least the diameter of a through hole to be greater than the diameter of the maximum gauge through hole in the first dividing plate.
6. the parallel-flow evaporator for air conditioning for automobiles as claimed in claim 5, it is characterized in that: the through hole in the first dividing plate comprises the first dividing plate periphery hole of a first dividing plate centre bore and more than two number, the first described dividing plate periphery hole is arranged along an even circumferential, this circumference in the first dividing plate is coaxial with the first described dividing plate centre bore, the diameter of the first dividing plate centre bore is greater than the diameter of the first dividing plate periphery hole, through hole in second partition comprises the second partition periphery hole of a second partition centre bore and more than two number, described second partition periphery hole is arranged along an even circumferential, this circumference in second partition is coaxial with described second partition centre bore, the diameter of second partition centre bore is greater than the diameter of second partition periphery hole, the diameter of second partition centre bore is greater than the diameter of the first dividing plate centre bore, the diameter of second partition periphery hole is greater than the diameter of the first dividing plate periphery hole.
7. the parallel-flow evaporator for air conditioning for automobiles as claimed in claim 1, it is characterized in that: identical one end of two upper headers is provided with blanking cover separately, on one of them, the other end of header is provided with refrigerant inlet, on another, the other end of header is provided with refrigerant outlet, the two ends of two lower header are provided with blanking cover, in two upper headers, be provided with separately reversing plate, two upper headers are communicated with at the rear of its reversing plate, the side that upper header group arranges refrigerant inlet and refrigerant outlet at it is provided with the pressing plate with refrigerant inlet interface and refrigerant outlet interface, between two micro-channel flat of arbitrary neighborhood, be provided with fin, outermost two micro-channel flat are provided with side plate outward separately, the top of side plate is fixedly connected with upper header, the bottom of side plate is fixedly connected with lower header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600159.8U CN203572101U (en) | 2013-09-26 | 2013-09-26 | Parallel flow evaporator used for automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600159.8U CN203572101U (en) | 2013-09-26 | 2013-09-26 | Parallel flow evaporator used for automobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572101U true CN203572101U (en) | 2014-04-30 |
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ID=50539830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320600159.8U Expired - Lifetime CN203572101U (en) | 2013-09-26 | 2013-09-26 | Parallel flow evaporator used for automobile air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203572101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758067A (en) * | 2014-12-19 | 2016-07-13 | 杭州三花研究院有限公司 | Cooling device |
-
2013
- 2013-09-26 CN CN201320600159.8U patent/CN203572101U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758067A (en) * | 2014-12-19 | 2016-07-13 | 杭州三花研究院有限公司 | Cooling device |
| CN105758067B (en) * | 2014-12-19 | 2020-06-30 | 杭州三花研究院有限公司 | Cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190815 Address after: 245000 No. 1 Chengxiang Road, Jiulong Park, Tunxi District, Huangshan City, Anhui Province Patentee after: ANHUI SHUANGHUA HEAT EXCHANGE SYSTEM Co.,Ltd. Address before: 201417 788 Kegong Road, Linhai Industrial Zone, Fengxian District, Shanghai Patentee before: Shanghai Shuanghua Automobile Air Conditioner Parts Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
|
| CX01 | Expiry of patent term |