CN201954848U - Vortex parallel flow/counter flow evaporator for vehicle air conditioner - Google Patents
Vortex parallel flow/counter flow evaporator for vehicle air conditioner Download PDFInfo
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- CN201954848U CN201954848U CN2010206704208U CN201020670420U CN201954848U CN 201954848 U CN201954848 U CN 201954848U CN 2010206704208 U CN2010206704208 U CN 2010206704208U CN 201020670420 U CN201020670420 U CN 201020670420U CN 201954848 U CN201954848 U CN 201954848U
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- vortex
- flat tube
- scrawl
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- refrigerant
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a vortex parallel flow/counter flow evaporator for a vehicle air conditioner, which comprises a plurality of vortex type flat pipes arranged in parallel and extended in a gyrate way, each vortex type flat pipe is separated from one another by a plurality of fins, inner cavities of the vortex type flat pipes form into a plurality of refrigerant flow channels, adjoining vortex layers of each vortex type flat pipe are connected with the fins at two sides in a sealing way to form into a plurality of refrigerating medium flow channels which exchange the heat with the refrigerant, the inlet and the outlet of each refrigerant flow channel are respectively communicated with each other, the inlet and the outlet of each refrigerating medium flow channel are respectively communicated with each other, and the refrigerant in each refrigerant flow channel and the refrigerating medium in each refrigerating medium flow channel flow in a converse way. The vortex parallel flow/counter flow evaporator for the vehicle air conditioner is compact in structure, small in floor space, not easy to influence the cross section of the flow channel due to the reasons such as the force application, the vibration, the thermal expansion and the like under the severe condition, smooth to flow the refrigerant, large in refrigerant stroke observably, high in refrigeration efficiency, and very low in machining difficulty.
Description
Technical field
The utility model relates to the air conditioning for automobiles field, is specifically related to a kind of vortex countercurrent evaporation device of parallel flow type.
Background technology
Automobile air-conditioning evaporator is one of core part of automotive air-conditioning system, and the design of evaporimeter directly influences the performance of air-conditioning system, and influences the compact of car load.At present the evaporimeter kind of used for automobile air conditioning is a lot, mainly contains pipe type, corrugated tube type, stacked, parallel flow type etc.Early stage automobile air-conditioning evaporator generally is pipe sheet type structure, develops into the corrugated tube type structure again, so far the evaporimeter of the parallel flow type of main flow even stacked parallel flow type.
Along with the development of auto industry and air conditioning for automobiles industry, automobile air-conditioning evaporator just develops towards the direction of high heat exchange efficiency, environmental protection, miniature energy-saving and automation, and is also more and more higher to the requirement of evaporimeter.The parallel flow evaporators of main flow adopts rectangular configuration at present, comprise a plurality of straight flat tube that is arranged in juxtaposition, between each straight flat tube with the accordion fin at interval, the refrigerant inlet end of straight flat tube is connected header with the port of export, the deficiency that exists is: the rectangular configuration area occupied is big, the stacked concurrent flow that particularly a plurality of straight flat tubes are stacked has increased thickness especially, and this layout for kart is totally unfavorable; Moreover the straight flat tube that parallel-flow evaporator adopts, some mal-condition easily expand down or vibration deformation, influence the circulation of cold-producing medium; Once more, for straight flat tube, the cold-producing medium stroke is short, and refrigerating efficiency is not high enough, and the vehicle refrigeration demand under some working environment is big, and refrigerating efficiency is had higher requirement; In addition, accordion fin complex manufacturing, soldering difficulty height, artificial assembling, the assembling difficulty height of adopting between flat tube, header, the fin more.
Summary of the invention
In order to solve the aforementioned problems in the prior, the utility model provides that a kind of compact conformation, area occupied are little, mal-condition is difficult for down because of the used for automobile air conditioning vortex concurrent flow countercurrent evaporation device that the distortion of reasons such as stressed, vibration, heat expansion influence cross section of fluid channel, the cold-producing medium circulation is smooth and easy, the cold-producing medium stroke enlarges markedly, refrigerating efficiency raising, difficulty of processing significantly reduce.
The utility model adopts following technical scheme:
Used for automobile air conditioning vortex concurrent flow countercurrent evaporation device, the Scrawl flat tube that swirl shape extends that is that comprises a plurality of parallel layouts, between each Scrawl flat tube with fin at interval, Scrawl flat tube inner chamber forms refrigerant flow path, be tightly connected between the adjacent vortex sheet of single Scrawl flat tube and the both sides fin, constitute refrigerating medium runner with the cold-producing medium heat exchange, the import of each refrigerant flow path and outlet are interconnected respectively, the import of each refrigerating medium runner and outlet are interconnected respectively, cold-producing medium in the refrigerant flow path and the refrigerating medium reverse flow in the refrigerating medium runner.
Further, the outermost end of described Scrawl flat tube is furnished with first header that is communicated with the outlet of each refrigerant flow path, and the center arrangement of described Scrawl flat tube has second header that is communicated with the import of each refrigerant flow path.
Further, described evaporimeter also comprises cylinder type shell, and the cylinder type shell inboard is provided with the slot that is connected with fin.
Preferably, described fin is a flat thin ring fin, and the center of flat thin ring fin is equipped with described second header.
Further, described cylinder type shell is provided with the air inlet duct that is communicated with the import of each refrigerating medium runner.Technical conceive of the present utility model is: design vehicle idle call vortex concurrent flow countercurrent evaporation device, this evaporimeter adopts and is the Scrawl flat tube that swirl shape extends, with respect to adopting stacked straight flat tube, adopt the Scrawl flat tube to make structure compact more, overall dimensions greatly reduces, the cylindrical shape evaporimeter of equal length than the rectangle evaporimeter more easy arrangement at small-sized front part of the carriage near the driver's cabin side; Consider from the heat exchange angle, because the Scrawl flat tube increases greatly with respect to the straight flat tube equivalent length of same height, so Scrawl flat tube inner chamber forms the refrigerant flow path length increase of Scrawl, the phenomenal growth of cold-producing medium stroke, the heat exchange path increases, and heat exchange efficiency improves; And the reverse convection current of cold-producing medium in the refrigerant flow path and the refrigerating medium in the refrigerating medium runner has further improved heat exchange efficiency again; Secondly, the Scrawl flat tube can be formed by the straight flat tube bending of present main flow parallel-flow evaporator, make simple, the more straight flat tube intensity of turbulent structure increases simultaneously, therefore the yet more difficult former thereby distortion because of stressed, vibration, heat expansion etc. can not influence cross section of fluid channel and then influence the smoothness that cold-producing medium circulates under the abominable condition of work; In addition, flat thin ring fin has replaced the accordion fin, has simplified production technology, and the soldering difficulty reduces, and easily is automated assembling between flat tube, header, the fin.
The beneficial effects of the utility model are: (1) compact conformation, area occupied are little; (2) mal-condition is difficult for down because of the distortion of reasons such as stressed, vibration, heat expansion influences cross section of fluid channel, the cold-producing medium circulation is smooth and easy; (3) the cold-producing medium stroke enlarges markedly, refrigerating efficiency improves; (4) production technology simplification, difficulty of processing significantly reduce.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is one of structural representation of the present utility model;
Fig. 2 is two of a structural representation of the present utility model;
Fig. 3 is a right view of the present utility model;
Fig. 4 is the structural representation of Scrawl flat tube of the present utility model;
Fig. 5 is the direction of flow schematic diagram of the utility model refrigerant flow path and refrigerating medium runner.
The specific embodiment
With reference to Fig. 1-5: used for automobile air conditioning vortex concurrent flow countercurrent evaporation device, comprise cylinder type shell 1, cylinder type shell 1 is provided with the Scrawl flat tube 8 that swirl shape extends that is of a plurality of parallel layouts, with fin 9 at interval, cylinder type shell 1 inboard is provided with the slot that is connected with fin 9 between each Scrawl flat tube 8; Scrawl flat tube 8 inner chambers form refrigerant flow path, be tightly connected between the adjacent vortex sheet of single Scrawl flat tube 8 and the both sides fin 9, constitute refrigerating medium runner with the cold-producing medium heat exchange, the import of each refrigerant flow path and outlet are interconnected respectively, the import of each refrigerating medium runner and outlet are interconnected respectively, cold-producing medium in the refrigerant flow path and the refrigerating medium reverse flow in the refrigerating medium runner.The outermost end of described Scrawl flat tube 8 is furnished with first header 4 that is communicated with the outlet of each refrigerant flow path, and the center arrangement of described Scrawl flat tube 8 has second header 5 that is communicated with the import of each refrigerant flow path.Described fin 9 is a flat thin ring fin, and the center of flat thin ring fin is equipped with described second header 5.
Particularly, Scrawl flat tube 8 bends to the plane vortex shape by the straight flat tube of the parallel-flow evaporator of present main flow, increased the equivalent length of flat tube when having increased bulk strength greatly, the overall dimensions and the vortex number of turns of turbulent structure can be adjusted flexibly according to the requirement of refrigerating capacity simultaneously.Scrawl flat tube 8 and alternately axial parallel arrangement of fin 9, fin is fixed in the groove of cylinder type shell 1.Like this, constituted the Scrawl refrigerant flow path of flat tube inside and the refrigerating medium runner of flat tube outside by the fin 9 on Scrawl flat tube 8 and both sides, in the present embodiment, refrigerating medium adopts air.The upper and lower end of Scrawl flat tube 8 inserts respectively in first header 4 and second header, 5 slots.The evaporator core of forming by Scrawl flat tube, fin and upper and lower header through can guarantee between Scrawl flat tube 8 and the fin after the simple braze processes, the sealing fully of Scrawl flat tube 8 and the contacts site such as slot of first, second header.Cylinder type shell 1 is made up of two arc half shells of left end cap 2 and right end cap 3 and front and back symmetry, and the evaporator core of being made up of Scrawl flat tube, fin and upper and lower header is by fixing in the slot that first, second header two ends are installed on left end cap 2 and the right end cap 3, fin 9 is installed to cylinder type shell 1.Rectangle air inlet duct 6 is formed on the top of cylinder type shell 1.Air inlet duct 6 can also be other shapes, so that connect to go into the air conditioning for automobiles circulatory system, or cooperate the shape of evaporator fan, and organize rational air-flow.
Fig. 5 is the direction of flow schematic diagram of refrigerant flow path and refrigerating medium runner, and the air that is driven by air blast flows to 10 by refrigerating medium and enters evaporator core by air inlet duct 6,, and flows out by venthole 7 to the center along refrigerating medium runner Scrawl upper airway flow; Cold-producing medium then enters refrigerant flow path in the Scrawl flat tube 8 by refrigerant flow direction 11 from second header 5, outwards flow to first header 4 at Scrawl flat tube 8 internal helicoids, flows out other links that enter the automotive air-conditioning system circulation again.
Claims (5)
1. used for automobile air conditioning vortex concurrent flow countercurrent evaporation device, it is characterized in that: the Scrawl flat tube that swirl shape extends that is that comprises a plurality of parallel layouts, between each Scrawl flat tube with fin at interval, Scrawl flat tube inner chamber forms refrigerant flow path, be tightly connected between the adjacent vortex sheet of single Scrawl flat tube and the both sides fin, constitute refrigerating medium runner with the cold-producing medium heat exchange, the import of each refrigerant flow path and outlet are interconnected respectively, the import of each refrigerating medium runner and outlet are interconnected respectively, cold-producing medium in the refrigerant flow path and the refrigerating medium reverse flow in the refrigerating medium runner.
2. used for automobile air conditioning vortex concurrent flow countercurrent evaporation device as claimed in claim 1, it is characterized in that: the outermost end of described Scrawl flat tube is furnished with first header that is communicated with the outlet of each refrigerant flow path, and the center arrangement of described Scrawl flat tube has second header that is communicated with the import of each refrigerant flow path.
3. used for automobile air conditioning vortex concurrent flow countercurrent evaporation device as claimed in claim 1 or 2, it is characterized in that: described evaporimeter also comprises cylinder type shell, the cylinder type shell inboard is provided with the slot that is connected with fin.
4. used for automobile air conditioning vortex concurrent flow countercurrent evaporation device as claimed in claim 3, it is characterized in that: described cylinder type shell is provided with the air inlet duct that is communicated with the import of each refrigerating medium runner.
5. used for automobile air conditioning vortex concurrent flow countercurrent evaporation device as claimed in claim 4, it is characterized in that: described fin is a flat thin ring fin, and the center of flat thin ring fin is equipped with described second header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206704208U CN201954848U (en) | 2010-12-20 | 2010-12-20 | Vortex parallel flow/counter flow evaporator for vehicle air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206704208U CN201954848U (en) | 2010-12-20 | 2010-12-20 | Vortex parallel flow/counter flow evaporator for vehicle air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201954848U true CN201954848U (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206704208U Expired - Lifetime CN201954848U (en) | 2010-12-20 | 2010-12-20 | Vortex parallel flow/counter flow evaporator for vehicle air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201954848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032722A (en) * | 2010-12-20 | 2011-04-27 | 浙江兰通空调设备有限公司 | Vortex parallel flow countercurrent evaporator for automotive air conditioner |
-
2010
- 2010-12-20 CN CN2010206704208U patent/CN201954848U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032722A (en) * | 2010-12-20 | 2011-04-27 | 浙江兰通空调设备有限公司 | Vortex parallel flow countercurrent evaporator for automotive air conditioner |
| CN102032722B (en) * | 2010-12-20 | 2013-04-17 | 浙江兰通空调设备有限公司 | Vortex parallel flow countercurrent evaporator for automotive air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110831 Effective date of abandoning: 20130417 |
|
| RGAV | Abandon patent right to avoid regrant |