CN203837334U - Parallel flow heat exchanger of double-row flat pipes - Google Patents
Parallel flow heat exchanger of double-row flat pipes Download PDFInfo
- Publication number
- CN203837334U CN203837334U CN201420098433.0U CN201420098433U CN203837334U CN 203837334 U CN203837334 U CN 203837334U CN 201420098433 U CN201420098433 U CN 201420098433U CN 203837334 U CN203837334 U CN 203837334U
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- header
- collecting pipe
- heat exchanger
- flat pipes
- flat tube
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Abstract
The utility model discloses a parallel flow heat exchanger of double-row flat pipes. A plurality of flat pipes are arranged between an upper left collecting pipe and a lower left collecting pipe, and fins are arranged between the adjacent flat pipes. A plurality of flat pipes are arranged between an upper right collecting pipe and a lower right collecting pipe, and fins are arranged between the adjacent flat pipes. A left core body is formed by the upper left collecting pipe, the lower left collecting pipe, the flat pipes arranged between the upper left collecting pipe and the lower left collecting pipe and the fins arranged between the adjacent flat pipes. A right core body is formed by the upper right collecting pipe, the lower right collecting pipe, the flat pipes arranged between the upper right collecting pipe and the lower right collecting pipe and the fins arranged between the adjacent flat pipes. The lower left collecting pipe is provided with a liquid inlet pipe, the lower right collecting pipe is provided with a liquid outlet pipe, and the upper left collecting pipe is communicated with the upper right collecting pipe through a plurality of transfer bases. The left core body and the right core body are manufactured in a secondary furnace welding mode, the transfer bases are assembled, secondary furnace welding is carried out, and the transfer bases are welded to the corresponding positions of the upper left collecting pipe and the upper right collecting pipe in a brazing mode. According to the parallel flow heat exchanger, the energy efficiency ratio of an air conditioner device with the heat exchanger is improved, and whistler produced when refrigeration fluid flows in different channels is avoided.
Description
Technical field
The utility model belongs to parallel-flow heat exchanger technical field, specifically relates to a kind of parallel-flow heat exchanger of double flat tube.
Background technology
Concurrent flow porous micro-channel heat exchanger is a kind of full aluminium heater, as a kind of new type heat exchanger for air-conditioning, is subject to applying more and more widely.
The parallel-flow heat exchanger of double flat tube, cold-producing medium flows into from a side header, and along a rows of flat pipes fluid interchange, 180 degree of then turning back enter another rows of flat pipes and continue fluid interchange, finally flow out from opposite side header.
In prior art, the parallel-flow heat exchanger of double flat tube uses the technique of once crossing stove welding to produce conventionally, between the relative every group of adjacent flat tube in left and right, can only share a fin like this, after assembling, entirety is crossed stove welding, when use, cold-producing medium is in mobile process, temperature constantly reduces, cause entrance point and the port of export temperature of cold-producing medium to differ greatly, and between the relative every group of adjacent flat tube in left and right, share a fin, there will be fin between double flat tube mutually to go here and there heat, greatly affected the heat exchange efficiency of the parallel-flow heat exchanger of double flat tube.Need besides to use semi-circular tube by two headers connections above in the parallel-flow heat exchanger of double flat tube, conventionally adopt the mode of Manual flame soldering via semi-circular tube, two core bodys to be linked into an integrated entity, this kind of mode lower semicircle pipe welding is loaded down with trivial details, poor reliability, and cold-producing medium while flowing by semi-circular tube circulation passage long, very easily produce the howling of refrigerant.
In the technical field of the parallel-flow heat exchanger of double flat tube, break through existing manufacturing process, and stream between appropriate design header to connect be the problem that those skilled in the art need to solve at present.
Summary of the invention
The utility model is mainly to solve the existing technical problem of prior art, and a kind of parallel-flow heat exchanger of double flat tube is provided.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of parallel-flow heat exchanger of double flat tube, comprise upper left header, lower-left header, upper right header and bottom right header, between upper left header and lower-left header, be provided with between some flat tubes and adjacent flat tube and be provided with fin, between upper right header and bottom right header, be also provided with between some flat tubes and adjacent flat tube and be provided with fin, wherein upper left header, lower-left header forms left core body together with the fin between some flat tubes and adjacent flat tube between the two, upper right header, bottom right header forms right core body together with the fin between some flat tubes and adjacent flat tube between the two, lower-left header is provided with feed tube, bottom right header is provided with drain pipe, upper left header and upper right header are connected via some adapters.
As preferably, described adapter is split-type structural, comprises left-hand rotation fitting and right-hand rotation fitting and connector between the two, and left-hand rotation fitting buckles on the header of upper left, right-hand rotation fitting buckles on the header of upper right, via the passage in adapter, upper left header and upper right header is communicated with; Or described adapter is integral type structure, its left side buckles on the header of upper left, and right side buckles on the header of upper right, via the passage in adapter, upper left header and upper right header is communicated with.
The manufacture method of the parallel-flow heat exchanger of above-mentioned double flat tube is: (1) makes left core body, by after the fin assembling between upper left header, lower-left header and flat tube between the two and adjacent flat tube, send into soldering oven and weld under nitrogen protection; (2) make right core body, by after the fin assembling between upper right header, bottom right header and flat tube between the two and adjacent flat tube, send into soldering oven and under nitrogen protection, carried out stove welding; (3) left and right core body stacks together, then adapter is buckled in upper left header and header relevant position, upper right, and smear the soldering paste for aluminium soldering in adapter surrounding, left and right core body is sent into soldering oven together with some adapters and is carried out secondary and cross stove welding, by adapter soldering in upper left header and header relevant position, upper right.
In the parallel-flow heat exchanger of the double flat tube of the utility model, use two row's fins, between two row's fins, form gap, string thermal phenomenon while having avoided two rows of flat pipes heat exchange, heat exchange is more abundant, and heat exchange efficiency is high, is conducive to improve the Energy Efficiency Ratio with this heat exchanger air conditioner device, cross the production technology of stove welding in conjunction with existing secondary, rationally be provided with the connection adapter of two headers above, for flow of refrigerant, cold-producing medium flows into from a side header, along upwards fluid interchange of a rows of flat pipes, then folding turn 90 degrees the passage of flowing through in adapter, folding turn 90 degrees and enters the continuation heat exchange that flows downward of another rows of flat pipes again, finally flow out from opposite side header, the circulation passage that connects refrigerant by adapter shortens, efficiently solve the howling that cold-producing medium produces in ALT-CH alternate channel, overall structure is simple simultaneously, be easy to manufacture, easy for installation, reasonable in design.
The distribution structure that cold-producing medium enters parallel-flow heat exchanger stream is rationally set, the external shunt form by spraying can be set, such as the patent No. is the flow dividing structure of recording in 201210216736.3 " a kind of parallel-flow heat exchangers of Novel diversion structure "; Also can be arranged to the version of shunting in header, the version of shunting in the lower header that is 201310656471.3 and records in " a kind of parallel-flow heat exchanger of double flat tube and there is the aircondition of this heat exchanger " such as application number.By reasonable distribution cold-producing medium, make the cold-producing medium flat heat exchange pipe of fully flowing through for twice, flow resistance is little, and runner is long, is not prone to whirlpool along journey.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is another kind of structural representation of the present utility model;
Fig. 3 is the side-looking structural representation of Fig. 1;
Fig. 4 is the side-looking structural representation of Fig. 2.
In figure, 1-upper left header, 2-lower-left header, 3-feed tube, 4-drain pipe, 5-flat tube, 6-fin, 7-adapter, 71-left-hand rotation fitting, 72-right-hand rotation fitting, 73-connector, 74-passage, 8-upper right header, 9-bottom right header, the left core body of 10-, the right core body of 11-.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: referring to Fig. 1 and Fig. 3, the utility model comprises upper left header, lower-left header, upper right header and bottom right header, between upper left header and lower-left header, be provided with between some flat tubes and adjacent flat tube and be provided with fin, between upper right header and bottom right header, be also provided with between some flat tubes and adjacent flat tube and be provided with fin, wherein upper left header, lower-left header forms left core body together with the fin between some flat tubes and adjacent flat tube between the two, upper right header, bottom right header forms right core body together with the fin between some flat tubes and adjacent flat tube between the two, lower-left header is provided with feed tube, bottom right header is provided with drain pipe, upper left header and upper right header are connected via some adapters, adapter is split-type structural, comprise left-hand rotation fitting and right-hand rotation fitting and connector between the two, left-hand rotation fitting buckles on the header of upper left, and right-hand rotation fitting buckles on the header of upper right, via the passage in adapter, upper left header and upper right header is communicated with, lower-left header adopts the external shunt form of spraying, several feed tubes are set on the header of lower-left, it is the flow dividing structure of recording in 201210216736.3 " a kind of parallel-flow heat exchangers of Novel diversion structure " referring specifically to the patent No., by reasonable distribution cold-producing medium, make the cold-producing medium flat heat exchange pipe of fully flowing through for twice, flow resistance is little, and runner is long, is not prone to whirlpool along journey.
Embodiment 2: referring to Fig. 2 and Fig. 4, the utility model comprises upper left header, lower-left header, upper right header and bottom right header, between upper left header and lower-left header, be provided with between some flat tubes and adjacent flat tube and be provided with fin, between upper right header and bottom right header, be also provided with between some flat tubes and adjacent flat tube and be provided with fin, wherein upper left header, lower-left header forms left core body together with the fin between some flat tubes and adjacent flat tube between the two, upper right header, bottom right header forms right core body together with the fin between some flat tubes and adjacent flat tube between the two, lower-left header is provided with feed tube, bottom right header is provided with drain pipe, upper left header and upper right header are connected via some adapters, adapter is integral type structure, and its left side buckles on the header of upper left, and right side buckles on the header of upper right, via the passage in adapter, upper left header and upper right header is communicated with, lower-left header is arranged to the version of interior shunting, the version of shunting in the lower header that is 201310656471.3 and records in " a kind of parallel-flow heat exchanger of double flat tube and there is the aircondition of this heat exchanger " referring specifically to application number, by reasonable distribution cold-producing medium, make the cold-producing medium flat heat exchange pipe of fully flowing through for twice, flow resistance is little, runner is long, is not prone to whirlpool along journey.
Described in embodiment 1 and embodiment 2, the manufacture method of the parallel-flow heat exchanger of double flat tube is: (1) makes left core body, by after the fin assembling between upper left header, lower-left header and flat tube between the two and adjacent flat tube, send into soldering oven and weld under nitrogen protection; (2) make right core body, by after the fin assembling between upper right header, bottom right header and flat tube between the two and adjacent flat tube, send into soldering oven and under nitrogen protection, carried out stove welding; (3) left and right core body stacks together, then adapter is buckled in upper left header and header relevant position, upper right, and smear the soldering paste for aluminium soldering in adapter surrounding, left and right core body is sent into soldering oven together with some adapters and is carried out secondary and cross stove welding, by adapter soldering in upper left header and header relevant position, upper right.
In the parallel-flow heat exchanger of the double flat tube of the utility model, use two row's fins, between two row's fins, form gap, string thermal phenomenon while having avoided two rows of flat pipes heat exchange, heat exchange is more abundant, and heat exchange efficiency is high, is conducive to improve the Energy Efficiency Ratio with this heat exchanger air conditioner device, cross the production technology of stove welding in conjunction with existing secondary, rationally be provided with the connection adapter of two headers above, for flow of refrigerant, cold-producing medium flows into from a side header, along upwards fluid interchange of a rows of flat pipes, then folding turn 90 degrees the passage of flowing through in adapter, folding turn 90 degrees and enters the continuation heat exchange that flows downward of another rows of flat pipes again, finally flow out from opposite side header, the circulation passage that connects refrigerant by adapter shortens, efficiently solve the howling that cold-producing medium produces in ALT-CH alternate channel, overall structure is simple simultaneously, be easy to manufacture, easy for installation, reasonable in design.
Finally, it should be pointed out that above embodiment is only the more representational example of the utility model.Obviously, the technical solution of the utility model is not limited to above-described embodiment, can also have many distortion.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model, all should think protection domain of the present utility model.
Claims (3)
1. the parallel-flow heat exchanger of a double flat tube, it is characterized in that described heat exchanger comprises upper left header, lower-left header, upper right header and bottom right header, between upper left header and lower-left header, be provided with between some flat tubes and adjacent flat tube and be provided with fin, between upper right header and bottom right header, be also provided with between some flat tubes and adjacent flat tube and be provided with fin, wherein upper left header, lower-left header forms left core body together with the fin between some flat tubes and adjacent flat tube between the two, upper right header, bottom right header forms right core body together with the fin between some flat tubes and adjacent flat tube between the two, lower-left header is provided with feed tube, bottom right header is provided with drain pipe, upper left header and upper right header are connected via some adapters.
2. a kind of parallel-flow heat exchanger of double flat tube according to claim 1, it is characterized in that described adapter is split-type structural, comprise left-hand rotation fitting and right-hand rotation fitting and connector between the two, left-hand rotation fitting buckles on the header of upper left, right-hand rotation fitting buckles on the header of upper right, via the passage in adapter, upper left header and upper right header is communicated with.
3. a kind of parallel-flow heat exchanger of double flat tube according to claim 1, it is characterized in that described adapter is integral type structure, its left side buckles on the header of upper left, and right side buckles on the header of upper right, via the passage in adapter, upper left header and upper right header is communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098433.0U CN203837334U (en) | 2014-03-03 | 2014-03-03 | Parallel flow heat exchanger of double-row flat pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098433.0U CN203837334U (en) | 2014-03-03 | 2014-03-03 | Parallel flow heat exchanger of double-row flat pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203837334U true CN203837334U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098433.0U Expired - Fee Related CN203837334U (en) | 2014-03-03 | 2014-03-03 | Parallel flow heat exchanger of double-row flat pipes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822407A (en) * | 2014-03-03 | 2014-05-28 | 浙江金宸三普换热器有限公司 | Parallel flow heat exchanger with double-row flat pipes and manufacturing method of parallel flow heat exchanger |
| CN108981235A (en) * | 2017-05-31 | 2018-12-11 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
| CN108981234A (en) * | 2017-05-31 | 2018-12-11 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
-
2014
- 2014-03-03 CN CN201420098433.0U patent/CN203837334U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822407A (en) * | 2014-03-03 | 2014-05-28 | 浙江金宸三普换热器有限公司 | Parallel flow heat exchanger with double-row flat pipes and manufacturing method of parallel flow heat exchanger |
| CN103822407B (en) * | 2014-03-03 | 2017-05-31 | 浙江金宸三普换热器有限公司 | The parallel-flow heat exchanger and its manufacture method of a kind of double flat tube |
| CN108981235A (en) * | 2017-05-31 | 2018-12-11 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
| CN108981234A (en) * | 2017-05-31 | 2018-12-11 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160623 Address after: Ruan Zhen Jin Ling Cun, Shaoxing City, Zhejiang province 311802 city of Zhuji City Patentee after: ZHEJIANG XINJINCHEN MACHINERY CO.,LTD. Address before: 311802 Zhejiang province Zhuji ruanshi town Yangmei Bridge Industrial Zone Zhejiang Sanpu heat exchanger Co., Ltd. Patentee before: ZHEJIANG JINCHEN SANPU HEAT EXCHANGER Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |