CN103697629B - A kind of parallel-flow heat exchanger - Google Patents
A kind of parallel-flow heat exchanger Download PDFInfo
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- CN103697629B CN103697629B CN201310431843.2A CN201310431843A CN103697629B CN 103697629 B CN103697629 B CN 103697629B CN 201310431843 A CN201310431843 A CN 201310431843A CN 103697629 B CN103697629 B CN 103697629B
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- header
- right header
- upper cavity
- lower chamber
- tube
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- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of parallel-flow heat exchanger, be provided with left and right dividing plate in the header of left and right and left and right header be separated into left and right header upper cavity and left and right header lower chamber, right header upper cavity is connected by the through hole on right clapboard with right header lower chamber, wherein the upper and lower cavity of left header is equal with the height of the upper and lower cavity of right header respectively, and the height of left and right header upper cavity is greater than the height of left and right header lower chamber; Right header is also provided with " U " shape communicating pipe, the side verticle tube of communicating pipe is closed and extend in right header upper cavity from right header upper port, and the tube wall of this side vertical tube is provided with some openings, the opposite side verticle tube of communicating pipe is uncovered and extend through right header tube wall and extend in right header lower chamber.Present invention improves the mobility of working medium, significantly improve the heat exchange efficiency of working medium, simplify structure and the production technology of header, reduce the requirement to production technology, rate of reducing the number of rejects and seconds, reduces production cost.
Description
Technical field
The invention belongs to parallel-flow heat exchanger technical field, specifically relate to a kind of parallel-flow heat exchanger.
Background technology
Parallel-flow heat exchanger realizes the equipment that between cold fluid and hot fluid, heat transmits, and is widely used in the fields such as HVAC.Parallel-flow heat exchanger generally comprises two headers be parallel to each other, and be provided with some substantial parallel heat radiating flat tubes between two headers, between adjacent flat tube, soldering has heat transmission fin.During work, medium presses design direction flowing along flat tube between header, while flowing, carry out heat exchange, in order to improve heat exchanger effectiveness with the air of blowing over fin, medium uniform distribution must flow through every root heat radiating flat tube, and this makes improvements the structure of header with regard to needing.Patent " parallel flow heat exchanger of novel the uniform distribution structure " (application number: 201010246554.1 of the applicant, the applying date: 2010-08-05) and " collecting pipe structure of heat exchanger " (application number: 201010298093.2, the applying date: 2010-09-29), all collecting pipe structure is improved.These modified node method can play the effect of all joining medium, but structure is still very complicated, and the mobility of medium is not good enough, have impact on the heat exchange efficiency of working medium, header is also very high to manufacturing requirements besides, easily goes out waste product, cause production cost to be difficult to decline, be unfavorable for applying of product.
Summary of the invention
The present invention mainly solves the technical problem existing for prior art, provides a kind of parallel-flow heat exchanger.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of parallel-flow heat exchanger, comprise be parallel to each other for a pair and the left and right header be separated from each other and some two ends respectively with left and right header inner space and the flat tube be parallel to each other, fin is provided with between adjacent flat tube, be provided with left clapboard in described left header and left header be separated into left header upper cavity and left header lower chamber, be provided with right clapboard in described right header and right header be separated into right header upper cavity and right header lower chamber, right header upper cavity is connected by the through hole on right clapboard with right header lower chamber, wherein left header upper cavity is equal with the height of right header upper cavity, left header lower chamber is equal with the height of right header lower chamber, and the height of left header upper cavity and right header upper cavity is greater than the height of left header lower chamber and right header lower chamber, described right header is also provided with " U " shape communicating pipe, the side verticle tube of communicating pipe is closed and extend in right header upper cavity from right header upper port, and the tube wall of this side vertical tube is provided with some openings, the opposite side verticle tube of communicating pipe is uncovered and extend through right header tube wall and extend in right header lower chamber.
As preferably, described left header upper cavity height is 3 ~ 4 times of left header lower chamber height, and correspondingly right header upper cavity height is also 3 ~ 4 times of right header lower chamber height.
As preferably, extend into the some openings on vertical tube tube wall in right header upper cavity described communicating pipe, the quantity of opening is 1/3 ~ 1/4 of flat tube radical in right header upper cavity.
As preferably, extend into opening in right header upper cavity on vertical tube tube wall described communicating pipe just to the port of flat tube.
When refrigeration uses, working medium is all joined from left header upper cavity and is entered, right header upper cavity is flowed into through top flat tube, major part working medium enters right header lower chamber by the through hole on right clapboard in right header, small part working medium enters communicating pipe by some openings of communicating pipe, then along communicating pipe through entering into right header lower chamber, flow into left header lower chamber along bottom flat tube after two bursts of working medium mix in right header lower chamber, last all working medium flows out from left header lower chamber and collects; When heating use, working medium is all joined from left header lower chamber and is entered, right header lower chamber is flowed into through bottom flat tube, small part working medium is sprayed by the through hole on right clapboard in right header and is entered right header upper cavity, major part working medium enters communicating pipe and some openings injections of communicating pipe enter right header upper cavity, gas-liquid two-phase working medium flows into left header upper cavity through top flat tube after mixing in right header upper cavity again, and last all working medium flows out from left header upper cavity and collects.The present invention is by the improvement to collecting pipe structure, the mobility of working medium in refrigeration and heating operations is improved, significantly can improve the heat exchange efficiency of working medium, enormously simplify structure and the production technology of header besides, and then the requirement reduced production technology, percent defective is minimized, and also reduces production cost, be conducive to applying of product, therefore the present invention have structure simple, design the ingenious feature such as rationally.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention, and in figure, 1 is left header, and 11 is left clapboards, 12 is left header upper cavities, and 13 is left header lower chambers, and 2 is right headers, 21 is right clapboards, 22 is right header upper cavities, and 23 is right header lower chambers, and 24 is through holes, 3 is flat tubes, 31 is fins, and 4 is communicating pipes, and 41 is openings.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: referring to Fig. 1, the present invention includes be parallel to each other for a pair and the left and right header be separated from each other and some two ends respectively with left and right header inner space and the flat tube be parallel to each other, fin is provided with between adjacent flat tube, wherein be provided with left clapboard in left header and left header be separated into left header upper cavity and left header lower chamber, be provided with right clapboard in right header and right header be separated into right header upper cavity and right header lower chamber, right header upper cavity is connected by the through hole on right clapboard with right header lower chamber, left header upper cavity is equal with the height of right header upper cavity, left header lower chamber is equal with the height of right header lower chamber, left header upper cavity height is 3 ~ 4 times of left header lower chamber height, correspondingly right header upper cavity height is also 3 ~ 4 times of right header lower chamber height.Right header is provided with " U " shape communicating pipe, the side verticle tube of communicating pipe is closed and extend in right header upper cavity from right header upper port, and the tube wall of this side vertical tube is provided with some openings, the quantity of opening is 1/3 ~ 1/4 of flat tube radical in right header upper cavity, opening is just to the port of flat tube, and the opposite side verticle tube of communicating pipe is uncovered and extend through right header tube wall and extend in right header lower chamber.
When refrigeration uses, working medium is all joined from left header upper cavity and is entered, right header upper cavity is flowed into through top flat tube, major part working medium enters right header lower chamber by the through hole on right clapboard in right header, small part working medium enters communicating pipe by some openings of communicating pipe, then along communicating pipe through entering into right header lower chamber, flow into left header lower chamber along bottom flat tube after two bursts of working medium mix in right header lower chamber, last all working medium flows out from left header lower chamber and collects; When heating use, working medium is all joined from left header lower chamber and is entered, right header lower chamber is flowed into through bottom flat tube, small part working medium is sprayed by the through hole on right clapboard in right header and is entered right header upper cavity, major part working medium enters communicating pipe and some openings injections of communicating pipe enter right header upper cavity, gas-liquid two-phase working medium flows into left header upper cavity through top flat tube after mixing in right header upper cavity again, and last all working medium flows out from left header upper cavity and collects.The present invention is by the improvement to collecting pipe structure, the mobility of working medium in refrigeration and heating operations is improved, significantly can improve the heat exchange efficiency of working medium, enormously simplify structure and the production technology of header besides, and then the requirement reduced production technology, percent defective is minimized, and also reduces production cost, be conducive to applying of product, therefore the present invention have structure simple, design the ingenious feature such as rationally.
Finally, it should be pointed out that above embodiment is only the more representational example of the present invention.Obviously, technical scheme of the present invention 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 from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (3)
1. a parallel-flow heat exchanger, comprise be parallel to each other for a pair and the left and right header be separated from each other and some two ends respectively with left and right header inner space and the flat tube be parallel to each other, fin is provided with between adjacent flat tube, it is characterized in that being provided with left clapboard in described left header is separated into left header upper cavity and left header lower chamber by left header, be provided with right clapboard in described right header and right header be separated into right header upper cavity and right header lower chamber, right header upper cavity is connected by the through hole on right clapboard with right header lower chamber, wherein left header upper cavity is equal with the height of right header upper cavity, left header lower chamber is equal with the height of right header lower chamber, and left header upper cavity height is 3 ~ 4 times of left header lower chamber height, correspondingly right header upper cavity height is also 3 ~ 4 times of right header lower chamber height, described right header is also provided with " U " shape communicating pipe, the side verticle tube of communicating pipe is closed and extend in right header upper cavity from right header upper port, and the tube wall of this side vertical tube is provided with some openings, the opposite side verticle tube of communicating pipe is uncovered and extend through right header tube wall and extend in right header lower chamber.
2. a kind of parallel-flow heat exchanger according to claim 1, is characterized in that extending into the some openings in right header upper cavity on vertical tube tube wall described communicating pipe, and the quantity of opening is 1/3 ~ 1/4 of flat tube radical in right header upper cavity.
3. a kind of parallel-flow heat exchanger according to claim 1 and 2, is characterized in that extending into described communicating pipe opening in right header upper cavity on vertical tube tube wall just to the port of flat tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310431843.2A CN103697629B (en) | 2013-09-22 | 2013-09-22 | A kind of parallel-flow heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310431843.2A CN103697629B (en) | 2013-09-22 | 2013-09-22 | A kind of parallel-flow heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN103697629A CN103697629A (en) | 2014-04-02 |
| CN103697629B true CN103697629B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310431843.2A Active CN103697629B (en) | 2013-09-22 | 2013-09-22 | A kind of parallel-flow heat exchanger |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4536243B2 (en) * | 2000-10-31 | 2010-09-01 | 株式会社ティラド | Heat exchanger for air conditioning |
| CN201757545U (en) * | 2010-06-28 | 2011-03-09 | 赵敏 | Heat exchanger |
| CN102486345A (en) * | 2010-12-01 | 2012-06-06 | 谭勇萍 | Parallel flow evaporator of window type air-conditioner |
| CN102914088A (en) * | 2012-11-02 | 2013-02-06 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioner |
| CN103267390A (en) * | 2013-05-06 | 2013-08-28 | 广东美的制冷设备有限公司 | Concurrent flow heat exchanger and air conditioner |
| CN203561113U (en) * | 2013-09-22 | 2014-04-23 | 浙江金宸三普换热器有限公司 | Parallel flow heat exchanger with novel structure |
-
2013
- 2013-09-22 CN CN201310431843.2A patent/CN103697629B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4536243B2 (en) * | 2000-10-31 | 2010-09-01 | 株式会社ティラド | Heat exchanger for air conditioning |
| CN201757545U (en) * | 2010-06-28 | 2011-03-09 | 赵敏 | Heat exchanger |
| CN102486345A (en) * | 2010-12-01 | 2012-06-06 | 谭勇萍 | Parallel flow evaporator of window type air-conditioner |
| CN102914088A (en) * | 2012-11-02 | 2013-02-06 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioner |
| CN103267390A (en) * | 2013-05-06 | 2013-08-28 | 广东美的制冷设备有限公司 | Concurrent flow heat exchanger and air conditioner |
| CN203561113U (en) * | 2013-09-22 | 2014-04-23 | 浙江金宸三普换热器有限公司 | Parallel flow heat exchanger with novel structure |
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| Publication number | Publication date |
|---|---|
| CN103697629A (en) | 2014-04-02 |
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Effective date of registration: 20160531 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 city of Shaoxing province Zhuji ruanshi town Yangmei Bridge Industrial Zone Zhejiang Sanpu heat exchanger Co. Ltd. Patentee before: ZHEJIANG JINCHEN SANPU HEAT EXCHANGER Co.,Ltd. |
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Denomination of invention: A parallel flow heat exchanger Effective date of registration: 20220708 Granted publication date: 20160210 Pledgee: Ruanshi sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG XINJINCHEN MACHINERY CO.,LTD. Registration number: Y2022980010049 |
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Date of cancellation: 20230703 Granted publication date: 20160210 Pledgee: Ruanshi sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG XINJINCHEN MACHINERY CO.,LTD. Registration number: Y2022980010049 |
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Denomination of invention: A parallel flow heat exchanger Effective date of registration: 20230705 Granted publication date: 20160210 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG XINJINCHEN MACHINERY CO.,LTD. Registration number: Y2023980047493 |