CN103697629A - Parallel flow heat exchanger with novel structure - Google Patents
Parallel flow heat exchanger with novel structure Download PDFInfo
- Publication number
- CN103697629A CN103697629A CN201310431843.2A CN201310431843A CN103697629A CN 103697629 A CN103697629 A CN 103697629A CN 201310431843 A CN201310431843 A CN 201310431843A CN 103697629 A CN103697629 A CN 103697629A
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- Prior art keywords
- header
- upper cavity
- pipe
- right header
- lower chamber
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- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 6
- 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
- 238000000034 method Methods 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
- 238000005476 soldering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a parallel flow heat exchanger with a novel structure. Left and right separators are arranged in left and right collecting pipes to divide the left and right collecting pipes into left and right collecting pipe upper cavities and left and right collecting pipe lower cavities. The right collecting pipe upper cavity is communicated with the right collecting pipe lower cavity by a through hole in the right separator, wherein the heights of the left collecting pipe upper and lower cavities are respectively equal to those of the right collecting pipe upper and lower cavities; the heights of the left and right collecting pipe upper cavities are greater than those of the left and right collecting pipe lower cavities; the right collecting pipe is also provided with a U-shaped communicating pipe; a pipe orifice of a vertical pipe at one side of the communicating pipe is sealed, the vertical pipe at one side of the communicating pipe extends into the right collecting pipe upper cavity from the upper end port of the right collecting pipe, and the pipe wall of the vertical pipe at one side of the communicating pipe is provided with a plurality of openings; a pipe orifice of a vertical pipe at the other side of the communicating pipe is open and the vertical pipe at the other side of the communicating pipe extends to pass through the pipe wall of the right collecting pipe to enter the right collecting pipe lower cavity. According to the invention, liquidity of a working medium is improved; heat exchange efficiency of the working medium is greatly improved; a structure and a production process of the collecting pipe are simplified; the requirement on the production technology is reduced; the rejection rate is reduced; the production cost is reduced.
Description
Technical field
The invention belongs to parallel-flow heat exchanger technical field, specifically relate to a kind of parallel-flow heat exchanger of new structure.
Background technology
Parallel-flow heat exchanger is to realize 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 that are parallel to each other, and is provided with some parallel heat radiating flat tubes substantially between two headers, and between adjacent flat tube, soldering has heat transmission fin.During work, medium is pressed design direction and is flowed between header along flat tube, carry out heat exchange, in order to improve heat exchanger effectiveness in mobile with the air of blowing over fin, the medium every heat radiating flat tube of must uniform distribution flowing through, this just need to make improvements the structure of header.The applicant's patent " parallel flow heat exchanger of novel uniform distribution structure " (application number: 201010246554.1, the applying date: 2010-08-05) with " collecting pipe structure of heat exchanger " (application number: 201010298093.2, the applying date: 2010-09-29), all collecting pipe structure is improved.These improve structure can play the effect of all joining medium, but structure is still very complicated, and the mobility of medium is not good enough, affected 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 solves the existing technical problem of prior art, and a kind of parallel-flow heat exchanger of new structure is provided.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of parallel-flow heat exchanger of new structure, comprise a pair of left and right header that is parallel to each other and is separated from each other and the some flat tubes that two ends are communicated with and are parallel to each other with left and right header inner chamber respectively, between adjacent flat tube, be provided with fin, in described left header, be provided with left clapboard left header is separated into left header upper cavity and left header lower chamber, in described right header, be provided with right clapboard right header is separated into right header upper cavity and right header lower chamber, right header upper cavity and right header lower chamber are connected by the through hole on right clapboard, wherein left header upper cavity equates with the height of right header upper cavity, left header lower chamber equates 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, on described right header, be also provided with " U " shape communicating pipe, the side verticle tube sealing of communicating pipe also 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 the interior flat tube radical of right header upper cavity.
As preferably, extend in right header upper cavity the opening on vertical tube tube wall described communicating pipe over against the port of flat tube.
When refrigeration is used, working medium is all joined and is entered from left header upper cavity, through top flat tube, flow into right header upper cavity, most of 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, two bursts of working medium flow into left header lower chamber along bottom flat tube after mixing in right header lower chamber, and last all working medium flows out and collects from left header lower chamber; Heat while using, working medium is all joined and is entered from left header lower chamber, through bottom flat tube, flow into right header lower chamber, small part working medium is sprayed and is entered right header upper cavity by the through hole on right clapboard in right header, some openings injections that most of working medium enters communicating pipe 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 and collects from left header upper cavity.The present invention is by the improvement to collecting pipe structure, make refrigeration and heat the mobility of working medium in process to be improved, can significantly improve the heat exchange efficiency of working medium, structure and the production technology of header have greatly been simplified besides, and then having reduced the requirement to production technology, percent defective is minimized, and has also reduced production cost, be conducive to applying of product, thus the present invention have simple in structure, 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, the 11st, and left clapboard, the 12nd, left header upper cavity, the 13rd, left header lower chamber, the 2nd, right header, the 21st, right clapboard, the 22nd, right header upper cavity, the 23rd, right header lower chamber, the 24th, through hole, the 3rd, flat tube, the 31st, fin, the 4th, communicating pipe, the 41st, opening.
The specific embodiment
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 a pair of left and right header that is parallel to each other and is separated from each other and the some flat tubes that two ends are communicated with and are parallel to each other with left and right header inner chamber respectively, between adjacent flat tube, be provided with fin, wherein in left header, be provided with left clapboard left header is separated into left header upper cavity and left header lower chamber, in right header, be provided with right clapboard right header is separated into right header upper cavity and right header lower chamber, right header upper cavity and right header lower chamber are connected by the through hole on right clapboard, left header upper cavity equates with the height of right header upper cavity, left header lower chamber equates 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 sealing of communicating pipe also 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 the interior flat tube radical of right header upper cavity, opening is over against 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 is used, working medium is all joined and is entered from left header upper cavity, through top flat tube, flow into right header upper cavity, most of 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, two bursts of working medium flow into left header lower chamber along bottom flat tube after mixing in right header lower chamber, and last all working medium flows out and collects from left header lower chamber; Heat while using, working medium is all joined and is entered from left header lower chamber, through bottom flat tube, flow into right header lower chamber, small part working medium is sprayed and is entered right header upper cavity by the through hole on right clapboard in right header, some openings injections that most of working medium enters communicating pipe 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 and collects from left header upper cavity.The present invention is by the improvement to collecting pipe structure, make refrigeration and heat the mobility of working medium in process to be improved, can significantly improve the heat exchange efficiency of working medium, structure and the production technology of header have greatly been simplified besides, and then having reduced the requirement to production technology, percent defective is minimized, and has also reduced production cost, be conducive to applying of product, thus the present invention have simple in structure, 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 or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (5)
1. the parallel-flow heat exchanger of a new structure, comprise a pair of left and right header that is parallel to each other and is separated from each other and the some flat tubes that two ends are communicated with and are parallel to each other with left and right header inner chamber respectively, between adjacent flat tube, be provided with fin, it is characterized in that in described left header, being provided with left clapboard is separated into left header upper cavity and left header lower chamber by left header, in described right header, be provided with right clapboard right header is separated into right header upper cavity and right header lower chamber, right header upper cavity and right header lower chamber are connected by the through hole on right clapboard, wherein left header upper cavity equates with the height of right header upper cavity, left header lower chamber equates 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, on described right header, be also provided with " U " shape communicating pipe, the side verticle tube sealing of communicating pipe also 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 of new structure according to claim 1, it is characterized in that described 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.
3. according to the parallel-flow heat exchanger of a kind of new structure described in claim 1 or 2, it is characterized in that extending into described communicating pipe the some openings on vertical tube tube wall in right header upper cavity, the quantity of opening is 1/3～1/4 of the interior flat tube radical of right header upper cavity.
4. according to the parallel-flow heat exchanger of a kind of new structure described in claim 1 or 2, it is characterized in that extending into described communicating pipe in right header upper cavity the opening on vertical tube tube wall over against the port of flat tube.
5. a kind of parallel-flow heat exchanger of new structure according to claim 3, is characterized in that extending into described communicating pipe in right header upper cavity the opening on vertical tube tube wall over against 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103697629A true CN103697629A (en) | 2014-04-02 |
| CN103697629B 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 |
|---|---|
| CN103697629B (en) | 2016-02-10 |
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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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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |
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