CN109059603A - Guiding device and method in a kind of printed circuit board exchanger head - Google Patents
Guiding device and method in a kind of printed circuit board exchanger head Download PDFInfo
- Publication number
- CN109059603A CN109059603A CN201811071991.7A CN201811071991A CN109059603A CN 109059603 A CN109059603 A CN 109059603A CN 201811071991 A CN201811071991 A CN 201811071991A CN 109059603 A CN109059603 A CN 109059603A
- Authority
- CN
- China
- Prior art keywords
- water conservancy
- conservancy diversion
- end socket
- porous plate
- printed circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000012530 fluid Substances 0.000 claims abstract description 41
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000004087 circulation Effects 0.000 claims 1
- 230000008646 thermal stress Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000016285 Movement disease Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
Abstract
The invention discloses the guiding device and method in a kind of printed circuit board exchanger head, which includes the water conservancy diversion porous plate and water conservancy diversion side plate being mounted in the end socket of printed circuit sheet heat exchanger；Water conservancy diversion porous plate is made of the arc-shaped flow dividing structure and surrounding plate at middle part, arc-shaped flow dividing structure just the inlet tube of end socket, water conservancy diversion side plate be mounted on the inlet tube of end socket and the contact position of end socket；Space in end socket is divided into two parts by water conservancy diversion porous plate, and a part is communicated with inlet tube, and another part is communicated with the runner on the core for the printed circuit sheet heat exchanger being arranged under end socket；The present invention can change the flow field structure in traditional end socket, the fluid for entering end socket is uniformly distributed to each minitype channel entrance of heat exchanger core body, keep fluid flow in each minitype channel of substantially equal, improve the heat transfer efficiency of printed circuit sheet heat exchanger, mitigate the heat transfer deviation generated by mass flow discrepancy and the core built-in thermal stress in turn resulted in, guarantees the safety and stability of heat exchanger.
Description
Technical field
The invention belongs to flowing heat transfer fields, and in particular to a kind of guiding device in printed circuit board exchanger head and
Method.
Background technique
Printed circuit sheet heat exchanger has the characteristics that heat exchange efficiency height, facility compact, to hold warm bearing capacity high, formerly sets out
The fields such as electric system, offshore drilling platforms, naval vessel using more and more.In general, printed circuit sheet heat exchanger by
Core and end socket composition.Core is manufactured by etching and two kinds of techniques of diffusion welding (DW), i.e., first etches on the plate of several millimeters thicks
Fluid channels out, conduit diameter are stacked alternately in 1-3mm, then the cold fluid and hot fluid plate etched, are put into diffusion brazier
Molecule is spread between realizing plate in sub, ultimately forms the core of printed circuit sheet heat exchanger.The inlet and outlet of cold fluid and hot fluid on core
Actually it is made of the inlet and outlet of tens to several hundred a minitype channels.End socket is welded on core, covers the big of import or export
Micro flow channel is measured, the distribution of printed circuit board heat exchanger inlet and outlet fluid thus may be implemented and collect.Participate in the stream of heat exchange
Body enters heat exchanger by the inlet tube being welded on end socket.But since end socket is much larger with respect to inlet tube, enter end socket
Fluid can directly be flushed in the micro flow channel with straight pair of inlet tube, cause the fluid flow in this part micro flow channel much big
Fluid flow in other micro flow channels.Fluid being unevenly distributed in runner will cause the decline of heat exchanger heat transfer efficiency,
Each interregional temperature of heat exchanger becomes larger thus thermal stress also becomes larger, and significantly reduces the performance of heat exchanger and safety.
In consideration of it, can make the present invention provides guiding device and method in a kind of printed circuit board exchanger head
Uniform flow distribution of the fluid of heat exchange in each minitype channel is participated in, heat exchanger performance caused by avoiding because of fluid distrbution unevenness
The problem of decline and thermal stress become larger.
Summary of the invention
The purpose of the present invention is to provide the guiding devices and method in a kind of printed circuit board exchanger head, make each micro-
Even fluid distribution in type runner, the as far as possible overall efficiency of raising heat exchanger and safety.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of guiding device in printed circuit board exchanger head, the end socket including being mounted on printed circuit sheet heat exchanger
Water conservancy diversion porous plate 4 and water conservancy diversion side plate 5 in 2；The water conservancy diversion porous plate 4 is by the arc-shaped flow dividing structure at middle part and surrounding flat
Board group at, arc-shaped flow dividing structure just the inlet tube 1 of end socket 2, the water conservancy diversion side plate 5 be mounted on the inlet tube 1 and envelope of end socket 2
First 2 contact position；Space in end socket 2 is divided into two parts by water conservancy diversion porous plate 4, and a part is communicated with inlet tube 1, another portion
Divide and is communicated with the runner on the core 3 for the printed circuit sheet heat exchanger being arranged under end socket 2；Water conservancy diversion porous plate 4 is equipped with aperture,
So that the fluid in 4 two sides space of water conservancy diversion porous plate can circulate.
Intermediate sparse, the intensive feature in periphery is presented in aperture on the water conservancy diversion porous plate 4.
The water conservancy diversion side plate 5 is parallel to the wall surface that water conservancy diversion porous plate 4 is extended to end socket 2, also is provided with out on water conservancy diversion side plate 5
Hole.
The method of river diversion of guiding device in the printed circuit board exchanger head is passed through from the fluid of inlet tube 1
Runner between the arc-shaped flow dividing structure and water conservancy diversion side plate 5 of water conservancy diversion porous plate 4 is assigned to entire 4 surface of water conservancy diversion porous plate, so
The surface of the core 3 of printed circuit sheet heat exchanger is flowed to by the aperture on water conservancy diversion porous plate 4 afterwards；Due to water conservancy diversion porous plate 4
Arc-shaped flow dividing structure enables to the fluid into end socket 2 to flow to the peripheral region of arc-shaped flow-guiding structure rapidly, to keep away
Exempt from directly to be flushed to 3 surface of core from the fluid of inlet tube 1；Water conservancy diversion side plate 5 can reduce the disorder degree of branching process, water conservancy diversion
The surface intermediate sparse, the intensive aperture in periphery can make fluid be evenly distributed to 3 intake channel of core is presented on porous plate 4,
Finally make the fluid flow into each core passageway suitable.
The invention has the following advantages: guiding device and method in a kind of printed circuit board exchanger head, energy
It is miniature logical to be uniformly distributed to each of heat exchanger core body by enough flow field structures changed in traditional end socket for the fluid for entering end socket
Road entrance keeps fluid flow in each minitype channel of substantially equal, improve printed circuit sheet heat exchanger heat transfer efficiency, mitigate because
The heat transfer deviation and the core built-in thermal stress in turn resulted in that mass flow discrepancy generates, guarantee the safety and stabilization of heat exchanger
Property.
Detailed description of the invention
Fig. 1 is the schematic perspective view of guiding device of the present invention.
Fig. 2 is the cross-sectional view of guiding device of the present invention.
Fig. 3 is water conservancy diversion porous plate schematic diagram.
Fig. 4 is the aperture feature schematic diagram on water conservancy diversion porous plate.
Fig. 5 is water conservancy diversion side plate schematic diagram.
Wherein, 1 it is inlet tube, 2 be end socket, 3 be core, 4 be water conservancy diversion porous plate, 5 is water conservancy diversion side plate.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
As depicted in figs. 1 and 2, the guiding device in a kind of printed circuit board exchanger head of the present invention, including be mounted on
Water conservancy diversion porous plate 4 and water conservancy diversion side plate 5 in the end socket 2 of printed circuit sheet heat exchanger；The water conservancy diversion porous plate 4 by middle part circular arc
Shape flow dividing structure and surrounding plate composition, arc-shaped flow dividing structure just the inlet tube 1 of end socket 2, the water conservancy diversion side plate 5 pacify
Mounted in the inlet tube 1 of end socket 2 and the contact position of end socket 2；Space in end socket 2 is divided into two parts by water conservancy diversion porous plate 4, and one
Divide and communicated with inlet tube 1, another part is communicated with the runner on the core 3 for the printed circuit sheet heat exchanger being arranged under end socket 2；
Water conservancy diversion porous plate 4 is equipped with aperture, so that the fluid in 4 two sides space of water conservancy diversion porous plate can circulate.
As shown in figure 3, the water conservancy diversion porous plate 4 is made of arc-shaped flow dividing structure and surrounding plate.
As shown in figure 4, intermediate sparse, the intensive feature in periphery is presented in the aperture on water conservancy diversion porous plate 4.
As shown in figure 5, being water conservancy diversion side plate schematic diagram, water conservancy diversion side plate 5 can be parallel to water conservancy diversion porous plate 4 and be extended to end socket 2
Wall surface, can also aperture on water conservancy diversion side plate 5.
The method of river diversion of guiding device in printed circuit board exchanger head of the present invention is passed through from the fluid of inlet tube 1
Runner between the arc-shaped flow dividing structure and water conservancy diversion side plate 5 of water conservancy diversion porous plate 4 is assigned to entire 4 surface of water conservancy diversion porous plate, so
The surface of the core 3 of printed circuit sheet heat exchanger is flowed to by the aperture on water conservancy diversion porous plate 4 afterwards.Due to water conservancy diversion porous plate 4
Arc-shaped flow dividing structure enables to the fluid into end socket 2 to flow to the peripheral region of arc-shaped flow-guiding structure rapidly, to keep away
Exempt from directly to be flushed to 3 surface of core from the fluid of inlet tube 1.Water conservancy diversion side plate 5 can reduce the disorder degree of branching process.Water conservancy diversion
The surface intermediate sparse, the intensive aperture in periphery can make fluid be evenly distributed to 3 intake channel of core is presented on porous plate 4,
Finally make the fluid flow into each core passageway suitable.
Specific work process of the invention are as follows:
Divide from the fluid of inlet tube 1 through the runner between the arc-shaped flow dividing structure of water conservancy diversion porous plate 4 and water conservancy diversion side plate 5
It is fitted on entire 4 surface of water conservancy diversion porous plate.The effect of the arc-shaped flow dividing structure of water conservancy diversion porous plate 4 is perpendicular to 3 entrance of core
The flowing on surface is smoothly converted to the flowing for being parallel to 3 inlet surface of core, is directly impinging heat exchange so as to avoid fluid
Device core inlet surface.And fluid can be uniformly distributed to all directions centered on it by arc-shaped flow dividing structure,
Further ensure the uniformity of fluid distrbution.In addition, water conservancy diversion side plate 5 can reduce the movement disorder degree of branching process.Through
It crosses water conservancy diversion porous plate 4 and water conservancy diversion side plate 5 changes the fluid behind flow direction, flow to print using the aperture on water conservancy diversion porous plate 4
The surface of the core 3 of printed circuit board heat exchanger.Aperture on water conservancy diversion porous plate 4 is in the intensive feature in intermediate sparse outside, intermediate
Aperture it is sparse primarily to reduce inlet tube position fluid pass through water conservancy diversion porous plate 4 reach core surface fluid flow,
Outer side opening is intensively finally to make the stream into each core passageway to increase the fluid flow for passing through water conservancy diversion porous plate 4 at this
Body flow is suitable.
Claims (4)
1. the guiding device in a kind of printed circuit board exchanger head, it is characterised in that: changed including being mounted on printed circuit board
Water conservancy diversion porous plate (4) and water conservancy diversion side plate (5) in the end socket (2) of hot device；The water conservancy diversion porous plate (4) is by arc-shaped point of middle part
Flow structure and surrounding plate composition, arc-shaped flow dividing structure just the inlet tube (1) of end socket (2), the water conservancy diversion side plate (5)
It is mounted on the inlet tube (1) of end socket (2) and the contact position of end socket (2)；Water conservancy diversion porous plate (4) the space in end socket (2) every
At two parts, a part is communicated with inlet tube (1), the printed circuit sheet heat exchanger of another part and setting under end socket (2)
Runner on core (3) communicates；Water conservancy diversion porous plate (4) is equipped with aperture, so as to the fluid energy in water conservancy diversion porous plate (4) two sides space
Enough circulations.
2. the guiding device in a kind of printed circuit board exchanger head according to claim 1, it is characterised in that: described
Intermediate sparse, the intensive feature in periphery is presented in aperture on water conservancy diversion porous plate (4).
3. the guiding device in a kind of printed circuit board exchanger head according to claim 1, it is characterised in that: described
Water conservancy diversion side plate (5) is parallel to the wall surface that water conservancy diversion porous plate (4) is extended to end socket (2), and water conservancy diversion side plate also is provided with aperture on (5).
4. the method for river diversion of the guiding device in the described in any item printed circuit board exchanger heads of claims 1 to 3, special
Sign is: between arc-shaped flow dividing structure of the fluid through water conservancy diversion porous plate (4) and water conservancy diversion side plate (5) that inlet tube (1) is come
Runner is assigned to entire water conservancy diversion porous plate (4) surface, then flows to printed circuit board by the aperture on water conservancy diversion porous plate (4) and changes
The surface of the core (3) of hot device；Since the arc-shaped flow dividing structure of water conservancy diversion porous plate (4) enables to the stream into end socket (2)
Body flows to rapidly the peripheral region of arc-shaped flow-guiding structure, so that the fluid come from inlet tube (1) be avoided directly to be flushed to core (3)
Surface；Water conservancy diversion side plate (5) can reduce the disorder degree of branching process, and presentation is intermediate sparse on water conservancy diversion porous plate (4), and periphery is close
The aperture of collection can make fluid be evenly distributed to the surface of core (3) intake channel, finally make the stream into each core passageway
Body flow is suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811071991.7A CN109059603A (en) | 2018-09-14 | 2018-09-14 | Guiding device and method in a kind of printed circuit board exchanger head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811071991.7A CN109059603A (en) | 2018-09-14 | 2018-09-14 | Guiding device and method in a kind of printed circuit board exchanger head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109059603A true CN109059603A (en) | 2018-12-21 |
Family
ID=64761681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811071991.7A Pending CN109059603A (en) | 2018-09-14 | 2018-09-14 | Guiding device and method in a kind of printed circuit board exchanger head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109059603A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095001A (en) * | 2019-05-13 | 2019-08-06 | 江苏双良低碳产业技术研究院有限公司 | A kind of air-cooled board-like heat exchanger of mixed type printed wire of high-pressure hydrogen storing |
| CN111991823A (en) * | 2020-08-21 | 2020-11-27 | 江苏一万节能科技股份有限公司 | Fluid distribution plate for falling film evaporator |
| CN112097566A (en) * | 2020-09-23 | 2020-12-18 | 哈尔滨工业大学 | Rectification structure of printed circuit board heat exchanger |
| CN112304120A (en) * | 2019-07-31 | 2021-02-02 | 中国石油天然气集团有限公司 | Heat exchanger |
| CN113492298A (en) * | 2021-07-08 | 2021-10-12 | 南通曙光机电工程有限公司 | Preparation method for press forming of printed circuit board heat exchanger sealing head body |
| CN114413658A (en) * | 2021-12-13 | 2022-04-29 | 西北工业大学 | Plate-shell type heat exchanger with guide plate |
| CN114963840A (en) * | 2022-05-19 | 2022-08-30 | 西安交通大学 | Kangda flow guide seal head of plate heat exchanger |
| CN116558328A (en) * | 2023-07-10 | 2023-08-08 | 中国核动力研究设计院 | Microchannel heat exchanger and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071778U (en) * | 1990-05-14 | 1991-02-20 | 开封空分设备厂 | Air-flow even distributor for plate-fin heat exchanger |
| US20050006079A1 (en) * | 2003-05-29 | 2005-01-13 | Katsuya Ishii | Heat exchanger and manufacturing method for the same |
| CN2735284Y (en) * | 2004-07-26 | 2005-10-19 | 西安交通大学 | End socket structure of uniform flow guiding plate-fin heat exchanger |
| CN102967170A (en) * | 2012-11-13 | 2013-03-13 | 西安交通大学 | Turning vane sealing head of plate-fin heat exchanger |
| CN103017591A (en) * | 2013-01-14 | 2013-04-03 | 中国石油大学(华东) | Head baffle of plate-fin heat exchanger |
| CN206291774U (en) * | 2016-11-18 | 2017-06-30 | 天津商业大学 | A kind of end enclosure structure with flow deflector |
| CN106989629A (en) * | 2017-02-27 | 2017-07-28 | 浙江大学 | The two-directional corrugations type water conservancy diversion end socket and its construction method of a kind of plate-fin heat exchanger |
| CN108020113A (en) * | 2017-11-30 | 2018-05-11 | 中国商用飞机有限责任公司 | Plate fin type heat exchanger end socket |
| CN208952771U (en) * | 2018-09-14 | 2019-06-07 | 西安热工研究院有限公司 | A kind of guiding device in printed circuit board exchanger head |
-
2018
- 2018-09-14 CN CN201811071991.7A patent/CN109059603A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071778U (en) * | 1990-05-14 | 1991-02-20 | 开封空分设备厂 | Air-flow even distributor for plate-fin heat exchanger |
| US20050006079A1 (en) * | 2003-05-29 | 2005-01-13 | Katsuya Ishii | Heat exchanger and manufacturing method for the same |
| CN2735284Y (en) * | 2004-07-26 | 2005-10-19 | 西安交通大学 | End socket structure of uniform flow guiding plate-fin heat exchanger |
| CN102967170A (en) * | 2012-11-13 | 2013-03-13 | 西安交通大学 | Turning vane sealing head of plate-fin heat exchanger |
| CN103017591A (en) * | 2013-01-14 | 2013-04-03 | 中国石油大学(华东) | Head baffle of plate-fin heat exchanger |
| CN206291774U (en) * | 2016-11-18 | 2017-06-30 | 天津商业大学 | A kind of end enclosure structure with flow deflector |
| CN106989629A (en) * | 2017-02-27 | 2017-07-28 | 浙江大学 | The two-directional corrugations type water conservancy diversion end socket and its construction method of a kind of plate-fin heat exchanger |
| CN108020113A (en) * | 2017-11-30 | 2018-05-11 | 中国商用飞机有限责任公司 | Plate fin type heat exchanger end socket |
| CN208952771U (en) * | 2018-09-14 | 2019-06-07 | 西安热工研究院有限公司 | A kind of guiding device in printed circuit board exchanger head |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095001A (en) * | 2019-05-13 | 2019-08-06 | 江苏双良低碳产业技术研究院有限公司 | A kind of air-cooled board-like heat exchanger of mixed type printed wire of high-pressure hydrogen storing |
| CN112304120A (en) * | 2019-07-31 | 2021-02-02 | 中国石油天然气集团有限公司 | Heat exchanger |
| CN112304120B (en) * | 2019-07-31 | 2022-08-02 | 中国石油天然气集团有限公司 | Heat exchanger |
| CN111991823A (en) * | 2020-08-21 | 2020-11-27 | 江苏一万节能科技股份有限公司 | Fluid distribution plate for falling film evaporator |
| CN112097566A (en) * | 2020-09-23 | 2020-12-18 | 哈尔滨工业大学 | Rectification structure of printed circuit board heat exchanger |
| CN113492298A (en) * | 2021-07-08 | 2021-10-12 | 南通曙光机电工程有限公司 | Preparation method for press forming of printed circuit board heat exchanger sealing head body |
| CN114413658A (en) * | 2021-12-13 | 2022-04-29 | 西北工业大学 | Plate-shell type heat exchanger with guide plate |
| CN114963840A (en) * | 2022-05-19 | 2022-08-30 | 西安交通大学 | Kangda flow guide seal head of plate heat exchanger |
| CN116558328A (en) * | 2023-07-10 | 2023-08-08 | 中国核动力研究设计院 | Microchannel heat exchanger and manufacturing method thereof |
| CN116558328B (en) * | 2023-07-10 | 2023-09-01 | 中国核动力研究设计院 | Microchannel heat exchanger and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |