CN103307915A - Flat plate heat pipe - Google Patents
Flat plate heat pipe Download PDFInfo
- Publication number
- CN103307915A CN103307915A CN201210058060XA CN201210058060A CN103307915A CN 103307915 A CN103307915 A CN 103307915A CN 201210058060X A CN201210058060X A CN 201210058060XA CN 201210058060 A CN201210058060 A CN 201210058060A CN 103307915 A CN103307915 A CN 103307915A
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- flat
- plate
- passage
- plate heat
- 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
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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
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2225/00—Reinforcing means
- F28F2225/04—Reinforcing means for conduits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Geometry (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a flat plate heat pipe, which comprises a shell, a capillary structure and a working medium, wherein an accommodating space is formed in the shell; the capillary structure and the working medium are arranged in the accommodating space; the flat plate heat pipe is characterized by also comprising a partition plate, wherein the upper and lower opposite ends of the partition plate are butted against the two opposite inner surfaces of the shell respectively to segment the accommodating space into a first passage and a second passage which are side-by-side; meanwhile, the capillary structure is segmented into two capillary parts which are attached to the two opposite side faces and are positioned in the first passage and the second passage by a partition plate respectively. Compared with the prior art, the flat plate heat pipe has the advantages that since the partition plate is positioned to segment the accommodating space into the first passage and the second passage, the distribution of evaporated gas in the first passage and the second passage is relatively uniform, thereby realizing uniform stressing of each part in the shell and achieving a more uniform heat transfer effect.
Description
Technical field
The present invention relates to a kind of heat pipe, particularly a kind of flat-plate heat pipe.
Background technology
At present industry generally adopts heat pipe to solve the high density heat dissipation problem of high-speed computer, such as products such as heat pipe, loop hot-pipe and flat-plate heat pipes (Vapor Chamber).
The operation principle of flat-plate heat pipe is identical with conventional heat pipe, because it has the heat transfer area larger than conventional heat pipe, and meets the high practical value of " light, thin, short, little ", has on the electronic product of larger radiating surface and be widely applied.
Traditional flat-plate heat pipe comprises a metal shell and evenly is attached at a metal shell inner surface continuous capillary structure everywhere.Capillary structure comprises a steam channel in the inner.During flat-plate heat pipe work, the working media in the capillary structure is because evaporating by heat and entering steam channel.Enter the easy phase mutual interference of working media of steam channel everywhere and form turbulent flow from capillary structure, and then make the local focus that forms of housing, cause heat not distribute from housing uniformly everywhere.
Summary of the invention
In view of this, be necessary to provide a kind of flat-plate heat pipe with excellent heat dispersion performance.
A kind of flat-plate heat pipe, comprise that inside is formed with a housing of receiving space and is located at described receiving space interior capillary structure and working media, it is characterized in that: described flat-plate heat pipe also comprises a dividing plate, the up and down opposite end of described dividing plate is supported respectively relative two inner surfaces of described housing and described receiving space is divided into side by side a first passage and a second channel, simultaneously, described dividing plate with described capillary structure be divided into be attached at respectively its relative two sides and lay respectively at first passage and second channel in two capillary sections.
Compared with prior art, flat-plate heat pipe of the present invention is divided into first passage and second channel because of dividing plate with receiving space, and two capillary sections of capillary structure are distributed in respectively a side of first passage and second channel, so that after the working media evaporation, phase mutual interference between the boil-off gas is less, boil-off gas in first passage and the second channel distributes relatively even, thereby has avoided turbulent generation and reach evenly outside heat-transfer effect.
With reference to the accompanying drawings, the invention will be further described in conjunction with specific embodiments.
Description of drawings
Fig. 1 is the horizontal schematic diagram of flat-plate heat pipe of the present invention.
Fig. 2 is vertical schematic diagram of flat-plate heat pipe of the present invention.
The main element symbol description
| Flat- |
1 |
| |
10 |
| |
11 |
| |
13 |
| Connecting |
15 |
| Receiving |
17 |
| |
30 |
| |
50 |
| |
51 |
| Section is sticked | 53 |
| |
55 |
| |
171 |
| |
173 |
| Face is sticked | 531 |
The following specific embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
The specific embodiment
See also Fig. 1, flat-plate heat pipe 1 of the present invention comprises a housing 10, is positioned at a dividing plate 30 of housing 10, a capillary structure 50 and some working media (not shown).
This housing 10 is made into integration by heat conductivility good material such as brass, copper alloy etc., comprises the top board 11 of a lengthwise, with the base plate 13 of top board 11 intervals and a parallel relative lengthwise and connect the two arc connecting plates 15 at top board 11 and base plate 13 edges.Distance between the outer surface of described top board 11 and base plate 13 is between 0.8 millimeter to 2.0 millimeters, that is the height of whole housing 10 is between 0.8 millimeter to 2.0 millimeters.Described top board 11, base plate 13 and the connecting plate 15 common receiving spaces 17 that form a lengthwise.
Described capillary structure 50 is by the woven mesh structure of the metal wire knitted such as copper, silver or aluminium wire or by the metal powder sintered powder sintered structure that forms.Described capillary structure 50 is arranged at up and down be sticked respectively inner surface of top board 11 and base plate 13 of opposite end of the middle part of receiving space 17 and its along the length direction of housing 10.In the present embodiment, this capillary structure 50 is a lengthwise bar, and the length of its length and top board 11 is suitable, and cross section roughly is " worker " font, comprises a waist 51 and is positioned at two sections 53 that are sticked of waist opposite end about in the of 51.The transverse width of each section 53 that is sticked is wide than waist 51, the equal in length of longitudinal length and waist 51.Each section 53 that is sticked has the face that is sticked 531 of a lengthwise, is used for being sticked with housing 10 corresponding surfaces.It is excessive that each section 53 edge that are sticked is 45 degree arc chord angles, in order to increase the contact area of capillary structure 50 and working media.
Described dividing plate 30 is the solid plate body of a lengthwise, and material good by heat conductivility and that have certain compression strength is made, such as metal etc.The length of the top board 11 of the length of described dividing plate 30 and described housing 10 is suitable, highly equals the distance between described top board 11 and base plate 13 inner surfaces.
Described dividing plate 30 is arranged at the middle part of described capillary structure 50 and the inner surface that its upper and lower side is vertically supported respectively top board 11 and base plate 13 along the length direction of housing 10.So, dividing plate 30 is divided into capillary structure 50 the two capillary sections 55 that are sticked respectively in its relative two sides in a longitudinal direction, and dividing plate 30 is divided into side by side a first passage 171 and a second channel 173 with receiving space 17.Described two capillary sections 55 lay respectively in the first passage 171 and second channel 173 of described receiving space 17.Because the length of the top board 11 of the length of dividing plate 30 and housing 10 and base plate 13 is identical, thereby receiving space 17 is dividing in the mutual disconnected first passage 171 of working media traffic direction and second channel 173.
Please consult simultaneously Fig. 2, when the base plate 13 of flat-plate heat pipe 1 contacts with thermal source and absorbs heat, working media in it is because evaporating by heat, the working media of these evaporations is respectively in first passage 171 and second channel 173 interior direction of arrow operations along Fig. 2 indication, outwards dispel the heat and condensation by top board 11, condensed working media is back to base plate 13 places fast owing to the traction of two capillary sections 55.Simultaneously, dividing plate 30 also conducts to top board 11 with the heat of its absorption fast and distributes, and strengthens the heat transfer efficiency of flat-plate heat pipe 1.
Because the section that is sticked 53 that capillary structure 50 contacts with top board 11 is wide than waist 51, thereby capillary structure 50 and the contact area of condensed working media are increased.Simultaneously, again because the section that is sticked 53 that contacts with base plate 13 is large than waist 51, thereby form an inverted funnel structure, draw fast working media and reflux, accelerated the back-flow velocity of working media.
Because dividing plate 30 is positioned at housing 10 middle parts and receiving space 17 is divided into first passage 171 and second channel 173, and capillary section 55 only is distributed in a side of first passage 171 and second channel 173, so that after the working media evaporation, phase mutual interference between the boil-off gas is less, boil-off gas in first passage 171 and the second channel 173 distributes relatively even, thereby has avoided turbulent generation and reached evenly outside heat-transfer effect.Because dividing plate 30 has certain compression strength, so, can strengthen the non-deformability of housing 10 simultaneously, further guarantee the stability of flat-plate heat pipe 1.
Understandable, in other embodiments, described dividing plate 30 also can be along the width setting of housing 10, as long as its receiving space 17 that the working media of housing 10 inner evaporations can be circulated is divided into two.Understandable, also can in housing 10 inside a plurality of dividing plates 30 be set as required, receiving space 17 is divided into the passage of required quantity.
Claims (11)
1. flat-plate heat pipe, comprise that inside is formed with a housing of receiving space and is located at described receiving space interior capillary structure and working media, it is characterized in that: described flat-plate heat pipe also comprises a dividing plate, the up and down opposite end of described dividing plate is supported respectively relative two inner surfaces of described housing and described receiving space is divided into side by side a first passage and a second channel, simultaneously, described dividing plate with described capillary structure be divided into be attached at respectively its relative two sides and lay respectively at first passage and second channel in two capillary sections.
2. flat-plate heat pipe as claimed in claim 1, it is characterized in that: described first passage and second channel are organized the medium traffic direction the worker and are not communicated with.
3. flat-plate heat pipe as claimed in claim 2, it is characterized in that: described housing comprise a lengthwise top board and with the base plate of top board interval and a parallel lengthwise that is oppositely arranged, described dividing plate along the length direction of top board be arranged at the middle part of housing and up and down opposite end support respectively the inner surface of top board and base plate.
4. flat-plate heat pipe as claimed in claim 3, it is characterized in that: the length of described dividing plate is identical with the length of the top board of housing and base plate, thereby receiving space is dividing in the mutual disconnected first passage of working media traffic direction and second channel.
5. flat-plate heat pipe as claimed in claim 1, it is characterized in that: described dividing plate is the good solid plate body of heat conductivility.
6. flat-plate heat pipe as claimed in claim 3, it is characterized in that: described capillary structure is a lengthwise bar, along the length direction of top board be arranged at the middle part of housing and up and down opposite end support respectively the inner surface of top board and base plate.
7. flat-plate heat pipe as claimed in claim 6, it is characterized in that: described capillary structure cross section is " worker " font, comprise a waist and lay respectively at up and down two sections that are sticked of opposite end of waist, described two sections of being sticked are attached at respectively the inner surface of described top board and base plate.
8. flat-plate heat pipe as claimed in claim 7 is characterized in that: it is excessive that described each section edge that is sticked is 45 degree arc chord angles, in order to increase the contact area of capillary structure and working media.
9. flat-plate heat pipe as claimed in claim 6, it is characterized in that: described dividing plate is positioned at the middle part of described capillary structure.
10. flat-plate heat pipe as claimed in claim 3, it is characterized in that: the distance between the outer surface of described top board and base plate is between 0.8 millimeter to 2.0 millimeters.
11. flat-plate heat pipe, comprise that inside is formed with the housing of receiving space and is located at described receiving space interior capillary structure and working media, it is characterized in that: described flat-plate heat pipe also comprises dividing plate, described dividing plate is divided into first passage and second channel with described receiving space, the relative two sides of described dividing plate are respectively in described first passage, second channel, described capillary structure comprises two capillary sections, and described two capillary sections are located at respectively on the described relative two sides of described dividing plate.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210058060XA CN103307915A (en) | 2012-03-07 | 2012-03-07 | Flat plate heat pipe |
| TW101108571A TWI585356B (en) | 2012-03-07 | 2012-03-14 | Plate-type heat pipe |
| US13/437,952 US20130233520A1 (en) | 2012-03-07 | 2012-04-03 | Flat heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210058060XA CN103307915A (en) | 2012-03-07 | 2012-03-07 | Flat plate heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103307915A true CN103307915A (en) | 2013-09-18 |
Family
ID=49113013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210058060XA Pending CN103307915A (en) | 2012-03-07 | 2012-03-07 | Flat plate heat pipe |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20130233520A1 (en) |
| CN (1) | CN103307915A (en) |
| TW (1) | TWI585356B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310911A (en) * | 2016-08-22 | 2017-01-11 | 山东国舜建设集团有限公司 | Combined type deep purification device for desulfurized wet flue gas |
| CN113819783A (en) * | 2021-09-10 | 2021-12-21 | 联想(北京)有限公司 | Heat pipe and manufacturing method thereof |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013157535A1 (en) * | 2012-04-16 | 2013-10-24 | 古河電気工業株式会社 | Heat pipe |
| CN105698579A (en) * | 2014-11-28 | 2016-06-22 | 台达电子工业股份有限公司 | Heat pipe |
| US11306974B2 (en) | 2016-06-15 | 2022-04-19 | Delta Electronics, Inc. | Temperature plate and heat dissipation device |
| US11543188B2 (en) | 2016-06-15 | 2023-01-03 | Delta Electronics, Inc. | Temperature plate device |
| CN107504847A (en) * | 2017-09-14 | 2017-12-22 | 济南大学 | A kind of heat-pipe elements of two-way heat transfer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162134A (en) * | 2006-10-10 | 2008-04-16 | 台达电子工业股份有限公司 | Heat pipe and its manufacturing method |
| CN101493296A (en) * | 2009-02-27 | 2009-07-29 | 赵耀华 | Novel flat-plate heat pipe with stratose microflute subfebrile temperature tube group |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005043026A (en) * | 2003-07-25 | 2005-02-17 | Toyo Radiator Co Ltd | Flat tube for heat exchanger |
| US20050098300A1 (en) * | 2003-09-12 | 2005-05-12 | Kenya Kawabata | Heat sink with heat pipes and method for manufacturing the same |
| CN100529636C (en) * | 2005-09-05 | 2009-08-19 | 鸿富锦精密工业（深圳）有限公司 | Heat pipe and method for manufacturing same |
| US7447029B2 (en) * | 2006-03-14 | 2008-11-04 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Vapor chamber for dissipation heat generated by electronic component |
| CN101398272A (en) * | 2007-09-28 | 2009-04-01 | 富准精密工业(深圳)有限公司 | Hot pipe |
| US20100071879A1 (en) * | 2008-09-19 | 2010-03-25 | Foxconn Technology Co., Ltd. | Method for manufacturing a plate-type heat pipe and a plate-type heat pipe obtained thereby |
| US20100077614A1 (en) * | 2008-09-26 | 2010-04-01 | Foxconn Technology Co., Ltd. | Method for manufacturing a wick structure of a plate-type heat pipe |
-
2012
- 2012-03-07 CN CN201210058060XA patent/CN103307915A/en active Pending
- 2012-03-14 TW TW101108571A patent/TWI585356B/en not_active IP Right Cessation
- 2012-04-03 US US13/437,952 patent/US20130233520A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162134A (en) * | 2006-10-10 | 2008-04-16 | 台达电子工业股份有限公司 | Heat pipe and its manufacturing method |
| CN101493296A (en) * | 2009-02-27 | 2009-07-29 | 赵耀华 | Novel flat-plate heat pipe with stratose microflute subfebrile temperature tube group |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310911A (en) * | 2016-08-22 | 2017-01-11 | 山东国舜建设集团有限公司 | Combined type deep purification device for desulfurized wet flue gas |
| CN113819783A (en) * | 2021-09-10 | 2021-12-21 | 联想(北京)有限公司 | Heat pipe and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201337196A (en) | 2013-09-16 |
| US20130233520A1 (en) | 2013-09-12 |
| TWI585356B (en) | 2017-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130918 |
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| RJ01 | Rejection of invention patent application after publication |