CN101641004A - Radiating device - Google Patents
Radiating device Download PDFInfo
- Publication number
- CN101641004A CN101641004A CN200810303273A CN200810303273A CN101641004A CN 101641004 A CN101641004 A CN 101641004A CN 200810303273 A CN200810303273 A CN 200810303273A CN 200810303273 A CN200810303273 A CN 200810303273A CN 101641004 A CN101641004 A CN 101641004A
- Authority
- CN
- China
- Prior art keywords
- radiating fin
- ring edge
- heat pipe
- gap
- perforation
- 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.)
- Granted
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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
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
-
- 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
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention relates to a radiating device, comprising a heat pipe and a plurality of radiating fins, wherein each radiating fin comprises a main body and an edgefold formed by bending to one side from the end of the main body, and the edgefold abuts against the main body of the adjacent radiating fin; the main body of each radiating fin is provided with a through hole, and each main body extendsalong the circumference of the through hole to the direction of the main body of the adjacent radiating fin to form a ring edge; the ring edges form an accommodating channel which accommodates the heat pipe; the ring edge at least has a part whose height is smaller than the width of the edgefold so that a gap is formed between the part of the ring edge and the main body of the adjacent radiatingfin, and the gap is used for accommodating excessive solder paste filled between the heat pipe and the radiating fin; thus, when the heat pipe penetrates through the accommodating piece formed by thethrough holes, excessive solder paste can not be extruded out and can remain inside the gap, thus the solder paste can be effectively used.
Description
Technical field
The invention relates to a kind of heat abstractor, especially for the heat abstractor that heat-generating electronic elements is dispelled the heat.
Background technology
Produce a large amount of heats during electronic component (as central processing unit) operation, and itself and system temperature are raise, cause the decline of its runnability then.For guaranteeing that electronic component can normally move, heat abstractor is installed on electronic component usually, discharge the heat that it produces.
Existing heat abstractor generally comprises a heat pipe and some radiating fins.Each radiating fin is provided with a perforation, and along the outwards outstanding ring edge that is provided with of perforation periphery.During assembling, the ring edge of each radiating fin and adjacent radiating fin lean and form an airtight passage of accommodating, and this inner surface of accommodating passage is provided with tin cream in advance, and heat pipe is set in this and accommodates in the passage and interconnect by described tin cream and radiating fin.For can allow heat pipe penetrate easily and with described radiating fin between can closely contact, the big or small operated by rotary motion of the perforation on this radiating fin must be more bigger than the external diameter of heat pipe, when heat pipe from one end to the other side being placed through this when accommodating in the passage, be coated with in advance and be located at this tin cream of accommodating channel inner surface and taken out of from the other end of accommodating passage by heat pipe easily, therefore, the tin cream that stays between described radiating fin and the heat pipe is less, thereby cause between heat pipe and the radiating fin welding not tight, and then cause the properties of product instability.
For make between convenient and this heat pipe of wearing of heat pipe and the radiating fin combine more reliable, industry adopts the pore size with perforation to be provided with to such an extent that equate with the external diameter of heat pipe, and, perforation is connected with the external world by this opening above the ring edge, being provided with an opening on the radiating fin.During assembling, at first heat pipe is placed through this and accommodates in the passage, add tin cream by this opening again.Yet this opening can reduce the area of radiating fin, and complex operation during the assembling of this heat abstractor.
Summary of the invention
In view of this, be necessary the heat abstractor that provides a kind of welding effect better and easy to assembly.
A kind of heat abstractor, comprise a heat pipe and some radiating fins, each radiating fin comprises that a body reaches the flanging that extends to form to a lateral buckling from the end of this body, the body of the radiating fin that described flanging is adjacent is inconsistent, the body of each radiating fin is provided with a perforation, each body extends to form a ring edge along the direction of periphery to the body place of the radiating fin that is adjacent of described perforation, describedly respectively encircle the passage of accommodating that heat pipe is accommodated in the corresponding formation one of edge, described ring edge has the width of the height of a part less than this flanging at least along its circumferencial direction, make between the body of the described part of this ring edge and adjacent radiating fin and form a gap, this gap is used to accommodate the excessive tin cream that is filled between heat pipe and the radiating fin.
A kind of heat abstractor, comprise a heat pipe and a plurality of radiating fin, each radiating fin comprises a body, the body of each radiating fin is provided with a perforation, the periphery of this perforation is provided with a ring edge, this heat pipe is housed in the perforation of each radiating fin and by tin cream and contacts with the ring edge of each radiating fin, have on the circumferencial direction of described ring edge that the interval forms a gap between a part and the body of adjacent radiating fin at least, this gap is used to accommodate the excessive tin cream between the ring edge that is filled in heat pipe and radiating fin.
Compared with prior art, form the gap between the body of above-mentioned heat abstractor by ring edge and adjacent radiating fin, heat pipe be arranged in by perforation constitute accommodate passage the time, be unlikely to have too much tin cream to be extruded by heat pipe, excessive tin cream can remain in this gap, effectively utilized tin cream, made between heat pipe and the radiating fin and weld closely, made properties of product stable.Simultaneously,, avoided removing the operation of the tin cream that is extruded, made assembling also more convenient because tin cream can not extruded by heat pipe.
Description of drawings
Be further described in conjunction with the embodiments with reference to the accompanying drawings:
Fig. 1 is the three-dimensional combination figure of heat abstractor first embodiment of the present invention.
Fig. 2 is the side sectional view of Fig. 1.
Fig. 3 does not establish the enlarged diagram of tin cream for IV part among Fig. 2.
Fig. 4 is the enlarged diagram of IV part among Fig. 2.
Fig. 5 is the part enlarged diagram of heat abstractor second embodiment of the present invention.
Embodiment
Be first embodiment of heat abstractor of the present invention as shown in Figures 1 and 2, this heat abstractor comprises a radiating fin group 20 and is arranged in a heat pipe 10 in this radiating fin group 20.
This heat pipe 10 is a flat hot pipe.
This radiating fin group 20 is arranged in order by some radiating fins 22 and forms.Be parallel to each other between the described radiating fin 22, and the distance that space one equates between every adjacent two radiating fins 22 and form a gas channel.Each radiating fin 22 comprises a body 220 and respectively from the top of body 220 and two flangings 222 forming to a lateral buckling of bottom.This flanging 222 is vertical mutually with body 220, each flanging 222 comprises that a stiff end that is connected with body 220 reaches from the outward extending free end of this stiff end, the width of described two flangings 222 equates, each flanging 222 stretches out respectively in its free-ended and arranged on left and right sides and is provided with a clasp 224, and is respectively equipped with a draw-in groove 226 in the and arranged on left and right sides of its stiff end.The position of described draw-in groove 226 and size are corresponding with the position of described clasp 224 and size respectively, thereby the clasp 224 of each radiating fin 22 can be contained in accordingly in the draw-in groove 226 of an adjacent radiating fin 22 described radiating fin 22 is interconnected.The central authorities of the body 220 of each radiating fin 22 are provided with a perforation 2202, and the shape of this perforation 2202 is identical with the shape of the cross section of heat pipe 10, and its size is slightly larger than the external diameter of this heat pipe 10.In the present embodiment, the internal diameter of perforation 2202 is than the big 0.1 ~ 0.2mm of external diameter of this heat pipe 10 on the body 220 of radiating fin 22.Each radiating fin 22 is provided with a ring edge 2204 in the peripheral correspondence of perforation 2202, and this ring edge 220 is located on the outer peripheral edges of this perforation 2202, and extends from body 220 outside one, and this ring edge 2204 is identical with the bearing of trend of this flanging 222.In the present embodiment, the height of described ring edge 2204 equates along the various piece of its circumferencial direction, and the height of the various piece of ring edge 2204 is all less than the width of described flanging 222.
When assembling this radiating fin group 20, between every two adjacent radiating fins 22, be positioned at rear side radiating fin 22 flanging 222 and the radiating fin 22 that is positioned at its front side body 220 mutually against, and in the draw-in groove 226 of the radiating fin that is contained in this front side 22 of clasp 224 correspondences of the radiating fin 22 of this rear side, interconnect by of the fastening effect of described clasp 224 with draw-in groove 226.The perforation 2202 of described radiating fin 22 is alignd mutually, and between every two adjacent radiating fins 22, the ring edge 2204 that is positioned at the radiating fin 22 of rear side extends to the body 220 place directions of the radiating fin 22 that is positioned at its front side, and described ring edge 2204 is accommodated passage 2208 in what the central authorities of this radiating fin group 20 formed a column.As shown in Figure 3, because the height of ring edge 2204 less than the width of flanging 222, forms a small gap 2206 between the body 220 of the end of the ring edge 2204 of the radiating fin 22 of this rear side and the radiating fin 22 of this front side.This is accommodated passage 2208 and is interconnected by the gas channel that described gap 2206 forms respectively and between adjacent two radiating fins 22, and promptly this gap 2206 is accommodated passage 2208 with this and is divided into plurality of sections.
When assembling this heat pipe 10, at first accommodate the inner surface of passage 2208 or be coated with one deck tin cream 30 in the outer surface of heat pipe 10 in this, then heat pipe 10 is worn to the other end from an end of accommodating passage 2208 of this radiating fin group 20, accommodated in the passage 2208 thereby heat pipe 10 is contained in this.As shown in Figure 4, because 220 of the bodies of the end of ring edge 2204 and adjacent radiating fin 22 are formed with gap 2206, heat pipe 10 be arranged in by the perforation 2202 constitute accommodate passage 2208 time, be unlikely to have too much tin cream 30 to be extruded by heat pipe 10, excessive tin cream 30 can remain in this gap 2206, effectively utilized tin cream 30, made between heat pipe 10 and the radiating fin 22 and weld closely, made properties of product stable.Simultaneously,, avoided removing the operation of the tin cream 30 that is extruded, made assembling also more convenient because tin cream 30 can not extruded by heat pipe 10.In addition, make by this gap 2206 and to accommodate passage 2208 and communicate with the external world, the volatilization of being heated of the rosin in the scaling powder of tin cream 30 2206 is discharged from the gap, makes the solder side seam abundant, and the final end properties that forms is stable, the heat transfer efficiency height.Simultaneously, the middle position of radiating fin 22 is located in the perforation 2202 in this heat abstractor, reducing conducting to the conducting path of heat on radiating fin 22 on the radiating fin group 20 by heat pipe 10, and can be distributed in radiating fin 22 rapidly everywhere.
Fig. 5 is heat abstractor second embodiment of the present invention, and the difference of itself and aforementioned first embodiment is: each ring edge 2204a is unequal along the height of the different piece of its circumferencial direction.In the present embodiment, each ring edge 2204a equals the width of flanging 222 along the maximum height of its circumferencial direction, and this each ring edge 2204a is along the minimum constructive height of its circumferencial direction width less than described flanging 222.Therefore, after these radiating fin group 20 assemblings, between every two adjacent radiating fins 22, be positioned at the body 220 mutual butts of the radiating fin 22 of the part of end of ring edge 2204a of radiating fin 22 of rear side and its front side, and form a gap 2206a between the body 220 of the radiating fin 22 of another part and this front side.
Claims (10)
1. heat abstractor, comprise a heat pipe and some radiating fins, each radiating fin comprises that a body reaches the flanging that extends to form to a lateral buckling from the end of this body, the body of the radiating fin that described flanging is adjacent is inconsistent, the body of each radiating fin is provided with a perforation, each body extends to form a ring edge along the direction of periphery to the body place of the radiating fin that is adjacent of described perforation, describedly respectively encircle the passage of accommodating that heat pipe is accommodated in the corresponding formation one of edge, it is characterized in that: described ring edge has the width of the height of a part less than this flanging at least along its circumferencial direction, make between the body of the described part of this ring edge and adjacent radiating fin and form a gap, this gap is used to accommodate the excessive tin cream that is filled between heat pipe and the radiating fin.
2. heat abstractor as claimed in claim 1 is characterized in that: the height of described ring edge various piece along the circumferential direction equates, and the height of various piece that should the ring edge is all less than the width of this flanging.
3. heat abstractor as claimed in claim 1 is characterized in that: the height difference of described ring edge different piece along the circumferential direction, and the maximum height of this ring edge equates with the width of this flanging.
4. heat abstractor as claimed in claim 1 is characterized in that: described flanging is provided with buckle structure, and each radiating fin links together by this buckle structure.
5. heat abstractor as claimed in claim 1 is characterized in that: described flanging is formed at the top and the bottom of radiating fin respectively.
6. heat abstractor as claimed in claim 1 is characterized in that: the aperture of described perforation is slightly larger than the external diameter of this heat pipe.
7. heat abstractor as claimed in claim 1 is characterized in that: the central authorities of the body of radiating fin are located in described perforation.
8. heat abstractor, comprise a heat pipe and a plurality of radiating fin, each radiating fin comprises a body, the body of each radiating fin is provided with a perforation, the periphery of this perforation is provided with a ring edge, this heat pipe is housed in the perforation of each radiating fin and by tin cream and contacts with the ring edge of each radiating fin, it is characterized in that: have on the circumferencial direction of described ring edge that the interval forms a gap between a part and the body of adjacent radiating fin at least, this gap is used to accommodate the excessive tin cream between the ring edge that is filled in heat pipe and radiating fin.
9. heat abstractor as claimed in claim 8 is characterized in that: all parts on the circumferencial direction of described ring edge form the gap all and between the body of adjacent radiating fin at interval.
10. heat abstractor as claimed in claim 8 is characterized in that: only form the gap at interval between the body of some and adjacent radiating fin on the circumferencial direction of described ring edge, and the body of remainder and adjacent radiating fin connects.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103032738A CN101641004B (en) | 2008-07-31 | 2008-07-31 | Radiating device |
| US12/241,072 US20100025018A1 (en) | 2008-07-31 | 2008-09-30 | Heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103032738A CN101641004B (en) | 2008-07-31 | 2008-07-31 | Radiating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101641004A true CN101641004A (en) | 2010-02-03 |
| CN101641004B CN101641004B (en) | 2012-03-14 |
Family
ID=41607148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103032738A Expired - Fee Related CN101641004B (en) | 2008-07-31 | 2008-07-31 | Radiating device |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20100025018A1 (en) |
| CN (1) | CN101641004B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116586A (en) * | 2009-12-30 | 2011-07-06 | 富准精密工业(深圳)有限公司 | Heat dissipating device |
| CN103096680A (en) * | 2011-10-28 | 2013-05-08 | 富瑞精密组件（昆山）有限公司 | Heat dissipation device |
| CN104981130A (en) * | 2014-04-02 | 2015-10-14 | 华硕电脑股份有限公司 | Heat radiating fin and heat radiating module |
| JP7420631B2 (en) | 2020-04-15 | 2024-01-23 | 古河電気工業株式会社 | Heat sink and its manufacturing method |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271483B (en) * | 2010-06-07 | 2015-07-08 | 富瑞精密组件（昆山）有限公司 | Heat-dissipating combined structure |
| CN206610058U (en) * | 2017-03-31 | 2017-11-03 | 北京京东方光电科技有限公司 | Backlight module |
| CN211375292U (en) * | 2020-02-18 | 2020-08-28 | 中强光电股份有限公司 | Heat dissipation structure and projection device |
| CN114505411A (en) * | 2022-01-21 | 2022-05-17 | 东莞汉旭五金塑胶科技有限公司 | Close-fitting riveting structure and riveting method for radiating fin group and heat pipe in string |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2602650A (en) * | 1951-04-12 | 1952-07-08 | Marcotte Louis Philippe | Fin type radiator |
| CN2569532Y (en) * | 2002-08-20 | 2003-08-27 | 浚雅科技有限公司 | Improved heat conductive tube and radiation fin device |
| CN1566887A (en) * | 2003-06-14 | 2005-01-19 | 鸿富锦精密工业（深圳）有限公司 | Combining method for heat pipes and radiating fins |
| CN2718499Y (en) * | 2004-07-30 | 2005-08-17 | 得益电讯精密科技股份有限公司 | Assembling heat sink |
| US7121333B2 (en) * | 2004-12-30 | 2006-10-17 | Dong-Mau Wang | Radiator sheet |
| US7273094B2 (en) * | 2005-07-27 | 2007-09-25 | Asia Vitag Components Co. Ltd. | Cooling fin unit |
| US20070023177A1 (en) * | 2005-07-27 | 2007-02-01 | Li-Ping Lee | Cooling fin assembly |
| CN1967820A (en) * | 2005-11-18 | 2007-05-23 | 富准精密工业(深圳)有限公司 | Fin heat abstractor |
-
2008
- 2008-07-31 CN CN2008103032738A patent/CN101641004B/en not_active Expired - Fee Related
- 2008-09-30 US US12/241,072 patent/US20100025018A1/en not_active Abandoned
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116586A (en) * | 2009-12-30 | 2011-07-06 | 富准精密工业(深圳)有限公司 | Heat dissipating device |
| CN102116586B (en) * | 2009-12-30 | 2013-11-06 | 富准精密工业(深圳)有限公司 | Heat dissipating device |
| CN103096680A (en) * | 2011-10-28 | 2013-05-08 | 富瑞精密组件（昆山）有限公司 | Heat dissipation device |
| CN103096680B (en) * | 2011-10-28 | 2017-06-06 | 富瑞精密组件（昆山）有限公司 | Heat abstractor |
| CN104981130A (en) * | 2014-04-02 | 2015-10-14 | 华硕电脑股份有限公司 | Heat radiating fin and heat radiating module |
| JP7420631B2 (en) | 2020-04-15 | 2024-01-23 | 古河電気工業株式会社 | Heat sink and its manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100025018A1 (en) | 2010-02-04 |
| CN101641004B (en) | 2012-03-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20140731 |
|
| EXPY | Termination of patent right or utility model |