CN106535590B - Heat dissipation assembly - Google Patents
Heat dissipation assembly Download PDFInfo
- Publication number
- CN106535590B CN106535590B CN201710002803.4A CN201710002803A CN106535590B CN 106535590 B CN106535590 B CN 106535590B CN 201710002803 A CN201710002803 A CN 201710002803A CN 106535590 B CN106535590 B CN 106535590B
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- CN
- China
- Prior art keywords
- fin
- auxiliary
- fins
- heat
- bottom wall
- 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.)
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 8
- 230000004907 flux Effects 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
- H05K7/20418—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a heat dissipation assembly, which comprises a base plate and a heat radiator arranged on one side of the base plate, wherein the heat radiator at least comprises a first fin and a second fin, each fin comprises a bottom wall arranged on the base plate and a side wall formed by bending and extending from one side of the bottom wall, a protrusion is outwards protruded from one side of the bottom wall away from the side wall, and a groove is formed between the protrusion and the side wall; the protrusions of the first fins are inserted into the grooves of the second fins, so that the first fins and the second fins are mutually buckled together. Compared with the prior art, the heat radiation assembly has the advantages that the fins are firmly arranged on the substrate due to the fact that the fins are mutually buckled, and the heat flux density of the heat radiation assembly is balanced due to the fact that the fins are mutually buckled, so that the heat radiation performance of the heat radiation assembly is improved.
Description
Technical Field
The present invention relates to heat dissipation assemblies, and more particularly to a heat dissipation assembly for a small-sized hot plug connector.
Background
The optical module is composed of an optoelectronic device, a functional circuit, an optical interface and the like. Wherein the optoelectronic device comprises two parts, namely an emitting part and a receiving part. In short, the optical module has the main function of realizing photoelectric conversion, converting an electric signal into an optical signal at a transmitting end, transmitting the optical signal through an optical fiber, and converting the optical signal into an electric signal at a receiving end, thereby realizing information transmission.
With the development of optical modules, the power consumption of the optical modules is also higher and higher, especially QSFP optical modules and sfp+ optical modules. Therefore, the quality of the heat dissipation performance of the optical module relates to the performance of the high-rate transmission switch.
Chinese patent No. 201420031367.5 discloses a heat dissipating assembly comprising a base, a mounting boss mounted on the base, and a plurality of heat dissipating fins mounted on the base. The heat sinks are individually mounted on the base, and each of the heat sinks is independent of the other. Therefore, the heat flux density of the heat dissipation assembly is unbalanced, and the heat dissipation performance of the heat dissipation assembly is reduced.
In view of the foregoing, it is desirable to provide a new heat dissipating assembly that solves the foregoing problems.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem solved by the invention is to provide the heat radiation component, wherein each fin is buckled with each other, so that the fin is firmly arranged on the substrate, and the heat flux density of the heat radiation component is balanced due to the buckling of the fins, so that the heat radiation performance of the heat radiation component is improved.
In order to solve the technical problems, the technical scheme of the invention is realized as follows:
the heat dissipation assembly comprises a base plate and a heat radiator arranged on one side of the base plate, wherein the heat radiator at least comprises a first fin and a second fin, each fin comprises a bottom wall arranged on the base plate and a side wall formed by bending and extending from one side of the bottom wall, a protrusion is formed by protruding one side of the bottom wall away from the side wall outwards, and a groove is formed between the protrusion and the side wall; the protrusions of the first fins are inserted into the grooves of the second fins, so that the first fins and the second fins are mutually buckled together.
Further, the intersection of the side wall of each fin and the groove is also extended outwards to form an inserting sheet; the inserting sheet of the second fin is inserted into the groove of the first fin.
Further, the insert is perpendicular to the bottom wall.
Further, the cross sections of the protrusions and the grooves are convex.
Further, an auxiliary protrusion is formed by outwards bending and extending one side of the side wall of each fin far away from the bottom wall, an auxiliary groove is formed between the auxiliary protrusion and the side wall, and the protrusion and the auxiliary protrusion are positioned on the same side of the side wall; the auxiliary protrusions of the first fins are inserted into the auxiliary grooves of the second fins.
Further, an auxiliary inserting sheet is formed at the intersection of the side wall of each fin and the auxiliary groove in an outward extending mode; the auxiliary inserting piece of the second fin is inserted into the auxiliary groove of the first fin.
Further, the auxiliary insert is perpendicular to the auxiliary protrusion.
Further, each fin has two protrusions and two auxiliary protrusions, the projections of the two auxiliary protrusions on the bottom wall being located between the projections of the two protrusions on the bottom wall.
Further, the heat dissipation assembly is also provided with a heat conduction piece; the base plate is provided with a containing groove for containing the heat conducting pieces, and the heat conducting pieces are positioned between the bottom walls of the fins and the base plate and are contacted with the bottom wall of each fin.
Further, the heat dissipation assembly is further provided with a mounting boss, the mounting boss is located at one side of the substrate, which is away from the heat sink, and the heat conducting piece is located between the mounting boss and the substrate.
The beneficial effects of the invention are as follows: compared with the prior art, each fin of the heat dissipation assembly is buckled with each other, so that the fins are firmly arranged on the substrate, and the heat flux density of the heat dissipation assembly becomes balanced due to the buckling of the fins, so that the heat dissipation performance of the heat dissipation assembly is improved.
Drawings
Fig. 1 is a schematic perspective view of a heat dissipating assembly according to the present invention.
Fig. 2 is an exploded perspective view of the heat dissipating assembly of fig. 1.
Fig. 3 is a schematic view of the structure of the fin.
Fig. 4 is a schematic structural diagram of a heat sink.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in the drawings and described in accordance with the drawings are merely exemplary and the invention is not limited to these embodiments.
It is also noted herein that, in order to avoid obscuring the present invention with unnecessary detail, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, while other details not greatly related to the present invention are omitted.
In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1 and 2, the heat dissipating assembly 100 of the present invention includes a substrate 10, a heat sink 20 mounted on one side of the substrate 10, a heat conducting member 30, and a mounting boss 40. The substrate 10 is provided with a receiving groove 11 for receiving the heat conductive member 30. Referring to fig. 3 and 4, the heat sink 20 includes at least a first fin 23 and a second fin 24 disposed opposite to the first fin 23. In this embodiment, the first fin and the second fin are only used to refer to two adjacent different parts, and the structures of the first fin and the second fin may be identical. Each fin includes a bottom wall 21 mounted on the base plate 10 and a side wall 22 formed by bending and extending from one side of the bottom wall 21. A protrusion 211 is formed to protrude outward from a side of the bottom wall 21 away from the side wall 22, and a groove 212 is provided between the protrusion 211 and the side wall 22. The intersection of the side wall 22 and the groove 212 is also formed with a tab 213 extending outwardly, the tab 213 being perpendicular to the bottom wall 21. An auxiliary protrusion 221 is formed by bending and extending the side of the side wall 22 away from the bottom wall 21, and an auxiliary groove 222 is provided between the auxiliary protrusion 221 and the side wall 22. An auxiliary insertion piece 223 is formed at the intersection of the side wall 22 and the auxiliary groove 222 in an outward extending manner, and the auxiliary insertion piece 223 is perpendicular to the auxiliary protrusion 221. The protrusions 211, 221 are located on the same side of the side wall 22. In the present embodiment, each fin has two protrusions 211 and two auxiliary protrusions 221, and the projections of the two auxiliary protrusions 221 on the bottom wall 21 are located between the projections of the two protrusions 211 on the bottom wall 21. The cross sections of the protrusions 211, the grooves 212, the auxiliary protrusions 221 and the auxiliary grooves 222 are all convex. When the heat exchanger is mounted, the protrusions 211 of the first fins 23 are inserted into the grooves 212 of the second fins 24, and the inserting pieces 213 of the second fins 24 are inserted into the grooves 212 of the first fins 23, so that the first fins 23 and the second fins 24 are buckled with each other, and the fins can be firmly mounted on the base plate 10. The auxiliary protrusions 221 of the first fin 23 are inserted into the auxiliary grooves 222 of the second fin 24, and the auxiliary insertion pieces 223 of the second fin 24 are inserted into the auxiliary grooves 222 of the first fin 23. The first fins 23 and the second fins 24 are fastened to each other, so that the heat flux density of the heat dissipation assembly 100 becomes balanced, and the heat dissipation performance of the heat dissipation assembly 100 is improved. The heat conductive member 30 is positioned between the bottom wall 21 of the fin and the base plate 10 and contacts the bottom wall 21 of each fin, thereby further improving the heat dissipation performance of the heat dissipation assembly 100. The mounting boss 40 is located on a side of the base plate 10 facing away from the heat sink 20, and the heat conductive member 30 is located between the mounting boss 40 and the base plate 10.
Compared with the prior art, the heat dissipation assembly 100 of the present invention has the advantages that the fins are firmly mounted on the substrate 10 due to the mutual buckling of each fin, and the heat flux density of the heat dissipation assembly 100 becomes balanced due to the mutual buckling of the fins, so that the heat dissipation performance of the heat dissipation assembly 100 is improved
It is specifically pointed out that equivalent variations for the invention as taught by those skilled in the art are still within the scope of the present invention as claimed in the claims.
Claims (8)
1. The utility model provides a heat dissipation subassembly, includes the base plate and installs the radiator of base plate one side, the radiator includes first fin and second fin at least, its characterized in that: each fin comprises a bottom wall and a side wall, wherein the bottom wall is arranged on the base plate, the side wall is formed by bending and extending from one side of the bottom wall, a protrusion is formed by outwards protruding one side of the bottom wall away from the side wall, and a groove is formed between the protrusion and the side wall; the protrusions of the first fins are inserted into the grooves of the second fins, so that the first fins and the second fins are mutually buckled;
the intersection of the side wall of each fin and the groove is also extended outwards to form an inserting sheet; the inserting sheet of the second fin is inserted into the groove of the first fin;
an auxiliary protrusion is formed on one side of the side wall of each fin, which is far away from the bottom wall, and an auxiliary groove is formed between the auxiliary protrusion and the side wall, and the auxiliary protrusion of the first fin is inserted into the auxiliary groove of the second fin;
each fin has two protrusions and two auxiliary protrusions, the projections of the two auxiliary protrusions on the bottom wall being located between the projections of the two protrusions on the bottom wall.
2. The heat dissipating assembly of claim 1, wherein: the insert is perpendicular to the bottom wall.
3. The heat dissipating assembly of claim 1, wherein: the cross sections of the protrusions and the grooves are convex.
4. The heat dissipating assembly of claim 1, wherein: the protrusion and the auxiliary protrusion are located on the same side of the side wall.
5. The heat dissipating assembly of claim 4, wherein: the intersection of the side wall of each fin and the auxiliary groove is also extended outwards to form an auxiliary inserting sheet; the auxiliary inserting piece of the second fin is inserted into the auxiliary groove of the first fin.
6. The heat dissipating assembly of claim 5, wherein: the auxiliary insert is perpendicular to the auxiliary protrusion.
7. The heat dissipating assembly of claim 1, wherein: the heat dissipation assembly is also provided with a heat conduction piece; the base plate is provided with a containing groove for containing the heat conducting pieces, and the heat conducting pieces are positioned between the bottom walls of the fins and the base plate and are contacted with the bottom wall of each fin.
8. The heat dissipating assembly of claim 7, wherein: the heat dissipation assembly is further provided with a mounting boss, the mounting boss is located on one side, away from the radiator, of the substrate, and the heat conduction piece is located between the mounting boss and the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002803.4A CN106535590B (en) | 2017-01-03 | 2017-01-03 | Heat dissipation assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002803.4A CN106535590B (en) | 2017-01-03 | 2017-01-03 | Heat dissipation assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106535590A CN106535590A (en) | 2017-03-22 |
| CN106535590B true CN106535590B (en) | 2023-12-12 |
Family
ID=58336704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710002803.4A Active CN106535590B (en) | 2017-01-03 | 2017-01-03 | Heat dissipation assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106535590B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109124402A (en) * | 2018-10-30 | 2019-01-04 | 珠海格力电器股份有限公司 | A kind of wall-breaking machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2912203Y (en) * | 2006-03-02 | 2007-06-13 | 汉达精密电子(昆山)有限公司 | Simple buckling structure of radiating fins |
| CN101304648A (en) * | 2007-05-09 | 2008-11-12 | 富准精密工业(深圳)有限公司 | Radiating device |
| CN101610659A (en) * | 2008-06-20 | 2009-12-23 | 富准精密工业(深圳)有限公司 | Radiator |
| CN101754649A (en) * | 2008-12-03 | 2010-06-23 | 富准精密工业(深圳)有限公司 | Radiator and making method of radiating fins thereof |
| CN102223782A (en) * | 2010-04-19 | 2011-10-19 | 富瑞精密组件（昆山）有限公司 | Radiator |
| CN202455713U (en) * | 2011-12-14 | 2012-09-26 | 台达电子企业管理（上海）有限公司 | Radiating fin and radiating device |
| CN202495440U (en) * | 2012-03-14 | 2012-10-17 | 台达电子工业股份有限公司 | Heat radiating fins and heat radiating device |
| CN206481538U (en) * | 2017-01-03 | 2017-09-08 | 温州意华接插件股份有限公司 | Radiating subassembly |
-
2017
- 2017-01-03 CN CN201710002803.4A patent/CN106535590B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2912203Y (en) * | 2006-03-02 | 2007-06-13 | 汉达精密电子(昆山)有限公司 | Simple buckling structure of radiating fins |
| CN101304648A (en) * | 2007-05-09 | 2008-11-12 | 富准精密工业(深圳)有限公司 | Radiating device |
| CN101610659A (en) * | 2008-06-20 | 2009-12-23 | 富准精密工业(深圳)有限公司 | Radiator |
| CN101754649A (en) * | 2008-12-03 | 2010-06-23 | 富准精密工业(深圳)有限公司 | Radiator and making method of radiating fins thereof |
| CN102223782A (en) * | 2010-04-19 | 2011-10-19 | 富瑞精密组件（昆山）有限公司 | Radiator |
| CN202455713U (en) * | 2011-12-14 | 2012-09-26 | 台达电子企业管理（上海）有限公司 | Radiating fin and radiating device |
| CN202495440U (en) * | 2012-03-14 | 2012-10-17 | 台达电子工业股份有限公司 | Heat radiating fins and heat radiating device |
| CN206481538U (en) * | 2017-01-03 | 2017-09-08 | 温州意华接插件股份有限公司 | Radiating subassembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106535590A (en) | 2017-03-22 |
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