CN103841796B - Heat radiation module - Google Patents
Heat radiation module Download PDFInfo
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- CN103841796B CN103841796B CN201210481155.2A CN201210481155A CN103841796B CN 103841796 B CN103841796 B CN 103841796B CN 201210481155 A CN201210481155 A CN 201210481155A CN 103841796 B CN103841796 B CN 103841796B
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- Prior art keywords
- heat radiation
- radiation module
- tabs
- bottom plate
- air outlet
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
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Abstract
A kind of heat radiation module, a radiating fin group including a centrifugal fan and at the air outlet of centrifugal fan, the centrifugal fan includes a fan frame, the radiating fin group includes some fins, the edge correspondence fin that the fan frame is located at air outlet opens up some positioning holes, integrally extension forms tabs to the correspondence positioning hole on the fin, and the tabs passes through correspondence positioning hole and is fastened in fan frame.Compared with prior art, the edge each fin of correspondence that the fan frame of above-mentioned heat radiation module is located at air outlet opens up positioning hole, the each positioning hole of each fin correspondence is integrally formed one folding piece, the tabs is through positioning hole and snaps into fan frame, utilize the structure completion centrifugal fan of centrifugal fan and fin itself and being connected for radiating fin group, bonded without using tin material using soldering processing procedure, structure is more consolidated.
Description
Technical field
The present invention relates to heat radiation module, a kind of heat radiation module applied to electronic product radiating is particularly related to.
Background technology
With the fast development of electronics and information industry, the heat-generating electronic elements such as central processing unit at a high speed, high frequency and integrated
Its caloric value is increased severely, such as exclude these heats not in time, the rise of heat-generating electronic elements own temperature will be caused, and then cause
The damage of heat-generating electronic elements or the reduction of its performance.Therefore, dealer generally installs a heat radiation module additional on heat-generating electronic elements.
Generally, the heat radiation module includes the absorber plate with heat-generating electronic elements laminating, radiating fin group, is connected the heat absorption
To be connected by the heat pipe of the heat transfer of absorber plate to radiating fin group, and with the radiating fin group between plate and radiating fin group
Centrifugal fan.Radiating fin group is generally bound to the air outlet of centrifugal fan by industry using the soldering processing procedure of Overwelding and rewelding furnace
Place, its soldering speed need controlled according to the size of the temperature and heat radiation module itself in reflow oven adjustment, processing procedure compared with
For complexity, and heat radiation module easily comes off that to cause radiating fin group to be contacted with centrifugal fan not tight enough using rear tin material for a long time
Close, structure is not enough consolidated, and then influences the radiating efficiency of heat radiation module.
The content of the invention
In view of this, it is necessary to which providing a kind of can make the heat radiation module of radiating fin group and centrifugal fan stable connection.
A kind of heat radiation module, including a centrifugal fan and the radiating fin group at the air outlet of centrifugal fan, institute
Stating centrifugal fan includes a fan frame, and the radiating fin group includes some fins, and the fan frame is located at the edge correspondence of air outlet
Fin opens up the correspondence positioning hole on some positioning holes, the fin, and integrally extension forms tabs, and the tabs passes through correspondence
Positioning hole is simultaneously fastened in fan frame.
Compared with prior art, the fan frame of above-mentioned heat radiation module opens up positioning positioned at the edge each fin of correspondence of air outlet
Hole, each positioning hole of each fin correspondence is integrally formed one folding piece, and the tabs is through positioning hole and snaps into fan frame, utilizes
The structure completion centrifugal fan of centrifugal fan and fin itself and being connected for radiating fin group, tin is used without using tin material
Be welded Cheng Jinhang bondings, structure is more consolidated, at the same tabs and positioning hole can mould molding in advance, can significantly heat radiation
The assembly speed of module.
With reference to the accompanying drawings, with reference to embodiment, the invention will be further described.
Brief description of the drawings
Fig. 1 is the three-dimensional exploded view before the heat radiation module assembling of an embodiment of the present invention.
Fig. 2 is the schematic perspective view of heat radiation module pre-assembled state shown in Fig. 1.
Fig. 3 is the schematic perspective view after the assembling of heat radiation module shown in Fig. 1.
Main element symbol description
| Heat radiation module | 100 |
| Absorber plate | 10 |
| Heat pipe | 20 |
| Radiating fin group | 30 |
| Centrifugal fan | 40 |
| Evaporator section | 21 |
| Condensation segment | 22 |
| Linkage section | 23 |
| Fin | 31 |
| Location-plate | 32 |
| Body | 311 |
| Tabs | 312 |
| Flanging | 313 |
| Depression | 314 |
| Fan frame | 41 |
| Impeller | 42 |
| Base | 411 |
| Upper lid | 412 |
| Bottom plate | 413 |
| Side wall | 414 |
| Curved portions | 415 |
| Straight side plate | 416 |
| Lug | 417 |
| Tongue | 418 |
| Lug | 419 |
| Air outlet | 43 |
| Air intake vent | 44 |
| Positioning hole | 45 |
| Receiving space | 46 |
| Wheel hub | 421 |
| Flabellum | 422 |
Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Embodiment
Fig. 1 to Fig. 3 is referred to, is the heat radiation module 100 of one embodiment of the invention, it includes and heat-generating electronic elements（Figure
Do not show）The absorber plate 10 of laminating, the heat pipe 20 being connected with absorber plate 10, the radiating fin group 30 being connected with the heat pipe 20, and with
The centrifugal fan 40 of the radiating fin group 30 connection.Described one end of heat pipe 20 connects the absorber plate 10, and the other end connects the radiating
Fins group 30 is so that the heat transfer of absorber plate 10 is distributed to surrounding air to radiating fin group 30, and by centrifugal fan 40
In.
Specifically, the absorber plate 10 is a rectangular panel body, its lower surface is fitted with heat-generating electronic elements, and solid by correlation
Determine part（It is not shown）It is connected.
The heat pipe 20 is flat hot pipe, another positioned at its substantially in " C " shape, including positioned at an evaporator section 21 of its one end
The condensation segment 22 at end, and connect the linkage section 23 of the evaporator section 21 and condensation segment 22.The evaporator section 21 is a flat segments, and it is fitted
In the upper surface of the absorber plate 10 to absorb the heat of absorber plate 10.The condensation segment 22 is also a flat segments, itself and the heat radiating fin
The bottom surface laminating of piece group 30.The linkage section 23 is a bending section, and the heat of evaporator section 21 is reached condensation segment by the linkage section 23
22。
The radiating fin group 30 includes some fins 31, and the location-plate 32 being formed on fin 31.These fins
31 are parallel to each other against arrangement in the same direction.
The tabs 312 that each fin 31 includes a body 311, extended by body 311, and from body 311 below
The edge flanging 313 that vertical body 311 extends in the same direction.
The body 311 is a lengthwise flat board, and it forms a depression 314 close to one end lower edge of the centrifugal fan 40,
To house the condensation segment 22 of the heat pipe 20, i.e., the body 311 is in " L " shape.The width of the depression 314 and the condensation segment of heat pipe 20
22 width is equal.A depression 314 can need not also be had by being appreciated that body 311, and the condensation segment 22 of heat pipe 20 and body 311
Top edge or lower edge contact.
It is integrally formed per one folding piece 312 with corresponding body 311.In the present embodiment, the tabs 312 is in strip, its bottom
End is flushed with the lower edge of body 311, and its top extends above the top edge of the body 311.In fact, tabs 312
The lamellar body extended by the top edge of body 311 can be regarded as, top edge and close centrifugation of the tabs 312 by body 311
The one end of fan 40 extends.The tabs 312 also not necessarily body 311 this close to centrifugal fan 40 one end
Extend, for example, can be that some upper rim within the one end of body 311 extends.
The flanging 313 is abutted successively and width is equal, wherein to the flanging 313 and the heat pipe 20 that should be recessed in 314
Top surface fit.
On arragement direction of the location-plate 32 along some fins 31 set, the location-plate 32 in strip and with part
The flanging 313 of fin 31 is fitted.
The centrifugal fan 40 includes a fan frame 41 and the impeller 42 being contained in the fan frame 41.
The fan frame 41 include a base 411 and on base 411 one on lid 412, the base 411 with this on cover
412 enclose and are set as a receiving space 46.
The base 411 includes a bottom plate 413 and the side wall 414 integrally extended upwards from the edge of bottom plate 413.The bottom plate
413 be in tabular, and its middle part is to support the connection impeller 42.Under the bottom plate 413, the body 311 of radiating fin group 30
The lower surface of edge and heat pipe 20 is flush.
The side wall 414 is a semi-enclosed structure, and it includes a curved portions 415, from putting down that the ends of curved portions 415 extends
Front plate 416 and some lugs 417 provided with through hole, the curved portions 415 cave inward to be formed with the straight side plate 416 with respect to place
One tongue 418.Some lugs 417 are spaced is evenly distributed on side wall 414 for this, in the present embodiment, the quantity of the lug 417
For 4.This is straight side plate 416 and curved portions 415 form an air outlet 43 close to one end of the tongue 418.The side wall 414
Height is highly identical with the body 311 of the radiating fin group 30, and the top of side wall 414 is flushed with the top edge of the body 311.
The upper lid 412 is oppositely arranged in tabular and with the bottom plate 413.Center of lid 412 is provided with a circle on this
Air intake vent 44.Some lugs 417 of respective side wall 414 of lid 412 form some lugs 419 provided with through hole on this, to utilize spiral shell
Silk（It is not shown）Wear the lug 419 and lug 417 is connected lid 412 and the base 411 on this.The upper lid 412 is located at
The edge of the side of air outlet 43 extends outwardly beyond bottom plate 413, and keeps out in the location-plate 32.Lid 412 goes out positioned at this on this
The edge correspondence tabs 312 of the side of air port 43 opens up some positioning holes 45, some positioning holes 45 it is spaced and with this
The size of tabs 312 is identical, quantity is equal, and the tabs 312 wears the positioning hole 45 beyond lid 412 on this.
It should be understood that some positioning holes 45 also may be formed on the bottom plate 413 of base 411, corresponding, the bottom
The edge that plate 413 is located at the side of air outlet 43 extends outwardly beyond lid 412, now the tabs 312 towards this of radiating fin group 30
The direction of bottom plate 413 extends, and through positioning hole 45 and is fastened on bottom plate 413.
The impeller 42 is contained in the receiving space 46.The impeller 42 includes wheel hub 421 and is located on around wheel hub 421
Some flabellums 422.When the centrifugal fan 40 works, cool exterior air is entered in fan frame 41 by air intake vent 44, in impeller 42
Form air-flow in the presence of rotating at a high speed outwards to blow out from the air outlet 43, by the heat diffusion of radiating fin group 30 to surrounding
In air.
Please refer to Fig. 2 and Fig. 3, during assembling, the upper lid 412 of centrifugal fan 40 is first worn into lug 417 using screw
And lug 419 is fixed on base 411.In the positioning hole 45 that the tabs 312 of radiating fin group 30 is passed through to the upper lid 412 of correspondence,
The upper lid 412 is kept out in the location-plate 32.Part of horizontal using mould by the tabs 312 beyond lid 412 on this is withheld
On supreme lid 412, with the radiating fin group 30 and the centrifugal fan 40 of being connected.The absorber plate 10 is fitted fixation again
To heat-generating electronic elements（It is not shown）；The evaporator section 21 of heat pipe 20 is connected on absorber plate 10 by heat-conducting cream, simultaneously
This, which houses condensation segment 22, is fixed in the depression 314 of the radiating fin group, that is, completes the assembling of the heat radiation module 100.
During work, heat-generating electronic elements produce heat, and heat is conducted to radiating fin group via absorber plate 10 and heat pipe 20
30, cool exterior air is entered in fan frame 41 by air intake vent 44, and form air-flow in the presence of the high speed rotation of impeller 42 goes out from this
Air port 43 is outwards blown out, and by the heat diffusion of radiating fin group 30 into surrounding air.
One end that heretofore described radiating fin group 30 is located at the side of air outlet 43 extends a bodily form towards the direction of lid on this 412
Into some tabs 312, the edge correspondence tabs 312 of the lid 412 positioned at the side of air outlet 43 opens up some positioning holes 45 on this,
The tabs 312 through the positioning hole 45 and being snapped into using die horizontal on upper lid 412 so that using radiating fin group 30 with
The structure of itself of centrifugal fan 40 is connected and fixed, and the processing procedure that substitution tradition is bonded using soldering, structure is more consolidated, together
When it also avoid the environmental pollution that soldering processing procedure is brought.In addition, tabs 312 and positioning hole 45 can mould molding in advance, can be big
The assembly speed of amplitude heat radiation module.
It is understood that for the person of ordinary skill of the art, can be done with technique according to the invention design
Go out other various corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention
Enclose.
Claims (10)
1. a kind of heat radiation module, including a centrifugal fan and the radiating fin group at the air outlet of centrifugal fan, described
Centrifugal fan includes a fan frame, and the radiating fin group includes some fins, it is characterised in that：The fan frame is located at air outlet
Edge correspondence fin opens up the correspondence positioning hole on some positioning holes, the fin, and integrally extension forms tabs, the fin
Including a body, the tabs integrally extends from body close to one end of air outlet, and the tabs passes through correspondence positioning hole
And be fastened in fan frame, the body upper surface is contacted with the fan frame.
2. heat radiation module as claimed in claim 1, it is characterised in that：The fan frame includes the bottom plate and upper lid being oppositely arranged,
The positioning hole formation is located at the edge of air outlet in upper lid positioned at the edge or bottom plate of air outlet.
3. heat radiation module as claimed in claim 2, it is characterised in that：The positioning hole is equal with the tabs quantity and size
Identical, the tabs wears the positioning hole and beyond the upper lid or bottom plate, and the tabs is beyond the portion of the upper lid or bottom plate
Divide to be bent and be fastened on lid or bottom plate.
4. heat radiation module as claimed in claim 2, it is characterised in that：The fin is parallel to each other against row in the same direction
Cloth, tabs is passed through to be bent after positioning hole and withheld.
5. heat radiation module as claimed in claim 4, it is characterised in that：The body is a lengthwise flat board, and it is close to the air-out
One end lower edge formation one of mouth is recessed so that the body is in " L " shape.
6. heat radiation module as claimed in claim 4, it is characterised in that：The centrifugal fan includes covering upward from bottom plate integrally prolonging
The side wall to be formed is stretched, the upper lid extends outwardly beyond bottom plate positioned at the edge of the air outlet side.
7. heat radiation module as claimed in claim 6, it is characterised in that：The radiating fin group also includes a location-plate, described
Location-plate is arranged on fin along the arragement direction of fin, and edge positioning of the upper lid positioned at the air outlet side is kept out in this
Location-plate.
8. heat radiation module as claimed in claim 6, it is characterised in that：The height of the side wall and the body of the radiating fin group
It is highly identical, and side wall top flushes with the top edge of the body, the side wall top outer rim sets some lugs with through hole,
Upper lid correspondence some lugs set some lugs with through hole, and the lug is worn with lug by screw is connected group
Fill the centrifugal fan.
9. heat radiation module as claimed in claim 6, it is characterised in that：The centrifugal fan also includes one impeller of bag, the bottom
Plate, side wall and upper lid, which enclose, is set as a receiving space, and the impeller is carried on bottom plate and is contained in the receiving space.
10. heat radiation module as claimed in claim 5, it is characterised in that：The heat radiation module also includes a flat hot pipe and one
Absorber plate, the heat pipe includes an evaporator section and a condensation segment, and the evaporator section is attached at the upper surface of the absorber plate, described cold
Solidifying section, which is housed, to be fixed in the depression, and the lower surface of the bottom plate, the bottom surface of heat pipe and radiating fin group body is flush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481155.2A CN103841796B (en) | 2012-11-23 | 2012-11-23 | Heat radiation module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481155.2A CN103841796B (en) | 2012-11-23 | 2012-11-23 | Heat radiation module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103841796A CN103841796A (en) | 2014-06-04 |
| CN103841796B true CN103841796B (en) | 2017-11-07 |
Family
ID=50804785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210481155.2A Expired - Fee Related CN103841796B (en) | 2012-11-23 | 2012-11-23 | Heat radiation module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103841796B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304751A (en) * | 2015-05-15 | 2017-01-04 | 富瑞精密组件（昆山）有限公司 | Heat radiation module and manufacture method thereof |
| CN106052433A (en) * | 2016-05-11 | 2016-10-26 | 北京文本至远科技有限公司 | Novel condensing system for cooling copper pipes |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200823642A (en) * | 2006-11-27 | 2008-06-01 | Foxconn Tech Co Ltd | Centrifugal blower, thermal module having the centrifugal blower and electronic assembly incorporating the thermal module |
| CN101909417A (en) * | 2009-06-04 | 2010-12-08 | 富准精密工业(深圳)有限公司 | Radiating device and manufacture method thereof |
| CN202262205U (en) * | 2011-09-27 | 2012-05-30 | 讯凯国际股份有限公司 | heat sink |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238846A (en) * | 2010-04-27 | 2011-11-09 | 富准精密工业(深圳)有限公司 | Radiating device |
-
2012
- 2012-11-23 CN CN201210481155.2A patent/CN103841796B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200823642A (en) * | 2006-11-27 | 2008-06-01 | Foxconn Tech Co Ltd | Centrifugal blower, thermal module having the centrifugal blower and electronic assembly incorporating the thermal module |
| CN101909417A (en) * | 2009-06-04 | 2010-12-08 | 富准精密工业(深圳)有限公司 | Radiating device and manufacture method thereof |
| CN202262205U (en) * | 2011-09-27 | 2012-05-30 | 讯凯国际股份有限公司 | heat sink |
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| Publication number | Publication date |
|---|---|
| CN103841796A (en) | 2014-06-04 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171107 Termination date: 20181123 |