CN101207986A - Fixed flap and heat radiating device using the same and portable electronic device - Google Patents
Fixed flap and heat radiating device using the same and portable electronic device Download PDFInfo
- Publication number
- CN101207986A CN101207986A CNA2006101578866A CN200610157886A CN101207986A CN 101207986 A CN101207986 A CN 101207986A CN A2006101578866 A CNA2006101578866 A CN A2006101578866A CN 200610157886 A CN200610157886 A CN 200610157886A CN 101207986 A CN101207986 A CN 101207986A
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Abstract
The invention relates to a heat sink used for the heat dissipation of electronic elements arranged inside a portable electronic device. The heat sink comprises a heat conducting plate and a plurality of stators used for fixing the heat conducting plate; wherein, each stator is integrated and is in a Z-shaped; each stator comprises a first plate body, a second plate body which is staggered with the first plate body along the altitude-direction, and a connecting plate body which connects the first plate body and the second plate body; the second plate body and the heat conducting plate are fixed together; the connecting plate body is provided with a lengthways strengthening rib, the two ends of which extend into the first plate body and the second plate body after passing through the joint between the connecting plate body and the first plate body as well as the second plate body. The whole intensity of the stators is greatly enhanced because of the strengthening rib arranged on the stators, and the stators are not easy to deform after being pressed when the heat conducting plated is fixed. The stators have simple structure, the strengthening rib arranged on the stators is molded once through press forming when manufacturing the stators, and the cost is low.
Description
Technical field
The present invention relates to a kind of stator, relate in particular to a kind of being suitable for and in the portable electron device heat dissipation element is fixed to the employed stator of heat-generating electronic elements.
Background technology
Along with the develop rapidly of computer and semiconductor technology, the performance and the integrated level of main chip such as central processing unit in the computer and video card are more and more higher, and the heat that is produced is also more and more thereupon, so heat dissipation problem more and more is subject to people's attention.In the less notebook computer of volume, heat dissipation problem is more outstanding.
In notebook computer, in order to take away the heat that heat-generating electronic elements produced in the notebook computer efficiently in limited space, the common radiator that can be sticked on the surface of heat-generating electronic elements of industry comes heat-generating electronic elements is dispelled the heat at present.And more usually adopt a heat radiation module to come heat-generating electronic elements is dispelled the heat.This heat radiation module comprises heat pipe, heat-conducting plate, centrifugal fan and is located at the fin at the air outlet place of centrifugal fan.This heat-conducting plate is attached at the heat-generating electronic elements surface, the two ends of this heat pipe respectively with heat-conducting plate and fin hot link, so that the heat that heat-generating electronic elements was produced is reached fin, brush fin by centrifugal fan at last and distribute with heat the most at last.For the surface that makes radiator or heat-conducting plate and heat-generating electronic elements fits tightly together to reach better heat radiating effect; usually can adopt various fixation spring tabs to fix this radiator or heat-conducting plate; but because the intensity of fixation spring tab is often not enough; be easy to generate distortion after in use stressed; thereby make radiator or heat-conducting plate contact defective tightness with the surface of heat-generating electronic elements, heat transfer efficiency between the two is not good.And the higher common structure of fixture of those intensity is complicated, and processing cost is higher.
Therefore how designing a kind of heat radiation fixture simple in structure, that intensity is higher and processing cost is low just seems particularly important.
Summary of the invention
In view of this, be necessary to provide a kind of simple in structure, intensity is higher and processing cost is low, being applicable to the stator of installing and using in the portable electron device, also is necessary to provide simultaneously a kind of heat abstractor and portable electron device that uses this stator.
A kind of stator, a heat dissipation element that is used for will being located in the portable electron device is fixed to the surface of being located at the electronic component on the circuit board, wherein this stator is Z-shaped, comprise first plate body, second plate body and connect the connection plate body of this first, second plate body, this connection plate body is provided with a reinforcement longitudinally, and the two ends of this reinforcement extend on first, second plate body via the junction that connects plate body and first, second plate body respectively.
A kind of heat abstractor, be used for being located at the electronic element radiating in the portable electron device, comprise that a heat-conducting plate and several are used for fixing the stator of this heat-conducting plate, wherein each stator is one-body molded and be Z-shaped, comprise first plate body, second plate body that on short transverse, staggers with first plate body and be connected this first, the connection plate body of second plate body, this second plate body and this heat-conducting plate are fixed together, this connection plate body is provided with a reinforcement longitudinally, and the two ends of this reinforcement are respectively via connecting plate body and first, the junction of second plate body and extend to first, on second plate body.
A kind of portable electron device, comprise a circuit board, be located at the electronic component on this circuit board, one fixed mount, one heat-conducting plate and fix this heat-conducting plate to several stators that are sticked mutually with electronic component, wherein these fixed mount central authorities are provided with a perforation, this heat-conducting plate correspondence is arranged on this perforation position, each stator comprises first plate body, second plate body and connect the plate body that is connected of first plate body and second plate body, this first plate body, second plate body and connect on the plate body one and dash to establish and be formed with a reinforcement longitudinally, the end of this second plate body is fixed on the edge of heat-conducting plate, the end of this first plate body stretches out outside the heat-conducting plate and is fixed on the fixed mount, and this first plate body stress deformation also see through to connect plate body with strength and is passed on second plate body and forces in heat-conducting plate and heat-conducting plate and electronic component are adjacent to.
Compared with prior art, because the connection plate body of stator is provided with reinforcement in this heat abstractor, and the two ends of this reinforcement extend on first, second plate body of stator via the junction that connects plate body and first, second plate body respectively, make the bulk strength of stator obtain bigger raising.When fixing heat-conducting plate, be difficult for producing distortion behind the stator pressurized, pressure effectively can be reached heat-conducting plate by connecting plate body, so that the surface of heat-conducting plate and electronic component fits tightly.Thereby make contact between heat-conducting plate and the electronic component evenly, good, to reduce the thermal resistance between electronic component and the heat-conducting plate and heat transfer efficiency be improved.Simultaneously, this stator is simple in structure, takes up room little and that the position is set is flexible, and reinforcement set on it can be by the mode one-shot forming of punching press when this stator of processing, and processing cost is low.
Description of drawings
With reference to the accompanying drawings, in conjunction with the embodiments the present invention is further described.
Fig. 1 is the wherein three-dimensional exploded view of a preferred embodiment of heat abstractor of the present invention and related elements.
Fig. 2 is a wherein stator stereogram of heat abstractor shown in Figure 1.
Fig. 3 is the stereogram at another visual angle of stator shown in Figure 2.
Fig. 4 is the part assembly drawing of heat abstractor shown in Figure 1 and related elements and a heat-generating electronic elements and a circuit board.
Fig. 5 is the end view after heat abstractor shown in Figure 4 and related elements and heat-generating electronic elements, the circuit board assembling.
Embodiment
Figure 1 shows that the wherein three-dimensional exploded view of an embodiment of heat abstractor of the present invention and related elements, this heat abstractor and related elements comprise a fixed mount 10, a heat-conducting plate 20 and plurality of fixed sheet 30.
Please be simultaneously with reference to Fig. 2 and Fig. 3, each stator 30 is one-body molded by the mode of punching press by metal material.Each stator 30 is roughly Z-shaped, and it comprises first plate body 31, second plate body 32 that staggers on short transverse with first plate body 31 and the connection plate body 33 that is connected this first, second plate body 31,32.This first plate body, 31 along continuous straight runs extend and in being provided with a through hole 34 and wearing as screw, Spring screws etc. for retaining element (figure does not show) in the position of an end freely near it.This second plate body 32 is parallel to first plate body 31, this second plate body 32 near its be provided with two through holes 36 that are used for fixing this second plate body 32 in position of the both sides of an end freely.Wherein the number of through hole 36 and position can reasonably be provided with according to concrete installation requirement on this second plate body 32.As shown in Figure 2, the two ends of this connection plate body 33 are connected with first plate body 31 and second plate body 32 respectively, and it is vertical to connect first, second plate body 31,32 of plate body 33 and this, all adopts arc transition between this connection plate body 33 and first, second plate body 31,32.Wherein, this connection plate body 33 also can be a low-angle inclination with first plate body 31 or second plate body 32.Be the intensity of the connection plate body 33 that increases stator 30 and the intensity that should connect plate body 33 and the junction of first, second plate body 31,32, on this connection plate body 33 in the middle of it position be provided with a reinforcement 35 longitudinally, and the two ends of this reinforcement 35 extend on first, second plate body 31,32 with the junction of first, second plate body 31,32 via connecting plate body 33 respectively.This reinforcement 35 is to the positive raising of stator 30 and form by the back side of stator 30, they can mode and stator 30 one-shot formings by punching press in the process of this stator 30 of processing, thereby form a depression (Fig. 3) at the back side of stator 30, and form projection (Fig. 2) in the front of stator 30.
This continues with reference to Fig. 1, and this heat-conducting plate 20 is roughly rectangular, and its metal by the tool high thermal conductivity coefficient is made.In the present embodiment, this heat-conducting plate 20 is made of copper.Through hole 36 around this heat-conducting plate 20 on second plate body 32 of corresponding stator 30 is provided with projection 21.
The casing (figure does not show) that this fixed mount 10 is used to be installed in as electronic installations such as notebook computer, projecting apparatus, video disc players is interior to fix its intraware such as mainboard, hard disk, video card etc.Be one to be roughly the perforation 13 of rectangle in the middle of this fixed mount 10.Through hole 34 on this fixed mount 10 on first plate body 31 of corresponding stator 30 is provided with fixed leg 11, and this fixed leg 11 is provided with fixing hole 12.
Fig. 4 is the part assembly drawing of heat abstractor shown in Figure 1 and a heat-generating electronic elements 40 and a circuit board 50.This electronic component 40 can be the central processing unit or the video card chip of notebook computer, also can be the inter-process chip of other electronic installation such as projecting apparatus etc.In the present embodiment, this electronic component 40 is the video card chip of notebook computer, and this electronic component 40 is located on the circuit board 50.This circuit board 50 is installed in the casing of notebook computer, and corresponding being arranged in the perforation 13 of fixed mount 10.
Please be simultaneously with reference to Fig. 5, before being fixed to heat-conducting plate 20 on the electronic component 40, the through hole 36 on corresponding second plate body 32 is provided with projection 21 on through hole 36 and the heat-conducting plate 20 because second plate body 32 of stator 30 is provided with, therefore can heat-conducting plate 20 and stator 30 be fixed together earlier by riveted way or other fixed forms, as shown in Figure 4, the end of this second plate body 32 is fixed on the edge of heat-conducting plate 20, and this moment, the end of first plate body 31 stretched out outside the heat-conducting plate 30.When this heat-conducting plate 20 is installed, heat-conducting plate 20 is placed the top of electronic component 40, and the fixing hole 12 on the corresponding fixed leg 11 on the through hole 34 on first plate body 31 of stator 30 and the fixed mount 10 is alignd.As shown in Figure 5, remain in certain distance between first plate body 31 of stator 30 and the fixed leg 11 at this moment.When utilizing retaining element such as screw or Spring screws etc. that stator 30 and fixed mount 10 are connected and fixed, first plate body 31 of stator 30 is subjected to the downward pressure of retaining element, and pressure passed to the heat-conducting plate 20 that is connected with stator 30 by connecting plate body 33, thereby being subjected to downward power, heat-conducting plate 20 fits tightly together with heat-generating electronic elements 40.
In this heat abstractor, because the connection plate body 33 of stator 30 is provided with reinforcement 35, and the two ends of this reinforcement 35 extend on first, second plate body 31,32 of stator 30 with the junction of first, second plate body 31,32 via connecting plate body 33 respectively, and stator 30 bulk strengths are greatly improved.Therefore, when fixing heat-conducting plate 20, stator 30 is when being subjected to big pressure and be difficult for producing distortion, pressure can be reached heat-conducting plate 20 effectively by connecting plate body 33, so that the surface of heat-conducting plate 20 and electronic component 40 fits tightly, thereby make contact between heat-conducting plate 20 and the electronic component 40 evenly, good, thereby reduce the thermal resistance between heat-generating electronic elements 40 and the heat-conducting plate 20 and heat transfer efficiency be improved.Simultaneously, the stator of these a plurality of Z types is 30 simple in structure, take up room little and that the position is set is flexible, on it set reinforcement 35 can be when this stator 30 of processing mode one-shot forming by punching press, make this stator 30 when having higher-strength, have lower processing cost, solved effectively stator 30 when the portable electron device internal fixation heat abstractor easily because of the stressed problem that produces distortion.
In this heat abstractor, also can be between second plate body 32 of stator 30 and the heat-conducting plate 20 by welding, mode such as be spirally connected is connected and fixed, and does not need to offer through hole 36 on second plate body 32 of stator 30 when adopting welding fixedly.The shape of this heat-conducting plate 32 and structure also are not limited to the foregoing description, such as some fin can also be set to increase area of dissipation on this heat-conducting plate 32.Wherein first plate body 31 of this stator 30 also can directly be fixed together with the casing of electronic installation such as notebook computer etc.
Claims (12)
1. stator, a heat dissipation element that is used for will being located in the portable electron device is fixed to the surface of being located at the electronic component on the circuit board, it is characterized in that: this stator is Z-shaped, second plate body that comprises first plate body, on short transverse, staggers with first plate body and the connection plate body that is connected this first, second plate body, this connection plate body is provided with a reinforcement longitudinally, and the two ends of this reinforcement extend on first, second plate body via the junction that connects plate body and first, second plate body respectively.
2. stator as claimed in claim 1 is characterized in that: be respectively equipped with at least one through hole on this first, second plate body.
3. stator as claimed in claim 1 is characterized in that: this first, second plate body is parallel to each other, and it is vertical mutually with first, second plate body that this connects plate body.
4. stator as claimed in claim 1 is characterized in that: this reinforcement is one-body molded in the centre position that is connected plate body with stator by the mode of punching press.
5. heat abstractor, be used for being located at the electronic element radiating in the portable electron device, comprise that a heat-conducting plate and several are used for fixing the stator of this heat-conducting plate, it is characterized in that: each stator is one-body molded and be Z-shaped, comprise first plate body, second plate body that on short transverse, staggers with first plate body and be connected this first, the connection plate body of second plate body, this second plate body and this heat-conducting plate are fixed together, this connection plate body is provided with a reinforcement longitudinally, and the two ends of this reinforcement are respectively via connecting plate body and first, the junction of second plate body and extend to first, on second plate body.
6. heat abstractor as claimed in claim 5, it is characterized in that: this second plate body is provided with at least one through hole, through hole on corresponding second plate body of this heat-conducting plate is provided with projection, and this projection is arranged in the described through hole and with riveted way this second plate body and heat-conducting plate are connected and fixed.
7. heat abstractor as claimed in claim 5, it is characterized in that: also comprise a fixed mount and plurality of fixed element, this fixed mount is installed in this casing of portable electronic device, this first plate body is provided with a through hole, through hole on this fixed mount on corresponding first plate body is provided with fixing hole, these retaining elements are arranged in the through hole and the fixing hole on the fixed mount of first plate body, and first plate body is fixed on the fixed mount.
8. heat abstractor as claimed in claim 7 is characterized in that: this fixed mount forms a perforation in central authorities, and this heat-conducting plate is housed in the described perforation.
9. heat abstractor as claimed in claim 5 is characterized in that: first plate body and this casing of portable electronic device of this stator directly are fixed together.
10. portable electron device, comprise a circuit board, be located at the electronic component on this circuit board, one fixed mount, one heat-conducting plate and fix this heat-conducting plate to several stators that are sticked mutually with electronic component, it is characterized in that: these fixed mount central authorities are provided with a perforation, this heat-conducting plate correspondence is arranged on this perforation position, each stator comprises first plate body, second plate body and connect the plate body that is connected of first plate body and second plate body, this first plate body, second plate body and connect on the plate body one and dash to establish and be formed with a reinforcement longitudinally, the end of this second plate body is fixed on the edge of heat-conducting plate, the end of this first plate body stretches out outside the heat-conducting plate and is fixed on the fixed mount, and this first plate body stress deformation also see through to connect plate body with strength and is passed on second plate body and forces in heat-conducting plate and heat-conducting plate and electronic component are adjacent to.
11. portable electron device as claimed in claim 10 is characterized in that: each stator is Z-shaped, and first plate body and second plate body are parallel to each other and in height stagger mutually, and it is vertical mutually with first, second plate body to connect plate body.
12. portable electron device as claimed in claim 10 is characterized in that: this portable electron device is a notebook computer, and this electronic component is the display chip of this notebook computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101578866A CN101207986A (en) | 2006-12-22 | 2006-12-22 | Fixed flap and heat radiating device using the same and portable electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101578866A CN101207986A (en) | 2006-12-22 | 2006-12-22 | Fixed flap and heat radiating device using the same and portable electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101207986A true CN101207986A (en) | 2008-06-25 |
Family
ID=39567749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101578866A Pending CN101207986A (en) | 2006-12-22 | 2006-12-22 | Fixed flap and heat radiating device using the same and portable electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101207986A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306640A (en) * | 2011-08-31 | 2012-01-04 | 昆山锦泰电子器材有限公司 | Radiating fin provided with auxiliary fixed parts |
| CN102375482A (en) * | 2010-08-18 | 2012-03-14 | 富泰华工业（深圳）有限公司 | Fixing mechanism and electronic device using same |
| CN102378530A (en) * | 2010-08-18 | 2012-03-14 | 富泰华工业（深圳）有限公司 | Fixing mechanism and electronic device adopting fixing mechanism |
| CN102693741A (en) * | 2012-06-14 | 2012-09-26 | 昆山维金五金制品有限公司 | Machine core support for DVD (digital video disk) |
| CN103025113A (en) * | 2011-09-26 | 2013-04-03 | 英业达股份有限公司 | Backplane structure and manufacturing method thereof |
| CN103076845A (en) * | 2011-10-26 | 2013-05-01 | 仁宝电脑工业股份有限公司 | Electronic device and obliquely locked circuit board module |
| CN103298315A (en) * | 2012-03-02 | 2013-09-11 | 奇鋐科技股份有限公司 | Heat sink and manufacturing method thereof |
| CN103985401A (en) * | 2014-04-16 | 2014-08-13 | 深圳诺博医疗设备有限公司 | Hard disk support structure and case of smart medical cart |
| CN104582447A (en) * | 2015-01-04 | 2015-04-29 | 黄山谷捷散热科技有限公司 | Radiator structure |
| CN108024472A (en) * | 2016-11-03 | 2018-05-11 | 英业达科技有限公司 | Mainboard module |
| CN111867328A (en) * | 2020-07-13 | 2020-10-30 | 清能德创电气技术（北京）有限公司 | A heat sink for electronic components |
-
2006
- 2006-12-22 CN CNA2006101578866A patent/CN101207986A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375482A (en) * | 2010-08-18 | 2012-03-14 | 富泰华工业（深圳）有限公司 | Fixing mechanism and electronic device using same |
| CN102378530A (en) * | 2010-08-18 | 2012-03-14 | 富泰华工业（深圳）有限公司 | Fixing mechanism and electronic device adopting fixing mechanism |
| CN102306640A (en) * | 2011-08-31 | 2012-01-04 | 昆山锦泰电子器材有限公司 | Radiating fin provided with auxiliary fixed parts |
| CN103025113B (en) * | 2011-09-26 | 2016-05-18 | 英业达股份有限公司 | Backplane structure and manufacturing method thereof |
| CN103025113A (en) * | 2011-09-26 | 2013-04-03 | 英业达股份有限公司 | Backplane structure and manufacturing method thereof |
| CN103076845A (en) * | 2011-10-26 | 2013-05-01 | 仁宝电脑工业股份有限公司 | Electronic device and obliquely locked circuit board module |
| CN103298315A (en) * | 2012-03-02 | 2013-09-11 | 奇鋐科技股份有限公司 | Heat sink and manufacturing method thereof |
| CN103298315B (en) * | 2012-03-02 | 2016-09-14 | 奇鋐科技股份有限公司 | Heat sink and manufacturing method thereof |
| CN102693741A (en) * | 2012-06-14 | 2012-09-26 | 昆山维金五金制品有限公司 | Machine core support for DVD (digital video disk) |
| CN103985401A (en) * | 2014-04-16 | 2014-08-13 | 深圳诺博医疗设备有限公司 | Hard disk support structure and case of smart medical cart |
| CN104582447A (en) * | 2015-01-04 | 2015-04-29 | 黄山谷捷散热科技有限公司 | Radiator structure |
| CN104582447B (en) * | 2015-01-04 | 2017-07-28 | 黄山谷捷散热科技有限公司 | A kind of heat spreader structures |
| CN108024472A (en) * | 2016-11-03 | 2018-05-11 | 英业达科技有限公司 | Mainboard module |
| CN108024472B (en) * | 2016-11-03 | 2020-05-29 | 英业达科技有限公司 | Mainboard module |
| CN111867328A (en) * | 2020-07-13 | 2020-10-30 | 清能德创电气技术（北京）有限公司 | A heat sink for electronic components |
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Open date: 20080625 |