CN1862793A

CN1862793A - Spring fixing device for heat radiation module

Info

Publication number: CN1862793A
Application number: CN 200510069123
Authority: CN
Inventors: 林芳正
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2005-05-11
Filing date: 2005-05-11
Publication date: 2006-11-15

Abstract

This invention relates to heat radiation module elastic fixation device. It mainly includes a back board, a radiator, at least one sleeve and one fixation pack. Several extrusive pillars connected to one plate are set on the back board surface. The radiator contains a basement, and several stand fins are set on one surface of the basement, at least one through hole is opened and the hole is opposite to the pillar. The sleeve is inserted set in the hole, one end is open and the other is closed. Flange extending out is set on the opened end to connect to the surface of the basement. One through hole is set at the closed end to be penetrated by the extrusive pillar of the back plate. The fixed pack is set in the sleeve and connected to inner side of the pillar, plastic pack is set on the pack outer edge, and the pack is fixed to bottom end of the pack and sleeve.

Description

The elastic fastemer of radiating module

Technical field

The invention relates to a kind of resilient engagement means that is applied to radiator.A kind of elastic fastemer of radiating module particularly.

Background technology

General electronic building brick, such as central processing unit etc., in normal running, all will produce a large amount of heat, if the heat of untimely its generation of eliminating will cause accumulation of heat, cause the rising of temperature, thereby have a strong impact on the normal operation of electronic building brick, for this reason, usually in these heating electronic building brick surface fixed installation one radiators, with auxiliary its heat radiation.

Be fixed to the electronic building brick surface for radiator is closely fitted, fixed form comparatively commonly used at present is still with after a plurality of small-sized group assemblies wear the correspondence perforation of radiator and circuit board respectively admittedly, admittedly close in the circuit board opposite side, realizes the fixing of radiator thus.See also Fig. 1 to Fig. 4, shown in it is the schematic diagram of known configurations, this known configurations includes a radiator 11, a backboard 12, a circuit board 13, a plurality of solid assembly 14 and elastic parts 15 of connecing, wherein this radiator 11 has a pedestal 111, these pedestal 111 end faces are provided with a plurality of fins that stand 112, the bottom surface of this pedestal 111 is complete shiny surface, and more offers a plurality of through holes 113 on the pedestal 111; This backboard 12 is provided with a plurality of open-work 121, and these open-works 121 are the through holes 113 corresponding to pedestal 111;

Be preset with at least one CPU131 on this circuit board 13, and offer a plurality of open-works 132;

These are a plurality of to connect solid assembly 14, is to have the post portion 142 that a head 141 and connects head 141, and this post portion 142 is provided with spiro-locking section 143, and this elastic parts 15 is to be sheathed on post portion 142 peripheries that connect solid assembly 14.

When assembling, pedestal 111 bottom surfaces of this radiator 11 are fitted in the CPU131 surface that circuit board 13 is preset, and this backboard 12 is to be arranged at this circuit board 13 another side relative with this CPU131, and the open-work 121 on the pedestal 111 of this radiator 11 on a plurality of through holes 113 and the backboard 12, and the open-work 132 on the circuit board 13 is that collocation is corresponding, after making these post portions 142 that connect solid assembly 14 wear the pedestal 111 and circuit board 13 of radiator 11 respectively again, make its lock-joining part 143 be locked in open-work 121 places of backboard 12, and this elastic parts 15 and then be held in the head 141 that connects

solid assembly

14 and 111 of the pedestals of radiator 11, and connect solid assembly 14 with radiator 11, circuit board 13 and backboard 12 serial connections must make radiator 11 bottom surfaces fit in radiator 11 surfaces together, and can at will not be shifted, be reached for the analgesic effect of CPU131.

At first, above-mentioned known technology has its problem to exist on it is implemented, though above-mentionedly be held between the head 141 and radiator 11 bottom surfaces that connects solid assembly 14 by elastic parts 15, enterprise is excessive to prevent to connect solid assembly 14 application of force when the interlocking, and cause circuit board 13 to damage, yet in practical operation, can not prevent completely that interlocking from losing the excessive damage that causes of power, when reason is that backboard 12 is subjected to connecing 14 lockings of solid assembly, can be towards circuit board 13 back side direction extruding, and excessive compression circuit board 13 causes distortion or more severe patient even damage.

Moreover, see also shown in Figure 5, when the fin 112 of radiator 11 is connect face winding one fan 16, by fan 16 fluid is blowed to radiator 11 to utilize heat exchange action indirect help CPU131 heat radiation, and when fluid when outbound flowing behind 112 of the fins, these expose connects solid assembly 14 and can stop and disturb flowing of fluid that promptly resistance increases and then reduce heat dissipation.

Because every shortcoming that above-mentioned known technology is derived, designer of the present invention, through continuous effort, and be engaged in the many experiences of the sector, innovated improvement through concentrating on studies, finally successfully research and develop the elastic fastemer of finishing radiating module of the present invention, avoided the generation of said circumstances, be one in fact and have the invention that effect is promoted.

Summary of the invention

In order effectively to solve the above problems, main purpose of the present invention is that a kind of elastic fastemer that reduces the fluid resistance of radiator is being provided.

Another object of the present invention is that a kind of excessive elastic fastemer that causes the circuit board infringement of the solid assembly application of force that prevents to connect is being provided.

In order to achieve the above object, the elastic fastemer of radiating module of the present invention comprises a backboard, a radiator, at least one sleeve at least and at least onely connects solid assembly, and wherein this back plate surface is provided with a plurality of protruded stigmas that wear a plate body; This radiator has a pedestal, and this pedestal one surface is provided with a plurality of fins that stand, and offers at least one open-work on pedestal, and this open-work is to protruded stigma that should backboard; This sleeve is to plug in the open-work of this pedestal, and its upper end is provided with the flange that outwards protrudes out, and to be connected to the surface of this pedestal, the bottom offers a through hole, runs through for the protruded stigma of backboard; This connects solid assembly, be to be located in this sleeve, and and then be fixedly arranged in the protruded stigma of backboard, and this connect solid assembly outer rim and be arranged with elastic parts, this elastic parts is to be held between the bottom that connects solid assembly and sleeve.

Characteristic on above-mentioned purpose of the present invention and structure thereof and the function will be illustrated according to preferred embodiment shown in the drawings, and making has a more deep understanding to the present invention.

Description of drawings

Fig. 1 is the perspective exploded view of known configurations;

Fig. 2 is the exploded cross-sectional schematic of known configurations;

Fig. 3 is the solid combination schematic diagram of known configurations;

Fig. 4 is the part combination cross-sectional schematic of known configurations;

The action cross-sectional schematic that Fig. 5 establishes a fan for the collocation group of known configurations;

Fig. 6 is a perspective exploded view of the present invention;

Fig. 7 is an exploded cross-sectional schematic of the present invention;

Fig. 8 is a three-dimensional combination schematic diagram of the present invention;

Fig. 9 is a local combination cross-sectional schematic of the present invention;

The action cross-sectional schematic that Figure 10 establishes a fan for collocation group of the present invention.

Among the figure: 11 radiators, 111 pedestals

112 fins, 113 through holes

12 backboards, 121 open-works

13 circuit board 131CPU

132 open-works 14 connect solid assembly

141 heads, 142 post portions

143 spiro-locking sections, 15 elastic partss

16 fans, 21 backboards

211 protruded stigmas 212 are connect device

2121 female thread structures, 22 radiators

221 pedestals, 222 fins

223 open-works, 23 plate bodys

231 heat generating components, 232 through holes

24 sleeves, 241 open ends

2411 flanges, 242 blind ends

2421 through holes, 243 fastening assemblies

25 connect solid assembly 251 heads

252 cylinders 253 close portion admittedly

2531 external thread structures, 26 elastic partss

27 fans

Embodiment

The present invention provides a kind of elastic fastemer of radiating module, and shown in the drawings is preferred embodiment of the present invention.

See also Fig. 6 to shown in Figure 9, wherein include a backboard 21, a radiator 22, a plate body 23, at least one sleeve 24 and at least onely connect solid assembly 25, wherein these backboard 21 surfaces are provided with a plurality of protruded stigmas 211, are provided with the receiving portion 212 of hollow in these protruded stigmas 211;

This radiator 22, be to make by the good material of thermal conductivity such as gold, silver, copper, aluminium etc., it includes a pedestal 221, these pedestal 221 one sides are provided with a plurality of fins that stand still for a long while 222, another side is to be a complete shiny surface, and based on offering at least one open-work 223 on the pedestal 221, this open-work 223 is corresponding with the protruded stigma 211 of above-mentioned backboard 21;

This plate body 23 is to be circuit board in a possible embodiments, presets at least one heat generating component 231 on it, and at least one through hole 232, and this through hole 232 is corresponding with the open-work 223 of the protruded stigma 211 of above-mentioned backboard 21 and radiator 22;

This sleeve 24, be to plug in the open-work 232 of described pedestal 221, it has an open end 241 and a blind end 242, this open end 241 is provided with the flange 2411 that outwards protrudes out, proper sleeve 24 is inserted in the surface of pedestal 221, and this blind end 242 offers a through hole 2421 (as shown in Figure 7), and this through hole 2421 is to supply the protruded stigma 211 of backboard 21 to run through;

This connects solid assembly 25 and is located in the sleeve 24, it has a head 251 and a cylinder 252 that links to each other with head 251, these cylinder 252 front ends are provided with one, and to close portion 253 admittedly be to being engaged in the receiving portion 212 in the above-mentioned protruded stigma 211, and being arranged with elastic parts 26 in the outer rim that connects solid assembly 25, this elastic parts 26 is to be held between the blind end of the head 251 that connects solid assembly 25 and sleeve 24.

Again, the open end 241 of above-mentioned sleeve 24 more is provided with a fastening assembly 243, this fastening assembly 243 is in the form of a ring, and open end 241 applying on every side along sleeve 24 is installed with, to prevent connecing solid assembly 25 by deviating from the sleeve 24, and be provided with female thread structure 2531 in the receiving portion 212 in the described protruded stigma 211, and it is to coincide with female thread structure 2121.And above-mentioned to connect solid assembly 25 be to be screw in the possible embodiments again, and this elastic parts 26 is to be spring in a possible embodiments, but and not only be confined to this, also can be other equivalent assembly to replace neither disengaging original variation of the present invention.

When assembling, the another side that the heat generating component that the another side of this radiator 22 and this complete shiny surface adhered on preset on this plate body 23 231 is relative, after making protruded stigma 211 on it wear the through hole 2421 of blind end 242 of the through hole 232 of this plate body 23 and sleeve 24 in regular turn again, by the female thread structure 2121 that external thread structure 2531 in the portion of closing 253 is forced into the receiving portion 212 that is attached to protruded stigma 211 of consolidating that connects solid assembly 25 front ends in the sleeve 24, and then this portion of closing 253 that consolidates that connects solid assembly 25 front ends is engaged in the receiving portion 212 of protruded stigma 211, and then realize this radiator 22 is fixedly installed on the heat generating component 231 of plate body 23, also realize simultaneously connecing in the open-work 223 of the whole pedestal 221 of hiding radiator 22 of solid assembly 25, and this connects 25 ones of solid assemblies and can give prominence on the pedestal 221 that exposes to radiator 22.

Describedly connect solid assembly 25 in general state following time, this elastic parts 26 is to be the open state of nature (as shown in Figure 7), and when the portion of closing 253 that consolidates that connects solid assembly 25 front ends is engaged in the receiving portion 212 of protruded stigma 211, this elastic parts 26 is subjected to connecing the pressing down of head 251 of solid assembly 25, and be compressive state (as shown in Figure 9), the also suitable simultaneously elastic force that provides, use and adjust heat generating component 231 surfaces that radiator 22 can fit in plate body 23 fully, and this no gap, radiator 22 heat generating components, 231 surfaces exists, to promote the hot transfer efficiency that heat generating component 231 transfers heat to radiator 22, and then thermal effect is separated in increase greatly, and by this elastic parts 26 suitable elastic force is provided, it is excessive to prevent to connect solid assembly 25 application of forces, and combine with the protruded stigma 211 of backboard 21 by this portion of closing 253 that consolidates that connects solid assembly 25 front ends, prevent that interlocking power from directly acting on the backboard 21, cause backboard 21, be out of shape to prevent plate body 23 to be subjected to the excessive application of force even damage excessively toward the disappearances of plate bodys 23 extruding.

Consult shown in Figure 10 again, and it is shown in Figure 6 to contrast to hold concurrently, when the face that connect at radiator 22 connects when establishing a fan 27, this fan 27 drives and converts electric energy to kinetic energy, and then it is mobile toward radiator 22 to order about fluid, when fluid is flowed through 222 of the fins of radiator 22, the obstruction that connects solid assembly 25 that exposes because of nothing, so reduce flow resistance greatly, its fluid flows in 222 of fins swimmingly, and after carrying out heat exchange action with fin 222, flows out outwardly apace, to promote whole radiating effect, improved the solid assembly of connecing of known radiator and exposed the disappearance that stops fluid.

Comprehensively described, the elastic fastemer of a kind of radiating module provided by the present invention meets the important document of patent application really, so propose patent application in accordance with the law.

The above person only is preferable feasible embodiment of the present invention, and the variation that utilizes the above-mentioned method of the present invention, shape, structure, device to do such as all should be contained in the scope of claim of the present invention.

Claims

1. the elastic fastemer of a radiating module, it includes:

One backboard, this back plate surface are provided with a plurality of protruded stigmas that wear a plate body;

One radiator, this radiator includes a pedestal, and this pedestal simultaneously is provided with a plurality of fins that stand, and this pedestal offers at least one open-work, and this open-work is to protruded stigma that should backboard;

At least one sleeve, this sleeve are to plug in the open-work of this pedestal, and it has an open end and a blind end, and this open end is provided with the flange that outwards protrudes out, and to be connected to the surface of this pedestal, this blind end offers a through hole, run through for the protruded stigma of backboard;

At least onely connecing solid assembly, is to be located in this sleeve, and this to connect solid assembly be that butt joint is fixedly arranged in the protruded stigma of backboard, its outer rim is arranged with elastic parts, and this elastic parts is to be held between the blind end that connects solid assembly and sleeve.

2. the elastic fastemer of radiating module according to claim 1, wherein, this protruded stigma is provided with the receiving portion of a hollow, and this connects solid assembly and is provided with a head and a coupled cylinder, this cylinder front end is provided with one and closes portion admittedly, this admittedly the portion of closing be engaged in this receiving portion establishing.

3. the elastic fastemer of radiating module according to claim 2, wherein, this admittedly the portion of closing be provided with external thread structure, this receiving portion is provided with female thread structure, and this female thread structure and this external thread structure are the lockings that coincide mutually.

4. according to the elastic fastemer of claim 1 or 2 or 3 described radiating modules, wherein, this connects solid assembly is to be screw.

5. the elastic fastemer of radiating module according to claim 1, wherein, this elastic parts is to be spring.

6. the elastic fastemer of radiating module according to claim 1, wherein, the one side that this pedestal is not provided with a plurality of fins is a burnishing surface.

7. the elastic fastemer of radiating module according to claim 1, wherein, the open end of this sleeve is provided with a fastening assembly, and this fastening assembly is to fit around the open end of sleeve in the form of a ring to be installed with.

8. the elastic fastemer of radiating module according to claim 1, wherein, this plate body is to be circuit board, wherein presets at least one heat generating component, and offers the through hole of the protruded stigma of corresponding above-mentioned backboard.

9. the elastic fastemer of radiating module according to claim 1, wherein, this radiator is to be made by the good material of thermal conductivity.

10. the elastic fastemer of radiating module according to claim 1, wherein, this material is to be gold, silver, aluminium, copper etc.