CN107734937A

CN107734937A - Heat abstractor

Info

Publication number: CN107734937A
Application number: CN201711122226.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Shenzhen Step Technology Transfer Center Co Ltd
Current assignee: Linyi Kangtai Shoe Factory
Priority date: 2012-06-18
Filing date: 2012-06-18
Publication date: 2018-02-23
Anticipated expiration: 2032-06-18
Also published as: CN103517610A; TW201400714A; CN108135117A; CN107734937B; TWI546456B; CN108135117B; CN103517610B

Abstract

A kind of heat abstractor, including radiating fin group, the lid being fixedly connected with the radiating fin group and the centrifugal fan being arranged on the lid, the air outlet face radiating fin group of the centrifugal fan, the centrifugal fan includes a fan frame and the impeller sets being contained in the fan frame, the fan frame includes a bottom plate and the side wall extended by the bottom plate, one of the side wall of the centrifugal fan and lid are provided with an at least protuberance, the side wall of the centrifugal fan and the wherein another of lid are provided with the limiting section coordinated with the protuberance, the protuberance slides along the axially vertical direction of centrifugal fan relative to limiting section and is contained in limiting section and positions lid with respect to centrifugal fan.The protuberance and engaged in the present invention with the limiting section that the protuberance coordinates in a manner of sliding collecting, the usage quantity of screw can be reduced so that the installation and removal of centrifugal fan are more convenient.

Description

Heat abstractor

The application is Application No. 2012102007650, and the applying date is on 06 18th, 2012, and invention and created name is The divisional application of the patent of " heat abstractor ".

Technical field

The present invention relates to a kind of heat abstractor, more particularly to a kind of heat abstractor for being radiated to electronic component.

Background technology

With the development of electronic industry, the arithmetic speed of electronic component such as central processing unit etc. is increased substantially, and it is produced Heat also increase severely therewith, in order to ensure electronic component energy normal operation, a heat abstractor is generally installed thereon, by electronics member The heat of part distributes.

Existing heat abstractor generally include centrifugal fan, the radiating fin group being arranged at the centrifugal fan air outlet, The soaking plate that is fixed on electronic component and the heat pipe for connecting the soaking plate and radiating fin group.Electronic component is radiated When, soaking plate absorbs heat caused by electronic component, and the heat that soaking plate absorbs is transferred to radiating fin group through heat pipe, centrifuges Fan running produces air-flow and blows to radiating fin group, and the heat that will be transmitted to radiating fin group is taken away.

In order to be arranged on centrifugal fan is firm on heat abstractor, the sealed mode of more screws of generally use come fix from Heart fan, however, this fixed form showing of easily occurring that sliding tooth and screw be not easy to be aligned during centrifugal fan is installed As the process for dismantling centrifugal fan is also comparatively laborious.

The content of the invention

In view of this, it is necessary to which a kind of convenient heat abstractor of installation and removal is provided.

A kind of heat abstractor, including radiating fin group, the lid that is fixedly connected with the radiating fin group and be arranged at Centrifugal fan on the lid, the air outlet face radiating fin group of the centrifugal fan, the centrifugal fan include a fan Frame and the impeller sets being contained in the fan frame, the fan frame include a bottom plate and the side wall extended by the bottom plate, institute State one of side wall and lid of centrifugal fan and be provided with an at least protuberance, the side wall of the centrifugal fan and lid Wherein another to be provided with the limiting section coordinated with the protuberance, the protuberance is axial along centrifugal fan relative to limiting section Slide and be contained in limiting section and positioned by lid with respect to centrifugal fan in vertical direction.

Compared to the mode of more traditional screw closures, protuberance in heat abstractor of the present invention and with institute Being engaged in the form of sliding and house for the limiting section of protuberance cooperation is stated, can effectively reduce the usage quantity of screw so that centrifugation The installation and removal of fan are more convenient.

With reference to the accompanying drawings, the invention will be further described for engagement specific embodiment.

Brief description of the drawings

Fig. 1 is the three-dimensional assembly diagram of the heat abstractor of first embodiment of the invention.

Fig. 2 is the perspective exploded view of heat abstractor shown in Fig. 1.

Fig. 3 is the perspective exploded view at another visual angle of heat abstractor shown in Fig. 1.

Fig. 4 is IV magnified partial views in heat abstractor shown in Fig. 2.

Fig. 5 is the three-dimensional assembly diagram of the heat abstractor of second embodiment of the invention.

Fig. 6 is the perspective exploded view of heat abstractor shown in Fig. 5.

Fig. 7 is the perspective exploded view at another visual angle of heat abstractor in Fig. 5.

Fig. 8 is VIII magnified partial views in heat abstractor shown in Fig. 6.

Main element symbol description

Centrifugal fan 10,10a

Impeller group 12

Bottom plate 13

Air intake vent 131,31

Support 132

Side wall 14

First side plate 141

Body 142

Installation portion 1421,1421a

Second side plate 143

Air outlet 144

Fan frame 15

Radiating fin group 20

Groove 21

First cavity 22

Second cavity 23

Connector 24

Lid 30

Lug 32,32a

Screw 321

First limiting section 33,33a

Second limiting section 34,34a

First extension 331

End difference 332

Second extension 3321

3rd extension 3322

Accepting groove 333,343

Heat pipe 50

First protuberance 60,60a

Second protuberance 61,61a

Following embodiment will engage above-mentioned accompanying drawing and further illustrate the present invention.

Embodiment

Please refer to Fig. 1 to Fig. 3, the heat abstractor of first embodiment of the invention includes a radiating fin group 20, fixed The lid 30 that is connected in the radiating fin group 20, it is embedded at two heat pipes 50 of the radiating fin group 20 and is arranged at the lid A centrifugal fan 10 on body 30.

The centrifugal fan 10 includes a fan frame 15 and the impeller group 12 being contained in the fan frame 15.The fan frame 15 includes one Bottom plate 13 and the side wall 14 extended downwardly by the periphery of the bottom plate 13.The bottom plate 13 is the flat board that an outline takes the shape of the letter U. The side wall 14 is set perpendicular to bottom plate 13.The center of the bottom plate 13 is provided with a circular air intake vent 131.One support 132 is by the circle Extend at the center of the periphery of shape air intake vent 131 towards the circular air intake vent 131.The impeller group 12 is fixed on the support 132 On.

Side wall 14 is a semi-enclosed structure.The side wall 14 include an arc body 142 and by the body 142 two One first side plate 141 and one second side plate 143 that end stretches out.The side plate 143 of first side plate 141 and second is in Linear and it is parallel to each other.The unclosed one end of the side wall 14 is provided with a square between the side plate 143 of the first side plate 141 and second The air outlet 144 of shape.On one installation portion, the 1421 outwardly arc body 142 for being arranged at the side wall 14.In the present embodiment, The installation portion 1421 is a cylindrical boss.A fixing hole (not indicating) is offered on the installation portion 1421.

Horizontally outward protrusion forms one first protuberance 60 and one second to the side plate 143 of first side plate 141 and second respectively Protuberance 61.Specifically, the protuberance 61 of the first protuberance 60 and second is respectively arranged at the side plate of the first side plate 141 and second 143 one end away from bottom plate 13.In the present embodiment, the protuberance 61 of the first protuberance 60 and second is protrusion rib.This One protuberance 60 is concordant with the air outlet 144 of centrifugal fan 10 towards one end of the air outlet 144 of centrifugal fan 10.In order to avoid Interfered with heat pipe 50, second protuberance 61 is towards one end of the air outlet 144 of centrifugal fan 10 and the centrifugal fan 10 Air outlet 144 keep certain distance.

The lid 30 is the cover plate that an outline takes the shape of the letter U.Air intake vent 131 on the corresponding bottom plate 13 in center of the lid 30 is set There is a circular air intake vent 31.The installation portion 1421 that the periphery of the lid 30 is corresponded in side wall 14 sets a lug 32.The lug The fixing hole (not indicating) of 32 corresponding installation portions 1421 is provided with a screw 321.Corresponding first protuberance on the periphery of the lid 30 60 and second protuberance 61 one first limiting section 33 and one second limiting section 34 are set respectively.Specifically, first limiting section 33 It is respectively arranged at the second limiting section 34 in two parallel sides of the lid 30.It is first limiting section 33, the second limiting section 34, convex The line at the center of ear 32 forms an acute triangle, in order to the abundant fixation of the lid 30 and fan frame 15.

Referring to Fig. 4, first limiting section 33 is a substantially u-shaped stopper slot.First limiting section 33 is included from lid One first extension 331 that the side of body 30 horizontally outward extends and the rank to be bent inwards by the end of first extension 331 Terraced portion 332.The end difference 332 include by first extension 331 end along perpendicular to the direction of the first extension 331 extension and The one second straight extension 3321 that goes out and extended internally out by the terminal horizontal of second extension 3321 straight One the 3rd extension 3322.The extension 3322 of first extension 331 and the 3rd is set parallel to lid 30.Second extension 3321 are set perpendicular to lid 30.First extension 331 and end difference 332 enclose jointly sets out an accepting groove 333 to house First protuberance 60.

In the present embodiment, second limiting section 34 is identical with the structure of the first limiting section 33, on second limiting section 34 It is no longer superfluous to the structure of second limiting section 34 at this provided with an accepting groove 343 (Fig. 2) to house second protuberance 61 State.

Referring to Fig. 2, a groove 21 is offered in the side wall of the radiating fin group 20.The groove 21 is by radiating fin Group 20 is separated into one first cavity 22, one parallel to the second cavity 23 of the first cavity 22 and the connection and of the first cavity 22 The connector 24 of second cavity 23.Parallel interval, which is arranged with, in the cavity 23 of first cavity 22 and second some runs through first chamber The radiating fin (not indicating) of the cavity 23 of body 22 and second, (do not indicated) formed with air channel between adjacent heat radiation fin.The lid 30 One end be fixed on the second cavity 23 of the radiating fin group 20.

One end of two heat pipes 50 of the heat radiation module is embedded in the groove 21 of the radiating fin group 20 side by side, two heat The other end of pipe 50 is thermally coupled with electronic component (not shown) respectively.

When centrifugal fan 10 is installed on into heat abstractor, one end of lid 30 is consolidated by way of heat conduction gluing knot or soldering Due on the second cavity 23 of radiating fin group 20.One end of the two heat pipes 50 is embedded side by side and is fixed on the radiating fin group In 20 groove 21.One end of the air outlet 144 of centrifugal fan 10 is positioned on lid 30, and the centrifugal fan 10 is applied outside one Power, the centrifugal fan 10 move relative to radiating fin group 20.The He of the first protuberance 60 in the side wall 14 of the centrifugal fan 10 Second protuberance 61 is relative to the first limiting section 33 on lid 30 and the second limiting section 34 along the axially vertical of centrifugal fan 10 Direction slide and be contained in the accepting groove 343 of the limiting section 34 of accepting groove 333 and second of first limiting section 33 so as to will Lid 30 positions with respect to centrifugal fan 10.

The outer surface of the protuberance 61 of first protuberance 60 and second is closely attached at first limiting section 33 and second limit The inner surface in position portion 34 is to prevent the centrifugal fan 10 from being moved in the horizontal direction relative to lid 30.The air-out of the centrifugal fan 10 Mouth 144 offsets with radiating fin group 20.Screw (not shown) is screwed to the centrifugation wind through the screw 321 of the lug 32 of lid 30 In fixing hole (not indicating) on the installation portion 1421 of fan 10, centrifugal fan 10 is locked on lid 30.

When centrifugal fan 10 is dismantled from heat abstractor, the screw (not shown) for fixing the centrifugal fan 10 is removed, it is right The centrifugal fan 10 applies an external force, and centrifugal fan 10 moves away from the radiating fin group 20.The first of the centrifugal fan 10 is convex Go out the protuberance 61 of portion 60 and second respectively from the collecting of the limiting section 34 of accepting groove 333 and second of the first limiting section 33 of lid 30 Skidded off in groove 343.

When being radiated to electronic component (not shown), heat caused by electronic component is delivered to by two heat pipe 50 Radiating fin group 20.The centrifugal fan 10 from the air intake vent 131 and the suction airflow of air intake vent 31 for being arranged at the both sides of impeller group 12 simultaneously Air-flow is blowed into radiating fin group 20 from the air outlet 144 of centrifugal fan 10, the heat of radiating fin group 20 is taken away.

Please refer to Fig. 5 to Fig. 8, the heat abstractor of second embodiment of the invention is shown.It is not with first embodiment With the one first protuberance 60a set in the side wall 14 of the centrifugal fan 10a in second embodiment and the second protuberance 61a is half cylinder fin.The edge of lid 30 to should the first protuberance 60a and the second protuberance 61a set respectively There are the first limiting section 33a and the second limiting section 34a.The first limiting section 33a and the second limiting section 34a is the stopper slot of C-shaped. The first limiting section 33a and the second limiting section 34a horizontally outward extends respectively from the side of lid 30 to curve inwardly to form C-shaped again Stopper slot.Centrifugal fan 10a two installation portion 1421a of the outwardly formation of side wall 14.The periphery of the lid 30 is corresponding Described two installation portion 1421a set two lug 32a respectively.

In the present invention, first protuberance 60,60a and the second protuberance 61,61a are by metal material or plastic cement material It is made and is integrally formed with fan frame 15.First limiting section 33,33a and the second limiting section 34,34a are by metal material or plastic cement Material is made and is integrally formed with lid 30.

In the present invention, do not restricted for the first protuberance 60,60a and the second protuberance 61,61a shape, than Such as first protuberance 60 is square step, triangle fin or waveform fin.The first limiting section 33 on the lid 30 Make corresponding changes to house first protuberance 60 according to the shape of cross section of the first protuberance 60.

It is understood that the heretofore described protuberance 61 of first protuberance 60 and second can also be respectively arranged at lid In two parallel sides of body 30, and the first limiting section 33 and the second limiting section 34 are then correspondingly arranged in the side wall of the centrifugal fan 10 On 14.

It will also be appreciated that for the person of ordinary skill of the art, it can be conceived with the technique according to the invention Make it is other it is various it is corresponding change and deformation, such as the first protuberance 60 and the second protuberance 61 can be respectively arranged at from On first side plate 141 of the side wall 14 of heart fan 10 and the internal face of the second side plate 143, the upper surface of the lid 30 is to should One protuberance 60 and the second protuberance 61 are arranged at intervals the first limiting section 33 and the second limiting section 34, and all these changes are with becoming Shape should all belong to the protection domain of the claims in the present invention.

Claims

1. a kind of heat abstractor, including radiating fin group, the lid that is fixedly connected with the radiating fin group and it is arranged at institute The centrifugal fan on lid, radiating fin group described in the air outlet face of the centrifugal fan are stated, the centrifugal fan includes one Fan frame and the impeller sets being contained in the fan frame, the fan frame include a bottom plate and the side wall extended by the bottom plate, It is characterized in that：One of the side wall of the centrifugal fan and lid are provided with an at least protuberance, the centrifugal fan Side wall and lid it is wherein another be provided with the protuberance coordinate limiting section, the protuberance is relative to limiting section The direction axially vertical along centrifugal fan is slided and is contained in the limiting section and positions lid with respect to centrifugal fan, described Side wall includes an arc body and the first side plate and the second side plate that are each extended over by the end of body two, described convex Go out portion to be arranged on one of the first side plate and second side plate of the side wall, the protuberance is arranged at second side The one end of plate away from bottom plate, and the protuberance is towards the air-out of one end of the centrifugal fan air outlet and the centrifugal fan Mouth keeps a segment distance.

2. heat abstractor as claimed in claim 1, it is characterised in that：The limiting section correspond to the protuberance be arranged at it is described On the side of lid.

3. heat abstractor as claimed in claim 2, it is characterised in that：The protuberance is fin, and the limiting section is spacing Groove, the limiting section include the first extension for horizontally outward extending from lid lateral margin and from the end of first extension to The end difference of inner bending.

4. heat abstractor as claimed in claim 3, it is characterised in that：The end difference includes the end by first extension The the second straight extension and the end by second extension that end edge is extended perpendicular to the first extension direction The 3rd straight extension that level extends internally out, first extension and the 3rd extension are parallel with the lid, institute It is vertical with the lid to state the second extension.

5. heat abstractor as claimed in claim 4, it is characterised in that：The first extension and end difference of the limiting section, which enclose, to be set Go out accepting groove, the protuberance is contained in the accepting groove of the limiting section.

6. heat abstractor as claimed in claim 1, it is characterised in that：The side wall of the centrifugal fan is provided with installation portion, institute State lid and be provided with lug, the lug is provided with screw, and screw is through the screwhole spiro bonding of the lug to the installation portion.

7. heat abstractor as claimed in claim 1, it is characterised in that：The protuberance includes the be arranged on the first side plate One protuberance and the second protuberance being arranged on the second side plate, the limiting section include corresponding first protuberance and second Protuberance is respectively arranged at the first limiting section and the second limiting section in two parallel sides of lid.