CN1128396C - Heat radiator - Google Patents
Heat radiator Download PDFInfo
- Publication number
- CN1128396C CN1128396C CN 99117015 CN99117015A CN1128396C CN 1128396 C CN1128396 C CN 1128396C CN 99117015 CN99117015 CN 99117015 CN 99117015 A CN99117015 A CN 99117015A CN 1128396 C CN1128396 C CN 1128396C
- Authority
- CN
- China
- Prior art keywords
- heat abstractor
- heat
- hole
- pedestal
- radiating part
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention relates to a radiator, which comprises a body, a heat conducting pipe and four groups of fixing devices which are arranged on the body. The body is integrally formed through a pressure casting mode, which comprises a square base, a radiating part and a shielding part which are integrally extended out from the base. The base forms a groove at a proper position, and the groove is used for correspondingly installing the heat conducting pipe. The shielding part is tightly connected with the radiating part and is provided with a side wall with a continuous circumference, the side wall with the continuous circumference is matched with the base to form a square sealing space so that the shielding part provides electromagnetic shield for an electronic element positioned in the sealing space, and four end corners of the shielding part respectively form a through hole for being penetrated with the fixing devices.
Description
The present invention is about a kind of heat abstractor, and referring to especially a kind ofly can provide electromagnetic screen (EMI Shielding) and the good heat abstractor of radiating effect to corresponding electronic element.
Along with the fast development of computer technology, the travelling speed of computer internal electronic element (as central processing unit) is more and more fast, and the heat that it produced also rolls up, if untimely with this heat discharge, the every performance during use will be greatly affected.
The existing relevant heat abstractor that is used for assisting electronic component to discharge heat is constructed, can be with reference to United States Patent (USP) the 4th, 884, and No. 331.This heat abstractor is to be convexly equipped with some radiating fins on base top surface, and this pedestal is posted by the surface of electronic component heat is derived, and through radiating fin heat is shed again.The whole height of this heat abstractor is higher, and does not meet the trend that computer develops towards frivolous little direction, and also very complicated comparatively of its manufacturing process.
For making heat abstractor suitably fixing, industrial community has employing as United States Patent (USP) the 5th, 621, mode shown in No. 615, it is to fix heat abstractor by screw and nut, the resulting fixing strength of this fixed form is inhomogeneous, very easily causes weld between electronic component and circuit board to come off or ruptures, and influence thermal conduction effect.
In addition, also there is heat abstractor as shown in Figure 1 to construct.This heat abstractor 10 comprises the pedestal 11 of the tabular body of a rectangle and adhere first radiating part 13, second radiating part 15 and heat pipe 17 on it, and the end face 14 of this second radiating part 15 is to recline with electronic component.Middle position in first radiating part 13 and second radiating part, 15 bottoms is formed with conduit 12,16, can be for heat pipe 17 installings.Above first radiating part 13 and be equiped with fan 19, to promote the integral heat sink effect.Though this heat abstractor has lower height, because of first radiating part 13 and second radiating part 15 are separately to make, so assembling process is comparatively loaded down with trivial details.
In addition, along with the raising of electronic component travelling speed, except that need were considered heat dissipation problem, the electromagnetic interference (EMI) problem of electronic component also must take in, and did not provide any effectiveness to electronic component and aforementioned all kinds of heat abstractor is apparent.
Therefore, how providing a kind of heat abstractor that electromagnetic screen (EMI Shielding) effect can be provided corresponding electronic element, also is the problem that a utmost point needs to be resolved hurrily.
The object of the present invention is to provide a kind of heat abstractor that effectiveness can be provided corresponding electronic element, and its radiating effect is good, even with corresponding electronic element fixing strength.
Technical program of the present invention lies in, this heat abstractor comprises a body and heat pipe and four groups of stationary installations of being installed on the body.This body is one-body molded in the die casting mode, comprises a square base, and the radiating part and the shielding part that extend from the pedestal one.This pedestal in position is formed with a groove, uses for the corresponding installing of heat pipe.This shielding part links to each other with the radiating part next-door neighbour, has continuous perimeter side walls, forms a square enclosure space to cooperate with pedestal, and provides electromagnetic screen to the electronic component that is positioned at enclosure space.The quadripolar corners place of this shielding part is formed with a through hole respectively, wears for stationary installation.End part of this heat pipe is to recline with the electronic component end face, and the other end partly then is connected on the radiating part of body.Every group of stationary installation comprises a bolt, a spring and a nut, in order to fixing heat abstractor.
Fig. 1 is the stereographic map of existing heat abstractor.
Fig. 2 is the stereographic map of the present invention and related elements, only shows one group of stationary installation among the figure.
Fig. 3 is the stereographic map of body of the present invention in another angle.
Fig. 4 is the part cut-open view of being done along IV-IV line among Fig. 2.
Heat abstractor of the present invention can be applicable on the electronic components such as central processing unit, figure acceleration wafer, only is example in an embodiment with the central processing unit.
See also Fig. 2, be the stereographic map of heat abstractor 30 of the present invention with fan 26, central processing unit 22 and circuit board 20.This fan 26 is the casket shape spaces 44 interior (with reference to figure 3, detailed aftermentioned) that are installed in heat abstractor 30 bodies 32, in order to speed cross-ventilation speed.Be equiped with central processing unit 22 on this circuit board 20, and near four corners of central processing unit 22 and offer perforate 24.
Heat abstractor 30 of the present invention comprises that a body 32 and heat pipe 36 and four groups of stationary installations of being installed on the body 32 (only show one group of stationary installation among the figure, label not), this heat pipe 36 is " L " font, and is fixed in the groove 38 of body 32 by the heat-conducting glue adhesion.End part of this heat pipe 36 is to recline with central processing unit 22 end faces, the other end partly then is connected to thermal column 46 zones (with reference to figure 3) of body 32 radiating parts 40, conducts to thermal column 46 backs with the heat that central processing unit 22 is produced and discharges (detailed aftermentioned).Every group of stationary installation comprises a bolt 60, a spring 68 and a nut 66, in order to heat abstractor 30 is fixed on the circuit board 20.
See also Fig. 3, this body 32 is one-body molded in the die casting mode, comprises a square base 34, and the radiating part 40 and shielding part 54 that extend from pedestal 34 one.This pedestal 34 in position is formed with one " L " font groove 38, uses for heat pipe 36 corresponding installings.Sidewall 42 surrounds a casket shape space 44 approximately around this radiating part 40, and the some in this casket shape space 44 is formed with several from pedestal 34 extended thermal columns 46, and another partly then is formed with several from pedestal 34 extended projections 48.These several thermal columns 46 are to arrange in the form of sheets and with array way, and its extended height is approximately identical with sidewall 42; These several projections 48 are curved and are arranged in turbine-like, flow in order to direct air.Near projection 48, be formed with four lockholes 49, with fan 26 on four fixed orifice 29 corresponding matching, and by screw (figure do not show) with fan 26 lockings in the casket shape space 44 of radiating part 40.Be formed with an opening 52 in the appropriate position of sidewall 42, it is the air inlet as fan 26.
This shielding part 54 links to each other with radiating part 40 next-door neighbours, has continuous perimeter side walls, forms a square enclosure space to cooperate with pedestal 34, and provides electromagnetic screen to the central processing unit 22 that is positioned at enclosure space.The quadripolar corners place of this shielding part 54 is formed with a through hole 56 respectively, wears for four groups of stationary installations.
See also Fig. 4, this through hole 56 is to extend through shielding part 54 sidewalls and pedestal 34, and rely on single order portion 59 structures and form the second less part 58 of first bigger part 57 of aperture and aperture, wherein the second less part 58 of aperture is proximate circuitry plates 20.
The bolt 60 of this stationary installation comprises an end cap 62, a body of rod 61 and a threaded portion 64 in regular turn, wherein the diameter of this end cap 62 is slightly less than partly 57 aperture of through hole 56 first, so that bolt 60 is fully in the receiving through-hole 56 and be unlikely and expose, and be formed with one groove (not label) in end cap 62 end face central authorities, with application of force foundation as flat mouthful turnscrew (figure does not show) swivel bolt 60.The diameter of this body of rod 61 is less than through hole 56 first partly 57 aperture and the diameter of end cap 62, and approximates partly 58 aperture of through hole 56 second, and its outer race is provided with spring 68, and the two ends of this spring 68 are replaced respectively in the rank portion 59 in end cap 62 and through hole 56.The diameter of this threaded portion 64 is less than the diameter of the body of rod 61, and it passes the perforate 24 on the circuit board 20 and screws togather with nut 66, and heat abstractor 30 is fixed on the circuit board 20.
(please refer to Fig. 2) during assembling, earlier with on the corresponding relevant position (being groove 38 and casket shape space 44) that is installed in body 32 of heat pipe 36 and fan 26, then entire combination is placed on the circuit board 20, simultaneously and make the perforate 24 of the through hole 56 alignment circuit plates 20 of body 32, these body 32 shielding parts 54 formed enclosure spaces will cover central processing unit 22 fully this moment, and provide electromagnetic screen to central processing unit 22.Afterwards, in each through hole 56 that the bolt 60 and spring 68 correspondences of stationary installation are installed in body 32, after bolt 60 passes perforate 24 on the circuit board 20, utilize nut 66 to be screwed togather and promptly finish assembling.
Because heat abstractor 30 of the present invention can cover central processing unit 22 fully, therefore can provide effectiveness.Moreover because the body 32 of this heat abstractor 30 is one-body molded by the die casting mode, therefore the manufacturing assembling is quite easy.In addition,, rely on the elasticity of spring 68, except that can obtaining required fixing strength, also can obtain uniform fixing strength, and avoid the shortcoming of existing fixed form because heat abstractor 30 of the present invention is provided with spring.
Claims (18)
1. heat abstractor, be applied on the electronic component, comprise a pedestal, it is characterized in that: the appropriate location of this pedestal is provided with heat pipe, and this heat pipe one end reclines mutually with electronic component, and this pedestal is provided with a radiating part, it is connected with the other end of heat pipe, this heat abstractor also comprises a shielding part, and it has continuous perimeter side walls, to constitute an enclosure space that is installed with electronic component that electromagnetic screen is provided with pedestal..
2. heat abstractor as claimed in claim 1 is characterized in that: this pedestal, radiating part and shielding part are one-body molded in the die casting mode.
3. heat abstractor as claimed in claim 1 is characterized in that: this enclosure space slightly is square.
4. heat abstractor as claimed in claim 1 is characterized in that: this pedestal slightly is square and in position is formed with one " L " font groove.
5. heat abstractor as claimed in claim 4 is characterized in that: this heat pipe is " L " font and is fixed in the groove of body by the heat-conducting glue adhesion.
6. as claim 1,2,3,4 or 5 described heat abstractors, it is characterized in that: this shielding part is to link to each other with the radiating part next-door neighbour, and its quadripolar corners place is formed with a through hole respectively.
7. heat abstractor as claimed in claim 6 is characterized in that: this through hole is to extend through shielding part sidewall and pedestal, and forms the second less part of first bigger part of aperture and aperture by means of single order portion structure.
8. heat abstractor as claimed in claim 7 is characterized in that: it further comprises four groups of stationary installations, and correspondence is installed in this through hole, and every group of stationary installation comprises a bolt, a spring and a nut.
9. heat abstractor as claimed in claim 8 is characterized in that: this bolt comprises an end cap, a body of rod and a threaded portion in regular turn.
10. heat abstractor as claimed in claim 9 is characterized in that: the diameter of this end cap is slightly less than through hole first aperture partly, be unlikely so that the complete receiving through-hole of bolt energy is interior and expose, and these end cap end face central authorities is formed with groove one.
11. heat abstractor as claimed in claim 10 is characterized in that: the diameter of this body of rod less than through hole first partly the aperture and the diameter of end cap, and approximate through hole second aperture partly, and its outer race is provided with this spring.
12. heat abstractor as claimed in claim 11 is characterized in that: the two ends of this spring are replaced respectively in the rank portion in end cap and through hole.
13. heat abstractor as claimed in claim 9 is characterized in that: the diameter of this threaded portion is less than the diameter of the body of rod, and it is to screw togather with nut and heat abstractor is fixed.
14. as claim 1,2,3,4 or 5 described heat abstractors, it is characterized in that: sidewall surrounds a casket shape space approximately around this radiating part.
15. heat abstractor as claimed in claim 14 is characterized in that: the some in this casket shape space is formed with the thermal column that several go out from base extension, and these several thermal columns are arranged in the form of sheets and with array way, and its extended height is approximately identical with sidewall.
16. heat abstractor as claimed in claim 15 is characterized in that: another of this casket shape space partly is formed with the projection that several go out from base extension, and these several projections are mobile and curved and be arranged in turbine-like in order to direct air.
17. heat abstractor as claimed in claim 16, it is characterized in that: it further comprises a fan, and this radiating part is formed with four lockholes near projection, cooperating with four fixed orifices on the fan, and by screw and with the fan locking in the casket shape space of radiating part.
18. heat abstractor as claimed in claim 17 is characterized in that: this radiating part is formed with an opening as wind inlet of fan in the appropriate position of perimeter side walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117015 CN1128396C (en) | 1999-07-28 | 1999-07-28 | Heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117015 CN1128396C (en) | 1999-07-28 | 1999-07-28 | Heat radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1282896A CN1282896A (en) | 2001-02-07 |
| CN1128396C true CN1128396C (en) | 2003-11-19 |
Family
ID=5279664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99117015 Expired - Fee Related CN1128396C (en) | 1999-07-28 | 1999-07-28 | Heat radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1128396C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8809697B2 (en) | 2011-05-05 | 2014-08-19 | Carefusion 303, Inc. | Passive cooling and EMI shielding system |
-
1999
- 1999-07-28 CN CN 99117015 patent/CN1128396C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1282896A (en) | 2001-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6487076B1 (en) | Compact heat sink module | |
| EP2988493B1 (en) | Image displaying apparatus | |
| CN101308272A (en) | Backlight module frame and its assembling method | |
| EP3428508B1 (en) | Intelligent road lamp | |
| CN205402421U (en) | Straight down type backlight module and display device provided with same | |
| KR20000050356A (en) | Multi in-line memory module and the electronic component socket therefor | |
| CN1128396C (en) | Heat radiator | |
| CN2383136Y (en) | Radiator | |
| US20080044624A1 (en) | Complex architecture for dispersing heat | |
| US20200373218A1 (en) | Heat dissipation device and electronic device | |
| CN117082820A (en) | LED display panel and LED display screen | |
| CN205454364U (en) | Heat dissipation post and radiator | |
| CN212785531U (en) | Camera shooting module | |
| CN2692834Y (en) | Radiator fixer | |
| CN2819289Y (en) | Radiator | |
| CN105991043A (en) | A power conversion device | |
| CN217386601U (en) | Fixing device of LED display screen lamp plate and face lid | |
| CN101340797B (en) | Heat radiating device | |
| CN210137519U (en) | Heat dissipation casing and controller based on same | |
| CN216058088U (en) | Heat radiation fin structure with high heat exchange performance | |
| CN2283888Y (en) | Radiating board for central processing unit | |
| CN216249126U (en) | Novel computer without fan heat radiation structure | |
| CN1405814A (en) | Induction device to automatically reset and free from mounting direction restriction at 360 degrees | |
| CN218446585U (en) | Cooling assembly based on 3U-VPX mainboard | |
| CN216212077U (en) | Box body of LED display device and LED display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031119 Termination date: 20140728 |
|
| EXPY | Termination of patent right or utility model |