CN203537724U - Heat dissipating device - Google Patents
Heat dissipating device Download PDFInfo
- Publication number
- CN203537724U CN203537724U CN201320520125.8U CN201320520125U CN203537724U CN 203537724 U CN203537724 U CN 203537724U CN 201320520125 U CN201320520125 U CN 201320520125U CN 203537724 U CN203537724 U CN 203537724U
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- Prior art keywords
- heat
- chamber
- lower house
- upper shell
- heat pipe
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Abstract
A heat dissipating device comprises a shell and a heat pipe. The shell comprises a cavity which accommodates working fluid. Multiple supporting columns and multiple fixing elements are arranged in the cavity. The heat pipe comprises a heat absorbing region which is arranged in the cavity of the shell and fixed by the multiple fixing elements. A heat dissipating region extends from the heat absorbing region and penetrates through the shell, and the heat dissipating region is arranged out of the cavity of the shell.
Description
Technical field
The utility model relates to a kind of heat abstractor, relates in particular to the heat abstractor of a kind of temperature-uniforming plate and heat pipe.
Background technology
With existing electronic equipment, using gradually the frivolous demand as bragging about, therefore each item all must dwindle its size thereupon, but the size of electronic equipment is dwindled the major obstacle that the thermal change of following and producing becomes electronic equipment and system enhancement performance.So industry, in order effectively to solve the element radiating problem in electronic equipment, just proposes respectively to have heat conduction efficiency preferably temperature-uniforming plate (Vapor chamber) and heat pipe (Heat pipe), effectively to solve the heat dissipation problem of present stage.
(Vapor chamber comprises and is the housing of square type shape and the capillary structure of enclosure interior chamber wall thereof temperature-uniforming plate, and this enclosure interior is filled with hydraulic fluid, and a side of this housing (being evaporating area) is sticked at a heater element (as central processing unit, north and south bridge wafer, electric crystal etc.) heat that upper this heater element of absorption produces, make liquid hydraulic fluid be converted to steam state in the evaporating area generation evaporation of this housing, heat is conducted to the condensing zone of this housing, the hydraulic fluid of this steam state is subject to after cooling in condensing zone to be condensed into liquid state, this liquid hydraulic fluid is back to evaporating area by gravity or capillary structure again and continues steam-condensate circulating, effectively to reach the effect of temperature uniforming heat radiation.
The principle of heat pipe (Heat pipe) is identical with Theoretical Framework and temperature-uniforming plate, mainly that hollow space in the heat pipe of pipe bore is inserted metal dust, and by mode wall within this heat pipe of sintering, form the capillary structure of a ring-type, this heat pipe vacuumized and fill hydraulic fluid, finally seal to form heat pipe structure thereafter.After being subject to thermal evaporation by evaporation part, hydraulic fluid diffuses to this condensation end, and this hydraulic fluid is steam state in this evaporation part, while leaving backward this condensation end diffusion by this evaporation part, be progressively subject to cooling condensation to be converted to liquid state, and by capillary structure, be back to this evaporation part again.
Relatively temperature-uniforming plate only has heat conducting mode different from heat pipe, and the heat exchange pattern of temperature-uniforming plate is two-dimentional, is the heat exchange pattern of face, yet the heat exchange pattern of heat pipe is the heat exchange pattern of one dimension.
Moreover, although existing temperature-uniforming plate can reach the effect of samming, but extend another problem, the heat transfer type that is temperature-uniforming plate is by after the attached heat of one side draught, phase by the hydraulic fluid in chamber changes conduction opposite side, in other words, be exactly temperature-uniforming plate be only to conduct to relative opposite side area so as to reaching even temperature effect by a lateral area absorption heat, but cannot there is the heat transfer type as heat pipe, the heat of absorption can be conducted to far-end dispels the heat, therefore, make temperature-uniforming plate only limit to be applicable to the large-area uniform heat conduction of application, and be not suitable for bringing, be applied to far-end heat conduction.If heat cannot dispel the heat in good time, easy accumulated heat is near pyrotoxin.
Therefore, industry still needs present heat dissipation technology to be improved at present, to significantly promoting heat conducting efficiency, and effectively solves the heat dissipation problem of high power electronic element.
Utility model content
Therefore, for solving the shortcoming of above-mentioned prior art, main purpose of the present utility model, the heat abstractor that provides a kind of large area conduction heat sources and far-end to dispel the heat.
Another object of the utility model is to provide a kind of heat abstractor that simultaneously utilizes one dimension heat conducting and radiating and Two-Dimensional Heat Conduction heat radiation.
Another object of the utility model is to provide heat abstractor that a kind of temperature-uniforming plate is combined with heat pipe so as to promoting heat conduction and radiating efficiency.
Another object of the utility model be the heat pipe housing that runs through a temperature-uniforming plate inside and outside, and a plurality of retaining elements that the heat pipe that is positioned at housing is arranged on housing fix, and directly do not contact the heat abstractor of housing.
For achieving the above object, the utility model provides a kind of heat abstractor, comprising: a housing, and comprise one first chamber and be provided with one first capillary structure and be installed with the first hydraulic fluid, a plurality of support cylinders and a plurality of retaining element are arranged in this first chamber; An and heat pipe, be arranged in this first chamber and run through this housing towards housing extension, this heat pipe comprises one second chamber and a radiating area is extended in a heat absorption district, wherein in this second chamber, be provided with one second capillary structure and be installed with one second hydraulic fluid, this heat absorption district is positioned at first chamber of this housing, and by the plurality of retaining element, fixed, this radiating area is positioned at outside the first chamber of this housing, and is exposed in the environment outside this housing.This housing comprises a upper shell and a lower house, and this upper shell comprises that a side wall ring is located at this first chamber around, and defines this first chamber of an open communication, and this lower house is to should lower house and be arranged on this opening part and seal this first chamber; Wherein this first chamber is between this upper shell and lower house.
Preferably, this lower house comprises one first side and contrary this first side of one second side, and wherein the first side of this lower house is provided with this first capillary structure and contacts the hydraulic fluid in this first chamber, the surface of the second side contacts one hot producing component of this lower house; This sidewall is positioned at this first side.
Preferably, this upper shell comprises one the 3rd side and contrary the 3rd side of one the 4th side, and the 3rd side is positioned at this first chamber and is provided with this first capillary structure.
Preferably, the plurality of support cylinder is arranged between the first side of this lower house and the 3rd side of this upper shell, to support this upper shell and this lower house.
Preferably, in an enforcement, the plurality of support cylinder is that heat-conducting metal forms, and this heat-conducting metal comprises wherein arbitrary or its combination of gold, silver, copper and aluminium.
Preferably, in another is implemented, the outer surface of the plurality of support cylinder forms coated this support cylinder of one the 3rd capillary structure layer.
Preferably, the 3rd capillary structure layer is combined into one via diffusion bond and this first capillary structure.
Preferably, in other are implemented, the plurality of support cylinder is the concrete dynamic modulus cylinder that capillary structure forms.
Preferably, the plurality of retaining element is positioned at the first side of this lower house.
Preferably, the plurality of retaining element has the heat absorption district that a free end contacts this heat pipe, with the heat absorption district of this heat pipe of fixed support in this first chamber.
Preferably, the heat absorption district of this heat pipe is positioned between this upper shell and lower house, and does not contact the first side of this lower house and the 3rd side of this upper shell.
What preferably, in an enforcement, axially wriggled along one of this heat pipe in the heat absorption district of this heat pipe extends to form.
Preferably, the plurality of support cylinder and a plurality of retaining element are with the mutual spread configuration of mode of row, the wherein retaining element of adjacent another row of support cylinder of every a line.
Preferably, the heat absorption position of this heat pipe at this support cylinder around.
The heat that can make heat abstractor not only have large area by the utility model passes effect, has more the function of far-end heat transfer, and then can significantly promote overall thermal biography effect.
Accompanying drawing explanation
Fig. 1 is perspective exploded view of the present utility model;
Fig. 2 is three-dimensional combination schematic diagram of the present utility model;
Fig. 3 is the profile of the X-X line of the utility model Fig. 2;
Fig. 4 is the profile of the Y-Y line of the utility model Fig. 2;
Fig. 5 is practical application schematic diagram of the present utility model.
Symbol description
1 heat abstractor
10 housings
11 upper shells
111 the 3rd sides
112 the 4th sides
12 lower houses
121 first sides
122 second sides
123 sidewalls
1231 openings
1232 perforation
13 first chambers
131 first capillary structures
132 first hydraulic fluids
133 support cylinders
1331 the 3rd capillary structures
134 retaining elements
1341 free ends
20 heat pipes
23 second chambers
21 heat absorption districts
22 radiating areas
24 second capillary structures
25 second hydraulic fluids
26 second radiating fins
27 first radiating fins
28 hot producing components
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Characteristic in above-mentioned purpose of the present utility model and structure thereof and function, will be explained according to appended graphic preferred embodiment.
Refer to Fig. 1 to 4, the perspective exploded view that Fig. 1 is the utility model, Fig. 2 is three-dimensional combination schematic diagram of the present utility model, and Fig. 3 is the profile of the X-X ' line of the utility model the 2nd figure, and Fig. 4 is the profile of the Y-Y ' line of the utility model Fig. 2.As shown in Figures 1 to 4, heat abstractor 1 comprises a housing 10 (as shown in Figure 2) and a heat pipe 20.Housing 10 can be made by the good material of thermal conductivity, metal for example, but not as limit, housing 10 comprises a upper shell 11, a lower house 12 and one first chamber 13,11 pairs of this upper shells should lower house 12, and this first chamber 13 is between this upper shell 11 and lower house 12.In the first chamber 13, be provided with one first capillary structure 131 and store one first hydraulic fluid 132 (as shown in Fig. 3 and 4).A plurality of support cylinders 133 and a plurality of retaining element 134 are arranged in this first chamber 13.This heat pipe 20 runs through this housing 10 then towards housing 10 extensions in this first chamber 13.
This lower house 12 comprises one first side 121 and contrary this first side 121 of one second side 122, this first side 121 is provided with this first capillary structure 131 and contacts the first hydraulic fluid 132 in this first chamber 13, and this second side 122 is embodied as a plane in order to contact the surface (as shown in Figure 5) of a hot producing component one.One sidewall 123 is arranged on this first side 121 and ring is located at this first chamber 13 around, and a upper end of this sidewall 123 is defined an opening 1231 and is communicated with this first chamber 13, and sidewall 123 is provided with two perforation 1232 provides the heat pipe 20 in the first chamber 13 to run through.
This upper shell 11 is arranged on this opening 1231 and sentences this first chamber 13 of sealing.Comprise that one the 3rd side 111 and contrary the 3rd side 111, the three sides 111 of one the 4th side 112 are positioned at this first chamber 13, and be provided with this first capillary structure 131.The 4th side 112 forms a plane in order to contact a heat dissipation element (as shown in Figure 5) in an enforcement.At another, implement also can not contact heat dissipation element directly from the 4th side 112 heat radiations.
This heat pipe 20 is for example the heat pipe of circular caliber or for flat flat-plate heat pipe, and the heat pipe with circular caliber in this figure represents, but not as limit.Heat pipe 20 comprises one second chamber 23 (as shown in the 3rd and 4 figure) and a radiating area 22 is extended in a heat absorption district 21, wherein in this second chamber 23, be provided with one second capillary structure 24 and be installed with one second hydraulic fluid 25 (as shown in Fig. 3 and 4), this heat absorption district 21 is arranged in the first chamber 13 of this housing 10, and fixing by the plurality of retaining element 134, this radiating area 22 is arranged on outside the first chamber 13 of this housing 10, and is exposed in the environment outside this housing 10.It should be noted that, what axially wriggled along one of this heat pipe 20 in the heat absorption district 21 of heat pipe 20 extends to form, and increases whereby the length of being heated of heat pipe 20.
The plurality of support cylinder 133 is arranged between the first side 121 of this lower house 12 and the 3rd side 111 of this upper shell 11, be used for supporting this upper shell 11 and this lower house 12, prevent housing 10 in the process vacuumizing or subside afterwards, and when housing 10 injects after the first hydraulic fluid 132 sealings, more can strengthen the bulk strength of housing 10.The plurality of support cylinder 133 is preferably the solid cylinder that heat-conducting metal forms, and this heat-conducting metal comprises wherein arbitrary or its combination of gold, silver, copper and aluminium.In another is implemented except the solid cylinder of this support cylinder 133 for heat-transfer metal formation, more coated these support cylinder 133, the three capillary structures 1331 of outer surface formation one deck the 3rd capillary structure 1331 at support cylinder 133 can be combined into one via mode and this first capillary structure 131 of diffusion bond.The concrete dynamic modulus cylinder of the plurality of support cylinder 133 for utilizing metal powder sintered capillary structure to form in other are implemented.It should be noted that the 3rd capillary structure 1331 or the support cylinder 133 consisting of capillary structure, it is strengthening capillary backflow efficiency, makes to be back to lower house 12 near the rapid capillary of the first hydraulic fluid 132 of these upper shell 11 cooling liquids.
The plurality of retaining element 134 is arranged on the first side 121 of this lower house 12, one free end 1341 with setting towards but do not contact this upper shell 11, this free end 1341 is for contacting the heat absorption district 21 of this heat pipe 20, and the shape of free end 1341 and heat pipe 20 external forms match, so as to the heat absorption district 21 of this heat pipe 20 of fixed support in this first chamber 13.
Moreover a plurality of support cylinders 133 in the first chamber 13 and a plurality of retaining element 134 are that the mode to go arranges alternately, and the retaining element 134 of support cylinder 133 adjacent another row of every a line.So arrange, order forms sinuous heat absorption district 21 windings of extending at this support cylinder 133 around.So, the heat on the second side 122 surfaces of lower house 12 can be delivered to via the average heat of the retaining element 134 of the first side 121 the heat absorption district 21 of this heat pipe 20.But moreover, because the first hydraulic fluid 132 in the first chamber 13 changes steam state into from liquid state after lower house 12 is heated, then heat is taken to upper shell 11 heat radiations, the first hydraulic fluid 132 of steam state is going to the heat absorption district 21 of this heat pipe 20 of passage in transit of upper shell 11, by part heat is absorbed by the heat absorption district 21 of heat pipe 20, then antipyretic by heat pipe 20.On the other hand, heat pipe 20 has been avoided support cylinder 133, so the first hydraulic fluid 132 of most of cooling liquid is back to lower house 12 by the 3rd capillary structure 1331 capillarys outside support cylinder 133, avoid dropping onto the heat absorption district 21 of heat pipe 20, so can not affect the endothermic effect in heat absorption district 21.
Moreover the heat absorption district 21 of the heat pipe 20 that the element 134 of being fixed in an enforcement supports, between this upper shell 11 and lower house 12, and does not contact the first side 121 of this lower house 12 and the 3rd side 111 (as shown in Fig. 3 and 4) of this upper shell 11.To reduce at the first hydraulic fluid 132 of upper shell 11 cooling liquids and/or at the first hydraulic fluid 132 that lower house 12 is prepared to transfer vaporization to by liquefaction, affect the endothermic effect in the heat absorption district 21 of heat pipe 20 like this.
Subsidiary one carry be, second hydraulic fluid 25 in the heat absorption district 21 of heat pipe 20 changes steam state into after being heated, then heat is delivered to radiating area 22 heat radiations, in radiating area, 22 cooling the second hydraulic fluids 25 change liquefaction into from vaporization and then along the second capillary structure 24 capillarys, are back to heat absorption district, and so the carrying out of circulation heat is transmitted.
Finally, at first and second and three capillary structure 131,24,1331 concrete examples this enforcement Suo Shu, as being metal powder sintered formation, but be not limited to this, also can be reticulate body or corpus fibrosum.
Please continue to refer to Fig. 5, it is the wherein schematic diagram of a concrete application of the utility model.As shown in Figure 5, in the lump with reference to figure 1-4, the bottom surface of housing 10, namely the second side 122 of lower house 12 is arranged on the surface of a hot producing component 28, and this hot producing component 28 is for example CPU; The end face of housing 10, namely the 4th side 112 of upper shell 11 is provided with a heat dissipation element, the first radiating fin 27 for example, the radiating area 22 of heat pipe 20, namely the one end away from this heat absorption district 21 is provided with another heat dissipation element, for example one second radiating fin 26.
The heat that hot producing component 28 produces is delivered to the first side 121 from lower house 12 second sides 122, make interior the first aqueous hydraulic fluid 132 of the first chamber 13 be heated and change steam into, heat is passed to the 3rd side 111 of upper shell 11, the first hydraulic fluid 132 is also passed to heat the heat absorption district 21 of heat pipe 20 simultaneously.Meanwhile, the heat that hot producing component 28 produces is delivered to the first side 121 from the second side 122 of lower house 12, then through this retaining element 134, heat is delivered to the heat absorption district 21 of this heat pipe 20.Because heat pipe 20 is quick unidirectional conduction, therefore the heat in heat absorption district 21 is delivered to rapidly this radiating area 22, by the second radiating fin 26 heat radiations.On the other hand, the heat of hot producing component 25 can be delivered to the 4th side 112 of upper shell 11 fast, makes heat diffusion uniformly on the effective area of the 4th side 112, then by these the first radiating fin 27 heat radiations.
In sum, the utility model can make heat abstractor not only have large-area heat and pass effect, has more the function of far-end heat loss through conduction, and then can significantly promote overall thermal biography effect.
Although the utility model discloses as above with execution mode; yet can not limit the utility model; any person skilled in the art; within not departing from spirit and scope of the present utility model; all can be used for a variety of modifications and variations, therefore protection range of the present utility model is when being limited and be as the criterion with claim.
Claims (15)
1. a heat abstractor, is characterized in that, comprising:
One housing, comprises one first chamber and is provided with one first capillary structure and has been installed with the first hydraulic fluid, and a plurality of support cylinders and a plurality of retaining element are arranged in this first chamber; And
One heat pipe, be arranged in this first chamber and run through this housing towards housing extension, this heat pipe comprises one second chamber and a radiating area is extended in a heat absorption district, wherein in this second chamber, be provided with one second capillary structure and be installed with one second hydraulic fluid, this heat absorption district is positioned at first chamber of this housing, and by the plurality of retaining element, fixed, this radiating area is positioned at outside first chamber of this housing, and is exposed in the environment outside this housing.
2. heat abstractor as claimed in claim 1, it is characterized in that, wherein this housing comprises a upper shell and a lower house, this upper shell comprises that a side wall ring is located at this first chamber around, and define this first chamber of an open communication, this lower house is to should lower house and be arranged on this opening part and seal this first chamber; Wherein this first chamber is between this upper shell and lower house.
3. heat abstractor as claimed in claim 2, it is characterized in that, wherein this lower house comprises one first side and contrary this first side of one second side, wherein the first side of this lower house is provided with this first capillary structure and contacts the hydraulic fluid in this first chamber, the surface of the second side contacts one hot producing component of this lower house; This sidewall is positioned at this first side.
4. heat abstractor as claimed in claim 3, is characterized in that, wherein upper shell comprises one the 3rd side and contrary the 3rd side of one the 4th side, and the 3rd side is positioned at this first chamber and is provided with this first capillary structure.
5. heat abstractor as claimed in claim 4, is characterized in that, wherein the plurality of support cylinder is arranged between the first side of this lower house and the 3rd side of this upper shell, to support this upper shell and this lower house.
6. heat abstractor as claimed in claim 5, is characterized in that, wherein the plurality of support cylinder is that heat-conducting metal forms, and this heat-conducting metal comprises wherein arbitrary or its combination of gold, silver, copper and aluminium.
7. heat abstractor as claimed in claim 6, is characterized in that, wherein the outer surface of the plurality of support cylinder forms coated this support cylinder of one the 3rd capillary structure layer.
8. heat abstractor as claimed in claim 7, is characterized in that, wherein the 3rd capillary structure layer is combined into one via diffusion bond and this first capillary structure.
9. heat abstractor as claimed in claim 6, is characterized in that, wherein the plurality of support cylinder is the concrete dynamic modulus cylinder that capillary structure forms.
10. heat abstractor as claimed in claim 6, is characterized in that, wherein the plurality of retaining element is positioned at the first side of this lower house.
11. heat abstractors as claimed in claim 2, is characterized in that, wherein the plurality of retaining element has the heat absorption district that a free end contacts this heat pipe, with the heat absorption district of this heat pipe of fixed support in this first chamber.
12. heat abstractors as claimed in claim 11, is characterized in that, wherein the heat absorption district of this heat pipe is positioned between this upper shell and lower house, and do not contact the first side of this lower house and the 3rd side of this upper shell.
13. heat abstractors as claimed in claim 12, is characterized in that, wherein the heat absorption district of this heat pipe is extending to form of axially wriggling along one of this heat pipe.
14. heat abstractors as claimed in claim 13, is characterized in that, wherein the plurality of support cylinder and a plurality of retaining element are the mutual spread configuration of mode with row, the wherein retaining element of adjacent another row of support cylinder of every a line.
15. heat abstractors as claimed in claim 14, is characterized in that, wherein the heat absorption position of this heat pipe at this support cylinder around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520125.8U CN203537724U (en) | 2013-08-23 | 2013-08-23 | Heat dissipating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520125.8U CN203537724U (en) | 2013-08-23 | 2013-08-23 | Heat dissipating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203537724U true CN203537724U (en) | 2014-04-09 |
Family
ID=50423890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320520125.8U Expired - Fee Related CN203537724U (en) | 2013-08-23 | 2013-08-23 | Heat dissipating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203537724U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941769A (en) * | 2016-11-16 | 2017-07-11 | 林进东 | A kind of good radiator structure part of combination property and its preparation technology |
| CN104427824B (en) * | 2013-08-23 | 2018-10-16 | 奇鋐科技股份有限公司 | Radiator |
| CN110265687A (en) * | 2019-07-04 | 2019-09-20 | 湖南理工燃料电池有限公司 | A kind of radiator and fuel cell pack of battery pile electrode block |
-
2013
- 2013-08-23 CN CN201320520125.8U patent/CN203537724U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104427824B (en) * | 2013-08-23 | 2018-10-16 | 奇鋐科技股份有限公司 | Radiator |
| CN106941769A (en) * | 2016-11-16 | 2017-07-11 | 林进东 | A kind of good radiator structure part of combination property and its preparation technology |
| CN106941769B (en) * | 2016-11-16 | 2019-12-27 | 林进东 | Heat dissipation structural part with good comprehensive performance and preparation process thereof |
| CN110265687A (en) * | 2019-07-04 | 2019-09-20 | 湖南理工燃料电池有限公司 | A kind of radiator and fuel cell pack of battery pile electrode block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20190823 |