CN213335722U - Heat pipe with large heat dissipation area - Google Patents
Heat pipe with large heat dissipation area Download PDFInfo
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- CN213335722U CN213335722U CN202021945841.7U CN202021945841U CN213335722U CN 213335722 U CN213335722 U CN 213335722U CN 202021945841 U CN202021945841 U CN 202021945841U CN 213335722 U CN213335722 U CN 213335722U
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Abstract
The utility model discloses a heat pipe with large heat dissipation area, which comprises a pipe body, wherein the pipe body comprises an evaporation section, an insulation section and a condensation section, the insulation section is positioned between the evaporation section and the condensation section, the evaporation section, the insulation section and the condensation section are sequentially communicated, the condensation section is of a hollow round platform structure, the condensation section comprises an opening end, a side wall and a cooling bottom surface, and the diameter of the cooling bottom surface is larger than that of the opening end; the opening end is connected with the heat insulation section, and a cooling plate is arranged on the cooling bottom surface; and a plurality of cooling columns are arranged in the condensation section, one ends of the cooling columns are connected with the cooling bottom surface, and the other ends of the cooling columns extend towards the direction of the heat insulation section. The utility model discloses a heat pipe that heat radiating area is big, condensation segment are hollow round platform structure, and its cooling bottom surface is equipped with the cooling plate, is equipped with a plurality of cooling column in it, and cooling plate and every cooling column all can with the working medium direct contact cooling of gaseous state, have increased heat radiating area, have improved the condensation efficiency of condensation segment.
Description
Technical Field
The utility model relates to a heat pipe technical field specifically is a heat pipe that heat radiating area is big.
Background
Heat pipes have been widely used in electronic components with large heat generation because of their advantage of high heat transfer capacity. When the heat pipe works, the low-boiling point working medium filled in the pipe body is evaporated and vaporized after the evaporation section absorbs heat generated by the heating electronic element, and the steam takes the heat to move to the condensation section and is liquefied and condensed at the condensation section to release the heat, so that the electronic element is cooled. The liquefied working medium flows back to the evaporation section under the action of the capillary structure on the inner wall of the heat conduction pipe, and is continuously evaporated, vaporized, liquefied and condensed, so that the working medium circularly moves in the heat conduction pipe, and heat generated by the electronic element is continuously dissipated. The traditional heat pipe is generally in a round pipe shape, the heat dissipation area of the condensation section is small, and the heat dissipation speed is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat pipe that heat radiating area is big, condensation segment are hollow round platform structure, and its cooling bottom surface is equipped with the cooling plate, are equipped with a plurality of cooling column in it, and cooling plate and every cooling column all can with the working medium direct contact cooling of gaseous state, have increased heat radiating area, have improved condensation efficiency of condensation segment.
In order to achieve the above object, the utility model provides a following technical scheme:
a heat pipe with a large heat dissipation area comprises a pipe body, wherein the pipe body comprises an evaporation section, a heat insulation section and a condensation section, the heat insulation section is positioned between the evaporation section and the condensation section, the evaporation section, the heat insulation section and the condensation section are sequentially communicated, the condensation section is of a hollow round platform structure, the condensation section comprises an opening end, a side wall and a cooling bottom surface, and the diameter of the cooling bottom surface is larger than that of the opening end; the opening end is connected with the heat insulation section, and a cooling plate is arranged on the cooling bottom surface; and a plurality of cooling columns are arranged in the condensation section, one ends of the cooling columns are connected with the cooling bottom surface, and the other ends of the cooling columns extend towards the direction of the heat insulation section.
In one embodiment, a first capillary structure layer is arranged on the evaporation section, a second capillary structure layer is arranged on the heat insulation section, the thickness of the first capillary structure layer gradually increases from one end close to the heat insulation section to the other end, the thickness of the second capillary structure layer gradually decreases from one end close to the evaporation section to the other end, and the minimum thickness of the capillary structure layer on the wall of the evaporation section is equal to the maximum thickness of the capillary structure layer on the wall of the heat insulation section.
In one embodiment, the inner diameter of the evaporation section is gradually reduced from one end close to the heat insulation section to the other end.
In one embodiment, the inner diameter of the adiabatic section is equal to the maximum inner diameter of the evaporator section.
In one embodiment, the diameter of the open end is equal to the maximum inner diameter of the evaporator end.
In one embodiment, a vacuum heat insulation layer is arranged between the tube wall of the heat insulation section and the second capillary structure layer.
In one embodiment, a flow guide pipe is arranged in the condensation section, and one end of the flow guide pipe is connected with the cooling bottom surface.
The utility model discloses a heat pipe that heat radiating area is big, condensation segment are hollow round platform structure, and its cooling bottom surface is equipped with the cooling plate, is equipped with a plurality of cooling column in it, and cooling plate and every cooling column all can with the working medium direct contact cooling of gaseous state, have increased heat radiating area, have improved the condensation efficiency of condensation segment.
Drawings
Fig. 1 is a schematic view of the internal structure of a heat pipe with a large heat dissipation area according to the present invention;
10. a pipe body; 11. an evaporation section; 12. a thermally insulating section; 121. a vacuum heat insulation layer; 13. a condensing section; 131. an open end; 132. a side wall; 133. cooling the bottom surface; 21. a first capillary structure layer; 22. a second capillary structure layer; 31. a cooling plate; 32. cooling the column; 33. and a flow guide pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic view of an internal structure of a heat pipe with a large heat dissipation area according to an embodiment, the heat pipe with a large heat dissipation area includes a pipe body 10, the pipe body 10 includes an evaporation section 11, an insulation section 12 and a condensation section 13, the insulation section 12 is located between the evaporation section 11 and the condensation section 13, the evaporation section 11, the insulation section 12 and the condensation section 13 are sequentially communicated, the condensation section 13 is in a hollow truncated cone structure, the condensation section 13 includes an open end 131, a side wall 132 and a cooling bottom 133, and a diameter of the cooling bottom 133 is larger than a diameter of the open end 131; the open end 131 is connected with the heat insulation section 12, and a cooling plate 31 is arranged on the cooling bottom surface 133; a plurality of cooling columns 32 are arranged in the condensation section 13, one end of each cooling column 32 is connected with the cooling bottom surface 133, and the other end of each cooling column 32 extends towards the heat insulation section 12, wherein the inner diameter of the heat insulation section 12 is equal to the maximum inner diameter of the evaporation section 11; the diameter of the open end 131 is equal to the maximum inner diameter of the evaporation section 11.
Specifically, a first capillary structure layer 21 is arranged on the evaporation section 11, a second capillary structure layer 22 is arranged on the insulation section 12, the thickness of the first capillary structure layer 21 gradually increases from one end close to the insulation section 12 to the other end, the thickness of the second capillary structure layer 22 gradually decreases from one end close to the evaporation section 11 to the other end, and the capillary force gradually increases from one end close to the insulation section 12 to the other end, so that the speed of the working medium flowing back to the evaporation section 11 is higher, preferably, the minimum thickness of the capillary structure layer on the wall of the evaporation section 11 is equal to the maximum thickness of the capillary structure layer on the wall of the insulation section 12; the inner diameter of the evaporation section 11 is gradually reduced from one end near the heat insulation section 12 to the other end.
In one embodiment, a vacuum insulation layer 121 is disposed between the tube wall of the insulation segment 12 and the second capillary structure layer 22, so as to reduce heat loss of the insulation segment 12 and avoid heat in the heat pipe from being dissipated to an unspecified position.
Preferably, in order to accelerate the speed of the working medium in the middle of the condensation section 13 falling back to the evaporation section 11, a flow guide pipe 33 is arranged in the condensation section 13, and one end of the flow guide pipe 33 is connected with the cooling bottom surface 133.
The utility model discloses a heat pipe, the working medium gasification in first capillary structure layer 21 heat absorption messenger in it, utilize the gradual change internal diameter of evaporation zone 11 to accelerate the velocity of motion of steam, steam meets cold liquefaction in condensation zone 13, and partial liquid working medium falls back to adiabatic section 12 and evaporation zone 11 under the action of gravity, and partial liquid working medium gets into in second capillary structure layer 22, flows back to first capillary structure layer 21 under the effect of capillary force, accomplishes once the circulation that dispels the heat.
The utility model discloses a heat pipe that heat radiating area is big, condensation segment 13 are hollow round platform structure, and its cooling bottom surface 133 is equipped with cooling plate 31, is equipped with a plurality of cooling column 32 in it, and cooling plate 31 and every cooling column 32 all can with the working medium direct contact cooling of gaseous state, have increased heat radiating area, have improved condensation efficiency of condensation segment 13.
The foregoing examples, while indicating preferred embodiments of the invention, are given by way of illustration and description, it is to be understood that the invention is not limited to the disclosed forms herein but is not intended to be exhaustive or to exclude other examples and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings or the skill or knowledge of the relevant art, and not to limit the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the present invention, and these changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention, which is to be construed as being limited only by the appended claims. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A heat pipe with a large heat dissipation area comprises a pipe body, wherein the pipe body comprises an evaporation section, a heat insulation section and a condensation section, the heat insulation section is positioned between the evaporation section and the condensation section, and the evaporation section, the heat insulation section and the condensation section are sequentially communicated; the opening end is connected with the heat insulation section, and a cooling plate is arranged on the cooling bottom surface; and a plurality of cooling columns are arranged in the condensation section, one ends of the cooling columns are connected with the cooling bottom surface, and the other ends of the cooling columns extend towards the direction of the heat insulation section.
2. A heat pipe with a large heat dissipation area as defined in claim 1, wherein a first capillary structure layer is disposed on the evaporation section, a second capillary structure layer is disposed on the thermal insulation section, the thickness of the first capillary structure layer gradually increases from one end close to the thermal insulation section to the other end, the thickness of the second capillary structure layer gradually decreases from one end close to the evaporation section to the other end, and the minimum thickness of the capillary structure layer on the wall of the evaporation section is equal to the maximum thickness of the capillary structure layer on the wall of the thermal insulation section.
3. A heat pipe having a large heat dissipating area as claimed in claim 1, wherein an inner diameter of said evaporation section is gradually reduced from one end close to said heat insulating section to the other end.
4. A heat pipe with a large heat dissipating area as set forth in claim 3, wherein said heat insulating section has an inner diameter equal to the maximum inner diameter of said evaporating section.
5. A heat pipe with a large heat dissipation area as defined in claim 3, wherein said opening end has a diameter equal to the maximum inner diameter of said evaporation section.
6. A heat pipe with a large heat dissipation area as defined in claim 1, wherein a vacuum thermal insulation layer is disposed between the wall of the thermal insulation section and the second capillary structure layer.
7. A heat pipe having a large heat dissipating area as defined in claim 1, wherein a flow guiding pipe is provided in the condensing section, and one end of the flow guiding pipe is connected to the cooling bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021945841.7U CN213335722U (en) | 2020-09-08 | 2020-09-08 | Heat pipe with large heat dissipation area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021945841.7U CN213335722U (en) | 2020-09-08 | 2020-09-08 | Heat pipe with large heat dissipation area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213335722U true CN213335722U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021945841.7U Active CN213335722U (en) | 2020-09-08 | 2020-09-08 | Heat pipe with large heat dissipation area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213335722U (en) |
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2020
- 2020-09-08 CN CN202021945841.7U patent/CN213335722U/en active Active
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