CN214199797U - Air-cooled heat pipe radiator for electronic component - Google Patents
Air-cooled heat pipe radiator for electronic component Download PDFInfo
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- CN214199797U CN214199797U CN202023346853.0U CN202023346853U CN214199797U CN 214199797 U CN214199797 U CN 214199797U CN 202023346853 U CN202023346853 U CN 202023346853U CN 214199797 U CN214199797 U CN 214199797U
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Abstract
The utility model provides an electronic components forced air cooling heat pipe radiator, including electronic components, heat pipe radiator, fan, fixed frame. The heat pipe radiator utilizes the semicircular section as a heat pipe evaporation section and is directly attached to an electronic component, so that the heat exchange area is enlarged, the thermal resistance between the heat pipe and the electronic component is reduced, and meanwhile, a plurality of micro-channel flat pipes are used as condensers, so that the condensation heat exchange area is enlarged. The utility model discloses fuse traditional heat pipe and radiator as an organic whole, under the prerequisite that keeps the big heat transfer area of radiator surface, strengthen inside heat transfer, promote heat transfer capacity and reduce the radiator volume.
Description
Technical Field
The utility model belongs to the technical field of electronic components heat dissipation, concretely relates to novel radiating application of heat pipe.
Background
Electronic components have the characteristics of small volume, high heat dissipation density and the like, the running performance of the electronic components is influenced by the working temperature, and in order to ensure the working environment of the electronic components, people adopt methods of natural cooling, forced heat dissipation and the like to cool the electronic components. Although liquid cooling has high heat dissipation capacity, the electronic components are damaged due to liquid leakage, so that the cooling is mostly carried out by adopting an air cooling mode.
In order to enhance the air cooling effect, some refrigeration and heat conduction devices are used in combination with a heat sink, such as a heat pipe, a semiconductor refrigeration sheet, and the like. The auxiliary devices are separated from the heat exchanger, and in order to match the appearance of the heat pipe, such as a copper pipe, a copper plate is additionally arranged to connect the electronic component and the copper pipe. Simplifying high-efficiency electronic component heat transfer equipment is an important research direction.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electronic components forced air cooling heat pipe radiator to current heat pipe and heat source thermal contact resistance big, heat pipe heat-conducting capacity low, heat abstractor bulky scheduling problem, the utility model provides a. The system integrates the heat pipe and the radiator into a whole, the semicircular section is used as the evaporation section of the heat pipe and is directly attached to the electronic component, the heat exchange area is enlarged, the thermal resistance between the heat pipe and the electronic component is reduced, and meanwhile, the plurality of micro-channel flat pipes are used as condensers, the condensation heat exchange area is enlarged, and the air cooling heat exchange capacity is enhanced.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
an air-cooled heat pipe radiator for electronic components comprises an electronic component 1 at the bottom, a heat pipe radiator 3 above the electronic component 1, and a fan 5 above the heat pipe radiator 3; the fan 5 is fixed with the electronic component 1 into a whole through the fixed frame 4; the electronic component 1 is used as a heat source, and the upper surface of the electronic component is coated with a layer of heat-conducting silicone grease 2; for reducing the thermal contact resistance between the electronic component 1 and the heat pipe radiator 3.
The heat pipe radiator 3 comprises a plurality of semicircular evaporators 31, a first microchannel flat pipe condenser 32 and a second microchannel flat pipe condenser 33, wherein the semicircular evaporators 31 are aligned and connected in a horizontal plane according to a plurality of rows and a plurality of columns, and the bottom surfaces of the semicircular evaporators 31 are smooth and are in contact with the heat-conducting silicone grease 2; fins 36 are arranged between every two adjacent semicircular evaporators 31 in each row in the transverse direction, the bottom ends of the fins 36 are integrated with the lower wall surfaces of the semicircular evaporators 31, and the upper ends of the fins 36 are respectively connected with the upper wall surfaces of the adjacent semicircular evaporators 31 in a welding manner to form a closed space; meanwhile, the side surface of the rib 36 is provided with a refrigerant connecting through hole 34 for connecting the adjacent semicircular evaporators 31; a plurality of first microchannel flat tube condensers 32 are communicated and arranged on the semicircular evaporators 31 in the longitudinal odd rows, a plurality of second microchannel flat tube condensers 33 are communicated and arranged on the semicircular evaporators 31 in the even rows, and the first microchannel flat tube condensers 32 and the second microchannel flat tube condensers 33 are radially distributed on the semicircular arc surfaces of the semicircular evaporators 31; between two adjacent rows of semicircular evaporators 31, first microchannel flat tube condenser 32 and second microchannel flat tube condenser 33 stagger each other in vertical direction, and the semicircular evaporators 31 are internally provided with refrigerants.
Preferably, the side wall surface of the semicircular evaporator 31 positioned at the end portion is provided with a refrigerant liquid filling hole 35.
Preferably, the microchannel thickness of the microchannel flat tube condenser is 1-2 mm.
Preferably, the refrigerant connection hole 34 is disposed at the center of the side surface of the rib 36, and is a concentric circular hole with the refrigerant liquid filling hole 35.
The utility model discloses an electronic components forced air cooling heat pipe radiator's working method does: when the radiator works, the heat of the electronic component 1 is transferred to the semicircular evaporator 31 through the heat-conducting silicone grease 2, a liquid refrigerant in the evaporator absorbs the heat and changes the phase into a gaseous state, and the gaseous refrigerant rises and flows into the first microchannel flat tube condenser 32 and the second microchannel flat tube condenser 33; the fan 5 drives cold air to blow across the surfaces of the first microchannel flat tube condenser 32 and the second microchannel flat tube condenser 33 and absorb heat; the gaseous refrigerant is cooled and then is changed into liquid state, and the liquid state flows back to the semicircular evaporator 31 again under the action of gravity to complete primary heat transfer; if the surface heat of the electronic component 1 is not uniform, the heat in a certain area is too high, at this time, the evaporation speed of the refrigerant in the semicircular evaporator 31 in contact with the area is higher, and the refrigerant in other evaporators flows into the refrigerant connecting through hole 34 to balance the refrigerant.
The heat pipe radiator 3 integrates the advantages of the traditional heat pipe and the radiator, and has the characteristics of large external heat exchange area, strong internal heat transfer capacity and the like.
The heat pipe evaporator is semicircular, and the smooth section of the heat pipe evaporator is beneficial to being combined with a heat source besides large heat exchange area; the ribs 36 between the heat pipe evaporators can effectively reinforce the connection strength of the upper and lower wall surfaces to prevent deformation. The heat pipe condenser is a plurality of micro-channel flat pipes, is in multi-angle radiation arrangement, and has the advantages of large heat exchange area, strong internal two-phase flow heat exchange capacity and the like; meanwhile, the first microchannel flat tube condenser 32 and the second microchannel flat tube condenser 33 can disturb the air flowing state in a staggered mode at opposite positions, and the heat exchange capacity is improved.
In order to balance the heat transfer capacity of different areas of the evaporator, the refrigerant communication holes 34 can fill the refrigerant in other evaporators to the required area.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses combine heat pipe and radiator as an organic whole, guarantee under surface heat transfer area's the prerequisite, strengthen inside heat transfer ability.
2. The semicircular pipe is used as an evaporator, and the pressure bearing capacity of the evaporator is enhanced by combining a fin structure.
3. Condensers at different positions are distributed in a crossed manner, so that heat exchange air disturbance is enhanced, and forced convection heat exchange capability is improved.
Drawings
Fig. 1 is a structural front view of an air-cooled heat pipe radiator for an electronic component according to an embodiment of the present invention;
fig. 2 is a top view of an air-cooled heat pipe radiator for an electronic component according to an embodiment of the present invention;
in the drawing, 1 is an electronic component, 2 is heat-conducting silicone grease, 3 is a heat pipe radiator, 31 is a semicircular evaporator, 32 is a first microchannel flat pipe condenser, 33 is a second microchannel flat pipe condenser, 34 is a refrigerant connecting through hole, 35 is a refrigerant liquid filling hole, 36 is a fin, 4 is a fixed frame, and 5 is a fan.
Detailed Description
As shown in fig. 1 and 2, an air-cooled heat pipe radiator for an electronic component includes an electronic component 1 at the bottom, a heat pipe radiator 3 above the electronic component 1, and a fan 5 above the heat pipe radiator 3; the fan 5 is fixed with the electronic component 1 into a whole through the fixed frame 4; the electronic component 1 is used as a heat source, and the upper surface of the electronic component is coated with a layer of heat-conducting silicone grease 2; for reducing the thermal contact resistance between the electronic component 1 and the heat pipe radiator 3.
The heat pipe radiator 3 comprises a plurality of semicircular evaporators 31, a first microchannel flat pipe condenser 32 and a second microchannel flat pipe condenser 33, wherein the semicircular evaporators 31 are aligned and connected in a horizontal plane according to a plurality of rows and a plurality of columns, and the bottom surfaces of the semicircular evaporators 31 are smooth and are in contact with the heat-conducting silicone grease 2; fins 36 are arranged between every two adjacent semicircular evaporators 31 in each row in the transverse direction, the bottom ends of the fins 36 are integrated with the lower wall surfaces of the semicircular evaporators 31, and the upper ends of the fins 36 are respectively connected with the upper wall surfaces of the adjacent semicircular evaporators 31 in a welding manner to form a closed space; meanwhile, the center of the side surface of the rib 36 is provided with a refrigerant connecting through hole 34 for connecting the adjacent semicircular evaporators 31; the liquid refrigerant can freely flow to balance the pressure in each evaporator. A plurality of first microchannel flat tube condensers 32 are communicated and arranged on the semicircular evaporators 31 in the longitudinal odd rows, a plurality of second microchannel flat tube condensers 33 are communicated and arranged on the semicircular evaporators 31 in the even rows, and the first microchannel flat tube condensers 32 and the second microchannel flat tube condensers 33 are radially distributed on the semicircular arc surfaces of the semicircular evaporators 31; between two adjacent rows of semi-circular evaporators 31, vertically go up first microchannel flat tube condenser 32 just to the clearance between the flat tube condenser 32 of first microchannel, first microchannel flat tube condenser 32 and second microchannel flat tube condenser 33 stagger each other on vertical, can disturb the air flow like this, improve heat transfer ability. The semicircular evaporator 31 is provided with a refrigerant therein. Fins 36 are provided between the upper and lower walls of the semicircular evaporator 31. The side wall surface of the semicircular evaporator 31 at the end is provided with a refrigerant liquid filling hole 35. The microchannel thickness of the microchannel flat tube condenser is 1-2 mm. The refrigerant liquid filling hole 35 and the refrigerant communicating hole 34 are concentric circular holes.
The working method of the air-cooled heat pipe radiator of the electronic component comprises the following steps: when the radiator works, the heat of the electronic component 1 is transferred to the semicircular evaporator 31 through the heat-conducting silicone grease 2, a liquid refrigerant in the evaporator absorbs the heat and changes the phase into a gaseous state, and the gaseous refrigerant rises and flows into the first microchannel flat tube condenser 32 and the second microchannel flat tube condenser 33; the fan 5 drives cold air to blow across the surfaces of the first microchannel flat tube condenser 32 and the second microchannel flat tube condenser 33 and absorb heat; the gaseous refrigerant is cooled and then is changed into liquid state, and the liquid state flows back to the semicircular evaporator 31 again under the action of gravity to complete primary heat transfer; if the surface heat of the electronic component 1 is not uniform, the heat in a certain area is too high, at this time, the evaporation speed of the refrigerant in the semicircular evaporator 31 in contact with the area is higher, and the refrigerant in other evaporators flows into the refrigerant connecting through hole 34 to balance the refrigerant.
The heat pipe radiator 3 integrates the advantages of the traditional heat pipe and the radiator, and has the characteristics of large external heat exchange area, strong internal heat transfer capacity and the like.
The heat pipe evaporator is semicircular, and the smooth section of the heat pipe evaporator is beneficial to being combined with a heat source besides large heat exchange area; the ribs 36 between the heat pipe evaporators can effectively reinforce the connection strength of the upper and lower wall surfaces to prevent deformation. The heat pipe condenser is a plurality of micro-channel flat pipes, is in multi-angle radiation arrangement, and has the advantages of large heat exchange area, strong internal two-phase flow heat exchange capacity and the like; meanwhile, the first microchannel flat tube condenser 32 and the second microchannel flat tube condenser 33 can disturb the air flowing state in a staggered mode at opposite positions, and the heat exchange capacity is improved.
In order to balance the heat transfer capacity of different areas of the evaporator, the refrigerant communication holes 34 can fill the refrigerant in other evaporators to the required area.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention, and these modifications are all within the protection scope of the present invention.
Claims (4)
1. An air-cooled heat pipe radiator for electronic components is characterized in that: the heat pipe radiator comprises an electronic component (1) at the bottom, a heat pipe radiator (3) above the electronic component (1), and a fan (5) above the heat pipe radiator (3); the fan (5) is fixed with the electronic component (1) into a whole through the fixed frame (4); the electronic component (1) is used as a heat source, and the upper surface of the electronic component is coated with a layer of heat-conducting silicone grease (2);
the heat pipe radiator (3) comprises a plurality of semicircular evaporators (31), a first micro-channel flat pipe condenser (32) and a second micro-channel flat pipe condenser (33), wherein the semicircular evaporators (31) are aligned and connected in a plurality of rows and columns on the horizontal plane, and the bottom surfaces of the semicircular evaporators are smooth and are in contact with the heat-conducting silicone grease (2); fins (36) are arranged between every two adjacent semicircular evaporators (31) in each row in the transverse direction, the bottom ends of the fins (36) are integrated with the lower wall surfaces of the semicircular evaporators (31), and the upper ends of the fins (36) are respectively connected with the upper wall surfaces of the adjacent semicircular evaporators (31) in a welding manner to form a closed space; meanwhile, the side surface of the rib (36) is provided with a refrigerant connecting through hole (34) for connecting the adjacent semicircular evaporators (31); a plurality of first microchannel flat tube condensers (32) are communicated and arranged on the semicircular evaporators (31) in the longitudinal odd rows, a plurality of second microchannel flat tube condensers (33) are communicated and arranged on the semicircular evaporators (31) in the even rows, and the first microchannel flat tube condensers (32) and the second microchannel flat tube condensers (33) are radially distributed on the semicircular arc surfaces of the semicircular evaporators (31); between two adjacent rows of semicircular evaporators (31), a first micro-channel flat tube condenser (32) and a second micro-channel flat tube condenser (33) are staggered in the longitudinal direction, and refrigerants are arranged in the semicircular evaporators (31).
2. An air-cooled heat pipe radiator for electronic components as claimed in claim 1, wherein: the side wall surface of the semicircular evaporator (31) positioned at the end part is provided with a refrigerant liquid filling hole (35).
3. An air-cooled heat pipe radiator for electronic components as claimed in claim 1, wherein: the microchannel thickness of the microchannel flat tube condenser is 1-2 mm.
4. An air-cooled heat pipe radiator for electronic components as claimed in claim 1, wherein: the refrigerant connecting through hole (34) is arranged in the center of the side surface of the rib (36), and is a concentric round hole with the refrigerant liquid filling hole (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023346853.0U CN214199797U (en) | 2020-12-31 | 2020-12-31 | Air-cooled heat pipe radiator for electronic component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023346853.0U CN214199797U (en) | 2020-12-31 | 2020-12-31 | Air-cooled heat pipe radiator for electronic component |
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| Publication Number | Publication Date |
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| CN214199797U true CN214199797U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023346853.0U Active CN214199797U (en) | 2020-12-31 | 2020-12-31 | Air-cooled heat pipe radiator for electronic component |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595154A (en) * | 2020-12-31 | 2021-04-02 | 西南交通大学 | Air-cooled heat pipe radiator for electronic component and working method |
| CN114967305A (en) * | 2022-06-29 | 2022-08-30 | 歌尔光学科技有限公司 | Flexible heat radiation fin |
-
2020
- 2020-12-31 CN CN202023346853.0U patent/CN214199797U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595154A (en) * | 2020-12-31 | 2021-04-02 | 西南交通大学 | Air-cooled heat pipe radiator for electronic component and working method |
| CN112595154B (en) * | 2020-12-31 | 2024-07-23 | 西南交通大学 | Electronic component air-cooled heat pipe radiator and working method |
| CN114967305A (en) * | 2022-06-29 | 2022-08-30 | 歌尔光学科技有限公司 | Flexible heat radiation fin |
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