CN208384511U - A kind of CPU fin-super heat-conductive pipe integral heat dissipation device - Google Patents
A kind of CPU fin-super heat-conductive pipe integral heat dissipation device Download PDFInfo
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- CN208384511U CN208384511U CN201821012024.9U CN201821012024U CN208384511U CN 208384511 U CN208384511 U CN 208384511U CN 201821012024 U CN201821012024 U CN 201821012024U CN 208384511 U CN208384511 U CN 208384511U
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- fin
- heat
- cpu
- conductive pipe
- super heat
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Abstract
A kind of CPU is related to CPU technical field of heat dissipation with fin-super heat-conductive pipe integral heat dissipation device, complicated to solve CPU radiating fin manufacturing process, expensive, and the problem that heat pipe is low with fin heat transfer efficiency.The device is made of U-shaped super heat-conductive pipe and the straight rectangular fin of array.Array is straight, and rectangular fin is manufactured with super heat-conductive pipe to be integrated.Array is straight, and rectangular fin is located at U-shaped super heat-conductive pipe condensation segment two sides and evaporator section upper surface, and fin is equidistant, equal thickness is evenly arranged, and all fin heights are equal.To reduce air thermal resistance, it is horizontal polished surface that evaporator section lower surface, which is bonded position with CPU,.Super heat-conductive pipe has the characteristics that plane easy to attach, flexible, uniform temperature is good, can be used as good heat conductive material to strengthen the diabatic process from CPU to ambient enviroment.Fin-super heat-conductive pipe, which is integrated, can further decrease heat transfer resistance, and then improve heat transfer efficiency.Radiator generally aluminium, is simple to manufacture, reduces cost and weight.
Description
Technical field
The utility model relates to CPU technical field of heat dissipation more particularly to server high heat flux density CPU heat dissipation technology to lead
Domain.
Background technique
The form of the CPU radiator largely used in current all kinds of servers is to be inserted into heat pipe in plain fin.Its is excellent
Point is since heat pipe has good uniform temperature, and heat pipe section is directly contacted with CPU, can more efficiently be exported CPU heat production
To fin and environment, the diffusion thermal resistance of radiator bottom plate is reduced.But in order to be contacted with CPU, round copper heat pipe is squeezed into
In flat and inserted radiator, technique and cost are increased.It protrudes into exist between heat pipe section and fin in fin simultaneously and connect
Thermal resistance is touched, and heat pipe and fin contacts area are smaller, the fin of other parts relies on conduction heat transfer, and fin efficiency is lower.Pass through
Fan forced convection by machine box for server CPU and other elements heat production heat take out of, be still most operability at present
Thermal control strategy.But when heat dissipation capacity is continuously increased, fan revolution increases, and noise improves.It is further with cpu power density
It improves, is badly in need of a kind of more efficient heat transfer of application, is readily produced, cheap CPU radiator.
Summary of the invention
It is complicated in order to solve CPU radiating fin manufacturing process, it is expensive, and the problem that heat pipe is low with fin heat transfer efficiency,
The utility model provides a kind of CPU fin-super heat-conductive pipe integral heat dissipation device.Specific technical solution is as follows:
A kind of CPU radiator, including U-shaped super heat-conductive pipe (1), array is straight rectangular fin (2).It is characterized by:
Array is straight, and rectangular fin is manufactured with super heat-conductive pipe to be integrated.Array is straight, and rectangular fin (2) is located at U-shaped super heat-conductive pipe
(1) condensation segment (3) two sides and evaporator section (4) upper surface, fin is equidistant, equal thickness is evenly arranged, and all fin heights are equal.
To reduce air thermal resistance, it is horizontal polished surface that evaporator section (4) lower surface, which is bonded position with CPU,.
Compared with prior art, the utility model has the beneficial effects that using super heat-conductive pipe technology, platen surface is easy to
It is bonded with cpu chip, reduces process costs;It is pliable at different shapes, can be made into the U-shaped inner space to save cabinet;And
It strengthens the diabatic process from CPU to ambient enviroment as good heat conductive material;Application continuum array fin eliminates fin
Thermal contact resistance between super heat-conductive pipe, while making fin equalizing temperature, fin efficiency improves;Radiator material is generally
Aluminium mitigates weight while reducing cost.And this CPU radiator can be according to server internal space and CPU heat radiation power
Carry out the increase of modularization quantity.
Detailed description of the invention
Fig. 1 is the main view of the utility model.
In figure: 1-U type super heat-conductive pipe;2- array is straight rectangular fin;3-U type super heat-conductive pipe condensation segment;4-U type superconduction
Heat pipe evaporator section.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing:
The utility model provides a kind of technical solution: a kind of CPU fin-super heat-conductive pipe integral heat dissipation device, including U
Type super heat-conductive pipe (1), array is straight rectangular fin (2).As shown in Fig. 1, the straight rectangular fin of array (2) is located at U-shaped
The equidistant gap of super heat-conductive pipe (1) condensation segment (3) two sides and evaporator section (4) upper surface, every group of fin is air flow channel, for sky
Gas, which flows through, takes away the heat on fin.U-shaped heat pipe two sides are full symmetric, and all fin heights are equal.Condensation as shown in Fig. 2
Evaporator section (4) upper surface fin (2) shown in section (3) two sides fin (2) and attached drawing 3, to increase heat convection area, array fin
Equidistantly uniformly it is abound with.To reduce air thermal resistance, it is horizontal polished surface that evaporator section (4) lower surface, which is bonded position with CPU,.Heat dissipation
It should be that direction windward is mounted on above CPU according to attached main view direction shown in FIG. 1, between radiator and CPU when device works
Heat-conducting silicone grease should be smeared to reduce thermal contact resistance.
Based on the invention, the transmittance process of core cpu heat production in server are as follows: successively pass to CPU encapsulation by thermally conductive
Silicone grease, super heat-conductive pipe aluminium outer wall outer surface, the super heat-conductive pipe aluminium outer wall inner surface smeared between lid, CPU and cooling fin are rear logical
It crosses surface convection current and passes to internal liquid medium by heat pipe evaporator section inner wall, be evaporated to after liquid medium is heated in evaporator section
Gas, gas reach condensation segment after by convective heat transfer transfer heat to heat pipe condenser section inner wall condense, condensation segment inner wall
Heat is transferred to heat pipe aluminium outer wall wing base, fin end portion by thermally conductive, and the heat for reaching fin is passed heat by forced convertion
Surrounding air is passed, is taken away heat by fan.Each link thermal resistance includes: silicone grease layer thermal resistance, from silicone grease layer upper surface to heat pipe
The heat pipe aluminium outer wall thermal resistance of inner wall, inside heat pipe thermal resistance, from heat pipe inner wall to wing base heat pipe aluminium outer wall thermal resistance, from fin to air
Thermal-convection resistance.When the utility model is used, the excellent heat conductivity performance that super heat-conductive pipe has, so that the thermal conduction resistance in heat pipe
It can ignore substantially, while heat pipe aluminium outer wall and aluminum fin-stock are integrated, and are reduced by aluminium outer wall to this part between fin
Thermal resistance, and then improve heat transfer efficiency.
Claims (4)
1. a kind of CPU fin-super heat-conductive pipe integral heat dissipation device, including U-shaped super heat-conductive pipe (1), it is characterised in that: array
Formula is straight, and rectangular fin (2) is located at U-shaped super heat-conductive pipe (1) condensation segment (3) two sides and evaporator section (4) upper surface.
2. a kind of CPU according to claim 1 fin-super heat-conductive pipe integral heat dissipation device, it is characterised in that: fin
It is equally spaced, all fin heights are equal, and thickness is equal.
3. a kind of CPU according to claim 1 fin-super heat-conductive pipe integral heat dissipation device, it is characterised in that: for drop
Low latitude gas thermal resistance, it is horizontal polished surface that evaporator section (4) lower surface, which is bonded position with CPU,.
4. a kind of CPU according to claim 1 fin-super heat-conductive pipe integral heat dissipation device, it is characterised in that: heat dissipation
Device material is aluminium.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821012024.9U CN208384511U (en) | 2018-06-28 | 2018-06-28 | A kind of CPU fin-super heat-conductive pipe integral heat dissipation device |
Applications Claiming Priority (1)
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CN201821012024.9U CN208384511U (en) | 2018-06-28 | 2018-06-28 | A kind of CPU fin-super heat-conductive pipe integral heat dissipation device |
Publications (1)
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CN208384511U true CN208384511U (en) | 2019-01-15 |
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CN201821012024.9U Expired - Fee Related CN208384511U (en) | 2018-06-28 | 2018-06-28 | A kind of CPU fin-super heat-conductive pipe integral heat dissipation device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108614627A (en) * | 2018-06-28 | 2018-10-02 | 北京工业大学 | A kind of CPU fin-super heat-conductive pipe integral heat dissipation devices |
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2018
- 2018-06-28 CN CN201821012024.9U patent/CN208384511U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108614627A (en) * | 2018-06-28 | 2018-10-02 | 北京工业大学 | A kind of CPU fin-super heat-conductive pipe integral heat dissipation devices |
CN108614627B (en) * | 2018-06-28 | 2024-05-28 | 北京工业大学 | Fin-superconducting heat pipe integrated heat radiator for CPU |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20210628 |
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CF01 | Termination of patent right due to non-payment of annual fee |