CN207399742U - One kind contacts directly communicate-type heat-pipe radiator - Google Patents
One kind contacts directly communicate-type heat-pipe radiator Download PDFInfo
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- CN207399742U CN207399742U CN201721477586.6U CN201721477586U CN207399742U CN 207399742 U CN207399742 U CN 207399742U CN 201721477586 U CN201721477586 U CN 201721477586U CN 207399742 U CN207399742 U CN 207399742U
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Abstract
The utility model is related to one kind to contact directly communicate-type heat-pipe radiator, and including main pipe, sub- pipe, substrate, fin, wind cavity shell, substrate is equipped with the groove to match with main pipe；Substrate is welded with main pipe, and the main pipe side wall is planar structure, and substrate surface is in same plane with main pipe side wall, and several heating devices are mounted on the plane；Main pipe is connected composition composite heat pipe with several sub- pipes, and sub- pipe one end is enclosed construction, and the other end is connected with main pipe；The son pipe is obliquely installed with substrate, and fin is fixedly connected with sub- pipe, and fin is set with substrate-parallel, and wind cavity shell is arranged on the outside of fin.Advantage is：To greatest extent play heat pipe heat transfer property, greatly improve radiating efficiency, can improve it is air-cooled under the conditions of equipment power grade.
Description
Technical field
The utility model belongs to hot pipe technique field more particularly to a kind of direct suitable for device for high-power power electronic
Contact communicate-type heat-pipe radiator.
Background technology
Heat-pipe radiator applied to power electronic devices heat dissipation at present, generally using metal substrate, such as copper or aluminium material
Material is coupled as substrate, on one side mounting surface of the finishing as power device, another side with heat pipe using scolding tin.Heat pipe is worked
Journey is that high heat conductivility is realized using the Transformation Principle of internal working medium；Heat pipe is a kind of hermetically sealed vacuum tube, internal
Filled with liquid refrigerant, heat pipe fever end wall has liquid-sucking core capillary-porous material.The liquid refrigerant of heat pipe evaporation ends (fever end)
By capillarity absorption in liquid-sucking core, the liquid evaporation vaporization when one end of heat pipe is heated in liquid-sucking core, steam is micro-
Other end releasing heat is flowed under small pressure difference and condenses into liquid, liquid flows back to evaporation along heat pipe side wall by gravity again
Section.So cycle not oneself, heat reaches another-end by one end of heat pipe.
The technology has the disadvantage that the heat that power device is sent out is transmitted to metal substrate first, and metal substrate is again
It is transmitted to heat pipe, centre also has scolding tin, and metal substrate, the thermal resistance of soldering-tin layer this section can not eliminate, it is impossible to send out to greatest extent
Wave the heat transfer property of heat pipe.
The content of the invention
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide one kind and contacts directly communicate-type heat pipe heat radiation
Device plays the heat transfer property of heat pipe to greatest extent, improves radiating efficiency.
To achieve the above object, the utility model is achieved through the following technical solutions：
One kind contacts directly communicate-type heat-pipe radiator, and including main pipe, sub- pipe, substrate, fin, wind cavity shell, substrate is set
There is the groove to match with main pipe；Substrate and main pipe are welded, and the main pipe side wall is planar structure, and substrate surface and main pipe
Side wall is in same plane, and several heating devices are mounted on the plane；Main pipe is connected composition composite heat pipe, sub- pipe with several sub- pipes
One end is enclosed construction, and the other end is connected with main pipe；The son pipe is obliquely installed with substrate, and fin is fixed with sub- pipe to be connected
It connects, fin is set with substrate-parallel, and wind cavity shell is arranged on the outside of fin.
The main pipe is copper pipe, and main pipe cross section is the geometric form that one side is straight line.
The main pipe rectangular cross-section, semicircle, trapezoidal or parallelogram.
The main pipe end is equipped with liquid injection pipe.
The substrate is connected with several composite heat pipes.
The section of the wind cavity shell is parallelogram.
Compared with prior art, the beneficial effects of the utility model are：
Contacting directly communicate-type heat-pipe radiator, to can be widely applied to wind speed relatively low (such as：More device parallel air ducts), power
The larger high-power air-cooled occasion of device heating.The radiator contacts directly heating device using heat pipe, plays to greatest extent
The heat transfer property of heat pipe, greatly improves radiating efficiency, can improve it is air-cooled under the conditions of equipment power grade：
1, heating device is contacted directly with composite heat pipe, eliminates solid substrate thermal resistance, and temperature lifting can be made 7~10 DEG C low；
2, more than two heating devices are installed on same radiator, are waited temperature effects because of main pipe, can be made all heaters
Part keeps temperature consistent；
3, wind cavity shell uses parallelogram sturcutre, and air passage is made to ensure maximum ventilation efficiency close to fin.
Description of the drawings
Fig. 1 is the front view of composite heat pipe.
Fig. 2 is the side view of composite heat pipe.
Fig. 3 is the stereogram of composite heat pipe.
Fig. 4 is the stereogram of the utility model.
Fig. 5 is the internal structure schematic diagram of the utility model.
Fig. 6 is the front view of wind cavity shell.
Fig. 7 is the side view of wind cavity shell.
Fig. 8 is the stereogram of wind cavity shell.
Fig. 9 is the structure diagram of substrate.
In figure：1- main pipe 2- pipe 3- liquid injection pipe 4- substrate 5- groove 6- fin 7- heating device 8- wind chamber shells
Body.
Specific embodiment
The utility model is described in detail with reference to Figure of description, it should be noted that the utility model
Implementation is not limited to following embodiment.
See Fig. 1-Fig. 9, one kind contacts directly communicate-type heat-pipe radiator, including main pipe 1, sub- pipe 2, substrate 4, fin 6, wind
Cavity shell 8, main pipe 1 are connected composition composite heat pipe with several sub- pipes 2, and sub- 2 one end of pipe is enclosed construction, the other end and 1 phase of main pipe
Connection；Substrate 4 is equipped with the groove 5 to match with main pipe 1, sees Fig. 9；Substrate 4 is welded with main pipe 1, and 4 surface of substrate and main pipe 1
Surface is in same plane, and heating device 7 is mounted on the plane；The sub- pipe 2 is obliquely installed with substrate 4, and fin 6 is managed with son
2 are fixedly connected, and fin 6 is arranged in parallel with substrate 4, and wind cavity shell 8 is arranged on the outside of fin 6.
Wherein, main pipe 1 is semicircle, trapezoidal, parallelogram etc. while being for the section of square copper pipe or main pipe 1
The geometric form of straight line；1 end of main pipe is equipped with liquid injection pipe 3, sees Fig. 1-Fig. 3.Substrate 4 is connected with several composite heat pipes, sees Fig. 4, figure
5.See Fig. 6-Fig. 8, the section of wind cavity shell 8 is parallelogram, 8 inclined angle of wind cavity shell and sub- 2 angle of inclination phase of pipe
Corresponding, the air passage formed in wind cavity shell 8 can ensure maximum ventilation efficiency.8 both ends of wind cavity shell are correspondingly arranged ventilating blind,
See Fig. 4.
See Fig. 1-Fig. 9, main pipe 1 is made with a square copper pipe, and a liquid injection pipe 3 is welded in end, sub- pipe 2 is by an end seal
The copper pipe that closes makes, and by opening several circular holes by sub- 2 outer diameter of pipe on outer wall, several sub- pipes 2 are inserted into circular holes square,
Main pipe 1 is made to be interconnected with sub- pipe 2, then is welded together with high-frequency induction welder, then square copper pipe both sides are shut with copper sheet, is formed
Composite heat pipe；Composite heat pipe generates vacuum by 3 fluid injection of liquid injection pipe；Horizontal recessing 5,5 depth of groove and square copper pipe on substrate 4
Diameter is corresponding, 5 bottom opening of groove, in order to which sub- pipe 2 is interspersed, 4 nickel plating of substrate；Aluminum substrate 4 and composite heat pipe soldering, make base
4 heating surface of plate is in same plane with 1 surface of main pipe；Go here and there fin 6 again, it is straight with heating device 7 to reach heat pipe for finish-milling heat pipe plane
The purpose of contact in 4 another side of substrate fluting road, is become with eliminating the thermal stress because of caused by copper aluminothermy coefficient of expansion difference
Shape, finally, installation wind cavity shell 8；Communicate-type heat-pipe radiator is contacted directly to complete.
Contact directly the application method of communicate-type heat-pipe radiator, heating device 7 is mounted on substrate 4, heating device 7 with
Main pipe 1 contacts directly, 7 adstante febre of heating device, adsorbs the liquid refrigerant on the liquid-sucking core of 1 side wall of main pipe and is heated vaporization, leads to
It crosses small pressure difference and flows to sub- pipe 2, conduct heat to sub- pipe 2, sub- pipe 2 condenses steam through 6 air blast cooling of radiating fin, condensation
Liquid flows back to main pipe 1 through sub- 2 side wall of pipe by gravity afterwards, realizes that the quick of heat is transferred with distributing；Simultaneously because main pipe 1 is inhaled
The capillarity of wick-containing makes heat realize 7 equalized temperature of more than two heating devices by liquid refrigerant lateral transport；Make hair
7 temperature of thermal device reduces >=10 DEG C, its isothermal is improved in the temperature difference≤1 DEG C of more than two heating devices 7.
The utility model can be device for high-power power electronic, such as：The wind-cooling heat dissipatings such as IGBT, IGCT, IEGT, SCR, application
In high power electronic equipment, applied to the air-cooled occasion of wind speed relatively low (such as more device parallel air ducts), advantage is：
1, heating device 7 is contacted directly with heat pipe, eliminates solid substrate 4 (copper or aluminium) thermal resistance, recycles heat pipe phase transformation
Principle high rate heat transport performance can make temperature lifting 7~10 DEG C low, improve radiating efficiency；
2, two or more IGBT etc. device for high-power power electronic are installed on same radiator, because of the isothermal of main pipe 1
Effect can make more than two devices keep temperature consistent；Therefore such as high-power SVG, high voltage converter electric power electricity be can be applied to
Sub-device；Under equal conditions, low 5~10 DEG C or more are lifted than conventional heat pipe radiator temperature；
3, using the wind cavity shell 8 that section is parallelogram, form the air passage close to radiating fin 6, it is ensured that maximum
Drafting efficiency.
Claims (6)
1. one kind contacts directly communicate-type heat-pipe radiator, which is characterized in that including main pipe, sub- pipe, substrate, fin, wind chamber shell
Body, substrate are equipped with the groove to match with main pipe；Substrate and main pipe are welded, and the main pipe side wall is planar structure, and substrate
Surface is in same plane with main pipe side wall, and several heating devices are mounted on the plane；It is multiple that main pipe is connected composition with several sub- pipes
Heat pipe is closed, sub- pipe one end is enclosed construction, and the other end is connected with main pipe；Described son pipe is obliquely installed with substrate, fin and
Sub- pipe is fixedly connected, and fin is set with substrate-parallel, and wind cavity shell is arranged on the outside of fin.
2. one kind according to claim 1 contacts directly communicate-type heat-pipe radiator, which is characterized in that the main pipe is
Copper pipe, main pipe cross section are the geometric form that one side is straight line.
3. one kind according to claim 2 contacts directly communicate-type heat-pipe radiator, which is characterized in that the main pipe is cut
Face is rectangle, semicircle, trapezoidal or parallelogram.
4. one kind according to claim 1 contacts directly communicate-type heat-pipe radiator, which is characterized in that the main pipe end
Portion is equipped with liquid injection pipe.
5. one kind according to claim 1 contacts directly communicate-type heat-pipe radiator, which is characterized in that the substrate with
Several composite heat pipe connections.
6. one kind according to claim 1 contacts directly communicate-type heat-pipe radiator, which is characterized in that the wind chamber shell
The section of body is parallelogram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721477586.6U CN207399742U (en) | 2017-11-08 | 2017-11-08 | One kind contacts directly communicate-type heat-pipe radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721477586.6U CN207399742U (en) | 2017-11-08 | 2017-11-08 | One kind contacts directly communicate-type heat-pipe radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207399742U true CN207399742U (en) | 2018-05-22 |
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ID=62325618
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721477586.6U Active CN207399742U (en) | 2017-11-08 | 2017-11-08 | One kind contacts directly communicate-type heat-pipe radiator |
Country Status (1)
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| CN (1) | CN207399742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734934A (en) * | 2017-11-08 | 2018-02-23 | 鞍山市久益电子有限公司 | It is a kind of directly to contact communicate-type heat-pipe radiator and application method |
-
2017
- 2017-11-08 CN CN201721477586.6U patent/CN207399742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107734934A (en) * | 2017-11-08 | 2018-02-23 | 鞍山市久益电子有限公司 | It is a kind of directly to contact communicate-type heat-pipe radiator and application method |
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