CN208635073U - A kind of free convection heat-pipe radiator - Google Patents
A kind of free convection heat-pipe radiator Download PDFInfo
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- CN208635073U CN208635073U CN201821102988.2U CN201821102988U CN208635073U CN 208635073 U CN208635073 U CN 208635073U CN 201821102988 U CN201821102988 U CN 201821102988U CN 208635073 U CN208635073 U CN 208635073U
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- heat
- pipe
- free convection
- fin
- radiator
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides great power LED mould group free convection heat-pipe radiator, improves large scale radiating fin uniform temperature using heat pipe, sink-efficiency is improved, to realize the dissipation of big heat.The temperature uniformity of large scale fin can be improved compared to aluminum profile heat radiator using the heat pipe for thermal conductivity based on phase-change heat-exchange in the free convection heat-pipe radiator of the utility model, and sink-efficiency greatly improves.The free convection heat-pipe radiator adjacent fins spacing of the utility model is not less than 10mm, and each fin thickness is not less than 0.5mm, compared to conventional heat pipe radiator, can satisfy the radiating requirements under outdoor free convection environment.
Description
Technical field
The utility model belongs to LED lamps cooling technical field, and in particular to a kind of free convection heat-pipe radiator is applicable in
In high-power (400W or more) LED module.
Background technique
LED (light emitting diode) is used as forth generation solid electro-optic source, have luminous efficiency is high, the service life is long, colour rendering index is high,
The remarkable advantages such as response quickly, energy conservation and environmental protection, small in size, vibration resistance, easy to maintain.Under electric field action inside LED the area N electronics with
Transition of electronic energy occurs for the area P hole-recombination, issues photon.Not all energy all converts when electronics and hole-recombination
At luminous energy, about 70% energy can be converted to thermal energy, and LED temperature is caused to rise, and temperature is to influence the pass of LED light effect and service life
Key factor.
High power LED projector is commonly used in transport hub, the places such as large-scale stadium, power up to 1000W with
On, calorific value is very big, and if heat radiation structure design is unreasonable, beyond requirement, lamp life and light efficiency will be greatly reduced junction temperature.Mesh
Preceding outdoor LED lamp radiator is generally aluminum profile, and must not use forced air cooling heat dissipation technology.With the increase of LED power
Need to increase radiator effective heat exchange area, but aluminum profile thermal coefficient is lower, when heat dissipation capacity demand reaches 400W or more, aluminium profiles
The efficiency of material radiator can decline to a great extent, and also be difficult to effectively dissipate the heat of LED generation even if at this moment increasing heat dissipation area.
Utility model content
In view of this, the present invention provides great power LED mould group free convection heat-pipe radiators, are mentioned using heat pipe
High large scale radiating fin uniform temperature improves sink-efficiency, to realize the dissipation of big heat.
To achieve the above object, technical solutions of the utility model are as follows:
A kind of free convection heat-pipe radiator of the utility model, including substrate, heat pipe and fin；
Wherein, the substrate side is for connecting to thermal component, and another side is for connecting heat pipe；
The heat pipe number is one or more, vertical with the substrate to connect；
The fin is axially distributed along heat pipe.
Wherein, the fin is vertical with heat pipe connect, and adjacent fins are parallel to each other, and each adjacent fins spacing is identical.
Wherein, adjacent fins spacing is not less than 10mm, and each fin thickness is not less than 0.5mm.
Wherein, the baseplate material is aluminium alloy.
Wherein, the heat resistant material is copper.
Wherein, the fin material is aluminium alloy.
The utility model has the advantages that
The free convection heat-pipe radiator of the utility model uses the heat pipe for thermal conductivity based on phase-change heat-exchange, compared to aluminum profile
Radiator, can be improved the temperature uniformity of large scale fin, and sink-efficiency greatly improves.
The free convection heat-pipe radiator adjacent fins spacing of the utility model is not less than 10mm, and each fin thickness is not
It can satisfy the radiating requirements under outdoor free convection environment compared to conventional heat pipe radiator less than 0.5mm.
Detailed description of the invention
Fig. 1 is the utility model heat-pipe radiator structure schematic diagram；
Fig. 2 is the utility model heat-pipe radiator heat transfer schematic diagram.
Wherein 1- substrate；2- heat pipe；3- fin；4-LED light source.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
The utility model great power LED mould group free convection heat-pipe radiator structure is as shown in Figure 1, include substrate 1, heat
Pipe 2 and fin 3.
Wherein, 1 one side of substrate is for connecting to thermal component, and another side is for connecting heat pipe 2；
2 number of heat pipe is one or more, vertical with the substrate 1 to connect；
The fin 3 is along the axial distribution of heat pipe 2.
Wherein, 1 material of substrate is aluminium alloy, is installed for adopting surface mounted LED mould group, separated LED lamp bead patch electricity
After dress, aluminum base PCB is mounted on radiator base plate 1, the outer mounted lens mould group of PCB.
The heat pipe 2 is copper heat pipe, is coupled using soldering processes with substrate 1, by internal phase-change heat-exchange, quickly by substrate
1 heat transfer is opened, and is realized that 1 heat of substrate is conducted to the Quick uniform of fin 3, is improved 3 uniform temperature of fin, and radiator effect is improved
Rate.The utility model heat-pipe radiator heat transfer schematic diagram is as shown in Figure 2.
The fin 3 is aluminum alloy fin, is main heat exchange surface, is coupled using soldering processes with heat pipe 2, by heat
Dissipation is into air.To meet Natural Heat Convection requirement, the fin 3 is vertical with heat pipe to be connect, and adjacent fins are parallel to each other,
Each adjacent fins spacing is identical.Adjacent fins spacing is not less than 10mm, and each fin thickness is not less than 0.5mm.
In conclusion the above is only the preferred embodiments of the present utility model only, it is not intended to limit the utility model
Protection scope.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all wrap
Containing being within the protection scope of the utility model.
Claims (6)
1. a kind of free convection heat-pipe radiator, which is characterized in that including substrate (1), heat pipe (2) and fin (3)；
Wherein, the substrate (1) is on one side for connecting to thermal component, and another side is for connecting heat pipe (2)；
Heat pipe (2) number is one or more, vertical with the substrate (1) to connect；
The fin (3) is axially distributed along heat pipe (2).
2. a kind of free convection heat-pipe radiator as described in claim 1, which is characterized in that the fin (3) and heat pipe hang down
Direct-connected to connect, adjacent fins are parallel to each other, and each adjacent fins spacing is identical.
3. a kind of free convection heat-pipe radiator as described in claim 1, which is characterized in that adjacent fins spacing is not less than
10mm, each fin thickness are not less than 0.5mm.
4. a kind of free convection heat-pipe radiator as described in claim 1, which is characterized in that substrate (1) material is aluminium
Alloy.
5. a kind of free convection heat-pipe radiator as described in claim 1, which is characterized in that heat pipe (2) material is copper.
6. a kind of free convection heat-pipe radiator as described in claim 1, which is characterized in that fin (3) material is aluminium
Alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102988.2U CN208635073U (en) | 2018-07-12 | 2018-07-12 | A kind of free convection heat-pipe radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821102988.2U CN208635073U (en) | 2018-07-12 | 2018-07-12 | A kind of free convection heat-pipe radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208635073U true CN208635073U (en) | 2019-03-22 |
Family
ID=65735305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821102988.2U Active CN208635073U (en) | 2018-07-12 | 2018-07-12 | A kind of free convection heat-pipe radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208635073U (en) |
-
2018
- 2018-07-12 CN CN201821102988.2U patent/CN208635073U/en active Active
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