CN207778324U - LED car lamp high efficiency and heat radiation module - Google Patents
LED car lamp high efficiency and heat radiation module Download PDFInfo
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- CN207778324U CN207778324U CN201820202153.8U CN201820202153U CN207778324U CN 207778324 U CN207778324 U CN 207778324U CN 201820202153 U CN201820202153 U CN 201820202153U CN 207778324 U CN207778324 U CN 207778324U
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Abstract
The utility model discloses a kind of LED car lamp high efficiency and heat radiation modules, including supporting rack, car light substrate and radiator structure, the radiator structure includes heat-radiating substrate, heat pipe and fin structure, the heat pipe is fixed between the heat-radiating substrate and the fin structure, the heat-radiating substrate is fixed on the top of support frame as described above, and the car light substrate is fixed on the lower section of the heat-radiating substrate；The upper surface of the heat pipe is connected to the fin structure, and the lower surface of the heat pipe is connected to the heat-radiating substrate；If the fin structure include dry plate equidistantly distributed and fin perpendicular to heat-radiating substrate, the side of each fin be all evenly distributed with several row convex closures, convex closure is in cross-distribution described in adjacent rows；The side of the relatively described car light substrate of the heat-radiating substrate is coated with one layer of heat-conducting layer.The utility model can simplify radiator structure, mitigate overall weight, reinforce heat dissipation effect.
Description
Technical field
The utility model belongs to car light technical field of heat dissipation, more particularly to a kind of car light heat radiation module.
Background technology
The heat dissipation of LED car lamp is critically important, and heat dissipation is bad to cause optical attenuation even to burn.It is got over the application of LED car lamp
Come more extensive, cooling requirements of the LED car lamp in limited installation space are also increasingly improved.Chinese patent CN 106678685
A discloses " a kind of cooling mechanism of LED automobile lamps and lanterns ", and radiating bottom plate is provided on LED light source, is coated on radiating bottom plate scattered
Hot silica gel is provided with rear cover on thermal grease, is radiated to lamps and lanterns by thermal grease and rear cover, prevent great power LED because
Using the excessive caused luminous intensity of electric current is low equal harmful effects are damaged with electronic component.But after silica gel long-time use
It is easy to aging, influence the radiating efficiency of the cooling mechanism.
In addition, traditional car light radiator is integrally formed for die casting, although doing shape-designing side in limited installation space
Face is limited smaller, but due to being passively to radiate in car light, and die casting is relatively low using material ADC thermal coefficients, can only pass through increase
Heat dissipation area improves radiating efficiency.And increasing heat radiation area just needs to mold on die casting in limited installation space
Dentalation will certainly cause the increase of volume and weight, eventually lead to traditional car light heat spreader structures complexity, volume and weight
Big and heat dissipation effect is general.
Thus, the structure for improving traditional car light radiator, is allowed to volume and weight to reduce and improve radiating efficiency to be companion
The inexorable trend developed with LED car lamp.
Utility model content
The utility model can simplify scattered mainly solving the technical problems that provide a kind of LED car lamp high efficiency and heat radiation module
Heat structure mitigates overall weight, reinforces heat dissipation effect.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of car light heat radiation module, packet
Supporting rack, car light substrate and radiator structure are included, the radiator structure includes heat-radiating substrate, heat pipe and fin structure, the heat pipe
It is fixed between the heat-radiating substrate and the fin structure, the heat-radiating substrate is fixed on the top of support frame as described above, described
Car light substrate is fixed on the lower section of the heat-radiating substrate；
The upper surface of the heat pipe is connected to the fin structure, and the lower surface of the heat pipe connects with the heat-radiating substrate
It is logical；
If the fin structure include dry plate equidistantly distributed and fin perpendicular to heat-radiating substrate, each fin
Side be all evenly distributed with several row convex closures, convex closure described in adjacent rows is in cross-distribution, the peak of each convex closure
The distance between minimum point is 1-1.5mm, and the basal diameter of convex closure is 4.5-5.5mm, often between the capable adjacent convex closure
Away from for 4-6mm；
The side of the relatively described car light substrate of the heat-radiating substrate is coated with one layer of heat-conducting layer, and the thickness of the heat-conducting layer is
0.2mm。
It further says, the heat pipe includes that Qu Hesuo is flattened in the first flattening area, the second flattening area and connection described first
The flex area in the second flattening area is stated, one end that the flex area flattens area close to first is flattened higher than the flex area close to second
The one end in area.
It further says, the fin structure includes the first fins group and the second fins group, under first fins group
Surface is recessed upwards forms the first groove, and the first flattening area and the inner surface of first groove fit；Described second
The lower surface of fins group is recessed upwards forms the second groove, and the second flattening area and the inner surface of second groove are affixed
It closes.
It further says, the heat-conducting layer is 7762 heat conduction layer of paste.
It further says, the heat pipe is sintered pipes.
It further says, the side of the fin of first fins group is evenly distributed with two row convex closures, second fin
The side of the fin of group is evenly distributed with three row convex closures.
It further says, the spacing between the adjacent fin is 4.5-5mm.
It further says, it is " L " type heat pipe that the heat pipe, which is overlooked,.
It further says, the heat-radiating substrate is metallic stamping pieces, metal extrusion or die cast metal part.
It further says, the convex closure is cylinder or hemisphere.
It further says, the surface of each fin is all equipped with the baking vanish layer that a layer thickness is 4-6 μm, can improve heat
Radiation.
It further says, soldering side is used after being fixed using tin cream on the faying face of heat-radiating substrate, heat pipe and fin structure
Formula connects, or is connected by brazing mode.
It further says, heat pipe can also be annular heat pipe, C-shaped heat pipe or N shape heat pipes.
It further says, support frame as described above is ADC supporting racks, plastics PBT supporting racks or alloy supporting rack.Alloy supporting rack
It is preferred that copper aluminum-based metal supporting rack.
The beneficial effects of the utility model at least have the following：
1, LED car lamp high efficiency and heat radiation module provided by the utility model, the LED car lamp high efficiency and heat radiation module of this structure lead to
It crosses and detaches supporting rack with radiator structure so that supporting rack no longer has the function of heat dissipation, can effectively avoid support frame structure
The problem of needing to increase heat dissipation area caused by material ADC thermal coefficient itself is relatively low, the supporting rack master of the utility model
Play the role of support construction, positioning shape；In addition, car light substrate is arranged in the lower section of the heat-radiating substrate of radiator structure, make
Radiator structure is obtained effectively to contact with car light substrate, so that it is guaranteed that the heat of LED car lamp is efficiently transfer to radiator structure in time, and
It radiates via radiator structure, to realize the reduction of radiator structure area and quality, improves the radiating efficiency of heat radiation module；
2, LED car lamp high efficiency and heat radiation module provided by the utility model, if fin structure includes dry plate equidistantly distributed
And perpendicular to the fin of heat-radiating substrate, the side of each fin is all evenly distributed with several row convex closures, which can increase fin
The heat dissipation area on piece surface；In addition, adjacent rows convex closure is in cross-distribution, which can generate sinuous flow inside fin, increase
The heat dissipation effect of strong fin；
3, LED car lamp high efficiency and heat radiation module provided by the utility model, between the car light substrate and the heat-radiating substrate
It is additionally provided with heat-conducting layer, the heat-conducting layer is 7762 heat conduction layer of paste, and the LED car lamp high efficiency and heat radiation module of this structure can be into one
Step improves heat conduction efficiency between car light substrate and heat-radiating substrate, to realize better heat dissipation effect；
4, LED car lamp high efficiency and heat radiation module provided by the utility model, the heat pipe and the heat source on the car light substrate
Contact, heat pipe have first to flatten area and the second flattening area, and the first fins group and the second fins group are respectively equipped with and described first
The groove that area and second flattening area match is flattened, the LED car lamp high efficiency and heat radiation module of this structure passes through the sintering of heat pipe
Structure completes convection current, to realize effect that heat quickly conducts；By the first groove and the second groove realize heat pipe respectively with
Coming into full contact with for area is flattened in first flattening area and second, puies forward highly thermally conductive efficiency；And first, which flattens area and second, flattens area
The contact area that heat pipe and heat-radiating substrate can be increased can reduce thermal resistance compared to linear contact, improve heat transfer efficiency；
5, LED car lamp high efficiency and heat radiation module provided by the utility model, heat pipe can also be cyclic annular heat pipe, C-shaped heat pipe or N
Shape heat pipe concatenates with fin structure and keeps coming into full contact with, the LED car lamp high efficiency and heat radiation module of this structure can increase heat pipe with
The contact area of fin structure improves the efficiency of heat conduction；
6, LED car lamp high efficiency and heat radiation module provided by the utility model makes on the faying face of heat-radiating substrate, heat pipe and fin
It is connected using soldering mode after being fixed with tin cream, the LED car lamp high efficiency and heat radiation module of this structure, heat dissipation knot can be further increased
Heat conduction efficiency inside structure, realizes better heat dissipation effect；
7, LED car lamp high efficiency and heat radiation module provided by the utility model, heat-radiating substrate are metallic stamping pieces, metal extrusion
Or die cast metal part, it can realize industrialized mass production, reduce production cost.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of the fin of the utility model；
Fig. 4 is the structural schematic diagram of first fin of the utility model and the lower surface of the second fin；
Fig. 5 is the heat pipe vertical view of the utility model；
Each section label is as follows in attached drawing：
Supporting rack 1, radiator structure 2, heat-radiating substrate 21, heat pipe 22, first flatten area 221, second and flatten area 222, bending
Area 223, fin 3, convex closure 31, the first fins group 4, the first groove 41, the second fins group 5, the second groove 51, convex closure peak
The basal diameter D of the distance between minimum point H, convex closure.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
Embodiment：A kind of LED car lamp high efficiency and heat radiation module, as Figure 1-Figure 5, including supporting rack 1, car light substrate (figure
Do not illustrate) and radiator structure 2, the radiator structure 2 includes heat-radiating substrate 21, heat pipe 22 and fin structure, and the heat pipe 22 is solid
Due between the heat-radiating substrate 21 and the fin structure, the heat-radiating substrate 21 is fixed on the top of support frame as described above 1, institute
State the lower section that car light substrate is fixed on the heat-radiating substrate 21；
The upper surface of the heat pipe 22 is connected to the fin structure, the lower surface of the heat pipe 22 and the heat-radiating substrate
Connection；
If the fin structure include dry plate equidistantly distributed and fin 3 perpendicular to heat-radiating substrate, each fin
The side of piece 3 is all evenly distributed with several row convex closures 31, and convex closure 31 is in cross-distribution, each convex closure 31 described in adjacent rows
The distance between highs and lows H be 1-1.5mm, and the basal diameter D of convex closure is 4.5-5.5mm, often goes adjacent institute
The spacing for stating convex closure is 4-6mm；
The side of the relatively described car light substrate of the heat-radiating substrate 21 is coated with one layer of heat-conducting layer, the thickness of the heat-conducting layer
For 0.2mm.
The heat pipe 22 includes first flattening that area 222 is flattened in area 221, second and area and described the are flattened in connection described first
Two flatten the flex area 223 in area, and one end that the flex area flattens area close to first is flattened higher than the flex area close to second
The one end in area.
The fin structure includes the first fins group 4 and the second fins group 5, and the following table of first fins group 4 faces upward
Recess forms the first groove 41, and the first flattening area 221 and the inner surface of first groove 41 fit；Second fin
The lower surface of piece group 5 is recessed upwards forms the second groove 51, and described second flattens the inner surface in area 222 and second groove 51
It fits.
The heat-conducting layer is 7762 heat conduction layer of paste.
The heat pipe 22 is sintered pipes.
The side of the fin of first fins group 4 is evenly distributed with two row convex closures, the fin of second fins group 5
Side is evenly distributed with three row convex closures.
Spacing between the adjacent fin is 4.5-5mm.
It is " L " type heat pipe that the heat pipe, which is overlooked,.
The heat-radiating substrate 21 is metallic stamping pieces, metal extrusion or die cast metal part.
The convex closure 31 is cylinder or hemisphere.
The surface of each fin is all equipped with the baking vanish layer that a layer thickness is 4-6 μm, can improve heat radiation.
It is connected using soldering mode after being fixed using tin cream on heat-radiating substrate, heat pipe and the faying face of fin structure, or
It is connected by brazing mode.
Heat pipe can also be annular heat pipe, C-shaped heat pipe or N shape heat pipes.
Support frame as described above 1 is ADC supporting racks, plastics PBT supporting racks or alloy supporting rack.Alloy supporting rack preferred copper aluminium system
Metal supporting frames.
The operation principle of the utility model is as follows：The heat of LED car lamp heat source is first conducted to being in direct contact with heat source
On heat pipe so that the liquid rapid vaporization of heat pipe one end evaporates, and steam flows to other end under the power of thermal diffusion, and condenses
Release heat；Crush zone and heat-conducting layer of the heat at this time through superheater tube are conducted to heat-radiating substrate, on heat-radiating substrate
Heat is conducted by tin cream to fin again to be distributed.At the same time, the liquid in heat pipe flows back to evaporation ends along capillary structure again,
So that the heat of LED car lamp heat source is endlessly conducted and is distributed, to effectively reduce LED car lamp institute at work
The heat of generation achievees the effect that protect LED car lamp.Since such heat exchange pattern efficiency is higher, meeting LED car lamp protection
Requirement under, the heat dissipation area and quality of heat radiation module can be effectively reduced.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure transformation made based on the specification and figures of the utility model, it is relevant to be applied directly or indirectly in other
Technical field is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of LED car lamp high efficiency and heat radiation module, it is characterised in that：Including supporting rack (1), car light substrate and radiator structure (2),
The radiator structure includes heat-radiating substrate (21), heat pipe (22) and fin structure, the heat pipe be fixed on the heat-radiating substrate and
Between the fin structure, the heat-radiating substrate is fixed on the top of support frame as described above, and the car light substrate is fixed on described dissipate
The lower section of hot substrate；
The upper surface of the heat pipe is connected to the fin structure, and the lower surface of the heat pipe is connected to the heat-radiating substrate；
If the fin structure include dry plate equidistantly distributed and fin (3) perpendicular to heat-radiating substrate, each fin
Side be all evenly distributed with several row convex closures (31), convex closure described in adjacent rows is in cross-distribution, and each convex closure is most
The distance between high point and minimum point (H) are 1-1.5mm, and the basal diameter (D) of convex closure is 4.5-5.5mm, often capable adjacent institute
The spacing for stating convex closure is 4-6mm；
The side of the relatively described car light substrate of the heat-radiating substrate is coated with one layer of heat-conducting layer, and the thickness of the heat-conducting layer is
0.2mm。
2. LED car lamp high efficiency and heat radiation module according to claim 1, it is characterised in that：The heat pipe includes the first flattening
Area (221), second flatten area (222) and the connection first flattening area and described second and flatten the flex area (223) in area, described
The one end in area is flattened higher than one end that area is flattened in the flex area close to second close to first in flex area.
3. LED car lamp high efficiency and heat radiation module according to claim 2, it is characterised in that：The fin structure includes first
Fins group (4) and the second fins group (5), the lower surface of first fins group is recessed upwards forms the first groove (41), described
First flattening area and the inner surface of first groove fit；The lower surface of second fins group is recessed upwards forms second
Groove (51), the second flattening area and the inner surface of second groove fit.
4. LED car lamp high efficiency and heat radiation module according to claim 1, it is characterised in that：The heat-conducting layer is 7762 heat conduction
Layer of paste.
5. LED car lamp high efficiency and heat radiation module according to claim 1, it is characterised in that：The heat pipe is sintered pipes.
6. LED car lamp high efficiency and heat radiation module according to claim 3, it is characterised in that：The fin of first fins group
Side be evenly distributed with two row convex closures, the side of the fin of second fins group is evenly distributed with three row convex closures.
7. LED car lamp high efficiency and heat radiation module according to claim 1, it is characterised in that：Between between the adjacent fin
Away from for 4.5-5mm.
8. LED car lamp high efficiency and heat radiation module according to claim 1, it is characterised in that：It is " L " type that the heat pipe, which is overlooked,
Heat pipe.
9. LED car lamp high efficiency and heat radiation module according to claim 1, it is characterised in that：The heat-radiating substrate rushes for metal
Casting die, metal extrusion or die cast metal part.
10. LED car lamp high efficiency and heat radiation module according to claim 1, it is characterised in that：The convex closure is cylinder or half
Sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820202153.8U CN207778324U (en) | 2018-02-06 | 2018-02-06 | LED car lamp high efficiency and heat radiation module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820202153.8U CN207778324U (en) | 2018-02-06 | 2018-02-06 | LED car lamp high efficiency and heat radiation module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207778324U true CN207778324U (en) | 2018-08-28 |
Family
ID=63212328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820202153.8U Active CN207778324U (en) | 2018-02-06 | 2018-02-06 | LED car lamp high efficiency and heat radiation module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207778324U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591964A (en) * | 2018-02-06 | 2018-09-28 | 太仓市华盈电子材料有限公司 | LED car lamp high efficiency and heat radiation module |
| EP3889495A4 (en) * | 2019-02-26 | 2022-01-26 | Hasco Vision Technology Co., Ltd. | Vehicle lamp module and vehicle using same |
-
2018
- 2018-02-06 CN CN201820202153.8U patent/CN207778324U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591964A (en) * | 2018-02-06 | 2018-09-28 | 太仓市华盈电子材料有限公司 | LED car lamp high efficiency and heat radiation module |
| EP3889495A4 (en) * | 2019-02-26 | 2022-01-26 | Hasco Vision Technology Co., Ltd. | Vehicle lamp module and vehicle using same |
| EP4148322A1 (en) * | 2019-02-26 | 2023-03-15 | Hasco Vision Technology Co., Ltd. | Vehicle lamp module and vehicle using same |
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