CN108591964A - LED car lamp high efficiency and heat radiation module - Google Patents
LED car lamp high efficiency and heat radiation module Download PDFInfo
- Publication number
- CN108591964A CN108591964A CN201810115897.0A CN201810115897A CN108591964A CN 108591964 A CN108591964 A CN 108591964A CN 201810115897 A CN201810115897 A CN 201810115897A CN 108591964 A CN108591964 A CN 108591964A
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- radiating substrate
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- 230000005855 radiation Effects 0.000 title claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 60
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000005058 metal casting Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000006071 cream Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004512 die casting Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 241001465382 Physalis alkekengi Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/49—Attachment of the cooling means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
- F21V29/717—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements using split or remote units thermally interconnected, e.g. by thermally conductive bars or heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/87—Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention 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 present invention can simplify radiator structure, mitigate overall weight, reinforce heat dissipation effect.
Description
Technical field
The invention 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.
Invention content
The invention mainly solves the technical problem of providing a kind of LED car lamp high efficiency and heat radiation modules, can simplify heat dissipation knot
Structure mitigates overall weight, reinforces heat dissipation effect.
In order to solve the above technical problems, one aspect of the present invention is：A kind of car light heat radiation module, including branch
Support, car light substrate and radiator structure, the radiator structure include heat-radiating substrate, heat pipe and fin structure, and 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, 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 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.
Beneficial effects of the present invention at least have the following：
1, LED car lamp high efficiency and heat radiation module provided by the invention, the LED car lamp high efficiency and heat radiation module of this structure, pass through by
Supporting rack is detached with radiator structure so that supporting rack no longer has the function of heat dissipation, can effectively avoid support frame structure because of this
The problem of needing to increase heat dissipation area caused by stature matter ADC thermal coefficients are relatively low, supporting rack of the invention primarily serves branch
Support structure, the effect for positioning shape；In addition, car light substrate is arranged in the lower section of the heat-radiating substrate of radiator structure so that heat dissipation knot
Structure is effectively contacted 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 via heat dissipation
Structure radiates, and 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 invention, if fin structure includes dry plate equidistantly distributed and vertical
Directly in the fin of heat-radiating substrate, the side of each fin is all evenly distributed with several row convex closures, which can increase fin table
The heat dissipation area in face；In addition, adjacent rows convex closure is in cross-distribution, which can generate sinuous flow inside fin, enhance fin
The heat dissipation effect of piece；
3, LED car lamp high efficiency and heat radiation module provided by the invention is also set between the car light substrate and the heat-radiating substrate
It is equipped 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 carried further
Heat conduction efficiency between high 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 invention, the heat pipe are contacted with the heat source on the car light substrate,
Heat pipe has 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 flattens area
The groove to match with second flattening area, the LED car lamp high efficiency and heat radiation module of this structure are complete by the sintering structure of heat pipe
At convection current, to realize effect that heat quickly conducts；Realize that heat pipe is pressed with first respectively by the first groove and the second groove
Coming into full contact with for area is flattened in flat area and second, puies forward highly thermally conductive efficiency；And the first flattening area and the second flattening area can increase
The contact area of heating tube and heat-radiating substrate 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 invention, 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 and fin
The contact area of structure improves the efficiency of heat conduction；
6, LED car lamp high efficiency and heat radiation module provided by the invention uses tin on the faying face of heat-radiating substrate, heat pipe and fin
Cream is connected after fixing using soldering mode, and the LED car lamp high efficiency and heat radiation module of this structure can further increase in radiator structure
Portion's heat conduction efficiency realizes better heat dissipation effect；
7, LED car lamp high efficiency and heat radiation module provided by the invention, heat-radiating substrate are metallic stamping pieces, metal extrusion or gold
Belong to die casting, can realize industrialized mass production, reduces production cost.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of the fin of the present invention；
Fig. 4 is the structural schematic diagram of the first fin of the present invention and the lower surface of the second fin；
Fig. 5 is the heat pipe vertical view of the present invention；
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 embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
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.
Working principle of the present invention is as follows：The heat of LED car lamp heat source is conducted first to the heat pipe being in direct contact with heat source
On 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
Go out heat；Crush zone and heat-conducting layer of the heat at this time through superheater tube are conducted to heat-radiating substrate, the heat on heat-radiating substrate
It is conducted to fin and is distributed by tin cream again.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, produced by effectively reducing LED car lamp at work
Heat, achieve the effect that protect LED car lamp.Since such heat exchange pattern efficiency is higher, meeting wanting for LED car lamp protection
It asks down, the heat dissipation area and quality of heat radiation module can be effectively reduced.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
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 |
|---|---|---|---|
| CN201810115897.0A CN108591964A (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 |
|---|---|---|---|
| CN201810115897.0A CN108591964A (en) | 2018-02-06 | 2018-02-06 | LED car lamp high efficiency and heat radiation module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108591964A true CN108591964A (en) | 2018-09-28 |
Family
ID=63608944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810115897.0A Pending CN108591964A (en) | 2018-02-06 | 2018-02-06 | LED car lamp high efficiency and heat radiation module |
Country Status (1)
| Country | Link |
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| CN (1) | CN108591964A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747718A (en) * | 2017-09-25 | 2018-03-02 | 上海小糸车灯有限公司 | Automobile lamp radiator structure |
| CN110594196A (en) * | 2019-08-26 | 2019-12-20 | 太仓市华盈电子材料有限公司 | A cooling fan that can change the wind direction |
| CN111140787A (en) * | 2019-12-30 | 2020-05-12 | 广州兰天电子科技有限公司 | Total reflection LED spotlight |
Citations (9)
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Application publication date: 20180928 |