CN207380415U - A kind of high vehicle-mounted backlight of heat dissipation - Google Patents
A kind of high vehicle-mounted backlight of heat dissipation Download PDFInfo
- Publication number
- CN207380415U CN207380415U CN201721471281.4U CN201721471281U CN207380415U CN 207380415 U CN207380415 U CN 207380415U CN 201721471281 U CN201721471281 U CN 201721471281U CN 207380415 U CN207380415 U CN 207380415U
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- heat dissipation
- frame
- heat
- aluminum substrate
- bottom aluminium
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Abstract
The utility model discloses a kind of high vehicle-mounted backlight of heat dissipation, including the heat dissipation aluminum alloy outer frame being square and the bottom aluminium frame being square, heat dissipation aluminum alloy outer frame and bottom aluminium frame are fastened and connected, the frame to radiate between aluminum alloy outer frame and bottom aluminium frame is equipped with aluminum substrate, the edge of aluminum substrate is contacted with heat dissipation aluminum alloy outer frame and bottom aluminium frame, heat-conducting glue is equipped between the edge of aluminum substrate and bottom aluminium frame, LED light-emitting sections are installed on aluminum substrate, the heat that LED light-emitting sections generate is conducted by aluminum substrate and heat-conducting glue to heat dissipation aluminum alloy outer frame and bottom aluminium frame, heat dissipation aluminum alloy outer frame and bottom aluminium frame are effectively distributed heat among air again.Using high performance heat dissipation aluminium alloy category outline border and bottom aluminium frame, the shine heats of generation of LED are conducted by aluminum substrate PCB and heat-conducting glue to upper and lower aluminum metal outline border, make interiors of products uniform with surface temperature, then effectively distribute heat among air, so as to effectively solve heat dissipation problem.
Description
Technical field
The utility model is related to backlight, more particularly to a kind of high vehicle-mounted backlight of heat dissipation.
Background technology
Vehicle-mounted backlight product requirement brightness is higher, and brightness range is from tens of thousands of tens of thousands of to ten, far beyond current TFT
The scope of color screen backlight general brightness, conventional backlight LED quantity is few, and brightness is low, in order to promote brightness, in backlight
LED is large number of, is increased using electric current, and amount of localized heat aggregation is serious, and the heat that highlighted LED is generated is difficult to effectively distribute, and influences
Product reliability and service life.
Current vehicle-mounted backlight routine heat dissipation design is the side being attached to using aluminum substrate PCB with heat-conducting glue band under aluminium on iron frame
Method, since temperature constantly rises among LED long-time uses, heat caused by LED can only reach bottom aluminium by aluminum substrate
Plate distributes, and temperature is excessively high to be made the service life reduction of LED and cause surface LCD screen display uneven or even have the risk of spontaneous combustion,
Threaten driving safety and the personal safety of automobile.
Utility model content
The purpose of this utility model is the drawbacks described above for the prior art, provides a kind of high vehicle-mounted backlight of heat dissipation.
To solve the drawbacks described above of the prior art, technical solution provided by the utility model is：A kind of high vehicle-mounted back of the body of heat dissipation
Light source, including the heat dissipation aluminum alloy outer frame being square and the bottom aluminium frame being square, the heat dissipation aluminum alloy outer frame and bottom aluminium
Frame is fastened and connected, it is described heat dissipation aluminum alloy outer frame and bottom aluminium frame between frame be equipped with aluminum substrate, the four of the aluminum substrate
Circumferential edges are contacted with the heat dissipation aluminum alloy outer frame and bottom aluminium frame, between the edge of the aluminum substrate and the bottom aluminium frame
Equipped with heat-conducting glue, LED light-emitting sections are installed on the aluminum substrate, the heat that LED light-emitting sections generate is passed by aluminum substrate and heat-conducting glue
Heat dissipation aluminum alloy outer frame and bottom aluminium frame are directed at, heat dissipation aluminum alloy outer frame and bottom aluminium frame effectively distribute heat to air again
In the middle.
As a kind of improvement of the high vehicle-mounted backlight that radiates of the utility model, the front and rear edges of the aluminum substrate, which is equipped with, takes
Connect protrusion.
As a kind of improvement of the high vehicle-mounted backlight that radiates of the utility model, the upper plane of the aluminum substrate is stamped two layers of glass
Glass panel, the lower surface of the aluminum substrate are equipped with LCP plastic plates, and the surface of the LCP plastic plates away from the aluminum substrate is equipped with
Reflector.
As a kind of improvement of the high vehicle-mounted backlight that radiates of the utility model, edge of the heat-conducting glue along the aluminum substrate
It sets and is contacted with the bottom aluminium frame.
As a kind of improvement of the high vehicle-mounted backlight that radiates of the utility model, the front and rear end margin of the bottom aluminium frame corresponds to
The overlap joint raised position is equipped with the groove protruded outward, and the both sides of the edge of the bottom aluminium frame are equipped at intervals with to be extended vertically upwards
The fixture block gone out, the bottom surface of the fixture block docking heat dissipation aluminum alloy outer frame.
Compared with prior art, the utility model has the advantages that：Using high performance heat dissipation aluminium alloy category outline border and bottom
Aluminium frame, the shine heats of generation of LED are conducted by aluminum substrate PCB and heat-conducting glue to upper and lower aluminum metal outline border, make interiors of products with
Surface temperature is uniform, then effectively distributes heat among air, so as to effectively solve heat dissipation problem.It can effectively solve
The damage that LED fevers cause temperature excessively high to backlight module；The service life of vehicle-mounted module product can be improved；Can reduce by
The driving accident caused by heat dissipation problem improves traffic safety.This product also has the features such as easy to assembly, simple in structure.
Description of the drawings
Just the utility model and its beneficial technique effect are made with specific embodiment with reference to the accompanying drawings below further detailed
Thin description, wherein：
Fig. 1 is the utility model structure diagram.
Reference numeral title：1st, heat dissipation aluminum alloy outer frame 2, bottom aluminium frame 3, aluminum substrate 4, heat-conducting glue 5, LED shine
Item 6, overlap joint protrusion 7, glass panel 8, LCP plastic plates 9, reflector 10, groove 11, fixture block.
Specific embodiment
Just the utility model is further described with specific embodiment with reference to the accompanying drawings below, but the implementation of the utility model
Mode is not limited to this.
As shown in Figure 1, a kind of vehicle-mounted backlight of high heat dissipation, including the heat dissipation aluminum alloy outer frame 1 that is square be square
Bottom aluminium frame 2, heat dissipation aluminum alloy outer frame 1 and bottom aluminium frame 2 are fastened and connected, and radiate between aluminum alloy outer frame 1 and bottom aluminium frame 2
Frame is equipped with aluminum substrate 3, and the edge of aluminum substrate 3 is contacted with heat dissipation aluminum alloy outer frame 1 and bottom aluminium frame 2, aluminum substrate 3
Edge and bottom aluminium frame 2 between be equipped with heat-conducting glue 4, LED light-emitting sections 5, the heat that LED light-emitting sections 5 generate are installed on aluminum substrate 3
By aluminum substrate 3 and the conduction of heat-conducting glue 4 to heat dissipation aluminum alloy outer frame 1 and bottom aluminium frame 2, radiate aluminum alloy outer frame 1 and bottom aluminium
Frame 2 is effectively distributed heat among air again.
Preferably, the front and rear edges of aluminum substrate 3 is equipped with overlap joint protrusion 6.
Preferably, the upper plane of aluminum substrate 3 is stamped layer glass panel 7, and the lower surface of aluminum substrate 3 is equipped with LCP plastic plates
8, LCP surfaces of the plastic plate 8 away from aluminum substrate 3 are equipped with reflector 9.
Preferably, heat-conducting glue 4 sets along the edge of aluminum substrate 3 and is contacted with bottom aluminium frame 2.
Preferably, the front and rear end margin of bottom aluminium frame 2 corresponds to raised 6 positions of overlap joint and is equipped with the groove 10 protruded outward, bottom
The both sides of the edge of portion's aluminium frame 2 are equipped at intervals with the fixture block 11 vertically extended upwards, the bottom of the docking heat dissipation aluminum alloy outer frame 1 of fixture block 11
Face.
Using high performance heat dissipation aluminium alloy category outline border 1 and bottom aluminium frame 2, the shine heats of generation of LED pass through aluminum substrate
PCB is conducted with heat-conducting glue to heat dissipation aluminum alloy outer frame 1 and the bottom aluminium frame 2 being square, and makes interiors of products uniform with surface temperature,
It effectively distributes heat to again among air, so as to effectively solve heat dissipation problem.LED fevers, which can effectively be solved, causes temperature
The excessively high damage to backlight module；The service life of vehicle-mounted module product can be improved；It can reduce since heat dissipation problem causes
Driving accident, improve traffic safety.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle and structure of the utility model can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are limited by appended claims and its equivalency range.
Claims (5)
1. a kind of high vehicle-mounted backlight of heat dissipation, which is characterized in that including the heat dissipation aluminum alloy outer frame being square and the bottom being square
Portion's aluminium frame, the heat dissipation aluminum alloy outer frame and bottom aluminium frame are fastened and connected, between the heat dissipation aluminum alloy outer frame and bottom aluminium frame
Frame be equipped with aluminum substrate, the edge of the aluminum substrate is contacted with the heat dissipation aluminum alloy outer frame and bottom aluminium frame,
Heat-conducting glue is equipped between the edge of the aluminum substrate and the bottom aluminium frame, LED light-emitting sections, LED hairs are installed on the aluminum substrate
The heat that striation generates is conducted by aluminum substrate and heat-conducting glue to heat dissipation aluminum alloy outer frame and bottom aluminium frame, and radiate aluminum alloy outer frame
It is effectively distributed heat to again among air with bottom aluminium frame.
2. the high vehicle-mounted backlight that radiates according to claim 1, which is characterized in that the front and rear edges of the aluminum substrate is all provided with
There is overlap joint protrusion.
3. the high vehicle-mounted backlight that radiates according to claim 2, which is characterized in that the upper plane of the aluminum substrate is stamped two
Layer glass panel, the lower surface of the aluminum substrate are equipped with LCP plastic plates, the surface of the LCP plastic plates away from the aluminum substrate
Equipped with reflector.
4. the high vehicle-mounted backlight that radiates according to claim 3, which is characterized in that the heat-conducting glue is along the aluminum substrate
Edge sets and is contacted with the bottom aluminium frame.
5. the high vehicle-mounted backlight that radiates according to claim 4, which is characterized in that the front and rear end margin of the bottom aluminium frame
The corresponding overlap joint raised position is equipped with the groove protruded outward, and the both sides of the edge of the bottom aluminium frame are equipped at intervals with upwards vertically
The fixture block extended, the bottom surface of the fixture block docking heat dissipation aluminum alloy outer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471281.4U CN207380415U (en) | 2017-11-07 | 2017-11-07 | A kind of high vehicle-mounted backlight of heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471281.4U CN207380415U (en) | 2017-11-07 | 2017-11-07 | A kind of high vehicle-mounted backlight of heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207380415U true CN207380415U (en) | 2018-05-18 |
Family
ID=62334618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721471281.4U Active CN207380415U (en) | 2017-11-07 | 2017-11-07 | A kind of high vehicle-mounted backlight of heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207380415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534534A (en) * | 2021-07-08 | 2021-10-22 | 深圳亿成光电科技有限公司 | Backlight source structure of vehicle-mounted TFT display screen |
-
2017
- 2017-11-07 CN CN201721471281.4U patent/CN207380415U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534534A (en) * | 2021-07-08 | 2021-10-22 | 深圳亿成光电科技有限公司 | Backlight source structure of vehicle-mounted TFT display screen |
| CN113534534B (en) * | 2021-07-08 | 2024-01-05 | 深圳亿成光电科技有限公司 | Backlight source structure of vehicle-mounted TFT display screen |
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