CN207880785U - LED worklight wiring board - Google Patents
LED worklight wiring board Download PDFInfo
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- CN207880785U CN207880785U CN201820248495.3U CN201820248495U CN207880785U CN 207880785 U CN207880785 U CN 207880785U CN 201820248495 U CN201820248495 U CN 201820248495U CN 207880785 U CN207880785 U CN 207880785U
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- electrode
- extensibility
- heat dissipation
- zones
- wiring board
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Abstract
A kind of LED worklight wiring board of the utility model, the wiring board includes aluminum substrate (1), it is provided with thermally conductive insulating layer (2) on the aluminum substrate (1), two electrode pads (3) and heat dissipation bonding pad (4) are set on the thermally conductive insulating layer (2), electrode zones of extensibility (3.3) be by electrode pad area (3.1) outward tiling extend made of copper foil layer, and electrode zones of extensibility (3.3) it is exposed solder mask (5) outside part coating tin coating after constitute electrode thickened area (3.2)；Radiate zones of extensibility (4.3) be from heatsink welding panel (4.1) to upper and lower both sides tiling extend made of copper foil layer, and radiate zones of extensibility (4.3) it is exposed solder mask (5) outside part coating tin coating after constitute heat dissipation thickened area (4.2).A kind of LED worklight wiring board of the utility model, has the advantages that heat dissipation effect is excellent.
Description
Technical field
The utility model is related to a kind of wiring boards, more particularly, to a kind of application and the special circuit plate on LED worklight.
Background technology
LED light-emitting component because its is energy saving, efficiently due to be widely used, LED light from the beginning is aobvious to LED
Display screen is to LED background applications to LED illumination, and LED light-emitting component is developed in more and more industries, field, each
In the application process of kind product, the key of life of product and product quality is improved, is that the light efficiency of LED is made to obtain maximized profit
With need most solution is exactly the heat dissipation problem during LED operation, the amount of heat product otherwise generated during LED operation
The performance of the component on wiring board can be seriously affected in the circuit board by storing, and reduce the service life of product.
Nowadays at special mechanical industry (such as loading machine, excavator, overweight machine engineering machinery and farm machinery etc.)
Good this low energy consumption of LED, high-power, high vibration resistance, the new type light source of long-life, with its instead before halogen lamp, make
LED worklight.In the application process of LED worklight, what is encountered is also same heat dissipation problem.Although current LED worklight
It has used the excellent aluminum substrate of heat conductivility comprehensively and has substituted pcb board, but application effect is still unsatisfactory, especially
Its theoretic projected life is much not achieved in the service life of LED light-emitting component.
Invention content
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of LED worklight lines of excellent radiation performance
Road plate.
What the purpose of this utility model was realized in：
A kind of LED worklight wiring board, the wiring board include aluminum substrate, and it is exhausted to be provided with heat conduction on the aluminum substrate
Edge layer, two electrode pads of setting are used to weld the positive and negative anodes of LED particle in the thermally conductive insulating layer, in the thermally conductive insulating layer
It is provided with heat dissipation bonding pad, heat dissipation bonding pad and the intermediate radiator pole of LED particle are mutually welded；The electrode pad includes electrode pad
Area, electrode thickened area and electrode zones of extensibility, the heat dissipation bonding pad include that heatsink welding panel, heat dissipation thickened area and heat dissipation are extended
Area, Liang Ge electrode pads area are respectively welded the positive and negative anodes of LED particle, and electrode zones of extensibility is to be tiled outward extension by electrode pad area
Made of copper foil layer, and constitute electrode thickened area after the exposed part coating tin coating outside solder mask in electrode zones of extensibility；Heat dissipation
Zones of extensibility is copper foil layer made of descending both sides tiling to extend upwards by heatsink welding panel, and zones of extensibility of radiating is exposed outside solder mask
Part coating tin coating after constitute heat dissipation thickened area.
Compared with prior art, the utility model has the beneficial effects that：
The utility model by increase copper foil area, to increase heat dissipation area, to reach high efficiency and heat radiation effect；And it hinders
So that shape is more aesthetically pleasing after layer setting, exposed part is by making passage of heat become larger, improve after tin plating thickening
Heat transfer efficiency, to further increase heat dissipation effect.
Description of the drawings
Fig. 1 is a kind of layout-design figure (subregion schematic diagram) of copper foil of LED worklight wiring board of the utility model
Fig. 2 is a kind of side sectional view of LED worklight wiring board of the utility model.
Fig. 3 is the layout-design figure (electrode pad, heat dissipation bonding pad) of the welding copper foil of conventional LED worklight.
Wherein：
LED particle 101；
Aluminum substrate 1, thermally conductive insulating layer 2, electrode copper foil 3, heat dissipation copper foil 4, solder mask 5；
Electrode pad area 3.1, electrode thickened area 3.2, electrode zones of extensibility 3.3
Heatsink welding panel 4.1, heat dissipation thickened area 4.2, heat dissipation zones of extensibility 4.3.
Specific implementation mode
Referring to Fig. 1~3, the utility model is related to a kind of LED worklight wiring board, the wiring board includes aluminium base
Plate 1 is provided with thermally conductive insulating layer 2 on the aluminum substrate 1, and two electrode pads 3 of setting are for welding in the thermally conductive insulating layer 2
The positive and negative anodes of LED particle 101, are provided with heat dissipation bonding pad 4 in the thermally conductive insulating layer 2, heat dissipation bonding pad 4 in LED particle 101
Between heat dissipation pole mutually weld；
The electrode pad 3 includes electrode pad area 3.1, electrode thickened area 3.2 and electrode zones of extensibility 3.3, described to dissipate
Hot weld disk 4 includes that heatsink welding panel 4.1, heat dissipation thickened area 4.2 and heat dissipation zones of extensibility 4.3, Liang Ge electrode pads area 3.1 are distinguished
The positive and negative anodes of LED particle 101 are welded, electrode zones of extensibility 3.3 is the copper foil made of electrode pad area 3.1 outward tiling extension
Layer, and constitute electrode thickened area 3.2 after the exposed part coating tin coating outside solder mask 5 in electrode zones of extensibility 3.3；Heat dissipation is extended
Area 4.3 is copper foil layer made of extending from heatsink welding panel 4.1 to the tiling of upper and lower both sides, and radiates that zones of extensibility 4.3 is exposed is hindering
Heat dissipation thickened area 4.2 is constituted after part coating tin coating outside layer 5；
In addition：It should be noted that above-mentioned specific implementation mode is only a prioritization scheme of this patent, the skill of this field
Any change or improvement that art personnel are done according to above-mentioned design, within the protection domain of this patent..
Claims (1)
1. a kind of LED worklight wiring board, the wiring board includes aluminum substrate (1), is provided with and leads on the aluminum substrate (1)
Thermal insulation layer (2), two electrode pads (3) of setting are for welding the positive and negative of LED particle (101) on the thermally conductive insulating layer (2)
Pole is provided with heat dissipation bonding pad (4), the intermediate radiator pole of heat dissipation bonding pad (4) and LED particle (101) on the thermally conductive insulating layer (2)
Mutually weld；It is characterized in that：
The electrode pad (3) includes electrode pad area (3.1), electrode thickened area (3.2) and electrode zones of extensibility (3.3), institute
It includes heatsink welding panel (4.1), heat dissipation thickened area (4.2) and heat dissipation zones of extensibility (4.3), two electrodes to state heat dissipation bonding pad (4)
Pad area (3.1) is respectively welded the positive and negative anodes of LED particle (101), electrode zones of extensibility (3.3) be from electrode pad area (3.1) to
Copper foil layer made of outer tiling is extended, and electrode zones of extensibility (3.3) exposed structure after the part of solder mask (5) outside coats tin coating
At electrode thickened area (3.2)；Made of radiating zones of extensibility (4.3) to extend from heatsink welding panel (4.1) to the tiling of upper and lower both sides
Copper foil layer, and zones of extensibility (4.3) exposed composition heat dissipation thickened area after the part of solder mask (5) outside coats tin coating of radiating
(4.2)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820248495.3U CN207880785U (en) | 2018-02-11 | 2018-02-11 | LED worklight wiring board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820248495.3U CN207880785U (en) | 2018-02-11 | 2018-02-11 | LED worklight wiring board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207880785U true CN207880785U (en) | 2018-09-18 |
Family
ID=63498981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820248495.3U Active CN207880785U (en) | 2018-02-11 | 2018-02-11 | LED worklight wiring board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207880785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864040A (en) * | 2020-09-23 | 2020-10-30 | 歌尔股份有限公司 | Metal substrate and heating element |
-
2018
- 2018-02-11 CN CN201820248495.3U patent/CN207880785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864040A (en) * | 2020-09-23 | 2020-10-30 | 歌尔股份有限公司 | Metal substrate and heating element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 214429 No. 99, Chengjiang East Road, high tech Zone, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangyin Changjiang Electric Appliance Co.,Ltd. Address before: No. 99, Chengjiang East Road, Jiangyin City, Wuxi City, Jiangsu Province, 214431 Patentee before: JIANGYIN CHANGJIANG ELECTRIC APPLIANCE Co.,Ltd. |