CN204459891U - A kind of energy-conserving light source assembly - Google Patents
A kind of energy-conserving light source assembly Download PDFInfo
- Publication number
- CN204459891U CN204459891U CN201520200885.XU CN201520200885U CN204459891U CN 204459891 U CN204459891 U CN 204459891U CN 201520200885 U CN201520200885 U CN 201520200885U CN 204459891 U CN204459891 U CN 204459891U
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- Prior art keywords
- circuit board
- capillary
- capillary structure
- heat sink
- light source
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Abstract
The utility model discloses a kind of energy-conserving light source assembly, comprise LED lamp bead, lens, circuit board, capillary heat sink and radiating fin; Multiple LED lamp bead is welded on a side of circuit board, and LED lamp bead covers lens; Capillary heat sink is arranged on circuit board another side, be fixedly connected with some radiating fins at the lateral surface of capillary heat sink, described circuit board comprises aluminium base, is located at insulating barrier on aluminium base and adopts magnetron sputtering technique to form metal level on remaining insulating barrier successively.The utility model adopts magnetron sputtering technique and anodizing to arrange insulating barrier and metal level, and insulating barrier and metal level can be controlled in micron order, and two layers of thickness is little, and thermal resistance is little, improve radiating efficiency; Capillary heat sink makes can not accumulate too much heat near the position of circuit board, effectively extends LED service life.
Description
Technical field
The utility model relates to LED technical field of heat dissipation, is specially a kind of energy-conserving light source assembly.
Background technology
LED is a kind of can be the semiconductor of visible ray by electric energy conversion, and its energy consumption is low and have the plurality of advantages such as the life-span is long, light efficiency is high, radiationless.Therefore, LED, as illuminating product of new generation, has great potential.But the heat dissipation problem of LED restricts the development of LED industry all the time, the heat produced in LED luminescence process can cause the output light intensity of LED to reduce, and makes its dominant wavelength shift.LED heat radiation is bad in addition, and junction temperature is just high, and the life-span is also just short.
Utility model content
The purpose of this utility model is to provide a kind of energy-conserving light source assembly, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of energy-conserving light source assembly, comprises LED lamp bead, lens, circuit board, capillary heat sink and radiating fin; Multiple LED lamp bead is welded on a side of circuit board, and LED lamp bead covers lens; Capillary heat sink is arranged on circuit board another side, be fixedly connected with some radiating fins at the lateral surface of capillary heat sink, described circuit board comprises aluminium base, is located at insulating barrier on aluminium base and adopts magnetron sputtering technique to form metal level on remaining insulating barrier successively; Be provided with a chamber in described capillary collecting plate, described chamber comprises one first side and one second side, and described first side and described second side are respectively equipped with one first capillary structure, one second capillary structure and a working fluid; The side of described first capillary structure is connected with described second capillary structure; Side and the described chamber of described first capillary structure form a steam channel jointly.
As the utility model further technical scheme, the radial expanded range of described first capillary structure is more than or equal to the half of the inwall circumference of described chamber.
As the utility model further technical scheme, the radial expanded range of described first capillary structure is greater than the radial expanded range of described second capillary structure.
As the utility model further technical scheme, described metal level comprises basilar memebrane, conducting film and welding film.
Compared with prior art, the utility model adopts magnetron sputtering technique and anodizing to arrange insulating barrier and metal level, and insulating barrier and metal level can be controlled in micron order, and two layers of thickness is little, and thermal resistance is little, improve radiating efficiency; Working fluid in capillary heat sink is converted in liquid process by gaseous state needs the steam channel by capillary collecting plate to spread from described first capillary structure to described second capillary structure, and the volume of described second capillary structure is less than the volume of described first capillary structure, decrease the pressure effect of gaseous working fluid when spreading, add the cycle efficieny of working fluid, dispel the heat in the position that heat is passed to stow away from heat by working fluid, make can not accumulate too much heat near the position of circuit board, effectively extend LED service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of energy-conserving light source assembly of the utility model.
Fig. 2 is capillary cooling plate structure schematic diagram in a kind of energy-conserving light source assembly of the utility model.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1, a kind of energy-conserving light source assembly, comprise LED lamp bead 1, lens 4, circuit board 3, capillary heat sink 4 and radiating fin 5; Multiple LED lamp bead 1 is welded on a side of circuit board 3, LED lamp bead 1 covers lens 4; Capillary heat sink 4 is arranged on circuit board 3 another side, and combining closely with this side of circuit board realizes dispelling the heat, and is fixedly connected with some radiating fins 5 at 4 lateral surfaces of capillary heat sink, is conveniently distributed in time by waste heat; Be provided with a chamber in described capillary collecting plate 4, described chamber comprises one first side 46 and one second side 44, and described first side 46 and described second side 44 are respectively equipped with one first capillary structure 43,1 second capillary structure 42 and a working fluid 41; The side of described first capillary structure 43 is connected with described second capillary structure 42; Side and the described chamber of described first capillary structure 43 form a steam channel 45 jointly;
The radial expanded range of described first capillary structure 43 is more than or equal to the half of the inwall circumference of described chamber 11, and the radial expanded range of described first capillary structure 43 is greater than the radial expanded range of described second capillary structure 42;
Described working fluid 41 is converted in liquid process by gaseous state to be needed to be spread to described second capillary structure 42 from described first capillary structure 43 by the steam channel 45 of capillary collecting plate 4, and the volume of described second capillary structure 42 is less than the volume of described first capillary structure 43, decrease the pressure effect of working fluid 21 when spreading of described gaseous state, add the cycle efficieny of described working fluid 41, dispel the heat in the position that heat is passed to stow away from heat by described working fluid 41, make can not accumulate too much heat near the position of circuit board 3, improve the radiating efficiency of capillary collecting plate,
The aluminium base 31 that the making of circuit board adopts thermal conductivity good is substrate, then forms insulating barrier 32 by anodizing technology on substrate, and processes out cellular shrinkage pool on the insulating layer, is finally to adopt magnetron sputtering technique plated film formation metal level 33 on the insulating layer.
Circuit production method on circuit board 3 is as follows: before plated film, first adopt screen printing technique to form one deck ink contrary with required circuit diagram at substrate, ink carries out sputter coating to substrate after drying again, then removal ink is removed with organic solvent, the metallic film being deposited on ink pellet surface also comes off thereupon, and remaining metallic circuit is required circuit.
The metal level circuit that sputter coating is formed comprises basilar memebrane, conducting film and welding film.Base film thickness controls at 0.2-0.3 μm; Conducting film THICKNESS CONTROL is at 3-5 μm; Welding film thickness controls at 0.5-0.8 μm.Be conducive to the making of circuit and the reliability of wiring board like this.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. an energy-conserving light source assembly, is characterized in that, comprises LED lamp bead, lens, circuit board, capillary heat sink and radiating fin; Multiple LED lamp bead is welded on a side of circuit board, and LED lamp bead covers lens; Capillary heat sink is arranged on circuit board another side, be fixedly connected with some radiating fins at the lateral surface of capillary heat sink, described circuit board comprises aluminium base, is located at insulating barrier on aluminium base and adopts magnetron sputtering technique to form metal level on remaining insulating barrier successively; Be provided with a chamber in described capillary collecting plate, described chamber comprises one first side and one second side, and described first side and described second side are respectively equipped with one first capillary structure, one second capillary structure and a working fluid; The side of described first capillary structure is connected with described second capillary structure; Side and the described chamber of described first capillary structure form a steam channel jointly.
2. a kind of energy-conserving light source assembly according to claim 1, is characterized in that, the radial expanded range of described first capillary structure is more than or equal to the half of the inwall circumference of described chamber.
3. a kind of energy-conserving light source assembly according to claim 1, is characterized in that, the radial expanded range of described first capillary structure is greater than the radial expanded range of described second capillary structure.
4. a kind of energy-conserving light source assembly according to claim 1, is characterized in that, described metal level comprises basilar memebrane, conducting film and welding film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200885.XU CN204459891U (en) | 2015-04-03 | 2015-04-03 | A kind of energy-conserving light source assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200885.XU CN204459891U (en) | 2015-04-03 | 2015-04-03 | A kind of energy-conserving light source assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459891U true CN204459891U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520200885.XU Expired - Fee Related CN204459891U (en) | 2015-04-03 | 2015-04-03 | A kind of energy-conserving light source assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204459891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464871A (en) * | 2021-06-30 | 2021-10-01 | 江西展耀微电子有限公司 | Lamp film, preparation method thereof and electronic equipment |
-
2015
- 2015-04-03 CN CN201520200885.XU patent/CN204459891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464871A (en) * | 2021-06-30 | 2021-10-01 | 江西展耀微电子有限公司 | Lamp film, preparation method thereof and electronic equipment |
| CN113464871B (en) * | 2021-06-30 | 2023-08-15 | 江西新菲新材料有限公司 | Lamp film, preparation method thereof and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |