CN201541362U - Power supply structure for high-power LED lamp - Google Patents
Power supply structure for high-power LED lamp Download PDFInfo
- Publication number
- CN201541362U CN201541362U CN2009201542416U CN200920154241U CN201541362U CN 201541362 U CN201541362 U CN 201541362U CN 2009201542416 U CN2009201542416 U CN 2009201542416U CN 200920154241 U CN200920154241 U CN 200920154241U CN 201541362 U CN201541362 U CN 201541362U
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- conducting plate
- heat
- power
- power supply
- circuit board
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- Expired - Fee Related
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Abstract
The utility model discloses a power supply structure for a high-power LED lamp, which comprises a grooved shell and a rectangular heat conducting plate, wherein the heat conducting plate is connected with the groove opening of the shell in a sealing way; the external surface of the heat conducting plate is provided with fins; the cavity of the shell is internally provided with the circuit board of a power circuit, and the input line and the output line thereof are led out from the end of the shell; both sides of the circuit board are provided with insulation brackets, and the insulation brackets are respectively supported on the inner wall of the shell and the internal surface of the heat conducting plate to insulate the circuit board from the shell and the heat conducting plate. The power supply structure has better heat dissipation, waterproof, anti-explosion and shockproof function.
Description
Technical field
The utility model relates to constant current regulated power supply, is specifically related to a kind of heat radiation, waterproof, explosion-proof, shockproof structure that is used for the constant-current supply of high-power LED lamp.
Background technology
Semiconductor lighting is one of the high-tech sector of tool development prospect of 21 century, along with improving constantly of large power white light LED luminous efficiency, the light efficiency of using light source has reached 100lm/w now, and high-power LED light source itself has excellent waterproof, explosion-proof, shockproof function, can satisfy road, tunnel, flower garden, under water, the special instructions for use of many lighting fields such as mine, industrial and mineral.Because high-power LED light source is direct current supply, the light fixture of utilizing high power led light source just needs to be equipped with alternating current is converted to galvanic constant current regulated power supply.Can produce very big heat during high-power LED light source work, the temperature of its operational environment and radiating condition are the decisive factors that influences high-power LED light source life-span and luminous efficiency.Existing constant current regulated power supply does not possess good heat-sinking capability; the heat that distributes during its work can produce high-power LED light source and have a strong impact on; not only the high-power LED light source life-span can be shortened, also high-power LED light source power-off protection, cisco unity malfunction can be caused when serious.And the waterproof of existing constant current regulated power supply, explosion-proof, shake-proof ability is not enough, also can influence the application of high-power LED lamp under mal-condition.Therefore practicality, economy, long-life are produced in research and development, and having good heat radiating, waterproof, constant current regulated power supply explosion-proof, shockproof function also is the task of top priority of field of semiconductor illumination.
The utility model content
Technical problem to be solved in the utility model provides a kind of suitable high-power LED illuminating light source and uses, energy waterproof, explosion-proof, shockproof, and the good power supply that dispels the heat.
The power supply architecture that the utility model is used for high-power LED lamp comprises groove form casing and rectangle heat-conducting plate, and the bottom surface of groove form casing is a rectangular notch, and notch edges is the encapsulation groove; The notch of heat-conducting plate and shell is tightly connected; The export-oriented face of heat-conducting plate is provided with radiating fin; The circuit board of device power circuit in the cavity of groove form casing and rectangle heat-conducting plate sealing formation, incoming line and output line are drawn by outer casing end; The two sides of circuit board is equipped with insulating support, and the height of insulating support is a little more than the height of electric device on the circuit board, is supported in respectively in outer casing inner wall and the heat-conducting plate to face, and circuit board and shell, heat-conducting plate are insulated.
As optimization, two high-power switch tubes and a fast recovery diode are drawn from circuit board, on heat-conducting plate, be provided with and these three corresponding holes of pipe, three pipes are installed in the hole of heat-conducting plate respectively and make encapsulation process.The work calories of these three pipes is very big, is the whole Switching Power Supply of the influence key factor in useful life.So structure is drawn circuit board with three pipes and is installed on the heat-conducting plate, and the heat that pipe is produced distributes rapidly, has also drawn back the distance of other electric device and these three high yield heat pipe, reduces the probability that is short-circuited.
As optimization, the layout of radiating fin on heat-conducting plate can be to be arranged in parallel or be the geometrical pattern setting.
As optimization, the cross sectional shape of radiating fin monomer can be " one " font or " T " font.
As optimization, shell adopts fire prevention, explosion-proof, waterproof material making; Heat-conducting plate and radiating fin adopt the high thermal conductivity coefficient metal material to make, for example copper, aluminium, stainless steel, aluminium copper facing or the silver-plated material of copper.
The utility model external heat spreader structures makes heat that power work produces by the radiating fin conduction or be radiated in the surrounding medium, has better heat radiating effect, makes to improve twice in useful life of high-power LED light source.Support system in hermetically sealed design of the present utility model and the circuit board cavity has good anti-interference, antidetonation, waterproof, explosion-proof, flameproof effect, be applied to high-power LED lamp, can significantly improve the scope of application of light fixture, adapt to high humidity, various abominable lighting conditions such as dust is many, vibrations are strong, continuous illumination, also can be used for underwater lighting.
Description of drawings
Accompanying drawing is the utility model embodiment package assembly schematic diagram.
Parts that number in the figure is represented or position are the 1-shell; The 2-circuit board; The 3-insulating support; The 4-high-power switch tube; The 5-fast recovery diode; The 6-radiating fin; The 7-heat-conducting plate; 8-heat-conducting plate hole.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in the figure, the utility model adopts fire prevention, explosion-proof, waterproof material making shell 1, and shell 1 is a flute profile, and its bottom surface is a rectangular notch, and notch edges is the encapsulation groove, is equipped with to make installation heat-conducting plate 7.The circuit board 2 of power circuit is installed in the cavity of shell 1.Circuit board 2 is fixed in the mounting groove in shell 1 chamber, and power line is drawn by shell 1 end, draws the lead place and also seals with fluid sealant.Circuit board 2 is selected the PC material for use.The upper and lower surface of circuit board 2 all is provided with insulating support 3, in order to support fixation circuit board 2, the electric device on the circuit board 2 and shell 1, heat-conducting plate 7 is insulated, and prevents short circuit.
Cast aluminium good with heat conductivility and that cost performance is higher is made heat-conducting plate 7 and radiating fin 6.Heat-conducting plate 7 is a rectangle, and size adapts with the notch of shell 1, and heat-conducting plate 7 and shell 1 are connected with bolt, are provided with fluid sealant therebetween, formation heat-conducting plate 7 and shell 1 sealed attachment; Radiating fin 6 is arranged on the export-oriented face of heat-conducting plate 7.The layout of radiating fin 6 on heat-conducting plate 7 can be arranged or be the geometrical pattern setting in parallel.The cross sectional shape of radiating fin 6 can be " one " font or " T " font.
Draw two high-power switch tubes 4 and a fast recovery diode 5 from circuit board 2 towards the one side of heat-conducting plate 7, be installed in respectively in three holes 8 in that 8, three pipes of three holes are set on the heat-conducting plate 7, with insulating heat-conductive glue that itself and radiator heat-conducting plate 7 is fixing.
Claims (5)
1. a power supply architecture that is used for high-power LED lamp is characterized in that, it comprises groove form casing and rectangle heat-conducting plate, and the bottom surface of groove form casing is a rectangular notch, and notch edges is the encapsulation groove; The notch of heat-conducting plate and shell is tightly connected; The export-oriented face of heat-conducting plate is provided with radiating fin; The circuit board of device power circuit in the cavity of shell, incoming line and output line are drawn by outer casing end; The two sides of circuit board is equipped with insulating support, and the height of insulating support is supported in respectively in outer casing inner wall and the heat-conducting plate to face a little more than the height of electric device on the circuit board.
2. the power supply architecture that is used for high-power LED lamp according to claim 1, it is characterized in that, draw two high-power switch tubes and a fast recovery diode from circuit board, be provided with on heat-conducting plate and these three corresponding holes of pipe, three pipes are installed in the hole of heat-conducting plate respectively and sealed attachment.
3. the power supply architecture that is used for high-power LED lamp according to claim 1 is characterized in that, the layout of described radiating fin on heat-conducting plate is to be arranged in parallel or be the geometrical pattern setting.
4. according to claim 1 or the 3 described power supply architectures that are used for high-power LED lamp, it is characterized in that the cross sectional shape of described radiating fin monomer is " one " font or " T " font.
5. the power supply architecture that is used for high-power LED lamp according to claim 1 is characterized in that, described heat-conducting plate and radiating fin adopt copper, aluminium, stainless steel, aluminium copper facing or the silver-plated material of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201542416U CN201541362U (en) | 2009-05-15 | 2009-05-15 | Power supply structure for high-power LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201542416U CN201541362U (en) | 2009-05-15 | 2009-05-15 | Power supply structure for high-power LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201541362U true CN201541362U (en) | 2010-08-04 |
Family
ID=42592811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201542416U Expired - Fee Related CN201541362U (en) | 2009-05-15 | 2009-05-15 | Power supply structure for high-power LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201541362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107371356A (en) * | 2017-08-29 | 2017-11-21 | 广东美的制冷设备有限公司 | The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner |
| CN107567244A (en) * | 2017-08-29 | 2018-01-09 | 广东美的制冷设备有限公司 | The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner |
-
2009
- 2009-05-15 CN CN2009201542416U patent/CN201541362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107371356A (en) * | 2017-08-29 | 2017-11-21 | 广东美的制冷设备有限公司 | The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner |
| CN107567244A (en) * | 2017-08-29 | 2018-01-09 | 广东美的制冷设备有限公司 | The electric-controlled box and air conditioner of a kind of circuit board assemblies, air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20110515 |