CN202419512U - Switch power supply of light-emitting diode (LED) mining lamp - Google Patents
Switch power supply of light-emitting diode (LED) mining lamp Download PDFInfo
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- CN202419512U CN202419512U CN2011205663756U CN201120566375U CN202419512U CN 202419512 U CN202419512 U CN 202419512U CN 2011205663756 U CN2011205663756 U CN 2011205663756U CN 201120566375 U CN201120566375 U CN 201120566375U CN 202419512 U CN202419512 U CN 202419512U
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- radiator
- switching tube
- power supply
- output diode
- upper body
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Abstract
The utility model discloses a switch power supply of a light-emitting diode (LED) mining lamp, which comprises a power supply box, a circuit board, a heat conduction silicon sheet, a transformer and a heat dissipation device, wherein the power supply box comprises an upper shell and a lower cover, the upper shell comprises a top cover and a side plate, the transformer and the heat dissipation device are fixed on the circuit board, the shape of the top surface of the heat dissipation device is matched with the shape of the bottom surface of the top cover of the upper shell of the power supply box, and the heat conduction silicon sheet is clamped between and closely attached to the top surface of the heat dissipation device and the bottom surface of the top cover of the upper shell. The switch power supply simultaneously adopts the heat dissipation mode of air heat convection and heat conduction to dissipate heat to the outside, so the heat dissipation efficiency of the switch power supply of the LED mining lamp is improved, the switch power supply of the high-power LED mining lamp is not easy to damage by overheat, and the service life of the switch power supply is prolonged.
Description
[technical field]
The utility model relates to the LED bulkhead lamp capable, relates in particular to a kind of LED bulkhead lamp capable Switching Power Supply.
[background technology]
The power of the power ratio common LED lamp of LED bulkhead lamp capable Switching Power Supply is big, and the inner original paper of power supply produces very big heat when work.But LED bulkhead lamp capable Switching Power Supply need be considered waterproof, moistureproof requirement, and the power pack shell seals, and can't come to dispel the heat to the components and parts of power supply inside through the form of louvre.The components and parts of power supply inside pass through the shell of the mode of air thermal convection current in the power pack with the heat transferred power pack of generation again through the radiator air that the heat transferred power pack is inner, and the back is distributed heat by the power pack shell again.The easy radiating efficiency of the radiating mode of this air thermal convection current is low, causes great power LED bulkhead lamp capable Switching Power Supply overheated and damage easily.
[summary of the invention]
It is good that the technical problem that the utility model will solve provides a kind of heat radiation, the LED bulkhead lamp capable Switching Power Supply that service life is long.
In order to solve the problems of the technologies described above; The technical scheme that the utility model adopts is that a kind of LED bulkhead lamp capable Switching Power Supply comprises power pack, circuit board, thermal conductive silicon film, transformer and radiator; Described power pack comprises upper casing and lower cover; Described upper casing comprises top cover and side plate, and described transformer and radiator are fixed on the circuit board, and the shape of the shape of said radiator end face and power pack upper casing top cover bottom surface is suitable; Described thermal conductive silicon film is clipped between radiator end face and the upper casing top cover bottom surface, closely contacts with both.
Above-described LED bulkhead lamp capable Switching Power Supply, the shape of the shape of said radiator end face and power pack upper casing top cover bottom surface all is a sphere.
Above-described LED bulkhead lamp capable Switching Power Supply; Described radiator comprises switching tube radiator and output diode radiator; The switching tube radiator comprises switching tube radiator lower body and switching tube radiator upper body, and the output diode radiator comprises output diode radiator lower body and output diode radiator upper body; The top of switching tube radiator lower body is connected through screw with the bottom of switching tube radiator upper body, and the top of output diode radiator lower body is connected through screw with the bottom of output diode radiator upper body; Switching tube radiator lower body is fixed on the circuit board, and switching tube is fixed on the switching tube radiator lower body; Output diode radiator lower body is fixed on the circuit board, and output diode is fixed on the output diode radiator lower body; The shape of switching tube radiator upper body end face and output diode radiator upper body end face is suitable with the shape of power pack upper casing top cover bottom surface respectively; Described thermal conductive silicon film comprises switching tube radiator thermal conductive silicon film and output diode radiator thermal conductive silicon film; Switching tube radiator thermal conductive silicon film is clipped between switching tube radiator upper body end face and the upper casing top cover bottom surface, and output diode radiator thermal conductive silicon film is clipped between output diode radiator upper body end face and the upper casing top cover bottom surface.
Above-described LED bulkhead lamp capable Switching Power Supply; Comprise transformer thermal conductive silicon rubber cushion; Switching tube radiator upper body or diode radiating device upper body comprise bracketed part; Described bracketed part comprises outstanding transformer heat-conducting part downwards, and said thermal conductive silicon rubber cushion is clipped between the bottom surface and transformer end face of transformer heat-conducting part, bears the extruding of transformer end face and said transformer heat-conducting part bottom surface.
Above-described LED bulkhead lamp capable Switching Power Supply, the top of switching tube radiator upper body and output diode radiator upper body comprises mounting groove, the bottom land of said mounting groove comprises the screw hole that connects upper body and following body and function.
Above-described LED bulkhead lamp capable Switching Power Supply, switching tube radiator upper body and output diode radiator upper body all comprise bracketed part, the bottom of said bracketed part comprises fin.
Above-described LED bulkhead lamp capable Switching Power Supply comprises the rectifier bridge radiator, and the lower end of rectifier bridge radiator is fixed on the circuit board through screw, and the top of rectifier bridge radiator comprises fin.
Above-described LED bulkhead lamp capable Switching Power Supply, the lower end of the lower end of switching tube radiator lower body and output diode radiator lower body is fixed on the circuit board through screw.
Above-described LED bulkhead lamp capable Switching Power Supply, a side of switching tube radiator lower body is the installed surface of switching tube, and opposite side comprises fin, and next side of output diode radiator lower body is the installed surface of output diode, and opposite side comprises fin.
The inner components and parts of the utility model LED bulkhead lamp capable Switching Power Supply produce the part of heat through the radiator air that the heat transferred power pack is inner, and the mode through air thermal convection current in the power pack is with the shell of the heat transferred power pack that produces; Another part of heat directly conducts through the heat conduction gives the power pack shell, by the power pack shell heat is distributed.The radiating mode of this air thermal convection current heating conduction has improved the radiating efficiency of LED bulkhead lamp capable Switching Power Supply, and great power LED bulkhead lamp capable Switching Power Supply was difficult for cause thermal damage, long service life.
[description of drawings]
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is the front view of the utility model LED bulkhead lamp capable Switching Power Supply embodiment.
Fig. 2 is the vertical view of the utility model LED bulkhead lamp capable Switching Power Supply embodiment.
Fig. 3 is that A among Fig. 1 is to cutaway view.
Fig. 4 is that B among Fig. 3 is to cutaway view.
Fig. 5 is that C among Fig. 3 is to cutaway view.
Fig. 6 is the front view after the utility model LED bulkhead lamp capable Switching Power Supply embodiment removes upper casing.
Fig. 7 is the vertical view after the utility model LED bulkhead lamp capable Switching Power Supply embodiment removes upper casing.
Fig. 8 is the stereogram after the utility model LED bulkhead lamp capable Switching Power Supply embodiment removes upper casing.
Fig. 9 is the vertical view of the utility model LED bulkhead lamp capable Switching Power Supply embodiment circuit board and main parts size.
Figure 10 is that D among Fig. 9 is to cutaway view.
Figure 11 is one of stereogram of the utility model LED bulkhead lamp capable Switching Power Supply embodiment circuit board and main parts size.
Figure 12 be the utility model LED bulkhead lamp capable Switching Power Supply embodiment circuit board and main parts size stereogram two.
Figure 13 be the utility model LED bulkhead lamp capable Switching Power Supply embodiment circuit board and main parts size stereogram three.
Figure 14 be the utility model LED bulkhead lamp capable Switching Power Supply embodiment circuit board and main parts size stereogram four.
[specific embodiment]
To the utility model embodiment 1 shown in Figure 14, LED bulkhead lamp capable Switching Power Supply comprises power pack, circuit board, rectifier bridge radiator, switching tube radiator, output diode radiator, switching tube radiator thermal conductive silicon film, output diode radiator thermal conductive silicon film, transformer and transformer thermal conductive silicon rubber cushion at Fig. 1.
Power pack comprises upper casing 1 and lower cover 2, and upper casing 1 comprises top cover 101 and side plate 102.Top cover 101 bottom surfaces are spheres of arcuation.
The switching tube radiator comprises switching tube radiator lower body 4 and switching tube radiator upper body 5, and the output diode radiator comprises output diode radiator lower body 6 and output diode radiator upper body 7.
The top of switching tube radiator lower body 4 is connected through screw 8 with the bottom of switching tube radiator upper body 5, and the top of output diode radiator lower body 6 is connected through screw 9 with the bottom of output diode radiator upper body 7.
The lower end of switching tube radiator lower body 4 is fixed on the circuit board 3 through screw 9, and switching tube 10 is fixed on the switching tube radiator lower body 4, and a side of switching tube radiator lower body 4 is the installed surface of switching tube 10, and opposite side has fin 401.
The lower end of output diode radiator lower body 6 is fixed on the circuit board 3 through screw 11; Output diode 16 is fixed on the output diode radiator lower body 6; Next side of output diode radiator lower body 6 is the installed surface of output diode 16, and opposite side has fin 601.
The end face 701 of the end face 501 of switching tube radiator upper body 5, utmost point tube radiator upper body 7 all be the sphere of arcuation.End face 501 is suitable with the shape of installation position, power pack upper casing top cover 101 bottom surface respectively with end face 701.
Switching tube radiator thermal conductive silicon film 12 is clipped between the bottom surface of end face 501 and upper casing top cover 101 of switching tube radiator upper body 5, and output diode radiator thermal conductive silicon film 13 is clipped between the end face 701 and upper casing top cover 101 bottom surfaces of output diode radiator upper body 7.When the mounting screw 24 tightened between upper casing 1 and the lower cover 2; Bear the extruding of radiator end face 501,701 and power pack upper casing top cover bottom surface; Contact closely with radiator end face 501,701, power pack upper casing top cover bottom surface, the heat of switching tube radiator and output diode radiator is conducted to the power pack upper casing.
Switching tube radiator upper body 5 comprises outstanding bracketed part with output diode radiator upper body 7, and fin 504 and 704 are arranged respectively at the bottom of bracketed part.The bracketed part of switching tube radiator upper body 5 also has 1 outstanding transformer heat conduction convex 502 downwards.Thermal conductive silicon rubber cushion 17 is clipped between the end face of bottom surface and transformer 18 of transformer heat conduction convex; Bear the extruding of transformer end face and transformer heat conduction convex 502 bottom surfaces; Contact closely with both; Heat transferred switching tube radiator upper body 5 with transformer 18 produces passes to the power pack upper casing again.
The lower end of rectifier bridge radiator 21 is fixed on the circuit board 3 through screw, and fin 2101 is arranged at the top of rectifier bridge radiator, and rectifier bridge chip 22 is fixed on the side of rectifier bridge radiator 21.
The inner components and parts of the above embodiment LED of the utility model bulkhead lamp capable Switching Power Supply produce the part of heat through the radiator air that the heat transferred power pack is inner, and the mode through air thermal convection current in the power pack is with the shell of the heat transferred power pack that produces.Another part of heat directly conducts through the conduction of thermal conductive silicon film gives the power pack shell, by the power pack shell heat is distributed.The radiating mode of this air thermal convection current heating conduction has improved the radiating efficiency of LED bulkhead lamp capable Switching Power Supply, and great power LED bulkhead lamp capable Switching Power Supply was difficult for cause thermal damage, was able to service life prolong.
Claims (9)
1. a LED bulkhead lamp capable Switching Power Supply comprises power pack, circuit board, transformer and radiator, and described power pack comprises upper casing and lower cover; Described upper casing comprises top cover and side plate, and described transformer and radiator are fixed on the circuit board, it is characterized in that; Comprise the thermal conductive silicon film; The shape of the shape of said radiator end face and power pack upper casing top cover bottom surface is suitable, and described thermal conductive silicon film is clipped between radiator end face and the upper casing top cover bottom surface, closely contacts with both.
2. LED bulkhead lamp capable Switching Power Supply according to claim 1 is characterized in that, the shape of the shape of said radiator end face and power pack upper casing top cover bottom surface all is a sphere.
3. LED bulkhead lamp capable Switching Power Supply according to claim 1; It is characterized in that; Described radiator comprises switching tube radiator and output diode radiator; The switching tube radiator comprises switching tube radiator lower body and switching tube radiator upper body, and the output diode radiator comprises output diode radiator lower body and output diode radiator upper body; The top of switching tube radiator lower body is connected through screw with the bottom of switching tube radiator upper body, and the top of output diode radiator lower body is connected through screw with the bottom of output diode radiator upper body; Switching tube radiator lower body is fixed on the circuit board, and switching tube is fixed on the switching tube radiator lower body; Output diode radiator lower body is fixed on the circuit board, and output diode is fixed on the output diode radiator lower body; The shape of switching tube radiator upper body end face and output diode radiator upper body end face is suitable with the shape of power pack upper casing top cover bottom surface respectively; Described thermal conductive silicon film comprises switching tube radiator thermal conductive silicon film and output diode radiator thermal conductive silicon film; Switching tube radiator thermal conductive silicon film is clipped between switching tube radiator upper body end face and the upper casing top cover bottom surface, and output diode radiator thermal conductive silicon film is clipped between output diode radiator upper body end face and the upper casing top cover bottom surface.
4. LED bulkhead lamp capable Switching Power Supply according to claim 3; It is characterized in that; Comprise transformer thermal conductive silicon rubber cushion, switching tube radiator upper body or diode radiating device upper body comprise bracketed part, and described bracketed part comprises outstanding transformer heat-conducting part downwards; Said thermal conductive silicon rubber cushion is clipped between the bottom surface and transformer end face of transformer heat-conducting part, bears the extruding of transformer end face and said transformer heat-conducting part bottom surface.
5. LED bulkhead lamp capable Switching Power Supply according to claim 3 is characterized in that, the top of switching tube radiator upper body and output diode radiator upper body comprises mounting groove, and the bottom land of said mounting groove comprises the screw hole that connects upper body and following body and function.
6. LED bulkhead lamp capable Switching Power Supply according to claim 3 is characterized in that, switching tube radiator upper body and output diode radiator upper body all comprise bracketed part, and the bottom of said bracketed part comprises fin.
7. LED bulkhead lamp capable Switching Power Supply according to claim 1 is characterized in that comprise the rectifier bridge radiator, the lower end of rectifier bridge radiator is fixed on the circuit board through screw, and the top of rectifier bridge radiator comprises fin.
8. LED bulkhead lamp capable Switching Power Supply according to claim 3 is characterized in that, the lower end of the lower end of switching tube radiator lower body and output diode radiator lower body is fixed on the circuit board through screw.
9. LED bulkhead lamp capable Switching Power Supply according to claim 3; It is characterized in that a side of switching tube radiator lower body is the installed surface of switching tube, opposite side comprises fin; Next side of output diode radiator lower body is the installed surface of output diode, and opposite side comprises fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205663756U CN202419512U (en) | 2011-12-29 | 2011-12-29 | Switch power supply of light-emitting diode (LED) mining lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205663756U CN202419512U (en) | 2011-12-29 | 2011-12-29 | Switch power supply of light-emitting diode (LED) mining lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202419512U true CN202419512U (en) | 2012-09-05 |
Family
ID=46744271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205663756U Withdrawn - After Issue CN202419512U (en) | 2011-12-29 | 2011-12-29 | Switch power supply of light-emitting diode (LED) mining lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202419512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588919A (en) * | 2011-12-29 | 2012-07-18 | 深圳市大族元亨光电股份有限公司 | LED mining lamp switch-mode power supply and heat radiation method for same |
-
2011
- 2011-12-29 CN CN2011205663756U patent/CN202419512U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588919A (en) * | 2011-12-29 | 2012-07-18 | 深圳市大族元亨光电股份有限公司 | LED mining lamp switch-mode power supply and heat radiation method for same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20131009 |
|
| RGAV | Abandon patent right to avoid regrant |