CN202469734U - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN202469734U CN202469734U CN201220022293XU CN201220022293U CN202469734U CN 202469734 U CN202469734 U CN 202469734U CN 201220022293X U CN201220022293X U CN 201220022293XU CN 201220022293 U CN201220022293 U CN 201220022293U CN 202469734 U CN202469734 U CN 202469734U
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- baseplane
- side wall
- led
- light fixture
- circumferential side
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Abstract
The utility model provides an LED lamp which has higher luminous efficiency and reliability and longer service life. The LED lamp comprises at least one group of LED devices, a shell and a lamp cap, wherein the lamp cap is fixed at the end of the shell; the shell consists of a bottom plane and a peripheral side wall, the periphery of the bottom plane is connected with the peripheral edge of an opening at one end of the peripheral side wall to form a radiator; a heat-conducting insulating layer, a conductive layer and a protective layer are arranged on the bottom plane in sequence, gaps where the LED devices are arranged are arranged at positions corresponding to the protective layer, the LED devices are fixed in the gap area and connected with the conductive layer electrically and fixedly. Heat generated by the LED devices can be directly transmitted to the cup-shaped radiator, so that the ways of transmitting heat are reduced, the heat resistance is lower, and the radiating efficiency of the lamp is higher.
Description
Technical field
The utility model belongs to the LED lighting field, is specifically related to have the cup-shaped radiator and has used a kind of LED light fixture of this structural member.
Background technology
In the design of LED light fixture, heat dissipation design is a very important ring.The height of the quality of heat dispersion and the chip PN junction temperature of confirming is thus determining the height of the light loss consumption that heat causes, the reliability and the life-span of light fixture.In the prior art; The LED light fixture is placed in one or more groups LED device on the pcb board through surface mount process (SMT) that (this pcb board can be FR-4 PCB or Metal Substrate PCB on the corresponding position; Form by protective layer, conductive layer, insulating barrier and substrate); When the pcb board (being substrate) and the composition surface flatness of radiator are better; Just directly be placed to the pcb board that has mounted LED on the radiator, otherwise will use heat-conducting cream (or thermal conductive silicon film) to fill the air gap faying face place, that thermal conductivity is low of pcb board and radiator, to reduce the thermal resistance of this junction.Though this way can reduce thermal resistance to a certain extent, effect is not satisfactory, and has increased the material cost of light fixture.
Summary of the invention
The purpose of the utility model is to provide a kind of LED light fixture, and its light efficiency and reliability are higher, and the life-span is longer.
The utility model is realized through following technical scheme:
A kind of LED light fixture includes at least one group of LED device, housing and lamp holder, and lamp holder is fixed on the end of said housing; Said housing includes baseplane, circumferential side wall, and the periphery of said baseplane is connected with the wherein circumferential edges of an end opening of circumferential side wall, is combined to form radiator; Be provided with heat conductive insulating layer, conductive layer and protective layer on the said baseplane successively, said protective layer relevant position is provided with the breach that the LED device is installed, and said LED device is fixed in the said gap regions, is electrically connected with said conductive layer and fixes.
Further, said housing is made by the metal material of high-termal conductivity.
Perhaps, said housing is made by the nonmetallic materials of high-termal conductivity.
Said housing is to be connected through riveting or welding manner with said circumferential side wall by said baseplane.
Said housing is perhaps to be connected through the die cast mode with the moulding of said circumferential side wall one panel beating by said baseplane.
Said circumferential side wall is provided with pit or the convexity that is used to strengthen area of dissipation.
The outside wall surface of said circumferential side wall is provided with the radiating fin that multi-disc is disposed radially, the identical distance in interval between the adjacent said radiating fin.
The beneficial effect of the utility model is following:
The utility model provides a kind of LED light fixture; Include an at least one group of LED device and a housing; The radiator that said housing is made up of a baseplane and circumferential side wall; Said baseplane is disposed with heat conductive insulating layer, conductive layer and protective layer from the bottom up, and said protective layer relevant position is provided with breach, and said LED device is connected fixing with said conductive layer through said breach.This kind LED light fixture comprises said cup-shaped radiator; Used a kind of LED light fixture of this cup-shaped radiator to compare with the LED light fixture of prior art; The heat that one or more groups LED device produces directly is delivered to the cup-shaped radiator through the heat conductive insulating layer; Reduced the approach that heat transmits, thermal resistance is lower, and the radiating efficiency of light fixture is higher.
Therefore; A kind of LED light fixture that the utility model provides; Further reduce the thermal resistance from the PN junction to the radiator; Through aluminium base in the LED light fixture of removing prior art to the heat conduction bottleneck between the radiator---the air gap, heat-conducting cream or heat conduction paster, when improving radiating effect, reduce the material cost of LED light fixture.
Be specially: a kind of LED light fixture that the utility model provides, compare with the LED light fixture of prior art, have following advantage: the material cost of light fixture is lower, and thermal resistance is lower, and radiating efficiency is higher, and light efficiency is higher, and reliability is higher, and the life-span is longer.
Description of drawings
Fig. 1 is the sectional structure sketch map of the said a kind of LED light fixture embodiment one of the utility model;
Fig. 2 is the B place partial enlarged drawing of Fig. 1;
Fig. 3 is the assembly structure sketch map of the said a kind of LED light fixture embodiment two of the utility model;
Fig. 4 is the A place partial enlarged drawing of Fig. 3;
Fig. 5 is the assembly structure sketch map of the said a kind of LED light fixture embodiment three of the utility model;
Fig. 6 is the C place partial enlarged drawing of Fig. 5;
Fig. 7 is the perspective view of the said a kind of LED light fixture embodiment three of the utility model.
The specific embodiment
The utility model discloses a kind of LED light fixture, include at least one group of LED device, housing and lamp holder, lamp holder is fixed on the end of said housing; Said housing includes baseplane, circumferential side wall, and the periphery of said baseplane is connected with the wherein circumferential edges of an end opening of circumferential side wall, is combined to form radiator; Be provided with heat conductive insulating layer, conductive layer and protective layer on the said baseplane successively, said protective layer relevant position is provided with the breach that the LED device is installed, and said LED device is fixed in the said gap regions, is electrically connected with said conductive layer and fixes.
Further, said housing is made by the metal material of high-termal conductivity.
Perhaps, said housing is made by the nonmetallic materials of high-termal conductivity.
Said housing is to be connected through riveting or welding manner with said circumferential side wall by said baseplane.
Said housing is perhaps to be connected through the die cast mode with the moulding of said circumferential side wall one panel beating by said baseplane.
Said circumferential side wall is provided with pit or the convexity that is used to strengthen area of dissipation.
The outside wall surface of said circumferential side wall is provided with the radiating fin that multi-disc is disposed radially, the identical distance in interval between the adjacent said radiating fin.
Embodiment one:
Like Fig. 1, shown in 2; The utility model embodiment one includes one or more groups LED device 9 and housing 10; Wherein, said housing 10 is the radiator be made up of baseplane 6 and circumferential side wall 1, and is cup-shaped; Housing 10 can be aluminium sheet or other metal one panel beating moulding; Thereby its outer surface is provided with and is used to increase the pit 2 that area of dissipation improves radiating effect, and baseplane 6 is provided with heat conductive insulating layer 5, conductive layer 4 and protective layer 3 from the bottom up successively, and adopts similar aluminium base manufacture craft (like dried/wet film imaging, acidity/alkali etching, silk-screen resistance weldering and character, V-CUT etc.) successively to manufacture on baseplane 6 in order.Heat conductive insulating layer 5 has the effect of heat conduction, electric insulation; The circuit that conductive layer 4 is used for the LED device connects; Protective layer 3 is used for protecting conductive layer 4, prevents that the Copper Foil on the conductive layer 4 is oxidized, and also is provided with breach 301 on the protective layer 3, and LED device 9 is through breach 301 and be connected fixing with conductive layer 4 through the SMT mode.Like this, said one or more groups LED device 9 better directly is delivered to cup-shaped radiator (housing) 10 through heat conductive insulating layer 5 with the heat of its generation, has reduced the approach that heat transmits; Thermal resistance is lower, and radiating efficiency is higher, and adopts the cup-shaped radiator as LED shot-light housing; Material cost is lower; Light efficiency is higher, and reliability is higher, and the life-span is longer.In addition; Said housing 10 tops also are provided with protective cover 7, and the reflector 8 of secondary light-distribution is installed in the housing 10, and protective cover 7 is used for protecting reflector 8 and LED device 9 not to be compromised; Reflector 8 makes light propagate by the demand direction, reaches the effect that effectively utilizes luminous energy.Said housing 10 belows are connected with lamp holder 12, are convenient to be installed on the lamp socket; The also horizontal power circuit 11 that is inserted with in the lamp holder 12, power circuit 11 is used for converting the power supply supply into specific voltage, electric current, and is luminous with driving LED device 9.
Said LED light fixture is the LED shot-light, and baseplane 6 is arranged between circumferential side wall 1 and the lamp holder 12; Baseplane 6, circumferential side wall 1 and protective cover 7 surround and form the enclosed cavity that LED device 9 is installed; A plurality of LED devices 9 are close to the conductive layer top on 6 inner surfaces of baseplane, around LED device 9, are provided with reflector 8; Power circuit 11 is located in the lamp holder 12 and is electrically connected with LED device 9.
Embodiment two
Like Fig. 3, shown in 4, the utility model embodiment two includes one or more groups LED device 9 and housing 10, wherein; Said housing 10 is the radiators be made up of baseplane 6 and circumferential side wall 1, and through riveting or be welded to connect, cup-shaped; Common performance heat conduction and thermolysis; Cup-shaped radiator 10 outer surfaces also are provided with pit 2, are mainly used in the increase area of dissipation, thereby improve radiating effect.The baseplane 6 of housing 10 is provided with heat conductive insulating layer 5 (acting on of embodiment 1), conductive layer 4 (acting on of embodiment 1) and protective layer 3 (acting on of embodiment 1) from the bottom up successively; And also be provided with breach 301 on the protective layer 3; LED device 9 is through breach 301 and be connected fixing with conductive layer 4 through the SMT mode; The heat that better LED device 9 is produced directly is delivered to through heat conductive insulating layer 5 and has for strengthening on the cup-shaped radiator (housing) 10 of heat radiation to discharge orifice (not showing among the figure); Reduced the approach that heat transmits, thermal resistance is lower, and radiating efficiency is higher.The top of said housing 10 is connected with protective cover 7; Reflector 8 and plastic cement structural member 13 are installed in it, and wherein, protective cover 7 is used for protecting reflector 8 and LED device 9 not to be compromised; Plastic cement structural member 13 is used for the connection of lamp holder 12, reflector 8, cup-shaped radiator 10; The also horizontal power circuit 11 that is inserted with in the plastic cement structural member 13, power circuit 11 is used for converting the power supply supply into specific voltage, electric current, and is luminous with driving LED device 9.Said cup-shaped radiator (housing) 10 belows are connected with lamp holder 12, and the utility model is installed on the outside lamp socket through lamp holder 12.
Described LED light fixture is the PAR lamp, and the periphery of baseplane 6 is provided with installs sidewall 601, the installation sidewall 601 of baseplane 6 is fixed on the open top position of circumferential side wall 1 through the riveting mode; Lamp holder 12 is connected with the bottom opening of circumferential side wall 1; Baseplane 6 surrounds with protective cover 7 and forms the enclosed cavity that LED device 9 is installed; A plurality of LED devices 9 are close to the conductive layer top of the inner surface of baseplane 6, around each LED device 9, are provided with reflector 8.
Embodiment three
Shown in Fig. 5 to 7; The utility model embodiment three described LED lamps are LED right cone bulb lamps, include one or more groups LED device 9 and housing 10, wherein; Said housing 10 is the radiators be made up of baseplane 6 and circumferential side wall 1; And through die cast, the outside wall surface of circumferential side wall 1 is provided with the radiating fin 14 that multi-disc is disposed radially, the identical distance in interval between the adjacent said radiating fin 14; Be used to strengthen area of dissipation, improve radiating effect.Cup-shaped radiator (housing) 10 of said die casting is connected with protective cover 7 (acting on of embodiment 2); Baseplane 6 is provided with heat conductive insulating layer 5 (acting on of embodiment 1), conductive layer 4 (acting on of embodiment 1) and protective layer 3 (acting on of embodiment 1) from the bottom up successively; And also be provided with breach 31 on the protective layer 3; LED device 9 is connected with conductive layer 4 through breach 31 and through the SMT mode to be fixed, and the heat that better LED device 9 is produced directly is delivered to cup-shaped radiator (housing) 10 through heat conductive insulating layer 5, has reduced the approach that heat transmits; Thermal resistance is lower, and radiating efficiency is higher.Plastic structural part 13 is arranged in the cup-shaped radiator 10, and plastic cement structural member 13 is used for the connection of lamp holder 12, cup-shaped radiator 10.Also be provided with power circuit 11 in the plastic structural part 13, power circuit 11 is used for converting commercial power supply into specific voltage, electric current, and is luminous with driving LED device 9.Cup-shaped radiator 10 belows are connected with lamp holder 12, and the utility model is installed on the outside lamp socket through lamp holder 12.
In addition; Radiator in the said LED lamp of the utility model also can adopt the nonmetallic materials of high-termal conductivity; Like the plastic material (as: model is the PPS plastic material of E5101) of high-termal conductivity or the pottery of high-termal conductivity (like the IGBT high heat-conducting ceramic sheet material of the imperial Electronics Co., Ltd. in north, Guangzhou), and the integrated through injection molding moulding is passed through with circumferential side wall 1 in the baseplane 6 of said radiator.
Above-mentioned listed concrete implementation is nonrestrictive, and to one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to the protection domain of the utility model.
Claims (9)
1. a LED light fixture includes at least one group of LED device, housing and lamp holder, and lamp holder is fixed on the end of said housing; Said housing includes baseplane, circumferential side wall, and the periphery of said baseplane is connected with the wherein circumferential edges of an end opening of circumferential side wall, is combined to form radiator; It is characterized in that: be provided with heat conductive insulating layer, conductive layer and protective layer on the said baseplane successively, said protective layer relevant position is provided with the breach that the LED device is installed, and said LED device is fixed in the said gap regions, is electrically connected with said conductive layer and fixes.
2. a kind of LED light fixture as claimed in claim 1, it is characterized in that: said housing is made by the metal material of high-termal conductivity.
3. a kind of LED light fixture as claimed in claim 1, it is characterized in that: said housing is made by the nonmetallic materials of high-termal conductivity.
4. a kind of LED light fixture as claimed in claim 2 is characterized in that: said housing is to be connected through riveting or welding manner with said circumferential side wall by said baseplane.
5. a kind of LED light fixture as claimed in claim 2 is characterized in that: said housing is perhaps to be connected through the die cast mode with the moulding of said circumferential side wall one panel beating by said baseplane.
6. like any one described a kind of LED light fixture in the claim 1 to 5, it is characterized in that: said circumferential side wall is provided with pit or the convexity that is used to strengthen area of dissipation.
7. like any one described a kind of LED light fixture in the claim 1 to 5, it is characterized in that: the outside wall surface of said circumferential side wall is provided with the radiating fin that multi-disc is disposed radially, the identical distance in interval between the adjacent said radiating fin.
8. like any one described a kind of LED light fixture in the claim 1 to 5, it is characterized in that: said LED light fixture is the LED shot-light, and baseplane (6) are arranged between circumferential side wall (1) and the lamp holder (12); Baseplane (6), circumferential side wall (1) and protective cover (7) surround and form the enclosed cavity that LED device (9) is installed; A plurality of LED devices (9) are close to the conductive layer top on the inner surface of baseplane (6), around LED device (9), are provided with reflector (8); Power circuit (11) is located in the lamp holder (12) and is electrically connected with LED device (9).
9. like any one described a kind of LED light fixture in the claim 1 to 5; It is characterized in that: described LED light fixture is the PAR lamp; The periphery of baseplane (6) is provided with installs sidewall (601), the installation sidewall (601) of baseplane (6) is fixed on the open top position of circumferential side wall (1) through the riveting mode; Lamp holder (12) is connected with the bottom opening of circumferential side wall (1); Baseplane (6) and protective cover (7) surround and form the enclosed cavity that LED device (9) is installed; A plurality of LED devices (9) are close to the conductive layer top of the inner surface of baseplane (6), around each LED device (9), are provided with reflector (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220022293XU CN202469734U (en) | 2012-01-16 | 2012-01-16 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220022293XU CN202469734U (en) | 2012-01-16 | 2012-01-16 | LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202469734U true CN202469734U (en) | 2012-10-03 |
Family
ID=46917892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220022293XU Expired - Fee Related CN202469734U (en) | 2012-01-16 | 2012-01-16 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202469734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606555A (en) * | 2021-07-23 | 2021-11-05 | 中为科技(广州)有限公司 | LED warning lamp capable of intelligently switching lamp brightness according to ambient brightness |
-
2012
- 2012-01-16 CN CN201220022293XU patent/CN202469734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606555A (en) * | 2021-07-23 | 2021-11-05 | 中为科技(广州)有限公司 | LED warning lamp capable of intelligently switching lamp brightness according to ambient brightness |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DALIAN DEHAO PHOTOELECTRIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GUANGDONG ELECTECH INTERNATIONAL INC. Effective date: 20130704 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 519000 ZHUHAI, GUANGDONG PROVINCE TO: 116000 DALIAN, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130704 Address after: 116000 information road 3, Jinshi IT Industrial Park, Dalian Development Zone, Liaoning, China Patentee after: Dalian Dehao Photoelectric Technology Co., Ltd. Address before: 519000 Guangdong city of Zhuhai province tangjiewan Jinfeng Road No. 1 Patentee before: Guangdong Electech International Inc. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160511 Address after: 233000 Anhui city of Bengbu province high tech Zone East Tianhe Road on the south side of the bridge (Jiang Bengbu BDO Optoelectronics Technology Co. Ltd) Patentee after: Bengbu three Yi Semiconductor Co., Ltd. Address before: 116000 information road 3, Jinshi IT Industrial Park, Dalian Development Zone, Liaoning, China Patentee before: Dalian Dehao Photoelectric Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20200116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |