CN203757551U

CN203757551U - Lighting device

Info

Publication number: CN203757551U
Application number: CN201420117394.4U
Authority: CN
Inventors: 周敏华; 黄映甄
Original assignee: DBM REFLEX Co Ltd
Current assignee: DBM REFLEX Co Ltd; DBM Reflex of Taiwan Co Ltd
Priority date: 2014-03-14
Filing date: 2014-03-14
Publication date: 2014-08-06
Anticipated expiration: 2024-03-14

Abstract

The utility model relates to a lighting device. The lighting device comprises a base. The base is provided with a mainboard and a vertical conducting sheet. The conducting sheet comprises a first heat dissipation plane and a second heat dissipation plane, the end of the conducting sheet is provided with a light emitting diode module extending out of the base, and the light emitting diode module is electrically connected with the mainboard. The heat produced by the light emitted by the light emitting diode module can be conducted to the conducting sheet, the heat dissipation paths of two directions are provided through the first dissipation plane and the second heat dissipation plane of the conducting sheet, and therefore the heat dissipation efficiency can be effectively improved; the light emitting diode module is arranged at the end of the conducting sheet, the light emitting diode module can be correctly matched with the reflecting space to enhance the light evenness which can conform to the law and regulation provision on the brightness and light distribution of different vehicles.

Description

Lighting device

Technical field

The utility model is a kind of lighting device, espespecially a kind of lighting device that illumination is provided.

Background technology

Having volume the light-emittingdiode little and feature that brightness is high is widely used on car light, car light includes a lamp socket and a lampshade, and between this lamp socket and lampshade, form an accommodation space, and this lamp socket is provided with a lighting device that stretches into accommodation space, wherein, this lighting device includes a pedestal, this pedestal is provided with a motherboard, and be provided with light-emittingdiode module in the end of motherboard, light-emittingdiode module includes the circuit board of a connection motherboard, and the light-emittingdiode that is provided with of circuit board, and be provided with radiating fin on a side of motherboard.

Wherein, the heat energy producing when light-emittingdiode is luminous conducts to motherboard by circuit board, then conducts to radiating fin, forms unidirectional heat dissipation path, so radiating efficiency is not good.

Utility model content

The technical problems to be solved in the utility model is: a kind of lighting device is provided, and improving existing lighting device only provides unidirectional heat dissipation path and cause the not good problem of radiating efficiency.

Technical solution of the present utility model is: a kind of lighting device is provided, it includes a pedestal, a motherboard, a conductive sheet and a light-emittingdiode module, this motherboard is located on this pedestal, this conductive sheet is perpendicular to be located on this pedestal, and this conductive sheet includes one first radiating surface and one second radiating surface, this light-emittingdiode module is located at the end of this conductive sheet and stretches out this pedestal, and this light-emittingdiode module is electrically connected this motherboard.

Lighting device as above, this pedestal includes a pedestal, one first cover body and one second cover body, an assembly space that provides motherboard to arrange is provided in this pedestal, and this pedestal is provided with a supporting part in abutting connection with this conductive sheet, this first cover body and the second cover body are all located on the supporting part of this pedestal, and this first cover body is in abutting connection with the first radiating surface of this conductive sheet, and this second cover body is in abutting connection with the second radiating surface of this conductive sheet.

Lighting device as above, this pedestal includes a locked assembly, and this locked assembly includes a screw and a nut, and this screw is by this first cover body, this conductive sheet and this second cover body, and this nut lock is located on this screw.

Lighting device as above, this light-emittingdiode module includes a heat-conducting plate in abutting connection with this conductive sheet, and is provided with circuit board on the side of this heat-conducting plate, and circuit board is provided with light-emittingdiode, and in addition, the lateral surface of this pedestal is provided with group connecting part.

Lighting device as above, this first cover body and the second cover body are the member with radiating fin, the first cover body and second cover body of this pedestal combine with clip assembly, in addition, this light-emittingdiode module includes a heat-conducting plate in abutting connection with this conductive sheet, and is provided with circuit board on the side of this heat-conducting plate, and circuit board is provided with light-emittingdiode, in addition, the lateral surface of this pedestal is provided with group connecting part.

The utility model has the advantages that: luminous the produced thermal energy conduction of this light-emittingdiode module is to this conductive sheet, the heat dissipation path that the first radiating surface and the second radiating surface by this conductive sheet forms twocouese, reach the object that improves radiating efficiency, and this lighting device is while being located on the light fixture of vehicle, described light-emittingdiode module is positioned at the end of conductive sheet, allow light-emittingdiode module can correctly coordinate the reflection space of the lamp socket of light fixture, make light that light-emittingdiode module sends can be projected to reflective surface and the usable reflection of lamp socket, and then promote even luminosity, and applicable at various light fixture to reach the brightness of each car type and the rules and regulations of light distribution.

Accompanying drawing explanation

Fig. 1 is the perspective exploded view of a specific embodiment of the utility model lighting device.

Fig. 2 is the solid combination schematic diagram of a specific embodiment of the utility model lighting device.

Fig. 3 is the combination schematic side view of a specific embodiment of the utility model lighting device.

Fig. 4 is the local enlarged diagram of heat dissipation path of a specific embodiment of the utility model lighting device.

Fig. 5 is the perspective exploded view of another specific embodiment of the utility model lighting device.

Drawing reference numeral explanation

10 pedestal 11 pedestals

12 first cover body 13 second cover bodies

14 assembly space 15 supporting parts

16 group connecting part 17 screws

18 nut 20 motherboards

30 conductive sheet 31 first ends

32 the second end 33 first radiating surfaces

34 second radiating surface 40 light-emittingdiode modules

41 heat-conducting plate 42 circuit boards

43 light-emittingdiode 44 electric wires

The specific embodiment

Below coordinate accompanying drawing and preferred embodiment of the present utility model, further setting forth the utility model is to reach the technological means that predetermined utility model object is taked.

Referring to Fig. 1 to Fig. 3, is a kind of preferred embodiment of the utility model lighting device, and it comprises a pedestal 10, a motherboard 20, a conductive sheet 30 and a light-emittingdiode module 40.

This pedestal 10 includes a pedestal 11, one first cover body 12 and one second cover body 13, in this pedestal 11, be provided with an assembly space 14, and this pedestal 11 is provided with a supporting part 15, this first cover body 12 and the second cover body 13 are all located on the supporting part 15 of this pedestal 11, in addition, the lateral surface of this pedestal 11 is provided with group connecting part 16.

This motherboard 20 is provided in a side of on this pedestal 10 and is arranged in the assembly space 14 of this pedestal 11, and this motherboard 20 further can erect and be located on this pedestal 11.

This conductive sheet 30 is perpendicular being located on this pedestal 10, this conductive sheet 30 includes a relative first end 31 and a second end 32, this the second end 32 is in abutting connection with the supporting part 15 of this pedestal 11, and this conductive sheet 30 includes one first radiating surface 33 and one second radiating surface 34, this first radiating surface 33 is in abutting connection with this first cover body 12, this second radiating surface 34 is in abutting connection with this second cover body 13, above-mentioned in, this conductive sheet 30 can for copper sheet, potsherd or other can heat by conduction the lamellar body made of material.

This light-emittingdiode module 40 is located at the first end 31 of this conductive sheet 30 and stretches out this pedestal 10, and this light-emittingdiode module 40 is electrically connected this motherboard 20, wherein, this light-emittingdiode module 40 includes a heat-conducting plate 41 in abutting connection with this conductive sheet 30, and on the side of this heat-conducting plate 41, be provided with circuit board 42, circuit board 42 is provided with light-emittingdiode 43, and electric wire 44 is set on circuit board 42 connects this motherboard 20, wherein, this heat-conducting plate 41 is only provided with a circuit board 42 on a side, and on this circuit board 42, be provided with at least one light-emittingdiode 43, or as shown in Figure 3, on the two sides of this heat-conducting plate 41, be all provided with a circuit board 42, described circuit board 42 is provided with at least one light-emittingdiode 43.

In above-mentioned, this pedestal 10 includes a locked assembly, this locked assembly includes a screw 17 and a nut 18, this screw 17 is by this first cover body 12, this conductive sheet 30 and this second cover body 13, this nut 18 is locked on this screw 17, or this pedestal 10 includes a clip assembly and blocks group the first cover body 12 and the second cover body 13.

Refer to shown in Fig. 5, the first cover body 12a and the second cover body 13a of this lighting device are the member with radiating fin, can improve radiating efficiency.

Wherein, this lighting device can be installed in one to be had on the lamp socket of reflective surface, and this lamp socket upper cover is established a lampshade, the light-emittingdiode module 40 of this lighting device emits beam and is irradiated to the reflective surface of this lamp socket, utilize reflective surface that light reflection is irradiated to this lampshade, wherein, light-emittingdiode module 40 stretches into lamp socket reflection space around, refer to shown in Fig. 4, the heat energy that the light-emittingdiode module 40 of this lighting device produces when luminous, further conduct to the conductive sheet 30 of adjacency, the first radiating surface 33 by conductive sheet 30 mode by conduction reach the first cover body 12 by heat energy, and form the heat dissipation path of first direction, in addition, the heat energy that conducts to conductive sheet 30 can pass through the second radiating surface 34 of conductive sheet 30 simultaneously, mode by conduction further reaches the second cover body 13 by heat energy, to form the heat dissipation path of second direction, conduct to the heat energy of the first cover body 12 and the second cover body 13 and then adopt convection type to dispel the heat.

In sum, the heat energy that the light-emittingdiode module 40 of this lighting device produces can conduct to this conductive sheet 30, by the first radiating surface 33 and second radiating surface 34 of this conductive sheet 30, and take the heat dissipation path of different directions to dispel the heat simultaneously, and then reach the object that improves radiating efficiency, in addition, the light-emittingdiode module 40 of this lighting device is positioned at the perpendicular end that is located at the conductive sheet 30 on pedestal 10, when lighting device is installed in lamp socket, light-emittingdiode module 40 can correctly coordinate the reflection space of lamp socket, make light that light-emittingdiode module 40 sends can be projected to reflective surface the usable reflection of lamp socket, reach the effect that promotes even luminosity, make brightness and the light distribution of overall optical system performance can meet rules and regulations.

The above is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art, within not departing from the scope of technical solutions of the utility model, should utilize the technology contents of above-mentioned announcement to make a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims

1. a lighting device, is characterized in that, this lighting device comprises:

One pedestal;

One motherboard, it is provided in a side of on this pedestal;

One conductive sheet, it is perpendicular being located on this pedestal, this conductive sheet includes one first radiating surface and one second radiating surface; And

One light-emittingdiode module, it is provided in a side of the end of this conductive sheet and stretches out this pedestal, and this light-emittingdiode module is electrically connected this motherboard.

2. lighting device according to claim 1, it is characterized in that, this pedestal includes a pedestal, one first cover body and one second cover body, an assembly space that provides motherboard to arrange is provided in this pedestal, and this pedestal is provided with a supporting part in abutting connection with this conductive sheet, this first cover body and the second cover body are all located on the supporting part of this pedestal, and this first cover body is in abutting connection with the first radiating surface of this conductive sheet, and this second cover body is in abutting connection with the second radiating surface of this conductive sheet.

3. lighting device according to claim 2, it is characterized in that, this pedestal includes a locked assembly, and this locked assembly includes a screw and a nut, this screw is by this first cover body, this conductive sheet and this second cover body, and this nut lock is located on this screw.

4. lighting device according to claim 2, is characterized in that, this first cover body and the second cover body are the member with radiating fin.

5. lighting device according to claim 3, is characterized in that, this first cover body and the second cover body are the member with radiating fin.

6. lighting device according to claim 1, is characterized in that, this light-emittingdiode module includes a heat-conducting plate in abutting connection with this conductive sheet, and is provided with circuit board on the side of this heat-conducting plate, and circuit board is provided with light-emittingdiode.

7. according to the lighting device described in any one in claim 2 to 5, it is characterized in that, this light-emittingdiode module includes a heat-conducting plate in abutting connection with this conductive sheet, and is provided with circuit board on the side of this heat-conducting plate, and circuit board is provided with light-emittingdiode.

8. according to the lighting device described in any one in claim 2 to 5, it is characterized in that, the lateral surface of this pedestal is provided with group connecting part.

9. lighting device according to claim 7, is characterized in that, the lateral surface of this pedestal is provided with group connecting part.

10. according to the lighting device described in claim 2 or 4, it is characterized in that, the first cover body and second cover body of this pedestal combine with clip assembly.