CN205331857U

CN205331857U - LED bulb lamp

Info

Publication number: CN205331857U
Application number: CN201521068293.3U
Authority: CN
Inventors: 林运南; 李琛; 曾茂进; 林诚聚; 叶和木; 杨小明
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2015-12-18
Filing date: 2015-12-18
Publication date: 2016-06-22
Anticipated expiration: 2025-12-18

Abstract

The utility model provides a LED bulb lamp, including the bulb shell, be equipped with the light source board of LED light source, the lamp holder, the top formation cavity of this lamp holder is fixed in to the bottom of this bulb shell, the inside wall of this lamp holder is equipped with internal thread portion, still include the heat -conducting piece, the lateral wall bottom of this heat -conducting piece is equipped with external screw thread portion, this heat -conducting piece is through this external screw thread portion and the hot link of the accordant connection of this internal thread portion realization with this lamp holder, the top protrusion of this heat -conducting piece sets up in this bulb shell, this light source board set up in the top of this heat -conducting piece and with this heat -conducting piece hot link. This LED bulb lamp has radiating efficiency height, simple structure's advantage.

Description

LEDbulb lamp

Technical field

This utility model relates to field of LED illumination, particularly a kind of LEDbulb lamp。

Background technology

The application of existing LED lamp is more and more extensive, and LED light source operationally, can give out substantial amounts of heat, and power is more big, and the heat distributed is more many, considers produced hyperthermia and superheating phenomenon during to LED light source work, it is necessary to reach the purpose of auxiliary heat dissipation in conjunction with radiator。At present, LEDbulb lamp is typically equipped with radiator auxiliary heat dissipation, but the flowing of existing radiator heat-dissipation process air is relatively fewer, and radiating effect meets the requirements not yet。In addition, the light source board of LEDbulb lamp is as being arranged in heat radiator body, then luminous scope does not reach the requirement of all-round light, if and light source board raises and installs, luminous scope increases, and the distance of light source board and heat radiator body strengthens, and radiating effect is substantially reduced, it is unfavorable for the reduction of LED light source junction temperature, very easily causes LED light source to lose efficacy or affect the use safety of light fixture。At present, if LEDbulb lamp wants the profile reaching similar conventional incandescent, it is necessary to considering the heat dissipation problem of LED light source, the life-span being otherwise easily caused LED bulb is not long。

Utility model content

In view of this, it is necessary to the LEDbulb lamp of a kind of radiating efficiency height, simple in construction is provided。

The technical solution adopted in the utility model is: a kind of LEDbulb lamp, including bulb housing, it is provided with the light source board of LED light source, lamp holder, the bottom of this bulb housing is fixed on the top of this lamp holder and is formed cavity, the medial wall of this lamp holder is provided with internal thread part, also include heat-conducting piece, it is provided with external thread part bottom the lateral wall of this heat-conducting piece, this heat-conducting piece is connected, with this internal thread part coupling, the thermally coupled realized with this lamp holder by this external thread part, the top of this heat-conducting piece is protruded and is arranged in this bulb housing, this light source board be arranged at this heat-conducting piece top and with this heat-conducting piece thermally coupled。

Compared with prior art, this LEDbulb lamp be provided with heat-conducting piece, this light source board is arranged at this heat-conducting piece top, this heat-conducting piece adopts with this lamp holder threadeds, the heat that LED light source on this light source board produces can effectively outwards be dispelled the heat by this heat-conducting piece and lamp holder, effectively takes away the heat that this light source board produces, thus greatly reducing the temperature of LED light source, improve the radiating efficiency of the whole lamp of this LEDbulb lamp, extend the service life of this LEDbulb lamp。

Accompanying drawing explanation

Fig. 1 is the three-dimensional exploded view of the LEDbulb lamp of this utility model first embodiment。

Fig. 2 is the generalized section after LEDbulb lamp shown in Fig. 1 assembles。

Fig. 3 is the generalized section that LEDbulb lamp shown in Fig. 1 assembles another angle of tailing edge。

Description of reference numerals:

10 bulb housing 20 light source boards

30 lamp holder 40 heat-conducting pieces

50 drive plate 60 insulating cylinder

70 screw 21LED light sources

22 perforation 31 internal thread parts

41 external thread part 412 slots to make way

43 second through hole 51 wires

61 first through hole 62 first insulated rings

63 second insulated ring 100LED bulb lamps

Detailed description of the invention

Fig. 1 is the three-dimensional exploded view of the LEDbulb lamp of this utility model first embodiment。This LEDbulb lamp 100 includes bulb housing 10, is provided with the light source board 20 of LED light source 21, lamp holder 30。The bottom of this bulb housing 10 is fixed on the top of this lamp holder 30 and is formed cavity, and the medial wall of this lamp holder 30 is provided with internal thread part 31。This bulb housing 10 was hemisphere bubble shell structure。The top of the bottom of this bulb housing 10 and this lamp holder 30 is by heat-conducting glue thermally coupled。

Refer to Fig. 1 to Fig. 3, this LEDbulb lamp 100 also includes heat-conducting piece 40, and this heat-conducting piece 40 is tubular shell structure, and the bottom of this heat-conducting piece 40 is provided with opening。External thread part 41 it is provided with bottom the lateral wall of this heat-conducting piece 40, this heat-conducting piece 40 is connected, with this internal thread part 31 coupling, the thermally coupled realized with this lamp holder 30 by this external thread part 41, the top of this heat-conducting piece 40 is protruded and is arranged in this bulb housing 10, this light source board 20 be arranged at this heat-conducting piece 40 top and with this heat-conducting piece 40 thermally coupled。This heat-conducting piece 40 is made up of metal material。

Wherein, also include driving plate 50, this driving plate 50 is arranged in this heat-conducting piece 40, also include wire 51, one end of these wires 51 electrically connects with this driving plate 50, the other end of these wires 51 passes the bottom of this heat-conducting piece 40, and the other end of these wires 51 is held between the medial wall of this lamp holder 30 and the lateral wall of this heat-conducting piece 40 and contacts formation with this lamp holder 30 electrically connects。The external thread part 41 of this heat-conducting piece 40 is provided with slot to make way 412, and the other end of these wires 51 is contained in this slot to make way 412。

Wherein, also including insulating cylinder 60, this insulating cylinder 60 is set in the periphery of this driving plate 50, and this heat-conducting piece 40 is set in the periphery of this insulating cylinder 60。This driving plate 50 is formed buffer action by this insulating cylinder 60。

Wherein, also include screw 70, this light source board 20 is to being provided with perforation 22 by screw 70, the end face of this insulating cylinder 60 and the end face of this heat-conducting piece 40 are to being provided with the first through hole 61 and the second through hole 42 by screw 70, this screw 70 is fixed sealed to this light source board 20, heat-conducting piece 40 and insulating cylinder 60 through this perforation 22, first through hole 61 and the second through hole 42, the end face of this insulating cylinder 60 protrudes around this first through hole 61 and is provided with the first insulated ring 62, this the first insulated ring 62 correspondence stretches in this second through hole 42, so that screw 70 and this heat-conducting piece 40 insulate。The top of this first insulated ring 62 is integrally formed with the second insulated ring 63, and the perforation 22 that this second insulated ring 63 correspondence stretches into this light source board 20 is interior so that screw 70 and light source board 20 insulate。

In sum, this LEDbulb lamp 100 be provided with heat-conducting piece 40, this light source board 20 is arranged at this heat-conducting piece 40 top, this heat-conducting piece 40 adopts with this lamp holder 30 threadeds, the heat that LED light source 21 on this light source board 20 produces can effectively outwards be dispelled the heat by this heat-conducting piece 40 and lamp holder 30, effectively take away the heat that this light source board 20 produces, thus greatly reducing the temperature of LED light source 21, improve the radiating efficiency of this whole lamp of LEDbulb lamp 100, extending the service life of this LEDbulb lamp 100, radiator structure is simple。Additionally, this light source board 20 is arranged at the top of this heat-conducting piece 40 and extend in this bulb housing 10 so that this LED light source 21 can illuminate this whole lamp of LEDbulb lamp 100, and similar with traditional electric filament lamp in appearance, tailored appearance, manufacturing process is relatively easy。By arranging this first insulated ring 62 and this second insulated ring 63, heat-conducting piece that this can be made up of metal material 40 can be electrically insulated completely with the driving plate 50 in this insulating cylinder 60 and come, guarantee between driving plate 50 and light source board 20 completely insulated, will not be short-circuited。

The above is only preferred embodiment of the present utility model, and not in order to limit this utility model, any those skilled in the art are without departing from, in this programme technical scope, working as the technology contents utilizing above-mentioned exposure as the Equivalent embodiments that few modifications is equal change。In every case for departing from technical solutions of the utility model content, according to this utility model technical spirit to any amendment made for any of the above embodiments, equivalent replacement, improvement etc., should be included within the scope of this utility model protection。

Claims

1. a LEDbulb lamp, including bulb housing, it is provided with the light source board of LED light source, lamp holder, the bottom of this bulb housing is fixed on the top of this lamp holder and is formed cavity, the medial wall of this lamp holder is provided with internal thread part, it is characterized in that: also include heat-conducting piece, it is provided with external thread part bottom the lateral wall of this heat-conducting piece, this heat-conducting piece is connected, with this internal thread part coupling, the thermally coupled realized with this lamp holder by this external thread part, the top of this heat-conducting piece is protruded and is arranged in this bulb housing, this light source board be arranged at this heat-conducting piece top and with this heat-conducting piece thermally coupled。

2. LEDbulb lamp according to claim 1, it is characterised in that: this heat-conducting piece is tubular shell structure, and the bottom of this heat-conducting piece is provided with opening。

3. LEDbulb lamp according to claim 1, it is characterized in that: also include driving plate, this driving plate is arranged in this heat-conducting piece, also include wire, one end of described wire electrically connects with this driving plate, the other end of described wire passes the bottom of this heat-conducting piece, and the other end of described wire is held between the medial wall of this lamp holder and the lateral wall of this heat-conducting piece and contacts formation with this lamp holder electrically connects。

4. LEDbulb lamp according to claim 3, it is characterised in that: the external thread part of this heat-conducting piece is provided with slot to make way, and the other end of described wire is contained in this slot to make way。

5. LEDbulb lamp according to claim 3, it is characterised in that: also including insulating cylinder, this insulating cylinder is set in the periphery of this driving plate, and this heat-conducting piece is set in the periphery of this insulating cylinder。

6. LEDbulb lamp according to claim 5, it is characterized in that: also include screw, this light source board is to being provided with perforation by screw, the corresponding described screw of the end face of the end face of this insulating cylinder and this heat-conducting piece is provided with the first through hole and the second through hole, this screw is fixed sealed to this light source board, heat-conducting piece and insulating cylinder through this perforation, the first through hole and the second through hole, the end face of this insulating cylinder protrudes around described first through hole and is provided with the first insulated ring, and described first insulated ring correspondence stretches in described second through hole。

7. LEDbulb lamp according to claim 6, it is characterised in that: the top of this first insulated ring is integrally formed with the second insulated ring, and the perforation that this second insulated ring correspondence stretches into this light source board is interior so that screw insulate with light source board。

8. LEDbulb lamp according to claim 1, it is characterised in that: the bottom of this bulb housing and the top of this lamp holder are by heat-conducting glue thermally coupled。

9. LEDbulb lamp according to claim 1, it is characterised in that: this heat-conducting piece is made up of metal material。

10. LEDbulb lamp according to claim 1, it is characterised in that: this bulb housing was hemisphere bubble shell structure。