CN205101891U

CN205101891U - LED bulb lamp

Info

Publication number: CN205101891U
Application number: CN201520919410.6U
Authority: CN
Inventors: 林诚聚; 曹亮亮; 曾茂进; 傅明燕; 李琛; 叶和木
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2015-11-18
Filing date: 2015-11-18
Publication date: 2016-03-23
Anticipated expiration: 2025-11-18

Abstract

The utility model provides a LED bulb lamp, includes bulb shell, light source board and lamp holder, and on this lamp holder was located to the bottom cover of this bulb shell, this light source board set up in this bulb shell, still includes the heat -conducting piece, and the top of this lamp holder is provided with the connecting seat, and this heat -conducting piece sets up on this connecting seat, and this light source board sets up in the top and this heat -conducting piece hot link of this heat -conducting piece, the bottom inside wall of this bulb shell and the lateral wall hot link of this heat -conducting piece. This LED bulb lamp has simple structure, the good advantage of heat dissipation.

Description

LEDbulb lamp

Technical field

The utility model relates to field of LED illumination, particularly a kind of LEDbulb lamp.

Background technology

At present, LED is widely used at lighting field, but the radiating effect of LED directly has influence on the life-span of LED, becomes an important problem.The product of the incandescent lamp as an alternative of the LEDbulb lamp on market today, in outward appearance, texture and original incandescent lamp still have larger gap, existing LED adopts light source connection metal or ceramic heat sink to dispel the heat usually, often needs to arrange the larger radiator of volume to improve radiating effect.

Such as authorized announcement date is on 01 08th, 2014, the patent No. be 201320366140.1 Chinese utility model patent namely disclose a kind of high-efficiency heat radiating LED modulated structure.The utility model provides a kind of high-efficiency heat radiating LED modulated structure, it comprises lamp holder, shell and be arranged on the lampshade of its lower end, in shell, LED light source plate is installed, the upper surface of described shell is provided with connection plane, the center of this plane offers connecting hole, the stand tube of fixed drive circuit is fixed by snap in this connecting hole, be arranged with some convective tank outside described connecting hole and connecting hole tangent, the screwed pipe on lamp holder and stand tube top is spirally connected fixing, described lamp holder is provided with conical flow guiding cover and is connected plane with shell upper end and docks, the lower surface of described kuppe offers some air channels.Although this high-efficiency heat radiating LED modulated structure can reach good radiating effect, but still need to arrange the larger shell with thermolysis of volume, make whole lamp body long-pending comparatively large, complex structure, adds weight and the cost of LED bulb.

Utility model content

In view of this, be necessary to provide that a kind of structure is simple, good LEDbulb lamp of dispelling the heat.

The technical solution adopted in the utility model is: a kind of LEDbulb lamp, comprise bulb housing, light source board and lamp holder, the bottom cover of this bulb housing is located on this lamp holder, this light source board is arranged in this bulb housing, also comprise heat-conducting piece, the top of this lamp holder is provided with Connection Block, and this heat-conducting piece is arranged on this Connection Block, this light source board be arranged at the top of this heat-conducting piece and this heat-conducting piece thermally coupled, the bottom inside wall of this bulb housing and the lateral wall of this heat-conducting piece thermally coupled.

Compared with prior art, this LEDbulb lamp is by arranging this heat-conducting piece, the heat that this LED light source plate produces can be delivered on this heat-conducting piece, simultaneously, make the lateral wall of the bottom of this bulb housing and this heat-conducting piece thermally coupled, add the contact surface that heat transmits, like this, the heat that this LED light source plate is produced to be delivered to timely on this bulb housing by this heat-conducting piece thus to be dispersed into space outerpace, avoid causing heat radiation phenomenon not in time and reduce service life of these LED chip, making this LEDbulb lamp have the good advantage of heat radiation.In addition, compared with the whole lamp of the larger radiator of traditional employing, this LEDbulb lamp is by being set on the lateral wall of this heat-conducting piece by the bottom of this bulb housing, and outward appearance is closer to traditional incandescent lamp, and structure is more simple.

Accompanying drawing explanation

Fig. 1 is the exploded view of the utility model LEDbulb lamp first embodiment;

Fig. 2 is the profile after the assembling of the utility model LEDbulb lamp first embodiment;

Fig. 3 is the exploded view of the utility model LEDbulb lamp second embodiment;

Fig. 4 is the profile after the assembling of the utility model LEDbulb lamp second embodiment;

Description of reference numerals:

10 bulb housing 20 light source boards

30 lamp holder 40 heat-conducting pieces

Bottom 50 securing members 11

31 Connection Block 32 screw socket lamp housings

41 fin 411 light output grooves

51 side rings

Detailed description of the invention

Below by way of specific embodiment, the utility model is elaborated:

Embodiment one:

Fig. 1 is the exploded view of the utility model LEDbulb lamp first embodiment, this LEDbulb lamp comprises bulb housing 10, light source board 20 and lamp holder 30, the bottom cover of this bulb housing 10 is located on this lamp holder 30, and this light source board 20 is arranged in this bulb housing 10, and this bulb housing 10 was hemisphere bubble shell structure.Also comprise heat-conducting piece 40, this heat-conducting piece 40 is made up of metal material, this light source board 20 be arranged at the top of this heat-conducting piece 40 and this heat-conducting piece 40 thermally coupled, first, the heat that this light source board 20 produces can be delivered on this heat-conducting piece 40.

Please refer to Fig. 1, the top of this lamp holder 30 is provided with Connection Block 31, and this heat-conducting piece 40 is arranged on this Connection Block 31.In the present embodiment, the bottom of this heat-conducting piece 40 is arranged at the top of this Connection Block 31 and this lamp holder 30 forms power supply cavity, is provided with driving power in this power supply cavity.The bottom of this lamp holder 30 is provided with screw socket lamp housing 32, this screw socket lamp housing 32 is made up of metal material, this Connection Block 31 is made up of Heat Conduction Material, this Connection Block 31 simultaneously with this screw socket lamp housing 32 and this heat-conducting piece 40 thermally coupled, make a part of heat on this heat-conducting piece 40 can be delivered on this Connection Block 31, be further dispersed into space outerpace by this Connection Block 31.This Connection Block 31 and this bulb housing 10 are by ultrasonic bonds.In the present embodiment, this Connection Block 31 is provided with connecting hole 311, also comprise screw (not shown), these screws are through the connecting hole 311 li being attached to this Connection Block 31 after this light source board 20 and this heat-conducting piece 40, this heat-conducting piece 40 is spacing to be fixed between this light source board 20 and this Connection Block 31, and to be fixed on this Connection Block 31 by this heat-conducting piece 40, this light source board 20 is fixed on this heat-conducting piece 40.

Wherein, bottom 11 madial wall of this bulb housing 10 and the lateral wall of this heat-conducting piece 40 thermally coupled.Concrete, the bottom 11 of this bulb housing 10 is made up of elastomeric material, the bottom 11 of this bulb housing 10 is flexibly socketed on the lateral wall of this heat-conducting piece 40, makes the heat on this heat-conducting piece 40 be delivered on the bottom 11 of this bulb housing 40, is further dispersed into space outerpace by this bulb housing 10.

Please refer to Fig. 1, in the present embodiment, also comprise securing member 50, this securing member 50 comprises side ring 51, this side ring 51 is provided with fluting 511 and makes this side ring 51 have elasticity, the side ring 51 of this securing member 50 is sheathed on the lateral wall of this heat-conducting piece 40, and the bottom inside wall of this bulb housing 10 to be pressed on this side ring 51 and thermally coupled with this side ring 51.Like this, this side ring 51 is between the bottom 11 of this heat-conducting piece 40 and this bulb housing 10, due to the elastic reaction of this side ring 51, the bottom 11 of this bulb housing 10 can contact with this heat-conducting piece 40 closely, and the heat on this heat-conducting piece 40 can be delivered on this bulb housing 10 by this securing member 51 faster.

In the present embodiment, this LEDbulb lamp is by arranging this heat-conducting piece 40, the heat that this LED light source plate 20 produces can be delivered on this heat-conducting piece 40, simultaneously, make the bottom 11 of this bulb housing 10 thermally coupled with the lateral wall of this heat-conducting piece 40, add the contact surface that heat transmits, like this, the heat that this LED light source plate 20 is produced to be delivered to timely on this bulb housing 10 by this heat-conducting piece 40 thus to be dispersed into space outerpace, avoid causing heat radiation phenomenon not in time and reduce service life of these LED chip, making this LEDbulb lamp have the good advantage of heat radiation.In addition, compared with the whole lamp of the larger radiator of traditional employing, this LEDbulb lamp is by being set on the lateral wall of this heat-conducting piece 40 by the bottom 11 of this bulb housing 10, and outward appearance is closer to traditional incandescent lamp, and structure is more simple.

Embodiment two:

Please refer to Fig. 3, Fig. 4, Fig. 3 is the exploded view of the utility model LEDbulb lamp second embodiment, be with the difference of the first embodiment, this securing member 50 is not set in this enforcement, the lateral wall of this heat-conducting piece 40 protrudes and is provided with multiple fin 41, these fins 41 abut with the bottom inside wall of this bulb housing 10 and form multiple light output groove 411, this light source board 20 makes the light of bulb housing 10 can enter these light output grooves 411 within being positioned at these light output grooves 411, and pass through the bottom outlet of this bulb housing 10, the brightness of the bottom 11 of this bulb housing 10 can be increased like this, and the heat on this heat-conducting piece 40 is delivered on this bulb housing 10 by these fins 41.In addition, in this enforcement, the top of this Connection Block 31 is set to hollow cylindrical configuration, thermally coupled with this Connection Block 31 on the top that this heat-conducting piece 40 is sheathed on this Connection Block 31, is provided with driving power in this Connection Block 31.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the utility model protects.

Claims

1. a LEDbulb lamp, comprise bulb housing, light source board and lamp holder, the bottom cover of this bulb housing is located on this lamp holder, this light source board is arranged in this bulb housing, it is characterized in that: also comprise heat-conducting piece, the top of this lamp holder is provided with Connection Block, and this heat-conducting piece is arranged on this Connection Block, this light source board be arranged at the top of this heat-conducting piece and this heat-conducting piece thermally coupled, the bottom inside wall of this bulb housing and the lateral wall of this heat-conducting piece thermally coupled.

2. LEDbulb lamp according to claim 1, is characterized in that: the bottom of this bulb housing is made up of elastomeric material, is socketed on the lateral wall of this heat-conducting piece the bottom resilient of this bulb housing.

3. LEDbulb lamp according to claim 1, it is characterized in that: this Connection Block is provided with connecting hole, also comprise screw, described screw is through being attached in the connecting hole of this Connection Block after this light source board and this heat-conducting piece, and this heat-conducting piece is spacing to be fixed between this light source board and this Connection Block.

4. LEDbulb lamp according to claim 1, is characterized in that: this Connection Block is made up of Heat Conduction Material, the part bottom this bulb housing and the lateral wall of this heat-conducting piece thermally coupled, the another part bottom this bulb housing and the lateral wall of this Connection Block thermally coupled.

5. LEDbulb lamp according to claim 2, is characterized in that: the bottom of this heat-conducting piece is arranged at the top of this Connection Block and this lamp holder forms power supply cavity, is provided with driving power in this power supply cavity.

6. LEDbulb lamp according to claim 2, is characterized in that: the bottom of this lamp holder is provided with screw socket lamp housing, and this screw socket lamp housing is made up of metal material, and this Connection Block is made up of Heat Conduction Material, this Connection Block simultaneously with this screw socket lamp housing and this heat-conducting piece thermally coupled.

7. LEDbulb lamp according to claim 1, it is characterized in that: the lateral wall of this heat-conducting piece protrudes and is provided with multiple fin, described fin abuts with the bottom inside wall of this bulb housing and forms multiple light output groove, and this light source board makes the light of bulb housing can enter this light output groove within being positioned at described light output groove.

8. LEDbulb lamp according to claim 1, it is characterized in that: also comprise securing member, this securing member comprises side ring, this side ring is provided with fluting and makes this side ring have elasticity, the side ring of this securing member is sheathed on the lateral wall of this heat-conducting piece, and the bottom inside wall of this bulb housing to be pressed on this side ring and thermally coupled with this side ring.

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

10. LEDbulb lamp according to claim 2, is characterized in that: this bulb housing was hemisphere bubble shell structure.