CN102620172A

CN102620172A - LED bulb

Info

Publication number: CN102620172A
Application number: CN2012100831862A
Authority: CN
Inventors: 李镭
Original assignee: SHENZHEN TIANXIANG SOLAR ENERGY TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: SHENZHEN TIANXIANG SOLAR ENERGY TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2012-03-27
Filing date: 2012-03-27
Publication date: 2012-08-01
Anticipated expiration: 2032-03-27
Also published as: CN102620172B

Abstract

The invention discloses an LED bulb comprising a screw base, a circuit board, a power supply box, a heat radiator, a heat conducting pad and a lamp cap, wherein the lamp cap comprises a mounting seat, a metal plate, an LED light source and a lens; the screw base is arranged outside one end of the heat radiator; the power supply box is arranged inside one end of the heat radiator; the circuit board is arranged in the power supply box; the lamp cap is connected to the other end of the heat radiator through the mounting seat; the metal plate is arranged in a through hole arranged in the center of the mounting seat, and the rear end surface of the metal plate is in contact with the heat radiator through the heat conducting pad; the LED light source is arranged on the front end surface of the metal plate; the screw base is connected with the LED light source through a positive lead wire and a negative lead wire which are led out of the circuit board; and the lens is arranged on the front end surface of the metal plate and used for sealing the LED light source inside. The LED bulb is used for realizing energy-saving illumination in places such as a workshop of a factory, a warehouse and the like requiring large illuminating area and has the advantages of simple structure and good energy-saving effect.

Description

The LED bulb

Technical field

The present invention relates to the LED application, specifically, relate to a kind of LED bulb.

Background technology

The LED lamp has obtained using widely because of its obvious energy-saving effect.Existing LED bulb lamp all is the small light below the 15W; Its profile is to copy traditional incandescent lamp basically, mainly is applicable to the place of the bright area requirements of small-sized photograph such as passageway, corridor, room and desk lamp, and the place that requires for big lighting area such as factory floor, warehouse; Then need the high-power LED bulb lamp; Because the heating of LED bulb is bigger, need rethink heat dissipation problem, and design new structure.

Summary of the invention

The object of the present invention is to provide a kind of LED bulb, to solve the energy-saving illumination problem in the place of lighting area requirement greatly such as factory floor, warehouse.

For reaching this purpose, the present invention adopts following technical scheme:

A kind of LED bulb comprises screw socket, wiring board, power pack, radiator, heat conductive pad and lamp holder, and said lamp holder comprises mount pad, metallic plate, led light source and lens; Said screw socket is arranged on outside the end of said radiator; Said power pack is arranged in the end of said radiator, and said wiring board is arranged in the said power pack, and said lamp holder is through the dismountable other end that is connected said radiator of mount pad; Said metallic plate is installed in the through hole at said mount pad center; And end face contacts with radiator through heat conductive pad thereafter, and said led light source is installed on the front end face of said metallic plate, and the positive and negative lead-in wire that said screw socket is drawn through wiring board is connected with said led light source; Said lens are installed on the front end face of said metallic plate, and in said led light source is enclosed in.

Preferably, said heat conductive pad is the graphite heat conducting pad.

Preferably, said metallic plate is processed by copper or copper alloy.

Preferably; Said radiator comprises heat radiation cage, upper mounting plate, lower installation board; Said heat radiation cage is installed between upper mounting plate and lower installation board, and said screw socket is arranged on the upper surface of upper mounting plate, and said power pack is arranged on the lower surface of upper mounting plate; And be positioned at the heat radiation cage, said mount pad and lower installation board are through being threaded.

Preferably, said heat radiation cage is processed by the thermal magnon heat sink material.

Preferably, the main body of said heat radiation cage is cuboid or cube.

Preferably, said heat radiation cage is formed by a criss-cross wing plate turnover, four jiaos of angle envelopes that also are provided with cylindricality of said heat radiation cage.

Beneficial effect of the present invention is: simple in structure, be easy to make, and good heat dissipation effect, good energy-conserving effect, lamp holder integral body is easy to change and safeguard.

Description of drawings

Fig. 1 is the decomposition texture sketch map of the LED bulb of the embodiment of the invention;

Fig. 2 is the combining structure sketch map of LED bulb heat radiation end shown in Figure 1;

Fig. 3 is the decomposition texture sketch map of LED lamp holder shown in Figure 1;

Fig. 4 and Fig. 5 are the perspective view that is used for the mount pad of the embodiment of the invention;

Among the figure: 1, screw socket; 2, upper mounting plate; 3, power pack; 4, heat radiation cage; 5, angle envelope; 6, lower installation board; 7, heat conductive pad; 8, lamp holder; 81, metallic plate; 82, mount pad; 83, led light source; 84, lens.

The specific embodiment

Below with reference to accompanying drawing and combine embodiment, specify the present invention.

Shown in Fig. 1～5; The LED bulb of the embodiment of the invention; Comprise screw socket 1, wiring board, power pack 3, radiator, heat conductive pad 7 and lamp holder 8, said lamp holder 8 comprises mount pad 82, metallic plate 81, led light source 83 and lens 84, and said screw socket 1 is arranged on outside the end of said radiator; Said power pack 3 is arranged in the end of said radiator; Said wiring board is arranged in the said power pack 3, and said lamp holder 8 adopts screw thread to connect here through mount pad 82 dismountable other ends that are connected said radiator; Said metallic plate 81 is installed in the through hole at said mount pad 82 centers; And end face contacts with radiator through heat conductive pad 7 thereafter; Said led light source 83 is installed on the front end face of said metallic plate 81; The positive and negative lead-in wire that said screw socket 1 is drawn through wiring board is connected with said led light source 83, and said lens 84 are installed on the front end face of said metallic plate 81, and in said led light source 83 is enclosed in.

Preferably, the heat conductive pad 7 of present embodiment is the graphite heat conducting pad.

Heat conduction for the benefit of, heat radiation, preferably, the metallic plate 81 of present embodiment is processed by copper or copper alloy.

Preferably; The radiator of present embodiment comprises heat radiation cage 4, upper mounting plate 2, lower installation board 6; Said heat radiation cage 4 is installed in 6 of upper mounting plate 2 and lower installation boards, and said screw socket 1 is arranged on the upper surface of upper mounting plate 2, and said power pack 3 is arranged on the lower surface of upper mounting plate 2; And be positioned at heat radiation cage 4, said mount pad 82 and lower installation board 6 are through being threaded.

Preferably, the heat radiation cage 4 of present embodiment is processed by the thermal magnon heat sink material.

Preferably, the main body of the heat radiation cage 4 of present embodiment is cuboid or cube.Main body is cuboid or cubical heat radiation cage is easy to make, and spherical relatively heat radiation cage, and area of dissipation is bigger, is more conducive to heat radiation.

Preferably, the heat radiation cage 4 of present embodiment is formed by a criss-cross wing plate turnover, four jiaos of angle envelopes 5 that also are provided with cylindricality of said heat radiation cage 4.

The power of the LED bulb of the embodiment of the invention can arrive 30-60w, has solved the energy-saving illumination problem in the place of big lighting area requirements such as factory floor, warehouse, has simple in structure; Be easy to make; Good heat dissipation effect, good energy-conserving effect, lamp holder integral body is easy to the advantage changing and safeguard.

The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. LED bulb, it is characterized in that: comprise screw socket, wiring board, power pack, radiator, heat conductive pad and lamp holder, said lamp holder comprises mount pad, metallic plate, led light source and lens; Said screw socket is arranged on outside the end of said radiator; Said power pack is arranged in the end of said radiator, and said wiring board is arranged in the said power pack, and said lamp holder is through the dismountable other end that is connected said radiator of mount pad; Said metallic plate is installed in the through hole at said mount pad center; And end face contacts with radiator through heat conductive pad thereafter, and said led light source is installed on the front end face of said metallic plate, and the positive and negative lead-in wire that said screw socket is drawn through wiring board is connected with said led light source; Said lens are installed on the front end face of said metallic plate, and in said led light source is enclosed in.

2. LED bulb according to claim 1 is characterized in that: said heat conductive pad is the graphite heat conducting pad.

3. LED bulb according to claim 1 is characterized in that: said metallic plate is processed by copper or copper alloy.

4. LED bulb according to claim 1; It is characterized in that: said radiator comprises heat radiation cage, upper mounting plate, lower installation board; Said heat radiation cage is installed between upper mounting plate and lower installation board, and said screw socket is arranged on the upper surface of upper mounting plate, and said power pack is arranged on the lower surface of upper mounting plate; And be positioned at the heat radiation cage, said mount pad and lower installation board are through being threaded.

5. LED bulb according to claim 4 is characterized in that: said heat radiation cage is processed by the thermal magnon heat sink material.

6. LED bulb according to claim 4 is characterized in that: the main body of said heat radiation cage is cuboid or cube.

7. LED bulb according to claim 4 is characterized in that: said heat radiation cage is formed by a criss-cross wing plate turnover, four jiaos of angle envelopes that also are provided with cylindricality of said heat radiation cage.