CN202118578U

CN202118578U - LED bulb with high radiating efficiency

Info

Publication number: CN202118578U
Application number: CN2011201566808U
Authority: CN
Inventors: 陈桂兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-17
Filing date: 2011-05-17
Publication date: 2012-01-18
Anticipated expiration: 2021-05-17

Abstract

The utility model discloses an LED bulb with high radiating efficiency, including a lamp cap, a heat radiating lamp socket fixed on the lamp cap, a circuit board provided on the heat radiating lamp socket and an LED light emitting source installed on the circuit board; a power supply controller is mounted in the heat radiating lamp socket; the power supply controller and the heat radiating lamp socket are isolated by an insulation sleeve; and the power supply controller is electrically connected with the circuit board and the lamp cap. The LED bulb has good radiating efficiency, high light-emitting efficiency and reasonable structure.

Description

A kind of LED bulb of high cooling efficiency

Technical field

The utility model relates to a kind of LED bulb, especially relates to a kind of LED bulb of high cooling efficiency.

Background technology

LED is a kind of semiconductor that can electric energy be converted into visible light, it changed the incandescent lamp tungsten filament luminous with the luminous principle of energy-saving fluorescent lamp tricolor powder, and adopt electroluminescence, have long, numerous advantages such as light efficiency is high, radiationless and low-power consumption of life-span.Along with the proposition of " energy-conservation " and " green illumination " theory, LED is incorporated in the lighting as light source gradually.

At present, the light emitting source that normal lighting light fixtures such as daily bulb, desk lamp are adopted is main for it with incandescent lamp bulb or fluorescent tube basically, yet; The electro-optical efficiency of white bulb and fluorescent lamp tube is all lower; And its heat is big, and service life is short, generally only has about 3000 hours.Because the significant advantage of LED; Also occurred some on the market with the bulb of LED as light source, these bulbs only are to form at the peripheral directly sheathed lampshade of LED, have influenced the light extraction efficiency of LED; And its radiating effect is not good, has shortened the service life of light fixture greatly.The LED bulb that has also occurred follow-on high cooling efficiency recently; Disclosed like Chinese patent 200420083451.8 " LED lighting device " is the lighting device of light source with a plurality of low power LED that is installed on the LED lamp plate; The brightness of this low-power LED a little less than; Light efficiency is lower, and light decay does not comparatively fast reach the requirement of normal illumination.And the LED bulb of Chinese patent 200620013512.2 disclosed high cooling efficiencies, if it adopts great power LED is light source, its radiator will be less than normal so, can not well solve heat dissipation problem.

The utility model content

The utility model technical problem to be solved provides the LED bulb of a kind of good heat dissipation effect, light extraction efficiency high cooling efficiency high and rational in infrastructure.

The utility model is to solve above-mentioned technical problem through following technical proposals: a kind of LED bulb of high cooling efficiency; It is characterized in that: comprise lamp holder, be fixed on heat radiation lamp socket on the lamp holder, be arranged on the heat radiation lamp socket power on the road plate, be installed in the LED light emitting source on the said circuit board; In said heat radiation lamp socket, power-supply controller of electric is installed; Separate through insulation sleeve between said power-supply controller of electric and the said heat radiation lamp socket, said power-supply controller of electric is electrically connected with said circuit board and lamp holder.

Optimal way also is provided with a fixture between said heat radiation lamp socket and lamp holder, an end of said fixture is connected with said heat radiation lamp socket, and the other end of fixture is installed on the said lamp holder.

Optimal way also is set with the metal lamp housing that increases heat radiation in the outside of said heat radiation lamp socket, and said metal lamp housing is fixed on the said fixture.

Optimal way, said heat radiation lamp socket is horn-like, and the outer wall of heat radiation lamp socket is arranged at intervals with the radiating fin that increases area of dissipation.

Optimal way, be equipped with on the said heat radiation lamp socket one be used to cover the LED light emitting source lampshade, said lampshade is fixed on the said heat radiation lamp socket.

Optimal way, described power-supply controller of electric is provided with light adjusting circuit.

The utility model with prior art beneficial effect mutually is: because the circuit board of LED light emitting source is installed is to be fixed on the heat radiation lamp socket, and the radiating efficiency that can accelerate the LED bulb is set like this, improves the service life of LED bulb greatly.The LED bulb structure of this high cooling efficiency is reasonable, light extraction efficiency is high, long service life, can replace the incandescent lamp and the fluorescent lamp of system illumination.The LED bulb of the high cooling efficiency that the utility model provided; The LED light emitting source is arranged on the metallic aluminium matter heat radiation lamp socket; And, not only make the good looking appearance of bulb, and can give security for the heat radiation of LED at the lamp housing that the increase of heat radiation lamp socket overcoat dress is dispelled the heat; The overhead Position Design of LED makes the emission of luminous energy wide angle, makes illuminating effect more near conventional lamp.

The LED bulb of this high cooling efficiency not only can be supplied with the transformation constant current through giving the power supply of LED light emitting source at the power-supply controller of electric of set inside, can also realize the third gear light modulation.In addition; The utility model has not only been considered the insulation of electronic component and lamp housing radiating piece in the inner chamber design; Also between power-supply controller of electric and insulation sleeve, reserved very big inner space, to guarantee that product can be through various tests, particularly Hi-pot test; Through repeatedly experiment, the utility model product can be through the test of 4000V AC.

Description of drawings

Just the utility model is described further with implementing below in conjunction with accompanying drawing:

Fig. 1 is the decomposition texture sketch map of the utility model.

Fig. 2 is the floor map of the utility model;

Fig. 3 is the cutaway view of the utility model;

The specific embodiment

Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to specify the technical scheme of the utility model.

With reference to accompanying drawing 1, Fig. 2, shown in Figure 3; The utility model comprises lamp holder 5, be fixed on heat radiation lamp socket 2 on the lamp holder 5, be arranged on circuit board 8 on the heat radiation lamp socket 2, be installed in the LED light emitting source 9 on the said circuit board 8; In said heat radiation lamp socket 2, power-supply controller of electric 6 is installed; Separate through insulation sleeve 7 between said power-supply controller of electric 6 and the said heat radiation lamp socket 2, said power-supply controller of electric 2 is electrically connected with said circuit board 8 and lamp holder 5.Between said heat radiation lamp socket 2 and lamp holder 5, also be provided with a fixture 4, an end of said fixture 5 is connected with said heat radiation lamp socket 2, and the other end of fixture 4 is installed on the said lamp holder 5.Also be set with the metal lamp housing 3 that increases heat radiation in the outside of said heat radiation lamp socket 2, said metal lamp housing 3 is fixed on the said fixture 4.Said heat radiation lamp socket 2 is horn-like, and the outer wall of heat radiation lamp socket 2 is arranged at intervals with the radiating fin 21 that increases area of dissipation.Be equipped with on the said heat radiation lamp socket 2 one be used to cover LED light emitting source 9 lampshade 1, said lampshade 1 is fixed on the said heat radiation lamp socket 2.Described power-supply controller of electric 6 is provided with light adjusting circuit.Said LED light emitting source 9 can adopt the great power LED light emitting source, and its quantity can be one or two, also can be a plurality of.Foregoing circuit plate 8 can adopt modes such as screw or bonding to be fixed on the top of heat radiation lamp socket 2, and the form setting that is used to protect the lampshade 1 of LED light emitting source 9 also can adopt perhaps to be spirally connected with lamp socket 2 snappings that dispel the heat above it.Heat radiation lamp socket 2 is designed to horn-like, convexes with the radiating fin 21 that increases area of dissipation on its outer wall, can increase area of dissipation, improves radiating efficiency.The heat radiation lamp socket also is set with metal lamp housing 3 outward, and the metal lamp housing is not only decorated lamp body but also can be guaranteed heat radiation.Metal lamp housing 3 bottoms have long cubic hole, and pilot hole is arranged at top, provide the power-supply controller of electric 6 of constant current to be installed in metal lamp housing 3 and the heat radiation lamp socket 2 through pilot hole for LED light emitting source 9, and are connected with the circuit board 8 on heat radiation lamp socket 2 tops.The heat that produces for the work that guarantees the LED light emitting source effectively distributes, and heat radiation lamp socket 2 all selects for use good heat-conducting to process with metal shell 3, can be aluminium, aluminium alloy, copper etc.Consider the insulation between power-supply controller of electric 6 and heat radiation lamp socket 2 and the metal lamp housing 3; Columned plastic cement insulation sleeve 7 on power-supply controller of electric 6 outerwrap; Reserved very big inner space at power-supply controller of electric 2 and 7 of insulation sleeves like this; Can guarantee product through various tests, particularly Hi-pot test, the LED bulb of present embodiment high cooling efficiency can be through the test of 4000V AC.

Illuminating effect for the LED bulb that improves this high cooling efficiency; On power-supply controller of electric, be provided with light adjusting circuit; Light adjusting circuit adopts existing ripe circuit, and light adjusting circuit is used to control the electric current of supply LED light emitting source 9 or the variation of voltage, thereby realizes the luminous bright degree of LED.The circuit board of installing on power-supply controller of electric 6 upper ends and the heat radiation lamp socket 28 is connected, and the lower end is to be connected with lamp adapter assembly.For the ease of promoting the use of, the lamp holder 5 of the LED bulb of this high cooling efficiency can be selected the existing general lamp holder of incandescent light bulb, the for example lamp holder of E27 lamp holder or other standards for use.

During assembling; Earlier power-supply controller of electric 6 is packed in the insulation sleeve, and fix, then insulation sleeve 7 is inserted in the thermal louver pedestal 2; To dispel the heat again lamp socket 2, metal lamp housing 3 together is fastened on the fixture 4, and it is fixing then lamp holder 5 encapsulations to be dashed the some position again after coating viscose glue on the fixture 4.After lamp holder 5 fixed, the fixture that will connect LED light emitting source 9 again was fixed to heat radiation lamp socket 2 tops with screw, put on a lampshade at last 1 to get final product.

The above in the spiritual category that does not break away from the utility model creation, is familiar with the protection domain that this technological various simple covert and modification that those skilled in the art did still belongs to the utility model only with the convenient the utility model of explaining.

Claims

1. the LED bulb of a high cooling efficiency; It is characterized in that: comprise lamp holder, be fixed on heat radiation lamp socket on the lamp holder, be arranged on the heat radiation lamp socket power on the road plate, be installed in the LED light emitting source on the said circuit board; In said heat radiation lamp socket, power-supply controller of electric is installed; Separate through insulation sleeve between said power-supply controller of electric and the said heat radiation lamp socket, said power-supply controller of electric is electrically connected with said circuit board and lamp holder.

2. according to the LED bulb of the said high cooling efficiency of claim 1, it is characterized in that: between said heat radiation lamp socket and lamp holder, also be provided with a fixture, an end of said fixture is connected with said heat radiation lamp socket, and the other end of fixture is installed on the said lamp holder.

3. according to the LED bulb of the said high cooling efficiency of claim 2, it is characterized in that: also be set with the metal lamp housing that increases heat radiation in the outside of said heat radiation lamp socket, said metal lamp housing is fixed on the said fixture.

4. according to the LED bulb of the said high cooling efficiency of claim 3, it is characterized in that: said heat radiation lamp socket is horn-like, and the outer wall of heat radiation lamp socket is arranged at intervals with the radiating fin that increases area of dissipation.

5. according to the LED bulb of the said high cooling efficiency of claim 4, it is characterized in that: be equipped with on the said heat radiation lamp socket one be used to cover the LED light emitting source lampshade, said lampshade is fixed on the said heat radiation lamp socket.

6. according to the LED bulb of each said high cooling efficiency of claim 1～5, it is characterized in that: described power-supply controller of electric is provided with light adjusting circuit.