CN203718410U

CN203718410U - Novel LED bulb with heat radiation structure

Info

Publication number: CN203718410U
Application number: CN201320541374.5U
Authority: CN
Inventors: 杨华; 楼永伟
Original assignee: ZHEJIANG GUANGHUI LIGHTING ELECTRONICS Co Ltd
Current assignee: ZHEJIANG GUANGHUI LIGHTING ELECTRONICS Co Ltd
Priority date: 2013-09-03
Filing date: 2013-09-03
Publication date: 2014-07-16
Anticipated expiration: 2023-09-03

Abstract

The utility model provides an LED bulb 1. The bulb 1 comprises an insulating resin shell 13, an LED module 11, a resin lamp holder 14, a lamp foot 173, a lens 15, a resin cover 12 and a driving power supply 17, wherein the LED module 11 is mounted at the large-diameter edge (the edge of one side of a lamp shaft of the LED bulb 1) of one side of the insulating resin shell 13; the resin lamp holder 14 is mounted at the small-diameter edge of the other side of the shell and has insulativity; the lamp foot 173 is mounted at the hollow position in the lamp holder of the insulating resin shell; the lens 15 covers the LED module 11, is mounted at the edge of one side of the shell 13 and has a function of light emergent angles; the resin cover 12 is mounted between the lens 15 and the shell 13; the driving power supply 17 is positioned between the LED module 11 and the lamp holder 14 and is arranged in the insulating resin shell 13.

Description

A kind of LED bulb of radiating structure

Technical field

The utility model relates to a kind of LED illuminating lamp of bulb type, especially a kind of with light-emitting component, has the lamp of universal lamp lamp holder.

Background technology

In recent years, with the semi-conductive practicality of high-brightness luminous, turn to opportunity, carried out utilizing and take lamp that LED is light source and carry out the trial of replacing halogen lamp.General halogenic lamps and lanterns is standby: bowl-shape reflector; Luminous tube, fixes by the protuberance being positioned on the optical axis of reflecting surface; And lamp holder (MR16/GU10), and the heater winding having in the inside of this luminous tube is electrically connected to and is arranged in protuberance.

The LED light fixture that substitutes this Halogen lamp LED has same structure: bowl-shape reflector, and lamp holder (MR16/GU10), LED light source is arranged on the wiring board of the bowl-shape reflector first half, in its underpart and the top of lamp holder be built-in with the circuit of lighting LED light source.

Therefore, traditional Halogen lamp LED lighting, can be used LED lamp equally.

General Halogen lamp LED power is all larger, because the environment using requires high for brightness of illumination, for the LED lamp that substitutes it, need equally high brightness, this power that just need to increase LED lamp causes the maximization of drive circuit simultaneously, can not be in the Lamp cup of equal size stored drive circuit, if will fill little this circuit, will cause appearance and size strengthen and cannot in general light fixture, use LED lamp.

Summary of the invention

For solving the problems of the technologies described above, the utility model provides a kind of LED bulb of radiating structure.

The utility model solves the technical scheme that its technical problem adopts:

A kind of LED bulb (1), is characterized in that, comprising: illuminating module (11), has the luminous component of even a plurality of LED light-emitting components of circle distribution (112) on a side of substrate (111), and be pasted with part driving components and parts; Radiating copper sheet (16), there is matrix part, one lateral edges of described matrix part can contact with the LED (112) on described substrate (111) in heat conduction, and a side that is arranged on this matrix part has 2 columned boss, and a lateral edges is set to flat, to have tapering thin-walled; Lens (15), are by high temperature resistant, and the resin ejection formed of best bright finish forms, and have coniformly, and its large footpath side end is positioned at the open side of insulating resin shell, and its path side end covers LED device.

Preferably, driving power (17) is trapezoidal shape distribution.

Preferably, described substrate (111) is the epoxy resin board with double-sided copper-clad, one side mounts LED light-emitting component (112) and part drives components and parts (172), and under LED light-emitting component (112) and pad pin, the another side of substrate (111) is assigned radiating copper sheet (16).

Advantage of the present utility model

1. by the setting of described radiating copper sheet, effectively the heat of LED is directly derived.

2. the separate configuration of drive circuit, also can keep the appearance and size of former Halogen lamp LED by lamp circuit miniaturization effectively.

3. described in, housing is by resin ejection formed, has insulating properties and surface temperature not high, and the human body of can not burning when changing lamp body, and inner hollow and extraneous air formation convection current distribute the heat of LED rationally and effectively.

4. outward appearance is succinct, simple in structure, easy for installation.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is front view of the present utility model.

Fig. 2 is blast structural map of the present utility model.

Fig. 3 overlooks the top view of housing and illuminating module from a side of Fig. 1.

Fig. 4 is illuminating module of the present utility model and fin side view.

Fig. 5 is illuminating module of the present utility model and fin explosive view.

Fig. 6 is the structural map of the utility model heat radiation and drive circuit.

1.LED bulb

11.LED module

12. resin caps

13. insulating resin shells

14. lamp holders

15. lens (resin or glass)

16. radiating copper sheet

17. driving powers

111.LED substrate

112.LED light-emitting component

131. housing ventilation slots

161. radiating copper film perforations

171. drive substrate

172. drive components and parts

173. lamp base

The specific embodiment

For further setting forth the utility model, be to reach technological means and the effect that predetermined object is taked, below in conjunction with accompanying drawing, to the bulb type LED lamp according to the utility model proposes, its specific embodiment, structure, feature and effect thereof, be described in detail as follows.

As shown in Figures 1 to 6, the 1st, LED bulb, this LED bulb 1 comprises: insulating resin shell 13, be arranged on the LED module 11 at these insulating resin shell 13 1 edges, the large footpath of side (lateral edges of the lamp axle of LED bulb 1), be arranged on the resin lamp holder 14 that this housing opposite side path edge has insulating properties, be arranged on the lamp base 173 (MR16/GU10) at the inner hollow place of this insulating resin shell lamp holder 14, cover the LED module lens 15 with light shooting angle function 11 and that be arranged on housing 13 1 lateral edges, be arranged on the resin cap 12 between lens 15 and housing 13, and between LED module 11 and lamp holder 14, be accommodated in the driving power 17 in insulating resin shell 13.

Insulating resin shell 13 is by the splendid resin material ejection formation of heat resistance, middle body is that LED module 11 is installed, in its surrounding, be uniformly distributed some ventilation slots 131, the heat of LED module 11 is conducted in radiating copper sheet 16 simultaneously, and extraneous air flows out ventilation slot 131 through covering 12 hollow spaces that form by shell 13, make the funnel-shaped cross-ventilation of the inner formation of LED bulb 1.

Lens 15 are by high temperature resistant, and the resin ejection formed of best bright finish forms, and have coniformly, and its large footpath side end is positioned at the open side of described housing, and its path side end covers LED device.

At LED module 11, substrate 111LED installed surface is tossed about, and under LED and pad pin, array is assigned radiating copper sheet 16 respectively.

Radiating copper sheet 16, is wide by 4-6mm, and the copper coin of thick 0.5-1mm is stamped to form, and the thermal conductivity factor of copper is 380 left and right.

LED module 11, it has the circular substrate 111 that the material such as the metal materials such as aluminium, pottery or epoxy resin forms, and as a side of this substrate 111, disposes line pattern several LED light-emitting components 112 of circular array surface mount.Several LED elements 112 form connection in series-parallel by Wiring pattern, and are electrically connected to driving power 17 by pad.

Lamp holder 14, can be connected in the lamp for general lighting seat of MR16 or GU10 shape etc., and it is integral injection molding with insulating resin shell 13, and is electrically connected to driving power 17.

Driving power 17, there is the power supply that constant current is provided for the LED light-emitting component 112 of LED illuminating module 11, and the circuit base plate with a plurality of electronic devices and components that forming circuit is installed, this substrate reception is in insulating resin shell 13, lamp holder 14 is electrically connected at the input of driving power 17 by connecting line, the output of driving power is electrically connected in LED substrate 111.

In rear the produced heat of the LED light-emitting component 112 of lighting LED module 11, from assigning into the radiating copper sheet 16 at LED substrate 111 back sides, then via the ventilation slot 131 on housing 13, conduct in air.

The above, only better enforcement case row of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses with preferred embodiment, but be not intended to limit the utility model, any those skilled in the art, do not departing from the technical program, when can utilizing the content of above-mentioned announcement to do a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solutions of the utility model content, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong within the scope of technical solutions of the utility model.

Claims

1. a LED bulb (1), is characterized in that, comprising:

Illuminating module (11), has the luminous component of even a plurality of LED light-emitting components of circle distribution (112) on a side of substrate (111), and is pasted with part driving components and parts;

Radiating copper sheet (16), there is matrix part, one lateral edges of described matrix part can contact with the LED (112) on described substrate (111) in heat conduction, and a side that is arranged on this matrix part has 2 columned boss, and a lateral edges is set to flat, to have tapering thin-walled;

Lens (15), are by high temperature resistant, and the resin ejection formed of best bright finish forms, and have coniformly, and its large footpath side end is positioned at the open side of insulating resin shell, and its path side end covers LED device.

2. LED bulb according to claim 1 (1), is characterized in that:

Driving power (17) is trapezoidal shape and distributes.

3. LED bulb according to claim 1 (1), is characterized in that:

Described substrate (111) is the epoxy resin board with double-sided copper-clad, one side mounts LED light-emitting component (112) and part drives components and parts (172), and under LED light-emitting component (112) and pad pin, the another side of substrate (111) is assigned radiating copper sheet (16).