CN201428966Y

CN201428966Y - High-power LED illumination lamp light source

Info

Publication number: CN201428966Y
Application number: CN2009201410493U
Authority: CN
Inventors: 刘仲勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-08
Filing date: 2009-07-08
Publication date: 2010-03-24
Anticipated expiration: 2019-07-08

Abstract

A high-power LED illumination lamp light source comprises an LED chip, a base and a lead, wherein the LED chip is mounted on the base, the surface of the LED chip is packaged with silicone, the silicone is integrally cast with the LED chip, the packaged silicone is in ellipse shape or various shapes, and the lead is converged with a bus and then connected to a control power supply. The high-powerLED illumination lamp can completely uniformly emit light without reflection, an emitting angle of the light ranges from 15 degrees to 75 degrees, and then luminous efficiency can be increased to theutmost extent Besides, illuminance of the high-power LED illumination lamp light source is increased over 20% compared with the existing LED light source packaged by common semicircular lenses, and byaid of the high-power LED illumination lamp light source, LED like illumination lamps with high brightness and obvious energy-saving property such as road lamps, projection lamps, tunnel lamps and the like can be assembled.

Description

The high-power LED illuminating lamp light source

Technical field

The utility model relates to a kind of illumination light source, is applicable to LED class lightings such as LED street lamp, LED Projecting Lamp, LED Tunnel Lamp.

Background technology

Everyone knows does not have street lamp, night it is difficult to walk on the way, thus street lamp live night for city or rural people essential, but present most of street lamp adopts halogen tungsten lamp, high-pressure sodium lamp, Halogen lamp LED or the fluorescent lamp etc. of highly energy-consuming, if these lamps are not eliminated, certainly will become the link that the city wastes energy.Thereby solar street light, LED street lamp have become the street lamp product of a new generation.LED street lamp particularly, its effects of energy conservation and environmental protection is more and more widely approved, the LED street lamp of people's invention recently is common single LEDs light source and many integrated LED light sources, many integrated LED light sources are that the LED light tiles is installed on the base plate, use common semicircle lens packages above, the LED street lamp of the semicircle lens light of this band exists in right amount little, directed luminous shortcoming, its lighting angle is about 120, shining the photograph that only forms circle on the ground covers, only cover the part-circular scope of road, and semicircle lens adopt plastics or resin to make mostly, and long-time the use can aging yellowing.Open source literature has been reported some improved LED street lamps in recent years, for example:

1, Chinese patent application number: 200820028864.4, title: areflexia does not have the high light efficiency high-capacity LED of ghost image integral heat dissipation street lamp, open (bulletin) number: CN201173463, apply for (patent right) people: Hu Minhai; Cultivate the address recklessly: B-306, Software Apt., Xibudianzishe District, No.18, Electronics 1 Road, Xian City, Shanxi Province invention (design) people: Hu Minhai; Cultivate recklessly, summary: a kind of areflexia does not have the high light efficiency high-capacity LED of ghost image integral heat dissipation street lamp, comprise the led light source and the control power supply that are located in the street lamp housing, led light source wherein has the heat-radiating substrate that an aluminium base flitch is made, on heat-radiating substrate, be welded with a plurality of led chips with the environment-friendly low-temperature solder(ing) paste, be coated with one deck silica gel matter fluorescent material above the led chip respectively at each and form the LED illuminator, on heat-radiating substrate, be covered with a hemispherical PC lens case outside each illuminator respectively, in the space that PC lens case and illuminator and heat-radiating substrate surround, be filled with the silica-gel lens material, form areflexia high light-emitting rate unit LEDs light source thus, so again by each unit LEDs light source according to areflexia, no ghost image spacing combination dilatation becomes high light efficiency high-capacity LED street lamp.Product has reasonable in design, low, the no ghost image of cost of manufacture, perfect heat-dissipating, advantages such as power consumption is low, optical efficiency is high, light decay reduces, long service life.

2, Chinese patent application number: 200720032949.5, title: do not have the high light efficiency high heat dispersion of baking encapsulation type high-power LED light source open (bulletin) number: CN201081170 applies for (patent right) people: Hu is cultivated; Location, Hu Min Haiti: B-306, Software Apt., Xibudianzishe District, No.18, Electronics 1 Road, Xian City, Shanxi Province invention (design) people: cultivate recklessly; Hu Minhai summary: the high light efficiency high heat dispersion of a kind of nothing baking encapsulation type high-power LED light source, on aluminium base heat-radiating substrate, be welded with a plurality of led chips by tin bismuth silver environment-friendly low-temperature solder(ing) paste rule, on each led chip, all scribble silica gel matter fluorescent material, form the LED illuminator, outside each illuminator, be covered with a hemispherical PC lens case respectively, in the space that lens case and illuminator and heat-radiating substrate surround, be filled with areflexia silica-gel lens material, form areflexia high light-emitting rate unit LEDs light source thus, and then become high light efficiency by each unit LEDs combination of light sources dilatation, high heat dispersion and high-power led light source.This light source can be made into square illuminating lamp, industrial and mineral illuminating lamp, street lamp, subway and airport security illuminating lamp, hospital and hotel with LED light fixture products such as illuminating lamps, has that reasonable in design, cost of manufacture are low, an advantage such as perfect heat-dissipating, optical efficiency height, light decay reduce, long service life.

3, Chinese patent application number: 200720038685.4, title: high-power LED street lamp, open (bulletin) number: CN201074747 applies for (patent right) people: the Sun Yadong address: (design) people: Sun Yadong invents in the general modern electric lighting in No. 106 Changzhou, Yellow River Road, Xinbei District, Changzhou City, Jiangsu Province Group Co.,Ltd; Feng Yaming; Zhuo Peihong, summary: a kind of high-power LED street lamp, it has lamp body, lamp body is made up of integrated heat-radiating substrate and fin, heat-radiating substrate is provided with at least one lamp socket, and great power LED is housed in the lamp socket, between LED and lamp socket heat conductive silica gel is arranged, the LED below is provided with light-passing board, light-passing board and lamp socket sealing and fixing.High-power LED street lamp of the present utility model has solved the difficult problem of heat radiation of existing great power LED, its good heat dissipation effect, and long service life, the luminous efficiency height, range of exposures is big, and LED changes convenient.

4, Chinese patent application number: 200720055668.1 titles: LED street lamp, open (bulletin) number: CN201081112, application (patent right) people: Heshan Lide Electronical Industry Co.,Ltd address: summary: the utility model is a kind of LED street lamp, comprise the LED lamp plate in base and the base, reflector and electronic component, LED lamp plate and electronic component are kept apart placement in base, and base is provided with fin, reflector changes LED light emission angle makes light towards the road surface, the utility model makes the most energy-conservation LED as light source, because LED can produce heat in luminous, therefore LED and electronic component are kept apart, and between lamp plate and base, add heat conductive silica gel, radiating fin is set on base strengthens radiating effect.

5, Chinese patent application number: 200810043995.4, title: a kind of LED road-light light-source with luminous intensity distribution open (bulletin) number: CN101413637, application (patent right) people: Dong Li rosy clouds address: (design) people invent No. 74 in two village in Zhao Zhuan village, Duan Ying township, Funan County, Anhui Province: the gold deer; Dong Lixia; Model is quiet; Diao Wen and; Guo Jinlin, summary: a kind of LED road-light light-source with luminous intensity distribution, form by metal heat conducting base, LED crystal grain array, connection gold thread, positive-negative power flow deflector, fixed support and silica-gel lens etc.Establish LED crystal grain on the metal heat conducting base pit is installed, LED crystal grain is fixed in the metal heat conducting base pit, every group of crystal grain series connection back both positive and negative polarity respectively with both positive and negative polarity bonding wire plate on the terminals welding, the wafer array is encapsulated by silica gel.Be characterised in that this LED road-light light-source has a planar metal thermal conductive surface and two symmetrical light-emitting areas that form an angle, and is symmetrically arranged with the luminous intensity distribution silica-gel lens respectively on two light-emitting areas.Silica-gel lens adopts the method for mold pressing embedding to be fixedly installed on the LED crystal grain array that scribbles fluorescent material on two luminous flat in the fixed support.Two exiting surfaces can be controlled illumination range and effect flexibly according to illumination requirement, the structure (being similar to lens) that the present invention encapsulates silica gel can change the beam projecting angle, thereby obtain desirable hot spot effect, the secondary light-distribution of optical lens of comparing can reduce the loss of light, makes the light extraction efficiency of led light source higher.The popularization and application of this technical products can make the LED street lamp reach and surpass the illuminating effect of conventional road lamp, realizes green illumination truly.

But the led light source of above-mentioned open source literature report all has some defectives usually, for example use common semicircle lens packages, there is in right amount little, directed luminous shortcoming in the LED street lamp of the semicircle lens light of this band, its lighting angle is about 120, shine the photograph that only forms circle on the ground and cover, only cover the part-circular scope of road, be difficult to meet the requirement of high luminous intensity distribution of LED light source for road lamp and high light flux, be difficult to popularization and application, seriously restricted the use prospect of this energy-conserving product.

Summary of the invention

The purpose of this utility model provides a kind of optical efficiency height and adjusts the led light source that rising angle carries out luminous intensity distribution according to character of road, for applying of LED lighting provides powerful guarantee.

In order to overcome above-mentioned LED lighting defective, the utility model for solve that its technical problem adopts technical scheme be:

LED high-power illumination lamp source comprises led chip, base and lead-in wire, and led chip is installed on the base, and the led chip surface encapsulates with silica gel, and silica gel and led chip are injected into one, and lead-in wire converges the control power supply that picks out lighting with bus.

Above-described LED high-power illumination lamp source, base has insulating barrier and metal level, and metal level is used for heat radiation, and insulating barrier is to prevent led chip two terminal shortcircuits.

Above-described LED high-power illumination lamp source, the silica gel of encapsulation is made the shape of column type, calabash shape, ellipse or combination between them, and led chip is made monomer or a plurality of disjunctor respectively.

Above-described LED high-power illumination lamp source, single led light source is to be fixed on the lamp panel of lighting by welding lead.

Above-described LED high-power illumination lamp source, the control power supply of lighting has transforming circuit, constant current and filter circuit, and is identical with the structure and the circuit of existing control power supply.

Above-described LED high-power illumination lamp source, when being assembled into lighting, be that several single led light sources are installed on the lamp panel, constitute LED class lightings such as LED street lamp, LED Projecting Lamp, LED Tunnel Lamp with lampshade, control power supply, switch and lamp bracket assembling back.

Advantage of the present utility model:

1, the silica gel of led chip surface encapsulation and led chip are annotated and are one, rather than as existing led light source, use common semicircle lens damascene packages, it can be exported the light source areflexia equably fully, at utmost improve luminous efficiency, improve more than 20% than the existing led light source illumination of common semicircle lens damascene packages of using.

2, the utility model illuminating lamp light source is applicable to LED class lightings such as LED street lamp, LED Projecting Lamp, LED Tunnel Lamp, when using each led chip is 1 watt-hour, and tens single led combination of light sources can reach the brightness of present 300 watts halogen tungsten lamp or high-pressure sodium lamp.

3, the led chip surface is packaged into column type or disciform structure with silica gel, the emission angle of light is the 15-150 degree, be projected as along the rectilinear direction in road or tunnel, rather than only 120 the degree subranges, if be used for street lamp or Tunnel Lamp etc., can make vertical light obtain better illuminating effect.

Description of drawings

Fig. 1 is the vertical view of LED high-power illumination lamp single source;

Fig. 2 is the left view of LED high-power illumination lamp single source;

Fig. 3 is the front view of LED high-power illumination lamp single source;

Fig. 4 is an enforcement structural representation of making street lamp after several combination of light sources of LED high-power illumination lamp.

The specific embodiment

As shown in Figure 1-Figure 3, single led light source comprises led chip 5, base 3 and goes between 1, led chip 5 is installed on the base 3, led chip 5 surfaces encapsulate with silica gel 4, silica gel 4 is injected into one with led chip 5, the silica gel 4 of encapsulation is made hump type or ellipse, lead-in wire 1 converges to pick out with total circuit controls power supply, base 3 has insulating barrier 3A and metal level 3B, metal level 3B is used for heat radiation, insulating barrier 3A prevents led chip two terminal shortcircuits, and single led light source is to be fixed on the street lamp dish by welding lead 1.

LED large power road lamp is as shown in Figure 4 implemented structure and is made of parts such as lamp body 7, lamp panel 9, single led light source 10 and control power supplys 12, single led light source 10 has several, be fixed on the lamp panel 9 by welding lead 1, lamp panel 9 usefulness screws 8 are installed on the lamp body 7, civil power is received control power supply 12 for 220 volts and receive single led light source 10 by positive and negative binding post 11 respectively behind transforming circuit, constant current and filter circuit, the control power supply has transforming circuit, constant current and filter circuit, and is identical with the structure and the circuit of existing control power supply.After carrying out, whole street lamp can be installed on the road lamp frame in street.

The enforcement structure of other light fixture can copy above-mentioned street lamp to make, and omits explanation here.

Claims

1, a kind of LED high-power illumination lamp source, comprise led chip (5), base (3) and lead-in wire (1), it is characterized in that: led chip (5) is installed on the base (3), led chip (5) surface encapsulates with silica gel (4), silica gel (4) is injected into one with led chip (5), and lead-in wire (1) converges on the control power supply (12) that picks out lighting with bus.

2, LED high-power illumination lamp according to claim 1 is characterized in that: base (3) has insulating barrier (3A) and metal level (3B).

3, LED high-power illumination lamp source according to claim 1, it is characterized in that: the silica gel of encapsulation (4) is made the shape of column type, calabash shape, ellipse or combination between them, and led chip (5) is made monomer or a plurality of disjunctor respectively.

4, LED high-power illumination lamp source according to claim 1 is characterized in that: single led light source (10) is to be fixed on the lamp panel (9) by welding lead (1).

5, LED high-power illumination lamp source according to claim 1 is characterized in that: control power supply (12) has transforming circuit, constant current and filter circuit.

6, LED high-power illumination lamp source according to claim 1, it is characterized in that: when light source is assembled into lighting, be that several single led light sources are installed on the lamp panel (9), constitute the LED lighting with lampshade, control power supply (12), switch and lamp bracket assembling back.