CN201007449Y

CN201007449Y - Lamp with LED as light source

Info

Publication number: CN201007449Y
Application number: CNU2007201064379U
Authority: CN
Inventors: 诸建平
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-06
Filing date: 2007-02-06
Publication date: 2008-01-16
Anticipated expiration: 2017-02-06

Abstract

The utility model discloses a lamp apparatus considering a light-emitting diode (LED) as the light source. The LED lamp apparatus comprises a LED end product, a light conversion material, a transparent element and an outer casing. The light conversion material is fixed on the surface of the transparent element, and the transparent element is fixed on the outer casing around the LED end product. The light conversion material is not contacted with the LED end product, which avoids the LED end product affecting the light conversion material as high temperature, thus the light conversion material has stable performance and is uneasy to age.

Description

A kind of is the light fixture of light source with LED

Technical field

The utility model relates to a kind of lighting device, and referring in particular to a kind of is the light fixture of light source with LED.

Technical background

Light emitting diode (light emitting diode abbreviates LED as), it is as the light source of a new generation, has energy-saving and environmental protection, an advantage such as the life-span is long, light efficiency is high, radiationless, shock resistance, and this all is that conventional light source is incomparable.

At present, the LED light fixture has begun to rise on the market, though light fixture specification, shape and color etc. is of a great variety, the heat dissipation problem of LED and optical problem but affect the application and the popularization of LED light fixture always.

Aspect heat radiation, problem mainly concentrates on the lamp applications of great power LED.Because only some is converted into luminous energy to the electric energy of input, remaining all is converted into heat energy, is not therefore having under the good heat radiating condition, and it is very high that the temperature of LED can reach, and directly has influence on its service life and light decay.Wherein especially in present white light LEDs, mainly be by applying yellow light-converting materials such as fluorescent material at the blue led chip surface, after the blue light that the blue led chip sends excites by fluorescent material, produce another kind of exciting light, with original blue light together, send a kind of white light of similar natural daylight.Like this, though you produce and process simply, light-converting materials such as fluorescent material are subjected to the temperatures involved of led chip easily, are more prone to aging, cause the optical attenuation of LED.

Aspect optics, especially adopt the light fixture of plurality of LEDs.Because LED is as a kind of spot light, therefore its brightness height is easy to generate and dazzles optical phenomenon and light pollution.In the time of in plurality of LEDs is installed in same light fixture, the colour temperature inconsistency of each LED, the whole colour temperature that mixes also just has deviation.In addition, during the plurality of LEDs illumination, occur ghost phenomena easily, especially in the application of LED street lamp, cause the visual error of people easily.

Summary of the invention

The utility model is at the deficiencies in the prior art, and providing a kind of is the light fixture of light source with LED.To achieve these goals, the measure taked of the utility model is: this LED light fixture is made up of LED finished product, light-converting material, Transparent Parts, shell.Described Transparent Parts surface is fixed with described light-converting material, Transparent Parts be fixed on the shell and be positioned at the LED finished product around.Wherein the LED finished product is a packaged complete product, and in the groove and jack of shell, the heat that can effectively LED be produced conducts to support and shell by the support close-fitting for it.Transparent Parts then is fixed on the shell, is positioned at around the LED, but does not contact with LED.Surface in Transparent Parts is fixed with light-converting material, especially Transparent Parts one side around LED.Light-converting material is a kind of mixture that contains fluorescent material.Because light-converting material does not contact with LED, isolate mutually, therefore more be not vulnerable to the influence of LED high temperature, performance is more stable, is difficult for aging.When especially adopting blue-ray LED, the absorption of the light-converting material by the Transparent Parts surface is sent the exciting light of another kind of wavelength and blue light that original LED sends and is mixed together the white light that sends similar daylight.

The utility model has been because light-converting material and LED finished product less than contact, have avoided light-converting material to be subjected to the influence of LED finished product high temperature, and the performance of light-converting material is more stable like this, difficult wearing out.

Optically, the utility model can be fixed a plurality of LED in the enclosure according to the needs of brightness.Owing to be all by the light-converting material on the same lens, therefore can increase the light-emitting area of light source, its colour temperature has better uniformity, also ghost phenomena can not occur.

The utility model can utilize the helicitic texture of bottom directly to be fixed on the heat abstractor of light fixture in use, is not subjected to the restriction of quantity, size, position, makes up arbitrarily.In maintenance,, very simple because it is simple in structure, only need carry out simple substitution to broken parts.On processing and fabricating, easier formation industrialization processing.

Described light-converting material is a kind of mixture that contains fluorescent material.

Described light-converting material is fixed on Transparent Parts surface one side around the LED.

The material of described Transparent Parts is glass, resin, acryl, polypropylene (the English PC of abbreviation) or polystyrene (the English PS of abbreviation).

Described shell is a monolithic construction.

Described case surface is provided with radiator structure.

Described shell is provided with helicitic texture with respect to the other end periphery of rim of a cup.

The material of described shell is at least a in aluminium, zinc, copper, aluminium alloy, the composite.

The rim of a cup inwall of described shell is provided with reflector layer.

The support of described LED is cylindrical shape and is provided with stationary plane.

Description of drawings

Fig. 1 is the three-dimensional structure diagram of the utility model embodiment

Fig. 2 is the generalized section of the utility model embodiment

Fig. 3 is the direction stereochemical structure exploded view of the utility model embodiment

Fig. 4 is the other direction stereochemical structure exploded view of the utility model embodiment

The specific embodiment

As shown in Figure 1, the overall appearance of the shell 4 of present embodiment is a Lamp cup shape structure.Outer surface at rim of a cup is provided with fin 46, and for transverse horizontal distributes, when making, fin can also be for vertically distributing or random distribution certainly; And the size of rim of a cup with highly also can change according to different needs and purposes.Periphery at relative rim of a cup one end is provided with screw thread 47, and it mainly acts on is that present embodiment is fixed on other the object, for example other heat abstractor.

Fig. 2 is the profile of present embodiment.We can be clearly seen that it mainly is made up of Transparent Parts 1, light-converting material 2, LED finished product 3, shell 4 from figure.Wherein shell 4 is an all-in-one-piece structure, is provided with a reflector layer 41 at the inwall of its rim of a cup, can effectively increase the light emission rate of light.Shell 4 can adopt the die casting straight forming when making, also can carry out it is carried out back processing after its appearance moulding again.Because shell 4 adopts the integral type design, can better give play to the heat conduction and the heat dispersion of metal, this stability and light decay to LED finished product 3 has great function.

At Fig. 2, we can also see among Fig. 3, and LED finished product 3 is fixed in the jack 45 of shell 4 by its support close-fitting, and fill highly heat-conductive material in the slit of its close-fitting, and it can better be derived heat, pass to shell 4.Light-converting material 2 then is fixed on Transparent Parts 1 surface of LED finished product 3 one sides, makes light-converting material 2 in absorption and excitation source, self also can be good at being protected.Lead is welded on by wire guide 43 on the pcb board of LED finished product 3, and the electrode of LED finished product 3 is drawn.At last, 1 of Transparent Parts is fixed on by its pin 11 in the lens opening 44 of shell 4.Wherein, Transparent Parts 1 can also be selected different shapes and material for use according to the needs of the output brightness of not sharing the same light, angle and distance etc.Transparent Parts 1 surface is fixed with described light-converting material 2, Transparent Parts 1 be fixed on the shell 4 and be positioned at LED finished product 3 around.

Clearly in the drawings, light-converting material 2 does not contact with LED finished product 3, has so just avoided light-converting material 2 to be subjected to the influence of LED finished product 3, makes the performance of light-converting material 2 more stable, is difficult for aging.

Fig. 3,4 is respectively two rightabout exploded views of present embodiment.As we know from the figure, very simple of its structure only need be fixed on LED finished product 3 in the groove of shell 4 because in the slot 45 and the supports of LED finished product 3 all be provided with fixed pan, so the fixed position of LED3 and lamp housing 4 is determined.After installing LED finished product 3, with lead the electrode of LED finished product 3 is drawn, again the transparent body 1 is fixed in the lens jack 44 of shell 4 by its pin 11, get final product.

Present embodiment after the light-converting material by the Transparent Parts surface absorbs, sends the exciting light of another kind of long wave and the blue light of original blue-ray LED finished product and is mixed together when adopting the blue-ray LED finished product, can send the white light of similar daylight.

Present embodiment can utilize the helicitic texture of bottom directly to be fixed on the heat abstractor of light fixture in use, is not subjected to the restriction of quantity, size, position, makes up arbitrarily.Has formation industrialization processing simple in structure, easy to make, easier.

Claims

1. one kind is the light fixture of light source with LED, include LED finished product, light-converting material, Transparent Parts, shell, it is characterized in that described Transparent Parts surface is fixed with the described light-converting material that contains fluorescent material, Transparent Parts be fixed on the shell and be positioned at the LED finished product around.

2. according to claim 1 a kind of be the light fixture of light source with LED, it is characterized in that described light-converting material is a kind of mixture that contains fluorescent material.

3. according to claim 1 and 2 a kind of be the light fixture of light source with LED, it is characterized in that described light-converting material is fixed on Transparent Parts surface one side around the LED.

4. according to claim 1 a kind of be the light fixture of light source with LED, the material that it is characterized in that described Transparent Parts is glass, resin, acryl, PS or PC material.

5. according to claim 1 a kind of be the light fixture of light source with LED, it is characterized in that described shell is a monolithic construction.

6. according to claim 5 a kind of be the light fixture of light source with LED, it is characterized in that described case surface is provided with radiator structure, can horizontal, vertical or random distribution.

According to claim 5 or 6 described a kind of be the light fixture of light source with LED, it is characterized in that described shell is provided with helicitic texture with respect to the other end periphery of rim of a cup.

8. according to claim 5 a kind of be the light fixture of light source with LED, the material that it is characterized in that described shell is at least a in aluminium, zinc, copper, aluminium alloy, the pottery.

9. according to claim 5 a kind of be the light fixture of light source with LED, it is characterized in that the rim of a cup inwall of described shell is provided with reflector layer.