CN202521272U

CN202521272U - Reflecting type LED (light emitting diode) fluorescent lamp tube

Info

Publication number: CN202521272U
Application number: CN2012200031186U
Authority: CN
Inventors: 卢志荣; 黄勇智
Original assignee: Shenzhen Haotian Optoelectronics Co ltd
Current assignee: Shenzhen Haotian Optoelectronics Co ltd
Priority date: 2012-01-02
Filing date: 2012-01-02
Publication date: 2012-11-07
Anticipated expiration: 2022-01-02

Abstract

The utility model discloses a reflecting type LED (light emitting diode) fluorescent lamp tube, comprising a lamp shell, an LED light source and a light emitting shield, wherein the LED light source is fixed in the lamp shell; the light emitting shield is arranged on the lamp shell and used for covering the LED light source; a reflecting groove is formed in the lamp shell; the LED light source is fixed on the bottom of the reflecting groove; and a light emission surface of the LED light source faces to the side wall of the reflecting groove. According to the reflecting type LED fluorescent lamp tube, a reflecting type light emission structure is adopted, so that the situation that LED light rays directly irradiate into human eyes is prevented, therefore the technical defect of glaring in the prior art is eliminated. Meanwhile, the light rays are subjected to the secondary light distribution of the reflecting groove, so that the LED light spots are more uniform, therefore the light emission effect of the LED fluorescent lamp tube can be obviously improved.

Description

A kind of reflection-type LED fluorescent tube

[technical field]

The utility model relates to a kind of fluorescent tube, refers in particular to a kind of reflection-type LED fluorescent tube.

[background technology]

Light emitting diode (LED) has advantages such as higher luminous efficiency, low radiation, low power consumption, life-span length, low driving voltage, startup are quick, environmental protection, antidetonation resistance to compression, light fixture Miniaturizable; Be widely used at present as the lighting device of fluorescent light source with LED, be used for place of gas fluorescence formula fluorescent lamp.

Existing LED fluorescent lamp is usually by the cylindricality light-transmission tube and be installed in the fluorescent tube led light source substrate and form.For the illumination angle and the scattering uniformity that improves the LED fluorescent lamp, the light emitting diode (LED) of multiple row can be installed on the led light source substrate, and in the material of making lampshade, add the light scattering property that diffusion particle increases lampshade.But the LED light in the above-mentioned this LED fluorescent tube all directly sees through light-transmission tube and shoots out, and light pipe is transparent, and human eye directly can be seen the lamp pearl, is easy to generate dazzle.Adopted the fluorescent tube of frosted afterwards, human eye can avoid directly seeing LED lamp pearl, but the defective of dazzle does not still obtain the solution of essence, and the light of LED is direct irradiation people's eyes still, makes the people produce dizzy bad reaction.

[utility model content]

Have the technological deficiency of dazzle to LED fluorescent tube in the prior art, the purpose of the utility model is to provide a kind of reflection-type free from glare LED fluorescent tube.

In order to reach above-mentioned technical purpose; The technical scheme that the utility model is taked is a kind of reflection-type LED fluorescent tube; Comprise lamp housing, be fixed on the led light source in the lamp housing and be installed in the light shield that goes out that covers led light source on the lamp housing; Form a reflection groove in the said lamp housing, said led light source is fixed on the bottom of reflection groove, the sidewall of the exiting surface orientating reflex groove of said led light source.

The LED fluorescent tube of the utility model has adopted the structure of reflective bright dipping, has avoided the light direct irradiation human eye of LED, has eliminated the technological deficiency that has dazzle in the prior art.Because light through the secondary light-distribution of reflection groove, can make the hot spot of LED more even, therefore can obviously improve the light effect that of LED fluorescent tube simultaneously.

Preferably, the sidewall of said reflection groove is the reflecting surface of ripple type.

Preferably, said led light source comprises substrate and is fixed on the plurality of LEDs on the substrate.

Preferably, said led light source is two groups, and is fixed on the bottom of reflection groove back-to-back each other.

Preferably, the substrate of said two groups of led light sources is forming an angle near an end that goes out light shield, and said angle is between 10 °～30 °.

Preferably, said angle is 10 °, 20 ° or 30 °.

Preferably, the bottom of said reflection groove is provided with the holddown groove that installs and fixes said substrate.

Preferably, said LED is a great power LED.

[description of drawings]

Shown in Figure 1 is the external structure sketch map of the utility model;

Shown in Figure 2 is the cross-sectional structure sketch map of the utility model;

Shown in Figure 3 is the structural representation of the utility model lamp housing.

[specific embodiment]

Technical scheme for further detailed elaboration the utility model is elaborated below in conjunction with accompanying drawing.

Like Fig. 1, Fig. 2, shown in Figure 3; The utility model discloses a kind of reflection-type LED fluorescent tube; Comprise lamp housing 1, be fixed in the lamp housing 1 led

light source

21,22 and be installed in cover led

light source

21,22 on the lamp housing 1 go out light shield 4, form a reflection groove 10 in the said lamp housing 1, said led

light source

21,22 is fixed on the bottom of reflection groove 10; The exiting surface of said led

light source

21,22 is sidewall 10a, the 10b of orientating reflex groove 10 respectively, and said led

light source

21,22 is electrically connected with

end cap

51,52.

As shown in Figure 3, the sidewall 10a of the said reflection groove 10 of the utility model, 10b are the reflecting surface of ripple type, so that farthest change the rising angle of reflection ray, reduce total reflection, improve light extraction efficiency.

The said led light source of the utility model is two groups; Be respectively led light source 21 and led light source 22; Said led

light source

21,22 comprises

substrate

20,30 and is fixed on the plurality of

LEDs

31,32 on the

substrate

20,30 that aforementioned

led light source

21,22 is fixed on the bottom of reflection groove 10 each other back-to-back.

The

substrate

20,30 of the said two groups of led

light sources

21,22 of the utility model is forming an angle theta near an end that goes out light shield 4, and said angle theta is between 10 °～30 °, and preferred angle is 10 °, 20 ° or 30 °.

The bottom of the said reflection groove 10 of the utility model is provided with the holddown groove 11,12 that installs and fixes said

substrate

20,30, and said

substrate

20,30 is fixed in the holddown groove 11,12.

The described LED31 of the utility model, the 32 preferred great power LEDs that adopt.

The above only with convenient explanation the utility model, in not breaking away from the creation spirit category of the utility model, knows this technological any simple modification and distortion that personnel did, still belongs to the protection domain of the utility model.

Claims

1. reflection-type LED fluorescent tube; Comprise lamp housing, be fixed on the led light source in the lamp housing and be installed in the light shield that goes out that covers led light source on the lamp housing; It is characterized in that: form a reflection groove in the said lamp housing; Said led light source is fixed on the bottom of reflection groove, the sidewall of the exiting surface orientating reflex groove of said led light source.

2. a kind of reflection-type LED fluorescent tube according to claim 1 is characterized in that: the sidewall of said reflection groove is the reflecting surface of ripple type.

3. a kind of reflection-type LED fluorescent tube according to claim 2 is characterized in that: said led light source comprises substrate and is fixed on the plurality of LEDs on the substrate.

4. a kind of reflection-type LED fluorescent tube according to claim 3 is characterized in that: said led light source is two groups, and is fixed on the bottom of reflection groove back-to-back each other.

5. a kind of reflection-type LED fluorescent tube according to claim 4 is characterized in that: the substrate of said two groups of led light sources is forming an angle near an end that goes out light shield, and said angle is between 10 °～30 °.

6. a kind of reflection-type LED fluorescent tube according to claim 5 is characterized in that: said angle is 10 °, 20 ° or 30 °.

7. according to each described a kind of reflection-type LED fluorescent tube of claim 1 to 6, it is characterized in that: the bottom of said reflection groove is provided with the holddown groove that installs and fixes said substrate.

8. a kind of reflection-type LED fluorescent tube according to claim 7 is characterized in that: said LED is a great power LED.