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Vibrating reflective efficient energy-saving electro-optic source

An electric light source and reflective technology, applied in the field of electric light sources, can solve the problems of complex structure, influence on lighting effect, difficulty in device processing and debugging, etc., and achieve the effect of saving energy.

Inactive Publication Date: 2008-11-19
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the two existing Chinese patents, three lens groups and two rotating reflective devices are used, and the structure is complex, especially the light beam scattering uses a number of reflective surfaces with the same inclination angle about the axis distributed around the circle, such a device Processing and debugging are more difficult. Due to manufacturing errors and vibration of the motor, the scattering of the beam tends to form several rays instead of overlapping rays, thus affecting the final lighting effect

Method used

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  • Vibrating reflective efficient energy-saving electro-optic source
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Embodiment Construction

[0009] The structural principle and working principle of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0010] see figure 1 , 2, the present invention comprises light source 2, is provided with parabolic surface or conical reflector 1 at the rear side of light source 2, is provided with collimator 3 and cylindrical lens 4 successively in the light path of light source 2, in 4 light paths of cylindrical lens A vibrating mirror 5 is arranged between one focal length and two focal lengths.

[0011] The light source 2 of the present invention forms parallel light through the parabolic or conical reflector 1 and irradiates the collimator 3. The collimator 3 converts the parallel light with a large spot into a parallel light with a small spot and irradiates it on the cylindrical lens 4. The light passes through Cylindrical lens 4 scatters into a unidirectional divergent light beam, from figure 2 It can be seen that...

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Abstract

The invention relates to an energy-saving electric light source .A parabolic or conical reflector is set at the back of light source, and parallel tubes and cylindrical lens are set in sequence on light path of light source. It features setting vibration mirror on light path of cylindrical lens to reflect light beam scattered by the cylindrical lens onto the ground for forming a lighting band, so the low power light source prepared as above can have the same lighting brightness as the existing electric light source with high power.

Description

technical field [0001] The invention relates to an electric light source, in particular to a reflective electric light source. Background technique [0002] At present, electricity consumption for lighting in countries around the world generally accounts for 10% to 20% of the total power generation, and this proportion is still increasing in developing countries. Urban lighting often needs to meet the needs of sufficient brightness, so only urban lighting has to consume a lot of electricity. The energy utilization rate of the current electric light source is not high, especially the power consumption of urban street lighting is particularly large. In order to improve the luminous efficiency, scientists and engineers have carried out a lot of research work and studied various lamps with different principles. At present, most of the research on electric light sources is focused on improving the luminous efficiency to save energy and improve the effect of the lighting environm...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V13/00F21V17/00F21V5/04F21V7/06
Inventor 徐海波张晶
Owner XI AN JIAOTONG UNIV