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Novel laser street lamp

A laser and street lamp technology, applied in the field of lighting, can solve problems such as high cost, and achieve the effects of controllable cost, simple production process and simple structure

Inactive Publication Date: 2017-07-11
JIANGXI SCI & TECH NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

2. Compared with LED light source, laser light source is more expensive

Method used

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  • Novel laser street lamp
  • Novel laser street lamp
  • Novel laser street lamp

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Experimental program
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Embodiment Construction

[0028] The embodiments will be described in detail below in conjunction with the accompanying drawings.

[0029] See attached figure 1 to attach Figure 6 , a new type of laser street lamp, including a lamp housing 1, a heat dissipation baffle 2, a laser lighting module 3 and a light-transmitting mask 4, the lamp housing 1 and the heat dissipation baffle 2 are combined to form a cavity, and the heat dissipation baffle 2 and The light-transmitting mask 4 is connected, and one or more laser lighting modules 3 are arranged under the light-transmitting mask 4; the laser lighting module 3 includes an optical device 31 and a bracket 32, and the optical device 31 is fixed on the bracket 32; the optical device 31 includes a laser light source 311, a collimating lens 312, a focusing lens 313, a phosphor film 314, a secondary light distribution element TIR lens 315 and a diffractive optical element fixed on the bracket 32 ​​from bottom to top 316.

[0030] Further, the collimator len...

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Abstract

The invention provides a novel laser street lamp which comprises a lamp shell, a radiating baffle, a laser lighting module and light transmitting face covers. The lamp shell and the radiating baffle are combined to form a cavity, the radiating baffle is connected with the light transmitting face cover, and one or more laser light modules is / are arranged below the light transmitting face cover. The laser lighting module comprises an optical device and a support, and the optical device is fixed to the support. The optical device comprises a laser light source, a collimating lens, a focusing lens, a fluorescent powder film, a secondary grading element TIR lens and a diffraction optical element which are sequentially arranged on the support from bottom to top. The novel laser street lamp is simple in structure, attractive, elegant, easy to maintain and controllable in cost; in addition, the luminous energy loss is greatly reduced, the efficiency for solar energy utilization is high, the directivity is good, the exposure distance is long, the production technology is simple, and the actual lighting requirement can be well met.

Description

technical field [0001] The invention belongs to the technical field of lighting, and in particular relates to a novel laser street lamp. Background technique [0002] With the widespread application of light emitting diodes (Light Emitting Diode, LED) and laser diodes (Laser Diode, LD), lighting devices that use fluorescence generated by laser-excited phosphor powder as a light source are gradually becoming popular. Laser lighting devices that use lasers to excite phosphors to generate white light have also been further developed. Although LED has the advantages of long life, energy saving and environmental protection. However, white LEDs that use GaN blue chips as excitation devices have the problems of light decay, low photoelectric conversion efficiency, and unstable light color, and their light emission direction is not directional, which belongs to Lambertian light emission. As a new generation of phosphor excitation light source, laser has the advantages of stable li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S8/00F21V19/00F21V13/12F21V5/04F21V9/16F21V17/10F21W131/103F21Y115/30
CPCF21S8/00F21V5/04F21V9/30F21V13/12F21V17/10F21V19/001F21W2131/103
Inventor 刘国栋郭宇星邓丽军
Owner JIANGXI SCI & TECH NORMAL UNIV
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