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Multi-surface reflector for LED street lamp

A LED street lamp and multi-curved surface technology, applied in the field of reflectors, can solve the problems of difficulty in meeting road surface illumination requirements, small illumination area, and low illumination at the far end, and achieve the goals of reducing lighting power density, improving lighting efficiency, and improving uniformity Effect

Active Publication Date: 2010-09-29
SHANXI GUANGYU LED LIGHTING
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a multi-curved reflector for LED street lamps to solve the shortcomings of the current high-power LED street lamps in terms of light distribution design, such as small irradiation area, low illumination at the far end, and difficulty in meeting road illumination requirements, and improve LED street lamps. The lighting efficiency and the illumination uniformity of the road surface

Method used

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  • Multi-surface reflector for LED street lamp
  • Multi-surface reflector for LED street lamp
  • Multi-surface reflector for LED street lamp

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Embodiment Construction

[0027] The LED street lamp multi-curved reflector structure of the present invention is as follows figure 1 shown. Two continuous parabolic surfaces 4 are provided, and the two parabolic surfaces 4 are mirror symmetrical. A conical surface 1 is provided at a position facing the two parabolic surfaces 4 . The conical curved surface 1 and the two parabolic curved surfaces 4 are connected together by two narrow connecting parts 3 to form a continuous closed multi-curved reflector ring. The lower part of the multi-curved reflector is a horizontal section through which the multi-curved reflector can be fixedly mounted on the LED chip base 5, and the LED chips 2 installed on the base 5 are placed in the ring of the multi-curved reflector.

[0028] The positional relationship between the above curved surfaces and between each curved surface and the LED chip is as follows: figure 2 As shown, taking the center point o of the LED chip as the axis, a central axis aa' perpendicular t...

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Abstract

The invention relates to a multi-surface reflector for an LED street lamp, which comprises a conical curved surface and two continuous parabolic curved surfaces in mirror symmetry. The conical curved surface and the two parabolic curved surfaces are integrally connected through a connecting part to form a closed multi-surface reflector ring which is fixedly arranged on a base of an LED chip and used for reflection of light. The multi-surface reflector for the LED street lamp enables luminous angles of the LED street lamp to shift and reasonably distributed in an effective area of a pavement so as to form a light band with even brightness; adjacent light spots do not form a shadow so as to accord with the lighting design requirement of traffic routes; and no matter in irradiation distance or evenness, the LED street lamp has larger promotion than the conventional street lamp.

Description

technical field [0001] The invention relates to a reflector of a lamp, in particular to a reflector applied to an LED street lamp. The reflector of the present invention is composed of a plurality of curved surfaces connected, and is mainly designed for light distribution of integrated packaged high-power LED chips. Background technique [0002] The successful research and development of high-power LED chips has pushed the application of LED lighting from small-area lighting to large-area lighting (headlights, street lights, tunnel lights, square lighting, park lights, etc.). Especially compared with traditional street light sources such as mercury lamps, high-pressure sodium lamps or metal halide lamps, street lights using LED light sources have the advantages of long service life and no need for maintenance. Directional single-sided luminous characteristics can improve the light output efficiency of the lamp. [0003] The light distribution curve of existing LED street l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V7/09F21V7/10F21W131/103F21Y101/02F21Y115/10
CPCY02B20/72
Inventor 许敏乔乾亢锐英
Owner SHANXI GUANGYU LED LIGHTING
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