Bridge radiating device for LED street lamp

A technology for LED street lamps and cooling devices, applied to lighting devices, cooling/heating devices of lighting devices, circuits, etc., to achieve the effects of improved heat conduction and heat dissipation performance, large heat dissipation area, and high heat dissipation efficiency

A technology for LED street lamps and cooling devices, applied to lighting devices, cooling/heating devices of lighting devices, circuits, etc., to achieve the effects of improved heat conduction and heat dissipation performance, large heat dissipation area, and high heat dissipation efficiency

CN101876426AInactive Publication Date: 2010-11-03中置新能源科技发展(上海)有限公司
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  • Bridge radiating device for LED street lamp
  • Bridge radiating device for LED street lamp
  • Bridge radiating device for LED street lamp

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing:

[0015] Such as figure 1 and figure 2 The shown bridge-type LED street lamp cooling device includes a thermally conductive substrate 5 arranged directly under the LED lamp array 3 for heat conduction and a heat dissipation body connected to the thermally conductive substrate 5, and is characterized in that the heat dissipation body includes at least one connection The heat conduction tube 4 of the heat conduction substrate 5 and at least one heat sink 1 set on the heat conduction tube 4; the heat conduction tube 4 is a closed copper tube with a hollow inside, and the inside of the copper tube is a mesh structure, and is equipped with Condensate 2. The condensate 2 is water, methanol or ethanol. The heat conduction pipe 4 of the present invention is a cylinder, a cone or other shapes, and the heat conduction pipe 4 is made of a metal material with a closed surface and a m...

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Abstract

The invention relates to a radiating device, in particular to a bridge radiating device for an LED street lamp. The radiating main body of the bridge radiating device for an LED street lamp comprises a plurality of heat conducting pipes 4 connected with heat conducting substrates 5 and a plurality of radiating fins 1 sheathed on the heat conducting pipes 4. When the LED lamp array is turned on, large heat is generated; the heat is conducted to the radiating fin through the heat conducting substrates and the heat conducting pipes. The radiating fin 1 is a square thin piece and made of aluminum or copper; and a plurality of radiating fins are distributed in parallel, thus the radiating area is large and the radiating efficiency is high. In the invention, heat pipe heat emission is combined with metal material heat emission, the performances of heat conducting and heat emission are greatly improved; and the invention is specifically suitable for heat emission of high power LED light source.

Description

technical field [0001] The invention relates to a heat dissipation device, in particular to a bridge-type LED street lamp heat dissipation device for dissipating heat from LED lamps. Background technique [0002] At present, the illuminants used in street lamps can be mainly divided into three types: halogen bulbs, xenon bulbs and LEDs. In particular, the LED has reached the technical level of high brightness in terms of current technology. However, when the above-mentioned LEDs are to be applied to street lamps, it is still necessary to use multiple LEDs to provide sufficient brightness, which complies with the relevant laws and regulations of street lamps. However, the luminous efficiency of the LED itself only accounts for about 20% of the input energy, and about 80% of the input energy is dissipated as heat, so higher heat energy will be generated in power consumption. When multiple LEDs are applied to street lamps, high heat energy will be generated, and the heat ener...

Claims

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Application Information

Patent Timeline
03 Nov 2010
Publication
CN101876426A
IPC
F21V29/00; H01L23/427; F21Y101/02; F21W131/103; F21V29/51; F21V29/76
CPC
Y02B20/72
Inventors
童东华