Highpower light emitting diode light fixture with heat being eliminated by superconductive heat pipe

A technology of light-emitting diodes and superconducting heat pipes, applied in semiconductor devices, light sources, electric light sources, etc. The effect of longevity

Inactive Publication Date: 2007-12-26
常州东村电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the greater the input power of the LED lamp, the higher the temperature rise inside the lampshade, and the higher the junction temperature of the P / N junction of the LED. Modern research results show that the light output efficiency of the LED decreases by 1% for every 1 degree of temperature increase. , because the interior of the lamp is sealed, the heat accumulated by several LEDs emitting light in it cannot be dissipated, which makes the LED chip and packaging material deteriorate early
The excellent characteristics of high light extraction efficiency and long working life of LED lamps cannot be effectively utilized

Method used

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  • Highpower light emitting diode light fixture with heat being eliminated by superconductive heat pipe

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Embodiment 1

[0016] Embodiment 1: As shown in accompanying drawing 1, the high-power light-emitting diode light fixture of the present invention heat-dissipating by superconducting heat pipes consists of a lamp housing 1, a lampshade 2, several W-class high-power LED unit lamps 3, superconducting heat pipes 4 and Composed of constant current power supply 6, each W-level high-power LED unit lamp 3 is fixedly installed in the lamp housing 1 through a superconducting heat dissipation tube 4, the upper end of the superconducting heat dissipation tube 4 is screwed on the inner wall of the lamp housing 1, and the lower end It is fixed together with the heat dissipation bottom plate 7 of the W-class high-power LED unit lamp 3, and the constant-current power supply 6 is installed in the lamp housing 1, and each W-class high-power LED unit lamp 3 is electrically connected to the constant-current power supply 6, and the lampshade 2 and The lamp housing 1 is hermetically connected and integrated.

[...

Embodiment 2

[0018] Embodiment 2: As shown in accompanying drawing 2, the high-power LED light fixture of the present invention heat-dissipating by superconducting heat pipes consists of lamp housing 1, lampshade 2, several W-class high-power LED unit lamps 3, superconducting heat pipes 4, heat dissipation Composed of structure 5 and constant current power supply 6 (not shown in the figure), each W-level high-power LED unit lamp 3 is fixedly installed in the lamp housing 1 through a superconducting heat pipe 4, and the upper end of the superconducting heat pipe 4 is screwed on On the inner wall of the lamp housing 1, a heat dissipation structure 5 is added on the outer surface of the lamp housing 1. In this example, it is a heat sink. The current power source 6 is installed in the lamp housing 1, and each W-level high-power LED unit lamp 3 is electrically connected to the constant current power source 6, and the lampshade 2 and the lamp housing 1 are hermetically connected as one.

[0019]...

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Abstract

This invention relates to a large power LED lamp radiated by a superconduct radiation tube including a lamp shell, a lampshade, large LED unit lamps of W stage and a superconduct radiation tube, in which each LED unit lamp is fixed on the lamp shell by the superconduct radiation tube to transfer and radiate heat generated by the LED to lower the temperature of the LED itself so as to secure light emitting efficiency and life time of the LED.

Description

technical field [0001] The invention belongs to the technical field of application of light-emitting diodes, in particular to high-power light-emitting diode lamps. Especially suitable for airports, railway stations, city squares, road lighting, tunnel lighting, outdoor landscape lighting, floodlights, railway signal lights, navigation lights, etc. Background technique [0002] With the start of semiconductor lighting projects in Japan, European and American countries and my country, high-power light-emitting diode (hereinafter referred to as LED) chip and packaging technology has moved from 1W, 3W to 5W, and watt-level LEDs with luminous efficiency > 40LM / W have formed industrialization. Through the use of lamps composed of dozens or even hundreds of W-class high-power LEDs, the total luminous flux can meet the requirements of some lighting occasions. In our country, semiconductor road lighting demonstration projects in some cities are also being launched. However, ther...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S4/00F21V29/00F21K9/20F21V29/51F21V29/74F21Y115/10
Inventor 周鸣放
Owner 常州东村电子有限公司
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