Thermally driven circulation lamp post heat dissipation LED streetlamp provided with two check valves

A LED street lamp, heat-driven technology, applied in cooling/heating devices of lighting devices, lighting and heating equipment, semiconductor devices of light-emitting elements, etc., can solve the problems of high cost, complex structure, power consumption, etc., and achieve low cost, High reliability effect of thermal drive cycle

Active Publication Date: 2014-03-19
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There must be a circulation system to quickly transfer heat. If the pump is used for circulation, it will consume electricity, and the structure is complicated and costly.

Method used

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  • Thermally driven circulation lamp post heat dissipation LED streetlamp provided with two check valves

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Effect test

Embodiment

[0023] Such as figure 1 As shown, a heat dissipation system for a high-power LED street lamp based on a heat-driven cycle with two check valves is composed of an evaporation section 1 , a steam pipe 2 , a condensation section 3 , a liquid storage section 4 and a return pipe 5 . The evaporating section 1, the steam pipe 2, the condensing section 3, the liquid storage section 4 and the return pipe 5 are sequentially connected to form a closed space, wherein the evaporating section 1 is arranged on the lamp cap, the steam pipe 2 is arranged on the connecting bracket 9, and the condensing section 3 and the liquid storage section 4 are both set on the light pole, a part of the return pipe 5 is set on the light pole, and the other part is set on the connecting bracket 8, and the closed space is evacuated and filled with an appropriate amount of fluid. The fluid working medium can be water, methanol, ethanol, various refrigerants, etc. The return pipe 5 and the condensation section ...

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PUM

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Abstract

The invention discloses a thermally driven circulation lamp post heat dissipation LED streetlamp provided with two check valves. The LED streetlamp comprises a lamp post, a first connection support, a second connection support and a lamp cap. One end of the first connection support and one end of the second connection support are respectively connected with the lamp post. The other end of the first connection support and the other end of the second connection support are respectively connected with the lamp cap. A condensation section and a liquid storage section are arranged in the lamp post. The lamp post and the first connection support are internally provided with a backflow pipe. An evaporation section is arranged in the lamp cap. A steam pipe is arranged in the second connection support. One end of the backflow pipe is communicated with the liquid storage section. The other end of the backflow pipe is communicated with the steam pipe through the evaporation section. The steam pipe is communicated with the liquid storage section through the condensation section to form a thermally driven circulation loop. A first check valve is arranged on the condensation section, and a second check valve is arranged on the backflow pipe. Heat produced by the LED streetlamp is transferred to the lamp post to be dissipated, other cooling fins are not required additionally, and the LED streetlamp has the advantages of being low in cost, high in reliability of thermally driven circulation and the like.

Description

technical field [0001] The invention relates to the technical field of LEDs, in particular to a heat-driven cycle light pole heat dissipation LED street lamp with two check valves. Background technique [0002] LED (Light Emitting Diode, called light-emitting diode), which belongs to solid-state light source, has very good energy-saving and environmental protection advantages. Under the same light effect, the energy consumption is only 10-20% of that of incandescent lamps. It is known as "the new lighting source of the 21st century" , has become a research and development hotspot in recent years. Compared with traditional light sources, semiconductor light sources have the advantages of energy saving, high efficiency, small size, long life, fast response, low driving voltage, and anti-vibration. [0003] The mechanism of LED light emission is to generate light by the transition of electrons between energy bands, and its spectrum does not contain the infrared part, so its he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V29/02F21S8/08F21W131/103F21Y101/02F21V29/51F21V29/74F21Y115/10
CPCY02B20/72
Inventor 岑继文王亦伟蒋方明刘培
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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