A heat-driven circulation light pole cooling led street light 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 problems such as high cost, power consumption, and complex structure, and achieve heat-driven cycle The effect of high reliability and low cost
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[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 arranged on the light pole, a part of the return pipe 5 is arranged on the light pole, and the other part is arranged 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 conden...
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