Anti-dazzle type high-heat-dissipation LED underground lamp
An LED underground lamp, high heat dissipation technology, applied in the direction of shading, light source, electric light source, etc., can solve the problem of glare heat dissipation, and achieve the effect of ensuring lighting effect, avoiding eye stab injury, and good anti-glare effect.
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Embodiment 1
[0021] like figure 1 As shown, an anti-glare type high heat dissipation LED underground lamp includes an outer casing 1 and an inner casing 2, the inner casing 2 is provided with an LED lamp group 3, and the upper ends of the inner casing 2 and the outer casing 1 are both open , the inner shell 2 is arranged in an inverted truncated cone shape, a flexible annular plate 4 is arranged above the inner shell 2 and the outer shell 1, and the inner and outer rings of the flexible annular plate 4 are respectively fixed with the inner shell 2 and the outer shell 1 connection, the cross section of the flexible annular plate 4 is arranged in an upwardly arched convex shape, a sealed cooling liquid cavity 5 is formed between the inner shell 2, the outer shell 1 and the flexible annular plate 4, and the cooling liquid cavity 5 is filled with cooling liquid, The coolant is water.
[0022] In this embodiment, two light-transmitting plates 6 are fixedly connected to the inner side wall of t...
Embodiment 2
[0029] like Figure 2-3 As shown, the difference between this embodiment and Embodiment 1 is that two sliding plates 11 are slidably connected to the inner side wall of the inner casing 2, and the LED light group 3 is fixedly installed on the upper surface of one of the sliding plates 11, and the two The side wall of the sliding plate 11 is respectively provided with a matching convex block 12 and a groove 13. The convex block 12 is arranged in the groove 13 and is slidably connected with the side wall of the groove 13. The side walls of the groove 13 are fixedly connected, the expansion bag 14 is filled with evaporating liquid, the evaporating liquid is acetone, and the boiling point is 56.2°C. .
[0030] In this embodiment, when the LED lamp group 3 works for a long time and the temperature of the area where the LED lamp group 3 is located is relatively high, the evaporation liquid in the expansion bag 14 evaporates and expands, and pushes the two sliding plates 11 away fro...
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