Height-adjustable municipal street lamp
An adjustable and municipal technology, applied in the parts of lighting devices, semiconductor devices of light-emitting elements, cooling/heating devices of lighting devices, etc. Low coefficient and other problems, to achieve the effect of convenient operation, novel design and reasonable structure
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Embodiment 1
[0025] refer to Figure 1~3 , in an embodiment of the present invention, a height-adjustable municipal street lamp includes a fixed base 1, a fixed lamp post 2 is installed in the middle of the upper end of the fixed base 1, and a fixed frame 21 is installed on both sides of the upper end of the fixed lamp post 2, and the fixed frame 21 is additionally One end of the cooling tube 20 is installed, and the bottom of the cooling tube 20 is equipped with a corrugated tube 11. The upper and lower ends of the corrugated tube 11 are respectively sealed with the cooling tube 20 and the lamp housing 8 to prevent external dust and water vapor from entering the inside of the corrugated tube 11. 11 The lamp housing 8 is installed at the bottom, and the circuit board 22 is installed inside the lamp housing 8, and the LED lamp 10 is installed in the middle of the bottom of the circuit board 22. There is a traction steel wire 3, and the end of the traction steel wire 3 is wound on the first ...
Embodiment 2
[0027] In another embodiment of the present invention, the difference between this embodiment and the above embodiment is that a rotating shaft 16 is installed in the middle of the top of the cooling tube 20, and a driving vane 17 is installed at the top of the rotating shaft 16. The rotating shaft 16 is rotated, and the bottom end of the rotating shaft 16 is equipped with cooling vanes 18 for generating airflow inside the cooling tube 20. The top of the cooling tube 20 is provided with a cooling hole 19 for dissipating heat generated by the electrical components inside the cooling tube 20. The heat is exported, and the rotating shaft 16 is fixed on the top of the heat sink 20 through a bearing.
[0028] In the present invention, when the lighting height of the LED lamp needs to be adjusted, the fixed insert handle 7 is loosened, and then the rotating handle 6 is rotated to tighten or tighten the traction steel wire 3, thereby adjusting the height of the LED lamps 10 at both en...
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