LED (Light Emitting Diode) lamp tube with built-in power supply
A technology of LED lamp tube and power supply, which is applied in the direction of circuit layout, components of lighting devices, cooling/heating devices of lighting devices, etc. Convenience, reduced use of connecting parts, and improved reliability
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[0020] Such as Figure 1 to Figure 4 As shown, an LED lamp tube with a built-in power supply includes a lamp body 1, a lamp holder 3 arranged at both ends of the lamp body 1, and a lamp board 4 and a power supply assembly 5 installed inside the lamp body 1. The lamp body 1 includes a heat-dissipating aluminum profile 6 and the lampshade 7. The lampshade 7 is plugged into the heat-dissipating aluminum profile 6 and configured to form a cavity 8 for installing the lamp board 4. Both ends of the lamp body 1 are provided with a connecting seat 9 for installing the lamp holder 3, and two of the cavity 8 The end opening is sealed by the connecting seat 9 and the lamp cap 3, thereby forming a sealed cavity 8 for installing the lamp board 4 and the power supply assembly 5. The lamp board 4 includes a PCB board 10 and a number of LEDs arranged on the PCB board 10 to emit light Body 11, the end of the PCB board 10 is provided with a mounting portion 12 for mounting the power supply assem...
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