LED electric torch
A technology of LED flashlight and LED lamp, which is applied in the field of flashlight, can solve the problems of circuit short circuit, flashlight flickering, unfavorable heat dissipation, etc., and achieve the effect of avoiding short circuit and compact internal structure
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[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0021] An LED flashlight, including an LED lamp 1, a metal barrel body 2, a control circuit board and a dry battery 3, a metal sleeve 9 is arranged inside the metal barrel body 2, and the control circuit board includes a first PCB circuit board 4 and a second PCB circuit board 5. The periphery of the first PCB circuit board 4 is provided with a negative wiring 6, and the middle of the first PCB circuit board 4 is provided with a positive wiring (not shown in the figure), and the components 7 of the control circuit are arranged on the second PCB circuit board 5, The high-power LED lamp 1 is arranged on the aluminum substrate 17 , the aluminum substrate 17 seals one end of the metal sleeve 9 , and the edge of the aluminum substrate 17 is in close contact with the inner wall of the metal sleeve 9 . The LED lamp 1 is connected to the control circu...
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