Focusing mechanism of LED shadowless lamp
A technology of LED shadowless lamp and shadowless lamp, which is applied to the parts of lighting devices, semiconductor devices of light-emitting elements, medical lighting, etc. , to achieve the effect of convenient movement range, precise focusing and convenient control
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[0012] Specific implementation methods: such as figure 1 As shown, a focusing mechanism of an LED shadowless lamp includes a disk-shaped shadowless lamp holder 5, a focusing drive device is provided at the center of the lamp holder 5, an LED lamp holder 2 is arranged on the lamp holder 5, and a lamp holder 2 is installed inside the lamp holder 5 LED light 1,. Several lamp holders 2 are distributed in a ring shape around the focusing drive device, one end of the lamp holder 2 is hinged to the outer edge of the lamp holder 5, and the other end is movably overlapped on the focusing drive device; The movable end is provided with a pre-tightening spring 3 to cooperate with the lamp holder 5 . The focusing drive device includes an adjusting and rotating lead screw 9 fixed at the center position of the lamp holder 5, one end of the lead screw 9 is connected to the motor 4, and the motor 4 adopts a DC servo stepping motor; The active nut7. The nut 7 is fixedly connected with a conn...
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