Patent ID: 11923720
Assignee: nan
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 4:
5. The emergency light according to claim 4, wherein the normal lighting control circuit comprises a first integrated chip, the first integrated chip comprises a ground pin, a chip select pin, a high voltage pin, and at least one data din, the ground pin and the overvoltage protection pin are connected a negative terminal of the rectifying circuit and grounded, the high voltage pin is connected a positive terminal of the rectifying circuit via a first inductor, at least one first capacitor is connected between the high voltage pin and ground, the first output terminal is connected to the high voltage terminal, the data pin is connected to the first output terminal via a second inductor and a second capacitor, a third capacitor is connected between a node between the second inductor and the second capacitor and the ground, a positive electrode of a zener diode is connected the node between the second inductor and the second capacitor, and a negative electrode of the zener diode is connected to the first output terminal.