Patent ID: 11924940
Assignee: STAR MOUNT ENTERPRISE LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 3:
4. The lighting apparatus according to claim 3, wherein a target speed-regulating unit of the at least two speed-regulating units comprises a fourth resistor, a fifth resistor, a first diode, a first triode, a first relay, and a first capacitor,
the first relay comprises a first inductance coil and a first switch,
one end of the fourth resistor is connected to one end of the fifth resistor and the micro-control sub-circuit, the other end of the fourth resistor is connected to a base of the first triode, the other end of the fifth resistor is grounded, a collector of the first triode is connected to an anode of the first diode and one end of the first inductance coil, an emitter of the first triode is grounded, a cathode of the first diode is connected to the other end of the first inductance coil, one end of the first switch is connected to the load motor, the other end of the first switch is connected to one end of the first capacitor, and the other end of the first capacitor is connected to the power supply,
the target speed-regulating unit is any one of the at least two speed-regulating units, and capacitance values of first capacitors in different speed-regulating units are different.