Patent ID: 11888469
Assignee: GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 6:
7. The power device according to claim 6, wherein the first voltage output sub-circuit comprises:
a latch and step-down circuit, connected to the first switch tube and the second switch tube,
a first switching module, connected to the latch and step-down circuit and a power supply respectively, and
a latch circuit, connected to the third switch tube,
wherein:
when the third switch tube is not turned on, the latch circuit is configured to control an action of the first switching module to take a voltage of the power supply as an output voltage of the first voltage output sub-circuit; and
when the third switch tube is turned on, the latch circuit is configured to control an action of the first switching module to take an output voltage of the latch and step-down circuit as an output voltage of the first voltage output sub-circuit.