Patent ID: 11923712
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 5:
6. The apparatus according to claim 1, wherein:
the control circuit comprises a control switch;
a first subterminal of the low-voltage terminal of the DC-DC conversion module is electrically connected to a first electrode of the battery unit;
a first terminal of the control switch is electrically connected to a second subterminal of the low-voltage terminal of the DC-DC conversion module, a second terminal of the control switch is electrically connected to a second electrode of the battery unit and a first electrode of the additional power supply, and a third terminal of the control switch is electrically connected to a second electrode of the additional power supply; and
when the battery unit discharges into the battery formation apparatus, the first terminal of the control switch is not connected to the second terminal of the control switch, and the first terminal of the control switch is connected to the third terminal of the control switch.