Patent ID: 11940338
Assignee: WISTRON CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  B | IPC B  G

Claim 0:
1. An electric-carrier power-supply device, for use in an electric carrier, the electric-carrier power-supply device comprising:
a piezoresistive sensor;
a battery interface, connected to an on-board battery and receiving power from the on-board battery; and
a power-management unit (PMU), controlling power to a motor of the electric carrier,
wherein a piezoresistive strain gage is disposed between a contact area between the battery interface and the on-board battery, and detects a pressure value of the contact area;
wherein the piezoresistive sensor receives the pressure value detected by the piezoresistive strain gage, and converts the pressure value into a resistance value;
wherein a resistance-value-determination signal is generated by the piezoresistive sensor;
wherein the power-management unit provides power to the motor in response to the resistance-value-determination signal which is determined by the power-management unit as within a safe resistance value range.