Patent ID: 11942808
Assignee: GS YUASA INTERNATIONAL LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. An energy storage apparatus, comprising:
an energy storage device;
a circuit breaker connected in series with the energy storage device;
a reception unit that receives a discharge instruction to discharge remaining electric power of the energy storage device;
a housing for housing the energy storage device, wherein the reception unit receives the discharge instruction from outside the housing in a non-contact manner; and
a management unit, wherein
the management unit executes
protection processing of opening, when a state of charge of the energy storage device drops below a predetermined threshold value, the circuit breaker to protect the energy storage device from overdischarging, and
protection release processing of releasing protection of the energy storage device when the discharge instruction is received by the reception unit, wherein
the reception unit includes
a transmission part that is provided in the housing and that transmits light outside the housing to an inside of the housing,
a detachable shield member that covers the transmission part from an outside of the housing, and
a photoelectric switch which is provided inside the housing and is turned on by receiving the light transmitted through the transmission part, and

the reception unit outputs an electric signal to the management unit when the photoelectric switch is turned on.