Power source device
AssigneePanasonic EV Energy Co., Ltd.
InventorsShuhei Marukawa, Masahiro Misu, Toyohiko Eto
Life of this patent
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Abstract
In a power source device including a battery pack, a safety switch is provided between a given pair of battery modules connected to each other. The safety switch connects and disconnects those battery modules by insertion and removal of a safety plug to/form a switch body. The power source device also includes an insertion prevention unit, such as a lock, for preventing the insertion of the safety plug to the switch body in such a manner that prevention of the insertion of the safety plug is releasable. A release operation unit is kept by a worker who removes the safety plug, so that safety of the worker against electric shock is ensured.
Claims4
A power source device comprising:
- a battery pack having a plurality of battery modules each of which includes one or more cells, the modules being connected in series;
- a safety switch, provided between given battery modules connected to each other, for connecting and disconnecting the given battery modules by insertion and removal of a safety plug to/from a switch body;
- and
- an insertion prevention unit for preventing the insertion of the safety plug to the switch body in such a manner that prevention of the insertion of the safety plug is releasable.
Dependencies are inferred from the claim text.