Patent ID: 11876234
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  B  G  Y | IPC B  G  H

Claim 0:
1. An explosion-proof apparatus comprising:
a frame having a hollow shape;
a gas supply device configured to maintain inside of the frame at pressure higher than certain pressure by supplying gas to the inside;
an electrical component disposed inside the frame;
a battery configured to supply power to the electrical component;
a protective device configured to stop power supply from the battery to the electrical component;
a battery housing enclosure being an increased-safety explosion-proof enclosure configured to house the battery therein; and
a protective device housing enclosure being a flameproof explosion-proof enclosure configured to house the protective device, wherein
the battery housing enclosure and the protective device housing enclosure are provided outside of the frame,
the battery does not include a management device that manages parameters of the battery,
the protective device housing enclosure is an enclosure different from the battery housing enclosure, and
an explosion-proof connector being explosion proof is configured to connect the battery and the protective device, and is provided outside the battery housing enclosure and the protective device housing enclosure.