US 11,876,234 B2
Explosion-proof apparatus
Ken Onishi, Tokyo (JP); Koji Shukutani, Tokyo (JP); Hiroyoshi Okazaki, Tokyo (JP); Syuhei Kobori, Tokyo (JP); Noriko Onishi, Tokyo (JP); and Hiroyoshi Kojima, Tokyo (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
Appl. No. 17/255,041
Filed by MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
PCT Filed Mar. 7, 2019, PCT No. PCT/JP2019/009138
§ 371(c)(1), (2) Date Dec. 22, 2020,
PCT Pub. No. WO2020/012706, PCT Pub. Date Jan. 16, 2020.
Claims priority of application No. 2018-133224 (JP), filed on Jul. 13, 2018.
Prior Publication US 2021/0265688 A1, Aug. 26, 2021
Int. Cl. H01M 50/143 (2021.01); H01M 50/367 (2021.01); H01M 50/24 (2021.01); H04N 23/51 (2023.01); G03B 17/02 (2021.01); H02H 5/08 (2006.01); H02H 7/18 (2006.01); H02K 5/136 (2006.01); H04N 23/57 (2023.01); H04N 23/54 (2023.01); B25J 19/00 (2006.01)
CPC H01M 50/143 (2021.01) [G03B 17/02 (2013.01); H01M 50/24 (2021.01); H01M 50/367 (2021.01); H02H 5/08 (2013.01); H02H 7/18 (2013.01); H02K 5/136 (2013.01); H04N 23/51 (2023.01); H04N 23/54 (2023.01); H04N 23/57 (2023.01); B25J 19/005 (2013.01)] 4 Claims
OG exemplary drawing
 
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.