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Title:
BACKPACK POWER SUPPLY
Document Type and Number:
Japanese Patent JP2014017952
Kind Code:
A
Abstract:

To provide a backpack power supply 1 mounting a secondary battery 51.

The backpack power supply 1 includes a case 5, a secondary battery 51 housed in the case 5, an output terminal 5a connected with the secondary battery 51, a switching element 522 located in a current path formed between the secondary battery 51 and the output terminal 5a, a sub-power switch 66 extended from the case 5 so as to direct turn-off of the switching element 522, a battery side microcomputer 526 for turning the switching element 522 off when turn-off of the switching element 522 is directed from the sub-power switch 66, and a main power switch 53 provided in the case 5 and located on the current path closer to the secondary battery 51 side than the switching element 522. The battery side microcomputer 526 is supplied with drive power from a point between the main power switch 53 and the switching element 522 on the current path.


Inventors:
YOSHINARI TAKUYA
FUJISAWA HARUHISA
NINAI YUKI
Application Number:
JP2012153124A
Publication Date:
January 30, 2014
Filing Date:
July 06, 2012
Export Citation:
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Assignee:
HITACHI KOKI KK
International Classes:
H02J7/00; B25F5/00; H01M10/44; H01M50/247
Domestic Patent References:
JP2011216304A2011-10-27
JP2010184313A2010-08-26
JP2011228909A2011-11-10
JP2012019633A2012-01-26
JP2008177138A2008-07-31
JP2007274866A2007-10-18
JP3128790U2007-01-25
JPH073983U1995-01-20
JP2007511380A2007-05-10
Foreign References:
US6563532B12003-05-13
US6087815A2000-07-11
US6106971A2000-08-22
Attorney, Agent or Firm:
Kazuhiro Kitazawa
Shin Koizumi
Akiko Ichikawa



 
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