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Title:
BATTERY PACK AND MONITORING METHOD OF SECONDARY BATTERY REMOVAL IN THE BATTERY PACK
Document Type and Number:
Japanese Patent JP2012069371
Kind Code:
A
Abstract:

To provide a battery pack which prevents the manufacturing of modified battery packs with simple structure and construction.

A battery pack includes multiple second batteries 20, a housing 30 housing the multiple secondary batteries 20, and an inspection circuit 70 housed in the housing 30. The housing 30 is composed of a body part 40 and a closing member 50 for closing an opening 44 used for taking the multiple secondary batteries 20 in/out from the body part 40. The housing 30 includes multiple fixing members made of a conductive material and used for fixing the closing member 50 to the body part 40. The attachment state of the fixing members to the closing member 50 and the body part 40 is monitored by the inspection circuit 70. Further, the order of processes for attaching the fixing members to the closing member 50 and the body part 40 is stored by the inspection circuit.


Inventors:
MARUTANI KENTARO
OZAWA JUNJI
HOTTA SHIN
KAMISAKA SHINICHI
Application Number:
JP2010213043A
Publication Date:
April 05, 2012
Filing Date:
September 24, 2010
Export Citation:
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Assignee:
SONY CORP
International Classes:
H01M10/42; H01M50/213; H01M50/262; H01M50/271; H01M50/574
Domestic Patent References:
JP2010118041A2010-05-27
JP2007287081A2007-11-01
JP2002041361A2002-02-08
JP2007273315A2007-10-18
JP2006324075A2006-11-30
JP2010118041A2010-05-27
JP2007287081A2007-11-01
JP2002041361A2002-02-08
JP2007273315A2007-10-18
JP2006324075A2006-11-30
Attorney, Agent or Firm:
Takahisa Yamamoto
Masaaki Yoshii
Koichi Mori



 
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