Title:
In-vehicle electric power unit
Document Type and Number:
Japanese Patent JP6007813
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an on-vehicle power supply device capable of more effectively utilizing power of a battery block while preventing the battery block from being used hard.SOLUTION: First to third battery blocks 11 to 13 are connected in parallel with each other while including at least one battery cell 11a, a current detection section 11b and a switch 11c which are connected in series, respectively. Control means 2 defines any one of the battery blocks 11-13 which includes the current detection section 11b where abnormality occurs, as an abnormal block and disconnects the abnormal block from the other normal blocks by opening the switch 11c of the abnormal block. Afterwards, if a power supply state of a vehicle is a parking state, the switch 11c of the abnormal block is closed, thereby supplying power of the abnormal block to the normal blocks.
Inventors:
Hiroaki Kato
Kenji Nishigaki
Takahiro Tsuchi
Hiroyuki Nomura
Seiden
Satoshi Yamamoto
Takuya Yamamoto
Hiromasa Yoshizawa
Matsui Masayoshi
Kenji Nishigaki
Takahiro Tsuchi
Hiroyuki Nomura
Seiden
Satoshi Yamamoto
Takuya Yamamoto
Hiromasa Yoshizawa
Matsui Masayoshi
Application Number:
JP2013023143A
Publication Date:
October 12, 2016
Filing Date:
February 08, 2013
Export Citation:
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
International Classes:
H02J7/00; B60L3/00; B60L3/04; B60L11/18; H01M10/44; H01M10/48
Domestic Patent References:
| JP2010252566A | ||||
| JP2010252594A | ||||
| JP2007099033A |
Attorney, Agent or Firm:
Michiharu Soga
Kajinami order
Masahiro Taguchi
Ichiro Oi
Kazuhiro Mitsunaga
Kajinami order
Masahiro Taguchi
Ichiro Oi
Kazuhiro Mitsunaga