Electrical storage device
First Claim
Patent Images
1. An electrical storage device comprising:
- a plurality of conductive battery house casings electrically connected to a chassis;
a plurality of battery cells housed and held in the battery house casings; and
a control unit that is disposed outside the battery house casings and comprises a circuit that monitors a state of the plurality of battery cells, wherein;
the circuit comprises a terminal for grounding; and
a conductive base of the control unit is directly fixed to the battery house casings and the terminal for grounding of the circuit is electrically connected to the battery house casings through the base so as to ground the circuit to the chassis;
wherein a battery assembly constituted with the plurality of battery cells is housed in the plurality of battery house casings, wherein;
the base is mounted astride the plurality of battery house casings and is directly fixed to each of the plurality of the battery house casings; and
the terminal is electrically connected to the plurality of the battery house casings through the base so as to be grounded to the chassis.
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Accused Products
Abstract
An electrical storage device includes: a conductive battery house casing electrically connected to a chassis; a plurality of battery cells held in the battery house casing; and a control unit that comprises a circuit that manages the plurality of battery cells and is mounted on the battery house casing so that a negative terminal of the circuit and the battery house casing are electrically conducting.
22 Citations
10 Claims
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1. An electrical storage device comprising:
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a plurality of conductive battery house casings electrically connected to a chassis; a plurality of battery cells housed and held in the battery house casings; and a control unit that is disposed outside the battery house casings and comprises a circuit that monitors a state of the plurality of battery cells, wherein; the circuit comprises a terminal for grounding; and a conductive base of the control unit is directly fixed to the battery house casings and the terminal for grounding of the circuit is electrically connected to the battery house casings through the base so as to ground the circuit to the chassis; wherein a battery assembly constituted with the plurality of battery cells is housed in the plurality of battery house casings, wherein; the base is mounted astride the plurality of battery house casings and is directly fixed to each of the plurality of the battery house casings; and the terminal is electrically connected to the plurality of the battery house casings through the base so as to be grounded to the chassis. - View Dependent Claims (2, 3, 4, 5)
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6. An electrical storage device comprising:
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a conductive mounting member that is fixed to a chassis; a plurality of conductive battery house casings that is fixed to the mounting member and is electrically connected to the chassis through the mounting member; a plurality of battery cells housed and held in the battery house casings; and a control unit that is disposed outside the battery house casings, and comprises a circuit, mounted on a board, that monitors a state of the plurality of battery cells and a conductive base on which the board is mounted, wherein; the circuit comprises a terminal for grounding; and the base is directly fixed to the battery house casings and the terminal for grounding of the circuit is electrically connected to the mounting member through the base and the battery house casings so as to ground the circuit to the chassis; wherein a battery assembly constituted with the plurality of battery cells is housed in the plurality of battery house casings, wherein; the base is mounted astride the plurality of battery house casings and is directly fixed to each of the plurality of the battery house casings; and the terminal is electrically connected to the mounting member through the base and the plurality of the battery house casings so as to be grounded to the chassis. - View Dependent Claims (7, 8, 9, 10)
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Specification