Method and apparatus for multiple battery cell management
First Claim
1. A method for managing a battery system comprising:
- using a solid state relay as a switch during an operation of said battery system.
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Abstract
Embodiments of the present invention are directed to a method and apparatus for multiple battery cell management. In one embodiment, a solid state relay is used instead of a mechanical relay in a BMS. The SSR is smaller and faster than a mechanical relay, enabling smaller BMSs that more efficiently and safely manage battery cell charge. In another embodiment, a plurality of battery cells are connected to two rails, using four SSRs to control access to the battery cells. In one embodiment, a plurality of battery cells are grouped together and controlled as one module of a multi-module BMS. In one embodiment, each module has 10 battery cells in series. In one embodiment, the BMS controls 4 modules. In one embodiment, each module is controlled by control signals passing through logical gates. In another embodiment, each module is controlled by control signals passing through a programmed circuit.
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Citations
36 Claims
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1. A method for managing a battery system comprising:
using a solid state relay as a switch during an operation of said battery system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of managing a battery system comprising:
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providing a first rail; and
providing a second rail;
- View Dependent Claims (11, 12, 13)
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14. A method of managing a battery system comprising:
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partitioning a plurality of battery cells into a plurality of battery cell groups;
controlling battery management functions of a first battery cell group using a battery management control module. - View Dependent Claims (15, 16, 17, 18)
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19. A battery management system comprising:
a solid state relay configured to function as a switch during an operation of said battery management system. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. A battery management system comprising:
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a first rail; and
a second rail;
- View Dependent Claims (29, 30, 31)
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32. A battery management system comprising:
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a partitioning unit configured to partition a plurality of battery cells into a plurality of battery cell groups;
a control unit configured to control battery management functions of a first battery cell group using a battery management control module. - View Dependent Claims (33, 34, 35, 36)
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Specification