On-line battery monitoring system with defective cell detection capability
First Claim
1. A system for on-line monitoring of a plurality of battery cells, comprising:
- controller means for designating at least one battery cell to be monitored;
multiplexer means responsive to the designation by said controller means for selecting said at least one battery cell to be monitored, for receiving electrical signals from said at least one battery cell, and for providing said electrical signals as an output; and
analog board means for receiving said electrical signals provided by said multiplexer means, said analog board means being responsive thereto for providing an output representing measurement of a parameter of said at least one battery cell;
said controller means receiving said output, converting said output to measurement data, and displaying said measurement data;
said system further comprising control board means responsive to address information for selectively initiating one of a load test, battery bank charging, and common-mode voltage measurement.
1 Assignment
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Accused Products
Abstract
An on-line battery monitoring system for monitoring a plurality of battery cells identifies and computes individual cell and battery bank operating parameters. The system comprises a controller for designating a given battery cell to be monitored, a multiplexer responsive to designation by the controller for selecting a given battery cell to be monitored or for selecting a battery pack to be monitored, an analog board for receiving electrical signals from a given battery cell for providing an output representing measurement of a parameter (voltage, temperature, and the like) of the given battery cell, a voltage sensor circuit for sensing voltage appearing across positive and negative terminals of the battery pack, and a control board responsive to address information for selectively initiating a load test, battery bank charging, or common-mode voltage measurement.
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Citations
28 Claims
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1. A system for on-line monitoring of a plurality of battery cells, comprising:
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controller means for designating at least one battery cell to be monitored; multiplexer means responsive to the designation by said controller means for selecting said at least one battery cell to be monitored, for receiving electrical signals from said at least one battery cell, and for providing said electrical signals as an output; and analog board means for receiving said electrical signals provided by said multiplexer means, said analog board means being responsive thereto for providing an output representing measurement of a parameter of said at least one battery cell; said controller means receiving said output, converting said output to measurement data, and displaying said measurement data; said system further comprising control board means responsive to address information for selectively initiating one of a load test, battery bank charging, and common-mode voltage measurement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A system for on-line monitoring of a plurality of battery cells, comprising:
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controller means for designating at least one battery cell to be monitored; multiplexer means responsive to the designation by said controller means for selecting said at least one battery cell to be monitored, for receiving electrical signals from said at least one battery cell, and for providing said electrical signals as an output; analog board means for receiving said electrical signals provided by said multiplexer means, said analog board means being responsive thereto for providing an output representing measurement of a parameter of said at least one battery cell; and a control board connected to said controller means and a load tester connected to said control board, said control board including at least one pulse transformer for providing isolation between said control board and said load tester. - View Dependent Claims (22, 23)
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24. A system for on-line monitoring of a plurality of battery cells, comprising:
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controller means for designating at least one battery cell to be monitored; multiplexer means responsive to the designation by said controller means for selecting said at least one battery cell to be monitored, for receiving electrical signals from said at least one battery cell, and for providing said electrical signals as an output; analog board means for receiving said electrical signals provided by said multiplexer means, said analog board means being responsive thereto for providing an output representing measurement of a parameter of said at least one battery cell; and control board means connected to said controller means and responsive to address information for selectively providing at least one of a load test signal and a charging signal; and load board means connected to said control board means and responsive to said load test signal for initiating a load test and responsive to said charging signal for initiating a charging operation. - View Dependent Claims (25)
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26. A system for on-line monitoring of a plurality of battery cells, comprising:
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controller means for designating at least one battery cell to be monitored; multiplexer means responsive to the designation by said controller means for selecting said at least one battery cell to be monitored, for receiving electrical signals from said at least one battery cell, and for providing said electrical signals as an output; and analog board means for receiving said electrical signals provided by said multiplexer means, said analog board means being responsive thereto for providing an output representing measurement of a parameter of said at least one battery cell; said controller means receiving said output, converting said output to measurement data, and displaying said measurement data; said analog board means comprising an isolation amplifier for receiving said electrical signals from said at least one battery cell and for providing isolation between said plurality of battery cells and earth ground. - View Dependent Claims (27, 28)
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Specification