Method for Battery Management of a Battery with a Charge State Compensation System and Battery Management System
First Claim
1. A method for battery management of a battery, the battery having a plurality of battery cells, a charge state balancing system, and a battery management system, the method comprising:
- monitoring a functionality of the battery with the battery management system, the battery management system including a plurality of sensor control devices and a primary control device which are interconnected via a communication channel;
operate, with sensor control devices, a plurality of charge state balancing resistors of the charge state balancing system to balance charge states of the battery cells; and
storing, with sensor control devices, information regarding the balancing of the charge states in first nonvolatile memories.
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Abstract
The disclosure relates to a method for the battery management of a battery which comprises a plurality of battery cells and which is fitted with a battery management system for monitoring battery functionality and with a charge state compensation system, wherein the battery management system comprises a plurality of sensor control devices and a main control device, said control devices being connected with one another via a communication channel, and wherein the charge state compensation system has a number of charge state compensation resistors being put into operation via the sensor control devices for a charge state compensation of battery cells. The sensor control devices save information about performed charge state compensations in non-volatile memory. A computer program, a battery management system, a battery system and a motor vehicle, which are designed to carry out the method, are also described.
12 Citations
10 Claims
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1. A method for battery management of a battery, the battery having a plurality of battery cells, a charge state balancing system, and a battery management system, the method comprising:
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monitoring a functionality of the battery with the battery management system, the battery management system including a plurality of sensor control devices and a primary control device which are interconnected via a communication channel; operate, with sensor control devices, a plurality of charge state balancing resistors of the charge state balancing system to balance charge states of the battery cells; and storing, with sensor control devices, information regarding the balancing of the charge states in first nonvolatile memories. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A computer program for a battery management system of a battery, the battery having a plurality of battery cells and a charge state balancing system, the computer program configured to, when executed on a the battery management system;
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monitor a functionality of the battery with the battery management system, the battery management system including a plurality of sensor control devices and a primary control device which are interconnected via a communication channel; operate, with the sensor control devices, a plurality of charge state balancing resistors of the charge state balancing system to balance charge states of the battery cells; and store, with the sensor control devices, information regarding the balancing of the charge states in first nonvolatile memories.
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8. A battery management system configured to monitor a functionality of a battery, the battery having a plurality of battery cells and a charge state balancing system, the battery management system comprising:
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a plurality of sensor control devices, the sensor control devices being configured to (i) operate a plurality of charge state balancing resistors of the charge state balancing system to balance charge states of the battery cells, and (ii) store information regarding the balancing of the charge states in first nonvolatile memories; and a primary control device which is interconnected with the sensor control devices via a communication channel. - View Dependent Claims (9, 10)
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Specification