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Method for activating a plurality of monitoring units for a battery, battery and motor vehicle having said battery

  • US 9,893,388 B2
  • Filed: 02/18/2013
  • Issued: 02/13/2018
  • Est. Priority Date: 03/28/2012
  • Status: Active Grant
First Claim
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1. A battery comprising:

  • a plurality of battery modules;

    a plurality of monitoring units, each monitoring unit of the plurality of monitoring units being operably connected to a respective battery module of the plurality of battery modules and configured to at least measure a battery module voltage of the respective battery module;

    a battery control unit;

    a first communication network including a bus configured to connect each monitoring unit of the plurality of monitoring units to the battery control unit, the battery control unit being configured to communicate with the plurality of monitoring units via the first communication network; and

    a second communication network, which is separate from the first communication network, including a plurality of connections configured to connect the battery control unit with the plurality of monitoring units, the battery control unit being configured to transmit an activation signal to the plurality of monitoring units via the second communication network,wherein each monitoring unit of the plurality of monitoring units includes a switching element operably connected to the second communication network, the switching element being configured to activate the respective monitoring unit in response to the respective monitoring unit receiving the activation signal via the second communication network from one of (i) the battery control unit and (ii) a further monitoring unit of the plurality of monitoring units.

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