Device and method for wiring a battery management system
AssigneeFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
InventorsMax Jung, Stephan Lux
Life of this patent
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Abstract
A circuit system includes a battery management system, a first switch unit and a controller. In a first state, the first switch unit conductively connects a first energy source to the battery management system, and in a second state it interrupts the energy supply of the battery management system from the first energy source. The controller controls the first switch unit.
Claims11
A circuit system comprising:
- a battery management system,
- a first switch unit which in a first state conductively connects a first energy source to the battery management system and in a second state opens so as to disconnect the energy supply of the battery management system from the first energy source,
- a second switch unit, which in a first state conductively connects a second energy source to the battery management system and in a second state opens so as to disconnect the energy supply of the battery management system from the second energy source, and
- a controller which controls the first switch unit and the second switch unit,
- the battery management system comprising at least one unit of battery-cell electronics configured to be supplied with energy by the first energy source, and a monitoring unit configured to be supplied with energy by the second energy source, and
- the controller being configured to control the first switch unit and the second switch unit such that the following applies:
- when the second switch unit is in the second state, the first switch unit will also be in the second state.
A non-transitory digital storage medium having a computer program stored thereon to perform the method of wiring an energy supply system of a battery management system, said method comprising:
- controlling a first switch unit and a second switch unit on the part of a controller, said controlling comprising:
- connecting a first energy source to at least one unit of battery-cell electronics of the battery management system on the part of the first switch unit in a first state;
- disconnecting the energy supply of the battery-cell electronics of the battery management system from the first energy source in a second state of the first switch unit in that the first switch unit opens,
- connecting a second energy source to a monitoring unit of the battery management system on the part of the second switch unit in a first state;
- and
- disconnecting the energy supply of the monitoring unit of the battery management system from the second energy source in a second state of the second switch unit in that the second switch unit opens,
- the first switch unit and the second switch unit being controlled such that the following applies:
- when the second switch unit is in the second state, the first switch unit will also be in the second state,
- when said computer program is run by a computer.
Dependencies are inferred from the claim text.