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Title:
APPARATUS FOR DETECTING THE STATE OF A CHECKABLE STORAGE BATTERY
Document Type and Number:
WIPO Patent Application WO/2013/079636
Kind Code:
A3
Abstract:
An apparatus (1) for detecting the state of a checkable storage battery (3) in a vehicle having at least two vehicle onboard power supply systems (5, 6) of different operating voltages is described. The vehicle onboard power supply systems (5, 6) are coupled by means of a DC/DC converter (7), which converts a first DC voltage of a first vehicle onboard power supply system (5) into a second DC voltage of the storage battery (3) in the second vehicle onboard power supply system (6). The vehicle onboard power supply systems (5, 6) have a control device (8). The control device (8) additionally has a test signal module (9) which is suitable for supplying a test signal (10) via the DC/DC converter (7) to the checkable storage battery (3). Furthermore, the control device (8) of the DC/DC converter (7) additionally comprises a measured value detection module (11) which is suitable for measuring the reaction values of the checkable storage battery, and an evaluation module (12) which is suitable for detecting the state of the storage battery (3) from the measured reaction values.

Inventors:
EHRMANN MARTIN (DE)
MAISEL PETER (DE)
Application Number:
PCT/EP2012/074035
Publication Date:
November 21, 2013
Filing Date:
November 30, 2012
Export Citation:
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Assignee:
CONTI TEMIC MICROELECTRONIC (DE)
International Classes:
B60L11/18; B60L3/00; B60R16/033; G01R31/00; G01R31/36; H02J7/00
Foreign References:
DE102004035470A12005-02-10
US20080024137A12008-01-31
US20090015193A12009-01-15
US20050280396A12005-12-22
Attorney, Agent or Firm:
BONN, Roman (Postfach 22 16 39, München, DE)
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