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Electrical connection system for vehicle

  • US 20030032308A1
  • Filed: 07/26/2002
  • Published: 02/13/2003
  • Est. Priority Date: 08/07/2001
  • Status: Active Grant
First Claim
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1. An electrical connection system for a vehicle, comprising:

  • a voltage converter including an input terminal connected to a first power supply line to supply a first voltage for converting the first voltage into a second voltage to be output to first vehicle-mounted loads through a second power supply line;

    a first voltage supplier branched from the first power supply line for supplying the first voltage to each of second vehicle-mounted loads;

    fuses provided respectively to the second vehicle-mounted loads between the voltage converter and each of the second vehicle-mounted loads on the second power supply line;

    a switch provided between the voltage converter and the fuses, with a terminal connected to the second power supply line, and with another terminal connected to a ground terminal;

    a voltage detector provided between the voltage converter and the fuses for detecting a voltage to be supplied to the second power supply line;

    an overvoltage protector configured to turn on the switch to connect the second power supply line to the ground terminal when the overvoltage protector decides an overvoltage to occur on the second power supply line due to occurring a short circuit between the first power supply line and the second power supply line at a vehicle-mounted load, based on a voltage to be detected by the voltage detector.

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