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electrical anschlusskasten and electrical r amp; d process for motor vehicles
electrical anschlusskasten and electrical r amp; d process for motor vehicles
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机译:电动汽车的电气和电气研发过程
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摘要
Wiring harnesses WH form current feedback paths from respective loads 7 to a battery 3, thereby forming a closed-circuit construction. For each load 7, there are provided a current detector 11 and a current controller 12. Each current detector 11 compares an input current to a junction box 5 with an output current from the corresponding load 7 via the corresponding wiring harness WH, and outputs a normal detection signal when the input current and the output current are equal to each other while outputting an abnormal detection signal when the input current and the output current are at variance with each other. Each current controller 12 causes, upon receipt of the normal detection signal, the input current to flow into the corresponding load 7 along a current path while causing, upon receipt of the abnormal detection signal, the input current to flow into a current cutoff device including a thermal device which is disposed in parallel with the current path and whose resistance value changes with temperature, thereby cutting off the flow of current into the load 7. The flow of current into each load can be cut off on the basis of a variation of the resistance value of the thermal device. This obviates the need for replacement of fuses, thereby simplifying maintenance. IMAGE
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