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    • 1. 发明申请
    • Power supply circuit for a motor vehicle electric system
    • 机动车电气系统的电源电路
    • US20060137918A1
    • 2006-06-29
    • US10544789
    • 2003-12-13
    • Wolfgang DinserMatthias KronewitterAnton HeniIrmgard Heni
    • Wolfgang DinserMatthias KronewitterAnton HeniIrmgard Heni
    • B60K1/00
    • H02J7/14H02J7/345Y02T10/7005
    • The present invention discloses a power supply circuit for a motor vehicle electric system having a starter generator (1), a power electronics system (LE), at least one battery (B), at least one dynamic energy accumulator (3) and a DC/DC converter (2). The power supply circuit has a first connection branch which is provided with the DC/DC converter (2) and is connected to a terminal of the dynamic energy accumulator (3) and a second connection branch which is connected to a terminal of the battery (B). Both connection branches can be disconnected from the starter generator (1) by means of controllable switches (S1, S2). A control device (5) actuates the switches (S1, S2) in the first and second connection branches and the DC/DC converter (2) in response to a charge state of the battery (B) and of the energy accumulator (3) and an operating state of the motor vehicle in such a way that recuperation energy which is present in the energy accumulator (3) is stored, drive support is provided by energy from the energy accumulator (3) as soon as the latter is charged, and until then from the battery (B), and for a rapid start energy is used from the energy accumulator (3) and the battery is charged according to its charge state as required, and after a recuperation the vehicle electric system is fed via the battery (B).
    • 本发明公开了一种用于机动车辆电气系统的电源电路,其具有起动发电机(1),电力电子系统(LE),至少一个电池(B),至少一个动态蓄能器(3)和DC / DC转换器(2)。 电源电路具有设置有DC / DC转换器(2)并连接到动态蓄能器(3)的端子的第一连接分支和连接到电池的端子的第二连接分支( B)。 两个连接分支可以通过可控开关(S1,S2)与起动发电机(1)断开连接。 控制装置(5)响应于电池(B)和蓄能器(B)的充电状态,致动第一和第二连接支路中的开关(S1,S2)和DC / DC转换器 3)和机动车辆的操作状态,使得存储在蓄能器(3)中的回收能量被存储,驱动支架由能量蓄能器(3)的能量提供,一旦充电器 ,然后从电池(B)起,并且为了快速启动,从蓄能器(3)使用能量,并且根据需要根据其充电状态对电池进行充电,并且在恢复之后,车辆电气系统经由 电池(B)。