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    • 5. 发明授权
    • Electrical power system for a self-contained transportable life support system
    • 用于独立运输生命支持系统的电力系统
    • US06230710B1
    • 2001-05-15
    • US09285346
    • 1999-04-02
    • William Richard SobkoThomas Wakefield GoodThomas Holland Alford
    • William Richard SobkoThomas Wakefield GoodThomas Holland Alford
    • A61G1500
    • A61G1/00A61G1/04A61G10/023A61G2210/30A61M16/022H02J9/061
    • A switching control circuit for use in an electrical power system for a transportable life support system is disclosed. The switching control circuit provides uninterrupted power to a load of medical and utility devices by switching between one of a set of converted external power voltages and an internal power voltage outputted by a rechargeable internal power source. The power switching is effected within the time interval during which a residual voltage still remains on line due to capacitance discharge of the corresponding power converter and capacitance discharge of the main bus, resulting in uninterrupted electrical power to the load. The switching control circuit comprises: (a) an input power select circuit for outputting a voltage selected from the group of internal and converted external power voltages; (b) a bus switch, which receives the selected voltage, for controlling the application of the selected voltage to the load; and (c) a main bus for transporting the selected voltage to the load of medical and utility devices.
    • 公开了一种用于运输寿命支持系统的电力系统中的开关控制电路。 开关控制电路通过在一组转换的外部电源电压中的一个和可再充电的内部电源输出的内部电力电压之间进行切换来为医疗和公用设备的负载提供不间断的电力。 电源切换是由于相应的功率转换器的电容放电和主总线的电容放电而在剩余电压仍然保持在线上的时间间隔内实现的,导致对负载的电力不间断。开关控制电路包括: (a)输入功率选择电路,用于输出从所述一组内部和转换的外部电源电压中选择的电压; (b)总线开关,其接收所选择的电压,用于控制对所述负载施加所选择的电压; 和(c)用于将所选择的电压输送到医疗和电力设备的负载的主母线。