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    • 67. 发明授权
    • Isolated power supply system and method
    • 隔离供电系统及方法
    • US4694237A
    • 1987-09-15
    • US883062
    • 1986-07-08
    • George E. Hanson
    • George E. Hanson
    • H02J7/00H04B15/00H02J9/00
    • H04B15/005H02J7/0024Y10S320/25Y10T307/625
    • In an embodiment for supplying power to sensitive telecommunications modules in an environment rich in radiated RF emissions, the AC power line is connected to a battery charger which is alternately connected to two rechargeable batteries. A third battery is connected in power transfer relation to the telecommunications modules and to a power control module, and in turn receives power from the one of the first and second batteries which is not being charged, such active battery being completely isolated from the AC power line. The third battery insures against transients and switching noise during switchover between the first and second batteries, and the power control module monitors the supply of power via an optoelectronic isolator and connects both the first and second batteries in parallel with the third battery in the event of a power failure.
    • 在一个实施例中,为了在具有辐射RF辐射的环境中向敏感电信模块提供电力,AC电力线连接到交替地连接到两个可再充电电池的电池充电器。 第三电池以电力传输关系连接到电信模块和功率控制模块,并且继而从未充电的第一和第二电池中的一个接收电力,这种有源电池与AC电力完全隔离 线。 第三电池确保在第一和第二电池之间切换期间的瞬变和开关噪声,并且功率控制模块通过光电隔离器监测电力供应,并且在发生第三和第二电池的情况下将第一和第二电池与第三电池并联连接 电源故障