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    • 8. 发明公开
    • SYSTEMS AND METHODS FOR OBTAINING LARGE CREEPAGE ISOLATION ON PRINTED CIRCUIT BOARDS
    • 用于在印刷电路板上获得大型蠕变隔离的系统和方法
    • EP2836871A1
    • 2015-02-18
    • EP13775051.9
    • 2013-04-11
    • Histosonics, Inc.
    • TEOFILOVIC, Dejan
    • G02B26/00
    • H05K1/0256H05K1/0227H05K2201/0761H05K2201/09781H05K2201/09972H05K2201/10121
    • An electrical circuit with large creepage isolation distances is provided. In some embodiments, the electrical circuit is capable of increasing creepage isolation distances by many multiples over traditional electrical circuits. In one embodiment, an electrical circuit comprises a ground circuit optically coupled to a floating circuit, and an isolated circuit optically coupled to the floating circuit. The circuits can be optically coupled with opto-isolators, for example. The isolated circuit can have a creepage isolation distance at least twice as large as a traditional circuit. In some embodiments, "n" number of floating circuits can be optically coupled between the ground circuit and the isolated circuit to increase the total creepage isolation distance by a factor of "n". Methods of use are also described.
    • 提供具有大爬电距离的电路。 在一些实施例中,电路能够将传统电路上的爬电距离隔离距离增加许多倍。 在一个实施例中,电路包括光耦合到浮动电路的接地电路以及光耦合到浮动电路的隔离电路。 例如,电路可以与光隔离器光耦合。 隔离电路的爬电距离至少是传统电路的两倍。 在一些实施例中,“n”个浮动电路可以光耦合在接地电路和隔离电路之间,以将总爬电距离隔离距离增加“n”倍。 还描述了使用方法。