Equalization circuit and device for series-connected battery pack

Equalization circuit and device for series-connected battery pack

  • CN 103,715,728 A
  • Filed: 10/06/2012
  • Published: 04/09/2014
  • Est. Priority Date: 10/06/2012
  • Status: Active Application
First Claim
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1. for equalizing circuit and the device of series battery, characterized by further comprising:

  • by two movable contact springs (7) that drive with motor (13), at the sheet metal (6) that is electrically connected to each batteries node and insulate each other, above move or rotate electronic change over switch (3), circuit for controlling motor (2), booster circuit (1) formation forming;

    The movable contact spring of an electronic change over switch (7) is electrically connected to the input of voltage booster (1), the movable contact spring of another electronic change over switch (7) is electrically connected to the output of voltage booster (1), two movable contact springs (7) on change over switch can move or rotate, and are selectively electrically connected to the two ends of arbitrary batteries (4) of series battery;

    On two movable contact springs (7) on electronic change over switch, be all electrically connected with voltage comparator circuit, voltage comparator circuit has a plurality of output, be provided with counter (11), the output of the output of voltage comparator circuit and counter (11) is controlled the rotation of the motor (13) on electronic change over switch and stops by gate circuit is last simultaneously;

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