BISTABLE PULSE SOLENOID VALVE CONTROL SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
May 9, 2013
app pub date -
Nov 8, 2012
filing date -
Nov 9, 2011
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Abandoned
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Abstract
The present invention provides a bistable pulse solenoid valve control system and method. The control system includes a bistable pulse solenoid valve having a coil current, and including a coil frame, a coil having a magnetic flux, at least two permanent magnets, a valve core disposed inside the coil frame, and a frame configured to encapsulate the permanent magnets, the coil, the valve core, and the coil frame. The system also includes a main control circuit, a polarity conversion control circuit, and a drive current sampling detection circuit. The main control circuit is configured to generate a control signal and the polarity conversion control circuit is configured to control the direction and power on-off time of the coil current.
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