Electromagnetic commutator driving circuit

The utility model relates to an electromagnetic commutator driving circuit. The electromagnetic commutator driving circuit comprises an indication unit, a control unit and a relay unit and is characterized in that the control unit comprises a voltage reduction time-delay unit and a trigger unit, the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SONG YANQIU, CAI YAOCHENG, FENG DAWEI, ZENG GUANGJIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model relates to an electromagnetic commutator driving circuit. The electromagnetic commutator driving circuit comprises an indication unit, a control unit and a relay unit and is characterized in that the control unit comprises a voltage reduction time-delay unit and a trigger unit, the indication unit is connected with an electromagnetic commutator input signal, the electromagnetic commutator input signal is connected with an input end of the voltage reduction time-delay unit, an output end of the voltage reduction time-delay unit is connected with an input end of the trigger unit, an output end of the trigger unit is connected with an input end of the relay unit, and an output end of the relay unit outputs a driving signal. Compared with the prior art, by replacing a digital or microcomputer control unit with the voltage reduction time-delay unit and the trigger unit, no special-purpose switch power supply or a control chip are required, and the electromagnetic commutator driving circuit has ad