Relay rapid pull-in and release and low-voltage holding circuit

Relay rapid pull-in and release and low-voltage holding circuit

The invention discloses a relay rapid pull-in release and low-voltage holding circuit. A base electrode of a triode Q1 is connected with an anode of a diode D1 and a drain electrode of an MOS tube Q2, a collector electrode of the triode Q1 is connected with an anode of a diode D3, a cathode of the d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FENG JINSHENG, LI KANGBING, LIAO SHIPEI, ZHOU YIFU, LIAO MEIFA, LU QINGHUA, ZHU JIANMING
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Beschreibung
Zusammenfassung:The invention discloses a relay rapid pull-in release and low-voltage holding circuit. A base electrode of a triode Q1 is connected with an anode of a diode D1 and a drain electrode of an MOS tube Q2, a collector electrode of the triode Q1 is connected with an anode of a diode D3, a cathode of the diode D3 is connected with one end of a resistor R3 and one end of a capacitor C1, and the other end of the resistor R3 is grounded; the grid electrode of the MOS tube Q2 is connected with the other end of the capacitor C2, one end of the resistor R2 and the cathode of the voltage-regulator tube Z2; a drain electrode of the MOS tube Q3 is connected with a relay coil Relay-out, a cathode of a voltage-regulator tube Z1, a source electrode of the MOS tube Q2, the other end of the resistor R2 and an anode of a voltage-regulator tube Z2, a grid electrode of the MOS tube Q3 is connected with a relay drive through a resistor R4, and a source electrode of the MOS tube Q3 is grounded; the anode of the voltage-regulator tube