AC current detection alarm circuit

The utility model discloses an AC current detection alarm circuit, comprising two identical optical couplers 0C1, 0C2, wherein an input-side pin CA of the optical coupler 0C1 is connected with an input-side pin AN of the optical coupler 0C2, and an input-side pin CA of the optical coupler 0C2 is con...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	DENG XIANHU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	The utility model discloses an AC current detection alarm circuit, comprising two identical optical couplers 0C1, 0C2, wherein an input-side pin CA of the optical coupler 0C1 is connected with an input-side pin AN of the optical coupler 0C2, and an input-side pin CA of the optical coupler 0C2 is connected with an input-side pin AN of the optical coupler 0C1; an output-side pin C of the optical coupler 0C1 is connected with an output-side pin C of the optical coupler 0C2, and is further connected with a pin 1 of a resistor R1, a pin 1 of a resistor R2 and a pin 1 of a capacitor C1; an output-side pin E of the optical coupler 0C1 is connected with an output-side pin E of the optical coupler 0C2, and is further connected with a pin 2 of the capacitor C1, a power ground, a pin 2 of a capacitor C2; a pin 2 of the resistor R1 is connected with an anode Vp of a power supply, and a pin 2 of the resistor R2 is connected with a pin 2 of the capacitor C2 and outputs a signal S0; and the input-side pins AN and CA of the