Live alarm circuit of intelligent mechanical lock type switchgear anti-misoperation locking device

Provided is a live alarm circuit of an intelligent mechanical lock type switchgear anti-misoperation locking device. The live alarm circuit comprises a PNP type triode, a first NAND gate integrated block, and a second NAND gate integrated block, an emitter electrode of the triode and one terminal of...

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Bibliographische Detailangaben
Hauptverfasser:	ZHU RUGUI, XUE WEIHAO, YANG ZHENGHE, BAO XIANZHONG, CHEN JIANFANG, ZHAO LEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS RELAYS SELECTORS TESTING
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Beschreibung
Zusammenfassung:	Provided is a live alarm circuit of an intelligent mechanical lock type switchgear anti-misoperation locking device. The live alarm circuit comprises a PNP type triode, a first NAND gate integrated block, and a second NAND gate integrated block, an emitter electrode of the triode and one terminal of a second resistor are connected with a power supply terminal, the other terminal of the second resistor and one terminal of a first resistor are connected with a base electrode of the triode, the other terminal of the first resistor is connected with an input terminal, a collector electrode of the triode is connected with one terminals of a third resistor and a fourth resistor, the other terminal of the third resistor is connected to the ground, the other terminal of the fourth resistor is connected with one terminals of a fifth resistor and a first capacitor, the other terminal of the first capacitor is connected to the ground, the other terminal of the fifth resistor is connected with two parallel-connection inp