Power supply voltage protection circuit

The utility model provides a power supply voltage protection circuit, which comprises a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first triode Q1, a second triode Q2 and a load element, the second end of the first resistor R1 is connected to the second end...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	YING GUOWEN, WANG JINDING, WANG ZHENGZHONG, HU YONGJIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The utility model provides a power supply voltage protection circuit, which comprises a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first triode Q1, a second triode Q2 and a load element, the second end of the first resistor R1 is connected to the second end of the fourth resistor R4, the base electrode of the first triode Q1 and the collector electrode of the second triode Q2, the first end of the fourth resistor R4 is connected to the power supply and the first end of the load element, and the second end of the load element is connected to the first end of the second resistor R2. The second end of the second resistor R2 is connected to the collector electrode of the first triode Q1, the emitter electrode of the first triode Q1 is connected to the first end of the third resistor R3 and the base electrode of the second triode Q2, and the second end of the third resistor R3 is connected to the emitter electrode of the second triode Q2 and is grounded. According to the