Quick follow current circuit of high-pressure common rail fuel injector

The invention discloses a quick follow current circuit of a high-pressure common rail fuel injector, and relates to the field of fuel injector driving circuits. The quick follow current circuit of thehigh-pressure common rail fuel injector comprises a main controller, a logic module, a high-end inte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GAO CHANGPING, XIE HONGBIN, ZHANG MEIJUAN, LU LINGYA, ZHANG AIYUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY BLASTING COMBUSTION ENGINES ELECTRICITY HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING PULSE TECHNIQUE SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a quick follow current circuit of a high-pressure common rail fuel injector, and relates to the field of fuel injector driving circuits. The quick follow current circuit of thehigh-pressure common rail fuel injector comprises a main controller, a logic module, a high-end integrated driving circuit, a low-end integrated driving circuit, a current conditioning circuit, a circuit device and a follow current circuit, wherein the follow current circuit comprises a third audion, a first capacitor, a follow current resistor and a stabilivolt, a drain electrode of a third switch tube is connected to a positive electrode of a third diode, the negative electrode of the third diode is connected to the first capacitor, the follow current resistor and the negative electrode ofthe stabilivolt, and the first capacitor, the follow current resistor and the positive electrode of the stabilivolt are connected to a sampling resistor and connected to the ground. Through the followcurrent resistor, at the i