SOLENOID DRIVE DEVICE

PROBLEM TO BE SOLVED: To reduce the amount of wire harness to a solenoid by improving constitution of a solenoid drive device. SOLUTION: A resistor 32 for current detection is connected with the other end of the solenoid 30 whose one end is connected with ground G. An NMOS 33 and the cathode of a di...

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Bibliographische Detailangaben
Hauptverfasser:	KUROSU YASUO, SATO KIYOKATSU
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BASIC ELECTRIC ELEMENTS BLASTING COCKS DEVICES FOR VENTING OR AERATING ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TAPS THERMAL INSULATION IN GENERAL TRANSFORMERS VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce the amount of wire harness to a solenoid by improving constitution of a solenoid drive device. SOLUTION: A resistor 32 for current detection is connected with the other end of the solenoid 30 whose one end is connected with ground G. An NMOS 33 and the cathode of a diode 34 are connected with the resistor 32. The anode of the diode 34 is connected with the ground G. When the NMOS 33 is turned on, a current flows in the solenoid 30 from a battery 31 via the resistor 32. When the NMOS 33 is turned off, a regenerative current flows in the solenoid 30 from the ground G via the diode 34 and the resistor 32. As a result, current driving of the solenoid 30 is enabled without connecting the anode of the diode 34 with the solenoid 30 by using a lead wire.