Central controller for ultra-low quiescent working current of vehicle

The utility model provides a central controller for the ultra-low quiescent working current of a vehicle, which comprises a drive master control circuit. The drive master control circuit is connected with a door lock motor through a drive isolating circuit. The drive master control circuit is powere...

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Bibliographische Detailangaben
Hauptverfasser:	WEI DAOHU, XIE CHANGJIANG
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION
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Beschreibung
Zusammenfassung:	The utility model provides a central controller for the ultra-low quiescent working current of a vehicle, which comprises a drive master control circuit. The drive master control circuit is connected with a door lock motor through a drive isolating circuit. The drive master control circuit is powered up by a power supply to receive a door lock opening/closing signal and output a corresponding drive level. The locking and unlocking state of a door lock is controlled by the drive isolating circuit. The drive isolating circuit comprises two identical drive isolating units. Each drive isolating unit comprises a resistor R1, wherein one end of the resistor R1 serves as the input end of the drive isolating unit, and the other end of the resistor R1 is connected with the base electrode of an NPN transistor Q1. The emitter electrode of the NPN transistor Q1 is grounded. The collector electrode of the NPN transistor Q1 is connected with one end of a relay KA1 coil and the anode of a diode D1. The other end of the relay KA1 coil and the cathode of the diode D1 are connected with the input voltage +Vcc of the power supply. The drive master control circuit comprises an OR-NOT circuit HEF4001BT, an integrating circuit and a differentiating circuit. The central controller is low in quiescent current.