IN-VEHICLE POWER-SUPPLY CIRCUIT AND IN-VEHICLE POWER-SUPPLY UNIT USING THE SAME

PROBLEM TO BE SOLVED: To perform appropriate circuit protection without reduction in power efficiency.SOLUTION: An in-vehicle power-supply circuit includes: a storage battery 6; a fuse 7 connected to the storage battery 6; a series connection body 11 connected to the fuse 7 and composed of a choke c...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMURA MASAFUMI, TAKAMATSU KAZUYOSHI, TAKAHASHI HIDEKI
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 BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To perform appropriate circuit protection without reduction in power efficiency.SOLUTION: An in-vehicle power-supply circuit includes: a storage battery 6; a fuse 7 connected to the storage battery 6; a series connection body 11 connected to the fuse 7 and composed of a choke coil 9 and a switching element 10; a rectifier smoothing circuit 12 connected between the choke coil 9 and the switching element 10; an output terminal 13 connected to the rectifier smoothing circuit 12; and a control circuit 19 controlling the switching element 10. When a negative electrode of the storage battery 6 is connected to the fuse 7 side, the fuse 7 is disconnected by a diode 21, the choke coil 9, and the fuse 7 being energize by series connection, so that the choke coil 9, the switching element 10, and the control circuit 19, and a rectifier circuit are protected.