The invention discloses a high-voltage power supply distribution box assembly which includes a box body and a box cover which are in sealed connection. The inner portion of the box body is provided with a control unit, a pre-charging unit, and a short-cut protection and power distribution unit. The control unit includes a main relay. The pre-charging unit includes a pre-charging relay and a pre-charging resistor. The short-cut protection and power distribution unit includes a converging switching sheet, a subcircuit short-cut protection device and a subcircuit relay. The main relay has a positive electrode connected to a positive electrode of the pre-charging relay. The pre-charging relay has a negative electrode connected to one end of the pre-charging resistor. The other end of the pre-charging resistor is connected to a negative electrode of the main relay. The negative electrode of the main relay is connected to the subcircuit short-cut protection device and the subcircuit relay via the converging switching sheet. The assembly has a high safety performance and a high integration.
High-voltage power supply distribution box assembly
2015-12-09
Patent
Electronic Resource
English
IPC: | H02B BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER , Schalttafeln, Unterstationen oder Schaltanordnungen für die Abgabe oder Verteilung elektrischer Energie / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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