PLUG-IN HYBRID SERVICE VEHICLE

Japanese Patent JP2017128186

A

PROBLEM TO BE SOLVED: To avoid possibility that a voltage of a first battery becomes lower than a reference voltage value after a second battery is charged by an external power source.SOLUTION: A plug-in hybrid service vehicle comprises: a first battery 27 which is charged by an on-vehicle power generator; a second battery 30 which is charged by an external power source 28; a charge switch 44; a DC-DC converter 39; a voltage judgement part 25D, and a charge control part 25F. The charge control part 25F performs charge control in such a way that the second battery 30 is charged from the external power source 28 when it is judged by the voltage judgement part 25D that a voltage of the first battery 27 exceeds a reference voltage value required for start-up of an engine during charging by the external power source 28, and performs charge control in such a way that the first battery 27 is charged from the external power source 28 via the DC-DC converter 39 and so on prior to charging the second battery 30 when it is judged by the voltage judgement part 25D that a voltage of the first battery 27 is equal to or lower than the reference voltage value.SELECTED DRAWING: Figure 5

NISHINAKA MASAAKI

JP2016008055A

July 27, 2017

January 19, 2016

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KUBOTA KK

B60W10/26; B60K6/28; B60L11/18; B60L50/16; B60W20/00

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WO2011099116A1	2011-08-18
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