POWER SUPPLY DEVICE FOR VEHICLE
First Claim
1. A power supply device to be mounted on a vehicle, comprising:
- a power storage device configured to be chargeable and dischargeable;
a power line;
a connection unit having a connecting state electrically connecting said power storage device to said power line and a disconnecting state electrically isolating said power storage device from said power line;
a power supply unit obtaining a supplied power according to a power command from an outside of the vehicle, and providing said supplied power to said power line;
an accessory load connected to said power line;
a voltage detecting unit detecting a voltage on said power line; and
a control device controlling at least said connection unit, said power supply unit and said accessory load, whereinwhen said accessory load is driven by said supplied power, said control device sets said connection unit in said disconnecting state, and produces said power command based on a predetermined target value of the voltage on said power line and a result of detecting by said voltage detecting unit such that said detecting result of said voltage detecting unit attains said target value.
1 Assignment
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Accused Products
Abstract
A power supply device for a vehicle includes a battery, a power line (power supply line and ground line), a connection unit, a charger that is an electric power supply unit, an accessory load, a voltage sensor and a control device. When the accessory load is operating, the control device sends signals to the connection unit to turn off all of three system main relays. Thereby, battery is electrically disconnected from charger. The control device further produces a power command based on a predetermined target voltage and a voltage detected by the voltage sensor such that the detected voltage attains the target voltage.
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Citations
6 Claims
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1. A power supply device to be mounted on a vehicle, comprising:
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a power storage device configured to be chargeable and dischargeable; a power line; a connection unit having a connecting state electrically connecting said power storage device to said power line and a disconnecting state electrically isolating said power storage device from said power line; a power supply unit obtaining a supplied power according to a power command from an outside of the vehicle, and providing said supplied power to said power line; an accessory load connected to said power line; a voltage detecting unit detecting a voltage on said power line; and a control device controlling at least said connection unit, said power supply unit and said accessory load, wherein when said accessory load is driven by said supplied power, said control device sets said connection unit in said disconnecting state, and produces said power command based on a predetermined target value of the voltage on said power line and a result of detecting by said voltage detecting unit such that said detecting result of said voltage detecting unit attains said target value. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification