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Vehicle

A vehicle and storage battery technology, applied in the field of vehicles, can solve the problems of increasing the number of components and increasing product costs, and achieve the effect of avoiding overcharging

Inactive Publication Date: 2018-12-11
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if such an additional circuit is provided, there is a problem in that the number of parts increases resulting in an increase in product cost

Method used

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Embodiment Construction

[0031] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0032] figure 1 It is a figure which shows the vehicle which is one embodiment of this invention.

[0033] The vehicle V is provided with an inlet 51 for receiving power supply from the outside. When the connector 83 at the end of the charging cable 82 of the external power supply 80 is connected to the inlet 51 , power can be supplied to the vehicle V from the external power supply 80 . Electric power obtained by this power supply is supplied to an on-vehicle charger 54 connected to the input side of the device at the inlet 51 . Therefore, the power supply from the on-vehicle charger 54 is nothing more than the power supply from the external power supply 80 .

[0034] The vehicle V in the present embodiment is an electric vehicle, and is equipped with a high-voltage battery 2 as a power source for traveling, and supplies driving power from the high-voltage battery 2...

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PUM

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Abstract

The present invention provides a vehicle capable of preventing overcharging of a battery without providing an additional circuit for reducing an output power in a vehicle-mount charger. A vehicle includes a high-voltage battery, a battery heating unit, and an electrical component such as a DC-DC converter, which are capable of being supplied with electrical power by an external power supply, and includes a state-of-charge acquiring unit that acquires a value of the output voltage Vh of the high-voltage battery, a supplied-current-amount acquiring unit that acquires the amount of current Ia supplied to the electrical component, and a control unit that controls the vehicle-mount charger such that, when the output voltage Vh is equal to or higher than a voltage threshold Vt_th, and the supplied current amount Ia is equal to or lower than a threshold Ith, charging of the high-voltage battery performed by the external power supply is stopped and that the electrical power is supplied to theelectrical component from the high-voltage battery.

Description

technical field [0001] The present invention relates to vehicles. Background technique [0002] Vehicles equipped with a high-voltage battery and a low-voltage battery and capable of supplying electric power for charging the high-voltage battery from an external power supply unit are widespread. Among such vehicles, some have a structure in which power for operating electrical equipment such as electrical equipment in the vehicle and a battery warming device is also supplied from an external power supply unit (for example, refer to Japanese Patent Document 1). In the technique disclosed in Patent Document 1, the high-voltage storage battery is charged by an external power supply unit, and on the other hand, when the state of charge of the low-voltage storage battery that supplies power for operating electric equipment falls below a predetermined level, the high-voltage storage battery is charged by a high-voltage battery. The battery charges the low-voltage battery. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18B60R16/033
CPCB60R16/033B60L2210/12B60L1/00B60L1/02B60L2240/545B60L2240/547B60L2240/549B60L58/13B60L58/15B60L53/14Y02T10/70Y02T10/7072Y02T90/14B60L2240/80B60L2210/10
Inventor 榊原尚也
Owner HONDA MOTOR CO LTD