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Electric vehicle

A technology for electric vehicles and electricity, applied in electric vehicles, vehicle energy storage, electric vehicle charging technology, etc., and can solve problems such as auxiliary battery discharge

Inactive Publication Date: 2012-05-09
TOYOTA IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the control circuit of the electric vehicle must continue to operate in order to wait for charging to start. During this period, the auxiliary battery is continuously supplied with power to the control circuit, so the auxiliary battery is discharged unnecessarily.

Method used

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  • Electric vehicle
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1 It is a diagram showing a vehicle charging system.

[0026] figure 1 The illustrated vehicle charging system 11 supplies electric power from a charging station 12 to an electric vehicle 13 such as a hybrid car, an electric car, or the like.

[0027] The electric vehicle 13 of the present embodiment has: an ECU 14 that controls the charging process when charging a battery for driving a motor for driving the vehicle with the electric power supplied from the charging station 12; Electricity charges the battery.

[0028] The charging plug 17 set at the end of the AC cable 16 extending from the charging station 12 is inserted by the user into the socket 18 electrically connected to the charger 15, and when the charging start time is set in the charging station 12, the Electric power is supplied from the charging station 12 to the electric vehicle 13 at this charging start time.

[0029] figure 2 It is a figure which shows the structure of the charging station ...

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PUM

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Abstract

Provided is an electric vehicle that can minimize the discharge of an auxiliary battery, which supplies electric power to a control circuit that controls the charging-processing, while timer-charging is being executed. When a charging-start timing configured by a user will be later than a prescribed elapsed time, the supplying of electric power to a CPU (36) and the like from an internal power supply circuit (35) will be stopped, until supplying of electric power to the electric vehicle (13) from a charging station (12) is started, and the supplying of electric power to the CPU (36) and the like from the internal power supply circuit (35) will be restarted when the supplying of electric power to the electric vehicle (13) is started.

Description

technical field [0001] The present invention relates to an electric vehicle in which a battery for driving a motor for driving the vehicle is charged with electric power supplied from a charging station. Background technique [0002] In view of environmental issues, attention has been paid to electric vehicles such as electric vehicles and plug-in hybrid vehicles equipped with electric motors for driving the vehicles. (For example, refer to Patent Document 1 or Patent Document 2). [0003] In such an electric vehicle, the order of starting charging of the battery for driving the electric motor is, for example, as follows. [0004] 1) A user inserts a charging plug provided at an end of an AC cable extending from a charging station into an inlet (Inlet) connected to a charger of an electric vehicle. [0005] 2) A start signal is sent from the charging station to an ECU (hereinafter referred to as a control circuit) that controls the charging process of the electric vehicle ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/04B60L11/18H01M10/44H02J7/00H02J7/10
CPCB60L11/1848Y02E60/12Y02T90/169B60L2230/40Y02T90/128Y02T10/7005Y02T90/14B60L11/185B60L11/1816G07F15/005H01M10/44B60L11/1846Y02T10/7088Y04S30/14Y02T90/121G07F17/0021Y02T90/163B60L53/14B60L53/65B60L53/665B60L53/11B60L53/68Y02T10/7072Y02T10/70Y02T90/12Y02T90/167Y02T90/16Y02E60/10H02J7/04H02J7/00B60L50/50
Inventor 中岛丰
Owner TOYOTA IND CORP