vehicle controls

A technology for control devices and vehicles, applied in control devices, road vehicle drive control systems, power devices, etc., can solve the problems of high-voltage secondary batteries that are prone to premature degradation, and achieve the goal of improving fuel economy and preventing premature degradation Effect
CN103534143BInactive Publication Date: 2016-02-17MAZDA MOTOR CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
MAZDA MOTOR CORP
Publication Date
2016-02-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention can effectively utilize the electric energy of the vehicle, and can effectively prevent the premature deterioration of the second power storage device. The present invention is a control device for a vehicle that supplies electric power to electric loads of the vehicle, comprising: a first power storage device (3) capable of maintaining electric power for a long time; a second power storage device (6) capable of The device (3) charges and discharges faster; the ignition switch detection unit (24) detects the operating state of the ignition switch of the vehicle; the voltage detection unit (10) detects the voltage of the second power storage device (6); The discharge unit (25), when the ignition switch detection unit (24) detects that the ignition switch is turned off and the voltage detection unit (10) detects that the voltage of the second power storage device (6) is in advance If it exceeds the set reference value, the electric power stored in the second power storage device (6) is discharged.
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Description

technical field

[0001] The present invention relates to a vehicle control device that supplies electric power to electric loads of the vehicle, and includes a first power storage device that can hold electric power for a long period of time, and a second power storage device that can charge and discharge faster than the first power storage device. 2. Power storage device. Background technique

[0002] Conventionally, as shown in the following patent document 1, there is known a control device for a vehicle, which includes: a secondary battery for high voltage, which mainly supplies power to a motor for driving the vehicle, and is composed of a lithium battery or the like; The secondary battery, which supplies power to auxiliary machines such as wipers and air conditioners, is composed of lead storage batteries; the power supply control unit operates the charging circuit connected to the high-voltage secondary battery to charge the above-mentioned low-voltage secondary batter...

Claims

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