Battery control device, battery control method, operation management system and method
A battery control and battery technology, which is applied to battery/fuel cell control devices, control devices, power consumption devices, etc., can solve the problems of reduced vehicle operation rate and longer charging time.
Pending Publication Date: 2022-08-02
TOYOTA JIDOSHA KK
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[0027] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. figure 1It is a figure which briefly shows the operation system 10 of a regular-route bus. The vehicle 12 of the route bus travels along the route (route) 14 determined according to the operation plan, and stops 16 are provided at a plurality of positions in the middle of the route 14 . The operating system 10 has two paths 14, that is, a circuit route 14A and a reciprocating route 14B. The path may be only one of the loopback path and the round-trip path, and may have more paths. The vehicle 12 stops at each stop 16 or a desired stop 16, circles in one direction on the loop path 14A, and reciprocates on the reciprocating path 14B. The vehicle 12 is an electric vehicle that travels with electric power of a mounted battery. A charging station 18 is provided adjacent to the route 14 , and the vehicle 12 charges the battery at the charging station 18 . The c...
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The invention relates to a battery control device, a battery control method, an operation management system and an operation management method. The battery control device includes: a charge / discharge control unit; an outside air temperature acquisition unit; and an upper limit storage capacity setting unit that, when the acquired outside air temperature is lower than a predetermined air temperature, sets an upper limit storage capacity, which is an upper limit value of the management range of the storage capacity, to a low-temperature upper limit storage capacity that is lower than the upper limit storage capacity when the outside air temperature is higher than the predetermined air temperature. And a lower limit charge amount setting unit that sets, when the acquired outside air temperature is lower than a predetermined air temperature, a lower limit charge amount, which is the lower limit value of the charge amount management range, to a low-temperature lower limit charge amount that is lower than the lower limit charge amount when the outside air temperature is higher than the predetermined air temperature.
Description
technical field [0001] The present invention relates to battery control and operation management of electric vehicles. Background technique [0002] The electric vehicle stores electric power in a mounted battery, and drives a motor by the electric power to travel. The characteristics of the battery change according to its temperature. There is known a technique of changing the control of charge and discharge in accordance with a change in characteristics due to a temperature change of a battery. The following Japanese Patent Laid-Open No. 2006-81300 discloses a technique for changing the upper limit value and the lower limit value of the input / output voltage to the battery in accordance with the temperature of the battery in the control of the battery of the hybrid vehicle. [0003] There is a tendency that the charging time of the battery becomes longer as the temperature becomes lower. Especially in commercial vehicles such as route buses and taxis, a long charging tim...
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IPC IPC(8): B60L58/13B60L58/24B60L53/66B60L53/62B60L3/00H01M10/42
CPCB60L58/13B60L58/24B60L53/665B60L53/62B60L3/0046H01M10/425B60L2240/545H01M2010/4271H01M2010/4278B60L58/25B60L2240/662B60L2260/56B60L2260/52B60L2260/54H01M10/443H01M10/486G01R31/382B60W10/26B60L58/12
Inventor 小西敏之
Owner TOYOTA JIDOSHA KK