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公开(公告)号：US10381695B2
公开(公告)日：2019-08-13
申请号：US15092089
申请日：2016-04-06
发明人： Kiyoe Ochiai , Junta Izumi , Kiyohito Machida , Masakazu Habu
IPC分类号： H01M10/0525 , H01M10/633 , B60H1/00 , H01M10/625 , H01M10/6563 , H01M10/34 , B60L3/00 , B60L58/26
摘要： A secondary battery is installed on an electric vehicle and includes a cooling fan, a temperature sensor and a controller. The controller is configured to drive the cooling fan at a fixed command value for a predetermined period, when the temperature of the secondary battery becomes equal to or higher than a first predetermined temperature after the electric vehicle is started. The controller is configured to detect a presence or absence of an abnormality in the cooling fan based on an actual rotational speed of the cooling fan during the predetermined period. The controller is configured to inhibit driving of the cooling fan at the fixed command value when the temperature of the secondary battery is equal to or higher than a second predetermined temperature that is higher than the first predetermined temperature.
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公开(公告)号：US20160347302A1
公开(公告)日：2016-12-01
申请号：US15162170
申请日：2016-05-23
CPC分类号： B60L11/1875 , B60L1/00 , B60L11/1814 , B60L11/1818 , B60L2240/545 , B60L2240/80 , Y02T10/7005 , Y02T10/705 , Y02T10/7072 , Y02T90/127 , Y02T90/14 , Y10S903/907 , Y10S903/93
摘要： A vehicle includes an electrical storage device, an auxiliary load, a charger configured to charge the electrical storage device with power supplied from a power supply outside the vehicle, and an electronic control unit. The electronic control unit is configured to create an actuation schedule of the auxiliary load during charging of the electrical storage device, before initiation of the charging. The electronic control unit is configured to learn charging power of the electrical storage device for each actuation pattern of the auxiliary load during the charging. The electronic control unit is configured to estimate a required time period for the charging based on a learned value of the charging power, an execution time period of each of the actuation patterns, and a total charging power amount of the electrical storage device. The electronic control unit sets initiation time of the charging in accordance with the estimated required time period.
摘要翻译： 车辆包括蓄电装置，辅助负载，充电器，其构造成对从蓄电池外部的电源供给的电力对蓄电装置充电;以及电子控制单元。 电子控制单元被配置为在开始充电之前在电存储装置的充电期间创建辅助负载的致动调度。 电子控制单元被配置为在充电期间学习辅助负载的每个致动模式的蓄电装置的充电功率。 电子控制单元被配置为基于充电功率的学习值，每个致动模式的执行时间周期和蓄电装置的总充电电力量来估计充电所需的时间段。 电子控制单元根据估计的所需时间设定充电的启动时间。
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公开(公告)号：US10804575B2
公开(公告)日：2020-10-13
申请号：US16227768
申请日：2018-12-20
摘要： A battery pack includes a plurality of modules connected in series to one another. Each of the plurality of modules includes a plurality of cells connected in parallel to one another. If a first condition and a second condition are satisfied, an ECU diagnoses an abnormality in which a current path of a cell included in any module breaks. The first condition is a condition that the voltage difference between the maximum voltage and the minimum voltage among a plurality of voltage values is less than a reference value before execution of plug-in charging control, each of the plurality of voltage values being detected by a corresponding one of a plurality of voltage sensors. The second condition is a condition that the voltage difference between the maximum voltage and a voltage is more than or equal to the reference value after execution of the plug-in charging control.
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公开(公告)号：US10790556B2
公开(公告)日：2020-09-29
申请号：US16245834
申请日：2019-01-11
IPC分类号： H01M10/42 , H01M10/48 , H01M10/613 , G01R19/02 , G01R31/3842 , H01M10/6563
摘要： An ECU performs a process including the steps of: acquiring a lowest temperature TBmin and a temperature TC of cooling air; acquiring a fan airflow volume; setting a cooling coefficient; calculating a resistance value Rtmin; calculating a root-mean-square value of a current; setting TBoffset1; calculating a resistance value Rtmax; calculating a temperature index Ftmax; calculating a temperature index Ftmin; calculating an evaluation function ΔF; calculating a maximum current correction gain G; and calculating a maximum current value Imax.
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公开(公告)号：US10403942B2
公开(公告)日：2019-09-03
申请号：US15092207
申请日：2016-04-06
发明人： Junta Izumi , Kiyohito Machida , Masakazu Habu , Kiyoe Ochiai
IPC分类号： B60L11/18 , H01M10/613 , B60H1/00 , H01M10/44 , H01M10/48 , H01M10/625 , H01M10/6563 , B60L58/26
摘要： A cooling system for cooling a main battery 10 includes a cooling fan 40 and a temperature sensor 61 configured to detect a battery temperature TB. The cooling system performs constant control in which the cooling fan 40 is driven at a constant command value when the battery temperature TB reaches or exceeds a first temperature T0 after startup of the electrically powered vehicle. Additionally, the cooling system detects whether or not a malfunction occurs in the cooling fan 40, based on an actual rpm of the cooling fan 40 obtained during the constant control. The cooling system performs the constant control in a situation in which charging of the main battery 10 is continued for a predetermined period of time or longer after the startup of the vehicle, regardless of whether the battery temperature TB is below the first temperature T0.
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公开(公告)号：US10297883B2
公开(公告)日：2019-05-21
申请号：US15094216
申请日：2016-04-08
发明人： Junta Izumi , Kiyohito Machida , Masakazu Habu , Kiyoe Ochiai
IPC分类号： H01M10/48 , H01M10/6563 , H01M10/613 , H01M10/625 , H01M10/633
摘要： If the battery temperature TB of the main battery is equal to or higher than the first temperature T0 and a noise level within a vehicle interior is equal to or higher than a predetermined value Lo during inhibition of the first constant control under a predetermined condition, the cooling system performs second constant control for driving the cooling fan with a second command value D3 and also performs the problem detection processing based on an actual rotation rate of the cooling fan during the second constant control.
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公开(公告)号：US20180201150A1
公开(公告)日：2018-07-19
申请号：US15861162
申请日：2018-01-03
发明人： Kazuki Kubo , Kiyohito Machida , Tsutomu Kawasaki
CPC分类号： B60L11/1868 , B60L8/003 , B60L50/61 , B60L58/13 , B60L58/20 , B60L58/25 , B60L2240/545 , F02N11/0862 , Y02T10/6217 , Y02T10/7005 , Y02T10/7044 , Y02T10/7066 , Y02T10/7077 , Y02T10/7083 , Y10S903/903
摘要： An electric vehicle includes: a rotating electric machine; a photovoltaic cell; a first electricity storage device that is charged with electricity output from the photovoltaic cell; a second electricity storage device that is chargeable with electricity generated by the rotating electric machine, and serves as a power source for generating driving force of the vehicle; and a control device. The control device either prohibits charging the first electricity storage device or lowers an upper limit value of an SOC of the first electricity storage device while the control device is executing second charge control of charging the second electricity storage device with generated electricity generated by the rotating electric machine.
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公开(公告)号：US11353514B2
公开(公告)日：2022-06-07
申请号：US16728376
申请日：2019-12-27
发明人： Yoshihiro Uchida , Kiyohito Machida , Yuki Moriya , Nobuyuki Tanaka , Kazuki Kubo , Masaki Uchiyama
IPC分类号： H01M10/42 , G01R31/382 , H01M10/48
摘要： An ECU sets a SOC estimated from an OCV at the time of activating a system of a vehicle as an initial SOC value in the case where the SOC during a stop of the system is higher than a first SOC, which represents the SOC estimated from the OCV at the time of activating the system by using a discharging curve line, or the SOC during the stop of the system is lower than a second SOC, which represents the SOC estimated from the OCV at the time of activating the system by using a charging curve line. The ECU sets the SOC during the stop of the system as the initial SOC value in the case where the SOC during the stop of the system is equal to or lower than the first SOC and is equal to or higher than the second SOC.
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公开(公告)号：US11251473B2
公开(公告)日：2022-02-15
申请号：US16768376
申请日：2018-11-30
摘要： A secondary battery system includes an assembled battery that includes a plurality of blocks that are connected in series to one another. Each of the plurality of the blocks includes same number of cells that are connected in parallel to one another. A control device is configured to calculate an internal resistance ratio and a protection current. The internal resistance ratio is a value obtained by dividing the higher one of internal resistances by the lower one of the internal resistances of two of the plurality of the blocks. The protection current is a value obtained by multiplying the internal resistance ratio by a current value of the assembled battery detected by a current sensor. The control device is configured to perform the charge-discharge control based on the protection current.
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公开(公告)号：US11056733B2
公开(公告)日：2021-07-06
申请号：US16352209
申请日：2019-03-13
发明人： Yoshihiro Uchida , Kazuki Kubo , Nobuyuki Tanaka , Kenta Onishi , Yuki Moriya , Kiyohito Machida
IPC分类号： H01M10/625 , B60L58/10
摘要： A flue gas detection system includes: a temperature sensor configured to detect a temperature in a duct; a temperature sensor configured to detect a temperature in a duct; and an ECU. The ECU is configured to determine that a high-temperature gas is released from an assembled battery, when a period during which a temperature increase amount in the duct is more than a reference amount and a period during which a temperature increase amount in the duct is more than a reference amount are included in a predetermined period.
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