The present disclosure provides "engine block planned heating". A vehicle includes an engine block heater, a traction battery, and a controller. The controller, in response to a temperature being below a threshold, charges the traction battery with grid energy until a state of charge of the traction battery reaches a charge target. The controller is further programmed to, in response to the state of charge reaching the target, discharge the traction battery to power the engine block heater until the state of charge falls below a discharge target or the temperature reaches a temperature target. The controller is further programmed to, in response to the state of charge falling below the discharge target, charge the traction battery using grid energy until the state of charge reaches the charge target. In addition, the controller is programmed to inhibit charging and discharging of the traction battery in response to a temperature reaching a temperature target.
本公开提供了“发动机缸体计划加热”。一种车辆包括发动机缸体加热器、牵引电池和控制器。所述控制器响应于温度低于阈值,利用电网能量对所述牵引电池充电直到所述牵引电池的荷电状态达到充电目标。所述控制器还被编程为响应于所述荷电状态达到所述目标,使所述牵引电池放电以对所述发动机缸体加热器供电,直到所述荷电状态下降到低于放电目标或所述温度达到温度目标。所述控制器还被编程为响应于所述荷电状态下降到低于所述放电目标,使用电网能量对所述牵引电池进行充电直到所述荷电状态达到所述充电目标。另外,所述控制器被编程为响应于温度达到温度目标,禁止对所述牵引电池充电和放电。
Engine block planned heating
发动机缸体计划加热
2023-04-18
Patent
Electronic Resource
Chinese
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