Range extender starting control method and device
A control method and technology of a control device, which are applied in the direction of control device, control drive, motor vehicle, etc., can solve the problems of driver not knowing the starting situation, engine damage, and high post-processing temperature, so as to improve the success rate of starting and avoid false alarms. , Reasonable design effect
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Embodiment 1
[0061] figure 1 It is a flow chart of a range extender startup control method provided in Embodiment 1 of the present invention, as shown in figure 1 As shown, the present invention provides a method for controlling the start of a range extender, comprising the following steps:
[0062] S101: In response to an instruction from the vehicle controller, check the starting state of the range extender;
[0063] Specifically, the checking of the starting state of the range extender includes checking the speed and torque of the engine, and the mode, speed and torque of the generator;
[0064] figure 2 It is a comparative schematic diagram of the torque and speed of the generator provided by Embodiment 1 of the present invention under the driving state and the braking state, as shown in figure 2 As shown, the torque output by the generator in the braking state is a counterclockwise torque, and the torque output by the generator in a driving state is a clockwise torque.
[0065] ...
Embodiment 2
[0085] This embodiment is a further optimization on the basis of embodiment 1, image 3 It is a flow chart of a range extender activation control method provided in Embodiment 2 of the present invention, as shown in image 3 As shown, the control method provided in this embodiment may also include:
[0086] S207: If the starting state of the range extender does not meet the starting condition, report the fault information to the vehicle controller.
[0087] Specifically, the starting state of the range extender does not meet the starting conditions including engine overheating.
[0088] S208: Output the fault information.
[0089] Specifically, the fault information includes fault type, fault parameter and fault cause; the fault type includes but not limited to crankshaft signal fault, fixed shaft fault, insufficient water pressure, abnormal intake pressure, etc.;
[0090] Optionally, the fault information is displayed on the instrument panel for notifying the driver of mai...
Embodiment 3
[0093] Figure 4 It is a flow chart of a range extender activation control method provided in Embodiment 3 of the present invention, as shown in Figure 4 As shown, this embodiment provides a method for controlling the start of a range extender, including the following steps:
[0094] S301: In response to an instruction from the vehicle controller, check the starting state of the range extender;
[0095] S302: judging whether the starting state of the range extender satisfies the starting condition;
[0096] S303: If the starting state of the range extender satisfies the start condition, then initialize the range extender;
[0097] Optionally, a long-time power-off of the range extender can clear the fault data and play an initialization role, thereby avoiding false alarms when reporting fault information to the vehicle controller.
[0098] S304: Control the generator to drive the engine to start;
[0099] S305: When the starting time reaches the preset starting time, judg...
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