Method and system for fan control in vehicle regeneration mode
A technology of fan control and mode, applied in electrical control, engine control, fuel injection control, etc., to ensure normal jumping, avoid noise and fuel consumption
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Embodiment 1
[0048] like figure 1 and figure 2 As shown, a method for controlling a fan in a vehicle regeneration mode includes the following steps:
[0049] Step S1, obtaining the engine running state;
[0050] Step S2, judging whether the engine running state is the Lof regeneration stage or the Dry regeneration stage;
[0051] Step S3, if yes, start the Lof regeneration stage timing or Dry regeneration stage timing, and obtain the fan type;
[0052] Step S4, judging whether the fan type is controlled;
[0053] Step S5, if it is controlled, obtain the fan fully-on condition in the regeneration mode;
[0054] Step S6, judging whether the fan fully open condition matches the preset condition;
[0055] Step S7, if it matches, control the fan to switch from the normal opening degree to the full opening in the regeneration mode.
[0056] After the method of the invention is adopted, when the engine runs to the Lof regeneration stage or the Dry regeneration stage, the state of the fan i...
Embodiment 2
[0080] like image 3 As shown, a fan control system in a vehicle regeneration mode includes an electronic control unit, and a state detection unit, which is electrically connected to the electronic control unit, respectively. The state detection unit is used to determine whether the engine running state is in the Lof regeneration stage or in the dry regeneration stage. stage, if yes, start the Lof regeneration stage timing or Dry regeneration stage timing; fan type detection unit, the fan type detection unit is used to determine whether the fan is controlled; the fan fully open condition detection unit, the fan fully open condition detection unit is used to determine the fan Whether the full-on condition is met; the execution unit, the execution unit is used to control the fan to switch from the normal opening to the fully-on state in the regeneration mode.
[0081] like image 3 As shown in the figure, the system also includes: a preset unit electrically connected to the ele...
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