Ventilating device in automobile

The utility model discloses a ventilating device in an automobile and belongs to the technical field of automobile electronics. The utility model solves the problems in the prior art that when being in the automobile for a long time, person in the automobile needs to repeatedly open an air conditioner to ventilate, so that the operation is troublesome; and the power consumption is larger when the ventilation is always on. The ventilating device comprises an air blower and an air blower control circuit, wherein the air blower is used for realizing the exchange between air in the automobile and outside air; the air blower control circuit is used for controlling the on and off operation of the air blower; and the air blower control circuit is connected with the air blower. The ventilating device further comprises a controller; the air blower control circuit is also connected with the output end of the controller; the input end of the controller is connected with an operation panel for setting the timing time for time opening of the air blower and the opening duration of the air blower; and the controller is also connected with a timer for timing. The ventilating device has the benefits that the exchange between the air in the automobile and the outside air can be realized, the power consumption is less, and no manual turnoff operation is needed, so that the operation is simple.