The invention discloses an automobile fresh air automatic replacement ventilation system which comprises a temperature sensor, a CO2 sensor, a mobile power source, an alarm indicator lamp and a USB fan, the temperature sensor and the CO2 sensor detect the indoor air quality, a controller is connected with the mobile power source to supply power to the USB fan, and a non-return air valve is arranged on an exhaust pipe of an outlet of the USB fan. The indoor air quality can be detected through the temperature sensor and the CO2 sensor, when the temperature or the concentration of harmful substances exceeds a set value, the non-return air valve is opened under the action of air pressure, indoor air is exhausted, when the temperature and the concentration of the harmful substances in a vehicle are reduced to be lower than target values, the controller cuts off an output power supply, after the indoor air quality is reduced, the indoor air is actively replaced, outdoor fresh air is introduced, the quality of air in the vehicle is not lower than the outdoor natural environment, the comfort of people in the vehicle is guaranteed, and the time for manual ventilation of the vehicle before getting on the vehicle due to the fact that the temperature in the vehicle is too high and the number of pollutants is large is shortened.
本发明公开了一种汽车新风自动置换通风系统,包括温度传感器、CO2传感器、移动电源、报警指示灯、USB风扇,温度传感器和CO2传感器检测室内空气品质,控制器接通移动电源对USB风扇供电,USB风扇出口的排风管上设置有止回风阀。本发明通过温度传感器和CO2传感器会检测室内空气品质,当温度或有害物浓度超过设定值时,在风压作用下打开止回风阀,排出室内空气,当车内温度、有害物浓度降低到目标值以下,控制器切断输出电源,室内空气品质下降后,主动对室内空气进行置换,引入室外新风,使车内的空气品质不低于室外自然环境,保证车内人员的舒适性,缩短由于车内温度过高,污染物较多时,上车前需要对车进行人工通风的时间。
Automobile fresh air automatic replacement ventilation system
一种汽车新风自动置换通风系统
2021-06-22
Patent
Electronic Resource
Chinese
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
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