The invention relates to an automobile pressure control system in an automobile air conditioner pipe. The automobile air conditioner pipe internal pressure automatic control system comprises a sensorunit used for receiving a pressure signal representing air conditioner pipe internal pressure, a PWM signal generation unit for controlling PWM speed change to control the rotational speed of a cooling fan, a voltage stabilization output unit used for controlling the voltage to control the rotating speed of the cooling fan and providing working voltage for the PWM signal generation unit, and a processing unit used for controlling the PWM signal generation unit and the voltage stabilization output unit according to comparison between the conditioner pipe internal pressure value represented by the pressure signal and a preset pressure threshold value, so that the air conditioner pipe pressure value is consistent with the preset pressure threshold value.
本发明涉及汽车空调管内压力自动控制系统。汽车空调管内压力自动控制系统包括:传感器单元,其用于接收表示空调管内压力的压力信号;PWM信号生成单元,其用于控制PWM变速控制冷却风扇的转速;稳压输出单元,其用于控制电压控制冷却风扇的转速,以及为PWM信号生成单元提供工作电压;以及处理单元,其用于根据压力信号表示的空调管内压力值和预设压力阈值的比较来控制PWM信号生成单元和稳压输出单元,以使得空调管内压力值与预设压力阈值一致。
Automobile air conditioner pipe internal pressure automatic control system
汽车空调管内压力自动控制系统
2020-09-15
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 / F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen |
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