The invention provides a PTC assembly with alarming and automatic air volume adjusting functions. The PTC assembly is characterized in that a PTC core body, a fan, a direct-current contactor, a direct-current relay and a temperature control switch are arranged in a shell, the contacts of the direct-current relay are respectively connected with a first power supply and the fan, the PTC control signal output end of an air conditioner controller is connected with the coil input ends of the direct-current relay and the direct-current contactor, the coil output ends of the direct-current relay andthe direct-current contactor are jointly connected to the negative electrode of the fan, the PWM speed regulation signal output end of an automobile air conditioner is connected with the PWM signal receiving end of the fan, the contact of the direct-current contactor is connected with the positive electrode of a second power supply and one end of the PTC core body, the other end of the PTC core body is connected with the negative electrode of the second power supply, one end of the temperature control switch is connected with the PTC detection wire inlet end of the air conditioner controller,and the other end of the temperature control switch is grounded. The PTC assembly has the alarm and air volume automatic regulation functions, and PTC air volume stepless speed regulation and over-temperature alarm are achieved.
本发明提供一种具有报警及风量自动调节功能的PTC总成,外壳内设置有PTC芯体、风机、直流接触器、直流继电器与温控开关,所述直流继电器的触点分别连接第一电源与风机,空调控制器的PTC控制信号输出端分别连接直流继电器与直流接触器的线圈输入端,直流继电器与直流接触器的线圈输出端共同连接至风机负极,汽车空调的PWM调速信号输出端与所述风机PWM信号接收端连接;所述直流接触器的触点分别连接第二电源的正极与PTC芯体的一端,所述PTC芯体的另一端接第二电源的负极;所述温控开关一端连接空调控制器的PTC检测进线端,另一端接地。本发明具有报警及风量自动调节功能,实现了PTC风量无极调速及过温报警。
PTC assembly with alarming and automatic air volume adjusting functions
一种具有报警及风量自动调节功能的PTC总成
2021-03-05
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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