It includes the case and the control circuit and rectifier circuit installed in the shell, which is characterized by:
1 The surface of the shell has a power switch and temperature settings tuning component that connects to the electrical connection with the control circuit;
2 There is also a power supply input terminal and power output wiring end with the surface of the shell;
3 Control circuit includes room temperature control signal generators connected to Electric Filter Fan Cabinet Heater Fan Heater with Thermostat the low -voltage DC output end with the rectification circuit, the temperature control signal generator of the heating plate body, the system temperature control signal generator and the driving circuit;
4 The signal input terminal of the temperature control signal generator is connected to the room temperature sensor set in the room, and the other signal input terminal is connected to the temperature settings. Enter end connection;
5 -round heating plate temperature control signal generator includes the plate body temperature sensor set in the heating plate body, the preset component of the plate body temperature, and the module of the plate temperature control signal connected to them. The control signal input terminal connection of the drive circuit;
6 System temperature control signal generator includes the system temperature sensor set in the shell, the system temperature preset component of the system, and the module of the overheating signal connected to them. Enter end connection;
7 Drive circuits include the switching circuit and the relay connected to the output end of the switch circuit. The two pilots of the relay are connected to the fire line end of the power supply input wiring end and the power output wiring end in the shell.