A temperature control system for preparation of large -scale waterproof material

The utility model discloses a temperature control system for preparation of large -scale waterproof material, including resistance R1, chip IC1, triode V1 and MOS pipe Q1, diode D1's negative pole, resistance R3, electric capacity C2, triode V2's projecting pole, triode V3's projecting pole, unidirectional thyristor Q1's central electrode and 220V alternating current are connected to resistance R1's one end, diode D1's positive pole connecting resistance R6, electric capacity C1 and diode D2's negative pole, and the other end of electric capacity C1's the other end, electrothermal tube H and 220V alternating current is connected to resistance R6's the other end. The utility model discloses a temperature control system for preparation of large -scale waterproof material circuit structure is simple, components and parts are few, utilizes VWH8778 switcher chip and bidirectional thyristor Q1 as controlling element, has realized the accurate control to the temperature, simultaneously still has protect function, wh