Temperature controller

The utility model discloses a temperature controller in the technical field of industrial control, and the temperature controller comprises an acquisition module which comprises a sensor voltage signal sampling unit, a first-order filter circuit, a signal amplification processing circuit and an A/D sampling circuit which are connected in sequence, and the acquisition module is used for acquiring temperature signals; the execution module comprises a PWM output circuit I, a voltage driving circuit and a load adjusting circuit, and the execution module is used for controlling a load to work; and the MCU control module is electrically connected with the acquisition module and the execution module, and the MCU control module is used for acquiring the temperature signals acquired by the acquisition module and controlling the execution module to work. A sensor voltage signal collected by the temperature controller is subjected to first-order filtering to filter out an interference signal, and then is sent to the MCU