Temperature controlling device and method for uniaxial compression test

The invention belongs to a digital temperature control device, and relates to a device and method for keeping constant temperature of a test piece during a uniaxial compression test, and the device ismainly composed of a test piece under test, a temperature detection system, an external heating system and a temperature control system, wherein the temperature detection system comprises a temperature sensing patch, a sensing line and a digital thermometer; the external heating system comprises a heating plate, a temperature sensing probe and a sensing line; the temperature control system refersto a temperature controller; the upper part of the heating plate is connected to the upper block of the uniaxial compression testing machine, and a certain gap is left between the lower part and thetesting machine; the thermostat extends below the heating plate to control the temperature of the heating plate at any time to ensure the temperature of the test piece and the surrounding area. The device has a simple structure