Heat preservation and temperature sensing device of ice box for PCR (Polymerase Chain Reaction) experiment

The utility model discloses a heat preservation and temperature sensing device of an ice box for PCR (polymerase chain reaction) experiments, which comprises a device main body, an ice box heat preservation cavity is arranged at the upper end of the device main body, the upper end of the ice box heat preservation cavity is open, and a temperature sensor gasket is mounted at the bottom of the ice box heat preservation cavity; a control mainboard is installed in the device body, a liquid crystal display screen is arranged on the front side of the device body, the control mainboard is electrically connected with a temperature sensor gasket and the liquid crystal display screen, and after the temperature sensor gasket transmits sensed temperature to the control mainboard, the control mainboard controls the liquid crystal display screen to display the sensed temperature. According to the ice box for the PCR experiment, the heat preservation effect can be achieved on the ice box for the PCR experiment, the service