Device for accurately measuring dew point of group dryer

The utility model provides a device for accurately measuring the dew point of a group drying machine, which belongs to the technical field of air purification and comprises a processing cylinder and a drying component arranged on the inner wall of the processing cylinder, the drying component comprises a circulating cylinder, a heat exchange pipe, a non-woven fabric cylinder, a pressurizing fan blade, a conveying pipe and a cooling plate, the circulating cylinder is embedded in the top of the inner wall of the processing cylinder, and the heat exchange pipe is embedded in the non-woven fabric cylinder. And the heat exchange pipe is embedded in the circulating cylinder. Through an excitation structure, an upper connecting rod and a concave position of the upper connecting rod can be made to rise through manual energy storage, an excitation rod is extruded to rise through a pressure bearing rod, an impact spring is extruded, then a torsion rod drives a buckle rod to complete clamping connection of the excitatio