System for converting heat energy into refrigeration energy during working of tunnel machine

• Main Authors: XU DONGDONG, LIU GENG, ZHANG ENDA, LIU NAIFEI, ZHANG YUWEI, ZHANG JIAN, SONG ZHANPING, LIU YONGGUO
• Format: Patent
• Language: Chinese; English
• Published: 28.07.2023
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERATION; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model belongs to the field of tunnel construction, and relates to a system for converting heat energy into refrigeration energy when a tunnel machine works. Comprising an air compressor, a temperature difference generator, a cooler, an expansion machine, a voltage stabilizer and refrigeration equipment, the air compressor is connected with the temperature difference generator, the temperature difference generator is connected with the expansion machine, the cooler and the refrigeration equipment, and the voltage stabilizer is arranged between the temperature difference generator and the refrigeration equipment. The thermoelectric generator comprises an interface section, a heat collection layer, a thermoelectric power generation layer and a heat dissipation layer, the interface section and the heat collection layer are integrally formed and are made of aluminum alloy, the inner layer of the thermoelectric power generation layer is attached to the heat collection layer, and the outer layer of the t