Temperature adjustment null of cistern type cold energy shock test

摘要

PURPOSE:To save energy when the liquid temperatures of a cooling tank and heating tank are changed in a liquid-tank type cold and heat shock testing apparatus. CONSTITUTION:A cooling circuit 3 comprising a liquid sending pump 5 and a cooler 7 and a heating circuit 4 comprising liquid sending pump 8 and a heater 10 are provided in a cooling tank 1 and a heating tank 2, respectively. A low-liquid-temperature adjusting circuit 11 and a high-liquid-temperature adjusting circuit 12 which are linked to heat transfer tubes 14 and 17 through first to third opening-and-closing valves 6, 9, 13, 15, 16 and 18 are provided for the cooling circuit 3 and the heating circuit 4 so that the circuits 11 and 12 can be switched. Blowing fans 19 and 20 are attached to the heat transfer tubes 14 and 17.