TROUBLESHOOTING METHOD AND TROUBLESHOOTING APPARATUS FOR CRYOGENIC REFRIGERATING MACHINE

• Main Authors: YAGI MINORU, NOMI KAZUHIRO
• Format: Patent
• Language: English
• Published: 26.02.2003
• Edition: 7
• Subjects: BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; WEAPONS

PROBLEM TO BE SOLVED: To provide a troubleshooting method for a cryogenic refrigerating machine comprising the steps of finding a refrigerating machine exhibiting a deteriorated refrigeration performance from among an enormous number of base stations, and executing maintenance and inspection in an early stage, and to provide a troubleshooting apparatus for the same. SOLUTION: The troubleshooting apparatus for the cryogenic refrigerating machine comprises a cold box 6, a cold stage 7a provided in the cold box 6, a cryogenic compressor 7c for cooling the cold stage 7a, circuit elements installed in the cold stage 7a, a sensor provided on an arbitrary one of the elements and having an arbitrary detecting function, and a controller 8 to which a detection signal of the sensor is inputted and which executes control for troubleshooting the cryogenic refrigerating machine 7 when the value of the input signal is judged to be abnormal.