Full -automatic check gauge of nuclear power station refrigerating units marching type electronic expansion valve

• Main Authors: Li Ping, Wei Yuqing, Jia Xiaoqiang, Sun Guozhong, Liu Dongbing, Jia Liangbo, Dong Juncheng, Jiang Hao
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2016
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The utility model relates to a refrigerating units overhauls technical field, and concretely relates to full -automatic check gauge of nuclear power station refrigerating units marching type electronic expansion valve, aim at realize carrying out the check -up of full stroke to electronic expansion valve to appointed aperture and the flexible volume of case are reachd to the step preface that the accessible was set for, and can show target step number, current step number in real time, when information such as front valve door aperture percentage and the case volumes of stretching out and drawing back. Its characterized in that: it includes power supply unit, singlechip microprocessor, drive unit, man -machine interface and audio/visual communication, the power supply unit is connected with singlechip microprocessor, drive unit, man -machine interface and audio/visual communication respectively, audio/visual communication and singlechip microprocessor are connected, man -machine interface and singlechip micro