Remote online diagnosis method and system for crane of nuclear power plant

The invention discloses a remote online diagnosis method and system for a crane of a nuclear power plant, the method is applied to a server, and the method comprises the following steps: S10, working data of the crane is obtained from a control box through a wireless communication mode, and the control box is arranged beside a control cabinet of the crane and is electrically connected with the control cabinet; and S20, when a crane fault shutdown signal output by the control box is received, analyzing the working data so as to determine a fault part with a fault in the crane and a fault reason. According to the invention, remote online diagnosis of the crane can be realized, the maintenance workload and the maintenance operation safety risk are effectively reduced, and the maintenance efficiency of the crane is improved. 本发明公开了核电厂起重机远程在线诊断方法及系统，其方法应用在服务器中，该方法包括：S10、通过无线通信方式从控制箱获取起重机的工作数据，其中，所述控制箱设置在所述起重机的控制柜旁，且与所述控制柜电连接；S20、在接收到所述控制箱输出的起重机故障停运信号时，分析所述工作数据，以确定在所述起重机中发生故障的故障部件和故障原因。实施本发明可以实现起重机的远程在线诊断，有效降低了维修工作