Electro-hydraulic control reversing valve and filter monitoring method and system

The invention relates to the technical field of electro-hydraulic control hydraulic systems, in particular to an electro-hydraulic control reversing valve and filter monitoring method and system.The monitoring method comprises the steps that when it is detected that a reversing valve is in a working stop state, first sampling data is obtained; judging whether the data exceed the limit or not according to the first sampling data, and if the data exceed the limit, sending a reversing valve leakage alarm signal; when it is detected that the reversing valve is in the working state and the reversing valve is in the stand column lifting state, second sampling data are obtained; and judging whether the data exceeds the limit according to the second sampling data, and if so, sending a filter blockage alarm signal. By the adoption of the monitoring method, the health states of the reversing valve and the filter in the electro-hydraulic control hydraulic system can be directly monitored in real time, and the problem th