CN-121979137-A - Intelligent monitoring and analyzing method and system for running state of cylinder valve

CN121979137ACN 121979137 ACN121979137 ACN 121979137ACN-121979137-A

Abstract

The invention discloses a method and a system for intelligently monitoring and analyzing the running state of a barrel valve, which realize the automatic intelligent monitoring and analysis of the running state of the barrel valve, reduce the workload of manual inspection, improve the operation and maintenance efficiency and the fault response speed and support the unmanned mode of a hydropower station.

Inventors

YANG FANJIE
KONG XIANGXI
DONG GUANGHE
WANG XUANFAN
YANG ZHEN
CUI WEIFENG
DONG JIE
ZHANG WEI
FU HAILONG
QIN CHUAN
FENG AIJUN
QIN LEI
LI JUNHENG
Zhu Tinghong
QIAO TIANHAO
WU CHENG

Assignees

华能澜沧江水电股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260106

Claims (10)

1. The intelligent monitoring and analyzing method for the running state of the cylinder valve is characterized by comprising the following steps of: s1, acquiring operation data in the operation process of a cylinder valve in real time through an industrial Internet, wherein the operation data comprises a cylinder valve opening/closing instruction and state feedback, an oil pump start-stop instruction and time, and a proportional servo valve given value and feedback value; s2, storing the collected operation data into a database according to a preset format, and cleaning out-of-date data according to a set period; s3, performing multidimensional intelligent analysis based on the stored operation data, and generating a structural analysis report comprising statistics of cylinder valve action times, overtime judgment, oil pump operation deviation, servo valve deviation and opening curve comparison so as to obtain an analysis result; S4, periodically sending a normal state report through a preset communication channel according to the analysis result, and triggering the instant sending of an alarm report when detecting overtime, deviation or curve abnormality.
2. The method of claim 1, wherein the acquiring operational data during operation of the cartridge valve in real time over the industrial internet comprises: S11, synchronously sampling the opening and time of the cylinder valve at preset sampling intervals to form dynamic curve data of the opening/closing process of the cylinder valve; S12, calculating the difference between the given value and the feedback value of the comparative servo valve, and recording that the given value and the feedback value meet the requirement Is a data point anomaly.
3. The method of claim 1, wherein storing the collected operational data in a database in a predetermined format comprises: S21, storing cylinder valve opening/closing time stamp data by adopting a time sequence database, wherein each event record comprises a unit number, an action type and a time stamp triplet; S22, establishing a double-unit comparison table for oil pump operation time data, wherein the storage format is as follows And (3) with Is a parallel field structure of (c).
4. The method of claim 1, wherein performing a multi-dimensional intelligent analysis based on the stored operational data comprises: s31, when the maximum opening/closing time of the cylinder valve is calculated, sequencing all action time in a report period by adopting a sliding window algorithm and extracting a peak value; s32, when the oil pump operation time deviation is counted, the calculation formula is as follows And recording the units with deviation exceeding the preset threshold.
5. The method of claim 1, wherein the periodically transmitting the normal status report according to the analysis result comprises: S41, encrypting the report by adopting a hierarchical encryption transmission protocol, wherein the report containing abnormal data is encrypted by using an AES-256 algorithm; S42, sending an alarm report through a double channel of a short message and an enterprise WeChat, wherein the sending priority is according to Is dynamically adjusted for abnormal levels of (1).
6. The method as recited in claim 1, further comprising: S5, constructing a time sequence prediction model based on historical data, wherein a calculation formula is as follows Wherein And Is an adaptive learning coefficient for predicting future operating conditions of the spool valve system and generating maintenance recommendations.
7. An intelligent monitoring and analyzing device for the running state of a cylinder valve is characterized by comprising: The industrial internet data acquisition module is used for acquiring operation data in the operation process of the cylinder valve in real time through the industrial internet, wherein the operation data comprises a cylinder valve opening/closing instruction and state feedback, an oil pump starting/stopping instruction and time, and a proportional servo valve given value and a feedback value; The time sequence database storage module is used for storing the collected operation data into a database according to a preset format and cleaning out-of-date data according to a set period; The multi-dimensional intelligent analysis module is used for executing multi-dimensional intelligent analysis based on the stored operation data, and generating a structural analysis report containing cylinder valve action times statistics, overtime judgment, oil pump operation deviation, servo valve deviation and opening curve comparison so as to obtain an analysis result; And the communication and alarm module is used for periodically sending a normal state report through a preset communication channel according to the analysis result and triggering the instant sending of an alarm report when detecting overtime, deviation or curve abnormality.
8. The apparatus of claim 7, wherein the industrial internet data acquisition module is further to: synchronously sampling the opening and time of the cylinder valve at preset sampling intervals to form dynamic curve data of the opening/closing process of the cylinder valve; the difference value calculation is carried out on the given value and the feedback value of the comparative servo valve, and the record meets the requirement Is a data point anomaly.
9. A computer device comprising a processor and a memory; Wherein the processor runs a program corresponding to the executable program code by reading the executable program code stored in the memory for implementing the cartridge valve operation state intelligent monitoring and analyzing method according to any one of claims 1 to 6.
10. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the program when executed by a processor implements the cartridge valve operating state intelligent monitoring and analysis method of any of claims 1-6.

Description

Intelligent monitoring and analyzing method and system for running state of cylinder valve Technical Field The invention relates to the technical field of state monitoring of a hydropower station barrel valve system, in particular to an intelligent monitoring and analyzing method and system for the running state of a barrel valve. Background The cylinder valve is used as a water inlet valve of a hydroelectric generating set and is more and more widely applied to various large and giant hydropower stations, and has the functions and advantages that general butterfly valves or ball valves are not provided with, such as quick and efficient opening and closing, tight closing and the like. In the normal operation of a hydropower station, a large amount of data are usually recorded in the operation process of the cylinder valve, in the prior art, the monitoring of the operation state of the cylinder valve mainly depends on manual regular inspection, maintenance personnel need to regularly inquire a monitoring system and screen the operation data of the cylinder valve to analyze the operation state of the cylinder valve system, and professionals need to spend a large amount of time for data screening and state evaluation. Disclosure of Invention The invention mainly aims to provide an intelligent monitoring and analyzing method for the running state of a cylinder valve, which is used for regularly monitoring and analyzing monitoring data in the running process of the cylinder valve and forming a report to send maintenance personnel, so that the maintenance personnel regularly master the running state of a cylinder valve system. Another object of the present invention is to provide an intelligent monitoring and analyzing device for the running state of a cylinder valve. A third object of the invention is to propose a computer device. A fourth object of the present invention is to propose a non-transitory computer readable storage medium. To achieve the above objective, an embodiment of a first aspect of the present invention provides a method for intelligently monitoring and analyzing an operating state of a cylinder valve, including: s1, acquiring operation data in the operation process of a cylinder valve in real time through an industrial Internet, wherein the operation data comprises a cylinder valve opening/closing instruction and state feedback, an oil pump start-stop instruction and time, and a proportional servo valve given value and feedback value; s2, storing the collected operation data into a database according to a preset format, and cleaning out-of-date data according to a set period; s3, performing multidimensional intelligent analysis based on the stored operation data, and generating a structural analysis report comprising statistics of cylinder valve action times, overtime judgment, oil pump operation deviation, servo valve deviation and opening curve comparison so as to obtain an analysis result; S4, periodically sending a normal state report through a preset communication channel according to the analysis result, and triggering the instant sending of an alarm report when detecting overtime, deviation or curve abnormality. In one embodiment of the present invention, the collecting, in real time, the operation data during the operation of the canister valve through the industrial internet includes: S11, synchronously sampling the opening and time of the cylinder valve at preset sampling intervals to form dynamic curve data of the opening/closing process of the cylinder valve; S12, calculating the difference between the given value and the feedback value of the comparative servo valve, and recording that the given value and the feedback value meet the requirement Is a data point anomaly. In one embodiment of the present invention, storing the collected operation data in a database according to a preset format includes: S21, storing cylinder valve opening/closing time stamp data by adopting a time sequence database, wherein each event record comprises a unit number, an action type and a time stamp triplet; S22, establishing a double-unit comparison table for oil pump operation time data, wherein the storage format is as follows And (3) withIs a parallel field structure of (c). In one embodiment of the invention, the performing multi-dimensional intelligent analysis based on the stored operational data includes: s31, when the maximum opening/closing time of the cylinder valve is calculated, sequencing all action time in a report period by adopting a sliding window algorithm and extracting a peak value; s32, when the oil pump operation time deviation is counted, the calculation formula is as follows And recording the units with deviation exceeding the preset threshold. In one embodiment of the present invention, the periodically sending the normal status report according to the analysis result includes: S41, encrypting the report by adopting a hierarchical encryption transmission protocol, wherein the