A remote monitoring and control system for online safety early warning of phase-shifting oil system

Abstract

The invention discloses a remote monitoring and control system for online safety warning of a phase condenser oil system, comprising a data acquisition terminal and a remote monitoring terminal connected to the data acquisition terminal for communication; the invention relates to the field of monitoring technology, and can monitor the operating status of the phase condenser oil system in real time, timely discover and handle abnormal situations, effectively prevent the phase condenser from being damaged and the occurrence of safety accidents caused by oil system failures, improve the safety and stability of the phase condenser oil system, calculate and analyze the variance of a large number of parameter information at the same time nodes, obtain the corresponding parameter interval, improve the accuracy of the data, pre-process the collected parameter information through an analysis and processing module to form a monitoring comparison table, and then compare and analyze the parameter information collected in real time with the monitoring comparison table through a data analysis module, and if an abnormal situation is found, an early warning signal will be immediately generated to achieve online safety early warning.

Description

Technical Field

[0001] The present invention relates to the field of monitoring technology, and in particular to a remote monitoring and control system for online safety early warning of a phase shifter oil system. Background Art

[0002] In modern industrial production, the phase condenser oil system is an important part of key equipment, and its working state directly affects the stability and safety of the entire production process. However, due to various factors, the parameters of the phase condenser oil system, such as oil pressure, oil temperature, flow rate and liquid level, may become abnormal, which may lead to equipment failure or even accidents. Therefore, real-time monitoring and early warning of the phase condenser oil system are of great practical significance.

[0003] However, existing monitoring methods mainly rely on manual regular inspections and single sensor monitoring, which is not only inefficient, but also difficult to achieve comprehensive analysis and early warning of multiple parameters. In addition, due to the complexity of the phase-shifting oil system, there is mutual influence between various parameters, and the change of a single parameter may affect other parameters. Therefore, these parameters need to be accurately controlled and monitored to ensure the stable operation of the hydraulic system.

[0004] Based on this, a remote monitoring and control system for online safety early warning of the phase condenser oil system is proposed. The system has important practical significance for the online monitoring and early warning of the phase condenser oil system. Summary of the invention

[0005] The purpose of the present invention is to provide a remote monitoring and control system for online safety early warning of a phase shifter oil system, which solves the technical problems raised in the background technology.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] A remote monitoring and control system for online safety early warning of a phase-shifting oil system, comprising:

[0008] The data acquisition terminal is used to obtain corresponding parameter information under the normal operation state and the actual operation state of the phase shifter oil system, wherein the parameter information includes oil pressure parameters, oil temperature parameters, flow parameters, and liquid level parameters;

[0009] It is also used to obtain multiple information intervals based on parameter information under normal operating conditions at the same time node, wherein the information intervals include oil pressure intervals, oil temperature intervals, flow intervals, and liquid level intervals, and then transmit the parameter information and information intervals to the remote monitoring terminal;

[0010] The remote monitoring terminal is used to match the information interval with the parameter information collected in real time through a pre-trained information comparison model, and according to the matching result, the parameter information collected in real time that does not correspond to the information interval in the same time node is generated as an abnormal signal;

[0011] It is also used to match the real-time collected parameter information corresponding to the information interval in the same time node with the preset normal operation status table. If the results do not match, an early warning signal is generated, and then the abnormal signal and the early warning signal are displayed to the corresponding operation and maintenance personnel.

[0012] As a further solution of the present invention: the data acquisition terminal comprises:

[0013] The sensor module is a sensor installed in the corresponding part of the phase condenser oil system, and is used to collect parameter information corresponding to the phase condenser oil system in real time;

[0014] The oil pressure parameter refers to the pressure value of the oil tank in the oil system of the phase shifter, the oil temperature parameter refers to the oil temperature value of the oil, the flow parameter refers to the flow value of the oil pipe in the oil system of the phase shifter, and the liquid level parameter refers to the height value of the oil in the oil system of the phase shifter;

[0015] An acquisition processing module is connected to the sensor module and is used to collect corresponding parameter information through the sensor module when the phase shifter oil system is operating normally, and then pre-process the parameter information to obtain the corresponding information interval, and then summarize the information interval to generate a monitoring comparison summary table;

[0016] A data transmission module, used to send the monitoring comparison summary table obtained after preprocessing by the acquisition processing module and the parameter information collected in real time by the sensor module to the remote monitoring terminal;

[0017] As a further solution of the present invention: the remote monitoring terminal comprises:

[0018] The data analysis module is used to compare and analyze the monitoring comparison table and the parameter information collected in real time through the pre-trained information comparison model, and obtain the corresponding abnormal signals and early warning signals based on the comparison and analysis results;

[0019] The interface control module is used to display real-time parameter information, abnormal signals and warning signals, and provide a visual operation interface for relevant personnel to control the start and stop of corresponding parts of the phase shifter oil system.

[0020] As a further solution of the present invention: the preprocessing method of the acquisition processing module is as follows:

[0021] Step Ⅰ1, obtain the parameter information corresponding to the phase condenser oil system at multiple same time nodes when the phase condenser oil system is operating normally;

[0022] Step Ⅰ2, based on the oil temperature parameter, set multiple oil temperature intervals, and then obtain the oil pressure parameters, flow parameters, and liquid level parameters corresponding to the same time node according to the oil temperature intervals, and perform relationship analysis on them respectively, and then obtain the corresponding oil pressure interval, flow interval, and liquid level interval according to the relationship analysis results;

[0023] Step Ⅰ3, based on the oil pressure parameters, set multiple oil pressure intervals, and then obtain the oil temperature parameters, flow parameters, and liquid level parameters corresponding to the same time node according to the oil pressure intervals, and perform relationship analysis on them respectively, and then obtain the corresponding oil temperature interval, flow interval, and liquid level interval according to the relationship analysis results;

[0024] Step Ⅰ4, based on the flow parameters, set multiple flow intervals, and then obtain the oil temperature parameters, oil pressure parameters, and liquid level parameters corresponding to the same time node according to the flow intervals, and perform relationship analysis on them respectively, and then obtain the corresponding oil temperature interval, oil pressure interval, and liquid level interval according to the relationship analysis results;

[0025] Step Ⅰ5. Based on the liquid level parameter, set multiple liquid level intervals, and then obtain the oil temperature parameter, flow parameter, and oil pressure parameter corresponding to the same time node according to the liquid level interval, and perform relationship analysis on them respectively. Then, according to the relationship analysis results, obtain the corresponding oil temperature interval, flow interval, and oil pressure interval;

[0026] Step Ⅰ6, collect the oil pressure intervals, flow intervals, and liquid level intervals corresponding to the corresponding oil temperature intervals in Step Ⅰ2 into a monitoring comparison table 1;

[0027] The oil temperature interval, flow interval, and liquid level interval corresponding to the corresponding oil pressure interval in Step Ⅰ3 are collected into monitoring comparison table 2;

[0028] The oil pressure interval, oil temperature interval, and liquid level interval corresponding to the corresponding flow interval in Step Ⅰ4 are collected into monitoring comparison table 3;

[0029] The oil pressure interval, flow interval, and oil temperature interval corresponding to the corresponding liquid level interval in Step Ⅰ5 are collected into monitoring comparison table 4;

[0030] Step Ⅰ7, summarize the monitoring comparison tables 1, 2, 3, and 4, and delete duplicate data through a pre-written script or program, and then generate a monitoring comparison summary table;

[0031] As a further solution of the present invention: the relationship analysis method in Step I2 is specifically as follows:

[0032] Step Ⅰ21. Select an oil temperature range, extract the oil pressure parameters corresponding to the oil temperature range at multiple same time nodes, and mark the oil pressure parameters as YYi, i=1, 2, ...n, n represents the number of the same time nodes;

[0033] Step Ⅰ22, using the variance calculation formula, calculate the variance value of each oil pressure parameter corresponding to the oil temperature range, and the variance value represents the degree of dispersion of each oil pressure parameter corresponding to the oil temperature range;

[0034] Step Ⅰ23, compare the variance value with the preset variance threshold:

[0035] If the variance value is greater than the variance threshold, it means that the degree of dispersion between the oil pressure parameters is large. Then the mean of all the corresponding oil pressure parameters is calculated, and the oil pressure difference = |oil pressure parameter - mean of oil pressure parameter|, where || represents the absolute value. Then, in all the oil pressure differences, the corresponding oil pressure parameter values ​​are deleted in order from large to small, and the remaining variance values ​​are calculated accordingly until the variance value is less than or equal to the variance threshold;

[0036] Step I24, when the variance value is less than or equal to the variance threshold, the oil pressure parameters with the maximum and minimum corresponding values ​​are obtained, and they are combined into the oil pressure interval corresponding to the oil temperature interval;

[0037] Step Ⅰ25, according to the analysis method of the oil pressure range corresponding to the oil temperature range in Step Ⅰ22-Step Ⅰ24, obtain the liquid level parameters corresponding to the same time node and perform variance calculation analysis on them, and then obtain the corresponding liquid level range according to the analysis results;

[0038] Step Ⅰ26. Obtain the flow parameters corresponding to the same time node based on the oil temperature range and perform variance calculation analysis accordingly. Then, obtain the corresponding flow range based on the analysis results.

[0039] As a further solution of the present invention: in Step Ⅰ25-Step Ⅰ26, the calculation and analysis method of the liquid level interval and flow interval variance is the same as the analysis method in Step Ⅰ22-Step Ⅰ24;

[0040] As a further solution of the present invention: in Step Ⅰ3-Step Ⅰ5, the method is the same as that of Step Ⅰ2.

[0041] As a further solution of the present invention: the comparison and analysis method of the data analysis module is as follows:

[0042] Step II 1. Extract the oil temperature parameter from the parameter information collected in real time, compare the oil temperature parameter with each oil temperature interval in the monitoring comparison table, and select the oil temperature interval containing the oil temperature parameter;

[0043] Step II 2, extract the oil pressure parameter, and compare the oil pressure parameter with each oil pressure interval in the monitoring comparison table, and select the oil pressure interval containing the oil pressure parameter;

[0044] Step II 3, extract the flow parameters, and compare the flow parameters with each flow interval in the monitoring comparison table, and select the flow interval containing the flow parameters;

[0045] Step II 4, extract the liquid level parameter, and compare the liquid level parameter with each liquid level interval in the monitoring comparison table, and select the liquid level interval containing the liquid level parameter;

[0046] Step Ⅱ5, then according to the monitoring comparison summary table, obtain the oil temperature interval, oil pressure interval, flow interval, and liquid level interval corresponding to the same time node from the oil temperature interval, oil pressure interval, flow interval, and liquid level interval obtained in Step Ⅱ1-Step Ⅱ4;

[0047] Step Ⅱ6. In Step Ⅱ5,

[0048] When the same time node does not contain one or more of the corresponding oil temperature interval, oil pressure interval, flow interval, and liquid level interval, it means that the sensor at the corresponding part is abnormal, and a corresponding abnormal signal is generated and sent to the interface control module;

[0049] Step II 7. When generating a normal signal, compare any parameter in the parameter information with its corresponding preset normal operating status table;

[0050] If at least one parameter in the parameter information is not in the corresponding preset normal operating state table, it means that the phase modulator oil system is operating abnormally, and a warning signal is generated and sent to the interface control module;

[0051] As a further solution of the present invention: in Step II 6, when the same time node contains corresponding oil temperature intervals, oil pressure intervals, flow intervals, and liquid level intervals, a normal signal is generated;

[0052] As a further solution of the present invention: wherein the normal operating state table is a normal operating range value of the phase shifter oil system obtained by experiments before the phase shifter oil system leaves the factory;

[0053] In Step Ⅱ7, if all the parameters in the parameter information are in their corresponding preset normal operating status table, it means that the phase shifter oil system is operating safely.

[0054] The beneficial effects of the present invention are as follows:

[0055] Real-time monitoring: The sensors installed at the corresponding parts of the phase shifter oil system of the present invention can collect the oil pressure parameters, oil temperature parameters, flow parameters and liquid level parameters of the system in real time, so as to realize real-time monitoring of the system operation status.

[0056] Early warning function: The present invention pre-processes the collected parameter information through the analysis and processing module to form a monitoring comparison table, and then compares and analyzes the parameter information collected in real time with the monitoring comparison table through the data analysis module. If an abnormal situation is found, an early warning signal will be generated immediately, realizing online safety early warning.

[0057] Improve equipment operation safety and reliability: Through real-time monitoring and early warning functions, the present invention can promptly discover and handle problems that may occur in the system, avoid equipment damage and production interruptions, and greatly improve the equipment operation safety and reliability.

[0058] Provide a visual operation interface: In the present invention, the remote monitoring terminal includes an early warning display module and an interface control module, which can display real-time parameter information, abnormal signals and early warning signals, and provide a visual operation interface to facilitate relevant personnel to control the start and stop of the corresponding parts of the phase shifter oil system.

[0059] Flexible and changeable: The present invention can select oil temperature parameters, oil pressure parameters, flow parameters or liquid level parameters as the basis for monitoring and early warning as needed, and has strong adaptability.

[0060] Data accuracy: The present invention improves data accuracy by performing variance calculation and analysis on a large amount of parameter information at the same time node to obtain the corresponding parameter interval.

[0061] In general, the present invention can monitor the operating status of the phase modulator oil system in real time, promptly discover and handle abnormal situations, effectively prevent phase modulator damage and safety accidents caused by oil system failures, and improve the safety and stability of the phase modulator oil system. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] The present invention will be further described below in conjunction with the accompanying drawings.

[0063] Figure 1 The system block diagram of a remote monitoring and control system for online safety early warning of a phase shifter oil system of the present invention.

[0064] Figure 2 It is a comparison and analysis flow chart of a remote monitoring and control system for online safety early warning of a phase shifter oil system of the present invention. DETAILED DESCRIPTION

[0065] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0066] Embodiment 1

[0067] See also Figure 1 and Figure 2 As shown, the present invention is a remote monitoring and control system for online safety early warning of a phase-shifting oil system, comprising a data acquisition terminal and a remote monitoring terminal connected to the data acquisition terminal for communication;

[0068] The data acquisition terminal comprises:

[0069] The sensor module is a sensor installed in the corresponding part of the phase shifter oil system, and is used to collect parameter information corresponding to the phase shifter oil system in real time, wherein the parameter information includes oil pressure parameter, oil temperature parameter, flow parameter, and liquid level parameter;

[0070] By installing sensors at the corresponding parts of the phase shifter oil system, the oil pressure parameters, oil temperature parameters, flow parameters and liquid level parameters of the system can be collected in real time, thus achieving real-time monitoring of the system operation status;

[0071] The oil pressure parameter refers to the pressure value of the oil tank in the oil system of the phase shifter, the oil temperature parameter refers to the oil temperature value of the oil, the flow parameter refers to the flow value of the oil pipe in the oil system of the phase shifter, and the liquid level parameter refers to the height value of the oil in the oil system of the phase shifter;

[0072] The acquisition processing module is connected to the sensor module and is used to collect corresponding parameter information through the sensor module when the phase shifter oil system is operating normally, and then preprocess the parameter information. The preprocessing method is as follows:

[0073] Step Ⅰ1, obtain the parameter information corresponding to the phase condenser oil system at multiple same time nodes when the phase condenser oil system is operating normally;

[0074] Step Ⅰ2, based on the oil temperature parameter, set multiple oil temperature intervals, and then obtain the oil pressure parameters, flow parameters, and liquid level parameters corresponding to the same time node according to the oil temperature intervals, and perform relationship analysis on them respectively, and then obtain the corresponding oil pressure interval, flow interval, and liquid level interval according to the relationship analysis results;

[0075] The details are as follows:

[0076] Step Ⅰ21. Select an oil temperature range, extract the oil pressure parameters corresponding to the oil temperature range at multiple same time nodes, and mark the oil pressure parameters as YYi, i=1, 2, ...n, n represents the number of the same time nodes;

[0077] Step Ⅰ22, using the variance calculation formula, calculate the variance value of each oil pressure parameter corresponding to the oil temperature range, and the variance value represents the degree of dispersion of each oil pressure parameter corresponding to the oil temperature range;

[0078] Step Ⅰ23, compare the variance value with the preset variance threshold:

[0079] If the variance value is greater than the variance threshold, it means that the degree of dispersion between the oil pressure parameters is large. Then the mean of all the corresponding oil pressure parameters is calculated, and the oil pressure difference = |oil pressure parameter - mean of oil pressure parameter|, where || represents the absolute value. Then, in all the oil pressure differences, the corresponding oil pressure parameter values ​​are deleted in order from large to small, and the remaining variance values ​​are calculated accordingly until the variance value is less than or equal to the variance threshold;

[0080] Step I24, when the variance value is less than or equal to the variance threshold, the oil pressure parameters with the maximum and minimum corresponding values ​​are obtained, and they are combined into the oil pressure interval corresponding to the oil temperature interval;

[0081] In this embodiment, the change of oil temperature will affect the oil pressure, because the volume of the oil will expand or contract with the change of oil temperature, thereby affecting the pressure in the phase shifter oil system, causing the oil pressure parameters to change;

[0082] Step Ⅰ25, according to the analysis method of the oil pressure range corresponding to the oil temperature range in Step Ⅰ22-Step Ⅰ24, obtain the liquid level parameters corresponding to the same time node and perform variance calculation analysis on them, and then obtain the corresponding liquid level range according to the analysis results;

[0083] Specifically, firstly, an oil temperature range is selected, and the flow parameters corresponding to the oil temperature range at multiple same time nodes are extracted, and then the corresponding liquid level range is obtained according to the method of Step Ⅰ22-Step Ⅰ24;

[0084] In this embodiment, the liquid level parameter is related to the static pressure in the phase shifter oil system, that is, the higher the liquid level, the greater the static pressure. Therefore, in the phase shifter oil system, the change of the liquid level will affect the pressure level of the system;

[0085] Step Ⅰ26, according to the oil temperature range, obtain the flow parameters corresponding to the same time node and perform variance calculation analysis accordingly, and then obtain the corresponding flow range according to the analysis results;

[0086] Specifically, firstly, an oil temperature range is selected, and the flow parameters corresponding to the oil temperature range at multiple same time nodes are extracted, and then the corresponding flow range is obtained according to the method of Step Ⅰ22-Step Ⅰ24;

[0087] In this embodiment, the change of oil temperature will affect the viscosity of the oil. For example, when the oil temperature increases, the viscosity of the oil decreases, the fluidity becomes better, and the flow rate increases.

[0088] The present invention improves the accuracy of data by performing variance calculation and analysis on parameter information of a large number of nodes at the same time to obtain the corresponding parameter interval;

[0089] Step Ⅰ3, collect the oil pressure interval, flow interval, and liquid level interval corresponding to the corresponding oil temperature interval in Step Ⅰ2 into a monitoring comparison table 1;

[0090] In general, oil pressure, oil temperature, flow rate and liquid level are interdependent parameters in the hydraulic system of the phase shifter. Changes in any one parameter may affect other parameters. In actual operation, these parameters must be accurately controlled and monitored to ensure the stable operation of the hydraulic system.

[0091] The present invention pre-processes the collected parameter information through the analysis and processing module to form a monitoring comparison table, and then compares and analyzes the parameter information collected in real time with the monitoring comparison table through the data analysis module. If an abnormal situation is found, an early warning signal will be generated immediately, realizing online safety early warning;

[0092] A data transmission module, used to send the monitoring comparison table 1 obtained after preprocessing by the acquisition processing module and the parameter information collected in real time by the sensor module to the remote monitoring terminal;

[0093] A remote monitoring terminal, which includes a data analysis module, an information warning module, and a warning display module;

[0094] The data analysis module is used to compare and analyze the monitoring comparison table 1 and the parameter information collected in real time through the pre-trained information comparison model. The comparison and analysis method is as follows:

[0095] Step II 1. Extract the oil temperature parameter from the parameter information collected in real time, compare the oil temperature parameter with each oil temperature interval in the monitoring comparison table 1, and select the oil temperature interval containing the oil temperature parameter;

[0096] Step II 2, extract the oil pressure parameter, and compare the oil pressure parameter with each oil pressure interval in the monitoring comparison table 1, and select the oil pressure interval containing the oil pressure parameter;

[0097] Step II 3, extract the flow parameter, and compare the flow parameter with each flow interval in the monitoring comparison table 1, and select the flow interval containing the flow parameter;

[0098] Step II 4, extract the liquid level parameter, and compare the liquid level parameter with each liquid level interval in the monitoring comparison table 1, and select the liquid level interval containing the liquid level parameter;

[0099] Step Ⅱ5, then according to the monitoring comparison table 1, in the oil temperature interval, oil pressure interval, flow interval, and liquid level interval obtained in Step Ⅱ1-Step Ⅱ4, obtain the oil temperature interval, oil pressure interval, flow interval, and liquid level interval corresponding to the same time node;

[0100] Step Ⅱ6. In Step Ⅱ5,

[0101] When the same time node contains corresponding oil temperature intervals, oil pressure intervals, flow intervals, and liquid level intervals, a normal signal is generated;

[0102] When the same time node does not contain one or more of the corresponding oil temperature interval, oil pressure interval, flow interval, and liquid level interval, it means that the sensor at the corresponding part is abnormal, and a corresponding abnormal signal is generated and sent to the interface control module;

[0103] Step II 7. When generating a normal signal, compare any parameter in the parameter information with its corresponding preset normal operating status table;

[0104] If all parameters in the parameter information are within the corresponding preset normal operating status table, it means that the phase shifter oil system is operating safely;

[0105] If at least one parameter in the parameter information is not in the corresponding preset normal operating state table, it means that the phase modulator oil system is operating abnormally, and a warning signal is generated and sent to the interface control module;

[0106] Among them, the normal operating state table is the normal operating range value of the condenser oil system obtained through experiments before leaving the factory;

[0107] The interface control module is used to display real-time parameter information, abnormal signals and warning signals, and provide a visual operation interface for relevant personnel to control the start and stop of the corresponding parts of the phase shifter oil system;

[0108] In this embodiment, the sensor module includes a pressure sensor, an oil temperature sensor, a flow meter and a liquid level meter, which are installed at key locations of the oil tank, pump and pipeline respectively. The data acquisition module is connected to each sensor by wire and sends the collected data to the remote monitoring terminal;

[0109] The remote monitoring terminal uses data analysis software to analyze the received data in real time and compares it with the preset safety threshold;

[0110] If during the monitoring process the system finds that the oil pressure is lower than the safety threshold, it immediately triggers the early warning mechanism and notifies the maintenance personnel via SMS and email. The maintenance personnel view the detailed alarm information through the user interface, quickly locate the problem, and handle it in a timely manner, thus avoiding equipment damage and production interruption.

[0111] The remote monitoring and control system for online safety warning of the phase condenser oil system of this embodiment can effectively realize real-time monitoring and warning of the phase condenser oil system, improve the operating safety and reliability of the equipment, and has a good application prospect.

[0112] Embodiment 2

[0113] As the second embodiment of the present invention, when the present application is implemented, compared with the first embodiment, the technical solution of the present embodiment is different from the first embodiment only in that, in the present embodiment, in Step I2, the oil pressure parameter is used as a reference to set multiple oil pressure intervals, and then the oil temperature parameter, flow parameter, and liquid level parameter corresponding to the same time node are obtained according to the oil pressure interval, and the relationship analysis is performed respectively, and then the corresponding oil temperature interval, flow interval, and liquid level interval are obtained according to the relationship analysis results, and the method is the same as that of Step I2 in the first embodiment;

[0114] Then, the oil temperature intervals, flow intervals, and liquid level intervals corresponding to the corresponding oil pressure intervals are compiled into a monitoring comparison table 2;

[0115] Then the remote monitoring terminal compares the parameter information collected in real time with the monitoring comparison table 2;

[0116] The present invention can select oil temperature parameters, oil pressure parameters, flow parameters or liquid level parameters as references for monitoring and early warning as needed, and has strong adaptability.

[0117] Embodiment 3

[0118] As the third embodiment of the present invention, when the present application is implemented, compared with the first embodiment, the technical solution of the present embodiment is different from the first embodiment only in that, in the present embodiment, in Step I2, the flow parameter is also used as a reference to set multiple flow intervals, and then the oil temperature parameter, oil pressure parameter, and liquid level parameter corresponding to the same time node are obtained according to the flow interval, and the relationship analysis is performed respectively, and then the corresponding oil temperature interval, oil pressure interval, and liquid level interval are obtained according to the relationship analysis results, and the method is the same as that of Step I2;

[0119] Then, the oil pressure intervals, oil temperature intervals, and liquid level intervals corresponding to the corresponding flow intervals are compiled into monitoring comparison table 3;

[0120] Then the remote monitoring terminal compares the parameter information collected in real time with the monitoring comparison table 3.

[0121] Embodiment 4

[0122] As the fourth embodiment of the present invention, when the present application is implemented, compared with the first embodiment, the technical solution of the present embodiment is different from the first embodiment only in that, in the present embodiment, in Step I2, the liquid level parameter is used as a reference to set multiple liquid level intervals, and then the oil temperature parameter, flow parameter, and oil pressure parameter corresponding to the same time node are obtained according to the liquid level interval, and the relationship analysis is performed respectively, and then the corresponding oil temperature interval, flow interval, and oil pressure interval are obtained according to the relationship analysis results, and the method is the same as that of Step I2;

[0123] Then, the oil pressure intervals, flow intervals, and oil temperature intervals corresponding to the corresponding liquid level intervals are collected into a monitoring comparison table 4. In this embodiment, the change in the liquid level will affect the flow rate because it changes the total amount of oil in the system and the potential energy used to drive the oil flow;

[0124] Then the remote monitoring terminal compares the parameter information collected in real time with the monitoring comparison table 4.

[0125] Embodiment 5

[0126] As the fifth embodiment of the present invention, when the present application is implemented, compared with the first embodiment, the second embodiment, the third embodiment and the fourth embodiment, the technical solution of the present embodiment is to combine the solutions of the first embodiment, the second embodiment, the third embodiment and the fourth embodiment, and the present embodiment is also used to summarize the monitoring comparison tables one, two, three and four, and delete duplicate data through a pre-written script or program, and then generate a monitoring comparison summary table;

[0127] In this embodiment, the script or program corresponding to deleting duplicate data is a prior art, so it is not described in detail. The system deletes duplicate data through a pre-written script or program to generate a monitoring comparison summary table, thereby improving the efficiency of data processing;

[0128] Then the remote monitoring terminal compares the parameter information collected in real time with the monitoring comparison table.

[0129] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A remote monitoring and control system for online safety early warning of a phase-shifting oil system, characterized in that: include: The data acquisition terminal is used to obtain corresponding parameter information under the normal operation state and the actual operation state of the phase shifter oil system, wherein the parameter information includes oil pressure parameters, oil temperature parameters, flow parameters, and liquid level parameters; It is also used to obtain multiple information intervals based on parameter information under normal operating conditions at the same time node, wherein the information intervals include oil pressure intervals, oil temperature intervals, flow intervals, and liquid level intervals, and then transmit the parameter information and information intervals to the remote monitoring terminal; The data acquisition terminal comprises: The sensor module is a sensor installed in the corresponding part of the phase condenser oil system, and is used to collect parameter information corresponding to the phase condenser oil system in real time; The oil pressure parameter refers to the pressure value of the oil tank in the oil system of the phase shifter, the oil temperature parameter refers to the oil temperature value of the oil, the flow parameter refers to the flow value of the oil pipe in the oil system of the phase shifter, and the liquid level parameter refers to the height value of the oil in the oil system of the phase shifter; An acquisition processing module is connected to the sensor module and is used to collect corresponding parameter information through the sensor module when the phase shifter oil system is operating normally, and then pre-process the parameter information to obtain the corresponding information interval, and then summarize the information interval to generate a monitoring comparison summary table; The preprocessing method of the acquisition processing module is as follows: Step Ⅰ1, obtain the parameter information corresponding to the phase condenser oil system at multiple same time nodes when the phase condenser oil system is operating normally; Step Ⅰ2, based on the oil temperature parameter, set multiple oil temperature intervals, and then obtain the oil pressure parameters, flow parameters, and liquid level parameters corresponding to the same time node according to the oil temperature intervals, and perform relationship analysis on them respectively, and then obtain the corresponding oil pressure interval, flow interval, and liquid level interval according to the relationship analysis results; The relationship analysis method in Step Ⅰ2 is as follows: Step Ⅰ21. Select an oil temperature range, extract the oil pressure parameters corresponding to the oil temperature range at multiple same time nodes, and mark the oil pressure parameters as YYi, i=1, 2, ...n, n represents the number of the same time nodes; Step Ⅰ22, using the variance calculation formula, calculate the variance value of each oil pressure parameter corresponding to the oil temperature range, and the variance value represents the degree of dispersion of each oil pressure parameter corresponding to the oil temperature range; Step Ⅰ23, compare the variance value with the preset variance threshold: If the variance value is greater than the variance threshold, it means that the degree of dispersion between the oil pressure parameters is large. Then the mean of all the corresponding oil pressure parameters is calculated, and the oil pressure difference = |oil pressure parameter - mean of oil pressure parameter|, where || represents the absolute value. Then, in all the oil pressure differences, the corresponding oil pressure parameter values ​​are deleted in order from large to small, and the remaining variance values ​​are calculated accordingly until the variance value is less than or equal to the variance threshold; Step I24, when the variance value is less than or equal to the variance threshold, the oil pressure parameters with the maximum and minimum corresponding values ​​are obtained, and they are combined into the oil pressure interval corresponding to the oil temperature interval; Step Ⅰ25, according to the analysis method of the oil pressure range corresponding to the oil temperature range in Step Ⅰ22-Step Ⅰ24, obtain the liquid level parameters corresponding to the same time node and perform variance calculation analysis on them, and then obtain the corresponding liquid level range according to the analysis results; Step Ⅰ26, according to the oil temperature range, obtain the flow parameters corresponding to the same time node and perform variance calculation analysis accordingly, and then obtain the corresponding flow range according to the analysis results; Step Ⅰ3, based on the oil pressure parameters, set multiple oil pressure intervals, and then obtain the oil temperature parameters, flow parameters, and liquid level parameters corresponding to the same time node according to the oil pressure intervals, and perform relationship analysis on them respectively, and then obtain the corresponding oil temperature interval, flow interval, and liquid level interval according to the relationship analysis results; Step Ⅰ4, based on the flow parameters, set multiple flow intervals, and then obtain the oil temperature parameters, oil pressure parameters, and liquid level parameters corresponding to the same time node according to the flow intervals, and perform relationship analysis on them respectively, and then obtain the corresponding oil temperature interval, oil pressure interval, and liquid level interval according to the relationship analysis results; Step Ⅰ5. Based on the liquid level parameter, set multiple liquid level intervals, and then obtain the oil temperature parameter, flow parameter, and oil pressure parameter corresponding to the same time node according to the liquid level interval, and perform relationship analysis on them respectively. Then, according to the relationship analysis results, obtain the corresponding oil temperature interval, flow interval, and oil pressure interval; Step Ⅰ6, collect the oil pressure intervals, flow intervals, and liquid level intervals corresponding to the corresponding oil temperature intervals in Step Ⅰ2 into a monitoring comparison table 1; The oil temperature interval, flow interval, and liquid level interval corresponding to the corresponding oil pressure interval in Step Ⅰ3 are collected into monitoring comparison table 2; The oil pressure interval, oil temperature interval, and liquid level interval corresponding to the corresponding flow interval in Step Ⅰ4 are collected into monitoring comparison table 3; The oil pressure interval, flow interval, and oil temperature interval corresponding to the corresponding liquid level interval in Step Ⅰ5 are collected into monitoring comparison table 4; Step Ⅰ7, summarize the monitoring comparison tables 1, 2, 3, and 4, and delete duplicate data through a pre-written script or program, and then generate a monitoring comparison summary table; A data transmission module, used to send the monitoring comparison summary table obtained after preprocessing by the acquisition processing module and the parameter information collected in real time by the sensor module to the remote monitoring terminal; The remote monitoring terminal is used to match the information interval with the parameter information collected in real time through a pre-trained information comparison model, and according to the matching result, the parameter information collected in real time that does not correspond to the information interval in the same time node is generated as an abnormal signal; The remote monitoring terminal comprises: The data analysis module is used to compare and analyze the monitoring comparison table and the parameter information collected in real time through the pre-trained information comparison model, and obtain the corresponding abnormal signal according to the comparison and analysis results. It is also used to match the parameter information collected in real time corresponding to the information interval in the same time node with the preset normal operation status table. If the results do not match, an early warning signal is generated, and then the abnormal signal and the early warning signal are displayed to the corresponding operation and maintenance personnel; The comparison and analysis of the data analysis module is as follows: Step II 1. Extract the oil temperature parameter from the parameter information collected in real time, compare the oil temperature parameter with each oil temperature interval in the monitoring comparison table, and select the oil temperature interval containing the oil temperature parameter; Step II 2, extract the oil pressure parameter, and compare the oil pressure parameter with each oil pressure interval in the monitoring comparison table, and select the oil pressure interval containing the oil pressure parameter; Step II 3, extract the flow parameters, and compare the flow parameters with each flow interval in the monitoring comparison table, and select the flow interval containing the flow parameters; Step II 4, extract the liquid level parameter, and compare the liquid level parameter with each liquid level interval in the monitoring comparison table, and select the liquid level interval containing the liquid level parameter; Step Ⅱ5, then according to the monitoring comparison summary table, obtain the oil temperature interval, oil pressure interval, flow interval, and liquid level interval corresponding to the same time node from the oil temperature interval, oil pressure interval, flow interval, and liquid level interval obtained in Step Ⅱ1-Step Ⅱ4; Step Ⅱ6. In Step Ⅱ5, When the same time node does not contain one or more of the corresponding oil temperature interval, oil pressure interval, flow interval, and liquid level interval, it means that the sensor at the corresponding location is abnormal, and a corresponding abnormal signal is generated; When the same time node contains corresponding oil temperature intervals, oil pressure intervals, flow intervals, and liquid level intervals, a normal signal is generated; Step II 7. When generating a normal signal, compare any parameter in the parameter information with its corresponding preset normal operating status table; If at least one parameter in the parameter information is not in the corresponding preset normal operating state table, it means that the phase shifter oil system is operating abnormally and a warning signal is generated; The interface control module is used to display real-time parameter information, abnormal signals and warning signals, and provide a visual operation interface for relevant personnel to control the start and stop of corresponding parts of the phase shifter oil system.

2. A remote monitoring and control system for online safety early warning of a phase condenser oil system according to claim 1, characterized in that: In Step Ⅰ25-Step Ⅰ26, the liquid level interval and flow interval variance calculation and analysis method is the same as that in Step Ⅰ22-Step Ⅰ24.

3. A remote monitoring and control system for online safety early warning of a phase condenser oil system according to claim 1, characterized in that: In Step Ⅰ3-Step Ⅰ5, the method is the same as that of Step Ⅰ2.

4. A remote monitoring and control system for online safety early warning of a phase condenser oil system according to claim 1, characterized in that: in, The normal operating state table is the normal operating range value of the condenser oil system obtained through experiments before leaving the factory; In Step Ⅱ7, if all the parameters in the parameter information are in their corresponding preset normal operating status table, it means that the phase shifter oil system is operating safely.

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