CN115002003A - System and method for monitoring running state of central monitoring system of wind power plant - Google Patents
System and method for monitoring running state of central monitoring system of wind power plant Download PDFInfo
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Abstract
The invention relates to the technical field of wind power system monitoring, and discloses a system and a method for monitoring the running state of a central monitoring system of a wind power plant. The method monitors the running state of the central monitoring system of the wind power plant to judge the possible problems of the system in advance, avoids the occurrence of large-scale fault conditions such as system breakdown and the like, and finally improves the reliability of the central monitoring system.
Description
Technical Field
The invention relates to the technical field of wind power system monitoring, in particular to a system and a method for monitoring the running state of a central monitoring system of a wind power plant.
Background
The wind power plant central monitoring system is responsible for core services such as monitoring, control and data reporting of the wind power generator group, and whether the system operates normally is related to operation, maintenance and assessment of the wind power plant. If the wind farm central monitoring system stops running or is outside the manpower monitoring due to network interruption, the wind farm central monitoring system can enter an anxiety state with unknown unit conditions, and the reason for maintaining the wind farm central monitoring system also needs to be searched so as to solve the problem as soon as possible. The existing hot standby redundancy system basically adopts machines in the same state to serve a central monitoring system of a wind power plant, and the problem cannot be solved by switching the system under the condition that a hard disk or a network is too high. Therefore, timely early warning of the running condition of the monitoring system is the scheme with the lowest cost. The operation state monitoring system of the wind power plant central monitoring system can monitor the operation condition of the system, early warning is timely carried out when a network is interrupted or resources are too high, large-range fault conditions such as system breakdown are avoided, data support of system problems is provided when the system is maintained, the maintenance efficiency of the wind power plant central monitoring system is improved, and finally the reliability of the central monitoring system is improved. The system for monitoring the running state of the central monitoring system of the wind power plant is referred to as a state monitoring system.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a system and a method for monitoring the running state of a central monitoring system of a wind power plant, and solves the problems that the central monitoring system of the wind power plant in the prior art is low in maintenance efficiency, the central monitoring system is likely to crash and the like.
The technical scheme adopted by the invention for solving the problems is as follows:
a system for monitoring the running state of a central monitoring system of a wind power plant comprises a wind power plant intranet state monitoring system and a wind power plant extranet state monitoring system which are used for monitoring the wind power plant central monitoring system, wherein the wind power plant intranet state monitoring system and the wind power plant extranet state monitoring system are respectively in communication connection with a centralized control Ethernet.
As a preferred technical scheme, the wind power plant central monitoring system comprises a central monitoring system server and a central monitoring system client, wherein the central monitoring system server comprises central monitoring system service software, and the central monitoring system client comprises central monitoring system client software; the central monitoring system server and the central monitoring system client comprise intranet state monitoring service software for monitoring the operation of the central monitoring system; the central monitoring system client also comprises intranet state monitoring client software; the wind power plant intranet state monitoring system comprises intranet state monitoring service software and intranet state monitoring client software; the wind power plant external network state monitoring system comprises an external network state monitoring system server and an external network state monitoring system client, wherein the external network state monitoring system server comprises state monitoring external network service software, and the external network state monitoring system client comprises state monitoring external network client software.
As a preferred technical scheme, the system further comprises an isolation gate, and the external network state monitoring system server is connected with the centralized control ethernet through the isolation gate.
A method for monitoring the running state of a central monitoring system of a wind power plant is based on the system for monitoring the running state of the central monitoring system of the wind power plant and comprises the following steps:
s1, the state monitoring system service software regularly communicates with the central monitoring system service software and the central monitoring system client software through HTTPS or TCP private protocol, and the communication mode simulates the communication format of the wind power plant central monitoring system client and the central monitoring system server software to read real-time data from the central monitoring system server and analyze the real-time data; if the data reading is normal and the numerical value is within the preset range, the server data acquisition and data response service is determined to be normal; otherwise, the service is judged to be abnormal, and the service is pushed to an intranet state monitoring system client for early warning and written into an intranet state monitoring service software database to be used as a historical log for storage and query;
s2, the intranet state monitoring service software is timed with client software of the wind power plant central monitoring system to keep heartbeat; if the wind power plant central monitoring system client does not answer, the wind power plant central monitoring system client is considered to be failed to operate;
and S3, the outer network state monitoring service software reads data from the inner network state monitoring server and pushes the data to the outer network state monitoring client after analysis.
And S4, monitoring the external network state of the wind power plant in real time by the monitoring system and displaying the operation performance index of the central monitoring system of the wind power plant.
As a preferable technical solution, the step S4 includes the steps of: s41, acquiring the CPU occupancy of the wind power plant central monitoring server, and considering that the wind power plant central monitoring server normally operates if the occupancy is within a preset proportion range; and setting two levels of alarms for the over limit of the CPU occupancy: generating first-level early warning information when the occupancy exceeds a first-level preset value and the duration exceeds a set duration, storing the early warning information into a database for inquiry, and pushing the early warning information to a client of the state monitoring system for early warning prompt; and when the occupancy exceeds a second-stage preset value and exceeds a set time length, performing second-stage early warning, and triggering a corresponding protection mechanism.
As a preferred technical solution, the step S4 includes the following steps: s42, acquiring the memory occupancy rate of the central monitoring server of the wind power plant, and considering that the server normally operates if the memory occupancy rate is within a preset proportion range; two levels of alarms are set for memory occupancy overrun: generating first-level early warning information when the occupancy exceeds a first-level preset numerical value and the duration exceeds a set duration, storing the early warning information into a database for inquiry, and pushing the early warning information to a client of the state monitoring system for early warning prompt; and when the memory occupancy exceeds a second-level preset value and exceeds a set time length, performing second-level early warning, pushing the memory occupancy to a client of the state monitoring system to perform early warning prompt and triggering a corresponding protection mechanism.
As a preferred technical solution, the step S4 includes the following steps: s43, acquiring the utilization rate of the hard disk of the central monitoring server of the wind power plant, dividing the hard disk into a central monitoring software operation area, a data storage area and other areas, wherein allowable occupancy numerical values set in different areas are different, and if the occupancy of the hard disk is within a preset proportion range, the server is considered to operate normally; setting two-stage alarm for hard disk occupancy overrun: and generating first-level early warning information when the occupancy exceeds a first-level preset value and the duration exceeds a set duration, storing the early warning information into a state monitoring service software database for inquiry, and pushing the early warning information to a state monitoring system client for early warning prompt.
As a preferred technical solution, the step S4 includes the following steps: s44, checking the on-off condition of the wind turbine master controller network connected with the wind farm central monitoring system server, the wind farm central monitoring system client and the central monitoring system, and checking whether the communication of each wind turbine master controller connected with the wind farm central monitoring system master server, the backup server, the client and the wind farm central monitoring system is normal or not by the state monitoring service software in a ping mode: if the ping is successful, the communication is considered to be normal; and if the ping is not successful, the communication is considered to be disconnected, the communication condition is pushed to the client side of the state monitoring system, and the client side of the disconnected state monitoring system is subjected to early warning.
As a preferred technical solution, the step S4 includes the following steps: s45, the intranet state monitoring service software saves the detected running state data into a log file at a set frequency, and provides an ini configuration file for setting FTP server information, including server addresses, directories, user names and passwords; the intranet state monitoring system server software detects whether the information is set, and if the information is set, the stored log file is sent to the extranet state monitoring system server through the forward isolation gate at a set frequency; the external network state monitoring server software extracts the file under the FTP directory and then pushes the data to the state monitoring client in the external network; the state monitoring client software is communicated with the state monitoring service software through an HTTP protocol, the running information detected by the state monitoring service software is collected, and the occupation conditions of a CPU, an internal memory and a hard disk are displayed on a general interface by a horizontal histogram; when the numerical value is in the range of the preset proportion, the histogram shows normal in green display, shows in yellow when being in the first-level early warning numerical value, shows in red when being in the second-level warning numerical value, and carries out voice broadcast.
As a preferred technical solution, the step S4 includes the following steps: s46, the client of the external network state monitoring system displays the communication on-off condition by a communication topological graph: refreshing the collected real-time data and protocol data in real time under the communication topological graph: when the real-time acquisition monitoring is abnormal, popping up prompt information and broadcasting real-time acquisition errors of the central monitoring system by voice; and when the data reporting monitoring is abnormal, popping up prompt information and reporting the data reporting error of the central monitoring system by voice.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention can monitor the running condition of the central monitoring system of the wind power plant, can give early warning in time when the network is interrupted or the resources are too high, avoids the occurrence of large-scale fault conditions such as system breakdown, provides data support for the system to have problems when maintaining the system, improves the maintenance efficiency of the central monitoring system of the wind power plant, and finally improves the reliability of the central monitoring system;
(2) the invention monitors the network on-off condition, the hard disk use condition, the memory use condition, the CPU use condition, the real-time data acquisition condition and the data uploading service operation condition of the central monitoring system of the wind power plant, the monitoring data is sent to a client interface of the state monitoring system through an HTTP or TCP protocol, the monitoring data is displayed in a form and graph mode, a target threshold value is set for the state parameter, early warning is carried out when the state parameter exceeds the threshold value, and a system maintainer is reminded to maintain the central monitoring system of the wind power plant.
Drawings
FIG. 1 is a schematic connection diagram of a system for monitoring the operating state of a central monitoring system of a wind farm according to the present invention;
FIG. 2 is one of the performance detection logic diagrams (CPU occupancy detection);
FIG. 3 is a second logic diagram of performance detection (hard disk occupancy detection);
FIG. 4 is a third logic diagram of performance detection (memory occupancy detection);
FIG. 5 is one of the data service response detection logic diagrams (situation where the condition monitoring system HTTPS or TCP protocol gathers specified real-time data from the central monitoring system server);
FIG. 6 is a second logic diagram of data service response detection (status monitoring system ModbusTCP or 104 protocol for collecting specified real-time data from the central monitoring system server);
FIG. 7 is a logic diagram of communication detection.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
Example 1
As shown in fig. 1 to 7, the invention discloses a system (hereinafter referred to as a state monitoring system) and a method for monitoring the operation state of a central monitoring system of a wind farm. The wind power plant is provided with a wind power plant central monitoring system, a centralized control Ethernet and a fan communication ring network, wherein the wind power plant central monitoring system and the fan communication ring network are respectively in communication connection with the centralized control Ethernet, the wind power plant central monitoring system is responsible for core services such as monitoring, control and data reporting of a wind power generator group, and whether the system normally operates is related to operation, maintenance and examination of the wind power plant. The state monitoring system disclosed by the scheme is used for monitoring the running state of the central monitoring system of the wind power plant and comprises an intranet system and an extranet system, wherein the intranet system and the extranet system for monitoring the running state of the central monitoring system of the wind power plant comprise server software and hardware and client software and hardware. The server hardware of the intranet system is shared with the server computer of the central monitoring system, and the client hardware of the intranet system can be shared with the client computer of the central monitoring system or an independent computer can be used. The method comprises the steps that server software monitors the network on-off condition, the hard disk use condition, the memory use condition and the CPU use condition of a wind power plant central monitoring system, data uploading service operation condition and the service operation condition of a response client, monitoring data are sent to the client software through an HTTP or TCP protocol, a form and graph mode is used for displaying on a client interface, a target threshold value is set for a state parameter, early warning is carried out when the state parameter exceeds the threshold value, and system maintenance personnel are reminded of maintaining the wind power plant central monitoring system.
A system for monitoring the running state of a central monitoring system of a wind power plant relates to a server computer and server software, a client computer and client software, a firewall and a forward isolation device of the central monitoring system of the wind power plant. The method comprises the steps that server software for monitoring the running state of the wind power plant central monitoring system monitors the network on-off condition, the hard disk use condition, the memory use condition, the CPU use condition, the data uploading service running condition and the response client service running condition of the wind power plant central monitoring system, monitoring data are sent to the client software through an HTTP or TCP protocol, the monitoring data are displayed on a client interface in a table and graph mode, a target threshold value is set for a state parameter, early warning is carried out when the state parameter exceeds the threshold value, and system maintenance personnel are reminded of maintaining the wind power plant central monitoring system.
A system for monitoring the running state of a wind power plant central monitoring system relates to a server computer, a client computer, wind power plant central monitoring system server software, wind power plant central monitoring system client software, a firewall and forward isolation equipment of the wind power plant central monitoring system. Deploying service software of the state monitoring system on a server computer and a client computer of the wind power plant central monitoring system, and deploying client software of the state monitoring system on the client computer of the wind power plant central monitoring system or other computer systems. When the client is deployed across networks, a firewall is added and configured, when the client is connected with the server through a public network, forward isolation equipment is added and configured, and a computer is configured outside the isolation equipment and serves as extranet service software of an extranet server operation state monitoring system and is used for receiving intranet data and providing data service for the extranet client.
The client software and the server software of the state monitoring system communicate through an HTTPS protocol, and the monitoring conditions are displayed in a data list, a graph and the like through a browser.
The state monitoring system server software is communicated with the wind power plant central monitoring system server software and the client software at regular time through an HTTPS or TCP private protocol, the communication mode is a mode of simulating a wind power plant central monitoring system client to read real-time data from a server, namely, a small amount of real-time data is read from the server by adopting a protocol and a data format of the central monitoring system client and analyzed, if the data is read normally and the numerical value accords with the common principle, the data acquisition and data response service of the central monitoring system server is verified to be normal, otherwise, the service is determined to be abnormal, and the data is pushed to the state monitoring system client to perform early warning and written into a state monitoring system database to be stored as a historical log for inquiry. And the state monitoring system server software is communicated with the wind power plant central monitoring system client software at regular time to keep heartbeat. And if the wind power plant central monitoring system client does not answer, the wind power plant central monitoring system client is considered to be failed to operate. The method comprises the steps that Modbus TCP protocol and 104 protocol are realized by state monitoring system server software, data are read from a wind power plant central monitoring system server end through the Modbus TCP protocol, the read data are consistent with real-time data parameters, the data are successfully read and are compared with the real-time data read through HTTPS or TCP private protocol, if the data difference is within a dead zone range, the data service provided by the wind power plant central monitoring system is considered to be normal in operation, otherwise, the service is considered to be abnormal, and a database written into the state monitoring service software is used as a historical log to be stored and inquired. And the server software of the state monitoring system acquires the CPU occupancy of the server computer of the central monitoring system of the wind power plant, and the server is considered to run normally when the occupancy is within a preset proportion range. And setting two levels of alarms for the over limit of the CPU occupancy, generating first-level early warning information when the occupancy exceeds a first-level preset value and the duration exceeds a set duration, storing the early warning information into a database of the state monitoring system server software for inquiry, and pushing the early warning information to a state monitoring system client for early warning prompt. And when the occupancy exceeds a second-stage preset value and exceeds a set time length, performing second-stage early warning, and triggering a corresponding protection mechanism. And server software of the state monitoring system acquires the memory occupancy rate of the central monitoring server of the wind power plant. And considering that the server normally operates within the preset proportion range. And setting two-stage alarm for memory occupancy exceeding the preset value of the first stage, generating first-stage early warning information when the occupancy exceeds the preset value of the first stage and the duration exceeds the set duration, storing the early warning information into a database for inquiry, and pushing the early warning information to a client of the state monitoring system for early warning prompt. And when the memory occupancy exceeds a second-level preset value and exceeds a set time, performing second-level early warning, pushing the memory occupancy to a client of the state monitoring system to perform early warning prompt and triggering a corresponding protection mechanism. The state monitoring system server software collects the utilization rate of the hard disk of the central monitoring server of the wind power plant, and divides the hard disk into a central monitoring system software operation area, a data storage area and other areas. Allowable occupancy rate values set in different areas are different, and the server is considered to be normally operated when the hard disk occupancy rate is within a preset proportion range. And setting two-stage alarm for the hard disk occupancy exceeding the limit, generating first-stage early warning information when the occupancy exceeds a first-stage preset value and the duration exceeds a set duration, storing the early warning information into a database for inquiry, and pushing the early warning information to a state monitoring client for early warning prompt. And the state monitoring system server software checks the on-off condition of a fan main controller network connected with a wind power plant central monitoring system server computer, a client computer and a central monitoring system. And the state monitoring system server software checks whether the communication with the main server, the standby server, the client computer and each fan main controller of the wind power plant central monitoring system is normal or not in a ping mode, if the ping is normal, the communication is considered to be normal, if the ping is not normal, the communication is disconnected, the communication condition is pushed to the state monitoring system client software, and the state monitoring system client performs early warning on the disconnected condition.
The state monitoring system server software saves the detected running state data into a log file at a set frequency, and provides an ini configuration file for setting FTP server information including server addresses, directories, user names and passwords. And the state monitoring system server software detects whether the information is set, and if the information is set, the stored log file is sent to the server software of the external network server of the external state detection system through the forward isolation gate at a set frequency. And the state monitoring system service software on the external network server extracts the file under the FTP directory, analyzes the file and pushes the data to client software in the external network, and the external network client receives the data and displays the data.
The set time length is a time length set in advance, and the set frequency is a frequency set in advance.
The client software of the state monitoring system is communicated with the state monitoring server software through an HTTP protocol, the running information detected by the state monitoring server software is collected, and the occupation conditions of a CPU, an internal memory and a hard disk are displayed on a general interface by a transverse histogram. When the numerical value is in the range of the preset proportion, the histogram shows normal in green display, shows in yellow when being in the first-level early warning numerical value, shows in red when being in the second-level warning numerical value, and carries out voice broadcast. And the client of the state monitoring system displays the communication on-off condition by using a communication topological graph. And refreshing the acquired real-time data and Modbus or 104 protocol data in real time under the communication topological graph, and popping up prompt information and voice broadcasting real-time acquisition errors of the central monitoring system when the real-time acquisition monitoring is abnormal. And when the data reporting monitoring is abnormal, popping up prompt information and reporting the data reporting error of the central monitoring system by voice.
The wind power plant central monitoring system is responsible for core services such as monitoring, control and data reporting of the wind power generator group, and whether the system normally operates is related to operation, maintenance and assessment of the wind power plant. If the wind power plant central monitoring system stops running or is outside the manpower monitoring due to network interruption, the wind power plant central monitoring system can enter an anxiety state with unknown unit conditions, and the problem can be solved as soon as possible by searching the reason for maintaining the wind power plant central monitoring system. The existing hot standby redundancy system basically adopts machines in the same state to serve a central monitoring system of a wind power plant, and the problem cannot be solved by switching the system under the condition that a hard disk or a network is too high. Therefore, timely early warning of the running condition of the monitoring system is the scheme with the lowest cost. The operation state monitoring system of the wind power plant central monitoring system can monitor the operation condition of the system, early warning is timely carried out when the network is interrupted or the resource is too high, the large-range fault conditions such as system breakdown are avoided, data with system problems are provided when the system is maintained, the maintenance efficiency of the wind power plant central monitoring system is improved, and finally the reliability of the central monitoring system is improved.
Example 2
As shown in fig. 1 to fig. 7, as a further optimization of embodiment 1, on the basis of embodiment 1, the present embodiment further includes the following technical features:
a system for monitoring the running state of a central monitoring system of a wind power plant (hereinafter referred to as a state monitoring system) is provided. The specific method comprises the following steps:
step 1: the state monitoring system server software is communicated with the wind power field central monitoring system server software and the client software through an HTTPS or TCP private protocol at regular time, the communication mode is a mode of simulating a wind power field central monitoring system client to read real-time data from a server, namely, a small amount of real-time data is read from the server by adopting a protocol and a data format of the central monitoring system client and analyzed, if the data is read normally and the numerical value accords with the common principle, the server data acquisition and data response service is verified to be normal, otherwise, the service is determined to be abnormal, and the server software is pushed to the state monitoring system client to perform early warning and written into a database of the state monitoring system server software to be stored as a historical log for inquiry.
Step 2: and the state monitoring system server software is communicated with the wind power plant central monitoring system client software at regular time to keep heartbeat. And if the client does not answer, the operation of the wind power plant central monitoring system client is considered to be failed.
And step 3: the method comprises the steps that Modbus TCP protocol and 104 protocol are realized by state monitoring system server software, data are read from the wind power plant central monitoring system server software through the protocol, the read data are consistent with real-time data parameters, the data are successfully read and are compared with the real-time data read through HTTPS or TCP private protocol, if the data difference is within a dead zone range, the data service provided by the wind power plant central monitoring system is considered to be normal in operation, otherwise, the service is considered to be abnormal, and a database written into the state monitoring system server software is used as a history log to be stored and inquired.
And 4, step 4: and the state monitoring system server software acquires the CPU occupancy of the server computer of the central monitoring system of the wind power plant, and the server is considered to be normally operated within a preset proportion range. And setting two-stage alarm for the over-limit of the CPU occupancy rate, generating first-stage early warning information when the occupancy rate exceeds a first-stage preset value and the duration time exceeds a set duration, storing the early warning information into a database for inquiry, and pushing the early warning information to a client of the state monitoring system for early warning prompt. And when the occupancy exceeds a second-stage preset value and exceeds a set time length, performing second-stage early warning, and triggering a corresponding protection mechanism.
And 5: and acquiring the memory occupancy rate of a server computer of the central monitoring system of the wind power plant by the state monitoring system server software. And considering that the server normally operates within the preset proportion range. And setting two-stage alarm for memory occupancy exceeding the preset value of the first stage, generating first-stage early warning information when the occupancy exceeds the preset value of the first stage and the duration exceeds the set duration, storing the early warning information into a database for inquiry, and pushing the early warning information to a client of the state monitoring system for early warning prompt. And when the memory occupancy exceeds a second-level preset value and exceeds a set time, performing second-level early warning, pushing the memory occupancy to a client of the state monitoring system to perform early warning prompt and triggering a corresponding protection mechanism.
Step 6: the method comprises the steps that server-side software of the state monitoring system collects the utilization rate of a hard disk of a server computer of the central monitoring system of the wind power plant, and the hard disk is divided into a central monitoring system software operation area, a data storage area and other areas. Allowable occupancy rate values set in different areas are different, and the server is considered to be normally operated when the hard disk occupancy rate is within a preset proportion range. And setting two levels of alarms for the hard disk occupancy exceeding the limit, generating first-level early warning information when the occupancy exceeds a first-level preset value and the duration exceeds a set duration, storing the early warning information into a database of the state monitoring system server software for inquiry, and pushing the early warning information to a state monitoring system client for early warning prompt.
And 7: and the state monitoring system server software checks the on-off condition of a fan main controller network connected with a wind power plant central monitoring system server, a client computer and a central monitoring system. And the state monitoring system server software checks whether the communication of each fan main controller connected with the main server, the standby server, the client computer and the wind power plant central monitoring system is normal or not in a ping mode, if the ping is normal, the communication is considered to be normal, if the ping is not normal, the communication is considered to be disconnected, the communication condition is pushed to the state monitoring system client, and the disconnected state monitoring system client is subjected to early warning.
And 8: the state monitoring system server software saves the detected running state data into a log file at a set frequency, and provides an ini configuration file for setting FTP server information including server addresses, directories, user names and passwords. And the state monitoring system server software detects whether the information is set or not, and if the information is set, the stored log file is sent to the state monitoring system external network server through the forward isolation gate at a set frequency.
And step 9: and the state monitoring system external network server software extracts the file under the FTP directory and then pushes the data to the client in the external network.
Step 10: the client software of the state monitoring system is communicated with the server software of the state monitoring system through an HTTP protocol, the running information detected by the server software of the state monitoring system is collected, and the occupation conditions of a CPU, an internal memory and a hard disk are displayed on a client interface by a horizontal histogram. When the numerical value is in the range of the preset proportion, the histogram shows normal in green display, shows in yellow when being in the first-level early warning numerical value, shows in red when being in the second-level warning numerical value, and carries out voice broadcast.
Step 11: and the client of the state monitoring system displays the communication on-off condition by a communication topological graph. And refreshing the collected real-time data and protocol data (the protocol data is Modbus protocol data or 104 protocol data) in real time under the communication topological graph, and popping up prompt information and voice broadcasting the real-time collection error of the central monitoring system when the real-time collection monitoring is abnormal. And when the data reporting monitoring is abnormal, popping up prompt information and reporting the data reporting error of the central monitoring system by voice.
A system for monitoring the running state of a central monitoring system of a wind power plant relates to a server and server-side software of the central monitoring system of the wind power plant, a client computer and client-side software, a firewall and a forward isolation device. The system for monitoring the running state of the central monitoring system of the wind power plant comprises an intranet system and an extranet system, wherein the intranet system and the extranet system both comprise server-side software hardware and client-side software hardware, the server-side monitors the network on-off condition, the hard disk use condition, the memory use condition, the CPU use condition, the real-time data acquisition condition and the data uploading service running condition of the central monitoring system of the wind power plant, monitoring data are sent to a client interface of the state monitoring system through an HTTP (hyper text transport protocol) or TCP (transmission control protocol), are displayed in a table and graph mode, a target threshold value is set for a state parameter, early warning is carried out when the state parameter exceeds the threshold value, and system maintenance personnel are reminded to maintain the central monitoring system of the wind power plant.
As described above, the present invention can be preferably implemented.
All features disclosed in all embodiments in this specification, or all methods or process steps implicitly disclosed, may be combined and/or expanded, or substituted, in any way, except for mutually exclusive features and/or steps.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications, equivalent arrangements, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The system for monitoring the running state of the central monitoring system of the wind power plant is characterized by comprising a wind power plant intranet state monitoring system and a wind power plant extranet state monitoring system which are used for monitoring the central monitoring system of the wind power plant, wherein the wind power plant intranet state monitoring system and the wind power plant extranet state monitoring system are respectively in communication connection with a centralized control Ethernet.
2. The system for monitoring the operating state of the central monitoring system of the wind farm according to claim 1, wherein the central monitoring system of the wind farm comprises a central monitoring system server and a central monitoring system client, the central monitoring system server comprises central monitoring system service software, and the central monitoring system client comprises central monitoring system client software; the central monitoring system server and the central monitoring system client comprise intranet state monitoring service software for monitoring the operation of the central monitoring system; the central monitoring system client also comprises intranet state monitoring client software; the wind power plant intranet state monitoring system comprises intranet state monitoring service software and intranet state monitoring client software; the wind power plant external network state monitoring system comprises an external network state monitoring system server and an external network state monitoring system client, wherein the external network state monitoring system server comprises state monitoring external network service software, and the external network state monitoring system client comprises state monitoring external network client software.
3. The system for monitoring the operating state of the central monitoring system of the wind farm according to claim 2, characterized by further comprising an isolation gate, wherein the external network state monitoring system server is connected with the centralized control Ethernet through the isolation gate.
4. A method for monitoring the operation state of a central monitoring system of a wind power plant is based on the system for monitoring the operation state of the central monitoring system of the wind power plant of claim 2 or 3, and is characterized by comprising the following steps:
s1, regularly communicating the intranet state monitoring service software for monitoring the running state of the wind power plant central monitoring system with the central monitoring system service software through an HTTPS or TCP private protocol, and reading and analyzing real-time data in a communication mode by adopting a protocol and a data format for simulating the communication between the wind power plant central monitoring system client software and the central monitoring system service software; if the data reading is normal and the numerical value is within the preset range, the server data acquisition and data response service is determined to be normal; otherwise, the service is judged to be abnormal, and the service is pushed to an intranet state monitoring system client for early warning and written into a state monitoring service software database to be stored as a history log for inquiry;
s2, regularly communicating the intranet state monitoring service software for monitoring the running state of the wind power plant central monitoring system with the client software of the wind power plant central monitoring system to keep heartbeat; if the wind power plant central monitoring system client does not answer, the wind power plant central monitoring system client is considered to be failed to operate;
s3, the extranet service software for monitoring the running state of the wind power plant central monitoring system reads and analyzes data from the intranet service software, and then pushes the data to an extranet monitoring client for display and voice early warning;
and S4, monitoring the external network state of the wind power plant in real time by the monitoring system and displaying the operation performance index of the central monitoring system of the wind power plant.
5. The method for monitoring the operation state of the wind farm central monitoring system according to claim 4, wherein the step S4 comprises the following steps: s41, acquiring the CPU occupancy of the wind power plant central monitoring server, and considering that the wind power plant central monitoring server normally operates if the occupancy is within a preset proportion range; and setting two levels of alarms for the over limit of the CPU occupancy: generating first-level early warning information when the occupancy exceeds a first-level preset numerical value and the duration exceeds a set duration, storing the early warning information into a database for inquiry, and pushing the early warning information to a client of the state monitoring system for early warning prompt; and when the occupancy exceeds a second-stage preset value and exceeds a set time length, performing second-stage early warning, and triggering a corresponding protection mechanism.
6. The method for monitoring the operation state of the central monitoring system of the wind farm according to the claim 4, wherein the step S4 comprises the following steps: s42, acquiring the memory occupancy rate of the central monitoring server of the wind power plant, and considering that the server normally operates if the memory occupancy rate is within a preset proportion range; setting two-stage alarm for memory occupancy overrun: generating first-level early warning information when the occupancy exceeds a first-level preset numerical value and the duration exceeds a set duration, storing the early warning information into a database for inquiry, and pushing the early warning information to a client of the state monitoring system for early warning prompt; and when the memory occupancy exceeds a second-level preset value and exceeds a set time, performing second-level early warning, pushing the memory occupancy to a client of the state monitoring system to perform early warning prompt and triggering a corresponding protection mechanism.
7. The method for monitoring the operation state of the central monitoring system of the wind farm according to the claim 4, wherein the step S4 comprises the following steps: s43, acquiring the utilization rate of the hard disk of the central monitoring server of the wind power plant, dividing the hard disk into a central monitoring system software operation area, a data storage area and other areas, wherein allowable occupancy numerical values set in different areas are different, and if the occupancy of the hard disk is within a preset proportion range, the server is considered to operate normally; setting two-stage alarm for hard disk occupancy overrun: and generating first-level early warning information when the occupancy exceeds a first-level preset value and the duration exceeds a set duration, storing the early warning information into a state monitoring service software database for inquiry, and pushing the early warning information to a state monitoring system client for early warning prompt.
8. The method for monitoring the operation state of the central monitoring system of the wind farm according to the claim 4, wherein the step S4 comprises the following steps: s44, checking the on-off condition of the wind turbine master controller network connected with the wind farm central monitoring system server, the wind farm central monitoring system client and the central monitoring system, and checking whether the communication of each wind turbine master controller connected with the wind farm central monitoring system master server, the backup server, the client and the wind farm central monitoring system is normal or not by the state monitoring system service software in a ping mode: if the ping is successful, the communication is considered to be normal; and if the ping is not successful, the communication is considered to be disconnected, the communication condition is pushed to the client side of the state monitoring system, and the client side of the disconnected state monitoring system is subjected to early warning.
9. The method for monitoring the operation state of the central monitoring system of the wind farm according to the claim 4, wherein the step S4 comprises the following steps: s45, the intranet state monitoring service software saves the detected running state data into a log file at a set frequency, and provides an ini configuration file for setting FTP server information, including server addresses, directories, user names and passwords; the external network state monitoring system server software detects whether the information is set, and if the information is set, the stored log file is sent to the external network state monitoring system server through the forward isolation gate at a set frequency; the external network state monitoring server software extracts the file under the FTP directory and pushes the data to the client in the external network after analyzing the file; the state monitoring client software is communicated with the state monitoring service software through an HTTP protocol, the running information detected by the state monitoring service software is collected, and the occupation conditions of a CPU, an internal memory and a hard disk are displayed on a general interface by a horizontal histogram; when the numerical value is in the range of the preset proportion, the histogram shows normal in green display, shows in yellow when being in the first-level early warning numerical value, shows in red when being in the second-level warning numerical value, and carries out voice broadcast.
10. The method for monitoring the operation state of the central monitoring system of the wind farm according to the claim 4, wherein the step S4 comprises the following steps: s46, the client of the external network state monitoring system displays the communication on-off condition by a communication topological diagram: refreshing the collected real-time data and protocol data in real time under the communication topological graph: when the real-time acquisition monitoring is abnormal, popping up prompt information and broadcasting a real-time acquisition error of the central monitoring system by voice; and when the data reporting monitoring is abnormal, popping up prompt information and reporting the data reporting error of the central monitoring system by voice.
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