CN114124965A - Remote operation and maintenance system of preposed tool based on RGS - Google Patents
Remote operation and maintenance system of preposed tool based on RGS Download PDFInfo
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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- H04L41/0677—Localisation of faults
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
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Abstract
The invention discloses a remote operation and maintenance system of a preposed tool based on an RGS (traffic group service), and aims to solve the technical problem that the traditional dispatching automation system is difficult to realize remote operation and maintenance service under a complex network. The system consists of a network communication layer, an application service layer and a performance display layer, wherein the network communication layer comprises an RGS network interface and a message monitoring tool, the application service layer comprises a database service module, a data message service module, a preposed service module and a permission management service module, and the performance display layer comprises a preposed monitoring tool and a preposed maintenance tool; the network communication layer is used for generating and monitoring an RGS message; the application service layer is used for calling system data, configuring system parameters and controlling system operation according to the RGS message; the expression display layer is used for generating a configuration request and a protocol message query request and displaying a configuration or query result. The invention can realize remote operation and maintenance service in a complex network environment and has great advantages for application scenes with unstable network and small bandwidth.
Description
Technical Field
The invention relates to a remote operation and maintenance system of a preposed tool based on an RGS (remote target system), belonging to the technical field of data acquisition of a power system dispatching main network and a power distribution network.
Background
In an electric power system, a traditional scheduling automation system (EMS) is generally centralized in a local area network environment of a single place, the number of system servers and workstations is small, users are generally professional application personnel such as automation, scheduling and modes, most of the system servers and workstations are centralized in the local area network of the scheduling automation system, the working efficiency is low, and the working range is limited by the network, the geographic position and the like. With the continuous expansion of the scale of a power grid, the construction of an intelligent power grid is deepened continuously, the integration of a transverse system and a longitudinal system is increased continuously, particularly, the integration construction requirements of regulation, control, distribution integration, prefecture and county integration, provincial and local integration, new energy (photovoltaic and wind power) centralized control and the like are met, the network environment of a power system is more complex and diversified, the traditional dispatching automation system cannot meet the dispatching requirement, and a remote operation and maintenance service and a tool of a narrow-band network are required to be supported.
Disclosure of Invention
In order to solve the problem that a traditional dispatching automation system is difficult to realize remote operation and maintenance service under a complex network, the invention provides an RGS-based remote operation and maintenance system for a preposed tool.
In order to solve the technical problems, the invention adopts the following technical means:
the invention provides an RGS-based remote operation and maintenance system of a preposed tool, which consists of a network communication layer, an application service layer and a performance display layer, wherein the network communication layer and the application service layer are arranged in a system server and a workstation of an electric power system, and the performance display layer is arranged in the workstation of the electric power system;
the network communication layer is used for generating an RGS message according to the data of the application service layer and the performance display layer, sending the RGS message to the performance display layer and the application service layer, and monitoring the RGS message;
the application service layer is used for calling data in the system server, configuring system parameters, controlling system operation and storing the data according to the RGS message;
and the expression display layer is used for sending a configuration request and a protocol message query request to the system server through the RGS message, and acquiring and displaying a configuration or query result.
Further, the network communication layer comprises an RGS network interface and a message monitoring tool; the RGS network interface is used for packaging and analyzing RGS message headers according to data of the application service layer and the presentation layer, and generating and receiving RGS messages; the message monitoring tool is used for counting, inquiring and displaying the RGS messages of the RGS network interface, and carrying out system network bandwidth measurement and calculation.
Furthermore, the application service layer comprises a data message service module, a preposition service module, a permission management service module and a database service module; the data message service module is used for acquiring a real-time protocol message from a system server according to a protocol message query request of the presentation display layer and sending the protocol message to the presentation display layer through a network communication layer; the preposed service module is used for receiving and analyzing the RGS message, configuring system parameters according to the configuration request of the presentation layer and controlling system operation; the authority management service module is used for acquiring a user name and a password which are input by the presentation display layer, performing authority matching with the database service module according to the user name and the password, and transmitting an authority matching result to the presentation display layer through the network communication layer; the database service module is used for connecting a server database of the system server, analyzing the authority matching operation of the authority management service module, the configuration system parameters of the preposed service module and the control system operation into a data modification instruction, writing the data modification instruction into the server database, and reading data from the server database.
Further, the performance display layer comprises a front monitoring tool and a front maintenance tool; the prepositive monitoring tool is used for generating a configuration request and a protocol message query request according to a prepositive requirement, and acquiring and displaying a configuration result or a protocol message; the front maintenance tool is used for verifying and releasing the front model in the power system.
Further, the front module comprises a front channel and a protocol plug-in, and the front channel and the protocol plug-in are provided with unique OIDs.
Further, the configuration request comprises a front-end model monitoring request, a model parameter setting request and a front-end channel restarting request.
Further, after the RGS message is analyzed by the preposed service module, the analyzed contents are classified according to the preset class, and the classified analyzed contents and the class name are sent to other modules together.
The following advantages can be obtained by adopting the technical means:
the invention provides an RGS-based remote operation and maintenance system for a preposed tool, which is characterized in that the operation and maintenance request of the preposed tool is carried out through an expression display layer arranged on a workstation, data interaction is carried out by using RGS message service, specific remote operation and maintenance operation is realized through a plurality of service modules on an application service layer, data acquisition, parameter configuration and preposed tool control of a power system scheduling main distribution network can be realized, and integrated, automatic and efficient preposed remote operation and maintenance service is realized. The invention is based on the RGS service, can effectively reduce the network message load, reduce the complexity of the whole system, improve the stability of the system, can realize the remote operation and maintenance service in a complex network environment, and has great advantages for the application scenes of unstable network and small bandwidth. The invention also monitors the RGS message through the message monitoring tool, thereby being convenient for quickly positioning and solving the problem when the system has problems. In the invention, the application service layer is provided with modules such as database service, data message service, preposition service, authority management service and the like, so that the preposition tool can realize the functions of remotely acquiring operation authority, data messages and database contents, carrying out system configuration and the like, thereby not only ensuring the safety of the system, but also improving the automation degree of the system and ensuring the remote operation and maintenance effect.
Drawings
FIG. 1 is a schematic diagram of an RGS-based remote operation and maintenance system for a tool according to the present invention;
FIG. 2 is a flowchart illustrating the operation of the presentation layer for performing remote rights management in an embodiment of the present invention;
fig. 3 is an operation flowchart of the front monitoring tool viewing a remote specification message in the embodiment of the present invention;
FIG. 4 is a flow chart illustrating operation of the pre-monitoring tool for remote operation monitoring in an embodiment of the present invention;
FIG. 5 is a flow chart illustrating remote maintenance operations performed by the pre-service tool in an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
the invention provides an RGS-based remote operation and maintenance system of a preposed tool, which comprises a network communication layer, an application service layer and a performance display layer as shown in figure 1, wherein the network communication layer comprises an RGS network interface and a message monitoring tool, the application service layer comprises a database service module, a data message service module, a preposed service module and a permission management service module, and the performance display layer comprises the preposed monitoring tool and a preposed maintenance tool. The preposed monitoring tool and the preposed maintenance tool are respectively connected with the preposed service module and the authority monitoring service module and are used for sending the system login information and the preposed requirement to the application service layer.
In the invention, the network communication layer and the application service layer need to be arranged in a system server of the power system and a workstation of the power system, and the front monitoring tool and the front maintenance tool of the presentation display layer are tools directly used by operation and maintenance personnel and are only arranged in the workstation of the power system.
The network communication layer is mainly used for generating RGS messages according to data of the application service layer and the performance display layer, sending the RGS messages to the performance display layer and the application service layer, and monitoring the RGS messages.
The RGS network interface is a function supporting module of other modules in the system and provides functions of resource release notification, file service and the like, the RGS network interface is used for packaging and analyzing RGS message headers according to data of an application service layer and a presentation display layer, and generating and receiving RGS messages, other modules in the operation and maintenance system can realize the transmission function of the RGS messages through the RGS network interface, and further realize data interaction, for example, the RGS network interface generates corresponding query messages according to a protocol message query request of a front monitoring tool, and then sends the query messages to the data message service module, and the data message service module queries required protocol messages.
The message monitoring tool is mainly used for counting, inquiring and displaying the RGS messages in the power system, is connected with the RGS network interface, can acquire the RGS messages from the RGS network interface in real time and sort the messages according to the time of the messages, associated modules and the like, can display the RGS messages on a system server in a simple and easy manner, and can provide the RGS message counting and inquiring function. When the front-mounted remote operation and maintenance system has a fault, if data is not refreshed and an operation result is not returned, the message monitoring tool can quickly locate the message corresponding to the problem according to time, modules, contents and the like, so that the problem can be more effectively processed. The message monitoring tool can also measure and calculate the system network bandwidth to obtain the network communication condition of the operation and maintenance system. The message monitoring tool can display the complete RGS message, can also display the RGS message with the message header taken out, can display the RGS message according to the content sent by the module, and can also display the RGS message according to the time and monitor the real-time message and the historical message of the RGS network interface.
The application service layer is mainly used for calling data in the system server, configuring system parameters, controlling system operation and storing data through the RGS message. The application service layer is the key of the remote operation and maintenance system, can comb the specific operation, data, protocol message display requirements and the like of the presentation display layer, extracts necessary information needing to be interacted with the system server, organizes the information in sequence, transmits the information to the RGS network interface, and finally transmits the information to the system server.
The data message service module is mainly used for acquiring a real-time protocol message from a system server according to a protocol message query request of the presentation display layer and sending the protocol message to the presentation display layer through a network communication layer. After the authority is obtained, logging is carried out, a front-end channel to be subjected to protocol message monitoring can be selected on a tool page of the front-end monitoring tool, a message viewing button is clicked, the front-end monitoring tool generates a corresponding protocol message query request, a data message service module analyzes the protocol message query request, a required protocol message is obtained from a system server, the protocol message is combed and organized and then returns to the front-end monitoring tool, a protocol message interface on the front-end monitoring tool is opened, and the protocol message is displayed. Because the protocol message is refreshed in real time, the protocol message is sent to the data message service module whenever a new protocol message is generated in the system, so that the protocol message displayed by the front monitoring tool is updated, and the data message service module can not stop sending the new protocol message until a protocol message interface closing command is received.
The pre-service module is mainly used for receiving and analyzing the RGS message, obtaining a request or a specific operation (such as a login operation) of the presentation layer from the RGS message, and forwarding the request or the specific operation to other modules, and the pre-service module is also used for configuring system parameters and controlling system operation according to a configuration request of the presentation layer, for example, restarting a certain pre-channel. After the front monitoring tool obtains the requests or specific operations of the presentation display layer, the requests and the operations can be classified according to preset categories, and the requests and the operations and category names are sent out together after the classification is completed, so that the requests and the operations can be quickly identified by other modules.
The authority management service module is used for managing system login authority, when an operation and maintenance person opens a front monitoring tool or a front maintenance tool, a tool page can pop up a login box to require the operation and maintenance person to input a user name and a password, the authority management service module can acquire the user name and the password input by the presentation display layer through an RGS network interface, then authority matching is carried out with the database service module according to the user name and the password, specifically, user information in a server database is called through the database service module, then the user information is matched with the input user name and the input password, the authority matching result is transmitted to the presentation display layer through the RGS network interface, when the authority matching is successful, the operation and maintenance person can normally log in the front monitoring tool or the front maintenance tool, otherwise, the tool page can prompt that the login is failed. And after the login authority is successfully matched, the authority management module can also acquire the operation of the operation and maintenance personnel on the front monitoring tool or the front maintenance tool through the RGS network interface, match the operation authority, determine whether the user has the authority content required by the tool, if the operation authority is successfully matched, endow the front monitoring tool or the front maintenance tool with the corresponding authority, normally perform remote operation and maintenance operation, otherwise, prompt no authority on a tool page.
The database service module is mainly used for connecting a server database of a system server, analyzing the authority matching operation of the authority management service module, the configuration system parameters of the front service module and the control system operation into data modification instructions and writing the data modification instructions into the server database, wherein the data modification instructions can write system operation, operation results and the like into the server database to ensure the real-time performance and accuracy of the server database, the database service module is also used for reading necessary data from the server database, such as system user information, the database service module provides a data basis for the system, and other modules can call and modify the data in the server database through the database service module.
The presentation display layer is mainly used for sending a configuration request and a protocol message query request to the system server through the RGS message, and acquiring and displaying a configuration or query result. Most operations of the presentation layer are related to a front-end model, the front-end model comprises a front-end channel and a protocol plug-in, and the front-end channel and the protocol plug-in are provided with unique OIDs.
The front monitoring tool is used for realizing a front remote operation monitoring function, and specifically comprises acquisition model monitoring, front channel restarting, dynamic parameter remote setting and the like. The prepositive monitoring tool can generate a configuration request and a protocol message query request according to the prepositive requirement, wherein the configuration request further comprises a prepositive model monitoring request, a model parameter setting request, a prepositive channel restarting request and the like, and the protocol message query request is a request aiming at the protocol message. The pre-monitoring tool sends the generated request to the pre-service module, the pre-service module can extract necessary information from the generated request, such as a model name to be monitored, an OID of a pre-channel to be restarted, a parameter value to be changed and the like, the system performs inquiry or configuration operation according to the necessary information, then returns an operation result to the pre-monitoring tool, and the pre-monitoring tool acquires and displays a configuration result (such as system data change, whether the channel is restarted successfully) or an inquired protocol message.
The preposed maintenance tool is used for realizing a preposed remote maintenance function, in particular the remote maintenance, verification and release functions of the preposed model. The preposed maintenance tool can send maintenance information of the preposed model to the preposed service module, the preposed service module extracts necessary information from the maintenance information, such as OID of a preposed channel and a protocol plug-in, change operation needed by a database and the like, the preposed service module classifies the necessary information and sends the information to the system server, the system server carries out verification or release operation, the model change is written into the database service module, then an operation result is returned to the preposed maintenance tool, and the preposed maintenance tool analyzes the information to obtain whether the operation is successful, the reason of the operation failure and the like and displays the information.
Fig. 2 is a schematic diagram of remote rights management of a front-end tool in an embodiment of the present invention, and a specific process includes:
1. inputting a command to open a front monitoring tool or a front maintenance tool;
2. selecting/inputting a user name in a login dialog box popped up by a front monitoring tool or a front maintenance tool, and inputting a corresponding password;
3. the prepositive monitoring tool or the prepositive maintenance tool sends the user name and the password to the authority management service module of the workstation, and the authority management service module transmits the user name and the password to the RGS client (equivalent to an RGS network interface configured at the workstation);
4. the RGS client organizes the user name and the password into an RGS message through an RGS network interface and sends the RGS message to an RGS server (equivalent to the RGS network interface configured in a system server);
5. the RGS server analyzes and processes the RGS message, acquires a user name and a password, performs authority matching by using an authority management service module and a database service module of the system server, and finally organizes an authority matching result into the RGS message and returns the RGS message to the RGS client;
6. and the permission management service module of the workstation processes the returned RGS message and gives corresponding operation and maintenance permission to the front monitoring tool or the front maintenance tool according to the permission matching result.
Fig. 3 is a schematic diagram of a remote protocol message viewing process of a front-end tool in an embodiment of the present invention, where the specific process includes:
1. selecting a preposed channel to be subjected to protocol message monitoring in a preposed monitoring tool, and clicking a message viewing button;
2. the prepositive monitoring tool generates a protocol message query request containing a prepositive channel OID, and the protocol message query request is forwarded to an RGS client through a prepositive service module;
3. the RGS client organizes the protocol message query request into an RGS message and sends the RGS message to the RGS server;
4. the RGS server analyzes and processes the RGS message, and a data message service module in the system server acquires a required protocol message from the system server according to the OID and other information of the front channel and returns the protocol message to the RGS client;
5. the data message service module of the workstation processes the return content and transmits the return content to the preposed service module;
6. the prepositive service transmits the protocol message to the prepositive monitoring tool, the interface of the protocol message is opened, and the protocol message is refreshed in real time.
Fig. 4 is a schematic diagram of a remote operation monitoring process of a front-end tool in an embodiment of the present invention, where a specific flow includes:
1. performing some conventional operation on the front monitoring tool, such as starting and stopping a front channel;
2. the operation content is transmitted to the RGS client through the front-end service of the workstation;
3. the RGS client organizes the operation content into an RGS message and then sends the RGS message to the RGS server;
4. the RGS server analyzes and processes the RGS message, a preposed service module on the system server controls the system operation according to the operation content, and organizes the operation result into an RGS message and then returns the RGS message to the RGS client;
5. the database service module processes and stores the returned content, and transmits the returned operation result to the prepositive service module of the workstation;
6. and the front service of the workstation sends the operation result to the front monitoring tool for displaying.
Fig. 5 is a schematic diagram of a remote maintenance process of a front end tool in an embodiment of the present invention, where a specific flow includes:
1. performing some conventional operation on the preposed maintenance tool, such as modifying protocol parameters, verifying and issuing;
2. the operation content is transmitted to the RGS client through the front-end service of the workstation;
3. the RGS client organizes the operation content into an RGS message and then sends the RGS message to the RGS server;
4. the RGS server analyzes and processes the RGS message, a preposed service module on the system server performs specific preposed model operation according to the operation content, and organizes the operation result into the RGS message and then returns the RGS message to the RGS client;
5. the database service module processes and stores the returned content, and transmits the returned operation result to the prepositive service module of the workstation;
6. and the front service of the workstation sends the operation result to a front maintenance tool for displaying.
The remote operation and maintenance system of the preposed tool can realize remote operation and maintenance functions of remotely acquiring operation authority, data messages and database contents, performing system configuration and the like, effectively reduces network message load, reduces the complexity of the whole system, improves the stability of the system, and has great advantages for application scenes with unstable networks and small bandwidth.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A remote operation and maintenance system of a preposed tool based on RGS is characterized by comprising a network communication layer, an application service layer and a performance display layer, wherein the network communication layer and the application service layer are arranged in a system server and a workstation of an electric power system, and the performance display layer is arranged in the workstation of the electric power system;
the network communication layer is used for generating an RGS message according to the data of the application service layer and the performance display layer, sending the RGS message to the performance display layer and the application service layer, and monitoring the RGS message;
the application service layer is used for calling data in the system server, configuring system parameters, controlling system operation and storing the data according to the RGS message;
and the expression display layer is used for sending a configuration request and a protocol message query request to the system server through the RGS message, and acquiring and displaying a configuration or query result.
2. The RGS-based remote operation and maintenance system of claim 1, wherein the network communication layer comprises an RGS network interface and a message monitoring tool; the RGS network interface is used for packaging and analyzing RGS message headers according to data of the application service layer and the presentation layer, and generating and receiving RGS messages; the message monitoring tool is used for counting, inquiring and displaying the RGS messages of the RGS network interface, and carrying out system network bandwidth measurement and calculation.
3. The RGS-based preposition tool remote operation and maintenance system according to claim 1, wherein the application service layer comprises a data message service module, a preposition service module, a rights management service module, a database service module; the data message service module is used for acquiring a real-time protocol message from a system server according to a protocol message query request of the presentation display layer and sending the protocol message to the presentation display layer through a network communication layer; the preposed service module is used for receiving and analyzing the RGS message, configuring system parameters according to the configuration request of the presentation layer and controlling system operation; the authority management service module is used for acquiring a user name and a password which are input by the presentation display layer, performing authority matching with the database service module according to the user name and the password, and transmitting an authority matching result to the presentation display layer through the network communication layer; the database service module is used for connecting a server database of the system server, analyzing the authority matching operation of the authority management service module, the configuration system parameters of the preposed service module and the control system operation into a data modification instruction, writing the data modification instruction into the server database, and reading data from the server database.
4. The RGS-based remote operation and maintenance system for tool prepositions according to claim 1, wherein the performance presentation layer comprises a preposition monitoring tool and a preposition maintenance tool; the prepositive monitoring tool is used for generating a configuration request and a protocol message query request according to a prepositive requirement, and acquiring and displaying a configuration result or a protocol message; the front maintenance tool is used for verifying and releasing the front model in the power system.
5. The RGS-based remote operation and maintenance system of claim 4, wherein the pre-model comprises pre-channel and protocol plug-ins, and the pre-channel and protocol plug-ins are provided with unique OIDs.
6. The RGS-based preamble remote operation and maintenance system of claim 5, wherein the configuration request comprises a preamble model monitoring request, a model parameter setting request, and a preamble channel restart request.
7. The RGS-based remote operation and maintenance system of a preposed tool is characterized in that after the preposed service module analyzes the RGS message, the preposed service module classifies the analyzed content according to the preset class and sends the classified analyzed content and the class name to other modules.
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| CN104881748A (en) * | 2015-06-02 | 2015-09-02 | 广西大学 | Power dispatching automation method and power dispatching automation system based on 'cloud computing' dispatching application |
| CN109428907A (en) * | 2017-08-23 | 2019-03-05 | 南京南瑞继保电气有限公司 | Across the power scheduling area's network operation bill system of one kind |
| WO2019233047A1 (en) * | 2018-06-07 | 2019-12-12 | 国电南瑞科技股份有限公司 | Power grid dispatching-based operation and maintenance method |
| CN113497489A (en) * | 2020-04-01 | 2021-10-12 | 南京南瑞继保电气有限公司 | Provincial power distribution main station system meeting provincial and local integrated operation and maintenance requirements |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104881748A (en) * | 2015-06-02 | 2015-09-02 | 广西大学 | Power dispatching automation method and power dispatching automation system based on 'cloud computing' dispatching application |
| CN109428907A (en) * | 2017-08-23 | 2019-03-05 | 南京南瑞继保电气有限公司 | Across the power scheduling area's network operation bill system of one kind |
| WO2019233047A1 (en) * | 2018-06-07 | 2019-12-12 | 国电南瑞科技股份有限公司 | Power grid dispatching-based operation and maintenance method |
| CN113497489A (en) * | 2020-04-01 | 2021-10-12 | 南京南瑞继保电气有限公司 | Provincial power distribution main station system meeting provincial and local integrated operation and maintenance requirements |
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