CN108769209B - Graph maintenance system and method for scheduling cloud - Google Patents
Graph maintenance system and method for scheduling cloud Download PDFInfo
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- CN108769209B CN108769209B CN201810546947.0A CN201810546947A CN108769209B CN 108769209 B CN108769209 B CN 108769209B CN 201810546947 A CN201810546947 A CN 201810546947A CN 108769209 B CN108769209 B CN 108769209B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L67/01—Protocols
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Abstract
The invention discloses a graphic maintenance system and a method of a scheduling cloud, wherein the system comprises a security proxy server, a plurality of scheduling clouds and a plurality of graphic maintenance terminals; the scheduling cloud is provided with a model service, a data service and a safety control service; the method comprises the steps that a graph maintenance terminal forwards a maintenance request or database filling request information to a scheduling cloud corresponding to a graph to be maintained through a security proxy server, the scheduling cloud carries out user authority verification through a security management and control service, model verification is carried out through a model service, and picture model data or database filling operation result data are returned to the graph maintenance terminal through the security proxy server or error information is returned when the verification is failed; the graph maintenance terminal comprises a graph drawing module, and the scheduling cloud provides power equipment parameters and real-time state data for the graph drawing module through data service. The model data such as the graph maintenance mode, the picture and the like can be mostly reused, the implementation cost of the dispatching cloud can be greatly reduced, and meanwhile, the reliability and the practicability of the graph maintenance are improved.
Description
Technical Field
The invention relates to the technical field of power automation, in particular to a graphic maintenance system and a graphic maintenance method for a scheduling cloud.
Background
A web mode is adopted for traditional scheduling cloud graphic maintenance, and the problems of high potential safety hazard, high construction and operation cost, poor stability, time delay and the like exist. With the enhancement of the interconnection degree of the power system and the continuous development of the remote power transmission network, the dispatching cloud system also appears and develops. However, the cloud computing technology born based on the internet technology adopts a WEB mode on a client, is greatly different from the architecture adopted by the existing scheduling system, is too low in reusability of the existing system, and has huge workload for redeveloping a set of graph maintenance program by the WEB technology. Moreover, the B/S method is difficult to satisfy the safety requirements of large power generation areas, and has defects in stability and real-time performance. A safe, stable and real-time low-cost maintenance mode is urgently needed for dispatching clouds.
Disclosure of Invention
The invention aims to provide a graph maintenance system and a graph maintenance method for a scheduling cloud, which are used for carrying out graph maintenance on the scheduling cloud based on a safety message bus, can reuse an existing graph model and meet the maintenance requirements of safety, stability and instantaneity.
The technical scheme adopted by the invention is as follows: a graph maintenance system of a scheduling cloud comprises a security proxy server, a plurality of scheduling clouds and a plurality of graph maintenance terminals; each graph maintenance terminal is connected and communicated with each scheduling cloud in a message bus mode through a security proxy server;
each scheduling cloud is respectively provided with a model service, a data service and a safety control service, and user permission data are prestored in the safety control service; each graph maintenance terminal comprises a maintenance request module, a graph drawing module and a library filling request module;
the graph maintenance terminal forwards maintenance request information to a scheduling cloud corresponding to a graph to be maintained through a maintenance request module and a security proxy server, the scheduling cloud carries out user authority verification on the received maintenance request information through a security management and control service, and after the verification is passed, picture model data is returned to the corresponding graph maintenance terminal through the security proxy server, or error information is returned when the verification is failed;
the graph maintenance terminal conducts graph drawing based on the picture model data fed back by the scheduling cloud through a graph drawing module; the scheduling cloud provides power equipment parameters and real-time state data for a graph drawing module of the graph maintenance terminal through data service;
the graphic maintenance terminal sends the database filling request information to the scheduling cloud through the database filling request module, the scheduling cloud conducts user permission verification on the received database filling request information through the safety management and control service, model verification is conducted through the model service after the user permission verification is passed, then database filling operation is executed after the model verification is passed, and database filling operation result information is returned to the graphic maintenance terminal.
In the invention, the scheduling cloud can be compatible with public cloud, private cloud and mixed cloud. The graphic maintenance terminal can be a graphic maintenance APP running in each graphic maintenance workstation. When the security proxy server dynamically discovers the service provided by each scheduling cloud and allocates the service to the corresponding scheduling cloud according to the request information of the graph maintenance terminal, the security proxy server can adopt the existing network access technology based on the security proxy service, such as allocating the corresponding relation between the user and the authority, the responsibility area, the node and the like in advance.
Further, the graph maintenance terminal also comprises a graph publishing module, the graph maintenance terminal sends a graph publishing request to the scheduling cloud through the security proxy server by using the graph publishing module, and the graph publishing request comprises user permission data; and the dispatching cloud carries out release authority verification on the graph release request of the graph maintenance terminal through the safety control service, and if the verification is passed, the maintained picture model is added into version management through the model service, so that model release is executed. At this time, the model service of the scheduling cloud may notify the client programs of the network nodes to reconnect or download new screens or models.
Preferably, the maintenance request includes a network node where the graphic maintenance terminal is located, a user, a password and data related to the picture model to be maintained; after receiving the maintenance request information, the scheduling cloud firstly checks the user permission of the graph maintenance terminal through the security management and control service, and if the user permission passes the check, the scheduling cloud forwards the picture and the model data corresponding to the maintenance request to the corresponding graph maintenance terminal through the security proxy server.
Preferably, the database filling request information includes user authority data and database filling preset data; after receiving the database filling request information, the scheduling cloud firstly checks the user authority through the security management and control service, if the user authority passes the check, model checking is carried out through the model service based on database filling preset data, if the model checking is successful, the database filling operation is executed, and the image data after the database filling is returned to the graphic maintenance terminal.
Preferably, the graph drawing module of the graph maintenance terminal comprises graph drawing units respectively used for drawing a plant station single line graph, a system graph, a tide flow graph, a direct current graph, a menu control picture, a chart, a feeder line graph, a geographical graph and a configuration working condition graph, and each graph drawing unit is respectively provided with a plurality of graph elements including a basic graph, an electric power alternating current equipment primitive, an electric power direct current equipment primitive, a measuring point primitive, a background primitive and a device primitive.
Preferably, the graph drawing module of the graph maintenance terminal further comprises a data retrieval unit, the graph drawing module forwards the data retrieval request to the scheduling cloud through the data retrieval unit and the security proxy server, the scheduling cloud performs permission verification on the data retrieval request by using the security management and control service, and if the verification is passed, the data retrieval result data is returned to the graph maintenance terminal by using the data service.
Preferably, the data provided by the scheduling cloud for the graph drawing module of the graph maintenance terminal through the data service includes: the on-off state, voltage, current, active and reactive parameters of the primary and secondary electric power equipment, and real-time state data.
The invention also discloses a graph maintenance method of the scheduling cloud, which comprises the following steps:
setting a graph maintenance terminal at each graph maintenance workstation;
setting a safety control service, a model service and a data service in a scheduling cloud;
setting a safety proxy server, and establishing message bus type data communication connection between each graph maintenance terminal and a plurality of scheduling clouds;
when graphic maintenance is required:
101, a graph maintenance terminal forwards maintenance request information to a scheduling cloud corresponding to a graph to be maintained through a security proxy server;
102, the scheduling cloud receives the maintenance request information, and performs authority verification on the maintenance request information by using a security management and control service: if the verification is successful, the security management and control service informs the model service, returns the current picture model information to the graphic maintenance terminal through the security proxy server, and turns to 103; if the verification fails, the safety management and control service returns verification failure information;
103, drawing the picture by the graphic maintenance terminal based on the received picture model information until the drawing is finished;
104, the graph maintenance terminal forwards the database filling request information to the scheduling cloud through the security proxy server;
105, receiving the filling request information by the scheduling cloud, and performing authority verification on the filling request information by using the security management and control service: if the verification is successful, the safety management and control service informs the model service, carries out model verification based on preset database filling data in the database filling request information, executes database filling operation after the verification is successful, and returns the database filling operation result information to the graphic maintenance terminal through the safety proxy server; if any check fails, an error message is returned.
Further, the graph maintenance method of the scheduling cloud of the present invention further includes:
after the operation of filling the graphic library, when the graphic is required to be released: the graph maintenance terminal forwards the graph release request to the scheduling cloud through the security proxy server, the scheduling cloud conducts release authority verification on the graph release request of the graph maintenance terminal through the security management and control service, if the verification is passed, the maintained picture model is added into version management through the model service, and then model release is executed. At this time, the model service of the scheduling cloud may notify the client programs of the network nodes to reconnect or download new screens or models.
Advantageous effects
The graph maintenance operation method and the system for dispatching the cloud have the following advantages and progresses:
(1) the traditional B/S scheme is abandoned, and the cloud computing technology is utilized, so that the graph maintenance terminal only needs to deploy lightweight graph maintenance software;
(2) the graphic maintenance software and the scheduling cloud are communicated in a message bus form, so that the method has the advantages that the message bus is real-time, safe and stable, and network jitter and packet loss can be prevented;
(3) the graph maintenance software is accessed to the scheduling cloud through the security agent service, the scheduling cloud is provided with a security management and control service, a model service and a data service which are respectively used for user authority verification, model management and database filling, and the data service, and all parts are in work and cooperation, so that the working efficiency is greatly improved. The workstation after the security authorization can be accessed to the cloud at any time and any place for graph maintenance, and is convenient and fast.
By using the system and the method of the invention to maintain the graphs, model data such as graph maintenance modes, pictures and the like of the scheduling cloud can be mostly reused, and the implementation cost of the scheduling cloud can be greatly reduced; the system can safely and reliably span the public network, can meet the performance requirement of maintenance, meets the requirements of safety, real time and stability of dispatching cloud, and solves the problems of poor real time performance, poor safety, poor stability and the like of the traditional B/S scheme; the cloud sharing cloud, the private cloud and the mixed cloud can be compatible, so that the cloud sharing cloud and the mixed cloud have good social and economic benefits.
Drawings
FIG. 1 is a schematic diagram illustrating a screen maintenance operation process according to the present invention;
FIG. 2 is a schematic diagram of the library filling operation process according to the present invention.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and the specific embodiments.
Example 1
Referring to fig. 1 and 2, a graph maintenance system of a scheduling cloud includes a security proxy server, a plurality of scheduling clouds, and a plurality of graph maintenance terminals; each graph maintenance terminal is connected and communicated with each scheduling cloud in a message bus mode through a security proxy server;
each scheduling cloud is respectively provided with a model service, a data service and a safety control service, and user permission data are prestored in the safety control service; each graph maintenance terminal comprises a maintenance request module, a graph drawing module and a library filling request module;
the graph maintenance terminal forwards maintenance request information to a scheduling cloud corresponding to a graph to be maintained through a maintenance request module and a security proxy server, the scheduling cloud carries out user authority verification on the received maintenance request information through a security management and control service, and after the verification is passed, picture model data is returned to the corresponding graph maintenance terminal through the security proxy server, or error information is returned when the verification is failed;
the graph maintenance terminal conducts graph drawing based on the picture model data fed back by the scheduling cloud through a graph drawing module; the scheduling cloud provides power equipment parameters and real-time state data for a graph drawing module of the graph maintenance terminal through data service;
the graphic maintenance terminal sends the database filling request information to the scheduling cloud through the database filling request module, the scheduling cloud conducts user permission verification on the received database filling request information through the safety management and control service, model verification is conducted through the model service after the user permission verification is passed, then database filling operation is executed after the model verification is passed, and database filling operation result information is returned to the graphic maintenance terminal.
In the system, the scheduling cloud can be compatible with a public cloud, a private cloud and a mixed cloud. The graph maintenance terminal can be a graph maintenance APP running in each graph maintenance workstation and is used for drawing, editing configuration, filling and the like of the picture. When the security proxy server dynamically discovers the service provided by each scheduling cloud and allocates the service to the corresponding scheduling cloud according to the request information of the graph maintenance terminal, the security proxy server can adopt the existing network access technology based on the security proxy service, such as allocating the corresponding relation between the user and the authority, the responsibility area, the node and the like in advance.
In this embodiment, the scheduling cloud sets up a model center, a data center, and a security management and control service. The model center provides model services, including:
1.1 database retrieval, picture acquisition, release, library filling, verification, interval generation and the like;
1.2 the image maintenance APP sends an image acquisition request, the model service searches and matches the most suitable image according to the request information, and packs other related information and files and returns the other related information and files to the image maintenance APP;
1.3 when the graph maintenance APP sends a database retrieval request, the model service organizes database index information according to the request and returns the database index information to the graph maintenance APP, and the graph maintenance APP is displayed on an interface according to the received information for a user to select and use;
1.4 after the graph maintenance APP draws the graph, when the database filling request is sent, the scheduling cloud model center receives the request, namely, whether the picture meets the database filling condition is checked according to the request information. If not, returning error information; and if the conditions are met, performing a process of filling the library to automatically generate the equipment model. And after the model center is filled with the database, automatically matching the picture with the model again, and returning the latest picture and related information to the graph maintenance APP.
1.5: the graph maintenance APP can send an automatic interval generation request, and the model center automatically analyzes and calculates and generates intervals according to the graph topology connection relation.
The data center of the dispatching cloud provides data service, and the data service comprises the following steps:
2.1: the dynamic data service comprises dynamic data acquisition, dynamic data pushing, decision calculation and the like, when the image maintenance APP sends an image preview request, the scheduling cloud data service acquires relevant data from each scheduling center database according to image request information, performs calculation processing on the data according to image configuration, and finally packs result data and images together and sends the result data and the images back to the image maintenance APP;
2.2: the data retrieval service sends a request to acquire database information when the graph maintenance APP performs picture configuration, and after receiving the request, the database retrieval service organizes retrieval data and returns the retrieval data to the graph maintenance APP;
2.3: and judging whether the identity information (users, nodes and the like) of the requester is legal or not according to the identity information of the requester, and only providing data service for the legal request.
The safety management and control service of the dispatching cloud provides related services such as safety access, authority verification and responsibility area filtering, and mainly comprises the following steps:
3.1, safety management in all directions ensures the safety and reliability of scheduling cloud maintenance. The safety control service can distribute safety information such as users, authorities, responsibility areas, nodes and the like.
3.2 user password check service, the graph maintenance APP needs to log in when sending a graph maintenance request, a user and a password are input and sent to the cloud security management and control service, and if the user name or the password is incorrect, the security management and control service can prompt that the log-in is illegal. If the number of wrong password inputs exceeds a specified upper limit, the user can be directly locked;
3.3 permission verification service, after the graph maintenance APP passes the last verification after logging in, whether the user has permission related to maintenance or not is further verified, and if the user does not pass the verification, the user is prompted to log in illegally. If the number of illegal logins exceeds a prescribed upper limit, the user is directly locked.
3.4: and (3) checking service in the authority responsibility area, after the graph maintenance APP passes the check of the maintenance authority, further checking whether the user can access the resources in the responsibility area, and if the check is not successful, prompting that the login is illegal. If the number of illegal logins exceeds a prescribed upper limit, the user is directly locked.
After receiving the maintenance request, the security management and control service of the scheduling cloud firstly verifies whether the user is legal, then verifies whether the password is legal, then verifies whether the authority is legal, then verifies whether the responsibility area is legal, and then verifies whether the picture is in a maintainable state. When any one check fails, the safety management and control service sends error information to the safety agent service, the safety agent service forwards the error information to the graph maintenance APP, and the graph maintenance APP receives abnormal information and prompts the abnormal information.
The graph maintenance terminal-graph maintenance APP of this embodiment is an independent lightweight client program software, deployment is simple, and all configurations and data are acquired from a scheduling cloud, that is: the graph maintenance APP accesses the scheduling cloud, and obtains pictures, models and data from a cloud, wherein the data comprise various parameters of on-off states, voltage, current, active power, reactive power and the like, real-time states and the like of primary power equipment (switches, disconnecting links, transformers, buses, PT, CT, converter valves and the like) and secondary power equipment (protection, measurement and control and the like). The graph maintenance APP mainly plays a role in drawing various graphs required by the scheduling system, wherein the various graphs comprise a plant station single line diagram, a system diagram, a tide flow diagram, a direct flow diagram, a menu control picture, a diagram, a feeder diagram, a geographical diagram, a configuration working condition diagram and the like; the diagram contains various graphic elements, including basic graphics (points, lines, circles, rectangles, arcs, Bessel lines, parabolas, characters, pictures and the like), power alternating current equipment primitives (circuit breakers, disconnecting links, transformers, generators, lines, buses, capacitive reactors, loads, coils and the like), power direct current equipment primitives (grounding electrodes, converter valves and the like), measuring point primitives (numerical values, state values and the like), background primitives (plates, weather, freezing points and the like), and device primitives (protection, measurement and control, pipelines, pumps and the like).
When the graph is maintained and the APP draws the graph, the equipment model can be automatically generated according to the graph, the operation is a database filling operation, specifically, the graph equipment information is sent to a dispatching cloud end, the database filling is completed through the model service, and the equipment model is generated.
The graph maintenance terminal also comprises a graph publishing module, and sends a graph publishing request to the scheduling cloud through the security proxy server by using the graph publishing module, wherein the graph publishing request comprises user permission data; and the dispatching cloud carries out release authority verification on the graph release request of the graph maintenance terminal through the safety control service, and if the verification is passed, the maintained picture model is added into version management through the model service, so that model release is executed. At this time, the model service of the scheduling cloud may notify the client programs of the network nodes to reconnect or download new screens or models.
When the library filling request is made, the graphic maintenance APP can select whether to release the versions at the same time.
The maintenance request information sent by the graphic maintenance terminal comprises a network node where the graphic maintenance terminal is located, a user, a password and relevant data of a picture model needing to be maintained; after receiving the maintenance request information, the scheduling cloud firstly checks the user permission of the graph maintenance terminal through the security management and control service, and if the user permission passes the check, the scheduling cloud forwards the picture and the model data corresponding to the maintenance request to the corresponding graph maintenance terminal through the security proxy server.
The database filling request information sent by the graphic maintenance terminal comprises user authority data and database filling preset data; after receiving the database filling request information, the scheduling cloud firstly checks the user authority through the security management and control service, if the user authority passes the check, model checking is carried out through the model service based on database filling preset data, if the model checking is successful, the database filling operation is executed, and the image data after the database filling is returned to the graphic maintenance terminal.
Preferably, the graph drawing module of the graph maintenance terminal further comprises a data retrieval unit, the graph drawing module forwards the data retrieval request to the scheduling cloud through the data retrieval unit and the security proxy server, the scheduling cloud performs permission verification on the data retrieval request by using the security management and control service, and if the verification is passed, the data retrieval result data is returned to the graph maintenance terminal by using the data service.
The data between the graph maintenance APP and the scheduling cloud are forwarded through the security proxy service, and the following effects can be achieved:
4.1 the graphic maintenance APP sends a service request to the security proxy service, and the security proxy server forwards the request to the cloud service. The graph maintenance APP can also send a message to the security agent service, and the message is forwarded to the other graph maintenance APP by the security agent service;
4.2 the safety proxy server automatically collects the service of the cloud end, and the graph maintenance APP can send information to a certain service in a group;
4.3 the security proxy server registers request information after receiving the graph maintenance APP request, and the cloud service can actively push information to one or more graph maintenance APPs;
4.4 the security proxy server supports a plurality of scheduling cloud systems, supports automatic discovery of the scheduling cloud systems, dynamically discovers services provided by the cloud system, and distributes the services to different cloud systems according to the request information of the remote terminal, thereby realizing dynamic load balancing.
Example 2
The embodiment is a graph maintenance method for scheduling cloud, comprising the following steps:
setting a graph maintenance terminal at each graph maintenance workstation, wherein the graph maintenance terminal can be understood as a graph maintenance APP and is used for accessing a scheduling cloud, sending a maintenance request or a library filling request to the scheduling cloud after login and verification, and receiving service data of the scheduling cloud;
setting a safety control service, a model service and a data service in a scheduling cloud;
setting a safety proxy server, and establishing message bus type data communication connection between each graph maintenance terminal and a plurality of scheduling clouds, namely the safety proxy server is used for information forwarding between a graph maintenance APP and the scheduling clouds;
when graphic maintenance is required:
101, a graph maintenance terminal forwards maintenance request information to a scheduling cloud corresponding to a graph to be maintained through a security proxy server;
102, the scheduling cloud receives the maintenance request information, and performs authority verification on the maintenance request information by using a security management and control service: if the verification is successful, the security management and control service informs the model service, returns the current picture model information to the graphic maintenance terminal through the security proxy server, and turns to 103; if the verification fails, the safety management and control service returns verification failure information;
103, drawing the picture by the graphic maintenance terminal based on the received picture model information until the drawing is finished;
104, the graph maintenance terminal forwards the database filling request information to the scheduling cloud through the security proxy server;
105, receiving the filling request information by the scheduling cloud, and performing authority verification on the filling request information by using the security management and control service: if the verification is successful, the safety management and control service informs the model service, carries out model verification based on preset database filling data in the database filling request information, executes database filling operation after the verification is successful, and returns the database filling operation result information to the graphic maintenance terminal through the safety proxy server; if any check fails, an error message is returned.
The graph maintenance method of the scheduling cloud further comprises the following steps:
after the operation of filling the graphic library, when the graphic is required to be released: the graph maintenance terminal forwards the graph release request to the scheduling cloud through the security proxy server, the scheduling cloud conducts release authority verification on the graph release request of the graph maintenance terminal through the security management and control service, if the verification is passed, the maintained picture model is added into version management through the model service, and then model release is executed. At this time, the model service of the scheduling cloud may notify the client programs of the network nodes to reconnect or download new screens or models.
Referring to fig. 1, the graph maintenance process of the present invention specifically includes the following steps:
s11: the graph maintenance APP sends a login request to a security agent service, request information comprises client computer nodes, users, passwords, pictures needing maintenance and the like, the security agent service forwards the information to a scheduling cloud, and the scheduling cloud allocates a security management and control service to take charge of login verification;
s12: the safety control service of the dispatching cloud firstly checks whether the user is legal, then checks whether the password is legal, then checks whether the authority is legal, then checks whether the responsibility area is legal, and then checks whether the picture is in a maintainable state. When any one check fails, the safety management and control service sends error information to the safety agent service, the safety agent service forwards the error information to the graph maintenance APP, and the graph maintenance APP receives abnormal information and prompts the abnormal information.
The security proxy server forwards the maintenance request and related login data (authority, number, responsibility area, IP and the like) to the corresponding scheduling cloud, and the security management and control service of the scheduling cloud judges whether the graph maintenance APP is allowed to login;
s13: when the safety control service judges that the graph maintenance APP is allowed to log in, the safety control service continuously checks whether the request has graph maintenance authority or not, whether the requested picture model resource is in the scope of the responsibility area of the request or not, and after all the checks are passed, the safety control service informs a scheduling cloud check result to complete a login check process; after receiving the deployment of the scheduling cloud, the model center sends the relevant data such as pictures and models related to the maintenance request to the security agent service, and the data is forwarded to the graph maintenance APP,
s14: the graph maintenance APP receives the picture model data and then displays the picture model data through analysis and rendering; the user can draw various graphs required by the scheduling system on the APP, and the data retrieval service of the scheduling cloud can be called in the process of drawing the graphs;
s15: after the picture is drawn completely by the graph maintenance APP and the model is checked and filled, a release request can be sent to the scheduling cloud. The dispatching cloud security management and control system firstly checks whether the user and the node have the issuing authority, and if the user and the node do not pass the checking, error information is directly returned;
s16: the scheduling cloud issues the graphic model to the model center according to the received issuing request, the model center can add the picture and the model into version management, issue the model to each node of the model center, and inform each related program to reconnect or download new pictures and models;
s17: the model center will trigger a notification that the relevant party has changed the model. The scheduling cloud will send the release result back to the graphic maintenance APP.
Referring to fig. 2, the model library filling process between the graph maintenance and the graph release described in S15 of the present invention specifically includes the following steps:
s21: the graph maintenance APP sends a filling preset request and related configuration data (permission, serial number, responsibility area, node and the like) to the security proxy server;
s22: the safety proxy server forwards the database filling preset request to a corresponding scheduling cloud, and a safety control server of the scheduling cloud judges whether the graph maintenance APP is allowed to log in; the safety control server checks the user password, the database filling authority, the responsibility area authority and the like, and if the user password, the database filling authority, the responsibility area authority and the like fail, the dispatching cloud directly returns error information;
s23: when the graph maintenance APP is judged to be allowed to log in, the scheduling cloud sends login permission to the security proxy server, the security proxy server forwards the login permission to the graph maintenance APP, and a login verification process is completed;
s24: after receiving the successful filling library presetting message, the graph maintenance APP sends a filling library request message to the security proxy server;
s25: the safety proxy server forwards the database filling request to a corresponding scheduling cloud, the scheduling cloud sends a database filling preset message and database filling model information to the model center for model verification, and if the model verification fails, error information is sent back to the graph maintenance APP;
s26: the model center carries out library filling operation according to the library filling model information, carries out post-library filling processing on related pictures after the library filling operation is finished, and returns the pictures subjected to the library filling to the graph maintenance APP;
s27: and the graph maintenance APP receives the picture and the model information after the database filling, and prompts the completion of the database filling.
The model verification described in this embodiment includes various logical connection verification operations (such as number of switch endpoints, device idle, device short, device interval illegal, etc.) for a device at a time.
In summary, the following steps:
the invention relates to a graph maintenance operation method and a graph maintenance operation system for scheduling cloud, which are characterized in that (1) a traditional B/S scheme is abandoned, a cloud computing technology is adopted, and a lightweight graph maintenance APP is deployed; (2) the graphic maintenance APP and the security agent service are communicated by a specially designed message bus, and the message bus is real-time, safe and stable, so that network jitter and packet loss can be prevented; (3) the graph maintenance APP is connected to a scheduling cloud through a security agent service, a scheduling cloud model center is responsible for model management, library filling and the like, and a data center is responsible for related data services; the graph maintenance APP sends a maintenance request and obtains a graph model from a model center; and sending a database filling request, and completing operations such as database filling and the like by the model center to realize maintenance of the scheduling cloud. According to the technical scheme, the method can safely and reliably span the public network, can meet the performance requirement of maintenance, can meet the requirements of dispatching cloud safety, real time and stability, is a low-cost maintenance mode, can reuse the existing graphic model, and greatly saves investment.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A graphic maintenance system for scheduling cloud is characterized in that: the system comprises a security proxy server, a plurality of scheduling clouds and a plurality of graph maintenance terminals; each graph maintenance terminal is connected and communicated with each scheduling cloud in a message bus mode through a security proxy server;
each scheduling cloud is respectively provided with a model service, a data service and a safety control service, and user permission data are prestored in the safety control service; each graph maintenance terminal comprises a maintenance request module, a graph drawing module and a library filling request module;
the graph maintenance terminal forwards maintenance request information to a scheduling cloud corresponding to a graph to be maintained through a maintenance request module and a security proxy server, wherein the maintenance request information comprises a network node where the graph maintenance terminal is located, a user, a password and data related to a picture model to be maintained; the scheduling cloud carries out user authority verification on the received maintenance request information through the safety management and control service, and returns picture model data to the corresponding graph maintenance terminal through the safety proxy server after the verification is passed, or returns error information when the verification is failed;
the graph maintenance terminal conducts graph drawing based on the picture model data fed back by the scheduling cloud through a graph drawing module; the scheduling cloud provides power equipment parameters and real-time state data for a graph drawing module of the graph maintenance terminal through data service;
the graphic maintenance terminal sends filling request information to a scheduling cloud through a filling request module, wherein the filling request information comprises user permission data and filling preset data; the scheduling cloud carries out user authority verification on the received database filling request information through the safety management and control service, model verification is carried out on the database filling request information based on preset database filling data through the model service after the user authority verification passes the verification, then database filling operation is carried out after the model verification passes, and database filling operation result information is returned to the graphic maintenance terminal.
2. The graphical maintenance system of a dispatch cloud of claim 1, wherein: the graph maintenance terminal also comprises a graph publishing module, and sends a graph publishing request to the scheduling cloud through the security proxy server by using the graph publishing module, wherein the graph publishing request comprises user permission data; and the dispatching cloud carries out release authority verification on the graph release request of the graph maintenance terminal through the safety control service, and if the verification is passed, the maintained picture model is added into version management through the model service, so that model release is executed.
3. The graphical maintenance system of a dispatch cloud of claim 1, wherein: the graph drawing module of the graph maintenance terminal comprises graph drawing units which are respectively used for drawing a plant station single line graph, a system graph, a tide flow graph, a direct current graph, a menu control picture, a chart, a feed line graph, a geographic graph and a configuration working condition graph, and each graph drawing unit is respectively provided with a plurality of graph elements including a basic graph, an electric power alternating current equipment primitive, an electric power direct current equipment primitive, a measuring point primitive, a background primitive and a device primitive.
4. The graphical maintenance system of a dispatch cloud of claim 1, wherein: the graph drawing module of the graph maintenance terminal further comprises a data retrieval unit, the graph drawing module forwards a data retrieval request to the scheduling cloud through the data retrieval unit and the security proxy server, the scheduling cloud conducts authority verification on the data retrieval request through the security management and control service, and if the verification is passed, retrieval result data are returned to the graph maintenance terminal through the data service.
5. The graphical maintenance system of a dispatch cloud of claim 1, wherein: the data provided by the scheduling cloud for the graph drawing module of the graph maintenance terminal through the data service comprises the following data: the on-off state, voltage, current, active and reactive parameters of the primary and secondary electric power equipment, and real-time state data.
6. A graph maintenance method of a scheduling cloud is characterized by comprising the following steps: the method comprises the following steps:
setting a graph maintenance terminal at each graph maintenance workstation;
setting a safety control service, a model service and a data service in a scheduling cloud;
setting a safety proxy server, and establishing message bus type data communication connection between each graph maintenance terminal and a plurality of scheduling clouds;
when graphic maintenance is required:
101, a graph maintenance terminal forwards maintenance request information to a scheduling cloud corresponding to a graph to be maintained through a security proxy server;
102, the scheduling cloud receives the maintenance request information, and performs authority verification on the maintenance request information by using a security management and control service: if the verification is successful, the security management and control service informs the model service, returns the current picture model information to the graphic maintenance terminal through the security proxy server, and turns to 103; if the verification fails, the safety management and control service returns verification failure information;
103, drawing the picture by the graphic maintenance terminal based on the received picture model information until the drawing is finished;
104, the graph maintenance terminal forwards the database filling request information to the scheduling cloud through the security proxy server;
105, receiving the filling request information by the scheduling cloud, and performing authority verification on the filling request information by using the security management and control service: if the verification is successful, the safety management and control service informs the model service, carries out model verification based on preset database filling data in the database filling request information, executes database filling operation after the verification is successful, and returns the database filling operation result information to the graphic maintenance terminal through the safety proxy server; if any check fails, an error message is returned.
7. The method of graphical maintenance of a dispatch cloud of claim 6, wherein: further comprising:
after the operation of filling the graphic library, when the graphic is required to be released: the graph maintenance terminal forwards the graph release request to the scheduling cloud through the security proxy server, the scheduling cloud conducts release authority verification on the graph release request of the graph maintenance terminal through the security management and control service, if the verification is passed, the maintained picture model is added into version management through the model service, and then model release is executed.
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