CN116452139A - Polymorphic multi-application real-time library system and device suitable for centralized control of transformer substation - Google Patents
Polymorphic multi-application real-time library system and device suitable for centralized control of transformer substation Download PDFInfo
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Abstract
The invention discloses a multi-state multi-application real-time library system and a device suitable for centralized control of a transformer substation, wherein the multi-state multi-application real-time library system suitable for centralized control of the transformer substation comprises a basic configuration module, a real-time library memory structure management module, a rule loading and triggering mechanism module and a section model loading module, wherein the basic configuration module is used for defining states and applications, configuring machine nodes, configuring memory capacity and the like, the real-time library memory structure management module is used for realizing shared memory based on application-level granularity, the rule loading and triggering mechanism module is used for realizing binding of attribute types and corresponding rules in a model dictionary and adding a rule triggering mechanism to a real-time library writing interface, and the section model loading module is used for realizing online loading and subscription notification functions of a section model.
Description
Technical Field
The invention relates to the technical field of centralized monitoring of transformer substations, in particular to a multi-state multi-application real-time library system and device suitable for centralized control of transformer substations.
Background
The multi-state multi-application operation mode of the real-time library is always a key operation scene of a transformer substation and a distribution network main station system, for example, an equipment model ready for operation is firstly tested and operated in a pre-modeling state, and the real-time operation is converted after the test is passed; and for example, how to construct a safe and efficient multi-state multi-application real-time library scene is an important index of practical and reliable system by a system manager in the inversion state to run important segments recorded in accident recall.
The traditional secondary manufacturer adopts a shared memory sharing a real-time library to realize multi-state multi-application, has larger potential safety hazard, influences the normal operation of the whole multi-state multi-application as long as one state or application is damaged, has larger interdependence between applications and between applications, cannot be completely independent between applications and between states, and has the interaction between applications and between states.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the above-mentioned and/or existing problems with multi-state multi-application systems of real-time libraries.
Therefore, the invention aims to provide the polymorphic multi-application real-time library system and the polymorphic multi-application real-time library device suitable for centralized control of the transformer substation, and the polymorphic environment is built by adopting an application combination loose coupling mode, so that the appointed application can be replaced at any time, the online plug and play is realized, and the reliability, the usability and the safety of the system are greatly improved.
In order to solve the technical problems, according to one aspect of the present invention, the following technical solutions are provided:
a multi-state, multi-application real-time library system suitable for centralized control of a substation, comprising:
a base configuration module configured to: definition of implementation states and applications, machine node configuration, memory capacity configuration and model configuration;
the real-time library memory structure management module is configured to: realizing a shared memory based on application-level granularity, wherein each state shared memory consists of a plurality of application shared memories, the application shared memories are realized by adopting an offset memory pool irrelevant to addresses, and a loading data source is from commercial library table data;
a rule loading and triggering mechanism module configured to: binding of attribute types and corresponding rules in a model dictionary and adding of a rule triggering mechanism to a real-time library writing interface are realized;
a section model loading module configured to: and realizing the on-line loading and subscription notification functions of the section model.
As a preferred scheme of the multi-state multi-application real-time library system suitable for centralized control of a transformer substation, in the configuration of the machine nodes, each machine node downloads the real-time library according to the state number, the application number and the capacity defined by the configuration file, and the real-time library provides a complete model dictionary to realize the association mapping of the object types and the attribute types.
As a preferable scheme of the multi-state multi-application real-time library system suitable for centralized control of a transformer substation, the construction method of the application shared memory comprises the following steps:
creating a shared memory pool according to the capacity configuration information;
according to the table type information defined in the model dictionary, sequentially establishing paging objects in the shared memory Chi Zhongchuang, wherein members defined in the paging objects comprise table type numbers, attribute numbers, capacity sizes, record pointer offset values, two-dimensional time scale pointer offset values and two-dimensional value pointer offset values;
loading commercial library table data, writing commercial library table data values into paging objects, and writing record number IDs into a hash memory at the same time, so as to establish a real-time library quick indexing mechanism;
setting the version number of the application shared memory, and writing the version number into a version number file.
As a preferred scheme of the multi-state multi-application real-time library system suitable for centralized control of a transformer substation, the shared memory pool comprises a container space, a hash space and a paging space;
the container space stores a record linked list in a one-to-many relation in the memory table;
the hash space stores an index mechanism of a memory table, and comprises a page offset value and a record offset value;
the paging space stores business library table data.
As a preferable scheme of the multi-state multi-application real-time library system suitable for centralized control of a transformer substation, the two-dimensional pointer offset value specifically refers to a specific attribute value of a specific record by adopting a pointer defining the pointer.
As a preferable scheme of the multi-state multi-application real-time library system suitable for centralized control of the transformer substation, the rule adopts a plug-in dynamic loading mechanism.
As a preferable scheme of the multi-state multi-application real-time library system suitable for centralized control of a transformer substation, the method for loading the section model in the section model loading module comprises the following steps of:
the section model loading tool modifies the names of section application folders, distinguishes the original application folders, and configures new names into the real-time library parameter files;
the section model loading tool writes model loading attributes of machine objects in the real-time library and notifies the real-time library to start section model loading;
creating a new application shared memory object by the real-time library, loading a new section mapping file, and unloading an old section application shared memory by the reference counting intelligent pointer;
and when the process subscribes to the section loading message, receiving a real-time library notification section loading completion.
A multi-state multi-application real-time library device suitable for centralized control of a transformer substation, comprising:
the basic configuration module is used for device node configuration, memory capacity configuration and model configuration;
the polymorphic multi-application management module is used for loading polymorphic modes of application combinations in the device;
the rule loading module is used for loading rule plug-ins and realizing measurement custom logic calculation;
the section model loading module is used for on-line loading and subscribing functions of the section model.
And the increment loading module is used for adding, deleting and modifying the records of the memory table in the real-time library.
As a preferred scheme of the multi-state multi-application real-time library device suitable for centralized control of a transformer substation, in the incremental loading module, an incremental message informs the real-time library of the modification operation of loading records through a bus, and meanwhile, whether a commercial library has an incremental submitted record or not is periodically accessed to prevent the receipt of the bus message.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a multi-state multi-application real-time library system and a multi-state multi-application real-time library device suitable for centralized control of a transformer substation, which realize application-level shared memory by adopting a memory pool address independent relative offset shared memory technology, and form an independent state real-time library through an application combination mode, so as to thoroughly unlock the interdependence between applications and the interdependence between the applications, realize complete independence between the applications and the state, avoid the interaction between the applications and the state, realize regular binding and the management of a section model on the basis, further optimize the centralized monitoring system of the transformer substation, and realize on-line plug-and-play due to the fact that the multi-state environment is built by adopting the application combination loose coupling mode.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. Wherein:
FIG. 1 is a block diagram of a multi-state, multi-application real-time library system suitable for centralized control of a substation in accordance with the present invention;
FIG. 2 is a layout diagram of a system of the multi-state multi-application real-time library system suitable for centralized control of a transformer substation of the present invention;
FIG. 3 is a block diagram of an application shared memory of a multi-state multi-application real-time library system suitable for centralized control of a substation;
fig. 4 is a block diagram of a multi-state multi-application real-time library apparatus suitable for centralized control of a transformer substation according to the present invention.
Description of the embodiments
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.
Next, the present invention will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The invention provides a polymorphic multi-application real-time library system and a polymorphic multi-application real-time library device suitable for centralized control of a transformer substation, which adopt an application combination loose coupling mode to build a polymorphic environment, and the appointed application can be replaced at any time, so that the online plug and play is realized, and the reliability, the usability and the safety of the system are greatly improved.
As shown in fig. 2, according to the centralized monitoring specification requirements of the substation, the concept of states is a set of applications that achieve certain determined targets in one operating environment, and the real-time library polymorphism includes real-time state (state 1), pre-actor state (state 2), test state (state 3) and inversion state (state 4), and the applications are composed of a set of functions closely related to each other, and the multiple applications include a data processing application, a public basic application and a data acquisition application.
In the present invention, as shown in fig. 1 and fig. 3, a multi-state multi-application real-time library system suitable for centralized control of a transformer substation in this embodiment includes a main body portion including a basic configuration module, a real-time library memory structure management module, a rule loading and triggering mechanism module, and a section model loading module.
The base configuration module is configured to: definition of implementation state and application, machine node configuration, memory capacity configuration and model configuration, wherein the model comprises, but is not limited to, a substation table (substation), a line table (ACLINE), a voltage type table (basevoltage), a transformer table (powertransformer), a main device telemetry (measanalog), a main device telemetry (measPoint) and the like, in the machine node configuration, each machine node downloads a real-time library according to a state number, an application number and a capacity defined by a configuration file, and the real-time library provides a complete model dictionary to realize association mapping of object types and attribute types.
The real-time library memory structure management module is configured to: the method comprises the steps of realizing a shared memory based on application-level granularity, wherein each state of shared memory consists of a plurality of application shared memories, the application shared memories are realized by adopting an offset memory pool irrelevant to addresses, loading data sources are from commercial library table data, 4096 table structures can be stored maximally, each table data corresponds to one paging object in a real-time library, the maximum storage record number of each paging object is 1024 x 1024, if the record number of the table exceeds the maximum record number of a single page, one page is newly added, and the paging object comprises a next variable to maintain all paging linked lists of the table.
In this embodiment, the method for constructing the application shared memory specifically includes the following steps:
the shared memory pool is created according to the capacity configuration information, as shown in fig. 3, and includes a container space, a hash space and a paging space, wherein the container space stores a record linked list in a one-to-many relation in the memory table, the hash space stores an indexing mechanism of the memory table, the indexing mechanism comprises a page offset value and a record offset value, and the paging space stores commercial library table data.
According to the table type information defined in the model dictionary, sequentially establishing paging objects in the shared memory Chi Zhongchuang, wherein members defined in the paging objects comprise table type numbers, attribute numbers, capacity sizes, record pointer offset values, two-dimensional time scale pointer offset values and two-dimensional value pointer offset values;
loading commercial library table data, writing commercial library table data values into paging objects, and writing record number IDs into a hash memory at the same time, so as to establish a real-time library quick indexing mechanism;
setting the version number of the application shared memory, and writing the version number into a version number file.
Because the paging object comprises a plurality of records, each record comprises a plurality of attributes, the real-time library read-write is fast and reliable by adopting the two-dimensional pointer offset value, namely adopting the pointer defining the pointer to point to the specific attribute value of the specific record.
The rule loading and triggering mechanism module is configured to: the method comprises the steps of realizing the binding of attribute types and corresponding rules in a model dictionary and adding a rule trigger mechanism to a real-time library write interface, writing a two-dimensional value pointer in a paging object when the real-time library write interface is called, judging whether the attribute is bound with the rule or not on the one hand, directly calling a rule plug-in if the attribute is bound with the rule, realizing the internal logic processing of the rule, and adopting a plug-in dynamic loading mechanism for the rule.
The section model loading module is configured to: the method for loading the section model comprises the following steps of:
the section model loading tool modifies the names of section application folders, distinguishes the original application folders, and configures new names into the real-time library parameter files;
the section model loading tool writes model loading attributes of machine objects in the real-time library and notifies the real-time library to start section model loading;
creating a new application shared memory object by the real-time library, loading a new section mapping file, and unloading an old section application shared memory by the reference counting intelligent pointer;
and when the process subscribes to the section loading message, receiving a real-time library notification section loading completion.
Based on the multi-state multi-application real-time library system suitable for centralized control of the transformer substation, as shown in fig. 4, the invention also provides a multi-state multi-application real-time library device suitable for the multi-state multi-application real-time library system for centralized control of the transformer substation, which comprises a basic configuration module, a multi-state multi-application management module, a rule loading module, a section model loading module and an increment loading module.
The basic configuration module is used for device node configuration, memory capacity configuration and model configuration;
the polymorphic multi-application management module is used for loading polymorphic modes of application combinations in the device;
the rule loading module is used for loading rule plug-ins and realizing measurement custom logic calculation;
the section model loading module is used for on-line loading and subscribing functions of the section model.
And the increment loading module is used for adding, deleting and modifying the records of the memory table of the real-time library, wherein in the increment loading module, the increment message informs the modification operation of the loading records of the real-time library through a bus, and meanwhile, whether the commercial library has increment submitting records or not is periodically accessed so as to prevent the bus message from being not received.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. A polymorphic multi-application real-time library system suitable for centralized control of a substation, comprising:
a base configuration module configured to: definition of implementation states and applications, machine node configuration, memory capacity configuration and model configuration;
the real-time library memory structure management module is configured to: realizing a shared memory based on application-level granularity, wherein each state shared memory consists of a plurality of application shared memories, the application shared memories are realized by adopting an offset memory pool irrelevant to addresses, and a loading data source is from commercial library table data;
a rule loading and triggering mechanism module configured to: binding of attribute types and corresponding rules in a model dictionary and adding of a rule triggering mechanism to a real-time library writing interface are realized;
a section model loading module configured to: and realizing the on-line loading and subscription notification functions of the section model.
2. The multi-state multi-application real-time library system suitable for centralized control of a transformer substation according to claim 1, wherein in the machine node configuration, each machine node downloads a real-time library according to a state number, an application number and a capacity defined by a configuration file, and the real-time library provides a complete model dictionary to realize the association mapping of object types and attribute types.
3. The polymorphic multi-application real-time library system suitable for centralized control of a transformer substation according to claim 1, wherein the construction method of the application shared memory comprises the following steps:
creating a shared memory pool according to the capacity configuration information;
according to the table type information defined in the model dictionary, sequentially establishing paging objects in the shared memory Chi Zhongchuang, wherein members defined in the paging objects comprise table type numbers, attribute numbers, capacity sizes, record pointer offset values, two-dimensional time scale pointer offset values and two-dimensional value pointer offset values;
loading commercial library table data, writing commercial library table data values into paging objects, and writing record number IDs into a hash memory at the same time, so as to establish a real-time library quick indexing mechanism;
setting the version number of the application shared memory, and writing the version number into a version number file.
4. A multi-state, multi-application real-time library system for centralized control of a substation as recited in claim 3, wherein said shared memory pool comprises a container space, a hash space, and a paging space;
the container space stores a record linked list in a one-to-many relation in the memory table;
the hash space stores an index mechanism of a memory table, and comprises a page offset value and a record offset value;
the paging space stores business library table data.
5. The multi-state multi-application real-time library system suitable for centralized control of a transformer substation according to claim 1, wherein the two-dimensional pointer offset value specifically refers to a specific attribute value of a specific record pointed to by a pointer defining the pointer.
6. The polymorphic multi-application real-time library system suitable for centralized control of a transformer substation of claim 1, wherein the rule employs a plug-in dynamic loading mechanism.
7. The multi-state multi-application real-time library system suitable for centralized control of a transformer substation according to claim 1, wherein in the section model loading module, the section model loading method comprises the following steps:
the section model loading tool modifies the names of section application folders, distinguishes the original application folders, and configures new names into the real-time library parameter files;
the section model loading tool writes model loading attributes of machine objects in the real-time library and notifies the real-time library to start section model loading;
creating a new application shared memory object by the real-time library, loading a new section mapping file, and unloading an old section application shared memory by the reference counting intelligent pointer;
and when the process subscribes to the section loading message, receiving a real-time library notification section loading completion.
8. A multi-state multi-application real-time library apparatus suitable for use in a multi-state multi-application real-time library system for centralized control of a substation as claimed in any one of claims 1 to 7, comprising:
the basic configuration module is used for device node configuration, memory capacity configuration and model configuration;
the polymorphic multi-application management module is used for loading polymorphic modes of application combinations in the device;
the rule loading module is used for loading rule plug-ins and realizing measurement custom logic calculation;
the section model loading module is used for on-line loading and subscribing functions of the section model;
and the increment loading module is used for adding, deleting and modifying the records of the memory table in the real-time library.
9. The polymorphic multi-application real-time library apparatus for centralized control of transformer substations of claim 8, wherein the incremental loading module is configured to notify the real-time library of the modification of the loading record of the incremental message via the bus, and periodically access whether the commercial library has an incremental commit record to prevent the receipt of no bus message.
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