CN103279555A - Plant information (PI) point automatic maintaining method and device based on business system - Google Patents
Plant information (PI) point automatic maintaining method and device based on business system Download PDFInfo
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Abstract
The invention discloses a plant information (PI) point automatic maintaining method and device based on a business system. The method includes that measuring point information of the business system is collected, a gauging model is built according to a preset measuring point range rule and comprises at least one measuring point and information of a preset number of gauging points and included in each measuring point; a PI point object corresponding to the information of the gauging points is arranged in a PI data base, when the measuring points or the information of the gauging points of the measuring model is updated, a PI point object corresponding to updated information of the gauging points is built in the PI data base; and real-time data of the measuring points is detected according to a preset time period, and real-time data of each measuring point is written into the PI data base. By means of the PI point automatic maintaining method and device, data in the data base has real-time performance, accuracy of information in the data base is guaranteed, data in the data base is complete, and data base quality is greatly improved.
Description
Technical field
The present invention relates to the maintenance technology of data message, particularly relate to PI point automatic maintenance method and device based on operation system.
Background technology
PI(Plant Information System) system is a kind of data integration, application platform of factory.As the bridge that power plant's bottom control network is connected with the tension management information systems internetting, PI is playing the part of special and important role in power plant's information integrated (control integration).On the one hand, PI is used for automatic collection, storage and the supervision of power plant's data.As large-scale integrated data base and historical data base, the data for many years that PI can online each technological process point of storage.It provides clear, accurate operational circumstances picture, the user both can browse the current condition of production of power plant, also can the backward-looking condition of production.We can say, PI for the production run of power plant just as " black box " on the aircraft.On the other hand, PI provides power plant's information of quickness and high efficiency for final client user and Application developer.The application program of PI client can make the user be easy to factory level and production of company level are implemented management, such as improving technology, optimizes operation, trouble-saving maintenance etc.Can safeguard application programs such as monitoring, expert system, LIMS and optimization/modeling by the PI apparatus for establishing.
Along with the progressively propelling of PI system, in metrical information collection and power distribution automation process, produced a large amount of measurement point data, these data are important wealth of electrical network, are the important foundations that realizes the lean management.But, along with constantly increasing newly of measuring apparatus, the information of measuring apparatus collection need be stored in the PI database, therefore the information that adopts the PI point to come storage of collected in the PI database need constantly newly-increased PI dot information, had more than 200 ten thousand at present, this has increased the workload based on the PI point maintenance work of PI database undoubtedly, and, safeguard that the PI dot information all there being certain error aspect accuracy, the integrality, can't satisfy business demand by hand.Being the hard to carry on of PI point maintenance workload on the one hand, is the loss of learning in the database on the other hand, causes the continuous decline of the quality of data.At last, other upper level applications based on the notebook data storehouse all can not set up.
Summary of the invention
Based on this, be necessary at the problems referred to above, a kind of PI point automatic maintenance method and device based on operation system is provided, can improve the reliability of data message, strengthen the database quality.
A kind of PI point automatic maintenance method based on operation system comprises:
The stoichiometric point information of capturing service system is set up according to default measuring point ambit rule and to be measured model, and described measurement model comprises at least one stoichiometric point, and default several gauge point information of comprising of each stoichiometric point;
The PI point object corresponding with described gauge point information is set in the PI database, when the stoichiometric point of described measurement model or gauge point information updating, the establishment PI point object corresponding with the measuring point information of renewal in described PI database;
Detect the real time data of stoichiometric point according to preset time period, and the real time data of each stoichiometric point is write described PI database.
Correspondingly, a kind of PI point automatic maintaining device based on operation system comprises:
The model construction unit is used for the stoichiometric point information of capturing service system, sets up according to default measuring point ambit rule and measures model, and described measurement model comprises at least one stoichiometric point, and default several gauge point information of comprising of each stoichiometric point;
PI point construction unit, be used in the PI database, arranging the PI point object corresponding with described gauge point information, when the stoichiometric point of described measurement model or gauge point information updating, in described PI database, create the PI point object corresponding with the measuring point information of renewal;
The Data Detection unit is used for the real time data according to preset time period detection stoichiometric point, and the real time data of each stoichiometric point is write described PI database.
The present invention has following beneficial effect:
The stoichiometric point information of the present invention by disperseing from each operation system collection is set up one according to default measuring point ambit rule and is overlapped the measurement model of realistic application demand.In addition, according to the gauge point information of described measurement model, corresponding PI point object is set in the PI database, so the PI database can be related with each operation system foundation, collects required PI point object from relatively independent miscellaneous service system.At last, periodically receiving real-time data makes the data in each PI point object possess real-time, thereby the information that guarantees the PI database that employing the present invention safeguards is accurate, guaranteed that according to the PI point object that measures model foundation the PI data of database is complete, strengthened the database quality greatly.
Description of drawings
Fig. 1 is the process flow diagram that the present invention is based on the PI point automatic maintenance method of operation system;
Fig. 2 is the first embodiment process flow diagram that the present invention is based on the PI point automatic maintenance method of operation system;
Fig. 3 is the second embodiment process flow diagram that the present invention is based on the PI point automatic maintenance method of operation system;
Fig. 4 is the synoptic diagram that the present invention is based on the PI point automatic maintaining device of operation system;
Fig. 5 is the first embodiment synoptic diagram that the present invention is based on the PI point automatic maintaining device of operation system;
Fig. 6 is the second embodiment synoptic diagram that the present invention is based on the PI point automatic maintaining device of operation system.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the process flow diagram that the present invention is based on the PI point automatic maintenance method of operation system, comprising:
S101: the stoichiometric point information of capturing service system, to set up according to default measuring point ambit rule and to measure model, described measurement model comprises at least one stoichiometric point, and default several gauge point information of comprising of each stoichiometric point;
S102: the PI point object corresponding with described gauge point information is set in the PI database, when the stoichiometric point of described measurement model or gauge point information updating, the establishment PI point object corresponding with the measuring point information of renewal in described PI database;
S103: detect the real time data of stoichiometric point according to preset time period, and the real time data of each stoichiometric point is write described PI database.
The present invention proposes a kind of PI point automatic maintenance method based on operation system, detect by the model to operation system, set up the measurement model according to default measuring point ambit rule, according to the stoichiometric point least model, in the PI database, create the PI point of this stoichiometric point correspondence for newly-increased stoichiometric point.This has realized the process created automatically according to the PI database of operation system, simultaneously, is not simply to be the data carryings, but the gauge point information of gathering selectively according to minimum measuring point ambit rule.
Because at present the stoichiometric point information dispersion is joined in metering automation system, battalion within the miscellaneous service system such as integral system, and these operation systems are relatively independent, this brings loaded down with trivial details work for maintenance of information of stoichiometric point.Being the hard to carry on of PI point maintenance workload on the one hand, is the loss of learning in the database on the other hand, causes the continuous decline of the quality of data.At last, other upper level applications based on the notebook data storehouse all can not set up.
The stoichiometric point information of the present invention by disperseing from each operation system collection is set up one according to default measuring point ambit rule and is overlapped the measurement model of realistic application demand.In addition, according to the gauge point information of described measurement model, corresponding PI point object is set in the PI database, so the PI database can be related with each operation system foundation, collects required PI point object from relatively independent miscellaneous service system.When the stoichiometric point of described measurement model or gauge point information updating, in described PI database, create the PI point object corresponding with the measuring point information of renewal.Only need to upgrade measuring model, the PI database can upgrade automatically.Avoided the inconsistency of data.At last, periodically receiving real-time data makes the data in each PI point object possess real-time, thereby the information that guarantees the PI database that employing the present invention safeguards is accurate, guaranteed that according to the PI point object that measures model foundation the PI data of database is complete, strengthened the database quality greatly.
In addition, the present invention can guarantee that also the PI dot information keeps consistency with measuring model in the PI database, avoids because the data that consistency problem causes can't be inserted problem, thereby has guaranteed real-time and the reliability of PI database.And the present invention has realized automatic maintenance to the PI database, need not safeguard by hand, reduces business personnel's workload.
Fig. 2 is the first embodiment process flow diagram that the present invention is based on the PI point automatic maintenance method of operation system.Compared to Figure 1, the embodiment of Fig. 2 upgrades by the model middle database and measures model, guarantees the gauge point information integrity in the PI database.
S201: the stoichiometric point information of operation system is stored in the model middle database, and described operation system comprises seeks at least one of joining in data center systems, metering automation system, the SCADA system;
S202: the stoichiometric point information in the more current model middle database and the stoichiometric point information of upgrading in the preceding model middle database, obtain newly-increased stoichiometric point;
S203: the measuring point ambit rule according to default, described newly-increased stoichiometric point is inserted described measurement model, create default several gauge point information that this stoichiometric point comprises;
S204: set up according to default measuring point ambit rule and to measure model, described measurement model comprises at least one stoichiometric point, and default several gauge point information of comprising of each stoichiometric point;
S205: the PI point object corresponding with described gauge point information is set in the PI database;
S206: detect the real time data of stoichiometric point according to preset time period, and the real time data of each stoichiometric point is write described PI database;
S207: when disappearance when writing the corresponding PI point of data object, the unusual condition of said write data is recorded in the daily record;
S208: in described PI database, create unusual PI point object, be used for preserving the data that write of the corresponding PI point object of disappearance.
Battalion join data center mainly deposit distribution account, user, table counting according to etc.; Stoichiometric point data etc. are mainly deposited by the metering automation system; Marketing system is mainly deposited user, table meter growth data etc.; Data such as major network account are mainly deposited by the Scada system.The model data that is dispersed in each system is stored in the model middle database, and the method by incremental update is sent to model data in the model database, obtains the whole network model information.
In order to upgrade the stoichiometric point information that is dispersed in each operation system synchronously, the measurement model that keeps the present invention to set up is in last state, the stoichiometric point information of battalion being joined operation systems such as data center systems, metering automation system, SCADA system is stored in the model middle database, stoichiometric point information in the more current model middle database and the stoichiometric point information of upgrading in the preceding model middle database are obtained newly-increased stoichiometric point.By described model middle database measurement model of the present invention is upgraded, only need find newly-increased stoichiometric point, need not to substitute totally again, updating efficiency is improved.
In addition, the measuring point ambit rule according to default inserts described measurement model with described newly-increased stoichiometric point, creates default several gauge point information that this stoichiometric point comprises.Realized the automatic training of PI database, it is according to newly-increased stoichiometric point, and according to should the newly-increased the most basic gauge point information of stoichiometric point carrying out that the measuring point ambit rule obtains.Thereby guaranteed PI data of database integrality, the information accuracy of having trained.
The PI point object corresponding with described gauge point information is set in the PI database, when the stoichiometric point of described measurement model or gauge point information updating, the establishment PI point object corresponding with the measuring point information of renewal in described PI database.In order to keep the consistance of data, PI database of the present invention arranges according to measuring model.The PI database can be according to described measurement model, upgrades automatically or creates newly-increased stoichiometric point information.For the measuring point ambit rule of newly-increased stoichiometric point information according to minimum, in measuring model, add the gauge point information of stoichiometric point correspondence.The PI point that measures the gauge point information of same PI database in the model is one-one relationship.Minimum measuring point scope can be different according to the type difference of stoichiometric point, the invention provides minimum gauge point ambit rule.
According to the gauge point information of newly-increased stoichiometric point correspondence, call and build PI point program automatically, the corresponding PI point of stoichiometric point is inserted in the PI database, realize the automatic establishment function that PI is ordered.Automatically set up PI point program and realize functions such as transaction management, exception management, log management, guarantee the security of program.
Detect the real time data of stoichiometric point according to preset time period, and the real time data of each stoichiometric point is write described PI database.For example, gather real time data by the metering automation main website, real time data can be inserted in the PI database synchronously, if there is not the gauge point information of collection in the PI database, namely lack when writing the corresponding PI point of data object, miscue can occur when then data are inserted, unusual conditions such as the PI point of will being correlated with insertion exception error information are recorded in the daily record.In described PI database, create unusual PI point object, be used for preserving the data that write of the corresponding PI point object of disappearance.
Fig. 3 is the second embodiment process flow diagram that the present invention is based on the PI point automatic maintenance method of operation system.Compare with Fig. 1 or 2, the embodiment of Fig. 3 has realized self check and the deletion that invalid PI is ordered, and has reduced the redundant information of PI database, and the quality of data is provided.
S301: the stoichiometric point information of capturing service system, to set up according to default measuring point ambit rule and to measure model, described measurement model comprises at least one stoichiometric point, and default several gauge point information of comprising of each stoichiometric point;
S302: the PI point object corresponding with described gauge point information is set in the PI database, when the stoichiometric point of described measurement model or gauge point information updating, the establishment PI point object corresponding with the measuring point information of renewal in described PI database;
S303: detect the real time data of stoichiometric point according to preset time period, and the real time data of each stoichiometric point is write described PI database;
S304: in default period, the PI point object of data disappearance compiles, and obtains invalid PI dot information table;
S305: delete PI point object selected on the described invalid PI dot information table.
Along with the continuous increase of PI database PI number of spots, in the PI database some PI points for a long time need not or redundant PI point, increased the burden of PI database so undoubtedly, so the removing work that need be correlated with for these PI points.The present invention carries out integrality scanning to the PI database, does not have the PI point of data to clear up for surpassing certain hour, deletes obsolete PI point automatically, realizes the automatic maintenance mechanism that PI is ordered.
As previously mentioned, the present invention comprises the insertion of newly-increased stoichiometric point information to the training of PI database, the record that unusual PI is ordered.Also comprise the Null Spot in the PI database is carried out early warning and deletion.In default period, record PI point data disappearance information.Regularly PI point data disappearance information is carried out statistical study, processing rule according to PI point data disappearance, PI point to missing data carries out early warning, according to the early warning rule, the PI point of missing data always is considered as invalid PI point, invalid PI point is carried out PI point deletion program, automatically invalid PI point is removed from database.PI point missing data is carried out Macro or mass analysis, business rule according to business department, Macro or mass analysis goes out invalid PI dot information from data disappearance record, chooses invalid PI point and carries out the automatic delete program of PI point, realizes that the PI database is to the automatic delete function of redundant information.
To sum up, the present invention will safeguard automatically to the point of the PI in the PI database, realize the intelligence training of PI database, wherein, comprise newly-increased some establishment that PI orders, abnormity point record, Null Spot deletion etc.Detect by regularly the PI database being carried out data integrity, according to business model with the PI database for relation, obtain the PI point data information that lacks in the PI database, by the analysis to disappearance information, draw the information that invalid PI is ordered, invalid PI point is called the automatic delete program of PI point carry out automatic delete function.Guarantee the automatism that the PI point is safeguarded, do not need manually to participate in simultaneously, can significantly reduce business personnel's workload, improve the real-time that the PI point is safeguarded simultaneously, strengthened accuracy, the integrality of PI database.
Fig. 4 is the synoptic diagram that the present invention is based on the PI point automatic maintaining device of operation system, comprising:
The model construction unit is used for the stoichiometric point information of capturing service system, sets up according to default measuring point ambit rule and measures model, and described measurement model comprises at least one stoichiometric point, and default several gauge point information of comprising of each stoichiometric point;
PI point construction unit, be used in the PI database, arranging the PI point object corresponding with described gauge point information, when the stoichiometric point of described measurement model or gauge point information updating, in described PI database, create the PI point object corresponding with the measuring point information of renewal;
The Data Detection unit is used for the real time data according to preset time period detection stoichiometric point, and the real time data of each stoichiometric point is write described PI database.
Fig. 4 is corresponding with Fig. 1, identical among the figure in the method for operation of each unit and the method.
Fig. 5 is the first embodiment synoptic diagram that the present invention is based on the PI point automatic maintaining device of operation system.
As shown in Figure 5, described model construction unit comprises:
The updated stored unit is used for the stoichiometric point information of operation system is stored in the model middle database, and described operation system comprises seeks at least one of joining in data center systems, metering automation system, the SCADA system;
Upgrade detecting unit, the stoichiometric point information in the model middle database before being used for the interior stoichiometric point information of more current model middle database and upgrading is obtained newly-increased stoichiometric point;
The model modification unit is used for according to default measuring point ambit rule described newly-increased stoichiometric point being inserted described measurement model, creates default several gauge point information that this stoichiometric point comprises.
As shown in Figure 5, described Data Detection unit comprises:
The exception record unit is used in disappearance when writing the corresponding PI point of data object, and the unusual condition of said write data is recorded in the daily record;
The abnormity point storage unit is used for creating unusual PI point object in described PI database, is used for preserving the data that write of the corresponding PI point object of disappearance.
Fig. 5 is corresponding with Fig. 2, identical among the figure in the method for operation of each unit and the method.
Fig. 6 is the second embodiment synoptic diagram that the present invention is based on the PI point automatic maintaining device of operation system.
In the middle of embodiment, described Data Detection unit also comprises therein:
The Null Spot output unit is used in default period, and the PI point object of data disappearance compiles, and obtains invalid PI dot information table;
The Null Spot delete cells is used for selected PI point object on the described invalid PI dot information table of deletion.
Fig. 6 is corresponding with Fig. 3, identical among the figure in the method for operation of each unit and the method.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. the PI point automatic maintenance method based on operation system is characterized in that, comprising:
The stoichiometric point information of capturing service system is set up according to default measuring point ambit rule and to be measured model, and described measurement model comprises at least one stoichiometric point, and default several gauge point information of comprising of each stoichiometric point;
The PI point object corresponding with described gauge point information is set in the PI database, when the stoichiometric point of described measurement model or gauge point information updating, the establishment PI point object corresponding with the measuring point information of renewal in described PI database;
Detect the real time data of stoichiometric point according to preset time period, and the real time data of each stoichiometric point is write described PI database.
2. the PI point automatic maintenance method based on operation system according to claim 1 is characterized in that the step of the stoichiometric point information of capturing service system comprises:
The stoichiometric point information of operation system is stored in the model middle database, and described operation system comprises seeks at least one of joining in data center systems, metering automation system, the SCADA system;
Stoichiometric point information in the more current model middle database and the stoichiometric point information of upgrading in the preceding model middle database are obtained newly-increased stoichiometric point;
Measuring point ambit rule according to default inserts described measurement model with described newly-increased stoichiometric point, creates default several gauge point information that this stoichiometric point comprises.
3. the PI point automatic maintenance method based on operation system according to claim 2 is characterized in that, the real time data of each stoichiometric point is write the step of described PI database, comprising:
When disappearance when writing the corresponding PI point of data object, the unusual condition of said write data is recorded in the daily record;
In described PI database, create unusual PI point object, be used for preserving the data that write of the corresponding PI point object of disappearance.
4. according to each described PI point automatic maintenance method based on operation system of claim 1 to 3, it is characterized in that, the real time data of each stoichiometric point write the step of described PI database, also comprise:
In default period, the PI point object of data disappearance compiles, and obtains invalid PI dot information table;
Delete PI point object selected on the described invalid PI dot information table.
5. the PI point automatic maintaining device based on operation system is characterized in that, comprising:
The model construction unit is used for the stoichiometric point information of capturing service system, sets up according to default measuring point ambit rule and measures model, and described measurement model comprises at least one stoichiometric point, and default several gauge point information of comprising of each stoichiometric point;
PI point construction unit, be used in the PI database, arranging the PI point object corresponding with described gauge point information, when the stoichiometric point of described measurement model or gauge point information updating, in described PI database, create the PI point object corresponding with the measuring point information of renewal;
The Data Detection unit is used for the real time data according to preset time period detection stoichiometric point, and the real time data of each stoichiometric point is write described PI database.
6. the PI point automatic maintaining device based on operation system according to claim 5 is characterized in that described model construction unit comprises:
The updated stored unit is used for the stoichiometric point information of operation system is stored in the model middle database, and described operation system comprises seeks at least one of joining in data center systems, metering automation system, the SCADA system;
Upgrade detecting unit, the stoichiometric point information in the model middle database before being used for the interior stoichiometric point information of more current model middle database and upgrading is obtained newly-increased stoichiometric point;
The model modification unit is used for according to default measuring point ambit rule described newly-increased stoichiometric point being inserted described measurement model, creates default several gauge point information that this stoichiometric point comprises.
7. the PI point automatic maintenance method based on operation system according to claim 6 is characterized in that described Data Detection unit comprises:
The exception record unit is used in disappearance when writing the corresponding PI point of data object, and the unusual condition of said write data is recorded in the daily record;
The abnormity point storage unit is used for creating unusual PI point object in described PI database, is used for preserving the data that write of the corresponding PI point object of disappearance.
8. according to each described PI point automatic maintenance method based on operation system of claim 5 to 7, it is characterized in that described Data Detection unit also comprises:
The Null Spot output unit is used in default period, and the PI point object of data disappearance compiles, and obtains invalid PI dot information table;
The Null Spot delete cells is used for selected PI point object on the described invalid PI dot information table of deletion.
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| CN103279555B (en) | 2017-07-11 |
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