CN109116818A - Real time data dump method and device when a kind of SCADA system upgrades - Google Patents
Real time data dump method and device when a kind of SCADA system upgrades Download PDFInfo
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- CN109116818A CN109116818A CN201810898847.4A CN201810898847A CN109116818A CN 109116818 A CN109116818 A CN 109116818A CN 201810898847 A CN201810898847 A CN 201810898847A CN 109116818 A CN109116818 A CN 109116818A
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- 230000008859 change Effects 0.000 claims description 15
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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Abstract
The embodiment of the invention discloses the real time data dump methods and device when a kind of upgrading of SCADA system, this method comprises: establishing SCADA system real time data dump task queue, including the first dump task T1 and the second dump task T2；Real time data, which is acquired, by the first dump task T1 and the second dump task T2 is stored in corresponding buffered data file；It is weighed by the first dump task T1 application acquisition data dump and executes normal data dump；Caused by the first dump task T1 occurs because of program upgrading when failure, breakpoint transmission is carried out by the second dump task T2；When failure or the first dump task T1 have upgraded completion caused by the second dump task T2 occurs because of program upgrading, breakpoint transmission is carried out by the first dump task T1.The example scheme solves data intermittent problem caused by upgrading in SCADA system real time data dump procedure because of program, improves the stability of SCADA system real time data dump.
Description
Technical field
The present embodiments relate to data dump technologies, real time data dump side when espespecially a kind of SCADA system upgrades
Method and device.
Background technique
Field of industrial automation control, it is common to use SCADA (Supervisory Control And Data
The acquisition of Acquisition data is controlled with monitoring) acquisition data and monitoring site running equipment, in-site installation have all kinds of instrument and
Communication apparatus, SCADA system is acquired by communications protocol and obtains data, because of SCADA system itself data with existing store function, because
This can be realized by SCADA system software module and the historical data trend of required monitoring data item checked and analyzed, and because
Upper layer data analysis module need bottom data carry out calculate and analysis obtain the total amounts such as every continuous data, operating index
According to needing to be accessed the data by the real-time dump basic data of SCADA system to relational database by upper application software and counted
Business diagnosis is carried out after calculation.
SCADA system real time data dump running environment generally comprises: SCADA server run SCADA software systems and
Real time data dump program(me), database server operation relevant database, application server run upper layer industrial application software
Deng.
SCADA software systems acquire real time data from field device, and real time data dump program(me) is logical by interface or routine
It interrogates protocol access real-time data base and obtains data, be supplied to the addressable relational database data of upper layer industrial application software.
Currently, the common data dump measure of SCADA system includes:
(1) ADO data processing script
SCADA timing script embeds ADO data processing script, and history library directly is written in real-time SCADA variable data.
ADO (ActiveX Data Objects): a kind of program object, for indicating the data structure in customer data base
With the data for being included, table and inquiry, inspection database or access external data source are created or modified using ADO object.
(2) ODBC data dump component
The mode that ODBC data dump component obtains data is to access internal interface by SCADA producer SDK, will be counted in real time
It is dumped in relational database according to according to certain format timing by ODBC mode.
ODBC (Open Database Connectivity Open Database Connection) is Microsoft's open services architecture
A group in relation to database in (WOSA, Windows Open Services Architecture Windows Open service architecture)
At part, it establishes one group of specification, and provides one group of standard API (application programming interface) to database access.
SDK (Software Development Kit Software Development Tools) is some to be used for by software engineer to be specific
The creation application software such as software package, software frame, hardware platform, operating system developing instrument set, this patent uses
It is the application programming interfaces API that SCADA software vendor provides, SCADA real-time data base is accessed by the interface.
(3) OPC data acquisition and storage software
OPC data acquisition and storage software is disposed, which obtains SCADA real time data by OPC mode, by the software
Simultaneously relational database is written by ODBC mode in timing acquiring real time data.
OPC (the object connection and insertion of OLE for Process Control process control) is public based on Microsoft
Take charge of COM/DCOM (Distributed Component Object Model) technology and DNA (Distributed internet Application distribution
Formula internet application) framework, the specification designed to solve the communication standard between field management layer and process control station,
It provides process management applications and live automatic control system and equipment carries out a kind of standard mechanism of data communication.
However, current SCADA system data dump has the disadvantage in that
(1) ADO data processing script
Because ADO script complexity and maintenance are inconvenient, and operational process will affect SCADA system software operation efficiency,
Using less.
(2) it uses and often occurs in ODBC data dump component or OPC data acquisition and storage software process because of SCADA system
The phenomenon that upgrading leads to loss of data:
SCADA system upgrading may include SCADA system data acquisition project adjustment upgrading, OPC data acquisition and storage
The system upgrades such as software configuration item and software upgrading are needed to restart OPC data acquisition and storage software, be made after the adjustment of configuration project
At loss of data.
In view of the above-mentioned problems, solution common at present is as follows:
By monitoring process, whether abnormal, detection data stops dump, restarting and activation to Traditional solutions
Software function, the pedestrian that goes forward side by side are maintenance and completion data (inquiry SCADA history library data record, artificial polishing).But current
There are still following problems for these solutions:
(1) there is interrupted, polishing heavy workload for a long time in data；
(2) partial data is not complete, and there are deviations for the result for causing timing data to calculate；
(3) data maintenance is at high cost；
(4) it influences upper layer data and calculates and analyze processing application function.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of acquisitions of data and monitoring control SCADA system
System upgrading when real time data dump method and device, be able to solve occur in SCADA system real time data dump procedure because
Data intermittent problem caused by software upgrading is safeguarded avoids fault recovery, the polishing historical data behavior of failure initiation, guarantees
Being sequentially written in for data dump, to improve the stability of SCADA system real time data dump.
In one embodiment of the present of invention, provide:
(1) a kind of SCADA system upgrade when real time data dump method, may include:
Establish SCADA system real time data dump task queue；It is included at least in the real time data dump task queue:
First dump task T1 and the second dump task T2；
Start the first dump task T1 and the second dump task T2, and passes through the first dump task respectively
T1 and the second dump task T2 uninterrupted sampling real time data are stored in corresponding first buffered data file and the second buffering
Data file；
Data dump power is obtained by the first dump task T1 application, and executes normal data dump, it will be described
Real time data is written in the tables of data of preset relationship library；
Caused by the first dump task T1 occurs upgrading because of program during carrying out data dump when failure, by
The second dump task T2 carries out breakpoint transmission according to the real time data stored in the second buffered data file, realizes certainly
Dynamic fault recovery；Failure or the first dump task caused by the second dump task T2 occurs because of program upgrading
When T1 has upgraded completion, by the first dump task T1 according to the real time data stored in the first buffered data file into
Row breakpoint transmission.
In other numerous embodiments of the invention:
(2) the real time data dump method when SCADA system according to (1) upgrades, wherein described to establish SCADA
System real time data dump task queue may include:
Dump task allocation list is set；
The first dump task T1 and the second dump task T2 are configured in the dump task allocation list；
Wherein, the dump task allocation list includes: mission number and acquisition and dump configuration information；Described first turn
The mission number of storage task T1 and the second dump task T2 are different, and the acquisition and dump configuration information are all the same.
(3) the real time data dump method when SCADA system according to (2) upgrades, wherein the acquisition and dump
Configuration information may include one or more of: task names, task type, data acquisition and dump program(me) path, data
Acquisition and dump program(me) title, acquisition tasks number and dump purpose data table name.
(4) the real time data dump method when SCADA system according to (1) upgrades, the method can also include:
After establishing SCADA system real time data dump task queue, the first dump task T1 is set and second dump is appointed
The main and standby relation of business T2；
Wherein, the first dump task T1 is main task, and the second dump task T2 is standby task.
(5) the real time data dump method when SCADA system according to (1) upgrades, wherein the starting described the
One dump task T1 and the second dump task T2 may include:
Be respectively started the acquisition of corresponding with the first dump task T1 the first data and dump program(me) A1, and with institute
State the corresponding second data acquisition of the second dump task T2 and dump program(me) A2；
Simultaneously by first data acquisition and dump program(me) A1 and second data acquisition and dump program(me) A2 access
Operation information is recorded to preset tasks synchronization table Y1.
(6) the real time data dump method when SCADA system according to (5) upgrades, wherein the tasks synchronization table
Y1 may include: task encoding, task status, state change time, data dump time point；
Wherein, the task encoding includes: the second coding M2 for representing the first coding M1 of main task and representing standby task；
The task status includes: operating status X1, malfunction X2, application status X3, resumes state X4 and work shape
State X5.
(7) the real time data dump method when SCADA system according to (6) upgrades, wherein described by described first
Dump task T1 application obtains data dump power, and executes normal data dump, the real time data is written preset
May include: in the tables of data of relationship library
By first data acquisition and dump program(me) A1, first dump in the tasks synchronization table Y1 is set
The task status of task T1 is application status X3, to apply for the data dump power；
After obtaining the data dump power, normal data is executed by first data acquisition and dump program(me) A1 and is turned
Collected real time data is written in the tables of data W1 of preset first relationship library storage task process；And by the tasks synchronization
Task status setting in table Y1 is in working condition X5, updates the data dump time point and the state change time.
(8) the real time data dump method when SCADA system according to (7) upgrades, wherein described to work as described first
When failure caused by upgrading because of program occurs during carrying out data dump in dump task T1, by the second dump task T2
Carrying out breakpoint transmission according to the real time data stored in the second buffered data file includes:
Judge that first dump is appointed by the task status of the tasks synchronization table Y1 by the second dump task T2
The failure of business T1 simultaneously applies obtaining data dump power；
The first dump task T1 is obtained from the data dump time point of the tasks synchronization table Y1 and state change time
The first data breakpoint B1；The first data breakpoint B1 is the cause in first data acquisition and dump program(me) A1 upgrading
The data breakpoint closing the first data acquisition and dump program(me) A1 and generating；
The continuous data queue including the first data breakpoint B1 is extracted from the second buffered data file and is held
Row resumes process, to carry out breakpoint transmission.
(9) the real time data dump method when SCADA system according to (8) upgrades, wherein described to work as described second
When failure or the first dump task T1 have upgraded completion caused by dump task T2 occurs because of program upgrading, by described
First dump task T1 carries out breakpoint transmission according to the real time data stored in the first buffered data file
Judge that second dump is appointed by the task status of the tasks synchronization table Y1 by the first dump task T1
The failure of business T1 simultaneously applies obtaining the data dump power；From the data dump time point and state change of the tasks synchronization table Y1
Time obtains the second data breakpoint B2 of the second dump task T2；The second data breakpoint B2 is in second data
The cause of acquisition and dump program(me) A2 upgrading closes the data breakpoint that the second data acquisition is generated with dump program(me) A2；Or
Person, the first dump task T1 by having upgraded completion actively apply for that obtaining the data dump weighs, and second dump is appointed
Business T2 exits normal data dump task and generates the second data breakpoint B2；
It includes the second data breakpoint B2 that the first dump task T1 is extracted from the first buffered data file
Continuous data queue and execute resume process, to carry out breakpoint transmission.In another embodiment of the invention, provide:
(10) a kind of data acquisition and real time data dump apparatus when monitoring control SCADA system upgrading, comprising: processing
Device and computer readable storage medium are stored with instruction in the computer readable storage medium, wherein when described instruction is by institute
When stating processor and executing, the method for realizing above-mentioned raising SCADA system real time data dump stability.
The embodiment of the present invention includes: establish SCADA system real time data dump task queue；The real time data dump is appointed
It is included at least in business queue: the first dump task T1 and the second dump task T2；Start the first dump task T1 and described
Second dump task T2, and it is real-time by the first dump task T1 and the second dump task T2 uninterrupted sampling respectively
Data are stored in corresponding first buffered data file and the second buffered data file；It is obtained by the first dump task T1 application
It takes data dump to weigh, and executes normal data dump, the real time data is written in the tables of data of preset relationship library；When
When failure caused by upgrading because of program occurs during carrying out data dump in the first dump task T1, by described second turn
Storage task T2 carries out breakpoint transmission according to the real time data stored in the second buffered data file, realizes that automatic fault is extensive
It is multiple；Failure or the first dump task T1 caused by the second dump task T2 occurs because of program upgrading have upgraded
When completion, breakpoint is carried out according to the real time data stored in the first buffered data file by the first dump task T1 and is continued
It passes.By the example scheme, solve caused by upgrading the failure generated because of program in SCADA system real time data dump procedure
Data intermittent problem, realizes that the data for preventing from occurring after data dump process exception are interrupted, avoids the failure that upgrading causes
It can not restore automatically, polishing historical data behavior, ensure that being sequentially written in for data dump, to improve SCADA system reality
When data dump stability.
The other feature and advantage of the embodiment of the present invention will illustrate in the following description, also, partly from explanation
It is become apparent in book, or understand through the implementation of the invention.The objectives and other advantages of the invention can be by illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Detailed description of the invention
Attached drawing is used to provide one for further understanding technical solution of the embodiment of the present invention, and constituting specification
Point, it is used to explain the present invention the technical solution of embodiment together with embodiments herein, does not constitute to the embodiment of the present invention
The limitation of technical solution.
The data acquisition and real time data dump side when monitoring control SCADA system upgrading that Fig. 1 is the embodiment of the present invention
Method flow chart；
Fig. 2 is the SCADA system real time data dump method structural schematic diagram of the embodiment of the present invention；
Fig. 3 is the method flow diagram of starting the first dump task T1 and the second dump task T2 of the embodiment of the present invention；
Fig. 4 is the embodiment of the present invention by the first dump task T1 application acquisition data dump power, and executes normal number
According to the method flow diagram of dump；
Fig. 5 is the embodiment of the present invention when the first dump task T1 occurs upgrading because of program during carrying out data dump
When caused failure, breakpoint transmission is carried out according to the real time data stored in the second buffered data file by the second dump task T2
Method flow diagram；
Fig. 6 is the failure or first caused by the second dump task T2 occurs because of program upgrading of the embodiment of the present invention
When dump task T1 has upgraded completion, by the first dump task T1 according to the real time data stored in the first buffered data file into
The method flow diagram of row breakpoint transmission；
Real time data dump apparatus composition block diagram when Fig. 7 is the SCADA system upgrading of the embodiment of the present invention.
Specific embodiment
Understand in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing pair
The embodiment of the present invention is described in detail.It should be noted that in the absence of conflict, embodiment and reality in the application
The feature applied in example can mutual any combination.
Step shown in the flowchart of the accompanying drawings can be in a computer system such as a set of computer executable instructions
It executes.Also, although logical order is shown in flow charts, and it in some cases, can be to be different from herein suitable
Sequence executes shown or described step.
Embodiment one
A kind of acquisition of data and real time data dump method when monitoring control SCADA system upgrading, institute as shown in Figure 1, Figure 2
Show, may include S101-S104:
S101, SCADA system real time data dump task queue is established；In the real time data dump task queue at least
It include: the first dump task T1 and the second dump task T2；
S102, starting the first dump task T1 and the second dump task T2, and pass through described first turn respectively
Storage task T1 and the second dump task T2 uninterrupted sampling real time data are stored in corresponding first buffered data file and the
Two buffered data files；
S103, data dump power is obtained by the first dump task T1 application, and execute normal data dump, it will
In the real time data write-in preset relationship library tables of data；
S104, the failure caused by the first dump task T1 occurs upgrading because of program during carrying out data dump
When, breakpoint transmission is carried out according to the real time data stored in the second buffered data file by the second dump task T2,
Realize that automatic fault is restored；The failure or first turn described caused by the second dump task T2 occurs because of program upgrading
It is real-time according to being stored in the first buffered data file by the first dump task T1 when storage task T1 has upgraded completion
Data carry out breakpoint transmission.
In embodiments of the present invention, it in order to solve the problems, such as proposed in background technique, establishes SCADA system and counts in real time
According to dump task queue, multiple data acquisitions and dump program(me) are run parallel, software synchronization operating mechanism is established, it is slow to establish data
Mechanism is rushed, on-line operation backup functionality is provided, simultaneously buffered data file is written in data dump task uninterrupted sampling real time data；
Dump task must obtain data dump power before executive dumping task；Data acquisition or when dump exception, realize failure logging and
Redundancy processing, dump task are realized that the automatic fault after data dumper upgrading is restored by breakpoint transmission, larger can be mentioned
The stability of high SCADA system real time data dump.
In embodiments of the present invention, real-time by SCADA system real time data dump task on-line redundance, SCADA system
The business functions such as data dump breakpoint transmission, the present invention are able to solve the business datum breakpoint of data acquisition and dump program(me) upgrading
Problem realizes that business datum restores processing automatically and upgrades effect without breakpoint.
In embodiments of the present invention, SCADA system upgrading can include but is not limited to it is following any one or more:
SCADA system data acquires project adjustment upgrading, OPC data acquisition and storage software configuration item and software upgrading.
Embodiment two
The embodiment on the basis of example 1, gives and establishes SCADA system real time data dump task queue
A kind of specific embodiment.
In embodiments of the present invention, described to establish SCADA system real time data dump task queue and may include:
Dump task allocation list is set；
The first dump task T1 and the second dump task T2 are configured in the dump task allocation list；
Wherein, the dump task allocation list includes: mission number and acquisition and dump configuration information；Described first turn
The mission number of storage task T1 and the second dump task T2 are different, and the acquisition and dump configuration information are all the same.
In embodiments of the present invention, dump task allocation list C2 can be set, configure two in dump task allocation list C2
A dump task is respectively the first dump task T1 and the second dump task T2.First dump task T1 and the second dump task T2
Mission number it is different, acquire identical with dump configuration information.
In embodiments of the present invention, the acquisition and dump configuration information may include one or more of: task name
Title, task type, data acquisition and dump program(me) path, data acquisition and dump program(me) title, acquisition tasks are numbered and are turned
Store up purpose data table name.
In embodiments of the present invention, dump task allocation list C2 may include mission number, task names, task type,
Data acquisition and dump program(me) path, data acquisition and dump program(me) title, acquisition tasks number, dump purpose data table name etc.
It is one or more in item of information.
In embodiments of the present invention, the method can also include: to establish SCADA system real time data dump task team
After column, the main and standby relation of the first dump task T1 and the second dump task T2 are set；Wherein, first dump is appointed
Business T1 is main task (M1), and the second dump task T2 is standby task (M2).
In embodiments of the present invention, in dump task allocation list C2, the task class of the first dump task T1 can be set
Type is main task (M1), and the task type of the second dump task T2 of setting is standby task (M2).
In embodiments of the present invention, it before establishing SCADA system real time data dump task queue, can preset
Acquisition data configuration table C1, to execute continual real-time data acquisition task according to acquisition data configuration table C1.
In embodiments of the present invention, acquiring may include in data configuration table C1 will obtain simultaneously dump from SCADA system
Data item information specifically may include following any one or more information: acquisition tasks number, the input and output I O point of acquisition
Title, data item title, frequency acquisition, value mode etc..
Embodiment three
The embodiment gives starting the first dump task T1 and institute on the basis of embodiment one or embodiment two
State a kind of specific embodiment of the second dump task T2.
In embodiments of the present invention, as shown in figure 3, the starting the first dump task T1 and second dump are appointed
Business T2 may include S201-S202:
S201, the first data acquisition corresponding with the first dump task T1 and dump program(me) A1 is respectively started, with
And the second data corresponding with the second dump task T2 acquire and dump program(me) A2；
S202, it is visited by first data acquisition and dump program(me) A1 and second data acquisition and dump program(me) A2
It asks and records operation information to preset tasks synchronization table Y1.
In embodiments of the present invention, the first data acquisition corresponding with the first dump task T1 can be write in advance
With dump program(me) A1, and the second data corresponding with the second dump task T2 acquisition and dump program(me) A2；Restart
When the first dump task T1 and the second dump task T2, the acquisition of the first data and the number of dump program(me) A1 and second can be respectively started
It is accessed according to acquisition and dump program(me) A2, program A1 and program A2 and records operation information to task synchronous meter Y1, and logger task
Task status in synchronous meter Y1 is X1 (operation) state.
In embodiments of the present invention, the tasks synchronization table Y1 may include: task encoding, task status, state change
Time, data dump time point；
Wherein, the task encoding includes: the second coding M2 for representing the first coding M1 of main task and representing standby task；
The task status includes: operating status X1, malfunction X2, application status X3, resumes state X4 and work shape
State X5.
In embodiments of the present invention, task encoding (or task type coding) illustrates: M1 (master): main task；M2 (standby):
Standby task.That is, referring to that corresponding dump task is main task when M1 is arranged in corresponding task encoding column；It is compiled in corresponding task
When code column setting M2, refer to that corresponding dump task is standby task.
In embodiments of the present invention, which can include but is not limited to alphabetical M1 and M2, can also be using except M1
With any number other than M2, letter, character etc..
In embodiments of the present invention, task status illustrates:
X1 (operation): after software starting, the state is written in the task status item of task synchronous meter Y1；
X2 (failure): there is exception in software dump, and the state is written in the task status item of task synchronous meter Y1；
X3 (application): application executes data dump task, when task status is (non-to resume state and inoperative shape not in dump
State) or renewal time failed (record of such as renewal time less than 60 seconds), then task status can be updated to application status；
X4 (is resumed): executing breakpoint transmission work；
X5 (work): real-time dump work is executed.
In embodiments of the present invention, the representation of the task status can include but is not limited to alphabetical X1-X5, can be with
Using any number in addition to X1-X5, letter, character etc..
In embodiments of the present invention, the implementation of data acquisition and dump task program can choose OPC mode or connect
Mouth method of calling.
Example IV
The embodiment gives respectively on the basis of above-mentioned any embodiment through the first dump task T1 and institute
The second dump task T2 uninterrupted sampling real time data is stated, corresponding first buffered data file and the second buffered data text are stored in
A kind of specific embodiment of part.
In embodiments of the present invention, it can be obtained according to pre-set acquisition data configuration table C1 information from SCADA system
Real time data is taken, after data acquisition and dump program(me) starting, which can execute continual real-time data acquisition task.
In embodiments of the present invention, uninterrupted by the first dump task T1 and the second dump task T2 respectively
Real time data is acquired, being stored in corresponding first buffered data file and the second buffered data file can specifically include: uninterrupted
Execute the collection process K1_1 and write-in buffered data process K3_1 of the first dump task T1；And it uninterruptedly executes the second dump and appoints
The collection process K1_2 and write-in buffered data process K3_2 of business T2.
In embodiments of the present invention, the collection process K1_1 and write-in buffered data of the first dump task T1 are uninterruptedly executed
Process K3_1 may include: that the first data of the first dump task T1 are acquired with dump program(me) A1 according to acquisition data configuration table C1
List executes collection process K1_1, obtains real time data from SCADA real-time database；K3_1 process is executed, by real time data write-in the
One buffered data file F1.
In embodiments of the present invention, the collection process K1_2 and write-in buffered data of the second dump task T2 are uninterruptedly executed
Process K3_2 may include: that the second data of the second dump task T2 are acquired with dump program(me) A2 according to acquisition data configuration table C1
List executes collection process K1_2, obtains real time data from SCADA real-time database；K3_2 process is executed, by real time data write-in the
Two buffered data file F2.
Embodiment five
The embodiment gives the first dump task T1 application and obtains data dump on the basis of above-mentioned any embodiment
A kind of specific embodiment of power.
In embodiments of the present invention, as shown in figure 4, obtaining data dump power by the first dump task T1 application, and
Normal data dump is executed, it may include S301-S302 that the real time data, which is written in the tables of data of preset relationship library:
S301, described first be arranged in the tasks synchronization table Y1 by first data acquisition and dump program(me) A1
The task status of dump task T1 is application status X3, to apply for the data dump power；
S302, after obtaining data dump power, executed by first data acquisition and dump program(me) A1 normal
Collected real time data is written in the tables of data W1 of preset first relationship library data dump task process；And described it will appoint
Task status setting in business synchronous meter Y1 is in working condition X5, when updating the data dump time point and the state change
Between.
In embodiments of the present invention, it can be acquired by the first data and dump program(me) A1 executes data dump power and applied
Journey K2_1, so that the first dump task T1 application labeled as main task obtains data dump power.Specifically, can be passed through
The corresponding task state that the first dump task T1 in tasks synchronization table Y1 is arranged in the acquisition of one data and dump program(me) A1 is the (Shen X3
Please) state, with request for data dump power.
In embodiments of the present invention, data dump power can also be executed by the acquisition of the second data and dump program(me) A2 first
Application process K2_2, so that the second dump task T2 application labeled as secondary task obtains data dump power.It specifically can be with
According to practical application scene self-defining, it is not particularly limited herein.
In embodiments of the present invention, after the first dump task T1 obtains data dump power, normal data dump is executed, it will be real
When data relationship library tables of data is written, can specifically include: the acquisition of the first data of the first dump task T1 and dump program(me) A1
Normal data dump task process K5_1 is executed, collected real time data is written in tables of data W1, in tasks synchronization table Y1
The task status of first dump task T1 is set as X5 (work) state, updates data dump time point and state change time.The
One dump task T1 continues uninterrupted executive dumping task process K5_1.
In embodiments of the present invention, can include but is not limited in tables of data W1 following any one or more: IO is (defeated
Enter output) point code, data item title, value and acquisition time etc.
Embodiment six
The embodiment gives the first dump task T1 and is carrying out data dump process on the basis of embodiment one to five
Caused by middle appearance upgrades because of program when failure, the second dump task T2 carries out a kind of specific embodiment of breakpoint transmission.
In embodiments of the present invention, as shown in figure 5, it is described when the first dump task T1 is carrying out data dump process
Caused by middle appearance upgrades because of program when failure, deposited by the second dump task T2 according in the second buffered data file
It may include S401-S403 that the real time data of storage, which carries out breakpoint transmission:
S401, described first turn is judged by the task status of the tasks synchronization table Y1 by the second dump task T2
The failure of storage task T1 simultaneously applies obtaining data dump power；
S402, first dump times is obtained from the data dump time point of the tasks synchronization table Y1 and state change time
The first data breakpoint B1 of business T1；The first data breakpoint B1 is to upgrade it in first data acquisition and dump program(me) A1
Cause closes the data breakpoint that the first data acquisition is generated with dump program(me) A1；
S403, the continuous data queue including the first data breakpoint B1 is extracted from the second buffered data file
And execute and resume process, to carry out breakpoint transmission.
In embodiments of the present invention, there may be because rising by the first data acquisition of the first dump task T1 and dump program(me) A1
Grade and caused by the first dump task T1 failure, the first data acquisition and dump program(me) A1 upgrading before, can close first number
According to acquisition and dump program(me) A1, the first dump task T1 failure occurs, and forms third data breakpoint B3.
In embodiments of the present invention, the first data acquisition of the first dump task T1 and dump program(me) A1 execute data dump
After task process K5_1 breaks down, the failure logging process K4_1 of the first data acquisition and dump program(me) A1 can be by failure
Data time point is recorded in task failure table Y2, and the recovery status items in task failure table Y2 are labeled as not restoring, tasks synchronization
The corresponding task status of the first dump task T1 is set as X2 (failure) state in table Y1, and updates the state change time.
In embodiments of the present invention, the second dump task T2 carries out breakpoint transmission and realizes failover procedure, specifically can be with
Include:
1, the second dump task T2 judges the first dump task T1 failure and applies obtaining data dump power；That is, second turn
Storage task T2 access tasks synchronization table Y1 judges the first dump task T1 failure, and the second dump task T2 application simultaneously obtains data turn
The corresponding task status of the second dump task T2 is assigned to X3 (application) state in Chu Quan, tasks synchronization table Y1；
2, the data breakpoint of the first dump task T1 is obtained from task status table Y1, is labeled as the first data breakpoint B1；
3, breakpoint transmission is carried out to the first data breakpoint B1, realizes fault recovery；That is, the acquisition of the second data and dump program(me)
A2, which is executed, extracts buffered data process K3_2, and buffered data is extracted from the second buffered data file F2, and obtaining includes the first number
According to breakpoint B 1 continuous data queue and execute resume process K5_2 (this resume process K5_2 be also the second dump task T2 just
Regular data dump task process)；After completing breakpoint transmission, the recovery state for changing preset task failure table Y2 is to have restored,
And update data dump time point and the state change time of the tasks synchronization table Y1.
In embodiments of the present invention, the acquisition of the second data and dump program(me) A2 uninterruptedly execute data dump task process
During K5_2, tables of data W1 is written into collected real time data, the task shape of the second dump task T2 in tasks synchronization table Y1
State is set as X5 (work) state.
In embodiments of the present invention, the recovery state in above-mentioned task failure table Y2 can use different status indicators
It indicates, which can include but is not limited to numerical value 01 and 02, wherein 01 can indicate not restore, and 02 can indicate
Restore；It in other embodiments, can also be using any number in addition to 01 and 02, letter, character etc..
Embodiment seven
The embodiment gives on the basis of embodiment six when drawing because of program upgrading occurs in the second dump task T2
When the failure or the first dump task T1 risen has upgraded completion, the first dump task T1 carries out one kind of breakpoint transmission
Specific embodiment.
In embodiments of the present invention, as shown in fig. 6, it is described when causing because of program upgrading occurs in the second dump task T2
Failure or the first dump task T1 when having upgraded completion, delayed by the first dump task T1 according to described first
Rushing the real time data stored in data file and carrying out breakpoint transmission may include S501-S502:
S501, described second turn is judged by the task status of the tasks synchronization table Y1 by the first dump task T1
The failure of storage task T1 simultaneously applies obtaining the data dump power；From the data dump time point and state of the tasks synchronization table Y1
Transformation period obtains the second data breakpoint B2 of the second dump task T2；The second data breakpoint B2 is described second
The data that the cause of data acquisition and dump program(me) A2 upgrading is closed the second data acquisition and dump program(me) A2 and generated are disconnected
Point；Alternatively, actively apply for that obtaining the data dump weighs by the first dump task T1 for having upgraded completion, described second turn
Storage task T2 exits normal data dump task and generates the second data breakpoint B2；
It includes that second data are disconnected that S502, the first dump task T1 are extracted from the first buffered data file
The continuous data queue and execution of point B2 resumes process, to carry out breakpoint transmission.
In embodiments of the present invention, when the first dump task T1 does not upgrade completion, can continue by described second
Dump task T2 carries out breakpoint transmission；When the first dump task T1 has upgraded completion or the second dump task T2 is opened
When beginning to upgrade, it can apply for the data dump power again by the first dump task T1, and according to first buffer number
Breakpoint transmission is carried out according to the real time data stored in file.
In embodiments of the present invention, during the second dump task T2 carries out breakpoint transmission, the first dump task T1's
After the completion of the acquisition of first data and dump program(me) A1 upgrading, first data that can resume operation acquisition and dump program(me) A1, i.e.,
The first dump task T1 applies for the data dump power again, and the second data for obtaining the second dump task T2 are disconnected
Point B2 executes data dump process K5_1, is based on the second number according to the real time data stored in the first buffered data file
Breakpoint transmission is carried out according to breakpoint B 2；Tables of data W1 is written into collected real time data, the first dump is appointed in tasks synchronization table Y1
The task status of business T1 is set as X5 (work) state, and the first dump task T1 executes uninterrupted dump procedure K5_1.
In embodiments of the present invention, reason is same as above, the second data acquisition of the second dump task T2 and dump program(me) A2
There may be the second dump task T2 failures caused by due to upgrading, before the acquisition of the second data and dump program(me) A2 upgrading,
The acquisition of the second data and dump program(me) A2 can be closed, the second dump task T2 failure occurs, and forms data breakpoint.
In embodiments of the present invention, the second data acquisition of the second dump task T2 and dump program(me) A2 execute normal number
After breaking down according to dump task process K5_2, the failure logging process K4_2 of the second data acquisition and dump program(me) A2 can be with
Fault data time point is recorded in task failure table Y2, the recovery status items in task failure table Y2 are labeled as not restoring, appoint
The corresponding task status of the second dump task T2 is set as X2 (failure) state in business synchronous meter Y1, and when updating state change
Between.
In embodiments of the present invention, for above situation, restoring the normal first dump task T1 can Shen again
Please data dump power, and obtain the data breakpoint of the second dump task T2, execute data dump process K5_1, according to
The real time data stored in the first buffered data file is based on the data breakpoint and carries out breakpoint transmission；It will be collected real-time
Tables of data W1 is written in data, and the task status of the first dump task T1 is set as X5 (work) state in tasks synchronization table Y1, and
And first dump task T1 execute uninterrupted dump procedure K5_1.
Embodiment eight
A kind of acquisition of data and the real time data dump apparatus 1 when monitoring control SCADA system upgrading, as shown in fig. 7, can
To include: processor 11 and computer readable storage medium 12, it is stored with instruction in the computer readable storage medium 12, when
When described instruction is executed by the processor 11, the method for realizing above-mentioned raising SCADA system real time data dump stability.
The embodiment of the present invention includes: establish SCADA system real time data dump task queue；The real time data dump is appointed
It is included at least in business queue: the first dump task T1 and the second dump task T2；Start the first dump task T1 and described
Second dump task T2, and it is real-time by the first dump task T1 and the second dump task T2 uninterrupted sampling respectively
Data are stored in corresponding first buffered data file and the second buffered data file；It is obtained by the first dump task T1 application
It takes data dump to weigh, and executes normal data dump, the real time data is written in the tables of data of preset relationship library；When
When failure caused by upgrading because of program occurs during carrying out data dump in the first dump task T1, by described second turn
Storage task T2 carries out breakpoint transmission according to the real time data stored in the second buffered data file, realizes that automatic fault is extensive
It is multiple；Failure or the first dump task T1 caused by the second dump task T2 occurs because of program upgrading have upgraded
When completion, breakpoint is carried out according to the real time data stored in the first buffered data file by the first dump task T1 and is continued
It passes.By the example scheme, solve to occur in SCADA system real time data dump procedure because of data caused by program upgrading
Intermittent problem, realizes that the data for preventing from occurring after data dump process exception are interrupted, and avoiding failure that upgrading causes can not
Automatic recovery, polishing historical data behavior, ensure that being sequentially written in for data dump, count in real time to improve SCADA system
According to the stability of dump.
The embodiment of the present invention is include at least the following beneficial effects:
1, the data problem that the upgrading of SCADA system data dump program(me) occurs in the embodiment of the present invention can be reduced artificial
Maintenance cost guarantees the reasonability and correctness of upper layer application data；
The embodiment of the present invention can be realized break down after breakpoint data buffering and automatic dump function, for guarantee obtain
The continuous real-time running data of SCADA system plays preferable Data safeguard function, improves the fault-resistant energy entirely applied
Power is reduced the cost of manual maintenance by the self-healing function, can also guarantee the reasonability and correctness of upper layer application data.
2, the embodiment of the present invention is for SCADA system data business integration system, it is often necessary to upgrade dump business function
SCADA system upper layer software (applications), can fast implement upgrading service, play the stable continuous dump function of historical data fine
Energy；
Pass through SCADA system real time data dump task on-line redundance, SCADA system real time data dump breakpoint transmission etc.
Business function, the present invention is able to solve the business datum breakpoint problem of data acquisition and dump program(me) upgrading, database migration, real
Existing business datum restores processing automatically and upgrades effect without breakpoint.
3, by the example scheme, escalation process realizes that data lossless loses for data acquisition and dump program(me) upgrade job:
Data dump task passes through the means of on-line redundance, when closing and upgrading a data acquisition and dump program(me) upgrading, system
Breakpoint can be judged automatically, realizes breakpoint transmission automatically, realizes that data lossless loses.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain groups
Part or all components may be implemented as by processor, such as the software that digital signal processor or microprocessor execute, or by
It is embodied as hardware, or is implemented as integrated circuit, such as specific integrated circuit.Such software can be distributed in computer-readable
On medium, computer-readable medium may include computer storage medium (or non-transitory medium) and communication media (or temporarily
Property medium).As known to a person of ordinary skill in the art, term computer storage medium is included in for storing information (such as
Computer readable instructions, data structure, program module or other data) any method or technique in the volatibility implemented and non-
Volatibility, removable and nonremovable medium.Computer storage medium include but is not limited to RAM, ROM, EEPROM, flash memory or its
His memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic holder, tape, disk storage or other
Magnetic memory apparatus or any other medium that can be used for storing desired information and can be accessed by a computer.This
Outside, known to a person of ordinary skill in the art to be, communication media generally comprises computer readable instructions, data structure, program mould
Other data in the modulated data signal of block or such as carrier wave or other transmission mechanisms etc, and may include any information
Delivery media.
Claims (10)
1. a kind of data acquisition and real time data dump method when monitoring control SCADA system upgrading, comprising:
Establish SCADA system real time data dump task queue；It is included at least in the real time data dump task queue: first
Dump task T1 and the second dump task T2；
Start the first dump task T1 and the second dump task T2, and respectively by the first dump task T1 and
The second dump task T2 uninterrupted sampling real time data is stored in corresponding first buffered data file and the second buffered data
File；
Data dump power is obtained by the first dump task T1 application, and executes normal data dump, it will be described real-time
Data are written in the tables of data of preset relationship library；
Caused by the first dump task T1 occurs upgrading because of program during carrying out data dump when failure, by described
Second dump task T2 carries out breakpoint transmission according to the real time data stored in the second buffered data file, realizes automatic event
Barrier restores；Failure or the first dump task T1 caused by the second dump task T2 occurs because of program upgrading are
When upgrading is completed, broken by the first dump task T1 according to the real time data stored in the first buffered data file
Point resumes.
Real time data dump method when 2. SCADA system according to claim 1 upgrades, which is characterized in that described to build
Standing the dump task queue of SCADA system real time data includes:
Dump task allocation list is set；
The first dump task T1 and the second dump task T2 are configured in the dump task allocation list；
Wherein, the dump task allocation list includes: mission number and acquisition and dump configuration information；First dump is appointed
The mission number of business T1 and the second dump task T2 is different, and the acquisition and dump configuration information are all the same.
Real time data dump method when 3. SCADA system according to claim 2 upgrades, which is characterized in that described to adopt
Collection and dump configuration information include one or more of: task names, task type, data acquisition and dump program(me) path,
Data acquisition and dump program(me) title, acquisition tasks number and dump purpose data table name.
Real time data dump method when 4. SCADA system according to claim 1 upgrades, which is characterized in that the side
Method further include: after establishing SCADA system real time data dump task queue, the first dump task T1 and described the are set
The main and standby relation of two dump task T2；
Wherein, the first dump task T1 is main task, and the second dump task T2 is standby task.
Real time data dump method when 5. SCADA system according to claim 1 upgrades, which is characterized in that described to open
It moves the first dump task T1 and the second dump task T2 includes:
It is respectively started the acquisition of corresponding with the first dump task T1 the first data and dump program(me) A1, and with described the
The corresponding second data acquisition of two dump task T2 and dump program(me) A2；
It accesses and records by first data acquisition and dump program(me) A1 and second data acquisition and dump program(me) A2
Operation information is to preset tasks synchronization table Y1.
Real time data dump method when 6. SCADA system according to claim 5 upgrades, which is characterized in that described
Business synchronous meter Y1 includes: task encoding, task status, state change time, data dump time point；Wherein, the task encoding
It include: the second coding M2 for representing the first coding M1 of main task and representing standby task；The task status includes: operating status
X1, malfunction X2, application status X3, state X4 and working condition X5 are resumed.
7. SCADA system according to claim 6 upgrade when real time data dump method, which is characterized in that it is described by
The first dump task T1 application obtains data dump power, and executes normal data dump, and the real time data is write
Enter in the tables of data of preset relationship library and includes:
By first data acquisition and dump program(me) A1, the first dump task in the tasks synchronization table Y1 is set
The task status of T1 is application status X3, to apply for the data dump power；
After obtaining the data dump power, normal data dump is executed by first data acquisition and dump program(me) A1 and is appointed
Collected real time data is written in the tables of data W1 of preset first relationship library business process；And by the tasks synchronization table Y1
In task status setting be in working condition X5, update the data dump time point and the state change time.
Real time data dump method when 8. SCADA system according to claim 7 upgrades, which is characterized in that described to work as
When failure caused by upgrading because of program occurs during carrying out data dump in the first dump task T1, by described second turn
Storage task T2 carries out breakpoint transmission according to the real time data stored in the second buffered data file
The first dump task T1 is judged by the task status of the tasks synchronization table Y1 by the second dump task T2
Failure and apply obtain data dump power；
The of the first dump task T1 is obtained from the data dump time point of the tasks synchronization table Y1 and state change time
One data breakpoint B1；The first data breakpoint B1 is the cause closing in first data acquisition and dump program(me) A1 upgrading
First data acquisition and dump program(me) A1 and the data breakpoint generated；
The continuous data queue including the first data breakpoint B1 is extracted from the second buffered data file and is executed continuous
It is transmitted through journey, to carry out breakpoint transmission.
Real time data dump method when 9. SCADA system according to claim 8 upgrades, which is characterized in that described to work as
Failure or the first dump task T1 caused by the second dump task T2 occurs because of program upgrading have upgraded completion
When, breakpoint transmission packet is carried out according to the real time data stored in the first buffered data file by the first dump task T1
It includes:
The second dump task T1 is judged by the task status of the tasks synchronization table Y1 by the first dump task T1
Failure and applying obtain the data dump power；Data dump time point and state change time from the tasks synchronization table Y1
Obtain the second data breakpoint B2 of the second dump task T2；The second data breakpoint B2 is acquired in second data
The data breakpoint closing the second data acquisition and dump program(me) A2 with the cause of dump program(me) A2 upgrading and generating；Alternatively,
The first dump task T1 by having upgraded completion actively applies obtaining the data dump power, the second dump task T2
It exits normal data dump task and generates the second data breakpoint B2；
The first dump task T1 extracts the company including the second data breakpoint B2 from the first buffered data file
Continue data queue and execute and resume process, to carry out breakpoint transmission.
10. a kind of acquisition of data and real time data dump apparatus when monitoring control SCADA system upgrading, comprising: processor and
Computer readable storage medium is stored with instruction in the computer readable storage medium, which is characterized in that when described instruction quilt
When the processor executes, real time data dump when SCADA system as described in any one of claims 1-9 upgrading is realized
Method.
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