CN107659629A - A kind of efficient electrical power archives synchronous method suitable for power information acquisition system - Google Patents
A kind of efficient electrical power archives synchronous method suitable for power information acquisition system Download PDFInfo
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- CN107659629A CN107659629A CN201710852041.7A CN201710852041A CN107659629A CN 107659629 A CN107659629 A CN 107659629A CN 201710852041 A CN201710852041 A CN 201710852041A CN 107659629 A CN107659629 A CN 107659629A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
The present invention provides a kind of efficient electrical power archives synchronous method suitable for power information acquisition system, comprises the following steps：Main website is ranked up to its electric energy meter archive information according to table address size respectively with terminal, and terminal-pair its sort electric energy meter archives be grouped；The check value that electric energy meter address computation of the terminal based on each packet is respectively grouped；Terminal will verify value set C and report main website, and main website determines whether upload information is completely correct, obtains main website terminal file difference set X and archives indifference set R according to check bit；Main website issues electric energy meter archive information and indifference set R in difference set X, and terminal is synchronous with main website archives according to information realization is issued.The technique effect of the present invention：Greatly reduce main website and synchronously issue data volume to end side archives, the significant increase synchronous efficiency of archives, help to improve the Consumer's Experience of power information acquisition system.
Description
Technical field
The present invention relates to a kind of efficient electrical power archives synchronous method suitable for power information acquisition system.
Background technology
In recent years, as the further genralrlization of national smart grid building-up work, power information acquisition system obtain
It is widely applied and achieves preferable effect.But system still has the problem of collection success rate is not high enough, less efficient,
The limitation of this existing communication technology in itself has the constraint of system administration aspect again.Wherein taiwan area archives confusion be still influence collection into
One key factor of power, and it has an effect on the automatic index such as rate and line loss qualification rate of entering an item of expenditure in the accounts.Current power taiwan area archives
Management and safeguard mostly to exist and need the archives between not mature enough manual intervention, Related Supporting Technologies, main website and terminal synchronous
The problems such as less efficient.
The synchronous main content for including the following aspects of power information acquisition system archives：Main website archives are synchronous, terminal
Archives synchronization and electric energy meter archives are synchronous.Carried out in marketing system after corresponding archives change, it is necessary to be initiated in marketing system
Flow is debugged, after acquisition system main website receives debugging work order, associated profiles can be adjusted correspondingly according to work order content；
On the other hand, main website can realize accurate File Maintenance and renewal further combined with terminal active reporting information.Present terminal shelves
Case is synchronous typically with the following method：Main website and terminal calculate the MD5 values of both archive informations respectively, and then terminal is by its MD5
Value reports；Main website confirms that terminal reports MD5 values and its own archive information MD5 values whether consistent, if unanimously, not to terminal
Archives renewal is carried out, whole updating otherwise is carried out to terminal file information.Electric energy meter archives come from the archives that terminal issues, separately
Its outer synchronous basic principle is that it first confirms that whether itself archive information is abnormal, if there is abnormal then reporting terminal, otherwise
Do not process.Electric energy meter judges the host node address that main website is belonged to by acquisition tasks, and compares the identification of taiwan area identification technology
Host node address it is whether consistent, think if inconsistent itself taiwan area Archiveownership exception and do it is abnormal report, main website according to
Exception reports and can decide whether to need to carry out archives renewal, and realization and concentrator based on this with reference to marketing system archives
Archives it is synchronous, and then realize the synchronization of electric energy meter archives.
It can be seen that archives are synchronously the keys for influenceing electric power information collection system archives synchronous efficiency between main website and concentrator
Factor.
The content of the invention
The present invention in view of the above-mentioned problems, with reference to power information acquisition system archives own characteristic, propose a kind of efficient
Electric power file synchronization scenario, by the improvement of algorithm, greatly reduce main website and synchronously issue data volume to end side archives, greatly
The synchronous efficiency of archives is improved, helps to improve the Consumer's Experience of power information acquisition system.
Technical scheme：A kind of efficient electrical power archives synchronous method suitable for power information acquisition system, bag
Include following steps：
Main website is ranked up to its electric energy meter archive information according to table address size respectively with terminal, respectively obtains main website side
Ascending order set M1, end side ascending order set M2；And its electric energy meter archives that sort of terminal-pair are grouped, and packet scale N takes even number
And size is reasonably chosen according to the scale of taiwan area；
The check value that electric energy meter address computation of the terminal based on each packet is respectively grouped：First by the N number of of each packet
Location step-by-step XOR obtains the full information summary I of this packetbit_i, due to the affiliated electric energy table address high byte basic one of same terminal
Cause, the I that full information is made a summarybit_iHigh byte 00H is deleted, and can obtain compressing full information summary Ibit_i_com；Then its supervision is calculated
Position Cbit_i, that is, obtain each packet checks value Ci, the check value set expression of all packets is C；
Terminal will verify value set C and report main website, and main website determines whether upload information is completely correct according to check bit, if
It is no, then the packet index of error of transmission is recorded, and require that terminal uploads the check value of corresponding packet again；If so, then according to it
Archives ranking results obtain the compression full information summary I for being grouped and calculating packetbit_temp_com；And with being obtained based on verification value set C
To terminal side compression full information summary set B contrasted；So as to obtain main website-terminal file difference set X and archives
Indifference set R；
Main website issues electric energy meter archive information and indifference set R in difference set X, and terminal is according to issuing information realization
It is synchronous with main website archives.
If M2Middle electric energy meter number can not be evenly divisible by N, i.e., when last organizes insufficient N number of address, address space left high byte
Replaced for the address that this TV station regional address high byte low byte is full 0, ensure that packet completes each packet afterwards and contains N number of data.
The check bit Cbit_iWith each packet checks value CiComputational methods be that obtained compression full information is made a summary
Ibit_i_comCRC-16 check codes are carried out, obtain check bit Cbit_i；Check bit Cbit_iIt is attached to compression full information summary
Ibit_i_comAfterwards, check value C is obtainedi。
The technique effect of the present invention：Archives synchronizing process only issues difference table information and set R.Compare archives whole
Delivery method, this scheme greatly reduces the archives amount of issuing, and main website and terminal file difference are smaller, and set N is also just smaller, this
The advantage of scheme is also more obvious；And set R only includes grouping serial number, the information content for now transmitting non-difference set is also minimum；Separately
On the one hand, when calculating check value, same taiwan area electric energy meter address high byte identical characteristic is taken full advantage of, check value is carried out
Compression, reduce further upload data volume, improves efficiency.Result of field running shows that carrying archives synchronous method has
Greater efficiency, and implementation complexity is relatively low, has preferable practical application and promotional value.
Brief description of the drawings
Fig. 1 carries the sequencer procedure based on table number for the present invention；
Fig. 2 puies forward the contrast flow based on compression full information summary for the present invention；
Fig. 3 is carried archives by the present invention and synchronously issues flow.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to accompanying drawing of the embodiment of the present invention,
Further clear, complete description is done to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is the present invention
One kind of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, belongs to the scope of protection of the invention.
Whole archives are ranked up by the first step, terminal with main website according to table address size.In power information acquisition system,
The address of terminal and electric energy meter is the compressed code that length is 6 bytes, and terminal and main website will be based on quick sorting algorithm and complete
The ascending order arrangement of both archive informations, obtains main website side ascending order set M1, end side ascending order set M2.After sequence is completed, terminal
Side archives carry out piecemeal (N takes even number and N can optimize according to taiwan area size) by size N, i.e., per the division of N block electric energy table address
For one group, it is assumed that be divided into n groups altogether, represent as follows：
Because same taiwan area electric energy meter address high byte is consistent, if M2Middle electric energy meter number can not be evenly divisible by N, i.e., n-th group is not
During the N number of address of foot, address space left is that the address that this TV station regional address high byte low byte is full 0 replaces with high byte, ensures packet
Each packet contains N number of data after completing.As shown in Figure 1.
Second step, end side archives are grouped and calculate packet checks value.After packet is completed, end side calculates M2Each point
The check value of group, ultimately form terminal file verification value set
C={ c1,c2,L,cn}.
Check value ciThe calculating of (1≤i≤n) is divided into two steps：
(1) N number of address step-by-step XOR obtains the full information summary I of this packet in each packetbit_i(48bit).Due to same
The affiliated electric energy table address high byte of one terminal is basically identical, then the I that full information can be made a summarybit_iThe 00H of high byte is deleted, so as to
Obtain compressing full information summary Ibit_i_com(40bit)。
(2) I obtained to upper stepbit_i_comCRC-16 check codes are carried out, obtain check bit Cbit_i；Check bit is attached to
After compressing full information summary, 56bit check value c of the result as this packet is obtainedi。
3rd step, the check value that main website is sent using end side carry out archives contrast, determine archives difference set.It can be divided into
The following steps：
(1) terminal sends C and packet size N to main website.Main website is carried out solving parsing and judged based on check bit each to C
ciWhether transmit correctly, if each ciAll transmission is correct, then removing check bit successively can obtain compressing full information summary set B
={ Ibit_1_com,Ibit_2_com,L,Ibit_n_comAnd entrance step (2)；Otherwise the packet numbering of check errors is recorded, and to end
Side sends repeat request, it is desirable to is retransmitted the grouping information of error of transmission；Until receive correct.
(2) main website is to itself archive information ordered set M1Computing is carried out, and operation result and terminal file are compressed entirely
Informative abstract set B is compared, and process is as follows：
1. take M1The { 1,2 ..., N } altogether N number of power meter group into archives set Dtemp, and calculated according to second step check value
The XOR that step (1) calculates N number of address is worth to this I being groupedbit_temp_com。
2. by Ibit_temp_comContrasted with element in set B, as shown in Figure 2.
If
Ibit_temp_com∈ B, that is, i be present and cause Ibit_temp_com=Ibit_i_com
Then illustrate M1{ 1,2 ..., N } block table be already present in terminal file, record packet index value i now
To indifference set R；And shifting N obtains new electric energy meter packet after being grouped electric energy meter sequence number, that is, takes M1{ (N+1), (N
... ,+2) 2N } individual power meter group is into new archive set DtempAnd calculate new Ibit_temp_com(only need afterwards with B
Ibit_i+1_comAnd its value contrast afterwards).
If
Then record DtempThe 1st electric energy meter to difference set X；And obtain new electricity by moving 1 after packet electric energy meter sequence number
Energy table packet, that is, take M1{ 2,3 .., (N+1) } individual power meter group into new archive set DtempAnd calculate new Ibit_temp_com
(I corresponding with maximum maxR in R is needed afterwardsbit_maxR_comValue contrast afterwards).
3. by that analogy, repeat step is 2. until M1In electric energy meter be all fetched into.
4th step, by above-mentioned steps, electric energy meter indifference set R and difference set X are obtained, need not if X is sky
It is synchronous；If X is not sky, main website need to only issue in X set index value in corresponding electric energy meter archives and R.End side parsing master
Station issues archives renewal message, and according to information in non-difference set R, the reservation to same files information block and difference can be achieved
The deletion of archive information packet；According to information in difference set X, the renewal of difference file can be achieved, as shown in Figure 3.
Archives synchronizing process only issues difference table information and set R it can be seen from synchronizing process.The archives that compare are complete
Subordinate's forwarding method, this scheme greatly reduces the archives amount of issuing, and main website and terminal file difference are smaller, and set X is also just smaller,
The advantage of this scheme is also more obvious；And set R only includes grouping serial number, the information content for now transmitting non-difference set is also minimum；
On the other hand, when calculating check value, same taiwan area electric energy meter address high byte identical characteristic is taken full advantage of, check value is carried out
Compression, reduce further upload data volume, improves efficiency.Result of field running shows, carries archives synchronous method tool
There is greater efficiency, and implementation complexity is relatively low, has preferable practical application and promotional value.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to the limitation to the application is interpreted as, one of ordinary skill in the art within the scope of application can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (3)
1. a kind of efficient electrical power archives synchronous method suitable for power information acquisition system, it is characterised in that including following step
Suddenly：
Main website is ranked up to its electric energy meter archive information according to table address size respectively with terminal, respectively obtains main website side ascending order
Set M1, end side ascending order set M2；And its electric energy meter archives that sort of terminal-pair are grouped, packet scale N takes even number and big
The small scale according to taiwan area is reasonably chosen；
The check value that electric energy meter address computation of the terminal based on each packet is respectively grouped：N number of address of each packet is pressed first
Position XOR obtains the full information summary I of this packetbit_i, will because the affiliated electric energy table address high byte of same terminal is basically identical
The I of full information summarybit_iHigh byte 00H is deleted, and can obtain compressing full information summary Ibit_i_com；Then its check bit is calculated
Cbit_i, that is, obtain each packet checks value Ci, the check value set expression of all packets is C；
Terminal will verify value set C and report main website, and main website determines whether upload information is completely correct according to check bit, if it is not, then
The packet index of error of transmission is recorded, and requires that terminal uploads the check value of corresponding packet again；If so, then arranged according to its archives
Sequence result obtains the compression full information summary I for being grouped and calculating packetbit_temp_com；And the end with being obtained based on verification value set C
Side compression full information summary set B is contrasted；So as to obtain main website-terminal file difference set X and archives indifference
Set R；
Main website issues electric energy meter archive information and indifference set R in difference set X, and terminal is according to issuing information realization and master
Stand the synchronizations of archives.
2. a kind of efficient electrical power archives synchronous method suitable for power information acquisition system according to claim 1, its
It is characterised by,
If M2Middle electric energy meter number can not be evenly divisible by N, i.e., when last organizes insufficient N number of address, address space left is this TV station with high byte
Regional address high byte low byte replaces for the address of full 0, ensures that each packet contains N number of data after being grouped completion.
3. a kind of efficient electrical power archives synchronous method suitable for power information acquisition system according to claim 1, its
It is characterised by, the check bit Cbit_iWith each packet checks value CiComputational methods be that obtained compression full information is made a summary
Ibit_i_comCRC-16 check codes are carried out, obtain check bit Cbit_i；Check bit Cbit_iIt is attached to compression full information summary
Ibit_i_comAfterwards, check value C is obtainedi。
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Cited By (4)
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| CN111147959A (en) * | 2020-01-06 | 2020-05-12 | 广东电科院能源技术有限责任公司 | Processing method and device for change information of centralized meter reading system equipment and computer equipment |
| CN111767292A (en) * | 2020-05-26 | 2020-10-13 | 宁波三星医疗电气股份有限公司 | Ammeter communication module file fault tolerance method |
| CN113489794A (en) * | 2021-07-07 | 2021-10-08 | 智洋创新科技股份有限公司 | Communication interaction method for intelligent identification master station and intelligent station end equipment of transformer substation |
| CN113591027A (en) * | 2021-07-05 | 2021-11-02 | 宁波三星医疗电气股份有限公司 | Method for realizing file synchronization between concentrator and local communication module |
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