CN103746937A - Data acquisition service bus system applied to smart power distribution network and implementation method thereof - Google Patents
Data acquisition service bus system applied to smart power distribution network and implementation method thereof Download PDFInfo
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Abstract
The invention relates to a bus system and an implementation method thereof in the power system field, and specifically relates to a data acquisition service bus system applied to a smart power distribution network and an implementation method thereof. In the data acquisition field, a plurality of data acquisition terminals and one or more bus concentrators are installed, the bus concentrators are used to real-time cache on data messages of the acquisition terminal connected with the bus concentrators, when data measurement is performed by an unified data acquisition service bus master station, the cached acquired data is packaged and uploaded; on the bus master station side, after packaging messages of the concentrator are received by the bus system, unpacking is performed, and protocols are performed to analyze storage. By providing the bus system and the implementation method of the invention, the data receiving real-time performance can be ensured, the reliability of data acquisition can be improved, and the simultaneous access of acquisition terminal of various different protocols can be supported.
Description
Technical field
The present invention relates to bus system and its implementation of field of power, be specifically related to a kind of intelligent distribution network data acquisition service bus system and its implementation of being applied to.
Background technology
At present, it is more and more wider that in electric power system, application is served in data acquisition, and data acquisition technology is more and more ripe, but still has some problems.
On the one hand, existing data acquisition, generally all adopts main website regularly to call together in survey or acquisition terminal active and send, between Dou Shi main website and each acquisition terminal, carry out direct interaction, but due to the complexity of site environment, be easy to cause communication delay or interruption, affect the reliability of data acquisition.
On the other hand, during data acquisition, the transmission of message must be followed certain communication protocol, and the manufacturer of different acquisition terminal is due in technology or interests, and communication protocol temporarily cannot realize unification.Therefore,, in actual acquisition process, due to the limitation of communication protocol, cause type selecting restriction and the main station system packet parsing difficulty of acquisition terminal in implementation process to increase.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of intelligent distribution network data acquisition service bus system and its implementation of being applied to, the present invention can guarantee to receive the real-time of data, improve the reliability of data acquisition, and access when can support the acquisition terminal of multiple different stipulations, type selecting restriction and the main station system packet parsing difficulty that can well solve acquisition terminal in electric distribution network data collection process increase problem.
The object of the invention is to adopt following technical proposals to realize:
The invention provides a kind of intelligent distribution network data acquisition service bus system that is applied to, its improvements are, described system comprises successively the on-the-spot Ce He main website side connecting, described on-the-spot side comprises total wire center, described total wire center is connected with acquisition terminal by down channel, described bus side comprises bus master, and described bus master is connected with total wire center.
Further, at least one of the number of units of described acquisition terminal, at least one of the number of units of described total wire center, comprises calling together to survey receiving message module and message encapsulation and cache module;
Described calling together surveyed reception message module for calling survey together to each acquisition terminal, receives acquisition terminal message, and sends the message of reception to message encapsulation and cache module;
The encapsulation of described message and cache module be for the acquisition terminal message receiving is carried out to buffer memory, receiving that bus master side calls together while observing and predicting literary composition, the acquisition terminal message in buffer memory encapsulated and uploaded.
Further, described bus master comprises parsing warehousing module, message parse module and stipulations intelligent identification module;
Described message parse module unpacks for acquisition terminal message is carried out to message, obtains the set of acquisition terminal message block, and acquisition terminal message block is uploaded to stipulations intelligent identification module;
Described stipulations intelligent identification module is used for acquisition terminal message block to carry out stipulations Intelligent Recognition, and the message after identification is uploaded to and resolves warehousing module;
Described parsing warehousing module is for resolving warehousing to the message after identification.
The present invention also provides a kind of implementation method that is applied to intelligent distribution network data acquisition service bus system, and its improvements are, described method comprises the steps:
(1) the survey reception message module of calling together of total wire center is carried out data interaction by down channel and each acquisition terminal, with minimum interval, to each acquisition terminal, call survey together, receive acquisition terminal message, and send the message of reception to message encapsulation and cache module;
(2) adopt and to there is ageing packet buffer and encapsulation scheme, up-to-date acquisition terminal message is carried out to buffer memory, receiving that main website side calls together while observing and predicting literary composition, the acquisition terminal message in buffer memory is encapsulated and uploaded;
(3) bus master receives after total wire center message, and its message parse module carries out message by acquisition terminal message and unpacks, and obtains the set of acquisition terminal message block, and acquisition terminal message block is uploaded to stipulations intelligent identification module;
(4) stipulations intelligent identification module is carried out stipulations Intelligent Recognition to acquisition terminal message block, and the message after identification is uploaded to and resolves warehousing module;
(5) resolve warehousing module for the message after identification is resolved to warehousing.
Further, in described step (2), there is ageing packet buffer and encapsulation scheme and comprise the steps:
<1> arranges buffer area in total wire center, receives after an acquisition terminal message, first according to terminal address, according to first-in first-out principle, retrieves in buffer area whether have acquisition terminal message block;
<2> if there is no, is encapsulated as message block by terminal address, terminal message, SOT state of termination (receive message, represent that this SOT state of termination is UNICOM) and current time stamp, deposits buffer area in;
If <3> exists, take out corresponding acquisition terminal message block (in buffer area, with message block form, store, this message block obtains after acquisition terminal message, SOT state of termination and timestamp are encapsulated), checking time stamp, acquisition terminal message, SOT state of termination and timestamp are replaced in encapsulation, and again deposit buffer area in;
<4> regularly carries out state verification again to acquisition terminal in buffer area, and each acquisition terminal message block timestamp is compared, and for the acquisition terminal state that does not receive for a long time message, is set to disconnection;
<5> receives calling together of bus master and observes and predicts after literary composition, and bus collector address, acquisition terminal message amount, all terminal message block are encapsulated as to long message again, and are uploaded to bus master.
Further, described total wire center is surveyed as regularly sequentially calling survey together calling together of acquisition terminal, adopts the real-time buffer memory of first-in first-out FIFO formula to be used for improving buffering area recall precision.
Further, in described step (4), in described bus master, comprise a terminal stipulations mapping table, for depositing terminal address and corresponding stipulations thereof, and a stipulations mark sheet, for depositing various stipulations recognition features; Stipulations intelligent identification module is carried out stipulations Intelligent Recognition to acquisition terminal message block and is comprised the steps:
1. bus master receives after total wire center message, first carries out message and unpacks, and gets the set of acquisition terminal message block, then respectively each acquisition terminal message block is carried out to stipulations Intelligent Recognition; According to the terminal address in terminal message block, in searching terminal stipulations mapping table, whether there is terminal address;
2. if there is no, need the stipulations feature in terminal message and stipulations mark sheet to carry out stipulations characteristic matching, if the match is successful, call coupling stipulations and resolve warehousing, the while is new terminal stipulations mapping table more; If it fails to match or call coupling stipulations and resolves unsuccessfully, to terminal message block is carried out to record, and transmission prompting, by attendant, carry out as required stipulations increase;
If 3. existed, call corresponding stipulations and resolve warehousing, if resolve unsuccessfully, step is 2..
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, the present invention can guarantee to receive the real-time of data, improve the reliability of data acquisition, and access when can support the acquisition terminal of multiple different stipulations, type selecting restriction and the main station system packet parsing difficulty that can well solve acquisition terminal in electric distribution network data collection process increase problem.
2, the present invention adopts and has ageing packet buffer and method for packing, can improve real-time and the reliability of data acquisition;
3, the present invention adopts stipulations intelligent identification Method, can avoid the acquisition terminal type selecting causing due to stipulations disunity to limit, and improve the about analyzing efficiency of main website side mark and accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation that is applied to intelligent distribution network data acquisition service bus system provided by the invention;
Fig. 2 is have ageing packet buffer and method for packing (MCET) procedure chart provided by the invention;
Fig. 3 is stipulations Intelligent Recognition provided by the invention (PIR) procedure chart.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The problem and the shortcoming that for prior art, exist, the invention provides a kind of intelligent distribution network uniform data that is applied to and gather service bus system and its implementation, type selecting restriction and the main station system packet parsing difficulty that can well solve the acquisition terminal in electric distribution network data collection process increase problem.
The present invention, according to the enforcement present situation of power distribution network collection service, provides a kind of intelligent distribution network data acquisition service bus system that is applied to, and its structural representation as shown in Figure 1, comprises two parts of on-the-spot Ce He main website side that connect successively.On-the-spot side comprises total wire center, and total wire center is connected with acquisition terminal by down channel, and described bus side comprises bus master, and described bus master is connected with total wire center.
The number of units of acquisition terminal is many, and total wire center is one or more, comprises calling together to survey receiving message module and message encapsulation and cache module; Described calling together surveyed reception message module for calling survey together to each acquisition terminal, receives acquisition terminal message, and sends the message of reception to message encapsulation and cache module; Message encapsulation and cache module be for the acquisition terminal message receiving is carried out to buffer memory, receiving that bus master side calls together while observing and predicting literary composition, the acquisition terminal message in buffer memory encapsulated and uploaded.
Bus master comprises resolves warehousing module, message parse module and stipulations intelligent identification module; Message parse module unpacks for acquisition terminal message is carried out to message, obtains the set of acquisition terminal message block, and acquisition terminal message block is uploaded to stipulations intelligent identification module; Stipulations intelligent identification module is used for acquisition terminal message block to carry out stipulations Intelligent Recognition, and the message after identification is uploaded to and resolves warehousing module; Resolve warehousing module for the message after identification is resolved to warehousing.
The present invention also provides a kind of implementation method that is applied to intelligent distribution network data acquisition service bus system, comprises the steps:
(1) side at the scene, the survey reception message module of calling together of total wire center is carried out data interaction by down channel and each acquisition terminal, with minimum interval, to each acquisition terminal, call survey together, receive acquisition terminal message, and send the message of reception to message encapsulation and cache module;
(2) message encapsulation and cache module adopt and have ageing packet buffer and encapsulation scheme (MCET, Message Cached and Encapsulated with Timeliness), up-to-date acquisition terminal message is carried out to buffer memory, receiving that main website side calls together while observing and predicting literary composition, the acquisition terminal message in buffer memory is encapsulated and uploaded; Like this, just can guarantee disposable all acquisition terminal data under total wire center to be uploaded to main website side simultaneously, avoid the data delay or the loss that cause due to reasons such as communications, thereby improved the reliability of data acquisition.
(3) in main website side, bus master receives after total wire center message, and its message parse module carries out message by acquisition terminal message and unpacks, and obtains the set of acquisition terminal message block, and acquisition terminal message block is uploaded to stipulations intelligent identification module;
(4) stipulations intelligent identification module is carried out stipulations Intelligent Recognition (PIR, Protocol Intelligent Recognition) to acquisition terminal message block, and the message after identification is uploaded to and resolves warehousing module; Stipulations Intelligent Recognition can be carried out Intelligent Recognition parsing to various stipulations, and can expand, thereby has avoided the acquisition terminal type selecting causing due to stipulations disunity to limit, and has improved the about analyzing efficiency of main website side mark.
(5) resolve warehousing module for the message after identification is resolved to warehousing.
The procedure chart that wherein step (2) has ageing packet buffer and an encapsulation scheme (MCET, Message Cached and Encapsulated with Timeliness) as shown in Figure 2, comprising:
To have ageing packet buffer and encapsulation scheme be mainly by encapsulation such as the message of each acquisition terminal and SOT state of termination and carry out the real-time buffer memory of first-in first-out (FIFO) formula, and call together while observing and predicting literary composition receiving bus master, all terminal messages etc. are encapsulated as to a long message again.Specific implementation is as follows:
In total wire center, there is a buffer area in <1>, receives after a terminal message, first according to terminal address, according to first-in first-out principle, retrieves in buffer area whether have this terminal message;
<2> if there is no, is encapsulated as message block by terminal address, terminal message, SOT state of termination (receive message, represent that this SOT state of termination is UNICOM) and current time stamp, deposits buffer area in;
If <3> exists, take out this message block, checking time stamp, terminal message, SOT state of termination and timestamp are replaced in encapsulation, and again deposit buffer area in.
<4> simultaneously, also can regularly carry out state verification again to terminal in buffer area, and each terminal message block timestamp is compared, and for the SOT state of termination that does not receive for a long time message, is set to disconnection.By the strict verification of timestamp and state verification again, guaranteed the real-time of terminal message.
<5> receives calling together of bus master and observes and predicts after literary composition, and bus collector address, terminal message amount, all terminal message block etc. are encapsulated as to long message again, is uploaded to bus master.By disposable, upload, guaranteed the reliability of data acquisition.
At this, be worth should be mentioned that, because total wire center is surveyed as regularly sequentially calling survey together calling together of acquisition terminal, therefore adopt the real-time buffer memory of first-in first-out (FIFO) formula can improve buffering area recall precision, thereby improve message block encapsulation, replace and SOT state of termination verification speed again.
Wherein the procedure chart of step (4) stipulations Intelligent Recognition (PIR, Protocol Intelligent Recognition) as shown in Figure 3, comprising:
Stipulations Intelligent Recognition is mainly the protocol type of Intelligent Recognition terminal message, and resolves.The method prerequisite is in bus master system, has a terminal stipulations mapping table, for depositing terminal address and corresponding stipulations thereof, and a stipulations mark sheet, for depositing various stipulations recognition features.Specific implementation is:
1. bus master system receives after total wire center message, first carries out message and unpacks, and gets the set of terminal message block, then respectively each terminal message block is carried out to stipulations Intelligent Recognition.According to the terminal address in terminal message block, in searching terminal stipulations mapping table, whether there is this terminal address:
2. if there is no, need the stipulations feature in terminal message and stipulations mark sheet to carry out stipulations characteristic matching, if the match is successful, call coupling stipulations and resolve warehousing, the while is new terminal stipulations mapping table more; If it fails to match or call coupling stipulations and resolves unsuccessfully, to terminal message block is carried out to record, and transmission prompting, can carry out as required stipulations increase by attendant;
If 3. existed, call corresponding stipulations and resolve warehousing, if resolve unsuccessfully, carry out step 2..
At this, be worth should be mentioned that, communication protocol can be carried out flexible expansion as required, and stipulations feature and corresponding stipulations analytical algorithm only need be provided.
A kind of intelligent distribution network uniform data that is applied to provided by the invention gathers service bus system and its implementation.On-the-spot in data acquisition, many data collection stations and one or more total wire center are installed, total wire center carries out real-time buffer memory by the data message that is attached thereto the acquisition terminal connecing, in uniform data, gather service bus main website and carry out data and call together while surveying, the image data of buffer memory is encapsulated and uploaded; In bus master side, bus system receives after the encapsulated message of concentrator, unpacks, and the professional etiquette of going forward side by side is approximately identified parsing warehousing.Proposition of the present invention, can guarantee to receive the real-time of data, improves the reliability of data acquisition, and access when can support the acquisition terminal of multiple different stipulations.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. one kind is applied to intelligent distribution network data acquisition service bus system, it is characterized in that, described system comprises successively the on-the-spot Ce He main website side connecting, described on-the-spot side comprises total wire center, described total wire center is connected with acquisition terminal by down channel, described bus side comprises bus master, and described bus master is connected with total wire center.
2. data acquisition service bus system as claimed in claim 1, is characterized in that, at least one of the number of units of described acquisition terminal, and at least one of the number of units of described total wire center, comprises calling together to survey receiving message module and message encapsulation and cache module;
Described calling together surveyed reception message module for calling survey together to each acquisition terminal, receives acquisition terminal message, and sends the message of reception to message encapsulation and cache module;
The encapsulation of described message and cache module be for the acquisition terminal message receiving is carried out to buffer memory, receiving that bus master side calls together while observing and predicting literary composition, the acquisition terminal message in buffer memory encapsulated and uploaded.
3. data acquisition service bus system as claimed in claim 1, is characterized in that, described bus master comprises resolves warehousing module, message parse module and stipulations intelligent identification module;
Described message parse module unpacks for acquisition terminal message is carried out to message, obtains the set of acquisition terminal message block, and acquisition terminal message block is uploaded to stipulations intelligent identification module;
Described stipulations intelligent identification module is used for acquisition terminal message block to carry out stipulations Intelligent Recognition, and the message after identification is uploaded to and resolves warehousing module;
Described parsing warehousing module is for resolving warehousing to the message after identification.
4. an implementation method that is applied to intelligent distribution network data acquisition service bus system, is characterized in that, described method comprises the steps:
(1) the survey reception message module of calling together of total wire center is carried out data interaction by down channel and each acquisition terminal, with minimum interval, to each acquisition terminal, call survey together, receive acquisition terminal message, and send the message of reception to message encapsulation and cache module;
(2) adopt and to there is ageing packet buffer and encapsulation scheme, up-to-date acquisition terminal message is carried out to buffer memory, receiving that main website side calls together while observing and predicting literary composition, the acquisition terminal message in buffer memory is encapsulated and uploaded;
(3) bus master receives after total wire center message, and its message parse module carries out message by acquisition terminal message and unpacks, and obtains the set of acquisition terminal message block, and acquisition terminal message block is uploaded to stipulations intelligent identification module;
(4) stipulations intelligent identification module is carried out stipulations Intelligent Recognition to acquisition terminal message block, and the message after identification is uploaded to and resolves warehousing module;
(5) resolve warehousing module for the message after identification is resolved to warehousing.
5. implementation method as claimed in claim 4, is characterized in that, in described step (2), has ageing packet buffer and encapsulation scheme and comprises the steps:
<1> arranges buffer area in total wire center, receives after an acquisition terminal message, first according to terminal address, according to first-in first-out principle, retrieves in buffer area whether have acquisition terminal message block;
<2> if there is no, is encapsulated as message block by terminal address, terminal message, SOT state of termination (receive message, represent that this SOT state of termination is UNICOM) and current time stamp, deposits buffer area in;
If <3> exists, take out corresponding acquisition terminal message block, checking time stamp, acquisition terminal message, SOT state of termination and timestamp are replaced in encapsulation, and again deposit buffer area in;
<4> regularly carries out state verification again to acquisition terminal in buffer area, and each acquisition terminal message block timestamp is compared, and for the acquisition terminal state that does not receive for a long time message, is set to disconnection;
<5> receives calling together of bus master and observes and predicts after literary composition, and bus collector address, acquisition terminal message amount, all terminal message block are encapsulated as to long message again, and are uploaded to bus master.
6. implementation method as claimed in claim 4, is characterized in that, described total wire center is surveyed as regularly sequentially calling survey together calling together of acquisition terminal, adopts the real-time buffer memory of first-in first-out FIFO formula to be used for improving buffering area recall precision.
7. implementation method as claimed in claim 4, is characterized in that, in described step (4), in described bus master, comprise a terminal stipulations mapping table, for depositing terminal address and corresponding stipulations thereof, and a stipulations mark sheet, for depositing various stipulations recognition features; Stipulations intelligent identification module is carried out stipulations Intelligent Recognition to acquisition terminal message block and is comprised the steps:
1. bus master receives after total wire center message, first carries out message and unpacks, and gets the set of acquisition terminal message block, then respectively each acquisition terminal message block is carried out to stipulations Intelligent Recognition; According to the terminal address in terminal message block, in searching terminal stipulations mapping table, whether there is terminal address;
2. if there is no, need the stipulations feature in terminal message and stipulations mark sheet to carry out stipulations characteristic matching, if the match is successful, call coupling stipulations and resolve warehousing, the while is new terminal stipulations mapping table more; If it fails to match or call coupling stipulations and resolves unsuccessfully, to terminal message block is carried out to record, and transmission prompting, by attendant, carry out as required stipulations increase;
If 3. existed, call corresponding stipulations and resolve warehousing, if resolve unsuccessfully, step is 2..
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| CN109698813A (en) * | 2017-10-23 | 2019-04-30 | 中兴通讯股份有限公司 | A kind of intelligent meter data recording system and method |
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| CN111753003A (en) * | 2020-04-27 | 2020-10-09 | 宁波三星医疗电气股份有限公司 | Method for improving data reporting success rate of concentrator |
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| CN104301144A (en) * | 2014-10-17 | 2015-01-21 | 许继电气股份有限公司 | Panoramic monitoring method of cluster communication server |
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| CN110808860A (en) * | 2019-11-06 | 2020-02-18 | 积成电子股份有限公司 | Identification method and system for high-speed carrier communication acquisition terminal |
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| CN111753003A (en) * | 2020-04-27 | 2020-10-09 | 宁波三星医疗电气股份有限公司 | Method for improving data reporting success rate of concentrator |
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