CN107483307A - It is a kind of that table method is searched based on the stipulations standards of DL/T 645 - Google Patents
It is a kind of that table method is searched based on the stipulations standards of DL/T 645 Download PDFInfo
- Publication number
- CN107483307A CN107483307A CN201710548877.8A CN201710548877A CN107483307A CN 107483307 A CN107483307 A CN 107483307A CN 201710548877 A CN201710548877 A CN 201710548877A CN 107483307 A CN107483307 A CN 107483307A
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- China
- Prior art keywords
- electric energy
- energy meter
- concentrator
- intelligent electric
- address
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/403—Bus networks with centralised control, e.g. polling
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4552—Lookup mechanisms between a plurality of directories; Synchronisation of directories, e.g. metadirectories
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
It is a kind of that table method is searched based on the stipulations standards of DL/T 645, it is related to a kind of acquisition method.At present, when the situation for newly-increased electric energy meter occur, when execution searches table automatically, then the efficiency for searching table can be largely effected on because of the presence of original electric energy meter.The present invention comprises the following steps：1）Concentrator communicates with intelligent electric energy meter；2）After intelligent electric energy meter receives the abbreviated addressing message of concentrator, judge whether to receive any message for its address of concentrator transmission in setting time, if being then not responding to the abbreviated addressing message, otherwise respond abbreviated addressing message, send its address information；3）The address information for each intelligent electric energy meter that concentrator storage receives, after generating the electric energy meter address history on its line of RS 485, active reporting is to acquisition system main website.This skill scheme greatly improves and searches table efficiency in the case of increment electric energy meter.
Description
Technical field
The present invention relates to a kind of acquisition method, more particularly to a kind of table method is searched based on the stipulations standards of DL/T 645.
Background technology
In the power information acquisition system of Utilities Electric Co., concentrator passes through the stipulations standards of DL/T 645 and intelligent electric energy meter
Communication, according to the content in the stipulations standards systems of DL/T 645, physical electrical interface uses semiduplex RS-485 standard serials
Bus electric interfaces, and the half-duplex operation mode of main-slave structure is defined as on data link level, wherein based on concentrator
Stand, intelligent electric energy meter is slave station, and each intelligent electric energy meter has each unique mailing address coding, according to field application situation
Difference, the electric energy meter quantity that can access in every RS-485 bus can at most reach 100, show in the application of Utilities Electric Co.
, install and safeguard for convenience, typically require that concentrator has and search table function automatically, be i.e. concentrator searches for its RS-485 automatically
Electric energy table address on line, for active reporting to acquisition system main website, this method is installed for the first time in equipment searches table after forming archives
When it is still relatively efficient, but in the event of the situation of newly-increased electric energy meter, perform it is automatic search table when, then can
The efficiency for searching table is largely effected on because of the presence of original electric energy meter, needs to improve this increment electricity using a kind of method
Table efficiency is searched in the case of energy table.
The content of the invention
The technical problem to be solved in the present invention and the technical assignment proposed are prior art to be improved with being improved,
There is provided it is a kind of table method is searched based on the stipulations standards of DL/T 645, to put forward efficient purpose.Therefore, the present invention takes following skill
Art scheme.
A kind of table method of searching based on the stipulations standards of DL/T 645 comprises the following steps：
1）Concentrator is communicated by the stipulations marks of DL/T 645 with intelligent electric energy meter；Concentrator is main website, and intelligent electric energy meter is slave station；
Concentrator sends abbreviated addressing message to electric energy meter；
2）After intelligent electric energy meter receives the abbreviated addressing message of concentrator, judge whether intelligent electric energy meter receives in setting time
Cross any message for its address of concentrator transmission, if being then not responding to the abbreviated addressing message, otherwise intelligent electric energy meter
The abbreviated addressing message of concentrator is responded, sends its address information；
3）The address information for each intelligent electric energy meter that concentrator storage receives, generate the electric energy meter address history on its RS-485 line
Afterwards, active reporting is to acquisition system main website.
Intelligent electric energy meter is within a certain period of time（Time value can be set according to actual conditions）If received concentrator
Any message for its address sent, then any message that address field is abbreviated addressing is not responding to, can so be carried significantly
Table efficiency is searched in the case of high increment electric energy meter.
As further improving and supplementing to above-mentioned technical proposal, present invention additionally comprises following additional technical feature.
Further, in step 2）In, when intelligent electric energy meter is not receive appointing for concentrator transmission in setting time
When what is directed to the message of its address, acknowledgement frame is sent after intelligent electric energy meter random delay, the address field of acknowledgement frame returns to intelligence electricity
Can table address.
Further, after intelligent electric energy meter accesses RS-485, actively its address information is sent to concentrator.
Further, concentrator judges whether do not have in reception time-out time according to the electric energy meter address history of preservation
The information that all intelligent electric energy meters are replied is received, if not receiving all intelligent electric energy meters time receiving concentrator in time-out time
Multiple information, then abbreviated addressing message is sent again.
Further, if after concentrator repeatedly sends abbreviated addressing message, all intelligent electric energy meters are not received still and are returned
Multiple information, then roll-call copy reading is carried out to not successful intelligent electric energy meter.
Further, after the most three times transmissions abbreviated addressing messages of concentrator, if all intelligent electric energy still can not be received
The information that table is replied, then carry out roll-call copy reading to not successful intelligent electric energy meter.
Further, the frame format of acknowledgement frame includes start-of-frame, address field, start-of-frame, control code, data field length
Degree, data field, check code and end mark.
Further, concentrator is in abbreviated addressing, and from low level, the remaining high-order AAH that mends carries out meter reading as asterisk wildcard
Operation, the address field of electric energy meter acknowledgement frame return to actual mailing address.The number of transmission abbreviated addressing to concentrator is carried out
Limitation, after the address information of most of intelligent electric energy meter is obtained, the intelligent electric energy meter of fraction is polled, effectively improved
Efficiency, while communication pressure is also reduced, reduce influences on other business data transmissions.
Beneficial effect：
1st, intelligent electric energy meter does not ring then within a certain period of time if receiving any message for its address of concentrator transmission
Any message for answering address field to be abbreviated addressing, it can so greatly improve and search table efficiency in the case of increment electric energy meter.
2nd, after for abbreviated addressing is employed many times, roll-call copy reading still is carried out without successful intelligent electric energy meter, improves effect
While rate, ensure the acquisition of the address information of intelligent electric energy meter.
3rd, information is sent after each intelligent electric energy meter random delay, avoids congestion, improve the reliability of work.
4th, the number of the abbreviated addressing of concentrator is limited, it is right after the address of most of intelligent electric energy meter is obtained
The intelligent electric energy meter of fraction is polled, and effectively improves efficiency, while also reduces communication pressure, is reduced to other business datums
Transmission influences.
5th, avoid intelligent electric energy meter from uploading the address information repeated to concentrator, reduce communication pressure, reduce to other industry
Data transfer of being engaged in influences.
Brief description of the drawings
Fig. 1 is the electric energy meter flow chart of the present invention.
Embodiment
Technical scheme is described in further detail below in conjunction with Figure of description.
Embodiment one：
As shown in figure 1, the present invention comprises the following steps：
1）Concentrator is communicated by the stipulations marks of DL/T 645 with intelligent electric energy meter；Concentrator is main website, and intelligent electric energy meter is slave station；
Concentrator sends abbreviated addressing message to electric energy meter；
2）After intelligent electric energy meter receives the abbreviated addressing message of concentrator, judge whether intelligent electric energy meter receives in setting time
Cross any message for its address of concentrator transmission, if being then not responding to the abbreviated addressing message, otherwise intelligent electric energy meter
The abbreviated addressing message of concentrator is responded, sends its address information；
3）The address information for each intelligent electric energy meter that concentrator storage receives, generate the electric energy meter address history on its RS-485 line
Afterwards, active reporting is to acquisition system main website.
Intelligent electric energy meter was within a certain period of time if received any message for its address of concentrator transmission, then not
Response address domain is any message of abbreviated addressing, can so greatly improve and search table efficiency in the case of increment electric energy meter.Together
When, avoid intelligent electric energy meter from uploading the useless address information repeated to concentrator, reduce communication pressure, reduce to other business
Data transfer influences.
The frame format of acknowledgement frame include start-of-frame, address field, start-of-frame, control code, data field length, data field,
Check code and end mark.Frame format is as shown in table 1：
Table 1
The abbreviated addressing of address field, from some low levels, the remaining high-order AAH that mends carries out meter reading operation, electric energy meter as asterisk wildcard
The address field of acknowledgement frame returns to actual mailing address.
In order to avoid congestion, the reliability of work is improved.In step 2）In, when intelligent electric energy meter be in setting time not
When receiving any message for its address of concentrator transmission, acknowledgement frame, response are sent after intelligent electric energy meter random delay
The address field of frame returns to intelligent electric energy meter address.Information is sent after each intelligent electric energy meter random delay, avoids congestion, improves work
The reliability of work.
In order to improve efficiency, after intelligent electric energy meter accesses RS-485, actively its address information is sent to concentrator.
To improve the reliability of work, while efficiency is improved, ensure the acquisition of the address information of intelligent electric energy meter, collect
Middle device judges whether that not receiving all intelligent electric energy meters in reception time-out time returns according to the electric energy meter address history of preservation
Multiple information, if not receiving the information that all intelligent electric energy meters are replied receiving concentrator in time-out time, send again
Abbreviated addressing message.After if concentrator repeatedly sends abbreviated addressing message, do not receive what all intelligent electric energy meters were replied still
Information, then roll-call copy reading is carried out to not successful intelligent electric energy meter.In the present embodiment, the most three times transmissions of concentrator are condensed
Message is addressed, if can not still receive the information that all intelligent electric energy meters are replied, not successful intelligent electric energy meter is carried out
Roll-call copy reading.
A kind of specific embodiment that table method is the present invention of searching based on the stipulations standards of DL/T 645 shown in figure 1 above,
Substantive distinguishing features of the present invention and progress have been embodied, under the enlightenment of the present invention, it can have been entered according to the use needs of reality
The equivalent modifications of row shape, structure etc., this programme protection domain row.
Claims (8)
1. a kind of search table method based on the stipulations standards of DL/T 645, it is characterised in that comprises the following steps：
1）Concentrator is communicated by the stipulations marks of DL/T 645 with intelligent electric energy meter；Concentrator is main website, and intelligent electric energy meter is slave station；
Concentrator sends abbreviated addressing message to electric energy meter；
2）After intelligent electric energy meter receives the abbreviated addressing message of concentrator, judge whether intelligent electric energy meter receives in setting time
Cross any message for its address of concentrator transmission, if being then not responding to the abbreviated addressing message, otherwise intelligent electric energy meter
The abbreviated addressing message of concentrator is responded, sends its address information；
3）The address information for each intelligent electric energy meter that concentrator storage receives, generate the electric energy meter address history on its RS-485 line
Afterwards, active reporting is to acquisition system main website.
A kind of table method is searched based on the stipulations standards of DL/T 645 2. according to claim 1, it is characterised in that：In step
2）In, when intelligent electric energy meter is any message for its address for not receiving concentrator transmission in setting time, intelligence
Acknowledgement frame can be sent after electric energy meter random delay, the address field of acknowledgement frame returns to intelligent electric energy meter address.
A kind of table method is searched based on the stipulations standards of DL/T 645 3. according to claim 1, it is characterised in that：Work as intelligence
After electric energy meter access RS-485, actively its address information is sent to concentrator.
A kind of table method is searched based on the stipulations standards of DL/T 645 4. according to claim 1, it is characterised in that：Concentrator
According to the electric energy meter address history of preservation, judge whether not receiving what all intelligent electric energy meters were replied in reception time-out time
Information, if not receiving the information that all intelligent electric energy meters are replied receiving concentrator in time-out time, send condense again
Address message.
A kind of table method is searched based on the stipulations standards of DL/T 645 5. according to claim 4, it is characterised in that：If concentrate
After device repeatedly sends abbreviated addressing message, the information that all intelligent electric energy meters are replied is not received still, then to not successful
Intelligent electric energy meter carries out roll-call copy reading.
A kind of table method is searched based on the stipulations standards of DL/T 645 6. according to claim 5, it is characterised in that：Concentrator
After most three times send abbreviated addressing messages, if can not still receive the information that all intelligent electric energy meters are replied, to not into
The intelligent electric energy meter of work(carries out roll-call copy reading.
A kind of table method is searched based on the stipulations standards of DL/T 645 7. according to claim 1, it is characterised in that：Acknowledgement frame
Frame format include start-of-frame, address field, start-of-frame, control code, data field length, data field, check code and end mark.
A kind of table method is searched based on the stipulations standards of DL/T 645 8. according to claim 1, it is characterised in that：Concentrator
In abbreviated addressing, from low level, the remaining high-order AAH that mends carries out meter reading operation, the address of electric energy meter acknowledgement frame as asterisk wildcard
Domain returns to actual mailing address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548877.8A CN107483307A (en) | 2017-07-07 | 2017-07-07 | It is a kind of that table method is searched based on the stipulations standards of DL/T 645 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548877.8A CN107483307A (en) | 2017-07-07 | 2017-07-07 | It is a kind of that table method is searched based on the stipulations standards of DL/T 645 |
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| Publication Number | Publication Date |
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| CN107483307A true CN107483307A (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710548877.8A Pending CN107483307A (en) | 2017-07-07 | 2017-07-07 | It is a kind of that table method is searched based on the stipulations standards of DL/T 645 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009110A (en) * | 2019-11-28 | 2020-04-14 | 江苏智臻能源科技有限公司 | Method and hardware equipment for collecting load identification data of user electric meter |
| CN111212104A (en) * | 2019-12-05 | 2020-05-29 | 宁波三星智能电气有限公司 | Automatic meter searching method for electric meter acquisition terminal |
| CN112114192A (en) * | 2020-07-29 | 2020-12-22 | 宁波三星医疗电气股份有限公司 | Electric power acquisition terminal meter searching method, electronic equipment and meter searching system |
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| WO2006021963A2 (en) * | 2004-08-26 | 2006-03-02 | Aquate Industries Ltd. | Meter readout system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009110A (en) * | 2019-11-28 | 2020-04-14 | 江苏智臻能源科技有限公司 | Method and hardware equipment for collecting load identification data of user electric meter |
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| CN112114192A (en) * | 2020-07-29 | 2020-12-22 | 宁波三星医疗电气股份有限公司 | Electric power acquisition terminal meter searching method, electronic equipment and meter searching system |
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Application publication date: 20171215 |
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