CN110690978B - RS485 ammeter power failure alarm reporting method based on timing broadcast strategy - Google Patents
RS485 ammeter power failure alarm reporting method based on timing broadcast strategy Download PDFInfo
- Publication number
- CN110690978B CN110690978B CN201910784558.6A CN201910784558A CN110690978B CN 110690978 B CN110690978 B CN 110690978B CN 201910784558 A CN201910784558 A CN 201910784558A CN 110690978 B CN110690978 B CN 110690978B
- Authority
- CN
- China
- Prior art keywords
- power failure
- time
- event
- meter
- reporting
- Prior art date
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000012790 confirmation Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 6
- 230000001934 delay Effects 0.000 claims 1
- 238000012549 training Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 8
- 230000003111 delayed effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- 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
- H04L12/40006—Architecture of a communication node
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A RS485 ammeter power failure alarm reporting method based on a timing broadcast strategy relates to a power failure alarm reporting method; at present, the RS485 mode is a simplex-duplex mode, so that the intelligent meter cannot actively initiate event reporting, and a large number of power failure event reporting omission and late reporting are recorded. The invention comprises the following steps: 1) polling regularly; the II type concentrator broadcasts and sends a 'power failure state inquiry' message at regular time; the II type concentrator is carried out in a meter reading gap period, and the timer training is started when the meter reading on the day is finished or when a time period is exceeded; 2) monitoring a bus; 3) reporting a single-meter power failure event; 4) reporting an RS485 conflict processing event; according to the technical scheme, a specific timing broadcast strategy of the II type concentrator is adopted, the super capacitor is used, the gap period and the alternate calling characteristics after the meter reading of the II type concentrator is completed are effectively utilized to the maximum extent, the active reporting problem of the RS485 intelligent meter is solved, and the accuracy and the real-time performance of the power failure event of the RS485 intelligent meter are greatly improved.
Description
Technical Field
The invention relates to a power failure alarm reporting method, in particular to a power failure alarm reporting method of an RS485 ammeter based on a timing broadcast strategy.
Background
With the rapid development of electric power science and technology and the continuous acceleration of informatization process, a new revolution of optimizing an energy structure and realizing energy strategy transformation is deeply promoted in the world, and a smart grid becomes an important trend of international electric power development. The acquisition system provides a large amount of service and data support in the aspect of supporting distribution network operation management all the time, and plays an important role in power failure analysis service application.
At present, the national grid company optimally designs a software and hardware framework of the intelligent meter, standardizes the processing and reporting flow of the power failure event, and realizes accurate real-time reporting of the power failure event of the intelligent electric energy meter of the carrier module through the super capacitor, thereby realizing active reporting of the event on the premise of ensuring reliable basic metering data. However, a large number of intelligent meters with RS485 downlink communication modes exist in the national network, for example, Zhejiang corporation of the national network has 2600 ten thousand RS485 intelligent meters, wherein the number of the RS485 intelligent meters under the II-type concentrator is about 1600 ten thousand, and the intelligent meters cannot actively initiate event reporting due to the fact that the RS485 mode is a simplex-duplex mode, so that a large number of meter recording power failure events are missed and delayed; the accuracy and the real-time performance of the power failure event of the RS485 intelligent meter are to be improved.
Disclosure of Invention
The technical problem to be solved and the technical task provided by the invention are to perfect and improve the prior technical scheme, and provide a method for reporting the power failure alarm of the RS485 electric meter based on a timing broadcast strategy, so as to achieve the purpose of improving the accuracy and the real-time performance of the power failure event of the RS485 intelligent meter. Therefore, the invention adopts the following technical scheme.
A RS485 ammeter power failure alarm reporting method based on a timing broadcast strategy is characterized in that a capacitor is arranged in the ammeter and meets the condition of power supply for more than 40 seconds under the condition of power failure, and a II-type concentrator is internally provided with a capacitor and meets the condition of power supply for more than 40 seconds under the condition of power failure; the RS485 ammeter power failure alarm reporting comprises:
1) polling regularly;
the II type concentrator broadcasts and sends a 'power failure state inquiry' message at regular time; the II type concentrator is carried out in a meter reading gap period, and the timer training is started when the meter reading on the day is finished or when a time period is exceeded; the type II concentrator sets the period time of the mass-sending broadcast message, wherein the message information requires to report the power failure event in a period;
2) monitoring a bus;
monitoring the conflict situation of the twisted pair line in real time by the bus, monitoring a shared medium after sending a broadcast command of 'power failure state inquiry', and determining whether the conflict exists;
3) single meter blackout event reporting
Monitoring the reported power failure event after the shared medium has no conflict, comprising the following steps:
301) after the II type concentrator group sends a power failure state inquiry broadcast message, if the ammeter has a power failure event in the next period under the condition of confirming no RS485 line conflict, the II type concentrator group replies determined information and pushes a meter number, power failure time and a power failure and restoration mark;
302) the II type concentrator receives the power failure event and directly pushes the power failure event to the master station;
303) the master station judges the timeliness of the electric meter after receiving the power failure event, if the electric meter is before the set time or is delayed and out of business, the confirmation time is invalid, whether the power failure occurs or not is confirmed through summoning, if the power failure occurs, the time is corrected to the event of receiving the event, and finally the power failure of the meter is confirmed;
4) RS485 collision handling event reporting
Monitoring the power failure event reported after the shared medium has conflict, wherein the processing steps comprise:
401) monitoring a shared medium after a broadcast command of 'power failure state inquiry' is sent, and issuing another message if a conflict exists, and requesting a meter to delay a random time reporting event again;
402) after the random time event is reported by the meter, monitoring conflict, if no conflict exists, receiving the power failure event, reporting to a master station, and confirming power failure by the master station;
403) monitoring conflicts after the meters delay the report of random time events, if conflicts exist, judging whether the number of meters exceeding a set number is reported under the terminal, and when the number of meters is less than or equal to the set number, performing further summoning confirmation and confirming that the summoning-incapable meters are powered off;
404) and after the meters delay the report of the random time event, monitoring the conflict, if the conflict exists, judging whether the number of meters exceeding the set number exists under the terminal, if the number of meters exceeding the set number exists, directly judging that the area power failure event exists, and pushing the master station.
The technical scheme solves the following problems:
firstly, the active reporting problem based on the RS485 communication mode is solved
The RS485 communication mode is half duplex, so the intelligent meter can not actively initiate a power failure event as a slave station, the technical scheme combines the existing foundation that the super capacitor is added by the existing II-type concentrator and the intelligent meter, increases the related broadcast power failure reply content in the protocol, and carries out the broadcast command of 'power failure state inquiry' at high frequency and timing in the gap period after the meter reading is finished, if the intelligent meter fails, the power failure confirmation information (comprising the power failure state, the power failure time and the meter number) is replied, and then the power failure confirmation information returns to the II-type concentrator, and is actively reported to the master station through the II-type concentrator.
Secondly, the problem of multi-signal communication conflict of RS485 line is solved
RS485 is a serial communication method widely used in industry as a means for data exchange, and data signals are transmitted in a differential transmission manner, also referred to as balanced transmission, and thus have high interference resistance. It uses a pair of twisted pairs, one of which is defined as a and the other as B. However, because the inherent communication mode can not deal with the problem that a plurality of signals simultaneously send communication conflicts in the same twisted pair, the II type concentrator monitors the shared medium after sending a broadcast command of 'power failure state inquiry', monitors the reply to prevent the situation that two or more nodes simultaneously send, backs off a random event if the conflict occurs, determines that the message requirement of replying the power failure state after waiting for random time is sent after the conflict occurs, and confirms that a plurality of power failure messages are received through the node random time reply information of the intelligent meter.
As a preferable technical means: in step 1), the type II concentrator sets a 30-second period to send broadcast messages in a group mode, wherein message information requires reporting of power failure events within 30 seconds.
As a preferable technical means: in step 303), the master station receives the power failure, judges the aging of the electric meter, and confirms that the time is invalid if the electric meter is 5 minutes before, or lags behind and goes on erratically.
As a preferable technical means: in step 401), the delay random time is a random time within 3 seconds.
As a preferable technical means: in step 403), step 404), the number of tables is set to 5.
As a preferable technical means: the method also comprises an RS485 ammeter power failure alarm confirmation process to form the RS485 ammeter power failure alarm reporting and confirming steps, wherein the RS485 ammeter power failure alarm reporting and confirming steps comprise:
1) the II type concentrator broadcasts and sends a 'power failure state inquiry' message at regular time, and the message broadcasting and sending time is in a meter reading gap period;
2) monitoring the conflict situation of the twisted pair line in real time by the bus, monitoring a shared medium after sending a broadcast command of 'power failure state inquiry', and determining whether the conflict exists;
3) judging whether a single power failure event is replied; if yes, entering the next step; if not, entering step 11);
4) the II type concentrator receives the power failure event recovery frame;
5) the II type concentrator reports the power failure event of the meter;
6) verifying time validity, wherein when the confirmation time is before the set time or is delayed and out of range, the confirmation time is invalid and is corrected to be the time of the master station receiving the event, and when the time verification is invalid, the step 8) is carried out; when the time is verified to be valid, entering the next step;
7) the master station confirms the power failure and ends;
8) calling and detecting to confirm whether power is off;
9) judging whether electricity exists; if the power is available, ending, and if the power is not available, entering the next step;
10) correcting the time validity and entering the step 7);
11) judging whether a conflict signal appears, if so, ending; if not, entering the next step;
12) issuing the broadcast message again, and requiring 3 seconds to send power failure information;
13) monitoring whether a conflict signal continues to exist, if so, entering the next step, and if not, entering the step 18);
14) judging whether the number of the blocks under the II type concentrator exceeds 10 at most, if not, entering a step 19), and if so, entering the next step;
15) judging that the multi-meter area is powered off;
16) the terminal reports a multi-table area power failure event;
17) the master station confirms that the area is powered off and finishes;
18) reporting a power failure event according to random time, and confirming multi-meter power failure; and proceeds to step 21);
19) the II type concentrator calls the electricity meter to confirm power failure;
20) according to the calling result, power failure of a plurality of meters is confirmed;
21) the terminal reports the power failure events of the multiple tables;
22) and (5) correcting the time validity of the master station, confirming the power failure and ending.
Has the advantages that: according to the technical scheme, a specific timing broadcast strategy of the II type concentrator is adopted, the super capacitor is used, the gap period and the alternate calling characteristics after the meter reading of the II type concentrator is completed are effectively utilized to the maximum extent, the active reporting problem of the RS485 intelligent meter is effectively solved, and the accuracy and the real-time performance of the power failure event of the RS485 intelligent meter are greatly improved.
The technical scheme is based on the existing architecture of the power utilization information acquisition system, and provides a communication interaction technical transformation scheme of a II-type concentrator and a meter according to the management requirement for power failure analysis application under the new situation of the national network, so that reliable support for real-time reporting of power failure events of RS485 intelligent household meters is realized. The problem that a real-time power failure monitoring service of 1600 ten thousand users covered by a national grid Zhejiang company is solved by reporting the power failure event of the RS485 intelligent meter is solved, the power supply service quality is effectively improved, 95598 complaints are reduced, the operation work of a distribution network is greatly supported, and the purpose of ensuring the production, living and electricity utilization of people is further achieved.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the drawings in the specification.
In the technical scheme, the RS485 table realizes the process of reporting the power failure alarm in real time when the power failure is sent; the specific process is as follows:
1. timed polling
The method is characterized in that a type II concentrator regularly broadcasts and sends a power failure state inquiry message, and the main realization method comprises the following main points:
1) the super capacitor is arranged in the electric meter, so that the power supply for more than 40 seconds under the condition of power failure is met;
2) the type II concentrator is internally provided with a super capacitor, so that the power supply for more than 40 seconds under the power failure condition is met;
3) the II type concentrator is carried out in a meter reading gap period, and the timer rotation training is started mainly when the meter reading on the same day is finished or when a time period is exceeded;
4) the II type concentrator sets a 30-second one-cycle mass-sending broadcast message, wherein message information requires reporting of power failure events within 30 seconds;
2. bus snooping
The method comprises the steps that a bus monitors the conflict situation of a twisted pair in real time, monitors a shared medium after sending a broadcast command of 'power failure state inquiry', and determines whether the conflict exists;
3. single meter blackout event reporting
The method is used for monitoring the reported power failure event after a shared medium is free from conflict, and the main implementation method comprises the following main points:
1) after the II type concentrator group sends a power failure state inquiry broadcast message, under the condition that no RS485 line conflict exists, if a power failure event occurs in nearly 30 seconds, the electric meter replies determined information, and a meter number, power failure time and a power failure and restoration mark are pushed;
2) the II type concentrator receives the power failure event and directly pushes the power failure event to the master station;
3) the master station receives the power failure, judges the timeliness of the electric meter, confirms that the time is invalid if the electric meter is 5 minutes ago or lags in time and goes on business, confirms whether the power failure occurs through summoning, corrects the time into an event of receiving the event if the power failure is confirmed, and finally confirms that the meter has the power failure;
RS485 conflict handling event reporting
The method for processing the power failure event reported after monitoring the conflict of the shared medium mainly comprises the following key points:
1) monitoring a shared medium after a broadcast command of 'power failure state inquiry' is sent, issuing another message if a conflict exists, and requesting a meter to delay a random time reporting event again (requiring that the delay is within 3 seconds);
2) after the random time event is reported by the meter, monitoring conflict, if no conflict exists, receiving the power failure event, reporting to a master station, and confirming power failure by the master station;
3) after the meters delay the report of the random time event, monitoring conflicts, if conflicts exist, judging whether more than 5 meters exist under the terminal, if the conflicts exist, if the number of the meters is less than or equal to 5, further summoning confirmation can be carried out, and the meters which cannot be summoned are confirmed to be powered off;
4) and monitoring conflicts after the meters delay the report of the random time event, if the conflicts exist, judging whether more than 5 meters exist under the terminal, if the conflicts exist, judging that the area power failure event exists directly if the number of the meters exceeds 5 meters, and pushing the master station.
The technical scheme adopts a timing broadcast strategy mode, which mainly comprises a power failure state inquiry strategy of timing broadcast, a handling strategy of RS485 signal conflict and a power failure reverse calling, measuring and confirming power failure state strategy aiming at the lower meter counting quantity of a II-type concentrator, wherein the details are shown in figure 1, and the corresponding flow is as follows:
1) the II type concentrator broadcasts and sends a 'power failure state inquiry' message at regular time, and the message broadcasting and sending time is in a meter reading gap period;
2) monitoring the conflict situation of the twisted pair line in real time by the bus, monitoring a shared medium after sending a broadcast command of 'power failure state inquiry', and determining whether the conflict exists;
3) judging whether a single power failure event is replied; if yes, entering the next step; if not, entering step 11);
4) the II type concentrator receives the power failure event recovery frame;
5) the II type concentrator reports the power failure event of the meter;
6) verifying time validity, wherein when the confirmation time is before the set time or is delayed and out of range, the confirmation time is invalid and is corrected to be the time of the master station receiving the event, and when the time verification is invalid, the step 8) is carried out; when the time is verified to be valid, entering the next step;
7) the master station confirms the power failure and ends;
8) calling and detecting to confirm whether power is off;
9) judging whether electricity exists; if the power is available, ending, and if the power is not available, entering the next step;
10) correcting the time validity and entering the step 7);
11) judging whether a conflict signal appears, if so, ending; if not, entering the next step;
12) issuing the broadcast message again, and requiring 3 seconds to send power failure information;
13) monitoring whether a conflict signal continues to exist, if so, entering the next step, and if not, entering the step 18);
14) judging whether the number of the blocks under the II type concentrator exceeds 10 at most, if not, entering a step 19), and if so, entering the next step;
15) judging that the multi-meter area is powered off;
16) the terminal reports a multi-table area power failure event;
17) the master station confirms that the area is powered off and finishes;
18) reporting a power failure event according to random time, and confirming multi-meter power failure; and proceeds to step 21);
19) the II type concentrator calls the electricity meter to confirm power failure;
20) according to the calling result, power failure of a plurality of meters is confirmed;
21) the terminal reports the power failure events of the multiple tables;
22) and (5) correcting the time validity of the master station, confirming the power failure and ending.
The RS485 electric meter power failure alarm reporting method based on the timing broadcast strategy shown in fig. 1 is a specific embodiment of the present invention, already embodies the substantial features and the progress of the present invention, and can modify the same aspects of the shape, the structure and the like according to the practical use requirements, and is within the protection scope of the present scheme.
Claims (5)
1. A RS485 ammeter power failure alarm reporting method based on a timing broadcast strategy is characterized in that a capacitor is arranged in the ammeter and meets the condition of power supply for more than 40 seconds under the condition of power failure, and a II-type concentrator is internally provided with a capacitor and meets the condition of power supply for more than 40 seconds under the condition of power failure; the method is characterized in that: the RS485 ammeter power failure alarm reporting comprises the following steps:
1) polling regularly;
the II type concentrator broadcasts and sends a 'power failure state inquiry' message at regular time; the II type concentrator carries out timing polling in the meter reading gap period, and the meter reading gap period for carrying out the timing polling comprises the meter reading gap period when the meter reading is finished on the same day or exceeds a time period;
the type II concentrator sets the period time of the mass-sending broadcast message, wherein the message information requires to report the power failure event in a period;
2) monitoring a bus;
the II type concentrator monitors the conflict situation of the twisted pair in real time through a bus, monitors a shared medium after sending a broadcast command of 'power failure state inquiry', and determines whether the conflict exists;
3) reporting a single-meter power failure event;
monitoring the reported power failure event after the shared medium has no conflict, comprising the following steps:
301) after the II type concentrator group sends a power failure state inquiry broadcast message, if the ammeter has a power failure event in the next period under the condition of confirming no RS485 line conflict, the II type concentrator group replies determined information and pushes a meter number, power failure time and a power failure and restoration mark;
302) the II type concentrator receives the power failure event and directly pushes the power failure event to the master station;
303) the master station judges the time efficiency of the electric meter after receiving the power failure event, if the electric meter sends the power failure event before or after the specified time and the time is wrong, the time is determined to be invalid, whether the power failure occurs or not is determined through summoning, if the power failure is determined, the time is corrected to the time of receiving the event, and finally the power failure of the electric meter is determined;
4) reporting an RS485 conflict processing event;
the II type concentrator monitors the power failure event reported by the shared medium after the shared medium conflicts, and the processing steps comprise:
401) monitoring a shared medium after a broadcast command of 'power failure state inquiry' is sent, issuing another message if a conflict exists, and requiring the ammeter to delay a random time reporting event again;
402) after the electric meter delays reporting of the random time event, the II-type concentrator receives the power failure event and reports to the master station through monitoring the conflict if no conflict exists, and the master station confirms power failure;
403) after the electric meters delay the report of the random time events, the II-type concentrator judges whether the number of the electric meters exceeding the set number is reported or not by monitoring conflicts if the number of the electric meters exceeds the set number, and when the number of the electric meters is less than or equal to the set number, further summoning confirmation is carried out, and the power failure of the electric meters which cannot be summoned is confirmed;
404) and after the electric meters delay the report of the random time event, monitoring the conflict, if the conflict exists, judging whether the number of the electric meters exceeding the set number exists under the II-type concentrator, if the number of the electric meters exceeding the set number exists, directly judging that the area power failure event exists, and pushing the main station.
2. The RS485 ammeter power failure alarm reporting method based on the timing broadcast strategy as claimed in claim 1, wherein: in step 1), the type II concentrator sets a 30-second period to send broadcast messages in a group mode, wherein message information requires reporting of power failure events within 30 seconds.
3. The RS485 ammeter power failure alarm reporting method based on the timing broadcast strategy as claimed in claim 2, wherein: in step 303), the master station judges the time efficiency of the electric meter after receiving the power failure event, and if the time of sending the power failure event by the electric meter is before or after 5 minutes and the time is wrong, the time is determined to be invalid.
4. The RS485 ammeter power failure alarm reporting method based on the timing broadcast strategy as claimed in claim 3, wherein: in step 401), the delay random time is a random time within 3 seconds.
5. The RS485 ammeter power failure alarm reporting method based on the timing broadcast strategy as claimed in claim 4, wherein: in step 403), step 404), the number of electricity meters is set to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784558.6A CN110690978B (en) | 2019-08-23 | 2019-08-23 | RS485 ammeter power failure alarm reporting method based on timing broadcast strategy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784558.6A CN110690978B (en) | 2019-08-23 | 2019-08-23 | RS485 ammeter power failure alarm reporting method based on timing broadcast strategy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110690978A CN110690978A (en) | 2020-01-14 |
| CN110690978B true CN110690978B (en) | 2021-12-17 |
Family
ID=69108485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910784558.6A Active CN110690978B (en) | 2019-08-23 | 2019-08-23 | RS485 ammeter power failure alarm reporting method based on timing broadcast strategy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110690978B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008297049A (en) * | 2007-05-30 | 2008-12-11 | Mitsubishi Electric Corp | Elevator monitoring device |
| EP3088846A1 (en) * | 2015-04-27 | 2016-11-02 | Kabushiki Kaisha Toshiba | Electronic apparatus and method |
| CN106128084A (en) * | 2016-09-05 | 2016-11-16 | 湖南农业大学 | Wireless meter reading method and system |
| CN107464412A (en) * | 2017-08-09 | 2017-12-12 | 国网浙江省电力公司 | A kind of electric energy meter event information copy reading method |
| CN107809139A (en) * | 2017-09-28 | 2018-03-16 | 南京林洋电力科技有限公司 | A kind of user's power-off event report method based on low-voltage power line bandwidth carrier |
| CN108448726A (en) * | 2018-04-17 | 2018-08-24 | 宁波三星医疗电气股份有限公司 | A kind of report method of electric system power-off event |
| CN110034785A (en) * | 2019-03-27 | 2019-07-19 | 国网山东省电力公司青岛供电公司 | The method that power-off fault quickly positions is realized based on power line carrier communication |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557498B (en) * | 2018-12-21 | 2023-05-09 | 中国电力科学研究院有限公司 | Processing method for electric energy meter power-off and power-on event |
| CN109934458B (en) * | 2019-01-31 | 2022-08-09 | 国网浙江省电力有限公司 | Power failure real-time analysis method based on minimum power failure common unit |
-
2019
- 2019-08-23 CN CN201910784558.6A patent/CN110690978B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008297049A (en) * | 2007-05-30 | 2008-12-11 | Mitsubishi Electric Corp | Elevator monitoring device |
| EP3088846A1 (en) * | 2015-04-27 | 2016-11-02 | Kabushiki Kaisha Toshiba | Electronic apparatus and method |
| CN106128084A (en) * | 2016-09-05 | 2016-11-16 | 湖南农业大学 | Wireless meter reading method and system |
| CN107464412A (en) * | 2017-08-09 | 2017-12-12 | 国网浙江省电力公司 | A kind of electric energy meter event information copy reading method |
| CN107809139A (en) * | 2017-09-28 | 2018-03-16 | 南京林洋电力科技有限公司 | A kind of user's power-off event report method based on low-voltage power line bandwidth carrier |
| CN108448726A (en) * | 2018-04-17 | 2018-08-24 | 宁波三星医疗电气股份有限公司 | A kind of report method of electric system power-off event |
| CN110034785A (en) * | 2019-03-27 | 2019-07-19 | 国网山东省电力公司青岛供电公司 | The method that power-off fault quickly positions is realized based on power line carrier communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110690978A (en) | 2020-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102087132B (en) | Wireless communication processing method for water meter | |
| CN107689817B (en) | Method and system for identifying phase of subscriber station area | |
| CN105336138A (en) | Method and system for wireless electricity meter to be automatically registered to concentrator | |
| CN108551356B (en) | Method and system for reporting power failure of centralized meter reading system | |
| CN110474756B (en) | Intelligent power grid electricity utilization information acquisition method | |
| CN106384495A (en) | Transmission method and transmission device for transparent tasks of electricity consumption information acquisition service | |
| CN102752227A (en) | Network organizing method, site and system of power user electricity-consumption information collecting system | |
| CN103021152A (en) | Beidou data transmission method based on confirmation mode | |
| CN102752720A (en) | Method for avoiding conflict of short distance wireless access | |
| CN103051359B (en) | Method for binding slave nodes with master nodes and unit transformer power supply area distinguishing method | |
| CN110969829B (en) | Power failure data sharing method based on cloud platform computing and message bus technology | |
| CN103098527A (en) | Wireless communication apparatus, wireless communication system and wireless communication method | |
| CN110690978B (en) | RS485 ammeter power failure alarm reporting method based on timing broadcast strategy | |
| CN103530335A (en) | In-stockroom operation method and device of electric power measurement acquisition system | |
| CN106251607B (en) | Master station protocol supports the method and system of transparent task protocol extension | |
| CN113365373A (en) | Networking method based on trunk Mesh networking communication protocol | |
| CN107342789B (en) | Networking communication method of cable anti-theft monitoring system | |
| CN106935007A (en) | The method of the up connection management of mobile network's meter | |
| CN103915899A (en) | Autonomous networking structure and method for electric power automatic terminals | |
| CN102299937A (en) | Method and system for distributing clock server based on network | |
| CN113034882B (en) | Centralized meter reading method based on time slice competition reporting | |
| CN103686615A (en) | Cluster-terminal sleep wake-up method | |
| CN103441509A (en) | Reactive power compensation cabinet and control method | |
| CN112116802A (en) | Method for collecting and reporting real-time data of power collection system | |
| CN112770281B (en) | Access control method in field of Internet of things of power equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210203 Address after: 311100 Building 5, 138 Yunlian Road, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: Marketing service center of State Grid Zhejiang Electric Power Co., Ltd Applicant after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Applicant after: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Applicant after: ZHEJIANG HUAYUN INFORMATION TECHNOLOGY Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Applicant before: ELECTRIC POWER SCIENTIFIC RESEARCH INSTITUTE OF STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Applicant before: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Applicant before: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Applicant before: ZHEJIANG HUAYUN INFORMATION TECHNOLOGY Co.,Ltd. Applicant before: STATE GRID CORPORATION OF CHINA |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |