CN110398708A - A kind of site intelligent electrical energy meter fault diagnostic method - Google Patents
A kind of site intelligent electrical energy meter fault diagnostic method Download PDFInfo
- Publication number
- CN110398708A CN110398708A CN201810380662.4A CN201810380662A CN110398708A CN 110398708 A CN110398708 A CN 110398708A CN 201810380662 A CN201810380662 A CN 201810380662A CN 110398708 A CN110398708 A CN 110398708A
- Authority
- CN
- China
- Prior art keywords
- energy meter
- electric energy
- judgment method
- fault
- phase
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to a kind of site intelligent electrical energy meter fault diagnostic methods, and appearance fault recognition method, communication fault detection method including electric energy meter, data storage and deriving method, electricity mutation judgment method, the overproof judgment method of combined error, metering performance fault judgment method, wiring faults judgment method, event fault judgment method, fault judgment method to be rechecked in table, takes and control cell failure judgment method, logout abnormal failure judgment method, work order generation method fault judgment method.The present invention can comprehensively, quickly and accurately judge the failure of electric energy meter, and be managed collectively to electric energy meter information and data.By carrying out automated analysis processing to electric energy meter data, electric energy meter data accurate statistics and building health intelligent power grid system can be better achieved.
Description
Technical field
The invention belongs to electrical testing technical fields, and in particular to a kind of site intelligent electrical energy meter fault diagnostic method.
Background technique
The performance fault and feeder line fault of electric energy meter will lead to data statistics exception, and the direct shadow of the accuracy of data
Ring power department and the vital interests of user.Intelligent electric energy meter fault diagnosis scheme can quickly and accurately detect these
Failure is simultaneously debugged, and the accuracy of data statistics is improved.Intelligent electric energy meter fault diagnosis scheme mainly carries out electric energy meter
Communication, all data of quick obtaining electric energy meter, and these data are analyzed, to judge the common of electric energy meter and route
Failure is divided into three classes according to the severity of failure, carries out corresponding procedure processing, and the number that will test to every a kind of failure
According to database is deposited into, export analysis can be carried out at any time and is checked.Fault message and data are uploaded to metering marketing simultaneously
Management system.Finally by the real case in one city in Daliang City, the practicability of the program is demonstrated.To being data statistics
Accuracy certain help is provided.
Summary of the invention
The purpose of the present invention is to provide a kind of site intelligent electrical energy meter faults for quickly, accurately detecting and debugging
Diagnostic method.
The technical solution of the invention is as follows: a kind of site intelligent electrical energy meter fault diagnostic method, it is characterised in that including
The appearance fault recognition method of electric energy meter, communication fault detection method, data store and deriving method, fault judgment method, electricity
Amount mutation judgment method, the overproof judgment method of combined error, metering performance fault judgment method, wiring faults judgment method, table
Interior event fault judgment method, fault judgment method to be rechecked, expense control cell failure judgment method, logout abnormal failure are sentenced
Disconnected method, work order generation method:
A. appearance fault recognition method is to be taken pictures by the camera of calling PDA to appearance failure bottom degree, will be on photograph
Reach metering marketing management system；Camera is directed at ammeter, the failure of automatic identification ammeter；Call probe automatic identification item
Code obtains data；
B. communication fault detection method is to select infrared, RS485, RS232 communication modes respectively, by the preset wave in corresponding channel
Special rate carries out cycle detection one by one, then the correct baud rate until being matched to ammeter is communicated；
C. data storage and deriving method are to carry out secondary encapsulation using OrmLite database framework, realize depositing automatically for data
Storage, data analysis, automatic inquiry obtain data, automatically derived result function；
D. fault judgment method is divided into two class of appearance fault diagnosis and data fault diagnosis；
E. electricity mutation judgment method judges all data, when the Data Identification determined meets sentencing for electricity mutation
Broken strip part；
F. the overproof judgment method of combined error include each charge rate electric energy meter electric flux accumulated value between total electricity error and
Error between the accumulated value total electricity of three-phase electric energy meter split-phase electric flux is all larger than standard requirements；
G. metering performance fault judgment method is to identify simple metering performance in electric energy meter in acquisition table after secondary sources
Class failure, including error is overproof and indicating value is inaccurate；
H. wiring faults judgment method includes three-phase and four-line wiring judgement and phase three-wire three wiring judgement；
I. event fault judgment method is to transfer electric energy meter operating status word respectively to become the corresponding states word such as decompression, defluidization in table
Position situation is differentiated；
J. fault judgment method to be rechecked is that the project actively matched to needs with marketing system data is proposed wait recheck application；
K. expense control cell failure judgment method be the electricity charge are reduced exception, supplement with money unsuccessfully, authentication failure, control loop mistake
Judged；
L. logout abnormal failure judgment method is that record, electric energy meter programming record, electric energy meter game clock lid are reset to electric energy meter
The failure that number record, electric energy meter open terminal cover record is judged；
M. work order generation method is automatically generated work order, and Auto-writing ammeter information generates work order and makes Excel table automatically
Lattice fill in ammeter information in table automatically, work order are finally uploaded to marketing management system.
The beneficial effects of the present invention are:
The present invention can comprehensively, quickly and accurately judge the failure of electric energy meter, and carry out unified pipe to electric energy meter information and data
Reason.By carrying out automated analysis processing to electric energy meter data, electric energy meter data accurate statistics and building can be better achieved
Health intelligent power grid system.
Specific embodiment
Systems solutions of the invention is: intelligent electric energy meter fault diagnosis scheme mainly reads data from ammeter and carries out
Analysis, is filled into work order to the fault message of faulty ammeter, and work order is finally uploaded to State Grid Corporation of China SG186 marketing
Service platform.
Intelligent electric energy meter fault diagnosis scheme, the appearance failure and functional fault of Main Diagnosis electric energy meter, to each single item outside
It sees failure and functional fault carries out detailed analysis, be divided into three classes to the electric energy meter to break down according to fault severity level, it is right
Different fault types carries out corresponding flow processing.Fault message and data are finally uploaded to State Grid Corporation of China SG186
Marketing service platform, while the data of all detections can be saved, support data export function.
Appearance fault recognition method is by calling the camera of PDA to take pictures appearance failure bottom degree, by photograph
It is uploaded to metering marketing management system.Automatic identification: it opens camera and is directed at ammeter, the failure of automatic identification ammeter；Calling is swept
An automatic identification bar code is retouched, data are obtained；Remove the trouble for manually entering coding from, prevent from inputing by mistake manually, guarantees rapidly and accurately
Coding is filled in, user experience is improved.
Communication fault detection method is as follows:
One group of infrared baud rate is first preset, infrared baud rate circulation is configured, when being matched to the correct baud of ammeter
Rate just can be carried out communication, obtains ammeter information, is directed at the infrared of ammeter, in conjunction with 645 agreements, write to send and receive frame, solution
The logic of frame is analysed, to get the information of ammeter.If returning to the baud rate of successfully detection, time, table address.Illustrate infrared logical
News detect successfully；So that it is determined that communication function is normal.Wherein:
RS485 communication detection: first presetting the baud rate of one group of RS485, is configured to the baud rate circulation of RS485, works as matching
To the correct baud rate of ammeter, communication just can be carried out, obtain ammeter information；RS485 line is connected with ammeter and PDA device,
In conjunction with 645 agreements, the logic that frame is parsed to send and receive frame is write, to get the information of ammeter.It is successfully examined if returned
The baud rate of survey, time, table address.Illustrate the success of RS485 communication detection；So that it is determined that communication function is normal；
The detection of S232 carrier communication: this communication function needs first to set electric meter address, just can be carried out communication, communicates thinking and tool
Body is realized similar with infrared and RS485 communication.
Data storage and deriving method are to be carried out secondary encapsulation using OrmLite database framework, realized the automatic of data
Storage, data analysis, automatic inquiry obtain data, automatically derived result function；Staff can pacify according to the actual situation
The file of this week or this month automated back-up are weekly or monthly transferred on external mobile alternate device by row, and can be carried out at any time
The clearing function of issue evidence；User can enter all data that data storage cell checks ammeter；Other function mould in equipment
Block can directly transfer related data use from data.
Fault judgment method includes all fault detections of ammeter, is divided into appearance fault diagnosis and data fault diagnosis two
Class；Appearance fault diagnosis, according in JJG596-2012 " electronic electric energy meter Calibration Technology regulation " about electric energy meter macroscopic examination
Content is operated.Fault type includes: cosmetic damage, connecting terminal damage, the damage of burning table, key, display failure.By user
After watching ammeter, breakdown judge is carried out；Data fault judgement: the good communication channel of user setting selects correct ammeter type, point
Data fault diagnosis is hit, all data of ammeter can be obtained automatically, the data read are analyzed and determined, if event occur
Barrier, if there is corresponding failure, the type of meeting automatic identification failure carries out different flow processings.Such as: wiring faults,
It can automatically prompting user progress route investigation；There is exception in data, and meeting automatically prompting user carries out changing table flow processing, generation pair
The work order answered, the work order that will fill in data are uploaded to marketing management system；
The data that fault diagnosis functions can be got include (upper 62 light freezing data in electric energy meter；Upper 12 clearing in electric energy meter
Day freezing data；Each forward and reverse data of tariff period electricity of electric energy meter；The forward and reverse data of electric energy meter split-phase electricity；Electric energy meter combination
Idle 1,2 electricity datas；The positive active maximum demand of 12 account day split-phases on electric energy meter；12 account day split-phases are positive on electric energy meter
Moment occurs for active maximum demand；Electric energy meter active reporting status word (only limits 2013 specification electric energy meters)；Electric energy meter operating status
Word (4,5,6,7)；Electricity price, rate (only limiting local charge control table)；Electric energy meter transient data；Electric energy meter resets record；Electric energy meter is compiled
Cheng Jilu；Electric energy meter game clock lid number；Electric energy meter opens terminal cover).
Electricity, which is mutated judgment method, to be judged all data, when the Data Identification determined meets electricity mutation
Rule of judgment, will do it judgement, if upper (1) 62 next day freezes electricity, latter day table code is less than proxima luce (prox. luc) table code or latter
Day table code subtracts proxima luce (prox. luc) table code and is then determined as that daily electricity is mutated greater than Umax*Imax*24h.(2) it reads and freezes electricity nearest December
Amount, latter menology code is less than previous menology code or latter menology code subtracts previous menology code greater than the Umax*Imax* current hour moon
Number is then determined as a moon electricity mutation.(3) data messy code in electric energy meter: there are 16 systems and 10 systems for electric energy meter store data inside
Data and deposit cash as.
The overproof judgment method of combined error include each charge rate electric energy meter electric flux accumulated value with the error between total electricity with
And the error between the accumulated value total electricity of three-phase electric energy meter split-phase electric flux is all larger than standard requirements.Specifically including present combination has
Function error is overproof, the current active combined error of forward direction is overproof, current reversed active combined error is overproof, current group electricity error
It is overproof.The total electric energy indicating value combined error algorithm of register are as follows:
Wherein: △ WD is the electric energy increment of the total electric energy counter of electronic console in the time；
△ WD1, △ WD2 ... △ WDn is the electric energy increment of the corresponding counter of each tariff period in the time；
N is rate number；
β --- the total electric energy counter decimal digits of electronical display.
Metering performance fault judgment method can be identified in electric energy meter and simply measure in acquisition table after secondary sources
Performance class failure, including following phenomenon of the failure: error is overproof, indicating value is inaccurate.Each phenomenon of the failure is specifically defined are as follows:
1) the overproof error in specification error test point for indicating tested electric energy meter of error is greater than the deviation of prescribed by standard, specifically
The limits of error requires to be detailed in Q/GDW 1364-2013 " single-phase intelligent electric energy meter technical specification ", Q/GDW 1827-2013 " three-phase intelligence
Energy electric energy meter technical specification ".Algorithm are as follows: U0≤ 115%Un
Wherein: U0, for the instantaneous voltage value in the time, in electric energy meter；
Un, in the time, the load voltage value of electric energy meter；
2) value is inaccurate indicates that tearing back the electrical parameter data that electric energy meter measures open is not allowed, specifically reversed, the idle function comprising active power
Rate is reversed, voltage indicating value is inaccurate, electric current indicating value is inaccurate, power indicating value is inaccurate, power factor indicating value is inaccurate.
Wiring faults judgment method is to obtain secondary sources in ammeter, is judged associated connections in electric energy meter:
1) three-phase and four-line wiring judges, single-phase power definition:
Wherein: PA,B,CFor A, B, the active power of C three-phase；
UA,B,CFor A, B, the voltage of C three-phase；
IA,B,CFor A, B, the electric current of C three-phase；
For A, B, the power factor of C three-phase；
Electric current is used as available point into Table I > 0.5A or more, carries out judgement below:
Active power, reactive power are all positive in any phase of a, and the power factor that every phase measures is greater than 0.866, proves wiring just
Really；
B has that a phase, active power, reactive power are all negative in two-phase and three-phase, and the power factor that every phase measures is greater than
0.866, then illustrate that the phase current inlet-outlet line wrong, such as A phase active power and A phase reactive power are negative, just illustrates A phase current
Inlet-outlet line wiring error；
The power factor that active power, reactive power are all negative in c three-phase and every phase measures then illustrates three-phase phase-sequence less than 0.5
Mistake；Adjustment three-phase voltage phase sequence adjusts clockwise, i.e., ABC is changed to BCA；
Active power, one phase of reactive power, two-phase are negative in d three-phase, other are all just and the power factor that measures of every phase is less than
0.5, such as: B phase active power, reactive power are positive, and A, C phase active power, reactive power symbol are negative, then illustrate three-phase phase
Sequence mistake and electric current wiring error, adjustment；Three-phase voltage phase sequence adjusts clockwise, i.e. ABC is changed to BCA, and the disengaging of B phase current
Line reversal connection；
Mono- phase active power of e, reactive power are all negative, the function that phase active power is negative, reactive power is positive and two-phase measures
Rate factor is less than 0.866；Such as: B phase active power, reactive power are all negative and C phase active power is negative, and reactive power is
Just；Then illustrate: B phase, C phase connection intersect, adjustment: can the exchange of B, C phase voltage inlet wire or the exchange of B, C phase current inlet wire；
Mono- phase active power of f, reactive power are all negative, the function that phase active power is positive, reactive power is negative and two-phase measures
Rate factor is less than 0.866；Such as: B phase active power, reactive power are all negative and C phase P is positive, and Q is negative；B phase, C phase connection
Intersect and C phase current inlet-outlet line is reversely connected, adjustment: the exchange of B, C phase voltage inlet wire and the exchange of C phase current inlet wire；
The power factor that active power is negative in g three-phase, reactive power is positive and every phase measures is greater than 0.5 and less than 0.866
(general) then illustrates three-phase phase-sequence mistake, and adjustment: three-phase voltage phase sequence adjusts clockwise, i.e., ABC is changed to CAB；
A phase, two-phase active power are negative in h three-phase, reactive power is positive, other are active power is positive, reactive power is negative
And the power factor that measures of every phase is greater than 0.5 and less than 0.866 (general), such as: A, B phase active power be negative, idle function
Rate is positive, and C phase active power is positive, reactive power is negative, then illustrates three-phase phase-sequence mistake and electric current wiring misses, adjustment: three-phase
Voltage phase sequence adjusts clockwise, i.e. ABC is changed to CAB, and the inlet-outlet line reversal connection of C phase current；
2) phase three-wire three wiring judges
Following judgment methods with the wiring of B phase voltage correctly and.Single-phase power factor is greater than based on 0.866.
According to wanting for " voltage transformer secondary side should having some reliable grounds, to guarantee the safety of instrumentation and staff "
It asks, B phase voltage is usually grounding point, it is possible to easily determine B phase connection correctness.Power definition:
A A phase active power, reactive power are all positive, C phase active power is positive, reactive power is negative and: A phase power factor is big
In 0.5 and being greater than 0.866 and less than 1 less than 0.866, C phase power factor；Then illustrate that wiring is correct；
B A phase active power, reactive power are all positive, and C phase active power is negative, reactive power is positive or A phase active power, nothing
Function power is all negative, and C phase active power is positive, reactive power is negative, and: A phase power factor is greater than 0.5 and less than 0.866,
C phase power factor is greater than 0.866 and less than 1；Then illustrate that A phase current inlet-outlet line is reversed or C phase current inlet-outlet line is reversed；It adjusts
Whole: A phase current inlet-outlet line exchanges or C phase current inlet-outlet line exchanges；
C A phase active power is positive, reactive power is negative, and C phase active power is negative, reactive power is positive, and: A, C phase power
Factor is less than 0.5；Then illustrate: A, C biphase current wrong, adjustment: A, C biphase current intersects；
D A phase active power is negative, reactive power is positive, and C phase active power is negative, reactive power is positive or A phase active power
Be positive, reactive power is negative, C phase function power is positive, reactive power is negative, and: A, C phase power factor is less than 0.5；Then illustrate A,
C biphase current wrong and A phase current inlet-outlet line is reversed or C phase current inlet-outlet line is reversed, adjustment: A, C biphase current intersects and A phase
Electric current inlet-outlet line exchanges or C phase current inlet-outlet line exchanges；
E A phase active power is negative, reactive power is positive, and C phase active power is positive, reactive power is negative, and: A, C phase power
Factor is less than 0.5；Then illustrate phase sequence mistake, adjust: A, C phase voltage is exchanged.
Event fault judgment method is to transfer electric energy meter operating status word (4,5,6,7) in table, respectively to decompression, defluidization etc.
Corresponding states word displacement situation is differentiated (corresponding status word becomes 1).
1) anomalous event breakdown judge
For the fault verification of electric energy meter decompression, while meeting following two condition: 1. in electric energy meter operating status word (4,5,6)
The displacement of bit 0 is 1；2. there is the loss pressure time to be greater than 10000min；Decide that decompression occurs in the electric energy meter.
For the fault verification of electric energy meter defluidization, while meeting following two condition 1. in electric energy meter operating status word (4,5,6)
The displacement of bit 3 is 1, and electric energy meter defluidization time started and end time are included in electric energy, and table is opened when starting in terminal cover record
Between in the end time；It is determined that there is defluidization in electric energy meter.
2) clock unit breakdown judge function
Intelligent electric energy meter fault diagnosis scheme obtains active reporting word in electric energy meter, determines clock of power meter unit class failure, packet
Include following phenomenon of the failure: period transcription error, clock error.Each phenomenon of the failure is specifically defined are as follows:
(1) period transcription error indicates that electric energy meter to be sorted operates in the tariff period of mistake, judge incorrectly comprising time-piece,
When segment table misjudgment, current rate mistake.
Judgment basis is as follows:
Ammeter operating status word 3 (currently running time zone), the current operation time-piece of theory calculated with the preset parameter of PDA into
Row compare, judge time-piece whether mistake.
Ammeter operating status word 3 (current run the period), the current run the period table of theory calculated with the preset parameter of PDA into
Row compares, and segment table judges incorrectly when judging.
The tariff period being arranged in ammeter, is compared with the preset parameter of PDA, judge current rate whether mistake.
(2) clock error indicates that the present clock of electric energy meter to be sorted is inconsistent with standard time clock, transfinite comprising clock jitter, when
Clock messy code.
Judgment basis is as follows:
Reading power meters date-time is compared with system time, and error time should not exceed 5 minutes
Reading power meters operating status word 1, bit15 1, then clock messy code.The reading power meters time, whether judge block pattern
Non-temporal format.
3) power supply unit failure
Intelligent electric energy meter fault diagnosis scheme can judge electric energy meter electric source cell failure, mainly judge battery undervoltage.Failure is existing
As being specifically defined are as follows: battery undervoltage indicates that the cell voltage of tested electric energy meter is too low, and comprising Clock battery, under-voltage, meter reading battery is owed
Pressure.
Judgment basis is as follows:
Ammeter operating status word 1 is read, bit2 1, then Clock battery is under-voltage.
Read ammeter operating status word 1, bit3 1, then meter reading battery undervoltage.
Fault judgment method to be rechecked is actively to propose following electric energy meter wait recheck application:
1) detection project for needing to match with marketing system data, such as Biao Neifei control cell failure and the abnormal event of logout
Barrier；
2) scene clear failure electric energy meter, and failure cause reason and caused by influence the electric energy meter that need to be further processed.
Expense control cell failure judgment method be the electricity charge are reduced exception, supplement with money unsuccessfully, authentication failure, control loop it is wrong
The failures such as mistake are judged.
1) residual amount that abnormal expression electric energy meter is reduced in the electricity charge, which is deducted fees, is abnormal, and is suitable for local charge control electric energy meter.Including
Exception is reduced in the rate electricity charge, exception is reduced in the ladder electricity charge.User institute alternating current in remaining electric charge, with marketing system in artificial reading table
Expense is verified.
2) supplementing with money unsuccessfully indicates that electric energy meter to be sorted can not be supplemented with money normally, is suitable for local charge control electric energy meter.Including power purchase number
Mistake, family mistake, ESAM authentication error, plug-in card mistake.Artificial read in table is used in the data, with marketing system such as power purchase number
Family power purchase number is verified.
3) authentification failure indicates that electric energy meter to be sorted can not normal authentication.Including authentication failure, key state mistake.
Judgment method are as follows:
After authentication, remote recharge order is sent, receives communication response frame, is judged successfully or type of error.
After authentication, family number is first read, is judged whether correct.Then remote recharge order is sent, communication response frame is received, sentences
It is broken into function or type of error.
After authentication, remote recharge order is sent, receives communication response frame, is judged successfully or type of error.
After powering on, it is inserted into preset parameter card, manually visualizes and corresponding Err mark whether occurs.
After powering on, long-distance identity-certifying order is sent, judges whether success.
After powering on, key state word is read, judges whether key state word is formal key state.
4) the practical switching on state of control loop misrepresentation electric energy meter to be sorted and theoretical switching on state are inconsistent.Including drawing
"on" position is abnormal, it is abnormal to operate a switch, it is abnormal to close a floodgate.
Judgment basis are as follows:
After powering on, reading power meters status word 3 judges whether bit4 and bit6 is 0, and whether reading power meters electric current has electric current
Value, judges switching on abnormal state
Carry out operation of operating a switch, judge electric energy meter status word 3, whether bit4 and bit6 are 1, while reading power meters current value whether
It is 0, judges exception of operating a switch.
Carry out closing operation, judge electric energy meter status word 3, whether bit4 and bit6 are 0, while reading power meters current value whether
It is not 0, judges to close a floodgate abnormal.
Logout abnormal failure judgment method includes:
1) electric energy meter resets record (comprising all resetting data)；
All reset data in acquisition table, containing reset number, it is upper 10 times reset when time and electricity, judgment basis are as follows: its
Last time resets the meter calibrating entry time being later than in marketing archives the time, then determines that the electric energy meter occurs artificially at the scene
Clearing behavior；
2) electric energy meter programming record (including whole programming datas)；
Obtain whole programming datas, judgment basis in table are as follows: its last time programming time is later than the meter in marketing archives
Entry time is examined and determine, otherwise then determines that artificial programming behavior occurs at the scene in the electric energy meter；
3) electric energy meter game clock lid number (if obviously do not conformed to the actual conditions, being then classified as electric energy meter data fault)
Game clock lid in table is obtained all to record；Its judgment basis are as follows: 10 game clock lid time starteds and end time on electric energy meter
Interval is greater than 3s or the electric energy meter last time game clock lid time is later than the meter calibrating entry time in marketing archives, then determines
There is artificial game clock behavior at the scene in the electric energy meter；
4) electric energy meter opens terminal cover (comprising whole game clock lid data)
Biao Neikai terminal cover is obtained all to record；Its judgment basis are as follows:
It opens the terminal cover time started on electric energy meter for 10 times and end time interval is greater than 3s；
The electric energy meter last time game clock lid time should be later than the meter field installation time in marketing archives；
Electric energy meter open terminal cover start and end time interval in, lose flow phenomenon；
Then determine that artificial game clock behavior occurs at the scene in the electric energy meter；
Work order generation method uses intelligent processing, can automatically generate work order, Auto-writing ammeter information；Work as fault diagnosis
It is out of order, when failure is catastrophe failure, it is necessary to ammeter is replaced, user need to only fill the information of new ammeter and failure ammeter,
It clicks and generates work order, work order generation unit can make Excel table automatically, fill in ammeter information in table automatically；Finally will
Work order is uploaded to marketing management system.
Claims (1)
1. a kind of site intelligent electrical energy meter fault diagnostic method, it is characterised in that appearance fault recognition method including electric energy meter,
Communication fault detection method, data storage and deriving method, fault judgment method, electricity mutation judgment method, combined error are super
Poor judgment method, metering performance fault judgment method, wiring faults judgment method, event fault judgment method in table, wait recheck
Fault judgment method takes control cell failure judgment method, logout abnormal failure judgment method, work order generation method:
A. appearance fault recognition method is to be taken pictures by the camera of calling PDA to appearance failure bottom degree, will be on photograph
Reach metering marketing management system；Camera is directed at ammeter, the failure of automatic identification ammeter；Call probe automatic identification item
Code obtains data；
B. communication fault detection method is to select infrared, RS485, RS232 communication modes respectively, and corresponding channel is preset
Baud rate carries out cycle detection one by one, then the correct baud rate until being matched to ammeter is communicated；
C. data storage and deriving method are to be carried out secondary encapsulation using OrmLite database framework, realized the automatic of data
Storage, data analysis, automatic inquiry obtain data, automatically derived result function；
D. fault judgment method is divided into two class of appearance fault diagnosis and data fault diagnosis；
E. electricity mutation judgment method judges all data, when the Data Identification determined meets electricity mutation
Rule of judgment；
F. the overproof judgment method of combined error include each charge rate electric energy meter electric flux accumulated value between total electricity error and
Error between the accumulated value total electricity of three-phase electric energy meter split-phase electric flux is all larger than standard requirements；
G. metering performance fault judgment method is identified simple Targets in electric energy meter in acquisition table after secondary sources
Energy class failure, including error is overproof and indicating value is inaccurate；
H. wiring faults judgment method includes three-phase and four-line wiring judgement and phase three-wire three wiring judgement；
I. event fault judgment method is to transfer electric energy meter operating status word respectively to the corresponding states word such as decompression, defluidization in table
Displacement situation is differentiated；
J. fault judgment method to be rechecked is that the project actively matched to needs with marketing system data proposes Shen to be rechecked
Please；
K. expense control cell failure judgment method be the electricity charge are reduced exception, supplement with money unsuccessfully, authentication failure, control loop it is wrong
Accidentally judged；
L. logout abnormal failure judgment method is that record, electric energy meter programming record, electric energy meter game clock lid are reset to electric energy meter
The failure that number record, electric energy meter open terminal cover record is judged；
M. work order generation method is automatically generated work order, and Auto-writing ammeter information generates work order and makes Excel table automatically
Lattice fill in ammeter information in table automatically, work order are finally uploaded to marketing management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380662.4A CN110398708A (en) | 2018-04-25 | 2018-04-25 | A kind of site intelligent electrical energy meter fault diagnostic method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380662.4A CN110398708A (en) | 2018-04-25 | 2018-04-25 | A kind of site intelligent electrical energy meter fault diagnostic method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110398708A true CN110398708A (en) | 2019-11-01 |
Family
ID=68319933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810380662.4A Pending CN110398708A (en) | 2018-04-25 | 2018-04-25 | A kind of site intelligent electrical energy meter fault diagnostic method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110398708A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987129A (en) * | 2019-12-08 | 2020-04-10 | 怀化学院 | Ultrasonic intelligent water meter fault self-checking and processing system and method |
| CN111210034A (en) * | 2020-01-07 | 2020-05-29 | 南京天溯自动化控制系统有限公司 | Abnormal information processing method of intelligent electric meter, computer equipment and storage medium |
| CN111650549A (en) * | 2020-06-13 | 2020-09-11 | 国网宁夏电力有限公司营销服务中心(国网宁夏电力有限公司计量中心) | On-site ammeter fault identification method and mobile device readable storage medium |
| CN113125443A (en) * | 2021-04-19 | 2021-07-16 | 广东电网有限责任公司计量中心 | Electric energy meter detection system |
| CN113281696A (en) * | 2021-04-29 | 2021-08-20 | 煜邦电力智能装备(嘉兴)有限公司 | Carrier interface state detection device and method for three-phase electric energy meter and concentrator |
| CN113327494A (en) * | 2021-07-06 | 2021-08-31 | 国网上海市电力公司 | Single-three-phase electric energy meter simulation method |
| CN113419206A (en) * | 2021-05-27 | 2021-09-21 | 国网山东省电力公司青岛供电公司 | Three-phase three-wire electric energy meter wiring judgment method, electric energy meter and equipment |
| CN113655427A (en) * | 2021-09-09 | 2021-11-16 | 国网上海市电力公司 | Automatic fault reporting method and system for metering equipment |
| CN114035147A (en) * | 2022-01-10 | 2022-02-11 | 山东省计量科学研究院 | Intelligent electric meter remote online control method and system and storable medium |
| CN114596662A (en) * | 2022-03-08 | 2022-06-07 | 昂顿科技（上海）有限公司 | Multifunctional meter |
-
2018
- 2018-04-25 CN CN201810380662.4A patent/CN110398708A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987129A (en) * | 2019-12-08 | 2020-04-10 | 怀化学院 | Ultrasonic intelligent water meter fault self-checking and processing system and method |
| CN111210034A (en) * | 2020-01-07 | 2020-05-29 | 南京天溯自动化控制系统有限公司 | Abnormal information processing method of intelligent electric meter, computer equipment and storage medium |
| CN111650549A (en) * | 2020-06-13 | 2020-09-11 | 国网宁夏电力有限公司营销服务中心(国网宁夏电力有限公司计量中心) | On-site ammeter fault identification method and mobile device readable storage medium |
| CN113125443A (en) * | 2021-04-19 | 2021-07-16 | 广东电网有限责任公司计量中心 | Electric energy meter detection system |
| CN113281696A (en) * | 2021-04-29 | 2021-08-20 | 煜邦电力智能装备(嘉兴)有限公司 | Carrier interface state detection device and method for three-phase electric energy meter and concentrator |
| CN113419206A (en) * | 2021-05-27 | 2021-09-21 | 国网山东省电力公司青岛供电公司 | Three-phase three-wire electric energy meter wiring judgment method, electric energy meter and equipment |
| CN113327494A (en) * | 2021-07-06 | 2021-08-31 | 国网上海市电力公司 | Single-three-phase electric energy meter simulation method |
| CN113655427A (en) * | 2021-09-09 | 2021-11-16 | 国网上海市电力公司 | Automatic fault reporting method and system for metering equipment |
| CN114035147A (en) * | 2022-01-10 | 2022-02-11 | 山东省计量科学研究院 | Intelligent electric meter remote online control method and system and storable medium |
| CN114596662A (en) * | 2022-03-08 | 2022-06-07 | 昂顿科技（上海）有限公司 | Multifunctional meter |
| CN114596662B (en) * | 2022-03-08 | 2022-12-13 | 昂顿科技（上海）有限公司 | Multifunctional meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110398708A (en) | A kind of site intelligent electrical energy meter fault diagnostic method | |
| US20200124683A1 (en) | Electric power distribution system including metering function and method of evaluating energy metering | |
| CN102928809B (en) | Electric energy metering device remote monitoring diagnostic system and working method thereof | |
| CN103646468B (en) | The metering and billing system of electric automobile wireless charging and electric energy metrical charging method | |
| BRPI1105842B1 (en) | secondary distribution network control, measurement and monitoring system and process with detection of fraud and theft of electricity | |
| CN102419903B (en) | Semiautomatic meter reading device and meter reading method thereof | |
| CN109298379A (en) | A kind of recognition methods of the intelligent electric meter site error exception based on data monitoring | |
| MX2010012327A (en) | Individualized self-monitoring system for transformers in power measurement installations and method of self-monitoring and diagnosis of transformers in power measurement installations. | |
| CN205068599U (en) | One -phase fee -controlling intelligent electric energy meter | |
| CN112034260B (en) | Accurate analysis and anti-electricity-stealing accurate positioning method for low-voltage line loss of distribution transformer area | |
| CN202939301U (en) | Remote monitoring diagnosis system of electric energy metering device | |
| CN104635198A (en) | Remote monitoring and diagnosing method for electric energy metering device with timely fault finding function | |
| CN104678348A (en) | Remote monitoring and diagnosing method for electric energy metering device with high efficiency | |
| CN111027026A (en) | Meter reading data abnormity intelligent diagnosis system | |
| CN107079789B (en) | Well electricity double-control metering control device, method and system | |
| CN104181386A (en) | Single-phase fee charged intelligent ammeter | |
| CN111077463A (en) | Balanced maintenance system for online monitoring of storage battery | |
| CN113063997A (en) | Distribution transformer area line loss abnormity problem monitoring method | |
| CN104614700B (en) | Remote monitoring and diagnosing method for electric energy metering device with good real-time performance | |
| CN104656050B (en) | Manpower-saving remote monitoring and diagnosing method for electric energy metering device | |
| CN201464636U (en) | Detection device for network electric energy meter | |
| CN104656051B (en) | Remote monitoring and diagnosing method for electric energy metering device with good real-time performance | |
| CN109655681A (en) | A kind of substation and switchyard double measurement circuit method for detecting abnormality and system | |
| CN109243079A (en) | Pre-payment water meter system and pre-paying method based on Internet of Things | |
| CN111856385A (en) | Electric quantity sudden change fault detection method, device and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191101 |