CN107703476A - A kind of method for carrying out three-phase intelligent electric-energy meter fault self-checking in erecting bed - Google Patents
A kind of method for carrying out three-phase intelligent electric-energy meter fault self-checking in erecting bed Download PDFInfo
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Abstract
A kind of method for carrying out three-phase intelligent electric-energy meter fault self-checking in erecting bed,It is characterized in,Including detecting infrared self-checking command,Electric energy meter current time self-test,Calibration parameter self-test,Dispatch from the factory error curve self-test,Software and hardware version self-test,Configuration parameter self-test,Electric price parameter self-test,Electric energy measurement data self-test,Requirement data self-test,Load curve data self-test,Freeze class data self-test,Game clock lid event self-test,This month rate of qualified voltage self-test,Newest programmed events self-test,Illegal plug-in card event self-test,Electric energy table location information self-test,LCD shows self-test,Alarm relay self-test,FRAM ferroelectric memory self-tests,Eeprom memory self-test,FLASH memory self-test,Load switching circuit self-test,Real time clock circuit self-test,Communication module self-test,Metering circuit self-test,ESAM security module self-tests,6V meter reading battery self-inspections,3.6V Clock battery self-tests,Circulation shows self-detection result and returns to normal major cycle.
Description
Technical field
The invention belongs to intelligent grid Electric Energy Metering Technology field, is that one kind carries out three-phase intelligent electric-energy meter in erecting bed
The method of fault self-checking.
Background technology
Intelligent electric energy meter has spread to huge numbers of families, and it is larger to be mostly installed at power consumption for wherein three-phase intelligent electric-energy meter
Industry and commerce large user.With transformation of the electricity market from seller's market to buyer's market, the economic benefit of power department will be more
More to depend on the careful degree to being managed for each link of electricity consumption, wherein, strengthen to industry and commerce large user electricity consumption scene
Management is one of effective way for improving economic operation level；And the industry and commerce large user then quality to intelligent electric energy meter and power supply
Quality proposes higher requirement.At present, three-phase intelligent electric-energy meter is if there is failure, and only a small number of failures can be by electricity consumption
Management system is identified, or administrative department's discovery is powered in investigating at the scene；There is an other three-phase intelligent electric-energy meter to send out
Raw failure, but can not be found by cruising personnel, also going to work braving one's illness so far, causing electric energy measurement data abnormal, electricity price is deducted fees
The problems such as abnormal.For the three-phase intelligent electric-energy meter to break down, even if intelligent electric energy meter producer technical staff reaches the spot,
Erecting bed is difficult fast and accurately to the conclusion that is out of order, it is necessary to Chai Biaohoufan factories, by various in intelligent electric energy meter producer
Tester, software, developing instrument can just find failure cause.The normal electricity consumption of industry and commerce large user was so both have impact on, again
Considerably increase the cost of power supply management department and intelligent electric energy meter producer.There is presently no one kind to be applied to three-phase intelligent electric energy
Table is reliable, high speed, fault self-detection method that scene is online.
The content of the invention
The technical problems to be solved by the invention are, for scene operation three-phase intelligent electric-energy meter can not independently it is quick,
Accurately find failure problems, there is provided a kind of method for carrying out three-phase intelligent electric-energy meter fault self-checking in erecting bed, its profit
With the existing infrared palm machine of power supply management department, self-test order is sent after safety certification, it is existing in three-phase intelligent electric-energy meter installation
, being capable of simple, quick, comprehensive software and hardware progress fault self-checking to three-phase intelligent electric-energy meter.
The technical scheme for solving the use of its technical problem is, a kind of that three-phase intelligent electric-energy meter failure is carried out in erecting bed certainly
The method of inspection, it is characterized in that, it is included in " soft " self-test and three-phase intelligent electric-energy meter of three-phase intelligent electric-energy meter internal data
Peripheral hardware " hard " self-test of portion in addition to MCU, specifically comprises the following steps：
Step 100：Infrared self-checking command is detected after infrared safety certification, three-phase intelligent electric-energy meter controller MCU detects red
For the safety certification of outer palm machine by rear, whether judgement subsequently has self-test order, if self-test order, carries out step 101, does not have
Self-test order is returned to the normal major cycle of step 129；
Step 101：Electric energy meter current time self-test, the CRC check self-test of time data in RAM is first carried out, when reading outside afterwards
The real-time time of clock module, whether detection external clock module time is more than 5 seconds with the difference of RAM times, current and follow-up
Self-test step in, then record failure code if any abnormal, self-test in the LCD screen of three-phase intelligent electric-energy meter shows failure after terminating
Information；
Step 102：Calibration parameter self-test, read the metering calibration parameter in memory and its CRC check and carry out metering calibration
The CRC check self-test of parameter；
Step 103：Dispatch from the factory error curve self-test, read dispatching from the factory in memory and error curve and CRC check and start mistake of dispatching from the factory
The CRC check self-test of poor curve data；
Step 104：Software and hardware version self-test, read the software version information and hardware version letter of the solidification of dispatching from the factory in memory
Breath, and corresponding CRC check and beginning CRC check self-test；
Step 105：Configuration parameter self-test, read in memory, the time-piece of configuration of dispatching from the factory, when segment table, ladder table, the aobvious item of circulation
List, button display items list parameter and corresponding CRC check and beginning CRC check self-test；
Step 106：Electric price parameter self-test.The rate electricity price data in memory, step price data are read, voltage transformer becomes
Than, current transformer ratio and corresponding CRC check and start CRC check self-test；
Step 107：Electric energy measurement data self-test, the electric energy measurement data that will be stored in RAM, current active positive electric energy number
According to：Total electric energy and rate 1, the energy value of rate 2, rate 3, rate 4；Current active reverse energy data：Total electric energy and take
The energy value of rate 1, rate 2, rate 3, rate 4；When previous quadrant, two quadrant, three quadrants, four-quadrant reactive energy data：
Total electric energy and rate 1, rate 2, rate 3, the energy value of rate 4, and the electric energy measurement data of A phase, B phase, C phase split-phase electric energy and
Its corresponding CRC check and reading start CRC check self-test processing；
Step 108：Requirement data self-test, the requirement data that will be stored in RAM and are taken such as current positive active total maximum demand
The maximum demand of rate 1,2,3,4, current reversely active total maximum demand and the maximum demand of rate 1,2,3,4, when it is previous, two, three,
At requirement data and its corresponding CRC checks such as the idle total and electric energy of rate 1,2,3,4 of four-quadrant and beginning CRC check self-test
Reason；
Step 109：Load curve data self-test, read the load curve recording indexes form in memory, and its CRC check
With beginning self-test processing；
Step 110：Freeze class data self-test, read each indexed table for freezing class data in memory, and its CRC check
Handled with self-test is started；
Step 111：Game clock lid event self-test, read the indexed table of the game clock lid logout in memory, and its CRC check
With start checking treatment, data check by when, then according to index record, the last game clock lid time is read from memory,
After whole self-tests terminate, when self-detection result is shown, the last game clock lid time is shown, prompts possible illegal game clock lid
Malignant event occurs；
Step 112：This month rate of qualified voltage self-test, the indexed table of this month rate of qualified voltage record in memory is read, and
Its CRC check and beginning self-test processing, data self-test pass through, then according to index record, it is qualified to read this month voltage from memory
Rate, after whole self-tests terminate, when self-detection result is shown, show this month rate of qualified voltage, the true power supply matter for reflecting this month
Amount；
Step 113：Newest programmed events self-test, read the indexed table of the newest programmed events record in memory, and its CRC
Verification and beginning CRC check self-test, if data CRC check self-test passes through, according to index record, read from memory nearest
One-time programming Time To Event, after whole self-tests terminate, when self-detection result is shown, the last programming time is shown,
Possible illegal programmed events are prompted to occur；
Step 114：Illegal plug-in card event self-test, read the indexed table of the illegal plug-in card logout in memory, and its CRC
Verification and beginning checking treatment, data check pass through, then according to index record, read illegal plug-in card event from memory and occur always
Number, after whole self-tests terminate, when self-detection result is shown, show that total degree occurs for illegal plug-in card event, prompt possible
Doubtful stealing occurs；
Step 115：Electric energy table location information self-test, read the electric energy meter geographical position latitude and longitude information in memory, and its CRC
Verification and beginning self-test processing；
Step 116：LCD shows self-test, the lcd screen of electric energy meter show show 10 seconds entirely after, numerical portion starts animation and shown：
00000000th, 11111111,22222222 ..., 99999999,00000000 ..., often screen display 0.5 second, constantly circulation are aobvious
Show, so live power supply department attendant can easily have found all fields of LCD, the display of symbol shows failure, self-test
When being fully completed, animation display stops, then shows other self-detection results；
Step 117：Alarm relay self-test, sending filter controlling alarm instruction, if alarm relay will normally be sent
Ring tone, if alarm relay breaks down, no sound is sent；
Step 118：FRAM ferroelectric memory self-tests, all numbers in real time of three-phase intelligent electric-energy meter are preserved in FRAM ferroelectric memorys
According to RAM data synchronized update, its life-span is more than 10,000,000,000 times, and response is rapid, to blank page elder generation write-in characteristic data during self-test,
After read byte-by-byte Inspection, obtain the hardware check result of FRAM ferroelectric memorys；
Step 119：Eeprom memory self-test, all freezing datas, various logouts are mainly preserved in eeprom memory
Data, to blank page elder generation write-in characteristic data during self-test, then byte-by-byte Inspection is read, obtain the hardware of eeprom memory
Self-detection result；
Step 120：FLASH memory self-test, FLASH memory mainly preserve six type load curve numbers of three-phase intelligent electric-energy meter
According to, to blank page elder generation write-in characteristic data, then byte-by-byte Inspection is read during, self-test, obtain the hardware of FLASH memory from
Examine result；
Step 121：Load switching circuit self-test, i.e. relay switch hardware check, relay switch can control leading to for user
Electricity, power-off, first send order of operating a switch during self-test, and relay switch response under normal circumstances is operated a switch after order, user's power-off, intelligence
The indicator lamp of operating a switch of electric energy meter is lighted；After send reclosing command, under normal circumstances relay switch response close a floodgate order after, user
It is powered, the indicator lamp extinguishing of operating a switch of intelligent electric energy meter；
Step 122：Real time clock circuit self-test, all control registers of external hardware clock chip are first read during self-test,
It is normally no to verify controller register value, then reads real-time time, whether check analysis real-time time data are legal, obtain certainly
Examine result；
Step 123：Communication module self-test, communication module can carry power line carrier module, broadband power line carrier module,
GPRS module, micro power radio module, the instruction of read module configuration information is sent during self-test, communication module can be returned and matched somebody with somebody when normal
Confidence ceases；
Step 124：Metering circuit self-test, function of measuring are the most basic function and most important functions of three-phase intelligent electric-energy meter,
It is whether unimpeded that metering MCU company-information verification communication interface is first read during self-test, then reads all calibration parameters and verification
With to RAM, the verification of data self-test, then the same byte-by-byte verification of calibration parameter being stored in eeprom memory are first done；
Step 125：ESAM security module self-tests, ESAM security modules are the cores of three-phase intelligent electric-energy meter safety certification, are read
ESAM version information compares with the ESAM Backup Datas being stored in eeprom memory, completes self-test operations；
Step 126：6V meter reading battery self-inspections, 6V batteries mainly complete power cut-off recording function and real time clock circuit power supply, self-test
Shi Qidong AD conversion, continuous 10 AD sampled values for obtaining 6V cell voltages, remaining numerical value after maximum, minimum value removal is taken
Voltage of the average value as 6V batteries, work total time, judge whether under-voltage in conjunction with the 6V batteries of reading；
Step 127：3.6V Clock battery self-tests, 3.6V batteries mainly maintain real time clock circuit function of supplying power, start during self-test
AD conversion, continuous 10 AD sampled values for obtaining 3.6V cell voltages, remaining numerical value after maximum, minimum value removal is averaged
It is worth the voltage as 3.6V batteries, works total time, judge whether under-voltage in conjunction with the 3.6V batteries of reading；
Step 128：Circulation shows self-detection result, and by self-detection result, scene is shown to by the LCD circulations of three-phase intelligent electric-energy meter
Patrolman watches, and follows aobvious 5 minutes total times；
Step 129：Normal major cycle is returned to, self-test terminates, and returns to normal major cycle, returns to normal operating conditions.
A kind of method for carrying out three-phase intelligent electric-energy meter fault self-checking in erecting bed of the present invention, by means of power supply management
The infrared palm machine of department sends self-test order：First, infrared communication, scene does not have to wiring；Second, the intelligence of power supply management department
The energy special infrared palm machine of electric energy meter, the palm machine has the safety chip ESAM of the close SM1 algorithms of state, inside three-phase intelligent electric-energy meter
Also there is the safety chip ESAM of the same close SM1 algorithms of state, the infrared authentication operation of highest safe class can be carried out,
So that processing safety obtains reliable guarantee；3rd, infrared self-test message is set form data frame, in infrared palm machine directly
Click on and send, it is not necessary to other any settings, it is simple to operate；4th, whole process of self-test only needs 60 seconds, rapidly and efficiently；
5th, self-test is comprehensive, " soft " data fault self-test, " hard " peripheral components fault self-checking；6th, self-test cost is zero, is only
Three-phase intelligent electric-energy meter software increases the software processing flow of a self-test, is increased without any hardware.Three-phase intelligent electric-energy meter
The automatic fault detection work of software data and peripheral hardware can be completed after self-test order in 60 seconds by receiving, after will detection knot
Fruit is shown on the LCD display of three-phase intelligent electric-energy meter, the failure for prompting the current three-phase intelligent electric-energy meter of user to occur in itself,
And the important electricity consumption data such as important event of failure occurred in history, power supply management department can be caused to quickly find failure original
Cause, fix a breakdown at once.The technical staff of intelligent electric energy meter producer can not use scene, only according to the event of live self-test
Hinder result, it is possible to instruct the electrician of power supply department to get started troubleshooting.So really user could be allowed to realize intelligence
" intelligence " of electric energy meter, power supply department and ammeter producer also can quickly problem analysis, solve problem.With self checking method science
Rationally, the advantages that simple applicable, quick, accurate, being capable of comprehensive software and hardware progress event to three-phase intelligent electric-energy meter
Hinder self-test.
Brief description of the drawings
Fig. 1 is a kind of method flow diagram that three-phase intelligent electric-energy meter fault self-checking is carried out in erecting bed of the present invention.
Embodiment
Reference picture 1, a kind of method for carrying out three-phase intelligent electric-energy meter fault self-checking in erecting bed of the invention, it includes
To the peripheral hardware " hard " inside " soft " self-test of three-phase intelligent electric-energy meter internal data and three-phase intelligent electric-energy meter in addition to MCU certainly
Inspection, specifically comprises the following steps：
Step 100：Infrared self-checking command is detected after infrared safety certification.In the erecting bed of three-phase intelligent electric-energy meter, use
The special infrared palm machine of intelligent electric energy meter of power supply administration, by infrared communication mode, initiate infrared safety certification application, three-phase intelligent
After electric energy meter receives infrared safety certification order, start the normal process according to safety certification, complete safety certification step by step
Checking work, after being proved to be successful, return to safety certification and give palm machine by information, palm machine by rear, is sent soft in safety certification
Part self-test order after three-phase intelligent electric-energy meter receives correct self-test command message, starts to start to three-phase intelligent electric-energy meter
Self-test handling process.If there is exception in process of self-test, then misregistration message code, remain after self-test terminates, display from
Prompting has corresponding failure when examining result.There is no the normal major cycle that self-test order is returned to step 129.
Step 101：Electric energy meter current time self-test.The whether legal of the time data in RAM in itself first detected, if deposit
More than December, more than 60 seconds, more than 24 hours, and there is the similar illegal numerical value such as 0A, it is ensured that time data is in itself
Numerical value is legal, the rear CRC check for judging time data and whether correct.Then read outside real time clock circuit it is real-time when
Between, equally to judge time data legitimacy.Whether the time difference for detecting outside real-time clock time afterwards with the RAM times is more than 5 seconds
More than, if greater than 5 seconds then generation time error message codes, remain after self-test terminates, prompting is sometimes when showing self-detection result
Between fault occur.
Step 102：Calibration parameter self-test.Read the calibration parameter in memory and its CRC check and first carry out calibration ginseng
Several CRC checks and self-test, it is rear to check that whether constant electric meter constant, fundamental current, ADC gain coefficients are the same as intelligence in calibration parameter
The basic parameter of electric energy meter is consistent.
Step 103：Dispatch from the factory error curve self-test.Read error curve when dispatching from the factory of the three-phase intelligent electric-energy meter in memory
And CRC check and, carry out calibration parameter CRC check and self-test, CRC check is qualified by illustrating table error when dispatching from the factory,
CRC check unsuccessfully illustrates that the table breaks down, it is necessary to renews table, the table needs to return factory's analysis.
Step 104：Software and hardware version self-test.Read the software solidified when dispatching from the factory of the three-phase intelligent electric-energy meter in memory
Version information and hardware revision information, and corresponding CRC check and the first CRC check and self-test of progress calibration parameter.After judge
Whether the soft communication agreement in software version information is DL/T 645-2007.
Step 105：Configuration parameter self-test.Respectively read memory in each factory set parameter and its CRC check and.
Segment table, public holiday arrange when segment table, second set of day when configuration parameter has first set time-piece, second set of time-piece, first set day
Table, automatic cycle show item list, the list of button circulation display items, decompression event judgment threshold, disconnected phase event judgment threshold, defluidization
Event judgment threshold.Each data are carried out with CRC check self-test processing respectively.
Step 106：Electric price parameter self-test.Read each electric price parameter and its CRC check and electric price parameter in memory
Have when protheca rate electricity price data, standby set rate electricity price data, when protheca step price data, standby set step price number
According to, voltage transformer no-load voltage ratio, current transformer ratio.Each data are carried out with CRC check self-test processing respectively.
Step 107：Electric energy measurement data self-test.Read memory in each electric energy measurement data and its CRC check and,
Electric energy measurement data has current active positive total electric energy and rate 1, rate 2, rate 3, the electric energy of rate 4；It is current active reverse
Total and rate 1, rate 2, rate 3, the electric energy of rate 4；When previous quadrant, two quadrant, three quadrants, four-quadrant idle total electricity
Energy and rate 1, rate 2, rate 3, the electric energy of rate 4；The split-phase electric energy measurement data of A phase, B phase, C phase.Each data are distinguished
Carry out CRC check self-test processing.
Step 108：Requirement data self-test.Read each requirement data and its CRC check and requirement data in memory
There are current positive active total maximum demand and rate 1, rate 2, rate 3, the maximum demand of rate 4；It is current reversely it is active it is total most
Big requirement and rate 1, rate 2, rate 3, the maximum demand of rate 4；When previous quadrant, two quadrant, three quadrants, four-quadrant it is idle
Total and rate 1, rate 2, rate 3, the maximum demand of rate 4.Each data are carried out with CRC check self-test processing respectively.
Step 109：Load curve data self-test.Read the load curve recording indexes form in memory, and its CRC schools
Test and carry out CRC check self-test processing.The nearest index record recorded in indexed table is judged afterwards, its address pointed to
Whether the border of FLASH memory is exceeded.
Step 110：Freeze class data self-test.Read each indexed table for freezing class data in memory, and its CRC
Verification and.Each data are carried out with CRC check self-test processing respectively.Judge each freeze class data nearest one respectively afterwards
Whether index record, its address pointed to cross the border.
Step 111：Game clock lid event self-test.Read the indexed table of the game clock lid logout in memory, and its CRC
Verification and.CRC check self-test processing is carried out to data.If data check from memory by according to index record, reading
The last game clock lid time, after whole self-tests terminate, when self-detection result is shown, the last game clock lid time is shown,
The possible illegal pernicious stealing event of game clock lid is prompted to occur.
Step 112：This month rate of qualified voltage self-test.Read the concordance list of this month rate of qualified voltage record in memory
Lattice, and its CRC check and.CRC check self-test processing is carried out to data.Data self-test is by then according to index record, from storage
Device reads this month rate of qualified voltage, after whole self-tests terminate, when self-detection result is shown, shows this month rate of qualified voltage, very
The power supply quality situation of real reflection this month.
Step 113：Newest programmed events self-test.The indexed table of the newest programmed events record in memory is read, and
Its CRC check and.CRC check self-test processing is carried out to data.Data check from memory by then according to index record, reading
The last programmed events time of origin is taken, after whole self-tests terminate, when self-detection result is shown, shows the last programming
Time, possible illegal programmed events are prompted to occur.
Step 114：Illegal plug-in card event self-test.The indexed table of the illegal plug-in card logout in memory is read, and
Its CRC check and.CRC check self-test processing is carried out to data.Data check from memory by then according to index record, reading
Total degree occurs for negated method plug-in card event, after whole self-tests terminate, when self-detection result is shown, shows illegal plug-in card event hair
Raw total degree, possible doubtful stealing is prompted to occur.
Step 115：Electric energy table location information self-test.The electric energy meter geographical position latitude and longitude information in memory is read, and
Its CRC check and.CRC check self-test processing is carried out to data.Electric energy meter geographical position latitude and longitude information combination power supply administration manages
The generalized information system of department, the position of all users of display of energy intuitive and convenient, regulation and control, O＆M for electric power system have huge work
With.
Step 116：LCD shows self-test.The lcd screen of three-phase intelligent electric-energy meter is shown to be shown 10 seconds entirely, is easy to live inspection
Look into personnel and intuitively find whether LCD has scarce stroke.Numerical portion starts animation and shown afterwards：00000000、11111111、
22222222nd ..., 99999999,00000000 ..., often screen display 0.5 second, so constantly circulation display, the power supply at scene
Department attendant can easily have found all fields of LCD, the display problem of symbol：Such as diplopia, scarce stroke, even pen is various aobvious
Show failure.The animation shows that process is continued for, and when self-test is fully completed, exits animation display pattern, starts display certainly
Examine result.
Step 117：Alarm relay self-test.The MCU active sending filter alarm commands of three-phase intelligent electric-energy meter, alarm
If relay will normally send ring tone, if alarm relay breaks down, no sound is sent.Site inspection
Personnel just can easily judge whether alarm relay is abnormal according to ring tone is whether there is.
Step 118：FRAM ferroelectric memory self-tests.All realities of three-phase intelligent electric-energy meter are preserved in FRAM ferroelectric memorys
When data with RAM data synchronized update, its life-span is more than 10,000,000,000 times, and response is rapid.Blank page, which is first write, during self-test currently has
Work(energy data block and its CRC check and, as characteristic, the rear data for reading write-in, carry out byte-by-byte Inspection, obtain
To the hardware check result of FRAM ferroelectric memorys.
Step 119：Eeprom memory self-test.All freezing datas, various events are mainly preserved in eeprom memory
Record data, blank page is first write during self-test current active energy data block and its CRC check and, as characteristic, after
The data of write-in are read, byte-by-byte Inspection is carried out, obtains the hardware check result of eeprom memory.
Step 120：FLASH memory self-test.Six type loads that FLASH memory mainly preserves three-phase intelligent electric-energy meter are bent
Line number evidence, blank page is first write during self-test current active energy data block and its CRC check and, it is rear to read as characteristic
Go out the data of write-in, carry out byte-by-byte Inspection, obtain the hardware check result of FLASH memory.
Step 121：Load switching circuit self-test.That is relay switch hardware check：Relay switch can control user
Energization, power-off, be three-phase intelligent electric-energy meter expense control function most critical device.The controller of three-phase intelligent electric-energy meter during self-test
MCU first sends order of operating a switch, and after order is operated a switch in relay switch response under normal circumstances, user powers off, the drawing of intelligent electric energy meter
Lock indicator lamp is lighted；The controller MCU of three-phase intelligent electric-energy meter sends reclosing command afterwards, and relay switch responds under normal circumstances
Close a floodgate after order, user is powered, the indicator lamp extinguishing of operating a switch of intelligent electric energy meter.Field check personnel is according to the true confession of user
Electricity, powering-off state, or the indicator lamp of operating a switch of three-phase intelligent electric-energy meter, it can just judge whether is relay switch in table easily
There is abnormal generation.
Step 122：Real time clock circuit self-test.The external that the real time clock circuit of three-phase intelligent electric-energy meter all uses
Hardware clock chip form, all control registers of external hardware clock chip are first read during self-test, verify controller afterwards
Register value is normally no, then reads real-time time, and whether check analysis real-time time data are legal, obtain self-detection result.
Step 123：Communication module self-test.Communication module can carry power line carrier module, broadband power line carrier
Module, GPRS module, micro power radio module etc., the instruction of read module configuration information, communication module when normal are sent during self-test
Configuration information can be returned, if time-out is unresponsive, 5 request commands are retransmitted, if unresponsive always, then it is assumed that communication module
It is abnormal.
Step 124：Metering circuit self-test.Function of measuring is the most basic function of three-phase intelligent electric-energy meter, is also most important
Function, metering MCU device ID is first read during self-test, to verify whether communication interface is unimpeded, reads all computation chips afterwards
Interior calibration parameter to RAM, after do the self-test verifications of data in computation chip, then reading and saving is in eeprom memory
Calibration parameter, the rear calibration parameter compared in eeprom memory and the calibration parameter whether complete one run in computation chip
Cause.
Step 125：ESAM security module self-tests.ESAM security modules are the cores of three-phase intelligent electric-energy meter safety certification,
The version information that ESAM is read during self-test compares with the ESAM Backup Datas being stored in eeprom memory, completes self-test behaviour
Make.
Step 126：6V meter reading battery self-inspections.6V batteries mainly complete power cut-off recording function and real time clock circuit power supply,
Start AD conversion during self-test, rear continuous 10 AD sampled values for obtaining 6V cell voltages, after maximum, minimum value are remained after removing
The voltage that remainder values are averaged as 6V batteries, judge whether under-voltage.
Step 127：3.6V Clock battery self-tests.3.6V batteries mainly maintain real time clock circuit function of supplying power, during self-test
Start AD conversion, rear continuous 10 AD sampled values for obtaining 3.6V cell voltages, after maximum, minimum value are removed after remainder
The voltage that value is averaged as 3.6V batteries, finally judge whether under-voltage.
Step 128：Circulation shows self-detection result.By self-detection result, it is shown to by the LCD circulations of three-phase intelligent electric-energy meter
Scene inspection personnel watch, and follow aobvious 5 minutes total times.
Step 129：Return to normal major cycle.Self-test terminates, and returns to normal major cycle, returns to normal operating conditions.
So far all self-test operations are had been completed, by the abnormal results of above self-test, pass through three-phase intelligent electric-energy meter
LCD display circulation be shown to scene inspection personnel viewing, report self-detection result, live inspection personnel shows according to LCD
Shield each failure code of display, can just analyze situation of live three-phase intelligent electric-energy meter itself easily, source can be done easily
Manage conclusion.
After self-detection result, which circulates, shows 2 cycles, the controller MCU of three-phase intelligent electric-energy meter, self-test processing stream is exited
Journey, restoring scene operational factor, after return to normal major cycle, continue normal operating conditions.
Embodiments of the present invention are simultaneously not restricted to the described embodiments, other any Spirit Essences without departing from the present invention
With made under principle change, modification, replacement, combine, simplification, should be equivalent substitute mode, be included in the present invention's
Within protection domain.
Claims (1)
1. a kind of method for carrying out three-phase intelligent electric-energy meter fault self-checking in erecting bed, it is characterized in that, it is included to three-phase intelligence
Peripheral hardware " hard " self-test inside " soft " self-test of energy electric energy meter internal data and three-phase intelligent electric-energy meter in addition to MCU, specifically
Comprise the following steps：
Step 100：Infrared self-checking command is detected after infrared safety certification, three-phase intelligent electric-energy meter controller MCU detects red
For the safety certification of outer palm machine by rear, whether judgement subsequently has self-test order, if self-test order, carries out step 101, does not have
Self-test order is returned to the normal major cycle of step 129；
Step 101：Electric energy meter current time self-test, the CRC check self-test of time data in RAM is first carried out, when reading outside afterwards
The real-time time of clock module, whether detection external clock module time is more than 5 seconds with the difference of RAM times, current and follow-up
Self-test step in, then record failure code if any abnormal, self-test in the LCD screen of three-phase intelligent electric-energy meter shows failure after terminating
Information；
Step 102：Calibration parameter self-test, read the metering calibration parameter in memory and its CRC check and carry out metering calibration
The CRC check self-test of parameter；
Step 103：Dispatch from the factory error curve self-test, read dispatching from the factory in memory and error curve and CRC check and start mistake of dispatching from the factory
The CRC check self-test of poor curve data；
Step 104：Software and hardware version self-test, read the software version information and hardware version letter of the solidification of dispatching from the factory in memory
Breath, and corresponding CRC check and beginning CRC check self-test；
Step 105：Configuration parameter self-test, read in memory, the time-piece of configuration of dispatching from the factory, when segment table, ladder table, the aobvious item of circulation
List, button display items list parameter and corresponding CRC check and beginning CRC check self-test；
Step 106：Electric price parameter self-test, reads the rate electricity price data in memory, step price data, and voltage transformer becomes
Than, current transformer ratio and corresponding CRC check and start CRC check self-test；
Step 107：Electric energy measurement data self-test, the electric energy measurement data that will be stored in RAM, current active positive electric energy number
According to：Total electric energy and rate 1, the energy value of rate 2, rate 3, rate 4；Current active reverse energy data：Total electric energy and take
The energy value of rate 1, rate 2, rate 3, rate 4；When previous quadrant, two quadrant, three quadrants, four-quadrant reactive energy data：
Total electric energy and rate 1, rate 2, rate 3, the energy value of rate 4, and the electric energy measurement data of A phase, B phase, C phase split-phase electric energy and
Its corresponding CRC check and reading start CRC check self-test processing；
Step 108：Requirement data self-test, the requirement data that will be stored in RAM and are taken such as current positive active total maximum demand
The maximum demand of rate 1,2,3,4, current reversely active total maximum demand and the maximum demand of rate 1,2,3,4, when it is previous, two, three,
At requirement data and its corresponding CRC checks such as the idle total and electric energy of rate 1,2,3,4 of four-quadrant and beginning CRC check self-test
Reason；
Step 109：Load curve data self-test, read the load curve recording indexes form in memory, and its CRC check
With beginning self-test processing；
Step 110：Freeze class data self-test, read each indexed table for freezing class data in memory, and its CRC check
Handled with self-test is started；
Step 111：Game clock lid event self-test, read the indexed table of the game clock lid logout in memory, and its CRC check
With start checking treatment, data check by when, then according to index record, the last game clock lid time is read from memory,
After whole self-tests terminate, when self-detection result is shown, the last game clock lid time is shown, prompts possible illegal game clock lid
Malignant event occurs；
Step 112：This month rate of qualified voltage self-test, the indexed table of this month rate of qualified voltage record in memory is read, and
Its CRC check and beginning self-test processing, data self-test pass through, then according to index record, it is qualified to read this month voltage from memory
Rate, after whole self-tests terminate, when self-detection result is shown, show this month rate of qualified voltage, the true power supply matter for reflecting this month
Amount；
Step 113：Newest programmed events self-test, read the indexed table of the newest programmed events record in memory, and its CRC
Verification and beginning CRC check self-test, if data CRC check self-test passes through, according to index record, read from memory nearest
One-time programming Time To Event, after whole self-tests terminate, when self-detection result is shown, the last programming time is shown,
Possible illegal programmed events are prompted to occur；
Step 114：Illegal plug-in card event self-test, read the indexed table of the illegal plug-in card logout in memory, and its CRC
Verification and beginning checking treatment, data check pass through, then according to index record, read illegal plug-in card event from memory and occur always
Number, after whole self-tests terminate, when self-detection result is shown, show that total degree occurs for illegal plug-in card event, prompt possible
Doubtful stealing occurs；
Step 115：Electric energy table location information self-test, read the electric energy meter geographical position latitude and longitude information in memory, and its CRC
Verification and beginning self-test processing；
Step 116：LCD shows self-test, the lcd screen of electric energy meter show show 10 seconds entirely after, numerical portion starts animation and shown：
00000000th, 11111111,22222222 ..., 99999999,00000000 ..., often screen display 0.5 second, constantly circulation are aobvious
Show, so live power supply department attendant can easily have found all fields of LCD, the display of symbol shows failure, self-test
When being fully completed, animation display stops, then shows other self-detection results；
Step 117：Alarm relay self-test, sending filter controlling alarm instruction, if alarm relay will normally be sent
Ring tone, if alarm relay breaks down, no sound is sent；
Step 118：FRAM ferroelectric memory self-tests, all numbers in real time of three-phase intelligent electric-energy meter are preserved in FRAM ferroelectric memorys
According to RAM data synchronized update, its life-span is more than 10,000,000,000 times, and response is rapid, to blank page elder generation write-in characteristic data during self-test,
After read byte-by-byte Inspection, obtain the hardware check result of FRAM ferroelectric memorys；
Step 119：Eeprom memory self-test, all freezing datas, various logouts are mainly preserved in eeprom memory
Data, to blank page elder generation write-in characteristic data during self-test, then byte-by-byte Inspection is read, obtain the hardware of eeprom memory
Self-detection result；
Step 120：FLASH memory self-test, FLASH memory mainly preserve six type load curve numbers of three-phase intelligent electric-energy meter
According to, to blank page elder generation write-in characteristic data, then byte-by-byte Inspection is read during, self-test, obtain the hardware of FLASH memory from
Examine result；
Step 121：Load switching circuit self-test, i.e. relay switch hardware check, relay switch can control leading to for user
Electricity, power-off, first send order of operating a switch during self-test, and relay switch response under normal circumstances is operated a switch after order, user's power-off, intelligence
The indicator lamp of operating a switch of electric energy meter is lighted；After send reclosing command, under normal circumstances relay switch response close a floodgate order after, user
It is powered, the indicator lamp extinguishing of operating a switch of intelligent electric energy meter；
Step 122：Real time clock circuit self-test, all control registers of external hardware clock chip are first read during self-test,
It is normally no to verify controller register value, then reads real-time time, whether check analysis real-time time data are legal, obtain certainly
Examine result；
Step 123：Communication module self-test, communication module can carry power line carrier module, broadband power line carrier module,
GPRS module, micro power radio module, the instruction of read module configuration information is sent during self-test, communication module can be returned and matched somebody with somebody when normal
Confidence ceases；
Step 124：Metering circuit self-test, function of measuring are the most basic function and most important functions of three-phase intelligent electric-energy meter,
It is whether unimpeded that metering MCU company-information verification communication interface is first read during self-test, then reads all calibration parameters and verification
With to RAM, the verification of data self-test, then the same byte-by-byte verification of calibration parameter being stored in eeprom memory are first done；
Step 125：ESAM security module self-tests, ESAM security modules are the cores of three-phase intelligent electric-energy meter safety certification, are read
ESAM version information compares with the ESAM Backup Datas being stored in eeprom memory, completes self-test operations；
Step 126：6V meter reading battery self-inspections, 6V batteries mainly complete power cut-off recording function and real time clock circuit power supply, self-test
Shi Qidong AD conversion, continuous 10 AD sampled values for obtaining 6V cell voltages, remaining numerical value after maximum, minimum value removal is taken
Voltage of the average value as 6V batteries, work total time, judge whether under-voltage in conjunction with the 6V batteries of reading；
Step 127：3.6V Clock battery self-tests, 3.6V batteries mainly maintain real time clock circuit function of supplying power, start during self-test
AD conversion, continuous 10 AD sampled values for obtaining 3.6V cell voltages, remaining numerical value after maximum, minimum value removal is averaged
It is worth the voltage as 3.6V batteries, works total time, judge whether under-voltage in conjunction with the 3.6V batteries of reading；
Step 128：Circulation shows self-detection result, and by self-detection result, scene is shown to by the LCD circulations of three-phase intelligent electric-energy meter
Patrolman watches, and follows aobvious 5 minutes total times；
Step 129：Normal major cycle is returned to, self-test terminates, and returns to normal major cycle, returns to normal operating conditions.
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| CN109189434A (en) * | 2018-09-20 | 2019-01-11 | 安徽南瑞中天电力电子有限公司 | A kind of online upgrading method of electric energy meter |
| CN109408189A (en) * | 2018-11-02 | 2019-03-01 | 北京字节跳动网络技术有限公司 | Dynamic adjusting method, device, equipment and the medium of client end interface layout |
| CN110400422A (en) * | 2019-06-26 | 2019-11-01 | 青岛乾程科技股份有限公司 | A kind of electric energy meter charging method |
| CN110596636A (en) * | 2019-09-10 | 2019-12-20 | 江阴长仪集团有限公司 | Smart electric meter power-on loading correction method |
| CN110632458A (en) * | 2019-09-30 | 2019-12-31 | 国网湖南省电力有限公司 | Overhead line discharge breakdown fault monitoring device and method |
| CN111175686A (en) * | 2020-01-12 | 2020-05-19 | 深圳市江机实业有限公司 | Method for judging stability of metering error of single-phase intelligent electric energy meter in installation site |
| CN111521966A (en) * | 2020-05-18 | 2020-08-11 | 深圳市瀚邦为电子材料有限公司 | Method and device for monitoring time out-of-tolerance of district electric meter, monitoring terminal and storage medium |
| CN111641536A (en) * | 2020-05-27 | 2020-09-08 | 重庆邮电大学 | Online testing and diagnosing method for Internet of things equipment |
| CN112114173A (en) * | 2020-08-07 | 2020-12-22 | 宁波三星医疗电气股份有限公司 | Electric energy meter installation method |
| CN112566084A (en) * | 2020-12-03 | 2021-03-26 | 山西互感器电测设备有限公司 | Wireless data encryption transmission device and transmission method for high-voltage transformer on-site calibrator |
| CN113917385A (en) * | 2021-08-30 | 2022-01-11 | 中国电力科学研究院有限公司 | Self-detection method and system for electric energy meter |
| CN115292099A (en) * | 2022-09-26 | 2022-11-04 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter clock processing method and device and storage medium |
| CN117783995A (en) * | 2024-02-28 | 2024-03-29 | 深圳市江机实业有限公司 | Online calibration method and system for electric energy meter |
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| CN109189434A (en) * | 2018-09-20 | 2019-01-11 | 安徽南瑞中天电力电子有限公司 | A kind of online upgrading method of electric energy meter |
| CN109408189A (en) * | 2018-11-02 | 2019-03-01 | 北京字节跳动网络技术有限公司 | Dynamic adjusting method, device, equipment and the medium of client end interface layout |
| CN109408189B (en) * | 2018-11-02 | 2022-07-12 | 北京字节跳动网络技术有限公司 | Dynamic adjustment method, device, equipment and medium for client interface layout |
| CN110400422A (en) * | 2019-06-26 | 2019-11-01 | 青岛乾程科技股份有限公司 | A kind of electric energy meter charging method |
| CN110596636B (en) * | 2019-09-10 | 2022-04-19 | 江阴长仪集团有限公司 | Smart electric meter power-on loading correction method |
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| CN110632458A (en) * | 2019-09-30 | 2019-12-31 | 国网湖南省电力有限公司 | Overhead line discharge breakdown fault monitoring device and method |
| CN111175686B (en) * | 2020-01-12 | 2022-05-27 | 深圳市江机实业有限公司 | Method for judging stability of metering error of single-phase intelligent electric energy meter on installation site |
| CN111175686A (en) * | 2020-01-12 | 2020-05-19 | 深圳市江机实业有限公司 | Method for judging stability of metering error of single-phase intelligent electric energy meter in installation site |
| CN111521966A (en) * | 2020-05-18 | 2020-08-11 | 深圳市瀚邦为电子材料有限公司 | Method and device for monitoring time out-of-tolerance of district electric meter, monitoring terminal and storage medium |
| CN111521966B (en) * | 2020-05-18 | 2022-06-28 | 深圳市瀚邦为电子材料有限公司 | Method and device for monitoring time out-of-tolerance of district electric meter, monitoring terminal and storage medium |
| CN111641536A (en) * | 2020-05-27 | 2020-09-08 | 重庆邮电大学 | Online testing and diagnosing method for Internet of things equipment |
| CN111641536B (en) * | 2020-05-27 | 2022-06-24 | 重庆邮电大学 | Online testing and diagnosing method for Internet of things equipment |
| CN112114173A (en) * | 2020-08-07 | 2020-12-22 | 宁波三星医疗电气股份有限公司 | Electric energy meter installation method |
| CN112566084A (en) * | 2020-12-03 | 2021-03-26 | 山西互感器电测设备有限公司 | Wireless data encryption transmission device and transmission method for high-voltage transformer on-site calibrator |
| CN113917385A (en) * | 2021-08-30 | 2022-01-11 | 中国电力科学研究院有限公司 | Self-detection method and system for electric energy meter |
| CN115292099A (en) * | 2022-09-26 | 2022-11-04 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter clock processing method and device and storage medium |
| CN117783995A (en) * | 2024-02-28 | 2024-03-29 | 深圳市江机实业有限公司 | Online calibration method and system for electric energy meter |
| CN117783995B (en) * | 2024-02-28 | 2024-05-10 | 深圳市江机实业有限公司 | Online calibration method and system for electric energy meter |
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