CN106019167B - A kind of Intelligent electric energy meter clock battery performance test method based on Work condition analogue - Google Patents

A kind of Intelligent electric energy meter clock battery performance test method based on Work condition analogue Download PDF

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CN106019167B
CN106019167B CN201610651249.8A CN201610651249A CN106019167B CN 106019167 B CN106019167 B CN 106019167B CN 201610651249 A CN201610651249 A CN 201610651249A CN 106019167 B CN106019167 B CN 106019167B
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electric energy
battery
energy meter
power consumption
data
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CN106019167A (en
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徐晴
刘建
田正其
周超
祝宇楠
龚丹
穆小星
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/367Software therefor, e.g. for battery testing using modelling or look-up tables

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  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

The intelligent electric energy meter battery performance test method based on Work condition analogue that the invention discloses a kind of, includes the following steps:Measurement is acquired to the quiescent dissipation of electric energy meter;Measurement is acquired to the dynamic power consumption of electric energy meter;Data model and data drawing list are established respectively to measuring gained quiescent dissipation and dynamic power consumption data, and service life of the battery on electric energy meter is extrapolated in analysis respectively;The battery extrapolated by quiescent dissipation and dynamic power consumption data, as long as wherein there are one not up to design requirements for the power consumption data of the two, it is inferred that this battery cannot be used on the electric energy meter.The method of the present invention preferably resolves the analysis evaluation problem of the battery of current single-phase intelligent electric energy meter, by scene because the electricity consumption dispute situation that battery reason generates has carried out good solution.

Description

A kind of Intelligent electric energy meter clock battery performance test method based on Work condition analogue
Technical field
The present invention relates to a kind of intelligent electric energy meters, are mainly used in intelligent electric energy meter functional reliability and internal cell performance Test.
Background technology
State's net intelligent meter using rate measure, have electricity settle accounts, periodically freeze, load record, power failure key wakeup, LCD such as shows at the functions.These functions are established on the basis of accurate timing, and accurate timing includes having a power failure and external power supply power supply When two aspects accurate timing, the normal power supply of battery is the condition of accurate timing of having a power failure.It is required according to relevant criterion, intelligence The projected life of energy electric energy meter takes >=15 years, to make Clock battery that can be worked normally within projected life, the type selecting of Clock battery And quality control, battery control circuit design, MCU low power dissipation designs etc. are very crucial, especially single-phase intelligent electric energy meter is set In meter, the same battery of use powers to clock chip and simultaneously to MCU powered operation, if battery failures, it will cause The catastrophe failures such as inaccurate clock, significant data exception influence the normal electricity consumption clearing of user.
Intelligent meter field operation experiences show that the quality problems caused by battery are the main complaint problems of intelligent electric energy meter One of.Since battery device self character is complicated, and it is the standby working power of intelligent meter, simultaneously supports MCU, liquid crystal, clock The multichannels module for power supply such as chip, storage circuit, once battery failures can not provide power supply, it will it directly results in electric under blackout condition Energy table clock stops walking, and it is built-in design that the standard of single-phase intelligent electric energy meter, which requires battery, at present, can not be performed on-site replacement, Be unfavorable for on-site maintenance replacement, can only whole table replace, it is time-consuming and laborious, cause social resources significant wastage, therefore there is an urgent need to one Plant method that can effectively to the cell performance evaluation of intelligent electric energy meter.
The reason of battery capacity exhausts in summarizing the operation of state net single-phase smart meter Clock battery and safeguarding analysis mainly have with Lower several points:
(1)Battery quality problem causes battery to exhaust;
(2)Design defect in software causes battery to exhaust;
(3)Hardware design defect causes battery to exhaust;
Battery quality problem is made by battery first examines technique to be influenced, and different qualities of brand name differs greatly, therefore Barrier probability also presents different.Since the battery types of brand used on current electric energy meter are various, good and bad difficult point, battery quality is asked Field electric energy table battery failures account for larger specific gravity caused by topic, are surveyed if the convenient and efficient performance to battery may be implemented Examination carries out analysis and assessment to the service life on intelligent meter of battery, can be advanced by electrolytic cell and use the longevity on electric energy meter Life, avoids the generation of failure, avoids user's dispute, promotes power supply service quality, promotes social harmony.
Secondly design defect in software causes dead battery capability there is also certain ratio, and electric energy meter is not complete when having a power failure Enter low-power consumption entirely, completely into MCU work is frequently waken up after low-power consumption, into low-power consumption after wake up MCU when MCU being made to work Between it is longer lead to dead battery capability, encounter similar failure, it is also desirable to field failure ammeter safeguard and solve.
In addition hardware design defect, which causes dead battery capability also, can occupy the ratio of part, and electric energy meter is larger when having a power failure The device of power consumption is still with battery powered or MCU low-power consumption indexs are relatively high leads to dead battery capability.
Battery discharge maintains the storage data and clock of electric energy meter when intelligent electric energy meter has a power failure.Battery installation to electric energy meter Discharge curve after on electric energy meter is without adequately measuring, analyzing and studying, and to battery, service life is done on electric energy meter The reckoning for having gone out mistake, occurs the low problem of various cell voltages so as to cause electric energy meter in using operational process.
Invention content
The present invention is a kind of intelligent electric energy meter battery performance test method based on Work condition analogue, is preferably solved current The analysis evaluation problem of the battery of single-phase intelligent electric energy meter, the electricity consumption dispute situation that scene is generated by battery reason Good solution is obtained.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
A kind of Intelligent electric energy meter clock battery performance test method based on Work condition analogue, it is characterised in that:Including following Step:
(1)Measurement is acquired to the quiescent dissipation of electric energy meter;
(2)Measurement is acquired to the dynamic power consumption of electric energy meter;
(3)Data model and data drawing list are established respectively to measuring gained quiescent dissipation and dynamic power consumption data, are divided respectively Service life of the battery on electric energy meter is extrapolated in analysis;
(4)The battery extrapolated by quiescent dissipation and dynamic power consumption data, as long as the power consumption data of the two Wherein there are one not up to design requirements, it is inferred that this battery cannot be used on the electric energy meter.
Step(1)In, it is connect with high-acruracy survey instrument by computer, measures electricity in different operating environments respectively Battery power consumption on energy table.
Acquiring measurement data includes:It is battery power consumption on 25 DEG C of electric energy meters of room temperature, battery power consumption on 75 DEG C of electric energy meters of high temperature, low Battery power consumption on battery power consumption and 85 DEG C of high temperature, 85% electric energy meter of high humidity humidity on warm -25 DEG C of electric energy meters.
Step(2)In, it is connect with high-acruracy survey instrument by computer, so that electric energy meter MCU is worked using external trigger, Acquisition measures the power supply of electric energy meter external power supply and shutdown transient electric energy meter battery power consumption.
It is to measuring the method that gained quiescent dissipation establishes data model:
A. the average value of the battery power consumption of 25 DEG C of battery capacity divided by room temperature, calculates the number of days that can be worked;
B. the average value of the battery power consumption of -25 DEG C of battery capacity divided by low temperature, calculates the number of days that can be worked;
C. 85 DEG C of battery capacity divided by high temperature, high humidity humidity 85% battery power consumption average value, calculating can work Number of days;
D. the average value of the battery power consumption of battery capacity divided by high temperature (75 DEG C), calculates the number of days that can be worked;
E. battery work is calculated according to the number of days of the 1 year above four kinds of extreme weather environment in locality in electric energy meter application place The time of work.
Step(3)In, the dynamic power consumption to measuring gained establishes data drawing list, according to the dynamic power consumption number on data drawing list According to, the power consumption data in a period of time T is intercepted, power consumption data all in this period is added up, then divided by time T, meter The average power consumption of ammeter is calculated, calculates service life of the battery on electric energy meter.
The advantageous effect that the present invention is reached:
Intelligent electric energy meter battery measuring method provided by the invention has acquires more, closer scene using simple, data The advantages that operating condition, accurate analysis.There is the problem of battery failures when can effectively avoid onsite application using this method, avoids There is battery failures repair and influences user power utilization in onsite application electric energy meter, and especially current main-stream electric energy meter all has expense control, expense Rate is measured and the functions such as clearing, ensures that electric energy meter metering reliability, prevention electricity consumption dispute are particularly important.
Description of the drawings
Fig. 1 is electric energy meter battery power consumption datagram interior for a period of time.
Specific implementation mode
For battery quality problems itself, design defect in software causes battery to exhaust, and hardware design defect causes battery to consume Most problem calculates the service life of battery by the measurement of quiescent dissipation and dynamic power consumption to battery on electric energy meter, The specific method is as follows:
(1) measurement of quiescent dissipations:Pass through computer and high-acruracy survey instrument FLUKE 8808A 5-1/2 DIGIT MULTIMETER connections control, respectively at room temperature (25 DEG C), high temperature (75 DEG C), and low temperature (- 25 DEG C), high temperature and humidity (85 DEG C, Humidity 85%) it measures 72 hours under working environment:Electric energy meter under battery power consumption, high temperature (75 DEG C) on electric energy meter under room temperature (25 DEG C) Battery on electric energy meter under battery power consumption, high temperature and humidity (85 DEG C, humidity 85%) on electric energy meter under upper battery power consumption, low temperature (- 25 DEG C) Measurement of power loss simultaneously acquires measurement data.
(2) measurement of dynamic power consumptions:It is connect control with high-acruracy survey instrument by computer, utilizes artificial outside Triggering (key wakeup, clearing etc.) makes electric energy meter MCU work, and measures the power supply of electric energy meter external power supply and shutdown transient electrical energy meter electricity Pond power consumption, and acquire measurement data.
(3) establishes data model and analyzes to measuring gained quiescent dissipation and dynamic power consumption data, extrapolates electric energy meter The service life that upper battery uses.
The method for building up of data model:
A. the average value of the battery power consumption of battery capacity divided by room temperature (25 DEG C), calculates the number of days that can be worked;
B. the average value of the battery power consumption of battery capacity divided by low temperature (- 25 DEG C), calculates the number of days that can be worked;
C. the average value of the battery power consumption of battery capacity divided by high temperature and humidity (85 DEG C, humidity 85%), calculating can be with work The number of days of work;
D. the average value of the battery power consumption of battery capacity divided by high temperature (75 DEG C), calculates the number of days that can be worked;
E. battery work is calculated according to the number of days of the 1 year above four kinds of extreme weather environment in locality in electric energy meter application place The time of work.Such as:Room temperature (25 DEG C) 200 days is extrapolated if the number of days that can work calculated at this temperature is 800 days This battery at most works 4 years.
(4) establishes data drawing list to measurement gained dynamic power consumption and is analyzed (such as Fig. 1), extrapolates battery on electric energy meter The service life used.
A. according to the dynamic power consumption data on datagram, the power consumption data in a period of time T is intercepted, in this period Then divided by time T (a period of time of interception) all power consumption data is cumulative, the average power consumption of ammeter is calculated, to push away Calculate service life of the battery on electric energy meter.
(5) extrapolates service life of the battery on electric energy meter by quiescent dissipation and dynamic power consumption data respectively, and two As long as wherein there are one not up to design requirements for the power consumption data of person, so that it may to infer that this battery cannot be used on the electric energy meter.
The present invention solves service life reckoning and Performance Evaluation of the battery on electric energy meter, solves individual product quality and asks Topic, facilitates later stage operation and maintenance, provides and a kind of avoids that failure generates and intelligent electric energy meter battery performance based on Work condition analogue is surveyed Method for testing.
This method stops electric energy meter using high-acruracy survey instrument FLUKE 8808A 5-1/2 DIGIT MULTIMETER Battery power consumption under electricity condition measures detection.Using computer software by high-acruracy survey instrument FLUKE 8808A 5-1/ The battery power consumption of 2 DIGIT MULTIMETER controlling cycles measured under electric energy meter power failure, passes through computer software point Analysis measurement data obtains service life of the battery on electric energy meter, to filter out the undesirable battery of service life, keeps away Exempt from electric energy meter and the problem of battery failures occurs at operation scene.
In conclusion intelligent electric energy meter battery measuring method provided by the invention is with using, simple, data acquisition is more, more Close to scene operating condition, analyze the advantages that accurate.There are battery failures when can effectively avoid onsite application using this method Problem avoids onsite application electric energy meter from battery failures repair occur and influence user power utilization, and especially current main-stream electric energy meter has There are the functions such as expense control, rate metering and clearing, it is particularly important to ensure that electric energy meter metering reliability prevents electricity consumption dispute.

Claims (6)

1. a kind of Intelligent electric energy meter clock battery performance test method based on Work condition analogue, it is characterised in that:Including following step Suddenly:
(1)Measurement is acquired to the quiescent dissipation of electric energy meter;
(2)Measurement is acquired to the dynamic power consumption of electric energy meter;
(3)Data model and data drawing list are established respectively to measuring gained quiescent dissipation and dynamic power consumption data, and analysis respectively pushes away Calculate service life of the battery on electric energy meter;
(4)The battery extrapolated by quiescent dissipation and dynamic power consumption data, as long as the power consumption data of the two is wherein There are one not up to design requirements, it is inferred that this battery cannot be used on the electric energy meter.
2. the Intelligent electric energy meter clock battery performance test method according to claim 1 based on Work condition analogue, feature It is:Step(1)In, it is connect with high-acruracy survey instrument by computer, measures electric energy in different operating environments respectively Battery power consumption on table.
3. the Intelligent electric energy meter clock battery performance test method according to claim 2 based on Work condition analogue, feature It is:Acquiring measurement data includes:Battery power consumption on 25 DEG C of electric energy meters of room temperature, battery power consumption, low temperature-on 75 DEG C of electric energy meters of high temperature Battery power consumption on battery power consumption and 85 DEG C of high temperature, 85% electric energy meter of high humidity humidity on 25 DEG C of electric energy meters.
4. the Intelligent electric energy meter clock battery performance test method according to claim 1 based on Work condition analogue, feature It is:Step(2)In, it is connect with high-acruracy survey instrument by computer, so that electric energy meter MCU is worked using external trigger, adopt Collection measures the power supply of electric energy meter external power supply and shutdown transient electric energy meter battery power consumption.
5. the Intelligent electric energy meter clock battery performance test method according to claim 1 or 3 based on Work condition analogue, special Sign is:It is to measuring the method that gained quiescent dissipation establishes data model:
A. the average value of the battery power consumption of 25 DEG C of battery capacity divided by room temperature, calculates the number of days that can be worked;
B. the average value of the battery power consumption of -25 DEG C of battery capacity divided by low temperature, calculates the number of days that can be worked;
C. 85 DEG C of battery capacity divided by high temperature, high humidity humidity 85% battery power consumption average value, calculate the number of days that can be worked;
D. the average value of the battery power consumption of 75 DEG C of battery capacity divided by high temperature, calculates the number of days that can be worked;
E. battery work is calculated according to the number of days of the 1 year above four kinds of extreme weather environment in locality in electric energy meter application place Time.
6. the Intelligent electric energy meter clock battery performance test method according to claim 1 based on Work condition analogue, feature It is:Step(3)In, the dynamic power consumption to measuring gained establishes data drawing list, according to the dynamic power consumption data on data drawing list, Then divided by time T the power consumption data in a period of time T is intercepted, power consumption data all in this period is added up, is calculated The average power consumption of ammeter calculates service life of the battery on electric energy meter.
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CN106950507A (en) * 2017-05-12 2017-07-14 国家电网公司 A kind of intelligent clock battery high reliability lifetime estimation method
CN108828310A (en) * 2018-07-16 2018-11-16 中国电力科学研究院有限公司 A kind of test method of low power consuming devices service life
CN109061502A (en) * 2018-08-21 2018-12-21 厦门盈趣科技股份有限公司 Low power consuming devices battery life test macro and test method
CN109444805A (en) * 2018-12-29 2019-03-08 国网河北省电力有限公司电力科学研究院 Clock of power meter battery current supply circuit detection device, method and terminal device
CN110333464A (en) * 2019-07-24 2019-10-15 国家电网有限公司 Method of instructing operation and device
CN110738429A (en) * 2019-10-25 2020-01-31 国网重庆市电力公司电力科学研究院 electric energy meter state evaluation method and device
CN114252784A (en) * 2021-12-07 2022-03-29 上海飞奥燃气设备有限公司 Method for calculating residual capacity of lithium secondary battery

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