CN104833942A - Battery power consumption automatic monitor for electric energy meter and application method thereof - Google Patents

Battery power consumption automatic monitor for electric energy meter and application method thereof Download PDF

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Publication number
CN104833942A
CN104833942A CN201510070536.5A CN201510070536A CN104833942A CN 104833942 A CN104833942 A CN 104833942A CN 201510070536 A CN201510070536 A CN 201510070536A CN 104833942 A CN104833942 A CN 104833942A
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China
Prior art keywords
power consumption
battery power
electric energy
energy meter
meter
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CN201510070536.5A
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CN104833942B (en
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郑坚江
季上满
陈恢云
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China Electric Power Research Institute Co Ltd
Ningbo Sanxing Smart Electric Co Ltd
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Ningbo Sanxing Smart Electric Co Ltd
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Abstract

The present invention aims to provide a battery power consumption automatic monitor for an electric energy meter, capable of automatically testing battery power consumption and battery voltage of the electric energy meter to replace manual testing of a universal meter. A sampling signal is obtained through a sampling resistor, then battery power consumption is calculated through a metering chip, battery voltage is calculated through AD sampling of a main chip in a single-phase meter, in addition, through the main chip in the single-phase meter, whether the battery voltage and the battery power consumption are in abnormal states is judged, data of the battery voltage and the battery power consumption in the abnormal states are recorded in real time and stored in an E2 memory, then real-time monitoring is performed through a host computer, and the data of the battery voltage and the battery power consumption in the abnormal states also can be read.

Description

Electric energy meter battery power consumption automonitor and using method
Technical field
The present invention relates to intelligent instrument field, be specifically related to for electric energy meter battery power consumption automonitor and using method.
Background technology
The key that ammeter time sharing electrical energy and ladder electricity correctly measure is the accuracy of ammeter timing, and time of mistake will cause rate to switch makeing mistakes, and freezes electricity unloading time of origin mistake etc. and affects the problem that ammeter normally measures.The reason affecting clock accuracy is that clock chip breaks down or power-off.And affect the reason that clock chip normally works and mainly contain the following aspects: the aspects such as clock chip crystal oscillator, temperature compensation, Clock battery and cell circuit.
And constantly have battery undervoltage table meter by the company of returning at market end at present, in these are return after sale, show the supplied materials problem or the circuit design defect of table meter own that are difficult to judge battery in respect of quite a few, only have and analyzed by the test of a large amount of speeding-up simulations; And the test of these speeding-up simulations, not only the test period is long, and high expensive, and the difficulty of manual test is also larger.
Summary of the invention
The object of this invention is to provide a kind of battery power consumption of automatically testing electric energy meter and cell voltage to replace electric energy meter battery power consumption automonitor and the using method of multimeter manual testing.
The present invention is achieved through the following technical solutions: electric energy meter battery power consumption automonitor, comprise tested electric energy meter, sampling resistor, single-phase meter, described tested electric energy meter is provided with power consumption test point, computation chip is provided with in described single-phase meter, described computation chip is provided with current sample mouth, the current sample mouth sampling resistor in parallel of described computation chip; The cell voltage positive output end of described tested electric energy meter is connected U+ end and the U-end of single-phase meter with negative output terminal, the battery power consumption positive output end of described tested electric energy meter and negative output terminal are connected to I+ end and the I-end of single-phase meter, and the 485+ port of described single-phase meter is connected with host computer with 485-port.
As preferably, described computation chip model is ATT7053, and described single-phase meter model is DDS188.
The using method of electric energy meter battery power consumption automonitor, step is as follows:
Step 1: powered on by electric energy meter battery power consumption automonitor, the computation chip in single-phase meter just carries out sampled signal to sampling resistor, then calculates battery power consumption by computation chip, the AD sampling of the master chip in single-phase meter calculates cell voltage;
Step 2: judge cell voltage by the master chip internal processes in single-phase meter, whether battery power consumption is in abnormality, and by the data real time record of abnormality, stored in E2 storer;
Step 3: real-time copy reading is carried out to battery power consumption and cell voltage by the automatic copy reading software in host computer.
The present invention is by the current sample mouth parallel connection sampling resistor at computation chip, sampled signal is obtained by sampling resistor, battery power consumption is calculated again by computation chip, cell voltage is sampled by the AD of master chip and is calculated, and whether be in abnormality by the tested electrical energy meter electricity cell voltage of master chip internal processes automatic decision in single-phase meter and battery power consumption, to the data real time record of cell voltage under abnormality and battery power consumption, and stored in E2 storer, and carry out Real-Time Monitoring by host computer, also can read the data of cell voltage and battery power consumption under abnormality.
Usefulness of the present invention is: 1) replacing the loaded down with trivial details of artificial multimeter test with automatically monitoring, achieving automatic test; 2) can monitor in real time cell voltage and battery power consumption, and judge whether to be in abnormality; 3) once there is abnormal data in cell voltage and battery power consumption, just can be recorded, and also carries out real-time copy reading by the data of host computer to cell voltage and battery power consumption and can derived data, is convenient to developer and analyzes.
Accompanying drawing explanation
Fig. 1 is design drawing of the present invention.
Fig. 2 is circuit diagram of the present invention.
1: power consumption test point; 2: sampling resistor; 3: battery; 4: cell voltage positive output end; 5: cell voltage negative output terminal; 6: battery power consumption positive output end; 7: battery power consumption negative output terminal; 8: tested electric energy meter; 9:U+ holds; 10:U-holds; 11: single-phase meter; 12: single-phase meter display screen; 13:I+ holds; 14:I-holds; 15:485+ port; 16:485-port; 17: host computer.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
See Fig. 1 to Fig. 2, electric energy meter battery power consumption automonitor, comprise tested electric energy meter 8, sampling resistor 2, single-phase meter 11, described tested electric energy meter 8 is provided with power consumption test point 1, computation chip is provided with in described single-phase meter 11, described computation chip is provided with current sample mouth, the current sample mouth sampling resistor 2 in parallel of described computation chip; The cell voltage positive output end 4 of described tested electric energy meter 8 is connected U+ end 9 and the U-end 10 of single-phase meter 11 with negative output terminal 5, the battery power consumption positive output end 6 of described tested electric energy meter 8 and negative output terminal 7 are connected to I+ end 13 and the I-end 14 of single-phase meter 11, and the 485+ port one 5 of described single-phase meter 11 is connected with host computer 17 with 485-port one 6.
In present embodiment: described computation chip model is ATT7053, described single-phase meter 11 model is DDS188.
The using method of electric energy meter battery power consumption automonitor, step is as follows:
Step 1: electric energy meter battery power consumption automonitor is powered on, computation chip in single-phase meter 11 just carries out sampled signal to sampling resistor 12, calculate battery power consumption by computation chip again, the AD sampling of the master chip in single-phase meter 11 calculates cell voltage;
Step 2: judge cell voltage by the master chip internal processes in single-phase meter 11, whether battery power consumption is in abnormality, and by the data real time record of abnormality, stored in E2 storer;
Step 3: real-time copy reading is carried out to battery power consumption and cell voltage by the automatic copy reading software in host computer 17.
In present embodiment: by host computer 17 can derive cell voltage, battery power consumption is in abnormality data in described step 3.
In present embodiment, sampling resistor 2 is parallel to the current sample mouth of the computation chip in single-phase meter 11, then by the cell voltage positive output end 4 of tested electric energy meter 8, negative output terminal 5 is connected to U+ end 9 and the U-end 10 of single-phase meter 11, by the battery power consumption positive output end 6 of tested electric energy meter 8, negative output terminal 7 is connected to I+ end 13 and the I-end 14 of single-phase meter 11, by the 485+ port one 5 of single-phase meter 11, 485-port one 6 is connected with host computer 17, then by ATT7053 computation chip, sampled signal is carried out to sampling resistor 2, the sampled voltage peak value of ATT7053 computation chip is ± 800mv, the electric current that can accurately record is 1uA-8mA, described ATT7053 computation chip is by calculating battery power consumption, and whether there is exception by the tested electric energy meter 8 of the master chip internal processes automatic decision in single-phase meter 11, when tested electric energy meter 8 battery power consumption or cell voltage have abnormal, just can record automatically, and read abnormal data by the backstage of host computer 17, the abnormal time occurred also can be recorded in the lump or read, when the power consumption of tested electric energy meter 8 is greater than 50uA or cell voltage lower than 3.60V, just automatically can record data, abnormal threshold values is also by actual conditions adjustment, and namely the present invention can monitor once every 1 minute, and monitoring time is also arranged voluntarily by backstage, the present invention is also connected host computer by 485+ port with 485-port, is realized the cell voltage of tested electric energy meter 8 and the real-time monitoring of battery power consumption, can derive preservation to the data of record by the automatic testing software of host computer, the number of days of Real-Time Monitoring also can be arranged, and as copy reading is shorter for interval time, data reading system amount can get more and more, and can derive a secondary data every 7 days.
The precision of the present invention's test:
Measured data and multimeter tables of data pair:
Of the present invention simple to operate, very little with multimeter measured precision deviation, the test of battery power consumption and cell voltage can be competent at completely, solve the loaded down with trivial details of artificial multimeter test, achieve automatic test and monitor abnormal data in real time, and by data upload and derivation, being convenient to developer and analyzing.
Protection scope of the present invention includes but not limited to above embodiment, and protection scope of the present invention is as the criterion with claims, and any replacement that those skilled in the art will find apparent that, distortion, improvement made this technology all falls into protection scope of the present invention.

Claims (4)

1. electric energy meter battery power consumption automonitor, it is characterized in that: comprise tested electric energy meter (8), sampling resistor (2), single-phase meter (11), described tested electric energy meter (8) is provided with power consumption test point (1), described single-phase meter is provided with computation chip in (11), described computation chip is provided with current sample mouth, the current sample mouth sampling resistor (2) in parallel of described computation chip; The cell voltage positive output end (4) of described tested electric energy meter (8) is connected U+ end (9) and U-end (10) of single-phase meter (11) with negative output terminal (5), the battery power consumption positive output end (6) of described tested electric energy meter (8) and negative output terminal (7) are connected to I+ end (13) and I-end (14) of single-phase meter (11), and the 485+ port (15) of described single-phase meter (11) is connected with host computer (17) with 485-port (16).
2. electric energy meter battery power consumption automonitor according to claim 1, it is characterized in that: described computation chip model is ATT7053, described single-phase meter (11) model is DDS188.
3. the using method of electric energy meter battery power consumption automonitor, is characterized in that:
Step 1: electric energy meter battery power consumption automonitor is powered on, computation chip in single-phase meter (11) just carries out sampled signal to sampling resistor (12), calculate battery power consumption by computation chip again, the AD sampling of the master chip in single-phase meter (11) calculates cell voltage;
Step 2: judge cell voltage by the master chip internal processes in single-phase meter (11), whether battery power consumption is in abnormality, and by the data real time record of abnormality, stored in E2 storer;
Step 3: real-time copy reading is carried out to battery power consumption and cell voltage by the automatic copy reading software in host computer (17).
4. the using method of electric energy meter battery power consumption automonitor according to claim 3, is characterized in that: pass through the data that host computer (17) can derive cell voltage, battery power consumption is in abnormality in described step 3.
CN201510070536.5A 2015-02-11 2015-02-11 Electric energy meter battery power consumption automonitor and application method Active CN104833942B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107422175A (en) * 2017-08-25 2017-12-01 中国电力科学研究院 A kind of method and system for judging that power information acquisition system clock is abnormal
CN108562860A (en) * 2018-03-26 2018-09-21 深圳市科陆电子科技股份有限公司 Electric energy meter two-way accessory power supply power consumption Auto-Test System and test method
CN110109401A (en) * 2019-05-16 2019-08-09 华立科技股份有限公司 The method and apparatus for reducing electric energy meter reading battery power consumption
CN110927583A (en) * 2019-12-03 2020-03-27 深圳宝龙达信创科技股份有限公司 Battery power detection device and battery power test method
CN111398888A (en) * 2020-04-14 2020-07-10 南方电网科学研究院有限责任公司 Low-power-consumption dynamic monitoring device and equipment of intelligent electric meter and using method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201188126Y (en) * 2008-01-31 2009-01-28 浙江省电力公司 Billing system for charging battery module
CN102768341A (en) * 2012-07-11 2012-11-07 华北电力大学 Battery capacity monitoring system for flying robot
CN203658547U (en) * 2013-11-05 2014-06-18 江苏卡欧万泓电子有限公司 Device for detecting service life of lithium battery
CN203786228U (en) * 2014-04-21 2014-08-20 重庆渝电电力科技有限公司 RS485 interface inspection apparatus for electric energy meter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201188126Y (en) * 2008-01-31 2009-01-28 浙江省电力公司 Billing system for charging battery module
CN102768341A (en) * 2012-07-11 2012-11-07 华北电力大学 Battery capacity monitoring system for flying robot
CN203658547U (en) * 2013-11-05 2014-06-18 江苏卡欧万泓电子有限公司 Device for detecting service life of lithium battery
CN203786228U (en) * 2014-04-21 2014-08-20 重庆渝电电力科技有限公司 RS485 interface inspection apparatus for electric energy meter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
侯鸾 等: "智能电表电源分析与设计", 《自动化与仪表》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107422175A (en) * 2017-08-25 2017-12-01 中国电力科学研究院 A kind of method and system for judging that power information acquisition system clock is abnormal
CN108562860A (en) * 2018-03-26 2018-09-21 深圳市科陆电子科技股份有限公司 Electric energy meter two-way accessory power supply power consumption Auto-Test System and test method
CN108562860B (en) * 2018-03-26 2021-04-13 深圳市科陆电子科技股份有限公司 Automatic test system and test method for power consumption of double auxiliary power supplies of electric energy meter
CN110109401A (en) * 2019-05-16 2019-08-09 华立科技股份有限公司 The method and apparatus for reducing electric energy meter reading battery power consumption
CN110927583A (en) * 2019-12-03 2020-03-27 深圳宝龙达信创科技股份有限公司 Battery power detection device and battery power test method
CN111398888A (en) * 2020-04-14 2020-07-10 南方电网科学研究院有限责任公司 Low-power-consumption dynamic monitoring device and equipment of intelligent electric meter and using method

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Inventor after: Zheng Jianjiang

Inventor after: Ji Shangman

Inventor after: Gao Bo

Inventor after: Zheng Jianjiang, season full, Gao Bo, Chen Huiyun

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Effective date of registration: 20150923

Address after: 315034 Ningbo, Jiangbei District, Zhejiang City, the town of Maple Bay Road, No. 16

Applicant after: Ningbo Samsung intelligent electric company limited

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Address before: 315034 Ningbo, Jiangbei District, Zhejiang City, the town of Maple Bay Road, No. 16

Applicant before: Ningbo Samsung intelligent electric company limited

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