CN102692616A - Automatic test and collection device and method of smart meter - Google Patents

Automatic test and collection device and method of smart meter Download PDF

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Publication number
CN102692616A
CN102692616A CN201210164772XA CN201210164772A CN102692616A CN 102692616 A CN102692616 A CN 102692616A CN 201210164772X A CN201210164772X A CN 201210164772XA CN 201210164772 A CN201210164772 A CN 201210164772A CN 102692616 A CN102692616 A CN 102692616A
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CN
China
Prior art keywords
test
intelligent electric
electric meter
data
signal
Prior art date
Application number
CN201210164772XA
Other languages
Chinese (zh)
Inventor
王思彤
周晖
宋伟
易忠林
康锐
周丽霞
陈云霞
朱晓蕾
刘影
甘霖
巨汉基
李敏
Original Assignee
华北电网有限公司计量中心
北京航空航天大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201210007081.9 priority Critical
Priority to CN201210007081 priority
Application filed by 华北电网有限公司计量中心, 北京航空航天大学 filed Critical 华北电网有限公司计量中心
Priority to CN201210164772XA priority patent/CN102692616A/en
Publication of CN102692616A publication Critical patent/CN102692616A/en

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Abstract

The invention discloses an automatic test and collection device and an automatic test and collection method of a smart meter, belonging to the field of the smart meter. The device comprises an environmental test chamber, a data collection card and a control computer. The test method comprises the steps as follows: the control computer sets test items of the smart meter, and transmits test parameters to the environmental test chamber; the environmental test chamber finishes testing of the smart meter according to received signals of different test items, and the control computer controls the data collection card to collect the test data of the smart meter by setting the information to be collected. The collection method comprises the steps as follows: the smart meter of executing the test items uploads a voltage signal of the test data of an internal element to the data collection card; the data collection card uploads the voltage signal of the test data to the control computer after processing, and the control computer transmits the received test data to a data storage module to store. The device and the method disclosed by the invention are mainly applied to reliability tests such as an acceleration test, a strenuous test and the like of the smart meter, so that the blank of test equipment in the field is compensated.

Description

The automatic test harvester and the method for intelligent electric meter

Technical field

The present invention relates to the intelligent electric meter field, particularly a kind of automatic test harvester and method of intelligent electric meter.

Background technology

Intelligent electric meter is to be the smart instrumentation of core with the microprocessor applications and the network communications technology; Have abilities such as automatic gauge/measurement, data processing, two-way communication and function expansion; Can realize bidirectional measuring, long-range/local communication, mutual, the multiple electricity price charging of real time data, long-range cut-off electricity, electric energy quality monitoring, the copy reading of aqueous vapor hotlist, and function such as user interaction; Bearing the task of original electrical energy data acquiring, metering and transmission, is the basis of realizing that information integration, analysis optimization and information represent.Because intelligent electric meter also is in the popularization stage at home, occur during use having exposed a lot of integrity problems, and the research of this respect is also very weak.

Research intelligent electric meter integrity problem, an effective method is that it is carried out accelerated test, obtains the degradation information of intelligent electric meter internal components, analyzes the easy inefficacy components and parts of intelligent electric meter from degradation information, and can predict the life-span of whole table.When carrying out accelerated test, the key of test just is to obtain the degradation information of its inner components and parts, because have only accurately and timely these information of record just can analyze the integrity problem of intelligent electric meter, provides reliability evaluation.In this field, there is not a cover can realize the ATE of such special function at present.

Summary of the invention

In view of this, the object of the present invention is to provide a kind of automatic test harvester and method of intelligent electric meter, be implemented in and carry out under the accelerated test situation, the intelligent electric meter internal signal test acquisition platform that the intelligent electric meter of butt joint tested person is tested automatically.

For realizing above-mentioned purpose, the present invention takes following technical scheme:

A kind of automatic test harvester of intelligent electric meter comprises:

Environmental test chamber is used to accomplish the test event to intelligent electric meter, and the data upload that test is obtained;

Data collecting card, the test data that is used to gather intelligent electric meter, and said test data uploaded;

Controlling computer is used to control the test event that said environmental test chamber is carried out intelligent electric meter, gathers the test data and the preservation of intelligent electric meter through said data collecting card.

A kind of automatic test approach of intelligent electric meter comprises:

Controlling computer is provided with the test event of intelligent electric meter, and test parameter is sent to environmental test chamber;

Environmental test chamber is accomplished the test to intelligent electric meter according to the signal of the different test event that receives;

Controlling computer is through being provided with information to be collected, and the control data capture card is to the collection of intelligent electric meter test data.

A kind of automatic acquiring method of intelligent electric meter test data comprises:

The intelligent electric meter of execution test event is uploaded to data collecting card with the voltage signal of the test data of inner components and parts;

Data collecting card is uploaded to controlling computer after the voltage signal of said test data is handled;

Controlling computer passes to data memory module with the test data that receives and preserves.

Technical scheme of the present invention has the following advantages:

The invention provides a kind of special platform to the intelligent electric meter accelerated test, only have the test platform to the intelligent electric meter performance test on the market, the present invention has filled up the blank of this respect.

Intelligent electric meter is carried out accelerated test, and the ordinary test time will be at some months, and testing apparatus will uninterruptedly be carried out performance test, relies on the test operator on duty to carry out the manually-operated meeting fully and brings not conveniently greatly, and the test duration precision can not guarantee.Platform of DesignUDS of the present invention can be provided with test profile in advance, and test process can break away from manually-operated, has fully satisfied test to automatic testability requirement.

What the present invention tested is the internal signal of intelligent electric meter, and existing testing equipment is not tested the function of this type signal, and monitors from the performance of bottom components and parts aspect, more can directly disclose the effect of accelerated test.

Description of drawings

The automatic test harvester structured flowchart of the intelligent electric meter that Fig. 1 provides for the embodiment of the invention;

The structured flowchart of the data collecting card that Fig. 2 provides for the embodiment of the invention.

Embodiment

For making the object of the invention, technical scheme and advantage clearer, the present invention is made further detailed description below in conjunction with accompanying drawing.

Present embodiment has proposed a kind of automatically testing platform to the intelligent electric meter fail-test, can gather the ammeter internal signal automatically to the intelligent electric meter fail-test.This test platform comprises environmental test chamber, data collecting card and controlling computer.Through work out test profile (environmental test chamber according to test profile to box house intelligent electric meter stress application) and data acquisition modes (sampling time and SF) to host computer; Host computer passes to chamber working out good profile information; The data acquisition modes of getting well according to formulation is then gathered the intelligent electric meter internal signal in the process of the test, is recorded in information at last to supply testing crew to analyze in the controlling computer.Present embodiment is mainly used in intelligent electric meter is carried out fail-tests such as accelerated test, strenuous test, has remedied the blank of this field testing equipment.

The automatic test harvester of the intelligent electric meter that present embodiment provides is as shown in Figure 1, comprising:

Controlling computer, the test event of intelligent electric meter is carried out in the chamber that is used to control environment, and gathers the test data of intelligent electric meter and preserves through data collecting card.Controlling computer is connected through the USB line with data collecting card.Said test event is in official hour, to add temperature and humidity with the official hour node to the intelligent electric meter in the environmental test chamber.

Data collecting card is used under the control of controlling computer, gathers the test data of intelligent electric meter, and sends to controlling computer.

Environmental test chamber is used under the control of controlling computer, accomplishes the test event to intelligent electric meter, and gives data collecting card with the data upload that test obtains.

Wherein, controlling computer specifically comprises:

The chamber parameter configuration module is used to accomplish the setting to the chamber test parameter.Setting comprises: intelligent electric meter WV, working current, rated frequency, measurable electric energy, electric energy meter type etc., these parameters send to chamber.To the demands of different of grid company to ammeter test, the testing experiment project can be divided into: full performance test, sampling test etc., correspondingly in chamber, be configured, and after the configuration, respectively test card is operated, make it carry out the different working state.

The Information Monitoring configuration module is used for accomplishing the configuration to intelligent electric meter test event information to be collected.Comprise SF, sample mode (differential mode, RSE (with reference to single-ended) mode or NRSE (non-reference is single-ended) mode) and sample magnitude are set; And acquisition time length and Measuring Time regularly are set according to the needed test data length of testing crew.Controlling computer sends to data collecting card with Information Monitoring after having disposed.

Data memory module is used for collecting data storage.Preserve with the TDMS form.

Communication module is used to accomplish the communication with data collecting card and environmental test chamber.Be divided into USB communication and serial communication, the USB communication is used to accept the data that obtain from capture card, and serial communication is used to realize the operation of controlling computer to environmental test chamber.

The structure of data collecting card is as shown in Figure 2, specifically comprises:

Clock circuit is used for work clock to single-chip microcomputer being provided through crystal oscillator.

Power circuit is used for working power to the whole data collection card being provided.

Single-chip microcomputer links to each other with power circuit with clock circuit, is used for calling plug-in according to the control signal that controlling computer is sent and realizes test and collecting test data to intelligent electric meter.

The USB controller links to each other with single-chip microcomputer, is used for control single chip computer through USB line and PERCOM peripheral communication.

FIFO (FIFO data buffering device) links to each other with single-chip microcomputer, is used for the test data buffer memory that collects.

Analog to digital converter links to each other with FIFO, is used for changing the voltage analog signal that collects from intelligent electric meter into single-chip microcomputer treatable digital signal.

Multidiameter option switch links to each other with analog to digital converter with single-chip microcomputer, is used to accept Single-chip Controlling, selects corresponding acquired signal passage according to the sampling channel that is provided with.

Signal conditioning circuit links to each other with multidiameter option switch, is used for the input voltage of the test data that collects is controlled within the input range of analog to digital converter.Signal conditioning circuit in the present embodiment is divided into three parts, is respectively filtering circuit, biasing circuit and negater circuit.The data that collect at first filter unnecessary noise signal through filtering circuit, through biasing circuit and negater circuit, are Control of Voltage the voltage amplitude that analog to digital converter is allowed then.

Holding circuit links to each other with signal conditioning circuit, and the circuit that is used for the protected data capture card avoids being damaged by the excessive voltage of accidental input.Main composition is a resettable fuse in the holding circuit, can prevent the excessive working current of intelligent electric meter owing to fault gets into data collecting card, thereby prevents that this type of accident from causing acquisition system to damage.

Environmental test chamber is used under the control of controlling computer, accomplishes the test to intelligent electric meter, and with the data upload of testing.Comprise the intelligent electric meter platform in the environmental test chamber; Dial framework with special placement intelligent electric meter; The voltage source of intelligent electric meter WV is provided; The current source of electric current can let every intelligent electric meter and controlling computer communicate through 485 interfaces when the work of simulated intelligence ammeter was provided, and the pulse signal of gathering intelligent electric meter output.When controlling computer is carried out a certain test event, will control environmental test chamber, intelligent electric meter is operated under certain test event.

In the time of controlling computer control data capture card and environmental test chamber test intelligent electric meter, be provided with after the pilot project through controlling computer, parameter sends to environmental test chamber through the communication module serial ports and experimentizes; Environmental test chamber is controlled wherein current source, voltage source and 485 communication modules respectively according to the signal of the different pilot project that receives, and makes intelligent electric meter operation different functions; Be provided with after the information to be collected through controlling computer; Control signal sends to the USB controller in the data collecting card through the USB communication module; The USB controller passes to single-chip microcomputer with signal; Single-chip microcomputer is configured FIFO analog to digital converter configuration SF and working time simultaneously, controls its storage precision and whether begins storage.

When carrying out test data collection, the intelligent electric meter of carrying out pilot project passes to data collecting card with the voltage signal of inner components and parts; Voltage signal is treated as standard signal through holding circuit and signal conditioning circuit; Voltage signal through after the adjustment is converted into digital signal by analog to digital converter, and digital signal is uploaded to the communication module of controlling computer through the control of USB controller after the FIFO storage; Communication module passes to data memory module with the signal that receives and preserves.

Present embodiment comprises like following table to the testable project of intelligent electric meter:

In a word, the above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.

Claims (9)

1. the automatic test harvester of an intelligent electric meter is characterized in that, comprising:
Environmental test chamber is used to accomplish the test event to intelligent electric meter, and the data upload that test is obtained;
Data collecting card, the test data that is used to gather intelligent electric meter, and said test data uploaded;
Controlling computer is used to control the test event that said environmental test chamber is carried out intelligent electric meter, gathers the test data and the preservation of intelligent electric meter through said data collecting card.
2. intelligent electric meter according to claim 1 is tested harvester automatically, it is characterized in that, said environmental test chamber specifically comprises:
The intelligent electric meter platform has the dial framework of special placement intelligent electric meter, and the voltage source of intelligent electric meter WV is provided, and the current source of electric current when intelligent electric meter work is provided;
485 interfaces are used to realize communicating by letter of intelligent electric meter and controlling computer, and the voltage signal of gathering intelligent electric meter output.
3. intelligent electric meter according to claim 2 is tested harvester automatically, it is characterized in that, said data acquisition fixture body comprises:
Clock circuit is used for work clock to single-chip microcomputer being provided through crystal oscillator;
Power circuit is used to provide working power;
Single-chip microcomputer links to each other with power circuit with said clock circuit, and the control signal that is used for sending according to controlling computer realizes test and collecting test data to intelligent electric meter;
The USB controller links to each other with said single-chip microcomputer, is used for control single chip computer through USB line and PERCOM peripheral communication;
FIFO data buffering device FIFO links to each other with said single-chip microcomputer, is used for the test data buffer memory that collects;
Analog to digital converter links to each other with said FIFO, is used for changing the voltage analog signal of the test data that collects from intelligent electric meter into single-chip microcomputer treatable digital signal;
Multidiameter option switch links to each other with analog to digital converter with said single-chip microcomputer, is used to accept Single-chip Controlling, the signalling channel of the test data that selection collects;
Signal conditioning circuit links to each other with said multidiameter option switch, is used for Control of Voltage with the test data that collects within the input range of analog to digital converter;
Holding circuit links to each other with said signal conditioning circuit, and the circuit that is used for the protected data capture card avoids being damaged by the excessive voltage of accidental input.
4. test harvester automatically according to claim 1,2 or 3 described intelligent electric meters, it is characterized in that said controlling computer specifically comprises:
The chamber parameter configuration module is used to accomplish the setting to the chamber test parameter;
The Information Monitoring configuration module is used for accomplishing the setting to intelligent electric meter test event information to be collected;
Data memory module is used for the test data storage that collects;
Communication module is used to accomplish the communication with data collecting card and environmental test chamber.
5. the automatic test approach of an intelligent electric meter is characterized in that, comprising:
Controlling computer is provided with the test event of intelligent electric meter, and test parameter is sent to environmental test chamber;
Environmental test chamber is accomplished the test to intelligent electric meter according to the signal of the different test event that receives;
Controlling computer is through being provided with information to be collected, and the control data capture card is to the collection of intelligent electric meter test data.
6. the automatic test approach of intelligent electric meter according to claim 5 is characterized in that, said testing procedure to intelligent electric meter specifically comprises:
Environmental test chamber is controlled current source, voltage source and 485 communication modules respectively, makes intelligent electric meter operation different functions.
7. according to the automatic test approach of claim 5 or 6 described intelligent electric meters, it is characterized in that said control data capture card specifically comprises the step of the collection of intelligent electric meter test data:
The control signal of controlling computer sends to the USB controller in the data collecting card; The USB controller sends to single-chip microcomputer with said control signal; Single-chip microcomputer is configured FIFO analog to digital converter configuration SF and working time simultaneously, control store precision and whether begin storage.
8. the automatic acquiring method of an intelligent electric meter test data is characterized in that, comprising:
The intelligent electric meter of execution test event is uploaded to data collecting card with the voltage signal of the test data of inner components and parts;
Data collecting card is uploaded to controlling computer after the voltage signal of said test data is handled;
Controlling computer passes to data memory module with the test data that receives and preserves.
9. the automatic acquiring method of intelligent electric meter test data according to claim 8 is characterized in that, said data collecting card specifically comprises the treatment step of the voltage signal of said test data:
Said voltage signal is treated as standard signal through holding circuit and signal conditioning circuit;
Said standard signal is converted into digital signal by analog to digital converter, after the FIFO storage, is uploaded to the communication module of controlling computer through the control of USB controller.
CN201210164772XA 2012-01-11 2012-05-24 Automatic test and collection device and method of smart meter CN102692616A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201210007081.9 2012-01-11
CN201210007081 2012-01-11
CN201210164772XA CN102692616A (en) 2012-01-11 2012-05-24 Automatic test and collection device and method of smart meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210164772XA CN102692616A (en) 2012-01-11 2012-05-24 Automatic test and collection device and method of smart meter

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Cited By (10)

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Publication number Priority date Publication date Assignee Title
CN103163370A (en) * 2013-02-26 2013-06-19 河北省电力公司电力科学研究院 Testing method for intelligent electric energy meter clock frequency under high-temperature environment
CN103323809A (en) * 2013-06-18 2013-09-25 国家电网公司 Electric energy meter test equipment
CN103364629A (en) * 2013-07-11 2013-10-23 中国科学院声学研究所 Energy consumption measuring method and energy consumption measuring system of electronic equipment
CN103424732A (en) * 2013-08-05 2013-12-04 广西电网公司电力科学研究院 Detection device and detection method for direct current electric energy meter
CN103616660A (en) * 2013-12-02 2014-03-05 国家电网公司 Power-down processing reliability test device and method for intelligent ammeters in interference environment
CN103777172A (en) * 2013-12-27 2014-05-07 珠海中慧微电子有限公司 Reliability testing system of intelligent electric meter and method thereof
TWI497437B (en) * 2013-11-25 2015-08-21 Inst Information Industry Advanced metering infrastructure site survey system
CN105629180A (en) * 2014-11-11 2016-06-01 中兴通讯股份有限公司 Test method, test device and controller
CN105652231A (en) * 2015-12-28 2016-06-08 云南电网有限责任公司电力科学研究院 Electric energy meter calibration system and calibration method thereof
CN106093834A (en) * 2016-06-06 2016-11-09 宁波三星医疗电气股份有限公司 A kind of Stress superposition test platform based on table

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103163370A (en) * 2013-02-26 2013-06-19 河北省电力公司电力科学研究院 Testing method for intelligent electric energy meter clock frequency under high-temperature environment
CN103163370B (en) * 2013-02-26 2016-12-28 河北省电力公司电力科学研究院 A kind of method of testing of intelligent electric energy meter clock frequency under high-temperature environment
CN103323809B (en) * 2013-06-18 2016-08-10 国家电网公司 A kind of electric energy meter test equipment
CN103323809A (en) * 2013-06-18 2013-09-25 国家电网公司 Electric energy meter test equipment
CN103364629A (en) * 2013-07-11 2013-10-23 中国科学院声学研究所 Energy consumption measuring method and energy consumption measuring system of electronic equipment
CN103424732A (en) * 2013-08-05 2013-12-04 广西电网公司电力科学研究院 Detection device and detection method for direct current electric energy meter
CN103424732B (en) * 2013-08-05 2015-10-28 广西电网公司电力科学研究院 A kind of direct-current electric energy meter calibrating device
TWI497437B (en) * 2013-11-25 2015-08-21 Inst Information Industry Advanced metering infrastructure site survey system
CN103616660A (en) * 2013-12-02 2014-03-05 国家电网公司 Power-down processing reliability test device and method for intelligent ammeters in interference environment
CN103616660B (en) * 2013-12-02 2016-05-25 国家电网公司 The testing arrangement of power down process reliability and method under intelligent electric energy meter interference environment
CN103777172A (en) * 2013-12-27 2014-05-07 珠海中慧微电子有限公司 Reliability testing system of intelligent electric meter and method thereof
CN105629180A (en) * 2014-11-11 2016-06-01 中兴通讯股份有限公司 Test method, test device and controller
CN105652231A (en) * 2015-12-28 2016-06-08 云南电网有限责任公司电力科学研究院 Electric energy meter calibration system and calibration method thereof
CN106093834A (en) * 2016-06-06 2016-11-09 宁波三星医疗电气股份有限公司 A kind of Stress superposition test platform based on table

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Application publication date: 20120926