CN105425200A - Automatic testing apparatus for independent pulse mantissa metering of intelligent electric energy meter - Google Patents
Automatic testing apparatus for independent pulse mantissa metering of intelligent electric energy meter Download PDFInfo
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- CN105425200A CN105425200A CN201510862485.XA CN201510862485A CN105425200A CN 105425200 A CN105425200 A CN 105425200A CN 201510862485 A CN201510862485 A CN 201510862485A CN 105425200 A CN105425200 A CN 105425200A
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- energy meter
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- mantissa
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Abstract
The invention relates to an automatic testing apparatus for independent pulse mantissa metering of an intelligent electric energy meter. The testing apparatus is composed of a central processing module connected with a pulse acquisition module, a switching signal detection module, a communication module and a control module; the control module is connected with a display module, a voltage on-off control module and a current on-off control module; the pulse acquisition module, the switching signal detection module, and the communication module are connected with an electric energy meter respectively; and the electric energy meter is also connected with a power module. The voltage on-off control module and the current on-off control module are connected with the power module. With the apparatus, problems of repeated manual operation, high time consumption, and low accuracy during the testing process for independent pulse mantissa metering of the intelligent electric energy meter can be solved.
Description
Technical field
The present invention relates to intelligent electric energy meter detection field, particularly relate to the independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa.
Background technology
According to 2013 editions intelligent electric energy meter functional specifications that national grid is issued, the day part electric fluxs such as intelligent electric energy meter is meritorious, reactive energy reply point, peak, flat, paddy and total electric flux carry out adding up, storing respectively, and namely the day part electrical energy pulse mantissa such as point, peak, flat, paddy need measure separately.The traditional detection method of electric energy meter pulse mantissa, by manually completing, repeatedly need carry out optimum configurations, electrical energy pulse counting, current switching, the work of electricity ratio equity, have the features such as repetitive operation is many, consuming time, and have the drawbacks such as test accuracy is low.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention proposes the independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa, the problem such as solve artificial repetitive operation in intelligent electric energy meter pulse mantissa independent metrology and measurement process, consuming time, accuracy is low.
To achieve these goals, the scheme that the present invention adopts is:
The independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa, comprise central processing module, described central processing module connects pulse collection module, switching signal detection module, communication module and control module respectively; Described control module connects display module, voltage break-make control module and current switching control module respectively; Described pulse collection module, switching signal detection module and communication module connect electric energy meter respectively; Described electric energy meter also connects power module; Described voltage break-make control module is connected described power module respectively with current switching control module.
Described communication module comprises a road RS-232 serial communication interface and at least one road RS-485 communication interface.
Described central processing module is connected by RS-232 serial communication interface with communication module.
Described electric energy meter is connected by RS-485 communication interface with communication module.
Described pulse collection module is the pulse collection module of Phototube Coupling.
Described display module is the LED display that at least can show 8 figure places.
Described power module to be class of accuracy the be programmable AC power supply of 0.01 grade.
Beneficial effect of the present invention is: the automatic test that can realize the independent function of measuring of electric energy meter pulse mantissa, does not need manually to carry out repetitive operation, decreases the test duration, improve the accuracy of test.Meanwhile, this apparatus design is succinct, directly perceived, facilitates tester to operate, and ensures the accurate, reliable of intelligent electric energy meter electric energy metrical.
Accompanying drawing explanation
Fig. 1 circuit connecting relation schematic diagram of the present invention.
Embodiment
In order to better understand technical scheme of the present invention, below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa, it is characterized in that, described proving installation is made up of central processing module, control module, communication module, switching signal detection module, pulse collection module, power module, display module, voltage break-make control module, current switching control module; Wherein, described central processing module is connected with one end of pulse collection module with communication module, switching signal detection module respectively; Described central processing module is connected with one end of current switching control module with display module, voltage break-make control module respectively by control module; Voltage break-make control module is connected with power module respectively with the other end of current switching control module; Described power module, communication module, switching signal detection module are connected with external electric energy meter to be measured with the other end of pulse collection module; Described central processing module receives the measurement data coming from communication module, switching signal detection module and pulse collection module respectively, and central processing module issues voltage break-make steering order, current switching steering order and display information command to control module; Described control module receives the voltage break-make steering order, current switching steering order and the display information command that are issued by central processing module, and controls display module display information according to the instruction of central processing module, controlled the connecting and disconnecting of power module output voltage, output current by voltage break-make control module and current switching control module.
Described communication module possesses 1 road RS-232 serial communication interface and at least one road RS-485 communication interface, and adopt the communication of RS-232 serial communication interface time between central processing module, communication speed is fast, efficiency is high and communication robust is good, carries out optimum configurations and copy reading fast and accurately by the upper computer software be arranged on central processing module; And adopt RS-485 interface communication between electric energy meter to be measured, wiring is simple, and extendability is strong, can connect multichannel RS-485 and carry out communication test simultaneously.
Described pulse collection module possesses the characteristic such as Phototube Coupling and high speed acquisition, 4 road pulse signals can be gathered at most simultaneously, there is use safety, pulse signal acquisition responds the advantages such as quick, can the electrical energy pulse of precise acquisition electric energy meter to be measured accumulated counts, be real-time transmitted to central processing module upper computer software and process; After having tested, upper computer software sends reset clearing command, removes cumulative step-by-step counting.
Described switching signal detection module possesses the features such as detection sensitivity is high, fast response time, accurately can detect the period switching signal of electric energy meter to be measured, and upload to central processing module in real time, be convenient to upper computer software and accurately judge and assign instruction.
Described voltage break-make control module and current switching control module possess receive send from central processing module upper computer software voltage, the real-time break-make order of electric current and timing break-make command functions, output and the disconnection of power module voltage and current can be controlled safely, accurately by it.
Described display module possesses 8 figure place LED display, can show the information such as tested table electrical energy pulse counting and tested table voltage, electric current in real time.
Described power module employing class of accuracy is the high-precision program control AC power of 0.01 grade, possess 600V alternating voltage, the output of 100A electric current independently controls and to output voltage 0.1V/ electric current 0.01A continuously adjustabe, can be supplied to tested electric energy meter voltage and current accurately by it.
Before test, respectively the multifunction terminal of the pulse terminal of pulse collection module and electric energy meter to be measured, switching signal detection module and electric energy meter to be measured, communication module are connected with 485 Interface Terminals of electric energy meter to be measured, the voltage of power module is exported, electric current exports and be connected with the forceful electric power terminal of electric energy meter to be measured.
During test, central processing module is sent instructions under voltage break-make control module and current switching control module by control module, controls a power module output voltage, not output current, namely gives an electric energy meter to be measured making alive, does not add electric current; After electric energy meter to be measured powers on, central processing module is by communication module and electric energy meter communication to be measured success, segment table information when current time zone is set, arranging Multifunctional mouth exports as period switching signal, send the total clearing command of ammeter, copy reading electric energy meter to be measured meter constant C and current electric energy data block, make electric energy meter to be measured be in the point period by arranging electric energy meter current time of day; After optimum configurations completes, central processing module is sent instructions under current switching control module by control module, control power module output current, namely now electric energy meter making alive to be measured, add electric current, electric energy meter is in normal operating conditions; The pulse of pulse collection module acquires electric energy meter, and real-time Transmission is to central processing module, when the umber of pulse collected reaches 2 percent of meter constant C for the moment, central processing module is sent instructions under current switching control module by control module, control power module turn-off current, namely now an electric energy meter to be measured making alive, do not add electric current; Central processing module is by the current electric energy data block of communication module copy reading electric energy meter to be measured and compare with theoretical value, if inconsistent, then tests end; If consistent, central processing module arranges electric energy meter current time of day to be measured by communication module, makes electric energy meter be switched to the peak period, and detects electric energy meter to be measured whether handover success by switching signal detection module; After central processing module determines that electric energy meter to be measured has been switched to the peak period, test by above-mentioned flow process; Section, the testing process of paddy period are identical with the peak period at ordinary times.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (7)
1. the independent metering automatic test device of intelligent electric energy meter pulse mantissa, is characterized in that, comprise central processing module, and described central processing module connects pulse collection module, switching signal detection module, communication module and control module respectively; Described control module connects display module, voltage break-make control module and current switching control module respectively; Described pulse collection module, switching signal detection module and communication module connect electric energy meter respectively; Described electric energy meter also connects power module; Described voltage break-make control module is connected described power module respectively with current switching control module.
2. the independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa according to claim 1, is characterized in that, described communication module comprises a road RS-232 serial communication interface and at least one road RS-485 communication interface.
3. the independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa according to claim 2, it is characterized in that, described central processing module is connected by RS-232 serial communication interface with communication module.
4. the independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa according to claim 2, it is characterized in that, described electric energy meter is connected by RS-485 communication interface with communication module.
5., according to the arbitrary described independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa of claim 1-4, it is characterized in that, described pulse collection module is the pulse collection module of Phototube Coupling.
6., according to the arbitrary described independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa of claim 1-4, it is characterized in that, described display module is the LED display that at least can show 8 figure places.
7. according to the arbitrary described independent metering automatic test device of a kind of intelligent electric energy meter pulse mantissa of claim 1-4, it is characterized in that, described power module to be class of accuracy the be programmable AC power supply of 0.01 grade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510862485.XA CN105425200A (en) | 2015-11-30 | 2015-11-30 | Automatic testing apparatus for independent pulse mantissa metering of intelligent electric energy meter |
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| CN201510862485.XA CN105425200A (en) | 2015-11-30 | 2015-11-30 | Automatic testing apparatus for independent pulse mantissa metering of intelligent electric energy meter |
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| CN105425200A true CN105425200A (en) | 2016-03-23 |
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| CN201510862485.XA Pending CN105425200A (en) | 2015-11-30 | 2015-11-30 | Automatic testing apparatus for independent pulse mantissa metering of intelligent electric energy meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710981A (en) * | 2020-12-31 | 2021-04-27 | 华立科技股份有限公司 | Pulse test and ammeter power-on and power-off reliability test system and method |
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| US20110012590A1 (en) * | 2008-03-24 | 2011-01-20 | Toshiba Toko Meter Systems Co., Ltd. | Current detector and wattmeter using the same |
| CN102411090A (en) * | 2011-12-15 | 2012-04-11 | 华立仪表集团股份有限公司 | Self-checking electronic energy meter and self-checking method thereof |
| 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 |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110012590A1 (en) * | 2008-03-24 | 2011-01-20 | Toshiba Toko Meter Systems Co., Ltd. | Current detector and wattmeter using the same |
| CN201383000Y (en) * | 2009-03-19 | 2010-01-13 | 重庆电力科学试验研究院 | Electric energy meter detecting device |
| CN101900801A (en) * | 2010-07-15 | 2010-12-01 | 田卫华 | Intelligent electric energy meter field test device and test method thereof |
| CN102411090A (en) * | 2011-12-15 | 2012-04-11 | 华立仪表集团股份有限公司 | Self-checking electronic energy meter and self-checking method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112710981A (en) * | 2020-12-31 | 2021-04-27 | 华立科技股份有限公司 | Pulse test and ammeter power-on and power-off reliability test system and method |
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Application publication date: 20160323 |