CN108919019A - A kind of Application of Power Metering Instruments electromagnetic compatibility test system - Google Patents
A kind of Application of Power Metering Instruments electromagnetic compatibility test system Download PDFInfo
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- CN108919019A CN108919019A CN201811139666.XA CN201811139666A CN108919019A CN 108919019 A CN108919019 A CN 108919019A CN 201811139666 A CN201811139666 A CN 201811139666A CN 108919019 A CN108919019 A CN 108919019A
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- electromagnetic compatibility
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- energy meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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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
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention belongs to electric power applied technical field more particularly to a kind of Application of Power Metering Instruments electromagnetic compatibility test systems, are a kind of electric device maintenance systems, and specifically a kind of power equipment electromagnetism test carries out radiation immunity experiment system.The present invention is to be separately connected multi-epitope electric energy meter verification table and electromagnetic compatibility test system by router by computer, and position electric energy meter verification table and electromagnetic compatibility test system are separately connected measuring equipment again.The present invention can carry out radiation immunity experiment to more Application of Power Metering Instruments simultaneously, realize individual device data grabber and save, and real-time monitoring data significantly reduces Application of Power Metering Instruments detection time as a result, analysis test data.Real-time testing data are monitored, according to the field strength parameter that each frequency point provides, each frequency error rate is analyzed, and draw test curve, reduces the testing time, improve testing efficiency.
Description
Technical field
The invention belongs to electric power applied technical field more particularly to a kind of Application of Power Metering Instruments electromagnetic compatibility test system,
It is a kind of electric device maintenance system, specifically a kind of power equipment electromagnetism test carries out radiation immunity experiment system.
Background technique
Power System Electromagnetic Environment is increasingly complicated, important tool of the Application of Power Metering Instruments as metering and charge calculation, no
The ability for requiring nothing more than with accurate, stable metering performance, and product being required to have extremely strong electromagnetism interference, it is ensured that any
In the case of power information it is correct reliable, guarantee that electricity consumption, the interests for the both sides that power are without damage.But the big portion of Application of Power Metering Instruments
Point be by singlechip group at, single-chip microcontroller is easy interference by electromagnetic environment.Therefore, electric energy meter is easy to be done by electromagnetic environment
It disturbs and cisco unity malfunction, breaks down or performance declines.So today's society is to the Electro Magnetic Compatibility for measuring and acquiring equipment
It can require to be increasingly stringenter.
Traditional Application of Power Metering Instruments radiated immunity test can only test single device, and test period is longer,
Efficiency is lower, and data can only be saved by electric energy meter calibrating apparatus, can not calculate and analyze the error deviation of each frequency point.
In order to guarantee the reliable and stable operation of Application of Power Metering Instruments, when design, need to consider the Electro Magnetic Compatibility of electric energy meter.Root
According to country and the associated specifications of industry, Application of Power Metering Instruments must carry out EMC test before application, and radiate anti-
Degree of disturbing tests the electromagnetic compatibility grade that Application of Power Metering Instruments is evaluated as most important pilot project.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the present invention provides a kind of electromagnetic compatibility of Application of Power Metering Instruments
Test macro.Its purpose is to solve the problems, such as the electromagnetic compatibility test system integration.
In order to achieve the above-mentioned object of the invention, the present invention is achieved through the following technical solutions：
A kind of Application of Power Metering Instruments electromagnetic compatibility test system, computer are separately connected multi-epitope electric energy meter by router and examine and determine
Platform and electromagnetic compatibility test system, position electric energy meter verification table and electromagnetic compatibility test system are separately connected measuring equipment again；Institute
State computer realize Application of Power Metering Instruments electromagnetic compatibility test data be read out and monitor, to electromagnetic compatibility test system with
The comprehensively monitoring of multi-epitope electric energy meter verification table and control；Electromagnetic compatibility test system realizes that the radiation immunity of measuring equipment is surveyed
Electromagnetic environment required for trying realizes the radiation immunity experiment in electric energy meter EMC test；The multi-epitope electric energy meter
Verification table realizes that the electric current, voltage and error of more measuring equipments are read；The router realize electromagnetic compatibility test system with
The data interaction of multi-epitope electric energy meter identification platform.
Test macro in the computer can control electromagnetic compatibility test system, provide test ginseng required for test
Number, monitor radiation immunity experiment process, while can by router and multi-epitope electric energy meter verification table communication handshake data,
And calculate analysis test result.
The multi-epitope electric energy meter verification table can provide voltage, current signal simultaneously for more Application of Power Metering Instruments, protect
The stable operation of Application of Power Metering Instruments is demonstrate,proved, while individual device error information can be calculated.
The electromagnetic compatibility test system includes signal source, power amplifier, power meter, RF switch, mast, signal
Source and for providing radiofrequency signal；The power amplifier, for exporting sufficiently large radiofrequency signal；The RF switch is used
Pass through control in realization wire transmission radiofrequency signal；The antenna, for emitting radiofrequency signal；The electromagnetic compatibility test system
System is capable of providing the radio frequency continuous wave signal of 80k-4G, interference field strength 1-30V/m.
Signal source in the electromagnetic compatibility test system carries out signal amplification by power amplifier, by antenna to setting
Standby to apply electromagnetic interference, multi-epitope electric energy meter verification table provides voltage, current signal, while multi-epitope electricity to tested measuring equipment
Energy table verification table calculates the error of equipment under test, and transfers data to computer, and computer judges to survey after obtaining error information
Test result simultaneously finally draws curve.
The electromagnetic compatibility test system carries out the flow chart of reading data, and electromagnetic compatibility test system is assisted by socket
View access multi-epitope electric energy meter verification table, access error read memory, and multi-epitope electric energy meter verification table will after obtaining order
Data are transferred to computer, and computer is calculating result and drawing curve.
The invention has the advantages and beneficial effects that：
The present invention solves the problems, such as the electromagnetic compatibility test system integration using Internet technology, and traditional test macro can only be by electricity
Energy table verification table calculates error, and the error condition of each frequency point of manual record can not analyze data.Computer passes through road in the present invention
By device and electromagnetic compatibility test system and multi-epitope electric energy meter verification table communication handshake data, computer is mentioned by controlling signal source
For radiofrequency signal, signal is carried out by multiple amplification by control power amplifier, power amplifier is carried out by power meter and RF switch
Switching and signal control, emit radiofrequency signal by antenna.Multi-epitope electric energy meter verification table real-time monitoring Application of Power Metering Instruments electricity
Test result is simultaneously transmitted to computer by pressure, electric current, error parameter, and computer carries out calculating analysis simultaneously according to the parameter value of offer
Draw test curve.Therefore, the present invention can carry out radiation immunity experiment to more Application of Power Metering Instruments simultaneously, realize each
Device data crawl and preservation, real-time monitoring data is as a result, analyze test data, when significantly reducing Application of Power Metering Instruments detection
Between.Real-time testing data are monitored, according to the field strength parameter that each frequency point provides, analyze each frequency error rate, and draw test curve,
Reduce the testing time, improves testing efficiency.
Understand for the ease of those of ordinary skill in the art and implement the present invention, with reference to the accompanying drawing and specific embodiment
The present invention is described in further detail, it is to be understood that protection scope of the present invention is not by the limit of specific embodiment
System.
Detailed description of the invention
Fig. 1 is the general frame of the present invention；
Fig. 2 is to provide signal diagram by signal source in the present invention；
Fig. 3 is the flow chart that electromagnetic compatibility test system carries out reading data in the present invention.
In figure：Computer 1, router 2, multi-epitope electric energy meter verification table 3, electromagnetic compatibility test system 4.
Specific embodiment
The present invention is a kind of Application of Power Metering Instruments electromagnetic compatibility test system, as shown in Figure 1, the present invention includes：Computer
1, it can be realized the router 2 of data communication, multi-epitope electric energy meter verification table 3 and electromagnetic compatibility test system 4.Wherein, it calculates
Machine 1 is separately connected multi-epitope electric energy meter verification table 3 and electromagnetic compatibility test system 4, position electric energy meter verification table by router 2
3 and electromagnetic compatibility test system 4 be separately connected measuring equipment again.
The electromagnetic compatibility test data that the computer 1 of the test can be realized Application of Power Metering Instruments are read out and supervise
Control, comprehensively monitoring and control to electromagnetic compatibility test system and multi-epitope electric energy meter verification table 3.Electromagnetic compatibility test system 4
It realizes electromagnetic environment required for the radiated immunity test of measuring equipment, realizes that the radiation in electric energy meter EMC test is anti-
Degree of disturbing test.The electric current, voltage and error that the multi-epitope electric energy meter verification table 3 can be realized more measuring equipments are read.Institute
State the data interaction that router 2 realizes electromagnetic compatibility test system and multi-epitope electric energy meter identification platform.
Test macro entrained by the testing computer can control electromagnetic compatibility test system, provide needed for test
The test parameter wanted monitors radiation immunity experiment process, while can be logical by router and multi-epitope electric energy meter verification table
Letter exchange data, and calculate analysis test result.
The multi-epitope electric energy meter verification table can provide voltage, current signal simultaneously for more Application of Power Metering Instruments, protect
The stable operation of Application of Power Metering Instruments is demonstrate,proved, while individual device error information can be calculated.
The electromagnetic compatibility test system includes signal source, power amplifier, power meter, RF switch, mast, signal
Source and for providing radiofrequency signal；The power amplifier, for exporting sufficiently large radiofrequency signal；The RF switch is used
Pass through control in realization wire transmission radiofrequency signal；The antenna, for emitting radiofrequency signal.The electromagnetic compatibility test system
System is capable of providing the radio frequency continuous wave signal of 80k-4G, interference field strength 1-30V/m.
If Fig. 2 is to provide signal diagram by signal source in the present invention, signal source carries out signal amplification by power amplifier,
Electromagnetic interference is applied to equipment by antenna, multi-epitope electric energy meter verification table 3 provides voltage, electric current letter to tested measuring equipment
Number, while multi-epitope electric energy meter examines and determine the error of 3 calculating equipment under tests, and transfers data to computer 1, computer 1
Test result is judged after to error information and finally draws curve.
If Fig. 3 is the flow chart that electromagnetic compatibility test system carries out reading data in the present invention, electromagnetic compatibility test system 4
By socket protocol access multi-epitope electric energy meter verification table 3, accesses error and read memory, multi-epitope electric energy meter verification table 3
Computer 1 is transferred data to after obtaining order, computer 1 is calculating result and drawing curve.
Present system designs a set of electromagnetic compatibility test system using network technology, can carry out multiple devices spoke simultaneously
Immunity experiment is penetrated, realize individual device data grabber and is saved, real-time monitoring data substantially drops as a result, analysis test data
Low Application of Power Metering Instruments detection time, reduces operation cost, provides effective guarantee for the quality testing of measuring equipment.
Finally illustrate, the above invention only illustrates technical solution of the present invention rather than limits, and explanation is intended merely to help in detail
Reader more fully understands spirit of that invention, and it is not intended to limit the protection scope of the present invention, on the contrary, any based on hair of the invention
Any improvement or modification made by bright spirit should all be fallen within the scope and spirit of the invention.
Claims (6)
1. a kind of Application of Power Metering Instruments electromagnetic compatibility test system, it is characterized in that：Computer is separately connected multilist by router
Position verification platform for electric energy meter and electromagnetic compatibility test system, position electric energy meter verification table and electromagnetic compatibility test system are separately connected again
Measuring equipment；The computer realizes that the electromagnetic compatibility test data of Application of Power Metering Instruments are read out and monitor, simultaneous to electromagnetism
Hold comprehensively monitoring and the control of test macro and multi-epitope electric energy meter verification table；Electromagnetic compatibility test system realizes measuring equipment
Electromagnetic environment required for radiated immunity test realizes the radiation immunity experiment in electric energy meter EMC test；It is described
Multi-epitope electric energy meter verification table realizes that the electric current, voltage and error of more measuring equipments are read；The router realizes that electromagnetism is simultaneous
Hold the data interaction of test macro and multi-epitope electric energy meter identification platform.
2. a kind of Application of Power Metering Instruments electromagnetic compatibility test system according to claim 1, it is characterized in that：The computer
In test macro can control electromagnetic compatibility test system, provide test required for test parameter, monitor radiation immunity
Test process, while can be by router and multi-epitope electric energy meter verification table communication handshake data, and calculate analysis test knot
Fruit.
3. a kind of Application of Power Metering Instruments electromagnetic compatibility test system according to claim 1, it is characterized in that：The multi-epitope
Verification platform for electric energy meter can provide voltage, current signal simultaneously for more Application of Power Metering Instruments, guarantee the steady of Application of Power Metering Instruments
Fixed operation, while individual device error information can be calculated.
4. a kind of Application of Power Metering Instruments electromagnetic compatibility test system according to claim 1, it is characterized in that：The electromagnetism is simultaneous
Holding test macro includes signal source, power amplifier, power meter, RF switch, mast, signal source and for providing radio frequency letter
Number；The power amplifier, for exporting sufficiently large radiofrequency signal；The RF switch, for realizing wire transmission radio frequency
Signal passes through control；The antenna, for emitting radiofrequency signal；The electromagnetic compatibility test system is capable of providing 80k-4G's
Radio frequency continuous wave signal, interference field strength 1-30V/m.
5. a kind of Application of Power Metering Instruments electromagnetic compatibility test system according to claim 1, it is characterized in that：The electromagnetism is simultaneous
The signal source held in test macro carries out signal amplification by power amplifier, applies electromagnetic interference to equipment by antenna, more
Position electric energy meter verification table provides voltage, current signal to tested measuring equipment, while multi-epitope electric energy meter verification table calculates quilt
The error of measurement equipment, and computer is transferred data to, computer judges test result after obtaining error information and finally draws
Curve.
6. a kind of Application of Power Metering Instruments electromagnetic compatibility test system according to claim 1, it is characterized in that：The electromagnetism is simultaneous
Hold the flow chart that test macro carries out reading data, electromagnetic compatibility test system passes through socket protocol access multi-epitope electric energy meter
Verification table, access error read memory, and multi-epitope electric energy meter verification table transfers data to computer after obtaining order, counts
Calculation machine is calculating result and is drawing curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139666.XA CN108919019A (en) | 2018-09-28 | 2018-09-28 | A kind of Application of Power Metering Instruments electromagnetic compatibility test system |
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| CN201811139666.XA CN108919019A (en) | 2018-09-28 | 2018-09-28 | A kind of Application of Power Metering Instruments electromagnetic compatibility test system |
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| CN108919019A true CN108919019A (en) | 2018-11-30 |
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| CN201811139666.XA Pending CN108919019A (en) | 2018-09-28 | 2018-09-28 | A kind of Application of Power Metering Instruments electromagnetic compatibility test system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765449A (en) * | 2019-02-21 | 2019-05-17 | 广东省医疗器械质量监督检验所 | A kind of device for electronic thermometer electromagnetic compatibility radiation immunity experiment |
| CN110794230A (en) * | 2019-09-26 | 2020-02-14 | 程桂香 | Power distribution cabinet test system based on Internet of things |
| CN111239512A (en) * | 2020-01-13 | 2020-06-05 | 国网电力科学研究院武汉南瑞有限责任公司 | Electromagnetic compatibility test system suitable for power equipment |
| CN114034951A (en) * | 2021-10-29 | 2022-02-11 | 许昌开普检测研究院股份有限公司 | Measurement data statistical analysis method and system for noise immunity test |
| CN114397562A (en) * | 2022-03-24 | 2022-04-26 | 北京智芯微电子科技有限公司 | Automatic test method and system for EMC (electro magnetic compatibility) immunity of chip |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765449A (en) * | 2019-02-21 | 2019-05-17 | 广东省医疗器械质量监督检验所 | A kind of device for electronic thermometer electromagnetic compatibility radiation immunity experiment |
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| CN111239512A (en) * | 2020-01-13 | 2020-06-05 | 国网电力科学研究院武汉南瑞有限责任公司 | Electromagnetic compatibility test system suitable for power equipment |
| CN114034951A (en) * | 2021-10-29 | 2022-02-11 | 许昌开普检测研究院股份有限公司 | Measurement data statistical analysis method and system for noise immunity test |
| CN114397562A (en) * | 2022-03-24 | 2022-04-26 | 北京智芯微电子科技有限公司 | Automatic test method and system for EMC (electro magnetic compatibility) immunity of chip |
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Application publication date: 20181130 |