CN105116369A - Radio frequency radiation disturbance rejection degree test apparatus and system - Google Patents
Radio frequency radiation disturbance rejection degree test apparatus and system Download PDFInfo
- Publication number
- CN105116369A CN105116369A CN201510570328.1A CN201510570328A CN105116369A CN 105116369 A CN105116369 A CN 105116369A CN 201510570328 A CN201510570328 A CN 201510570328A CN 105116369 A CN105116369 A CN 105116369A
- Authority
- CN
- China
- Prior art keywords
- electric energy
- energy meter
- radio
- frequency radiation
- radiation immunity
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Abstract
The invention provides a radio frequency radiation disturbance rejection degree test apparatus and system. The radio frequency radiation disturbance rejection degree test apparatus and system are used for testing the disturbance rejection degree of a tested electric energy meter. The radio frequency disturbance rejection degree test apparatus includes a signal source, a standard source and a standard meter; the standard source, the standard meter and the tested electric energy meter are connected with one another, wherein the tested electric energy meter is arranged in an anechoic chamber, and the signal source, the measured electric energy meter and the standard meter are connected with external control equipment through communication interfaces; the signal source receives external control instructions through the communication interface and applies electromagnetic interference signals of different frequencies to the tested electric energy meter; and measurement data of the standard meter and actually-measured data of the tested electric energy meter are transmitted to the external control equipment through the communication interfaces, so that a radio frequency radiation disturbance rejection degree test can be carried out. Error testing is performed on each step in a test process, and an electric energy meter error test in an electromagnetic field radiation disturbance process can be realized; and after the test, the external control equipment can generate error sensitive point curves for intelligent electric energy meters, and therefore, analysis on the performance of different intelligent electric energy meters can be realized.
Description
Technical field
The present invention relates to power technology, is a kind of radio-frequency radiation immunity test Apparatus and system concretely.
Background technology
The intelligent electric energy meter of current China has arrived or close to developed country's technical standard, production and research and development ability can meet the different demands of international market, and price advantage is obvious, has stronger competitive power in the international market.Along with the carrying out of the continuous propelling of China's intelligent grid construction process and corresponding resident incrementally step price Reform Mode, as the legal measurement instrument ensureing residential electricity consumption safety, the technical requirement of the relevant electric energy metrical instrument such as electric energy meter also improves thereupon.So EMC test detects the requisite pilot project of electric energy meter performance.
At present, the full performance test of intelligent electric energy meter is totally 60 multinomial, wherein has 10 EMC test.Radio frequency electromagnetic field radiation immunity experiment is requisite pilot project in 10 EMC test, and this pilot project main analog wireless device is on the impact of tested intelligent electric energy meter.
In prior art, radio frequency electromagnetic field radiation immunity experiment carries out in anechoic chamber, read and record sheet meter internal data and clock jitter before needing test, then tested intelligent electric energy meter is placed in radio frequency electromagnetic field environment, apply electromagnetic disturbance, after harassing and wrecking applying completes, read and record the table meter internal data after testing and clock jitter, see that before and after test, whether table meter internal data is consistent with clock jitter, and whether the error detecting intelligent electric energy meter is overproof.Prior art radio frequency electromagnetic field radiation immunity experiment can not effectively monitor tested intelligent electric energy meter radio frequency electromagnetic field harassing and wrecking environment in whether normally work, some intelligent electric energy meters before the test after (depart from radio frequency electromagnetic field environment) working properly and work abnormal in process of the test, this situation cannot find timely, cause intelligent electric energy meter and be arranged on the long-term scene by radio frequency electromagnetic field harassing and wrecking, cannot normally work, affect the stability of user power utilization, the accuracy of impact metering, all causes damage to user and country.
In addition, the radio frequency electromagnetic field radiation immunity experiment of prior art cannot be analyzed the duty of intelligent electric energy meter, cannot by the otherness of this analysis of experiments different manufacturers, the superiority-inferiority of the intelligent electric energy meter of each intelligent electric energy meter manufacturer production cannot be evaluated, not comprehensive to the quality management and control of intelligent electric energy meter.
Therefore need badly and set up comprehensively, accurately, integrate the test macro of metering and radio frequency electromagnetic field radiation immunity experiment, realize the duty of monitored over time electric energy meter in test process, and carry out test result display with unified interface, the error of each frequency in process of the test is depicted as sensitive spot curve carry out analyzing and compare according to the otherness of different manufacturers in same experimental enviroment, make science, rational test method, complete the radio frequency electromagnetic field radiation immunity experiment improving intelligent electric energy meter, ensure the safety of residential electricity consumption, accurately, reliably.
Summary of the invention
Embodiments provide a kind of radio-frequency radiation immunity test device, test the immunity to interference of tested electric energy meter, radio-frequency radiation immunity test device comprises: signal source, standard source and standard scale;
Described standard source, standard scale and tested electric energy meter are interconnected, and described tested electric energy meter is arranged at anechoic chamber, and described signal source, tested electric energy meter and standard scale are connected to external control devices by data communication interface; Wherein,
Signal source receives external control instruction by described communication interface, tested electric energy meter is applied to the electromagnetic interference signal of different frequency, the meter constant of standard scale is identical with the meter constant of tested electric energy meter, the measurement data of standard scale and the measured data of tested electric energy meter all by described communications interface transmission to external control devices to carry out radio-frequency radiation immunity test.
In the embodiment of the present invention, described radio-frequency radiation immunity test device also comprises: power amplifier, antenna; Described antenna is connected to signal source by power amplifier.
In the embodiment of the present invention, described radio-frequency radiation immunity test device also comprises: power meter;
Described power amplifier is connected to communication interface by power meter.
In the embodiment of the present invention, standard electric energy meter parameter comprises: voltage, electric current, frequency, meritorious, idle parameter, meter constant.
Meanwhile, the present invention also provides a kind of radio-frequency radiation immunity test system, tests the immunity to interference of tested electric energy meter, and radio-frequency radiation immunity test system comprises: radio-frequency radiation immunity test device and main control computer;
Described radio-frequency radiation immunity test device comprises: signal source, standard source and standard scale;
Described standard source, standard scale and tested electric energy meter are interconnected, and described tested electric energy meter is arranged at anechoic chamber, and described signal source, tested electric energy meter and standard scale are connected to main control computer by data communication interface; Wherein,
Signal source receives external control instruction by described communication interface, tested electric energy meter is applied to the electromagnetic interference signal of different frequency, the meter constant of standard scale should be identical with the meter constant of tested electric energy meter, the measurement data of standard scale and the measured data of tested electric energy meter all by described communications interface transmission to main control computer;
Main control computer, according to the measured data of described standard electric energy meter parameter and tested electric energy meter to carry out radio-frequency radiation immunity test.
In the embodiment of the present invention, described radio-frequency radiation immunity test device also comprises: power amplifier, antenna; Wherein,
Described antenna is connected to signal source by power amplifier.
In the embodiment of the present invention, described radio-frequency radiation immunity test device also comprises: power meter;
Described power amplifier is connected to communication interface by power meter.
In the embodiment of the present invention, standard electric energy meter parameter comprises: voltage, electric current, frequency, meritorious, idle parameter, meter constant.
Main control computer in the embodiment of the present invention comprises:
Error calculating module, generates error information for the measured data according to described described standard electric energy meter parameter and tested electric energy meter;
Curve generation module, for generating the graph of errors of radio-frequency radiation immunity test according to described error information.
For above and other object of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the block diagram of a kind of radio-frequency radiation immunity test device provided by the invention;
Fig. 2 is for providing the block diagram of radio-frequency radiation immunity test device in one embodiment of the invention;
The schematic diagram of a kind of radio-frequency radiation immunity test system that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 is the schematic diagram of an embodiment of the present invention;
Fig. 5 is the simple layer structural drawing of embodiment of the present invention computer control system;
Fig. 6 is based on the process flow diagram of metering with radio frequency electromagnetic field radiation immunity experiment system in the embodiment of the present invention;
Fig. 7 is the error curve diagram of one embodiment of the invention;
Fig. 8 is the error curve diagram of one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of radio-frequency radiation immunity test device, test the immunity to interference of tested electric energy meter, as shown in Figure 1, radio-frequency radiation immunity test device of the present invention comprises: signal source 101, standard source 102 and standard scale 103;
Standard source 102, standard scale 103 and tested electric energy meter 104 are interconnected, and tested electric energy meter 104 is arranged at anechoic chamber, and signal source 101, tested electric energy meter 104 and standard scale 103 are connected to external control devices by data communication interface 105; Wherein,
Signal source 101 is crossed communication interface 105 and is received external control instruction, tested electric energy meter 104 is applied to the electromagnetic interference signal of different frequency, standard scale 103 is by the connection with tested electric energy meter 104, read the pulse of tested electric energy meter, to make the meter constant of standard scale 103 identical with the meter constant of tested electric energy meter 104, the measured data of standard scale measurement data and tested electric energy meter all transfers to external control devices to carry out radio-frequency radiation immunity test by communication interface 105.
In addition, as shown in Figure 2, in the embodiment of the present invention, radio-frequency radiation immunity test device also comprises: power amplifier 106, antenna 108; Antenna 107 is connected to signal source by power amplifier 106.
In the embodiment of the present invention, radio-frequency radiation immunity test device also comprises: power meter 108;
Described power amplifier is connected to communication interface 104 by power meter 108.
In the embodiment of the present invention, the measurement data of standard scale comprises: voltage, electric current, frequency, meritorious, idle parameter, meter constant.
Meanwhile, the present invention also provides a kind of radio-frequency radiation immunity test system, tests the immunity to interference of tested electric energy meter, and as shown in Figure 3, described radio-frequency radiation immunity test system comprises: radio-frequency radiation immunity test device 202 and main control computer 201;
Described radio-frequency radiation immunity test device 202 comprises: signal source 101, standard source 102 and standard scale 103;
Standard source 102, standard scale 103 and tested electric energy meter 104 are interconnected, and tested electric energy meter 102 is arranged at anechoic chamber, and signal source 101, tested electric energy meter 104 and standard scale 103 are connected to main control computer 201 by data communication interface 105; Wherein,
Signal source 101 receives external control instruction by communication interface 105, tested electric energy meter 104 is applied to the electromagnetic interference signal of different frequency, the meter constant of standard scale 103 should be identical with the meter constant of tested electric energy meter 104, the measured data of standard scale measurement data and tested electric energy meter all by described communications interface transmission to main control computer 201 to carry out radio-frequency radiation immunity test.
The invention provides a kind of electric energy meter test system being integrated with metering and radio frequency electromagnetic field radiation immunity experiment, in process of the test, each stepping all carries out error testing, can realize the electric energy meter error test in electromagnetic field radiation harassing and wrecking process; The error sensitive point curve to intelligent electric energy meter is generated, to the analysis of different intelligent electric energy meter performance by external unit after test.
The present invention, by the error information detected in real time in process of the test, has clear and definite cognition to the duty of intelligent electric energy meter on different frequent points, for choosing of later intelligent electric energy meter provides effective scheme with the process of fault.
In order to realize the integrated of measurement detection system and radio frequency electromagnetic field radiation immunity experiment system, reach and detect the requirement whether duty of intelligent electric energy meter in radio frequency electromagnetic field environment meets standard in real time, and graph of errors can be gone out according to the Plotting data of measurement detection system, to facilitate analysis to intelligent electric energy meter sensitive spot in radio frequency electromagnetic field environment and the otherness comparison of different manufacturers in same radio frequency electromagnetic field environment, provide sound assurance for intelligent electric energy meter runs safely and reliably in real work.
The embodiment of the present invention provides a kind of based on metering and radio-frequency radiation immunity experiment system, and be illustrated in figure 4 the schematic diagram of an embodiment of the present invention, it comprises three parts: radio frequency electromagnetic field radiation system, error in dipping detection system, computer control system.
Wherein radio frequency electromagnetic field radiation system mainly realizes applying electromagnetic disturbance signal to tested intelligent electric energy meter; Error in dipping detection system realizes in the environment of electromagnetic disturbance the error-detecting of intelligent electric energy meter and collection; Computer control system can control the operation steps of radio-frequency radiation immunity to interference system and error in dipping detection system data, and has the function such as data processing, drawing.
Computer control system gathers parameters of electric energy meter: voltage, electric current, frequency, meritorious, idle, the mode of connection, tested table model specification and power factor.
The equipment of computer control system major control: signal source, power meter, standard source, standard scale.
Specific embodiments of the invention are made up of anechoic chamber, signal source, power meter, test antenna, power amplifier, and signal source experiment antenna and tested intelligent electric energy meter are arranged in anechoic chamber.Signal source be used in anechoic chamber, to intelligent electric energy meter apply frequency 80MHz-2GHz, field intensity be 10V/m, stepping be 1% electromagnetic disturbance signal.
In the present embodiment, error in dipping detection system is made up of standard scale and standard source, standard source is adopted to apply specified voltage and current to tested intelligent electric energy meter, to be connected with standard source with standard scale simultaneously and to detect, standard scale reads the pulse reading of tested electric energy meter, record the standard value when not having electromagnetic field radiation, and transfer to the calculating that computer control system carries out error, judge whether tested intelligent electric energy meter meets standard-required in radio frequency electromagnetic field environment.The computing formula of error:
wherein x is relative error; A is measured value (measured value of tested intelligent electric energy meter); B is standard value (standard value that standard scale records).
In the present embodiment, computer control system adopts modularization framework, based on bottom VISA agreement, electromagnetic compatibility control system and measurement detection system are controlled, and carry out data processing, according to the speed of EMC test frequency sweep, real-time extracts self registering error information from database, to reach the object detected in real time.An error amount is had for each frequency, according to error amount rendering error sensitive spot curve, the convenient research to intelligent electric energy meter technical feature, and analyze according to the graph of errors of different manufacturers, effectively can judge the quality of the quality of each intelligent electric energy meter producer, the quality of stability, safe, accurate, reliable to the electricity consumption of user, provides effective guarantee.As shown in Figure 5, be the simple layer structural drawing of embodiment of the present invention computer control system.
As shown in Figure 6, in the embodiment of the present invention based on metering and the process flow diagram of radio frequency electromagnetic field radiation immunity experiment system.
1) preparation before test:
Should check before test that whether metering is correct, whether solid and reliable with the interconnector of radio frequency electromagnetic field radiation immunity experiment system; Whether ground connection is good; And according to testing requirements, the line of the tested intelligent electric energy meter of correct connection.
2) preheating:
Equipment required for test is opened also preheating 20 minutes, guarantees that testing equipment can reliablely and stablely run.
3) test parameters is configured:
Be equipped with the parameter of tested intelligent electric energy meter by test macro, select the mode of connection, apply specified electric current and voltage and between reading error and table timing.
4) test is started:
The instruction starting to test is sent out by computer control system radio frequency electromagnetic field radiation immunity system and error detecting system, radio frequency electromagnetic field radiation immunity system applies electromagnetic disturbance to tested intelligent electric energy meter, and by field intensity monitoring equipment, test field intensity is fed back to computer control system, guarantee that test field intensity meets standard-required; Error detecting system Plays source applies specified current/voltage to tested intelligent electric energy meter simultaneously, detect the Real-time Error data of tested intelligent electric energy meter by standard scale, internal table counts, internal table timing clock data, and by above data upload to computer control system.
5) rendering error curve analyzing:
Graph of errors after test is the curve drawn out according to the real-time error in process of the test, according to graph of errors can be very clear and definite find out whether the duty of intelligent electric energy meter in radio frequency electromagnetic field environment meets standard-required, and it is maximum in which frequency fluctuation can to find out tested intelligent electric energy meter according to graph of errors trend, have the greatest impact, thus determine the sensitive spot of intelligent electric energy meter; Graph of errors can be compared according to the graph of errors of different manufacturers after determining, very clearly contrasts the quality of different manufacturers for the compatibility of radio frequency electromagnetic field radiation immunity experiment, for the bid of intelligent electric meter, the process of fault provide sound assurance.
Table 1
| Frequency (MHz) | Error amount % |
| 80 | 0.51 |
| 90 | 0.31 |
| 100 | 0.45 |
| 200 | 0.55 |
| 300 | 0.21 |
| 400 | 0.23 |
| 500 | 0.11 |
| 600 | 0.34 |
| 700 | 0.74 |
| 800 | 0.24 |
| 900 | 0.05 |
| 1000 | 0.09 |
| 2000 | 0.15 |
As shown in Figure 7, be the error curve diagram of one embodiment of the invention, table 1 is corresponding error information table, and from Fig. 7 and table 1, the duty of tested intelligent electric energy meter in electromagnetic compatible environment meets standard-required, all not overproof.The error of tested intelligent electric energy meter is maximum when 700MHz, so 700MHz is the sensitive spot of tested intelligent electric energy meter, electric energy meter to be avoided to be operated near sensitive frequency in installation afterwards and working environment as far as possible, ensure that intelligent electric energy meter is stable, reliably run.
Table 2
| Frequency (MHz) | Error amount % | Error amount % |
| 80 | 0.51 | 0.12 |
| 90 | 0.31 | 0.13 |
| 100 | 0.45 | 0.14 |
| 200 | 0.55 | 0.25 |
| 300 | 0.21 | 0.21 |
| 400 | 0.23 | 0.26 |
| 500 | 0.11 | 0.23 |
| 600 | 0.34 | 0.09 |
| 700 | 0.74 | 0.14 |
| 800 | 0.24 | 0.15 |
| 900 | 0.05 | 0.18 |
| 1000 | 0.09 | 0.20 |
| 2000 | 0.15 | 0.22 |
Utilize the solution of the present invention, two the different duties of intelligent electric energy meter producer in same electromagnetic compatible environment can be judged by error ratio very intuitively to curve.As shown in table 2 and Fig. 8, two intelligent electric energy meters are all not overproof, but stability respective in electromagnetic compatible environment there are differences.The quality that comparison clearly goes out the electric energy meter of curve 801 correspondence is better than curve 802 electric energy meter, and the stability of the intelligent electric energy meter of curve 801 correspondence is higher than curve 802 electric energy meter.Due to the legal measurement instrument that intelligent electric energy meter is China, so the stability of intelligent electric energy meter is more high better, stability is higher, illustrates that intelligent electric energy meter is less by extraneous interference, more the power information of energy accurate-metering user.If bid and purchase electric energy meter, curve 801 electric energy meter obviously to be selected.
Apply specific embodiment in the present invention to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. a radio-frequency radiation immunity test device, tests the immunity to interference of tested electric energy meter, it is characterized in that, described radio-frequency radiation immunity test device comprises: signal source, standard source and standard scale;
Described standard source, standard scale and tested electric energy meter are interconnected, and described tested electric energy meter is arranged at anechoic chamber, and described signal source, tested electric energy meter and standard scale are connected to external control devices by data communication interface; Wherein,
Signal source receives external control instruction by described communication interface, tested electric energy meter is applied to the electromagnetic interference signal of different frequency, the measurement data of standard scale and the measured data of tested electric energy meter all by described communications interface transmission to external control devices to carry out radio-frequency radiation immunity test.
2. radio-frequency radiation immunity test device as claimed in claim 1, it is characterized in that, described radio-frequency radiation immunity test device also comprises: power amplifier, antenna; Wherein,
Described antenna is connected to signal source by power amplifier.
3. radio-frequency radiation immunity test device as claimed in claim 2, it is characterized in that, described radio-frequency radiation immunity test device also comprises: power meter;
Described power amplifier is connected to communication interface by power meter.
4. radio-frequency radiation immunity test device as claimed in claim 3, it is characterized in that, the measurement data of standard scale comprises: voltage, electric current, frequency, meritorious, idle parameter, meter constant.
5. a radio-frequency radiation immunity test system, tests the immunity to interference of tested electric energy meter, it is characterized in that, described radio-frequency radiation immunity test system comprises: radio-frequency radiation immunity test device and main control computer; Wherein,
Described radio-frequency radiation immunity test device comprises: signal source, standard source and standard scale;
Described standard source, standard scale and tested electric energy meter are interconnected, and described tested electric energy meter is arranged at anechoic chamber, and described signal source, tested electric energy meter and standard scale are connected to main control computer by data communication interface; Wherein,
Signal source receives external control instruction by described communication interface, tested electric energy meter is applied to the electromagnetic interference signal of different frequency, the measurement data of standard scale and the measured data of tested electric energy meter all by described communications interface transmission to main control computer;
Main control computer, according to the measured data of described standard scale measurement data and tested electric energy meter to carry out radio-frequency radiation immunity test.
6. radio-frequency radiation immunity test system as claimed in claim 5, it is characterized in that, described radio-frequency radiation immunity test device also comprises: power amplifier, antenna; Wherein,
Described antenna is connected to signal source by power amplifier.
7. radio-frequency radiation immunity test system as claimed in claim 6, it is characterized in that, described radio-frequency radiation immunity test device also comprises: power meter;
Described power amplifier is connected to communication interface by power meter.
8. radio-frequency radiation immunity test system as claimed in claim 7, it is characterized in that, the measurement data of standard scale comprises: voltage, electric current, frequency, meritorious, idle parameter, meter constant.
9. radio-frequency radiation immunity test system as claimed in claim 7, it is characterized in that, described main control computer comprises:
Error calculating module, for generating error information according to the measurement data of described described standard scale and the measured data of tested electric energy meter;
Curve generation module, for generating the graph of errors of radio-frequency radiation immunity test according to described error information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510570328.1A CN105116369A (en) | 2015-09-09 | 2015-09-09 | Radio frequency radiation disturbance rejection degree test apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510570328.1A CN105116369A (en) | 2015-09-09 | 2015-09-09 | Radio frequency radiation disturbance rejection degree test apparatus and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105116369A true CN105116369A (en) | 2015-12-02 |
Family
ID=54664402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510570328.1A Pending CN105116369A (en) | 2015-09-09 | 2015-09-09 | Radio frequency radiation disturbance rejection degree test apparatus and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105116369A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154212A (en) * | 2016-08-31 | 2016-11-23 | 宜兴市森维电子有限公司 | A kind of EFT/B immunity experiment system under the conditions of electric energy meter bringing onto load |
| CN106355979A (en) * | 2016-10-14 | 2017-01-25 | 深圳供电局有限公司 | Electric energy metering error display apparatus and electric energy metering error display method |
| CN106405473A (en) * | 2016-08-29 | 2017-02-15 | 中国电力科学研究院 | Radiation immunity electromagnetic compatibility test system applicable to high voltage metering equipment and radiation immunity electromagnetic compatibility test method |
| CN106569166A (en) * | 2016-10-17 | 2017-04-19 | 中国电力科学研究院 | Testing method for legal metering part of double-core electric energy meter |
| CN106707222A (en) * | 2017-02-13 | 2017-05-24 | 云南电网有限责任公司电力科学研究院 | Signal transmission device |
| CN107102216A (en) * | 2017-03-23 | 2017-08-29 | 北京中科国技信息系统有限公司 | Radiation immunity multisignal source measuring system and method |
| CN107786285A (en) * | 2017-11-18 | 2018-03-09 | 国网河南省电力公司博爱县供电公司 | A kind of power information collection communication performance testing device |
| CN112816930A (en) * | 2020-12-31 | 2021-05-18 | 国家电网有限公司 | Test method and system for determining radiation immunity of electronic transformer |
| CN113777421A (en) * | 2021-08-12 | 2021-12-10 | 西安交通大学 | Power line low-frequency radiation immunity testing system and method based on crosstalk injection |
| CN113917386A (en) * | 2021-09-18 | 2022-01-11 | 浙江瑞银电子有限公司 | A half anechoic chamber for ammeter immunity is experimental |
| 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 |
| CN114384874A (en) * | 2021-12-16 | 2022-04-22 | 江苏核电有限公司 | Data processing method for judging electromagnetic sensitivity of instrument control signal of nuclear power plant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982792A (en) * | 2010-09-29 | 2011-03-02 | 南京航空航天大学 | Test system and method for measurement error and EMS frequency automatic matching of intelligent electric energy meter |
| CN202433517U (en) * | 2012-01-30 | 2012-09-12 | 江苏省计量科学研究院 | Portable EMC (electromagnetic compatibility) test-level detecting device for electric energy meter |
| CN203299295U (en) * | 2013-05-27 | 2013-11-20 | 云南电力试验研究院（集团）有限公司电力研究院 | Radio frequency radiation immunity test device of electric energy acquisition system |
| CN205049727U (en) * | 2015-09-09 | 2016-02-24 | 国网冀北电力有限公司电力科学研究院 | Radio -frequency radiation noise immunity experimental apparatus and system |
-
2015
- 2015-09-09 CN CN201510570328.1A patent/CN105116369A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982792A (en) * | 2010-09-29 | 2011-03-02 | 南京航空航天大学 | Test system and method for measurement error and EMS frequency automatic matching of intelligent electric energy meter |
| CN202433517U (en) * | 2012-01-30 | 2012-09-12 | 江苏省计量科学研究院 | Portable EMC (electromagnetic compatibility) test-level detecting device for electric energy meter |
| CN203299295U (en) * | 2013-05-27 | 2013-11-20 | 云南电力试验研究院（集团）有限公司电力研究院 | Radio frequency radiation immunity test device of electric energy acquisition system |
| CN205049727U (en) * | 2015-09-09 | 2016-02-24 | 国网冀北电力有限公司电力科学研究院 | Radio -frequency radiation noise immunity experimental apparatus and system |
Non-Patent Citations (1)
| Title |
|---|
| 孙晓光: "电能表检定装置抗电磁干扰方法及实现技术研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405473B (en) * | 2016-08-29 | 2024-03-19 | 中国电力科学研究院 | Radiation immunity electromagnetic compatibility testing system and method suitable for high-voltage metering equipment |
| CN106405473A (en) * | 2016-08-29 | 2017-02-15 | 中国电力科学研究院 | Radiation immunity electromagnetic compatibility test system applicable to high voltage metering equipment and radiation immunity electromagnetic compatibility test method |
| CN106154212A (en) * | 2016-08-31 | 2016-11-23 | 宜兴市森维电子有限公司 | A kind of EFT/B immunity experiment system under the conditions of electric energy meter bringing onto load |
| CN106154212B (en) * | 2016-08-31 | 2019-04-30 | 宜兴市森维电子有限公司 | A kind of EFT/B immunity experiment system under the conditions of electric energy meter bringing onto load |
| CN106355979A (en) * | 2016-10-14 | 2017-01-25 | 深圳供电局有限公司 | Electric energy metering error display apparatus and electric energy metering error display method |
| CN106569166A (en) * | 2016-10-17 | 2017-04-19 | 中国电力科学研究院 | Testing method for legal metering part of double-core electric energy meter |
| CN106569166B (en) * | 2016-10-17 | 2019-08-13 | 中国电力科学研究院 | A kind of test method in twin-core electric energy meter legality measurement portion |
| CN106707222A (en) * | 2017-02-13 | 2017-05-24 | 云南电网有限责任公司电力科学研究院 | Signal transmission device |
| CN107102216A (en) * | 2017-03-23 | 2017-08-29 | 北京中科国技信息系统有限公司 | Radiation immunity multisignal source measuring system and method |
| CN107786285A (en) * | 2017-11-18 | 2018-03-09 | 国网河南省电力公司博爱县供电公司 | A kind of power information collection communication performance testing device |
| CN112816930A (en) * | 2020-12-31 | 2021-05-18 | 国家电网有限公司 | Test method and system for determining radiation immunity of electronic transformer |
| CN113777421A (en) * | 2021-08-12 | 2021-12-10 | 西安交通大学 | Power line low-frequency radiation immunity testing system and method based on crosstalk injection |
| CN113917386A (en) * | 2021-09-18 | 2022-01-11 | 浙江瑞银电子有限公司 | A half anechoic chamber for ammeter immunity is experimental |
| 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 |
| CN114384874A (en) * | 2021-12-16 | 2022-04-22 | 江苏核电有限公司 | Data processing method for judging electromagnetic sensitivity of instrument control signal of nuclear power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105116369A (en) | Radio frequency radiation disturbance rejection degree test apparatus and system | |
| CN103424732B (en) | A kind of direct-current electric energy meter calibrating device | |
| CN102012494B (en) | Transformer calibrator and calibration method thereof | |
| CN105911499B (en) | Ultrasonic wave shelf depreciation metering system and method under site environment | |
| CN101482602A (en) | Detection analysis system of relay-protection tester | |
| CN208188313U (en) | A kind of electric energy meter calibrating apparatus with built-in monitoring base table | |
| CN101629995A (en) | Detection method of phasor measurement unit PMU | |
| CN103901388A (en) | Parallel detection terminal device and detection method | |
| CN105467355A (en) | Automatic testing method of electric energy meter and automatic testing device of same | |
| CN104535949A (en) | Power quality monitoring device field calibration method and power quality monitoring device field calibration system | |
| CN103344937B (en) | Intelligent electric energy meter consumption detection equipment and detection method | |
| CN104297664A (en) | Mainboard time sequence measuring device and method | |
| CN103293510A (en) | Device and method for quickly measuring errors of electric energy meter | |
| CN103197276A (en) | Reliability automatic detecting device of intelligent energy meter | |
| CN203350433U (en) | Device capable of rapidly determining error of electric energy meter | |
| CN203178477U (en) | Automatic detection device for reliability of intelligent electric energy meter | |
| CN103983935A (en) | Indicating instrument detecting system and method | |
| CN205049727U (en) | Radio -frequency radiation noise immunity experimental apparatus and system | |
| CN115150875B (en) | Test method and test system for Bluetooth function of intelligent electric energy meter | |
| CN203788304U (en) | Device for testing function of hardware interface | |
| CN202939297U (en) | Verification system for ground resistance tester | |
| CN206132970U (en) | Ultrasonic wave partial discharge measurement system under site environment | |
| CN104375027A (en) | Method and device for testing low-power consumption electronic device and low-power consumption POS terminal | |
| CN103558570A (en) | Portable voltage monitor field calibration tester | |
| CN203881861U (en) | Multifunctional power grounding parameter tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |