CN107390061A - Using the test system of fiber optic communication electronic device false triggering under strong electromagnetic radiation - Google Patents
Using the test system of fiber optic communication electronic device false triggering under strong electromagnetic radiation Download PDFInfo
- Publication number
- CN107390061A CN107390061A CN201710627595.7A CN201710627595A CN107390061A CN 107390061 A CN107390061 A CN 107390061A CN 201710627595 A CN201710627595 A CN 201710627595A CN 107390061 A CN107390061 A CN 107390061A
- Authority
- CN
- China
- Prior art keywords
- electronic device
- gtem cell
- optical signal
- electro
- signal
- 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
Classifications
-
- 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
- G01R31/003—Environmental or reliability tests
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention discloses the test system of application fiber optic communication electronic device false triggering under strong electromagnetic radiation, including radio-frequency signal generator, power amplifier, gtem cell, electro-optical signal converter, field test instrument, optical fiber, photosignal converter and oscillograph；Radio-frequency signal generator produces rf signal；Power amplifier amplifies radiofrequency signal；The radiofrequency signal of amplification is motivated uniform high frequency electric field by gtem cell around core plate；Electrical to optical converter is used for tested electronic device because false touch electrical signal caused by radiation interference is converted into not by the optical signal of electromagnetic interference；Optical signal is passed in small outdoor photovoltaic converter by optical fiber, is converted into electric signal；Eventually through oscilloscope display false touch electrical signal；The present invention realizes the complete transmission that electric signal is interference-free under strong-electromagnetic field radiation environment, possesses the advantages of shielding external interference and isolation self electromagnetism field are to outside contamination.
Description
Technical field
The invention belongs to test field of measuring technique, particularly one kind applies fiber optic communication electronics device under strong electromagnetic radiation
The test system of part false triggering.
Background technology
With developing rapidly and extensively for the electronic apparatus technology such as electronic computer, information technology, measuring technology, semiconductor
Using the electronic equipment in life and work is more and more, and electromagnetic environment is increasingly severe, to the EMC Requirements of electronic product
It is higher.Generally, the performance of electronic device will determine the degree of finished product of terminal company electromagnetic compatibility, especially in high band, electronics
Device may be exactly an interference source or sensing unit in itself, can bring a large amount of electromagnetic compatibility problems.How electronics is correctly selected
Device, and rationally using the response characteristic of the electric capacity of passive device, inductance characteristic and semiconductor devices, it is necessary to pass through experiment
Solution, analysis electronic device are interfered or produced the factor and mechanism of interference under forceful electric power magnetic environment.
At present, because the experimental situation of equal even strength of electromagnetic field is not easy to prepare, most of electromagnetic interference experiments are noted with electric current
Enter based on experiment, i.e., be directly injected into electric current, observation experiment result in test circuit or electronic device port.Actually electronic unit
And the electromagnetic interference suffered by device is based on the radiation that is subject under electromagnetic environment, or coupled by radiation and produce couple current note
Enter, therefore electric current is directly injected into experiment can not replace radiation experiments completely.But the experimental situation of generally radiation experiments is room
Outer open area test site, capacity usage ratio is low, and producing the electromagnetic field of certain field strength needs higher energy, and electromagnetic exposure is big and tests people
Member's operation difficulty is big.To prevent electromagnetic exposure from being had an impact to surrounding environment, electromagnetic radiation experiment optimal selection be closed, and
And it can produce and be carried out under uniform, high frequency electric field environment.Gtem cell is because its working frequency is wide, internal field strength is uniform, shielding
The advantages that efficiency is good, capacity usage ratio is high becomes the emerging selection of electromagnetic radiation experiment.
Electromagnetic field intensity size when experiment produces false touch electrical signal by measuring electronic device, discriminatory analysis electronics device
Part fails threshold values and mechanism under electromagnetic environment.Because experimenter can not be under strong electromagnetic radiation environment, it is therefore desirable to
False touch electrical signal, which is transferred to outside electromagnetic environment, with wire facilitates experimenter to observe.It is existing for transmission signal be metal
Wire, but because plain conductor can be produced interference electric current, or even left and right experimental result, shadow by electromagnetic field effects in experimental situation
Ring the accuracy of experiment.Therefore a kind of new signal transmission form, can not be disturbed by strong-electromagnetic field, accurate to transmit false touch generating
Signal, it appears particularly important.
The content of the invention
Technical problem solved by the invention is that providing one kind applies fiber optic communication electronic device under strong electromagnetic radiation
The test system of false triggering, easily it is interfered very with solving common metal wire transmitting telecommunication number under strong electromagnetic radiation environment
To the problem of influenceing experiment result accuracy.
The technical solution for realizing the object of the invention is：
A kind of test system using fiber optic communication electronic device false triggering under strong electromagnetic radiation, including radiofrequency signal hair
Raw device, power amplifier, gtem cell, electro-optical signal converter, field test instrument, computer, electro-optical signal converter and
Oscillograph；
The radio-frequency signal generator is used to produce radiofrequency signal, amplifies through power amplifier, transmits to gtem cell,
And for adjusting radiofrequency signal size to adjust electromagnetic field intensity in gtem cell；
The power amplifier input is connected with radio-frequency signal generator, and output end is connected with gtem cell, to incite somebody to action
Radiofrequency signal caused by radio-frequency signal generator is amplified, and is transmitted to gtem cell；
The gtem cell is used to form stabilization, uniform high frequency strong-electromagnetic field, and tested electronic device production is tested to provide
The experimental situation of raw false triggering；
The electro-optical signal converter is located in gtem cell, is connected with tested electronic device, to electronics device to be tested
Part produces false touch electrical signal after by electromagnetic field radiation, and electro-optical signal converter converts the electrical signal to optical signal；
The field test instrument is located in gtem cell, to measure real-time electric-field intensity size in gtem cell；
The computer bit receives the gtem cell internal electric field size for showing field test instrument measurement in outside gtem cell,
To monitoring gtem cell electric field intensity inside high size in real time；
The electro-optical signal converter is located at outside gtem cell, is connected by optical fiber with electro-optical signal converter, is used for
The optical signal that electro-optical signal converter is changed out is converted into electric signal；
The oscillograph is connected with electro-optical signal converter, and the false touch for directly displaying electronic device under test is signaled.
The present invention compared with prior art, its remarkable advantage：
(1) form uniform, high intensity electromagnetic field using gtem cell and radiation experiments are carried out to electronic device under test, noted than electric current
Enter experiment and more conform to actual conditions, obtain the result of more closing to reality situation；Tested compared to darkroom, cost is smaller, more
It is adapted to medium and small-sized experimental subjects；Compared to open area test site, floor space is small, is not easy by external interference and external environment condition is not made
Into electromagnetic pollution.
(2) optical signal for being not easy to disturb is converted electrical signals into using fibre-optic transmission system (FOTS), is reduced because using electric signal
Disturbed caused by transmission, improve the reliability of experiment.
(3) false touch electrical signal caused by oscilloscope display experimentation is utilized, than passing through the transparent of closed experimental situation
The direct observation experiment result of window, more easily show experimental result.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
The test system using fiber optic communication electronic device false triggering under strong electromagnetic radiation that Fig. 1 is the present invention is totally tied
Structure schematic diagram.
Fig. 2 is that the electronic device under test false touch signalling of the present invention produces, electro-optical signal conversion and electro-optical signal turn
Change schematic diagram.
Implication in figure representated by label is：1- radio-frequency signal generators, 2- power amplifiers, the conversion of 3- electro-optical signals
Device, 4-GTEM cells, 5- field test instruments, 6- base platforms, 7- optical fiber, 8- electro-optical signal converters, 9- oscillographs, 10- meters
Calculation machine.
Embodiment
In order to illustrate technical scheme and technical purpose, below in conjunction with the accompanying drawings and specific embodiment is done to the present invention
It is further to introduce.
With reference to Fig. 1, it is of the invention it is a kind of using fiber optic communication under strong electromagnetic radiation electronic device false triggering test system
System, including radio-frequency signal generator 1, power amplifier 2, electro-optical signal converter 3, gtem cell 4, field test instrument 5, base
Seat platform 6, optical fiber 7, electro-optical signal converter 8, oscillograph 9, computer 10；
The radio-frequency signal generator 1 amplifies to produce radiofrequency signal through power amplifier 2, transmits to gtem cell 4
It is interior, and adjust electromagnetic field intensity in gtem cell 4 by adjusting radiofrequency signal size.
The input of power amplifier 2 is connected with radio-frequency signal generator 1, and output end is connected with gtem cell 4.To
Radiofrequency signal caused by radio-frequency signal generator 1 is amplified, transmitted to gtem cell 4.
The gtem cell 4 is used to form stabilization, uniform high frequency (1-2GHz) strong-electromagnetic field (200-500V/m), to carry
The experimental situation of false triggering is produced for testing tested electronic device.
The electro-optical signal converter 3 is located in gtem cell 4, is connected with tested electronic device, to electronics to be tested
Device produces false touch electrical signal after by electromagnetic field radiation, and electro-optical signal converter 3 converts the electrical signal to optical signal.
The field test instrument 5 is located in gtem cell 4, to measure real-time electric-field intensity size in gtem cell 4.
The computer 10 is located at outside gtem cell 4, and the gtem cell for showing that field test instrument 5 measures is received by software
4 internal electric field sizes, to the monitoring electric field intensity inside high size of gtem cell 4 in real time.
The electro-optical signal converter 8 is located at outside gtem cell 4, is connected by optical fiber 7 with electro-optical signal converter 3,
Optical signal for electro-optical signal converter 3 to be changed out is converted into electric signal.
The oscillograph 9 is connected with electro-optical signal converter 8, for directly displaying the trigger signal of electronic device under test.
Further, base platform 6 is additionally provided with the gtem cell 4, the base platform 6 is insulating materials, is used for
The position of electronic device under test is adjusted, so as to which device under test to be placed in the center of Uniform Electromagnetic Field in gtem cell 4.
Preferably, the model HFBR-1414 of the electro-optical signal converter 3.
Preferably, the model HFBR-2416 of the electro-optical signal converter 8.
With reference to Fig. 2, it is of the invention using fiber optic communication under strong electromagnetic radiation electronic device false triggering test system work
When making, first tested electronic device is placed in gtem cell 4, the position of tested electronic device is adjusted by base platform 6, together
When, field test instrument 5 is placed in base platform 6, close proximity to tested electronic device, to measure the week of tested electronic device
Side field strength environment；Uniform high frequency strong electromagnetic is produced in gtem cell 4 by radio-frequency signal generator 1, power amplifier 2
, by the waveform of observation oscilloscope 9, radiofrequency signal size caused by adjustment radio-frequency signal generator 1, further adjust GTEM
Field strength size in cell 4, when the waveform of oscillograph 9 sends bounce, show that tested electronic device produces false touch electrical signal；
Now observation field test instrument 5 measures and is transferred to the field strength data that the computer 10 being placed in outside gtem cell 4 is shown, you can obtains
Electric-field intensity when electronic device produces triggering electric signal must be tested.
From the foregoing, it will be observed that the test system using fiber optic communication electronic device false triggering under strong electromagnetic radiation of the present invention,
Realize the complete transmission that electric signal is interference-free under forceful electric power magnetic environment；Also, the present invention possess shielding external interference and
Completely cut off the advantages of self electromagnetism field is to outside contamination；In addition, the present invention uses oscilloscope display experimental result, more intuitive and convenient
Observation result, add practicality and visuality.
Claims (4)
- A kind of 1. test system using fiber optic communication electronic device false triggering under strong electromagnetic radiation, it is characterised in that including Radio-frequency signal generator (1), power amplifier (2), electro-optical signal converter (3), gtem cell (4), field test instrument (5), Base platform (6), optical fiber (7), electro-optical signal converter (8), oscillograph (9) and computer (10)；The radio-frequency signal generator (1) is used to produce radiofrequency signal, amplifies through power amplifier (2), transmits to gtem cell (4) in, and gtem cell (4) interior electromagnetic field intensity is adjusted by adjusting radiofrequency signal size；Power amplifier (2) input is connected with radio-frequency signal generator (1), and output end is connected with gtem cell (4), uses So that electromagnetic signal caused by signal generator (1) to be amplified, transmit to gtem cell (4)；The gtem cell (4) is used to form stabilization, uniform high frequency strong-electromagnetic field, to provide test tested electronic device production The experimental situation of raw false triggering；The electro-optical signal converter (3) is located in gtem cell (4), is connected with tested electronic device, to electronics to be tested Device produces false touch electrical signal after by electromagnetic field radiation, and electro-optical signal converter (3) converts the electrical signal to optical signal；The field test instrument (5) is located in gtem cell (4), to measure real-time electric-field intensity size in gtem cell (4)；The computer (10) is located at gtem cell (4) outside, receives and shows the gtem cell (4) of field test instrument (5) measurement Internal electric field size, to monitoring gtem cell (4) electric field intensity inside high size in real time；The electro-optical signal converter (8) is located at gtem cell (4) outside, passes through optical fiber (7) and electro-optical signal converter (3) phase Even, the optical signal for electro-optical signal converter (3) to be changed out is converted into electric signal；The oscillograph (9) is connected with electro-optical signal converter (8), to show that the false touch of electronic device under test is signaled.
- 2. the test system of fiber optic communication electronic device false triggering under strong electromagnetic radiation is applied as claimed in claim 1, its It is characterised by, the base platform (6) of the position of adjustment electronic device under test, the pedestal is additionally provided with the gtem cell (4) Platform (6) is insulating materials.
- 3. the test system of fiber optic communication electronic device false triggering under strong electromagnetic radiation is applied as claimed in claim 1, its It is characterised by, the model HFBR-1414 of the electro-optical signal converter (3).
- 4. the test system of fiber optic communication electronic device false triggering under strong electromagnetic radiation is applied as claimed in claim 1, its It is characterised by, the model HFBR-2416 of the electro-optical signal converter (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627595.7A CN107390061A (en) | 2017-07-28 | 2017-07-28 | Using the test system of fiber optic communication electronic device false triggering under strong electromagnetic radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710627595.7A CN107390061A (en) | 2017-07-28 | 2017-07-28 | Using the test system of fiber optic communication electronic device false triggering under strong electromagnetic radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107390061A true CN107390061A (en) | 2017-11-24 |
Family
ID=60342039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710627595.7A Pending CN107390061A (en) | 2017-07-28 | 2017-07-28 | Using the test system of fiber optic communication electronic device false triggering under strong electromagnetic radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107390061A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358247A (en) * | 2018-10-19 | 2019-02-19 | 中国人民解放军军事科学院国防工程研究院 | Electronic equipment electromagnetic environmental effects pilot system and test method under electromagnetic pulse Composite Field environment |
| CN113419115A (en) * | 2021-08-04 | 2021-09-21 | 浙江诺益科技有限公司 | System device suitable for integrated circuit electromagnetic field radiation immunity test |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030042884A1 (en) * | 1999-07-09 | 2003-03-06 | Srico, Inc. | Opto-electric device for measuring the root-mean-square value of an alternating current voltage |
| CN1749766A (en) * | 2005-10-28 | 2006-03-22 | 中国舰船研究设计中心 | Detector of Radar peak value field strength |
| CN1877348A (en) * | 2006-07-10 | 2006-12-13 | 中国舰船研究设计中心 | Transient strong electromagnetic pulse testing device |
| CN102928711A (en) * | 2012-11-01 | 2013-02-13 | 中联重科股份有限公司 | Broadband synchronous online measurement system for conductive electromagnetic disturbance of engineering machinery |
| CN106442634A (en) * | 2016-12-07 | 2017-02-22 | 中国人民解放军军械工程学院 | Coaxial testing device-based field sensitive type electromagnetic pulse protection material testing method |
| CN106772170A (en) * | 2015-11-23 | 2017-05-31 | 中国电力科学研究院 | A kind of calibration method of UHF partial-discharge measuring devices |
-
2017
- 2017-07-28 CN CN201710627595.7A patent/CN107390061A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030042884A1 (en) * | 1999-07-09 | 2003-03-06 | Srico, Inc. | Opto-electric device for measuring the root-mean-square value of an alternating current voltage |
| CN1749766A (en) * | 2005-10-28 | 2006-03-22 | 中国舰船研究设计中心 | Detector of Radar peak value field strength |
| CN1877348A (en) * | 2006-07-10 | 2006-12-13 | 中国舰船研究设计中心 | Transient strong electromagnetic pulse testing device |
| CN102928711A (en) * | 2012-11-01 | 2013-02-13 | 中联重科股份有限公司 | Broadband synchronous online measurement system for conductive electromagnetic disturbance of engineering machinery |
| CN106772170A (en) * | 2015-11-23 | 2017-05-31 | 中国电力科学研究院 | A kind of calibration method of UHF partial-discharge measuring devices |
| CN106442634A (en) * | 2016-12-07 | 2017-02-22 | 中国人民解放军军械工程学院 | Coaxial testing device-based field sensitive type electromagnetic pulse protection material testing method |
Non-Patent Citations (2)
| Title |
|---|
| 周旭: "基于光纤通信技术的电磁辐射测试", 《电信科学》 * |
| 王幸: "典型无线电引信电磁兼容性测试和分析", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109358247A (en) * | 2018-10-19 | 2019-02-19 | 中国人民解放军军事科学院国防工程研究院 | Electronic equipment electromagnetic environmental effects pilot system and test method under electromagnetic pulse Composite Field environment |
| CN109358247B (en) * | 2018-10-19 | 2021-01-12 | 中国人民解放军军事科学院国防工程研究院 | Method for testing electromagnetic environment effect of electronic equipment in electromagnetic pulse composite field environment |
| CN113419115A (en) * | 2021-08-04 | 2021-09-21 | 浙江诺益科技有限公司 | System device suitable for integrated circuit electromagnetic field radiation immunity test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109116182B (en) | Device and method for measuring shielding effectiveness of shielding case of communication cable connector | |
| CN103245926B (en) | Efficient simulation device for partial discharge modes under various faults in high-voltage switch cabinet | |
| CN204065245U (en) | A kind of three-dimensional field test instrument and the distributed field strength measurement device of multinode | |
| CN101533049B (en) | Current radiation transmitting device for measuring cable | |
| CN102116808A (en) | Test device for testing radiosensitivity of electric field and test method thereof | |
| CN109245836A (en) | A kind of test device and method of multi-path-apparatus | |
| CN103163393A (en) | Electro-magnetic interference detecting system for power line conduction | |
| CN104849592A (en) | Radio telescope broadband electromagnetic shielding effectiveness detection system and detection method thereof | |
| CN105044494A (en) | Surface current injection measurement method used for electromagnetic compatibility test | |
| CN101292169B (en) | Device for measuring the loss factor | |
| Yazdani et al. | Passive wireless sensor for measuring AC electric field in the vicinity of high-voltage apparatus | |
| CN107390061A (en) | Using the test system of fiber optic communication electronic device false triggering under strong electromagnetic radiation | |
| CN104090173B (en) | The distributed field strength measurement system and method for a kind of multinode based on Bluetooth communication | |
| CN107588873A (en) | A kind of fibre-optical sensing device with electromagnetic environment monitor function | |
| CN107179451A (en) | Integrated low frequency noise measurement device | |
| CN110058089A (en) | A kind of probe measuring transient electromagnetic field | |
| CN203224615U (en) | High efficient simulation device providing partial discharge signals under different faults of high voltage switch cabinet | |
| CN109839553A (en) | A kind of EMC Design of Automatic Test System based on virtual instrument | |
| CN112578192A (en) | Time domain pulse shielding effectiveness testing device and method for small shielding body | |
| CN111551814A (en) | Method for testing electromagnetic environment effect of monitoring system in variable-rising-edge wide-pulse electric field environment | |
| CN112763809B (en) | Electromagnetic environment signal dynamic simulation device and method | |
| CN213903613U (en) | Integrated field uniformity calibration signal generation device | |
| CN109541515A (en) | Superfrequency electromagnetic interference simulation system | |
| CN105808800A (en) | Leakage radiation simulation and prediction method for electronic equipment cabinet | |
| He et al. | Design of Nanosecond-level Transient Electric Field Sensor and its Application in HVDC Converter Station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20171124 |