CN112526270A - Microsecond-level high-voltage pulse high-current electromagnetic environment simulator - Google Patents
Microsecond-level high-voltage pulse high-current electromagnetic environment simulator Download PDFInfo
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- CN112526270A CN112526270A CN202011392726.6A CN202011392726A CN112526270A CN 112526270 A CN112526270 A CN 112526270A CN 202011392726 A CN202011392726 A CN 202011392726A CN 112526270 A CN112526270 A CN 112526270A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims description 10
- 238000012360 testing method Methods 0.000 description 9
- 230000005670 electromagnetic radiation Effects 0.000 description 6
- 230000005684 electric field Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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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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Abstract
The invention discloses a microsecond high-voltage pulse high-current electromagnetic environment simulator, which comprises: the high-voltage power supply supplies power to the simulator, the coaxial pulse generator realizes that the output pulse width and the wavelength of the simulator can be adjusted, the cable radiation device adopts a flat cable, and the field intensity monitoring system and the high-voltage pulse control system form a closed-loop monitoring system of the simulator. The microsecond-level high-voltage pulse high-current electromagnetic environment simulator disclosed by the invention fills the blank that no related simulator exists in China, can provide an electromagnetic environment more approximate to that of an actual electronic product, and provides possibility for electronic equipment to carry out high-voltage pulse electromagnetic environment adaptability examination; the simulator disclosed by the invention adopts a closed-loop monitoring system, effectively improves the generation precision of the high-voltage pulse environment simulator, covers various high-voltage electromagnetic pulse field strengths and types, and has good expandability.
Description
Technical Field
The invention belongs to the field of electronic equipment, and particularly relates to a microsecond high-voltage pulse high-current electromagnetic environment simulator.
Background
At present, along with the improvement of the integration degree of electronic equipment and the wide application of SIP and SOP devices, the anti-electromagnetic interference capability of the electronic equipment is more and more emphasized, and the requirement of establishing a corresponding electromagnetic pulse simulator for simulating electromagnetic environment adaptability examination on sensitive devices and sensitive electronic units is more and more increased.
In the aspect of strong electromagnetic pulse environment, typical electromagnetic pulse of thunder and lightning, transient electromagnetic pulse and high-voltage electromagnetic pulse exist. At present, a lightning electromagnetic pulse environment simulator and a transient electromagnetic pulse simulator are built at home and abroad, but no research is made on the development of the high-voltage pulse environment simulator, and the evaluation test of electronic components for the high-voltage pulse electromagnetic environment cannot be carried out. However, at the moment of triggering, the high-voltage pulse large current will generate electromagnetic radiation with field intensity about kV/m through the transmission line, and such high field intensity is very likely to interfere with and even damage surrounding sensitive devices and sensitive electronic units, so it is necessary to perform battery adaptability examination on electronic components working in the high-voltage pulse electromagnetic environment.
The high-voltage pulse in the invention is triggered by kA current, the waveform is generally sine oscillation attenuation wave, and the voltage reaches over 50 KV.
Therefore, a microsecond-level high-voltage pulse high-current electromagnetic environment simulator is needed to be developed, the blank of the development of the high-voltage pulse environment simulator is filled, and the electronic components can be subjected to adaptability examination in the high-voltage pulse electromagnetic environment.
Disclosure of Invention
In view of the above, the present invention provides a microsecond high voltage pulse high current electromagnetic environment simulator.
In order to achieve the purpose, the invention adopts the following technical scheme: a microsecond high voltage pulsed high current electromagnetic environment simulator, the simulator comprising: high voltage power supply, coaxial pulse generator, cable radiation device, field intensity monitoring system and high-voltage pulse control system, high voltage power supply passes through cable junction with coaxial pulse generator, coaxial pulse generator passes through cable junction with cable radiation device and high-voltage pulse control system respectively, field intensity monitoring system passes through cable junction with high-voltage pulse control system.
Preferably, the coaxial pulse generator can be provided with different pulse width adjusting modules and waveform adjusting modules;
preferably, the cable used in the cable radiation device is a flat cable.
Preferably, the field intensity monitoring system comprises a field intensity probe and a field intensity monitoring module, and the field intensity probe is connected with the field intensity monitoring module through a cable.
Preferably, the high-pressure pulse control system comprises a high-pressure pulse control module, an air source control unit and a PLC control unit, wherein the air source control unit and the PLC control unit are respectively connected with the coaxial pulse generator and the high-pressure pulse control module through cables.
The invention has the beneficial effects that: 1. the high-voltage pulse electromagnetic environment simulator disclosed by the invention fills the blank that no relevant simulator exists in China, provides possibility for the electronic equipment to carry out high-voltage pulse electromagnetic environment adaptability examination, and can effectively improve the electromagnetic environment adaptability and reliability of electronic products used in a high-voltage battery environment by carrying out a high-voltage pulse electromagnetic environment test of relevant electronic equipment; 2. the flat cable is used as a radiator of the cable radiation device, a high-voltage pulse electromagnetic environment with fast attenuation of an induction field-near field can be generated, and the simulation environment is closer to the electromagnetic environment where electronic products are actually located; 3. the coaxial pulse generator adopts a modular design, can realize the adjustability of radiation field intensity and pulse width, covers various high-voltage electromagnetic pulse field intensities and types, and has good expandability; 4. the invention adopts a monitoring, feedback and control closed-loop monitoring system, thereby effectively improving the high-voltage pulse environment generation precision.
Drawings
FIG. 1 is a schematic structural diagram of a microsecond high-voltage pulse high-current electromagnetic environment simulator according to the present invention;
in the figure: 1. the high-voltage power supply 2, the coaxial pulse generator 3, the cable radiation device 4, the field intensity detection system 41, the field intensity probe 42, the field intensity monitoring module 5, the high-voltage pulse control system 51, the high-voltage pulse control module 52, the air source control unit 53.PLC control unit.
Detailed Description
It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.
The invention is described in detail below with reference to the figures and specific embodiments.
The microsecond high-voltage pulse high-current electromagnetic environment simulator shown in fig. 1 comprises the following components:
the simulator includes: high voltage power supply 1, coaxial impulse generator 2, cable radiation device 3, field intensity monitoring system 4 and high-voltage pulse control feedback system 5, high voltage power supply 1 passes through the cable junction with coaxial impulse generator 2, coaxial impulse generator 2 passes through the cable junction with cable radiation device 3 and high-voltage pulse control system 5, field intensity monitoring system passes through the cable junction with high-voltage pulse control system 5.
The high-voltage power supply 1 is mainly used for charging a simulator, a high-power direct-current power supply is adopted, the output voltage is 50kV, 60s primary pulse output can be realized, equipment can continuously operate, a charging protection resistor is arranged in the high-voltage power supply, and an automatic grounding discharge system is arranged in the high-voltage power supply;
the coaxial pulse generator 2 can be provided with different pulse width adjusting modules and waveform adjusting modules, and pulse output with different pulse widths and wavelengths can be realized by replacing different modules.
The cable in the cable radiation device 3 is a flat cable, and the cable can generate a high-voltage pulse electromagnetic environment with rapid attenuation of an induction field-near field.
The field intensity monitoring system 4 comprises a field intensity probe 41 and a field intensity monitoring module 42, wherein the field intensity probe 41 is connected with the field intensity monitoring module 42 through a cable;
the high-pressure pulse control system 5 comprises a high-pressure pulse control module 51, an air source control unit 52 and a PLC control unit 53, wherein the air source control unit 52 and the PLC control unit 53 are respectively connected with the coaxial pulse generator 2 and the high-pressure pulse control module 51 through cables.
The field intensity monitoring system 4, the high-voltage pulse control system 5 and the coaxial pulse generator 2 form a closed-loop monitoring execution system of the simulator, wherein the field intensity probe 41 is placed on the electronic device to be tested and used for measuring the electric field intensity near the electronic device to be tested, the field intensity monitoring module 42 acquires the electric field intensity measured by the field intensity probe 41 and feeds the electric field intensity back to the high-voltage pulse control module 51, and the output current of the coaxial pulse generator 2 is adjusted according to the air source control unit and the PLC control unit in the feedback high-voltage pulse control system 5, so that the radiation electromagnetic field intensity reaches a preset value.
The simulator is used for the electromagnetic radiation adaptability assessment of the electronic element and comprises the following steps:
step 1: preparing before carrying out a test, electrifying the high-voltage pulse electromagnetic environment simulator, checking whether the equipment state is normal or not, and checking whether the grounding of the test equipment is normal or not;
step 2: placing the electronic equipment to be tested at a corresponding position of the simulator, keeping a certain distance between the flat radiation cables, connecting a power line and a field intensity probe of the electronic equipment to be tested, powering up the electronic equipment to be tested, and checking whether the working state of the electronic equipment to be tested is normal or not;
Step 6, recording test data
And 7, shutting down and powering off the high-voltage pulse electromagnetic environment simulator, and ending the test.
Claims (5)
1. A microsecond high voltage pulsed high current electromagnetic environment simulator, the simulator comprising: high voltage power supply (1), coaxial pulse generator (2), cable radiation device (3), field intensity monitoring system (4) and high-voltage pulse control system (5), high voltage power supply (1) passes through cable junction with coaxial pulse generator (2), coaxial pulse generator (2) passes through cable junction with cable radiation device (3) and high-voltage pulse control system (5) respectively, field intensity monitoring system (4) passes through cable junction with high-voltage pulse control system (5).
2. The electromagnetic environment simulator of high-voltage pulsed high-current with microsecond level according to claim 1, characterized in that said coaxial pulse generator (2) is provided with different pulse width modulation modules and waveform modulation modules.
3. The microsecond-level high-voltage pulsed high-current electromagnetic environment simulator according to claim 2, characterized in that the cables in the cable radiating device (3) are flat cables.
4. The microsecond-level high-voltage pulse high-current electromagnetic environment simulator according to claim 3, wherein the field strength monitoring system (4) comprises a field strength probe (41) and a field strength monitoring module (42), and the field strength probe (41) is connected with the field strength monitoring module (42) through a cable.
5. The microsecond-level high-voltage pulse high-current electromagnetic environment simulator according to claim 3, wherein the high-voltage pulse control system (5) comprises a high-voltage pulse control module (51), an air source control unit (52) and a PLC control unit (53), and the air source control unit (52) and the PLC control unit (53) are respectively connected with the coaxial pulse generator (2) and the high-voltage pulse control module (51) through cables.
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| CN202011392726.6A CN112526270A (en) | 2020-12-02 | 2020-12-02 | Microsecond-level high-voltage pulse high-current electromagnetic environment simulator |
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| CN202011392726.6A CN112526270A (en) | 2020-12-02 | 2020-12-02 | Microsecond-level high-voltage pulse high-current electromagnetic environment simulator |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360032A (en) * | 2011-07-18 | 2012-02-22 | 陕西海泰电子有限责任公司 | High-reliability generation device for remotely triggering strong fast rise-time electromagnetic pulse |
| CN105356866A (en) * | 2015-09-23 | 2016-02-24 | 广州昭合环保科技有限公司 | Programmable electromagnetic pulse generator and electromagnetic pulse generation method |
| CN205992891U (en) * | 2016-08-31 | 2017-03-01 | 合肥航太电物理技术有限公司 | One kind can harmonic transient electromagnetic pulse simulator apparatus |
| CN207457374U (en) * | 2017-09-28 | 2018-06-05 | 山西中泰华创科技有限公司 | A kind of armored vehicle vehicle Electromagnetic Simulation system |
| CN108398605A (en) * | 2018-04-04 | 2018-08-14 | 中国人民解放军61489部队 | Atomic surface burst electromagnetic pulse combinational environment simulation system and analogy method |
| CN108663575A (en) * | 2018-04-04 | 2018-10-16 | 中国人民解放军61489部队 | Large-scale shield low-frequency pulse high-intensity magnetic field shield effectiveness test system and test method |
| CN109254207A (en) * | 2018-06-27 | 2019-01-22 | 郑州云海信息技术有限公司 | A kind of cable electromagnetic radiation analysis method and system |
| 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 |
-
2020
- 2020-12-02 CN CN202011392726.6A patent/CN112526270A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360032A (en) * | 2011-07-18 | 2012-02-22 | 陕西海泰电子有限责任公司 | High-reliability generation device for remotely triggering strong fast rise-time electromagnetic pulse |
| CN105356866A (en) * | 2015-09-23 | 2016-02-24 | 广州昭合环保科技有限公司 | Programmable electromagnetic pulse generator and electromagnetic pulse generation method |
| CN205992891U (en) * | 2016-08-31 | 2017-03-01 | 合肥航太电物理技术有限公司 | One kind can harmonic transient electromagnetic pulse simulator apparatus |
| CN207457374U (en) * | 2017-09-28 | 2018-06-05 | 山西中泰华创科技有限公司 | A kind of armored vehicle vehicle Electromagnetic Simulation system |
| CN108398605A (en) * | 2018-04-04 | 2018-08-14 | 中国人民解放军61489部队 | Atomic surface burst electromagnetic pulse combinational environment simulation system and analogy method |
| CN108663575A (en) * | 2018-04-04 | 2018-10-16 | 中国人民解放军61489部队 | Large-scale shield low-frequency pulse high-intensity magnetic field shield effectiveness test system and test method |
| CN109254207A (en) * | 2018-06-27 | 2019-01-22 | 郑州云海信息技术有限公司 | A kind of cable electromagnetic radiation analysis method and system |
| 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 |
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Application publication date: 20210319 |