CN109490654B - Multilayer FSS screen lightning coupling effect test device and test method - Google Patents
Multilayer FSS screen lightning coupling effect test device and test method Download PDFInfo
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- CN109490654B CN109490654B CN201810771306.5A CN201810771306A CN109490654B CN 109490654 B CN109490654 B CN 109490654B CN 201810771306 A CN201810771306 A CN 201810771306A CN 109490654 B CN109490654 B CN 109490654B
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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
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Abstract
The invention discloses a lightning coupling effect test device for a multilayer FSS screen, which comprises a high-voltage electrode, a flat grounding electrode, a plurality of insulating supports and a test piece, wherein the insulating supports are arranged at two ends of the upper surface of the flat grounding electrode, the test piece is arranged on the insulating supports, the high-voltage electrode is arranged above the test piece by 10-20 mm, and the test of the lightning coupling effect between the multilayer FSS screens can be realized by arranging a plurality of groups of insulating supports and the test piece in a laminated manner.
Description
Technical Field
The invention relates to the technical field of radar cover lightning protection, in particular to a device and a method for testing lightning coupling effect of a multilayer FSS screen.
Background
Inside pre-buried metal infinitesimal structure of FSS radome is in order to play frequency selection or stealthy purpose, and some high performance radomes adopt multilayer FSS to screen the structure, and inside pre-buried metal infinitesimal is more easily suffered by the thunderbolt when the lightning protection is experimental, and the research to FSS radome lightning protection still is in blank at present, and the lightning response characteristic of FSS structure lacks relatively.
In order to improve the lightning protection performance of the FSS radome, the lightning coupling effect of the multiple layers of FSS is required to be researched, and because the FSS screen is positioned in the radome, the coupling effect of the FSS is difficult to detect by a traditional test method, a novel experimental device and a novel test method are required to be adopted.
Disclosure of Invention
The technical problems solved by the invention are as follows: the testing device and the testing method for the lightning coupling effect of the multilayer FSS screen are provided to solve the problem that the coupling effect of the FSS screen cannot be detected by a traditional testing method.
The technical scheme of the invention is as follows:
the testing device comprises a high-voltage electrode, a flat grounding electrode, a plurality of insulating supports and a test piece, wherein the insulating supports are arranged at two ends of the upper surface of the flat grounding electrode, the test piece is arranged on the insulating supports, and the high-voltage electrode is arranged above the test piece by 10-20 mm.
The test piece is an FSS screen.
The high-voltage electrode is of a cylindrical structure, the lower end of the high-voltage electrode is a fillet, and the radius of the fillet is 45-55 mm.
The radius of the high-voltage electrode is 250mm-350 mm.
A lightning coupling effect test device for a multilayer FSS screen comprises the following steps:
firstly, placing an insulating support on a flat ground electrode, and horizontally placing a test piece on the insulating support;
secondly, connecting the high-voltage electrode with an impulse voltage generator;
and thirdly, adjusting the output voltage of the impulse voltage generator, adjusting the voltage step by step, wherein the starting voltage is 1kV, 1kV is added every time, observing and recording the test condition, keeping the impulse voltage unchanged when discharge occurs between multiple layers of test pieces or between the test pieces and the flat grounding electrode, and then observing and recording the discharge condition for multiple times.
The invention has the beneficial effects that: the invention provides a testing device and a testing method for lightning coupling effect of a multilayer FSS screen.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic diagram of a high voltage electrode according to the present invention;
the labels in the figure are: 1. high voltage electrode, 2, test piece, 3, insulating support, 4, flat grounding electrode.
Detailed Description
The invention is further described with reference to the accompanying drawings, and the multilayer FSS screen lightning coupling effect test device comprises a high-voltage electrode 1, a flat grounding electrode 4, a plurality of insulating supports 3 and a test piece 2, wherein the insulating supports 3 are arranged at two ends of the upper surface of the flat grounding electrode 4, the test piece 2 is arranged on the insulating supports 3, and the high-voltage electrode 1 is arranged 10mm-20mm above the test piece 2 to form a discharge gap.
The test piece 2 is an FSS screen.
The high-voltage electrode 1 is of a cylindrical structure, the lower end of the high-voltage electrode 1 is a fillet, the radius of the fillet is 45-55 mm, and the electric field concentration phenomenon generated by sharp edges of the high-voltage electrode 1 is eliminated.
The radius of the high-voltage electrode 1 is 250mm-350mm, which is beneficial to forming a uniform electric field between the end surface of the high-voltage electrode 1 and the flat grounding electrode 4.
A lightning coupling effect test device for a multilayer FSS screen comprises the following steps:
firstly, placing an insulating support 3 on a flat grounding electrode 4, and horizontally placing a test piece 2 on the insulating support 3;
secondly, connecting the high-voltage electrode 1 with an impulse voltage generator;
and thirdly, adjusting the output voltage of the impulse voltage generator, adjusting the voltage step by step, wherein the starting voltage is 1kV, 1kV is added every time, observing and recording the test condition, keeping the impulse voltage unchanged when discharge occurs between the multilayer test pieces 2 or between the test pieces 2 and the flat grounding electrode 4, and then observing and recording the discharge condition for multiple times.
Claims (3)
1. The utility model provides a multilayer FSS screen thunder and lightning coupling effect test device which characterized in that: including high voltage electrode (1), dull and stereotyped telluric electricity field (4) and a plurality of insulation support (3) and test piece (2), insulation support (3) set up at dull and stereotyped telluric electricity field (4) upper surface both ends, test piece (2) level set up on insulation support (3), high voltage electrode (1) set up in test piece (2) top 10mm-20mm department, high voltage electrode (1) be cylindrical structure, high voltage electrode (1) lower extreme is the fillet, fillet radius be 45mm-55mm, high voltage electrode (1) radius be 250mm-350 mm.
2. The lightning coupling effect test device for the multilayer FSS screen, according to claim 1, is characterized in that: the test piece (2) is an FSS screen.
3. The utility model provides a multilayer FSS screen thunder and lightning coupling effect test device which characterized in that: the test method comprises the following steps:
firstly, placing an insulating support (3) on a flat grounding electrode (4), and horizontally placing a test piece (2) on the insulating support (3);
secondly, connecting the high-voltage electrode (1) with an impulse voltage generator;
and thirdly, adjusting the output voltage of the impulse voltage generator, adjusting the voltage step by step, wherein the starting voltage is 1kV, increasing 1kV every time, observing and recording the test condition, keeping the impulse voltage unchanged when discharge occurs between the multilayer test pieces (2) or between the test pieces (2) and the flat grounding electrode (4), and then observing and recording the discharge condition for multiple times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771306.5A CN109490654B (en) | 2018-07-13 | 2018-07-13 | Multilayer FSS screen lightning coupling effect test device and test method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810771306.5A CN109490654B (en) | 2018-07-13 | 2018-07-13 | Multilayer FSS screen lightning coupling effect test device and test method |
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| Publication Number | Publication Date |
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| CN109490654A CN109490654A (en) | 2019-03-19 |
| CN109490654B true CN109490654B (en) | 2021-04-20 |
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| CN201810771306.5A Active CN109490654B (en) | 2018-07-13 | 2018-07-13 | Multilayer FSS screen lightning coupling effect test device and test method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111510230A (en) * | 2020-04-16 | 2020-08-07 | 河套学院 | Lightning electromagnetic pulse damage effect determination method for airborne VHF communication radio station |
| CN114355128B (en) * | 2022-03-22 | 2022-05-17 | 合肥航太电物理技术有限公司 | Multi-electrode near lightning stroke pulse electric field effect test method and device |
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| CN105186131A (en) * | 2015-07-13 | 2015-12-23 | 中国电子科技集团公司第十研究所 | Preparation method of multilayer FSS antenna radome anti-media substrate layering |
| CN106025564A (en) * | 2016-06-13 | 2016-10-12 | 西安电子科技大学 | Transmission beam control method employing multi-layer FSSs |
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| JP2005109638A (en) * | 2003-09-29 | 2005-04-21 | Yokohama Rubber Co Ltd:The | Optimizing system for object with multilayer frequency selection board assembled therein and optimizing program therefor |
| CN102637953A (en) * | 2012-05-04 | 2012-08-15 | 中国科学院长春光学精密机械与物理研究所 | Frequency-selection-surface invisible radome with dielectric medium truss structure |
| CN103346367A (en) * | 2013-06-24 | 2013-10-09 | 中国科学院长春光学精密机械与物理研究所 | Spatial filter with temperature control transmission band switch |
| CN203465379U (en) * | 2013-07-30 | 2014-03-05 | 山西省电力公司太原供电分公司 | Test platform for pin plate model of partial discharge test |
| CN203798931U (en) * | 2014-04-11 | 2014-08-27 | 辽宁工业大学 | Airborne antenna lighting effect test system |
| CN105527514B (en) * | 2015-11-30 | 2018-05-22 | 北京宇航系统工程研究所 | A kind of special vehicle vehicle thunder and lightning indirect effect test method |
| US9876280B1 (en) * | 2015-12-07 | 2018-01-23 | Raytheon Company | Radome with radio frequency filtering surface |
| CN106707055B (en) * | 2016-11-23 | 2019-02-22 | 北京电子工程总体研究所 | A kind of antenna lightning surge coupling test method based on GTEM |
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|---|---|---|---|---|
| CN105186131A (en) * | 2015-07-13 | 2015-12-23 | 中国电子科技集团公司第十研究所 | Preparation method of multilayer FSS antenna radome anti-media substrate layering |
| CN106025564A (en) * | 2016-06-13 | 2016-10-12 | 西安电子科技大学 | Transmission beam control method employing multi-layer FSSs |
Non-Patent Citations (2)
| Title |
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| Multi-layer FSS for Gain Improvement of a Wide-Band Stacked Printed Antenna;Shashibhushan Kumar等;《ISAP》;20151231;全文 * |
| 基于FSS技术的天线罩电性能设计影响因素研究;杨帆等;《宇航材料工艺》;20150430;全文 * |
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