CN102914553A - Movable device for testing material transmission characteristics - Google Patents
Movable device for testing material transmission characteristics Download PDFInfo
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- CN102914553A CN102914553A CN2012103671259A CN201210367125A CN102914553A CN 102914553 A CN102914553 A CN 102914553A CN 2012103671259 A CN2012103671259 A CN 2012103671259A CN 201210367125 A CN201210367125 A CN 201210367125A CN 102914553 A CN102914553 A CN 102914553A
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Abstract
The invention provides a movable device for testing material transmission characteristics. The device comprises a transmitting antenna and a receiving antenna. The movable device is characterized by also comprising a shielding case, wherein the shielding case comprises a front metal cover and a metal case box; an absorbing material layer is paved at the inner wall of the metal case box; a through hole is arranged on the front metal cover; a test bracket is embedded into the through hole; the material to be tested is arranged inside the test bracket; the receiving antenna is arranged inside the shielding case; the receiving end of the receiving antenna is opposite to the through hole of the front metal cover; and the transmitting antenna is arranged out of the shielding case. The device disclosed by the invention can be used for testing material transmission characteristics under electromagnetic irradiation such as pulses with high-power microwave continuous waves and high-power microwaves by verification. In addition, the whole test system is movable, and the test of the material transmission characteristics under the condition of different incident angles of different electromagnetic wave radiation sources is facilitated.
Description
Technical field
The invention belongs to transmission of materials characteristic test field, relate in particular to a kind of packaged type transmission of materials characteristic test device.
Background technology
At present, along with sandwich (comprise frequency-selective surfaces and energy select surface etc.) technical development with and the expansion of range of application, need to relate to the test (containing the test of transmissison characteristic, reflection characteristic) of its transport property under different time-frequency characteristic electromagnetic fields (containing different capacity continuous wave, Mechanism of High Power Microwave Pulse field etc.) irradiation to the sandwich performance test.
Traditional compound substance measuring transmission loss method as shown in Figure 1, detected materials 3 is installed in the central opening place of inhaling ripple wall 5, transmitting-receiving electromagnetic horn 1,4 is placed on respectively the both sides of inhaling ripple wall 5, utilizes vector network analyzer 2 to carry out the transmission of materials characteristic test.Because compound substance (being detected materials) print is less, in order to guarantee the isolation between dual-mode antenna, requires the dual-mode antenna size little, and dual-mode antenna will be placed on the position very near apart from detected materials.But during the transmission of materials characteristic test, because the emitting antenna enormous size, the test request among Fig. 1 can't be met under carrying out the radiation parameters such as HIGH-POWERED MICROWAVES continuous wave, Mechanism of High Power Microwave Pulse field, may cause above-mentioned method of testing to lose efficacy.
In addition, because HIGH-POWERED MICROWAVES continuous wave, Mechanism of High Power Microwave Pulse field radiation appliance volume are large, it is moved comparatively difficulty, for the ease of carrying out the test of transport property under sandwich different incidence angles, the different polarised direction, whole testing of materials device need can be more convenient move, traditional method of testing can't satisfy above-mentioned test request.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of packaged type transmission of materials characteristic test device is provided, can tests the transport property of material under the different time-frequency electromagnetic wave radiations easily.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: a kind of packaged type transmission of materials characteristic test device, comprise emitting antenna and receiving antenna, it is characterized in that: it also comprises shielding case, shielding case comprises metal bezel and metal chassis box, metal chassis box inwall is equipped with the absorbing material layer, metal bezel is provided with through hole, studs with test bracket in the through hole; Detected materials is installed in the test bracket, and receiving antenna is arranged in the shielding case, and the receiving end of receiving antenna is over against the through hole of metal bezel, and emitting antenna is arranged on outside the shielding case.
Press such scheme, described metal bezel comprises the metal cover board that outline and metal chassis box be complementary and is connected to dismountable plectane on the metal cover board, and metal cover board is provided with the circular hole that is complementary with plectane, and described through hole is opened on the plectane.
Press such scheme, described test bracket is made of stacked conducting plate, the Range-based between the number of plies of the number of sheet metal and thickness and detected materials and each layer detected materials.
Press such scheme, four jiaos of the bottom surfaces of metal chassis box are equipped with roller.
Press such scheme, the bottom surface of metal chassis box is provided with the N-type radio-frequency cable connector that connects for the receiving antenna radio frequency.
Utilize the process of the transport property of apparatus of the present invention test detected materials to be: apparatus of the present invention are placed under the Electromagnetic Field Irradiation to be measured, and mobile apparatus of the present invention are so that electromagnetic wave phase to be measured is to polarised direction, the satisfied measurement of the incident angle requirement of metal bezel.Utilize the electromagnetic wave signal intensity that receiving antenna receives in the oscilloscope measurement shielding case, then detected materials is installed on the testing of materials support, and utilizing oscillograph again to measure the interior signal intensity of shielding case, calculating can obtain the transport property of material under electromagnetic wave to be measured.
Beneficial effect of the present invention is:
1, empirical tests, apparatus of the present invention can be used for the test of transmission of materials characteristic under the Electromagnetic Field Irradiations such as HIGH-POWERED MICROWAVES continuous wave, Mechanism of High Power Microwave Pulse, whole test macro conveniently carries out the measuring transmission loss of material under the different wave electromagnetic radiation source different incidence angles conditions for movably in addition.
2, in metal bezel dismountable plectane is set, can realizes test to the different polarised directions of material by armature, need not to change the position of receiving antenna receiving end.
3, test bracket adopts the structure of stacked conducting plate, can carry out the characteristic test of multi-layer compound structure transmission of materials, and the distance between the change multilayer materials that can be continuous.
4, in the shielding case bottom roller is set, is convenient to the movement of shielding case.
5, metal chassis box bottom arranges N-type radio-frequency cable connector, and the radio frequency of being convenient to receiving antenna in the shielding case connects.
Description of drawings
Fig. 1 is conventional composite materials transfer characteristic test device structural representation.
Fig. 2 is the structural representation of one embodiment of the invention.
Fig. 3 is the explosive view of Fig. 2.
Fig. 4 is cabinet front-cover structure schematic diagram.
Fig. 5 is the test bracket structural representation.
Fig. 6 is for adopting apparatus of the present invention to carry out the design sketch of measuring transmission loss.
Among the figure: 1, emitting antenna, 2, vector network analyzer, 3, detected materials, 4, receiving antenna, 5, inhale the ripple wall, 6, shielding case, 61, metal bezel, 62, N-type radio-frequency cable connector, 63, roller, 64, absorbing material layer, 611, metal cover board, 612, plectane, 613, through hole, 7, test bracket, 71, sheet metal one deck, 72, sheet metal is two layers, and 73, three layers of sheet metals.
Embodiment
Fig. 2 is the structural representation of one embodiment of the invention, Fig. 3 is the explosive view of Fig. 2, comprise emitting antenna 1, receiving antenna 4 and shielding case 6, shielding case 6 comprises metal bezel 61 and metal chassis box, metal chassis box inwall is equipped with absorbing material layer 64, metal bezel 61 is provided with through hole 613, studs with test bracket 7 in the through hole; Detected materials 3 is installed in the test bracket 7, and receiving antenna 4 is arranged in the shielding case 6, and the receiving end of receiving antenna 4 is over against the through hole 613 of metal bezel 61, and emitting antenna 1 is arranged on outside the shielding case 6.Four jiaos of the bottom surfaces of metal chassis box are equipped with roller 63, and the bottom surface of metal chassis box is provided with the N-type radio-frequency cable connector 62 that connects for the receiving antenna radio frequency.
The metal bezel 61 of the present embodiment as shown in Figure 4, comprise the metal cover board 611 that outline and metal chassis box are complementary and be connected to dismountable plectane 612 on the metal cover board, metal cover board 611 is provided with the circular hole that is complementary with plectane 612, and described through hole 613 is opened on the plectane 612.
The test bracket 7 of the present embodiment as shown in Figure 5, consisted of by stacked conducting plate, Range-based between the number of plies of the number of sheet metal and thickness and detected materials and each layer detected materials for example can be made of for three layer 73 sheet metal one deck 71, two layer 72 of sheet metal and sheet metal.
In the present embodiment, shielding case is square aluminum cabinet; Absorbing material layer 64 prevents from producing resonance disturbed test result by the electromagnetic wave that detected materials enters in the cabinet for inhaling the ripple wedge; Test bracket 7 is formed by stacking by the square frame-shaped sheet metal of numerous different-thickness, and the combination of sheet metal that can be by adjusting different-thickness changes the thickness of whole test bracket, and then changes the distance between the multilayer detected materials; The interior length of side of square frame-shaped sheet metal is identical with through hole 613 length of sides, has screw at square frame-shaped sheet metal, detected materials, four jiaos of same position places of through hole, utilizes long spiro nail to be fixed on together square frame-shaped sheet metal, detected materials on the through hole; Plectane is slightly larger than circular hole, so that plectane just in time covers on the circular hole, opens equidistant screw at plectane and circular same position place, utilize screw that plectane is fixed on the circular hole, plectane also is metal material, is connected on the circular hole after detachable, the rotation again, and the junction utilizes Copper Foil to carry out shielding processing; At four jiaos of installations of bottom surface roller of shielding case, be convenient to device is moved; Open small sircle hole at the shielding case corner of going to the bottom, and utilize flange that N-type radio-frequency cable connector is installed in the circular hole place, the port that utilizes cable the N-type connector to be positioned at cabinet connects with the receiving antenna port.
The length of side of shielding case 6 is 1～2m in the present embodiment; Described emitting antenna 1 and receiving antenna 4 adopt 1～18GHz Broadband Horn Antenna; Described absorbing material layer 64 is that the suction ripple wedge of 40cm consists of by length, and is paved with the inboard of metal chassis box; The Circularhole diameter at metal cover board 611 centers is 60cm, and the diameter of plectane 612 is 62cm, and the through hole length of side at plectane 612 centers is 40cm; The outer length of side 42cm of the square metal plate of test bracket 7, interior length of side 40cm, having diameter at square metal plate four jiaos is the circular hole of 3mm, is convenient to utilize screw that whole test bracket 7 and detected materials are fixed on the plectane 612.
Adopt test result and the simulation result of apparatus of the present invention test detected materials transport property to contrast as shown in Figure 6, from figure, can get, the two result is very approaching, therefore adopts apparatus of the present invention to can be used for the test of transmission of materials characteristic under the Electromagnetic Field Irradiations such as HIGH-POWERED MICROWAVES continuous wave, Mechanism of High Power Microwave Pulse.
Claims (5)
1. packaged type transmission of materials characteristic test device, comprise emitting antenna and receiving antenna, it is characterized in that: it also comprises shielding case, shielding case comprises metal bezel and metal chassis box, metal chassis box inwall is equipped with the absorbing material layer, metal bezel is provided with through hole, studs with test bracket in the through hole; Detected materials is installed in the test bracket, and receiving antenna is arranged in the shielding case, and the receiving end of receiving antenna is over against the through hole of metal bezel, and emitting antenna is arranged on outside the shielding case.
2. packaged type transmission of materials characteristic test device according to claim 1, it is characterized in that: described metal bezel comprises the metal cover board that outline and metal chassis box are complementary and is connected to dismountable plectane on the metal cover board, metal cover board is provided with the circular hole that is complementary with plectane, and described through hole is opened on the plectane.
3. packaged type transmission of materials characteristic test device according to claim 1 and 2, it is characterized in that: described test bracket is made of stacked conducting plate, the Range-based between the number of plies of the number of sheet metal and thickness and detected materials and each layer detected materials.
4. packaged type transmission of materials characteristic test device according to claim 1 is characterized in that: four jiaos of the bottom surfaces of metal chassis box are equipped with roller.
5. packaged type transmission of materials characteristic test device according to claim 1 is characterized in that: the bottom surface of metal chassis box is provided with the N-type radio-frequency cable connector that connects for the receiving antenna radio frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012103671259A CN102914553A (en) | 2012-09-28 | 2012-09-28 | Movable device for testing material transmission characteristics |
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| CN2012103671259A CN102914553A (en) | 2012-09-28 | 2012-09-28 | Movable device for testing material transmission characteristics |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412227A (en) * | 2013-08-27 | 2013-11-27 | 中国舰船研究设计中心 | Frequency selection radar antenna housing transmission performance testing system and method based on diffraction suppression |
| CN112596009A (en) * | 2020-11-26 | 2021-04-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Energy selection surface electromagnetic performance testing device and method thereof |
| CN113419114A (en) * | 2021-05-13 | 2021-09-21 | 北京航空航天大学 | Miniaturized broadband electromagnetic shielding testing device and testing method |
| CN113484633A (en) * | 2021-06-07 | 2021-10-08 | 中国工程物理研究院应用电子学研究所 | Shielding effectiveness test system and method suitable for electromagnetic protection performance test of artificial material |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000286588A (en) * | 1999-03-29 | 2000-10-13 | San Technos Kk | Multiple-type rf anechoic chamber |
| US6784670B1 (en) * | 2002-08-21 | 2004-08-31 | The United States Of America As Represented By The Secretary Of The Navy | Dual chambered anechoic chamber |
| CN101373508A (en) * | 2007-08-22 | 2009-02-25 | 资茂科技股份有限公司 | Test device and method suitable for electronic label |
| CN101425856A (en) * | 2008-06-04 | 2009-05-06 | 吴承胜 | Micro darkroom equipment for mobile phone test |
| CN201278145Y (en) * | 2008-08-19 | 2009-07-22 | 研祥智能科技股份有限公司 | CPCI plate card test rack |
| CN201429632Y (en) * | 2009-07-06 | 2010-03-24 | 北京邮电大学 | Portable electromagnetic shielded box |
| JP2011122973A (en) * | 2009-12-11 | 2011-06-23 | Tokyu Construction Co Ltd | Apparatus and method for measuring electromagnetic wave shielding performance |
| CN202013419U (en) * | 2011-03-11 | 2011-10-19 | 江西洪都航空工业集团有限责任公司 | Miniature microwave camera obscura of radar target simulator for testing |
| CN102269783A (en) * | 2010-06-02 | 2011-12-07 | 鸿富锦精密工业（深圳）有限公司 | Fully anechoic chamber |
| KR101100421B1 (en) * | 2009-12-10 | 2011-12-30 | 대구대학교 산학협력단 | Impedance measuring device and method of RFID tag antenna |
| CN202119806U (en) * | 2011-02-24 | 2012-01-18 | 南京南大波平电子信息有限公司 | Portable anechoic chamber |
-
2012
- 2012-09-28 CN CN2012103671259A patent/CN102914553A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000286588A (en) * | 1999-03-29 | 2000-10-13 | San Technos Kk | Multiple-type rf anechoic chamber |
| US6784670B1 (en) * | 2002-08-21 | 2004-08-31 | The United States Of America As Represented By The Secretary Of The Navy | Dual chambered anechoic chamber |
| CN101373508A (en) * | 2007-08-22 | 2009-02-25 | 资茂科技股份有限公司 | Test device and method suitable for electronic label |
| CN101425856A (en) * | 2008-06-04 | 2009-05-06 | 吴承胜 | Micro darkroom equipment for mobile phone test |
| CN201278145Y (en) * | 2008-08-19 | 2009-07-22 | 研祥智能科技股份有限公司 | CPCI plate card test rack |
| CN201429632Y (en) * | 2009-07-06 | 2010-03-24 | 北京邮电大学 | Portable electromagnetic shielded box |
| KR101100421B1 (en) * | 2009-12-10 | 2011-12-30 | 대구대학교 산학협력단 | Impedance measuring device and method of RFID tag antenna |
| JP2011122973A (en) * | 2009-12-11 | 2011-06-23 | Tokyu Construction Co Ltd | Apparatus and method for measuring electromagnetic wave shielding performance |
| CN102269783A (en) * | 2010-06-02 | 2011-12-07 | 鸿富锦精密工业（深圳）有限公司 | Fully anechoic chamber |
| CN202119806U (en) * | 2011-02-24 | 2012-01-18 | 南京南大波平电子信息有限公司 | Portable anechoic chamber |
| CN202013419U (en) * | 2011-03-11 | 2011-10-19 | 江西洪都航空工业集团有限责任公司 | Miniature microwave camera obscura of radar target simulator for testing |
Non-Patent Citations (3)
| Title |
|---|
| 刘川等: "利用屏蔽室壁面的标准测试窗口测量孔缝泄漏及材料的屏蔽效能", 《测试与测量》 * |
| 张滋堃等: "基于LabWindows/CVI的材料屏蔽效能自动测试系统研制", 《仪表技术与传感器》 * |
| 王化吉等: "箱式屏蔽效能测试方法设计", 《测试与测量》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412227A (en) * | 2013-08-27 | 2013-11-27 | 中国舰船研究设计中心 | Frequency selection radar antenna housing transmission performance testing system and method based on diffraction suppression |
| CN103412227B (en) * | 2013-08-27 | 2015-07-08 | 中国舰船研究设计中心 | Frequency selection radar antenna housing transmission performance testing system and method based on diffraction suppression |
| CN112596009A (en) * | 2020-11-26 | 2021-04-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Energy selection surface electromagnetic performance testing device and method thereof |
| CN113419114A (en) * | 2021-05-13 | 2021-09-21 | 北京航空航天大学 | Miniaturized broadband electromagnetic shielding testing device and testing method |
| CN113484633A (en) * | 2021-06-07 | 2021-10-08 | 中国工程物理研究院应用电子学研究所 | Shielding effectiveness test system and method suitable for electromagnetic protection performance test of artificial material |
| CN113484633B (en) * | 2021-06-07 | 2023-04-21 | 中国工程物理研究院应用电子学研究所 | Shielding efficiency test system and method suitable for electromagnetic shielding performance test of artificial material |
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Application publication date: 20130206 |