CN202720810U - Electromagnetic field, electromagnetic wave and antenna test system - Google Patents
Electromagnetic field, electromagnetic wave and antenna test system Download PDFInfo
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- CN202720810U CN202720810U CN 201220441452 CN201220441452U CN202720810U CN 202720810 U CN202720810 U CN 202720810U CN 201220441452 CN201220441452 CN 201220441452 CN 201220441452 U CN201220441452 U CN 201220441452U CN 202720810 U CN202720810 U CN 202720810U
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Abstract
The utility model relates to an electromagnetic field, electromagnetic wave and antenna test system, wherein structurally, a multi-polarized antenna, a reflection baffle plate and a rotation dial are all mounted on a slide rail, the rotation dial is located between the multi-polarized antenna and the reflection baffle plate, between the slide rail and the multi-polarized antenna and between the reflection baffle plate and the rotation dial there are respectively provided a scale indication apparatus, both ends of a coaxial measuring line are respectively connected with a gradual changer, a coupling slide block is slidably connected with the coaxial measuring line, between the coupling slide block and the coaxial measuring line there is provided a scale indication apparatus, the electromagnetic wave output terminal of an electromagnetic wave emission host is connected with the multi-polarized antenna and one gradual changer respectively through radio frequency cables, the other gradual changer is connected with a matched load, and the coupling slide block is connected with the input end of a detector through a lead. The electromagnetic field, electromagnetic wave and antenna test system integrates interestingness, diversity, verification performance and development performance in one body, provides a now means for studying electromagnetic field and electromagnetic wave, and is simple in structure convenient in mounting, obvious in experiment effect, and strong in developmentable performance.
Description
Technical field;
The technical program belongs to the instruments used for education field, and specifically a kind of electromagnetic field, electromagnetism involve Antenna testing system.
Background technology
Electromagnetic wave is a kind of motion morphology of electromagnetic field.Electricity can say one integrity with both sides with magnetic, and electric current can produce magnetic field, and the magnetic field of change then can generation current.The electric field and the changing magnetic field that change have consisted of an inseparable unified field, Here it is electromagnetic field, and the propagation of electromagnetic field in the space that changes formed electromagnetic wave, the change of electromagnetism is just as breezy water surface generation ripples, therefore be called as electromagnetic wave, also often be called electric wave.
With having experimental results show that electromagnetic existence so far, electromagnetic theory deepened constantly in 100 years from hertz in 1888, and its application constantly enlarges.Electromagnetic wave is used widely as epochmaking natural resources.The Russian scientists Popov had been invented first radiotelegraph system in 1895.Voice communication in 1914 becomes possibility.Nineteen twenty commercial radio broadcasting is brought into use, and has invented radar the thirties in 20th century, the forties radar and can obtain develop rapidly by letter, An artificial satellite has been launched from first of the fifties, the satellite communication cause obtains fast development.Nowadays electromagnetic wave is widely used in all many-sides such as communication, remote sensing, space rover, Military Application, scientific researches, a lot of colleges and universities also are made as major to the course of this respect, and therefore the knowledge aspect modern society's study electro magnetic field electromagnetic ripple is extremely important.
Summary of the invention
The purpose of this utility model has provided a kind of propagation characteristic of electromagnetic wave in different medium of studying, the generation of electromagnetic field and feature, the principle of antenna and the experimental provision of parameter measurement.Solved the bottleneck of Electromagnetic Fields ﹠ Magnetic Waves experimental teachings, with invisible, abstract Electromagnetic Fields ﹠ Magnetic Waves and the theory teaching of antenna are analyzed by experimental phenomena intuitively, integrate simultaneously demonstration, checking, secondary development.The concrete technical scheme that this electromagnetic field, electromagnetism involve Antenna testing system is:
A kind of electromagnetic field, electromagnetism involve Antenna testing system, comprise electromagnetic wave emission main frame, multi-polarization antenna, reflecting curtain, rotation scale, slide rail, coaxial slotted line, coupling slide, taper, matched load and wave detector, and described taper has two;
Described multi-polarization antenna, reflecting curtain and rotation scale all are contained on the slide rail, and rotation scale is between multi-polarization antenna and reflecting curtain, and the distance between the three is adjustable; Be provided with scale indication device between described slide rail and multi-polarization antenna, reflecting curtain and the rotation scale;
The two ends of described coaxial slotted line connect respectively a taper; Coupling slide is slidingly connected on the coaxial slotted line; Be provided with scale indication device between described coupling slide and the coaxial slotted line;
The electromagnetic wave output terminal of described electromagnetic wave emission main frame connects respectively multi-polarization antenna and a taper by radio-frequency cable; Another taper matching connection load; Described coupling slide is connected with the input end of wave detector by wire.
Described multi-polarization antenna is fixed on slide rail one end, and reflecting curtain and rotation scale are connected on the slide rail by sliding connecting device respectively.
Being provided with scale indication device between described slide rail and reflecting curtain and the rotation scale is:
A, be provided with scale at slide rail, be provided with pointer at sliding connecting device;
Perhaps B, slide rail are numeral induction slide rails, are provided with inductor and digital display module at sliding connecting device.Wherein the B mode adopts scheme of the prior art, for example is used for the scale display technique of digital display type vernier caliper.
Described sliding connecting device is moving sliding sleeve; Described reflecting curtain is connected on the moving sliding sleeve by the reflecting plate bracing frame; Described rotation scale is connected on the moving sliding sleeve by the rotary inductive support; Described multi-polarization antenna is connected on the antenna fixing seat by the poliarizing antenna bracing frame, and antenna fixing seat is fixedly connected on slide rail one end; The other end of slide rail is connected with fixed stop.
Being provided with scale indication device between described coupling slide and the coaxial slotted line is: be provided with rule at the coaxial slotted line outside surface.
The dark insulating protective film of numeral induction slide rail surface coverage one deck.
In the time of concrete engineering, moving sliding sleeve adopts digital lcd to show sliding distance, selects to possess simultaneously the product of digital reset and Protection Counter Functions.Rotation scale is product of the prior art, is made by nonmetallic electrically non-conductive material, and the above is printed on angle value.
The beneficial effects of the utility model are: abstract invisible electro magnetic field electromagnetic ripple is theoretical, reflect by experimental phenomena intuitively, the interest of experiment has been deepened the understanding of user to knowwhy, and simultaneously induction antenna can self manufacture, on the basis of understanding Principle of Antenna, can design different antennas tests as inductor, this device collection is interesting, diversity, checking property, expansion is integrated, and a kind of new tool of learning the Electromagnetic Fields ﹠ Magnetic Waves theory is provided.This apparatus structure is simple, and is easy for installation, and experiment effect is obvious, and exploitability is strong.
Description of drawings
Fig. 1 is the overall schematic after electro magnetic field electromagnetic involves the Antenna testing system installation;
Fig. 2 is the local enlarged diagram of moving sliding sleeve;
Fig. 3 is the whole enlarged diagram of rotation scale;
Among the figure, 1-T shape support, 2-numeral induction slide rail, 3-moving sliding sleeve, the 4-multi-polarization antenna, 5-reflecting curtain, 6-rotary inductive support, 7-rotation scale, 8-electromagnetic wave emission main frame, 9-taper, 10-coupling slide, the 11-coaxial slotted line, 12-wave detector, 13-fixed dam, 14-induction end holder, 15-rule, 16-antenna fixing seat, 17-reflecting plate moving sliding sleeve, 18-poliarizing antenna bracing frame, 19-reflecting plate bracing frame.
Embodiment
A kind of electromagnetic field, electromagnetism involve Antenna testing system, comprise electromagnetic wave emission main frame, multi-polarization antenna, reflecting curtain, rotation scale, slide rail, coaxial slotted line, coupling slide, taper, matched load and wave detector, and described taper has two; Described multi-polarization antenna, reflecting curtain and rotation scale all are contained on the slide rail, and rotation scale is between multi-polarization antenna and reflecting curtain, and the distance between the three is adjustable; Be provided with scale indication device between described slide rail and multi-polarization antenna, reflecting curtain and the rotation scale; The two ends of described coaxial slotted line connect respectively a taper; Coupling slide is slidingly connected on the coaxial slotted line; Be provided with scale indication device between described coupling slide and the coaxial slotted line; The electromagnetic wave output terminal of described electromagnetic wave emission main frame connects respectively multi-polarization antenna and a taper by radio-frequency cable; Another taper matching connection load; Described coupling slide is connected with the input end of wave detector by wire.
Described multi-polarization antenna is fixed on slide rail one end, and reflecting curtain and rotation scale are connected on the slide rail by sliding connecting device respectively.
Being provided with scale indication device between described slide rail and reflecting curtain and the rotation scale is:
A, be provided with scale at slide rail, be provided with pointer at sliding connecting device;
Perhaps B, slide rail are numeral induction slide rails, are provided with inductor and digital display module at sliding connecting device.Wherein the B mode adopts scheme of the prior art, for example is used for the scale display technique of digital display type vernier caliper.
Described sliding connecting device is moving sliding sleeve; Described reflecting curtain is connected on the moving sliding sleeve by the reflecting plate bracing frame; Described rotation scale is connected on the moving sliding sleeve by the rotary inductive support; Described multi-polarization antenna is connected on the antenna fixing seat by the poliarizing antenna bracing frame, and antenna fixing seat is fixedly connected on slide rail one end; The other end of slide rail is connected with fixed stop.
Being provided with scale indication device between described coupling slide and the coaxial slotted line is: be provided with rule at the coaxial slotted line outside surface.
The dark insulating protective film of numeral induction slide rail surface coverage one deck.
Next explain to the utility model Electromagnetic Fields ﹠ Magnetic Waves and below the Antenna testing system work with reference to Figure of description:
Two T shape supports are assemblied in respectively the two ends of numeral induction slide rail, T shape support stands on the desktop, multi-polarization antenna is assemblied on the antenna fixing seat, antenna fixing seat is assemblied in the left end of numeral induction slide rail, with moving sliding sleeve, the reflecting plate moving sliding sleeve is nested on the numeral induction slide rail, when moving sliding sleeve is slided in the plane successively, moving sliding sleeve simultaneously digital lcd shows the distance of sliding, and can regulate the tightness that slides by hexagonal screw rod.Fixed dam is assemblied in numeral induction slide rail low order end, prevents that moving sliding sleeve from skidding off.Reflecting curtain is fixed on the reflecting plate moving sliding sleeve, and rotation scale links to each other with the rotary inductive support, be inserted on the induction end holder, and can 360 degree rotations.Electromagnetic wave emission host output end is connected with multi-polarization antenna.Two tapers are installed in respectively the coaxial slotted line two ends, and coupling slide is inserted in the coaxial slotted line groove, slide at surface level, and on rule range of a signal.Coupling slide output termination wave detector is sent detecting circuit.
Described moving sliding sleeve shows sliding distance by induction installation; implementation is that digital lcd shows; numeral is responded on the slide rail without scale mark; there is the damp proof diaphragm of the dark abrasionproof of one deck on the surface, and the rotary inductive support adopts nonmetallic materials to make, and can insert 360 degree rotations in the induction end holder groove; rotation scale is that semicircle nonmetallic materials are made; the above prints angle index, changes inductor position in the space, records angle value.
Electromagnetic wave emission main frame is delivered to electromagnetic wave in the coaxial slotted line through taper by radio-frequency cable, and other end taper connects matched load, and electromagnetic wave transmits in inner wire.With coupling slide, be placed on the slotted line and slide, coupling slide connects wave detector and sends detecting circuit, when sliding, finds out the maximum point V of voltage
MAx, namely be in the crest place, find out the smallest point V of voltage
MIN, recording simultaneously the L1 at voltage maximum point place on the rule, the L2 at voltage smallest point place obtains top data, just can calculate related data, then changes, and the load that other end taper connects is measured open circuit, the data in the multiple situation such as short circuit.
In Fig. 1: multi-polarization antenna links to each other by screw thread rotation with the poliarizing antenna bracing frame, and be fixed on the antenna fixing seat, antenna pedestal is fixed with numeral induction slide rail, keep the poliarizing antenna surface level to keep vertical with numeral induction slide rail bearing of trend, induction end holder and moving sliding sleeve are screwed, be nested on the numeral induction slide rail, press on ﹠ off switch, show sliding distance.The reflecting plate moving sliding sleeve is nested on the numeral induction slide rail, fixed dam is screwed in low order end, reflecting curtain is connected with the reflecting plate bracing frame.Rotation scale is inserted on the induction end holder by revolving screw rod and the rotary inductive support fixes, can 360 degree rotations.Rotation scale can change the anglec of rotation, and observation inductor accepting state is measured the anglec of rotation simultaneously.Taper is installed in the coaxial slotted line two ends, and electromagnetic wave emission main frame is connected to taper one end by cable, another termination load.Coupling slide on slide, rule can reflect sliding distance.
In Fig. 2, moving sliding sleeve is connected with the induction end holder, and moving sliding sleeve leaves display interface; numeral shows distance of reaction, and can open over cap replacing battery and carry out electric power storage, leaves operating switch and reset button; the slidably again zero clearing to the optional position, and beginning is counted again.
In Fig. 3, rotation scale is carved with angle system by revolving screw rod and the rotary inductive support is fixed on the fan dial, relying on optional screw rod is fulcrum, rotation changes inductor state in the space, leaves mounting hole on the rotation scale, can fix homemade induction antenna.
Claims (6)
1. an electromagnetic field, electromagnetism involve Antenna testing system, it is characterized in that comprising electromagnetic wave emission main frame, multi-polarization antenna, reflecting curtain, rotation scale, slide rail, coaxial slotted line, coupling slide, taper, matched load and wave detector, described taper has two;
Described multi-polarization antenna, reflecting curtain and rotation scale all are contained on the slide rail, and rotation scale is between multi-polarization antenna and reflecting curtain, and the distance between the three is adjustable; Be provided with scale indication device between described slide rail and multi-polarization antenna, reflecting curtain and the rotation scale;
The two ends of described coaxial slotted line connect respectively a taper; Coupling slide is slidingly connected on the coaxial slotted line; Be provided with scale indication device between described coupling slide and the coaxial slotted line;
The electromagnetic wave output terminal of described electromagnetic wave emission main frame connects respectively multi-polarization antenna and a taper by radio-frequency cable; Another taper matching connection load; Described coupling slide is connected with the input end of wave detector by wire.
2. electromagnetic field according to claim 1, electromagnetism involve Antenna testing system, it is characterized in that described multi-polarization antenna is fixed on slide rail one end, and reflecting curtain and rotation scale are connected on the slide rail by sliding connecting device respectively.
3. electromagnetic field according to claim 1 and 2, electromagnetism involve Antenna testing system, it is characterized in that being provided with scale indication device between described slide rail and reflecting curtain and the rotation scale is:
A, be provided with scale at slide rail, be provided with pointer at sliding connecting device;
Perhaps:
B, slide rail are numeral induction slide rails, are provided with inductor and digital display module at sliding connecting device.
4. electromagnetic field according to claim 2, electromagnetism involve Antenna testing system, it is characterized in that described sliding connecting device is moving sliding sleeve; Described reflecting curtain is connected on the moving sliding sleeve by the reflecting plate bracing frame; Described rotation scale is connected on the moving sliding sleeve by the rotary inductive support;
Described multi-polarization antenna is connected on the antenna fixing seat by the poliarizing antenna bracing frame, and antenna fixing seat is fixedly connected on slide rail one end; The other end of slide rail is connected with fixed stop.
5. electromagnetic field according to claim 1, electromagnetism involve Antenna testing system, it is characterized in that being provided with scale indication device between described coupling slide and the coaxial slotted line is: be provided with rule at the coaxial slotted line outside surface.
6. electromagnetic field according to claim 3, electromagnetism involve Antenna testing system, it is characterized in that the dark insulating protective film of numeral induction slide rail surface coverage one deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220441452 CN202720810U (en) | 2012-08-31 | 2012-08-31 | Electromagnetic field, electromagnetic wave and antenna test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220441452 CN202720810U (en) | 2012-08-31 | 2012-08-31 | Electromagnetic field, electromagnetic wave and antenna test system |
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| Publication Number | Publication Date |
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| CN202720810U true CN202720810U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220441452 Ceased CN202720810U (en) | 2012-08-31 | 2012-08-31 | Electromagnetic field, electromagnetic wave and antenna test system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150954A (en) * | 2013-04-11 | 2013-06-12 | 青岛大学 | Method for demonstrating shielding effect of photonic crystal |
| CN104422826A (en) * | 2013-08-19 | 2015-03-18 | 鸿富锦精密电子(天津)有限公司 | Anechoic chamber and electric wave test device thereof |
| CN106448389A (en) * | 2016-12-07 | 2017-02-22 | 成都市金明星科技有限公司 | Visual interactive electromagnetic wave experiment teaching system and control method |
| CN106448385A (en) * | 2016-11-03 | 2017-02-22 | 余姚市智达教仪设备成套有限公司 | Hertz experiment demonstration device |
| CN109921868A (en) * | 2019-02-27 | 2019-06-21 | Oppo广东移动通信有限公司 | A kind of technological equipment and a kind of measurement method of the radiation value of electronic device |
| CN110361707A (en) * | 2019-08-09 | 2019-10-22 | 成都玖锦科技有限公司 | The motion state Dynamic Simulation Method of radiation source |
| CN113160673A (en) * | 2021-05-06 | 2021-07-23 | 华北电力大学 | Electromagnetic field and electromagnetic wave experimental device and experimental method |
-
2012
- 2012-08-31 CN CN 201220441452 patent/CN202720810U/en not_active Ceased
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150954A (en) * | 2013-04-11 | 2013-06-12 | 青岛大学 | Method for demonstrating shielding effect of photonic crystal |
| CN103150954B (en) * | 2013-04-11 | 2014-09-10 | 青岛大学 | Method for demonstrating shielding effect of photonic crystal |
| CN104422826A (en) * | 2013-08-19 | 2015-03-18 | 鸿富锦精密电子(天津)有限公司 | Anechoic chamber and electric wave test device thereof |
| CN106448385A (en) * | 2016-11-03 | 2017-02-22 | 余姚市智达教仪设备成套有限公司 | Hertz experiment demonstration device |
| CN106448385B (en) * | 2016-11-03 | 2019-06-04 | 余姚市智达教仪设备成套有限公司 | Hertzian experiment demonstration device |
| CN106448389A (en) * | 2016-12-07 | 2017-02-22 | 成都市金明星科技有限公司 | Visual interactive electromagnetic wave experiment teaching system and control method |
| CN106448389B (en) * | 2016-12-07 | 2023-02-24 | 成都市金明星科技有限公司 | Visual interactive electromagnetic wave experiment teaching system and control method |
| CN109921868A (en) * | 2019-02-27 | 2019-06-21 | Oppo广东移动通信有限公司 | A kind of technological equipment and a kind of measurement method of the radiation value of electronic device |
| CN109921868B (en) * | 2019-02-27 | 2021-04-27 | Oppo广东移动通信有限公司 | Technological equipment and method for measuring radiation value of electronic device |
| CN110361707A (en) * | 2019-08-09 | 2019-10-22 | 成都玖锦科技有限公司 | The motion state Dynamic Simulation Method of radiation source |
| CN110361707B (en) * | 2019-08-09 | 2023-03-14 | 成都玖锦科技有限公司 | Dynamic simulation method for motion state of radiation source |
| CN113160673A (en) * | 2021-05-06 | 2021-07-23 | 华北电力大学 | Electromagnetic field and electromagnetic wave experimental device and experimental method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20131024 Decision number of declaring invalidation: 21354 Granted publication date: 20130206 |