CN204045703U - Load is revealed in waveguide - Google Patents
Load is revealed in waveguide Download PDFInfo
- Publication number
- CN204045703U CN204045703U CN201420394287.6U CN201420394287U CN204045703U CN 204045703 U CN204045703 U CN 204045703U CN 201420394287 U CN201420394287 U CN 201420394287U CN 204045703 U CN204045703 U CN 204045703U
- Authority
- CN
- China
- Prior art keywords
- waveguide
- electromagnetic wave
- cavity
- load
- revealed
- 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.)
- Expired - Lifetime
Links
- 239000006096 absorbing agent Substances 0.000 claims abstract description 22
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 208000002925 dental caries Diseases 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- PLAIAIKZKCZEQF-UHFFFAOYSA-N methyl 6-chloro-2-oxo-3h-1,2$l^{4},3-benzodithiazole-4-carboxylate Chemical compound COC(=O)C1=CC(Cl)=CC2=C1NS(=O)S2 PLAIAIKZKCZEQF-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 pottery Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model provide a kind of can with the crack waveguide tube at least with two pipelines with the use of, load is revealed in the waveguide realizing the continuous transmission of signal.Load is revealed in the waveguide that the utility model relates to, and it is characterized in that having: waveguide, for transmitting electromagnetic wave signal, at least comprising two the first cavitys and the second cavity be arranged in parallel; Two wave-absorbers, are separately positioned on the first cavity and the second inside cavity, for absorbing the electromagnetic wave signal of a part; And let out ripple plate, the one end being arranged on waveguide is received by other the first electromagnetic wave elements for allowing the electromagnetic wave signal of another part leak, wherein, the other end of waveguide is provided with opening, and be connected with other second electromagnetic wave elements as link, be provided with demarcation strip between first cavity and the second cavity, the first cavity and the second cavity are respectively used to transmit the two class electromagnetic wave signals that frequency interval each other cannot reach predetermined isolated requirement.
Description
Technical field
The utility model relates to a kind of waveguide and reveals load, particularly has the waveguide revealing electromagnetic wave signal function and reveals load.
Background technology
Now, reliability and fail safe and transmission range are being required that in higher wireless communication system, such as, in urban track traffic wireless telecommunication system, slotted waveguide antenna is widely used.Slotted waveguide antenna can enable to transmit in the waveguide from the Multi-path electricity magnetostatic wave signal of the multiloop loop systems such as the train automatic controlling system based on radio communication (CBTC) in urban track traffic wireless communication technology system, Customer information display system (PIDS), rail transportation vehicle-mounted video monitoring system (vehicle-mounted CCTV system), vehicle-mounted mobile TV system simultaneously.
But, in these systems above-mentioned, due to the roll-off characteristic (any filter can not be all desirable step-like manner) of the filter of electromagnetic signals, electromagnetic wave signal is caused always to there is certain out-of-band radiation, namely our usually alleged transmit scattering.Interference is mutually produced when the existence of transmit scattering can make the narrow multiple signals of isolate bands each other transmit in the waveguide.
In order to avoid producing such interference, just the isolation between these signals must be increased to meet insulation request, RF module is normally adopted to increase isolation, carry out conjunction road, again by Signal transmissions to waveguide, and by the leakage load that is arranged on end by signal radiation leaks to other the second electromagnetic wave elements.Such as, in urban track traffic wireless telecommunication system, it is generally 100dB that isolation of system requires, between signal, the isolate bands of script is 50dB, the isolate bands that RF module can increase is 50dB, and therefore, signal is after RF module, isolate bands can reach 100dB, thus reaches insulation request.
But along with the development of communication, the signal transmitted in each system is on the increase, and the isolate bands between signal is also more and more narrow, even if cause have employed RF module, the isolation between signal is also difficult to meet the demands.Such signal is transmitted by a set of slotted waveguide antenna, cannot communication need be met at all.
In this case, just need about 100 meters, interval to lay a set of radiating guide in addition again, the signal that cannot reach insulation request transmits respectively by two cover radiating guides.But do like this and not only expend equipment, and need to arrange laying space separately, particularly in track traffic, the laying space in tunnel is natively quite compact, and unnecessary laying space cannot be found to lay the second cover radiating guide at all.
In order to solve such problem, human hair is had to understand a kind of crack waveguide tube, as shown in Figure 5, this crack waveguide tube 15 at least has two pipelines 16 and 17 be arranged in parallel, separate with demarcation strip 18 between two pipelines, these two pipelines transmit the two class electromagnetic wave signals that frequency interval each other cannot reach predetermined isolated requirement respectively.
But, existing waveguide reveal load all cannot with the crack waveguide tube 15 of this structure with the use of, therefore, be badly in need of a kind of new waveguide of invention and reveal load.
Utility model content
The utility model have employed following structure to solve above-mentioned problem.
The utility model provides a kind of waveguide to reveal load, it is characterized in that, have: waveguide, for transmitting electromagnetic wave signal, the cavity at least comprising the cavity that two be arranged in parallel is used for transmitting as the first cavity and the second cavity the two class electromagnetic wave signals that frequency interval each other cannot reach predetermined isolated requirement; At least two wave-absorbers, are separately positioned on the inside of cavity described in each, for absorbing the described electromagnetic wave signal of a part; And let out ripple plate, the one end being arranged on described waveguide is received by other the first electromagnetic wave elements for allowing the described electromagnetic wave signal of another part leak, wherein, the other end of described waveguide is provided with opening, and be connected with other second electromagnetic wave elements as link, be provided with demarcation strip between described first cavity and described second cavity.
In addition, load is revealed in the waveguide that the utility model provides can also such feature: the rims of waveguide is provided with flange, is connected for sealing with other second electromagnetic wave elements.
In addition, load is revealed in the waveguide that the utility model provides can also such feature: described one end and other first electromagnetic wave elements described of waveguide are separated by a distance, described wave-absorber is arranged on a precalculated position, makes to let out the described electromagnetic wave signal that ripple plate leaks can be received by other first electromagnetic wave elements described from described.
In addition, load is revealed in the waveguide that the utility model provides can also such feature: 50% ~ 95% of wave-absorber electromagnetic wave absorption signal, and the remainder of electromagnetic wave signal is revealed from letting out ripple plate, and is received by the first electromagnetic wave element.
In addition, load is revealed in the waveguide that the utility model provides can also such feature: wave-absorber is tiltedly the split type thin plate identical with the length of waveguide, be arranged in waveguide near centre but not in the position of middle, this tiltedly splits type thin plate towards the inclination angle of the side, direction of opening is 5 ° ~ 30 °, and the inclination angle back to the side, direction of opening is 30 ° ~ 60 °.
In addition, load is revealed in waveguide that the utility model provides can also such feature: the material of wave-absorber is spinel type ferrite, or is soaked with the cavernous body of powdered carbon, or the dielectric material such as pottery, bakelite plates with metal level or smears the broken end of metal, charcoal.
In addition, load is revealed in the waveguide that the utility model provides can also such feature: other first electromagnetic wave elements are antenna, other second electromagnetic wave elements are the crack waveguide tube with the first pipeline and the second pipe be arranged in parallel, and the first pipeline is connected with the second cavity with the first cavity by stating link with second pipe.
In addition, load is revealed in the waveguide that the utility model provides can also such feature: antenna is slotted waveguide antenna.
In addition, load is revealed in the waveguide that provides of the utility model can also such feature: let out ripple plate and be tightly connected by screw and marine glue and waveguide.
Utility model effect
Load is revealed according to waveguide of the present utility model, because waveguide at least comprises two the first cavitys and the second cavity that be arranged in parallel, can be respectively used to transmit the two class electromagnetic wave signals that frequency interval each other cannot reach predetermined isolated requirement, and the other end of waveguide is provided with opening can be connected with other second electromagnetic wave elements as link, therefore, can with the crack waveguide tube at least with two pipelines with the use of, realize the continuous transmission of signal.
accompanying drawing explanation
Fig. 1 is that the utility model waveguide in an embodiment reveals load from the structural representation viewed from front;
Fig. 2 is that the utility model waveguide in an embodiment reveals load from the structural representation viewed from the back side;
Fig. 3 is the exploded view that load is revealed in the utility model waveguide in an embodiment;
Fig. 4 is the structural representation of the continuous transmission system of the utility model signal in an embodiment; And
Fig. 5 is the structural representation of crack waveguide tube.
embodiment
Describe below in conjunction with the drawings and specific embodiments the waveguide related in detail and reveal load, but protection range of the present utility model is not limited to following execution mode.
< embodiment >
As shown in figures 1-4, waveguide leakage load 10 has waveguide flange 10a, two cavity 10b, demarcation strip 10c, two wave-absorber 10d and lets out ripple plate 10e.
Load 10 is fixedly connected on crack waveguide tube 15 right part by waveguide flange 10a is revealed in waveguide, and waveguide flange 10a and crack waveguide tube 15 adopt welding manner to be fixedly linked.
Two cavity 10b are communicated with the first pipeline 16 is corresponding with second pipe 17 with the second cavity 10b-2 respectively as the first cavity 10b-1, respectively to frequency interval each other cannot reach A, B that predetermined isolated requires two class electromagnetic wave signal transmit.
Demarcation strip 10c, between the first cavity 10b-1 and the second cavity 10b-2, plays buffer action.
In the present embodiment, two cavity 10b and demarcation strip 10c form a double wave conduit.
Two wave-absorber 10d are separately positioned on the precalculated position of the first cavity 10b-1 and the second cavity 10b-2 inside, and it can sponge the electromagnetic wave signal of 50% ~ 95%.
As shown in Figure 3, wave-absorber 10d is identical with the length of double wave conduit, type of tiltedly the splitting thin plate to be shape be two-way inclination angle, and it tiltedly splits inclination angle before opening c1 direction is 5 ° ~ 30 °, retreads that to split inclination angle be 30 ° ~ 60 ° towards opening c2 direction.Be arranged in the first cavity 10b-1 and the second cavity 10b-2 near centre but not in the position of middle.Wave-absorber 10d adopts carbonyl iron dust and epoxy resin to carry out being molded into material, or the wedge shape cavernous body containing carbon dust.
In the present embodiment, the top rake of wave-absorber 10d is 5 ° ~ 30 °, and back rake angle is 30 ° ~ 60 °, and other angles are also passable.
The length of the two ends splitter of wave-absorber 10d is longer, and the assimilation effect of electromagnetic wave signal energy is better, and the performance of coupling is better, and the splitter length in the opening c1 direction of wave-absorber 10d generally gets the integral multiple of λ/2.The splitter length in the opening c2 direction of wave-absorber 10d generally gets the integral multiple of λ/4.Wave-absorber 10d is placed on the most strength of electric field in the first cavity 10b-1 and the second cavity 10b-2 abreast, and wave-absorber 10d strong absorption electromagnetic wave energy under electric field action, makes it reflect and diminish.When needs leak a part of electromagnetic wave signal energy, when making its terminal energy radiant section electromagnetic wave power, just by regulating the physical dimension of wave-absorber 10d, shape, material, quantity or installation site, controlling the energy that electromagnetic wave signal leaks, and can ensure that system is in traveling-wave mode.Therefore in actual application, be not limited only to the size in the present embodiment one, shape, material, quantity or installation site.
Let out ripple plate 10e sealing and be arranged on one end of waveguide, for allowing the electromagnetic wave signal of another part leak, and receive by other electromagnetic wave element.In the present embodiment one, letting out ripple plate 10e is wave transparent plate.This lets out ripple plate 10e can be arbitrary shape, and covers opening, is fixed, the gluing various ways such as to connect is connected with crack waveguide tube 15 by screw.When letting out ripple plate 10e and being connected with crack waveguide tube 15 with screw, can marine glue be used, waterproof and dustproof effect can be played.
Fig. 4 is the structural representation of the slotted waveguide antenna of the utility model in embodiment one.
As shown in Figure 4, in the signal transmitting apparatus 12 of the continuous transmission system 11 of signal, the right-hand member that load 10 is installed in last root crack waveguide tube 15 be positioned on the right side of launch and accept unit 13 is revealed in waveguide, a part of electromagnetic wave signal is leaked in this waveguide leakage load 10, the electromagnetic wave signal leaked and slotted waveguide antenna 14 intensity can be compared, thus make the transmission between two slotted waveguide antennas separated by a distance with continuous print electromagnetic wave signal, there is not signal interruption in the seamless coverage realizing electromagnetic wave signal, ensure that again whole communication system is in traveling-wave mode simultaneously.
The effect of embodiment and effect
Load is revealed in waveguide according to the present embodiment, because waveguide comprises two the first cavitys and the second cavity that be arranged in parallel, frequency interval each other can be respectively used to transmit and A, B two class electromagnetic wave signal that predetermined isolated requires cannot be reached, and the other end of waveguide is provided with opening can be connected with other second electromagnetic wave elements as link, therefore, can with the crack waveguide tube with the first pipeline and second pipe with the use of, realize the continuous transmission of signal.
Certainly, the waveguide involved by the utility model is revealed load and is not merely defined in structure described in the present embodiment.
When needing to coordinate the crack waveguide tube with the pipeline of more than three to use, revealing load as waveguide of the present utility model, the cavity of more than three and the wave-absorber of more than three can also be had.
Claims (8)
1. a load is revealed in waveguide, it is characterized in that having:
Waveguide, for transmitting electromagnetic wave signal, the cavity at least comprising the cavity that two be arranged in parallel is used for transmitting as the first cavity and the second cavity the two class electromagnetic wave signals that frequency interval each other cannot reach predetermined isolated requirement;
At least two wave-absorbers, are separately positioned on the inside of cavity described in each, for absorbing the described electromagnetic wave signal of a part; And
Let out ripple plate, the one end being arranged on described waveguide is received by other the first electromagnetic wave elements for allowing the described electromagnetic wave signal of another part leak,
Wherein, the other end of described waveguide is provided with opening, and is connected with other second electromagnetic wave elements as link,
Demarcation strip is provided with between described first cavity and described second cavity.
2. load is revealed in waveguide according to claim 1, it is characterized in that:
Wherein, the described rims of described waveguide is provided with flange, is connected for sealing with other second electromagnetic wave elements described.
3. load is revealed in waveguide according to claim 2, it is characterized in that:
Wherein, described one end and other first electromagnetic wave elements described of described waveguide are separated by a distance, described wave-absorber is arranged on a precalculated position, makes to let out the described electromagnetic wave signal that ripple plate leaks can be received by other first electromagnetic wave elements described from described.
4. load is revealed in waveguide according to claim 3, it is characterized in that:
Wherein, 50% ~ 95% of described wave-absorber electromagnetic wave absorption signal, the remainder of described electromagnetic wave signal is revealed from described ripple plate of letting out, and is received by described first electromagnetic wave element.
5. load is revealed in the waveguide according to claim 3 or 4, it is characterized in that:
Wherein, described wave-absorber is tiltedly the split type thin plate identical with the length of described waveguide, be arranged in described waveguide near centre but not in the position of middle, this tiltedly splits type thin plate towards the inclination angle of the side, direction of described opening is 5 ° ~ 30 °, and the inclination angle back to the side, direction of described opening is 30 ° ~ 60 °.
6. reveal load according to the waveguide in Claims 1 to 4 described in any one, it is characterized in that:
Wherein, other first electromagnetic wave elements described are antenna,
Other second electromagnetic wave elements described are the crack waveguide tube with the first pipeline and the second pipe be arranged in parallel, and described first pipeline is connected with described second cavity with described first cavity by stating link with described second pipe.
7. load is revealed in waveguide according to claim 6, it is characterized in that:
Wherein, described antenna is slotted waveguide antenna.
8. load is revealed in waveguide according to claim 1, it is characterized in that:
Wherein, let out ripple plate described in be tightly connected by screw and marine glue and described waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394287.6U CN204045703U (en) | 2014-07-16 | 2014-07-16 | Load is revealed in waveguide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420394287.6U CN204045703U (en) | 2014-07-16 | 2014-07-16 | Load is revealed in waveguide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045703U true CN204045703U (en) | 2014-12-24 |
Family
ID=52246334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420394287.6U Expired - Lifetime CN204045703U (en) | 2014-07-16 | 2014-07-16 | Load is revealed in waveguide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204045703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659684A (en) * | 2018-12-20 | 2019-04-19 | 中国科学院上海微系统与信息技术研究所 | One kind leans forward double aperture slit antenna and preparation method thereof |
| CN113178708A (en) * | 2021-05-11 | 2021-07-27 | 西安电子科技大学 | Dual-polarization waveguide slot array antenna |
-
2014
- 2014-07-16 CN CN201420394287.6U patent/CN204045703U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659684A (en) * | 2018-12-20 | 2019-04-19 | 中国科学院上海微系统与信息技术研究所 | One kind leans forward double aperture slit antenna and preparation method thereof |
| CN109659684B (en) * | 2018-12-20 | 2024-01-19 | 中国科学院上海微系统与信息技术研究所 | Forward-tilting double-slit antenna and manufacturing method thereof |
| CN113178708A (en) * | 2021-05-11 | 2021-07-27 | 西安电子科技大学 | Dual-polarization waveguide slot array antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105281042A (en) | Slotted waveguide antenna, signal transmission device and signal continuous transmission system | |
| US8344829B2 (en) | Technique for conveying a wireless-standard signal through a barrier | |
| CN204118228U (en) | Waveguide termination | |
| US8406830B2 (en) | Radio frequency signal transmission system, radio frequency signal transmission connector and radio frequency signal transmission cable | |
| CN104426580A (en) | outdoor coupler unit utilizing circulator network | |
| CN105789799B (en) | A kind of comprehensive carrying communication system leaky waveguide of rail transit field wireless transmission | |
| CN103067095B (en) | Multi-band WIFI parallel transmission system based on waveguide tube transmission medium | |
| CN104363602A (en) | Leaky cable based LTE (long term evolution) wireless signal coverage system in tunnel environment | |
| KR102068561B1 (en) | Device for the two-way inductive coupling of data signals to a power line | |
| CN204045703U (en) | Load is revealed in waveguide | |
| WO2013139859A1 (en) | Leaky transmission line and mimo communication system based on leaky transmission line | |
| CN204272392U (en) | Multi-system access platform | |
| CN103515685A (en) | 4G 3db electric bridge | |
| CN102738597A (en) | Distributed type array antenna system | |
| CN102769161B (en) | Waveguide load | |
| CN103220686A (en) | Public mobile communication network co-construction system | |
| CN202084647U (en) | Slotted waveguide antenna for track traffic | |
| CN203950900U (en) | Waveguide coaxial converter | |
| CN204011733U (en) | The continuous transmission system of slotted waveguide antenna, signal transmitting apparatus and signal | |
| US20170214148A1 (en) | Co-Frequency Full-Duplex Antenna Structure and Electronic Apparatus for Wireless Communications | |
| CN205945712U (en) | Wireless communication device and radio communication system for harbour is automatic | |
| US20150024679A1 (en) | Communication System | |
| KR102505590B1 (en) | Hybrid combiner and wireless communication system using the same | |
| CN104167609A (en) | Method and device for eliminating radiation type leaky cable same frequency interference phenomenon | |
| CN204045738U (en) | Eliminate the device of radial leak cable co-channel interference phenomenon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 201802 Shanghai, Jiading District silver Xiang Road, room 655, No. 1309 Patentee after: CETC SHANGHAI MICROWAVE COMMUNICATION CO.,LTD. Address before: 201802 Shanghai City, Jiading District Nanxiang Town, Shanghai Yi Road No. 185 building 4 Patentee before: CETC MICROWAVE COMMUNICATION (SHANGHAI) CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141224 |