CN111682296B - Length-adjustable waveguide device - Google Patents
Length-adjustable waveguide device Download PDFInfo
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- CN111682296B CN111682296B CN202010474655.8A CN202010474655A CN111682296B CN 111682296 B CN111682296 B CN 111682296B CN 202010474655 A CN202010474655 A CN 202010474655A CN 111682296 B CN111682296 B CN 111682296B
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- waveguide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
Abstract
The invention discloses a length-adjustable waveguide device, which comprises: the wave guide structure comprises a first wave guide tube for transmitting electromagnetic waves, a second wave guide tube for transmitting the electromagnetic waves and a probe for coupling the first wave guide tube and the second wave guide tube, wherein the second wave guide tube is provided with a guide groove communicated with the inside of the second wave guide tube, one end of the probe is connected with the side surface of the first wave guide tube, the other end of the probe penetrates through the guide groove and is positioned in the second wave guide tube so that the electromagnetic waves are transmitted between the first wave guide tube and the second wave guide tube, and the first wave guide tube drives the probe to slide along the extending path of the guide groove so as to adjust the relative position of the first wave guide tube and the second wave guide tube. The invention can increase or reduce the whole length of the first waveguide tube and the second waveguide tube, thereby improving the use convenience of the length-adjustable waveguide device and improving the application range of the length-adjustable waveguide device.
Description
Technical Field
The invention belongs to the technical field of electromagnetic wave transmission, and particularly relates to a length-adjustable waveguide device.
Background
At present, the wave guide is a hollow metal tube with a very smooth inner wall or a metal-clad tube for transmitting ultrahigh frequency electromagnetic waves, and the cross-sectional shape of the common wave guide has a rectangular or circular shape through which electromagnetic waves can be transmitted with very little loss. Generally, a waveguide comprises a hollow pipe and two flanges, wherein the two flanges are respectively connected to two ends of the pipe, the length of the pipe is fixed, and other equipment is connected through the two flanges. Specifically, on the satellite communication antenna, the two ends of the conduit are respectively connected with a power amplifier and an antenna feed source.
However, utilize the dual-band antenna that double feed source loudspeaker were designed, in the use, the dual-band antenna is when switching feed source loudspeaker, the relative power amplifier of feed source takes place the displacement, the distance between power amplifier and the feed source loudspeaker needs to change, need to change the feed source about promptly, the rear end of feed source passes through the waveguide pipe and is connected with the power amplifier, because the power amplifier is overweight and space restriction, the power amplifier can not remove about following the feed source, and the position of the relative power amplifier of feed source loudspeaker need control automatically regulated, traditional adjustable length waveguide device promptly, because the length of waveguide pipe is fixed unchangeable, lead to the use inconveniently easily, the range of application is narrow.
Disclosure of Invention
An object of the embodiments of the present application is to provide a length-adjustable waveguide device, which aims to solve the problem of how to adjust the length of a waveguide.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided a length-tunable waveguide apparatus for transmitting an electromagnetic wave, the length-tunable waveguide apparatus including: the wave guide structure comprises a first wave guide tube for transmitting the electromagnetic waves, a second wave guide tube for transmitting the electromagnetic waves and a probe for coupling the first wave guide tube and the second wave guide tube, wherein the second wave guide tube is provided with a guide groove communicated with the interior of the second wave guide tube, one end of the probe is connected with the side surface of the first wave guide tube, the other end of the probe penetrates through the guide groove and is positioned in the second wave guide tube, so that the electromagnetic waves are transmitted between the first wave guide tube and the second wave guide tube, and the first wave guide tube drives the probe to slide along the extending path of the guide groove so as to adjust the relative position of the first wave guide tube and the second wave guide tube.
In one embodiment, the extension path of the guide groove is curved.
In one embodiment, the extension path of the guide groove is linearly arranged.
In one embodiment, the extending path of the guide groove is arranged along the axial direction of the second waveguide.
In one embodiment, the waveguide device with adjustable length further comprises a guide structure, the guide structure comprises a sliding guide rail connected with the side surface of the first waveguide tube, the sliding guide rail is in sliding fit with the guide groove, and one end of the probe is connected with the sliding guide rail.
In one embodiment, the guide structure further includes a limiting plate located in the second waveguide, a side plate surface of the limiting plate is connected to the sliding guide rail and spaced from the probe, and two ends of the limiting plate respectively abut against two side notch edges of the guide groove.
In one embodiment, the guide structure further includes a waveguide cover for sealing a pipe orifice at one end of the second waveguide pipe, the waveguide cover is connected to the limiting plate and located inside the second waveguide pipe, and the probe is located between the waveguide cover and the pipe orifice at the other end of the second waveguide pipe.
In one embodiment, the first waveguide has a rectangular cross-sectional shape.
In one embodiment, the second waveguide has a rectangular cross-sectional shape.
In one embodiment, the waveguide structure further includes a first flange connected to the first waveguide and a second flange connected to the second waveguide, and the first flange and the probe are respectively located at two ends of the first waveguide.
The beneficial effect of this application lies in: one end of the first waveguide and one end of the second waveguide are in sliding connection through the matching of the probe and the guide groove, the first waveguide and the second waveguide are arranged in a stacked mode in space, and then the first waveguide and the second waveguide move in opposite directions or slide back to back, so that the relative positions of the first waveguide and the second waveguide are changed, namely the overall length of the first waveguide and the second waveguide is increased or reduced, the other ends of the first waveguide and the second waveguide can adapt to different connection positions, the use convenience of the length-adjustable waveguide device is improved, and the application range of the length-adjustable waveguide device is enlarged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a perspective view of a waveguide device with adjustable length according to an embodiment of the present disclosure;
FIG. 2 is a perspective view of the first waveguide and the second waveguide of FIG. 1 after they have been moved back;
FIG. 3 is an exploded view of the tunable length waveguide assembly of FIG. 1;
fig. 4 is a cross-sectional view of the tunable length waveguide assembly of fig. 1.
Wherein, in the figures, the respective reference numerals:
100. a length adjustable waveguide device; 10. a wave guiding structure; 11. a first waveguide; 12. a second waveguide; 13. a first flange plate; 14. a second flange plate; 15. a probe; 20. a guide structure; 21. a sliding guide rail; 22. a limiting plate; 23. a waveguide cover; 121. a guide groove.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and fig. 2, a length tunable waveguide device 100 for directionally transmitting ultrahigh frequency electromagnetic waves is provided according to an embodiment of the present application. Referring to fig. 3 and 4, the waveguide device 100 with adjustable length includes a waveguide structure 10, wherein the waveguide structure 10 includes a first waveguide 11 for transmitting electromagnetic waves, a second waveguide 12 for transmitting electromagnetic waves, and a probe 15 for coupling the first waveguide 11 and the second waveguide 12. Alternatively, the first waveguide tube 11 and the second waveguide tube 12 are each made of a metal material, and specifically, the metal material may be metallic aluminum. The second waveguide 12 is provided with a guide groove 121 communicating with the inside thereof, one end of the probe 15 is connected to the side surface of the first waveguide 11, and the other end of the probe 15 penetrates through the guide groove 121 and is located in the second waveguide 12. Alternatively, the electromagnetic wave may enter the first waveguide 11 from one end of the first waveguide 11, enter one end of the second waveguide 12 by signal coupling of the probe 15, and be output to a predetermined position from the other end of the second waveguide 12. It is understood that the electromagnetic wave may enter the second waveguide 12 from one end of the second waveguide 12, enter one end of the first waveguide 11 by signal coupling of the probe 15, and be output to a predetermined position from the other end of the first waveguide 11. The first waveguide 11 drives the probe 15 to slide along the extending path of the guide groove 121, so as to adjust the relative positions of the first waveguide 11 and the second waveguide 12.
One end of the first waveguide 11 and one end of the second waveguide 12 are slidably connected through the matching of the probe 15 and the guide groove 121, and the first waveguide 11 and the second waveguide 12 are stacked in space, and then the first waveguide 11 and the second waveguide 12 are moved toward or away from each other to change the relative position of the first waveguide 11 and the second waveguide 12, that is, the overall length of the first waveguide 11 and the second waveguide 12 is increased or decreased, so that the other end of the first waveguide 11 and the other end of the second waveguide 12 can be adapted to different connection positions, thereby improving the convenience of the length-adjustable waveguide device 100 and the application range of the length-adjustable waveguide device 100.
Optionally, the first waveguide 11 is connected to the end of the probe 15, so as to avoid the electromagnetic wave from being transmitted out of the nozzle of the end and being lost.
Referring to fig. 3 and 4, in one embodiment, the extending path of the guide groove 121 is curved. Alternatively, the path of the guide groove 121 is arranged in an "S" or "L" shape, so that the probe 15 and the guide groove 121 are matched to change the spatial positions of the free end of the first waveguide tube 11 and the free end of the second waveguide tube 12 as well as the lengths of the first waveguide tube 11 and the second waveguide tube 12, so that the waveguide device 100 with adjustable length can adapt to different spatial connection positions.
In one embodiment, the extension path of the guide groove 121 is linearly arranged. Alternatively, the extending path of the guide groove 121 is arranged along the axial direction of the second waveguide 12. That is, the first waveguide 11 and the second waveguide 12 slide relatively, so that the overall lengths of the first waveguide 11 and the second waveguide 12 are adjusted to be suitable for different connection positions.
In one embodiment, the waveguide device 100 further includes a guiding structure 20, the guiding structure 20 includes a sliding rail 21 connected to a side surface of the first waveguide 11, the sliding rail 21 is slidably engaged with the guiding groove 121, and one end of the probe 15 is connected to the sliding rail 21. The sliding guide rail 21 is slidably fitted in the guide groove 121, whereby the first waveguide 11 and the second waveguide 12 are guided to slide smoothly.
Alternatively, the first waveguide 11, the slide rail 21, and the probe 15 are integrally formed.
Referring to fig. 1 and 3, in an embodiment, the guiding structure 20 further includes a limiting plate 22 located inside the second waveguide tube 12, a side plate of the limiting plate 22 is connected to the sliding guide 21 and spaced apart from the probe 15, and two ends of the limiting plate 22 respectively abut against two side notch edges of the guiding groove 121. Alternatively, the width of the stopper plate 22 is larger than the width of the guide groove 121, so that the first waveguide 11 and the second waveguide 12 are detachably connected together, and the first waveguide 11 and the second waveguide 12 are prevented from being separated in a direction perpendicular to the axial direction thereof.
In one embodiment, the guiding structure 20 further includes a waveguide cover 23 for sealing a nozzle at one end of the second waveguide 12, the waveguide cover 23 is connected to the limiting plate 22 and located inside the second waveguide 12, and the probe 15 is located between the waveguide cover 23 and the nozzle at the other end of the second waveguide 12. It can be understood that the waveguide cover 23 is used to prevent the loss of the electromagnetic wave and to improve the transmission efficiency of the electromagnetic wave.
In one embodiment, the first waveguide 11 is rectangular in cross-sectional shape, and the second waveguide 12 is also rectangular in cross-sectional shape.
Referring to fig. 2 and 4, in an embodiment, the waveguide structure 10 further includes a first flange 13 connected to the first waveguide 11 and a second flange 14 connected to the second waveguide 12, wherein the first flange 13 and the probe 15 are respectively disposed at two ends of the first waveguide 11. Alternatively, the free end of the first waveguide 11 may be connected to an external structural member through the first flange 13, and the free end of the second waveguide 12 may be connected to an external structural member through the second flange 14.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. A length tunable waveguide device for transmitting an electromagnetic wave, comprising: the wave guide structure comprises a first wave guide tube for transmitting the electromagnetic waves, a second wave guide tube for transmitting the electromagnetic waves and a probe for coupling the first wave guide tube and the second wave guide tube, wherein the second wave guide tube is provided with a guide groove communicated with the inside of the second wave guide tube, one end of the probe is connected to the side surface of the first wave guide tube and is positioned in the first wave guide tube, the other end of the probe penetrates through the guide groove and is positioned in the second wave guide tube, so that the electromagnetic waves are transmitted between the first wave guide tube and the second wave guide tube through signal coupling of the probe, and the first wave guide tube drives the probe to slide along the extending path of the guide groove so as to adjust the relative position of the first wave guide tube and the second wave guide tube.
2. The length tunable waveguide assembly of claim 1, wherein: the extending path of the guide groove is arranged in a curve.
3. The length tunable waveguide assembly of claim 1, wherein: the extending path of the guide groove is linearly arranged.
4. The length tunable waveguide assembly of claim 2, wherein: the extending path of the guide groove is arranged along the axial direction of the second waveguide.
5. The length tunable waveguide assembly of claim 1, wherein: the length-adjustable waveguide device further comprises a guide structure, the guide structure comprises a sliding guide rail connected with the side surface of the first waveguide tube, the sliding guide rail is in sliding fit with the guide groove, and one end of the probe is connected with the sliding guide rail and connected with the first waveguide tube at the side surface of the first waveguide tube.
6. The length tunable waveguide assembly of claim 5, wherein: the guide structure further comprises a limiting plate located in the second guide tube, one side of the limiting plate is connected with the sliding guide rail and is arranged at an interval with the probe, and two ends of the limiting plate are respectively abutted to two side notch edges of the guide groove.
7. The length tunable waveguide assembly of claim 6, wherein: the guide structure is characterized by further comprising a waveguide cover used for sealing the opening at one end of the second waveguide tube, the waveguide cover is connected with the limiting plate and located in the second waveguide tube, and the probe is located between the waveguide cover and the opening at the other end of the second waveguide tube.
8. The length tunable waveguide assembly of any one of claims 1-7, wherein: the cross section of the first waveguide is rectangular.
9. The length tunable waveguide assembly of any one of claims 1-7, wherein: the cross section of the second waveguide tube is rectangular.
10. The length tunable waveguide assembly of any one of claims 1-7, wherein: the guided wave structure further comprises a first flange plate connected with the first guided wave tube and a second flange plate connected with the second guided wave tube, and the first flange plate and the probe are respectively located at two ends of the first guided wave tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474655.8A CN111682296B (en) | 2020-05-29 | 2020-05-29 | Length-adjustable waveguide device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474655.8A CN111682296B (en) | 2020-05-29 | 2020-05-29 | Length-adjustable waveguide device |
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| CN111682296A CN111682296A (en) | 2020-09-18 |
| CN111682296B true CN111682296B (en) | 2021-09-21 |
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Citations (5)
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| US3972013A (en) * | 1975-04-17 | 1976-07-27 | Hughes Aircraft Company | Adjustable sliding electrical contact for waveguide post and coaxial line termination |
| JP2003298322A (en) * | 2002-03-29 | 2003-10-17 | Shimada Phys & Chem Ind Co Ltd | Waveguide/microstrip line transducer and transducer component |
| CN106249362A (en) * | 2012-07-10 | 2016-12-21 | 3M创新有限公司 | Wireless connector and wireless communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2310392Y (en) * | 1997-06-12 | 1999-03-10 | 江瑞荣 | Electromagnet wave transmission convertor with high partial polarization resistance |
| CN108321483A (en) * | 2018-04-02 | 2018-07-24 | 珠海纳睿达科技有限公司 | Waveguide power divider |
| CN209607895U (en) * | 2019-02-28 | 2019-11-08 | 深圳铭杰医疗科技有限公司 | A kind of waveguide, waveguide assemblies and accelerator system |
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2020
- 2020-05-29 CN CN202010474655.8A patent/CN111682296B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| US3972013A (en) * | 1975-04-17 | 1976-07-27 | Hughes Aircraft Company | Adjustable sliding electrical contact for waveguide post and coaxial line termination |
| JP2003298322A (en) * | 2002-03-29 | 2003-10-17 | Shimada Phys & Chem Ind Co Ltd | Waveguide/microstrip line transducer and transducer component |
| CN106249362A (en) * | 2012-07-10 | 2016-12-21 | 3M创新有限公司 | Wireless connector and wireless communication system |
| CN208062217U (en) * | 2018-04-24 | 2018-11-06 | 淮阴师范学院 | A kind of waveguide assemblies and antenna assembly |
| CN209329127U (en) * | 2019-02-12 | 2019-08-30 | 深圳铭杰医疗科技有限公司 | A kind of telescopic waveguide and accelerator system |
Non-Patent Citations (1)
| Title |
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| 圆波导TM01－矩形波导TE10模式转换器;郭乐田等;《强激光与粒子束》;20150915;第27卷(第9期);第1-5页 * |
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| CN111682296A (en) | 2020-09-18 |
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