CN106207350A - Rectangle transmission line microwave treatment device - Google Patents
Rectangle transmission line microwave treatment device Download PDFInfo
- Publication number
- CN106207350A CN106207350A CN201610745872.XA CN201610745872A CN106207350A CN 106207350 A CN106207350 A CN 106207350A CN 201610745872 A CN201610745872 A CN 201610745872A CN 106207350 A CN106207350 A CN 106207350A
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- China
- Prior art keywords
- transmission line
- rectangle
- treatment device
- microwave treatment
- signalling channel
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Classifications
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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
- H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
- H01P3/08—Microstrips; Strip lines
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- Microwave Amplifiers (AREA)
Abstract
The invention discloses a class high power Multi-channel microwave device, such as harmonic shutter, for the power splitter of power combing and combiner, attenuator etc., rectangle transmission line microwave treatment device, two sections of transmission lines (1) including the dead in line laying respectively at input and outfan, run through at least two metallic object A(2 on described every section of transmission line (1) surface), and at least two signalling channels (3) are positioned at the internal at least metal ridge (4) of every signalling channel (3) or a series of metallic object B(5).The center of described rectangle transmission line microwave treatment its axis of device is divided into two sections;Other microwave device it is provided with between two sections, include but not limited to PIN switching tube, PIN limiter diode, power amplifier etc., constitute amplitude limiter, attenuator, switch and power combiner etc., be widely used in radar, missile guidance and that mobile communication system various.
Description
Technical field
The present invention relates to a kind of microwave device, specifically, relate to a class compact high power device, press down including harmonic wave
Wave filter processed, the power splitter of power combing and combiner, waveguide switch circuit, waveguide amplitude limiter and waveguide attenuator etc..
Background technology
In art of microwave filters, the suppression problem of parasitic passband is always the focus that the industry is paid close attention to.Remote in order to obtain
From the parasitic passband of working passband, need to make the frequency of the higher mode of the resonator cavity of composition wave filter be significantly larger than its mode of operation
Frequency.The way generally used is that degree of depth loading capacitance metal column, metal column add metal dish or metal in resonator cavity
Post adds metal dish and adds metal cylinder.For certain operating frequency, this will cause reducing of the size of resonator cavity, thus cause by
The drastically decline of the power capacity of this wave filter constituted.
In order to improve the power capacity of microwave device, a kind of scheme is to utilize power splitter that several microwave filters are in parallel,
By same power splitter, each microwave filter is closed road again.The shortcoming of this scheme is that the volume of integral device is bigger.
In terms of power combiner, traditional power division network and power synthesis network volume are big.Use waveguide input and output
Time, need additional waveguide-to-coaxial adapter and volume shared by waveguide-to-coaxial adapter is the biggest.
Waveguide switch, waveguide amplitude limiter and waveguide attenuator are by the Power Limitation of diode, and high power easily punctures.
Summary of the invention
It is an object of the invention to provide a kind of compact rectangle transmission line microwave treatment device, improve the merit of microwave device
Rate capacity.
To achieve these goals, the technical solution used in the present invention is:
Rectangle transmission line microwave treatment device, including laying respectively at input and two sections of transmission lines of outfan, two sections of transmission lines
Axis overlaps.
In order to reduce the volume of device, the waveguide segment of shape of cross section gradual change is used to realize mating with conventional waveguide device
Method different, the described transmission line of the present invention is uniform transmission line;Described uniform transmission line is that shape of cross section is not with its axle
Line and the transmission line that changes.
It is real that the Broadband Matching of described rectangle transmission line microwave treatment device uses the metallic object A being positioned on every section of transmission line to come
Existing, therefore, at least two metallic object A that also includes running through described every section of transmission line surface or only one end and transmission line outer surface
At least two cylindrical metal body A connected or at least two cylindrical metal body A that only one end is connected with transmission line inner bottom surface;
The axis direction of described metallic object A is vertical with the axis direction of described transmission line.
In order to connect two transmission lines and increase the power capacity of described rectangle transmission line microwave treatment device, also include to
Few two signalling channels;The axis direction of described every signalling channel is parallel with the axis direction of described transmission line, every signal
Channel connection is positioned at two sections of transmission lines of input and outfan.
For the bandwidth of operation of rectangle transmission line microwave treatment device, each described cylindrical metal described in further broadening
Body A is correspondingly arranged at the near axis of described a certain signalling channel, and any point on cylindrical metal body A axis is with corresponding
The length of the line of any point on the axis of signalling channel projection in the X direction is less than the signalling channel at place in X side
To the 1/3 of Breadth Maximum.
Except, in addition to being positioned at the transmission line at its two ends, there is no other signal coupling channel any between described signalling channel.
This point is that the present invention is different from some traditional microwave devices, the place of such as E face waveguide filter.
In order to allow signal in the widest frequency range by a transmission line to another root transmission line, also include being positioned at
At least metal ridge within every signalling channel;Described metal ridge is column structure, its axis direction and described transmission line
Axis direction parallel and be only connected with a side of the signalling channel at place in one side.
Described metal ridge is only connected with the outer surface of the signalling channel at place.Or described metal ridge only with the signal at place
The inner bottom surface of passage connects.It is inside and outside herein for the axis of described rectangle transmission line microwave treatment device.
The direction of the axis pointing to described rectangle transmission line microwave treatment device is interior direction, leaves described rectangle transmission line microwave treatment
The direction of the axis of device is outer direction.Outer surface is face pointed by outer direction, face pointed by the interior direction of inner bottom surface.
Rectangle transmission line microwave treatment device is that harmonic supression filter is, is positioned at every signalling channel and is internally provided with gold
Belong to body B;Described metallic object B is only connected with the outer surface of the signalling channel at place.At this moment, there is metal ridge inside signalling channel.But
Preferably design, inside signalling channel, there is no any metal ridge.
As preferably designing, described metallic object B can also only be connected with the inner bottom surface of the signalling channel at place.
For rectangular waveguide rectangle transmission line microwave treatment device, the cross section face shape of the outer conductor of all transmission lines
For rectangle.At this moment, the fundamental mode operation pattern of described transmission line is TE10 pattern.
The number of described signalling channel is 8 or 12.The number of described signalling channel is 8 or 12;Described signal
Passage is divided into two groups, lays respectively on two broadsides of described rectangular waveguide transmission line.The number of described signalling channel is arranged
It is the integral multiple of 4, such as 8, and to avoid the numerals such as 3,6, it is intended to avoid the center at waveguide broadside to arrange signalling channel.?
The center of waveguide broadside arranges signalling channel, and the electric field of its electromagnetic wave will here be concentrated, and causes under device power capacity
Fall.Can equidistantly be distributed between signalling channel.
In order to increase the power capacity of device and be easy to Modeling Calculation, described rectangle transmission line microwave treatment device relative to
YZ plane is mirrored into symmetry.
Can also require that described rectangle transmission line microwave treatment device is mirrored into symmetry relative to XZ plane simultaneously.
The shape of cross section of the outer conductor of all transmission lines is equilateral triangle that the length of side is equal, square or other is polygon
Shape.
All transmission lines can be the regular polygon waveguide of hollow.At this moment, the circle of the fundamental mode operation pattern correspondence in transmission line
TM0n pattern in waveguide.
All of transmission line also includes inner wire;All of transmission line be outer conductor be equilateral triangle, square or its
Its polygonal coaxial configuration.At this moment, the TEM ripple in the fundamental mode operation pattern correspondence coaxial line in transmission line.
For the ease of processing and realize the miniaturization of device, the outer surface of all of signalling channel and all of transmission line
Outer surface all flushes.
Described rectangle transmission line microwave treatment device may be used for constituting powerful switch, amplitude limiter, attenuator and merit
Rate amplifier.At this moment, above-mentioned rectangle transmission line microwave treatment device is divided into two sections along the center of Z axis;It is provided with between two sections
Other microwave device, includes but not limited to PIN switching tube, PIN limiter diode, power amplifier etc..
The operation principle of the present invention is summarized as follows: the realization of many high-power pulsed ion beams needs in standard rectangular waveguide
On the basis of reduce the cross sectional dimensions of signalling channel, such as use the harmonics restraint of the small size resonator cavity that higher mode frequency is the highest
Device, uses the amplitude limiter of PIN diode, attenuator and switch, uses the power synthesis network etc. of power amplifier.According to electricity
Magnetic wave is theoretical, and signal transmits in the transmission line of little cross section, and one is multi-conductor transmission lines, is most common with coaxial line.The
Two kinds is single conductor transmission line, is most common with ridge waveguide.The third be in small size transmission line axially adding along transmission line
Carry capacitive character metallic object.Coaxial line structure needs to use its inner wire of dielectric support, and power capacity is the most on the low side, processes in distress simultaneously
Degree.The invention belongs to two kinds of situations later.The present invention uses increases metallic object A in described transmission line, to change described transmission
The mode of the magnetic distribution in line improves mating between described transmission line with multichannel described undersized transmission line.
The present invention is by real for several modes including that metal ridge or string capacitive character metallic object are arranged in several signalling channel
Existing high power rectangle transmission line microwave treatment device.Compared with the prior art, the present invention has compact conformation, lightweight, saves
Material and the advantage of simple in construction.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation along Z-direction and embodiment 1 schematic diagram of the present invention.
Fig. 2 is the cross sectional representation along Z-direction of embodiment 2.
Fig. 3 is the schematic top plan view (removing upper cover plate) of embodiment 2 of the present invention.
Fig. 4 is the schematic top plan view (removing upper cover plate) of embodiment 3 of the present invention
Being numbered in figure: 1, transmission line;2, metallic object A;3, signalling channel;4, metal ridge;5, metallic object B.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
As it is shown in figure 1, rectangle transmission line microwave treatment device, rectangle transmission line microwave treatment device, including laying respectively at input
Two sections of transmission lines 1 of the dead in line of end and outfan.
Described transmission line 1 is uniform transmission line;The shape of cross section of described uniform transmission line is not with the axis of this transmission line
And change.
It is positioned at 8 metallic object A2 on described every section of transmission line 1 outer surface;The axis direction of described metallic object A2 is with described
The axis of transmission line 1 is vertical;Described metallic object A2 is only connected with transmission line 1 outer surface at place in its one end.
Also include 8 signalling channels 3;The axis direction of described every signalling channel 3 and the axis direction of described transmission line 1
Parallel and connection is positioned at two sections of transmission lines 1 of input and outfan.
Except, in addition to being positioned at the transmission line 1 at its two ends, not having other signal any coupling logical between described signalling channel 3
Road.
In order to allow signal be transferred to another root transmission line 1 by a transmission line 1 in the widest frequency range, also include position
In a metal ridge 4 within every signalling channel 3;Described metal ridge 4 is column structure, its axis direction and described transmission line
The axis direction of 1 is parallel and is only connected with a side of the signalling channel 3 at place in one side.
Described metal ridge 4 only inner bottom surface with the signalling channel 3 at place is connected.
Described rectangle transmission line microwave treatment device is mirrored into symmetry relative to YZ plane.
Require that described rectangle transmission line microwave treatment device is mirrored into symmetry relative to XZ plane simultaneously.
All of transmission line 1 also includes inner wire 6;All of transmission line 1 is equilateral octagonal coaxial knot for outer conductor
Structure.At this moment, the TEM ripple in the fundamental mode operation pattern correspondence coaxial line in transmission line 1.
The outer surface of all of signalling channel 3 and the outer surface of all of transmission line 1 all flush.
For the bandwidth of operation of rectangle transmission line microwave treatment device, each described cylindrical metal described in further broadening
Body A2 is correspondingly arranged at the near axis of described a certain signalling channel 3, and any point on cylindrical metal body A axis is with corresponding
Signalling channel 3 axis on the length of line projection in the X direction of any point exist less than the signalling channel 3 at place
The 1/3 of X-direction Breadth Maximum, at least two metallic object A2 on described every section of transmission line 1.
Embodiment 2
As shown in Figures 2 and 3
This embodiment differs only in embodiment 1, and the shape of cross section of the outer conductor of all transmission lines 1 is rectangle.
At this moment, the fundamental mode operation pattern of described transmission line 1 is TE10 pattern.
The number of described signalling channel 3 is 8.It is divided into two groups, is respectively disposed on two broadsides up and down of described transmission line
On.Meanwhile, it is also classified into two groups, is arranged symmetrically on the right and left of described transmission line.Broadside i.e. transmission line signal-oriented passage
One side.
The near axis of every signalling channel 3, is provided with two metallic object A2 on described every section of transmission line 1.
Embodiment 3
As shown in Figures 2 and 3
This embodiment differs only in embodiment 1, and rectangle transmission line microwave treatment device is harmonic supression filter.
It is positioned at every signalling channel 3 and is internally provided with 7 metallic object B5;Described metallic object B5 only with the inner bottom of the signalling channel 3 at place
Surface connects.
The present invention may be constructed various high-power microwave device, including harmonic supression filter, the merit of power combing
Divide device and combiner, waveguide switch circuit, waveguide attenuator etc..
Claims (7)
1. rectangle transmission line microwave treatment device, it is characterised in that include the two sections of transmission laying respectively at input and outfan
Line (1), the axis of two sections of transmission lines overlaps;Also include at least two column running through described every section of transmission line (1) surface
Metallic object A(2) or at least two cylindrical metal body A(2 that only one end is connected with transmission line (1) outer surface) or only one end with
At least two cylindrical metal body A(2 that transmission line (1) inner bottom surface connects);Described metallic object A(2) axis direction with described
The axis direction of transmission line (1) is vertical;Also include at least two signalling channels (3);The axis side of described every signalling channel (3)
To parallel with the axis direction of described transmission line (1);Every signalling channel (3) connection is positioned at two sections of biographies of input and outfan
Defeated line (1);Each described cylindrical metal body A(2) it is correspondingly arranged at the near axis of described a certain signalling channel (3), column
The line of any point on the axis of any point on metallic object A axis and corresponding signalling channel (3) is in the X direction
The length of projection less than the signalling channel (3) at place at the 1/3 of X-direction Breadth Maximum;The outer conductor of all transmission lines (1)
Shape of cross section is rectangle.
Rectangle transmission line microwave treatment device the most according to claim 1, it is characterised in that described signalling channel (3) it
Between except, in addition to transmission line (1) place being positioned at its two ends, there is no other signal coupling channel any.
Rectangle transmission line microwave treatment device the most according to claim 1, it is characterised in that described signalling channel (3)
Number is 8 or 12.
Rectangle transmission line microwave treatment device the most according to claim 1, it is characterised in that described rectangle transmission line microwave
Processing apparatus is mirrored into symmetry relative to YZ plane.
Rectangle transmission line microwave treatment device the most according to claim 1, it is characterised in that described rectangle transmission line microwave
Processing apparatus is mirrored into symmetry relative to XZ plane.
6. according to the rectangle transmission line microwave treatment device described in claim 1 any one, it is characterised in that described rectangle passes
Defeated line microwave treatment device is divided into two sections along the center of Z axis;Other microwave device it is provided with between two sections;Described microwave device
Include but not limited to PIN switching tube, PIN limiter diode, power amplifier etc..
7. according to the rectangle transmission line microwave treatment device described in claim 1 any one, it is characterised in that all of signal
The outer surface of passage (3) and the outer surface of all of transmission line (1) all flush.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610745872.XA CN106207350A (en) | 2016-08-29 | 2016-08-29 | Rectangle transmission line microwave treatment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610745872.XA CN106207350A (en) | 2016-08-29 | 2016-08-29 | Rectangle transmission line microwave treatment device |
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Publication Number | Publication Date |
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CN106207350A true CN106207350A (en) | 2016-12-07 |
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ID=57527106
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CN201610745872.XA Withdrawn CN106207350A (en) | 2016-08-29 | 2016-08-29 | Rectangle transmission line microwave treatment device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108550967A (en) * | 2018-06-05 | 2018-09-18 | 电子科技大学中山学院 | Long-stub waveguide filter |
Citations (8)
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---|---|---|---|---|
CN101017921A (en) * | 2007-03-09 | 2007-08-15 | 电子科技大学 | High-power ridge wave guide microwave window |
CN103107402A (en) * | 2013-03-11 | 2013-05-15 | 成都赛纳赛德科技有限公司 | H-plane waveguide power divider |
CN103107403A (en) * | 2013-03-11 | 2013-05-15 | 成都赛纳赛德科技有限公司 | Loaded power divider |
CN203085728U (en) * | 2013-03-11 | 2013-07-24 | 成都赛纳赛德科技有限公司 | Two-route power distributer |
CN203166058U (en) * | 2013-03-11 | 2013-08-28 | 成都赛纳赛德科技有限公司 | H-plane three-way power divider |
CN203850408U (en) * | 2014-05-23 | 2014-09-24 | 成都赛纳赛德科技有限公司 | H-surface wave separator |
CN104868209A (en) * | 2015-06-10 | 2015-08-26 | 成都赛纳赛德科技有限公司 | Multichannel microwave device |
CN105680138A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Miniature wideband waveguide power divider |
-
2016
- 2016-08-29 CN CN201610745872.XA patent/CN106207350A/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101017921A (en) * | 2007-03-09 | 2007-08-15 | 电子科技大学 | High-power ridge wave guide microwave window |
CN103107402A (en) * | 2013-03-11 | 2013-05-15 | 成都赛纳赛德科技有限公司 | H-plane waveguide power divider |
CN103107403A (en) * | 2013-03-11 | 2013-05-15 | 成都赛纳赛德科技有限公司 | Loaded power divider |
CN203085728U (en) * | 2013-03-11 | 2013-07-24 | 成都赛纳赛德科技有限公司 | Two-route power distributer |
CN203166058U (en) * | 2013-03-11 | 2013-08-28 | 成都赛纳赛德科技有限公司 | H-plane three-way power divider |
CN203850408U (en) * | 2014-05-23 | 2014-09-24 | 成都赛纳赛德科技有限公司 | H-surface wave separator |
CN105680138A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Miniature wideband waveguide power divider |
CN104868209A (en) * | 2015-06-10 | 2015-08-26 | 成都赛纳赛德科技有限公司 | Multichannel microwave device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108550967A (en) * | 2018-06-05 | 2018-09-18 | 电子科技大学中山学院 | Long-stub waveguide filter |
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Application publication date: 20161207 |