CN106374174A - High-power microwave device with metal bodies - Google Patents
High-power microwave device with metal bodies Download PDFInfo
- Publication number
- CN106374174A CN106374174A CN201610746722.0A CN201610746722A CN106374174A CN 106374174 A CN106374174 A CN 106374174A CN 201610746722 A CN201610746722 A CN 201610746722A CN 106374174 A CN106374174 A CN 106374174A
- Authority
- CN
- China
- Prior art keywords
- metallic object
- transmission line
- signalling channel
- powered microwaves
- power
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a high-power and multi-channel microwave device such as a harmonic suppressor, a power divider for power synthesis, a combiner and an attenuator. A high-power microwave device with metal bodies comprises two segments of transmission lines (1), at least two metal bodies A (2), at least two signal channels (3) and at least one metal ridge (4) or a series of metal bodies B (5), wherein the two segments of transmission lines (1) are respectively arranged at an input end and an output end, axial lines of the two segments of transmission lines (1) are coincided, the at least two metal bodies A (2) penetrate through a surface of each segment of transmission line (1), the at least one metal ridge (4) or the series of metal bodies (5) are arranged in each signal channel (3). The central of the axial line of the high-power microwave device with the metal bodies can be divided into two segments, other microwave devices are arranged between the two segments and comprise, but not limited to a PIN switching tube, a PIN amplitude limiting diode, a power amplifier and the like to form an amplitude limiter, the attenuator, a switch, a power sum and difference device and the like, and the high-power microwave device is widely applied to radar, missile guidance and various mobile communication systems.
Description
Technical field
The present invention relates to a kind of microwave device, specifically, it is to be related to a class compact high power device, including harmonic wave suppression
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 of industry concern.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 method generally adopting is that 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 lead to reducing of the size of resonator cavity, thus lead to by
The drastically decline of this power capacity of wave filter constituting.
In order to improve the power capacity of microwave device, a kind of scheme is using power splitter, several microwave filters are in parallel,
Again by same power splitter by each microwave filter combining.The shortcoming of this scheme is that the volume of integral device is larger.
In terms of power combiner, traditional power division network and power synthesis network volume are big.Using waveguide input and output
When, need additional waveguide-to-coaxial adapter and volume shared by waveguide-to-coaxial adapter is too big.
Waveguide switch, waveguide amplitude limiter and waveguide attenuator are subject to the Power Limitation of diode, and high power easily punctures.
Content of the invention
It is an object of the invention to provide a kind of compact has the HIGH-POWERED MICROWAVES device of metallic object, improve microwave device
Power capacity.
To achieve these goals, the technical solution used in the present invention is:
There is the HIGH-POWERED MICROWAVES device of metallic object, including being located at input and two sections of transmission lines of outfan respectively, two sections transmit
The axis of line overlaps.
In order to reduce the volume of device, the waveguide segment adopting shape of cross section gradual change with conventional waveguide device is realized mating
Method different, the described transmission line of the present invention is uniform transmission line；Described uniform transmission line is shape of cross section not with its axle
Line and the transmission line that changes.
The Broadband Matching of the described HIGH-POWERED MICROWAVES device with metallic object is using the metallic object a on every section of transmission line
To realize, therefore, also to include running through at least two metallic object a of described every section of transmission line surface or only outside one end and transmission line
At least two cylindrical metal body a of surface connection or at least two cylindrical metals that only one end is connected with transmission line inner bottom surface
Body a；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 have described in increasing metallic object HIGH-POWERED MICROWAVES device power capacity, also wrap
Include at least two signalling channels；The axis direction of described every signalling channel is parallel with the axis direction of described transmission line, every
Signalling channel connection is located at two sections of transmission lines of input and outfan.
In order to have the bandwidth of operation of the HIGH-POWERED MICROWAVES device of metallic object described in further broadening, each described column
Metallic object a is correspondingly arranged at the near axis of described a certain signalling channel, and any point on cylindrical metal body a axis is right with institute
The length of the line of any point on the axis of the signalling channel answered projection in the x direction is less than the signalling channel being located and exists
The 1/3 of x direction Breadth Maximum.
Except in addition at the transmission line at its two ends, there is no any other signal coupling channel between described signalling channel.
This point is that the present invention is different from some traditional microwave devices, the such as place of e face waveguide filter.
In order to allow signal pass through a transmission line in very wide frequency range to another transmission line, also include being located at
At least one 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 the side of signalling channel being located in one side.
Described metal ridge is only connected with the outer surface of the signalling channel being located.Or the described metal ridge only signal with place
The inner bottom surface of passage connects.Inside and outside be herein axis with respect to the described HIGH-POWERED MICROWAVES device with metallic object and
Speech.Have described in sensing metallic object the axis of HIGH-POWERED MICROWAVES device direction be interior direction, leave described in there is metallic object
The axis of HIGH-POWERED MICROWAVES device direction be outer direction.Outer surface is face pointed by outer direction, inner bottom surface i.e. interior direction
Pointed face.
The HIGH-POWERED MICROWAVES device with metallic object is to arrange inside every signalling channel for harmonic supression filter
There is metallic object b；Described metallic object b is only connected with the outer surface of the signalling channel being located.At this moment, there is metal inside signalling channel
Ridge.But preferably design, there is no any metal ridge inside signalling channel.
As preferably designing, described metallic object b can also be only connected with the inner bottom surface of the signalling channel being located.
Rectangular waveguide is had to the HIGH-POWERED MICROWAVES device of metallic object, the cross section face of the outer conductor of all transmission lines
It is shaped as 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, is located at respectively on two broadsides of described rectangular waveguide transmission line.The number setting of described signalling channel
Integral multiple for 4, such as 8, and the numerals such as 3,6 will be avoided, it is intended to avoid arrange signalling channel in the center of waveguide broadside.?
The center setting signalling channel of waveguide broadside, the electric field of its electromagnetic wave will be concentrated here, lead under device power capacity
Fall.Can be with equidistantly distributed between signalling channel.
In order to increase the power capacity of device and be easy to Modeling Calculation, the described HIGH-POWERED MICROWAVES device phase with metallic object
Yz plane is mirrored into symmetrically.
The HIGH-POWERED MICROWAVES device described in can also requiring with metallic object simultaneously is mirrored into symmetrically with respect to xz plane.
The shape of cross section of the outer conductor of all transmission lines is the equal equilateral triangle of the length of side, square or other polygon
Shape.
All transmission lines can be the regular polygon waveguide of hollow.At this moment, the corresponding circle of the fundamental mode operation pattern in transmission line
Tm0n pattern in waveguide.
All of transmission line also includes inner wire；All of transmission line for outer conductor be equilateral triangle, square or its
Its polygonal coaxial configuration.At this moment, the tem ripple in the corresponding coaxial line of the fundamental mode operation pattern in transmission line.
For the ease of processing and realizing the miniaturization of device, the outer surface of all of signalling channel and all of transmission line
Outer surface all flushes.
The described HIGH-POWERED MICROWAVES device with metallic object can be used for constituting powerful switch, amplitude limiter, attenuator
And power amplifier.At this moment, the above-mentioned HIGH-POWERED MICROWAVES device with metallic object is divided into two sections along the center of z-axis；Two sections it
Between be provided with other microwave devices, including 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 adopt the harmonics restraint of the very high small size resonator cavity of higher mode frequency
Device, using the amplitude limiter of pin diode, attenuator and switch, using 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 a kind of 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 is that the axial direction along transmission line adds in small size transmission line
Carry capacitive character metallic object.Coaxial line structure needs using its inner wire of dielectric support, and power capacity is also low, processes in distress simultaneously
Degree.The invention belongs to two kinds of situations later.The present invention increases metallic object a using in described transmission line, to change described transmission
The mode of the magnetic distribution in line improves mating between described transmission line and multichannel described undersized transmission line.
The mode that several inclusion metal ridge or string capacitive character metallic object are arranged in several signalling channels by the present invention is real
Existing high power has the HIGH-POWERED MICROWAVES device of metallic object.Compared with the prior art, the present invention has compact conformation, lightweight,
Material-saving and the simple advantage of structure.
Brief description
Fig. 1 be the present invention along z to cross-sectional view and embodiment 1 schematic diagram.
Fig. 2 be embodiment 2 along z to cross-sectional view.
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 of in figure: 1, transmission line；2nd, metallic object a；3rd, signalling channel；4th, metal ridge；5th, metallic object b.
Specific embodiment
With reference to embodiment, the present invention is described in further detail.
Embodiment 1
As shown in figure 1, having the HIGH-POWERED MICROWAVES device of metallic object, there is the HIGH-POWERED MICROWAVES device of metallic object, including respectively
Two sections of transmission lines 1 positioned at input and the dead in line of 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.
8 metallic object a2 on described every section of transmission line 1 outer surface；The axis direction of described metallic object a2 with described
The axis of transmission line 1 is vertical；Described metallic object a2 is only connected with transmission line 1 outer surface being located 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 connect two sections of transmission lines 1 positioned at input and outfan.
Except in addition at the transmission line 1 at its two ends, not having any other signal coupling logical between described signalling channel 3
Road.
In order to allow signal be transferred to another transmission line 1 by a transmission line 1 in very wide frequency range, also include position
A metal ridge 4 within every signalling channel 3；Described metal ridge 4 is column structure, its axis direction and described transmission line
1 axis direction is parallel and is only connected with a side of the signalling channel 3 being located in one side.
Described metal ridge 4 is only connected with the inner bottom surface of the signalling channel 3 being located.
The described HIGH-POWERED MICROWAVES device with metallic object is mirrored into symmetrically with respect to yz plane.
The HIGH-POWERED MICROWAVES device described in requiring with metallic object simultaneously is mirrored into symmetrically with respect to xz plane.
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 corresponding coaxial line of the fundamental mode operation pattern in transmission line 1.
The outer surface of the outer surface of all of signalling channel 3 and all of transmission line 1 all flushes.
In order to have the bandwidth of operation of the HIGH-POWERED MICROWAVES device of metallic object described in further broadening, each described column
Metallic object a2 is correspondingly arranged at the near axis of described a certain signalling channel 3, any point on cylindrical metal body a axis and institute
The length of the line of any point on the axis of corresponding signalling channel 3 projection in the x direction is less than the signal being located and leads to
Road 3 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 is differed 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, be respectively disposed on two broadsides up and down of described transmission line
On.Meanwhile, it is also classified into two groups, be arranged symmetrically on the right and left of described transmission line.Broadside is transmission line signal-oriented passage
One side.
The near axis of every signalling channel 3, are 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 is differed only in embodiment 1, and the HIGH-POWERED MICROWAVES device with metallic object is filtered for harmonics restraint
Ripple device.It is internally provided with 7 metallic object b5 positioned at every signalling channel 3；Described metallic object b5 only with the signalling channel 3 being located
Inner bottom surface connects.
The present invention may be constructed various high-power microwave devices, including harmonic supression filter, the work(of power combing
Divide device and combiner, waveguide switch circuit, waveguide attenuator etc..
Claims (7)
1. there is the HIGH-POWERED MICROWAVES device of metallic object it is characterised in that including being located at respectively two sections of input and outfan
Transmission line (1), the axis of two sections of transmission lines overlaps；Also include running through at least two of described every section of transmission line (1) surface
Cylindrical metal body 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
Hold at least two cylindrical metal body a(2 being connected with transmission line (1) inner bottom surface)；Described metallic object a(2) axis direction with
The axis direction of described transmission line (1) is vertical；Also include at least two signalling channels (3)；The axle of described every signalling channel (3)
Line direction is parallel with the axis direction of described transmission line (1)；Every signalling channel (3) connection is located at the two of input and outfan
Section transmission line (1)；Each described cylindrical metal body a(2) it is correspondingly arranged at the near axis of described a certain signalling channel (3),
The line of any point on cylindrical metal body a axis and any point on the corresponding axis of signalling channel (3) is in x side
The length of projection upwards is less than the signalling channel (3) being located the 1/3 of x direction Breadth Maximum；Also include positioned at every signal
The internal metallic object b(5 of passage (3))；Described metallic object b(5) only it is connected or described with the outer surface of the signalling channel (3) being located
Metallic object b(5) only it is connected with the inner bottom surface of the signalling channel (3) being located.
2. the HIGH-POWERED MICROWAVES device with metallic object according to claim 1 is it is characterised in that described signalling channel
(3) except in addition to positioned at transmission line (1) place at its two ends, there is no any other signal coupling channel between.
3. the HIGH-POWERED MICROWAVES device with metallic object according to claim 1 is it is characterised in that described signalling channel
(3) number is 8 or 12.
4. the HIGH-POWERED MICROWAVES device with metallic object according to claim 1 is it is characterised in that described have metallic object
HIGH-POWERED MICROWAVES device be mirrored into symmetrically with respect to yz plane.
5. the HIGH-POWERED MICROWAVES device with metallic object according to claim 1 is it is characterised in that described have metallic object
HIGH-POWERED MICROWAVES device be mirrored into symmetrically with respect to xz plane.
6. the HIGH-POWERED MICROWAVES device with metallic object according to claim 1 any one is it is characterised in that described tool
The HIGH-POWERED MICROWAVES device having metallic object is divided into two sections along the center of z-axis；It is provided with other microwave devices between two sections；Described
Microwave device includes but is not limited to pin switching tube, pin limiter diode, power amplifier etc..
7. the HIGH-POWERED MICROWAVES device with metallic object according to claim 1 any one is it is characterised in that all of
The outer surface of the outer surface of signalling channel (3) and all of transmission line (1) all flushes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746722.0A CN106374174A (en) | 2016-08-29 | 2016-08-29 | High-power microwave device with metal bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746722.0A CN106374174A (en) | 2016-08-29 | 2016-08-29 | High-power microwave device with metal bodies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106374174A true CN106374174A (en) | 2017-02-01 |
Family
ID=57903265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610746722.0A Withdrawn CN106374174A (en) | 2016-08-29 | 2016-08-29 | High-power microwave device with metal bodies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106374174A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539332A (en) * | 2018-05-07 | 2018-09-14 | 成都银赫科技有限公司 | A kind of four work device of compact rectangular waveguide |
| CN109088139A (en) * | 2018-09-27 | 2018-12-25 | 郑州美赫电子科技有限公司 | A kind of four work device of compact rectangular waveguide |
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|---|---|---|---|---|
| US3187277A (en) * | 1962-05-14 | 1965-06-01 | Airtron Inc | Waveguide harmonic suppressor employing subsidiary waveguides, cut off for fundamental, for coupling main waveguide harmonics to absorber |
| CN101017921A (en) * | 2007-03-09 | 2007-08-15 | 电子科技大学 | High-power ridge wave guide microwave window |
| 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 |
| CN103107402B (en) * | 2013-03-11 | 2015-09-09 | 成都赛纳赛德科技有限公司 | H-face waveguide power divider |
| 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 CN201610746722.0A patent/CN106374174A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3187277A (en) * | 1962-05-14 | 1965-06-01 | Airtron Inc | Waveguide harmonic suppressor employing subsidiary waveguides, cut off for fundamental, for coupling main waveguide harmonics to absorber |
| CN101017921A (en) * | 2007-03-09 | 2007-08-15 | 电子科技大学 | High-power ridge wave guide microwave window |
| 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 |
| CN103107402B (en) * | 2013-03-11 | 2015-09-09 | 成都赛纳赛德科技有限公司 | H-face waveguide 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539332A (en) * | 2018-05-07 | 2018-09-14 | 成都银赫科技有限公司 | A kind of four work device of compact rectangular waveguide |
| CN109088139A (en) * | 2018-09-27 | 2018-12-25 | 郑州美赫电子科技有限公司 | A kind of four work device of compact rectangular waveguide |
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Application publication date: 20170201 |