CN110364800A - A kind of coaxial conversion equipment of circular waveguide and polarization tracking device - Google Patents
A kind of coaxial conversion equipment of circular waveguide and polarization tracking device Download PDFInfo
- Publication number
- CN110364800A CN110364800A CN201910720083.4A CN201910720083A CN110364800A CN 110364800 A CN110364800 A CN 110364800A CN 201910720083 A CN201910720083 A CN 201910720083A CN 110364800 A CN110364800 A CN 110364800A
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- coupling portion
- electromagnetic coupling
- circular waveguide
- coaxial
- coaxial conversion
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 42
- 230000010287 polarization Effects 0.000 title claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 96
- 238000010168 coupling process Methods 0.000 claims abstract description 96
- 238000005859 coupling reaction Methods 0.000 claims abstract description 96
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced with unbalanced lines or devices
- H01P5/103—Hollow-waveguide/coaxial-line transitions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
Abstract
The invention discloses a kind of coaxial conversion equipment of circular waveguide and polarization tracking devices, the wherein coaxial conversion equipment of circular waveguide, including circular waveguide and coaxial conversion inner core, one end of the circular waveguide is circular waveguide port, the other end of the circular waveguide is coaxial port, it is characterised in that: the coaxial conversion inner core includes at least one first electromagnetic coupling portion, at least one second electromagnetic coupling portion；First electromagnetic coupling portion is located at the center of the circular waveguide and axial parallel with circular waveguide；Second electromagnetic coupling portion is radial parallel with the circular waveguide.Field coupling in circular waveguide can be the surface current of the coupled structure by the field parallel in the electromagnetic coupling portion and circular waveguide of the coaxial conversion equipment of circular waveguide of the present invention, thus can obtain good matching, thus broader bandwidth.
Description
Technical field
It is specifically a kind of for being converted to together electromagnetic wave signal in circular waveguide the present invention relates to telecommunications field technology
The coaxial conversion of axis transmission line electromagnetic signal.
Background technique
Circular waveguide is common a kind of waveguide form in microwave transmission system, has and small, dual-polarized advantage is lost, and is commonly used
It is fed in antenna, the fields such as microwave signal transmission.It is radar system devices, navigation system devices, microwave telecommunication devices and microwave
A kind of important transmission medium in test macro.For electromagnetic wave signal in circular waveguide to be converted to coaxial or microstrip transmission line
It is a kind of essential element in circular waveguide system that the circular waveguide of middle signal, which turns coaxial conversion,.
The design requirement of waveguide coaxial connecter: Insertion Loss is small, and standing wave is low, with roomy, small in size.The current most common circular waveguide
Coaxial conversion is realized by the way of orthogonal, and the side of circular waveguide, Yu Weibo are located at using the coaxial output line mouth of this kind of mode
System integration structure is inflexible.
Summary of the invention
First technical problem to be solved by this invention is to provide that a kind of Insertion Loss is small, coaxially converts with roomy circular waveguide
Device.
Second technical problem to be solved by this invention is to provide two orthogonal poles in a kind of degree of realization circular waveguide
Change tracking device.
To solve first technical problem, the technical solution adopted by the present invention is that:
A kind of coaxial conversion equipment of circular waveguide, including circular waveguide and coaxial conversion inner core, one end of the circular waveguide are circle
Waveguide port, the other end of the circular waveguide are coaxial port, it is characterised in that: the coaxial conversion inner core includes at least one
A first electromagnetic coupling portion, at least one second electromagnetic coupling portion；First electromagnetic coupling portion is located at the circular waveguide
Center is simultaneously axial parallel with circular waveguide；Second electromagnetic coupling portion is radial parallel with the circular waveguide.
To solve second technical problem, the technical solution adopted by the present invention is that:
A kind of polarization tracking device including circular waveguide, the conversion inner core being arranged in the circular waveguide and drives described turn
Change driving portion of the inner core in the circular waveguide to rotation, it is characterised in that: the coaxial conversion inner core include at least one
One electromagnetic coupling portion, at least one second electromagnetic coupling portion；First electromagnetic coupling portion is located at the center of the circular waveguide
And it is axial parallel with circular waveguide；Second electromagnetic coupling portion is radial parallel with the circular waveguide.
Compared with prior art, the beneficial effects of the present invention are:
The coaxial conversion equipment of circular waveguide of the invention, coaxial inner core of converting includes at least one first electromagnetic coupling portion, at least one
A second electromagnetic coupling portion, the first electromagnetic coupling portion are located at the center of circular waveguide and axial parallel, this section with circular waveguide
Electromagnetic compling portion is connected for second segment coupled structure with coaxial system inner core；The diameter in the second electromagnetic coupling portion and circular waveguide
To parallel.It, can will be in circular waveguide due to the field parallel in the electromagnetic coupling portion of the structure and circular waveguide using this kind of structure
Field coupling be the coupled structure surface current, thus good matching can be obtained, thus broader bandwidth.
The coaxial conversion equipment of circular waveguide of the invention, coaxial inner core of converting further includes third electromagnetic coupling portion, the coupling knot
Structure has part parallel with the electric field component in circular waveguide, thus can widen the bandwidth of entire device.
Polarization tracking device of the invention, it is coaxial convert inner core include at least one first electromagnetic coupling portion, at least one the
Two electromagnetic coupling portions and at least one third electromagnetic coupling portion, the first electromagnetic coupling portion be located at the center of circular waveguide and with circle
The axial direction of waveguide is parallel；Second electromagnetic coupling portion and circular waveguide it is radial parallel.Using in driving portion such as a motor drive
Between metal inside rotated in circular waveguide, then the orthogonal polarized electromagnetic wave polarization tracking of two in degree of realization circular waveguide should
The electromagnetic wave of electric field vector and barb-type parallelism structural is completely converted into the signal in coaxial configuration by structure, and to electric field vector
Completely vertical electromagnetic wave signal is then completely isolated with barb-type structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the coaxial conversion equipment of one circular waveguide of embodiment；
Fig. 2 is the fractionation schematic diagram of Fig. 1；
Fig. 3 is the structural schematic diagram that inner core is coaxially converted in Fig. 1；
Fig. 4 is the floor map of Fig. 3；
Fig. 5 is the structural schematic diagram of the coaxial conversion inner core of the coaxial conversion equipment of two circular waveguide of embodiment；
Fig. 6 is the floor map of Fig. 5；
Fig. 7 is the simulation curve figure of the coaxial conversion equipment of one circular waveguide of embodiment.
In figure, 1, circular waveguide；11, circular waveguide port；12, coaxial port；2, coaxial transformational structure inner core；21, first
Electromagnetic coupling portion；22, the second electromagnetic coupling portion；23, third electromagnetic coupling portion；24, core plug in coaxial transformational structure；3, it transmits
The Supporting Media of line；4, inner core is coaxially converted.
Specific embodiment
Embodiment one
As shown in Figure 1-Figure 3, the coaxial conversion equipment of a kind of circular waveguide, including circular waveguide 1 and coaxial conversion inner core 2.Round wave
The one end for leading 1 is circular waveguide port 11, and the other end of circular waveguide is coaxial port 12.Coaxial inner core 2 of converting is by circular waveguide
In microwave signal be converted to the signal in coaxial transmission line and exported through coaxial port 12.
Coaxial conversion inner core 2 includes a first electromagnetic coupling portion 21 and a second electromagnetic coupling portion 22 and a third
Electromagnetic coupling portion 23.First electromagnetic coupling portion 21 be located at the center of circular waveguide 1 and it is axial parallel with circular waveguide namely with
The axle center of circular waveguide is overlapped, and the second electromagnetic coupling portion 22 is radial parallel with circular waveguide 1, third electromagnetic coupling portion 23 and first
Electromagnetic coupling portion 21 and the second electromagnetic coupling portion 22 are coplanar, are formed between third electromagnetic coupling portion 23 and the second electromagnetic coupling portion 22
One angle a, a angle less than 90 ° is preferably 60 degree.
First electromagnetic coupling portion 21, the second electromagnetic coupling portion 22 and third electromagnetic coupling portion 23 can be integrally formed or fission
It is welded after molding.When being integrally formed, bending technique processing can be used.
In the coaxial conversion that first electromagnetic coupling portion 21, the second electromagnetic coupling portion 22 and third electromagnetic coupling portion 23 are formed
Core, shape similar to barb-type structure, due to first half (the first electromagnetic coupling portion 21 and second of the hook-shape structure of the structure
Electromagnetic coupling portion 22) and the field parallel that couples is needed, and since the tail portion of hook-shape structure (third electromagnetic coupling portion 23) has
There is certain gradient, by adjusting the first electromagnetic coupling portion 21 of the barb-type structure and the length ruler in the second electromagnetic coupling portion 22
The impedance matching in wider frequency section then can be achieved in very little and third electromagnetic coupling portion 23 bending angle a, in wider frequency range
Obtain preferable echoing characteristics.
S11 is the simulation curve figure of one waveguide coaxial connecter of the present embodiment in Fig. 7, by simulation curve figure it is found that the structure
Waveguide coaxial connecter have 25% or more bandwidth, in passband, artificial echo be less than -30dB, Insertion Loss be less than 0.1dB, have
Very good performance.
Embodiment two
Difference from Example 1 is that coaxial inner core 2 of converting includes a first electromagnetic coupling portion 21 and second electromagnetism
Coupling part 22 and a third electromagnetic coupling portion 23.Third electromagnetic coupling portion is made of two straightways, first straight line section and
Bending angle is a, and second straight line section is to do bending again on the basis of first straight line section, and bending angle c, joins by c=3-10 °
Add shown in Fig. 5.
S21(is close to a horizontal linear at the top of frame in Fig. 7) be two waveguide coaxial connecter of the present embodiment emulation it is bent
Line chart, it is same available by simulation curve figure it is found that third electromagnetic coupling portion is carried out a bending by a straightway again
Preferable performance,
Embodiment three
A kind of polarization tracking device including circular waveguide 1, the conversion inner core 2 being arranged in circular waveguide and drives conversion inner core
In circular waveguide to the driving portion (not shown) of rotation.Coaxial conversion inner core 2 includes at least one first electromagnetic coupling portion
21, at least one second electromagnetic coupling portion 22 and at least one third electromagnetic coupling portion；First electromagnetic coupling portion 21 is located at circle
The center of waveguide 1 is simultaneously axial parallel with circular waveguide；Second electromagnetic coupling portion 22 is radial parallel with circular waveguide, third electricity
Magnetic coupling portion 23 intersects with the radial direction of the axial direction of circular waveguide and circular waveguide.
Intermediate metal inside is driven to rotate in circular waveguide using a driving portion such as motor, then in degree of realization circular waveguide
Two orthogonal polarized electromagnetic wave polarization trackings, which turns the electromagnetic wave of electric field vector and barb-type parallelism structural completely
Change the signal in coaxial configuration into, and it is then completely isolated to the completely vertical electromagnetic wave signal of electric field vector and barb-type structure.
Claims (10)
1. a kind of coaxial conversion equipment of circular waveguide, including circular waveguide and coaxial conversion inner core, one end of the circular waveguide is
Circular waveguide port, the other end of the circular waveguide are coaxial port, it is characterised in that: the coaxial conversion inner core includes at least
One the first electromagnetic coupling portion, at least one second electromagnetic coupling portion；First electromagnetic coupling portion is located at the circular waveguide
Center and axial parallel with circular waveguide；Second electromagnetic coupling portion is radial parallel with the circular waveguide.
2. the coaxial conversion equipment of circular waveguide according to claim 1, it is characterised in that: the coaxial conversion inner core further includes
The radial direction at least one third electromagnetic coupling portion, the axial direction and circular waveguide of third electromagnetic coupling portion and circular waveguide is homogeneous
It hands over.
3. the coaxial conversion equipment of circular waveguide according to claim 2, it is characterised in that: third electromagnetic coupling portion and institute
It is coplanar to state the first electromagnetic coupling portion and the second electromagnetic coupling portion.
4. the coaxial conversion equipment of circular waveguide according to claim 3, it is characterised in that: first electromagnetic coupling portion is one
A, second electromagnetic coupling portion is one, and third electromagnetic coupling portion is one, and first electromagnetic coupling portion passes through institute
The second electromagnetic coupling portion is stated to be connected with third electromagnetic coupling portion.
5. the coaxial conversion equipment of circular waveguide according to claim 4, it is characterised in that: third electromagnetic coupling portion includes
It forms for a straightway or by the two or more straightways with Different Slope are connected, is connected with second electromagnetic coupling portion
Straightway and the axial angle a of circular waveguide be 60 ° ± 10 °.
6. the coaxial conversion equipment of circular waveguide according to claim 5, it is characterised in that: third electromagnetic coupling portion is by having
There are two straightways of Different Slope to be connected to form, the axial angle b of another straightway and circular waveguide be a-c wherein, angle c
=3-10°。
7. -6 any coaxial conversion equipment of circular waveguide according to claim 1, it is characterised in that: in the circular waveguide
The Supporting Media of transmission line is provided in coaxial port, described coaxial conversion inner core one end is arranged in the Supporting Media.
8. a kind of polarization tracking device, including described in circular waveguide, the conversion inner core being arranged in the circular waveguide and drive
Inner core is converted in the circular waveguide to the driving portion of rotation, it is characterised in that: the coaxial conversion inner core includes at least one
First electromagnetic coupling portion, at least one second electromagnetic coupling portion；First electromagnetic coupling portion is located in the circular waveguide
The heart is simultaneously axial parallel with circular waveguide；Second electromagnetic coupling portion is radial parallel with the circular waveguide.
9. polarization tracking device according to claim 8, it is characterised in that: the coaxial conversion inner core further includes at least one
A third electromagnetic coupling portion, third electromagnetic coupling portion intersect with the axial direction of circular waveguide and the radial direction of shape waveguide；It is described
Third electromagnetic coupling portion is coplanar with first electromagnetic coupling portion and the second electromagnetic coupling portion.
10. polarization tracking device according to claim 9, it is characterised in that: first electromagnetic coupling portion is one, institute
Stating the second electromagnetic coupling portion is one, and third electromagnetic coupling portion is one, and first electromagnetic coupling portion passes through described the
Two electromagnetic coupling portions are connected with third electromagnetic coupling portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720083.4A CN110364800A (en) | 2019-08-06 | 2019-08-06 | A kind of coaxial conversion equipment of circular waveguide and polarization tracking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720083.4A CN110364800A (en) | 2019-08-06 | 2019-08-06 | A kind of coaxial conversion equipment of circular waveguide and polarization tracking device |
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| Publication Number | Publication Date |
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| CN110364800A true CN110364800A (en) | 2019-10-22 |
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| CN201910720083.4A Pending CN110364800A (en) | 2019-08-06 | 2019-08-06 | A kind of coaxial conversion equipment of circular waveguide and polarization tracking device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3127693A1 (en) * | 1981-07-14 | 1983-05-26 | AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang | Junction element between a waveguide and a micro-stripline |
| SU1762352A1 (en) * | 1989-12-15 | 1992-09-15 | Государственный научно-исследовательский институт радио | Circular guide/rectangular waveguide connector adapter |
| JPH07273513A (en) * | 1994-02-14 | 1995-10-20 | Nippondenso Co Ltd | Coaxial waveguide converter |
| JP2005311978A (en) * | 2004-04-26 | 2005-11-04 | Nippon Dengyo Kosaku Co Ltd | Coaxial waveguide converter |
| CN101834335A (en) * | 2010-05-19 | 2010-09-15 | 成都九洲迪飞科技有限责任公司 | Adjustable power divider |
| CN210006876U (en) * | 2019-08-06 | 2020-01-31 | 江苏贝孚德通讯科技股份有限公司 | circular waveguide coaxial conversion device and polarization tracking device |
-
2019
- 2019-08-06 CN CN201910720083.4A patent/CN110364800A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3127693A1 (en) * | 1981-07-14 | 1983-05-26 | AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang | Junction element between a waveguide and a micro-stripline |
| SU1762352A1 (en) * | 1989-12-15 | 1992-09-15 | Государственный научно-исследовательский институт радио | Circular guide/rectangular waveguide connector adapter |
| JPH07273513A (en) * | 1994-02-14 | 1995-10-20 | Nippondenso Co Ltd | Coaxial waveguide converter |
| JP2005311978A (en) * | 2004-04-26 | 2005-11-04 | Nippon Dengyo Kosaku Co Ltd | Coaxial waveguide converter |
| CN101834335A (en) * | 2010-05-19 | 2010-09-15 | 成都九洲迪飞科技有限责任公司 | Adjustable power divider |
| CN210006876U (en) * | 2019-08-06 | 2020-01-31 | 江苏贝孚德通讯科技股份有限公司 | circular waveguide coaxial conversion device and polarization tracking device |
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