CN105140610B - A kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array are curved - Google Patents
A kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array are curved Download PDFInfo
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- CN105140610B CN105140610B CN201510564248.5A CN201510564248A CN105140610B CN 105140610 B CN105140610 B CN 105140610B CN 201510564248 A CN201510564248 A CN 201510564248A CN 105140610 B CN105140610 B CN 105140610B
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Abstract
The present invention relates to a kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array are curved.It is made up of side by side up and down upper strata waveguide and lower floor's waveguide, it is stepped；Upper strata waveguide is single ridged waveguides, and one end is short-circuit end, and the other end is output end, and the top of the ridge of upper strata waveguide and lower floor's waveguide is co-walled；The ridge of upper strata waveguide is connected with upper strata output end transforming section by upper strata short-circuit end transforming section and formed, and upper strata short-circuit end transforming section and upper strata output end transforming section junction and the co-walled place in top of lower floor's waveguide are provided with coupling slot；Lower floor's waveguide is single ridged waveguides, and one end is short-circuit end, and the other end is input；The short-circuit end of upper strata waveguide and the short-circuit end of lower floor's waveguide are all connected with the common wall of side；The output end of upper strata waveguide and the input of lower floor's waveguide are located at opposite side.The present invention is especially suitable for the extension of ridge waveguide network between layers；The present invention uses I-shaped coupling slot, can obtain good matching, efficiency of transmission can reach more than 99.9%.
Description
Technical field
It is especially more efficient in dual polarization ridge waveguide lap gating system the present invention relates to the synthesis network of ridge waveguide lap gating system.
It adapts to the processing technology of current Waveguide slot battle array, and matching is good, efficiency high.
Background technology
Planar waveguide lap gating system is compact-sized because efficiency high, has the processing technology of maturation and is widely used, most typical
It is fire control radar antenna then.With the requirement more and more higher to feature extraction, and frequency resource anxiety is to communication bandwidth
Limitation, the demand of dual polarized antenna is just more and more common, thus ridge waveguide lap gating system obtained on dual polarized antenna extensively should
With, but the complexity of the synthesis network of ridge waveguide also accordingly greatly increases.Among same layer, because electric field master in ridge waveguide
Concentrate between ridge and metallic walls above, the change of same layer is continuous, therefore 90 ° of curved, work(of the ridge waveguide of same layer
Point device compares preferable design, and simply the gap between the vertical metal wall of the T-shaped position of power splitter two is smaller, and work(point ratio is got over
Greatly, gap is smaller, it is necessary to which the structure of renewal solves.
What the synthesis between multilayer can be seen at present is exactly the one-to-two structure of I-shaped slot-coupled.Due to ridge waveguide
Structural particularity, equivalent 180 ° of the upper and lower are curved simple unlike rectangular waveguide.On the premise of space structure is limited,
Equivalent 180 ° of ridge waveguides of the upper and lower are curved difficult to realize, and therefore, there is an urgent need to a kind of simple in construction, handling ease, space
Compact, function admirable the equivalent 180 ° of ridge waveguides of levels are curved.
The content of the invention
The purpose of the present invention synthesizes the design of network aiming at ridge waveguide dual polarization slot array, there is provided one kind is used for
Equivalent 180 ° of ridge waveguides of ridge waveguide slot array are curved.
A kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array it is curved by upper strata waveguide and lower floor's waveguide up and down simultaneously
Row composition, it is stepped；
The upper strata waveguide is single ridged waveguides, and one end is short-circuit end, and the other end is output end, and the ridge of upper strata waveguide is with
The top of layer waveguide is co-walled；The ridge of upper strata waveguide is by upper strata short-circuit end transforming section 21 and the connection group of upper strata output end transforming section 23
Into the upper strata short-circuit end transforming section 21 and the junction of upper strata output end transforming section 23 and the co-walled place in top of lower floor's waveguide are set
There is coupling slot 22；
Lower floor's waveguide is single ridged waveguides, and one end is short-circuit end, and the other end is input；
The short-circuit end of the upper strata waveguide and the short-circuit end of lower floor's waveguide are all connected with the common wall of side；Upper strata waveguide
Output end and the input of lower floor's waveguide be located at opposite side.
The coupling slot 22 is I-shaped coupling slot.
The height of the upper strata short-circuit end transforming section 21 of short-circuit end side is more than the height of the ridge of upper strata waveguide, width and upper strata
The width of the ridge of waveguide is identical.
The width that side upper strata output end transforming section 23 is connected with upper strata short-circuit end transforming section 21 is less than the ridge of upper strata waveguide
Width, it is highly identical with the height of the ridge of upper strata waveguide.
The advantageous effects of the present invention are embodied in the following aspects：
1. equivalent 180 ° of waveguides of the present invention are curved to use ridge waveguide, under space structure limitation, it is bipolar to solve ridge waveguide
Change the problem in slot antenna feeding network arrangement, realizing cramped construction, vertically the equivalent 180 ° of ridge waveguide of layer is curved, very
It is adapted to the extension of ridge waveguide network between layers.
2. using I-shaped coupling slot between the upper strata waveguide and lower floor's waveguide of the present invention, converted by optimizing upper strata waveguide
The size of section, suitable short-circuit face is selected, can make such 180 ° of effect is curved to obtain good matching, efficiency of transmission can reach
More than 99.9%.
3. equivalent 180 ° of ridge waveguides of the present invention are curved, compact-sized handling ease, it is especially suitable for being layered process technology.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the sectional view that Fig. 1 removes upper strata ridge ripple guiding plate 1；
Fig. 3 is Fig. 2 partial enlarged drawing；
Fig. 4 is Fig. 2 top view；
Fig. 5 is Fig. 4 B-B sectional views；
Fig. 6 is the physical dimension figure of feed mouth 3 cross section；
Fig. 7 is the standing wave pattern of the embodiment of the present invention 1；
Fig. 8 is the transmission coefficient figure of the embodiment of the present invention 1；
Fig. 9 is the standing wave pattern of the embodiment of the present invention 2；
Figure 10 is the transmission coefficient figure of the embodiment of the present invention 2.
Sequence number in Fig. 1-6：Cover plate 1, output end 2, input 3, upper strata short circuit transforming section 21, coupling slot 22, upper strata are defeated
Go out to hold transforming section 23.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is further described by two embodiments.
Embodiment 1
The center operating frequency of the present embodiment is 35Ghz, and the working frequency range of covering is 34.5GHz ~ 35.5GHz.
Referring to Fig. 1, a kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array are curved by upper strata waveguide and lower floor's ripple
Lead and form side by side up and down, it is stepped.
Referring to Fig. 2, upper strata waveguide is single ridged waveguides, and one end is short-circuit end, and the other end is output end, and the ridge of upper strata waveguide
It is co-walled with the top of lower floor waveguide；The ridge of upper strata waveguide is connected by upper strata short-circuit end transforming section 21 and upper strata output end transforming section 23
Composition.Upper strata short-circuit end transforming section 21 and the junction of upper strata output end transforming section 23 and the co-walled place in top of lower floor's waveguide are provided with
Coupling slot 22, coupling slot 22 are I-shaped coupling slot.
Referring to Fig. 5, lower floor's waveguide is single ridged waveguides, and one end is short-circuit end, and the other end is input 3.
Referring to Fig. 5, the short-circuit end of upper strata waveguide and the short-circuit end of lower floor's waveguide are all connected with the common wall of side；Upper strata
The output end 2 of waveguide and the input 3 of lower floor's waveguide are located at opposite side.
The height of the upper strata short-circuit end transforming section 21 of short-circuit end side is more than the height of the ridge of upper strata waveguide, width and upper strata
The width of the ridge of waveguide is identical.
The width that side upper strata output end transforming section 23 is connected with upper strata short-circuit end transforming section 21 is less than the ridge of upper strata waveguide
Width, it is highly identical with the height of the ridge of upper strata waveguide.
Referring to Fig. 3 and Fig. 4, the curved wall thickness of equivalent 180 ° of ridge waveguides is t=0.6mm, and the I-shaped long Fl of coupling slot is
2.6mm, the length of upper strata ridge waveguide short-circuit end transforming section 21 and wide respectively Tw=3.1mm, T1=1.4mm, the output of upper strata ridge waveguide
The length of end transforming section 23 and wide respectively Fz=3.1mm, Ty=0.2mm, I-shaped coupling slot 22 and output end transforming section 23 fall
Angular radius is r=0.4mm.Referring to Fig. 5, the high Th=2.42mm of conversion ridge of upper strata ridge waveguide short-circuit end, the part high beyond ridge
Tc=0.52mm, spacing Td=1.2mm that edge converts apart from short-circuit end Te=2.24mm, upper strata ridge waveguide or so, ridge and wave guide wall
Distance Tb=Rb-Rh=0.7mm.Referring to Fig. 6, the cross section of the output end of upper strata waveguide and the cross-sectional structure phase of lower floor's waveguide
Together, and size is identical, and is nonstandard structure；The lumen width Ra of ridge waveguide is 3mm, and the cavity heights Rb of ridge waveguide is 2mm, single
Ridge width Rw is 1.4mm, and single ridge height Rh is 1.3mm.
Referring to Fig. 7 and Fig. 8, as shown in Figure 7, reflection parameters S11 of the present invention in frequency band is below -24dB, by Fig. 8
Understand, transmission coefficient S21 in frequency band is within -0.018dB by the present invention, realizes good efficiency of transmission and very low
Reflection parameters.
Embodiment 2
The center operating frequency of the present embodiment is 17Ghz, and the working frequency range of covering is 16.75GHz ~ 17.25GHz, structure
With embodiment 1.
Difference is that this curved wall thickness of new equivalent 180 ° of ridge waveguides is t=0.6mm, and the I-shaped long Fl of coupling slot is
5.2mm, the length of upper strata ridge waveguide short-circuit end transforming section 21 and wide respectively Tw=6.2mm, T1=2.8mm, upper strata ridge waveguide output end
Transforming section 23 grows and wide respectively Fz=6.2mm, Ty=0.4mm, I-shaped coupling slot 22 and upper strata ridge waveguide output end transforming section
23 chamfer radius are r=0.8mm.The upper strata ridge waveguide short-circuit end transforming section high Th=4.24mm of 21 ridge, the part high beyond ridge
Tc=1.04mm, spacing Td=2.4mm that edge converts apart from short-circuit end Te=6.56mm, upper strata ridge waveguide or so, ridge and wave guide wall
Distance Tb=Rb-Rh=1.4mm.The lumen width Ra of ridge waveguide is 6mm, and the cavity heights Rb of ridge waveguide is 4mm, single ridge width
Rw is 2.8mm, and single ridge height Rh is 2.6mm.
The long Ra of ridge waveguide is 6mm, and the wide Rb of ridge waveguide is 4mm, and single ridge width Rw is 2.8mm, and single ridge height Rh is 2.6mm.
Referring to Fig. 9 and Figure 10, as shown in Figure 9, reflection parameters S11 of the present invention in frequency band is below -25dB, by scheming
10 understand, transmission coefficient S21 in frequency band is within -0.014dB by the present invention, realize good efficiency of transmission and very low
Reflection parameters.
Claims (3)
1. a kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array are curved, it is characterised in that：Equivalent 180 ° of ridge ripples
Lead it is curved be made up of side by side up and down upper strata waveguide and lower floor's waveguide, it is stepped；
The upper strata waveguide is single ridged waveguides, and one end is short-circuit end, and the other end is output end, and the ridge of upper strata waveguide and lower floor's ripple
The top led is co-walled；The ridge of upper strata waveguide is by upper strata short-circuit end transforming section（21）With upper strata output end transforming section（23）Connection group
Into the upper strata short-circuit end transforming section（21）With upper strata output end transforming section（23）Junction and the top of lower floor's waveguide are co-walled
Place is provided with coupling slot（22）；
Lower floor's waveguide is single ridged waveguides, and one end is short-circuit end, and the other end is input；
The short-circuit end of the upper strata waveguide and the short-circuit end of lower floor's waveguide are all connected with the common wall of side, short-circuit end side
Upper strata short-circuit end transforming section（21）Height be more than upper strata waveguide ridge height, the width phase of the ridge of width and upper strata waveguide
Together；The output end of upper strata waveguide and the input of lower floor's waveguide are located at opposite side；
The cross section of the output end of upper strata waveguide is identical with the cross-sectional structure of lower floor's waveguide, and size is identical.
2. a kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array according to claim 1 are curved, its feature exists
In：The coupling slot（22）For I-shaped coupling slot.
3. a kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array according to claim 1 are curved, its feature exists
In：With upper strata short-circuit end transforming section（21）Connect side upper strata output end transforming section（23）Width be less than the ridge of upper strata waveguide
Width is highly identical with the height of the ridge of upper strata waveguide.
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| CN201510564248.5A CN105140610B (en) | 2015-09-08 | 2015-09-08 | A kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array are curved |
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| CN201510564248.5A CN105140610B (en) | 2015-09-08 | 2015-09-08 | A kind of equivalent 180 ° of ridge waveguides for ridge waveguide slot array are curved |
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| CN105140610B true CN105140610B (en) | 2018-03-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789914B (en) * | 2016-04-27 | 2018-08-10 | 安徽四创电子股份有限公司 | Feed structure for Waveguide slot frequency scanning antenna |
| US10403956B2 (en) * | 2016-10-04 | 2019-09-03 | The Boeing Company | Simplification of complex waveguide networks |
| CN107464972B (en) * | 2017-07-31 | 2021-01-26 | 中国电子科技集团公司第三十八研究所 | Ridge waveguide power divider |
| CN108598645B (en) * | 2017-11-30 | 2020-09-01 | 安徽四创电子股份有限公司 | Coupling structure from ridge waveguide to rectangular waveguide |
| CN108598646B (en) * | 2017-11-30 | 2020-08-28 | 安徽四创电子股份有限公司 | Coupling structure from strip line to rectangular waveguide |
| CN113871858B (en) * | 2021-09-27 | 2023-05-16 | 中国电子科技集团公司第三十八研究所 | Ridge waveguide antenna subarray with expandable array and array |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0351514A2 (en) * | 1988-07-16 | 1990-01-24 | Kathrein-Werke Kg | Waveguide twist |
| CN104332714A (en) * | 2014-11-13 | 2015-02-04 | 安徽四创电子股份有限公司 | Dual-polarized oblique beam waveguide slot array antenna |
| CN205069832U (en) * | 2015-09-08 | 2016-03-02 | 安徽四创电子股份有限公司 | A 180 equivalent ridge waveguides are curved for ridge waveguide slot antenna battle array |
-
2015
- 2015-09-08 CN CN201510564248.5A patent/CN105140610B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0351514A2 (en) * | 1988-07-16 | 1990-01-24 | Kathrein-Werke Kg | Waveguide twist |
| CN104332714A (en) * | 2014-11-13 | 2015-02-04 | 安徽四创电子股份有限公司 | Dual-polarized oblique beam waveguide slot array antenna |
| CN205069832U (en) * | 2015-09-08 | 2016-03-02 | 安徽四创电子股份有限公司 | A 180 equivalent ridge waveguides are curved for ridge waveguide slot antenna battle array |
Non-Patent Citations (1)
| Title |
|---|
| 《毫米波双极化波导缝隙天线研究》;罗浩;《中国优秀硕士学位论文全文数据库（电子期刊）》;20150715;3.3.1-3.3.3节 * |
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