CN204011609U - A kind of Multichannel microwave rotary joint - Google Patents
A kind of Multichannel microwave rotary joint Download PDFInfo
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- CN204011609U CN204011609U CN201420428186.6U CN201420428186U CN204011609U CN 204011609 U CN204011609 U CN 204011609U CN 201420428186 U CN201420428186 U CN 201420428186U CN 204011609 U CN204011609 U CN 204011609U
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- axially extending
- extending bore
- movable housing
- stationary housings
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Abstract
The utility model discloses a kind of Multichannel microwave rotary joint, comprise the stationary housings and the movable housing that are mutually rotationally connected, along movable housing rotating shaft direction, stationary housings is provided with coaxial and nested the first axially extending bore, the second axially extending bore and the 3rd axially extending bore successively with running through in movable housing; On stationary housings and movable housing, be respectively equipped with the Waveguide coaxial conversion with radio frequency plug; In the first axially extending bore, be penetrated with the first coaxial line with radio frequency plug; In the second axially extending bore, run through the second coaxial line, the two ends of the second coaxial line connect respectively the Waveguide coaxial conversion on stationary housings and movable housing; Stationary housings is also provided with input waveguide interface, is also provided with output waveguide interface on movable housing; Input waveguide interface is communicated with by the 3rd axially extending bore with output waveguide interface.Multichannel microwave rotary joint of the present utility model is simple in structure, size is less, difficulty of processing is little, and dependable performance.
Description
Technical field
The utility model relates to microwave signal transmission technique field, particularly a kind of Multichannel microwave rotary joint for various rotable antennas.
Background technology
Microwave current rotary joint radar with communicate by letter in rotable antenna in application many, be commonly used in L, C, S, X, Ku wave band etc., version mostly is single channel, even if having the binary channels of use or multichannel rotary joint, also be that version is complicated, physical dimension is large, and processing request is high, difficulty is large, and performance is difficult to guarantee.
Design multiple-channel ratation joint has two kinds of methods conventionally: coaxial nested type and stacked.Coaxial nested type adopts that to take coaxial road, center be reference arm, abducent mode layer by layer, and each path is coaxial line structure, and its inner wire is also the outer conductor of its inner gateway, and its outer conductor is also the inner wire of its outer path.Thick in the middle of the profile of rotary joint is generally, the spindle that two ends are thin.Each path of stacked rotary joint is structurally absolute construction, and there is a cavity centre, for outgoing cable.Every path concentric layer as playing with building blocks is gathered into folds, form multiple-channel ratation joint.The profile of rotary joint is generally the cylinder of constant diameter, and the size of diameter is relevant with the outside dimension of the cable of port number and use.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, size is less, processing request is low, difficulty of processing is little, and the Multichannel microwave rotary joint of dependable performance.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of Multichannel microwave rotary joint, comprise stationary housings and movable housing, and one end of movable housing is rotationally connected stationary housings;
In stationary housings and movable housing, along movable housing rotating shaft direction, run through and be provided with from inside to outside nested successively the first axially extending bore, the second axially extending bore and the 3rd axially extending bore; The first axially extending bore, the second axially extending bore and the 3rd axially extending bore are coaxial setting;
In the first axially extending bore, be penetrated with the first coaxial line, the input and output side of the first coaxial line is connected with respectively radio frequency plug;
On stationary housings and movable housing, be respectively equipped with Waveguide coaxial conversion, in Waveguide coaxial conversion, be separately installed with radio frequency plug; In the second axially extending bore, be penetrated with the second coaxial line, the input and output side of the second coaxial line connects respectively the Waveguide coaxial conversion on stationary housings and movable housing;
In stationary housings, be also provided with input waveguide interface, on movable housing, be also provided with output waveguide interface; Input waveguide interface is communicated with by the 3rd axially extending bore with output waveguide interface.
The utility model is in when application, and the 3rd axially extending bore connects input waveguide interface and output waveguide interface, utilizes the second coaxial outer conductor in the second axially extending bore as signal transmission conductor, forms first passage rotary joint; The second axially extending bore two ends connect Waveguide coaxial conversion, and utilize the first coaxial outer conductor in the first axially extending bore as signal transmission conductor, form second channel rotary joint; The first axially extending bore and the first coaxial line, the second coaxial line form third channel rotary joint, pass through coupled transfer signal between the first coaxial line and the second coaxial line.
Further, in the utility model, one end of movable housing embeds in stationary housings, and the end of movable housing and stationary housings inwall are dynamically connected by bearing rotary.Bearing is existing rolling bearing, and number of bearings can be set to a plurality of, so that the rotation of movable housing in stationary housings is more smooth.
Further, in order to guarantee the air-tightness between passage, between the outer surface of movable housing of the present utility model end and stationary housings inwall, be also provided with seal, seal can adopt the oil sealing that can match with bearing.
The beneficial effects of the utility model are: by adopting the mentality of designing of coaxial nested type, make that rotation joint structure is compact, size is little, stability and the electrical property stationarity of rotating are high, can be applicable to have in the radar system of high maneuvering characteristics, there is higher adaptive capacity to environment, reliability is high, and physical dimension is less.
Accompanying drawing explanation
Figure 1 shows that the utility model structural representation;
Wherein: stationary housings-1, movable housing-2, the first axially extending bore-3, the second axially extending bore-4, the 3rd axially extending bore-5, input waveguide interface-6, output waveguide interface-7, same principal axis transformation-8 of input waveguide, same principal axis transformation-9 of output waveguide, second channel input radio frequency plug-10, second channel output radio frequency plug-11, the first coaxial line-12, the second coaxial line-19, third channel input radio frequency plug-13, third channel output radio frequency plug-14, clutch shaft bearing-15, the second bearing-16, the 3rd bearing-17, the 4th bearing-18.
Embodiment
Below in conjunction with the drawings and specific embodiments, further describe.
Please refer to Fig. 1, Multichannel microwave rotary joint of the present utility model, comprises stationary housings 1 and movable housing 2, and one end of movable housing 2 is rotationally connected stationary housings 1; In stationary housings 1 and movable housing 2, along movable housing 2 rotating shaft directions, run through and be provided with from inside to outside nested successively the first axially extending bore 3, the second axially extending bore 4 and the 3rd axially extending bore 5; The first axially extending bore 3, the second axially extending bore 4 and the 3rd axially extending bore 5 are coaxial setting;
The input/output terminal that is penetrated with the first coaxial line 12, the first coaxial lines 12 in the first axially extending bore 3 connects respectively third channel input radio frequency plug 13 and third channel output radio frequency plug 14;
On stationary housings 1 and movable housing 2, be respectively equipped with Waveguide coaxial conversion, the input waveguide in stationary housings 1 with the output waveguide on principal axis transformation 8 and movable housing 2 with principal axis transformation 9; Input waveguide is with second channel input radio frequency plug 10 is installed on principal axis transformation 8, and output waveguide is with second channel output radio frequency plug 11 is installed on principal axis transformation 9;
The input that is penetrated with the second coaxial line 19, the second coaxial lines 19 in the second axially extending bore 4 is connected respectively the Waveguide coaxial conversion on stationary housings 1 and movable housing 2 with output;
Stationary housings 1 is also provided with input waveguide interface 6, is also provided with output waveguide interface 7 on movable housing 2; Input waveguide interface 6 is communicated with by the 3rd axially extending bore 5 with output waveguide interface 7.
Embodiment
In embodiment shown in Fig. 1, one end of movable housing 2 embeds in stationary housings 1, and the end of movable housing 2 and stationary housings 1 inwall are dynamically connected by bearing rotary.Bearing is existing rolling bearing, and number of bearings can be set to a plurality of, as being provided with clutch shaft bearing 15, the second bearings 16 in Fig. 1, so that the rotation of movable housing in stationary housings is more smooth;
Between the outer surface of movable housing 2 ends and stationary housings 1 inwall, be also provided with seal, seal can adopt the oil sealing that can match with clutch shaft bearing 15 and the second bearing 16, can guarantee the air-tightness between passage.
The utility model is when application, can form the microwave rotary joint with 3 passages: the 3rd axially extending bore 5 connects input waveguide interface 6 and output waveguide interface 7, utilize the second coaxial line 19 outer conductors in the second axially extending bore 4 as signal transmission conductor, form first passage rotary joint; The second axially extending bore 4 two ends connect Waveguide coaxial conversion, and utilize the outer conductor of the first coaxial line 12 in the first axially extending bore 3 as signal transmission conductor, form second channel rotary joint; The first axially extending bore 3 and the input, the output coaxial cable that are connected radio frequency plug, form third channel rotary joint, and the first coaxial line 12 and the second coaxial line 19 are by coupled transfer signal.
Above-mentioned second channel rotary joint is realized rotation smoothly by the 3rd bearing 17 being arranged on outside the second axially extending bore, and third channel rotary joint is realized rotation smoothly by the 4th bearing 18 being arranged on outside the first axially extending bore.
The utility model is by adopting the mentality of designing of coaxial nested type, make that rotation joint structure is compact, size is little, stability and the electrical property stationarity of rotating are high, can be applicable to have in the radar system of high maneuvering characteristics, there is higher adaptive capacity to environment, reliability is high, and physical dimension is less.
Claims (3)
1. a Multichannel microwave rotary joint, is characterized in that, comprises stationary housings and movable housing, and one end of movable housing is rotationally connected stationary housings;
In stationary housings and movable housing, along movable housing rotating shaft direction, run through and be provided with from inside to outside nested successively the first axially extending bore, the second axially extending bore and the 3rd axially extending bore; The first axially extending bore, the second axially extending bore and the 3rd axially extending bore are coaxial setting;
In the first axially extending bore, be penetrated with the first coaxial line, the input and output side of the first coaxial line is connected with respectively radio frequency plug;
On stationary housings and movable housing, be respectively equipped with Waveguide coaxial conversion, in Waveguide coaxial conversion, be separately installed with radio frequency plug; In the second axially extending bore, be penetrated with the second coaxial line, the input and output side of the second coaxial line connects respectively the Waveguide coaxial conversion on stationary housings and movable housing;
In stationary housings, be also provided with input waveguide interface, on movable housing, be also provided with output waveguide interface; Input waveguide interface is communicated with by the 3rd axially extending bore with output waveguide interface.
2. Multichannel microwave rotary joint according to claim 1, is characterized in that, one end of movable housing embeds in stationary housings, and the end of movable housing and stationary housings inwall are dynamically connected by bearing rotary.
3. Multichannel microwave rotary joint according to claim 2, is characterized in that, between the outer surface of movable housing end and stationary housings inwall, is also provided with seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428186.6U CN204011609U (en) | 2014-07-31 | 2014-07-31 | A kind of Multichannel microwave rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428186.6U CN204011609U (en) | 2014-07-31 | 2014-07-31 | A kind of Multichannel microwave rotary joint |
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| Publication Number | Publication Date |
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| CN204011609U true CN204011609U (en) | 2014-12-10 |
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| CN201420428186.6U Active CN204011609U (en) | 2014-07-31 | 2014-07-31 | A kind of Multichannel microwave rotary joint |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450592A (en) * | 2016-12-02 | 2017-02-22 | 中国船舶重工集团公司第七二四研究所 | High-power rotary hinge based on waveguide distributors and implementation method of high-power rotary hinge |
| CN107658665A (en) * | 2017-10-31 | 2018-02-02 | 深圳市森瑞普电子有限公司 | A kind of two-way high frequency conducting slip ring |
| CN108987859A (en) * | 2018-07-13 | 2018-12-11 | 中国船舶重工集团公司第七二四研究所 | A kind of multichannel broadband high-power microwave rotary gemel and its implementation |
| CN111224199A (en) * | 2020-01-08 | 2020-06-02 | 中国船舶重工集团公司第七二四研究所 | Ka and Ku wave band double-channel rotary joint |
| CN112201913A (en) * | 2020-09-29 | 2021-01-08 | 中国船舶重工集团公司第七二四研究所 | Three-channel broadband coaxial rotating hinge and implementation method thereof |
| CN114421103A (en) * | 2021-11-01 | 2022-04-29 | 成都利尼科医学技术发展有限公司 | Non-contact airtight high-power coaxial waveguide rotary joint |
-
2014
- 2014-07-31 CN CN201420428186.6U patent/CN204011609U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450592A (en) * | 2016-12-02 | 2017-02-22 | 中国船舶重工集团公司第七二四研究所 | High-power rotary hinge based on waveguide distributors and implementation method of high-power rotary hinge |
| CN106450592B (en) * | 2016-12-02 | 2021-08-17 | 中国船舶重工集团公司第七二四研究所 | High-power rotary hinge based on waveguide distributor and implementation method thereof |
| CN107658665A (en) * | 2017-10-31 | 2018-02-02 | 深圳市森瑞普电子有限公司 | A kind of two-way high frequency conducting slip ring |
| CN107658665B (en) * | 2017-10-31 | 2023-12-12 | 深圳市森瑞普电子有限公司 | Double-circuit high-frequency conductive slip ring |
| CN108987859A (en) * | 2018-07-13 | 2018-12-11 | 中国船舶重工集团公司第七二四研究所 | A kind of multichannel broadband high-power microwave rotary gemel and its implementation |
| CN111224199A (en) * | 2020-01-08 | 2020-06-02 | 中国船舶重工集团公司第七二四研究所 | Ka and Ku wave band double-channel rotary joint |
| CN111224199B (en) * | 2020-01-08 | 2021-07-06 | 中国船舶重工集团公司第七二四研究所 | Ka and Ku wave band double-channel rotary joint |
| CN112201913A (en) * | 2020-09-29 | 2021-01-08 | 中国船舶重工集团公司第七二四研究所 | Three-channel broadband coaxial rotating hinge and implementation method thereof |
| CN114421103A (en) * | 2021-11-01 | 2022-04-29 | 成都利尼科医学技术发展有限公司 | Non-contact airtight high-power coaxial waveguide rotary joint |
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