CN104466306B - Three-channel microwave rotary joint - Google Patents
Three-channel microwave rotary joint Download PDFInfo
- Publication number
- CN104466306B CN104466306B CN201410637933.1A CN201410637933A CN104466306B CN 104466306 B CN104466306 B CN 104466306B CN 201410637933 A CN201410637933 A CN 201410637933A CN 104466306 B CN104466306 B CN 104466306B
- Authority
- CN
- China
- Prior art keywords
- cavity
- square wave
- rotor
- stator
- twin
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000005855 radiation Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 abstract description 13
- 238000013461 design Methods 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Waveguide Connection Structure (AREA)
Abstract
The invention discloses a three-channel microwave rotary joint which comprises a single-waveguide rotor, a double-waveguide rotor, a double-waveguide stator, a single-waveguide stator, a first bearing, a second bearing, a first connection arm, a second connection arm, a first inner conductor, a second inner conductor and a third inner conductor. According to the three-channel microwave rotary joint, the axial distance is short, the signal transmission loss is reduced, the problem of multi-channel Ka frequency band signal transmission is solved, the transmit-receive insulation degree is good, double-bearing design is adopted, coaxiality is guaranteed through precise machining and assembling, electrical performance fluctuation generated in the rotating process is greatly lowered, and the reliability of spacecraft moving components is improved.
Description
Technical field
The present invention relates to a kind of microwave rotary joint, more particularly to a kind of triple channel microwave rotary joint, belong to space flight and fly
Row device follower design field.
Background technology
Microwave rotary joint is to ensure that microwave signal transmission is continual a kind of with machine in radar tracking rotary course
The special device of an electric bulk properties.
Domestic microwave rotary joint technology constantly improves with the development of radar communication technology, has nowadays covered
The every field of radio communication, technology is very ripe, mainly includes contact and contactless two kinds of microwave rotary joints.
Existing microwave rotary joint predominantly noodles communication products, structure mainly includes single channel, two-way and multichannel shape
Formula, LEO aerospace craft field at home, in the case of application space environment is complicated and changeable, multiple-channel ratation joint product is deposited
In certain limitation：
(1) weight is big：Due to Ground Application rotary joint product weight it is substantially unrestricted, it is various informative, it is less during design
Consider weight.
(2) loss is high：When signal transmission is to Ka frequency ranges, due to signal effective propagation path length, transfer surface it is thick
Rugosity difference and choke groove coupling matching is bad causes；
(3) rotation fluctuation is big：Because axiality difference causes, one occurs from part process and assemble link, and two is in complexity
Space environment under thermal deformation cause；
(4) isolation is poor：Multiple-channel ratation joint is mainly nested form, and each interchannel is provided without physical isolation, cause every
It is deteriorated from degree, there is interference between signal.
(5) application life is short：Existing rotary joint plain bearing easily occurs low under aerospace craft running space environment
Warm cold welding phenomenon, and then cause bearing stuck, service life is very short.
The content of the invention
The present invention technology solve problem be：Overcome the deficiencies in the prior art, there is provided a kind of triple channel microwave rotary joint,
The characteristics of with multichannel, low transmission loss, high tolerance power and life-span length.
Technical scheme：A kind of triple channel microwave rotary joint, including it is single waveguide rotor, twin-guide rotor, double
Waveguide stator, unicast lead stator, clutch shaft bearing, second bearing, the first linking arm, the second linking arm, the first inner wire, in second
Conductor and the 3rd inner wire；Single waveguide rotor is fixed into rotor, twin-guide stator with twin-guide rotor by the first linking arm
Stator being led with unicast and stator being fixed into by the second linking arm, rotor and stator are connected by clutch shaft bearing and second bearing, real
Existing stator and relative rotation of rotor；
First inner wire is cylinder, and single waveguide rotor top is provided with the first cylindrical empty matched with the first inner wire
Chamber, the first inner wire is arranged in the first cylindrical cavity, and with first cylindrical cavity coaxial line is formed；Single waveguide rotor
Annular groove is provided with the side wall of the first cylindrical cavity, the annular groove and twin-guide stator form rotary joint the
One choke groove；Unicast leads internal rotor and is provided with the first square wave guide cavity, in the first cylindrical cavity of single waveguide rotor and first
The coaxial line and the first square wave guide cavity that conductor is constituted forms matching transmission structure；
Twin-guide rotor top is provided with the second cylindrical cavity, for installing the second inner wire and the 3rd inner wire, second
Cylindrical cavity is coaxial with the first cylindrical cavity；Twin-guide internal rotor is provided with the second square wave guide cavity and the 3rd rectangular waveguide
Chamber, the second cylindrical cavity of twin-guide rotor constitutes respectively not connected symmetrical same with the second inner wire and the 3rd inner wire
Coaxial line and the formation of the second square wave guide cavity that axis, the second cylindrical cavity of twin-guide rotor and the second inner wire are constituted
With transmission structure, coaxial line and the 3rd square wave guide cavity that the second cylindrical cavity of twin-guide rotor and the 3rd inner wire are constituted
Form matching transmission structure；
Symmetrically it is provided with two mutual disconnected cylindrical cavities on twin-guide stator, described two cylindrical cavities are with
One cylindrical cavity is coaxial；It is recessed that twin-guide stator is provided with annular on the side wall near the cylindrical cavity of twin-guide rotor side
Groove, the annular groove forms the choke groove of rotary joint second with twin-guide rotor；Twin-guide stator interior is provided with the 4th square wave
Guide cavity and the 5th square wave guide cavity, the first inner wire forms matching transmission knot by coaxial beta radiation with the 4th square wave guide cavity
Structure, the second inner wire form matching transmission structure by coaxial beta radiation with the 5th square wave guide cavity；
Unicast is led and fourth cylindrical cavity coaxial with the second cylindrical cavity is provided with stator；Unicast is led stator and is being surround
Annular groove is provided with the side wall of the 4th cylindrical cavity, the annular groove forms the chokes of rotary joint the 3rd with twin-guide rotor
Groove；Unicast leads stator interior and is provided with the 6th square wave guide cavity, and the 3rd inner wire passes through coaxial beta radiation, with the 6th square wave guide cavity
Form matching transmission structure.
The slewing area of the rotor is -135 °～+135 °.
Single waveguide rotor, twin-guide rotor, twin-guide stator, unicast lead stator, the first inner wire, the second inner wire
And the 3rd inner wire adopt intermetallic composite coating；
Cylindrical cavity, the 4th cylindrical empty on first cylindrical cavity, the second cylindrical cavity, twin-guide stator
Chamber, the first square wave guide cavity, the second square wave guide cavity, the 3rd square wave guide cavity, the 4th square wave guide cavity, the 5th square wave guide cavity
And the 6th rectangular waveguide inner cavity surface carry out plate metal process.
The first square wave guide cavity, the second square wave guide cavity, the 3rd square wave guide cavity, the 4th square wave guide cavity, the 5th
Ladder is designed with square wave guide cavity and the 6th square wave guide cavity, to realize matching transmission.
Present invention advantage compared with prior art is：
(1) triple channel rotary joint of the invention adopts contactless coaxial line waveguide coupled structure, transmission range to be less than
Half wavelength, is capable of achieving the short structure of axial distance, and axial transceiver channel realizes physical isolation mode so that each channel spacing from
Spend；Each part is integrally machined, and adjacency channel shares same waveguide cavity wall, is designed using both sides duplex bearing, and reducing bearing makes
With quantity, volume and weight are reduced, realize multi channel signals transmission problem.
(2) triple channel microwave rotary joint signal effective propagation path of the invention is short, by finishing and the table of cavity
Face is processed, and makes accessory inner surface roughness very little, is assembled by special tooling, it is ensured that effective clearance at choke groove, coaxial line coupling
Close have wide band feature, be capable of achieving signal low-loss broadband transmission, Ka frequency ranges up to 0.2dB, 30% relative bandwidth.
(3) present invention adopts the little special-purpose metal material of thermal deformation coefficient, by precision assembly technology, it is ensured that lead in first
The axiality of body, the second inner wire and the 3rd inner wire assembling, clearance between precise control bearing is greatly reduced electrical during rotation
Can fluctuate, phase stability is high, the rotation fluctuation of Ka frequency band signals is 0.02dB, improves the reliability of spacecraft movable part.
(4) verified by rotary joint life test under the conditions of thermal vacuum, the triple channel microwave rotary joint energy of the present invention
It is enough to run 10 under low speed environments5Turn.
(5) using being processed using the little special-purpose metal material of thermal deformation coefficient, bearing adopts solid lubrication side to the present invention
Formula, environment adaptive temperature is reachable -100 DEG C～+100 DEG C, and application life is permanent under vacuum environment, and reliability is high.
(6) inner wire diameter of the invention is big, and transfer impedance is little, can improve rotary joint power tolerance, each passage
In the tolerable continuous wave power 100W of Ka frequency ranges.
Description of the drawings
Fig. 1 is the triple channel microwave rotary joint combination section along axial rotary；
Fig. 2 is that triple channel microwave rotary joint of the present invention combines three-dimensional profile figure；
Fig. 3 is that triple channel microwave rotary joint of the present invention combines choke coil profile.
Specific embodiment
The present invention relates to a kind of triple channel low-loss microwave rotary joint combination, especially may be used on satellite relay terminal point
In system self-tracking antenna system axis of dilatation, X-axis, Y-axis microwave receiving, transmission channel, ensure that antenna in limited range
Continuous, the low-loss transmission of microwave signal during expansion, tracking.
A kind of triple channel microwave rotary joint, including single waveguide rotor 1, twin-guide rotor 3, twin-guide stator 2, unicast lead
Stator 4, clutch shaft bearing 501, second bearing 502, the first linking arm 9, the second linking arm 10, the first inner wire 6, the second inner wire
7 and the 3rd inner wire 8；Single waveguide rotor 1 is fixed into rotor, twin-guide stator with twin-guide rotor 3 by the first linking arm 9
2 lead stator 4 with unicast is fixed into stator by the second linking arm 10, and rotor and stator are by clutch shaft bearing 501 and second bearing
502 connections, realize stator and relative rotation of rotor.
First inner wire 6 is cylinder, and the top of single waveguide rotor 1 is provided with the first cylinder matched with the first inner wire 6
Shape cavity, the first inner wire 6 is arranged in the first cylindrical cavity, with the first cylindrical cavity shape by screw thread or screw
Into the first coaxial line；Single waveguide rotor 1 is provided with annular groove, the annular groove one on the side wall of the first cylindrical cavity
Side contacts with twin-guide stator 2, and with twin-guide stator 2 the first choke groove of rotary joint 11 is formed；Open inside single waveguide rotor 1
There is the first square wave guide cavity 14, the first square wave guide cavity 14 is perpendicular to the first cylindrical cavity, the first cylinder of single waveguide rotor 1
The first coaxial line and the first square wave guide cavity 14 that shape cavity and the first inner wire 6 are constituted forms matching transmission structure.
The top of twin-guide rotor 3 is provided with the second cylindrical cavity, coaxial interior for installing the second coaxial inner conductor 7 and the 3rd
Conductor 8, the second cylindrical cavity is coaxial with the first cylindrical cavity, the second coaxial inner conductor 7, the 3rd coaxial inner conductor 8 and
Two cylindrical cavities are together by a threaded connection, and second perpendicular to the second cylindrical cavity is provided with inside twin-guide rotor 3
The square wave guide cavity 16 of square wave guide cavity 15 and the 3rd, 3 and second coaxial inner conductor of twin-guide rotor 7 constitutes the second coaxial line, double
Waveguide rotor 3 and the 3rd coaxial inner conductor 8 constitute triax, and the second coaxial line and triax constitute mutually disconnected
Symmetric coaxial line；Second coaxial line and the second square wave guide cavity 15 form matching transmission structure, triax and the 3rd rectangle
Waveguide cavity 16 forms matching transmission structure.
The top of twin-guide stator 2 is symmetrically provided with two mutual disconnected cylindrical cavities, the two mutual disconnected cylinders
Shape cavity is coaxial with the first cylindrical cavity, and the cylindrical cavity and the first cylindrical cavity near the first cylindrical cavity connects
Logical, near cylindrical cavity and the second cylindrical cavity connection of the second cylindrical cavity, twin-guide stator 2 is near twin-guide
Annular groove is provided with the side wall of the cylindrical cavity of the side of rotor 3, the annular groove forms rotary joint with twin-guide rotor 3
Second choke groove 12；The 4th square wave guide cavity 17 and the 5th square wave guide cavity 18, the first inner wire are provided with inside twin-guide stator 2
6 are radiated by coaxial line probe, matchs with the transmission of the 4th square wave guide cavity 17, the second coaxial inner conductor 7 passes through coaxial line probe
Radiation, matches with the transmission of the 5th square wave guide cavity 18.
Unicast leads the top of stator 4 and is provided with fourth cylindrical cavity coaxial with the second cylindrical cavity, and the 4th cylindrical
Cavity is connected with the second cylindrical cavity；；Unicast lead stator 4 around the 4th cylindrical cavity side wall on be provided with annular it is recessed
Groove, the annular groove forms the choke groove 13 of rotary joint the 3rd with twin-guide rotor 3；Unicast is led and be provided with inside stator 4 the 6th square
Shape waveguide cavity 19, the 3rd inner wire 8 forms matching transmission structure by coaxial beta radiation with the 6th square wave guide cavity 19.
First inner wire 6, the second inner wire 7 and the 3rd inner wire 8 define under the above constitution coaxial inner conductor.It is single
Waveguide rotor 1, twin-guide rotor 3, twin-guide stator 2, unicast lead stator 4, the first inner wire 6, the second inner wire 7 and the 3rd
Inner wire 8 adopts intermetallic composite coating.First cylindrical cavity, the second cylindrical cavity, cylindrical cavity, the 4th cylindrical empty
Chamber, the first square wave guide cavity 14, the second square wave guide cavity 15, the 3rd square wave guide cavity 16, the 4th square wave guide cavity 17, the 5th square
Shape waveguide cavity 18 and the inner surface of the 6th square wave guide cavity 19 carry out plating metal process.
Second square wave guide cavity 15, the 3rd square wave guide cavity 16 and the 6th square wave guide cavity 19 are designed with 1 grade of ladder, with reality
Existing three inner wires to the transmission of respective rectangular waveguide cavity is matched.
First square wave guide cavity 14, the 4th square wave guide cavity 17 and the 5th square wave guide cavity 18 are designed with 2 grades of ladders, with reality
Existing square wave guide cavity to the transmission of coaxial line is matched.
The installation of bearing：The inner ring of clutch shaft bearing 501 is contacted with single waveguide rotor 1, and the outer shroud of clutch shaft bearing 501 is determined with twin-guide
Son 2 is contacted；The inner ring of second bearing 502 is contacted with twin-guide rotor 3, the outer shroud of second bearing 502 and unicast lead stator 4 contact,
The inner ring of two bearing 502 is fixed on twin-guide rotor 3 by pressure ring 20, and the outer shroud of second bearing 502 is fixed to by 8 screws 21
Unicast is led on stator 4, adjusts the assembling clearance of bearing, it is ensured that the concentricity between each part of rotary joint.
Triple channel low-loss microwave rotary joint is combined as simple metal structure (aluminium or copper material), microwave signal pass through zero
Part inner surface carries out gold-plated or electric conductive oxidation and processes, it is ensured that best bright finish.First inner wire 6 is by screw or is threadably secured to list
On waveguide rotor 1, the second inner wire 7 and the 3rd inner wire 8 are secured on twin-guide rotor 3 by screw thread, should during assembling
Ensure the concentricity of inner wire and exocoel circle.Waveguide cavity processing adopts numerically controlled discharge machine process technology, it is ensured that structure is in pole
It is reliable under the temperature conditionss of end.
Control triple channel microwave rotary joint combination bearing axial direction assembly precision, keeps appropriate rotor, stator shaft orientation gap,
Deformed using gap and bearing itself end-play compensation temperature, reduce or avoid temperature deformation stress so that bearing revolves
Axial friction reduces between swivel, makes bearing wear slack-off, extends bearing service life.
The triple channel microwave rotary joint of the present invention is the combination of low-loss microwave rotary joint, is symmetrically installed using both sides double
Design bearing realizes the mutual motion between waveguide rotor and waveguide stator.Rotatable parts space adaptability key technology is product
The related lubricated of middle (center) bearing.In aerospace craft application aspect, from vacuum coating angular contact deep groove ball bearing, bearing is protected
It is polyimides or polytetrafluoroethylene (PTFE) to hold frame material, and vacuum coating bearing adopts stainless steel substrate, using solid self lubricant material
Sputtering technology, operating temperature range is big, can simultaneously bear radial and axial rotation compared with big load, has been applied multiple times and has flown in space
On row device, stable performance, long-term operating is reliable, and vacuum coating bearing carries out life test checking with whole machine.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (4)
1. a kind of triple channel microwave rotary joint, it is characterised in that：Including single waveguide rotor (1), twin-guide rotor (3), double wave
Lead stator (2), unicast and lead stator (4), clutch shaft bearing (501), second bearing (502), the first linking arm (9), the second linking arm
(10), the first inner wire (6), the second inner wire (7) and the 3rd inner wire (8)；Single waveguide rotor (1) and twin-guide rotor
(3) rotor is fixed into by the first linking arm (9), twin-guide stator (2) leads stator (4) by the second linking arm (10) with unicast
Stator is fixed into, rotor and stator are connected by clutch shaft bearing (501) and second bearing (502), realize that stator is relative with rotor
Rotate；
First inner wire (6) is cylinder, and single waveguide rotor (1) top is provided with first matched with the first inner wire (6) and justifies
Cylindrical cavity, the first inner wire (6) forms coaxial line in the first cylindrical cavity with first cylindrical cavity；
Single waveguide rotor (1) is provided with annular groove, the annular groove and twin-guide stator on the side wall of the first cylindrical cavity
(2) choke groove of rotary joint first (11) is formed；The first square wave guide cavity (14) is provided with inside single waveguide rotor (1), unicast is led
Coaxial line and the formation of the first square wave guide cavity (14) that first cylindrical cavity of rotor (1) and the first inner wire (6) are constituted
With transmission structure；
Twin-guide rotor (3) top is provided with the second cylindrical cavity, for installing the second inner wire (7) and the 3rd inner wire (8),
Second cylindrical cavity is coaxial with the first cylindrical cavity；Be provided with inside twin-guide rotor (3) the second square wave guide cavity (15) and
3rd square wave guide cavity (16), the second cylindrical cavity of twin-guide rotor (3) is interior with the second inner wire (7) and the 3rd respectively to lead
Body (8) constitutes not connected symmetric coaxial line, second cylindrical cavity and the second inner wire (7) structure of twin-guide rotor (3)
Into coaxial line and the second square wave guide cavity (15) formed matching transmission structure, the second cylindrical cavity of twin-guide rotor (3)
The coaxial line constituted with the 3rd inner wire (8) and the 3rd square wave guide cavity (16) form matching transmission structure；
Symmetrically it is provided with two mutual disconnected cylindrical cavities on twin-guide stator (2), described two cylindrical cavities are with
One cylindrical cavity is coaxial；Twin-guide stator (2) is provided with the side wall near the cylindrical cavity of twin-guide rotor (3) side
Annular groove, the annular groove forms the choke groove of rotary joint second (12) with twin-guide rotor (3)；In twin-guide stator (2)
Portion is provided with the 4th square wave guide cavity (17) and the 5th square wave guide cavity (18), the first inner wire (6) by coaxial beta radiation, with
Four square wave guide cavities (17) form matching transmission structure, the second inner wire (7) by coaxial beta radiation, with the 5th square wave guide cavity
(18) matching transmission structure is formed；
Unicast is led and be provided with stator (4) fourth cylindrical cavity coaxial with the second cylindrical cavity；Unicast leads stator (4) in ring
Annular groove is provided with the side wall of the 4th cylindrical cavity, the annular groove and twin-guide rotor (3) form rotary joint the
Three choke grooves (13)；Unicast to be led and be provided with the 6th square wave guide cavity (19) inside stator (4), and the 3rd inner wire (8) is by coaxial line
Radiation, with the 6th square wave guide cavity (19) matching transmission structure is formed.
2. triple channel microwave rotary joint according to claim 1, it is characterised in that：The slewing area of the rotor for-
135 °～+135 °.
3. triple channel microwave rotary joint according to claim 1, it is characterised in that：Single waveguide rotor (1), double wave
Lead rotor (3), twin-guide stator (2), unicast lead stator (4), the first inner wire (6), the second inner wire (7) and the 3rd in lead
Body (8) adopts intermetallic composite coating；
Cylindrical cavity, the 4th cylindrical cavity on first cylindrical cavity, the second cylindrical cavity, twin-guide stator (2),
First square wave guide cavity (14), the second square wave guide cavity (15), the 3rd square wave guide cavity (16), the 4th square wave guide cavity (17),
5th square wave guide cavity (18) and the 6th square wave guide cavity (19) inner surface carry out plating metal process.
4. triple channel microwave rotary joint according to claim 1, it is characterised in that：The first square wave guide cavity
(14), the second square wave guide cavity (15), the 3rd square wave guide cavity (16), the 4th square wave guide cavity (17), the 5th square wave guide cavity
(18) and in the 6th square wave guide cavity (19) ladder is designed with, to realize matching transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637933.1A CN104466306B (en) | 2014-11-06 | 2014-11-06 | Three-channel microwave rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637933.1A CN104466306B (en) | 2014-11-06 | 2014-11-06 | Three-channel microwave rotary joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466306A CN104466306A (en) | 2015-03-25 |
| CN104466306B true CN104466306B (en) | 2017-04-19 |
Family
ID=52911968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410637933.1A Active CN104466306B (en) | 2014-11-06 | 2014-11-06 | Three-channel microwave rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104466306B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410333A (en) * | 2016-10-19 | 2017-02-15 | 京航泰（北京）科技有限公司 | Single-channel waveguide rotating joint |
| CN106324369B (en) * | 2016-11-10 | 2023-06-27 | 成都雷电微晶科技有限公司 | Non-contact rotary device suitable for microwave antenna test |
| CN112909450B (en) * | 2020-12-21 | 2021-11-05 | 中国电子科技集团公司第三十八研究所 | Satellite-borne dual-band four-channel rotary joint |
| CN112838339B (en) * | 2021-02-04 | 2024-11-12 | 京航泰（北京）科技有限公司 | A two-way waveguide and one-way coaxial rotation joint |
| CN114583419B (en) * | 2022-01-12 | 2023-10-20 | 中国电子科技集团公司第十研究所 | Capacitive coaxial radio frequency rotary joint |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2370591Y (en) * | 1999-04-19 | 2000-03-22 | 中国科学院紫金山天文台 | Structure simplied rotary joint |
| CN1906798A (en) * | 2004-05-12 | 2007-01-31 | 联邦国有企业“礼炮号”莫斯科国家工厂 | Multichannel rotatable joint (variants) |
| CN101320824A (en) * | 2007-06-06 | 2008-12-10 | 斯皮纳有限公司 | Hf turn coupling with lambda/4 output between stator and rotor |
| CN101414699A (en) * | 2008-12-01 | 2009-04-22 | 中国航天科技集团公司第五研究院第五〇四研究所 | Novel microwave rotary joint |
| CN102055047A (en) * | 2009-10-29 | 2011-05-11 | 西安空间无线电技术研究所 | Ka frequency range high-power waveguide rotary joint |
| RU2010122356A (en) * | 2010-06-01 | 2011-12-10 | ОАО "Муромский завод РИП" (RU) | THREE-CHANNEL MICROWAVE ROTATING ARTICLE |
| CN102522610A (en) * | 2011-12-22 | 2012-06-27 | 南京鑫轩电子系统工程有限公司 | Multichannel microwave rotary joint |
| EP2601706B1 (en) * | 2010-08-03 | 2014-09-10 | G.E.M. Elettronica S.r.L. | Power dual-band rotary joint operating on two different bands |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0821257D0 (en) * | 2008-11-21 | 2008-12-31 | Rolls Royce Plc | A rotary machine such as a gas turbine engine |
-
2014
- 2014-11-06 CN CN201410637933.1A patent/CN104466306B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2370591Y (en) * | 1999-04-19 | 2000-03-22 | 中国科学院紫金山天文台 | Structure simplied rotary joint |
| CN1906798A (en) * | 2004-05-12 | 2007-01-31 | 联邦国有企业“礼炮号”莫斯科国家工厂 | Multichannel rotatable joint (variants) |
| CN101320824A (en) * | 2007-06-06 | 2008-12-10 | 斯皮纳有限公司 | Hf turn coupling with lambda/4 output between stator and rotor |
| CN101414699A (en) * | 2008-12-01 | 2009-04-22 | 中国航天科技集团公司第五研究院第五〇四研究所 | Novel microwave rotary joint |
| CN102055047A (en) * | 2009-10-29 | 2011-05-11 | 西安空间无线电技术研究所 | Ka frequency range high-power waveguide rotary joint |
| RU2010122356A (en) * | 2010-06-01 | 2011-12-10 | ОАО "Муромский завод РИП" (RU) | THREE-CHANNEL MICROWAVE ROTATING ARTICLE |
| EP2601706B1 (en) * | 2010-08-03 | 2014-09-10 | G.E.M. Elettronica S.r.L. | Power dual-band rotary joint operating on two different bands |
| CN102522610A (en) * | 2011-12-22 | 2012-06-27 | 南京鑫轩电子系统工程有限公司 | Multichannel microwave rotary joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466306A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104466306B (en) | Three-channel microwave rotary joint | |
| CN208820033U (en) | A Waveguide Rotary Joint for Low Profile Beam Scanning Antennas | |
| CA2870556C (en) | Ultra-compact low-cost microwave rotary joint | |
| CN209929452U (en) | Double-channel microwave rotary joint | |
| CN106803618B (en) | A kind of button-shaped radio frequency (RF) coaxial connector of hair | |
| CN103022606B (en) | High-reliability K-type radiofrequency coaxial terminal load | |
| CN114583419B (en) | Capacitive coaxial radio frequency rotary joint | |
| CN106788611B (en) | Rotary communication device based on magnetic field coupling | |
| CN102394323A (en) | Millimeter-wave wideband TE01-mode rotating joint | |
| CN107039715B (en) | Contact type gapless waveguide rotary joint | |
| CN206878146U (en) | The gapless waveguide junction of contact | |
| CN204011609U (en) | A kind of Multichannel microwave rotary joint | |
| CN110299634A (en) | A kind of N Connector | |
| CN112803127B (en) | Broadband non-contact coaxial rotary joint and radar antenna | |
| CN111934065B (en) | Broadband abrasion-resistant circular waveguide rotary joint and design method | |
| CN104022419B (en) | High performance precision microwave adapter | |
| CN115241617B (en) | L wave band rotary combined joint | |
| CN203911186U (en) | High performance precise microwave adapter | |
| CN111934061B (en) | Ultra-wideband waveguide rotary joint, control system, method and application | |
| CN103000997B (en) | L-frequency miniature helical antenna | |
| CN211789913U (en) | Multilayer nested formula photoelectricity rotation transmission device | |
| US10193335B2 (en) | Radio frequency surge protector with matched piston-cylinder cavity shape | |
| CN111628367B (en) | Phase-adjustable cable connector | |
| EP2860824B1 (en) | Electrical device connector | |
| CN103367967A (en) | Millimeter wave coaxial connector with novel insulating support structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |