CN106384862A - L waveband non-contact small axial size rotating hinge and realization method for the same - Google Patents
L waveband non-contact small axial size rotating hinge and realization method for the same Download PDFInfo
- Publication number
- CN106384862A CN106384862A CN201611094856.5A CN201611094856A CN106384862A CN 106384862 A CN106384862 A CN 106384862A CN 201611094856 A CN201611094856 A CN 201611094856A CN 106384862 A CN106384862 A CN 106384862A
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- China
- Prior art keywords
- coaxial
- input
- output port
- rotating hinge
- transmission ring
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/06—Movable joints, e.g. rotating joints
- H01P1/062—Movable joints, e.g. rotating joints the relative movement being a rotation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Waveguide Connection Structure (AREA)
Abstract
The invention discloses an L waveband non-contact small axial size rotating hinge and a realization method for the same. The L wave band non-contact small axial size rotating hinge and the realization method solve problems that the bandwidth of an L waveband non-contact type rotating hinge is narrow and a big axial size is not convenient for design of a multi-channel rotating hinge inlay structure and is applied to mechanical scanning system radar countermeasures. About the L waveband non-contact small axial size rotating hinge, a transmission ring coaxial outer conductor and an annular flat wide coupling line constitutes a coupling transmission ring; a signal on a coaxial input port is divided into two signals which are transmitted to the coupling transmission ring and the two signals are combines into one signal which is outputted from a coaxial output port; the coaxial input port and the coaxial output port are connected to the coupling transmission ring in parallel; transmission ring coaxial inner conductors are annular flat coupling lines, between which a certain space is arranged; and two-stage matching sections and a polytetrafluoroethylene medium block constitute a short circuit adjustment device. The L wave band non-contact small axial direction size rotating hinge and a realization method for the same increase the bandwidth of the rotating hinge, reduce the axial size and provide convenience to multichannel rotating hinge inlay structure design, and is easy in part processing and reliable in processing.
Description
Technical field
A kind of contactless little axial dimension broadband rotary gemel of L-band according to the present invention and its implementation, are suitable for
In electronic equipments such as mechanical scanning radar antagonism.The invention belongs to radar antenna feeder technical field.
Background technology
In order to search for and follow the tracks of target, its antenna must rotate mechanical scanning radar at any time.Multipassage rotary hinge
It is made up of multiple Single-channel Rolling hinges, version can be divided into stacked, nested type and hybrid.Multipassage rotary hinge is tied
Structure generally requires to be designed according to its actual installing space, sometimes must single channel big by radial dimension, that axial dimension is little revolve
The multipassage rotary hinge of turning hinge chain composition reaches full border installation requirement.A kind of L-band non-contact rotary hinge is it is simply that handle
Coaxial line circle, then radially cuts into upper and lower two parts open it, and each section connects SMA coaxial socket as defeated
Enter and output port, respectively in the short-circuit deployment device of right opposite design of input and output port, upper and lower two parts can be relatively
Rotation, two short-circuit deployment device height axially are higher because operating frequency is low, in order to ensure multipassage rotary hinge
Structure meets actual installation and requires, and needs to be embedded in be located at by contactless for L-band little axial dimension broadband rotary gemel to lead to more
Between the input of road rotary gemel high power passage and output end, the input of multipassage rotary hinge high power passage and defeated
Go out distance between end typically to set, and the short-circuit deployment device height sum axially less than two, so it is not easy to many
Passage rotary gemel structure design, debugging space is also limited, and the coaxial line internal and external conductor section of circle is typically all taken and is
Circle, radially cuts into upper and lower two parts open, is designed with space to rotate against, this constitutional detail between upper and lower two parts
Processing is not easy, and assembling is unreliable, and this type rotary gemel high frequency characteristics is poor, and working band is narrow.
Content of the invention
A kind of contactless little axial dimension broadband rotary gemel of L-band according to the present invention and its implementation, mainly
Inlay because axial dimension is not suitable for greatly multichannel for solving L-band non-contact rotary hinge, working band is narrow and assembles not
Reliable problem.
Technical scheme is mainly made up of the design of short-circuit deployment device and coupled transfer ring design two part.
The short-circuit deployment device of the present invention devises a kind of two-stage matching section (3), (4) and PTFE medium block
(6)；Transmission ring coaxial outer conductor 8 and circular flat wide coupling line 7 form coupled transfer ring, the signal of coaxle input end mouth 2
Be divided into two to transmit and export from coaxial output line mouth 1 to coupled transfer ring is two-in-one again, therefore coaxially input, output port is to coupling
Closing transmission ring is parallel way, according to the characteristic impedance Z setting0Determine coaxial inner and outer conductor diameter d, D, coupled transfer ring is special
Property impedance takes 2Z0, transmission ring coaxial inner conductor is the spacing between two circular flat width coupling line (7) is h, as Fig. 1 institute
Show.This technical scheme improves rotary gemel high-frequency work characteristic, increased bandwidth, reduces axial dimension, and part is processed
Easily, assemble reliability.
The present invention has following technical characterstic：1. this rotary gemel radial dimension R and R1 is big；2. circular flat wide coupling
Line (7) improves high-frequency work characteristic, increased bandwidth；3. use PTFE medium block (6), design two-stage matching section
(3) and (4), compared with using common short-circuit block at present, increased bandwidth, reduce axial dimension, so that part is easy to simultaneously plus
Work, assembling is reliable.
The key point of the present invention is：
1. transmission ring coaxial inner conductor adopts circular flat width coupling line, improves high-frequency work characteristic, increased band
Width, does not contact in rotary gemel rotary course, thus will not wear and tear.
2. adopt two-stage matching section and PTFE medium block, compared with using short-circuit block, increased bandwidth, reduce
Axial dimension, makes part easy to process simultaneously, and assembling is reliable.
3. this rotary gemel radial dimension is big, axial dimension is little, is suitable for that composition radial dimension is big and that axial dimension is little is many
Passage rotary gemel.
Compared with prior art, its remarkable advantage is the present invention：
1. the circular flat width coupling line of design and two-stage matching section, improve high-frequency work characteristic, increased work band
Wide.
2. design two-stage matching section and PTFE medium block, reduce axial dimension, make part easy to process simultaneously,
Assembling is reliable.
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Brief description
Accompanying drawing 1 is a kind of L-band contactless little axial dimension broadband rotary gemel figure.Wherein, 1- coaxial output line mouth,
2- coaxle input end mouth, 3- input matching section, 4- output end matching section, 5- high frequency choke device, 6- PTFE medium
Block, the circular flat width coupling line of 7-, 8- transmits ring coaxial outer conductor, 9-SMA socket inner core, and 10- input, output port are coaxial
Inner wire, D- input, output port coaxial outer conductor diameter, d- input, output port coaxial inner conductor diameter, W- is circular flat
Flat wide coupling line width, the circular flat width coupling line height of L-, the circular flat width coupling line inside radius of R1-, R- transmits ring
Radius, r- transmits ring coaxial outer conductor radius, the circular flat wide coupling distance between centers of tracks of h-, d1- first order matching section diameter, d2-
Second level matching section diameter, the axial distance in the h1- output end matching section Distance Transmission ring coaxial outer conductor center of circle, h2- input
The radial distance in the matching section Distance Transmission ring coaxial outer conductor center of circle.
Accompanying drawing 2 is accompanying drawing 1 partial enlarged drawing.Wherein, 10- input, output port coaxial inner conductor, D- input, output end
Mouth coaxial outer conductor diameter, d- input, output port coaxial inner conductor diameter, D1- PTFE medium block internal diameter, D2- gathers
Tetrafluoroethene medium block screens segment outer radius, L1- PTFE medium block length, L2- PTFE medium block screens portion
Divide length.
Specific embodiment
A kind of contactless little axial dimension broadband of L-band according to the present invention rotary gemel, specific embodiment is as follows
(referring to accompanying drawing)：
1. according to the characteristic impedance Z setting0Determine input, output port coaxial inner and outer conductor diameter d, D, meet Z0=
60ln (D/d), simultaneously for ensure SMA socket inner core 9 be inserted into input, in output port coaxial inner conductor 10, input, output
Port coaxial inner conductor 10 has rigidity, its diameter d >=2.5mm.
2. transmission ring coaxial outer conductor 8 and circular flat wide coupling line 7 form coupled transfer ring, coaxle input end mouth 2
Signal be divided into two to transmit and export from coaxial output line mouth 1 to coupled transfer ring is two-in-one again, therefore coaxially input, output end
Mouth is parallel way to coupled transfer ring, and coupled transfer ring property impedance takes 2Z0, the radius r of transmission ring coaxial outer conductor 8 will be greatly
In coaxial input, output port outer conductor diameter D, the radius r of general transmission ring coaxial outer conductor 8 is 1.2D～1.5D, annulus
The flat wide coupling line 7 width W of shape is more than input, output port coaxial inner conductor 10 diameter d, less than r+0.5d, circular flat
Wide coupling line 7 thickness L be less than 0.5d it is ensured that circular flat wide coupling line 7 has rigidity, circular flat wide coupling line 7 it
Between spacing h unsuitable excessive, take 0.2mm～0.4mm to be preferred, emulated using Microwave simulation business software and determine that coupled transfer ring is special
Property impedance be 2Z0When r, W, L, h size.
3. PTFE medium block 6 carries out screens, PTFE medium to input, output port coaxial inner conductor 10
Block 6 internal diameter D1, PTFE medium block screens segment outer radius D2, input, output port coaxial outer conductor diameter D meet D2＞
D ＞ D1,Wherein εrFor polytetrafluoroethylene (PTFE) dielectric constant, for playing screens effect, D2- D >=2mm, d-
D1>=2mm, PTFE medium block 6 length L1 is longer, and rotary gemel axial dimension compresses more, PTFE medium block
6 screens partial-length L2 are less than λ/20, and size is less, and telecommunication index is better it is considered to screens part should have enough rigidity, L2
≥1mm.
4. set up the simulation model of rotary gemel, input matching section 3, output end matching section 4 are Two Stages, two-stage
The diameter joining section is respectively:D1=0.65D～0.75D, d2=0.8D～0.9D, length is about 0.25D, adjusts key dimension,
Optimize index in band to reach：Voltage standing wave ratio is less than 1.5, and insertion loss is less than 0.2dB.
5. one integral piece processing, assembling finish, and a small range debugs the output end matching section Distance Transmission ring coaxial outer conductor center of circle
Axial distance h1 and the input matching section Distance Transmission ring coaxial outer conductor center of circle radial distance h2, meet index will
Ask.
Claims (2)
1. a kind of contactless little axial dimension broadband rotary gemel of L-band it is characterised in that：Transmission ring coaxial outer conductor (8)
With circular flat width coupling line (7) composition coupled transfer ring, two circular flat width coupling line (7), intervening gaps h, structure
Become transmission ring coaxial inner conductor, the signal of coaxle input end mouth (2) be divided into two transmit to coupled transfer ring more two-in-one from
Axle output port (1) exports, and coaxial input, output port to coupled transfer ring are parallel way, input matching section (3) and gathering
Tetrafluoroethene medium block (6) and output end matching section (4) and PTFE medium block (6) respectively constitute short circuit allotment dress
Put.
2. the implementation method of the contactless little axial dimension broadband of a kind of L-band according to claim 1 rotary gemel, its
It is characterised by：In SMA socket inner core (9) insertion input, output port coaxial inner conductor (10), circular flat width coupling line
(7) width W is more than input, output port coaxial inner conductor (10) diameter d, less than r+0.5d, circular flat width coupling line (7)
Thickness L is less than 0.5d, and the radius r of transmission ring coaxial outer conductor (8) is greater than coaxial input, output port outer conductor diameter D, gathers
Tetrafluoroethene medium block (6) carries out screens to input, output port coaxial inner conductor (10), in PTFE medium block (6)
Footpath D1, PTFE medium block screens segment outer radius D2, input, output port coaxial outer conductor diameter D meet D2＞ D ＞ D1,
For playing screens effect, D2- D >=2mm, d-D1>=2mm, input matching section (3) and output end matching section (4) are Two Stages,
The diameter of two-stage matching section is respectively：D1=0.65D～0.75D, d2=0.8D～0.9D, debugging output end matching section (4) away from
Axial distance h1 and input matching section (3) the Distance Transmission ring coaxial outer conductor center of circle from the transmission ring coaxial outer conductor center of circle
Radial distance h2, make to meet index request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611094856.5A CN106384862A (en) | 2016-12-02 | 2016-12-02 | L waveband non-contact small axial size rotating hinge and realization method for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611094856.5A CN106384862A (en) | 2016-12-02 | 2016-12-02 | L waveband non-contact small axial size rotating hinge and realization method for the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106384862A true CN106384862A (en) | 2017-02-08 |
Family
ID=57959858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611094856.5A Pending CN106384862A (en) | 2016-12-02 | 2016-12-02 | L waveband non-contact small axial size rotating hinge and realization method for the same |
Country Status (1)
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| CN (1) | CN106384862A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201914A (en) * | 2020-09-29 | 2021-01-08 | 中国船舶重工集团公司第七二四研究所 | Rotary sliding contact mechanism |
| CN112803127A (en) * | 2021-04-14 | 2021-05-14 | 中航富士达科技股份有限公司 | Broadband non-contact coaxial rotary joint and radar antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3914715A (en) * | 1974-06-26 | 1975-10-21 | Texas Instruments Inc | Coaxial ring rotary joint |
| EP0019510A1 (en) * | 1979-05-11 | 1980-11-26 | Thomson-Csf | Multipath rotating joint for electromagnetic detection equipment |
| 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 |
| CN103311644A (en) * | 2013-07-03 | 2013-09-18 | 中国船舶重工集团公司第七二四研究所 | Accumulated non-contact broadband high-power rotating hinge and achievement method thereof |
| CN206401475U (en) * | 2016-12-02 | 2017-08-11 | 中国船舶重工集团公司第七二四研究所 | A kind of contactless small axial dimension rotary gemel of L-band |
-
2016
- 2016-12-02 CN CN201611094856.5A patent/CN106384862A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3914715A (en) * | 1974-06-26 | 1975-10-21 | Texas Instruments Inc | Coaxial ring rotary joint |
| EP0019510A1 (en) * | 1979-05-11 | 1980-11-26 | Thomson-Csf | Multipath rotating joint for electromagnetic detection equipment |
| 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 |
| CN103311644A (en) * | 2013-07-03 | 2013-09-18 | 中国船舶重工集团公司第七二四研究所 | Accumulated non-contact broadband high-power rotating hinge and achievement method thereof |
| CN206401475U (en) * | 2016-12-02 | 2017-08-11 | 中国船舶重工集团公司第七二四研究所 | A kind of contactless small axial dimension rotary gemel of L-band |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201914A (en) * | 2020-09-29 | 2021-01-08 | 中国船舶重工集团公司第七二四研究所 | Rotary sliding contact mechanism |
| CN112803127A (en) * | 2021-04-14 | 2021-05-14 | 中航富士达科技股份有限公司 | Broadband non-contact coaxial rotary joint and radar antenna |
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Application publication date: 20170208 |