CN206038962U - Multi -channel optical fiber swivelling joint ware - Google Patents
Multi -channel optical fiber swivelling joint ware Download PDFInfo
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- CN206038962U CN206038962U CN201621021894.3U CN201621021894U CN206038962U CN 206038962 U CN206038962 U CN 206038962U CN 201621021894 U CN201621021894 U CN 201621021894U CN 206038962 U CN206038962 U CN 206038962U
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- dove
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Abstract
The utility model discloses a multi -channel optical fiber swivelling joint ware, including swivelling joint ware rotor and swivelling joint ware stator, adjustment sleeve of the inboard connection of swivelling joint ware rotor, install dove prism through the prism sleeve in the adjustment sleeve, four angles of the telescopic inside of prism all are equipped with the straight flute edge, four two bisymmetries of straight flute edge, the prism sleeve closely cooperates through the cone edge of straight flute edge with dove prism, the card is glued in telescopic one of them inboard of prism in dove prism's base, evenly be equipped with two rings of fine setting screws on the section of thick bamboo wall of adjustment sleeve, be equipped with the fine setting screw rod in the fine setting screw. The utility model discloses a constantly debugging makes the dove prism after the installation reduce heeling error and off -axis error, makes the mechanical axis of rotation coincidence of dove prism's well axial plane with light swivelling joint ware to reduce the incident optical fiber collimater and received the coupling loss between the optical collimator.
Description
Technical field
This utility model is related to a kind of fiber optic connection technology, more particularly to a kind of multi-Channel Fiber Optic Rotary Joint.
Background technology
Multi-Channel Fiber Optic Rotary Joint is that one kind carries out signal transmission through fiber device between rotation and static platform, extensively
Airborne, carrier-borne, and the system fiber-optic signal big data such as balloon borne transmission is applied to, Dove prism is rotatably connected as multichannel optical fiber
Critical optical prism in device.When Dove prism characteristic is that incident optical collimator angular velocity is rotated for 2 ω, Dove prism will be with angle
Degree ω rotations just can guarantee that the position of emergent light keeps constant, so as to realize the input channel and output channel of multichannel optical signal
Between couple.
When Dove prism light path is coupled, outgoing optical position should be with Jing after Dove prism for the incident illumination of incident optical collimator
Reception optical fiber collimator correspondence, when in Dove prism, axial plane is misaligned with mechanical rotary shaft, outgoing optical position is connect with corresponding
Receive optical fiber collimator to occur to deviate, cause outgoing optical position to change, and then affect light path coupling loss.
The coupling error that axial plane deviates generation with mechanical rotary shaft in Dove prism is primarily present three kinds：Off-axis error, incline
Oblique error and angular errors.Can be obtained by analyzing contrast, impact of the heeling error to coupling loss is maximum, next to that off axis
Error, angular errors affect minimum.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of multi-Channel Fiber Optic Rotary Joint, the multichannel light
Fine rotary connector ensure that the middle axial plane of Dove prism and the mechanical rotation overlapping of axles of fiber rotation connector, reduce coupling
Loss.
For achieving the above object, this utility model provides following technical scheme：A kind of multi-Channel Fiber Optic Rotary Joint,
Including rotary connector rotor and rotary connector stator, on the inside of rotary connector rotor, connect an adjustment sleeve, adjustment
Sleeve passes through actuating device and driving means are connected with rotary connector rotor, rotary connector stator, and rotary connector turns
The end of son is installed a center and collimates end cap, and an incident optical collimator is installed in the center for collimating end cap at center, adjusts
Dove prism is installed in a whole set of cylinder, the Dove prism is arranged in adjustment sleeve by prism sleeve, prism sleeve cuts
Face is square, and four angles of the outside of prism sleeve are equipped with chamfering, and four angles of the inside of prism sleeve are equipped with straight trough
Seamed edge, four straight trough seamed edges are symmetrical two-by-two, and Dove prism is placed in prism sleeve, and prism sleeve is by straight trough seamed edge and road prestige
The cone seamed edge of prism is fitted close, and the base paste of the Dove prism is in one of inner side of prism sleeve, prism set
Three sides of residue of cylinder are uniformly provided with three screw holes for fixing Dove prism respectively, adjust uniform on the barrel of sleeve
Two circles fine setting screw is provided with, often circle is provided with a fine setting screw, and the prism sleeve for installing Dove prism is installed to adjustment sleeve
It is interior, and prism sleeve is fixed up with adjustment sleeve by screw hole, fine setting screw rod is provided with fine setting fine setting screw.
Preferably, 4 adjusting holes and 4 fixing holes are uniformly distributed on the circumference of center collimation end cap, adjusting hole is in
The strip hole of heart collimation end cap radial direction elongation, the angle between adjacent adjusting hole is 90 °, and the angle between adjacent fixation holes is also
90 °, the angle between adjacent adjusting hole and fixing hole is 45 °, the end of rotary connector rotor be provided with respectively with adjusting hole,
The adjustment screw rod that fixing hole coordinates.
Preferably, the center respectively just to four faces of prism sleeve of the fine setting screw on adjustment sleeve, and
Just stagger the position that conplane three screw holes are located on prism sleeve with fine setting screw.
Preferably, gap is left between prism sleeve and adjustment sleeve, as debuging surplus.
Using above-mentioned technical proposal, this utility model makes the Dove prism after installation reduce inclination by constantly debugging
Error and off-axis error, make the middle axial plane of Dove prism and the mechanical rotation overlapping of axles of light rotary connector, so as to reduce
Coupling loss between incident optical collimator and reception optical fiber collimator.And prism sleeve is loaded by straight trough seamed edge
Power and influence mirror, realizes that the flexibility of Dove prism is fixed, reduces can rotary connector compact overall structure, bulk, save
Cost, and the processing technique of prism sleeve is convenient, has also allowed for the installation and debugging of Dove prism.
Description of the drawings
Fig. 1 is structural representation when this utility model determines benchmark optical axis；
Fig. 2 is the structural representation of this utility model prism sleeve；
Fig. 3 is the schematic cross-section of this utility model prism sleeve；
Fig. 4 is this utility model adjustment sleeve and prism sleeve assembling schematic diagram；
Fig. 5 is the overall structure diagram after this utility model prism sleeve loads adjustment sleeve；
Structural representation when Fig. 6 is this utility model Dove prism dead axle post debugging coupling loss value；
Fig. 7 is the front view that this utility model center collimates end cap；
Fig. 8 is the side view that this utility model center collimates end cap.
Specific embodiment
Below in conjunction with the accompanying drawings, by the description to embodiment, this utility model is described further：
As shown in Fig. 1 to 8, a kind of multi-Channel Fiber Optic Rotary Joint of this utility model, including rotary connector rotor 2 with
And rotary connector stator 12, connecting an adjustment sleeve 9 on the inside of rotary connector rotor 2, adjustment sleeve 9 passes through actuating device
And driving means are connected with rotary connector rotor 2, rotary connector stator 12, the end of rotary connector rotor 2 is installed
One center collimates end cap 1, and an incident optical collimator 3 is installed in the center for collimating end cap 1 at center, in adjustment sleeve 9
Dove prism 5 is installed, Dove prism 5 is arranged in adjustment sleeve 9 by prism sleeve 6, and the section of prism sleeve 6 is in side
Shape, four angles of the outside of prism sleeve 6 are equipped with chamfering, and four angles of the inside of prism sleeve 6 are equipped with straight trough seamed edge
7, four straight trough seamed edges 7 are symmetrical two-by-two, and Dove prism 5 is placed in prism sleeve 6, and prism sleeve 6 passes through straight trough seamed edge 7 and road
The cone seamed edge of power and influence mirror 5 is fitted close, and the base paste of Dove prism 5 is in one of inner side of prism sleeve 6, prism set
Three sides of residue of cylinder 6 are uniformly provided with three screw holes 8 for fixing Dove prism 5 respectively, adjust on the barrel of sleeve 9
Two circles fine setting screw 13 is uniformly provided with, often circle is provided with 4 fine setting screws 13, the prism sleeve 6 for installing Dove prism 5 is installed to tune
In a whole set of cylinder 9, and prism sleeve 6 is fixed up with adjustment sleeve 9 by screw hole 8, in fine setting fine setting screw 13, is provided with use
In the fine setting screw rod of the position in adjustment sleeve 9 of adjustment prism sleeve 6.
Dove prism of the present utility model 5 when mounted, should be installed according to the following steps：
1), the determination of benchmark optical axis：One incident optical collimator 3 of center installation of collimation end cap 1 at center, and
Visible light source is accessed on incident optical collimator 3, then observes the spot diameter that visible light source is formed on laser spot detection device 4
Size, collimates end cap 1 in the position of 2 one end of rotary connector rotor and rotation rotary connector rotor 2 by adjusting center,
So that visible light source is being installed on the spot diameter formed on the laser spot detection device 4 of 12 one end of rotary connector stator less than 5
Micron, now then center is collimated end cap 1 and is turned with rotary connector by the optical axis positioning datum optical axis of incident optical collimator 3
Son 2 is fixed.
2), the fixation of Dove prism：To make one be used for fixing the prism sleeve 6 of Dove prism 5, and prism sleeve 6 cuts
Face is square, and four angles of the outside of prism sleeve 6 are equipped with chamfering, and four angles of the inside of prism sleeve 6 are equipped with directly
Groove seamed edge 7, four straight trough seamed edges 7 are symmetrical two-by-two, and Dove prism 5 is placed in prism sleeve 6, and prism sleeve 6 passes through straight trough rib
Side 7 is fitted close with the cone seamed edge of Dove prism 5, and the base of Dove prism 5 is pasted in one of them of prism sleeve 6
Side, three sides of residue of prism sleeve 6 are uniformly provided with three screw holes 8 for fixing Dove prism 5 respectively.
Connect an adjustment sleeve 9 on the inside of rotary connector rotor 2, adjustment sleeve 9 passes through actuating device and is rotatably connected
Device rotor 2, rotary connector stator 12 connect, and actuating device includes angular wheel group 10 and power transmission shaft 11, rotary connector
Rotor 2, rotary connector stator 12 are being respectively equipped with the first the same angular wheel, power transmission shaft 11 near one end of power transmission shaft 11
Position between rotary connector rotor 2, rotary connector stator 12, and one end of power transmission shaft 11 is provided with and is rotatably connected
The second angular wheel that device rotor 2, the first angular wheel of 12 end of rotary connector stator are engaged, power transmission shaft 11 it is another
End is fixed with adjustment sleeve, when rotation rotary connector rotor 2 makes rotary connector around central axis, due to rotary connector
Stator 12 is motionless, and in the presence of power transmission shaft and angular wheel group 10, also the axis around rotary connector turns adjustment sleeve 9
It is dynamic.
Two circles fine setting screw 13 is uniformly provided with the barrel of adjustment sleeve 9, and often circle is provided with 4 fine setting screws 13, will install
The prism sleeve 6 of good Dove prism 5 is installed in adjustment sleeve 9, is fixed prism sleeve 6 with adjustment sleeve 9 by screw hole 8
Get up, when being installed to prism sleeve 6 in adjustment sleeve 9,0.8 millimeter will be left between prism sleeve 6 and adjustment sleeve 9
Gap, used as debuging surplus.
3), in Dove prism, the position of axial plane is debugged：After prism sleeve 6 is loaded adjustment sleeve 9, by installed in micro-
Position of the fine setting screw rod adjustment prism sleeve 6 in screw 13 in adjustment sleeve 9 is adjusted, and is connect on incident optical collimator 3
Enter visible light source, observe the spot radius change that visible light source is formed on laser spot detection device 4, when the radius of hot spot is less than 8
Adjustment can be suspended during micron.
Then a reception optical fiber symmetrical with incident optical collimator 3 is installed in the end of rotary connector stator 12 accurate
Straight device 14, and light power meter 15 is installed at the center of reception optical fiber collimator 14, then further adjusted by finely tuning screw rod again
Position of the prism sleeve 6 in adjustment sleeve 9 so that the coupling between incident optical collimator 3 and reception optical fiber collimator 14
Loss is minimized, while rotating adjustment sleeve 9 so that incident optical collimator 3 is with reception optical fiber collimator 14 in adjusting sleeve
Cylinder 9 rotates the coupling loss value in a week and is less than 2.0dB, the middle axial plane of Dove prism 5 now and the machinery of rotary connector
Rotation overlapping of axles, so that realize the dead axle of Dove prism 5.
4), prism sleeve is fixed and performance test：After the middle axial plane of Dove prism 5 determines, fine setting screw rod with
Low strain dynamic epoxy glue is clicked and entered between fine setting screw 13, then makes low strain dynamic epoxy glue uniform curing using solidifying radiation device, from
And realize positioning and the fixation of prism sleeve 5.
During low strain dynamic epoxy adhesive curing, on-line checking incident optical collimator 3 and reception optical fiber collimator 14
Between coupling loss value, after low strain dynamic epoxy glue is fully cured, detect that incident optical collimator 3 is collimated with reception optical fiber again
Coupling loss value between device 14, repeatedly test can intuitively observe that coupling loss value reduces.
4 adjusting holes 15 and 4 fixing holes 16 are uniformly distributed on the circumference of collimation end cap 1 in center of the present utility model, are adjusted
Whole Kong15Wei Yan centers collimate the strip hole of 1 radial extent of end cap, and the angle between adjacent adjusting hole 15 is 90 °, adjacent fixation
Angle between hole 16 is also 90 °, and the angle between adjacent adjusting hole 16 and fixing hole 17 is 45 °, rotary connector rotor 2
End be provided with respectively with adjusting hole 16, fixing hole 17 coordinate adjustment screw rod, adjustment center collimation end cap 1 be rotatably connected
During the position of 2 one end of device rotor, translation can be realized by the cooperation of adjusting hole 16 and adjustment screw rod, by fixing hole 17 and tune
The cooperation of whole screw rod is realized rotating.
When being installed to prism sleeve 6 in adjustment sleeve, the fine setting screw 13 on adjustment sleeve 9 is respectively just to rib
The center in four faces of mirror sleeve cylinder 6, and conplane three screw holes 3 are located on prism sleeve 6 with fine setting screw 13
Position stagger just, it is ensured that by finely tune screw rod debug prism 6 position of sleeve when, can avoid finely tune screw rod damage fix
Screw in the screw hole 8 and cause prism sleeve 6 to fix unstable phenomenon.
This utility model makes the Dove prism after installation 5 reduce heeling error and off-axis error by constantly debugging,
The middle axial plane of Dove prism 5 and the mechanical rotation overlapping of axles of light rotary connector is made, so as to reduce incident optical collimator 3
With the coupling loss between reception optical fiber collimator 14.And prism sleeve 6 installs Dove prism 5 by straight trough seamed edge 7, realize
The flexibility of Dove prism 5 is fixed, reduces can rotary connector compact overall structure, bulk, save cost, and
The processing technique of prism sleeve is convenient, has also allowed for the installation and debugging of Dove prism.
Above-described is only preferred implementation of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of design being created without departing from this utility model, can also make some deformations and improvement, these all belong to
In protection domain of the present utility model.
Claims (4)
1. a kind of multi-Channel Fiber Optic Rotary Joint, including rotary connector rotor (2) and rotary connector stator (12), revolves
Turn on the inside of adapter rotor (2), to connect adjustment sleeve (9), adjustment sleeve (9) pass through actuating device and driving means with
Rotary connector rotor (2), rotary connector stator (12) connection, a center is installed in the end of rotary connector rotor (2)
Collimation end cap (1), the center for collimating end cap (1) at center install an incident optical collimator (3), in adjustment sleeve (9)
Dove prism (5) is installed, it is characterised in that：Described Dove prism (5) are arranged on adjustment sleeve (9) by prism sleeve (6)
Interior, the section of prism sleeve (6) is square, and four angles of the outside of prism sleeve (6) are equipped with chamfering, and prism sleeve (6)
Four angles of inside be equipped with straight trough seamed edge (7), four straight trough seamed edges (7) are symmetrical two-by-two, and Dove prism (5) is placed on prism
In sleeve (6), cone seamed edge of the prism sleeve (6) by straight trough seamed edge (7) with Dove prism (5) is fitted close, the road prestige
In one of inner side of prism sleeve (6), three sides of residue of prism sleeve (6) are equal respectively for the base paste of prism (5)
It is even to be provided with three screw holes (8) for fixing Dove prism (5), the fine setting of two circles is uniformly provided with the barrel for adjusting sleeve (9)
Screw (13), often encloses and is provided with 4 fine settings screw (13), and the prism sleeve (6) for installing Dove prism (5) is installed to adjustment sleeve
(9) in, and prism sleeve (6) is fixed up with adjustment sleeve (9) by screw hole (8), is set in fine setting fine setting screw (13)
There is fine setting screw rod.
2. multi-Channel Fiber Optic Rotary Joint according to claim 1, it is characterised in that：Center collimation end cap (1)
Circumference on be uniformly distributed 4 adjusting holes (16) and 4 fixing holes (17), adjusting hole (16) is to collimate end cap (1) footpath along center
To the strip hole of elongation, the angle between adjacent adjusting hole (16) is 90 °, and the angle between adjacent fixation holes (17) is also 90 °,
Angle between adjacent adjusting hole (16) and fixing hole (17) is 45 °, the end of rotary connector rotor (2) be provided with respectively with
The adjustment screw rod that adjusting hole (16), fixing hole (17) coordinate.
3. multi-Channel Fiber Optic Rotary Joint according to claim 2, it is characterised in that：Positioned at adjustment sleeve (9)
On fine setting screw (13) center respectively just to four faces of prism sleeve (6), and be located on prism sleeve (6) same
Three screw holes (8) of plane are staggered just with the position for finely tuning screw (13).
4. multi-Channel Fiber Optic Rotary Joint according to claim 1, it is characterised in that：Prism sleeve (6) and tune
Gap is left between a whole set of cylinder (9), as debuging surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021894.3U CN206038962U (en) | 2016-08-30 | 2016-08-30 | Multi -channel optical fiber swivelling joint ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021894.3U CN206038962U (en) | 2016-08-30 | 2016-08-30 | Multi -channel optical fiber swivelling joint ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038962U true CN206038962U (en) | 2017-03-22 |
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ID=58301878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621021894.3U Active CN206038962U (en) | 2016-08-30 | 2016-08-30 | Multi -channel optical fiber swivelling joint ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038962U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037558A (en) * | 2017-12-28 | 2018-05-15 | 中国科学院西安光学精密机械研究所 | Curved surface prism, curved surface prism component and its processing method |
| CN108107510A (en) * | 2017-12-28 | 2018-06-01 | 桂林市兴达光电医疗器械有限公司 | A kind of fiber coupling device |
| CN110687638A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Optical fiber rotary connector prism shell |
| CN110687636A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Optical fiber rotary connector prism mounting structure |
| CN110687633A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Special sun shaft for optical fiber rotary connector |
| CN110687637A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Optical fiber rotary connector |
| CN110687632A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Special planet axle of optic fibre rotary connector |
| CN110687634A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Rotor outer ring pressing ring special for optical fiber rotary connector |
| CN110687635A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Connecting structure of sun shaft and planet shaft of optical fiber rotary connector |
| CN111830638A (en) * | 2020-07-17 | 2020-10-27 | 中国兵器装备集团上海电控研究所 | Detachable optical fiber signal rotary transmission device |
| CN113325521A (en) * | 2021-05-21 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Super multichannel optical fiber rotary connector |
| CN113341504A (en) * | 2021-05-21 | 2021-09-03 | 中国电子科技集团公司第十四研究所 | Adverse environment resistant multi-path optical fiber rotary connector |
| CN113866900A (en) * | 2021-04-28 | 2021-12-31 | 中国电子科技集团公司第十四研究所 | Multi-path optical fiber rotary connector |
-
2016
- 2016-08-30 CN CN201621021894.3U patent/CN206038962U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037558A (en) * | 2017-12-28 | 2018-05-15 | 中国科学院西安光学精密机械研究所 | Curved surface prism, curved surface prism component and its processing method |
| CN108107510A (en) * | 2017-12-28 | 2018-06-01 | 桂林市兴达光电医疗器械有限公司 | A kind of fiber coupling device |
| CN110687632A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Special planet axle of optic fibre rotary connector |
| CN110687636A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Optical fiber rotary connector prism mounting structure |
| CN110687633A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Special sun shaft for optical fiber rotary connector |
| CN110687637A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Optical fiber rotary connector |
| CN110687638A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Optical fiber rotary connector prism shell |
| CN110687634A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Rotor outer ring pressing ring special for optical fiber rotary connector |
| CN110687635A (en) * | 2018-10-12 | 2020-01-14 | 安徽澜轩光电科技有限责任公司 | Connecting structure of sun shaft and planet shaft of optical fiber rotary connector |
| CN111830638A (en) * | 2020-07-17 | 2020-10-27 | 中国兵器装备集团上海电控研究所 | Detachable optical fiber signal rotary transmission device |
| CN113866900A (en) * | 2021-04-28 | 2021-12-31 | 中国电子科技集团公司第十四研究所 | Multi-path optical fiber rotary connector |
| CN113866900B (en) * | 2021-04-28 | 2023-02-28 | 中国电子科技集团公司第十四研究所 | Multi-path optical fiber rotary connector |
| CN113325521A (en) * | 2021-05-21 | 2021-08-31 | 中国电子科技集团公司第十四研究所 | Super multichannel optical fiber rotary connector |
| CN113341504A (en) * | 2021-05-21 | 2021-09-03 | 中国电子科技集团公司第十四研究所 | Adverse environment resistant multi-path optical fiber rotary connector |
| CN113341504B (en) * | 2021-05-21 | 2022-05-17 | 中国电子科技集团公司第十四研究所 | Adverse environment resistant multi-path optical fiber rotary connector |
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