CN203773094U - Multichannel optical fiber rotary connector structure - Google Patents
Multichannel optical fiber rotary connector structure Download PDFInfo
- Publication number
- CN203773094U CN203773094U CN201420087527.8U CN201420087527U CN203773094U CN 203773094 U CN203773094 U CN 203773094U CN 201420087527 U CN201420087527 U CN 201420087527U CN 203773094 U CN203773094 U CN 203773094U
- Authority
- CN
- China
- Prior art keywords
- stator
- transition block
- hole
- magnet
- central
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a multichannel optical fiber rotary connector structure. The multichannel optical fiber rotary connector structure is provided with a center channel and a paraxial channel, and further comprises a rotor 1, a first stator, a second stator and a third stator, wherein each stator is internally provided with a transition block connected with the side wall inside the stator through a first magnet. According to the multichannel optical fiber rotary connector structure, optical fiber communication between the rotor and the stators is achieved through the connection relation of hardware structures, multiple defects caused by the adoption of reversing prisms are avoided, the process is simplified, and cost is lowered.
Description
Technical field
The present invention relates to a kind of data transmission structure, relate in particular to a kind of multi-Channel Fiber Optic Rotary Joint structure.
Background technology
The today developing rapidly in global economy and infotech, people are increasing to the demand of quantity of information, in the transmitting procedure of these high-speed high capacity signals, how data-signal is transferred to a static platform (two-way) from a rotation platform, the i.e. transmission of signal from rotary body to fixed body, becomes a kind of very important technical matters.In its solution, multi-Channel Fiber Optic Rotary Joint has been subject to people's favor with the particular advantages of its data-signal transmission, and it not only can transmit multichannel unlike signal, and multiple passage has more strengthened the stability of system.
Have a variety of about the structural design scheme of multi-Channel Fiber Optic Rotary Joint, as direct coupling method, symmetrical optics Structure Method, reflectometry and the prism method etc. of untwisting, the prism method of wherein untwisting is more extensively adopted by people, and the difference in this type of rotary connector structure is to select the different prisms that untwists.Traditional double channel optical fiber rotary connector structure mainly adopts the coupling scheme of lens, untwisting in prism method, what the selection of prism of untwisting mainly adopted is Dove prism, and Dove prism is applied to structure in multi-Channel Fiber Optic Rotary Joint as shown in Figure 1.The manufacturing process of traditional double channel optical fiber slip ring need to be adjusted platform and high-precision optical device and parts by accurate multidimensional, carry out the efficiency of the adjusting guarantee optical path signal coupling of light path in conjunction with ripe special process, reach requirement insertion loss value and rotation variate-value, its fabrication cycle is long.Meanwhile, in traditional multichannel optical fiber slip ring, the encapsulation of collimating apparatus is to want its coupling efficiency of real-time online control, in the situation that ensureing that insertion loss value and rotation change value, encapsulates; The encapsulation of Dove prism not only needs real-time adjustment, and needs its quality of fit of secondary processing guarantee and coupling efficiency once again; The gapless requirement of planet wheel engaged transmission ensures the stationarity of transmission, thereby coupling efficiency is maintained.Shown in figure 1, traditional double channel optical fiber rotary connector comprises rotor, stator, Dove prism, Dove prism sleeve, input channel, output channel, planet circular system structure etc.Signal between rotary body and stiff end transmits by the principle of optical reflection, refraction.
In addition, as the patent of invention " a kind of double channel optical fiber rotary connector " that application number is CN102914823A, a kind of fiber rotation connector that comprises central passage, paraxonic passage and turning axle is disclosed.Wherein, the mode that the transmission of light signal matches by convex lens and concavees lens, carries out signal transmission, and it has equally the accurate positioning lens of needs and causes the complicated shortcoming of assembling process.
Therefore, be badly in need of a kind ofly not needing to carry out that complex optical path regulates and the multi-Channel Fiber Optic Rotary Joint structure one multi-Channel Fiber Optic Rotary Joint structure of complicated assembling process.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of multi-Channel Fiber Optic Rotary Joint, comprise along same axis tactic rotor, the first stator, the second stator and the 3rd stator from left to right, also comprise a transmission shaft, parallel with each stator.
Described rotor 1 is a right cylinder, offers stair-stepping central through hole along its axis, also offers the paraxonic through hole parallel with central through hole, and central through hole forms central passage, and paraxonic through hole forms paraxonic passage.
Described the first stator comprises sidewall, the first magnet, oscillating bearing and the first stator transition block, and described sidewall is one to offer the pipe of central through hole, along pipe radially, offers stair-stepping oscillating bearing hole on tube wall, for described oscillating bearing is installed;
Described the first stator transition block is right cylinder, offers ladder hole along central axial direction setting, on described the first stator transition block outer wall, is distributed with fixing magnetic conductor, and the quantity of described magnetic conductor and position are corresponding with oscillating bearing hole; The quantity of described the first magnet is identical with oscillating bearing, and one end of described the first magnet is connected with the fixing magnetic conductor adhesive on described the first stator transition block outer wall, and the other end inserts in corresponding described oscillating bearing inner ring fixing.
Described the second stator structure is identical with the first stator structure, comprises sidewall, the first magnet, oscillating bearing 7 and the second stator transition block.The large one end in one end that described the first stator transition block ladder hole aperture is large and described the second stator transition block ladder hole aperture is adjacent.
Described the 3rd stator is right cylinder, offers ladder hole along central axial direction setting, and the axis that is parallel to ladder hole offers paraxonic through hole.
On the outer wall of described rotor right-hand member, be fixed with the first gear, engage with a transmission gear on described transmission shaft, on the outer wall of the second stator transition block left end, be fixed with the second gear, engage with another transmission gear on transmission shaft.
The ladder hole of the central through hole of described rotor and described the first stator transition block is connected by described optical fiber contact pins, and the ladder hole of described the second stator transition block is connected by optical fiber contact pins with described the 3rd stator ladder hole.
Described central passage is along the ladder hole of the first stator transition block, space between the second stator transition block and sidewall, and the 3rd stator paraxonic through hole extends; Paraxonic passage is along space between transition block and sidewall in the first stator, the second stator ladder hole, and the 3rd stator ladder hole extends.
On the optical fiber by described central passage, be fixed with the second magnet, be positioned at the outer exterior wall of described the second stator transition block; On the optical fiber by described paraxonic passage, be fixed with the second magnet, be positioned at the outer exterior wall of the first stator transition block; The surface magnetism of described the second magnet is identical with the surface magnetism of described the first magnet.
In real work, the first gear and the second gear are two groups of meshing gears, can ensure that rotor is identical with the rotating speed of the second stator transition block, ensure the free of discontinuities transmission of signal.
The present invention replaces the optical principle of traditional double passage fiber rotation connector by the hardware technology of optical fiber communication, solve light path design complexity, the high problem of the high cost causing of optics adjustment programme accuracy requirement, had advantages of that cost is low, equipment simple, be easy to safeguard.
Brief description of the drawings
Fig. 1 is traditional double passage fiber rotation connector structure;
Fig. 2 is the schematic diagram of a kind of multi-Channel Fiber Optic Rotary Joint structure of the present invention;
Fig. 3 is the elevational cross-sectional view of rotor of the present invention;
Fig. 4 is the elevational cross-sectional view of the first stator of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail:
As shown in Figure 2, the present embodiment comprises along same axis tactic rotor 1 and the first stator and the second stator, the 3rd stator from left to right, also comprises a transmission shaft, parallel with each stator.
As shown in Figure 2, be in a cylindrical rotor 1, offer stair-stepping central through hole along axis, also offer the paraxonic through hole parallel with central through hole, central through hole forms central passage A, and paraxonic through hole forms paraxonic channel B.
As shown in Figure 3, the first stator comprises sidewall, the first magnet 6, oscillating bearing 7 and transition block 3, and sidewall is one to offer the pipe of central through hole, along pipe radially, offers stair-stepping oscillating bearing hole on tube wall, for oscillating bearing 7 is installed; Transition block 3 is right cylinder, offers ladder hole along central axial direction setting, is distributed with fixing magnetic conductor on the outer wall of transition block 3, and the quantity of magnetic conductor and position are corresponding with oscillating bearing hole 21; The quantity of the first magnet 6 communicates with oscillating bearing 7, and one end of the first magnet 6 is connected with the fixing magnetic conductor adhesive on transition block 3 outer walls, and the other end inserts in corresponding joint bearing 5 inner rings fixing.
As shown in Figure 2, the second stator structure is identical with the first stator structure, and the large one end in one end that the first stator transition block 3 ladder hole apertures are large and the second stator transition block 3 ladder hole apertures is adjacent; The 3rd stator is right cylinder, offers ladder hole along central axial direction setting, and the axis that is parallel to ladder hole offers paraxonic through hole.
Shown in Fig. 2 and Fig. 4, on the outer wall of rotor right-hand member, be fixed with transmission gear, engage with a transmission gear on transmission shaft, on the outer wall of the second stator transition block 4 left ends, be fixed with transmission gear, engage with another transmission gear on transmission shaft.
The central through hole of rotor is connected by optical fiber contact pins with the ladder hole of the first stator transition block 3, and the ladder hole of the second stator transition block 3 is connected by optical fiber contact pins with the 3rd stator ladder hole.
Central passage A is along the ladder hole of transition block 3 in the first stator, space between transition block 3 and sidewall in the second stator, and the 3rd stator paraxonic through hole extends; Paraxonic channel B is along space between transition block 3 and sidewall in the first stator, the second stator ladder hole, and the 3rd stator ladder hole extends.
On the optical fiber by central passage A, be fixed with the second magnet 8, be positioned at the outer exterior wall of the second stator transition block 3; On the optical fiber by paraxonic channel B, be fixed with the second magnet 8, be positioned at the outer exterior wall of the first stator transition block 3; The surface magnetism of the second magnet 8 is identical with the surface magnetism of the first magnet 6.
In real work, the first gear 11 and the second gear 12 are two groups of meshing gears, can ensure that rotor 1 is identical with the rotating speed of the second stator transition block 4, ensure the free of discontinuities transmission of signal.
Above embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (3)
1. a multi-Channel Fiber Optic Rotary Joint structure, is characterized in that, comprises along same axis tactic rotor 1, the first stator, the second stator and the 3rd stator from left to right, also comprises a transmission shaft, parallel with each stator;
Described rotor (1) is a right cylinder, offers stair-stepping central through hole along its axis, also offers the paraxonic through hole parallel with central through hole, and central through hole forms central passage A, and paraxonic through hole forms paraxonic channel B;
Described the first stator comprises sidewall (2), the first magnet (6), oscillating bearing (7) and the first stator transition block (3), described sidewall (2) is one to offer the pipe of central through hole, along pipe radially, on tube wall, offer stair-stepping oscillating bearing hole (21), for described oscillating bearing (7) is installed;
Described the first stator transition block (3) is right cylinder, offer ladder hole along central axial direction setting, on described the first stator transition block (3) outer wall, be distributed with fixing magnetic conductor, the quantity of described magnetic conductor and position, corresponding with oscillating bearing hole (21); The quantity of described the first magnet (6) is identical with oscillating bearing (7), one end of described the first magnet (6) is connected with the fixing magnetic conductor adhesive on described the first stator transition block (3) outer wall, and the other end inserts in corresponding described oscillating bearing (5) inner ring fixing;
Described the second stator structure is identical with the first stator structure, comprises sidewall (2), the first magnet (6), oscillating bearing (7) and the second stator transition block (4); The large one end in one end that described the first stator transition block (3) ladder hole aperture is large and described the second stator transition block (4) ladder hole aperture is adjacent;
Described the 3rd stator is right cylinder, offers ladder hole along central axial direction setting, and the axis that is parallel to ladder hole offers paraxonic through hole;
On the outer wall of described rotor (1) right-hand member, be fixed with the first gear (11), engage with a transmission gear on described transmission shaft (10), on the outer wall of the second stator transition block (4) left end, be fixed with the second gear (12), engage with another transmission gear on described transmission shaft (10).
2. multi-Channel Fiber Optic Rotary Joint structure according to claim 1, is characterized in that,
The ladder hole of the central through hole of described rotor (1) and described the first stator transition block (3) is connected by described optical fiber contact pins (9), and the ladder hole of described the second stator transition block (4) is connected by optical fiber contact pins with described the 3rd stator ladder hole;
Described central passage (A) is along the ladder hole of the first stator transition block (3), space between the second stator transition block (4) and sidewall (2), and the 3rd stator paraxonic through hole extends; Paraxonic passage (B) is along space between transition block (3) in the first stator and sidewall (2), the second stator ladder hole, and the 3rd stator ladder hole extends;
On the optical fiber by described central passage (A), be fixed with the second magnet (8), be positioned at the outer exterior wall of described the second stator transition block (4); On the optical fiber by described paraxonic passage (B), be fixed with the second magnet (8), be positioned at the outer exterior wall of the first stator transition block (3); The surface magnetism of described the second magnet (8) is identical with the surface magnetism of described the first magnet (6).
3. multi-Channel Fiber Optic Rotary Joint structure according to claim 2, is characterized in that,
Described the first gear (11) and described the second gear (12) are two groups of meshing gears, can ensure that rotor (1) is identical with the rotating speed of the second stator transition block (4), ensure the free of discontinuities transmission of signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087527.8U CN203773094U (en) | 2014-02-27 | 2014-02-27 | Multichannel optical fiber rotary connector structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087527.8U CN203773094U (en) | 2014-02-27 | 2014-02-27 | Multichannel optical fiber rotary connector structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773094U true CN203773094U (en) | 2014-08-13 |
Family
ID=51290269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420087527.8U Withdrawn - After Issue CN203773094U (en) | 2014-02-27 | 2014-02-27 | Multichannel optical fiber rotary connector structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203773094U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837940A (en) * | 2014-02-27 | 2014-06-04 | 中国电子科技集团公司第八研究所 | Multichannel optical fiber rotary connector structure and manufacturing method |
| CN108710177A (en) * | 2018-04-20 | 2018-10-26 | 天津大学 | Off-axis fiber rotation connector |
| CN111796367A (en) * | 2020-06-30 | 2020-10-20 | 中国科学院西安光学精密机械研究所 | Space long-life binary channels optic fibre rotary connector |
-
2014
- 2014-02-27 CN CN201420087527.8U patent/CN203773094U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837940A (en) * | 2014-02-27 | 2014-06-04 | 中国电子科技集团公司第八研究所 | Multichannel optical fiber rotary connector structure and manufacturing method |
| CN108710177A (en) * | 2018-04-20 | 2018-10-26 | 天津大学 | Off-axis fiber rotation connector |
| CN111796367A (en) * | 2020-06-30 | 2020-10-20 | 中国科学院西安光学精密机械研究所 | Space long-life binary channels optic fibre rotary connector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103837940A (en) | Multichannel optical fiber rotary connector structure and manufacturing method | |
| CN103018839B (en) | Novel double-path optical fiber rotary connector | |
| CN203773094U (en) | Multichannel optical fiber rotary connector structure | |
| CN204405899U (en) | A kind of multi-fiber connector based on gradient-index lens | |
| RU2442124C1 (en) | Method for lens alignment | |
| CN105180846A (en) | Ceramic ferrule coaxiality detecting method | |
| CN103955030A (en) | Multichannel optical fiber rotary connector achieving conical refraction | |
| US9239433B2 (en) | Optical fiber cable connection device and method | |
| CN203773121U (en) | Continuous signal transmission structure | |
| US20120207430A1 (en) | Active off-axis fiber optic slip ring | |
| CN104793296A (en) | Active fiber optic rotary connecting device and method | |
| CN103412376B (en) | Fiber adapter and application thereof | |
| CN103901569B (en) | Signal transmission structure free of discontinuities and method | |
| CN111708120B (en) | High-speed multichannel optical fiber rotary connector | |
| CN203519874U (en) | Hollow smooth ring | |
| CN104240570A (en) | Combination mirror | |
| CN105068191A (en) | Optical fiber rotary connector and manufacturing process thereof | |
| CN104765127A (en) | Zoom lens and rotary cylinder thereof | |
| CN203773095U (en) | Fiber optic rotary joint | |
| CN218765318U (en) | Ring winding tool of symmetrical optical fiber ring for optical fiber gyroscope | |
| US9128253B2 (en) | Rotary optical cable connector | |
| CN115499064B (en) | Miniaturized multi-core transmitting-receiving laser communication device based on variable optical axis and design method | |
| CN206657177U (en) | A kind of combined type optical mirror plane roller | |
| CN202563128U (en) | Universal adaptor for optical fiber connector | |
| RU86020U1 (en) | CONNECTOR FOR OPTICAL CABLES |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160615 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |