CN207742375U - A kind of standard interface formula optical fiber rotary joint - Google Patents
A kind of standard interface formula optical fiber rotary joint Download PDFInfo
- Publication number
- CN207742375U CN207742375U CN201721838532.8U CN201721838532U CN207742375U CN 207742375 U CN207742375 U CN 207742375U CN 201721838532 U CN201721838532 U CN 201721838532U CN 207742375 U CN207742375 U CN 207742375U
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- lens
- standard interface
- optical fiber
- rotor
- rotary joint
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- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model is related to a kind of standard interface formula optical fiber rotary joints, including stator and rotor, and the stator and rotor are connected by bearing, and are rotated with bearing；Form a through-hole inside the stator and rotor junction, fixed lens mount in the through-hole, fixed lens in the lens mount；It is fixedly connected with fibre-optical splice outside the lens mount, the fibre-optical splice connects sonet standard interface, and baffle ring is set in the sonet standard interface.The utility model has the advantages that structure is simpler, cost is lower, and especially optical fiber is replaceable, there is higher reliability and longer service life.
Description
Technical field
The utility model is related to technical field of optical fiber communication, and in particular to a kind of standard interface formula optical fiber rotary joint.
Background technology
Optical fiber rotary joint is to solve the company of rotatable connection process interrupted transmission signal using optical fiber as signal vehicle
Fitting.Using optical fiber as transmission media, it is suitable for passing from fixed platform to the continual large capacity signal of rotating platform, data
It is defeated.It is widely used in radar, wind-powered electricity generation, land plate armour, the fields such as biologic medical.
Current domestic and international fiber rotation connector is mainly inconjunction with optical fiber, i.e. optical fiber is fixed on rotary joint
Together.There is the features such as low-loss, high-low temperature resistant in this way.But it has the following disadvantages：Optical fiber can not be replaced in use, i.e., same rotation
Connector can not be applied to different type optical fiber；Optical fiber require it is very long under conditions of, to carry, installation brings great difficulty；
Optical fiber itself is under the action of by external force, easy damaged, easy fragmentation, so the optical fiber rotary joint of integral type, impaired in optical fiber
In the case of, entire device is scrapped, and risk is larger.
The existing file CN of issued patents 201373929Y disclose " a kind of optical-fiber rotating joint with dual passage ", with this reality
It is identical with novel stator, rotor, gyro part-structure, but the structures such as interior lens, lens mount, fibre-optical splice, baffle ring are different,
And what the patent mainly solved is previous optic fiber joint structure is complicated and kinematic accuracy is low problem, is solved with the utility model
The problem of it is different.
Utility model content
The purpose of this utility model is to solve the above problems, and provides a kind of at low cost, installation facility, and optical fiber can be replaced arbitrarily
Standard interface formula optical fiber rotary joint.
To achieve the above object, the technical solution of the utility model is：
A kind of standard interface formula optical fiber rotary joint, including stator and rotor, the stator and rotor are connected by bearing,
And it is rotated with bearing；Form a through-hole inside the stator and rotor junction, fixed lens mount in the through-hole, the lens
Fixed lens in seat；It is fixedly connected with fibre-optical splice outside the lens mount, the fibre-optical splice connects sonet standard interface, institute
It states in sonet standard interface and sets baffle ring, when optical fiber being made to be inserted into, fiber end face can just be positioned over the focal point of lens, and optical fiber passes through
Lens can form collimated light beam, reach another lens, converge to focus by lens, enter another optical fiber to low-loss
It is interior.
The fiber end face of the sonet standard interface internal is overlapped with lens focus；The rotor drive lens and optical fiber mark
Quasi- interface rotates 360 °.
Further, the lens are connected by sonet standard interface with optical fiber.
Further, the sonet standard interface is integrated with baffle ring.
Further, the lens are double glued mirrors, aspherical mirror, self-focus lens or C lens.
Further, the lens mount has high-precision mechanical tolerance with lens, ensures that optic axis and mechanical axis registration are small
In 2um, so that it is guaranteed that light in rotary course, good can reach another optical fiber from an optical fiber.
Further, the stator and rotor and lens mount are gluing, and the lens mount and lens are gluing, the lens mount
It is welding or gluing, the fibre-optical splice and sonet standard interface grafting with fibre-optical splice.
The utility model has the following advantages：
Optical fiber interface is the optical fiber interface of standard, and various type optical fibers can be used, and baffle ring position is fixed, and ensures various optical fiber
Outlet plugs simple easily connection in lens focus；Itself exists without fixing optical fiber, compact, convenient device on device
It is installed when use；Lens have carried out special designing, and effective aperture is big, can very well eliminate aberration, are applicable to more kinds of waves
Long and polymorphic type optical fiber.The utility model structure is simpler, and cost is lower, and especially optical fiber is replaceable, there is higher reliability
With the longer service life.
Description of the drawings
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the present invention in order to illustrate more clearly of this hair
Bright embodiment or technical solution in the prior art are made drawings that need to be used in the embodiment or the prior art description simple
Ground introduction for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.In the accompanying drawings：
Fig. 1 is the utility model internal structure schematic diagram；
Fig. 2 is that the utility model structure rotates schematic diagram；
Fig. 3 is that the utility model assembles finished figure.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
A kind of standard interface formula optical fiber rotary joint, including stator 1 and rotor 2, the stator 1 and rotor 2 pass through bearing 5
Connection, and rotated with bearing 5；Form a through-hole inside the stator 1 and 2 junction of rotor, fixed lens mount in the through-hole
3, fixed lens 6 in the lens mount 3；3 outside of the lens mount is fixedly connected with fibre-optical splice 4, and the fibre-optical splice 4 connects
Sonet standard interface 7 sets baffle ring 8 in the sonet standard interface 7, and when optical fiber being made to be inserted into, fiber end face can be just positioned over
The focal point of mirror 6, optical fiber can form collimated light beam by lens 6, reach another lens 6, coke is converged to by lens 6
Point enters in another optical fiber to low-loss.
Fiber end face inside the sonet standard interface 7 is overlapped with 6 focus of lens；2 drive lens 6 of the rotor and light
Fine standard interface 7 rotates 360 °.
Further, the lens 6 are connected by sonet standard interface 7 with optical fiber.
Further, the sonet standard interface 7 is integrated with baffle ring 8.
Further, the lens 6 are double glued mirrors, aspherical mirror, self-focus lens or C lens.
Further, the lens mount 3 has high-precision mechanical tolerance with lens 6, ensures optic axis and mechanical axis registration
Less than 2um, so that it is guaranteed that light in rotary course, good can reach another optical fiber from an optical fiber.
Further, the stator 1 and rotor 2 and lens mount 3 are gluing, and the lens mount 3 and lens 6 are gluing, described
Lens mount 3 is welded with fibre-optical splice 4 or gluing, the fibre-optical splice 4 and 7 grafting of sonet standard interface.
When installation, two lens mounts 3 are fixed together with stator 1 and rotor 2 respectively, and 1 end of stator is fixed, rotor 2 with it is fixed
Son 1 is connected by bearing 5, and rotor 2 can drive the lens 6 of one end to be rotated with standard interface 7, rotor 2, stator 1 and axis
The high-precision of 5 guarantees machinery is held, is realized in rotary course, the mechanical axis of rotation is overlapped with the optical axis of light extraction.To really
It protects, light good can reach another optical fiber in rotary course from an optical fiber.
The utility model optical fiber interface is the optical fiber interface of standard, and various type optical fibers can be used, and 8 position of baffle ring is fixed,
Ensure various fiber outlets in 6 focus of lens, plugs simple easily connection；Itself is small without fixed optical fiber on device
Ingeniously, convenient device is installed when in use；Lens 6 have carried out special designing, and effective aperture is big, can very well eliminate aberration, can
Suitable for more kinds of wavelength and polymorphic type optical fiber.
The utility model structure is simpler, and cost is lower, and especially optical fiber is replaceable, have higher reliability with it is longer
Service life.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
It is any to be familiar with those skilled in the art of the present technique within the technical scope disclosed by the utility model in this, the variation that can be readily occurred in
Or replace, it should be covered within the scope of the utility model.
Claims (6)
1. a kind of standard interface formula optical fiber rotary joint, including stator (1) and rotor (2), which is characterized in that the stator (1)
And rotor (2) is connected by bearing (5), and rotated with bearing (5)；One is formed inside the stator (1) and rotor (2) junction
Through-hole, fixed lens mount (3) in the through-hole, fixed lens (6) in the lens mount (3)；
It is fixedly connected with fibre-optical splice (4) outside the lens mount (3), the fibre-optical splice (4) connects sonet standard interface
(7), baffle ring (8), the internal fiber end face of the sonet standard interface (7) and lens (6) are set in the sonet standard interface (7)
Focus overlaps；
Rotor (2) drive lens (6) and sonet standard interface (7) rotate 360 °.
2. a kind of standard interface formula optical fiber rotary joint according to claim 1, which is characterized in that the lens (6) are logical
Sonet standard interface (7) is crossed with optical fiber to be connected.
3. a kind of standard interface formula optical fiber rotary joint according to claim 1, which is characterized in that the sonet standard connects
Mouth (7) is integrated with baffle ring (8).
4. a kind of standard interface formula optical fiber rotary joint according to claim 1, which is characterized in that the lens (6) are
Double gluing mirrors, aspherical mirror, self-focus lens or C lens.
5. a kind of standard interface formula optical fiber rotary joint according to claim 1, which is characterized in that the lens mount (3)
With mechanical tolerance≤2um of lens (6).
6. according to a kind of standard interface formula optical fiber rotary joint of claim 1-5 any one of them, which is characterized in that described fixed
Sub (1) and rotor (2) and lens mount (3) are gluing, and the lens mount (3) and lens (6) are gluing, the lens mount (3) with
Fibre-optical splice (4) is welding or gluing, the fibre-optical splice (4) and sonet standard interface (7) grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721838532.8U CN207742375U (en) | 2017-12-26 | 2017-12-26 | A kind of standard interface formula optical fiber rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721838532.8U CN207742375U (en) | 2017-12-26 | 2017-12-26 | A kind of standard interface formula optical fiber rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207742375U true CN207742375U (en) | 2018-08-17 |
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ID=63119619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721838532.8U Active CN207742375U (en) | 2017-12-26 | 2017-12-26 | A kind of standard interface formula optical fiber rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207742375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045159A (en) * | 2019-12-31 | 2020-04-21 | 深圳市国扬通讯有限公司 | Optical fiber slip ring for optical communication equipment |
-
2017
- 2017-12-26 CN CN201721838532.8U patent/CN207742375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045159A (en) * | 2019-12-31 | 2020-04-21 | 深圳市国扬通讯有限公司 | Optical fiber slip ring for optical communication equipment |
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