CN202735552U - Photoelectric compound integrated rotary connector - Google Patents
Photoelectric compound integrated rotary connector Download PDFInfo
- Publication number
- CN202735552U CN202735552U CN 201220397213 CN201220397213U CN202735552U CN 202735552 U CN202735552 U CN 202735552U CN 201220397213 CN201220397213 CN 201220397213 CN 201220397213 U CN201220397213 U CN 201220397213U CN 202735552 U CN202735552 U CN 202735552U
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- China
- Prior art keywords
- optical fiber
- rotary connector
- collimator
- collimating apparatus
- optical
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- 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.)
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Abstract
The utility model provides a photoelectric compound integrated rotary connector which comprises an electrical rotary connector, an optical fiber coupling end and an optical fiber outlet end. The optical fiber coupling end and the optical fiber outlet end are arranged in the electrical rotary connector and share one set of rotary system with the electrical rotary connector. An inner ring and an outer ring which rotate relatively are arranged on the electrical rotary connector, and the inner ring and the outer ring are coaxially arranged and provided with central through holes. The optical coupling end comprises a collimator protection cover II and an optical collimator. The optical outlet end comprises a collimator protection cover I and an optical collimator. An end face of the inner ring is fixedly connected with the collimator protection cover II through a screw, an end face of the outer ring is fixedly connected with the collimator protection cover I through a screw, the optical collimators are respectively inserted into the collimator protection cover II and the collimator protection cover I, and the optical collimators and the central through holes are coaxially arranged. The connector can be manufactured directly on the electrical rotary connector, shares one set of rotary system photoelectrically, reduces the via hole diameter of the electrical rotary connector, and greatly reduces the size of the whole product.
Description
Technical field
The utility model relates to a kind of fiber rotation connector, particularly a kind of photoelectricity composite integrated rotary connector.
Background technology
All there is the rotational structure between the parts in a lot of application systems, and to need continuous communication, the way that solved in the past this continuous rotation communication between the rotational structure be to adopt electric slip ring.Along with developing rapidly of optical fiber communication technology, a lot of rotational structures have needed directly to carry out optical communication, so the swivel adapter head of electro-optical composite is subject to showing great attention to of scientists and engineers just day by day, people are more and more urgent and general to the demand of photoelectricity composite rotating joint.
The main application platform of photoelectricity composite integrated rotary connector has: transmission and the control of the high-speed video of radar antenna system, oil drilling, submarine communication, Vehicular system, helicopter, nautical receiving set, medical CT, robot, wind turbine, video monitoring system, turntable (speed platform), numeral, simulating signal.
The electro-optical composite swivel adapter head only uses electric channel to carry out low frequency signal and power transmission, and uses optical fiber as high-frequency microwave signal and high speed data signal transmission medium.Photoelectric composite-rotation connector of the prior art is all adopting photoelectricity independently to assemble aspect the photoelectricity cooperation, fiber rotation connector is nested in the electric rotary connector center by the switching part, patent documentation (the patent No.: 02148863.0) disclosed a kind of photoelectronic mixed fiber rotating connector for example, this photoelectric composite-rotation connector requires the electric rotary connector via diameter greater than the fiber rotation connector external diameter, thereby has restricted radial dimension.
The utility model content
The purpose of this utility model provides a kind of photoelectricity composite integrated rotary connector, it is directly made at electric rotary connector, photoelectricity shares a cover rotary system, the electric rotary connector via diameter is reduced, thereby reduced greatly the size of whole product.
The technical solution of the utility model: photoelectricity composite integrated rotary connector, comprise electric rotary connector, coupling fiber end and optical fiber exit end three parts, coupling fiber end and optical fiber exit end are arranged on electric rotary connector inside and share a cover rotary system with electric rotary connector.
Be provided with counterrotating interior ring and outer shroud on the electric rotary connector, interior ring and outer shroud are coaxial and be provided with a central through hole; The coupling fiber end comprises collimating apparatus sheath II and optical fiber collimator, the optical fiber exit end comprises collimating apparatus sheath I and optical fiber collimator, the end face of interior ring is fixedly connected with the collimating apparatus sheath II of coupling fiber end by screw, the end face of outer shroud is fixedly connected with the collimating apparatus sheath I of optical fiber exit end by screw, optical fiber collimator injects respectively collimating apparatus sheath II and collimating apparatus sheath I, optical fiber collimator is coaxial with central through hole, is full of air dielectric in the central through hole.
Evenly smear one deck epoxide-resin glue on the metal tube outer wall of described optical fiber collimator.
The beneficial effects of the utility model: because the structure that adopts coupling fiber end and optical fiber exit end to be arranged on electric rotary connector inside and to overlap rotary system with electric rotary connector shared, so that the electric rotary connector via diameter can be decreased to below the 1mm, therefore can greatly reduce the product overall dimensions; Because the coupling fiber end adopts the plug in construction of collimating apparatus sheath II and optical fiber collimator, the optical fiber exit end adopts the plug in construction of collimating apparatus sheath I and optical fiber collimator, and collimating apparatus sheath I and collimating apparatus sheath II are separately fixed on the interior ring and outer shroud of electric rotary connector, so that the utility model one-piece construction is simple, therefore reduced production cost, realized easily producing in enormous quantities; Owing to evenly smear one deck epoxide-resin glue on the metal tube outer wall of optical fiber collimator, be convenient to optical fiber collimator and put into the collimating apparatus sheath, thereby be convenient to adjust the position of optical fiber collimator, and then reduce the docking loss of optical fiber collimator.
Description of drawings
Fig. 1 is the structural representation of electric rotary connector.
Fig. 2 is the part-structure synoptic diagram that coupling fiber end and optical fiber exit end are connected with electric rotary connector in the utility model.
Ring in the 1-; The 2-outer shroud; 3-collimating apparatus sheath I; 4-collimating apparatus sheath II; The 5-optical fiber collimator; The 6-wire; The 7-bearing; 8-wiring board and spun gold; The 9-conducting slip ring; 10-brush and stage clip; 11-shielding insulation cover; The 12-dead ring.
Embodiment
As depicted in figs. 1 and 2, photoelectricity composite integrated rotary connector, comprise electric rotary connector, coupling fiber end and optical fiber exit end three parts, coupling fiber end and optical fiber exit end are arranged on electric rotary connector inside and share a cover rotary system with electric rotary connector.
The electric rotary connector shell is shielding insulation cover 11 and the accessory brush of installing in the above and stage clip 10 and wire 6 formation outer shrouds 2, and outer shroud 2 is to cooperate with the outer ring of bearing 7.Axle is that accessory conducting slip ring 9 and the wire 6 of installing on dead ring 12 and the dead ring 12 consists of interior ring 1 in the electric rotary connector, and interior ring 1 is to cooperate with the inner ring of bearing 7.Interior ring 1 is connected with outer shroud by bearing 7 connections, can relatively rotate.
Counterrotating interior ring 1 and outer shroud 2 are coaxial and be provided with a central through hole on the electric rotary connector; The coupling fiber end comprises collimating apparatus sheath II 4 and optical fiber collimator 5, the optical fiber exit end comprises collimating apparatus sheath I 3 and optical fiber collimator 5, the end face of interior ring 1 is fixedly connected with the collimating apparatus sheath II 4 of coupling fiber end by screw, the end face of outer shroud 2 is fixedly connected with the collimating apparatus sheath I 3 of optical fiber exit end by screw, optical fiber collimator 5 injects respectively collimating apparatus sheath II 4 and collimating apparatus sheath I 3, optical fiber collimator 5 is coaxial with central through hole, is full of air dielectric in the central through hole.
Evenly smear one deck epoxide-resin glue on the metal tube outer wall of described optical fiber collimator 5.
Do the conducting slip ring 9 of mutual isolation in the electric rotary connector on the ring 1, single conducting slip ring 9 is drawn by wire becomes the ring buttock line, every corresponding conducting slip ring 9 of ring buttock line.Do separate brush and stage clip 10 on the outer shroud 2, the electric rotary connector brush that assembles rides on the conducting slip ring 9 and is corresponding one by one.Single brush is drawn by wire becomes the brush buttock line, every corresponding brush of brush buttock line.Corresponding ring buttock line, conducting slip ring 9, brush, brush buttock line form an independently electric channel.
The end face of ring 1 is fixedly connected with the collimating apparatus sheath II 4 of coupling fiber end by screw in the electric rotary connector, form stator terminal, an end of namely fixing, the end face of outer shroud 2 is fixedly connected with the collimating apparatus sheath I 3 of optical fiber exit end by screw, form rotor-end, i.e. an end of rotation.When installing and using, reserve two threaded holes on the collimating apparatus sheath I 3 and be used for the stator terminal installation, done two notches on the collimating apparatus sheath II 4, be used for using the end motion of shift fork mode rotor driven.
A kind of optical component of optical fiber collimator is integrated tail optical fiber, optical fiber head, lens, effect is the optical fiber emergent light to be collimated expand, the parallel beam diameter after expanding is greater than fibre diameter.The light path course of work of the present utility model is, the optical fiber exit end adopts an optical fiber collimator with the emergent light collimator and extender, the coupling fiber end is coupled into reception optical fiber with another same optical fiber collimator with light more again, the advantage of this method is: under same optical fiber diameter run-out or dislocation, the luminous energy of loss lacks than direct coupling system, have certain antijamming capability, end play is also very little on the impact of coupling efficiency.The mutual coupling efficiency of GRIN Lens (optical fiber collimator) is high at present; be not more than 0.25dB through the mutual coupling loss representative value of check; and be fit to various operating distances (1～100mm); the direct optical fiber of product (single mode or multimode) output has reduced the variety of issue that optical fiber and lens coupling bring.It is large that this collimating apparatus expands face, effectively solves the loss rotation that causes because of diameter run-out and dislocation and change in rotary work.
Two optical fiber collimators are fixed on the turning axle, and the optical fiber collimator of rotor-end encircles 1 and realizes rotating freely by two bearings in conducting slip ring, and the optical fiber collimator of stator terminal is relatively fixing.As long as can debug and allow two optical fiber collimators and turning axle concentric co-axial, the coupling efficiency in system's rotary work between two optical fiber collimators just can not change, and does not namely have rotating deviation.
Method for making of the present utility model:
1) collimating apparatus sheath II 4 and collimating apparatus sheath I 3 are installed in respectively ring 1 and outer shroud 2 in the electric rotary connector.
2) on optical fiber collimator 5 metal tube foreign currencies, evenly smear one deck epoxide-resin glue, then it is filled in respectively in collimating apparatus sheath II 4 and the collimating apparatus sheath I 3.
3) optical fiber collimator 5 tail optical fiber ends are accessed respectively light source and light power meter by the wire jumper head, detect collimating apparatus docking loss.
4) relative position of adjustment optical fiber collimator 5 makes the docking loss be reduced to minimum;
5) do upper wire jumper head to tail optical fiber after the epoxy resin adhesive curing is finished.
Claims (3)
1. photoelectricity composite integrated rotary connector, it is characterized in that: comprise electric rotary connector, coupling fiber end and optical fiber exit end three parts, coupling fiber end and optical fiber exit end are arranged on electric rotary connector inside and share a cover rotary system with electric rotary connector.
2. photoelectricity composite integrated rotary connector as claimed in claim 1 is characterized in that: be provided with counterrotating interior ring (1) and outer shroud (2) on the electric rotary connector, interior ring (1) and outer shroud (2) are coaxial and be provided with a central through hole; The coupling fiber end comprises collimating apparatus sheath II (4) and optical fiber collimator (5), the optical fiber exit end comprises collimating apparatus sheath I (3) and optical fiber collimator (5), the end face of interior ring (1) is fixedly connected with the collimating apparatus sheath II (4) of coupling fiber end by screw, the end face of outer shroud (2) is fixedly connected with the collimating apparatus sheath I (3) of optical fiber exit end by screw, optical fiber collimator (5) injects respectively collimating apparatus sheath II (4) and collimating apparatus sheath I (3), optical fiber collimator (5) is coaxial with central through hole, is full of air dielectric in the central through hole.
3. photoelectricity composite integrated rotary connector as claimed in claim 2 is characterized in that: evenly smear one deck epoxide-resin glue on the metal tube outer wall of described optical fiber collimator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397213 CN202735552U (en) | 2012-08-11 | 2012-08-11 | Photoelectric compound integrated rotary connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397213 CN202735552U (en) | 2012-08-11 | 2012-08-11 | Photoelectric compound integrated rotary connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735552U true CN202735552U (en) | 2013-02-13 |
Family
ID=47661237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220397213 Expired - Lifetime CN202735552U (en) | 2012-08-11 | 2012-08-11 | Photoelectric compound integrated rotary connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735552U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214026A1 (en) * | 2017-05-23 | 2018-11-29 | 深圳富视安智能科技有限公司 | Monitoring apparatus |
| CN113721328A (en) * | 2021-08-02 | 2021-11-30 | 宁波金钇通信科技有限公司 | Long-distance high-speed AOC optical module |
-
2012
- 2012-08-11 CN CN 201220397213 patent/CN202735552U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214026A1 (en) * | 2017-05-23 | 2018-11-29 | 深圳富视安智能科技有限公司 | Monitoring apparatus |
| CN113721328A (en) * | 2021-08-02 | 2021-11-30 | 宁波金钇通信科技有限公司 | Long-distance high-speed AOC optical module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
|
| CX01 | Expiry of patent term |