CN103558674A - Automated device for eliminating torque of polarization maintaining optical fiber - Google Patents
Automated device for eliminating torque of polarization maintaining optical fiber Download PDFInfo
- Publication number
- CN103558674A CN103558674A CN201310516136.3A CN201310516136A CN103558674A CN 103558674 A CN103558674 A CN 103558674A CN 201310516136 A CN201310516136 A CN 201310516136A CN 103558674 A CN103558674 A CN 103558674A
- Authority
- CN
- China
- Prior art keywords
- fine
- optical fiber
- polarization maintaining
- moment
- maintaining optical
- 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.)
- Pending
Links
Images
Abstract
The invention belongs to automated devices, and particularly relates to an automated device for eliminating the torque of a polarization maintaining optical fiber. The automated device for eliminating the torque of the polarization maintaining optical fiber comprises a lifting system. An optical fiber guiding system is arranged in the middle of the lifting system, a torque measuring and eliminating system and an optical fiber discharging system are arranged at the lower end of the lifting system, an optical fiber collecting system is arranged on the optical fiber discharging system, and the automated device further comprises an electrical apparatus control system. The automated device for eliminating the torque of the polarization maintaining optical fiber has the advantages that residual torque in the polarization maintaining optical fiber can be reduced effectively, the magnetic sensitivity of an optical fiber loop is directly lowered, and the magnetic field difficult problem of fiber optic gyroscopes is solved.
Description
Technical field
The invention belongs to a kind of automation equipment, be specifically related to a kind of automation equipment that can eliminate polarization maintaining optical fibre moment of torsion.
Background technology
Optical fibre gyro is a kind of optical gyroscope, be subject to Magnet-Optic Faraday Effect impact, this impact directly acts on the core component of optical fibre gyro---optical fiber loop, when the two-beam of transmission is subject to magnetic interference in opposite direction therein, because polarization maintaining optical fibre exists moment of torsion, can produce phase differential, cause the raw acute variation of optical fibre gyro zero oblique presentation, finally affect the dynamic service precision of optical fibre gyro.
Although adopt the method for magnetic shielding, can reduce the impact of optical fibre gyro working environment magnetic field on optical fiber loop, due to optical fibre gyro assembling and installation requirements, the design of optical fibre gyro magnetic shielding cover cannot arrive the best, has following several point defects:
1), due to space constraint, the diameter of magnetic shielding cover and aspect ratio, much larger than 1:4, cannot avoid " termination effect " and the magnetic line of force to penetrate shield scope;
2) due to space constraint, can not adopt double-deck magnetic shielding scheme (research shows, double layer screen requires at least will keep between two-layer shielding half inch of above distance), cannot reach best shield effectiveness;
3) due to optical fibre gyro assembling and installation requirements, inevitably will perforate on magnetic shield, must cause magnetic scattering, reduce Magnetic Shielding Effectiveness;
Above-mentioned defect, finally causes optical fibre gyro magnetic shielding usefulness significantly to reduce, and relies on merely method for shielding, cannot reduce magnet sensitivity of fiber optic gyro, improves the dynamic service precision of optical fibre gyro.
Therefore, need to develop a kind of automation equipment that can eliminate polarization maintaining optical fibre moment of torsion, reduce the magnetic susceptibility of optical fiber loop, coordinate magnetic shielding technology, to guarantee the dynamic service precision of optical fibre gyro under working environment.
Summary of the invention
The object of this invention is to provide a kind of automation equipment that can eliminate polarization maintaining optical fibre moment of torsion, by eliminating polarization maintaining optical fibre moment of torsion, reduce optical fiber loop magnetic susceptibility, make up the deficiency of method for shielding, improve the magnetic signature of optical fiber loop, to guarantee the dynamic service precision of optical fibre gyro under working environment.
The present invention realizes like this, a kind of automation equipment of eliminating polarization maintaining optical fibre moment of torsion, it comprises jacking system, the centre of jacking system is provided with the fine system of leading, the lower end of jacking system is provided with torque measurement and elimination system and puts fine system, put in fine system and be provided with and receive fine system, also comprise electrical apparatus control system.
Jacking system comprises upper bracket and lower carriage, and driving motor is installed on upper bracket, between upper bracket and lower carriage, drive rail is installed.
Torque measurement and elimination system comprise moment sensor and electric rotating machine.
Put fine system and comprise Fang Xianyaxian mechanism, in Fang Xianyaxian mechanism, be provided with and put fine motor.
Lead fine system and comprise guide pole, steering wheel is installed on guide pole, shift fork is installed on steering wheel.
Receive fine system and comprise translation assembly, Shou Xianyaxian mechanism is installed on translation assembly and receives fine motor.
Electrical apparatus control system comprises switch board and control system.
Advantage of the present invention is that it can effectively reduce moment of torsion remaining in polarization maintaining optical fibre, has directly reduced the magnetic susceptibility of optical fiber loop, has solved a magnetic field difficult problem for optical fibre gyro.
Accompanying drawing explanation
Fig. 1 is a kind of automation equipment schematic diagram of eliminating polarization maintaining optical fibre moment of torsion provided by the present invention;
Fig. 2 jacking system schematic diagram;
Fig. 3 is put fine system schematic;
Fig. 4 leads fine system schematic;
Fig. 5 torque measurement and elimination system schematic;
Fig. 6 receives fine system schematic.
In figure, 1 jacking system, 2 torque measurements and elimination system, 3 are put fine system, 4 and are led fine system, 5 and receive fine system, 6 driving motors, 7 upper brackets, 8 drive rail, 9 lower carriages, 10 electric rotating machine ,11 Fang Xianyaxian mechanisms, 12 shift forks, 13 steering wheels, 14 guide poles, 15 translation assembly ,16 Shou Xianyaxian mechanisms, 17 and receive fine motor, 18 electrical apparatus control systems, 19 switch boards, 20 control system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
It comprises following six parts a kind of automation equipment of eliminating polarization maintaining optical fibre moment of torsion: jacking system 1, the centre of jacking system 1 is provided with the fine system 4 of leading, the lower end of jacking system 1 is provided with torque measurement and elimination system 2 and puts fine system 3, put in fine system 3 and be provided with and receive fine system 5, also comprise electrical apparatus control system 18.
Wherein, jacking system 1 comprises upper bracket 7 and lower carriage 9, and driving motor 6 is installed on upper bracket 7, between upper bracket 7 and lower carriage 9, drive rail 8 is installed, this system can realize separately automatically to be received fine system and puts the lifting action of fine components of system as directed, and adjustable height scope is 1.5m～3.3m.
Torque measurement and elimination system 2 comprise moment sensor and electric rotating machine 10, and this system can realize identification and the elimination of optical fiber moment of torsion, and the residual torque after eliminating in optical fiber is not more than 15 °/h;
Put fine system 3 and comprise Fang Xianyaxian mechanism 11, in Fang Xianyaxian mechanism 11, be provided with and put fine motor, this system can discharge with moment of torsion polarization maintaining optical fibre with manual two kinds of modes automatically, and prevents optical fiber generation lateral slip, and wherein single discharges fiber lengths scope: 0～6m.
Lead fine system 4 and comprise guide pole 14, steering wheel 13 is installed on guide pole 14, shift fork 12 is installed on steering wheel 13, this system can guarantee to put fine carrying out smoothly, the material of wherein making shift fork can not produce static with optical fiber friction, and shift fork cannot time damage optical fiber in motion, so shift fork must be made right cylinder.
Receive fine system 5 and comprise translation assembly 15, Shou Xianyaxian mechanism 16 is installed on translation assembly 15 and receives fine motor 17, wherein tension control system is adjustable continuously within the scope of 1g～30g, receives fine system and can realize accurately arranging of to the diameter optical fiber within the scope of 150 μ m～300 μ m.
Electrical apparatus control system 18 comprises switch board 19 and control system 20, and this system can realize the control to above-mentioned subsystem, realizes the elimination to polarization maintaining optical fibre moment of torsion.The present invention, by eliminating the residual torque in polarization maintaining optical fibre, has directly reduced the magnetic susceptibility of optical fiber loop, thereby has solved a magnetic field difficult problem for optical fibre gyro, has improved the service precision of optical fibre gyro in great dynamic range.
A kind of automation equipment that can eliminate polarization maintaining optical fibre moment of torsion mainly comprises following six parts: jacking system, put fine system, lead fine system, torque measurement and elimination system, receive fine system and electrical apparatus control system.In conjunction with Fig. 1～Fig. 6, the using method of this device is elaborated:
The first step is installed the large coiled optical fiber of not back twist and is received fine one of the blank panel of using on the upper bracket of jacking system, optical fiber is drawn simultaneously, and it is naturally drooped, and startup system rises large coiled optical fiber and receives fibre and coils to setting height, and this altitude range is: 1.5m～3.3m;
Second step, causes optical fiber free end to receive fine dish by mechanism, completes the preliminary work before optical fiber back twist;
The 3rd step, putting fine system starts, start to discharge optical fiber, lead fine system starts simultaneously, assurance is put fine process and is completed smoothly, wherein put fibre and be divided into automatic operation and manual operation, automatic operation need first be set and put fine length, length range is 0～6m, after optical fiber is discharged into preseting length, lead fine system and return to initial position, putting the fine mechanism of fine side pressure starts, pressed fiber, prevent that the moment of torsion in optical fiber from moving, and manual operation is controlled by operator, after optical fiber is discharged into certain length, after completing, operation is led fine system and is returned to initial position, putting the fine mechanism of fine side pressure starts, pressed fiber, prevent that the moment of torsion in optical fiber from moving,
The 4th step, torque measurement is carried out automatically, by the moment of torsion existing in moment sensor measuring optical fiber, FEEDBACK CONTROL end, control end starts electric rotating machine, eliminates the moment of torsion in optical fiber, until residual torque enters in error allowed band (that is, residual torque is not more than 15 °/m), complete back twist;
The 5th step, first end starts tension control system ,Ya Xian mechanism and receives fine system, prepare to receive fine, wherein tension control system is adjustable continuously within the scope of 1g～30g, receive fine system and can realize accurately arranging of to the diameter optical fiber within the scope of 150 μ m～300 μ m, start to receive and receives after fine motor and horizontal stepper motor fine and row is fine works.
The 6th step, repeats the 3rd to the 5th step, until complete the moment of torsion elimination work of whole coiled optical fiber.
Claims (7)
1. an automation equipment of eliminating polarization maintaining optical fibre moment of torsion, it is characterized in that: it comprises jacking system (1), the centre of jacking system (1) is provided with the fine system (4) of leading, the lower end of jacking system (1) is provided with torque measurement and elimination system (2) and puts fine system (3), put in fine system (3) and be provided with and receive fine system (5), also comprise electrical apparatus control system (18).
2. a kind of automation equipment of eliminating polarization maintaining optical fibre moment of torsion as claimed in claim 1, it is characterized in that: jacking system (1) comprises upper bracket (7) and lower carriage (9), driving motor (6) is installed on upper bracket (7), between upper bracket (7) and lower carriage (9), drive rail (8) is installed.
3. a kind of automation equipment of eliminating polarization maintaining optical fibre moment of torsion as claimed in claim 1, is characterized in that: torque measurement and elimination system (2) comprise moment sensor and electric rotating machine (10).
4. a kind of automation equipment of eliminating polarization maintaining optical fibre moment of torsion as claimed in claim 1, is characterized in that: put fine system (3) and comprise Fang Xianyaxian mechanism (11), in Fang Xianyaxian mechanism (11), be provided with and put fine motor.
5. a kind of automation equipment of eliminating polarization maintaining optical fibre moment of torsion as claimed in claim 1, is characterized in that: lead fine system (4) and comprise guide pole (14), steering wheel (13) is installed on guide pole (14), shift fork (12) is installed on steering wheel (13).
6. a kind of automation equipment of eliminating polarization maintaining optical fibre moment of torsion as claimed in claim 1, is characterized in that: receive fine system (5) and comprise translation assembly (15), Shou Xianyaxian mechanism (16) is installed on translation assembly (15) and receives fine motor (17).
7. a kind of automation equipment of eliminating polarization maintaining optical fibre moment of torsion as claimed in claim 1, is characterized in that: electrical apparatus control system (18) comprises switch board (19) and control system (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310516136.3A CN103558674A (en) | 2013-10-28 | 2013-10-28 | Automated device for eliminating torque of polarization maintaining optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310516136.3A CN103558674A (en) | 2013-10-28 | 2013-10-28 | Automated device for eliminating torque of polarization maintaining optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103558674A true CN103558674A (en) | 2014-02-05 |
Family
ID=50012974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310516136.3A Pending CN103558674A (en) | 2013-10-28 | 2013-10-28 | Automated device for eliminating torque of polarization maintaining optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103558674A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701737A (en) * | 2021-08-11 | 2021-11-26 | 江苏法尔胜光电科技有限公司 | Winding device and method of low-twist polarization-maintaining optical fiber ring |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1416251A1 (en) * | 2002-11-01 | 2004-05-06 | Japan Aviation Electronics Industry, Limited | Fiber optic gyroscope |
| CN1851404A (en) * | 2006-06-06 | 2006-10-25 | 北京航空航天大学 | Optical-fiber torsion recovering mechanism of wound optical fiber |
| CN102267800A (en) * | 2010-06-07 | 2011-12-07 | 苏州光环科技有限公司 | Optical fiber twisting recovering method and device |
-
2013
- 2013-10-28 CN CN201310516136.3A patent/CN103558674A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1416251A1 (en) * | 2002-11-01 | 2004-05-06 | Japan Aviation Electronics Industry, Limited | Fiber optic gyroscope |
| CN1851404A (en) * | 2006-06-06 | 2006-10-25 | 北京航空航天大学 | Optical-fiber torsion recovering mechanism of wound optical fiber |
| CN102267800A (en) * | 2010-06-07 | 2011-12-07 | 苏州光环科技有限公司 | Optical fiber twisting recovering method and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701737A (en) * | 2021-08-11 | 2021-11-26 | 江苏法尔胜光电科技有限公司 | Winding device and method of low-twist polarization-maintaining optical fiber ring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106081724A (en) | A kind of optical cable automatic winding displacement apparatus | |
| CN204758640U (en) | FCT multistation testing arrangement | |
| CN103728558A (en) | Hub motor on-load EMC performance test system | |
| CN102901477A (en) | Shaft outer diameter and length detector | |
| CN103558674A (en) | Automated device for eliminating torque of polarization maintaining optical fiber | |
| CN206818522U (en) | For detecting the testing machine of casing machinery static behavior | |
| CN104316976B (en) | A kind of limit detection device | |
| CN102762480A (en) | Space-saving elevator | |
| CN203551901U (en) | Turnover device for PWB binding | |
| CN205426953U (en) | Engine gas detection capability test platform | |
| CN102590847B (en) | Special gamma scanning measuring system for hot chamber and installation method thereof | |
| CN203705744U (en) | Liquid crystal display detecting device | |
| CN203177948U (en) | Gram-group weight automatic measurement system | |
| CN105502058A (en) | Carrier tape hole verification alarm device and usage thereof | |
| CN205449448U (en) | Bore hole 3D display device's testing arrangement | |
| CN205204534U (en) | Intelligence lift | |
| CN103115962A (en) | System and method for detecting flaw of railway vehicle wheels by movable railway section | |
| CN217417714U (en) | High-voltage cable drum | |
| CN202900280U (en) | Tunneling machine multi-parameter detection system | |
| CN207439629U (en) | Laboratory micro computer hardware fault testing apparatus | |
| CN206773011U (en) | A kind of onboard instruments disk automatic testing equipment | |
| CN108594060A (en) | A kind of shuttle car cable bend testing machine and test method | |
| CN220011554U (en) | Winding device for detecting burning chip | |
| CN205120623U (en) | Wire rope that X -ray production apparatus detected usefulness receive and releases drive arrangement | |
| CN204430741U (en) | The urgent testing agency of screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140205 |