CN105910597A - Combined type fiber loop framework for fiber-optic gyroscope - Google Patents
Combined type fiber loop framework for fiber-optic gyroscope Download PDFInfo
- Publication number
- CN105910597A CN105910597A CN201610458249.6A CN201610458249A CN105910597A CN 105910597 A CN105910597 A CN 105910597A CN 201610458249 A CN201610458249 A CN 201610458249A CN 105910597 A CN105910597 A CN 105910597A
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- China
- Prior art keywords
- fiber
- face
- optical fiber
- optical
- ring skeleton
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
- G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
- G01C19/721—Details
- G01C19/722—Details of the mechanical construction
Abstract
The invention provides a combined type fiber loop framework for a fiber-optic gyroscope. The combined type fiber loop framework is provided with an internal fiber loop framework body, an external fiber loop framework body and a mounting plate. The internal fiber loop framework body and the external fiber framework body are both of I-shaped loop structures, and the lower end face of the internal fiber loop framework body is fixed to the mounting plate. An optical fiber winding loop face I and an optical fiber winding loop face II are both provided with optical fibers wound in a quadrupolar symmetry mode, and gluing discs at the two optical fiber outlet ends of the optical fiber on each of the optical fiber winding loop face I and the optical fiber winding loop face II are mounted on the optical fiber winding loop face I and the optical fiber winding loop face. The internal fiber loop framework body is embedded into a center hole of the external fiber loop framework body, and the lower end of the external fiber loop framework body is fixed to the mounting plate. The high-precision fiber loop winding length is distributed to the internal fiber loop framework body and the external fiber loop framework body, the number of winding turns is reduced, the winding difficulty for staff is lowered, and the yield is increased; meanwhile, quadrupolar symmetry optical fiber winding is adopted, so that the influence of the temperature gradient effect on the performance of the fiber-optic gyroscope is effectively reduced, the vibration performance of the fiber-optic gyroscope is improved, the structure is simple, and operation is easy.
Description
Technical field
The invention belongs to fiber-optics gyroscope field, be specifically related to a kind of combination type light for optical fibre gyro
Fine ring skeleton.
Background technology
Optical fibre gyro is a kind of novel inertia device, and it is with the Sagnac effect of light as theoretical basis, and light
Fine ring is to cause two to restraint Sagnac phase contrast between light wave in opposite directions for sensitizing input angular velocity in optical fibre gyro
Parts, the quality of its performance will directly affect the performance of optical fibre gyro, and along with the motion of carrier, light exists
Propagating along two different directions in fiber optic loop, the optical path difference of formation realizes gyro by circuit digital demodulation
Function, it addition, fiber optic loop is as the critical component of optical fibre gyro, its skeleton not only acts as supporting role,
Also directly affecting dish dress and the overall construction design of optical system, therefore, the design of fiber optic loop skeleton is straight
Connect the reliability determining fiber optic gyroscope performance, especially for high-precision optical fiber gyro, usual coiling light
Fine length reaches more than 1km, along with the increase of the coiling number of turn, is ensureing overall alignment, without climbing layer, stress
On the premise of Yi Zhi, bringing the biggest difficulty to coiling personnel, fiber optic loop qualification rate reduces simultaneously, cost
Raise；Secondly because the increase of the coiling number of plies, the radial symmetry gradient effect of fiber optic loop increases, thus shadow
Ring the temperature performance of optical fibre gyro；Finally, the design of fiber optic loop skeleton, optical fibre gyro height may be caused
Increase, cause barycenter to rise, and optical fibre gyro is typically fixed by screws in base, its vibratility is produced
Raw impact, therefore, it is necessary to improve.
Summary of the invention
Present invention solves the technical problem that: a kind of modular fiber optic ring skeleton for optical fibre gyro is provided,
High-precision optical fiber is shared on inner fiber ring skeleton and infrared optical fiber ring skeleton around length processed, the coiling number of turn
Reduce, reduce the coiling difficulty of personnel, improve qualification rate, use quadrupole symmetric fiber coiling simultaneously,
Significantly reduce temperature gradient effect and impact on fiber optic gyroscope performance, improve the vibration of optical fibre gyro
Performance, simple in construction, it is easy to operation.
The technical solution used in the present invention: a kind of modular fiber optic ring skeleton for optical fibre gyro, in having
Fiber optic loop skeleton, infrared optical fiber ring skeleton and installing plate, described inner fiber ring skeleton and infrared optical fiber ring skeleton are equal
Fixing on a mounting board for I-shaped ring structure and inner fiber ring skeleton lower surface, described inner fiber ring skeleton and
The upper surface of infrared optical fiber ring skeleton is respectively fiber reel dress face I and fiber reel dress face II, and inner fiber ring bone
External annulus between frame and infrared optical fiber ring skeleton upper and lower end face is respectively optical fiber coiling anchor ring I and optical fiber coiling
Anchor ring II, described optical fiber coiling anchor ring I and optical fiber coiling anchor ring II are equipped with the light by quadrupole symmetrical coiling
Optical fiber two optical fibre output end fine and thereon is coated with lacquer disk(-sc) and is contained on fiber reel dress face I and on fiber reel dress face II, institute
State in inner fiber ring skeleton is nested in the centre bore of infrared optical fiber ring skeleton and infrared optical fiber ring skeleton lower end to be fixed on
On installing plate, described fiber reel dress face I on one of them optical fibre output end and fiber reel dress face II on wherein
One optical fibre output end welding and be coated with lacquer disk(-sc) in fiber reel dress face I and fiber reel dress face II on, described fiber reel fill
Another optical fibre output end on face I and another optical fibre output end on fiber reel dress face II melt with optics tail optical fiber
Connect and be coated with lacquer disk(-sc) on fiber reel dress face I and on fiber reel dress face II.
Wherein, described fiber reel dress face I and fiber reel dress face II cylindrical are formed respectively with symmetrical going out
Fine helical flute I and fiber helical flute II, the optical fiber optical fibre output end on described fiber reel dress face I is through fiber spiral shell
Being coated with lacquer disk(-sc) after wire casing I and fill on face I in fiber reel, the optical fiber optical fibre output end on described fiber reel dress face II passes
Lacquer disk(-sc) optical fibre output end on fiber reel dress face II, on the right side of described fiber reel dress face I it is coated with after fiber helical flute II
With the optical fibre output end welding on the left of fiber reel dress face II, the optical fibre output end on the left of described fiber reel dress face I and optical fiber
Optical fibre output end on the right side of dish dress face II and optics tail optical fiber welding.
Further, described infrared optical fiber ring skeleton lower surface is shaped with screwed hole, described installing plate is shaped with
The counter sink that screwed hole is corresponding, described inner fiber ring skeleton is nested in the centre bore of infrared optical fiber ring skeleton,
Infrared optical fiber ring skeleton is fixed on a mounting board after screwing through counter sink and screwed hole by crossed pan head screw.
Further, described fiber reel dress face II on be shaped with prevent optical fiber depart from infrared optical fiber ring skeleton along convex
Circle.
Present invention advantage compared with prior art:
1, high-precision optical fiber is shared on inner fiber ring skeleton and infrared optical fiber ring skeleton around length processed, coiling
The number of turn reduces, and reduces the coiling difficulty of personnel, improves the qualification rate of fiber optic loop, and cost reduces；
2, the optical fiber coiling number of plies reduces, and the radial temperature alias of fiber optic loop reduces, and to use quadrupole right simultaneously
Claim optical fiber coiling, significantly reduce temperature gradient effect and impact on fiber optic gyroscope performance；
3, this structure effectively prevent the phenomenon causing barycenter to rise due to the increase of fiber optic loop skeleton height,
Thus improve the vibration performance of optical fibre gyro；
4, simple in construction, it is easy to operation.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is inner fiber ring skeleton of the present invention and installing plate front perspective view；
Fig. 3 is infrared optical fiber ring skeleton Facad structure schematic diagram of the present invention；
Fig. 4 is infrared optical fiber ring skeleton side structure schematic diagram of the present invention；
Fig. 5 is inner fiber ring skeleton of the present invention and installing plate side perspective view.
Detailed description of the invention
1-5 describes a kind of embodiment of the present invention below in conjunction with the accompanying drawings.
A kind of modular fiber optic ring skeleton for optical fibre gyro, has inner fiber ring skeleton 1, infrared optical fiber ring
Skeleton 2 and installing plate 3, described inner fiber ring skeleton 1 and infrared optical fiber ring skeleton 2 be I-shaped ring structure and
Inner fiber ring skeleton 1 lower surface is fixed on installing plate 3, described inner fiber ring skeleton 1 and infrared optical fiber ring
The upper surface of skeleton 2 is respectively fiber reel dress face I 6 and fiber reel dress face II 7, and inner fiber ring skeleton 1
With the external annulus between infrared optical fiber ring skeleton 2 upper and lower end face is respectively optical fiber coiling anchor ring I 4 and optical fiber coiling
Anchor ring II 5, described optical fiber coiling anchor ring I 4 and optical fiber coiling anchor ring II 5 are equipped with by quadrupole symmetrical coiling
Optical fiber 12 and 12 liang of optical fibre output ends of optical fiber thereon be coated with lacquer disk(-sc)s and be contained on fiber reel dress face I 6 and fill with fiber reel
On face II 7, high-precision optical fiber is shared inner fiber ring skeleton 1 and infrared optical fiber ring skeleton 2 around length processed
On, the coiling number of turn reduces, and reduces the coiling difficulty of personnel, improves the qualification rate of fiber optic loop, cost
Reducing, the optical fiber 12 coiling number of plies reduces, and the radial temperature alias of fiber optic loop reduces, and uses four simultaneously
Extremely symmetrical coiling, significantly reduces temperature gradient effect and impact on fiber optic gyroscope performance, described in
In fiber optic loop skeleton 1 is nested in the centre bore of infrared optical fiber ring skeleton 2 and infrared optical fiber ring skeleton 2 lower end is fixed
On installing plate 3, concrete, described infrared optical fiber ring skeleton 2 lower surface is shaped with screwed hole 10, described peace
Being shaped with the counter sink 11 corresponding with screwed hole 10 on dress plate 3, described inner fiber ring skeleton 1 is nested in outer light
In the centre bore of fine ring skeleton 2, after crossed pan head screw 14 screws through counter sink 11 and screwed hole 10
Infrared optical fiber ring skeleton 2 is fixed on installing plate 3, one of them fiber on described fiber reel dress face I 6
End and fiber reel fill one of them the optical fibre output end welding on face II 7 and are coated with lacquer disk(-sc) in fiber reel dress face I 6 and light
On fine dish dress face II 7, another optical fibre output end and fiber reel on described fiber reel dress face I 6 fill on face II 7
Another optical fibre output end and optics tail optical fiber welding and be coated with lacquer disk(-sc) on fiber reel dress face I 6 and fiber reel
On dress face II 7, concrete, described fiber reel dress face I 6 and fiber reel dress face II 7 cylindrical are formed respectively with
Symmetrical fiber helical flute I 8 and fiber helical flute II 9, the optical fiber on described fiber reel dress face I 6
12 optical fibre output ends are coated with lacquer disk(-sc) and fill on face I 6 in fiber reel after passing fiber helical flute I 8, described fiber reel dress face
Optical fiber 12 optical fibre output end on II 7 is coated with lacquer disk(-sc) and fills on face II 7 in fiber reel after passing fiber helical flute II 9, institute
State the optical fibre output end on the right side of fiber reel dress face I 6 and fill the optical fibre output end welding on the left of face II 7, described light with fiber reel
Optical fibre output end on the left of fine dish dress face I 6 and the optical fibre output end on the right side of fiber reel dress face II 7 melt with optics tail optical fiber
Connect, described fiber reel dress face II 7 on be shaped with prevent optical fiber 12 depart from infrared optical fiber ring skeleton 2 along flange collar 13,
This structure effectively prevent the phenomenon causing barycenter to rise due to the increase of fiber optic loop skeleton height, thus
Improve the vibration performance of optical fibre gyro, simple in construction, it is easy to operation.
Above-described embodiment, simply presently preferred embodiments of the present invention, be not used for limiting the scope of the present invention,
Therefore all with content described in the claims in the present invention done equivalence change, all should be included in right of the present invention want
Within the scope of asking.
Claims (4)
1., for the modular fiber optic ring skeleton of optical fibre gyro, there is inner fiber ring skeleton (1), outer
Fiber optic loop skeleton (2) and installing plate (3), it is characterised in that: described inner fiber ring skeleton (1) and outer
Fiber optic loop skeleton (2) is I-shaped ring structure and inner fiber ring skeleton (1) lower surface is fixed on installing plate
(3), on, the upper surface of described inner fiber ring skeleton (1) and infrared optical fiber ring skeleton (2) is respectively optical fiber
Dish dress face I (6) and fiber reel fill face II (7), and inner fiber ring skeleton (1) and infrared optical fiber ring skeleton
(2) external annulus between upper and lower end face is respectively optical fiber coiling anchor ring I (4) and optical fiber coiling anchor ring II
(5), described optical fiber coiling anchor ring I (4) and optical fiber coiling anchor ring II (5) are equipped with by quadrupole symmetry
The optical fiber (12) of coiling and optical fiber thereon (12) two optical fibre output end are coated with lacquer disk(-sc) and are contained in fiber reel dress face I (6)
Upper and fiber reel fills on face II (7), and described inner fiber ring skeleton (1) is nested in infrared optical fiber ring skeleton (2)
Centre bore in and infrared optical fiber ring skeleton (2) lower end be fixed on installing plate (3), described fiber reel fill
One of them optical fibre output end on face I (6) and one of them optical fibre output end on fiber reel dress face II (7) melt
Connect and be coated with lacquer disk(-sc) and fill on face II (7) in fiber reel dress face I (6) and fiber reel, described fiber reel dress face
Another optical fibre output end and fiber reel on I (6) fill another optical fibre output end on face II (7) and optics device
Part tail optical fiber welding is also coated with lacquer disk(-sc) in fiber reel dress face I (6) is upper and fiber reel fills on face II (7).
Modular fiber optic ring skeleton for optical fibre gyro the most according to claim 1, its feature exists
In: it is formed respectively with symmetrically on described fiber reel dress face I (6) and fiber reel dress face II (7) cylindrical
Fiber helical flute I (8) and fiber helical flute II (9), described fiber reel dress face I (6) on light
Fine (12) optical fibre output end is coated with lacquer disk(-sc) afterwards through fiber helical flute I (8) and fills on face I (6) in fiber reel,
Optical fiber (12) optical fibre output end on described fiber reel dress face II (7) is coated with afterwards through fiber helical flute II (9)
Lacquer disk(-sc) is on fiber reel dress face II (7), and described fiber reel fills optical fibre output end and the optical fiber on right side, face I (6)
Dish dress face II (7) left side optical fibre output end welding, described fiber reel dress face I (6) left side optical fibre output end and
The optical fibre output end on right side, fiber reel dress face II (7) and optics tail optical fiber welding.
Modular fiber optic ring skeleton for optical fibre gyro the most according to claim 2, its feature
It is: described infrared optical fiber ring skeleton (2) lower surface is shaped with screwed hole (10), on described installing plate (3)
It is shaped with the counter sink (11) corresponding with screwed hole (10), outside described inner fiber ring skeleton (1) is nested in
In the centre bore of fiber optic loop skeleton (2), crossed pan head screw (14) passes counter sink (11) and screw thread
Infrared optical fiber ring skeleton (2) is fixed on installing plate (3) after screwing by hole (10).
4. according to the modular fiber optic ring skeleton for optical fibre gyro described in claim 1 or 2 or 3,
It is characterized in that: be shaped with on described fiber reel dress face II (7) and prevent optical fiber (12) from departing from infrared optical fiber ring bone
Frame (2) along flange collar (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458249.6A CN105910597A (en) | 2016-06-22 | 2016-06-22 | Combined type fiber loop framework for fiber-optic gyroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458249.6A CN105910597A (en) | 2016-06-22 | 2016-06-22 | Combined type fiber loop framework for fiber-optic gyroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105910597A true CN105910597A (en) | 2016-08-31 |
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ID=56759109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610458249.6A Pending CN105910597A (en) | 2016-06-22 | 2016-06-22 | Combined type fiber loop framework for fiber-optic gyroscope |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928502A (en) * | 2016-06-22 | 2016-09-07 | 陕西宝成航空仪表有限责任公司 | Combined type optical fiber ring skeleton for optical fiber gyroscope |
| CN106643687A (en) * | 2016-12-30 | 2017-05-10 | 陕西宝成航空仪表有限责任公司 | Elliptical fiber ring skeleton for fiber gyroscope |
| CN116026302A (en) * | 2023-03-27 | 2023-04-28 | 中国船舶集团有限公司第七〇七研究所 | Tail fiber processing method of optical fiber ring assembly of optical fiber gyro |
| CN116182825A (en) * | 2023-04-26 | 2023-05-30 | 南京开拓光电科技有限公司 | Optical fiber ring for optical fiber gyroscope, processing device and processing method |
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| CN105928502A (en) * | 2016-06-22 | 2016-09-07 | 陕西宝成航空仪表有限责任公司 | Combined type optical fiber ring skeleton for optical fiber gyroscope |
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2016
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928502A (en) * | 2016-06-22 | 2016-09-07 | 陕西宝成航空仪表有限责任公司 | Combined type optical fiber ring skeleton for optical fiber gyroscope |
| CN106643687A (en) * | 2016-12-30 | 2017-05-10 | 陕西宝成航空仪表有限责任公司 | Elliptical fiber ring skeleton for fiber gyroscope |
| CN116026302A (en) * | 2023-03-27 | 2023-04-28 | 中国船舶集团有限公司第七〇七研究所 | Tail fiber processing method of optical fiber ring assembly of optical fiber gyro |
| CN116182825A (en) * | 2023-04-26 | 2023-05-30 | 南京开拓光电科技有限公司 | Optical fiber ring for optical fiber gyroscope, processing device and processing method |
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Application publication date: 20160831 |