CN103033179A - Fiber-optic gyroscope sensitive ring skeleton with inner flange - Google Patents
Fiber-optic gyroscope sensitive ring skeleton with inner flange Download PDFInfo
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- CN103033179A CN103033179A CN201210568743XA CN201210568743A CN103033179A CN 103033179 A CN103033179 A CN 103033179A CN 201210568743X A CN201210568743X A CN 201210568743XA CN 201210568743 A CN201210568743 A CN 201210568743A CN 103033179 A CN103033179 A CN 103033179A
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Abstract
The invention discloses a fiber-optic gyroscope sensitive ring skeleton with an inner flange. The cross section of the fiber-optic gyroscope sensitive ring skeleton adopts a T-shaped annular structure. The fiber-optic gyroscope sensitive ring skeleton comprises a cylindrical surface for winding of an optical fiber coil, the inner flange which is inwards extended from the cylindrical surface and used for providing mounting standard, and an upper check ring and a lower check ring which are located on the upper surface and the lower surface of the inner flange and used for locating and fixing a sensitive ring component shell. The cylindrical surface adopts an annular structure, the roughness of which on the surface is processed according to the predetermined requirements; the inner flange is located at 1/2 height of the cylindrical surface and processed with a mounting structure for fixing the ring skeleton; the upper check ring and the lower check ring are concentric with the cylindrical surface; and the upper check ring is processed with a fiber-passing notch through which the tail fiber of the optic fiber coil can pass. The fiber-optic gyroscope sensitive ring skeleton can be assembled into the fiber-optic gyroscope sensitive ring component to reduce the influence of the external temperature fluctuation on the fiber coil, improve the temperature adaptability of the sensitive ring, and implement the independent package of the sensitive ring and complete magnetic shielding to the optical fiber coil.
Description
Technical field
The present invention relates to a kind of optical fibre gyro sensing ring skeleton with inner flange, be used for the winding optical fiber coil, can effectively reduce outside direct heat conducting passage, also can realize individual packages and the magnetic shielding of fiber optic coils are protected.Belong to the inertial navigation technology field.
Background technology
Optical fibre gyro is based on Sagnac effect, for detection of angular displacement and angular velocity signal, sensing ring coil by the optical fiber coiling is its crucial sensitive element, carrier as the winding optical fiber coil, the structural design of optical fibre gyro sensing ring skeleton should take into full account the heat transfer characteristic optimization of whole sensing ring assembly and magnetic shielding protection, to satisfy high accuracy gyroscope to the strict demand of temperature, electromagnetic environment impact.
Summary of the invention
1, purpose: the purpose of this invention is to provide a kind of optical fibre gyro sensing ring skeleton with inner flange, be used for the winding optical fiber coil, when being assembled into optical fibre gyro sensing ring module, have minimum direct heat conduction pathway, and can realize individual packages and magnetic shielding protection to fiber optic coils.
2, technical scheme: a kind of optical fibre gyro sensing ring skeleton with inner flange of the present invention, that a kind of xsect is the torus shape structure of " T " font, comprised the face of cylinder that is used for the winding optical fiber coil, extend internally from the face of cylinder, be used for providing the inner flange of reference for installation, and be positioned at the upper and lower surface of inner flange, be used for location and the fixing upper and lower back-up ring of sensing ring package shell.
The described face of cylinder is cirque structure, and its outer circumference surface roughness is processed according to pre-provisioning request, the adhesion during with the coiling of raising fiber optic coils;
Described inner flange is positioned at 1/2nd At The Heights on the face of cylinder and inside horizontal-extending, becomes flat circular, its thickness satisfy under the prerequisite of rigidity thin as much as possible; Further, be processed with for the fixing mounting structure of ring skeleton of the present invention near the inside line in the center of circle at inner flange, normally mounting hole and installation base etc., and become the even circumferential distribution;
Described upper and lower back-up ring is positioned at the upper and lower surface of inner flange, circularizes convex, and section is rectangle, near the inboard concentric relation that also keeps with it on the described face of cylinder; Be processed with for the fine notch of the mistake that can allow the fiber optic coils tail optical fiber pass through at upper back-up ring.When ring skeleton of the present invention is used for the assembling of optical fibre gyro sensing ring assembly, the described face of cylinder is used for coiling and fixed fiber coil, described upper and lower back-up ring is used for location and the fixing shell of sensing ring assembly, the benchmark that described inner flange mounting structure provides the sensing ring assembly to install; The size of upper and lower back-up ring is through design, guaranteed to have the basically identical clearance of spacing between fixing rear with the inner fiber optic coils of package shell and the ring skeleton face of cylinder and directly do not contacted, thereby outside heat only be the limited inner flange of thickness to the direct heat conduction pathway of fiber optic coils, effectively reduces the impact that external temperature fluctuates; Fixed-type by welding or bonding way between upper and lower back-up ring and the sensing ring package shell, the tail optical fiber of fiber optic coils can be coiling to the inner flange upper surface along the inboard on the ring skeleton of the present invention face of cylinder, and draw by the fine notch of described mistake, thereby realized individual packages to sensing ring; When ring skeleton of the present invention and package shell all adopt magnetic shielding material to add man-hour, can further realize the complete magnetic shielding protection to fiber optic coils.
3, advantage and effect: the ring skeleton with inner flange of the present invention, have simple in structure, be easy to process, be convenient to assemble, the little advantage of heat conduction latus rectum, when being applied to the assembling of optical fibre gyro sensing ring assembly, can realize individual packages and fully magnetic shielding to inner fiber optic coils, at utmost reduce the impact of exterior temperature change on inner coil temperature field simultaneously.
Description of drawings
Fig. 1 a is that axle of the present invention is surveyed vertical view.
Fig. 1 b is that axle of the present invention is surveyed upward view.
Fig. 2 a is the flange claw type formula of flange installation structure within the present invention.
Fig. 2 b is the inner cylinder face form of flange installation structure within the present invention.
Symbol description is as follows among the figure:
1. the face of cylinder 11. cylinder outer circumference surfaces 12. cylinder inner peripheral surfaces
2. inner flange 21. installation bases 22. mounting holes
3. go up back-up ring 31. and cross 4. times back-up rings of fine notch
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 a, b are that the axle with optical fibre gyro sensing ring skeleton of inner flange of the present invention is surveyed view.
Fig. 2 a, b are the synoptic diagram of the possible form of inner flange mounting structure of the present invention.
A kind of optical fibre gyro sensing ring skeleton with inner flange of the present invention, be used for the winding optical fiber coil, when being assembled into optical fibre gyro sensing ring modular structure, have minimum direct heat conduction pathway, can realize individual packages and magnetic shielding protection to fiber optic coils simultaneously.
A kind of optical fibre gyro sensing ring skeleton with inner flange of the present invention, shown in Fig. 1 a, b, Fig. 2 a, b, its xsect is the torus shape structure of " T " font, comprised the face of cylinder (1) that is used for the winding optical fiber coil, (1) the inside horizontally extending inner flange (2) from the face of cylinder, and be positioned at the upper back-up ring (3) of inner flange (2) upper surface and be positioned at the lower back-up ring (4) of inner flange (2) lower surface.
The described face of cylinder (1) is circular ring, its cylinder outer circumference surface (11) is used for the winding optical fiber coil, surfaceness is according to processing around the ring technological requirement, the adhesion when improving the fiber optic coils coiling, and its cylinder inner peripheral surface (12) is used for coiled fiber coil tail optical fiber; Described inner flange (2) is positioned at 1/2nd At The Heights on the described face of cylinder (1) and inside horizontal-extending, becomes flat circular ring, its thickness satisfy under the prerequisite of rigidity requirement thin as much as possible; Be processed with into the upper back-up ring (3) of " C " type annular projection in the upper surface outside of inner flange (2), the indentation, there of its " C " type annular projection has consisted of the fine notch of mistake (31) that passes through for the fiber optic coils tail optical fiber, be processed with into the lower back-up ring (4) of circular projection in the lower surface outside of inner flange (2), it has identical basic size and keeps concentric relation with described upper back-up ring (3); Further, being processed with for the fixing mounting structure of ring skeleton of the present invention near the inside line in the center of circle at inner flange (2), can be installation base (21) and mounting hole (22), and described mounting structure be generally the even circumferential layout.Installation base (21) on the described face of cylinder (1) and the inner flange (2) keeps vertical relation, and described upper back-up ring (3), lower back-up ring (4) keep concentric relation.
When the ring skeleton of band inner flange of the present invention is used for the assembling of sensing ring assembly, the described face of cylinder (1) is used for the coiling of fiber optic coils and fixes, described upper and lower back-up ring (3), (4) are used for location and the fixing shell of sensing ring assembly, and section is rectangle.Described inner flange mounting structure provides installation and the positioning datum of sensing ring assembly, comprise and be not limited in described installation base (21) and mounting hole (22), shown in Fig. 2 a, b, also can be flange pawl structure or the inner cylinder face structure vertical with inner flange.
When the ring skeleton of band inner flange of the present invention is used for the assembling of spiral shell sensing ring assembly, on described, lower back-up ring (3), (4) and between the package shell fix by welding or bonding way, on, lower back-up ring (3), (4) size is through design, can guarantee to assemble and have the basically identical air gap of spacing between rear package shell and its fiber optic coils that coats and the ring skeleton cylinder inner peripheral surface and directly do not contact, thereby outside heat only be the limited inner flange of thickness to the direct heat conduction pathway of fiber optic coils, effectively reduces external temperature and fluctuates on the impact of Inside coil.And because described inner flange (2) is positioned at 1/2nd At The Heights on the ring skeleton face of cylinder (1), the temperature field after the assembled distributes and has good symmetry, has further slowed down the impact of ambient temperature variation on inner fiber optic coils.
When the ring skeleton of band inner flange of the present invention is used for the assembling of spiral shell sensing ring assembly, the tail optical fiber of fiber optic coils can be wound on the inner flange (2) along described cylinder inner peripheral surface (12), and draw by the fine notch of mistake (31) on the upper back-up ring (3), thereby realized individual packages to sensing ring.When ring skeleton of the present invention and package shell all adopt magnetic shielding material to add man-hour, can further realize the complete magnetic shielding protection to fiber optic coils.
The optical fibre gyro sensing ring skeleton that the present invention has inner flange has following design feature:
(1) described ring skeleton is the torus structure that xsect becomes " T " font, has comprised the ring-type face of cylinder that is used for the winding optical fiber coil, and from the face of cylinder the inside horizontally extending inner flange of 1/2nd At The Heights, thereby simple in structure, be easy to processing.
(2) have on the described ring skeleton inner flange for location and the up and down back-up ring structure of fixation kit shell, its size is through design, have the basically identical clearance of spacing and directly do not contact after but the Assurance component shell is fixing with between its coil that coats and the ring skeleton cylinder inner peripheral surface, thereby at utmost reduced the impact that external temperature fluctuates.
(3) tail optical fiber of fiber optic coils can be coiling on the inner flange along described cylinder inner peripheral surface, and draws by the fine notch of described mistake, thereby can realize the individual packages to the sensing ring assembly.
When being applied to the assembling of optical fibre gyro sensing ring assembly, the sensing ring skeleton with inner flange of the present invention has following advantage:
(1) have minimum direct heat conduction pathway, fiber optic coils is subjected to the impact of exterior temperature change little.
(2) be easy to realize the individual packages of sensing ring module, be conducive to store and assembling.
(3) can realize completely magnetic shielding protective benefits.
Claims (1)
1. optical fibre gyro sensing ring skeleton with inner flange, it is characterized in that: it is that a kind of xsect is the torus shape structure of " T " font, comprise the face of cylinder for the winding optical fiber coil, extend internally from the face of cylinder, be used for providing the inner flange of reference for installation, and be positioned at the upper and lower surface of inner flange, be used for location and the fixing upper and lower back-up ring of sensing ring package shell;
The described face of cylinder is cirque structure, and its outer circumference surface roughness is processed according to pre-provisioning request, the adhesion during with the coiling of raising fiber optic coils;
Described inner flange is positioned at 1/2nd At The Heights on the face of cylinder and inside horizontal-extending, becomes flat circular, its thickness satisfy under the prerequisite of rigidity thin as much as possible; Further, the inside line in the close center of circle of inner flange is processed with the mounting structure for the set collar skeleton, and normally mounting hole and installation base and one-tenth even circumferential distribute;
Described upper and lower back-up ring is positioned at the upper and lower surface of inner flange, circularizes convex, and section is rectangle, near the inboard concentric relation that also keeps with it on the described face of cylinder; Be processed with the fine notch of the mistake of passing through for the fiber optic coils tail optical fiber at upper back-up ring; When the ring skeleton is used for the assembling of optical fibre gyro sensing ring assembly, the described face of cylinder is used for coiling and fixed fiber coil, described upper and lower back-up ring is used for location and the fixing shell of sensing ring assembly, the benchmark that described inner flange mounting structure provides the sensing ring assembly to install; The size design of upper and lower back-up ring, guaranteed to have the consistent clearance of spacing and not directly contact between fixing rear with the inner fiber optic coils of package shell and the ring skeleton face of cylinder, thereby outside heat only be the limited inner flange of thickness to the direct heat conduction pathway of fiber optic coils, effectively reduces the impact that external temperature fluctuates; Fixed-type by welding or bonding way between upper and lower back-up ring and the sensing ring package shell, the tail optical fiber of fiber optic coils is coiling to the inner flange upper surface along the inboard on the ring skeleton of the present invention face of cylinder, and draw by the fine notch of described mistake, thereby realized individual packages to sensing ring; All adopt magnetic shielding material to add man-hour when encircling skeleton and package shell, further realize the complete magnetic shielding protection to fiber optic coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568743.XA CN103033179B (en) | 2012-12-25 | 2012-12-25 | Fiber-optic gyroscope sensitive ring skeleton with inner flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210568743.XA CN103033179B (en) | 2012-12-25 | 2012-12-25 | Fiber-optic gyroscope sensitive ring skeleton with inner flange |
Publications (2)
| Publication Number | Publication Date |
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| CN103033179A true CN103033179A (en) | 2013-04-10 |
| CN103033179B CN103033179B (en) | 2015-06-17 |
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| CN201210568743.XA Expired - Fee Related CN103033179B (en) | 2012-12-25 | 2012-12-25 | Fiber-optic gyroscope sensitive ring skeleton with inner flange |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994761A (en) * | 2014-05-15 | 2014-08-20 | 北京航空航天大学 | Fiber-optic gyroscope double-layer magnetic shielding sensitive ring assembly with airtight cavity, and assembling method of assembly |
| CN105910597A (en) * | 2016-06-22 | 2016-08-31 | 陕西宝成航空仪表有限责任公司 | Combined type fiber loop framework for fiber-optic gyroscope |
| CN106525301A (en) * | 2016-12-22 | 2017-03-22 | 南京大学 | Force and displacement measurement method and sensor based on distributed optical fiber sensing |
| CN106525037A (en) * | 2016-12-14 | 2017-03-22 | 北京星网宇达科技股份有限公司 | Method for reducing deformation of large-caliber thin-wall ferronickel material in optical fiber inertial navigation |
| CN108844552A (en) * | 2018-06-22 | 2018-11-20 | 武汉中科锐择光电科技有限公司 | A kind of demoulding skeleton of coiling high-precision skeleton-free fiber loop |
| CN109443340A (en) * | 2018-12-10 | 2019-03-08 | 河北汉光重工有限责任公司 | A kind of device for fiber-optic gyroscope light path system docking |
| CN113124848A (en) * | 2021-03-23 | 2021-07-16 | 西安航天精密机电研究所 | Bonding device and bonding method for improving temperature performance of optical fiber ring |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08313270A (en) * | 1995-05-18 | 1996-11-29 | Japan Aviation Electron Ind Ltd | Structure of optical fiber gyro |
| RU2283475C1 (en) * | 2005-05-11 | 2006-09-10 | Общество с ограниченной ответственностью "Научно-Производственная компания "Оптолинк" | Fiber-optic gyroscope |
| CN102620728A (en) * | 2012-03-22 | 2012-08-01 | 北京航空航天大学 | Double-layer magnetic shielding and bearing ring device suitable for high-precision fiber-optic gyroscope |
| CN102679972A (en) * | 2012-06-01 | 2012-09-19 | 北京航空航天大学 | Compound housing for fiber optic gyroscope |
-
2012
- 2012-12-25 CN CN201210568743.XA patent/CN103033179B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08313270A (en) * | 1995-05-18 | 1996-11-29 | Japan Aviation Electron Ind Ltd | Structure of optical fiber gyro |
| RU2283475C1 (en) * | 2005-05-11 | 2006-09-10 | Общество с ограниченной ответственностью "Научно-Производственная компания "Оптолинк" | Fiber-optic gyroscope |
| CN102620728A (en) * | 2012-03-22 | 2012-08-01 | 北京航空航天大学 | Double-layer magnetic shielding and bearing ring device suitable for high-precision fiber-optic gyroscope |
| CN102679972A (en) * | 2012-06-01 | 2012-09-19 | 北京航空航天大学 | Compound housing for fiber optic gyroscope |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994761A (en) * | 2014-05-15 | 2014-08-20 | 北京航空航天大学 | Fiber-optic gyroscope double-layer magnetic shielding sensitive ring assembly with airtight cavity, and assembling method of assembly |
| CN103994761B (en) * | 2014-05-15 | 2016-12-14 | 北京航空航天大学 | A kind of optical fibre gyro double-layer magnetic shielding sensing ring assembly with air-tight cavity and assemble method thereof |
| CN105910597A (en) * | 2016-06-22 | 2016-08-31 | 陕西宝成航空仪表有限责任公司 | Combined type fiber loop framework for fiber-optic gyroscope |
| CN106525037A (en) * | 2016-12-14 | 2017-03-22 | 北京星网宇达科技股份有限公司 | Method for reducing deformation of large-caliber thin-wall ferronickel material in optical fiber inertial navigation |
| CN106525037B (en) * | 2016-12-14 | 2019-08-20 | 北京星网宇达科技股份有限公司 | The method of large-caliber thin-walled iron-nickel alloy material deformation is reduced in optical fiber inertial navigation |
| CN106525301A (en) * | 2016-12-22 | 2017-03-22 | 南京大学 | Force and displacement measurement method and sensor based on distributed optical fiber sensing |
| CN106525301B (en) * | 2016-12-22 | 2023-01-06 | 南京大学 | Force and displacement measuring method and sensor based on distributed optical fiber sensing |
| CN108844552A (en) * | 2018-06-22 | 2018-11-20 | 武汉中科锐择光电科技有限公司 | A kind of demoulding skeleton of coiling high-precision skeleton-free fiber loop |
| CN109443340A (en) * | 2018-12-10 | 2019-03-08 | 河北汉光重工有限责任公司 | A kind of device for fiber-optic gyroscope light path system docking |
| CN113124848A (en) * | 2021-03-23 | 2021-07-16 | 西安航天精密机电研究所 | Bonding device and bonding method for improving temperature performance of optical fiber ring |
| CN113124848B (en) * | 2021-03-23 | 2022-09-16 | 西安航天精密机电研究所 | Bonding device and bonding method for improving temperature performance of optical fiber ring |
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| CN103033179B (en) | 2015-06-17 |
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Granted publication date: 20150617 Termination date: 20211225 |