CN103033179B - Fiber-optic gyroscope sensitive ring skeleton with inner flange - Google Patents
Fiber-optic gyroscope sensitive ring skeleton with inner flange Download PDFInfo
- Publication number
- CN103033179B CN103033179B CN201210568743.XA CN201210568743A CN103033179B CN 103033179 B CN103033179 B CN 103033179B CN 201210568743 A CN201210568743 A CN 201210568743A CN 103033179 B CN103033179 B CN 103033179B
- Authority
- CN
- China
- Prior art keywords
- ring
- inner flange
- fiber
- cylinder
- face
- 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.)
- Expired - Fee Related
Links
Landscapes
- Gyroscopes (AREA)
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, for winding optical fiber coil, effectively can reduce outside direct heat conducting passage and the individual packages that can realize fiber optic coils and magnetic shielding protection.Belong to technical field of inertial.
Background technology
Optical fibre gyro is based on Sagnac effect, for detection angle displacement and angular velocity signal, its crucial sensitive element by the sensing ring coil of optical fiber coiling, as the carrier of winding optical fiber coil, the structural design of optical fibre gyro sensing ring skeleton should take into full account heat transfer characteristic optimization to whole sensing ring assembly and magnetic shielding protection, to meet the strict demand of high accuracy gyroscope to temperature, electromagnetic environmental impact.
Summary of the invention
1, object: the object of this invention is to provide a kind of optical fibre gyro sensing ring skeleton with inner flange, for winding optical fiber coil, when being assembled into optical fibre gyro sensing ring module, there is minimum direct thermal conduction path, and the individual packages that can realize fiber optic coils and magnetic shielding protection.
2, technical scheme: a kind of optical fibre gyro sensing ring skeleton with inner flange of the present invention, the torus shape structure of " T " font that to be a kind of xsect be, include the face of cylinder for winding optical fiber coil, extend internally from the face of cylinder, for providing the inner flange of reference for installation, and be positioned at the upper and lower surface of inner flange, for locating and the upper and lower back-up ring of fixing sensing ring package shell.
The described face of cylinder is cirque structure, and its outer circumference surface roughness processes according to pre-provisioning request, to improve adhesion during fiber optic coils coiling;
Described inner flange is positioned at 1/2nd At The Heights on the face of cylinder and inside horizontal-extending, and become flat circular, its thickness is thin as much as possible under the prerequisite meeting rigidity; Further, be processed with the mounting structure for fixing ring skeleton of the present invention at the inside line of inner flange near the center of circle, normally mounting hole and installation base etc., and become even circumferential to 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, also keeps concentric relation with it near the inner side on the described face of cylinder; The fine notch of mistake for fiber optic coils tail optical fiber can be allowed to pass through is processed with 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 for locating and the shell of fixing sensing ring assembly, and described inner flange mounting structure provides the benchmark that sensing ring assembly is installed; The size of upper and lower back-up ring is through design, ensure that package shell does not directly contact with having the basically identical clearance of spacing between inner fiber optic coils and the ring skeleton face of cylinder after fixing, thus outside heat is only the inner flange of finite thickness to the direct thermal conduction path of fiber optic coils, effectively reduces the impact of external temperature fluctuations; Between upper and lower back-up ring with sensing ring package shell by weld or bonding way fixed-type, the tail optical fiber of fiber optic coils can along the inner disc on the ring skeleton face of cylinder of the present invention around to inner flange upper surface, and drawn by the fine notch of described mistake, thus achieve the individual packages to sensing ring; When ring skeleton of the present invention and package shell all adopt magnetic shielding material to add man-hour, the complete magnetic shielding protection to fiber optic coils can be realized further.
3, advantage and effect: the ring skeleton with inner flange of the present invention, have structure simple, be easy to process, be convenient to the advantage of assembling, heat transfer latus rectum is little, when being applied to the assembling of optical fibre gyro sensing ring assembly, the individual packages to inner fiber optic coils and complete magnetic shielding can be realized, at utmost decrease the impact of exterior temperature change on inner coil temperature field simultaneously.
Accompanying drawing explanation
Fig. 1 a is that axle of the present invention surveys vertical view.
Fig. 1 b is that axle of the present invention surveys upward view.
Fig. 2 a is the flange fingers 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.
In figure, symbol description is as follows:
1. cylindrical outer circumference face 12., the face of cylinder 11. cylinder inner peripheral surface
2. inner flange 21. installation base 22. mounting hole
3. go up back-up ring 31. and cross fine notch 4. times back-up rings
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 a, b are that the axle with the optical fibre gyro sensing ring skeleton of inner flange of the present invention surveys view.
Fig. 2 a, b are the schematic 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, for winding optical fiber coil, when being assembled into optical fibre gyro sensing ring modular structure, there is minimum direct thermal conduction path, the individual packages to fiber optic coils and magnetic shielding protection can be realized simultaneously.
A kind of optical fibre gyro sensing ring skeleton with inner flange of the present invention, as shown in Fig. 1 a, b, Fig. 2 a, b, its xsect is the torus shape structure of " T " font, include the face of cylinder (1) for winding optical fiber coil, from the inner flange (2) of the face of cylinder (1) inside horizontal-extending, 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 cylindrical outer circumference face (11) is for winding optical fiber coil, surfaceness processes according to around ring technological requirement, and to improve adhesion during fiber optic coils coiling, its cylinder inner peripheral surface (12) is for coiled fiber coil tail optical fiber; Described inner flange (2) is positioned at 1/2nd At The Heights also inside horizontal-extending on the described face of cylinder (1), and become flat circular ring, its thickness is thin as much as possible under the prerequisite meeting rigidity requirement; The upper back-up ring (3) of " C " type annular projection is processed with into outside the upper surface of inner flange (2), the indentation, there of its " C " type annular projection constitutes the fine notch of the mistake passed through for fiber optic coils tail optical fiber (31), outside the lower surface of inner flange (2), be processed with into the lower back-up ring (4) of circular projection, it and described upper back-up ring (3) have identical basic size and keep concentric relation; Further, being processed with the mounting structure for fixing ring skeleton of the present invention at the inside line of inner flange (2) near the center of circle, can be installation base (21) and mounting hole (22), and described mounting structure is generally even circumferential layout.Installation base (21) on the described face of cylinder (1) and 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 for the coiling of fiber optic coils and fixing, described upper and lower back-up ring (3), (4) are for locating and the shell of fixing 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), as 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 package shell fixed by welding or bonding way, on, lower back-up ring (3), (4) size is through design, can ensure to assemble rear package shell and between its coated fiber optic coils and ring skeleton cylinder inner peripheral surface, there is the basically identical air gap of spacing and directly do not contact, thus outside heat is only the inner flange of finite thickness to the direct thermal conduction path of fiber optic coils, effectively reduce the impact of external temperature fluctuations on Inside coil.Further, because described inner flange (2) is positioned at 1/2nd At The Heights on the ring skeleton face of cylinder (1), the thermo parameters method after assembled has good symmetry, slow down the impact of ambient temperature change on inner fiber optic coils further.
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 inner flange (2) along described cylinder inner peripheral surface (12), and drawn by the fine notch of mistake (31) on upper back-up ring (3), thus achieve the individual packages to sensing ring.When ring skeleton of the present invention and package shell all adopt magnetic shielding material to add man-hour, the complete magnetic shielding protection to fiber optic coils can be realized further.
The optical fibre gyro sensing ring skeleton that the present invention has inner flange has following design feature:
(1) the ring skeleton described in is that xsect becomes the torus structure of " T " font, includes the annular cylindrical face for winding optical fiber coil, and from the inner flange of the inside horizontal-extending of the face of cylinder 1/2nd At The Height, thus structure is simple, is easy to processing.
(2) the ring skeleton inner flange described in have for locating the structure of back-up ring up and down with fixation kit shell, its size is through design, can Assurance component shell fix after directly do not contact with there is the basically identical clearance of spacing between its coated coil and ring skeleton cylinder inner peripheral surface, thus at utmost decrease the impact of external temperature fluctuations.
(3) tail optical fiber of fiber optic coils can be coiling on inner flange along described cylinder inner peripheral surface, and is drawn by the fine notch of described mistake, thus can realize the individual packages to sensing ring assembly.
When the sensing ring skeleton with inner flange of the present invention is applied to the assembling of optical fibre gyro sensing ring assembly, there is following advantage:
(1) have minimum direct thermal conduction path, fiber optic coils is little by the impact of exterior temperature change.
(2) be easy to the individual packages realizing sensing ring module, be conducive to storing and assembling.
(3) magnetic shielding protective benefits completely can be realized.
Claims (1)
1. one kind has the optical fibre gyro sensing ring skeleton of inner flange, it is characterized in that: the torus shape structure of its to be a kind of xsect be " T " font, comprise the face of cylinder for winding optical fiber coil, extend internally from the face of cylinder, for providing the inner flange of reference for installation, and be positioned at the upper and lower surface of inner flange, for locating and the upper and lower back-up ring of fixing sensing ring package shell;
The described face of cylinder is cirque structure, and its outer circumference surface roughness processes according to pre-provisioning request, to improve adhesion during fiber optic coils coiling;
Described inner flange is positioned at 1/2nd At The Heights on the face of cylinder and inside horizontal-extending, and become flat circular, its thickness is thin as much as possible under the prerequisite meeting rigidity; Further, be processed with the mounting structure for set collar skeleton at the inside line of inner flange near the center of circle, mounting hole and installation base and become even circumferential to 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, also keeps concentric relation with it near the inner side on the described face of cylinder; The fine notch of the mistake passed through for fiber optic coils tail optical fiber is processed with at upper back-up ring; When ring skeleton being 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 for locating and the shell of fixing sensing ring assembly, and described inner flange mounting structure provides the benchmark that sensing ring assembly is installed; The size design of upper and lower back-up ring, ensure that package shell does not directly contact with having the consistent clearance of spacing between inner fiber optic coils and the ring skeleton face of cylinder after fixing, thus outside heat is only the inner flange of finite thickness to the direct thermal conduction path of fiber optic coils, effectively reduces the impact of external temperature fluctuations; Between upper and lower back-up ring with sensing ring package shell by weld or bonding way fixed-type, the tail optical fiber of fiber optic coils is along the inner disc on the optical fibre gyro sensing ring skeleton face of cylinder around to inner flange upper surface, and drawn by the fine notch of described mistake, thus achieve the individual packages to sensing ring; When ring skeleton and package shell all adopt magnetic shielding material to add man-hour, realize the complete magnetic shielding protection to fiber optic coils further.
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 |
|---|---|
| CN103033179A CN103033179A (en) | 2013-04-10 |
| CN103033179B true CN103033179B (en) | 2015-06-17 |
Family
ID=48020318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210568743.XA Expired - Fee Related CN103033179B (en) | 2012-12-25 | 2012-12-25 | Fiber-optic gyroscope sensitive ring skeleton with inner flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103033179B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| CN109443340B (en) * | 2018-12-10 | 2022-09-06 | 河北汉光重工有限责任公司 | Device for butt joint of optical path system of fiber-optic gyroscope |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2838123B2 (en) * | 1995-05-18 | 1998-12-16 | 日本航空電子工業株式会社 | Optical fiber gyro structure |
-
2012
- 2012-12-25 CN CN201210568743.XA patent/CN103033179B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103033179A (en) | 2013-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103033179B (en) | Fiber-optic gyroscope sensitive ring skeleton with inner flange | |
| CN102589574B (en) | Optical fiber ring packaging structure applicable to medium/high-precision optical fiber inertia unit | |
| CN102997906B (en) | Magnetic shielding sensitive ring module structure capable of being packaged independently for optical fiber gyro | |
| CN102620728B (en) | Double-layer magnetic shielding and bearing ring device suitable for high-precision fiber-optic gyroscope | |
| CN102679972B (en) | Compound housing for fiber optic gyroscope | |
| CN103994761A (en) | Fiber-optic gyroscope double-layer magnetic shielding sensitive ring assembly with airtight cavity, and assembling method of assembly | |
| CN103674005B (en) | A kind of optical fibre gyro magnetic shielding cover | |
| US5896199A (en) | High efficiency magnetic shield for a fiber optic gyroscope | |
| CN105593757A (en) | Optical unit that has image stabilization functionality | |
| KR20160135406A (en) | Operating method of wireless charging and electronic device using the same | |
| CN109211218B (en) | Optical fiber ring for optical fiber gyroscope and optical fiber ring processing method | |
| CN105527594A (en) | 3D magnetic coil with large uniform region and manufacture method of 3D magnetic coil | |
| CN202452982U (en) | Magnetic shielding optical fiber gyroscope | |
| CN102608703A (en) | Optical fiber ring assembly packaging structure suitable for being directly coupled | |
| JP2009109992A (en) | Ferrule aligning and supporting sleeve and optical module | |
| CN105318973A (en) | A self-focusing lens thermopile sensor and an assembly process therefor | |
| CN114264295A (en) | Small-sized biaxial optical fiber gyroscope beneficial to arrangement of optical fiber pigtails | |
| CN103115621A (en) | Optical fiber gyroscope sensing ring device for petroleum gradiograph | |
| CN105910597A (en) | Combined type fiber loop framework for fiber-optic gyroscope | |
| CN201731883U (en) | Optical fibre gyro structure with intermediate/high accuracy | |
| US20140002915A1 (en) | Lens module | |
| CN216246393U (en) | Optical fiber ring assembly structure with adjustable measuring range | |
| CN207081431U (en) | A kind of nested ring structure of double-shaft optical fiber gyroscope | |
| CN115164864A (en) | Small optical fiber gyroscope with T-shaped structure | |
| CN105928502A (en) | Combined type optical fiber ring skeleton for optical fiber gyroscope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |