CN221238395U - Fiber coiling device for tail fiber of small-sized fiber-optic gyroscope device - Google Patents
Fiber coiling device for tail fiber of small-sized fiber-optic gyroscope device Download PDFInfo
- Publication number
- CN221238395U CN221238395U CN202323049177.4U CN202323049177U CN221238395U CN 221238395 U CN221238395 U CN 221238395U CN 202323049177 U CN202323049177 U CN 202323049177U CN 221238395 U CN221238395 U CN 221238395U
- Authority
- CN
- China
- Prior art keywords
- fiber
- arc
- tail
- optic gyroscope
- ring
- 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.)
- Active
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 110
- 239000013307 optical fiber Substances 0.000 claims abstract description 34
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 239000004677 Nylon Substances 0.000 claims description 15
- 229920001778 nylon Polymers 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 15
- 229920003023 plastic Polymers 0.000 claims description 15
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model discloses a fiber coiling device for tail fibers of a small-sized fiber-optic gyroscope device, which belongs to the technical field of navigation and comprises more than three arc-shaped tool pieces; the three or more arc-shaped tooling pieces are arranged between the outer shell of the fiber-optic gyroscope and the fiber-optic ring and are uniformly distributed along the periphery of the fiber-optic ring; the axial height of each arc-shaped tooling piece is higher than the end surface height of the optical fiber ring; each arc-shaped tooling piece is divided into an upper section and a lower section; the lower section is a sector ring column structure; a boss is processed at the top end of the inner circumferential surface of the upper section; the boss is used for pressing the device tail fiber. The utility model can conveniently and rapidly disk the device tail fiber of the fiber-optic gyroscope on the upper surface of the fiber-optic ring, reduces the damage of the device tail fiber, and meets the assembly requirement of the fiber-optic gyroscope optical device tail fiber.
Description
Technical Field
The utility model belongs to the technical field of inertial navigation, and particularly relates to a fiber coiling device for a tail fiber of a small-sized fiber-optic gyroscope device.
Background
The optical path system of the fiber optic gyroscope is mainly formed by mutually connecting five optical devices of a light source, a coupler, a Y waveguide and an optical fiber ring through respective optical fiber pigtails, and the optical fiber system aims to reduce the stress effect of the optical device pigtails in the assembly process so as to reduce the power loss of light in the optical path transmission and improve the running stability of the gyroscope, and the optical device pigtails need to be orderly coiled on the upper surface of the optical fiber ring so as to improve the quality and the efficiency of the optical path assembly of the fiber optic gyroscope. Because the optical device tail fiber of the optical fiber gyro is extremely fine, fragile and has bending elasticity, the current optical fiber gyro fiber is basically manually operated, the device tail fiber is extremely easy to pop out and is easy to break in the optical path fiber coiling process, and for small optical fiber gyroscopes with the outer diameter of an optical fiber ring less than 40mm and the gap between the optical fiber ring and the outer shell of the optical fiber ring exceeding 2mm, the wire coiling process is more difficult to operate and inconvenient, the optical device and the tail fiber thereof can be fixed smoothly and cured by ultraviolet rays, which is the key of the optical fiber gyro assembly, and the precision index and the production efficiency of the gyroscopes are directly influenced.
Disclosure of utility model
In view of the above, the utility model provides a fiber coiling device for tail fibers of small-sized fiber-optic gyroscope devices, through which the device tail fibers of the fiber-optic gyroscope can be conveniently and rapidly coiled on the upper surface of a fiber-optic ring, the damage of the device tail fibers is reduced, and the assembly requirement of the tail fibers of the optical devices of the fiber-optic gyroscope is met.
The utility model is realized by the following technical scheme:
The fiber coiling device for the tail fiber of the small-sized fiber-optic gyroscope device is suitable for coiling the tail fiber of the device of the fiber-optic gyroscope with the diameter of 20-100 mm;
The fiber coiling device of the device tail fiber comprises: more than three arc-shaped tool pieces;
The three or more arc-shaped tooling pieces are arranged between the outer shell of the fiber-optic gyroscope and the fiber-optic ring and are uniformly distributed along the periphery of the fiber-optic ring;
the axial height of each arc-shaped tooling piece is higher than the end surface height of the optical fiber ring; each arc-shaped tooling piece is divided into an upper section and a lower section; the lower section is of a sector ring column structure; a boss is processed at the top end of the inner circumferential surface of the upper section;
the boss is used for pressing the device tail fiber.
Further, a concave notch extending to the top end is processed in the middle of each arc-shaped tooling piece, and a plastic nylon tube is arranged between the bottom of each concave notch and the shell; the plastic nylon tube is used for fastening and positioning the arc-shaped tool piece.
Further, the bottom of the plastic nylon pipe is wedge-shaped, and the wedge-shaped part of the plastic nylon pipe is downwards inserted into the bottom end of the lower section from the bottom surface of the concave notch.
Further, the bottom surface of the concave notch is flush with the end surface of the optical fiber ring.
Furthermore, chamfering is carried out on each edge of the arc-shaped tooling piece.
Further, the arc-shaped tooling piece is formed by processing a polytetrafluoroethylene round rod.
Further, the axial height of the lower section is higher than the axial height of the fiber optic ring.
The beneficial effects are that:
(1) The fiber coiling device for the device tail fiber of the small-sized optical fiber gyro is suitable for coiling the device tail fiber of the optical fiber gyro with the diameter of 20-100 mm, more than three arc-shaped tooling pieces are uniformly arranged along the periphery of an optical fiber ring, and the inner circumferential surface of the upper section of each arc-shaped tooling piece is provided with a boss, so that the top of the boss can press the device tail fiber when coiling the fiber, the device tail fiber is prevented from being ejected upwards, and the device tail fiber can be conveniently coiled on the upper surface of the optical fiber ring in a crossing way.
(2) According to the fiber coiling device for the tail fiber of the small-sized fiber optic gyroscope device, the middle of each arc-shaped tooling piece is provided with the concave notch, the plastic nylon pipe is arranged between the bottom of each concave notch and the shell of the fiber optic gyroscope, has certain elasticity, can compress the arc-shaped tooling pieces on the periphery of the fiber optic ring during installation, is convenient to take out during disassembly, can meet the assembly requirement of the tail fiber of the fiber optic gyroscope device, and provides convenience and efficiency.
(3) According to the fiber coiling device for the tail fiber of the small-sized fiber-optic gyroscope device, the bottom surface of the concave notch is flush with the end surface of the fiber-optic ring, when the device is placed and installed on the upper end surface of the fiber-optic ring, the optical fibers at the two ends of the device are easy to press on the inner side wall of the arc-shaped tooling piece and are easy to bend and break, and the bending size of the optical fibers of the device can be reduced by processing the concave notch, so that the bending loss of light is reduced, and the transmission quality and reliability of optical signals are improved.
(4) According to the fiber coiling device for the tail fibers of the small-sized fiber-optic gyroscope device, the chamfering treatment is carried out on each edge of the arc-shaped tooling piece, and the chamfering treatment can prevent the tail fibers of the device from being scratched in the fiber coiling process, so that the transmission effect of optical signals is affected.
(5) The fiber coiling device for the tail fiber of the small-sized fiber-optic gyroscope device is characterized in that the arc-shaped tooling piece is formed by processing the polytetrafluoroethylene round rod, and the tail fiber of the device can be further prevented from being scratched in the fiber coiling process.
(6) According to the fiber coiling device for the tail fibers of the small-sized fiber-optic gyroscope device, the axial height of the lower section of the arc-shaped tooling piece is higher than that of the fiber ring, so that the effect of fiber coiling is prevented from being influenced due to the fact that the axial height of a tail fiber coil after fiber coiling is too high and then the tail fiber coil is ejected upwards.
Drawings
FIG. 1 is a diagram showing the effect of the utility model applied to a small fiber optic gyroscope product;
FIG. 2 is a block diagram of a compact fiber optic gyroscope product;
FIG. 3 is a bottom view of the present utility model;
FIG. 4 is a perspective view of the present utility model;
FIG. 5 is a front view of the present utility model;
wherein, 1-arc frock piece, 2-plastics nylon pipe, 3-hypomere, 4-upper segment, 5-concave breach, 6-shell, 7-optic fibre ring.
Detailed Description
The utility model will now be described in detail by way of example with reference to the accompanying drawings.
The embodiment provides a fiber coiling device for tail fibers of a small-sized fiber-optic gyroscope device, which is suitable for coiling tail fibers in a fiber-optic gyroscope with the diameter of 20-100 mm; the tail fiber coiling device, as shown in fig. 1 and 2, consists of more than three arc-shaped tooling sheets 1 and more than three plastic nylon pipes;
The three or more arc-shaped tooling pieces 1 are arranged between the outer shell 6 and the optical fiber ring 7 of the optical fiber gyroscope, the three or more arc-shaped tooling pieces 1 are uniformly arranged along the periphery of the optical fiber ring 7, a concave notch 5 extending to the top end is processed in the middle of each arc-shaped tooling piece 1, and a plastic nylon tube 2 is arranged between the bottom of the concave notch 5 on each arc-shaped tooling piece 1 and the outer shell 6; the bottom of the plastic nylon tube 2 is wedge-shaped, the wedge-shaped part of the plastic nylon tube 2 is downwards inserted into the bottom end of the lower section 3 of the arc-shaped tooling piece 1 from the bottom surface of the concave notch 5, and the elastic energy of the plastic nylon tube 2 clamps the arc-shaped tooling piece 1 on the optical fiber ring 7, so that the soft positioning of the arc-shaped tooling piece 1 is realized; in this embodiment, the bottom surface of the concave notch 5 to the bottom surface of the arc-shaped tooling piece 1 are flush with the end surface of the optical fiber ring 7, the groove width of the concave notch 5 is 8mm, when the tail fiber of the fiber coiling device is coiled, the tail fiber is easy to bend and break upwards, and the bending size of the device optical fiber can be reduced by processing the concave notch 5, so that the bending loss of light is reduced, and the transmission quality and reliability of optical signals are improved; in this embodiment, as shown in fig. 3, the thickness of the arc tooling sheet 1 is 3mm, and the radian is 112 °;
The axial height of each arc-shaped tooling piece 1 is higher than the end surface height of the optical fiber ring 7; the height difference between the axial height of the arc-shaped tooling piece 1 and the end surface height of the optical fiber ring 7 can be adjusted according to the diameter of the optical fiber ring 7 and the length of the optical fiber, and in the embodiment, the height difference is 8mm;
As shown in fig. 4 and 5, each arc tooling piece 1 is divided into an upper section 4 and a lower section 3; the lower section 3 of the arc-shaped tooling piece 1 is of a sector ring column structure, and the axial height of the lower section 3 is higher than the end surface height of the optical fiber ring 7; in this embodiment, the axial height of the lower section 3 differs from the end face height of the optical fiber ring 7 by 2mm;
A boss is processed at the top end of the inner circumferential surface of the upper section 4, and the inner diameter of the boss is gradually reduced from bottom to top; in this embodiment, the inverted right angle of the longitudinal section of the boss is a triangle, and the included angle between the hypotenuse of the right triangle and the horizontal plane is 67.5 degrees; the lug boss can press the device tail fiber when the tail fiber is coiled, so that the device tail fiber is prevented from being ejected upwards; in the embodiment, the inner diameter of the top end of the boss is smaller than the inner diameter of the bottom end of the boss by 6mm;
In the embodiment, the arc-shaped tooling piece 1 is processed by a polytetrafluoroethylene round bar, and each edge of the arc-shaped tooling piece 1 is subjected to chamfering treatment of 0.1mm to prevent the tail fiber of the device from being scratched;
The tail fiber ring of the device after fiber coiling is positioned above the optical fiber ring 7 and is surrounded by more than three arc-shaped tooling sheets; the diameter of the tail fiber coil of the fiber optic gyroscope device is smaller in the fiber coiling process, the tail fiber of the device is easier to pop up, and the size of the tail fiber coil on the upper surface of the fiber optic ring 7 is adjusted by adjusting the gap between two adjacent arc-shaped tool pieces 1 and the radian of the arc-shaped tool pieces, so that all device tail fibers can be conveniently and orderly coiled on the upper surface of the fiber optic ring 7, and the fiber optic gyroscope device can be conveniently and conveniently detached at any time, thereby meeting the assembly requirement of the tail fiber of the fiber optic gyroscope device and providing convenience and efficiency.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The fiber coiling device for the tail fiber of the small-sized fiber-optic gyroscope device is characterized by being suitable for coiling the tail fiber of the device of the fiber-optic gyroscope with the diameter of 20-100 mm;
the fiber coiling device of the device tail fiber comprises: more than three arc-shaped tool pieces (1);
More than three arc-shaped tool pieces (1) are arranged between a shell (6) of the fiber optic gyroscope and the fiber optic ring (7) and are uniformly arranged along the periphery of the fiber optic ring (7);
The axial height of each arc-shaped tooling piece (1) is higher than the end surface height of the optical fiber ring (7); each arc-shaped tooling piece (1) is divided into an upper section (4) and a lower section (3); the lower section (3) is of a sector ring column structure; a boss is processed at the top end of the inner circumferential surface of the upper section (4);
the boss is used for pressing the device tail fiber.
2. The fiber coiling device for the tail fiber of the small-sized fiber-optic gyroscope device according to claim 1, wherein a concave notch extending to the top end is processed in the middle of each arc-shaped tooling piece (1), and a plastic nylon tube (2) is arranged between the bottom of each concave notch and the shell (6); the plastic nylon pipe (2) is used for fastening and positioning the arc-shaped tool piece (1).
3. The fiber coiling device for the tail fiber of the small-sized fiber-optic gyroscope device according to claim 2, wherein the bottom of the plastic nylon tube (2) is wedge-shaped, and the wedge-shaped part of the plastic nylon tube (2) is inserted downwards from the bottom surface of the concave notch (5) to the bottom end of the lower section (3).
4. A fiber coiling device as in claim 2, wherein the bottom surface of the concave notch (5) is flush with the end surface of the fiber optic ring (7).
5. The fiber coiling device for the tail fiber of the small-sized fiber-optic gyroscope device according to any one of claims 1 to 4, wherein each edge of the arc-shaped tooling piece (1) is subjected to chamfering treatment.
6. The fiber coiling device for the tail fiber of the small-sized fiber-optic gyroscope device according to claim 1, wherein the arc-shaped tooling piece (1) is formed by processing a polytetrafluoroethylene round rod.
7. A fiber coiling device as in claim 1, characterized in that the axial height of the lower section (3) is higher than the axial height of the fiber loop (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323049177.4U CN221238395U (en) | 2023-11-13 | 2023-11-13 | Fiber coiling device for tail fiber of small-sized fiber-optic gyroscope device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323049177.4U CN221238395U (en) | 2023-11-13 | 2023-11-13 | Fiber coiling device for tail fiber of small-sized fiber-optic gyroscope device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221238395U true CN221238395U (en) | 2024-06-28 |
Family
ID=91594300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323049177.4U Active CN221238395U (en) | 2023-11-13 | 2023-11-13 | Fiber coiling device for tail fiber of small-sized fiber-optic gyroscope device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221238395U (en) |
-
2023
- 2023-11-13 CN CN202323049177.4U patent/CN221238395U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4889403A (en) | Distribution optical fiber tap | |
| US8687929B2 (en) | Optical collimator, optical connector using same and holding member for optical collimator | |
| CA2293132A1 (en) | Triple-clad rare-earth doped optical fiber and applications | |
| KR970003762B1 (en) | Fiber Optic Tap Using Reflector | |
| CN102667559A (en) | Lateral emission apparatus and manufacturing method thereof | |
| CN201051161Y (en) | A single optical fiber calibrator | |
| CN221238395U (en) | Fiber coiling device for tail fiber of small-sized fiber-optic gyroscope device | |
| US6912345B2 (en) | Tapered optical fiber for coupling to diffused optical waveguides | |
| CA2210611A1 (en) | Optical-fiber coupler and manufacturing process therefor | |
| CN103777278A (en) | Double-core butterfly type optical cable butt fusion branch protector | |
| WO2003041129A3 (en) | Fiber optic termination | |
| GB1562728A (en) | Precision surface optical fibre | |
| CN101285916B (en) | Optical fibre mechanical connection device | |
| WO2004053547A6 (en) | Optical fiber terminal, manufacturing method thereof, optical coupler, and optical part | |
| EP1298464A3 (en) | Silica optical fibre with polymer double cladding | |
| US6618540B2 (en) | Optical fiber holding device | |
| CN201207088Y (en) | Mechanical connecting device for optical fiber | |
| CN2727762Y (en) | Long-focus lens optical fiber | |
| CN112051645A (en) | a fiber optic connector | |
| US6469835B1 (en) | Optical collimator with long working distance | |
| CN219212747U (en) | Optical fiber clamping device | |
| CN204719285U (en) | A kind of light splitting fiber distribution box | |
| CN205091489U (en) | Optic fibre coupled laser coupling optical system | |
| JPH0843680A (en) | Optical fiber with rod lens | |
| CN207867073U (en) | A kind of double optical fiber connectors with wave splitting/composing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |