CN105739021A - Optical fiber uniform stress applying device - Google Patents
Optical fiber uniform stress applying device Download PDFInfo
- Publication number
- CN105739021A CN105739021A CN201610283892.XA CN201610283892A CN105739021A CN 105739021 A CN105739021 A CN 105739021A CN 201610283892 A CN201610283892 A CN 201610283892A CN 105739021 A CN105739021 A CN 105739021A
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- Prior art keywords
- optical fiber
- clamp
- slide rail
- fiber clamp
- line slide
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to the technical field of optical fiber testing, and particularly to an optical fiber uniform stress applying device. The optical fiber uniform stress applying device comprises an optical fiber clamp, an elastic deformation member, a fixed support and a linear guide rail. The optical fiber clamp and fixed support are fixed on two ends of the linear guide rail. The optical fiber clamp comprises an optical fiber clamping structure and a slide block structure and can clamp the optical fiber for sliding on the linear guide rail. Two ends of the elastic deformation member are respectively fixed with the optical fiber clamp and the fixed support. The optical fiber clamp can move on the linear guide rail relative to the fixed support. The optical fiber uniform stress applying device can apply a uniform stress on the optical fiber so that the optical fiber in a stable stretched state, thereby preventing optical fiber communication interference by an applied stress and ensuring high optical fiber testing quality.
Description
Technical field
The present invention relates to measuring techniques for optical fiber field.
Background technology
Optical fiber is fibre-optic abbreviation.Fiber optic communication is using light wave as information carrier, using optical fiber as a kind of communication mode of transmission medium.In order to study and improve quality of optical fiber communication, it is necessary to optical fiber to be done various Experiments of Optics.Experiment requires optical fiber is in extended state more, so optical fiber must be applied certain homogeneous state of stress.
At present, the device that optical fiber applies stress is varied, is mostly in the light path put up, taking one section of optical fiber, one end is clamped in fibre clip, and the other end lies on another optical fibre frame, hang up the counterweight of certain mass on this fibre clip side, make optical fiber be constantly in extended state.Owing to counterweight is in vacant state, it is easy to rock, make the dynamics that stress produces uneven, it is easy to break optical fiber.Such as, when writing LPFG processed, hanging counterweight mode easily makes optical fiber break, counterweight rocks drive optical fiber minute movement in process simultaneously, causing slant optical fiber, the energy projecting optical fiber is uneven, and then easily causing fiber grating, to write efficiency processed low, poor stability, the bad results such as modulation depth is shallow.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of optical fiber homogeneous state of stress bringing device, it is possible to optical fiber applies the stress of continuous uniform, makes optical fiber be in stable extended state, it is to avoid fiber optic communication is disturbed by applied stress, it is ensured that test optical fiber quality.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of optical fiber homogeneous state of stress bringing device, including fiber clamp, elastic deformation part, fixed mount and line slide rail, described fiber clamp and fixed mount are separately fixed at the two ends on described line slide rail in opposite directions, described fiber clamp includes optical fiber clamp structure and slide block structure, can slide on line slide rail by grip optical fiber, the two ends of described elastic deformation part are separately fixed on described fiber clamp and fixed mount, it is possible to make fiber clamp be opposite in fixed mount motion on line slide rail.
The operation principle of apparatus of the present invention is, a place of optical fiber is respectively clamped respectively with fiber clamp and fixed mount, when the elastic deformation part of accumulation of energy in advance releases energy, fiber clamp is pulled to be opposite in fixed mount motion, the part that optical fiber is positioned at outside apparatus of the present invention is stretched therewith, after elastic deformation part stress balance, fiber clamp and fixed mount relative position are fixed so that be positioned at the optical fiber outside apparatus of the present invention and be subject to the stress of continuous uniform.
Described fixed mount also includes optical fiber clamp structure.
As preferably, the line that fiber clamp clamps central point with the optical fiber of fixed mount is parallel with described line slide rail.
Further, described optical fiber clamp structure includes the main body that connected by rotating shaft and rotatable fixed part, and described main body and fixed part are equipped with arc-shaped concave at clamping part, for grip optical fiber.
Described main body and rotatable fixed part are Magnet, by magnetic clamping optical fiber between the two.
Line slide rail is provided with protruding rail, and the lower body part of described fiber clamp is provided with the chute matched with protruding rail.
Described line slide rail be connected with base.
Described elastic deformation part is extension spring or gum elastic.
Described extension spring is positioned at the middle part of fiber clamp, and is positioned at the lower section of optical fiber clamping part.
Adopt and have the beneficial effects that produced by technique scheme: the present invention utilizes elastic deformation part that fiber clamp is exerted a force, indirectly optical fiber is applied tension, due to elastic deformation part, especially extension spring, there is certain shock-absorbing capacity, optical fiber will not receive bigger tension moment, it is to avoid optical fiber is subject to the excessive damage of momentum；Optical fiber is fixed on fiber clamp, due to fiber clamp can only on line slide rail for linear motion, rock thus without making optical fiber produce, so that it is guaranteed that optic fibre force is stable and not run-off the straight, it is ensured that Experiments in Fibre Optical accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention；
Fig. 2 is the attachment structure schematic diagram of fiber clamp and line slide rail in Fig. 1；
Fig. 3 is the attachment structure schematic diagram of fixed mount and line slide rail in Fig. 1.
Wherein, 1, fiber clamp；2, fixed mount；3, line slide rail；4, elastic deformation part；5, base；11, fixed part；12, main body；13, rotating shaft；14, clamping part；31, protruding rail；121, chute.
Detailed description of the invention
The present invention solves the problem adopting weight stretching optical fiber to be easily caused fibercuts, rock and tilt in the experiment of prior art optical fiber, provide a kind of optical fiber homogeneous state of stress bringing device, by the fiber clamp of linearly slide rail motion and elastic deformation part, replace optical fibre frame and the weight of prior art, ensure that the stress suffered by optical fiber is continuous uniform, make optical fiber not break, be in reliable and stable extended state.
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of optical fiber homogeneous state of stress bringing device, including fiber clamp 1, elastic deformation part 4, fixed mount 2 and line slide rail 3, fiber clamp 1 and fixed mount 2 are separately fixed at the two ends on line slide rail 3 in opposite directions, fiber clamp 1 includes optical fiber clamp structure and slide block structure, can slide on line slide rail 3 by grip optical fiber, the two ends of elastic deformation part 4 are separately fixed on fiber clamp 1 and fixed mount 2, it is possible to make fiber clamp 1 be opposite in fixed mount 2 on line slide rail 3 and move.Elastic deformation part 4 is extension spring.
Fiber clamp 1 is provided with otic placode, and the end of extension spring penetrates that otic placode and fiber clamp 1 is fixing to be connected, it is also possible to directly employing metal stretching spring, is directly welded on fiber clamp 1 at its two ends.
Fixed mount 2 also includes optical fiber clamp structure.The line that fiber clamp 1 clamps central point with the optical fiber of fixed mount 2 is parallel with line slide rail 3.Make optical fiber direction of pull parallel with line slide rail 3, fiber clamp 1 is both secured on line slide rail 3, rocking outside direction of pull will not be there is, ensure optical fiber not run-off the straight, institute's tension stress is not easily susceptible to disturbance, ensure pulling force continuous-stable, do not occur stress intensity change to cause the situation of fibercuts.
The using method of apparatus of the present invention is, be fixedly clamped a place of optical fiber with fiber clamp 1, be fixedly clamped a side end of optical fiber with fixed mount 2, adjust the position of fiber clamp 1, extension spring is made to be in tensile elongation state, length after extension spring elongation is slightly less than or equal to the length of optical fiber between fiber clamp 1 and fixed mount 2, unclamp extension spring, fiber clamp 1 Tensile spring tension is opposite in fixed mount 2 and moves, the part that optical fiber is positioned at outside apparatus of the present invention is stretched therewith, after elastic deformation part 4 stress balance, fiber clamp 1 and fixed mount 2 relative position are fixed, make to be positioned at the optical fiber outside apparatus of the present invention and be subject to the stress of continuous uniform.
Further improvement to the technical program, the optical fiber clamp structure of fiber clamp 1 and fixed mount 2 includes the main body 12 and the rotatable fixed part 11 that are connected by rotating shaft 13, and main body 12 and fixed part 11 are equipped with arc-shaped concave at clamping part 14, for grip optical fiber.Main body 12 and rotatable fixed part 11 are Magnet, by magnetic clamping optical fiber between the two.Being put on the arc-shaped concave of main body 12 by optical fiber laminating, rotate fixed part 11 and close close with main body 12, optical fiber is fixed and clamped by the magnetic force attracted each other between fixed part 11 and main body 12.This fiber clamp 1 simple in construction, easy to operate.The main body 12 of fixed mount 2 is directly anchored on line slide rail 3 motionless, and fixed form adopts the modes such as welding, bolt connection.
Fiber clamp 1 and line slide rail 3 adopt protruding rail 31 and the sliding connection structure of chute 121, and wherein, line slide rail 3 is provided with protruding rail 31, and main body 12 bottom of fiber clamp 1 is provided with the chute 121 matched with protruding rail 31.Protruding rail 31 penetrates in chute 121, it is achieved the linear slide on protruding rail 31 direction, and the longitudinal section of protruding rail 31 is up big and down small wedge shape, it is possible to ensure that fiber clamp 1 slides steadily.Fiber clamp 12 adopts the mode of bolt or welding to be fixed on one end of line slide rail 3.
Line slide rail 3 be connected with base 5.Base 5 is trapezoidal, makes line slide rail 3 supporting & stablizing.Line slide rail 3 should not shake with the motion of fiber clamp 1 or elastic deformation part 4.Therefore, line slide rail 3 should have certain deadweight or is fixed on testboard by base.
As preferably, extension spring is positioned at the middle part of fiber clamp 1, and is positioned at the lower section of optical fiber clamping part 14, makes fiber clamp 1 by tension balanced.
Above a kind of optical fiber homogeneous state of stress bringing device provided by the invention is described in detail; the present invention applies specific case embodiments of the present invention are set forth; the explanation of above example is only intended to help and understands the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, also the present invention can being carried out some improvement, these improve in the protection domain also falling into the claims in the present invention.
Claims (9)
1. an optical fiber homogeneous state of stress bringing device, it is characterized in that: include fiber clamp (1), elastic deformation part (4), fixed mount (2) and line slide rail (3), described fiber clamp (1) and fixed mount (2) are separately fixed at the two ends on described line slide rail (3) in opposite directions, described fiber clamp (1) includes optical fiber clamp structure and slide block structure, can above slide at line slide rail (3) by grip optical fiber, the two ends of described elastic deformation part (4) are separately fixed on described fiber clamp (1) and fixed mount (2), fiber clamp (1) can be made to be opposite in fixed mount (2) motion on line slide rail (3).
2. a kind of optical fiber homogeneous state of stress bringing device according to claim 1, it is characterised in that described fixed mount (2) also includes optical fiber clamp structure.
3. a kind of optical fiber homogeneous state of stress bringing device according to claim 2, it is characterised in that the line that fiber clamp (1) clamps central point with the optical fiber of fixed mount (2) is parallel with described line slide rail (3).
4. a kind of optical fiber homogeneous state of stress bringing device according to claim 1 and 2, it is characterized in that, described optical fiber clamp structure includes the main body (12) and the rotatable fixed part (11) that are connected by rotating shaft (13), described main body (12) and fixed part (11) are equipped with arc-shaped concave at clamping part (14), for grip optical fiber.
5. a kind of optical fiber homogeneous state of stress bringing device according to claim 4, it is characterised in that described main body (12) and rotatable fixed part (11) are Magnet, by magnetic clamping optical fiber between the two.
6. a kind of optical fiber homogeneous state of stress bringing device according to claim 4, it is characterised in that line slide rail (3) is provided with protruding rail (31), and main body (12) bottom of described fiber clamp (1) is provided with the chute (121) matched with protruding rail (31).
7. a kind of optical fiber homogeneous state of stress bringing device according to claim 1, it is characterised in that described line slide rail (3) be connected with base (5).
8. a kind of optical fiber homogeneous state of stress bringing device according to claim 1, it is characterised in that described elastic deformation part (4) is extension spring or gum elastic.
9. a kind of optical fiber homogeneous state of stress bringing device according to claim 6, it is characterised in that described extension spring is positioned at the middle part of fiber clamp, and is positioned at the lower section of optical fiber clamping part (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283892.XA CN105739021B (en) | 2016-05-03 | 2016-05-03 | A kind of optical fiber homogeneous state of stress bringing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283892.XA CN105739021B (en) | 2016-05-03 | 2016-05-03 | A kind of optical fiber homogeneous state of stress bringing device |
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| Publication Number | Publication Date |
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| CN105739021A true CN105739021A (en) | 2016-07-06 |
| CN105739021B CN105739021B (en) | 2019-05-24 |
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| CN201610283892.XA Active CN105739021B (en) | 2016-05-03 | 2016-05-03 | A kind of optical fiber homogeneous state of stress bringing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625544A (en) * | 2019-10-09 | 2019-12-31 | 南通光烁通信设备有限公司 | Optical fiber clamping device |
| CN111427127A (en) * | 2020-05-12 | 2020-07-17 | 交通运输部天津水运工程科学研究所 | Optical fiber installation clamp suitable for flexible structure and use method thereof |
| CN115031652A (en) * | 2022-08-09 | 2022-09-09 | 中交第一公路勘察设计研究院有限公司 | Continuous optical fiber large deformation testing device and testing method |
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| EP1130430A1 (en) * | 1999-09-09 | 2001-09-05 | The Furukawa Electric Co., Ltd. | Screening mechanism for optical fiber fusion splicing device |
| CN1631616A (en) * | 2004-12-30 | 2005-06-29 | 暨南大学 | Optical fiber side edge polishing and grinding apparatus and its processing method |
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| CN102092132A (en) * | 2010-12-17 | 2011-06-15 | 哈尔滨工程大学 | Plastic optical fiber tapering device |
| CN202431874U (en) * | 2012-01-11 | 2012-09-12 | 昆山允升吉光电科技有限公司 | Stretching device |
| CN103309002A (en) * | 2013-06-17 | 2013-09-18 | 南昌大学 | Capillary sensitivity enhancing packaging device capable of applying prestress to fiber grating |
| CN205484981U (en) * | 2016-03-14 | 2016-08-17 | 邯郸学院 | Axial stress adjustable fiber fixing device |
| CN205720770U (en) * | 2016-05-03 | 2016-11-23 | 河北工业大学 | A kind of optical fiber homogeneous state of stress bringing device |
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2016
- 2016-05-03 CN CN201610283892.XA patent/CN105739021B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1184150A (en) * | 1997-09-11 | 1999-03-26 | Fujikura Ltd | Production of optical fiber grating and apparatus for producing the same |
| EP1130430A1 (en) * | 1999-09-09 | 2001-09-05 | The Furukawa Electric Co., Ltd. | Screening mechanism for optical fiber fusion splicing device |
| CN1631616A (en) * | 2004-12-30 | 2005-06-29 | 暨南大学 | Optical fiber side edge polishing and grinding apparatus and its processing method |
| WO2009099196A1 (en) * | 2008-02-07 | 2009-08-13 | Kozo Yamanoi | Mechanical splice |
| CN102092132A (en) * | 2010-12-17 | 2011-06-15 | 哈尔滨工程大学 | Plastic optical fiber tapering device |
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| CN103309002A (en) * | 2013-06-17 | 2013-09-18 | 南昌大学 | Capillary sensitivity enhancing packaging device capable of applying prestress to fiber grating |
| CN205484981U (en) * | 2016-03-14 | 2016-08-17 | 邯郸学院 | Axial stress adjustable fiber fixing device |
| CN205720770U (en) * | 2016-05-03 | 2016-11-23 | 河北工业大学 | A kind of optical fiber homogeneous state of stress bringing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625544A (en) * | 2019-10-09 | 2019-12-31 | 南通光烁通信设备有限公司 | Optical fiber clamping device |
| CN111427127A (en) * | 2020-05-12 | 2020-07-17 | 交通运输部天津水运工程科学研究所 | Optical fiber installation clamp suitable for flexible structure and use method thereof |
| CN115031652A (en) * | 2022-08-09 | 2022-09-09 | 中交第一公路勘察设计研究院有限公司 | Continuous optical fiber large deformation testing device and testing method |
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| CN105739021B (en) | 2019-05-24 |
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