CN105739021B - A kind of optical fiber homogeneous state of stress bringing device - Google Patents
A kind of optical fiber homogeneous state of stress bringing device Download PDFInfo
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- CN105739021B CN105739021B CN201610283892.XA CN201610283892A CN105739021B CN 105739021 B CN105739021 B CN 105739021B CN 201610283892 A CN201610283892 A CN 201610283892A CN 105739021 B CN105739021 B CN 105739021B
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- Prior art keywords
- optical fiber
- 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 present invention relates to measuring techniques for optical fiber fields, specifically disclose a kind of optical fiber homogeneous state of stress bringing device, including fiber clamp, elastic deformation part, fixed frame and line slide rail, the fiber clamp and fixed frame are separately fixed at the both ends on the line slide rail in opposite directions, the fiber clamp includes optical fiber clamp structure and slide block structure, can grip optical fiber slided on line slide rail, the both ends of the elastic deformation part are separately fixed on the fiber clamp and fixed frame, and fiber clamp can be made to be opposite in fixed frame movement on line slide rail.The present invention can apply the stress of continuous uniform to optical fiber, so that optical fiber is in stable tensional state, fiber optic communication is avoided to be interfered by applied stress, guarantee test optical fiber quality.
Description
Technical field
The present invention relates to measuring techniques for optical fiber fields.
Background technique
Optical fiber is the abbreviation of optical fiber.Fiber optic communication is using light wave as information carrier, using optical fiber as transmission matchmaker
A kind of communication mode being situated between.In order to study and improve quality of optical fiber communication, need to make optical fiber various Experiments of Optics.It is more in experiment
It is required that optical fiber is in tensional state, so must apply certain homogeneous state of stress to optical fiber.
Currently, the device that optical fiber applies stress is varied, and it is to take one section of optical fiber in the optical path put up mostly, one
End is clamped in fibre clip, and the other end is lain on another optical fibre frame, and the counterweight of certain mass is hung up beside this fibre clip,
Optical fiber is set to be constantly in tensional state.Since counterweight is in vacant state, it is easy to shake, the dynamics for generating stress is uneven,
It is easy to break optical fiber.For example, suspension counterweight mode is easy to break optical fiber, while counterweight when writing long-period fiber grating processed
Optical fiber minute movement is driven during shaking, and leads to slant optical fiber, the energy for projecting optical fiber is uneven, and then easily causes optical fiber
The bad results such as grating writes low efficiency processed, and stability is poor, and 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 devices, can apply to optical fiber and connect
Continue uniform stress, so that optical fiber is in stable tensional state, fiber optic communication is avoided to be interfered by applied stress, guarantees that optical fiber is surveyed
Try quality.
In order to solve the above technical problems, 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 frame and line slide rail, the fiber clamp and fixed frame are separately fixed at institute in opposite directions
State the both ends on line slide rail, the fiber clamp includes optical fiber clamp structure and slide block structure, can grip optical fiber in straight line
It is slided on sliding rail, the both ends of the elastic deformation part are separately fixed on the fiber clamp and fixed frame, can make fibre clip
Tool is opposite in fixed frame movement on line slide rail.
The working principle of apparatus of the present invention is, at respectively clamp optical fiber with fiber clamp and fixed frame respectively one, stores in advance
When the elastic deformation part of energy releases energy, fiber clamp is pulled to be opposite in fixed frame movement, so that optical fiber is located at except apparatus of the present invention
Part stretch therewith, after elastic deformation part stress balance, fiber clamp and fixed frame relative position are fixed so that be located at this
Stress of the optical fiber by continuous uniform except invention device.
The fixed frame also includes optical fiber clamp structure.
Preferably, the line of the optical fiber of fiber clamp and fixed frame clamping central point is parallel with the line slide rail.
Further, the optical fiber clamp structure includes the main body by shaft connection and rotatable fixed part, the main body
It is equipped with arc-shaped concave in clamping part with fixed part, is used for grip optical fiber.
The main body and rotatable fixed part are magnet, pass through magnetic clamping optical fiber between the two.
Line slide rail is equipped with protruding rail, and the lower body part of the fiber clamp is equipped with the sliding slot to match with protruding rail.
The lower section of the line slide rail is equipped with pedestal.
The elastic deformation part is extension spring or elastic rubber.
The extension spring is located at the middle part of fiber clamp, and is located at the lower section of optical fiber clamping part.
The beneficial effects of adopting the technical scheme are that the present invention applies fiber clamp using elastic deformation part
Power applies tensile stress to optical fiber indirectly, due to elastic deformation part, especially extension spring, has certain cushion performance, optical fiber
Larger tensile stress will not be received moment, avoid optical fiber by the excessive damage of momentum；Optical fiber is fixed on fiber clamp, due to optical fiber
Fixture can only be for linear motion on line slide rail, therefore optical fiber will not be made to generate shaking, so that it is guaranteed that optic fibre force is stablized simultaneously
And not run-off the straight, guarantee Experiments in Fibre Optical accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram 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 frame and line slide rail in Fig. 1.
Wherein, 1, fiber clamp；2, fixed frame；3, line slide rail；4, elastic deformation part；5, pedestal；11, fixed part；12,
Main body；13, shaft；14, clamping part；31, protruding rail；121, sliding slot.
Specific embodiment
The present invention be solve prior art Experiments in Fibre Optical in using weight stretching optical fiber be easy to cause fibercuts, shake and
The problem of inclination, provides a kind of optical fiber homogeneous state of stress bringing device, passes through the fiber clamp and elasticity moved along line slide rail
Deformation part guarantees that stress suffered by optical fiber is continuous uniform, occurs that optical fiber not instead of the optical fibre frame and weight of the prior art
It breaks, in reliable and stable tensional state.
The present invention will be further explained below with reference to the attached drawings.
A kind of optical fiber homogeneous state of stress bringing device, including fiber clamp 1, elastic deformation part 4, fixed frame 2 and line slide rail
3, fiber clamp 1 and fixed frame 2 are separately fixed at the both ends on line slide rail 3 in opposite directions, and fiber clamp 1 includes optical fiber clamp structure
And slide block structure, can grip optical fiber slided on line slide rail 3, the both ends of elastic deformation part 4 are separately fixed at fiber clamp 1
On fixed frame 2, fiber clamp 1 can be made to be opposite in the movement of fixed frame 2 on line slide rail 3.Elastic deformation part 4 is to stretch bullet
Spring.
Fiber clamp 1 is equipped with otic placode, and the end of extension spring penetrates otic placode and is fixedly connected with fiber clamp 1, can also be straight
It connects using metal stretching spring, its both ends is directly welded on fiber clamp 1.
Fixed frame 2 also includes optical fiber clamp structure.The optical fiber of fiber clamp 1 and fixed frame 2 clamp central point line with
Line slide rail 3 is parallel.So that optical fiber direction of pull is parallel with line slide rail 3, fiber clamp 1 is both secured on line slide rail 3, no
The shaking except direction of pull can occur, guarantee optical fiber not run-off the straight, institute's tension stress is not easily susceptible to disturb, and guarantees that pulling force connects
Continuous to stablize, there is a situation where stress intensity variations to lead to fibercuts.
The application method of apparatus of the present invention is, is fixedly clamped at the one of optical fiber, is clamped with fixed frame 2 solid with fiber clamp 1
Determine a side end of optical fiber, adjust the position of fiber clamp 1, extension spring is made to be in tensile elongation state, extension spring elongation
Length afterwards be slightly less than or equal to optical fiber between fiber clamp 1 and fixed frame 2 length, unclamp extension spring, fiber clamp 1 by
Extension spring pulling force is opposite in the movement of fixed frame 2, so that the part that optical fiber is located at except apparatus of the present invention is stretched therewith, to elasticity
After 4 stress balance of deformation part, fiber clamp 1 and 2 relative position of fixed frame are fixed, so that being located at the optical fiber except apparatus of the present invention
Stress by continuous uniform.
The optical fiber clamp structure of further improvement to the technical program, fiber clamp 1 and fixed frame 2 includes by shaft 13
The main body 12 and rotatable fixed part 11 of connection, main body 12 and fixed part 11 are equipped with arc-shaped concave in clamping part 14, for pressing from both sides
Hold optical fiber.Main body 12 and rotatable fixed part 11 are magnet, pass through magnetic clamping optical fiber between the two.Optical fiber fitting is put in
On the arc-shaped concave of main body 12, rotation fixed part 11 is closed close, attracting each other between fixed part 11 and main body 12 with main body 12
Magnetic force optical fiber is fixed and clamped.1 structure of fiber clamp is simple and convenient to operate.The main body 12 of fixed frame 2 is directly anchored to directly
Motionless on line sliding rail 3, fixed form, which uses, the modes such as welds, is bolted.
Fiber clamp 1 and line slide rail 3 use the sliding connection structure of protruding rail 31 and sliding slot 121, wherein line slide rail 3
It is equipped with protruding rail 31,12 lower part of main body of fiber clamp 1 is equipped with the sliding slot 121 to match with protruding rail 31.Protruding rail 31 penetrates sliding slot
In 121, the linear slide on 31 direction of protruding rail is realized, the longitudinal section of protruding rail 31 is up big and down small wedge shape, can guarantee optical fiber
Fixture 1 slides steadily.Fiber clamp 12 is fixed on one end of line slide rail 3 by the way of bolt or welding.
The lower section of line slide rail 3 is equipped with pedestal 5.Pedestal 5 be it is trapezoidal, make 3 supporting & stablizing of line slide rail.Line slide rail 3 is answered
It does not shake with the movement of fiber clamp 1 or elastic deformation part 4.Therefore, line slide rail 3 should have certain self weight or the bottom of by
Seat is fixed on testboard.
Preferably, extension spring is located at the middle part of fiber clamp 1, and it is located at the lower section of optical fiber clamping part 14, makes optical fiber
Fixture 1 is by tension balanced.
A kind of optical fiber homogeneous state of stress bringing device provided by the invention is described in detail above, is applied in the present invention
Specific case is expounded embodiments of the present invention, the present invention that the above embodiments are only used to help understand,
It should be pointed out that those of ordinary skill in the art, it without departing from the principle of the present invention, can also be to the present invention
Several improvement are carried out, these improvement are also fallen within the protection scope of the claims of the present invention.
Claims (7)
1. a kind of optical fiber homogeneous state of stress bringing device, it is characterised in that: including fiber clamp (1), elastic deformation part (4), fix
Frame (2) and line slide rail (3), the fiber clamp (1) and fixed frame (2) are separately fixed in opposite directions on the line slide rail (3)
Both ends, the fiber clamp (1) includes optical fiber clamp structure and slide block structure, can grip optical fiber on line slide rail (3)
Sliding, the both ends of the elastic deformation part (4) are separately fixed on the fiber clamp (1) and fixed frame (2), can make optical fiber
Fixture (1) is opposite in fixed frame (2) movement on line slide rail (3), and the elastic deformation part (4) is extension spring or elastic rubber
Glue.
2. a kind of optical fiber homogeneous state of stress bringing device according to claim 1, which is characterized in that the fixed frame (2)
Including optical fiber clamp structure.
3. a kind of optical fiber homogeneous state of stress bringing device according to claim 2, which is characterized in that fiber clamp (1) and solid
The line for determining the optical fiber clamping central point of frame (2) is parallel with the line slide rail (3), and the lower section of the line slide rail (3) is equipped with
Pedestal (5).
4. a kind of optical fiber homogeneous state of stress bringing device according to claim 1 or 2, which is characterized in that the optical fiber clamping
Structure includes by the main body (12) and rotatable fixed part (11), the main body (12) and rotatable fixed part of shaft (13) connection
(11) it is equipped with arc-shaped concave in clamping part (14), is used for grip optical fiber.
5. a kind of optical fiber homogeneous state of stress bringing device according to claim 4, which is characterized in that the main body (12) and can
Rotating fixed part (11) is magnet, passes through magnetic clamping optical fiber between the two.
6. a kind of optical fiber homogeneous state of stress bringing device according to claim 4, which is characterized in that line slide rail is set on (3)
Have protruding rail (31), main body (12) lower part of the fiber clamp (1) is equipped with the sliding slot (121) to match with protruding rail (31).
7. a kind of optical fiber homogeneous state of stress bringing device according to claim 1, which is characterized in that the extension spring is located at
The middle part of fiber clamp, and it is located 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN105739021A CN105739021A (en) | 2016-07-06 |
| CN105739021B true 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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Families Citing this family (2)
| 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 |
| CN115031652B (en) * | 2022-08-09 | 2022-11-08 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3859836B2 (en) * | 1997-09-11 | 2006-12-20 | 株式会社フジクラ | Manufacturing method of optical fiber grating |
| JP3345856B2 (en) * | 1999-09-09 | 2002-11-18 | 古河電気工業株式会社 | Screening mechanism of optical fiber fusion splicer |
| CN100473494C (en) * | 2004-12-30 | 2009-04-01 | 暨南大学 | Optical fiber side edge polishing and grinding apparatus and processing method thereof |
| JP4208256B1 (en) * | 2008-02-07 | 2009-01-14 | 耕三 山野井 | Floating mechanical splice |
| CN102092132B (en) * | 2010-12-17 | 2013-02-27 | 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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