CN207036028U - Fiber-optic twist degree measurement apparatus - Google Patents
Fiber-optic twist degree measurement apparatus Download PDFInfo
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- CN207036028U CN207036028U CN201720907904.1U CN201720907904U CN207036028U CN 207036028 U CN207036028 U CN 207036028U CN 201720907904 U CN201720907904 U CN 201720907904U CN 207036028 U CN207036028 U CN 207036028U
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- fibre holder
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- 238000005259 measurement Methods 0.000 title claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 88
- 239000013307 optical fiber Substances 0.000 claims abstract description 70
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 15
- 210000003739 neck Anatomy 0.000 claims description 15
- 230000003245 working effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a kind of fiber-optic twist degree measurement apparatus, including testboard, the fibre holder being arranged on testboard and put fine disk, put to be wound with fine disk and rub the optical fiber to be tested turned round with the hands, optical fiber to be tested penetrates that fibre holder is interior to be clamped by it from putting after debatching on fine disk；Testboard is provided with the slide rail of horizontal linear extension, and fibre holder has can be slided in slide rail two, and the fibre holder of one of them is provided with rotating driver, and rotating driver drives fibre holder to be rotated around the axis of itself；After two fibre holder synchronous clamping testing fibers, the fibre holder of one of them, which rotates, drives optical fiber back twist, and the fibre holder of rotation is provided with rotational angle collector.Fiber-optic twist degree measurement apparatus of the present utility model, measurement that can accurately, stable turns round the fiber-optic twist degree after device rubs torsion with the hands through rubbing with the hands, it may be used as assessing and rub the working effect use for turning round device with the hands, compared to the stability and accuracy that manual measurement can improve measurement result.
Description
Technical field
The utility model belongs to technical field of optical fiber measurement, and in particular to a kind of fiber-optic twist degree measurement apparatus.
Background technology
Optical fiber has become the main medium of information broadband transmission at present, and optical fiber telecommunications system will also turn into following state's letter from home
Cease the pillar of infrastructure.In today of information fast development, vast capacity, ultra-long span transmission technology is particularly important,
This just needs optical fiber to have better quality index.And directly affect a weight of signal transmission distance, transmission rate and capacity
Want index, be exactly the polarization mode dispersion of optical fiber (full name is Polarization Mode Dispersion, abbreviation PMD).In light
In fine production process, the non circularity of core of optical fiber, inside of optical fibre structure existing defects, additional stress caused by drawing process etc. because
Element can all cause the deterioration of fiber PMD.
Preform in drawing process in order to keep or improve the stability of fiber PMD index, typically by
The structure for improving prefabricated rods heating furnace controls optical fiber internal stress skewness, improves fiber PMD performance so as to reach.But
For the preform of the long wire drawing distance of large scale in the environment of high-speed wire-drawing, optical fiber produces internal stress or internal stress distribution not
This uniform problem is difficult to avoid that.Currently, each producer on wire drawing path using a stranding torsion device is installed, by giving light
The fibre method additionally reversed improves the distribution of optical fiber internal stress in drawing process, so as to keep or improve fiber PMD index
Stability.
How to examine optical fiber to rub with the hands and turn round device working effect, and it is monitored, accurately grasp to rub with the hands in real time and turn round operation feelings
Condition, and whether fiber PMD index is stablized for foundation judge according to this.At present, there is a kind of manual testing's method, but need
Three people, which cooperate, to complete, and is required for special messenger to go to clutch optical fiber head manually every time, ensures that fiber-optic twist is not released.In practical operation
In, every time the unwrapping wire to optical fiber, nip off that operation can be either large or small discharge the original distortion of optical fiber, and be not equipped with control
In the case of dial, the accuracy and stability of fiber-optic twist data can not be guaranteed.
The content of the invention
The utility model provides a kind of fiber-optic twist degree measurement dress that may be used as assessing the working effect for rubbing torsion device with the hands
Put, compared to the stability and accuracy that manual measurement can improve measurement result, save artificial input.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of fiber-optic twist degree measurement apparatus, including survey
Test stand, the fibre holder being arranged on testboard and fine disk is put, it is described to put the light to be tested for being wound with fine disk and rubbing with the hands and turning round
Fibre, optical fiber to be tested are clamped by it from putting to penetrate after debatching on fine disk in fibre holder；
The testboard be provided with horizontal linear extension slide rail, the fibre holder have can be slided in slide rail
Dynamic two, the fibre holder of one of them are provided with rotating driver, the rotating driver driving optical fiber clamping
Device rotates around the axis of itself；After the two fibre holder synchronous clamping testing fibers, the optical fiber clamping of one of them
Device, which rotates, drives optical fiber back twist, and the fibre holder of rotation is provided with rotational angle collector.
In a preferred embodiment of the present utility model, further comprise that the fibre holder has and wear fine pipe, it is described
Wear to be provided with fine pipe and wear fine passage for what optical fiber passed, described wear in fine passage is provided with valve block, and rotating the valve block can clamp
Or the release optical fiber.
In a preferred embodiment of the present utility model, further comprise that described wear is arranged with synchronous rotation outside fine pipe
Axle sleeve, be arranged with dial plate with a scale outside the axle sleeve, the rotational angle collector is arranged on axle sleeve；The axle sleeve with
Rotational angle collector described in fine pipe rotation process is worn to move on dial plate.
In a preferred embodiment of the present utility model, further comprise that described its bearing of trend of slide rail interior edge is sequentially provided with
First limited block, the second limited block and the 3rd limited block, the first sliding block is provided between first limited block and the second limited block,
The second sliding block is provided between second limited block and the 3rd limited block, first sliding block and the second sliding block can be along slide rails
Slide, two fibre holders are separately positioned on the first sliding block and the second sliding block.
In a preferred embodiment of the present utility model, further comprise the upper surface of first sliding block and the second sliding block
It is equipped with two necks of right-angled intersection, the infalls of two necks is provided with back-moving spring, described to wear fine pipe and be arranged on reset bullet
On spring.
In a preferred embodiment of the present utility model, further comprise that the testboard is provided with length measuring ruler, institute
State the first limited block and the 3rd limited block is arranged in the measures range of length measuring ruler.
In a preferred embodiment of the present utility model, further comprise that the testboard is provided with and wear fine ring, along described
Optical fiber passes direction, it is described wear fine ring and be arranged on put between fine disk and fibre holder.
The beneficial effects of the utility model are：Fiber-optic twist degree measurement apparatus of the present utility model, can accurately, stably
Measure and turn round the fiber-optic twist degree after device stranding is turned round through rubbing with the hands, may be used as assessing and rub the working effect use for turning round device with the hands, compared to people
Work measures the stability and accuracy that can improve measurement result, saves artificial input.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment technology, embodiment technology will be retouched below
The required accompanying drawing used is briefly described in stating, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of the utility model preferred embodiment；
Fig. 2 is the change in location schematic diagram of two fibre holders in measurement process；
Fig. 3 is the structural representation of the utility model preferred embodiment slide rail；
Fig. 4 is the structural representation of the utility model preferred embodiment sliding block；
Fig. 5 is the combination diagram of the utility model preferred embodiment fibre holder and dial plate.
Wherein：1- optical fiber；
2- testboards, 4- fibre holders, 6- put fine disk, 8- slide rails, 10- rotating drivers, the collection of 12- rotational angles
Device, 14- wear fine disk, 16- valve blocks, 18- axle sleeves, 20- dial plates, the limited blocks of 22- first, the limited blocks of 24- second, and 26- the 3rd is spacing
Block, the sliding blocks of 28- first, the sliding blocks of 30- second, 32- necks, 34- length measuring rulers, 36- wear fine ring.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment
Disclose a kind of fiber-optic twist degree measurement apparatus as shown in Fig. 1,3-5, in the present embodiment, including testboard 2, be all provided with
Put the fibre holder on testboard 2 and put fine disk 6；The optical fibre winding to be tested turned round is rubbed with the hands on fine disk 6 is put, puts fine disk 6
Hung up by pay off rack on testboard 2, optical fiber to be tested is pressed from both sides by it from putting to penetrate after debatching on fine disk 6 in fibre holder
Tightly；
Above-mentioned testboard 2 is provided with the slide rail 8 of horizontal linear extension, and above-mentioned fibre holder has can be in slide rail
Two slided, respectively the first fibre holder 4 and the second fibre holder 5, wherein, the first fibre holder 4 is provided with
Rotating driver 10, above-mentioned rotating driver 10 drive the first fibre holder 4 to be rotated around the axis of itself；Two above-mentioned fibre clips
After holder synchronous clamping testing fiber 1, the first fibre holder 4, which rotates, drives the back twist of optical fiber 1, above-mentioned first fibre holder 4
It is provided with rotational angle collector 12.
As shown in figure 5, the structure of two fibre holders is identical, it is respectively provided with and wears fine pipe 14, above-mentioned wear in fine pipe 14 is provided with
Fine passage is worn for what optical fiber 1 passed, wears fine passage axial direction linear extension, above-mentioned wear is provided with valve block 16, rotated above-mentioned in fine passage
Valve block 16 can clamp or discharge above-mentioned optical fiber 1.
It is above-mentioned to wear the axle sleeve 18 that synchronous rotation is arranged with outside fine pipe 14, it is arranged with table with a scale outside above-mentioned axle sleeve 18
Disk 20, above-mentioned rotational angle collector 12 are arranged on axle sleeve 18；Above-mentioned axle sleeve 18 is with wearing in the fine rotation process of pipe 14 above-mentioned turn
Dynamic angle acquisition device 12 moves on dial plate 20.In the present embodiment technical scheme, rotational angle collector 12 is preferably arranged on
Pointer on first fibre holder 4, the pointer in the rotation process of the first fibre holder 4 thereon move on dial plate 20.From
The angle that rotational angle collector 12 rotates can be accurately seen on dial plate with a scale rapidly, that is, can from dial plate
Directly read the torsion resistance of print optical fiber.
For set a distance moving fiber clamper, the scope of activities of limit fibre clamper, extend along in above-mentioned slide rail 8
Direction is sequentially provided with the first limited block 22, the second limited block 24 and the 3rd limited block 26, and above-mentioned first limited block 22 and second limits
The first sliding block 28 is provided between the block 24 of position, the second sliding block 30 is provided between the above-mentioned limited block 26 of second limited block 24 and the 3rd, on
Stating the first sliding block 28 and the second sliding block 30 can slide along slide rail 8, the above-mentioned fibre holder of first fibre holder 4 and second
5 are separately positioned on the first sliding block 28 and the second sliding block 30.
As shown in figure 4, the upper surface of the above-mentioned sliding block 30 of first sliding block 28 and second is equipped with two necks of right-angled intersection
32, the infalls of two necks 32 is provided with back-moving spring, above-mentioned to wear fine pipe 14 and be arranged on back-moving spring.Fibre holder positions
It is worn fine pipe 14 and is fastened in neck 32, it is necessary to when adjusting the pose for wearing fine pipe 14 afterwards, it is taken out out of neck 32, pose is adjusted
It is placed again into after whole end in neck 32, on the one hand back-moving spring contributes to vertical to wear fine pipe 14 and be quickly caught in neck 32
It is interior, on the other hand, wear after fine pipe 14 is caught in neck and apply certain pulling force to it, avoid it from being scurried out out of neck 32.
In the present embodiment technical scheme, after two fibre holder synchronous clamping sample optical fiber 1, both have two synchronizations
The change of pose, one is horizontal positioned, and one is to be disposed vertically.Two fibre holders wears the fine water of pipe 14 under original state
The clamping sample optical fiber of placing flat；Sample optical fiber 1 is naturally drooped in after certain radian, two fibre holders to wear fine pipe 14 same
Walk the clamping sample optical fiber being rotated by 90 °.Two necks 32 of the right-angled intersection set on sliding block upper surface are respectively used to card and set water
Wearing fine pipe 14 and rotating clockwise for level state wears fine pipe 14 after 90 °.
Above-mentioned testboard 2 is provided with length measuring ruler 34, and the above-mentioned limited block 26 of first limited block 22 and the 3rd is arranged on length
Spend in the measures range of measuring ruler 34.In actual measurement process, it usually needs test torsion resistance is carried out to the optical fiber of certain length,
Such as, it is desirable to the optical fiber of 1m or 2m length is tested, now, designs what is be spaced between the first limited block 22 and the 3rd limited block 26
Distance is 1m or 2m, and the first limited block 22 and the 3rd limited block 26 can be very easily determined by length measuring ruler 34
Fixed position.
Will not be automatically sagging in order to ensure being connected in the optical fiber put on fine disk 6 in test process, above-mentioned testboard 2 is provided with and worn
Fine ring 36, along the direction that passes of above-mentioned optical fiber, it is above-mentioned wear fine ring 36 and be arranged on put between fine disk 6 and fibre holder.
As shown in Fig. 2 the torsion resistance measurement apparatus of above structure, its measurement process are as follows：
(1) optical fibre winding to be tested turned round will be rubbed with the hands on fine disk 6 is put, fine disk 6 will be put and hang up the unwrapping wire on testboard 2
On frame；
(2) the first sliding block 28 and the position of the limited block 22 of the second sliding block 30 to the first and the 3rd limited block 26 are moved respectively,
First fibre holder 4 and the second fibre holder 5 are separately positioned on the first sliding block 28 and the second sliding block 30, rotate the first light
The fine fibre holder 5 of clamper 4 and second causes both to wear the horizontally disposed neck for being fastened on shoe surface of fine pipe 14
In 32；
(3) pick and place the sample optical fiber on fine disk 6 after debatching and pass fine ring 36, the second fibre holder 5 and first successively
Fibre holder 4, start the first fibre holder 4 and the synchronous clamping sample optical fiber of the second fibre holder 5, be now placed in first
Sample optical fiber between the fibre holder 5 of fibre holder 4 and second stretches setting；
(4) second sliding blocks 30 move to the direction of the second limited block 24, the first fibre clip in the moving process of the second sliding block 30
After sample optical fiber between the fibre holder 5 of holder 4 and second naturally droops certain radian, synchronously turn clockwise the first optical fiber
590 ° of 4 and second fibre holder of clamper；
(5) the natural torsional direction of sagging sample optical fiber is observed, rotating driver 10 drives the first fibre holder 4 with sample
The opposite direction of product optical fiber nature torsional direction rotates, until least significant end and the bearing of trend of slide rail 8 that sample optical fiber naturally droops
Parallel (namely in horizontal linear state), the angle, θ that now rotational angle collector 12 rotates on dial plate 22 is sample
The torsion resistance of product optical fiber.
In the present embodiment technical scheme, sample optical fiber is all clamped in whole test process, and need not be blocked, and will not be released
Original distortion is put, greatly improves the stability and accuracy of test result, can continuously measure entire volume optical fiber.
In order to exclude to put interference and influence of the fine disk 6 on fiber-optic twist degree during counter offer, in step (1), fibre will be put
The optical fiber external end head wound on disk 6 removes 20m, and the optical fiber after external end head is removed into 20m is as sample optical fiber to be tested.
In order to ensure the length of the sample optical fiber measured every time is consistent, after step (5) terminates,
(6) rotate the first fibre holder 4 and the second fibre holder 5 cause both fine pipes 14 of wearing to be horizontally disposed with,
First fibre holder 4 discharges sample optical fiber, and pull sample optical fiber causes sample optical fiber to be cut at the second fibre holder 5
It is disconnected；Now what the second fibre holder 5 clamped is the termination of next sample optical fiber；
(7) second fibre holders 5 discharge the termination of next sample optical fiber, are pulled to the direction of the first fibre holder 4
Next sample optical fiber, the first fibre holder 4 clamp the termination of next sample optical fiber, and mobile second sliding block 30 drives second
Fibre holder 5 is reset to the position of the 3rd limited block 26, is prepared for the test of next sample optical fiber.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.This
Utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and novelty
The consistent most wide scope of feature.
Claims (7)
- A kind of 1. fiber-optic twist degree measurement apparatus, it is characterised in that：Clamped including testboard, the optical fiber being arranged on testboard Device and put fine disk, described to put the optical fiber to be tested for being wound with fine disk and rubbing with the hands and turning round, optical fiber to be tested is worn on fine disk after debatching from putting Enter and clamped in fibre holder by it；The testboard is provided with the slide rail of horizontal linear extension, and the fibre holder has what can be slided in slide rail Two, the fibre holder of one of them is provided with rotating driver, the rotating driver driving fibre holder around The axis of itself rotates；After the two fibre holder synchronous clamping testing fibers, the fibre holder of one of them turns Dynamic to drive optical fiber back twist, the fibre holder of rotation is provided with rotational angle collector.
- 2. fiber-optic twist degree measurement apparatus according to claim 1, it is characterised in that：The fibre holder, which has, wears fibre Pipe, described wear in fine pipe wear fine passage provided with what is passed for optical fiber, and described wear in fine passage is provided with valve block, rotates the valve block energy Enough clamp or discharge the optical fiber.
- 3. fiber-optic twist degree measurement apparatus according to claim 2, it is characterised in that：It is described wear fine pipe it is outer be arranged with and its The axle sleeve of synchronous axial system, the axle sleeve are arranged with dial plate with a scale outside, and the rotational angle collector is arranged on axle sleeve；Institute State axle sleeve and moved with rotational angle collector described in fine pipe rotation process is worn on dial plate.
- 4. fiber-optic twist degree measurement apparatus according to claim 2, it is characterised in that：Described its bearing of trend of slide rail interior edge The first limited block, the second limited block and the 3rd limited block are sequentially provided with, is provided between first limited block and the second limited block First sliding block, is provided with the second sliding block between second limited block and the 3rd limited block, first sliding block and the second sliding block are equal It can be slided along slide rail, two fibre holders are separately positioned on the first sliding block and the second sliding block.
- 5. fiber-optic twist degree measurement apparatus according to claim 4, it is characterised in that：First sliding block and the second sliding block Upper surface be equipped with two necks of right-angled intersection, the infalls of two necks is provided with back-moving spring, described to wear fine pipe and set On back-moving spring.
- 6. fiber-optic twist degree measurement apparatus according to claim 4, it is characterised in that：The testboard is provided with length gauge Gage, first limited block and the 3rd limited block are arranged in the measures range of length measuring ruler.
- 7. fiber-optic twist degree measurement apparatus according to claim 1, it is characterised in that：The testboard is provided with and wears fibre Ring, along the direction that passes of the optical fiber, it is described wear fine ring and be arranged on put between fine disk and fibre holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720907904.1U CN207036028U (en) | 2017-07-25 | 2017-07-25 | Fiber-optic twist degree measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720907904.1U CN207036028U (en) | 2017-07-25 | 2017-07-25 | Fiber-optic twist degree measurement apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN207036028U true CN207036028U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720907904.1U Expired - Fee Related CN207036028U (en) | 2017-07-25 | 2017-07-25 | Fiber-optic twist degree measurement apparatus |
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| Country | Link |
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| CN (1) | CN207036028U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238342A (en) * | 2017-07-25 | 2017-10-10 | 江苏亨通光纤科技有限公司 | Fiber-optic twist degree measurement apparatus and its measuring method |
| CN109115465A (en) * | 2018-10-15 | 2019-01-01 | 西安西古光通信有限公司 | A kind of optical fiber twisted effect detection device and detection method |
| CN112880969A (en) * | 2021-03-01 | 2021-06-01 | 长飞光纤光缆股份有限公司 | Device and method for testing surface properties of optical fiber |
-
2017
- 2017-07-25 CN CN201720907904.1U patent/CN207036028U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238342A (en) * | 2017-07-25 | 2017-10-10 | 江苏亨通光纤科技有限公司 | Fiber-optic twist degree measurement apparatus and its measuring method |
| CN107238342B (en) * | 2017-07-25 | 2022-12-06 | 江苏亨通光纤科技有限公司 | Optical fiber torsion measuring device and measuring method thereof |
| CN109115465A (en) * | 2018-10-15 | 2019-01-01 | 西安西古光通信有限公司 | A kind of optical fiber twisted effect detection device and detection method |
| CN112880969A (en) * | 2021-03-01 | 2021-06-01 | 长飞光纤光缆股份有限公司 | Device and method for testing surface properties of optical fiber |
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Granted publication date: 20180223 |