CN109407214B - Device and method for welding fibers with different fiber core diameters - Google Patents
Device and method for welding fibers with different fiber core diameters Download PDFInfo
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- CN109407214B CN109407214B CN201710706088.2A CN201710706088A CN109407214B CN 109407214 B CN109407214 B CN 109407214B CN 201710706088 A CN201710706088 A CN 201710706088A CN 109407214 B CN109407214 B CN 109407214B
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- 239000000835 fiber Substances 0.000 title claims abstract description 143
- 238000003466 welding Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000013307 optical fiber Substances 0.000 claims abstract description 119
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 238000005253 cladding Methods 0.000 claims description 16
- 238000007526 fusion splicing Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims 2
- 238000007500 overflow downdraw method Methods 0.000 claims 1
- 230000004927 fusion Effects 0.000 abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000003381 stabilizer Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 10
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
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- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention provides a device and a method for welding fibers with different fiber core diameters, which can weld two fiber core diameter fibers, wherein the device comprises: the device comprises a display, a controller, a high-voltage source, a discharge electrode and a core adjusting device; the core adjusting device comprises: welding grooves and pressing blocks; wherein, the welding groove includes: the first connecting groove and the second connecting groove; the first connecting groove is used for accommodating the fiber core of the first optical fiber, the second connecting groove is used for accommodating the fiber core of the second optical fiber, and the fiber core diameter of the first optical fiber is larger than that of the second optical fiber; the briquetting has first stabilizer blade, second stabilizer blade, and first stabilizer blade is co-altitude with the second stabilizer blade. When in fusion connection, the fiber core of the first optical fiber is arranged in the first connecting groove, and the first support leg is pressed on the fiber core of the first optical fiber to limit the movement of the fiber core of the first optical fiber; the fiber core of the second optical fiber is arranged in the second connecting groove, the second supporting leg is pressed on the fiber core of the second optical fiber, the movement of the fiber core of the second optical fiber is limited, and the utilization rate of the ribbon fiber fusion splicer and the production efficiency and quality of fusion splice products can be improved.
Description
Technical Field
The invention relates to a device and a method for welding ribbon fibers, in particular to a device and a method for welding ribbon fibers with different fiber core diameters.
Background
The existing ribbon fiber fusion splicer comprises: display, controller, high voltage source, discharge electrode, aligning device etc. device, aligning device includes: the device such as butt fusion groove, briquetting, but ordinary tape fiber butt fusion machine only can satisfy the optic fibre to the same fiber core diameter and weld, if use current tape fiber machine to directly weld the optic fibre of fiber core diameter difference, its splice point's optical loss is high, can not satisfy the demand of product.
The current optical fiber coupling is carried out by using a 3 mu m and 9 mu m single coupling technology, the technology uses a fusion splicer to couple one 3 mu m optical fiber and one 9 mu m optical fiber through discharge of the fusion splicer, and when the coupling fusion splices the ribbon fiber comprising a plurality of optical fibers, the operation process is quite tedious, time-consuming, low in working efficiency, low in success rate and high in optical loss of a finished product, the production cost of the product is increased, and the popularization of the product is influenced.
In order to improve the limitation of the existing ribbon fiber adopting a single 3 μm+9 μm coupling technology, a ribbon fiber coupling device needs to be improved and a ribbon fiber coupling technology of 3 μm+9 μm needs to be developed.
Disclosure of Invention
The invention aims to provide a device and a method for welding fibers with different fiber core diameters, which can weld two fiber core diameter fibers, and improve the utilization rate of a fiber-carrying welding machine and the production efficiency and quality of welded products.
The device for welding the fibers with different fiber core diameters comprises: the device comprises a display, a controller, a high-voltage source, a discharge electrode and a core adjusting device; the core adjusting device comprises: welding grooves and pressing blocks; wherein,
The welding groove includes: the length of the first connecting groove is smaller than that of the second connecting groove; the first connecting groove is used for accommodating the fiber core of the first optical fiber, the second connecting groove is used for accommodating the fiber core of the second optical fiber, and the fiber core diameter of the first optical fiber is larger than that of the second optical fiber;
The pressing block is provided with a first supporting leg and a second supporting leg, when the first supporting leg and the second supporting leg are at the same height and are welded, the fiber core of the first optical fiber is arranged in the first connecting groove, and the first supporting leg is pressed on the fiber core of the first optical fiber to limit the movement of the fiber core of the first optical fiber; the fiber core of the second optical fiber is arranged in the second connecting groove, and the second support leg is pressed on the fiber core of the second optical fiber to limit the movement of the fiber core of the second optical fiber.
Preferably, the first weld groove length is 30% of the second weld groove length.
Preferably, the length of the first supporting leg is smaller than or equal to the length of the first connecting groove, when the first supporting leg is pressed on the first connecting groove, the first supporting leg only covers all or part of the area of the first connecting groove, does not cover the area outside the first connecting groove, does not cause the deformation of the fiber core of the first optical fiber, and can improve the welding effect.
Preferably, the first connecting groove is fixed on the base, and the first connecting groove is fixedly connected on the base or is of an integrated structure.
More preferably, the first stabilizer blade outside is equipped with the auxiliary foot, the bottom of auxiliary foot and the bottom of first stabilizer blade have the difference in height, this difference in height equals the surrounding layer thickness of first optic fibre, auxiliary foot and first stabilizer blade rigid coupling or integrated into one piece structure, the difference in height of auxiliary foot and first stabilizer blade has formed the step spacing, during the use, first water receiving slot is arranged in to the fiber core of first optic fibre, first stabilizer blade is pressed on the fiber core of first optic fibre, the fiber core of first optic fibre has been restricted and the removal, auxiliary foot is pressed on the first optic fibre of arranging in the base, the removal of the first optic fibre of non-peeling surrounding layer can not arouse the fiber core deformation of first optic fibre, simultaneously better fixed first optic fibre, the welding effect has been promoted.
The welding device for the ribbon fibers with different fiber core diameters has the following beneficial effects: the use frequency and the efficiency of the ribbon fiber fusion splicer are enhanced, the production efficiency of producing ribbon fibers (such as 3um+9um) with different fiber core diameters is improved, and the practical popularization of ribbon fibers (such as 3um+9um) with different fiber core diameters is accelerated.
The invention also provides a welding method for the ribbon fibers with different fiber core diameters by using the welding device, which comprises the following steps:
stripping the first and second optical fibers, wherein the stripped end of the first optical fiber is shorter than the stripped end of the second optical fiber;
Placing the fiber core of the first optical fiber in the first connecting groove, enabling the outer cladding of the first optical fiber to prop against the outer side wall of the first connecting groove, and limiting the movement of the fiber core of the first optical fiber through the first support leg of the pressing block;
placing the fiber core of the second optical fiber in the second connecting groove, enabling the outer cladding of the second optical fiber to prop against the outer side wall of the second connecting groove, and limiting the movement of the fiber core of the second optical fiber through the second support leg of the pressing block;
and setting and adjusting parameters of a fusion welding machine to perform discharge fusion welding.
Preferably, when the auxiliary leg is arranged outside the first supporting leg of the welding device, the method further comprises the following steps of: after the core of the first optical fiber is placed in the first receiving groove, the auxiliary foot is pressed on the first optical fiber placed on the base, so that the movement of the first optical fiber without the outer cladding layer being stripped is limited.
Preferably, the parameters are set as follows: 25-35 s of discharge time, 0.1-0.4 s of pre-discharge time, 15-25 um of discharge interval, 20-30 um of propulsion, 46-54 step of discharge intensity and 280-290 doc of discharge position.
The invention has the beneficial effects that: 1. compared with the prior single optical fiber coupling, the invention has certain operation convenience, and the finished product with the fiber provides convenience for the processing of the later-stage product, and the optical fiber is not easy to damage;
2. the invention welds the ribbon fibers, improves the working efficiency compared with the welding of single optical fibers, and simultaneously doubles the yield;
3. The fusion splice with the fiber has lower optical loss than the fusion splice of a single fiber, can improve the utilization rate of light to a certain extent, and can fully utilize the fiber materials.
Compared with the existing 3 mu m+9 mu m single coupling technology, the optical loss of the product is reduced, and the light transmitted in the optical fiber can be fully utilized, so that the effective utilization rate of the light is improved; the original single welding is changed into multiple welding, the production efficiency is improved by N times, the production efficiency of products is also greatly improved, a large amount of labor force required by mass production is overcome, the production cost is reduced, and the method is easier to popularize in the market.
Drawings
FIG. 1 is a schematic view of an apparatus for fusion splicing of ribbons of different core diameters;
FIG. 2 is a schematic view of an optical fiber disposed in a fusion splice tray;
FIG. 3 is a schematic view of an embodiment of a press block pressing an optical fiber;
FIG. 4 is a schematic cross-sectional view of an embodiment of a press block pressing an optical fiber;
FIG. 5 is a schematic view of another embodiment of a press block pressing an optical fiber;
FIG. 6 is a schematic cross-sectional view of another embodiment of a press block pressing an optical fiber.
Description of main reference numerals:
1. Controller for controlling a power supply
2. Display device
3. High pressure source
4. Discharge electrode
5. Core adjusting device
51. Welding groove
51A first receiving groove
51B second receiving groove
51C first joint groove length
51D second joint groove length
51E base
52. Briquetting machine
52A first leg
52B second leg
52C auxiliary foot
61. First optical fiber
62. Second optical fiber
61D core diameter of first fiber
62D core diameter of the second fiber
7. Machine table
H outer cladding thickness
Detailed Description
In order to facilitate the understanding and practice of the present invention by those of ordinary skill in the art, the fusion splice apparatus and method of different core diameter ribbon fibers of the present invention will be further described with reference to the accompanying drawings and specific examples.
An apparatus for fusion splicing tapes of different core diameters as shown in fig. 1, comprising: the welding device comprises a controller 1, a display 2, a high-voltage source 3, a discharge electrode 4 and a core adjusting device 5, wherein the display 2, the high-voltage source 3, the discharge electrode 4 and the core adjusting device 5 are respectively connected with the controller 1 and are controlled by the controller 1, and the connection mode and the control mode adopt the connection mode and the control mode of the traditional welding device.
As shown in fig. 2,4, and 6, the aligning device 5 includes: a welding groove 51 and a pressing block 52;
as shown in fig. 2, the welding groove 51 includes: the first slot 51a and the second slot 51b, and the length 51c of the first slot is smaller than the length 51d of the second slot (in this embodiment, the first slot length 51c is 30% of the second slot length 51 d), the first slot is shorter than the second slot, and the first optical fiber is not required to be exposed by pulling out the long fiber core, so that the problem of easy breakage of the fiber core is overcome, and the optical fiber obtains better fixing effect and positioning effect. ),
The first receiving groove 51a is used for accommodating the core of the first optical fiber 61, and the second receiving groove 51b is used for accommodating the core of the second optical fiber 62, as shown in fig. 4, the core diameter 61d of the first optical fiber is larger than the core diameter 62d of the second optical fiber;
The first connecting groove 51a is fixed on the base 51e, in this embodiment, the first connecting groove 51a and the base 51e are integrally formed, and in practical application, the first connecting groove 51a may be fixedly connected on the base 51e in any manner. Because the first connecting groove 51a protrudes from the surface of the base 51e, during fusion splicing, the first optical fiber 61 is placed in the fusion splicing groove, and the outer cladding of the first optical fiber 61 abuts against the outer side wall of the first connecting groove 51a, so that better fixing effect and positioning effect of the optical fiber are obtained.
The discharge electrode 4 is located at the middle/inside of the fusion device, and the direction along which the optical fibers 61, 62 are placed is the outside in the direction away from the discharge electrode 4.
As shown in fig. 3 and 5, the pressing block 52 has a first leg 52a and a second leg 52b; the first leg 52a is flush with the second leg 52b, and when in fusion bonding, the first leg presses on the fiber core of the first optical fiber placed in the first connecting groove to limit the movement of the fiber core of the first optical fiber; the second leg presses against the core of the second optical fiber disposed in the second receiving groove to limit movement of the core of the second optical fiber.
As shown in fig. 3 and 4, in this embodiment, the outer side of the first leg 52a is provided with an auxiliary leg 52c, the bottom of the auxiliary leg 52c and the bottom of the first leg 52a have a height difference equal to the outer cladding thickness h of the first optical fiber, the auxiliary leg is fixedly connected with the first leg or is in an integral structure, the height difference between the auxiliary leg and the first leg forms a step-shaped limit, the first leg 52a presses on the core of the first optical fiber placed in the first receiving slot 51a, the movement of the core of the first optical fiber 61 is limited, the auxiliary leg 52c presses on the first optical fiber 61 placed on the base, the movement of the first optical fiber without the outer cladding being stripped is limited, the core of the first optical fiber is not deformed, the first optical fiber is better fixed, and the fusion welding effect is improved.
In this embodiment, the length of the first receiving groove 51c is 30% of the length of the second receiving groove 51 d.
Because the two welding grooves have different lengths, namely the welding groove for placing the 9 mu m ribbon fiber is shorter than the welding groove for placing the 3 mu m ribbon fiber, the welding length is reduced, and the subsequent process faults of the product are reduced.
As shown in fig. 5 and 6, in the present embodiment, the length of the first leg 52a is equal to the length of the first slot 51c, and when the first leg is pressed against the first slot, the first leg covers the entire area of the first slot, and does not cover the area of the base 51e outside the first slot, so that the core of the first optical fiber is not deformed, and the fusion effect can be improved. In practical applications, the length of the first leg 52a may be smaller than the length of the first slot 51c, and the first leg does not cause the core of the first optical fiber to deform as long as the first leg does not cover the base region outside the first slot.
The welding device for the ribbon fibers with different fiber core diameters has the following beneficial effects: the use frequency and the efficiency of the ribbon fiber fusion splicer are enhanced, the production efficiency of producing ribbon fibers (such as 3um+9um) with different fiber core diameters is improved, and the practical popularization of ribbon fibers (such as 3um+9um) with different fiber core diameters is accelerated.
The welding device for the ribbon fibers with different fiber core diameters is modified in that two welding grooves are designed to be different in length, namely, the welding groove for placing the ribbon fibers with the diameter of 3 mu m is shorter than the welding groove for placing the ribbon fibers with the diameter of 9 mu m, so that the welding length is reduced, and the faults of subsequent procedures of products are reduced; meanwhile, the pressing block is designed into a shape with one high side and one low side, so that even if the inner diameters of the belt fibers are different in welding, poor welding can not occur after the belt fibers are welded, and the product yield is improved.
The invention also provides a welding method for the ribbon fibers with different fiber core diameters by using the welding device, which comprises the following steps:
stripping the first and second optical fibers 61, 62, wherein the stripped end of the first optical fiber 61 is shorter than the stripped end of the second optical fiber 62;
Placing the core of the first optical fiber in the first connecting groove 51c, enabling the outer cladding of the first optical fiber to prop against the outer side wall of the first connecting groove 51c, and limiting the movement of the core of the first optical fiber through the first support leg 52a of the pressing block;
Placing the fiber core of the second optical fiber in the second connecting groove 51d, enabling the outer cladding of the second optical fiber to prop against the outer side wall of the second connecting groove 51d, and limiting the movement of the fiber core of the second optical fiber through the second support leg of the pressing block;
and setting and adjusting parameters of a fusion welding machine to perform discharge fusion welding.
When the auxiliary leg 52c is arranged outside the first leg of the welding device, the method further comprises the following steps of: after the core of the first optical fiber is placed in the first receiving groove, the auxiliary leg is pressed against the first optical fiber placed in the base 51e, restricting the movement of the first optical fiber without peeling the outer cladding.
The parameters of the method are set as follows: 25-35 s of discharge time, 0.1-0.4 s of pre-discharge time, 15-25 um of discharge interval, 20-30 um of propulsion, 46-54 step of discharge intensity and 280-290 doc of discharge position.
Specific welding setting parameters and corresponding insertion loss (welding IL should be less than or equal to 0.7 dB) according to the method are as follows:
example one:
| Project | Parameters (parameters) |
| Discharge time | 25 |
| Pre-discharge time | 0.1 |
| Discharge interval | 15um |
| Amount of propulsion | 20um |
| Intensity of discharge | 54step |
| Discharge position | 290doc |
| Channel | ch1 | ch2 | ch3 | ch4 |
| IL(dB) | -0.45 | -0.61 | -0.59 | -0.39 |
Example two:
| Project | Parameters (parameters) |
| Discharge time | 28 |
| Pre-discharge time | 0.4 |
| Discharge interval | 20um |
| Amount of propulsion | 20um |
| Intensity of discharge | 52step |
| Discharge position | 285doc |
| Channel | ch1 | ch2 | ch3 | ch4 |
| IL(dB) | -0.32 | -0.34 | -0.44 | -0.27 |
Example three:
| Project | Parameters (parameters) |
| Discharge time | 30 |
| Pre-discharge time | 0.3 |
| Discharge interval | 20um |
| Amount of propulsion | 25um |
| Intensity of discharge | 51step |
| Discharge position | 285doc |
| Channel | ch1 | ch2 | ch3 | ch4 |
| IL(dB) | -0.22 | -0.30 | -0.22 | -0.26 |
Example four:
| Project | Parameters (parameters) |
| Discharge time | 33 |
| Pre-discharge time | 0.4 |
| Discharge interval | 20um |
| Amount of propulsion | 30um |
| Intensity of discharge | 50step |
| Discharge position | 285doc |
| Channel | ch1 | ch2 | ch3 | ch4 |
| IL(dB) | -0.34 | -0.39 | -0.45 | -0.37 |
Example five:
| Project | Parameters (parameters) |
| Discharge time | 35 |
| Pre-discharge time | 0.2 |
| Discharge interval | 25um |
| Amount of propulsion | 30um |
| Intensity of discharge | 46step |
| Discharge position | 280doc |
| Channel | ch1 | ch2 | ch3 | ch4 |
| IL(dB) | -0.25 | -0.48 | -0.52 | -0.30 |
The invention adopts the device for welding the fibers with different fiber core diameters, and the device designs the two welding grooves with different lengths, thereby reducing the welding length and improving the fixing effect on the fiber cores; the device designs the briquetting into the shape that one side is high and one side is low, also can obtain better fixed effect when the fiber cores that the internal diameter is different are welded, has improved the product yield.
Under the condition of using the device, the invention improves the fixing method of fiber cores/optical fibers in the welding process, improves parameter setting, enables the device to weld a plurality of optical fibers at the same time, strengthens the use frequency and efficiency of a ribbon fiber welding machine, improves the production efficiency of producing the welded products of ribbon fibers with different fiber core diameters (such as 3um+9um), and quickens the practical popularization of the welded products of ribbon fibers with different fiber core diameters (such as 3um+9um). When the parameter setting exceeds the above range, the fusion of a plurality of fiber cores at the same time or the optical loss of the fused fiber cores cannot be achieved successfully.
Claims (11)
1. An apparatus for fusion splicing tapes of different core diameters, comprising: the device comprises a display, a controller, a high-voltage source, a discharge electrode and a core adjusting device; the core adjusting device comprises: welding grooves and pressing blocks; wherein, the welding groove includes: the first connecting groove and the second connecting groove are characterized in that,
The length of the first connecting groove is smaller than that of the second connecting groove; the first connecting groove is used for accommodating the fiber core of the first optical fiber, the second connecting groove is used for accommodating the fiber core of the second optical fiber, and the fiber core diameter of the first optical fiber is larger than that of the second optical fiber;
The pressing block is provided with a first supporting leg and a second supporting leg, when the first supporting leg and the second supporting leg are at the same height and are welded, the fiber core of the first optical fiber is arranged in the first connecting groove, and the first supporting leg is pressed on the fiber core of the first optical fiber to limit the movement of the fiber core of the first optical fiber; the fiber core of the second optical fiber is arranged in the second connecting groove, and the second support leg is pressed on the fiber core of the second optical fiber to limit the movement of the fiber core of the second optical fiber.
2. The apparatus for fusion splicing of ribbons of different core diameters according to claim 1, wherein said first splice length is 30% of said second splice length.
3. The apparatus of claim 1 or 2, wherein the length of the first leg is less than or equal to the length of the first slot, the first slot being secured to the base or the first slot being of unitary construction with the base.
4. The apparatus for fusion splicing tapes of different core diameters according to any one of claims 1 to 2, wherein the first slot is fixed to the base or the first slot is formed integrally with the base.
5. The apparatus of claim 4, wherein the outer side of the first leg is provided with an auxiliary leg, the bottom of the auxiliary leg and the bottom of the first leg have a height difference equal to the thickness of the outer cladding of the first optical fiber, the auxiliary leg is fixedly connected with the first leg or is of an integral structure, the height difference between the auxiliary leg and the first leg forms a step-shaped limit, and when in use, the fiber core of the first optical fiber is placed in the first connecting groove, the first leg is pressed on the fiber core of the first optical fiber to limit the fiber core movement of the first optical fiber, and the auxiliary leg is pressed on the first optical fiber placed on the base to limit the movement of the first optical fiber without stripping the outer cladding.
6. A method of fusion splicing ribbon fibers of different core diameters, comprising: the device comprises a display, a controller, a high-voltage source, a discharge electrode and a core adjusting device;
The core adjusting device comprises: welding grooves and pressing blocks; wherein, the welding groove includes: a first connecting groove, a second connecting groove, and
The length of the first connecting groove is smaller than that of the second connecting groove; the first connecting groove is used for accommodating the fiber core of the first optical fiber, the second connecting groove is used for accommodating the fiber core of the second optical fiber, and the fiber core diameter of the first optical fiber is larger than that of the second optical fiber;
the pressing block is provided with a first supporting leg and a second supporting leg, and the first supporting leg is as high as the second supporting leg;
the device is used for welding the ribbon fibers with different core diameters in the following steps:
Step 1, stripping the first optical fiber and the second optical fiber, wherein the stripped end of the first optical fiber is shorter than the stripped end of the second optical fiber;
step 2, placing the fiber core of the first optical fiber in a first connecting groove, enabling the outer cladding of the first optical fiber to prop against the outer side wall of the first connecting groove, and limiting the movement of the fiber core of the first optical fiber through a first support leg of a pressing block;
Step 3, placing the fiber core of the second optical fiber in the second connecting groove, enabling the outer cladding of the second optical fiber to prop against the outer side wall of the second connecting groove, and limiting the movement of the fiber core of the second optical fiber through the second support leg of the pressing block;
And 4, setting and adjusting parameters of the welding machine to perform discharge welding.
7. The method of fusion splicing ribbon fibers of different core diameters according to claim 6, wherein said first splice length is 30% of said second splice length.
8. The method of fusion splicing ribbon fibers of different core diameters according to claim 6, wherein the length of the first leg is less than or equal to the length of the first slot, and wherein the first slot is fixed to the base or the first slot is integrally formed with the base.
9. The method of fusion splicing ribbon fibers of different core diameters according to claim 7, wherein the length of the first leg is less than or equal to the length of the first tab slot, the first tab slot being secured to the base or the first tab slot being of unitary construction with the base.
10. The fusion method of different fiber core diameters with fibers according to claim 6, wherein the outer side of the first supporting leg is provided with an auxiliary leg, the bottom of the auxiliary leg and the bottom of the first supporting leg are provided with a height difference which is equal to the thickness of the outer cladding of the first optical fiber, the auxiliary leg is fixedly connected with the first supporting leg or is of an integrated structure, and the height difference of the auxiliary leg and the first supporting leg forms a step-shaped limit;
the first connecting groove is fixed on the base or the first connecting groove and the base are of an integrated structure,
And step 2a, after the fiber core of the first optical fiber is placed in the first connecting groove, the auxiliary pin is pressed on the first optical fiber placed on the base, so that the movement of the first optical fiber without the outer cladding is limited.
11. A method of fusion splicing ribbon fibers of different core diameters according to any one of claims 6-10, wherein said parameters are set to: 25-35 s of discharge time, 0.1-0.4 s of pre-discharge time, 15-25 um of discharge interval, 20-30 um of propulsion, 46-54 step of discharge intensity and 280-290 doc of discharge position.
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| CN207051527U (en) * | 2017-08-17 | 2018-02-27 | 广东安捷康光通科技有限公司 | To the device of different core diameter band fibre weldings |
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| CN109407214A (en) | 2019-03-01 |
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