CN110716267B - Manufacturing process of MPO branch jumper - Google Patents
Manufacturing process of MPO branch jumper Download PDFInfo
- Publication number
- CN110716267B CN110716267B CN201911011653.9A CN201911011653A CN110716267B CN 110716267 B CN110716267 B CN 110716267B CN 201911011653 A CN201911011653 A CN 201911011653A CN 110716267 B CN110716267 B CN 110716267B
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- mpo
- branch
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- fiber
- manufacturing process
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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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
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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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/40—Mechanical coupling means having fibre bundle mating means
- G02B6/406—Mechanical coupling means having fibre bundle mating means of the ferrule type, connecting a plurality of pairs of ferrules
Abstract
The invention relates to the technical field of optical fiber connectors, in particular to a manufacturing process of an MPO branch jumper. The invention provides a manufacturing process of an MPO branch jumper wire, which comprises the following steps: s1, branch making: dividing one end of the optical cable into a plurality of optical fibers, and assembling the branched optical cable and a splitter; s2, single-core end fiber penetrating and curing: assembling the optical fiber and the single-core connector, sealing and curing; s3, MPO end fiber penetrating and curing: and assembling the other end of the optical cable and the MPO connector, sealing and curing. According to the manufacturing process of the MPO branch jumper wire, the branch manufacturing process is adjusted to be before the single-core end fiber penetrating curing process and the MPO end fiber penetrating curing process, so that the branch manufacturing process is conveniently carried out outside a production line, and the production efficiency of the production line is improved; the single-core end fiber penetrating curing process is adjusted to be before the MPO end fiber penetrating curing process, so that the rejection of the MPO connector caused by the error of the single-core end fiber penetrating curing process can be avoided, and the rejection cost is reduced.
Description
Technical Field
The invention relates to the technical field of optical fiber connectors, in particular to a manufacturing process of an MPO branch jumper.
Background
An MPO (multi-fiber pull off) optical fiber connector is a multi-core multi-channel pluggable connector, and MPO jumper wires are widely applied to connection of the inside and the outside of receiving and transmitting modules or devices such as FTTX (fiber to the x, y, or the x) and 40/100G SFP (fiber to the x, y, or the p + of the fiber to the y) in the environment where high-density integrated optical fiber lines are needed in the wiring process.
The existing MPO branch jumper wire manufacturing process generally comprises the steps of firstly carrying out MPO end fiber penetrating and curing, then carrying out branch manufacturing and single-core end fiber penetrating and curing. Because the tolerance requirement of the length dimension of the branch jumper is strict, when the branch is manufactured, if fiber breakage occurs, the length of the branch jumper cannot meet the tolerance requirement, and the whole branch jumper is scrapped. When the branch jumper is scrapped, MPO end fiber threading and curing needs to be carried out again, and the operation easily causes scrapping of the MPO connector with higher cost. Therefore, the existing manufacturing process of the MPO branch jumper has the problems of low manufacturing efficiency, high scrapping cost and the like.
Therefore, a new fabrication process of the MPO branch jumper is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a manufacturing process of an MPO branch jumper, which has high manufacturing efficiency and low scrapping cost.
In order to realize the purpose, the following technical scheme is provided:
a manufacturing process of an MPO branch jumper wire comprises the following steps:
s1, branch making: assembling the optical cable and the splitter to divide one end of the optical cable into a plurality of optical fibers;
s2, single-core end fiber penetrating and curing: assembling the optical fiber and the single-core connector, sealing and curing;
s3, MPO end fiber penetrating and curing: and assembling the other end of the optical cable and the MPO connector, sealing and curing.
As a preferable scheme of the manufacturing process of the MPO branch jumper, in step S1, the splitter includes a front cover, an inner core, a sleeve, and a tail cover, the front cover is provided with a plurality of fiber passing holes, and the branching manufacturing includes the following steps:
s11, stripping the optical cable according to the required length of the branch jumper, wherein the stripping length is greater than the required length of the branch jumper;
s12, fixing the optical cable sheath and the spinned fiber on the inner core by using epoxy resin glue;
s13, fixing hollow pipes on the front cover by using epoxy resin glue, wherein the hollow pipes correspond to the fiber penetrating holes one by one;
s14, arranging fibers from the stripping part according to the fiber color spectrum, and smoothing the fibers from the stripping part to the tail ends of the fibers;
s15, sequentially penetrating the optical fibers into the hollow tube, and straightening the optical fibers;
and S16, assembling the splitter, and sealing and curing the joint of the front cover and the sleeve by using epoxy resin glue.
As a preferable example of the process for manufacturing the MPO branch jumper, in step S11, the stripping length is equal to the required length of the branch jumper plus 150 mm.
As a preferable scheme of the manufacturing process of the MPO branch jumper, in step S12, the specification of the epoxy resin adhesive is as follows: the viscosity is 70000mPa & s-100000mPa & s, the Shore hardness after curing is 70D-80D, and the shrinkage ratio after curing is less than 0.3 percent.
As a preferable scheme of the manufacturing process of the MPO branch jumper, in step S13, the empty pipe is a PVC pipe.
As a preferred scheme of the manufacturing process of the MPO branch jumper, in step S3, after the glue is sealed, the curing step is: firstly, the assembled optical cable and the MPO connector are in an environment of 50-60 ℃ and are cured for 15-20 minutes; and then the assembled optical cable and the MPO connector are cured for 30 to 40 minutes in an environment of 90 to 100 ℃.
As a preferable scheme of the manufacturing process of the MPO branch jumper, after the step S3, the method further includes: s4, laser fiber cutting: and cutting redundant optical fibers and glue at the MPO connector end by using laser.
As a preferable scheme of the manufacturing process of the MPO branch jumper, in step S4, after the fiber is cut by laser, the optical cable is flush with the ferrule of the MPO connector.
As a preferable scheme of the manufacturing process of the MPO branch jumper, after the step S4, the method further includes:
and S5, removing glue, roughly grinding, finely grinding and polishing the cut optical cable.
Compared with the prior art, the invention has the beneficial effects that:
according to the manufacturing process of the MPO branch jumper wire, the branch manufacturing process is adjusted to be before the single-core end fiber penetrating curing process and the MPO end fiber penetrating curing process, so that the branch manufacturing process is conveniently carried out outside a production line, and the production efficiency of the production line is improved; the single-core end fiber penetrating curing process is adjusted to be before the MPO end fiber penetrating curing process, so that the rejection of the MPO connector caused by the error of the single-core end fiber penetrating curing process can be avoided, and the rejection cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a manufacturing process of an MPO branch jumper according to an embodiment of the present invention;
FIG. 2 is a schematic view of an assembly of an MPO connector, a single core connector and a fiber optic cable according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a splitter according to an embodiment of the present invention.
Reference numerals:
10-a splitter; 20-a single core connector; 30-MPO connectors;
1-a front cover;
2-inner core;
3-a sleeve;
4-tail cover;
5-empty tube.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when the product is used, and are only for convenience of description of the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a removable connection, unless expressly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, this embodiment provides a manufacturing process of an MPO branch jumper, including the following steps:
s1, branch making: assembling the optical cable and the splitter 10 to divide one end of the optical cable into a plurality of optical fibers;
s2, single-core end fiber penetrating and curing: assembling the optical fiber with the single-core connector 20, sealing and curing;
s3, MPO end fiber penetrating and curing: the other end of the cable is assembled with the MPO connector 30 and sealed for curing.
According to the manufacturing process of the MPO branch jumper wire provided by the embodiment, the branch manufacturing process is adjusted to be before the single-core end fiber penetrating curing process and the MPO end fiber penetrating curing process, so that the branch manufacturing process is conveniently placed outside a production line to be carried out, and the production efficiency of the production line is improved; the single-core end fiber penetrating curing process is adjusted to be before the MPO end fiber penetrating curing process, so that the rejection of the MPO connector 30 caused by the error of the single-core end fiber penetrating curing process can be avoided, and the rejection cost is reduced.
The branch manufacturing procedure is adjusted to the first procedure, so that the loss caused by fiber breakage of a product with a strict tolerance in the processing process of the single-core connector 20 can be reduced. In addition, the branch manufacturing procedure is complex, the branch manufacturing procedure is adjusted to the first procedure, the branch manufacturing is convenient to independently come out and put out of the production line for operation, the working efficiency of the production line can be improved, and the working efficiency can be improved by 50%.
Preferably, in step S1, the easily stripped light is selected, so that the optical fiber coating layer can be prevented from falling off, the optical fiber can be prevented from being exposed, and the service life of the product can be prolonged. The easily stripped ribbon optical fiber is adopted, the coating layer is not easy to fall off when the ribbon adhesive is stripped, the outer surface of the optical fiber has good cleanliness after stripping, and the residual coating material is easy to erase by using an alcohol cotton ball.
Preferably, in step S3, after the molding, the curing step is: firstly, the assembled optical cable and the MPO connector 30 are cured for 15 to 20 minutes in an environment of 50 to 60 ℃; the assembled cable and MPO connector 30 are then cured for 30-40 minutes at 90-100 ℃. The glue is cured for 15-20 minutes in the environment of 50-60 ℃ to fully remove the stress of the glue, and then the glue is cured for 30-40 minutes in the environment of 90-100 ℃, so that the fiber breakage inside the ferrule caused by overlarge stress can be effectively avoided.
After step S3, the method further includes: s4, laser fiber cutting: and cutting redundant optical fibers and glue at the end 30 of the MPO connector by using laser. Further, after laser cleaving, the fiber optic cable is flush with the ferrule of the MPO connector 30. After the fiber is cut, the optical fiber and the glue exceed the surface of the ferrule by 0.5mm +/-0.05mm, and the glue is ensured to be consistent in height before grinding. By adopting the laser fiber cutting process, deep cracks of the optical fiber can be avoided, and the optical performance of the product is optimized.
Further included after step S4 is: and S5, removing glue, roughly grinding, finely grinding and polishing the cut optical cable.
After the MPO end is penetrated and cured, glue on the end faces of the ferrules of the MPO connector 30 is highly inconsistent, and the ferrules are not on the same plane, so that the higher stress of the ferrules is larger during grinding and pressurizing, and cracks are easily generated inside the optical fibers. In addition, when the polished short ferrule of glue is cut by more than 0.1mm, the length of the optical fiber is easy to be not satisfied, the coupling efficiency of the optical fiber product is affected, and the insertion loss is large. Through increasing the laser fiber cutting process, make before the grinding lock pin highly reach same level, the lock pin and the optical cable parallel and level of MPO connector 30 promptly can effectively avoid deep crack to produce, and the lock pin is controlled within 0.05mm by the cutting height after the grinding.
Further included after step S5 is: s6, end face detection: detecting the end of the plug core of the MPO connector 30; s7, testing optical performance: MPO connector 30 and optical fiber performance detection; s8, polarity light passing; and S9, pressing and assembling. Steps S6, S7, S8, and S9 are the same as the prior art processes, and are not repeated herein.
Preferably, in step S1, as shown in fig. 3 in combination with fig. 2, the splitter 10 includes a front cover 1, an inner core 2, a sleeve 3 and a tail cover 4, the front cover 1 is provided with a plurality of fiber passing holes, and the splitting includes the following steps:
s11, stripping the optical cable according to the required length of the branch jumper, wherein the stripping length is greater than the required length of the branch jumper;
s12, fixing the optical cable sheath and the spinned fiber on the inner core 2 by using epoxy resin glue;
s13, fixing the hollow tubes 5 on the front cover 1 by using epoxy resin glue, wherein the hollow tubes 5 correspond to the fiber penetrating holes one by one;
s14, arranging fibers from the stripping part according to the optical fiber color spectrum, and smoothing the optical fibers from the stripping part to the tail ends of the optical fibers;
s15, sequentially penetrating the optical fibers into the hollow pipe 5, and straightening the optical fibers;
s16, assembling the splitter 10, and using epoxy resin glue to perform glue sealing and curing on the joint of the front cover 1 and the sleeve 3.
Optionally, in step S11, the stripping length is +150mm of the required branch jumper length, so as to ensure that the length of the branch jumper meets the tolerance requirement.
Preferably, in step S12, the specification of the epoxy glue is: the epoxy resin adhesive has the viscosity of 70000mPa & s-100000mPa & s, the Shore hardness after curing of 70D-80D and the shrinkage ratio after curing of less than 0.3 percent, can improve the reliability of the product and enables the product to meet the test requirement of a high-temperature and high-humidity double 85 test for 500 hours.
In addition, in step S12, the spinnerets of the optical cable are reversely folded, and then the optical cable sheath, the spinnerets and the inner core 2 are fixedly connected by using the epoxy glue.
Further, in step S13, the hollow tube 5 is a PVC tube to protect light.
The inner core 2 is in a stepped shaft shape, a through hole is formed in one end, close to the tail cover 4, of the sleeve 3, and the diameter of the through hole is equal to that of the optical cable. In step S16, the step of assembling the splitter 10 is: the inner core 2 is inserted into the through hole on the right side of the sleeve 3 from the left side of the sleeve 3 and penetrates out of the through hole on the right side of the sleeve 3, and the shaft of the inner core 2 is abutted against the wall on the peripheral side of the through hole of the sleeve 3; then screwing the tail cover 4 on the inner core 2, wherein the tail cover 4 is connected with the inner core 2 through threads; the front cover 1 is inserted into the sleeve 3, and the joint of the front cover 1 and the sleeve 3 is sealed and solidified.
In step S13, the spun yarn of the hollow tube 5 is reversely folded, and then the hollow tube 5 is fixed on the front cover 1 by using the epoxy resin glue, and the hollow tube 5 corresponds to the fiber through hole on the front cover 1 one by one.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. A manufacturing process of an MPO branch jumper wire is characterized by comprising the following steps:
s1, branch making: assembling the optical cable and the splitter (10) to split one end of the optical cable into a plurality of optical fibers;
s2, single-core end fiber penetrating and curing: assembling the optical fiber and a single-core connector (20), sealing and curing;
s3, MPO end fiber penetrating and curing: and assembling the other end of the optical cable with an MPO connector (30), sealing and curing.
2. The MPO branch jumper wire manufacturing process according to claim 1, wherein in step S1, the splitter (10) comprises a front cover (1), an inner core (2), a sleeve (3) and a tail cover (4), the front cover (1) is provided with a plurality of fiber through holes, and the branch manufacturing comprises the following steps:
s11, stripping the optical cable according to the required length of the branch jumper, wherein the stripping length is greater than the required length of the branch jumper;
s12, fixing the cable sheath and the spinned fiber on the inner core (2) by using epoxy resin glue;
s13, fixing the hollow pipes (5) on the front cover (1) by using epoxy resin glue, wherein the hollow pipes (5) correspond to the fiber penetrating holes one by one;
s14, arranging fibers from the stripping part according to the fiber color spectrum, and smoothing the fibers from the stripping part to the tail ends of the fibers;
s15, threading the optical fibers into the hollow tube (5) in sequence, and straightening the optical fibers;
s16, assembling the splitter (10), and sealing and curing the joint of the front cover (1) and the sleeve (3) by using epoxy resin glue.
3. The MPO branch jumper manufacturing process according to claim 2, wherein in step S11, the stripping length is equal to the required branch jumper length +150 mm.
4. The process for manufacturing the MPO branch jumper wire according to claim 2, wherein in step S12, the specification of the epoxy resin glue is as follows: the viscosity is 70000mPa & s-100000mPa & s, the Shore hardness after curing is 70D-80D, and the shrinkage ratio after curing is less than 0.3 percent.
5. The MPO branch jumper manufacturing process according to claim 2, wherein in step S13, the empty pipe (5) is a PVC pipe.
6. The process for manufacturing an MPO branch jumper wire according to claim 1, wherein in step S3, after glue sealing, the curing step is: firstly, the assembled optical cable and the MPO connector (30) are cured for 15 to 20 minutes in an environment of 50 to 60 ℃; and then the assembled optical cable and the MPO connector (30) are cured for 30 to 40 minutes in an environment of 90 to 100 ℃.
7. The process for manufacturing an MPO branch jumper wire according to claim 1, further comprising, after the step S3: s4, laser fiber cutting: and cutting redundant optical fibers and glue at the end of the MPO connector (30) by using laser.
8. The MPO branch jumper manufacturing process according to claim 7, wherein in step S4, after laser fiber cutting, the optical cable is flush with the insertion core of the MPO connector (30).
9. The process for manufacturing an MPO branch jumper wire according to claim 1, further comprising, after the step S4:
and S5, removing glue, roughly grinding, finely grinding and polishing the cut optical cable.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911011653.9A CN110716267B (en) | 2019-10-23 | 2019-10-23 | Manufacturing process of MPO branch jumper |
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| CN201911011653.9A CN110716267B (en) | 2019-10-23 | 2019-10-23 | Manufacturing process of MPO branch jumper |
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| CN110716267B true CN110716267B (en) | 2021-06-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111751924B (en) * | 2019-03-27 | 2022-05-17 | 无锡天创光电科技有限公司 | Method for manufacturing end prefabricated capillary type optical fiber |
| CN112570211B (en) * | 2020-12-14 | 2023-01-24 | 武汉红星杨科技有限公司 | Automatic fiber penetrating device for optical fiber array |
| CN113670578A (en) * | 2021-09-07 | 2021-11-19 | 江苏亨通光电股份有限公司 | Optical performance test wire and optical test device for multi-core optical fiber array connector |
| CN113926662B (en) * | 2021-10-15 | 2022-11-04 | 洪雅创捷通信有限公司 | Method for producing MT jumper wire by using dispensing positioning tool |
| CN114522856B (en) * | 2022-04-12 | 2022-08-16 | 长芯盛（武汉）科技有限公司 | Method for manufacturing branch optical fiber connector |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995015509A1 (en) * | 1993-12-02 | 1995-06-08 | Siemens Aktiengesellschaft | Connecting device and branching device for optical fibre cables |
| JPH08248244A (en) * | 1995-03-09 | 1996-09-27 | Fujikura Ltd | Optical fiber branching cord |
| CN105572826B (en) * | 2016-02-24 | 2019-10-08 | 江苏俊知传感技术有限公司 | A kind of prefabricated end butterfly leading in cable of branching type and preparation method thereof |
| CN207114835U (en) * | 2017-08-03 | 2018-03-16 | 广州亚太线缆科技有限公司 | A kind of high density MPO branches wire jumper |
| CN207541304U (en) * | 2017-08-29 | 2018-06-26 | 广东亨通光电科技有限公司 | Multicore deconcentrator |
| CN109597170B (en) * | 2017-09-30 | 2020-09-18 | 中航光电科技股份有限公司 | Cable branching method, branching device for implementing same and cable branching structure |
| CN109541756B (en) * | 2018-12-13 | 2020-08-14 | 四川天邑康和通信股份有限公司 | Process method for automatically producing optical fiber connector |
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