CN112558224B - Optical fiber alignment device - Google Patents
Optical fiber alignment device Download PDFInfo
- Publication number
- CN112558224B CN112558224B CN202011490635.6A CN202011490635A CN112558224B CN 112558224 B CN112558224 B CN 112558224B CN 202011490635 A CN202011490635 A CN 202011490635A CN 112558224 B CN112558224 B CN 112558224B
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- micro
- optical fiber
- moving plate
- plate
- movable plate
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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
- G02B6/2553—Splicing machines, e.g. optical fibre fusion splicer
-
- 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
- G02B6/2555—Alignment or adjustment devices for aligning prior to splicing
- G02B6/2556—Alignment or adjustment devices for aligning prior to splicing including a fibre supporting member inclined to the bottom surface of the alignment means
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses an optical fiber alignment device, which belongs to the field of optical fiber communication and comprises a first micro movable plate, a second micro movable plate, a base plate, a first optical fiber bracket, a second optical fiber bracket and a ceramic V-shaped groove; after the first micro movable plate, the second micro movable plate and the base plate are connected into a whole through screws, grooves for mounting the first optical fiber support and the second optical fiber support are integrally machined, and the machining difficulty of single parts of the micro movable plate is reduced; after the ceramic V-shaped groove is arranged on the first optical fiber support and the second optical fiber support as an integral part, the connecting part in the middle is knocked off, so that the alignment precision of the optical fibers is improved; the first micro-moving plate and the second micro-moving plate are composed of single parallel four-bar flexible hinge mechanisms, and tension springs are arranged in the first micro-moving plate and the second micro-moving plate, so that a certain tension force is always kept, and the rigidity and the stability of the optical fiber alignment device are greatly improved.
Description
Technical Field
The invention belongs to the field of optical fiber communication, and particularly relates to an optical fiber alignment device.
Background
In optical fiber communication, the size of fusion loss is the key to the quality of optical fiber fusion. Improving the precision and stability of the fiber core alignment of the optical fiber is a main approach for reducing the fusion loss and improving the fusion quality.
The optical fiber fusion splicer needs to place two sections of prepared optical fibers on the ceramic V-shaped groove before optical fiber fusion splicing, and when the position of the optical fiber is adjusted, the position of the optical fiber support in a three-dimensional space needs to be adjusted, so that the end parts of the two sections of optical fibers are located at the same position.
In the prior art, the optical fiber alignment device with more applications utilizes a driving device to drive an ejector rod to prop against a micro-motion plate consisting of a flexible plate to realize the alignment of the optical fiber, and although the adjustment of the position of the optical fiber can be realized, the following defects exist: 1) the structure has high requirements on the machining precision of a single micro-motion plate part and has high machining difficulty; 2) the micro-motion plate part composed of the flexible plate has low rigidity and poor stability.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the optical fiber alignment device which is reasonable in design, overcomes the defects in the prior art and has a good effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
an optical fiber alignment device comprises a first micro-moving plate, a second micro-moving plate, a lining strip, a first optical fiber bracket, a second optical fiber bracket and a ceramic V-shaped groove; the first micro-moving plate, the second micro-moving plate and the lining strip are connected into a whole through screws, the first optical fiber support is installed on the first micro-moving plate through a screw, and the second optical fiber support is installed on the second micro-moving plate through a screw; the ceramic V-shaped groove is bonded on the first optical fiber support and the second optical fiber support through glue dispensing.
Preferably, the first micro-movable plate and the second micro-movable plate are composed of a single parallel four-bar flexible hinge mechanism, the mechanism forms an angle of 45 degrees with the horizontal line, and micro displacement in a direction of 45 degrees obliquely upwards or downwards can be realized.
Preferably, the maximum movement displacement of the first and second micro-moving plates can be adjusted by parameters including a cutting radius R, a minimum thickness t, a crank length L, and a width D.
Preferably, the ceramic V-groove is integrally formed and composed of multi-fiber guide portions at both sides and an intermediate connection sheet, and the intermediate connection sheet is removed after the ceramic V-groove is bonded to the first fiber holder and the second fiber holder by dispensing.
Preferably, the first micromotion plate and the second micromotion plate are internally provided with a tension spring and two hanging spring pins, and the tension spring is connected to the two hanging spring pins to provide tension for the micromotion plate.
Preferably, a backing plate and a push rod are arranged inside the first micro moving plate and the second micro moving plate, and the backing plate is propped by the push rod in an up-and-down movement mode, so that the first micro moving plate and the second micro moving plate move in the direction of 45 degrees obliquely upwards or downwards.
Preferably, the up-and-down movement of the push rod can be realized by driving an eccentric shaft by a motor, and can also be realized by driving a gear pair and a screw pair by the motor.
The invention has the following beneficial technical effects:
the device can realize the accurate alignment of the optical fiber, reduce the processing difficulty of parts and simultaneously improve the rigidity and the stability; after the first micro movable plate, the second micro movable plate and the base plate are connected into a whole, the grooves for mounting the first optical fiber support and the second optical fiber support are integrally machined, so that the machining difficulty of a single part of the micro movable plate is reduced; in addition, the ceramic V-shaped groove is arranged on the first optical fiber support and the second optical fiber support as an integral part, and then the middle connecting part is knocked off, so that the alignment precision of the optical fibers is improved; the micro-motion plate is composed of a single parallel four-bar flexible hinge mechanism, and a tension spring is arranged in the micro-motion plate, so that a certain tension force is always kept, and the rigidity and the stability of the optical fiber alignment device are greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of an optical fiber alignment device of the present invention;
FIG. 2 is a schematic view of the micro-moving plate of the optical fiber alignment device of the present invention;
FIG. 3 is a schematic view of the structure inside the micromotion plate of the optical fiber alignment device of the present invention.
Wherein, 1-a first micro moving plate; 2-a second microplate; 3-a lining strip; 4-a first fiber optic support; 5-a second fiber support; 6-ceramic V-grooves; 7-hanging spring pins; 8-a tension spring; 9-a backing plate; 10-push rod.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
an embodiment of the present invention provides an optical fiber alignment apparatus, as shown in fig. 1, including a first fine moving plate 1, a second fine moving plate 2, a spacer 3, a first fiber holder 4, a second fiber holder 5, and a ceramic V-groove 6.
As shown in fig. 1, the first micro-moving plate 1, the second micro-moving plate 2 and the lining strip 3 are connected into a whole by screws, and then the grooves for mounting the first optical fiber bracket 4 and the second optical fiber bracket 5 are integrally processed, so that the precision of optical fiber alignment can be ensured, and the processing difficulty of a single micro-moving plate part is reduced.
The first and second micro-plates 1 and 2 are configured as shown in fig. 2.
The first micro-moving plate 1 and the second micro-moving plate 2 are composed of a single parallel four-bar flexible hinge mechanism, and have the advantages of small volume, no mechanical friction, no clearance, high motion sensitivity, good rigidity and the like. The single parallel four-bar flexible hinge mechanism forms an angle of 45 degrees with the horizontal plane, and can realize slight displacement in the direction of 45 degrees obliquely upwards or downwards.
The maximum movement displacement of the first and second micro-moving plates 1 and 2 can be adjusted by parameters such as cutting radius R, minimum thickness t, crank length L and width D.
The first fiber holder 4 is mounted on the first fine movement plate 1 by screws, and the second fiber holder 5 is mounted on the second fine movement plate 2 by screws.
The ceramic V-shaped groove 6 is integrally formed, consists of a multi-optical-fiber guide part on two sides and an intermediate connection sheet, is bonded to the first optical fiber support 4 and the second optical fiber support 5 through adhesive dispensing, and is slightly knocked to remove the intermediate connection sheet. Because the ceramic V-groove 6 is a single part, the accuracy of the fiber alignment is further improved.
As shown in fig. 3, the tension springs 8 and the 2 hanging spring pins 7 are installed inside the first micro moving plate 1 and the second micro moving plate 2, and the tension springs 8 are connected to the 2 hanging spring pins 7 to provide tension for the micro moving plate all the time, so that the alignment device has good rigidity and stability. The inside of the first micro moving plate 1 and the second micro moving plate 2 is also provided with a backing plate 9 and a push rod 10, and the push rod 10 moves up and down to prop against the backing plate 9, so that the first micro moving plate 1 and the second micro moving plate 2 move in the direction of 45 degrees obliquely upwards or downwards.
The up-and-down movement of the push rod 10 can be realized by driving an eccentric shaft by a motor, or by driving a gear pair and a screw pair by a motor.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (2)
1. An optical fiber alignment device, comprising: the device comprises a first micro-moving plate, a second micro-moving plate, a lining strip, a first optical fiber bracket, a second optical fiber bracket and a ceramic V-shaped groove; the first micro-moving plate, the second micro-moving plate and the lining strip are connected into a whole through screws, the first optical fiber support is installed on the first micro-moving plate through a screw, and the second optical fiber support is installed on the second micro-moving plate through a screw; the ceramic V-shaped groove is bonded to the first optical fiber support and the second optical fiber support through dispensing;
the first micro movable plate and the second micro movable plate are composed of single parallel four-bar flexible hinge mechanisms, and the single parallel four-bar flexible hinge mechanisms form an angle of 45 degrees with a horizontal line, so that micro displacement in a direction of obliquely upwards or obliquely downwards 45 degrees can be realized;
the ceramic V-shaped groove is integrally processed and formed and consists of optical fiber guide parts at two sides and a middle connecting sheet, and the middle connecting sheet is removed after the ceramic V-shaped groove is bonded to the first optical fiber support and the second optical fiber support through glue dispensing;
a tension spring and two hanging spring pins are arranged in the first micro movable plate and the second micro movable plate, and the tension spring is connected to the two hanging spring pins to provide tension for the micro movable plate;
the first micro moving plate and the second micro moving plate are internally provided with a backing plate and a push rod, and the backing plate is propped by the up-and-down movement of the push rod, so that the first micro moving plate and the second micro moving plate move in the directions of obliquely upwards or obliquely downwards 45 degrees;
the up-and-down movement of the push rod can be realized by driving an eccentric shaft by a motor, and can also be realized by driving a gear pair and a screw pair by the motor.
2. The optical fiber alignment device of claim 1, wherein: the maximum movement displacement of the first and second micromotor plates can be adjusted by parameters including the cutting radius R, the minimum thickness t, the crank length L, and the width D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490635.6A CN112558224B (en) | 2020-12-17 | 2020-12-17 | Optical fiber alignment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490635.6A CN112558224B (en) | 2020-12-17 | 2020-12-17 | Optical fiber alignment device |
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| Publication Number | Publication Date |
|---|---|
| CN112558224A CN112558224A (en) | 2021-03-26 |
| CN112558224B true CN112558224B (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011490635.6A Active CN112558224B (en) | 2020-12-17 | 2020-12-17 | Optical fiber alignment device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848612A (en) * | 2021-09-07 | 2021-12-28 | 成都三眼视界光电科技有限公司 | Optical fiber fusion splicer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203217116U (en) * | 2013-05-13 | 2013-09-25 | 罗春晖 | Core adjusting device of optical fiber fusion splicer |
| CN104101962A (en) * | 2013-04-15 | 2014-10-15 | 镇江逸致仪器有限公司 | Fiber aligning micro-stage |
| CN204694882U (en) * | 2015-06-19 | 2015-10-07 | 罗春晖 | A kind of fused fiber splice machine core |
| CN106154420A (en) * | 2015-04-07 | 2016-11-23 | 赵阳日 | A kind of optical fiber splicing method and optical fiber splicer |
| CN205787219U (en) * | 2016-06-01 | 2016-12-07 | 纪德海 | The double V pottery guider of a kind of optical fiber splicer |
| CN107907940A (en) * | 2017-12-18 | 2018-04-13 | 南京吉隆光纤通信股份有限公司 | Aligning stent |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5771732B1 (en) * | 2014-10-24 | 2015-09-02 | 株式会社フジクラ | Optical fiber fusion splicer and optical fiber fusion splicer including the same |
| CN106547050A (en) * | 2017-01-24 | 2017-03-29 | 中国电子科技集团公司第四十研究所 | A kind of polarization maintaining optical fibre polarization principal axis alignment device |
-
2020
- 2020-12-17 CN CN202011490635.6A patent/CN112558224B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101962A (en) * | 2013-04-15 | 2014-10-15 | 镇江逸致仪器有限公司 | Fiber aligning micro-stage |
| CN203217116U (en) * | 2013-05-13 | 2013-09-25 | 罗春晖 | Core adjusting device of optical fiber fusion splicer |
| CN106154420A (en) * | 2015-04-07 | 2016-11-23 | 赵阳日 | A kind of optical fiber splicing method and optical fiber splicer |
| CN204694882U (en) * | 2015-06-19 | 2015-10-07 | 罗春晖 | A kind of fused fiber splice machine core |
| CN205787219U (en) * | 2016-06-01 | 2016-12-07 | 纪德海 | The double V pottery guider of a kind of optical fiber splicer |
| CN107907940A (en) * | 2017-12-18 | 2018-04-13 | 南京吉隆光纤通信股份有限公司 | Aligning stent |
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| CN112558224A (en) | 2021-03-26 |
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Address after: 233010 no.1300, Yinghe Road, Yuhui District, Bengbu City, Anhui Province Applicant after: CLP kesiyi Technology (Anhui) Co.,Ltd. Address before: 233010 no.1300, Yinghe Road, Yuhui District, Bengbu City, Anhui Province Applicant before: CETC INSTRUMENTATION (ANHUI) Co.,Ltd. |
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