CN103424808A - Optical fiber propelling control method of optical fiber fusion splicer and optical fiber fusion splicer - Google Patents
Optical fiber propelling control method of optical fiber fusion splicer and optical fiber fusion splicer Download PDFInfo
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- CN103424808A CN103424808A CN2013103797228A CN201310379722A CN103424808A CN 103424808 A CN103424808 A CN 103424808A CN 2013103797228 A CN2013103797228 A CN 2013103797228A CN 201310379722 A CN201310379722 A CN 201310379722A CN 103424808 A CN103424808 A CN 103424808A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 137
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000004927 fusion Effects 0.000 title abstract 5
- 239000000835 fiber Substances 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 14
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 9
- 238000003384 imaging method Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229940085805 fiberall Drugs 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The invention discloses an optical fiber propelling control method of an optical fiber fusion splicer. The method comprises the step of measuring light intensity containing an optical fiber splicing position area; the step of propelling a first optical fiber into the optical fiber splicing position area, recording the change of the light intensity of the optical fiber splicing position area, and stopping propelling the first optical fiber when a light intensity changing value reaches a preset first threshold value; the step of propelling a second optical fiber into the optical fiber splicing position area, recording the change of the light intensity of the optical fiber splicing position area, and stopping propelling the second optical fiber when a light intensity changing value reaches a preset second threshold value; the step of propelling the first optical fiber and the second optical fiber to move for preset distance to enable the first optical fiber and the second optical fiber to reach the splicing position. The method and the optical fiber fusion splicer designed based on the method, the cost for manufacturing the optical fiber fusion splicer can be greatly reduced.
Description
Technical field
The present invention relates to a kind of method and instrument thereof that optical fiber advances position of controlling while connecting optical fiber end, particularly when controlling fiber position to the improvement of identifying this fiber position method and use this improvements optical fiber splicer of method afterwards.
Background technology
The currently used major way of optical fiber splicer is automatic identification, and auto-alignment can adopt eye recognition, manual alignment where necessary.We know, the diameter of optical fiber only has 125 microns, need the fibre core of aiming to only have several microns, therefore, take the auto-alignment based on image recognition technology, the picture quality that camera is extracted has high requirement, we know, optical fiber image is to be exaggerated more than 200~300 times, this is also with regard to meaning person, the optical fiber placement error of a little will cause the focal length of image inaccurate, and then the picture quality that causes camera to extract is not good, affect the identification of image, in order to prevent the generation of this problem, automatically the optical fiber splicer of identification just must take following way to solve problem:
1, the precision of raising fiber clamp, allow optical fiber place the possibility that produces deviation and reduce.
2, the camera lens that use can be focused automatically, increase corresponding control circuit and precision electric motor, takes so-called 6 motor strategies, is exactly outside necessary propelling and regulating, and increases by two focusing motors.
3, the arithmetic capability of raising image recognition software, improve image recognition algorithm, and this just means that this must improve storage and the arithmetic capability of mainboard.
Three above-mentioned ways, take separately poor effect, must comprehensively implement, and the reliability of guarantee image recognition, and then improve the success ratio of welding, still, so just improved the manufacturing cost of optical fiber splicer.
Similarly technical scheme is disclosed in Chinese invention patent application CN1497277A, in this application, improve the quality of fused fiber splice by the precision of improving fixture, in the process of its aligning optical fiber, be to catch imaging fiber by CCD, then after carrying out image processing and analyzing, judgement optical fiber align state.
Clearly, in existing optical fiber splicer, for automatic identification with control the optical fiber transfer position, the optical fiber image that need to capture CCD is constantly identified, computing and judgement optical fiber present position, and further feeds back to drive system and carry out delivery optical fiber.And if optical fiber trickle focal position of departing from imaging system in course of conveying, can cause the CCD image blur, in order to guarantee in this case, control system needs to improve hardware specification, thereby guarantees identification automatically in overall process, computing and judgement optical fiber present position.
Summary of the invention
The object of the invention is to overcome existing above-mentioned deficiency in prior art, provide a kind of optical fiber that can complete automatically to advance, manual alignment, reach method and the product of the manual alignment function with recognition capability optical fiber splicer, make the production cost of this product be significantly less than the optical fiber splicer that adopts image recognition technology simultaneously.
In order to realize the foregoing invention purpose, the invention provides following technical scheme:
A kind of optical fiber of optical fiber splicer advances control method, comprises the following steps:
A. measure a light intensity that includes the fused fiber splice band of position;
B. promote first optical fiber and enter this zone, and record this regional light intensity variation, when the light intensity changing value reaches predetermined the first threshold values, stop promoting first optical fiber;
C. promote second optical fiber and enter this zone, and record this regional light intensity variation, when the light intensity changing value reaches predetermined the second threshold values, stop promoting second optical fiber;
D. promote first optical fiber and second optical fiber moves predeterminable range, make to promote first optical fiber and second optical fiber and reach posetionof weld.
The preferred embodiments of the invention are as follows:
Preferably, adopt the interior image capture equipment of optical fiber splicer to capture and record the intensity signal of above-mentioned zone.
Preferably, the described intensity signal that captures and record above-mentioned zone comprises that all pixels to this zone transfer gray-scale value to, record this regional gray-scale value.
Preferably, in the D step, synchronously promote first optical fiber and second optical fiber moves predeterminable range.
The present invention also provides corresponding optical fiber splicer, described optical fiber splicer comprises structure of fiber_optic, the optical fiber transport portion, image capture part and control section, image capture obtains the information of welding area and is sent to control section, control section is controlled structure of fiber_optic and the motion of optical fiber transport portion, it is characterized in that: described image capture can obtain the intensity signal of welding area and occur to control section, described control section has the module that intensity signal is calculated and compares, control section is controlled the motion of optical fiber transport portion according to the variable quantity that obtains intensity signal, described control section comprises following three state: A, control first optical fiber and enter welding area, read the intensity signal variable quantity, when the intensity signal variable quantity reaches predetermined the first threshold values, stop advancing first optical fiber, B, control second optical fiber and enter welding area, read the intensity signal variable quantity, until the intensity signal variable quantity reaches predetermined the second threshold values, stop advancing second optical fiber, C, after completing, A and B advance first optical fiber and second optical fiber to move predeterminable range.
Preferably, described optical fiber splicer also comprises manual control inputs interface and display screen, after control section completes the C step, by manual control inputs interface input control signal to control section, control structure of fiber_optic and/or the motion of optical fiber transport portion, and be presented on display screen after partly obtaining image information by image capture.
Compared with prior art, beneficial effect of the present invention: with the automatic Push Technology based on image recognition, compare, the present invention can complete identical purpose, simultaneously due to the variable quantity that only needs to calculate light intensity, its hardware cost is far below the hardware cost of image recognition technology, and compare low several orders of magnitude with image recognition technology with the accuracy requirement fiber orientation groove to light path.This is because image recognition technology, that all pixels in screen are carried out to binaryzation, namely become gray-scale value, then analyze the head that those are optical fiber, those are fibre cores of optical fiber, those are edges of optical fiber, therefore, image blurring, dirty dirty, background is not good etc. all can cause judging unsuccessfully, so, for fear of judging unsuccessfully, that must make equipment is very superior, very powerful of arithmetic capability, also require optical fiber very clean simultaneously, thus allow the manufacture of optical fiber splicer and maintenance cost very high.And the present invention just utilizes the brightness of screen to change, judge whether optical fiber enters screen, by setting suitable threshold values, optical fiber is entered respectively, stop while just having entered screen at every turn, then according to this predeterminated position, extrapolate the position of two optical fiber, just can realize automatically advancing accurately, arrive the effect identical with image recognition technology.In the present invention, light path and fiber orientation groove and optical fiber itself are little on the basic impact in this location, special needs to be pointed out is that many CMOS or CCD chip have this bright minute other ability simultaneously, and the setting threshold values is arranged, the ability of degree of regulation, therefore, do not need to pay especially, for example, only the BF3003 chip of more than 30 yuan of a slice just can be realized this function.And the optical fiber splicer based on this method design, can the decrease manufacturing cost.
The accompanying drawing explanation
The process flow diagram that Fig. 1 is the inventive method embodiment.
The schematic diagram that Fig. 2, Fig. 3 and Fig. 4 are figure fiber position in embodiment of the present invention optical fiber course of conveying.
The outside drawing that Fig. 5 is embodiment of the present invention optical fiber splicer.
Embodiment
Below in conjunction with test example and embodiment, the present invention is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
A kind of optical fiber splicer, as shown in Figure 5, comprise housing 3, structure of fiber_optic 2, and display screen 1 has control knob below display screen.Wherein structure of fiber_optic 2 for fixed fiber and finely tune the position of optical fiber, has the optical fiber transport portion for two optical fiber are delivered to welding area in housing, also has CMOS or CCD and imaging system for capturing the optical fiber image in housing.This part and existing fiber heat sealing machine are similar.
The present embodiment is with respect to the improvement part of existing fiber heat sealing machine, the function of utilizing CMOS or CCD can read light intensity judges that the light intensity of a certain identified region (this district inclusion welding area or be exactly welding area) changes, further utilize mode that the light and shade that judge this identified region changes to identify optical fiber and whether enter identified region, and then the judgement fiber position.
For example, when putting optical fiber well, after cover lid, at this moment, by designing requirement, optical fiber beyond the visual field in welding (or identification) zone, can guarantee by the cooperation of fixture and cutting knife, for example with cutting knife, clips the outer unnecessary part of fixture.At this moment, there is no optical fiber in identified region, the brightness of identification is a basic definite value, then, as shown in Figure 2, first promote an optical fiber, when optical fiber just enters identified region, CMOS or CCD have found the brightness variation, at this moment, we can judge that this optical fiber enters identified region, when light intensity changes or after brightness changes and reach certain threshold values, we stop this optical fiber, and we obtain identified region brightness by this.Then as shown in Figure 3, promote the optical fiber of opposite side, when it enters identified region, CMOS or CCD detect brightness to be changed, just know that optical fiber has entered identified region, when light intensity changes or after brightness changes and reach certain threshold values, at this moment due to two optical fiber all at the identified region edge, they can be preset in identified region and at a distance of a suitable distance, as shown in Figure 4.So, push away the optical fiber motor and can shift both onto a suitable distance by predeterminable range, then, user's manual alignment two optical fiber, welding optic fibre then discharges.Light path and fiber orientation groove and optical fiber itself are little on the basic impact in this location, special needs to be pointed out is simultaneously, many CMOS or CCD chip, this bright minute other ability is arranged, and the setting threshold values is arranged, the ability of degree of regulation, therefore, do not need to pay especially, for example, only the BF3003 chip of more than 30 yuan of a slice just can be realized this function.And the optical fiber splicer based on this method design, can the decrease manufacturing cost.
Claims (6)
1. the optical fiber of an optical fiber splicer advances control method, comprises the following steps:
A. measure a light intensity that includes the fused fiber splice band of position;
B. promote first optical fiber and enter this zone, and record this regional light intensity variation, when the light intensity changing value reaches predetermined the first threshold values, stop promoting first optical fiber;
C. promote second optical fiber and enter this zone, and record this regional light intensity variation, when the light intensity changing value reaches predetermined the second threshold values, stop promoting second optical fiber;
D. promote first optical fiber and second optical fiber moves predeterminable range, make to promote first optical fiber and second optical fiber and reach posetionof weld.
2. according to right, want the optical fiber of 1 described optical fiber splicer to advance control method, it is characterized in that: adopt the interior image capture equipment of optical fiber splicer to capture and record the intensity signal of above-mentioned zone.
3. according to right, want the optical fiber of 1 or 2 described optical fiber splicers to advance control method, it is characterized in that: the described intensity signal that captures and record above-mentioned zone comprises the calculating to all grey scale pixel values in this zone, records this regional gray-scale value.
4. according to right, want the optical fiber of 3 described optical fiber splicers to advance control method, it is characterized in that: in the D step, synchronously promote first optical fiber and second optical fiber moves predeterminable range.
5. an optical fiber splicer, described optical fiber splicer comprises structure of fiber_optic, the optical fiber transport portion, image capture part and control section, image capture obtains the information of welding area and is sent to control section, control section is controlled structure of fiber_optic and the motion of optical fiber transport portion, it is characterized in that: described image capture can obtain the intensity signal of welding area and occur to control section, described control section has the module that intensity signal is calculated and compares, control section is controlled the motion of optical fiber transport portion according to the variable quantity that obtains intensity signal, described control section comprises following three state: A, control first optical fiber and enter welding area, read the intensity signal variable quantity, when the intensity signal variable quantity reaches predetermined the first threshold values, stop advancing first optical fiber, B, control second optical fiber and enter welding area, read the intensity signal variable quantity, until the intensity signal variable quantity reaches predetermined the second threshold values, stop advancing second optical fiber, C, after completing, A and B advance first optical fiber and second optical fiber to move predeterminable range.
6. want 5 described optical fiber splicers according to right, it is characterized in that: described optical fiber splicer also comprises manual control inputs interface and display screen, after control section completes the C step, by manual control inputs interface input control signal to control section, control structure of fiber_optic and/or the motion of optical fiber transport portion, and be presented on display screen after partly obtaining the optical fiber image information by image capture.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105974516A (en) * | 2016-04-20 | 2016-09-28 | 安徽理工大学 | Full-automatic handheld ribbon fiber cutting and end processing all-in-one machine and using method thereof |
CN107632344A (en) * | 2017-11-02 | 2018-01-26 | 诺仪器(中国)有限公司 | The fiber end face Solid rocket engine method and system of optical fiber splicer |
CN112719585A (en) * | 2020-12-16 | 2021-04-30 | 深圳市讯泉科技有限公司 | Fusion control method, device, equipment and computer readable storage medium |
WO2022244843A1 (en) * | 2021-05-21 | 2022-11-24 | 住友電気工業株式会社 | Fusion splicing machine |
Citations (3)
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JPH09311243A (en) * | 1996-05-17 | 1997-12-02 | Furukawa Electric Co Ltd:The | Optical fiber fusion splicing device |
CN1393708A (en) * | 2001-06-27 | 2003-01-29 | 株式会社藤仓 | Optical fibre welder and method for estimating discharging beam shape of optical fibre welder |
CN101251624A (en) * | 2008-03-22 | 2008-08-27 | 燕山大学 | Photon crystal optical fiber fusion splicing three-dimensional alignment apparatus and method |
-
2013
- 2013-08-28 CN CN201310379722.8A patent/CN103424808B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09311243A (en) * | 1996-05-17 | 1997-12-02 | Furukawa Electric Co Ltd:The | Optical fiber fusion splicing device |
CN1393708A (en) * | 2001-06-27 | 2003-01-29 | 株式会社藤仓 | Optical fibre welder and method for estimating discharging beam shape of optical fibre welder |
CN101251624A (en) * | 2008-03-22 | 2008-08-27 | 燕山大学 | Photon crystal optical fiber fusion splicing three-dimensional alignment apparatus and method |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105974516A (en) * | 2016-04-20 | 2016-09-28 | 安徽理工大学 | Full-automatic handheld ribbon fiber cutting and end processing all-in-one machine and using method thereof |
CN107632344A (en) * | 2017-11-02 | 2018-01-26 | 诺仪器(中国)有限公司 | The fiber end face Solid rocket engine method and system of optical fiber splicer |
CN107632344B (en) * | 2017-11-02 | 2020-03-06 | 一诺仪器(中国)有限公司 | Optical fiber end face propulsion control method and system of optical fiber fusion splicer |
CN112719585A (en) * | 2020-12-16 | 2021-04-30 | 深圳市讯泉科技有限公司 | Fusion control method, device, equipment and computer readable storage medium |
CN112719585B (en) * | 2020-12-16 | 2022-06-17 | 深圳市讯泉科技有限公司 | Fusion splicing control method, device, equipment and computer readable storage medium |
WO2022244843A1 (en) * | 2021-05-21 | 2022-11-24 | 住友電気工業株式会社 | Fusion splicing machine |
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Effective date of registration: 20171116 Address after: 610000, B-6, Qingyang Industrial Park, dragon industrial port, Qingyang District, Sichuan, Chengdu Patentee after: SIGNAL FIRE TECHNOLOGY Co.,Ltd. Address before: 610000 Sichuan province Chengdu city Qingyang District street small pavilion 0422 sandalwood garden project Patentee before: Luo Chunhui |
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