CN101063737A - Optical fibre identification method and apparatus - Google Patents
Optical fibre identification method and apparatus Download PDFInfo
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- CN101063737A CN101063737A CN 200610026304 CN200610026304A CN101063737A CN 101063737 A CN101063737 A CN 101063737A CN 200610026304 CN200610026304 CN 200610026304 CN 200610026304 A CN200610026304 A CN 200610026304A CN 101063737 A CN101063737 A CN 101063737A
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Abstract
This invention relates to one fiber identification method and device and relates to one method and device for fiber brand, which provides two kinds of devices and methods through analysis fiber end property ring color and diameter for different brands of fiber. This invention has the following advantages as: high automatic degree, small participation and low demands of sample device to ensure identification accuracy and reliability.
Description
Technical field
The present invention relates to a kind of optical fibre identification method and device, relate in particular to a kind of method and device of differentiating for the brand of optical fiber.
Background technology
The silica optical fiber that communication is used generally is divided into three layers: the center is the glass core of high index of refraction, and the centre is the silex glass covering (dividing inner cladding and surrounding layer) of low-refraction, and outermost is the resinous coat of protection usefulness.A lot of optical fiber brands are arranged on the market, and optical fiber producer often is coated with the last layer special coating and protects the brand of oneself in order to distinguish the optical fiber of oneself outside resinous coat.Special coating can be differentiated differentiation by Infrared spectroscopy (FTIR).But for convenience of fiber identification, optical fiber needs painted before stranding, needs to remove dyed layer before the analysis coating.The quality that dyed layer is removed can direct impact analysis result.
The production technology of optical fiber generally is at first to prepare prefabricated rods, then prefabricated rods is drawn into optical fiber.All comprise the preparation of sandwich layer, inner cladding, surrounding layer among the preparation technology of these preforms.The prefabricated rods that different manufacturers make has the proportioning of different interior surrounding layers.Simultaneously, there is distinct methods in different manufacturers in the preparation for interior surrounding layer.According to reaction conditions and sedimentation state, the preparation method of present international preform mainly contains following several: the OVD method (managing outer vapour deposition process) that with the Corning Incorporated is representative; With Japanese SHIN-ETSU HANTOTAI, Furukawa, Teng Cang, Sumitomo etc. is the VAD method (axial vapor deposition method) of representative; With former U.S. Lucent and French ALCATEL and Dutch PHILIPS is the MCVD (improvement chemical vapour deposition technique) of representative and PCVD (plasma vapor phase deposition) etc.Except adopting direct sedimentation, the also employing tiretube process that has, tiretube process has inner sleeve and outer tube etc., has specific unrelieved stress like this on the interior surrounding layer interface of prefabricated rods.In addition, different manufacturers adopts different heating to dissolve and during drawing process such as cooling when drawing optical fiber, also can make on the interior surrounding layer interface of the optical fiber of making to have different unrelieved stresss.
Summary of the invention
As mentioned above, because the refractive index difference of interior surrounding layer when the polarizing light irradiation fiber end face, can form the feature ring on interior surrounding layer interface, the feature ring of different brands is because the unrelieved stress difference on the interior surrounding layer interface can present different colors; Simultaneously, the proportioning of the interior surrounding layer of different brands optical fiber all has difference in various degree to make its characteristic of correspondence ring have different diameters.Therefore, analyze the color and the diameter of the feature ring of fiber end face, can differentiate the optical fiber of different brands.
The invention provides a kind of optical fiber identification device, it comprises: light source; The directional light conversion equipment, the light that described light source is produced converts directional light to; Polaroid comprises the polarizer and analyzer, is used for converting described directional light to polarized light; Fiber clamp between the described polarizer and described analyzer, is used to press from both sides sample fiber; Convex lens are positioned at described analyzer rear, are used for imaging; Imageing sensor is positioned at described analyzer rear, is used for converting light signal to picture signal; Display, it connects described imageing sensor, is used to show the image of sample fiber; Image analyzer, it connects described display, is used to measure the diameter and the stored data base of the feature ring that needs the discriminating sample, and described database comprises the feature ring image of brand name and described brand.
The present invention also provides a kind of optical fibre identification method, and its step comprises:
(1) places light source, directional light conversion equipment, the polarizer, fiber clamp, analyzer, convex lens and imageing sensor successively;
(2) open described light source, use described directional light conversion equipment, the light that described light source is produced converts directional light to, and passes through convex lens focus;
(3) with described fiber clamp fiber clamping sample, make directional light be radiated on the end face of described sample fiber;
(4) with the optical information of described imageing sensor reception, convert optical information to image information, and this image is presented on the display that is connected with described imageing sensor from the sample fiber end face;
(5) the described polarizer of rotation and described analyzer make directional light be converted to polarized light, occur the feature ring then on described display;
(6) use the diameter of the image analyzer measuring samples feature ring that is connected with described display;
(7) the feature ring of the sample feature ring with the various brands of the database that is arranged in described image analyzer is compared,, determine the brand of sample by the relatively diameter and the color of ring.
The present invention provides a kind of optical fiber identification device again, and it comprises: light source; The directional light conversion equipment, the light that described light source is produced converts directional light to; Polaroid comprises the polarizer and analyzer, is used for converting described directional light to polarized light; Fiber clamp between the described polarizer and described analyzer, is used to press from both sides sample fiber; Convex lens are positioned at described analyzer rear, are used for imaging; Imageing sensor is positioned at described analyzer rear, is used for converting light signal to picture signal; Image analysis system, it comprises: with the input media that described imageing sensor is connected, described input media is used for reading the image information of the sample fiber end face feature ring of described imageing sensor; With the measurement mechanism that described input media is connected, described measurement mechanism is used for the diameter and the color of the feature ring of measuring optical fiber sample; Storer is used for stored data base, and described database comprises the feature ring image of brand name and described brand; Identification device between described measurement mechanism and described storer, described identification device are used for the making comparisons of the feature ring of the diameter of the feature ring of sample fiber and color and described database analyzed the brand of sample fiber; And the output unit that is connected with described identification device, be used for the identification result of output optical fibre sample.
The present invention provides a kind of optical fibre identification method at last, and its step comprises:
(1) image analysis system of placing light source, directional light conversion equipment, the polarizer, fiber clamp, analyzer, convex lens, imageing sensor successively and linking to each other with described imageing sensor;
(2) open described light source, use described directional light conversion equipment, the light that described light source is produced converts directional light to, and passes through convex lens focus;
(3) with described fiber clamp fiber clamping sample, make directional light be radiated on the end face of described sample fiber;
(4) convert image information to the optical information of described imageing sensor reception, and with optical information from the sample fiber end face;
(5) the described polarizer of rotation and described analyzer convert directional light to polarized light, satisfy to form the feature ring on the end face of sample fiber;
(6) input media of described image analysis system reads the image information of feature ring;
(7) measurement mechanism of described image analysis system is determined the color and the radius of the feature ring of sample fiber;
(8) identification device of described image analysis system compares the feature ring of the sample feature ring with the various brands of the database that is arranged in described image analyzer, if the color of the feature ring of sample and certain brand is similar with diameter, then on the output unit of described image analysis system, export this brand name; Similar as brandless feature ring to sample, then on described output unit, export " not having similar image " and sample message is recorded to database.
The invention has the advantages that the automaticity height, the artificial participation lacked, and in addition, is not very high to demands of sample device, therefore can guarantee correctness and the reliability differentiated to a great extent.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is an embodiment of optical fiber identification device;
Fig. 2 is another embodiment of optical fiber identification device;
Fig. 3 is the process flow diagram of image analysis system;
Fig. 4 is the feature ring of a certain sample fiber;
Fig. 5 is the feature ring of another sample fiber.
Embodiment
See also Fig. 1, Fig. 1 is an embodiment of optical fiber identification device.As shown in the figure, this device comprises successively: light source 11; Directional light conversion equipment 12: catoptron 121, diffuser 122, lens 123, iris shutter 124; Polaroid 13: the polarizer 131 and analyzer 132; Fiber clamp 14 between the polarizer 131 and analyzer 132 and convex lens 15; Ccd sensor 16; Display 17 that links to each other with ccd sensor 16 and image analyzer 18.
Adopt the optical fibre identification method of said apparatus, its step comprises:
1. specimen preparation:
A. remove with the resinous coat of optical fiber fiber stripping pincers sample fiber.
B. with the optical fiber cutter optical fiber is cut into a section of 0.5cm-10cm, end face requires smooth cleaning.
2. the formation of feature ring and measurement:
C. open light source 11, light source 11 converts directional light to by catoptron 121, diffuser 122, lens 123, iris shutter 124, and focuses on by convex lens 15.
D. use fiber clamp 14 fiber clamping samples 19, make directional light be radiated on the end face of sample fiber 19.
E. the optical information that receives from sample fiber 19 end faces with ccd sensor 16 converts optical information to image information, and this image is presented on the display 17.
F. rotate the polarizer 131 and analyzer 132, make the feature ring to occur on the display 17.
G. use the diameter of the image analysis software measuring samples feature ring in the image analyzer 18.
3. analyze:
H. the feature ring of the sample feature ring with the various brands of the database that is arranged in image analyzer 18 is compared,, determine the brand of sample by the relatively diameter and the color of ring.About the comparison of color, but the reference standard colour atla compares.
Should be understood that the foregoing description is not limited to ccd sensor 26, any have that optical information is changed into the imageing sensor of image information function is all in the present invention available.
Now see also Fig. 2, introduce another embodiment of optical fiber identification device of the present invention below.As shown in the figure, this device comprises successively: light source 21; Directional light conversion equipment 22: catoptron 221, diffuser 222, lens 223, iris shutter 224; Polaroid 23: the polarizer 231 and analyzer 232; Fiber clamp 24 between the polarizer 231 and analyzer 232 and convex lens 25; Ccd sensor 26; Display 27 that is connected with ccd sensor 26 and image analysis system 28.
Image analysis system 28 comprises input media 281, and it is connected with ccd sensor 26, is used for reading the image information of the sample fiber end face feature ring of ccd sensor 26; Measurement mechanism 282, it is connected with input media 281, is used for the diameter and the color of the feature ring of measuring optical fiber sample; Storer 283 is used for stored data base, and database comprises the diameter and the color of the feature ring of brand name, brand; Identification device 284, it is between measurement mechanism 282 and storer 283, be used for making comparisons with the feature ring of the diameter of the feature ring of sample fiber and color and database, analyze the brand and the output unit 285 of sample fiber, it is connected with identification device 284, is used for the identification result of output optical fibre sample.
Adopt the optical fibre identification method of said apparatus, its step comprises:
1. specimen preparation:
A. remove with the resinous coat of optical fiber fiber stripping pincers sample fiber.
B. with the optical fiber cutter optical fiber is cut into a section of 0.5cm-10cm, end face requires smooth cleaning.
2. the formation of feature ring and measurement:
C. open light source 21, light source 21 converts directional light to by catoptron 221, diffuser 222, lens 223, iris shutter 224, and focuses on by convex lens 25.
D. use fiber clamp 24 fiber clamping samples 29, make directional light be radiated on the end face of sample fiber 29.
E. the optical information that receives from sample fiber 29 end faces with ccd sensor 26 converts optical information to image information, and this image is presented on the display 27.
F. rotate the polarizer 231 and analyzer 232, when the polarization direction that the voltage of light source 21 transfers to 5-15 volt and the polarizer 231 and analyzer 232 becomes 10-80 degree angle, can make directional light be converted to polarized light, polarizing light irradiation is satisfied formation feature ring on the end face of sample fiber on the end face of sample fiber 29.
3. adopt image analysis system 28 to analyze: (see also Fig. 3, Fig. 3 is the process flow diagram of image analysis system)
G. the input media 281 of image analysis system 28 reads the image information of feature ring.(step 301)
H. the measurement mechanism 282 of image analysis system 28 is determined the color and the diameter of the feature ring of sample fiber.(step 302)
I. the identification device 284 of image analysis system 28 compares the feature ring of the sample feature ring with the various brands of the database that is arranged in storer 283, if the color of the feature ring of sample and certain brand and diameter coupling, then this brand name of output on output unit 285; As feature ring coupling brandless and sample, then on output unit 285, export " not having similar image " and sample message is recorded to database.(step 303) wherein, but identification device 284 reference standard colour atlas compare the color of each feature ring.
Should be understood that the foregoing description is not limited to ccd sensor 26, any have that optical information is changed into the imageing sensor of image information function is all in the present invention available.In addition, display 27 is not essential; Based in like manner, " image is presented on the display 27 " among the step e neither be essential, if when comprising display 27, display 27 and output unit 285 can be same device.
At last, see also Fig. 4 and Fig. 5, Fig. 4 is the feature ring of sample fiber 1, and Fig. 5 is the feature ring of sample fiber 2.
Identification result is as follows:
| Sample | The color of ring | The overall diameter of | Identification result | |
| 1 | Pantone 1205c | 14 | Brand A | |
| 2 | Pantone 2935c | 18.1 | Brand B |
Annotate: Pantone is a kind of standard color card.
The foregoing description is only given an example for convenience of description, is not the restriction to scope of the present invention.For the general personnel in present technique field, can under the situation that does not break away from spirit of the present invention, make many variations.Therefore, the scope that the present invention advocated should be as the criterion so that the claim in claims is described.
Claims (9)
1. optical fiber identification device, it comprises:
Light source;
The directional light conversion equipment, the light that described light source is produced converts directional light to;
Polaroid comprises the polarizer and analyzer, is used for converting described directional light to polarized light;
Fiber clamp between the described polarizer and described analyzer, is used to press from both sides sample fiber;
Convex lens are positioned at described analyzer rear, are used for imaging;
Imageing sensor is positioned at described analyzer rear, is used for converting light signal to picture signal;
Display, it connects described imageing sensor, is used to show the image of sample fiber;
Image analyzer, it connects described display, is used to measure the diameter and the stored data base of the feature ring that needs the discriminating sample, and described database comprises the feature ring image of brand name and described brand.
2. optical fiber identification device as claimed in claim 1 is characterized in that, described imageing sensor is a ccd sensor.
3. optical fibre identification method, its step comprises:
(1) places light source, directional light conversion equipment, the polarizer, fiber clamp, analyzer, convex lens and imageing sensor successively;
(2) open described light source, use described directional light conversion equipment, the light that described light source is produced converts directional light to, and passes through convex lens focus;
(3) with described fiber clamp fiber clamping sample, make directional light be radiated on the end face of described sample fiber;
(4) with the optical information of described imageing sensor reception, convert optical information to image information, and this image is presented on the display that is connected with described imageing sensor from the sample fiber end face;
(5) the described polarizer of rotation and described analyzer make directional light be converted to polarized light, occur the feature ring then on described display;
(6) use the diameter of the image analyzer measuring samples feature ring that is connected with described display;
(7) the feature ring of the sample feature ring with the various brands of the database that is arranged in described image analyzer is compared,, determine the brand of sample by the relatively diameter and the color of ring.
4. optical fiber identification device, it comprises:
Light source;
The directional light conversion equipment, the light that described light source is produced converts directional light to;
Polaroid comprises the polarizer and analyzer, is used for converting described directional light to polarized light;
Fiber clamp between the described polarizer and described analyzer, is used to press from both sides sample fiber;
Convex lens are positioned at described analyzer rear, are used for imaging;
Imageing sensor is positioned at described analyzer rear, is used for converting light signal to picture signal;
Image analysis system, it comprises:
With the input media that described imageing sensor is connected, described input media is used for reading the image information of the sample fiber end face feature ring of described imageing sensor;
With the measurement mechanism that described input media is connected, described measurement mechanism is used for the diameter and the color of the feature ring of measuring optical fiber sample;
Storer is used for stored data base, and described database comprises the feature ring image of brand name and described brand;
Identification device between described measurement mechanism and described storer, described identification device are used for the making comparisons of the feature ring of the diameter of the feature ring of sample fiber and color and described database analyzed the brand of sample fiber; And
With the output unit that described identification device is connected, be used for the identification result of output optical fibre sample.
5. optical fiber identification device as claimed in claim 4 is characterized in that, described imageing sensor is a ccd sensor.
6. optical fiber identification device as claimed in claim 4 is characterized in that, also comprises display, and it connects described imageing sensor, is used to show the image of sample fiber.
7. optical fiber identification device as claimed in claim 6 is characterized in that, described output unit and described display are same device.
8. optical fibre identification method, its step comprises:
(1) image analysis system of placing light source, directional light conversion equipment, the polarizer, fiber clamp, analyzer, convex lens, imageing sensor successively and linking to each other with described imageing sensor;
(2) open described light source, use described directional light conversion equipment, the light that described light source is produced converts directional light to, and passes through convex lens focus;
(3) with described fiber clamp fiber clamping sample, make directional light be radiated on the end face of described sample fiber;
(4) convert image information to the optical information of described imageing sensor reception, and with optical information from the sample fiber end face;
(5) the described polarizer of rotation and described analyzer convert directional light to polarized light, satisfy to form the feature ring on the end face of sample fiber;
(6) input media of described image analysis system reads the image information of feature ring;
(7) measurement mechanism of described image analysis system is determined the color and the radius of the feature ring of sample fiber;
(8) identification device of described image analysis system compares the feature ring of the sample feature ring with the various brands of the database that is arranged in described image analyzer, if the color of the feature ring of sample and certain brand and diameter coupling, then this brand name of output on the output unit of described image analysis system; As feature ring coupling brandless and sample, then on described output unit, export " not having similar image " and sample message is recorded to database.
9. method as claimed in claim 8 is characterized in that, described step 4 also comprises image is presented on the display that is connected with described imageing sensor.
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| CNB2006100263040A CN100472260C (en) | 2006-04-30 | 2006-04-30 | Optical fibre identification method and apparatus |
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| CNB2006100263040A CN100472260C (en) | 2006-04-30 | 2006-04-30 | Optical fibre identification method and apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104897366A (en) * | 2015-06-12 | 2015-09-09 | 长飞光纤光缆股份有限公司 | Method, device and system for on-line detection of chromatic circle fibers |
| CN106846298A (en) * | 2016-12-22 | 2017-06-13 | 清华大学 | The recognition methods of optical fiber winding displacement and device |
| CN109084958A (en) * | 2018-09-04 | 2018-12-25 | 南京沃福曼医疗科技有限公司 | A kind of photosensitive detection box of multi-functional OCT equipment |
| CN112180526A (en) * | 2020-10-04 | 2021-01-05 | 常熟高通智能装备有限公司 | Intelligent manufacturing method of layer-stranded communication optical cable core |
| CN114322781A (en) * | 2020-09-28 | 2022-04-12 | 苏州优斯登物联网科技有限公司 | Monitoring system and monitoring method with photoelectric sensor |
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2006
- 2006-04-30 CN CNB2006100263040A patent/CN100472260C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897366A (en) * | 2015-06-12 | 2015-09-09 | 长飞光纤光缆股份有限公司 | Method, device and system for on-line detection of chromatic circle fibers |
| CN104897366B (en) * | 2015-06-12 | 2017-07-28 | 长飞光纤光缆股份有限公司 | A kind of colour circle optical fiber online test method and device, system |
| CN106846298A (en) * | 2016-12-22 | 2017-06-13 | 清华大学 | The recognition methods of optical fiber winding displacement and device |
| CN106846298B (en) * | 2016-12-22 | 2023-07-14 | 清华大学 | Optical fiber flat cable identification method and device |
| CN109084958A (en) * | 2018-09-04 | 2018-12-25 | 南京沃福曼医疗科技有限公司 | A kind of photosensitive detection box of multi-functional OCT equipment |
| CN114322781A (en) * | 2020-09-28 | 2022-04-12 | 苏州优斯登物联网科技有限公司 | Monitoring system and monitoring method with photoelectric sensor |
| CN114322781B (en) * | 2020-09-28 | 2024-04-23 | 苏州优斯登物联网科技有限公司 | Monitoring system with photoelectric sensor and monitoring method |
| CN112180526A (en) * | 2020-10-04 | 2021-01-05 | 常熟高通智能装备有限公司 | Intelligent manufacturing method of layer-stranded communication optical cable core |
| CN112180526B (en) * | 2020-10-04 | 2021-12-24 | 江苏科信光电科技有限公司 | Intelligent manufacturing method of layer-stranded communication optical cable core |
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| CN100472260C (en) | 2009-03-25 |
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Address after: 200233 No. 200 Chiang Lu, Shanghai Patentee after: Corelle (Shanghai) Optical Fiber Co.,Ltd. Address before: 200233 No. 200 Chiang Lu, Shanghai Patentee before: SHANGHAI OPTICAL FIBER Co.,Ltd. |
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Effective date of registration: 20160513 Address after: SIEMENS road 610042 Sichuan city of Chengdu province high tech Industrial Development Zone No. 1 Patentee after: CORNING OPTICAL FIBER CABLE (CHENGDU) CO.,LTD. Address before: No. 200 Qin Jiang Road, Shanghai Patentee before: Corelle (Shanghai) Optical Fiber Co.,Ltd. |