CN102749288B - Dynamic fiber double-refraction measuring instrument - Google Patents
Dynamic fiber double-refraction measuring instrument Download PDFInfo
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- CN102749288B CN102749288B CN201210251508.XA CN201210251508A CN102749288B CN 102749288 B CN102749288 B CN 102749288B CN 201210251508 A CN201210251508 A CN 201210251508A CN 102749288 B CN102749288 B CN 102749288B
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Abstract
The invention discloses a dynamic fiber double-refraction measuring instrument which comprises a transmission and reflection polarization microscope, a camera, a computer, a display, a printer and a dynamic fiber testing platform. The transmission and reflection polarization microscope is provided with a polarizer, a polarization analyzer, a testing jig and a differential-free direct optical path compensating device, the camera is fixed onto the transmission and reflection polarization microscope, the computer is electrically connected with the camera, the display and the printer are respectively connected with the computer, the dynamic fiber testing platform is used for testing fibers, is fixed onto the testing jig of the polarization microscope and further consists of a carrying device for the fibers, two fiber guide wheels and two miniature motors, the two fiber guide wheels are disposed on two sides of the carrying device respectively and used for guiding the fibers, and the miniature motors are respectively arranged on outer sides of the fiber guide wheels, stretch the fibers and apply pretension and drafting force on the fibers, so that the fibers deform in the carrying device in a tensile manner. Accordingly, a dynamic fiber testing effect is achieved.
Description
Technical field
The present invention relates to macromolecular material fields of measurement, particularly a kind of dynamic fiber double-refraction measuring apparatus.
Background technology
According to national standard, textile fibres birefraction has Becke-line method, interferometric method and penalty method.
Becke-line method and interferometric method are measured numerous and diverse, time-consuming, the impact of liquid body refractive index.
Penalty method is divided into San'a and covers phase compensation method, fixed light path difference penalty method and Bei Ruike optical path difference penalty method.
Domestic traditional fixed light path difference penalty method, is the crystal compensating plate of making multi-disc different size, and the mode by stack of making it obtains last optical path difference and compensates.Method time-consuming poor repeatability, inconvenient operation, measuring accuracy and the poor repeatability of the multiple crystal compensating plate combination of this making.
The said method that external research and Related product have been abandoned, and adopt Bei Ruike penalty method, use the artificial optical path difference compensator rotating continuously for it.Although easy to operate, measuring accuracy is also high, it also can only observe and measure Fibre Birefringence rate under static condition, cannot accomplish kinetic measurement.
What develop now is that Automatic continuous rotates the direct optical path difference compensation system that has fine adjustment function, broken through external existing product, configuration drawing of fiber device and automatically control, energy kinetic measurement Fibre Birefringence rate, make the measuring technique of birefraction have breakthrough development, filled up the domestic and international blank at this field dynamic measuring tech and product.
There is following defect in prior art:
First: can only under static condition, Fibre Birefringence rate be observed and be measured, cannot accomplish kinetic measurement;
Second: adopt and manually adjust optical path difference compensation system, precision is not high, and cumbersome;
The the 3rd: the adjustment angular range to eyeglass is wide not, is not suitable for the compensation of miscellaneous new material.
Summary of the invention
In order to overcome the defect of prior art, the invention discloses a kind of dynamic fiber double-refraction measuring apparatus, it breaks through traditional differential crystal optical path difference compensation that has, and use novel in differential optical path compensation, by the crystal compensation system containing fine adjustment function rotating continuously, the optical path difference of generation presents linear relationship with respect to rotational angle.Compare conventional crystal compensation, wide ranges, measuring accuracy is high, easy and simple to handle.Under dynamic and static, measure the birefringence of fiber with the continuous Changing Pattern of stretching form process.Computing machine synchronously obtains and processes various Fibre Birefringence interference color coloured picture spectrums, realizes quick specialty analysis, automatically calculates birefraction and corresponding orientation value.
Technical scheme of the present invention is as follows:
A dynamic fiber double-refraction measuring apparatus, comprising: with the polarizer, analyzer, the saturating reflection polarizing microscope of testing jig, camera, computing machine, display, printer; Camera is fixed on reflection polarizing microscope; Computing machine and camera electrical connection; Display, printer are connected with computing machine respectively; Also comprise: the dynamic fiber test platform of test fiber; Described test platform is fixed on the testing jig of described polarizing microscope;
Described dynamic fiber test platform, further comprises:
The bogey of fiber, be respectively arranged at bogey both sides for two godet wheels of guide fiber, be arranged at respectively two micromachines that fiber is stretched in godet wheel outside;
Described micromachine imposes pretension and drafting force to fiber, makes fiber in bogey, carry out stretcher strain, thereby reaches the test effect of dynamic fiber;
Described dynamic fiber double-refraction measuring apparatus also comprises that it is arranged between the polarizer, analyzer without differential direct optical path compensation device; Described without differential direct optical path compensation device, further comprise:
Crystal complementary color part and micromatic setting part, described crystal complementary color part is together with micromatic setting partial fixing; Crystal complementary color part at least comprises that the eyeglass that compensates light path, described eyeglass are that strontium fluoride crystal material is made.
Preferably, described dynamic fiber double-refraction measuring apparatus, its bogey comprises a groove structure, described groove structure both sides correspondence has a hole separately; Fiber is worn to another hole from a hole; A corresponding godet wheel and a motor outside each hole.
Preferably, described dynamic fiber double-refraction measuring apparatus, its crystal complementary color partly also comprises and in described mechanical long handle, is provided with groove by mechanical long handle; Described eyeglass is arranged in groove.
Preferably, described dynamic fiber double-refraction measuring apparatus, its micromatic setting partly comprises stepper motor, worm and gear and worm-wheel shaft; Described worm and gear comprises worm gear and worm screw; Described worm gear is that gear is connected with worm screw; Described stepper motor is connected in described worm screw; Described worm-wheel shaft and described worm gear are fixed together; The control end of described stepper motor and computing machine electrical connection.
Preferably, described dynamic fiber double-refraction measuring apparatus, is also provided with eyeglass rotating shaft in its mechanical long handle, and described eyeglass rotating shaft one end and described worm-wheel shaft are fixed together; The described eyeglass rotating shaft other end and described groove are fixed together.
Preferably, described dynamic fiber double-refraction measuring apparatus, its bogey is a square groove, described fiber is placed in described square groove; Described square groove two ends are provided with aperture; Described fiber is around on described godet wheel through aperture, and described fiber two ends are connected on corresponding micromachine separately.
Preferably, described dynamic fiber double-refraction measuring apparatus, its eyeglass is that strontium fluoride crystal material is made, it is rectangle thin slice; Described eyeglass length is 8 ± 0.001mm; Width is 3 ± 0.001mm; Thickness is 1 ± 0.001mm.
Preferably, described dynamic fiber double-refraction measuring apparatus, its mechanical long handle length is 18 ± 0. 1mm; Width is 5 ± 0. 01mm; Thickness is 3 ± 0.001mm; Described groove length is 9 ± 0. 01mm; Recess width is 3.3 ± 0. 01mm; Depth of groove is 1.2 ± 0.001mm; The top of described groove top and described mechanical long handle is at a distance of 2 ± 0. 01mm.
Preferably, described dynamic fiber double-refraction measuring apparatus, its square groove length is 15 ± 0. 1mm; Width is 5 ± 0. 01mm; Be highly 5 ± 0. 01mm; Described small aperture is 1.2 ± 0. 1mm; Both sides godet wheel centre distance is 20 ± 0. 1mm.
Compared with prior art, beneficial effect of the present invention is as follows:
First: can under dynamic condition, Fibre Birefringence rate be observed and be measured
Second: the miniature step-by-step controller being used in conjunction with light path direct compensation device of the present invention, can finely tune the rotation of eyeglass, degree of regulation is higher.
The the 3rd: light path direct compensation device of the present invention its material special construction of eyeglass used is special.
Accompanying drawing explanation
fig. 1 is the fundamental diagram of specific embodiment of the invention dynamic fiber double-refraction measuring apparatus;
Fig. 2 is the internal cross section figure of specific embodiment of the invention optical path compensation device;
Fig. 3 is the structural representation of specific embodiment of the invention optical path compensation device;
Fig. 4 is the plan structure schematic diagram of specific embodiment of the invention drafting assembly;
Fig. 5 is the side-looking structural representation of specific embodiment of the invention drafting assembly.
Embodiment
Embodiment
As Fig. 1, a kind of dynamic fiber double-refraction measuring apparatus, comprising: with the polarizer 6, analyzer 2, testing jig with without saturating reflection polarizing microscope 3, camera 7, computing machine 13, display 12, the printer 14 of differential direct optical path compensation device 4; Camera is fixed on reflection polarizing microscope; Computing machine and camera electrical connection; Display, printer are connected with computing machine respectively.
As Fig. 1 and Fig. 4 (or Fig. 5), also comprise: the dynamic fiber test platform 5 of test fiber; Described test platform 5 is fixed on the testing jig of described polarizing microscope; Described dynamic fiber test platform, further comprises: the bogey 201 of fiber, and bogey is a square groove, described fiber is placed in described square groove; Described square groove two ends be provided with aperture 202 and 203, be respectively arranged at bogey both sides for two godet wheels 204 and 205 of guide fiber, be arranged at respectively two micromachines 206 that fiber is stretched and 207 in godet wheel outside; Fiber 208 is around on described godet wheel 204 and 205 through aperture 202 and 203, and described fiber two ends are connected on corresponding micromachine 206 and 207 separately; Described micromachine imposes pretension and tractive force to fiber, makes fiber in bogey, carry out stretcher strain, thereby reaches the test effect of dynamic fiber; Described square groove length is 15 ± 0. 1mm; Width is 5 ± 0. 01mm; Be highly 5 ± 0. 01mm; Described small aperture is 1.2 ± 0. 1mm; Both sides godet wheel centre distance is 20 ± 0. 1mm.
As Fig. 1 and Fig. 2, described without differential direct optical path compensation device 4, it is arranged between the polarizer 6, analyzer 2; Described without differential direct optical path compensation device, further comprise: crystal complementary color part and micromatic setting part, described crystal complementary color part is together with micromatic setting partial fixing; Crystal complementary color part at least comprises the eyeglass 105 that compensates light path; Described eyeglass is that strontium fluoride crystal material is made, and it is rectangle thin slice; Described eyeglass length is 8 ± 0.001mm; Width is 3 ± 0.001mm; Thickness is 1 ± 0.001mm.
As Fig. 2, described crystal complementary color partly also comprises and in described mechanical long handle, is provided with groove 107 by mechanical long handle 106; Described eyeglass 105 is arranged in groove 107; Described mechanical long handle length is 18 ± 0. 1mm; Width is 5 ± 0. 01mm; Thickness is 3 ± 0.001mm; Described groove length is 9 ± 0. 01mm; Recess width is 3.3 ± 0. 01mm; Depth of groove is 1.2 ± 0.001mm; The top of described groove top and described mechanical long handle is at a distance of 2 ± 0. 01mm.
As Fig. 2 with as Fig. 3, described micromatic setting partly comprises stepper motor 108, worm and gear and worm-wheel shaft 102; Described worm and gear comprises worm gear 103 and worm screw 101; Described worm gear 103 and worm screw 101 are connected for gear; Described stepper motor 108 is connected in described worm screw 101; Described worm-wheel shaft and described worm gear are fixed together; The control end of described stepper motor and computing machine electrical connection.
As Fig. 2, in described mechanical long handle 106, be also provided with eyeglass rotating shaft 104, described eyeglass rotating shaft one end and described worm-wheel shaft 102 are fixed together; The described eyeglass rotating shaft other end and described groove 107 are fixed together; Stepper motor fine-adjustment rotary drives worm and gear to rotate, because worm-wheel shaft is fixed on worm and gear, worm-wheel shaft also rotates thereupon, thereby drives eyeglass rotating shaft also to rotate thereupon, and groove and eyeglass rotating shaft be also fixed on together with, so drive in linkage eyeglass to rotate together; Described whole process is exactly the angle fine setting of the rotation drive eyeglass of stepper motor, because the control end of stepper motor is controlled by computing machine, so the angle of its rotation can reach very high precision, so the fine setting of the angle of eyeglass also can reach high precision, in the present embodiment, due to the special manufacture of worm gear equipment, its vernier angle can reach positive and negative 45 degree.
The principle of work of a kind of dynamic fiber double-refraction measuring apparatus of the brief description specific embodiment of the invention:
When testing, described dynamic fiber test platform is fixed on the testing jig of described reflection polarizing microscope; The fiber of dynamic operation, as Fig. 4 or Fig. 5, makes it stretch the parallel dynamic fiber test platform that is placed in, and the water of moistening fiber is housed in wherein said bogey; Micromachine in described dynamic fiber test platform is by computer control, micromachine is accurately controlled the pretension of tested fiber, tested fiber is accurately sent into the precalculated position in optical path simultaneously, at tested fiber upper cover at microslide, regulate polarization microscope, first make the polarizer and analyzer quadrature, the visual field is entirely dark.
The running of computer-controlled stepper motor, when compensating light eyeglass produces the optical path difference that the birefraction with tested fiber samples matches, just can complete at dynamic lower mensuration Fibre Birefringence with the continuous Changing Pattern in drawing-off form process; Simultaneously under the synchronous shooting of camera, by image capture interface, send into computing machine, computing machine obtains and processes various Fibre Birefringences and interferes color atlas, by the specialty analysis software in computing machine, realize quick specialty analysis again, automatically calculate Fibre Birefringence rate and corresponding orientation value, and by printer the most at last test structure print.
In the present embodiment, computing machine is uploaded to be useful on and is controlled the image capture software that camera is taken MIcrosope image, for specialty analysis software that the image collecting is analyzed and the software of control step motor and micromachine running.
The preferred embodiment of the present invention is just for helping to set forth the present invention.Preferred embodiment does not have all details of detailed descriptionthe, and also not limiting this invention is only described embodiment.Obviously, according to the content of this instructions, can make many modifications and variations.These embodiment are chosen and specifically described to this instructions, is in order to explain better principle of the present invention and practical application, thereby under making, technical field technician can utilize the present invention well.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (9)
1. a dynamic fiber double-refraction measuring apparatus, comprising: with the polarizer, analyzer, the saturating reflection polarizing microscope of testing jig, camera, computing machine, display, printer; Camera is fixed on reflection polarizing microscope; Computing machine and camera electrical connection; Display, printer are connected with computing machine respectively; It is characterized in that, also comprise: the dynamic fiber test platform of test fiber; Described test platform is fixed on the testing jig of described polarizing microscope;
Described dynamic fiber test platform, further comprises:
The bogey of fiber, be respectively arranged at bogey both sides for two godet wheels of guide fiber, be arranged at respectively two micromachines that fiber is stretched in godet wheel outside;
Described micromachine imposes pretension and drafting force to fiber, makes fiber in bogey, carry out stretcher strain, thereby reaches the test effect of dynamic fiber;
Described dynamic fiber double-refraction measuring apparatus also comprises that it is arranged between the polarizer, analyzer without differential direct optical path compensation device; Described without differential direct optical path compensation device, further comprise:
Crystal complementary color part and micromatic setting part, described crystal complementary color part is together with micromatic setting partial fixing; Crystal complementary color part at least comprises that the eyeglass that compensates light path, described eyeglass are that strontium fluoride crystal material is made.
2. a kind of dynamic fiber double-refraction measuring apparatus according to claim 1, is characterized in that, described bogey comprises a groove structure, and described groove structure both sides correspondence has a hole separately; Fiber is worn to another hole from a hole; A corresponding godet wheel and a motor outside each hole.
3. a kind of dynamic fiber double-refraction measuring apparatus according to claim 1, is characterized in that, described crystal complementary color partly also comprises and in described mechanical long handle, is provided with groove by mechanical long handle; Described eyeglass is arranged in groove.
4. a kind of dynamic fiber double-refraction measuring apparatus according to claim 3, is characterized in that, described micromatic setting partly comprises stepper motor, worm and gear and worm-wheel shaft; Described worm and gear comprises worm gear and worm screw; Described worm gear is that gear is connected with worm screw; Described stepper motor is connected in described worm screw; Described worm-wheel shaft and described worm gear are fixed together; The control end of described stepper motor and computing machine electrical connection.
5. a kind of dynamic fiber double-refraction measuring apparatus according to claim 4, is characterized in that, in described mechanical long handle, is also provided with eyeglass rotating shaft, and described eyeglass rotating shaft one end and described worm-wheel shaft are fixed together; The described eyeglass rotating shaft other end and described groove are fixed together.
6. a kind of dynamic fiber double-refraction measuring apparatus according to claim 2, is characterized in that, described bogey is a square groove, and described fiber is placed in described square groove; Described square groove two ends are provided with aperture; Described fiber is around on described godet wheel through aperture, and described fiber two ends are connected on corresponding micromachine separately.
7. a kind of dynamic fiber double-refraction measuring apparatus according to claim 1, is characterized in that,
Described eyeglass is that strontium fluoride crystal material is made, and it is rectangle thin slice; Described eyeglass length is 8 ± 0.001mm; Width is 3 ± 0.001mm; Thickness is 1 ± 0.001mm.
8. a kind of dynamic fiber double-refraction measuring apparatus according to claim 3, is characterized in that, described mechanical long handle length is 18 ± 0. 1mm; Width is 5 ± 0. 01mm; Thickness is 3 ± 0.001mm;
Described groove length is 9 ± 0. 01mm; Recess width is 3.3 ± 0. 01mm; Depth of groove is 1.2 ± 0.001mm; The top of described groove top and described mechanical long handle is at a distance of 2 ± 0. 01mm.
9. double-refraction measuring apparatus according to claim 6, is characterized in that, described square groove length is 15 ± 0. 1mm; Width is 5 ± 0. 01mm; Be highly 5 ± 0. 01mm; Described small aperture is 1.2 ± 0. 1mm; Both sides godet wheel centre distance is 20 ± 0. 1mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210251508.XA CN102749288B (en) | 2012-07-20 | 2012-07-20 | Dynamic fiber double-refraction measuring instrument |
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| CN201210251508.XA CN102749288B (en) | 2012-07-20 | 2012-07-20 | Dynamic fiber double-refraction measuring instrument |
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| CN102749288A CN102749288A (en) | 2012-10-24 |
| CN102749288B true CN102749288B (en) | 2014-09-03 |
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| CN107727743A (en) * | 2017-10-30 | 2018-02-23 | 上海凯历迪新材料科技股份有限公司 | A kind of dynamic fiber degree of orientation measuring instrument and the method for measuring the dynamic fiber degree of orientation |
| CN113533254A (en) * | 2021-03-25 | 2021-10-22 | 中国科学院福建物质结构研究所 | Testing device and testing method for birefringence of optical material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664198A (en) * | 2003-12-19 | 2005-09-07 | 谢尔勒.施韦特.梅特勒股份公司 | Air jet texturing machine for manufacturing fancy yarns |
| CN201177599Y (en) * | 2008-03-19 | 2009-01-07 | 中国科学院力学研究所 | Ellipsometric imaging device adopting rotating compensator for integration and sampling |
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| JP4653112B2 (en) * | 2003-12-03 | 2011-03-16 | エフピーイノベイションズ | Equipment for circular polarization and cell wall thickness and orientation of small fibers |
| US8279439B2 (en) * | 2006-08-29 | 2012-10-02 | Tokyo Denki University | Birefringence measuring device and birefringence measuring method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664198A (en) * | 2003-12-19 | 2005-09-07 | 谢尔勒.施韦特.梅特勒股份公司 | Air jet texturing machine for manufacturing fancy yarns |
| CN201177599Y (en) * | 2008-03-19 | 2009-01-07 | 中国科学院力学研究所 | Ellipsometric imaging device adopting rotating compensator for integration and sampling |
Non-Patent Citations (2)
| Title |
|---|
| 吕善模.第6届中国国际纺织机械展览会展出的新型纤维测试仪器.《纤维标准与检验》.1999,(第2期),15-19. |
| 第6届中国国际纺织机械展览会展出的新型纤维测试仪器;吕善模;《纤维标准与检验》;19990229(第2期);15-19 * |
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