CN103196923A - Structural dynamic defective optical fiber microscopic monitoring device - Google Patents
Structural dynamic defective optical fiber microscopic monitoring device Download PDFInfo
- Publication number
- CN103196923A CN103196923A CN2013101464189A CN201310146418A CN103196923A CN 103196923 A CN103196923 A CN 103196923A CN 2013101464189 A CN2013101464189 A CN 2013101464189A CN 201310146418 A CN201310146418 A CN 201310146418A CN 103196923 A CN103196923 A CN 103196923A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- microscope
- micro
- optical
- monitoring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a structural dynamic defective optical fiber microscopic monitoring device, and belongs to the field of optics. The device solves the problem that the existing measuring device cannot monitor the surface state of the measuring device in a structural dynamic state. The device comprises a computer, a CCD (Charge Coupled Device) camera, an optical microscope, a fixed block, an optical fiber image bundle, an adapter, a miniature microscope, a close nipple, a two-dimensional fine adjustment system and a fixture, wherein the two-dimensional fine adjustment system comprises a longitudinal adjustment mechanism and a transverse adjustment mechanism; the fixture comprises a U-shaped groove and a locking knob; the bottom of the U-shaped groove of the fixture is fixedly connected with the two-dimensional fine adjustment system; an objective lens of the miniature microscope is embedded into one end of the close nipple; the other end of the close nipple is fixedly connected with a threaded through hole of the longitudinal adjustment mechanism; an ocular lens of the miniature microscope is communicated with one end of the optical fiber image bundle by the adapter; the other end of the optical fiber image bundle is communicated with an objective lens of the optical microscope by the fixed block; the CCD camera is arranged on an ocular lens side of the optical microscope; and the CCD camera is connected with the computer and used for monitoring component abrasion and defects.
Description
Technical field
The present invention relates to the micro-monitoring device of structure dynamic defect optical fiber, belong to optical field.
Background technology
The manufacturing of mechanical component mainly realizes by processes such as welding, machining, castings, because complicacy, the diversity of production technology usually can produce microdefects such as sand holes, cut, crackle, pockmark in component surface in the process of making.Mechanical component is under arms in the process, these defectives that its surface produces, owing to be subjected to the effect of high low temperature, fatigue, corrosion equal stress, microdefect develops into big defective, thereby reduced the usability such as corrosion resistivity, resistance to abrasion, fatigue limit of member, directly influence the serviceable life of part itself, limited the performance of equipment performance, also bring great hidden danger to safe handling.For the detection of body structure surface defective, be under static state mostly at present, adopt microscopical method the defective of body structure surface is observed and to be measured.And under the structure dynamic situation or on the structure under the defective dynamic evolution situation, microscope is to structural defective observation and measure and follow the tracks of difficulty, and is difficult to focusing, and this observes and measure the defective of body structure surface with regard to needing structure to shut down to finish.
Summary of the invention
The present invention seeks to can't provide a kind of structure dynamic defect optical fiber micro-monitoring device to the problems of monitoring of its surface state under the structure dynamical state in order to solve existing measurement mechanism.
The micro-monitoring device of a kind of structure dynamic defect optical fiber of the present invention, it comprises: computing machine, ccd video camera, optical microscope, fixed block, optical fiber image transmission beam, converting interface, mini microscope, hickey, two-dimentional micro-tensioning system and anchor clamps;
Described two-dimentional micro-tensioning system comprises vertical governor motion and lateral adjustment; And the end at vertical governor motion is provided with the connecting thread through hole;
Described anchor clamps comprise U-shaped groove and locking knob; This locking knob is arranged on the sidewall of U-shaped groove;
The bottom of the U-shaped groove of described anchor clamps is fixedly connected on the lateral adjustment of two-dimentional micro-tensioning system;
The object lens of described mini microscope are embedded in an end of described hickey, and the other end of this hickey is fixedlyed connected with the tapped through hole of vertical governor motion, and the inner chamber of described hickey is communicated with described tapped through hole; Described hickey and two-dimentional micro-tensioning system constitute servo-actuated three-dimensional regulating mechanism;
The eyepiece of described mini microscope is communicated with an end of optical fiber image transmission beam by converting interface;
The other end of this optical fiber image transmission beam is communicated with the object lens of optical microscope by fixed block;
Described fixed block be arranged on optical microscope sample platform directly over; The eyepiece side of described optical microscope is provided with ccd video camera, and this ccd video camera is connected with computing machine by data line.
Advantage of the present invention: the present invention amplifies part (or structure) surface state image transfer by coherent fiber bundle to microscopical eyepiece end, can realize the servo-actuated monitoring to part (or structure) fixed area, in time find the defective that military service stage piece surface produces, guarantee physical construction military service process safe.Adopt the present invention can more promptly monitor and the evolution picture that measures the specimen surface defective, calculate crack length by calibration result, and it has higher precision.
Description of drawings
Fig. 1 is the structural representation of the micro-monitoring device of a kind of structure dynamic defect optical fiber of the present invention;
Fig. 2 is the optical delivery schematic diagram of the micro-monitoring device of a kind of structure dynamic defect optical fiber of the present invention;
Fig. 3 is the left view of servo-actuated three-dimensional regulating mechanism of the present invention;
Fig. 4 is the vertical view of servo-actuated three-dimensional regulating mechanism of the present invention;
Fig. 5 is the uncalibrated image that the present invention adopts a word scaling board;
Fig. 66 is structural representation on the plate tensile sample of 6061 aluminium alloys for anchor clamps 10 are clipped in described in the embodiment six;
Fig. 7 is position figure on the plate tensile sample of 6061 aluminium alloys for the use device of the present invention described in the embodiment six is fixed on 6;
Fig. 8 monitors the aluminum alloy specimen surface at 0s defective design sketch constantly for the present invention;
Fig. 9 monitors the aluminum alloy specimen surface at 180s defective design sketch constantly for the present invention;
Figure 10 monitors the aluminum alloy specimen surface at 190s defective design sketch constantly for the present invention;
Figure 11 monitors the aluminum alloy specimen surface at 200s defective design sketch constantly for the present invention;
Figure 12 monitors the aluminum alloy specimen surface at 210s defective design sketch constantly for the present invention;
Figure 13 monitors the aluminum alloy specimen surface at 220s defective design sketch constantly for the present invention;
Figure 14 monitors the aluminum alloy specimen surface at 230s defective design sketch constantly for the present invention;
Figure 15 monitors the aluminum alloy specimen surface at 240s defective design sketch constantly for the present invention;
Figure 16 monitors the aluminum alloy specimen surface at 250s defective design sketch constantly for the present invention;
Figure 17 monitors the aluminum alloy specimen surface at 260s defective design sketch constantly for the present invention;
Figure 18 monitors the aluminum alloy specimen surface at 270s defective design sketch constantly for the present invention.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 to Fig. 3, the micro-monitoring device of the described a kind of structure dynamic defect optical fiber of present embodiment, it comprises: computing machine 1, ccd video camera 2, optical microscope 3, fixed block 4, optical fiber image transmission beam 5, converting interface 6, mini microscope 7, hickey 8, two-dimentional micro-tensioning system 9 and anchor clamps 10;
Described two-dimentional micro-tensioning system 9 comprises vertical governor motion 9-1 and lateral adjustment 9-2; And the end at vertical governor motion 9-1 is provided with connecting thread through hole 9-3;
Described anchor clamps 10 comprise U-shaped groove and locking knob 10-1; This locking knob 10-1 is arranged on the sidewall of U-shaped groove;
The bottom of the U-shaped groove of described anchor clamps 10 is fixedly connected on the lateral adjustment 9-2 of two-dimentional micro-tensioning system 9;
The object lens of described mini microscope 7 are embedded in an end of described hickey 8, and the other end of this hickey 8 is fixedlyed connected with the tapped through hole 9-3 of vertical governor motion 9-1, and the inner chamber of described hickey 8 is communicated with described tapped through hole 9-3; Described hickey 8 constitutes servo-actuated three-dimensional regulating mechanism with two-dimentional micro-tensioning system 9;
The eyepiece of described mini microscope 7 is communicated with an end of optical fiber image transmission beam 5 by converting interface 6;
The other end of this optical fiber image transmission beam 5 is communicated with the object lens of optical microscope 3 by fixed block 4;
Described fixed block 4 be arranged on optical microscope 3 sample platforms directly over; The eyepiece side of described optical microscope 3 is provided with ccd video camera 2, and this ccd video camera 2 is connected with computing machine 1 by data line.
Embodiment two: below in conjunction with Fig. 2 present embodiment is described, present embodiment is described further embodiment one, and the object lens of the described mini microscope 7 of present embodiment and the vertical range of testing sample are 20mm～22mm.
Embodiment three: below in conjunction with Fig. 2 present embodiment is described, present embodiment is described further embodiment one, and the distance between the eyepiece of the described mini microscope 7 of present embodiment and the end of optical fiber image transmission beam 5 is 5mm～7mm.
Embodiment four: below in conjunction with Fig. 2 present embodiment is described, present embodiment is described further embodiment one, and the distance of the other end of described optical microscope 3 object lens of present embodiment and optical fiber image transmission beam 5 is 14mm～15mm.
Embodiment five: present embodiment is described below in conjunction with Fig. 5, present embodiment is to adopt the micro-monitoring device of embodiment one described a kind of structure dynamic defect optical fiber, using the image-region that this device gathers ccd video camera 2 demarcates: be example with a word scaling board: the long 10mm of a word scaling board high scale value, divide 100 five equilibriums, scale value is 0.1mm, the monitoring image-region is found three scale values altogether, and the pixel in the image that then collects and the distance between the pixel are 3.125 μ m.
Embodiment six: present embodiment is described below in conjunction with Fig. 1 to Figure 18, present embodiment is the technical scheme of the device put down in writing according to embodiment one to embodiment five, using above-mentioned technical scheme is that the plate tensile sample surface imperfection of 6061 aluminium alloys develops and to monitor to 6: sample is long to be 250mm, wide is 40mm, height is 15mm, v-notch is opened in the sample bottom, and sample is positioned over the 200mm span and adds on the carrier aircraft, and the speed that three-point bending adds carrier aircraft is made as 1.2mm/min.
It is on the plate tensile sample of 6061 aluminium alloys that anchor clamps 10 are clipped in 6, and locking locking knob 10-1 as shown in Figure 6, can be fixed on the sample anchor clamps 10, and allows the tapped through hole 9-3 of vertical governor motion 9-1 face the v-notch that open the sample bottom; As shown in Figure 7;
Make that by adjusting servo-actuated three-dimensional regulating mechanism the object lens of mini microscope 7 are the position of AB among Fig. 2 over against the v-notch that open the sample bottom all the time, increase the eyepiece of mini microscope 7 and the distance between the object lens, between one times of focal length and two focus length of the eyepiece of mini microscope 7, make the object lens imaging be positioned at eyepiece front focus F at intermediate image A ' B '
2The outside, this picture amplifies through the eyepiece of mini microscope 7 again, can obtain a upright real image A " B " who amplifies through secondary at the opposite side of eyepiece;
Optical fiber image transmission beam 5 will be transferred to through the upright real image A " B " that mini microscope 7 amplifies between the one times of focal length and two focus length of optical microscope 3, by going up imaging on a plane (as the plane) after a series of light paths of optical microscope 3, the CCD sensitive chip of camera be adjusted to just can access behind this plane clearly as, picture pick-up device converts the optical information of imaging to electric signal form with digital picture after analog to digital conversion and stores or be transferred to computing machine, the start-up loading machine triggers the image acquisition program simultaneously, per second is set gathers a two field picture and preservation.When computing machine 1 finds that the crackle expansion exceeds the screen monitoring range soon, stop to load.Whole observation process was about about 270 seconds to be finished.From the surveillance map picture that collects as can be seen, there are the crackle expansion in 45 ° of the sample v-notch and 135 ° of directions, after adding carrier aircraft loading 180s, 135 ° of directions of sample v-notch are found plastic yield, and the zone of plastic yield after this enlarges, crackle appears at 200s, be about 211 μ m, along with the increase of load, crackle is constantly expanded, finally the expansion of sample v-notch crackle is the crotch shape as can be seen, and length is about 0.75mm.
Claims (4)
1. micro-monitoring device of structure dynamic defect optical fiber, it is characterized in that it comprises: computing machine (1), ccd video camera (2), optical microscope (3), fixed block (4), optical fiber image transmission beam (5), converting interface (6), mini microscope (7), hickey (8), two-dimentional micro-tensioning system (9) and anchor clamps (10);
Described two-dimentional micro-tensioning system (9) comprises vertical governor motion (9-1) and lateral adjustment (9-2); And the end at vertical governor motion (9-1) is provided with connecting thread through hole (9-3);
Described anchor clamps (10) comprise U-shaped groove and locking knob (10-1); This locking knob (10-1) is arranged on the sidewall of U-shaped groove;
The bottom of the U-shaped groove of described anchor clamps (10) is fixedly connected on the lateral adjustment (9-2) of two-dimentional micro-tensioning system (9);
The object lens of described mini microscope (7) are embedded in an end of described hickey (8), the other end of this hickey (8) is fixedlyed connected with the tapped through hole (9-3) of vertical governor motion (9-1), and the inner chamber of described hickey (8) is communicated with described tapped through hole (9-3); Described hickey (8) constitutes servo-actuated three-dimensional regulating mechanism with two-dimentional micro-tensioning system (9);
The other end of described mini microscope (7) is connected with an end of optical fiber image transmission beam (5) by converting interface (6);
The other end of this optical fiber image transmission beam (5) is connected with optical microscope (3) by fixed block (4);
Described fixed block (4) be arranged on optical microscope (3) sample platform directly over; Described optical microscope (3) is provided with ccd video camera (2), and this ccd video camera (2) is connected with computing machine (1) by data line.
2. according to the micro-monitoring device of the described a kind of structure dynamic defect optical fiber of claim 1, it is characterized in that the object lens of described mini microscope (7) and the vertical range of testing sample are 20mm～22mm.
3. according to the micro-monitoring device of the described a kind of structure dynamic defect optical fiber of claim 1, it is characterized in that the port of the close mini microscope (7) of described optical fiber image transmission beam (5) is 5mm～7mm apart from the distance of mini microscope (7) eyepiece.
4. according to the micro-monitoring device of the described a kind of structure dynamic defect optical fiber of claim 1, it is characterized in that the port of the close optical microscope (3) of described optical fiber image transmission beam (5) is 14mm～15mm apart from the distance of optical microscope (3) object lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101464189A CN103196923A (en) | 2013-04-24 | 2013-04-24 | Structural dynamic defective optical fiber microscopic monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101464189A CN103196923A (en) | 2013-04-24 | 2013-04-24 | Structural dynamic defective optical fiber microscopic monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103196923A true CN103196923A (en) | 2013-07-10 |
Family
ID=48719615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101464189A Pending CN103196923A (en) | 2013-04-24 | 2013-04-24 | Structural dynamic defective optical fiber microscopic monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103196923A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850552A (en) * | 2015-06-02 | 2018-03-27 | 韩国生产技术研究院 | The optical detecting method of carbon fibre reinforced plastic component |
| CN109900713A (en) * | 2019-04-17 | 2019-06-18 | 中国人民解放军国防科技大学 | Camera-guided unmanned aerial vehicle wind power blade defect dynamic detection system and method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4829374A (en) * | 1986-11-17 | 1989-05-09 | Kanzaki Paper Manufacturing Co., Ltd. | Surface inspection apparatus |
| JPH0862503A (en) * | 1994-08-17 | 1996-03-08 | Nireco Corp | Microscopic device |
| CN2741064Y (en) * | 2004-10-15 | 2005-11-16 | 汪家道 | Three-dimensional driver of microscope |
| CN201166627Y (en) * | 2008-07-15 | 2008-12-17 | 王甲骏 | Tunable hanging-mounting type switching clamping head |
| CN101464450A (en) * | 2009-01-13 | 2009-06-24 | 中山大学 | Three-axis adjustable microscopic observation system for geotechnical mesomechanics test |
| CN101776613A (en) * | 2009-12-29 | 2010-07-14 | 华南理工大学 | Method and device for observing cells in incubator in real time based on optical fiber image transmission |
| CN202424000U (en) * | 2011-12-15 | 2012-09-05 | 福建省电力有限公司龙岩电业局 | Operation platform for replacing insulators by connecting tension-proof lengthened armor clamp with ground potential |
-
2013
- 2013-04-24 CN CN2013101464189A patent/CN103196923A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4829374A (en) * | 1986-11-17 | 1989-05-09 | Kanzaki Paper Manufacturing Co., Ltd. | Surface inspection apparatus |
| JPH0862503A (en) * | 1994-08-17 | 1996-03-08 | Nireco Corp | Microscopic device |
| CN2741064Y (en) * | 2004-10-15 | 2005-11-16 | 汪家道 | Three-dimensional driver of microscope |
| CN201166627Y (en) * | 2008-07-15 | 2008-12-17 | 王甲骏 | Tunable hanging-mounting type switching clamping head |
| CN101464450A (en) * | 2009-01-13 | 2009-06-24 | 中山大学 | Three-axis adjustable microscopic observation system for geotechnical mesomechanics test |
| CN101776613A (en) * | 2009-12-29 | 2010-07-14 | 华南理工大学 | Method and device for observing cells in incubator in real time based on optical fiber image transmission |
| CN202424000U (en) * | 2011-12-15 | 2012-09-05 | 福建省电力有限公司龙岩电业局 | Operation platform for replacing insulators by connecting tension-proof lengthened armor clamp with ground potential |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850552A (en) * | 2015-06-02 | 2018-03-27 | 韩国生产技术研究院 | The optical detecting method of carbon fibre reinforced plastic component |
| CN109900713A (en) * | 2019-04-17 | 2019-06-18 | 中国人民解放军国防科技大学 | Camera-guided unmanned aerial vehicle wind power blade defect dynamic detection system and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109099859B (en) | Device and method for measuring surface defect three-dimensional morphology of large-caliber optical element | |
| JP6865507B2 (en) | Non-staining evaluation support method, program, arithmetic unit for pluripotent stem cells | |
| CN103063415A (en) | Long-focus lens focus distance measuring method based on moire fringe matching | |
| CN110763153A (en) | Multispectral large-view-field microscopic three-dimensional morphology measuring device and method | |
| CN104390895B (en) | Microimaging-based method for measuring particle size by utilizing image gray scale | |
| CN103196923A (en) | Structural dynamic defective optical fiber microscopic monitoring device | |
| CN110727093A (en) | Multispectral microscopic automatic focusing device and method | |
| CN106404525B (en) | A kind of test device of material micro-nano construction machine mechanical property | |
| CN110057294A (en) | Optical optical tweezers system particle axial direction nano-grade displacement measurement method | |
| CN102735188B (en) | Method for measuring radius of curvature of spherical surface | |
| JP2016148569A (en) | Image measuring method and image measuring device | |
| CN104180772A (en) | Visual inspection device | |
| KR20110053035A (en) | Optical system for thermal image microscope | |
| KR20190020794A (en) | Method and system for measuring geometric parameters of through-holes | |
| US20140320672A1 (en) | Method and Apparatus for Measuring Flange Back Focus and Calibrating Track Length Scales of Photographic Objective Lenses | |
| Schäfer et al. | Comparison of holographic and tomographic particle-image velocimetry turbulent channel flow measurements | |
| CN105572072A (en) | Transparent optical material group refractive index measuring device and method | |
| CN216747448U (en) | Pipeline defect positioning and ranging adjusting device based on binocular stereo vision | |
| Turchette et al. | Inspection of Optics using ISO Specifications | |
| CN219065873U (en) | Shooting device | |
| JP2007003193A (en) | Inspection method of hole formed by laser beam machining | |
| CN210603219U (en) | Multispectral large-view-field microscopic three-dimensional morphology measuring device | |
| CN111795649B (en) | Device and method for non-contact measurement of edge covering thickness of optical crystal | |
| Wang et al. | The Design of a Double Telecentric Endoscopic Optical System | |
| CN105403170B (en) | A kind of micro- 3D topography measurements method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130710 |