CN203732046U - Industrial endoscope probe adopting grating projection to realize measurement - Google Patents
Industrial endoscope probe adopting grating projection to realize measurement Download PDFInfo
- Publication number
- CN203732046U CN203732046U CN201420110927.6U CN201420110927U CN203732046U CN 203732046 U CN203732046 U CN 203732046U CN 201420110927 U CN201420110927 U CN 201420110927U CN 203732046 U CN203732046 U CN 203732046U
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- grating projection
- optical grating
- probe
- lighting source
- shell body
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- 239000000523 sample Substances 0.000 title claims abstract description 34
- 238000005259 measurement Methods 0.000 title abstract description 9
- 230000003287 optical effect Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 abstract description 15
- 238000003384 imaging method Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract 2
- 230000001066 destructive effect Effects 0.000 abstract 1
- 238000009659 non-destructive testing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 1
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- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
Disclosed is an industrial endoscope probe which adopts grating projection to realize measurement and belongs to the field of nondestructive detection. The industrial endoscope probe includes an outer casing, an inner casing, a CCD device and an imaging objective lens. Both of the outer casing and the inner casing are round-shaped on the cross section of the probe. The inner casing is arranged in the outer casing and the top part of the inner casing is connected with the inner wall of the outer casing. The CCD device and the imaging objective lens are both arranged in the inner casing. The bullseye of the CCD device, the center of the imaging objective lens and the center of the inner casing are collinear. Lighting sources and a grating projection device are arranged between the outer casing and the inner casing. The industrial endoscope probe adopting grating projection to realize measurement is capable of concentrating all of imaging, multiple-stripe projection calibration and lighting at the front end of the probe so that measurement of a 3D phase method is realized and the effective utilization rate of the space of the probe is increased at the same time and thus the device cost of non-destructive detection is reduced and the work efficiency is improved.
Description
Technical field
The utility model belongs to field of non destructive testing, refers to particularly a kind of industrial endoscope probe that adopts optical grating projection to realize and measuring.
Background technology
Fujinon electronic video endoscope is a branch of Non-Destructive Testing, it adopts special biography light and passes as principle design, can watch easily in industrial reality after plate washer, in pipeline, engine interior or other positions that cannot directly see, expensive breaking-up or dismantlement work are removed from, save greatly cost, improve work efficiency, and be applied widely in the every field of hyundai electronics.
At present, the fujinon electronic video endoscope that possesses measurement function adopts relative method, shadowing method or phase method mostly.Wherein, the key that realizes phase method measurement is the striped in object under test surface transmission with certain rule, and then according to striped, phase place is resolved in distortion, and then obtains the height of object under test surface each point.But existing fujinon electronic video endoscope or the candy strip that adopts special device to project out of phase solves, the phase place that adopts the accurate movement of shifting to device control striped to solve between multiple image changes, these modes have all increased volume and the complicacy of endoscope probe, and the electronic imaging endoscope that is unsuitable for miniature (probe diameter is in 6.8mm) is surveyed use.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of industrial endoscope probe that adopts optical grating projection to realize and measuring, imaging, many stripeds projection calibration and illumination all can be concentrated on to probe front end, realizing 3D phase method measures, increase the effective rate of utilization in probe space simultaneously, thereby reduce the equipment cost of Non-Destructive Testing, increase work efficiency.
For solving the problems of the technologies described above, a kind of industrial endoscope probe that adopts optical grating projection to realize and measuring that the utility model provides, comprises shell body, inner housing, CCD device and image-forming objective lens; On the xsect of described probe, shell body and inner housing are all rounded, inner housing is arranged in shell body and its top and shell body inwall join, described CCD device and image-forming objective lens are all arranged in inner housing, the center conllinear of the target center of CCD device, the center of image-forming objective lens and inner housing is provided with lighting source and optical grating projection device between shell body and inner housing.
In technique scheme, described lighting source comprises left lighting source and right lighting source, and on the xsect of described probe, taking the line of centres of shell body and inner housing as axis of symmetry, left lighting source and right lighting source are arranged symmetrically with.
Further, the light-emitting window of described left lighting source and right lighting source is respectively crescent.
In technique scheme, described optical grating projection device is positioned at the bottom of shell body.
In technique scheme, the light-emitting window of described optical grating projection device is circular.
Image-forming objective lens and CCD device, optical grating projection device and lighting source are integrated on the shell body and inner housing of eccentric setting, optical grating projection device transmission phase method is measured required parallel equidistant striped calibration light, illumination light can be popped one's head in by fiber optic conduction external light source to the utility model, for the floor light of imaging.The radius of target converges to CCD device by image-forming objective lens and realizes sensing.
Compared with prior art, imaging, the calibration of many stripeds and light structures unit are all concentrated on fujinon electronic video endoscope probe front end by the utility model, effectively utilize narrow and small probe space, having realized the phase method of target measures, effectively reduce equipment cost, reduced operation complexity, improved work efficiency, in endoscope field, particularly high-end fujinon electronic video endoscope field has important application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the utility model;
In figure: 1-shell body, 2-inner housing, 3-image-forming objective lens, 4-CCD device, 5-optical grating projection device, 6-left lighting source, 7-right lighting source.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described in further detail:
As shown in Figure 1, a kind of industrial endoscope probe that adopts optical grating projection to realize and measuring of the present utility model, comprises shell body 1, inner housing 2, CCD device 4 and image-forming objective lens 3.On the xsect of the utility model probe, shell body 1 and inner housing 2 are all rounded, inner housing 2 is arranged in shell body 1 and its top and shell body 1 inwall join, the mode of this arranged off-centre is to consider that probe size is unsuitable excessive, thereby the size of shell body 1, inner housing 2 and CCD device 4 is all restricted.CCD device 4 and image-forming objective lens 3 are all arranged in inner housing 2, and the target center of CCD device 4, the center of image-forming objective lens 3 and the center conllinear of inner housing 2.In addition, between shell body 1 and inner housing 2, be provided with lighting source and optical grating projection device 5.Lighting source comprises left lighting source 6 and right lighting source 7, for guaranteeing illumination evenly, on the xsect of probe, taking the line of centres of shell body 1 and inner housing 2 as axis of symmetry, left lighting source 6 and right lighting source 7 are arranged symmetrically with, and the light-emitting window of the two is respectively crescent.In the present embodiment, optical grating projection device 5 is positioned at the bottom of shell body 1, makes optical grating projection device 5 large as far as possible with the target center distance of CCD device 4, is conducive to the accuracy that phase method is measured.For ease of arranging, the light-emitting window of optical grating projection device 5 is circular.
The utility model is in the time of work, and image-forming objective lens 3 is collected target emanation light and converged on CCD device 4, forms video image.Not good or complete darkness in the situation that, can open floor light in ambient lighting condition, by fibre bundle, external light source be conducted to two lighting source light-emitting windows of probe front end, two crescent light-emitting windows provide uniform floor light.Optical grating projection device 5 transmission phase methods are measured required parallel equidistant striped calibration light.
Core of the present utility model is the arranged off-centre of fujinon electronic video endoscope probe China and foreign countries housing 1, inner housing 2, and simultaneously integrated imaging, the calibration of many stripeds and light structures, realize phase method measurement, increase the effective rate of utilization in probe space, thereby the equipment cost that has reduced Non-Destructive Testing, has improved work efficiency.So its protection domain is not limited to above-described embodiment.Obviously, those skilled in the art can carry out various changes and distortion and not depart from scope and spirit of the present utility model the utility model, for example: the quantity of lighting source and set-up mode are all not limited to left lighting source 6 and right lighting source 7 modes of crescent light-emitting window described in embodiment, if guarantee its between shell body 1 and inner housing 2 omnidirectional, be uniformly distributed; Optical grating projection device 5 is also not limited to be arranged on the bottommost of shell body 1, as long as ensure that the target center of its distance C CD device 4 enough far can wait to realize phase method measurement.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and is out of shape interior.
Claims (6)
1. an industrial endoscope probe that adopts optical grating projection to realize and measuring, is characterized in that: comprise shell body (1), inner housing (2), CCD device (4) and image-forming objective lens (3); On the xsect of described probe, shell body (1) and inner housing (2) are all rounded, inner housing (2) is arranged in shell body (1) and its top and shell body (1) inwall join, described CCD device (4) and image-forming objective lens (3) are all arranged in inner housing (2), the center conllinear of the target center of CCD device (4), the center of image-forming objective lens (3) and inner housing (2) is provided with lighting source and optical grating projection device (5) between shell body (1) and inner housing (2).
2. employing optical grating projection according to claim 1 is realized the industrial endoscope probe of measuring, it is characterized in that: described lighting source comprises left lighting source (6) and right lighting source (7), on the xsect of described probe, taking the line of centres of shell body (1) and inner housing (2) as axis of symmetry, left lighting source (6) and right lighting source (7) are arranged symmetrically with.
3. employing optical grating projection according to claim 2 is realized the industrial endoscope probe of measuring, and it is characterized in that: the light-emitting window of described left lighting source (6) and right lighting source (7) is respectively crescent.
4. realize according to the employing optical grating projection described in arbitrary claim in claims 1 to 3 the industrial endoscope probe of measuring, it is characterized in that: described optical grating projection device (5) is positioned at the bottom of shell body (1).
5. realize according to the employing optical grating projection described in arbitrary claim in claims 1 to 3 the industrial endoscope probe of measuring, it is characterized in that: the light-emitting window of described optical grating projection device (5) is for circular.
6. employing optical grating projection according to claim 4 is realized the industrial endoscope probe of measuring, and it is characterized in that: the light-emitting window of described optical grating projection device (5) is for circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110927.6U CN203732046U (en) | 2014-03-12 | 2014-03-12 | Industrial endoscope probe adopting grating projection to realize measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110927.6U CN203732046U (en) | 2014-03-12 | 2014-03-12 | Industrial endoscope probe adopting grating projection to realize measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732046U true CN203732046U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420110927.6U Expired - Lifetime CN203732046U (en) | 2014-03-12 | 2014-03-12 | Industrial endoscope probe adopting grating projection to realize measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157562A (en) * | 2015-04-23 | 2015-12-16 | 北京航空航天大学 | On-line dynamic visual measuring system and on-line dynamic visual measuring method for geometrical dimension of complex and precise workpiece in small space |
-
2014
- 2014-03-12 CN CN201420110927.6U patent/CN203732046U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157562A (en) * | 2015-04-23 | 2015-12-16 | 北京航空航天大学 | On-line dynamic visual measuring system and on-line dynamic visual measuring method for geometrical dimension of complex and precise workpiece in small space |
| CN105157562B (en) * | 2015-04-23 | 2017-06-13 | 北京航空航天大学 | A kind of online dynamic vision measuring system of small spatial complex precision workpiece physical dimension and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ASS | Succession or assignment of patent right |
Owner name: HUAZHONG PHOTOELECTRIC TECHNOLOGY INST. Free format text: FORMER OWNER: WUHAN HUAZHONG TIANJING OPTOELECTRONIC SYSTEM CO., LTD. Effective date: 20140701 |
|
| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140701 Address after: 430223 Jiangxia City, Wuhan province sunshine road, No. 717, Patentee after: HUAZHONG PHOTOELECTRIC TECHNOLOGY INST. Address before: 430223 Jiangxia City, Wuhan province sunshine road, No. 717, Patentee before: Wuhan Huazhong Tianjing Electro-optical Systems Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |