CN2541816Y - Large vision field image measuring microscope - Google Patents
Large vision field image measuring microscope Download PDFInfo
- Publication number
- CN2541816Y CN2541816Y CN 02220506 CN02220506U CN2541816Y CN 2541816 Y CN2541816 Y CN 2541816Y CN 02220506 CN02220506 CN 02220506 CN 02220506 U CN02220506 U CN 02220506U CN 2541816 Y CN2541816 Y CN 2541816Y
- Authority
- CN
- China
- Prior art keywords
- lens
- base
- image
- objective lens
- measuring microscope
- 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.)
- Expired - Fee Related
Links
Landscapes
- Microscoopes, Condenser (AREA)
Abstract
The utility model relates to a large vision field image measuring microscope which is an optical measuring microscope with low cost, easy operation and large observation ranges. The utility model is composed of a lens set, a camera, etc. The microscope is composed of a light source, a collimating lens, a reflecting lens, an objective table, an X direction displacement mechanism, a Y direction displacement mechanism, a relay lens, an imaging objective lens, a coarse adjustment mechanism, a trim mechanism, a CCD camera, a base, an imaging objective lens barrel and a main frame, wherein the light source is positioned on one side in the base; the reflecting lens is positioned on the other side in the base; the collimating lens is positioned in the middle of the base; the main frame is arranged on the base; the imaging objective lens barrel is arranged on the main frame; the upper part of the imaging objective lens barrel is provided with the CCD camera, the middle part is provided with the imaging objective lens, and the lower part is provided with the relay lens; the objective table is arranged on a table board of the base below the relay lens.
Description
One, technical field:
The utility model relates to a kind of optical measurement microscope, specifically relates to a kind of big view field image measuring microscope.
Two, background technology:
In optical microscope system, the ccd image technology constantly is applied.The ccd image technology is that light harvesting, electronics, precision optical machinery and computer technology are the integrated technology of one, gathers optical imagery by CCD, handles the information such as space distribution, face shape and error that just can obtain to be studied object then in computing machine.Have plenty of directly the testee image is measured, as apparent size, the shape of object; Have plenty of by the formed optical pattern in measured object surface is carried out analysis to measure, as interferometry etc.Which kind of observe to measure all be the CCD target surface as a ruler, a minimum scale that pixel is exactly a ruler on the CCD, thereby also just become to influence in the measuring system key factor of measuring accuracy as the CCD of image-position sensor.
In optical microscope system, in order to observe details, improve resolution, often adopt micro-light path to observe closely small items.Usually it is made up of object lens and eyepiece.Object becomes one to amplify the real image that stands upside down within the place, object space focal plane or focal plane of eyepiece through object lens between one times of object lens and two times of focal lengths, zooms into a virtual image through eyepiece again and is positioned at infinity or distance of distinct vision place.Can receive with eye-observation or with the CCD device.The area array CCD device is used for micrometering, although resolution is higher, is subjected to the restriction of CCD target surface, and often the visual field is less, is difficult to the competent large-scale occasion of observation that needs.For example, during common used in industry and medical science detected, required longitudinal frame only was λ/4-λ/10, and observation scope is just smaller.Existing C CD shooting microscopy can not satisfy resolution and requirement cheaply under the large viewing field condition.
Three, summary of the invention:
(1) goal of the invention
The purpose of this invention is to provide the big big view field image measuring microscope of a kind of low cost and observation scope easy to operate.
(2) technical scheme
The utility model is a kind of big view field image measuring microscope, form by lens combination and the first-class institute of shooting, it is characterized in that this microscope is by light source, collimating mirror, catoptron, objective table, the directions X displacement mechanism, Y direction displacement mechanism, relay lens, image-forming objective lens, coarse adjustment mechanism, micro-adjusting mechanism, the CCD camera, base, the image-forming objective lens lens barrel, main truss is formed, light source, be positioned at a side of base, mirror lens is positioned at the opposite side of base, collimation lens is positioned at the centre of base, on base, be provided with main truss, on main truss, be provided with the image-forming objective lens lens barrel, be provided with the CCD camera on the top of image-forming objective lens lens barrel, be provided with image-forming objective lens at the middle part, be provided with relay lens in the bottom, on the base table top below the relay lens, be provided with objective table, on objective table, be provided with directions X displacement mechanism and Y direction displacement mechanism, on main truss, be provided with displacement coarse adjustment mechanism and displacement micro-adjusting mechanism.
The micro-principle in big visual field of the present utility model is to adopt magnifier and photographic system to replace microscopic system, promptly adds a relay lens before common pick-up lens.Object becomes the virtual image one upright, that amplify through relay lens, and photographic field lens becomes a real image that stands upside down and dwindle to the virtual image again, and this place is the position at CCD target surface place just also.The way that adds relay lens is the transform optics enlargement ratio neatly, and the visual field of imaging system is enlarged.Certainly, the expansion of visual field is not unconfined, also will be subjected to the influence of CCD resolution.System also has the electronics amplifying power of ccd image system.
Image measurement principle of the present utility model is after the image sampling of object is quantized, refinement object or bar graph.Gray scale and pixel according to image extract the striped outline line, analyze and calculate.For the processing of intensive complicated stripe pattern, combine with detection of 5 * 5 extreme values and form thinning processing, by increasing a filtering element, quickened the speed that form is pruned, the noise short chain in the filtering striped skeleton that can be exceedingly fast.Improved false contour line method can realize that striped filtering, breakpoint are repaired, striped smoothly reaches disposable the finishing of deciding grade and level.
(3) technique effect
Compare with the common survey microscope, the visual field of big view field image measuring microscope has enlarged 2.5 times, and has kept same measuring accuracy (λ/8).The experiment favorable repeatability, experimental period can shorten.In addition, software has good graphical interfaces and abundant mouse action.The present invention is a ray machine zooming integrated technique, and by CCD pick-up slip print image, machine is handled and can be shown and measure whole audience bar graph in real time as calculated, obtains to be studied the information such as space distribution, face shape and error of object.By extracting the accurate interpretation that the fringe center line method reaches whole audience striped.Adopt magnifier and photographic system to replace traditional microcobjective and eyepiece system, with the small items amplification imaging, utilize the electronics amplifying power of CCD that image is amplified output on monitor, compensate the decline that enlarges the image detail resolution that causes the visual field by image processing techniques, thereby enlarged the visual field; Reduced cost.
Four, description of drawings:
Fig. 1 is a structural drawing of the present utility model.Wherein have: light source 1, collimating mirror 2, catoptron 3, objective table 4, directions X displacement mechanism 5, Y direction displacement mechanism 6, relay lens 7, image-forming objective lens 8, coarse adjustment mechanism 9, micro-adjusting mechanism 10, CCD camera 11, base 12, image-forming objective lens lens barrel 13, main truss 14.
Five, embodiment
Below in conjunction with accompanying drawing the utility model is further described.Lighting system is divided into two kinds: transmission and reflection.Light source 1 emitted light beams is through collimating mirror 2 and catoptron 3 transillumination objects (or adjusting catoptron on object, the indirect illumination object).Object is positioned over objective table 4, and by X, Y direction displacement knob 5 and 6 is regulated horizontal level.The big microscopical imaging system of visual field test is made up of relay lens 7 and image-forming objective lens 8.Its principle is to adopt magnifier and photographic system to replace microscopic system.Regulate coarse adjustment knob 9 and vernier adjustment knob 10, image-forming objective lens is clearly gathered the picture of testee in CCD camera 11, the utility model is selected the black-white CCD camera for use.The CCD camera take the photograph image through image card and Computer Processing and demonstration.
Will be when measuring microscope is selected camera lens with reference to the size of CCD target surface, the mated condition of CCD target surface and camera lens will directly influence the size of field angle and the sharpness of image.The requirement of resolution, minimal illumination, signal to noise ratio (S/N ratio) and visual field size when the focal length of pick-up lens (50mm) f-number (F1.8) can satisfy shooting.
The size of CCD chip has very big influence to the selection of camera lens.Camera lens generally also divides 1 ", 2/3 ", 1/2 specifications such as " and 1/3 ".The most handy corresponding during supporting use with the CCD chip size, as the video camera of 1/2 " camera lens joins 1/2 " chip.In case camera lens is chosen, required visual field and optical tube length are also determined in advance.For general pick-up lens, the object distance relative focal length is much bigger.Common object distance U＞2000mm, the focal length of relay lens is chosen the value that should be a bit larger tham focal length.Then operating distance is near focal length.In order to satisfy paraxial imagery, reduce the micrograph marginal distortion, the visual angle of camera lens is got a little bit smaller for well.
Image pick-up card adopts the high speed image acquisition board based on pci bus, meet pal mode (625 row, 20/second) and TSC-system formula (525 row, 60/second) video input signals, frequency with 14.75MHz (PAL-system) or 12.273MHz (TSC-system) is sampled, carry out processing such as A/D conversion, proportional zoom, cutting then, by pci bus view data is sent to the VGA card and shows in real time or be sent to real-time storage in the internal memory of computing machine.CCD camera, image card and camera lens have finished product, will be according to above-mentioned technical requirement combination when still selecting for use.
Claims (3)
1, a kind of big view field image measuring microscope, form by lens combination and the first-class institute of shooting, it is characterized in that this microscope is by light source (1), collimation lens (2), catoptron (3), objective table (4), directions X displacement mechanism (5), Y direction displacement mechanism (6), relay lens (7), image-forming objective lens (8), coarse adjustment mechanism (9), micro-adjusting mechanism (10), CCD camera (11), base (12), image-forming objective lens lens barrel (13), main truss (14) is formed, light source (1) is positioned at a side of base (12), mirror lens (3) is positioned at the opposite side of base (12), collimation lens (2) is positioned at the centre of base (12), on base (12), be provided with main truss (14), on main truss (14), be provided with image-forming objective lens lens barrel (13), be provided with CCD camera (11) on the top of image-forming objective lens lens barrel (13), be provided with image-forming objective lens (8) at the middle part, be provided with relay lens (7) in the bottom and on base (12) table top of relay lens (7) below, be provided with objective table (4).
2, big view field image measuring microscope according to claim 1 is characterized in that being provided with directions X displacement mechanism (5) and Y direction displacement mechanism (6) on objective table (4).
3, big view field image measuring microscope according to claim 1 is characterized in that being provided with displacement coarse adjustment mechanism (9) and displacement micro-adjusting mechanism (10) on main truss (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02220506 CN2541816Y (en) | 2002-05-13 | 2002-05-13 | Large vision field image measuring microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02220506 CN2541816Y (en) | 2002-05-13 | 2002-05-13 | Large vision field image measuring microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2541816Y true CN2541816Y (en) | 2003-03-26 |
Family
ID=33698783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02220506 Expired - Fee Related CN2541816Y (en) | 2002-05-13 | 2002-05-13 | Large vision field image measuring microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2541816Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100398978C (en) * | 2005-11-23 | 2008-07-02 | 佛山市吉茂工业自动化技术有限公司 | Manual image measuring instrument |
| CN108231513A (en) * | 2016-12-21 | 2018-06-29 | 卡尔蔡司显微镜有限责任公司 | For the method for operation microscope |
-
2002
- 2002-05-13 CN CN 02220506 patent/CN2541816Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100398978C (en) * | 2005-11-23 | 2008-07-02 | 佛山市吉茂工业自动化技术有限公司 | Manual image measuring instrument |
| CN108231513A (en) * | 2016-12-21 | 2018-06-29 | 卡尔蔡司显微镜有限责任公司 | For the method for operation microscope |
| CN108231513B (en) * | 2016-12-21 | 2022-03-01 | 卡尔蔡司显微镜有限责任公司 | Method for operating a microscope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109631787B (en) | Light spot center detection method of transmission type target image and bridge deflection image type detection device | |
| CN110108348B (en) | Thin-wall part micro-amplitude vibration measurement method and system based on motion amplification optical flow tracking | |
| US5381236A (en) | Optical sensor for imaging an object | |
| CN101303269B (en) | Optical system evaluation apparatus, optical system evaluation method and program thereof | |
| CN1967185B (en) | Lens evaluation device | |
| US4971445A (en) | Fine surface profile measuring apparatus | |
| US8675062B2 (en) | Shape measuring device, observation device, and image processing method | |
| WO2022033391A1 (en) | Super-depth-of-field microscopic quick measurement device and measurement method | |
| CN101231158A (en) | Device for fast detecting exiguity object three-dimensional contour dimension based on liquid zoom lens | |
| CN106338524A (en) | Microscopic scanning imaging acquisition device for vertical optical element surface damage and method thereof | |
| CN101038155A (en) | Apparatus and method for detecting surface shape of aspheric surface | |
| CN102636118A (en) | Laser three-differential cofocal theta imaging detection method | |
| JPH11132748A (en) | Multi-focal point concurrent detecting device, stereoscopic shape detecting device, external appearance inspecting device, and its method | |
| WO2015107872A1 (en) | Image acquisition apparatus and control method thereof | |
| CN101033940A (en) | Photo-electric autocollimation microscopic measuring instrument for three-dimensional detection and position of space object | |
| CN2453411Y (en) | Laser minimum light spot measuring device | |
| CN2541816Y (en) | Large vision field image measuring microscope | |
| JPH0868721A (en) | Evaluation method of focusing of optical system, adjusting method, focusing evaluation device, adjustment device, and chart device | |
| CN206832200U (en) | A kind of wide range three-dimensional surface profile measurement apparatus | |
| JPH04172213A (en) | Calibrating method for three-dimensional shape measuring apparatus | |
| CN218728311U (en) | Large eyepiece microscope convenient to observe | |
| CN2526783Y (en) | Optical measurer for non-spherical surface shape | |
| JP3329018B2 (en) | Infrared microscope | |
| CN2397505Y (en) | Optical fibre confocal scanning microscope | |
| CN2588342Y (en) | Objects image synchronous obtained spectral detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |