CN206258111U - A kind of image measuring device of use telecentric lens - Google Patents
A kind of image measuring device of use telecentric lens Download PDFInfo
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- CN206258111U CN206258111U CN201621312121.0U CN201621312121U CN206258111U CN 206258111 U CN206258111 U CN 206258111U CN 201621312121 U CN201621312121 U CN 201621312121U CN 206258111 U CN206258111 U CN 206258111U
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- camera
- crossbeam
- camera lens
- standard component
- height adjusting
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Abstract
The utility model discloses a kind of image measuring device of use telecentric lens, including computer module, picture shooting assembly, picture shooting assembly is connected by holding wire and computer module, and the picture shooting assembly includes camera, camera lens, standard component, shooting platform；The shooting platform includes that camera installs crossbeam, camera lens and installs crossbeam, height adjusting link, detection platform；The detection platform upper surface is vertically installed with height adjusting link, camera is provided with the height adjusting link and installs crossbeam, camera lens installation crossbeam；The camera installs crossbeam and camera connection, and the camera lens installs crossbeam and camera lens connection, and the surface of the detection platform is placed with standard component, measured object is placed with below the standard component.The utility model has the advantages that：Can to measurement in each image all independently obtain demarcation information, demarcation information is because shot with measured object simultaneously, therefore the magnifying power and optical axis angle of moment optical system can be shot with actual response, it is final to improve measurement result precision so as to reduce the error of calibration result off-line measurement introducing.
Description
Technical field
The utility model is related to a kind of Radiological measurement device, more particularly, to a kind of radiographic measurement of use telecentric lens
Device.
Background technology
Radiological measurement device has measuring speed fast, the features such as without contacting, therefore has in accurate measurement field wide
General application.In high-precision Radiological measurement device, dropped through replacing the camera lens of common pin-hole model frequently with telecentric lens
Low lens optical distortion, and perspective error is eliminated, and obtain constant magnifying power in different shooting distances.
The magnifying power of telecentric lens is demarcated and camera lens optical axis inclination angle is demarcated for the follow-up plane for calculating object being measured
Size is most important.The technology for generally using now is to use to be printed on gridiron pattern scaling board chequered with black and white known to the length of side, will
Its placement location for keeping flat object being measured in the visual field, magnifying power and camera inclination angle are extracted by image processing software algorithm
Calibration result after, be brought into dimensional measurement calculate in, this method first demarcates the off-line calibration method for measuring afterwards.However,
In actually measurement, the contact because of operating personnel to equipment, or vibrations because of peripheral equipment etc., the good parameter of off-line calibration
Often it is likely to occur change.Once there is error in calibration result, until before next off-line calibration, these have the demarcation knot of error
Fruit can be all updated in Size calculation, and the influence of continuation can be produced to measurement result.
Utility model content
The utility model is directed to the deficiency of existing product, and provides a kind of image measuring device of use telecentric lens, solves
The calibrating parameters that conventional offline calibration system of having determined is present change and cannot also know, and before off-line calibration next time by mistake
Difference long lasting effect measurement result and the problem of error accumulation.
A kind of image measuring device of use telecentric lens of the present utility model, including computer module, picture shooting assembly, clap
Take the photograph component to be connected by holding wire and computer module, the picture shooting assembly includes camera, camera lens, standard component, shooting platform；It is described
Shooting platform includes that camera installs crossbeam, camera lens and installs crossbeam, height adjusting link, detection platform；Hang down the detection platform upper surface
Height adjusting link directly is installed, camera is installed on the height adjusting link crossbeam, camera lens installation crossbeam is installed；The camera peace
Dress crossbeam and camera connection, the camera lens install crossbeam and camera lens connection, and the surface of the detection platform is placed with standard component, institute
State and be placed with below standard component measured object.
Further, the surrounding of the height adjusting link offers the installation draw-in groove of concave shape, and the camera installs crossbeam, mirror
The installation that the end of head installation crossbeam and height adjusting link connection is provided with convex shape is raised；The installation draw-in groove and installation are raised
It is connected, the side of the height adjusting link is provided with lock screw.
Further, the standard component is sheet rectangular structure, and middle part offers engraved structure, the engraved structure
Angle point with coplanar but not conllinear three or more than three.
The beneficial effects of the utility model are：1st, it is rational in infrastructure, it is easy to manufacture, low cost；2nd, it is practical, can be to surveying
Each image in amount all independently obtains demarcation information, demarcation information because shot with measured object simultaneously, therefore can be with
Actual response shoots the magnifying power and optical axis angle of moment optical system, so as to reduce the introducing of calibration result off-line measurement
Error, it is final to improve measurement result precision.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of picture shooting assembly of the present utility model.
Fig. 3 is the structural representation of standard component of the present utility model.
Fig. 4 is the structural representation of second standard component of the present utility model.
Fig. 5 is the three-dimensional view of second standard component of the present utility model.
Fig. 6 is the structural representation of the third standard component of the present utility model.
Fig. 7 is the three-dimensional view of the third standard component of the present utility model.
In figure：Computer module 1, picture shooting assembly 2, camera 3, camera lens 4, standard component 5, shooting platform 6, camera install crossbeam 6-
1st, camera lens installs crossbeam 6-2, height adjusting link 6-3, detection platform 6-4, measured object 7, engraved structure 8, adjustment supporting leg 8-
1st, transparent panel 9.
Specific embodiment
With reference to embodiment, the utility model will be further described.
A kind of image measuring device of use telecentric lens of the present utility model is main by computer module 1, picture shooting assembly
2nd, camera 3, camera lens 4, standard component 5, shoot platform 6, camera install crossbeam 6-1, camera lens install crossbeam 6-2, height adjusting link 6-3,
Detection platform 6-4, measured object 7, engraved structure 8, adjustment supporting leg 8-1, transparent panel 9 are constituted.
Including computer module 1, picture shooting assembly 2, picture shooting assembly 2 is connected by holding wire and computer module 1, the bat
Taking the photograph component 2 includes camera 3, camera lens 4, standard component 5, shooting platform 6；The shooting platform 6 includes that camera installs crossbeam 6-1, camera lens peace
Dress crossbeam 6-2, height adjusting link 6-3, detection platform 6-4；The detection platform 6-4 upper surfaces are vertically installed with height adjusting link
6-3, is provided with camera and installs crossbeam 6-1, camera lens installation crossbeam 6-2 on the height adjusting link 6-3；The camera installs crossbeam
6-1 and camera 3 are connected, and the camera lens installs crossbeam 6-2 and camera lens 4 is connected, and the surface of the detection platform 6-4 is placed with standard
Part 5, the lower section of the standard component 5 is placed with measured object 7.
The surrounding of the height adjusting link 6-3 offers the installation draw-in groove of concave shape, and the camera installs crossbeam 6-1, mirror
The installation that the end of head installation crossbeam 6-2 and height adjusting link 6-3 connections is provided with convex shape is raised；It is described that draw-in groove and peace are installed
Dress male cooperation connection, the side of the height adjusting link 6-3 is provided with lock screw.
The standard component 5 is sheet rectangular structure, and middle part offers engraved structure 8, and the engraved structure has
Polygonized structure, polygonal all angle points should be coplanar.
As shown in Figure 4；The standard component is sheet rectangular structure, and middle part offers engraved structure, the hollow out
Structure, from camera top view, is a plane polygon, and polygonal all angle points are in the same plane.
Dotted line in Fig. 4 is camera fields of view scope, four points of projection in field-of-view image, and 4 points coplanar but not conllinear.
As shown in Figure 5,6；Hollow standard component top stacks is decorated with four transparent panels of intersecting straight lines 9, and four focuses are coplanar
But it is conllinear.
Four turnings of the standard component 5 are provided with mounting hole, and adjustment bolt, adjustment bolt and tune are provided with mounting hole
Whole supporting leg 8-1 connections.
The standard component 5 can be the engraved structure with certain geometry, or surface is printed on certain geometry
The non-engraved structure of shape.The size of its geometry can be learnt by other measuring instrument accurate measurements.
In the present apparatus, camera 3 and camera lens 4 by camera install crossbeam 6-1, camera lens and install crossbeam 6-2 and fixes after connecting
The appropriate height and position of measured object 7 can be clearly photographed on to height adjusting link 6-3.Standard component 5 is equally fixed to detection
On platform 6-4, camera 3 can the height and position that shoots of complete display, and keep the surface of the plane of standard component 5 and detection platform 6-4
It is parallel, after standard component 5 can go out angle of inclination by demarcating inverse, compensated in plane survey.
The detection platform 6-4 can be fixed objective table, or planar translatable any fitness machine
Structure.
A kind of image measuring device of use telecentric lens of the present utility model, can to measurement in each image all
It is independent to obtain demarcation information, the demarcation information because shot with measured object simultaneously, therefore the moment can be shot with actual response
The magnifying power and optical axis angle of optical system, so as to reduce the error of calibration result off-line measurement introducing, final raising is surveyed
Amount result precision.
Using on-line measurement mode, a picture for containing standard component and object being measured simultaneously is only shot, it is possible to
Real-time calibration go out the magnifying power of current telecentric lens optical system and three anglec of rotation ROLL of camera lens optical axis,
PITCH, YAW, so as to ensure that the accuracy of dimensional measurement moment lens parameters calibration result, improve measurement precision, by
This calibrating parameters for solving the presence of conventional offline calibration system changes and cannot also know, and in off-line calibration next time
Preceding error long lasting effect measurement result and the problem of error accumulation.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model description, or directly or indirectly it is used in other phases
The technical field of pass, is similarly included in scope of patent protection of the present utility model.
Claims (3)
1. a kind of image measuring device of use telecentric lens, including computer module (1), picture shooting assembly (2), picture shooting assembly
(2) connected by holding wire and computer module (1), it is characterized in that, the picture shooting assembly (2) including camera (3), camera lens (4),
Standard component (5), shooting platform (6)；Shooting platform (6) is installed crossbeam (6-1), camera lens and installs crossbeam (6-2), height including camera
Adjusting lever (6-3), detection platform (6-4)；Detection platform (6-4) upper surface is vertically installed with height adjusting link (6-3), institute
State and camera installation crossbeam (6-1), camera lens installation crossbeam (6-2) are installed on height adjusting link (6-3)；The camera installs crossbeam
(6-1) and camera (3) are connected, and the camera lens installs crossbeam (6-2) and camera lens (4) connection, the surface of the detection platform (6-4)
Standard component (5) is placed with, measured object (7) is placed with below the standard component (5).
2. the image measuring device of a kind of use telecentric lens according to claim 1, it is characterized in that, the Height Adjustment
The surrounding of bar (6-3) offers the installation draw-in groove of concave shape, the camera install crossbeam (6-1), camera lens install crossbeam (6-2) and
The installation that the end of height adjusting link (6-3) connection is provided with convex shape is raised；The installation draw-in groove and installation male cooperation connect
Connect, the side of the height adjusting link (6-3) is provided with lock screw.
3. the image measuring device of a kind of use telecentric lens according to claim 1, it is characterized in that, the standard component
(5) be sheet rectangular structure, middle part offers engraved structure (8), the engraved structure (8) with polygonized structure,
Polygonal all angle points should be coplanar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312121.0U CN206258111U (en) | 2016-12-02 | 2016-12-02 | A kind of image measuring device of use telecentric lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312121.0U CN206258111U (en) | 2016-12-02 | 2016-12-02 | A kind of image measuring device of use telecentric lens |
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| Publication Number | Publication Date |
|---|---|
| CN206258111U true CN206258111U (en) | 2017-06-16 |
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ID=59027686
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| CN201621312121.0U Active CN206258111U (en) | 2016-12-02 | 2016-12-02 | A kind of image measuring device of use telecentric lens |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600568A (en) * | 2018-05-05 | 2018-09-28 | 广州智汇信息技术有限公司 | A kind of visualization signature system based on block chain |
| CN111156896A (en) * | 2020-01-02 | 2020-05-15 | 浙江大学台州研究院 | Laser auxiliary calibration device used in measurement of sizes of parts with different heights |
| WO2020114189A1 (en) * | 2018-12-03 | 2020-06-11 | 深圳前海达闼云端智能科技有限公司 | Data set collector |
| CN116147506A (en) * | 2023-04-23 | 2023-05-23 | 钛玛科（北京）工业科技有限公司 | Dual CCD camera width measurement method and system |
-
2016
- 2016-12-02 CN CN201621312121.0U patent/CN206258111U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600568A (en) * | 2018-05-05 | 2018-09-28 | 广州智汇信息技术有限公司 | A kind of visualization signature system based on block chain |
| WO2020114189A1 (en) * | 2018-12-03 | 2020-06-11 | 深圳前海达闼云端智能科技有限公司 | Data set collector |
| CN111156896A (en) * | 2020-01-02 | 2020-05-15 | 浙江大学台州研究院 | Laser auxiliary calibration device used in measurement of sizes of parts with different heights |
| CN111156896B (en) * | 2020-01-02 | 2022-06-10 | 浙江大学台州研究院 | Laser auxiliary calibration device used in measurement of sizes of parts with different heights |
| CN116147506A (en) * | 2023-04-23 | 2023-05-23 | 钛玛科（北京）工业科技有限公司 | Dual CCD camera width measurement method and system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220407 Address after: 230088 a14-5, 13 / F, block a, building J1, phase II, innovation industrial park, No. 2800, innovation Avenue, high tech Zone, Hefei, Anhui Province Patentee after: Anhui aiguan Vision Technology Co.,Ltd. Address before: 200233 room 1104-2, No. 2222, Huancheng Road, Juyuan new area, Jiading District, Shanghai Patentee before: SHANGHAI BIZHI BIONIC TECHNOLOGY Co.,Ltd. |
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