CN202452955U - Linear-array-camera-based automatic acquisition system for panorama of cylinder outer surface - Google Patents
Linear-array-camera-based automatic acquisition system for panorama of cylinder outer surface Download PDFInfo
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- CN202452955U CN202452955U CN2012200133955U CN201220013395U CN202452955U CN 202452955 U CN202452955 U CN 202452955U CN 2012200133955 U CN2012200133955 U CN 2012200133955U CN 201220013395 U CN201220013395 U CN 201220013395U CN 202452955 U CN202452955 U CN 202452955U
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Abstract
The utility model discloses a linear-array-camera-based automatic acquisition system for the panorama of a cylinder outer surface. The system is composed of a cylinder centring-clamping device, a rotating device, a shooting device, and a central controller. The system realizes the panoramic spread of the cylinder outer surface, and can be used for scientific experiment researches such as acquisition for the spread outer surface of an internal-combustion engine cylinder sleeve, and search on the cavitation distribution of the surface, as well as fingerprint investigation and evidence collection of the police; additionally, the system has a wide application prospects in education, entertainment and military fields.
Description
Technical field
The utility model belongs to the acquisition technology field of appearance profile, relates to a kind of automatic collection and launches various cylinder external surface panorama system.
Background technology
The local scene (scene that the user sees at a certain visual angle) of the body of cylinder often of normal image reflection; Corresponding with it, panoramic picture then is to reflect cylinder body overall situation unfolded image, in order to study the accurate position and the regularity of distribution of some surperficial vestiges of cylinder, needs a kind of system of collection cylinder outwardly deploying panorama sketch of degree of precision.
At present; The method that obtains cylinder unwrapping figure mainly is: adopt optical principle, common comprise refractive-reflective all figure cylinder unwrapping, based on the refractive-reflective all figure cylindrical panoramic expansion method of two-way mapping precise interpolation, based on the omni-directional image of Taylor Model launch, based on the seamless quick-speed generation system of the cylinder panoramic image of convex surface catoptron.All there are some shortcomings that can't avoid in these optical meanss:
optical means Design of device precision prescribed high, be unfavorable for production and processing;
optics panoramic picture cylinder unwrapping theoretical algorithm occupying system resources is bigger, and the later stage calculated amount is very big.
Common lens pictures taken synthetic technology: the 8-9 that utilizes common lens to take in same viewpoint opens and has the overlapping image in border to be mapped to same cylinder earlier; Then be spliced again; Adopt the system of this thinking that the QuickTime VR of Apple is typically arranged; The auxiliary software that generates of Canon's band pan-shot digital camera and digital panoramic, the Surround Video software systems of Microsoft in addition.This way of thinking principle is fairly simple, yet the image that collects is accurate inadequately, and is inapplicable in the occasion that some high precision will be just.
Therefore, propose that a kind of good stability, resolution are high, the time can accurately be regulated, easy to use and system that applicability is wide can be used for collecting automatically the cylinder outside surface panoramic expansion figure of degree of precision is very necessary.
The utility model content
The utility model provides the right cylinder outside surface panorama automated collection systems based on line-scan digital camera for solving the problems of the technologies described above, and has solved the panoramic expansion problem of cylinder external surface, obtains face of cylinder outside surface panorama body stretch-out view comparatively accurately.
The utility model is that the technical scheme that the deficiency that solves the problems of the technologies described above adopts is: based on the right cylinder outside surface panorama automated collection systems of line-scan digital camera, forms by filming apparatus, stationary installation, whirligig and central controller,
Described stationary installation comprises worktable, gear wheel, pinion wheel and stepper motor; Gear wheel, pinion wheel and stepper motor are arranged in the worktable; Stepper motor is connected with central controller through data line, gear wheel and pinion, and pinion wheel is connected with the motor shaft of stepper motor;
Described whirligig comprises flat board and scroll chuck, and scroll chuck is through being bolted on the flat board, and the dull and stereotyped transmission shaft that passes through is connected with gear wheel, and right cylinder is installed on the scroll chuck;
Described filming apparatus comprises line-scan digital camera and camera frame; Camera frame is provided with line-scan digital camera; Central controller pass through data line connecting line array camera; Central controller is through the rotation amount rotation of step motor control right cylinder to set, and after each rotation finished, the central controller controls line-scan digital camera was taken right cylinder.
The utility model beneficial effect is:
1, convenient and swift during clamping measured circle cylinder, centering accurately;
2, on whirligig, the anglec of rotation of testee and number of revolutions accurate and adjustable can be provided with different anglec of rotation α according to the size of disc body, be adapted to the various sizes right cylinder, have wide range of applications;
3, use the rotation of central processing unit mcu programming control face of cylinder body and the shooting of line-scan digital camera, automaticity is high, and is easy to operate;
4, system imaging can not produce the phenomenon of distortion for the imaging of true picture NOT logic, and degree of accuracy is high as a result, and the picture that collects can be synthetic with organic form with the existing figure of closing instrument, and post-processed is convenient and simple;
5, native system full-automatic operation, the error that human factor causes is less, favorable repeatability.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the schematic flow sheet of the utility model;
Among the figure: 1, filming apparatus, 101, line-scan digital camera, 102, camera frame, 2, stationary installation; 201, worktable, 202, gear wheel, 203, pinion wheel, 204, stepper motor; 3, whirligig, 301, flat board, 302, scroll chuck; 303, transmission shaft, 4, central controller, 5, right cylinder.
Embodiment
As shown in the figure, based on the right cylinder outside surface panorama automated collection systems of line-scan digital camera, form by filming apparatus 1, stationary installation 2, whirligig 3 and central controller 4,
Described stationary installation 2 comprises worktable 201, gear wheel 202, pinion wheel 203 and stepper motor 204; Gear wheel 202, pinion wheel 203 and stepper motor 204 are arranged in the worktable 201; Stepper motor 204 is connected with central controller 4 through data line; Gear wheel 202 and pinion wheel 203 engagements, pinion wheel 203 is connected with the motor shaft of stepper motor 204;
Described whirligig 3 comprises flat board 301 and scroll chuck 302, and scroll chuck 302 is through being bolted on dull and stereotyped 301, and dull and stereotyped 301 pass through transmission shaft 303 is connected with gear wheel 202, and right cylinder 5 is arranged on the scroll chuck 302;
Described filming apparatus 1 comprises line-scan digital camera 101 and camera frame 102; Camera frame 102 is provided with line-scan digital camera 101; Central controller 4 pass through data line connecting line array camera 101; Central controller 4 is through the rotation amount rotation of stepper motor 104 control right cylinders 5 to set, and after each rotation finished, 101 pairs of right cylinders 5 of central controller 4 control line array cameras were taken.
Described whirligig is guaranteed predefined accurate angle of cylinder body centering rotation.
Described central controller mainly is to penetrate function through the rotation of single chip circuit completion control step motor and the bat of line-scan digital camera.
Shown in accompanying drawing 2, central controller is made up of single chip circuit, and the program that at first programming writes in single-chip microcomputer, program comprise following several respects content: the first step, program begin to carry out the angular velocity of control step motor with needs
ωBegin to rotate official hour t
1, then stop the rotation, during the stepper motor rotation; Gear wheel and pinion drive transmission shaft and rotate; Dull and stereotyped and transmission shaft one, cylinder body are grabbed chuck by interior three and are stepped up and be fixed on the flat board, have so just realized making the centering of cylinder body to rotate a predefined accurate angle [alpha] (α wherein
=ωt
1).Second step, wait stepper motor rotation official hour t
1Add certain t time delay
2After, the control line array camera begins to take, at t time delay
3, begin to continue to carry out the first step.Because the angle once of cylinder body rotation is α, gathers the picture in a week and need take times N
=360
0/ α so setting program is carried out N such circulation, just can collect the cylinder external surface picture in one week.
The utility model has solved the panoramic expansion problem of face of cylinder outside surface; Obtain face of cylinder outside surface panoramic expansion figure accurately; This system can be used for scientific experiment research, launches the outside surface of cylinder jacket of diesel engine such as collection; Its surperficial cavitation pitting distribution is studied, also can be used for police's fingerprint and investigate and collect evidence, it all has a wide range of applications in Edutainment and military field in addition.
Claims (1)
1. based on the right cylinder outside surface panorama automated collection systems of line-scan digital camera, it is characterized in that: form by filming apparatus (1), stationary installation (2), whirligig (3) and central controller (4),
Described stationary installation (2) comprises worktable (201), gear wheel (202), pinion wheel (203) and stepper motor (204); Gear wheel (202), pinion wheel (203) and stepper motor (204) are arranged in the worktable (201); Stepper motor (204) is connected with central controller (4) through data line; Gear wheel (202) and pinion wheel (203) engagement, pinion wheel (203) is connected with the motor shaft of stepper motor (204);
Described whirligig (3) comprises flat board (301) and scroll chuck (302); Scroll chuck (302) is through being bolted on the flat board (301); Dull and stereotyped (301) are connected with gear wheel (202) through transmission shaft (303), and right cylinder (5) is arranged on the scroll chuck (302);
Described filming apparatus (1) comprises line-scan digital camera (101) and camera frame (102); Camera frame (102) is provided with line-scan digital camera (101); Central controller (4) pass through data line connecting line array camera (101); Central controller (4) is through the rotation amount rotation of stepper motor (104) control right cylinder (5) to set, and after each rotation finished, central controller (4) control line array camera (101) was taken right cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200133955U CN202452955U (en) | 2012-01-13 | 2012-01-13 | Linear-array-camera-based automatic acquisition system for panorama of cylinder outer surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200133955U CN202452955U (en) | 2012-01-13 | 2012-01-13 | Linear-array-camera-based automatic acquisition system for panorama of cylinder outer surface |
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| Publication Number | Publication Date |
|---|---|
| CN202452955U true CN202452955U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200133955U Expired - Fee Related CN202452955U (en) | 2012-01-13 | 2012-01-13 | Linear-array-camera-based automatic acquisition system for panorama of cylinder outer surface |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007070A (en) * | 2014-06-19 | 2014-08-27 | 中国石油大学(华东) | Automatic observing device for detecting mineral samples |
| CN105588520A (en) * | 2016-03-14 | 2016-05-18 | 华南理工大学 | ATOS-based gear three-dimensional data acquisition assisting device and gear three-dimensional data acquisition method |
| CN107907071A (en) * | 2017-11-29 | 2018-04-13 | 南京工程学院 | A kind of slave mode bearing groove measurer for curvity radius and method |
| CN108592819A (en) * | 2018-05-09 | 2018-09-28 | 燕山大学 | A kind of plain bending sheet metal component section flexure contour detecting device and method |
| CN110398212A (en) * | 2019-07-23 | 2019-11-01 | 黑龙江大学 | Automatic external screw thread detection device and detection method |
| CN112257675A (en) * | 2020-11-18 | 2021-01-22 | 深圳市坶坭普电子科技有限公司 | Non-contact fingerprint acquisition device of rotatory shooting |
-
2012
- 2012-01-13 CN CN2012200133955U patent/CN202452955U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007070A (en) * | 2014-06-19 | 2014-08-27 | 中国石油大学(华东) | Automatic observing device for detecting mineral samples |
| CN104007070B (en) * | 2014-06-19 | 2015-04-15 | 中国石油大学(华东) | Automatic observing device for detecting mineral samples |
| WO2015192767A1 (en) * | 2014-06-19 | 2015-12-23 | 中国石油大学(华东) | Automatic observation apparatus for detecting mineral samples |
| US9506857B2 (en) | 2014-06-19 | 2016-11-29 | China University Of Petroleum (East China) | Automatic observation apparatus for detecting mineral samples |
| CN105588520A (en) * | 2016-03-14 | 2016-05-18 | 华南理工大学 | ATOS-based gear three-dimensional data acquisition assisting device and gear three-dimensional data acquisition method |
| CN107907071A (en) * | 2017-11-29 | 2018-04-13 | 南京工程学院 | A kind of slave mode bearing groove measurer for curvity radius and method |
| CN108592819A (en) * | 2018-05-09 | 2018-09-28 | 燕山大学 | A kind of plain bending sheet metal component section flexure contour detecting device and method |
| CN110398212A (en) * | 2019-07-23 | 2019-11-01 | 黑龙江大学 | Automatic external screw thread detection device and detection method |
| CN110398212B (en) * | 2019-07-23 | 2021-07-16 | 黑龙江大学 | Automatic external thread detection device and detection method |
| CN112257675A (en) * | 2020-11-18 | 2021-01-22 | 深圳市坶坭普电子科技有限公司 | Non-contact fingerprint acquisition device of rotatory shooting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20140113 |