CN204720036U - Photoelectric detection teaching experiment platform - Google Patents

Photoelectric detection teaching experiment platform Download PDF

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Publication number
CN204720036U
CN204720036U CN201520449722.5U CN201520449722U CN204720036U CN 204720036 U CN204720036 U CN 204720036U CN 201520449722 U CN201520449722 U CN 201520449722U CN 204720036 U CN204720036 U CN 204720036U
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CN
China
Prior art keywords
ccd camera
light source
area array
lifting table
led area
Prior art date
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Expired - Fee Related
Application number
CN201520449722.5U
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Chinese (zh)
Inventor
张志峰
汤一明
翟玉生
李世海
沙飞龙
苏玉玲
王新杰
刘海增
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Zhengzhou University of Light Industry
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Zhengzhou University of Light Industry
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Priority to CN201520449722.5U priority Critical patent/CN204720036U/en
Application granted granted Critical
Publication of CN204720036U publication Critical patent/CN204720036U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of Photoelectric Detection teaching experiment platform, comprise casing, be provided with base in casing, base is provided with lifting table and support, the two ends of base are separately installed with T-shaped light source bracket; Support is provided with CCD camera, and CCD camera is connected with graphics processing unit; The picture plane of CCD camera is parallel with lifting table table top and the optical axis of CCD camera is vertical with lifting table table top; Be provided with LED area array light source in the below of CCD camera, LED area array light source is arranged on T-shaped light source bracket, and LED area array light source is provided with dot laser and laser line generator.Lifting table of the present utility model, on the one hand as placement platform, matches with dot laser and laser line generator on the other hand, and laser triangulation experiment and three-dimensional measurement test provide condition.Direction of illumination and the LED area array light source of dot laser and laser line generator are consistent, and irradiating angle can adjust, and ensure uniform illumination.The utility model is simple to operate, and accurately, cost is low in observation, and the ability of practice of the abundant exercise student ' of energy, improves the quality of teaching.

Description

Photoelectric Detection teaching experiment platform
Technical field
The utility model belongs to machine vision images and measures and mode identification technology, is specifically related to a kind of Photoelectric Detection teaching experiment platform.
Background technology
In recent years, along with the fast development of image identifying and processing technology, Ge great colleges and universities have offered the course relevant to machine vision and image procossing all in succession.The study of this kind of curriculum requirements student theory uses machine vision and image processing techniques to solve some engineering problems, the displacement measurement of such as one dimension, the dimensional measurement of object and discriminator.But current most relevant teaching all just rests in the aspect of theory teaching, student can carry out testing and close manual conditions and environment few, causes student to lack starting the ability of practice, is unfavorable for the quality of imparting knowledge to students.
Utility model content
For above-mentioned the deficiencies in the prior art, the utility model provides a kind of energy fully exercise student ' ability of practice, and simple to operate, cost of manufacture is low, the Photoelectric Detection teaching innovation experiment platform that precision is high.
For reaching above-mentioned technical purpose, the technical scheme that the utility model adopts is as follows:
A kind of Photoelectric Detection teaching experiment platform, comprise casing, be provided with base in casing, base is provided with lifting table and support, the two ends of base are separately installed with T-shaped light source bracket; Support is provided with CCD camera, and CCD camera is connected with graphics processing unit; The picture plane of CCD camera is parallel with lifting table table top and the optical axis of CCD camera is vertical with lifting table table top; Be provided with LED area array light source in the below of CCD camera, LED area array light source is arranged on T-shaped light source bracket, and LED area array light source is provided with dot laser and laser line generator.
The range of adjustment of described lifting table is 0.1mm-60mm.
Described support comprises vertical rack and horizontal stand, the lower end of vertical rack is fixed on base, and the upper end of vertical rack is provided with horizontal stand, and horizontal stand moves up and down on vertical rack, horizontal stand is provided with CCD camera, and CCD camera moves left and right on horizontal stand.
The utility model by CCD camera horizontal stand move left and right and horizontal stand moves up and down him on vertical rack, the optimum photographing position of adjustment CCD camera, LED area array light source provides required illumination of taking pictures to CCD camera, the angle of adjustment LED area array light source can make better effects if of taking pictures, and makes observation more accurate.The utility model arranges the lifting table that can be elevated with certain precision at vertical direction on base, on the one hand as the placement platform of observation thing, match with the dot laser on LED area array light source and laser line generator on the other hand, test for student does laser triangulation experiment and three-dimensional measurement condition is provided.Direction of illumination and the LED area array light source of dot laser and laser line generator are consistent, and irradiating angle can adjust, and ensure uniform illumination.The utility model is simple to operate, and accurately, cost is low in observation, and the ability of practice of the abundant exercise student ' of energy, improves the quality of teaching.
Accompanying drawing explanation
Fig. 1 is the front view of embodiment 1.
Fig. 2 is the left view of embodiment 1.
Embodiment
Embodiment 1: as shown in Figure 1-2, a kind of Photoelectric Detection teaching experiment platform, comprises casing 1, is provided with base 2 in casing 1, base 2 is provided with lifting table 3 and support.T-shaped light source bracket 6 is separately installed with at the two ends of base 2.
Described support comprises vertical rack 4-1 and horizontal stand 4-2, the lower end of vertical rack 4-1 is fixed on base 2, the upper end of vertical rack 4-1 is provided with horizontal stand 4-2, horizontal stand 4-2 moves up and down on vertical rack 4-1, horizontal stand 4-2 is provided with CCD camera 5, and CCD camera 5 moves left and right on horizontal stand 4-2.To be moved left and right on horizontal stand 4-2 by CCD camera 5 and horizontal stand 4-2 moves up and down and regulates the optimum photographing position of CCD camera 5 on vertical rack 4-1.CCD camera 5 is connected with graphics processing unit 10.
The picture plane of CCD camera 5 is parallel with lifting table 3 table top and the optical axis of CCD camera 5 is vertical with lifting table 3 table top.Be provided with LED area array light source 7 in the below of CCD camera 5, LED area array light source 7 is arranged on T-shaped light source bracket 6.LED area array light source 7 is provided with dot laser 8 and laser line generator 9.Dot laser 8 is consistent with the irradiation side of LED area array light source 7 with laser line generator 9, ensures uniform illumination.
Wherein, the range of adjustment of described lifting table 3 is 0.1mm-60mm.
Described graphics processing unit 10 comprises four experiment modules, and first experiment module is laser triangulation range finding, helps student to understand principle and the measuring system of Distance measuring using single-point laser triangulation; Second experiment module is that object length is measured, and proposes a kind of method of innovative rough measure object length, helps student to understand demarcation in machine vision and image processing process; 3rd experiment module is radius measurement, helps student to understand the application principle of machine vision in three-dimensional measurement and method, and allows student have the demarcation of camera and image procossing further to understand; 4th experiment module is cotton identification, allows emphatically the application of Students ' Learning image procossing in Photoelectric Detection.Each experiment module all has corresponding action pane.
The action pane of laser triangulation experiment module comprises CodeWindow and result window, comprises school zero-sum and measure in CodeWindow.
Object length experiments of measuring module window comprises CodeWindow, parameter window and result window, and CodeWindow comprises to be demarcated and measure.
Radius measurement experiment module window comprises CodeWindow and result window, and CodeWindow comprises inner demarcation, extrinsic calibration, radius acquisition and result.
Cotton identification experiment comprises CodeWindow, image window and result window, and CodeWindow comprises Image Acquisition and image procossing.
Allow student's connected applications rise by these experiments deeply understand and the sturdy knowwhy grasping machine vision and image processing techniques in Photoelectric Detection, allow student have it experience more intuitively, that improves student starts the ability of practice and innovation ability, has also cultivated interest and the ability of student's enquiry learning knowledge simultaneously.
Embodiment 2: a kind of Photoelectric Detection teaching experiment platform, comprises casing, be provided with base in casing, base is provided with lifting table and support, the two ends of base are separately installed with T-shaped light source bracket; Support is provided with CCD camera, and CCD camera is connected with graphics processing unit; The picture plane of CCD camera is parallel with lifting table table top and the optical axis of CCD camera is vertical with lifting table table top; Be provided with LED area array light source in the below of CCD camera, LED area array light source is arranged on T-shaped light source bracket, and LED area array light source is provided with dot laser and laser line generator.Wherein, the range of adjustment of described lifting table is 0.1mm-60mm.

Claims (3)

1. a Photoelectric Detection teaching experiment platform, is characterized in that: comprise casing (1), is provided with base (2) in casing (1), base (2) is provided with lifting table (3) and support, and the two ends of base (2) are separately installed with T-shaped light source bracket (6); Support is provided with CCD camera (5), CCD camera (5) is connected with graphics processing unit (10); The picture plane of CCD camera (5) is parallel with lifting table (3) table top and the optical axis of CCD camera (5) is vertical with lifting table (3) table top; Be provided with LED area array light source (7) in the below of CCD camera (5), LED area array light source (7) is arranged on T-shaped light source bracket (6), and LED area array light source (7) is provided with dot laser (8) and laser line generator (9).
2. Photoelectric Detection teaching experiment platform according to claim 1, is characterized in that: the range of adjustment of described lifting table (3) is 0.1mm-60mm.
3. Photoelectric Detection teaching experiment platform according to claim 1 and 2, it is characterized in that: described support comprises vertical rack (4-1) and horizontal stand (4-2), the lower end of vertical rack (4-1) is fixed on base (2), the upper end of vertical rack (4-1) is provided with horizontal stand (4-2), horizontal stand (4-2) moves up and down on vertical rack (4-1), horizontal stand (4-2) is provided with CCD camera (5), and CCD camera (5) moves left and right on horizontal stand (4-2).
CN201520449722.5U 2015-06-29 2015-06-29 Photoelectric detection teaching experiment platform Expired - Fee Related CN204720036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520449722.5U CN204720036U (en) 2015-06-29 2015-06-29 Photoelectric detection teaching experiment platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520449722.5U CN204720036U (en) 2015-06-29 2015-06-29 Photoelectric detection teaching experiment platform

Publications (1)

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CN204720036U true CN204720036U (en) 2015-10-21

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CN201520449722.5U Expired - Fee Related CN204720036U (en) 2015-06-29 2015-06-29 Photoelectric detection teaching experiment platform

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107131847A (en) * 2017-06-15 2017-09-05 宁波九纵智能科技有限公司 A kind of measurement apparatus and method that can be applied to 3D bend glass surface testings
CN110411349A (en) * 2019-06-27 2019-11-05 洛阳豪特现代测试技术有限公司 A kind of mechanism motion characteristic checking test
CN112530216A (en) * 2020-12-16 2021-03-19 北京新大陆时代教育科技有限公司 Immersive virtual-real interaction training system and method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107131847A (en) * 2017-06-15 2017-09-05 宁波九纵智能科技有限公司 A kind of measurement apparatus and method that can be applied to 3D bend glass surface testings
CN107131847B (en) * 2017-06-15 2024-04-09 宁波九纵智能科技有限公司 Measuring device and method applicable to surface shape detection of 3D curved glass
CN110411349A (en) * 2019-06-27 2019-11-05 洛阳豪特现代测试技术有限公司 A kind of mechanism motion characteristic checking test
CN112530216A (en) * 2020-12-16 2021-03-19 北京新大陆时代教育科技有限公司 Immersive virtual-real interaction training system and method thereof

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151021

Termination date: 20160629

CF01 Termination of patent right due to non-payment of annual fee