CN106441104B - A kind of Size Measuring System - Google Patents
A kind of Size Measuring System Download PDFInfo
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- CN106441104B CN106441104B CN201611219848.9A CN201611219848A CN106441104B CN 106441104 B CN106441104 B CN 106441104B CN 201611219848 A CN201611219848 A CN 201611219848A CN 106441104 B CN106441104 B CN 106441104B
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- computer
- controller
- measuring system
- camera
- size measuring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention provides a kind of Size Measuring System, and by computer trigger signal based on the received, controlling profile camera and depth camera carry out Image Acquisition, and the result of Image Acquisition is matched and adjusted with pre-stored image model；Further according to the requirement of received size, dimension measurement result is calculated in the automatic measuring point identification in the result of Image Acquisition；The above-mentioned image procossing of system computer based and control measurement process, can be realized automation and the measurement of intelligentized rapid dimensional, solve problem of the prior art.
Description
Technical field
The present invention relates to size measurement technique field more particularly to a kind of Size Measuring Systems.
Background technique
With the successive appearance of the strategy such as German Industrial 4.0, made in China 2025, Development by Depending on Network information technology, big data,
The depth integration of the technologies such as cloud computing and integrated, traditional manufacture just gradually marches toward the intelligence manufacture epoch.China's traditional manufacture
Development space is faced with the situation gradually squeezed, therefore, automated manufacturing and intelligent level, ability is only continuously improved
Accelerate the transition and upgrade of China's manufacturing industry.
Currently, it is quickly and accurately the urgent need of many actual production lines, and uses in process of production traditional
Measuring device, since it uses method of structured light to measure the size of workpiece, it is at high cost, and speed is slow, limitation
The intellectually and automatically of manufacture field is horizontal.
Summary of the invention
In view of this, the present invention provides a kind of Size Measuring System, to solve the prior art due to using structure light side
The problem that method automates caused by measuring to the size of workpiece and intelligent level is low.
To achieve the above object, technical solution provided by the present application is as follows:
A kind of Size Measuring System, comprising: profile camera, depth camera, electronic control translation stage, the first controller, computer
And fixing piece；Wherein:
The computer is connected by first controller with the electronic control translation stage；
The electronic control translation stage is for placing testee；
The fixing piece is for fixing the profile camera perpendicular to the electronic control translation stage；
The profile camera is connected with the computer with the depth camera；
The computer controls the profile camera and the depth camera carries out figure for trigger signal based on the received
As acquisition, the result of Image Acquisition is matched and adjusted with pre-stored image model；Further according to the requirement of received size, adjusting
Automatic measuring point identification in the result of Image Acquisition after whole, is calculated dimension measurement result.
Preferably, further includes: lighting device and second controller；
The lighting device is connected by the second controller with the computer；
The computer is also used to send dimming commands to the second controller, controls institute by the second controller
The corresponding position that lighting device is stated as the testee provides illumination.
Preferably, the lighting device is LED light source；
The computer is also used to through the second controller be the power illuminating device.
Preferably, the profile camera includes: telecentric lens and big resolution ratio CMOS camera；
The big resolution ratio CMOS camera is connected with the Cameralink interface of the computer；
The depth camera is connected with the GigE interface of the computer.
Preferably, the computer is also used to power for the profile camera and the depth camera.
Preferably, when the computer is used to that the result of Image Acquisition to be matched and be adjusted with pre-stored image model,
It is specifically used for:
The result of Image Acquisition and pre-stored image model are subjected to location matches；If the result and pre-stored image of Image Acquisition
There are errors for corresponding position in model, then are corrected to current coordinate, obtain the image taking results under calibration coordinate,
Result as the Image Acquisition adjusted.
Preferably, first controller is connect by RS232 serial ports with the computer；
First controller is connected by DB9 connector with the electronic control translation stage；
The computer is also used to through first controller be electronic control translation stage power supply.
Preferably, the computer is also used to carry out real time image collection clarity evaluation and focusing control.
Preferably, the computer is also used to carry out model importing or 3D modeling to testee, prestores described in generation
Iconic model.
Preferably, the computer is also used to carry out with the associate device of communication connection is realized by wired or wireless way
Data interaction.
By above scheme it is found that the present invention provides a kind of Size Measuring System, based on the received by the computer
Trigger signal controls the profile camera and the depth camera and carries out Image Acquisition, and by the result of Image Acquisition with prestore
Iconic model is matched and is adjusted；Further according to the requirement of received size, the automatic measuring point identification in the result of Image Acquisition,
Dimension measurement result is calculated；Above-mentioned image procossing of the system based on the computer and control measurement process, Neng Goushi
Now automation and the measurement of intelligentized rapid dimensional, solve problem of the prior art.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of Size Measuring System provided in an embodiment of the present invention；
Fig. 2 is another structural schematic diagram of Size Measuring System provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of Size Measuring Systems, to solve the prior art due to using method of structured light to workpiece
The problem that size automates caused by measuring and intelligent level is low.
Specifically, the Size Measuring System, referring to Fig. 1, comprising: profile camera 101, depth camera 102, electronic control translation stage
103, the first controller 104, computer 105 and fixing piece；Wherein:
Computer 105 is connected by the first controller 104 with electronic control translation stage 103；
Profile camera 101 is connected with computer 105 with depth camera 102.
Preferably, profile camera 101 includes: telecentric lens and big resolution ratio CMOS camera；
The big resolution ratio CMOS camera is connected with the Cameralink interface of computer 105；
Depth camera 102 is connected with the GigE interface of computer 105.
Specific working principle are as follows:
Electronic control translation stage 103 is for placing testee；
The fixing piece is for fixing profile camera 101 perpendicular to electronic control translation stage 103；
Computer 105 carries out image for trigger signal based on the received, controlling profile camera 101 and depth camera 102
Acquisition, the result of Image Acquisition is matched and is adjusted with pre-stored image model.
Preferably, computer 105 is for having when the result of Image Acquisition is matched and adjusted with pre-stored image model
Body is used for:
The result of Image Acquisition and pre-stored image model are subjected to location matches；If the result and pre-stored image of Image Acquisition
There are errors for corresponding position in model, then are corrected to current coordinate, obtain the image taking results under calibration coordinate,
Result as Image Acquisition adjusted.
Then, computer 105 is required further according to received size, automatic identification in the result of Image Acquisition after the adjustment
Dimension measurement result is calculated in measurement point.
In specific practical application, computer 105 includes memory, processor, human-computer interaction and display module,
In, the execution program of above-mentioned principle is stored in memory, processor is used to automatically control each component in the Size Measuring System,
Each index measurement of testee is completed according to the execution program of above-mentioned principle；Human-computer interaction and display module are for completing in real time
The display such as Image Acquisition, measurement result, and the control input of user can be received.
The measurement result image of contour direction is exported by Cameralink interface to computer 105, the survey of depth direction
It measures result and computer 105 is transferred to by network interface.When profile camera 101 increases resolution ratio CMOS camera (i.e. using telecentric lens
Big target surface camera) when completing the dimensional measurement of X/Y plane, telecentric lens enable to the distortion of imaging as small as possible, and can fit
The difference in height situation of workpiece in z-direction is answered, to reduce bring measurement error as far as possible in imaging.And computer 105
Machine vision processing is carried out to the big target surface image obtained by big resolution ratio CMOS camera, and according to the workpiece of user's pre-input
Structure size requirement, in the picture automatic measuring point identification, namely the key point of measurement, and obtain the pixel between key point away from
From etc. relationships, to calculate the actual value of workpiece corresponding size.Since the pixel resolution of big target surface image is higher than required
Measurement accuracy, therefore, it is possible to complete the XY of coincidence measurement required precision to the measurement of needles of various sizes.
In addition, for the fixing piece as supporting structure system, main function is by profile camera in addition to said modules
101 perpendicular to electronic control translation stage 103 and detected lens assembly, provides to components such as profile camera 101, electronic control translation stages 103
Necessary support.
The Size Measuring System provided in this embodiment, was measured based on the above-mentioned image procossing of computer 105 and control
Journey can be realized automation and the measurement of intelligentized rapid dimensional, solve problem of the prior art.
On the basis of above-described embodiment, it is preferred that computer 105 is also used to as profile camera 101 and depth camera
102 power supplies.
Specifically, the big resolution ratio CMOS camera for the measurement of XY Directional Contour is using Cameralink interface by computer
105 directly power, can be by the capture card of two Cameralink data lines and computer 105 in specific practical application
Connection, therefore above-mentioned used sensor does not need individual power supply measure, is powered by the corresponding interface of computer 105 for it
?.
Preferably, the first controller 104 is connect by RS232 serial ports with computer 105；
First controller 104 is connected by DB9 connector with electronic control translation stage 103；
Computer 105 is also used to through the first controller 104 be the power supply of electronic control translation stage 103.
In specific practical application, the first controller 104 uses 220V AC power supply, while being electronic control translation stage
103 provide power supply, are connect between computer 105 using RS232 serial ports.
It can be using the DB9 connector connection of three 9 needles between first controller 104 and the electronic control translation stage 103 of three axis.
Computer 105 is not specifically limited herein, can specifically be answered depending on it using the desktop computer of server level
Depending on environment, within the scope of protection of this application.
On the basis of above-described embodiment, it is preferred that computer 105 is also used to carry out clarity to real time image collection
Evaluation and focusing control.
Computer 105 detects optical focusing situation by the evaluation to realtime graphic clarity, and forms focusing control knot
Fruit completes Z-direction dimensional measurement process for controlling measuring mechanism, while can be used for the clarity evaluation of XY contour direction.
Preferably, computer 105 is also used to carry out model importing or 3D modeling to testee, prestores figure described in generation
As model.
Computer 105 is handled by machine vision to realtime graphic, by the pre-stored image model, and then can be by
The measurement of size between corresponding each key point is completed according to workpiece part figure.
Preferably, computer 105 is also used to carry out with the associate device of communication connection is realized by wired or wireless way
Data interaction.
Computer 105 and each associate device carry out data interaction, can further increase the automation of manufacture field
With intelligent level.
In addition, on the basis of above-described embodiment, the Size Measuring System, referring to fig. 2, further includes: lighting device 106
And second controller 107；
Lighting device 106 is connected by second controller 107 with computer 105；
Computer 105 is also used to send dimming commands to second controller 107, is controlled and is illuminated by second controller 107
Device 106 provides illumination for the corresponding position of the testee.
Preferably, lighting device 106 is LED light source；
Computer 105 is also used to through second controller 107 be the power supply of lighting device 106.
In specific practical application, computer 105 can pass through the people of judgement or user's input to picture quality
Work sets Numerical Implementation to the brightness adjustment of lighting device 106；
On the basis of above-described embodiment, in conjunction with lighting device 106 and second controller 107, promoting should for the present embodiment
Size Measuring System realizes the blur-free imaging to detected workpiece entirety.
Second controller 107 can also provide power supply to LED light source simultaneously, in specific practical application, using 220V
Alternating current can just make second controller 107 and LED light source work.Certainly, it's not limited to that, the design parameter of each power supply
It can be selected according to its specific application environment, within the scope of protection of this application.
It is worth noting that testee mentioned in the present invention is not necessarily limited to workpiece part, namely the present invention
The Size Measuring System provided is not limited only to manufacture field, can also realize the size of the object under test for other field
Measurement, no longer repeats, within the scope of protection of this application one by one herein.
Other specific working principles are same as the previously described embodiments, no longer repeat one by one herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of Size Measuring System characterized by comprising profile camera, depth camera, electronic control translation stage, the first control
Device, computer and fixing piece；Wherein:
The computer is connected by first controller with the electronic control translation stage；
The electronic control translation stage is for placing testee；
The fixing piece is for fixing the profile camera perpendicular to the electronic control translation stage；
The profile camera is connected with the computer with the depth camera；
The computer controls the profile camera and adopts with depth camera progress image for trigger signal based on the received
The result of Image Acquisition and pre-stored image model are carried out location matches by collection；If the result of Image Acquisition and pre-stored image model
In there are errors for corresponding position, then current coordinate is corrected, obtains the image taking results under calibration coordinate, as
The result of Image Acquisition adjusted；Further according to the requirement of received size, know automatically in the result of Image Acquisition after the adjustment
Other measurement point, is calculated dimension measurement result.
2. Size Measuring System according to claim 1, which is characterized in that further include: lighting device and second controller；
The lighting device is connected by the second controller with the computer；
The computer is also used to send dimming commands to the second controller, controls the photograph by the second controller
Bright device provides illumination for the corresponding position of the testee.
3. Size Measuring System according to claim 2, which is characterized in that the lighting device is LED light source；
The computer is also used to through the second controller be the power illuminating device.
4. Size Measuring System according to any one of claims 1 to 3, which is characterized in that the profile camera includes: telecentricity
Camera lens and big resolution ratio CMOS camera；
The big resolution ratio CMOS camera is connected with the Cameralink interface of the computer；
The depth camera is connected with the GigE interface of the computer.
5. Size Measuring System according to claim 4, which is characterized in that the computer is also used to as the profile phase
Machine and the depth camera are powered.
6. Size Measuring System according to any one of claims 1 to 3, which is characterized in that first controller passes through
RS232 serial ports is connect with the computer；
First controller is connected by DB9 connector with the electronic control translation stage；
The computer is also used to through first controller be electronic control translation stage power supply.
7. Size Measuring System according to any one of claims 1 to 3, which is characterized in that the computer is also used to reality
When Image Acquisition carry out clarity evaluation and focusing control.
8. Size Measuring System according to any one of claims 1 to 3, which is characterized in that the computer is also used to quilt
It surveys object and carries out model importing or 3D modeling, generate the pre-stored image model.
9. Size Measuring System according to any one of claims 1 to 3, which is characterized in that the computer is also used to and leads to
It crosses wired or wireless way and realizes that the associate device of communication connection carries out data interaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219848.9A CN106441104B (en) | 2016-12-26 | 2016-12-26 | A kind of Size Measuring System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611219848.9A CN106441104B (en) | 2016-12-26 | 2016-12-26 | A kind of Size Measuring System |
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| Publication Number | Publication Date |
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| CN106441104A CN106441104A (en) | 2017-02-22 |
| CN106441104B true CN106441104B (en) | 2019-02-01 |
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| CN201611219848.9A Expired - Fee Related CN106441104B (en) | 2016-12-26 | 2016-12-26 | A kind of Size Measuring System |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449501A (en) * | 2017-08-17 | 2017-12-08 | 深圳市异方科技有限公司 | A kind of product is weighed reading code and dimension volume measuring system automatically |
| CN108592796A (en) * | 2018-08-03 | 2018-09-28 | 西安远心光学系统有限公司 | Big visual field high-precision intelligent optical measuring instrument and its measurement method |
| CN109785379B (en) * | 2018-12-17 | 2021-06-15 | 中国科学院长春光学精密机械与物理研究所 | Method and system for measuring size and weight of symmetrical object |
| CN109978939B (en) * | 2019-05-21 | 2023-03-24 | 安徽宏途机器人科技有限公司 | Object size estimation system and method and warehouse capacity estimation system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100299930B1 (en) * | 1994-05-31 | 2002-06-20 | 후타카미 카즈히코 | Apparatus for measuring the dimensions of objects and the scales used therein |
| US8648702B2 (en) * | 2010-08-20 | 2014-02-11 | Denso International America, Inc. | Combined time-of-flight and image sensor systems |
| KR101706093B1 (en) * | 2010-11-30 | 2017-02-14 | 삼성전자주식회사 | System for extracting 3-dimensional coordinate and method thereof |
| JP5547105B2 (en) * | 2011-02-01 | 2014-07-09 | 株式会社キーエンス | Dimension measuring apparatus, dimension measuring method and program for dimension measuring apparatus |
| KR101861765B1 (en) * | 2011-03-03 | 2018-05-29 | 삼성전자주식회사 | Depth pixel including microlens and depth sensor including the depth pixel |
| TWM443156U (en) * | 2011-11-23 | 2012-12-11 | Chien Hui Chuan | System for three-dimensional shape and size measurement |
| CN104376558B (en) * | 2014-11-13 | 2017-02-08 | 浙江大学 | Cuboid-based intrinsic parameter calibration method for Kinect depth camera |
| CN104330038B (en) * | 2014-11-26 | 2017-02-22 | 厦门优策信息科技有限公司 | Size measurement method |
| CN204881572U (en) * | 2015-03-31 | 2015-12-16 | 北京京东尚科信息技术有限公司 | Measure equipment of object size |
| CN105115445A (en) * | 2015-09-14 | 2015-12-02 | 杭州光珀智能科技有限公司 | Three-dimensional imaging system and imaging method based on combination of depth camera and binocular vision |
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