CN106441104A - Size measurement system - Google Patents
Size measurement system Download PDFInfo
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- CN106441104A CN106441104A CN201611219848.9A CN201611219848A CN106441104A CN 106441104 A CN106441104 A CN 106441104A CN 201611219848 A CN201611219848 A CN 201611219848A CN 106441104 A CN106441104 A CN 106441104A
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- computer
- controller
- camera
- measuring system
- 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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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a size measurement system. A computer controls a profile camera and a depth camera to acquire images according to received triggering signals, and image acquisition results and a pre-stored image model are matched and adjusted; measurement points are automatically identified in the image acquisition results according to received size requirements, and size measurement results are obtained in a calculated manner. The system can automatically, intelligently and rapidly measure sizes based on image processing and control of measurement processes of the computer and solves the problems of the prior art.
Description
Technical field
The present invention relates to size measurement technique field, more particularly, to a kind of Size Measuring System.
Background technology
With German Industrial 4.0, made in China 2025 etc. strategy appearance in succession, Development by Depending on Network information technology, big data,
The depth integration of the technology such as cloud computing with integrated, traditional manufacture is just progressively marching toward the intelligence manufacture epoch.China's traditional manufacture
Development space is faced with the situation gradually being extruded, and therefore, only improves constantly automated manufacturing and intelligent level, ability
Accelerate the transition and upgrade of China's manufacturing industry.
Currently, urgent needss that are quick and being accurately a lot of actual production lines, and use in process of production traditional
Measuring apparatus, because it is measured to the size of workpiece using method of structured light, therefore, its high cost, and speed is slow, limits
The intellectually and automatically level of manufacture field.
Content of the invention
In view of this, the invention provides a kind of Size Measuring System, to solve prior art due to using structure light side
Automatization that method measures and leads to the size of workpiece and the low problem of intelligent level.
For achieving the above object, the technical scheme that the application provides is as follows:
A kind of Size Measuring System, including:Profile camera, depth camera, electronic control translation stage, the first controller, computer
And fixture;Wherein:
Described computer is connected with described electronic control translation stage by described first controller;
Described electronic control translation stage is used for placing testee;
Described fixture is used for fixing described profile camera perpendicular to described electronic control translation stage;
Described profile camera is all connected with described computer with described depth camera;
Described computer is used for according to the trigger receiving, and controls described profile camera and described depth camera to carry out figure
As collection, the result of image acquisition is mated with pre-stored image model and is adjusted;Further according to the dimensional requirement receiving, adjusting
Automatic measuring point identification in the result of the image acquisition after whole, is calculated dimension measurement result.
Preferably, also include:Illuminator and second controller;
Described illuminator is connected with described computer by described second controller;
Described computer is additionally operable to send dimming commands to described second controller, controls institute by described second controller
The correspondence position stating illuminator for described testee provides illumination.
Preferably, described illuminator is LED light source;
It is described power illuminating device that described computer is additionally operable to by described second controller.
Preferably, described profile camera includes:Telecentric lens and big resolution CMOS camera;
Described big resolution CMOS camera is connected with the Cameralink interface of described computer;
Described depth camera is connected with the GigE interface of described computer.
Preferably, described computer is additionally operable to power for described profile camera and described depth camera.
Preferably, when described computer is used for the result of image acquisition is mated and adjusted with pre-stored image model,
Specifically for:
The result of image acquisition and pre-stored image model are carried out location matches;If the result of image acquisition and pre-stored image
There is error in the relevant position in model, then current coordinate is corrected, and obtains the image taking results under calibration coordinate,
Result as the image acquisition after described adjustment.
Preferably, described first controller is connected with described computer by RS232 serial ports;
Described first controller is connected with described electronic control translation stage by DB9 adapter;
Described computer is additionally operable to power for described electronic control translation stage by described first controller.
Preferably, described computer is additionally operable to real time image collection is entered with line definition evaluation and focusing controls.
Preferably, described computer is additionally operable to carry out model importing or 3D modeling to testee, prestores described in generation
Iconic model.
Preferably, described computer is additionally operable to carry out with the associate device realizing communication connection by wired or wireless way
Data interaction.
From such scheme, the invention provides a kind of Size Measuring System, by described computer according to reception
Trigger, controls described profile camera and described depth camera to carry out image acquisition, and by the result of image acquisition with prestore
Iconic model is mated and is adjusted;Further according to receive dimensional requirement, automatic measuring point identification in the result of image acquisition,
It is calculated dimension measurement result;The above-mentioned image procossing based on described computer for this system and control measurement process, Neng Goushi
Existing automatization and the measurement of intelligentized rapid dimensional, solve problem of the prior art.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of Size Measuring System provided in an embodiment of the present invention;
Fig. 2 is another structural representation of Size Measuring System provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The invention provides a kind of Size Measuring System, with solve prior art due to using method of structured light to workpiece
Automatization that size measures and leads to and the low problem of intelligent level.
Specifically, this Size Measuring System, referring to Fig. 1, including:Profile camera 101, depth camera 102, electronic control translation stage
103rd, the first controller 104, computer 105 and fixture;Wherein:
Computer 105 is connected with electronic control translation stage 103 by the first controller 104;
Profile camera 101 is all connected with computer 105 with depth camera 102.
Preferably, profile camera 101 includes:Telecentric lens and big resolution CMOS camera;
Described big resolution CMOS camera is connected with the Cameralink interface of computer 105;
Depth camera 102 is connected with the GigE interface of computer 105.
Specifically operation principle is:
Electronic control translation stage 103 is used for placing testee;
Described fixture is used for fixing profile camera 101 perpendicular to electronic control translation stage 103;
Computer 105 is used for according to the trigger receiving, and controlling profile camera 101 and depth camera 102 carry out image
Collection, the result of image acquisition is mated with pre-stored image model and is adjusted.
Preferably, when computer 105 is used for the result of image acquisition is mated and adjusted with pre-stored image model, tool
Body is used for:
The result of image acquisition and pre-stored image model are carried out location matches;If the result of image acquisition and pre-stored image
There is error in the relevant position in model, then current coordinate is corrected, and obtains the image taking results under calibration coordinate,
Result as the image acquisition after adjustment.
Then, computer 105 is further according to the dimensional requirement receiving, automatic identification in the result of image acquisition after the adjustment
Measurement point, is calculated dimension measurement result.
In specific practical application, computer 105 includes memorizer, processor, man-machine interaction and display module, its
In, the configuration processor of the above-mentioned principle that is stored with memorizer, processor is used for automatically controlling each part in this Size Measuring System,
Configuration processor according to above-mentioned principle completes each index measurement of testee;Man-machine interaction and display module are used for completing in real time
Image acquisition, measurement result etc. show, and are capable of the control input of receive user.
The measurement result image of contour direction is exported to computer 105, the survey of depth direction by Cameralink interface
Amount result is transferred to computer 105 by network interface.When profile camera 101 adopts telecentric lens to increase resolution CMOS camera (i.e.
Big target surface camera) complete X/Y plane dimensional measurement when, telecentric lens enable to the distortion that is imaged as little as possible it is possible to suitable
Answer workpiece difference in height situation in z-direction, thus reducing, in imaging, the measurement error brought as far as possible.And computer 105
Machine vision process, and the workpiece according to user's pre-entered are carried out to the big target surface image being obtained by big resolution CMOS camera
Physical dimension requires, automatic measuring point identification in the picture, namely the key point of measurement, and draw pixel between key point away from
From etc. relation, thus calculating the actual value of workpiece corresponding size.Because the pixel resolution of big target surface image is higher than required
Certainty of measurement, therefore, it is possible to complete the measurement of the XY of coincidence measurement required precision to needles of various sizes.
In addition, in addition to said modules, as supporting structure system, its Main Function is by profile camera to described fixture
101 perpendicular to electronic control translation stage 103 and detected lens assembly, provides to assemblies such as profile camera 101, electronic control translation stages 103
Necessary support.
This Size Measuring System that the present embodiment provides, the above-mentioned image procossing based on computer 105 and control measured
Journey, is capable of automatization and the measurement of intelligentized rapid dimensional, solves problem of the prior art.
It is preferred that computer 105 is additionally operable to as profile camera 101 and depth camera on the basis of above-described embodiment
102 power supplies.
Specifically, the big resolution CMOS camera for the measurement of XY Directional Contour adopts Cameralink interface by computer
105 directly power, in specific practical application, can be by the capture card of two Cameralink data wires and computer 105
Connect, therefore above-mentioned adopted sensor does not need measure of individually powering, powered for it by the corresponding interface of computer 105
?.
Preferably, the first controller 104 is connected with computer 105 by RS232 serial ports;
First controller 104 is connected with electronic control translation stage 103 by DB9 adapter;
Computer 105 is additionally operable to power for electronic control translation stage 103 by the first controller 104.
In specific practical application, the first controller 104 adopts 220V AC-powered, simultaneously for electronic control translation stage
103 offer power supplys, are connected using RS232 serial ports between computer 105.
The DB9 adapter of three 9 pins can be adopted between first controller 104 and the electronic control translation stage 103 of three axles to be connected.
Computer 105 adopts the desk computer of server level, is not specifically limited herein, can regard it and specifically should
Depending on environment, all in the protection domain of the application.
It is preferred that computer 105 is additionally operable to enter line definition to real time image collection on the basis of above-described embodiment
Evaluate and focusing controls.
Computer 105, by the evaluation to real time imaging definition, detects optical focusing situation, and forms focusing control knot
Really, for controlling measuring mechanism to complete Z-direction dimensional measurement process, can be used for the definition evaluation of XY contour direction simultaneously.
Preferably, computer 105 is additionally operable to carry out model importing or 3D modeling to testee, and prestore described in generation figure
As model.
Computer 105 by processing to the machine vision of real time imaging, by described pre-stored image model, and then can be by
Complete the measurement of size between corresponding each key point according to workpiece part figure.
Preferably, computer 105 is additionally operable to carry out with the associate device realizing communication connection by wired or wireless way
Data interaction.
Computer 105 and each associate device carry out data interaction, can improve the automatization of manufacture field further
With intelligent level.
In addition, on the basis of above-described embodiment, this Size Measuring System, referring to Fig. 2, also include:Illuminator 106
And second controller 107;
Illuminator 106 is connected with computer 105 by second controller 107;
Computer 105 is additionally operable to send dimming commands to second controller 107, controls illumination by second controller 107
Device 106 provides illumination for the correspondence position of described testee.
Preferably, illuminator 106 is LED light source;
Computer 105 is additionally operable to power for illuminator 106 by second controller 107.
In specific practical application, computer 105 can be by the judgement of picture quality or the people of user input
Work sets the brightness adjustment of Numerical Implementation illumination apparatus 106;
, on the basis of above-described embodiment, in conjunction with illuminator 106 and second controller 107, promoting should for the present embodiment
Size Measuring System realizes the blur-free imaging overall to detected workpiece.
Second controller 107 can also provide power supply to LED light source simultaneously, in specific practical application, using 220V
Alternating current can be so that second controller 107 and LED light source work.Certainly, it is not limited to this, the design parameter of each power supply
All can be selected according to its concrete application environment, all in the protection domain of the application.
What deserves to be explained is, the testee mentioned in the present invention is not necessarily limited to workpiece part, namely the present invention
This Size Measuring System providing is not limited only to manufacture field, can also realize the size of the object under test for other field
Measurement, no longer repeats, all in the protection domain of the application herein one by one.
Other specific operation principles are same as the previously described embodiments, no longer repeat one by one herein.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment same or similar partly mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. a kind of Size Measuring System is it is characterised in that include:Profile camera, depth camera, electronic control translation stage, the first control
Device, computer and fixture;Wherein:
Described computer is connected with described electronic control translation stage by described first controller;
Described electronic control translation stage is used for placing testee;
Described fixture is used for fixing described profile camera perpendicular to described electronic control translation stage;
Described profile camera is all connected with described computer with described depth camera;
Described computer is used for according to the trigger receiving, and controls described profile camera to carry out image with described depth camera and adopts
Collection, the result of image acquisition is mated with pre-stored image model and is adjusted;Further according to receive dimensional requirement, after the adjustment
The result of image acquisition in automatic measuring point identification, be calculated dimension measurement result.
2. Size Measuring System according to claim 1 is it is characterised in that also include:Illuminator and second controller;
Described illuminator is connected with described computer by described second controller;
Described computer is additionally operable to send dimming commands to described second controller, controls described photograph by described second controller
Bright device provides illumination for the correspondence position of described testee.
3. Size Measuring System according to claim 2 is it is characterised in that described illuminator is LED light source;
It is described power illuminating device that described computer is additionally operable to by described second controller.
4. according to the arbitrary described Size Measuring System of claims 1 to 3 it is characterised in that described profile camera includes:Telecentricity
Camera lens and big resolution CMOS camera;
Described big resolution CMOS camera is connected with the Cameralink interface of described computer;
Described depth camera is connected with the GigE interface of described computer.
5. Size Measuring System according to claim 4 is it is characterised in that described computer is additionally operable to as described profile phase
Machine is powered with described depth camera.
6. according to the arbitrary described Size Measuring System of claims 1 to 3 it is characterised in that described computer is used for image
When the result of collection is mated and is adjusted with pre-stored image model, specifically for:
The result of image acquisition and pre-stored image model are carried out location matches;If the result of image acquisition and pre-stored image model
In relevant position there is error, then current coordinate is corrected, obtains the image taking results under calibration coordinate, as
The result of the image acquisition after described adjustment.
7. according to the arbitrary described Size Measuring System of claims 1 to 3 it is characterised in that described first controller passes through
RS232 serial ports is connected with described computer;
Described first controller is connected with described electronic control translation stage by DB9 adapter;
Described computer is additionally operable to power for described electronic control translation stage by described first controller.
8. according to the arbitrary described Size Measuring System of claims 1 to 3 it is characterised in that described computer is additionally operable to reality
When image acquisition enter line definition evaluation and focusing control.
9. according to the arbitrary described Size Measuring System of claims 1 to 3 it is characterised in that described computer is additionally operable to quilt
Survey object and carry out model importing or 3D modeling, generate described pre-stored image model.
10. according to the arbitrary described Size Measuring System of claims 1 to 3 it is characterised in that described computer is additionally operable to and leads to
The associate device crossing wired or wireless way realization communication connection carries out data interaction.
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Cited By (4)
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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 |
CN109785379A (en) * | 2018-12-17 | 2019-05-21 | 中国科学院长春光学精密机械与物理研究所 | The measurement method and measuring system of a kind of symmetric objects size and weight |
CN109978939A (en) * | 2019-05-21 | 2019-07-05 | 芜湖智久机器人有限公司 | A kind of dimension of object estimating system and method, warehouse capacity estimating system and method |
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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 |
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CN109978939A (en) * | 2019-05-21 | 2019-07-05 | 芜湖智久机器人有限公司 | A kind of dimension of object estimating system and method, warehouse capacity estimating system and method |
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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