CN203349783U - Machine vision two-dimensional detection platform device - Google Patents
Machine vision two-dimensional detection platform device Download PDFInfo
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- CN203349783U CN203349783U CN 201320372360 CN201320372360U CN203349783U CN 203349783 U CN203349783 U CN 203349783U CN 201320372360 CN201320372360 CN 201320372360 CN 201320372360 U CN201320372360 U CN 201320372360U CN 203349783 U CN203349783 U CN 203349783U
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Abstract
The utility model discloses a machine vision two-dimensional detection platform device. The machine vision two-dimensional detection platform device comprises an imaging system, a supporting system, and a control system for controlling the above two systems. The imaging system comprises a photoelectronic imaging module and a data acquisition module. The supporting system comprises a two-dimensional workbench and an executing mechanism. The control system comprises a controller and a computer. The controller is in bidirectional connection with the computer. The controller is used to receive computer control instructions. The computer is in bidirectional connection with the data acquisition module. The controller is used to control the executing mechanism and the photoelectronic imaging module separately. The executing mechanism is in driving connection with the two-dimensional workbench. The two-dimensional workbench is connected with the photoelectronic imaging module. The photoelectronic imaging module is in bidirectional connection with the data acquisition module. According to the utility model, in the whole process, little or no participant is needed, the advantage of high automation degree can be realized, and on-line measurement can be realized basically, wherein the measuring speed depends on the complexity of a measured object.
Description
Technical field
The utility model relates to a kind of machine vision two-dimensional detection stage apparatus, belongs to the precise measure detection field.
Background technology
In the modern industry automated production, relate to various inspections, measurement and Parts Recognition application, for example auto-parts dimension inspection and the integrity checking of assembling automatically, the element of electronic assemblies line is located automatically, the printing quality inspection of beverage bottle cap, the bar code in the packing of product and character recognition etc.The common feature of this class application is continuous production in enormous quantities, very high to the requirement of presentation quality.Usually this with highly repeatability and intelligent work can only be completed by manual detection, see through the modernization streamline back of some factories that are everlasting and hundreds ofly even exceed thousand detection workman and carry out this procedure, increasing huge cost of labor and handling cost to factory when, still can not guarantee 100% the rate that is up to the standards (i.e. " zero-fault "), and the competition between current enterprise has not allowed even 0.1% defect exists.Sometimes, as minute sized accurate Quick Measurement, form fit, color-identifying etc., with human eye, can't carry out continuously and stably, other physical quantity transducer also difficulty is had place to show one's prowess at all.At this moment, people start to consider the repeatability of the rapidity of computing machine, operability, result, with height intellectuality and the abstracting power of human vision, combine, and have produced thus the concept of machine vision.In general, machine vision replaces human eye to do measurement and judgement with machine exactly.At first adopt the CCD camera will be ingested target and convert picture signal to, send special-purpose image processing system to, according to information such as pixel distribution and brightness, colors, be transformed into digitized signal; Picture system carries out to these signals the feature that various computings carry out extracting objects, as: area, length, quantity, position etc.; Finally, according to default permission and other output with conditions results, as: size, angle, side-play amount, number, qualified/defective, with/without etc.
In a word, the applied for machines vision system can significantly reduce inspection cost, improve the quality of products, and faster production and efficiency.As high precision, non-contacting measurement scheme, vision system relates to optics and image processing algorithm, itself is exactly the product of highly-specialised, in whole Measurement and Control System, often will coordinate with kinetic control system completing place to correct and feeding control.
Summary of the invention
In order to overcome the above-mentioned shortcoming existed in various inspections in existing industrial automation production, measurement and Parts Recognition application, the utility model provides a kind of machine vision two-dimensional detection stage apparatus.
The technical solution adopted in the utility model is:
Machine vision two-dimensional detection stage apparatus, it is characterized in that: comprise the imaging system that can complete image acquisition work, can realize the support system that examined object is supported and control the control system of above-mentioned two systems, described imaging system comprises photoelectronic imaging module and data acquisition module, described support system comprises two-dimentional work bench and topworks, and described control system comprises controller and computing machine; Described controller is connected with computer bidirectional, and the input end of described controller is connected with the output terminal of described data acquisition module, and described computing machine is connected with described data acquisition module is two-way; Described controller is controlled respectively described topworks and described photoelectronic imaging module, described topworks drives and is connected with described two-dimentional work bench, described two-dimentional work bench is connected with described photoelectronic imaging module, and described photoelectronic imaging module is connected with described data acquisition module is two-way; The output terminal of described computing machine is connected with the input end of described controller, and the output terminal of described controller is connected with the input end of described two-dimentional work bench.
Further, described imaging system also comprises autofocus mechanism, and described autofocus mechanism is controlled by described controller, and is connected to realize the automatic focusing of described photoelectronic imaging module with described photoelectronic imaging module.
Further, also comprise printer and keyboard, described printer is connected with the output terminal of described computing machine, and described keyboard is connected with the input end of described computing machine.
Further, described photoelectronic imaging module adopts ccd video camera, and the pixel resolution of described video camera is selected to determine according to the system testing requirement.
Further, described data acquisition module adopts the acquisition and processing card based on the CameralLink interface, can guarantee the picking rate of 2GB/s; Described acquisition and processing card is to have the PFGA module that can realize the low layer Processing Algorithm, and then guarantees processing speed.
Further, described topworks adopts two-phase stepper motor.
Preferably, described two-phase stepper motor is five phase step motor; Preferred, described five phase step motor is servomotor.
Controller receiving computer steering order described in the utility model, described computing machine passes to controller by the measuring route signal, and controller receives search and the mensuration that signal rear drive worktable carries out zone to be detected.
The intelligent work mode that the utility model adopts the automatic search surveyed area and automatically focuses, can accurately detect two-dimensional, passes through the driving of two-dimentional work bench simultaneously, can detect large sized object.Detection algorithm adopts the machine vision Processing Algorithm, examined object is carried out to the exact image analysis, after the dotted line information that obtains examined object, but shape and dimension information with regard to object analysis, visual detection algorithm adopts standard C to write, all algorithms have originality, for the MMX order set, optimize simultaneously, so accuracy of detection and speed are guaranteed, accuracy of detection can reach 0.2 pixel, for adopting the ccd video camera that pixel dimension is 7 microns, theoretical precision can reach 1.4 microns.
Testing process of the present utility model is as follows:
Thing to be detected is placed on worktable, and planning survey path (computer software utilizes the model storehouse to support to detect the planning in path), computer software according to measuring route to the actuating mechanism controls signal, drive the movement of two-dimentional work bench, determine the sharpness of image simultaneously according to picture signal in each measuring position, accurately focus realizing, and calculate the tested metrical information of each position.Whole process seldom or not needs people's participation, and automaticity is high, substantially can realize on-line measurement, and measuring speed is dependent on the complexity of measuring thing.
The beneficial effects of the utility model are embodied in: whole process seldom or not needs people's participation, and automaticity is high, substantially can realize on-line measurement, and measuring speed is dependent on the complexity of measuring thing.
The accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram.
Embodiment
With reference to Fig. 1, machine vision two-dimensional detection stage apparatus,: comprise the imaging system that can complete image acquisition work, can realize the support system that examined object is supported and control the control system of above-mentioned two systems, described imaging system comprises photoelectronic imaging module 2 and data acquisition module 8, described support system comprises two-dimentional work bench 1 and topworks 3, and described control system comprises controller 5 and computing machine 7; Described controller 5 and the two-way connection of computing machine 7, and described controller 5 receiving computer 7 steering orders, described computing machine 7 and described two-way connection of data acquisition module 8; Described controller 5 is controlled respectively described topworks 3 and described photoelectronic imaging module 2, described topworks 3 drives and is connected with described two-dimentional work bench 1, described two-dimentional work bench 1 is connected with described photoelectronic imaging module 2, described photoelectronic imaging module 2 and described two-way connection of data acquisition module 8; The output terminal of described computing machine 7 is connected with the input end of described controller 5, and the output terminal of described controller 5 is connected with the input end of described two-dimentional work bench 1.
Further, described imaging system also comprises autofocus mechanism 4, and described autofocus mechanism 4 is controlled by described controller 5, and is connected to realize the automatic focusing of described photoelectronic imaging module 2 with described photoelectronic imaging module 2.
Further, also comprise printer 6 and keyboard 9, described printer is connected with the output terminal of described computing machine, and described keyboard is connected with the input end of described computing machine.
Further, described photoelectronic imaging module 2 adopts ccd video camera, and the pixel resolution of described video camera is selected to determine according to the system testing requirement.
Further, the acquisition and processing card that described data acquisition module 8 adopts based on the CameralLink interface, can guarantee the picking rate of 2GB/s; Described acquisition and processing card is to have the PFGA module that can realize the low layer Processing Algorithm, and then guarantees processing speed.
Further, described topworks 3 adopts two-phase stepper motor.
Preferably, described two-phase stepper motor is five phase step motor; Preferred, described five phase step motor is servomotor.
The intelligent work mode that the utility model adopts the automatic search surveyed area and automatically focuses, can accurately detect two-dimensional, passes through the driving of two-dimentional work bench simultaneously, can detect large sized object.Detection algorithm adopts the machine vision Processing Algorithm, examined object is carried out to the exact image analysis, after the dotted line information that obtains examined object, but shape and dimension information with regard to object analysis, visual detection algorithm adopts standard C to write, all algorithms have originality, for the MMX order set, optimize simultaneously, so accuracy of detection and speed are guaranteed, accuracy of detection can reach 0.2 pixel, for adopting the ccd video camera that pixel dimension is 7 microns, theoretical precision can reach 1.4 microns.
Testing process of the present utility model is as follows:
Thing to be detected is placed on worktable, and planning survey path (computer software utilizes the model storehouse to support to detect the planning in path), computer software according to measuring route to the actuating mechanism controls signal, drive the movement of two-dimentional work bench, determine the sharpness of image simultaneously according to picture signal in each measuring position, accurately focus realizing, and calculate the tested metrical information of each position.Whole process seldom or not needs people's participation, and automaticity is high, substantially can realize on-line measurement, and measuring speed is dependent on the complexity of measuring thing.
The described content of this instructions embodiment is only enumerating the way of realization of inventive concept; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to the utility model in those skilled in the art.
Claims (6)
1. machine vision two-dimensional detection stage apparatus, it is characterized in that: comprise the imaging system that can complete image acquisition work, can realize the support system that examined object is supported and control the control system of above-mentioned two systems, described imaging system comprises photoelectronic imaging module and data acquisition module, described support system comprises two-dimentional work bench and topworks, and described control system comprises controller and computing machine; Described controller is connected with computer bidirectional, and the input end of described controller is connected with the output terminal of described data acquisition module, and described computing machine is connected with described data acquisition module is two-way; Described controller is controlled respectively described topworks and described photoelectronic imaging module, described topworks drives and is connected with described two-dimentional work bench, described two-dimentional work bench is connected with described photoelectronic imaging module, and described photoelectronic imaging module is connected with described data acquisition module is two-way; The output terminal of described computing machine is connected with the input end of described controller, and the output terminal of described controller is connected with the input end of described two-dimentional work bench.
2. machine vision two-dimensional detection stage apparatus as claimed in claim 1, it is characterized in that: described imaging system also comprises autofocus mechanism, described autofocus mechanism is controlled by described controller, and is connected to realize the automatic focusing of described photoelectronic imaging module with described photoelectronic imaging module.
3. machine vision two-dimensional detection stage apparatus as claimed in claim 2, it is characterized in that: also comprise printer and keyboard, described printer is connected with the output terminal of described computing machine, and described keyboard is connected with the input end of described computing machine.
4. machine vision two-dimensional detection stage apparatus as claimed in claim 3, is characterized in that: described photoelectronic imaging module employing ccd video camera.
5. machine vision two-dimensional detection stage apparatus as claimed in claim 4, it is characterized in that: described data acquisition module adopts the acquisition and processing card based on the CameralLink interface, and described acquisition and processing card is to have the PFGA module that can realize the low layer Processing Algorithm.
6. machine vision two-dimensional detection stage apparatus as claimed in claim 5, is characterized in that: described topworks employing two-phase stepper motor.
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| CN 201320372360 CN203349783U (en) | 2013-06-26 | 2013-06-26 | Machine vision two-dimensional detection platform device |
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| CN103383240A (en) * | 2013-06-26 | 2013-11-06 | 浙江工业大学 | Machine vision two-dimension detecting platform device |
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| CN103383240A (en) * | 2013-06-26 | 2013-11-06 | 浙江工业大学 | Machine vision two-dimension detecting platform device |
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Granted publication date: 20131218 Termination date: 20160626 |
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