CN110320215A - Automotive air-conditioning controller vision detection system and method based on LBVIEW - Google Patents
Automotive air-conditioning controller vision detection system and method based on LBVIEW Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 69
- 238000004378 air conditioning Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title abstract description 13
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- 238000003860 storage Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
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- 238000012544 monitoring process Methods 0.000 claims description 4
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- 238000004519 manufacturing process Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/76—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries based on eigen-space representations, e.g. from pose or different illumination conditions; Shape manifolds
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
- G01N2021/8893—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques providing a video image and a processed signal for helping visual decision
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Abstract
The present invention provides a kind of automotive air-conditioning controller vision detection system and method based on LBVIEW, the practical problem low, at high cost for traditional sensing techniques detection efficiency, false detection rate is high, by man-machine collaboration robot (referred to as " COBOT ") and sensor perfect combination, full-automatic, intellectualized detection to objects such as the appearance of automotive air-conditioning controller, character color, character outline, Character Intensity, angle, torques are realized.The technology uses G language instruction mode, by vision-based detection correlation function in a manner of function and control modularization, can not only carry out Image Acquisition, analysis processing and each parameter selection simultaneously and extract, and but also can show treatment process information and corresponding parametric values as needed.
Description
Technical field
The present invention relates to automotive electronics component detection fields, more particularly to the view of the automotive air-conditioning controller based on LBVIEW
Feel detection system and method.
Background technique
With the progress of modern society's science and technology, the development of auto industry also more and more rapidly, the installation of automobile parts also day
Become lean, the moulding of product also more diversification.Automotive air-conditioning controller supplier is while both production and marketing thrive, it has to face
Traditional detection inefficiency, worker's wages and welfare rise bring cost pressure.
Detection to automotive air-conditioning controller, currently, the mode that mainstream vendor mostly uses greatly artificial and sensor to combine
It is detected.This mode has the advantages that strong flexibility, investment are lower, easy to maintain, but detection efficiency is low, detects manually
Cheng Zhong, operating angle and torque can not carry out stringent judgement, and during detection operation, inspector is due to nonstandard
Quasi- manner of execution or the unequal reason of dynamics, cause sensor erroneous detection, so that comprehensive total error rate is greater than 5%.And it is examining
When survey can not read action sensor value, can not also store corresponding data so as to non-non-defective unit product can not carry out retrospect look into
It askes.
Summary of the invention
The present invention provides a kind of automotive air-conditioning controller vision detection system and method based on LBVIEW, examines for tradition
Low, at high cost, false detection rate the is high practical problem of survey technology detection efficiency, by man-machine collaboration robot (referred to as " COBOT ") and biography
Sensor perfect combination is realized to the appearance of automotive air-conditioning controller, character color, character outline, Character Intensity, angle, torsion
Full-automatic, the intellectualized detection of the objects such as square.The technology uses G language instruction mode, by vision-based detection correlation function with function
With the mode modularization of control, Image Acquisition, analysis processing and each parameter selection can have not only been carried out simultaneously and had been extracted, but also can be as needed
Show treatment process information and corresponding parametric values.
The present invention is achieved through the following technical solutions:
Automotive air-conditioning controller vision detection system based on LBVIEW, including such as lower component:
Detection components, have rack, and rack is set as several layers, sequentially consists of control zone, clamping area, detection zone
And auxiliary region, detection fixture is provided in clamping area, detecting clamping on fixture has detected product；Activity is provided in detection zone
Camera bellows component, moveable bellows component include the camera bellows being arranged on the rack by sliding rail, and camera bellows leading portion is provided with camera；Auxiliary region
It is inside provided with bracket, the first display is provided on bracket, cradle top is provided with headlamp；Control zone is provided with control group
Part, including data acquisition module, communication module and the LBVIEW vision-based detection module being connect with camera；
Robot assembly has robot supporting table, and robot supporting table bottom is provided with robot control cabinet, robot
It is provided with mechanical arm on supporting table table top, and is provided with detected product storage area；
Finished product intermediate station is equipped with the platform of idler wheel for bottom, for storing and transporting detected product.
Further, the detection components side is provided with exemplar cabinet, and exemplar cabinet top portion is provided with printer, printer with
Control assembly is electrically connected, and is provided with second display above printer.
Further, the detection components and robot assembly bottom are provided with universal wheel.
Further, the camera bellows and detection fixture are composed using Al-alloy metal plate with holes.
Further, the mechanical arm is CR5 humanoid robot, and is configured with and can be used for rotating, presses and the machinery of corner
Hand, and corresponding torsion, pressure and angular transducer are set, the sensor is electrically connected with control assembly.
Automotive air-conditioning controller visible detection method based on LBVIEW, includes the following steps:
S1, the detected product storage area that detected product is transported to robot supporting table using finished product intermediate station；
S2, by detected product clamping to clamping area, carry out energization detection, while revolving to knob using mechanical arm
Turn, pressing and corner, and by torsion, pressure and angular transducer, real time data monitoring is carried out to corresponding actions respectively, and draw
Action data curve processed and prompt of transfiniting acquire associated action data in real time and are uploaded to control assembly storage；
S3, real-time appearance data is acquired using camera, LABVIEW is sent image data to by ethernet communication mode
Middle display simultaneously carries out image procossing；
S4, detection are completed and are identified, and will test standard compliant product and have been placed on finished product intermediate station and are transported to storehouse
Library；Incongruent product then otherwise processed.
In the above method, described image processing includes HSL matching, gray value matching and brightness matching.
The present invention has the advantage that:
1) based on the vision detection technology of LBVIEW, command adapted thereto is sent, it can be achieved that air conditioning for automobiles control by CAN communication
Full-automatic, the intellectualized detection of the objects such as appearance, character (color, profile, brightness), angle, the torque of device processed.
2) man-machine collaboration robot (referred to as " COBOT ") and sensor perfect combination are improved detection system by this technology
Overall performance, effective working can be controlled within 66 seconds, and product false detection rate is less than 1%.
3) by torsion, pressure and angular transducer, real time data monitoring is carried out to corresponding actions respectively, and draw movement
Data and curves and prompt of transfiniting, acquire associated action data and appearance images and persistence, in real time to trace.
Detailed description of the invention
Fig. 1 is the structural representation of the automotive air-conditioning controller vision detection system based on LBVIEW in the embodiment of the present invention
Figure.
Fig. 2 is the flow chart of the automotive air-conditioning controller visible detection method based on LBVIEW in the embodiment of the present invention.
Appended drawing reference is as follows:
1, detection components, 2, robot assembly, 3, finished product intermediate station, 4, rack, 5, detection fixture, 6, detected product,
7, moveable bellows component, 8, camera, 9, bracket, the 10, first display, 11, headlamp, 12, control assembly, 13, robot control
Case processed, 14, mechanical arm, 15, detected product storage area, 16, finished product intermediate station, 17, exemplar cabinet, 18, printer, 19, second
Display.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, the automotive air-conditioning controller vision detection system based on LBVIEW, including such as lower component:
Detection components 1 have rack 4, and rack 4 is set as several layers, sequentially consist of control zone, clamping area, inspection
Area and auxiliary region are surveyed, detection fixture 5 is provided in clamping area, detecting clamping on fixture 5 has detected product 6；It is set in detection zone
It is equipped with moveable bellows component 7, moveable bellows component 7 includes the camera bellows being arranged in rack 4 by sliding rail, and camera bellows leading portion is provided with
Camera 8；It is provided with bracket 9 in auxiliary region, the first display 10 is provided on bracket 9, is provided with headlamp 11 at the top of bracket 9；
Control zone is provided with control assembly 12, including data acquisition module, communication module and the LBVIEW vision-based detection connecting with camera 8
Module；
Robot assembly 2, have robot supporting table, robot supporting table bottom is provided with robot control cabinet 13, machine
It is provided with mechanical arm 14 on device people's supporting table table top, and is provided with 6 storage area of detected product；
Finished product intermediate station 163 is equipped with the platform of idler wheel for bottom, for storing and transporting detected product 6.
In a preferred embodiment of the present invention, 1 side of detection components is provided with exemplar cabinet 17,17 top of exemplar cabinet
It is provided with printer 18, printer 18 and control assembly 12 are electrically connected, and are provided with second display 19 above printer 18, can
To testing result real time print and to file, as backup file.
In a preferred embodiment of the present invention, the detection components 1 and 2 bottom of robot assembly are provided with universal
Wheel, it may be convenient to mobile.
In a preferred embodiment of the present invention, the camera bellows and detection fixture 5 use Al-alloy metal board group with holes
It closes, it is porous to can be convenient equipment cooling.
In a preferred embodiment of the present invention, the mechanical arm 14 is CR5 humanoid robot, and is configured with and can be used for revolving
Turn, the manipulator of pressing and corner, and corresponding torsion, pressure and angular transducer be set, the sensor with control group
Part 12 is electrically connected.
As shown in Fig. 2, the automotive air-conditioning controller visible detection method based on LBVIEW, includes the following steps:
S1, the detected product 6 that detected product 6 is transported to robot supporting table is stored using finished product intermediate station 163
Area；
S2, by 6 clamping of detected product to clamping area, carry out energization detection, while carrying out to knob using mechanical arm 14
Rotation, pressing and corner, and by torsion, pressure and angular transducer, real time data monitoring is carried out to corresponding actions respectively, and
It draws action data curve and prompt of transfiniting, acquire associated action data in real time and is uploaded to the storage of control assembly 12；
S3, real-time appearance data is acquired using camera 8, is sent image data to by ethernet communication mode
It is shown in LABVIEW and carries out image procossing；
S4, detection are completed and are identified, and will test standard compliant product and have been placed on finished product intermediate station 163 and are transported to
Warehouse；Incongruent product then otherwise processed.
In the above method, described image processing includes HSL matching, gray value matching and brightness matching.
Image Acquisition is by being sent image data to after camera 8 in real time acquisition by ethernet communication mode
It is shown in LABVIEW, in image processing process, there are mainly three types of mode, HSL matching, gray value matching and brightness matchings.
HSL matching: when carrying out color detection, need to handle colored template picture, by form and aspect (H), satisfy
It is analyzed with three Color Channels of degree (S) and lightness (L), after the completion of analysis, then to the corresponding region cromogram acquired in real time
Piece carries out HSL pattern analysis, then data twice are compared, and is judged according to the range of setting, when the number of acquisition
When according to the standard value for being greater than equal settings with template data matching value, then fits through, when less than setting value, then match and do not pass through.
Gray value matching: it when carrying out character outline matching, needs to convert black and white picture for the color image of acquisition, then
Picture is subjected to gray value analysis and processing, and the template picture gray value of the picture gray value of acquisition and preservation is compared
Judgement, has just been fitted through when more than or equal to setting value, has then matched when less than setting value and do not pass through, carried out faulty goods with this
Intercept process.
Brightness matching: when brightness matching, it is also desirable to convert white-black pattern for acquired image, then use function control
Part carries out brightness detection in region, and value is carried out upper and lower limit comparison, and the brightness value in range is to fit through.
Based on the above processing mode, sub- VI is established in such a way that function and control combine in LABIVEW, sequentially to tie
Structure classification is built.By taking color image is handled as an example, first by newly-built IMAQ, and HSL (U32) mode is selected, by newly-built IMAQ
It is output to for model and reads to analyze template picture in a manner of HSL, while needing to carry out in template file function control
IMAQ Setup Learn Color Pattern operation, then carries out IMAQ Learn Color Pattern, will protect at this time
The template decomposition deposited is the information data needed；Color-match data are handled simultaneously；It also needs to call in template parameter
ROI data, and by data carry out rectangular area processing.After the completion of above data processing, IMAQ Match will be entered
Color Pattern, by the image in selection area, template image carries out analysis comparison with treated at this time, finally will matching
Value afterwards is compared with setting value, and the screening operation of faulty goods can be realized.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. the automotive air-conditioning controller vision detection system based on LBVIEW, which is characterized in that including such as lower component:
Detection components have rack, and rack is set as several layers, sequentially consist of control zone, clamping area, detection zone and auxiliary
Area is helped, detection fixture is provided in clamping area, detecting clamping on fixture has detected product；Moveable bellows are provided in detection zone
Component, moveable bellows component include the camera bellows being arranged on the rack by sliding rail, and camera bellows leading portion is provided with camera；It is set in auxiliary region
It is equipped with bracket, the first display is provided on bracket, cradle top is provided with headlamp；Control zone is provided with control assembly, packet
Include the data acquisition module connecting with camera, communication module and LBVIEW vision-based detection module；
Robot assembly, has robot supporting table, and robot supporting table bottom is provided with robot control cabinet, robot support
It is provided with mechanical arm on platform table top, and is provided with detected product storage area；
Finished product intermediate station is equipped with the platform of idler wheel for bottom, for storing and transporting detected product.
2. the automotive air-conditioning controller vision detection system according to claim 1 based on LBVIEW, which is characterized in that institute
It states detection components side and is provided with exemplar cabinet, exemplar cabinet top portion is provided with printer, and printer and control assembly are electrically connected, beat
Second display is provided with above print machine.
3. the automotive air-conditioning controller vision detection system according to claim 1 based on LBVIEW, which is characterized in that institute
It states detection components and robot assembly bottom is provided with universal wheel.
4. the automotive air-conditioning controller vision detection system according to claim 1 based on LBVIEW, which is characterized in that institute
It states camera bellows and detection fixture is composed using Al-alloy metal plate with holes.
5. the automotive air-conditioning controller vision detection system according to claim 1 based on LBVIEW, which is characterized in that institute
Stating mechanical arm is CR5 humanoid robot, and is configured with and can be used for rotating, presses and the manipulator of corner, and be arranged corresponding torsion,
Pressure and angular transducer, the sensor are electrically connected with control assembly.
6. the automotive air-conditioning controller visible detection method based on LBVIEW, which comprises the steps of:
S1, the detected product storage area that detected product is transported to robot supporting table using finished product intermediate station；
S2, by detected product clamping to clamping area, carry out energization detection, at the same knob is rotated using mechanical arm, by
Pressure and corner, and by torsion, pressure and angular transducer, real time data monitoring is carried out to corresponding actions respectively, and draw dynamic
Make data and curves and prompt of transfiniting, acquire associated action data in real time and is uploaded to control assembly storage；
S3, real-time appearance data is acquired using camera, is sent image data in LABVIEW and is shown by ethernet communication mode
Show and carries out image procossing；
S4, detection are completed and are identified, and will test standard compliant product and have been placed on finished product intermediate station and are transported to warehouse；No
The product met then otherwise processed.
7. the automotive air-conditioning controller visible detection method according to claim 6 based on LBVIEW, which is characterized in that institute
Stating image procossing includes HSL matching, gray value matching and brightness matching.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112824018A (en) * | 2019-11-21 | 2021-05-21 | 成都飞机工业（集团）有限责任公司 | Production line vision auxiliary part clamping workstation |
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