CN108982537A - A kind of product surface quality detection system based on image - Google Patents
A kind of product surface quality detection system based on image Download PDFInfo
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- CN108982537A CN108982537A CN201810395875.4A CN201810395875A CN108982537A CN 108982537 A CN108982537 A CN 108982537A CN 201810395875 A CN201810395875 A CN 201810395875A CN 108982537 A CN108982537 A CN 108982537A
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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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
- G01N2201/06186—Resistance heated; wire sources; lamelle sources
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/062—LED's
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Image Processing (AREA)
Abstract
The product surface quality detection system based on image that the invention discloses a kind of, including light-source illuminating system, image acquisition units, image processing unit, control unit, transmission device, alarm unit, sensor unit, sorting equipment, main control computer;Described image acquisition unit is connect with image processing unit, for acquiring detected product surface image;The light-source illuminating system, image processing unit, transmission device, sensor unit, alarm unit, sorting equipment, main control computer are connect with control unit, the present invention cooperates the surface image of acquisition examined product by light-source illuminating system and image acquisition units jointly, image processing unit carries out high-precision, high efficient detection to the surface of entire product and outer edge defect, and defective and lossless product can be sorted to different zones by sorting equipment, improve the accuracy, consistency and detection efficiency of detection.
Description
Technical field
The present invention relates to product surface quality detection field more particularly to a kind of product surface quality detections based on image
System.
Background technique
In the processing and assembling process of metal product, the defects of face crack, scratch, bubble, spot, pit, hole
The usability or even safety of product are influenced, therefore detection is carried out to product surface and is of great significance.Currently, each part
Manufacturer, which still still generallys use, manually picks mode, and which is there are heavy workload, detection efficiency is low, false detection rate and omission factor are high
The disadvantages of.It is born in addition, the mode of hand picking also brings heavy Economics and Management to enterprise.
To solve the above-mentioned problems, the present invention proposes a kind of product surface quality detection system based on image.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of product surface quality detection system based on image.
Specifically, the purpose of the present invention is achieved through the following technical solutions: a kind of product surface quality inspection based on image
Examining system, including light-source illuminating system, image acquisition units, image processing unit, control unit, transmission device, alarm unit,
Sensor unit, sorting equipment, main control computer;
The light-source illuminating system is connect with control unit, for the product surface in image acquisition units acquisition range
It is illuminated, improves image information clarity;
Described image acquisition unit is connect with image processing unit, for acquiring detected product surface image;
Described image processing unit is connect with control unit, for handling product surface image collected;
The transmission device is connect with control unit, for driving examined product to move;
The sensor unit is connect with control unit, completes the automatic positioning of detected product;
The alarm unit is connect with control unit, for making warning note to the defective situation of product surface;
The sorting equipment is connect with control unit, and lossless product and defective are sorted to different zones for that will have;
The main control computer is connect with control unit, treated for receiving image processing unit image, shows product
The statistical results such as yields, the total amount of detected product realize the interaction of operator and control unit, realize the fortune to system
The operation such as row, stopping, the reset of transmission device, debugging of discharge.
Further, the light-source illuminating system is LED linear light source.
Further, described image acquisition unit is CCD digital camera.
Further, described image processing unit is pattern process computer, for receiving image acquisition units acquisition
Image information, and image procossing is carried out to the image that image acquisition units obtain, edge extracting, geometric correction, defect dipoles, is lacked
It falls into calculate and be stored with positioning and faulty goods image, and main control computer is transmitted to by control unit.
5. the product surface quality detection system according to claim 1 based on image, which is characterized in that the report
Alert unit is acoustic-optic alarm, defect alarm occurs for examined product surface.
Further, the sensor unit is photoelectric induction type sensor, for incuding position, the row of detected product
Whether whether successful, the rhythm of mechanical movement, feeding block, and result are sent to control in the form of electric pulse defective out
Unit.
Further, described control unit is for receiving the signal from sensor unit, the operation of real-time induction system
State judges whether to break down, to make one's choice;It receives from image processing unit to the processing result of examined product,
And the flow direction of examined product is determined with this, lossless product region is rejected or entered to control sorting equipment.
The beneficial effects of the present invention are: cooperate acquisition is tested to produce jointly by light-source illuminating system and image acquisition units
The surface image of product, image processing unit carry out high-precision, high efficient detection to the surface of entire product and outer edge defect, and
Defective and lossless product can be sorted to different zones by sorting equipment;Image processing unit processing is received by main control computer
Image afterwards, shows the statistical results such as the yields of product, the total amount of detected product, realizes operator and control unit
Interaction operates the operation of system, stopping, the reset of transmission device, debugging of discharge etc..
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.
As shown in Figure 1, a kind of product surface quality detection system based on image, including light-source illuminating system, image are adopted
Collect unit, image processing unit, control unit, transmission device, alarm unit, sensor unit, sorting equipment, master control calculating
Machine;
The light-source illuminating system is connect with control unit, for the product surface in image acquisition units acquisition range
It is illuminated, improves image information clarity;
Described image acquisition unit is connect with image processing unit, for acquiring detected product surface image;
Described image processing unit is connect with control unit, for handling product surface image collected;
The transmission device is connect with control unit, for driving examined product to move;
The sensor unit is connect with control unit, completes the automatic positioning of detected product;
The alarm unit is connect with control unit, for making warning note to the defective situation of product surface;
The sorting equipment is connect with control unit, and lossless product and defective are sorted to different zones for that will have;
The main control computer is connect with control unit, treated for receiving image processing unit image, shows product
The statistical results such as yields, the total amount of detected product realize the interaction of operator and control unit, realize the fortune to system
The operation such as row, stopping, the reset of transmission device, debugging of discharge.
Further, the light-source illuminating system is LED linear light source.
Further, described image acquisition unit is CCD digital camera.
Further, described image processing unit is pattern process computer, for receiving image acquisition units acquisition
Image information, and image procossing is carried out to the image that image acquisition units obtain, edge extracting, geometric correction, defect dipoles, is lacked
It falls into calculate and be stored with positioning and faulty goods image, and main control computer is transmitted to by control unit.
5. the product surface quality detection system according to claim 1 based on image, which is characterized in that the report
Alert unit is acoustic-optic alarm, defect alarm occurs for examined product surface.
Further, the sensor unit is photoelectric induction type sensor, for incuding position, the row of detected product
Whether whether successful, the rhythm of mechanical movement, feeding block, and result are sent to control in the form of electric pulse defective out
Unit.
Further, described control unit is for receiving the signal from sensor unit, the operation of real-time induction system
State judges whether to break down, to make one's choice;It receives from image processing unit to the processing result of examined product,
And the flow direction of examined product is determined with this, lossless product region is rejected or entered to control sorting equipment.
It should be noted that for simple description, therefore, it is stated as a systems for each embodiment of the method above-mentioned
The combination of actions of column, but those skilled in the art should understand that, the application is not limited by the described action sequence, because
For according to the application, certain some step be can be performed in other orders or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, related movement and unit not necessarily this Shen
It please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, reference can be made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, ROM, RAM etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (7)
1. a kind of product surface quality detection system based on image, which is characterized in that including light-source illuminating system, Image Acquisition
Unit, image processing unit, control unit, transmission device, alarm unit, sensor unit, sorting equipment, main control computer;
The light-source illuminating system is connect with control unit, for the product surface in image acquisition units acquisition range
It is illuminated, improves image information clarity;
Described image acquisition unit is connect with image processing unit, for acquiring detected product surface image;
Described image processing unit is connect with control unit, for handling product surface image collected;
The transmission device is connect with control unit, for driving examined product to move;
The sensor unit is connect with control unit, completes the automatic positioning of detected product;
The alarm unit is connect with control unit, for making warning note to the defective situation of product surface;
The sorting equipment is connect with control unit, and lossless product and defective are sorted to different zones for that will have;
The main control computer is connect with control unit, treated for receiving image processing unit image, shows product
The statistical results such as yields, the total amount of detected product realize the interaction of operator and control unit, realize the fortune to system
The operation such as row, stopping, the reset of transmission device, debugging of discharge.
2. the product surface quality detection system according to claim 1 based on image, which is characterized in that the light source shines
Bright system is LED linear light source.
3. the product surface quality detection system according to claim 1 based on image, which is characterized in that described image is adopted
Integrate unit as CCD digital camera.
4. the product surface quality detection system according to claim 1 based on image, which is characterized in that at described image
Reason unit is pattern process computer, for receiving the image information of image acquisition units acquisition, and is obtained to image acquisition units
The image obtained carries out image procossing, edge extracting, geometric correction, defect dipoles, defect calculating and positioning and faulty goods image
Storage, and main control computer is transmitted to by control unit.
5. the product surface quality detection system according to claim 1 based on image, which is characterized in that the alarm is single
Member is acoustic-optic alarm, defect alarm occurs for examined product surface.
6. the product surface quality detection system according to claim 1 based on image, which is characterized in that the sensor
Unit is photoelectric induction type sensor, and whether position, the discharge defective for incuding detected product are successful, mechanical movement
Whether rhythm, feeding block, and send result to control unit in the form of electric pulse.
7. the product surface quality detection system according to claim 1 based on image, which is characterized in that the control is single
Member is for receiving the signal from sensor unit, and the operating status of real-time induction system judges whether to break down, to do
It chooses out;It receives from image processing unit to the processing result of examined product, and determines the flow direction of examined product with this, control
Lossless product region is rejected or entered to sorting equipment.
Priority Applications (1)
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CN201810395875.4A CN108982537A (en) | 2018-04-27 | 2018-04-27 | A kind of product surface quality detection system based on image |
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CN201810395875.4A CN108982537A (en) | 2018-04-27 | 2018-04-27 | A kind of product surface quality detection system based on image |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113109346A (en) * | 2021-03-08 | 2021-07-13 | 中国第一汽车股份有限公司 | Automatic surface quality detection system and method for automobile panel plate |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113109346A (en) * | 2021-03-08 | 2021-07-13 | 中国第一汽车股份有限公司 | Automatic surface quality detection system and method for automobile panel plate |
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Application publication date: 20181211 |