CN107677690A - A kind of method of work of image measurer for product quality detection - Google Patents

A kind of method of work of image measurer for product quality detection Download PDF

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Publication number
CN107677690A
CN107677690A CN201710866542.0A CN201710866542A CN107677690A CN 107677690 A CN107677690 A CN 107677690A CN 201710866542 A CN201710866542 A CN 201710866542A CN 107677690 A CN107677690 A CN 107677690A
Authority
CN
China
Prior art keywords
image
module
camera
work
measured
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710866542.0A
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Chinese (zh)
Inventor
叶晓龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Tian Jianheng Electronic Information Technologies Co Ltd
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Suzhou Tian Jianheng Electronic Information Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Tian Jianheng Electronic Information Technologies Co Ltd filed Critical Suzhou Tian Jianheng Electronic Information Technologies Co Ltd
Priority to CN201710866542.0A priority Critical patent/CN107677690A/en
Publication of CN107677690A publication Critical patent/CN107677690A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956Inspecting patterns on the surface of objects
    • G01N21/95607Inspecting patterns on the surface of objects using a comparative method
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956Inspecting patterns on the surface of objects
    • G01N21/95607Inspecting patterns on the surface of objects using a comparative method
    • G01N2021/95615Inspecting patterns on the surface of objects using a comparative method with stored comparision signal
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956Inspecting patterns on the surface of objects
    • G01N2021/95638Inspecting patterns on the surface of objects for PCB's

Abstract

A kind of method of work of image measurer for product quality detection of the present invention, including base, measurement workbench, column, lifting support frame, camera head fixing device, camera, light source light compensating apparatus and display control unit, the measurement workbench and column are arranged on base, lifting support frame is arranged on column, camera head fixing device is slidably mounted on lifting support frame, and the output end of the camera electrically connects with display control unit;Display control unit includes image receiver module, image characteristics extraction module, image comparing module, image display and memory module, the output end of image receiver module is connected with the input of image characteristics extraction module and memory module, the output end of described image characteristic extracting module is connected with the input of image comparing module, and the output end of image comparing module and the input of image display connect.Characteristic Contrast will be carried out with sample image after other products progress IMAQs to be detected, detection efficiency is high, reduces the error rate of Product checking.

Description

A kind of method of work of image measurer for product quality detection
Technical field
The present invention relates to detection technique field, the work side of specifically a kind of image measurer for product quality detection Method.
Background technology
Circuit board, it is one of important component of electronic product, it has, and reliability is high, uniformity is good, high mechanical strength, again Measure light, small volume, be easy to the advantages that standardization, oneself is through being widely used in electronic watch, calculator, computer, communication equipment, electricity The electronic products such as sub- radar system.Therefore in the development process of electronic product, the most basic factor of Quality of electronic products is influenceed One of be circuit board quality.The assembling processing of circuit board is typically all that high-volume is processed, and the element needed for circuit board is welded On substrate, because the element of welding on circuit boards is more, welding pin size is smaller, visually checks, is not easy to pinpoint the problems, And the circuit board of naked eyes detection for a long time, easily there is the situation of detection error.
The content of the invention
Goal of the invention:For above-mentioned existing problem and shortage of the prior art, it is an object of the invention to provide one kind Method of work for the image measurer of product quality detection.
Technical scheme:To reach above-mentioned purpose, a kind of image measurer for product quality detection of the present invention Method of work, including base, measurement workbench, column, lifting support frame, camera head fixing device, camera, light source mend Electro-optical device and display control unit, the measurement workbench and column are arranged on base, and lifting support frame is arranged on column, The camera head fixing device is slidably mounted on lifting support frame, and output end and the display control unit of the camera are electrically connected Connect;The display control unit includes image receiver module, image characteristics extraction module, image comparing module, image and shows mould Block and memory module, the output end of described image receiving module are connected with image characteristics extraction module, described image feature extraction Input of the output end of module respectively with image comparing module and memory module is connected, the output end and figure of image comparing module As the input of display module connects;
Specific works method is as follows:
(1), first by sample be placed on measurement workbench on, by camera be arranged on camera head fixing device on, adjustment lifting Support frame is adjusted to suitable angle;
(2), when the current location where camera can absorb the panorama of article to be measured, by image send to display control fill The image receiver module put;
(3), image characteristics extraction module the image of image receiver module is handled, and carries out feature extraction, then store In a storage module;
(4), using the sample image feature in memory module as feature templates;
(5), by article to be measured be placed on measurement workbench on, adjust the position of camera, product to be measured be imaged;
(6), image receiver module receive the image information of article to be measured, image characteristics extraction module carries out image to article to be measured Handle and carry out image characteristics extraction;
(7)Image comparing module is used to the characteristics of image of article to be measured being compared with sample image feature;
(8)If, the image of article to be measured be compared with sample image consistent, show " PASS ";
(9), if the image of article to be measured is compared with sample image inconsistent place be present, show " NO ".
Further, the lifting support frame includes lifting column, cross-brace arm and vertical support arm, the cross-brace Arm is slidably arranged in vertical support arm, and the vertical support arm is arranged on lifting column.Camera head fixing device can be along horizontal stroke Horizontally slipped to support arm, cross-brace arm can enter line slip along vertical support arm, and lifting column drives cross-brace arm and indulged Moved up and down to support arm, realize the operation in X, Y, Z axis direction.
Further, the camera head fixing device includes installation pedestal, rotational positioning block and magnetic-adsorption fixture, described Rotational positioning block is rotatable to be fixed in installation pedestal, and magnetic-adsorption fixture is arranged on rotational positioning block, camera activity On magnetic-adsorption fixture.Further, the placement plate of transparent material, the placement are provided among the measurement workbench Plate is surrounded by locating piece.
Further, the placement plate includes acrylic substrate, anti-scratch coating and nonpolluting coating, and the anti-scratch coating is set In acrylic surface, nonpolluting coating is arranged on above anti-scratch coating.
Further, removable support castor is provided with below the base, the removable support castor is provided with brake Piece.Removable support castor can be easy to image measurer to move, and it is more convenient to carry.
Further, product placement rack is provided with the right side of the base, including qualified products on the product placement rack places Layer frame and substandard product place layer frame.Product placement rack is easy to staff that the product detected is carried out into subregion storage, keeps away Exempt from qualified products and confusion occurs for substandard product.
Above-mentioned technical proposal can be seen that beneficial effects of the present invention:
A kind of method of work of image measurer for product quality detection of the present invention, reasonable in design, detection During product, the image of rational sample is subjected to feature extraction and deposits into capable storage, other products to be detected are carried out into image adopts Characteristic Contrast is carried out with sample image after collection, detection efficiency is high, reduces the error rate of Product checking.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of display control unit of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated.
Embodiment
A kind of method of work of image measurer for product quality detection as shown in Figure 1-2, including base 1, survey Measure workbench 2, column 3, lifting support frame 4, camera head fixing device 5, camera 6 and display control unit 7, the measurement work Make platform 2 and column 3 is arranged on base 1, lifting support frame 4 is arranged on column 3, and the fixing device of camera 6 slides peace On lifting support frame 4, the output end of the camera 4 electrically connects with display control unit 7;The display control unit 7 Including image receiver module 71, image characteristics extraction module 72, image comparing module 73, image display 74 and memory module 75, the output end of described image receiving module 71 is connected with image characteristics extraction module 72, described image characteristic extracting module Input of the output end respectively with image comparing module 73 and memory module 75 is connected, the output end and figure of image comparing module 73 As the input of display module 74 connects;
Specific works method is as follows:
(1), first by sample be placed on measurement workbench 2 on, by camera be arranged on camera head fixing device 5 on, adjustment rise Descending branch support 4 is adjusted to suitable angle;
(2), when the current location where camera 6 can absorb the panorama of article to be measured, image is sent to display control The image receiver module 71 of device 7;
(3)Image characteristics extraction module 72 is handled the image of image receiver module 71, and carries out feature extraction, Ran Houcun Storage is in memory module 75;
(4), using the sample image feature in memory module 75 as feature templates;
(5), by article to be measured be placed on measurement workbench 2 on, adjust camera 6 position, product to be measured is imaged;
(6), image receiver module 71 receive the image information of article to be measured, image characteristics extraction module 72 is carried out to article to be measured Image procossing simultaneously carries out image characteristics extraction;
(7), image comparing module 73 be used for the characteristics of image of article to be measured is compared with sample image feature;
(8)If, the image of article to be measured be compared with sample image consistent, show " PASS ";
(9), if the image of article to be measured is compared with sample image inconsistent place be present, show " NO ".
Lifting support frame 4 described in the present embodiment includes lifting column 41, cross-brace arm 42 and vertical support arm 43, described Cross-brace arm 42 is slidably arranged in vertical support arm 43, and the vertical support arm 43 is arranged on lifting column 41.Camera Fixing device can horizontally slip along cross-brace arm, and cross-brace arm can enter line slip, lifting column band along vertical support arm Dynamic cross-brace arm and vertical support arm move up and down, and realize the operation in X, Y, Z axis direction.
Camera head fixing device 5 described in the present embodiment includes installation pedestal 51, rotational positioning block 52 and magnetic-adsorption folder Tool 53, the rotational positioning block 52 is rotatable to be fixed in installation pedestal 51, and magnetic-adsorption fixture 53 is arranged on rotational positioning On block 52, camera 6 is movably arranged on magnetic-adsorption fixture 53.
The placement plate that transparent material is provided among workbench 2 is measured described in the present embodiment, the placement plate is surrounded by Locating piece.
Plate is placed described in the present embodiment includes acrylic substrate, anti-scratch coating and nonpolluting coating, and the anti-scratch coating is set Put in acrylic surface, nonpolluting coating is arranged on above anti-scratch coating.
Removable support castor 8 is provided with below base 1 described in the present embodiment, the removable support castor 8 is provided with Brake block.Removable support castor can be easy to image measurer to move, and it is more convenient to carry.
Product placement rack is provided with the right side of base 1 described in the present embodiment, is put on the product placement rack including qualified products Put layer frame and substandard product places layer frame.
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention, after the present invention has been read, this Art personnel fall within the application appended claims limited range to the various equivalences of the present invention.

Claims (7)

  1. A kind of 1. method of work of image measurer for product quality detection, it is characterised in that:Including base(1), survey Measure workbench(2), column(3), lifting support frame(4), camera head fixing device(5), camera(6)And display control unit (7), the measurement workbench(2)And column(3)Installed in base(1)On, lifting support frame(4)Installed in column(3)On, institute State camera(6)Fixing device is slidably mounted on lifting support frame(4)On, the camera(4)Output end and display control Device(7)Electrical connection;The display control unit(7)Including image receiver module(71), image characteristics extraction module(72), figure As comparing module(73), image display(74)And memory module(75), described image receiving module(71)Output end with Image characteristics extraction module(72)Connection, described image characteristic extracting module(72)Output end respectively with image comparing module (73)And memory module(75)Input connection, image comparing module(73)Output end and image display(74)It is defeated Enter end connection;
    Specific works method is as follows:
    (1), first sample is placed on measurement workbench(2)On, camera is arranged on camera head fixing device(5)On, adjust Whole lifting support frame(4)Adjusted to suitable angle;
    (2), work as camera(6)When the current location at place can absorb the panorama of article to be measured, image is sent to display and controlled Device processed(7)Image receiver module(71);
    (3), image characteristics extraction module(72)To image receiver module(71)Image handled, and carry out feature extraction, And it is stored in memory module (75);
    (4), using the sample image feature in memory module (75) as feature templates;
    (5), article to be measured is placed on measurement workbench(2)On, adjust camera(6)Position, to product to be measured carry out into Picture;
    (6), image receiver module (71) receive the image information of article to be measured, image characteristics extraction module (72) is to article to be measured Carry out image procossing and carry out image characteristics extraction;
    (7)Image comparing module (73) is used to the characteristics of image of article to be measured being compared with sample image feature;
    (8)If, the image of article to be measured be compared with sample image consistent, show " PASS ";
    (9), if the image of article to be measured is compared with sample image inconsistent place be present, show " NO ".
  2. 2. a kind of method of work of image measurer for product quality detection according to claim 1, its feature exist In:The lifting support frame (4) includes lifting column (41), cross-brace arm (42) and vertical support arm (43), the laterally branch Brace (42) is slidably arranged in vertical support arm (43), and the vertical support arm (43) is arranged on lifting column (41).
  3. 3. a kind of method of work of image measurer for product quality detection according to claim 1, its feature exist In:The camera head fixing device(5)Including installation pedestal(51), rotational positioning block(52)With magnetic-adsorption fixture(53), institute State rotational positioning block(52)It is rotatable to be fixed on installation pedestal(51)On, magnetic-adsorption fixture(53)Installed in rotational positioning block (52)On, camera(6)It is movably arranged on magnetic-adsorption fixture(53)On.
  4. 4. a kind of method of work of image measurer for product quality detection according to claim 1, its feature exist In:The measurement workbench(2)Centre is provided with the placement plate of transparent material, and the placement plate is surrounded by locating piece.
  5. 5. a kind of image measurer for product quality detection according to claim 4
    Method of work, it is characterised in that:The placement plate includes acrylic substrate, anti-scratch coating and nonpolluting coating, described anti-scratch Coating is arranged on acrylic surface, and nonpolluting coating is arranged on above anti-scratch coating.
  6. 6. a kind of method of work of image measurer for product quality detection according to claim 1, its feature exist In:The base(1)Lower section is provided with removable support castor(8), the removable support castor(8)It is provided with brake block.
  7. 7. a kind of method of work of image measurer for product quality detection according to claim 1, its feature exist In:The base(1)Right side is provided with product placement rack, and qualified products are included on the product placement rack and place layer frame and unqualified Product places layer frame.
CN201710866542.0A 2017-09-22 2017-09-22 A kind of method of work of image measurer for product quality detection Pending CN107677690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710866542.0A CN107677690A (en) 2017-09-22 2017-09-22 A kind of method of work of image measurer for product quality detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710866542.0A CN107677690A (en) 2017-09-22 2017-09-22 A kind of method of work of image measurer for product quality detection

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Publication number Priority date Publication date Assignee Title
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CN112924084A (en) * 2021-02-24 2021-06-08 杭州传化精细化工有限公司 Fluid stress analyzer

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CN205987202U (en) * 2016-08-31 2017-02-22 天津峰景光电科技有限公司 Camera parameter detecting device with adjustable mount
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Publication number Priority date Publication date Assignee Title
CN102879395A (en) * 2011-07-11 2013-01-16 昆山华扬电子有限公司 PCB auxiliary contraposition inspection device
CN203216860U (en) * 2013-04-01 2013-09-25 北京工业大学 Experimental apparatus for infrared thermography nondestructive testing of electronic packaging device
CN205987202U (en) * 2016-08-31 2017-02-22 天津峰景光电科技有限公司 Camera parameter detecting device with adjustable mount
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109001241A (en) * 2018-08-05 2018-12-14 江西省驰芳艺术品评估鉴定有限公司 Multi-angle image-taking device for art work identification
CN112924084A (en) * 2021-02-24 2021-06-08 杭州传化精细化工有限公司 Fluid stress analyzer

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Application publication date: 20180209