CN108120718A - Products detection system based on machine vision - Google Patents
Products detection system based on machine vision Download PDFInfo
- Publication number
- CN108120718A CN108120718A CN201611073829.XA CN201611073829A CN108120718A CN 108120718 A CN108120718 A CN 108120718A CN 201611073829 A CN201611073829 A CN 201611073829A CN 108120718 A CN108120718 A CN 108120718A
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- product
- assembly line
- control unit
- detected
- working plate
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 230000005693 optoelectronics Effects 0.000 claims description 22
- 238000003384 imaging method Methods 0.000 claims description 16
- 230000007547 defect Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000007557 optical granulometry Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Automatic Assembly (AREA)
Abstract
The present invention provides a kind of products detection system based on machine vision.Product to be detected is sent to detection darkroom with working plate, and sensing device senses that triggering industrial control unit (ICU) is detected product to be detected automatically afterwards in place, can detect the product on assembly line, promote the reliability of detection automatically in place.
Description
Technical field
The present invention relates to detection technique field more particularly to a kind of products detection systems based on machine vision.
Background technology
With the development of the social economy, the particularly development of automatic technology so that occur in enterprise's production line
One day 24 it is small when the phenomenon that making of not stopping work it is more universal, more and more assemblings also substitute manually to complete using machine.But it flows
Detection after Product Assembly on waterline is complete is responsible for by special messenger.
In the implementation of the present invention, inventor has found at least to have the following technical problems in the prior art：
Since ceaselessly repeated work is easy to so that staff generates feeling of fatigue, so as to cause to occur missing inspection and
The problem of flase drop.
The content of the invention
Products detection system provided by the invention based on machine vision can detect the product on assembly line, carry automatically
Rise the reliability of detection.
The present invention provides a kind of products detection system based on machine vision, the system comprises：Fuselage with darkroom,
Assembly line, travel switch, optoelectronic switch, stopper, imaging device and industrial control unit (ICU), the fuselage are located at the flowing water
Line, the assembly line are mounted with the working plate of product to be detected for transmitting, and the travel switch is arranged below the darkroom
The assembly line side wall on, for whether in place detecting the working plate, the optoelectronic switch is arranged on the fuselage
On madial wall, whether there is product to be detected on detecting tool plate, the stopper is fixed on by structural member on assembly line,
For stopping that the working plate flow to next station, the imaging after working plate of product to be detected is mounted with described in place
Device is arranged in the darkroom, senses that working plate is in place and the optoelectronic switch detects work for working as the travel switch
Have in loading board and take pictures during product to be detected to the product to be detected, and the photo of take is transferred to the industrial control unit (ICU), institute
It states industrial control unit (ICU) and whether there is defect for the product to be detected according to received photo analysis.
Optionally, the imaging device includes being located at the area array cameras in the darkroom directly over the assembly line, with
And the area array cameras respectively set above the assembly line both sides in the darkroom, the face battle array phase directly over the assembly line
Machine can carry out around, up and down adjustment, the area array cameras above the assembly line both sides can carry out adjustable and angle up and down
It is adjustable.
Optionally, the assembly line includes multiple spaced live-rollers and fixed the multiple spaced biography
The stent of dynamic roller, the live-roller original place are rolled so as to which the working plate disposed thereon be driven to move forward, the stopper
It is stretched out from the gap between two live-rollers in the multiple spaced live-roller.
Optionally, the system also includes gas circuit control unit, the gas circuit control unit is connected with the stopper, institute
Stating gas circuit control unit includes control valve, tracheae, and the industrial control unit (ICU) controls the break-make of the control valve, when the control valve
During closing, the stopper is in blocked state, and when the control valve is opened, the stopper is in release status.
Optionally, it is additionally provided with light source in the darkroom.
Optionally, the system also includes I/O terminal plate, the travel switch, optoelectronic switch connect with the I/O terminal plate
It connects, the I/O terminal plate connects the industrial control unit (ICU), and the area array cameras is connected by interchanger with the industrial control unit (ICU).
Optionally, the detecting system is used to detecting screw on product, and the area array cameras directly over the assembly line is used
In the screw on detection product whether no marking, the area array cameras respectively set above the assembly line both sides is for detecting on product
Whether screw gets to position.
Products detection system provided by the invention based on machine vision, product to be detected are sent to detection secretly with working plate
Room, in place sensing device sense product to be detected in place afterwards triggering industrial control unit (ICU) be detected automatically, can detect automatically
Product on assembly line promotes the reliability of detection.
Description of the drawings
Fig. 1 is the structure diagram of products detection system of the one embodiment of the invention based on machine vision.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Only it is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
The present invention provides a kind of products detection system based on machine vision, as shown in Figure 1, the system comprises：Have
Fuselage 11, assembly line 13, travel switch 16, optoelectronic switch, stopper 17, imaging device and the industrial control unit (ICU) in darkroom 12, institute
It states fuselage 11 and is located at the assembly line 13, the assembly line 13 is mounted with the working plate 14 of product 15 to be detected for transmitting,
The travel switch 16 is arranged on the side wall of the assembly line 13 of 12 lower section of darkroom, for detecting the working plate 14
Whether in place whether, the optoelectronic switch is arranged on the madial wall of the fuselage 11, have on detecting tool plate 14 to be checked
Product 15 is surveyed, the stopper 17 is fixed on by structural member on assembly line 13, for being mounted with product 15 to be detected when described
Working plate 14 stop that the working plate 14 flow to next station afterwards in place, the imaging device is arranged on the darkroom 12
It is interior, for work as the travel switch 16 sense that working plate 14 is in place and the optoelectronic switch detect on working plate 14 have it is to be checked
It takes pictures when surveying product 15 to the product 15 to be detected, and the photo of take is transferred to the industrial control unit (ICU), the industry control
Device processed is used for the product 15 to be detected according to received photo analysis and whether there is defect.
Products detection system provided in an embodiment of the present invention based on machine vision, product 15 to be detected are passed with working plate 14
It sending to detection darkroom, triggering industrial control unit (ICU) is detected automatically after sensing device senses product 15 to be detected in place in place,
The product on assembly line can be detected automatically, promote the reliability of detection.
Optionally, the imaging device includes being located at the area array cameras directly over the assembly line 13 in the darkroom 12
18 and the area array cameras 19 that is respectively set above 13 both sides of assembly line in the darkroom, the assembly line 13 is just
The area array cameras 18 of top can carry out around, up and down adjustment, area array cameras 19 above 13 both sides of assembly line can be into
Row up and down adjustment and angular adjustment, to be compatible with different model, different dimensions product testings.
Optionally, the assembly line 13 includes multiple spaced live-rollers and fixation is the multiple spaced
The stent of live-roller, the live-roller original place are rolled so as to which the working plate 14 disposed thereon be driven to move forward, the resistance
Lug-latch 17 is stretched out from the gap between two live-rollers in the multiple spaced live-roller.
Optionally, the system also includes gas circuit control unit, the gas circuit control unit is connected with the stopper 17,
The gas circuit control unit includes control valve, tracheae, and the industrial control unit (ICU) controls the break-make of the control valve, when the control
When valve is closed, the stopper 17 is in blocked state, and when the control valve is opened, the stopper 17 is in clearance shape
State.
Optionally, light source 20 is additionally provided in the darkroom, mutually provides stable illumination condition to take, illuminate target, improved
Brightness ensures picture steadiness.
Optionally, the system also includes I/O terminal plate, the travel switch 16, optoelectronic switch and the I/O terminal plates
Connection, the I/O terminal plate connect the industrial control unit (ICU), and the area array cameras 18,19 passes through interchanger and the Industry Control
Device connects.
Optionally, whether the screw and production technology that the detecting system is used to detect on product meet production requirement；
Whether whether no marking, technique comply with standard the screw that area array cameras directly over the assembly line is used to detect on product, such as
The rubberizing of fixed cabling, paster whether there is leakage patch, malposition for pasting or pasting etc. more；It is respectively set above the assembly line both sides
Whether the screw that the area array cameras put is used to detect on product gets to position.
Products detection system provided in an embodiment of the present invention based on machine vision, as shown in Figure 1, including fuselage 11, by
Fuselage 11 forms darkroom 12, and fuselage 11 is crossed on assembly line 13, assembly line 13 include multiple spaced live-rollers and
The stent of fixed the multiple spaced live-roller, the live-roller original place roll to drive working plate disposed thereon
14 move forward, and product 15 to be detected is arranged on working plate 14, and product 15 to be detected is moved forward with working plate 14.Stream
Travel switch 16 is provided on the stent of 13 one side of waterline, travel switch 16 includes level for detecting tool plate whether in place
Section and vertical section, vertical section can be rotated around horizontal segment, when working plate 14 arrives with product 15 to be detected, pressing stroke switch
16, when the vertical section of travel switch 16, which is in, bounces state, the internal circuit being connected with travel switch 16 is in closing shape
State, when the vertical section of travel switch 16 is in compacting state, the internal circuit being connected with travel switch 16 is on shape
State, so as to detecting tool plate 14 whether in place.Stopper 17 is stretched out by assembly line top, and production to be detected is mounted with for working as
The working plate 14 of product 15 stops that working plate 14 advances afterwards in place, and stopper 17 is passed from two in multiple spaced live-rollers
Gap between dynamic roller is stretched out.Stopper 17 is connected below live-roller with cylinder (not shown), and the cylinder includes control
Valve processed, when control valve is closed, stopper 17 stretches out, and when control valve is opened, stopper 17 is retracted.Stopper 17 is to stretch when flat
Go out on assembly line, so as to when working plate 14 and product to be detected 15 in place after stop working plate 14 and product to be detected 15
Advance, after product testing to be detected is complete, stopper 17 is retracted, and working plate 14 and product to be detected 15 is made to be transmitted to next work
Position.Optoelectronic switch (not shown) is provided on 11 left side madial wall of fuselage, whether is had on detecting tool plate to be detected
Product, the optoelectronic switch may be alternatively arranged as infrared facility, which sends infrared ray, when working plate 14 and to be detected
Product 15 in place after, stop the infrared ray that sends of optoelectronic switch, the infrared part that optoelectronic switch is sent after being returned by photoelectricity
Switch detects, so as to which for whether having product to be detected on detecting tool plate, the installation position of optoelectronic switch is in the horizontal direction
On should be higher than working plate but less than product to be detected.Imaging device is provided in darkroom, the imaging device is optionally face
Array camera, main two area array cameras 18 for including being located at directly over dark indoor assembly line and in darkroom in flowing water
Two area array cameras 19 respectively set above line both sides.Area array cameras takes pictures to product to be detected, and the photo of take is transferred to
Industrial control unit (ICU), industrial control unit (ICU) are used to whether there is defect according to received photo analysis product to be detected.When to be checked
It gives a warning when surveying product existing defects, defect product to be detected is marked so as to be conveniently operated personnel.The darkroom
Light source 20 is inside additionally provided with, is taken pictures with imaging device cooperation.Industrial control unit (ICU) is placed on the case below 11 right side of fuselage
Internal (not shown) is additionally provided with I/O terminal plate, travel switch 16, optoelectronic switch, imaging device and IO ends in the babinet
Daughter board connects, I/O terminal plate connection industrial control unit (ICU).Industrial control unit (ICU) includes a control mechanism, for controlling and 17 phase of stopper
The break-make of the control valve of the cylinder of connection, so as to control the stretching of stopper 17 and retraction.
The workflow of products detection system provided in an embodiment of the present invention based on machine vision is, when 14 band of working plate
Product 15 to be detected when being transferred on assembly line 13 in darkroom 12, the stop of device 17 is blocked and is held in place.In this process
In, the vertical portion of travel switch 16 is pressed, and so as to which the internal circuit being connected with stopper 17 turns on, instruction working plate 14 arrives
Position, optoelectronic switch detect whether to be blocked the infrared ray of return, when the infrared ray not being returned, illustrate do not have on working plate
There is product to be detected, the internal circuit being connected with optoelectronic switch sends a signal to industrial control unit (ICU), by industrial control unit (ICU) control
Stopper 17 processed is retracted, so that working plate is let pass.When optoelectronic switch detects the infrared ray being returned, with optoelectronic switch phase
The internal circuit of connection sends a signal to industrial control unit (ICU), and product to be detected is clapped by industrial control unit (ICU) control imaging device
According to light source 20 being additionally provided in darkroom 12, for imaging device to be facilitated to take pictures.The photo of take is sent to work by imaging device
Industry controller, the photo received by industrial control unit (ICU) analysis detect product to be detected with the presence or absence of defect, to be checked when analyzing
Survey product it is defective when, then alarm is controlled to alarm, so as to be conveniently operated personnel to the products to be detected of existing defects into
Line flag.After product testing to be detected is complete, industrial control unit (ICU) control stopper 17 is retracted, and puts working plate and product to be detected
Row, is transmitted to next station.Specifically, when whether the screw on detection product to be detected is qualified, first front camera is controlled to take
Phase, carrying out screw has that it's too late nut whether there is damaging judge, has screw that side camera is controlled to take phase again, carries out screw and whether there is to get to
Position judges.It after test, is let pass automatically to certified products, sound-light alarm is carried out for defective work.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all should by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (7)
1. a kind of products detection system based on machine vision, which is characterized in that including：Fuselage, assembly line, row with darkroom
Cheng Kaiguan, optoelectronic switch, stopper, imaging device and industrial control unit (ICU), the fuselage are located at the assembly line, the flowing water
Line is mounted with the working plate of product to be detected for transmitting, and the travel switch is arranged on the assembly line below the darkroom
Side wall on, for whether in place detecting the working plate, the optoelectronic switch is arranged on the madial wall of the fuselage, is used for
Whether to be detected product is had on detecting tool plate, and the stopper is fixed on by structural member on assembly line, for working as the dress
The working plate for being loaded with product to be detected stops that the working plate flow to next station afterwards in place, and the imaging device is arranged on institute
State in darkroom, for work as the travel switch sense that working plate is in place and the optoelectronic switch detect on working plate have it is to be checked
It takes pictures when surveying product to the product to be detected, and the photo of take is transferred to the industrial control unit (ICU), the industrial control unit (ICU)
It whether there is defect for the product to be detected according to received photo analysis.
2. the products detection system according to claim 1 based on machine vision, which is characterized in that the imaging device bag
Include area array cameras in the darkroom directly over the assembly line and in the darkroom in the assembly line two
The area array cameras respectively set above side, the area array cameras directly over the assembly line can carry out around, up and down adjustment, institute
Up and down adjustment and angular adjustment can be carried out by stating the area array cameras above assembly line both sides.
3. the products detection system according to claim 2 based on machine vision, which is characterized in that the assembly line includes
The stent of multiple spaced live-rollers and fixed the multiple spaced live-roller, the live-roller original place roll
So as to which the working plate disposed thereon be driven to move forward, the stopper is from the multiple spaced live-roller
Gap between two live-rollers is stretched out.
4. the products detection system according to claim 3 based on machine vision, which is characterized in that the system also includes
Gas circuit control unit, the gas circuit control unit are connected with the stopper, and the gas circuit control unit includes control valve, gas
Pipe, the industrial control unit (ICU) controls the break-make of the control valve, and when the control valve is closed, the stopper, which is in, stops shape
State, when the control valve is opened, the stopper is in release status.
5. the products detection system according to claim 4 based on machine vision, which is characterized in that also set in the darkroom
It is equipped with light source.
6. the products detection system according to claim 5 based on machine vision, which is characterized in that the system also includes
I/O terminal plate, the travel switch, optoelectronic switch are connected with the I/O terminal plate, the I/O terminal plate connection industry control
Device processed, the area array cameras are connected by interchanger with the industrial control unit (ICU).
7. the products detection system according to claim 6 based on machine vision, which is characterized in that the detecting system is used
Whether meet production requirement in the screw on detection product and production technology；Area array cameras directly over the assembly line is used for
Whether whether no marking, technique comply with standard screw on detection product；The area array cameras respectively set above the assembly line both sides
For detecting whether the screw on product gets to position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073829.XA CN108120718B (en) | 2016-11-29 | 2016-11-29 | Product detection system based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073829.XA CN108120718B (en) | 2016-11-29 | 2016-11-29 | Product detection system based on machine vision |
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| Publication Number | Publication Date |
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| CN108120718A true CN108120718A (en) | 2018-06-05 |
| CN108120718B CN108120718B (en) | 2024-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611073829.XA Active CN108120718B (en) | 2016-11-29 | 2016-11-29 | Product detection system based on machine vision |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109269769A (en) * | 2018-10-26 | 2019-01-25 | 惠州市新泓威科技有限公司 | Automatic visual detection device and detection method for electronic cigarette atomizer |
| CN110182542A (en) * | 2019-05-22 | 2019-08-30 | 浙江展邦电子科技有限公司 | A kind of concrete-cored printed circuit board vacuum of Multi-layer Al-based closes the detection device of formula |
| CN110290257A (en) * | 2019-07-09 | 2019-09-27 | 北京邮电大学 | Cell phone rear cover vision-based detection production line |
| CN112254818A (en) * | 2020-10-10 | 2021-01-22 | 南昌华勤电子科技有限公司 | Temperature rise test system |
| CN112730458A (en) * | 2021-01-27 | 2021-04-30 | 厦门怡视科技有限公司 | Automatic television backboard appearance detection device and detection method |
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| CN110182542A (en) * | 2019-05-22 | 2019-08-30 | 浙江展邦电子科技有限公司 | A kind of concrete-cored printed circuit board vacuum of Multi-layer Al-based closes the detection device of formula |
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| CN110290257A (en) * | 2019-07-09 | 2019-09-27 | 北京邮电大学 | Cell phone rear cover vision-based detection production line |
| CN112254818A (en) * | 2020-10-10 | 2021-01-22 | 南昌华勤电子科技有限公司 | Temperature rise test system |
| CN112730458A (en) * | 2021-01-27 | 2021-04-30 | 厦门怡视科技有限公司 | Automatic television backboard appearance detection device and detection method |
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| Publication number | Publication date |
|---|---|
| CN108120718B (en) | 2024-08-16 |
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