CN104815804B - Tank body tank switching detection means and detection method - Google Patents
Tank body tank switching detection means and detection method Download PDFInfo
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- CN104815804B CN104815804B CN201510234791.9A CN201510234791A CN104815804B CN 104815804 B CN104815804 B CN 104815804B CN 201510234791 A CN201510234791 A CN 201510234791A CN 104815804 B CN104815804 B CN 104815804B
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Abstract
The invention discloses a kind of tank body tank switching detection means and detection method, its detection means includes image capture module, described image acquisition module includes camera, speculum and light source, the speculum includes ring shaped mirror and cone-shaped mirror, and the inner ring surface of the ring shaped mirror and the conical surface of cone-shaped mirror are optical mirror plane；The light source is annular shadow-free light source, and the inside in the annular shadow-free light source is taper illuminating part, and the heavy caliber end of the taper illuminating part is down；The camera, cone-shaped mirror, ring shaped mirror and annular shadow-free light source are arranged in order from top to bottom, and the camera, cone-shaped mirror, ring shaped mirror and the axis collinear in annular shadow-free light source；Spacing between the cone-shaped mirror and ring shaped mirror is adjustable.The tank switching detection means of the present invention, gathering the mode of image has the characteristics of anti-extraneous light interference performance is strong, and detection range is larger, and versatility is preferable, can be with effectively save equipment cost for needing to detect the enterprise of multi-purpose model tank body.
Description
Technical field
The present invention relates to detection field, and in particular to a kind of tank body tank switching detection means and detection method.
Background technology
In tank body production line balance, it may be overturned because of some reason tank bodies, if without finding in time
Client is passed to either at consumer, very big influence can be produced to the image and prestige of enterprise, while cause very big
Economic loss.But most detection method is all to use artificial naked-eye observation at present, if it find that having tank switching appearance, also
Need manually to take out tank switching, certain tank switching occurrence rate can be reduced by this mode, but people's all spiritednesses are not concentrated
Or other odjective causes very accurately can not weed out all tank switchings, and the expense of artificial detection is very
High.If one kind can automatic removing device, can solve the problem of the above, both improve production efficiency, it also avoid mistake
Generation, reduces economic loss by mistake to greatest extent.
Existing detection technique is the special inspecting equipment of the tank design for specific tank body or specific direction mostly,
Such as Application No. " 201020301309.1 ", patent name are " a kind of iron flask conveying device with reverse tank testing agency "
Chinese utility model patent, Application No. " 201020301588.1 ", patent name for " it is a kind of detected by bar code it is reverse
The Chinese utility model patent of the equipment of tank ", Application No. " 201320026771.9 ", patent name are " reverse tank is certainly dynamic
Answer device for eliminating " Chinese utility model patent.Requirement of the above-mentioned technology to hardware is very high, and versatility is poor,
Cost is higher.
The content of the invention
The technical problem to be solved in the present invention is that to solve tank switching detection means in the prior art higher to hardware requirement, general
The defects of poor and cost of property is higher.
In order to solve the above-mentioned technical problem, technical scheme provided by the invention is as follows：A kind of tank body tank switching detection means, bag
Include image capture module, described image acquisition module includes camera, speculum and light source, the speculum include ring shaped mirror and
Cone-shaped mirror, the inner ring surface of the ring shaped mirror and the conical surface of cone-shaped mirror are optical mirror plane；The light source is annular shadow-free light
Source, the inside in the annular shadow-free light source is taper illuminating part, and the heavy caliber end of the taper illuminating part is down；The camera, taper
Mirror, ring shaped mirror and annular shadow-free light source are arranged in order from top to bottom, and the camera, cone-shaped mirror, ring shaped mirror and ring
The axis collinear in shape shadow-free light source；Spacing between the cone-shaped mirror and ring shaped mirror is adjustable.
Further, light-passing board, the cone-shaped mirror fixed setting are additionally provided between the cone-shaped mirror and ring shaped mirror
In on the light-passing board, the image in the ring shaped mirror may pass through the light-passing board and be reflected on the minute surface of cone-shaped mirror.
Further, the light-passing board is acrylic board.
Further, in addition to host computer, slave computer, power module, transmission belt and rejecting module, the power module divide
Do not electrically connected respectively with host computer, rejecting module, image capture module with host computer and the next mechatronics, the slave computer,
Described image acquisition module also with upper mechatronics.
Further, described image acquisition module also includes sensor one, and the sensor one is used to feel in transmission belt
Answer light source location directly below, the sensor one and the next mechatronics.
Further, the downstream position for rejecting module located at sensor one in transmission belt, the rejecting module include
Sensor two, air nozzle and magnetic valve, the sensor two and the next mechatronics, the magnetic valve by air valve controller with
The next mechatronics, the magnetic valve is on the pipeline that air nozzle is connected with air compressor machine.
Further, in addition to support frame and framework, described image acquisition module, power module and slave computer are located at frame
In vivo, support frame as described above is vertically arranged, and the framework can move up and down on support frame.
Further, slide is additionally provided with the framework, pilot hole is provided with the slide, the slide passes through guiding
Borehole jack is on support frame and can be slided in support frame；Also include the leading screw that is vertically arranged, be provided with the slide with it is described
The screwed hole that leading screw matches, the slide are rotatably connected on leading screw by the screwed hole.
Further, the top of the leading screw is provided with the handle for driving leading screw to rotate.
A kind of tank body tank switching detection method, comprises the following steps：
(1) start tank body tank switching detection means, and start tank body tank switching detecting system；
(2) according to the bore and height of sample, cone-shaped mirror and ring shaped mirror spacing, the height of framework are adjusted,
And the parameter of camera is configured；
(3) when sensor one senses that sample is located at the underface of light source, information transfer that sensor one will sense
To slave computer, taken pictures by slave computer control camera, camera takes pictures obtained data transfer to host computer, if any image information, then
Image is analyzed and processed；Such as without image information, then camera is configured；
(4) it is above-mentioned to be to image analysis processing method：It is circle to be obtained using image capture module by tank body pattern Mapping
Picture after, to picture carry out ring-type intercept operation, the can body pattern-information for including characteristic information is obtained, afterwards by ring-type figure
As being mapped to cartesian coordinate system from polar coordinate system, reach the purpose that the characteristic information of distortion is reduced to rectangle；Afterwards, to place
Image after reason does rim detection, obtains black and white edge contour image, on this basis, feature information extraction is gone out, Ke Yicheng
Work(detects characteristic information；Because characteristic information is only distributed in the first half or the lower half of tank body, when fixed extraction half portion
After picture, it can determine that this tank body is that just to release be to put upside down using the presence or absence of characteristic information；
(5) host computer sends the data with the presence or absence of characteristic information to slave computer, if there is characteristic information, magnetic valve is not
Open, air nozzle not jet；If without characteristic information, magnetic valve is opened, air nozzle jet, by the tank body not comprising characteristic information
Blow out transmission belt.
The tank switching detection means of the present invention, when sample is located at the underface of light source, sample is illuminated in annular shadow-free light source
Periphery, the information on sample circumference face are reflexed on the minute surface of ring shaped mirror, and the information on the ring shaped mirror minute surface is further
Through light-passing board, reflexing on the minute surface of cone-shaped mirror, the information on the cone-shaped mirror minute surface is reflected again, and in vertical
Direction enters the camera lens of camera and imaging.There is the characteristics of anti-extraneous light interference performance is strong using the method collection image, lead to
The height of the spacing and framework between ring shaped mirror and cone-shaped mirror is overregulated, the tank body tank switching detection means is detected not
The tank body of same bore, different height.The detection range of the tank body tank switching detection means is larger, and versatility is preferable, for needing to examine
Survey for the enterprise of multi-purpose model tank body, can be with effectively save equipment cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment tank body tank switching detection means；
Fig. 2 is the light path imaging schematic diagram of image capture module in the present embodiment tank body tank switching detection means；
Fig. 3 is the connection signal block diagram between each module in the present embodiment tank body tank switching detection means；
Fig. 4 is the workflow schematic diagram of the present embodiment tank body tank switching detection means.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this hair
It is bright, it is not intended to limit the present invention.
In the description of the invention, it is to be understood that the instruction such as term " on ", " under ", "front", "rear", " interior ", " outer "
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplification retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, are integrally connected or detachably connected
Connect；It can be the connection of two element internals；Can be joined directly together, can also be indirectly connected by intermediary, for this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in figure 1, a kind of tank body tank switching detection means of the present embodiment, including host computer, slave computer 80, support frame
42nd, framework 30, image capture module 20, power module 81, transmission belt 50 and rejecting module.Wherein slave computer 80, IMAQ
Module 20 and power module 81 are in framework 30, and support frame 42 is vertically arranged, and framework 30 can be upper and lower on support frame 42
It is mobile.Specifically, being additionally provided with slide 40 in framework 30, pilot hole is provided with the slide 40, and the slide 40 is by leading
It can be slided to borehole jack on support frame 42 and in support frame 42.The leading screw 41 being vertically arranged is additionally provided with by support frame 42,
The screwed hole to match with leading screw 41 is provided with slide 40, above-mentioned slide 40 is rotatably connected on leading screw 41 by the screwed hole.It is logical
The over-driving device driving rotation of leading screw 41 can control framework 30 to move up and down, and above-mentioned leading screw 41 can be driven by motor,
The manual actuation of handle 43 located at leading screw top can be passed through.It should be noted that the lifting of framework 30 is not limited to this reality
Apply the mode that leading screw drives in example.
As the most important improvement of the present embodiment, image capture module 20 includes camera 24, speculum and light source 21, and its is anti-
Penetrating mirror includes ring shaped mirror 22 and cone-shaped mirror 23, and the inner ring surface of the ring shaped mirror 22 and the conical surface of cone-shaped mirror 23 are optics
Minute surface.Above-mentioned light source 21 is annular shadow-free light source, and the inside in the annular shadow-free light source is taper illuminating part, and the taper lights
The heavy caliber end in portion is down.Further, above-mentioned camera 24, cone-shaped mirror 23, ring shaped mirror 22 and annular shadow-free light are derived from upper
It is arranged in order under and, and camera, cone-shaped mirror, ring shaped mirror and the axis collinear in annular shadow-free light source.In addition, in the present embodiment
Spacing between cone-shaped mirror 23 and ring shaped mirror 22 is adjustable, and as the mode of regulation spacing, and the innovative point of non-invention is adopted
The adjustable embodiment of spacing between two mirrors can be arbitrarily realized with prior art, therefore is not done in the present embodiment
Repeat.
Further, because above-mentioned image capture module 20 is arranged in framework 30, therefore in cone-shaped mirror 23 and annular mirror
Support light-passing board 25 is also provided between son 22, above-mentioned cone-shaped mirror 23 is fixedly installed on light-passing board 25, ring shaped mirror 22
In image then may pass through light-passing board 25 and be reflected on the minute surface of cone-shaped mirror 23.Preferably, above-mentioned light-passing board uses acrylic
Plate.Acrylic is by English Acrylic transliteration, the common name of Acrylic acrylic compounds and methacrylic chemicals.Ya Ke
Power (ACRYLIC), popular name specially treated lucite, there is the characteristics of translucency is good, anti-impact force is strong, the printing opacity of acrylic board
Up to more than 92%, required intensity of light is smaller, saves electric energy.Ring shaped mirror 22 and annular shadow-free light source then pass through dividing plate 31
Be installed in framework 30, ring shaped mirror 22 be located at dividing plate 31 top, annular shadow-free light source be located at dividing plate 31 bottom, its every
The circular hole adaptable with ring shaped mirror 22, annular shadow-free light source is additionally provided with plate 31.
As shown in Fig. 2 when sample 10 is located at the underface of light source 21, the circumference of sample 10 is illuminated in annular shadow-free light source
Face, the information on the periphery of sample 10 are reflexed on the minute surface of ring shaped mirror 22, and the information on the minute surface of ring shaped mirror 22 enters one
Walking through acrylic board, reflex on the minute surface of cone-shaped mirror 23, the information on the minute surface of cone-shaped mirror 23 is reflected again,
And enter camera lens and the imaging of camera in vertical direction.Have anti-extraneous light interference performance strong using the method collection image
Feature, by adjusting the height of spacing and framework 30 between ring shaped mirror 22 and cone-shaped mirror 23, detect the tank body tank switching
Device can detect the tank body of different bores, different height.The detection range of the tank body tank switching detection means is larger, versatility compared with
It is good, can be with effectively save equipment cost for needing to detect the enterprise of multi-purpose model tank body.
Further, as shown in figure 1, the image capture module 20 of the present embodiment also includes sensor 1, the sensor
One 60 are used in the transmission belt sense light source location directly below, when sample 10 marched in transmission belt 50 light source just under
Fang Shi, sensor 1 are triggered and send signal.
Further, the rejecting module of the present embodiment is located at the downstream position of sensor 1 in transmission belt 50, the rejecting
Module includes sensor 2 61, air nozzle 70 and magnetic valve 71, and the magnetic valve 71 is located at the pipe that air nozzle 70 is connected with air compressor machine
Lu Shang.
Host computer in the present embodiment is preferably equipped with Windows systems and serial communication interface and PCI-Express is housed
The computer computer of cable interface, the dysnusia detecting system based on machine vision is housed in above computer.
The circuit board of slave computer 80 is built on the basis of STM32 family chips in the present embodiment, and it connects provided with power supply
Mouth, camera triggering interface, sensor signal interface, Air Valve Control signaling interface and serial communication interface.Under as shown in figure 3,
Each interface of position machine 80 passes through power line and data wire etc. and Switching Power Supply, light source adapter 82, camera 24, magnetic valve respectively
71st, sensor 1 and sensor 2 61 are connected.The power module 81 of the present embodiment includes external power supply and Switching Power Supply, outside
It is 220V to connect power supply, is connected respectively with host computer and Switching Power Supply, and the output voltage of Switching Power Supply is 24V, and is connected with slave computer
It is logical.Further, also respectively with slave computer and camera by electrically connecting, the data of camera can be transmitted to host computer host computer,
The order of host computer can be transmitted to slave computer.
The workflow of the present embodiment tank body tank switching detection means is as shown in figure 4, comprise the following steps：
(1) start tank body tank switching detection means, and start tank body tank switching detecting system；
(2) according to the bore and height of sample, cone-shaped mirror and ring shaped mirror spacing, the height of framework are adjusted,
And the parameter of camera is configured；
(3) when sensor one senses that sample is located at the underface of light source, information transfer that sensor one will sense
To slave computer, taken pictures by slave computer control camera, camera takes pictures obtained data transfer to host computer, if any image information, then
Image is analyzed and processed；Such as without image information, then camera is configured；
(4) it is above-mentioned to be to image analysis processing method：It is circle to be obtained using image capture module by tank body pattern Mapping
Picture after, to picture carry out ring-type intercept operation, the can body pattern-information for including characteristic information is obtained, afterwards by ring-type figure
As being mapped to cartesian coordinate system from polar coordinate system, reach the purpose that the characteristic information of distortion is reduced to rectangle；Afterwards, to place
Image after reason does rim detection, more clearly black and white edge contour image is obtained, on this basis, by feature information extraction
Go out, characteristic information can be successfully be detected；Because characteristic information is only distributed in the first half or the lower half of tank body, when fixation carries
After taking certain half portion picture, it can determine that this tank body is that just to release be to put upside down using the presence or absence of characteristic information；
(5) host computer sends the data with the presence or absence of characteristic information to slave computer, if there is characteristic information, magnetic valve is not
Open, air nozzle not jet；If without characteristic information, magnetic valve is opened, air nozzle jet, by the tank body not comprising characteristic information
(i.e. reverse tank body) blowout transmission belt.
In a word, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in the present invention
Spirit and principle within all any modification, equivalent and improvement made etc., should be included in protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of tank body tank switching detection means, including image capture module, it is characterised in that described image acquisition module includes phase
Machine, speculum and light source, the speculum include ring shaped mirror and cone-shaped mirror, the inner ring surface and conical mirror of the ring shaped mirror
The conical surface of son is optical mirror plane；The light source is annular shadow-free light source, and the inside in the annular shadow-free light source is taper illuminating part, should
The heavy caliber end of taper illuminating part is down；The camera, cone-shaped mirror, ring shaped mirror and annular shadow-free light source are from top to bottom successively
Arrangement, and the camera, cone-shaped mirror, ring shaped mirror and the axis collinear in annular shadow-free light source；The cone-shaped mirror and annular
Spacing between mirror is adjustable；Light-passing board is additionally provided between the cone-shaped mirror and ring shaped mirror, the cone-shaped mirror is fixed and set
It is placed on the light-passing board, the image in the ring shaped mirror may pass through the light-passing board and be reflected on the minute surface of cone-shaped mirror.
2. according to the tank body tank switching detection means described in claim 1, it is characterised in that the light-passing board is acrylic board.
3. according to the tank body tank switching detection means described in claim 1 or 2, it is characterised in that also including host computer, slave computer,
Power module, transmission belt and rejecting module, the power module divide with host computer and the next mechatronics, the slave computer respectively
Not with host computer, reject module, image capture module and electrically connect, described image acquisition module also with upper mechatronics.
4. according to the tank body tank switching detection means described in claim 3, it is characterised in that described image acquisition module also includes passing
Sensor one, the sensor one are used to sense light source location directly below in transmission belt, and the sensor one is electromechanical with bottom
Connection.
5. according to the tank body tank switching detection means described in claim 3, it is characterised in that the rejecting module is in transmission belt
The downstream position of sensor one, the rejecting module include sensor two, air nozzle and magnetic valve, the sensor two and bottom
Mechatronics, the magnetic valve are located at air nozzle and air compressor machine by air valve controller and the next mechatronics, the magnetic valve
On the pipeline of connection.
6. according to the tank body tank switching detection means described in claim 4 or 5, it is characterised in that also including support frame and framework, institute
Image capture module, power module and slave computer are stated in framework, support frame as described above is vertically arranged, and the framework is supporting
It can be moved up and down on frame.
7. according to the tank body tank switching detection means described in claim 6, it is characterised in that slide is additionally provided with the framework,
Pilot hole is provided with the slide, the slide is sheathed on support frame by pilot hole and can slided in support frame；Also include
The leading screw being vertically arranged, the screwed hole to match with the leading screw is provided with the slide, the slide passes through the screwed hole
It is rotatably connected on leading screw.
8. according to the tank body tank switching detection means described in claim 7, it is characterised in that the top of the leading screw, which is provided with, to be used for
Drive the handle of leading screw rotation.
9. a kind of tank body tank switching detection method, it is characterised in that the tank body tank switching detection means described in usage right requirement 8, institute
Tank body tank switching detection method is stated to comprise the following steps：
(1) start tank body tank switching detection means, and start tank body tank switching detecting system；
(2) according to the bore and height of sample, cone-shaped mirror and ring shaped mirror spacing, the height of framework are adjusted, and it is right
The parameter of camera is configured；
(3) when sensor one senses that sample is located at the underface of light source, sensor one is by the information transfer sensed under
Position machine, taken pictures by slave computer control camera, the data transfer that camera takes pictures to obtain is to host computer, if any image information, then to figure
As being analyzed and processed；Such as without image information, then camera is configured；
(4) it is above-mentioned to be to image analysis processing method：It is circular figure to be obtained using image capture module by tank body pattern Mapping
After piece, to picture carry out ring-type intercept operation, obtain the can body pattern-information for including characteristic information, afterwards by ring-type image from
Polar coordinate system is mapped to cartesian coordinate system, reaches the purpose that the characteristic information of distortion is reduced to rectangle；Afterwards, after to processing
Image do rim detection, obtain black and white edge contour image, on this basis, feature information extraction gone out, can successfully examine
Measure characteristic information；Because characteristic information is only distributed in the first half or the lower half of tank body, when fixed extraction half portion picture
Afterwards, it can determine that this tank body is that just to release be to put upside down using the presence or absence of characteristic information；
(5) host computer sends the data with the presence or absence of characteristic information to slave computer, if there is characteristic information, magnetic valve is not opened
Open, air nozzle not jet；If without characteristic information, magnetic valve is opened, air nozzle jet, the tank body not comprising characteristic information blown
Go out transmission belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510234791.9A CN104815804B (en) | 2015-05-11 | 2015-05-11 | Tank body tank switching detection means and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510234791.9A CN104815804B (en) | 2015-05-11 | 2015-05-11 | Tank body tank switching detection means and detection method |
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| CN113019973B (en) * | 2018-07-17 | 2022-10-21 | 山东山科数字经济研究院有限公司 | Online visual inspection method for manufacturing defects of ring-pull cans |
| CN109261529A (en) * | 2018-09-26 | 2019-01-25 | 深圳市朗耀电子商务有限公司 | It is a kind of bilayer halved belt sorter and its empty wagons detection method and apparatus |
| CN109433649A (en) * | 2018-12-24 | 2019-03-08 | 安徽省巢湖铸造厂有限责任公司 | The sensing device of sorting machine |
| CN112884769B (en) * | 2021-04-12 | 2021-09-28 | 深圳中科飞测科技股份有限公司 | Image processing method, image processing apparatus, optical system, and computer-readable storage medium |
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| CN204638580U (en) * | 2015-05-11 | 2015-09-16 | 杭州利珀科技有限公司 | Tank body tank switching checkout gear |
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| JPS6212845A (en) * | 1985-07-10 | 1987-01-21 | Kirin Brewery Co Ltd | Detecting device for defect on screwed port part of bottle |
| JPS6421342A (en) * | 1987-07-16 | 1989-01-24 | Nec Corp | Bottle inspector |
| JP5283256B2 (en) * | 2008-05-09 | 2013-09-04 | 日工株式会社 | Method and apparatus for sorting empty cans / waste plastic bottles |
| CN202649134U (en) * | 2012-06-08 | 2013-01-02 | 北京大恒图像视觉有限公司 | Bottle cap quality detection device |
| CN204142649U (en) * | 2014-09-15 | 2015-02-04 | 苏州正方格自动化技术有限公司 | A kind of online vision inspection apparatus of container breach |
| CN105181709A (en) * | 2015-10-14 | 2015-12-23 | 中国计量学院 | Combined multiple-light-source on-line detection device and method for appearance defects of brake pad |
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| CN204638580U (en) * | 2015-05-11 | 2015-09-16 | 杭州利珀科技有限公司 | Tank body tank switching checkout gear |
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Denomination of invention: Tank body pouring detection device and detection method Effective date of registration: 20230802 Granted publication date: 20180116 Pledgee: Hangzhou branch of Bank of Nanjing Co.,Ltd. Pledgor: HANGZHOU LIPO SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2023330001604 |