CN103562710B - Illuminator, check system and control system - Google Patents
Illuminator, check system and control system Download PDFInfo
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- CN103562710B CN103562710B CN201280026172.5A CN201280026172A CN103562710B CN 103562710 B CN103562710 B CN 103562710B CN 201280026172 A CN201280026172 A CN 201280026172A CN 103562710 B CN103562710 B CN 103562710B
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- illumination
- checked property
- pipe
- mark
- illuminator
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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
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/909—Investigating the presence of flaws or contamination in a container or its contents in opaque containers or opaque container parts, e.g. cans, tins, caps, labels
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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
- G01N21/8806—Specially adapted optical and illumination features
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- 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
Abstract
A kind of illuminator, described illuminator is used for check system, described check system has described mark to printing in markd checked property, around described mark, glossiness first surface is taken, based on the design attitude of checked property described in the image inspection taken.This illuminator has: illumination, and described illumination is configured in the rear side of the described first surface of described checked property, the lower end of the upper end with the top being positioned at described checked property and the below that is positioned at described mark, and described illumination is irradiated light; And reflecting member, described reflecting member configures in the described first surface side of described checked property, above described checked property, described reflecting member tilts relative to the direction of illumination of the light of described illumination, make described reflecting member relative with the first surface of described checked property, the light from described illumination reflects by described reflecting member.Described illumination by the back side of light direct irradiation in first surface described in described checked property, and passes through described reflecting member, by the described first surface of light indirect irradiation in described checked property.
Description
Technical field
The present invention relates to a kind of illuminator, check system and control system.
The application at the Patent 2011-120962 CLAIM OF PRIORITY of Japanese publication, quotes its content at this based on May 30th, 2011.
Background technology
Figure 13 is the skeleton diagram of the appearance that the filling machine P0 carrying out the operation be filled in by filling material in the pipe such as plastic tube, laminated tube is shown.
Usually, the filling machine P0 carrying out the operation be filled in by filling material in pipe is arranged in clean room R.Further, in order to not allow dust, dust enter in pipe, this filling machine P0 is that the cover of the protection of parent covers in order to metal.The part that polycarbonate etc. is transparent is had in the cover of this protection.Therefore, operating personnel W can by coming from the light of the illumination L0 be arranged in clean room R by the pipe in eye observation confirmation filling machine P0.
In this operation, filling material is filled in pipe, by by tube opening end heat fusing and pressure welding and after carrying out heat seal, check the position of pipe design.
In the past, the inspection of the position of this pipe design was carried out with eye observation by operating personnel.But, in order to check whole pipes, needing to carry out this inspection on the production line of production process, needing a lot of staff, and take time and energy very much.
Therefore expect, pipe is taken, detect by carrying out image procossing to the check image photographed the position that pipe designs.The technology checked by the outward appearance of image procossing to checked property is recorded in patent documentation 1 and 2.Again, record checked property examination light in patent documentation 3, the change based on its reflected light checks the technology on the surface of checked property.
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent Publication 6-1249 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2007-161257 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2005-291771 publication
Summary of the invention
The problem that invention will solve
But because filling machine is covered by metal cap, the pipe design can seen with eyes in filling machine although the light levels therefore in filling machine is behaved, will take the suitable check image for image procossing, light quantity is also insufficient.Therefore expect, illumination is set in filling machine, pipe direct irradiation light is taken.But, when tube-surface exists gloss, produce halation with regard to existing at tube-surface, the problem of stable check image cannot be obtained.
The present invention in view of above-mentioned some make; its object is to; a kind of illuminator, check system and control system are provided; it can prevent dust, dust is mixed in pipe; even and surperficial glossiness pipe, also can take the image of the position can designed by image procossing detector tube.
For solving the means of problem
The present invention makes to solve above-mentioned problem.The illuminator that a state of the present invention relates to is used in check system, described check system has described mark and glossiness first surface is taken around described mark in the markd checked property of printing, based on the design attitude of checked property described in taken image inspection, this illuminator has: the illumination of irradiating light, described illumination is configured in the rear side of the described first surface of described checked property, the lower end of the upper end with the top being positioned at described checked property and the below that is positioned at described mark; And reflecting member, described reflecting member is configured in the described first surface side of described checked property, and be configured in the top of described checked property, described reflecting member tilts relative to the direction of illumination of the light of described illumination, make described reflecting member relative with the first surface of described checked property, light from described illumination reflects by described reflecting member, described illumination is by the back side of light direct irradiation in first surface described in described checked property, and by described reflecting member, by the described first surface of light indirect irradiation in described checked property.
Said lighting system also has image pickup part, described image pickup part is configured in the side contrary with described illumination relative to described reflecting member, by taking the first surface of described checked property, at least comprised the image at the two ends, left and right of described mark and described checked property.
In said lighting system, the material of the reflecting surface of described reflecting member can be teflon.
The check system that a state of the present invention relates to is used in said lighting system, detects the design attitude of described checked property.This check system has: image pickup part, and described image pickup part is taken first surface described in described checked property; Determination portion, described determination portion, in the image photographed by described image pickup part, determines the scope that should have described mark; And test section, described test section, based on the presence or absence of the described mark in the scope determined by described determination portion, detects the design attitude of described checked property.
The control system that a state of the present invention relates to uses above-mentioned check system, is that certified products or unacceptable product judge to the checked property through production line.This control system based on the testing result of described test section, judge through each checked property of described production line be certified products or unacceptable product.
Invention effect
According to the present invention, by the back side illuminaton checked property of illumination from the first surface printing mark, with reflecting member, the light irradiated by illumination is reflexed to the first surface of checked property.Therefore, even if in the glossiness situation in checked property surface, the generation of halation also can be prevented, clearly takes the mark of checked property.Thus, one side can cover filling machine, prevents dust and dust to be mixed in checked property, even if one side is for the glossiness checked property in surface, and also can to detecting that the image of design attitude is taken by image procossing.
Accompanying drawing explanation
Fig. 1 is the figure be described for the definition of the term to an example of the present invention.
Fig. 2 is the figure of the measurement result of the glossiness that checked property is shown.
Fig. 3 is the skeleton diagram of an example of the filling machine that the control system having imported this example is shown.
Fig. 4 is the skeleton diagram of the Control system architecture that this example is shown.
Fig. 5 is the block diagram of the functional structure of the check system that this example is shown.
Fig. 6 is the skeleton diagram of the setting position of the illuminator that this example is shown.
Fig. 7 is the figure that the image utilizing the illuminator of this example to photograph is shown.
Fig. 8 A is the whether qualified key diagram judging to process of the image processing apparatus of this example.
Fig. 8 B is the whether qualified key diagram judging to process of the image processing apparatus of this example.
Fig. 8 C is the whether qualified key diagram judging to process of the image processing apparatus of this example.
Fig. 8 D is the whether qualified key diagram judging to process of the image processing apparatus of this example.
Fig. 9 is the whether qualified process flow diagram judging the step processed that this example is shown.
Figure 10 A is the figure of the video camera shooting results of the illuminator that this example is shown.
Figure 10 B is the figure of the video camera shooting results of the illuminator that this example is shown.
Figure 10 C is the figure of the video camera shooting results of the illuminator that this example is shown.
Figure 11 is the figure of the experimental result of the check system that this example is shown.
Figure 12 is the chart of the illumination change of the pipe position that this example is shown.
Figure 13 is the skeleton diagram that the appearance of carrying out filling machine filling material being filled in the operation in pipe is shown.
Embodiment
Below, be described in detail about example of the present invention with reference to accompanying drawing.
First, with reference to Fig. 1, term is below carried out as given a definition.
The checked property of this example is the pipe such as plastic tube, laminated tube T, and the printing surface of the surrounding of mark I is glossy.Gloss in this example refers to, when the light from light source is reflected by reflecting object, the mirror image of light source is in the surperficial characteristic mirrored of this reflecting object.Such as, when light direct irradiation is in the glossiness article such as aluminium, stainless steel, will at the mirror image of its surface mapping light source.Except judging with eyes, gloss can judge by measuring glossiness.Glossiness refers to, the numerical value irradiating the result after the light normal reflection on reflecting object surface is shown.Glossiness article in this example refer to, under the measuring condition of regulation, the glossiness that measuring equipment is measured (be more than 100 in this example (100 or more than 100(reference value) more than certain value)) article.The glossiness of the glossiness article in this example is preferably less than 1000.Therefore, the glossiness marking the gloss on the printing surface around I is preferably less than more than 100 1000.Glossiness is quoted from JIS Z8741-1997, is to measure using the glossmeter of Horida, Ltd. (JP) 2 Miyanohigashi-machi, Kissyoin, Minami-ku, Kyoto. Japan (IG-320) as measuring equipment.The measuring method of glossiness is described.First, only cut measuring surface from columnar laminated tube, this measuring surface is flattened smooth.Then, measure in the glossiness of glossmeter to the surface of measuring surface.The measuring condition of glossiness is described.The glossiness of laminated tube is using the glossiness of the glass pane surface of refractive index 1.567 as benchmark (100), carries out measuring with incident angle 60 degree, reflection angle 60 degree.The specular reflectance of glass plate is in this case 10%.Therefore, the glossiness when specular reflectance is 100% is 1000.
Fig. 2 shows and is judged as the measuring object thing of lackluster (appearance gloss [nothing]) with eye observation and is judged as the measurement result of glossiness of measuring object thing of glossy (appearance gloss [having]) with eye observation.Measuring object thing " Bai Laili whitening toothpaste (pure and fresh mint flavored) (Brilliant More fresh spearmint) ", " Dent health (Dent Health) periodontal nursing gel toothpaste (without rubbing agent) ", " Dent health (Dent Health) SP ", " the anti-shouting pain toothpaste (registered trade mark) of Dent health (Dent Health) ", " Haitai gram (High Tect) (registered trade mark) ", " Haitai gram (gentleness) (High Tect Mild) (registered trade mark) " and " Allergy-free toothpaste (Systema sensitive) " are laminated tubes.As shown in Figure 2, appearance gloss is the glossiness of " Bai Laili whitening toothpaste (pure and fresh mint flavored) (the Brilliant More fresh spearmint) ", " Dent health (Dent Health) periodontal nursing gel toothpaste (without rubbing agent) ", " Dent health (Dent Health) SP " and " the anti-shouting pain toothpaste (registered trade mark) of Dent health (Dent Health) " of " having " is " more than 100 ".On the other hand, appearance gloss is that " Haitai gram (High Tect) (registered trade mark) ", " Haitai gram (gentleness) (High Tect Mild) (registered trade mark) " of "None" and the glossiness of " Allergy-free toothpaste (Systema sensitive) " are less than 100.
Get back to Fig. 1, continue the explanation of pipe T.Pipe T is printed with mark I.On pipe T, the face with this mark I is defined as front (first surface).Again, on pipe T, the back side in the face with mark I is defined as the back side.Mark I is the mark of the design deviation (position) for detecting pipe T.The color (such as black) of mark I is called marker color.On this pipe T, by by by peristome melting and the part of pressure welding and heat seal is called end seal portion E.Be under the state erected at pipe T, using E side, end seal portion as top, the mouth of pipe (pipe lid C) side carrys out regulation above-below direction as below.Under the state that, pipe T downward at pipe lid C erects, be decided to be left and right directions by from left and right directions during observation tube T front, front, the direction gage orthogonal relative to above-below direction.
That is, pipe T is made up of the roughly symmetric first and second side.The upper end of the first and second side is engaged by end seal portion E.The two ends, left and right of the first and second side are continuous print.The outside surface of the first and second side is towards roughly mutually opposite direction.The outside surface of the first side is the front of pipe T.The outside surface of the second side is the back side of pipe T.
Fig. 3 is the skeleton diagram of an example of the filling machine P that the control system having imported this example is shown.
Filling machine P is for being filled in pipe T by the filling materials such as toothpaste, and by the thermosealed production line of peristome of the pipe T after filling.
The central authorities of filling machine P are provided with the estrade of racing track shape.The multiple tubular pipe supports arranged around this estrade are set to move horizontally freely in a circumferential direction under ordered state.These pipe supports are configured to, and are moved around around estrade by the conveyer (not shown) arranged along the side face of estrade.
Pipe T is supplied to pipe support from the supply unit 101 of filling machine P, and the side face along estrade moves to discharge portion 112.First, at supply unit 101, new pipe T is under their pipe lid C side direction and be supplied in pipe support under the state of opening.Then, pipe support is inserted by being pushed by pipe T in pipe insertion section 102, and pipe T is fixed on pipe support.Then, by sensor, pipe lid confirmation unit 103 confirms that pipe lid C is installed on pipe T.Then, foreign matter removal unit 104 is by spraying in pipe T the foreign matter removed in pipe T by clean air.Then, refine filling part 105 filling material is filled in pipe T.
Then, mark position aligned portions 106 detects the mark I of pipe T by color sensor, carries out position alignment to pipe T, makes mark I towards the prescribed direction preset.Then, kind confirmation unit 107 confirms the kind of pipe T by video camera.Then, thermal seal 108 is by by the peristome heat fusing of pipe T and heat seal is carried out in pressure welding.Then, pack batch marking portion 109 on end seal portion E, mark packaging batch.Then, the position of visual examination portion 110 to the design of pipe T checks.Then, the end of end seal portion E is blocked by R cutter part 111.Finally, pipe T is expelled to rear operation by vibration damper formula conveyor 113 by discharge portion 112.
Fig. 4 is the skeleton diagram of the Control system architecture that this example is shown.
Control system checks the position of the design of pipe T in the visual examination portion 110 in filling machine P.Control system by throwing light on 1, reflecting plate 2, video camera (image pickup part) 3, image processing apparatus 4 and timer 5 form.Illumination 1, reflecting plate 2 and video camera 3 are arranged in the visual examination portion 110 in filling machine P.Illumination 1 irradiates light to the back side of the pipe T in filling machine P and reflecting plate.Light from illumination 1 is reflexed to the front of pipe T by reflecting plate (reflecting member) 2.Video camera 3 carries out shooting and synthetic image to the front of pipe T, exports the image of generation to image processing apparatus 4.Below, the system be made up of illumination 1, reflecting plate 2 and video camera 3 is called illuminator.The detailed construction of illuminator describes later.
Image processing apparatus 4 detects the left-right deviation of the design of pipe T based on the image inputted by video camera 3.Then, based on testing result, image processing apparatus 4 judges that pipe T is certified products or unacceptable product, judged result is exported to timer 5.Timer 5, based on the judged result of input, judges that each pipe T in filling machine P is certified products or unacceptable product, status information (certified products or unacceptable product) is given each pipe T and stored.Then, timer 5 indicates to damping (ダ ン パ ー) formula conveyor 113 output action based on the status information of each pipe T.Such as, timer 5, when pipe T is certified products, exports the action instruction of the subsequent handling (first direction) pipe T being expelled to production line to damp type conveyor 113.On the other hand, timer 5, when pipe T is unacceptable product, exports action instruction pipe T being expelled to (second direction) outside the system of production line to damp type conveyor 113.
Fig. 5 is the block diagram of the functional structure of the check system that this example is shown.
Check system is used to above-mentioned control system, is to judge that pipe T is the system of certified products or unacceptable product.Check system is made up of illuminator, image processing apparatus 4, input part 6, lighting control section 7 and display part 8.The detailed construction of illuminator describes later.
Input part 6 receives the input of the controlling value of the illumination controlling illumination 1.Lighting control section 7 controls the illumination of illumination 1 based on the controlling value inputted by input part 6.Specifically, lighting control section 7 is passed through such as to make the service voltage to illumination 1 or curent change, controls the illumination of illumination 1.Display part 8 shows the image that video camera 3 photographs.By adopting this structure, operator when implementing to check, can confirm the image that display part 8 shows, while set the illumination of illumination 1 by input part 6.Thereby, it is possible to correspond to the illumination of size, shape and the design modifying illumination 1 being examined property management T.
Judge that pipe T is that the image processing apparatus 4 of certified products or unacceptable product is made up of image input unit 401, rim detection portion 402, window determination portion 403, separate-blas estimation portion 404, judging part 405 and judged result efferent 406 based on the image taken by video camera 3.Image processing apparatus 4 is certified products or unacceptable product based on the position judgment pipe T of the mark I of pipe T.Image input unit 401 receives the input of the image from video camera 3, the image of input is exported to display part 8 and rim detection portion 402.Rim detection portion 402 is detected the edge of the left end of pipe T in the image of input.Window determination portion 403, based on the edge of the left end detected by rim detection portion 402, is determined the scope that should have mark I, is namely marked detection window.
Whether separate-blas estimation portion 404 has mark I based in the mark detection window determined by window determination portion 403, detects the deviation of the design of pipe T.Specifically, separate-blas estimation portion 404 counts the pixel quantity of marker color in mark detection window, when counted pixel quantity is in specialized range α, has mark I in judge mark detection window.Higher limit and the lower limit of scope α are preset.Such as, limit of consideration α be mark detection window in pixel in more than 80% pixel.On the other hand, separate-blas estimation portion 404, when counted pixel quantity is outside scope α, does not mark I in judge mark detection window, detects the deviation of the design of pipe T.Based on the testing result in separate-blas estimation portion 404, detection unit 405 judges that pipe T is certified products or unacceptable product.Specifically, detection unit 405 judges that when not detecting the deviation of design pipe T is certified products, judges that pipe T is unacceptable product when detecting the deviation of design.The judged result of judging part 405 is sent to timer 5 by judged result efferent 406.
Fig. 6 is the skeleton diagram of the setting position of the illuminator that this example is shown.
In figure 6, the direction that just face toward defining pipe T is front.Again, the back side defining pipe T towards direction be rear.
Illuminator by throwing light on 1, reflecting plate 2 and video camera 3 form.Illuminator is arranged in the visual examination portion 110 in filling machine P.Pipe T is configured between illumination 1 and reflecting plate 2.
Illumination 1 be LED(light emitting diode) etc. area source, the color of its light is white.The transverse width (or longitudinal width) of illumination 1 is at least large than the transverse width of pipe T.Longitudinal width (or transverse width) of illumination 1 is at least large than longitudinal width of mark I.Illumination 1 is arranged in the finite space (such as, depth 35mm ~ 95mm) in filling machine P.Therefore, slim (such as, the about 8mm of thickness) is preferably used to throw light on as illumination 1.
The illuminating part of illumination 1 toward the front, is arranged at the rear position of pipe T.Again, illumination 1 is set to irradiate the back side of reflecting plate 2 and the pipe T in filling machine P.At this, illumination 1 is set to, and irradiates with at least comprising the two ends, left and right of the pipe T of the top of the bottom being positioned at mark I to the back side of pipe T.
Reflecting plate 2 is the plates reflected light.The material of the reflecting surface of reflecting plate 2 is teflon.Teflon is larger compared to diffusivitys such as mirrors.Again, the color of the reflecting surface of reflecting plate 2 is preferably white, can not reflect on pipe T to make the color of reflecting plate 2.
The reflecting surface of reflecting plate 2 is towards rear, and reflecting plate 2 is arranged on the position in the front of pipe T, around the mark I light irradiated by illumination 1 being reflexed to pipe T.Be θ relative to the angle of the reflecting surface of the reflecting plate 2 of the direction of illumination (horizontal direction) of the light of light source (illumination 1).Angle θ is 30 degree to 60 degree, preferably 40 degree to 50 degree, more preferably 45 degree.
Video camera 3 is CCD(ccd image sensors) video camera.
The optical system of video camera 3 is towards rear, and video camera 3 is arranged on the position in the front of pipe T.Again, video camera 3 is set to, and takes with at least can comprising the two ends, left and right of mark I and pipe T to the front of the pipe T in filling machine P.
Illumination 1, reflecting plate 2 and the height of video camera 3 and the angle θ of reflecting plate 2 are adjustable.Thereby, it is possible to correspond to the position of the size of examined property management T, shape and design modifying illumination 1, reflecting plate 2 and video camera 3.
Figure 6 illustrates illumination 1, reflecting plate 2 and video camera 3 relative to height 140mm(symbol h) the example of setting position of pipe T.Illumination 1 is arranged at the center 55mm(symbol i of distance pipe T) rear, height 112mm(symbol j) position.That is, illumination 1 is configured in the rear side of pipe T.The upper end of illumination 1 is positioned at the position above pipe T.The lower end of illumination 1 is positioned at the position below mark I.Reflecting plate 2 is arranged at range blanking 1 front 100mm(symbol k with angle θ=45 degree) position.That is, reflecting plate 2 is configured in the first surface side of pipe T, and is configured in the position above pipe T.Reflecting plate 2 tilts relative to the direction of illumination of the light of illumination 1, with relative with the first surface of pipe T.Again, video camera 3 is arranged on front, the center 130mm(symbol l of distance pipe T) and front, the bottom 65mm(symbol m of distance reflecting plate) position.
Pipe T two one group is carried out each operation by filling machine P.Therefore, two the pipe Ts of this illuminator to two arrangements sidewards also can be made to take roughly simultaneously and check.In this case, also the transverse width of illumination 1 can be increased, make it possible to irradiate two pipe T with an illumination 1.
Fig. 7 is the image photographed by the illuminator of this example.
As shown in Figure 7,1 to irradiate the back side of pipe T owing to throwing light on, the two ends, left and right being therefore positioned at the pipe T of the top of mark I bottom are just clearly taken by shape.That is, as shown in Figure 7, in the image captured by video camera 3, illumination 1(is namely from the direct irradiation light of illumination 1) appear before one's eyes in the background at the two ends, left and right of the pipe T being arranged in the top marking I bottom.Therefore, it is possible to detect the two ends, left and right of pipe T well.Again, owing to making the light of illumination 1 spread by reflecting plate 2 and irradiating in mark I, therefore, it is possible to prevent halation, shape from clearly taking mark I.
Then, image processing apparatus 4 is detected according to the image captured by said lighting system to the deviation of the design of pipe T is described.
Fig. 8 A ~ 8D is the whether qualified key diagram judging to process of the image processing apparatus 4 of this example.
First, image input unit 401 obtains the image (with reference to Fig. 8 A) from video camera 3.Then, the specialized range that rim detection portion 402 is presetting, namely checks in window W, scans from left to right, color is changed maximum position and detects (with reference to Fig. 8 B) as tube edges G.Then, window determination portion 403 for basic point, determines that mark detection window M(is with reference to Fig. 8 C, Fig. 8 D with tube edges G).Specifically, tube edges G is set as marking detection window M in the region of determined pixel number by window determination portion 403 from right to left.
Then, separate-blas estimation portion 404 counts the pixel of marker color in mark detection window M.
Separate-blas estimation portion 404, when counted pixel quantity is within scope α, is detected as in the design of pipe T and does not have deviation (with reference to Fig. 8 C).On the other hand, separate-blas estimation portion 404, when counted pixel quantity is outside scope α, is detected as in the design of pipe T and has deviation (Fig. 8 D).Finally, judging part 405 is judged as certified products by not having pipe T devious in design, and pipe T devious in design is judged as unacceptable product.Such as, when the pipe T shown in Fig. 8 C, because mark I is present in the position of mark detection window M, therefore the pixel quantity of marker color is within scope α.Therefore, the pipe T shown in Fig. 8 C is judged as certified products by image processing apparatus 4.On the other hand, when the pipe T shown in Fig. 8 D, because mark I is not present in the position of mark detection window M, therefore the pixel quantity of marker color is " 0 ", outside scope α.Therefore, the pipe T shown in Fig. 8 D is judged as unacceptable product by image processing apparatus 4.
Then, with reference to Fig. 9, whether qualifiedly judge that process is described to what undertaken by image processing apparatus 3.Fig. 9 is the whether qualified process flow diagram judging the step processed that this example is shown.
First, inspection window W, in the image obtained by video camera 3, scans by rim detection portion 402 from left to right, color is changed maximum position and detects (step S101) as tube edges G.Then, window determination portion 403 for basic point, determines mark detection window M(step S102 with tube edges G).Then, the pixel quantity of separate-blas estimation portion 404 to the marker color in mark detection window M counts (step S103).Then, whether within scope α (pixel quantity is in the threshold value of regulation) (step S104) separate-blas estimation portion 404 judges the pixel quantity of the marker color counted.When counted pixel quantity is within scope α (step S104: yes), pipe T is judged as certified products (OK) (step S105) by judging part 405, ends process.On the other hand, when counted pixel quantity is not within scope α (step S104: no), pipe T is judged as unacceptable product (NG) (step S106) by judging part 405, ends process.
Then, the shooting results when shooting results of the illuminator of this example and direct irradiation pipe T is compared.
Figure 10 A ~ 10C shows the shooting results of the video camera 3 of the illuminator of this example.Figure 10 A adopts the configuration of said lighting system, shooting results when teflon selected by reflecting plate 2.Figure 10 B adopts the configuration of said lighting system, shooting results when mirror selected by reflecting plate 2.In order to compare, show the shooting results front from illumination 1 direct irradiation pipe T in fig 1 oc.
As illustrated in figure 10 c, if taken the front direct irradiation of pipe T, then due to end seal portion E can produce halation, mark I can disappear, and further, the tube edges G of pipe T can be smudgy.Therefore, if to pipe T direct irradiation, then mark I cannot be detected by image procossing.In contrast, as shown in Figure 10 B, when in the illumination system mirror being used for reflecting plate 2, due to can halation be suppressed compared with the situation of direct irradiation, therefore, it is possible to take mark I.But because mirror diffusivity of light compared with teflon is lower, therefore halation can remain, have the ambiguous situation of color of the such mark I of diagram, other colors (such as blue) shine upon situation in marker color.Therefore, when mirror being used for reflecting plate 2, the verification and measurement ratio of mark I reduces.To this, as shown in Figure 10 A, when teflon being used for reflecting plate 2 in the illuminator of this example, can prevent halation, shape is clearly taken mark I and tube edges G.Therefore, good result can be obtained based on when this shooting image inspection.Thus, when adopting the configuration of said lighting system, reflecting plate 2 is when selecting teflon, can more precisely detect mark I by image procossing.
Figure 11 shows the experimental result of the check system of this example.
In the table shown in Figure 11, the quality showing pipe is judged as the result of certified products or unacceptable product by eye observation.Inspection machine judges to show the judged result of certified products (OK) that check system makes or unacceptable product (NG).As shown in figure 11, the judged result of check system is all consistent with the judged result by eye observation.So, the check system of this example just can maintain in the past with checking on the quality when eye observation.
Figure 12 is the chart of the illumination change of the pipe T position that this example is shown.
In this chart, transverse axis is the controlling value (unit is knob amount (Vol(Volume)) of the intensity (illumination) controlling the light that light source sends).The longitudinal axis is the illumination (unit is lux (Lx)) of pipe T position.
Line 201 shown in Figure 12 shows the illumination change when front with illumination 1 direct irradiation pipe T.Line 202 shows illumination change when mirror to be used for reflecting plate 2 in the illuminator of this example.Line 203 shows illumination change when teflon to be used for reflecting plate in the illuminator of this example.
As shown in figure 12, when using the illuminator of this example, the illumination of pipe T is relative to controlling value smooth variation roughly point-blank.Therefore, it is possible to correspond to the design of pipe T and shape adjusts illumination more meticulously.On the other hand, the illumination when the front of direct irradiation pipe T is unstable relative to its change of controlling value, and the adjustment of illumination is more difficult.
Again, illumination when teflon being used in reflecting plate 2 changes more reposefully compared with when mirror being applicable to reflecting plate 2.This is because teflon diffusivity of light compared with mirror is larger.Therefore, teflon is used for reflecting plate 2 than using the situation of the mirror third contact of a total solar or lunar eclipse of more having difficult labour to swoon.
So, according to this example, with illumination 1 from back side illuminaton pipe T, the light irradiated reflected the front in pipe T with reflecting plate 2 by illumination 1.Therefore, even if in the glossiness situation in pipe T surface, also can preventing the generation of halation, shape from more clearly taking the mark I of pipe T to prevent from being mixed in filling machine P that dust and dust covers.Thereby, it is possible to judge that pipe T is certified products or unacceptable product on a production line accurately.
Again, owing to having input part 6, lighting control section 7 and display part 8, the operator carrying out checking can confirm the image be taken, while correspond to the design of pipe T and the illumination of shape fine setting illumination 1.Again, because teflon selected by reflecting plate 2, the light of illumination 1 is diffused reflection, therefore, it is possible to adjustment reflexes to the illumination of the light in the front of pipe T more meticulously.
By the program being used for realizing each step shown in Fig. 9 being recorded in the recording medium that computing machine can read, computer system is read in be recorded in the program of this recording medium, and carry out this program, can carry out judging that pipe T is the process of certified products or unacceptable product.Also can be the parts comprising the hardware such as OS, peripheral equipment in this " computer system ".
" recording medium that computing machine can read " refers to, the not volatile memory that floppy disk, CD, ROM, flash memory etc. can write, and CD-ROM etc. can transporting medium, is built in the memory storages such as the hard disk of computer system.
" recording medium that computing machine can read " also comprises, the volatile memory (such as DRAM(dynamic RAM) of inside computer system becoming server, client as when program is sent out by the communication line of network, the telephone lines etc. such as the Internet), the device that program kept certain hour.
Also can by said procedure from the computer system this program being stored in memory storage etc., by transmission medium or the computer system being transferred to other by the transmission wave in transmission medium." transmission medium " of transmission procedure refers to, has the medium of the function of transmission information as the communication lines (order wire) such as the networks such as the Internet (communication network), telephone line.
Said procedure also can be the article of the part for realizing aforementioned function.
Also can be, by carrying out with the combination of the program recorded in computer system the so-called differential file (difference program) realizing above-mentioned functions.
Above, with reference to accompanying drawing, an example of the present invention has been described in detail, but concrete structure is not limited only to said structure, can carry out various design alterations etc. in the scope not departing from central idea of the present invention.
Such as, in this example, use teflon as the material of the reflecting surface of reflecting plate 2, but be not limited only to this.As long as the material that diffusivity is large, such as, also other materials such as polypropylene, tygon can be used for reflecting plate 2.
Again, in this example, use LED as illumination 1, but be not limited only to this.Such as, the other light sources such as fluorescent light, Halogen lamp LED also can be used as illumination 1.
Industrial applicability
The present invention can be applicable to illuminator, check system and control system.
Symbol description
1 illumination
2 reflecting plates
3 video cameras
4 image processing apparatus
5 timers
6 input parts
7 lighting control section
8 display parts
401 image input unit
402 rim detection portions
403 window determination portions
404 separate-blas estimation portions
405 judging parts
406 judged result efferents
T manages (checked property).
Claims (5)
1. an illuminator, described illuminator is used for check system, described check system has described mark and glossiness first surface is taken around described mark in the markd checked property of printing, based on the design attitude of checked property described in taken image inspection, the feature of described illuminator is to have:
Irradiate the illumination of light, described illumination is configured in the rear side of the described first surface of described checked property, the lower end of the upper end with the top being positioned at described checked property and the below that is positioned at described mark; With
Reflecting member, described reflecting member is configured in the described first surface side of described checked property, and be configured in the top of described checked property, described reflecting member tilts relative to the direction of illumination of the light of described illumination, make described reflecting member relative with the first surface of described checked property, light from described illumination reflects by described reflecting member
Described illumination by the back side of light direct irradiation in first surface described in described checked property, and passes through described reflecting member, by the described first surface of light indirect irradiation in described checked property.
2. illuminator as claimed in claim 1, wherein, is characterized in that,
Also have image pickup part, described image pickup part is configured in the side contrary with described illumination relative to described reflecting member, by taking the first surface of described checked property, is at least comprised the image at the two ends, left and right of described mark and described checked property.
3. the illuminator described in claim 1 or 2, is characterized in that,
The material of the reflecting surface of described reflecting member is teflon.
4. a check system, described check system uses the illuminator described in claim 2, and detect the design attitude of described checked property, the feature of described check system is,
Described image pickup part is taken first surface described in described checked property,
Described check system has:
Determination portion, described determination portion, in the image photographed by described image pickup part, determines the scope that should have described mark; With
Test section, described test section, based on the presence or absence of the described mark in the scope determined by described determination portion, detects the design attitude of described checked property.
5. a control system, described control system uses the check system described in claim 4, and be that certified products or unacceptable product judge to the checked property through production line, the feature of described control system is to have:
Control part, described control part based on the testing result of described test section, judge through each checked property of described production line be certified products or unacceptable product.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011120962 | 2011-05-30 | ||
| JP2011-120962 | 2011-05-30 | ||
| PCT/JP2012/063732 WO2012165419A1 (en) | 2011-05-30 | 2012-05-29 | Lighting system, inspection system and control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103562710A CN103562710A (en) | 2014-02-05 |
| CN103562710B true CN103562710B (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280026172.5A Active CN103562710B (en) | 2011-05-30 | 2012-05-29 | Illuminator, check system and control system |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5847176B2 (en) |
| KR (1) | KR101955238B1 (en) |
| CN (1) | CN103562710B (en) |
| WO (1) | WO2012165419A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6997036B2 (en) * | 2018-05-07 | 2022-01-17 | 株式会社リブドゥコーポレーション | Package inspection method and package inspection device |
| JP7236612B2 (en) * | 2019-09-27 | 2023-03-10 | パナソニックＩｐマネジメント株式会社 | Inspection method, program and inspection system |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5847176B2 (en) | 2016-01-20 |
| CN103562710A (en) | 2014-02-05 |
| KR20140012967A (en) | 2014-02-04 |
| JPWO2012165419A1 (en) | 2015-02-23 |
| WO2012165419A1 (en) | 2012-12-06 |
| KR101955238B1 (en) | 2019-03-08 |
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