CN106353051A - Sealing detecting equipment and method - Google Patents
Sealing detecting equipment and method Download PDFInfo
- Publication number
- CN106353051A CN106353051A CN201610658588.9A CN201610658588A CN106353051A CN 106353051 A CN106353051 A CN 106353051A CN 201610658588 A CN201610658588 A CN 201610658588A CN 106353051 A CN106353051 A CN 106353051A
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- Prior art keywords
- sealing
- image
- photographic head
- gray scale
- packing box
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/38—Investigating fluid-tightness of structures by using light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses sealing detecting equipment, and relates to the field of packaging of spiced and stewed food. The sealing detecting equipment comprises a cabinet, a plurality of cameras and an image processor, wherein a conveying device is arranged in the middle of the cabinet and penetrates through two opposite side surfaces of the cabinet; the conveying device consists of a plurality of conveying belt groups which are parallel and are arranged at intervals; a gap is formed between each two adjacent conveying belt group; each camera is distributed in the gap formed by the two corresponding adjacent conveying belt group; lenses of the cameras are upward; and the image processor is positioned inside the cabinet and is connected with the cameras. By the sealing detecting equipment, accuracy of sealing detecting and detecting efficiency can be improved effectively.
Description
Technical field
The present invention relates to spiced and stewed food packaging field is and in particular to a kind of sealing testing equipment and one kind seal detection method.
Background technology
In food service industry, in order to extend the storage cycle of food, frequently with sealed preserving type, that is, first by food bag
It is evacuated in mounted box or packaging bag, then is filled with the noble gases such as nitrogen inside, finally food package box or packaging bag are carried out
Sealing, is then quickly checked to every box product by the way of artificial perusal and manual touch, is carried out random simultaneously
Selection, carries out further the judgement of in detail sealing to the packing box being drawn into or packaging bag, detection packing box or packaging bag
Whether contain bubble in sealing part, whether fully seal, thus ensureing the sealing of product.But contain more in spiced and stewed food etc.
The food service industry of oils and fatss, is affected by oils and fatss, and oil stain is easily mixed at package box sealing, and then is sealed in sealing strip, people
Work, when carrying out naked eyes and identifying, does not fully seal packing box for be mixed into oil stain in sealing strip, by macroscopic limitation, past
Toward being difficult to precisely identify, and manually observed with eye for a long time, easy-to-use eyestrain, the accuracy of judgement is extremely low, simultaneously eye-observation
High labor intensive, efficiency is low.Meanwhile, this operation needs artificial operation it is impossible to meet full-automatic packaging production line needs.
Content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of sealing testing equipment and a kind of envelope
Mouth detection method, can effectively improve accuracy and the detection efficiency of sealing detection.
For reaching object above, the present invention adopts the technical scheme that: cabinet, and the middle part of described cabinet is provided with transmission dress
Put, and described transporter runs through the relative two sides of cabinet, described transporter is by biography that is multiple parallel and being set in distance
Send band group to form, between adjacent two conveyer belt groups, form gap；
Multiple photographic head, described photographic head is distributed in different gaps, and the camera lens of described photographic head is all arranged upward；
Image processor, it is located inside described cabinet, and described image processor is all connected with each photographic head.
On the basis of technique scheme, the two ends of described transporter overhang to described cabinet respectively.
On the basis of technique scheme, described photographic head is respectively positioned on inside described cabinet, and described photographic head is six,
And six photographic head ringwise arrange.
On the basis of technique scheme, described conveyer belt group includes drivewheel, driven pulley and conveyer belt, described transmission
Band is tensioned on described drivewheel and driven pulley, and the drivewheel of each conveyer belt group and driven pulley are respectively positioned on same horizontal line
On.
The present invention also provides a kind of sealing detection method, and the sealing for the sealed frame to controlled atmospheric packing box is examined
Survey, the method comprises the following steps:
Step s1: photographic head gathers the image at the sealed frame of controlled atmospheric packing box, and sends an image to image procossing
Device；
Step s2: image processor receives the image that photographic head sends, and carries out GTG process to image, obtains sealing strip
The gray scale image of frame；
Step s3: image processor judges sealed frame according to the uniformity of pixel in the gray scale image of sealed frame
Sealing.
On the basis of technique scheme, described step s1 particularly as follows:
When controlled atmospheric packing box is above the circle ring center that six annular photographic head are formed, photographic head is to controlled atmospheric packing box
Lower section shot, obtain the controlled atmospheric packing box lower images of six direction, the image of shooting is sent to by photographic head simultaneously
Image processor.
On the basis of technique scheme, described step s2 particularly as follows:
Image processor receives the six width images that photographic head sends, and image is carried out GTG process, obtains six width GTGs
Image, then carries out focusing process to sealed frame region in gray scale image.
On the basis of technique scheme, described step s3 particularly as follows:
Image processor is analyzed to the distribution situation of the pixel of six width gray scale images of focusing process respectively,
If the pixel in gray scale image is uniformly distributed, judge at the sealed frame of this width gray scale image corresponding controlled atmospheric packing box
Fully seal；If pixel is non-uniform Distribution state in gray scale image, judge this corresponding controlled atmospheric packing of width gray scale image
Do not fully seal at the sealed frame of box；
Meanwhile, if the pixel in the gray scale image of six width sealed frames is all uniformly distributed, judged controlled atmospheric packing box
Fully seal；If the gray scale image pixel of at least one width sealed frame is non-homogeneous in the gray scale image of six width sealed frames
Distribution, then judge that controlled atmospheric packing box does not fully seal.
On the basis of technique scheme, for the not uniformly distributed gray scale image of pixel, then in this gray scale image
The not uniformly distributed region of pixel is the peculiar area of sealing.
On the basis of technique scheme, described sealing difference area is the sealing being mixed with bubble or oil stain on sealed frame
Region.
Compared with prior art, a kind of advantage of sealing of present invention testing equipment is: by under controlled atmospheric packing box
Side arranges six photographic head ringwise arranged, and the shooting area border of adjacent two shootings mutually covers, and works as conveyor belt
When the center of annulus that controlled atmospheric packing box runs to six photographic head formation, six photographic head enter to the lower section of controlled atmospheric packing box
Row is taken pictures, it is to avoid the impact to detection for the controlled atmospheric packing box sealed plastic front pattern, obtains six differences below controlled atmospheric packing box
The photo of angle, obtains the photo in all regions of controlled atmospheric packing box sealed frame, and picture is sent to image processor carries out
Detection identification, effectively prevent the appearance at detection dead angle, improves the accuracy of controlled atmospheric packing box sealing detection, and whole detection
It is automatically performed, detection efficiency is high.
A kind of advantage of present invention sealing detection method is: when on sealed frame, some regions are mixed into bubble or oil stain
Afterwards, the pixel in the gray scale image of this area image can assume the feature of uneven distribution, no matter is mixed on sealed frame
Be bubble or oil stain, its corresponding pixel all can assume the state of uneven distribution, using this kind of characteristic, by sealing strip
In frame gray scale image, pixel is pockety is all judged to not fully seal, for the sealing strip being mixed with bubble or oil stain
Frame, effectively prevents erroneous judgement so that the detection to controlled atmospheric packing box sealing is more shown in accurately.
Brief description
Fig. 1 is a kind of side view of present invention sealing testing equipment；
Fig. 2 is a kind of top view of present invention sealing testing equipment；
Fig. 3 is the schematic diagram of sealed frame.
In figure: 1- cabinet, 2- transporter, 3- conveyer belt group, 4- photographic head, 5- gap, 6- controlled atmospheric packing box sealing strip
Frame.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The present invention provides a kind of sealing testing equipment, for detecting to the sealing of controlled atmospheric packing box, controlled atmospheric packing
Box is the box body of upper opening, pastes plastic covering sealant, shown in Figure 3, plastic sealing layer and box body phase above box body
Position even is a frame-type structure, is commonly called as controlled atmospheric packing box sealed frame 6, the width of sealed frame is generally 7mm, referring to Fig. 1
Shown, the sealing testing equipment of the present invention includes cabinet 1, and the middle part of cabinet 1 is provided with transporter 2, and transporter 2 runs through cabinet
The relative two sides of body 1, that is, the left and right sides at cabinet 1 middle part is connected state, and transporter 2 is located therein, and transporter 2
Two ends overhang to cabinet 1 respectively, convenient dock with the miscellaneous equipment of gas-regulating box baling line.
Shown in Figure 2, transporter 2 is made up of conveyer belt group 3 that is multiple parallel and being set in distance, adjacent two transmission
Form gap 5 between band group 3, each conveyer belt group 3 includes drivewheel, driven pulley and conveyer belt, conveyer belt be tensioned to drivewheel and
On driven pulley, and the drivewheel of each conveyer belt group 3 and driven pulley are respectively positioned in same horizontal line, same between each conveyer belt group 3
Step is run in the same direction, and the sealing testing equipment of the present invention also includes image processor and multiple photographic head 4, image processor and each
Photographic head 4 is all connected, and photographic head 4 is distributed in different gaps 5, and the camera lens of described photographic head 4 is all arranged, specifically upward
, photographic head 4 is respectively positioned in the gap 5 formed between the adjacent two conveyer belt groups 3 within cabinet 1, and photographic head 4 is six, and six
Individual photographic head 4 is ringwise arranged, when the center of the annular that controlled atmospheric packing box is formed through six photographic head 4, six photographic head 4
Is taken pictures in the lower section of controlled atmospheric packing box, obtain below controlled atmospheric packing box the photo of six different angles, and by the photograph obtaining
Piece is sent to image processor, and image processor judges to photo, thus judging the sealing of controlled atmospheric packing box.
Six photographic head being circular layout 4 are set in the lower section of controlled atmospheric packing box, by six different angles to controlled atmosphere bag
Taken pictures below mounted box, and the shooting area border of adjacent two shootings is mutually covered, that is, complete to carrying out below controlled atmospheric packing box
Orientation no dead angle shoots, it is to avoid shooting blind angle amount and leads to sealed frame some regions cannot be detected, thus improve sealing
The accuracy of detection.
The present invention also provides a kind of sealing detection method, based on above-mentioned sealing testing equipment, for controlled atmospheric packing box
The sealing of sealed frame is detected, the method comprises the following steps:
Step s1: when controlled atmospheric packing box is above the circle ring center that six annular photographic head 4 are formed, six photographic head
4 shoot to the lower section of controlled atmospheric packing box respectively, obtain the controlled atmospheric packing box lower images of six direction, photographic head 4 simultaneously
The image of shooting is sent to image processor；
Step s2: image processor receives the six width images that photographic head 4 sends, and image is carried out GTG process, obtains
Six width gray scale images, then carry out focusing process to sealed frame region in gray scale image；
Step s3: image processor enters to the distribution situation of the pixel of six width gray scale images of focusing process respectively
Row analysis, if sealed frame fully seals, then the image at sealed frame that photographic head 4 photographs can be only a kind of face
Color, after carrying out GTG process, the pixel in its gray scale image can be evenly distributed state, therefore, if the picture in gray scale image
Vegetarian refreshments is uniformly distributed, then fully seal at the sealed frame judging this width gray scale image corresponding controlled atmospheric packing box；If GTG
In image, pixel is non-uniform Distribution state, then judge at the sealed frame of this width gray scale image corresponding controlled atmospheric packing box not
Fully seal；
Meanwhile, if the pixel in the gray scale image of six width sealed frames is all uniformly distributed, judged controlled atmospheric packing box
Fully seal；If the gray scale image pixel of at least one width sealed frame is non-homogeneous in the gray scale image of six width sealed frames
Distribution, then judge that controlled atmospheric packing box does not fully seal, then pass through other equipment by the controlled atmospheric packing not fully sealed box
Eliminate baling line.After on sealed frame, some regions are mixed into bubble or oil stain, the impact of the refraction of light, photographic head 4 exists
When being taken pictures in this region, the different image of color can be obtained, that is, this region will not assume pure color, when GTG is carried out to image
Process, when obtaining gray scale image, this region fully seals region compared to sealed frame other and can assume non-homogeneous point of pixel
The state of cloth, by carrying out GTG process to image, using the whether equally distributed decision procedure of pixel distribution, is greatly enhanced
The accuracy judging is so that the detection to controlled atmospheric packing box sealing is more shown in accurately.
For the not uniformly distributed gray scale image of pixel, in gray scale image, the not uniformly distributed region of pixel is sealing
Peculiar area, the peculiar area of sealing is the sealing area being mixed with bubble or oil stain on sealed frame, therefore can be ununiform according to pixel
The size and location of distributed areas, determines whether out area and the position in sealing difference area, and inverse according to the photographic head 4 shooting
Release position on whole sealed frame for this sealing difference area and size, and then can whether complete to judgement controlled atmospheric packing box
The standard of sealing is reset, and for example, if the peculiar area of sealing is located in sealed frame between outside, and seals peculiar offset
In sealed frame two, outside is all spaced more than 2mm, also can determine that the sealing for this controlled atmospheric packing box is qualified.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, without departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
1. a kind of sealing testing equipment is it is characterised in that include:
Cabinet (1), the middle part of described cabinet (1) is provided with transporter (2), and described transporter (2) runs through cabinet (1) relatively
Two sides, described transporter (2) is made up of conveyer belt group (3) that is multiple parallel and being set in distance, adjacent two conveyer belts
Form gap (5) between group (3)；
Multiple photographic head (4), described photographic head (4) is distributed in different gaps (5), and the camera lens of described photographic head (4) is equal
Arrange upward；
Image processor, it is located at, and described cabinet (1) is internal, and described image processor is all connected with each photographic head (4).
2. a kind of sealing testing equipment as claimed in claim 1 it is characterised in that: the two ends of described transporter (2) are respectively
Overhang to described cabinet (1).
3. a kind of sealing testing equipment as claimed in claim 2 it is characterised in that: described photographic head (4) is respectively positioned on described cabinet
Body (1) is internal, and described photographic head (4) is six, and six photographic head (4) are ringwise arranged.
4. a kind of sealing testing equipment as claimed in claim 1 it is characterised in that: described conveyer belt group (3) include drivewheel,
Driven pulley and conveyer belt, described conveyer belt is tensioned on described drivewheel and driven pulley, and the drivewheel of each conveyer belt group (3)
It is respectively positioned in same horizontal line with driven pulley.
5. a kind of sealing detection method based on sealing testing equipment described in claim 1, for the sealing to controlled atmospheric packing box
The sealing of frame is detected it is characterised in that the method comprises the following steps:
Step s1: photographic head (4) gathers the image at the sealed frame of controlled atmospheric packing box, and sends an image to image procossing
Device；
Step s2: image processor receives the image that photographic head (4) sends, and carries out GTG process to image, obtains sealing strip
The gray scale image of frame；
Step s3: image processor judges the sealing of sealed frame according to the uniformity of pixel in the gray scale image of sealed frame
Property.
6. a kind of sealing detection method as claimed in claim 5 it is characterised in that: described step s1 particularly as follows:
When controlled atmospheric packing box is above the circle ring center that six annular photographic head (4) are formed, photographic head (4) is to controlled atmospheric packing
The lower section of box is shot, and obtains the controlled atmospheric packing box lower images of six direction, and the image of shooting is sent out by photographic head (4) simultaneously
Give image processor.
7. a kind of sealing detection method as claimed in claim 6 it is characterised in that: described step s2 particularly as follows:
Image processor receives the six width images that photographic head (4) sends, and image is carried out GTG process, obtains six width gray-scale figure
Picture, then carries out focusing process to sealed frame region in gray scale image.
8. a kind of sealing detection method as claimed in claim 7 it is characterised in that: described step s3 particularly as follows:
Image processor is analyzed to the distribution situation of the pixel of six width gray scale images of focusing process respectively, if grey
Pixel in rank image is uniformly distributed, then judge complete at the sealed frame of this width gray scale image corresponding controlled atmospheric packing box
Sealing；If pixel is non-uniform Distribution state in gray scale image, judge this width gray scale image corresponding controlled atmospheric packing box
Do not fully seal at sealed frame；
Meanwhile, if the pixel in the gray scale image of six width sealed frames is all uniformly distributed, judge that controlled atmospheric packing box is complete
Sealing；If the gray scale image pixel of at least one width sealed frame is non-uniform Distribution in the gray scale image of six width sealed frames
State, then judge that controlled atmospheric packing box does not fully seal.
9. a kind of sealing detection method as claimed in claim 8 it is characterised in that: for the not uniformly distributed GTG of pixel
Image, then in this gray scale image, the not uniformly distributed region of pixel is the peculiar area of sealing.
10. a kind of sealing detection method as claimed in claim 9 it is characterised in that: the peculiar area of described sealing is sealed frame
On be mixed with the sealing area of bubble or oil stain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658588.9A CN106353051A (en) | 2016-08-12 | 2016-08-12 | Sealing detecting equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658588.9A CN106353051A (en) | 2016-08-12 | 2016-08-12 | Sealing detecting equipment and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106353051A true CN106353051A (en) | 2017-01-25 |
Family
ID=57845018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610658588.9A Pending CN106353051A (en) | 2016-08-12 | 2016-08-12 | Sealing detecting equipment and method |
Country Status (1)
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| CN101750422A (en) * | 2010-01-07 | 2010-06-23 | 秦皇岛凯维科技有限公司 | On-line automatic detection device for glass defect |
| JP2013007597A (en) * | 2011-06-23 | 2013-01-10 | System Square Inc | Inspection device for package body |
| JP2013246106A (en) * | 2012-05-28 | 2013-12-09 | Sharp Corp | Conveyance unit, conveyance device, and inspection apparatus |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170406 Address after: 430000 Hubei province Wuhan City Jiang'an District liberation road No. 2159 Hankou East Star Space shopping park C2 Building 9 room 13 Applicant after: Hubei duck Technology Co., Ltd. Address before: 430000 Hubei province Wuhan Dongxihu Zoumaling Huitong Road No. 8-1 Applicant before: HUBEI ZHOUHEIYA FOOD INDUSTRIAL PARK CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |