CN107767370A - Utilize the method, apparatus and system of machine vision technique inspection carrier band sealing - Google Patents
Utilize the method, apparatus and system of machine vision technique inspection carrier band sealing Download PDFInfo
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- CN107767370A CN107767370A CN201710916700.9A CN201710916700A CN107767370A CN 107767370 A CN107767370 A CN 107767370A CN 201710916700 A CN201710916700 A CN 201710916700A CN 107767370 A CN107767370 A CN 107767370A
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- carrier band
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30148—Semiconductor; IC; Wafer
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
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Abstract
This application provides the method for checking the sealing when product is sealed on carrier band, including：For the carrier band picture for the carrier band for having completed sealing, the first and second picture elements of the carrier band picture checked respectively positioned at first and second in window are obtained, the first and second inspections window is arranged to the both sides up and down for being located at the pockets of the carrier band picture and the respectively preset distance of border first and second with the pockets；It is determined that the number of the zone boundary in the first and second acquired picture elements；And the number of the zone boundary in first and second picture element determined by being based at least partially on, determine whether the product hermeticity on the carrier band is qualified.Using this method, the error rate of product hermeticity inspection can be efficiently reduced.
Description
Technical field
The application is usually directed to product encapsulation field, is used to utilize machine vision technique inspection more particularly, to one kind
The method, apparatus and system of sealing when product is sealed on carrier band.
Background technology
In Electronic products manufacturing field, such as field of semiconductor devices, packaging and testing are completed to electronic product and passed through
After properties of product qualification checks, it usually needs electronic product is sealed on carrier band using sealer, i.e. put electronic product
Put in the pocket on carrier band and sealed using cover strip.This sealer is widely used in different industrial circles,
Especially semiconductor industry.
However, in the practical application of different field, how this sealer solves due to sealing linear sealing if all facing
It is bad and the problem of bring, such as, yield loss, client's complaint, product recall etc., so as to have impact on the brand of enterprise and
Income.
In order to solve the above problems, a kind of NI Vision Builder for Automated Inspection is designed to check the airtight quality of carrier band.In the machine
In vision system, the carrier band image of encapsulation process is completed using camera captured in real-time, from captured carrier band image
The carrier band picture for having completed encapsulation process is obtained, then to the picture in inspection window in acquired carrier band picture
Element is analyzed to measure the position data at cover strip edge, and by the position data at measured cover strip edge and default threshold
Value scope is compared.When the position data at measured cover strip edge is not within preset threshold range, it is determined that carrier band
Sealing is unqualified.However, in this NI Vision Builder for Automated Inspection, if the position of search box is put incorrect, cover strip is unjustified
Or lose, then leak check mistake can occur.
The content of the invention
In view of the above problems, this application provides a kind of for checking the sealing when product is sealed on carrier band
Method, apparatus and system.Using this method, apparatus and system, by via the first He positioned at the pockets both sides of carrier band
Second checks window to obtain the first and second picture elements respectively, it is determined that being wrapped in the first and second acquired picture elements
The number of the zone boundary contained, and the number of identified zone boundary and predetermined threshold value are compared to determine on carrier band
Whether product hermeticity is qualified, can efficiently reduce the error rate of product hermeticity inspection.
According to the one side of the application, there is provided a kind of to be used to check the sealing when product is sealed on carrier band
Method, including：For the carrier band picture for the carrier band for having completed sealing, obtain and checked respectively positioned at first and second in window
The carrier band picture the first and second picture elements, the first and second inspections window is arranged to respectively positioned at described
Carry the both sides up and down of the pockets of picture, and the border first of the first inspection window and the pockets
Preset distance, and the preset distance of border second of the second inspection window and the pockets；It is it is determined that acquired
The first and second picture elements in zone boundary number；And described first and the determined by being based at least partially on
The number of zone boundary in two picture elements, determine whether the product hermeticity on the carrier band is qualified.
Preferably, in an example of above-mentioned aspect, it is based at least partially on identified first and second figure
The number of zone boundary in piece element, determining whether the product hermeticity on the carrier band is qualified can include：Determined
First and second picture element in the number of zone boundary when being equal to predeterminable area border quantity threshold, determine institute
The product hermeticity stated on carrier band is qualified, or the number of the zone boundary in identified first and second picture element
When any one in mesh is not equal to the predeterminable area border quantity threshold, determine that the product hermeticity on the carrier band does not conform to
Lattice.
Preferably, in an example of above-mentioned aspect, described first checks window and/or described second checks window
Size can be set according to the device parameter of water-tight equipment.
Preferably, in an example of above-mentioned aspect, it is determined that the region in the first and second acquired picture elements
The number on border can include：Identify each shade of gray region in the first and second acquired picture elements；And base
In the shade of gray region identified, the number of the zone boundary in first and second picture element is determined, wherein, the ash
Gradient region includes at least one of following：Carry shade of gray region, seal line shade of gray region and cover strip shade of gray region.
Preferably, in an example of above-mentioned aspect, methods described can also include：It is determined that with the sealing that is identified
The adjacent shade of gray region in line shade of gray region, and it is based at least partially on identified first and second picture element
In zone boundary number, check that the product hermeticity on the carrier band includes：In identified first and second figure
The number of zone boundary in piece element be equal to predeterminable area border quantity threshold and identified adjacent shade of gray region all
When being the cover strip shade of gray region, determine that the product hermeticity on the carrier band is qualified；Otherwise, it determines the production on the carrier band
Product sealing is unqualified.
Preferably, in an example of above-mentioned aspect, methods described can also include：Detect the close of the carrier band picture
The seal line sealed in line shade of gray region is less than the part of predetermined threshold with the presence or absence of width；And detecting the seal line
When seal line in shade of gray region has the part that width is less than the predetermined threshold, the product sealing on the carrier band is determined
Property is unqualified.
Preferably, in an example of above-mentioned aspect, the seal line shade of gray region is from respectively via described
One and second checks what is identified in first and second picture element that window obtains, or from respectively via the 3rd He
Identified in the third and fourth picture element that 4th inspection window obtains, wherein, described third and fourth checks window point
Not Wei Yu it is described carrier band picture pockets both sides up and down, it is described 3rd check window and the pockets edge phase
Away from the 3rd preset distance, and the preset distance of border the 4th of the 4th inspection window and the pockets, and
Described third and fourth checks size of the window on the direction of transfer identical direction with product much larger than described first or the
Two check the size of window.
Preferably, in an example of above-mentioned aspect, methods described can also include：Obtain and check window positioned at the 5th
5th picture element of the interior carrier band picture, the described 5th checks that window is located at and the carrier band pocket in the carrier band picture
Opening position corresponding to region；Identify the pre-position in the 5th picture element with the presence or absence of predetermined mark；And institute
When stating pre-position the predetermined mark is not present, determine that the placement of the product makes a mistake.
Preferably, in an example of above-mentioned aspect, methods described can also include：It is determined that production on the carrier band
When product sealing is unqualified, generate for indicating the underproof warning information of product hermeticity on the carrier band；And notice
The warning information generated.
Preferably, in an example of above-mentioned aspect, before first and second picture element is obtained, the side
Method can also include：The carrier band picture for having completed sealing is included on the display unit of tightness checking device, wherein, institute
State being each located on the display unit in the first to the 5th inspection window.
According to the another aspect of the application, there is provided a kind of to be used to check the sealing when product is sealed on carrier band
Device, including：Picture element acquiring unit, for the carrier band picture of the carrier band for having completed sealing, obtain position respectively
Window is checked in the first and second picture elements that first and second check the carrier band picture in window, described first and second
Mouth be arranged to respectively positioned at it is described carrier band picture pockets both sides up and down, and it is described first check window with it is described
The preset distance of border first of pockets, and the described second border for checking window and the pockets
Two preset distances；Zone boundary number decision unit, for determining the regional edge in the first and second acquired picture elements
The number on boundary；And leak check unit, for being based at least partially on identified first and second picture element
In zone boundary number, determine whether the product hermeticity on the carrier band qualified.
Preferably, in an example of above-mentioned aspect, the leak check unit is used for：Identified described
One and the number of the zone boundary in second picture element when being equal to predeterminable area border quantity threshold, determine on the carrier band
Product hermeticity it is qualified, or appointing in the number of zone boundary in identified first and second picture element
What one when being not equal to the predeterminable area border quantity threshold, determines that the product hermeticity on the carrier band is unqualified.
Preferably, in an example of above-mentioned aspect, the zone boundary number decision unit can include：Shade of gray
Region identification module, for identifying each shade of gray region in the first and second acquired picture elements；And region
Border number determining module, for based on the shade of gray region identified, determining the area in first and second picture element
The number on domain border, wherein, the shade of gray region includes at least one of following：Carry shade of gray region, seal line ash
Gradient region and cover strip shade of gray region.
Preferably, in an example of above-mentioned aspect, described device can also include：Adjacent shade of gray region determines single
Member, for determining the shade of gray region adjacent with the seal line shade of gray region identified, and the leak check unit
For：The number of zone boundary in identified first and second picture element is equal to predeterminable area border number
Threshold value and when identified adjacent shade of gray region is all the cover strip shade of gray region, determines the product sealing on the carrier band
Property is qualified；Otherwise, it determines the product hermeticity on the carrier band is unqualified.
Preferably, in an example of above-mentioned aspect, described device can also include：Seal line width detection unit,
The seal line in seal line shade of gray region for detecting the carrier band picture is less than the portion of predetermined threshold with the presence or absence of width
Point, and the leak check unit is used for seal line in the seal line shade of gray region is detected width to be present small
When the part of the predetermined threshold, determine that the product hermeticity on the carrier band is unqualified.
Preferably, in an example of above-mentioned aspect, the seal line shade of gray region is from respectively via described
One and second checks what is identified in first and second picture element that window obtains, or from respectively via the 3rd He
Identified in the third and fourth picture element that 4th inspection window obtains, wherein, described third and fourth checks window point
Not Wei Yu it is described carrier band picture pockets both sides up and down, it is described 3rd check window and the pockets edge phase
Away from the 3rd preset distance, and the preset distance of border the 4th of the 4th inspection window and the pockets, and
Described third and fourth checks size of the window on the direction of transfer identical direction with product much larger than described first or the
Two check the size of window.
Preferably, in an example of above-mentioned aspect, the picture element acquiring unit, which is additionally operable to obtain, is located at the 5th
The 5th picture element of the carrier band picture in window is checked, the described 5th checks that window is located at carries in picture with described
Opening position corresponding to pocket area is carried, and described device also includes：Predetermined mark recognition unit, for identifying the described 5th
Pre-position in picture element is with the presence or absence of predetermined mark；And product places detection unit, in the pre-determined bit
Place is put when the predetermined mark is not present, determines that the placement of the product makes a mistake.
Preferably, in an example of above-mentioned aspect, described device can also include：Warning information generation unit, use
In when it is determined that the product hermeticity on the carrier band is unqualified, generate for indicating that the product hermeticity on the carrier band does not conform to
The warning information of lattice；And notification unit, for notifying generated warning information.
Preferably, in an example of above-mentioned aspect, described device can also include：Picture acquiring unit is carried, is used
The carrier band picture of sealing has been completed in acquisition.
Preferably, in an example of above-mentioned aspect, described device can also include：Display unit, for showing
Through completing the carrier band picture of sealing, wherein, described first to the 5th checks being each located on the display unit in window.
According to the another aspect of the application, there is provided a kind of computing device, including：One or more processors, memory,
The memory store instruction, when the instruction is by one or more of computing devices so that one or more of
Computing device is used for the method for checking the sealing being sealed to product on carrier band as described above.
In an example of above-mentioned aspect, the computing device can also include：Display unit, it is complete for showing
Into the carrier band picture of sealing, wherein, described first to the 5th checks being each located on the display unit in window.
According to the another aspect of the application, there is provided a kind of non-transitory machinable medium, it is stored with executable
Instruction, the instruction cause the machine execution is used to check as described above product is sealed on carrier band upon being performed
The method of sealing.
According to the another aspect of the application, there is provided a kind of product sealing system, including it is as described above for checking production
Product are sealed to the device of the sealing on carrier band.
Using the present processes, apparatus and system, by respectively via positioned at the first of the pockets both sides of carrier band
Check that window obtains the first and second picture elements with second, it is determined that included in the first and second acquired picture elements
The number of zone boundary, and the number of identified zone boundary and predetermined threshold value are compared to the product on determination carrier band
Whether sealing is qualified, can efficiently reduce the error rate of product hermeticity inspection.
Using the present processes, apparatus and system, first and are set by the device parameter according to water-tight equipment
Two check the size of windows, can avoid the error rate for the product hermeticity inspection that the device parameter due to water-tight equipment brings.
Using the present processes, apparatus and system, by based on identified zone boundary number and seal line ash
Whether the adjacent shade of gray in gradient region is all cover strip gray-scale level region to determine whether the product hermeticity on carrier band is qualified, can
Effectively to determine that seal line is entirely located in the underproof situation of product hermeticity in carrier band region, so as to further improve production
The accuracy of product leak check.
Using the present processes, apparatus and system, by further checking whether the width of seal line is less than predetermined threshold
Value, can effectively determine the underproof situation of the narrow product hermeticity of seal line, so as to further improve product sealing
The accuracy of property inspection.
Using the present processes, apparatus and system, by further determining that picture element corresponding to carrier band pocket area
Place is with the presence or absence of predetermined mark, it may be determined that goes out product and places the situation to make a mistake.
Brief description of the drawings
By referring to following accompanying drawing, it is possible to achieve further understood for the nature and advantages of present disclosure.
In accompanying drawing, similar assembly or feature can have identical reference.
Fig. 1 shows the structured flowchart of the sealer according to the application；
Fig. 2 shows the operational flowchart of the sealer according to the application；
Fig. 3 shows one that is used to check the method for the sealing when product is sealed into carrier band according to the application
The flow chart of example；
Fig. 4 shows the schematic diagram of an example of the arrangement of the inspection window according to the application；
Fig. 5 shows the flow chart of an example of the method for determining zone boundary number；
Fig. 6 shows the schematic diagram of another example of the arrangement of the inspection window according to the application；
Fig. 7 shows one that is used to check the device of the sealing when product is sealed into carrier band according to the application
The block diagram of example；
Fig. 8 shows the flow chart of an example of the unit for determining zone boundary number；
Fig. 9 shows the another of the method for the sealing for inspection when product is sealed into carrier band according to the application
The flow chart of example；
Figure 10 shows the another of the device of the sealing for inspection when product is sealed into carrier band according to the application
The block diagram of one example；With
Figure 11 shows the square frame of another example of the device for checking the sealing when product is sealed into carrier band
Figure.
Embodiment
Theme described herein is discussed referring now to example embodiment.It should be understood that discuss these embodiments only
It is that be better understood when in order that obtaining those skilled in the art so as to realize theme described herein, is not to claim
The limitation of the protection domain, applicability or the example that are illustrated in book.The protection domain of present disclosure can not departed from
In the case of, the function of element and arrangement discussed is changed.Each example can be as needed, omit, substitute or
Add various processes or component.For example, described method can perform according to described order different, with
And each step can be added, omits or combine.In addition, the feature described by some relative examples is in other examples
It can be combined.
As used in this article, term " comprising " and its modification represent open term, are meant that " including but is not limited to ".
Term "based" represents " being based at least partially on ".Term " one embodiment " and " embodiment " expression " at least one implementation
Example ".Term " another embodiment " expression " at least one other embodiment ".Term " first ", " second " etc. may refer to not
Same or identical object.Other definition can be included below, it is either clear and definite or implicit.It is unless bright in context
Really indicate, otherwise the definition of a term is consistent throughout the specification.
Presently in connection with accompanying drawing come describe the method for being used to check sealing when product is sealed into carrier band of the application,
The embodiment of apparatus and system.
Fig. 1 shows the structured flowchart of the product sealing system 10 according to the application.Fig. 2 shows the production according to the application
The operational flowchart of product sealing system 10.
As shown in figure 1, product sealing system 10 includes fixture 110, conveyer belt 120, sealing device 130 and leak check
Device 140.
At work, fixture 110 takes out product to be sealed from charging tray, is moved to the top of carrier band, and by product
It is put into the pocket of carrier band, it is as 3. shown in 1. arrived in Fig. 2.One example of fixture 110 can be mechanical arm etc..The load
Band is placed on conveyer belt 120, is for example transmitted by conveyer belt 120 according to predetermined transfer rate.For example, conveyer belt
120, according to set rate, carry to transmit in a stepping manner.
It is close when the carrier band that product is placed with pocket and is covered by cover strip is moved to the working region of sealing device 130
Cover strip is sealed on carrier band by seal apparatus 130, as 4. shown in Fig. 2.One example of sealing device 130 can be sealed knife.
The example of the sealing technology can include glue envelope, heat-sealing etc..Herein, sealing device 130 can use known in this field
Other sealing technologies sealed.After cover strip is sealed on carrier band by sealing device 130, tightness checking device 140
Sealing when product is sealed into carrier band is checked, as 5. shown in Fig. 2.If leak check is unqualified, need
Sealing is re-started by sealing device 130, untill leak check is qualified.
Fig. 3 shows one that is used to check the method for the sealing when product is sealed into carrier band according to the application
The flow chart of example.
As shown in figure 3, in block S310, the carrier band picture of the carrier band for having completed sealing, obtain positioned at first and the
Two check the first and second picture elements of the carrier band picture in window, and the first and second inspections window is arranged to
Respectively positioned at the both sides up and down of the pockets for carrying picture, and described first checks window and the pockets
The preset distance of border first, and the second pre- spacing of border of the second inspection window and the pockets
From.Here, it is described first and second check window can respectively positioned at it is described carrier band picture pockets both sides up and down and
With any position of the border preset distance of the pockets.Preferably, described first and second check that window can be with
Positioned at the surface of the pockets and underface.In addition, for first check the first preset distance of window with for the
Second preset distance of two inspection windows be able to can also be differed with identical.Preferably, it is pre- for the first of the first inspection window
Set a distance is identical with the second preset distance that window is checked for second.Described first checks that window and described second checks
Window can be of the same size or different sizes.Here, the size for checking window and preset distance are by user
Pre-set, it can be fixed value, for example, the empirical value that user is set, can also modify according to actual conditions.Institute
State and check that the size of window and preset distance are normally provided as that the load in the qualified carrier picture of leak check can be included
Region, seal line region and cover strip region.In the example of the application, carrier band region, seal line region and cover strip area
The shade of gray between any two in domain is different from.In another example of the application, seal line region and carrier band region
Shade of gray can also be identical.Fig. 4 shows the schematic diagram of an example of the arrangement of the inspection window according to the application.Scheming
In 4, the first and second inspection windows are shown.
Here, the carrier band picture for having completed the carrier band of sealing is the picture frame of the carrier band image obtained in real time by interception
And the picture obtained.The carrier band image can be for example by camera captured in real-time.In the example of the application,
Methods described can also include：The carrier band image for the carrier band for having completed sealing is obtained in real time.In addition, methods described can also wrap
Include：The carrier band image of the carrier band for having completed sealing to obtaining in real time is handled to obtain carrier band picture.
Moreover it is preferred that methods described can also include：The carrier band picture of the carrier band of sealing, which will have been completed, to be included close
On the display unit of envelope property check device.The display unit for example can be display screen.At this moment, described first and first check
Can each be located on the display unit in window.Furthermore it is preferred that methods described can also include：To described aobvious
Show that the initial position of the carrier band picture shown on unit carries out accommodation.
After the first and second picture elements are obtained as above, in frame 320, it is determined that the first and second acquired picture elements
In zone boundary number.Here, zone boundary refers to the border between different colours or shade of gray region, for example carries area
Border between domain and seal line region, carries the border between region and cover strip region, seal line region and cover strip region it
Between border etc..
Fig. 5 shows the flow chart of an example of the method for determining zone boundary number.As shown in figure 5, in frame
321, identify each shade of gray region in the first and second acquired picture elements.Here, the shade of gray region can
With including at least one of following：Carry shade of gray region, seal line shade of gray region and cover strip shade of gray region.Then,
In frame 323, based on the shade of gray region identified, the number of the zone boundary in first and second picture element is determined.
It will be clear that Fig. 5 is only the example for being used to determine the process of zone boundary number of the application.For determining
The method of zone boundary number can also be realized using the other manner that this area is applicable.
The first and second picture elements obtained in windows are checked for first and second shown in Fig. 4, are identified
The number of zone boundary is all 3, i.e. between the border, cover strip region and seal line region between carrier band region and cover strip region
Border and seal line region and cover strip region between border.The qualified situation of product hermeticity is illustrated that in Fig. 4.
In the case of other products sealing is unqualified, the number of the zone boundary identified can be 0,1 or 2
It is individual.It is such as narrow in cover strip so that cover strip is positioned at inspection window (such as first or second inspection window) and seal line
When region is identical with the shade of gray in carrier band region, the number for the zone boundary identified is 0.One in seal line region
Overlapping margins and seal line region between border and carrier band region and cover strip region are in carrier band region, and seal line area
When domain is identical with the shade of gray in carrier band region, the number for the zone boundary identified is 1.In carrier band region, seal line area
The shade of gray between any two in domain and cover strip region is different from and seal line region is across carrier band region and cover strip area
When between domain, the number for the zone boundary identified is 2.
After zone boundary number is as above identified, in frame 330, identified described first is based at least partially on
With the number of the zone boundary in second picture element, determine whether the product hermeticity on the carrier band is qualified.Specifically, exist
When the number of zone boundary in identified first and second picture element is equal to predeterminable area border quantity threshold,
Determine that the product hermeticity on the carrier band is qualified, or the regional edge in identified first and second picture element
When any one in the number on boundary is not equal to the predeterminable area border quantity threshold, the product sealing on the carrier band is determined
Property is unqualified.In the example of the application, predeterminable area border quantity threshold is equal to 3.
Moreover it is preferred that in the example of the application, methods described can also include：Detect the carrier band picture
Seal line shade of gray region in seal line with the presence or absence of width be less than predetermined threshold part；It is and described close detecting
When seal line in envelope line shade of gray region has the part that width is less than the predetermined threshold, the product on the carrier band is determined
Sealing is unqualified.Here, the seal line shade of gray region is from respectively via the described first and second inspection windows acquisitions
First and second picture element in identify.
Moreover it is preferred that in the example of the application, described first checks window and/or the second inspection window
The size of mouth can be set according to the device parameter of water-tight equipment.The device parameter for example can be that water-tight equipment performs
Spacing between the hole in seal line obtained after seal operation.For example, due on water-tight equipment seal after the completion of in seal line
On can exist according to identical spacing arrange space, in order to prevent these spaces positioned at first or second inspection window in and produce
Error, the size of the described first and/or second inspection window can be chosen less than the spacing.In such a situation it is preferred to
Ground, in the example of the application, it is also provided with the third and fourth inspection window.Described third and fourth checks window
It is arranged such that the described 3rd preset distance of border the 3rd for checking window and the pockets, and the described 4th
Check the preset distance of border the 4th of window and the pockets, and described third and fourth check window with production
Size on the direction of transfer identical direction of product checks the size of window much larger than described first and second.For example, described
Three and the 4th inspection window be arranged to respectively positioned at it is described carrier band picture pockets both sides up and down and respectively with it is described
The preset distance of border third and fourth of pockets, and the size on the direction of transfer identical direction with product
It is the several times of the described first and second sizes for checking window.At this moment, the seal line region for detecting sealing line width is
Identified from the third and fourth picture element obtained respectively via the third and fourth inspection window.Fig. 6 shows basis
The schematic diagram of another example of the arrangement of the inspection window of the application.In fig. 6 it is shown that first to the 4th checks window.
Moreover it is preferred that in the example of the application, methods described can also include：Obtain and checked positioned at the 5th
5th picture element of the carrier band picture in window, the described 5th checks that window is located at and the carrier band in the carrier band picture
Opening position corresponding to pocket area；Identify the pre-position in the 5th picture element with the presence or absence of predetermined mark；And
When the predetermined mark is not present in the pre-position, determine that the placement of the product makes a mistake.Here, it is described predetermined
Mark for example can be for identifying the placement location of product or the designator in direction.For example, it is electronics member device in the product
In the case of part (or chip), the predetermined mark can be the identifier for the position of identification pine 1, such as triangle mark
Note.
Moreover it is preferred that in the example of the application, methods described can also include：It is determined that on the carrier band
Product hermeticity it is unqualified when, generate for indicating the underproof warning information of product hermeticity on the carrier band；And
The generated warning information of notice.Here, the warning information for example can be text alert information, picture warning information, light
Learn warning information or audible alarm information etc..The notice can be display text alert information, picture warning information, optics announcement
Alert information plays audible alarm information etc. or sends text alert information, picture warning information, optics announcement to user
Alert information plays audible alarm information to be shown at user.
Fig. 7 is shown according to the device for being used to check sealing when product is sealed into carrier band of the application (hereafter
In be referred to as tightness checking device 140) an example block diagram.As shown in fig. 7, tightness checking device 140 includes figure
Piece element acquiring unit 141, zone boundary number decision unit 143 and leak check unit 145.
Picture element acquiring unit 141 is used for the carrier band picture of the carrier band for having completed sealing, and acquisition is located at respectively
First and second check the first and second picture elements of the carrier band picture in window, and described first and second check window
It is arranged to the both sides up and down of the pockets positioned at the carrier band picture, and described first checks window and the pocket
The preset distance of border first divided, and the border second of the second inspection window and the pockets are predetermined
Distance.Preferably, described first and second check that window can be located at the surface and underface of the pockets.In addition,
Check that the first preset distance of window and the second preset distance for the second inspection window can be with identical for first, can also
Differ.Preferably, second preset distance of the first preset distance of window with checking window for second is checked for first
It is identical.The first inspection window and the second inspection window are of the same size or different sizes.Here, institute
State the size for checking window and preset distance is pre-set by user, it can be fixed value, for example, the warp that user is set
Value is tested, can also be modified according to actual conditions.The size for checking window and preset distance are normally provided as can
Include carrier band region, seal line region and the cover strip region in the qualified carrier picture of leak check.At one of the application
In example, the shade of gray between any two in carrier band region, seal line region and cover strip region is different from.In the application
Another example in, seal line region with carry region shade of gray can also be identical.
Moreover it is preferred that in another example of the application, tightness checking device 140 can also include carrier band picture
Acquiring unit (not shown), for obtaining the carrier band picture for the carrier band for having completed sealing.For example, carrier band picture acquiring unit pair
The carrier band image of the carrier band for having completed to seal obtained in real time is handled to obtain carrier band picture.In addition, leak check
Device 140 can also include carrier band image acquisition unit (not shown), for obtaining the load for the carrier band for having completed sealing in real time
Band image.
Moreover it is preferred that in the example of the application, tightness checking device 140 can also include display unit
(not shown)：For showing the carrier band picture for the carrier band for having completed sealing.The display unit for example can be display screen.This
When, described first to the 5th checks can each be located on the display unit in window.
Zone boundary number decision unit 143 is used to determine the zone boundary in the first and second acquired picture elements
Number.In the example of the application, zone boundary number decision unit 143 includes shade of gray region identification module 1431
With zone boundary data determining module 1435.Shade of gray region identification module 1431 is used to identify acquired first and second
Each shade of gray region in picture element.The shade of gray region includes at least one of following：Carrier band shade of gray region,
Seal line shade of gray region and cover strip shade of gray region.Zone boundary data determining module 1435 is used for based on the GTG identified
Region is spent, determines the number of the zone boundary in first and second picture element.
Leak check unit 145 is used to be based at least partially in identified first and second picture element
The number of zone boundary, determine whether the product hermeticity on the carrier band is qualified.In identified first and second figure
When the number of zone boundary in piece element is equal to predeterminable area border quantity threshold, leak check unit 145 determines institute
The product hermeticity stated on carrier band is qualified.In the number of zone boundary in identified first and second picture element
Any one when being not equal to the predeterminable area border quantity threshold, leak check unit 145 is determined on the carrier band
Product hermeticity is unqualified.Preferably, presumptive area border quantity threshold is equal to 3.
Preferably, in the example of the application, tightness checking device 140 can also include seal line width detection
Unit (not shown), the seal line in seal line shade of gray region for detecting the carrier band picture are less than with the presence or absence of width
The part of predetermined threshold.Width be present and be less than the predetermined threshold in the seal line in the seal line shade of gray region is detected
Part when, leak check unit 145 determines that the product hermeticity on the carrier band is unqualified.Here, the seal line ash
Gradient region is identified from first and second picture element obtained respectively via the described first and second inspection windows
Go out.
Moreover it is preferred that in the example of the application, described first checks window and/or the second inspection window
The size of mouth can be set according to the device parameter of water-tight equipment.For example, due to existing on water-tight equipment according to identical
Space away from arrangement, in order to prevent space in the first or second inspection window being present and produce error, described first and/or second
The spacing can be chosen less than by checking the size of window.In that case it is preferable that in the example of the application
In, it is also provided with the third and fourth inspection window.The third and fourth inspection window is arranged such that the described 3rd
The preset distance of border the 3rd of window and the pockets is checked, and the described 4th checks window and the pocket
The preset distance of border the 4th divided, and described third and fourth checks window in the direction of transfer identical side with product
Upward size checks the size of window much larger than described first and second.At this moment, picture element acquiring unit 141 respectively via
Third and fourth checks that window obtains the third and fourth picture element, and shade of gray identification module 1431 is from the acquired the 3rd
With seal line shade of gray region is identified in the 4th picture element.
Moreover it is preferred that in the example of the application, can also with the carrier band pocket region in the carrier band picture
Opening position corresponding to domain sets the 5th to check window.In this case, picture element acquiring unit 141 is additionally operable to acquisition and is located at
5th checks the 5th picture element of the carrier band picture in window.Tightness checking device can also include：Predetermined mark
Recognition unit (not shown), for identifying the pre-position in the 5th picture element with the presence or absence of predetermined mark；And
Product places detection unit (not shown), during for the predetermined mark to be not present in the pre-position, determines the production
The placement of product makes a mistake.
Moreover it is preferred that in the example of the application, tightness checking device 140 can also include warning information
Generation unit (not shown), it is used to indicate the load for when it is determined that the product hermeticity on the carrier band is unqualified, generating
The underproof warning information of product hermeticity taken；And notification unit (not shown), for notifying generated alarm letter
Breath.
Fig. 9 shows the another of the method for the sealing for inspection when product is sealed into carrier band according to the application
The flow chart of example.Fig. 9 is the modification of the example to being shown in Fig. 3.
As shown in figure 9, first, in block S910, the carrier band picture of the carrier band for having completed sealing, obtain position respectively
Window is checked in the first and second picture elements that first and second check the carrier band picture in window, described first and second
Mouth is arranged to the both sides up and down for being located at the pockets of the carrier band picture and the respectively border with the pockets
First and second preset distances.
Then, in block S920, the shade of gray region in the first and second picture elements is identified.The shade of gray region includes
Carry the one or more in shade of gray region, seal line shade of gray region and cover strip shade of gray region.
After shade of gray region is identified, in block S930, the number of the zone boundary in the first and second picture elements is determined
Mesh.Then, in block S940, the adjacent shade of gray region in seal line shade of gray region is determined.
Then, in block S950, the zone boundary number being based at least partially in the first and second picture elements and close
The adjacent shade of gray region in line region is sealed, it is determined that whether the product hermeticity on carrier band is qualified.Specifically, identified described
The number of zone boundary in first and second picture elements is equal to predeterminable area border quantity threshold and identified adjacent
When shade of gray region is all the cover strip shade of gray region, determine that the product hermeticity on the carrier band is qualified.Otherwise, it determines institute
The product hermeticity stated on carrier band is unqualified.
It will be clear that the various modifications for the method described in Fig. 3 are equally applicable to side described in Fig. 9
Method.
Figure 10 is shown according to the device for being used to check sealing when product is sealed into carrier band of the application (hereafter
Referred to as tightness checking device 140 ') another example block diagram.As shown in Figure 10, tightness checking device 140 ' includes figure
Piece element acquiring unit 141, zone boundary number decision unit 143, adjacent shade of gray area determination unit 144 and sealing inspection
Verification certificate member 145 '.Here, the phase in picture element acquiring unit 141 and zone boundary number decision unit 143 and Fig. 7 and Fig. 8
It should describe identical, no longer describe herein.
Adjacent shade of gray area determination unit 144 is used to determine the GTG adjacent with the seal line shade of gray region identified
Spend region.After the adjacent shade of gray region of seal line shade of gray is determined, leak check unit 145 ' carries out product sealing
Property inspection.Specifically, the number of the zone boundary in identified first and second picture element is equal to preset areas
Domain border quantity threshold and when identified adjacent shade of gray region is all the cover strip shade of gray region, leak check unit
145 ' determine that the product hermeticity on the carrier band is qualified.Otherwise, leak check unit 145 ' determines the production on the carrier band
Product sealing is unqualified.
Above with reference to Fig. 1 to Figure 10, to being used for sealing of the inspection when product is sealed into carrier band according to the application
The embodiment of method and device be described.Tightness checking device recited above can use hardware to realize, also may be used
Realized with combination using software or hardware and software.
In this application, tightness checking device 140 can utilize computing device to realize.Figure 11 is shown according to the application
Embodiment computing device 1100 block diagram.According to one embodiment, computing device 1100 can include one or more
Processor 1102, processor 1102 perform the storage in computer-readable recording medium (that is, memory 1104) or encode one
Individual or multiple computer-readable instructions (that is, the above-mentioned element realized in a software form).
In one embodiment, computer executable instructions are stored in memory 1104, it causes one when implemented
Or multiple processors 1102：For the carrier band picture for the carrier band for having completed sealing, obtain and checked respectively positioned at first and second
First and second picture elements of the carrier band picture in window, the first and second inspections window are arranged to position respectively
In it is described carrier band picture pockets both sides up and down, and it is described first check window and the pockets edge phase
Away from the first preset distance, and the preset distance of border second of the second inspection window and the pockets；It is determined that
The number of zone boundary in the first and second acquired picture elements；And described the determined by being based at least partially on
One and the number of the zone boundary in second picture element, determine whether the product hermeticity on the carrier band is qualified.
It should be understood that the computer executable instructions stored in memory 1104 cause one or more places when implemented
Manage in each embodiment of the progress the application of device 1102 above in association with Fig. 1-10 various operations described and function.
Moreover it is preferred that the computing device can also include：Display unit, the load of sealing is completed for showing
The carrier band picture of band, wherein, described first to the 5th checks being each located on the display unit in window.
According to one embodiment, there is provided a kind of program product of such as non-transitory machine readable media.It is described non-temporary
When property machine readable media can have instruction (that is, the above-mentioned element realized in a software form), and the instruction, which is worked as, to be executable by a machine
When so that machine is performed in each embodiment of the application above in association with Fig. 1-10 various operations described and function.
The embodiment illustrated above in conjunction with accompanying drawing describes exemplary embodiment, it is not intended that can realize
Or fall into all embodiments of the protection domain of claims." exemplary " meaning of term used in whole this specification
Taste " being used as example, example or illustration ", is not meant to than other embodiments " preferably " or " having advantage ".For offer pair
The purpose of the understanding of described technology, embodiment include detail.However, it is possible in these no details
In the case of implement these technologies.In some instances, it is public in order to avoid causing indigestion to the concept of described embodiment
The construction and device known is shown in form of a block diagram.
The foregoing description of present disclosure is provided so that any those of ordinary skill in this area can realize or make
Use present disclosure.To those skilled in the art, the various modifications carried out to present disclosure are apparent
, also, can also be in the case where not departing from the protection domain of present disclosure, should by generic principles defined herein
For other modifications.Therefore, present disclosure is not limited to examples described herein and design, but disclosed herein with meeting
Principle and novel features widest scope it is consistent.
Claims (24)
1. a kind of method for being used to check the sealing when product is sealed on carrier band, including：
For the carrier band picture for the carrier band for having completed sealing, the load checked respectively positioned at first and second in window is obtained
The first and second picture elements with picture, the first and second inspections window are arranged to be located at the carrier band picture respectively
Pockets both sides up and down, and the described first the first pre- spacing of border for checking window and the pockets
From, and the preset distance of border second of the second inspection window and the pockets；
It is determined that the number of the zone boundary in the first and second acquired picture elements；And
The number of zone boundary in first and second picture element determined by being based at least partially on, determines the load
Whether the product hermeticity taken is qualified.
2. first and second picture element determined by being the method for claim 1, wherein based at least partially on
In zone boundary number, determine product hermeticity on the carrier band it is whether qualified including：
The number of zone boundary in identified first and second picture element is equal to predeterminable area border number
During threshold value, determine that the product hermeticity on the carrier band is qualified, or
Any one in the number of zone boundary in identified first and second picture element is not equal to described
During the quantity threshold of predeterminable area border, determine that the product hermeticity on the carrier band is unqualified.
3. the method for claim 1, wherein size of the first inspection window and/or the second inspection window
It is to be set according to the device parameter of water-tight equipment.
4. the method for claim 1, wherein determine the zone boundary in the first and second acquired picture elements
Number includes：
Identify each shade of gray region in the first and second acquired picture elements；And
Based on the shade of gray region identified, the number of the zone boundary in first and second picture element is determined,
Wherein, the shade of gray region includes at least one of following：Carry shade of gray region, seal line shade of gray region and
Cover strip shade of gray region.
5. method as claimed in claim 4, in addition to：
It is determined that the shade of gray region adjacent with the seal line shade of gray region identified, and
The number of zone boundary in first and second picture element determined by being based at least partially on, checks the load
The product hermeticity taken includes：
The number of zone boundary in identified first and second picture element is equal to predeterminable area border number
Threshold value and when identified adjacent shade of gray region is all the cover strip shade of gray region, determines the product sealing on the carrier band
Property is qualified；
Otherwise, it determines the product hermeticity on the carrier band is unqualified.
6. the method as described in claim 1, in addition to：
Detect the portion that the seal line in the seal line shade of gray region of the carrier band picture is less than predetermined threshold with the presence or absence of width
Point；And
When the seal line in detecting the seal line shade of gray region has the part that width is less than the predetermined threshold, really
Product hermeticity on the fixed carrier band is unqualified.
7. method as claimed in claim 6, wherein, the seal line shade of gray region is from respectively via described first and
Identified in first and second picture element that two inspection windows obtain, or from respectively via the third and fourth inspection
Look into the third and fourth picture element of window acquisition what is identified,
Wherein, described third and fourth window is checked respectively positioned at the both sides up and down of the pockets for carrying picture, it is described
3rd checks the preset distance of border the 3rd of window and the pockets, and the described 4th checks window and the mouth
The preset distance of border the 4th of bag portion point, and described third and fourth checks window identical with the direction of transfer of product
Direction on size much larger than described first or second check window size.
8. the method as described in claim 1, in addition to：
Obtain positioned at the 5th check window in the carrier band picture the 5th picture element, it is described 5th check window be located at
Opening position corresponding to carrier band pocket area in the carrier band picture；
Identify the pre-position in the 5th picture element with the presence or absence of predetermined mark；And
When the predetermined mark is not present in the pre-position, determine that the placement of the product makes a mistake.
9. the method as described in claim 1, in addition to：
When it is determined that the product hermeticity on the carrier band is unqualified, generate for indicating the product hermeticity on the carrier band not
Qualified warning information；And
The generated warning information of notice.
10. the method as described in any in claim 1 to 9, wherein, before first and second picture element is obtained,
Methods described also includes：
The carrier band picture for having completed sealing is included on the display unit of tightness checking device,
Wherein, described first to the 5th being each located on the display unit in window is checked.
11. a kind of device for being used to check the sealing when product is sealed on carrier band, including：
Picture element acquiring unit, for the carrier band picture of the carrier band for having completed sealing, acquisition is located at the first He respectively
Second checks the first and second picture elements of the carrier band picture in window, and the first and second inspections window is set
To be located at the both sides up and down of the pockets of the carrier band picture respectively, and described first checks window and the pockets
The preset distance of border first, and the described second the second pre- spacing of border for checking window and the pockets
From；
Zone boundary number decision unit, for determining the number of the zone boundary in the first and second acquired picture elements
Mesh；And
Leak check unit, for the regional edge being based at least partially in identified first and second picture element
The number on boundary, determine whether the product hermeticity on the carrier band is qualified.
12. device as claimed in claim 11, wherein, the leak check unit is used for：
The number of zone boundary in identified first and second picture element is equal to predeterminable area border number
During threshold value, determine that the product hermeticity on the carrier band is qualified, or
Any one in the number of zone boundary in identified first and second picture element is not equal to described
During the quantity threshold of predeterminable area border, determine that the product hermeticity on the carrier band is unqualified.
13. device as claimed in claim 11, wherein, the zone boundary number decision unit includes：
Shade of gray region identification module, for identifying each shade of gray area in the first and second acquired picture elements
Domain；And
Zone boundary number determining module, for based on the shade of gray region identified, determining the first and second pictures member
The number of zone boundary in element,
Wherein, the shade of gray region includes at least one of following：Carry shade of gray region, seal line shade of gray region and
Cover strip shade of gray region.
14. device as claimed in claim 13, in addition to：
Adjacent shade of gray area determination unit, for determining the shade of gray area adjacent with the seal line shade of gray region identified
Domain, and
The leak check unit is used for：
The number of zone boundary in identified first and second picture element is equal to predeterminable area border number
Threshold value and when identified adjacent shade of gray region is all the cover strip shade of gray region, determines the product sealing on the carrier band
Property is qualified；
Otherwise, it determines the product hermeticity on the carrier band is unqualified.
15. device as claimed in claim 13, in addition to：
Whether seal line width detection unit, the seal line in seal line shade of gray region for detecting the carrier band picture deposit
It is less than the part of predetermined threshold in width, and
Width be present and be less than in the seal line that the leak check unit is used in the seal line shade of gray region is detected
During the part of the predetermined threshold, determine that the product hermeticity on the carrier band is unqualified.
16. device as claimed in claim 15, wherein, the seal line shade of gray region is from respectively via first He
Identified in first and second picture element that second inspection window obtains, or from respectively via third and fourth
Check what is identified in the third and fourth picture element that window obtains,
Wherein, described third and fourth window is checked respectively positioned at the both sides up and down of the pockets for carrying picture, it is described
3rd checks the preset distance of border the 3rd of window and the pockets, and the described 4th checks window and the mouth
The preset distance of border the 4th of bag portion point, and described third and fourth checks window identical with the direction of transfer of product
Direction on size much larger than described first or second check window size.
17. device as claimed in claim 11, wherein, the picture element acquiring unit is additionally operable to obtain and checked positioned at the 5th
5th picture element of the carrier band picture in window, the described 5th checks that window is located at and the carrier band in the carrier band picture
Opening position corresponding to pocket area, and described device also include：
Predetermined mark recognition unit, for identifying the pre-position in the 5th picture element with the presence or absence of predetermined mark；
And
Product places detection unit, during for the predetermined mark to be not present in the pre-position, determines the product
Placement makes a mistake.
18. device as claimed in claim 11, in addition to：
Warning information generation unit, it is used to indicate institute for when it is determined that the product hermeticity on the carrier band is unqualified, generating
State the underproof warning information of product hermeticity on carrier band；And
Notification unit, for notifying generated warning information.
19. device as claimed in claim 11, in addition to：
Picture acquiring unit is carried, the carrier band picture of sealing has been completed for obtaining.
20. the device as described in any in claim 11 to 19, in addition to：
Display unit, the carrier band picture of sealing is completed for showing,
Wherein, described first to the 5th being each located on the display unit in window is checked.
21. a kind of computing device, including：
One or more processors,
Memory, the memory store instruction, when the instruction is by one or more of computing devices so that described
One or more processors perform the method as described in any in claim 1 to 10.
22. computing device as claimed in claim 21, in addition to：
Display unit, the carrier band picture of sealing is completed for showing,
Wherein, described first to the 5th being each located on the display unit in window is checked.
23. a kind of non-transitory machinable medium, it is stored with executable instruction, and the instruction causes upon being performed
The machine performs the method as described in any in claim 1 to 10.
24. a kind of product sealing system, including the device as described in any in claim 11 to 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710916700.9A CN107767370B (en) | 2017-09-30 | 2017-09-30 | Utilize the method, apparatus and system of machine vision technique inspection carrier band leakproofness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916700.9A CN107767370B (en) | 2017-09-30 | 2017-09-30 | Utilize the method, apparatus and system of machine vision technique inspection carrier band leakproofness |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102514767A (en) * | 2011-12-29 | 2012-06-27 | 天津普达软件技术有限公司 | Automatic detection device based on machine vision for defects of instant noodle sauce packets and method |
| CN104417788A (en) * | 2013-08-23 | 2015-03-18 | 天津森茂科技有限公司 | Small-sized packing horizontal sealing detection method and small-sized packing horizontal sealing detection system having quality tracing function |
| CN104792788A (en) * | 2015-03-18 | 2015-07-22 | 浙江野马电池有限公司 | Gluing visual detection method and device |
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2017
- 2017-09-30 CN CN201710916700.9A patent/CN107767370B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514767A (en) * | 2011-12-29 | 2012-06-27 | 天津普达软件技术有限公司 | Automatic detection device based on machine vision for defects of instant noodle sauce packets and method |
| CN104417788A (en) * | 2013-08-23 | 2015-03-18 | 天津森茂科技有限公司 | Small-sized packing horizontal sealing detection method and small-sized packing horizontal sealing detection system having quality tracing function |
| CN104792788A (en) * | 2015-03-18 | 2015-07-22 | 浙江野马电池有限公司 | Gluing visual detection method and device |
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