CN110146505A - The multistage time for exposure detection method of pole piece material physical imperfection and equipment - Google Patents
The multistage time for exposure detection method of pole piece material physical imperfection and equipment Download PDFInfo
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- CN110146505A CN110146505A CN201910257821.6A CN201910257821A CN110146505A CN 110146505 A CN110146505 A CN 110146505A CN 201910257821 A CN201910257821 A CN 201910257821A CN 110146505 A CN110146505 A CN 110146505A
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- pole piece
- piece material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
-
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/888—Marking defects
-
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Multimedia (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a kind of multistage time for exposure detection method of pole piece material physical imperfection and equipment, comprising: hardware facility, comprising: computer, shooting module and conveyor module；The shooting module includes tripper, and the shooting module is for obtaining image data；And operating procedure: S1: pole piece material is sent into shooting station, is directed at shooting module, shooting module obtains the image frame of the current pole piece material of several width, and the one-to-one time for exposure segment of each image picture is respectively t1、t2、t3…tn, image data is converted by every piece image, is transferred to computer, is compared with the non-defective unit pole piece numberical range stored；S2: if comparing result is to note abnormalities, determine current pole piece material existing defects；If not yet finding defect, current pole piece material is discharged with non-defective unit.The present invention can avoid being easy to ignore under the premise of the single time for exposure a part of pole piece material with physical imperfection and happen.
Description
Technical field
The present invention relates to lithium battery pole sheet material quality inspection links apparatus field more particularly to a kind of pole piece material physical imperfections
Multistage time for exposure detection method and equipment.
Background technique
The pole piece material quality inspection links of lithium battery are to need to find and be transferred out with physical imperfection substandard products, above-mentioned object
Reason defect includes but is not limited to: depression defect, scratch defects, foreign matter attachment defect, edge defect etc..Especially for existing
Quality inspection equipment due to when taking pictures the time for exposure of camera it is uniform, certain physical imperfections positioned at pole piece material surface can be in list
It can be easy to be ignored in the case of one time for exposure, part is caused to be flowed into non-defective unit with the substandard products of defect.
Summary of the invention
For overcome the deficiencies in the prior art, it one of the objects of the present invention is to provide a kind of method, avoids in single exposure
It is easy to ignore a part of pole piece material with physical imperfection under the premise of between light time to happen；
The second object of the present invention, it is desirable to provide realize the device of the above method.
One of in order to achieve the object of the present invention, pole piece material physical imperfection of the present invention multistage time for exposure detection side
Method, comprising:
Hardware facility, comprising: computer, shooting module and conveyor module；The shooting module includes tripper, the bat
Module is taken the photograph for obtaining image data；The computer is used to differentiate current pole piece material category non-defective unit/substandard products according to image data；
And operating procedure:
S1: pole piece material is sent into shooting station, is directed at shooting module, shooting module obtains several current pole piece materials of width
Image frame, the one-to-one time for exposure segment of each image picture is respectively t1、t2、t3…tn, wherein n is natural number,
All time for exposure segments meet quantitative relation t1≠t2≠t3…≠tn；Image data is converted by every piece image, is transferred to
Computer is compared with the non-defective unit pole piece numberical range stored；
S2: if comparing result is to note abnormalities, determines current pole piece material existing defects, take intervening measure；If still
Defect is not found, then current pole piece material is discharged with non-defective unit.
Further, all time for exposure segments meet quantitative relation t1< t2< t3... < tn, wherein n=4.
Further, t1=1/250s, t2=1/125s, t3=1/60s, t4=1/30s.
Further, it between adjacent time for exposure segment, all has and waits interval time segment t ', so that when total shooting
Between T=t1+t’+t2+t’+t3t’+…+tn+t’。
5. the multistage time for exposure detection method of pole piece material physical imperfection as claimed in claim 4, it is characterised in that: t '
=1/4s.
Further, the tripper in hardware facility is rotating folding mechanism, and the rotating folding mechanism includes 6 and is in
The blade of central symmetry distribution.
Further, the intervening measure is substandard products label to be marked in current pole piece material, and pass through the conveying mould
The discharging of substandard products output channel possessed by block.
The second object of the present invention is realized in the following ways:
The multistage time for exposure detection device of pole piece material physical imperfection, rack, computer, shooting module, conveyor module, photograph
Bright module and electronic control module, the computer, shooting module, conveyor module and electronic control module are mounted in rack；The bat
Taking the photograph module includes tripper, for obtaining image data；The electronic control module and shooting module, conveyor module, lighting module
It is electrically connected；The computer is used to differentiate current pole piece material category non-defective unit/substandard products according to image data, with shooting module electricity
Property connection；
Pole piece material physical imperfection time for exposure detection device process for performing the following operations:
S1: pole piece material is sent into shooting station, is directed at shooting module, shooting module obtains several current pole piece materials of width
Image frame, the one-to-one time for exposure segment of each image picture is respectively t1、t2、t3…tn, wherein n is natural number,
All time for exposure segments meet quantitative relation t1≠t2≠t3…≠tn；Image data is converted by every piece image, is transferred to
Computer is compared with the non-defective unit pole piece numberical range stored；
S2: if comparing result is to note abnormalities, determines current pole piece material existing defects, take intervening measure；If still
Defect is not found, then current pole piece material is discharged with non-defective unit.
Further, the computer is equipped with image processing program, and electronic media possessed by the computer is stored with
Non-defective unit pole piece data model and non-defective unit pole piece numberical range.
Further, the conveyor module includes non-defective unit output channel and substandard products output channel.
Compared with prior art, the beneficial effects of the practice of the present invention is:
(1) the camera shutter time for exposure for avoiding existing quality inspection equipment is uniform, certain objects positioned at pole piece material surface
Defect is managed under the conditions of the single time for exposure, the situation being ignored generation can be easy to；
(2) the differential setting in time for exposure segment is reasonable, the physical imperfection that can allow various vision coboundaries fuzzyyer substantially
It can be identified by image processing program；
(3) simple for structure, it is easy to operate, it can be with application into other product quality equipment.
Detailed description of the invention
Fig. 1 is pole piece material surface physics defect situation schematic diagram；
Fig. 2 is the structural schematic diagram of hardware facility of the present invention；
In figure, 1, pole piece material；20, depression defect；21, scratch defects；22, foreign matter adheres to defect；23, edge defect.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
As shown in Figure 1 and Figure 2,1 surface physics defect of lithium battery pole sheet material includes but is not limited to: depression defect 20, scratch
Defect 21, foreign matter attachment defect 22, edge defect 23 etc..Existing, dependence takes pictures the mode for carrying out quality inspection due to camera shutter
Exposure rate be set as fixation, therefore when in face of characterizing different physical imperfection, it is most likely that can occur because of a certain exposure
Certain inapparent situations of physical imperfection under light rate.Computer is caused to fail defect recognition.
The present invention provides a kind of multistage time for exposure detection method of 1 physical imperfection of pole piece material, including but not limited to:
Hardware facility, including but not limited to: computer, shooting module and conveyor module；The shooting module includes shutter
Mechanism, the tripper are rotating folding mechanism, and the rotating folding mechanism includes the blade of 6 distributions that are centrosymmetric,
All blades provide power by driving device, by an electric control module controls time for exposure；The shooting module is for obtaining image
Data；The computer, which is used to differentiate current pole piece material 1 according to image data, belongs to non-defective unit/substandard products；Specifically, computer is installed
There is image processing program, electronic media possessed by the computer is stored with non-defective unit pole piece data model and non-defective unit pole piece numerical value
Range.
And operating procedure:
S1: pole piece material 1 is sent into shooting station, is directed at shooting module, shooting module obtains several current pole piece materials of width
The image frame of material 1, the one-to-one time for exposure segment of each image picture is respectively t1、t2、t3…tn, wherein n is nature
Number, all time for exposure segments meet quantitative relation t1≠t2≠t3…≠tn；Image data is converted by every piece image, is passed
It is handed to computer, is compared with the non-defective unit pole piece numberical range stored；
S2: if comparing result is to note abnormalities, determining current 1 existing defects of pole piece material, take intervening measure, described
Intervening measure is substandard products label to be marked in current pole piece material 1, and lead to by the output of substandard products possessed by the conveyor module
Way discharging device.；If not yet finding defect, current pole piece material 1 is discharged with non-defective unit.
In order to embody stage time for exposure there are differential, it is found convenient for all kinds of physical imperfections, side as one preferred
Case, all time for exposure segments meet quantitative relation t1< t2< t3... < tn, wherein n=4.It may is that t in specific value1
=1/250s, t2=1/125s, t3=1/60s, t4=1/30s.
In view of tripper needs to be reset adjustment and computer disposal image data takes, as it is a kind of preferably
Scheme, between adjacent time for exposure segment, all have and wait interval time segment t ', so that total shooting time T=t1+t’
+t2+t’+t3t’+…+tn+t'.Specifically, t '=1/4s.When can all be reserved to handle every piece image of current pole piece material
Between.
Present invention simultaneously provides a kind of 1 physical imperfection time for exposure of pole piece material detection devices, comprising: rack, computer,
Shooting module, conveyor module, lighting module and electronic control module, the computer, shooting module, conveyor module and electronic control module are equal
It is installed in rack；The shooting module includes tripper, for obtaining image data；The electronic control module and shooting mould
Block, conveyor module, lighting module are electrically connected；The computer, which is used to differentiate current pole piece material 1 according to image data, to be belonged to
Non-defective unit/substandard products is electrically connected with shooting module；
1 physical imperfection time for exposure of pole piece material detection device process for performing the following operations:
S1: pole piece material 1 is sent into shooting station, is directed at shooting module, shooting module obtains several current pole piece materials of width
The image frame of material 1, the one-to-one time for exposure segment of each image picture is respectively t1、t2、t3…tn, wherein n is nature
Number, all time for exposure segments meet quantitative relation t1≠t2≠t3…≠tn；Image data is converted by every piece image, is passed
It is handed to computer, is compared with the non-defective unit pole piece numberical range stored；
S2: if comparing result is to note abnormalities, determines current 1 existing defects of pole piece material, take intervening measure；If still
Defect is not found, then current pole piece material 1 is discharged with non-defective unit.
As a preferred solution, the computer is equipped with image processing program, electronics possessed by the computer
Media storage has non-defective unit pole piece data model and non-defective unit pole piece numberical range.
As a preferred solution, the conveyor module includes non-defective unit output channel and substandard products output channel.
It is certain to be located at pole piece material 1 present invention effectively prevents the camera shutter time for exposure of existing quality inspection equipment is uniform
The physical imperfection on surface can be easy to the situation being ignored generation under the conditions of the single time for exposure；Meanwhile it is of the invention
Rationally, the physical imperfection that can allow various vision coboundaries fuzzyyer substantially can be by image for the differential setting in time for exposure segment
Reason procedure identification comes out.Device structure is succinct, easy to operate, can be with application into other product quality equipment.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. the multistage time for exposure detection method of pole piece material physical imperfection, it is characterised in that: include:
Hardware facility, comprising: computer, shooting module and conveyor module；The shooting module includes tripper, the shooting mould
Block is for obtaining image data；The computer is used to differentiate current pole piece material category non-defective unit/substandard products according to image data；
And operating procedure:
S1: pole piece material is sent into shooting station, is directed at shooting module, shooting module obtains the figure of the current pole piece material of several width
As picture, the one-to-one time for exposure segment of each image picture is respectively t1、t2、t3…tn, wherein n is natural number, is owned
Time for exposure segment meets quantitative relation t1≠t2≠t3…≠tn；Image data is converted by every piece image, is transferred to calculating
Machine is compared with the non-defective unit pole piece numberical range stored；
S2: if comparing result is to note abnormalities, determines current pole piece material existing defects, take intervening measure；If not yet sending out
Existing defect, then current pole piece material is discharged with non-defective unit.
2. the multistage time for exposure detection method of pole piece material physical imperfection as described in claim 1, it is characterised in that: all exposures
Segment meets quantitative relation t between light time1< t2< t3... < tn, wherein n=4.
3. the multistage time for exposure detection method of pole piece material physical imperfection as claimed in claim 2, it is characterised in that: t1=1/
250s, t2=1/125s, t3=1/60s, t4=1/30s.
4. the multistage time for exposure detection method of pole piece material physical imperfection as described in claim 1, it is characterised in that: adjacent
It between time for exposure segment, all has and waits interval time segment t ', so that total shooting time T=t1+t’+t2+t’+t3t’+…
+tn+t’。
5. the multistage time for exposure detection method of pole piece material physical imperfection as claimed in claim 4, it is characterised in that: t '=1/
4s。
6. the multistage time for exposure detection method of pole piece material physical imperfection as described in claim 1, it is characterised in that: hardware is set
Tripper in applying is rotating folding mechanism, and the rotating folding mechanism includes the blade of 6 distributions that are centrosymmetric.
7. the multistage time for exposure detection method of pole piece material physical imperfection as described in claim 1, it is characterised in that: described dry
Pre- measure is substandard products label to be marked in current pole piece material, and go out by substandard products output channel possessed by the conveyor module
Material.
8. pole piece material physical imperfection time for exposure detection device characterized by comprising rack, computer, shooting module,
Conveyor module, lighting module and electronic control module, the computer, shooting module, conveyor module and electronic control module are mounted on machine
On frame；The shooting module includes tripper, for obtaining image data；The electronic control module and shooting module, conveying mould
Block, lighting module are electrically connected；The computer is used to differentiate current pole piece material category non-defective unit/substandard products according to image data,
It is electrically connected with shooting module；
Pole piece material physical imperfection time for exposure detection device process for performing the following operations:
S1: pole piece material is sent into shooting station, is directed at shooting module, shooting module obtains the figure of the current pole piece material of several width
As picture, the one-to-one time for exposure segment of each image picture is respectively t1、t2、t3…tn, wherein n is natural number, is owned
Time for exposure segment meets quantitative relation t1≠t2≠t3…≠tn；Image data is converted by every piece image, is transferred to calculating
Machine is compared with the non-defective unit pole piece numberical range stored；
S2: if comparing result is to note abnormalities, determines current pole piece material existing defects, take intervening measure；If not yet sending out
Existing defect, then current pole piece material is discharged with non-defective unit.
9. pole piece material physical imperfection time for exposure detection device as claimed in claim 8, it is characterised in that: the computer
Image processing program is installed, electronic media possessed by the computer is stored with non-defective unit pole piece data model and non-defective unit pole piece
Numberical range.
10. pole piece material physical imperfection time for exposure detection device as claimed in claim 8, it is characterised in that: the conveying
Module includes non-defective unit output channel and substandard products output channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257821.6A CN110146505A (en) | 2019-04-01 | 2019-04-01 | The multistage time for exposure detection method of pole piece material physical imperfection and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257821.6A CN110146505A (en) | 2019-04-01 | 2019-04-01 | The multistage time for exposure detection method of pole piece material physical imperfection and equipment |
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| CN110146505A true CN110146505A (en) | 2019-08-20 |
Family
ID=67589355
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| CN201910257821.6A Pending CN110146505A (en) | 2019-04-01 | 2019-04-01 | The multistage time for exposure detection method of pole piece material physical imperfection and equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024000514A1 (en) * | 2022-06-30 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | Electrode plate test apparatus, method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284431A (en) * | 2011-04-28 | 2011-12-21 | 河南科技大学 | On-line detection grading device for lithium ion battery pole piece and method thereof |
| CN102308201A (en) * | 2008-12-24 | 2012-01-04 | 斯奈克玛 | Method for the non-destructive inspection of a mechanical part |
| CN102601061A (en) * | 2012-03-23 | 2012-07-25 | 杭州师范大学 | Automatic sorting device for defective products of pole pieces of timers |
| CN108287166A (en) * | 2018-03-27 | 2018-07-17 | 苏州奥兰迪尔自动化设备有限公司 | A kind of lithium battery pole slice surface defects detection image documentation equipment |
| CN108333188A (en) * | 2018-02-01 | 2018-07-27 | 天津力神电池股份有限公司 | A kind of online apparent visual detection device of battery pole piece |
-
2019
- 2019-04-01 CN CN201910257821.6A patent/CN110146505A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308201A (en) * | 2008-12-24 | 2012-01-04 | 斯奈克玛 | Method for the non-destructive inspection of a mechanical part |
| CN102284431A (en) * | 2011-04-28 | 2011-12-21 | 河南科技大学 | On-line detection grading device for lithium ion battery pole piece and method thereof |
| CN102601061A (en) * | 2012-03-23 | 2012-07-25 | 杭州师范大学 | Automatic sorting device for defective products of pole pieces of timers |
| CN108333188A (en) * | 2018-02-01 | 2018-07-27 | 天津力神电池股份有限公司 | A kind of online apparent visual detection device of battery pole piece |
| CN108287166A (en) * | 2018-03-27 | 2018-07-17 | 苏州奥兰迪尔自动化设备有限公司 | A kind of lithium battery pole slice surface defects detection image documentation equipment |
Non-Patent Citations (2)
| Title |
|---|
| 付争方等: "多尺度细节融合的多曝光高动态图像重建", 《计算机工程与应用》 * |
| 陈海永 等: "单光谱多曝光焊缝图像动态均质化补偿技术", 《上海交通大学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024000514A1 (en) * | 2022-06-30 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | Electrode plate test apparatus, method and system |
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Application publication date: 20190820 |