CN109668832A - Cellular li-ion battery surface bulge detection device and its method based on subregion light source - Google Patents
Cellular li-ion battery surface bulge detection device and its method based on subregion light source Download PDFInfo
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- CN109668832A CN109668832A CN201910092096.1A CN201910092096A CN109668832A CN 109668832 A CN109668832 A CN 109668832A CN 201910092096 A CN201910092096 A CN 201910092096A CN 109668832 A CN109668832 A CN 109668832A
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- light source
- cellular
- ion battery
- computer terminal
- subregion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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Abstract
A kind of cellular li-ion battery surface bulge detection device based on subregion light source, including subregion light source, industrial camera, light source controller and computer terminal；Image pick-up card is integrated in computer terminal；Industrial camera is arranged above subregion light source, is connected by cable with image pick-up card；Industrial camera is used to acquire the image of cellular li-ion battery to be measured；Described image capture card is used to industrial camera acquired image data being converted to the identifiable data format in computer terminal.Subregion light source is divided into n region, and the lighting of each region is closed and can individually be controlled by light source controller with brightness.The present invention can solve the problem of front light source can not distinguish cellular li-ion battery bulge region very well, the light and shade of the bulge region of cellular li-ion battery on the image is made to become obvious by the light source of subregion light source igniting different zones, be conducive to image procossing, extract bulge region.
Description
Technical field
The invention belongs to field of machine vision, especially a kind of cellular li-ion battery surface bulge detection based on subregion light source
Device and method.
Background technique
Current cellular li-ion battery bulge problem mainly passes through front light source and carries out polishing, carries out image procossing after taking pictures
Method, but front light source can not highlight the bulge situation of cellular li-ion battery well, if front light source is too bright, bulge area
Domain and non-bulge region are all beaten bright, can not correctly extract, if front light source is too dark, then can not extract bulge area at all
Domain.So front light source is not suitable for the bulge detection of the cellular li-ion battery based on machine vision.
Summary of the invention
To solve the defect that front light source in the prior art can not highlight the bulge of cellular li-ion battery well, the present invention is mentioned
For a kind of cellular li-ion battery surface bulge detection device and its method based on subregion light source.
A kind of cellular li-ion battery surface bulge detection device based on subregion light source, including subregion light source, industrial camera, light
Source controller and computer terminal；Image pick-up card is integrated in the computer terminal；The industrial camera is arranged in subregion light source
Top is connected by cable with image pick-up card；The subregion light source is simulated by light source controller to be controlled or by computer end
End digital controlled light source controller is controlled.
The light source controller is used to receive the lighting of signal control partition light source different zones of computer terminal, closes and
Brightness；
Described image capture card is used to industrial camera acquired image data being converted to the identifiable number in computer terminal
According to format.
Further, industrial lens have been connected through a screw thread on the industrial camera.
Further, the subregion light source is divided into n region (region 1, region 2 ... region n), the point in each region
Bright, closing can individually be controlled with brightness by light source controller.
Further, when the industrial lens can not focus, can be arranged between the industrial camera and industrial lens
Extended loop.
A kind of detection method of the cellular li-ion battery surface bulge detection device based on subregion light source, comprising the following steps:
1), computer terminal issues signal, is lighted by 1 region of light-source controller controls subregion source region；
2), industrial camera is taken pictures, and image pick-up card acquires the data of industrial camera, is converted to the identifiable number in computer terminal
According to；
3), after the completion of data conversion, computer terminal saves picture and verifies to picture；
4) after preservation picture and computer terminal verify successfully, computer terminal control partition light source region is closed, same to time point
Bright subsequent region, and so on, after region n is closed, judgement, which is taken pictures, to be finished；
5), computer terminal carries out next step image procossing.
Further, keep cellular li-ion battery position to be measured constant in the detection process.
The utility model has the advantages that the present invention can solve the problem of front light source can not distinguish cellular li-ion battery bulge region very well,
By the light source of subregion light source igniting different zones the light and shade of the bulge region of cellular li-ion battery on the image is become
Obviously, be conducive to image procossing, extract bulge region.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the cellular li-ion battery surface bulge detection device of the invention based on subregion light source:
Fig. 2 is the structure of the subregion light source of the cellular li-ion battery surface bulge detection device of the invention based on subregion light source
Schematic diagram (by taking the quartering as an example)；
Fig. 3 is the testing process of the cellular li-ion battery surface bulge detection device based on subregion light source in the embodiment of the present invention
Figure；
Wherein: 101- industrial camera, 102- industrial lens, 103- subregion light source, 104- light source controller, 105- image are adopted
Truck, the computer terminal 106-, 107- cellular li-ion battery to be measured；The region 201- 1, the region 202- 2, the region 203- 3, the region 204- 4.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment
A kind of cellular li-ion battery surface bulge detection device based on subregion light source, including subregion light source 103, industrial camera
101, light source controller 104 and computer terminal 106；Image pick-up card 105 is integrated in computer terminal 106；Industrial camera 101 is set
It sets above subregion light source 102, is connected by cable and image pick-up card 105；Subregion light source 102 passes through light source controller 104
Simulation control is controlled by 106 digital controlled light source controller 104 of computer terminal.
Industrial lens 102 have been connected through a screw thread on industrial camera 101.
Industrial camera 101 is used for enlarged drawing for acquiring cellular li-ion battery image to be measured, industrial lens 102；Subregion light
Source 103 is used to highlight cellular li-ion battery bulge region shade distinctions with closing by lighting for different zones；Light source controller 104
For receiving the lighting of signal control partition light source different zones of computer terminal 106, closing and brightness；Image pick-up card 105
For the collected data of industrial camera 101 to be converted to the identifiable data format in computer terminal 106, cellular li-ion battery to be measured
107 be to need to detect whether the cellular li-ion battery there are bulge.
Subregion light source 102 is divided into 4 regions, respectively region 1, region 2, region 3 and region 4, each region it is bright
Degree and switch can individually be controlled by light source controller 104.
When industrial lens 102 can not focus, extended loop can be set between industrial camera 101 and industrial lens 102.
A kind of detection method of the cellular li-ion battery surface bulge detection device based on subregion light source, comprising the following steps:
1), computer terminal initializes, and subregion light source is closed, if i=1；Signal is issued, light-source controller controls subregion is passed through
It lights in the region 1 of source region；
2), industrial camera is taken pictures, and image pick-up card acquires the data of industrial camera, is converted to the identifiable number in computer terminal
According to；
3), after the completion of data conversion, computer terminal saves picture and verifies to picture；
4) after preservation picture and computer terminal verify successfully, computer terminal control partition light source region is closed, same to time point
Bright area 2, and so on, after region n is closed, judgement, which is taken pictures, to be finished；
5), computer terminal carries out next step image procossing.
Keep cellular li-ion battery position to be measured constant in the detection process.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of cellular li-ion battery surface bulge detection device based on subregion light source, which is characterized in that including subregion light source, work
Industry camera, light source controller and computer terminal；Image pick-up card is integrated in the computer terminal；
The industrial camera is arranged above subregion light source, is connected by cable with image pick-up card；The industrial camera is used for
Acquire the image of cellular li-ion battery to be measured；
The light source controller be used to receive the lighting of signal control partition light source different zones of computer terminal, close with it is bright
Degree；
Described image capture card is used to industrial camera acquired image data being converted to the identifiable data lattice in computer terminal
Formula.
2. the cellular li-ion battery surface bulge detection device based on subregion light source as described in claim 1, which is characterized in that institute
It states and has been connected through a screw thread industrial lens on industrial camera.
3. the cellular li-ion battery surface bulge detection device based on subregion light source as described in claim 1, which is characterized in that institute
It states subregion light source and is divided into n region, the lighting of each region is closed and can individually be controlled by light source controller with brightness
System.
4. the cellular li-ion battery surface bulge detection device based on subregion light source as claimed in claim 2, which is characterized in that institute
It states and is provided with extended loop between industrial camera and industrial lens.
5. the detection method of the cellular li-ion battery surface bulge detection device as claimed in claim 3 based on subregion light source, special
Sign is, comprising the following steps:
1), computer terminal issues signal, is lighted by 1 region of light-source controller controls subregion source region；
2), industrial camera is taken pictures, and image pick-up card acquires the data of industrial camera, is converted to the identifiable data in computer terminal；
3), after the completion of data conversion, computer terminal saves picture and verifies to picture；
4) after preservation picture and computer terminal verify successfully, computer terminal control partition light source region is closed, while being lighted down
One region, and so on, after region n is closed, judgement, which is taken pictures, to be finished；
5), computer terminal carries out next step image procossing.
6. the detection method of the cellular li-ion battery surface bulge detection device as claimed in claim 3 based on subregion light source, special
Sign is, keeps cellular li-ion battery position to be measured constant in the detection process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910092096.1A CN109668832A (en) | 2019-01-30 | 2019-01-30 | Cellular li-ion battery surface bulge detection device and its method based on subregion light source |
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| CN201910092096.1A CN109668832A (en) | 2019-01-30 | 2019-01-30 | Cellular li-ion battery surface bulge detection device and its method based on subregion light source |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110044921A (en) * | 2019-04-28 | 2019-07-23 | 江苏理工学院 | Lithium battery open defect detection system and method |
| CN110057289A (en) * | 2019-04-25 | 2019-07-26 | 江苏理工学院 | Multiple light courcess locating and detecting device and its control method before a kind of lithium battery pole slice welds |
| CN110304464A (en) * | 2019-07-19 | 2019-10-08 | 秦皇岛信智信息技术有限公司 | A kind of wheel hub robot palletizer |
| CN114862854A (en) * | 2022-07-07 | 2022-08-05 | 上海群乐船舶附件启东有限公司 | Ship electrical accessory defect detection method |
| CN116182731A (en) * | 2023-04-26 | 2023-05-30 | 苏州易来科得科技有限公司 | Monitoring method and monitoring system for battery bulge |
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| CN103234974A (en) * | 2013-03-27 | 2013-08-07 | 湖南大学 | Lithium battery non-destructive detection method |
| CN103872983A (en) * | 2014-04-04 | 2014-06-18 | 天津市鑫鼎源科技发展有限公司 | Device and method for detecting defects on surface of solar cell |
| CN208013385U (en) * | 2017-10-24 | 2018-10-26 | 东莞市安德丰电池有限公司 | A kind of photoelectric detection system of lithium battery bulge |
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- 2019-01-30 CN CN201910092096.1A patent/CN109668832A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103234974A (en) * | 2013-03-27 | 2013-08-07 | 湖南大学 | Lithium battery non-destructive detection method |
| CN103872983A (en) * | 2014-04-04 | 2014-06-18 | 天津市鑫鼎源科技发展有限公司 | Device and method for detecting defects on surface of solar cell |
| CN208013385U (en) * | 2017-10-24 | 2018-10-26 | 东莞市安德丰电池有限公司 | A kind of photoelectric detection system of lithium battery bulge |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057289A (en) * | 2019-04-25 | 2019-07-26 | 江苏理工学院 | Multiple light courcess locating and detecting device and its control method before a kind of lithium battery pole slice welds |
| CN110044921A (en) * | 2019-04-28 | 2019-07-23 | 江苏理工学院 | Lithium battery open defect detection system and method |
| CN110304464A (en) * | 2019-07-19 | 2019-10-08 | 秦皇岛信智信息技术有限公司 | A kind of wheel hub robot palletizer |
| CN110304464B (en) * | 2019-07-19 | 2021-04-09 | 秦皇岛信智信息技术有限公司 | Wheel hub pile up neatly machine people |
| CN114862854A (en) * | 2022-07-07 | 2022-08-05 | 上海群乐船舶附件启东有限公司 | Ship electrical accessory defect detection method |
| CN116182731A (en) * | 2023-04-26 | 2023-05-30 | 苏州易来科得科技有限公司 | Monitoring method and monitoring system for battery bulge |
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Application publication date: 20190423 |