CN208654043U - A kind of lithium electrode piece coating line sweeps vision inspection apparatus - Google Patents
A kind of lithium electrode piece coating line sweeps vision inspection apparatus Download PDFInfo
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- CN208654043U CN208654043U CN201820620844.XU CN201820620844U CN208654043U CN 208654043 U CN208654043 U CN 208654043U CN 201820620844 U CN201820620844 U CN 201820620844U CN 208654043 U CN208654043 U CN 208654043U
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- inspection apparatus
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Abstract
The utility model provides a kind of lithium electrode piece coating line and sweeps vision inspection apparatus.Camera is swept using line and realizes the detection of the defects of lithium battery polar plate coating process；The line sweeps camera and is connected with trigger signal generator, and receiver signal, and is acquired line by line according to the signal to coating surface image, and the data processing unit by connecting carries out splicing and defect recognition to the image of acquisition.The production efficiency and detection accuracy in lithium electrode plate coating manufacturing process can be improved.
Description
Technical field
The utility model relates to lithium battery manufacturing field, in particular to automation inspection is felt in a kind of lithium electrode piece coating line pan
Survey device and method.
Background technique
Core component of the power battery as new energy industry, quality safety are particularly important.Battery pole piece is lithium-ion electric
The critical component in pond, in order to improve the production efficiency, meet demand amount, the coating process of battery pole plates mainly use flowing water linear
Formula, and be coated with instrument and also start to develop to high speed, wide cutization.But in the coating process of battery pole plates, due to coating process
Limitation, cause battery pole plates surface to will appear dew foil, fold, hole, the coating defects such as crack.The quality of coating, as electricity
One key factor of pond pole plate quality, further influences safety and performance of battery and other issues.It therefore, can be accurate
The coating defects for detecting battery pole plates to guarantee pole plate the quality of production it is most important.
Currently, pole coating defect detects by artificial observation method in most of battery production factories, China, when detecting
When larger defect, then stop being coated with assembly line, and marking of defects position.This conventional method not only inefficiency, and due to
Pole piece is easy to appear visual fatigue in high-speed motion, artificial detection in coating process, can not find defect in time, or is easy to neglect
Slightly smaller defect.Therefore, artificial detection method can not adapt to the mass production of battery pole piece, and automatic detection device is to electricity
Pond pole plate coating quality plays the role of key.
Using method that machine vision technique detects related defects, high-precision untouchable with its and high speed are obtained
Extensive engineer application is arrived.There are also the related applications in the field of coating detection in recent years, but generally use area array cameras
Image is acquired, and associated disadvantages are analyzed by industrial personal computer.But since area array cameras is when acquiring the object of high-speed mobile,
Being limited etc. by frame per second influences, and imaging is easy to produce smear.Meanwhile such method, due to resolution ratio limitation, detection accuracy needs
It improves.
Utility model content
The utility model provides a kind of coating detection device and detection method that camera realization is swept using line.Device benefit
Camera and coaxial light source are swept with line, mounting means is that scan line is vertical with workpiece motion s direction, realizes progressive scan in real time.Due to
A linear image is once only acquired, imaging time is short, is greatly improved detection efficiency and detection accuracy.
In order to achieve the above objectives, the utility model provides following technical scheme.
A kind of line sweeps coating detection device, including line sweeps camera, further includes: the coaxial light source below camera is swept positioned at line,
Its optical axis and image center are coaxial, and perpendicular to examined object surface；Light source controller, for driving above-mentioned coaxial light source simultaneously
Adjust its brightness；Trigger signal generator sweeps the trigger signal of camera for generating line.The module and coating machine motor encoder disk
It is connected, by calculating the corresponding relationship between coating movement velocity and code-disc output pulse, combining camera sensor pixels are big
Small and required precision generates camera trigger signal；Data processing module identifies associated disadvantages for handling camera acquisition data；
Data storage cell, for storing processing result；Alarm unit, for providing sound and light of alarm.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art does simple introduction, it should be apparent that, the attached drawing in description is that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with
Other accompanying drawings can also be obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram that coating detection device is felt in line provided by the embodiment of the utility model pan.
Fig. 2 is that coating detection device schematic illustration is felt in line provided by the embodiment of the utility model pan.
Specific embodiment
In order to make the purpose of this utility model, technical solution and a little clearer, implement below with reference to the utility model
Attached drawing in example, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, described reality
A part of the embodiment that example is only the utility model is applied, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As depicted in figs. 1 and 2, the utility model provides a kind of line pan feel coating automatic detection device embodiment.
As shown in Figure 1, coating automatic detection device is felt in line pan, using line-scan digital camera 1, cooperate coaxial light source 2, it is real
Now to the acquisition line by line of the visual information of coating surface 3.
As shown in Fig. 2, line pan feels that coating automatic detection device includes: that line sweeps camera 1, coaxial light source 2, light source control
Device 3, camera trigger signal generator 4, data processing unit 6, data storage cell 7 and alarm unit 8 processed are constituted.
Specifically, line described in Fig. 2 sweeps camera 1, camera is swept for technical grade line, can be required according to detection accuracy, is selected
Suitable resolution ratio.
Coaxial light source 2 described in Fig. 2 are industrial vision light source, can select suitable light wave according to detection surface features
It is long.
Light source controller 3 described in Fig. 2 provide the power supply supply of coaxial light source, and can be provided by data processing unit 6
Control signal, carry out brightness adjustment.
The generator of camera trigger signal described in Fig. 24 receives and comes from external 5 photoelectric code of coating machine roller motor driver
The signal of disk is required according to detection velocity accuracy etc., pulse signal needed for generating camera acquisition.
The motor driver of coating machine roller described in Fig. 25, the equipment to control the operating of roller motor on existing equipment, one
As be servo-driver, with absolutely or relative encoder, and exportable encoder pulse signal.
Data processing unit 6 described in Fig. 2 can be the common industrial personal computer based on X86-based, or the insertion based on ARM
Formula system receives the image information for sweeping the progressive scan of camera 1 from line, runs corresponding image mosaic and recognizer, realizes
The detection of defect.
Data storage cell 7 described in Fig. 2 receive the processing result from data processing unit 6, and are stored.
Alarm unit 8 described in Fig. 2 receive the control instruction from data processing unit 6, and provide sound-light alarm function
Energy.
At work, camera trigger signal generator 4 receives the photoelectric code disk letter from coating machine roller motor driven 5
Number, according to prior by calculating determining transformational relation, corresponding pulse signal is generated, and input line sweeps camera 1.Line sweeps camera
1 acquires have been coated with polar board surface via what coaxial light source illuminated line by line, and the information input data processing unit 6 of acquisition is carried out
Corresponding image mosaic and defect recognition.Recognition result will be stored to data storage cell 7, if recognition result belongs to predefined
Significant deficiency, then control alarm unit 8, realize sound-light alarm output.
In the present embodiment, the line sweeps the camera lens (attached drawing that camera also needs to determine relevant parameter according to visual field requirement etc.
It does not indicate).
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations.Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
It states technical solution documented by each embodiment to modify, or part of technical characteristic is replaced on an equal basis, and these
Modifications or substitutions, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. a kind of lithium electrode piece coating line sweeps vision inspection apparatus, it is characterised in that: sweep camera using line and realize lithium battery polar plate
The detection of the defects of coating process；The line sweeps camera and is connected with trigger signal generator, and receiver signal, and according to the letter
Number coating surface image is acquired line by line, and the data processing unit by connecting is spliced and lacked to the image of acquisition
Fall into identification.
2. lithium electrode piece coating line according to claim 1 sweeps vision inspection apparatus, it is characterised in that: camera trigger signal
Generator is connect with external coating machine roller motor driver photoelectric code disk, is required according to detection velocity accuracy etc., is generated camera
Pulse signal needed for acquisition.
3. lithium electrode piece coating line according to claim 1 sweeps vision inspection apparatus, it is characterised in that: data processing unit
Camera is swept with line to be connected, and is received the image information for sweeping camera progressive scan from line, is run corresponding image mosaic and identification
Algorithm.
4. lithium electrode piece coating line according to claim 1 sweeps vision inspection apparatus, it is characterised in that: including light source control
Device, and be connected with coaxial light source, Uniform Illumination is provided for coating surface.
5. lithium electrode piece coating line according to claim 1 sweeps vision inspection apparatus, it is characterised in that: stored including data
Unit and alarm unit, and be connected with data processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820620844.XU CN208654043U (en) | 2018-04-27 | 2018-04-27 | A kind of lithium electrode piece coating line sweeps vision inspection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820620844.XU CN208654043U (en) | 2018-04-27 | 2018-04-27 | A kind of lithium electrode piece coating line sweeps vision inspection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208654043U true CN208654043U (en) | 2019-03-26 |
Family
ID=65775417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820620844.XU Expired - Fee Related CN208654043U (en) | 2018-04-27 | 2018-04-27 | A kind of lithium electrode piece coating line sweeps vision inspection apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN208654043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408566A (en) * | 2022-01-28 | 2022-04-29 | 天津市海迅科技发展有限公司 | Visual detection platform and detection system |
| CN114923930A (en) * | 2022-03-31 | 2022-08-19 | 广州超音速自动化科技股份有限公司 | Detection device and method for detecting lithium deposition condition of battery pole piece by using line scanning camera |
-
2018
- 2018-04-27 CN CN201820620844.XU patent/CN208654043U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408566A (en) * | 2022-01-28 | 2022-04-29 | 天津市海迅科技发展有限公司 | Visual detection platform and detection system |
| CN114408566B (en) * | 2022-01-28 | 2024-04-05 | 天津市海迅科技发展有限公司 | Visual detection platform and detection system |
| CN114923930A (en) * | 2022-03-31 | 2022-08-19 | 广州超音速自动化科技股份有限公司 | Detection device and method for detecting lithium deposition condition of battery pole piece by using line scanning camera |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20190427 |