CN108627115A - Device and method for monitoring wavy edges of lithium battery pole piece on line - Google Patents
Device and method for monitoring wavy edges of lithium battery pole piece on line Download PDFInfo
- Publication number
- CN108627115A CN108627115A CN201810385278.3A CN201810385278A CN108627115A CN 108627115 A CN108627115 A CN 108627115A CN 201810385278 A CN201810385278 A CN 201810385278A CN 108627115 A CN108627115 A CN 108627115A
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- CN
- China
- Prior art keywords
- pole piece
- lithium battery
- battery pole
- line monitoring
- rippled edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 24
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000035807 sensation Effects 0.000 claims description 7
- 230000007723 transport mechanism Effects 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a device for monitoring the wavy edge of a lithium battery pole piece on line, which comprises a monitoring device and a control device, wherein the monitoring device is used for monitoring the wavy edge of the lithium battery pole piece on line; the transmission mechanism is used for transmitting the pole pieces; the light source is positioned on one side of the pole piece and used for emitting light to the pole piece along the width direction of the pole piece; the receiving screen is positioned on one side of the pole piece, which is far away from the light source, and is used for receiving the light and forming a shadow image; and the processor is used for acquiring the parameter information of each target in the shadow image, comparing the parameter information with a preset threshold value and determining whether to send out an alarm signal according to the comparison result. The invention has simple structure and convenient operation, and can effectively carry out on-line monitoring on the wavy edge of the lithium battery pole piece.
Description
Technical field
The present invention relates to the devices and side of field of lithium more particularly to a kind of on-line monitoring lithium battery pole slice rippled edge
Method.
Background technology
Lithium ion battery because of it with small light weight, pollution is small, energy density is high, self discharge coefficient is small and adapt to model
Enclose a series of excellent specific properties such as wide, it is of great interest in recent years and achieve rapid development.The slurry closed after starching is coated on
On aluminium or copper current collector, then cuts by drying, roll-in cutting, pole piece and cut lug and obtain the pole that can be wound
Piece.
It is limited to the coatability and stability of coating machine, state and surface density of coating etc. can be fluctuated, in addition material
Qu Yufei expects that area is stretched in drying stage and different material area's thickness of heating status will be different, and the wave that material area occurs rises
Volt, this fluctuating are further amplified using roll-in, form our common rippled edges.Rippled edge mostly occurs in the side of pole piece
Edge, the precision and excellent rate of meeting extreme influence winding, causes scrapping for material, and have great security risk.However, at present simultaneously
It is not directed to the detection method and measurement standard of rippled edge, therefore proposes the application.
Invention content
To solve technical problem present in background technology, the present invention proposes a kind of on-line monitoring lithium battery pole slice rippled edge
Device and method, effect is good.
A kind of device of on-line monitoring lithium battery pole slice rippled edge proposed by the present invention, including；
Transport mechanism, for transmitting pole piece；
Light source is located at the side of pole piece, emits beam to pole piece for the width direction along pole piece；
Receiving screen is located at side of the pole piece far from light source, for receiving above-mentioned light and forming shadow image；
Processor, the parameter information for obtaining each target in above-mentioned shadow image, by the parameter information and preset threshold
Value is compared, and is decided whether to send out alarm signal according to comparison result.
Preferably, the target is the wave crest or/and trough on pole piece.
Preferably, which is maximum height, maximum area, average height and the centre plane of protrusion or/and groove
Product.
Preferably, transport mechanism is that tension divides roller.
Preferably, light source is linear LED lamp tube.
Preferably, receiving screen is light sensation receiving device.
A method of on-line monitoring lithium battery pole slice rippled edge, including：
S1, transmission pole piece；
S2, it emits beam to pole piece along the width direction of pole piece；
S3, it receives above-mentioned light and forms shadow image；
S4, the parameter information for obtaining each target in above-mentioned shadow image, the parameter information and preset threshold value are compared
Compared with being decided whether to send out alarm signal according to comparison result.
Preferably, it is emitted beam using linear LED lamp tube.
Preferably, above-mentioned light is received using light sensation receiving device.
The present invention can effectively quantify pole piece rippled edge bumps degree, and be compared with the threshold value of setting,
To be fed back.On-line checking can be carried out, reflects the state of pole piece in real time, and sample interval can be set.
The configuration of the present invention is simple, it is easy to operate, effectively lithium battery pole slice rippled edge can be monitored on-line.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the device of on-line monitoring lithium battery pole slice rippled edge of the present invention
Fig. 2 is a kind of flow diagram of the method for on-line monitoring lithium battery pole slice rippled edge of the present invention.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutual combination；Below with reference to the accompanying drawings it elaborates to the present invention and in conjunction with the embodiments
Referring to Fig.1, the device of a kind of on-line monitoring lithium battery pole slice rippled edge proposed by the present invention, including；
Transport mechanism, for transmitting pole piece.
Light source is located at the side of pole piece, emits beam to pole piece for the width direction along pole piece.
Receiving screen is located at side of the pole piece far from light source, for receiving above-mentioned light and forming shadow image.
Processor 4, the parameter information for obtaining each target in above-mentioned shadow image, by the parameter information and preset threshold
Value is compared, and is decided whether to send out alarm signal according to comparison result.
In further embodiment, the target is the wave crest or/and trough on pole piece.
In further embodiment, which is the maximum height of protrusion or/and groove, maximum area, is averaged
Height and average area.
In further embodiment, transport mechanism is that tension divides roller 1.
In further embodiment, light source is linear LED lamp tube 2.
In further embodiment, receiving screen is light sensation receiving device 3.
Pole piece A is transmitted using tension segmentation roller, the width direction using linear LED lamp tube 2 along pole piece A sends out light to pole piece
Line, linear LED lamp tube 2 can send out the directional light of convergence.
Light sensation receiving device 3 can accurately incude the difference in brightness of light, due to having wave crest, trough, light sensation on pole piece
Shadow image can be formed on receiving device.
Processor 4 obtains above-mentioned shadow image medium wave peak, the height of trough, quantity, area, to which wave is calculated in processing
Peak, the maximum height of trough, maximum area, average height and average area, and by these parameter informations with it is corresponding preset
Threshold value is compared, and is decided whether to send out alarm signal according to comparison result.It can set, when maximum height, maximum area, put down
When height and any one parameter of average area are more than corresponding threshold value, controller sends out alarm signal, to remind operator.
The sampling frequency can be set, such as 1min/ times or 3min/ is inferior.
Effectively pole piece A rippled edge bumps degree can be quantified, and be compared with the threshold value of setting, thus into
Row feedback.On-line checking can be carried out, reflects the state of pole piece in real time.
In conjunction with Fig. 2；A method of on-line monitoring lithium battery pole slice rippled edge, including：
S1, transmission pole piece；
S2, it emits beam to pole piece along the width direction of pole piece；
S3, it receives above-mentioned light and forms shadow image；
S4, the parameter information for obtaining each target in above-mentioned shadow image, the parameter information and preset threshold value are compared
Compared with being decided whether to send out alarm signal according to comparison result.
It is emitted beam using linear LED lamp tube.
Above-mentioned light is received using light sensation receiving device.
It is emitted beam to pole piece by the width direction along pole piece, due to having wave crest, trough on pole piece, shade can be formed
Image,
Above-mentioned shadow image medium wave peak, the height of trough, quantity, area are obtained, to which wave crest, trough is calculated in processing
Maximum height, maximum area, average height and average area, and these parameter informations and corresponding preset threshold value are carried out
Compare, is decided whether to send out alarm signal according to comparison result.Can set, when maximum height, maximum area, average height and
When any one parameter of average area is more than corresponding threshold value, controller sends out alarm signal, to remind operator.It can set
The frequency is sampled, such as 1min/ times or 3min/ is inferior.
Effectively pole piece rippled edge bumps degree can be quantified, and be compared with the threshold value of setting, thus into
Row feedback.On-line checking can be carried out, reflects the state of pole piece in real time.
The present embodiment can be realized based on above-described embodiment.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of device of on-line monitoring lithium battery pole slice rippled edge, which is characterized in that including；
Transport mechanism, for transmitting pole piece；
Light source is located at the side of pole piece, emits beam to pole piece for the width direction along pole piece；
Receiving screen is located at side of the pole piece far from light source, for receiving above-mentioned light and forming shadow image；
Processor, the parameter information for obtaining each target in above-mentioned shadow image, by the parameter information and preset threshold value into
Row compares, and is decided whether to send out alarm signal according to comparison result.
2. the device of on-line monitoring lithium battery pole slice rippled edge according to claim 1, which is characterized in that the target is
Wave crest on pole piece or/and trough.
3. the device of on-line monitoring lithium battery pole slice rippled edge according to claim 2, which is characterized in that the parameter information
For protrusion or/and maximum height, maximum area, average height and the average area of groove.
4. the device of on-line monitoring lithium battery pole slice rippled edge according to claim 1, which is characterized in that transport mechanism is
Tension divides roller.
5. the device of on-line monitoring lithium battery pole slice rippled edge according to claim 1, which is characterized in that light source is linear
LED lamp tube.
6. the device of on-line monitoring lithium battery pole slice rippled edge according to claim 1, which is characterized in that receiving screen is light
Feel receiving device.
7. a kind of method of on-line monitoring lithium battery pole slice rippled edge, which is characterized in that including：
S1, transmission pole piece；
S2, it emits beam to pole piece along the width direction of pole piece；
S3, it receives above-mentioned light and forms shadow image；
S4, the parameter information for obtaining each target in above-mentioned shadow image, which are compared with preset threshold value, root
Decide whether to send out alarm signal according to comparison result.
8. the method for on-line monitoring lithium battery pole slice rippled edge according to claim 6, which is characterized in that using linearly
LED lamp tube emits beam.
9. the method for on-line monitoring lithium battery pole slice rippled edge according to claim 6, which is characterized in that connect using light sensation
It receives device and receives above-mentioned light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385278.3A CN108627115A (en) | 2018-04-26 | 2018-04-26 | Device and method for monitoring wavy edges of lithium battery pole piece on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385278.3A CN108627115A (en) | 2018-04-26 | 2018-04-26 | Device and method for monitoring wavy edges of lithium battery pole piece on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108627115A true CN108627115A (en) | 2018-10-09 |
Family
ID=63694657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810385278.3A Pending CN108627115A (en) | 2018-04-26 | 2018-04-26 | Device and method for monitoring wavy edges of lithium battery pole piece on line |
Country Status (1)
| Country | Link |
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| CN (1) | CN108627115A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037458A (en) * | 2019-12-17 | 2020-04-21 | 西安奕斯伟硅片技术有限公司 | Monitoring device and silicon wafer processing device |
| CN114544642A (en) * | 2022-01-10 | 2022-05-27 | 广州超音速自动化科技股份有限公司 | Detection method for battery pole piece notch |
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| CN203396376U (en) * | 2013-06-28 | 2014-01-15 | 东莞新能源科技有限公司 | Lithium ion battery-used metal foil wavy edge detection device |
| CN104154885A (en) * | 2014-07-24 | 2014-11-19 | 大连理工大学 | Slight warping detecting method for small-sized annular part |
| CN104567699A (en) * | 2013-10-21 | 2015-04-29 | 中冶建筑研究总院有限公司 | Enhanced non-contact plumb line coordinator |
| CN105674910A (en) * | 2016-01-14 | 2016-06-15 | 江苏大学 | Ultra-large type plate shearing machine plate shearing edge curve detection system and method |
| CN205748153U (en) * | 2016-02-01 | 2016-11-30 | 珠海光宇电池有限公司 | A kind of device measuring pole piece wave |
| CN106441120A (en) * | 2016-08-26 | 2017-02-22 | 江苏楚汉新能源科技有限公司 | Method of measuring rippled edge peak of lithium battery pole piece |
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2018
- 2018-04-26 CN CN201810385278.3A patent/CN108627115A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1535371A (en) * | 2001-07-06 | 2004-10-06 | 因温特奥股份公司 | Method and device for determining rectilinearity of guide rails |
| CN203396376U (en) * | 2013-06-28 | 2014-01-15 | 东莞新能源科技有限公司 | Lithium ion battery-used metal foil wavy edge detection device |
| CN104567699A (en) * | 2013-10-21 | 2015-04-29 | 中冶建筑研究总院有限公司 | Enhanced non-contact plumb line coordinator |
| CN104154885A (en) * | 2014-07-24 | 2014-11-19 | 大连理工大学 | Slight warping detecting method for small-sized annular part |
| CN105674910A (en) * | 2016-01-14 | 2016-06-15 | 江苏大学 | Ultra-large type plate shearing machine plate shearing edge curve detection system and method |
| CN205748153U (en) * | 2016-02-01 | 2016-11-30 | 珠海光宇电池有限公司 | A kind of device measuring pole piece wave |
| CN106441120A (en) * | 2016-08-26 | 2017-02-22 | 江苏楚汉新能源科技有限公司 | Method of measuring rippled edge peak of lithium battery pole piece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037458A (en) * | 2019-12-17 | 2020-04-21 | 西安奕斯伟硅片技术有限公司 | Monitoring device and silicon wafer processing device |
| CN114544642A (en) * | 2022-01-10 | 2022-05-27 | 广州超音速自动化科技股份有限公司 | Detection method for battery pole piece notch |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181009 |
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