CN118032808A - Tab detection device and tab detection method - Google Patents
Tab detection device and tab detection method Download PDFInfo
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- CN118032808A CN118032808A CN202410387312.6A CN202410387312A CN118032808A CN 118032808 A CN118032808 A CN 118032808A CN 202410387312 A CN202410387312 A CN 202410387312A CN 118032808 A CN118032808 A CN 118032808A
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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
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- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to the technical field of battery production, and discloses a tab detection device, which comprises: the grating detection module comprises a light source emission element and a light receiving element, wherein the light receiving element is used for receiving light spots emitted by the light source emission element, and the light receiving element converts light intensity signals of the light spots into voltage signals and outputs the voltage signals; a lug is arranged between the light source emitting element and the light receiving element, when the lug shields the light receiving element, the light intensity signal of the light receiving spot received by the light receiving element changes, and the voltage signal changes along with the change of the light intensity signal; and the signal processing module is used for receiving the voltage signal output by the light emitting element and determining whether the lug turns over or not according to the change of the voltage signal. When the light receiving element is shielded by the lug, the light intensity signal received by the light receiving element changes to change the output voltage signal, and the signal processing module confirms whether the lug turns according to the change of the voltage signal, so that the detection of slight angle folding or Z-shaped turning of the lug is realized.
Description
Technical Field
The invention belongs to the technical field of battery production, and particularly relates to a tab detection device and a tab detection method.
Background
In the battery production process, the tab is formed through a die cutting process, the tab is easy to fold in the die cutting process, the lamination/winding process and the transferring process, and after the battery core is formed, the tab is difficult to detect and identify, the tab is folded to cause conditions such as short circuit, lithium precipitation and the like, and serious potential safety hazards exist.
Conventionally, in order to improve the safety performance and the electrical performance of a battery, a correlation photoelectric sensor is generally used to detect the width of a tab to determine whether the tab is folded. In the winding working process, a light projector of the sensor is arranged at the root part or the middle lower part of the lug, and a light receiver of the sensor can calculate the width of the lug through the shielding time of the lug to give out a signal whether the lug is folded or not. In general, the tab folding is basically folded to a film coating area, and in this way, most tab folding abnormality can be detected, but innumerable values are displayed, the severity of the folding cannot be distinguished, and a slight folding angle or a Z-shaped folding above the sensor light receiver cannot be detected.
Based on this, there is a need in the art for a tab detection device and a tab detection method to solve the above-mentioned technical problems.
Disclosure of Invention
The invention provides a tab detection device and a tab detection method, which are used for solving the problem that a tab is slightly folded or turned in a Z shape and cannot be detected.
In order to solve the above technical problems, the present invention provides a tab detection device, including:
The optical grating detection module comprises a light source emission element and a light receiving element, wherein the light receiving element is used for receiving light spots emitted by the light source emission element, and converting light intensity signals of the light spots into voltage signals and outputting the voltage signals; a lug is arranged between the light source emitting element and the light receiving element, when the lug shields the light receiving element, the light intensity signal of the light spot received by the light receiving element can change, and the voltage signal can change along with the change of the light intensity signal;
the signal processing module receives the voltage signal output by the light receiving element and confirms whether the lug is folded or not according to the change of the voltage signal.
As a further improvement of the present invention, the light source emitting element includes a light source and a grating, the light source is a semiconductor light source, and the light spot emitted by the grating is a strip-shaped light spot.
As a further improvement of the invention, the strip-shaped light spots are perpendicular to the transverse direction of the lug, and the length of the strip-shaped light spots emitted by the grating is longer than that of the lug.
As a further improvement of the invention, the lug moves along the direction vertical to the bar grating, and when the lug enters a bar-shaped light spot, the signal processing module outputs the length values of different positions of the lug according to the change degree of the light intensity signals received by the light receiving element at different positions.
As a further improvement of the invention, when the tab enters the strip-shaped light spot, the signal processing module outputs the width value of the tab with the same length level according to the duration of the same degree of the light intensity signal received by the light receiving element at different positions.
As a further improvement of the present invention, the width of the stripe-shaped light spot is set according to the speed at which the tab moves in the direction perpendicular to the stripe-shaped grating.
As a further improvement of the present invention, the signal processing module outputs the length information of the tab according to the variation degree of the voltage signal output by the light receiving element, and the signal processing module outputs the width information of different lengths of the tab according to the same degree of the duration of the voltage signal output by the light receiving element.
The invention also provides a tab detection method, which comprises the following steps:
acquiring the light intensity of the tab after entering the grating detection assembly;
Comparing the light intensities of different positions when the tab enters the strip-shaped light spot;
And according to the comparison result of the comparison of the light intensities at different positions of the tab, determining whether the tab is folded or not.
As a further improvement of the present invention, the comparing the light intensities at different positions when the tab enters the strip-shaped light spot includes:
The variation degree of different light intensities at different positions is carried out;
the same light intensities at different locations are compared for the same degree of duration.
As a further improvement of the present invention, the determining whether the tab is folded according to the comparison result of comparing the light intensities at different positions of the tab includes:
Comparing the variation degrees of different light intensities at different positions to obtain the length values of different positions of the tab;
comparing the time lengths of the same light intensity and the same degree at different positions to obtain the width value of the same length level of the tab;
And according to the comparison result of the lengths of different positions of the tab and the width of the same length level, confirming whether the tab is folded or not.
Compared with the prior art, the tab detection device and the tab detection method provided by the invention have the following beneficial effects:
According to the invention, the grating detection module comprises a light source emitting element for emitting light spots and a light receiving element for receiving the light spots emitted by the light source emitting element, the lug is arranged between the light source emitting element and the light receiving element, when the light receiving element is shielded by the lug, the light intensity signal of the light spots received by the light receiving element can change, the voltage signal can change along with the change of the light intensity signal, the signal processing module receives the voltage signal output by the light receiving element, and whether the lug is folded or not is confirmed according to the change of the voltage signal, so that the detection of slight folding angle or Z-shaped folding of the lug can be realized; through setting up the utmost point ear and remove along the direction with bar grating vertically, according to the variation degree that light intensity signal was received to the light receiving element under the different positions, signal processing module can output the length value of the different positions of utmost point ear, according to the duration of the same degree that light intensity signal was received to the light receiving element under the different positions, signal processing module can output the same length horizontally width value of utmost point ear can further realize the numerical display that the utmost point ear turns over, has widened the application scope that the utmost point ear detected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present invention, but not all embodiments, and other drawings obtained according to these drawings without inventive effort are all within the scope of the present invention.
Fig. 1 is a schematic structural diagram of a tab detection device according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a light source emitting element according to an embodiment of the present invention;
Fig. 3 is a schematic diagram of a bar grating detection tab of a tab detection device according to an embodiment of the present invention;
fig. 4 is a flowchart of a tab detection method provided in an embodiment of the present invention.
Reference numerals illustrate:
11 is a light source emitting element; 111 is a light source; 112 is a grating; 113 is a stripe spot; 12 is a light receiving element; and 13 is a tab.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In order that the present disclosure may be more fully described and fully understood, the following description is provided by way of illustration of embodiments and specific examples of the present invention; this is not the only form of practicing or implementing the invention as embodied. The description covers the features of the embodiments and the method steps and sequences for constructing and operating the embodiments. However, other embodiments may be utilized to achieve the same or equivalent functions and sequences of steps. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the embodiments of the present invention, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: in addition, in the description of the embodiments of the present invention, "plural" means two or more, and other words and the like, it is to be understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention, and embodiments of the present invention and features in the embodiments may be combined with each other without conflict.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be understood that the terms first, second, and the like in the description and the claims of the present invention and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein.
Furthermore, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
Referring to fig. 1-4, the present invention provides a tab detecting device and a tab detecting method, which are used for solving the problem that the tab is slightly folded or turned in a zigzag manner and cannot be detected.
Specifically, please refer to fig. 1, which is a schematic structural diagram of a tab detection device according to an embodiment of the present invention, the present invention provides a tab detection device, which includes: the optical grating detection module comprises a light source emission element 11 and a light receiving element 12, wherein the light receiving element 12 is used for receiving light spots emitted by the light source emission element 11, and the light receiving element 12 converts light intensity signals of the light spots into voltage signals and outputs the voltage signals; a tab 13 is disposed between the light source emitting element 11 and the light receiving element 12, and when the tab 13 shields the light receiving element 12, the light intensity signal of the light spot received by the light receiving element 12 will change, and the voltage signal will change along with the change of the light intensity signal; the signal processing module receives the voltage signal output by the light receiving element 12, and determines whether the tab 13 is folded or not according to the change of the voltage signal.
According to the invention, the grating detection module comprises the light source emitting element 11 for emitting light spots and the light receiving element 12 for receiving the light spots emitted by the light source emitting element 11, the lug 13 is arranged between the light source emitting element 11 and the light receiving element 12, when the lug 13 shields the light receiving element 12, the light intensity signal of the light spots received by the light receiving element 12 can change, the voltage signal can change along with the change of the light intensity signal, the signal processing module receives the voltage signal output by the light receiving element 12, and whether the lug 13 turns or not is confirmed according to the change of the voltage signal, so that the detection of slight turning angles or Z-shaped turning angles of the lug can be realized.
As a further improvement of the present invention, referring to fig. 2, the light source emitting element 11 includes a light source 111 and a grating 112, the light source 111 is a semiconductor light source 111, and the light spot emitted by the grating 112 is a stripe-shaped light spot 113. The light source 111 is a semiconductor light source, which has higher brightness, higher weatherability, higher luminous density and higher luminous uniformity, ensures the overall energy saving and high efficiency of the light source emitting element 11, and realizes the emission of the strip-shaped light spots 113 by adopting the strip-shaped light gratings 112 by arranging the light source emitting element 11 comprising the light source 111 and the light gratings 112, and can completely cover the edge of the tab 13 by controlling the length of the strip-shaped light spots 113, thereby ensuring the accuracy of the turnover detection of the subsequent tab 13.
As a further improvement of the present invention, referring to fig. 3, the strip-shaped light spot 113 is perpendicular to the transverse direction of the tab 13, and the length of the strip-shaped light spot 113 emitted by the grating 112 is greater than the length of the tab 13. By setting the strip-shaped light spot 113 perpendicular to the transverse direction of the tab 13, the length of the strip-shaped light spot 113 emitted by the grating 112 is greater than the length of the tab 13, so that the edge position of the strip-shaped light spot 113 in the length direction of the tab 13 can be ensured, in this embodiment, the tab 13 moves along the direction perpendicular to the strip-shaped grating 112, when the strip-shaped light spot 113 is perpendicular to the transverse direction of the tab 13, the length of the strip-shaped light spot 113 is greater than the length of the tab 13, the tab 13 moves along the direction perpendicular to the strip-shaped grating 112, namely, along the transverse direction of the tab 13, the whole of the tab 13 can be detected by the strip-shaped light spot 113, the length change of the whole of the tab 13 can be detected, whether the tab 13 is folded or not can be judged through detection of the same horizontal plane, the detection precision of the tab 13 is prevented, and the reliability of the tab detection device is ensured.
As a further improvement of the present invention, the tab 13 moves along a direction perpendicular to the bar grating 112, and when the tab 13 enters the bar-shaped light spot 113, the signal processing module outputs the length values of different positions of the tab 13 according to the variation degree of the light intensity signal received by the light receiving element 12 at different positions. When the tab 13 enters the strip-shaped light spot 113, the signal processing module outputs the width value of the tab 13 with the same length and level according to the duration of the same degree of the light intensity signal received by the light receiving element 12 at different positions. Through setting up the utmost point ear 13 and remove along the direction with bar grating 112 vertically, according to the variation degree of receiving the light intensity signal by light receiving element 12 under the different positions, signal processing module can output the length value of utmost point ear 13 different positions, according to the duration of receiving the same degree of light intensity signal by light receiving element 12 under the different positions, signal processing module can output the same length horizontally width value of utmost point ear 13 can further realize the numerical display that utmost point ear 13 turns over, has widened the application scope that utmost point ear 13 detected.
In this embodiment, in order to accurately detect the value, the tab detection device may be modulated, where the modulation process is specifically a process in which parameters such as amplitude, phase, polarization state, wavelength, and spectral characteristics of the carrier light wave change along with the change of the detected signal, that is, when the tab 13 passes through the strip-shaped light spot 113, the light receiving element 12 can sense the change of the light intensity signal, after receiving the change of the light intensity signal, the voltage signal received by the signal processing module will also generate a corresponding change, and finally the measured value of the length and the width of the tab 13 can be obtained by processing the voltage signal by the signal processing module.
As a further improvement of the present invention, the width of the stripe-shaped spot 113 is set according to the speed at which the tab 13 moves in the direction perpendicular to the stripe-shaped grating 112. By setting the width of the strip-shaped light spot 113 according to the speed of the movement of the tab 13 along the direction perpendicular to the strip-shaped grating 112, the width of the strip-shaped light spot 113 is matched with the speed of the movement of the tab 13, even if the width of the strip-shaped light spot 113 is matched with the winding speed, the movement operation process of the tab 13 and the light source 111 of the tab detection device are not influenced by external factors, and the detection precision of the tab detection device is ensured.
As a further improvement of the present invention, the signal processing module outputs the length information of the tab 13 according to the variation degree of the voltage signal output by the light receiving element 12, and the signal processing module outputs the width information of different lengths of the tab 13 according to the same degree of the duration of the voltage signal output by the light receiving element 12.
Specifically, when the tab 13 enters the strip-shaped light spot 113, since the light intensity signal received by the light receiving element 12 changes, the voltage signal of the light receiving element 12 also changes, and the signal processing module analyzes and outputs the width of each level of the tab 13 and the length value of the tab 13 according to the degree of the change of the received light intensity signal and the duration of the same degree; because the length of the strip-shaped light spot 113 can cover the length of the tab 13, each level of the tab 13 can be regarded as being detected, the logic can detect the gradual change tab 13, the tab detection device is provided with a corresponding detection numerical range according to the change amount of each layer of tab 13, whether the gradual change tab 13 is abnormal or not in the production process can be monitored in real time, the size of the volume of the original tab detection device is not too different from that of the tab detection device, the function of detecting whether the tab is folded is reserved, the folding condition is digitized in an imaging manner, the tab folding under any condition can be detected, the detailed analysis on the tab folding is facilitated, the width of the tab can be detected according to the actual condition of the incoming tab, such as gradual change tab, more detection functions and applicability are provided, the detection range of the tab detection device is further widened, and the practicability of the tab detection device is improved.
The invention also provides a tab detection method, referring to fig. 4, which includes:
acquiring the light intensity of the tab after entering the grating detection assembly;
Comparing the light intensities of different positions when the tab enters the strip-shaped light spot;
The comparing the light intensities of different positions when the tab enters the strip-shaped light spot comprises the following steps:
The variation degree of different light intensities at different positions is carried out;
the same light intensities at different locations are compared for the same degree of duration.
And according to the comparison result of the comparison of the light intensities at different positions of the tab, determining whether the tab is folded or not.
The step of confirming whether the tab is folded according to the comparison result of comparing the light intensities at different positions of the tab comprises the following steps:
Comparing the variation degrees of different light intensities at different positions to obtain the length values of different positions of the tab;
comparing the time lengths of the same light intensity and the same degree at different positions to obtain the width value of the same length level of the tab;
and according to the comparison result of the lengths of the different positions of the tab and the width of the same length level, confirming whether the tab 13 is folded or not.
According to the method for detecting the lug, the lug moves into the grating detection assembly, the change of the light intensity signal received by the light receiving element is set, the voltage signal which is acquired by the light receiving element and is changed along with the change is sent to the signal processing module, the signal processing module analyzes and outputs the width of each level of the lug and the length value of the lug according to the change degree of the received light intensity signal and the duration of the same degree, and confirms whether the lug is folded or not according to the comparison result of the lengths of different positions of the lug and the width of the same length level. Whether the tab is slightly folded or not can be judged through detection of the same horizontal plane, so that the tab is prevented from being folded and killed in a missing manner, and the tab detection precision is improved.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples only represent preferred embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a utmost point ear detection device which characterized in that includes:
The optical grating detection module comprises a light source emission element and a light receiving element, wherein the light receiving element is used for receiving light spots emitted by the light source emission element, and converting light intensity signals of the light spots into voltage signals and outputting the voltage signals; a lug is arranged between the light source emitting element and the light receiving element, when the lug shields the light receiving element, the light intensity signal of the light spot received by the light receiving element can change, and the voltage signal can change along with the change of the light intensity signal;
the signal processing module receives the voltage signal output by the light receiving element and confirms whether the lug is folded or not according to the change of the voltage signal.
2. The tab detection device of claim 1, wherein the light source emitting element comprises a light source and a grating, the light source is a semiconductor light source, and the light spot emitted by the grating is a strip-shaped light spot.
3. The tab detection device according to claim 2, wherein the strip-shaped light spot is perpendicular to the lateral direction of the tab, and the length of the strip-shaped light spot emitted by the grating is greater than the length of the tab.
4. The device for detecting a tab according to claim 3, wherein the tab moves along a direction perpendicular to the bar grating, and the signal processing module outputs the length values of different positions of the tab according to the variation degree of the light intensity signal received by the light receiving element at different positions when the tab enters the bar-shaped light spot.
5. The tab detection device according to claim 4, wherein when the tab enters the strip-shaped light spot, the signal processing module outputs the width value of the tab with the same length and the same level according to the duration of the same degree of the light intensity signal received by the light receiving element at different positions.
6. The tab detection device according to claim 4, wherein the width of the stripe-shaped light spot is set according to a speed at which the tab moves in a direction perpendicular to the stripe-shaped grating.
7. The tab detection device according to claim 4, wherein the signal processing module outputs the length information of the tab according to the variation degree of the voltage signal output by the light receiving element, and the signal processing module outputs the width information of different lengths of the tab according to the same degree of the voltage signal output by the light receiving element.
8. The tab detection method is characterized by comprising the following steps of:
acquiring the light intensity of the tab after entering the grating detection assembly;
Comparing the light intensities of different positions when the tab enters the strip-shaped light spot;
And according to the comparison result of the comparison of the light intensities at different positions of the tab, determining whether the tab is folded or not.
9. The method of claim 8, wherein comparing the light intensities at different positions when the tab enters the strip-shaped light spot comprises:
The variation degree of different light intensities at different positions is carried out;
the same light intensities at different locations are compared for the same degree of duration.
10. The method according to claim 9, wherein the determining whether the tab is folded or not according to the comparison result of comparing the light intensities of the different positions of the tab comprises:
Comparing the variation degrees of different light intensities at different positions to obtain the length values of different positions of the tab;
comparing the time lengths of the same light intensity and the same degree at different positions to obtain the width value of the same length level of the tab;
And according to the comparison result of the lengths of different positions of the tab and the width of the same length level, confirming whether the tab is folded or not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202410387312.6A CN118032808A (en) | 2024-04-01 | 2024-04-01 | Tab detection device and tab detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410387312.6A CN118032808A (en) | 2024-04-01 | 2024-04-01 | Tab detection device and tab detection method |
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| CN118032808A true CN118032808A (en) | 2024-05-14 |
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| CN202410387312.6A Pending CN118032808A (en) | 2024-04-01 | 2024-04-01 | Tab detection device and tab detection method |
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| DE10307770A1 (en) * | 2003-02-14 | 2004-08-26 | Visolux Zweigniederlassung Der Pepperl + Fuchs Gmbh | Optical grating, for analyzing errors in moving sheet, has correction method to correct errors due to failed optical channel, by sampling image from adjacent channels and calculating most likely error free image |
| CN206258396U (en) * | 2016-11-30 | 2017-06-16 | 广东溢达纺织有限公司 | Raster pattern cloth cover broken hole detection means |
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| CN215810684U (en) * | 2021-08-26 | 2022-02-11 | 合肥国轩高科动力能源有限公司 | Battery cell tab measuring device |
| CN115205198A (en) * | 2022-05-07 | 2022-10-18 | 广州超音速自动化科技股份有限公司 | Method, system and equipment for detecting quality of tab and storage medium |
| CN116523921A (en) * | 2023-07-05 | 2023-08-01 | 广州市易鸿智能装备有限公司 | Detection method, device and system for tab turnover condition |
| CN220137034U (en) * | 2023-03-06 | 2023-12-05 | 瑞浦兰钧能源股份有限公司 | Detection of coating machine scraping device |
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2024
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3588480A (en) * | 1968-12-06 | 1971-06-28 | Fairbanks Morse Inc | Processing control system |
| DE10307770A1 (en) * | 2003-02-14 | 2004-08-26 | Visolux Zweigniederlassung Der Pepperl + Fuchs Gmbh | Optical grating, for analyzing errors in moving sheet, has correction method to correct errors due to failed optical channel, by sampling image from adjacent channels and calculating most likely error free image |
| CN206258396U (en) * | 2016-11-30 | 2017-06-16 | 广东溢达纺织有限公司 | Raster pattern cloth cover broken hole detection means |
| EP3413014A1 (en) * | 2017-06-08 | 2018-12-12 | Stephan Brauss | Device and method for detecting and measuring objects |
| CN215810684U (en) * | 2021-08-26 | 2022-02-11 | 合肥国轩高科动力能源有限公司 | Battery cell tab measuring device |
| CN115205198A (en) * | 2022-05-07 | 2022-10-18 | 广州超音速自动化科技股份有限公司 | Method, system and equipment for detecting quality of tab and storage medium |
| CN220137034U (en) * | 2023-03-06 | 2023-12-05 | 瑞浦兰钧能源股份有限公司 | Detection of coating machine scraping device |
| CN116523921A (en) * | 2023-07-05 | 2023-08-01 | 广州市易鸿智能装备有限公司 | Detection method, device and system for tab turnover condition |
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