CN115639211A - Automatic high-speed detection equipment for battery cover plate - Google Patents
Automatic high-speed detection equipment for battery cover plate Download PDFInfo
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- CN115639211A CN115639211A CN202211285889.3A CN202211285889A CN115639211A CN 115639211 A CN115639211 A CN 115639211A CN 202211285889 A CN202211285889 A CN 202211285889A CN 115639211 A CN115639211 A CN 115639211A
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Abstract
The invention discloses automatic high-speed detection equipment for a battery cover plate, which comprises a detection host and a plurality of automatic detection mechanisms, wherein each automatic detection mechanism comprises a light source cover body and an image acquisition part with a focusing stroke, and a plurality of light source monomers for performing differential light supplement adjustment are arranged in the light source cover body. The invention can realize the high-efficiency light source control of a plurality of light source monomers and rotation, meets the requirement of multi-image detail data acquisition during detection, realizes high-efficiency detection, and simultaneously obviously reduces the over-killing rate and the miss-killing rate. The adoption of the editing detection model can easily realize the modeling of the detection items and realize the adaptation of the intelligent detection items, so that the utilization rate of the detection equipment is very high, and the universality is stronger. Satisfy the comprehensive demand that detects of battery apron defect, can adapt to the environmental change simultaneously, satisfy the nimble of unknown defect and supplement and adjust luminance suitability demand. The method has the characteristic of data fusion detection, and meets the requirements of single defect comprehensive evaluation and single-sided multi-sampling comprehensive evaluation. The requirement on the precision of the material conveying position is low, and the applicability is very strong.
Description
Technical Field
The invention relates to automatic high-speed detection equipment for a battery cover plate, and belongs to the technical field of automatic detection equipment.
Background
A power battery system (power battery PACK, battery PACK) is a core energy source for providing driving electric energy for a new energy automobile, and is one of the most key parts of the new energy automobile. The power battery system mainly comprises components such as a battery module, an electrical system, a thermal management system, a shell and a BMS, and the battery module, the electrical system, the thermal management system and the BMS are packaged through the shell to form a main body of the power battery system.
The power battery system shell (battery case) is used as a bearing body of the battery module, plays a key role in stable work and safety protection of the battery module, and can meet the protection level design requirement of the electrical equipment shell IP67 except for ensuring the requirements on strength, rigidity and collision safety. The electric vehicle platforms specially developed by a plurality of whole vehicle factories adopt a bottom plate platform type battery system layout, even battery cases and a vehicle body bottom plate are combined into a whole, the traditional vehicle body form is changed, the battery cases become a part of the vehicle body, and the whole vehicle strength, the rigidity and the collision safety are greatly influenced. Therefore, although the battery case is generally considered to be a component of the battery pack of the new energy automobile, the battery case is related to a vehicle body system and electrical safety and is a key part of the new energy automobile.
The battery cover plate is a core part of the battery case and is very important to the safety of the battery pack, so that the requirement on the quality of the battery cover plate is very strict.
The battery cover plate can be implanted with various detections in the production and processing process, helium detection can be performed after the explosion-proof valve is assembled, electrical detection can be performed after the electrode column is welded, and the like.
After the battery cover plate is processed and produced, multi-surface detection is carried out through detection equipment, the battery cover plate comprises a plate sheet-shaped structure main body, and structures such as an explosion-proof valve and a pole and the like are arranged on the plate sheet-shaped structure main body, so that comprehensive detection needs to be carried out on the top surface, the bottom surface, two side surfaces and two end surfaces of the battery cover plate, namely six-surface detection.
The general test items include at least: obvious mar, collide with, overflow glue, starved, dirty, indentation, aluminium silk, oxidation, blackening, the detection such as whitish, explosion-proof valve position, utmost point post position, notes liquid hole, sealing washer, protective film position, the detection of detection item is very many, and is also very high to detecting light source, shooting requirement moreover.
Traditional check out test set adopts general type visual detection equipment repacking, only needs to customize promptly and carries out the line of producing that the automation was carried to the battery apron, carry the production line in automation set gradually CCD detect the station can, traditional CCD detect the station adopt directional light filling and image acquisition's mode to realize the image data of single face and snatch contrastive analysis. It has many drawbacks as follows: firstly, the CCD detection station has light source difference and irradiation angle difference, and the detection surfaces of different acquisition battery cover plates need to be adjusted by manual light source and irradiation angle, so that the utilization rate of equipment is very low; secondly, the light source of the CCD detection station only has intensity adjustment, so that the angle of an irradiation light source and the adjustment of a local light source cannot be carried out in the visual detection process, the obtained defect characteristics are few, and often a plurality of CCD detection stations are required to be arranged on one detection surface for judging the combination defect; thirdly, the CCD detection station is only suitable for data acquisition of a single detection surface, and the data combination of multiple detection surfaces is difficult to meet, so that the accuracy of detection items is low; fourth, traditional CCD detects the station and requires the battery apron to be fixed counterpoint, and the station is decided the machine and is counterpointed to the operation in-process needs to be switched, influences detection efficiency.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides the automatic high-speed detection equipment for the battery cover plate, aiming at the problems of low utilization rate, difficulty in fixed detection and adjustment, low detection efficiency and the like of the traditional automatic detection equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the automatic high-speed detection equipment for the battery cover plate comprises a battery cover plate automatic conveying line and an automatic detection group arranged on the battery cover plate automatic conveying line, wherein the automatic detection group comprises a detection host and a plurality of automatic detection mechanisms in communication connection with the detection host,
the automatic detection mechanism comprises a light source cover body and an image acquisition part which is arranged in the light source cover body and provided with a focusing stroke, wherein a plurality of light source monomers used for performing differentiated light supplement adjustment are arranged in the light source cover body, a controller used for being in communication connection with the light source monomers to adjust the intensity of the light source monomers and the switch of the light source monomers and the intensity of the light source is arranged in the detection host, and the image acquisition part is in communication connection with the controller.
Preferably, a detection control module is arranged in the detection host and corresponds to the automatic detection mechanism one to one, at least one editing detection model is arranged in the detection control module, a detection time axis and a plurality of detection points distributed on the detection time axis are arranged in any editing detection model, and any detection point comprises light source control data and image acquisition part focusing control data.
Preferably, a fusion judgment module for performing defect fusion judgment on the data collected by the at least two automatic detection mechanisms is arranged in the detection host.
Preferably, the light source cover body comprises a hemispherical light supplement cover, a plurality of circumferential light source annular bands arranged at intervals are arranged in the hemispherical light supplement cover, and a plurality of light source monomers are uniformly distributed on any circumferential light source annular band.
Preferably, the light source cover includes a rotation adjustment unit, and the light source cover includes a rotation adjustment displacement in which the alignment direction of the image capturing unit is a rotation axis direction.
Preferably, the automatic detection mechanism comprises a position degree adjusting mechanism for adjusting the position degree of the light source cover body, and the rotation adjusting part is arranged on the position degree adjusting mechanism.
Preferably, the position degree adjusting mechanism at least comprises a linear alignment adjusting displacement along the alignment direction of the image acquisition part.
Preferably, the automatic detection group comprises a top surface automatic detection mechanism, two end surface automatic detection mechanisms, a bottom surface automatic detection mechanism and two side surface automatic detection mechanisms which are sequentially arranged along the conveying direction of the automatic battery cover plate conveying line.
Preferably, the automatic battery cover plate conveying line comprises a first conveying line and a second conveying line which are arranged at intervals, a code scanning recognition mechanism is arranged at the feeding end of the first conveying line, at least one NG unloading line which is arranged in parallel is arranged at the discharging end of the second conveying line, a material distributing and pushing mechanism is arranged between the NG unloading line and the first conveying line,
the bottom surface automatic detection mechanism is arranged at the bottom of the interval section of the first conveying line and the second conveying line.
Preferably, the side automatic detection mechanism is used for acquiring double-sided data of the top surface and the side surface of the battery cover plate, and the end surface automatic detection mechanism is used for acquiring double-sided data of the top surface and the end surface of the battery cover plate.
The invention has the following beneficial effects:
1. the light source control device can realize the control of a plurality of light source monomers and a rotary high-efficiency light source, meet the requirement of acquiring multi-image detail data during detection, realize high-efficiency detection, and simultaneously remarkably reduce the over-killing rate and the miss-killing rate.
2. The adoption of the editing detection model can easily realize the modeling of the detection items and realize the adaptation of the intelligent detection items, so that the utilization rate of the detection equipment is very high, and the universality is stronger.
3. Satisfy the comprehensive demand that detects of battery apron defect, can adapt to the environmental change simultaneously, satisfy the nimble of unknown defect and supplement and adjust luminance suitability demand.
4. The method has the characteristic of data fusion detection, and meets the requirements of single defect comprehensive evaluation and single-sided multi-sampling comprehensive evaluation.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of a principle framework of the automatic high-speed detection device for the battery cover plate of the invention.
Fig. 2 is a schematic structural diagram of the automatic high-speed detection device for the battery cover plate of the invention.
Fig. 3 is a schematic structural diagram of a top surface automatic detection mechanism in the automatic high-speed detection equipment for battery cover plates according to the invention.
Fig. 4 is a schematic structural diagram of a bottom surface automatic detection mechanism in the automatic high-speed detection device for the battery cover plate of the invention.
FIG. 5 is a schematic structural diagram of a lateral automatic detection mechanism in the automatic high-speed detection device for battery cover plates according to the present invention.
Fig. 6 is a schematic structural diagram of an end face automatic detection mechanism in the battery cover plate automatic high-speed detection device of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The invention provides automatic high-speed detection equipment for a battery cover plate, which comprises a battery cover plate automatic conveying line 1 and an automatic detection group arranged on the battery cover plate automatic conveying line 1, wherein the automatic detection group comprises a detection host and a plurality of automatic detection mechanisms 2 in communication connection with the detection host.
Specifically, the conventional automatic vision inspection is performed by a plurality of CCD inspection sites on the conveying line, but the conventional CCD inspection sites have many defects in the background art.
In the present case, automatic detection mechanism 2 includes the light source cover body 3 and sets up the image acquisition portion 4 that possesses the stroke of focusing in the light source cover body 3, and the light source cover is internal to be equipped with a plurality of light source monomers 30 that are used for carrying on differentiation light filling and adjust, is equipped with in the detection host computer to be used for being connected with light source monomer looks communication and carries out the controller that light source monomer switch and light source intensity adjusted, and image acquisition portion is connected with controller looks communication.
In general, the light source cover 3 includes a rotation adjustment unit 5, and the light source cover includes a rotation adjustment displacement in which the alignment direction of the image pickup unit is the rotation axis direction, and adjusts the pre-alignment of the light source cover 3.
The specific implementation process and principle are described as follows:
the battery cover plate is provided with a top surface, a bottom surface, two side edges and two end surfaces, wherein the side edges are long edges, the end surfaces and short edges, when the detection is carried out, the detection is carried out on the top surface, the bottom surface and the two side edges at least, one or all of the two end surfaces are selected, and therefore the arrangement of the automatic detection mechanism 2 can be carried out by setting the corresponding surfaces oppositely.
The traditional CCD detection position adopts a single light source to be matched with image acquisition, and only intensity adjustment and focusing adjustment of the light source exist, so that the image acquisition data which can be realized by the traditional CCD detection position is not enough to meet the adaptive requirements of relatively complicated acquisition items.
In the present case, adopted the combination of a plurality of light source monomer 30 switches and light source intensity regulation, focus stroke control, satisfied very abundant and more comprehensive image acquisition demand.
More specifically, in a specific detection process, the over-killing rate and the productivity are generally required, a fixed light source and a fixed focus are adopted in a traditional CCD detection position for shooting a smaller number of images, the over-killing rate and the over-killing rate are very high, meanwhile, when light source adjustment and zooming multi-image acquisition are adopted, the requirement for feeding speed matching exists, rich light source adjustment cannot be met, the over-killing rate and the over-killing rate can only be properly reduced, and the productivity is very low.
In the present case, through the arrangement and the switch of a plurality of light source monomers 30, light source intensity adjusts, can satisfy the differentiation light filling order of magnitude of the quantity product of switch and light source intensity complex, provide very abundant light filling selection, when single detection station, adopt the light filling source difference, focus stroke difference and can gather a large amount of pertinence images, ensure that the image covers all defect characteristics of detection face, make the rate of over-killing and the rate of missed killing obtain showing the decline, simultaneously in the detection operation process, high frequency control through the controller, can satisfy production line operating efficiency.
More finely explain, the light source cover body includes hemisphere light filling cover, is equipped with the circumference light source clitellum that a plurality of looks intervals set up in the hemisphere light filling cover, and the light source monomer controller that is equipped with a plurality of evenly distributed on arbitrary circumference light source clitellum has the customization control chip, and it can realize very high-efficient ground light source monomer and adjust.
The imaging light source of the light source cover body is very rich, more than 200 supplementary light source dynamic combinations exist, and the adaptive matching requirements of various environmental changes and unknown defects can be met.
It should be noted that, the controller adopts a customized chip, which can realize 360-degree control of the illumination deflection angle and dynamic adjustment of hundreds of light supplement sources, the average exposure time does not exceed 0.25ms, and under the high-precision detection and adjustment of 0.1mm, the flying shooting speed of 500mm/s can be supported, and at least more than 40 pieces of image acquisition data are generated per second.
In addition, because the processing of the light source single body 30 adopts the combination design of annular distribution and radial line belt, the adoption of the rotary adjusting part 5 can realize pre-alignment, namely, the requirement of relative adjustment of a radial direction and a production line direction is met, and the equipment assembly is easy.
In an embodiment, as shown in fig. 1 to 6, a detection control module is disposed in the detection host and is in one-to-one correspondence with the automatic detection mechanism, at least one editing detection model is disposed in the detection control module, a detection time axis and a plurality of detection points distributed on the detection time axis are disposed in any editing detection model, and any detection point includes light source control data and image acquisition unit focusing control data.
The specific implementation process and principle description are as follows:
the traditional detection CCD mechanism adopts fixed light source and fixed alignment reference control, so hardware regulation and control regulation such as light source parameters, alignment speed regulation and the like are required to be carried out according to parameters detected as required. The large and complete network framework is adopted, no reference is provided in the debugging process, and the debugging personnel are required to carry out repeated debugging.
In the present case, the design of an editing detection model is adopted, corresponding parameters of the automatic detection mechanism of the present case are adjusted, the editing detection model matched and adapted is established according to the requirements of detection items, and the detection and acquisition requirements of efficient matching and adaptation are realized through the detection points in the editing detection model.
It should be noted that the battery cover plate structure has great difference, and different battery cover plates have different ground characteristics and defect item sets, and in this case, the editing and detecting model is a self-learning module with a neural network architecture, and before detection, qualified image import and defect image import of corresponding detection requirements can be performed, and detection point positions and detection time axes of detection matching can be adjusted according to image data, so that current detection products can be matched.
The acquisition and the adjustment of corresponding comparison data are carried out through a self-learning module of a neural network framework, which belongs to the prior art, in the scheme, the acquisition and the adjustment can generate characteristic items corresponding to the automatic detection mechanism 2, namely, the automatic establishment of a detection time axis and a plurality of detection points distributed on the detection time axis is met, the detection points are supplemented with light source control data and image acquisition part focusing control data, and thus, the requirement of high utilization rate is met.
More specifically, a plurality of single models aiming at single characteristics exist in the editing detection model, when the industrial detection scene application is carried out, pre-training and data enhancement are firstly carried out on the editing detection model, the convergence difficulty of the model is greatly reduced, then photo characteristic pre-training of the single models is carried out, so that the model can quickly reach a stable state, label data enhancement is also carried out aiming at the position, the angle, the color and the fuzzy degree, the potential characteristic change is adapted, and the adaptability of the point location is easy to detect.
In a specific embodiment, a fusion judgment module for performing defect fusion judgment on collected data of at least two automatic detection mechanisms is arranged in the detection host.
The specific implementation process and principle description are as follows:
generally, the automatic detection mechanism 2 only performs image acquisition on a single surface of the battery cover plate, and in this case, because of the abundant light source settings, the automatic detection mechanism 2 has a function of two-surface detection, that is, a single unit can realize multi-image acquisition on two surfaces of the battery cover plate, and then perform multi-image data judgment on a single surface, thus ensuring that the detection is effective.
The method has the advantages that the combination of single-sided multi-detection and multi-sided multi-detection exists, the fusion detection mode exists in various models, the fusion synchronous detection of multiple data belongs to the connection of multiple logical relations, the method is a common technical means for software analysis, and is not repeated herein, and the basis for realizing fusion mainly through the generation of abundant light sources is provided.
In one embodiment, as shown in fig. 2 to 6, the automated inspection mechanism includes a position degree adjustment mechanism 6 for adjusting the position degree of the light source housing, and the rotation adjustment portion is provided on the position degree adjustment mechanism. The position degree adjusting mechanism at least comprises a linear alignment adjusting displacement along the alignment direction of the image acquisition part.
As shown in fig. 1 to 5, the position degree adjusting mechanism is mainly used for pre-aligning adjustment of the battery cover body on the material belt, fixed point orientation alignment and stroke alignment during assembly of a production line can be achieved, after the position degree adjusting mechanism is basically adjusted and fixed, manual adjustment is not needed in the later stage, and automatic matching of various products can be achieved through detection of the control module.
In one embodiment, as shown in fig. 2, the automated inspection group includes a top automated inspection mechanism 21, two end automated inspection mechanisms 24, a bottom automated inspection mechanism 22, and two side automated inspection mechanisms 23, which are sequentially arranged along the conveying direction of the battery cover automated conveying line.
Only need satisfy on the automation line in proper order the interval carry on can, its carry on can freely adjust in proper order, under general condition, terminal automatic detection mechanism be side or terminal surface, and it can realize providing last reference to the data fusion of top surface, can classify the ejection of compact after accomplishing according to the reference.
In one embodiment, the automatic battery cover plate conveying line comprises a first conveying line 11 and a second conveying line 12 which are arranged at intervals, a code scanning recognition mechanism 110 is arranged at the feeding end of the first conveying line, at least one NG discharging line 120 which is arranged in parallel is arranged at the discharging end of the second conveying line, a material distributing and pushing mechanism 7 is arranged between the NG discharging line and the first conveying line, and a bottom surface automatic detection mechanism is arranged at the bottom of the interval section of the first conveying line and the second conveying line.
So satisfy feeding discernment and model contrast demand promptly, satisfy six face simultaneously and detect the comprehensive demand, wherein can call historical database after discerning the material number for database matching is established more intelligently.
In one embodiment, the side automatic detection mechanism is used for collecting double-sided data of the top surface and the side surface of the battery cover plate, and the end automatic detection mechanism is used for collecting double-sided data of the top surface and the end surface of the battery cover plate. The requirement of collecting multiple surfaces at the same station is met, and data fusion processing is easy to realize.
In addition, it should be noted that in the present application, the first conveying line 11 and the second conveying line 12 are conveying belt bodies with non-linear rails accurately positioned, and when various position degree differences occur in the circular introduction of the material, the required image acquisition can be realized by adjusting the 360-degree light source of the controller, so as to meet the detection requirement, and therefore, the requirement on the position accuracy of the material is low.
Through the above description, it can be found that the automatic high-speed detection equipment of battery apron can realize the high-efficient light source control of a plurality of light source monomers and rotation, satisfies many image detail data acquisition demands when detecting, realizes high-efficient detection, and the rate of killing excessively simultaneously and the rate of omitting to kill significantly descends. The detection item modeling is easy to realize by adopting the editing detection model, and the intelligent detection item adaptation can be realized, so that the utilization rate of detection equipment is very high, and the universality is strong. Satisfy the comprehensive demand that detects of battery apron defect, can adapt to the environmental change simultaneously, satisfy the nimble of unknown defect and supplement and adjust luminance suitability demand. The method has the characteristic of data fusion detection, and meets the requirements of single defect comprehensive evaluation and single-sided multi-sampling comprehensive evaluation.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. Automatic high-speed check out test set of battery apron, including the automatic transfer chain of battery apron, set up the automatic detection group on the automatic transfer chain of battery apron, automatic detection group including detect the host computer and with a plurality of automatic detection mechanism that detect the host computer looks communication and connect, its characterized in that:
the automatic detection mechanism comprises a light source cover body and an image acquisition part which is arranged in the light source cover body and provided with a focusing stroke, wherein a plurality of light source monomers used for performing differentiated light supplement adjustment are arranged in the light source cover body, a controller used for being connected with the light source monomers in a communication mode to adjust the intensity of the light source monomers and the intensity of the light source is arranged in the detection host, and the image acquisition part is connected with the controller in a communication mode.
2. The automatic high-speed detection device for the battery cover plate according to claim 1, wherein:
the detection host is internally provided with a detection control module which is in one-to-one correspondence with the automatic detection mechanism, the detection control module is internally provided with at least one editing detection model, optionally, the editing detection model is internally provided with a detection time axis and a plurality of detection points distributed on the detection time axis, and optionally, the detection points comprise light source control data and image acquisition part focusing control data.
3. The automatic high-speed detection device for the battery cover plate according to claim 2, characterized in that:
and a fusion judgment module for performing defect fusion judgment on the collected data of at least two automatic detection mechanisms is arranged in the detection host.
4. The automatic high-speed detection device for the battery cover plate according to claim 1, wherein:
the light source cover body comprises a hemispherical light supplementing cover, a plurality of circumferential light source annular bands which are arranged at intervals are arranged in the hemispherical light supplementing cover, and a plurality of light source monomers which are uniformly distributed are arranged on the circumferential light source annular bands at random.
5. The automatic high-speed detection device for the battery cover plate according to claim 1, wherein:
the light source cover body is provided with a rotation adjusting part, and the light source cover body is provided with rotation adjusting displacement taking the alignment direction of the image acquisition part as a rotation axis direction.
6. The automatic high-speed detection device for the battery cover plate according to claim 5, wherein:
the automatic detection mechanism comprises a position degree adjusting mechanism for adjusting the position degree of the light source cover body, and the rotary adjusting part is arranged on the position degree adjusting mechanism.
7. The automatic high-speed detection device for the battery cover plate according to claim 6, wherein:
the position degree adjusting mechanism at least comprises linear contraposition adjusting displacement along the contraposition direction of the image acquisition part.
8. The automated high-speed inspection device for battery lids of claim 1~7, wherein:
the automatic detection group comprises a top surface automatic detection mechanism, two end surface automatic detection mechanisms, a bottom surface automatic detection mechanism and two side surface automatic detection mechanisms which are sequentially arranged along the conveying direction of the automatic conveying line of the battery cover plate.
9. The automatic high-speed detection device for the battery cover plate according to claim 8, wherein:
the automatic battery cover plate conveying line comprises a first conveying line and a second conveying line which are arranged at intervals, a code scanning recognition mechanism is arranged at the feeding end of the first conveying line, at least one NG unloading line which is arranged in parallel is arranged at the discharging end of the second conveying line, a material distributing and pushing mechanism is arranged between the NG unloading line and the first conveying line,
the bottom surface automatic detection mechanism is arranged at the bottom of the interval section of the first conveying line and the second conveying line.
10. The automatic high-speed detection device for the battery cover plate according to claim 8, wherein:
the side automatic detection mechanism is used for collecting double-sided data of the top surface and the side surface of the battery cover plate, and the end surface automatic detection mechanism is used for collecting double-sided data of the top surface and the end surface of the battery cover plate.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116359233A (en) * | 2023-06-02 | 2023-06-30 | 东声(苏州)智能科技有限公司 | Square battery appearance defect detection method and device, storage medium and electronic equipment |
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| CN116359233B (en) * | 2023-06-02 | 2023-10-03 | 东声(苏州)智能科技有限公司 | Square battery appearance defect detection method and device, storage medium and electronic equipment |
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