CN115718110A - Laminated battery cell cladding detection method, device, equipment and storage medium - Google Patents
Laminated battery cell cladding detection method, device, equipment and storage medium Download PDFInfo
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Abstract
The application provides a laminated battery cell cladding detection method, a laminated battery cell cladding detection device, laminated battery cell cladding equipment and a storage medium. The method is applied to a detection processor, the detection processor is connected with at least two cladding detection assemblies, the cladding detection assemblies comprise two pairs of ray sources and detectors which are positioned on two sides of the same angular position of a laminated battery cell, and an included angle between the ray direction of the ray sources and the edge close to the laminated battery cell is smaller than a preset detection angle; the method comprises the following steps: acquiring a first wrapping value acquired by a first wrapping detection assembly; acquiring a second coating value acquired by a second coating detection component; and comparing, analyzing and processing the first coating value, the second coating value and a preset standard value to obtain a battery cell coating detection result. The angular positions of the same battery cell are detected at two sides, so that the coating values of the angular positions in the length direction and the width direction are obtained, the obtained coating values have high authenticity, and the accuracy of judging the coating condition of the battery cell can be improved.
Description
Technical Field
The application relates to the technical field of battery manufacturing, in particular to a laminated battery cell cladding detection method, a device, equipment and a storage medium.
Background
In the related art, the projection value of the angular point of the battery pole piece is measured by adopting a mode that X rays are obliquely incident from the angular point of the battery, so that the coating condition of the battery is judged according to the projection value. However, this method cannot truly measure the coating value of the battery cell in the length and width directions thereof, and the accuracy of determining the coating condition is not high.
Disclosure of Invention
The embodiment of the application mainly aims to provide a laminated battery cell cladding detection method, a laminated battery cell cladding detection device, laminated battery cell cladding detection equipment and a storage medium, wherein the same battery cell angular position is detected at two sides, cladding values in the angular position length direction and the width direction are obtained, the obtained cladding values have high authenticity, and the accuracy of judging the cladding condition of a battery cell can be improved.
In order to achieve the above object, a first aspect of the embodiments of the present application provides a laminated battery cell cladding detection method, which is applied to a detection processor, where the detection processor is connected to at least two cladding detection assemblies, each cladding detection assembly includes two pairs of radiation sources and a detector located on two sides of a same angular position of a laminated battery cell, and the same angular position of the laminated battery cell is detected by the radiation sources and the detectors, an included angle between a radiation direction of the radiation sources and a close edge of the laminated battery cell is smaller than a preset detection angle, and the preset detection angle is 0 to 5 °; the method comprises the following steps:
acquiring a first wrapping value acquired by a first wrapping detection assembly; wherein the first cladding value comprises: a first length clad value and a first width clad value; the first length coating value is a coating value of a first cell angular position in a length direction of the laminated cell, and the first width coating value is a coating value of the first cell angular position in a width direction of the laminated cell;
acquiring a second coating value acquired by a second coating detection component; wherein the second clad value comprises: a second length clad value and a second width clad value; the second length coating value is a coating value of a second cell angular position in the length direction of the laminated cell, and the second width coating value is a coating value of the second cell angular position in the width direction of the laminated cell;
and comparing, analyzing and processing the first length coating value, the first width coating value, the second length coating value, the second width coating value and a preset standard value to obtain a battery core coating detection result.
In some embodiments, the preset standard value includes a standard length cladding value and a standard width cladding value, and the step of performing comparative analysis processing on the first length cladding value, the first width cladding value, the second length cladding value, the second width cladding value, and the preset standard value to obtain the cell cladding detection result includes:
comparing and analyzing the first length cladding value, the second length cladding value and the standard length cladding value to obtain a length cladding comparison result;
comparing, analyzing and processing the first width cladding value, the second width cladding value and the standard width cladding value to obtain a width cladding comparison result;
and integrating the length coating comparison result and the width coating comparison result to obtain the battery core coating detection result.
In some embodiments, further comprising:
acquiring a third coating value and a fourth coating value; wherein the third cladding value comprises: a third length coverage value and a third width coverage value, where the third length coverage value is a coverage value of a third cell angular position in the length direction of the laminated cell, and the third width coverage value is a coverage value of the third cell angular position in the width direction of the laminated cell; the fourth clad value includes: a fourth length coverage value and a fourth width coverage value, where the fourth length coverage value is a coverage value of a fourth cell angular position in the length direction of the laminated cell, and the fourth width coverage value is a coverage value of the fourth cell angular position in the width direction of the laminated cell;
and comparing and analyzing the first length coating value, the first width coating value, the second length coating value, the second width coating value, the third length coating value, the third width coating value, the fourth length coating value, the fourth width coating value and a preset standard value to update the battery core coating detection result.
In some embodiments, the step of obtaining the third and fourth cladding values comprises:
calculating the third length coating value according to the first length coating value, a preset standard value and a preset cell size, and calculating the fourth length coating value according to the second length coating value, a preset standard value and a preset cell size;
and calculating the third width coating value according to the first width coating value, a preset standard value and a preset cell size, and calculating the fourth width coating value according to the second width coating value, a preset standard value and a preset cell size.
In some embodiments, the inspection processor is coupled to at least four cladding inspection assemblies, and the step of obtaining a third cladding value and a fourth cladding value comprises:
calculating a third width coating value according to the first width coating value, a preset standard value and a preset cell size, and calculating a fourth width coating value according to the second width coating value, a preset standard value and a preset cell size;
acquiring a third length cladding value acquired by a third cladding detection assembly;
and acquiring the fourth length cladding value acquired by a fourth cladding detection assembly.
In some embodiments, the detection processor is coupled to at least four cladding detection assemblies, and the step of obtaining a third cladding value and a fourth cladding value comprises:
acquiring a third coating value acquired by a third coating detection component;
and acquiring the fourth coating value acquired by a fourth coating detection assembly.
In some embodiments, further comprising:
generating an interface display signal according to the cell coating detection result, and outputting the interface display signal to an external display device;
and if the battery core cladding detection result represents that cladding is poor, outputting an alarm prompt signal to an external alarm device.
In order to achieve the above object, a second aspect of the present application provides a laminated cell coating detection device, including: the detection processor is connected with at least two coating detection assemblies, each coating detection assembly comprises two pairs of ray sources and a detector which are positioned on two sides of the same angular position of the laminated cell, the same angular position of the laminated cell is detected through the ray sources and the detectors, the included angle between the ray direction of the ray sources and the edge close to the laminated cell is smaller than a preset detection angle, and the preset detection angle is 0-5 degrees; the detection processor includes:
the first detection module is used for acquiring a first wrapping value acquired by the first wrapping detection assembly; wherein the first cladding value comprises: a first length clad value and a first width clad value; the first length coating value is a coating value of a first cell angular position in a length direction of the laminated cell, and the first width coating value is a coating value of the first cell angular position in a width direction of the laminated cell;
the second detection module is used for acquiring a second coating value acquired by the second coating detection component; wherein the second clad value comprises: a second length clad value and a second width clad value; the second length coverage value is a coverage value of a second cell angular position in the length direction of the laminated cell, and the second width coverage value is a coverage value of the second cell angular position in the width direction of the laminated cell;
and the contrastive analysis module is used for contrastively analyzing the first length coating value, the first width coating value, the second length coating value, the second width coating value and a preset standard value to obtain a battery core coating detection result.
In order to achieve the above object, a third aspect of the present application provides a laminated cell cladding detection apparatus, including:
the laminated battery cell cladding detection device according to the second aspect;
at least one memory;
at least one program;
the program is stored in the memory, and the laminated cell cladding detection apparatus executes the at least one program to implement:
the method of the first aspect as described above.
In order to achieve the above object, a fourth aspect of the present application proposes a storage medium, which is a readable storage medium storing executable instructions for causing the laminated cell wrapping detection apparatus according to the second aspect to perform:
a method as described in the first aspect above.
According to the laminated battery cell cladding detection method, the laminated battery cell cladding detection device, the laminated battery cell cladding detection equipment and the storage medium, the angular positions of the same battery cell are detected on two sides, the cladding value of the angular position in the length direction and the width direction is obtained, the obtained cladding value has high authenticity, and the accuracy of judging the cladding condition of the battery cell can be improved.
Drawings
Fig. 1 is a flowchart of a laminated cell cladding detection method according to an embodiment of the present application;
FIG. 2 is a schematic view of an embodiment of a coated test assembly according to the present application;
FIG. 3 is a functional schematic diagram of one embodiment of the cladding detection assembly of the present application;
FIG. 4 is a flowchart of one embodiment of step S103 shown in FIG. 1;
fig. 5 is a flowchart of a laminated cell cladding detection method according to another embodiment of the present application;
FIG. 6 is a flowchart of one embodiment of step S301 shown in FIG. 5;
FIG. 7 is a flowchart of another embodiment of step S301 shown in FIG. 5;
FIG. 8 is a flowchart of another embodiment of step S301 shown in FIG. 5;
fig. 9 is a flowchart of a laminated cell cladding detection method according to another embodiment of the present application;
fig. 10 is a block diagram of a laminated cell cladding detection apparatus according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that although functional blocks are partitioned in a schematic diagram of an apparatus and a logical order is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the partitioning of blocks in the apparatus or the order in the flowchart. The terms first, second and the like in the description and in the claims, and the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the present application only and is not intended to be limiting of the application.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the disclosure.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
In the related art, the projection value of the angular point of the pole piece of the battery cell is measured by adopting a mode that an X ray is obliquely incident from the angular point of the battery cell, so that the coating condition of the battery cell is judged according to the projection value. However, this method cannot truly measure the coating value of the battery cell in the length and width directions thereof, and the accuracy of determining the coating condition is not high.
Based on this, the application provides a laminated battery cell cladding detection method, device, equipment and storage medium, and through detecting same battery cell angular position in both sides, obtains the cladding value of this angular position length and width direction, and the cladding value that obtains has higher authenticity, can improve the accuracy of judging the battery cell cladding condition.
Referring to fig. 1, the laminated cell cladding detection method according to the embodiment of the present application is applied to a detection processor, the detection processor is connected to at least two cladding detection assemblies, each cladding detection assembly includes two pairs of radiation sources and a detector, the two pairs of radiation sources and the detector are located on two sides of a same angular position of a laminated cell, the same angular position of the laminated cell is detected through the radiation sources and the detectors, an included angle between a radiation direction of the radiation sources and an edge close to the laminated cell is smaller than a preset detection angle, and the preset detection angle is 0 to 5 degrees; the laminated cell coating detection method includes, but is not limited to, steps S101 to S103:
step S101, a first wrapping value acquired by a first wrapping detection assembly is acquired; wherein the first cladding value comprises: a first length cladding value and a first width cladding value; the first length coating value is a coating value of a first cell angular position in the length direction of the laminated cell, and the first width coating value is a coating value of the first cell angular position in the width direction of the laminated cell;
step S102, acquiring a second coating value acquired by a second coating detection component; wherein the second cladding value comprises: a second length clad value and a second width clad value; the second length coating value is a coating value of a second cell angular position in the length direction of the laminated cell, and the second width coating value is a coating value of the second cell angular position in the width direction of the laminated cell;
step S103, comparing, analyzing and processing the first length coating value, the first width coating value, the second length coating value, the second width coating value and a preset standard value to obtain a battery cell coating detection result.
Fig. 2 is a configuration schematic diagram of a cladding detection assembly in an embodiment of the method for cladding a laminated cell according to the present application, where two cladding detection assemblies in fig. 2 respectively detect cladding values of two corner positions of a laminated cell away from a cell tab in the laminated cell. The cladding detection assembly comprises two pairs of ray sources and detectors which are positioned on two sides of the same angular position of the laminated battery cell, and the same angular position of the laminated battery cell is detected through the ray sources and the detectors. The included angle between the ray direction of ray source and the edge that lamination electricity core is close is less than predetermineeing the detection angle, and predetermines the detection angle and be 0 ~ 5. In other embodiments, the range of the preset detection angle may be adjusted according to the requirement, and is not limited herein. It can be understood that, when the cladding detection assemblies respectively detect the cladding values of two angular positions on one side of the laminated battery cell where the battery cell tab is located, the configuration modes of the radiation source and the detector are similar to those in fig. 2, and are not described herein again.
Referring to fig. 3, fig. 3 is a schematic diagram illustrating an embodiment of a cladding detection assembly according to the present invention, wherein the radiation type is X-ray, and in other embodiments, the radiation type is not limited specifically. In fig. 3, a dashed line indicates a radial direction, a indicates a coating value of the cell angular position in the width direction of the laminated cell, b indicates a coating value of the cell angular position in the length direction of the laminated cell, c indicates a distance between corner points of adjacent cell tabs at the angular position, d indicates a projection value of a corner point distance c in the radial direction, and α indicates an included angle between the radial direction of the radiation source and an edge of the laminated cell that is close to the radial direction. In fig. 3 (a), the ray direction of the ray source is close to the width of the laminated cell, α represents the included angle between the ray direction and the width of the laminated cell, and the closer α is to zero, the closer projection value d is to the real width cladding value a. In fig. 3 (b), the ray direction of the ray source is close to the long side of the laminated cell, α represents the included angle between the ray direction and the length direction of the laminated cell, and the closer α is to zero, the closer projection value d is to the real length cladding value b. The detection of the projection value d is carried out by respectively pressing close to the long edge and the wide edge of the laminated battery cell, so that the length coating value and the width coating value with high authenticity can be respectively obtained. The smaller the α, the higher the authenticity of the coating value obtained. It will be appreciated that the particular value of α is related to the accuracy of the associated detection device.
In steps S101 to S102 illustrated in the embodiment of the present application, the same electrical core angular position is detected on both sides, so that the cladding value with higher authenticity in the angular position length and width directions is obtained, and the accuracy of the electrical core cladding condition obtained by performing comparative analysis on the cladding values of different angular positions is improved.
In step S101 of some embodiments, referring to fig. 2, the first wrapping detection assembly is disposed at one of two angular positions of a side of the laminated battery cell away from the battery cell tab.
In step S102 of some embodiments, referring to fig. 2, the second coating detection assembly is disposed at another angular position away from the cell tab adjacent to the first coating assembly.
In step S103 of some embodiments, the preset standard value is a range value obtained by summarizing the coating values collected from the lamination cells with good preset coating conditions, and is compared with the collected coating value of the measured lamination cell, so as to determine the coating condition of the measured lamination cell.
In some embodiments, referring to fig. 4, the preset standard values include a standard length cladding value and a standard width cladding value, and the step S103 includes, but is not limited to, steps S201 to S203:
step S201, comparing, analyzing and processing the first length cladding value, the second length cladding value and the standard length cladding value to obtain a length cladding comparison result;
step S202, comparing, analyzing and processing the first width coating value, the second width coating value and the standard width coating value to obtain a width coating comparison result;
step S203, integrating the length coating comparison result and the width coating comparison result to obtain a cell coating detection result.
In steps S201 to S203 illustrated in the embodiment of the present application, the length coating value and the width coating value are respectively subjected to comparison analysis to obtain comparison results, and then the comparison results are integrated, so that the reliability of the finally obtained battery cell coating detection result is improved.
In step S201 of some embodiments, the standard length coating value is a range value obtained by summarizing length coating values collected from laminated battery cells with good preset coating conditions, and a comparison result of whether the length coating is normal is obtained by comparing whether the first length coating value and the second length coating value are both within a range represented by the standard length coating value.
In step S202 of some embodiments, the standard width coating value is a range value obtained by summarizing width coating values collected from laminated cells with good preset coating conditions, and a comparison result of whether the width coating is normal is obtained by comparing whether the first width coating value and the second width coating value are both within a range represented by the standard width coating value.
In step S203 of some embodiments, if the first length cladding value and the second length cladding value are both within the range represented by the standard length cladding value, and the first width cladding value and the second width cladding value are both within the range represented by the standard width cladding value, the cladding condition of the laminated battery cell is normal; otherwise, the laminated cell has poor coating.
In some embodiments, referring to fig. 5, the laminated cell cladding detection method further includes, but is not limited to, step S301 to step S302:
step S301, acquiring a third cladding value and a fourth cladding value; wherein the third cladding value comprises: a third length cladding value and a third width cladding value, wherein the third length cladding value is a cladding value of a third cell angular position in the length direction of the laminated cell, and the third width cladding value is a cladding value of the third cell angular position in the width direction of the laminated cell; the fourth clad value includes: a fourth length cladding value and a fourth width cladding value, wherein the fourth length cladding value is a cladding value of a fourth cell angular position in the length direction of the laminated cell, and the fourth width cladding value is a cladding value of the fourth cell angular position in the width direction of the laminated cell;
step S302, comparing and analyzing the first length cladding value, the first width cladding value, the second length cladding value, the second width cladding value, the third length cladding value, the third width cladding value, the fourth length cladding value, the fourth width cladding value, and a preset standard value to update the cell cladding detection result.
Steps S301 to S302 that this application embodiment illustrates, on the basis of detecting the cladding value of first electric core angular position and second electric core angular position, acquire the cladding value of other two angular positions of lamination electric core and carry out contrastive analysis to detect the cladding condition of lamination electric core comprehensively, obtain more accurate electric core cladding testing result.
In step S301 of some embodiments, the third cell angular position and the fourth cell angular position are cell angular positions on a side where the cell tabs are located. The third cell corner is a diagonal corner of the first cell corner, and the fourth cell corner is a diagonal corner of the second cell corner.
In step S302 of some embodiments, the coating values at four angular positions of the laminated battery cell are compared with preset standard values, so as to comprehensively detect the coating condition of the laminated battery cell.
In some embodiments, referring to fig. 6, step S301 includes, but is not limited to, steps S401 to S402:
step S401, calculating a third length coating value according to the first length coating value, a preset standard value and a preset cell size, and calculating a fourth length coating value according to the second length coating value, the preset standard value and the preset cell size;
step S402, calculating a third width coating value according to the first width coating value, the preset standard value and the preset cell size, and calculating a fourth width coating value according to the second width coating value, the preset standard value and the preset cell size.
Step S401 to step S402 that this application embodiment illustrates, through the cladding value of predetermined electric core size data and first electric core angular position and second electric core angular position that detects direct calculation third electric core angular position and fourth electric core angular position, need not to set up cladding detection assembly again and detect third electric core angular position and fourth electric core angular position to save the device cost.
In step S401 of some embodiments, the width cladding value of the diagonal corner position is calculated based on the already measured width cladding value of the corner position and the preset cell size. And the preset standard value is used for verifying the calculated coating value. In other embodiments, the width coverage values of adjacent angular positions may also be calculated simultaneously from the already measured width coverage values of the angular positions.
In step S402 of some embodiments, the length cladding value of the diagonal corner is calculated based on the measured length cladding value of the corner and the preset cell size. And the preset standard value is used for verifying the calculated coating value. In other embodiments, the length covering values of adjacent angular positions can also be calculated by the measured length covering values of the angular positions.
In some embodiments, referring to fig. 7, the detection processor is connected to at least four cladding detection assemblies, and step S301 includes, but is not limited to, steps S501 to S503:
step S501, calculating a third width coating value according to the first width coating value, a preset standard value and a preset cell size, and calculating a fourth width coating value according to the second width coating value, the preset standard value and the preset cell size;
step S502, acquiring a third length cladding value acquired by a third cladding detection assembly;
step S503, a fourth length cladding value acquired by the fourth cladding detection assembly is acquired.
In steps S501 to S503 illustrated in the embodiment of the present application, the third cladding value and the fourth cladding value are obtained by a method combining two modes of detection and calculation, so that the authenticity of the obtained third cladding value and fourth cladding value is improved.
In step S501 of some embodiments, the width cladding value of the diagonal corner position is calculated based on the already measured width cladding value of the corner position and the preset cell size. And the preset standard value is used for verifying the calculated coating value. In other embodiments, the width coverage values of adjacent angular positions may also be calculated simultaneously from the already measured width coverage values of the angular positions.
In steps S502 and S503 of some embodiments, when the third and fourth cell angular positions are detected by the cladding detection assembly, the cell tabs need to be stroked up to avoid the influence of the cell tabs on the radiographic imaging of the detector.
In some embodiments, referring to fig. 8, the detection processor is connected to at least four cladding detection assemblies, and step S301 includes, but is not limited to, steps S601 to S602:
step S601, acquiring a third coating value acquired by a third coating detection assembly;
step S602, a fourth cladding value acquired by the fourth cladding detection assembly is acquired.
In steps S601 to S602 illustrated in the embodiment of the present application, the cladding conditions of the third electrical core angular position and the fourth electrical core angular position are directly detected by the cladding detection assembly, and the third cladding value and the fourth cladding value can be obtained more quickly.
In steps S601 and S602 of some embodiments, when the third and fourth cell angular positions are detected by the cladding detection assembly, the cell tab needs to be stroked up to avoid the influence of the cell tab on the radiographic imaging of the detector.
In some embodiments, referring to fig. 9, the laminated cell cladding detection method further includes, but is not limited to, steps S701 to S702:
step S701, generating an interface display signal according to the cell coating detection result, and outputting the interface display signal to an external display device;
and step S702, if the cell cladding detection result indicates that the cladding is poor, outputting an alarm prompt signal to an external alarm device.
In steps S701 to S702 illustrated in the embodiment of the present application, the coating detection result is displayed by the external display device, which is convenient for the detection personnel to check. And prompting a detector to process the laminated battery cell with poor coating through an external alarm device.
In step S701 of some embodiments, the first length cladding value, the first width cladding value, the second length cladding value, the second width cladding value, the third length cladding value, the third width cladding value, the fourth length cladding value, and the fourth width cladding value may also be displayed at the same time, so that a tester can know the cladding detection condition of the laminated battery in detail.
In step S702 of some embodiments, the external alarm device is a light alarm or an audible alarm.
Referring to fig. 10, an embodiment of the present application further provides a laminated cell cladding detection apparatus, including: the detection processor is connected with at least two coating detection assemblies, each coating detection assembly comprises two pairs of ray sources and a detector which are positioned on two sides of the same angular position of the laminated cell, the same angular position of the laminated cell is detected through the ray sources and the detectors, the included angle between the ray direction of the ray sources and the edge close to the laminated cell is smaller than a preset detection angle, and the preset detection angle is 0-5 degrees; the detection processor includes:
the first detection module is used for acquiring a first wrapping value acquired by the first wrapping detection assembly; wherein the first cladding value comprises: a first length clad value and a first width clad value; the first length coating value is a coating value of a first cell angular position in the length direction of the laminated cell, and the first width coating value is a coating value of the first cell angular position in the width direction of the laminated cell;
the second detection module is used for acquiring a second coating value acquired by the second coating detection component; wherein the second cladding value comprises: a second length clad value and a second width clad value; the second length coating value is a coating value of a second battery cell angular position in the length direction of the laminated battery cell, and the second width coating value is a coating value of the second battery cell angular position in the width direction of the laminated battery cell;
and the comparison analysis module is used for performing comparison analysis processing on the first length coating value, the first width coating value, the second length coating value, the second width coating value and a preset standard value to obtain a battery core coating detection result.
The laminated battery core cladding detection device provided by the embodiment of the application detects the same battery core angular position on two sides, obtains the cladding value of the higher authenticity of the angular position length and the width direction, and accordingly improves the accuracy of the battery core cladding condition obtained by carrying out contrastive analysis on the cladding values of different angular positions.
The embodiment of the present application further provides a laminated battery core cladding detection device, including:
the laminated cell cladding detection device according to the above embodiment;
at least one memory;
at least one program;
a program is stored in the memory, and the laminated cell cladding detection apparatus executes at least one program to implement:
the laminated cell cladding detection method according to any one of the above embodiments.
An embodiment of the present application further provides a storage medium, where the storage medium is a readable storage medium, and the readable storage medium stores executable instructions, and the executable instructions are configured to enable the laminated cell cladding detection apparatus according to the above embodiment to perform:
the laminated cell cladding detection method according to any one of the above embodiments.
The embodiments described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided in the embodiments of the present application, and it is obvious to those skilled in the art that the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems with the evolution of technologies and the emergence of new application scenarios.
It will be appreciated by those skilled in the art that the embodiments shown in the figures are not intended to limit the embodiments of the present application and may include more or fewer steps than those shown, or some of the steps may be combined, or different steps may be included.
The above-described embodiments of the apparatus are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may also be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
One of ordinary skill in the art will appreciate that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes multiple instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing programs, such as a usb disk, a portable hard disk, a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. A laminated battery cell cladding detection method is characterized by being applied to a detection processor, wherein the detection processor is connected with at least two cladding detection assemblies, each cladding detection assembly comprises two pairs of ray sources and a detector which are positioned on two sides of the same angular position of a laminated battery cell, the same angular position of the laminated battery cell is detected through the ray sources and the detectors, the included angle between the ray direction of the ray sources and the edge close to the laminated battery cell is smaller than a preset detection angle, and the preset detection angle is 0-5 degrees; the method comprises the following steps:
acquiring a first wrapping value acquired by a first wrapping detection assembly; wherein the first cladding value comprises: a first length cladding value and a first width cladding value; the first length coverage value is a coverage value of a first cell angular position in a length direction of the laminated cell, and the first width coverage value is a coverage value of the first cell angular position in a width direction of the laminated cell;
acquiring a second coating value acquired by a second coating detection component; wherein the second cladding value comprises: a second length cladding value and a second width cladding value; the second length coverage value is a coverage value of a second cell angular position in the length direction of the laminated cell, and the second width coverage value is a coverage value of the second cell angular position in the width direction of the laminated cell;
and comparing, analyzing and processing the first length coating value, the first width coating value, the second length coating value, the second width coating value and a preset standard value to obtain a battery cell coating detection result.
2. The method according to claim 1, wherein the preset standard value includes a standard length cladding value and a standard width cladding value, and the step of performing comparative analysis on the first length cladding value, the first width cladding value, the second length cladding value, the second width cladding value, and the preset standard value to obtain the cell cladding detection result includes:
comparing, analyzing and processing the first length cladding value, the second length cladding value and the standard length cladding value to obtain a length cladding comparison result;
comparing and analyzing the first width coating value, the second width coating value and the standard width coating value to obtain a width coating comparison result;
and integrating the length coating comparison result and the width coating comparison result to obtain the battery core coating detection result.
3. The method of claim 1, further comprising:
acquiring a third coating value and a fourth coating value; wherein the third cladding value comprises: a third length cladding value and a third width cladding value, wherein the third length cladding value is a cladding value of a third cell angular position in the length direction of the laminated cell, and the third width cladding value is a cladding value of the third cell angular position in the width direction of the laminated cell; the fourth clad value includes: a fourth length coverage value and a fourth width coverage value, where the fourth length coverage value is a coverage value of a fourth cell angular position in the length direction of the laminated cell, and the fourth width coverage value is a coverage value of the fourth cell angular position in the width direction of the laminated cell;
and comparing and analyzing the first length coating value, the first width coating value, the second length coating value, the second width coating value, the third length coating value, the third width coating value, the fourth length coating value, the fourth width coating value and a preset standard value to update the battery core coating detection result.
4. The method of claim 3, wherein the step of obtaining the third and fourth coating values comprises:
calculating the third length coating value according to the first length coating value, a preset standard value and a preset cell size, and calculating the fourth length coating value according to the second length coating value, a preset standard value and a preset cell size;
and calculating the third width coating value according to the first width coating value, a preset standard value and a preset cell size, and calculating the fourth width coating value according to the second width coating value, a preset standard value and a preset cell size.
5. The method of claim 3, wherein the inspection processor is coupled to at least four cladding inspection assemblies, and wherein the step of obtaining a third cladding value and a fourth cladding value comprises:
calculating a third width coating value according to the first width coating value, a preset standard value and a preset cell size, and calculating a fourth width coating value according to the second width coating value, a preset standard value and a preset cell size;
acquiring a third length cladding value acquired by a third cladding detection assembly;
and acquiring the fourth length cladding value acquired by a fourth cladding detection assembly.
6. The method of claim 3, wherein the inspection processor is coupled to at least four cladding inspection assemblies, and wherein the step of obtaining a third cladding value and a fourth cladding value comprises:
acquiring a third coating value acquired by a third coating detection assembly;
and acquiring the fourth coating value acquired by a fourth coating detection assembly.
7. The method of any of claims 1 to 6, further comprising:
generating an interface display signal according to the cell coating detection result, and outputting the interface display signal to an external display device;
and if the battery core cladding detection result represents that cladding is poor, outputting an alarm prompt signal to an external alarm device.
8. The utility model provides a lamination electricity core cladding detection device which characterized in that, lamination electricity core cladding detection device includes: the detection processor is connected with at least two coating detection assemblies, each coating detection assembly comprises two pairs of ray sources and detectors which are positioned on two sides of the same angular position of the laminated battery cell, the same angular position of the laminated battery cell is detected through the ray sources and the detectors, the included angle between the ray direction of the ray sources and the edge close to the laminated battery cell is smaller than a preset detection angle, and the preset detection angle is 0-5 degrees; the detection processor includes:
the first detection module is used for acquiring a first wrapping value acquired by the first wrapping detection assembly; wherein the first cladding value comprises: a first length clad value and a first width clad value; the first length coverage value is a coverage value of a first cell angular position in a length direction of the laminated cell, and the first width coverage value is a coverage value of the first cell angular position in a width direction of the laminated cell;
the second detection module is used for acquiring a second coating value acquired by the second coating detection component; wherein the second clad value comprises: a second length cladding value and a second width cladding value; the second length coating value is a coating value of a second cell angular position in the length direction of the laminated cell, and the second width coating value is a coating value of the second cell angular position in the width direction of the laminated cell;
and the contrastive analysis module is used for contrastively analyzing the first length coating value, the first width coating value, the second length coating value, the second width coating value and a preset standard value to obtain a battery core coating detection result.
9. The utility model provides a lamination electricity core cladding check out test set which characterized in that includes:
the laminated cell cladding detection apparatus of claim 8;
at least one memory;
at least one program;
the program is stored in the memory, and the laminated cell cladding detection apparatus executes the at least one program to implement:
the method of any one of claims 1 to 7.
10. A storage medium, wherein the storage medium is a readable storage medium storing executable instructions for causing the laminated cell wrapping detection apparatus of claim 8 to perform:
the method of any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211446457.6A CN115718110A (en) | 2022-11-18 | 2022-11-18 | Laminated battery cell cladding detection method, device, equipment and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211446457.6A CN115718110A (en) | 2022-11-18 | 2022-11-18 | Laminated battery cell cladding detection method, device, equipment and storage medium |
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Applicant after: Xinwangda Power Technology Co.,Ltd. Address before: 518000 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Applicant before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |