CN114923428A - Battery cell tab margin detection equipment and detection method - Google Patents
Battery cell tab margin detection equipment and detection method Download PDFInfo
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- CN114923428A CN114923428A CN202210219864.7A CN202210219864A CN114923428A CN 114923428 A CN114923428 A CN 114923428A CN 202210219864 A CN202210219864 A CN 202210219864A CN 114923428 A CN114923428 A CN 114923428A
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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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to a battery core tab margin detection device and a detection method; the detection equipment comprises a battery cell carrying mechanism, a battery cell detection mechanism and a battery cell detection mechanism, wherein the battery cell carrying mechanism is used for moving a battery cell to a detection position; performing closed-loop control on the movement of the battery cell according to the NG signal and the deviation correction data fed back by the edge distance detection device; and the edge distance detection device is used for acquiring images of the battery cell at the detection position, analyzing and processing the images by adopting an isometric measurement, a fuzzy measurement and a template positioning algorithm, and generating an NG signal and feeding the deviation correction data back to the battery cell carrying mechanism. The invention adds a stable carrying mechanism and a camera shooting combination, so that the original equipment realizes deviation rectifying feedback on the feeding position. Real-time correction is carried out, NG products flowing down are reduced, and secondary measurement of personnel on the products is also reduced.
Description
Technical Field
The invention relates to the technical field of battery cell tab detection, in particular to battery cell tab edge distance detection equipment and a detection method.
Background
The dislocation of different situations appears in the margin of board electricity core in process of production, needs personnel to carry out side face control, otherwise the product of producing has bad article increase risk to next process.
The machine mainly appears in the production process that the supplied materials are inconsistent and lead to measuring unstability, and some data deviations that electric core thickness leads to and the closed loop that the stroke precision of former equipment leads to realizes the precision not enough.
Disclosure of Invention
The invention provides a battery cell tab margin detection device and a detection method aiming at the technical problems in the prior art.
The technical scheme for solving the technical problems is as follows:
in a first aspect, the present invention provides a battery cell tab margin detection apparatus, including:
the battery cell carrying mechanism is used for moving the battery cell to a detection position; carrying out closed-loop control on the movement of the battery cell according to the NG signal and the deviation correction data fed back by the edge distance detection device;
and the edge distance detection device is used for acquiring images of the battery cell at the detection position, analyzing and processing the images by adopting an isometric measurement, a fuzzy measurement and a template positioning algorithm, and generating an NG signal and feeding the deviation correction data back to the battery cell carrying mechanism.
Further, the battery cell handling mechanism specifically includes:
the front-back moving assembly is used for controlling the battery cell to move in the front-back direction;
the left-right moving assembly is arranged at the upper part of the front-back moving assembly, is movably connected with the front-back moving assembly and is used for controlling the battery cell to move in the left-right direction;
the automatic opening and closing clamping assembly is arranged at the upper part of the left-right moving assembly, is movably connected with the left-right moving assembly and is used for clamping and controlling the battery cell;
and the rear shaping assembly is arranged on the opposite side of the automatic opening and closing clamping assembly and is used for carrying out movement control on the electric core.
Further, the back-and-forth movement assembly specifically includes:
cylinder, anchor clamps, air-vent valve, relief pressure valve, buffer and optics clamp plate.
Further, the left-right moving assembly specifically includes:
cylinder, anchor clamps, air-vent valve, relief pressure valve, buffer and optics clamp plate.
Further, the margin detection device specifically includes:
the camera assembly is arranged at a set height position above the battery cell and is used for acquiring images of the battery cell at the detection position;
the pressing electric core assembly is arranged on one side of the camera assembly, is fixedly connected with the camera assembly and is used for controlling the camera assembly to acquire images;
the lifting assembly is arranged on the upper part of the voltage-uniform electric core assembly and is used for controlling and adjusting the height of the camera assembly;
the backlight source is arranged at the lower part of the battery cell and used for providing a light source when the battery cell is subjected to image acquisition;
and the image processing module is used for performing image analysis processing by adopting an isometric measurement, a fuzzy measurement and a template positioning algorithm according to the battery cell image acquired by the camera assembly, generating an NG signal and feeding the deviation correction data back to the battery cell carrying mechanism.
Further, the camera assembly specifically includes:
a camera;
a steerable prism disposed at the camera lens end.
Further, still include:
the removing and conveying device is arranged on one side of the pressing clothes electric core assembly and used for moving the electric core to be removed after detection to the NG electric core collecting assembly;
and the NG battery cell collecting assembly is arranged on one side of the automatic opening and closing clamping assembly and is used for collecting the battery cells which need to be rejected after detection.
In a second aspect, the invention provides a method for detecting an edge distance of a tab of an electric core, which comprises the following steps:
s1, moving the battery cell to a detection position by using the battery cell carrying mechanism;
s2, acquiring images of the battery cell at the detection position by using the edge distance detection device, analyzing and processing the images by using an isometric measurement, a fuzzy measurement and a template positioning algorithm, generating an NG signal and feeding correction data back to the battery cell carrying mechanism;
and S3, performing closed-loop control on the movement of the battery cell by using the battery cell carrying mechanism according to the NG signal and the deviation correcting data fed back by the edge distance detection device.
In a third aspect, the present invention provides an electronic device, comprising:
a memory for storing a computer software program;
and the processor is used for reading and executing the computer software program so as to further realize the battery core tab edge distance detection method.
In a fourth aspect, the present invention provides a non-transitory computer-readable storage medium, in which a computer software program for implementing the above-mentioned method for detecting edge distance of a cell tab is stored.
The beneficial effects of the invention are:
the invention adds a stable carrying mechanism and a camera shooting combination, so that the original equipment realizes deviation correction feedback on the feeding position. The real-time correction is carried out, NG products flowing down are reduced, and secondary measurement of personnel on the products is also reduced.
Drawings
Fig. 1 is a schematic diagram of an embodiment of a device for detecting an edge distance of a tab of an electrical core according to an embodiment of the present invention;
fig. 2 is a diagram of a second embodiment of a device for detecting a cell tab edge distance, according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an embodiment of a method for detecting a cell tab edge distance according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an embodiment of an electronic device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an embodiment of a computer-readable storage medium provided in an embodiment of the present invention.
Wherein the reference numerals are: 1-1, a front-back moving assembly, 1-2, a left-right moving assembly, 1-3, an automatic opening and closing clamping assembly, 1-4, a rear shaping assembly, 2-1, a camera assembly, 2-2, a pressing battery cell assembly, 2-3, a lifting assembly, 2-4, a backlight source, 3-1, a removing and conveying device, 3-2 and an NG battery cell collecting assembly.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, the examples of which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a device for detecting a cell tab edge distance, including:
the battery cell carrying mechanism is used for moving the battery cell to a detection position; performing closed-loop control on the movement of the battery cell according to the NG signal and the deviation correction data fed back by the edge distance detection device;
and the edge distance detection device is used for acquiring images of the battery cell at the detection position, analyzing and processing the images by adopting an isometric measurement, a fuzzy measurement and a template positioning algorithm, and generating an NG signal and feeding the deviation correction data back to the battery cell carrying mechanism.
In an optional embodiment of the present invention, the battery cell handling mechanism specifically includes:
the front-back moving assembly 1-1 is used for controlling the battery cell to move in the front-back direction;
the left-right moving assembly 1-2 is arranged at the upper part of the front-back moving assembly 1-1, is movably connected with the front-back moving assembly 1-1 and is used for controlling the battery cell to move in the left-right direction;
the automatic opening and closing clamping assembly 1-3 is arranged at the upper part of the left-right moving assembly 1-2, is movably connected with the left-right moving assembly 1-2 and is used for clamping and controlling the battery cell;
and the rear shaping assembly 1-4 is arranged on the opposite side of the automatic opening and closing clamping assembly 1-3 and used for controlling the movement of the battery cell.
Wherein, the back-and-forth movement component 1-1 specifically comprises:
cylinder, anchor clamps, air-vent valve, relief pressure valve, buffer and optics clamp plate.
The left-right moving assembly 1-2 specifically comprises:
cylinder, anchor clamps, air-vent valve, relief pressure valve, buffer and optics clamp plate.
In an optional embodiment of the present invention, the edge distance detecting device specifically includes:
the camera assembly 2-1 is arranged at a set height position above the battery cell, and is used for acquiring an image of the battery cell at the detection position;
the pressing electric core assembly 2-2 is arranged on one side of the camera assembly, is fixedly connected with the camera assembly 2-1 and is used for controlling the camera assembly 2-1 to acquire images;
the lifting component 2-3 is arranged on the upper part of the pressing electric core component 2-2 and is used for controlling and adjusting the height of the camera component 2-1;
the backlight source 2-4 is arranged at the lower part of the battery core and used for providing a light source when the battery core is subjected to image acquisition;
and the image processing module is used for performing image analysis processing by adopting an isometric measurement, a fuzzy measurement and a template positioning algorithm according to the battery cell image acquired by the camera assembly 2-1, generating an NG signal and feeding the deviation correction data back to the battery cell carrying mechanism.
Wherein the camera assembly 2-1 specifically comprises:
a camera;
a steerable prism disposed at the camera lens end.
In an optional embodiment of the present invention, the detection apparatus of the present invention further comprises:
the rejection conveying device 3-1 is arranged on one side of the press-fit battery cell assembly 2-2 and used for moving the battery cells to be rejected after detection to the NG battery cell collecting assembly 3-2;
the NG battery cell collecting assembly 3-2 is arranged on one side of the automatic opening and closing clamping assembly 1-3 and used for collecting the battery cells which need to be rejected after detection.
According to the invention, the battery cell is moved to a measurement position through the matching action of the front-back moving assembly 1-1, the left-right moving assembly 1-2, the automatic opening-closing clamping assembly 1-3 and the rear shaping assembly 1-4, and then the battery cell is pressed to perform CCD shooting measurement. And controlling the feeding position of the control equipment through the edge distance dislocation value to realize closed-loop deviation correction. The cell is stabilized in a small area by adjusting the cell carrying mechanism to deviate, correction is realized by positioning the template to realize the factor of inconsistent incoming materials, the change of the thickness is calibrated and corrected by the shooting position of the camera and the distortion of the lens, the advancing precision can be calculated by the image analysis data of the original equipment without adjustment, and NG signal feedback and deviation correction data feedback are carried out on the original equipment by software.
The invention replaces the original carrying mechanism, and replaces the combined system of the vision system and the cell carrying mechanism, the software firstly controls the cell to feed materials, the cell passes through the cell carrying mechanism to stably reach the camera shooting area, then controls the camera light source to start shooting, the software carries out image analysis, measures the set size distance, statistically outputs signals and feeds back deviation correction data, and finally the cell carrying mechanism carries out the cell carrying out of the detection area and flows to the conveyer belt.
The invention uses the combination of a camera and a cell carrying mechanism to replace the original carrying mechanism of equipment to detect the size of the appearance of the product cell, and adopts the combination of various algorithms, namely equidistant measurement, fuzzy measurement and template positioning; the system is suitable for checking a plurality of products, and is in signal data interaction with a machine table, so that the stable control of the edge distance is realized. The vision system mainly realizes the set measuring distance, acquires pictures through controlling light source irradiation and a camera, enters an image analysis module, calculates and analyzes the set size position, and finally feeds back to the machine through an IO module and a communication module to realize NG signal feedback and deviation correction data feedback, so that the machine achieves closed-loop control of production.
Example 2
As shown in fig. 2, an embodiment of the present invention provides a method for detecting a cell tab edge distance, including the following steps S1 to S3:
s1, moving the battery cell to a detection position by using the battery cell carrying mechanism;
s2, acquiring images of the battery cell at the detection position by using the edge distance detection device, analyzing and processing the images by using an isometric measurement, a fuzzy measurement and a template positioning algorithm, and generating an NG signal and feeding correction data back to the battery cell carrying mechanism;
and S3, performing closed-loop control on the movement of the battery cell by using the battery cell carrying mechanism according to the NG signal and the deviation correcting data fed back by the edge distance detection device.
Referring to fig. 3, fig. 3 is a schematic diagram of an embodiment of an electronic device according to an embodiment of the invention. As shown in fig. 3, an embodiment of the present invention provides an electronic device 500, which includes a memory 510, a processor 520, and a computer program 511 stored in the memory 520 and executable on the processor 520, where the processor 520 executes the computer program 511 to implement a method for detecting a cell tab edge distance.
Referring to fig. 4, fig. 4 is a schematic diagram illustrating an embodiment of a computer-readable storage medium according to the present invention. As shown in fig. 4, the present embodiment provides a computer-readable storage medium 600, on which a computer program 611 is stored, and when the computer program 611 is executed by a processor, the computer program 611 implements a method for detecting a cell tab edge distance.
It should be noted that, in the foregoing embodiments, the description of each embodiment has an emphasis, and reference may be made to the related description of other embodiments for a part that is not described in detail in a certain embodiment.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides an electricity core utmost point ear margin check out test set which characterized in that includes:
the battery cell carrying mechanism is used for moving the battery cell to a detection position; performing closed-loop control on the movement of the battery cell according to the NG signal and the deviation correction data fed back by the edge distance detection device;
and the edge distance detection device is used for acquiring images of the battery cell at the detection position, analyzing and processing the images by adopting an isometric measurement, a fuzzy measurement and a template positioning algorithm, and generating an NG signal and feeding the deviation correction data back to the battery cell carrying mechanism.
2. The apparatus according to claim 1, wherein the cell handling mechanism specifically includes:
the front-back moving assembly (1-1) is used for controlling the battery cell to move in the front-back direction;
the left-right moving assembly (1-2), the left-right moving assembly (1-2) is arranged at the upper part of the front-back moving assembly (1-1), is movably connected with the front-back moving assembly (1-1), and is used for controlling the battery cell to move in the left-right direction;
the automatic opening and closing clamping assembly (1-3), the automatic opening and closing clamping assembly (1-3) is arranged at the upper part of the left-right moving assembly (1-2), is movably connected with the left-right moving assembly (1-2), and is used for clamping and controlling the battery cell;
the battery cell shaping device comprises a rear shaping assembly (1-4), wherein the rear shaping assembly (1-4) is arranged on the opposite side of the automatic opening and closing clamping assembly (1-3) and used for controlling the movement of the battery cell.
3. The cell tab edge distance detection apparatus according to claim 2, wherein the forward-backward movement assembly (1-1) specifically comprises:
cylinder, anchor clamps, air-vent valve, relief pressure valve, buffer and optics clamp plate.
4. The cell tab edge distance detection apparatus according to claim 2, wherein the left-right movement assembly (1-2) specifically comprises:
the device comprises a cylinder, a clamp, a pressure regulating valve, a pressure reducing valve, a buffer and an optical pressing plate.
5. The apparatus according to claim 1, wherein the edge distance detection device specifically includes:
the camera assembly (2-1) is arranged above the battery cell at a set height position and is used for acquiring an image of the battery cell at the detection position;
the pressing electric core assembly (2-2), the pressing electric core assembly (2-2) is arranged on one side of the camera assembly (2-1), is fixedly connected with the camera assembly (2-1), and is used for controlling the camera assembly (2-1) to acquire images;
the lifting component (2-3) is arranged on the upper part of the piezoelectric core component (2-2) and is used for controlling and adjusting the height of the camera component (2-1);
the backlight source (2-4), the backlight source (2-4) is arranged at the lower part of the battery cell and is used for providing a light source when the battery cell is subjected to image acquisition;
and the image processing module is used for carrying out image analysis processing by adopting an isometric measurement, a fuzzy measurement and a template positioning algorithm according to the battery cell image acquired by the camera assembly (2-1), generating an NG signal and feeding back the deviation correction data to the battery cell carrying mechanism.
6. The cell tab edge distance detection apparatus according to claim 5, wherein the camera assembly (2-1) specifically comprises:
a camera;
a steerable prism disposed at the camera lens end.
7. The cell tab margin detection apparatus of claim 1, further comprising:
the rejection conveying device (3-1) is arranged on one side of the pressing battery cell assembly (2-2) and is used for moving the battery cells to be rejected after detection to the NG battery cell collecting assembly (3-2);
the NG battery cell collecting assembly (3-2) is arranged on one side of the automatic opening and closing clamping assembly (1-3) and used for collecting the battery cells which need to be removed after detection.
8. A method for detecting the edge distance of a battery core tab is characterized by comprising the following steps:
s1, moving the battery cell to a detection position by using the battery cell carrying mechanism;
s2, acquiring images of the battery cell at the detection position by using the edge distance detection device, analyzing and processing the images by using an isometric measurement, a fuzzy measurement and a template positioning algorithm, and generating an NG signal and feeding correction data back to the battery cell carrying mechanism;
and S3, performing closed-loop control on the movement of the battery cell by using the battery cell carrying mechanism according to the NG signal and the deviation correction data fed back by the edge distance detection device.
9. An electronic device, comprising:
a memory for storing a computer software program;
a processor, configured to read and execute the computer software program, so as to implement the method for detecting a cell tab edge distance according to claim 8.
10. A non-transitory computer-readable storage medium, wherein the storage medium stores therein a computer software program for implementing the cell tab edge distance detection method of claim 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210219864.7A CN114923428A (en) | 2022-03-08 | 2022-03-08 | Battery cell tab margin detection equipment and detection method |
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| CN202210219864.7A CN114923428A (en) | 2022-03-08 | 2022-03-08 | Battery cell tab margin detection equipment and detection method |
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