CN219552233U - Electrode burr detection device and electrode comprehensive detection equipment - Google Patents
Electrode burr detection device and electrode comprehensive detection equipment Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 215
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 5
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- 239000013072 incoming material Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 3
- 239000011232 storage material Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 11
- 238000003860 storage Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
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- 230000005540 biological transmission Effects 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2301/00—Sorting according to destination
- B07C2301/0008—Electronic Devices, e.g. keyboard, displays
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides an electrode burr detection device and electrode comprehensive detection equipment, which belong to the field of battery detection based on machine vision, wherein the burr detection device comprises a burr detection camera, a burr detection lens, a burr detection light source, a burr detection mounting frame, a camera lens frame, a sliding mechanism, a light source adapter plate, a lens hoop, a positioning block, a material sensor, a material receiving sensing frame, a stabilizing piece and an auxiliary material sensor; the two burr detection light sources are horizontally opposite, and the burr detection is carried out on the electrode conveyed between the two burr detection light sources through the burr detection camera; the utility model provides comprehensive detection of various types of flaws including burr detection of the battery electrode, avoids the problems of high omission factor, low speed and the like caused by manual or semi-automatic detection, and can be widely applied to the detection field of power batteries.
Description
Technical Field
The utility model belongs to the field of battery detection based on machine vision, and particularly relates to electrode comprehensive detection equipment of an electrode burr detection device, which can be widely popularized and applied to product detection of an electrode or an end cover of an automobile power battery.
Background
With environmental deterioration and new energy technology application, power batteries are widely applied to electric vehicles, and the innovation of the technology enables the volume and the energy density of the batteries to be increased more and more, so that the energy modules of the electric vehicles are further developed and improved.
In which, by 4680/4695 power cells, the electrode of the cell (see fig. 1) has gradually eliminated the battery tab, and the electrodeless tab structure is adopted, so that the heat generation point is reduced or eliminated, and therefore, the cost of the heat control or the cooling or heat dissipation system of the automobile is further reduced. However, the quality requirements of the battery end cover without the electrode lug are correspondingly improved, and the tolerance degree of burrs, dirt, foreign matters, scratches, pits, bright marks, different colors, metal scraps and the like of the battery end cover is further reduced. In the field of processing technology of battery pole pieces/electrodes, after pole piece coating and cutting are completed, whether burrs exist on the periphery of the pole piece is checked, and particularly, whether burrs exist at a middle round hole or not is noted for a power battery. The existing burr detection method is to detect through modes of manual observation, hand touch, semi-automatic observation and the like; obviously, the traditional manual naked eye detection or semi-automatic detection does not meet the current production requirements of high precision and high efficiency, and the manual detection easily causes the problems of missing detection, wrong parts, instability and the like.
Therefore, the utility model aims to seek an intelligent battery electrode burr detection scheme to improve the detection precision and efficiency of a battery electrode and ensure the production quality.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide an electrode burr detection device and electrode comprehensive detection equipment, which can solve the problems.
Design principle: aiming at the electrode, performing machine vision-based burr detection, judging whether burrs exist or not and acquiring a burr image by using an image algorithm at the background, so that the working efficiency and the detection quality are improved; the overall scheme is as follows.
The electrode burr detection device comprises two groups of burr detection cameras, burr detection lenses, a burr detection light source and an image processor which are vertically arranged; the burr detection lens and the burr detection light source are sequentially arranged at the downstream of the optical path of the burr detection camera; the image processor is in telecommunication connection with the burr detection camera and is used for image processing; the burr detection lens is vertically arranged right below the burr detection camera to form a coaxial light path; the burr detection light source adopts an oblique angle coaxial light source with a built-in reflecting mirror or a semi-transparent semi-reflecting mirror, and the emergent light path of the light source is horizontally arranged and is opposite to the electrode to be detected; the two groups of vertically arranged burr detection cameras are arranged in parallel and are adjustable in height and used for image acquisition; the light source emergent light paths of the two burr detection light sources are horizontally opposite and are used for polishing electrodes to be detected, which are conveyed from the middle of the two burr detection light sources, from two sides at the same time.
Further, a burr detection lens is arranged at the downstream of the optical path of the burr detection camera; the burr detection camera and the burr detection lens are arranged on the camera lens frame; the back of the camera lens frame is connected to the burr detection mounting frame through the sliding mechanism.
Further, the burr detection light source is arranged at the light path downstream of the burr detection lens, is mounted on the burr detection mounting frame through the position adjustment of the light source adapter plate, and shines for the electrode to be detected.
Further, when the burr inspection camera is vertically arranged, the burr inspection lens and the burr inspection light source are vertically arranged under the burr inspection camera, and the burr inspection light source adopts an oblique angle coaxial light source.
Further, the burr detection lens is fixed to the camera lens frame through the lens anchor ear, and the positioning block is configured to position the lens anchor ear, so that the stability of the device is enhanced.
Further, the device also comprises an incoming material sensor, wherein the incoming material sensor is horizontally arranged on the burr detection mounting frame through the incoming material sensing frame.
Further, the device also comprises a stabilizing piece, wherein the stabilizing piece is connected with the burr detection installation frame at two sides, so that the overall stability of the device is enhanced.
The utility model also provides electrode comprehensive detection equipment, which comprises a feeding module, a detection receiving table, a detection station, an NG receiving table, an OK discharging module, a rack and an industrial controller; wherein, the feeding module is arranged at the upstream end of the detection receiving table; the NG receiving table and the OK discharging module are arranged at the downstream of the detecting receiving table; the detection stations are annularly arranged along the rotary table type detection receiving table so as to perform multi-station comprehensive detection on battery electrodes flowing through the detection receiving table, and the industrial personal controller classifies detected electrode defects; the NG receiving platform is provided with a plurality of defect material boxes and corresponding temporary storage material boxes, and receives electrodes with different defect types according to the detection result of the industrial controller; the OK blanking module receives the OK electrode without flaws.
Further, the detection station comprises a burr detection module, a front detection module, a back detection module, an outer ring detection module and an inner wall detection module which are arranged according to the streamline of the detection receiving platform; the burr detection module adopts the electrode burr detection device and performs burr detection on the electrode according to the method; the front detection module adopts coaxial light and low-angle ring light to detect the appearance flaws of the front of the electrode; the back detection module adopts coaxial light and low-angle ring light to detect appearance flaws on the back of the electrode; the outer ring detection module is used for detecting flaws of the outer ring of the electrode; the inner wall detection module is used for carrying out flaw detection on the inner wall of the cylinder.
Compared with the prior art, the utility model has the beneficial effects that: the electrode burr detection device, the detection method and the electrode comprehensive detection equipment provide comprehensive detection of various defects including burr detection of the battery electrode, avoid the problems of high detection omission rate, low speed and the like caused by manual or semi-automatic detection, and can be widely applied to detection of power batteries.
Drawings
FIG. 1 is a schematic illustration of a 4680 cell and its electrodes;
FIG. 2 is a schematic diagram of an example of a burr detection apparatus;
FIG. 3 is a schematic view of another example of a burr detection apparatus;
fig. 4 is a schematic view of another example of the burr detection apparatus;
FIG. 5 is a flow chart of a method of spur detection;
FIG. 6 is a schematic diagram of an electrode integrated detection apparatus;
fig. 7 is a schematic flow chart of the electrode comprehensive detection method.
In the figure:
1. a burr detecting camera;
2. a burr detection lens;
3. a burr detection light source;
4. the burr detection mounting frame;
5. a camera lens frame;
6. a sliding mechanism;
7. a light source adapter plate;
8. lens hoops;
9. a positioning block;
10. a material supply sensor;
11. a material receiving induction frame;
12. a stabilizer;
13. an auxiliary material sensor;
14. reinforcing rib plates;
100. a feeding module;
200. detecting a receiving table;
300. a burr detection module;
400. a front detection module;
500. a back detection module;
600. an outer ring detection module;
700. an inner wall detection module;
800. NG a receiving platform;
900. OK blanking module;
1000. a frame.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be appreciated that "apparatus," "device," "unit," and/or "module" as used in this specification is a means for distinguishing between different components, elements, parts, portions, or assemblies at different levels. However, if other words can achieve the same purpose, the words can be replaced by other expressions.
Electrode burr detection device
Referring to fig. 2, the burr detection device adopts two groups of burr detection cameras 1 to detect burrs on the inner wall of the electrode, and the two groups of burr detection cameras 1 are horizontally arranged; when vertical arrangement, two sets of burr inspection camera 1 are parallel and the height-adjustable setting to all be equipped with burr inspection light source 3, two burr inspection light sources 3 level opposition carries out the burr through burr inspection camera 1 to the electrode that two burr inspection light source 3 intermediate feeds and detects.
A burr detection lens 2 is arranged at the downstream of the optical path of the burr detection camera 1; the burr detection camera 1 and the burr detection lens 2 are arranged on the camera lens frame 5; the back of the camera lens frame 5 is connected to the burr detection mounting frame 4 through a sliding mechanism 6.
The burr detection light source 3 is arranged at the light path downstream of the burr detection lens 2, and the burr detection light source 3 is mounted on the burr detection mounting frame 4 in a position-adjustable manner through the light source adapter plate 7 and lights an electrode to be detected.
Wherein, when the burr inspection camera 1 is vertical to be arranged, the vertical setting of camera 1 is examined to burr, burr is examined the camera 2, the burr and is examined the light source 3 is vertical setting under, just the burr is examined the light source 3 and is adopted the coaxial light source of oblique angle.
The burr detection lens 2 is fixed to the camera lens frame 5 through a lens hoop 8, and a positioning block 9 is configured to position the lens hoop 8, so that stability of the device is enhanced.
Further, referring to fig. 3, the apparatus further includes a feeding sensor 10, and the feeding sensor 10 is horizontally mounted to the burr detection mounting frame 4 through a feeding sensing frame 11.
Further, referring to fig. 4, the device further comprises a stabilizer 12, and the stabilizer 12 is connected with the burr detection mounting frame 4 at two sides for enhancing the overall stability of the device.
Further, referring to fig. 4, the apparatus further includes an auxiliary material sensor 13, and the auxiliary material sensor 13 is mounted on the stabilizer 12 through an adapter plate.
The top of the two burr detection installation frames 4 is suspended and/or the bottom is fixedly arranged.
Reinforcing rib plates 14 are further arranged on the burr detection installation frame 4.
In one example, the burr detection camera 1 employs a black-and-white camera.
The sliding mechanism 6 comprises a manually or automatically adjustable slide, slide table or screw mechanism. The illustration uses a slider mechanism.
Burr detection method
The method for detecting the burrs of the electrode by adopting the burr detection device comprises the following steps of:
s1, acquiring clear images of front and rear sides of an electrode round hole through two groups of burr detection cameras 1;
s2, after the ROI positioning is carried out on the round hole of the electrode, a local image of the round hole is obtained;
s3, performing opening operation on the partial image of the round hole, and removing protruding burrs on the round hole;
s4, performing regional difference between the round hole region with the burrs and the round hole region after the burrs are removed, and obtaining a burr image.
Electrode comprehensive detection equipment
Referring to fig. 6, the electrode comprehensive detection device includes a feeding module 100, a detection receiving station 200, detection stations (300, 400, 500, 600, 700), an NG receiving station 800, an OK discharging module 900, a rack 1000 and an industrial controller (not shown).
Wherein, the feeding module 100 is arranged at the upstream end of the detection receiving table 200; the NG receiving station 800 and the OK blanking module 900 are disposed downstream of the detecting receiving station 200; the detection stations (300, 400, 500, 600, 700) are annularly arranged along the rotary table type detection receiving table 200 so as to perform multi-station comprehensive detection on battery electrodes flowing on the detection receiving table 200, and the industrial personal controller classifies detected electrode defects; the NG receiving platform 800 is provided with a plurality of defect material boxes and corresponding temporary storage material boxes, and receives electrodes with different defect types according to the detection result of the industrial controller; the OK blanking module 900 receives OK electrodes without flaws.
Wherein the inspection station (300, 400, 500, 600, 700) includes a burr inspection module 300, a front inspection module 400, a back inspection module 500, an outer ring inspection module 600, and an inner wall inspection module 700 arranged according to the inspection of the streamline of the receiving station 200. The burr detection module 300 adopts the electrode burr detection device and performs burr detection on the electrode according to the burr detection method.
The front detection module 400 detects the front appearance flaws of the electrode by adopting coaxial light and low-angle ring light; the back detection module 500 adopts coaxial light and low-angle ring light to detect the appearance flaws of the back surface of the electrode; the outer ring detection module 600 is used for performing flaw detection on the outer ring of the electrode;
the inner wall detection module 700 is used for detecting flaws on the inner wall of the cylinder.
Comprehensive detection principle: an electrode integrated detection method of an electrode integrated detection apparatus, referring to fig. 7, the method includes:
s1, electrode feeding, namely feeding manually or automatically by a material box, conveying electrodes to be detected through a feeding module 100, and coding the electrodes to be detected in sequence;
s2, guiding the electrode to be detected of the feeding module 100 into the detection receiving table 200 through the guiding mechanism;
s3, electrode comprehensive detection, namely performing burr detection, front detection, back detection, outer wall or outer ring detection and inner wall detection on the electrode flowing through the burr detection module 300, the front detection module 400, the back detection module 500, the outer ring detection module 600 and the inner wall detection module 700, and judging the flaw type of each coded electrode through an image processing algorithm;
s4, connection and blanking, namely sequentially connecting and guiding the electrodes picked up on the detection receiving table 200 to the NG receiving table 800 through a connection mechanism;
s5, sorting defects, namely sorting electrodes on a sorting belt of the NG material receiving table 800 into bins according to the defect types judged in the S3;
s6, OK blanking, wherein OK electrodes which are not fed into the flaw bin after passing through the NG receiving table 800 are manually or automatically blanked through the OK blanking module 900.
Storage medium
The present utility model also provides a computer readable storage medium having stored thereon computer instructions which when run perform the steps of the aforementioned method. The method is described in detail in the foregoing section, and will not be described in detail here.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in the various methods of the above-described embodiments may be implemented by a program that instructs associated hardware, the program may be stored on a computer readable storage medium, including non-transitory and non-transitory, removable and non-removable media, and the information storage may be implemented by any method or technique. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
Terminal
The utility model also provides a terminal comprising a memory and a processor, the memory having stored thereon data provider information and computer instructions capable of being executed on the processor, the processor executing the steps of the aforementioned method when executing the computer instructions. The method is described in detail in the foregoing section, and will not be described in detail here.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. An electrode burr detection device which is characterized in that: the burr detection device comprises two groups of burr detection cameras (1), burr detection lenses (2), a burr detection light source (3) and an image processor which are vertically arranged;
the burr detection lens (2) and the burr detection light source (3) are sequentially arranged at the downstream of the optical path of the burr detection camera (1); the image processor is in telecommunication connection with the burr detection camera (1) and is used for image processing; the burr detection lens (2) is vertically arranged right below the burr detection camera (1) to form a coaxial light path; the burr detection light source (3) adopts an oblique angle coaxial light source with a built-in reflecting mirror or a semi-transparent semi-reflecting mirror, and the emergent light path of the light source is horizontally arranged and is opposite to the electrode to be detected;
the burr detection cameras (1) which are vertically arranged in two groups are arranged in parallel and are adjustable in height and are used for image acquisition; the light source emergent light paths of the two burr detection light sources (3) are horizontally opposite and are used for polishing electrodes to be detected, which are conveyed from the middle of the two burr detection light sources (3), from two sides at the same time.
2. The electrode burr detection apparatus according to claim 1, wherein: the burr detection camera (1) and the burr detection lens (2) are arranged on a camera lens frame (5); the back of the camera lens frame (5) is connected to the burr detection mounting frame (4) through a sliding mechanism (6).
3. The electrode burr detection apparatus according to claim 2, wherein: the burr detection light source (3) is arranged on the burr detection mounting frame (4) through the position adjustment of the light source adapter plate (7) and used for polishing an electrode to be detected.
4. The electrode burr detection apparatus according to claim 2, wherein: the burr detection lens (2) is fixed to the camera lens frame (5) through the lens hoop (8), and the positioning block (9) is configured to position the lens hoop (8), so that the stability of the device is enhanced.
5. The electrode burr detection apparatus according to claim 2, wherein: the device also comprises an incoming material sensor (10), wherein the incoming material sensor (10) is horizontally arranged on the burr detection mounting frame (4) through an incoming material sensing frame (11).
6. The electrode burr detection apparatus according to claim 2, wherein: the device also comprises a stabilizing piece (12), wherein the stabilizing piece (12) is connected with the burr detection installation frame (4) at two sides, so that the overall stability of the device is enhanced.
7. An electrode comprehensive testing device, which is characterized in that: the equipment comprises a feeding module (100), a detection receiving table (200), a detection station, an NG receiving table (800), an OK discharging module (900), a rack (1000) and an industrial controller;
wherein, the feeding module (100) is arranged at the upstream end of the detection receiving table (200); the NG receiving platform (800) and the OK blanking module (900) are arranged at the downstream of the detection receiving platform (200);
the detection stations are annularly arranged along the rotary table type detection receiving table (200) so as to perform multi-station comprehensive detection on battery electrodes flowing on the detection receiving table (200), and the industrial personal controller classifies detected electrode defects;
the NG receiving platform (800) is provided with a plurality of defect material boxes and corresponding temporary storage material boxes, and receives electrodes with different defect types according to the detection result of the industrial controller;
the OK blanking module (900) receives the OK electrode without flaws.
8. The electrode integrated detection apparatus according to claim 7, wherein: the detection station comprises a burr detection module (300), a front detection module (400), a back detection module (500), an outer ring detection module (600) and an inner wall detection module (700) which are arranged according to a streamline of the detection receiving platform (200); wherein,,
the burr detection module (300) performs burr detection on the electrode by adopting the electrode burr detection device according to any one of claims 1-6;
the front detection module (400) adopts coaxial light and low-angle ring light to detect the appearance flaws of the front of the electrode;
the back detection module (500) adopts coaxial light and low-angle ring light to detect appearance flaws of the back of the electrode;
the outer ring detection module (600) is used for detecting flaws of the outer ring of the electrode;
the inner wall detection module (700) is used for detecting flaws on the inner wall of the cylinder.
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| CN202210503124.6A CN114887926A (en) | 2022-05-10 | 2022-05-10 | Electrode burr detection device, detection method and electrode comprehensive detection equipment |
| CN2022105031246 | 2022-05-10 |
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| CN202320485151.5U Active CN219552233U (en) | 2022-05-10 | 2023-03-14 | Electrode burr detection device and electrode comprehensive detection equipment |
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| JP3962525B2 (en) * | 2000-03-01 | 2007-08-22 | 株式会社マキ製作所 | Image generation device and sorting classification determination device used for sorting agricultural products |
| CN107817247A (en) * | 2017-11-18 | 2018-03-20 | 武汉克瑞斯光电技术有限公司 | A kind of valve body burr detection machine |
| CN109490316B (en) * | 2018-11-30 | 2021-08-03 | 熵智科技(深圳)有限公司 | Surface defect detection algorithm based on machine vision |
| CN109675832A (en) * | 2019-01-21 | 2019-04-26 | 深圳精创视觉科技有限公司 | A kind of ndfeb magnet size and open defect detection device |
| CN110596116B (en) * | 2019-07-23 | 2022-06-07 | 浙江科技学院 | Vehicle surface flaw detection method and system |
| CN210449905U (en) * | 2019-08-08 | 2020-05-05 | 广东尚菱视界科技有限公司 | Metal part appearance detection equipment |
| CN111229637A (en) * | 2020-01-07 | 2020-06-05 | 江苏科技大学 | Automatic detection device and detection method for inner hole burrs of electronic connector |
| CN112213320A (en) * | 2020-11-03 | 2021-01-12 | 广东银炜食品机械有限公司 | Biscuit detection device and biscuit detection method based on machine vision |
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