CN115924610A - Pole piece production transmission equipment and pole piece production detection system - Google Patents
Pole piece production transmission equipment and pole piece production detection system Download PDFInfo
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- CN115924610A CN115924610A CN202211336176.5A CN202211336176A CN115924610A CN 115924610 A CN115924610 A CN 115924610A CN 202211336176 A CN202211336176 A CN 202211336176A CN 115924610 A CN115924610 A CN 115924610A
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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 application relates to a pole piece production transmission device and a pole piece production detection system. Pole piece film-making transmission equipment includes: the slicing device comprises a slicing device, a first metal rotating wheel provided with an adsorption hole and a second metal rotating wheel provided with an adsorption hole; the first metal rotating wheel is respectively arranged adjacent to the slicing device and the second metal rotating wheel, and the rotating directions of the first metal rotating wheel and the second metal rotating wheel are opposite; the slicing device cuts and transmits the accessed pole pieces, the first metal rotating wheel receives the pole pieces transmitted by the slicing device and rotates to transmit the pole pieces, and the second metal rotating wheel receives the pole pieces transmitted by the first metal rotating wheel and rotates to transmit the pole pieces. By adopting the method and the device for detecting the defects of the pole pieces, the pole pieces are transmitted and the defects are detected, misjudgment of other background areas or misjudgment of the pole piece areas can not occur during the defect detection, and the detection accuracy is high.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a pole piece production transmission device and a pole piece production detection system.
Background
In the manufacturing of the lithium battery, after the pole pieces are subjected to processes such as coating, rolling and the like, the pole pieces are cut into pieces from a coil stock by a sheet making machine, and the pole pieces are conveyed to a subsequent lamination process by a belt for lamination. In order to ensure the quality of the pole piece, the pole piece before lamination is usually subjected to surface defect detection.
There are two common methods for detecting the surface defects of the pole piece. One is to use a visual inspection mechanism to detect defects before cutting the pole piece, but has the following problems: decide the in-process can the little probability cause the department of cutting off and have new defect appearance, if the edge falls whitewashed, the edge leaks the paper tinsel etc. detect before deciding and can omit these defects for unusual pole piece can directly flow into final electric core, has certain hidden danger to the safety of battery. The other mode is that after the pole piece is cut off, the pole piece transmitted on the belt is subjected to defect detection; as shown in figure 1, the pole pieces are adsorbed on the belt by using negative pressure to be transmitted through the normal belt and the inverted belt, and the defect detection is carried out on the pole pieces on the normal belt and the inverted belt respectively, so that the front side and the back side of the pole pieces are detected. However, the pole piece has the edge powder falling phenomenon, and a new belt is generally polluted by dust erosion of the pole piece after being used for 1-2 months, so that the color of the belt is very close to that of the pole piece, and if the belt is used for a long time, the pole piece and the belt background cannot be distinguished, so that the edge of the pole piece has regions which cannot be detected or are easy to misjudge and miss, and the detection accuracy is low.
Disclosure of Invention
In view of the above, it is necessary to provide a pole piece production transmission apparatus and a pole piece production detection system capable of improving accuracy of surface defect detection.
A pole piece sheet making and transporting apparatus comprising: the slicing device comprises a slicing device, a first metal rotating wheel provided with an adsorption hole and a second metal rotating wheel provided with an adsorption hole; the first metal rotating wheel is respectively adjacent to the slicing device and the second metal rotating wheel, and the rotating directions of the first metal rotating wheel and the second metal rotating wheel are opposite;
the transmission is decided and transmitted to the pole piece of access to the section device, first metal runner is received the pole piece of section device transmission and rotates the transmission the pole piece, second metal runner is received the pole piece of first metal runner transmission and rotates the transmission the pole piece.
A pole piece production detection system comprises a first image shooting device, a second image shooting device, a defect detection device and the pole piece production transmission equipment, wherein the first image shooting device is arranged beside a first metal rotating wheel, the second image shooting device is arranged beside a second metal rotating wheel, and the first image shooting device and the second image shooting device are connected with the defect detection device;
the first image shooting device images the pole piece rotationally transmitted by the first metal rotating wheel and sends a first image signal to the defect detection device, the second image shooting device images the pole piece rotationally transmitted by the second metal rotating wheel and sends a second image signal to the defect detection device, the defect detection device detects the defect of the pole piece transmitted by the first metal rotating wheel according to the first image signal, and detects the defect of the pole piece transmitted by the second metal rotating wheel according to the second image detection signal.
Above-mentioned pole piece film-making transmission equipment and pole piece film-making detecting system, through the section device, set up the first metal runner in absorption hole and set up the second metal runner in absorption hole adjacent setting in proper order, and set up first metal runner and second metal runner and turn to oppositely, first metal runner and second metal runner can be in proper order to the section device decide the positive and negative two sides of back pole piece rotate the transmission, can be convenient for carry out surface defect detection to the positive and negative two sides of pole piece respectively. Because the surfaces of the first metal rotating wheel and the second metal rotating wheel are made of metal, the surfaces are smooth and reflective, and dust falling from the pole pieces is not easy to accumulate, when the pole pieces on the metal surfaces are subjected to defect detection, the edges of the pole pieces can be obviously obtained, pole piece areas can be accurately divided, misjudgment on other background areas or misjudgment on the pole piece areas can not be caused during defect detection, and the accuracy of pole piece surface defect detection is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a prior art system for pole piece transmission and detection;
FIG. 2 is a schematic structural diagram of a pole piece manufacturing and conveying apparatus in one embodiment;
FIG. 3 is a schematic structural view of a sheet making and conveying apparatus in another embodiment;
FIG. 4 is a schematic diagram of a pole piece production detection system in one embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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 in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another.
As described in the background art, the problem of low accuracy in the detection of the surface defects of the battery pole piece in the prior art is found by the research of the inventor, and the reason for the problem is that the defects generated in the cutting process can be omitted when the defect detection is performed on the pole piece before cutting in the prior art; when the defect detection is performed on the pole piece conveyed on the belt after cutting, the defect detection accuracy is low due to the fact that the pole piece is influenced by the belt background polluted by powder falling and the edge area of the pole piece is judged by mistake or is not judged.
Based on the reasons, the application provides a scheme capable of improving the surface defect detection accuracy.
In one embodiment, as shown in fig. 2, there is provided a pole piece production transport apparatus comprising: the slicing device 210, a first metal wheel 220 provided with an adsorption hole, and a second metal wheel 230 provided with an adsorption hole. The wheels of the first metal wheel 220 and the second metal wheel 230 are made of metal material, so the surfaces of the wheels of the first metal wheel 220 and the second metal wheel 230 are made of metal material. For example, the first metal wheel 220 and the second metal wheel 230 may be rollers made of metal. Wherein, the adsorption hole is a through hole penetrating the surface, can be connected to a vacuum generator through a vent pipe, and the vacuum degree in the vent pipe is adjusted by the vacuum generator so as to form adsorption force at the adsorption hole to realize adsorption. Specifically, the shapes and sizes of the adsorption holes are not limited, for example, the first metal runner 220 and the second metal runner 230 may be vacuum adsorption rollers, and the surfaces thereof are provided with a row of small vacuum adsorption circular holes, so that the pole pieces can be adsorbed on the surfaces; it is understood that the adsorption hole may be a strip-shaped hole, or may be a through hole having other shapes and sizes.
Wherein the first metal wheel 220 is disposed adjacent to the slicing device 210 and the second metal wheel 230, respectively. Specifically, the slicing device 210 is disposed at a side region of the first metal wheel 220, and the spacing distance from the first metal wheel 220 may be approximately equal to the thickness of the pole piece; the second metal wheel 230 is arranged at the other side area of the first metal wheel 220 and is spaced from the slicing device 210 by a certain distance, i.e. the slicing device 210 is not adjacent to the second metal wheel 230; the second metal wheel 230 may be spaced from the first metal wheel 220 by a distance approximately equal to the thickness of the pole piece, or greater than the thickness of the pole piece. The first metal wheel 220 and the second metal wheel 230 are turned in opposite directions. For example, as shown in FIG. 2, the rotation of the first metal wheel 220 is counterclockwise, and the rotation of the second metal wheel 230 is set clockwise. It is understood that the turning direction in fig. 2 is only an example, and the turning direction of the first metal wheel 220 may be clockwise, and the turning direction of the second metal wheel 230 may be counterclockwise.
The pole pieces are transferred to a slicing device 210; the slicing device 210 cuts and transmits the accessed pole pieces, the first metal rotating wheel 220 receives the pole pieces transmitted by the slicing device 210 and rotates to transmit the pole pieces, and the second metal rotating wheel 230 receives the pole pieces transmitted by the first metal rotating wheel 220 and rotates to transmit the pole pieces. Specifically, as shown in fig. 2, since the slicing device 210 and the first metal wheel 220 are disposed adjacent to each other, when a pole piece passes through a position a where the slicing device 210 is adjacent to the first metal wheel 220, the first metal wheel 220 with an absorption hole sucks the pole piece by an absorption force formed at the absorption hole to drive the pole piece to rotate for transmission, so that the cut pole piece is transmitted from the slicing device 210 to the first metal wheel 220; since the second metal runner 230 and the first metal runner 220 are disposed adjacent to each other, when a pole piece passes through a position B where the first metal runner 220 and the second metal runner 230 are adjacent to each other, the second metal runner 230 with an absorption hole absorbs the pole piece by an absorption force formed at the absorption hole to drive the pole piece to rotate for transmission, so that the pole piece is transmitted from the first metal runner 220 to the second metal runner 230. The pole pieces transmitted by the first metal rotating wheel 220 and the second metal rotating wheel 230 are detected by a defect detection device, so that the surface defect detection of the cut pole pieces can be realized; because the first metal wheel 220 and the second metal wheel 230 are opposite in rotation direction, the first metal wheel 220 and the second metal wheel 230 respectively transmit the front side and the back side of the pole piece, so that the pole pieces transmitted by the first metal wheel 220 and the second metal wheel 230 are respectively detected, and the defect detection of the front side and the back side of the cut pole piece can be realized.
Above-mentioned pole piece film-making transmission equipment, through section device 210, set up the first metal runner 220 in absorption hole and set up the second metal runner 230 in absorption hole adjacent setting in proper order, and set up first metal runner 220 and second metal runner 230 opposite direction, first metal runner 220 and second metal runner 230 can be in proper order to the transmission of rotating of the tow sides of back pole piece is decided to section device 210, can be convenient for carry out surface defect detection to the tow sides of pole piece respectively. Because the surfaces of the first metal runner 220 and the second metal runner 230 are made of metal, smooth and reflective, and dust falling from the pole pieces is not easy to accumulate, when the pole pieces on the metal surfaces are subjected to defect detection, the edges of the pole pieces can be obviously obtained, pole piece regions can be accurately divided, and misjudgment of other background regions or pole piece regions can not occur during defect detection, so that the accuracy of pole piece surface defect detection is improved. Moreover, the pole pieces are transmitted in a rotating wheel mode, and compared with the traditional belt transmission, the transmission speed is higher. The speed of conventional belt transport is about 0.4 s/sheet, and the speed of the rotating wheel can reach 0.1 s/sheet, which is expected to be 4 times the speed of conventional pole piece transport.
In one embodiment, the slicing apparatus 210 includes a cutting mechanism and a main driving wheel provided with an absorption hole, the main driving wheel is disposed adjacent to the first metal wheel 220, and the first metal wheel 220 and the main driving wheel rotate in opposite directions; the main driving rotating wheel rotates to transmit the accessed pole pieces, and the cutting mechanism cuts the pole pieces transmitted by the main driving rotating wheel in a rotating mode at equal intervals. Specifically, when the pole piece passes through the position of the main driving wheel adjacent to the first metal wheel 220, the first metal wheel 220 sucks the pole piece by the suction force formed at the suction hole, so that the first metal wheel 220 rotates and transmits the cut pole piece. Specifically, the interaction of the pole pieces among the main driving wheel with vacuum adsorption pores, the first metal wheel 220 and the second metal wheel 230 is an interaction process of vacuum adsorption and release.
The main driving rotating wheel adsorbs the supplied materials of the pole pieces through the adsorption holes and drives the pole pieces to transmit through rotation; in the rotating and transmitting process of the main driving rotating wheel, the cutting mechanism cuts the pole pieces at equal intervals, namely the length of each pole piece section obtained after cutting by the cutting mechanism is the same; for example, the main driving rotating wheel rotates at a constant speed, and the pole pieces with the same length can be obtained by cutting with the cutting mechanism at regular time. Because the mode that the pole piece adopted belt transport in the tradition film-making, the precision of deciding receives pole piece state influence, film-making size to have great fluctuation and difficult control, this embodiment can guarantee that pole piece length is the same through the mode that adopts main drive runner to rotate transmission, equidistant cutting such as cutting mechanism to improve film-making size precision.
In one embodiment, the cutting mechanism comprises a cutter flywheel and at least two cutters distributed on the circumference of the cutter flywheel at equal intervals, the cutter flywheel is arranged beside the main driving rotating wheel, and the cutters rotate along with the cutter flywheel to cut pole pieces on the main driving rotating wheel.
Taking two cutters as an example, as shown in fig. 3, 2 cutters are uniformly distributed on the circumference of the cutter flywheel, that is, 180 degrees apart, the cutter flywheel rotates along with the main driving wheel, and 2 cutters cut the pole pieces on the main driving wheel in turn at the distance of one pole piece per rotation of the main driving wheel. In the embodiment, the pole pieces are cut in a mechanical transmission mode, so that the cutting space is stable, and the size precision of the pole pieces is high. Specifically, the rotating speed of the cutter flywheel and the size of the cutter flywheel are adjusted, so that the cutter flywheel can adapt to cutting of different pole piece sizes.
In one embodiment, the diameter of the first metal wheel 220 and the second metal wheel 230 is larger than the diameter of the main drive wheel, such that the first metal wheel 220 and the second metal wheel 230 can accommodate more pole pieces than the main drive wheel within one circumference.
In one embodiment, the primary drive rotor is a metal rotor. The metal runner surface is smooth, is difficult for piling up the dust, uses the metal runner that has the adsorption hole, and adsorption effect is good.
In one embodiment, the first metal wheel 220 includes a plurality of fan-shaped moving members, each of which can be spliced to form a wheel, the metal arc surfaces of the fan-shaped moving members are provided with suction holes, and the metal arc surfaces can be spliced to form the surface of the wheel. Specifically, the fan-shaped moving part is connected to the center of the rotating wheel through the telescopic rod, and the telescopic rod extends when the circular arc surface adsorption hole of the corresponding fan-shaped moving part adsorbs the pole piece, so that the corresponding fan-shaped moving part is pushed out, the fan-shaped moving part adsorbing the pole piece is separated, and the piece transmission of the pole piece is realized.
In one embodiment, referring to fig. 3, the above-mentioned pole piece making and conveying apparatus further includes a compression roller disposed beside the main driving wheel and located upstream of the cutting mechanism, that is, the pole piece is cut by passing through the compression roller and then passing through the cutting mechanism. Specifically, the compression roller is used for rolling the pole piece which is connected to the main drive rotating wheel, so that the pole piece is stably adsorbed on the main drive rotating wheel, and the transmission stability is improved.
In one embodiment, the above pole piece manufacturing and conveying apparatus further includes a deviation rectifying device, which is disposed at the upstream of the slicing device 210 and is used for rectifying deviation of the pole piece before the pole piece is connected to the slicing device 210, so as to avoid deviation of the pole piece. For example, as shown in fig. 3, the deviation rectifying device may be located upstream of the press roll to rectify the incoming pole piece.
In one embodiment, the above pole piece production and transportation device further includes a vent pipe, and a vacuum generator, where the suction holes of the first metal wheel 220 and the second metal wheel 230 are communicated to the vacuum generator through the vent pipe, and the vacuum generator is used to adjust the vacuum degree in the vent pipe to adjust the suction force at the corresponding suction holes.
Wherein, the number of the vent pipes can be multiple, one vent pipe is communicated with one adsorption hole, and each vent pipe is connected to the vacuum generator; it is understood that the suction holes of the first metal runner 220 may communicate with one vent hole, and all the suction holes of the second metal runner 230 may communicate with the other vent hole. The number of the vacuum generators may be set as required, for example, all the vent holes may be connected to one vacuum generator, or the vent hole corresponding to the first metal wheel 220 may be connected to one vacuum generator, and the vent hole corresponding to the second metal wheel 230 may be connected to another vacuum generator.
In one embodiment, a pole piece production detection system is provided, which includes a first image capturing device, a second image capturing device, a defect detection device, and the pole piece production transmission apparatus in each of the above embodiments, the first image capturing device is disposed beside the first metal wheel 220, the second image capturing device is disposed beside the second metal wheel 230, and the first image capturing device and the second image capturing device are connected to the defect detection device. Wherein the defect detection device is used for realizing surface defect detection.
The first image capturing device images the pole pieces rotationally transmitted by the first metal wheel 220 to obtain a first image signal and sends the first image signal to the defect detecting device, and the second image capturing device images the pole pieces rotationally transmitted by the second metal wheel 230 to obtain a second image signal and sends the second image signal to the defect detecting device. The defect detection device detects the defect of the first metal rotating wheel transmission pole piece according to the first image signal, and detects the defect of the second metal rotating wheel transmission pole piece according to the second image detection signal.
Wherein the defect detection device performs visual detection by image processing; the defect detecting device may include two mechanisms for visual detection, wherein one of the mechanisms for visual detection is connected to the first image capturing device, and the other mechanism for visual detection is connected to the second image capturing device. Of course, the defect detection device may also be a visual detection mechanism, that is, the first image capturing device and the second image capturing device are connected to the same visual detection mechanism.
The pole piece production detection system adopts the pole piece production transmission equipment in each embodiment, a first image pickup device images the pole piece rotationally transmitted by the first metal runner 220 to obtain a first image signal, a second image pickup device images the pole piece rotationally transmitted by the second metal runner 230 to obtain a second image signal, and a defect detection device performs defect detection based on the first image signal and the second image signal to realize defect detection of the pole piece; similarly, because the surfaces of the first metal runner 220 and the second metal runner 230 are metal, smooth and reflective, and dust falling from the pole pieces is not easy to accumulate, when the pole pieces on the metal surface are subjected to defect detection, the edge of the pole piece can be obviously acquired, the pole piece area can be accurately divided, and misjudgment of other background areas or misjudgment of the pole piece area can not occur during the defect detection, so that the accuracy of the detection of the surface defects of the pole piece is improved.
In one embodiment, the first image capturing device includes a first light source and a first camera, the first light source illuminates the pole piece rotationally transmitted by the first metal wheel 220, and the first camera images the pole piece illuminated by the light source. The second image capturing device includes a second light source and a second camera, the second light source irradiates the pole piece rotationally transmitted by the second metal wheel 230, and the second camera images the pole piece irradiated by the second light source.
Wherein the first light source and the second light source may be bar light sources; the first camera and the second camera may be line scan cameras, as shown in fig. 4. The pole piece can be illuminated by the light source and can be shot by the camera, imaging is clearer, and accuracy of specific defect identification is higher on the basis of the image on the surface appearance of the pole piece.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A pole piece production transmission equipment, characterized by includes: the slicing device comprises a slicing device, a first metal rotating wheel provided with an adsorption hole and a second metal rotating wheel provided with an adsorption hole; the first metal rotating wheel is respectively adjacent to the slicing device and the second metal rotating wheel, and the rotating directions of the first metal rotating wheel and the second metal rotating wheel are opposite;
the slicing device is decided and transmitted to the accessed pole piece, the first metal rotating wheel receives the pole piece transmitted by the slicing device and rotates the transmission of the pole piece, and the second metal rotating wheel receives the pole piece transmitted by the first metal rotating wheel and rotates the transmission of the pole piece.
2. The pole piece sheet production and conveying device according to claim 1, wherein the slicing device comprises a cutting mechanism and a main driving wheel provided with an adsorption hole, the main driving wheel is arranged adjacent to the first metal wheel, and the first metal wheel and the main driving wheel are opposite in rotation direction; the cutting mechanism cuts the pole pieces transmitted by the rotation of the main driving rotating wheel at equal intervals.
3. The pole piece manufacturing and conveying device according to claim 2, wherein the cutting mechanism comprises a cutter flywheel and at least two cutters distributed on the circumference of the cutter flywheel at equal intervals, the cutter flywheel is arranged beside the main driving wheel, and the cutters rotate along with the cutter flywheel to cut the pole pieces on the main driving wheel.
4. The pole piece sheet making and conveying apparatus of claim 2, wherein the first and second metal wheels have a diameter greater than a diameter of the main drive wheel.
5. A pole piece sheet making and transporting apparatus as claimed in claim 2, wherein said primary drive wheel is a metal wheel.
6. The pole piece sheet making and conveying device of claim 2, further comprising a pressing roller disposed beside the main driving wheel and upstream of the cutting mechanism for rolling the pole pieces inserted into the main driving wheel.
7. The pole piece sheet production and transmission equipment of claim 1, further comprising a deviation rectifying device, wherein the deviation rectifying device is arranged upstream of the slicing device and is used for rectifying deviation of the pole pieces before the pole pieces are connected into the slicing device.
8. The pole piece sheet production and transmission equipment of claim 1, further comprising a vent pipe and a vacuum generator, wherein the suction holes of the first metal runner and the second metal runner are communicated to the vacuum generator through the vent pipe, and the vacuum generator is used for adjusting the vacuum degree in the vent pipe so as to adjust the suction force at the corresponding suction holes.
9. A pole piece manufacturing detection system, comprising a first image capturing device, a second image capturing device, a defect detection device and the pole piece manufacturing transmission apparatus as claimed in any one of claims 1 to 8, wherein the first image capturing device is disposed beside the first metal wheel, the second image capturing device is disposed beside the second metal wheel, and the first image capturing device and the second image capturing device are connected to the defect detection device;
the first image shooting device images the pole piece which is transmitted by the first metal rotating wheel in a rotating mode and sends a first image signal to the defect detection device, the second image shooting device images the pole piece which is transmitted by the second metal rotating wheel in a rotating mode and sends a second image signal to the defect detection device, the defect detection device detects the defect of the pole piece which is transmitted by the first metal rotating wheel according to the first image signal, and detects the defect of the pole piece which is transmitted by the second metal rotating wheel according to the second image detection signal.
10. The pole piece production detection system of claim 9, wherein the first image capture device comprises a first light source and a first camera, the first light source illuminates the pole piece rotationally transported by the first metal wheel, and the first camera images the pole piece illuminated by the first light source;
the second image shooting device comprises a second light source and a second camera, the second light source irradiates the pole piece which is transmitted by the second metal rotating wheel in a rotating mode, and the second camera images the pole piece irradiated by the second light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211336176.5A CN115924610A (en) | 2022-10-28 | 2022-10-28 | Pole piece production transmission equipment and pole piece production detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211336176.5A CN115924610A (en) | 2022-10-28 | 2022-10-28 | Pole piece production transmission equipment and pole piece production detection system |
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| CN115924610A true CN115924610A (en) | 2023-04-07 |
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| CN202211336176.5A Pending CN115924610A (en) | 2022-10-28 | 2022-10-28 | Pole piece production transmission equipment and pole piece production detection system |
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| CN (1) | CN115924610A (en) |
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- 2022-10-28 CN CN202211336176.5A patent/CN115924610A/en active Pending
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