EP-4738177-A1 - FILM ROLL SHEET GENERATION METHOD, COATING METHOD, SYSTEM, DEVICE, MEDIUM AND PRODUCT

EP4738177A1EP 4738177 A1EP4738177 A1EP 4738177A1EP-4738177-A1

Abstract

The present application provides a film roll sheet generation method, a coating method, a system, a device, a medium and a product. The method comprises: acquiring a parameter processing mode of film roll parameters, wherein the parameter processing mode is used for indicating a parameter acquisition mode of the film roll parameters in the current operation state of a coating machine; according to the parameter acquisition mode indicated by the parameter processing mode, acquiring parameter content of the film roll parameters; and generating a new film roll sheet on the basis of the parameter content, wherein the new film roll sheet is used for recording coating process parameters of substrates.

Inventors

ZHAN, Bingyang
ZHANG, JINGDONG
CHEN, WEIGANG
ZHEN, Zhihui
WANG, Qiangjun
YAN, Liangjie
QIN, Anxiang
XIA, Liangcan

Assignees

Contemporary Amperex Technology Co., Limited

Dates

Publication Date: 20260506
Application Date: 20240428

Claims (20)

A method for generating film roll sheets, comprising: acquiring a parameter processing mode of film roll parameters, wherein the parameter processing mode is used to indicate a parameter acquisition manner of the film roll parameters in a current operating state of a coating machine; acquiring parameter content of the film roll parameters in the parameter acquisition manner indicated by the parameter processing mode; and generating a new film roll sheet based on the parameter content, wherein the new film roll sheet is used to record coating process parameters of a substrate.
The method according to claim 1, wherein the acquiring the parameter content of the film roll parameters in the parameter acquisition manner indicated by the parameter processing mode comprises: displaying a first page corresponding to the parameter processing mode based on a detected film roll sheet creation request, wherein the parameter acquisition manner indicated by the parameter processing mode comprises acquisition from the first page; and acquiring the parameter content of the film roll parameters from the first page.
The method according to claim 2, wherein the acquiring the parameter content of the film roll parameters from the first page comprises: displaying a parameter editing area of the film roll parameters on the first page; and determining the parameter content of the film roll parameters based on edited content in the parameter editing area.
The method according to claim 3, wherein the generating a new film roll sheet based on the parameter content comprises: performing validity check on the parameter content in the case of detecting a parameter check event to obtain a check result; and generating the new film roll sheet based on the parameter content in the case of determining that the check result is successful.
The method according to claim 4, wherein the performing validity check on the parameter content in the case of detecting a parameter check event to obtain a check result comprises: performing check on a content length of the parameter content to obtain a first sub-check result; performing check on various components of the parameter content to obtain a second sub-check result; and obtaining the check result based on the first sub-check result and the second sub-check result.
The method according to claim 4, further comprising: controlling a check display identifier in the first page to be switched from a first display state to a second display state in the case of determining that the check result is successful, wherein the second display state is used to indicate that the check result is successful.
The method according to any one of claims 2 to 6, wherein the acquiring the parameter content of the film roll parameters from the first page comprises: displaying a parameter display area of the film roll parameters and an acquisition identifier of the film roll parameters on the first page; sending an acquisition request to a film roll management system in the case of detecting a trigger event for the acquisition identifier; and acquiring the parameter content returned by the film roll management system based on the acquisition request, and displaying the parameter content in the parameter display area.
The method according to claim 7, wherein the generating a new film roll sheet based on the parameter content comprises: detecting a roll change signal of the coating machine at a preset time interval in the case of determining that a target detection identifier indicates that detection is enabled, wherein the target detection identifier is used to indicate whether to perform detection of the roll change signal; and generating the new film roll sheet based on the parameter content in the case of detecting the roll change signal.
The method according to any one of claims 1 to 8, wherein the acquiring the parameter content of the film roll parameters in the parameter acquisition manner indicated by the parameter processing mode comprises: acquiring the parameter content of the film roll parameters from a target management system in the case of detecting a roll change signal of the coating machine.
The method according to claim 9, further comprising: determining and displaying a second page based on a detected parameter viewing request, and displaying a parameter display area of the film roll parameters on the second page.
The method according to any one of claims 1 to 10, further comprising: stopping entering coating process parameters into a current film roll sheet in the case of detecting that the current film roll sheet is completed, storing the current film roll sheet into a target storage space, and performing an operation of generating a new film roll sheet based on the parameter content.
The method according to any one of claims 1 to 11, further comprising: displaying a third page based on a detected request for inputting a film roll sheet attribute, wherein the third page contains an attribute editing area; and determining a film roll sheet attribute of the new film roll sheet based on edited content in the attribute editing area.
The method according to claim 12, further comprising: in the case of determining that a substrate to be coated contains a coated surface based on the film roll sheet attribute, acquiring a target film roll sheet of the coated surface; and establishing an association relationship between the target film roll sheet and the new film roll sheet.
An apparatus for generating film roll sheets, comprising: a first acquisition unit, configured to acquire a parameter processing mode of film roll parameters, wherein the parameter processing mode is used to indicate a parameter acquisition manner of the film roll parameters in a current operating state of a coating machine; a second acquisition unit, configured to acquire parameter content of the film roll parameters in the parameter acquisition manner indicated by the parameter processing mode; and a generation unit, configured to generate a new film roll sheet based on the parameter content, wherein the new film roll sheet is used to record coating process parameters of a substrate.
A coating system, comprising an unwinding apparatus, a driving apparatus, a collection device, a winding apparatus, and a control apparatus, wherein: the driving apparatus is configured to drive a substrate unwound by the unwinding apparatus to move towards the winding apparatus; the winding apparatus is configured to wind the substrate; the collection device is configured to collect substrate parameters of the substrate passing through the collection device; and the control apparatus is configured to predict a winding time at which the substrate is to be wound by the winding apparatus based on coating process parameters, and store the substrate parameters acquired from the collection device into a film roll sheet corresponding to the substrate at the winding time, wherein the film roll sheet is generated by the method for generating film roll sheets according to any one of claims 1 to 13.
The coating system according to claim 15, wherein the control apparatus comprises a host computer and a slave computer, wherein: the slave computer is configured to acquire driving parameters of the driving apparatus and transmit the driving parameters to the host computer; and the host computer is configured to acquire the substrate parameters from the collection device, predict the winding time at which the substrate is to be wound by the winding apparatus based on the driving parameters and a pre-configured distance parameter, and store the substrate parameters into the film roll sheet corresponding to the substrate at the winding time, wherein the distance parameter is used to indicate a transmission distance between the collection device and the winding apparatus.
The coating system according to claim 16, wherein the host computer is configured to: predict a transmission duration required for the substrate to be transmitted from the collection device to the winding apparatus based on the driving parameters and the distance parameter; and calculate the winding time based on the transmission duration and a collection time at which the substrate parameters are collected by the collection device.
The coating system according to claim 17, wherein the host computer is configured to: calculate, based on a rotational speed collection cycle contained in the driving parameters and rotational speeds collected in respective rotational speed collection cycles, target distances of the substrate being transmitted in the respective rotational speed collection cycles; calculate the cumulative number of collections based on the target distances and the distance parameter; and calculate the product of the cumulative number of collections and the rotational speed collection cycle to obtain the transmission duration.
The coating system according to any one of claims 15 to 18, wherein: the coating system further comprises a cutter apparatus, configured to cut off the substrate passing through the cutter apparatus when it is determined that a roll change condition is met currently; and the control apparatus is further configured to control the winding apparatus to be switched to a new roll drum and create a film roll sheet corresponding to the new roll drum.
The coating system according to any one of claims 15 to 19, further comprising a coating device having a coating die head and a coating oven, wherein: the coating die head is configured to coat the substrate passing through the coating die head; and the coating oven is configured to bake the substrate coated by the coating die head.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS The present application claims priority to Chinese patent application No. 202311 061651. 7, filed on August 22, 2023 and entitled "METHOD FOR GENERATING FILM ROLL SHEETS, APPARATUS, DEVICE, MEDIUM, AND PRODUCT", which is incorporated herein by reference in its entirety. The present application also claims priority to Chinese patent application No. 202311061124.6, filed on August 22, 2023 and entitled "COATING SYSTEM AND COATING METHOD", which is incorporated herein by reference in its entirety. The present application also claims priority to Chinese patent application No. 202311061686.0, filed on August 22, 2023 and entitled "COATING SYSTEM AND COATING METHOD", which is incorporated herein by reference in its entirety. TECHNICAL FIELD The present application relates to the technical field of battery coating, and in particular, to a method for generating film roll sheets, a coating method and system, a device, a medium, and a product. BACKGROUND A coating process is an important process in battery production. A battery coating process refers to uniformly coating the prepared slurry onto the surface of a metal foil, and then drying the surface to respectively prepare positive and negative electrode plates. In the battery coating process, film roll data is usually created manually for film rolls. The manner for creating film roll data manually is relatively limited, has relatively low creation efficiency of film roll data, and has the risk of manually inputting incorrect information. Therefore, the manner for creating film roll data cannot meet coating process scenes with relatively high real-time requirements and accuracy requirements. The above statements are only used to provide background information related to the present application and do not necessarily constitute the prior art. SUMMARY OF THE INVENTION Embodiments of the present application at least provide a method for generating film roll sheets, a coating method and system, a device, a medium, and a product, which can alleviate the problem that the manner for creating film roll data manually cannot meet coating process scenes with relatively high real-time requirements and accuracy requirements. According to a first aspect, an embodiment of the present application provides a method for generating film roll sheets, including: acquiring a parameter processing mode of film roll parameters, wherein the parameter processing mode is used to indicate a parameter acquisition manner of the film roll parameters in the current operating state of a coating machine;acquiring the parameter content of the film roll parameters according to the parameter acquisition manner indicated by the parameter processing mode; and generating a new film roll sheet based on the parameter content, wherein the new film roll sheet is used to record coating process parameters of a substrate. The above processing mode can select the parameter acquisition manner of the film roll parameters according to the current operating state of the coating machine, thereby selecting the parameter acquisition manner that is more compatible with the current operating state of the coating machine to meet different operating states of the coating machine. A manner for acquiring the parameter processing mode through a mode selection page can also enrich the parameter acquisition manner of the film roll parameters, so as to meet coating process scenes with relatively high real-time requirements and accuracy requirements. In some embodiments, the acquiring the parameter content of the film roll parameters according to the parameter acquisition manner indicated by the parameter processing mode includes: displaying a first page corresponding to the parameter processing mode based on a detected film roll sheet creation request, wherein the parameter acquisition manner indicated by the parameter processing mode includes acquisition through the first page; andacquiring the parameter content of the film roll parameters through the first page. In the above embodiment, by displaying the first page corresponding to the parameter processing mode and acquiring the parameter content through the first page, the flexibility of acquiring the film roll parameters can be improved, thereby meeting various operating states of the coating machine. In some embodiments, the acquiring the parameter content of the film roll parameters through the first page includes: displaying a parameter editing area of the film roll parameters through the first page; anddetecting the edited content in the parameter editing area, and determining the parameter content of the film roll parameter according to the edited content. In the above embodiment, the manner for acquiring the parameter content of the film roll parameters through the parameter editing area can more flexibly acquire the parameter content, so as to meet various operating states of the coating machine. In some embodiments, the generati