Lithium battery electrode lug mixing detection method and electrode lug welding detection system

A technology of tab welding and detection methods, which is applied in the direction of measuring devices, optical testing of flaws/defects, and material analysis through optical means, can solve the problems of low detection automation and achieve high automation, accurate detection rate, and detection efficiency high effect

Inactive Publication Date: 2019-01-11
GUANGZHOU SUPERSONIC AUTOMATION TECH CO LTD
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  • Abstract
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Problems solved by technology

It can solve the problem of low automation in the detection of the fusion of the existing lithium battery tabs during welding

Method used

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  • Lithium battery electrode lug mixing detection method and electrode lug welding detection system
  • Lithium battery electrode lug mixing detection method and electrode lug welding detection system
  • Lithium battery electrode lug mixing detection method and electrode lug welding detection system

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Embodiment Construction

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. When a component is said to be "set on" another component, it may be set directly on the other co...

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Abstract

The invention discloses a lithium battery electrode lug mixing detection method and an electrode lug welding detection system. An electrode lug welding detection device is used for detecting an electrode lug in real time and establishing an electrode lug welding database and a classification model. The method comprises the following steps of: acquiring data, labeling basic data, generating the classification model, outputting a detection result, detecting an electrode lug to be detected in real time, inputting detected data into the classification model for comparative analysis, determining whether the electrode lug mixing exists, and outputting a detection result. By implementing the method through the system, whether the welding spots of the electrode lug welding have a mixing defect isquickly detected, and the automation and detection efficiency are improved.

Description

technical field [0001] The invention relates to the field of welding, in particular to a method for detecting the bonding of tabs of a lithium battery and a detection system for tab welding. Background technique [0002] Tabs are a raw material for lithium-ion polymer battery products. For example, mobile phone batteries, bluetooth batteries, and notebook batteries used in our daily life all need to use tabs. The battery is divided into positive and negative poles, and the tabs are the metal conductors that lead the positive and negative poles out of the battery. In layman's terms, the ears of the positive and negative poles of the battery are the contact points when charging and discharging. This contact point is not the copper piece we see on the outside of the battery, but a connection inside the battery. The tabs are divided into three materials. The positive electrode of the battery is made of aluminum, the negative electrode is made of nickel, and the negative electr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88
CPCG01N21/8851G01N2021/8887G01N2021/888G01N2021/8854
Inventor 赵大兵张俊峰叶长春李功果
Owner GUANGZHOU SUPERSONIC AUTOMATION TECH CO LTD
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