"Example" sharing | Talking about the series application of Nextvision 3D smart sensor in the lithium battery industry

Time:2022-08-05 Return

Background knowledge

In recent years, under the influence of carbon emission pressure, the policy support for new energy vehicles in various countries has continued to strengthen. The share of new energy vehicles in the overall automobile market has increased year by year. The most important component of new energy vehicles is the power battery, so the market competition for lithium batteries is becoming more and more fierce. The power battery is composed of cells one by one, so it is necessary to control each cell in terms of quality.

Today, I will introduce to you the application case of ETV LVM series cameras in the lithium battery industry!


Applications

1. Welding seam detection of cell top cover: leakage welding, Higold, welding holes

Client: A global leader in the new energy lithium battery industry

Workpiece: An internationally renowned new energy vehicle battery cell

Downstream industry: new energy battery industry

Item model number: LVM-2610

Technical requirements: Check the welding quality of the top cover of the cell (missing welding, virtual welding, bump, explosion point, explosion point, knife pattern, etc.);

Customer value: realize fully automatic inspection; improve product quality, prevent defective products from flowing out to OEMs, avoid serious quality accidents; improve the consistency of inspection results.

2. Appearance inspection of cells before coating: defects such as depressions and scratches

Client: A global leader in the new energy lithium battery industry

Workpiece: An internationally renowned new energy vehicle battery cell

Downstream industry: new energy battery industry

Item model number: LVM-2630

Technical requirements: Detect defects such as dents and scratches on the appearance of cells;

Customer value: realize fully automatic inspection; improve product quality, prevent defective products from flowing out to OEMs, avoid serious quality accidents; improve the consistency of inspection results.


3. Surface defect detection of cells after coating

Client: A global leader in the new energy lithium battery industry

Workpiece: An internationally renowned new energy vehicle coated cell

Downstream industry: new energy battery industry

Item model number: LVM-2630

Technical requirements: Use two LVM2630 splicing methods to detect and analyze foreign objects, scratches, wrinkles, pits, bubbles and other defects;

Customer value: realize fully automatic inspection; improve product quality, prevent defective products from flowing out to OEMs, avoid serious quality accidents; improve the consistency of inspection results.


4.Busbar post welding quality inspection

Client: A global leader in the new energy lithium battery industry

Workpiece: Busbar cell module

Downstream industry: new energy battery industry

Product Model: LVM- 2520

Technical requirements: 3D camera with 2D camera to detect the quality of Busbar after welding ;

Customer value: realize fully automatic inspection; improve product quality, prevent defective products from flowing out to OEMs, avoid serious quality accidents; improve the consistency of inspection results.


5. PACK foreign body detection

Client: A global leader in the new energy lithium battery industry

Workpiece: PACK case

Downstream industry: new energy battery industry

Item model number: LVM-2630

Technical requirements: Detect foreign objects of the same color, and calculate the depth of foreign objects according to the detection;

Customer value: realize fully automatic inspection; improve product quality, prevent defective products from flowing out to OEMs, avoid serious quality accidents; improve the consistency of inspection results.


Nextsight Advantage

1)A full range of product lines with independent intellectual property rights: 3D cameras with high precision, high speed and high stability, the performance indicators have reached the international first-class level, the measurement repeatability is within 0.1 micron, and the scanning speed can reach up to 56000Hz;

2)It has the industry-leading 3D vision solution capabilities: the algorithm system is powerful and can be used for multi-channel point cloud data splicing to help customers achieve technological innovation;

3)Rich application scenarios: customized 3D cameras can be provided to meet various on-site inspection and measurement environments, and have been widely used in consumer electronics, new energy batteries, automobile manufacturing, sheet metal processing and other fields.






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