Lithium battery PACK assembly detection device and method

Through the dual laser module detection device, the pre- and post-stage movement of the label during the assembly of the lithium battery PACK, the speed reduction strategy of the traction mechanism is determined, and the problem of low efficiency of the traditional detection method is solved, and the rapid and accurate detection of the label is achieved.

CN119665823AActive Publication Date: 2025-03-21SHENZHEN WANFUDA PRECISION EQUIP CO LTD
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Patent Information

Application Number
CN202510179741.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-03-21
Estimated Expiration
2045-02-19

AI Technical Summary

Technical Problem

In the assembly and testing of traditional lithium battery PACK, the single fiber detection method has great limitations, resulting in long detection time and low efficiency.

Method used

The dual laser module detection device is used to detect the early movement of the label through the first laser module. Based on this, the speed reduction strategy of the traction mechanism is determined. The second laser module detects the later movement of the label, and controls the traction mechanism to stop running during the speed reduction process to ensure the accurate position of the label.

Benefits of technology

It realizes fast and accurate detection of labels, avoids overshoot, improves detection efficiency, and provides a basis for labels to accurately attach to the surface of lithium battery.

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Abstract

According to the lithium battery PACK assembly detection device and method provided by the invention, by detecting the early-stage movement condition of a label in the label coil label discharging process during lithium battery PACK assembly, preparation is provided for providing accurate stop position for later laser sensor detection position, the later-stage movement condition of the label in the label coil label discharging process during lithium battery PACK assembly is detected, and the detection accuracy of the lithium battery PACK assembly is improved. The speed reduction strategy of the traction mechanism is determined on the basis of the early-stage movement condition of the label, the traction mechanism is controlled to reduce the speed according to the speed reduction strategy, the traction mechanism is controlled to stop running in the speed reduction process on the basis of the later-stage movement condition of the label, and the label position is the label taking position after the traction mechanism stops running. According to the device, the speed is reduced first and then stopped, it can be more accurately guaranteed that the stop position of the label is not overshot, the label discharging rhythm is not affected, rapid detection of the lithium battery PACK assembly label is achieved, and a basis is provided for accurate attachment of the label to the surface of a lithium battery.
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