Partition plate for preventing short circuit of battery busbar

By using acid-resistant and high-temperature-resistant insulating separators in lead-acid batteries, the problem of short circuits between the positive and negative busbars is solved, improving the stability and safety of the battery and preventing battery failure.

CN224177547UActive Publication Date: 2026-04-28HEBEI AOGUAN POWER SOURCE CO LTD
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Patent Information

Application Number
CN202520951068.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-15
Publication Date
2026-04-28
Estimated Expiration
2035-05-15

AI Technical Summary

Technical Problem

During use, the positive electrode busbar height of a lead-acid battery increases due to the expansion and contraction of the positive electrode plate, causing it to come into contact with the negative electrode busbar, creating a short circuit risk and ultimately leading to battery failure.

Method used

Design a separator for battery busbars, using acid-resistant and high-temperature-resistant insulating materials such as PVC or PE sheets, and place it between the positive and negative busbars. By designing notches and circular through holes on the separator, ensure insulation and isolation while facilitating the flow of acid, prevent short circuits caused by contact between the positive and negative busbars, and improve battery safety.

Benefits of technology

This technology enables efficient and convenient connection of parallel terminals through temperature variations, providing insulation to prevent battery short circuits and improving battery stability and safety.

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Abstract

The utility model provides a partition plate for preventing short circuit of a battery busbar, which is arranged between a primary busbar and a secondary busbar of a storage battery plate group and comprises an insulating plate, the long side edge of the insulating plate is parallel to the length direction of the primary busbar, and the long side edge of the insulating plate is provided with a notch structure for providing a clearance space for an acid adding port of a storage battery. The device is simple and reasonable in structure and high in integrity, and is arranged between a primary busbar and a secondary busbar of a storage battery plate group, so that the primary positive busbar and the secondary negative busbar are prevented from being insulated and isolated, the primary positive busbar and the secondary negative busbar are prevented from being short-circuited, and the failure of a lead-acid storage battery is avoided; and the structure is simple, installation is easy, maintenance is convenient, applicability is wide, and application and popularization are facilitated.
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