Energy storage cabinet and energy storage system capable of discharging smoke directionally

By designing a directional smoke exhaust pipe in the energy storage cabinet, the high-temperature flue gas in the battery pack is discharged to the outside, which solves the problem of explosion caused by the accumulation of combustible gases when the battery pack is thermally out of control, and improves the safety of the energy storage system.

CN222673181UActive Publication Date: 2025-03-25HUAWEI DIGITAL POWER TECH CO LTD
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Patent Information

Application Number
CN202323352171.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-08
Publication Date
2025-03-25
Estimated Expiration
2033-12-08

AI Technical Summary

Technical Problem

When the battery pack in the energy storage cabinet is thermally out of control, the combustible gas released by the pressure relief valve may cause an explosion in a closed environment, and the prior art is difficult to effectively discharge the gas and reduce the risk of combustion or explosion.

Method used

Design a directional smoke exhaust pipe to discharge the high-temperature flue gas generated in the battery pack to the external environment through the smoke exhaust pipe, reducing the risk of gas accumulation in the energy storage cabinet.

Benefits of technology

Through the design of directional smoke exhaust pipes, the risk of combustible gases in the energy storage cabinet is effectively reduced and the risk of combustion or explosion is improved, and the safety performance of the energy storage system is improved.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model provides an energy storage cabinet capable of discharging smoke directionally, the energy storage cabinet comprises a box body, the box body is used for accommodating a plurality of stacked battery packs and a smoke discharging pipeline, the smoke discharging pipeline is arranged between a rear wall and the plurality of battery packs, the smoke discharging pipeline extends along the stacking direction of the plurality of battery packs, the smoke discharging pipeline is provided with a plurality of smoke inlets, a plurality of smoke outlets and a plurality of ventilation openings, the smoke outlet and the ventilation opening are both communicated with the external environment of the energy storage cabinet, the position of the smoke outlet in the smoke exhaust pipeline is higher than the position of the ventilation opening, at least part of the battery pack is provided with a pressure release valve towards the outer wall of the smoke exhaust pipeline, a first sealing piece is arranged between the pressure release valve and the smoke inlet, and an opening in one end of the first sealing piece covers the periphery of the pressure release valve. An opening in the other end of the first sealing piece covers the periphery of the smoke inlet. And high-temperature smoke released when the battery pack is subjected to thermal runaway is discharged to the smoke exhaust pipeline through the smoke inlet, and then is released to the external environment through the smoke exhaust port, so that directional smoke exhaust of the energy storage cabinet is realized.
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