3D diversion temperature management system of air-cooled energy storage battery cabinet

By using a 3D flow cone and composite runner design in the air-cooled energy storage battery cabinet, the problem of uneven temperature inside the battery pack is solved, and a more uniform heat dissipation effect is achieved, which extends the battery life and improves the system stability.

CN119674326APending Publication Date: 2025-03-21LIGOO (SHAN DONG) NEW ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411855218.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-03-21

AI Technical Summary

Technical Problem

The existing air-cooled energy storage battery cabinets have problems such as thermal cascade, heat sink and uneven flow distribution, resulting in uneven temperature inside the battery pack, affecting battery performance and life.

Method used

Using a 3D flow diversion temperature management system, a 3D flow cone is set up on the top of the battery cabinet to form a composite flow channel, and the cold air flow enters from the rear end and side of the battery pack and is extracted through the fan to avoid thermal cascade phenomenon, and the cold air flow is diverted through the secondary flow channel to enhance the heat dissipation effect of the front of the battery pack.

Benefits of technology

It effectively improves the temperature uniformity of the battery cabinet, extends the service life of the battery, avoids thermal cascade and heat sink, and improves the stability and safety of the energy storage system.

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Abstract

The invention relates to a 3D diversion temperature management system of an air-cooled energy storage battery cabinet, and belongs to the technical field of heat management systems of air-cooled energy storage battery cabinets. The temperature management system comprises a cabinet body and an air conditioner, multiple layers of battery packs are arranged in the cabinet body, a fan is arranged at the front end of each battery pack, a 3D flow guide cover is arranged at the top of the cabinet body, a composite flow channel communicated with an air outlet of the air conditioner is formed in the 3D flow guide cover, and the composite flow channel comprises an upper flow channel and a lower flow channel. And the lower runner consists of a main runner and a plurality of auxiliary runners. Cold air flow entering the battery cabinet is guided and shunted through the composite flow channel in the 3D flow guide cover, one part of the cold air flow enters the battery pack from an opening in the rear end of the battery pack, the other part of the cold air flow enters the front portion of the battery pack from an opening in the side face of the battery pack, then the air flow in the battery pack is pumped out through the fan, the overall temperature uniformity of the battery cabinet is improved, and the service life of the battery cabinet is prolonged. And the service life of the battery can be prolonged.
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