A fluidic cooling device

By designing staggered flow channels and collection pipes, combined with capillary and nozzle structures, the jet cooling device solves the problems of uneven heat transfer and insufficient cooling area in microjet cooling devices, achieving high efficiency, uniform temperature, and compactness, making it suitable for heat dissipation of high power density electronic components.

CN224306146UActive Publication Date: 2026-05-29SHANGHAI INST OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI INST OF TECH
Filing Date
2025-05-30
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing microjet cooling devices suffer from uneven heat transfer and insufficient cooling area, resulting in poor heat dissipation for high-power-density electronic components.

Method used

A jet cooling device was designed, including a chip mounting base, a microstructure cold plate, a flow divider plate, a flow collector plate, a cover plate, and pipe joints. Through the staggered flow divider channels and flow collector pipes, combined with capillary structure and nozzle structure, uniform distribution of cooling working fluid and efficient jet impact are achieved, thereby enhancing heat transfer performance.

Benefits of technology

It improves the temperature uniformity and heat dissipation performance of the cooling device, enhances the compactness and applicability of the cooling effect, and can effectively utilize the heat dissipation performance of high-speed jets to meet the needs of different heat exchange areas and disturbance levels.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of jet cooling device, comprising: chip fixed base, microstructure cold plate, shunt plate, collecting plate, cover plate and pipeline joint;The upper surface of microstructure cold plate is provided with microstructure rib column and rib column bottom surface covering capillary structure, and microstructure cold plate is sealingly connected with shunt plate;Shunt plate is provided with shunt groove, and shunt plate is provided with jet flow groove, and jet flow groove is cooperated with microstructure cold plate to form jet flow cavity, and microstructure rib column is located in jet flow cavity, and shunt groove is provided with shunt hole and collecting duct arranged in staggered manner;The bottom surface of collecting plate and the upper peripheral edge of shunt plate form shunt cavity, and collecting plate is provided with collecting groove, and the center of collecting groove is provided with shunt duct, and the bottom surface of collecting plate is provided with collecting hole;The bottom surface of cover plate and the upper peripheral edge of collecting plate form collecting cavity, and the top surface center of cover plate is provided with inlet hole to connect shunt duct.Compared with prior art, the utility model has the advantages of high efficiency, uniform temperature, heat dissipation performance, compactness, integration, wide applicability and the like.
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