Manufacturing method of bus duct shell and bus duct shell

Through laser selective melting additive manufacturing of aviation-grade aluminum alloy powder and nano-scale thermal conductivity enhanced phase composite powder, combined with laser-assisted hot isostatic pressing and supercritical fluid and magnetic field collaborative processing, the structural stability and thermal conductivity balance problems of the bus duct shell are solved, and the synergistic effects of high-precision installation cavity, increased strength, enhanced heat dissipation and protective performance are achieved.

CN120662816AActive Publication Date: 2025-09-19ZHUHAI SHUNXIN ELECTRIC EQUIP LTD CORP
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Patent Information

Application Number
CN202511187053.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-25
Publication Date
2025-09-19
Estimated Expiration
2045-08-25

AI Technical Summary

Technical Problem

The existing bus duct shell has deficiencies in structural stability, thermal conductivity balance and manufacturing process, resulting in low power transmission efficiency, many safety hazards, and a lack of effective heat dissipation structure design and material micro-control.

Method used

Aviation-grade aluminum alloy powder and nano-scale thermal conductivity enhanced phase composite powder are used. Through laser selective melting additive manufacturing and bionic composite methods, combined with laser-assisted hot isostatic pressing, supercritical fluid and magnetic field collaborative processing, a high-precision installation cavity is formed. The bionic composite method forms a high-precision installation cavity, realizes the atomic-level combination of the main shell and the connecting plate, constructs a bionic micro-nano heat dissipation structure and a gradient multifunctional protective layer, and performs intelligent regulation of temperature balance.

Benefits of technology

The high-precision manufacturing of bus duct shells is achieved. The bionic composite powder method is used to form a high-precision installation cavity, which solves the defects of traditional casting processes, improves the structural strength, thermal conductivity and temperature balance of the shell, reduces the interface thermal resistance, enhances the heat dissipation efficiency and protection performance, and ensures the dimensional stability and long-term reliability of the shell.

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Abstract

The invention discloses a bus duct shell manufacturing method and a bus duct shell. Comprising the steps that main shell aluminum-based composite powder is prepared, a main shell is manufactured through selective laser melting additive manufacturing, a connecting plate aluminum-based composite blank is prepared, the main shell and a connecting plate are subjected to atomic-scale combination, a surface micro-nano heat dissipation structure is constructed, supercritical fluid and a magnetic field are subjected to cooperative treatment, a protective layer is prepared, and temperature balance is regulated and controlled. According to the method, through advanced technologies such as laser additive manufacturing, the precision, mechanical performance and heat conduction performance of the main shell are improved, atomic-scale combination of the main shell and the connecting plate is achieved, heat dissipation and protection performance is improved, residual stress is reduced, and long-term reliable use of the shell is guaranteed.
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