A cascaded multi-voltage level power supply integrated conversion device of a magnetic suspension test bed

CN121939774BActive Publication Date: 2026-08-28SHENZHEN POSTMAN TECH CO LTD
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Patent Information

Application Number
CN202610389181.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2026-03-27
Publication Date
2026-08-28
Estimated Expiration
2046-03-27

AI Technical Summary

Technical Problem

[0005]本发明的目的在于提供一种磁悬浮试验台的级联式多电压等级电源集成转换装置，用于解决现有磁悬浮试验台多电压等级电源转换模块独立设计导致的布线复杂、电磁干扰叠加、参数失配、功率密度低、维护不便的技术问题，实现DC1500V→DC330V→DC110V→AC220V四级转换的一体化集成，提升整体转换效率、降低电磁干扰、提高功率密度，同时简化安装与维护流程

Benefits of technology

1.一体化集成设计，简化了布线并提升转换效率：将DC1500V→DC330V→DC110V→AC220V四级转换模块集成于一个铝合金壳体内，取消了各独立模块间的外部布线，减少线路损耗，整体转换效率显著提升，同时大幅降低安装调试工作量；

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Abstract

The application discloses a kind of cascaded multi-voltage grade power supply integrated conversion device of magnetic suspension test bench, solve the wiring complex, electromagnetic interference superposition, parameter mismatch, power density low and other problems caused by independent design of existing magnetic suspension test bench power conversion module.The device is integrated structure, including aluminum alloy shell, divided into high-voltage DC conversion cavity, low-voltage DC conversion cavity and inverter cavity, each cavity is equipped with aluminum alloy shielding partition and sealed with conductive rubber, the bottom of shell is equipped with integrated water cooling channel;High-voltage DC conversion circuit converts DC1500V into DC330V, low-voltage DC conversion circuit converts DC330V into DC110V, inverter converts DC110V into AC220V, linkage control module realizes front stage and back stage parameter adaptive matching.The application realizes the integrated of four-stage voltage conversion, improves conversion efficiency, reduces electromagnetic interference, greatly simplifies installation and maintenance.
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Citation Information

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