轨道交通变流器液冷系统的试验装置及系统

By designing a test device for the liquid cooling system of rail transit converters, and utilizing equipment such as temperature control loops, water pump head test loops, and liquid cooling system circulation simulation loops, the problem of the inability to accurately simulate on-board liquid cooling systems in existing technologies has been solved. This enables high-precision testing and comparative studies of multiple component models, and provides testing capabilities from low temperature to high temperature.

CN116183275BActive Publication Date: 2026-07-17CHINA ACADEMY OF RAILWAY SCI CORP LTD +3

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA ACADEMY OF RAILWAY SCI CORP LTD
Filing Date
2023-04-04
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing tests for converter liquid cooling systems cannot fully replicate the vehicle-mounted converter cooling system on a 1:1 scale on the ground, and cannot achieve accurate ground simulation testing of vehicle-mounted liquid cooling systems. The testing capabilities and accuracy are limited, and research on complex operating conditions such as low temperatures is not possible.

Method used

A test device for a liquid cooling system of a rail transit converter is provided, including a temperature control loop, a water pump head test loop, a liquid cooling system circulation simulation loop, a heat exchanger airflow measurement device, and a data acquisition module. These devices can accurately reproduce the working state of the on-board liquid cooling system and realize accurate testing of the converter liquid cooling system and its sub-components.

Benefits of technology

It achieves high-precision simulation testing of vehicle-mounted liquid cooling systems, improving the convenience and accuracy of testing. It can conduct tests in the range of low to high temperatures, has the ability to conduct comparative research on multiple component models, and the testing method is simple, highly stable, and fully functional.

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Abstract

一种轨道交通变流器液冷系统的试验装置及系统,试验装置包括:温度控制回路中加热器、制冷源连接、供液水泵连接与储液箱依次连接;水泵扬程测试回路与温度控制回路连接,水泵扬程测试回路中电磁流量计与储液箱连接;液冷系统循环模拟回路中测试水泵与储液箱、测试换热器、主管路连接,测试换热器与储液箱、主管路、风机连接,风机与换热器风量测量设备连接,主管路与水冷基板测试工位、储液箱、加热器连接;水冷基板测试工位上设置有模拟热源及监测传感器;数据采集模块与各回路及设备通信连接。本发明高精度复现了车载液冷系统的工作状态,具有测试精度高、测试方法简便、稳定性好、可靠性高、功能完备等优点,保证了测试精度和测试数据的全面。
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