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.
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
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.
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.
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.
Smart Images

Figure CN116183275B_ABST