Power electronic integrated module layered cold plate performance test platform and test method

Abstract

The invention discloses a power electronic integrated module layered cold plate performance test platform and test method, the test platform comprises a rack, a cold plate is connected to the rack, the inlet of the cold plate is connected with the outlet of a water storage tank sequentially through an inlet water temperature control module, a flow controller and a water pump, and the water storagetank, the water pump, the flow controller and the inlet water temperature control module form a cooling liquid supply module; a cold plate outlet is connected with a water return port of the water storage tank; a thermal load applying module is arranged on the cold plate and is provided with a heat source temperature measuring part; an inlet temperature measuring part is arranged at the inlet ofthe cold plate, and an outlet temperature measuring part is arranged at the outlet of the cold plate; an environment temperature measuring part is arranged on the rack; the environment temperature measuring component, the outlet temperature measuring component, the inlet temperature measuring component and the heat source temperature measuring component form a temperature measuring module; a pressure difference measuring module is connected between the inlet and the outlet of the cold plate; according to the invention, heat loss measurement and heat dissipation performance measurement of different sizes and structures are realized on the test platform.

Description

technical field [0001] The invention belongs to the technical field of cold plate performance testing, and in particular relates to a performance testing platform and a testing method for a layered cold plate of a power electronic integrated module. [0002] technical background [0003] The layered cold plate can well solve the heating problem of the power electronic integrated module during use, thereby effectively prolonging the service life of the power electronic integrated module and reducing the failure rate in use. The most important performance indicators of the cold plate during use include: the pressure difference between the inlet and outlet of the fluid and the thermal resistance of the cold plate. [0004] In recent years, for different application scenarios, the cold plates designed by engineers have different inlet and outlet layouts, different inlet flow velocities, different single-layer and multi-layer structures, different applicable heat dissipation power...

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Problems solved by technology

[0004] In recent years, for different application scenarios, the cold plates designed by engineers have different inlet and outlet layouts, different inlet flow velocities, different single-layer and multi-layer structures, different applicable heat dissipation power, and different sizes; therefore, When domestic and foreign researchers test the performance of a specific cold plate, they often can only build corresponding test devices according to the specific cold plate structure. Such an experimental method has poor controllability of external environmental variables, and the type of cold plate that can be tested is single. The disadvantages such as poor uniformity of the method lead to difficult experimental operation, high possibility of interference, complicated construction of the experimental platform, and the need for cross-experimental platform performance experiments, which is not conducive to cold plate research and engineering testing.

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