Frequency converter IGBT module liquid cooling heat dissipation device of electric loader

Abstract

The invention relates to an electric loader, in particular to a frequency converter IGBT module liquid cooling heat dissipation device of the electric loader. The device comprises a water cooling headand a water pump; the water cooling head is of a closed box structure, an IGBT module is tightly attached to the upper surface of a top panel of the water cooling head, and a plurality of vertical cooling fins are densely distributed on the lower surface of the top panel of the water cooling head; the water pump is arranged at the bottom in the water cooling head, a water pump inlet is communicated with the radiator water outlet chamber through a liquid inlet pipe, the water cooling head is communicated with the radiator water inlet chamber through a liquid outlet pipe, and a plurality of radiating water channels are arranged between the radiator water outlet chamber and the radiator water inlet chamber. A fan is installed on one side of the radiator and electrically connected with the water pump and the fan. According to the IGBT module disclosed by the invention, heat is rapidly dissipated through the heat dissipation fins, and the heat dissipation fins are cooled by water, so the heat dissipation efficiency of the IGBT module is improved; the fan increases the radiating power of the radiator, so the functions of the radiator are centralized; and the water cooling head adopts intra-cavity direct injection pressurization, so the heat exchange efficiency is higher, and the service life of the pump body is longer.

Description

technical field [0001] The invention relates to an electric loader, in particular to a liquid cooling device for a frequency converter IGBT mold of the electric loader. Background technique [0002] The IGBT module is the core device of energy conversion and transmission, commonly known as the "CPU" of power electronic devices, and is widely used in rail transit, smart grid, aerospace, electric vehicles and new energy equipment. The main motor of the electric loader adopts a variable frequency motor, and the speed of the main motor is adjusted by a frequency converter. The IGBT module is used in the frequency converter of the electric loader. The IGBT module will generate a lot of heat when it is working. At present, the IGBT module uses an air-cooled radiator. Due to the influence of the structure and working conditions of the electric loader, the heat dissipation efficiency of the air-cooled is not high. Poor heat dissipation will affect the normal operation of the IGBT mo...

AI Technical Summary

Problems solved by technology

At present, the IGBT module uses an air-cooled radiator. Due to the influence of the structure and working conditions of the electric loader, the heat dissipation efficiency of the air-cooled is not high. Poor heat dissipation will affect the normal operation of the IGBT module, thereby affecting the normal operation of the electric loader.

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