Water curtain cooling device for high-power variable frequency motor stator

Abstract

The invention discloses a water curtain cooling device for a high-power variable frequency motor stator, and specifically relates to the technical field of motor cooling devices. The water curtain cooling device for the high-power variable frequency motor stator comprises a left cooling part, a right cooling part and a water inlet part, wherein each of the left cooling part and the right cooling part is provided with a cavity and a connecting part projecting inside the corresponding cavity, and a water inlet and a plurality of small holes which are communicate with one another are formed in each connecting part; the water inlet part comprises a main water inlet pipe assembly, a water distribution block, a left water inlet pipe assembly and a right water inlet pipe assembly; after the waterinlet part is connected to an external water source, pressure water firstly enters into the water inlet and then rushes out from the small holes, a water curtain is formed in each cavity, and the water curtains are finally merged to the lower parts of the cavities and are discharged out from a left water discharge pipe assembly and a right water discharge pipe assembly. The cooling for a motor isrealized by forming the water curtains on the periphery of the motor stator, so that the cooling area is large, a water flow is unlikely to block or leak, and the device is convenient to maintain.

Description

technical field [0001] The invention relates to the technical field of motor cooling devices, in particular to a water curtain cooling device for a stator of a high-power variable frequency motor. Background technique [0002] At present, the cooling device of the stator of the high-power variable frequency motor mostly adopts the structure of the inner and outer layers of the motor shell that is nested and welded, and the closed surface of the inner layer is processed with a return type or a spiral water channel, one end of which enters water and the other end drains water. . The disadvantage is that the cooling area is relatively small, the water flow is easily blocked and crossed, and it is not easy to maintain; in order to prevent fouling and corrosion, the requirements for cooling water quality are also high. Once leakage occurs, it is difficult to be found in time and accidents are likely to occur. Contents of the invention [0003] The purpose of the present invent...

AI Technical Summary

Problems solved by technology

Its disadvantage is that the cooling area is relatively small, the water flow is easily blocked and crossed, and it is not easy to maintain; in order to prevent fouling and corrosion, the requirements for cooling water quality are also high. Once leakage occurs, it is difficult to be found in time, and accidents are easy to occur

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