Process equipment for sealing and curing of liquid fillers for motor armatures after impregnation

Abstract

The invention provides process equipment for sealing and curing an impregnated liquid filler of a motor armature; the motor armature comprises a magnetic conduction part and a coil winding, wherein the motor armature is impregnated with the liquid filler, and is horizontally arranged in the equipment in an axial direction; the equipment comprises an air flow supply unit and a main body lower partchocking unit, wherein the air flow supply unit is used for supplying air flow which is heated and pressurized; the main body lower part chocking unit is arranged at the lower part of the motor armature; and a pressure storage cavity is formed in the lower part of the motor armature, so that the air flow conveyed from the air flow supply unit is stored in the pressure storage cavity, an air pressure sealing environment is formed on the surface of the motor armature, and the liquid filler is prevented from flowing out and falling down from the motor armature. According to the process equipmentdisclosed by the invention, the liquid filler can be effectively blocked after an impregnation process, and the over run off of the liquid filler can be avoided, so that the filling fullness of the motor armature is improved, the insulation performance of the motor armature o is improved, and the service life of the motor armature is prolonged.

Description

technical field [0001] The invention relates to the technical field of electric motors, and more specifically, relates to a process equipment for sealing and curing the liquid filling material of the motor armature of the electric motor after the impregnation process. Background technique [0002] Wind energy is one of the cleanest, non-polluting renewable energy sources. Utilization of wind power generation has increasingly become the main form of wind energy utilization, and is highly valued by countries all over the world. A wind turbine is a large-scale power generation device that converts wind energy into electrical energy. [0003] The motor is the core component of the wind turbine, including the rotor and stator. Generally, the stator includes a stator magnetically permeable part and a winding fixed on the stator magnetically permeable part. Taking the stator as an example, such as Figure 1-3 As shown, the motor armature 100 includes a magnetic conductive part 1...

AI Technical Summary

Problems solved by technology

[0009] Therefore, in the process of insulating the motor armature 100 with the traditional insulation treatment process and process equipment, it is impossible to effectively prevent the liquid filler from flowing out of the slot (slot wedge) along the radial direction, and from flowing out of the slot along the axial direction. The direction flows outward from the axial ends of the winding slot, resulting in a large number of gaps in the motor armature 100 due to insufficient filling of the liquid filler, especially the small amount of paint on the surface of the ferromagnetic boundary and a thin paint layer

In the notch part, it is also difficult to form a strict sealing ring on the periphery of the slot wedge, resulting in the formation of a gap between the slot wedge and the notch silicon steel sheet of the magnetic permeable part 10, and moisture and water will naturally enter the slot along the debonding gap to destroy the insulation. Bring safety hazards to the operation of wind turbines

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