Submersible motor winding and power supply connecting structure

Abstract

The invention provides a submersible motor winding and power supply connecting structure, which comprises a motor winding wire connector and a power cable lead-out wire connector, wherein the motor winding wire connector and the power cable lead-out wire connector are in parallel lapping joint in a manner of facing each other and are sleeved with a metal pipe, the metal pipe fastens the two connectors in a cold pressure welding manner, is coated with a layer of clay, the periphery of the clay is level with the outer surface of an motor winding wire outer sheath, outer diameters of the motor winding wire outer sheath and a power cable lead-out wire outer sheath are identical, and the clay is coated with a heat-shrinkable casing pipe. By adopting the structure, the two connected connectors have no burr and are regular in shape when compared with two connectors connected by adopting a tin soldering method in the prior art, the metal pipe is coated with the layer of clay and sleeved with the heat-shrinkable casing pipe, and the residual air in the inside is extruded out, thereby eliminating the hidden dangers of discharge; and by adopting the improved connectors, an insulation resistance value and a breakdown voltage value are greatly improved, the submersible motor winding and power supply connecting structure is stable in performance when immersed in water for a long time, and the service life of the product is prolonged.

Description

technical field [0001] The invention belongs to the field of submersible motors, in particular to a connection structure between a submersible motor winding and a power supply. Background technique [0002] Since the submersible motor is used in water, the insulating material used must have good electrical insulation performance in water for a long time, and at the same time be able to be sealed to isolate the connection between water and electricity. Practice has proved that: in the more than 100 years since the submersible motor was put into use, more than 50% of the statistical motor faults are electrical faults, and the electrical faults are mainly insulation breakdown or low insulation resistance. Most of the damaged parts that cause failures are the connection parts of windings and lead-out cables. How to design a novel connection structure to completely solve the breakdown problem and solve this long-standing problem that has affected the reliability of the motor for ...

AI Technical Summary

Problems solved by technology

Most of the damaged parts that cause failures are the connection parts of windings and lead-out cables. How to design a novel connection structure to completely solve the breakdown problem and solve this long-standing problem that has affected the reliability of the motor for many years has become a major issue in this field. Topics researched by field technicians

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