High temperature resistance diving motor winding wire and preparation technology

Abstract

The invention discloses a high temperature resistance diving motor winding wire and a preparation technology. The winding wire comprises a single-wire copper conductor and an intertwisted conductor which is obtained through intertwisting at least seven copper conductors; an ethane-tetrafluoroethene copolymer insulating layer and a polyamide sheath layer. The preparation technology comprises steps of drawing a copper wire to form soft copper wires of various models through a drawbench, enabling the drawn soft copper wire or the intertwisted wire to pass through a cable extruding machine, wherein the insulation layer made of the ethane-tetrafluoroethene copolymer and having thickness of 0.50-1.20mm wraps the outside of the drawn soft copper wire or the interteisted wire, passing the soft copper wire wrapped with the insulation layer through a caber extruding machine, wrapping the outside surface of the insulation layer with the sheath layer which is made of polyamide and has a thickness og 0.2-0.3mm. After performing the above steps, the high temperature diving motor winding wire is obtained. The wiring wire disclosed by the invention has characteristics of resisting oil, resisting acid and alkali and general solvent, can be used as a winding wire used under special environment like the high temperature oil pump, the sewage pump and the frequency conversion pump.

Description

technical field [0001] The invention relates to a winding wire, in particular to a high temperature resistant submersible motor winding wire and a preparation process thereof. Background technique [0002] With the continuous rapid development of my country's industry, the use environment of pumps is becoming more and more complex. At present, the winding wires used in water pumps in the domestic market use polyethylene (PE) as the insulating layer and polyamide (PA) as the sheath layer. This is the most common. The long-term working temperature of this kind of winding wire cannot exceed 70 ℃, and the service life is short. The mechanical and physical properties and electrical properties of the insulation and sheath of ordinary cables under high temperature conditions are all affected by high temperature, corrosion, and impact. The physical and mechanical properties of the device are degraded and cannot work normally, and the transmitted electrical signal has a deviation, whic...

AI Technical Summary

Problems solved by technology

[0002] With the continuous rapid development of my country's industry, the use environment of pumps is becoming more and more complex. At present, the winding wires used in water pumps in the domestic market use polyethylene (PE) as the insulating layer and polyamide (PA) as the sheath layer. This is the most common. The long-term working temperature of this kind of winding wire cannot exceed 70 ℃, and the service life is short. The mechanical and physical properties and electrical properties of the insulation and sheath of ordinary cables under high temperature conditions are all affected by high temperature, corrosion, and impact. The physical and mechanical properties of the machine are degraded and cannot work normally, and the transmitted electrical signal has a deviation, which cannot meet the needs of accurate signal transmission and cannot meet the requirements of a higher temperature working environment.

Images