INSULATED ELECTRIC WIRE AND MANUFACTURING METHOD THEREFOR, AND COIL, ROTARY ELECTRIC MACHINE, AND ELECTRICAL AND ELECTRONIC EQUIPMENT USING THE INSULATED ELECTRIC WIRE

• Main Authors: YOSHIDA SHO, MUTO DAISUKE
• Format: Patent
• Language: English; Japanese
• Published: 28.02.2024
• Subjects: BASIC ELECTRIC ELEMENTS; CABLES; CONDUCTORS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES

To provide an insulated electric wire that uses an aluminum conductor as its conductor and employs a PAEK resin or a PPS resin as materials for a resin coating layer directly covering the conductor, ensuring excellent adhesion between the conductor and the resin coating layer, and exhibiting a high insulation breakdown voltage and superior heat resistance, and a manufacturing method for the insulated electric wire, as well as a coil, a rotary electric machine, and electrical and electronic equipment, each using the insulated electric wire.SOLUTION: This insulated electric wire has a conductor and a resin coating layer covering a periphery of the conductor, wherein: the conductor is an aluminum conductor surface-treated with CO2 plasma; and a portion of the resin coating layer in contact with at least the conductor comprises at least one kind of a polyaryl ether ketone resin and a polyphenylene sulfide resin.SELECTED DRAWING: None 【課題】導体としてアルミニウム導体を使用し、この導体を直接覆う樹脂被覆層の材料にＰＡＥＫ樹脂やＰＰＳ樹脂を用いながら、導体と樹脂被覆層との密着性に優れ、高い絶縁破壊電圧を示し、さらに耐熱性にも優れる絶縁電線及び当該絶縁電線の製造方法、並びに、この絶縁電線を用いたコイル、回転電機及び電気・電子機器を提供する。【解決手段】導体と、該導体の周囲を覆う樹脂被覆層とを有する絶縁電線であって、前記導体がＣＯ２プラズマにより表面処理されたアルミニウム導体であり、前記樹脂被覆層の、少なくとも前記導体に接する部分がポリアリールエーテルケトン樹脂及びポリフェニレンスルフィド樹脂の少なくとも１種を含む、絶縁電線。【選択図】なし