JP2008104288A5 - - Google Patents

Claims (3)

複数の歯部と外周部分の継鉄部とで前記歯部と同数のスロットを形成する固定子鉄芯を、歯部とこの外周部の継鉄部の一部とを一体に形成するスロット数と同数の分割鉄芯体Ａと、相隣接する分割鉄芯体Ａ相互を連結し外周部の磁路をなす継鉄部を形成する分割鉄芯体Ｂとに分割してなり、前記分割鉄芯体Ａは回転子軸と直角方向の径方向に磁化容易な特性を持つ方向性電磁鋼板を打抜き、周方向に積層して形成し、前記分割鉄芯体Ｂは磁性粉末を所定の形状に成型してなる圧粉磁心で形成してなり、かつ前記分割積層体Ａは回転子対向面および分割鉄芯体Ｂとの接合面では軸方向長さがその他の部分よりも長く形成し回転子孔の周囲に放射状を成すように配置した状態で各々の歯部に対し集中巻で巻線を巻装したあと、または前記分割鉄芯体Ａの歯部に巻線を装着し回転子孔の周囲に放射状をなすように配置したあと、前記分割鉄芯体Ｂとを合体し固定子の組立・一体化をした構成のコンデンサ電動機。 The stator iron core that forms the same number of slots as the tooth portions by a plurality of tooth portions and the yoke portion of the outer peripheral portion, and the number of slots that integrally forms the tooth portion and a part of the yoke portion of the outer peripheral portion. The divided iron cores A are divided into the same number of divided iron cores A, and the divided iron cores B are connected to each other to form a yoke part that connects the adjacent divided iron cores A to form a magnetic path on the outer periphery. The core body A is formed by punching a directional electrical steel sheet having a property of being easily magnetized in a radial direction perpendicular to the rotor axis and laminating it in the circumferential direction, and the divided iron core body B has a magnetic powder in a predetermined shape. The rotor is formed of a powder magnetic core formed by molding, and the split laminated body A is formed so that the axial length is longer than the other portions at the joint surface with the rotor facing surface and the split iron core B. After the winding is wound around each tooth by concentrated winding in a state of being arranged radially around the hole, or the divided iron core After arranged so as to form a radially around the tooth portions of the windings mounted on the rotor hole of A, the divided iron core member B and the capacitor motor configuration in which the assembly and integration of coalesced stator a. 分割鉄芯体Ａは同一形状で打抜き・積層してなり、回転子鉄芯外周面に対しほぼ同寸法の空隙を介して配置された構成の請求項１記載のコンデンサ電動機。 Divided iron core A becomes to punching and laminated in the same shape, capacitor motor according to claim 1 of configuration disposed with a gap of approximately the same size relative to the rotor iron core outer circumference. 分割鉄芯体Ｂは、回転子軸と直角方向に２分割して各々分割鉄芯体Ｂａ、Ｂｂをなし、前記分割鉄芯体Ｂａおよび／またはＢｂの周上を分割鉄芯体Ａまたはスロット数と同数に等分する位置に取付部を設け、分割鉄芯体Ａの外周側先端部分を前記分割鉄芯体Ｂａおよび／またはＢｂの取付部によって上下から挟み込む形で合体し固定子の組立・一体化をした構成の請求項１または２記載のコンデンサ電動機。 The divided iron core B is divided into two in the direction perpendicular to the rotor shaft to form divided iron cores Ba and Bb, respectively, and the divided iron core A and the slot on the periphery of the divided iron core Ba and / or Bb. Assembling of the stator is performed by providing a mounting portion at a position equally divided by the number, and by combining the outer peripheral side tip portion of the divided iron core A from above and below by the mounting portion of the divided iron core Ba and / or Bb. The capacitor motor according to claim 1 or 2 , wherein the capacitor motor is integrated.