JPS6392309U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案によるモータの一実施例の平面
図、第２図は第１図のモータの正面図、第３図の
Ａ，Ｂ，Ｃ，Ｄは第１図のモータの組立順序を示
す平面図、第４図は円筒マグネツトの軸受構造の
縦断面図、第５図はホール素子の配置を示す平面
図、第６図はモータの駆動回路図、第７図のＡ，
Ｂ，Ｃ，Ｄ，Ｅ，Ｆ，Ｇ，Ｈは第１図のモータの
回転動作説明図、第８図は第１図のモータの励磁
コイルに印加される電圧の波形図、第９図はホー
ル素子の出力波形図、第１０図は第１図のモータ
を内蔵したカメラの鏡筒の縦断面図である。 １……ベース、２，４，１１，１８……ステー
タ、２Ａ，４Ａ，１１Ａ，１８Ａ……磁極部（ス
テータ）、３，１２……励磁コイル、１７……円
筒マグネツト。 Fig. 1 is a plan view of an embodiment of the motor according to the present invention, Fig. 2 is a front view of the motor shown in Fig. 1, and A, B, C, and D in Fig. 3 show the assembly order of the motor shown in Fig. 1. 4 is a vertical cross-sectional view of the bearing structure of the cylindrical magnet, FIG. 5 is a plan view showing the arrangement of the Hall element, FIG. 6 is a motor drive circuit diagram, and FIG.
B, C, D, E, F, G, and H are explanatory diagrams of the rotational operation of the motor in Figure 1, Figure 8 is a waveform diagram of the voltage applied to the excitation coil of the motor in Figure 1, and Figure 9 is a diagram of the voltage applied to the excitation coil of the motor in Figure 1. The output waveform diagram of the Hall element, FIG. 10, is a longitudinal sectional view of the lens barrel of the camera incorporating the motor shown in FIG. 1... Base, 2, 4, 11, 18... Stator, 2A, 4A, 11A, 18A... Magnetic pole part (stator), 3, 12... Excitation coil, 17... Cylindrical magnet.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ベースに軸支された円筒マグネツトと、該円筒
マグネツトの外周に配置された複数対の磁極部を
有する複数対のステータと、各ステータ対に巻回
された複数の励磁コイルとを備え、前記複数対の
ステータが、前記ベースに固定されるとともに、
第１の磁極部を有する第１のステータと、該第１
のステータに結合されるとともに第１の励磁コイ
ルが巻回されかつ前記第１の磁極部に対し略１８
０度位相に配置された第２の磁極部を有する第２
のステータと、前記ベースに固定されるとともに
第２の励磁コイルが巻回されかつ第３の磁極部を
有する第３のステータと、該第３のステータに結
合されかつ前記第３の磁極部に対し略１８０度位
相に配置された第４の磁極部を有する第４のステ
ータから成ることを特徴とするモータ。 A cylindrical magnet pivotally supported by a base, a plurality of pairs of stators having a plurality of pairs of magnetic pole parts disposed around the outer periphery of the cylindrical magnet, and a plurality of excitation coils wound around each stator pair. a pair of stators are fixed to the base, and
a first stator having a first magnetic pole portion;
The stator is coupled to the stator, and a first excitation coil is wound thereon, and approximately 18 mm is connected to the first magnetic pole portion.
a second magnetic pole having a second magnetic pole portion arranged at 0 degree phase;
a third stator fixed to the base and having a second excitation coil wound thereon and having a third magnetic pole part; a third stator coupled to the third stator and having a third magnetic pole part; A motor characterized in that it comprises a fourth stator having a fourth magnetic pole portion arranged approximately 180 degrees in phase with respect to the fourth stator.