JPS58134082U

JPS58134082U - Commutatorless motor

Info

Publication number: JPS58134082U
Application number: JP2983982U
Authority: JP
Inventors: 喜和中村
Original assignee: 松下電器産業株式会社
Priority date: 1982-03-03
Filing date: 1982-03-03
Publication date: 1983-09-09
Also published as: JPH0242070Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は主マグネットにＣ型分割マグネットを用いた従
来の無整流子モータの断面図、第２図は同ステータ部の
平面図、第３図は同ロータ部の平面図、第４図ａ　”−
ｃは同ロータマグネットの展開図及び位置検出波形図、
第５図ａ、　　ｂは他の従来例の無整流子モータの断面
図及びロータの平面図、第６図ａ　”−ｃは同ロータマ
グネット部の展開図及び位置検出波形図、第７図ａ、　
　ｂは本考案の一実施例を示すモータの断面図及びロー
タ平面図、第８図ａ　”−ｃは同ロータマグネット部の
展開図及び位置検出波形図、第９図ａ　”’−ｃは他の
実施例にかかるロータ部の平面図である。１・・・・・・ステータコイル、２・・・−・・磁気感
応素子、３・・・・・・ロータフレーム、４・・・−・
・田−夕主マクネツ　　。ト、５・・・・・・位置検出用マグネット、６・・・・
・・磁性体板、６ａ・・・・・・切り欠き部。補正　昭５７．１０．６実用新案登録請求の範囲、図面の簡単な説明を次のよう
に補正する。Ｏ実用新案登録請求の範囲Ｃ型分割マグネットを有するロータの回転位置を検出し
て複数個のモータコイルの通電タイ、ミングを制御する
位置検出信号を発生する位置検出装置を有し、前記ロー
タの位置検出装置に対向するマグネットの端面に、前記
Ｃ型分割マグネットの各ＮＳ極の切り変り部中央に、切
り欠き部が位置するように各ＮＳＳ切切変り部と同数の
切り欠き部を設けた磁性体板を配設した無整流子モータ
。図面の簡単な説明第１図は主マグネットにＣ型分割マグネットを用いた従
来の無整流子モータの断面図、第２図は同ステータ部の
平面図、第３図は同ロータ部の平面図、第４図ａ〜Ｃは
同ロータマグネットの展開図及び位置検出波形図、第５
図ａ、　　ｂは他の従来例の無整流子モータの断面図及
びロータの平面図、第６図ａ　”−ｃは同ロータマグネ
ット部の展開図及び位置検出波形図、第７図ａ、　　ｂ
は本考案の一実施例を示すモータの断面図及びロータ平
面図、第８図ａ〜Ｃは同口、−タマグネット部の展開図
及び位置検出波形図、第９図ａ〜Ｃは他の実施例にかか
るロータ部の平面図である。１・・・・・・ステータコイル、２・・・・・・磁気感
応素子、３・・・・・・ロータフレーム、４・・・・・
・ロータ主マクネット、６・・・・・・磁性体板、６ａ
・・・・・・切り欠き部。Figure 1 is a cross-sectional view of a conventional commutatorless motor that uses a C-shaped split magnet as the main magnet, Figure 2 is a plan view of the stator section, Figure 3 is a plan view of the rotor section, and Figure 4 a. ”−
c is a developed view of the same rotor magnet and a position detection waveform diagram;
Figures 5a and 5b are a sectional view and a plan view of the rotor of another conventional non-commutator motor, Figures 6a and 6c are developed views of the rotor magnet section and position detection waveform diagrams, and Figure 7a is a ,
b is a cross-sectional view of a motor and a plan view of the rotor showing an embodiment of the present invention, Fig. 8 a''-c is a developed view of the rotor magnet section and a position detection waveform diagram, and Fig. 9 a''-c are other views. FIG. 3 is a plan view of a rotor section according to the embodiment. 1...Stator coil, 2...-Magnetic sensing element, 3...Rotor frame, 4...-...
・Da - Yushu Makunetsu. G, 5... Magnet for position detection, 6...
...Magnetic plate, 6a...Notch. Amendment October 6, 1982 The claims for utility model registration and the brief description of the drawings are amended as follows. O Utility Model Registration Claims A position detection device that detects the rotational position of a rotor having a C-shaped split magnet and generates a position detection signal for controlling energization timing and timing of a plurality of motor coils, Magnetic magnetism in which the same number of notches as each NSS notch part are provided on the end face of the magnet facing the position detection device so that the notch part is located at the center of the notch part of each NS pole of the C-shaped split magnet. Commutatorless motor with a body plate. Brief explanation of the drawings Figure 1 is a sectional view of a conventional commutatorless motor using a C-shaped split magnet as the main magnet, Figure 2 is a plan view of the stator section, and Figure 3 is a plan view of the rotor section. , Figures 4 a to C are developed views and position detection waveform diagrams of the same rotor magnet, Figure 5
Figures a and b are a sectional view of another conventional non-commutator motor and a plan view of the rotor, Figures 6a and 6c are developed views of the same rotor magnet section and position detection waveform diagrams, and Figures 7a and b.
8A to 8C are a cross-sectional view of a motor and a plan view of a rotor showing an embodiment of the present invention, FIGS. It is a top view of the rotor part concerning an example. 1... Stator coil, 2... Magnetic sensing element, 3... Rotor frame, 4...
・Rotor main macnet, 6...Magnetic plate, 6a
・・・・・・Notch part.

Claims

[Scope of utility model registration request]

It has a position detection device that detects the rotational position of a rotor having a C-type split magnet and generates a position detection signal, and controls the timing of energization of a plurality of motor coils using the position detection signal, and simultaneously outputs the position detection signal. a speed signal output device synchronized with the rotational speed of the rotor, on the end face of the magnet facing the rotor position detection device, at the center of the switching part of each NS pole of the C-type split magnet;
A non-commutator motor with a magnetic plate provided with the same number of notches as each NSS switching section so that the notches are located.