JPS59141481U

JPS59141481U - Motor with built-in frequency generator

Info

Publication number: JPS59141481U
Application number: JP3570383U
Authority: JP
Inventors: 安藤　治之
Original assignee: 株式会社東芝
Priority date: 1983-03-11
Filing date: 1983-03-11
Publication date: 1984-09-21

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]

−図面は本考案の一実施例を示し、第１図は全体の縦断
面図、第２図はプリント基板の平面図、第３図はロータ
の底面図、第４図は検出コイルの部分拡大平面図である
。図中、４は電機子コイル、７はロータ、１０は界磁磁石
（界磁磁極）、１１は周波数発電用磁石（磁束発生部）
、１２は検出コイル、１３は出力線、１３ａは往路線部
、１３ｂは復路線部、１５はキャンセル線、１５ａは往
路線部、１５ｂは復路線部、Ａは界磁磁極の磁束鎖交領
域である。- The drawings show one embodiment of the present invention, with Fig. 1 being a longitudinal sectional view of the whole, Fig. 2 being a plan view of the printed circuit board, Fig. 3 being a bottom view of the rotor, and Fig. 4 being a partially enlarged view of the detection coil. FIG. In the figure, 4 is an armature coil, 7 is a rotor, 10 is a field magnet (field magnetic pole), and 11 is a frequency power generation magnet (magnetic flux generation part).
, 12 is a detection coil, 13 is an output line, 13a is an outgoing line part, 13b is a return line part, 15 is a cancellation line, 15a is an outgoing line part, 15b is a return line part, A is a magnetic flux linkage area of the field magnetic pole. It is.

Claims

[Claims for Utility Model Registration] 1. A magnetic flux generating section for frequency power generation is provided on the rotor, located inside the field magnetic poles, and a magnetic flux number from the magnetic flux generating section is provided on the stator side according to the rotational speed of the rotor. In a device equipped with a detection coil that generates an electromotive force of a frequency, 2n is connected to an output line drawn outward from the detection coil.
-1)X360°/P (n is a natural number, P is the number of field magnetic poles)
A motor with a built-in frequency generator, characterized in that a part of the detection coil is extended outward at a position of ' or approximately (2n-1)X360°/P to form a cancellation line. 2. The frequency generator according to claim 1 of the utility model registration claim, characterized in that the width dimension between the outgoing path and the incoming path of the cancellation line is the same as that of the output line and is within the pole pitch of the field magnetic poles. Built-in motor.