JPS58172381U - signal generator - Google Patents

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

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

第１図はこの考案に係る信号発生装置の一実施例を示す
概略断面側面図、第２図ａおよび第２図すはそれぞれ第
１図のボスと信号用磁石との位置　　　　　゛関係を示
す側面図および第１図のコ・アの詳細な側面図、第３図
ａ〜第３図Ｃはそれぞれ第１図の各部の波形を示す図で
ある。 １・・・・・・フライホイル、１ａ・・・・・・筒状部
、２・・・・・・磁石、３・・・・・・ボス、３ａ・・
・・・・外周部、３ｂ・・・・・・支持部、４・・・・
・・信号用磁石、５・・・・・・信号用コイル、６・・
・・・・コア、７・・・・・・第１コイル、８・・・・
・・第２コイル、９・・・・・・第１磁極、１０・・・
・・・中心棒、１１・・・・・・第２磁極、１２・・・
・・・第１巻線部、１３・・・・・・第２巻線部。なお
、図中、同一符号は同一または相当部分を示す。FIG. 1 is a schematic cross-sectional side view showing an embodiment of the signal generator according to the invention, and FIGS. 2a and 2 are side views showing the positional relationship between the boss and the signal magnet shown in FIG. 1, detailed side views of the core in FIG. 1, and FIGS. 3a to 3C are diagrams showing waveforms of various parts in FIG. 1, respectively. DESCRIPTION OF SYMBOLS 1... Flywheel, 1a... Cylindrical part, 2... Magnet, 3... Boss, 3a...
...Outer peripheral part, 3b...Support part, 4...
... Signal magnet, 5... Signal coil, 6...
...Core, 7...First coil, 8...
...Second coil, 9...First magnetic pole, 10...
...Center rod, 11...Second magnetic pole, 12...
. . . 1st winding portion, 13 . . . 2nd winding portion. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）半径方向に磁化された複数個の磁石を内径に固着
した椀状のフライホイルと、このフライホイルを支持し
、その回転中心部に軸方向に突出して設けられたボスと
、このボスの突出部の外周部に取り付けた信号用磁石と
、第１磁極、中心棒、第２磁極、第１巻線部および第２
巻線部からなり、この第１磁極を前記信号用磁石に対向
して配置したＥ形のコアと、このコアの第１巻線部およ
び第２巻線部にそれぞれ巻回された第１コイルおよび第
２コイルとを備え、漏洩磁束の密度が中心棒で高いとき
には前記第１コイルおよび第２コイルにそれぞれ発生す
る電圧が相殺されるように逆極性に接続し、漏洩磁石の
密度が第１磁極で高いときには前記第１コイル・　およ
び第２コイルにそれぞれ発生する電圧が加算されるよう
に接続することを特徴とする信号発生装置。(1) A bowl-shaped flywheel with a plurality of radially magnetized magnets fixed to its inner diameter, a boss supporting the flywheel and protruding in the axial direction at its center of rotation, and this boss A signal magnet attached to the outer periphery of the protruding part, the first magnetic pole, the center rod, the second magnetic pole, the first winding part and the second
an E-shaped core consisting of a winding part, with the first magnetic pole disposed opposite to the signal magnet, and a first coil wound around the first winding part and the second winding part of this core, respectively. and a second coil, and when the density of the leakage magnetic flux is high at the center rod, the first coil and the second coil are connected with opposite polarity so that the voltages generated respectively are canceled out, and the density of the leakage magnet is higher than the first coil. A signal generating device characterized in that the signal generating device is connected so that when the voltage is high at a magnetic pole, the voltages generated in the first coil and the second coil are added. （２）前記第１コイルおよび第２コイルの巻線数をノイ
ズ電圧に応じて異なった値に設定することを特徴とする
実用新案登録請求の範囲第１項記載の信号発生装置。(2) The signal generating device according to claim 1, wherein the number of turns of the first coil and the second coil are set to different values depending on the noise voltage.