JPS6095512U - optical resolver - 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 drawings]

第１図はレゾルバの動作原理を説明するための原理図、
第２図はレゾルバの固定子巻線を回転子巻線とに表われ
る電圧波形を示した波形図、第３図は従来のレゾルバの
内部構造を示すための一部切欠き断面図、第４図はこの
考案の一実施例を示す光学式レゾルバの構成図、第５図
は第４図に示すレゾルバの一転機構部を示す模型図、第
６図は第４図および第５図により得られる出力電圧を示
す出力波形図、第７図および第８図はこの考案の他の実
施例で用いられるだ円形回転速へい板の回転状態を示す
図、第９図は第７図および第８図によって得られる出力
波形図である。 ４・・・回転軸、５・・・回転遮へい円板、６．・・・
光電変換ユニット、８・・・投受光検出ユニット、５ａ
・・・回転だ同速へい板。Figure 1 is a principle diagram for explaining the operating principle of a resolver.
Fig. 2 is a waveform diagram showing voltage waveforms appearing in the stator winding and rotor winding of the resolver, Fig. 3 is a partially cutaway sectional view showing the internal structure of a conventional resolver, and Fig. 4 The figure is a configuration diagram of an optical resolver showing an embodiment of this invention, Figure 5 is a model diagram showing the single rotation mechanism of the resolver shown in Figure 4, and Figure 6 is obtained from Figures 4 and 5. 7 and 8 are diagrams showing the rotational state of the oval rotating speed plate used in other embodiments of this invention. FIG. 3 is an output waveform diagram obtained by. 4... Rotating shaft, 5... Rotating shielding disk, 6. ...
Photoelectric conversion unit, 8... light emitting/receiving detection unit, 5a
...The board rotates at the same speed.

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）被検出回転体の回転軸に直交してとりつけた回転
遮へい板と、前記遮へい板の回転角度の変位量に応じて
光路の遮へい量が周期的に変化する投受光検出ユニット
とを具備またことを特徴とする光学式レゾルバ。(1) Equipped with a rotating shielding plate attached perpendicular to the rotational axis of the rotating body to be detected, and a light emitting/receiving detection unit in which the amount of shielding of the optical path changes periodically according to the amount of displacement of the rotational angle of the shielding plate. An optical resolver also characterized by: （２）前記回転遮へい板が円板であって、前記回転軸の
とりつけ位置が前記円板の中心から一定距離だけ偏心し
た時である事を特徴とする実用新案登録請求の範囲第１
項記載の光学式レゾルバ(2) Utility model registration claim 1, characterized in that the rotating shield plate is a disc, and the mounting position of the rotating shaft is eccentric by a certain distance from the center of the disc.
Optical resolver described in section （３）前記回転遮へい板がだ円板であって、前記回転軸
のとりつけ位置が前記だ円板の中心である事婆特徴とす
る実用新案登録請求の範囲第１項記載の光学式レゾルバ
。(3) The optical resolver according to claim 1, wherein the rotational shielding plate is an ellipsoid, and the rotation shaft is attached at the center of the ellipsoid. （４）前記遮へい量が前記遮へい板の回転角度の変位量
に応じて、完全透過から安全遮へいまで変化するよう構
成したことを特徴とする実用新案登録請求の範囲第１項
記載の光学式レゾルバ。(4) The optical resolver according to claim 1, wherein the amount of shielding is configured to vary from complete transmission to safe shielding depending on the amount of displacement of the rotation angle of the shielding plate. .