JPS59117931U

JPS59117931U - Torque detection device

Info

Publication number: JPS59117931U
Application number: JP1211983U
Authority: JP
Inventors: 喜多　徹
Original assignee: 日産自動車株式会社
Priority date: 1983-01-31
Filing date: 1983-01-31
Publication date: 1984-08-09

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図は従来のトルク検出装置の検出部の構成を示す正
面図、第２図は第１図における■−■線断面図、第３図
は第１図に示すトルク検出装置の平面図、第４図は同従
来装置における検出出力とトルクの印加方向との関係お
よび誘起電圧の位相とトルクの印加力向との関係を示す
グラフ、第５図は本考案の第１実施例の検出部の構成を
示す図、第６図は第５図のＶＩ−Ｖｌ線断面図、第７図
は同第１実施例における検出出力とトルクの印加力向と
の関係および誘起電圧の位相と印加トルクの方向との関
係を示すグラフ、第８図は本考案の第２実施例のコアの
構造を示す平面図、第９図は第８図における■−■線断
面図である。１・・・・・・被測定軸、６・・・・・・励磁用コア、
５ａ。６ｂ・・・・・・励磁用コアの両脚部、７ａ、　　７ｂ
・・・・・・励磁用コイル、８・・・・・・検出用コア
、８ａ、８ｂ・・・・・・検出用コアの両脚部、９ａ、
　　９ｂ・・・・・・検出用コイル、１０ａ、１０ｂ・
・・・・・励磁用コアの両脚部、１１ａ。１１ｂ・・・・・・検出用コアの両脚部、１２・・・・
・・ベース板。FIG. 1 is a front view showing the configuration of a detection section of a conventional torque detection device, FIG. 2 is a sectional view taken along the line ■-■ in FIG. 1, and FIG. 3 is a plan view of the torque detection device shown in FIG. 1. FIG. 4 is a graph showing the relationship between the detection output and the direction of torque application and the relationship between the phase of the induced voltage and the direction of torque application in the conventional device, and FIG. 5 is the detection section of the first embodiment of the present invention. 6 is a sectional view taken along the VI-Vl line in FIG. 5, and FIG. 7 is a diagram showing the relationship between the detected output and the direction of applied torque in the first embodiment, and the phase of induced voltage and applied torque. FIG. 8 is a plan view showing the structure of the core of the second embodiment of the present invention, and FIG. 9 is a sectional view taken along the line ■-■ in FIG. 8. 1... Axis to be measured, 6... Core for excitation,
5a. 6b...Both legs of excitation core, 7a, 7b
...Excitation coil, 8...Detection core, 8a, 8b...Both legs of detection core, 9a,
9b...Detection coil, 10a, 10b.
...Both legs of the excitation core, 11a. 11b...Both legs of the detection core, 12...
...Base board.

Claims

[Claims for Utility Model Registration] An excitation core around which an excitation coil is wound to alternately magnetize the shaft to be measured in a certain direction; In a magnetostrictive torque detection device comprising a detection core around which a detection coil for detecting a component is wound; when the applied torque is zero, a part of the magnetic flux emitted from the excitation coil A torque detection device characterized in that the physical relationship between both cores is set so as to be bias-linked to a coil for use.