JPS61190838U - - Google Patents
Info
- Publication number
- JPS61190838U JPS61190838U JP7615185U JP7615185U JPS61190838U JP S61190838 U JPS61190838 U JP S61190838U JP 7615185 U JP7615185 U JP 7615185U JP 7615185 U JP7615185 U JP 7615185U JP S61190838 U JPS61190838 U JP S61190838U
- Authority
- JP
- Japan
- Prior art keywords
- magnetostrictive
- shaft
- magnetostrictive film
- torque
- torque sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Power Steering Mechanism (AREA)
Description
第１図は磁歪式トルクセンサの構造例を示す断
面説明図、第２図は第１図の磁歪式トルクセンサ
に用いた磁歪膜の展開説明図、第３図は第１図の
磁歪式トルクセンサの検出回路の一例を示す説明
図、第４図ａ，ｂは第１図の磁歪式トルクセンサ
の各々励磁コイル５，６においてインダクタンス
Ｌ１，Ｌ２のトルク付加に伴なう変化に起因して
生ずる電位Ｖ１，Ｖ２の変化を示す説明図、第５
図は同じくトルク付加に伴なう電位差Ｖ（＝ｌＶ
１―Ｖ２ｌ）の変化を示す説明図、第６図は磁歪
式トルクセンサの感度補正を行う場合の検出回路
の一例を示す説明図、第７図および第８図はそれ
ぞれこの考案および従来の磁歪式トルクセンサに
よる測定データの一例を各々示す説明図である。
１……磁歪式トルクセンサ、２……軸、３……
スリツト、４……磁歪膜、５，６……励磁コイル
、７……間隙、８……ヨーク。
Fig. 1 is a cross-sectional explanatory diagram showing a structural example of a magnetostrictive torque sensor, Fig. 2 is a developed explanatory diagram of a magnetostrictive film used in the magnetostrictive torque sensor of Fig. 1, and Fig. 3 is an explanatory diagram of the magnetostrictive torque sensor of Fig. 1. FIGS. 4a and 4b, an explanatory diagram showing an example of a sensor detection circuit, are caused by changes in the inductances L 1 and L 2 in the excitation coils 5 and 6 of the magnetostrictive torque sensor shown in FIG. 1 due to the addition of torque. 5th explanatory diagram showing changes in potentials V 1 and V 2 caused by
The figure also shows the potential difference V (=lV
1 - V 2 l), FIG. 6 is an explanatory diagram showing an example of a detection circuit when correcting the sensitivity of a magnetostrictive torque sensor, and FIGS. FIG. 2 is an explanatory diagram showing an example of measurement data by a magnetostrictive torque sensor. 1... Magnetostrictive torque sensor, 2... Axis, 3...
Slit, 4... Magnetostrictive film, 5, 6... Excitation coil, 7... Gap, 8... Yoke.
Claims (1)
けると共に、前記磁歪膜の近傍に複数のコイルを
配設して、前記コイルの発生した磁束が前記磁歪
膜を通る磁気回路を形成し、前記軸に加えられる
ねじりトルクによる前記磁歪膜の変形に起因する
磁気ひずみを利用して前記トルクを検出する磁歪
式トルクセンサにおいて、前記軸に対してあらか
じめ所定の方向に所定のねじりトルクを加えた状
態で前記磁歪膜を前記軸の表面に固着してなるこ
とを特徴とする磁歪式トルクセンサ。 A magnetostrictive film having a magnetostrictive effect is provided on the surface of the shaft, and a plurality of coils are arranged near the magnetostrictive film, so that the magnetic flux generated by the coils forms a magnetic circuit passing through the magnetostrictive film, and the shaft In a magnetostrictive torque sensor that detects the torque by using magnetostriction caused by deformation of the magnetostrictive film due to a torsional torque applied to the shaft, a predetermined torsional torque is applied to the shaft in a predetermined direction. A magnetostrictive torque sensor, characterized in that the magnetostrictive film is fixed to the surface of the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7615185U JPS61190838U (en) | 1985-05-21 | 1985-05-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7615185U JPS61190838U (en) | 1985-05-21 | 1985-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61190838U true JPS61190838U (en) | 1986-11-27 |
Family
ID=30618029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7615185U Pending JPS61190838U (en) | 1985-05-21 | 1985-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61190838U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6432135A (en) * | 1987-07-29 | 1989-02-02 | Nissan Motor | Magnetostrictive stress measuring instrument |
| JPS6442562A (en) * | 1987-08-07 | 1989-02-14 | Tokin Corp | Composite magnetic wire and production thereof |
| JP2002540392A (en) * | 1999-03-23 | 2002-11-26 | ファースト テクノロジー ゲーエムベーハー | Magnetizing torque transducer element |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5961732A (en) * | 1983-06-06 | 1984-04-09 | Toshiba Corp | Manufacture of torque sensor |
| JPS5977326A (en) * | 1982-10-27 | 1984-05-02 | Nissan Motor Co Ltd | Magneto-striction type torque sensor |
-
1985
- 1985-05-21 JP JP7615185U patent/JPS61190838U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5977326A (en) * | 1982-10-27 | 1984-05-02 | Nissan Motor Co Ltd | Magneto-striction type torque sensor |
| JPS5961732A (en) * | 1983-06-06 | 1984-04-09 | Toshiba Corp | Manufacture of torque sensor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6432135A (en) * | 1987-07-29 | 1989-02-02 | Nissan Motor | Magnetostrictive stress measuring instrument |
| JPS6442562A (en) * | 1987-08-07 | 1989-02-14 | Tokin Corp | Composite magnetic wire and production thereof |
| JP2002540392A (en) * | 1999-03-23 | 2002-11-26 | ファースト テクノロジー ゲーエムベーハー | Magnetizing torque transducer element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6125773U (en) | Fishing reel spool rotation detection device | |
| JPS61190838U (en) | ||
| JPH0641889B2 (en) | Torque detector | |
| JPS63156075U (en) | ||
| JPS6262943U (en) | ||
| JPS6262942U (en) | ||
| JPH0241138U (en) | ||
| JPS62178339U (en) | ||
| JPH01126540U (en) | ||
| JPH0522858B2 (en) | ||
| JPH0447639U (en) | ||
| JPS59117931U (en) | Torque detection device | |
| JPS611146U (en) | torque measuring device | |
| JPS6438518U (en) | ||
| JPS6229754U (en) | ||
| JPH0281434U (en) | ||
| JPS60118730U (en) | Torsional vibration measuring device | |
| JPH0269710U (en) | ||
| JPS59195509U (en) | Thin orientation sensor head | |
| JPS60135641U (en) | torque sensor | |
| JPS60195430A (en) | Torque detecting device | |
| JPS60183956U (en) | Rotating magnetic sheet device | |
| JPS625267U (en) | ||
| JPS60135640U (en) | torque sensor | |
| JPS60108190U (en) | rotation detection device |