JP2000055610A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2000055610A5 JP2000055610A5 JP1998224851A JP22485198A JP2000055610A5 JP 2000055610 A5 JP2000055610 A5 JP 2000055610A5 JP 1998224851 A JP1998224851 A JP 1998224851A JP 22485198 A JP22485198 A JP 22485198A JP 2000055610 A5 JP2000055610 A5 JP 2000055610A5
- Authority
- JP
- Japan
- Prior art keywords
- output
- rotation amount
- input
- relative rotation
- shaft
- 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
- 238000004804 winding Methods 0.000 description 24
- 230000001808 coupling Effects 0.000 description 22
- 238000010168 coupling process Methods 0.000 description 22
- 238000005859 coupling reaction Methods 0.000 description 22
- 238000001514 detection method Methods 0.000 description 6
- 230000005284 excitation Effects 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 トーションバーで結合された入力軸と出力軸との間の相対回転量に基づいて前記トーションバーのねじれ量を検出するねじれ量検出装置において、
前記入力軸に連動して回転し、この回転によって所定の固定位置との間で磁気結合の度合いが変化するように形成された磁気応答部材を有する入力側磁気結合部と、
前記出力軸に連動して回転し、この回転によって所定の固定位置との間で磁気結合の度合いが変化するように形成された磁気応答部材を有する出力側磁気結合部と、
交流信号による励磁に応じて前記入力側磁気結合部との相対的な位置関係に応じた誘導出力交流信号を出力するように配置された入力側巻線部と、
交流信号による励磁に応じて前記出力側磁気結合部との相対的な位置関係に応じた誘導出力交流信号を出力するように配置された出力側巻線部と、
前記入力側及び出力側巻線部からの出力に基づいて前記相対回転量を検出する回転量検出手段と
を備えたことを特徴とするねじれ検出装置。
【請求項２】 前記入力側磁気結合部及び前記出力側磁気結合部の磁気応答部材は回転軸方向に沿って螺旋状に設けられた凸状帯部材からなり、前記入力側巻線部及び前記出力側巻線部は前記トーションバーの回転軸の方向に沿って直線的に配置されていることを特徴とする請求項１に記載のねじれ検出装置。
【請求項３】 前記入力側磁気結合部及び前記出力側磁気結合部の磁気応答部材は回転方向に設けられた歯形状部材からなり、前記入力側巻線部及び前記出力側巻線部は前記トーションバーの回転方向に沿って配置されていることを特徴とする請求項１に記載のねじれ検出装置。
【請求項４】 前記回転量検出手段は、
前記入力側巻線部からの出力に基づいて入力軸の回転位置を検出する入力軸回転位置検出手段と、
前記出力側巻線部からの出力に基づいて出力軸の回転位置を検出する出力軸回転位置検出手段と、
前記入力軸回転位置検出手段と前記出力軸回転位置検出手段との出力に基づいて前記入力軸と前記出力軸との間の相対回転量を演算する第１の相対回転量演算手段と、
前記入力軸と前記出力軸との間の相対回転量がゼロの場合における前記第１の相対回転量演算手段から出力される演算値を初期回転量として記憶する記憶手段と、
前記第１の相対回転量演算手段から出力される演算値から前記記憶手段に記憶されている前記初期回転量を減算したものを前記入力軸と前記出力軸との間の実際の相対回転量として出力する第２の相対回転量演算手段と
から構成されることを特徴とする請求項１に記載のねじれ検出装置。
【請求項５】 トーションバーで結合された入力軸と出力軸との間の相対回転量に基づいて前記トーションバーのねじれ量を検出するねじれ量検出装置において、
入力軸の回転位置を検出する入力軸回転位置検出手段と、
出力軸の回転位置を検出する出力軸回転位置検出手段と、
前記入力軸回転位置検出手段と前記出力軸回転位置検出手段との出力に基づいて前記入力軸と前記出力軸との間の相対回転量を演算する第１の相対回転量演算手段と、
前記入力軸と前記出力軸との間の相対回転量がゼロの場合における前記第１の相対回転量演算手段から出力される演算値を初期回転量として記憶する記憶手段と、
前記第１の相対回転量演算手段から出力される演算値から前記記憶手段に記憶されている前記初期回転量を減算したものを前記入力軸と前記出力軸との間の実際の相対回転量として出力する第２の相対回転量演算手段と
から構成されることを特徴とするねじれ検出装置。
[Claims]
1. A twist amount detecting device that detects a twist amount of the torsion bar based on a relative rotation amount between an input shaft and an output shaft coupled by a torsion bar.hand,
An input-side magnetic coupling portion having a magnetic response member that rotates in conjunction with the input shaft and is formed so that the degree of magnetic coupling changes with respect to a predetermined fixed position by this rotation.
An output-side magnetic coupling portion having a magnetic response member that rotates in conjunction with the output shaft and is formed so that the degree of magnetic coupling changes with respect to a predetermined fixed position by this rotation.
By AC signalAn input arranged so as to output an induced output AC signal according to the relative positional relationship with the input side magnetic coupling portion in response to excitation.Side windingLine part and
By AC signalAn output arranged so as to output an induced output AC signal according to the relative positional relationship with the output side magnetic coupling portion in response to excitation.Side windingLine part and
Input side and outputSide windingWith a rotation amount detecting means that detects the relative rotation amount based on the output from the wire portion.
A twist detection device characterized by being equipped with.
2. The magnetic response member of the input side magnetic coupling portion and the output side magnetic coupling portion comprises a convex band member spirally provided along the rotation axis direction, and the input.Side windingLine part and the outputSide windingThe twist detection device according to claim 1, wherein the wire portion is linearly arranged along the direction of the rotation axis of the torsion bar.
3. The magnetic response member of the input side magnetic coupling portion and the output side magnetic coupling portion comprises a tooth-shaped member provided in the rotation direction, and the inputSide windingLine part and the outputSide windingThe twist detection device according to claim 1, wherein the wire portion is arranged along the rotation direction of the torsion bar.
4. The rotation amount detecting means is
The inputSide windingAn input shaft rotation position detecting means that detects the rotation position of the input shaft based on the output from the wire portion, and
The outputSide windingAn output shaft rotation position detecting means that detects the rotation position of the output shaft based on the output from the wire portion, and
A first relative rotation amount calculating means for calculating the relative rotation amount between the input shaft and the output shaft based on the output of the input shaft rotation position detecting means and the output shaft rotating position detecting means, and
A storage means for storing the calculated value output from the first relative rotation amount calculation means as an initial rotation amount when the relative rotation amount between the input shaft and the output shaft is zero, and a storage means.
The value obtained by subtracting the initial rotation amount stored in the storage means from the calculated value output from the first relative rotation amount calculation means is used as the actual relative rotation amount between the input shaft and the output shaft. With the second relative rotation amount calculation means to output
The twist detection device according to claim 1, further comprising:
5. In a twist amount detecting device that detects the twist amount of the torsion bar based on the relative rotation amount between the input shaft and the output shaft connected by the torsion bar.
Input shaft rotation position detecting means for detecting the rotation position of the input shaft,
Output shaft rotation position detecting means for detecting the rotation position of the output shaft,
A first relative rotation amount calculating means for calculating the relative rotation amount between the input shaft and the output shaft based on the output of the input shaft rotation position detecting means and the output shaft rotating position detecting means, and
A storage means for storing the calculated value output from the first relative rotation amount calculation means as an initial rotation amount when the relative rotation amount between the input shaft and the output shaft is zero, and a storage means.
The value obtained by subtracting the initial rotation amount stored in the storage means from the calculated value output from the first relative rotation amount calculation means is used as the actual relative rotation amount between the input shaft and the output shaft. With the second relative rotation amount calculation means to output
Characterized by being composed ofTwist detector.
【０００６】
【課題を解決するための手段】 本発明に係るねじれ検出装置は、トーションバーで結合された入力軸と出力軸との間の相対回転量に基づいて前記トーションバーのねじれ量を検出するねじれ量検出装置において、前記入力軸に連動して回転し、この回転によって所定の固定位置との間で磁気結合の度合いが変化するように形成された磁気応答部材を有する入力側磁気結合部と、前記出力軸に連動して回転し、この回転によって所定の固定位置との間で磁気結合の度合いが変化するように形成された磁気応答部材を有する出力側磁気結合部と、交流信号による励磁に応じて前記入力側磁気結合部との相対的な位置関係に応じた誘導出力交流信号を出力するように配置された入力側巻線部と、交流信号による励磁に応じて前記出力側磁気結合部との相対的な位置関係に応じた誘導出力交流信号を出力するように配置された出力側巻線部と、前記入力側及び出力側巻線部からの出力に基づいて前記相対回転量を検出する回転量検出手段とを備えたことを特徴とする。
0006
[Means for solving problems] BookThe twist detection device according to the present invention is a twist amount detecting device that detects the twist amount of the torsion bar based on the relative rotation amount between the input shaft and the output shaft connected by the torsion bar.hand,An input-side magnetic coupling portion having a magnetic response member formed so as to rotate in conjunction with the input shaft and change the degree of magnetic coupling with a predetermined fixed position by this rotation, and interlocking with the output shaft. And a magnetic coupling portion on the output side having a magnetic response member formed so that the degree of magnetic coupling changes with respect to a predetermined fixed position by this rotation.By AC signalAn input arranged so as to output an induced output AC signal according to the relative positional relationship with the input side magnetic coupling portion in response to excitation.Side windingLine part andBy AC signalAn output arranged so as to output an induced output AC signal according to the relative positional relationship with the output side magnetic coupling portion in response to excitation.Side windingLine part, input side and outputSide windingA rotation amount detecting means for detecting the relative rotation amount based on the output from the wire portion is provided.Characterized by..
上記構成によれば、交流信号による励磁に応じて前記入力側磁気結合部との相対的な位置関係に応じた誘導出力交流信号を出力するように配置された入力側巻線部と、交流信号による励磁に応じて前記出力側磁気結合部との相対的な位置関係に応じた誘導出力交流信号を出力するように配置された出力側巻線部とを具備し、前記入力側及び出力側巻線部からの出力に基づいて相対回転量を検出する構成であるため、簡単な構成で両軸の相対回転量を検出することができる。 According to the above configuration, an input side winding portion arranged so as to output an induced output AC signal according to the relative positional relationship with the input side magnetic coupling portion in response to excitation by an AC signal, and an AC signal. It is provided with an output side winding portion arranged so as to output an induced output AC signal according to the relative positional relationship with the output side magnetic coupling portion in response to excitation by the above, and the input side and the output side winding portion. Since the configuration is such that the relative rotation amount is detected based on the output from the wire portion, the relative rotation amount of both axes can be detected with a simple configuration.
請求項２に記載された本発明に係るねじれ検出装置は、前記請求項１に記載のねじれ検出装置の一実施態様として、前記入力側磁気結合部及び前記出力側磁気結合部の磁気応答部材は回転軸方向に沿って螺旋状に設けられた凸状帯部材からなり、前記入力側巻線部及び前記出力側巻線部は前記トーションバーの回転軸の方向に沿って直線的に配置されているものである。上述の構成によれば、磁気応答部材が回転軸方向に沿って螺旋状に設けられているので、入力軸及び出力軸の回転に応じて、磁気応答部材は回転軸方向に直線移動しているのと等価の運動をする。従って、磁気応答部材の直線移動を検出するために、入力側及び出力側巻線部を同じく回転軸方向に沿って直線的に配置した。これによって、巻線の配置がシンプルになり簡単に製造することができるようになる。 Twist detecting device according to the present invention described in請Motomeko 2, wherein the one embodiment of the twist detecting device according to claim 1, wherein the input-side magnetic coupling section and the magnetism-responsive member of the output side magnetic coupling section Consists of a convex band member spirally provided along the rotation axis direction, and the input side winding portion and the output side winding portion are linearly arranged along the direction of the rotation axis of the torsion bar. Is what you are doing. According to the above configuration, since the magnetic response member is spirally provided along the rotation axis direction, the magnetic response member linearly moves in the rotation axis direction according to the rotation of the input shaft and the output shaft. Make an exercise equivalent to that of. Therefore, in order to detect the linear movement of the magnetic response member, the input side and output side winding portions are also arranged linearly along the rotation axis direction. This simplifies the winding arrangement and makes it easier to manufacture.
請求項３に記載された本発明に係るねじれ検出装置は、前記請求項１に記載のねじれ検出装置の一実施態様として、前記入力側磁気結合部及び前記出力側磁気結合部の磁気応答部材は回転方向に設けられた歯形状部材からなり、前記入力側巻線部及び前記出力側巻線部は前記トーションバーの回転方向に沿って配置されているものである。上述の構成によれば、磁気応答部材は単純な歯形形状で形成でき、その周囲に入力側及び出力側巻線部を設けるだけでよく簡単に製造できる。 Twist detecting device according to the present invention described in請Motomeko 3, said as one embodiment of the twist detecting device according to claim 1, wherein the input-side magnetic coupling section and the magnetism-responsive member of the output side magnetic coupling section Is composed of a tooth-shaped member provided in the rotation direction, and the input side winding portion and the output side winding portion are arranged along the rotation direction of the torsion bar. According to the above configuration, the magnetic response member can be formed in a simple tooth profile, and can be easily manufactured by simply providing the input side and output side winding portions around the magnetic response member.
請求項４に記載された本発明に係るねじれ検出装置は、前記請求項１に記載のねじれ検出装置の一実施態様として、前記回転量検出手段が、前記入力側巻線部からの出力に基づいて入力軸の回転位置を検出する入力軸回転位置検出手段と、前記出力側巻線部からの出力に基づいて出力軸の回転位置を検出する出力軸回転位置検出手段と、前記入力軸回転位置検出手段と前記出力軸回転位置検出手段との出力に基づいて前記入力軸と前記出力軸との間の相対回転量を演算する第１の相対回転量演算手段と、前記入力軸と前記出力軸との間の相対回転量がゼロの場合における前記第１の相対回転量演算手段から出力される演算値を初期回転量として記憶する記憶手段と、前記第１の相対回転量演算手段から出力される演算値から前記記憶手段に記憶されている前記初期回転量を減算したものを前記入力軸と前記出力軸との間の実際の相対回転量として出力する第２の相対回転量演算手段とから構成したものである。上述の構成によれば、入力軸の回転位置を検出する手段と、出力軸の回転位置を検出する手段との間で予め原点合わせを行わなくても、トーションバーがねじれていない状態における初期回転量を予め記憶しているので、それに基づいてねじれた場合における両軸の相対回転量を検出することができる。 Twist detecting device according to the present invention described in請Motomeko 4, as an embodiment of the twisting detecting device according to claim 1, wherein the rotation amount detecting means, an output from the input-side winding part An input shaft rotation position detecting means for detecting the rotation position of the input shaft based on the above, an output shaft rotation position detecting means for detecting the rotation position of the output shaft based on the output from the output side winding portion, and the input shaft rotation. A first relative rotation amount calculation means for calculating the relative rotation amount between the input shaft and the output shaft based on the output of the position detecting means and the output shaft rotation position detecting means, and the input shaft and the output. A storage means that stores the calculated value output from the first relative rotation amount calculation means when the relative rotation amount between the shaft and the shaft is zero as an initial rotation amount, and an output from the first relative rotation amount calculation means. A second relative rotation amount calculation means that outputs a value obtained by subtracting the initial rotation amount stored in the storage means from the calculated value as an actual relative rotation amount between the input shaft and the output shaft. It is composed of. According to the above configuration, the initial rotation in a state where the torsion bar is not twisted without prior alignment of the origin between the means for detecting the rotation position of the input shaft and the means for detecting the rotation position of the output shaft. Since the amount is stored in advance, it is possible to detect the relative rotation amount of both axes when twisted based on the amount.
請求項５に記載された本発明に係るねじれ検出装置は、トーションバーで結合された入力軸と出力軸との間の相対回転量に基づいて前記トーションバーのねじれ量を検出するねじれ量検出装置において、入力軸の回転位置を検出する入力軸回転位置検出手段と、出力軸の回転位置を検出する出力軸回転位置検出手段と、前記入力軸回転位置検出手段と前記出力軸回転位置検出手段との出力に基づいて前記入力軸と前記出力軸との間の相対回転量を演算する第１の相対回転量演算手段と、前記入力軸と前記出力軸との間の相対回転量がゼロの場合における前記第１の相対回転量演算手段から出力される演算値を初期回転量として記憶する記憶手段と、前記第１の相対回転量演算手段から出力される演算値から前記記憶手段に記憶されている前記初期回転量を減算したものを前記入力軸と前記出力軸との間の実際の相対回転量として出力する第２の相対回転量演算手段とから構成されることを特徴とする。この構成によれば、入力軸回転位置検出手段と、出力軸回転位置検出手段との間で予め原点合わせを行わなくても、トーションバーがねじれていない状態における初期回転量を予め記憶しているので、それに基づいてねじれた場合における両軸の相対回転量を検出することができ、両軸の検出手段間での原点合わせの手間が不要となる。 請Motomeko twist detecting device according to the present invention described in 5, the twist amount detection for detecting the torsion amount of the torsion bar based on the amount of relative rotation between the input shaft coupled with a torsion bar and the output shaft In the apparatus, an input shaft rotation position detecting means for detecting the rotation position of the input shaft, an output shaft rotation position detecting means for detecting the rotation position of the output shaft, the input shaft rotation position detecting means, and the output shaft rotating position detecting means. The first relative rotation amount calculation means for calculating the relative rotation amount between the input shaft and the output shaft based on the output of, and the relative rotation amount between the input shaft and the output shaft is zero. A storage means for storing the calculated value output from the first relative rotation amount calculation means in the case as an initial rotation amount, and a storage means for storing the calculated value output from the first relative rotation amount calculation means in the storage means. It is characterized in that it is composed of a second relative rotation amount calculation means that outputs a value obtained by subtracting the initial rotation amount as an actual relative rotation amount between the input shaft and the output shaft. According to this configuration, the initial rotation amount in the state where the torsion bar is not twisted is stored in advance even if the origin alignment is not performed in advance between the input shaft rotation position detecting means and the output shaft rotation position detecting means. Therefore, it is possible to detect the relative rotation amount of both shafts when twisted based on it, and it is not necessary to adjust the origin between the detecting means of both shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10224851A JP2000055610A (en) | 1998-08-07 | 1998-08-07 | Torsional amount detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10224851A JP2000055610A (en) | 1998-08-07 | 1998-08-07 | Torsional amount detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000055610A JP2000055610A (en) | 2000-02-25 |
| JP2000055610A5 true JP2000055610A5 (en) | 2005-10-27 |
Family
ID=16820165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10224851A Pending JP2000055610A (en) | 1998-08-07 | 1998-08-07 | Torsional amount detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000055610A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4612143B2 (en) * | 1999-03-15 | 2011-01-12 | 株式会社アミテック | Relative rotational position detector |
| US7331247B2 (en) | 2003-08-28 | 2008-02-19 | Amiteq Co., Ltd. | Relative rotational position detection apparatus having magnetic coupling boundary sections that form varying magnetic couplings |
| EP1821089B1 (en) | 2004-11-19 | 2018-10-03 | Amiteq Co., Ltd. | Relative rotational position detector |
| JP5994063B2 (en) * | 2012-04-05 | 2016-09-21 | 多摩川精機株式会社 | Segment type resolver |
| FR3052250B1 (en) * | 2016-06-06 | 2020-05-01 | Continental Automotive France | DEVICE FOR MEASURING THE ANGULAR POSITION OF A SHAFT OR THE LIKE |
-
1998
- 1998-08-07 JP JP10224851A patent/JP2000055610A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7191669B2 (en) | Highly reliable torque sensor | |
| EP1000849B1 (en) | Bicycle equipped with drive assist | |
| CN107807052A (en) | A kind of hoist engine wirerope detection means | |
| JP2000055610A5 (en) | ||
| JPS60140134A (en) | Noncontact type measuring device for torque or angle of torsion | |
| CN103085874B (en) | Torque master and driven steering device | |
| JPH10104095A (en) | Torque measuring device | |
| JPH09189624A (en) | Torque sensor | |
| JP3618506B2 (en) | Angle measuring instrument | |
| JP2829847B2 (en) | Torque detector | |
| JP2024001958A (en) | Torque sensor having rotary type differential transformer having built-in spring body | |
| JPH0623952Y2 (en) | Control cable with sensor | |
| JP4729193B2 (en) | Torque sensor | |
| JP4656995B2 (en) | Rotating body device | |
| WO2004067215A3 (en) | Device for measuring the angular deformation of an aircraft torque shaft | |
| CN206142554U (en) | Tape winding is around mechanism | |
| JP3139097B2 (en) | Extensometer | |
| JPH026255Y2 (en) | ||
| JPH10170357A (en) | Torque measuring instrument | |
| JP2000055610A (en) | Torsional amount detector | |
| KR20050100201A (en) | Detection apparatus for steering angle | |
| JPS5852538A (en) | Torque detector | |
| JP2018115982A (en) | Redundant strain sensor | |
| JPS62162934A (en) | Detecting device for rotary torque | |
| JP2566617B2 (en) | Axis rotation speed detection device |