JPS60145339U - Torque detection device - Google Patents
Torque detection deviceInfo
- Publication number
- JPS60145339U JPS60145339U JP3425084U JP3425084U JPS60145339U JP S60145339 U JPS60145339 U JP S60145339U JP 3425084 U JP3425084 U JP 3425084U JP 3425084 U JP3425084 U JP 3425084U JP S60145339 U JPS60145339 U JP S60145339U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- magnetic field
- torque detection
- passive shaft
- surround
- 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
Landscapes
- Measuring Magnetic Variables (AREA)
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
第１図及び第２図は従来のトルク検出装置を示す構成図
、第３図はこの考案の一実施例を示す構成図、第４図は
この考案の動作を説明するｈめの ゛トルクと出力電圧
比の関係を示す図、第５図は同しくこの考案の動作を説
明するためのＢ−Ｈ曲線図、第６図はこの考案の他の実
施例を示す構成図である。
図において、１は受動軸、２は磁歪材、５はコイルボビ
ン、６は励磁コイル、７は高周波電源、 ５８
は検出コイル、１０はコイルボビン、１１は直流コイル
、１２は直流電源、１３は永久磁石である。なお、各図
中、同一符号は同一または相当部分を示すものとする。
、 ｌθ−） １
−１１６
自ｒ、１
Ｍ □1 and 2 are block diagrams showing a conventional torque detection device, FIG. 3 is a block diagram showing an embodiment of this device, and FIG. 4 is a block diagram showing the operation of this device. FIG. 5 is a diagram showing the relationship between output voltage ratios, FIG. 5 is a B-H curve diagram for explaining the operation of this invention, and FIG. 6 is a configuration diagram showing another embodiment of this invention. In the figure, 1 is a passive shaft, 2 is a magnetostrictive material, 5 is a coil bobbin, 6 is an excitation coil, 7 is a high frequency power supply, 58
10 is a detection coil, 10 is a coil bobbin, 11 is a DC coil, 12 is a DC power supply, and 13 is a permanent magnet. In each figure, the same reference numerals indicate the same or corresponding parts. , lθ-) 1 -116 self r, 1 M □
Claims (1)
″ この受動軸と所定の間隙をおいてこれを包囲
するように設けられた、高周波電源により附勢される励
磁コイルと、上記磁歪材を経由するこの励磁コイルによ
る磁界に応動する検出コイル、及び上記磁歪材に受動軸
軸方向の直流磁界を発生させるための直流磁界発生素子
を備えたことを特徴とするトルク検出装置。 （２）直流磁界発生素子が、受動軸と所定の間隙を′−
おいてこれを包囲するように設けられた直流電源により
附勢される直流コイルからなることを特徴とす木実用新
案登録請求の範囲第１項記載のトルク検出装置。
゛ −（３） 直流電源を可変電源と
したことを特徴とする実用新案登録請求の範囲第２項記
載のトルク検−出装置。 （４）直流磁界発生素子が、受動軸と所定の間隙をおい
てこれを包囲するように設けられた永久磁石からなるこ
とを特徴とする実用新案登録請求の範囲第１項記載のト
ルク検出装置。 （５）永久磁石が、少なくとも２分割されていることを
特徴とする実用新案登録請求の範囲第４項記載のトルク
検出装置。[Scope of Claim for Utility Model Registration] (1゛) At least a passive shaft whose shaft surface is made of magnetostrictive material;
an excitation coil energized by a high-frequency power source, which is provided so as to surround the passive shaft with a predetermined gap therebetween, and a detection coil which responds to the magnetic field generated by the excitation coil via the magnetostrictive material; A torque detection device characterized in that the magnetostrictive material is equipped with a DC magnetic field generating element for generating a DC magnetic field in the axial direction of the passive shaft. (2) The DC magnetic field generating element maintains a predetermined gap with the passive shaft.
2. The torque detecting device according to claim 1, comprising a direct current coil energized by a direct current power supply provided so as to surround the torque detecting device.
(3) The torque detection device according to claim 2 of the utility model registration claim, characterized in that a DC power source is used as a variable power source. (4) The torque detection device according to claim 1 of the utility model registration claim, wherein the DC magnetic field generating element is comprised of a permanent magnet provided to surround the passive shaft with a predetermined gap therebetween. . (5) The torque detection device according to claim 4, wherein the permanent magnet is divided into at least two parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3425084U JPS60145339U (en) | 1984-03-07 | 1984-03-07 | Torque detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3425084U JPS60145339U (en) | 1984-03-07 | 1984-03-07 | Torque detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60145339U true JPS60145339U (en) | 1985-09-26 |
Family
ID=30537444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3425084U Pending JPS60145339U (en) | 1984-03-07 | 1984-03-07 | Torque detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60145339U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009002835A (en) * | 2007-06-22 | 2009-01-08 | Honda Motor Co Ltd | Magnetostriction torque sensor and electric power steering system |
| JP2014219217A (en) * | 2013-05-01 | 2014-11-20 | 本田技研工業株式会社 | Magnetostrictive torque sensor and electrically-driven power steering device |
| JP2018536854A (en) * | 2015-11-03 | 2018-12-13 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | Apparatus and method for non-contact detection of torque, torsional natural vibration and / or torsional vibration |
-
1984
- 1984-03-07 JP JP3425084U patent/JPS60145339U/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009002835A (en) * | 2007-06-22 | 2009-01-08 | Honda Motor Co Ltd | Magnetostriction torque sensor and electric power steering system |
| JP2014219217A (en) * | 2013-05-01 | 2014-11-20 | 本田技研工業株式会社 | Magnetostrictive torque sensor and electrically-driven power steering device |
| JP2018536854A (en) * | 2015-11-03 | 2018-12-13 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | Apparatus and method for non-contact detection of torque, torsional natural vibration and / or torsional vibration |
| US10845257B2 (en) | 2015-11-03 | 2020-11-24 | Basf Se | Device and method for sensing torques, torsional natural frequencies, and/or torsional oscillations without contact |
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