JPH0348717U - - Google Patents
Info
- Publication number
- JPH0348717U JPH0348717U JP11059889U JP11059889U JPH0348717U JP H0348717 U JPH0348717 U JP H0348717U JP 11059889 U JP11059889 U JP 11059889U JP 11059889 U JP11059889 U JP 11059889U JP H0348717 U JPH0348717 U JP H0348717U
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- magnetic field
- magnetic sensor
- detection device
- angle detection
- 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
- 238000001514 detection method Methods 0.000 claims 3
- 239000011295 pitch Substances 0.000 claims 2
- 230000005855 radiation Effects 0.000 claims 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第1図は本考案の実施例を示すエンジンの縦断
面図、第2図は同図A−A線に沿う横断面図、第
3図は磁気スケールの正面図、第4図はセンサの
側面図、第5図は磁気スケールおよびセンサの斜
視図、第6図はセンサの正面図、第7図は他の実
施例を示す同じくセンサの正面図である。第8図
は従来例を示す斜視図である。
11……エンジン、13……クランク軸、14
……ホイール、17……凸部、17a……回転側
面、17b……側面、18……磁気スケール、1
9……凹部、21……センサ、23……コア、2
3a……先端部、23b……縁部、24……コイ
ル。
Fig. 1 is a longitudinal cross-sectional view of an engine showing an embodiment of the present invention, Fig. 2 is a cross-sectional view taken along the line A-A in the figure, Fig. 3 is a front view of the magnetic scale, and Fig. 4 is a side view of the sensor. 5 is a perspective view of the magnetic scale and the sensor, FIG. 6 is a front view of the sensor, and FIG. 7 is a front view of the same sensor showing another embodiment. FIG. 8 is a perspective view showing a conventional example. 11...Engine, 13...Crankshaft, 14
...Wheel, 17...Protrusion, 17a...Rotating side surface, 17b...Side surface, 18...Magnetic scale, 1
9... recess, 21... sensor, 23... core, 2
3a... tip, 23b... edge, 24... coil.
Claims (1)
で半径方向に突出する凸部を形成し、この凸部と
対峙して磁気センサを備え、ホイールの回転に伴
つて磁界の変化を検出する回転角度検出装置にお
いて、磁界の方向がホイールの回転軸と略平行に
なるように磁気センサを配置するとともに、各凸
部の側面をホイールの回転軸を中心とする放射線
に沿つて形成したことを特徴とする回転角度検出
装置。 (2) 回転運動するホイールの周囲に所定のピツ
チで半径方向に突出する凸部を形成し、この凸部
と対峙して磁気センサを備え、ホイールの回転に
伴つて磁界の変化を検出する回転角度検出装置に
おいて、磁気センサの磁界を発するコアの先端部
を、矩形断面に形成したことを特徴とする回転角
度検出装置。[Claims for Utility Model Registration] 1. Convex portions protruding in the radial direction at predetermined pitches are formed around a rotating wheel, and a magnetic sensor is provided opposite to the convex portions, and a magnetic field is generated as the wheel rotates. In a rotation angle detection device that detects changes in the rotation angle of the wheel, the magnetic sensor is arranged so that the direction of the magnetic field is approximately parallel to the rotation axis of the wheel, and the side surface of each convex part is arranged along a radiation line centered on the rotation axis of the wheel. A rotation angle detection device characterized in that it is formed with a (2) A rotating wheel in which protrusions projecting in the radial direction at a predetermined pitch are formed around a rotating wheel, and a magnetic sensor is provided facing the protrusions to detect changes in the magnetic field as the wheel rotates. What is claimed is: 1. A rotational angle detection device, characterized in that the tip of a core that emits a magnetic field of a magnetic sensor is formed to have a rectangular cross section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11059889U JPH0348717U (en) | 1989-09-21 | 1989-09-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11059889U JPH0348717U (en) | 1989-09-21 | 1989-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0348717U true JPH0348717U (en) | 1991-05-10 |
Family
ID=31659123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11059889U Pending JPH0348717U (en) | 1989-09-21 | 1989-09-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0348717U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190064848A (en) * | 2017-12-01 | 2019-06-11 | 삼보모터스주식회사 | A high sensitive detachable alchol sensor moudule |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52142540A (en) * | 1976-05-21 | 1977-11-28 | Nippon Soken | Displacement detector |
JPS6064213A (en) * | 1983-09-20 | 1985-04-12 | Sigma Gijutsu Kogyo Kk | Magnetic sensor |
JPS6156973A (en) * | 1984-08-28 | 1986-03-22 | Mitsubishi Electric Corp | Speed detector |
JPS646763A (en) * | 1987-06-26 | 1989-01-11 | Koyo Seiko Co | Rotational speed detector |
-
1989
- 1989-09-21 JP JP11059889U patent/JPH0348717U/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52142540A (en) * | 1976-05-21 | 1977-11-28 | Nippon Soken | Displacement detector |
JPS6064213A (en) * | 1983-09-20 | 1985-04-12 | Sigma Gijutsu Kogyo Kk | Magnetic sensor |
JPS6156973A (en) * | 1984-08-28 | 1986-03-22 | Mitsubishi Electric Corp | Speed detector |
JPS646763A (en) * | 1987-06-26 | 1989-01-11 | Koyo Seiko Co | Rotational speed detector |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190064848A (en) * | 2017-12-01 | 2019-06-11 | 삼보모터스주식회사 | A high sensitive detachable alchol sensor moudule |
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