JPH0161615U - - Google Patents
Info
- Publication number
- JPH0161615U JPH0161615U JP15609087U JP15609087U JPH0161615U JP H0161615 U JPH0161615 U JP H0161615U JP 15609087 U JP15609087 U JP 15609087U JP 15609087 U JP15609087 U JP 15609087U JP H0161615 U JPH0161615 U JP H0161615U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- main
- slits
- width
- sub
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の一実施例を示す光学式クラン
ク角センサの全体構成図、第２図は同上実施例に
おけるシグナルプレートを示す平面図、第３図は
従来の光学式クランク角センサの一例を示す平面
図である。
１１……シグナルプレート、１２……発光ダイ
オード、１３……フアイバ・オプテイクス導光路
、１４……フオトダイオード、１６……主スリツ
ト、１７……副スリツト。
Fig. 1 is an overall configuration diagram of an optical crank angle sensor showing an embodiment of the present invention, Fig. 2 is a plan view showing a signal plate in the same embodiment, and Fig. 3 is an example of a conventional optical crank angle sensor. FIG. 11... Signal plate, 12... Light emitting diode, 13... Fiber optics light guide, 14... Photo diode, 16... Main slit, 17... Sub slit.
Claims (1)
ナルプレートの同一円周上の所定位置にそれぞれ
所定巾の主スリツトを複数形成すると共に、該主
スリツトの形成部と異なる同一円周上に前記主ス
リツトと対応させてそれぞれ所定巾の副スリツト
を形成し、前記シグナルプレートの一側から発光
素子の光を照射し、前記シグナルプレートの他側
に設けた受光素子によつて通過光を検知すること
により前記主スリツト及び副スリツトのスリツト
巾を検出するよう構成し、前記受光素子によつて
検出される主スリツトの巾と副スリツトの巾との
組み合わせに基づいてクランク軸の回転角を検出
するよう構成されたことを特徴とする光学式クラ
ンク角センサ。 A plurality of main slits each having a predetermined width are formed at predetermined positions on the same circumference of a signal plate that rotates in conjunction with the crankshaft of an internal combustion engine, and the main slits are formed on the same circumference different from the part where the main slits are formed. By forming sub-slits of a predetermined width in correspondence with each other, emitting light from a light emitting element from one side of the signal plate, and detecting the passing light by a light receiving element provided on the other side of the signal plate. The device is configured to detect the slit widths of the main slit and the sub-slit, and is configured to detect the rotation angle of the crankshaft based on the combination of the width of the main slit and the width of the sub-slit detected by the light receiving element. An optical crank angle sensor characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15609087U JPH0161615U (en) | 1987-10-14 | 1987-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15609087U JPH0161615U (en) | 1987-10-14 | 1987-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0161615U true JPH0161615U (en) | 1989-04-19 |
Family
ID=31434306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15609087U Pending JPH0161615U (en) | 1987-10-14 | 1987-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0161615U (en) |
-
1987
- 1987-10-14 JP JP15609087U patent/JPH0161615U/ja active Pending
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