JPS59174335U - rotation angle sensor - Google Patents
rotation angle sensorInfo
- Publication number
- JPS59174335U JPS59174335U JP6974483U JP6974483U JPS59174335U JP S59174335 U JPS59174335 U JP S59174335U JP 6974483 U JP6974483 U JP 6974483U JP 6974483 U JP6974483 U JP 6974483U JP S59174335 U JPS59174335 U JP S59174335U
- Authority
- JP
- Japan
- Prior art keywords
- angle sensor
- rotation angle
- combustion engine
- internal combustion
- detects
- 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
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Optical Transform (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図は本考案にかかる回転角センサを適用し゛た分配
器の一実施例を示す一部切欠側面図、第２図及び第３図
及び第４図は第１図の回転角センサの要部拡大図、第５
図は第１図に示す発光素子に装着するキャップの斜視図
、第６図は第３図に示す各回転角センサに使用する回転
板の他の実施例を示す斜視図である。
２・・・・・・分配器、３・・・・・・回転軸、４・・
・・・・スペーサ、５、 ６． ５’ 、 ６’・・
・・・・回転板、７・・・・・・ロータシャフト、９・
・・・・・ロータヘッド、１０・・・・・・メタル板、
１１・・・・・・シールド板、１５・・・・・・ケース
、２０・・・・・・発光素子、２１・・・・・・受光素
子、２２・・・・・・キャップ、２３・・・・・・磁気
検出素子。FIG. 1 is a partially cutaway side view showing an embodiment of a distributor to which the rotation angle sensor according to the present invention is applied, and FIGS. 2, 3, and 4 show the main components of the rotation angle sensor shown in FIG. Enlarged view of section, 5th
This figure is a perspective view of a cap attached to the light emitting element shown in FIG. 1, and FIG. 6 is a perspective view showing another embodiment of the rotary plate used in each rotation angle sensor shown in FIG. 3. 2...Distributor, 3...Rotating shaft, 4...
...Spacer, 5, 6. 5', 6'...
... Rotating plate, 7 ... Rotor shaft, 9.
...Rotor head, 10...Metal plate,
DESCRIPTION OF SYMBOLS 11... Shield plate, 15... Case, 20... Light emitting element, 21... Light receiving element, 22... Cap, 23... ...Magnetic detection element.
Claims (1)
して回転する回転軸に固着され円周上に所定の間隔でス
リットが穿設された回転板と、該回転板の両面を挾むよ
うに対向して配設され、発光素子の光を前記スリットを
通し受光素子で一検出することにより前記回転軸の回転
を検出するようになした光学式回転角センサ及び、前記
回転軸に前記回転板を固定し周面に所定の間隔で形成さ
れた突条部を有した磁性部材でなる回転板と、該回転板
の突条部と離隔対向して配設され前記突条部を検出する
磁気検出素子から成る前記回転軸の回転を検出する磁気
式回転角センサとを具備することを特徴とする回転角セ
ンサ。 ２ 前記光学式回転角センサは前記内燃機関の各気筒の
上死点近傍の所定位置を検出し、前記磁気式回転角セン
サは前記内燃機関の前記クランク角を検出することを特
徴とする実用新案登録請求の範囲第１項記載の回転角セ
ンサ。 ３ 前記光学式回転角センサの前記回転板のスリットを
前記内燃機関の気筒数だけ穿設し且つ各スリットの回転
方向の幅を所定幅以上に形成したことを特徴とする実用
新案登録請求の範囲第２項記載の回転角センサ。 ４ 前記光学式回転角センサの前記発光素子の発光部及
び前記受光素子の受光部に、一端面に所□定の大きさの
スリットを穿設したキャップを装着したことを特徴とす
る実用新案登録請求の範囲第１項又は第３項のいずれか
１項記載の回転角センサ。 ５ 前記磁気式回転角センサは前記内燃機関の各気筒の
上死点近傍の所定位置を検出し、前記光学式回転角セン
サは前記内燃機関の前記クランク角を検出することを特
徴とする実用新案登録請求の範囲第１項記載の回転角セ
ンサ。 ６ 前記磁気式回転角センサの前記回転板の突条部を前
記内燃機関の気筒数だけ形成したことを特徴とする実用
新案登録請求の範囲第５項記載の回転角センサ。[Claims for Utility Model Registration] 1. A rotating plate that is housed in a distributor of an internal combustion engine, is fixed to a rotating shaft that rotates in synchronization with the crankshaft, and has slits formed at predetermined intervals on its circumference; an optical rotation angle sensor which is disposed to face both sides of the rotary plate and detects the rotation of the rotary shaft by detecting the light from the light emitting element through the slit and by the light receiving element; , a rotary plate made of a magnetic member that fixes the rotary plate to the rotating shaft and has protrusions formed at predetermined intervals on the circumferential surface; A rotation angle sensor comprising: a magnetic rotation angle sensor that detects the rotation of the rotation shaft and includes a magnetic detection element that detects the protrusion. 2. A utility model characterized in that the optical rotation angle sensor detects a predetermined position near the top dead center of each cylinder of the internal combustion engine, and the magnetic rotation angle sensor detects the crank angle of the internal combustion engine. A rotation angle sensor according to claim 1. 3. Claims for registration of a utility model, characterized in that the number of slits in the rotary plate of the optical rotation angle sensor is equal to the number of cylinders of the internal combustion engine, and the width of each slit in the rotational direction is larger than a predetermined width. The rotation angle sensor according to item 2. 4. Registration of a utility model characterized in that the light emitting part of the light emitting element and the light receiving part of the light receiving element of the optical rotation angle sensor are fitted with a cap having a slit of a predetermined size on one end surface. A rotation angle sensor according to claim 1 or 3. 5. A utility model characterized in that the magnetic rotation angle sensor detects a predetermined position near the top dead center of each cylinder of the internal combustion engine, and the optical rotation angle sensor detects the crank angle of the internal combustion engine. A rotation angle sensor according to claim 1. 6. The rotation angle sensor according to claim 5, wherein the number of protrusions on the rotary plate of the magnetic rotation angle sensor is equal to the number of cylinders of the internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6974483U JPS59174335U (en) | 1983-05-10 | 1983-05-10 | rotation angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6974483U JPS59174335U (en) | 1983-05-10 | 1983-05-10 | rotation angle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59174335U true JPS59174335U (en) | 1984-11-21 |
Family
ID=30199896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6974483U Pending JPS59174335U (en) | 1983-05-10 | 1983-05-10 | rotation angle sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59174335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0290017A (en) * | 1988-09-28 | 1990-03-29 | Yaskawa Electric Mfg Co Ltd | Multi-rotation-type absolute value encoder |
| DE4220828A1 (en) * | 1991-06-26 | 1993-01-21 | Fuji Heavy Ind Ltd | CRANK ANGLE DETECTION SYSTEM FOR A TWO-STROKE ENGINE |
-
1983
- 1983-05-10 JP JP6974483U patent/JPS59174335U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0290017A (en) * | 1988-09-28 | 1990-03-29 | Yaskawa Electric Mfg Co Ltd | Multi-rotation-type absolute value encoder |
| DE4220828A1 (en) * | 1991-06-26 | 1993-01-21 | Fuji Heavy Ind Ltd | CRANK ANGLE DETECTION SYSTEM FOR A TWO-STROKE ENGINE |
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