JPH0424639U - - Google Patents
Info
- Publication number
- JPH0424639U JPH0424639U JP6648690U JP6648690U JPH0424639U JP H0424639 U JPH0424639 U JP H0424639U JP 6648690 U JP6648690 U JP 6648690U JP 6648690 U JP6648690 U JP 6648690U JP H0424639 U JPH0424639 U JP H0424639U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- rotation speed
- rotary body
- temperature
- sensor
- 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 description 2
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は本考案の一実施例を示す全体の構成図
、第２図は本実施例における動作説明用のフロー
チヤート、第３図は従来の回転数検出装置の構成
図である。
１……回転体、２……回転数センサ、３……ス
ライス回路、４……信号処理回路、５……制御回
路、６……温度センサ。
FIG. 1 is an overall configuration diagram showing an embodiment of the present invention, FIG. 2 is a flowchart for explaining the operation of this embodiment, and FIG. 3 is a configuration diagram of a conventional rotation speed detection device. DESCRIPTION OF SYMBOLS 1... Rotating body, 2... Rotation speed sensor, 3... Slice circuit, 4... Signal processing circuit, 5... Control circuit, 6... Temperature sensor.
Claims (1)
向配置され、前記回転体の回転による磁束変化か
らエンジンの回転を検出する磁気式回転数センサ
と、 前記回転数センサから出力される信号のうち所
定スライスレベル以上の信号を選択するスライス
回路と、 前記エンジンの温度を検出する温度センサと、 前記エンジンの低回転域において、前記温度セ
ンサで検出された温度が設定温度以上のとき前記
スライス回路のスライスレベルを所定量下げる制
御手段とを備えたことを特徴とする回転数検出装
置。[Claims for Utility Model Registration] A toothed rotary body rotated by an engine, and a magnetic type that is arranged opposite to the rotary body through a predetermined air gap, and detects the rotation of the engine from changes in magnetic flux due to the rotation of the rotary body. a rotation speed sensor; a slicing circuit that selects a signal output from the rotation speed sensor that is equal to or higher than a predetermined slice level; a temperature sensor that detects the temperature of the engine; A rotation speed detection device comprising: control means for lowering the slice level of the slice circuit by a predetermined amount when the temperature detected by the sensor is equal to or higher than a set temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6648690U JPH0424639U (en) | 1990-06-22 | 1990-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6648690U JPH0424639U (en) | 1990-06-22 | 1990-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424639U true JPH0424639U (en) | 1992-02-27 |
Family
ID=31599253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6648690U Pending JPH0424639U (en) | 1990-06-22 | 1990-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424639U (en) |
-
1990
- 1990-06-22 JP JP6648690U patent/JPH0424639U/ja active Pending
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