JPS6169163U - - Google Patents
Info
- Publication number
- JPS6169163U JPS6169163U JP15312584U JP15312584U JPS6169163U JP S6169163 U JPS6169163 U JP S6169163U JP 15312584 U JP15312584 U JP 15312584U JP 15312584 U JP15312584 U JP 15312584U JP S6169163 U JPS6169163 U JP S6169163U
- Authority
- JP
- Japan
- Prior art keywords
- rotating body
- counter
- rotation
- rotational
- pulses
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Unknown Time Intervals (AREA)
Description
第１図は本考案の一実施例における所要時間を
測定する回転数と回転速度のレンジを示す図、第
２図は回転数と回転速度のレンジを第１図のよう
に定めたときのマイクロコンピユータのフローチ
ヤート図、第３図は従来例を説明するための回転
速度検出装置の概念図である。
１……歯車、２……回転軸、３……マグネツト
ピツクアツプ、４……マイクロコンピユータ、５
……ダウンカウンタ、６……アツプカウンタ、７
……カウントスタート信号発生器（トリガー器）
、８……基準パルス発生器。
Figure 1 is a diagram showing the range of rotational speed and rotational speed for measuring the required time in one embodiment of the present invention, and Figure 2 is a diagram showing the range of rotational speed and rotational speed when the range of rotational speed and rotational speed is determined as shown in Figure 1. FIG. 3, which is a flowchart of a computer, is a conceptual diagram of a rotational speed detection device for explaining a conventional example. 1...Gear, 2...Rotating shaft, 3...Magnetic pickup, 4...Microcomputer, 5
...Down counter, 6...Up counter, 7
...Count start signal generator (trigger device)
, 8...Reference pulse generator.
Claims (1)
る回転パルス発生器と、所定周波数の基準パルス
を発生させる基準パルス発生器と、同基準パルス
を計数するアツプカウンタと、予め予定される上
記回転体の回転速度に応じた計数値がプリセツト
され上記回転パルス信号を計数するとともにカウ
ントダウン時に上記アツプカウンタの計数を停止
させるダウンカウンタと、これら両カウンタの計
数を同時に開始させるトリガー器と、上記アツプ
カウンタでの計測値から上記回転体の回転速度を
演算する演算器とを有することを特徴とする回転
速度検出装置。 a rotational pulse generator that generates rotational pulses in response to the rotation of the rotating body, a reference pulse generator that generates reference pulses of a predetermined frequency, an up counter that counts the reference pulses, and the aforementioned rotating body that is scheduled in advance. a down counter which is preset with a count value corresponding to the rotational speed of the up counter and which counts the rotation pulse signal and stops the counting of the up counter at the time of countdown; a trigger device which starts counting of both of these counters simultaneously; A rotation speed detection device comprising: a calculation unit that calculates the rotation speed of the rotating body from the measured value of the rotating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15312584U JPS6169163U (en) | 1984-10-12 | 1984-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15312584U JPS6169163U (en) | 1984-10-12 | 1984-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6169163U true JPS6169163U (en) | 1986-05-12 |
Family
ID=30711160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15312584U Pending JPS6169163U (en) | 1984-10-12 | 1984-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6169163U (en) |
-
1984
- 1984-10-12 JP JP15312584U patent/JPS6169163U/ja active Pending
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