JPH0272693U - - Google Patents
Info
- Publication number
- JPH0272693U JPH0272693U JP12895588U JP12895588U JPH0272693U JP H0272693 U JPH0272693 U JP H0272693U JP 12895588 U JP12895588 U JP 12895588U JP 12895588 U JP12895588 U JP 12895588U JP H0272693 U JPH0272693 U JP H0272693U
- Authority
- JP
- Japan
- Prior art keywords
- fan
- signal
- magnitude
- control device
- period
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Motor And Converter Starters (AREA)
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案の基本的な構成を示す構成ブロ
ツク図、第２図は本考案の一実施例を示す構成ブ
ロツク図、第３図は動作の一例を示す動作波形図
である。
１……フアン、２……種分手段、３……サンプ
ル・ホールド手段、４……ドライバ手段、５……
タイミング発生回路。
FIG. 1 is a block diagram showing the basic structure of the present invention, FIG. 2 is a block diagram showing an embodiment of the present invention, and FIG. 3 is an operational waveform diagram showing an example of the operation. 1...Fan, 2...Separation means, 3...Sample/hold means, 4...Driver means, 5...
Timing generation circuit.
Claims (1)
回転数に比例した周期のパルス信号を出力するフ
アンの制御装置であつて、 前記フアンからのパルス信号の周期に応じて一
定電圧を積分する積分手段と、 この積分手段の出力をホールドするサンプル・
ホールド手段と、 このサンプル・ホールド手段からの信号を入力
し、この入力信号の大きさとは逆比例した関係に
ある大きさの電圧信号を前記フアンに供給するド
ライバ手段と を備えたフアン制御装置。[Claims for Utility Model Registration] A control device for a fan that rotates in accordance with the magnitude of an applied voltage and outputs a pulse signal with a period proportional to the number of rotations thereof, wherein the period of the pulse signal from the fan is An integrating means that integrates a constant voltage according to
A fan control device comprising: a hold means; and a driver means which receives a signal from the sample/hold means and supplies the fan with a voltage signal having a magnitude inversely proportional to the magnitude of the input signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12895588U JPH0272693U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12895588U JPH0272693U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272693U true JPH0272693U (en) | 1990-06-04 |
Family
ID=31382775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12895588U Pending JPH0272693U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272693U (en) |
-
1988
- 1988-09-30 JP JP12895588U patent/JPH0272693U/ja active Pending
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