JPH0222097U - - Google Patents
Info
- Publication number
- JPH0222097U JPH0222097U JP9887888U JP9887888U JPH0222097U JP H0222097 U JPH0222097 U JP H0222097U JP 9887888 U JP9887888 U JP 9887888U JP 9887888 U JP9887888 U JP 9887888U JP H0222097 U JPH0222097 U JP H0222097U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- signal
- converting
- frequency
- control means
- 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.)
- Granted
Links
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Multiple Motors (AREA)
Description
第１図は本考案の一実施例を示す構成ブロツク
図、第２図はその動作を説明するための動作概念
図である。
１……電圧制御手段、２１〜２４……フアンモ
ータ、３１〜３４……周波数／電圧変換手段、４
……加算手段、５……誤差増幅手段、６……監視
回路。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a conceptual diagram illustrating its operation. 1... Voltage control means, 21-24... Fan motor, 31-34... Frequency/voltage conversion means, 4
...adding means, 5...error amplification means, 6...monitoring circuit.
Claims (1)
する複数のフアンモータと、 各フアンモータからの回転数に関連した信号を
それぞれ電圧信号に変換する周波数／電圧変換手
段と、 これらの周波数／電圧変換手段からの信号をそ
れぞれ加算する加算手段と、 この加算手段の加算結果と所定の設定値との差
を演算する誤差増幅手段とを備え、 前記電圧制御手段は前記誤差増幅手段からの信
号に基づいて複数のフアンモータに供給する電圧
を制御する ことを特徴とするフアンモータ制御回路。[Claims for Utility Model Registration] Voltage control means for controlling the magnitude of supply voltage; a plurality of fan motors that rotate according to the supply voltage from the voltage control means; Frequency/voltage converting means for converting each signal into a voltage signal; Adding means for adding the signals from these frequency/voltage converting means, and calculating the difference between the addition result of the adding means and a predetermined set value. A fan motor control circuit comprising: error amplification means, wherein the voltage control means controls voltages supplied to a plurality of fan motors based on a signal from the error amplification means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9887888U JPH0739360Y2 (en) | 1988-07-26 | 1988-07-26 | Fan motor control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9887888U JPH0739360Y2 (en) | 1988-07-26 | 1988-07-26 | Fan motor control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0222097U true JPH0222097U (en) | 1990-02-14 |
| JPH0739360Y2 JPH0739360Y2 (en) | 1995-09-06 |
Family
ID=31325528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9887888U Expired - Lifetime JPH0739360Y2 (en) | 1988-07-26 | 1988-07-26 | Fan motor control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739360Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010156489A (en) * | 2008-12-26 | 2010-07-15 | Daikin Ind Ltd | Refrigerating device for trailer |
-
1988
- 1988-07-26 JP JP9887888U patent/JPH0739360Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010156489A (en) * | 2008-12-26 | 2010-07-15 | Daikin Ind Ltd | Refrigerating device for trailer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0739360Y2 (en) | 1995-09-06 |
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