JPS63176394U - - Google Patents
Info
- Publication number
- JPS63176394U JPS63176394U JP1987066035U JP6603587U JPS63176394U JP S63176394 U JPS63176394 U JP S63176394U JP 1987066035 U JP1987066035 U JP 1987066035U JP 6603587 U JP6603587 U JP 6603587U JP S63176394 U JPS63176394 U JP S63176394U
- Authority
- JP
- Japan
- Prior art keywords
- drive voltage
- fan motor
- detection output
- switch
- detection
- 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 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
Landscapes
- Control Of Direct Current Motors (AREA)
Description
第１図は、本考案の一実施例を示す回路図、第
２図は、本考案の他の実施例を示す回路図、第３
図は、正常供給時の駆動電圧の波形図、第４図は
異常供給時の駆動電圧の波形図である。
３……フアンモータ、４，５，７及び８，９，
１１……電圧検出回路、６，１０……スイツチを
構成するトランジスタ。
FIG. 1 is a circuit diagram showing one embodiment of the present invention, FIG. 2 is a circuit diagram showing another embodiment of the present invention, and FIG.
4 is a waveform diagram of the drive voltage during normal supply, and FIG. 4 is a waveform diagram of the drive voltage during abnormal supply. 3...Fan motor, 4, 5, 7 and 8, 9,
11... Voltage detection circuit, 6, 10... Transistor constituting the switch.
Claims (1)
越えたときに検出出力を取り出す電圧検出回路と
、前記検出出力の印加に対応して前記駆動電圧を
フアンモータに供給するスイツチを具備したこと
を特徴とするフアンモータの駆動電圧供給回路。 A voltage detection circuit that takes out a detection output when a drive voltage is applied and the drive voltage exceeds a predetermined level, and a switch that supplies the drive voltage to the fan motor in response to the application of the detection output. Drive voltage supply circuit for a fan motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987066035U JPS63176394U (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987066035U JPS63176394U (en) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63176394U true JPS63176394U (en) | 1988-11-15 |
Family
ID=30903660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987066035U Pending JPS63176394U (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63176394U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50124114A (en) * | 1974-03-08 | 1975-09-30 |
-
1987
- 1987-04-30 JP JP1987066035U patent/JPS63176394U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50124114A (en) * | 1974-03-08 | 1975-09-30 |