JPS61198052U - - Google Patents
Info
- Publication number
- JPS61198052U JPS61198052U JP8095185U JP8095185U JPS61198052U JP S61198052 U JPS61198052 U JP S61198052U JP 8095185 U JP8095185 U JP 8095185U JP 8095185 U JP8095185 U JP 8095185U JP S61198052 U JPS61198052 U JP S61198052U
- Authority
- JP
- Japan
- Prior art keywords
- cooling fan
- voltage value
- voltage
- temperature
- printer
- 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
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案の一実施例を示す主要部のブロ
ツク図、第２図は第１図の具体例を示す回路図、
第３図は第２図に示す具体例により実現される内
部温度と冷却用フアンの回転速度との関係を時間
軸で表わした図である。
１，１′……温度センサ、２……遅延回路、３
……速度制御回路、４，４′……冷却用フアン、
５……フアンＯＮ／ＯＦＦ回路、６……フアン用
ドライバ、７，９，１１，１２，１４……抵抗、
８……コンデンサ、１３……増幅器、１５……コ
ンパレータ。
Fig. 1 is a block diagram of the main parts showing an embodiment of the present invention, Fig. 2 is a circuit diagram showing a specific example of Fig. 1,
FIG. 3 is a diagram showing, on a time axis, the relationship between the internal temperature and the rotational speed of the cooling fan realized by the specific example shown in FIG. 1, 1'...Temperature sensor, 2...Delay circuit, 3
...Speed control circuit, 4,4'...Cooling fan,
5...Fan ON/OFF circuit, 6...Fan driver, 7, 9, 11, 12, 14...Resistance,
8...Capacitor, 13...Amplifier, 15...Comparator.
Claims (1)
ために冷却用フアンを備えたプリンタにおいて、 プリンタの内部温度または構成部品の温度を検
出する手段と、 この検出温度を電圧値に変換する手段と、 前記電圧値の大きさに対応して冷却用フアンの
駆動電圧を発生させる速度制御回路と、 前記電圧値と予め設定した基準電圧とを比較し
て、前記駆動電圧を冷却用フアンに印加するか否
かを制御するフアンＯＮ／ＯＦＦ回路とを具備し
たことを特徴とする冷却フアン制御回路。[Scope of claim for utility model registration] In a printer that prints figures, characters, etc. and is equipped with a cooling fan to lower the internal temperature, a means for detecting the internal temperature of the printer or the temperature of its component parts, and this detected temperature means for converting the voltage value into a voltage value; a speed control circuit that generates a driving voltage for the cooling fan in accordance with the magnitude of the voltage value; A cooling fan control circuit comprising: a fan ON/OFF circuit that controls whether or not a voltage is applied to a cooling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8095185U JPS61198052U (en) | 1985-05-31 | 1985-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8095185U JPS61198052U (en) | 1985-05-31 | 1985-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61198052U true JPS61198052U (en) | 1986-12-10 |
Family
ID=30627283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8095185U Pending JPS61198052U (en) | 1985-05-31 | 1985-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61198052U (en) |
-
1985
- 1985-05-31 JP JP8095185U patent/JPS61198052U/ja active Pending