JPH0465336U - - Google Patents
Info
- Publication number
- JPH0465336U JPH0465336U JP10842990U JP10842990U JPH0465336U JP H0465336 U JPH0465336 U JP H0465336U JP 10842990 U JP10842990 U JP 10842990U JP 10842990 U JP10842990 U JP 10842990U JP H0465336 U JPH0465336 U JP H0465336U
- Authority
- JP
- Japan
- Prior art keywords
- cooling fan
- control device
- air volume
- variable means
- illumination lamp
- 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 13
- 238000005286 illumination Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図、第２図および第３図は第１、第２、第
３の実施例に係る冷却フアン制御ブロツク図、第
４図は第３図におけるトリガ信号波形図、第５図
は第１ないし第４の実施例の制御フローチヤート
、第６図は本考案が適用される複写機の概略構成
図である。
１……照明ランプ、２……スキヤナ部、３……
冷却フアン、１１……ＣＰＵ、１２……リレー、
１４……フアンモータ。
1, 2, and 3 are cooling fan control block diagrams according to the first, second, and third embodiments, FIG. 4 is a trigger signal waveform diagram in FIG. 3, and FIG. FIG. 6 is a control flow chart of the fourth embodiment, and FIG. 6 is a schematic configuration diagram of a copying machine to which the present invention is applied. 1...Illumination lamp, 2...Scanner section, 3...
Cooling fan, 11...CPU, 12...Relay,
14...Fan motor.
Claims (1)
照明ランプが配置されるスキヤナ部を冷却フアン
を制御して冷却する冷却フアン制御装置において
、前記照明ランプの光量変化値から前記スキヤナ
部の温度上昇を予測し、前記冷却フアンの風量を
変化させる風量可変手段を備えたことを特徴とす
る冷却フアン制御装置。 (2) 請求項１記載において、前記風量可変手段
は、フアンモータのタツプを切り換えるタツプ切
り換え手段で構成されることを特徴とする冷却フ
アン制御装置。 (3) 請求項１記載において、前記風量可変手段
は、前記フアンモータの駆動電圧を変化させる電
圧可変手段で構成されることを特徴とする冷却フ
アン制御装置。 (4) 請求項１記載において、前記風量可変手段
は、前記フアンモータに印加する電圧のデユーテ
イ比を制御するデユーテイ制御手段で構成される
ことを特徴とする冷却フアン制御装置。 (5) 点灯により発熱する照明ランプおよびこの
照明ランプが配置されるスキヤナ部を冷却フアン
を制御して冷却する冷却フアン制御装置において
、前記スキヤナ部の温度検出データに基づき前記
冷却フアンの風量を変化させる風量可変手段を備
えたことを特徴とする冷却フアン制御装置。[Claims for Utility Model Registration] (1) In a cooling fan control device that controls a cooling fan to cool down an illumination lamp that generates heat when lit and a scanner section in which this illumination lamp is disposed, based on a light intensity change value of the illumination lamp, A cooling fan control device comprising an air volume variable means that predicts a temperature rise in the scanner section and changes the air volume of the cooling fan. (2) A cooling fan control device according to claim 1, wherein the air volume variable means comprises tap switching means for switching a tap of a fan motor. (3) The cooling fan control device according to claim 1, wherein the air volume variable means comprises voltage variable means for changing the drive voltage of the fan motor. (4) The cooling fan control device according to claim 1, wherein the air volume variable means comprises duty control means for controlling a duty ratio of the voltage applied to the fan motor. (5) In a cooling fan control device that controls a cooling fan to cool down an illumination lamp that generates heat when turned on and a scanner section in which the illumination lamp is disposed, the air volume of the cooling fan is changed based on temperature detection data of the scanner section. A cooling fan control device characterized in that it is equipped with an air volume variable means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10842990U JPH0465336U (en) | 1990-10-18 | 1990-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10842990U JPH0465336U (en) | 1990-10-18 | 1990-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0465336U true JPH0465336U (en) | 1992-06-05 |
Family
ID=31855432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10842990U Pending JPH0465336U (en) | 1990-10-18 | 1990-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0465336U (en) |
-
1990
- 1990-10-18 JP JP10842990U patent/JPH0465336U/ja active Pending
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