JPH0324642U - - Google Patents
Info
- Publication number
- JPH0324642U JPH0324642U JP8474089U JP8474089U JPH0324642U JP H0324642 U JPH0324642 U JP H0324642U JP 8474089 U JP8474089 U JP 8474089U JP 8474089 U JP8474089 U JP 8474089U JP H0324642 U JPH0324642 U JP H0324642U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- reference temperature
- display
- detection means
- image reading
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 10
- 230000009849 deactivation Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
Landscapes
- Facsimiles In General (AREA)
- Facsimile Scanning Arrangements (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図ないし第７図は本考案による画像読取装
置の一実施例を示す図であり、第１図は本考案を
適用した複写機の画像読取装置の概略図、第２図
はその光学系スキヤナの概略図、第３図は装置の
制御回路図、第４図は光学冷却フアンの結線図、
第５図は操作部の概略図、第６図は本考案の作動
手順を示すフローチヤート、第７図は光学系スキ
ヤナの周囲の温度と光学冷却フアンの回転状態を
示す線図であり、第８図は本考案の機能ブロツク
図である。第９図および第１０図は従来の複写機
のフアンモータ制御装置を示す図であり、第９図
はそのブロツク図、第１０図その動作を説明する
フローチヤートである。
１…光学系スキヤナ、２…原稿照射ランプ、５
…光学冷却フアン、８…サーミスタ（温度検知手
段）、１０…ＣＰＵ（制御手段、禁止指令手段、
解除手段、作動停止手段、警告指令手段）。
1 to 7 are diagrams showing an embodiment of an image reading device according to the present invention, FIG. 1 is a schematic diagram of an image reading device of a copying machine to which the present invention is applied, and FIG. 2 is an optical system thereof. A schematic diagram of the scanner, Figure 3 is a control circuit diagram of the device, Figure 4 is a wiring diagram of an optical cooling fan,
Fig. 5 is a schematic diagram of the operating section, Fig. 6 is a flowchart showing the operating procedure of the present invention, Fig. 7 is a diagram showing the temperature around the optical system scanner and the rotational state of the optical cooling fan. FIG. 8 is a functional block diagram of the present invention. 9 and 10 are diagrams showing a conventional fan motor control device for a copying machine, FIG. 9 being a block diagram thereof, and FIG. 10 being a flowchart explaining its operation. 1...Optical system scanner, 2...Document irradiation lamp, 5
...Optical cooling fan, 8...Thermistor (temperature detection means), 10...CPU (control means, prohibition command means,
release means, deactivation means, warning command means).
Claims (1)
、少くともこの光学系スキヤナを冷却する冷却フ
アンと、前記光学系スキヤナの周囲温度を検知す
る温度検知手段と、この温度検知手段による検知
温度が第１基準温度以上のときは前記冷却フアン
を高速回転させるよう制御する制御手段とを備え
、前記制御手段が、前記温度検知手段による検知
温度が前記第１基準温度より高い第２基準温度以
上のときは使用禁止表示の指令を出す禁止指令手
段と、前記温度検知手段による検知温度が前記第
１基準温度と第２基準温度との間の第３基準温度
以下に下降したときは前記使用禁止表示を解除す
る解除手段とを有することを特徴とする画像読取
装置。 (2) 前記制御手段は、前記使用禁止の表示が解
除された後所定時間以内に前記温度検知手段によ
る検知温度が前記第２基準温度以上となつたとき
は画像読取装置の作動を停止させる作動停止手段
と、同様のときに警告表示を指令する警告指令手
段とを有することを特徴とする請求項(1)記載の
画像読取装置。[Scope of Claim for Utility Model Registration] (1) An optical scanner having a document irradiation lamp, a cooling fan for cooling at least this optical scanner, a temperature detection means for detecting the ambient temperature of the optical scanner, and control means for controlling the cooling fan to rotate at high speed when the temperature detected by the temperature detection means is higher than the first reference temperature; a prohibition command means for issuing a command to display prohibition of use when the temperature is higher than a second high reference temperature; and a temperature detected by the temperature detection means is lowered to a third reference temperature between the first reference temperature and the second reference temperature. An image reading device comprising: a canceling means for canceling the use prohibition display when the use is prohibited. (2) The control means is operable to stop the operation of the image reading device when the temperature detected by the temperature detection means becomes equal to or higher than the second reference temperature within a predetermined time after the display prohibiting use is lifted. 2. The image reading device according to claim 1, further comprising a stop means and a warning command means for commanding a warning display at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8474089U JPH0324642U (en) | 1989-07-19 | 1989-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8474089U JPH0324642U (en) | 1989-07-19 | 1989-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0324642U true JPH0324642U (en) | 1991-03-14 |
Family
ID=31633416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8474089U Pending JPH0324642U (en) | 1989-07-19 | 1989-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0324642U (en) |
-
1989
- 1989-07-19 JP JP8474089U patent/JPH0324642U/ja active Pending
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