JPS62104251U - - Google Patents
Info
- Publication number
- JPS62104251U JPS62104251U JP19474785U JP19474785U JPS62104251U JP S62104251 U JPS62104251 U JP S62104251U JP 19474785 U JP19474785 U JP 19474785U JP 19474785 U JP19474785 U JP 19474785U JP S62104251 U JPS62104251 U JP S62104251U
- Authority
- JP
- Japan
- Prior art keywords
- image forming
- forming apparatus
- voltage
- cooling fan
- temperature
- 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 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Control Of Temperature (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
画像形成装置の概略構成図、第３図は他の例の回
路図、第４図ａはサーミスタの抵抗値と温度との
関係を示す特性図、第４図ｂ〜ｆは第３図の実施
例の動作を示すタイムチヤート、第５図は更に他
の例を示す回路図である。
１……冷却フアン、２……サーミスタ（温度検
出素子）、１４ａ……定着用ヒータ、１８……Ａ
／Ｄ変換器、１９……サーミスタ（可変抵抗素子
）。
Fig. 1 is a circuit diagram of one embodiment of the present invention, Fig. 2 is a schematic configuration diagram of an image forming apparatus, Fig. 3 is a circuit diagram of another example, and Fig. 4a shows the relationship between the resistance value of the thermistor and temperature. 4b to 4f are time charts showing the operation of the embodiment of FIG. 3, and FIG. 5 is a circuit diagram showing still another example. 1...Cooling fan, 2...Thermistor (temperature detection element), 14a...Fixing heater, 18...A
/D converter, 19... thermistor (variable resistance element).
Claims (1)
え、且つ機内の温度を冷却するための冷却用フア
ンを有する画像形成装置において、前記冷却用フ
アンに印加する電圧を、機内温度に応じて変化さ
せる電圧変化部を設けたことを特徴とする画像形
成装置。 (2) 前記電圧変化部は、機内温度に応じて抵抗
値が変化する可変抵抗素子であることを特徴とす
る実用新案登録請求の範囲第１項記載の画像形成
装置。 (3) 前記電圧変化部は、機内温度を検出する温
度検出素子と、該温度検出素子の出力に基づき前
記冷却用フアンへの印加電圧を変化させる制御部
とからなることを特徴とする実用新案登録請求の
範囲第１項記載の画像形成装置。[Claims for Utility Model Registration] (1) In an image forming apparatus that is equipped with at least a fixing heater and an exposure light source, and also has a cooling fan for cooling the temperature inside the machine, the voltage applied to the cooling fan is An image forming apparatus characterized in that it is provided with a voltage changing section that changes the voltage according to the internal temperature. (2) The image forming apparatus according to claim 1, wherein the voltage changing section is a variable resistance element whose resistance value changes depending on the internal temperature of the device. (3) The utility model characterized in that the voltage changing section includes a temperature detecting element that detects the temperature inside the machine, and a control section that changes the voltage applied to the cooling fan based on the output of the temperature detecting element. An image forming apparatus according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19474785U JPS62104251U (en) | 1985-12-18 | 1985-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19474785U JPS62104251U (en) | 1985-12-18 | 1985-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62104251U true JPS62104251U (en) | 1987-07-03 |
Family
ID=31152003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19474785U Pending JPS62104251U (en) | 1985-12-18 | 1985-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62104251U (en) |
-
1985
- 1985-12-18 JP JP19474785U patent/JPS62104251U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62104251U (en) | ||
| JPS5824815U (en) | Temperature control circuit for electric heating equipment | |
| JPH0425139U (en) | ||
| JPS5937613U (en) | Heating element temperature control device | |
| JPH0262458U (en) | ||
| JPH0430742U (en) | ||
| JPS6437337U (en) | ||
| JPS59168989U (en) | Floor heating heater | |
| JPH0252131U (en) | ||
| JPS6166376U (en) | ||
| JPS62199649U (en) | ||
| JPH0362374U (en) | ||
| JPS59124326U (en) | Bathtub with alarm device | |
| JPS61152471U (en) | ||
| JPH029709U (en) | ||
| JPS62110940U (en) | ||
| JPS6394447U (en) | ||
| JPS62170239U (en) | ||
| JPH0334245U (en) | ||
| JPS5998455U (en) | Fusing device for copying machines | |
| JPS5836589U (en) | Safety device for heating heater | |
| JPS5929638U (en) | Fan coil unit control device | |
| JPS6059386U (en) | Disconnection protection circuit for thermal heating element | |
| JPH01142017U (en) | ||
| JPS62149059U (en) |