JPS6287362U - - Google Patents
Info
- Publication number
- JPS6287362U JPS6287362U JP17677685U JP17677685U JPS6287362U JP S6287362 U JPS6287362 U JP S6287362U JP 17677685 U JP17677685 U JP 17677685U JP 17677685 U JP17677685 U JP 17677685U JP S6287362 U JPS6287362 U JP S6287362U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- heating elements
- fixing device
- heating
- turn
- 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
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims 1
- 230000020169 heat generation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fixing For Electrophotography (AREA)
- Control Of Resistance Heating (AREA)
- Electronic Switches (AREA)
Description
第１図は、本考案の定着装置の加熱ロール部分
の概略構成図、第２図は、本考案の定着装置を用
いて構成した複写機の一例を示した概略構成図、
第３図は、従来の定着装置の加熱ロール部分の一
例を示した概略構成図である。
１，３０……加熱ロール、３，５，３３，３５
……発熱体、７，４３……温度センサ、９，１１
……リレー、１３，４２……リレー制御回路、１
７……感光ドラム、３０……定着装置、３２……
加圧ロール、３９……固体リレー、４１……機械
式リレー。
FIG. 1 is a schematic configuration diagram of a heating roll portion of the fixing device of the present invention, and FIG. 2 is a schematic configuration diagram showing an example of a copying machine configured using the fixing device of the present invention.
FIG. 3 is a schematic configuration diagram showing an example of a heating roll portion of a conventional fixing device. 1,30...Heating roll, 3,5,33,35
... Heating element, 7, 43 ... Temperature sensor, 9, 11
... Relay, 13, 42 ... Relay control circuit, 1
7...Photosensitive drum, 30...Fixing device, 32...
Pressure roll, 39...solid relay, 41...mechanical relay.
Claims (1)
体を内蔵し、用紙サイズに応じて前記発熱体に電
力を選択的に供給して発熱させる定着装置におい
て、前記発熱体を切換える機械式リレーを設け、
該機械式リレーにより選択された発熱体に供給す
る電力をオン・オフする固体リレーを設け、前記
機械式リレーが切替わる時点の前後に所定時間前
記固体リレーをオフにするリレー制御手段を設け
たことを特徴とする定着装置。 In a fixing device that includes two heating elements with different heat generation distributions inside a heating roll and generates heat by selectively supplying power to the heating elements according to paper size, a mechanical relay is provided to switch the heating elements. ,
A solid state relay is provided to turn on and off the power supplied to the heating element selected by the mechanical relay, and a relay control means is provided to turn off the solid state relay for a predetermined period before and after the time when the mechanical relay is switched. A fixing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17677685U JPS6287362U (en) | 1985-11-19 | 1985-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17677685U JPS6287362U (en) | 1985-11-19 | 1985-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6287362U true JPS6287362U (en) | 1987-06-04 |
Family
ID=31117351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17677685U Pending JPS6287362U (en) | 1985-11-19 | 1985-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6287362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017198920A (en) * | 2016-04-28 | 2017-11-02 | コニカミノルタ株式会社 | Image formation apparatus |
-
1985
- 1985-11-19 JP JP17677685U patent/JPS6287362U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017198920A (en) * | 2016-04-28 | 2017-11-02 | コニカミノルタ株式会社 | Image formation apparatus |