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
Application number
JP17677685U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP17677685U priority Critical patent/JPS6287362U/ja
Publication of JPS6287362U publication Critical patent/JPS6287362U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fixing For Electrophotography (AREA)
  • Control Of Resistance Heating (AREA)
  • Electronic Switches (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 加熱ロール内部に発熱分布の異なる2本の発熱
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:
JP17677685U 1985-11-19 1985-11-19 Pending JPS6287362U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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