JPS6136858U - Temperature control device for heating roller in fixing device - Google Patents

Temperature control device for heating roller in fixing device

Info

Publication number
JPS6136858U
JPS6136858U JP12240384U JP12240384U JPS6136858U JP S6136858 U JPS6136858 U JP S6136858U JP 12240384 U JP12240384 U JP 12240384U JP 12240384 U JP12240384 U JP 12240384U JP S6136858 U JPS6136858 U JP S6136858U
Authority
JP
Japan
Prior art keywords
heating roller
temperature control
control device
fixing device
amplifier circuit
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
JP12240384U
Other languages
Japanese (ja)
Inventor
康博 上原
Original Assignee
富士ゼロックス株式会社
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 by 富士ゼロックス株式会社 filed Critical 富士ゼロックス株式会社
Priority to JP12240384U priority Critical patent/JPS6136858U/en
Publication of JPS6136858U publication Critical patent/JPS6136858U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案の一実施例のブロック図、第２図は加熱
定着方式の定着装置の概略断面図である。 １：加熱ローラ、２：熱源、３：加圧ローラ、４：温度
センサ、５：一幅回路、６ ：Ａ／Ｄ変換回路、７ ：
ＣＰＵ， ８：スイッチ素子、９：交流電源。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a schematic sectional view of a heat fixing type fixing device. 1: Heat roller, 2: Heat source, 3: Pressure roller, 4: Temperature sensor, 5: Single width circuit, 6: A/D conversion circuit, 7:
CPU, 8: Switch element, 9: AC power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部に熱源を有する加熱ローラの表面温度を検出する非
接触型の温度センサ及びこのセンサの出力特性に応じて
増幅率が調整された増幅回路と、この増幅回路の出力に
応じて上記熱源への通電を制御することにより加熱ロー
ラの温度を制御する制御回路とをそれぞれ独立して構成
することにより、それぞれ交換可能に構成したことを特
徴とする定着装置における加熱ローラの温度制御装置。A non-contact temperature sensor that detects the surface temperature of a heating roller that has a heat source inside, an amplifier circuit whose amplification factor is adjusted according to the output characteristics of this sensor, and an amplifier circuit that controls the heat source according to the output of this amplifier circuit. 1. A temperature control device for a heating roller in a fixing device, characterized in that a control circuit for controlling the temperature of the heating roller by controlling energization is configured independently so that each can be replaced.
JP12240384U 1984-08-08 1984-08-08 Temperature control device for heating roller in fixing device Pending JPS6136858U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12240384U JPS6136858U (en) 1984-08-08 1984-08-08 Temperature control device for heating roller in fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12240384U JPS6136858U (en) 1984-08-08 1984-08-08 Temperature control device for heating roller in fixing device

Publications (1)

Publication Number Publication Date
JPS6136858U true JPS6136858U (en) 1986-03-07

Family

ID=30681156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12240384U Pending JPS6136858U (en) 1984-08-08 1984-08-08 Temperature control device for heating roller in fixing device

Country Status (1)

Country Link
JP (1) JPS6136858U (en)

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