JPH02117563U - - Google Patents
Info
- Publication number
- JPH02117563U JPH02117563U JP2698789U JP2698789U JPH02117563U JP H02117563 U JPH02117563 U JP H02117563U JP 2698789 U JP2698789 U JP 2698789U JP 2698789 U JP2698789 U JP 2698789U JP H02117563 U JPH02117563 U JP H02117563U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- fixing device
- maintenance
- detection means
- setting
- 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.)
- Granted
Links
- 238000012423 maintenance Methods 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 2
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
- Control Of Temperature (AREA)
Description
第１図は、本考案の熱定着装置における温調装
置部の構成図、第２図は、本考案の熱定着装置を
具備する画像形成装置を示す概略構成図、第３図
は、温度制御における時間と温度との関係を示す
説明図、第４図は、定着器の温調制御のフローチ
ヤートである。
１８ａ……加熱ロール、２２……外気温度サー
ミスタ、２３……Ａ／Ｄコンバータ、２４……定
着サーミスタ、２５……ＭＰＵ、２７……ヒータ
、２８……スイツチング素子、２９……半導体制
御素子。
FIG. 1 is a block diagram of a temperature control unit in the heat fixing device of the present invention, FIG. 2 is a schematic block diagram showing an image forming apparatus equipped with the heat fixing device of the present invention, and FIG. 3 is a temperature control diagram. FIG. 4 is a flowchart of temperature control of the fixing device. 18a...Heating roll, 22...Outside temperature thermistor, 23...A/D converter, 24...Fixing thermistor, 25...MPU, 27...Heater, 28...Switching element, 29...Semiconductor control element.
Claims (1)
着器の温度を所定の維持温度に降下させる温調装
置を備えた熱定着装置において、 前記定着器の周辺における環境温度を検知する
環境温度検知手段と、該環境温度検知手段の出力
に応じて前記維持温度を設定する維持温度設定手
段と該維持温度設定手段により設定された温度に
前記定着器の温度を保持させる定着温度保持制御
手段を備えることを特徴とする熱定着装置。[Scope of Claim for Utility Model Registration] In a heat fixing device equipped with a temperature control device that lowers the temperature of the fixing device to a predetermined maintenance temperature when a non-image forming operation state continues for a predetermined period of time, the environment around the fixing device environmental temperature detection means for detecting temperature; maintenance temperature setting means for setting the maintenance temperature according to the output of the environment temperature detection means; and maintaining the temperature of the fixing device at the temperature set by the maintenance temperature setting means. A heat fixing device comprising a fixing temperature maintenance control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989026987U JPH0733251Y2 (en) | 1989-03-09 | 1989-03-09 | Heat fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989026987U JPH0733251Y2 (en) | 1989-03-09 | 1989-03-09 | Heat fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02117563U true JPH02117563U (en) | 1990-09-20 |
| JPH0733251Y2 JPH0733251Y2 (en) | 1995-07-31 |
Family
ID=31249101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989026987U Expired - Lifetime JPH0733251Y2 (en) | 1989-03-09 | 1989-03-09 | Heat fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0733251Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06278308A (en) * | 1993-03-26 | 1994-10-04 | Canon Inc | Image forming apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120913U (en) * | 1985-08-29 | 1986-07-30 | ||
| JPS63143575A (en) * | 1986-12-05 | 1988-06-15 | Konica Corp | Fixing device |
-
1989
- 1989-03-09 JP JP1989026987U patent/JPH0733251Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61120913U (en) * | 1985-08-29 | 1986-07-30 | ||
| JPS63143575A (en) * | 1986-12-05 | 1988-06-15 | Konica Corp | Fixing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06278308A (en) * | 1993-03-26 | 1994-10-04 | Canon Inc | Image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0733251Y2 (en) | 1995-07-31 |