JPH0181668U - - Google Patents
Info
- Publication number
- JPH0181668U JPH0181668U JP1987177581U JP17758187U JPH0181668U JP H0181668 U JPH0181668 U JP H0181668U JP 1987177581 U JP1987177581 U JP 1987177581U JP 17758187 U JP17758187 U JP 17758187U JP H0181668 U JPH0181668 U JP H0181668U
- Authority
- JP
- Japan
- Prior art keywords
- heating
- heating element
- heating roller
- energizing
- heats
- 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 13
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Fixing For Electrophotography (AREA)
- Control Of Temperature (AREA)
Description
第１図は加熱ローラ型定着装置の構成図、第２
図はトライアツクを用いたヒータ制御回路図、第
３図はゼロクロス信号を基準とした加熱ローラ表
面温度制御タイミングチヤート、第４図はゼロク
ロス信号を基準とした加熱ローラ表面温度制御タ
イミングチヤート、第５図は本案の１実施例を示
す制御ブロツク図、第６図は本案の１実施例を示
すフローチヤート、第７図は本案の１実施例を示
す加熱ローラ表面温度の時間特性図である。
１……加熱ローラ、２……圧着ローラ、３……
温度検知素子、４……制御回路、５……トライア
ツク、６……発熱体、７……切り替え部、８……
フオトカプラ。
Figure 1 is a configuration diagram of the heating roller type fixing device, Figure 2
The figure is a heater control circuit diagram using a triax, Figure 3 is a heating roller surface temperature control timing chart based on a zero-cross signal, Figure 4 is a heating roller surface temperature control timing chart based on a zero-cross signal, and Figure 5 6 is a control block diagram showing one embodiment of the present invention, FIG. 6 is a flowchart showing one embodiment of the present invention, and FIG. 7 is a time characteristic diagram of the heating roller surface temperature showing one embodiment of the present invention. 1... heating roller, 2... pressure roller, 3...
Temperature detection element, 4... Control circuit, 5... Triack, 6... Heating element, 7... Switching unit, 8...
Photocoupler.
Claims (1)
ナー像を加熱定着させる加熱ローラと、該加熱ロ
ーラを加熱する発熱体と、前記加熱ローラの表面
温度を検知するように配設された温度検知素子と
、該温度検知素子の出力に対応して前記発熱体へ
の通電を制御する制御回路を有する電子写真プリ
ンタ等の印刷装置において、 前記発熱体へ通電するための複数の電力供給源
と、複数の電力源を選択して発熱体へ通電するた
めの切り替え手段を有し、前記温度検知素子の出
力に対応し前記複数の電力供給源を選択し発熱体
へ通電することを特徴とする印刷装置。[Claims for Utility Model Registration] A heating roller that heats and fixes a toner image formed on a paper surface by an electrophotographic process, a heating element that heats the heating roller, and an arrangement that detects the surface temperature of the heating roller. In a printing device such as an electrophotographic printer having a temperature sensing element provided therein and a control circuit that controls energization to the heating element in accordance with the output of the temperature sensing element, the plurality of It has a power supply source and a switching means for selecting a plurality of power sources and energizing the heating element, and selects the plurality of power supply sources in response to the output of the temperature detection element and energizing the heating element. A printing device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177581U JPH0181668U (en) | 1987-11-24 | 1987-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177581U JPH0181668U (en) | 1987-11-24 | 1987-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181668U true JPH0181668U (en) | 1989-05-31 |
Family
ID=31469242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177581U Pending JPH0181668U (en) | 1987-11-24 | 1987-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016502250A (en) * | 2012-12-21 | 2016-01-21 | ダブリユーイーテイー・オートモーテイブ・システムズ・リミテツド | Apparatus and method for improving response time of temperature control target apparatus |
-
1987
- 1987-11-24 JP JP1987177581U patent/JPH0181668U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016502250A (en) * | 2012-12-21 | 2016-01-21 | ダブリユーイーテイー・オートモーテイブ・システムズ・リミテツド | Apparatus and method for improving response time of temperature control target apparatus |
| JP2016197428A (en) * | 2012-12-21 | 2016-11-24 | ダブリユーイーテイー・オートモーテイブ・システムズ・リミテツド | Device and method for improving response time of temperature control target device |
| US9678517B2 (en) | 2012-12-21 | 2017-06-13 | Gentherm Canada Ltd. | Device and method for improving the response time of a temperature control device |
| US10409304B2 (en) | 2012-12-21 | 2019-09-10 | Gentherm Gmbh | Device and method for improving the response time of a temperature control device |
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