JPS61203764U - - Google Patents
Info
- Publication number
- JPS61203764U JPS61203764U JP8696885U JP8696885U JPS61203764U JP S61203764 U JPS61203764 U JP S61203764U JP 8696885 U JP8696885 U JP 8696885U JP 8696885 U JP8696885 U JP 8696885U JP S61203764 U JPS61203764 U JP S61203764U
- Authority
- JP
- Japan
- Prior art keywords
- fixing device
- temperature
- rate
- fuser
- change over
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
- Control Of Temperature (AREA)
Description
第１図は本考案制御装置の回路図。第２図は本
考案装置の温度変化検出作用を示す図。第３図は
本考案装置の作用を示すフローチヤート。第４図
は定着器の内部を示す説明図。
１…基準電圧発生回路、２…サーミスタ、３…
ボルテージフオロワ、４…Ａ／Ｄコンバータ、５
…μコンピユータ、６…トランジスタ、７…表示
灯、８…トランジスタ、９…フオトカツプラ、１
０…定着ランプ、１１…定着ランプ点灯回路、１
２，１２′…用紙、１３…プレツシヤーロール、
１４…ヒートロール、１５…フインガ。
FIG. 1 is a circuit diagram of the control device of the present invention. FIG. 2 is a diagram showing the temperature change detection function of the device of the present invention. FIG. 3 is a flowchart showing the operation of the device of the present invention. FIG. 4 is an explanatory diagram showing the inside of the fixing device. 1... Reference voltage generation circuit, 2... Thermistor, 3...
Voltage follower, 4...A/D converter, 5
...μ computer, 6...transistor, 7...indicator light, 8...transistor, 9...photo coupler, 1
0...Fuser lamp, 11...Fuser lamp lighting circuit, 1
2, 12'...paper, 13...pressure roll,
14... Heat roll, 15... Finger.
Claims (1)
に該定着器の温度を検出して該一定時間に対する
温度変化の割合を演算し、該一定時間に対する温
度変化の割合が予定の最大値を超えたとき、定着
器への給電を停止するようにしたことを特徴とす
る、定着器の制御装置。 After the fuser reaches the set temperature, the temperature of the fuser is detected at regular intervals, the rate of temperature change over the constant time is calculated, and the rate of temperature change over the constant time exceeds the predetermined maximum value. 1. A control device for a fixing device, characterized in that the power supply to the fixing device is stopped when the fixing device is turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8696885U JPS61203764U (en) | 1985-06-11 | 1985-06-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8696885U JPS61203764U (en) | 1985-06-11 | 1985-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61203764U true JPS61203764U (en) | 1986-12-22 |
Family
ID=30638755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8696885U Pending JPS61203764U (en) | 1985-06-11 | 1985-06-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61203764U (en) |
-
1985
- 1985-06-11 JP JP8696885U patent/JPS61203764U/ja active Pending
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