JPS6179358U - - Google Patents
Info
- Publication number
- JPS6179358U JPS6179358U JP16267584U JP16267584U JPS6179358U JP S6179358 U JPS6179358 U JP S6179358U JP 16267584 U JP16267584 U JP 16267584U JP 16267584 U JP16267584 U JP 16267584U JP S6179358 U JPS6179358 U JP S6179358U
- Authority
- JP
- Japan
- Prior art keywords
- fixing roller
- temperature
- sensor
- pole connector
- heat fixing
- 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 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１図は本考案に係る定着ローラの保護装置の
構成を示す回路図、第２図は従来のセンサー検出
回路の構成を示す図である。
図中、１１…ヒータ、１２…サーミスタ、１３
…リレー、１４…４極コネクタ。
FIG. 1 is a circuit diagram showing the structure of a fixing roller protection device according to the present invention, and FIG. 2 is a diagram showing the structure of a conventional sensor detection circuit. In the figure, 11... Heater, 12... Thermistor, 13
...Relay, 14...4-pole connector.
Claims (1)
該センサーの検出温度に基づいて加熱定着ローラ
に通電する加熱電流を制御し、該加熱定着ローラ
の温度を所定の値に制御する温度制御回路を備え
た定着ローラにおいて、ＯＮ−ＯＦＦするリレー
および４極コネクタを設け、前記加熱定着ローラ
に加熱電流を通電する回路に前記リレーの接点を
直列に介在させると共に、リレーコイルに作動電
流を通電する回路に前記４極コネクタの２極を直
列より介在させ、さらに前記センサーの出力端子
を前記４極コネクタの残る２極を介して前記温度
制御回路に接続したことを特徴とする定着ローラ
の保護装置。 The temperature of the heating fixing roller is detected by a sensor,
The fixing roller includes a temperature control circuit that controls the heating current applied to the heat fixing roller based on the temperature detected by the sensor, and controls the temperature of the heat fixing roller to a predetermined value. A pole connector is provided, and the contacts of the relay are interposed in series in a circuit for supplying heating current to the heat fixing roller, and two poles of the four-pole connector are interposed in series in a circuit for supplying operating current to the relay coil. . A protection device for a fixing roller, further comprising: an output terminal of the sensor being connected to the temperature control circuit via the remaining two poles of the four-pole connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16267584U JPS6179358U (en) | 1984-10-26 | 1984-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16267584U JPS6179358U (en) | 1984-10-26 | 1984-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6179358U true JPS6179358U (en) | 1986-05-27 |
Family
ID=30720550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16267584U Pending JPS6179358U (en) | 1984-10-26 | 1984-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6179358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6242177A (en) * | 1985-08-20 | 1987-02-24 | Fujitsu Ltd | Prevention system for overheating of heater |
| JP2019045715A (en) * | 2017-09-04 | 2019-03-22 | キヤノン株式会社 | Image forming apparatus and temperature control device |
-
1984
- 1984-10-26 JP JP16267584U patent/JPS6179358U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6242177A (en) * | 1985-08-20 | 1987-02-24 | Fujitsu Ltd | Prevention system for overheating of heater |
| JP2019045715A (en) * | 2017-09-04 | 2019-03-22 | キヤノン株式会社 | Image forming apparatus and temperature control device |