JPH0262458U - - Google Patents
Info
- Publication number
- JPH0262458U JPH0262458U JP13863788U JP13863788U JPH0262458U JP H0262458 U JPH0262458 U JP H0262458U JP 13863788 U JP13863788 U JP 13863788U JP 13863788 U JP13863788 U JP 13863788U JP H0262458 U JPH0262458 U JP H0262458U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- heating means
- detection means
- temperature control
- fixing device
- 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
- 238000001514 detection method Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims 7
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Fixing For Electrophotography (AREA)
- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
Description
第１図はこの考案に係る定着装置の動作診断装
置の一実施例を示す回路図、第２図は第１の検出
手段を示す構成図、第３図は第２の検出手段を示
す構成図、第４図は定着装置を示す構成図、第５
図はサーミスタ及びサーモスタツトの取付け位置
を示す説明図、第６図この考案の他の実施例を示
す回路図、第７図はこの考案に係る装置を適用し
得る電子写真複写機を示す概略構成図である。
符号の説明、３３…ヒータ、３４…サーミスタ
、３５…サーモスタツト、３７…ＳＳＲ、３８…
第１の検出手段、４４…第２の検出手段。
FIG. 1 is a circuit diagram showing an embodiment of the fixing device operation diagnostic device according to this invention, FIG. 2 is a block diagram showing the first detection means, and FIG. 3 is a block diagram showing the second detection means. , FIG. 4 is a configuration diagram showing the fixing device, and FIG. 5 is a configuration diagram showing the fixing device.
Figure 6 is an explanatory diagram showing the mounting positions of the thermistor and thermostat, Figure 6 is a circuit diagram showing another embodiment of this invention, and Figure 7 is a schematic configuration of an electrophotographic copying machine to which the apparatus according to this invention can be applied. It is a diagram. Explanation of symbols, 33... Heater, 34... Thermistor, 35... Thermostat, 37... SSR, 38...
1st detection means, 44...2nd detection means.
Claims (1)
るための温度制御手段とを有する定着装置の動作
を診断するための装置において、少なくとも上記
加熱手段への電圧印加の有無を検出する検出手段
を備え、上記温度制御手段の動作に応じて検出手
段の検出結果を参照することにより、加熱手段及
び温度制御手段の異常箇所を検出することを特徴
とする定着装置の動作診断装置。 (2) 上記加熱手段への電圧印加の有無を検出す
る検出手段と、加熱手段への電流通電の有無を検
出する検出手段とを備えたことを特徴とする請求
項第１項記載の定着装置の動作診断装置。 (3) 上記加熱手段への電圧印加の有無を検出す
る検出手段と、温度制御手段への電圧印加の有無
を検出する検出手段とを備えたことを特徴とする
請求項第１項記載の定着装置の動作診断装置。[Claims for Utility Model Registration] (1) In a device for diagnosing the operation of a fixing device having a heating means and a temperature control means for controlling the temperature of the heating means, at least a voltage applied to the heating means is provided. A fixing device comprising a detection means for detecting the presence or absence of an applied voltage, and detecting abnormalities in the heating means and the temperature control means by referring to the detection results of the detection means according to the operation of the temperature control means. operation diagnostic device. (2) The fixing device according to claim 1, further comprising: a detection means for detecting whether a voltage is applied to the heating means; and a detection means for detecting whether a current is applied to the heating means. operation diagnostic device. (3) The fixing device according to claim 1, further comprising a detection means for detecting whether a voltage is applied to the heating means and a detection means for detecting whether a voltage is applied to the temperature control means. Device operation diagnostic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988138637U JPH0755570Y2 (en) | 1988-10-26 | 1988-10-26 | Fixing device operation diagnostic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988138637U JPH0755570Y2 (en) | 1988-10-26 | 1988-10-26 | Fixing device operation diagnostic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0262458U true JPH0262458U (en) | 1990-05-10 |
| JPH0755570Y2 JPH0755570Y2 (en) | 1995-12-20 |
Family
ID=31401156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988138637U Expired - Lifetime JPH0755570Y2 (en) | 1988-10-26 | 1988-10-26 | Fixing device operation diagnostic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0755570Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008034141A (en) * | 2006-07-26 | 2008-02-14 | Denso Corp | Heater device, and vehicular liquid crystal display device equipped with heater device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6022165A (en) * | 1983-07-19 | 1985-02-04 | Canon Inc | Temperature controller of recorder |
| JPS6275571A (en) * | 1985-09-30 | 1987-04-07 | Canon Inc | Recording device |
-
1988
- 1988-10-26 JP JP1988138637U patent/JPH0755570Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6022165A (en) * | 1983-07-19 | 1985-02-04 | Canon Inc | Temperature controller of recorder |
| JPS6275571A (en) * | 1985-09-30 | 1987-04-07 | Canon Inc | Recording device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008034141A (en) * | 2006-07-26 | 2008-02-14 | Denso Corp | Heater device, and vehicular liquid crystal display device equipped with heater device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0755570Y2 (en) | 1995-12-20 |
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