JPH01157350U - - Google Patents
Info
- Publication number
- JPH01157350U JPH01157350U JP5359188U JP5359188U JPH01157350U JP H01157350 U JPH01157350 U JP H01157350U JP 5359188 U JP5359188 U JP 5359188U JP 5359188 U JP5359188 U JP 5359188U JP H01157350 U JPH01157350 U JP H01157350U
- Authority
- JP
- Japan
- Prior art keywords
- fan motor
- abnormality
- standard range
- discharge section
- ozone discharge
- 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
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例によるフアンモータ
電流異常検出回路、第２図は第１図の動作説明の
波形図、第３図は直流モータの等価回路、第４図
は第３図に示す直流モータの端子電圧をパラメー
タとした回転トルクと回転速度の特性図、第５図
は画像形成装置の制御回路例、第６図はレーザー
プリンターの構造を示す断面図、第７図は第６図
の斜視外観図である。
２……帯電チヤージヤー、３……転写チヤージ
ヤー、４……プリンター本体、５……フアンモー
タ、６……オゾンフイルタ、７……オゾンフイル
タカバー、８……定電圧電源、９……抵抗器、１
０……増幅器、１１，１２……基準電圧発生器、
１３，１４……コンパレータ、１５……ＡＮＤ回
路、１６……制御回路、１７……表示装置。
Fig. 1 is a fan motor current abnormality detection circuit according to an embodiment of the present invention, Fig. 2 is a waveform diagram explaining the operation of Fig. 1, Fig. 3 is an equivalent circuit of a DC motor, and Fig. 4 is the same as Fig. 3. 5 is an example of a control circuit of an image forming apparatus, FIG. 6 is a sectional view showing the structure of a laser printer, and FIG. FIG. 2... Electrostatic charger, 3... Transfer charger, 4... Printer main body, 5... Fan motor, 6... Ozone filter, 7... Ozone filter cover, 8... Constant voltage power supply, 9... Resistor, 1
0...Amplifier, 11, 12...Reference voltage generator,
13, 14... Comparator, 15... AND circuit, 16... Control circuit, 17... Display device.
Claims (1)
モータの駆動電流を検出し、設定された基準範囲
内の時は正常とし、基準範囲外の時はフアンモー
タの異常信号を制御部に出力して異常表示するこ
とを特徴とするオゾン吐出部の異常検出装置。 The drive current of the fan motor is detected in the ozone discharge section of the image forming apparatus, and when it is within the set standard range it is considered normal, and when it is outside the standard range, a fan motor abnormality signal is output to the control section and an abnormality is displayed. An abnormality detection device for an ozone discharge section, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5359188U JPH01157350U (en) | 1988-04-22 | 1988-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5359188U JPH01157350U (en) | 1988-04-22 | 1988-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01157350U true JPH01157350U (en) | 1989-10-30 |
Family
ID=31279561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5359188U Pending JPH01157350U (en) | 1988-04-22 | 1988-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01157350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014000679A (en) * | 2012-06-15 | 2014-01-09 | Seiko Epson Corp | Printer and method for controlling the same |
| JP2018017903A (en) * | 2016-07-28 | 2018-02-01 | キヤノン株式会社 | Image formation device, and image formation device controlling method |
-
1988
- 1988-04-22 JP JP5359188U patent/JPH01157350U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014000679A (en) * | 2012-06-15 | 2014-01-09 | Seiko Epson Corp | Printer and method for controlling the same |
| JP2018017903A (en) * | 2016-07-28 | 2018-02-01 | キヤノン株式会社 | Image formation device, and image formation device controlling method |
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