JPS6046563U - Corona wire breakage detection device for corona discharger - Google Patents
Corona wire breakage detection device for corona dischargerInfo
- Publication number
- JPS6046563U JPS6046563U JP13945883U JP13945883U JPS6046563U JP S6046563 U JPS6046563 U JP S6046563U JP 13945883 U JP13945883 U JP 13945883U JP 13945883 U JP13945883 U JP 13945883U JP S6046563 U JPS6046563 U JP S6046563U
- Authority
- JP
- Japan
- Prior art keywords
- corona
- detection device
- breakage detection
- wire breakage
- discharger
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す図、第２図はコロナ放
電器のコロナワイヤ切れを示す図、第３図は本考案によ
る装置の動作を示す図、第４図は高圧電源の動作を示す
図である。
符号の説明、１・・・ブロッキングオシレータ回路、２
・・・ＰＷＭ制御回路、３・・・制御部、４・・・感光
体ドラム、５・・・露光部、６・・・現像部、７・・・
転写部、８・・・クリーニング部、９・・・コロナ放電
器、１０・・・コロナワイヤ、１１・・・出力手段、１
２・・・高圧電源、１３・・・判定手段、１４・・・遅
れ要素、１５・・・シールドケース、１６ ａ−ｔ
１６ ｂ”・支持台、１７ａｉ７ｂ・・・ボルト、１８
・・・高圧端子、Ｑ、、 Ｑ２？ Ｑｓｖ ＱＵ Ｑｓ
ｔ Ｑｅ・・・トランジスタ、Ａ工・・・誤差増巾器、
Ａ２・・・のこぎり波発生器、Ａ３・・・ＰＷＭ比較器
、Ａ、・・・パルス発生回路、Ａ、・・・増巾器、Ｔ、
・・・トランス。Fig. 1 is a diagram showing an embodiment of the present invention, Fig. 2 is a diagram showing corona wire breakage in a corona discharger, Fig. 3 is a diagram showing the operation of the device according to the present invention, and Fig. 4 is a diagram showing a high-voltage power supply. It is a figure showing operation. Explanation of symbols, 1...Blocking oscillator circuit, 2
... PWM control circuit, 3... Control section, 4... Photosensitive drum, 5... Exposure section, 6... Developing section, 7...
Transfer section, 8... Cleaning section, 9... Corona discharger, 10... Corona wire, 11... Output means, 1
2... High voltage power supply, 13... Judgment means, 14... Delay element, 15... Shield case, 16 a-t
16 b"・Support stand, 17ai7b... Bolt, 18
...High voltage terminal, Q,, Q2? Qsv QU Qs
t Qe...Transistor, A...Error amplifier,
A2... Sawtooth wave generator, A3... PWM comparator, A,... Pulse generation circuit, A,... Amplifier, T,
···Trance.
Claims (1)
圧が印加されるコロナ放電器を備えた複写機において、 前記高圧電源の電圧出力レベルに応じた電圧信号を出力
する手段と、 該電圧信号が所定のレベルまで低下したときコロナワイ
ヤの断線と判定する判定手段を備えたことを特徴とする
コロナ放電器のコロナワイヤ切れ検出装置。[Claims for Utility Model Registration] A copying machine equipped with a corona discharger placed facing a photoreceptor drum and to which a high voltage from a high voltage power source is applied, a voltage signal corresponding to the voltage output level of the high voltage power source. What is claimed is: 1. A corona wire breakage detection device for a corona discharger, comprising means for outputting: and determining means for determining that the corona wire is broken when the voltage signal drops to a predetermined level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13945883U JPS6046563U (en) | 1983-09-08 | 1983-09-08 | Corona wire breakage detection device for corona discharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13945883U JPS6046563U (en) | 1983-09-08 | 1983-09-08 | Corona wire breakage detection device for corona discharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6046563U true JPS6046563U (en) | 1985-04-02 |
Family
ID=30312567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13945883U Pending JPS6046563U (en) | 1983-09-08 | 1983-09-08 | Corona wire breakage detection device for corona discharger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6046563U (en) |
-
1983
- 1983-09-08 JP JP13945883U patent/JPS6046563U/en active Pending
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