JPH0481153U - - Google Patents
Info
- Publication number
- JPH0481153U JPH0481153U JP12429090U JP12429090U JPH0481153U JP H0481153 U JPH0481153 U JP H0481153U JP 12429090 U JP12429090 U JP 12429090U JP 12429090 U JP12429090 U JP 12429090U JP H0481153 U JPH0481153 U JP H0481153U
- Authority
- JP
- Japan
- Prior art keywords
- discharge
- power supply
- high voltage
- case
- discharge 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.)
- Pending
Links
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 239000011810 insulating material Substances 0.000 claims 1
Landscapes
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Description
第１Ａ図は、放電線の中央部を省略して図示し
たこの考案による第一実施例の放電装置の縦断面
図である。第１Ｂ図は、第１Ａ図の線分Ａ−Ａ′
から見た矢視断面図である。第２図は、放電線の
中央部を省略して図示したこの考案による第二実
施例の放電装置の縦断面図である。第３Ａ図は、
高圧電源部と一方の電極端子のみを示すこの考案
による第三実施例の放電装置の断面図である。第
３Ｂ図は、第３Ａ図の線分Ｂ−Ｂから見た斜視断
面図である。
図中参照符号：１０……放電装置、１２，１２
′，１２″……電源ケース、１４……シールドカ
バー、１６……絶縁対向部材、１８，２０……電
極端子、２２……放電線、２４……スプリング、
２６……電子部品、２８……印刷基板、３０……
低電圧コネクター、３２……絶縁充填物、３４…
…固定ネジ。
FIG. 1A is a longitudinal cross-sectional view of the first embodiment of the discharge device according to this invention, with the center portion of the discharge wire omitted. Figure 1B shows the line segment A-A' in Figure 1A.
FIG. FIG. 2 is a longitudinal sectional view of a second embodiment of the discharge device according to this invention, with the center portion of the discharge wire omitted. Figure 3A shows
FIG. 7 is a cross-sectional view of a third embodiment of the discharge device according to the invention, showing only the high-voltage power supply section and one electrode terminal. FIG. 3B is a perspective cross-sectional view taken along line BB in FIG. 3A. Reference number in the figure: 10...Discharge device, 12, 12
', 12''... Power supply case, 14... Shield cover, 16... Insulated opposing member, 18, 20... Electrode terminal, 22... Discharge wire, 24... Spring,
26...Electronic parts, 28...Printed circuit board, 30...
Low voltage connector, 32... Insulating filling, 34...
...Fixing screw.
Claims (1)
圧電源から高電圧を発生させる高圧電源部と、所
定の長さの放電線２２に前記高電圧を印加し、コ
ロナ放電を発生させ、前記放電線２２の回りに電
気絶縁性部材を介して設置された導電性シールド
カバー１４を備えた放電本体とから成る電子写真
用の放電装置において、前記ケース本体に固定さ
れ、前記放電線２２を係止する一方の電極端子２
０が前記高圧電源部の出力端に直接電気接続して
あり、高圧電源部と放電本体とが一体に形成して
あることを特徴とする放電装置。 ２ 前記ケース本体は、絶縁材料製の予備成形さ
れた電源ケース１２であり、前記電極端子２０の
一部と、少なくとも昇圧用の電子部品と、前記電
源ケース１２とは高絶縁性樹脂３２で固化されて
いることを特徴とする請求項１記載の放電装置。 ３ 前記ケース本体は、高絶縁性樹脂３２で形成
してあり、ケース本体中に高圧電源部の電子部品
と前記電極端子２０の一部とが包埋されているこ
とを特徴とする請求項１記載の放電装置。 ４ 前記ケース本体の外面は放電本体のシールド
カバーで全面的に被覆されていることを特徴とす
る請求項１〜３のいずれか１項に記載の放電装置
。[Claims for Utility Model Registration] 1. A high-voltage power supply section that is housed in an electrically insulating case body and generates a high voltage from a low-voltage power supply, and applies the high voltage to a discharge wire 22 of a predetermined length, A discharge device for electrophotography, which generates a corona discharge and includes a discharge main body including a conductive shield cover 14 installed around the discharge wire 22 via an electrically insulating member, the discharge device being fixed to the case main body. , one electrode terminal 2 that locks the discharge wire 22
0 is directly electrically connected to the output end of the high voltage power source, and the high voltage power source and the discharge main body are integrally formed. 2. The case body is a preformed power supply case 12 made of an insulating material, and a portion of the electrode terminal 20, at least the electronic components for boosting voltage, and the power supply case 12 are solidified with a highly insulating resin 32. The discharge device according to claim 1, characterized in that: 3. The case body is made of highly insulating resin 32, and electronic components of a high voltage power supply section and a part of the electrode terminal 20 are embedded in the case body. The discharge device described. 4. The discharge device according to claim 1, wherein the outer surface of the case body is entirely covered with a shield cover of the discharge body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12429090U JPH0481153U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12429090U JPH0481153U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481153U true JPH0481153U (en) | 1992-07-15 |
Family
ID=31871949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12429090U Pending JPH0481153U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014199426A (en) * | 2013-03-15 | 2014-10-23 | 株式会社リコー | Image forming apparatus, and image forming method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5454641A (en) * | 1977-10-08 | 1979-05-01 | Canon Inc | Corona discharger |
| JPS5632849B2 (en) * | 1972-10-13 | 1981-07-30 |
-
1990
- 1990-11-28 JP JP12429090U patent/JPH0481153U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632849B2 (en) * | 1972-10-13 | 1981-07-30 | ||
| JPS5454641A (en) * | 1977-10-08 | 1979-05-01 | Canon Inc | Corona discharger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014199426A (en) * | 2013-03-15 | 2014-10-23 | 株式会社リコー | Image forming apparatus, and image forming method |
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