JPH02129604U - - Google Patents
Info
- Publication number
- JPH02129604U JPH02129604U JP7616589U JP7616589U JPH02129604U JP H02129604 U JPH02129604 U JP H02129604U JP 7616589 U JP7616589 U JP 7616589U JP 7616589 U JP7616589 U JP 7616589U JP H02129604 U JPH02129604 U JP H02129604U
- Authority
- JP
- Japan
- Prior art keywords
- discharge tube
- electrodeless discharge
- microwave
- cavity
- microwaves
- 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
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000003071 parasitic effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Description
第１図は本考案の一実施例を示す説明図、第３
図ａ，ｂ，ｃは従来構造のものおよび本考案のも
のの紫外線量の実測データを示す説明図、第３図
ａ，ｂ，ｃは各突起物の形状の実施例を示す図、
第４図、第５図は各々本考案の別の実施例を示す
説明図、第６図ａ，ｂ，ｃ，ｄは各無給電素子の
実施例を示す図、第７図は従来のマイクロ波無電
極放電管装置の一例の構成を示す説明図、第８図
は第７図の発光部の詳細な構造を示す説明図、第
９図はアンテナ部の動作を示す説明図である。
４……導波管、５……マイクロ波結合部、５１
……アンテナ部、５２……支持部、６……無電極
放電管、７……メツシユ、８……コールドミラー
、１３……空胴、１４……挿入金属板、２３，２
３ａ……突起部、２６……無給電素子。
Figure 1 is an explanatory diagram showing one embodiment of the present invention;
Figures a, b, and c are explanatory diagrams showing actual measurement data of the amount of ultraviolet rays of the conventional structure and the one of the present invention, and Figure 3 a, b, and c are diagrams showing examples of the shape of each protrusion.
4 and 5 are explanatory diagrams each showing another embodiment of the present invention, FIGS. 6 a, b, c, and d are diagrams showing embodiments of each parasitic element, and FIG. 7 is a conventional micro FIG. 8 is an explanatory diagram showing the structure of an example of a waveless electrode discharge tube device, FIG. 8 is an explanatory diagram showing the detailed structure of the light emitting section of FIG. 7, and FIG. 9 is an explanatory diagram showing the operation of the antenna section. 4... Waveguide, 5... Microwave coupling part, 51
... Antenna section, 52 ... Support section, 6 ... Electrodeless discharge tube, 7 ... Mesh, 8 ... Cold mirror, 13 ... Cavity, 14 ... Insert metal plate, 23,2
3a... Protrusion, 26... Parasitic element.
Claims (1)
外線を透過するメツシユが取付けられた箱形状の
空胴内にマイクロ波の励起によつてプラズマ放電
を起こす棒状の無電極放電管が上記空胴の長手方
向に配設され、マイクロ波が上記無電極放電管の
両端部にそれぞれ平行に配設された一対のマイク
ロ波結合部のアンテナ部を介して上記無電極放電
管に供給され、上記空胴の開放した面から紫外線
が放射されるマイクロ波無電極放電管装置におい
て、 上記空胴の壁内面の上記無電極放電管の中央部
に対向する部分に、上記無電極放電管との間隔を
上記一対のマイクロ波結合部のそれぞれのアンテ
ナ部が平行に配設された上記両端部に対向する部
分より狭くする突起部を設けたことを特徴とする
マイクロ波無電極放電管装置。 (2) 一方の開放した面にマイクロ波を遮断し紫
外線を透過するメツシユが取付けられた箱形状の
空胴内にマイクロ波の励起によつてプラズマ放電
を起こす棒状の無電極放電管が上記空胴の長手方
向に配設され、マイクロ波が上記無電極放電管の
両端部にそれぞれ平行に配設された一対のマイク
ロ波結合部のアンテナ部を介して上記無電極放電
管に供給され、上記空胴の開放した面から紫外線
が放射されるマイクロ波無電極放電管装置におい
て、 上記無電極放電管の中央部の近傍に、かつ上記
無電極放電管と平行に無給電素子を設けたことを
特徴とするマイクロ波無電極放電管装置。[Claims for Utility Model Registration] (1) A rod-like shape that generates plasma discharge when excited by microwaves inside a box-shaped cavity with a mesh attached to one open side that blocks microwaves and transmits ultraviolet rays. An electrodeless discharge tube is arranged in the longitudinal direction of the cavity, and microwaves are transmitted to the electrodeless discharge tube through antenna parts of a pair of microwave coupling parts arranged in parallel at both ends of the electrodeless discharge tube. In a microwave electrodeless discharge tube device in which ultraviolet rays are supplied to an electrode discharge tube and are emitted from the open surface of the cavity, a portion of the inner wall surface of the cavity facing the center of the electrodeless discharge tube, A microwave, characterized in that a protrusion is provided to narrow the distance between the electrodeless discharge tube and the opposite end portions of the pair of microwave coupling portions in which the respective antenna portions are arranged in parallel. Electrodeless discharge tube device. (2) A rod-shaped electrodeless discharge tube that generates plasma discharge when excited by microwaves is placed inside a box-shaped cavity with a mesh attached to one open side that blocks microwaves and transmits ultraviolet rays. The microwave is supplied to the electrodeless discharge tube through the antenna portions of a pair of microwave coupling portions arranged in parallel to each other at both ends of the electrodeless discharge tube. In a microwave electrodeless discharge tube device in which ultraviolet rays are emitted from the open surface of a cavity, a parasitic element is provided near the center of the electrodeless discharge tube and parallel to the electrodeless discharge tube. Characteristic microwave electrodeless discharge tube device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7616589U JPH0735358Y2 (en) | 1988-11-25 | 1989-06-30 | Microwave electrodeless discharge tube device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15242188 | 1988-11-25 | ||
| JP63-152421 | 1988-11-25 | ||
| JP7616589U JPH0735358Y2 (en) | 1988-11-25 | 1989-06-30 | Microwave electrodeless discharge tube device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02129604U true JPH02129604U (en) | 1990-10-25 |
| JPH0735358Y2 JPH0735358Y2 (en) | 1995-08-09 |
Family
ID=31718480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7616589U Expired - Fee Related JPH0735358Y2 (en) | 1988-11-25 | 1989-06-30 | Microwave electrodeless discharge tube device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735358Y2 (en) |
-
1989
- 1989-06-30 JP JP7616589U patent/JPH0735358Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735358Y2 (en) | 1995-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |