JPH0267553U - - Google Patents
Info
- Publication number
- JPH0267553U JPH0267553U JP14661388U JP14661388U JPH0267553U JP H0267553 U JPH0267553 U JP H0267553U JP 14661388 U JP14661388 U JP 14661388U JP 14661388 U JP14661388 U JP 14661388U JP H0267553 U JPH0267553 U JP H0267553U
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- mercury lamp
- pressure mercury
- less
- primary coil
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims 2
- 229910052753 mercury Inorganic materials 0.000 claims 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Discharge Lamp (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Description
第１図は本考案実施例の断面図、第２図はフイ
ラメント電極の一次コイルの説明図、第３図は素
線径とチラツキ発生率およびランプの点滅寿命と
の関係図である。
１…発光管、２…ガラスステム、３…リード線
、４…フイラメント電極、５…ケツター、６…エ
ミツター。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is an explanatory diagram of a primary coil of a filament electrode, and FIG. 3 is a diagram showing the relationship between the wire diameter, flicker occurrence rate, and lamp flickering life. 1... Arc tube, 2... Glass stem, 3... Lead wire, 4... Filament electrode, 5... Ketter, 6... Emitter.
Claims (1)
コイルの一次コイル内にエミツターが保持された
熱陰極型のフイラメント電極が対向配置され、５
０ｍＡ以下の放電電流で点灯される小型低圧水銀
ランプにおいて、 前記フイラメント電極は、素線径が１０〜２０
μｍのタングステン線にて形成され、一次コイル
のピツチが該タングステン線の素線径の約２倍で
あることを特徴とする小型低圧水銀ランプ。[Claims for Utility Model Registration] Hot cathode type filament electrodes with emitters held within a double coil primary coil are arranged facing each other at both ends of an arc tube with an inner diameter of 8 mm or less,
In a small low-pressure mercury lamp that is lit with a discharge current of 0 mA or less, the filament electrode has a wire diameter of 10 to 20 mA.
A small-sized low-pressure mercury lamp made of micrometer tungsten wire, characterized in that the pitch of the primary coil is approximately twice the diameter of the tungsten wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14661388U JPH0267553U (en) | 1988-11-11 | 1988-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14661388U JPH0267553U (en) | 1988-11-11 | 1988-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0267553U true JPH0267553U (en) | 1990-05-22 |
Family
ID=31416264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14661388U Pending JPH0267553U (en) | 1988-11-11 | 1988-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0267553U (en) |
-
1988
- 1988-11-11 JP JP14661388U patent/JPH0267553U/ja active Pending
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