JPS62178445U - - Google Patents

Info

Publication number
JPS62178445U
JPS62178445U JP6783186U JP6783186U JPS62178445U JP S62178445 U JPS62178445 U JP S62178445U JP 6783186 U JP6783186 U JP 6783186U JP 6783186 U JP6783186 U JP 6783186U JP S62178445 U JPS62178445 U JP S62178445U
Authority
JP
Japan
Prior art keywords
covering
arc tube
metal vapor
tube
houses
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
Application number
JP6783186U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6783186U priority Critical patent/JPS62178445U/ja
Publication of JPS62178445U publication Critical patent/JPS62178445U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの考案の一実施例による金属蒸気放
電灯の構成図、第2図はこの考案と従来例のラン
プのナトリウム589nmの発光強度分布図、第
3図および第4図は従来のランプの各々の構成図
である。 1……発光管、2a,2b……電極、3……外
管、12……被覆体、13……被覆板。なお、図
中同一符号は同一又は相当部分を示す。
Figure 1 is a block diagram of a metal vapor discharge lamp according to an embodiment of this invention, Figure 2 is a sodium 589 nm emission intensity distribution diagram of lamps of this invention and conventional lamps, and Figures 3 and 4 are diagrams of conventional lamps. It is a block diagram of each. DESCRIPTION OF SYMBOLS 1... Arc tube, 2a, 2b... Electrode, 3... Outer tube, 12... Covering body, 13... Covering plate. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一対の電極を有し、内部に水銀と希ガスの他ナ
トリウムを含む金属ハロゲン化物を封入した発光
管と、この発光管を収容し内部に不活性ガスを封
入した外管とを備えた金属蒸気放電灯において、
上記発光管全体を包囲する筒状の透光性の被覆体
と、この被覆体の開口部を閉塞する被覆板とを備
え、かつ発光管の外径d(cm)とし、被覆体の内
径をdo(cm)としたとき、1.2<do/d<
2の関係となることを特徴とする金属蒸気放電灯
A metal vapor comprising an arc tube that has a pair of electrodes and is filled with a metal halide containing mercury, a rare gas, and sodium inside, and an outer tube that houses this arc tube and has an inert gas sealed inside. In discharge lamps,
It comprises a cylindrical translucent covering that surrounds the entire arc tube, and a covering plate that closes the opening of the covering, and the outer diameter of the arc tube is d (cm), and the inner diameter of the covering is When do (cm), 1.2<do/d<
A metal vapor discharge lamp characterized by having the following relationship.
JP6783186U 1986-05-06 1986-05-06 Pending JPS62178445U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6783186U JPS62178445U (en) 1986-05-06 1986-05-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6783186U JPS62178445U (en) 1986-05-06 1986-05-06

Publications (1)

Publication Number Publication Date
JPS62178445U true JPS62178445U (en) 1987-11-12

Family

ID=30907090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6783186U Pending JPS62178445U (en) 1986-05-06 1986-05-06

Country Status (1)

Country Link
JP (1) JPS62178445U (en)

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