JPS5975556A - Metal vapor discharge lamp - Google Patents
Metal vapor discharge lampInfo
- Publication number
- JPS5975556A JPS5975556A JP18575982A JP18575982A JPS5975556A JP S5975556 A JPS5975556 A JP S5975556A JP 18575982 A JP18575982 A JP 18575982A JP 18575982 A JP18575982 A JP 18575982A JP S5975556 A JPS5975556 A JP S5975556A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust pipe
- inner diameter
- arc tube
- exhaust
- lamp
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は例えばメタルハライドランプのような金属蒸
気放電灯の光束・光色のばらつき抑制に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to suppressing variations in luminous flux and light color of a metal vapor discharge lamp such as a metal halide lamp.
第1図はメタルハライドランプの従来の発光管の構造の
一例を示す正面図で1図において(1)は石英ガラス製
の発光管(11で、その両端には一対の電極(2)がモ
リブデン箔(3)などを介して封着されている。発光管
(11内部には、始動用希ガスと水銀に加えて、金属ハ
ロゲン化物が封入されている。Figure 1 is a front view showing an example of the structure of a conventional arc tube of a metal halide lamp. (3) etc. Inside the arc tube (11, in addition to a starting rare gas and mercury, a metal halide is sealed.
(4)は発光管(1)の排気工程後のチップオフ時に形
成されるチップ部である、第2図は排気工程時における
発光管(1)と排気管(5)との構成を示す図で。(4) is a tip portion formed during tip-off after the evacuation process of the arc tube (1). Fig. 2 is a diagram showing the configuration of the arc tube (1) and the exhaust pipe (5) during the evacuation process. in.
通常発光管(11に溶着された内径31nm +外径5
闘の排気管(5)ヲ通して排気系に接続されている。そ
して1発光管(1]の加熱ガス出し、電極(2)のガス
出し。Normal arc tube (inner diameter 31 nm welded to 11 + outer diameter 5
It is connected to the exhaust system through the exhaust pipe (5). Then, the heated gas is released from the arc tube (1), and the gas is released from the electrode (2).
封入物の精製ガス出しなどの工程を経た後、排気管(5
)ヲチップオフして第1図に示す発光管(1)が完成す
るへこの様な従来の排気管(5)の構成においては1発
光管内径の小さい低ワツトメタルハライドランプの場合
、排気後に形成されるチップ部(4)が発光管(1)全
体に対して占める割合が大きくなり。After going through processes such as releasing purified gas from the filled material, the exhaust pipe (5
) Chip-off completes the arc tube (1) shown in Figure 1. In the conventional exhaust pipe (5) configuration like this, 1 In the case of a low-wattage metal halide lamp with a small inner diameter of the arc tube, the arc tube (1) shown in Figure 1 is completed after evacuation. The chip portion (4) occupies a large proportion of the entire arc tube (1).
そのためランプ点灯中に上記チップ部(4)の内壁に封
入金属ハロゲン化物が凝縮する現象が見られた。Therefore, a phenomenon was observed in which the encapsulated metal halide condensed on the inner wall of the chip portion (4) during lamp lighting.
従って、上記チップ部(4)の大きさや形状によって点
灯中の金属ハロゲン化物の蒸気圧が異なって。Therefore, the vapor pressure of the metal halide during lighting varies depending on the size and shape of the tip portion (4).
ランプの効率1色特性のばらつきがはなはだ太きかった
6また。上記チップ部(4)の大ぎさによって。Also, the variation in lamp efficiency and single-color characteristics was extremely wide. Depending on the size of the tip part (4).
発光管内容積の変化も大きくその結果、特にランプ電圧
のばらつきも大きいという欠点を有していた。This has the disadvantage that the internal volume of the arc tube changes greatly, and as a result, the variation in lamp voltage is also large.
この発明は上記した従来の欠点に鑑みてなされたもので
、排気管7異なった内径を有する二種類の排気管で構成
し、かつ内径の小なる排気管を発光管に溶着するととも
に内径の大なる排気管乞上記小なる排気管の排気側端に
接続し、上記小なる排気管の内径乞3朋より小さくする
ことにより。This invention was made in view of the above-mentioned conventional drawbacks, and consists of two types of exhaust pipes having different inner diameters, and the exhaust pipe with a smaller inner diameter is welded to the arc tube, and the exhaust pipe with a larger inner diameter is welded to the arc tube. The exhaust pipe is connected to the exhaust side end of the smaller exhaust pipe, and the inner diameter of the smaller exhaust pipe is smaller than that of the smaller exhaust pipe.
金属蒸気放電灯の光束・光色およびランプ電圧のばらつ
きを大巾に抑制することを可能にしたものである。This makes it possible to greatly suppress variations in luminous flux, light color, and lamp voltage of metal vapor discharge lamps.
以下、この発明の実施例ケ図面悼基づいて説明する。Embodiments of the present invention will be described below with reference to the drawings.
第3図はこの発明乞実施してなるメタルハライドランプ
の発光管(1)および排気管(5) (6)の構成7示
す正面図で、前回と同一符号は全く同一部分を示す。FIG. 3 is a front view showing the structure 7 of the arc tube (1) and exhaust pipes (5) and (6) of a metal halide lamp according to the present invention, and the same reference numerals as in the previous example indicate completely the same parts.
図において、 (5)、 (61は内径の異なる二種類
の排気管で、内径の小なる排気管(6)が発光管(1)
の中心部に溶着されており内径の犬なる排気管(5)は
内径の小なる排気管(6)の排気側端に接続されている
。In the figure, (5) and (61 are two types of exhaust pipes with different inner diameters, and the exhaust pipe (6) with the smaller inner diameter is the arc tube (1).
An exhaust pipe (5) having a dog-shaped inner diameter is welded to the center of the pipe and is connected to the exhaust side end of an exhaust pipe (6) having a smaller inner diameter.
このような排気管(6)の効果を調べるために次の様な
実験を行なった。In order to investigate the effect of such an exhaust pipe (6), the following experiment was conducted.
先ず従来例試料として、第2図に示した構成で100W
メタルハライドランプの発光管(1)ヲ作成した。その
発光管(1)の内径は1cm、電極間距離は1.8cm
で排気管(5)の内径は3朋、外径は5龍である。この
ような構成で、所定の工程を経た後9発光管(1)内に
適量の希ガス、水銀とともに沃化スカンジウムおよび沃
化ナトリウム乞封入して9発光管(1)を完成した。First, as a conventional example sample, the configuration shown in Fig. 2 was used at 100W.
I made a metal halide lamp arc tube (1). The inner diameter of the arc tube (1) is 1 cm, and the distance between the electrodes is 1.8 cm.
The exhaust pipe (5) has an inner diameter of 3mm and an outer diameter of 5mm. With such a configuration, scandium iodide and sodium iodide were sealed together with appropriate amounts of rare gas and mercury into the arc tube (1) after completing the prescribed steps to complete the arc tube (1).
このような従来のメタルハライドランプ10本の全光束
1色温度、ランプ電圧の上限値と上限値との差は、それ
ぞれ3500/m、2000に、35Vであった。The differences between the upper limit values of the total luminous flux per color temperature and the lamp voltage of 10 conventional metal halide lamps were 3500/m, 2000/m, and 35 V, respectively.
また、実施例試料としては内径の小なる排気管(61%
−設けた以外の構成は全〈従来例試料と同一であった。In addition, as an example sample, an exhaust pipe with a small inner diameter (61%
- All other configurations were the same as the conventional sample.
なお、小なる排気管(6)の内径は1.5朋。The inner diameter of the small exhaust pipe (6) is 1.5mm.
外径sumで、長さは5闘に設定した1、このような実
施例試料ランプ10本の全光束1色温度、ランプ電圧の
上限値と上限値との差は、それぞれ20001m 、6
00K 、15Vであった。さらに。The outer diameter is sum, the length is set to 5cm, the total luminous flux of 10 such example sample lamps is 1, the color temperature is 20001m, and the difference between the upper limit and the upper limit of the lamp voltage is 20001m and 6, respectively.
00K, 15V. moreover.
全光束は従来例試料の平均匝が6500dmであったが
、実施例試料の平均値は70001mで全光束(効率)
の向上も見られた。The average total luminous flux of the conventional example sample was 6,500 dm, but the average value of the example sample was 70,001 dm, and the total luminous flux (efficiency)
An improvement was also seen.
なお、上記内径の小なる排気管(6)の長さを変化させ
て、ランプ特性w R1)Jべたところ、長さが20酊
を越えた場合、ランプの特に始動特性において。It should be noted that by changing the length of the exhaust pipe (6) with the small inner diameter, the lamp characteristics w R1)J were determined.If the length exceeds 20mm, the starting characteristics of the lamp in particular will be affected.
20y+m以下のランプに比べ不十分な特性であった。The characteristics were insufficient compared to lamps of 20 y+m or less.
これは、内径の小さなる排気管(6)の長さが排気系の
コンダクタンスに大きな影響7与えるためである、
なお、沃化スカンジウム−沃化ナトリウム以外の封入組
成のメタルハライドランプ、および水銀ランプでも同様
の効果が得られる。This is because the length of the exhaust pipe (6), which has a small inner diameter, has a large effect on the conductance of the exhaust system.It should be noted that even metal halide lamps with fill compositions other than scandium iodide-sodium iodide and mercury lamps A similar effect can be obtained.
以上説明してきたように1発光管を排気するための排気
管が異なった内径を有する二種類の排気管からなり、か
つ内径の小なる排気管が発光管に溶着されているととも
に、上記小なる排気管の内径が3門より小さくすること
により、全光束9色特性などのばらつき乞大巾に低減す
るとともに。As explained above, the exhaust pipe for exhausting one arc tube consists of two types of exhaust pipes with different inner diameters, and the exhaust pipe with the smaller inner diameter is welded to the arc tube, and the exhaust pipe with the smaller inner diameter is welded to the arc tube. By making the inner diameter of the exhaust pipe smaller than 3 gates, variations in the total luminous flux, 9 color characteristics, etc. can be greatly reduced.
効率向上をも笑殺した金属蒸気放電灯ケ提供するもので
ある。The present invention provides a metal vapor discharge lamp that has improved efficiency.
第1図は従来のメタルノ・ライドランプの発光管の正面
図、第2図は従来の発光管と排気管の構成図、第3図は
この発明の一実施例2示す発光管と排気管の構成図であ
る1、図において(1)は発光管。
(5)は内径の大なる排気管、(6)は内径の小なる排
気管である、なお9図中同一符号は同一または41″1
当部分を示す。
代理人 葛 野 信 −
第1図
第2図
4什九免
■
第3図Fig. 1 is a front view of the arc tube of a conventional metalno-ride lamp, Fig. 2 is a configuration diagram of a conventional arc tube and exhaust pipe, and Fig. 3 is a diagram of the arc tube and exhaust pipe shown in Embodiment 2 of the present invention. 1 is a configuration diagram. In the figure, (1) is an arc tube. (5) is an exhaust pipe with a large inner diameter, and (6) is an exhaust pipe with a small inner diameter. Note that the same reference numerals in Figure 9 are the same or 41"1
This section is shown below. Agent Shin Kuzuno - Figure 1 Figure 2 Figure 4 Tithe■ Figure 3
Claims (2)
径2有する二種類の排気管からなり、かつ内径の小なる
排気管が発光管に溶着されているとともに、内径の大な
る排気管を上記小なる排気管の排気側端に接続し上記小
なる排気管の内径が3前より小なること乞特徴とする金
属蒸気放電灯。(1) The exhaust pipe for exhausting the arc tube consists of two types of exhaust pipes with different inner diameters, and the exhaust pipe with the smaller inner diameter is welded to the arc tube, and the exhaust pipe with the larger inner diameter is welded to the arc tube. A metal vapor discharge lamp connected to the exhaust side end of the small exhaust pipe, and characterized in that the inner diameter of the small exhaust pipe is smaller than the previous one.
したこと馨特徴とする特許請求範囲第(1)項記載の金
属蒸気放電灯。(2) The metal vapor discharge lamp according to claim (1), characterized in that the length of the exhaust pipe with a small inner diameter is 20 mm or less.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18575982A JPS5975556A (en) | 1982-10-22 | 1982-10-22 | Metal vapor discharge lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18575982A JPS5975556A (en) | 1982-10-22 | 1982-10-22 | Metal vapor discharge lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5975556A true JPS5975556A (en) | 1984-04-28 |
Family
ID=16176367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18575982A Pending JPS5975556A (en) | 1982-10-22 | 1982-10-22 | Metal vapor discharge lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5975556A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019125127A1 (en) * | 2019-09-18 | 2021-03-18 | Mühlbauer Gmbh & Co. Kg | Component handling, component inspection |
-
1982
- 1982-10-22 JP JP18575982A patent/JPS5975556A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019125127A1 (en) * | 2019-09-18 | 2021-03-18 | Mühlbauer Gmbh & Co. Kg | Component handling, component inspection |
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