JPH03210753A - Single-tube metal halide lamp - Google Patents
Single-tube metal halide lampInfo
- Publication number
- JPH03210753A JPH03210753A JP505290A JP505290A JPH03210753A JP H03210753 A JPH03210753 A JP H03210753A JP 505290 A JP505290 A JP 505290A JP 505290 A JP505290 A JP 505290A JP H03210753 A JPH03210753 A JP H03210753A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- sealed
- metal foil
- conductor
- sealing
- 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
- 229910001507 metal halide Inorganic materials 0.000 title claims description 21
- 150000005309 metal halides Chemical class 0.000 title claims description 21
- 239000011888 foil Substances 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract description 6
- 239000010453 quartz Substances 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 5
- 239000007789 gas Substances 0.000 abstract description 4
- 229910052786 argon Inorganic materials 0.000 abstract description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 9
- 229910052750 molybdenum Inorganic materials 0.000 description 9
- 239000011733 molybdenum Substances 0.000 description 9
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 6
- XQPRBTXUXXVTKB-UHFFFAOYSA-M caesium iodide Chemical compound [I-].[Cs+] XQPRBTXUXXVTKB-UHFFFAOYSA-M 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- HUIHCQPFSRNMNM-UHFFFAOYSA-K scandium(3+);triiodide Chemical compound [Sc+3].[I-].[I-].[I-] HUIHCQPFSRNMNM-UHFFFAOYSA-K 0.000 description 2
- 235000009518 sodium iodide Nutrition 0.000 description 2
- -1 b are sealed Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は一重管メタルハライドランプに関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a single tube metal halide lamp.
従来の技術
近年、配光制御の容易さから、−重管構造のメタルハラ
イドランプへの要望が高まっている。従来の一重管メタ
ルハライドランプの構成図を第２図に示す。石英製の発
光管１）の内部には一対の電極１２ａ、１３ａが設けら
れ、かつ封入物として、ヨウ化スカンジウム、ヨウ化ナ
トリウム、ヨウ化セシウム、水銀がアルゴンガスととも
に封入されている。発光管１）の両端には、封止部１３
ａ。BACKGROUND OF THE INVENTION In recent years, there has been an increasing demand for metal halide lamps with a double tube structure due to their ease of light distribution control. FIG. 2 shows a block diagram of a conventional single-tube metal halide lamp. A pair of electrodes 12a and 13a are provided inside the arc tube 1) made of quartz, and scandium iodide, sodium iodide, cesium iodide, and mercury are sealed together with argon gas as fillers. Sealing portions 13 are provided at both ends of the arc tube 1).
a.
１３ｂが設けられ、各々の封止部にモリブデン箔１５ｂ
が導出されている。このような−重管メタルハライドラ
ンプにおいては、空気中で点灯されるが、モリブデン箔
１４ａ’、１４ｂが点灯中の高温により酸化されるのを
防止するため封止部１３ａ。13b is provided, and a molybdenum foil 15b is provided in each sealing part.
has been derived. In such a double-tube metal halide lamp, which is lit in air, the sealing portion 13a is used to prevent the molybdenum foils 14a' and 14b from being oxidized due to high temperatures during lighting.
１３ｂの長さをかなり長くすることにより封止部端部の
温度低下が図られている。By making the length of 13b considerably longer, the temperature at the end of the sealing portion is lowered.
発明が解決しようとする課題
しかし、従来の一重管メタルハライドランプでは、封止
部が長いため、加工部分が長くなり製造上の困難が生じ
ていた。Problems to be Solved by the Invention However, in conventional single-tube metal halide lamps, the sealing portion is long, resulting in a long processed portion, which poses manufacturing difficulties.
本発明の目的は、発光管の封止部の長さが二重管構造の
メタルハライドランプ程度に短い一重管メタルハライド
ランプを提供するものである。An object of the present invention is to provide a single-tube metal halide lamp in which the length of the sealed portion of the arc tube is as short as that of a double-tube structure metal halide lamp.
課題を解決するための手段
本発明は一重管メタルハライドランプは、両端に、内部
に第１の金属箔が封止された封止部が設けられ、各々の
封止部から前記第１の金属箔に接続された導体が外部に
導出された発光管を有し、前記封止部に管を密封封着す
るとともに、前記管内に前記導体を挿入し、かつ前記導
体に第２の金属箔を介して接続されたリード線を前記管
の端部より導出し、前記管の端部を前記第２の金属箔部
分で封止し、前記管内を真空とするか、または不活性ガ
スを封入したものである。Means for Solving the Problems The present invention provides a single-tube metal halide lamp, which is provided with sealing parts at both ends in which a first metal foil is sealed, and from each sealing part to the first metal foil. The conductor connected to the arc tube has an arc tube led out to the outside, the tube is hermetically sealed to the sealing part, the conductor is inserted into the tube, and the conductor is connected to the arc tube through a second metal foil. A lead wire connected to the tube is led out from the end of the tube, the end of the tube is sealed with the second metal foil part, and the inside of the tube is evacuated or filled with an inert gas. It is.
さらに、本発明のメタルハライドランプは、両端に、内
部に金属箔が封止された封止部が設けられ、各々の封止
部から前記金属箔に接続された導体が外部に導出された
発光管を有し、前記封止部に管を密封封着するとともに
、前記管内に前記導体を挿入し、かつ前記導体を前記管
の端部より密封導出し、前記管内を真空とするか、また
は不活性ガスを封入したものである。Furthermore, the metal halide lamp of the present invention is an arc tube having sealing portions in which metal foil is sealed inside at both ends, and a conductor connected to the metal foil is led out from each sealing portion. The tube is hermetically sealed to the sealing portion, the conductor is inserted into the tube, and the conductor is hermetically led out from the end of the tube, and the inside of the tube is evacuated or a vacuum is provided. It is filled with active gas.
作用
かかる手段を採用することにより、発光管の封止部内の
金属箔は真空あるいは不活性ガス雰囲気に保たれるため
、封止部が高温になっても酸化するおそれがない。By adopting such a means, the metal foil inside the sealing part of the arc tube is kept in a vacuum or an inert gas atmosphere, so there is no risk of oxidation even if the sealing part reaches a high temperature.
実施例
以下、本発明の一実施例について図面を用いて説明する
。EXAMPLE Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例である一重管メタルハライド
ランプを示すものである。石英製発光管１の内部には、
一対の電極２ａ、２ｂが設けられ、かつ封入物として、
ヨウ化スカンジウム、ヨウ化ナトリウム、ヨウ化セシウ
ム、水銀がアルゴンガス４０ ｍｂとともに封入されて
いる。発光管１の内径は１７順、電極間距離は３３１）
１）である。発光管１の両端には、封止部３ａ、８ｂが
設けられ、各々の封止部の内部にモリブデン箔４ａ、４
ｂ等の第１の金属箔が封止されており、さらにモリブデ
ン箔１４ａ、１４ｂに接続された導体５ａ、５ｂがそれ
ぞれ外部に導出されている。封止部３ａ。FIG. 1 shows a single-tube metal halide lamp which is an embodiment of the present invention. Inside the quartz arc tube 1,
A pair of electrodes 2a and 2b are provided, and as an enclosure,
Scandium iodide, sodium iodide, cesium iodide, and mercury are sealed together with 40 mb of argon gas. The inner diameter of the arc tube 1 is 17, and the distance between the electrodes is 331)
1). Sealing portions 3a, 8b are provided at both ends of the arc tube 1, and molybdenum foils 4a, 4 are provided inside each sealing portion.
First metal foils such as b are sealed, and conductors 5a and 5b connected to molybdenum foils 14a and 14b are led out, respectively. Sealing part 3a.
３ｂには石英製細管６ａ、６ｂの一端がそれぞれ密封封
着されており、その内部には導体５ａ、５ｂがそれぞれ
挿入されている。導体５ａ、５ｂの各端部には、モリブ
デン箔７ａ、７ｂ等の第２の金属箔を介してリード線８
ａ、８ｂが接続されている。細管６ａ、６ｂはモリブデ
ン箔７ａ、７ｂの箇所で封着されており、細管６ａ、６
ｂの内部は真空に排気されている。封止部３ａ、３ｂの
全長は２０ｎｏ、細管６ａ、６ｂの全長は５０閣である
。One ends of quartz thin tubes 6a and 6b are each hermetically sealed in 3b, and conductors 5a and 5b are inserted into the interior thereof, respectively. A lead wire 8 is connected to each end of the conductors 5a, 5b via a second metal foil such as molybdenum foil 7a, 7b.
a and 8b are connected. The thin tubes 6a, 6b are sealed at molybdenum foils 7a, 7b, and the thin tubes 6a, 6
The inside of b is evacuated to vacuum. The total length of the sealing portions 3a and 3b is 20 mm, and the total length of the thin tubes 6a and 6b is 50 mm.
かかるメタルハライドランプは、ランプ電力２５０Ｗ、
ランプ電圧１３０Ｖ、 ランプ電流２．１Ａであ
る。Such a metal halide lamp has a lamp power of 250W,
The lamp voltage is 130V and the lamp current is 2.1A.
以上のような構成を有するメタルハライドランプによれ
ば、封止部３ａ、３ｂ内のモリブデン箔４ａ。According to the metal halide lamp having the above configuration, the molybdenum foil 4a in the sealing parts 3a and 3b.
４ｂは、細管６ａ、６ｂ内が真空になっているため、直
接空気に触れることはなく、シたがって高温にさらされ
ても酸化することはない。よって、封止部の非常に短い
一重管メタルハライドランプを得ることができる。Since the thin tubes 6a and 6b are in a vacuum, the tubes 4b do not come into direct contact with air, and therefore do not oxidize even if exposed to high temperatures. Therefore, a single-tube metal halide lamp with a very short sealing portion can be obtained.
なお、上記実施例では、導体を第２の金属箔を介してリ
ード線に接続し、このリード線を管から導出した場合に
ついて説明したが、本発明は導体を第２の金属箔を介す
ることなく直接管外に導出してもよい。In addition, in the above embodiment, the case was explained in which the conductor was connected to the lead wire through the second metal foil and the lead wire was led out from the tube, but the present invention connects the conductor to the lead wire through the second metal foil. It may also be led out directly to the outside of the tube.
また、上記実施例では管内を真空とした場合について説
明したが、本発明は管内に不活性ガスを封入した場合に
ついても同様の効果が得られるものである。Further, in the above embodiments, the case where the inside of the tube is evacuated has been described, but the present invention can obtain similar effects even when an inert gas is sealed inside the tube.
発明の詳細
な説明したように、本発明によれば、発光管の封止部内
に封止された金属箔を真空または不活性ガス雰囲気に保
つことができるので、封止部が高温になっても、金属箔
が酸化するのを防止でき、したがって封止部長さの短い
発光管が可能となり、従来に比べ極めて製造の容易な一
重管メタルハライドランプを提供することができるもの
である。As described in detail, according to the present invention, the metal foil sealed in the sealing part of the arc tube can be kept in a vacuum or inert gas atmosphere, so that the sealing part does not become hot. Also, it is possible to prevent the metal foil from oxidizing, thereby making it possible to produce an arc tube with a short sealing portion, and to provide a single-tube metal halide lamp that is much easier to manufacture than in the past.
第１図は本発明の一実施例である一重管メタルハライド
ランプの一部切欠正面図、第２図は従来の一重管メタル
ハライドランプの一部切欠正面図である。
３ａ、３ｂ・・・・・・封止部、４ａ、４ｂ・・・・・
・モリブデン箔、５ａ、５ｂ・・・・・・外部導入線、
６ａ、６ｂ・・・・・・細管、７ａ、７ｂ・・・・・・
モリブデン箔、８ａ。
８ｂ・・・・・・リード線。FIG. 1 is a partially cutaway front view of a single tube metal halide lamp according to an embodiment of the present invention, and FIG. 2 is a partially cutaway front view of a conventional single tube metal halide lamp. 3a, 3b...Sealing part, 4a, 4b...
・Molybdenum foil, 5a, 5b...external lead-in wire,
6a, 6b...tubule, 7a, 7b...
Molybdenum foil, 8a. 8b...Lead wire.
Claims (4)
が設けられ、各々の封止部から前記第１の金属箔に接続
された導体が外部に導出された発光管を有し、前記封止
部に管を密封封着するとともに、前記管内に前記導体を
挿入し、かつ前記導体に第２の金属箔を介して接続され
たリード線を前記管の端部より導出し、前記管の端部を
前記第２の金属箔部分で封止し、前記管内を真空にした
ことを特徴とする一重管メタルハライドランプ。(1) A luminous tube that is provided at both ends with a sealing part in which a first metal foil is sealed inside, and in which a conductor connected to the first metal foil is led out from each sealing part. The tube is hermetically sealed to the sealing portion, the conductor is inserted into the tube, and a lead wire connected to the conductor via a second metal foil is inserted from the end of the tube. A single-tube metal halide lamp, characterized in that the end of the tube is sealed with the second metal foil portion, and the inside of the tube is evacuated.
が設けられ、各々の封止部から前記第１の金属箔に接続
された導体が外部に導出された発光管を有し、前記封止
部に管を密封封着するとともに、前記管内に前記導体を
挿入し、かつ前記導体に第２の金属箔を介して接続され
たリード線を前記管の端部より導出し、前記管の端部を
前記第２の金属箔部分で封止し、前記管内に不活性ガス
を封入したことを特徴とする一重管メタルハライドラン
プ。(2) A luminous tube that is provided at both ends with sealing parts in which a first metal foil is sealed inside, and in which a conductor connected to the first metal foil is led out from each sealing part. The tube is hermetically sealed to the sealing portion, the conductor is inserted into the tube, and a lead wire connected to the conductor via a second metal foil is inserted from the end of the tube. A single-tube metal halide lamp, characterized in that the end of the tube is sealed with the second metal foil portion, and an inert gas is sealed in the tube.
られ、各々の封止部から前記金属箔に接続された導体が
外部に導出された発光管を有し、前記封止部に管を密封
封着するとともに、前記管内に前記導体を挿入し、かつ
前記導体を前記管の端部より密封導出し、前記管内を真
空にしたことを特徴とする一重管メタルハライドランプ
。(3) A luminous tube is provided at both ends, the interior of which is sealed with metal foil, and a conductor connected to the metal foil is led out from each of the sealing parts. A single-tube metal halide lamp, characterized in that a tube is hermetically sealed to a stop part, the conductor is inserted into the tube, and the conductor is led out from an end of the tube in a sealed manner to create a vacuum inside the tube.
られ、各々の封止部から前記金属箔に接続された導体が
外部に導出された発光管を有し、前記封止部に管を密封
封着するとともに、前記管内に前記導体を挿入し、かつ
前記導体を前記管の端部より密封導出し、前記管内に不
活性ガスを封入したことを特徴とする一重管メタルハラ
イドランプ。(4) A luminous tube is provided at both ends, the interior of which is sealed with metal foil, and a light emitting tube in which a conductor connected to the metal foil is led out from each of the sealing parts; A single pipe, characterized in that a pipe is hermetically sealed to the stop part, the conductor is inserted into the pipe, the conductor is led out from the end of the pipe in a sealed manner, and an inert gas is sealed in the pipe. metal halide lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP505290A JPH03210753A (en) | 1990-01-12 | 1990-01-12 | Single-tube metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP505290A JPH03210753A (en) | 1990-01-12 | 1990-01-12 | Single-tube metal halide lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03210753A true JPH03210753A (en) | 1991-09-13 |
Family
ID=11600631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP505290A Pending JPH03210753A (en) | 1990-01-12 | 1990-01-12 | Single-tube metal halide lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03210753A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999050887A1 (en) * | 1998-03-25 | 1999-10-07 | Toshiba Lighting & Technology Corporation | High-pressure discharge lamp, high-pressure discharge lamp apparatus, and light source |
| JP2002343304A (en) * | 2001-05-15 | 2002-11-29 | Toto Ltd | Anti-oxidation structure of high-intensity discharge lamp |
| WO2003083897A1 (en) * | 2002-03-29 | 2003-10-09 | Matsushita Electric Industrial Co., Ltd. | Discharge lamp and method for producing the same, and lamp unit |
-
1990
- 1990-01-12 JP JP505290A patent/JPH03210753A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999050887A1 (en) * | 1998-03-25 | 1999-10-07 | Toshiba Lighting & Technology Corporation | High-pressure discharge lamp, high-pressure discharge lamp apparatus, and light source |
| JP2002343304A (en) * | 2001-05-15 | 2002-11-29 | Toto Ltd | Anti-oxidation structure of high-intensity discharge lamp |
| WO2003083897A1 (en) * | 2002-03-29 | 2003-10-09 | Matsushita Electric Industrial Co., Ltd. | Discharge lamp and method for producing the same, and lamp unit |
| US7329992B2 (en) | 2002-03-29 | 2008-02-12 | Matsushita Electric Industrial Co., Ltd. | Discharge lamp, method for fabricating the same and lamp unit |
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