JP3206309B2 - High pressure discharge lamp - Google Patents
High pressure discharge lampInfo
- Publication number
- JP3206309B2 JP3206309B2 JP16869994A JP16869994A JP3206309B2 JP 3206309 B2 JP3206309 B2 JP 3206309B2 JP 16869994 A JP16869994 A JP 16869994A JP 16869994 A JP16869994 A JP 16869994A JP 3206309 B2 JP3206309 B2 JP 3206309B2
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- bottomed cylinder
- bulb
- pressure discharge
- branch
- 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.)
- Expired - Lifetime
Links
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】本発明はキセノンガスなどを内部
に高圧で封入した大電流型の高圧放電ランプに関する。BACKGROUND OF THE INVENTION This invention is internal and xenon gas
The present invention relates to a high-current high-pressure discharge lamp sealed at a high pressure .
【０００２】[0002]
【従来の技術】キセノンガスなどを、内部に高圧で封入
し、電極を支持するリード棒が封止部を貫通してなる石
英製バルブを有する放電ランプでは、封止部に膨張率の
異なる数種類のガラスを接続して金属とガラスを接合し
ている。この方法は一般的に段継ぎガラスシール法とよ
ばれて大電流型の放電ランプに使われている。しかし、
この段継ぎシール法は異種のガラスをつなぎ合わせるた
め加工技術が難しく、また不良の発生率が高くなる。2. Description of the Related Art In a discharge lamp having a quartz bulb in which xenon gas or the like is sealed at a high pressure inside and a lead rod for supporting an electrode penetrates a sealing portion, several types having different expansion coefficients are used in the sealing portion. The glass is connected to join the metal and the glass. This method is generally called a step glass sealing method and is used for a large current type discharge lamp. But,
This step-sealing method involves joining different kinds of glass, so that the processing technique is difficult, and the occurrence rate of defects increases.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、上記欠点を
解消するためになされたものであって、その目的とする
ところは、封止部を改善することによって製造能率の向
上やコストの低減を実現した放電ランプを提供すること
にある。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks, and an object of the present invention is to improve manufacturing efficiency and reduce costs by improving a sealing portion. It is an object of the present invention to provide a discharge lamp realizing the above.
【０００４】[0004]
【課題を解決するための手段】本発明の目的は、石英製
バルブとこのバルブの両側に枝管部を有し、該枝管部の
両端に封止部が形成され、該バルブ内に陽極と陰極が対
向配置され、該両電極を支持するリード棒が該封止部を
貫通し、該バルブ内にキセノンを含むガスを封入してな
る高圧放電ランプにおいて、前記封止部は、高融点金属
からなる有底シリンダーの底部に前記リード棒が貫通し
てろう材で接合されて、当該有底シリンダーの開口周縁
部がナイフエッジ状で前記枝管部の石英に溶着されて形
成されると共に、該有底シリンダー底部が前記枝管部よ
り露出してなり、前記有底シリンダーは、底部の厚さが
０．１ｍｍ以上で、かつ、側面の高さが１０ｍｍ以上と
することによって達成できる。SUMMARY OF THE INVENTION It is an object of the present invention to provide a quartz material.
A valve and a branch on both sides of the valve;
Sealing portions are formed at both ends, and an anode and a cathode are paired in the bulb.
And the lead rods supporting the electrodes are arranged in the sealing portion.
Xenon-containing gas inside the valve.
In the high-pressure discharge lamp, the sealing portion is made of a high melting point metal.
The lead rod penetrates the bottom of the bottomed cylinder consisting of
Around the opening of the bottomed cylinder
The part is knife-edge shaped and welded to the quartz of the branch pipe part.
And the bottom of the bottomed cylinder is
And the bottomed cylinder has a bottom thickness
It can be achieved when the height is 0.1 mm or more and the height of the side surface is 10 mm or more .
【０００５】[0005]
【０００６】[0006]
【作用】段継ぎガラスを使わず高融点金属の有底シリン
ダーを用い、有底シリンダーの寸法を規定することによ
り高温、高圧の放電ランプの封止部に使用する事ができ
る。By using a bottomed cylinder made of a high melting point metal without using a step glass, and by defining the dimensions of the bottomed cylinder, it can be used for the sealing portion of a high-temperature, high-pressure discharge lamp.
【０００７】[0007]
【実施例】以下に図面を参照して本発明の実施例を説明
する。図１は、従来の放電ランプの説明図、図２は本発
明に関係する放電ランプの説明図である。図１と図２
は、同符号で同等部分を示す。１はバルブで、２は枝管
部で、３はリード棒で、４は陽極で、５は陰極で、６は
接合部、７は段継ぎガラス部である。図３は、高融点金
属でできた有底シリンダー封止部を有する放電ランプの
要部の説明図である。図２において、１はバルブ、２は
バルブに連なる枝管部でその各両端部に封止部９があ
る。この封止部９は有底シリンダーを貫通してリード棒
３があり、その他端にはそれぞれ陽極４、陰極５が接続
されている。８は該リード棒３が貫通している高融点金
属板の支持部材で、１０は該支持部材８を固定している
高融点金属コイルである。図３において、Ｈは有底シリ
ンダーの側面の高さ、ｔは有底シリンダーの底部の厚さ
を示す。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view of a conventional discharge lamp, and FIG. 2 is an explanatory view of a discharge lamp related to the present invention. 1 and 2
Indicates the same parts with the same reference numerals. 1 is a bulb, 2 is a branch pipe part, 3 is a lead rod, 4 is an anode, 5 is a cathode, 6 is a joint, and 7 is a joint glass part. FIG. 3 is an explanatory diagram of a main part of a discharge lamp having a bottomed cylinder sealing portion made of a high melting point metal. In FIG. 2, 1 is a valve, 2 is a branch pipe part connected to the valve, and a sealing part 9 is provided at each end thereof. The sealing portion 9 has a lead rod 3 penetrating the bottomed cylinder, and the other end is connected to an anode 4 and a cathode 5, respectively. Reference numeral 8 denotes a high melting point metal plate supporting member through which the lead bar 3 passes, and reference numeral 10 denotes a high melting point metal coil to which the supporting member 8 is fixed. In FIG. 3, H indicates the height of the side surface of the bottomed cylinder, and t indicates the thickness of the bottom of the bottomed cylinder.
【０００８】図４は、底部の厚さｔを変えて製作した時
の有底シリンダーの変形状態を調べたデータの説明図で
ある。このデータによれば、該底面が０．１より薄くな
るとリード棒３とのろう付け時の高温のため該底面が変
形、あるいは重たい陽極４を支えられず破損してしま
う。FIG. 4 is an explanatory diagram of data obtained by examining a deformed state of a bottomed cylinder when the bottomed cylinder is manufactured with a changed bottom thickness t. According to this data, when the bottom surface is thinner than 0.1, the bottom surface is deformed due to the high temperature at the time of brazing with the lead bar 3 or the heavy anode 4 cannot be supported and is broken.
【０００９】図５は、側面の高さＨを変えて製作した時
の封止部状態を調べたデータの説明図である。このデー
タによれば、側面の高さが１０ｍｍ以下だとエッチング
がうまくいかない。すなわち、ナイフエッジが作られ
ず、シール後にクラックが発生したりリークを発生した
りする。FIG. 5 is an explanatory diagram of data obtained by examining the state of the sealing portion when the device is manufactured by changing the height H of the side surface. According to this data, if the height of the side surface is 10 mm or less, the etching is not successful. That is, a knife edge is not formed, and cracks or leaks occur after sealing.
【００１０】[0010]
【発明の効果】以上の説明から明らかなように、有底シ
リンダーの高さ及び底面の厚さを規定することにより、
作業工程中の高温や輸送中の振動に耐えられる品質の良
い高圧放電ランプができる。As is apparent from the above description, by defining the height of the bottomed cylinder and the thickness of the bottom surface,
A high- pressure discharge lamp of good quality that can withstand high temperatures during the working process and vibration during transportation can be obtained.
【図１】従来の放電ランプの説明図である。FIG. 1 is an explanatory diagram of a conventional discharge lamp.
【図２】本発明に関係する放電ランプの説明図である。FIG. 2 is an explanatory diagram of a discharge lamp related to the present invention.
【図３】本発明の放電灯の実施例の要部の説明図であ
る。FIG. 3 is an explanatory view of a main part of an embodiment of the discharge lamp of the present invention.
【図４】底部の厚さに関するデータの説明図である。FIG. 4 is an explanatory diagram of data on a thickness of a bottom portion.
【図５】高さに関するデータの説明図である。FIG. 5 is an explanatory diagram of data relating to height.
２ 枝管部 ３ リード棒 Ｈ 高さ ｔ 厚さ 2 Branch pipe part 3 Lead rod H Height t Thickness
Claims (1)
管部を有し、該枝管部の両端に封止部が形成され、該バ
ルブ内に陽極と陰極が対向配置され、該両電極を支持す
るリード棒が該封止部を貫通し、該バルブ内にキセノン
を含むガスを封入してなる高圧放電ランプにおいて、前記封止部は、高融点金属からなる有底シリンダーの底
部に前記リード棒が貫通してろう材で接合されて、当該
有底シリンダーの開口周縁部がナイフエッジ状で前記枝
管部の石英に溶着されて形成されると共に、該有底シリ
ンダー底部が前記枝管部より露出してなり、 前記有底シリンダーは、底部の厚さが０．１ｍｍ以上
で、かつ、側面の高さが１０ ｍｍ以上であることを特徴
とする高圧放電ランプ。1. A bulb made of quartz, and has a branch on both sides of the bulb. Seals are formed at both ends of the branch, and an anode and a cathode are arranged in the bulb so as to face each other. A lead rod supporting an electrode penetrates through the sealing portion, and xenon is contained in the bulb.
In a high-pressure discharge lamp filled with a gas containing , the sealing portion is a bottom of a bottomed cylinder made of a high melting point metal.
The lead rod penetrates the part and is joined with brazing material,
The edge of the bottomed cylinder opening is a knife edge and the branch
It is formed by welding to the quartz of the tube, and the bottomed silicon
Bottom part is exposed from the branch pipe part, and the bottomed cylinder has a bottom part thickness of 0.1 mm or more.
A high-pressure discharge lamp characterized in that the height of the side surface is 10 mm or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16869994A JP3206309B2 (en) | 1994-06-29 | 1994-06-29 | High pressure discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16869994A JP3206309B2 (en) | 1994-06-29 | 1994-06-29 | High pressure discharge lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0817399A JPH0817399A (en) | 1996-01-19 |
| JP3206309B2 true JP3206309B2 (en) | 2001-09-10 |
Family
ID=15872825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16869994A Expired - Lifetime JP3206309B2 (en) | 1994-06-29 | 1994-06-29 | High pressure discharge lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3206309B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA024813B1 (en) * | 2010-12-30 | 2016-10-31 | Мид Маунтин Матириалз, Инк. | Outlet seal for the cathode rods of an aluminium electrolytic cell |
| CA2878424C (en) | 2012-08-09 | 2020-03-24 | Mid Mountain Materials, Inc. | Seal assemblies for cathode collector bars |
-
1994
- 1994-06-29 JP JP16869994A patent/JP3206309B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0817399A (en) | 1996-01-19 |
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