JPH034439A - Metal halide lamp - Google Patents
Metal halide lampInfo
- Publication number
- JPH034439A JPH034439A JP13592789A JP13592789A JPH034439A JP H034439 A JPH034439 A JP H034439A JP 13592789 A JP13592789 A JP 13592789A JP 13592789 A JP13592789 A JP 13592789A JP H034439 A JPH034439 A JP H034439A
- Authority
- JP
- Japan
- Prior art keywords
- metal halide
- arc tube
- tube
- lamp
- halide 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
- 229910001507 metal halide Inorganic materials 0.000 title claims description 11
- 150000005309 metal halides Chemical class 0.000 title claims description 11
- 239000000919 ceramic Substances 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 11
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 150000001720 carbohydrates Chemical class 0.000 claims description 4
- 235000014633 carbohydrates Nutrition 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 238000001771 vacuum deposition Methods 0.000 claims description 2
- -1 Alternatively Chemical class 0.000 claims 1
- 229910052770 Uranium Inorganic materials 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229910052746 lanthanum Inorganic materials 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000011195 cermet Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005524 ceramic coating Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は透光性セラミック管を発光管材料と用いたメタ
ルハライドランプの改良に関し特に、ランプの始動を容
易にするために発光管外表面に付設される始動補助導体
の改良に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement in a metal halide lamp using a translucent ceramic tube as an arc tube material. This invention relates to improvements to the attached starting auxiliary conductor.
［従来の技術］
透光性セラミック管を発光管として用いる高圧ナトリウ
ムランプの始動電圧を下げるために。[Prior Art] To lower the starting voltage of a high-pressure sodium lamp that uses a translucent ceramic tube as an arc tube.
石英管を発光管として用いる一般の水銀ランプやメタル
ハライドランプのように発光管端部に主電極と共に補助
電極を封着して構成することは、製造上相当の困難を伴
う。It is quite difficult to manufacture the lamp by sealing the auxiliary electrode together with the main electrode at the end of the arc tube, as in general mercury lamps and metal halide lamps that use a quartz tube as the arc tube.
そこで、内部補助電極に変え１種々の発光管外部補助電
極が提案されている。Therefore, various types of arc tube external auxiliary electrodes have been proposed in place of the internal auxiliary electrodes.
又、透光性セラミック管の両端に導電性のタングステン
−アルミナサーメットよりなる端キャップを接着材を介
して封着し、内部に水銀及び希ガスと共に金属ハロケン
化物を封入したメタルハライドランプは高い発光効率と
、優れた演色性を有するランプとして、開発されている
。In addition, metal halide lamps, which have end caps made of conductive tungsten-alumina cermet sealed to both ends of a translucent ceramic tube via adhesive, and contain metal halide along with mercury and rare gases, have high luminous efficiency. It has been developed as a lamp with excellent color rendering properties.
更に、この種ランプも一般のメタルハライドランプと同
様に高い始動電圧を下げるために種々の工夫がなされて
いる。Furthermore, similar to general metal halide lamps, various measures have been taken to reduce the high starting voltage of this type of lamp.
［発明が解決しようとする課題］
そこで、セラミック製発光管の外周に耐熱性の高い細線
（Ｗ、Ｍｏ等）を巻きつけたり、発光管マウントにＷ線
等を溶接したりしているが、共に発光管マウン１−の組
み立てに手数がかかり作業性が低下する欠点があった。[Problem to be solved by the invention] Therefore, highly heat-resistant fine wire (W, Mo, etc.) is wound around the outer periphery of the ceramic arc tube, and W wire, etc. is welded to the arc tube mount. There is a drawback that the assembly of the arc tube mount 1- takes time and work efficiency is reduced.
又、巻きつける構造の場合発光管外周に耐熱性の高い細
線を均一にかつ再現性よく巻きつけることば困難であっ
た。In addition, in the case of a winding structure, it is difficult to wind a highly heat-resistant fine wire around the outer periphery of the arc tube uniformly and with good reproducibility.
［課題を解決するための手段］
本発明は前記に鑑みてなされてもので、セラミック製発
光管外表面上にＨｆ等の硼化物、Ｂ等の炭水化物あるい
はＡＱ等の窒化物である導電性セラミックの内の一種も
しくは二種以上を被着させて始動補助導体とすることに
より、前記欠点を除去するものである。[Means for Solving the Problems] The present invention has been made in view of the above, and includes a conductive ceramic containing a boride such as Hf, a carbohydrate such as B, or a nitride such as AQ on the outer surface of a ceramic arc tube. The above-mentioned drawbacks can be eliminated by depositing one or more of these as a starting aid conductor.
又、前記被着方法として、電子線加熱真空蒸着法等によ
って被着させるものである。Further, as the deposition method, electron beam heating vacuum evaporation method or the like is used.
そして、発光管マウントの組立作業の作業性を改善し、
発光管外表面に被着される始動補助導体を均一にかつ再
現性よく形成することができるばかりでなく、ランプの
始動電圧を容易に低下させることができる発光管外部始
動補助導体を有するランプを提供することができる。We also improved the workability of the arc tube mount assembly work,
A lamp having an external starting auxiliary conductor that not only allows the starting auxiliary conductor to be deposited on the outer surface of the arc tube to be formed uniformly and with good reproducibility, but also allows the starting voltage of the lamp to be easily lowered. can be provided.
［実施例及び作用〕 以下、本発明の実施例を第１図に基づき説明する。[Examples and effects] Embodiments of the present invention will be described below with reference to FIG.
図中１は透光性セラミック管よりなる発光管で両端には
導電性のタングステン−アルミナサーメットよりなる端
キャップ２ａ、２ｂが気密に封着されており、一方の端
キャップ２ａは接着材３ａを介し封着され他方の端キャ
ップ３ｂはセラミック管と一体的に焼結されている９各
端キヤンプにはコイル型の電極４ａ、４ｂが固定され、
更に管外には同じくリード棒５ａ、５ｂが固定されてい
る。また、管内には水銀及び希ガスと共番こ金属ハロゲ
ン化物が封入されている。In the figure, reference numeral 1 denotes an arc tube made of a translucent ceramic tube, and end caps 2a and 2b made of conductive tungsten-alumina cermet are hermetically sealed at both ends. The other end cap 3b is integrally sintered with the ceramic tube.9 Coil-shaped electrodes 4a, 4b are fixed to each end cap.
Furthermore, lead rods 5a and 5b are similarly fixed outside the tube. Further, a metal halide similar to mercury and a rare gas is sealed inside the tube.
６は発光管の一方の端部外周に設けられた金属製の保温
板である。Reference numeral 6 denotes a metal heat insulating plate provided around the outer periphery of one end of the arc tube.
そして、発光管の外表面には一方の電極４ｂと導電位に
なるように構成した後述する導電性のセラミックよりな
る始動補助導体が被着されている。A starting assisting conductor made of a conductive ceramic, which will be described later, is attached to the outer surface of the arc tube so as to have a conductive potential with one electrode 4b.
ここで前記導電性セラミックよりなる始動補助導体は、
耐熱性が高く蒸気圧が低いことが必要である。その材料
として、Ｈｆ、Ｍｏ、Ｎｂ。Here, the starting aid conductor made of conductive ceramic is
It is necessary to have high heat resistance and low vapor pressure. Its materials include Hf, Mo, and Nb.
Ｔａ、Ｔｉ、Ｖ、Ｚｒ、Ｌａの硼化物、Ｂ、［１ｆ ＋
Ｎ ｂ ＃ Ｓｌ、 Ｉ Ｔ ａ ｙ Ｔ ｉ＋ Ｕ
ｇ Ｖ ＋ Ｚ ｒの炭水化物、ＡＱ、Ｂ、Ｎｂ、Ｔ
ａ、ＴｉＩＵ＋Ｖ、Ｚｒの窒化物を用いるものである。Boride of Ta, Ti, V, Zr, La, B, [1f +
N b # Sl, I T a y T i+ U
g V + Z r carbohydrates, AQ, B, Nb, T
a, TiIU+V, Zr nitride is used.
そして、これらの硼化物、炭水化物、窒化物のうちの一
種もしくは二種以上を、電子線加熱真空蒸着法（ＥＢ蒸
着法）又はスパッタリング法等によって透光性セラミッ
ク管の外表面に被着させる。被着方法として、セラミッ
ク管の外表面に適当なマスクを設けておき線状の導電性
セラミック被膜の付着パターンを形成することができる
。Then, one or more of these borides, carbohydrates, and nitrides is deposited on the outer surface of the translucent ceramic tube by electron beam heating vacuum evaporation (EB evaporation), sputtering, or the like. As a deposition method, a suitable mask may be provided on the outer surface of the ceramic tube to form a linear conductive ceramic coating deposition pattern.
また、■ζＢ蒸着法等によって導電性セラミック被膜を
形成するので、その膜厚は比較的コントロールが容易で
ある。Furthermore, since the conductive ceramic film is formed by the ζB vapor deposition method, the film thickness can be controlled relatively easily.
更に、被膜の線輻も、マスクによりＯ，０１ｍ以下にす
ることができるので１発光管外表面に被１１８Ｋを形成
した。：とによる発光管より放射される光がさえぎられ
る影響は少ない、
また−度の被膜形成工程により多数の発光管に被膜を付
着することができるので生産性が高い。Furthermore, since the line radiation of the coating can be reduced to 0.01 m or less by using a mask, a coating of 118K was formed on the outer surface of the arc tube. : There is little effect of blocking the light emitted from the arc tube, and productivity is high because the coating can be applied to a large number of arc tubes by the second coating formation process.
そして、形成される被膜は均一性が高く、形状の再現性
もよく、かつ剥離等の恐れがない強固な外部補助導体を
得ることができる。The formed film has high uniformity, good reproducibility of shape, and it is possible to obtain a strong external auxiliary conductor with no fear of peeling.
［発明の効果］
以上の説明から明らかなように本発明に係るメタルハラ
イドランプは、比較的Ｍ単な構成により、発光管外表面
に膜厚、ＩＩｌ、ｍ等の形状が一定した導電性セラミッ
ク被膜をＥＢ蒸着法等により、形成することができ、そ
の均一性が高く、再現性も良好でかつ強固な外部補助導
体が得られる。[Effects of the Invention] As is clear from the above description, the metal halide lamp according to the present invention has a relatively simple configuration, and has a conductive ceramic coating on the outer surface of the arc tube with a constant thickness, IIl, m, etc. can be formed by an EB evaporation method or the like, and a strong external auxiliary conductor with high uniformity and good reproducibility can be obtained.
又、発光管マウントの組み立て作業が改善され、更に、
外部補助導体被膜が発光管外表面に密着して強固に形成
されているので、ランプの始動電圧低下が可能である等
の効果が認められる。In addition, the assembly work of the arc tube mount has been improved, and
Since the external auxiliary conductor coating is firmly formed in close contact with the outer surface of the arc tube, it is possible to reduce the starting voltage of the lamp.
４、図面の説明
第１図は本発明に係るメタルハライドランプの発光管の
一実施例を示す一部縦断側面図である。4. Description of the Drawings FIG. 1 is a partially longitudinal side view showing an embodiment of the arc tube of the metal halide lamp according to the present invention.
１・・・発光管、２ａ、２ｂ・・・導電性タングステン
−アルミナサーメツト製の端キャップ、３ａ・・・接着
材、４ａ、４ｂ−電極、５ａ、５ｂ−リード捧、６・・
・金属製保温板、７・・・始動補助導体。DESCRIPTION OF SYMBOLS 1... Arc tube, 2a, 2b... End cap made of conductive tungsten-alumina cermet, 3a... Adhesive, 4a, 4b-electrode, 5a, 5b-lead support, 6...
・Metal heat insulation plate, 7... Starting auxiliary conductor.
Claims (1)
Ｎｂ、Ｔａ、Ｔｉ、Ｖ、Ｚｒ、Ｌａの硼化物、Ｂ、Ｈｆ
、Ｎｂ、Ｓｉ、Ｔａ、Ｔｉ、Ｕ、Ｖ、Ｚｒの炭水化物、
あるいはＡｌ、Ｂ、Ｎｂ、Ｔａ、Ｔｉ、Ｕ、Ｖ、Ｚｒの
窒化物である導電性セラミックのうちの一種もしくは二
種以上を被着させ、これを始動補助導体とすることを特
徴とするメタルハライドランプ。 ２ 前記導電性セラミックのうちの一種もしくは二種以
上を電子線加熱真空蒸着法又はスパッタリング法によっ
て被着させてなる特許請求の範囲第１項記載のメタルハ
ライドランプ。[Claims] 1 Hf, Mo,
Nb, Ta, Ti, V, Zr, La boride, B, Hf
, Nb, Si, Ta, Ti, U, V, Zr carbohydrates,
Alternatively, metal halide is characterized in that it is coated with one or more types of conductive ceramics such as nitrides of Al, B, Nb, Ta, Ti, U, V, and Zr, and is used as a starting aid conductor. lamp. 2. The metal halide lamp according to claim 1, wherein one or more of the conductive ceramics are deposited by electron beam heating vacuum deposition or sputtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13592789A JPH034439A (en) | 1989-05-31 | 1989-05-31 | Metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13592789A JPH034439A (en) | 1989-05-31 | 1989-05-31 | Metal halide lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH034439A true JPH034439A (en) | 1991-01-10 |
Family
ID=15163106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13592789A Pending JPH034439A (en) | 1989-05-31 | 1989-05-31 | Metal halide lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034439A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1355345A1 (en) * | 2002-04-16 | 2003-10-22 | Osram-Sylvania Inc. | Integral starting aid for high intensity discharge lamps |
| WO2007063053A1 (en) * | 2005-12-01 | 2007-06-07 | Osram Gesellschaft mit beschränkter Haftung | High-pressure discharge lamp with improved starting ability |
| US8456087B2 (en) | 2008-07-10 | 2013-06-04 | Koninklijke Philips Electronics N.V. | High-pressure sodium vapor discharge lamp with hybrid antenna |
-
1989
- 1989-05-31 JP JP13592789A patent/JPH034439A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1355345A1 (en) * | 2002-04-16 | 2003-10-22 | Osram-Sylvania Inc. | Integral starting aid for high intensity discharge lamps |
| WO2007063053A1 (en) * | 2005-12-01 | 2007-06-07 | Osram Gesellschaft mit beschränkter Haftung | High-pressure discharge lamp with improved starting ability |
| US8456087B2 (en) | 2008-07-10 | 2013-06-04 | Koninklijke Philips Electronics N.V. | High-pressure sodium vapor discharge lamp with hybrid antenna |
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