JPH04233153A - Both-base type high pressure sodium lamp - Google Patents
Both-base type high pressure sodium lampInfo
- Publication number
- JPH04233153A JPH04233153A JP40905290A JP40905290A JPH04233153A JP H04233153 A JPH04233153 A JP H04233153A JP 40905290 A JP40905290 A JP 40905290A JP 40905290 A JP40905290 A JP 40905290A JP H04233153 A JPH04233153 A JP H04233153A
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- getter
- light emitting
- pressure sodium
- tube
- 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.)
- Granted
Links
- 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 title claims abstract description 18
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 18
- 239000011734 sodium Substances 0.000 title claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 4
- 239000001257 hydrogen Substances 0.000 abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052753 mercury Inorganic materials 0.000 abstract description 3
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 3
- 239000011733 molybdenum Substances 0.000 abstract description 3
- ZSJFLDUTBDIFLJ-UHFFFAOYSA-N nickel zirconium Chemical compound [Ni].[Zr] ZSJFLDUTBDIFLJ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052786 argon Inorganic materials 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- NDUKHFILUDZSHZ-UHFFFAOYSA-N [Fe].[Zr] Chemical compound [Fe].[Zr] NDUKHFILUDZSHZ-UHFFFAOYSA-N 0.000 description 1
- DNXNYEBMOSARMM-UHFFFAOYSA-N alumane;zirconium Chemical compound [AlH3].[Zr] DNXNYEBMOSARMM-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は両端に口金を有する高圧
ナトリウムランプに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-pressure sodium lamp having caps at both ends.
【０００２】0002
【従来の技術】高圧ナトリウムランプは、水銀ランプと
比較して約２倍の効率を有するところから、省エネルギ
ー光源として普及しつつある。2. Description of the Related Art High-pressure sodium lamps are becoming popular as energy-saving light sources because they have about twice the efficiency as mercury lamps.
【０００３】通常の高圧ナトリウムランプは、耐ナトリ
ウム製の多結晶アルミナからなる発光管とこれを囲む外
管とを備え、外管内は高真空に保たれている。A typical high-pressure sodium lamp includes an arc tube made of sodium-resistant polycrystalline alumina and an outer tube surrounding the arc tube, and the inside of the outer tube is maintained at a high vacuum.
【０００４】しかし、通常の高圧ナトリウムランプでは
、例えば４００Ｗの場合、外管の直径が１２０ｍｍと大
きいために、器具も大きくなり、また片口金形のために
、消灯直後の再始動が困難である。However, in the case of a normal high-pressure sodium lamp of 400 W, for example, the diameter of the outer tube is as large as 120 mm, making the device large, and the single-cap shape makes it difficult to restart the lamp immediately after turning off. .
【０００５】このような問題を解決するために、外管と
して例えば４００Ｗで直径２２ｍｍの石英ガラスを用い
た両口金形の高圧ナトリウムランプが開発され、実用に
供されるようになってきた。[0005] In order to solve these problems, a double-cap type high-pressure sodium lamp using, for example, 400 W quartz glass with a diameter of 22 mm as an outer bulb has been developed and put into practical use.
【０００６】両口金形高圧ナトリウムランプでは、図３
に示すように、先端に電極（図示せず）を有する導電体
２，３を両端に備えた発光管１を内蔵する外管８の両端
に口金１１，１２を設けているため、高電圧を印加する
ことが可能であり、そのためランプを消灯直後、再始動
させることが可能である。In a double-capped high-pressure sodium lamp, FIG.
As shown in FIG. 2, caps 11 and 12 are provided at both ends of an outer tube 8 that houses a luminous tube 1 that is equipped with conductors 2 and 3 at both ends that have electrodes (not shown) at their ends. It is therefore possible to restart the lamp immediately after extinguishing it.
【０００７】しかし、両口金形高圧ナトリウムランプで
は、外管８の材質に石英ガラスを使用しているために、
ランプ点灯中に水素が、外管８外から石英ガラスを透過
してその内部に侵入し、さらに導電体２，３を通して発
光管１内に侵入する結果、ランプの始動電圧が上昇する
という問題があった。However, in the double-capped high-pressure sodium lamp, since quartz glass is used as the material for the outer tube 8,
During lamp lighting, hydrogen penetrates into the interior of the outer bulb 8 through the quartz glass, and further enters the arc tube 1 through the conductors 2 and 3, resulting in an increase in the lamp starting voltage. there were.
【０００８】[0008]
【発明が解決しようとする課題】従来、この始動電圧の
上昇を抑制するため、ジルコニウムを主体とするゲッタ
１６を外管８内に設けて水素を吸着させている。このゲ
ッタは、一端を発光管１の石英ガラスに埋め込んだ支持
線１７に保持させるか、または発光管支持部品に固着さ
せている。Conventionally, in order to suppress this increase in starting voltage, a getter 16 mainly made of zirconium has been provided in the outer tube 8 to adsorb hydrogen. This getter has one end held by a support wire 17 embedded in the quartz glass of the arc tube 1, or is fixed to an arc tube support component.
【０００９】しかし、このような保持構造は、煩雑であ
り、ランプのコスト上昇の原因になっている。However, such a holding structure is complicated and causes an increase in the cost of the lamp.
【００１０】なお、図３において、５は導電線、６，７
は支柱、９，１０は箔をそれぞれ示す。In FIG. 3, 5 is a conductive wire, 6, 7
9 and 10 indicate a support column and foils, respectively.
【００１１】[0011]
【課題を解決するための手段】本発明の両口金形高圧ナ
トリウムランプは、石英ガラスからなる外管内に設けら
れた発光管の両端に、先端に電極を有する導電体を備え
、前記導電体の発光管外外周部にジルコニウムを含有す
るリング状ゲッタを貫通保持したものである。[Means for Solving the Problems] A double-capped high-pressure sodium lamp of the present invention is provided with a conductor having an electrode at its tip at both ends of an arc tube provided in an outer bulb made of quartz glass, A ring-shaped getter containing zirconium is held through the outer periphery of the arc tube.
【００１２】0012
【作用】かかる構成によると、リング状ゲッタは、一定
の位置に保持されるとともに、ランプ点灯中、導電体か
らの熱伝導により、ゲッタ温度が適正に保たれるために
、水素の吸着が良好となる。[Operation] According to this configuration, the ring-shaped getter is held in a fixed position, and the getter temperature is maintained at an appropriate level by heat conduction from the conductor while the lamp is lit, so that hydrogen adsorption is good. becomes.
【００１３】[0013]
【実施例】図２において、発光管１は内径６．０ｍｍ，
外径７．４ｍｍ，全長６６ｍｍの多結晶アルミナからな
り、その内部にはナトリウム４．３ｍｇ，水銀１５．７
ｍｇおよび始動用ガスとしてキセノンが２．７×１０３
Ｐａ封入されている。発光管１の両端にはニオビウムと
１．５％ジルコニウムからなる外径３ｍｍ，内径２．５
ｍｍの管状の導電体２，３が設けられている。導電体２
，３の先端には電極１４，１５がそれぞれ設けられてい
る。発光管１と導電体２，３とは耐ナトリウム性を有す
るフリット（図１参照）により気密に封着されている。
図１に示すように、導電体２の発光管外外周部には内径
３．２ｍｍ，外径５．６ｍｍ，幅２．３ｍｍのリング状
のジルコニウム−ニッケル（Ｚｒ２Ｎｉ）からなるゲッ
タ４が貫通保持されている。導電体２，３の内部には、
直径２ｍｍのモリブデンからなる支柱６，７の一端側が
それぞれ挿入されて、発光管１を固定している。支柱６
，７の他端側は、外管８の石英ガラスにピンチシールさ
れて固定されているとともに、数十ミクロンの薄いモリ
ブデンからなる箔９，１０を介して口金１１，１２にそ
れぞれ接続されている。
導電体２と支柱６とは導電線５により接続されている。
そのため、ゲッタ４は導電体２から外れることはない。
導電体３と支柱７とは導電線１３により接続されている
。外管８内には、アルゴンガスが１気圧封入されている
。かかるランプをランプ入力１５０Ｗで点灯すると、ゲ
ッタ４の温度は４１０〜５２０℃となり、ゲッタの動作
温度として、ほぼ最適になる。[Example] In Fig. 2, the arc tube 1 has an inner diameter of 6.0 mm,
Made of polycrystalline alumina with an outer diameter of 7.4 mm and a total length of 66 mm, the interior contains 4.3 mg of sodium and 15.7 mg of mercury.
mg and xenon as starting gas 2.7 x 103
Pa is included. Both ends of the arc tube 1 are made of niobium and 1.5% zirconium and have an outer diameter of 3 mm and an inner diameter of 2.5 mm.
mm tubular conductors 2, 3 are provided. Conductor 2
, 3 are provided with electrodes 14 and 15, respectively. The arc tube 1 and the conductors 2 and 3 are hermetically sealed with a sodium-resistant frit (see FIG. 1). As shown in FIG. 1, a ring-shaped getter 4 made of zirconium-nickel (Zr2Ni) with an inner diameter of 3.2 mm, an outer diameter of 5.6 mm, and a width of 2.3 mm is penetrated and held on the outer periphery of the arc tube of the conductor 2. has been done. Inside the conductors 2 and 3,
One end side of columns 6 and 7 made of molybdenum and having a diameter of 2 mm are inserted to fix the arc tube 1. Pillar 6
, 7 are pinch-sealed and fixed to the quartz glass of the outer tube 8, and are connected to caps 11 and 12 through thin molybdenum foils 9 and 10 of several tens of microns, respectively. . The conductor 2 and the pillar 6 are connected by a conductive wire 5. Therefore, getter 4 does not come off from conductor 2. The conductor 3 and the pillar 7 are connected by a conductive wire 13. Argon gas is sealed in the outer tube 8 at a pressure of 1 atmosphere. When such a lamp is turned on with a lamp input of 150 W, the temperature of the getter 4 becomes 410 to 520° C., which is almost the optimum operating temperature of the getter.
【００１４】かかるランプを１０灯製作し、ランプ入力
１５０Ｗで５．５時間点灯、０．５時間消灯のサイクル
で１２０００時間点灯した。点灯試験開始前のランプは
、すべて１４００〜１６００Ｖ、平均１５２０Ｖで始動
した。１２０００時間点灯後の始動電圧は１３５０〜１
６００Ｖ、平均１４８０Ｖと点灯試験前のランプとほぼ
同じであった。[0014] Ten such lamps were manufactured and were lit for 12,000 hours at a lamp input of 150 W in a cycle of 5.5 hours on and 0.5 hours off. Before starting the lighting test, all lamps were started at 1400 to 1600V, with an average of 1520V. The starting voltage after 12,000 hours of lighting is 1,350 to 1
600V, average 1480V, almost the same as the lamp before the lighting test.
【００１５】なお、上記実施例ではゲッタ４を導電体２
にだけ貫通保持した場合について説明したが、導電体２
，３の両方に貫通保持してもよい。In the above embodiment, the getter 4 is connected to the conductor 2.
Although we have explained the case where the conductor is held through only the conductor 2,
, 3 may be held through.
【００１６】また、ゲッタとしてはジルコニウム−アル
ミニウム（Ｚｒ５Ａｌ３−Ｚｒ５Ａｌ４−Ｚｒ３Ａｌ２
）のほかに、ジルコニウム−鉄（Ｚｒ２Ｆｅ）、ジルコ
ニウム−ニッケル（Ｚｒ２Ｎｉ）等も使用することがで
きる。Further, as a getter, zirconium-aluminum (Zr5Al3-Zr5Al4-Zr3Al2
), zirconium-iron (Zr2Fe), zirconium-nickel (Zr2Ni), etc. can also be used.
【００１７】[0017]
【発明の効果】以上説明したように、本発明は石英ガラ
スからなる外管内に設けられた発光管の両端に、先端に
電極を有する導電体を備え、前記導電体の発光管外外周
部にジルコニウムを含有するリング状ゲッタを貫通保持
することにより、動程中安定した始動特性を示し、かつ
構成が簡単でコストの安い両口金形高圧ナトリウムラン
プを提供することができるものである。As explained above, the present invention includes a conductor having an electrode at the tip at both ends of an arc tube provided in an outer bulb made of quartz glass, and a conductor having an electrode on the outer circumference of the arc tube. By penetrating and holding a ring-shaped getter containing zirconium, it is possible to provide a double-end high-pressure sodium lamp that exhibits stable starting characteristics during operation, is simple in construction, and is inexpensive.
【図１】本発明の一実施例である両口金形高圧ナトリウ
ムランプの要部拡大断面図[Fig. 1] An enlarged cross-sectional view of the main parts of a double-capped high-pressure sodium lamp that is an embodiment of the present invention.
【図２】本発明の一実施例である両口金形高圧ナトリウ
ムランプの正面図[Fig. 2] Front view of a double-capped high-pressure sodium lamp which is an embodiment of the present invention.
【図３】従来の両口金形高圧ナトリウムランプの正面図
[Figure 3] Front view of a conventional double-capped high-pressure sodium lamp
１ 発光管 ２ 導電体 ３ 導電体 ４ ゲッタ ５ 導電線 ８ 外管 １０ 口金 １２ 口金 １３ 導電線 1 Arc tube 2 Conductor 3 Conductor 4 Getter 5 Conductive wire 8 Outer tube 10 Base 12 Base 13 Conductive wire
Claims (1)
光管の両端に、先端に電極を有する導電体を備え、前記
導電体の発光管外外周部にジルコニウムを含有するリン
グ状ゲッタを貫通保持したことを特徴とする両口金形高
圧ナトリウムランプ。[Claim 1] A conductor having an electrode at the tip is provided at both ends of an arc tube provided in an outer tube made of quartz glass, and a ring-shaped getter containing zirconium is passed through the outer periphery of the arc tube of the conductor. A double-capped high-pressure sodium lamp characterized by the fact that it holds
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40905290A JP2865215B2 (en) | 1990-12-28 | 1990-12-28 | Double-necked high-pressure sodium lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40905290A JP2865215B2 (en) | 1990-12-28 | 1990-12-28 | Double-necked high-pressure sodium lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04233153A true JPH04233153A (en) | 1992-08-21 |
| JP2865215B2 JP2865215B2 (en) | 1999-03-08 |
Family
ID=18518430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40905290A Expired - Fee Related JP2865215B2 (en) | 1990-12-28 | 1990-12-28 | Double-necked high-pressure sodium lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2865215B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003015126A1 (en) * | 2001-08-03 | 2003-02-20 | Koninklijke Philips Electronics N.V. | High-pressure discharge lamp and method of manufacturing it |
| WO2002089174A3 (en) * | 2001-05-01 | 2003-02-27 | Koninkl Philips Electronics Nv | Discharge lamp |
| WO2006090423A1 (en) * | 2005-02-23 | 2006-08-31 | Saes Getters S.P.A. | High pressure discharge lamp containing a getter device |
| JP2009541928A (en) * | 2006-06-19 | 2009-11-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Discharge lamp |
-
1990
- 1990-12-28 JP JP40905290A patent/JP2865215B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002089174A3 (en) * | 2001-05-01 | 2003-02-27 | Koninkl Philips Electronics Nv | Discharge lamp |
| EP1386344A2 (en) * | 2001-05-01 | 2004-02-04 | Koninklijke Philips Electronics N.V. | Discharge lamp |
| WO2003015126A1 (en) * | 2001-08-03 | 2003-02-20 | Koninklijke Philips Electronics N.V. | High-pressure discharge lamp and method of manufacturing it |
| WO2006090423A1 (en) * | 2005-02-23 | 2006-08-31 | Saes Getters S.P.A. | High pressure discharge lamp containing a getter device |
| US7994720B2 (en) | 2005-02-23 | 2011-08-09 | Saes Getters S.P.A. | High pressure discharge lamp containing a getter device |
| JP2009541928A (en) * | 2006-06-19 | 2009-11-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Discharge lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2865215B2 (en) | 1999-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |