JPS63218145A - High pressure sodium lamp - Google Patents
High pressure sodium lampInfo
- Publication number
- JPS63218145A JPS63218145A JP5056087A JP5056087A JPS63218145A JP S63218145 A JPS63218145 A JP S63218145A JP 5056087 A JP5056087 A JP 5056087A JP 5056087 A JP5056087 A JP 5056087A JP S63218145 A JPS63218145 A JP S63218145A
- Authority
- JP
- Japan
- Prior art keywords
- metal
- sealed
- lamp
- mercury
- pressure sodium
- 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
- 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 36
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 36
- 239000011734 sodium Substances 0.000 title claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 17
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 7
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 7
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 7
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052733 gallium Inorganic materials 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 4
- 238000009877 rendering Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 3
- 241001101998 Galium Species 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Discharge Lamp (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は高圧ナトリウムランプに関するものである。[Detailed description of the invention] Industrial applications The present invention relates to high pressure sodium lamps.
従来の技術
高圧ナトリウムランプは、高圧放電ランプの中で最も効
率が高いことから省エネルギーランプとして注目され、
水銀ランプにかわる光源として普及しつつある。と（に
、水銀ランプ用安定器で点灯可能な始動器内成形高圧ナ
トリウムランプの普及は著しい。Conventional technology High-pressure sodium lamps have the highest efficiency among high-pressure discharge lamps, so they have attracted attention as energy-saving lamps.
It is becoming popular as a light source to replace mercury lamps. In addition, high-pressure sodium lamps built into starters that can be lit using mercury lamp ballasts have become extremely popular.
高圧ナトリウムランプの発光管内には、発光物質である
ナトリウムのほかに、緩衝ガス用金属として水銀が添加
され、さらに始動用ガスとして通常キセノンガスが封入
されている。その光学特性は、例えば水銀ランプ４００
Ｗ用安定器で点灯可能な３６０Ｗ高圧ナトリウムランプ
では、ランプ効率は約１３２ｅｍ／Ｗと高いものの、平
均演色評価数Ｒａは２５、色温度Ｔｃは２０５０にと水
銀ランプのＲａ４０．Ｔｃ４０００Ｋに比べて低い。In addition to sodium, which is a luminescent substance, mercury is added as a buffer gas metal, and xenon gas is usually filled in the arc tube of a high-pressure sodium lamp as a starting gas. Its optical properties are, for example, mercury lamp 400
A 360W high-pressure sodium lamp that can be lit with a W ballast has a high lamp efficiency of about 132em/W, but the average color rendering index Ra is 25 and the color temperature Tc is 2050, which is lower than the Ra40 of a mercury lamp. Lower than Tc4000K.
かかる問題点を解決するために、点灯中のナトリウム蒸
気圧を高めて演色性を改善した演色改善形高圧ナトリウ
ムランプが実用されている。しかし、３６０Ｗ演色改善
形高圧ナトリウムランプを例にとると、平均演色評価数
Ｒａは６０と改善されているものの、色温度Ｔｃは２１
５０Ｋ、ランプ効率は約１１００ｅ／Ｗと低（、黄色味
の強い光色を呈する。In order to solve this problem, color rendering improved high pressure sodium lamps have been put into practical use, which improve color rendering by increasing the sodium vapor pressure during lighting. However, if we take a 360W color rendering improved high pressure sodium lamp as an example, although the average color rendering index Ra is improved to 60, the color temperature Tc is 21.
At 50K, the lamp efficiency is low (approximately 1100e/W) and exhibits a strong yellowish light color.
発明が解決しようとする問題点
一般の高圧ナトリウムランプだけでなく、演色性を改善
した高圧ナトリウムランプにおいても黄色味の強い光色
となるという問題点があった。Problems to be Solved by the Invention Not only general high-pressure sodium lamps but also high-pressure sodium lamps with improved color rendering have had the problem of producing a strong yellowish light color.
本発明はかかる問題点を解決するためになされたもので
、平均演色評価数Ｒａを４０以上かっ色温度を２３００
に以上に高めることにより黄色味の少ない白色光が得ら
れる高圧ナトリウムランプを提供するものである。The present invention was made to solve such problems, and has an average color rendering index Ra of 40 or more and a color temperature of 2300.
The object of the present invention is to provide a high-pressure sodium lamp that can obtain white light with less yellowish tinge by increasing the temperature to more than .
問題点を解決するための手段
本発明の高圧ナトリウムランプは、両端部に電極を設け
た発光管内に、発光物質としてのナトリウムと、緩衝ガ
ス用金属として水銀のほかに、ガリウム（Ｇａ） 、ビ
スマス（Ｂｉ）およびアンチモン（Ｓｂ）のうち少なく
とも１種を封入するとともに、前記発光管内に封入され
た金属の合計量は点灯中すべて蒸発する量になっている
構成を有するものである。Means for Solving the Problems The high-pressure sodium lamp of the present invention contains sodium as a luminescent substance and mercury as a buffer gas metal, as well as gallium (Ga) and bismuth, in an arc tube with electrodes at both ends. At least one of (Bi) and antimony (Sb) is sealed in the arc tube, and the total amount of metal sealed in the arc tube is such that it all evaporates during lighting.
作用
本発明によると、緩衝ガス用金属として水銀のみを使用
した高圧ナトリウムランプに比べて、短長例の発光スペ
クトルが増加するため、同じ電気特性のとき平均演色評
価数Ｒａと色温度Ｔｃが上昇する。Effects According to the present invention, compared to a high-pressure sodium lamp that uses only mercury as a buffer gas metal, the short and long emission spectra are increased, so the average color rendering index Ra and color temperature Tc are increased when the electric characteristics are the same. do.
実施例
第１図は本発明の一実施例である高圧ナトリウムランプ
の発光管の縦断面図である。Embodiment FIG. 1 is a longitudinal sectional view of an arc tube of a high-pressure sodium lamp which is an embodiment of the present invention.
第１図において、発光管１は多結晶アルミナからなり、
両端部には電極２，３がセラミックセメント（図示せず
）を用いて気密に封着されている。In FIG. 1, the arc tube 1 is made of polycrystalline alumina,
Electrodes 2 and 3 are hermetically sealed at both ends using ceramic cement (not shown).
発光管１の内径は８ 、０ ｍｍ 、重陽間距離は７５
ｍｍである。発光管１内には、ナトリウム５２ｕｇ、水
銀５．９１ｍｇ、キセノンガス２５０Ｔｏｒｒのほかに
、ガリウム、ビスマス、アンチモンが下表に示すとおり
の種々の組み合わせで封入されている。The inner diameter of arc tube 1 is 8.0 mm, and the distance between double positives is 75.
It is mm. Inside the arc tube 1, in addition to 52 ug of sodium, 5.91 mg of mercury, and 250 Torr of xenon gas, gallium, bismuth, and antimony are sealed in various combinations as shown in the table below.
そして、発光管１内に封入されたナトリウムと、水銀と
、ガリウム、ビスマスおよびアンチモンのうち歩な（と
も１種の物質との合計量は点灯中すべて蒸発する量にな
っている。The total amount of sodium, mercury, gallium, bismuth, and antimony (all of which are one type of substance) sealed in the arc tube 1 is such that it all evaporates during lighting.
（以 下 余 白 〉
かかるランプを水銀ランプ４００Ｗ用安定器で点灯試験
したとき、ランプ電圧が１３０Ｖになるよう必要に応じ
て発光管の両端部にタンタル（Ｔａ）からなる熱保護板
を付設した。(Left below) Heat protection plates made of tantalum (Ta) were attached to both ends of the arc tube as necessary so that the lamp voltage would be 130V when such a lamp was tested using a 400W mercury lamp ballast. .
点灯試験した各種ランプの諸特性を上表に示す。The characteristics of the various lamps tested are shown in the table above.
上表から明らかなように、緩衝ガス用金属として水銀の
ほかにガリウム、ビスマスおよびアンチモンのうち少な
（とも１種を封入した本発明実施例の高圧ナトリウムラ
ンプ（ｌＩ！ｌ１１〜階７）は、色温度Ｔｃが２３００
に、平均演色評価数Ｒａが４０以上であり、緩衝ガス用
金属として水銀のみを封入した従来の高圧ナトリウムラ
ンプ（嵐８）に比して、演色性が改善されていることが
わかる。As is clear from the above table, the high-pressure sodium lamps (lI!l11 to floor 7) of the present invention, in which mercury and at least one of gallium, bismuth, and antimony are sealed as buffer gas metals, Color temperature Tc is 2300
It can be seen that the average color rendering index Ra is 40 or more, and the color rendering properties are improved compared to the conventional high pressure sodium lamp (Arashi 8) in which only mercury is sealed as a buffer gas metal.
また、第２図〜第８図から明らかなように、本発明実施
例の高圧ナトリウムランプは従来の高圧ナトリウムラン
プに比してナトリウムのＤ線近傍の自己吸収幅が増加し
てナトリウムの蒸気圧が増大していることがわかる。Furthermore, as is clear from FIGS. 2 to 8, the high-pressure sodium lamp according to the embodiment of the present invention has an increased self-absorption width near the D line of sodium, compared to the conventional high-pressure sodium lamp, and the vapor pressure of sodium increases. It can be seen that is increasing.
さらに、かかるランプを各１灯ずつ５．５時間点灯−０
，５時間消灯のサイ、タルで点灯試験を行ったところ、
−船形ランプの定格寿命１２０００時間までの光束維持
率、ランプ電圧変化は、−膜形高圧ナトリウムランプと
ほぼ同等であった。Furthermore, one such lamp is lit for 5.5 hours -0
, When we conducted a lighting test on a barrel with the lights off for 5 hours,
- The luminous flux maintenance factor and lamp voltage change of the boat-shaped lamp up to its rated life of 12,000 hours were almost the same as - the membrane-shaped high-pressure sodium lamp.
また、始動用ガスとしてはキセノン、クリプトン、アル
ゴンおよびネオンのうち少なくとも１種のものを用いる
ことができるものである。Further, as the starting gas, at least one of xenon, krypton, argon, and neon can be used.
なお、発光管内に封入する金属の合計量はランプ効率の
低下しすぎを避けるために、点灯中すべて蒸発する量に
なっている。Note that the total amount of metal sealed in the arc tube is such that it will all evaporate during lighting to avoid excessive reduction in lamp efficiency.
発明の詳細
な説明したように、本発明は両端部に電極を設けた発光
管内に発光物質としてのナトリウムと、緩衝ガス用金属
として水銀のほかに、ガリウム、ビスマスおよびアンチ
モンのうち少な（とも１種を封入するとともに、前記発
光管内に封入された金属の合計量は点灯中すべて蒸発す
る量になっていることにより、ランプ効率の低下が少な
く、演色性２色温度を向上し得る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 described in detail, the present invention includes sodium as a luminescent material in an arc tube having electrodes at both ends, mercury as a buffer gas metal, and a small amount of gallium, bismuth, and antimony (both 1 and 1). A high-pressure sodium lamp in which the seeds are sealed and the total amount of metal sealed in the arc tube is such that all of it evaporates during lighting, thereby reducing lamp efficiency and improving two-color rendering temperature. This is something that can be provided.
第１図は本発明の一実施例である高圧ナトリウムランプ
の発光管を示す縦断面図、第２図〜第８図は本発明実施
例の高圧ナトリウムランプおよび従来の高圧ナトリウム
ランプを水銀ランプ４００Ｗ用安定器で点灯したときの
分光エネルギー分布を比較して示す図である。
１・・・・・・発光管、２，３・・・・・・電極。FIG. 1 is a vertical cross-sectional view showing the arc tube of a high-pressure sodium lamp which is an embodiment of the present invention, and FIGS. 2 to 8 show a high-pressure sodium lamp of the embodiment of the present invention, a conventional high-pressure sodium lamp, and a 400W mercury lamp. It is a figure which compares and shows the spectral energy distribution when lighting with a commercial ballast. 1... Arc tube, 2, 3... Electrode.
Claims (1)
のナトリウムと、緩衝ガス用金属として水銀のほかに、
ガリウム、ビスマスおよびアンチモンのうち少なくとも
１種を封入するとともに、前記発光管内に封入された金
属の合計量は点灯中すべて蒸発する量になっていること
を特徴とする高圧ナトリウムランプ。In addition to sodium as a luminescent substance and mercury as a buffer gas metal, there are
1. A high-pressure sodium lamp, characterized in that at least one of gallium, bismuth, and antimony is sealed in the arc tube, and the total amount of metal sealed in the arc tube is such that all of the metal evaporates during lighting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5056087A JPS63218145A (en) | 1987-03-05 | 1987-03-05 | High pressure sodium lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5056087A JPS63218145A (en) | 1987-03-05 | 1987-03-05 | High pressure sodium lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63218145A true JPS63218145A (en) | 1988-09-12 |
Family
ID=12862391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5056087A Pending JPS63218145A (en) | 1987-03-05 | 1987-03-05 | High pressure sodium lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63218145A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615275A1 (en) * | 1993-03-09 | 1994-09-14 | TUNGSRAM Részvénytársaság | High-pressure sodium vapor discharge lamp |
| AT502678B1 (en) * | 2006-03-24 | 2007-05-15 | Alvatec Alkali Vacuum Technolo | Vaporizing source for gas phase generation comprising Bi alloy containing alkali and/or alkali earth metal useful in production of organic light emitting diodes doped with Na and in photocathode production |
-
1987
- 1987-03-05 JP JP5056087A patent/JPS63218145A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0615275A1 (en) * | 1993-03-09 | 1994-09-14 | TUNGSRAM Részvénytársaság | High-pressure sodium vapor discharge lamp |
| AT502678B1 (en) * | 2006-03-24 | 2007-05-15 | Alvatec Alkali Vacuum Technolo | Vaporizing source for gas phase generation comprising Bi alloy containing alkali and/or alkali earth metal useful in production of organic light emitting diodes doped with Na and in photocathode production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100232590B1 (en) | Low-power & high-voltage discharging lamp | |
| US4253037A (en) | High-pressure sodium-vapor discharge lamp | |
| JPH11126580A (en) | Small type projection lamp | |
| JPS6037645A (en) | Metal vapor discharge lamp | |
| US4839565A (en) | High pressure double wall sodium arc tube and methods of operating such | |
| CA2201591C (en) | Metal-halide discharge lamp for photo-optical purposes | |
| US2687486A (en) | Gaseous discharge lamp | |
| JPS63218145A (en) | High pressure sodium lamp | |
| JPH0527221B2 (en) | ||
| JPH0120764Y2 (en) | ||
| US4755710A (en) | High-pressure sodium discharge lamp having reduced lamp voltage increase | |
| EP0004082B1 (en) | Method for energizing high pressure metal vapour discharge lamps | |
| JPS58214266A (en) | Metal halide lamp | |
| JPS632243A (en) | High-pressure sodium lamp | |
| JPS6361743B2 (en) | ||
| JPS6112334B2 (en) | ||
| JPH04301356A (en) | High pressure sodium lamp | |
| JPH054681Y2 (en) | ||
| JPS6123620B2 (en) | ||
| JPS5814524Y2 (en) | kouatsu sodium lamp | |
| JPS5929344A (en) | High pressure sodium lamp | |
| JPS6360504B2 (en) | ||
| JPS60264040A (en) | High pressure sodium lamp | |
| JPS6213791B2 (en) | ||
| JPS60220544A (en) | Metal halide lamp for dc lighting |