JPS624839B2 - - Google Patents
Info
- Publication number
- JPS624839B2 JPS624839B2 JP5567581A JP5567581A JPS624839B2 JP S624839 B2 JPS624839 B2 JP S624839B2 JP 5567581 A JP5567581 A JP 5567581A JP 5567581 A JP5567581 A JP 5567581A JP S624839 B2 JPS624839 B2 JP S624839B2
- Authority
- JP
- Japan
- Prior art keywords
- lighting tube
- lighting
- barium
- voltage
- metal vapor
- 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
Links
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 229910052788 barium Inorganic materials 0.000 claims description 21
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 21
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 16
- 229910052786 argon Inorganic materials 0.000 claims description 8
- 239000002305 electric material Substances 0.000 claims description 4
- 239000001307 helium Substances 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 4
- 230000032683 aging Effects 0.000 description 13
- 239000007789 gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 3
- 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 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 108091027981 Response element Proteins 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001507 metal halide Inorganic materials 0.000 description 2
- 150000005309 metal halides Chemical class 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- UUXFWHMUNNXFHD-UHFFFAOYSA-N barium azide Chemical compound [Ba+2].[N-]=[N+]=[N-].[N-]=[N+]=[N-] UUXFWHMUNNXFHD-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Description
【発明の詳細な説明】
本発明は点灯管に係り、特に高圧金属蒸気放電
灯の点灯に使用される点灯管の改良に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to lighting tubes, and more particularly to improvements in lighting tubes used for lighting high-pressure metal vapor discharge lamps.
蛍光ランプの起動素子として従来使用されてい
る点灯管は、例えば実公昭43−2244号公報に開示
されているように100Vタイプの蛍光ランプ用で
はバリウム、ランタンなどの活性剤を電極に被着
させアルゴンなどの希ガスの易放電気体を充填し
ており、200Vタイプの蛍光ランプ用では希ガス
あるいは希ガスと有機ガスとを充填している。従
来のこの種の点灯管をメタルハライドランプや高
圧ナトリウムランプなどの高圧金属蒸気放電灯の
起動素子として使用すると、従来のバリウムやラ
ンタンなどの活性剤を使用したものでは、2.5な
いし４mg程度の窒化バリウムBaN6を熱分解して
なる1.5ないし2.5mg程度の金属バリウムBaや電子
放射能の高いランタンLaを使用しているため
に、安定器から発生するキツク電圧が金属バリウ
ムの放電によりキツク電圧が低下し、上記高圧金
属蒸気放電灯用の起動により必要な1.5ないし
2kVの高いキツク電圧が得られず、そのため上記
高圧金属蒸気放電灯を点灯させることができなか
つた。また、アルゴンなどの希ガスや希ガスとプ
ロパンなどの有機ガスとを混合したガスを充填し
た点灯管を上記高圧金属蒸気放電灯の起動に使用
する場合には、点灯管の封入ガス圧を下げること
によつて高圧金属蒸気放電灯の起動に必要なキツ
ク電圧を得ることができるが、封入ガス圧を低く
すると、点灯管の放電開始電圧が300V近くまで
高くなり、点灯管の特性を安定させるためのエー
ジング工程においてエージング電圧を上記放電開
始電圧程度またはそれ以上に高くしなければなら
ず、しかも点灯管の放電開始電圧がエージング時
間が２分で258V、５分で240V、10分で220V、15
分で200V、20分で185V、30分で160Vという様に
不安定で所望の200V以下に安定するまでには相
当のエージング時間を必要とし、量産に不向きで
不安定な特性の点灯管になるという致命的な欠点
があつた。さらに、封入ガス圧が低いためにグロ
ー電流が少なく、したがつて点灯管の熱応動素子
が十分加熱されないから接点が閉止するまでの時
間が長くなるという欠点もあつた。 The lighting tube conventionally used as a starting element for fluorescent lamps is a 100V type fluorescent lamp whose electrodes are coated with an activator such as barium or lanthanum, as disclosed in Japanese Utility Model Publication No. 43-2244. The tube is filled with an easily dischargeable electrical substance such as argon, and for 200V type fluorescent lamps, it is filled with a rare gas or a rare gas and an organic gas. When a conventional lighting tube of this kind is used as a starting element for a high-pressure metal vapor discharge lamp such as a metal halide lamp or a high-pressure sodium lamp, the nitridation of about 2.5 to 4 mg is produced using a conventional activator such as barium or lanthanum. Because we use about 1.5 to 2.5 mg of barium Ba, which is made by thermally decomposing barium BaN 6 , and lanthanum La, which has high electron radioactivity, the kick voltage generated from the ballast is increased by the discharge of the metal barium. The required startup for high pressure metal vapor discharge lamps is reduced by 1.5 or above
A high kick voltage of 2 kV could not be obtained, and therefore the above-mentioned high-pressure metal vapor discharge lamp could not be lit. In addition, when using a lighting tube filled with a rare gas such as argon or a mixture of a rare gas and an organic gas such as propane to start the above-mentioned high-pressure metal vapor discharge lamp, the pressure of the filled gas in the lighting tube By lowering the voltage, it is possible to obtain the kick voltage required to start a high-pressure metal vapor discharge lamp, but if the filled gas pressure is lowered, the discharge starting voltage of the lighting tube increases to nearly 300V, which causes In the aging process to stabilize the characteristics, the aging voltage must be raised to the above discharge starting voltage or higher, and the firing voltage of the lighting tube is 258V for 2 minutes of aging, 240V for 5 minutes, 220V in 10 minutes, 15
200V in minutes, 185V in 20 minutes, and 160V in 30 minutes are unstable, and it takes a considerable amount of aging time to stabilize below the desired 200V, making it unsuitable for mass production and with unstable characteristics. It had a fatal flaw. Furthermore, since the filler gas pressure is low, the glow current is small, and therefore the thermal response element of the lighting tube is not sufficiently heated, resulting in a long time until the contact closes.
本発明は上記した欠点に鑑みてなされたもので
高圧金属蒸気放電灯の速かな起動をさせることが
でき、製造工程でのエージング時間が短く特性の
安定した改良された点灯管を提供することを目的
とする。 The present invention has been made in view of the above-mentioned drawbacks, and an object of the present invention is to provide an improved lighting tube that can quickly start up a high-pressure metal vapor discharge lamp, has short aging time in the manufacturing process, and has stable characteristics. With the goal.
以下に本発明の詳細を図示の一実施例を参照し
て説明する。第１図は本発明の一実施例の点灯管
を組込んだ高圧金属蒸気放電灯の点灯回路の一例
を示す回路図であつて、高圧金属蒸気放電灯の一
点鎖線で示す外管バルブ１内の発光管２内に設け
られた両主電極３および４の一方の主電極４の近
傍に始動補助極５が設けられており、上記主電極
４と補助極５との間に接続された電気抵抗６は補
助極５と他方の主電極３との間に常閉バイメタル
スイツチ７を介して接続されている電気抵抗８よ
りきわめて高い抵抗値を有している。そうして、
一方の主電極４と他方の主電極３との間には電気
抵抗９と直列に接続された本発明点灯管１０が上
記常閉バイメタルスイツチ７を介して接続されて
いる。前記した外管バルブ１の外部端子１１，１
２は安定器１３を介して外部交流電源１４に導電
的に接続されている。外部交流電源１４から一方
の主電極４と他方の主電極３との間に印加された
電圧は、常閉バイメタルスイツチ７が閉じており
上記したように電気抵抗６がきわめて高い抵抗値
であるので、主電極４と補助極５との間にほぼ電
源電圧に近い値で印加されるとともに、点灯管１
０と電気抵抗９との直列回路にも印加され、点灯
管１０の両電極間にグロー放電が発生し、点灯管
１０が動作して発光管２の主電極３，４間にキツ
ク電圧を与え、主放電が発生するようになつてい
る。主放電移行時には常閉バイメタルスイツチ７
は開放される。 The details of the invention will be explained below with reference to an illustrated embodiment. FIG. 1 is a circuit diagram showing an example of a lighting circuit for a high-pressure metal vapor discharge lamp incorporating a lighting tube according to an embodiment of the present invention. A starting auxiliary pole 5 is provided near one of the two main electrodes 3 and 4 provided in the arc tube 2, and is connected between the main electrode 4 and the auxiliary pole 5. The electrical resistor 6 has a much higher resistance value than the electrical resistor 8 connected between the auxiliary electrode 5 and the other main electrode 3 via the normally closed bimetallic switch 7. Then,
A lighting tube 10 of the present invention connected in series with an electrical resistor 9 is connected between one main electrode 4 and the other main electrode 3 via the normally closed bimetal switch 7. External terminals 11, 1 of the above-mentioned outer tube valve 1
2 is electrically conductively connected to an external AC power source 14 via a ballast 13. The voltage applied between the one main electrode 4 and the other main electrode 3 from the external AC power supply 14 is applied because the normally closed bimetal switch 7 is closed and the electrical resistance 6 has an extremely high resistance value as described above. , is applied between the main electrode 4 and the auxiliary electrode 5 at a value substantially close to the power supply voltage, and the lighting tube 1
0 and the electric resistance 9, a glow discharge occurs between the two electrodes of the lighting tube 10, the lighting tube 10 operates, and a kick voltage is applied between the main electrodes 3 and 4 of the lighting tube 2. , and a main discharge is generated. Normally closed bimetal switch 7 during main discharge transition
will be released.
本発明者は第１図に示すような高圧金属蒸気放
電灯の点灯回路の起動素子として使用され、上記
高圧金属蒸気放電灯に1.5ないし2kV程度の高い
キツク電圧を与え、しかも高圧金属蒸気放電灯を
点灯するための点灯所要時間の短く、エージング
工程でのエージング時間の短い点灯管を得るため
に試行錯誤を繰返した結果、第２図にその一実施
例を示す点灯管を開発した。第２図は第１図で示
す本発明一実施例の点灯管１０の一部切欠正面図
であつて、点灯管１０の円筒状ガラスで約1000mm
３の容積を持つ気密容器２１内にステム２２の内
部導入線２３，２４に保持され、後述する金属バ
リウムを被着されたバイメタルからなる熱応動素
子電極２５，２６が所定の放電間隙約１mmを保つ
て植立されており、一つの電極の表面積は約30mm2
である気密容器２１のステム２２の排気管２７か
ら気密容器２１の内部の空気を排気したのち、６
ないし15torr程度の圧力のアルゴンが易放電気体
として充填され、気密に封緘されて封緘端２８が
形成されている。熱応動素子電極２５，２６には
バリウムアザイドBaN6が２×10-3mg量被着され
ており、点灯管１０の排気の際に真空中の熱分解
によつて1.24×10-3mgの金属バリウムBa２９とな
つている。３０および３１は内部導入線２３，２
４と導電的に接続され点灯管１０の外部端子とな
つている外部導入線である。バイメタルからなる
熱応動素子電極２５，２６のそれぞれの先端には
電極のバイメタルの放電時の溶着を防止するた
め、たとえばタングステン丸棒の放電端子３２，
３３が電気溶接により固着されている。 The present inventor has discovered that a high-pressure metal vapor discharge lamp is used as a starting element in a lighting circuit for a high-pressure metal vapor discharge lamp as shown in FIG. As a result of repeated trial and error in order to obtain a lighting tube that requires a short lighting time and a short aging time during the aging process, we have developed a lighting tube, an example of which is shown in Figure 2. FIG. 2 is a partially cutaway front view of the lighting tube 10 according to the embodiment of the present invention shown in FIG.
Thermal-responsive element electrodes 25 and 26 made of bimetal coated with metal barium, which will be described later, are held in an airtight container 21 having a volume of 3 mm, and are held by internal lead-in wires 23 and 24 of a stem 22, with a predetermined discharge gap of about 1 mm. The surface area of one electrode is approximately 30mm 2
After exhausting the air inside the airtight container 21 from the exhaust pipe 27 of the stem 22 of the airtight container 21,
The sealed end 28 is filled with argon at a pressure of about 15 torr as an easily dischargeable electrical substance and hermetically sealed. The thermally responsive element electrodes 25 and 26 are coated with barium azide BaN 6 in an amount of 2×10 −3 mg, and 1.24×10 −3 is deposited by thermal decomposition in vacuum when the lighting tube 10 is evacuated. mg of metallic barium Ba29. 30 and 31 are internal lead-in lines 23, 2
4 and serves as an external terminal of the lighting tube 10. In order to prevent the bimetal of the electrodes from welding during discharge, a discharge terminal 32 of, for example, a tungsten round bar is attached to the tip of each of the thermally responsive element electrodes 25 and 26 made of bimetal.
33 is fixed by electric welding.
本発明者は電極に被着された金属バリウムの量
を変化させ、易放電気体として６ないし15torrの
アルゴンを充填して点灯管を多数製造し、電極に
被着された金属バリウムの量と従来使用されてい
る標準安定器を使用し180Vの印加電圧を加えた
とき高圧金属蒸気放電灯に印加されるキツク電
圧、両熱応動素子電極に被着された金属バリウム
が１×10-3mgとしたときの点灯管の両電極の接点
閉止に要する時間、および点灯管のエージング時
間を変化させたときの点灯管の放電開始電圧につ
いて試験した。 The present inventor manufactured a large number of lighting tubes by changing the amount of metallic barium deposited on the electrodes and filling them with 6 to 15 torr of argon as an easy-discharge electric material. The kick voltage applied to a high-pressure metal vapor discharge lamp when an applied voltage of 180V is applied using a conventionally used standard ballast, and the metal barium deposited on both thermoresponsive element electrodes is 1 × 10 -3 mg. Tests were conducted on the time required for the contacts between both electrodes of the lighting tube to close under these conditions, and the discharge starting voltage of the lighting tube when the aging time of the lighting tube was varied.
前記したように従来の点灯管では高圧金属蒸気
放電灯の起動に必要な1.5ないし2kV程度のキツ
ク電圧を得るために点灯管の封入ガス圧を下げる
と、点灯管の放電開始電圧を200V程度に低下さ
せるためのエージング時間が15分間程度を要し、
しかも放電開始電圧がエージング時間とともに変
化し不安定であつたが、本発明では放電開始電圧
はエージング前において180V程度で15分間のエ
ージングを行なつても160V程度、すなわち20V程
度の変化しか示さず、エージング時間が短縮さ
れ、安定した特性を示すことが判つた。さらに前
記した点灯管の電極に被着された金属バリウムの
被着量とキツク電圧、接点閉止に要する時間との
関係は、第３図の上記特性曲線図においてＡはキ
ツク電圧、Ｂは接点閉止に要する時間で示してあ
るが、第３図から明らかなように金属バリウム被
着量が1.0×10-3ないし3.0×10-2mgであると、キ
ツク電圧は約1.5ないし2.1kV、接点閉止に要する
時間は２ないし５秒であり、所望の高圧金属蒸気
放電灯用の点灯管が得られたのである。すなわ
ち、上記バリウム被着量が１×10-3mgより少なく
なると、キツク電圧は約2.5kVと高圧金属蒸気放
電灯の起動には十分であるが、バリウムによる電
子放射が不足してグロー電流が減少して、接点閉
止に要する時間が５秒より長くなり実用上長く時
間がかかつて不可である。また、バリウム被着量
が３×10-2mgよりも多くなると、接点閉止使間は
２秒以内と短かくはなるが、キツク電圧が高圧金
属蒸気の起動に必要な1.5kVより低くなつてしま
い不可である。そうして、バリウム被着量が３×
10-2mgより多くなつたときにキツク電圧が1.5kV
以下になるのは、点灯管の接点開放時に電極に付
着した余分の金属バリウムによる放電が発生し上
記キツク電圧を吸収して低下させるためと思われ
る。なお前記した実施例においては点灯管の両電
極がともにバイメタルからなる熱応動素子電極の
もので説明したが、本発明はこれに限るものでは
なく、片側の電極が固定極で他方の電極のみが熱
応動素子電極のものにおいても全く同様の効果を
示すものである。 As mentioned above, in conventional lighting tubes, lowering the gas pressure filled in the lighting tube in order to obtain the kick voltage of about 1.5 to 2kV required to start a high-pressure metal vapor discharge lamp lowers the discharge starting voltage of the lighting tube. It takes about 15 minutes for aging to drop to about 200V,
Moreover, the discharge starting voltage changed with the aging time and was unstable, but in the present invention, the discharge starting voltage shows only a change of about 160 V, that is, about 20 V even after aging for 15 minutes at about 180 V before aging. It was found that the aging time was shortened and the properties were stable. Furthermore, the relationship between the amount of metal barium deposited on the electrodes of the lighting tube, the kick voltage, and the time required for contact closure is as follows. In the characteristic curve diagram shown in FIG. It is shown in terms of the time required for closing, but as is clear from Figure 3, when the amount of metallic barium deposited is 1.0 × 10 -3 to 3.0 × 10 -2 mg, the kick voltage is approximately 1.5 to 2.1 kV, and the contact voltage is approximately 1.5 to 2.1 kV. The time required for closing was 2 to 5 seconds, and a desired lighting tube for a high-pressure metal vapor discharge lamp was obtained. In other words, when the amount of barium deposited is less than 1 x 10 -3 mg, the kick voltage is about 2.5 kV, which is sufficient to start the high-pressure metal vapor discharge lamp, but the electron emission due to barium is insufficient and the glow current is low. As a result, the time required for contact closure becomes longer than 5 seconds, which is a long time and is impossible in practice. Furthermore, when the amount of barium deposited exceeds 3 x 10 -2 mg, the contact closing time becomes shorter, less than 2 seconds, but the kick voltage becomes lower than the 1.5 kV required to start the high-pressure metal vapor. It cannot be put away. Then, the amount of barium deposited was 3×
The kick voltage is 1.5kV when the amount exceeds 10 -2 mg.
The reason for the following is thought to be that when the contacts of the lighting tube are opened, discharge occurs due to excess metal barium adhering to the electrodes, absorbing the above-mentioned kick voltage and lowering it. In the above embodiment, both electrodes of the lighting tube are thermally responsive element electrodes made of bimetal. However, the present invention is not limited to this, and one electrode may be a fixed electrode and only the other electrode may be a fixed electrode. However, the same effect is obtained even in the case of a thermally responsive element electrode.
本発明者の行なつた上記実験は点灯管易放電気
体としてアルゴンを充填した例で説明を行なつた
が、本発明者は易放電気体としてヘリウムおよび
アルゴンとヘリウムとの混合気体についても実験
を行なつた結果、電極に被着されている金属バリ
ウムが上記と同量であるときに所期の効果を得る
ことができた。 The above experiment conducted by the present inventor was explained using an example in which the lighting tube was filled with argon as the easy discharge electric body, but the present inventor also conducted experiments using helium and a mixed gas of argon and helium as the easy discharge electric body. As a result, the desired effect could be obtained when the amount of metallic barium deposited on the electrode was the same as above.
以上詳述したように、本発明は気密容器内に少
なくとも片側が熱応動素子からなる電極を具備し
易放電気体を充填してなるものにおいて、上記易
放電気体はアルゴンおよびまたはヘリウムからな
り、上記電極には1.0×10-3ないし3.0×10-2mgの
金属バリウムが被着されていることを特徴とする
点灯管であつて高圧ナトリウムランプやメタルハ
ライドランプなどの高圧金属蒸気放電灯の起動素
子として上記高圧金属蒸気放電灯の起動に必要で
かつ十分な1.5ないし2kVの高いキツク電圧を与
え、点灯所要時間が５秒以下の短時間で、しかも
点灯管のエージング工程における特性の安定が速
いすぐれた特性を有する点灯管を提供することが
できるという効果を有している。 As detailed above, the present invention provides an airtight container which is provided with an electrode on at least one side of which is a thermally responsive element and is filled with an easily dischargeable electric material, wherein the easily dischargeable electric material is made of argon and/or helium, Starting of a high-pressure metal vapor discharge lamp such as a high-pressure sodium lamp or a metal halide lamp, which is a lighting tube whose electrodes are coated with 1.0×10 -3 to 3.0×10 -2 mg of metallic barium. As an element, it provides a high kick voltage of 1.5 to 2 kV, which is necessary and sufficient for starting the above-mentioned high-pressure metal vapor discharge lamp, has a short lighting time of 5 seconds or less, and has stable characteristics during the aging process of the lighting tube. This has the advantage of being able to provide a lighting tube that is fast and has excellent characteristics.
第１図は本発明の一実施例の点灯管を組込んだ
高圧金属蒸気放電灯の点灯回路の一例を示す回路
図、第２図は第１図で示す本発明一実施例の点灯
管の一部切欠正面図、第３図は点灯管の電極に被
着された金属バリウムの被着量とキツク電圧、接
点閉止に要する時間との関係を示す特性曲線図で
ある。
１０…点灯管、２１…気密容器、２５，２６…
熱応動素子電極、２９…金属バリウム。
FIG. 1 is a circuit diagram showing an example of a lighting circuit for a high-pressure metal vapor discharge lamp incorporating a lighting tube according to an embodiment of the present invention, and FIG. FIG. 3, which is a partially cutaway front view of the tube, is a characteristic curve diagram showing the relationship between the amount of metal barium deposited on the electrode of the lighting tube, the kick voltage, and the time required for contact closure. 10... Lighting tube, 21... Airtight container, 25, 26...
Thermal response element electrode, 29...metallic barium.
Claims (1)
らなる電極を具備し、易放電気体を充填してなる
ものにおいて、上記易放電気体はアルゴンおよび
またはヘリウムからなり、上記電極には1.0×
10-3ないし3.0×10-2mgの金属バリウムが被着さ
れていることを特徴とする高圧金属蒸気放電灯用
点灯管。1 In an airtight container, at least one side of which is equipped with an electrode consisting of a thermally responsive element, and filled with an easily dischargeable electric material, the easily dischargeable electric object is made of argon and/or helium, and the above electrode has a 1.0×
A lighting tube for a high-pressure metal vapor discharge lamp, characterized in that it is coated with 10 -3 to 3.0×10 -2 mg of metallic barium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5567581A JPS57172694A (en) | 1981-04-15 | 1981-04-15 | Ignition tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5567581A JPS57172694A (en) | 1981-04-15 | 1981-04-15 | Ignition tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57172694A JPS57172694A (en) | 1982-10-23 |
| JPS624839B2 true JPS624839B2 (en) | 1987-02-02 |
Family
ID=13005450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5567581A Granted JPS57172694A (en) | 1981-04-15 | 1981-04-15 | Ignition tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57172694A (en) |
-
1981
- 1981-04-15 JP JP5567581A patent/JPS57172694A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57172694A (en) | 1982-10-23 |
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