JPH053702B2 - - Google Patents
Info
- Publication number
- JPH053702B2 JPH053702B2 JP59242949A JP24294984A JPH053702B2 JP H053702 B2 JPH053702 B2 JP H053702B2 JP 59242949 A JP59242949 A JP 59242949A JP 24294984 A JP24294984 A JP 24294984A JP H053702 B2 JPH053702 B2 JP H053702B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- auxiliary electrode
- indium
- lamp
- length
- 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
- 229910052738 indium Inorganic materials 0.000 claims description 19
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 18
- 239000011521 glass Substances 0.000 claims description 13
- 239000000941 radioactive substance Substances 0.000 claims description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 13
- 229910000497 Amalgam Inorganic materials 0.000 description 9
- 230000004907 flux Effects 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910052753 mercury Inorganic materials 0.000 description 6
- 239000012857 radioactive material Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910052693 Europium Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000645 Hg alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- MPZNMEBSWMRGFG-UHFFFAOYSA-N bismuth indium Chemical compound [In].[Bi] MPZNMEBSWMRGFG-UHFFFAOYSA-N 0.000 description 1
- RRTQFNGJENAXJJ-UHFFFAOYSA-N cerium magnesium Chemical class [Mg].[Ce] RRTQFNGJENAXJJ-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- DXNVUKXMTZHOTP-UHFFFAOYSA-N dialuminum;dimagnesium;barium(2+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Mg+2].[Mg+2].[Al+3].[Al+3].[Ba+2].[Ba+2] DXNVUKXMTZHOTP-UHFFFAOYSA-N 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- -1 europium-activated yttrium oxide phosphor Chemical class 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 150000002471 indium Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
- H01J61/545—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Discharge Lamp (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、電球と直接代替しうるコンパクトな
螢光ランプに関するもので、特にこのランプのう
ちアマルガム合金によつて水銀の蒸気圧を制御す
る構造の螢光ランプに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a compact fluorescent lamp that can directly replace a light bulb. It relates to fluorescent lamps.
従来例の構成とその問題点
螢光ランプは、白熱電球に比較して高効率・長
寿命であるので、互換性を満足するように設計さ
れれば、大きな電力節減が可能となり、経済的効
果が大きい。この観点から、最近、ガラス管を１
回以上折り曲げてコンパクトな形状の発光管と
し、この発光管を安定器、点灯管、外管および電
球口金と共に一体化構造とした螢光ランプが実用
化されている。ところが、このような螢光ランプ
においては外管内に発光管となるダブルＵ形螢光
管や安定器等を組込むため、これらからの熱放散
により内部の温度が上昇し発光効率が大幅に低下
する。Conventional configurations and their problems Fluorescent lamps have higher efficiency and longer lifespan than incandescent lamps, so if they are designed to satisfy compatibility, it will be possible to save a lot of power and have economical effects. is large. From this point of view, recently, glass tubes have been
Fluorescent lamps have been put into practical use in which the arc tube is bent several times to form a compact arc tube, and the arc tube is integrated with a ballast, a lighting tube, an outer bulb, and a lamp cap. However, since such fluorescent lamps incorporate a double U-shaped fluorescent tube and ballast inside the outer bulb, heat dissipation from these causes the internal temperature to rise and the luminous efficiency to decrease significantly. .
温度の上昇にもかかわらず、水銀蒸気圧を1Pa
前後に保ち、光出力の低下を防ぐ公知の手段は、
水銀をアマルガム状態で使うことである。ところ
が、この構造の螢光ランプは、相当広い温度範囲
で水銀蒸気が1Pa前後に安定する特長を持つてい
る反面、消灯中は常温でもアマルガムを備えない
螢光ランプに比べ水銀の蒸気圧が低くなり過ぎて
ランプ内に設けられているアマルガム合金から水
銀が放出されるには、熱的慣性のため始動後かな
りの時間遅れが生じるので、点灯直後の光束立上
りに要する時間（正常光束への到達速度）がきわ
めて長い。これを改良するために点灯直後に水銀
蒸気を素早く発生させて、光束の立上りを助ける
補助極を電極発熱を利用すべくフイラメント近傍
に設ける構造が普通採られている。 Despite the increase in temperature, the mercury vapor pressure remains at 1Pa
Known means to maintain the front and back and prevent a drop in light output are:
It involves using mercury in an amalgam state. However, although fluorescent lamps with this structure have the characteristic that mercury vapor is stable at around 1 Pa over a fairly wide temperature range, when the lamp is off, the vapor pressure of mercury is lower than that of fluorescent lamps without amalgam even at room temperature. In order for mercury to be released from the amalgam alloy in the lamp, there will be a considerable time delay after starting due to thermal inertia. speed) is extremely long. To improve this, a structure is usually adopted in which mercury vapor is quickly generated immediately after lighting, and an auxiliary electrode is provided near the filament to utilize electrode heat generation to help the rise of the luminous flux.
その構造は、ステンレス・ラス板を折り曲げ
て、内部に１〜1.5mgのインジウム粒を包み込ん
だもの、あるいはモリブデン板上にインジウムを
施したもの等が知られている。しかし、前者の場
合はインジウムの露出面積が小さいので、合金を
形成する水銀の量も少ないため、立上り時間も稍
長く、製造工程も繁雑であり価格が高い。また、
後者の場合は、インジウムの露出面積は十分であ
るが、その溶融温度が156℃と低いことから、ラ
ンプ点灯中の電極の温度により粘性が小さくな
り、微小振動によりインジウムが基板上より滑り
落ちる危険性がある。 Known structures include one in which a stainless steel lath plate is bent and 1 to 1.5 mg of indium grains wrapped inside it, or one in which indium is applied to a molybdenum plate. However, in the former case, since the exposed area of indium is small, the amount of mercury forming the alloy is also small, so the rise time is a little long, the manufacturing process is complicated, and the price is high. Also,
In the latter case, the exposed area of indium is sufficient, but since its melting temperature is as low as 156°C, the viscosity decreases due to the temperature of the electrode while the lamp is lit, and there is a risk that the indium will slide off the substrate due to minute vibrations. There is.
この対策としては、補助極の基板をステンレス
製のラス板とすることがまず考えられる。メツシ
ユ構造を有するラス板は、表面積が大きいので、
きわめて薄膜の状態でインジウムをメツキするだ
けで補助極として十分機能する。発明者らは、こ
の構造の補助極を用いてランプを試作したとこ
ろ、次の点が明白になつた。すなわち、従来のこ
の種の構造の補助極はランプの立上り特性を満足
する量のインジウム付着量のみが考慮され、その
形状、寸法については、できるだけ小さなものが
選ばれていた。ところが、補助極として折り曲げ
ずに、扁平なままで電極リード線に溶接すると、
光束立上り特性の面で十分に機能するのみなら
ず、ランプ寿命中の電極近傍の黒化防止にも効果
のあることがわかつた。この補助極は構造的にも
簡単なもので、製作および取付け作業も容易であ
り、工業的効果が大きいものである。 As a countermeasure to this problem, the first idea is to use a stainless steel lath plate as the substrate of the auxiliary electrode. Lath board with mesh structure has a large surface area, so
Just plating indium in an extremely thin film can function well as an auxiliary electrode. When the inventors prototyped a lamp using an auxiliary electrode with this structure, the following points became clear. That is, in the conventional auxiliary electrode of this type of structure, only the amount of indium deposited that satisfies the lamp start-up characteristics was considered, and its shape and dimensions were selected to be as small as possible. However, when welding the auxiliary electrode to the electrode lead wire without bending it and leaving it flat,
It was found that not only does it function satisfactorily in terms of luminous flux rise characteristics, but it is also effective in preventing blackening near the electrodes during the life of the lamp. This auxiliary electrode is simple in structure, easy to manufacture and install, and has great industrial effects.
発明の目的
本発明の目的は、水銀合金を用いて点灯中の水
銀蒸気圧制御を行う構造の螢光ランプにおいて、
迅速な光束立上り特性と、併せてランプ点灯中の
端部黒化防止にも効果を持ち、かつ構造が簡単で
安価な螢光ランプを提供することにある。OBJECT OF THE INVENTION An object of the present invention is to provide a fluorescent lamp having a structure that uses a mercury alloy to control mercury vapor pressure during lighting.
To provide a fluorescent lamp which has a quick luminous flux rise characteristic and is also effective in preventing blackening of the end portion during lamp lighting, and which is simple in structure and inexpensive.
発明構成
本発明は、ガラス管の端部に電極ステムを設
け、前記電極ステムに先端部にフイラメントコイ
ルを張架した２本のリード線を設け、前記リード
線の少なくとも一方に、一部を残してインジウム
をメツキしたメツシユ状、扁平形状で、前記フイ
ラメントコイル上の電子放射物質塗布部分を越え
る長さを持つた補助極の前記非メツキ部分を接続
することにより、点灯直後のランプ光束の迅速な
立上りと共に、ガラス管端部の黒化の抑制を図つ
たものである。Structure of the Invention The present invention provides an electrode stem at the end of a glass tube, two lead wires each having a filament coil stretched across the tip end of the electrode stem, and at least one of the lead wires leaving a part of the lead wire. By connecting the non-plated part of the auxiliary electrode, which has a mesh-like, flat shape plated with indium and has a length exceeding the part coated with the electron emitting material on the filament coil, the luminous flux of the lamp can be quickly changed immediately after lighting. This is intended to suppress blackening at the end of the glass tube as well as the rise.
アマルガムランプの点灯直後の水銀蒸気圧不足
を瞬間的に補うためには、水銀と親和力の強い合
金を用いて、これを電極から至近の場所に設置す
る技術が公知である。そのための金属としてはイ
ンジウムが最も適している。基板としては、メツ
シユ状のものが選ばれているが、それは平板であ
ると、ランプ点灯中の電極部の温度上昇により、
融点156℃のインジウムが溶け出して基板上から
滑り落ちる危険性がででくるからである。また、
メツシユの一部分を残してメツキを行うのは、全
面をインジウムにて覆つた場合、通常ニツケルで
表面コートされている内部リード線上に、このイ
ンジウムが合金を形成しつつ流出していくのを防
ぐためである。 In order to instantly compensate for the lack of mercury vapor pressure immediately after the amalgam lamp is turned on, a technique is known in which an alloy with a strong affinity for mercury is used and the alloy is placed close to the electrodes. Indium is the most suitable metal for this purpose. A mesh-shaped substrate is selected as the substrate, but if it is a flat plate, the temperature of the electrode part will rise while the lamp is lit, causing
This is because there is a risk that indium, which has a melting point of 156°C, will melt and slide off the substrate. Also,
The reason why plating is performed while leaving a part of the mesh is to prevent this indium from forming an alloy and leaking onto the internal lead wires, which are usually surface-coated with nickel, when the entire surface is covered with indium. It is.
このメツシユ状の補助極は、何ら折り曲げ加工
を施さないでリール状のテープで連続的に供給
し、これを一定長さで切断し溶接して用いればよ
い。すなわち、きわめて安価な製造コストで提供
される。また本発明の特徴とするところは、この
補助極の長さをフイラメント上の電子放射性物質
塗布長さ以上とすることにある。通常、この種の
補助極は必要量のインジウムを与える小さい寸法
が選ばれているが、本発明においては、電極のフ
イラメントコイルの電子放射性物質塗布部分の長
さ以上に補助極の長さが大きいので、コイル上の
陰極輝点に流入する電流は、補助極上へも分流す
ることになる。したがつて、陰極輝点の温度が過
度に上昇するのが防がれて、電極近傍の早期黒化
も抑制される。すなわち、本発明にかかる補助極
は、アマルガムランプに特有の立上り特性の遅れ
を補うのみならず、電極近傍の黒化をも抑制する
効果を持つものである。特に、コンパクト形螢光
ランプのように管径の細いガラス管を用いたラン
プの場合、寿命中の黒化を抑制する働きは非常に
価値が大きいものである。 This mesh-shaped auxiliary electrode may be used by continuously supplying a reel-shaped tape without any bending process, cutting it into a certain length, and welding it. In other words, it can be provided at extremely low manufacturing costs. Furthermore, the present invention is characterized in that the length of this auxiliary electrode is equal to or longer than the length of the electron radioactive material coating on the filament. Normally, this type of auxiliary electrode is chosen to have a small size that provides the necessary amount of indium, but in the present invention, the length of the auxiliary electrode is greater than the length of the electron radioactive material coated part of the filament coil of the electrode. Therefore, the current flowing into the cathode bright spot on the coil will also be shunted onto the auxiliary pole. Therefore, the temperature of the cathode bright spot is prevented from rising excessively, and early blackening near the electrode is also suppressed. That is, the auxiliary electrode according to the present invention has the effect of not only compensating for the delay in start-up characteristics peculiar to amalgam lamps, but also suppressing blackening in the vicinity of the electrode. Particularly in the case of a lamp using a glass tube with a small diameter, such as a compact fluorescent lamp, the function of suppressing blackening during its life is extremely valuable.
実施例の説明
以下、本発明の一実施例について図面を用いて
説明する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
第１図は、本発明にかかる螢光ランプの実施例
を示す一部切欠側面図である。１はガラスまたは
プラスチツク製で何らの通気孔を有さない密閉形
外管である。この中に管外径15.5mmのガラス管を
３個所で折り曲げ加工した非直線状の発光管２が
設けられている。さらに、外管１の端部にカツプ
状のメタルケース４が設けられており、その底部
には電球口金６が取付けられている。メタルケー
ス４の内部には、安定器５が設けられている。発
光管２は、グロースタータ方式の点灯回路により
点灯される。グロースタータは外管１内に設けら
れているが、図示は省略している。 FIG. 1 is a partially cutaway side view showing an embodiment of a fluorescent lamp according to the present invention. 1 is a closed outer tube made of glass or plastic and having no ventilation holes. A non-linear arc tube 2 made of a glass tube with an outer diameter of 15.5 mm bent at three points is provided in this. Further, a cup-shaped metal case 4 is provided at the end of the outer tube 1, and a light bulb base 6 is attached to the bottom of the cup-shaped metal case 4. A stabilizer 5 is provided inside the metal case 4. The arc tube 2 is lit by a glow starter type lighting circuit. Although the glow starter is provided inside the outer tube 1, illustration thereof is omitted.
第２図は、発光管２の要部拡大図である。発光
管２において、ガラス管の内面には、たとえばユ
ーロピウム付活酸化イツトリウム螢光体、テルビ
ウム付活アルミン酸セリウムマグネシウム螢光体
およびユーロピウム付活アルミン酸バリウムマグ
ネシウム螢光体などいずれも稀土類螢光体の２成
分系または３成分系混合螢光体３が被着形成され
ている。ガラス管の両端部には電極ステム７が設
けられ、この電極ステム７に設けられたリード線
８には、網目の長径(L)15mm（第３図参照）のステ
ンレス・ラス板に端部３mmを残してインジウムを
メツキした幅４mm、長さ７mmの補助極９の非メツ
キ部分が溶接されている。補助極９の拡大図を第
３図に示す。補助極９は扁平形状をしており、一
部を残してインジウム１２がメツキされている。
補助極９の長さは、２本のリード線８の先端部に
張架されたフイラメントコイル１０上の電子放射
性物質１１の塗布部分の長さ以上に長い。片方の
電極ステム７の細管１３の中には、ビスマス・イ
ンジウムからなる主アマルガム合金１４が封入さ
れている。発光管２の他方の端部から水銀と希ガ
スが内部に封入されている。軸芯の電極間距離は
280mmである。なお、外管１の内面にはシリカ等
の散光性被膜が形成されている。 FIG. 2 is an enlarged view of the main parts of the arc tube 2. As shown in FIG. In the arc tube 2, the inner surface of the glass tube is coated with rare earth fluorescers such as a europium-activated yttrium oxide phosphor, a terbium-activated cerium magnesium aluminate phosphor, and a europium-activated barium magnesium aluminate phosphor. A two-component or three-component mixed phosphor 3 is deposited thereon. Electrode stems 7 are provided at both ends of the glass tube, and the lead wires 8 provided on the electrode stems 7 are attached to a stainless steel lath plate with a mesh length (L) of 15 mm (see Figure 3) with an end portion of 3 mm. The unplated part of the auxiliary electrode 9, which is indium plated and has a width of 4 mm and a length of 7 mm, is welded. An enlarged view of the auxiliary pole 9 is shown in FIG. The auxiliary electrode 9 has a flat shape, and is plated with indium 12 except for a portion.
The length of the auxiliary electrode 9 is longer than the length of the part of the filament coil 10 stretched between the tips of the two lead wires 8 and coated with the electron radioactive substance 11 . A main amalgam alloy 14 made of bismuth-indium is sealed in the thin tube 13 of one of the electrode stems 7 . Mercury and rare gas are sealed inside the arc tube 2 from the other end. The distance between the electrodes on the axis is
It is 280mm. Note that a light-diffusing coating such as silica is formed on the inner surface of the outer tube 1.
かかる螢光ランプを電源電圧100V、ランプ
0.3Aで点灯すると、色温度2800Kまたは5000Kで
初光束値730ルーメンが得られた。そのときの入
力電力は17ワツトであつた。この効率は電球に比
べて３倍以上の高さである。 The power supply voltage of the fluorescent lamp is 100V, and the lamp
When lit at 0.3A, an initial luminous flux value of 730 lumens was obtained with a color temperature of 2800K or 5000K. The input power at that time was 17 watts. This efficiency is more than three times higher than that of a light bulb.
第４図は、本発明にかかる螢光ランプと従来の
アマルガム方式螢光ランプとの点灯直後に立上り
特性を比較したものである。従来のアマルガム方
式螢光ランプは、発光管内に十分な量の水銀蒸気
圧を与える温度になるまでには、曲線Ｂに示すよ
うに同じランプで８分以上の時間を要する。一
方、本発明にかかる補助極を備えた構造のもので
は、点灯直後、電極７からの熱により、水銀原子
が直ちに蒸気化して曲線Ａに示すように、光束が
素早く立上がり30秒以内に90％光束値に達する。
さらに、本発明にかかる補助極は次のような効果
をも併せ示した。すなわち、ガラス管外径が15.5
mmと非常に小さいことから、この種ランプは、点
灯後早期に、電極近傍に黒化が生じるのが普通で
あつたが、本補助極を備えた螢光ランプにおいて
は、ランプ電流のうちのかなりの割合が補助極側
に流入することになるので、フイラメントコイル
上の陰極輝点の温度が従来のものに比べて低下
し、電子放射性物質のスパツタリングによる電極
近傍のガラス管黒化は軽微なものとなる。ただ
し、この場合、フイラメントコイル上の陰極輝点
の位置を必ず補助極が設けられているリード線側
に定めても、電子放射性物質塗布部分の長さより
補助極の長さが短いと、寿命中の陰極輝点の移動
につれて分流効果が少なくなる。したがつて、補
助極の長さは、フイラメントコイル上の電子放射
性物質塗布部分の長さ以上長くなければならな
い。 FIG. 4 compares the rise characteristics immediately after lighting of the fluorescent lamp according to the present invention and a conventional amalgam type fluorescent lamp. In conventional amalgam fluorescent lamps, it takes more than 8 minutes for the same lamp to reach a temperature that provides a sufficient amount of mercury vapor pressure within the arc tube, as shown in curve B. On the other hand, in the structure equipped with the auxiliary electrode according to the present invention, immediately after lighting, the mercury atoms are immediately vaporized by the heat from the electrode 7, and the luminous flux quickly rises to 90% within 30 seconds, as shown in curve A. The luminous flux value is reached.
Furthermore, the auxiliary electrode according to the present invention also exhibited the following effects. In other words, the outer diameter of the glass tube is 15.5
Because it is extremely small (mm), this type of lamp usually experiences blackening near the electrode soon after lighting. Since a considerable proportion of the electrons will flow into the auxiliary electrode side, the temperature of the cathode bright spot on the filament coil will be lower than in the conventional case, and the blackening of the glass tube near the electrode due to sputtering of electron radioactive materials will be slight. Become something. However, in this case, even if the position of the cathode bright spot on the filament coil is always set on the lead wire side where the auxiliary electrode is installed, if the length of the auxiliary electrode is shorter than the length of the part coated with the electron radioactive material, the lifetime The shunting effect decreases as the cathode bright spot moves. Therefore, the length of the auxiliary electrode must be longer than the length of the portion of the filament coil coated with the electron radioactive material.
本実施例においては、網目の長径1.5mmのラス
板の幅４mm、長さ４mmの表裏部分に合せて約１mg
±20％のインジウムをメツキしたが、この程度の
メツキ電着量ならば、ラス板上のメツキ厚さは
5μ程度であり、温度上昇による粘性低下からイ
ンジウムが滑り落ちる危険性は全くない。 In this example, approximately 1 mg was added to the front and back portions of the lath plate with a mesh length of 1.5 mm and a width of 4 mm and a length of 4 mm.
Although ±20% of indium was plated, if this amount of plating electrodeposited, the plating thickness on the lath board would be
It is about 5μ, and there is no danger of indium slipping off due to a decrease in viscosity due to temperature rise.
発明の効果
以上説明したように、本発明の螢光ランプは、
電球の機能を十分満足する迅速な光束立上り特性
を有するのみならず、ランプのコンパクト化につ
れて必然的に細管化するガラス管径のため早期に
発生する電極近傍のガラス管壁黒化の発生を抑制
する効果を持つすぐれたものである。Effects of the Invention As explained above, the fluorescent lamp of the present invention has
Not only does it have a rapid luminous flux rise characteristic that fully satisfies the functions of a light bulb, but it also suppresses the early blackening of the glass tube wall near the electrode, which occurs due to the glass tube diameter which inevitably becomes smaller as lamps become more compact. It is an excellent product that has the effect of
第１図は本発明の一実施例である螢光ランプの
一部切欠正面図、第２図は同螢光ランプの発光管
の要部断面図、第３図は補助極の拡大図、第４図
は螢光灯の点灯時間と相対光束との関係図であ
る。
１……外管、２……発光管、３……螢光体、７
……電極ステム、８……リード線、９……補助
極、１０……フイラメントコイル、１１……電子
放射性物質、１２……インジウム、１４……主ア
マルガム合金。
FIG. 1 is a partially cutaway front view of a fluorescent lamp according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the main part of the arc tube of the same fluorescent lamp, and FIG. 3 is an enlarged view of the auxiliary pole. FIG. 4 is a diagram showing the relationship between the lighting time of the fluorescent lamp and the relative luminous flux. 1... Outer tube, 2... Arc tube, 3... Fluorescent body, 7
... Electrode stem, 8 ... Lead wire, 9 ... Auxiliary electrode, 10 ... Filament coil, 11 ... Electron radioactive material, 12 ... Indium, 14 ... Main amalgam alloy.
Claims (1)
極ステムに先端部にフイラメントコイルを張架し
た２本のリード線を設け、前記リード線の少なく
とも一方に、一部を残してインジウムをメツキし
たメツシユ状、扁平形状で、前記フイラメントコ
イル上の電子放射性物質塗布部分の長さ以上の長
さを有する補助極の前記非メツキ部分を接続した
ことを特徴とする螢光ランプ。1. An electrode stem was provided at the end of the glass tube, two lead wires each having a filament coil stretched over the tip thereof were provided on the electrode stem, and at least one of the lead wires was plated with indium, leaving a portion intact. A fluorescent lamp characterized in that the non-metallic part of the auxiliary electrode is connected to the non-metallic part of the auxiliary electrode, which has a mesh-like, flat shape and has a length equal to or longer than the length of the part coated with an electron radioactive substance on the filament coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59242949A JPS61121252A (en) | 1984-11-16 | 1984-11-16 | Fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59242949A JPS61121252A (en) | 1984-11-16 | 1984-11-16 | Fluorescent lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61121252A JPS61121252A (en) | 1986-06-09 |
| JPH053702B2 true JPH053702B2 (en) | 1993-01-18 |
Family
ID=17096617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59242949A Granted JPS61121252A (en) | 1984-11-16 | 1984-11-16 | Fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61121252A (en) |
-
1984
- 1984-11-16 JP JP59242949A patent/JPS61121252A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61121252A (en) | 1986-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7592742B2 (en) | Fluorescent lamp, bulb-shaped fluorescent lamp, and lighting apparatus | |
| JPS6221223B2 (en) | ||
| US5336968A (en) | DC operated sodium vapor lamp | |
| US3562571A (en) | Mercury-vapor discharge lamp with amalgam-type vapor-pressure regualtor and integral fail-safe and fast warmup compone | |
| CN1336006A (en) | Lighting system | |
| JPH053702B2 (en) | ||
| JP3956040B2 (en) | Fluorescent lamp and lighting device | |
| JP2781394B2 (en) | Light bulb type fluorescent lamp | |
| US4745333A (en) | Auxiliary electrodes in fluorescent lamps for preventing irregular light flickering | |
| JP3925591B2 (en) | Discharge lamp, discharge lamp device, fluorescent lamp and fluorescent lamp device | |
| JPH11233065A (en) | Bulb type fluorescent lamp | |
| JPH0582698B2 (en) | ||
| JPS62211850A (en) | Bulb type fluorescent lamp | |
| KR900006149B1 (en) | Low - pressure discharge lamp | |
| JPH0316737B2 (en) | ||
| JP3405672B2 (en) | Light bulb type fluorescent lamp | |
| JPH0821368B2 (en) | Metal halide lamp | |
| JP2002298609A (en) | Bulb-shaped fluorescent lamp | |
| JPS61277147A (en) | Low pressure mercury vapor discharge lamp | |
| JPS6147057A (en) | Low pressure mercury vapor discharge lamp | |
| JPS61135045A (en) | High pressure sodium lamp for dc lighting | |
| JPH0471306B2 (en) | ||
| JPH0322020B2 (en) | ||
| JPH0696729A (en) | Low pressure mercury vapor electric discharge lamp | |
| JPH0339380B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |