EP1708245B1 - Metallhalogenidlampe - Google Patents

Metallhalogenidlampe Download PDF

Info

Publication number
EP1708245B1
EP1708245B1 EP06006771A EP06006771A EP1708245B1 EP 1708245 B1 EP1708245 B1 EP 1708245B1 EP 06006771 A EP06006771 A EP 06006771A EP 06006771 A EP06006771 A EP 06006771A EP 1708245 B1 EP1708245 B1 EP 1708245B1
Authority
EP
European Patent Office
Prior art keywords
metal halide
halide lamp
fill
lamp according
discharge vessel
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.)
Not-in-force
Application number
EP06006771A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1708245A1 (de
Inventor
Andreas Dr. Genz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Osram GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Osram GmbH filed Critical Osram GmbH
Publication of EP1708245A1 publication Critical patent/EP1708245A1/de
Application granted granted Critical
Publication of EP1708245B1 publication Critical patent/EP1708245B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/125—Selection of substances for gas fillings; Specified operating pressure or temperature having an halogenide as principal component

Definitions

  • the invention is based on a metal halide lamp for a high-pressure discharge lamp according to the preamble of claim 1. These are fillings for lamps with daylight-like light color.
  • metal halide discharge lamps usually contain thallium.
  • a lamp that contains a metal halide filling with the metals Cs, TI, and rare earths such as Dy, Tm, Ho and has a daylight-like light color.
  • the filling may contain metal halides with the metals rare earths such as Tm, Ho with the exception of DyJ3. It is used for photo-optical purposes, so for high luminance.
  • the wall load is typically 48 to 62 W / cm 2
  • the electrode spacing is less than 5 mm
  • the InJ amount is 0.1 to 1.5 mg / ml.
  • EP-A 1 455 382 discloses a metal halide lamp according to the preamble of claim 1.
  • a metal halide filling which uses Na, TI, and rare earths and additionally In halide. It is dispensed with other components with other halides.
  • the halogen used is iodine and / or bromine.
  • Remedy here creates the precisely metered addition of indium halide.
  • a filling which contains between 0.1 and 2.5 mg of rare earth halides per ml volume of the discharge vessel. A value of 0.2 to 2.0 mg / ml is preferred.
  • Particularly suitable rare earths are Dy, Ho and Tm, alone or in combination. Particularly suitable is Tm alone or predominantly, ie with more than 50% share, in particular with at least 90% share.
  • the molar ratio between In and rare earths should be between 0.03 and 0.6, in particular between 0.04 and 0.4.
  • the filling contains more iodine than bromine.
  • iodine is used alone, with a maximum of 10% bromine content, molar seen.
  • the filling also contains Na-halide, especially Na-iodide.
  • Na-halide especially Na-iodide.
  • the molar ratio between Na and rare earths is between 4 and 0.2, preferably between 3 and 0.3.
  • the discharge arc is constricted too much.
  • the color temperature is too low.
  • the color temperature of the lamp is preferably in the daylight range with a color temperature of 5000 to 6000 K.
  • the specific power, given in watts per mm arc length, is preferably less than 30.
  • This filling is preferably suitable for general lighting purposes for low-wattage lamps with a maximum rated power of 150 W. It is therefore used for low luminance.
  • the wall load is typically less than 40 W / cm 2
  • the electrode distance is more than 5 mm
  • the InJ amount is less than 0.1 mg / ml, especially at 0.03 to 0.075 mg / ml. This allows a long life, typically more than 4000 hours and at the same time achieve a high luminous flux.
  • FIG. 1 shows the side view of a two-sided crimped metal halide lamp 1 with 70 W rated power.
  • the discharge vessel 2 made of quartz glass designed as a barrel body encloses two electrodes 3 together with a metal halide filling. The piston ends are sealed by pinches 4, are embedded in the foils 5. A seal is also suitable as a seal. These bruises 4 are connected to external power supply lines 6.
  • the outer power supply 6 is guided in a tubular sleeve 7 and terminates in a socket 8 of an integral base part 9.
  • the base is integrally made of steel or another made of heat-resistant metal and also includes a circular disk 10 as a contact element and barbs 11 as centering and mounting.
  • the bulbous part of the discharge vessel is partially surrounded by an outer bulb 12 which is rolled up in the region of the transition between the pinch seal 4 and the sleeve 7 (FIG. 13).
  • the outer bulb 12 has a circumferential dent 14, so that an elastic carrier tape 15 made of metal is spread apart on the inner surface of the outer bulb.
  • the carrier tape may, if necessary, contain gettering materials such as Zr, Fe, V, Co. They are used to absorb various substances such as oxygen, hydrogen, or similar.
  • the outer bulb can be filled with nitrogen, inert gas, another inert gas or vacuum.
  • an outer bulb gas mixture of N 2 and / or CO 2 with Ne is used, the total pressure being between 200 and 900 mbar.
  • a Ne-Ar, Ne-Kr or Ne-Ar-Kr Penning mixture is used as the starting gas in the burner.
  • an outer bulb gas mixture N 2 / Ne or CO 2 / Ne with 300 mbar to 900 mbar total pressure is used to maintain the good ignition properties during the lifetime.
  • the Ne share is between 25 and 60%.
  • Fig. 2 shows the spectrum of lamps with 100 h burning time according to the embodiment according to Fig. 1 whose discharge vessel contains 10 mg Hg and the metal halide fillings according to Tab.
  • the filling in the outer bulb is argon.
  • Fig. 3 and 4 shows the change of the color temperature Tn ( FIG. 3b and 4b ) and the luminous flux LS ( FIG. 3a and 4a ) of the lamp FIG. 1 as a function of the lifetime for the two embodiments of Table 1. Both characteristics are extremely stable up to a lifetime of at least 6000 hours.
  • the first embodiment see FIG. 3 , is suitable for higher luminous flux and higher color temperature than the second embodiment.

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Glass Compositions (AREA)
EP06006771A 2005-04-01 2006-03-30 Metallhalogenidlampe Not-in-force EP1708245B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005005200U DE202005005200U1 (de) 2005-04-01 2005-04-01 Metallhalogenidlampe

Publications (2)

Publication Number Publication Date
EP1708245A1 EP1708245A1 (de) 2006-10-04
EP1708245B1 true EP1708245B1 (de) 2011-03-02

Family

ID=36678577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06006771A Not-in-force EP1708245B1 (de) 2005-04-01 2006-03-30 Metallhalogenidlampe

Country Status (7)

Country Link
US (1) US7545100B2 (zh)
EP (1) EP1708245B1 (zh)
JP (1) JP2006286643A (zh)
CN (1) CN201608150U (zh)
AT (1) ATE500606T1 (zh)
CA (1) CA2541519A1 (zh)
DE (2) DE202005005200U1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008218192A (ja) * 2007-03-05 2008-09-18 Osram Melco Toshiba Lighting Kk 高圧放電ランプおよび照明器具
US8653732B2 (en) * 2007-12-06 2014-02-18 General Electric Company Ceramic metal halide lamp with oxygen content selected for high lumen maintenance
CN105810551A (zh) * 2014-12-31 2016-07-27 广东雪莱特光电科技股份有限公司 一种无汞高压气体放电灯
DE102018116252B3 (de) 2018-07-05 2019-08-08 TRüTZSCHLER GMBH & CO. KG Kardierelement

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06290742A (ja) * 1993-03-31 1994-10-18 Iwasaki Electric Co Ltd メタルハライドランプ
US5965984A (en) * 1995-10-20 1999-10-12 Matsushita Electric Industrial Co., Ltd. Indium halide and rare earth metal halide lamp
JPH10283993A (ja) * 1997-04-03 1998-10-23 Matsushita Electron Corp メタルハライドランプ
JP4340170B2 (ja) * 2003-03-03 2009-10-07 オスラム・メルコ・東芝ライティング株式会社 高圧放電ランプおよび照明装置
US7245081B2 (en) * 2003-03-03 2007-07-17 Osram-Melco Toshiba Lighting Ltd. High-intensity discharge lamp with particular metal halide gas filling and lighting device
JP4181949B2 (ja) * 2003-03-03 2008-11-19 オスラム・メルコ・東芝ライティング株式会社 高圧放電ランプおよび照明装置
DE10325554A1 (de) 2003-06-05 2004-12-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren zur Herstellung einer elektrischen Lampe mit Außenkolben
JP4295700B2 (ja) * 2003-08-29 2009-07-15 パナソニック株式会社 メタルハライドランプの点灯方法及び照明装置
JP2005203177A (ja) * 2004-01-14 2005-07-28 Osram Melco Toshiba Lighting Kk 高圧放電ランプおよび照明装置

Also Published As

Publication number Publication date
US20060220564A1 (en) 2006-10-05
ATE500606T1 (de) 2011-03-15
US7545100B2 (en) 2009-06-09
JP2006286643A (ja) 2006-10-19
DE202005005200U1 (de) 2006-08-10
CA2541519A1 (en) 2006-10-01
CN201608150U (zh) 2010-10-13
DE502006008974D1 (de) 2011-04-14
EP1708245A1 (de) 2006-10-04

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