EP0722616B1 - Metallhalogenidentladungslampe - Google Patents
Metallhalogenidentladungslampe Download PDFInfo
- Publication number
- EP0722616B1 EP0722616B1 EP94919552A EP94919552A EP0722616B1 EP 0722616 B1 EP0722616 B1 EP 0722616B1 EP 94919552 A EP94919552 A EP 94919552A EP 94919552 A EP94919552 A EP 94919552A EP 0722616 B1 EP0722616 B1 EP 0722616B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- discharge lamp
- metal halide
- outer bulb
- metal
- lamp according
- 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
Images
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/827—Metal halide arc lamps
Definitions
- the invention is based on a metal halide discharge lamp according to the preamble of the claim 1.
- metal halide lamps primarily low power, especially about 50-250 W.
- a rough guideline can be that the total amount (in mg) of metal halides can be limited to a maximum of three times the volume of the discharge vessel (in cm 3 ).
- the condition for the filling quantity can be specified in such a way that the pure proportion of metals with a small ion radius (especially sodium) - which therefore tend to diffuse and are hereinafter referred to as "diff.
- Metals - expressed in Micromol ( ⁇ mol) in the filling is less than six times the discharge volume, expressed in cubic centimeters (cm 3 ). Expressed as a formula, the following applies: specific diff. Metal content ⁇ 6 ⁇ mol / cm 3 .
- Metal content is considered to be a value of the simple discharge volume (in cm 3 ), ie specific diff. Metal content ⁇ 1 ⁇ mol / cm 3 . Preferred values of the diff. Metal content are in the range of four times the discharge volume.
- a small ion radius is understood to be a maximum of about 0.1 nm, such as that of Na + or Li + .
- the invention is particularly for sodium rare earth filling systems suitable. Similar good results are achieved with Na Sc fillings.
- the main area of application is lamps with Color temperatures in the order of 4000 K. (Light color neutral white), where the sodium content less than with warm white light colors (approx. 3000 K color temperature) can be selected.
- the high-pressure discharge lamp 1 shown schematically in FIG. 1 with a power consumption of 70 W consists of an essentially cylindrical discharge vessel 2 made of quartz glass, which is bulged in the middle. It is closed at both ends with a pinch 3, through which the two current leads 4, 5 are inserted in a vacuum-tight manner by means of foils 6 and thereby establish an electrical connection to the electrodes 7 (made of thoriated tungsten) attached in the discharge vessel.
- the ends of the discharge vessel are provided with a heat-reflecting coating 8.
- the filling with the light color neutral white consists of the metals Hg and Na with additions of other rare earth metals and the halogens Br and / or I.
- a preferred metal halide filling is 0.45 mg NaI, in each case 0.27 mg of the rare earth metal halides DyI 3 , HoI 3 and TmI 3 and 0.13 mg T1I.
- the discharge volume is 0.7 cm 3 .
- the discharge vessel 2 is located in a coaxially arranged cylindrical outer bulb 9 made of quartz glass, the smallest wall distance being only about 2-3 mm.
- a getter 10 is arranged potential-free in this outer bulb and runs parallel to one of the current leads 4.
- the outer bulb 9 is likewise closed at its two ends with a pinch, the electrical connection of the axially arranged power supply lines 4, 5 to the outside being effected in each case via a vacuum-tight foil pinch 11 and ceramic base parts 12 (with plate contacts).
- the current leads 4, 5 hold the discharge vessel 2 in the outer bulb 9, one of the current leads 5 being provided with an expansion loop 13 to compensate for length tolerances.
- the need for an expansion loop 13 depends on the dimensions of the lamp.
- the two current leads 4, 5 are enclosed over their entire length in the outer bulb 9 by a stocking-like sleeve 14 made of quartz silk.
- This material is temperature resistant up to 1200 ° C.
- One example is the type SR 05 silicate hose from Lippmann (Schire / Germany).
- This sleeve has 0.3 mm wall thickness and an inner diameter of 0.4 mm. It consists of more than 95% Si0 2 .
- a ceramic fiber hose is also suitable for this or quartz fiber hose.
- a tempered glass or quartz glass tube or a rigid ceramic sleeve In the case of straight power supplies, one can do less flexible material, e.g. a tempered glass or quartz glass tube or a rigid ceramic sleeve, be used.
- a high temperature resistance is essential as well as sufficient UV absorption.
- the invention is closed on all sides Discharge vessels that are closed on both sides Outer pistons are attached approximately axially, applicable.
- the discharge vessel can in particular a quartz glass burner squeezed on both sides or be a ceramic tube closed on both sides.
- the outer bulb is in particular a pinched on both sides Tempered glass or quartz glass pistons.
- a ceramic suspension, for example ZrO 2, applied directly as a coating to the power supply is also particularly suitable as the sheathing.
- This technology also has manufacturing advantages over separate sleeves and is also suitable for flexible power supplies.
- the layer thickness is approximately 0.15 mm. To improve the adhesion, up to 15%, in particular 10% by weight of boron oxide is added.
Abstract
Description
Bei Metallhalogenidlampen mit alkalimetallhaltiger Füllung, bei denen ein Leiter am Entladungsgefäß entlang geführt ist, wie dies bei einem zweiseitig gequetschten Entladungsgefäß in einem einseitig gequetschten Außenkolben der Fall ist, ist es bekannt, den am Entladungsgefäß entlanglaufenden Teil der Stromzuführung mit einer elektrisch-isolierenden und UV-undurchlässigen Abschirmung, insbesondere einem Röhrchen aus Glas, Keramik oder Quarzglas zu versehen (DE-A 16 39 084).
- Fig. 1
- eine Lampe gemäß der Erfindung
- Fig. 2
- die Mortalitätskurve einer Gruppe erfindungsgemäßer Lampen sowie einer Vergleichsgruppe
Claims (9)
- Metallhalogenidentladungslampe mit einem zweiseitig verschlossenen Entladungsgefäß (2), das zwei Elektroden und eine Füllung mit zur Diffusion in Quarzglas oder Keramik neigenden Metallen bei Temperaturen bis 1200 °C enthält, die im Betrieb Ionen mit kleinem Ionenradius bilden, wobei der Ionenradius maximal dem des Ions Na+ entspricht, und das von einem zweiseitig verschlossenen zylindrische Außenkolben (9) umgeben ist, der eine Achse definiert, wobei das Entladungsgefäß (2) in etwa axial im Außenkolben (9) angeordnet ist und dort durch zwei im Außenkolben (9) angeordnete Stromzuführungen (4,5) gehaltert ist, wobei die im Außenkolben (9) angeordneten Stromzuführungen (4,5) über einen Großteil ihrer Länge von einer UV-abschirmenden Ummantelung (14) umgeben sind, dadurch gekennzeichnet, daß der spezifische Gehalt an den zur Diffusion neigenden Metallen im Entladungsvolumen kleiner als 6 µmol/cm3 ist.
- Metallhalogenidentladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß das zur Diffusion neigende Metall Natrium und/oder Lithium ist.
- Metallhalogenidentladungslampe nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der spezifische Gehalt an zur Diffusion neigendem Metall mindestens 1 µmol/cm3 beträgt.
- Metallhalogenidentladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß die Ummantelung (14) aus einem der Materialien Keramik, Hartglas oder Quarzglas gefertigt ist.
- Metallhalogenidentladungslampe nach Anspruch 4, dadurch gekennzeichnet, daß die Ummantelung (14) flexibel ist.
- Metallhalogenidentladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß die Gesamtfüllmenge an Metallhalogeniden (in mg) maximal dem Dreifachen des Volumens (in cm3) des Entladungsgefäßes entspricht.
- Metallhalogenidentladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß die Lampenleistung maximal 250 W beträgt.
- Metallhalogenidentladungslampe nach Anspruch 1, dadurch gekennzeichnet, daß die Ummantelung eine Beschichtung aus einer Keramiksuspension ist, insbesondere aus ZrO2, das bis zu 15 Gew.-% Boroxid enthält.
- Verwendung einer Ummantelung (14), insbesondere einer Hülse aus Quarzglas, Hartglas oder Keramikmaterial, für die Stromzuführungen (4,5) im Außenkolben einer Metallhalogenidentladungslampe, bei der ein zweiseitig gequetschtes Entladungsgefäß (2) in einem zylindrischen zweiseitig verschlossenen Außenkolben (9), der eine Achse definiert, in etwa axial angeordnet ist, zur Vermeidung der Photoionisation bei Verwendung geringer Mengen an Metallfüllungen der Metalle Natrium und/oder Lithium, dadurch gekennzeichnet, daß die reine Menge dieser Metalle kleiner als 6 µmol/cm3, bezogen auf das Entladungsvolumen, ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4334074 | 1993-10-06 | ||
DE4334074A DE4334074A1 (de) | 1993-10-06 | 1993-10-06 | Metallhalogenidentladungslampe |
PCT/DE1994/000753 WO1995010120A1 (de) | 1993-10-06 | 1994-06-30 | Metallhalogenidentladungslampe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0722616A1 EP0722616A1 (de) | 1996-07-24 |
EP0722616B1 true EP0722616B1 (de) | 1999-09-08 |
Family
ID=6499548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94919552A Expired - Lifetime EP0722616B1 (de) | 1993-10-06 | 1994-06-30 | Metallhalogenidentladungslampe |
Country Status (7)
Country | Link |
---|---|
US (1) | US5729091A (de) |
EP (1) | EP0722616B1 (de) |
JP (1) | JP3176631B2 (de) |
CN (1) | CN1066853C (de) |
DE (2) | DE4334074A1 (de) |
HU (1) | HU216672B (de) |
WO (1) | WO1995010120A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19731168A1 (de) * | 1997-07-21 | 1999-01-28 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Beleuchtungssystem |
US6147440A (en) * | 1997-09-11 | 2000-11-14 | Osram Sylvania Inc. | Low wattage lamp having formed arc tube in aluminosilicate outer jacket |
JP3657461B2 (ja) * | 1999-06-15 | 2005-06-08 | 株式会社小糸製作所 | 放電バルブ |
JP4050062B2 (ja) * | 2001-04-02 | 2008-02-20 | サムスン エレクトロニクス カンパニー リミテッド | 光源装置、これを有するバックライトアセンブリ及び液晶表示装置 |
US6861808B2 (en) * | 2002-03-27 | 2005-03-01 | Matsushita Electric Industrial Co., Ltd. | Metal vapor discharge lamp |
DE10234758B4 (de) * | 2002-07-30 | 2006-02-16 | Sli Lichtsysteme Gmbh | Metall-Halogendampflampe niedriger Leistung |
SE0701251L (sv) * | 2007-05-24 | 2008-09-09 | Auralight Int Ab | Högtrycksnatriumlampa |
CN102205136B (zh) * | 2010-03-31 | 2014-02-05 | 海尔集团公司 | 宽频光波杀菌灯 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6703447A (de) * | 1967-03-03 | 1968-09-04 | ||
DE3619068C2 (de) * | 1986-06-06 | 1996-08-22 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Kompakte Metallhalogenidentladungslampe |
HU205485B (en) * | 1986-10-20 | 1992-04-28 | Tungsram Reszvenytarsasag | Metal halogen discharge lamp containing alkali-halogenide additive |
DE9002959U1 (de) * | 1990-03-15 | 1990-05-17 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De | |
US5064395A (en) * | 1990-10-01 | 1991-11-12 | Gte Products Corporation | Compact outer jacket for low wattage discharge lamp |
CA2062889A1 (en) * | 1991-04-22 | 1992-10-23 | John M. Washick | Silicon nitride coatings in metal halide lamps to reduce sodium loss |
DE9112690U1 (de) * | 1991-10-11 | 1991-12-05 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen, De | |
JPH0631029U (ja) * | 1992-09-22 | 1994-04-22 | 住友電装株式会社 | シールド電線の端末部分の保護構造 |
-
1993
- 1993-10-06 DE DE4334074A patent/DE4334074A1/de not_active Withdrawn
-
1994
- 1994-06-30 CN CN94193691A patent/CN1066853C/zh not_active Expired - Fee Related
- 1994-06-30 EP EP94919552A patent/EP0722616B1/de not_active Expired - Lifetime
- 1994-06-30 US US08/619,536 patent/US5729091A/en not_active Expired - Fee Related
- 1994-06-30 DE DE59408733T patent/DE59408733D1/de not_active Expired - Fee Related
- 1994-06-30 WO PCT/DE1994/000753 patent/WO1995010120A1/de active IP Right Grant
- 1994-06-30 HU HU9503684A patent/HU216672B/hu not_active IP Right Cessation
- 1994-06-30 JP JP51053495A patent/JP3176631B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4334074A1 (de) | 1995-04-13 |
HU216672B (hu) | 1999-08-30 |
DE59408733D1 (en) | 1999-10-14 |
CN1066853C (zh) | 2001-06-06 |
US5729091A (en) | 1998-03-17 |
CN1132569A (zh) | 1996-10-02 |
EP0722616A1 (de) | 1996-07-24 |
HUT73122A (en) | 1996-06-28 |
JPH08511127A (ja) | 1996-11-19 |
WO1995010120A1 (de) | 1995-04-13 |
HU9503684D0 (en) | 1996-02-28 |
JP3176631B2 (ja) | 2001-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE10354868B4 (de) | Quecksilber-freie Bogenentladungsröhre für eine Entladungslampeneinheit | |
DE69817140T2 (de) | Quecksilberfreie metallhalogenidlampe | |
EP0588284B1 (de) | Metallhalogenid-Entladungslampe | |
EP0535311B1 (de) | Hochdruckentladungslampe kleiner Leistung | |
DE69817493T2 (de) | Hochdruck metallhalogenidlampe | |
EP0841686B1 (de) | Metallhalogenid-Hochdruckentladungslampe | |
EP0453893B1 (de) | Hochdruckentladungslampe | |
DE69825700T2 (de) | Metallhalogenidlampe | |
DE3329280A1 (de) | Metallhalogenid-bogenentladungslampe und verfahren zu ihrer herstellung und zu ihrem betrieb | |
EP0714551B1 (de) | Metallhalogenidentladungslampe für fotooptische zwecke | |
EP0637056B1 (de) | Hochdruckentladungslampe | |
DE10245000B4 (de) | Quecksilberfreie Lichtbogenröhre für Entladungslampeneinheit | |
EP0722616B1 (de) | Metallhalogenidentladungslampe | |
DE3008518C2 (de) | Elektrode für eine Entladungslampe | |
DE2707204C2 (de) | Hochdruck-Entladungslampe mit Metallhalogenid-Zusatz | |
DE69816390T2 (de) | Metallhalogenid Lampe | |
DE3038993C2 (de) | Metalldampfentladungslampe | |
DE60128417T2 (de) | Hochdruckentladungslampe | |
DE2346132A1 (de) | Keramik-entladungslampe | |
DE10245228B4 (de) | Quecksilberfreie Bogenentladungsröhre für Entladungsleuchteneinheit | |
DE2627380C3 (de) | Metalldampf-Hochdruckentladungslampe für horizontalen Betrieb | |
EP0702394B1 (de) | Metallhalogenid-Hochdruckentladungslampe | |
EP1032022B1 (de) | Metallhalogenidlampe mit keramischem Entladungsgefäss | |
DE10356762B4 (de) | Entladungslampe vom Kurzbogentyp | |
DE2422576C3 (de) | Quecksilberdampflampe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19960308 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): BE DE FR GB IT NL |
|
17Q | First examination report despatched |
Effective date: 19960828 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): BE DE FR GB IT NL |
|
REF | Corresponds to: |
Ref document number: 59408733 Country of ref document: DE Date of ref document: 19991014 |
|
ITF | It: translation for a ep patent filed |
Owner name: STUDIO JAUMANN P. & C. S.N.C. |
|
ET | Fr: translation filed | ||
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19991110 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20050615 Year of fee payment: 12 Ref country code: BE Payment date: 20050615 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20050617 Year of fee payment: 12 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060630 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20060630 Year of fee payment: 13 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070101 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 20070101 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20070228 |
|
BERE | Be: lapsed |
Owner name: *PATENT-TREUHAND-G.- FUR ELEKTRISCHE GLUHLAMPEN M. Effective date: 20060630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060630 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20080818 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20080616 Year of fee payment: 15 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20070630 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20090630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100101 |