WO2011029741A1 - Lampeneinheit - Google Patents
Lampeneinheit Download PDFInfo
- Publication number
- WO2011029741A1 WO2011029741A1 PCT/EP2010/062640 EP2010062640W WO2011029741A1 WO 2011029741 A1 WO2011029741 A1 WO 2011029741A1 EP 2010062640 W EP2010062640 W EP 2010062640W WO 2011029741 A1 WO2011029741 A1 WO 2011029741A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lamp unit
- unit according
- lamp
- reference ring
- reflector
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/192—Details of lamp holders, terminals or connectors
Definitions
- the invention relates to a lamp unit according to the upper ⁇ concept of claim 1.
- Such a lamp unit can be used in principle in a variety of single-ended lamps. However, the main area of application is expected to be in lamps ⁇ units for vehicle headlights.
- a lamp unit for such motor vehicle headlights is described, for example, in EP 1 605 490 A2 and DE 10 2005 009 902 A1.
- the lamp unit has a discharge lamp as duktberace example, under the product "Xenarc TM" marketed.
- This high-pressure discharge lamp has a one or multi-piece lamp socket over which they can be used in one version of reflectors ⁇ door of a motor vehicle headlight.
- one or more referencing are at a Referenzierring the base ornamental and formed Kodieraus foundedungen acting with appropriate ⁇ speaking projections on the socket of the reflector together, so that the lamp only Furthermore, this referencing prevents the use of lamps of an unintended type in a vehicle headlight.
- a plurality of radially projecting additional elements which are part of the headlamp, are additionally arranged on the base of the high-pressure discharge lamp, on which mechanical components, for example clamps, brackets, Kochschkar ⁇ fige attack or the like to the socket in the socket of the reflector.
- Lam ⁇ penticianen are constructed for a relatively complex, since the additional components must be provided for fixing the position. On the other hand, the assembly effort is increased by the attachment of additional components.
- the invention has for its object to provide a simply constructed and with little effort to mon ⁇ animal lighting unit.
- the lamp unit is configured with a lamp that is inserted into a reflector, and ei ⁇ NEN base with a reference ring has, on which a Referenzier construction is at least formed. This cooperates with a corresponding referencing element of a version of the reflector.
- the connection of the lamp with the reflector by means of a detachable bayonet ⁇ ses.
- the lamp can be connected directly to the reflector, so that the complex assembly of the additional components, such as the above-described brackets, brackets or throwaway cages can be omitted and thus both the device ⁇ technical effort and the assembly cost is reduced ,
- the Baj onettver gleich has formed on the reference ring, circumferentially opening free cuts, which are assigned from a In ⁇ nen ownedsflache the socket radially projecting bayonet ⁇ cam. These are when inserting the lamp in the reflector in coverage with the cutouts and engage behind the reference ring in the locked state.
- a stop cam on the inner peripheral surface is approximately at ei ⁇ ner same axial height as the support pin keptbil- Det and has an approximately in a longitudinal direction of the reflector towards the bayonet cams extending and spaced to the nen occupationalsflache stop portion.
- the stopper portion When inserting the lamp, the stopper portion dips into a locking groove of the reference ring, wherein when locking a Nutrandabrough the locking groove runs onto the stop cam.
- the latching groove can be formed with little device complexity as a recess in the side walls of a free-cutting.
- the lamp cap in the circumferential direction of the stopper portion may be engaged behind in a locking position of the lamp by a formed on a base surface of the free-cutting locking projection.
- a formed on a base surface of the free-cutting locking projection In order to enable an essentially play-free locking of the lamp socket in the reflector can be designed so the latching groove, that is tensioned in the locking posi ⁇ tion of the reference ring over the stop cam against the inner circumferential surface approximately opposite the arrival schlagnockens formed bias increases.
- a radial recess in the inner peripheral surface is introduced approximately between the bayonet cams and the support pin.
- an elongated spring hook is arranged approximately along an inner diameter of the inner peripheral surface extending.
- a hook section of the spring hook protrudes. Dial inside, on which a section of the free-cutting of the reference ring runs when locking.
- a spring shaft of the spring hook is designed such that this gelungsposition the reference ring in the Verrie- tensioned against the formed on the inner peripheral surface approximately opposite the spring hook pretensioner ⁇ heightening.
- the additional components for fixing the position of the lamp in the reflector - to a lamp according to the invention are used in a conventional reflector, however, this can be carried out in a conventional manner with additional radial pin for supporting the additional components.
- This variant can then be used optionally in conventional sockets as well as in sockets according to the invention.
- the free cuts extend approximately to the outer circumference of a base sleeve from which the reference ring projects radially.
- the free cuts are made approximately rectangular.
- three reference knobs and three support pins are provided to ensure the frontal positioning of the lamp ⁇ tion in the reflector.
- the lamp unit is preferably carried out with a high pressure ⁇ discharge lamp for a motor vehicle headlight.
- FIG. 1 shows a three-dimensional schematic representation of a lamp unit according to the invention according to a first embodiment
- FIG. 2 shows a lamp of the lamp unit of FIG. 1 according to the first embodiment
- FIG. 3 is a front view of the lamp of FIG. 2 according to the first embodiment
- FIG. 4 shows a rear view of the lamp from FIG. 2 according to the first exemplary embodiment
- FIG 5 is a detail view of a reflector of the lamp unit of Figure 1 according to the first embodiment ⁇ example.
- FIG. 6 is a rear view of the lamp unit of FIG. 1 according to the first embodiment
- FIG. 7 is a detail view of the reflector of the lamp unit according to a second embodiment
- Fig. 8 shows a detail illustration of a reference ring ge ⁇ Mäss the second embodiment
- FIG. 11 is a detail view of the reflector of the lamp unit according to a third embodiment
- FIG. 12 is a detail view of the reflector according to the third embodiment.
- Figure 1 shows a three dimensional view of an OF INVENTION ⁇ to the invention the lamp unit 1 with an inserted into a reflector 2 of a motor vehicle headlight high ⁇ pressure discharge lamp 4.
- This may for example be a metal halide high-pressure discharge lamp with an electrical power consumption of approximately 25 W or Dl- to D4 Be a lamp.
- Such high-pressure discharge lamps are well known from the prior art, for example EP 1605490 A2 or EP 0786791 Bl so that here only for the understanding of the invention we ⁇ sentlichen devices are explained and the rest of the cited prior art is referenced.
- the peculiarity of the lamp unit 1 shown in Figure 1 is that the reflector 2 and the high-pressure discharge lamp 4 are connected to each other by means of a bayonet fitting 6, which is dispensed with in contrast to conventional solutions to additional components such as brackets, stirrups or pullout cages.
- FIG 2 shows a detail view of a mercury-free high-pressure discharge lamp 4.
- This has a non-visible discharge vessel having an interior space in the two diametrically arranged electrodes project thereinto, which melted into the discharge vessel Metallfo ⁇ lie with in each case a power supply line 10 and a further, not shown, power supply are connected.
- This is not visible in Figures 1 and 2, reference numbers with the loading 8 indicated discharge vessel is accommodated in an outer bulb 9 which is also made of quartz glass and is optionally provided with an ultraviolet-ray absorbie ⁇ leaders coating.
- the external power supply 10 visible in FIGS. 1 and 2 is connected to a contact ring 14 arranged peripherally on a base 12.
- the axial power supply not shown, is contacted with a central contact pin 16 of the base 12 (see Fig.2).
- an ionizable filling is accommodated, which consists for example of harnessrei ⁇ nem xenon gas and a plurality of metal halides.
- multi-part socket 12 is embedded with a protruding to the outer bulb 9 out spring tongues 18 executed metal ring.
- the designed as welding flags spring tabs 18 are one arched onto the outer bulb 9 supporting cuff 20 and ver ⁇ connected with this example, by welding.
- the high-pressure discharge lamp 4 is reliably position-centered in the axial direction.
- FIG. 3 shows a front view
- FIG. 4 shows a rear view of the high-pressure discharge lamp 4 according to FIG. 2.
- the base 12 has a base sleeve 22, from which a reference ring 24 projects circumferentially in the radial direction.
- the remote from the reference ring 24 end portion of the So ⁇ ckelhülse 22 via a radial step in a contact collar 26 via, on the outer circumference of the circumferential contact ring 14 is formed and which surrounds the central contact ⁇ pin 16 at a distance.
- diamet- ral mutually arranged radial pins 28 which serve to Bajonetttechnik an electrical plug.
- these two radial pins 28 have no function.
- the formed on the base sleeve 22 reference ring 24 has at least one coding groove 30, which is performed in the illustrated embodiment as a semi-circular recess ⁇ .
- this coding groove or coding grooves it is ensured that only a certain type of high-pressure discharge lamp 4 can be inserted into the motor vehicle headlight in a predetermined relative position.
- the guide ring 24 is provided with three uniformly distributed free cuts 32a, 32b, 32c, which in the illustration according to FIGS. 3 and 4 have an approximately rectangular cross section and extend from the outer circumference of the reference ring 24 all the way to the Base socket 22 extend.
- FIG 3 34 of the reference ring 24 has three opposite the free are on an outer piston-side end face ⁇ cut 32 and the coding groove 30 offset, also uniformly distributed on the circumference reference knobs 36a, 36b, provided 36c which protrude slightly from the end face 34 in Axi ⁇ alraum and be placed in Appendix with elements of the reflector explained later to set the Axialpo ⁇ position of the high-pressure discharge lamp in the reflector.
- the outer current-to ⁇ guide 10 is connected to a contact plate 38 which is also visible in the bottom view according to Figure 4 and was ⁇ neterrorism is contacted with the contact ring fourteenth
- a rear end face 40 of the reference ring 24 has three each Benach ⁇ discloses arranged into one of the cutouts 32 Anfordno ⁇ CKEN 42a, 42b, 42c, extending in the depicting ⁇ lung according to figure 4 from the rear End face 40 also extend to the viewer.
- these stop cams 42a, 42b, 42c limit the relative rotation between the discharge lamp 4 and the reflector 2.
- FIG. 1 shows a three-dimensional representation of the Re ⁇ reflector pre- vents 2 of the lamp unit 1 according to Figure 1.
- This re ⁇ Flektor has a visible in Figure 1, designed with a view to an optimum beam alignment Reflekti- onsthesis 44 and a socket 46 which is approximately as Zylin - derabrough is executed.
- the three reference knobs abut on the front end face 34 of the reference ring 24 on the adjacent end faces of the three support pins 52a, 52b, 52c for adjusting the axial position.
- the discharge lamp 4 is clamped in the axial direction between the support pin 52 and the bayonet cam 50 and in the circumferential direction by the reference ring 24 encompassing socket 46 fixed in place, so that with extremely simple construction zuver ⁇ casual relative positioning between the reflector 2 and high-pressure discharge lamp 4th is guaranteed.
- the one- or multi-part base 12 is made of a suitable plastic, wherein the contact elements described are from ⁇ cut-way encapsulated.
- the reflector is provided with egg ⁇ ner suitable coating and also made of plastic.
- FIG. 6 shows, in a three-dimensional representation, the reflector 2 of the lamp unit 1 from FIG. 1 according to a second exemplary embodiment.
- a ring 54 is formed approximately at the same axial height as the support pin 52.
- the inner diameter of the ring 54 is approximately between see the diameter of the inner peripheral surface 48 and the inner diameter of the support pin 52.
- On the ring 54 is approximately between the two support pins 52a and 52b to the region of the bayonet cam 50a an elongated stop ⁇ cam 56 is formed, which extends approximately in the longitudinal direction of the reflector 2.
- a stopper portion 58 of the arrival glernockens 56 cantilevers out while longitudinally to the Ba ⁇ jonettnocken 50a.
- the stop cam 56 serves to limit the relative rotation between the discharge lamp 4 and the reflector 2 from FIG. 1.
- the reference ring 24 of the base 12 from FIG. 12 shown in FIG. 8 has a cutout 60 with a latching groove 62, into which when inserting the reference ring 24 in the reflector 2 of the stop cam 56 with the stopper portion 58 of Figure 7 is immersed.
- a respective recess 68 or 70 is introduced into a respective side wall 64 and 66 of the cutout 60.
- a INTERLOCKS ⁇ lung projection 72 is formed on a base surface of the cut 60, of the abutment portion 58 of the stop cam 56 engages in an interlocking position of the reference ring 24 of Figure 7, which will be explained in more detail below.
- FIG. 9 shows the reflector 2 together with the reference ring 24 inserted therein in accordance with the second exemplary embodiment.
- the reference ring 24 without the base 12 from FIG. 2 is shown.
- the cutouts 32b, 32c and 60 coincide with the bayonet cams 50a, 50b, 50c and the coding groove 30 coincide with the corresponding henden referencing element of the reflector 2 are brought into Kochde ⁇ ckung.
- the stop section 58 of the An ⁇ schlagnockens 56 of Figure 7 is immersed in the right in Figure 8 recess 70 of the locking groove 62.
- Figure 11 shows a perspective view of the reflector 2 according to a third embodiment.
- the mount 46 is stepped back in a circle-segment-like manner from a rear end face 82 in the axial direction between the two upper contact pins 52a, 52b arranged in FIG. 11 with a recess 84.
- This extends in the axial direction approximately to the ring 54 adjacent to the Referenzierelement 86 and the upper left in Figure 11 support pin 52a.
- From a left side surface 88 of the recess 84 projects a spring hook 90 approximately in the circumferential direction.
- This has an elongated shaft 92 and a spring with about ⁇ tig the recess 84 radially inwardly bend of hook portion 94.
- the spring hook 90 serves for positioning the lamp cap 12 in the circumferential direction and for clamping the reference ring 24.
- the bayonet cams 50a, 50b, 50c are formed on a separate retaining ring 96. This is fixed to the reflector 2, which can be seen in FIG. 12, in such a way that the bayonet cams 50 are positioned corresponding to the preceding exemplary embodiments.
- FIG. 13 shows the reflector 2 together with the reference ring 24 of the first exemplary embodiment from FIG. 4 in FIG an insertion position.
- the hook portion 94 of the spring hook 90 of Figure 11 is immersed in the upper cutout 32 a of the reference ring 24.
- the hook section 94 comes into abutment against a left side face 98 of the upper cutout 32a, whereby the reference ring 24 is positioned in the circumferential direction.
- this has the spring shaft 92 adjacent to the hook portion 94 a radially inwardly facing camber 100.
- bayonet cams 50a, 50b, 50c of Figure 12 slightly toward ⁇ turned into the plane of the drawing are.
- 24 V-shaped elevations 104 are formed on the bayonet cams 50 toward the reference ring.
- a lamp unit with a high-pressure discharge lamp which is used in a reflector, preferably a motor vehicle headlight.
- the lamp has a base with a reference ring, which is connected via a bayonet interface with socket of the reflector.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/394,817 US8770799B2 (en) | 2009-09-08 | 2010-08-30 | Lamp unit |
CN201080040007.6A CN102483211B (zh) | 2009-09-08 | 2010-08-30 | 灯单元 |
JP2012528311A JP5511964B2 (ja) | 2009-09-08 | 2010-08-30 | ランプユニット |
EP10751615.5A EP2475930B1 (de) | 2009-09-08 | 2010-08-30 | Lampeneinheit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009040572A DE102009040572A1 (de) | 2009-09-08 | 2009-09-08 | Lampeneinheit |
DE102009040572.0 | 2009-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011029741A1 true WO2011029741A1 (de) | 2011-03-17 |
Family
ID=43088072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/062640 WO2011029741A1 (de) | 2009-09-08 | 2010-08-30 | Lampeneinheit |
Country Status (6)
Country | Link |
---|---|
US (1) | US8770799B2 (de) |
EP (1) | EP2475930B1 (de) |
JP (1) | JP5511964B2 (de) |
CN (1) | CN102483211B (de) |
DE (1) | DE102009040572A1 (de) |
WO (1) | WO2011029741A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102829344B (zh) * | 2011-06-15 | 2014-10-01 | 海洋王照明科技股份有限公司 | 带反光杯的灯具 |
JP5679390B1 (ja) * | 2014-06-30 | 2015-03-04 | 有限会社シーアールサービス | 車両用前照灯 |
CN105737053A (zh) * | 2014-12-10 | 2016-07-06 | 广东雪莱特光电科技股份有限公司 | 汽车氙气灯 |
US10036519B2 (en) | 2015-04-28 | 2018-07-31 | Brian Moon | Modular LED retrofit lamp system |
CN106195843B (zh) * | 2015-05-04 | 2018-06-15 | 常州星宇车灯股份有限公司 | 汽车前照灯氙气灯泡固定结构 |
CN105299562A (zh) * | 2015-10-28 | 2016-02-03 | 重庆雷嘉光电科技有限公司 | 一种汽车双光透镜照明系统 |
JP6738532B2 (ja) * | 2016-05-27 | 2020-08-12 | 東芝ライテック株式会社 | 車両用照明装置、および車両用灯具 |
EP3538815B1 (de) * | 2016-11-09 | 2022-04-13 | Lumileds LLC | Beleuchtungsvorrichtung mit einer austauschbaren beleuchtungskappe |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0786791B1 (de) | 1996-01-25 | 1999-11-17 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Elektrische Lampe |
US20020003391A1 (en) * | 2000-07-07 | 2002-01-10 | Toshiaki Tsuda | Discharge lamp device and an insulating plug therefor |
EP1455134A1 (de) * | 2003-03-06 | 2004-09-08 | Valeo Vision | Befestigungsvorrichtung für eine Lampe |
EP1605490A2 (de) | 2004-05-19 | 2005-12-14 | Patent -Treuhand-Gesellschaft für elektrische Glühlampen mbH | Fahrzeuglampe |
DE102005009902A1 (de) | 2005-03-01 | 2006-09-07 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Sockel für eine Lampe |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4774645A (en) * | 1986-11-20 | 1988-09-27 | Ichikoh Industries Limited | Replaceable lamp bulb assembly |
JPH077045Y2 (ja) * | 1987-12-10 | 1995-02-22 | 池貝鉄工株式会社 | 工作機械 |
JPH0392302U (de) | 1989-12-29 | 1991-09-19 | ||
JP3152562B2 (ja) * | 1994-05-10 | 2001-04-03 | 株式会社小糸製作所 | 自動車灯具用口金付バルブの挿着構造 |
DE19616409A1 (de) * | 1996-04-24 | 1997-10-30 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Elektrische Lampe |
JP3163257B2 (ja) | 1996-09-06 | 2001-05-08 | 株式会社小糸製作所 | 車輌用前照灯 |
JP3280284B2 (ja) * | 1997-07-25 | 2002-04-30 | スタンレー電気株式会社 | 前照灯灯具 |
FI115207B (fi) * | 2001-10-10 | 2005-03-31 | B Herrmans Ab Oy | Polttimon pidike |
US6773138B2 (en) * | 2002-04-09 | 2004-08-10 | Osram Sylvania Inc. | Snap together automotive led lamp assembly |
JP2007520855A (ja) | 2003-10-30 | 2007-07-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | キー機能付口金を具えるランプ及びかかるランプを製造する方法 |
EP2062816A1 (de) * | 2007-11-20 | 2009-05-27 | Airbus Deutschland GmbH | Schlafmodul mit einem ersten Teilbereich, welcher direkten Zugang zu einem zweiten Teilbereich bietet |
-
2009
- 2009-09-08 DE DE102009040572A patent/DE102009040572A1/de not_active Withdrawn
-
2010
- 2010-08-30 CN CN201080040007.6A patent/CN102483211B/zh not_active Expired - Fee Related
- 2010-08-30 US US13/394,817 patent/US8770799B2/en not_active Expired - Fee Related
- 2010-08-30 EP EP10751615.5A patent/EP2475930B1/de not_active Not-in-force
- 2010-08-30 WO PCT/EP2010/062640 patent/WO2011029741A1/de active Application Filing
- 2010-08-30 JP JP2012528311A patent/JP5511964B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0786791B1 (de) | 1996-01-25 | 1999-11-17 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Elektrische Lampe |
US20020003391A1 (en) * | 2000-07-07 | 2002-01-10 | Toshiaki Tsuda | Discharge lamp device and an insulating plug therefor |
EP1455134A1 (de) * | 2003-03-06 | 2004-09-08 | Valeo Vision | Befestigungsvorrichtung für eine Lampe |
EP1605490A2 (de) | 2004-05-19 | 2005-12-14 | Patent -Treuhand-Gesellschaft für elektrische Glühlampen mbH | Fahrzeuglampe |
DE102005009902A1 (de) | 2005-03-01 | 2006-09-07 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Sockel für eine Lampe |
Also Published As
Publication number | Publication date |
---|---|
US20120176798A1 (en) | 2012-07-12 |
US8770799B2 (en) | 2014-07-08 |
JP5511964B2 (ja) | 2014-06-04 |
JP2013504174A (ja) | 2013-02-04 |
CN102483211B (zh) | 2014-05-07 |
CN102483211A (zh) | 2012-05-30 |
DE102009040572A1 (de) | 2011-03-10 |
EP2475930A1 (de) | 2012-07-18 |
EP2475930B1 (de) | 2016-05-18 |
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