EP2754166A1 - Baugruppe für eine entladungslampe und entladungslampe - Google Patents
Baugruppe für eine entladungslampe und entladungslampeInfo
- Publication number
- EP2754166A1 EP2754166A1 EP12732573.6A EP12732573A EP2754166A1 EP 2754166 A1 EP2754166 A1 EP 2754166A1 EP 12732573 A EP12732573 A EP 12732573A EP 2754166 A1 EP2754166 A1 EP 2754166A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- lamp
- assembly
- tabs
- discharge lamp
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 10
- 239000010935 stainless steel Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 238000007142 ring opening reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 101150107341 RERE gene Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012799 electrically-conductive coating Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NQLVQOSNDJXLKG-UHFFFAOYSA-N prosulfocarb Chemical compound CCCN(CCC)C(=O)SCC1=CC=CC=C1 NQLVQOSNDJXLKG-UHFFFAOYSA-N 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/48—Means forming part of the tube or lamp for the purpose of supporting it
Definitions
- the invention relates to an assembly for a Entla pressure discharge lamp according to the preamble of claim 1 and a discharge lamp with such an assembly.
- Such an assembly and discharge lamp is disclosed, for example, in WO 2011/033417 A2.
- This document describes an assembly with a Lampengefäß- unit, the lamp vessel unit with a clamping fit to ⁇ closing cuff, a mounting ring for mounting the assembly to a lamp base and tabs for fixing the sleeve to the mounting ring.
- the assembly according to the invention has a Lampengefäßein ⁇ unit , a the lamp vessel unit with clamping seat enclosing cuff, a mounting ring for mounting the module to a lamp base and tabs for fi ⁇ x réelle the cuff on the mounting ring.
- the tabs are on one, in the mounted state facing the lamp base of the discharge lamp Side of the mounting ring, which is referred to throughout the text for the purpose of better understanding ⁇ consistently as the underside of the fastening ⁇ tion ring, fixed.
- the buildin ⁇ actuation ring is first referred to the term "bottom" is defined.
- the lamp vessel of the unit to the invention OF INVENTION ⁇ assembly is supported ⁇ tert means of the sleeve and the lugs in the ring opening of the mounting ring.
- This lamp vessel unit has a first end which is attached ⁇ arranged after the mounting of the assembly in the lamp base, and a second end facing away from the assembly after the assembly of lamp cap.
- the side of the fastening ring which faces the lamp base and also the first end of the lamp vessel after assembly of the assembly, is referred to as underside of the fastening ring.
- the other ⁇ side of the mounting ring which faces away from the lamp base after assembly of the assembly and faces the second end of the lamp vessel unit, referred to as the top of the mounting ring.
- Bottom and top of the mounting ring each form a plane perpendicular to the ring axis of the mounting ring level.
- the first end of the lamp vessel unit is also referred to as the socket-near end of the lamp vessel unit and the second end of the lamp vessel unit is analogously also characterized as the base end remote from the lamp vessel unit be ⁇ .
- the underside of the fastening ring accordingly denotes that side of the fastening ring which faces the socket-near end of the lamp vessel unit.
- the upper side of the fastening ring is the that side of the mounting ring which faces the socket-distal end of the lamp vessel unit.
- the terms "bottom” and “top” of the mounting ring are for better understanding and are based on the representation in the figures.
- the discharge lamp ⁇ invention is preferably in a horizontal position, i.e., operated with a horizontally aligned and horizontally extending discharge arc lamp vessel unit.
- the holder of the lamp vessel unit is simplified and verbes ⁇ sert.
- the tabs of the assembly according to the invention can therefore be substantially outside of the ring opening of the mounting ring, in particular below the underside of the mounting ring run.
- enough space for the design of a spring action of the tabs and the welding of the tabs with the sleeve and the mounting ring is created.
- the tabs of the assembly according to the invention lie in a contact region on the sleeve, which preferably below the underside of the fastening ring, that is, in a region between the underside of the fastening ring ⁇ tion and the socket near end of Lampengefäßein- unit is arranged so that they each have a smaller distance to the bottom than to the top of the fastening ⁇ supply ring.
- the tabs are arranged outside the annular opening of the fastening ring and the sleeve with the abovementioned contact area can be arranged in the lamp base or in the region of an opening of the lamp base after assembly of the module and the section of the lamp vessel unit protruding from the lamp base can thus be correspondingly shortened ,
- the tabs are advantageously formed as part of egg ⁇ nes ring, which is hereinafter referred to as tab ring and which is fixed to the underside of the fastening ⁇ supply ring.
- the tab ring makes it possible to manufacture all tabs from a stamped sheet metal part or deep drawn part and allows easy fixation of La ⁇ rule on the underside of the mounting ring by means of welded connection between the tab ring and the mounting ring.
- the tabs are each formed on the inner ⁇ side along the circumference of the tab ring and each extending in the direction of the ring axis of the lamellae ring and have from the ring plane of the lugs ⁇ rings outstanding tab sections.
- ⁇ environment can be achieved in a simple manner that the pointing in the direction of the ring axis ends of the tabs with spring action on the sleeve.
- the tab ring advantageously also has meh ⁇ rere welding tabs that are used for welding to the lamp cap.
- the tab ring can also be connected to the lamp cap and the strength of the connection between the assembly and the lamp cap can be increased.
- the mounting ring of the assembly according to the invention preferably has recesses for receiving webs of the lamp cap.
- the assembly can be fixed by means of the mounting ring on the lamp base.
- first the spatial orientation and position of the lamp vessel unit with respect to the top of the mounting ring by means of the tabs and the sleeve can be determined and then the assembly are mounted by means of the mounting ring on the lamp base of the discharge lamp, the top of the mounting ring after the assembly defines a reference plane for the alignment of the discharge lamp in a vehicle headlight with respect to the optics of the vehicle ⁇ headlamp.
- the mounting ring is preferably used in this case as a reference ring for the alignment of the lamp vessel unit and its in ⁇ closed bulb with respect to the lamp base and with respect to the optics of the vehicle headlamp.
- the fastening ring is therefore designed to be stiff against twisting and bending.
- the fastening ring can be formed in one or more parts.
- the collar, the tabs or the tab ring and the mounting ring of the assembly according to the invention are preferably made of metal to allow welded joints between these components.
- the cuff can thereby be connected to the electrical ground reference potential of a discharge lamp operating device to serve as a starting aid.
- the discharge lamp according to the invention has a Lam ⁇ pensockel, in the interior of which components of an operating device for the discharge lamp are arranged, and an assembly having a lamp vessel unit, a lamp vessel unit with clamping seat enclosing sleeve, a mounting ring and tabs for fixing the sleeve on the mounting ring wherein this assembly is arranged such that the underside of the attachment ring connected to the tabs faces the lamp cap and one end of the lamp vessel unit protrudes through an opening into the interior of the lamp cap, and wherein the attachment ring is connected to the lamp cap.
- the discharge lamp of the invention has an executable as a prefabricated structural unit assembly which can be quantitative added in a simple manner by means of the mounting ring in the lamp base with the components of the operating device together.
- the assembly with a lamp vessel already adjusted unit, i.e. with a lamp vessel unit whose cavities ⁇ Liche orientation and position is adjusted with respect to the upper surface of the mounting ring, to be provided.
- the trapped in the lamp vessel unit adjusted as illuminants serving gas discharge electrodes with respect to the top of the mounting ring.
- the lamp cap of the discharge lamp to the invention OF INVENTION ⁇ webs which are arranged in recesses of the fixing ring in order to enable a reliable anchoring of the assembly to the lamp base.
- the webs are preferably positioned along the periphery of Publ ⁇ voltage in the lamp socket, to cooperate with properly fitting recesses along the ring circumference on the inside or outside of the ring fastener.
- the webs may have different shapes aufwei ⁇ sen, in order to defi ⁇ a clear alignment of the mounting ring or the assembly with respect to the lamp cap.
- the webs are preferably made of metal to weld between them and the mounting ring to allow.
- the webs are each preferably ⁇ wells ver ⁇ welded with a welding flange of the tab ring in order to increase the strength of the connection between the lamp cap and of the module.
- the collar or at least ei ⁇ ne of the tabs or the mounting ring is connected to the electrical ground reference potential of the operating device of the discharge lamp according to the invention.
- the sleeve for example together with an electrically conductive coating on the lamp vessel unit, can serve as a starting aid for the ignition of the gas discharge in the discharge lamp.
- the metallized surface of the lamp cap or its metallic housing connected to the electrical Massebezugspo ⁇ potential of the operating device and used as electromagnetic shielding, thereby the electromagnetic compatibility of the invention Discharge lamp to improve.
- the discharge lamp according to the invention is preferably designed as a high-pressure discharge lamp, which serves as a light source in a motor vehicle headlight.
- all components of the operating device for the high-pressure discharge lamp are preferably arranged, so that the electrical connections of the high-pressure discharge lamp for supplying energy from the outside only the vehicle electrical system voltage of the motor vehicle must be supplied.
- the operating device thus comprises in addition to the gas discharge igniting the ignition device also the components that are required to generate the operating voltage and the power control of the high pressure discharge lamp.
- Figure 1 is a partially sectioned, schematic Dar ⁇ position of the assembly for a discharge lamp according to the first embodiment of the invention
- Figure 2 is a plan view of the top of the fastening ⁇ supply ring of the assembly shown in Figure 1 without lamp vessel unit
- Figure 3 is a plan view of the underside of the mounting ring of the assembly shown in Figure 1 without lamp vessel unit
- FIG. 4 A view of the shown in Figure 1 Structural Component ⁇ pe with a fixed mounting ring portion of the lamp cap 5 is a fragmentary view of the inside of the fixing ring with the fixed ring at the mounting ⁇ portion of the lamp socket of FIG. 4
- FIG. 6 shows a plan view of the discharge lamp according to the preferred exemplary embodiment of the invention. tion with the assembly shown in Figures 1 to 5 in a schematic representation
- FIG. 7 shows a cross section through the discharge lamp shown in FIG. 6 in a schematic representation
- Figure 8 is a partially sectioned, schematic Dar ⁇ position of the assembly for a discharge lamp according to the second embodiment of the OF INVENTION ⁇ dung after mounting on the lamp base 9 is a partially sectioned, schematic Dar ⁇ position of the assembly for a discharge lamp according to the third embodiment of the OF INVENTION ⁇ after mounting on the lamp base
- Figure 10 is a partially sectioned, schematic representation of the assembly for a discharge lamp according to the fourth embodiment of the inven ⁇ tion after mounting on the lamp base
- Figure 11 is a fragmentary view of the connection between the mounting ring and tab ring of the assembly shown in Figure 10
- Figure 12 is a plan view of a welding tab of the La ⁇ rule ring of the assembly shown in Figure 10 and 11
- FIGS. 1 to 5 show details of an assembly according to the first exemplary embodiment of the invention and its attachment to the lamp base of a high-pressure discharge lamp.
- This module serves as a unit for a high-pressure discharge lamp, which is provided as a light source in egg ⁇ nem force vehicle headlights.
- the aforementioned assembly 1 consists of a cylindrical Wesent ⁇ union lamp vessel unit 100, a lamp vessel unit 100 with a clamping fit enclosing the metallic sleeve 120, a mounting ring 130 and a tab ring 140.
- the sleeve 120 is made of stainless steel, for example stainless steel with the material number 1.4016.
- the mounting ring 130 is made of stainless steel, for example, stainless steel with the material number 1.4301 or 1.4016 or 1.4003, and is stiff against twisting and bending formed. It has a thickness of 1.5 mm.
- the tab ring 140 is made of stainless steel, preferably made of cold-worked steel with the material number 1.4301, and is formed as a stamped sheet metal part and has a thickness of 0.3 mm.
- the tab ring 140 is coaxial with the mounting ring 130 in a recess 131 on the underside of the mounting ring 130 disposed and connected by several re laser welding points 147 with the bottom 131 of the fastening rings Be ⁇ 130th
- the tab ring 140 has four equidistant along its circumference on its inner side 141 formed tabs 142, 143, 144, 145, each extending in the direction of the ring axis of the tab ring 140 and protrude from the ring plane of the tab ring 140.
- the lugs 142, 143, 144, 145 are bent out of the ring plane of the lug ring 140 and away from the fastening ring 130 in such a way that they each spring-resiliently engage in a contact region 121 below the underside 131 of the fastening ring 130 on the collar 120. lie and are there connected to the sleeve 120 by laser welding ⁇ .
- the contact areas 121 between the tabs 142, 143, 144, 145 and the sleeve 120 are below the bottom 131 of the mounting ring 130, that is, they have a smaller distance to the bottom 131 of the mounting ring than to the top 132 of the mounting ring 130.
- the tabs 142nd , 143, 144, 145 therefore do not extend into the annular opening of the fastening ring 130.
- the fastening ring 130 has three recesses 134, 135, 136 arranged along its circumference on its inner side, each of which serves to receive a web of the lamp base. These recesses 134, 135, 136 are each bounded on three sides by a wall section 137 of the fastening ring 130 and on the fourth side by a section 146 of the tab ring 140.
- the respective section 146 of the tab ring 140 is preferably designed in each case as a welding tab 146, which is punched out of an annular disk-shaped section of the tab ring 140 and extends radially outward and protrudes from the ring plane of the tab ring 140.
- the lamp vessel unit 100 is held in the ring opening of the attachment ring 130 by means of the collar 120, the attachment ring 130 and the tab ring 140 including its four tabs 142, 143, 144, 145.
- the Lam ⁇ pengefäßtechnik 100 extends through the annular opening of the mounting ring 130, wherein the bottom 131 of the mounting ring 130 to the first, socket near end 101 of the lamp vessel unit 100 faces and the top 132 of the mounting ring 130 the second, sockelfer- NEN end 102 of the lamp vessel unit 100 faces.
- FIG. 1 shows a cross section through the assembly along the section line AB shown in FIG. In FIGS.
- the lamp vessel unit 100 has not been shown for the sake of clarity.
- the tab ring 140 is welded to the underside 131 of the mounting ring 130 and then ge the plugged by the sleeve 120 with clamping seat lamp vessel unit 100 through the ring opening of the mounting ring 130 and the tab ring 140 ge ⁇ inserted, so that the tabs 142, 143 , 144, 145 of the La ⁇ ring 140 bear resiliently against the sleeve 120.
- the lamp vessel unit 100 is aligned with the mounting ring 130 in such a manner with respect to that Gasentla ⁇ dung electrodes 111, take 112 on the upper surface 132 of the mounting ring 130 in the lamp vessel unit, the desired spatial position and orientation with respect to the three reference studs 133rd Subsequently, the tabs 142, 143, 144, 145 and the sleeve 120 are connected by laser welding in the contact areas 121 and the lamp vessel unit 100 is thereby fixed in this orientation. The complete assembly 1 can now be mounted on the lamp base 2 of the high-pressure discharge lamp.
- FIG. 4 shows the same sectional plane as FIG. 1.
- the lamp base 2 has a substantially cuboidal housing 200 and three webs 210, 220, 230, which are arranged along the edge of an opening 300 in a side wall 201 of the housing 200.
- the housing 200 is preferably made of metal, for example of aluminum, an aluminum alloy or a magnesium alloy.
- the assembly 1 is attached to the lamp base 2 such that the so ⁇ ckelnahe end 101 of the lamp vessel unit 100 through the opening 300 into the interior of the housing 200 projects and the three webs 210, 220, 230 in each case in one of the three recesses 134, 135th , 136 of the fastening ring 130 are arranged.
- the three webs 210, 220, 230 each have ⁇ wells a widened middle part 211, 221 which abuts the bottom 131 of the mounting ring 130th
- the widened center piece of the third web 230 is not visible in the figures.
- the center pieces 211, 221 of the three webs 210, 220, 230 are connected to the edge of a ringför ⁇ shaped collar 212, which forms the edge of the opening 300.
- 5 shows a plan view of the inner ⁇ page of attachment ring 130 and tab ring 140 in the direction of the shown in figure 2 the arrow X. 135, 136 In the Figure 2, in addition to the recesses 134 in the mounting ring 130 and the top edges of these Recesses 134, 135, 136 arranged webs 210, 220, 230 shown.
- the three webs 210, 220, 230 have at their upper edge two bumps 240, which serve to weld the webs 210, 220, 230 with the mounting ring 130.
- each of these webs 210, 220, 230 at a welding tab 146 of the tab ring 140 which welded to the respective web 210, 220 or 230 during assembly of the assembly 1 on the lamp cap 2 become.
- the number of welding tabs 146 corresponds to the number of webs 210, 220, 230.
- FIGS. 6 and 7 show details of the lamp base 2 and the lamp vessel unit 100 of the high-pressure discharge lamp.
- the lamp cap 2 has a substantially rectangular housing 200 having six me ⁇ -metallic side walls 201, 202, 203, 204, 205, 206, in whose interior components of an operating device for the high-pressure discharge lamp are arranged.
- the opening 300 for mounting the assembly 1 and for receiving the base ⁇ near end 101 of the lamp vessel unit 100 is arranged.
- the annular collar 212 described above is either integral with the side wall 201 of the housing 200 out ⁇ forms (Fig.
- the lamp base 2 is provided with the electrical connections for supplying power to the high-pressure discharge lamp. These electrical connections are attached to ⁇ ⁇ assigns, in the electrical connection portion 207 which projects through a side wall 202 of the housing 200th The electrical connections in the connection part 207, the vehicle electrical system voltage of the motor vehicle is supplied to the arranged in the interior 301 of the housing 200 Be ⁇ driving device of the high-pressure discharge lamp with elec ⁇ cal energy supply.
- the operating device also includes an ignition device for igniting the gas Charge in the high-pressure discharge lamp, which crizieriswei ⁇ se is formed in a known manner as a pulse ignition device and a high voltage transformer whose primary winding is arranged in the charging circuit of a Zündkondensators with parallel spark gap and its secondary winding during the ignition phase, the electrode 112 via the power supply 114th supplied with high voltage pulses to ignite the gas discharge.
- the high-voltage-carrying components of the ignition device can be existing walls separated from other components of the operating device in the interior 301 of the lamps ⁇ base 2 in order to increase the strength of the high-voltage lamps ⁇ base 2 by electrically insulating plastic.
- the operation device has for example a boost converter and a connected to the output of the boost converter full bridge inverter in which the bridge branch, the discharge distance ⁇ the high pressure discharge lamp is connected to the high pressure discharge lamp after the ignition phase, achieved in a known manner with a rectangular lamp current frequency, typically 500 Hz, to supply.
- the lamp vessel unit 100 of the high-pressure discharge lamp is formed by a double-sided sealed discharge vessel 103 made of quartz glass with gas discharge electrodes 111, 112 and filling for generating a gas discharge and an outer bulb 104 surrounding the discharge vessel 103.
- the filling is mercury-free and preferably contains Xenon and iodides of Natri ⁇ to, scandium, zinc, and indium.
- the outer bulb 104 is fused to the ends of the discharge vessel 103.
- the Gas discharge electrode 112 is connected to the sockelna ⁇ hen end 101 of the lamp vessel unit 100 projecting socket near power supply 114 and the other gas discharge electrode 111 is connected to the base end 102 of the lamp vessel unit 100 projecting socket remote power supply 113, which by means of a parallel to the lamp vessel unit 100 running, surrounded by a ceramic insulation 115 power supply section to the lamp base 2 is returned.
- the power supply lines 113, 114 are each connected to an electrical contact of the operating device.
- the Stromzu arrangementsab ⁇ surrounded by the ceramic insulation 115 of the base remote power supply 113 is guided through the ring opening of the mounting ring 130 and through an opening 148 in the tab ring 140 and through the opening 300 in the interior 301 of the housing 200 of the Lampenso ⁇ ckels 2.
- the module 1 can on the lamp vessel unit 100 and the rela- tive arrangement of attachment ring 130 and sleeve 120, respectively, the distance of the base proximal end 101 of the lamp vessel unit 100 to the bottom 131 of the Fixed To ⁇ supply rings 130 and the distance of remote from the base on the position of the sleeve 120 End 102 of the lamp vessel unit 100 to the top 132 of the mounting ring 130 and the immersion depth of the lamp vessel unit 100 in the interior 301 of the housing 200 of the lamp cap 2 are set.
- the distance between the ends of the Gasentladungselekt since ⁇ ⁇ by clearing 111, 112 to the definable by the three reference studs 133 on the upper surface 132 of the mounting ring 130 Reference level are set to the desired value.
- Half of the sum of the distances of the discharge-side ends of the two gas discharge electrodes 111, 112 to the aforementioned reference plane is referred to as light center length or LCL value.
- the LCL value of the high-pressure discharge lamp according to the invention can therefore be adjusted in the same way to a desired value of, for example, 18 mm.
- FIG. 8 schematically shows an assembly 1 'according to the second exemplary embodiment of the invention.
- the assembly 1 'according to the second embodiment of the invention differs from the assembly 1 ge ⁇ according to the first embodiment of the invention described above only by a different design of the tabs of the tab ring 140 and 140'. Therefore, the same reference numerals are used for identical parts of both embodiments in the figures and for their description, reference is made to the description of the assembly according to the first embodiment.
- the tab ring 140 ' also has four equidistantly arranged along its circumference, formed on its inside La ⁇ rule 142', which extend in the direction of the ring axis of the tab ring and protrude from the ring plane of the tabs ⁇ ring 140 '.
- the tabs 142 ' are bent like a kink and resiliently rest on the sleeve 120 and are connected thereto by laser welding in a contact region 121 between the sleeve 120 and the respective tab 142'.
- the tab ring 140 ' is welded to the underside 131 of the fastening ring 130 by means of laser. In all other details they agree Assemblies 1, 1 'according to the two embodiments match.
- FIG. 9 shows schematically an assembly 1 "according to the third exemplary embodiment of the invention
- the sectional plane of FIG. 9 corresponds to the sectional plane of FIG. 4.
- the assembly 1" according to the third exemplary embodiment differs from the assembly 1 according to the first described above Therefore, the same reference numerals are used for identical parts of both embodiments in the figures and for the description of which reference is made to the description of the assembly according to the first embodiment
- the lugs 142 ", 143” are resiliently against the sleeve 120 and are welded thereto, analogous to the tabs 142, 143, 144, 145 according to the first embodiment of the invention.
- the tabs 142 ", 143” according to the third embodiment of the invention differ from the tabs 142, 143, 144, 145 according to the first embodiment of the invention in that the tabs 142 ", 143" according to the third embodiment of the invention each have a in Direction of the top 132 of the fastening ⁇ supply ring 130 have pointing hump, which protrudes slightly into the ring opening of the mounting ring 130.
- the assemblies 1, 1 "according to the first and third embodiments agree.
- FIG. 10 schematically shows an assembly 1 '"according to the fourth exemplary embodiment of the invention.
- the assembly l '''according to the fourth embodiment of the invention differs from the assembly 1 ge ⁇ Telss the above-described first embodiment of the invention, only by a different design of the mounting ring. Therefore, the same reference numerals are used for identical parts of both embodiments in the figures and for their description, reference is made to the Be ⁇ description of the assembly according to the firstmittedsbei ⁇ game.
- the fastening ring 130 is integrally formed, while the fastening ring 130 '''according to the fourth embodiment consists of two annular discs 130a, 130b, which are arranged coaxially one above the other and welded together, so that the first ring ⁇ disc 130a, provided with the reference knobs 133 top 132 of the mounting ring 130 '''and the second annular disc 130b, the bottom 131 of the mounting ring 130''' forms.
- Both washers 130a, 130b of the Fixed To ⁇ supply rings 130 ''' are made of stainless steel, for example stainless steel of material number 1.4301 or 1.4016 or 1.4003.
- the first ring disk 130a has a thickness of 0.7 mm and the second ring disk 130b has a thickness of 1.5 mm.
- the thickness ratio of the annular disks 130a, 130b is not correctly represented.
- the tab ring 140 of the assembly 1 '''according to the fourth embodiment, or the Fixed To ⁇ supply rings' welded to the flat Untersei ⁇ te 131 of the second annular disc 130b 130 ''. There is no recess for the tab ring 140 on the underside 131 of the fastening ring 130 '''. Due to the doppel füri ⁇ ge training of the mounting ring 130 '''a high rigidity against bending and twisting is achieved.
- Figures 11 and 12 show the connection between a welding tab 146 of the tab ring 140 and a web 210 of the lamp cap 2 and the connection of the web 210 with the illustrated in Figure 10 mounting ring 130 '''in detail.
- the web 210 of the lamp cap 2 engages in the recess 137 formed by the wall portion 134 of the mounting ring 130 '''and rests with a contact surface ⁇ on the wall portion 137 of the fastening ring 130''' to.
- the welding tab 146 of the tab ring 140 is bent toward the top 132 of the mounting ring 130 ''', extends into the recess 134 of the mounting ring 130''' and abuts against the web 210, so that the web 210 with a press fit in one of the gap formed wall portion 137 of the mounting ring 130 '' and the sweat ⁇ tab 146 is arranged.
- the web 210 is connected, for example, by means of resistance inert gas welding (TIG welding) to the welding tab 146 and to the fastening ring 130 '''.
- TOG welding resistance inert gas welding
- the invention is not limited to the embodiments described in detail above.
- more than just three recesses 134, 135, 136 and correspondingly more coordinated webs 210, 220, 230 of the lamp cap 2 and Sch Strukturla ⁇ rule 146 of the tab ring 140 may be present in order to increase the stability.
- the tab ring 140, 140 ', 140 "instead of four may have a different number of tabs 142, 143, 144, 145 that are welded to the sleeve 120.
- the tab ring 140, 140', 140th For stability, at least three tabs on the tab ring 140, 140', 140th " to be available. Furthermore, no depression on the underside 131 of the be present for the tab ring 140.
- Mounting ring 130 has ⁇ .
- the tab ring 140 may also be arranged on a flat underside 131 of the fastening ring 130.
- the tab ring 140, 140 ', 140 can also be dispensed with if the tabs 142, 143, 144, 145 are welded directly to the underside 131 of the fastening ring 130.
- the fastening ring 130, 130''' can along its circumference at its Have outer edge recesses, which serve as coding for the correct position installation of the high-pressure discharge lamp in a motor vehicle headlights.
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011082321A DE102011082321A1 (de) | 2011-09-08 | 2011-09-08 | Baugruppe für eine Entladungslampe und Entladungslampe |
| PCT/EP2012/061587 WO2013034326A1 (de) | 2011-09-08 | 2012-06-18 | Baugruppe für eine entladungslampe und entladungslampe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2754166A1 true EP2754166A1 (de) | 2014-07-16 |
| EP2754166B1 EP2754166B1 (de) | 2015-09-09 |
Family
ID=46458455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12732573.6A Not-in-force EP2754166B1 (de) | 2011-09-08 | 2012-06-18 | Baugruppe für eine entladungslampe und entladungslampe |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2754166B1 (de) |
| JP (1) | JP6005158B2 (de) |
| DE (1) | DE102011082321A1 (de) |
| WO (1) | WO2013034326A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3263529B1 (de) * | 2016-06-27 | 2019-11-06 | Xylem Europe GmbH | Quarzhülsenträger einer uv-lampe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008159509A (ja) * | 2006-12-26 | 2008-07-10 | Harison Toshiba Lighting Corp | 放電ランプ装置 |
| JP5535195B2 (ja) * | 2008-04-25 | 2014-07-02 | コーニンクレッカ フィリップス エヌ ヴェ | ランプ、及びランプを製造する方法 |
| CN102388428B (zh) | 2009-09-18 | 2015-02-25 | 皇家飞利浦电子股份有限公司 | 用于固定放电灯的燃烧器的设备 |
-
2011
- 2011-09-08 DE DE102011082321A patent/DE102011082321A1/de not_active Withdrawn
-
2012
- 2012-06-18 JP JP2014528907A patent/JP6005158B2/ja not_active Expired - Fee Related
- 2012-06-18 EP EP12732573.6A patent/EP2754166B1/de not_active Not-in-force
- 2012-06-18 WO PCT/EP2012/061587 patent/WO2013034326A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013034326A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2754166B1 (de) | 2015-09-09 |
| JP2014530447A (ja) | 2014-11-17 |
| JP6005158B2 (ja) | 2016-10-12 |
| WO2013034326A1 (de) | 2013-03-14 |
| DE102011082321A1 (de) | 2013-03-14 |
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