EP1274112A1 - Assemblage de douille pour une lampe électrique - Google Patents

Assemblage de douille pour une lampe électrique Download PDF

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Publication number
EP1274112A1
EP1274112A1 EP01116206A EP01116206A EP1274112A1 EP 1274112 A1 EP1274112 A1 EP 1274112A1 EP 01116206 A EP01116206 A EP 01116206A EP 01116206 A EP01116206 A EP 01116206A EP 1274112 A1 EP1274112 A1 EP 1274112A1
Authority
EP
European Patent Office
Prior art keywords
base
contact element
arrangement according
cavity
projection
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
Application number
EP01116206A
Other languages
German (de)
English (en)
Other versions
EP1274112B1 (fr
Inventor
Josef Moritz
Jens Knebel
Tetsuo Kato
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.)
Blv Licht und Vakuumtechnik GmbH
Original Assignee
Blv Licht und Vakuumtechnik 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 Blv Licht und Vakuumtechnik GmbH filed Critical Blv Licht und Vakuumtechnik GmbH
Priority to EP01116206A priority Critical patent/EP1274112B1/fr
Priority to DE50107571T priority patent/DE50107571D1/de
Priority to HU0202201A priority patent/HUP0202201A2/hu
Publication of EP1274112A1 publication Critical patent/EP1274112A1/fr
Application granted granted Critical
Publication of EP1274112B1 publication Critical patent/EP1274112B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement
    • H01J5/60—Means for fastening the separate part to the vessel, e.g. by cement for fastening by mechanical means
    • 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
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/62—Connection of wires protruding from the vessel to connectors carried by the separate part

Definitions

  • the invention relates to a base arrangement for an electric lamp, namely a base arrangement, which can be attached to an external connection led out of the lamp, without the need for cement or putty.
  • Electric lamps usually have a base, which is for receiving in a lamp holder and is used for connection to an external power supply.
  • the external dimensions of the base are generally prescribed and, for example, comply with the standards R7s, RX7s, KX10s or KY10s.
  • the latter bases are used, for example, in high-pressure mercury lamps used where they are at opposite end areas of the quartz glass bulb are cemented or cemented to end squeezes via which the external connections of the lamp protrude. Such an arrangement is described for example in DE 2718735 C2.
  • cementing the lamp base has several disadvantages. For one thing, must Mixing devices are provided at the lamp manufacturer to prepare the cement freshly because it only has a limited processing time before it sets. Around To slow down this setting process, the cement must be cooled and also the air humidity be regulated. Because of the limited processing time of the cement, each only relatively small amounts of cement are prepared for processing, otherwise the Amount of cement that can no longer be used and thus the amount of residual waste becomes too large. Even then, there is still residual waste that needs to be disposed of.
  • the finished product which is obtained after the cement has dried, is also not perfect satisfactory.
  • the rigid attachment of the base to the Squeezing the electric lamp to tension which in the worst case Can break the lamp bulb.
  • the cement is porous and hygroscopic properties corrosion on the external connections embedded in the cement watching the lamp.
  • the stability of the cemented base also leaves something to be desired left. The cement begins to crumble over time, which on the one hand contaminates the Lamp environment and on the other hand to a deteriorated mounting of the lamp base on Piston leads.
  • the object of the invention is to provide such a base arrangement.
  • the invention thus relates to a base arrangement for an electric lamp, which consists of a electrically insulating base sleeve and an electrically conductive contact element.
  • the Base sleeve has a base cavity into which the contact element can be inserted.
  • the contact element has at least one cavity for receiving one from the electrical Lamp led out external connection.
  • the contact element has at least one resilient retaining projection protruding into the cavity for engagement with the external connection.
  • the base arrangement according to the invention is designed so that the base sleeve, the contact element and the external connection only has to be pushed into one another and thereby jam against each other, so that neither cement nor other additional fastening Fasteners are needed.
  • the external connection of the electric lamp is only held by the at least one resilient holding projection in the base arrangement.
  • a resilient retaining projection in the sense of this invention, everyone should be elastic deformable retaining projection, regardless of material or shape, are understood.
  • the term includes such retaining projections that lead to a non-positive holder of the external connection in the cavity of the contact element.
  • the resilient retaining projection can also be used for a form-fitting fastening lead, for example by inserting a latch into a recess in the external connection intervenes.
  • a plurality of teeth can also be understood as elastic holding projections that protrude into the cavity and act like little feathers. Possibly these teeth can not only become when inserting the external connection into the cavity elastic, but also plastically deform. They dig into the outer surface of the External connection and thereby and due to their shape resist pulling out the external connection out of the cavity. Digging into the surface of the The external connection can also be attached to other forms of resilient retaining projections improve in the contact element.
  • the invention can in principle be applied to any type of base and in particular on those bases that were previously attached to the lamp bulb using cement like the bases of the standards R7s, RX7s, KX10s and KY10s mentioned at the beginning.
  • the outer Dimensions of the electrically insulating base sleeve of the base arrangement according to the invention are then carried out according to these standards.
  • the base cavity of the base sleeve as Through opening with a socket-side opening pointing towards the lamp holder and a lamp-side opening facing the lamp is designed.
  • the socket cavity is expediently designed in such a way that it is for essentially positive locking of the contact element is suitable. In this way, a tilting of the contact element in the base sleeve can be prevented.
  • the base sleeve preferably has at least one in the base cavity in a region on the socket side protruding stop for the contact element. Accordingly, the contact element at least one protrusion protruding over its outer circumference for abutment thereon Stop on. Through this stop and the associated projection of the contact element it is determined how far the contact element can be inserted into the socket cavity.
  • the base sleeve has at least one recess in its base cavity System for a locking projection which is formed in the contact element. Is the contact element in inserted the desired position in the socket cavity, the locking projection of the contact element snaps at the recess of the base sleeve and thus secures the contact element against move further. It is particularly preferred if the locking projection and recess in the base sleeve have essentially the same width, because in this way the contact element can also be secured against lateral twisting.
  • pairs stop / projection and recess / locking projection in combination with each other are used so that after the snap-in protrusion the contact element neither to the lamp-side opening or to the socket-side opening of the base sleeve can be moved.
  • the latching projection is preferably in the form of a projection projecting beyond the outer circumference of the contact element resilient detent formed. This can be expedient by shaping a Part of the contact element are formed. For example, a section becomes dome-like arched outwards, or a section is bent outwards in such a way that the detent protrudes like a wedge with the tip pointing in the direction of insertion.
  • an external connection led out of the electric lamp is in one provided cavity of the contact element of the base assembly according to the invention attached by means of at least one resilient holding projection.
  • a resilient retaining projection should already be sufficient. Is expedient then a fixed one, at least on the side of the cavity opposite the holding projection Lateral stop for the external connection available, against which this through the resilient retaining projection is pressed.
  • several resilient retaining projections are preferred used per external connection, expediently at least three per external connection.
  • the base arrangement according to the invention can be used both for single and multi-base lamps be used.
  • a single-socket lamp with two external connections from one End of the lamp it may be sufficient to use only one of the external connections with the at least one resilient holding projection of the contact element of the invention Fix the socket arrangement, while the second external connection without further Attachment is performed in the base.
  • both external connections it is also possible for both external connections to provide cavities in the contact element with resilient retaining projections projecting into them.
  • the resilient retaining projections in the space between the External connections may be offset against each other, or it can be in this Area a fixed side stop for the external connections can be provided.
  • the resilient holding projection is, for example, a resiliently mounted one Locking projection, which can be snapped into a corresponding locking recess in the external connection.
  • the locking projection can be a locking lug that fits into a circumferential groove engages in the external connection.
  • the resilient holding projection is tongue-like or strip-like Is formed protrusion that extends obliquely from the lamp side to the socket side from the outside extends inwards into the cavity intended for receiving the external connection. If the external connection is inserted into this cavity, it becomes tongue-like or strip-like Projection bent outwards.
  • the front edge of the projection comes on the outer circumference of the external connection, and the inclination of the projection prevents the External connection can be pulled out of the cavity of the contact element.
  • a locking recess like an annular groove in the external connection can also be formed here to make it more difficult to pull out the external connection. In general, however, secure the external connection already without an additional recess. A sharp one the front edge of the retaining projection can improve the fastening, since this edge fits into the Can dig in the outer surface of the connector and thus pulling out the connector further difficult.
  • the resilient holding projection protrudes laterally in its end region projecting into the cavity
  • retaining tabs are appropriately offset in height from each other and / or staggered in the circumferential direction around the cavity. They are particularly preferred Resilient retaining projections in pairs are used, expediently two or more pairs of holding projections staggered in height and staggered from each other.
  • the contact surface of the contact element which is used for electrical contacting of the base serves the external power supply, can be formed in any conventional manner in the prior art his.
  • the contact surface of the contact element according to the invention is expedient to the standard specifications trained accordingly.
  • the contact element therefore preferably has in its socket-side Forehead area on a contact surface, which is circular and towards the The cavity for receiving the external connection is curved.
  • the contact surface forms the bottom of a pot-like part of the contact element.
  • first and a second pair of mutually opposite and substantially strip-shaped Side sections that run along the inner wall of the base sleeve.
  • the side sections go into those already described strip-like resilient holding projections over, which obliquely in the direction of the pot-like part in the cavity for receiving the external connection are bent back.
  • the first couple the side sections have a shorter length than the second pair, so that those on the first pair of the side sections arranged holding projections below the holding projections of the second Contact pairs at the external connection.
  • the contact element thus has a cage-like shape Structure on, with the external connector arranged in the middle of the cage and laterally by four holding projections offset from one another in each case at an angle of 90 °.
  • the summit of the external connection lies on the surface of the contact surface facing the inside of the cage on.
  • the lateral projections which come to rest on the stops of the base sleeve and are intended to prevent displacement of the contact element in the axial direction can be produced in that the edge regions of the pot-like part lying between the side sections are bent outwards.
  • the locking projections, which are also intended to prevent axial displacement and come to rest on the recesses of the base sleeve, can be produced, for example, in that a U-shaped or V-shaped incision is present in the side sections and the area enclosed by the incision to form the Is bent outwards, so that there are wedge-shaped areas pointing in the direction of the insertion direction.
  • the recess of the base sleeve can be adapted to the latching projection in the contact element on the one hand in its width but also in its inclination.
  • the inclination of the recess suitably corresponds to the inclination of the end face of the bent-out locking projection, so that this end face comes to rest over the entire area on the stop surface of the recess in the base sleeve.
  • partial sections of the contact element can also be shaped outwards without incisions in the material of the contact element.
  • a dome-shaped or otherwise shaped bulge can serve as a locking projection. This bulge has the advantage that the side sections are not destabilized by cuts.
  • the base sleeve advantageously has a greater axial length than the contact element in order to to be able to safely prevent unintentional contact with the contact surfaces.
  • the base sleeve with both its socket-side and its lamp-side end the contact element over.
  • the base sleeve can have a Have transverse slot in which the lower pinch area of the lamp bulb receptacle place.
  • Such a design of the base is basically already known and for example described in DE 2718735 C2.
  • the base arrangement according to the invention is only attached to the electrical lamp via the external connection, but not in the area of the Final crushing, there is no tension in the latter area and the associated Disadvantages.
  • the base arrangement according to the invention and the electric lamp can be by simple assembly of the individual components without the use of cement or one other adhesive are connected together.
  • the connection is secure, accurate and a perfect fit and the assembly can be easily automated.
  • Base arrangement and lamp have an extremely high mechanical strength to each other without it Tension comes in the pinch area of the lamp.
  • the base arrangement according to the invention ensures a constant contact distance and a high level of security against contact. High voltage leaks through the base do not occur.
  • the components of the base assembly according to the invention can be easily under Can be made using conventional materials. Basically suitable for the base sleeve all materials that were previously used for this purpose, for example ceramics or plastic. When using ceramic as the base material, the base sleeve preferably sintered, while expediently by injection molding when using plastic is manufactured. As plastic as possible, one should be used that has a high Has heat, high voltage and UV resistance.
  • a spring-elastic metal is particularly suitable for manufacturing the contact element.
  • the contact element is preferably punched out of a metal sheet and then Forming into the desired shape.
  • the contact element can easily be made from a one piece punched metal piece are bent, so that its manufacture is special is simple and inexpensive.
  • the base arrangement shown in Figure 1 consists of a base sleeve 2 and a contact element 3, which fits into the base cavity 4 of the base sleeve 2 essentially in a form-fitting manner is.
  • the base sleeve 2 has a socket-side opening 8 and a lamp-side opening 9 on.
  • An electric lamp 1 is inserted into the base sleeve from the lamp-side opening 9 2 inserted.
  • the area of the base sleeve 2 on the lamp side has a transverse slot 19, which serves to receive the pinch end 20 of the lamp bulb. In the cross slot 19, the pinching end 20 of the lamp 1 is essentially form-fitting, so that the Lamp is supported in this area.
  • the actual attachment of the electric lamp 1 in the base arrangement according to the invention takes place exclusively via the external connection 6, which protrudes beyond the pinch end 20 of the lamp 1.
  • the electric lamp 1 can basically be any type of electric lamp Act lamp, for example a discharge lamp with oppositely arranged Electrodes or a light bulb.
  • the external connection 6 is in a conventional manner with these Light emission means connected, for example by being in the crushing area 20 with a Molybdenum foil is contacted, which in turn is connected to an inner connection of the lamp is.
  • the external connection 6 can be manufactured in any manner customary in the prior art his. In the case shown, the external connection 6 is a rod made of molybdenum.
  • the lamp 1 shown completely in FIG. 2 is a high-pressure mercury discharge lamp with bases that comply with the R7s standard. In the lower left area of the Figure shows the complete base arrangement, while in the upper right area the base sleeve 2 is not shown, about the arrangement of the contact element 3 at the external connection 6 to clarify.
  • the assembly of the base arrangement on the lamp takes place in a different way, namely by first inserted the contact element 3 into the base sleeve 2 and only then the external connection 6 protruding from the lamp 1 is inserted into the base.
  • the base sleeve 2 is made of ceramic or plastic, the contact element from a resilient Metal.
  • the latter is expediently produced by first of all forming a molded part punched out a metal sheet and then bent this molded part into the desired shape becomes.
  • the contact element 3 shown has a pot-like part 16, the bottom of which is finished assembled base assembly in the direction of the socket-side opening 8 of the base sleeve.
  • This floor serves as a contact surface 15 for making electrical contact with the power supply the lamp holder in which the base is mounted.
  • the contact surface 15 is on the inside domed and corresponds in shape to the base standard.
  • Starting from the edge of the Pot-like part 10 each extend 4 side sections offset from one another by 90 ° 17, 17 ', 18 and 18'. The length of the opposite side sections 18 and 18 'is thereby greater than the length of the side sections 17 and 17 '.
  • All side sections are in their top, Areas distant from the pot-like part 16 are bent inwards around the resilient holding projections 7 to result, which are used to attach the external connection 6.
  • the springy Retaining projections 7 are so long that they are up to the electric lamp 1 to extend into the cavity 5, which is intended for receiving the external connection 6.
  • the bending angle between the side sections 17, 17 ', 18, 18' and the respectively associated one resilient holding projection 7 is in each case less than 90 °, so that the resilient holding projections run back obliquely from the outside towards the contact surface 15.
  • the holding projections 7 are bent downwards and outwards.
  • the resilient retaining projections 7 spring back against the external connection 6 and fix this in the position once reached. Because of the cross arrangement of the two Pair of protrusions is also a side slipping or tipping off the outer connector the desired position is not possible. An additional fixation is also through the side Projections 14 reached, which engage around the outer connection 6 laterally.
  • the contact element 3 Before the external connection is fastened in the contact element 3, however, the latter is initially in the base sleeve 2 positioned.
  • the contact element 3 is from the socket side the opening 8 is inserted into the base cavity 4.
  • the contact element 3 can only do so are inserted far until the projections 11, which are formed by bending the edge of the Pot-like part 16 between the side parts 17, 17 ', 18 and 18' have been produced to the outside are to come to rest on the stops 10 of the base sleeve 2, which in the base cavity 4 protrude.
  • the locking projections 13 are made in a very simple manner in that already during of the punching process in the manufacture of the contact element 3 in the side sections 18 and 18 'U-shaped Punched holes and the subsequent bending operations Punched areas were bent outwards.
  • the end faces 13 'of the locking projections 13 are not in a plane which is perpendicular to the Axis direction of the connection 6 is.
  • the recesses 12 In order to cover the end faces as completely as possible 13 'on the recesses 12 to ensure the base sleeve, these are useful with beveled at a corresponding angle of inclination. This can be seen, for example, in FIG. 3.
  • FIG. 7 shows a base arrangement according to the invention, which essentially corresponds to that according to FIG. 1 corresponds. The difference is in the design of the contact element 3 and more precisely here the locking projections 13.
  • the locking projections 13 In order not to destabilize the side sections 18 and 18 'by incisions, are the locking projections 13 in the form of protuberances. It is about dome-like bulges, which are embossed out of the side sections 18, 18 'and protrude beyond the outer surfaces of the side sections.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP01116206A 2001-07-04 2001-07-04 Assemblage de douille pour une lampe électrique Expired - Lifetime EP1274112B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP01116206A EP1274112B1 (fr) 2001-07-04 2001-07-04 Assemblage de douille pour une lampe électrique
DE50107571T DE50107571D1 (de) 2001-07-04 2001-07-04 Sockelanordnung für eine elektrische Lampe
HU0202201A HUP0202201A2 (en) 2001-07-04 2002-07-04 Outlet for electric lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01116206A EP1274112B1 (fr) 2001-07-04 2001-07-04 Assemblage de douille pour une lampe électrique

Publications (2)

Publication Number Publication Date
EP1274112A1 true EP1274112A1 (fr) 2003-01-08
EP1274112B1 EP1274112B1 (fr) 2005-09-28

Family

ID=8177936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01116206A Expired - Lifetime EP1274112B1 (fr) 2001-07-04 2001-07-04 Assemblage de douille pour une lampe électrique

Country Status (3)

Country Link
EP (1) EP1274112B1 (fr)
DE (1) DE50107571D1 (fr)
HU (1) HUP0202201A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1622181A2 (fr) * 2004-07-30 2006-02-01 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à double terminaison
EP2037483A1 (fr) * 2006-07-05 2009-03-18 CE Lighting Ltd. Source de lumière pour lampe fluorescente compacte pouvant remplacer une lampe à halogène du type j

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155025A (en) * 1977-04-27 1979-05-15 Patent-Treuhand-Gesellschaft High-pressure mercury-vapor discharge ultraviolet radiant energy lamp
EP0547683A1 (fr) * 1991-12-18 1993-06-23 Koninklijke Philips Electronics N.V. Lampe électrique
US5823829A (en) * 1993-01-31 1998-10-20 Suzuki; Hiroyuki Connection body's fitting connection structures and sockets structures to hold an electric bulb
EP1009012A1 (fr) * 1998-12-01 2000-06-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe électrique
DE19951873A1 (de) * 1999-10-28 2001-05-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Entladungslampe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155025A (en) * 1977-04-27 1979-05-15 Patent-Treuhand-Gesellschaft High-pressure mercury-vapor discharge ultraviolet radiant energy lamp
EP0547683A1 (fr) * 1991-12-18 1993-06-23 Koninklijke Philips Electronics N.V. Lampe électrique
US5823829A (en) * 1993-01-31 1998-10-20 Suzuki; Hiroyuki Connection body's fitting connection structures and sockets structures to hold an electric bulb
EP1009012A1 (fr) * 1998-12-01 2000-06-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe électrique
DE19951873A1 (de) * 1999-10-28 2001-05-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Entladungslampe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1622181A2 (fr) * 2004-07-30 2006-02-01 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à double terminaison
EP1622181A3 (fr) * 2004-07-30 2010-09-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe à double terminaison
EP2037483A1 (fr) * 2006-07-05 2009-03-18 CE Lighting Ltd. Source de lumière pour lampe fluorescente compacte pouvant remplacer une lampe à halogène du type j
EP2037483B1 (fr) * 2006-07-05 2013-07-03 CE Lighting Ltd. Source de lumière pour lampe fluorescente compacte pouvant remplacer une lampe à halogène du type j

Also Published As

Publication number Publication date
HUP0202201A2 (en) 2003-05-28
DE50107571D1 (de) 2006-02-09
EP1274112B1 (fr) 2005-09-28
HU0202201D0 (fr) 2002-09-28

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