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EP3492809B1 - Phares de véhicules et procédé de réglage d'une source de lumière et d'une optique additionnelle - Google Patents

Phares de véhicules et procédé de réglage d'une source de lumière et d'une optique additionnelle Download PDF

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Publication number
EP3492809B1
EP3492809B1 EP17205072.6A EP17205072A EP3492809B1 EP 3492809 B1 EP3492809 B1 EP 3492809B1 EP 17205072 A EP17205072 A EP 17205072A EP 3492809 B1 EP3492809 B1 EP 3492809B1
Authority
EP
European Patent Office
Prior art keywords
support
spacer element
connecting means
light source
adhesive
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.)
Active
Application number
EP17205072.6A
Other languages
German (de)
English (en)
Other versions
EP3492809A1 (fr
Inventor
Erik Pirringer
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.)
ZKW Group GmbH
Original Assignee
ZKW Group 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
Priority to ES17205072T priority Critical patent/ES2801381T3/es
Application filed by ZKW Group GmbH filed Critical ZKW Group GmbH
Priority to EP17205072.6A priority patent/EP3492809B1/fr
Priority to JP2020547308A priority patent/JP7144525B2/ja
Priority to CN201880078284.2A priority patent/CN111417821B/zh
Priority to US16/769,093 priority patent/US11268670B2/en
Priority to KR1020207017457A priority patent/KR102464149B1/ko
Priority to PCT/EP2018/083287 priority patent/WO2019110475A1/fr
Publication of EP3492809A1 publication Critical patent/EP3492809A1/fr
Application granted granted Critical
Publication of EP3492809B1 publication Critical patent/EP3492809B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
    • 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
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24—Light guides
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/39—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing

Definitions

  • the invention relates to a vehicle headlight, comprising a light source and a front lens system, the light source being set up to emit light through the front lens system and the front lens system being set up to bundle or shape the light, and to fix the light source on a support provided in the vehicle headlight , in which a bore is provided for receiving at least one connecting means, and at least one spacer element is arranged on the carrier in each case on a support surface, the at least one spacer element having a height normal to the support surface, and a retaining bracket is arranged on the at least one spacer element is, the retaining bracket is fixedly connected to the optical attachment and each has an opening which is provided for receiving the at least one connecting means, and the at least one connecting means which respectively extends along an axis and for connecting the Retaining bracket is provided with the carrier and is used for this purpose in the respective opening and in the respective bore.
  • the invention also relates to a method for assembling and adjusting a light source and a front lens system of a vehicle headlight,
  • a vehicle headlight of the type mentioned at the outset which, in a first position of the holding bracket, in which the at least one connecting means is inserted into the opening but is not fixed, normalizes the holding bracket in one plane with respect to the at least one connecting means within the opening can be moved to the axis in order to allow an alignment of the attachment optics attached to the holding bracket with respect to the light source attached to the support, and the at least one spacer element can be pressed together by means of the at least one connecting means through the holding bracket and the support, the Height of the at least one spacer element is reduced in order to align the light source and the front optics with respect to one another in the direction of the axis and a fixed, second position of the holding bracket is achieved.
  • the modulus of elasticity of the at least one spacer element is smaller than the modulus of elasticity of the holding bracket and / or the carrier. It is thereby achieved that the at least one spacer element is more easily compressible when the holding bracket and / or the carrier is pressed on.
  • the elastic modulus of the at least one spacer element is less than 80 kN / mm 2 , preferably less than 30 kN / mm 2 , particularly preferably less than 4 kN / mm 2 and greater than 1 kN / mm 2 . It is thereby achieved that the at least one spacer element is easier to compress.
  • the yield point of the at least one spacer element is less than 100 kN / mm 2 , preferably less than 80 kN / mm 2 and greater than 10 kN / mm 2 , particularly preferably less than 70 kN / mm 2 and larger than 20 kN / mm 2 . It is thereby achieved that the at least one spacer element is easier to compress.
  • the limit values mentioned for the modulus of elasticity and the yield point can be combined to form an even better one To obtain coordination of the material properties of the at least one spacer element, which are particularly advantageous for the arrangement according to the invention.
  • the vehicle headlight comprises at least two spacer elements and at least two connecting means, the at least two spacer elements being arranged in such a way that the holding bracket can be adjusted with respect to the carrier, in which the at least two spacer elements each have a different height in the adjusted position exhibit. This ensures that assembly influences, such as those of the light sources or the front optics, can be easily compensated for.
  • the light source can comprise a plurality of lighting elements, for example in the form of semiconductor lighting elements such as LEDs or laser diodes, which are mounted on a common or a plurality of printed circuit boards or circuit carriers.
  • Printed conductors and other electronic components for controlling the light source can be included in the circuit board. If several lighting elements are used, it is often necessary to provide respective optical lens elements, for example in the form of elongated optical light guides or optical converging lenses.
  • the front lens which can be formed from several optical elements, is attached to a common holder.
  • a heat sink is arranged on the carrier, or the carrier itself has cooling fins or cooling pins, and the at least one light source is fastened to the carrier. In this way, the power loss that arises at the light source during operation can be dissipated.
  • the connection of the carrier to the heat sink creates a mechanically stable and resilient deformation, which is taken into account by the adjustable connection between the holder and the carrier.
  • a circuit board can be arranged between the light source and the heat sink, on which the light source is attached.
  • several lighting elements, further electronic components and conductor tracks can be included in the circuit board.
  • the carrier has a through opening through which the light source protrudes.
  • the carrier further has at least one cavity, each with a depth, which is provided for receiving the at least one spacer element and is shaped essentially complementarily to the outer contour of the at least one spacer element, the height of the at least one spacer element being greater than that Depth of at least one cavity. This ensures that the spacer element is already held firmly in one position before assembly.
  • a layer is applied between the at least one spacer element and the carrier and / or between the at least one spacer element and the retaining bracket and / or between the at least one connecting means and the carrier, which layer contains an adhesive, which preferably contains a fluid Has shape.
  • the adhesive ensures that the arrangement is fixed after an adjustment and is resistant to the connection being loosened independently. In the automotive environment, for example, undesirable temperature influences can occur, which can lead to a disadjustment of the arrangement.
  • the adhesive is embedded in a number of microcapsules and is preferably carried by a fluid carrier material in which the number of microcapsules is embedded.
  • microencapsulated adhesive for example a one-component (1K) or two-component adhesive (2K)
  • 1K one-component
  • 2K two-component adhesive
  • the at least one spacer element when the at least one spacer element is compressed in the axial direction of the at least one connecting means, the at least one spacer element presses against the wall of the cavity and thus causes the microcapsules to burst, so that the adhesive can escape and for example can mix with the hardener of the 2-component adhesive and harden.
  • the at least one spacer element each has a spacer element opening and preferably has a torus shape, and the at least one connecting means is guided through the spacer element opening.
  • the inside diameter of the opening of the holding bracket is larger than the outside diameter of the connecting means.
  • the retaining bracket should be movable around the connecting means for adjustment if the arrangement has not yet been fixed.
  • the at least one connecting means is a screw, and preferably the bore of the carrier has a thread which is set up to come into engagement with the at least one connecting means.
  • the carrier comprises at least one pinch rib, which is set up to engage the holding bracket in the adjusted state.
  • the arrangement can be adjusted in the plane normal to the axial direction of the at least one connecting means, and when the force acting through the at least one connecting means is increased, the arrangement is fixed in the plane before an adjustment in the axial direction of the at least one Lanyard is done. This sequence noticeably facilitates the adjustment process.
  • At least one light source and at least one front lens system of a vehicle headlight can be installed and adjusted to one another in a particularly simple manner.
  • the limit values mentioned for the modulus of elasticity and the yield point can be combined in order to obtain an even better coordination of the material properties of the at least one spacer element, which are particularly advantageous for the arrangement according to the invention.
  • the adhesive is in an activatable form.
  • a two-component (2K) adhesive is inactive until the adhesive and the hardener of the 2K adhesive come into contact with each other.
  • a one-component (1-component) adhesive is inactive until the 1-component adhesive can react with the surrounding air and harden. If the method provides for the use of an activatable adhesive, the person who carries out the adjustment and assembly has sufficient time for the adjustment and assembly. Only after the adhesive has been activated must the adjustment be completed quickly so that the adhesive connection can be cured reliably.
  • the adhesive wets the outer surface of the spacer element.
  • a layer is applied between the at least one spacer element and the carrier and / or between the at least one spacer element and the retaining bracket and / or between the at least one connecting means and the carrier, which layer can be activated Contains adhesive, which preferably has a fluid form. This allows the entire connection to be permanently fixed.
  • the adhesive is embedded in a number of microcapsules and is preferably carried by a fluid carrier material in which the number of microcapsules is embedded, and the number of microcapsules bursts at least partially when a mechanical force acts on the microcapsules and releases the embedded adhesive.
  • the mechanical force at which the microcapsules burst can be used to measure all the forces which have a function and function in the adjustment and assembly of the entire arrangement.
  • the modulus of elasticity of the at least one spacer element is smaller than the modulus of elasticity of the holding bracket and / or the carrier.
  • the modulus of elasticity of the at least one spacer element is less than 80 kN / mm 2 , preferably less than 30 kN / mm 2 , particularly preferably less than 4 kN / mm 2 and greater than 1 kN / mm 2 .
  • the yield point of the at least one spacer element is less than 100 kN / mm 2 , preferably less than 80 kN / mm 2 and greater than 10 kN / mm 2 , particularly preferably less than 70 kN / mm 2 and greater than 20 kN / mm 2 .
  • the limit values mentioned for the modulus of elasticity and the yield point can be combined in order to obtain an even better coordination of the material properties of the at least one spacer element, which are particularly advantageous for the method according to the invention.
  • a headlight also contains many other parts, not shown, which enable sensible use in a motor vehicle, such as in particular a car or motorcycle.
  • cooling devices for components, control electronics, further optical elements, mechanical adjustment devices or brackets are not shown, for example.
  • the 1 to 3 show a vehicle headlight 1, comprising a light source 2 and a front lens 3, the light source 2 being set up to emit light through the front lens 3 and to bundle or shape it.
  • Fig. 1 an XYZ coordinate system is also specified, on the basis of which the arrangement according to the invention is to be adjusted.
  • the light source 2 is fastened on a support 10 provided in the vehicle headlight 1, in each of which a bore 12 and 13 is provided for receiving two connecting means 20 and 21.
  • the light source 2 can be formed from several optoelectronic components, preferably from LEDs or laser diodes. Several lighting elements of the light source 2 can be used for different light functions of the vehicle headlight 1 and can be operated differently in this sense.
  • a circuit board 4 is arranged between the light source 2 and the carrier 10, on which the light source 2 is fastened. Contact connection surfaces and conductor tracks for electrically contacting the light source 2 can be located on the circuit board (not shown).
  • the light source 2 is preferably connected electrically and mechanically to the contact pads by soldering or gluing.
  • the connecting means 20, 21 are screws in this exemplary embodiment, and the bores 12, 13 of the carrier 10 each have an internal thread which is set up to engage with the two connecting means 20, 21, which each comprise a complementary external thread.
  • the connecting means can also be another suitable element, such as a rivet.
  • the connecting means 20, 21 can also be threaded rods, for example, which are adjustably limited on both sides by nuts.
  • the carrier 10 comprises a plurality of crush ribs 70, which are set up to engage the holding bracket 40 in an adjusted state.
  • the squeezing ribs 70 are not absolutely necessary, but they facilitate the subsequent adjustment of the arrangement in that an alignment in an XY plane, which is normal to the longitudinal extent of the connecting means 20, 21, can be fixed in a first step in that the lateral friction coefficient can be increased by the pinch ribs 70.
  • the crush ribs 70 may be formed from needle-like, circular or line-shaped elements and may be formed from one or more such elements.
  • two spacer elements 30, 31 are each arranged on the carrier 10 in the region of a support surface 11, the two spacer elements 30, 31 each having heights 35, 36 normal to the support surface 11.
  • the two spacer elements 30, 31 are arranged such that an adjustment of the holding bracket 40 with respect to the carrier 10 can be achieved, in which the two spacer elements 30 and 31 can each have a different height 35 and 36 in an adjusted position.
  • the carrier 10 also has two cavities 14 and 15, each with a depth 16 and 17, which are provided for receiving a spacer element 30, 31 and are essentially complementary to the outer contour of the at least one spacer element 30, 31, the height 35 , 36 of the two spacer elements 30 and 31 is greater than the depth 16 and 17 of the two cavities 14 and 15.
  • the depth 16 and 17 of the cavities 14 and 15 is preferably the same size.
  • the cavity can alternatively also be designed as a blind hole which does not run completely through the carrier and has a thread for receiving a connecting means in the form of a screw.
  • the shape of the cavity corresponds to the shape of the spacer element that is to be inserted into the cavity.
  • a spacer element 30, 31 consists of several spacer element units, which can be stacked on top of one another, for example, within the associated cavity.
  • a holding bracket 40 is arranged on the two spacer elements 30, 31, the holding bracket 40 being fixedly connected to the optical attachment 3 and each having an opening 41, 42 which is provided for receiving the two connecting means 20, 21.
  • the connecting means 20, 21, which each extend along an axis 22, 23 and are provided for connecting the holding bracket 40 to the carrier 10, are inserted into the respective opening 41, 42 and in the respective bore 12, 13 for this purpose.
  • the holes 12 and 13 each have threads 18, 19 to receive the thread of the respective screw 20, 21.
  • the holding bracket 40 In a first position of the holding bracket 40, in which the two connecting means 20, 21 are inserted into the opening 41, 42 but are not fixed, the holding bracket 40 can be normal with respect to the two connecting means 20 and 21 within the openings 41 and 42 in one plane are moved to the axes 22 and 23 in order to enable an alignment in the plane of the attachment optics 3 attached to the holding bracket 40 with respect to the light source 2 attached to the carrier 10.
  • the adjustment level is the XY level of the Fig. 1 , which is also shown in the other figures.
  • the adjustment in the XY plane can take place within a range which is limited by the distance between the outer diameter 25 of the connecting means 20, 21 and the inner diameter 45 of the opening 41, 42 of the holding bracket 40.
  • the holding bracket 40 is movable within its opening 41, 42 around the connecting means 20, 21 in an unfixed but assembled state, since the inner diameter 45 of the opening 41, 42 is larger than the outer diameter 25 of the connecting means 20, 21.
  • the two spacer elements 30, 31 can be pressed together by means of the two connecting means 20, 21 through the holding bracket 40 and the carrier 10, the height 35, 36 of the two spacer elements 30, 31 being reduced by the light source 2 and the front lens 3 align in the direction of axes 22, 23 and a fixed, second position of the bracket 40 is reached.
  • the two spacer elements 30, 31 can be covered on their surface by a layer which comprises an adhesive 51 in fluid form, which is embedded in a number of microcapsules 50 in a carrier material of the layer.
  • the microcapsules 50 are carried by an initially fluid carrier material, which dries after application to the spacer elements 30, 31 and thereby facilitates the assembly and adjustment of the arrangement.
  • the adhesive 51 can have a fluid form, for example liquid, pasty or gel-like. A quantity of small drops of the adhesive 51 is enclosed in a shell, which form microbeads 50.
  • the microbeads 50 When a force is exerted on the shell of the microbeads 50, the microbeads 50 can burst and the enclosed adhesive 51 can escape.
  • the adhesive can harden through exposure to ambient air.
  • the adhesive 51 can be formed from two adhesive components of a two-component adhesive, which can be contained separately in different microbeads 50 and which only react by mutual contact after the shell of the microbeads 50 has burst. As a result, the two adhesive components can mix and the adhesive mixture can harden.
  • the number of microcapsules 50 can at least partially burst and release the embedded adhesive 51.
  • the two spacer elements 30, 31 each have a spacer element opening and are shaped like a torus.
  • the two connecting means 20, 21 are guided through the spacer opening.
  • a torus shape means that the shape can also be that of a truncated cone and it is not relevant if, for example, edges are not formed exactly.
  • the opening 41, 42 of the at least one holding bracket 40 has a cross section that is smaller than the cavity 14, 15. Furthermore, the inside diameter 45 of the opening 41, 42 is larger than the outside diameter 25 of the connecting means 20, 21.
  • bracket 40 is adjustable in a plane that is transverse to the axis 22, 23, as long as the arrangement is not yet by Connecting means 20, 21 is fixed or has reached a positive connection, as a result of which the frictional forces in the event of a lateral movement of the holding bracket 40 with respect to the spacer element 30, 31 or the carrier 10 prevent further lateral movement and thus achieve a first adjustment.
  • An acting force 81 is transmitted from the spacer elements 30, 31 to the microbeads 50 and the microbeads 50 burst from a predetermined strength of the force. It is clear that the microbeads 50 which are located on the end faces of the spacer element 30, 31 are more likely to burst. Due to the compression of the spacer elements 30, 31 by the acting force 81, however, it is also possible that the spacer elements 30, 31 expand laterally and thus also micro beads 50 located on the side burst and the adhesive 51 can escape. This effect can be improved, for example, in that the spacer elements 30, 31 each have a tapered shape of a truncated cone on their outer surfaces, and the lateral microbeads 51 are thus increasingly exposed to the pressing force.
  • the adhesive 51 is known from the technique of thread locking by gluing. Microencapsulated adhesives are a dry, non-slip, paint-like coating. The adhesive begins to harden immediately after the casing has been broken open. Since today's products are fast curing systems, measurable results are achieved after only 10-15 minutes. The curing is completely finished after 24 hours, but can be accelerated by applying temperature. After curing, the desired fixing or securing effect is completely achieved, and an additional sealing effect is achieved at the same time.
  • the initial adjustment state is shown with the initial adjustment height 60, which occurs without the action of a force 80 and an adjustment takes place in the XY plane.
  • the first adjustment state is shown with the first adjustment height 61, which is achieved by the action of the first force 80.
  • the first adjustment state is an intermediate state which serves to prevent the arrangement from slipping in the XY plane by the application of the first force 80, which is caused by that in FIG Fig. 3 step shown was reached.
  • the second adjustment state is shown with the second adjustment height 62, which is achieved by the action of the second force 81.
  • the second adjustment state is an intermediate state which serves to activate the adhesive 51 by applying the second force 81 by the microcapsules 50 bursting open.
  • the third adjustment state is shown with the third adjustment height 62, which is achieved by the action of the third force 82.
  • the third adjustment state is a final state which serves to fix the arrangement after the adhesive 51 has hardened.
  • the adhesive 51 does not have to completely wet all or individual surfaces in order to achieve a fixing effect.
  • a layer is applied between the spacer elements 30, 31 and the carrier 10 and / or between the spacer elements 30, 31 and the holding bracket 40 and / or between the connecting means 20, 21 and the carrier 10, which one layer activatable adhesive 51, which preferably has a fluid form.
  • the adhesive 51 is embedded in a number of microcapsules 50 and is preferably carried by a fluid carrier material in which the number of microcapsules 50 is embedded, and the number of microcapsules 50 at least partially when subjected to a mechanical force which corresponds to the aforementioned second force 81 corresponds in the method, bursts onto the microcapsules 50 and releases the embedded adhesive 51.
  • the modulus of elasticity of the spacer elements 30, 31 is that it is in each case smaller than the modulus of elasticity of the holding bracket 40 and / or the carrier 10.
  • the modulus of elasticity of the spacer elements 30, 31 is less than 80 kN / mm 2 , for example in the case of aluminum, preferably less than 30 kN / mm 2 , particularly preferably less than 4 kN / mm 2 and greater than 1 kN / mm 2 , for example for plastics.
  • the yield point of the spacer elements 30, 31 is less than 100 kN / mm 2 , for example in the case of aluminum, preferably less than 80 kN / mm 2 , for example in the case of plastics, and greater than 10 kN / mm 2 , particularly preferably less than 70 kN / mm 2 and greater than 20 kN / mm 2 .
  • the material of the spacer elements 30, 31 can be, for example, a plastic, such as polyamide PA, polycarbonate PC, ABS, polypropylene PP, polystyrene PS or special thermoplastics, but also a soft metal such as aluminum.
  • a plastic such as polyamide PA, polycarbonate PC, ABS, polypropylene PP, polystyrene PS or special thermoplastics, but also a soft metal such as aluminum.
  • the material of the carrier 10 can, for example, be a metal such as aluminum, copper or brass
  • the holding bracket 40 can consist, for example, of plastic such as PC, ABS or PS, or of a metal such as aluminum or an alloy such as brass or steel sheet, the above material properties mentioned are preferably present.
  • a good thermal conductivity of the material of the carrier 10 is advantageous.
  • the material of the holding bracket 40 can be, for example, a plastic, plastic with a high modulus of elasticity, such as PC or PS, but also a metal, such as aluminum or sheet steel. A high modulus of elasticity of the material is advantageous.
  • FIG. 7 shows a cross-sectional view of a further embodiment of the invention.
  • a headlight 101 has a carrier 110, which has a separately shaped Heatsink 210 is firmly connected. It would also be conceivable for the carrier 110 and the heat sink 210 to form a common, connected component. In other words, the carrier itself can have cooling fins or cooling pins, for example.
  • the vehicle headlight 101 comprises a light source 102 and a front lens system 103, the light source 102 being set up to emit light through the front lens system 103 and to bundle or shape it in the process.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Claims (16)

  1. Phare de véhicule (1, 101) comprenant une source de lumière (2, 102) et une optique auxiliaire (3, 103), dans lequel la source de lumière (2, 102) est agencée pour émettre de la lumière à travers l'optique auxiliaire (3, 103) et l'optique auxiliaire (3, 103) est agencée pour focaliser ou former la lumière, et
    la source lumineuse (2, 102) est fixée sur un support (10, 110) prévu dans le projecteur du véhicule (1, 101), dans le support un alésage (12, 13) respectif étant prévu pour recevoir au moins un moyen de connexion (20, 21, 120),
    au moins un élément d'écartement (30, 31, 130) est disposé sur le support (10, 110) sur une surface d'appui respective (11), ledit au moins un élément d'écartement (30, 31, 130) ayant une hauteur (35, 36) normale à la surface d'appui (11),
    un étrier de maintien (40, 140) sur lequel est disposé au moins un élément d'écartement (30, 31, 130), l'étrier de maintien (40, 140) étant relié fixement à l'optique auxiliaire (3, 103) et présentant respectivement une ouverture (41, 42) qui est prévue pour recevoir ledit au moins un moyen de liaison (20, 21, 120),
    ledit au moins un moyen de liaison (20, 21, 120), qui s'étend chacun le long d'un axe (22, 23), est prévu pour relier à l'étrier de retenue (40, 140) au support (10, 110) et est inséré à cet effet dans l'ouverture respective (41, 42) et dans l'alésage respectif (12, 13),
    caractérisé en ce que dans une première position de l'étrier de retenue (40, 140), dans laquelle ledit au moins un moyen de liaison (20, 21, 120) est inséré dans l'ouverture (41, 42) mais n'est pas fixé, l'étrier de retenue (40, 140) est positionné par rapport audit au moins un moyen de liaison (20, 21, 120), 120) peut être déplacé dans l'ouverture (41, 42) dans un plan normal à l'axe (22, 23) afin de permettre, dans ce plan, un alignement de l'optique auxiliaire (3, 103) fixée au support (40, 140) par rapport à la source lumineuse (2, 102) fixée au support (10, 110), et
    ledit au moins un élément d'écartement (30, 31, 130) peut être comprimé au moyen dudit au moins un moyen de liaison (20, 21, 120) à travers l'étrier de retenue (40, 140) et le support (10, 110), la hauteur (35, 36) dudit au moins un élément d'écartement (30, 31, 130) diminuant et une deuxième position fixe de l'étrier de retenue (40, 140) étant atteinte.
  2. Projecteur de véhicule (1, 101) selon la revendication 1, caractérisé en ce que le module d'élasticité dudit au moins un élément d'écartement (30, 31, 130) est inférieur au module d'élasticité de l'étrier de retenue (40, 140) et/ou celui du support (10, 110),
    le module d'élasticité dudit au moins un élément d'espacement (30, 31, 130) est de préférence inférieur à 80 kN/mm2, de préférence inférieur à 30 kN/mm2 et supérieur à 1 kN/mm2, plus particulièrement inférieur à 4 kN/mm2,
    et de préférence, la limite d'élasticité dudit au moins un élément d'espacement (30, 31,130) est inférieure à 100 kN/mm2, de préférence inférieure à 80 kN/mm2 et supérieure à 10 kN/mm2, plus particulièrement inférieure à 70 kN/mm2 et supérieure à 20 kN/mm2.
  3. Projecteur de véhicule (1, 101) selon la revendication 1 ou 2, caractérisé en ce que le projecteur de véhicule comprend au moins deux éléments d'écartement (30, 31, 130) et au moins deux moyens de liaison (20, 21, 120), les au moins deux éléments d'écartement (30, 31, 130) étant disposés de telle sorte qu'un réglage de l'étrier de support (40, 140) par rapport au support (10, 110) peut être obtenu, les au moins deux éléments d'écartement (30, 31, 130) présentant chacun une hauteur différente (35, 36) dans la position réglée.
  4. Projecteur de véhicule (1, 101) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une carte de circuit imprimé (4, 104) sur laquelle est fixée la source lumineuse (2, 102) est disposée entre la source lumineuse (2, 102) et le support (10, 110).
  5. Phare de véhicule (1, 101) selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un dissipateur de chaleur est disposé sur le support (10, 110) ou le support lui-même présente des ailettes ou des broches de refroidissement, et ladite au moins une source lumineuse (2, 102) est fixée sur le support (10, 110),
    dans laquelle, de préférence, entre la source de lumière (2, 102) et le dissipateur thermique, est disposée une carte de circuit imprimé (4, 104) sur laquelle est fixée la source de lumière (2, 102).
  6. Phare de véhicule (1, 101) selon la revendication 5, caractérisé en ce que le support (10, 110) présente un trou traversant à travers lequel la source lumineuse (2, 102) fait saillie.
  7. Phare de véhicule (1, 101) selon l'une quelconque des revendications précédentes, caractérisé en ce que le support (10,110) comprend en outre au moins une cavité (14, 15) ayant chacune une profondeur (16, 17), qui est adaptée pour recevoir ledit au moins un élément d'écartement (30, 31), 130) et est de forme sensiblement complémentaire au contour extérieur dudit au moins un élément d'espacement (30, 31, 130), la hauteur (35, 36) dudit au moins un élément d'espacement (30, 31, 130) étant supérieure à la profondeur (16, 17) dudit au moins une cavité (14, 15).
  8. Phare de véhicule (1, 101) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'entre ledit au moins un élément d'écartement (30, 31, 130) et le support (10, 110) et/ou entre ledit au moins un élément d'écartement (30, 31, 130) et l'étrier de retenue (40, 140) et/ou entre ledit au moins un moyen de liaison (20, 21, 120) et le support (10, 110) est appliquée une couche qui contient un adhésif (51, 151) qui a de préférence une forme fluide,
    l'adhésif (51, 151) étant de préférence incorporé dans un nombre de microcapsules (50) et est de préférence porté par un matériau porteur fluide dans lequel le nombre de microcapsules (50) est incorporé,
    et de préférence, par une liaison par adhérence du support (10, 110) à l'étrier de maintien (40, 140) par le biais dudit au moins un moyen de liaison (20, 21, 120), le nombre de microcapsules (50) éclate au moins partiellement et libère l'adhésif incorporé (51, 151).
  9. Projecteur de véhicule (1, 101) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit au moins un élément d'écartement (30, 31, 130) présente une ouverture d'élément d'écartement respective et a de préférence une forme torique, et ledit au moins un moyen de liaison (20, 21, 120) est guidé à travers l'ouverture d'élément d'écartement.
  10. Phare de véhicule (1, 101) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit au moins un moyen de liaison (20, 21, 120) est une vis, et de préférence l'alésage (12, 13) du support (10, 110) a un filetage qui est adapté pour s'engager avec ledit au moins un moyen de liaison (20, 21, 120).
  11. Projecteur de véhicule (1, 101) selon l'une quelconque des revendications précédentes, caractérisé en ce que le support (10, 110) comprend au moins une nervure d'écrasement (70, 170) adaptée pour s'engager avec le support de retenue (40, 140) à l'état ajusté.
  12. Procédé de montage et de réglage d'une source de lumière (2, 102) et d'une optique auxiliaire (3, 103) d'un phare de véhicule (1, 101) l'une par rapport à l'autre, la source de lumière (2, 102) étant réglée pour émettre de la lumière à travers l'optique auxiliaire (3, 103) et l'optique auxiliaire (3, 103) étant réglée pour focaliser ou former la lumière, caractérisé en ce que le phare de véhicule (1, 101) comprend en outre un support (10, 110) et un étrier de retenue (40, 140) et les étapes de procédé suivantes sont réalisées :
    - agencer et fixer la source lumineuse (2, 102) dans la zone d'une surface d'appui (11) du support (10, 110), dans laquelle est prévu un alésage (12, 13) destiné à recevoir au moins un moyen de liaison (20, 21, 120) qui s'étend dans une direction longitudinale et présente un axe (22, 23) dans la direction de l'extension longitudinale,
    - agencer au moins un élément d'écartement (30, 31, 130) sur le support (10, 110) et un étrier de retenue (40, 140) sur l'élément d'écartement (30, 31, 130), l'étrier de retenue (40, 140) étant relié fixement à l'optique auxiliaire (3, 103) et présentant au moins une ouverture (41, 42) qui est prévue pour recevoir ledit au moins un moyen de liaison (20, 21, 120),
    - insérer au moins un moyen de connexion (20, 21, 120) dans l'ouverture respective (41, 42) et dans l'alésage respectif (12, 13),
    - établir une condition d'ajustement initial en alignant l'optique de fixation (3, 103) avec la source lumineuse (2, 102) dans un plan XY défini perpendiculairement à l'axe (22, 23),
    - déterminer l'état de réglage initial dans le plan XY en reliant le support (10, 110) et l'étrier de maintien (40, 140) en exerçant une première force (80) au moyen dudit au moins un moyen de liaison (20, 21, 120), un premier état de réglage avec une première hauteur de réglage (61) étant atteint,
    - établir un troisième état de réglage dans le plan XY et dans la direction de l'axe (22, 23) en exerçant une troisième force (82) à l'aide des moyens de liaison (20, 21, 120) entre le support (10, 110) et l'étrier de maintien (40, 140), ce qui permet d'obtenir une troisième hauteur de réglage (63).
  13. Procédé selon la revendication 12, caractérisé en ce qu'avant l'étape d'insertion dudit au moins un moyen de liaison (20, 21, 120), un adhésif activable (51, 151) est appliqué sur la surface extérieure dudit au moins un élément d'écartement (30, 31, 130) et/ou celle du moyen de liaison (20, 21, 120), et
    l'étape suivante est effectuée avant celle d'établir le troisième état d'ajustement :
    - établir un deuxième état de réglage, dans lequel l'adhésif (51, 151) est activé en exerçant une deuxième force (81) au moyen des moyens de liaison (20, 21) entre le support (10, 110) et l'étrier de maintien (40, 140) et une deuxième hauteur de réglage (62) est atteinte, et
    l'étape suivante est effectuée après celle d'établir le troisième état d'ajustement :
    - déterminer le troisième état de réglage dans le plan XY et dans la direction de l'axe (22, 23) à la troisième hauteur de réglage (63) par durcissement de l'adhésif activé (51, 151).
  14. Procédé selon la revendication 12 ou 13, caractérisé en ce que, avant de disposer ledit au moins un élément d'écartement (30, 31, 130) entre ledit au moins un élément d'écartement (30, 31, 130) et le support (10, 110) et/ou entre ledit au moins un élément d'écartement (30, 31, 130) et l'étrier de maintien (40, 140) et/ou entre ledit au moins un moyen de liaison (20, 21, 120) et le support (10, 110), on applique une couche qui contient un adhésif activable (51, 151), qui a de préférence une forme fluide.
  15. Procédé selon l'une quelconque des revendications 12 à 14, caractérisé en ce que l'adhésif (51, 151) est incorporé dans un nombre de microcapsules (50) et est de préférence porté par un matériau porteur fluide dans lequel le nombre de microcapsules (50) est incorporé, et le nombre de microcapsules (50) éclate au moins partiellement lorsqu'une force mécanique est appliquée sur les microcapsules (50) et libère l'adhésif enrobé (51, 151).
  16. Procédé selon l'une quelconque des revendications 12 à 15, caractérisé en ce que le module d'élasticité dudit au moins un élément d'écartement (30, 31, 130) est inférieur au module d'élasticité de l'étrier de retenue (40, 140) et/ou celui du support (10, 110),
    le module d'élasticité dudit au moins un élément d'espacement (30, 31, 130) est de préférence inférieur à 80 kN/mm2, de préférence inférieur à 30 kN/mm2, plus particulièrement inférieur à 4 kN/mm2 et supérieur à 1 kN/mm,
    et de préférence, la limite d'élasticité dudit au moins un élément d'espacement (30, 31,130) est inférieure à 100 kN/mm2, de préférence inférieure à 80 kN/mm2 et supérieure à 10 kN/mm2, de préférence inférieure à 70 kN/mm2 et supérieure à 20 kN/mm2.
EP17205072.6A 2017-12-04 2017-12-04 Phares de véhicules et procédé de réglage d'une source de lumière et d'une optique additionnelle Active EP3492809B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP17205072.6A EP3492809B1 (fr) 2017-12-04 2017-12-04 Phares de véhicules et procédé de réglage d'une source de lumière et d'une optique additionnelle
ES17205072T ES2801381T3 (es) 2017-12-04 2017-12-04 Faro de vehículo y procedimiento para el ajuste de una fuente de luz y de una óptica auxiliar
CN201880078284.2A CN111417821B (zh) 2017-12-04 2018-12-03 车辆大灯和用于校准光源和附加光学系统的方法
US16/769,093 US11268670B2 (en) 2017-12-04 2018-12-03 Vehicle headlamp and method for adjusting a light source and an add-on optical unit
JP2020547308A JP7144525B2 (ja) 2017-12-04 2018-12-03 車両投光器、及び光源と前置光学系を調整するための方法
KR1020207017457A KR102464149B1 (ko) 2017-12-04 2018-12-03 차량 헤드램프, 그리고 광원 및 보조 광학 요소의 조정 방법
PCT/EP2018/083287 WO2019110475A1 (fr) 2017-12-04 2018-12-03 Projecteur de véhicule et procédé d'alignement d'une source lumineuse et d'une optique additionnelle

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EP4102131A1 (fr) * 2021-06-09 2022-12-14 ZKW Group GmbH Dispositif d'éclairage pour un phare de véhicule automobile
CN216218253U (zh) * 2021-10-13 2022-04-05 智邦科技股份有限公司 电路板安装支架

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US20210222851A1 (en) 2021-07-22
JP2021506088A (ja) 2021-02-18
KR20200087831A (ko) 2020-07-21
KR102464149B1 (ko) 2022-11-07
JP7144525B2 (ja) 2022-09-29
EP3492809A1 (fr) 2019-06-05
CN111417821B (zh) 2022-11-01
CN111417821A (zh) 2020-07-14
US11268670B2 (en) 2022-03-08
ES2801381T3 (es) 2021-01-11

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