WO2013077826A2 - Structure boîtier-lentille unifié pour équipement d'éclairage d'automobile et son procédé de production - Google Patents

Structure boîtier-lentille unifié pour équipement d'éclairage d'automobile et son procédé de production Download PDF

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Publication number
WO2013077826A2
WO2013077826A2 PCT/TR2012/000184 TR2012000184W WO2013077826A2 WO 2013077826 A2 WO2013077826 A2 WO 2013077826A2 TR 2012000184 W TR2012000184 W TR 2012000184W WO 2013077826 A2 WO2013077826 A2 WO 2013077826A2
Authority
WO
WIPO (PCT)
Prior art keywords
housing
lens
unified
section
light source
Prior art date
Application number
PCT/TR2012/000184
Other languages
English (en)
Other versions
WO2013077826A3 (fr
Inventor
Ali Yazici
Yunus Emre ESIYOK
Original Assignee
Magneti Marelli Mako Elektrik Sanayi Ve Ticaret A.S.
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 Magneti Marelli Mako Elektrik Sanayi Ve Ticaret A.S. filed Critical Magneti Marelli Mako Elektrik Sanayi Ve Ticaret A.S.
Publication of WO2013077826A2 publication Critical patent/WO2013077826A2/fr
Publication of WO2013077826A3 publication Critical patent/WO2013077826A3/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141Light emitting diodes [LED]
    • F21S41/143Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28Cover glass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29Attachment thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1657Making multilayered or multicoloured articles using means for adhering or bonding the layers or parts to each other
    • B29C2045/1668Penetration bonds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1657Making multilayered or multicoloured articles using means for adhering or bonding the layers or parts to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/006PBT, i.e. polybutylene terephthalate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2069/00Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026Transparent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055Cars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/747Lightning equipment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19Attachment of light sources or lamp holders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/39Attachment thereof

Definitions

  • the present invention is related to a unified housing-lens structure which generally includes some components such as electronic circuit board, reflector etc. within car lighting equipments such as headlamps, stop lamps etc.
  • US6250789 discloses an automobile headlamp housing and a method to combine it. To mount a lens onto a housing, before seating the brackets, created on the lens, to their places on the housing; applying some processes such as applying a bonding agent and afterwards finishing the process as seating it and therefore having a good appearance aesthetically are disclosed.
  • US6951365 a body subassembly for a vehicle that is designed to be mounted substantially flush with the surrounding vehicle body panels and an impact-absorbing bumper is disclosed.
  • US20030043592 discloses a lamp housing using a multi-part adhesive paths for holding the parts together. Combining and bonding are able to be made with a single process. In an embodiment of the invention which is aiming to shorten the process time for combining operation duration, the same adhesive, used in bonding the lens and housing, can be used for assembling the components.
  • a tail light for a motor vehicle, includes a lens which covers a housing opening in the beam direction of the light and the lens includes at least two lens sections, which are injection-molded onto each other along a connection region and the injection points of the respective lens sections are arranged in the connection region.
  • WO9630696 discloses that to simplify the manufacture of a vehicle lamp and reduce production costs while at the same time retaining or improving its efficiency, the reflector housing is multi-component injection moulded in one piece.
  • the basic section is moulded in a first injection step and the reflector is injection moulded on the basic section with a uniform wall thickness or layer thickness in a second step.
  • the present invention and technical solution is arised as taking into consideration of compatibility of materials to be used to provide unified structure and figuring out operational and economical benefits as applying a proper production process and method.
  • An objective of the invention is to put forward a unified housing-lens product so as to avoid some problems resulting from bonding or attaching the lens, that focuses the light, and with the housing, that gathers components such as reflector, connector, printed circuit board, in the lighting apparatus such as headlamp, stop lamp used in front and rear sides of the vehicles.
  • Another objective of the invention is to provide a housing-lens structure saving production and installation costs and at the same time prolonging the life of the lighting apparatus.
  • Another objective of the invention is to provide more convenience to production by defining a production method as clarifying processes needed for putting a unified housing - lens structure forward.
  • Figure 1 an exploded perspective view is presented for unified housing-lens and the other components of the invention for a vehicle lighting apparatus.
  • PCB Light source and Printed Circuit Board
  • the present invention is related to a novel unified housing-lens embodiment in a lighting apparatus such as headlamps, stop lamps etc. in front or rear side of the vehicles and methods to provide such product.
  • a lighting apparatus such as headlamps, stop lamps etc. in front or rear side of the vehicles and methods to provide such product.
  • Some components of said lighting apparatus in a housing are seen in Figure 1. Said components may be various depending on the type of the lighting apparatus and the place in where being used.
  • a sample application for a stop lamp is presented in figures.
  • Components that may exist in a vehicle lighting device generally are a housing that all components installed as combining on the vehichle and a lens (10) leaving out by focusing light rays from the upper side and a reflector (20) in the inner side of the housing (10), a light source and its connected printed circuit board (30), a back cap and a connector (40) providing electrical connection with vehicle and at the end a resulting element (50) for insulation and combining purposes.
  • FIG 2 a close perspective view of housing-lens of the present invention is seen.
  • a lens surface (11) upper and lower side surfaces (12, 13) at the upper side, which letting light rays out by focusing, and which are reflected by a said reflector (20) and provided by a light source (30) and installation projections (14) in accordance with positions and dimensions in where to be installed and installation holes (14.1) thereon.
  • a plug-in assembly there may not be needed to use such holes, another application having nails may be used instead.
  • upper and lower side surfaces (12, 13) are in monoblock (unified) structure in said housing-lens (10) arrangement. Therefore additional lens, housing and adhesive material that should be used between them are not necessary anymore and moreover a huge time saving, that has been needed for installation of such components will be achieved.
  • the lighting apparatus having said unified or monoblock housing- lens (10) after installation is stronger to the environmental strain and stresses on the vehicle and provides better insulation and therefore has more lifetime.
  • Said lens ( 1 ) is made of transparent polycarbonate (PC) in general.
  • PC transparent polycarbonate
  • Providing a unified structure of whole housing-lens arrangement (10) is possible with a process having a single or double stages as having one-component PC or two-component PC-PC/PBT (Polybuthylene Therefthalat). It is shown in the Figures 1 and 2 that the situation of said whole housing-lens having single component PC.
  • alternative applications and detailed views are given for the invention having different combining O ' unction) points of said two components obtained by said double componnents and two stages production method.
  • a junction surface (15) can be taken from the middle section (12.1 , 12.2) of said upper side surface (12), which forms the housing-lens (10) (as in Figures 3 and 4) and it can also possible to determine the junction point of said upper and lower side surfaces as the junction surface (15) (as in Figures 5 and 6).
  • the junction region (15) forms a smooth and flush surface after moulding operation.
  • the obtained housing-lens (10) of the present invention becomes a final product without needing any additional bonding or combining operation.
  • the biggest advantage of the double-components housing-lens (10) is on one hand providing the lens section by PC as a whole, having properties of more transparent and high optical quality, on the other hand the endurance and strength is provided to the lower section having installation parts such as installation projections as using a second material such as PC/PBT that provides more strength and less vulnerability thereon.
  • a unified housing-lens (10) is obtained by processing in a single mould the two materials having different physical advantages when they are cooled.
  • junction points (15.1) are given in Figures 7a, b and c.
  • the unified housing-lens (10) may be obtained by wholly PC or as the lens section (11 ) is made of PC and/or the other remaining secitons (12, 13) are of PC/PBT, with double material in a single mould as also being a unified structure.
  • the junction point of the two sections in this situation may have S, U or half O shape as making a shape correlation. According to behaviour of material combination, the strongest junction shape is to be preferrable.
  • Some various junction shapes are seen in drawings as S shape in Figure 7a, U in 7b and half O is in 7c.
  • the two sections are to be moulded so as to form a shape correlation
  • the lens section (1 1 ) and upper side surface section 1 (12.1 ) are of a single material such as PC;
  • the upper side surface section 2 (12.2) that is below the junction line (15) of the lower section and lower side surface (13) are of a second material such as PC and/or PC/PBT ( Figures 3 and 5).
  • the upper side surface sections (12.1 , 12.2) become a single part and form upper side surface (12).
  • the lens section (1 ) and upper side surface (12) are PC and lower side surface (13) and therefore the lower sections of the housing-lens (10) can be PC and/or PC/PBT.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un appareil d'éclairage d'automobile (10) qui comprend un boîtier (12, 13) qui protège certains composants tels qu'un catadioptre (20), une source de lumière (30) etc., et une lentille (11) concentrant les faisceaux lumineux provenant de la source de lumière (30) au niveau de la section où les faisceaux lumineux dans le boîtier (12, 13) sortent vers l'extérieur, et qui supprime le besoin de fixer le boîtier (12, 13) et d'utiliser des colles, liaisons etc. pour fixer l'ensemble. Le boîtier (12, 13) et la lentille (11) possèdent une structure unifiée (monobloc) du type boîtier-lentille (10) obtenue par un et/ou deux procédés à partir d'un seul moule. Ledit ensemble boîtier-lentille (10) est en plastique transparent issu d'un procédé d'injection de PC (polycarbonate) dans un seul moule ou en plastique unifié obtenu par injection dans un seul moule mais avec deux procédés si bien que ladite lentille (11) et une partie des surfaces latérales (12) sont en PC, le reste étant en PC/PBT (polybutylène téréphthalate).
PCT/TR2012/000184 2011-10-24 2012-10-23 Structure boîtier-lentille unifié pour équipement d'éclairage d'automobile et son procédé de production WO2013077826A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201110567 2011-10-24
TR2011/10567 2011-10-24

Publications (2)

Publication Number Publication Date
WO2013077826A2 true WO2013077826A2 (fr) 2013-05-30
WO2013077826A3 WO2013077826A3 (fr) 2013-08-15

Family

ID=47790482

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2012/000184 WO2013077826A2 (fr) 2011-10-24 2012-10-23 Structure boîtier-lentille unifié pour équipement d'éclairage d'automobile et son procédé de production

Country Status (1)

Country Link
WO (1) WO2013077826A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104552965A (zh) * 2013-10-18 2015-04-29 丹阳市中远车灯有限公司 一种车灯灯罩制备工艺
CN109749390A (zh) * 2018-12-27 2019-05-14 苏州卡利肯新光讯科技有限公司 一种汽车车灯用塑料透镜及其制备方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996030696A1 (fr) 1995-03-28 1996-10-03 Itt Automotive Europe Gmbh Feu de vehicule
US6250789B1 (en) 1999-09-27 2001-06-26 Valeo Sylvania Llc Lamp housing assembly and method for assembling same
US20030043592A1 (en) 2001-08-31 2003-03-06 Dirk-Martin Skirha Automotive lamp housing with bond joint
FR2868149A1 (fr) 2004-03-26 2005-09-30 Valeo Vision Sa Dispositif projecteur de lumiere, notamment pour vehicule automobile
US6951365B2 (en) 1999-02-18 2005-10-04 Lacks Industries, Inc. Flexible lamp mounting
US20050270787A1 (en) 2004-05-29 2005-12-08 Thomas Gross Light
GB2424472A (en) 2005-03-23 2006-09-27 Flexible Lamps Ltd Seal between a lens and a reflector on a vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10027565B4 (de) * 2000-06-02 2010-09-30 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge
DE10217420B4 (de) * 2002-04-18 2009-01-08 Hbpo Gmbh Vorrichtung zur Verbindung eines Scheinwerfers mit einer Fahrzeugkarosserie
DE102008057356A1 (de) * 2008-11-14 2010-05-20 Osram Gesellschaft mit beschränkter Haftung Optische Linse und Herstellungsverfahren für eine optische Linse

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996030696A1 (fr) 1995-03-28 1996-10-03 Itt Automotive Europe Gmbh Feu de vehicule
US6951365B2 (en) 1999-02-18 2005-10-04 Lacks Industries, Inc. Flexible lamp mounting
US6250789B1 (en) 1999-09-27 2001-06-26 Valeo Sylvania Llc Lamp housing assembly and method for assembling same
US20030043592A1 (en) 2001-08-31 2003-03-06 Dirk-Martin Skirha Automotive lamp housing with bond joint
FR2868149A1 (fr) 2004-03-26 2005-09-30 Valeo Vision Sa Dispositif projecteur de lumiere, notamment pour vehicule automobile
US20050270787A1 (en) 2004-05-29 2005-12-08 Thomas Gross Light
GB2424472A (en) 2005-03-23 2006-09-27 Flexible Lamps Ltd Seal between a lens and a reflector on a vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104552965A (zh) * 2013-10-18 2015-04-29 丹阳市中远车灯有限公司 一种车灯灯罩制备工艺
CN109749390A (zh) * 2018-12-27 2019-05-14 苏州卡利肯新光讯科技有限公司 一种汽车车灯用塑料透镜及其制备方法

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