EP1776256A1 - Composant comprenant un corps en mousse rigide et un element fonctionnel electrique et/ou electronique - Google Patents

Composant comprenant un corps en mousse rigide et un element fonctionnel electrique et/ou electronique

Info

Publication number
EP1776256A1
EP1776256A1 EP05776312A EP05776312A EP1776256A1 EP 1776256 A1 EP1776256 A1 EP 1776256A1 EP 05776312 A EP05776312 A EP 05776312A EP 05776312 A EP05776312 A EP 05776312A EP 1776256 A1 EP1776256 A1 EP 1776256A1
Authority
EP
European Patent Office
Prior art keywords
component according
foam body
component
plug
flat conductor
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.)
Withdrawn
Application number
EP05776312A
Other languages
German (de)
English (en)
Inventor
Walter Mehling
Manfred Kittner
Rolf Wagemann
Carsten Cilensek
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.)
Intedis GmbH and Co KG
FS Fehrer Automotive GmbH
Original Assignee
Intedis GmbH and Co KG
FS Fehrer Automotive 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 claimed from DE202004020378U external-priority patent/DE202004020378U1/de
Application filed by Intedis GmbH and Co KG, FS Fehrer Automotive GmbH filed Critical Intedis GmbH and Co KG
Publication of EP1776256A1 publication Critical patent/EP1776256A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
    • B60Q3/233—Seats; Arm rests; Head rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/50—Mounting arrangements
    • B60Q3/54—Lighting devices embedded in interior trim, e.g. in roof liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
    • B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
    • B60Q3/745—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps using lighting panels or mats, e.g. electro-luminescent panels, LED mats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0393—Flexible materials
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/01—Dielectrics
    • H05K2201/0104—Properties and characteristics in general
    • H05K2201/0116—Porous, e.g. foam
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/13—Moulding and encapsulation; Deposition techniques; Protective layers
    • H05K2203/1305—Moulding and encapsulation
    • H05K2203/1327—Moulding over PCB locally or completely

Definitions

  • the invention relates to a component according to the preamble of claim 1.
  • An ⁇ is a component according to the preamble of claim 1.
  • lining elements of vehicle construction are known, in which the lining is formed by a hard foam body, electrical or electronic functional elements, for example lighting elements, being provided on the lining.
  • electrical or electronic functional elements for example lighting elements
  • generic components can also be used, for example, as a housing or sensor carrier.
  • the conductor tracks for example photolithographically etched copper tracks or flat rolled copper tracks, are provided on an insulator element.
  • the insulator element serves as a carrier and ensures at least one-sided electrical insulation of the conductor tracks.
  • the flat conductor sets are characterized by their deformability and their flatness at relatively low wall thickness.
  • the component according to the invention is based on the basic idea that such a flat conductor set is at least partially foamed into the hard foam body during the production of the component.
  • the Flambaleitersatz is an integral part of the component, so that a separate Befesti ⁇ tion of the flat conductor set is no longer necessary.
  • the flat conductor set can be fixed by fixing the component defined in the vehicle.
  • the components can be manufactured as prefabricated functional modules, whereby the final assembly of the vehicles is greatly facilitated.
  • the Einbet ⁇ tion of the flat conductor set in the hard foam body allows the placement of electrical or electronic functional elements at installation locations, the previously could not be contacted or only at great expense with harness sets.
  • the flat conductor set In order to anchor the flat conductor set reliably in the hard foam body, it should preferably have recesses that can be foamed through by the hard foam.
  • the electrical or electronic functional element is contacted only after the foaming of the flat conductor set.
  • a higher process reliability is achieved by virtue of the fact that the functional element is already equipped, for example soldered, on the flat conductor set.
  • the functional element can already be tested for complete function before foaming.
  • additional sources of error such as plug contacts for contacting the flat conductor set ongnacsele ⁇ ment excluded.
  • the flat conductor sets which are flat in their initial shape, can be deformed before foaming in accordance with a desired three-dimensional shape and subsequently foamed in this shape.
  • the flat conductor set can, for example, be folded along at least one folding edge or twisted around at least one torsion axis or curved or arched along at least one bending line.
  • the three-dimensional shape of the Flachlei ⁇ tersatzes is fixed in the component so that otherwise difficult to use space can be easily developed with electrical or electronic functions.
  • Which type of components are manufactured with the technology according to the invention is fundamentally arbitrary. For example, the production of housings, for example, for control devices or similar. conceivable.
  • the technology according to the invention offers particularly great advantages in the production of cladding elements, in particular for vehicle construction. It is preferably possible to produce seat coverings, door coverings, sunroof panels or headliner elements with the technology according to the invention by foaming flat conductor sets in hard foam bodies.
  • a covering film is frequently provided on the visible side in order to imitate the surface of a cowhide grain.
  • This cover can serve as a carrier to which the flat conductor set attached and then backfoamed.
  • insulator foils can be used as insulator elements on which the conductor tracks are produced, for example, by means of photolithographic etching processes.
  • Such insulator films can be easily equipped with electrical and electronic components and thereby form a circuit carrier.
  • an electrically insulating polymer is used to foam the hard foam body, the otherwise customary additional insulations on the side of the printed conductors facing away from the insulator film, for example a second insulator film, can be dispensed with.
  • a second insulator film offers considerable cost advantages, since the costs for flat conductor sets are significantly increased by the typically required insulation of the second surface, for example by the attachment of the second insulator film.
  • Insulator sheaths can also be used as insulator elements as an alternative to insulator foils. This insulation sheath encloses the tracks on all sides and often serves as a simple conductor element. By partial removal of the insulation sheathing, however, it is also possible here to equip the flat cable sets with electrical and electronic components in order to form a circuit carrier again.
  • the components according to the invention can in principle be produced with all types of flat cable sets. Particularly suitable, however, are so-called FPCs (Flexible Printed Circuit) or FFCs (Fiat Flexible Cables), since this type of flat cable set has already proven itself many times in vehicle construction.
  • FPCs Flexible Printed Circuit
  • FFCs Fiber Flexible Cables
  • the functional element is designed in the manner of a luminous means, in particular in the manner of a light-emitting diode.
  • a luminous means in particular in the manner of a light-emitting diode.
  • quite novel lighting concepts for the vehicle interior can be realized by the technology according to the invention when contacting light sources.
  • components in particular Wegver modeun ⁇ gene, conceivable with which the footwell is illuminated in a vehicle.
  • illuminations for illuminating interior mirrors, for example on sun visors, or on headliners with the technology according to the invention can be implemented cost-effectively and effectively.
  • the luminous means is inserted into the hard foam body together with the flat conductor set. foamed. Foaming of the luminous means ensures reliable protection of the luminous means from external damage.
  • the light source can be arranged on a surface of the component.
  • the luminous means is thus not completely foamed, so that the light generated by the luminous means is emitted directly at the surface.
  • the luminous means is arranged on the side of the component facing away from the visible side of the component. In this way, the light bulb does not have to be covered consuming on the visible side.
  • a Lichtleitele ⁇ ment can be used to guide the light generated by the light source from the hidden side of the component to the outside.
  • the light-guiding element preferably extends through the rigid foam body.
  • the luminous means is arranged in the interior of the rigid foam body. To get the light out of the
  • a Lichtleit ⁇ element is provided, with which the light generated by the light source is forwarded to a light exit opening.
  • the flat conductor set As an alternative to foaming the illuminant, it is also conceivable for the flat conductor set to have a cable tail projecting from the rigid foam body, on which the illuminant is arranged.
  • This projecting cable tail can be fixed on the component after curing of the rigid foam body, in order to thereby realize the desired lighting function.
  • the cable tail is fixed with the illuminant provided thereon to a concealed surface of the component, so that the cable tail is not visible from the outside when the component is used.
  • a light-guiding element is additionally provided on the component with which the light generated by the illuminant is forwarded to a light outlet opening.
  • light-guiding elements it is possible with preference to use light-guiding prisms or light-guiding fibers, which, for example, can be produced cost-effectively from plastic.
  • a heating device can also be provided on the component according to the invention which is electrically contacted by means of the flat conductor set.
  • a foil heater is integrated on the insulator element of the flat conductor set, so that foaming of a separa ⁇ th heating device next to the flat conductor set is eliminated.
  • heating devices for heating the knee region of the passengers on a rear bench seat can thereby be realized.
  • the sensors should preferably work without contact, so that they can be completely embedded in the hard foam body.
  • capacitive sensors are suitable for this purpose, which detect changes in the capacitance in the electromagnetic environment, for example when a body part approaches.
  • the component is designed in the manner of a seat covering, the contact of the seat covering with body parts or objects can be detected by such sensors in order to realize a pinching protection by evaluating the sensor signal.
  • sensors in the seat trim are conceivable, which serve as seat occupancy sensors.
  • switches can also be integrated into foamed components. These switches should also preferably work non-contact so as to be completely immersed in the Hard foam body to be embedded. In particular, capacitive switches are suitable.
  • upstream control and / or control electronics can be integrated into the hard foam part by applying the technology according to the invention.
  • dimmable controls for lighting elements, temperature control or evaluation circuits for the evaluation of sensor signals can be integrated on the flat conductor set and foamed into the hard foam part together with the flat conductor set.
  • the flat conductor set is led out of the rigid foam body even in a dividing plane defined by the components of a foaming mold.
  • the flat conductor set is inserted into the foam mold in such a way that the part to be guided out is guided out of the mold cavity in the dividing plane between the two foam mold halves.
  • the hard foam part can be removed from the mold, with one end of the flat conductor set then protruding out of the hard foam body.
  • a suitable contacting element for example a plug, for contacting the on-board network can be connected to the lead-out end of the flat conductor set.
  • the lead out of the flat conductor set in the parting plane has the disadvantage that the flat conductor set not at any point of the Component can be led out of the foam body.
  • a sealing element in particular a sealing plug, can be foamed into the outer surface of the hard foam body.
  • This sealing element has a passage through which the flat conductor set is led out of the interior of the rigid foam body to the outside.
  • the sealing element is constructed such that the foaming mold is sealed during the foaming of the foam body in a recess or depression.
  • the sealing plug is attached to the flat conductor set and then inserted the flat conductor set together with the sealing plug in the foaming mold.
  • the sealing plug is thereby mounted in a recess or depression of the foam mold, so that the flat conductor set is led out of the interior of the mold cavity through the sealing plug in a recess or recess located outside of the mold cavity.
  • the mold cavity is filled with foam, wherein the recess or depression is sealed off by the sealing plug, so that the polymer foam does not escape from the mold cavity.
  • the foam mold is opened and the hard foam part removed from the mold, wherein the
  • the sealing element In order to attach the sealing element in a simple manner on the flat conductor set, it should preferably be formed in two parts. This makes it possible that, by assembling the two parts of the sealing element, the lead-through for the passage of the flat conductor set is formed.
  • the two parts of the sealing element should preferably be separated from each other in a preferably flat parting line.
  • sealing elements are also conceivable which are only partially foamed, wherein the sealing element, starting from the foamed part, at least slightly tapered towards the outside.
  • a type of sealing plug is thereby formed, which readily foams the mold cavity of the foam mold during expansion, on account of the internal pressure rising in the interior of the mold cavity.
  • a flange may be provided on the sealing element, which is foamed into the foam body.
  • a plug can be made up on the flat conductor set for making electrical contact with the flat conductor set foamed into the rigid foam body.
  • At least one plug element for example a plug-in tongue, is provided on this plug, with which a conductor track of the flat conductor set can be electrically contacted.
  • the plug is partly foamed into the hard foam body.
  • the lead-out of the electrical contact elements from the hard foam body is readily realized by the plug-in elements provided on the plug.
  • the plug Insofar as the plug is foamed into the hard foam body, it should preferably have a rounded outer contour, since such rounded outer contours facilitate a sealing of the sealing joint between the inner wall of the foam mold and the plug.
  • the plug In order to realize a seal which is also effective against higher internal pressures, the plug should have a closed circumferential sealing surface which comes to bear against the inside of the foaming mold during foaming of the rigid foam body and seals the mold cavity of the foaming mold. This sealing surface should in turn preferably have a rounded outer contour.
  • the manner in which the sealing surface is designed to seal the sealing joint between plug and foam mold is basically possible. big.
  • sealing rings for example elastomer rings, which are fastened to the plug.
  • the circumferential sealing surface should run ver ⁇ in a plane, namely a sealing plane. This extending through the plug body sealing plane separates the foam-filled area of foam-free areas.
  • the plug-in elements of the plug pass through the sealing plane, thereby realizing the electrical contact between the non-foamed ends and the ends contacted at the flat conductor set.
  • the plug-in elements of the plug should preferably be bent stepwise.
  • FIG. 1 shows the vehicle interior of a vehicle in a schema ⁇ tized cross section.
  • FIG. 2 shows the seat lining of the vehicle seat in the vehicle compartment according to FIG. 1 in a view from the rear visible side;
  • FIG. 2 shows the seat lining of the vehicle seat in the vehicle compartment according to FIG. 1 in a view from the rear visible side;
  • FIG. 3 shows the seat covering according to FIG. 2 in the partial cross-section along the section line A-A;
  • FIG. 4 shows the flat conductor set foamed into the covering part according to FIG. 2 in a view from above;
  • FIG. 5 shows a second embodiment of a flat conductor set which can be foamed into a seat covering in a perspective view from above;
  • FIG. 6a shows a first embodiment of a component according to the invention with luminous means in partial cross-section
  • FIG. 6b shows a second embodiment of a component according to the invention with luminous means in partial cross-section
  • FIG. 6c shows a third embodiment of a component according to the invention with luminous means in partial cross-section
  • FIG. 7 shows an embodiment of a component according to the invention with a foamed-in lamp in partial cross-section
  • FIG. 8 shows the component according to FIG. 2 with attached Lichtleitele ⁇ element in a perspective view.
  • FIG. 9 shows a light-guiding element for arrangement on the component in a perspective view
  • FIG. 11 shows a foaming mold for producing a component according to the invention in cross section
  • FIG. 12 shows the component produced in the foaming mold according to FIG. 10 in cross section
  • FIG. 13 shows a sealing element for foaming into a component according to the invention in a perspective view
  • FIG. 14 shows a foaming mold for producing a component according to the invention using a sealing element according to FIG. 13 in cross section;
  • FIG. 15 shows one half of the sealing element according to FIG. 13 in top view
  • FIG. 16 shows the half according to FIG. 15 in a lateral view
  • Fig. 17 is a foaming mold for producing a novel
  • Component with foamed plug in a schematic cross section; 18 shows a first embodiment of a plug for producing a component according to the invention in a perspective view;
  • FIG. 19 shows a second embodiment of a plug for the production of a component according to the invention in perspective
  • FIG. 20 shows a third embodiment of a plug for producing a component according to the invention in a perspective view
  • FIG. 21 shows a fourth embodiment of a plug for producing a component according to the invention in a perspective view.
  • a vehicle 01 is shown with the vehicle interior 02 in a schematic cross section.
  • a driver's seat 03 is provided, on which a driver 04 can take place.
  • inventive component 07 is attached to the driver's seat 03.
  • the component 07 comprises a hard foam body 1 1, in which a flat conductor set 08 is foamed for contacting various electrical or electronic meetings ⁇ elements.
  • Fig. 2 shows the component 07 in a schematic view from the rear visible side.
  • a luggage net On the visible side of the component 07 a luggage net is fastened.
  • the flat-line set 08 indicated by dashed lines is foamed.
  • the flat conductor set 08 protrudes with two cable tails 09, at which in each case a lighting means 10, namely a light-emitting diode, is fitted out of the hard foam body 11.
  • Fig. 3 shows the structure of the component 07 in cross section.
  • the insulator film 12 is arranged in the hard foam body 1 1 so that the flat conductor tracks 13 into the interior of the rigid foam body 1 1, which is foamed of an electrically insulating polymer, for example, from Polyure ⁇ , have.
  • an additional electrical insulation of the flat conductor tracks 13 can be dispensed with, since the insulation of the flat conductor tracks is realized by the rigid foam body 11.
  • a cover film 14 is attached, for example foamed back, laminated or glued, in order to form a visually appealing visual page, for example, with a grained surface during manufacture of the component 07.
  • Fig. 4 shows the structure of the flat conductor set 08 in top view.
  • the flat conductor set 08 comprises the two cable tails 09 with the bulbs 10 mounted thereon.
  • a heating device 15 designed as a foil heater is provided on the flat conductor set 08, with which the component 07 serving as a seat covering can be heated in the region of the knees of the passengers 05 ,
  • a non-contact, capacitive sensor 16 is provided, with which the contact of conveniently ⁇ share or objects on the outer surface of the component 07 can be detected to realize a anti-trap.
  • the sensor 16 reports the presence of a body part or object to a control device 17, which is likewise populated on the flat conductor set 08, the further seat adjustment of the driver's seat 03 automatically takes place blocked in order to prevent the pinching of the legs of passengers 05 or of the footwell behind the driver's seat 03 (see FIG. 1) located Martinezstän ⁇ the.
  • a temperature control electronics 18 is fitted on the flat conductor set 08.
  • the plug for connection of the flat conductor set on the electrical system of Fahrzeu ⁇ ges 01 is not shown in Fig. 4.
  • FIG. 5 shows an alternative embodiment 08a of a flat conductor etching for foaming into the component 07.
  • the flat conductor set 08a capacitive Sensor ⁇ surfaces 16a and 16b, a heater 15a, a control and Regel ⁇ electronics 20 and a light source, namely an LED 21, whose light is deflected by a light guide 22, on.
  • Recesses 23 and slots 24 are provided in the insulator film 12a in order to optimally anchor the flat conductor set 08a during foaming into the rigid foam body 11.
  • FIG. 6a shows an embodiment 25a of a component according to the invention, in the hard foam body 26a of which a flat conductor set 27a with a light source 28a equipped thereon is foamed.
  • the light-emitting means 28a is arranged on the surface of the hard foam body 26a, which does not form the visible side of the component 25a.
  • a double-sided adhesive ring 29a is used, with which the housing ring of the luminous means 28a is fastened on the inner side of a foaming mold.
  • a cover 30 a is arranged on the visible side of the component 25 a.
  • a light-guiding element 31a designed in the manner of a deflection prism is used.
  • a transparent cover element 32a is plugged from the visible side in order to cover the edge of the recess.
  • Fig. 6b shows a second embodiment 25b of a component according to the invention, which substantially corresponds in construction to the embodiment 25a.
  • the luminous means 28b projects beyond the surface of the hard foam body, so that the generated light can be coupled into the light-conducting element 31b better.
  • a depression for receiving the projecting part of the illuminant 28b is provided in the foaming mold provided for this purpose.
  • a double-sided adhesive ring 29b is used.
  • the flat conductor set 27a can also be glued behind in the region of the luminous means 28b with an adhesive strip and thereby fixed to the inner wall of the foam mold.
  • the flat conductor set 27c is led out of the rigid foam body by means of a sealing element 56, which is described in more detail below, to form a cable tail 62.
  • the bulb 28c is equipped.
  • the light source 28c lies opposite the light guide element 3 1 c which is pushed through by the hard foam element 26 c and whose front part also serves as a cover element 32 c. As a result, the light generated by the luminous means 28c can enter the
  • Lichtleitelement 3 1 c coupled and passed through the hard foam body 26 c and the cover 30c through to the visible side of the component 25 Vietnamese ⁇ .
  • Fig. 7 shows a further embodiment 33 of a component according to the invention in cross section.
  • a flat conductor set 34 with light source 35 fitted thereon namely a light-emitting diode
  • the light source 35 is arranged on the side facing the interior of the rigid foam body 36 side.
  • a Lichtleitele ⁇ element 40 is foamed into the hard foam body 36 together with the flat conductor set 34.
  • the light guide element 40 is designed in the manner of a light guide prism, so that the light beam 38 can be deflected in the direction of the light exit opening 39 at the prism surfaces of the light guide element 40.
  • Fig. 8 shows the component 07 with the cable tails 09 and the lamps 10 attached thereto again in a perspective view.
  • two recesses 41 are provided, into which two light-guiding elements 42 can be inserted.
  • the Lichtleit ⁇ elements 42 consist of a transparent plastic body and are attached with a clip 43 above the light source 10 to the cable tails 09. By inserting the light guide elements 42 into the recesses 41, the light generated by the light sources 10 can be conducted through the component 07 from the hidden side to the outside.
  • FIG. 10 shows a three-dimensionally shaped component 50 in cross section.
  • the foamed in a hard foam body 55 flat conductor set 51 is bent several times according to the three-dimensional shape of the component 50.
  • a non-contact capacitive sensor 52 and the electronic components 53 of a control and evaluation device is equipped.
  • a plug 54 is provided at one end of the flat conductor set 51 for connecting the flat conductor set 52 to a vehicle electrical system.
  • the plug 54 is foamed with the flat conductor set 52 together into the hard foam body 55.
  • two fastening eyes are integrally formed.
  • 11 and FIG. 12 illustrate a first possibility for leading out a flat conductor set 44 from the hard foam body 45 of a component according to the invention.
  • the flat conductor set 44 is inserted into a foaming mold 46 and a projecting cable tail 47 in the parting plane between the two foaming moldings 48 and 49 leads out. Subsequently, the two foam moldings 48 and 49 are closed and the resultant mold cavity is foamed with the rigid foam body 45. After removal of the hard foam body 45, the flat conductor set 44 projects with the cable tail 47 via the hard foam body 45 (see FIG. 12).
  • FIG. 13 shows an alternative possibility for bringing out the electrical contact of a flat conductor set 57 made of a foamed rigid foam body.
  • a sealing element 56 which is formed in two parts from two disk-shaped sealing parts 58 and 59, is foamed together with the flat conductor set 57 into a hard foam body 60 (see FIG. 14).
  • the sealing parts 58 and 59 are plugged together with the flat conductor set 57 and seal the foaming mold 61 during the foaming of the rigid foam body 60 in a recess provided for this purpose.
  • the flat conductor set 57 is led out with its protruding Jardin ⁇ tail 62 through the sealing element 56 from the interior of the foam mold 61 to the outside, wherein the sealing member 56 seals the foam mold 61 due to its upwardly tapering shape in the manner of a sealing plug.
  • a flange 63 is integrally formed on the underside of the sealing element 56.
  • Fig. 15 and Fig. 16 show the sealing member 58 in top view and in side view.
  • protrusions 64 are integrally formed on the sealing part 58 and functionally complementary to the sealing part 59, with where the sealing parts 58 and 59 can be plugged together.
  • a shallow recess 65 is provided, in which the flat conductor set 57 is received.
  • FIG. 17 schematically shows the production of a rigid foam body 66 with a foamed-in flat conductor set 67 and plug 68 attached thereto.
  • FIG. 18 shows a first embodiment 70 of a plug which, together with a flat conductor set 71, can be foamed into a hard foam body.
  • the flat conductor tracks (not shown in FIG. 18) on the flat conductor set 71 are in each case contacted with plug-in elements 72.
  • the plug-in elements 72 are designed in the manner of tabs which are produced as sheet-metal bent parts and are injected into the plastic body 73 of the plug 70.
  • a circumferential sealing surface 74 is provided on the plug 70, which sealingly comes to rest on the inside of the foam mold.
  • the sealing surface 74 has no corners and edges, but bi digs a rounded outer contour to provide optimum sealing of the sealing joint between the plug 70 and foaming mold.
  • a sealing ring for example a rubber sealing ring, can be arranged in the sealing surface 74.
  • another sealing element can be injection-molded with a two-component material.
  • the plug-in elements 72 extend perpendicular to the outer surface of the hard foam part, so that the mating plug can be plugged onto the plug 70 from above.
  • FIG. 19 shows a second embodiment 75 of a possible plug for contacting a flat conductor set 71.
  • the plug elements 76 extend parallel to the outer surface of the hard foam part. However, in order to be able to contact them in a simple manner on the flat conductor set 71, the plug elements 76 are bent in a stepped manner.
  • FIG. 20 shows a third embodiment 77 of a plug for contacting on a foamed flat conductor set 71.
  • the plug 77 of the plug 77 extend obliquely to the outer surface of the hard foam body, so that the mating connector can be inserted from obliquely above.
  • FIG. 21 shows a fourth embodiment 79 of a plug which can be contacted on a foamed-in flat conductor set 71.
  • a sealing surface 81 extending obliquely to the outer surface of the rigid foam body is used for sealing the plug 79 in the foaming mold.
  • the sealing surface 81 runs in a sealing plane extending obliquely to the outer surface of the rigid foam body, so that the part 82 of the plug 79 lying obliquely below the sealing surface 81 is foamed, and the obliquely situated part 83 of the plug 79 is not foamed.
  • This type of plug construction makes it possible for the plug-in elements 80 to be easily mounted on the plastic body 84 of the plug 79 by shooting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne un composant (07, 25, 33), destiné en particulier à un véhicule (01), ce composant (07, 25, 33) étant réalisé dans un polymère expansé formant un corps en mousse rigide (11, 26, 36, 45, 52, 60, 66) et ledit composant (07, 25, 33) présentant au moins un élément fonctionnel (10, 15, 16, 17, 18, 19, 20, 21, 35) électrique et/ou électronique. Un ensemble de conducteurs plats (08, 27, 34, 44, 51, 57, 67, 71) sert à établir un contact électriquement conducteur au niveau de l'élément fonctionnel (10, 15, 16, 17, 18, 19, 20, 21, 28, 35), cet ensemble étant caractérisé en ce qu'au moins deux pistes conductrices (13) sont fixées conjointement sur ou dans un élément isolant (12, 30, 37) sensiblement plat et déformable. Ledit ensemble de conducteurs plats (08, 27, 34, 44, 51, 57, 67, 71) est incorporé au moins partiellement dans le corps en mousse rigide (11, 26, 36, 45, 52, 60, 66) expansé.
EP05776312A 2004-08-13 2005-08-12 Composant comprenant un corps en mousse rigide et un element fonctionnel electrique et/ou electronique Withdrawn EP1776256A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202004020378U DE202004020378U1 (de) 2004-08-13 2004-08-13 Anordnung zur Befestigung eines Flachleitungssatzes in einem Kraftfahrzeug
DE102005003132A DE102005003132B8 (de) 2004-08-13 2005-01-21 Bauteil mit Hartschaumkörper und elektrischem und/oder elektronischem Funktionselement
PCT/DE2005/001421 WO2006015588A1 (fr) 2004-08-13 2005-08-12 Composant comprenant un corps en mousse rigide et un element fonctionnel electrique et/ou electronique

Publications (1)

Publication Number Publication Date
EP1776256A1 true EP1776256A1 (fr) 2007-04-25

Family

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EP05776312A Withdrawn EP1776256A1 (fr) 2004-08-13 2005-08-12 Composant comprenant un corps en mousse rigide et un element fonctionnel electrique et/ou electronique

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Country Link
US (1) US20080093890A1 (fr)
EP (1) EP1776256A1 (fr)
DE (1) DE102005003132B8 (fr)
WO (1) WO2006015588A1 (fr)

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Also Published As

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US20080093890A1 (en) 2008-04-24
DE102005003132B8 (de) 2010-07-22
WO2006015588A1 (fr) 2006-02-16
DE102005003132B4 (de) 2010-04-08
DE102005003132A1 (de) 2006-03-02

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