WO2015090625A1 - Système textile - Google Patents

Système textile Download PDF

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Publication number
WO2015090625A1
WO2015090625A1 PCT/EP2014/052219 EP2014052219W WO2015090625A1 WO 2015090625 A1 WO2015090625 A1 WO 2015090625A1 EP 2014052219 W EP2014052219 W EP 2014052219W WO 2015090625 A1 WO2015090625 A1 WO 2015090625A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical waveguide
textile
arrangement
bending
light
Prior art date
Application number
PCT/EP2014/052219
Other languages
German (de)
English (en)
Inventor
Rainer Gössl
Original Assignee
K & R Sax Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by K & R Sax Gmbh filed Critical K & R Sax Gmbh
Publication of WO2015090625A1 publication Critical patent/WO2015090625A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/004—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft with weave pattern being non-standard or providing special effects
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/547—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads with optical functions other than colour, e.g. comprising light-emitting fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/20—Physical properties optical

Definitions

  • the invention relates to a textile arrangement with a textile fabric having a multiplicity of textile fibers and / or textile threads.
  • the present invention relates to a multi-layer structure with a textile arrangement of the aforementioned type, the use of the multilayer structure and an illumination system with an arrangement and / or a multi-layer structure respectively of the aforementioned type.
  • a textile fabric according to the present invention for example, a fabric , Knitted, knitted, woven, knitted, non-woven or felt.
  • Such fabrics may be formed to be able to emit light.
  • phosphorescent constituents can be introduced into the textile fabric.
  • the phosphorescence can not be controlled.
  • the luminosity decreases with time and the possibilities of colored design of the lighting are severely limited.
  • electroluminescent filaments that emit light upon application of electrical voltage may be incorporated into the textile.
  • this has the disadvantage that it can lead to short circuits in the textile due to the passage of electricity through the textile.
  • textile fabrics with electroluminescent filaments are expensive to produce and therefore expensive.
  • the object of the present invention is to provide a textile arrangement with a textile fabric having a multiplicity of textile fibers and / or textile threads, which makes it possible to emit light over the textile fabric in a simple and cost-effective manner with a simple possibility of emitting light to control and achieve a uniform light output across the fabric allows.
  • the above object is achieved by a textile arrangement having the features of claim 1.
  • the features of the dependent claims relate to advantageous embodiments.
  • At least one optical waveguide for emitting light and at least one bending component for bending the optical waveguide are provided such that in the region of at least one bend, in particular at many turns of the waveguide Fiber optic cable, a light exit from the optical fiber into the environment takes place.
  • the optical waveguide is bent in the textile arrangement around the bending component.
  • the optical waveguide is able to transport a luminous flux, which is coupled into the optical waveguide, through the textile fabric.
  • the optical waveguide can be connected to a light source in a manner known from the prior art.
  • the optical waveguide then makes it possible to transport the luminous flux through the textile fabric from the light source to the location where it is to be dispensed from the textile arrangement. If an optical waveguide is deflected strongly enough and has a sufficiently small bending radius in the region of a bend, light can leave the optical waveguide in the region of the bend over its lateral surface.
  • the transport of the luminous flux in an optical waveguide is based on the fact that the light waves transported in the optical waveguide are reflected at an interface between an optically denser medium in the optical waveguide and an optically thinner medium.
  • the optically denser medium may, for example in the case of a simple glass fiber, be the optical waveguide itself, which is surrounded by the ambient air as a visually thinner medium.
  • the optically denser medium may also be a core of the optical waveguide, which is surrounded by a visually thinner jacket. If the light waves hit the interface at an angle that is below the limit angle required for total reflection to the solder at the interface, the light waves are not reflected at the interface, but leave the optically denser medium. If the optical waveguide is bent hard enough, in the region of the bend light waves strike the interface at an angle which is smaller than the critical angle for total reflection is what causes at least some of the lightwaves to leave the optical waveguide.
  • the optical waveguide By using bending components in the textile arrangement, it is possible in accordance with the invention to bend the optical waveguide so that when light is coupled into the optical waveguide, an at least partial light emission is effected via the lateral surface of the optical waveguide in the region of the bend.
  • the optical waveguide is preferably bent several times, so that an at least partial light emission in the region of the bends is effected.
  • a predominant part of the coupled-in light leaves the optical waveguide on a certain outside of the textile arrangement, so that predominantly or substantially only this outside is illuminated.
  • the deflection of the optical waveguide is chosen so that damage to the optical waveguide is excluded due to excessive bending.
  • the bending radius is chosen to be at least so large that it is ensured that no damage to the optical waveguide due to excessive bending occurs when the textile arrangement is used as intended.
  • damage to the optical waveguide is to be understood as meaning, in particular, the formation of microscopic cracks, in particular on the surface of the optical waveguide. Such cracks can sustainably weaken the structure of the optical waveguide and thus reduce its service life.
  • the surface of the optical waveguide is not mechanically or chemically roughened or otherwise disturbed in its homogeneity.
  • This also includes, for example, the selective breaking of the surface on the lateral surface of the optical waveguide, in particular by a laser, which indeed promotes a light emission through the lateral surface of the optical waveguide, but this structurally weakens.
  • a significant advantage of the present invention is to allow a sufficient light leakage through the jacket without such structurally weakening measures. This also allows a cost-effective production of the textile arrangement according to the invention.
  • the diameter of the optical waveguide is preferably at most 2 mm. Particularly advantageously, the diameter is at most 1 mm.
  • optical fibers with a larger diameter have the advantage that more light can be coupled into the optical waveguide and emitted by the optical waveguide. Therefore, it is also advantageous if the diameter of the optical waveguide is at least 0.05 mm, preferably at least 0.1 mm, particularly preferably at least 0.5 mm.
  • the properties of the optical waveguide continue to depend on the material of the optical waveguide. Particular preference is given to using an optical waveguide made of polymethyl methacrylate (PMMA) or polycarbonate (PC). Alternatively, however, other plastics can also be used as material for the optical waveguide.
  • PMMA polymethyl methacrylate
  • PC polycarbonate
  • other plastics can also be used as material for the optical waveguide.
  • glass fibers as optical fibers is possible.
  • the aforementioned material specifications relate in particular to the material of the core of the optical waveguide, if it is an optical waveguide with a core-shell structure.
  • the flexure component may be one or more fibers and / or threads.
  • the fibers or threads can be processed in a simple way weaving.
  • the bending component is a monofilament, which allows a simple weaving technical introduction of the bending component in the textile arrangement.
  • the bending component can be processed both as a chain and as a shot.
  • a fiber or a filament may also have a coating or sheath or wise consist of different materials that form a physically coherent fibrous structure.
  • the bending stiffness of the bending component and / or the modulus of elasticity (E-modulus) of the bending component is greater than the bending stiffness of the optical waveguide and / or the modulus of elasticity of the optical waveguide.
  • the flexure component may consist of polyethersulfone (PES) and / or preferably have substantially PES.
  • PES polyethersulfone
  • This material has an elastic elongation of about 50% and an E-module, which is on the order of typical E-modules of optical fibers.
  • the flexure component may consist of polyethersulfone (PES) and / or have PES.
  • PES polyethersulfone
  • This material has very good mechanical properties and can be easily processed by weaving technology.
  • the bending stiffness of the bending component and / or the modulus of elasticity of the bending component can be greater than the bending stiffness and / or the modulus of elasticity of the fibers and / or threads of the textile fabric.
  • the fibers or threads of the textile fabric can ensure a textile-typical flexibility of the textile arrangement, while the bending component allows the desired bending of the optical waveguide.
  • the textile fabric may be a particularly elastic fabric.
  • Typical of a fabric is the processing of fibers and / or threads with a machine weaving process, whereby the threads or fibers can be processed in either warp or weft direction.
  • Crossing points of warp and weft threads or fibers are also referred to as setting in the context of the present invention.
  • a binding designates a binding point at which the warp and weft of the fabric cross in a tissue-like manner.
  • the optical waveguide can be tied off by at least one weaving technique or, in other words, woven into the fabric.
  • the optical waveguide can cross a bending component and / or a textile thread in the textile fabric in a tissue-like manner.
  • the setting can be done by means of bending components and / or fibers or threads of the textile fabric already in the web technical production of the fabric.
  • the optical waveguide can be introduced into the tissue in the warp and / or weft direction.
  • the bending component can likewise be introduced into the fabric in the warp and / or weft direction and, preferably, processed as a warp or weft thread.
  • the optical waveguide in the weft direction and the bending component and / or the fiber or the thread in the warp direction can be arranged and woven together.
  • An essential advantage of a fabric-like textile arrangement with optical waveguides and bending components processed in the warp and weft directions is simple production on preferably automated weaving machines.
  • the optical waveguide can extend at least in sections on a surface of the textile fabric and be guided into at least one bending component into the fabric and / or through the fabric. It is also possible to lead an optical waveguide, which extends within the textile fabric, out of the fabric at a bending component.
  • a preferred structure of the textile arrangement may provide that the optical waveguide is bent in each case between two bending components immediately adjacent in the longitudinal direction of the optical waveguide and thereby crosses both bending components. The adjacent bending components are in this case on different longitudinal sides of the optical waveguide against the optical waveguide in order to produce a bend, in particular a light-emitting turn, of the optical waveguide.
  • the optical waveguide is guided from a surface of the textile fabric into the textile fabric and, preferably, through the textile fabric to the other side of the textile fabric. In the course between the immediately adjacent bending components, the optical waveguide then changes the direction of curvature.
  • the optical waveguide can also be bent at two spaced apart and on a same longitudinal side of the optical waveguide against the optical waveguide bending components, wherein the optical waveguide at both bends formed by a same outside of the textile arrangement into the fabric in and / or passed.
  • a light emission may occur via the outer surface of the optical waveguide.
  • the optical waveguide in the region between two mutually spaced and on a same longitudinal side of the optical waveguide against the optical waveguide bending components extends on a same outer side of the textile arrangement and forms an optical waveguide section.
  • the optical waveguide section bounding bends it may then come to a light exit from the optical waveguide.
  • a light emission is desired only on an outer side of the textile arrangement. This is the case, for example, when the textile arrangement is used as a car roof lining.
  • At least one further bending component crossing the optical waveguide may be provided in the region of an optical waveguide section formed between two bending elements which are spaced apart from one another and which bear against the optical waveguide on a same longitudinal side of the optical waveguide.
  • the further bending component preferably runs at least substantially parallel to the two spaced-apart bending components.
  • the three bending components lie on different sides of the optical waveguide against the optical waveguide.
  • the further bending component prevents in particular arcing of the optical waveguide in the region between the two spaced-apart bending components.
  • the further bending component presses the optical waveguide in the region between the spaced-apart bending components against the flat side of the textile arrangement or the textile fabric, thus preventing the formation of arcs. This allows a greater deflection of the optical waveguide at the two ends of a Lichtwellenleiterab- section.
  • the assembly comprises a plurality of flexure components.
  • a first group of bending components abut against the optical waveguide on a first side of the optical waveguide.
  • a second group of bending components may rest against the optical waveguide against the optical waveguide on a second side of the optical waveguide facing away from the first side of the optical waveguide.
  • all bending components intersect the optical fiber.
  • all the bending components are arranged in a direction transverse to the optical waveguide. It is now advantageous if the two aforementioned groups of bending components are arranged in spatially separate planes. The optical fiber runs between the planes. By arranging the bending components in different planes, a smaller bending radius of the optical waveguide is made possible at the turning points.
  • an additional structural component may be present.
  • a structural component a bending component can also be used.
  • the structural component in the textile arrangement runs in the longitudinal direction of the optical waveguide, that is to say in the direction in which the optical waveguide extends through the textile arrangement in its surface area. It is understood that structural component and optical waveguide due to deformations of the textile arrangement in use will regularly have no exactly parallel course. Decisive in this context is that the structural component and optical waveguide have the same main extension direction.
  • the structural component can be processed in a fabric as a weft or warp. It is particularly advantageous if the structural component is incorporated as a separating weft or at least in the manner of a separating weft in the textile fabric. In this case, the structural component can run in such a way adjacent to the optical waveguide, that the structural component at regular intervals - at least pointwise - rests on the optical waveguide. In this context, it is particularly advantageous if structural components are provided on both sides of the optical waveguide with a view toward the optical waveguide and these in particular rest against the optical waveguide on both sides-at least pointwise.
  • optical waveguide starting from a surface of the textile fabric on an outer side of the textile arrangement, enters the textile fabric through the intersection region and through the fabric the other side of the textile arrangement is guided.
  • the optical waveguide is then preferably in the crossing region against both structural components and both bending components.
  • Such an arrangement of optical waveguide, structural component (s) and bending component (s) can produce an advantageous stabilization of the structure formed by the aforementioned components in the textile arrangement.
  • a plurality of optical waveguide sections may be provided on at least one outer side of the textile arrangement according to the invention.
  • an optical waveguide section is, as described above, a region of the optical waveguide which is delimited by two bending components resting on a longitudinal side of the optical waveguide and running along the surface of the web on one side of the textile web. At the bending components of the optical waveguide is bent so that it comes to a light emission in each case.
  • the length of the optical waveguide sections preferably decreases with increasing distance from the light source, so that a uniform illumination of the textile fabric is possible.
  • a plurality of parallel optical waveguides is preferably provided.
  • optical waveguide sections of at least two optical waveguides running parallel to one another do not lie one behind the other transversely to the longitudinal direction of the optical waveguides but are arranged offset relative to one another.
  • optical waveguide sections of different optical waveguides can be arranged in a specific pattern, which is formed by optical waveguide sections arranged one or more times offset from one another.
  • An alternative and / or supplementary possibility to specifically influence the distribution of the amount of light emitted per unit area is to vary the radius of curvature of the individual turns in a targeted manner.
  • a smaller radius of curvature leads to a larger light flow emerging in the region of a bend.
  • this also serves to equalize the amount of light emitted per unit area over the total area.
  • the radius of curvature is made smaller the farther the respective bend of the optical waveguide is away from the light source.
  • the number of light-emitting curvatures or bends of the optical waveguide provided per unit area can also be varied.
  • a lighting system can be formed.
  • the optical waveguide is connected in a manner known from the prior art with a light source, so that at least part of the light emitted by the light source is coupled into the optical waveguide.
  • the use of an LED light source is advantageous. This is characterized by a long life and a high degree of robustness, furthermore it can be operated with low voltage. This is particularly advantageous when the light source is integrated into the arrangement.
  • a possible field of application for such a lighting system is the use as a luminous area, for example for an awning, a light-emitting wallpaper, a cover of the ceiling of car interiors (illuminated "car sky") or partitions.
  • Such an awning makes it possible, for example wise to illuminate the area covered by the awning - for example a terrace.
  • This allows a homogeneous illumination of the spanned surface and / or the targeted use of - for example, colored - achieve lighting effects.
  • Colored luminous effects can be easily realized, in particular, with the abovementioned LED luminous bodies. Such effects are particularly advantageous if the lighting effects a certain mood - for example, a party atmosphere at a terrace celebration - to be generated.
  • the use of an inventive arrangement in car interiors, especially as an illuminated car sky, is advantageous because a uniform deffuses light can be radiated to illuminate controls and fittings sufficient, a punctual or star-like lighting that could distract the driver, however can be avoided with a suitable design of the textile arrangement.
  • the invention further relates to a multi-layer structure having at least one luminous textile arrangement of the type described above as the first textile layer, preferably formed as a fabric layer, and with at least one further a plurality of textile fibers and / or textile threads having textile fabrics as further textile layer, preferably formed as a further fabric layer, the textile layers being connected to one another, in particular via at least one textile fiber and / or one textile thread.
  • the multilayer structure according to the invention can be used in particular for a luminous awning, a light-emitting wallpaper or a light-emitting partition wall, wherein at least one optical waveguide for light emission and at least one of the textile arrangement comprising a textile fabric comprising a plurality of textile fibers and / or textile threads a bending component for forming at least one light-emitting bend of the optical waveguide, a luminous surface is formed.
  • the multi-layer structure according to the invention can also be used for other applications when it comes to illuminate fabrics.
  • the textile layers are formed as fabric layers, wherein the textile layers can be connected by weaving technology. As a result, a simple and cost-effective production of the multilayer structure is possible.
  • the further textile layer preferably has only textile fibers and / or textile threads.
  • the further textile layer thus preferably fulfills a pure textile function and has no optical waveguide.
  • the first textile layer is intended for lighting.
  • the first Textile layer on the objects to be illuminated or to be illuminated surface to be aligned while the further textile layer forms an outer surface, which may have advantageous properties of conventional textile materials.
  • the further textile layer for example, by a low fading in sunlight and a certain water impermeability in the rain, as they usually have used for awnings textile materials, distinguished.
  • This can also be achieved by equipping the multilayer structure according to the invention with at least one subsequent coating.
  • the multi-layer structure is preferably structured in such a way that concerns faade systems and bending components as well as optical waveguides that the multilayer structure can be rolled up. This is usually required for awning materials, for example.
  • the multilayer structure according to the invention can be part of an illumination system, wherein optical fibers of the textile arrangement which forms a first textile layer of the multilayer structure are connected to a light source as described above, so that at least part of the light emitted by the light source can be used to ensure the lighting function of the multilayer structure is coupled into the optical waveguide of the textile arrangement.
  • a light source as described above, so that at least part of the light emitted by the light source can be used to ensure the lighting function of the multilayer structure is coupled into the optical waveguide of the textile arrangement.
  • LED light sources is advantageous.
  • a schematic representation of an exemplary textile arrangement according to the invention with a plurality of mutually offset optical waveguides a schematic representation of the beam paths of light in an optical waveguide, a schematic representation of exemplary bending of an optical waveguide to a plurality of bending components in an inventive arrangement, a schematic representation of exemplary bends of an optical waveguide around a plurality of flexure components, wherein another flexure component crosses the optical waveguide to prevent arcing
  • is a schematic representation of exemplary turns of an optical fiber around two sets of flexure components in an inventive arrangement wherein the flexure components of the two groups are different from each other by a structural component arranged separate planes a schematic representation of a light wave nleiters in an inventive arrangement, wherein the optical waveguide is tied off via a textile thread weaving
  • FIG. 1 shows a textile arrangement 1 with a textile fabric 2 having a multiplicity of textile fibers and / or textile threads 2 a.
  • the textile arrangement 1 has a plurality of optical waveguides 3, via which a light emission takes place.
  • the optical waveguide in an optical waveguide 3 is shown schematically.
  • a light source 4 which may be punctiform according to FIG. 2
  • light waves 5 propagate within the optical waveguide 3.
  • the light source 4 can also be arranged at a specific distance from the optical waveguide 3, as long as it is possible to couple in light waves 5 into the optical waveguide 3.
  • the optical waveguide 3 consists of a core 9 and a jacket 10, wherein the core 9 consists of an optically denser medium and the jacket 10 of an optically thinner medium and wherein between the core 9 and the shell 10, the interface 6 is formed , If the optical waveguide 3 is deflected strongly enough, then in the region of a deflection 1 1 light waves 7 impinge on the boundary surface 6 at an angle to the perpendicular, which is smaller than the critical angle for the total reflection, which results in at least a partial flow of the in the light waveguide 3
  • bending components 12 are now provided on which the optical waveguide 3 is bent in order to achieve at least on a part of the bends 1 1 a light exit via the lateral surface 8 of the optical waveguide 3.
  • the optical waveguide 3 is bent several times such that a light exit at a plurality of bends 11 is achieved. This will be discussed in detail below.
  • the optical waveguide 3 is, in particular, a polymeric optical fiber with a core 9 made of polymethyl methacrylate (PMMA) and a thin cladding 10.
  • PMMA polymethyl methacrylate
  • the cladding which is usually very thin, exists 10 of fluorinated PMMA, which has a lower refractive index.
  • the core diameter can be between 0.06 mm and 1 mm.
  • glass fibers can be used as light waveguide 3.
  • the textile fabric 2 of the textile arrangement 1 shown in FIG. 1 can be designed, in particular, as a fabric, which makes it possible to weave optical waveguides 3 and bending components 12 into the fabric or to weave them by weaving. By this setting a multiple bending of the optical waveguide 3 is achieved by the bending components 12.
  • optical fibers 3 and / or bending components 12 can be introduced in the warp and / or weft direction into the tissue during tissue production. It is then so that optical waveguide 3 and bending components 12 intersect in the textile arrangement 1 in a tissue-like manner. This is shown schematically in FIGS. 3 to 6.
  • the preferred method of processing the optical waveguides 3 and / or the bending components 12 as warp or weft threads depends inter alia on the preferred bending or rolling direction of the fabric or textile surface arrangement 2 and, as far as the optical waveguides 3 are concerned, of the type thereof contacting.
  • the comparatively stiff optical waveguides 3 can not or insufficiently bend on the textile fibers or threads 2a in order to achieve a desired lighting effect of the textile arrangement 1.
  • a textile thread 2a can not be used as a rule because it is relatively less rigid and can also be compressed.
  • An optical waveguide 3 will deform this relatively elliptically as an ellipse and is so stiff that the textile yarn 2a simply overlays the optical waveguide 3 without deforming it.
  • the flexural rigidity of the bending component 12 is greater than the bending stiffness of the fibers and / or filaments 2a of the textile 2.
  • a bending of the optical waveguide 3 to the bending components 12 is possible such that it comes at least at certain bends 1 1 of the optical waveguide 3 to a light exit.
  • Elastic monofilaments of polyethersulfone (PES) are preferably used as bending components 12.
  • FIGS. 3 to 6 show schematic possible bends 1 1 of an optical waveguide 3 at a plurality of bending components 12.
  • the optical waveguide 3 is in each case guided via the bending components 12 such that it has a required bending radius, depending on the diameter of the bending components 12 and the length of the binding r1 so that the fed light is radiated at least on the surface 13 (Fig. 1) of the textile fabric 2, but the optical waveguide 3 is not permanently damaged. It is not shown in FIGS. 3 to 6 that the optical waveguide 3 and the bending components 12 can be woven into a textile fabric 2.
  • the optical waveguide 3 is respectively bent between two bending components 12 immediately adjacent in the longitudinal direction X of the optical waveguide 3, which bending elements are arranged on different longitudinal sides 17, 18 of the optical waveguide 3.
  • the optical waveguide 3 crosses both bending components 12 and is guided by the two immediately adjacent bending components 12 from one outer side 15 of the textile arrangement 1 to the other side of the textile arrangement 1.
  • the optical waveguide 3 changes the direction of curvature in the region between two turns 11.
  • the course of the central longitudinal axis of the optical waveguide 3 in the region between two bends 1 1 is shown schematically in FIG. 3 by the line 14.
  • the optical waveguide 3 extends in sections on the first outer side 15 of the textile arrangement 1, for example according to FIG. 3, on the upper side, and in sections on the opposite second outer side 16 of the textile arrangement 1.
  • the optical waveguide 3 extends in sections within the textile fabric 2.
  • two bending components 12 are arranged, which bear against the optical waveguide 3 on the second outer side 16 facing longitudinal side 17 of the optical waveguide 3 (according to FIG. 3 from below).
  • the optical waveguide 3 In the area between these two bending components 12, which lie against the optical waveguide 3 from below, the optical waveguide 3 is guided on the surface 13 of the planar structure 2 and forms an optical waveguide section 19.
  • a partial light emission can also occur in the remaining region of the optical waveguide section 19 as a function of the course of the optical waveguide 3 in this region.
  • further bending components 12 are provided on the first longitudinal side 17 opposite the second longitudinal side 18, that is, as shown in FIG. 3 from above, against the optical waveguide 3 present.
  • the optical waveguide 3 is bent as a result at each between two in the longitudinal direction X of the optical waveguide 3 immediately adjacent bending components 12 which abut on different longitudinal sides 17, 18 against the optical waveguide 3, that is, for example, top side and bottom side with respect to the fabric 2.
  • Hier the optical waveguide 3 crosses these immediately adjacent bending components 12.
  • the optical waveguide 3 is again guided in sections over the surface of the textile fabric 2 along sections.
  • two bending components 12 are provided at a distance D2 which abut against the first outer side 15 of the textile arrangement 1 facing the second longitudinal side 18 of the optical waveguide 3 (according to FIG. 3 from above) and the optical waveguide 3 for bending in the direction of the first outer side 15th or prepare in accordance with FIG. 3 upwards.
  • the optical waveguide 3 forms a lower optical waveguide section 20.
  • the bend takes place on both sides upward on only one bending component 12, as a rule, the length of the upper optical waveguide section 19 through which the optical waveguide 3 at the Surface 13 of the textile fabric 2 is performed, is significantly larger than that Optical waveguide section 20, via which the optical waveguide 3 is guided on the underside of the textile fabric 2.
  • the optical waveguide 3 is visible on the surface 13 of the textile fabric 2.
  • the diameter of the bending components 12 and the distances D1 and D2 are to be optimized so that a maximum emission of light takes place on the surface 13, without permanently damaging the optical waveguides 3.
  • at least one further bending component 21 crossing the optical waveguide 3 can be provided, the two bending components 12 and the further bending component 21 rest against the optical waveguide 3 on different longitudinal sides 17, 18 of the optical waveguide 3.
  • a further bending component 21 abuts against the optical waveguide section 19 on the second longitudinal side 18 of the optical waveguide 3 from above in order to form a circular arc of the optical waveguide 3 in the optical waveguide section 19 between the two adjacent longitudinal sides 17 of FIG to prevent bending components 12 applied below.
  • a plurality of bending components 12 according to FIG. 5 can be arranged in two or more planes E1, E2 separated from each other in a direction transverse to the longitudinal direction X of the optical waveguide 3 be. According to FIG.
  • At least one structural component 22 extending in the longitudinal direction X of the optical waveguide 3 can be provided between the bending components 12 arranged in different planes E1, E2.
  • the structural component 22 is preferably a further bending component 12 can act.
  • the structural component 22 may again be an elastic monofilament, in particular polyethersulfone.
  • the structural component 22 may also be a similarly stiff thread.
  • the structural component 22 is introduced or woven in as an additional separation thread with a high thread tension. It is understood that in the textile arrangement 1 in the warp direction or in the weft direction, a plurality of structural components 22 may be provided in order to achieve a desired stronger bending of the optical waveguide 3.
  • the structural component 22 extends substantially parallel to the optical waveguide 3. Further preferably, structural components 22 can be provided on the textile arrangement 1 according to FIG. 1 on both sides or on both transverse sides of the optical waveguide 3 and transversely to the bending components 12 two levels E1, E2 of the bending components 12 to be separated from each other. The optical waveguide 3 can then be guided through the textile fabric 2 between intersecting structural components 22 and bending components 12.
  • the optical waveguide 3 is bound or bent on its exit from the textile fabric 2 merely via a bending component 12 in order to achieve a light output in the region of a bend 1 1 formed on the bending component 12.
  • the binding is shown schematically over two bending components 12 at the exit of the optical waveguide 3 from the fabric 2, wherein a sufficient light output for a deflection 1 1 of the optical waveguide 3 is achieved.
  • the optical waveguide 3 then re-enters the textile fabric 2, for example via a textile thread 2a.
  • the textile arrangement 1 is a light emission substantially on the first outer side 15, as shown in FIG. 6 of the top, the textile arrangement 1 reached.
  • the setting via two bending components 12 in each case and the entry via a textile thread 5 into the fabric after a certain distance of the optical waveguide 3 on the surface of the textile fabric 2 is in particular for large areas of light in which the light is possible to the end of the optical waveguide 3 should be directed, see.
  • a binding over a textile thread 2a can also take place if only one bending component 12 is provided.
  • a binding over a textile thread 2a can also take place if only one bending component 12 is provided, on which the optical waveguide 3 is bent on exiting the textile fabric 2.
  • a plurality of each formed between two bends 1 1 optical waveguide sections 19 may be provided on a same outer side 15 of the textile assembly 1, according to FIG. 1, the length of the optical waveguide sections 19 with increasing Distance from the light source 4 decreases and wherein optical waveguide sections 19 are arranged offset in a direction transverse to the longitudinal direction X of the optical waveguide 3 to each other. Accordingly, the distance from adjacent light emitting bends 1 1 in the direction away from the light source 4 can decrease. Alternatively or additionally, the radius of curvature of the bends 1 1 with increasing distance from the light source 4 decrease in order to achieve a higher light emission at the farther from the light source 4 bends 1 1.
  • bends 1 1 can be provided over the surface 13 of the fabric 2 offset from each other so that the radiation points of the optical waveguide 3 are not all in a row, but are regularly distributed over the surface. Since the luminous flux in the optical waveguide 3 decreases due to the desired light emission at the bends 1 1 with increasing length of the optical waveguide 3, bends 1 1 can be provided in the vicinity of the light source 4 or bonds can be made, the comparatively less light leak sen, and It can be provided with increasing distance from the light source 4 more bends 1 1 or bonds per unit area to generate sufficient light emission. The distance of the light-emitting bends 1 1 from each other and / or the radius of curvature of the bends 1 1 can thus be provided such that the most uniform possible light distribution is obtained.
  • FIG. 1 shows three binding regions 23, 24, 25, each having the same length of optical waveguide sections 19.
  • Each optical waveguide section 19 is formed between two bindings or bends 11.
  • the binding points or the bends 1 1 are arranged in the longitudinal direction X of the optical waveguide 3 and also offset transversely thereto, wherein a multiple offset can be used to ensure a uniform light distribution.
  • FIG. 7 shows a multilayer structure 26 with a first textile layer 27 and with a second textile layer 28.
  • the first textile layer 27 has a textile fabric formed by a plurality of textile fibers and / or textile threads (2a) with at least one optical waveguide 3 for emitting light and a plurality of bending components 12 for forming light-emitting bend 11 of the optical waveguide 3.
  • the second textile layer 28 likewise has a textile fabric formed by a multiplicity of textile fibers and / or textile threads 2a.
  • the illustrated multilayer structure 26 can be used, for example, in a luminous awning.
  • the two textile layers 27, 28 may be formed as fabric layers, wherein FIG. 7 shows the basic structure of the multi-layer structure 26 at a section in the weft direction.
  • the first textile layer 27 represents a lower fabric, which fulfills a luminous function of the multilayer structure 26.
  • the second textile layer 28 forms an upper fabric, which may be, for example, a known awning fabric, with various patterns and colors.
  • the upper fabric forms a plane of the awning, while the lower fabric forms a luminous plane of the multilayer structure 26.
  • the two planes are connected by at least one binding weft thread 29, which joins the two textile layers 27, 28 at preferably regular intervals. This is shown only schematically in FIG.
  • the second textile layer 28, which forms the upper fabric may advantageously be produced in warp and weft, for example, from conventional spun-fiber-dyed acrylic, which is often used for awning fabric due to its advantageous properties.
  • other textile materials can also be used as the upper fabric.
  • the first textile layer 27, which forms the lower fabric of the multi-layer structure 26 shown in FIG. 7 and performs the function of light emission, can have two weft systems which alternate in the repeat; namely on the one hand a binding weft 29, the warp threads 2a of the lower fabric in a textile binding (usually canvas) together and at the same time still connects to the upper fabric to warp threads 30 of the upper textile layer 28 and the two levels together.
  • the binding weft yarn 29 is again preferably made of acrylic.
  • the optical waveguide 3 is introduced as a weft thread in order to achieve a controlled light emission, at least on the lower side of the multilayer structure 26 shown in FIG. 7.
  • the optical waveguide 3 is deflected as a weft thread in the chain guided bending components 12, which may be monofilaments of polyethersulfone (PES), in order to bend it specifically for a light emission.
  • further flexure components 31 may be provided adjacent the flexure components 12 that may be routed in the chain to better deflect or deflect the optical fiber weft.
  • the further bending components 31 may in turn be monofilaments, in particular polyethersulfone (PES).
  • PES polyethersulfone
  • the multilayer structure 26 shown can also be present in an inverted manner, wherein the bending components 12, 31 are supplied as weft threads and the optical waveguide 3 is supplied as a warp thread.
  • the upper fabric is a conventional textile fabric, for example an awning fabric, with desired textile properties and that the light function is fulfilled only by the underlying fabric part.
  • the usually required awning properties such as a slight fading in the case of solar radiation and a certain water impermeability in the event of rain, can be guaranteed by the upper fabric.
  • the thread systems and bending components 12, 31 and the optical waveguide system can be dimensioned and structured in such a way that the multilayer structure 26 can be rolled up in a simple manner in addition to good functionality, without leading to breakage of structural components of the multilayer structure 26, in particular of the optical waveguide 3 , comes.
  • This is particularly advantageous when the multilayer structure 26 is used as sheet material for a luminous awning.
  • FIG. 8 schematically shows an illumination system 32 for a textile arrangement 1 described above, comprising a textile fabric 2 comprising a multiplicity of textile fibers and / or textile threads 2a, at least one light waveguide 3 for emitting light and at least one bending component 12 for forming at least one light-emitting turn 1 1 of the optical waveguide. 3 and / or for a multilayer structure 26 described above with at least one such textile arrangement 1.
  • the illumination system 32 has a plurality of light sources 4, wherein the light sources 4 are LED light sources and wherein in each case 4 LED light sources are connected in blocks.
  • Each LED block 33 has an associated power supply unit 34, which is supplied via a common power supply unit 35 with 24 V DC.
  • the central power supply unit 35 receives either 230 V AC from a power grid 36 or from a power storage 37, which is powered by a charge controller 38 from a solar module 39.
  • the central power supply unit 35 is preferably a power supply unit.
  • a controller 40 may be provided to turn any or all of the LED blocks 33 on or off as needed.
  • the control device 40 can also be provided for color and / or brightness control.
  • the illumination system 32 shown in FIG. 8 can be provided in particular for a light-emitting awning which has the multilayer structure 26 shown in FIG. 7 as a planar material.
  • a light-emitting awning which has the multilayer structure 26 shown in FIG. 7 as a planar material.
  • thin-film solar cells enable the attachment of a solar module directly on the surface material of the illuminated awning.
  • a preferred combination of the illumination system 32 with a textile arrangement 1 and / or a multi-layer structure 26 can provide that in each case eight optical waveguides 3 are bundled in a sleeve with, for example, 1.5 mm inner diameter. Due to the mechanical structure, this can result in an optical opening angle of about 24 °.
  • Each fiber optic bundle is then irradiated with an LED light source to couple light.
  • Osram LEDs from the Oslon SSL series can be used, which can implement a power loss of approx. 1 W at the selected operating point. When operating at maximum power, the power loss may increase to approximately 2.4W.
  • a maximum power consumption of the illumination system 32 of FIG about 10 to 30 W / m, in particular about 20 W / m, based to the width of the textile arrangement 1 and / or the multi-layer structure 26. It is understood that the above information is to be understood by way of example, but relate to a particularly preferred embodiment, in particular when using the illumination system 32 with a multi-layer structure 26 for a luminous awning.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Woven Fabrics (AREA)

Abstract

L'invention concerne un système textile présentant une structure textile plane comportant une pluralité de fibres textiles et/ou de fils textiles, ladite structure textile plane présentant au moins un guide optique pour émettre un rayonnement lumineux et au moins un composant de cintrage pour réaliser au moins un cintrage électroluminescent du guide d'onde.
PCT/EP2014/052219 2013-12-20 2014-02-05 Système textile WO2015090625A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP2013003889 2013-12-20
EPPCT/EP2013/003889 2013-12-20

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Publication Number Publication Date
WO2015090625A1 true WO2015090625A1 (fr) 2015-06-25

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PCT/EP2014/052219 WO2015090625A1 (fr) 2013-12-20 2014-02-05 Système textile

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WO (1) WO2015090625A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020225171A1 (fr) * 2019-05-07 2020-11-12 Signify Holding B.V. Dispositif d'éclairage vers le bas à émission de lumière homogène à l'aide de guides de lumière imprimés fdm
DE102020002716A1 (de) 2020-05-06 2021-11-11 Dmitry Ilin Die Licht erzeugende dünne Wandbekleidung, insbesondere Tapete, mit verschiedenen optischen Effekten wie Ornament und Dekor sowie Farbverläufe und Helligkeitsabstufungen
CN113957591A (zh) * 2021-09-23 2022-01-21 佛山市南海区源志诚织造有限公司 一种可随音乐律动发生色彩变化的光纤织物制造方法

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE10012614A1 (de) * 2000-03-15 2001-09-27 Maass Ruth Leuchtfahne und Fahnenanordnung
DE10110329A1 (de) * 2001-03-03 2002-09-12 Bayerische Motoren Werke Ag Textilien
US20040037091A1 (en) * 2002-08-23 2004-02-26 The Boeing Company Fiber optic fabric
FR2859736A1 (fr) * 2003-09-11 2005-03-18 Cedric Brochier Soieries Procede de fabrication d'un tissu jacquard lumineux comportant des fibres optiques
FR2970714A1 (fr) * 2011-01-21 2012-07-27 Clarins Lab Tissu lumineux, dispositif d'illumination de la peau, kit et procede de mise en oeuvre

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10012614A1 (de) * 2000-03-15 2001-09-27 Maass Ruth Leuchtfahne und Fahnenanordnung
DE10110329A1 (de) * 2001-03-03 2002-09-12 Bayerische Motoren Werke Ag Textilien
US20040037091A1 (en) * 2002-08-23 2004-02-26 The Boeing Company Fiber optic fabric
FR2859736A1 (fr) * 2003-09-11 2005-03-18 Cedric Brochier Soieries Procede de fabrication d'un tissu jacquard lumineux comportant des fibres optiques
FR2970714A1 (fr) * 2011-01-21 2012-07-27 Clarins Lab Tissu lumineux, dispositif d'illumination de la peau, kit et procede de mise en oeuvre

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020225171A1 (fr) * 2019-05-07 2020-11-12 Signify Holding B.V. Dispositif d'éclairage vers le bas à émission de lumière homogène à l'aide de guides de lumière imprimés fdm
DE102020002716A1 (de) 2020-05-06 2021-11-11 Dmitry Ilin Die Licht erzeugende dünne Wandbekleidung, insbesondere Tapete, mit verschiedenen optischen Effekten wie Ornament und Dekor sowie Farbverläufe und Helligkeitsabstufungen
CN113957591A (zh) * 2021-09-23 2022-01-21 佛山市南海区源志诚织造有限公司 一种可随音乐律动发生色彩变化的光纤织物制造方法

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