EP4165688A2 - Anordnung zum umwandeln von licht in elektrische energie - Google Patents
Anordnung zum umwandeln von licht in elektrische energieInfo
- Publication number
- EP4165688A2 EP4165688A2 EP21731413.7A EP21731413A EP4165688A2 EP 4165688 A2 EP4165688 A2 EP 4165688A2 EP 21731413 A EP21731413 A EP 21731413A EP 4165688 A2 EP4165688 A2 EP 4165688A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- switching element
- main direction
- guide element
- light guide
- 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.)
- Ceased
Links
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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0102—Constructional details, not otherwise provided for in this subclass
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/40—Optical elements or arrangements
- H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
- H10F77/488—Reflecting light-concentrating means, e.g. parabolic mirrors or concentrators using total internal reflection
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/48—Variable attenuator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Definitions
- the invention relates to an arrangement for converting light into electrical energy and a method for converting light into electrical energy.
- the document DE 203 20 919 U1 describes a cover with a glass pane and electrical functional elements.
- a solar roof for a motor vehicle is described in the document DE 10 2010 003 745 A1.
- An energy self-sufficient dimmable window is from the publication US
- the arrangement according to the invention is designed for converting light from a light source into electrical energy and has a plurality of flat elements and at least one photovoltaic cell, for example a solar cell, the flat elements of the arrangement being layered on top of one another and Form a layered body which is delimited and / or enclosed by an entry surface as an interface, for example an entry side, by an exit surface as an interface, for example an exit side, and by at least one outer surface as an interface, for example an outside.
- a main direction is defined, definable and / or to be defined, which is oriented, orientable and / or can be oriented from the entry surface to the exit surface.
- the laminated body has at least one light-guiding element, usually a light-guiding element, and at least one first light-switching element, usually a first light-switching element, as elements, the at least one light-guiding element being arranged in the main direction in front of the at least one first light-switching element, or where the at least one first light switching element is arranged in the main direction behind the at least one light guide element.
- the at least one photovoltaic cell or a photovoltaic module of the arrangement is arranged on at least one interface.
- the at least one first light switching element is either translucent in the main direction or light-inhibiting against the main direction, for example light-reflecting adjustable or adjustable and / or switchable or switchable, for example a light-permeable or light-inhibiting, e.g. light-reflecting adjustable and / or switchable surface of the at least one first light switching element faces the at least one light guide element.
- the at least one first light switching element in a case when the at least one first light switching element is set to be transparent, for example switched, the at least one first light switching element is designed to transmit light in the main direction, and in a case when the at least one first light switching element is light-inhibiting, for example.
- the at least one first light switching element designed to couple light to the at least one light guide element or into the at least one light guide element, for example to reflect it, ie to reflect light back into the at least one light guide element counter to the main direction.
- the at least one light guide element is designed in this case to light that is coupled into the at least one light guide element by the at least one first light switching element or is or has been reflected counter to the main direction in a secondary direction that is perpendicular to the Main direction is oriented, to lead to the at least one photovoltaic cell at the at least one interface, for example outer surface.
- the at least one photovoltaic cell is designed to convert received light into electrical energy.
- the entry surface for example the entry side, and the exit surface, for example the exit side, can be arranged parallel to one another in an optional configuration.
- the at least one photovoltaic cell is, for example, on or on the at least one interface formed as an outer surface, i.e. laterally, depending on the definition, on or on the interface formed as an entry surface, i.e. depending on the definition above, and / or on or on the as Exit surface formed interface, so depending on the definition below, arranged.
- the at least one first light switching element which in the main direction behind or depending on the definition z. B. is arranged under the light guide element or light guide, or a corresponding adjustable, e.g.
- switchable layer can, depending on the application, not only serve to couple light back into the light guide element, usually against the main direction, but also possibly just to block light and thus largely to prevent it from passing through the layered body, which z. B. is possible by absorption and / or reflection of the light.
- This is e.g. B. advantageous if an application in a roof of a vehicle is provided for the arrangement.
- the entry surface faces the surroundings of the vehicle, into which the light, for example from the sun, enters the arrangement from the surroundings. Since a large part of solar radiation is not coupled into the light guide element, it passes through the light guide element and thus through the arrangement designed or designated as a panorama roof, for example, and thus also through the exit surface and into an interior of the vehicle.
- the arrangement provides for darkening, ie a reduction in the light or radiation and desirable.
- This can e.g. B. be implemented with an electrochromic layer, an LC layer or Lucent connector layer or optical waveguide layer or liquid crystal display layer as a possible light switching element.
- Such a light switching element can be actively switched or switched, for example actively controlled, a current being provided to the active light switching element.
- a user for example an occupant of the vehicle, can set and / or switch the at least one light switching element to be translucent or light-blocking, as desired and / or as required.
- the at least one light switching element can be darkened in the case of controlled activation, for example, with light being blocked.
- a dark for example black-looking LC layer absorbs a large part of the light here.
- a functional requirement namely a darkening and / or reduction of light exposure and / or radiation exposure, is thus given and thus fulfilled, regardless of a possible reflection and / or coupling of light into the light guide element or into the light guide.
- the at least one light switching element or a corresponding layer can be passive, for example thermochromic and / or photochromic.
- the at least one light switching element can set itself automatically or by itself in a light-inhibiting or translucent manner, for example switching and thus darkening if necessary.
- the at least one light switching element is either translucent or light-inhibiting depending on a temperature or an intensity and / or frequency of the light. It can become light-inhibiting at a high temperature and translucent at a low temperature. Alternatively or in addition, it can be light-inhibiting when the light intensity is high and translucent when the light intensity is low.
- this light switching element as an additional layer in the main direction behind the light guide element, two different functions can be implemented depending on the design, namely a reduction in the light passing through or corresponding radiation and an additional coupling of the light into the light guide element.
- the light switching element has a reflective effect to darken the interior and at the same time increases coupling of the Light in the light guide element.
- several light switching elements or corresponding adjustable and / or switchable layers can be used to fulfill the intended functions.
- a first light switching element reflects light back against the main direction and a further second light switching element arranged underneath or in the main direction behind it can additionally block and / or absorb light.
- a scattering and / or filtering property of a light switching element can also be provided, wherein a corresponding light switching element is designed to distribute light diffusely, with z. B. in the interior of the vehicle less hard, for example. High-frequency and / or very intense light and causes a shadow, but a more diffuse light distribution takes place. This can be pleasant for the occupant of the vehicle and also offer privacy, since there is no longer a clear view into the interior from the outside.
- the at least one light guide element and the at least one first light switching element are arranged directly next to one another and / or adjacent in the main direction, the at least one first light switching element, in particular the usually switchable, ie translucent or light-inhibiting, for example light-reflecting adjustable surface of the at least one light switching element that touches at least one light guide element.
- the arrangement can have at least one second light switching element, usually a second light switching element, as at least one further element, which is arranged in the main direction in front of the at least one light-guiding element, the at least one light-guiding element in the main direction between the at least one second light-switching element and the at least one first light switching element is arranged.
- the at least one second light switching element is translucent in the main direction and opposite to the main direction either translucent or light-inhibiting, e.g. light-reflecting, light-scattering, light-filtering and / or light-absorbing adjustable, e.g. switchable, with the at least one second Light switching element is designed to transmit light from the light source in the main direction and to couple it against the main direction to the light guide element or into the light guide element, for example to reflect or mirror it, if the at least one second light switch element is set to be light-inhibiting, for example switched .
- translucent or light-inhibiting e.g. light-reflecting, light-scattering, light-filtering and / or light-absorbing adjustable, e.g. switchable
- the at least one second light switching element can be set to be permanently translucent in the main direction and to be permanently light-inhibiting, for example light-reflecting, counter to the main direction.
- the at least one second light switching element and the at least one light guide element are arranged directly next to one another and / or adjacent in the main direction, with a translucent or light reflecting adjustable, for example switchable surface of the at least one second light switch element touching the at least one light guide element, with the at least one Light guide element in the main direction can be arranged directly between the at least one second light switching element and the at least one first light switching element.
- the at least one light guide element is assigned at least one coupling element for light, at least the first light switching element as at least one first coupling element for the at least one light guide element and possibly also the at least one second light guide element as at least one second coupling element for the at least one Light-guiding element designed and / or to be designated as well as for coupling light into which at least one light-guiding element is designed.
- At least one decoupling element for light can be assigned to the at least one light guide element, the at least one output element at the at least one boundary surface, for example outer surface, entry surface and / or exit surface, between the at least one light guide element and the at least one
- the arrangement presented can be designed as a window pane for closing an opening in a shell, for example a wall, the shell and the arrangement arranged in the opening separating an interior space from the surroundings, the entry surface, for example the entry side, through which the light passes enters, the environment in which a light source, for example the sun, is located, and the exit surface, for example the exit side, is assigned, assignable and / or assignable to the interior, the light source being or is in the area.
- the arrangement for example a window pane and / or the at least one light guide element, can be used for a roof of a vehicle that separates the interior from the surroundings.
- the at least one photovoltaic cell is arranged on the side of the laminated body and thus hidden on the side of the at least one light guide element in the roof of the vehicle.
- the interior space is arranged below the roof with the arrangement integrated therein. If the at least one light switching element is set to be translucent, for example switched, light from the environment that enters the entry surface passes through the layered body and the at least one light switch element and thus also the exit surface of the arrangement and is transmitted into the interior.
- the at least one light switching element is alternatively set to be light-inhibiting and light-reflecting, light from the environment that otherwise exits through the exit surface is coupled into the at least one light guide element counter to the main direction, is usually reflected and from there to the at least one Photovoltaic cell coupled into the lateral outer surface and converted into electrical energy.
- the arrangement can be provided and / or designed for a vehicle, for example a motor vehicle or car, and can be used, for example, as a window pane for the vehicle, the arrangement or a corresponding window pane can be arranged in a roof of the vehicle.
- the at least one photovoltaic cell is designed and / or designated as a solar cell and is designed to convert light from the sun as a light source into electrical energy, wherein the at least one photovoltaic cell can be adapted to a frequency spectrum of the sun.
- the layered body of the arrangement can, for example, be either cuboid or cylindrical. If the layer body is cuboid, it is delimited in each case by a rectangular entry area and exit area as well as by four rectangular outer areas or side areas, for example outer sides. Both the entry area and the exit area each have a length and a width, depending on the definition. Accordingly, each of the outer surfaces has a height. It is provided here that both the width and the length of the entry and exit surfaces are many times greater than the height of an outer surface in each case. If the layer body is cylindrical, it is delimited by an entry surface and an exit surface, both of which are circular disk-shaped and have a radius.
- the layered body is further limited only by an outer surface, for example the outer side, which is designed in the shape of a cylinder jacket and has a height that is substantially smaller or smaller than the radius of the entry face or exit face.
- the laminate it is also possible for the laminate to have an n-angled entry and exit surface, wherein the entry and exit face can be n-angled, for example triangular, square or polygonal, and in addition to the entry and exit areas as interfaces, correspondingly n lateral outer surfaces may have.
- the method according to the invention is provided for converting light into electrical energy with an arrangement for converting light into electrical energy, for example with an embodiment of the embodiment of the arrangement presented above, which has a plurality of flat elements and at least one photovoltaic cell, for example solar cell, wherein the flat elements are layered on top of one another and form a layered body which is delimited by an entry surface as an interface and an exit surface as an interface, both of which are flat and, for example, parallel to one another, and at least one outer or side surface as an interface and / or is enclosed.
- a main direction is or is defined which is or is oriented from the entry surface as the interface to the exit surface as the interface.
- the laminated body has at least one light guide element, usually a light guide element, and at least one first light switch element, usually a first light switch element, as elements, wherein the at least one light guide element is or is arranged in the main direction in front of the at least one first light switch element, or wherein the at least one first light switching element is or is arranged behind the at least one light guide element in the main direction, wherein the at least one photovoltaic cell is or is usually arranged on the at least one interface, for example outer surface.
- the at least one photovoltaic cell can be arranged as an interface on the entry surface and / or exit surface.
- the at least one first light switching element is or is either translucent in the main direction or set and / or switched against the main direction in a light-inhibiting manner, with a usually switchable, ie translucent or light-inhibiting, for example light-reflecting adjustable surface of the at least one first light switching element facing the at least one light guide element is or is.
- a usually switchable, ie translucent or light-inhibiting, for example light-reflecting adjustable surface of the at least one first light switching element facing the at least one light guide element is or is.
- the at least one first light switching element is set and / or switched to be light-inhibiting, for example light-reflecting, light is reflected by the at least one first light switching element, in which case light from the at least one first light switching element is counteracted the main direction is coupled into the at least one light switching element, for example. Is or has been reflected by the at least one light guide element in a secondary direction that is perpendicular to the main direction is oriented, to which at least one photovoltaic cell is guided at the at least one interface, for example outer surface, wherein light that is received by the at least one photovoltaic cell is converted into electrical energy.
- the at least one first light switching element is set to be transparent, for example switched when light from the light source is to shine through the exit surface.
- the at least one first light switching element is set to be light-inhibiting, for example light-reflecting, for example switched when light from the light source is to be darkened. It is possible here for a degree of transmission and a degree of reflection of the at least one first light switching element to be set and / or selected quantitatively. It is conceivable that the degree of transmission of the at least one first light switching element is set to be greater than its degree of reflection when it is set to be transparent.
- the at least one first light switching element is set to be light-inhibiting, for example light-reflecting, its degree of reflection is or is set to be greater than its degree of transmission. Furthermore, a degree of absorption of the at least one first light switching element can also be taken into account.
- the at least one light switching element can have a low degree of absorption if it is set to be transparent. Or have a high degree of absorption if it is set to be light-inhibiting, for example light-reflecting.
- the at least one light switching element is not purely translucent, i.e. not 100% translucent or purely light-blocking, i.e.
- Proportion can relate to a proportion of the spectrum or the wavelengths of the incident light, for example. This means that at the same time the at least one light guide element is set to be transparent or transmissive to a proportion of x%, reflecting to a proportion of y%, scattering light to a proportion of z% and absorbing light to a proportion of w%, whereby w, x, y, z are each greater than or equal to zero.
- the at least one light switching element is set to "translucent”, it is or is set predominantly or to a large or large proportion to be translucent, with a greater proportion being translucent instead of light-blocking. If, on the other hand, the at least one light switching element is or is set to be "light-inhibiting”, it is predominantly or to a greater or greater extent light-inhibiting, for example light-reflecting, instead of translucent.
- the at least one light guide element can be set to be or can be set to be translucent in steps or steplessly between 0% and 100%, depending on the definition, and accordingly steplessly between 100% and 0% light-inhibiting.
- the at least one first light switching element is set to reflect light, for example switched or switched, a first proportion of light of the light source from the at least one first light switching element in the direction of the at least one light guide element is reflected and a second portion of the light from the light source is transmitted, the first reflected portion of the light being greater than the second transmitted portion of the light.
- the at least one first light switching element is set to be transparent, for example switched, the first portion of the light from the light source that is reflected by the at least one first light switching element counter to the main direction is less than the second portion of the light from the light source that is transmitted by the at least one first light switching element.
- the arrangement presented can be designed or referred to as a transparent pane with at least one photovoltaic cell, depending on the definition, the pane with the at least one first light switching element having a layer that is translucent or light-inhibiting, for example light-reflecting, adjustable and / or switchable as required. It is possible that the at least one light guide element and the at least one first and optionally the at least one second light guide element can be designed to be flexible and thus deformable.
- the at least one first light switching element as an adjustable, for example switchable, layer can furthermore be set and / or switched to be either absorbing, filtering and / or transmitting or reflecting. If the at least one first light switching element is set to be absorbent or reflective, this enables light from the light source to be switched off. If the at least one first light switching element is set to be reflective and acts, an additional coupling of light into the at least one light guide element or into a corresponding light guide is possible.
- the arrangement can have one or more photovoltaic cells at the at least one interface, i. H. have on the outer surface or side surface and possibly also on the entry face or exit face.
- a coupling element or a plurality of coupling elements and thus the at least one light switching element can be assigned as at least one coupling element to the at least one light guide element or at least one light guide.
- the at least one coupling element can, for example, have a refractive or light-refracting or a diffractive or light-scattering surface structure, d. H. be designed as a diffractive optical coupling element (DOE) or light switching element, for example as a holographic optical element (HOE), for example as a volume hologram.
- DOE diffractive optical coupling element
- HOE holographic optical element
- Such a diffractive, for example holographic optical element can be n-angular or round.
- one decoupling element or several decoupling elements can be assigned to the light guide. At least one such decoupling element can have a refractive or diffractive surface structure. It is also possible that the at least one decoupling element is designed as a diffractive optical element, for example as a holographic optical element, for example as a volume hologram.
- the at least one light switching element or the at least one light guide can be designed in one or more layers, wherein the layered body of the arrangement has a light guide element or a plurality of light guide elements, the at least one light switch element, ie at least the at least one first light switch element and possibly at least one second light switch element being embedded in the layer body.
- the at least one first light switching element and possibly also the at least one second light switching element can be embedded within the layered body between two directly adjacent light guide elements.
- the at least one light switching element or coupling element for light can be switchable or adjusted, for example switched, to be absorbent, filtering and / or reflective or scattering and / or transmitting. It is possible that a respective switching and / or setting of the at least one light switching element or coupling element for light can be segmented, set with pixel accuracy or selectively, for example switched.
- the at least one light switching element can be, for example, electrochromic, photochromic or thermochromic and / or designed or designated as a liquid crystal display (LCD or Liquid Crystal Display) or as tintable glass (PDLC glass for Liquid Crystal or Polymer Dispersed Liquid Crystal) .
- the at least one light switching element or coupling element for light can, however, also be set static or fixed or unchangeable and have at least one of the optical properties mentioned and accordingly be proportionately absorbing, filtering, reflecting, scattering and / or transmitting or translucent and accordingly predominantly or proportionally fixed or permanent, in particular predominantly absorbent, filtering, reflective, scattering or transmissive or translucent.
- the at least one light switching element for certain wavelengths of light is transparent or translucent, or reflective or specular and / or absorbent.
- the arrangement presented can, for example, be installed in the roof as a shell or wall of the vehicle. If the at least one first light switching element is set to be transmitting, it is possible that light or radiation from the sun as a light source that is transmitted through the arrangement is so intense that occupants in the interior of the vehicle see the light as too Feel bright and / or that the interior can become very hot as a result.
- the at least one first light switching element is set as reflective, whereby light that is coupled into the at least one light guide element by the at least one first light switching element is directed onto the at least one photovoltaic cell and thereby into electrical Energy is converted.
- the arrangement can have a plurality of first light switching elements which are arranged in the main direction behind the at least one light guide element. In this case, for example, only one of these light switching elements can be set to be variably translucent or light-blocking, for example switchable, whereas a further light switching element is set to be fixed or permanently light-blocking or translucent.
- Such a light switching element or coupling element can be designed as a holographic optical element.
- a fixed light switching element and a variable either translucent or light-blocking adjustable and / or switchable light switching element results in a simple implementation of the arrangement presented, whereby a coupling of light through the fixed light switching element is independent of a function of the still variable and / or dynamically adjustable , for example.
- Switchable light switching element regardless of whether it is now set to be translucent or light-blocking, for example switched, so that coupling of light into the at least one light guide element and generation of electrical current are not influenced.
- the arrangement can simultaneously darken and supply the at least one photovoltaic cell with light.
- the At least one photovoltaic cell is arranged on the at least one interface, for example the outer surface, and thus usually on the edge of the arrangement and is thus protected.
- the at least one first light switching element it is also possible to couple infrared light or ultraviolet light from the sound source into the at least one light guide element.
- the layered body of the arrangement can be delimited by a frame or an edge, with the at least one photovoltaic cell being installed in a hidden manner in the frame and thus being able to be protected.
- the arrangement With the arrangement, it is thus possible to darken the light source, whereby a pleasant visual effect can be brought about. In addition, this avoids unnecessary heating of the interior of the vehicle. Furthermore, a scattering of light from the light source is also possible, it being possible to produce a visually pleasant, shadow-free natural lighting of the interior of the vehicle. In addition, the arrangement enables occupants of the vehicle to be prevented from being dazzled. Furthermore, the privacy of occupants can also be guaranteed by the arrangement. If the at least one first light switch element is set to be scattering or reflective, additional coupling of light or radiation into the at least one light guide element is possible, which otherwise penetrates it unhindered if the at least one first light switch element is designed to be transmitting. Thus, the efficiency of an illumination or irradiation of the at least one photovoltaic cell can be increased.
- FIG. 1 shows a schematic representation of an embodiment of the arrangement according to the invention.
- the embodiment of the arrangement 2 according to the invention shown schematically in FIG. 1 has a cuboid-shaped layer body 4, which is formed by an entry surface 6, for example an entry side, in FIG. 1 above, an exit surface 8, for example an exit side, in FIG four outer surfaces 10, for example outer sides, is limited, wherein the entry surface 6, the exit surface 8 and the outer surfaces 10 are designed and / or can be designated as interfaces of the layered body 4.
- FIG. 1 shows solid arrows 12 above the laminated body 4 and dashed arrows 14 below the laminated body 4. All arrows 12, 14 indicate a downward direction, which here is oriented and / or aligned from the entry surface 6 in the direction of the exit surface 8.
- the laminated body 4 has several elements, namely a first light-switching element 16, a light-guiding element 18, and optionally a second light-switching element 20, which is provided here in addition, against the downward direction, the first light-switching element 16 being arranged between the exit surface 8 and the light-guiding element 18.
- the second light switching element 20 is arranged between the light guide element 18 and the entry surface 6.
- the second light switching element 20 is for light from a light source that impinges on the arrangement 2 in the main direction according to the solid arrows 12, but transmissive for light that radiates from the light guide element 18 onto the second light switching element 20 against the main direction, reflecting such light, which is reflected by the second light switching element 20, is again radiated in the main direction into the light guide element 18.
- a photovoltaic cell 22 or a photovoltaic module is arranged here on or on an outer surface 10 which laterally delimits the layer body 4 depending on the definition.
- such a photovoltaic cell 22 is in each case on or on the entry surface 8, depending on the definition above and / or can be arranged at the bottom on or on the exit surface 10, depending on the definition.
- the light alone is reflected by the first light switching element 16 into the light guide element 18 and is thus coupled in.
- the second light switching element 20 can reflect light that is reflected by the first light switching element 16 against the main direction into the light guide element 18 and crosses this against the main direction back in the main direction and thus prevent the light from passing through the entrance surface 6 Arrangement 2 leaves again, whereby by combining the two light switching elements 16, 20 more light can be bundled in the light guide element 18 between the light switching elements 16, 20, conducted or transported to the photovoltaic cell 22 and converted into electrical energy by this.
- the first light switching element 16 can be set to be either transparent or reflective for light which radiates onto the first light switching element 16 in the main direction. If the first light switching element 16 is set to be transmitting or permeable for the light in the main direction, this light is transmitted or allowed to pass through the first light switching element 16.
- FIG. 1 also shows a jagged arrow 24 which is assigned to the light guide element 18 here.
- This jagged arrow 24 indicates a movement of light from the light source which, in the event that the first light switch element 16 is set to be reflective or mirror-like, reflects back and forth within the light guide element 18 between the two light switch elements 16 and 20 and continues to be perpendicular to the main direction to the
- Photovoltaic cell 22 is guided and coupled into this, wherein the radiant energy of the light is converted by the photovoltaic cell 22 into electrical energy.
- the light is thus collected in the light guide element 18 and thus in a corresponding light guide and is decoupled from the light guide element 18 on at least one outer surface 10 and is further coupled into the photovoltaic cell 22.
- the first light switching element 16 can be set to be absorbent, scattering or reflective, for example switched. In one possible implementation, at least one
- Light switching element 16, 20 should never be completely translucent or light-blocking. As a rule, a first percentage of it is translucent and a second percentage is light-blocking. If the at least one light switching element 16, 20 in one embodiment is set to be transparent, for example switched, the first percentage that it is transparent to light is greater than the second percentage that it is light-blocking. If, on the other hand, it is set to be light-blocking, for example switched or is, the second percentage to which it is light-blocking is greater than the first percentage to which it is translucent.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020115378.3A DE102020115378A1 (de) | 2020-06-10 | 2020-06-10 | Anordnung zum Umwandeln von Licht in elektrische Energie |
| PCT/EP2021/064502 WO2021249803A2 (de) | 2020-06-10 | 2021-05-31 | Anordnung zum umwandeln von licht in elektrische energie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4165688A2 true EP4165688A2 (de) | 2023-04-19 |
Family
ID=76375029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21731413.7A Ceased EP4165688A2 (de) | 2020-06-10 | 2021-05-31 | Anordnung zum umwandeln von licht in elektrische energie |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20230213702A1 (de) |
| EP (1) | EP4165688A2 (de) |
| CN (1) | CN115735281A (de) |
| DE (1) | DE102020115378A1 (de) |
| WO (1) | WO2021249803A2 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230065240A1 (en) * | 2021-08-25 | 2023-03-02 | The United States of America As Represented By The Director Of The National Geospatial-Intelligence | Method and apparatus for the display of volumetric solids using distributed photochromic compounds |
| DE102022121760B4 (de) | 2022-08-29 | 2025-07-10 | Cariad Se | Solarstromerzeugungsvorrichtung und Kraftfahrzeug mit einer solchen Solarstromerzeugungsvorrichtung |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20320919U1 (de) | 2003-07-01 | 2005-06-09 | Webasto Ag | Deckel mit einer Glasscheibe und elektrischen Funktionselementen |
| US8632034B2 (en) | 2007-03-23 | 2014-01-21 | The Boeing Company | Self-powered dimmable windows with integrated controls |
| US20090126792A1 (en) * | 2007-11-16 | 2009-05-21 | Qualcomm Incorporated | Thin film solar concentrator/collector |
| ES2364665B1 (es) * | 2008-11-12 | 2012-05-23 | Abengoa Solar New Technologies, S.A. | Sistema de captación y concentración de luz. |
| WO2010124279A1 (en) * | 2009-04-24 | 2010-10-28 | Alphamicron, Inc. | Solar powered variable light attenuating devices and arrangements |
| US9348068B2 (en) | 2009-11-06 | 2016-05-24 | Sharp Laboratories Of America, Inc. | Energy generating transparent film |
| US20120138144A1 (en) * | 2009-11-18 | 2012-06-07 | Sharp Kabushiki Kaisha | Solar cell module and solar power generating apparatus |
| US9905709B2 (en) * | 2010-03-16 | 2018-02-27 | Philips Lighting Holdings B.V. | Photovoltaic cell device with switchable lighting/reflection |
| DE102010003745A1 (de) | 2010-04-08 | 2011-10-13 | GFi Gesellschaft für technische Ingenieurleistungen mbH | Solardach für ein Kraftfahrzeug und Kraftfahrzeug damit |
| US20130220399A1 (en) * | 2012-02-23 | 2013-08-29 | Qualcomm Mems Technologies, Inc. | Hybrid wedge shaped/microstructured light collector |
| DE102012011058A1 (de) * | 2012-06-04 | 2013-12-05 | Rainer Schmidt | Steuerbare Lichtlenkung und Lichtleitung |
| EP2947701A4 (de) * | 2013-01-21 | 2017-02-08 | Holomedia LLC | Lichtkonzentrationsmechanismus, photovoltaische energieerzeugungsvorrichtung, fensterstruktur und fensterglas |
| WO2014178184A1 (en) * | 2013-04-29 | 2014-11-06 | Sharp Kabushiki Kaisha | Energy generating transparent structure and method for generating energy from light incident to an enegy generating transparent structure |
| CN203745759U (zh) * | 2013-10-21 | 2014-07-30 | 福建铂阳精工设备有限公司 | 太阳能光学模块 |
| DE102018206516B4 (de) | 2018-04-26 | 2019-11-28 | DLR-Institut für Vernetzte Energiesysteme e.V. | Schaltbares Absorberelement und photovoltaische Zelle |
| CN111130451B (zh) * | 2020-01-21 | 2025-03-25 | 奥提赞光晶(上海)显示技术有限公司 | 一种可切换通透模式的太阳能收集装置及实现方法 |
-
2020
- 2020-06-10 DE DE102020115378.3A patent/DE102020115378A1/de active Pending
-
2021
- 2021-05-31 CN CN202180041969.1A patent/CN115735281A/zh active Pending
- 2021-05-31 EP EP21731413.7A patent/EP4165688A2/de not_active Ceased
- 2021-05-31 WO PCT/EP2021/064502 patent/WO2021249803A2/de not_active Ceased
- 2021-05-31 US US18/001,154 patent/US20230213702A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021249803A3 (de) | 2022-02-10 |
| WO2021249803A2 (de) | 2021-12-16 |
| CN115735281A (zh) | 2023-03-03 |
| DE102020115378A1 (de) | 2021-12-16 |
| US20230213702A1 (en) | 2023-07-06 |
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