EP2885481A1 - Dispositif de protection solaire - Google Patents

Dispositif de protection solaire

Info

Publication number
EP2885481A1
EP2885481A1 EP13742421.4A EP13742421A EP2885481A1 EP 2885481 A1 EP2885481 A1 EP 2885481A1 EP 13742421 A EP13742421 A EP 13742421A EP 2885481 A1 EP2885481 A1 EP 2885481A1
Authority
EP
European Patent Office
Prior art keywords
sun protection
protection device
material layer
protection elements
elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13742421.4A
Other languages
German (de)
English (en)
Inventor
Andreas Schmohl
Christoph Schwitalla
Klaus Breuer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of EP2885481A1 publication Critical patent/EP2885481A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/36—Lamellar or like blinds, e.g. venetian blinds with vertical lamellae ; Supporting rails therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/60—Details of absorbing elements characterised by the structure or construction
    • F24S70/65—Combinations of two or more absorbing elements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
    • E05F2017/005—Special devices for shifting a plurality of wings operated simultaneously for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B2009/2476—Solar cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S2020/10—Solar modules layout; Modular arrangements
    • F24S2020/18—Solar modules layout; Modular arrangements having a particular shape, e.g. prismatic, pyramidal
    • F24S2020/183—Solar modules layout; Modular arrangements having a particular shape, e.g. prismatic, pyramidal in the form of louvers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/80—Arrangements for controlling solar heat collectors for controlling collection or absorption of solar radiation
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

Definitions

  • the invention relates to a sun protection device with a plurality of movable sun protection elements, which are movable from an open to a closed position.
  • Known sun protection elements consist of a fabric made of a metallic or textile material, which can be moved either mechanically or electromotively by the user from an open to a closed position.
  • Electromotive sun protection devices can be provided with a control or regulating device, so that they can be moved without user intervention in the optimally suitable position weather-related.
  • This known sun protection device has the disadvantage that these can not be operated either in the absence of the occupants or users of the building or constantly require electrical energy for the control and electromotive adjustment, which further deteriorates the energy balance of the building.
  • the invention is therefore based on the object to a simple and inexpensive sun protection device
  • the object is achieved by a sunshade device according to claim 1.
  • a window opening with a sun protection device which autonomously contains adaptive sun protection elements.
  • the window opening may be provided with a transparent or translucent glazing.
  • the glazing may be fixed or inserted in a window sash, so that the window can be temporarily opened or arranged as a glass facade immovable on the building.
  • the glazing may have several approximately parallel to each other discs.
  • the window can separate the interior and exterior of a building, vehicle, ship, or aircraft.
  • At least in front of the window opening are either on the
  • Movable sun protection elements arranged inside or on the outside or between two panes of the glazing.
  • the sun protection elements can be opened from one be closed position movable. This is to be understood to mean that the closed sun protection elements achieve a shadow in the interior of the room and, accordingly, return solar radiation to the outside
  • a plurality of protective elements may be arranged so that they are closed
  • the sun protection elements can either cause no shadow in the interior or the shadow generated by the individual sun protection elements is at least smaller, so that the shading continuously increases with the sun's rays up to a maximum value.
  • the sun protection elements are designed according to the invention autonomously adaptive. This means that the sun protection elements react to moisture, temperature, light intensity and / or heat, so that the sun protection elements move automatically from a closed to an open position when the sun and thus the heat in the room is high and the sun protection elements of the opened in a closed
  • the sun protection elements can, depending on the environmental influences according to the needs of the residents or users of the underlying spaces and without
  • the sun protection elements can be in front of the window opening horizontally or vertically or at a different angle, ie be arranged diagonally.
  • the sunshade elements may be divided both horizontally and vertically.
  • the sun protection elements can be arranged in a holding device which, in addition to the autonomously adaptive movement, also makes possible an electromotive or mechanical movement of the sun protection device. Thereby, the sun protection device can be moved both autonomously from an open to a closed position and manually.
  • Sun protection elements by a mechanism and / or hydraulics be movable.
  • the thermal expansion of a mechanical component and / or a hydraulic fluid can be used to move the sunshade elements from an open to a closed position.
  • the hydraulic fluid may be or include, for example, an alcohol or an oil.
  • the Invention uses a hydraulic fluid which shows a large difference in density as a function of the temperature.
  • the hydraulic fluid may act via a piston on a mechanism, such as a push rod or a gear, to move the sun protection elements from the open to the closed position and vice versa in this way.
  • a mechanism such as a push rod or a gear
  • the mechanism and / or hydraulics can achieve a transmission, a pivoting lever or piston / cylinder pairings of different diameters.
  • Hydraulic fluid in the hydraulic means of at least one solar absorber be heated.
  • the solar absorber may comprise a coating which selectively a
  • infrared radiation can be selectively absorbed. This may in some embodiments of the invention result in the hydraulic fluid being heated more quickly than the glazing of the window opening or space behind the window opening, so that the sunshade shadows the room before it undesirably heats up.
  • response to cloudy can be achieved by increased absorption of visible radiation
  • the hydraulic fluid can be heated by a further heat source, for example an electric heating cartridge and / or a gas burner.
  • a further heat source for example an electric heating cartridge and / or a gas burner.
  • the user may open and close the sunshade elements via a mechanism which acts parallel to the hydraulics on the sunshade elements and / or the hydraulic elements may be arranged on a mechanically movable support.
  • the sunshade element may comprise a strip of material of a solid
  • Contain material such as a metal, a
  • the sunshade element can be rotated about its longitudinal axis to move it from an open to a closed position.
  • a sun protection element made of plastic material may contain or consist of carbon fibers.
  • such a sunscreen element may contain a thermoplastic or a duroplastic or an elastomer, for example an epoxy resin or a polyester resin.
  • the sunscreen element can be a fluorinated
  • Such Sunscreen element can be operated due to the low weight with low actuation forces and / or have a good weather resistance.
  • At least one sun protection element may comprise a membrane located in a housing, which may be replaced by a mechanism and / or
  • the housing may be made of metal or plastic, for example, as already described above with reference to the flat sun protection elements.
  • the housing may be approximately cylindrical, so that a roller arranged in the interior can wind up the membrane.
  • the membrane itself may be made of a flexible plastic material, such as a carbon fiber reinforced laminate.
  • the membrane may contain or consist of a fluorinated polymer so that the weatherability of the membrane may be increased.
  • the sunshade element may be composed of at least a first material layer having a first coefficient of thermal expansion and a third material layer having a third coefficient of thermal expansion, wherein both material layers are interconnected at at least two opposing boundary edges. Due to the different coefficients of thermal expansion occurs in the sun protection elements when heated to a mechanical stress, which leads to a curvature of the sun protection elements. This allows the sunscreen projected area in a
  • Position of the sun protection element represents the closed position.
  • the heating of the sun protection element can be done by sunlight on a collector surface. On cold days, the collector surface is heated less by the sun than on hot days, so that the outside temperature used as an additional control variable can be.
  • the sunshade element according to this embodiment of the invention has a similar operation, as known bimetallic elements.
  • sun protection element need not necessarily be made of a metal or an alloy, but may also contain or consist of different plastic materials and / or ceramic.
  • the sunscreen element may include or consist of a composite material of a metal, a ceramic, an alloy and / or a plastic.
  • a second material layer having a second thermal expansion coefficient may be arranged between the first material layer and the third material layer.
  • the second material layer can be used for mechanical stiffening of the sun protection elements, so that they reliably in the desired
  • the second material layer may include or from carbon fibers
  • Carbon fibers have the advantage
  • the second material layer may include or from carbon fibers
  • the second material layer does not change the modulus of elasticity of the sun protection elements in a direction transverse to the longitudinal extension, so that the sun protection elements continue to be replaced by the thermal expansion due to the different thermal expansion. standing mechanical stresses can be arched.
  • the sunshade element along its longitudinal extent is sufficiently stiff in order to be able to reliably bridge even large spans or large window openings.
  • the distance between the first and the third material layer may be about 1 ⁇ to about 200 ⁇ . In some embodiments of the invention, the distance between the first and the third material layer may be about 5 ⁇ to about 50 ⁇ .
  • the first material layer contains, for example, polytetrafluoroethylene and / or at least one partially fluorinated polymer and / or
  • Silicone rubber and / or silicone-filled acetal copolymers and / or epoxy resin are examples of silicone rubber and / or silicone-filled acetal copolymers and / or epoxy resin. These materials have one
  • Coefficient of expansion may be ZrW 2 0 8 or contain, for example in the form of fibers or fillers. Such a material layer may in some embodiments Thermal expansion coefficient between about -5 x 10 "6 K “ 1 and about 1.5 x 10 "5 K " 1 have. In some embodiments of the invention, the coefficient of thermal expansion may be between about 5 x 10 -7 K -1 and about 5 x 10 -6 K -1 . These differences are sufficient to achieve a corresponding deformation of the sun protection element, so that when heated a closed or partially closed position of the sun protection device can be achieved.
  • At least the side of the sunshade elements facing the outside of the building can be designed to be diffusely reflecting.
  • This feature has the effect of avoiding external glare. This also contributes to the fact that the sun protection elements in the closed position have a curved shape, so that reflected light beams are defocused.
  • At least the side of the sunshade elements facing the outside can be equipped with a photoelectric cell at least on a partial area.
  • the sunshade device in the closed position can produce electrical energy, which can be used for example for ventilation of the building.
  • Sun protection elements with at least one boundary edge with a solar absorber in contact. This allows the controlled heating and cooling of the
  • the solar absorber may have a spectrally selective absorbing coating to a predetermined heating behavior in sunlight
  • the sunshade device may further comprise at least two transparent or contain translucent discs, which spaced
  • sun protection elements are arranged to each other, wherein at least the sun protection elements are arranged between the discs. This avoids the mechanical damage of the sun protection elements, for example by inattentive users or
  • FIG. 1 shows the cross section through a sunshade device in a first embodiment.
  • Figure 2 shows the cross section through a sunshade device according to a second embodiment.
  • FIG. 3 shows an enlarged detail from FIG. 1 or FIG. Second
  • Figure 4 shows the operation of a sun protection element.
  • FIG. 5 shows a window opening with the sunshade device according to FIG. 1 in the open position.
  • FIG. 6 shows the sun protection device according to FIG. 5 in the closed position.
  • Figure 7 shows the structure of a sun protection element in a first embodiment.
  • FIG. 8 shows a section from FIG. 7.
  • FIG. 9 shows the structure of a sun protection element in a second embodiment.
  • FIG. 10 shows the behavior of the sun protection device according to FIG. 1 at different temperatures.
  • Figure 11 shows a third embodiment of the sun protection device in the open position.
  • FIG. 12 shows the sunshade device according to FIG. 11 in the closed position.
  • FIG. 13 shows a fourth embodiment of the sun protection device
  • FIG. 1 shows a sunshade device according to the invention in a first embodiment.
  • the sun protection device 1 comprises a plurality of sun protection elements 10. These are arranged between two transparent or translucent panes 15. As a result, mechanical damage or the effect of precipitation on the sun protection elements 10 is avoided.
  • the sun protection elements have a front side with a comparatively low
  • this may be between about 1 mm and about 10 mm.
  • the sunshade elements in a direction orthogonal to the discs 15 have a width of about 10 mm. In other embodiments of the invention, this may vary from about 3 mm to about 50 mm. As a result, 10 only the narrow end face is visible in the open position of the sun protection elements. Only in the closed position, the sun protection elements 10 fill the gap 16 and shadow the behind
  • the sun protection elements 10 are arranged approximately orthogonal to the plane of the discs 15 and equidistant. In other embodiments of the invention, the sunshade elements 10 may also be inclined and / or have different distances from each other. With reference to Figure 2, a second embodiment of the invention will be explained. Also in this case, the sun protection elements 10 are arranged between two panes 15. However, the sun protection elements 10 are not arranged parallel to each other but with different
  • the sun protection device 1 according to FIG. 2 contains, in addition to the adaptive sun protection elements 10, which are explained with reference to FIG. 4, conventional sun protection elements 11 with a constant one
  • FIG. 1 The window opening is divided according to Figure 2 into different sections, which are marked in Figure 2 with A and B.
  • the sections B adaptive sun protection elements 10 are used, which shade depending on the applied heat, a larger or smaller area ratio of the discs 15.
  • a conventional sun protection elements 11 are used, which shade a constant portion of the window area.
  • the sun protection element 10 shows a main body 105, for example made of a metal or an alloy.
  • the main body 105 is provided with a good thermal conductivity and can be made for example of aluminum or an aluminum alloy or a copper alloy.
  • the end face 102 of the main body 105 is as a solar absorber
  • the end face 102 may be provided with a selectively absorbing coating, which preferably absorbs a predeterminable partial spectrum of the sunlight.
  • only one membrane 101 may be present, which is attached on one side to the main body 105.
  • the membrane 101 is with its longitudinal edge attached to the front side 103 of the main body 105. Influence of solar radiation thus leads to
  • the invention can also be realized in a variant in which the end face 103 of the main body 105 is used as a solar absorber.
  • Figure 13 shows a variant of the embodiment shown in Figures 1 to 3.
  • the gap 16 between the discs 15 can be ventilated by 15 openings are mounted below and above the window frame or in the holding device of the discs.
  • the air in the gap 16 heats up when exposed to the sun and rises upwards.
  • the impeller 51 can be set in rotation by means of an electric motor, not shown, or when driving the impeller rotates the rotor of the electric motor.
  • the kinetic energy of the flowing air can be converted into electrical energy by means of the generator 50 operated as a fan.
  • the electrical energy can be stored in accumulators. In very strong sunlight, which could lead to overheating of the system, which can in the
  • Accumulators previously stored energy can be used for cooling. This can be done either through increased ventilation using the fans 50 and / or by using the thermoelectric effect and / or by use of
  • Compression refrigerators can be achieved.
  • the sun protection element 10 comprises a
  • Main body 105 whose end face 102 is adapted to absorb solar radiation.
  • the mutually arranged membranes 101 are at temperatures below about 20 ° C or below about 15 ° C in approximately flat and are therefore in the position shown in Figure 4 black.
  • the membranes 101 are then approximately parallel to the main body 105.
  • the sun protection element thereby has the width b. This is called open position.
  • Membrane 101 will be explained in more detail with reference to FIGS 7 to 9.
  • the basic principle of this embodiment of the invention is that the membrane deforms with increasing heating, so that it has a concave inner surface 1011 and a convex outer surface 1012. This results in a larger projected width B of the sunshade element 10 due to the attachment point 1013. As a result, the sunshade element 10 covers a larger part of the window opening, so that the shading occurs as desired.
  • Figure 4 is only to be understood schematically. In practice, the membranes arranged on either side of the main body 105 become symmetrical
  • an optional photovoltaic cell 40 may be arranged on the outside 1012.
  • FIGS. 5 and 6 show the effect of the proposed sunshade device with reference to a window opening 20.
  • the window opening 20 is provided with a plurality of sunblinds. equipped elements 10, which in Figure 5 in the
  • Figure 6 shows the state of the sun protection device with greater warming. In this case, the increased
  • the spaces 16 between two adjacent sun protection elements are thereby smaller, so that the view from the window 20 is limited. At the same time, however, this leads to a lower energy input from the solar radiation in the space behind the window opening 20.
  • the structure of a membrane 101 will be explained by way of example with reference to FIGS. 7, 8 and 9.
  • the membranes 101 shown in the figures have the structure of a three-layer, biaxial sewing knit.
  • the membrane with its longitudinal edge 1013 adjoins the end face 103 of the main body 105.
  • the first material layer 1111 and the third material layer 1113 are fixed there such that the respective longitudinal edges 1013 of the first material layer 1111 and the third material layer 1113 are not mutually displaceable.
  • the first and third layers of material at the opposite longitudinal edge 1114 are secured together so that the ends of the filaments, fibers or film strips can not move relative to each other. In some embodiments of the invention, this can be achieved by gluing or welding.
  • Material layer 1113 is a second material layer 1112 arranged.
  • the second material layer 1112 may contain or consist of carbon fibers, so that the membrane 101 is on the one hand weather-resistant and on the other hand can absorb large tensile forces with a small thickness.
  • the carbon fibers can be arranged in the second layer 1112 along the longitudinal extension of the membrane 101.
  • the filaments, fibers or film strips are mutually interrelated with each other and with the second layer 1112 on the one hand and the first layer 1111 and the third material layer 1113 on the other hand, so that the distances can increase or decrease due to the thermal expansion.
  • the curvature illustrated in FIG. 4 thus results.
  • at least the outwardly facing side 1012 may be reflective.
  • a diffusely reflecting coating of at least the second side 1012 can be selected.
  • the first material layer 1111 may have a coefficient of thermal expansion between 5 ⁇ 10 -5 and 2 ⁇ 10 -4 K -1 .
  • the third material layer 1113 may have a thermal expansion coefficient of between about 5 ⁇ 10 -7 K -1 and about 5 ⁇ 10 -6 K -1 .
  • the membrane 101 can also, as shown in FIG. 9, in each case contain at least one film layer in the first material layer 1111 and the third material layer 1113.
  • film layers can be made for example of a plastic material or a thin rolled metal or an alloy.
  • FIG. 10 shows a computer simulation of the sun protection device according to the invention. Shown is a sun protection device 1 with a plurality of sun protection elements 10. In the embodiment, six sun protection elements 10 are arranged approximately parallel to each other. Each sunshade element 10 includes two membranes 101, which
  • the thermal expansion coefficient of the first material layer of the membrane is 1.2 ⁇ 0 "4 K " 1 .
  • the thermal expansion coefficient of the third material layer of the membrane is 1 ⁇ 0 "5 K “ 1 .
  • the difference of the thermal expansion coefficients is therefore ⁇ , ⁇ "4 K “ 1 .
  • the membranes have a thickness of 60 ⁇ , wherein the distance between the first material layer and the third material layer is 20 ⁇ .
  • Each sunshade element 10 has a depth of 10 mm and a width b of 2 mm. Two adjacent sunshade elements 10 are arranged at a distance of 17 mm from one another.
  • Sunscreen elements 10 is increasingly shadowed by the membranes 101.
  • FIG. 11 shows a sun protection device 1 with a plurality of sun protection elements 10.
  • Each sun protection element 10 has a housing 32, in which a flexible membrane 33 is arranged.
  • Each sun protection element 10 is connected via a hydraulic line 31 to a reservoir 30, in which a hydraulic fluid is located.
  • the reservoir 30 is a solar
  • Absorber 301 provided. As shown in Figure 12, the solar absorber 301 takes thermal in favorable weather
  • the hydraulic fluid can be heated with an additional heating, for example an electrical heating resistor.
  • an additional heating for example an electrical heating resistor.
  • an electrical heating resistor for example an electrical heating resistor
  • a manual or electric pump may be provided to pressurize the hydraulic fluid and the sunshade elements 10 also in cool weather
  • a bypass valve may be present, with which the pressure in the hydraulic line 31 can be discharged into the reservoir 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Blinds (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un dispositif de protection solaire (1), comprenant une pluralité d'éléments de protection solaire (10) mobiles qui peuvent être déplacés d'une position ouverte dans une position fermée, caractérisé en ce que les éléments de protection solaire (10) peuvent être déplacés par l'action de la chaleur, les éléments de protection solaire (10) étant composés au moins d'une première couche de matériau (1111) ayant un premier coefficient de dilatation thermique (α) et d'une troisième couche de matériau (1113) ayant un troisième coefficient de dilatation thermique (α3), les deux couches de matériau étant reliées l'une à l'autre sur au moins deux bords de délimitation (1013, 1014) opposés.
EP13742421.4A 2012-07-23 2013-07-22 Dispositif de protection solaire Withdrawn EP2885481A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012212848.4A DE102012212848A1 (de) 2012-07-23 2012-07-23 Sonnenschutzvorrichtung
PCT/EP2013/065427 WO2014016254A1 (fr) 2012-07-23 2013-07-22 Dispositif de protection solaire

Publications (1)

Publication Number Publication Date
EP2885481A1 true EP2885481A1 (fr) 2015-06-24

Family

ID=48900959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13742421.4A Withdrawn EP2885481A1 (fr) 2012-07-23 2013-07-22 Dispositif de protection solaire

Country Status (4)

Country Link
US (1) US20150191959A1 (fr)
EP (1) EP2885481A1 (fr)
DE (1) DE102012212848A1 (fr)
WO (1) WO2014016254A1 (fr)

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WO2011130593A2 (fr) 2010-04-16 2011-10-20 Hunter Douglas Inc. Procédé et système de fabrication d'un store
CA2801901C (fr) 2010-06-08 2019-04-23 Hunter Douglas Inc. Ensemble unitaire pour un fenetrage architectural, produisant une commande de gain de chaleur solaire dynamique
CA2956655A1 (fr) 2016-06-30 2017-12-30 Hunter Douglas Inc. Revetement architectural et methode de fabrication
DE102016012554B4 (de) 2016-10-20 2021-09-23 Martin Huber Patent UG (haftungsbeschränkt) Wärmemotor mit mehreren Doppelschichtbauteilen
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US20150191959A1 (en) 2015-07-09
WO2014016254A1 (fr) 2014-01-30

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