EP2047055B1 - Pare-soleil statique partiellement transparent - Google Patents

Pare-soleil statique partiellement transparent Download PDF

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Publication number
EP2047055B1
EP2047055B1 EP07764409A EP07764409A EP2047055B1 EP 2047055 B1 EP2047055 B1 EP 2047055B1 EP 07764409 A EP07764409 A EP 07764409A EP 07764409 A EP07764409 A EP 07764409A EP 2047055 B1 EP2047055 B1 EP 2047055B1
Authority
EP
European Patent Office
Prior art keywords
base
protection device
angle
sun protection
sun
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.)
Not-in-force
Application number
EP07764409A
Other languages
German (de)
English (en)
Other versions
EP2047055A2 (fr
Inventor
Tilmann Kuhn
Michael Hermann
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 Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung 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 Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of EP2047055A2 publication Critical patent/EP2047055A2/fr
Application granted granted Critical
Publication of EP2047055B1 publication Critical patent/EP2047055B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E06B2009/2417—Light path control; means to control reflection

Definitions

  • the present invention relates to a semi-transparent static sunshade device made of a flat body consisting of and / or coated with such a material and having continuous openings with an angle-selective transmission for sunlight, wherein the maximum permeability in a Incident angle of # 90 ° of sunlight to the plane of the body is.
  • sun protection devices such as blinds or textile blinds also exist fixed or movable hangings. So show the DE 10161159 A1 and the DE 10139583 A1 Sun protection devices, which are constructed from a parallel arrangement of horizontal metal rods whose cross-sectional geometry is optimized in terms of light control. By a distance between the rods at the same time the review is possible.
  • the FR 2 098 888 A discloses a sunshade device from a flat body, in which several incisions were made to produce easily movable lamellae. In the prevailing draft, the blades are raised by the wind force, so that the resulting aerodynamic wind resistance is reduced by the planar device.
  • the DE 27 09 207 A1 deals with a heat-sensitive venetian blind.
  • the Venetian blind consists of a flat plate, which is subdivided into slats by the application of odd cuts.
  • the lamellae are coated on one of their surfaces with a material having the lowest possible linear expansion coefficient. As a result of this embodiment, the lamellae automatically bend depending on the heat radiation or close again accordingly.
  • the US 5 650 875 A deals with translucent panel elements and methods of controlling natural lighting using the panels.
  • the main body of the panels are made of a permeable to solar radiation material, are applied to the light-reflecting elements.
  • the FR 2 068 890 A deals with blinds that allow ventilation of rooms while protecting against rain and insect penetration.
  • the Venetian blinds are composed of a multiplicity of horizontally, vertically and obliquely extending individual members. In a horizontal part ventilation holes are formed.
  • laminated glass sheets are available in which an expanded metal with through-slots is laminated.
  • the passage slots are formed by stretching deformation of a metal sheet into which previously appropriate cuts have been made.
  • a sun protection device is, for example.
  • US 3453039 in conjunction with the Figures 3 and 4 briefly addressed this document, which deals with a sunshade device without continuous openings.
  • the inevitably parallel arrangement of the open slots in the sunscreen limits such a sunshade device to very specific applications.
  • the entire sheet is subjected to the tensile load, so that no additional elements can be attached to the sheet before deformation.
  • the object of the present invention is to provide a sunshade device that can be easily adapted to different applications in the production and the attachment or integration of other elements, such as. Solarabsorberrohren already in the initial stage of manufacture allows.
  • the proposed static sunshade device consists of a flat body consisting of and / or coated with a material impermeable to solar radiation and having continuous openings with an angle-selective transmission for the sunlight, in which a maximum of the transmission at an angle of incidence of # 90 ° of the sunlight to the plane of the body is.
  • the openings are introduced in the present sun protection device by purely local processing in the body, so that no stress or stress on the remaining areas of the body occurs through the generation of the openings.
  • the openings may be circular or slot-shaped.
  • the main body itself preferably consists of a flat or curved plate of metal or plastic.
  • the openings are introduced by local removal of material of the body, eg. By punching, cutting or drilling in the body. Suitable techniques are laser cutting, laser drilling or water jet cutting.
  • the present static sun protection device is characterized by openings that are introduced by purely local processing in the body and thus do not affect the production of the remaining material of the body.
  • the angular selectivity of these passage openings can be chosen to be almost free in the production, so that the sun protection device can be produced without much effort for a variety of applications or requirements.
  • differently configured openings may also be present in different sections of the basic body.
  • the proposed static sunshade may also have two or more front and rear transparent covers, so that it can be used as a glazing, window or facade element.
  • the body is here using the usual manufacturing technologies of window and facade construction between the covers, for example. Glass panels installed.
  • the specially designed openings fulfill the desired sun protection, see-through, glare protection and daylight supply requirements.
  • the sun-facing side of the base body has a different color than the side facing away from the sun.
  • the different color can be obtained, for example, by different coating of both sides.
  • the sun-remote side of the body IR-reflective formed, for example, metallic or by coating with an IR-reflective lacquer.
  • the sun protection device is particularly advantageous for use in the parapet area of buildings, since it offers the possibility of viewing even after obliquely down with a suitable design. This applies above all to parapet areas of all-glass facades or balcony balustrades, both in residential and non-residential construction.
  • the present sun protection device can be advantageously used for all facade areas that are glazed, preferably for those areas that are not directly to the view. Examples of this are horizontal roof skylights, inclined façade or roof elements as well as basically the skylight area and the parapet area of a facade.
  • the openings are formed as slots or grooves with a wedge-shaped cross-sectional profile.
  • the slits can run vertically, horizontally or diagonally, so that the sun is hidden as well as possible.
  • At least one of the two side walls of the wedge-shaped slots is not perpendicular to the plane of the body or to its surface, but at an angle of ⁇ 90 °.
  • gap width about the choice of the angle of the two side walls and the clear width of the slot perpendicular to the slot direction, hereinafter also referred to as gap width, and the thickness of the body can also here the sun protection effect as well as the viewing angle, the glare protection and the daylight supply can be adjusted specifically.
  • the openings are formed as bores whose central axis extends at an angle of # 90 ° to the plane of the main body or to its surface.
  • the desired effects of the sunscreen desired for the particular application can be adjusted. It is also possible that at least some of the holes are not parallel to each other.
  • FIG. 1 shows a possibility of the embodiment of the present sun protection device, in which the angle-selective sun protection structure is formed by cutting wedge-shaped longitudinal grooves 10. This can be done, for example, by means of laser cutting.
  • the grooves 10 can be vertical, horizontal or oblique, so that the sun is hidden as well as possible.
  • an oblique arrangement is advantageous (cf. W. Lorenz, "A Glazing Unit for Solar Control, Daylighting and Energy Conservation", Solar Energy 70 (2001) no. 2, pp. 109-130 , in particular the Figure 2 this publication).
  • the lower side wall 11 of the groove 10 is advantageously bevelled outwards to the bottom to allow a view down.
  • angles ⁇ and ⁇ are measured against the horizontal.
  • ⁇ is the skip angle for the sun.
  • the angle ⁇ is preferably between 0 ° and 85 °, the angle ⁇ , which indicates the inclination of the upper side wall 12 against the horizontal, preferably between -20 ° and + 10 °.
  • the lower side wall 11 should as a rule be turned steeper than 45 ° from the horizontal ( ⁇ ⁇ 45 °) so that horizontally incident sunlight is not deflected inwards, but upwards. Light with a larger elevation angle is then also reflected to the outside, because the angle of incidence is equal to the angle of reflection.
  • the angle values for ⁇ are independent of the inclination of the façade to which the sun protection device is attached. They are derived only from the possible sun positions.
  • the daylight supply has a higher priority, for example in the upper segment of a window band or above the head height, the light should be reflected into the room (i.e., ⁇ ⁇ 45 °). Also, this angle for ⁇ is independent of the inclination of the facade, but is derived from the possible sun positions at the respective place of attachment.
  • the upper side wall 12 should advantageously be inclined upwards by the angle ⁇ relative to the horizontal so that the direct sun can shine most of the time non-grazing along the surface into the space (-20 ° ⁇ ⁇ ⁇ 10 °).
  • the angle ⁇ is chosen such that: -10 ° ⁇ ⁇ ⁇ 0 °.
  • > 10 ° are also possible, but these are degraded embodiments.
  • the angle specifications for ⁇ apply regardless of the slope of the facade. They are derived only from the possible sun positions.
  • D Another parameter for setting the anti-glare effect is the gap width D, which indicates the clear width on the inside of the groove 10.
  • the profile angle is the projection of the sun's elevation angle onto a vertical plane perpendicular to the base.
  • the determination of the gap width can thus be done in this special case, as for example. Also in the FIG. 2 is illustrated in the right part illustration.
  • FIG. 2 shows a further example of the present sun protection device, wherein the openings are formed by obliquely drilled holes 13.
  • These holes 13 can be generated, for example, with a laser.
  • the holes 13 advantageously have obliquely outwardly downwards to allow a view in this direction.
  • ⁇ E is also valid for non-vertical facades (eg for skylights), because ⁇ E is derived only from the solar position and not from the slope of the façade. Therefore, ⁇ E is defined against the horizontal, regardless of the inclination of the main body. In non-south facing facades, it is advantageous if the cutting line with the main body is not horizontal but inclined, so that the sun is as good as possible hidden.
  • ⁇ E -20 ° ⁇ ⁇ E ⁇ 80 °, preferably 0 ° ⁇ ⁇ E ⁇ 45 °, particularly preferably 5 ° ⁇ ⁇ E ⁇ 25 °.
  • the angle ⁇ E is ⁇ 45 °, because then directly incident direct radiation tends to be directed inwards to the ceiling.
  • the smaller ⁇ E the more light is directed inwards.
  • FIG. 3 shows an example in which the proposed sunshade device is used as a balcony railing.
  • the sun protection device 14 can be seen, which is mounted between the handrail 15 and the bottom plate 16 of the balcony.
  • the openings are in this case formed so that a view is made possible obliquely downwards, a permeability to sunlight above a sun angle of 25 °, however, is prevented.
  • absorber tubes 17 are attached to the sun protection device 14 or integrated into it, which are connected to collection channels 18 for the return and the flow. In this way, the solar energy absorbed by the sunshade device can be delivered as heat energy to a heat transfer medium, which flows through the absorber tubes.
  • FIGS. 4 and 5 show two similar embodiments in which the sunshade 14 also absorber tubes 17 includes.
  • the design of the FIG. 4 shows here the visual impression for the case of trapezoidal openings, the embodiment of FIG. 5 the visual impression with fine slits as openings.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Photovoltaic Devices (AREA)

Claims (9)

  1. Dispositif de protection contre le soleil statique composé d'un corps de base plat (1), fait d'un matériau opaque au rayonnement solaire ou revêtu d'un matériau de ce type et qui comporte des ouvertures (10, 13) interconnectées avec une perméabilité sélective du point de vue angulaire pour la lumière solaire, pour lequel un maximum de perméabilité se situe à un angle d'incidence de # 90° de la lumière solaire par rapport au plan du corps de base (1), pour lequel les ouvertures (10, 13) sont des fentes avec un profil de section cunéiforme, pour lesquelles au moins une paroi latérale (11, 12) ne passe pas perpendiculairement à une surface du corps de base (1), ou, sont des trous avec des axes centraux, qui ne passent pas perpendiculairement à une surface du corps de base (1) et sont mis en place dans le corps de base (1) par une distance purement locale du matériau du corps de base (1).
  2. Dispositif de protection contre le soleil selon la revendication 1,
    caractérisé en ce qu'
    au moins plusieurs des trous ne sont pas disposés de façon parallèle.
  3. Dispositif de protection contre le soleil selon la revendication 2,
    caractérisé en ce que
    les trous sont disposés en rangées et que les axes centraux des trous de chaque rangée se trouvent respectivement dans un plan.
  4. Dispositif de protection contre le soleil selon la revendication 1,
    caractérisé en ce qu'
    au moins pour plusieurs des fentes une première paroi latérale (11) passe sous un angle de ≥ 45° ou sous un angle de < 45° à la perpendiculaire au plan du corps de base (1) et en ce qu'une deuxième paroi latéral (12) passe sous un angle entre -10° et 0° à la perpendiculaire au plan du corps de base (1).
  5. Dispositif de protection contre le soleil selon la revendication 1,
    caractérisé en ce que
    pour la disposition verticale du corps de base (1), les angles autour desquels une paroi latérale supérieure (12) et une paroi latérale inférieure (11) passent à la verticale du plan du corps de base (1), sont choisis de telle sorte que dans une section de la fente concernée avec un plan verticale, perpendiculaire au corps de base (1) et à un sens longitudinal de fente, une ligne de jonction rectiligne entre un bord inférieur de la fente sur un côté du corps de base (1) et un bord supérieur de la fente sur un côté opposé du corps de base (1), se trouve sous un angle à la verticale du corps de base (1) qui se situe entre 0° et 45°, de préférence entre 5° et 25° et/ou en ce qu'un interstice de fente est choisi de telle sorte que pour la disposition verticale du corps de base (1) dans une section de la fente concernée avec un plan vertical perpendiculaire au corps de base (1) et à un sens longitudinal de fente, une ligne de jonction rectiligne entre un bord inférieur de la fente sur un côté du corps de base (1) et un bord supérieur de la fente sur un côté opposé du corps de base (1) se trouve sous un angle à la verticale du corps de base (1) qui se situe entre 0° et 45°, de préférence entre 5° et 25°.
  6. Dispositif de protection contre le soleil selon une des revendications 1 à 3,
    caractérisé en ce que
    pour la disposition verticale du corps de base (1), les axes centraux des trous passent de telle sorte que pour une projection parallèle des trous parallèlement au plan du corps de base (1) sur un plan de projection vertical perpendiculairement au corps de base (1), les projections des axes centraux sont parallèles les uns par rapport aux autres et en ce que dans la projection parallèle, une ligne de liaison droite entre un bord inférieur du trou respectif sur un côté du corps de base (1) et un bord supérieur du trou (10, 13) sur un côté opposé du corps de base (1) se trouve sous un angle à la verticale du corps de base (1) qui se situe entre 0° et 45°, de préférence entre 5° et 25° et/ou en ce qu'un diamètre des trous est choisi de telle sorte que pour la disposition verticale du corps de base (1) dans une projection parallèle des trous parallèlement au plan du corps de base sur un plan de projection verticale perpendiculairement au corps de base (1), une ligne de jonction rectiligne entre un bord inférieur du trou respectif sur un côté du corps de base (1) et un bord supérieur du trou (10, 13) sur un côté opposé du corps de base (1) se trouve sous un angle à la verticale du corps de base (1) qui se situe entre 0° et 45°, de préférence entre 5° et 25°.
  7. Dispositif de protection contre le soleil selon une des revendications 1 à 6,
    caractérisé en ce que
    le côté tourné vers le soleil du corps de base (1) comporte une autre couleur que le côté opposé au soleil.
  8. Dispositif de protection contre le soleil selon une des revendications 1 à 7,
    caractérisé en ce que
    le côté opposé au soleil du corps de base (1) est configuré réfléchissant les rayons infrarouges.
  9. Dispositif de protection contre le soleil selon une des revendications 1 à 7,
    caractérisé en ce que
    le côté tourné vers le soleil et le côté opposé au soleil du corps de base (1) sont configurés réfléchissants les rayons infrarouges.
EP07764409A 2006-06-30 2007-06-29 Pare-soleil statique partiellement transparent Not-in-force EP2047055B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006030244A DE102006030244A1 (de) 2006-06-30 2006-06-30 Teiltransparenter statischer Sonnenschutz
PCT/DE2007/001156 WO2008000248A2 (fr) 2006-06-30 2007-06-29 Pare-soleil statique partiellement transparent

Publications (2)

Publication Number Publication Date
EP2047055A2 EP2047055A2 (fr) 2009-04-15
EP2047055B1 true EP2047055B1 (fr) 2012-11-14

Family

ID=38616278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07764409A Not-in-force EP2047055B1 (fr) 2006-06-30 2007-06-29 Pare-soleil statique partiellement transparent

Country Status (4)

Country Link
US (1) US20090195864A1 (fr)
EP (1) EP2047055B1 (fr)
DE (1) DE102006030244A1 (fr)
WO (1) WO2008000248A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006030245B4 (de) * 2006-06-30 2017-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Teiltransparenter Sonnenkollektor mit Sonnenschutzfunktion
ITFE20080021A1 (it) * 2008-07-17 2010-01-18 Francesca Cavedagna Superficie rivolta al sole appositamente sagomata per proteggere dai raggi solari diretti le parti colorate scure con l'esposizione diretta di parti con colori chiari
CN102108757A (zh) * 2011-02-23 2011-06-29 金陵科技学院 基于太阳能和调光液晶的调光玻璃
US20140116420A1 (en) * 2012-10-29 2014-05-01 Bio-Tecture, Inc. Sunshade with integrated solar thermal collector

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Also Published As

Publication number Publication date
WO2008000248A3 (fr) 2008-04-10
US20090195864A1 (en) 2009-08-06
EP2047055A2 (fr) 2009-04-15
DE102006030244A1 (de) 2008-01-03
WO2008000248A2 (fr) 2008-01-03

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