EP3741952A1 - Modulare abschirmvorrichtung für gebäudefassaden - Google Patents

Modulare abschirmvorrichtung für gebäudefassaden Download PDF

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Publication number
EP3741952A1
EP3741952A1 EP20176154.1A EP20176154A EP3741952A1 EP 3741952 A1 EP3741952 A1 EP 3741952A1 EP 20176154 A EP20176154 A EP 20176154A EP 3741952 A1 EP3741952 A1 EP 3741952A1
Authority
EP
European Patent Office
Prior art keywords
barrier
panel
shielding apparatus
modular shielding
sliding 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.)
Pending
Application number
EP20176154.1A
Other languages
English (en)
French (fr)
Inventor
Rossana PAPARELLA
Mauro CAINI
Giovanni BRUGNARO
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.)
Universita degli Studi di Padova
Original Assignee
Universita degli Studi di Padova
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 Universita degli Studi di Padova filed Critical Universita degli Studi di Padova
Publication of EP3741952A1 publication Critical patent/EP3741952A1/de
Pending legal-status Critical Current

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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
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
    • E06B9/0615—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the closing elements
    • E06B9/0638—Slats or panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/08—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of a plurality of similar rigid parts, e.g. slabs, lamellae
    • E04F10/10—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of a plurality of similar rigid parts, e.g. slabs, lamellae collapsible or extensible; metallic Florentine blinds; awnings with movable parts such as louvres
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/26—Suspension arrangements for wings for folding wings
    • E05D15/262—Suspension arrangements for wings for folding wings folding vertically
    • 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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/605—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for folding 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
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
    • E06B9/0646—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position
    • E06B9/0669—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position stored in a zig-zag arrangement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/146—Shutters

Definitions

  • the present invention relates to a modular shielding apparatus for building facades.
  • the present invention relates to shielding apparatuses which are installed externally onto surfaces which are windowed at least in part.
  • zenith sunshade devices of passive type are known, i.e. fixed, producing portions of shade toward the spaces therebelow (when the sun is in an apparent high position in the sky), and are made of slat or plate elements (having different material compositions, for example, made of concrete, wood, metal, and glass) that are inclined along a predetermined angle.
  • This type of device is adapted to intercept incident solar radiation during periods of high temperature, instead allowing the solar radiation to be transmitted during periods of reduced temperature.
  • Orientable vane sunshade devices of the active type which produce portions of shade according to the rotation intended to control the solar radiation by means of implementation horizontally and parallel with respect to the windowed surfaces, thus producing the reflection or refraction toward the internal spaces.
  • These sunshade devices are composed of vane elements having ogival or wing cross sections (having different material compositions, for example, made of sheet metals, extruded aluminum, wood and glass) that are applied horizontally and actuated using mechanical means (manual or motorized).
  • active sunshade devices having orientable plates are known, which produce portions of shade according to the rotation intended to control the solar radiation with respect to any solar angle, composed of plate elements that are arranged horizontally and actuated using mechanical means (manual or motorized), with the possibility of being able to pack away into the upper position.
  • blinds which may be packed away, also defined as folding blinds or folding shutters, which are made using contiguous segments connected by hinges, and composed of opaque or perforated panels (made of metal, for example of a stretched steel sheet).
  • folding blinds or folding shutters which are made using contiguous segments connected by hinges, and composed of opaque or perforated panels (made of metal, for example of a stretched steel sheet).
  • These blinds may be packed away using mechanical motorized means, by lifting or lateral dragging, by means of a drive system inserted into the guide profiles. The movement occurs along vertical guides that are parallel to the facade plane and provide regulation of the solar radiation by means of the lifting system.
  • sliding blinds of active type, made using sliding panels and frames for supporting a filtering fabric (in fixed or adjustable metal plates, having different material compositions, for example of aluminum, stretched wire netting, metal fabric, perforated sheet metal, wood), with different opening factors, with the possibility of sliding (using mechanical or motorized means) inside the guide profiles.
  • a filtering fabric in fixed or adjustable metal plates, having different material compositions, for example of aluminum, stretched wire netting, metal fabric, perforated sheet metal, wood
  • roller screens of the active type which produce portions of shade toward the parallel internal spaces by means of elements composed of cloths of different material compositions, for example in textile, plastics or metal form, which may be actuated by means of guides in hollows or in steel splints, or by means of mounted profiles, with or without a box. The consistency thereof determines the opaque, blackout or filtering formulation.
  • awnings which are divided into: drop arm awnings, folding arm awnings, hood awnings and veranda awnings.
  • one aim would be to provide a system which, with few modifications to the components, may be used on and adapted to facades having different dimensions.
  • reference sign 12 denotes a modular shielding apparatus for building facades 14.
  • the apparatus 12 comprises:
  • the at least one barrier 16 comprises at least one barrier element 26; 28 comprising a first panel 262; 282 and a second panel 264; 284.
  • the first and second panels 262, 264; 282, 284 are connected to one another at adjacent edges by hinge means 30; 32 defining a hinge axis 302, 322.
  • the first and second panels 262, 264; 282, 284 are adapted to rotate relative to one another about the hinge axis 302, 322.
  • the first panel 262, 282 is rotatably connected to the support structure 18.
  • the second panel 264; 284 is provided with sliding means 268, 288 adapted to slide with respect to the at least one sliding guide 20; 22 and adapted to allow a relative rotation between the at least one sliding guide 20, 22 and the second panel 264, 284.
  • the first and second panels 262, 264; 282, 284 When the barrier is in the closed position, the first and second panels 262, 264; 282, 284 have lying planes inclined with respect to one another and with respect to the direction defined by the sliding guide 20; 22, and protrude in the opposite direction with respect to the building facade 14.
  • the barrier 16 may comprise a first barrier element 26 and a second barrier element 28.
  • the first barrier element 26 and the second barrier element 28 may be adjacent to one another.
  • the first barrier element 26 may be provided with a first panel 262 rotatably connected to an upper portion 182 of the support structure 18, and the second barrier element 28 may be provided with a second panel 284 rotatably connected to a lower portion 184 of the support structure 18.
  • the first barrier element 26 may constitute about two-thirds of the barrier 16
  • the second barrier element 28 may constitute about one-third of the barrier 16.
  • the first and second panels 262, 282; 282, 284 may have a width of between 900 and 1100 mm, preferably around 1050 mm.
  • the panels could have other shapes besides rectangular, for example parallelepiped.
  • the movement of the first barrier element 26 is the opposite with respect to the movement of the second barrier element 28: the first barrier element packs away upwards and the second barrier element packs away downwards.
  • the contact point between the two barrier elements is at the same height as that of the average field of view of people who are standing.
  • the first and second panels 262, 264; 282, 284 when the barrier 16 is in the closed position, have lying planes inclined with respect to one another by an angle comprised between 130° and 160°.
  • the first and second panels 262, 264; 282, 284 may have lying planes inclined with respect to one another by an angle of approximately 144°.
  • the panels may vary their position by approximately 68°.
  • the panels in the closed position, the panels form an angle of approximately 18° with respect to the plane of the facade, with the possibility of forming an angle of 86° when in the maximum opened position.
  • the demand for electrical power from the motor in order to start the movement of the shielding panels, both in an opening phase and closing phase of the barrier is lower with respect to a starting position which is perfectly vertical or horizontal.
  • the force applied by the motor is split into two force components, with the horizontal force component guaranteeing ease of movement of the shielding panels in order to be packed away.
  • the particular positioning of the panels of the barrier also has positive consequences from an architectural point of view.
  • the apparatus When the barrier is in the closed position, the apparatus creates dynamism on the facade and may assume a key role in the architectural expressivity of the building.
  • the apparatus may comprise two sliding guides 20, 22: namely a left sliding guide 20 and a right sliding guide 22 placed at the sides of the barrier 16.
  • the at least one sliding guide 20, 22 may be fixed to the building facade 14 by means of the support structure 18 or in an independent manner.
  • the at least one sliding guide 20, 22 may be arranged parallel to the building facade plane 14.
  • the at least one sliding guide 20, 22 may be arranged so as to have lying planes inclined with respect to the building facade plane 14.
  • Fig. 4 is a schematic view of a possible embodiment of the assembly, comprising the sliding guides 20, 22, the movement means 24, and the sliding means 268, 288.
  • the sliding guides 20, 22 may be an extruded aluminum profile having a substantially C-shaped cross section which has an opening facing the edge of the relevant panel 264 (with reference to the portion shown in the figure).
  • two sliding tracks 36, 38 may be provided on the inside of the C.
  • the sliding tracks 36, 38 extend in parallel with one another and are adapted to allow two runners 40, 42 of the sliding means 268, 288 to slide.
  • the sliding tracks 36, 38 may be substantially C-shaped and adapted to contain the runners 40, 42.
  • the sliding tracks 36, 38 may be adapted to limit or prevent the movements and rotations of the plane transverse to the relevant sliding tracks 36, 38, thereby allowing translation in a direction perpendicular to the cross section.
  • the sliding means 268, 288 comprise a substantially C-shaped support 44 on which the runners 40, 42 are provided on the internal surfaces of the arms. Connecting elements 46, 48 are provided on the external surfaces of the arms in order to connect to a belt 50, 52.
  • the belt is connected to the connecting element and is moved by means of the movement means 24.
  • the connecting joint 56, 58 which allows the panel to rotate with respect to the support 44 may be provided on the support 44.
  • the runners which are connected to the motor by belts, and which move the solar shielding slide inside the extruded profile.
  • This extruded guide profile is dimensioned, by resistant cross section, according to the height necessary to be shielded and according to the stresses to which it is subjected (wind pressure, material deformations, load variations of the system itself with variation of the solar shielding panel, etc.).
  • two brush faces 60, 62 may be positioned on the extrusion of the guide so as to allow the movement joint of the shielding panel to slide without friction. Moreover, these brush faces may also serve esthetic purposes of closing the open part of the cross section.
  • the bolts of the brackets also have a cover 66 made of aluminum to esthetically close the mechanical fastener 64 with the support 18 for anchoring to the structure of the building facade.
  • the connecting joint 56, 58 may be hooked onto the frame of the panel 264, 284 which may consist of an aluminum profile having a square cross section.
  • the first panel 262, 282 and the second panel 264, 284 may be micro-perforated.
  • the microperforation may consist of holes which have different geometric designs.
  • the perforated surface with perforated surface being intended to mean the total of the surface area of the microholes, may be between 10% and 40% of the surface of the panel.
  • the perforated surface may advantageously be between 15% and 33% of the surface of the panel.
  • the percentage of perforated surface may be dependent on the luminosity conditions of the geographical location where the panel may be used, so as to allow the natural light required for activities inside a building to pass through, even when the panel is in the closed position.
  • the first panel 262, 282 and the second panel 264, 284 may be made of aluminum or an alloy thereof.
  • first panel 262, 282 and the second panel 264, 284 may be made of wire netting, panes of transparent or colored glass, etc.
  • the support structure 18 for the at least one barrier 16 may be adapted to position the barrier at a minimum distance from the building facade 14 of between 40 cm and 80 cm.
  • the support structure 18 for the at least one barrier 16 may advantageously be adapted to position the barrier at a minimum distance from the building facade 14 of between 55 cm and 65 cm, preferably at a distance of approximately 60 cm.
  • the distance between the shielding system and the external casing also allows air which heats up to rise upwards, significantly reducing the free solar gain and therefore the thermal load acting on the glass surfaces.
  • the modular shielding apparatus 12 may comprise a treadable maintenance grid 34, which is provided on the support structure 18 so that it protrudes towards the facade plane 14.
  • the modular shielding apparatus 12 may also comprise a programmable control unit for controlling the opening status of the barrier.
  • the movement means 24 may comprise a motorization means, for example a 230-V electric motor.
  • the electric motor may be provided with an incremental encoder adapted to measure the rotation carried out by the electric motor.
  • the motorization means may advantageously be arranged on the support structure 18.
  • the incremental encoder may use photoswitches adapted to read the number of pulses. It is possible to measure the rotation by counting the pulses and identifying the number of radial lines present on the disc.
  • the electrical pulses thus generated may be used to control the mechanical movements which generated said pulses and the corresponding speed of movement.
  • the encoder may advantageously use the detection of the angular movement together with the principle of photoelectric scanning. It is known that, in an optical rotary encoder, the reading system is based on the rotation of a disc graduated with a radial reticle formed by opaque lines alternating with transparent spaces. The disc is illuminated perpendicularly by an infrared light source. The disc thus projects its image onto the surface of various receivers, which are suitably masked by a further reticle having the same pitch as the previous collimator. The receivers are tasked with detecting the light variations which occur with the movement of the disc, converting them into corresponding electrical variations.
  • the resulting electrical signal is used to generate pulses which are correctly squared and interference-free, and has to be processed electronically.
  • the reading may be carried out in a differential manner, by comparing two signals which are almost identical but out of phase by 180 electrical degrees. The reading is carried out on the basis of the difference between the two signals, thus eliminating any interference which is defined as "common” because it is superimposed equally on every waveform.
  • the incremental encoder provides two waveforms which are squared and out of phase by 90 electrical degrees, which waveforms are called channel A and channel B.
  • Information relating to the rotational speed is obtained by reading just one single channel, whereas, by also acquiring signal B, it is possible to discriminate the direction of rotation based on the sequence of states produced by the two signals.
  • the programmable control unit is programmed to autonomously operate the opening and closing, even partial, of the barrier 16.
  • the apparatus may comprise sensor devices (not shown in the accompanying figures) which are connected to the programmable control unit.
  • the internal temperature sensor may be a wireless photosensor installed in the environment.
  • the external temperature sensor may be a wireless sensor, for example.
  • the presence sensor may also be a wireless sensor.
  • the apparatus may also comprise means for controlling the artificial light.
  • the means for controlling the artificial light may also be, for example:
  • the programmable control unit is adapted to receive the signals from the sensors and is therefore adapted to control the movement of the barrier by means of the movement means which are connected to the encoder.
  • the illumination devices may be automatically switched on based on the effective occupation of the environment that is detected by the presence/occupation sensor. Switching off may however be automatic, for example after 5 minutes of inactivity from the presence sensors.
  • Switching the devices on and off may occur manually at any time by means of the standard switches installed on the walls.
  • the programmable control unit also makes it possible to set the working hours of a typical week and to decide that the illumination devices and the control thereof are operational from Monday to Friday according to the working hours.
  • the programmable control unit also makes it possible to set the working hours of a typical week and to decide that the illumination devices and the control thereof are operational from Monday to Friday according to the working hours.
  • the photosensor installed in the environment may record the level of illumination at specific points of interest inside the premises.
  • the value recorded may be analyzed by the programmable control unit which sends the command to the modbus dimmer to automatically regulate the artificial illumination devices based on the availability of natural light in the environment.
  • the dimmer may advantageously be adapted to automatically switch off the illumination assembly when the fraction of electrical power emitted is less than 30% of the total and the fraction of light emitted is less than 20%. This means that the natural illumination only guarantees the minimum level of illumination required.
  • the temperature sensor located near the premises and the window openings may be adapted to read, at regular intervals, the temperature value outside the building. This value is sent to the programmable control unit which records it. If the external temperature exceeds a defined set-point limit temperature, which depends on the weather conditions of the location and was evaluated during preliminary analysis so as to reduce consumption for cooling the environment, the management and control system activates the shielding apparatus.
  • a message containing the command of when to open or close the barrier elements is sent to the motorization means comprising an encoder which regulates the movement of the barrier.
  • the control unit sends the message to said encoder in the form of a number of pulses that the photosensors have to read. This number of pulses corresponds to an angle of rotation of the motor, which translates in turn to a vertical movement of the mobile joints of the shielding system.
  • the apparatus may arrive on site with the guides and mechanical componentry already installed.
  • the modularity allows the profiles to be easily hooked onto the horizontal supports provided. This thereby guarantees simplicity of mounting, a reduction in the time and costs for construction, total reversibility of the system, and simplicity of maintenance.
  • a modular shielding apparatus has therefore been provided which may be used in modules and is therefore adaptable to the dimensions of the particular building facade.
  • a modular shielding apparatus which may be used both for a single transparent opening, such as a window, and for entire building facades.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Building Environments (AREA)
EP20176154.1A 2019-05-24 2020-05-22 Modulare abschirmvorrichtung für gebäudefassaden Pending EP3741952A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000007191A IT201900007191A1 (it) 2019-05-24 2019-05-24 Apparato di schermatura modulare per facciata di edificio

Publications (1)

Publication Number Publication Date
EP3741952A1 true EP3741952A1 (de) 2020-11-25

Family

ID=67998584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20176154.1A Pending EP3741952A1 (de) 2019-05-24 2020-05-22 Modulare abschirmvorrichtung für gebäudefassaden

Country Status (2)

Country Link
EP (1) EP3741952A1 (de)
IT (1) IT201900007191A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140539A1 (de) * 1991-12-09 1993-06-24 Gartner & Co J Sonnenschutz fuer zweischalige fassadenkonstruktionen
US5549148A (en) * 1994-06-01 1996-08-27 Wrono Enterprise Corp. Blade for accordion storm shutter
US6148895A (en) * 1994-01-10 2000-11-21 Chill Pill, Inc. Hurricane panel
US20160168905A1 (en) * 2014-12-10 2016-06-16 Ome Technology Co., Ltd. Multi-stage sunshade device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140539A1 (de) * 1991-12-09 1993-06-24 Gartner & Co J Sonnenschutz fuer zweischalige fassadenkonstruktionen
US6148895A (en) * 1994-01-10 2000-11-21 Chill Pill, Inc. Hurricane panel
US5549148A (en) * 1994-06-01 1996-08-27 Wrono Enterprise Corp. Blade for accordion storm shutter
US20160168905A1 (en) * 2014-12-10 2016-06-16 Ome Technology Co., Ltd. Multi-stage sunshade device

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IT201900007191A1 (it) 2020-11-24

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