Classifications

• • 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
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B7/00—Roofs; Roof construction with regard to insulation
  • E04B7/16—Roof structures with movable roof parts
  • E04B7/163—Roof structures with movable roof parts characterised by a pivoting movement of the movable roof parts
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B7/00—Roofs; Roof construction with regard to insulation
  • E04B7/16—Roof structures with movable roof parts
  • E04B7/166—Roof structures with movable roof parts characterised by a translation movement of the movable roof part, with or without additional movements

Definitions

• the present invention relates to the technical field of installations for covering and uncovering a surface using orientable slats extending parallel to one another in order to constitute a protective screen or for closing a surface in the general sense, these slats orientable having the possibility, in the deployed position relative to the surface, of opening or closing depending in particular on climatic conditions.
• the object of the invention aims at numerous applications to constitute in particular a covering of a roof forming part of pergolas or terraces for example, or a protective screen for doors or windows.
• These blades are moved in translation between a stowed position in which the blades are contiguous to each other in their open position and an extended position in which the blades are deployed above the surface.
• Sensors are used to determine the orientation of the blades and the movement of the blades.
• These sensors, the displacement system and the orientation system are connected to a control device controlling the translation of the blades and the orientation of the blades.
• the present invention aims to remedy the drawbacks of the prior art by proposing an installation for covering and uncovering a surface, using orientable blades, adapted to operate even in the event of strong winds while remaining of simple design.
• Another object of the invention aims to provide an installation making it possible to quickly cover the surface in the event of rain showers.
• the installation for covering and uncovering, using adjustable slats, a surface delimited by a supporting structure comprises:
• Each blade is supported by its pivot axes using a set of a first carriage and a second carriage, guided in translation along guide tracks;
• a system of orientation of the slats adapted to ensure the pivoting of at least some of the slats in order to occupy a closed position or an open position of the corresponding surface
• a control device connected to the sensors, to the displacement system and to the orientation system for translating at least a portion of the blades and orienting said blades.
• the control device controls the displacement system and the orientation system for on the one hand, defining from the stowed position of the slats, a transition zone in which each of the slats exiting its stowed position passes from its upright open position to its closed position and vice versa for each of the slats arriving at its stowed position, and on the other hand, ensure the translational movement of the slats in the closed position outside the transition zone .
• the installation according to the invention may further include in combination at least one and / or the other of the following additional characteristics:
• control device controls the movement system and the orientation system so that for each blade during deployment or storage, the distance between the pivot axis of the blade during deployment or storage and the the pivot axis of the neighboring blade, stored in the upright open position, changes between a minimum spacing value and a maximum spacing value during its travel over its transition zone;
• control device controls the displacement system and the orientation system so that for each blade being deployed or stored, the maximum separation value during its travel over its transition zone is substantially equal to the closing distance;
• control device controls the displacement system so that outside the transition zone, the deployed blades are moved by being spaced two by two by a distance equal to the closing center distance;
• control device controls the movement system and the orientation system so that each blade in the transition zone follows a regular orientation course to go from its open position to its closed position and vice versa;
• the control device controls the orientation system so as to place each blade in the closed position before the translational movement of said blades;
• the displacement system comprises, for each pair of carriages fitted to a blade, at least one displacement motor, one embedded in a carriage and driving a pinion in rotation cooperating with a rack mounted on the supporting structure in a direction parallel to the guide track, each pinion cooperating with a pivot axis to translate the pivot axis of the blade;
• the displacement motors each drive in rotation, a pinion cooperating with a rack mounted on the supporting structure in a direction parallel to the guide track;
• the orientation system comprises, for each pair of carriages fitted to a blade, at least one orientation motor on board at least one of said carriages and angularly connected with the pivot axis;
• the displacement motor and the orientation motor are mounted on the same trolley, these trolleys equipped with these motors being mounted alternately from one blade to another, depending on each side of the surface to be covered or to discover;
• each carriage equipped with a displacement motor and a slewing motor comprises a main body supporting the displacement motor and the slewing motor, the main body being provided with a rotating guide system d 'a tubular shaft equipped with a pinion and driven in rotation by the moving motor, the pivot axis being mounted inside the tubular shaft being driven in rotation by the orientation motor and mounted integrally in blade rotation.
• Figure 1 is a perspective view of an embodiment of an installation according to the invention in which the blades are all stored in the upright position.
• Figure 2 is a perspective view of an exemplary embodiment of an installation according to the invention in which part of the slats is being deployed in the closed position and of which another part of the slats is still stored. in an upright position.
• Figure 3 is a sectional view of the installation showing an example of orientation of the blades in the deployed position.
• Figures 4A-4E are elevational sectional views showing the deployment of the head blade from a stowed position in an upright position to a closed extended position.
• Figures 5A-5D are elevational sectional views showing the deployment of the second blade from a stowed position in an upright position to a closed extended position.
• FIG. 6 is a partial perspective view showing an exemplary embodiment of a system for moving the blades and a system for orienting the blades.
• Figure 7 is an elevational sectional view showing the displacement system illustrated in FIG. 6.
• Figure 8 is an elevational sectional view showing more precisely the orientation system of the blades.
• the object of the invention relates to an installation 1 for covering and uncovering a surface 2 by a series of orientable blades 3 extending one behind the other, preferably all being identical and parallel to one another along their axis. longitudinal.
• Each orientable blade 3 has a general shape rectangular delimited by a first longitudinal edge 3i and a second longitudinal edge 3 2 parallel to each other and interconnected by first and second end edges 33 and 34 also parallel to each other.
• the number and dimensions of the orientable slats are adapted to the dimensions of the rectangular surface 2 to be covered.
• the orientable blades 3 are able to form together a screen or a curtain of rectangular shape delimited on the one hand by the longitudinal edge 3j. of the first blade 3 and by the longitudinal edge 3 2 of the last blade 3 and on the other hand, by the set of the first end edges 3 3 of the blades aligned together and by the set of the second end edges 34 blades aligned together.
• the blades 3 are provided at each of their end edges with a pivot pin 4 in order in particular to allow their orientation.
• the installation 1 comprises a mechanism I for orienting the blades 3 along their pivot axis 4 in order to ensure the pivoting of at least some and in general all of the blades 3 so that the longitudinal edges 3i , 3 2 of the neighboring blades are contiguous to close the corresponding surface or are non-contiguous to open the surface 2.
• the orientable blades 3 can take various angular positions.
• the slats 3 occupy a closed or flat position to form a screen insofar as the longitudinal edges 3i, 3 2 of the slats are contiguous with the longitudinal edges of the neighboring slats.
• the slats 3 are deployed above the surface, occupying an upright open position, that is to say a vertical orientation offset by 90 ° relative to the closed position or flat.
• Fig. 3 also shows, by way of illustration only, blades 3 in the open position in various orientations.
• the installation according to the invention also comprises a system II for moving the blades 3 between a stowed position (Fig. 1) and a deployed position facing the surface 2 (Fig. 2 and 3).
• a system II for moving the blades 3 between a stowed position (Fig. 1) and a deployed position facing the surface 2 (Fig. 2 and 3).
• the slats 3 are stuck to each other between a slat of head 3a and a storage edge 5i of a supporting structure or frame 5.
• the head blade 3a is the first blade taken into consideration of the direction of deployment of the blades represented by the arrow F for which the blades pass from the stored position to the deployed position,
• the head blade 3a is the blade moved first while all the blades are in the stowed position.
• the movement system II allows the successive deployment of the blades 3 after the exit of the head blade 3a.
• the next blade is moved, of course with the continued movement of the head blade 3a.
• the next blade is also moved with the continued movement of the head blade and the second blade, and so on until the number of blades to be deployed.
• the slats are translated by being separated two by two by a spacing step called the closing center distance E.
• the closing center distance E allowing the slats to be contiguous when they occupy the closed or flat position.
• the movement system II also allows the movement of the slats 3 in a storage direction represented by the arrow Fl, for which the slats 3 pass from the deployed position to the stowed position.
• the slats 3 In the stowed position, the slats 3 cannot be oriented and the slats 3 occupy the upright open position, i.e. the slats are located in parallel planes substantially perpendicular to the surface 2, namely verticals in the example shown.
• Systems I and II ensure the movement and orientation of the slats 3 so that they together form at least one protective screen opening and closing at will.
• this screen forms a roof or a protective shutter that can completely cover surface 2 or only part of surface 2, with the possibility of orientation of the slats on demand when the slats are not in the stored position .
• the installation 1 also comprises two guide tracks 8 providing translational guidance for the blades 3 between a stowed position in which the blades are contiguous to each other (Fig. 1) and a deployed position in which at least a part or all of the blades 3 are deployed facing the surface 2 (Fig. 3).
• the guide tracks 8 are arranged on the supporting structure of the frame 5 produced in any suitable manner depending on the intended applications and surrounding the surface 2 to be covered to advantageously form a frame.
• This supporting structure 5 advantageously comprises two longitudinal sections 5 2 and 5 3 extending parallel to each other along two opposite sides of the surface 2 and parallel to the guide tracks 8. These two longitudinal sections 5 2 and 5 3 are connected to each other to their ends, by connecting profiles 5i and 5 together forming a frame delimiting the surface 2.
• One of the connecting profiles 5 4 delimits the abutment edge for the longitudinal edge 3i of the first blade, namely the head blade 3a while the other section 5i delimits the storage edge for the longitudinal edge of the last blade 3.
• the first blade and the last blade are taken into account of the direction of deployment of the blades represented by the arrow F for which the blades pass from the stowed position to the deployed position.
• the installation 1 according to the invention is intended to be fixed by any suitable means on a supporting structure suitable for the intended application.
• the supporting structure 5 comprises posts 5p supporting the frame formed by the connecting profiles and the longitudinal profiles.
• the orientation system I and the displacement system II for ensuring the movement and orientation of the blades 3 can be produced in any suitable manner using motorized systems for moving in translation and in rotation the blades 3.
• the following description repeats the description of the systems described by patent FR 3,027,334, but it is clear that the displacement and orientation systems can be different so as to comply for example with those described by patent application WO 2017/178757.
• Each blade 3 is supported at each of its ends more precisely by its pivot axes 4, by a set of two carriages 10i, 10 2 guided in translation along the guide tracks 8. As emerges more precisely from FIGS. 6 to 8, each blade 3 is therefore supported by its pivot axes 4, with the aid of two carriages 10i, 10 2 moving in translation along the guide tracks between the stored position and the deployed position.
• each carriage 10i, 10 2 is equipped with a guide bearing 11 cooperating with a guide track 8.
• the displacement system II comprises for each pair of carriages 10i, 10 2 fitted to a blade, at least one displacement motor 12 mounted on a carriage and advantageously two displacement motors 12 each mounted on a carriage.
• each blade 3 is advantageously motorized by two motors to balance the forces applied to the blades 3.
• the displacement motors 12 are electric motors, for example with brushed direct current, connected to a power source. electrical via connection cables not shown.
• the orientation system I comprises for each pair of trolleys fitted to a blade, at least one and in the example illustrated, a single orientation motor 14 on board one of the two carriages 10i and 10 2 fitted to a blade. 3.
• Each orientation motor 14 is angularly connected with an axis of pivoting 4 to place the blade 3 in a determined angular position upright (perpendicular to the surface 2, namely vertical in the case of a pergola), closing (in a horizontal position) or intermediate taken between these two vertical and horizontal positions.
• each blade 3 is therefore supported, at one of its ends, by a first carriage 10i only carrying a displacement motor 12 and, at its opposite end, by a second carriage.
• IO2 embedding a displacement motor 12 and an orientation motor 14.
• the second carriages 10 2 provided with a displacement motor 12 and an orientation motor 14 on the one hand and the first carriages 10i provided with a displacement motor 12 on the other hand are mounted alternately from one blade to the other on each side of the surface 2 to be covered or uncovered.
• the first and second carriages are mounted alternately along each longitudinal side of the supporting structure.
• Each carriage 10i, 10 2 has a main body 15 of generally elongated parallelepiped shape extending mainly along the pivot axis 4.
• the bodies 15 of the first and second carriages are not identical in order to save space in position. row.
• the main body 15 of the second carriages 10 2 have a length taken in the direction of extension of the blades 3, which is shorter than that of the main body of the first carriages 10i.
• the displacement motor 12 is mounted at the level of the end of the main body 15 of the first carriages 10i, thus allowing this main body 15 to have a narrowed shape to receive the main body of a second carriage 10 2 .
• the main bodies 15 of the first and second carriages are nested in each other in the stored position.
• each displacement motor 12 is mounted in any suitable manner on the main body 15 of each carriage 10i, 10 2 .
• Each displacement motor 12 rotates a pinion 17 driving a blade in translation 3.
• Each pinion 17 cooperates with a rack 18 mounted on the supporting structure 5 in a direction parallel to the guide track 8 and along the entire length of the track guide to allow the blades to move between their stored and deployed positions.
• each rack 18 is produced by a toothed belt fixed to the supporting structure 5.
• each rack 18 is mounted on the upper face of a central partition 5a presented by each longitudinal section 5 2 , 5 3 .
• each longitudinal section 5 2 , 5 3 has a web 5b extending horizontally and from which rises the middle partition 5a and on either side, an external wing 5c and an internal wing 5d.
• the middle partition 5a is equipped with the guide track 8 produced below the external face receiving the rack 18.
• the guide track 8 is produced by a circular profile rail extending partly in a housing fitted in the partition to allow mounting of the guide bearing 11.
• each longitudinal section 5 2 , 5 3 is produced by extrusion.
• the profiles can be assembled end to end at will to adapt to the dimensions of the surface 2 to be covered.
• the middle partition 5a and the inner flange 5d define between them a gutter 5e directly above which extend the end edges of the blades to possibly collect rainwater.
• each guide bearing 11 is connected to the main body 15 of the carriages 10i, 10 2 by means of a connecting pin 20 preferably removable in nature.
• the connecting pin 20 extends substantially perpendicular to the rail 8.
• the connecting pin 20 is mounted to pass through the main body 15 and the bearing 11 from one side, resting by a head 21 on the body 15 and by being blocked in translation by a locking element 22 such as a nut bearing on the underside of the guide bearing.
• a spring 23 is engaged on the connecting pin 20 and interposed between the main body 15 and the guide bearing 11 in order to compensate for manufacturing and assembly tolerances.
• Fig. 7 illustrates more precisely an exemplary embodiment of the first carriages 10i each only carrying a displacement motor 12.
• Each first carriage 10i comprises a central bore 30 equipped with a system 31 for guiding the pivoting axis 4 of the blade in rotation. .
• the pivot axis 4 is driven in rotation by the displacement motor 12, the output shaft of which cooperates with a toothed wheel 33 fixed angularly on the pivot axis 4.
• the pinion 17 is angularly connected to the pivot axis. 4 and cooperates with the rack 18.
• the pivot pin 4 is freely engaged inside a housing 32 provided in the blade 3.
• the rotation of the displacement motor 12 in one direction or the other direction makes it possible to move in translation, along the guide track 8, the carriage lOi by the pinion 17 / rack connection 18.
• the translation of the carriage 10i causes the movement of the corresponding blade 3, because of the translational connection between the pivot axis 4 and the blade 3 by the free engagement of the pivot axis 4 in the housing 32 of the blade.
• Each pinion 17 cooperates directly with a pivot axis 4 (since they are integral) so as to drive the pivot axis 4 of the blade 3 in translation, by the pivot connection made between the blade 3 and the pivot axis 4.
• Figs. 7 and 8 illustrate more precisely an embodiment of the second carriages 10 2 embedding both a displacement motor 12 and an orientation motor 14.
• Each second carriage 10 2 comprises a bore 40 equipped with a guide system 41 in rotation for a tubular shaft 42 inside which is freely engaged a pivot pin 4.
• a pinion 17 which cooperates with the rack 18 is angularly connected to this tubular shaft 42 which is driven in rotation by a toothed wheel 44 fixed on the 'tubular shaft 42 and meshing with the output shaft of displacement motor 12.
• the rotation of the tubular shaft 42 leads to the translation of the second carriage IO2 causing the translation of the blade whose pivot axis 4 is pushed during the translation of the carriage.
• Each pinion 17 cooperates indirectly with a pivot axis 4 in order to drive the pivot axis 4 of the blade 3 in translation, by the pivot connection made between the tubular shaft 42 and the pivot axis 4.
• the pivot axis 4 is driven in rotation by the orientation motor 14 whose output shaft cooperates with a toothed wheel 47 fixed in rotation with the pivot axis 4 whose opposite end is engaged with inside the housing 32 and angularly linked to the blade using, for example, connecting pins 48.
• the pivot pin 4 is thus mounted to rotate freely inside the tubular shaft 42 and can be oriented. at will in a stable position determined using the orientation motor 14.
• the installation 1 also includes sensors 50 for the position and movement of the blades 3. Such sensors 50 make it possible to know the position of each of the blades 3 at any time throughout their journey on the guide track. Such displacement position sensors 50 can be produced in any suitable manner.
• the position and displacement sensors 50 comprise contact sensors each mounted on a carriage 10i, 10 2 and capable of being actuated by a stop carried by the carriage located upstream in the direction of exit of the blades or by the supporting structure for the carriage of the last blade in the exit direction. These contact sensors make it possible to identify the position of the slats and in particular in their stored position.
• the displacement sensor 50 also includes sensors (not shown) for measuring the rotation of the displacement motors 12, such as encoders. These displacement sensors make it possible to know the linear displacement of the carriages 10i, 10 2 along their guide track 8.
• the position and displacement sensors 50 also include sensors for measuring the rotation of the orientation motors 14 allowing to be able to know the angular orientation of the blades 3.
• the position and displacement sensors 50 also include sensors for detecting the direction of orientation of the blades.
• the installation 1 also comprises a control device 60 connected to the position and displacement sensors 50, to the displacement system II and to the orientation system I making it possible to move in translation at least part of the blades 3 and to orient said translated blades.
• a control device 60 thus makes it possible to control the operation of the displacement motors 12 and of the orientation motors 14 so as to make it possible to cover and discover one or more areas of the surface 2 either on demand or as a function of programs. pre-recorded.
• the control device 60 controls the displacement system II and the orientation system I so that each blade, leaving its stowed position, can pass from its upright open position to its closed position, considering that this passage between its two orientation positions is carried out in a transition zone Ev.
• Figs. 4A to 4E explain this operating mode when the head blade 3a is deployed.
• Fig. 4A illustrates by way of example, four blades 3 in the stored position oriented in the upright open position.
• the control device 60 controls the operation of the displacement motor 12 and of the orientation motor 14 fitted to this head blade 3a as illustrated in FIGS. 4B to 4E simultaneously ensure the translation of the blade 3a and its tilting to bring it into its closed or flat position.
• the head blade 3a has been rotated by an alpha angle substantially equal to 90 ° and translated onto a zone called the transition zone Ev.
• the distance or center distance Ei between the pivot axis 4 of the head blade 3a and the pivot axis 4 of the neighboring row blade 3, changes during the travel of the blade on the transition zone Ev.
• the distance Ei presents a minimum separation value while when the head blade 3a reaches its closed position, the distance Ei has a maximum separation value.
• the distance Eî has a maximum separation value equal to the closing center distance E. It is recalled that the closing center distance E corresponds to the spacing between the axes of two neighboring blades deployed allowing these blades to be contiguous when they occupy the closed or flat position. As shown in Fig. 4E, the distance Ei is equal to the closing center distance E when the head blade occupies its closed position.
• the control device 60 controls the operation, on the one hand, of the displacement motor 12 of the head blade 3a so that this blade can move. head 3a continue its movement in its closed position and on the other hand, the displacement motor 12 and the orientation motor 14 of the following blade in the stowed position.
• the control device 60 controls the operation of the displacement motor 12 and of the orientation motor 14 fitted to this second blade, as illustrated in FIGS. 5A to 5D, ensure the translation of the blade 3 and its tilting to bring it into its closed position. Between its initial upright opening position and its closed position, this second blade 3 has been translated onto its transition zone Ev.
• the center distance Ei between the pivot axis 4 of the second row blade 3 in the upright opening position and the pivot axis 4 of the neighboring third row blade 3, evolves over the transition zone Ev between a minimum value d 'spacing and a maximum value of spacing advantageously equal to the closing center distance E.
• the second blade in the closed position, is spaced from the third row blade, by a value equal to the closing center distance. It should be noted that this second blade 3 always remains distant from the head blade 3a by a distance equal to the closing center distance E.
• the deployment of each of the blades occupying the stored position is carried out successively according to the same principle described above in relation to the head blade and the first blade. At the end of the transition zone, the slats are thus translated into the closed position, being separated two by two by the closing center distance E.
• the controller 60 stops the control of the displacement motors 12 so that the blades are deployed above the surface.
• the control device 60 can then optionally control the orientation motors 14 fitted to the deployed blades to allow individual orientation of said blades.
• the slats can be kept oriented in the closed position to together form a screen or a closing flap.
• each blade coming out of its stowed position is at the end of its transition position, moved in flat translation to its final position, each blade having reached its final position can possibly be oriented according to an angulation. determined.
• control device 60 controls the orientation system ⁇ so as to place each deployed blade in the closed position before the translational movement in the direction of storage of said blades. Indeed, the stowage of the deployed slats is carried out only if the deployed slats occupy the closed or flat position.
• control device 60 controls the displacement system II, that is to say the displacement motors 12 of the blades deployed to ensure the translation of the blades in the direction of storage while these blades are in the closed position.
• control device 60 controls the operation of the orientation motor 14 fitted to the deployed blade furthest from the head blade 3a, to ensure the start of the rotation. transition zone Ev, its tilting and bring it to its upright opening position at the end of the transition zone Ev. Each subsequent slat is arranged successively according to the same principle.
• control device controls the displacement system II and the orientation system I so that each blade in the transition zone Ev follows a regular orientation course to pass from its position of. opening to its closed position and vice versa.
• the displacement of the blades in the closed or flat position makes it possible to reduce the resistance to displacement with respect to the wind.
• the first of the slats stored in the upright open position acts as a wind deflector.
• the deployment of the blades in the closed or flat position allows faster surface coverage compared to deployment of the blades in the upright position followed by a pivoting of the deployed blades.
• control device includes a calibration mode allowing the installation to position the blades 3 in a defined position in order to mark their position.
• the control system controls, before any first use, the motors 12, 14 in order to place the different blades 3 in the stored position with an upright orientation.
• the position of the slats 3 in the stored position is identified by the contact sensors.

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• 2019
  • 2019-02-28 FR FR1902061A patent/FR3093339B1/fr active Active
• 2020
  • 2020-02-27 WO PCT/FR2020/050393 patent/WO2020174195A1/fr unknown
  • 2020-02-27 EP EP20720109.6A patent/EP3931408A1/de not_active Withdrawn
  • 2020-02-27 US US17/434,118 patent/US20220120088A1/en active Pending

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