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
  • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
  • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
• • 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
  • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
  • E06B2009/2643—Screens between double windows

Definitions

• the present invention relates to an integrable blind in a double glazing.
• a blind mechanism included inside a double glazing driven by an electric motor and controlled outside this double glazing.
• so-called double-glazed windows are increasingly used because of their great property of thermal insulation by conduction and sound insulation.
• double glazed windows comprise two generally transparent parallel windows spaced by a volume of dry air or neutral gas. These so-called double-glazed windows are generally surrounded by a frame sealing the internal cavity thus formed.
• blinds on the inner side to the windows.
• the blinds use a valuable place, which reduces to the price of the square meter of real estate for example induce losses important.
• these interior blinds are subjected to radiation and their temperature rises rapidly. By radiation, conduction and convection these blinds in turn raise the air temperature of the room which goes against the overall effect sought by a blind.
• blinds comprising windings around pulleys retaining son of the blind.
• windings create jamming and a variation of the useful diameters of these pulleys which generates inaccuracies and blockages making the mechanism not sufficiently reliable.
• windings of metal ribbons of very thin thickness These windings create a spring effect that it is virtually impossible to cancel and restrict the use of such systems to the transmission of significant efforts.
• the current blinds use two distinct mechanisms: one to ensure the orientation of the slats, and another to ensure the vertical displacement of the slats. These two systems are difficult to place in a small footprint as in the internal space of a double glazed pane.
• the transposition of the existing blind mechanism systems does not make it possible to design a blind totally integrated inside a double glazing and offering the possibilities of controlling the lifting of the awning to the thus requests that the remote control of the desired inclination of the blind slats.
• the invention thus overcomes the prejudice that consists in believing that the space between the two faces of the double glazing is too small and that the current systems are not reliable enough to be able to include inside the whole of the mechanism allowing the control of the movement of the blind and the inclination of the slats.
• the invention solves the problems stated above by proposing an integrable blind in a double-glazing unit, characterized in that it comprises a succession of lamellae of section at most equal to the cross-section of the internal space of the double glazing, these slats being connected to each other by at least two pairs of flexible son on which the slats are fixed successively at regular intervals, the two son of the same pair being fixed on or near the same longitudinal edge of each of lamellae different from that on or near which are fixed the two son of the other pair, and in that the two son of the same pair are fixed by one of their end to drive means so to pass the slats:
• the device according to the invention may have the additional elements and / or features described hereinafter, taken alone or in combination:
• one of the two pairs of wires is connected directly to the drive means while the other pair of wires is connected to these same drive means via a retarder designed so that the change of direction of the drive causes a change in the orientation of the slats.
• the drive means are carriages driven in translation by the rotation of a worm
• the self-timer is a rotation retarder composed of at least two parallel plates rotating along the axis of rotation of the two worm.
• the first plate is attached to the first worm and the second plate is attached to the second worm.
• the two trays are placed vis-a-vis. Each tray includes a drive stud placed peripherally. When the first plate drives the second plate the two pins are in contact. If the first platter stops and rotates in the opposite direction then the second platen remains in position until the first platter has practically a full revolution to drive the second platter in the other direction.
• a movement reduction gear (also called hauling) is placed at each carriage so that the displacement of each pair of son is multiplied by a coefficient 2 n (n being a positive integer), relative to the displacement of each corresponding carriage .
• the slats are connected to each other by four thin son attached to the four corners of each slat.
• control wires allow lifting and tilting of the upper lamella. These wires are attached to the four corners of the top lamella.
• the upper blade is heavier and stiffer than other lamellae to ensure sufficient tension of the control son and that the slats do not bend. Indeed it is possible to bind the slats together for example about every 25 centimeters so that it does not flex in the direction of the length. In this case the first lamella must be stiffer in order to be able to support all the assembly.
• the upper blade is metallic, for example aluminum or steel, while the other blades are plastic.
• the mechanism comprises four free mounted pulleys placed in the upper corners of the double glazed pane:
• the mechanism comprises two pulleys mounted free and placed in the two lower right corners:
• the left inner wire travels upward around the upper inner left pulley then crosses the full width of the glass and joins the right inner wire.
• the two son together at the upper right inner pulley descend together along the right side of the window, and are guided by the inner lower right pulley to return horizontally to be secured to a first carriage.
• the left outer thread travels upwards around the left outer upper pulley and then crosses the entire width of the glass and joins the right outer thread.
• the two son together at the upper right outer pulley descend together along the right side of the window, and are guided by the right outer lower pulley to return horizontally to be secured to a second carriage.
• the right inner thread and the inner left thread do not have the same length.
• the difference in length is approximately equal to the width of the double glazed pane - the right outer thread and the left outer thread do not have the same length.
• the difference in length is approximately equal to the width of the double glazed pane
• the mechanism further comprises a worm rotated by an electric motor cooperating with a threaded orifice of the first carriage so that when the worm rotates, the first carriage moves laterally.
• the pitch of the worm is such that the drive is not reversible, that is to say that the lateral movement of the carriage due to the tensile force of the son can not drive the rotating screw, this which makes that if the worm is not rotated, the first carriage has a stable position and thus the inner longitudinal edge of each blade also has a stable position.
• the mechanism also comprises a second worm cooperating with a threaded orifice of the second carriage so that when the worm rotates, the second carriage moves laterally.
• the pitch of this worm is such that the drive is not reversible, that is to say that the lateral movement of the second carriage due to the tensile force of the son can not cause the second auger in rotation, so that if the worm is not rotated, the second carriage has a stable position and therefore the outer longitudinal edge of each lamella also has a stable position.
• the mechanism also comprises a particular connection connecting the two worm and comprising a rotation retarder.
• the first worm is connected to the motor directly or via a gearbox.
• the control box comprises two push buttons or switches respectively controlling the rise and fall of the blind.
• a safety circuit is interposed in such a way that if you press both buttons at once nothing happens.
• the circuit is such that the speed of the motor is reduced at the beginning and / or at the end of rotation of the motor, in order to have a better control precision.
• At least one switch acting as a stop is placed at the end of travel of one of the two carriages to stop the movement of the carriages and therefore the blind.
• a semicircle-shaped guide is placed on the upper blade for guiding the fine wire to impose a longitudinal rotation torque to the upper blade throughout this rotation.
• This guide can be placed in the side uprights of the double-glazed pane, the radius of this semicircle is less than the internal distance between the two windows of the double glazing.
• the blind being placed in the maximum upward position, while maintaining a defined tension on the control son and without counting on excessive precision of the switches acting as a stop, the last slat is attached to the lower part of the double glazed pane at its four corners by four tension springs, -
• the outer surface of the lamellae (surface facing outwards) comprises a reflective surface for discharging a portion of the heat energy by radiation to the outside.
• an exchanger placed on the upper part of the double-glazed pane makes it possible to extract the calories formed inside the double glazed pane
• the upper part of the double-glazed pane is constituted by a heat exchanger made of a metal material which is a good heat conductor, in the form of fins, which makes it possible to promote the heat exchange between the inside and the outside of the window; double glazed window,
• the dry gas occupying the internal cavity of the double-glazed pane is a relatively heavy gas and has good caloric transport properties (density and specific heat).
• a gas with high density and high specific heat makes it possible to evacuate more quickly and more efficiently the calories coming from the temperature rise of the slats of the blind and thus to raise more heat energy upward to exchange these calories. with the outside air.
• This exchanger comprises a set of fins conductive alloy heat.
• This exchanger is ventilated by air from outside, flowing along the fins and outward outward.
• a cowling allows to channel the flow of ventilation air.
• this cowling comprises the cooling fins, an outside air intake, an outward air outlet and a fan forcing the air to flow from the inlet of the cowling, along the cooling fins, then towards the outside. the exit to the outside.
• the invention is not limited to vertical double-glazing such as those used in windows. Indeed, she also relates to double glazing used in many other applications and may have an inclination of between 0 ° and 60 ° relative to the vertical.
• these double-glazings can be used for example on roofing frames, for example of the "Velux” type (registered trademark) or even on solar collectors (to protect the sensor against excess solar radiation. the blind may be slaved for example to the temperature of the solar collector.
• FIG. 1 schematically represents a first principle of attachment of the lamellae according to the invention
• Figure 2 schematically shows a second principle of attachment of the slats according to the invention.
• Figure 3 schematically shows a third principle of attachment of the slats according to the invention.
• FIG. 4a shows a schematic cross section of a double-glazing unit according to the invention, the slats being stored in the low position.
• FIG. 4b represents a schematic section of a double-glazing unit according to the invention, the blind being in the deployed position in which some of the slats are deployed
• FIG. 5 shows in perspective a detailed view of the mechanism according to the invention.
• FIGS. 6a to 6c schematically represent the position of the cooling fins with respect to the upper part of the double-glazed pane.
• FIG. 1 shows an exemplary driving architecture of a set of blind slats, according to the invention, from the movement of two control carriages C1 and C2, these slats being included in the sealed space of FIG. a double glazed window.
• Thin wires connect the four corners of each slat.
• the upper strip 11 is connected at its four corners to four fine wires controlled by the mechanism located in the lower part of the double-glazed pane. These four wires are here called fi straight inner wires, left inner wires fl, right outer wire O, and left outer wire f4.
• Six pulleys are arranged in the following way:
• the two inner wires fl and fi are connected to a carriage C2 and the two outer wires are connected to a carriage C1 as follows.
• the wire O travels and passes through the grooves of the pulleys P2, P1, and P5 before reaching the carriage C1; the wire f4 travels and passes through the grooves of the pulleys P1 and P5 before rejoining the carriage C1
• FIG. 2 represents another drive architecture of a set of blind slats, according to the invention, from the movement of two control carriages C1 and C2, these slats being included in the sealed space of a window double-glazed according to the invention.
• the mechanism is placed in the lower part of the sealed cavity of the double glazing.
• four lamellae are represented (11 to 14). Thin wires connect the four corners of each slat.
• the upper strip 11 is connected at its four corners to four fine wires controlled by the mechanism located in the lower part of the double-glazed pane. These four wires are here called fi right inner wires, left inner wires fl, right outer wire fi, and left outer wire f4. Six pulleys are arranged in the following way:
• the wire f4 travels and passes in the grooves of the pulleys P1, P2 and P7 before rejoining the carriage C1
• the slats move vertically without changing. tilt, on the other hand if the movement of a carriage is different from that of the other carriage then the slats will have a different orientation.
• a motor M located in the lower sealed space of the double-glazed window rotates through a gear reducer, an endless screw 10 p.
• This worm 10 drives the carriage C1 in translation through a threaded orifice placed inside the carriage C 1.
• the motor M is a DC motor operating in both directions according to the polarity of the voltage applied to the motor terminals.
• the worm 10 is connected to the input of a retarder which is composed here of four parallel plates having a drive stud passing through each plate on its periphery.
• a second endless worm 20 with pitch p is connected to the output of the retarder, this worm 20 drives a carriage C2 in longitudinal translation, so that
• the lamellae By stopping the motor power supply, the lamellae are held in the position they occupied when the power supply was turned off. Their position is fixed since the worm movement is not reversible. For change the orientation of the slats just power for a moment the engine with a reverse polarity. To lower all the slats simply maintain the power of the motor with the same reverse polarity.
• FIG. 3 presents another exemplary embodiment according to the invention.
• a DC electric motor having a traversing axial shaft directly rotates a rod t2 and, via a mechanical retarder R a rod tl.
• These two rods t1 and t2 rotate two lateral threaded tubes tfl and tf2 through two gear angle gears.
• These two threaded tubes are used as worm and drive two Cl and C2 carriages. These two carriages in turn drive the two pairs of son respectively fl, f4 and f2, f3.
• Figure 4a shows a schematic section of the lower part of a double glazing equipped with a blind according to the invention in the initial position.
• the two panes V1 and V2 are assembled by a sealed frame 40.
• the motor M is placed longitudinally in the lower part inside the double glazed pane.
• the slats are stored on top of each other in the lower part of the double glazed pane.
• Figure 4b shows the slats of the blind when the blind is at the beginning of its rise.
• a circular dial 50 to control the movement of the top lamella and to be sure that by imposing a variation in distance of the inner and outer son is mainly created a torque rather than a vertical force.
• FIG. 5 shows in greater detail an example embodiment of the lower part of a mechanism according to the invention, the general architecture of which is shown in FIG. 2. It is possible to see the motor M, the gear reducer 41, the screw without end 10, the carriage C1, the retarder 30, the worm 20, the carriage C2, the pulleys P6 and P7. Since the windows are often higher than wide, it is necessary to increase the value of the displacement of the wires relative to the displacement of the carriages.
• a hoist system was placed on each trolley for this purpose. Two vertical pulleys 31, 32 were placed on the carriage C1 and two vertical pulleys 33, 34 were placed on the carriage C2. Two horizontal pulleys 34 and 35 are fixed to the structure.
• the pair of threads f3 and f4 is connected to the fixed part of the structure after having passed around the pulleys 31, 34 and 32 while the pair son fl and f2 is connected to the fixed part of the structure after being passed around the pulleys 33, 35 and 34.
• This architecture makes it possible to produce double-glazed windows with an integrated blind for double-glazed windows having a height maximum substantially equal to twice the width at the maximum. If the height exceeds twice the width, it is possible to place an additional pulley in order to obtain an eight or even sixteen coefficient of reduction, or to place all or part of the mechanism in a lateral part of the double-glazed pane.
• FIG. 6a to 6c show schematically cooling fins 51 placed on the upper part of a double-glazed pane.
• the seal (52) is schematically shown in FIG. 5b and 5c.
• Figure 5c there is shown a cooling box 53 surrounding the cooling fins.
• Figure 7 shows a side view of the cooling box 53 where it is possible to see the inlet ports 54 and outlet 55 of the cooling air.
• FIGS. 8a and 8b are a sectional and lateral view of a cooling box 53 situated at the upper part of a double-glazed pane and comprising cooling fins 51 and a fan 56 forcing the outside air to circulate in the cooling box between the inlet 54 and the outlet 55.
• FIGS. 2, 4a, 4b, and a set of n slats 11 to In are placed horizontally stacked on top of one another in the lower part and inside the watertight compartment. a double glazed window.
• the slats are thin with a substantially rectangular shape. They are curved to prevent it from bending too easily.
• the slats are connected to each other in their four corners by thin threads. These threads form a ladder into which each slat can be threaded. So that the blind does not let light between the slats, when the blind is in the fully closed position the slats overlap slightly.
• the connecting wires between the lamellae are slightly shorter than the width of the lamellae.
• Four control wires fl, f2, O and f4 make it possible to raise and to incline the upper lamella 11. These wires are attached to the four corners of the upper lamella. These four wires are here called right inner wires f2, inner left wires f 1, right outer wire O and left outer wire f4.
• the upper blade is heavier than the other lamellae to ensure a sufficient and almost constant tension of the control wires. For this reason the upper lamella is made of steel while the other lamellae are made of plastic.
• the right inner thread and the inner left thread do not have the same length. The difference in their length is approximately equal to the width of the double glazed pane.
• the right outer thread and the left outer thread do not have the same length. The difference in length is approximately equal to the width of the double glazed pane.
• the right inner wire and the inner left wire are always moved in the same way so that the longitudinal edges of the slats remain substantially horizontal.
• the right outer thread and the left outer thread are always moved in the same way so that the longitudinal edges of the slats remain substantially horizontal.
• a mechanism makes it possible to control the ascent and descent of the blind as well as the inclination of the slats.
• This mechanism includes:
• the mechanism comprises two free mounted pulleys and placed in the two lower right corners:
• the left inner wire travels upward around the upper left inner pulley and then crosses the full width of the glass and joins the right inner wire.
• the two son together at the upper right inner pulley descend together along the right side of the window, and are guided by the inner lower right pulley to return horizontally to be secured to a first carriage Cl.
• the left outer wire travels upward around the left outer upper pulley and then crosses the full width of the glass and joins the right outer wire.
• the two sons thus united at the level of the upper outer right pulley descend together along the right side of the window, and are guided by the lower outer right pulley to return horizontally to be secured with a second carriage C2.
• a semicircle-shaped guide is placed on the upper blade for guiding the fine wire to impose a longitudinal rotation torque to the upper blade throughout this rotation.
• This guide is placed in the side uprights of the double-glazed pane, the radius of this semicircle being less than the internal distance between the two windows of the double glazing.
• the mechanism further comprises a first worm 10 rotated by an electric motor M cooperating with a threaded orifice of the first carriage C1 so that when the worm rotates, the first carriage moves laterally.
• the first worm is connected to the motor via a gear reducer 41.
• the pitch p of the worm is such that the drive is not reversible, that is to say that the lateral movement of the carriage can not drive the rotating screw, so that if the worm is not rotated, the first carriage has a stable position and thus the inner longitudinal edge of each slat also has a position stable.
• the mechanism further comprises a second worm 20 cooperating with a threaded orifice of the second carriage C2 so that when the worm rotates, the second carriage moves laterally.
• the pitch of this worm is such that the drive is not reversible, that is to say that the lateral movement of the second carriage can cause the second auger rotating, so that if the worm is not rotated, the second carriage has a stable position and therefore the outer longitudinal edge of each blade also has a stable position.
• the mechanism also comprises a particular link connecting the two worm and comprising a rotation retarder 30.
• the rotation retarder 30 and composed of four parallel plates rotating along the axis of rotation of the two worm.
• the first plate is fixed to the first worm and the last plate is fixed to the second worm.
• the trays are placed in vis-à-vis. Each tray includes a drive stud placed peripherally. When the first plate drives the second plate the two pins are in contact. If the first platter stops and turns in the opposite direction then the second platen remains in position until the first platter has practically a full turn to come drive the second platter in the other direction.
• four delay trays are placed in series so that the drive of rotation of the plate driven by the drive plate requires several turns of the drive plate during a change of direction of rotation to drive the second worm.
• four retarders of about one turn are placed in series so that the drive of the second worm is delayed about four turns during a change of direction direction.
• Four-fold motion multipliers are placed on each carriage to multiply the movement of the control wires relative to the movement of the carriages.
• Two vertical pulleys 31, 32 were placed on the carriage C1 and two vertical pulleys 33, 34 were placed on the carriage C2.
• Two horizontal pulleys 34 and 35 are fixed to the structure.
• the pair of threads G and f4 is connected to the fixed part of the structure after having passed around the pulleys 31, 34 and 32 while the pair son fl and f2 is connected to the fixed part of the structure after passing around the pulleys 33, 35 and 34.
• the pair of corresponding control wires moves four millimeters per example.
• Two limit stop switches are placed at the end of travel of the carriage C1 to stop the movement of the carriages in the two extreme positions of the awning.
• the blind In order to be able to transport in all positions the window equipped with the blind according to the invention, the blind being placed at the maximum position upwards, while maintaining a defined tension on the control wires and without counting on excessive precision of the switches acting as a stop, the last slat is attached to the lower part of the double-glazed pane at its four corners by four tension springs,
• the outer surface of the lamellae (outwardly facing surface) has a reflective surface for discharging a portion of the heat energy by radiation to the outside.
• the gas occupying the internal cavity of the double-glazed pane is dry air or a gas having good heat-carrying properties in order to more efficiently transmit the heat energy upwards to exchange these calories with the outside air.
• An exchanger placed on the upper part and on the outside of the double glazed pane makes it possible to extract the calories formed inside the double glazed pane.
• This exchanger comprises a set of heat-conducting alloy fins and is ventilated by air coming from the outside, circulating along the fins and outward outward.
• a cowling is used to channel the flow of ventilation air, this cowling includes cooling fins, an outside air inlet, an air outlet to the outside and a fan forcing the air to flow from then on. entrance of the cowling, along the cooling fins then to the exit on the outside.
• a control box comprises two switches respectively controlling the rotation in one direction and in the other direction of the motor M.
• a switch When a switch is activated, the motor rotates in one direction, and when the other button is activated, the motor turns in one direction. 'other way.
• An electronic safety circuit is provided to protect the circuit against false maneuvers and especially if you press both commands at once. In this case no electrical energy is sent to the engine.
• the circuit is such that the speed of the motor is reduced at the beginning and / or at the end of the rotation of the motor, in order to have a better control precision in particular when modifying the inclination of the slats.
• the operation of such a store is as follows:
• the control box comprises two switches, one actuating the rise, the other actuating the descent.
• Pressing the "up” button causes the motor to move in the upward direction and the carriage C1 moves to the left, bringing with it the pair of wires f3, f4.
• the outer edge of the upper lamella rises.
• the worm 20 and thus the carriage C2 are stationary.
• the upper leaflet is therefore placed in a substantially vertical position.
• the motor M rotates in the other direction driving to the right the carriage Cl and thus the outer edges of the lamellae downwards.
• the internal edges of the lamellae maintain the same position because the retarder rotating in the other direction waits until four turns of worm 10 have taken place before driving the carriage C2.
• the blind must be closed to the maximum so that the window can be transported to any position without the wires becoming loose.
• a ventilation box is placed at the top of the window to eliminate the heat accumulated by the slats of the blind.
• This housing allows the ventilation of outside air around heat conductive fins and thermally connected with the inside of the upper part of the double glazed pane.
• this device is also suitable for mechanisms placed in the upper or lateral part of the double-glazed windows.
• This device is also suitable for windows with triple glazing.
• the motor may be placed outside the double glazed window, the internal mechanism being rotated by electromagnetic coupling.

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• Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Blinds (AREA)
• Joining Of Glass To Other Materials (AREA)
• Curtains And Furnishings For Windows Or Doors (AREA)

Applications Claiming Priority (2)

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Family Applications (1)

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• 2007
  • 2007-03-15 FR FR0701878A patent/FR2913714B1/fr not_active Expired - Fee Related
• 2008
  • 2008-03-14 BR BRPI0808922A patent/BRPI0808922A2/pt not_active IP Right Cessation
  • 2008-03-14 CN CN2008800129087A patent/CN101663455B/zh not_active Expired - Fee Related
  • 2008-03-14 EP EP08787797.3A patent/EP2118426B1/de not_active Not-in-force
  • 2008-03-14 WO PCT/FR2008/000341 patent/WO2008132346A2/fr active Application Filing

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