EP3306027A1 - Elektromechanisches stellglied und lamellenstore, der ein solches stellglied umfasst - Google Patents

Elektromechanisches stellglied und lamellenstore, der ein solches stellglied umfasst Download PDF

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Publication number
EP3306027A1
EP3306027A1 EP17195651.9A EP17195651A EP3306027A1 EP 3306027 A1 EP3306027 A1 EP 3306027A1 EP 17195651 A EP17195651 A EP 17195651A EP 3306027 A1 EP3306027 A1 EP 3306027A1
Authority
EP
European Patent Office
Prior art keywords
housing
lever
wall
blind
electromechanical actuator
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.)
Granted
Application number
EP17195651.9A
Other languages
English (en)
French (fr)
Other versions
EP3306027B1 (de
Inventor
Jérôme RICHARD
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.)
Somfy Activites SA
Original Assignee
Somfy Activites SA
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 Somfy Activites SA filed Critical Somfy Activites SA
Priority to PL17195651T priority Critical patent/PL3306027T3/pl
Publication of EP3306027A1 publication Critical patent/EP3306027A1/de
Application granted granted Critical
Publication of EP3306027B1 publication Critical patent/EP3306027B1/de
Active 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
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • 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
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/303—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape
    • E06B9/308—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape with coaxial tilting bar and raising shaft
    • 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
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/323—Structure or support of upper box

Definitions

  • the present invention relates to an electromechanical actuator.
  • the present invention also relates to a blade blind comprising a rail and a screen provided with blades.
  • the screen is driven in displacement by such an electromechanical actuator disposed inside the rail.
  • the present invention relates to the field of occultation devices comprising a motorized drive device moving a screen, between at least a first position and at least a second position.
  • a motorized drive device comprises an electromechanical actuator of a movable sun protection or closure member, such as a blade awning or other equivalent equipment, hereafter referred to as a screen.
  • Electromechanical actuators of a blade blind including a housing, an electric motor, an electronic control unit and a switching device are already known.
  • the switching device makes it possible to detect a high position of a blind screen.
  • the high position corresponds to a bearing of a first blade of the screen against an element of the switching device.
  • the switching device comprises a housing, a first member and a second member.
  • the first member is secured to the housing.
  • the first member is configured to be attached to a first wall of the housing or a second wall of the housing.
  • the first wall of the housing is opposite to the second wall of the housing.
  • the second member is movable relative to the first member.
  • actuators have the disadvantage of producing the switching device by means of a magnet intended to move relative to a magnetic field detector, in particular of Hall effect type.
  • the magnet is disposed within the second member.
  • the magnetic field detector is provided inside the housing. A detection of the attainment of the high position is generated by the approximation of the magnet relative to the magnetic field detector, during a relative movement of the second member relative to the first member between a first and a second position.
  • actuators comprising a switching device made by means of a magnet and a magnetic field detector, have high production costs.
  • such a switching device comprising the magnet and the magnetic field detector has the disadvantage of generating untimely detections of the high position of the shade screen.
  • These untimely detections of the high position are generated during the approach of the magnet relative to the magnetic field detector, in particular, in cases where the orientation of the first blade of the screen is modified near the second organ having the magnet.
  • these untimely detections of the high position are related to the speed of movement of the screen and to the displacement stroke of the second member relative to the first member. Such untimely detections are due to successive passages by the switching device between a high position reached state and a not reached high position state.
  • Such untimely detections cause the fault of an algorithm implemented in a microcontroller of the electronic control unit.
  • EP 2 546 452 A2 discloses an electromechanical actuator of a blade awning comprising a housing, an electric motor, an electronic control unit and a switching device.
  • the switching device comprises a housing, a first member and a second member. The first member is secured to the housing. The second member is movable relative to the first member.
  • the switching device also includes a magnet and a magnetic field detector generated by the magnet. The magnet is intended to move during a relative movement of the second member relative to the first member.
  • the present invention aims to solve the aforementioned drawbacks and to propose an electromechanical actuator of a blade awning, and a blade blind comprising such an actuator, to minimize the costs of obtaining a switching device and to simplify the construction and assembly of the switching device, while ensuring the operating reliability of the actuator.
  • the second member is configured to cooperate with the first end of the first lever, in the case where the first member is fixed on the first wall of the housing, or with the first end of the second lever, in the case where the first member is attached to the second wall of the housing.
  • the switching device makes it possible to detect a high position of a blind screen by means of mechanical components.
  • the switching device comprises a limited number of components. Therefore, the costs of obtaining the switching device are low.
  • such an assembly of the switching device makes it possible to position the first and second members at the level of the first wall of the housing or at the level of the second wall of the housing, so that the electromechanical actuator can be mounted in a first direction. or in a second direction depending on the mounting configuration with the rail.
  • the detection of the high position of the screen of the blind can be implemented irrespective of the mounting configuration of the electromechanical actuator with the rail, in particular according to a mounting said "U” or according to a assembly says "N".
  • such a switching device which comprises the first and second levers, the leaf spring and the switch, makes it possible to overcome the phenomenon of successive passages between the high position reached state and the high position state. not reached.
  • This phenomenon can cause the fault of the electronic control unit, as described above, since the switch emits a binary signal to the electronic control unit.
  • the switch can only take two open or closed operating states.
  • the operating states of the switch are dependent on the position of the first arm or the second arm of the spring blade, depending on the assembly configuration of the first member on the housing.
  • the position of the first arm or the second arm of the spring blade is caused by the displacement or non-displacement of the second member relative to the first member.
  • the switch can not oscillate between the two operating states, such as the previously described magnetic sensing switching device.
  • the switching device also comprises a first membrane and a second membrane.
  • the first membrane is assembled on the housing and disposed in a first opening in the first wall of the housing.
  • the second membrane is assembled on the housing and disposed in a second opening in the second wall of the housing.
  • the second member is configured to cooperate with the first end of the first lever via the first membrane, in the case where the first member is fixed on the first wall of the housing.
  • the second member is configured to cooperate with the first end of the second lever via the second membrane, in the case where the first member is fixed on the second wall of the housing.
  • a connection between the first membrane, respectively the second membrane, and the first wall of the housing, respectively the second wall of the housing, is sealed.
  • each of the first and second membranes is in the form of a bellows, so as to deform elastically, depending on a force exerted by the second member against a surface thereof.
  • the switching device also comprises a support.
  • the support is disposed inside the housing.
  • the support comprises a first housing receiving the first lever, a second housing receiving the second lever and holding elements of the leaf spring.
  • the support also comprises at least one first stop configured to cooperate with the first arm of the spring blade and at least one second stop configured to cooperate with the second arm of the leaf spring.
  • the electronic control unit is disposed inside the casing of the switching device.
  • the electronic control unit comprises a printed circuit board.
  • the switch is assembled on the printed circuit board.
  • each of the first and second levers comprises a body.
  • the first end of each of the first and second levers comprises a head.
  • the head of the first end of each of the first and second levers has a section of dimension greater than that of the section of the body thereof.
  • the present invention aims, according to a second aspect, a blade blind comprising a rail and a screen comprising blades.
  • the screen is driven in displacement by an electromechanical actuator, according to the invention, disposed inside the rail.
  • This blade awning has characteristics and advantages similar to those described above in connection with the electromechanical actuator according to the invention, as mentioned above.
  • a home automation system according to the invention and installed in a building, not shown, having an opening, window or door, equipped with a screen 2 belonging to a concealment device 1, in particular a motorized blade blind.
  • the occulting device 1 can be arranged outside the building or inside the building.
  • the blind 1 comprises blades 3, in particular orientable.
  • the blind 1 may also comprise a load bar 4.
  • the screen 2 is formed of the blades 3 and the load bar 4.
  • the load bar 4 makes it possible to exert a tension on the screen 2.
  • the load bar 4 is fixed at a lower end of the screen 2, in the assembled configuration of the blind 1 in the home automation system.
  • the screen 2 comprises a final blade to replace the load bar 4, which can be weighted.
  • the blind 1 comprises drive cords 5 configured to allow the vertical movement of the blades 3 and the load bar 4.
  • the training cords 5 can also be called lacettes.
  • the blades 3 respectively comprise an opening 10 for the passage of each driving cord 5.
  • the blind 1 also comprises orientation cords 6 configured to allow the orientation of the blades 3.
  • the orientation cords 6 are also called scales.
  • the orientation of the blades 3 allows, in particular, to adjust the brightness inside a building room.
  • the blind 1 comprises two slides. Each of the slides is arranged along one side of the screen 2 of the blind 1. The slides are configured to cooperate with the blades 3 of the screen 2, so as to guide the blades 3, during deployment and withdrawal of the screen 2.
  • the guide blades 3 is made by two cables. Each of the cables is arranged along one side of the screen 2 of the blind 1.
  • the blind 1 comprises a motorized drive device 7.
  • the motorized drive device 7 comprises an electromechanical actuator 8.
  • the electromechanical actuator 8 makes it possible to lower or mount the blades 3 and the load bar 4, in other words to deploy or fold the screen 2.
  • the electromechanical actuator 8 further allows the blades 3 to be oriented.
  • the blind 1 comprises a rail 9, inside which the motorized driving device 7 and, in particular, the electromechanical actuator 8 are arranged.
  • the rail 9 is disposed above the screen 2.
  • the rail 9 is disposed above the opening of the building, or in the upper part of the opening of the building.
  • the rail 9 comprises a bottom wall 9a and two side walls 9b.
  • the rail 9 has a section of "U".
  • the rail 9 has an inverted "U” shaped section, generally called "N".
  • the motorized drive device 7 comprises a plurality of reels, not shown.
  • the reels are configured to wind and unroll the training cords 5, so as to cause the vertical movement of the blades 3 and the load bar 4.
  • the motorized driving device 7 comprises two winders.
  • the number of reels is not limiting and may be different, in particular greater than two.
  • the driving cords 5 are connected, on the one hand, to the load bar 4 and, on the other hand, to the reels.
  • each driving cord 5 is connected to the load bar 4 and the upper end of each driving cord 5 is connected to one of the winders, in the assembled configuration of the blind 1 in the home automation system.
  • the reels are arranged inside the rail 9.
  • the reels are also configured to wind and unwind the orientation cords 6, so as to orient the blades 3.
  • the motorized drive device 7 comprises tilting devices 13, generally called “rockers”.
  • the reels are respectively disposed inside a rocker 13.
  • rockers 13 are arranged inside the rail 9.
  • the motorized drive device 7 comprises two rockers 13.
  • the number of rockers is not limiting and may be different, especially greater than two. In the case where the number of rockers is greater than or equal to two, the electromechanical actuator is disposed between two rockers.
  • each rocker 13 is arranged on either side of the electromechanical actuator 8. More specifically, each rocker 13 is disposed at a longitudinal end of the rail 9.
  • the motor drive device 7 is controlled by a control unit.
  • the control unit may be, for example, a local control unit 14.
  • the local control unit 14 may be wired or wirelessly connected to a central control unit 15.
  • the central control unit 15 the local control unit 14, as well as other similar local control units distributed throughout the building.
  • the central control unit 15 may be in communication with a remote weather station outside the building, including, in particular, one or more sensors that can be configured to determine, for example, a temperature, a brightness, or a speed Wind.
  • a remote control 16 which may be a type of local control unit, is provided with a control keyboard.
  • the control keyboard comprises selection and display means, further enabling a user to intervene on the electromechanical actuator 8 and / or the central control unit 15.
  • the motorized drive device 7 is preferably configured to execute the deployment or folding commands of the screen 2 of the blind 1, as well as the orientation of the blades 3, which can be transmitted, in particular, by the remote control 16 .
  • the electromechanical actuator 8 comprises a casing 17, an electric motor 18 and an electronic control unit 19.
  • the electric motor 18 comprises a rotor and a stator, not shown and positioned coaxially around an axis of rotation X, which is also the axis of rotation of the winders, in the mounted configuration of the motorized drive device 7.
  • the electromechanical actuator 8 is supplied with electrical energy by a mains power supply network, or by means of a battery, which can be recharged, for example, by a photovoltaic panel.
  • the electromechanical actuator 8 makes it possible to move the screen 2 of the blind 1, in particular in a vertical movement, as well as to orient the blades 3 of the screen 2.
  • the electromechanical actuator 8 comprises a power supply cable, not shown, for its power supply, from the power supply network of the sector or the battery.
  • the casing 17 of the electromechanical actuator 8 is preferably of generally parallelepipedal shape.
  • the housing 17 is made of a metallic material.
  • the housing material of the electromechanical actuator is not limiting and may be different. It may, in particular, be a plastic material.
  • the electromechanical actuator 8 also comprises a gear reduction device, not shown, and at least one output shaft 20.
  • the electromechanical actuator 8 comprises two output shafts 20, so as to rotate respectively one of the reels.
  • Each output shaft 20 opens on one side of the casing 17 of the electromechanical actuator 8.
  • Each output shaft 20 is connected to a drive shaft 11 of one of the reels by means of fasteners, not shown.
  • the fixing elements of each output shaft 20 to one of the drive shafts 11 are, for example, fasteners by screwing.
  • Each winder is thus driven in rotation, at one of the rockers 13, by one of the drive shafts 11 coupled with one of the output shafts 20 of the electromechanical actuator 8.
  • the electric motor 18 and the gear reduction device are disposed inside the housing 17 of the electromechanical actuator 8.
  • Control means of the electromechanical actuator 8, allowing the displacement of the screen 2 of the blind 1 as well as the orientation of the blades 3 of the screen 2, comprise at least the electronic control unit 19.
  • This electronic unit 19 is able to put into operation the electric motor 18 of the actuator electromechanical 8 and, in particular, allow the electric power supply of the electric motor 18.
  • the electronic control unit 19 controls, in particular, the electric motor 18, so as to open or close the screen 2, and to orient the blades 3 of the screen 2, as described above.
  • the electronic control unit 19 also comprises a command order receiving module, the command commands being issued by a command transmitter, such as the remote control 16 intended to control the electromechanical actuator 8 or one of the local control units 14 or central 15.
  • a command transmitter such as the remote control 16 intended to control the electromechanical actuator 8 or one of the local control units 14 or central 15.
  • control command receiving module of the electronic control unit 19 is of wireless type.
  • control command receiving module is configured to receive radio control commands.
  • the command order receiving module may also allow the reception of control commands transmitted by wire means.
  • the control means of the electromechanical actuator 8 comprise hardware and / or software means.
  • the hardware means may comprise at least one microcontroller.
  • the electromechanical actuator 8 also comprises a switching device 21.
  • a high position in particular of security, corresponds to a bearing of a first blade 3h of the screen 2 against an element of the switching device 21.
  • the first blade 3h of the screen 2 corresponds to the upper blade 3 of the screen 2, in the assembled configuration of the blind 1 in the home automation system.
  • the switching device 21 makes it possible, in particular, to determine the attainment of the high position of the screen 2.
  • a high end position in particular of operation, corresponds to a predetermined high end position, in particular by means of a limit detection device 12, as illustrated in FIG. figure 5 .
  • a low end position corresponds to a predetermined low end position, in particular, by means of the end-of-travel detection device 12, or to the support of the load bar 4 against a threshold of the opening of the building, or the complete deployment of the screen 2.
  • the end-of-travel detection device 12 is of magnetic type and assembled on one of the output shafts 20 of the electromechanical actuator 8.
  • Such a limit-of-travel detection device 12 comprises at least one wheel 46 and Hall effect sensors, not shown.
  • the type of end-of-stroke detection device is not limiting and may be different, in particular of the time type and realized through a microcontroller of the electronic control unit.
  • the switching device 21 comprises a housing 22.
  • the housing 22 of the switching device 21 is fixed on the casing 17 of the electromechanical actuator 8 by means of fixing elements 50.
  • the fastening elements 50 of the housing 22 on the casing 17 are resilient detent elements.
  • the type of fixing elements of the housing on the housing is not limiting and may be different. It may, in particular, be fastening elements by screwing.
  • the switching device 21 also comprises a first member 23 and a second member 24.
  • the first member 23 is integral with the housing 22.
  • the first member 23 is configured to be fixed on a first wall 22a of the housing 22 or on a second wall 22b of the housing 22.
  • the first wall 22a of the housing 22 is opposite the second wall 22b of the housing 22.
  • the housing 22 is of generally parallelepipedal shape.
  • the housing 22 includes the first wall 22a, which is the top wall in the configuration of the figures 4 and 5 , the second wall 22b, which is the bottom wall in the configuration of the figures 4 and 5 and four sidewalls 22c, generally perpendicular to the walls 22a, 22b and therebetween.
  • the first member 23 is fixed on the housing 22 by means of fastening elements 25.
  • the fastening elements 25 of the first member 23 on the housing 22 are elastic latching elements.
  • the fastening elements 25 comprise elastic tabs formed on the first member 23 and configured to cooperate with slots of the housing 22.
  • the slots are formed, firstly, in the first wall 22a of the housing 22 and, on the other hand, in the second wall 22b of the housing 22.
  • the first member 23 comprises two elastic tabs configured to cooperate respectively with a slot of the housing 22.
  • the number and type of fasteners of the first member on the housing are not limiting and may be different.
  • the number of fasteners of the first member on the housing may be greater than two.
  • the fastening elements may be fastening elements by screwing.
  • the second member 24 is movable relative to the first member 23.
  • the second member 24 is movable relative to the first member 23 in a translational movement.
  • the first member 23 comprises a housing 26, inside which is partially disposed the second member 24.
  • the first member 23 comprises a shaft 27 disposed in the center of the housing 26 and configured to cooperate with a hole, not shown arranged in the second member 24.
  • the second member 24 is guided inside the housing 26 of the first member 23 by the complementary shapes of the first and second members 23, 24, particular by the contour of the second member 24 and the contour of the housing 26 of the first member 23.
  • the second member 24 is centered relative to the first member 23 by means of the barrel 27 of the first member 23 sliding inside the hole arranged in the second member 24.
  • the second member 24 is made by means of three parts, called first part 24a, second part 24b and third part 24c, in the following.
  • the first part 24a of the second member 24 is a part cooperating with the first member 23, in particular to allow sliding of the second member 24 relative to the first member 23.
  • the second part 24b of the second member 24 is an intermediate piece configured to increase the length of the second member 24, as a function of the distance between the switching device 21 and the first blade 3h of the screen 2 in the high position.
  • the third piece 24c of the second member 24 is a plug, configured to close one end of the second member 24, in particular the end of the second member 24 opposite to that cooperating with the first member 23.
  • the second piece 24b is optional, so that the third piece 24c can be assembled directly on the first piece 24a.
  • the number of parts of the second member is not limiting and may be different, especially one or two pieces.
  • the parts 24a, 24b, 24c of the second member 24 are fixed together by snap-fastening elements.
  • the type of fasteners of the parts of the second member 24 between them is not limiting and may be different. It may, in particular, be a bonding attachment.
  • the first member 23 and the second member 24 form a first subassembly of the switching device 21.
  • the first subset of the switching device 21 is disposed outside the housing 22.
  • Such a first subset of the device of FIG. switching 21 is usually called "mushroom”.
  • the second member 24 of the switching device 21 is configured to be moved by the first blade 3h of the screen 2, relative to the first member 23, when the screen 2 reaches the high position.
  • the displacement of the second member 24 of the switching device 21 relative to the first member 23, in a direction of approaching the second member 24 relative to the housing 22, results from a displacement of the first blade 3h of the screen 2 towards the high position, during the activation of the electromechanical actuator 8.
  • the displacement of the first blade 3h of the screen 2 is implemented by the activation of the electromechanical actuator 8 and the winding of the electromechanical actuators 8 drive 5 around the reels.
  • the electronic control unit 19 controls the stopping of the electric motor 18 of the electromechanical actuator 8.
  • At least a portion of the switching device 21 is disposed outside the rail 9.
  • the portion of the switching device 21 disposed outside the rail 9 corresponds to at least a part of the first subassembly of the device. switching 21.
  • the switching device 21 is disposed inside the rail 9, in particular the housing 22, as well as the elements assembled inside thereof.
  • the second member 24 of the switching device 21 extends under the bottom wall 9a of the rail 9, in the assembled configuration of the blind 1 in the home automation system.
  • the first subassembly or mushroom of the switching device 21 passes through an opening, not shown, formed in the bottom wall 9a of the rail 9.
  • the second member 24 of the switching device 21 extends under the rail 9 from the ends of the side walls 9b of the rail 9, in the assembled configuration of the blind 1 in the home automation system.
  • the second member 24 of the switching device 21 is configured to be moved between a first position, called rest position, in which no contact is made between the second member 24 and the first blade 3h of the screen 2, and a second position, called high position detection of the screen 2, wherein the first blade 3h of the screen 2 is in contact with the second member 24.
  • the switching device 21 also comprises a first lever 28, a second lever 29, a spring blade 30 and a switch 41.
  • the switch 41 makes it possible to detect the high position of the screen 2 of the blind 1.
  • the switching device 21 comprises a single switch 41 for detecting the high position of the screen 2 of the blind 1.
  • the first lever 28 includes a first end 28a and a second end 28b.
  • the second end 28b of the first lever 28 is opposed to the first end 28a of the first lever 28.
  • the second lever 29 includes a first end 29a and a second end 29b.
  • the second end 29b of the second lever 29 is opposite the first end 29a of the second lever 29.
  • the leaf spring 30 comprises a first arm 30a and a second arm 30b.
  • the spring blade 30 also includes a base 30c.
  • the first and second arms 30a, 30b are connected to the base 30c.
  • first and second arms 30a, 30b and the base 30c of the spring blade 30 form a single piece.
  • the second end 28b of the first lever 28 is configured to cooperate with the first arm 30a of the spring blade 30.
  • the first arm 30a of the spring blade 30 keeps the first lever 28 in a rest position by elastic return, as long as no support is exerted on the first lever 28, in the direction of movement F1 of the first arm 30a of the spring blade 30 towards the switch 41, as illustrated in FIG. figure 4 and, in particular, on the second member 24.
  • the second end 29b of the second lever 29 is configured to cooperate with the second arm 30b of the spring blade 30.
  • the second arm 30b of the spring blade 30 holds the second lever 29 in a rest position by elastic return, as long as no support is exerted on the second lever 29, in the direction of movement F2 of the second arm 30b of the spring blade 30 towards the switch 41, as illustrated in FIG. figure 4 and, in particular, on the second member 24.
  • first and second arms 30a, 30b of the leaf spring 30 allow to maintain in the rest position the first and second levers 28, 29 without having to add an elastic return element between the second member 24 and the first lever 28 or the second lever 29, depending on the assembly configuration of the first member 23 on the housing 22.
  • Each of the first and second arms 30a, 30b of the spring blade 30 is configured to cooperate with the switch 41.
  • the second member 24 is configured to cooperate with the first end 28a of the first lever 28, in the case where the first member 23 is fixed on the first wall 22a of the housing 22, or with the first end 29a of the second lever 29, in the case where the first member 23 is fixed on the second wall 22b of the housing 22.
  • the switching device 21 makes it possible to detect the high position of the screen 2 of the blind 1 by means of mechanical components.
  • the switching device 21 comprises a limited number of components. Therefore, the costs of obtaining the switching device 21 are low.
  • such an assembly of the switching device 21 makes it possible to position the first and second members 23, 24 at the level of the first wall 22a of the housing 22 or at the level of the second wall 22b of the housing 22, so that the actuator electromechanical 8 can be mounted in a first direction or in a second direction according to the mounting configuration with the rail 9.
  • the detection of the high position of the screen 2 of the blind 1 can be implemented regardless of the mounting configuration of the electromechanical actuator 8 with the rail 9, that is to say according to the U-shaped assembly, as illustrated in figure 2 , or according to the so-called "N" assembly, as illustrated in figure 3 .
  • the first and second levers 28, 29 are movable inside the housing 22.
  • the second member 24 is configured to move the first lever 28 towards the first arm 30a of the spring blade 30, in the case where the first member 23 is fixed on the first wall 22a of the housing 22 and when the second member 24 is moved by relative to the first member 23 towards the first end 28a of the first lever 28, that is to say towards the housing 22 as envisaged above.
  • the second member 24 is configured to move the second lever 29 towards the second arm 30b of the leaf spring 30, in the case where the first member 23 is fixed on the second wall 22b of the housing 22 and when the second member 24 is moved by relative to the first member 23 towards the first end 29a of the second lever 29, that is to say towards the housing 22 as envisaged above.
  • the first and second levers 28, 29, the spring blade 30 and the switch 41 form a second subassembly of the switching device 21.
  • the second subassembly of the switching device 21 is disposed inside the housing 22 and , in particular, in a housing 33 of the housing 22.
  • each of the first and second arms 30a, 30b of the leaf spring 30 comprises a tab 30d cooperating with a push button 41a of the switch 41.
  • the tab 30d of each of the first and second arms 30a, 30b extends in a plane perpendicular to the plane in which extends each of the first and second arms 30a, 30b.
  • the switching device 21 also comprises a first membrane 34 and a second membrane 35.
  • the first membrane 34 is assembled on the housing 22 and disposed in a first opening 36 formed in the first wall 22a of the housing 22.
  • the second membrane 35 is assembled on the housing 22 and arranged in a second opening, not shown, formed in the second wall 22b of the housing 22.
  • first and second membranes 34, 35 make it possible to seal the first and second openings 36 formed in the housing 22.
  • first and second members 23, 24 are arranged vis-à-vis one of the first and second membranes 34, 35.
  • first and second membranes 34, 35 are covered by the first and second members 23, 24.
  • the membrane 34, 35 covered by the first and second members 23, 24 is related to the assembly configuration of the first member 23 on the housing 22, either on the first wall 22a, or on the second wall 22b.
  • the second member 24 is configured to cooperate with the first end 28a of the first lever 28 via the first membrane 34, in the case where the first member 23 is fixed on the first wall 22a of the housing 22.
  • the second member 24 is configured to cooperate with the first end 29a of the second lever 29 via the second membrane 35 , in the case where the first member 23 is fixed on the second wall 22b of the housing 22.
  • the second member 24 exerts a thrust force on the first end 28a, 29a of the lever 28, 29 by deforming the membrane 34, 35, without perforating it.
  • a displacement of the lever 28, 29 in the housing 22, under the effect of the force exerted by the second member 24 is possible due to the elastically deformable nature of the membrane 34, 35.
  • a connection between the first membrane 34, respectively the second membrane 35, and the first wall 22a of the housing 22, respectively the second wall 22b of the housing 22, is sealed.
  • first and second membranes 34, 35 installed at the first and second openings 36 of the housing 22 make it possible to guarantee the sealing of the switching device 21, in particular at the level of the first and second openings 36 of the housing 22.
  • the housing 22 is sealed at its first and second openings 36, following the assembly of the first and second membranes 34, 35, so as to prevent water or dirt infiltration into the interior of the housing. housing 22.
  • first and second membranes 34, 35 make it possible to guarantee the sealing of the housing 22 at the first and second openings 36, whatever the assembly position of the first member 23 on the housing 22.
  • the tightness of the connection between the first membrane 34, respectively the second membrane 35, with the first wall 22a of the housing 22, respectively the second wall 22b of the housing 22, is guaranteed by the shape of the first and second membranes 34, 35 and first and second openings 36 formed in the housing 22.
  • each of the first and second membranes 34, 35 is in the form of a bellows, so as to deform elastically, depending on a force exerted by the second member 24 against a surface thereof.
  • first and second membranes 34, 35 are configured to deform elastically, in particular, during a support exerted on them by means of the second member 24.
  • the second member 24 comprises stops 32 configured to cooperate with stops 37 of the first member 23, when the first lever 28 or the second lever 29 is held in the rest position by the leaf spring 30, respectively by the first arm 30a or the second arm 30b, depending on the assembly configuration of the first member 23 on the housing 22.
  • the cooperation of the abutments 32 of the second member 24 with the abutments 37 of the first member 23 makes it possible to guarantee the retention of the second member 24 with respect to the first member 23, under the effect of the elastic return of the first and second membranes 34,35 .
  • each of the first and second levers 28, 29 comprises a body 28c, 29c, in particular of elongate shape.
  • the first end 28a, 29a of each of the first and second levers 28, 29 comprises a head 28d, 29d.
  • the head 28d, 29d of the first end 28a, 29a of each of the first and second levers 28, 29 has a section of greater size than the section of the body 28c, 29c thereof.
  • the bearing surface of the first end 28a, 29a of each of the first and second levers 28, 29 with the second member 24 is larger, so as to improve the distribution of the force at the second member 24 and , more particularly, on the first or the second membrane 34, 35, as a function of the assembly configuration of the first member 23 on the housing 22.
  • the operating reliability of the switching device 21 is improved by avoiding damage to the second member 24, as well as the first or the second membrane 34, 35.
  • the body 28c, 29c of the first and second levers 28, 29 is of cylindrical shape.
  • the switching device 21 comprises a first support 31.
  • the first support 31 is disposed inside the housing 22.
  • the first support 31 comprises a first housing 38 receiving the first lever 28, a second housing, not shown, receiving the second lever 29.
  • the first support 31 also comprises holding elements 40 of the spring blade 30.
  • first housing 38 and the second housing of the first support 31 have a circular section.
  • first and second levers 28, 29 are respectively movable inside the first and second housings 38 of the first support 31.
  • the first support 31 also comprises at least one first stop 39 configured to cooperate with the first arm 30a of the leaf spring 30 and at least one second stop 45 configured to cooperate with the second arm 30b of the leaf spring 30.
  • first and second stops 39, 45 of the first support 31 respectively limit the movement of the first and second arms 30a, 30b of the spring blade 30, when no force is exerted on the first and second arms 30a, 30b, in particular by the second member 24.
  • the first and second arms 30a, 30b of the spring blade 30 can bear against the first and second stops 39, 45 of the first support 31.
  • the first or second membrane 34, 35 is configured to maintain or bring back the second member 24 in its rest position, according to the assembly configuration of the first member 23 on the housing 22.
  • the first support 31 comprises a single first stop 39 and a single second stop 45.
  • the number of stops configured to cooperate with the first and second arms of the spring blade is not limiting and may be different, in particular greater than or equal to two.
  • the first support 31 also comprises a housing 47 configured to house the wheel 46 of the end-of-travel detection device 12, as well as a reduction member 48 for the speed of rotation of the wheel 46 relative to that of the wheel. output shaft 20 of the electromechanical actuator 8.
  • the electronic control unit 19 is disposed inside the housing 22 of the switching device 21.
  • the electronic control unit 19 comprises a first printed circuit board 42.
  • the switch 41 is assembled on the first printed circuit board 42.
  • the electronic control unit 19 comprises a second printed circuit board 43.
  • the first and second printed circuit boards 42, 43 are electrically connected to one another.
  • the switch 41 is of the electromechanical type.
  • the switch 41 is electrically connected to the electronic control unit 19 and, in particular, to the first printed circuit board 42 by electrical conductors.
  • the switching device 21 also comprises a second support 44.
  • the second support 44 is disposed inside the housing 22.
  • the second printed circuit board 43 is assembled on the second support 44.
  • the first support 31 is assembled with the second support 44 by means of fixing elements.
  • the fastening elements of the first support 31 with the second support 44 are pins 49 of the first support 31 configured to cooperate with housings, not shown, formed in the second support 44.
  • the switching device makes it possible to detect a high position of a blind screen by means of mechanical components.
  • the switching device comprises a limited number of components. Therefore, the costs of obtaining the switching device are low.
  • the assembly mode of the switching device makes it possible to position the first and second members at the level of the first wall of the housing or at the level of the second wall of the housing, so that the electromechanical actuator can be mounted in a housing. first direction or in a second direction according to the mounting configuration with the rail.
  • the detection of the high position of the screen of the blind can be implemented irrespective of the mounting configuration of the electromechanical actuator with the rail, in particular according to a mounting said "U” or according to a assembly says "N".
  • the motorized driving device 7 comprises a plurality of first reels of the training cords 5 and a plurality of second reels of the orientation cords 6.
  • the training cords 5 are connected, on the one hand, to the load bar 4 and, on the other hand, to the first winders.
  • the orientation cords 6 are connected to the load bar 4, the blades 3, and the second reels.
  • each driving cord 5 is connected to the load bar 4 and the upper end of each driving cord 5 is connected to one of the first winders, in the assembled configuration of the blind 1 in the home automation system.
  • the lower end of each orientation cord 6 is connected to the load bar 4 and the upper end of each orientation cord 6 is connected. to one of the second winders, in the assembled configuration of the blind 1 in the home automation system.
  • the first and second winders are arranged inside the rail 9.
  • the motorized drive device 7 comprises two chains for driving and orienting the blades 3 of the screen 2, replacing the training cords 5 and the orientation cords. 6.
  • each chain is disposed inside one of the slides disposed along one side of the screen 2 of the blind 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Blinds (AREA)
EP17195651.9A 2016-10-10 2017-10-10 Elektromechanisches stellglied und lamellenstore, der ein solches stellglied umfasst Active EP3306027B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17195651T PL3306027T3 (pl) 2016-10-10 2017-10-10 Napęd elektromechaniczny i żaluzja listwowa zawierająca taki napęd

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1659731A FR3057293B1 (fr) 2016-10-10 2016-10-10 Actionneur electromecanique et store a lames comprenant un tel actionneur

Publications (2)

Publication Number Publication Date
EP3306027A1 true EP3306027A1 (de) 2018-04-11
EP3306027B1 EP3306027B1 (de) 2020-03-11

Family

ID=57796514

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Application Number Title Priority Date Filing Date
EP17195651.9A Active EP3306027B1 (de) 2016-10-10 2017-10-10 Elektromechanisches stellglied und lamellenstore, der ein solches stellglied umfasst

Country Status (3)

Country Link
EP (1) EP3306027B1 (de)
FR (1) FR3057293B1 (de)
PL (1) PL3306027T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4174276A1 (de) * 2021-11-02 2023-05-03 Somfy Activites SA Elektromechanischer aktuator, verdunkelungsvorrichtung mit solch einem aktuator und verfahren zur steuerung solch eines aktuators

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3088670B1 (fr) 2018-11-16 2022-06-03 Somfy Activites Sa Actionneur electromecanique et dispositif d'occultation comprenant un tel actionneur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19652975A1 (de) * 1996-12-19 1998-06-25 Alsthom Cge Alcatel Jalousieantrieb mit einem von außen betätigbaren Endschalter
WO1999026262A1 (de) * 1997-11-13 1999-05-27 Josef Stehle + Söhne Gmbh Endschaltervorrichtung
DE19750209A1 (de) * 1997-11-13 1999-06-10 Gross Hans Antriebsvorrichtung für Jalousien oder dergleichen
EP2546452A2 (de) * 2011-07-11 2013-01-16 Somfy SAS Schaltelement für einen Motorblock eines Innen- oder Außenrolladens mit Lamellen
FR2997125A1 (fr) * 2012-10-23 2014-04-25 Somfy Sas Butee d’actionnement et procede de remplacement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19652975A1 (de) * 1996-12-19 1998-06-25 Alsthom Cge Alcatel Jalousieantrieb mit einem von außen betätigbaren Endschalter
WO1999026262A1 (de) * 1997-11-13 1999-05-27 Josef Stehle + Söhne Gmbh Endschaltervorrichtung
DE19750209A1 (de) * 1997-11-13 1999-06-10 Gross Hans Antriebsvorrichtung für Jalousien oder dergleichen
EP2546452A2 (de) * 2011-07-11 2013-01-16 Somfy SAS Schaltelement für einen Motorblock eines Innen- oder Außenrolladens mit Lamellen
FR2997125A1 (fr) * 2012-10-23 2014-04-25 Somfy Sas Butee d’actionnement et procede de remplacement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4174276A1 (de) * 2021-11-02 2023-05-03 Somfy Activites SA Elektromechanischer aktuator, verdunkelungsvorrichtung mit solch einem aktuator und verfahren zur steuerung solch eines aktuators
FR3128732A1 (fr) * 2021-11-02 2023-05-05 Somfy Activites Sa Actionneur électromécanique, dispositif d’occultation comprenant un tel actionneur et procédé de commande d’un tel actionneur

Also Published As

Publication number Publication date
PL3306027T3 (pl) 2020-09-07
FR3057293B1 (fr) 2018-11-30
EP3306027B1 (de) 2020-03-11
FR3057293A1 (fr) 2018-04-13

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