EP3835538B1 - Elektromechanisches stellglied, das ein aufhängungsorgan umfasst, und schliess- oder sonnenschutzanlage, die ein solches elektromechanisches stellglied umfasst - Google Patents

Elektromechanisches stellglied, das ein aufhängungsorgan umfasst, und schliess- oder sonnenschutzanlage, die ein solches elektromechanisches stellglied umfasst Download PDF

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Publication number
EP3835538B1
EP3835538B1 EP20213177.7A EP20213177A EP3835538B1 EP 3835538 B1 EP3835538 B1 EP 3835538B1 EP 20213177 A EP20213177 A EP 20213177A EP 3835538 B1 EP3835538 B1 EP 3835538B1
Authority
EP
European Patent Office
Prior art keywords
electromechanical actuator
support
casing
hub
electric motor
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.)
Active
Application number
EP20213177.7A
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English (en)
French (fr)
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EP3835538A1 (de
Inventor
Sylvain DECONCHE
Norbert Dupielet
Eric Lagarde
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
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Somfy Activites SA
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Publication date
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Publication of EP3835538A1 publication Critical patent/EP3835538A1/de
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Publication of EP3835538B1 publication Critical patent/EP3835538B1/de
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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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • 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
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes

Definitions

  • the present invention relates to an electromechanical actuator comprising a suspension member, as well as a closing or solar protection installation comprising such an electromechanical actuator.
  • the present invention relates to the field of screening devices comprising a motorized drive device that sets a screen in motion between at least a first position and at least a second position.
  • a motorized drive device comprises an electromechanical actuator for a movable closing, shading or solar protection element, such as a shutter, a door, a grille, a blind or any other equivalent material, hereinafter called screen.
  • a movable closing, shading or solar protection element such as a shutter, a door, a grille, a blind or any other equivalent material, hereinafter called screen.
  • electromechanical actuators for screening devices which each comprise an electric motor, a reduction gear and a control unit.
  • Oldham seals In order to fix the electric motor and the reducer in the electromechanical actuator, it is known to use Oldham seals.
  • the electromechanical actuator when the electromechanical actuator is placed, for example, in a winding tube of the dimming device, the electric motor and the reduction gear tend to be driven downwards and to come into contact with a casing of the electromechanical actuator.
  • the invention more particularly intends to remedy by proposing an improved suspension member for an electromechanical actuator of a closing or solar protection installation, this suspension member being more durable than those of the prior art. .
  • the electromechanical actuator comprises one or two suspension members and a casing.
  • the suspension member is configured to be mounted inside the housing of the electromechanical actuator.
  • the suspension member is annular in shape and defines a volume for receiving part of the electromechanical actuator.
  • the suspension member comprises at least three springs.
  • the suspension member comprises a support, on which each spring is connected.
  • the support is cylindrical in shape.
  • the support includes a hub.
  • the torque transfer member for an electromechanical actuator of a closing or solar protection installation.
  • the torque transfer member is annular in shape and defines a volume for receiving part of the electromechanical actuator.
  • the torque transfer member comprises at least three springs.
  • the torque transfer member is annular in shape and defines a volume for receiving an output shaft of a reduction gear of the electromechanical actuator.
  • the torque transfer member comprises portions, in this case four, configured to be compressed, during the insertion of the electromechanical actuator inside the winding tube.
  • the present invention relates, according to a first aspect, to an electromechanical actuator for a closure or solar protection installation, the electromechanical actuator comprising at least one suspension member and a casing, the suspension member being configured to be mounted inside the casing of the electromechanical actuator, the suspension member being of annular shape and defining a volume for receiving part of the electromechanical actuator, the suspension member comprising at least three springs and a support, on which each spring is mounted, the support being cylindrical in shape, the support comprising a hub.
  • the hub is provided with at least three housings each to accommodate a spring, so that each spring protrudes from an outer peripheral surface of the support.
  • each spring includes a "C" shaped hook and tab configured to be inserted into a through notch of one of the hub housings.
  • the springs present in the suspension member make it possible to hold part of the electromechanical actuator, in particular the electric motor and/or the reduction gear, in place within the casing of the electromechanical actuator, while guaranteeing a long service life for the suspension device.
  • the present invention relates, according to a second aspect, to a closing or solar protection installation comprising a screen driven in displacement by an electromechanical actuator and, more particularly, which can be rolled up on a winding tube driven in rotation by an electromechanical actuator.
  • the electromechanical actuator is in accordance with the invention, as mentioned above.
  • an installation I in accordance with an embodiment of the invention and installed in a building comprising an opening O, window or door, equipped with a screen 1 belonging to a device for closing, concealment or solar protection, in particular a motorized roller blind.
  • the closing, shading or sun protection device is hereinafter referred to as a "shading device".
  • the concealment device comprises the screen 1.
  • the concealment device can be a fabric blind, rollable or pleated, or with adjustable slats, a rolling shutter or even a rolling gate.
  • the present invention applies to all types of concealment device.
  • installation I includes the concealment device.
  • the installation I is of the solar protection type, comprising the roll-up blind provided with the screen 1 driven by a winding tube 2.
  • the screen 1 and the winding 2 are represented, at the figure 1 , in centerlines and are transparent.
  • the concealment device comprises a winding tube 2 and a motorized drive device.
  • the motor drive device includes an electromechanical actuator 3.
  • the screen 1 is rolled up on the winding tube 2 driven by the motorized drive device.
  • the screen 1 is movable between a rolled up position, in particular high, and an unrolled position, in particular low.
  • the screen 1 is a screen for closing, concealment and/or solar protection, winding and unwinding around the winding tube 2, the internal diameter of which is substantially greater than the external diameter of the electromechanical actuator 3 , so that the electromechanical actuator 3 can be inserted into the winding tube 2 when assembling the concealment device.
  • the concealment device comprises a holding device, not shown.
  • the holding device can comprise two supports.
  • a support is arranged at each end of the winding tube 2, in an assembled configuration of the concealment device.
  • the winding tube 2 is held by means of the supports.
  • the supports make it possible to mechanically link the concealment device to the structure of the building, in particular to a wall of the building.
  • the holding device can comprise a box.
  • the winding tube 2 and at least part of the screen 1 are housed inside the box, in the assembled configuration of the screening device.
  • the box is arranged above the opening O, or even in the upper part of the opening O.
  • the supports are also housed inside the box.
  • the winding tube 2 is held via the casing, in particular via the flanges of the casing, without using supports, such as the supports mentioned above.
  • the concealment device can also comprise two side slides, not shown.
  • Each side slide includes a groove.
  • Each groove of one of the side slides cooperates, in other words is configured to cooperate, with a side edge of the screen 1, in the assembled configuration of the concealment device, so as to guide the screen 1, during the winding and unwinding of the screen 1 around the winding tube 2.
  • the electromechanical actuator 3 is, for example, of the tubular type. This makes it possible to rotate the rolling tube 2 around an axis of rotation X, so as to unroll or roll up the screen 1.
  • the screen 1 can be rolled up and unrolled on the rolling tube 2.
  • the electromechanical actuator 3 is inserted into the rolling tube 2.
  • the concealment device further comprises a load bar, not shown, to exert tension on the screen 1.
  • the roll-up blind which forms the screening device, comprises a fabric, forming the screen 1.
  • the fabric forming the screen 1 is made from a textile material.
  • the high rolled-up position corresponds to a predetermined high end-of-travel position, or even to the bearing of the load bar of the screen 1 against an edge of a box of the blind can be rolled up
  • the unrolled low position corresponds to a predetermined low end-of-travel position, or to the pressing of the load bar of the screen 1 against a threshold of the opening O, or even to the complete unrolling of the screen 1.
  • the motorized drive device is controlled by a control unit, not shown.
  • the control unit can be, for example, a local control unit or a central control unit.
  • the local control unit can be connected, in a wired or wireless connection, with the central control unit.
  • the central control unit can control the local control unit, as well as other similar local control units distributed in the building.
  • the motorized drive device is preferably configured to execute the commands for unwinding or rolling up the screen 1, which can be issued, in particular, by the local or central control unit.
  • Installation I comprises either the local control unit, or the central control unit, or the local control unit and the central control unit.
  • the electromechanical actuator 3 includes an electric motor 53.
  • Means for controlling the electromechanical actuator 3, allowing the movement of the screen 1, comprise at least one control unit 6, in particular an electronic control unit.
  • This control unit 6 is capable of putting the electric motor 53 into operation and, in particular, of allowing the electric power supply of the electric motor 53.
  • control unit 6 commands, in particular, the electric motor 53, so as to open or close the screen 1, as described previously.
  • the control means of the electromechanical actuator 3 comprise hardware and/or software means.
  • the hardware means may comprise at least one microcontroller, not shown.
  • control unit 6 further comprises a first communication module, not shown, in particular for receiving control commands, the control commands being transmitted by a command transmitter, such as the unit local control unit or the central control unit, these commands being intended to control the motorized drive device.
  • a command transmitter such as the unit local control unit or the central control unit
  • the first communication module of the control unit 6 is of the wireless type.
  • the first communication module is configured to receive radio control commands.
  • the first communication module can also allow the reception of control commands transmitted by wired means.
  • control unit 6, the local control unit and/or the central control unit can be in communication with a weather station, arranged inside the building or remote outside the building, including, in particular, one or more sensors that can be configured to determine, for example, a temperature, a luminosity, or even a wind speed, in the case where the weather station is moved outside the building.
  • control unit 6, the local control unit and/or the central control unit can also be in communication with a server, not shown, so as to control the electromechanical actuator 3 according to data updated.
  • remote disposal via a communication network, in particular an Internet network which can be connected to the server.
  • the control unit 6 can be controlled from the local or central control unit.
  • the local or central control unit is provided with a control keyboard.
  • the control keyboard of the local or central control unit comprises one or more selection elements and, optionally, one or more display elements.
  • the selection elements can comprise push buttons and/or sensitive keys.
  • the display elements may comprise light-emitting diodes and/or an LCD (acronym of the Anglo-Saxon term “Liquid Crystal Display”) or TFT (acronym of the Anglo-Saxon term “Thin Film Transistor”) display.
  • the selection and display elements can also be produced by means of a touch screen.
  • the local or central control unit comprises at least one second communication module.
  • the second communication module of the local or central control unit is configured to transmit, in other words sends, control commands, in particular by wireless means, for example radioelectric, or by wired means.
  • the second communication module of the local or central control unit can also be configured to receive, in other words receives, control commands, in particular via the same means.
  • the second communication module of the local or central control unit is configured to communicate, in other words communicates, with the first communication module of the control unit 6.
  • the second communication module of the local or central control unit exchanges control commands with the first communication module of the control unit 6, either unidirectionally or bidirectionally.
  • the local control unit is a control point, which can be fixed or mobile.
  • a fixed control point can be a control box intended to be fixed on a facade of a wall of the building or on a face of a fixed frame of a window or a door.
  • a nomadic control point can be a remote control, a smart phone or a tablet.
  • the local or central control unit further comprises a controller.
  • the motorized drive device in particular the control unit 6, is preferably configured to execute movement control commands, in particular closing as well as opening, of the screen 1. These commands can be issued, in particular, by the local or central control unit.
  • the motorized drive device can be controlled by the user, for example by receiving a control command corresponding to a press on the or one of the selection elements of the local or central control unit.
  • the motorized drive device can also be controlled automatically, for example by receiving a control command corresponding to at least one signal coming from at least one sensor and/or to a signal coming from a clock of the control unit 6, in particular of the microcontroller.
  • the sensor and/or the clock can be integrated into the local or central control unit.
  • the electromechanical actuator 3 is supplied with electrical energy by an electrical energy supply source, not shown, which can be either a mains power supply network or a battery, which can be recharged, for example, by a photovoltaic panel, not shown.
  • an electrical energy supply source not shown, which can be either a mains power supply network or a battery, which can be recharged, for example, by a photovoltaic panel, not shown.
  • the electromechanical actuator 3 comprises an electrical power cable 10 enabling it to be supplied with electrical energy from the electrical energy supply source.
  • the electrical power cable 10 may comprise at least one electrical connector, in particular one at each of its ends or just one at one of its ends.
  • This power supply cable 10 may be, for example, a cord, in the case where the electromechanical actuator 3 is supplied with electrical energy from a mains power supply network, which may have, for example, a supply voltage of 110V or 230V, or a cable provided with sockets of the RJ45 type (acronym of the Anglo-Saxon term "Registered Jack"), in the case where the electromechanical actuator 3 is supplied with electrical energy from an Ethernet network.
  • the electromechanical actuator 3 comprises a casing 4, in particular tubular.
  • the electric motor 53 is mounted inside the casing 4, in an assembled configuration of the electromechanical actuator 3.
  • the housing 4 is shown in axis lines and is transparent.
  • the casing 4 of the electromechanical actuator 3 is of cylindrical shape, in particular of revolution.
  • the casing 4 is made of a metallic material.
  • the material of the housing of the electromechanical actuator is not limiting and can be different. It may be, in particular, a plastic material.
  • control unit 6 comprises a first electronic card, not shown, and possibly a second electronic card, not shown.
  • the first electronic card is configured to control the electric motor 53.
  • the second electronic card can be configured to, in particular, allow the charging of a battery, not shown, of the electromechanical actuator 3 and, possibly, access parameter setting and/or configuration functions of the electromechanical actuator 3, by means of selection and, possibly, display elements, not shown.
  • the electromechanical actuator 3 further comprises a reducer 51.
  • the reducer 51 comprises at least one reduction stage.
  • the reduction stage may be an epicyclic type gear train.
  • the type and number of reduction stages of the reducer are not limiting.
  • the electric motor 53 and the reducer 51 are mounted inside a mass tube 54.
  • the electric motor 53, the reducer 51 and the control unit 6 are aligned along the axis X, which also forms a longitudinal axis of the electromechanical actuator 3.
  • the electromechanical actuator 3 further comprises an output shaft 3A.
  • the electromechanical actuator 3 further comprises a brake 52.
  • the brake 52 can be a spring brake, a cam brake, an electromagnetic brake or a magnetic brake.
  • the brake 52 is configured to be arranged, in other words is arranged, between the electric motor 53 and the reducer 51, that is to say at the output of the electric motor 53.
  • the reducer 5 and, possibly, the brake 52 are arranged inside the casing 4 of the electromechanical actuator 3, in the assembled configuration of the electromechanical actuator 3.
  • the electromechanical actuator 3 can also comprise an end-of-travel and/or obstacle detection device, which can be mechanical or electronic.
  • the winding tube 2 is driven in rotation around the axis of rotation X and the casing 4 of the electromechanical actuator 3 while being supported via two pivot links.
  • the first pivot connection is made at a first end of the winding tube 2 by means of a crown, not shown, inserted around a first end of the casing 4 of the electromechanical actuator 3. The crown thus allows to make a landing.
  • the second pivot connection is made at a second end of the winding tube 2.
  • the electromechanical actuator 3 comprises a torque support 11, which can also be called “actuator head”.
  • the torque support 11 is arranged at the first end of the casing 4, in the assembled configuration of the electromechanical actuator 3.
  • the torque support 11 makes it possible to ensure the resumption of the forces exerted by the electromechanical actuator 3 and, in particular, to ensure the resumption of the forces exerted by the electromechanical actuator 3, in particular the torque exerted by the electromechanical actuator 3 , by the structure of the building.
  • the torque support 11 advantageously makes it possible to ensure, in addition, the absorption of the forces exerted by the winding tube 2, in particular the weight of the winding tube 2, of the electromechanical actuator 3 and of the screen 1, by the structure of the building.
  • the torque support 11 makes it possible to fix the electromechanical actuator 3 on the holding device, in particular to one of the supports or to one of the flanges of the box.
  • the torque support 11 projects at the level of the first end of the casing 4 of the electromechanical actuator 3, in particular the end of the casing 4 receiving the crown.
  • the crown constitutes, in other words is configured to constitute, a bearing for guiding the winding tube 2 in rotation, in the assembled configuration of the concealment device.
  • the torque support 11 can also make it possible to close off the first end of the casing 4.
  • the torque support 11 can make it possible to support at least part of the control unit 6.
  • control unit 6 is supplied with electrical energy by means of the electrical supply cable 10.
  • control unit 6 is arranged at least partly inside the casing 4.
  • control unit 6 can be arranged at least partly outside the casing 4 and, in particular, mounted on one of the two supports, on one of the cheeks of the box or in the support of couple 11.
  • the first electronic card of the control unit 6 is placed inside the casing 4.
  • the second electronic card is placed inside the torque support 11.
  • the torque support 11 comprises a cover, not shown. Furthermore, the second electronic card is placed inside a housing formed between the torque support 11 and the cover.
  • the torque support 11 comprises at least one button, not shown.
  • buttons can make it possible to adjust the electromechanical actuator 3 through one or more configuration modes, to pair with the electromechanical actuator 3 one or more control units, to reset one or more parameters, which can be, for example, an end-of-travel position, to reinitialize the paired control unit(s) or even to control the movement of screen 1.
  • the torque support 11 comprises at least one display device, not shown, so as to allow a visual indication, which can be, for example, a state of charge of a battery.
  • the display device comprises at least one light source, not shown, in particular a light-emitting diode, mounted on the second electronic card and, optionally, a transparent or translucent cover and/or a light guide, to allow the passage of the light emitted by the lighting source.
  • a light-emitting diode mounted on the second electronic card and, optionally, a transparent or translucent cover and/or a light guide, to allow the passage of the light emitted by the lighting source.
  • the output shaft 3A is arranged inside the winding tube 2 and at least partly outside the casing 4.
  • one end of the output shaft 3A projects relative to the casing 4, in particular relative to the second end of the casing 4 opposite the first end.
  • the output shaft 3A is configured to rotate a connecting element, not shown, connected to the winding tube 2.
  • the connecting element is made in the form of a wheel.
  • the electric motor 53 and the reducer 51 drive the output shaft 3A in rotation.
  • the output shaft 3A rotates the winding tube 2 via the connecting element.
  • the winding tube 2 rotates the screen 1 of the screening device, so as to open or close the opening O.
  • the reducer 51 is connected to the output shaft 3A via a first vibration filtering member 8, in other words vibration decoupling, in particular an Oldham joint.
  • This vibration filtering member 8 makes it possible to accept, during assembly and operation of the electromechanical actuator 3, a misalignment between the output shaft 3A and the reducer 51.
  • the electric motor 53 is connected to the support of torque 11 via a second vibration filtering member 8, in other words vibration decoupling, in particular an Oldham joint, with the same effect between the electric motor 53 and the torque support 11 that between the reducer 51 and the output shaft 3A.
  • the second vibration filtering member 8 is connected to a torque transmission member 9, which is connected to the torque support 11.
  • Assembly 5 formed by the electric motor 53 and the reducer 51 is therefore mounted, in the electromechanical actuator 3, by means of two vibration filtering members 8.
  • This assembly 5 is commonly called a "geared motor”.
  • the electric motor 53 is electrically connected to the control unit 6, in particular by means of connection elements and/or power supply wires.
  • Assembly 5 may also include brake 52 depending on the assembly configuration of electromechanical actuator 3.
  • assembly 5 may also include mass tube 54 depending on the assembly configuration of the electromechanical actuator 3.
  • the two suspension members 12 are identical.
  • the suspension member 12 comprises a support 14, preferably made of synthetic material, in particular of polyamide.
  • An envelope of this support 14 forms a cylinder of revolution, with a circular base, centered on an axis X12 which coincides with the axis X in the mounted configuration of the suspension member 12 in the electromechanical actuator 3 and therefore in installation I.
  • the support 14 is composed of a hub 16 and a collar 18, external with respect to the hub 16. The support 14 is in one piece.
  • Hub 16 defines an outer peripheral surface S16 that is circular and centered on axis X12.
  • the diameter of the outer peripheral surface S16 is denoted D16.
  • the collar 18 is a cylinder of revolution with a circular base, the outer diameter D18 of which is greater than the outer diameter D16 of the hub 16 and less than the inner diameter d4 of the casing 4.
  • the hub 16 defines a central orifice 012 of the suspension member 12.
  • This central orifice 012, centered on the axis X12, is a volume for receiving part of the electromechanical actuator 3, in particular of the electric motor 53 or of the reducer 51, since the electric motor 53 or the reducer 51 is mounted in one of the suspension members 12.
  • s16 the internal radial surface of the hub 16 which defines the periphery of the central orifice 012 which, in this example, is circular and centered on the X12 axis.
  • the outer peripheral surface S18 of the collar 18 is also circular and centered on the axis X12.
  • the internal radial surface s18 of the flange 18 has the same geometry as the internal radial surface s16 of the hub 16.
  • a flange 20 in the form of a circular ring is attached to and immobilized on the support 14, for example glued or fixed by screws, not shown.
  • the outer peripheral surface S20 of the flange 20 has the same geometry as the peripheral surface S18 of the flange 18.
  • the inner radial surface s20 of the flange 20 has the same geometry as the inner radial surface s16 of the hub 16.
  • An assembly formed of the hub 16, the flange 18 and the flange 20 mounted on the hub 16, in other words on the support 14, is part of a circular envelope centered on the axis X12 and defined radially between, on a hand, the surfaces s16, s18 and s20 and, on the other hand, the surfaces S16, S18 and S20.
  • suspension member 12 represented on the figures 1 to 4 is an annular suspension member and, more particularly, circular.
  • the hub 16 comprises three housings 22.
  • the housings 22 are regularly distributed on the periphery of the hub 16, so that an angle ⁇ , measured radially to the axis X12, between straight lines D22 passing through the center of two housings 22 is equal to 120°.
  • Three springs 24 are mounted on the support 14, each spring 24 being accommodated in one of the housings 22.
  • the springs 24 can be metallic.
  • Each spring 24 bears against the collar 18 on a first axial side and against the flange 20 on a second axial side opposite the first axial side.
  • the springs 24 cannot move along the axis X12, relative to the hub 16, in other words to the support 14.
  • the hub 16 is provided with three notches 28, each opening into a housing 22, for the insertion of part of a spring 24.
  • Each spring 24 includes a hook 24a.
  • Each hook 24a is “C” shaped.
  • Each spring 24 further comprises a tab 24b for holding the spring 24 in the support 14.
  • the tab 24b of each spring 24 extends the hook 24a corresponding to one of its ends.
  • Each lug 24b is intended to be inserted into one of the notches 28 of the hub 16.
  • each spring 24 is made of steel.
  • each spring 24 is first placed in the support 14, by inserting each lug 24b into the corresponding notch 28, so that each hook 24a is located in the corresponding housing 22. Following this, the flange 20 is put in place and immobilized on the hub 16 to maintain the springs 24 in position in the support 14 and, consequently, in the suspension member 12.
  • the suspension member 12 is then mounted on the electric motor 53 or on the reducer 51, by engaging a part of the electric motor 53 or the reducer 51 in the orifice 012 of the suspension member 12.
  • the hooks 24a of the springs 24 are in contact with an internal surface of the casing 4.
  • the mounting of the suspension member 12 on the electric motor 53 or on the reducer 51 is carried out by means of a bearing, not shown.
  • the bearing can be mounted either directly on the electric motor 53 or on the reducer 51 or on the mass tube 54 belonging to assembly 5.
  • the collar 18 and the flange 20 are, due to their diameter D18, D20, at a radial distance, which can be, for example, between 0.5 mm and 1 mm, from the internal surface of the casing 4.
  • a radial distance between the internal surface of the casing 4 and the surfaces S18, S20 of the flange 18 and of the flange 20 is equal to 1 mm.
  • the vibrations of the assembly 5 are filtered by the springs 24, without the flange 18 or the flange 20 does not come into contact with the casing 4. This makes it possible to limit the noise produced by the electromechanical actuator 3 when the electric motor 53 is electrically activated.
  • this radial distance being relatively small, this allows, during a shock, for example if the electromechanical actuator 3 falls during handling during manufacture, transport or during installation on the device concealment, not to stress the springs 24 too much by bringing the collar 18 and/or the flange 20 into contact with the casing 4.
  • the invention is described above in the context of a solar protection installation. It can also be implemented in the context of a closure or concealment installation, where the screen 1 performs a function of closing the opening O.
  • the screen 1 can be, for example, a grid or an assembly of slats hinged together.
  • the number of springs 24 is different, for example equal to four or seven.
  • the number of housings 22 formed in the hub 16 is also different to correspond to the number of springs 24 and the ⁇ between the straight lines D22 defined by the various adjacent housings 22 is adapted to correspond to the number of housings 22.
  • the support 14 is molded directly on the springs 24, so that the support 14 forms a single piece.
  • the hub 16, the flange 18 and the flange 20 can be separate parts from each other or even be formed from a single part.
  • the diameters of the peripheral surfaces S18, S20 of the flange 18 and of the flange 20 are different.
  • only one of these surfaces S18, S20, namely that of larger diameter, serves to center the suspension member 12 in the casing 4 and comes into contact with its internal surface in the event of an impact.
  • the assembly formed by the support 14 and the flange 20 is part of an envelope of different geometry, for example in a cylindrical envelope with a polygonal base.
  • the suspension member 12 is made in one piece from a steel sheet in which tongues are cut to form the springs 24. The two ends of the sheet are then joined together, for example by welding them to form the suspension member 12.
  • the electromechanical actuator 3 is inserted into a rail, in particular of square or rectangular section, which can be opened at one or both ends, in the assembled configuration of the concealment device. Furthermore, the electromechanical actuator 3 can be configured to drive a drive shaft on which cords for moving and/or orienting the screen 1 are wound.
  • the brake 52 is configured to be arranged, in other words is arranged, between the reducer 51 and the output shaft 3A, in other words at the output of the reducer 51, or between two reduction stages of the reducer 51, or between the control unit 6 and the electric motor 53, in other words at the input of the electric motor 53, in the latter case the brake 52 is an electromagnetic brake.
  • the vibration filtering member 8 may be similar to that described in the application WO 2018/104488 A1 .
  • the springs 24 further comprise damping elements.
  • damping elements can be, for example, elastomer elements, which can be arranged inside or outside the springs 24.
  • the springs 24 can be made of a plastic material.
  • This plastic material of the springs 24 can be chosen, for example, from the following families of materials: polyoxymethylene, commonly designated by the abbreviation POM, polyamide, commonly designated by the abbreviation PA, or polyethylene, commonly designated by the abbreviation PE, with or without the presence of a load.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Fluid-Damping Devices (AREA)
  • Springs (AREA)

Claims (7)

  1. Elektromechanischer Aktuator (3) einer Schließ- oder Sonnenschutzanlage (I),
    der elektromechanische Aktuator (3) umfassend:
    - mindestens ein Aufhängungselement (12) und
    - ein Gehäuse (4),
    wobei das Aufhängungselement (12) konfiguriert ist, um innerhalb des Gehäuses (4) des elektromechanischen Aktuators (3) montiert zu werden,
    das Aufhängungselement (12) ringförmig ist und ein Volumen (012) zum Aufnehmen eines Teils (51, 53) des elektromechanischen Aktuators (3) definiert, das Aufhängungselement (12) umfassend:
    - mindestens drei Federn (24) und
    - eine Halterung (14), auf der jede Feder (24) montiert ist,
    wobei die Halterung (14) eine zylindrische Form aufweist,
    die Halterung (14) umfassend eine Nabe (16),
    dadurch gekennzeichnet,
    dass die Nabe (16) mit mindestens drei Sitzen (22) versehen ist, um jeweils eine Feder (24) aufzunehmen, sodass jede Feder (24) von einer äußeren Umfangsfläche (S18, S20) der Halterung (14) hervorsteht,
    und dass jede Feder (24) einen C-förmigen Haken (24a) und eine Lasche (24b) umfasst, die konfiguriert ist, um in eine durchgehende Kerbe (28) einer der Aufnahmen (22) der Nabe (16) eingeführt zu werden.
  2. Elektromechanischer Aktuator (3) einer Schließ- oder Sonnenschutzanlage (I) nach Anspruch 1, dadurch gekennzeichnet, dass die Anzahl der Aufnahmen (22) drei ist, die gleichmäßig um die Nabe (16) verteilt sind, sodass Winkel (a) zwischen Geraden (D22), die durch die Mitte jeder Aufnahme (22) und die Mitte der Nabe (16) verlaufen, 120° sind.
  3. Elektromechanischer Aktuator (3) einer Schließ- oder Sonnenschutzanlage (I) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Halterung (14) mindestens einen zylindrischen Bund (18) mit einem Außendurchmesser (D18) umfasst, der größer ist als der Außendurchmesser (D16) der Nabe (16), und dass jede Feder (24) von einer Außenumfangsfläche (S18) des Bunds (18) hervorsteht, die die Außenumfangsfläche der Halterung (14) bildet.
  4. Elektromechanischer Aktuator (3) einer Schließ- oder Sonnenschutzanlage (I) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass jede Feder (24) aus Metall, vorzugsweise aus Stahl, ist.
  5. Elektromechanischer Aktuator (3) einer Schließ- oder Sonnenschutzanlage (I) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet
    dass der elektromechanische Aktuator (3) ferner einen Elektromotor (53) und ein Untersetzungsgetriebe (51) umfasst,
    dass der Elektromotor (53), das Untersetzungsgetriebe (51) und das Aufhängungselement (12) innerhalb des Gehäuses (4) montiert sind,
    und dass das Aufhängungselement (12) an dem Elektromotor (53) oder an dem Getriebe (51) montiert ist.
  6. Elektromechanischer Aktuator (3) einer Schließ- oder Sonnenschutzanlage (I) nach Anspruch 5, dadurch gekennzeichnet, dass der Elektromotor (53) und das Getriebe (51) mittels zweier Schwingungsfilterelemente (8) im Inneren des Gehäuses (4) montiert sind.
  7. Schließ- oder Sonnenschutzanlage (I), umfassend einen Schirm (1), der durch einen elektromechanischen Aktuator (3) zur Bewegung angetrieben wird, dadurch gekennzeichnet, dass der elektromechanische Aktuator (3) einem der Ansprüche 1 bis 6 entspricht.
EP20213177.7A 2019-12-11 2020-12-10 Elektromechanisches stellglied, das ein aufhängungsorgan umfasst, und schliess- oder sonnenschutzanlage, die ein solches elektromechanisches stellglied umfasst Active EP3835538B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1914125A FR3104635B1 (fr) 2019-12-11 2019-12-11 Organe de suspension, actionneur électromécanique comprenant un tel organe de suspension et installation de fermeture ou de protection solaire comprenant un tel actionneur électromécanique

Publications (2)

Publication Number Publication Date
EP3835538A1 EP3835538A1 (de) 2021-06-16
EP3835538B1 true EP3835538B1 (de) 2023-07-19

Family

ID=69903402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20213177.7A Active EP3835538B1 (de) 2019-12-11 2020-12-10 Elektromechanisches stellglied, das ein aufhängungsorgan umfasst, und schliess- oder sonnenschutzanlage, die ein solches elektromechanisches stellglied umfasst

Country Status (2)

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EP (1) EP3835538B1 (de)
FR (1) FR3104635B1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008000057U1 (de) * 2008-05-16 2008-08-21 K-Systems Gmbh Motorhalterung für einen Motor in einer Rollladen-Wickelwelle
JP6068937B2 (ja) * 2012-11-07 2017-01-25 文化シヤッター株式会社 開閉装置
CA2943738C (en) * 2015-12-16 2023-07-04 Zmc Metal Coating Inc. Torque transfer coupler with anti-slip feature for roller blind drive mechanism
FR3059699B1 (fr) 2016-12-07 2019-05-17 Somfy Sas Organe de suspension, actionneur electromecanique comprenant un tel organe de suspension et installation de fermeture ou de protection solaire comprenant un tel organe de suspension ou un tel actionneur electromecanique
DE202017100632U1 (de) * 2017-02-07 2018-05-08 Vkr Holding A/S Antriebsanordnung für eine Fensterabschirmvorrichtung

Also Published As

Publication number Publication date
FR3104635B1 (fr) 2022-03-18
FR3104635A1 (fr) 2021-06-18
EP3835538A1 (de) 2021-06-16

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