WO2020084103A1 - Actionneur électromécanique et installation domotique comprenant un tel actionneur - Google Patents
Actionneur électromécanique et installation domotique comprenant un tel actionneur Download PDFInfo
- Publication number
- WO2020084103A1 WO2020084103A1 PCT/EP2019/079130 EP2019079130W WO2020084103A1 WO 2020084103 A1 WO2020084103 A1 WO 2020084103A1 EP 2019079130 W EP2019079130 W EP 2019079130W WO 2020084103 A1 WO2020084103 A1 WO 2020084103A1
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- WO
- WIPO (PCT)
- Prior art keywords
- spring
- spring brake
- rotation
- electromechanical actuator
- brake
- Prior art date
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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
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
- E06B9/90—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for immobilising the closure member in various chosen positions
-
- 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
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
- E06B9/90—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for immobilising the closure member in various chosen positions
- E06B2009/905—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for immobilising the closure member in various chosen positions using wrap spring clutches
Definitions
- Electromechanical actuator and home automation installation comprising such an actuator
- the present invention relates to an electromechanical actuator.
- the electromechanical actuator includes a spring brake. This type of brake is more particularly suitable for a so-called tubular electromechanical actuator.
- the present invention also relates to a domotic closing or sun protection installation comprising a screen which can be rolled up on a winding tube driven in rotation by such an electromechanical actuator.
- the present invention relates to the field of concealment devices comprising a motorized drive device which sets in motion 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 element for closing, blocking or sun protection such as a shutter, a door, a grid, a blind or any other equivalent material, hereinafter called a screen. .
- the electromechanical actuator includes an electric motor, a reduction gear and a spring brake.
- the spring brake includes a coil spring, a drum, an input member and an output member.
- the coil spring is formed from a wire.
- a first end of the coil spring forms a first tab, extending radially with respect to an axis of rotation of the spring brake.
- a second end of the coil spring forms a second tab, extending radially with respect to the axis of rotation of the spring brake.
- the coils of the coil spring are configured to be contiguous in a state of rest of the spring brake.
- the drum comprises a housing, of cylindrical shape.
- the drum housing includes an internal friction surface configured to cooperate with at least one coil of the coil spring, in an assembled configuration of the spring brake. In this way, at least one turn of the helical spring is constrained radially by the housing of the drum.
- the exit device includes a first ear and a second ear. Each of the first and second ears includes a recess. The recess in each of the first and second ears includes a bearing surface configured to cooperate with one of the first and second legs of the coil spring, in the assembled configuration of the spring brake.
- the input member is configured to be driven in rotation by the motor electric.
- An input member drive tooth is configured to cooperate with one of the first and second legs of the coil spring, so as to rotate the coil spring around an axis of rotation of the spring brake in a first direction of rotation. Such a movement releases the spring brake.
- the friction force between the turns of the helical spring and the internal surface of the drum housing is reduced during the rotational driving of the helical spring in the first direction of rotation. In other words, this movement tends to reduce the diameter of the external envelope of the helical spring and therefore to reduce the radial stress between the helical spring and the internal surface of the drum housing.
- One of the first and second ears of the output member is configured to cooperate with one of the first and second legs of the coil spring, so as to rotate the coil spring around the axis of rotation of the brake. spring in a second direction of rotation, the second direction of rotation being opposite to the first direction of rotation.
- Such movement activates the spring brake.
- the friction force between the turns of the coil spring and the internal surface of the drum housing is increased when the coil spring is rotated in the second direction of rotation. In other words, this movement tends to increase the diameter of the external envelope of the helical spring and therefore to increase the radial stress between the helical spring and the internal surface of the drum housing.
- this electromechanical actuator has the disadvantage of generating operating noise and of removing the turns of the helical spring from one another, during a braking phase implemented by the spring brake. These phenomena are due to the fact that the bearing surface of the recess of the output member is parallel to the axis of rotation of the spring brake.
- the braking phase implemented by the spring brake corresponds, more particularly, to a descent phase of a screen of a device for obscuring the installation.
- the object of the present invention is to solve the aforementioned drawbacks and to propose an electromechanical actuator for a domotic installation for closing or solar protection comprising a spring brake, as well as a domotic installation for closing or solar protection comprising such an electromechanical actuator. , making it possible to avoid the separation of the coils of the helical spring with respect to the others, during a braking phase implemented by the spring brake, as well as reducing the operating noise of the spring brake, when driving an input member and / or an outlet member with respect to a drum.
- the present invention relates, according to a first aspect, to an electromechanical actuator for a home automation system for closing or solar protection, the electromechanical actuator comprising at least:
- the spring brake comprising at least:
- the drum comprising a friction surface configured to cooperate with at least one turn of the helical spring, in a brake assembly configuration spring
- the output member comprising at least one lug
- the ear comprising a recess
- the ear recess comprising at least a first bearing surface configured to cooperate with one of the first and second legs of the coil spring, in the assembled configuration of the spring brake.
- the first bearing surface of the recess of the output member is inclined relative to an axis of rotation of the spring brake with an angle of inclination of non-zero value.
- the angle of inclination of the first bearing surface of the recess of the output member relative to the axis of rotation of the spring brake makes it possible to avoid a spacing of the turns of the helical spring with respect to each other, during a braking phase of the spring brake, and, more particularly, of a first turn of the helical spring with respect to a next turn of the helical spring, during '' a braking phase of the spring brake, as well as reducing the operating noise of the spring brake, when the input member and / or the output member are rotated relative to the drum .
- the angle of inclination of the first bearing surface of the recess of the output member relative to the axis of rotation of the spring brake makes it possible to guarantee a lateral force on one of the first and second legs of the coil spring, so as to maintain the contiguous turns of the coil spring, during a braking phase of the spring brake.
- the angle of inclination of the first bearing surface of the recess of the output member relative to the axis of rotation of the spring brake makes it possible to induce a force at one first and second legs of the coil spring and thus attenuate the vibration of the coil spring, by stabilizing this force at the first turn of the coil spring.
- the first coil of the coil spring can also be called the end coil of the coil spring connected to one of the first and second legs of the coil spring.
- the value of the angle of inclination is included in a range of values extending between 5 ° and 45 ° and is, preferably, of the order of 20 ° to 25 °.
- the inclination of the first bearing surface of the recess relative to the axis of rotation of the spring brake is such that this first bearing surface is oriented towards the inside the outlet.
- the outlet member comprises a first ear and a second ear.
- Each of the first and second ears includes a recess.
- the recess of each of the first and second ears comprises at least the first bearing surface configured for cooperate with one of the first and second legs of the coil spring, in the assembled configuration of the spring brake.
- the first bearing surface of at least one of the recesses of the output member is inclined relative to the axis of rotation of the spring brake by an angle of inclination of non-zero value.
- the recess of the output member comprising the first bearing surface inclined relative to the axis of rotation of the spring brake is that the first or second ear of the output member configured to cooperate with the first or the second leg of the helical spring, during a braking phase of the spring brake.
- the first bearing surface of each of the recesses of the output member is inclined relative to the axis of rotation of the spring brake of the angle of inclination of value not nothing.
- each of the first and second legs of the helical spring extends radially relative to the axis of rotation of the spring brake.
- the input member comprises a drive tooth.
- the first leg of the coil spring is configured to cooperate with a first surface of the drive tooth of the input member and the second leg of the coil spring is configured to cooperate. with a second surface of the drive tooth of the input member.
- the second surface of the drive tooth is opposite the first surface of the drive tooth.
- the spring brake also comprises a cover.
- the input member and the cover are held in rotation with respect to the axis of rotation, in the assembled configuration of the spring brake.
- the recess comprises at least one second bearing surface inclined relative to the axis of rotation of the spring brake by an angle of inclination of non-zero value.
- the present invention aims, according to a second aspect, a home automation system for closing or sun protection comprising a screen that can be rolled up on a winding tube driven in rotation by an electromechanical actuator according to the invention.
- This home automation installation has characteristics and advantages similar to those described above in relation to the electromechanical actuator according to the invention, as mentioned above.
- Figure 1 is a schematic cross-sectional view of a home automation installation according to a first embodiment of the invention
- Figure 2 is a schematic perspective view of the home automation installation illustrated in Figure 1;
- Figure 3 is a schematic view in axial and partial section of the home automation installation illustrated in Figures 1 and 2, at an electromechanical actuator;
- Figure 4 is an exploded schematic perspective view of a spring brake of the electromechanical actuator illustrated in Figure 3, where a drum of the spring brake is omitted;
- Figure 5 is a schematic sectional view of the spring brake illustrated in Figure 4, along a sectional plane passing through an axis of rotation of the spring brake, where the drum of the spring brake is shown;
- Figure 6 is a schematic sectional view of the spring brake illustrated in Figures 4 and 5, along a sectional plane offset from the axis of rotation of the spring brake, where the drum of the spring brake is omitted;
- Figure 7 is a schematic perspective view of an output member of the spring brake illustrated in Figures 4 to 6;
- Figure 8 is a schematic side view of the outlet member illustrated in Figure 7;
- Figure 9 is a view similar to Figure 4 illustrating a spring brake of an electromechanical actuator according to a second embodiment, where the spring brake drum is shown;
- Figure 10 is a view similar to Figure 5 illustrating the spring brake of the electromechanical actuator according to the second embodiment;
- FIG. 11 is a schematic elevation view of the spring brake of the electromechanical actuator according to the second embodiment, in an assembled configuration of the spring brake.
- a home automation installation is described in accordance with a first embodiment of the invention and installed in a building comprising an opening 1, window or door, equipped with a screen 2 belonging to a concealment device 3, in particular a motorized roller shutter.
- the blackout device 3 can be a rolling shutter, as illustrated in FIGS. 1 and 2, a canvas blind or with adjustable slats, or even a rolling gate.
- the present invention applies to all types of concealment device.
- the screen 2 of the concealment device 3 is wound on a winding tube 4 driven by a motorized drive device 5 and movable between a wound position, in particular high, and an unwound position, in particular low.
- the movable screen 2 of the concealment device 3 is a closure, concealment and / or sun protection screen, which is wound on the winding tube 4 whose internal diameter is substantially greater than the external diameter of a electromechanical actuator 1 1, so that the electromechanical actuator 1 1 can be inserted into the winding tube 4, during the assembly of the concealment device 3.
- the motorized drive device 5 comprises the electromechanical actuator 1 1, in particular of the tubular type, making it possible to rotate the winding tube 4, so as to unwind or wind up the screen 2 of the occultation device 3.
- the concealment device 3 comprises the winding tube 4 for winding the screen 2.
- the electromechanical actuator 1 1 is inserted into the winding tube 4.
- the roller shutter which forms the concealment device 3
- the roller shutter comprises an apron comprising horizontal blades hinged to each other, forming the screen 2 of the roller shutter 3, and guided by two lateral slides 6. These blades are contiguous when the deck 2 of the roller shutter 3 reaches its unwound low position.
- the high rolled up position corresponds to the pressing of a final end blade 8, for example in the shape of an L, of the deck 2 of the roller shutter 3 against an edge of a trunk 9 of the roller shutter 3 or when the final end blade 8 stops in a programmed high end position.
- the unrolled low position corresponds to the abutment of the final end blade 8 of the deck 2 of the roller shutter 3 against a threshold 7 of the opening 1 or to the stop of the final end blade 8 in a programmed lower end position.
- the first blade of the apron 2 of the roller shutter 3, opposite the final end blade 8, is connected to the winding tube 4 by means of at least one articulation 10, in particular a band-shaped fastener .
- the winding tube 4 is disposed inside the trunk 9 of the rolling shutter 3.
- the deck 2 of the rolling shutter 3 is wound and unwound around the winding tube 4 and is housed at least partially at the interior of trunk 9.
- the trunk 9 is arranged above the opening 1, or even in the upper part of the opening 1.
- the motorized drive device 5 is controlled by a control unit.
- the control unit can for example be a local control unit 41, where the local control unit 41 can be connected in wired or wireless connection with a central control unit 42.
- the central control unit 42 can control the local control unit 41, as well as other similar local control units distributed throughout the building.
- the central control unit 42 can be in communication with a remote weather station outside the building, including, in particular, one or more sensors which can be configured to determine, for example, a temperature, a brightness or even a speed of wind.
- a remote control 43 which may be a type of local control unit, provided with a control keyboard and which includes selection and display elements, also allows a user to operate on the electromechanical actuator 1 1 , the local control unit 41 and / or the central control unit 42.
- the motorized drive device 5 is preferably configured to execute the unwinding or winding commands for the screen 2 of the concealment device 3, which can be transmitted, in particular, by the remote control 43.
- the electromechanical actuator 1 1 comprises at least one electric motor 12, a reduction gear 14 and a spring brake 15.
- the electric motor 12 comprises a rotor and a stator, not shown, positioned coaxially around an axis of rotation X, which is also the axis of rotation of the winding tube 4 in the mounted configuration of the motorized drive device 5.
- Control means of the electromechanical actuator 1 1, allowing the displacement of the screen 2 of the concealment device 3, comprise at least one unit electronic control 44.
- This electronic control unit 44 is able to put the electric motor 12 of the electromechanical actuator 11 into operation and, in particular, allow the supply of electric energy to the electric motor 12.
- the electronic control unit 44 controls, in particular, the electric motor 12, so as to open or close the screen 2, as described above.
- the electronic control unit 44 also comprises a communication module 55, as illustrated in FIG. 3, in particular for receiving control orders, the control orders being emitted by an order transmitter, such as the remote control 43, intended to control the electromechanical actuator 11, or one of the local 41 or central 42 control units.
- a communication module 55 as illustrated in FIG. 3, in particular for receiving control orders, the control orders being emitted by an order transmitter, such as the remote control 43, intended to control the electromechanical actuator 11, or one of the local 41 or central 42 control units.
- the communication module 55 of the electronic control unit 44 is of the wireless type.
- the communication module 55 is configured to receive radio control commands.
- the communication module 55 can also allow the reception of control orders transmitted by wired means.
- the electronic control unit 44 is arranged inside a casing 13 of the electromechanical actuator 11.
- the electromechanical actuator 1 1 control means include hardware and / or software means.
- the hardware means can comprise at least one microcontroller.
- the electromechanical actuator 1 1 is supplied with electrical energy by a mains power supply network, or even by means of a battery, which can be recharged, for example, by a photovoltaic panel.
- the electromechanical actuator 1 1 makes it possible to move the screen 2 of the concealment device 3.
- the electromechanical actuator 11 includes an electrical power cable 21 allowing it to be supplied with electrical energy from a mains power supply network.
- the casing 13 of the electromechanical actuator 1 1 is preferably of cylindrical shape.
- the casing 13 is made of a metallic material.
- the material of the electromechanical actuator housing is not limiting and may be different. It can, in particular, be a plastic material.
- the winding tube 4 is rotated about the axis of rotation X and the casing 13 of the electromechanical actuator 11 supported by two links pivot.
- the first pivot link is made at a first end of the winding tube 4 by means of a crown 18 inserted around and at a first end 13a of the casing 13 of the electromechanical actuator 1 1.
- the crown 18 thus allows to make a landing.
- the second pivot link is produced at a second end of the winding tube 4.
- the electromechanical actuator 1 1 comprises a torque support 19.
- the torque support 19 protrudes at the first end 13a of the casing 13 of the electromechanical actuator 1 1, in particular the end 13a of the casing 13 receiving the ring gear 18.
- the torque support 19 of the electromechanical actuator 1 1 thus makes it possible to fix the electromechanical actuator 1 1 to a frame 20, in particular to a cheek of the trunk 9.
- the torque support 19 of the electromechanical actuator 11 may make it possible to close off the first end 13a of the casing 13.
- the torque support 19 of the electromechanical actuator 1 1 can be used to support the electronic control unit 44.
- the electronic control unit 44 can be supplied with electrical energy by means of the connected electric power cable 21 electrically to the mains power supply network, or to a battery.
- the reducer 14 comprises at least one reduction stage.
- the reduction stage may be a gear train of the epicyclic type.
- the type and number of reduction stages of the reducer are not limiting.
- the reduction stages can be, for example, two or three in number.
- the electromechanical actuator 1 1 comprises an output shaft 16. One end of the output shaft 16 projects from the casing 13 of the electromechanical actuator 1 1, in particular relative to a second end 13b of the casing 13 opposite its first end 13a.
- the output shaft 16 of the electromechanical actuator 1 1 drives in rotation, in other words is configured to drive in rotation, a connecting element 17 connected to the winding tube 4, in an assembled configuration of the electromechanical actuator 1 1
- the connecting element 17 is produced in the form of a wheel.
- the electromechanical actuator 1 1 When the electromechanical actuator 1 1 is put into operation, the electric motor 12 and the reduction gear 14 rotate the output shaft 16. In addition, the output shaft 16 of the electromechanical actuator 1 1 drives in rotation of the winding tube 4 via the connecting element 17. Thus, the winding tube 4 rotates the screen 2 of the concealment device 3, so as to open or close opening 1.
- the electric motor 12, the reduction gear 14 and the spring brake 15 are mounted inside the casing 13 of the electromechanical actuator 11.
- the spring brake 15 is disposed between the electric motor 12 and the reduction gear 14, that is to say at the outlet of the electric motor 12.
- the spring brake 15 is disposed between two reduction stages of the reducer 14.
- the spring brake 15 is arranged at the outlet of the reduction gear 14.
- the electromechanical actuator 1 1 may also include a device for detecting limit switches and / or obstacles. This detection device can be mechanical or electronic.
- the spring brake 15 comprises at least one helical spring 22, a drum 23, an inlet member 24, an outlet member 25 and, optionally, a cover 33.
- the drum 23 is held in position in the casing 13 of the electromechanical actuator 1 1, in particular by means of recesses 28 formed on the outer periphery of the drum 23 and cooperate, in other words configured to cooperate, with tongues, not shown, a gearbox 14, in the assembled configuration of the electromechanical actuator 1 1.
- gearbox 14 is held in position in the casing 13 of the electromechanical actuator 1 1, by suitable mechanical elements, for example by cooperation of shapes.
- the drum 23 includes a housing 26.
- the housing 26 of the drum 23 is of cylindrical shape.
- the housing 26 of the drum 23 is open.
- the helical spring 22, the input member 24, the output member 25 and, optionally, the cover 33 are arranged inside the housing 26 of the drum 23, in an assembled configuration of the spring brake 15 .
- the outlet member 25 is arranged opposite the inlet member 24.
- the coil spring 22 has a plurality of turns. The turns of the helical spring 22 are centered on an axis coincident with the axis of rotation X, when the spring brake 15 is assembled and then mounted in the electromechanical actuator 11.
- the input member 24 and the output member 25 are centered on an axis coincident with the axis of rotation X, when the spring brake 15 is assembled and then mounted in the electromechanical actuator 11.
- the drum 23 comprises a surface, called a friction surface 27, cooperating, in other words configured to cooperate, with at least one turn of the helical spring 22, in the assembled configuration of the spring brake 15.
- the friction surface 27 of the drum 23 is an internal surface of the housing 26 of the drum 23.
- At least one turn of the helical spring 22 is constrained radially by the housing 26 of the drum 23.
- the coil spring 22 is mounted clamping inside the housing 26 of the drum 23, so as to frictionally secure the coil spring 22 and the drum 23, when the coil spring 22 is at rest, as illustrated in FIG. 5 .
- the coil spring 22 is formed from a wire 48. A first end of the coil spring 22 forms a first tab 29a. A second end of the helical spring 22 forms a second tab 29b.
- the helical spring 22 has contiguous turns, in a state of rest of the spring brake 15.
- the helical spring 22 has two tabs 29a, 29b, respectively visible in FIGS. 4 and 6.
- each of the first and second legs 29a, 29b extends radially with respect to the axis of rotation X and, in particular, towards the inside of the helical spring 22.
- each of the first and second legs 29a, 29b of the helical spring 22 extends radially relative to the axis of rotation X, in the assembled configuration of the spring brake 15.
- each of the first and second legs 29a, 29b of the helical spring 22 extends axially with respect to the axis of rotation X, in the assembled configuration of the spring brake 15.
- first and second legs 29a, 29b of the helical spring 22 extend radially with respect to the axis of rotation X and towards the interior of the helical spring 22, in particular from the turns of the helical spring 22 towards the central axis of the helical spring 22, as illustrated in FIG. 4.
- the input member 24 includes a drive tooth 31.
- the drive tooth 31 extends between the input member 24 and the cover 33, in the assembled configuration of the spring brake 15.
- the drive tooth 31 of the input member 24 is inserted inside the helical spring 22, in the assembled configuration of the spring brake 15.
- the input member 24, in particular the drive tooth 31 of the input member 24, cooperates, in other words is configured to cooperate, with at least one of the first and second legs 29a, 29b of the spring helical 22, in the assembled configuration of the spring brake 15, so as to rotate the helical spring 22 around the axis of rotation X in a first direction of rotation.
- the friction force between at least one turn of the coil spring 22 and the internal surface 27 of the housing 26 of the drum 23 is reduced during the rotational drive of the coil spring 22 in the first direction of rotation.
- this movement tends to reduce the diameter of the external envelope of the helical spring 22 and therefore to reduce the radial stress between the helical spring 22 and the internal surface 27 of the housing 26 of the drum 23.
- the movement generated by the electric motor 12 can be transmitted from the input member 24 to the output member 25.
- the outer casing of the coil spring 22 is defined by the external generators of the coils of the coil spring 22.
- the output member 25 comprises at least one ear 39a, 39b.
- the ear 39a, 39b comprises a recess 40.
- the recess 40 of the ear 39a, 39b comprises at least one first bearing surface 46 configured to cooperate with one of the first and second legs 29a, 29b of the helical spring 22, in the assembled configuration of the spring brake 15.
- the outlet member 25 comprises a first ear 39a and a second ear 39b, as illustrated in FIGS. 4 and 6 to 8.
- the first and second lugs 39a, 39b of the output member 25 make it possible to produce the output member 25 symmetrically with respect to the axis of rotation X, so as to guarantee a balancing of the spring brake 15 , during a rotational movement of the input member 24 relative to the output member 25 about the axis of rotation X.
- each of the first and second ears 39a, 39b of the outlet member 25 comprises a recess 40.
- the recess 40 of each of the first and second ears 39a, 39b of the output member 25 cooperates, in other words is configured to cooperate, with one of the first and second legs 29a, 29b of the helical spring 22, in the assembled configuration of the spring brake 15.
- the recess 40 of each of the first and second ears 39a, 39b comprises at least one first supporting surface 46 cooperating, in other words being configured to cooperate, with one of the first and second legs 29a, 29b of the helical spring. 22, in the assembled configuration of the spring brake 15.
- first and second ears 39a, 39b of the output member 25 are inserted, in other words configured to be inserted, inside the helical spring 22, in the assembled configuration of the spring brake 15.
- the output member 25, in particular one of the first and second ears 39a, 39b, cooperates, in other words is configured to cooperate, with at least one of the first and second legs 29a, 29b of the helical spring 22, in the assembled configuration of the spring brake 15, so as to rotate the helical spring 22 around the axis of rotation X in a second direction of rotation.
- the second direction of rotation is opposite to the first direction of rotation.
- Such a movement activates the spring brake 15, that is to say tends to block or brake the rotation of the helical spring 22 inside the housing 26 of the rotary drum 23.
- the friction force between at least one turn of the coil spring 22 and the internal surface 27 of the housing 26 of the drum 23 is increased during the rotational drive of the coil spring 22 in the second direction of rotation.
- this movement tends to increase the diameter of the external envelope of the helical spring 22, in particular by bringing the first and second legs 29a, 29b of the helical spring 22 closer together, and therefore to increase the radial stress between the helical spring 22 and the internal surface 27 of the housing 26 of the drum 23.
- the spring brake 15 comprises a lubricant, not shown, disposed between the helical spring 22 and the friction surface 27 of the drum 23, in particular the internal surface 27 of the housing 26 of the drum 23.
- the lubricant is preferably the fat.
- the input member 24 is driven, in other words is configured to be driven, in rotation by the electric motor 12, in the assembled configuration of the electromechanical actuator 1 1.
- the first bearing surface 46 of the recess 40 in particular of one of the recesses 40, is inclined relative to the axis of rotation X of the spring brake 15 by an angle of inclination a of value not zero, as shown in Figure 8.
- the angle of inclination a of the first bearing surface 46 of the recess 40, in particular of one of the recesses 40, of the outlet member 25 relative to the axis of rotation X of the spring brake 15 makes it possible to avoid a separation of the turns of the coil spring 22 relative to one another, during a braking phase of the spring brake 15, and, more particularly, of a first turn of the coil spring 22 relative to a next turn of the helical spring 22, during a braking phase of the spring brake 15, as well as reducing the operating noise of the spring brake 15, during the rotation drive of the member d inlet 24 and / or outlet member 25 relative to the drum 23, in particular inside the housing 26 of the drum 23.
- a wear area of the first bearing surface 46 of each recess 40 of the outlet member 25 by one of the first and second legs 29a, 29b of the helical spring 22 is centered relative to the first surface support 46.
- the angle of inclination a of the first bearing surface 46 of the recess 40, in particular of one of the recesses 40, of the outlet member 25 relative to the axis of rotation X of the spring brake 15 makes it possible to guarantee a lateral force on one of the first and second legs 29a, 29b of the helical spring 22, so as to maintain the contiguous turns of the helical spring 22, during a braking phase of the brake spring 15.
- the angle of inclination a of the first bearing surface 46 of one of the recesses 40 of the output member 25 relative to the axis of rotation X of the spring brake 15 makes it possible to create a support of one of the first and second legs 29a, 29b of the helical spring 22 on the first bearing surface 46 of one of the recesses 40 of the outlet member 25, so as to create a partially axial force on the coil spring 22.
- the lateral force of the first inclined bearing surface 46 of one of the recesses 40 of the outlet member 25 on one of the first and second legs 29a, 29b of the helical spring 22 can be qualified as a partial force axial, in the direction of the axis of rotation X of the spring brake 15, since the latter has a non-zero axial component.
- the spring brake 15 induces a force at one of the first and second legs 29a, 29b of the helical spring 22 and thus attenuate the vibration of the helical spring 22, by stabilizing this force at the first turn of the helical spring 22.
- the first turn of the coil spring 22 can also be called the end turn of the coil spring 22 connected to one of the first and second legs 29a, 29b of the coil spring 22.
- the first bearing surface 46 of one of the recesses 40 is inclined relative to a surface 54 of the first or of the second ear 39a, 39b of the member 25 of the value of the angle of inclination a, as illustrated in FIGS. 7 and 8.
- the first tab 29a of the helical spring 22 cooperates, in other words is configured to cooperate, with a first surface 38a of the drive tooth 31 of the input member 24 and the second tab 29b of the helical spring 22 cooperates, in other words is configured to cooperate, with a second surface 38b of the drive tooth 31 of the input member 24.
- the second surface 38b of the drive tooth 31 is opposite the first surface 38a of the drive tooth 31.
- the drive tooth 31 of the input member 24 is disposed between the first and second legs 29a, 29b of the helical spring 22 and cooperates, in other words is configured to cooperate, with one or the other of the lugs 29a, 29b of the helical spring 22, in the assembled configuration of the spring brake 15 and in the direction of rotational drive generated by the electric motor 12.
- the drive tooth 31 of the input member 24 comprises two drive faces 38a, 38b.
- Each drive face 38a, 38b of the drive tooth 31 cooperates, in other words is configured to cooperate, with one of the first and second legs 29a, 29b of the helical spring 22, in the assembled configuration of the spring brake 15 .
- the surface 54 of the first or second ear 39a, 39b of the outlet 25 cooperates, in other words is configured to cooperate, with the first or second surface 38a, 38b of the drive tooth 31.
- the surface 54 of the first or second lug 39a, 39b of the output member 25 is parallel to the axis of rotation X of the spring brake 15.
- the surface 54 of the first or of the second ear 39a, 39b of the outlet member 25 extends on either side of the recess 40.
- the recess 40 of the outlet member 25 comprising the first bearing surface 46 inclined relative to the axis of rotation X of the spring brake 15 is that of the first or second ear 39a, 39b of the cooperating output member 25, in other words configured to cooperate, with the first or second tab 29a, 29b of the helical spring 22, during a braking phase of the spring brake 15.
- the tab 29a, 29b of the helical spring 22 and the first bearing surface 46 of the recess 40 of the cooperating output member 25, in other words configured to cooperate, together, in the assembled configuration of the spring brake 15 are those intended to activate the spring brake 15, that is to say to generate the friction force between at least one turn of the helical spring 22 and the friction surface 27 of the drum 23, in particular the internal surface 27 of the housing 26 of the drum 23, in other words driving the helical spring 22 in rotation about the axis of rotation X in the second direction of rotation.
- the inclination of the first bearing surface 46 of the recess 40, in particular of one of the recesses 40, relative to the axis of rotation X of the spring brake 15 is such that the first surface d the support 46 is oriented towards the inside of the outlet member 25.
- the orientation of the first inclined bearing surface 46 of one of the recesses 40 relative to the axis of rotation X of the spring brake 15 makes it possible to guarantee the lateral force on one of the first and second lugs 29a, 29b of the helical spring 22, so as to maintain the contiguous turns of the helical spring 22, during a braking phase of the spring brake 15.
- the value of the angle of inclination a is included in a range of values extending between 5 ° and 45 ° and is preferably around 20 ° to 25 °.
- a first limit of the range of values is determined as being the limit below which the angle of inclination a of the first bearing surface 46 of the one of the recesses 40 of the output member 25 relative to the axis of rotation X of the spring brake 15 does not allow to exercise an axial component of sufficient lateral force on one of the first and second legs 29a, 29b of the helical spring 22, so as to maintain the contiguous turns of the helical spring 22, during a braking phase of the spring brake 15 .
- a second limit of the range of values is determined as being the limit above which the angle of inclination a of the first bearing surface 46 of the 'one of the recesses 40 of the output member 25 relative to the axis of rotation X of the spring brake 15 induces too much lateral force on one of the first and second legs 29a, 29b of the helical spring 22, which can cause one or more turns of the coil spring 22 to overlap with respect to the other turns of the coil spring 22, during a braking phase of the spring brake 15.
- the first bearing surface 46 of each of the recesses 40 of the output member 25 is inclined relative to the axis of rotation X of the spring brake 15 with an angle of inclination a of non-zero value.
- the value of the angle of inclination a is the same for the first bearing surface 46 of each of the two recesses 40.
- the electromechanical actuator 1 1 can be mounted at any one of the two ends of the winding tube 4, in other words at a left end or at a right end of the winding tube 4, since the operation of the spring brake 15 is identical in the two directions of rotation of the outlet member 25 relative to the inlet member 24 inside the housing 26 of the drum 23.
- the recess 40 comprises at least one second bearing surface 47 inclined relative to the axis of rotation X of the spring brake 15 by an angle of inclination b of non-zero value.
- This angle ba a non-zero value, which can be, for example, within a range of values between 40 ° and 100 °.
- the recess 40 of each of the first and second ears 39a, 39b also comprises a second bearing surface 47 and, optionally, a third bearing surface, not shown, configured to cooperate with one of the first and second legs 29a, 29b of the helical spring 22, in the assembled configuration of the spring brake 15.
- the second bearing surface 47 is inclined, with respect to the axis of rotation X, in the opposite direction from the first bearing surface 46.
- first and second bearing surfaces 46, 47 give the recess 40 a form of re-entrant dihedral which extends from the surface 54 of the first or second ear 39a, 39b.
- the second bearing surface 47 and, optionally, the third bearing surface of the recess 40 of each of the first and second ears 39a, 39b allow a stop to be produced respectively, so as to keep the position in first or second tab 29a, 29b of the helical spring 22 inside the recess 40.
- the recess 40 in the first ear 39a of the outlet member 25 cooperates, in other words is configured to cooperate, with the first tab 29a of the helical spring 22, in the assembled configuration of the spring brake 15.
- the recess 40 of the second ear 39b of the output member 25 cooperates, in other words is configured to cooperate, with the second tab 29b of the coil spring 22, in the configuration spring brake assembly 15.
- the outlet member 25 is centered relative to the inlet member 24 by means of a first shaft 49.
- the first shaft 49 which is shown in section and hatched in FIG. 5, is inserted, on the one hand, into a bore 50 of the outlet member 25 and, on the other hand, into a bore 51 of the inlet member 24, in the assembled configuration spring brake 15.
- a second shaft 37, in particular of the output member 25, makes it possible to receive and transmit a torque coming from the electric motor 12.
- the second shaft 37 of the output member 25 cooperates, in other words is configured to cooperate, with the reduction gear 14, in the assembled configuration of the spring brake 15. More particularly, the second shaft 37 is inserted in a housing, not shown, of the reducer 14, in the assembled configuration of the spring brake 15.
- the second shaft 37 makes it possible to receive and transmit a torque coming from the electric motor 12 to the reduction gear 14, by means of the first shaft 49
- first tree 49 and the second tree 37 are respectively centered by relative to the axis of rotation X, in the assembled configuration of the electromechanical actuator 1 1.
- the cover 33 comprises an opening 53.
- the opening 53 of the cover 33 is through.
- the opening 53 of the cover 33 cooperates, in other words is configured to cooperate, with the second shaft 37, in particular of the output member 25, in the assembled configuration of the spring brake 15.
- the second shaft 37 is inserted into the opening 53 of the cover 33, so as to extend on either side of the cover 33, in the assembled configuration of the spring brake 15.
- the input member 24 comprises a first plate 30.
- the cover 33 comprises a second plate 32.
- the first tab 29a of the coil spring 22 extends along the first plate 30 of the input member 24 and the second tab 29b of the coil spring 22 extends along the second plate 32 of the cover 33.
- the first plate 30 is integral with the drive tooth 31, preferably integral with it.
- the helical spring 22 and the outlet member 25 are held in an axial position between the first plate 30 of the input member 24 and the second plate 32 of the cover 33 .
- the input member 24 and, more particularly, the first plate 30 comprises a spacer 34.
- the spacer 34 extends between the input member 24 and the cover 33, in the assembled configuration of the spring brake 15 .
- the spacer 34 of the input member 24 makes it possible to maintain an axial spacing between the input member 24 and the cover 33 and, more particularly, between the first and second plates 30, 32.
- the spacer 34 of the input member 24 is arranged diametrically opposite the drive tooth 31 of the input member 24, as illustrated in Figures 4 and 5.
- the drive tooth 31 of the input member 24 corresponds to another spacer.
- the drive tooth 31 of the input member 24 also makes it possible to maintain the axial spacing between the input member 24 and the cover 33 and, more particularly, between the first and second plates 30, 32 .
- the cover 33 and, more particularly, the second plate 32 comprises the spacer 34.
- the spacer 34 then also extends between the input member 24 and the cover 33, in the assembled configuration of the spring brake 15.
- the spacer 34 of the cover 33 can be arranged diametrically opposite the drive tooth 31 of the input member 24, relative to the axis of rotation X, in the assembled configuration spring brake 15.
- the drive tooth 31 and the spacer 34 make it possible to produce the spring brake 15, in particular the input member 24, symmetrically with respect to the axis of rotation X, so as to guarantee a balancing of the spring brake 15, during a rotational movement of the input member 24 relative to the output member 25 about the axis of rotation X.
- first and second plates 30, 32 each include a peripheral flange 35, 36.
- the two peripheral flanges 35, 36 are arranged opposite one of the another along the axis of rotation X, in the assembled configuration of the spring brake 15.
- the first tab 29a of the helical spring 22 is disposed between the first surface 38a of the drive tooth 31 of the input member 24 and the spacer 34.
- the second tab 29b of the helical spring 22 is disposed between the second surface 38b of the drive tooth 31 of the input member 24 and the spacer 34.
- the input member 24 and the cover 33 and, more particularly, the first and second plates 30, 32 are held in rotation with respect to the axis of rotation X, in the assembled configuration of the spring brake 15.
- the input member 24 and the cover 33 are fixed to each other by means of fixing elements 52a, 52b.
- the fastening elements 52a, 52b of the input member 24 and of the cover 33 are snap-fastening elements and, in particular, studs 52a disposed at the level of the drive tooth 31 and of the spacer 34 and holes 52b made in the cover 33, in this case in the second plate 32.
- a first fixing element 52a of the input member 24 is formed at the level of the drive tooth 31 of the input member 24.
- a second fixing element 52a of the input member 24 is formed at the level of the spacer 34 of the input member 24.
- the input member 24 comprises two fixing elements 52a and the cover 33 comprises two fixing elements 52b.
- the number of fastening elements of the input member and of the cover is not limiting and may be different, in particular greater than or equal to three.
- the input member 24 and the cover 33 and, more particularly, the first and second plates 30, 32 can be held integral by means of fastening elements by elastic snap-fastening.
- the output member 25 is configured to be connected to the screen 2 of the concealment device 3.
- the inlet member 24 and the outlet member 25 are made of plastic.
- the cover 33 is made of plastic.
- the plastic of the inlet member 24, the outlet member 25 and the cover 33 can be poly-butylene terephthalate, also called PBT, or polyacetal, also called POM.
- the output member 25 can be made of zamak (acronym for the names of the metals which compose it: zinc, aluminum, magnesium and copper).
- the drum 23 is made of steel, in particular sintered steel.
- the use of sintered steel to produce the drum 23 makes it possible to reduce the friction resistance of the helical spring 22 against the internal friction surface 27 of the housing 26 of the drum 23.
- the helical spring 22, the input member 24 and the output member 25 are arranged around the drum 23, in an assembled configuration of the spring brake 15.
- the friction surface 27 of the drum 23 is an external surface of the drum 23.
- the external surface 27 of the drum 23, called friction, cooperates, in other words is configured to cooperate, with at least one coil of the helical spring 22, in the assembled configuration of the spring brake 15.
- at least one turn of the helical spring 22 is constrained radially by the drum 23.
- the helical spring 22 is mounted clamping around the drum 23, so as to frictionally secure the helical spring 22 and the drum 23, when the helical spring 22 is at rest, as illustrated in FIG. 10.
- each of the first and second legs 29a, 29b of the helical spring 22 extends radially with respect to the axis of rotation X and, in particular, towards the outside of the helical spring 22.
- the drive tooth 31 of the input member 24 is arranged outside the helical spring 22, in the assembled configuration of the spring brake 15.
- the friction force between at least one turn of the coil spring 22 and the outer surface 27 of the drum 23 is reduced during the rotational drive of the coil spring 22 in the first direction of rotation.
- this movement tends to increase the diameter of the internal envelope of the helical spring 22 and therefore to decrease the radial stress between the helical spring 22 and the external surface 27 of the drum 23.
- the friction force between at least one turn of the coil spring 22 and the external surface 27 of the housing 26 of the drum 23 is increased during the rotational drive of the coil spring 22 in the second direction of rotation.
- this movement tends to decrease the diameter of the internal envelope of the coil spring 22, in particular by bringing the first and second legs 29a, 29b closer to the coil spring 22, and therefore to increase the radial stress between the coil spring 22 and the external surface 27 of the housing 26 of the drum 23.
- the ear 39a, 39b and, more particularly, the first and second ears 39a, 39b of the output member 25 are arranged, in other words configured to be disposed, outside the helical spring 22, in the assembled configuration of the spring brake 15.
- the housing 26 of the drum 23 is assembled, in other words is configured to be assembled, around a shaft 45 of the cover 33, in the assembled configuration of the spring brake 15.
- the shaft 45 of the cover 33 makes it possible to support the drum 23, in the assembled configuration of the spring brake 15.
- the first shaft 49 is inserted, on the one hand, into the bore 50 of the output member 25 in the assembled configuration of the spring brake 15 and, on the other hand, is part integral with the input member 24, so that the first shaft 49 and the input member 24 form a single piece.
- the second shaft 37 is an integral part of the first shaft 49, so that the second shaft 37 and the first shaft 49 are one piece.
- connection between the input member 24 and the output member 25 is implemented by means of a housing 50 of the cooperating output member 25, in other words being configured to cooperate, with the second shaft 37 of the input member 24, in the assembled configuration of the spring brake 15.
- the housing 50 of the outlet member 25 is produced by means of a bore, arranged in the center of the outlet member 25 and, more particularly, centered with respect to the axis of rotation X , in the assembled configuration of the spring brake 15.
- the second shaft 37 of the input member 24 is produced in the form of a pin, arranged in alignment with the first shaft 49. The pin 37 of the input member 24 is therefore also centered relative to the axis of rotation X, in the assembled configuration of the spring brake 15.
- the pin 37 of the input member 24 is inserted into the housing 50 of the output member 25.
- the outlet member 25 is centered with respect to the inlet member 24, by means of the housing 50 of the outlet member 25 and of the pin 37 of the inlet member 24.
- the helical spring 22 and the input member 24 are held in an axial position between the output member 25 and the second plate 32 of the cover 33.
- a dihedral-shaped recess 40 is delimited by two bearing surfaces 46, 47 inclined relative to the axis of rotation X of the spring brake 15 on each of the ears 39a, 39b.
- the recesses 40 receive the first and second legs 29a, 29b of the helical spring 22, in the assembled configuration of the spring brake 15.
- the angle of inclination of the first bearing surface of the recess of the output member relative to the axis of rotation of the spring brake allows to avoid a separation of the turns of the helical spring with respect to each other, during a braking phase of the spring brake, and, more particularly, of a first turn of the helical spring with respect to a next turn of the spring helical, during a braking phase of the spring brake, as well as reducing the operating noise of the spring brake, when the input member and / or the output member are rotated relative to the drum.
- the angle of inclination of the first bearing surface of the recess of the output member relative to the axis of rotation of the spring brake makes it possible to guarantee a lateral force on one of the first and second legs of the coil spring, so as to maintain the contiguous turns of the coil spring, during a braking phase of the spring brake.
- the electronic control unit 44 is arranged outside the casing 13 of the electromechanical actuator 1 1 and, in particular, mounted on the frame 20 or in the torque support 19.
- connection between the input member 24 and the output member 25 is not implemented by means of the first shaft 49 but by means of a housing of the input member 24 cooperating, in other words being configured to cooperate, with a second shaft 37 of the output member 25, in the assembled configuration of the spring brake 15.
- the housing of the input member 24 is produced at by means of a bore, arranged in the center of the input member 24 and, more particularly, centered with respect to the axis of rotation X, in the assembled configuration of the spring brake 15.
- the output 25 comprises a pin, arranged in alignment with the shaft 37. The pin of the output member 25 is therefore also centered relative to the axis of rotation X, in the assembled configuration of the spring brake 15.
- the pin of the output member 25 is inserted into the housing of the input member 24. In this way, the output member 25 is centered relative to the input member 24, by means of the housing of the input member 24 and the pin of the output member 25.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Braking Arrangements (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/288,456 US11293225B2 (en) | 2018-10-26 | 2019-10-25 | Electromechanical actuator and home automation installation comprising such an actuator |
AU2019363720A AU2019363720B2 (en) | 2018-10-26 | 2019-10-25 | Electromechanical actuator and home automation installation comprising such an actuator |
KR1020217011537A KR102381573B1 (ko) | 2018-10-26 | 2019-10-25 | 전기 기계식 액추에이터 및 이러한 액추에이터를 포함하는 홈 자동화 설비 |
EP19791263.7A EP3870796B1 (fr) | 2018-10-26 | 2019-10-25 | Actionneur électromécanique et installation domotique comprenant un tel actionneur |
CN201980070472.5A CN112912585B (zh) | 2018-10-26 | 2019-10-25 | 机电致动器和包括这种致动器的住宅自动化设备 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1859917 | 2018-10-26 | ||
FR1859917A FR3087817B1 (fr) | 2018-10-26 | 2018-10-26 | Actionneur electromecanique et installation domotique comprenant un tel actionneur |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020084103A1 true WO2020084103A1 (fr) | 2020-04-30 |
Family
ID=65444103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2019/079130 WO2020084103A1 (fr) | 2018-10-26 | 2019-10-25 | Actionneur électromécanique et installation domotique comprenant un tel actionneur |
Country Status (7)
Country | Link |
---|---|
US (1) | US11293225B2 (fr) |
EP (1) | EP3870796B1 (fr) |
KR (1) | KR102381573B1 (fr) |
CN (1) | CN112912585B (fr) |
AU (1) | AU2019363720B2 (fr) |
FR (1) | FR3087817B1 (fr) |
WO (1) | WO2020084103A1 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2995001A1 (fr) | 2012-09-05 | 2014-03-07 | Somfy Sas | Actionneur electromecanique d'entrainement d'un ecran domotique |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB189412A (en) | 1921-11-25 | 1923-07-06 | Alfred Coindet | Improvements in and relating to blinds |
JPS58143086A (ja) * | 1982-02-19 | 1983-08-25 | ト−ソ−株式会社 | ロ−ルブラインドのクラツチ装置 |
FR2610668B1 (fr) * | 1987-02-09 | 1990-10-26 | Feller Samuel | Reducteur-frein notamment pour la manoeuvre de volets roulants et similaires |
FR2614359B1 (fr) * | 1987-04-24 | 1989-07-21 | Simu Soc Ind Metal Usine | Mecanisme reducteur a deux vitesses pour la commande des dispositifs de fermeture a luminosite reglable, du genre des stores orientables et similaires |
US6164428A (en) * | 1999-08-23 | 2000-12-26 | Joel Berman Associates, Inc. | Wrap spring shade operator |
KR100695819B1 (ko) * | 2004-11-30 | 2007-03-20 | 테크노게이트 주식회사 | 전동식 커튼 |
FR2943379B1 (fr) * | 2009-03-17 | 2011-04-08 | Somfy Sas | Frein a ressort pour actionneur d'entrainement d'un ecran domotique et actionneur equipe d'un tel frein |
FR2946997B1 (fr) * | 2009-06-23 | 2011-07-08 | Somfy Sas | Actionneur electrique d'entrainement d'un ecran domotique |
KR20140111569A (ko) * | 2013-03-11 | 2014-09-19 | (주)테라솔라 | 양방향 클러치 어셈블리 및 이를 이용한 회전축 구동장치 |
AU2013381892B2 (en) * | 2013-03-15 | 2018-02-22 | Hunter Douglas Inc. | Position lock for roller supported architectural coverings |
CN103746510B (zh) | 2013-12-20 | 2017-01-11 | 宁波杜亚机电技术有限公司 | 静音电机制动结构 |
FR3022289B1 (fr) | 2014-06-17 | 2016-06-03 | Somfy Sas | Actionneur electromecanique et installation domotique comprenant un tel actionneur |
CN204419000U (zh) | 2014-09-19 | 2015-06-24 | 殷平生 | 一种弹簧助力装置和电动卷帘 |
FR3065250B1 (fr) * | 2017-04-14 | 2019-07-05 | Somfy Sas | Procedes de fabrication d'un tambour et d'un frein a ressort d'un actionneur electromecanique, actionneur electromecanique et installation domotique associes |
FR3074516B1 (fr) * | 2017-12-01 | 2019-11-22 | Somfy Activites Sa | Actionneur electromecanique et installation domotique comprenant un tel actionneur |
-
2018
- 2018-10-26 FR FR1859917A patent/FR3087817B1/fr not_active Expired - Fee Related
-
2019
- 2019-10-25 CN CN201980070472.5A patent/CN112912585B/zh active Active
- 2019-10-25 KR KR1020217011537A patent/KR102381573B1/ko active IP Right Grant
- 2019-10-25 EP EP19791263.7A patent/EP3870796B1/fr active Active
- 2019-10-25 US US17/288,456 patent/US11293225B2/en active Active
- 2019-10-25 AU AU2019363720A patent/AU2019363720B2/en active Active
- 2019-10-25 WO PCT/EP2019/079130 patent/WO2020084103A1/fr unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2995001A1 (fr) | 2012-09-05 | 2014-03-07 | Somfy Sas | Actionneur electromecanique d'entrainement d'un ecran domotique |
Also Published As
Publication number | Publication date |
---|---|
CN112912585A (zh) | 2021-06-04 |
AU2019363720A1 (en) | 2021-04-29 |
KR102381573B1 (ko) | 2022-04-04 |
US11293225B2 (en) | 2022-04-05 |
AU2019363720B2 (en) | 2021-07-22 |
FR3087817A1 (fr) | 2020-05-01 |
US20210310305A1 (en) | 2021-10-07 |
CN112912585B (zh) | 2022-01-07 |
KR20210056429A (ko) | 2021-05-18 |
EP3870796B1 (fr) | 2022-09-07 |
EP3870796A1 (fr) | 2021-09-01 |
FR3087817B1 (fr) | 2020-11-13 |
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