Classifications

• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
  • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
  • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
  • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
  • E06B9/32—Operating, guiding, or securing devices therefor
  • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
  • H01H3/12—Push-buttons
  • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
  • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
  • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
  • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
  • E06B9/303—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape
  • E06B9/308—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape with coaxial tilting bar and raising shaft
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
  • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
  • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
  • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
  • E06B9/32—Operating, guiding, or securing devices therefor
  • E06B9/323—Structure or support of upper box

Definitions

• TITLE Electromechanical actuator and concealment device comprising such an actuator
• the present invention relates to an electromechanical actuator.
• the present invention also relates to a screening device comprising a rail and a screen.
• the screen is driven in displacement by such an electromechanical actuator arranged inside the rail.
• 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 includes an electromechanical actuator of a movable solar protection or closing element, such as a slatted blind or any other equivalent material, hereinafter called a screen.
• the electromechanical actuator includes a housing, an electric motor, an electronic control unit and a switching device.
• the switching device makes it possible to detect a high position of a screen of the blind.
• the high position corresponds to a pressing of a first blade of the screen against an element of the switching device.
• the switching device includes a housing, a first member and a second member.
• the housing includes a wall.
• the wall of the housing includes an opening.
• the first member is fixed to the wall of the housing by means of removable fastening elements and arranged opposite the opening of the wall of the housing, in an assembled configuration of the electromechanical actuator.
• the second member is movable relative to the first member, in the assembled configuration of the electromechanical actuator.
• the electronic control unit includes a switch and a printed circuit board. The switch is actuated via the second member of the switching device through the opening in the wall of the housing, depending on a position of the second member relative to the first member, in the assembled configuration of the electromechanical actuator.
• the switch is assembled on the printed circuit board, in the assembled configuration of G electromechanical actuator.
• This electromechanical actuator is generally satisfactory.
• this electromechanical actuator has the drawback of not having an easily accessible electrical connection device, which would make it possible to reset or adjust at least part of the operating parameters of the electromechanical actuator, or else which would allow a diagnosis of the electromechanical actuator, from operating data of the electromechanical actuator.
• Electromechanical actuators are also known for other types of blackout devices, in particular for roller blinds, comprising an electrical connection device, which makes it possible to reset or adjust at least part of the operating parameters of the device.
• electromechanical actuator only accessible by dismantling a winding tube relative to the fixing supports and, possibly, by sliding the electromechanical actuator relative to the winding tube, to remove it from the latter, then by dismantling the electromechanical actuator.
• the electrical connection device is located on a torque support, also called head, of the electromechanical actuator.
• a torque support is configured to be fixed on one of the fixing supports, in the assembled configuration of the concealment device.
• the electrical connection device is located inside a casing of the electromechanical actuator and , in particular, at the level of an electronic control unit.
• Document EP 2 530 235 A1 is also known, which describes an electromechanical actuator of an outdoor venetian blind.
• the electromechanical actuator comprises a first housing, a second housing, an electric motor, an electronic control unit and a switching device.
• the first housing is intended to receive the electric motor.
• the second housing is intended to receive the electronic control unit and includes a cover to allow the mounting of the switching device.
• the second casing is mounted directly on a wall of the first casing facing the slats of the external venetian blind.
• the unit electronic control includes a printed circuit board.
• the switching device is a pressure sensor configured to generate a stop signal from the electromechanical actuator, when a first blade of the external venetian blind actuates the switching device.
• the electromechanical actuator includes a housing, an electric motor, an electronic control unit and a switching device.
• the switching device is mounted on a bottom wall of the housing of the electromechanical actuator.
• the switching device is configured to generate a signal to the electronic control unit, by means of a status line, when a first blade of the venetian blind activates the switching device.
• the present invention aims to solve the aforementioned drawbacks and to provide an electromechanical actuator of a concealment device, as well as a concealment device comprising such an electromechanical actuator, making it possible to facilitate access to a connection device electric, during maintenance or repair of the electromechanical actuator, without having to disassemble the electromechanical actuator relative to the concealment device, while minimizing the costs of obtaining the electromechanical actuator.
• the present invention relates, according to a first aspect, to an electromechanical actuator of a concealment device, the electromechanical actuator comprising at least:
• the casing comprising at least one wall, the wall of the casing comprising at least one opening,
• the switching device comprising at least:
• first member fixed to the wall of the casing by means of removable fastening elements and disposed opposite the opening of the wall of the casing, in an assembled configuration of the electromechanical actuator, and
• the second member being movable relative to the first member, in the assembled configuration of the electromechanical actuator
• the electronic control unit comprising at least: a switch, the switch being actuated by means of the second member of the switching device through the opening in the wall of the casing, depending on a position of the second member relative to the first member, in the configuration electromechanical actuator assembly,
• the switch being assembled on the printed circuit board, in the assembled configuration of the electromechanical actuator.
• the printed circuit board comprises an electrical connection device disposed opposite the opening of the wall of the casing, in the assembled configuration of the electromechanical actuator, the electrical connection device being accessible through the opening of the wall of the casing, following a withdrawal of the first and second members with respect to the wall of the casing, by dismantling the removable fastening elements.
• electromechanical actuator makes it possible to facilitate access to the electrical connection device, during a maintenance or repair intervention of the electromechanical actuator, without having to dismantle the electromechanical actuator relative to the device. occultation.
• the electromechanical actuator makes it possible, on the one hand, to detect a high position of a screen of the masking device by means of the switching device and the electronic control unit and, on the other hand, to be able to access the electrical connection device of the printed circuit board through the opening in the casing of the electromechanical actuator, following the disassembly of the first and second members of the switching device relative to the casing.
• the electromechanical actuator comprises a limited number of components to, on the one hand, allow the detection of the high position of the screen and, on the other hand, allow access to the electrical connection device of the printed circuit board.
• the electrical connection device of the printed circuit board is configured to reset or adjust at least part of the operating parameters of the electromechanical actuator, by means of a terminal, the parameters of operation being memorized by a memory of the electronic control unit.
• the electrical connection device of the printed circuit board is configured to allow a diagnosis of the electromechanical actuator, from operating data of the electromechanical actuator, by means of a terminal, the operating data being memorized by a memory of the electronic control unit.
• the electronic control unit comprises a microcontroller.
• the microcontroller is assembled on the printed circuit board, in the assembled configuration of the electromechanical actuator.
• the microcontroller includes memory.
• the casing of the electromechanical actuator is tubular.
• the removable fastening elements are elastic snap fastening elements.
• the electrical connection device comprises electrical connection points formed on one face of the printed circuit board.
• the electrical connection points are electrical conductors of the printed circuit board.
• the electrical connection device is configured to be electrically connected with an electrical outlet, following the withdrawal of the switching device relative to the casing.
• the present invention aims, according to a second aspect, a screening device comprising a rail and a screen.
• the screen is driven in displacement by an electromechanical actuator, in accordance with the invention and as mentioned above, arranged inside the rail.
• This concealment device has characteristics and advantages similar to those described above in relation to the electromechanical actuator according to the invention.
• Figure 1 is a schematic perspective view of a blind with adjustable slats according to an embodiment of the invention
• FIG 2 is a schematic perspective view of an electromechanical actuator of the blind with adjustable slats illustrated in Figure 1;
• Figure 3 is an axial sectional view of the electromechanical actuator illustrated in Figure 2;
• Figure 4 is an exploded schematic perspective view of the electromechanical actuator illustrated in Figures 2 and 3;
• Figure 5 is a schematic perspective view of a part of the electromechanical actuator illustrated in Figures 2 to 4 illustrating a switching device
• Figure 6 is a view similar to Figure 5, where first and second members of the switching device are omitted;
• FIG 7 Figure 7 is a view similar to Figures 5 and 6, where an electrical outlet is assembled on the electromechanical actuator in place of the first and second members of the switching device; and [Fig 8] Figure 8 is a view similar to Figure 7, where a housing of the switching device is omitted.
• a home automation installation according to the invention is described and installed in a building, not shown, comprising an opening, window or door, equipped with a screen 2 belonging to a device 'blackout 1, in particular a motorized blind.
• the screening device 1 can be, in particular, a pleated blind.
• the concealment device 1 is preferably placed inside the building. Alternatively, the masking device 1 can be placed outside the building.
• the blind 1 comprises blades 3, in particular adjustable.
• the blind 1 can also include a load bar 4.
• the screen 2 is formed by the blades 3 and the load bar 4.
• the load bar 4 makes it possible to exert a tension on the screen 2.
• the load bar 4 is fixed at a lower end of the screen 2, in an assembled configuration of the blind 1 in the home automation installation.
• the screen 2 comprises a final blade to replace the load bar 4, which can be ballasted.
• the blind 1 comprises drive cords 5 configured to allow the vertical movement of the blades 3 and of the load bar 4.
• the drive cords 5 can also be called laces.
• the blades 3 respectively comprise an opening, not shown, for the passage of each drive cord 5.
• the blind 1 also includes orientation cords 6 configured to allow the orientation of the blades 3.
• the orientation cords 6 are also called ladders.
• the orientation of the slats 3 allows, in particular, to adjust the brightness inside a room of the building.
• the blind 1 comprises two slides. Each of the slides is arranged along one side of the screen 2 of the blind 1. The slides are configured to cooperate with the blades 3 of the screen 2, so as to guide the blades 3, during the deployment and folding of the screen 2.
• the blades 3 are guided by two cables. Each of the cables is arranged along one side of the screen 2 of the blind 1.
• the blind 1 comprises a motorized drive device 7.
• the motorized drive device 7 comprises an electromechanical actuator 8.
• the electromechanical actuator 8 makes it possible to lower or mount the blades 3 and the load bar 4, in other words to deploy or to fold the screen 2.
• the electromechanical actuator 8 also makes it possible to orient the blades 3.
• the blind 1 comprises a rail 9, inside which is placed the motorized drive device 7 and, in particular, the electromechanical actuator 8.
• the rail 9 is arranged above the screen 2.
• the rail 9 is arranged above the opening of the building, or even in the upper part of the opening of the building.
• the rail 9 comprises a bottom wall 9a and two side walls 9b.
• the rail 9 has a “U” shaped section.
• the motorized drive device 7 comprises a plurality of reels, not shown.
• the reels are configured to wind and unwind the drive cords 5, so as to cause the vertical movement of the blades 3 and the load bar 4.
• the motorized drive device 7 comprises two reels.
• the number of reels is not limiting and may be different, in particular more than two.
• the drive cords 5 are connected, on the one hand, to the load bar 4 and, on the other hand, to the reels.
• each drive cord 5 is connected to the load bar 4 and the upper end of each drive cord 5 is connected to one of the reels, in the assembled configuration of the blind 1 in the home automation installation.
• the reels are arranged inside the rail 9.
• the reels are also configured to wind and unwind the orientation cords 6, so as to orient the blades 3.
• the motorized drive device 7 comprises tilting devices 13, generally called “rockers”.
• the reels are respectively arranged inside a rocker 13.
• rockers 13 are arranged inside the rail 9.
• the motorized drive device 7 comprises two rockers 13.
• the number of rockers is not limiting and may be different, in particular more than two. In the case where the number of rockers is greater than or equal to two, the electromechanical actuator is disposed between two of the rockers.
• each rocker 13 is arranged on either side of the electromechanical actuator 8.
• each rocker 13 is arranged in the vicinity of a longitudinal end of the rail 9.
• the motorized drive device 7 is controlled by a control unit.
• the control unit can be, for example, a local control unit 14.
• the local control unit 14 can be connected in wired or wireless connection with a central control unit 15.
• the central control unit 15 controls the local control unit 14, as well as other similar local control units distributed throughout the building.
• the central control unit 15 can be in communication with a weather station located 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 deported outside the building.
• a remote control 16 which can be a type of local control unit, is provided with a control keyboard.
• the control keyboard comprises selection and display elements, allowing, in addition, a user to intervene on the electromechanical actuator 8 and / or the central control unit 15.
• the motorized drive device 7 is preferably configured to execute the commands for deploying or folding the screen 2 of the blind 1, as well as for orienting the blades 3, which can be emitted, in particular, by the remote control 16 .
• the electromechanical actuator 8 comprises a casing 17, an electric motor 18 and an electronic control unit 19.
• the electric motor 18 comprises a rotor and a stator, not shown and positioned coaxially around an axis of rotation X, which is also the axis of rotation of the reels, in a mounted configuration of the motorized drive device 7.
• the electromechanical actuator 8 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 8 makes it possible to move the screen 2 of the blind 1, in particular in a vertical movement, as well as to orient the blades 3 of the screen 2.
• the electromechanical actuator 8 comprises an electrical supply cable, not shown, allowing it to be supplied with electrical energy, from the mains supply network or from the battery.
• the casing 17 of the electromechanical actuator 8 is tubular.
• the casing 17 of the electromechanical actuator 8 is of cylindrical shape and, more particularly, has a section of circular shape.
• the casing 17 of the electromechanical actuator 8 is of rectangular shape.
• the electromechanical actuator 8 also comprises at least one reduction gear 12 and at least one output shaft 20.
• the reducer 12 comprises at least one reduction stage.
• the reduction stage may be a gear train of the epicyclic type.
• the electromechanical actuator 8 comprises two reducers 12 and two output shafts 20, so that each output shaft 20 rotates one of the winders.
• Each output shaft 20 opens on one side of the casing 17 of the electromechanical actuator 8.
• Each output shaft 20 is connected to a drive shaft 1 1 of one of the winders by means of fixing elements, not shown .
• the fastening elements of each output shaft 20 to one of the drive shafts 1 1 are, for example, fastening elements by screwing.
• Each reel is thus driven in rotation, at one of the rockers 13, by one of the drive shafts 1 1 coupled with one of the output shafts 20 of the electromechanical actuator 8.
• the electromechanical actuator 8 also includes a brake 46, as illustrated only in FIG. 4.
• the brake 46 can be a magnetic brake, a spring brake, a cam brake or an electromagnetic brake.
• the electric motor 18 and, optionally, the reducers 12 and the brake 46 are arranged inside the casing 17 of the electromechanical actuator 8.
• Control means of the electromechanical actuator 8, allowing the displacement of the screen 2 of the blind 1 as well as the orientation of the blades 3 of the screen 2, comprise at least the electronic control unit 19.
• This electronic unit control unit 19 is capable of operating the electric motor 18 of the electromechanical actuator 8 and, in particular, allowing the supply of electric energy to the electric motor 18.
• the electronic control unit 19 controls, in particular, the electric motor 18, so as to open or close the screen 2, as well as to orient the blades 3 of the screen 2, as described above.
• the electronic control unit 19 also comprises a communication module, not shown, in particular for receiving control orders, the control orders being emitted by an order transmitter, such as the remote control 16 intended for controlling the electromechanical actuator 8 or one of the local or central control units 14 or 15.
• a communication module not shown, in particular for receiving control orders, the control orders being emitted by an order transmitter, such as the remote control 16 intended for controlling the electromechanical actuator 8 or one of the local or central control units 14 or 15.
• the communication module of the electronic control unit 19 is of the wireless type.
• the communication module is configured to receive radio control commands.
• the communication module can allow the reception of control orders transmitted by wired means.
• the central control unit 15, the local control unit 14 or the electronic control unit 19 can also be in communication with a server 27, as illustrated in FIG. 1, so as to control the electromechanical actuator 8 according to data made available remotely via a communication network, in particular an internet network which can be connected to the server 27.
• the control means of the electromechanical actuator 8 include hardware and / or software means.
• the material means can comprise at least one microcontroller 29, as illustrated in FIG. 3.
• the electromechanical actuator 8 also includes a switching device 21.
• a high position in particular a safety position, corresponds to a pressing of a first blade 3h of the screen 2 against an element of the switching device 21.
• the first blade 3h of screen 2 corresponds to the upper blade 3 of screen 2, in the assembled configuration of blind 1 in the home automation installation.
• the switching device 21 makes it possible, in particular, to determine whether the upper position of the screen 2 has been reached.
• a high end-of-travel position in particular of operating position, corresponds to a predetermined high end-of-travel position, in particular by means of a end-of-travel detection device 35.
• a low end-of-travel position corresponds to a predetermined low end-of-travel position, in particular by means of the end-of-travel detection device 35, or when the load bar 4 is pressed against a threshold of the opening of the building, or even the complete deployment of the screen 2.
• the end of travel detection device 35 can be of the magnetic type and assembled on one of the output shafts 20 of the electromechanical actuator 8.
• Such a end of travel detection device 35 comprises at least one wheel and Hall effect sensors.
• the type of end-of-travel detection device is not limiting and may be different, in particular of the time type and produced through the microcontroller of the electronic control unit.
• the switching device 21 comprises a housing 22.
• the housing 22 comprises two half-shells 22c, 22d, as illustrated in FIG. 4. These two half-shells 22c, 22d are assembled, in other words configured to be assembled , between them, in an assembled configuration of the electromechanical actuator 8, in particular by means of fastening elements 36, for example by elastic snap-fastening.
• the casing 17 of the electromechanical actuator 8 comprises at least a first part 17a and a second part 17b.
• the housing 22 of the switching device 21 is arranged, along the axis of rotation X, between the first part 17a of the housing 17 and the second part 17b of the housing 17.
• the housing 22 of the switching device 21 forms a third part 17c of the housing 17.
• the casing 17 is made at least in part from 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 first and second parts 17a, 17b of the casing 17 are made of a metallic material.
• the third part 17c of the casing 17, formed by the housing 22 of the switching device 21, is made of a plastic material.
• the housing 22 of the switching device 21 is fixed to the first and second parts 17a, 17b of the casing 17.
• the housing 22 is fixed to the first and second parts 17a, 17b of the housing 17 by interlocking, in particular by insertion of a first part 22a of the housing 22 in the first part 17a of the housing 17 , to a first shoulder 37 of the housing 22, and by insertion of a second part 22b of the housing 22 in the second part 17b of the housing 17, to a second shoulder 38 of the housing 22.
• the type of attachment of the housing to the first and second parts of the housing is not limiting and may be different. It may, in particular, be a fixing by means of fixing elements by screwing or by elastic snap-fastening.
• the housing 22 of the switching device 21 is tubular.
• the housing 22 of the switching device 21 is of cylindrical shape and, more particularly, has a section of circular shape.
• the housing 22 of the switching device 21 is of rectangular shape.
• the casing 17 of the electromechanical actuator 8 is produced in a single part, that is to say is of the one-piece type, and, more particularly, is devoid of a housing 22 of the switching device 21.
• the switching device 21 is assembled directly on the casing 17 of the electromechanical actuator 8, in the assembled configuration of the electromechanical actuator 8, c ' that is to say without an intermediate box.
• the casing 17 comprises at least one wall 28, 39.
• first and second parts 17a, 17b of the casing 17 comprise a first wall 28, in particular of circular section.
• the third part 17c of the casing 17, formed by the housing 22 of the switching device 21 comprises a second wall 39, in particular of circular section in which are formed flats.
• the wall 39 of the casing 17, in particular of the third part 17c of the casing 17, comprises at least one opening 40.
• the opening 40 is formed in a flat portion of the wall 39 of the third part 17c of the casing 17.
• the opening 40 of the wall 39 of the casing 17 is formed in a lower part of the casing 17, in an assembled configuration of the electromechanical actuator 8 in the rail 9 of the blind 1.
• the opening 40 of the wall 39 of the casing 17 is arranged opposite the first blade 3h of the blind 1, in the assembled configuration of the electromechanical actuator 8 in the rail 9 of the blind 1.
• the housing 17 comprises a lower wall, an upper wall, a first side wall and a second side wall.
• the opening 40 is formed in the lower wall of the casing 17.
• the switching device 21 also includes a first member 23 and a second member 24.
• the first member 23 is integral with the housing 17 and, more particularly, with the wall 39 of the housing 17.
• the first member 23 is fixed, in other words configured to be fixed, on the wall 39 of the casing 17 by means of removable fixing elements 25, in the assembled configuration of the electromechanical actuator 8.
• the first member 23 is arranged opposite the opening 40 of the wall 39 of the casing 17, in the assembled configuration of the electromechanical actuator 8.
• the removable fastening elements 25 are fastening elements by elastic snap-fastening.
• each removable fixing element 25 comprises an elastic tab formed on the first member 23 and cooperating, otherwise said configured to cooperate, with an edge 40a of the opening 40 of the wall 39 of the housing 17, in the assembled configuration of the electromechanical actuator 8, and, more particularly with a notch of the opening 40 of the wall 39 of the housing 17.
• the first member 23 comprises two elastic tabs 25 cooperating, in other words configured to cooperate, respectively with the edge 40a of the opening 40 of the wall 39 of the casing 17.
• the number and type of removable fastening elements of the first member on the wall of the casing are not limiting and may be different.
• the number of removable fastening elements of the first member on the wall of the casing can be greater than two.
• the removable fastening elements can be screw fastening elements.
• the second member 24 is movable relative to the first member 23, in the assembled configuration of the electromechanical actuator 8.
• the second member 24 is movable relative to the first member 23 in a translational movement D, as illustrated in FIG. 3.
• the first member 23 comprises a housing 43, inside which is partially disposed the second member 24.
• the first member 23 comprises a barrel 44 disposed in the center of the housing 43 and configured to cooperate with a hole, not shown, formed in the second member 24.
• the second member 24 is guided inside the housing 43 of the first member 23 by the complementary shapes of the first and second members 23, 24, in in particular by the outline of the second member 24 and the outline of the housing 43 of the first member 23.
• the second member 24 is centered relative to the first member 23 by means of the barrel 44 of the first member 23 sliding inside the hole formed in the second member 24.
• the second member 24 may comprise a central pin configured to slide inside a central bore of the barrel 44 of the first member 23.
• the first member 23 and the second member 24 form a sub-assembly 26 of the switching device 21.
• the sub-assembly 26 of the switching device 21 is arranged outside the casing 17 and, more particularly, of the housing 22.
• Such a sub-assembly 26 of the switching device 21 is generally called "mushroom".
• the second member 24 of the switching device 21 is moved, in other words configured to be moved, by the first blade 3h of the screen 2, relative to the first member 23, when the screen 2 reaches the high position.
• the displacement of the second member 24 relative to the first member 23, in a direction of approach of the second member 24 relative to the housing 17, results from a displacement of the first blade 3h of the screen 2 towards the high position, during the activation of the electromechanical actuator 8.
• the displacement of the first blade 3h of the screen 2 is implemented by the activation of the electromechanical actuator 8 and the winding of the drive cords 5 around the reels.
• the electronic control unit 19 controls the stopping of the electric motor 18 of the electromechanical actuator 8.
• At least part of the switching device 21 is disposed outside of the rail 9.
• the part of the switching device 21 disposed outside of the rail 9 corresponds to at least part of the sub-assembly 26 of the device switching 21.
• another part of the switching device 21 is disposed inside the rail 9, in particular of the casing 17, as well as the elements assembled inside of it.
• the second member 24 of the switching device 21 extends under the bottom wall 9a of the rail 9, in the assembled configuration of the blind 1 in the home automation installation.
• the sub-assembly 26 or head of the switching device 21 passes through an opening, not shown, formed in the bottom wall 9a of the rail 9.
• the second member 24 of the switching device 21 is moved, in other words configured to be moved, between a first position, called the rest position, in which no contact is implemented between the second member 24 and the first blade 3h of the screen 2, and a second position, known as the high position detection of the screen 2, in which the first blade 3h of the screen 2 is in contact with the second organ 24.
• the switching device 21 comprises an elastic return element 45 of the second member 24 relative to the first member 23, so as to maintain the second member 24 in a rest position, in the assembled configuration of the electromechanical actuator 8, in particular as long as the first blade 3h of the screen 2 is not in contact with the second member 24.
• the elastic return element 45 holds or brings back, in other words is configured to hold or bring back, the second member 24 in its rest position.
• the elastic return element 45 exerts, on the second member 24, a radial force to the axis of rotation X, directed downwards in FIG. 3 and parallel to the translational movement D.
• the elastic return element 45 is a spring, for example, in the form of a spiral.
• the second member 24 is configured to return to the rest position relative to the first member 23 by gravity, in the assembled configuration of the blind 1 in the home automation installation.
• the second member 24 is configured to move from its second position to its first position relative to the first member 23, under the effect of its own weight.
• the second member 24 comprises stops, not shown, cooperating, in other words configured to cooperate, with stops of the first member 23, in the assembled configuration of the electromechanical actuator 8, when the second member 24 is in the position of rest relative to the first organ 23.
• the cooperation of the stops of the second member 24 with the stops of the first member 23 makes it possible to limit a displacement travel of the second member 24 relative to the first member 23.
• the stops of the second member 24 cooperate, in other words are configured to cooperate, with the stops of the first member 23, when the second member 24 is held in the rest position relative to to the first member 23, by means of the elastic return element 45.
• each of the first and second members 23, 24 comprises two stops.
• the number of stops of each of the first and second members is not limiting and may be different. It can be, for example, greater than or equal to three.
• the electronic control unit 19 comprises at least one switch 41 and a printed circuit board 42.
• the switch 41 makes it possible to detect the high position of the screen 2 of the blind 1.
• the electronic control unit 19 comprises a single switch 41 for detecting the high position of the screen 2 of the blind 1.
• the switch 41 is of the electromechanical type.
• the switch 41 is electrically connected to the printed circuit board 42 by electrical conductors.
• the switch 41 is actuated, in other words configured to be actuated, by means of the second member 24 of the switching device 21 through the opening 40 formed in the wall 39 of the casing 17, according to a position of the second member 24 relative to the first member 23, in the assembled configuration of the electromechanical actuator 8.
• the switch 41 is assembled, in other words configured to be assembled, on the printed circuit board 42, in the assembled configuration of the electromechanical actuator 8.
• the electronic control unit 19 comprises the microcontroller 29.
• the microcontroller 29 is assembled on the printed circuit board 42, in the assembled configuration of the electromechanical actuator 8.
• the microcontroller 29 comprises a memory, not shown .
• the electronic control unit 19 comprises at least a first part 19a and a second part 19b.
• the first part 19a of the electronic control unit 19 is disposed inside a part 17c of the casing 17 of the electromechanical actuator 8, in the assembled configuration of the electromechanical actuator 8.
• the second part 19b of the electronic control unit 19 is arranged inside another part 17a, 17b of the casing 17 of the electromechanical actuator 8, in the assembled configuration of the electromechanical actuator 8.
• the first part 19a of the electronic control unit 19 is arranged inside the third part 17c of the casing 17 and the second part 19b of the electronic control unit 19 is arranged inside the first and second parts 17a, 17b of the casing 17. Furthermore, the second part 19b of the electronic control unit 19 is bipartite and arranged on either side of the first part 19a of the electronic control unit 19.
• the electronic control unit 19 is disposed inside the housing 22 of the switching device 21.
• the printed circuit board 42 comprises an electrical connection device 30 disposed opposite the opening 40 of the wall 39 of the casing 17, in the assembled configuration of the electromechanical actuator 8.
• the device electrical connection 30 is accessible through the opening 40 of the wall 39 of the housing 17, following removal of the first and second members 23, 24 relative to the wall 39 of the housing 17, by dismantling the removable fastening elements 25 , in particular with respect to the wall 39 of the casing 17.
• the withdrawal of the first and second members 23, 24 relative to the wall 39 of the housing 17 is implemented by means of the removable fastening elements 25 which are disassembled, in other words separated, from the wall 39 of the housing 17 .
• detachable fastening elements 25 are made inactive to allow the first and second members 23, 24 to be separated from the wall 39 of the casing 17.
• the withdrawal of the first and second members 23, 24 relative to the wall 39 of the casing 17 is implemented by exerting pressure on the removable fixing 25, so as to release the latter by the wall 39 of the housing 17.
• electromechanical actuator 8 makes it possible to facilitate access to the electrical connection device 30, during a maintenance or repair intervention of the electromechanical actuator 8, without having to dismantle the electromechanical actuator 8 relative to blind 1.
• the electromechanical actuator 8 makes it possible, on the one hand, to detect a high position of the screen 2 of the blind 1 by means of the switching device 21 and the electronic control unit 19 and, on the other hand to be able to access the electrical connection device 30 of the printed circuit board 42 through the opening 40 made in the casing 17, following the disassembly of the first and second members 23, 24 of the switching device 21 relative to the casing 17.
• the electromechanical actuator 8 comprises a limited number of components to, on the one hand, allow the detection of the high position of the screen 2 and, on the other hand, allow access to the electrical connection device 30 of the printed circuit board 42.
• the positioning of the opening 40 of the wall 39 of the casing 17 in the lower part of the casing 17, in the assembled configuration of the electromechanical actuator 8 in the rail 9 of the blind 1, makes it easier to access the electrical connection device 30 from below, during maintenance or repair of the electromechanical actuator 8, without having to dismantle the electromechanical actuator 8 relative to the blind 1.
• the positioning of the opening 40 of the wall 39 of the casing 17 in the lower part of the casing 17, in the assembled configuration of the electromechanical actuator 8 in the rail 9 of the blind 1, also makes it possible to facilitate viewing of the electrical connection device 30, following the dismantling of the first and second members 23, 24 of the switching device 21 relative to the casing 17.
• the electrical connection device 30 of the printed circuit board 42 is configured to reset or adjust at least part of the operating parameters of the electromechanical actuator 8, by means of a terminal 14, 16, 32.
• the parameters of operation are memorized by the memory of the electronic control unit 19.
• the operating parameters can be, for example, a speed of movement of the screen 2 or the high or low limit position of the screen 2.
• the electrical connection device 30 of the electromechanical actuator 8 is electrically connected, in other words is configured to be electrically connected, with an electrical outlet 33, following the withdrawal of the switching device 21 relative to the casing 17.
• the terminal 14, 16, 32 can be, for example, a configuration tool 32, the local control unit 14 or the remote control 16.
• the terminal 14, 16, 32 can also be a smartphone, a tablet or a computer .
• the terminal 14, 16, 32 is connected to the electrical outlet 33, by means of a communication link L, represented by an axis line in FIGS. 7 and 8.
• the electrical outlet 33 is configured to communicate with the terminal 14, 16, 32 by means of the communication link L, following the electrical connection of the electrical outlet 33 with the electrical connection device 30 of the electromechanical actuator 8 .
• the communication link L between the electrical outlet 33 and the terminal 14, 16, 32 can be implemented by wire.
• the communication link L between the electrical outlet 33 and the terminal 14, 16, 32 can be implemented wirelessly, in other words by exchanging radioelectric signals or optical signals.
• the electrical outlet 33 and the terminal 14, 16, 32 respectively comprise a communication module, to transmit and / or receive radio signals.
• the exchange of radio signals can be implemented according to a communication protocol, which can be, for example, WiFi, Bluetooth or proprietary.
• the electrical outlet 33 may include a memory, not shown, and be configured to update at least part of software stored in the memory of the electronic control unit 19 of the electromechanical actuator 8, following the electrical connection of the electrical outlet 33 with the electrical connection device 30 of the electromechanical actuator 8.
• the electrical outlet 33 is configured to be connected to the terminal 14, 16, 32, in particular by means of a port communication, which can be, for example, of the USB type (acronym of the English term "Universal Serial Bus"), so as to record at least part of the software to be updated in the memory of the electronic control unit 19 of the electromechanical actuator 8.
• the electrical outlet 33 can be used as a key on which are stored data to be updated in the software stored in the memory of the electronic control unit 19 of the electromechanical actuator 8, following the recording of this data coming from terminal 14, 16, 32.
• the electrical connection device 30 of the printed circuit board 42 is configured to allow a diagnosis of the electromechanical actuator 8, from operating data of the electromechanical actuator 8, by means of the terminal 14, 16, 32
• the operating data are stored in the memory of the electronic control unit 19.
• the operating data can be, for example, a temperature of the electromechanical actuator 8, which can be measured by a temperature probe, not shown, a number of operating cycles of the electromechanical actuator 8 over a period of time predetermined or current consumption over a predetermined period of time.
• the electrical connection device 30 comprises electrical connection points 31 formed on one face 42a of the printed circuit board 42.
• the electrical connection points 31 are electrical conductors of the printed circuit board 42.
• the electrical conductors of the printed circuit board 42 correspond to electrical tracks printed on the printed circuit board 42.
• the electrical connection device 30 comprises four electrical connection points 31. In FIG. 6, only three of the electrical connection points 31 are shown.
• the number of electrical connection points is not limiting and may be different. It can be, in particular, two, three or greater or equal to five.
• the electrical outlet 33 of the terminal 14, 16, 32 comprises cooperating pins, in other words configured to cooperate, with the electrical connection device 30 and, more particularly, with the electrical connection points 31 of the printed circuit board 42.
• the electrical connection points 31 of the printed circuit board 42 are electrically connected to ports of the microcontroller 29 of the electronic control unit 19 by electrical tracks, not shown, printed on the printed circuit board 42.
• the electrical connection device 30 comprises an electrical connector.
• the electrical connector is fixed to the printed circuit board 42 and, more particularly, soldered to the printed circuit board 42.
• the electrical outlet 33 is equipped with an electrical connector complementary to that of the device connection 30.
• the home automation installation includes the blind 1, therefore the electromechanical actuator 8, as well as the electrical outlet 33 and the terminal 14, 16, 32.
• the electrical outlet 33 includes removable fastening elements 34, only one of which is shown in FIG. 8.
• the removable fastening elements 34 of the electrical outlet 33 are configured to cooperate with the wall 39 of the casing 17, in a configuration assembly of the electrical outlet 33 with the electromechanical actuator 8.
• the removable fastening elements 34 of the electrical outlet 33 are similar to the removable fastening elements 25 of the first member 23 of the switching device 21. Thanks to the present invention, such a construction of the electromechanical actuator makes it possible to facilitate access to the electrical connection device, during a maintenance or repair intervention of the electromechanical actuator, without having to dismantle the electromechanical actuator. with respect to the concealment device.
• the electromechanical actuator makes it possible, on the one hand, to detect a high position of a screen of the masking device by means of the switching device and the electronic control unit and, on the other hand, to be able to access the electrical connection device of the printed circuit board through the opening in the casing of the electromechanical actuator, following the disassembly of the first and second members of the switching device relative to the casing.
• the motorized drive device 7 comprises a plurality of first winders of the drive cords 5 and a plurality of second winders of the orientation cords 6.
• the cords of drive 5 are connected, on the one hand, to the load bar 4 and, on the other hand, to the first reels.
• the orientation cords 6 are connected to the load bar 4, to the blades 3, as well as to the second reels.
• the lower end of each drive cord 5 is connected to the load bar 4 and the upper end of each drive cord 5 is connected to one of the first winders, in the assembled configuration of the blind. 1 in the home automation system.
• each orientation cord 6 is connected to the load bar 4 and the upper end of each orientation cord 6 is connected to one of the second winders, in the assembled configuration of the blind 1 in the home automation installation.
• the first and second reels are arranged inside the rail 9.
• the motorized drive device 7 comprises two drive and orientation chains for the blades 3 of the screen 2, replacing the drive cords 5 and the orientation cords 6.
• each chain is arranged inside one of the slides arranged along one side of the screen 2 of the blind 1.

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

Applications Claiming Priority (2)

Publications (2)

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• 2018
  • 2018-11-16 FR FR1860615A patent/FR3088670B1/fr active Active
• 2019
  • 2019-11-15 EP EP19801378.1A patent/EP3880930B1/de active Active
  • 2019-11-15 US US17/293,829 patent/US20220018185A1/en active Pending
  • 2019-11-15 CN CN201980075135.5A patent/CN113039341A/zh active Pending
  • 2019-11-15 WO PCT/EP2019/081464 patent/WO2020099628A1/fr unknown

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