EP2886785B1 - Motorisierte Antriebsvorrichtung eines Aufrollrohrs für eine Blende, die zu einer Abdeckvorrichtung gehört - Google Patents

Motorisierte Antriebsvorrichtung eines Aufrollrohrs für eine Blende, die zu einer Abdeckvorrichtung gehört Download PDF

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Publication number
EP2886785B1
EP2886785B1 EP14198475.7A EP14198475A EP2886785B1 EP 2886785 B1 EP2886785 B1 EP 2886785B1 EP 14198475 A EP14198475 A EP 14198475A EP 2886785 B1 EP2886785 B1 EP 2886785B1
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EP
European Patent Office
Prior art keywords
output shaft
motor
winding tube
driving device
electric motor
Prior art date
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Application number
EP14198475.7A
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English (en)
French (fr)
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EP2886785A1 (de
Inventor
Jeremy Chorier
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Somfy SA
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Somfy SA
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Publication of EP2886785A1 publication Critical patent/EP2886785A1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—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
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • 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
    • E06B2009/725—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller with epicyclic or planetary gear train

Definitions

  • the present invention relates to a motorized drive device of a winding tube for a screen belonging to a concealment device comprising an electric motor provided with an output shaft coupled by a connection means to the winding tube, where the electric motor comprises an obstacle detection device and / or end of the screen.
  • the present invention relates to the field of occultation devices comprising a motorized drive device moving a screen between at least a first position and a second position.
  • the concealment device comprises a winding tube for unwinding or winding the screen.
  • the electric motor is inserted into the winding tube.
  • the electric motor comprises a motor means, a gear reduction device, an output shaft.
  • the output shaft is coupled by a connecting means to the winding tube.
  • the limited mechanical clearance between the winding tube and the output shaft of the electric motor is integrated in a wheel mounted on the output shaft of the electric motor.
  • the wheel comprises a central opening, of rectangular shape, through which is inserted the output shaft of the electric motor.
  • the output shaft of the electric motor has a cross-section, trapezoidal in shape, in the area of positioning of the wheel relative to the output shaft allowing a limited rotational movement of the wheel relative to the shaft Release.
  • this motorized drive device of a winding tube has the disadvantage of making limited mechanical play by means of an accessory external to the electric motor, in particular by means of a game wheel.
  • an external accessory of the play wheel type, is necessary in each electric motor to detect the presence of an obstacle and / or an end-of-travel stop, during a displacement of the screen of the device. occultation, via a control module and a Hall effect sensor configured to detect relative rotation between the wheel and the output shaft.
  • the present invention aims to solve the aforementioned drawbacks and to provide a motorized drive device of a winding tube of a screen of a concealment device to overcome an external accessory mounted on the output shaft of the electric motor comprising a limited mechanical clearance to detect the presence of an obstacle and / or an end stop when moving the screen of the occulting device.
  • the present invention is directed to a motorized device for driving a winding tube for unwinding or winding a screen of an occultation device, said motorized drive device comprising an electric motor inserted into said tube of winding in the mounted state, said electric motor comprising a motor means, a gear reduction device and an output shaft coupled by a connecting means to said winding tube.
  • said output shaft comprises at least a first element and a second element
  • said electric motor comprises means for coupling said first element with said gear reduction device, whereas said first element is coupled in rotation with said second element by means of a mechanism with limited mechanical play, so that the limited mechanical play mechanism is integrated in the output shaft
  • said motorized drive device comprises control means configured to detect a relative rotation between said first and second elements of the output shaft and while the connecting means is an external accessory, devoid of mechanism with limited mechanical play, connecting the output shaft to the winding tube.
  • the electric motor of the motorized drive device comprises a limited mechanical play mechanism integrated in its output shaft, for detecting the presence of an obstacle and / or a limit stop when moving. the screen of the occulting device.
  • the electric motor makes it possible to dispense with an external accessory mounted on its output shaft and comprising a mechanism with mechanical play. limited, to detect the presence of an obstacle and / or a limit stop when moving the screen of the occulting device.
  • Such an electric motor comprising a mechanism with limited mechanical play integrated in the output shaft makes it possible to use any connection means, in particular any type of external accessory devoid of mechanism with limited mechanical play, connecting the output shaft from the electric motor to the winding tube. Consequently, the use of a connection means without a limited mechanical play mechanism connecting the output shaft of the electric motor to the winding tube makes it possible to improve the mechanical strength of the connection between the output shaft of the motor. electric and the winding tube.
  • the integration of the limited mechanical play mechanism in the output shaft of the electric motor makes it possible to reduce the length of the motorized drive device, and in particular to avoid the addition of an adapter piece between the output shaft of the electric motor and the connecting means to the winding tube which would cause an extension of the motor drive device.
  • the integration of the limited mechanical play mechanism in the output shaft of the electric motor facilitates the adaptation of the connection means between the output shaft of the electric motor and the winding tube, in particular by realizing a connecting means as an external accessory mounted on the output shaft, without a mechanism with limited mechanical play.
  • the integration of the limited mechanical play mechanism in the output shaft of the electric motor can also make it possible to improve the reliability of the detection of an obstacle and / or a limit stop during a displacement of the screen of the concealment device with respect to a motorized drive device where an external accessory with a limited mechanical play mechanism is mounted on the output shaft of the electric motor, in particular in the case where the device manufacturer occultation itself carries an external accessory with limited mechanical play mechanism mounted on the output shaft of the electric motor.
  • control of the cooperation between the limited mechanical play mechanism and the control means configured to detect the presence of an obstacle and / or a limit stop when moving the screen of the concealment device, by the electric motor manufacturer, is improved through the integration of the limited mechanical play mechanism in the output shaft of the electric motor.
  • the integration of the limited mechanical play mechanism in the output shaft of the electric motor also makes it possible to optimally adapt the amplitude of the angular section of displacement of the limited mechanical clearance, between the first element of the output shaft and the second element of the output shaft, the technical characteristics of the electric motor.
  • the occulting device 3 can be a roller shutter, as in the example of the Figures 1 to 6 , a blind in canvas or with adjustable blades, or a rolling gate.
  • the present invention applies to all types of occulting device.
  • the screen 2 of the shutter 3 is wound on a winding tube 4 driven by a motorized drive device 5.
  • the screen 2 is movable between a wound position, particularly high, and an unwound position, particularly low .
  • the shutter 3 comprises an apron comprising horizontal blades articulated to each other, forming the screen 2, and guided by two lateral rails 6. These blades are contiguous when the deck 2 of the shutter 3 reaches its position low unrolled.
  • the wound up position corresponds to the support of a final L-shaped end plate 8 of the apron 2 against an edge of a trunk 9 of the roller shutter 3.
  • the low position unrolled corresponds to the bearing of the final end blade 8 of the deck 2 against a threshold 7 of the opening 1.
  • the first blade, or upper blade, of the screen 2 is connected to the winding tube 4 by at least one hinge 10 which forms a fixing means of the screen 2 on the winding tube 4.
  • the winding tube 4 is disposed inside the trunk 9.
  • the apron 2 wraps and unwinds around the winding tube 4 and is housed at least partly inside the trunk 9.
  • the shutter device formed by the shutter 3 comprises the screen 2, the winding tube 4, the motorized winding device 5, the lateral rails 6, the box 9 and the joint (s) 10.
  • the motorized drive device 5 is controlled by a control unit not shown.
  • the control unit may be for example a local control unit which can be connected, wired or wireless, with a central control unit.
  • the central control unit then controls the local control unit, as well as other similar local control units distributed throughout the building.
  • the central control unit may be in communication with a remote weather station outside the building, including in particular one or more sensors that can be configured to determine, for example, a temperature, a brightness, or a wind speed.
  • a remote control not shown, provided with a keypad -and which includes means for selection and display, further allows a user to intervene on the local control unit and / or the control unit Central.
  • the motorized drive device 5 and the local control unit are preferably configured to execute unwinding or winding commands of the screen 2, these commands being able to be acquired notably by the remote control.
  • the motorized drive device 5 comprises an electric motor 11, in particular of tubular type, for rotating the winding tube 4 so as to unroll or wind up the screen 2.
  • the concealment device 3 comprises, among others, the motorized drive device 5 which itself comprises the winding tube 4 for winding the screen 2. In the mounted state of the concealment device 3, the motor 11 is inserted into the winding tube 4.
  • the electric motor 11 comprises in particular a motor means not shown, a gear reduction device 19 and an output shaft 12 whose X12 is noted the axis of rotation.
  • the motor means comprises a magnetically coupled stator and a rotor. When the rotor is supplied with alternating current, the rotor is subjected to a rotating electromagnetic field and rotates about a central axis X12 of the motor 11.
  • the rotor of the motor means is coupled in rotation to the input of the reduction device 19. it drives in rotation.
  • the electric motor 11 also comprises a housing 13, preferably of tubular form.
  • the tubular casing 13 is fixed to a support 14, in particular a cheek, of the trunk 9 by means of a torque support 15, in particular a head, disposed at one end of the electric motor 11 opposite to that comprising the output shaft 12.
  • the electric motor 11 is supplied with electrical energy by means of a cable (not shown) for power supply.
  • the torque support 15 of the electric motor 11 includes a passage of the power supply cable.
  • the motor means and the gear reduction device 19 are arranged inside the housing 13.
  • the output shaft 12 of the electric motor 11 is disposed inside the winding tube 4, and at least partly outside the housing 13 of the electric motor 11.
  • the output shaft 12 of the electric motor 11 is coupled by connecting means 29 to the winding tube 4, as illustrated in FIG. figure 9 .
  • the output shaft 12 comprises at least a first element 16 and a second element 17.
  • the electric motor 11 comprises means for coupling the first element 16 with the gear reduction device 19.
  • the coupling means of the first element 16 of the output shaft 12 with the gear reduction device 19 comprise a holding part 30.
  • the holding part 30 makes it possible, on the one hand, to guarantee a connection in rotation between the first element 16 and the output of the reduction device 19, on the contour of the first element 16 and, on the other hand, a translation stop. between the first element 16 and the reduction device 19, by means of a rib 31 formed on the first element 16.
  • the holding piece 30 is connected to the housing 32 of the gear reduction device 19, more particularly integral with the latter in rotation and in translation.
  • the coupling of the first element 16 with the second element 17 of the output shaft 12 is effected by means of a mechanism 18 with limited mechanical play.
  • the motorized drive device 5 comprises control means not shown. These control means are configured to detect a relative rotation between the first and second elements 16, 17 of the output shaft 12, so as to detect the presence of an obstacle and / or a limit stop when of a displacement of the screen 2.
  • the electric motor 11 comprises a mechanism 18 with limited mechanical play integrated in its output shaft 12, which makes it possible to detect the presence of an obstacle and / or an end stop when a displacement of the screen 2.
  • the electric motor 11 makes it possible to dispense with an external accessory mounted on its output shaft 12 to detect the presence of an obstacle and / or a limit stop.
  • the control means of the motorized drive device 5 make it possible to control the stopping of the electric motor 11, and consequently to avoid damaging the motorized drive device 5.
  • control means which are configured to detect a relative rotation between the first and second elements 16, 17 of the output shaft 12, may comprise a coding wheel, not shown and driven by the winding tube 4.
  • the principle of this device is based on a catch-up phenomenon, for example at the moment when the torque generated by the weight of the screen 2 becomes zero due to the stacking of the blades on an obstacle.
  • the winding tube is stopped. It is this stop which is detected via an encoder wheel placed at the level of the head of the actuator, the angular clearance being realized at the level of the output shaft.
  • control means comprising a Hall effect sensor and an electronic control module.
  • the coding wheel can be implemented by means of at least one magnet cooperating with at least one Hall effect sensor.
  • control means are disposed inside the casing 13, in particular between the torque support 15 and the motor means of the tubular electric motor 11.
  • the first element 16 of the output shaft 12 corresponds to a base part of the output shaft 12 on which the second element 17 is attached, being adapted to rotate on an angular sector of limited displacement, in the relative reference to element 16.
  • the amplitude of the angular sector of displacement determined by the mechanism 18 extends in a range between 15 ° and 45 °, preferably of the order of 30 °.
  • the amplitude of the angular sector of displacement determined by the mechanism 18 is adapted as a function of the type of electric motor 11, in particular as a function of the range of torque values delivered by the electric motor 11 and, moreover, according to the means control units configured to determine a relative rotation between the first and second members 16, 17 of the output shaft 12.
  • first and second members 16, 17 of the output shaft 12 are parts of revolution.
  • the first element 16 of the output shaft 12 has a profile internal and the second element 17 of the output shaft 12 has a first outer profile, wherein the first outer profile of the second member 17 cooperates with the internal profile of the first member 16, following the axial sliding of the second member 17 on the first element 16, along the axis X12 of rotation of the output shaft 12, so as to allow relative rotation between the first and second elements 16 and 17, by means of the mechanism 18.
  • the internal profile of the first element 16 comprises ribs and / or grooves cooperating with grooves and / or ribs of the first external profile of the second element 17, following the axial sliding corresponding to the mounting of the second element 17 on the first element 16 along the axis of rotation X12.
  • the ribs and grooves of the first and second members 16 and 17 cooperate together in engagement with one another and in rotational connection between the first and second members 16, 17 while allowing relative amplitude rotation. limited between the first and second elements 16, 17 through the mechanism 18.
  • the second element 17 of the output shaft 12 has, on its outer periphery, ribs 20, or in other words teeth, extending along the axis of rotation X12.
  • the first element 16 of the output shaft 12 comprises a cavity 21 which has, on its inner periphery, grooves 22, or in other words housings, also extending along the axis of rotation X12.
  • the ribs 20 of the second element 17 are able to cooperate with the grooves 22 of the first element 16, so as to make a connection in rotation between the first element 16 and the second element 17, when the second element 17 is engaged in the first element 16 by the aforementioned axial sliding along the axis X12.
  • the first element 16 is engaged with the second element 17.
  • the first element 16 comprises, on the opposite side of the reduction device 19, the cavity 21 provided with grooves 22 cooperating with the ribs 20 of the second element 17 , which makes it possible to engage the second element 17 in the first element 16 by axial sliding, while guaranteeing a connection in rotation between the first and second elements 16, 17.
  • the volume of the cavity 21 makes it possible to receive the portion of the second element 17 with an angular clearance. More specifically, the width, measured in a direction orthoradial to the axis X12, of a rib 20 is strictly smaller than the width, also measured in a direction orthoradial to the axis X12, of a groove 22. Thus, the ribs 20 and the grooves 22 together form the mechanism 18 with angular clearance limit.
  • the reference 18a denotes an empty volume defined inside a groove 22, on one side of a rib 20.
  • the apex angle ⁇ of this volume 18a defines the amplitude of the angular sector of relative angular displacement between the elements 16 and 17, around the axis X12. As mentioned above, it is between 15 ° and 45 °, preferably of the order of 30 °.
  • the ribs 20 of the second member 17 can be angularly moved about the axis X12, within the grooves 22 of the first member 16, in particular by the motor means and the gear reduction device 19 in the context of an obstacle detection or limit stop.
  • the positioning of the ribs 20 and grooves 22 on the first and second members 16, 17 of the output shaft 12 can be reversed in another embodiment.
  • the second element 17 comprises three ribs 20 arranged at an angle of 120 ° with respect to each other, and the first element 16 comprises three grooves 22 also arranged at an angle of 120 ° with respect to each other. the other.
  • the number and the angular position of the ribs 20 and grooves 22 on the first and second elements 16, 17 are in no way limiting and may be different, in particular two in number and arranged at an angle of 180 ° with respect to the other.
  • first and second members 16, 17 are made of plastic.
  • the second element 17 is disposed partly outside the housing 13 of the electric motor 11 and partly inside thereof.
  • the part of the second element 17 disposed outside the housing 13 of the electric motor 11 is provided to cooperate with the connecting means 29 to the winding tube 4 and, in particular, to drive the connecting means 29 in rotation.
  • part of the second element 17 disposed inside the housing 13 is provided to cooperate with the first element 16 of the output shaft 12.
  • the integration of the limited-play mechanism 18 in the output shaft 12 of the electric motor 12 and the positioning of a portion of the second element 17 inside the housing 13 make it possible to reduce the length of the drive device. motorized 5.
  • the second element 17 of the output shaft 12 comprises a first part cooperating with the first element 16 of the output shaft 12, and a second part cooperating with the connecting means 29 to the winding tube 4.
  • the first part of the second element 17 is disposed inside the casing 13, in particular inside the cavity 21 of the first element 16.
  • the second part of the second element 17 is disposed outside the housing 13, in particular within a cavity 37 of the connecting means 29.
  • the first part of the second element 17 corresponds to the first external profile of the second element 17 cooperating with the internal profile of the first element 16.
  • the second part of the second element 17 of the output shaft 12 corresponds to a second external profile of the second element 17 cooperating with the internal profile of the connecting means 29.
  • the outer diameter of the second portion of the second member 17 is smaller than the outer diameter of the housing 13 of the electric motor 11.
  • the second element 17 comprises a shoulder 27 cooperating with a face 28 of the first element 16, so as to provide a stop for positioning the second element 17 relative to the first element 16, during axial sliding, along the axis X12, of the second element 17 in the first element 16, this sliding corresponding to the assembly of the two elements 16 and 17 of the output shaft 12.
  • the output shaft 12 comprises means for connecting the first element 16 with the second element 17.
  • connection means provide a free fit between the first element 16 and the second element 17, so as to allow relative rotation between the first and second members 16, 17 of the output shaft 12.
  • connection means are fastening means by screwing.
  • the first element 16 comprises a screwing shaft 23, preferably aligned with the axis of rotation X12 of the output shaft 12, and the second element 17 comprises a hole 24 for passing a fixing screw 25.
  • the hole passage 24 of the second element 17 is aligned with the screwing shaft 23 of the first element 16 and the fixing screw 25 cooperates with the screwing rod 23.
  • a washer 26 is disposed between the head of the fixing screw 25 and a face of the second element 17 comprising the through hole 24.
  • the connecting means of the first element 16 with the second element 17 are resilient snap fastening means.
  • the snap fastening means of the first element 16 with the second element 17 are connection means forming a non-removable connection.
  • first and second members 16, 17 of the output shaft 12 can not be disassembled after assembly. In this way, the first and second elements 16, 17 form an integral assembly belonging to the electric motor 11.
  • the first element 16 of the output shaft 12 comprises at least one notch 33 formed on a peripheral contour of a hub 34, preferably aligned with the axis of rotation X12 of the output shaft 12, and the second element 17 of the output shaft 12 comprises at least one elastic tongue 35.
  • This elastic tongue 35 cooperates with the notch 33 of the first element 16.
  • the second element 17 comprises three elastic tongues 35 cooperating with three notches 33 formed on the peripheral contour of the hub 34 of the first element 16.
  • the three elastic tongues 35 are arranged at an angle of 120 ° relative to each other
  • the three notches 33 are also arranged at an angle of 120 ° relative to each other.
  • the number and the angular position of the notches 33 and elastic tabs 35 on the first and second elements 16, 17 are in no way limiting and may be different, in particular two in number and arranged at an angle of 180 ° relative to each other. to the other.
  • the connecting means 29 has an internal profile and the second element 17 of the output shaft 12 has a second external profile.
  • the second outer profile of the second element 17 cooperates with the internal profile of the connecting means 29 following axial sliding of the connecting means 29 on the second element 17 along the axis of rotation X12 of the output shaft 12, so that blocking in rotation the connecting means 29 with respect to the second element 17.
  • connection between the connecting means 29 and the second element 17 of the output shaft 12 is made by interlocking and without a mechanism with limited mechanical play, unlike what is envisaged in the document EP 0 716 214 .
  • the internal profile of the connecting means 29 comprises ribs and / or grooves cooperating with grooves and / or ribs of the second outer profile of the second element 17 following axial sliding of the connecting means 29 on the second element 17, along the axis of rotation X12.
  • the ribs and grooves of the connecting means 29 and the second element 17 cooperate together, so as to form a tight fit and to lock in rotation the connecting means 29 relative to the second element 17 of the output shaft 12.
  • the internal profile of the connecting means 29 is inserted and held on the second outer profile of the second element 17 of the output shaft 12 by simply sliding the connecting means 29 axially on the second element 17, so as to form a tight fit and to lock in rotation the connecting means 29 with respect to the second element 17.
  • the internal profile of the connecting means 29 is inserted on the second outer profile of the second element 17 by axial sliding of the connecting means 29 on the second element 17, and maintained on the second outer profile of the second element 17 by not shown elastic snap-fastening means, so as to block in rotation and in translation the connecting means 29 with respect to the second element 17.
  • the second element 17 of the output shaft 12 has, on its outer periphery, ribs 36, or in other words teeth, extending along the axis of rotation X12.
  • the connecting means 29 defines the cavity 37 which has, on its inner periphery, grooves 38, or in other words housings, extending along the axis of rotation X12.
  • the ribs 36 of the second element 17 of the output shaft 12 are able to cooperate with the grooves 38 of the connecting means 29, so as to lock the connecting means 29 in rotation relative to the second element 17, the connecting means 29 being engaged on the second element 17 of the output shaft 12 by axial sliding along the axis of rotation X12.
  • the second element 17 of the output shaft 12 is engaged with the connecting means 29.
  • the second element 17 comprises, on the opposite side to the first element 16 of the output shaft 12, the ribs 36 cooperating with the grooves 38 of the cavity 37 of the connecting means 29, so as to be able to engage the connecting means 29 on the second element 17 of the output shaft 12 by axial sliding, while ensuring locking in rotation between the connecting means 29 and the second element 17.
  • the connecting means 29 is engaged with the winding tube 4.
  • the connecting means 29 can be engaged in the winding tube 4.
  • the rotational connection between the connecting means 29 and the winding tube 4 is ensured by the cooperation of complementary grooves and ribs, while allowing axial sliding between the means connecting piece 29 and the winding tube 4.
  • the connecting means 29 is an accessory, in particular a drive wheel.
  • the connecting means 29 comprises outer forms cooperating with internal shapes of the winding tube 4.
  • the connection between the connecting means 29 and the winding tube 4 is provided by the cooperation of complementary shapes.
  • the connecting means 29 cooperating with the winding tube 4 makes it possible to achieve an adaptation between the different models of winding tube that can be made by the manufacturers of occultation devices.
  • connection between the connecting means 29 and the winding tube 4 provided by the cooperation of complementary shapes and the integration of the limited mechanical clearance 18 in the output shaft 12 of the electric motor 11 limits the references. connecting means 29 to those without built-in mechanical play.
  • connection between the connecting means 29 and the winding tube 4 is provided by fastening means connecting the connecting means 29 and the winding tube 4, such as for example one or more fastening screws, or one or more rivets.
  • the control means of the motorized drive device 5 of the screen 2 of the concealment device 3 according to the invention consist of at least one electronic control unit, not shown. This electronic control unit is able to put into operation the motorized drive device 5.
  • the electronic control unit controls, in particular the motor means of the electric motor 11, so as to wind or unwind the screen 2, as described above, and to identify the presence of an obstacle and / or an end stop. running during a displacement of the screen 2 by the detection of a relative rotation between the first and second elements 16, 17 of the output shaft 12.
  • the control means of the drive device of a screen 2 of a concealment device 3 comprise hardware and / or software means.
  • the hardware means may comprise at least one microcontroller.
  • the electric motor of a motorized driving device of a winding tube of a screen of a concealment device comprises a mechanism with limited angular mechanical play, integrated in its output shaft. , so as to detect the presence of an obstacle and / or a limit stop when moving the screen of the occulting device.
  • the electric motor makes it possible to dispense with an external accessory mounted on its output shaft and comprising a mechanism with limited mechanical play.
  • Such an electric motor comprising a mechanism with limited mechanical play integrated in its output shaft allows to use any connection means, in particular any type of external accessory without a mechanism with limited mechanical play, connecting the shaft of output of the electric motor to the winding tube. Consequently, the use of a connection means without a limited mechanical play mechanism connecting the output shaft of the electric motor to the winding tube makes it possible to improve the mechanical strength of the connection between the output shaft of the motor. electric and the winding tube.
  • the integration of the limited mechanical play mechanism in the output shaft of the electric motor also makes it possible to adapt the amplitude of the angular section of displacement of the limited mechanical play, between the first element and the second element of the electric motor. output shaft, with the technical characteristics of the electric motor.
  • the output shaft may comprise other parts than elements 16 and 17, in particular a third element that can be a part of revolution.
  • the material of the first and second elements of the output shaft may be different, in particular metal.
  • the embodiments and variants mentioned above may be combined with one another to generate other embodiments of the invention.

Claims (10)

  1. Vorrichtung (5) zum motorisierten Antrieb eines Wickelrohrs (4) zum Abwickeln oder Aufwickeln eines Schirms (2), der zu einer Verschlussvorrichtung (3) gehört, wobei die motorisierte Antriebsvorrichtung einen elektrischen Motor (11) umfasst, der in das Wickelrohr (4) im montierten Zustand eingefügt ist und der ein Motormittel, eine Getriebeuntersetzungsvorrichtung (19) und eine Ausgangswelle (12), die durch ein Verbindungsmittel (29) an das Wickelrohr (4) gekoppelt ist, umfasst, dadurch gekennzeichnet, dass:
    - die Ausgangswelle (12) mindestens ein erstes Element (16) und ein zweites Element (17) umfasst,
    - der elektrische Motor (11) Mittel zum Koppeln des ersten Elements (16) mit der Getriebeuntersetzungsvorrichtung (19) umfasst,
    - das erste Element (16) zur Drehung mit dem zweiten Element (17) mittels eines Mechanismus (18) mit begrenztem Spiel gekoppelt ist, derart, dass der Mechanismus (18) mit begrenztem mechanischen Spiel in die Ausgangswelle (12) integriert ist,
    - die motorisierte Antriebsvorrichtung (5) Mittel zur Steuerung umfasst, die ausgebildet sind, eine relative Drehung zwischen dem ersten und dem zweiten Element (16,17) zu detektieren,
    - das Verbindungsmittel (29) ein externes Zubehörteil ohne Mechanismus mit begrenztem mechanischem Spiel ist, das die Ausgangswelle (12) mit dem Wickelrohr (4) verbindet.
  2. Motorisierte Antriebsvorrichtung (5) nach Anspruch 1, dadurch gekennzeichnet, dass das erste und das zweite Element (16,17) der Ausgangswelle (12) angepasst sind, das eine auf das andere durch relative axiale Gleitbewegung entlang einer Drehachse (X12) der Ausgangswelle (12) montiert zu werden.
  3. Motorisierte Antriebsvorrichtung (5) nach Anspruch 2, dadurch gekennzeichnet, dass:
    - das erste Element (16) der Ausgangswelle (12) ein Innenprofil, und das zweite Element (17) der Ausgangswelle ein erstes Außenprofil aufweist,
    - das erste Außenprofil des zweiten Elements (17) mit dem Innenprofil des ersten Elements (16) folgend auf die relative axiale Gleitbewegung des ersten und zweiten Elements (16, 17) zusammenarbeitet, wobei eine relative Drehung zwischen dem ersten und dem zweiten Element (16,17) mittels des Mechanismus (18) mit begrenztem mechanischem Spiel gestattet wird.
  4. Motorisierte Antriebsvorrichtung (5) nach Anspruch 3, dadurch gekennzeichnet, dass:
    - das Innenprofil des ersten Elements (16) der Ausgangswelle (12) Rippen (20) und/oder Nuten (22) umfasst, die mit Nuten und/oder Rippen des ersten Außenprofils des zweiten Elements (17) der Ausgangswelle (12) als Folge auf die relative Gleitbewegung des ersten und zweiten Elements (16, 17) zusammenarbeiten,
    - die Rippen (20) und die Nuten (22) zusammenarbeiten und eine Drehverbindung zwischen dem ersten und zweiten Element (16,17) herstellen, wobei eine relative Drehung zwischen dem ersten und zweiten Element (16,17) mittels des Mechanismus (18) mit begrenztem mechanischen Spiel ermöglicht wird.
  5. Motorisierte Antriebsvorrichtung (5) nach Anspruch 4, dadurch gekennzeichnet, dass infolge der relativen axialen Gleitbewegung des ersten und zweiten Elements (16,17) der Ausgangswelle (12), die Rippen (20) und die Nuten (22) zusammen ein Leervolumen (18a) begrenzen, das die Amplitude (α) einer möglichen relativen Winkelbewegung zwischen dem ersten Element und zweiten Element um die Drehachse (X12) der Ausgangswelle (12) definiert.
  6. Motorisierte Antriebsvorrichtung (5) nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Ausgangswelle (12) Mittel (23, 24, 25, 26; 33, 35) zur Verbindung des ersten Elements (16) mit dem zweiten Element (17) umfasst.
  7. Motorisierte Antriebsvorrichtung (5) nach Anspruch 6, dadurch gekennzeichnet, dass die Mittel zur Verbindung Mittel (23, 24, 25, 26) zur Schraubbefestigung sind.
  8. Motorisierte Antriebsvorrichtung (5) nach Anspruch 6, dadurch gekennzeichnet, dass die Mittel zur Verbindung Mittel (33, 35) zur elastischen Rastbefestigung sind.
  9. Motorisierte Antriebsvorrichtung (5) nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zweite Element (17) der Ausgangswelle (12) im Eingriff mit dem Mittel (29) zur Verbindung mit dem Wickelrohr (4) ist.
  10. Motorisierte Antriebsvorrichtung (5) nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass:
    - das zweite Element (17) der Ausgangswelle (12) mindestens teilweise außerhalb des Gehäuses (13) des elektrischen Motors (11) und mindestens teilweise im Inneren des Gehäuses (13) angeordnet ist,
    - das Teil des zweiten Elements (17) der Ausgangswelle (12), das außerhalb des Gehäuses (13) angeordnet ist, vorgesehen ist, mit dem Mittel (19) zur Verbindung mit dem Wickelrohr (4) zusammenzuarbeiten,
    - das Teil des zweiten Elements (17) der Ausgangswelle (12), das innerhalb des Gehäuses (13) angeordnet ist, vorgesehen ist, mit dem ersten Element (16) der Ausgangswelle (12) zusammenzuarbeiten.
EP14198475.7A 2013-12-20 2014-12-17 Motorisierte Antriebsvorrichtung eines Aufrollrohrs für eine Blende, die zu einer Abdeckvorrichtung gehört Active EP2886785B1 (de)

Applications Claiming Priority (1)

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FR1363302A FR3015545B1 (fr) 2013-12-20 2013-12-20 Dispositif d'entrainement motorise d'un tube d'enroulement pour un ecran appartenant a un dispositif d'occultation

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FR3072115B1 (fr) 2017-10-10 2019-11-08 Somfy Activites Sa Actionneur electromecanique tubulaire, installation domotique comprenant un tel actionneur et procede d'assemblage d'un tel actionneur
DE102018121853A1 (de) * 2018-09-07 2020-03-12 Thodacon Werkzeugmaschinenschutz Gmbh Abdeckvorrichtung
DE102019106826B4 (de) * 2019-03-18 2022-04-28 Hbpo Gmbh Vorrichtung zum Steuern und Führen eines Verschlusselementes
FR3108459B1 (fr) 2020-03-20 2022-04-01 Somfy Activites Sa Procédé de détection d’un obstacle, actionneur électromécanique et installation de fermeture ou de protection solaire
BE1028296B1 (nl) * 2020-05-12 2021-12-16 Renson Sunprotection Screens Nv Systeem voor het monteren van een op- en afrolbaar scherm

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DE4440449C2 (de) * 1994-11-14 1997-06-12 Elero Antrieb Sonnenschutz Verfahren und Vorrichtung zur Stillstandssteuerung von elektromotorisch betriebenen Rolläden oder dergleichen
FR2834391B1 (fr) * 2001-12-28 2004-04-02 Somfy Dispositif de frein a disques et de transmission de couple
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ITTV20050169A1 (it) * 2005-11-07 2007-05-08 Nice Spa Dispositivo di sicurezza per avvolgibili, tende solari, cancelli o simili.
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ITTV20080004A1 (it) * 2008-01-10 2009-07-11 Nice Spa Azionamento per avvolgibili con protezione contro vento eccessivo
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US10704325B2 (en) * 2015-07-24 2020-07-07 Somfy Activites Sa Versatile gear motor for roller blinds and non-roller blinds

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CN104727726B (zh) 2018-06-05
FR3015545A1 (fr) 2015-06-26
FR3015545B1 (fr) 2018-02-16
EP2886785A1 (de) 2015-06-24

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