Classifications

• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
  • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
  • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
  • E05F15/00—Power-operated mechanisms for wings
  • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
  • E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
  • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
  • E06B9/40—Roller blinds
• • 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
• • 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
  • E06B2009/6809—Control
  • E06B2009/6818—Control using sensors
  • E06B2009/6854—Control using sensors sensing torque

Definitions

• the present invention relates to a method for configuring a motorized drive device of an installation. home automation system for closing or sun protection, a control method in operation of such a motor drive device configured in accordance with the aforementioned configuration method, a motorized drive device of a home automation system for closing or solar protection, and that a home automation closure or sunscreen system incorporating such a motorized drive device.
• 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.
• a motorized driving device comprises an electromechanical actuator of a movable closure, occultation or sun protection element such as a blind or any other equivalent equipment, hereafter called a screen.
• Such home automation installations include a concealment device.
• the concealment device comprises a winding tube, a screen and a load bar. A first end of the screen is attached to the winding tube. And a second end of the screen is attached to the load bar.
• the motorized driving device comprises an electromechanical actuator for winding and unwinding the screen on the winding tube, between a wound position and an unwound position.
• the electromechanical actuator comprises an electric motor, an output shaft connected to the winding tube of the concealment device and an electronic control unit.
• the electronic control unit comprises a device for measuring the rotational speed of a rotor of the electric motor.
• the electronic control unit of the electromechanical actuator implements a step of automatic determination of the end positions of the screen.
• the automatic determination of the end positions of the screen is implemented by analyzing the rotational speed variation of the rotor of the electric motor of the electromechanical actuator.
• the torque of the electromechanical actuator is determined, in particular by the installer, according to the size of the concealment device and, in particular, by means of a chart taking into account the weight of the load bar and the diameter of the winding tube.
• the obstacle detection threshold value is determined by the manufacturer of motorized drive devices for each electromechanical actuator, so as to select an electromechanical actuator for the home automation installation according to data related to the occultation device.
• the obstacle detection threshold value associated with each electromechanical actuator can not be adapted as a function of the dimensioning of the occulting device but as a function of its range of values relating to the weight of the electromechanical actuator. charge and on the diameter of the winding tube.
• the single obstacle detection threshold value may be too large compared to the dimensioning of the occultation device and may render the obstacle detection nonoperational, since the detection threshold value of obstacle will never be reached when moving the screen to the unrolled position.
• the single obstacle detection threshold value may be too small compared to the dimensioning of the concealment device and may cause nuisance obstruction detections, during a displacement of the screen towards the unrolled position.
• FR 2 849 553 A1 discloses a motorized drive device of a closure system comprising an electromechanical actuator and an obstacle detector.
• the electromechanical actuator comprises an electric motor and an electronic control unit.
• the obstacle detector uses an automatically determined excess force threshold value to enable detection of an obstacle under various operating conditions.
• the object of the present invention is to solve the aforementioned drawbacks and to propose a method of configuring a motorized drive device of a home automation system for closing or sun protection, a method of operating the motorized driving device in accordance with the configuration method of the motorized driving device, an associated motor-drive device and a home automation system for closing or protection solar system comprising such a motorized drive device, for automatically determining an obstacle detection threshold value and to ensure a similar behavior of an electromechanical actuator for different occultation devices that may have a different dimensioning.
• the present invention aims, in a first aspect, a method of configuring a motorized drive device of a home automation system for closing or sun protection,
• the home automation closure or sun protection system comprising a concealment device
• the concealment device comprising at least:
• the motorized driving device comprising at least:
• an electromechanical actuator for winding and unrolling the screen on the winding tube, between a wound position and an unwound position
• the electromechanical actuator comprising at least:
• the electronic control unit comprising at least:
• a memory storing a value of the measured quantity.
• the configuration method comprises at least one step of automatically determining a low end position of the screen. According to the invention, the configuration method comprises at least the following steps:
• the method of configuring the motorized drive device of the home automation system for closing or sun protection automatically determines an obstacle detection threshold value, when moving the screen to the unrolled position, and of to guarantee a similar behavior of an electromechanical actuator for different occultation devices that may have a different dimensioning.
• the method of configuring the motorized drive device of the home automation system for closing or sun protection makes it possible to adapt the obstacle detection threshold value of the motorized drive device for each occultation device, following the determination of the low end position of the screen.
• Determination of the low end position is implemented by determining a decrease in the force generated by the mass of the load bar at the electric motor of the electromechanical actuator.
• the configuration of the motorized drive device implemented by determining a variation of the load at the electric motor of the electromechanical actuator, when determining the low end position, corresponds to the change of state where the load bar attached to the second end of the screen exerts a tensile force on the electric motor to the one where the load bar attached to the second end of the screen exerts a lower tensile force, or n ' exerts no traction force on the electric motor.
• the step of determining a variation of the measured quantity is implemented between a time preceding the determination of the achievement of the low end position of the screen and an instant following the determination of the reaching of the low end position of the the screen.
• the step of automatically determining the low end position of the screen comprises a substep of activation of the motorized drive device, so as to move the screen to the unrolled position, a substep of moving the screen, and then a substep of stopping the motorized driving device. And when the determined variation of the measured quantity is greater than a predetermined threshold value, the substep of stopping the motorized drive device is implemented.
• the configuration method comprises, following the step of determining the variation of the measured quantity, a step of confirmation of the low end position of the screen.
• the step of confirming the low end position of the screen is implemented when the determined variation of the measured quantity is greater than the predetermined threshold value.
• the step of measuring the magnitude of the electric current is implemented periodically.
• the present invention aims, according to a second aspect, a control method in operation of a motorized drive device of a home automation system for closing or sun protection.
• This method comprises at least the following steps:
• control method is implemented following the configuration of the motorized drive device, so as to determine, following the comparison of the variation of the measured quantity with respect to the determined obstacle detection threshold value, the presence or absence of an obstacle by the electronic control unit of the electromechanical actuator, as a function of the result of the comparison.
• the step of comparing the variation of the quantity measured with respect to the determined obstacle detection threshold value is implemented periodically, as long as the result of the step of determining the presence or absence of an obstacle by the electronic control unit of the electromechanical actuator is different from a detected obstacle.
• the present invention aims, in a third aspect, a motorized drive device of a home automation system for closing or sun protection.
• This motorized driving device comprises the electronic control unit of the electromechanical actuator configured to implement the method of configuring the motorized drive device mentioned above and / or the operating control method mentioned above. .
• This motorized driving device has characteristics and advantages similar to those described above in relation to the methods of configuration and control in operation according to the invention.
• the present invention aims, according to a fourth aspect, a home automation system for closing or sun protection comprising a motorized drive device as mentioned above.
• the invention also relates to a data storage medium, readable by a computer, on which is recorded a computer program comprising computer program code means for implementing the steps of the previously defined configuration method and the steps of control method defined above.
• the invention also relates to a computer program comprising a computer program code means adapted to performing the steps of the previously defined configuration method and the steps of the control method defined above, when the program is implemented by a computer.
• FIG. 1 is a schematic cross-sectional view of a home automation system according to one embodiment of the invention
• FIG. 2 is a schematic perspective view of the installation home automation illustrated in Figure 1;
• Figure 3 is a partial schematic sectional view of the home automation system illustrated in Figure 2 comprising an electromechanical actuator according to one embodiment of the invention
• Figure 4 is a block diagram of an algorithm of a method according to the invention for configuring a motorized driving device of the home automation system illustrated in Figures 1 to 3;
• FIG. 5 is a block diagram of an algorithm of a method according to the invention, control in operation of the motorized drive device of the home automation system illustrated in Figures 1 to 3; and
• FIG. 6 is a graph showing the evolution of a magnitude of an electric current flowing through an electric motor of an electromechanical actuator of the motorized drive device as a function of time, when the configuration and control methods, such as as shown in Figures 4 and 5, are implemented.
• I window or door, equipped with a screen 2 belonging to a concealment device 3, in particular a motorized roller blind.
• the occulting device 3 is a cloth awning.
• FIGS. 1 and 2 With reference to FIGS. 1 and 2, a roll-up blind according to one embodiment of the invention will be described.
• the screen 2 of the occulting device 3 is wound on a winding tube 4 driven by a motorized drive device 5 and movable between a wound position, particularly high, and a unwound position, particularly low.
• the movable screen 2 of the concealment device 3 is a closure, concealment and / or sun protection screen, winding on the winding tube 4, the internal diameter of which is substantially equivalent to 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 assembly of the occulting device 3.
• the motor drive device 5 comprises the electromechanical actuator
• I in particular tubular type, for rotating the winding tube 4, so as to unroll or wind the screen 2 of the occulting device 3.
• the concealment device 3 comprises the winding tube 4 for winding the screen 2, where, in the mounted state, the electromechanical actuator 11 is inserted into the tube winding 4.
• the concealment device 3 also comprises a charge bar 8 for exerting a voltage on the screen 2.
• a first end of the screen 2 in particular the upper end of the screen 2 in the assembled configuration of the occulting device 3 in the home automation system, is attached to the winding tube 4.
• a second end of the screen 2 in particular the lower end of the screen 2 in the configuration assembly of the concealment device 3 in the home automation system, is fixed to the load bar 8.
• the screen forming fabric 2 is made from a textile material. Moreover, such a fabric forming the screen 2 is provided to be impervious to air, that is to say wind resistant.
• the first end of the screen 2 has a hem through which is disposed a rod, in particular plastic.
• This hem made at the first end of the screen 2 is obtained by means of a seam of the fabric forming the screen 2.
• the wound up position corresponds to the support of the load bar 8 of the screen 2 against an edge of a box 9 of the roller blind 3
• the unrolled low position corresponds to the support of the load bar 8 of the screen 2 against a threshold 7 of the opening 1.
• the winding tube 4 is disposed inside the trunk 9 of the roll-up awning 3.
• the screen 2 of the roll-up awning 3 is rolled up and unrolls around the winding tube 4 and is housed at least partly in the inside the trunk 9.
• the box 9 is disposed above the opening 1, or in the upper part of the opening 1.
• the screen 2 also comprises at each of its lateral edges a strip-shaped attachment piece 10.
• the home automation installation comprises two lateral rails 6 arranged along two lateral edges of the opening 1.
• the lateral slides 6 respectively comprise a groove inside which is retained a fastener 10 of the screen 2, as well as that a lateral end of the load bar 8 attached to the second end of the screen 2.
• Each groove in a lateral slide 6 makes it possible to prevent the removal of a fastener piece 10 fixed on one of the lateral edges of the screen 2, during the displacement of the screen 2 between the wound position and the unrolled position.
• each attachment piece 10 extends along the entire length of one of the two lateral edges of the screen 2.
• the fasteners 10 are fixed respectively at a side edge of the screen 2 by gluing, welding or overmolding. And the fasteners 10 may be made of plastic material and, in particular, overmolded on the lateral edges of the screen 2.
• the side rails 6 disposed respectively along a lateral edge of the opening 1 extend in a vertical direction.
• the lateral slides 6 extend from the threshold 7 of the opening 1 to the trunk 9 of the roller blind 3.
• packing elements are arranged inside the lateral slides 6 and cooperate with the fastening pieces 10 fixed respectively at a lateral edge of the screen 2, so as to maintain the screen 2 in tension by the application of a force on each fastener 10 against a wall of the lateral slide 6.
• the packing elements arranged inside the side rails 6 are elastic elements, in particular plastic.
• the packing elements may also be provided in the form of foam or comprise a down.
• the packing elements arranged inside the lateral slides 6 make it possible to guarantee the application of a frictional resistance on the fastening pieces 10 of the screen 2, so as to keep the screen 2 taut, when moving the screen 2 or when the screen 2 is kept at a standstill.
• the trunk 9 of the roller blind 3 and the side rails 6 form a frame inside which the screen 2 can be moved.
• This frame can be closed by an additional bar connecting the two side rails 6 at the threshold 7 of the opening 1.
• the motor drive device 5 is controlled by a control unit.
• the control unit may be, for example, a local control unit 12, where the local control unit 12 may be wired or wirelessly connected to a central control unit 13.
• the central control unit 13 controls the local control unit 12, as well as other similar local control units distributed throughout the building.
• the central control unit 13 may be in communication with a remote weather station outside the building, including, in particular, one or more sensors that can be configured to determine, for example, a temperature, a brightness, or a speed Wind.
• a remote control 14 which may be a type of local control unit, and provided with a control keyboard, which comprises means of selection and display, further allows a user to intervene on the actuator electromechanical 1 1 and / or the central control unit 13.
• the motorized drive device 5 is preferably configured to execute the unwinding or winding commands of the screen 2 of the concealment device 3, which can be transmitted, in particular, by the remote control unit 14.
• the electromechanical actuator 11 comprises an electric motor 16.
• the electric motor 16 comprises a rotor and a stator, not shown and positioned coaxially about an axis of rotation X, which is also the axis of rotation of the tube. winding 4 in mounted configuration of the motorized drive device 5.
• Control means of the electromechanical actuator 1 1 according to the invention, allowing the displacement of the screen 2 of the occulting device 3, comprise at least one electronic control unit 15.
• This electronic control unit 15 is suitable to operate the electric motor 16 of the electromechanical actuator 11, and, in particular, to allow the electric power supply of the electric motor 16.
• the electronic control unit 15 controls, in particular, the electric motor 16, so as to open or close the screen 2, as described above.
• the electronic control unit 15 also comprises an order receiving module, in particular of radio orders issued by a command transmitter, such as the remote control 14 intended to control the electromechanical actuator 11 or one of the local control units 12 or central 13.
• a command transmitter such as the remote control 14 intended to control the electromechanical actuator 11 or one of the local control units 12 or central 13.
• the order receiving module may also allow the reception of orders transmitted by wire means.
• the electronic control unit 15 is disposed inside a housing 17 of the electromechanical actuator 11.
• the control means of the electromechanical actuator 11 comprise hardware and / or software means.
• the hardware means may comprise at least one microcontroller.
• the electromechanical actuator January 1 is supplied with electrical energy by a mains power supply network, or by means of a battery, which can be recharged, for example, by a photovoltaic panel.
• the electromechanical actuator 1 1 moves the screen 2 of the occulting device 3.
• the electromechanical actuator January 1 includes a power supply cable 18 for its supply of electrical energy from the mains power supply network.
• the casing 17 of the electromechanical actuator 11 is preferably of cylindrical shape.
• the housing 17 is made of a metallic material.
• the housing material of the electromechanical actuator is not limiting and may be different and, in particular, plastic.
• the electromechanical actuator 11 also comprises a gear reduction device 19 and an output shaft 20.
• the electric motor 16 and the gear reduction device 19 are disposed inside the casing 17 of the electromechanical actuator January 1.
• the output shaft 20 of the electromechanical actuator January 1 is disposed inside the winding tube 4, and at least partly outside the housing 17 of the electromechanical actuator January 1.
• the output shaft 20 of the electromechanical actuator January 1 is coupled by a connecting means 22 to the winding tube 4, in particular a wheel-shaped connection means.
• the electromechanical actuator 11 also comprises a closure element 21 at one end of the casing 17.
• the casing 17 of the electromechanical actuator 11 is fixed to a support 23, in particular a cheek, of the trunk 9 of the concealment device 3 by means of the element shutter 21 forming a torque support, in particular a closure head and torque recovery.
• the shutter element 21 is also called a fixed point of the electromechanical actuator January 1.
• the electronic control unit 15 of the electromechanical actuator 11 comprises a device for detecting obstacles and limit switches during the winding of the screen 2 and during the unwinding of this screen 2.
• the device for detecting obstacles and limit switches during winding and during the unwinding of the screen 2 is implemented by means of a microcontroller of the electronic control unit 15, and in particular by means of an algorithm implemented by this microcontroller.
• the electronic control unit 15 comprises a measuring device 24 of a magnitude T of an electric current flowing through the electric motor 16 and a memory storing a value of the measured magnitude T.
• the magnitude T of the electric current flowing through the electric motor 16 measured by the measuring device 24 is a voltage and, in particular, a voltage across a phase shift capacitor of the electric motor 16 of the actuator.
• electromechanical 1 The measurement of the voltage across the phase shift capacitor of the electric motor of the electromechanical actuator is well known in the state of the art and is described, in particular, in the document FR 2 849 300 A1.
• the acquisition of the voltage passing through the electric motor 16 via the measuring device 24 makes it possible to obtain a signal representative of the torque generated by the electric motor 16 of the electromechanical actuator 11.
• the memory storing the magnitude T of the electric current flowing through the electric motor 16 is formed by a memory of a microcontroller of the electronic control unit 15, in particular an "EEPROM” type memory (acronym for the English term). Electrically Erasable Programmable Read Only Memory).
• EEPROM Electrically Erasable Programmable Read Only Memory
• the motor drive device 5 is provided to operate at least in one control mode and one configuration mode.
• the selection of the electromechanical actuator 1 1 for the occulting device 3 is implemented by calculating the torque of the electromechanical actuator January 1, in particular by the installer, depending on the size of the occultation device 3 and, in particular, by means of an abacus taking into account the weight of the load bar 8 and the diameter of the winding tube 4.
• An embodiment of a method for configuring the motorized drive device 5 of the home automation system illustrated in FIGS. 1 to 3 will now be described with reference to FIG.
• the graph illustrates, by a solid line curve, the evolution of the voltage value T of the electric current flowing through the electric motor 16, as a function of time t.
• the time t is represented on the abscissa axis
• the voltage value T is represented on the ordinate axis.
• the method of configuring the motorized drive device 5 of the home automation installation comprises a step E30 for automatically determining a low end position of the screen 2.
• the step E30 for automatically determining the low end position of the screen 2 makes it possible to delimit the displacement path of the screen 2 of the concealment device 3, during the descent of the screen 2 .
• the step E30 for automatically determining the low end position of the screen 2 comprises a substep E300 for activating the motorized drive device 5, so as to move the screen 2 to the unrolled position.
• the substep E300 of activation of the motorized drive device 5 is implemented by pressing on a selection element of a control point 12, 14, in particular of the remote control 14.
• control point selection element 12, 14 is the descent selection element of the screen 2.
• step E30 for automatically determining the low end position of the screen 2 comprises a substep E310 for moving the screen 2, in particular until a stop is reached, as defined hereinafter by step E70, then a stop substep E320 of the motorized drive device 5.
• the step E30 for automatically determining the low end position of the screen 2 can also be associated with a step of automatically determining a top end position of the screen 2 .
• the steps of automatic determination of the low and high end positions of the screen 2 can be implemented consecutively, in particular through the same substep of activation of the motorized drive device 5.
• the step E30 for automatically determining the low end position of the screen 2 is preceded by a step E10 of entering the configuration mode of the motorized driving device 5.
• the entry into the configuration mode of the motorized driving device 5 can be implemented by the switching between the control mode and the configuration mode of the motorized drive device 5.
• the electronic control unit 15 of the electromechanical actuator January 1 is configured to switch from a control mode of the motor drive device 5 to a configuration mode of the motorized drive device 5, and vice versa.
• the step E10 of entering the configuration mode of the motorized driving device 5 is implemented by pressing on the programming selection element of a control point 12, 14, in particular of the remote control 14.
• step E10 entering the configuration mode of the motorized drive device 5 is implemented by simultaneously pressing two control point selection elements 12, 14, particular of the remote control 14, such as, for example, the selection elements for raising and lowering the screen 2.
• the method comprises a step E20 of signaling the configuration mode.
• the signaling step E20 is implemented by a displacement of the screen 2 controlled by the motorized drive device 5.
• the displacement of the screen 2 corresponds to a round-trip movement of the screen 2, in particular over a short distance which may be, for example, of the order of one centimeter.
• the signaling step E20 is implemented following the step E10 of entry into the configuration mode of the motorized drive device 5 and before the step E30 of automatic determination of the low end position. of the screen 2.
• the configuration method comprises a step E40 measuring the magnitude T of the electric current flowing through the electric motor 16 by the measuring device 24, as illustrated in FIG. 6.
• the step E40 measuring the magnitude T of the electric current is implemented periodically.
• the step E40 measuring the magnitude T of the electric current is implemented every 20 milliseconds.
• the method comprises a step E50 of storing the values of the quantity T measured according to a predetermined periodicity.
• the step E50 of storing the values of the measured magnitude T is implemented according to the periodicity of the step E40 of measuring the magnitude T of the electric current.
• the values of the measured magnitude T, stored during the step E50, are kept for a predetermined period P of displacement of the screen 2 to the unrolled position, during the substep E310 moving the screen 2 belonging to in step E30 of automatic determination of the low end position of the screen 2.
• the method comprises a step E60 of determining a maximum value Tmax of the measured value T among the values of the measured quantity T, stored during the step E50, during the predetermined period P of moving the screen 2 to the unrolled position.
• the configuration method comprises a step E70 for determining a variation ⁇ of the measured magnitude T.
• the values of the measured magnitude T for determining the variation ⁇ of the measured magnitude T are temporarily stored in a buffer memory of the electronic control unit 15, and in particular of the microcontroller 27.
• the steps E40 for measuring the magnitude T of the electric current and E70 for determining the variation ⁇ of the measured magnitude T are implemented during the course of the step E30 of automatic determination of the low end position of the circuit. screen 2.
• the step E70 for determining the variation ⁇ of the measured magnitude T is implemented between a time t1 preceding the determination of reaching the low end-of-travel position of the screen 2 and a second time t2. determining the achievement of the low end position of the screen 2, as shown in FIG. 6.
• step E70 of determining the variation ⁇ of the measured magnitude T is implemented by means of the electronic control unit 15, and in particular of the measuring device 24 and a microcontroller of the unit electronic control 15.
• step E70 of determining the variation ⁇ of the measured magnitude T is implemented following the execution of the steps E50 for storing the measured quantity T and E60 for determining the maximum value Tmax of the measured quantity T during the predetermined period P.
• the step E70 for determining the variation ⁇ of the measured magnitude T is carried out by determining a difference between the maximum value Tmax of the quantity T measured during the predetermined period P and the last value of the magnitude T measured during the predetermined period P.
• the step E70 of determining the variation ⁇ of the measured magnitude T corresponds to the detection of a deviation of the magnitude T measured by the electronic control unit 15, in particular a difference in the voltage at the terminals. of a phase shift capacitor of the electric motor 16 of the electromechanical actuator 11.
• the variation ⁇ of the measured magnitude T is determined from the implementation of the step E40 of measuring the magnitude T of the electric current at a predetermined periodicity, of the step E50 of storing the values of the measured magnitude T according to the predetermined periodicity and the step E60 of determining the maximum value Tmax of the quantity T measured during the predetermined period P.
• the step E70 for determining the variation ⁇ of the measured magnitude T comprises a substep E700 for comparing the maximum value Tmax of the quantity T measured during the predetermined period P with the last value of the quantity T measured at during the predetermined period P and a substep E710 for calculating the difference between the maximum value Tmax of the quantity T measured during the predetermined period P and the last value of the quantity T measured during the predetermined period P , so as to determine the variation ⁇ of the measured magnitude T.
• the substeps E700, E710 belonging to the step E70 of determining the variation ⁇ of the measured magnitude T are reiterated with each new measurement of the magnitude T of the electric current, in the step E40.
• the substeps E700, E710 belonging to the step E70 for determining the variation ⁇ of the measured magnitude T are implemented up to the stop substep E320 of the motor drive device 5 belonging to the step E30 of automatic determination of the low end position of the screen 2.
• the step E70 of determining the variation ⁇ of the measured magnitude T is implemented by determining a difference between an average value of at least a portion of the values of the measured magnitude T during the predetermined period P and the last value of the magnitude T measured during the predetermined period P.
• the configuration method comprises, following step E70 of determining the variation ⁇ of the measured magnitude T, a step E80 of confirmation of the low end position of the screen 2.
• the step E80 confirming the low end position of the screen 2 is implemented by the user.
• the step E80 confirming the low end position of the screen 2 is implemented by pressing on a selection element of a control point 12, 14, in particular of the remote control 14.
• the step E80 confirming the low end position of the screen 2 is implemented by pressing on the selection element of the control point 12, 14 corresponding to the stop moving the screen 2.
• step E80 confirming the low end position of the screen 2 is implemented by pressing a selection element of a control point 12, 14 for a predetermined period of time.
• the predetermined period of time during which a control point selection element 12, 14 is pressed to confirm the low end position of the screen 2 is of the order of two seconds.
• the step E80 confirming the low end position of the screen 2 is implemented when the determined variation ⁇ of the measured magnitude T, during the step E70, is greater than a threshold value S predetermined.
• the predetermined threshold value S can be in a range extending from 4 Nm to 6 Nm, Nm being the symbol of the unit of measurement of a torque in Newton meter.
• the predetermined threshold value S is dependent on the maximum value of the torque delivered by the electromechanical actuator January 1.
• the substep E320 stopping the motorized training device 5 belonging to the step E30 of automatic determination of the low end position of the screen 2 is implemented.
• step E70 for determining the variation ⁇ of the measured magnitude T is implemented between the substeps E310 for moving the screen 2 and E320 for stopping the motorized drive device 5 belonging to step E30 for automatically determining the low end position of the screen 2.
• the stop substep E320 of the motorized drive device 5 is implemented automatically by the electronic control unit 15 of the electromechanical actuator January 1.
• the method comprises, when the step E80 for confirming the low end position of the screen 2 is implemented, a step of storing the determined variation ⁇ of the measured magnitude T, during the step E70 .
• the determined variation ⁇ of the measured magnitude T is preferably recorded in a memory of a microcontroller of the electronic control unit 15.
• the substeps E300, E310 for activating the motorized driving device 5 and for moving the screen 2 belonging to the step E30 for automatically determining the low end position of the screen 2 are again implemented, so as to determine another variation ⁇ of the measured magnitude T.
• steps E40 to E70 of the configuration method are repeated following the rerun of the substeps E300, E310 activation of the motorized drive device 5 and displacement of the screen 2 belonging to the determination step E30 automatic lower end position of the screen 2.
• the configuration method comprises a step E90 of determining an obstacle detection threshold value S 0 , during the displacement of the screen 2 towards the unrolled position, as a function of the variation ⁇ of the measured magnitude T.
• the method for configuring the motorized drive device 5 of the home automation system for closing or sun protection automatically determines an obstacle detection threshold value S 0 when moving the screen 2 to the position unwound, and to ensure a similar behavior of an electromechanical actuator January 1 for different occultation devices 3 may have a different dimensioning, in particular a diameter of the winding tube
• the method of configuring the motorized drive device 5 of the home automation closing or sun protection system makes it possible to adapt the threshold value S 0 for obstacle detection of the motorized drive device.
• step E90 for determining the detection threshold value S 0 obstacle is implemented by means of the electronic control unit 15, and in particular of a microcontroller of the electronic control unit 15.
• the threshold value S 0 of obstacle detection is smaller than the variation ⁇ of the measured magnitude T and, in particular, corresponds to a percentage of the variation ⁇ of the measured magnitude T.
• the step E90 for determining the obstacle detection threshold value S 0 comprises a calculation sub-step E900 of the obstacle detection threshold value S 0 as a function of a predetermined ratio of the variation ⁇ of the measured magnitude T.
• the step E90 for determining the obstacle detection threshold value S 0 is implemented following the step E80 for confirming the low end position of the screen 2.
• the method for configuring the motorized drive device 5 of the home automation system for closing or sun protection thus makes it possible to automatically set the threshold value S 0 for obstacle detection, as a function of the dimensioning of the concealment device 3 .
• the threshold value S 0 of obstacle detection is calculated automatically, in particular by the electronic control unit 15, as a function of the variation ⁇ of the measured magnitude T.
• the determination of the low end position of the screen 2 is implemented by determining a reduction in the force generated by the mass of the load bar 8 at the level of the electric motor 16 of the actuator electromechanical 1 1, or the passage of a driving load at zero load at the electric motor 16 of the electromechanical actuator 1 1.
• the charge is said to lead to the electric motor 16 of the electromechanical actuator January 1 when moving the screen 2 to the unwound position, since the load bar 8 attached to the second end of the screen 2 exerts a force traction on the electric motor 16.
• the tensile force exerted on the electric motor 16 is due to the weight of the load bar 8 attached to the second end of the screen 2.
• the charge is said to be zero at the level of the electric motor 16 of the electromechanical actuator January 1 when reaching a low end position of the screen 2 or when the load bar 8 fixed at the second end of screen 2 encounters an obstacle.
• the load bar 8 attached to the second end of the screen 2 does not exert any traction force on the electric motor 16, since the load bar 8 is based on the threshold 7 of the opening 1 of the home automation system or on an obstacle.
• the configuration of the motorized drive device 5 implemented by determining a variation of the load at the electric motor 16 of the electromechanical actuator January 1, when determining the low end position of the motor. 2, corresponds to the change of state where the load bar 8 attached to the second end of the screen 2 exerts a traction force on the electric motor 16 to the one where the load bar 8 attached to the second end of the screen 2 exerts a lower tensile force, or even exerts no traction force, on the electric motor 16.
• the determination of the variation ⁇ of the quantity T measured, during the determination step E70, makes it possible to determine an image of the weight of the load bar 8 fixed to the second end of the screen 2, so as to adapt the threshold value S 0 of obstacle detection, when the screen 2 is moved to the unrolled position.
• step E30 of automatic determination of the low end position of the screen 2 the determination of the variation ⁇ of the measured magnitude T is implemented taking into account that no obstacle is disposed between the load bar 8 of the screen 2 and the threshold 7 of the opening 1 of the home automation system.
• Such a configuration method in which the determination of the threshold value S 0 of obstacle detection, during a displacement of the screen 2 to the unrolled position, is implemented in a software way by the electronic unit of control 15 of the electromechanical actuator January 1, minimizes the costs of obtaining the motorized drive device 5.
• FIG. 5 One embodiment will now be described, with reference to FIG. 5, of an operating control method of the motorized drive device 5 of the home automation system illustrated in FIGS. 1 to 3.
• the operating control method of the motorized drive device 5 comprises a step E100 of activation of the motorized drive device 5, so as to move the screen 2 to the unrolled position, a step E1 10 for measuring the magnitude T of the electric current passing through the electric motor 16 by the measuring device 24, a step E120 for determining a variation ⁇ of the measured value T, a step E130 for comparing the variation ⁇ of the quantity T measured with respect to the threshold value S 0 for obstacle detection determined according to the configuration method, and a step E140 for determining the presence or absence of an obstacle by the electronic control unit 15 of the electromechanical actuator January 1, as a function of the result of the comparison step E130.
• the threshold value S 0 of obstacle detection considered for the detection of an obstacle, during a control mode of the motorized drive device 5, is that determined in the step E90 for determining the obstacle.
• a threshold value S 0 of obstacle detection of the configuration method is that determined in the step E90 for determining the obstacle.
• the determination of the variation ⁇ of the quantity T measured during the step E120 of the control method is carried out in a manner similar to the determination of the variation ⁇ of the quantity T measured during the step E70 of the configuration method .
• control method is implemented following the configuration of the motorized drive device 5, so as to determine, following the comparison, in step E130, the determined variation ⁇ of the measured magnitude T, when of the step E120 of the control method, with respect to the determined obstacle detection threshold value S 0 , during the step E90 of the configuration method, the presence or absence of an obstacle by the unit electronic control 15 of the electromechanical actuator 1 1, depending on the result of the comparison.
• the presence of an obstacle is determined when the variation ⁇ of the measured magnitude T is greater than or equal to the threshold value S 0 of obstacle detection determined according to the configuration method.
• the monitoring of the torque generated by the electromechanical actuator 11 through the measurement of the magnitude T, in particular of the voltage, of the electric current flowing through the electric motor 16 by the measuring device 24 makes it possible to guarantee the reliability of determination of the presence or absence of an obstacle.
• measuring devices connected to a measuring chain comprising one or more sensors.
• the electrical through the electric motor 16 determines a sampling frequency according to the desired accuracy of determination of presence or absence of an obstacle.
• This sampling frequency of the magnitude T of the electric current flowing through the electric motor 16 is thus independent of the voltage of the electrical supply network of the electromechanical actuator 11 and, in particular, of its frequency.
• the step E130 for comparing the variation ⁇ of the measured magnitude T with respect to the determined obstacle detection threshold value S 0 is implemented periodically, as long as the result of the presence determination step E140 or absence of an obstacle by the electronic control unit 15 of the electromechanical actuator 1 1 is different from a detected obstacle.
• the electronic control unit 15 detects an obstacle substantially, since the threshold value S 0 of obstacle detection is adapted to the dimensioning of the device. occultation 3, and in particular the weight of the load bar 8 attached to the second end of the screen 2.
• the electronic control unit 15 does not detect a hard point as an obstacle, during the sliding of the screen 2 in the lateral rails 6, since the threshold value S 0 of obstacle detection is adapted to the dimensioning of the occulting device 3, and in particular to the weight of the load bar 8 fixed to the second end of the screen 2.
• the detection of an obstacle by the electronic control unit 15 of the electromechanical actuator January 1, during the displacement of the screen 2 to the unrolled position, is robust and makes it possible to overcome untimely detections, which can occur in this case by the use of a single threshold value of obstacle detection for different occulting devices 3 determined outside the actual operating conditions of the motorized drive device 5 in the home automation system.
• control method makes it possible to guarantee the protection of the motorized drive device 5 as well as the home automation installation, while limiting the untimely stops of movement of the screen 2 towards the unrolled position.
• step E130 for comparing the variation ⁇ of the measured magnitude T with respect to the determined obstacle detection threshold value S 0 is implemented by means of the electronic control unit 15, and in particular a microcontroller of the electronic control unit 15.
• the method of configuring the motorized drive device of the home automation system for closing or sun protection automatically determines an obstacle detection threshold value, when moving the screen to the position. unwound, and to ensure a similar behavior of an electromechanical actuator for different occultation devices that may have a different dimensioning.
• the method of configuring the motorized drive device of the home automation system for closing or sun protection makes it possible to adapt the obstacle detection threshold value of the motorized drive device for each occultation device, following the determination of the low end position.
• a data storage medium readable by a computer, is integrated into the home automation installation and is used for storing a computer program comprising codes for implementing steps E10 to E90 of the configuration method and Steps E100 to E140 of the control method mentioned above.
• the invention also relates to this data recording medium and this computer program.
• the electric motor of the electromechanical actuator can be of the asynchronous type, direct current, or type brushless electronic commutation, also called "BLDC" (acronym for the term BrushLess Direct Current) or synchronous to permanent magnets.
• BLDC asynchronous type, direct current, or type brushless electronic commutation
• the measured magnitude T of the electric current flowing through the electric motor 16 may be different from its voltage. It can, in particular, be its intensity.

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• 2015
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• 2016
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  • 2016-05-03 WO PCT/EP2016/059902 patent/WO2016177736A1/fr active Application Filing
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