EP2551440B1 - Store motorisé - Google Patents

Store motorisé Download PDF

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Publication number
EP2551440B1
EP2551440B1 EP12177309.7A EP12177309A EP2551440B1 EP 2551440 B1 EP2551440 B1 EP 2551440B1 EP 12177309 A EP12177309 A EP 12177309A EP 2551440 B1 EP2551440 B1 EP 2551440B1
Authority
EP
European Patent Office
Prior art keywords
awning
unit according
motorised
type
firmware
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12177309.7A
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German (de)
English (en)
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EP2551440A1 (fr
Inventor
Aldo Casonato
Gabriele Pinton
Carlo Rizzi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pellini SpA
Original Assignee
Pellini SpA
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Publication date
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Publication of EP2551440A1 publication Critical patent/EP2551440A1/fr
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Publication of EP2551440B1 publication Critical patent/EP2551440B1/fr
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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
    • E06B9/24—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
    • 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
    • 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
    • E06B2009/6872—Control using counters to determine shutter position

Definitions

  • the present invention relates to a motorised awning unit.
  • the present invention relates to a motorised awning unit particularly but not exclusively adapted to be inserted in a double glazing.
  • an awning of the above type is driven by an electrical motor, usually of the brush type, associated to a shaft by means of driving members.
  • Such shaft is usually associated to two or more ropes for lifting and lowering the awning between two limit positions, i.e. a so-called upper position, wherein the awning is closed, wound, packed, etc. in relation to the type thereof, to a so-called lower position, wherein the awning is open or stretched.
  • a first known solution comprises a system for stopping the awning with amperometric control.
  • this control system is advantageous for some aspects, however it is not free from drawbacks, among which an excessive sensitivity to temperature variations, which negatively affects the accuracy of the amperometric activation threshold of the same stopping system.
  • Another known solution comprises a stopping system provided with encoder which carries out the counting of the revolutions of the driving shaft that drives the awning. While also this solution is advantageous for some aspects, it may be affected by errors in counting the shaft revolutions that could happen, for example, due to the inertia of the same shaft.
  • Yet another solution comprises an electrical stopping system for example provided with microswitches arranged within the box with contacts closing the awning supply.
  • This last solution is considerably affected by variations in the length of the rope or ropes for driving the awning, and is therefore highly inaccurate.
  • Patent application n. EP 2 256 284 A2 describes a motorized awning unit provided with an electric driving motor associated with an external motion detection sensor suitable to detect the number of rotations of the drive motor, and provided with braking means comprising a rotating magnet, mounted on an external portion of the shaft of the motor, and a stationary magnet, cooperating with said rotating magnet, fixed on the tubular supporting body of the awning unit.
  • WO 2010/076820A1 describes a motorised blind kit comprising an automatic stop system of the blind in the open and closed positions; the kit comprises motorised means for the blind, reed sensors respectively positioned at the open and closed positions of the blind, and a permanent magnet integral with the movement of the blind for the excitation of the reed sensors.
  • the technical task of the present invention therefore is to improve the prior art by setting up a motorised awning unit that allows a reliable drive of the same awning between an upper closed position and a lower open position.
  • an object of the present invention is to provide a motorised awning unit that allows a particularly accurate and reliable automatic stop of the awning in the above upper and lower positions.
  • the awning unit comprises motorised means provided with an electrical gearmotor for driving said awning, and controlled braking means of said gearmotor, adapted to stop the awning in a highly precise and accurate manner in an upper position and/or a lower position, irrespective of any variations in the length of the awning and/or driving ropes.
  • the gearmotor of the awning unit motorised means comprises a brushless electrical motor provided with internal sensors for detecting the parameters of the motion thereof, which are effectively used for controlling and managing the awning motion between the two upper and lower travel end positions.
  • reference numeral 1 globally denotes a motorised awning unit according to the present invention.
  • the awning unit 1 is particularly but not exclusively adapted to be used in a double glazing of the known type, i.e. to be seated within the airtight interspace defined by two glazed surfaces not shown in the figures but known in the field.
  • the awning unit 1 according to the invention comprises a support frame, globally indicated with reference numeral 2.
  • Unit 1 further comprises an awning 3, movable within frame 2, as shown in figure 1 , between an upper gathered position and a lower stretched position. In said figure 1 , the awning is shown in an intermediate position.
  • awning 3 is Venetian type, but the possibility of providing a Roman, roller or pleated awning according to the invention is not excluded.
  • Awning 3 is provided at the bottom with an end bottom 4 which imparts the necessary stiffness and stability to the same awning 3.
  • the awning unit 1 comprises motorised means, globally indicated with reference numeral 5, associated to awning 3 and adapted to make the same awning 3 shift from said upper position to said lower position and vice versa.
  • the motorised means 5 comprise, more in detail, an electrical gearmotor 6 for driving awning 3.
  • the motorised means 5 also comprise controlled braking means, globally indicated with reference numeral 7, of said electrical gearmotor 6, adapted to stop awning 3 in the upper position and/or in the lower position, according to the advantageous operating methods that shall be better described hereinafter.
  • Awning 2 of the awning unit 1 comprises a box 8 that supports awning 3 and frame elements 9, 10, 11 reciprocally coupled to form a closed perimeter.
  • frame 2 comprises an upper frame element 9, a lower frame element 10 and two side frame elements 11.
  • Such frame elements 9, 10, 11 are reciprocally coupled by means of angular elements 12, for example snap-wise, at three of the four corners of frame 2.
  • a seating element 13 for the motorised means 5 is provided which also acts as jointing element between the upper frame element 9 and one of the side frame elements 11.
  • the seating element 13 comprises a vertical portion 14 and a horizontal portion 15, reciprocally connected by means of screws 16.
  • the horizontal portion 15 comprises a saddle 17 for gearmotor 6; the vertical portion 14, on the other hand, comprises a longitudinal groove 18 the function whereof shall appear clearly in the following description.
  • the awning unit 1 comprises a sensor 19 for detecting the passage of awning 3 from the upper position to the lower position and vice versa.
  • the detection sensor 19 is installed in frame 2; more in particular, the detection sensor 19 is installed in the longitudinal groove 18 of the vertical portion 14 of the seating element 13 which is then arranged laterally relative to awning 3, as shown in figure 1 .
  • the detection sensor 19 is interlocked to the controlled braking means 7 of gearmotor 6, as explained hereinafter.
  • the electrical gearmotor 6 comprises a brushless electrical motor 20 provided with inner sensor means for detecting the motion parameters of the rotor.
  • the electrical motor 20 is of the so-called "brushless sensored” type.
  • the electrical gearmotor 6 further comprises a reducer 21, coupled to the brushless electrical motor 20.
  • the motorised means 5 further comprise, in a per se known manner, an axis 22 directly coupled to reducer 21, whereon the ropes of the Venetian awning 3 are wound. If the awning, for example, is of the roller type, it is directly wound onto axis 22.
  • Sensor 19 for detecting the passage of awning 3 from the upper position to the lower position and vice versa is, according to yet another aspect of the present invention, of the reed type.
  • a reed sensor generally consists of two sheets of ferromagnetic material that make an electrical contact, which are hermetically sealed in an atmosphere of inert gas, enclosed in a glass bulb.
  • the two sheets where subject to a magnetic field, attract or vice versa, reject each other closing or opening the electrical contact.
  • the end bottom 4 of awning 3 is provided with a permanent magnet 23 at an end.
  • the permanent magnet 23 of bottom 4 is adapted to interact with the reed detection sensor 19 since, as said, it generates a magnetic field that opens or closes the electrical contact consisting of the sheets of the same sensor.
  • the permanent magnet 23 of bottom 4 is mounted in a closing cap 24 of the same bottom 4, i.e. so as to move, in opening or closing of awning 3, in the immediate vicinity of the detection sensor 19, so as to magnetically interact with the latter.
  • the motorised means 5 comprise an electronic board 25 for managing the operation of gearmotor 6.
  • the electronic board 25 is mounted on the seating element 13, in particular by means of a support 26 fixed by screws 27 to the horizontal portion 15.
  • the electronic board 25 is operatively connected to means for controlling the operation of the awning unit 3, for example buttons, switches and the like, not shown in the figures.
  • the brushless electrical motor 20 is of the "slotless" type, known in the field of this type of motors.
  • the motor is "slotless", as known, it does not exhibit “cogging” or "detent” phenomena - i.e. the occurrence of preferred rotor balance positions-especially at low rotation speeds.
  • said controlled braking means 7 are provided for stopping awning 3 with accuracy in the upper and lower positions thereof, as shall appear more clearly hereinafter.
  • controlled braking means 7 comprise a pair of permanent magnets 28 mounted, diametrically opposite, into respective holes 29 provided in the stator of the electrical motor 20, as shown in figure 3 .
  • such permanent magnets 28 allow the rotor of the "slotless" electrical motor 20 to be braked for arranging awning 3 in the upper or lower positions.
  • the brushless electrical motor 20 comprises a magnetic or optical encoder, not shown in the figures but known in the field, which mainly allows counting the number of revolutions of the rotor in predetermined conditions, as described hereinafter.
  • the detection sensor 19 of the passage of awning 3 - of the reed type - advantageously constitutes an absolute zero position of the awning unit 1.
  • the passage of the permanent magnet 23 of bottom 4 in the proximity of the detection sensor 19 causes a counting reset of the travel of awning 3 from the upper position to the lower one or vice versa.
  • the electronic board 25 can carry out, through the encoder of the electrical motor 20, the counting of the number of revolutions of the rotor of the same motor 20 and consequently it can have an exact indication of the position, instant by instant, of bottom 4 of awning 3.
  • the electronic board 25 always receives, instant by instant, accurate information about the actual position of bottom 4 of awning 3 relative to the upper and lower travel end positions, whereat the same awning 3 must stop.
  • the electronic board 25 for controlling the electrical motor 20 is suitably provided with firmware, even updateable from the outside.
  • firmware of the electronic board 25, schematically shown in figure 4 wherein it is globally indicated with reference numeral 30, may consist of a set of modules.
  • firmware 30 of the electronic board 25, in the embodiment of figure 4 comprises an adaptive model 31 of the motor/gearmotor/awning system for the dynamic calculation of the parameters of the "feedforward" speed control, with differentiated management of the various movement regions in the different conditions; in operation, the model acquires the system behaviour.
  • Firmware 30 further comprises a reference speed and position profile generator 32 with acceleration and deceleration ramps.
  • a control profile generator 33 is also provided, using the model parameters.
  • control profile generator 32 and the control profile generator 33 are both functionally interlocked to a control signal 34, which may be generated by the user or may be generated automatically.
  • the control profile generator 33 is further interlocked to the adaptive model 31, wherefrom it receives the "feedforward" parameters in input.
  • Firmware 30 also comprises a control module 35 of the closed ring "PI" type - proportional and integral - for speed, and control type "P" - proportional - for position.
  • the control module 35 receives an input control signal 36 generated by the comparison between the signals coming from the control profile generator 33 and those coming from the reference profile generator 32.
  • control module 35 In output, the control module 35 generates an output driving signal 37 that directly acts on the electrical motor 20, wherefrom return signals 38 come in turn which are sent to the control module 35 and to the adaptive model 31.
  • firmware 30 is only given by way of an example.
  • firmware 30 may be used having a different structure and a different operating logic, without any limitations to the purposes of the present invention.
  • the control firmware 30 may be replaced from the outside through a bootloader procedure - a program that loads the kernel of an operating system and allows the start up thereof - on a single data transmission wire.
  • the electronic board 25 that controls the operation of the electrical motor 20, through its firmware 30, is also capable of emulating the drive of awning 3 as if it were piloted through a common brush motor, i.e. with speed control based on the power supply voltage - for example with a minimum value of 7 V and a maximum value of 24 V - and with a direction of rotation depending on the polarity.
  • the electronic board 25 may also export the signal generated by the encoder on a third wire, so as to carry out the speed control remotely.
  • Said emulation mode of a common brush motor allows all the control units already available on the market, designed to operate with common brush motors, to be used. As known, some of these control units are set up to use, on said third wire, the encodometric signal for remote speed control, while others are not provided with such setup.
  • control firmware 30 is set up for detecting any lock situations of bottom 4 of awning 3, for example due to the bending of the glasses.
  • This detection is possible both in the lifting step, through an amperometric control of the absorbed current, and in the lowering step. In this latter case, a punctual comparison of the operating parameters acquired before - i.e. in normal conditions - with the current ones is carried out.
  • firmware 30 detects a lock situation of bottom 4 both in lifting and in lowering, with the control modes described above, awning 3 is immediately stopped.
  • the invention thus conceived allows obtaining important technical advantages.
  • the awning unit 1 according to the invention in particular thanks to the presence of controlled braking means 7 of the type described above, allows awning 3 to be stopped in its upper and lower travel and positions in a particularly accurate manner in terms of accuracy and repeatability.
  • controlled braking means 7 of the type described above, allows awning 3 to be stopped in its upper and lower travel and positions in a particularly accurate manner in terms of accuracy and repeatability.
  • the permanent magnets 28 provided in the stator of the electrical motor 20 no phenomena of losing the counts of the travel of bottom 4 occur.
  • any variations in the length of the rope or ropes controlling awning 3 have no impact on the accuracy and repeatability of the stop of awning 1. More in detail, it is noted that any shortening of such rope or ropes, which is one of the most frequent and unpleasant phenomena in this type of awnings, has no impacts.
  • a further advantage of the present invention also lies in the possibility of having an awning unit 1 that, while motorised and provided with a reed detection sensor 19, is particularly easy to mount and lay.
  • the detection sensor 19 is electrically connected to the motorised means 5 using the mechanical connections of frame 2, and thus without the use of electrical cables. Thanks to this, a considerable saving is obtained in terms of assembly time, also eliminating the possibility of inadvertently making incorrect electrical wirings.
  • a reed detection sensor 19 is particularly advantageous since such sensor is particularly resistant to wear, also because it is protected from the atmospheric agents such as for example dust and humidity.
  • such type of sensor is characterised in that it has a very long operating life and longer than that normally required of an awning.
  • the reed detection sensor 19 is hidden to sight and protected.
  • the reed sensor 19 does not require electrical power supply and therefore, it is not affected by long stops nor it weights on the energy economy of the electronic board 25 controlling the electrical motor 20.
  • the braking torque generated by the permanent magnets 28 of the stator of the electrical motor 20 provides, with stopped awning 3, also a useful stationary brake effect which prevents bottom 4 from accidentally moving if stressed, for example by external vibrations - for example due to the opening or closing of the windows or French windows wherein the awning unit 1 is mounted, small earthquakes, etc. - or simply stressed by its own weight, in particular in the highest position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Stopping Of Electric Motors (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Air Bags (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Claims (14)

  1. Unité de store motorisée comprenant un châssis de support (2), un store (3) mobile à l'intérieur dudit châssis (2) entre une position recueillie supérieure et une position étirée inférieure, des moyens motorisés (5) associés audit store (3), lesdits moyens motorisés (5) comprenant un motoréducteur électrique (6) pour actionner ledit store (3), et des moyens de freinage contrôlé (7) dudit motoréducteur (6), adaptés pour arrêter ledit store (3) dans ladite position supérieure et/ou dans ladite position inférieure, caractérisé en ce que ledit motoréducteur électrique (6) comprend un moteur électrique sans balais (20) équipé de moyens de capteurs internes, du type appelé « à capteur sans balai », pour détecter des paramètres de mouvement du rotor dudit moteur électrique (20).
  2. Unité de store selon la revendication 1, comprenant au moins un capteur (19) pour détecter le passage dudit store (3) de ladite position supérieure à ladite position inférieure et inversement, installé dans ledit châssis (2), auquel lesdits moyens de freinage contrôlé (7) dudit motoréducteur (6) sont asservis.
  3. Unité de store selon la revendication 2, dans laquelle ledit capteur de détection (19) est du type Reed.
  4. Unité de store selon la revendication 2, dans laquelle ledit capteur de détection (19) est installé dans un élément de logement (13) desdits moyens motorisés (5), ayant une portion verticale (14) agencée latéralement par rapport audit store (3).
  5. Unité de store selon la revendication 3, dans laquelle ledit store (3) comprend une partie arrière d'extrémité (4) équipée d'un aimant permanent (23) à une extrémité, adapté pour interagir avec ledit capteur de détection (19) du type Reed.
  6. Unité de store selon la revendication 1, dans laquelle ledit moteur électrique sans balais (20) est du type « à encoches ».
  7. Unité de store selon la revendication 1, dans laquelle ledit moteur électrique sans balais (20) est du type « sans encoches ».
  8. Unité de store selon la revendication 7, dans laquelle lesdits moyens de freinage contrôlé (7) comprennent une paire d'aimants permanents et/ou d'électroaimants (28) montés diamétralement opposés dans des trous respectifs (29) ménagés dans le stator dudit moteur électrique (20).
  9. Unité de store selon la revendication 1, dans laquelle lesdits moyens de capteur dudit moteur électrique sans balais (20) comprennent un encodeur magnétique ou optique.
  10. Unité de store selon la revendication 1, comprenant une carte de commande électronique (25) munie d'un microprogramme (30) comprenant un modèle adaptif (31) du système moteur/réducteur/store pour le calcul dynamique des paramètres de commande de vitesse « à action directe », avec gestion différentielle des différentes régions de mouvement dans les différentes conditions.
  11. Unité de store selon la revendication 10, dans laquelle ledit microprogramme (30) comprend un module de commande (35) pour la vitesse du type « PI »-proportionnel et intégral - en boucle fermée, et un module de commande de la position du type « P » - proportionnel.
  12. Unité de store selon la revendication 10, dans laquelle ledit microprogramme de commande (30) peut être remplacé de l'extérieur par le biais d'une procédure de chargeur d'amorçage sur un unique câble de transmission de données.
  13. Unité de store selon la revendication 10, dans laquelle ledit microprogramme (30) de ladite carte électronique (25) est adapté pour l'émulation de l'actionnement dudit store (3) comme s'il était commandé par le biais d'un moteur à balais courant, c'est-à-dire avec commande de vitesse en fonction de la tension d'alimentation.
  14. Unité de store selon la revendication 10, dans laquelle ledit microprogramme (30) de ladite carte électronique (25) est adapté pour détecter d'éventuelles situations bloquées dudit store (3) se déplaçant vers le haut et/ou vers le bas, et pour arrêter immédiatement l'actionnement dudit store (3) dans lesdites situations bloquées.
EP12177309.7A 2011-07-25 2012-07-20 Store motorisé Active EP2551440B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000439A ITBO20110439A1 (it) 2011-07-25 2011-07-25 Gruppo tenda motorizzato

Publications (2)

Publication Number Publication Date
EP2551440A1 EP2551440A1 (fr) 2013-01-30
EP2551440B1 true EP2551440B1 (fr) 2016-04-20

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Application Number Title Priority Date Filing Date
EP12177309.7A Active EP2551440B1 (fr) 2011-07-25 2012-07-20 Store motorisé

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EP (1) EP2551440B1 (fr)
DK (1) DK2551440T3 (fr)
IT (1) ITBO20110439A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013000397A1 (de) 2013-01-11 2014-07-17 ScreenTronic GmbH Jalousiesystem
IT201800009369A1 (it) * 2018-10-11 2020-04-11 Pellini Spa Vetrocamera perfezionata

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7466090B2 (en) * 2004-08-30 2008-12-16 Hunter Douglas Inc. Apparatus, software and method for controlling the operation of a window covering
WO2010076820A1 (fr) * 2008-12-30 2010-07-08 Pellini S.P.A. Kit motorisé pour volet
JP5264617B2 (ja) * 2009-05-21 2013-08-14 伊東電機株式会社 巻き取り用駆動装置、並びに、巻き取り装置

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ITBO20110439A1 (it) 2013-01-26
EP2551440A1 (fr) 2013-01-30
DK2551440T3 (en) 2016-06-13

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