EP1961910A1 - Radio control device, electric actuator and home automation installation including such a device - Google Patents

Radio control device, electric actuator and home automation installation including such a device Download PDF

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Publication number
EP1961910A1
EP1961910A1 EP08356028A EP08356028A EP1961910A1 EP 1961910 A1 EP1961910 A1 EP 1961910A1 EP 08356028 A EP08356028 A EP 08356028A EP 08356028 A EP08356028 A EP 08356028A EP 1961910 A1 EP1961910 A1 EP 1961910A1
Authority
EP
European Patent Office
Prior art keywords
antenna
printed circuit
support
housing
conductor
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.)
Granted
Application number
EP08356028A
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German (de)
French (fr)
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EP1961910B1 (en
Inventor
Claude Ares
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.)
Somfy Activites SA
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Somfy SA
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Filing date
Publication date
Application filed by Somfy SA filed Critical Somfy SA
Publication of EP1961910A1 publication Critical patent/EP1961910A1/en
Application granted granted Critical
Publication of EP1961910B1 publication Critical patent/EP1961910B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/007—Details of, or arrangements associated with, antennas specially adapted for indoor communication
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect

Definitions

  • the present invention relates to a radio control device of a drive motor of a mobile screen used in a home automation system, such as a shutter or blind.
  • the invention also relates to an electric actuator, for the operation of a closure screen, sun protection or projection, comprising such a device and a home automation system comprising such a device.
  • FR-A-2,825,498 discloses a radio frequency controlled device comprising an electromagnetically coupled antenna, with galvanic isolation, to at least one conductor.
  • the driver's insulation is used and the antenna is positioned closer to the driver. It is proposed to pass the conductors and the antenna strand in the same insulating sheath, possibly heat shrinkable. This operation is not simple to produce industrially.
  • the conductors and the antenna which may be rigid, are connected to the radiofrequency printed circuit and must pass in the same sheath. If a simple sheath is used, the coupling is not optimum and gives a little flexibility to the assembly which nevertheless requires the insertion operation in the sheath.
  • the coupling is improved but requires an additional operation of heating the sheath and positioning the conductors and the antenna to easily connect them to the printed circuit.
  • the coupling is operated directly on the printed circuit.
  • a conductor comprises a portion made by a printed circuit track extending parallel to another track forming the antenna. The galvanic isolation is then obtained by the distance between the two tracks. This solution occupies a not insignificant location on the circuit printed, which limits the possibilities of adding electronic functionalities for the same size of circuit board.
  • the invention intends to remedy more particularly by proposing a new radio control device which makes it possible to ensure good electromagnetic coupling, with galvanic isolation, between an antenna and at least one conductor.
  • a printed circuit is in the form of a plate, thin, on which are implanted electronic components.
  • a "face" of the printed circuit in the sense of the present invention, designates the upper face, face where the components are arranged, or the lower face of the plate and not its four edges which have for width the thickness of the plate.
  • the antenna is positioned between the lower face of the circuit and the conductor to which it is coupled.
  • the arrangement of the antenna inside the housing allows a good electromagnetic coupling with the associated conductor, the antenna can be aligned with this conductor, while a galvanic isolation is provided between these two elements.
  • the antenna and the conductor By separating the antenna and the conductor from the circuit board, it is not occupied with a location on the circuit board for the radio transmission function.
  • the printed circuit can therefore be optimized as to its dimensions.
  • a monopole antenna is particularly suitable for this type of device because it limits the size of the device.
  • the antenna and / or the conductor may be materialized by tracks at their coupling zone.
  • track is meant a metal strip of a length at least equal to the distance over which the antenna and the conductor are coupled, that is to say, preferably, close to a quarter of the wavelength corresponding to the frequency desired radio.
  • the width of this metal blade is at least five times greater than its thickness. In the case where the antenna and the conductor are formed by tracks at their coupling zone, it is preferable that the width of these tracks is substantially the same, in order to ensure good electromagnetic coupling.
  • the improvement of the coupling can also be obtained by means of bringing together to press the antenna towards the conductor so as to optimize the distance between these two parts, the minimum distance being the thickness of an insulating layer.
  • these means of bringing together comprise at least one resilient member bearing against one face of the printed circuit and capable of exerting on a support, which carries the antenna, a force directed towards the conductor coupled to this antenna, which makes it possible to make the effort of ruzement closer to the antenna.
  • the positioning means may be an independent antenna support in which the antenna is housed. This subset being independent, it is then simple to change the antenna length of the device and to adapt to the desired radio frequency. For example, for a frequency of 433 MHz, an antenna length corresponding to a quarter of the wavelength, namely, 17 cm, will be used. For a frequency of 868 MHz, the antenna will measure 8 cm.
  • a specific antenna support can be adapted to each antenna length or allow the housing of antennas of different lengths.
  • the antenna support may be positioned relative to the housing supporting the printed circuit and the conductor or relative to a housing in two parts.
  • the first part is housed the printed circuit, while the second part supports the coupled conductor.
  • the antenna support is guided either with respect to the first part, thus positioned relative to the printed circuit, or with respect to the second part, and, in this case, positioned relative to the coupled conductor.
  • the antenna support can be connected, in particular, to the printed circuit before assembly in the device.
  • the positioning of the antenna and the driver is direct, the coupling can only be better.
  • the antenna support can be movable in the housing in a direction parallel to the length of the antenna.
  • One end of the antenna comprises a pin for passing through the printed circuit at a hole provided for this purpose.
  • the pin which allows to electrically connect the antenna to the printed circuit, is then soldered to the printed circuit. It is therefore necessary that the pin is well positioned relative to the hole of the printed circuit at the time of assembly so as not to damage it. This alignment is ensured by the housing which positions the circuit board and the antenna support.
  • the degree of freedom of the antenna support described above makes it possible to absorb the dimensional tolerances of the parts which tend to misalign the axis of the pin with respect to the axis of the hole.
  • the width of the support, taken perpendicular to the length of the antenna is slightly less than the distance between two edges of a location in the housing for receiving this support.
  • the mobility of the antenna support in the direction parallel to the length of the antenna also provides flexibility on the location of the components on the printed circuit.
  • the passage hole of the picot can thus be moved on the printed circuit, without having to redesign the device. If the hole is moved in a direction parallel to the length of the antenna, it is only necessary to move the antenna support during assembly. If it is moved in a different direction, the location of the antenna pin should be changed from the antenna support, which may be more complex.
  • the invention also relates to an electric actuator for maneuvering a closure, sun protection or projection screen, this actuator comprising a drive motor of a screen displacement member, as well as a control device. radio control as mentioned above.
  • Such an actuator is more reliable and more efficient than those of the state of the art as regards the transmission of radio signals to or from the printed circuit.
  • the invention relates to a home automation system, for example a closure or sun protection system or a video screen operation installation, which comprises at least one electric motor and a control device as mentioned above.
  • the figure 1 represents a tubular actuator 100 for driving a winding tube 1 on which can be more or less wound an apron 2 for closing an opening O.
  • the tube 1 is driven by the actuator 100 rotating about an axis of revolution XX which is disposed horizontally in the upper part of the opening.
  • the opening O is, for example, an opening in the walls of a building.
  • the actuator 100, the tube 1 and the apron 2 then form a motorized roller shutter.
  • the actuator 100 comprises a cylindrical tube 101 in which is mounted a geared motor 102 comprising a motor, a brake and a gear and equipped with an output shaft 103 which projects at one end 101A of the tube 101 and drives a wheel-crown 3 integral in rotation of the tube 1.
  • the winding tube 1 rotates about the X-X axis and the fixed tube 101 through two pivot links.
  • a crown-bearing 4 mounted on the outer periphery of the tube 101 provides the first pivot connection.
  • the second pivot connection is at the other end of the tube 1 and is not shown.
  • the actuator 100 also comprises a fastener 104 projecting from the end of the tube opposite to the output shaft and making it possible to fix the actuator 100 on a frame 5.
  • This fastener 104 is, in addition, intended to close the tube 101 and to support a radio control device 200, housed inside the tube 101.
  • a mains power cable 105 comprising three conductors, passes through the fastener 104 and connects to the device 200 by the connection of a connector 106, mounted at the end of the cable 105, on a connector 132, integral with a housing 150 belonging to the device 200.
  • a second connector 162 At the other end of the housing 150 is a second connector 162 on which is connected another end connector 107 of a power supply cable 108 of the geared motor 102.
  • the housing 150 constitutes an envelope that protects mechanically and electrically the parts it contains. This casing is put in place in the tube 101 during the assembly of the actuator 100. If the actuator is not of the tubular type, the casing 150 can be installed in another part of the installation, while also protecting the parts it contains.
  • the radio control device 200 is able to receive a signal S 1 carried by radio waves.
  • This signal S 1 represented by a wavy arrow at figure 1 , comes from a portable transmitter 50 equipped with an antenna 51. It conveys operating commands of the geared motor 102. These orders are then interpreted by the device 200 to supply or not the geared motor 102 by means of the cable 108, with a polarity depending on the desired direction of rotation for the tube 1.
  • the device 200 can also transmit, to the transmitter 50 or a control unit and always by radio waves, a signal S 2 containing information relating to the operation of the geared motor 102.
  • the device 200 comprises a monopole antenna 110 connected to a printed circuit 140 and electromagnetically coupled to one of the three 130A, 130B and 130C supply conductors that extend into the housing 150 between the connectors 132 and 162.
  • the antenna 110 is coupled to the conductor 130B, with galvanic isolation.
  • the antenna 110 and the conductor 130B work together, electromagnetically, as an antenna, while they are electrically isolated from each other.
  • the radio signals transmitted or received by the antenna 110 are transmitted partly by direct air and partly by coupling with the conductor 130B.
  • the signal S 1 is processed by the electronic circuit board 140.
  • the geared motor 102 is then powered according to the desired order.
  • the antenna 110 integral with the antenna support 120, can be installed in the housing 150 while being close to the conductor 130B to ensure good electromagnetic coupling between these elements.
  • the pins 111, 131A, 131B, 131C, 161A, 161B and 161C connect correctly to the printed circuit 140 using the same reference frame that is the housing 150.
  • the geared motor 102 rotates the shaft 103 which in turn rotates the tube 1 via the wheel-crown 3.
  • the rotation of the shaft 103 causes the opening and, alternately, the closing of the opening O.
  • the figures 2 , 3 , 4 and 5 show in more detail the structure of the control device 200.
  • the three conductors of the power cable namely two phases and a neutral, connect to tracks forming the conductors 130A, 130B and 130C and are housed in the housing 150.
  • These tracks are metal blades whose width is at less than five times larger than their thickness. The length of these tracks is dimensioned so that they correspond to at least a quarter of the wavelength of the desired frequency.
  • These tracks 130A, 130B and 130C are connected, via the pins 131A, 131B and 131C, to the printed circuit 140. The printed circuit 140 is thus powered by the mains.
  • the circuit 140 supplies the pins 160A, 160B or 160C of the output conductor 162 corresponding to the power supply that it is desired to supply to the geared motor 102.
  • the phase and the neutral are thus connected to the terminals.
  • the connection to the terminals of the other winding is carried out if it is desired to rotate in the opposite direction.
  • the track 130B can be connected to the card 160B via the printed circuit 140 and the pins 131B and 161B. If another order is transmitted, this track 130B may for example be connected to the pin 160A via the pin 131A.
  • the track 130A may be connected to the pin 160A by disconnecting the track 130B.
  • an intermediate sheet of insulation material 170 for example, a sheet of "Mylar” (registered trademark), is arranged between these tracks. and this antenna.
  • the antenna 110 is mounted in the support 120 which is in the form of a double cross with six ends.
  • the antenna 110 is formed by a track whose section is substantially equivalent to that of the track 130B with which it is coupled. Its length corresponds to a quarter of the wavelength of the frequency used for the radio communication by the device 200. Almost all of this length extends along the antenna support 120.
  • the antenna 110 is received in a housing 124 extending on a central bar 127 connecting the two crosses and on two branches 125 and 126 extending the center bar.
  • the antenna 110 is slightly recessed with respect to the lower face 120A of the antenna support 120. At one end, the antenna 110 passes through the antenna support 120 and ends with the pin 111. At the other end , the antenna 110 is folded to be inserted into a housing 120B of the antenna support 120 for the purpose of keeping the antenna 110 taut and recessed in the antenna support 120.
  • the antenna support 120 is supported, in a direction D 1 , on the insulating spacer 170 and guided in the casing 150. It can move in a substantially parallel direction D 2 to the length of the antenna. In a direction D 3 perpendicular to the two preceding, the antenna support 120 is intended to bear on two faces 152 and 153 of the housing 150. Indeed, the width L 120 of the antenna support 120 is limited, one side by the end faces 122 of two of its transverse branches, and, on the other side, by the end faces 123 of the other transverse branches. These faces 122 and 123 correspond to opposite ends of the double cross.
  • the antenna support 120 When mounted in the housing 150, the antenna support 120 is housed in a location 154 of width L 154 equal to the distance between the faces 152 and 153.
  • the width L 120 of the support 120 is slightly smaller than the width L 154 , the antenna support can practically not move in the direction D 3 .
  • the faces 122 abut against the face 152 and the faces 123 abut against the face 153.
  • the antenna is centered with respect to the antenna support, ie, centered with respect to the width L 120 .
  • the track 130B, coupled to the antenna 110 is centered with respect to the width L 154 .
  • the antenna 110 and the track 130 are exactly centered with respect to the widths defined above. It is sufficient that these two elements are positioned relative to the faces 122, 123, 152 and 153 so that they are located one above the other after assembly.
  • the printed circuit 140 After placing the support 120 in the location 154, the printed circuit 140 covers the conductive tracks 130A, 130B and 130C and the antenna support 120. It is positioned in the housing by means of centering means, for example , a centering pin 151. Once the printed circuit disposed in the housing 150, the pins of the conductive tracks 131A, 131B, 131C, 161A, 161B, 161C and the pin of the antenna 111 are soldered to the card 143 of this circuit, as illustrated in figure 5 by the welding 145 of the pin 111 passing through a hole 144 of the card 143. The mobility of the antenna support 120 in the direction D 2 makes it possible to adjust the position of the pin 111 to align it with the axis of the hole 144, to facilitate assembly and welding.
  • centering means for example , a centering pin 151.
  • a solution that optimizes this distance consists in providing the antenna support 120 with elastic support means 121 on the printed circuit board 140. Three elastic tabs 121 are distributed along the antenna support 120, above the antenna 110. on the upper face 120C of the antenna support 120. These tabs 121 press on the lower face 146 of the card 143 of the printed circuit 140 and generate a force F tending to push the antenna support 120 against the insulating spacer layer 170 and therefore to track 130B. Since the antenna 110 is slightly set back from the lower face 120A of the antenna support 120, it then approaches the track 130B. The coupling is thus improved.
  • the antenna 110 is thus positioned and held in place between the face 146 of the circuit 140 and the conductor 130B, under optimized magnetic coupling conditions.
  • a cover 155 of the housing 150 can be folded over the circuit 140, which closes the housing 150.
  • the constituent elements of the device 200 are thus protected from the external environment, in particular dirt and shocks.
  • the invention makes it possible to very easily adapt the device 200 to the wavelength of the signals S 1 and S 2 , this by a simple adaptation of the length of the elements 110 and 120, which can be provided by several sizes, and the electronic module.
  • the support 120 may be sized to accommodate different antenna sizes.
  • the control device 200 may also contain a not shown mechanism for counting the number of revolutions made by the winding tube 1 during a maneuver.
  • the housing 150 may be in several parts, positioned and assembled relative to each other.
  • the housing may also be formed by a portion of the fastener 104.
  • the invention has been shown with an antenna 110 and leads 130A, 130B, 130C formed by metal tracks.
  • these elements may be formed by conducting wires.
  • the mains power cable 105 comprises three conductors.
  • this cable may comprise only two conductors when the geared motor 102 is supplied with single-phase current.
  • the two conductors are connected to two tracks 130A, 130B or 130C. These two tracks are connected to the circuit 140.
  • the electronic module then connects the conductive tracks with the pins 160A, 160B and 160C depending on the order received.
  • the invention has been described in the case of its use for the operation of a roller shutter. It is also applicable to the operation of a blind and, more generally, any screen closure, sunscreen or projection.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Details Of Aerials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The device has a printed circuit board for controlling a geared motor. Conductors supply power for the motor and printed circuit board. An aerial (110) e.g. monopole aerial, is connected to the printed circuit board and electromagnetically coupled to the conductor (130B) with galvanic insulation. The printed circuit board, aerial and conductors are housed in a box (150). An aerial support (120) positions the aerial, in the box, between a surface (146) of the board and the conductor (130B). A sheet made of insulating material is interleaved between the conductors and the aerial.

Description

La présente invention concerne un dispositif de commande radio d'un moteur d'entraînement d'un écran mobile utilisé dans une installation domotique, telle qu'un volet roulant ou un store. L'invention concerne également un actionneur électrique, pour la manoeuvre d'un écran de fermeture, de protection solaire ou de projection, comprenant un tel dispositif ainsi qu'une installation domotique comprenant un tel dispositif.The present invention relates to a radio control device of a drive motor of a mobile screen used in a home automation system, such as a shutter or blind. The invention also relates to an electric actuator, for the operation of a closure screen, sun protection or projection, comprising such a device and a home automation system comprising such a device.

Dans le domaine de l'habitat ou du bâtiment en général, il est de plus en plus courant de commander à distance des actionneurs alimentés électriquement par un réseau basse tension ou le secteur. Un des moyens le plus approprié est l'usage de la transmission radio.In the field of housing or building in general, it is increasingly common to remotely control actuators powered electrically by a low-voltage network or the sector. One of the most appropriate means is the use of the radio transmission.

FR-A-2 825 498 décrit un dispositif commandé par radiofréquence comprenant une antenne couplée électromagnétiquement, avec isolation galvanique, à au moins un conducteur. Pour assurer ce couplage électromagnétique avec isolation galvanique, on utilise l'isolant du conducteur et on positionne l'antenne au plus près du conducteur. Il est proposé de faire passer les conducteurs et le brin d'antenne dans une même gaine isolante, éventuellement thermorétractable. Cette opération n'est pas simple à réaliser industriellement. Les conducteurs et l'antenne, qui peuvent être rigides, sont reliés au circuit imprimé radiofréquence et doivent passer dans la même gaine. Si une simple gaine est utilisée, le couplage n'est pas optimum et donne un peu de souplesse au montage qui nécessite néanmoins l'opération d'insertion dans la gaine. Dans le cas où la gaine est themorétractable, le couplage est amélioré mais nécessite une opération supplémentaire de chauffage de la gaine et un positionnement des conducteurs et de l'antenne pour pouvoir facilement les connecter au circuit imprimé. En variante, le couplage est opéré directement sur le circuit imprimé. Un conducteur comporte une portion réalisée par une piste de circuit imprimé s'étendant parallèlement à une autre piste formant l'antenne. L'isolation galvanique est alors obtenue par la distance entre les deux pistes. Cette solution occupe un emplacement non négligeable sur le circuit imprimé, ce qui limite les possibilités d'ajout de fonctionnalités électroniques pour une même dimension de circuit imprimé. FR-A-2,825,498 discloses a radio frequency controlled device comprising an electromagnetically coupled antenna, with galvanic isolation, to at least one conductor. To ensure this electromagnetic coupling with galvanic isolation, the driver's insulation is used and the antenna is positioned closer to the driver. It is proposed to pass the conductors and the antenna strand in the same insulating sheath, possibly heat shrinkable. This operation is not simple to produce industrially. The conductors and the antenna, which may be rigid, are connected to the radiofrequency printed circuit and must pass in the same sheath. If a simple sheath is used, the coupling is not optimum and gives a little flexibility to the assembly which nevertheless requires the insertion operation in the sheath. In the case where the sheath is thermoreversible, the coupling is improved but requires an additional operation of heating the sheath and positioning the conductors and the antenna to easily connect them to the printed circuit. Alternatively, the coupling is operated directly on the printed circuit. A conductor comprises a portion made by a printed circuit track extending parallel to another track forming the antenna. The galvanic isolation is then obtained by the distance between the two tracks. This solution occupies a not insignificant location on the circuit printed, which limits the possibilities of adding electronic functionalities for the same size of circuit board.

C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un nouveau dispositif de commande radio qui permet d'assurer un bon couplage électromagnétique, avec isolation galvanique, entre une antenne et au moins un conducteur.It is these drawbacks that the invention intends to remedy more particularly by proposing a new radio control device which makes it possible to ensure good electromagnetic coupling, with galvanic isolation, between an antenna and at least one conductor.

A cet effet, l'invention concerne un dispositif de commande radio d'un moteur d'entraînement d'un écran mobile, ce dispositif comprenant un circuit imprimé de commande du moteur, des conducteurs d'alimentation électrique du moteur et du circuit imprimé, ainsi qu'une antenne reliée au circuit imprimé et couplée électromagnétiquement, avec isolation galvanique, à au moins un des conducteurs. Ce dispositif est caractérisé en ce qu'il comprend également :

  • un boîtier dans lequel sont logés le circuit imprimé, l'antenne et les conducteurs, et
  • des moyens de positionnement de l'antenne dans ce boîtier, entre une face du circuit imprimé et le conducteur auquel est couplée cette antenne.
To this end, the invention relates to a radio control device for a drive motor of a mobile screen, this device comprising a control circuit of the motor, power supply conductors of the motor and the printed circuit, and an antenna connected to the printed circuit and electromagnetically coupled, with galvanic isolation, to at least one of the conductors. This device is characterized in that it also comprises:
  • a housing in which are housed the printed circuit, the antenna and the conductors, and
  • means for positioning the antenna in this housing, between a face of the printed circuit and the conductor which is coupled to this antenna.

Un circuit imprimé se présente sous la forme d'une plaque, de faible épaisseur, sur laquelle sont implantés des composants électroniques. Une « face » du circuit imprimé, au sens de la présente invention, désigne la face supérieure, face où sont disposés les composants, ou la face inférieure de la plaque et non ses quatre bords qui ont pour largeur l'épaisseur de la plaque. Préférentiellement, l'antenne est positionnée entre la face inférieure du circuit et le conducteur auquel elle est couplée.A printed circuit is in the form of a plate, thin, on which are implanted electronic components. A "face" of the printed circuit, in the sense of the present invention, designates the upper face, face where the components are arranged, or the lower face of the plate and not its four edges which have for width the thickness of the plate. Preferably, the antenna is positioned between the lower face of the circuit and the conductor to which it is coupled.

La disposition de l'antenne à l'intérieur du boîtier permet un bon couplage électromagnétique avec le conducteur associé, l'antenne pouvant être alignée avec ce conducteur, alors qu'une isolation galvanique est prévue entre ces deux éléments. En dissociant l'antenne et le conducteur du circuit imprimé, il n'est pas occupé d'emplacement sur le circuit imprimé pour la fonction de transmission radio. Le circuit imprimé peut donc être optimisé quant à ses dimensions.The arrangement of the antenna inside the housing allows a good electromagnetic coupling with the associated conductor, the antenna can be aligned with this conductor, while a galvanic isolation is provided between these two elements. By separating the antenna and the conductor from the circuit board, it is not occupied with a location on the circuit board for the radio transmission function. The printed circuit can therefore be optimized as to its dimensions.

Une antenne monopole est particulièrement adaptée pour ce type de dispositif, car elle permet de limiter l'encombrement du dispositif.A monopole antenna is particularly suitable for this type of device because it limits the size of the device.

L'antenne et/ou le conducteur peuvent être matérialisés par des pistes au niveau de leur zone de couplage. Par piste, on entend une lame métallique d'une longueur au moins égale à la distance sur laquelle l'antenne et le conducteur sont couplés, c'est à dire, préférentiellement, proche du quart de la longueur d'onde correspondant à la fréquence radio souhaitée. La largeur de cette lame métallique est au moins cinq fois plus grande que son épaisseur. Dans le cas où l'antenne et le conducteur sont formés par des pistes au niveau de leur zone de couplage, il est préférable que la largeur de ces pistes soit sensiblement la même, afin d'assurer un bon couplage électromagnétique.The antenna and / or the conductor may be materialized by tracks at their coupling zone. By track, is meant a metal strip of a length at least equal to the distance over which the antenna and the conductor are coupled, that is to say, preferably, close to a quarter of the wavelength corresponding to the frequency desired radio. The width of this metal blade is at least five times greater than its thickness. In the case where the antenna and the conductor are formed by tracks at their coupling zone, it is preferable that the width of these tracks is substantially the same, in order to ensure good electromagnetic coupling.

L'amélioration du couplage peut également être obtenue par des moyens de rapprochement destinés à plaquer l'antenne vers le conducteur de manière à optimiser la distance entre ces deux pièces, la distance minimum étant l'épaisseur d'une couche d'isolant. Ces moyens assurent ainsi un meilleur couplage électromagnétique. Préférentiellement, ces moyens de rapprochement comprennent au moins un organe élastique en appui contre une face du circuit imprimé et apte à exercer sur un support, qui porte l'antenne, un effort dirigé vers le conducteur couplé à cette antenne, ce qui permet d'exercer l'effort de rapprochement au plus près de l'antenne.The improvement of the coupling can also be obtained by means of bringing together to press the antenna towards the conductor so as to optimize the distance between these two parts, the minimum distance being the thickness of an insulating layer. These means thus ensure better electromagnetic coupling. Preferably, these means of bringing together comprise at least one resilient member bearing against one face of the printed circuit and capable of exerting on a support, which carries the antenna, a force directed towards the conductor coupled to this antenna, which makes it possible to make the effort of rapprochement closer to the antenna.

Le moyen de positionnement peut être un support d'antenne indépendant dans lequel est logée l'antenne. Ce sous-ensemble étant indépendant, il est alors simple de changer la longueur d'antenne du dispositif et de s'adapter à la fréquence radio souhaitée. Par exemple, pour une fréquence de 433 MHz, une longueur d'antenne correspondant au quart de la longueur d'onde, à savoir, 17 cm, sera utilisée. Pour une fréquence de 868 MHz, l'antenne mesurera 8 cm. Un support d'antenne spécifique peut être adapté à chaque longueur d'antenne ou permettre le logement d'antennes de différentes longueurs.The positioning means may be an independent antenna support in which the antenna is housed. This subset being independent, it is then simple to change the antenna length of the device and to adapt to the desired radio frequency. For example, for a frequency of 433 MHz, an antenna length corresponding to a quarter of the wavelength, namely, 17 cm, will be used. For a frequency of 868 MHz, the antenna will measure 8 cm. A specific antenna support can be adapted to each antenna length or allow the housing of antennas of different lengths.

Le support d'antenne peut être positionné par rapport au boîtier supportant le circuit imprimé et le conducteur ou par rapport à un boîtier en deux parties. Dans la première partie est logée le circuit imprimé, alors que la seconde partie supporte le conducteur couplé. Ces deux parties sont positionnées l'une par rapport à l'autre. Dans ce mode de réalisation, le support d'antenne est guidé soit par rapport à la première partie, donc positionné par rapport au circuit imprimé, soit par rapport à la deuxième partie, et, dans ce cas, positionné par rapport au conducteur couplé. Ces alternatives apportent un peu plus de souplesse au montage. Par exemple, dans le cas où le support d'antenne est lié à la première partie, l'antenne peut être connectée, notamment, au circuit imprimé avant assemblage dans le dispositif. Dans le deuxième cas, le positionnement de l'antenne et du conducteur est direct, le couplage ne peut être que meilleur.The antenna support may be positioned relative to the housing supporting the printed circuit and the conductor or relative to a housing in two parts. In the first part is housed the printed circuit, while the second part supports the coupled conductor. These two parts are positioned relative to each other. In this embodiment, the antenna support is guided either with respect to the first part, thus positioned relative to the printed circuit, or with respect to the second part, and, in this case, positioned relative to the coupled conductor. These alternatives bring a little more flexibility to the assembly. For example, in the case where the antenna support is connected to the first part, the antenna can be connected, in particular, to the printed circuit before assembly in the device. In the second case, the positioning of the antenna and the driver is direct, the coupling can only be better.

Pour faciliter le montage de l'antenne sur le circuit imprimé, le support d'antenne peut être mobile dans le boîtier selon une direction parallèle à la longueur de l'antenne. Une extrémité de l'antenne comprend un picot destiné à traverser le circuit imprimé au niveau d'un trou prévu à cet effet. Le picot qui permet de connecter électriquement l'antenne au circuit imprimé, est alors soudé sur le circuit imprimé. Il faut donc que le picot soit bien positionné par rapport au trou du circuit imprimé au moment du montage afin de ne pas le détériorer. Cet alignement est assuré par le boîtier qui positionne le circuit imprimé et le support d'antenne. Le degré de liberté du support d'antenne décrit précédemment permet d'absorber les tolérances dimensionnelles des pièces qui tendent à désaligner l'axe du picot par rapport à l'axe du trou. Dans le sens perpendiculaire à la longueur de l'antenne, on peut prévoir un jeu limité entre le support d'antenne et le boîtier au niveau du picot afin d'obtenir la même souplesse de montage. Si ce jeu est trop important, l'efficacité du couplage électrique entre l'antenne et le conducteur peut être affectée. En particulier, on peut prévoir que la largeur du support, prise perpendiculairement à la longueur de l'antenne, est légèrement inférieure à la distance séparant deux bords d'un emplacement ménagé dans le boîtier pour la réception de ce support.To facilitate mounting of the antenna on the printed circuit, the antenna support can be movable in the housing in a direction parallel to the length of the antenna. One end of the antenna comprises a pin for passing through the printed circuit at a hole provided for this purpose. The pin which allows to electrically connect the antenna to the printed circuit, is then soldered to the printed circuit. It is therefore necessary that the pin is well positioned relative to the hole of the printed circuit at the time of assembly so as not to damage it. This alignment is ensured by the housing which positions the circuit board and the antenna support. The degree of freedom of the antenna support described above makes it possible to absorb the dimensional tolerances of the parts which tend to misalign the axis of the pin with respect to the axis of the hole. In the direction perpendicular to the length of the antenna, a limited clearance can be provided between the antenna support and the housing at the pin in order to obtain the same flexibility of assembly. If this game is too important, the effectiveness of the electrical coupling between the antenna and the driver can be affected. In particular, it can be provided that the width of the support, taken perpendicular to the length of the antenna, is slightly less than the distance between two edges of a location in the housing for receiving this support.

La mobilité du support d'antenne selon la direction parallèle à la longueur de l'antenne permet également d'apporter de la souplesse sur l'emplacement des composants sur le circuit imprimé. Le trou de passage du picot peut ainsi être déplacé sur le circuit imprimé, sans devoir reconcevoir le dispositif. Si le trou est déplacé selon une direction parallèle à la longueur de l'antenne, il suffit uniquement de déplacer le support d'antenne lors du montage. S'il est déplacé selon une autre direction, il faut modifier l'emplacement du picot de l'antenne par rapport au support d'antenne, cette modification pouvant se révéler plus complexe.The mobility of the antenna support in the direction parallel to the length of the antenna also provides flexibility on the location of the components on the printed circuit. The passage hole of the picot can thus be moved on the printed circuit, without having to redesign the device. If the hole is moved in a direction parallel to the length of the antenna, it is only necessary to move the antenna support during assembly. If it is moved in a different direction, the location of the antenna pin should be changed from the antenna support, which may be more complex.

L'invention concerne également un actionneur électrique pour la manoeuvre d'un écran de fermeture, de protection solaire ou de projection, cet actionneur comprenant un moteur d'entraînement d'un organe de déplacement d'un écran, ainsi qu'un dispositif de commande radio tel que mentionné ci-dessus.The invention also relates to an electric actuator for maneuvering a closure, sun protection or projection screen, this actuator comprising a drive motor of a screen displacement member, as well as a control device. radio control as mentioned above.

Un tel actionneur est plus fiable et plus efficace que ceux de l'état de la technique pour ce qui concerne la transmission de signaux radio à destination de ou en provenance du circuit imprimé.Such an actuator is more reliable and more efficient than those of the state of the art as regards the transmission of radio signals to or from the printed circuit.

Enfin, l'invention concerne une installation domotique, par exemple une installation de fermeture ou de protection solaire ou une installation de manoeuvre d'un écran vidéo, qui comprend au moins un moteur électrique et un dispositif de commande tel que mentionné ci-dessus.Finally, the invention relates to a home automation system, for example a closure or sun protection system or a video screen operation installation, which comprises at least one electric motor and a control device as mentioned above.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés sur lesquels :

  • la figure 1 est une illustration schématique de l'architecture d'un actionneur tubulaire conforme à l'invention ;
  • la figure 2 est une vue en perspective d'un dispositif de commande radio appartenant à l'actionneur de la figure 1 ;
  • la figure 3 est une vue en perspective d'un support d'antenne équipé d'une antenne et appartenant au dispositif de la figure 2 ;
  • la figure 4 est une vue de dessus, avec arrachement partiel, du dispositif de la figure 2 assemblé avant fermeture de son capot ; et
  • la figure 5 est une coupe partielle selon la ligne A-A à la figure 4.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the appended drawings in which:
  • the figure 1 is a schematic illustration of the architecture of a tubular actuator according to the invention;
  • the figure 2 is a perspective view of a radio control device belonging to the actuator of the figure 1 ;
  • the figure 3 is a perspective view of an antenna support equipped with an antenna and belonging to the device of the figure 2 ;
  • the figure 4 is a top view, partially broken away, of the device of the figure 2 assembled before closing its hood; and
  • the figure 5 is a partial section along the line AA to the figure 4 .

La figure 1 représente un actionneur tubulaire 100 destiné à entraîner un tube d'enroulement 1 sur lequel peut être plus ou moins enroulé un tablier 2 d'obturation d'une ouverture O. Le tube 1 est entraîné par l'actionneur 100 en rotation autour d'un axe de révolution X-X qui est disposé horizontalement en partie haute de l'ouverture. L'ouverture O est, par exemple, une ouverture ménagée dans les parois d'un bâtiment. L'actionneur 100, le tube 1 et le tablier 2 forment alors un volet roulant motorisé.The figure 1 represents a tubular actuator 100 for driving a winding tube 1 on which can be more or less wound an apron 2 for closing an opening O. The tube 1 is driven by the actuator 100 rotating about an axis of revolution XX which is disposed horizontally in the upper part of the opening. The opening O is, for example, an opening in the walls of a building. The actuator 100, the tube 1 and the apron 2 then form a motorized roller shutter.

L'actionneur 100 comprend un tube cylindrique 101 dans lequel est monté un motoréducteur 102 comprenant un moteur, un frein et un réducteur et équipé d'un arbre de sortie 103 qui fait saillie à une extrémité 101A du tube 101 et entraîne une couronne-roue 3 solidaire en rotation du tube 1.The actuator 100 comprises a cylindrical tube 101 in which is mounted a geared motor 102 comprising a motor, a brake and a gear and equipped with an output shaft 103 which projects at one end 101A of the tube 101 and drives a wheel-crown 3 integral in rotation of the tube 1.

Le tube d'enroulement 1 tourne autour de l'axe X-X et du tube fixe 101 grâce à deux liaisons pivot. Une couronne-palier 4 montée sur la périphérie extérieure du tube 101 assure la première liaison pivot. La deuxième liaison pivot se situe à l'autre extrémité du tube 1 et n'est pas représentée.The winding tube 1 rotates about the X-X axis and the fixed tube 101 through two pivot links. A crown-bearing 4 mounted on the outer periphery of the tube 101 provides the first pivot connection. The second pivot connection is at the other end of the tube 1 and is not shown.

L'actionneur 100 comprend également une pièce de fixation 104, faisant saillie à l'extrémité du tube opposée à l'arbre de sortie et permettant de fixer l'actionneur 100 sur un bâti 5. Cette pièce de fixation 104 est, en outre, destinée à obturer le tube 101 ainsi qu'à supporter un dispositif de commande radio 200, logé à l'intérieur du tube 101. Un câble d'alimentation secteur 105, comprenant trois conducteurs, traverse la pièce de fixation 104 et se connecte au dispositif de commande 200 par le branchement d'un connecteur 106, monté à l'extrémité du câble 105, sur un connecteur 132, solidaire d'un boîtier 150 appartenant au dispositif 200. A l'autre extrémité du boîtier 150 se trouve un deuxième connecteur 162 sur lequel est branché un autre connecteur 107 d'extrémité d'un câble 108 d'alimentation du motoréducteur 102.The actuator 100 also comprises a fastener 104 projecting from the end of the tube opposite to the output shaft and making it possible to fix the actuator 100 on a frame 5. This fastener 104 is, in addition, intended to close the tube 101 and to support a radio control device 200, housed inside the tube 101. A mains power cable 105, comprising three conductors, passes through the fastener 104 and connects to the device 200 by the connection of a connector 106, mounted at the end of the cable 105, on a connector 132, integral with a housing 150 belonging to the device 200. At the other end of the housing 150 is a second connector 162 on which is connected another end connector 107 of a power supply cable 108 of the geared motor 102.

Le boîtier 150 constitue une enveloppe qui protège mécaniquement et électriquement les pièces qu'il renferme. Ce boîtier est mis en place dans le tube 101 lors de l'assemblage de l'actionneur 100. Si l'actionneur n'est pas de type tubulaire, le boîtier 150 peut être installé dans une autre partie de l'installation, tout en protégeant également les pièces qu'il renferme.The housing 150 constitutes an envelope that protects mechanically and electrically the parts it contains. This casing is put in place in the tube 101 during the assembly of the actuator 100. If the actuator is not of the tubular type, the casing 150 can be installed in another part of the installation, while also protecting the parts it contains.

Le dispositif de commande radio 200 est apte à recevoir un signal S1 véhiculé par des ondes radio. Ce signal S1, représenté par une flèche ondulée à la figure 1, provient d'un émetteur portatif 50 équipé d'une antenne 51. Il véhicule des ordres de manoeuvre du motoréducteur 102. Ces ordres sont alors interprétés par le dispositif 200 pour alimenter ou non le motoréducteur 102 au moyen du câble 108, avec une polarité fonction du sens de rotation souhaité pour le tube 1.The radio control device 200 is able to receive a signal S 1 carried by radio waves. This signal S 1 , represented by a wavy arrow at figure 1 , comes from a portable transmitter 50 equipped with an antenna 51. It conveys operating commands of the geared motor 102. These orders are then interpreted by the device 200 to supply or not the geared motor 102 by means of the cable 108, with a polarity depending on the desired direction of rotation for the tube 1.

Le dispositif 200 peut également émettre, à destination de l'émetteur 50 ou d'une centrale de commande et toujours par ondes radio, un signal S2 contenant des informations relatives au fonctionnement du motoréducteur 102.The device 200 can also transmit, to the transmitter 50 or a control unit and always by radio waves, a signal S 2 containing information relating to the operation of the geared motor 102.

Pour capter les ondes radio provenant de l'émetteur 50 et constituant le signal S1 et émettre les ondes constituant le signal S2, le dispositif 200 comprend une antenne monopole 110 reliée à un circuit imprimé 140 et couplée électromagnériquement à l'un des trois conducteurs d'alimentation 130A, 130B et 130C qui s'étendent dans le boîtier 150 entre les connecteurs 132 et 162. Dans l'exemple représenté, l'antenne 110 est couplée au conducteur 130B, avec isolation galvanique. En d'autres termes, aux fréquences radio utilisées par le circuit 140, l'antenne 110 et le conducteur 130B fonctionnent ensemble, sur le plan électromagnétique, comme une antenne, alors qu'ils sont isolés électriquement l'un de l'autre. Ainsi, les signaux radio émis ou reçus par l'antenne 110 sont transmis en partie par voie aérienne directe et en partie par couplage avec le conducteur 130B. On peut même considérer que celui des conducteurs du câble 105 qui est relié au conducteur 130B à travers les connecteurs 106 et 132 participe aux émissions/réceptions des signaux radio S1 et S2, ce que représente la flèche ondulée la plus à gauche sur la figure 1 , et ce, d'autant plus, quand l'actionneur est logé dans une structure métallique perturbant l'émission/réceptions des signaux radios S1 et S2 avec l'antenne 110. Toutefois, du fait de l'isolation galvanique entre le conducteur 130B et l'antenne 110, la tension du secteur n'est pas transmise à cette antenne.In order to pick up the radio waves originating from the transmitter 50 and constituting the signal S 1 and transmitting the waves constituting the signal S 2 , the device 200 comprises a monopole antenna 110 connected to a printed circuit 140 and electromagnetically coupled to one of the three 130A, 130B and 130C supply conductors that extend into the housing 150 between the connectors 132 and 162. In the example shown, the antenna 110 is coupled to the conductor 130B, with galvanic isolation. In other words, at the radio frequencies used by the circuit 140, the antenna 110 and the conductor 130B work together, electromagnetically, as an antenna, while they are electrically isolated from each other. Thus, the radio signals transmitted or received by the antenna 110 are transmitted partly by direct air and partly by coupling with the conductor 130B. It can even be considered that one of the conductors of the cable 105 which is connected to the conductor 130B through the connectors 106 and 132 participates in the transmissions / receptions of the radio signals S 1 and S 2 , which represents the leftmost corrugated arrow on the figure 1 all the more so when the actuator is housed in a metallic structure disturbing the transmission / reception of the radio signals S 1 and S 2 with the antenna 110. However, because of the galvanic isolation between the 130B and the antenna 110, the mains voltage is not transmitted to this antenna.

Dans le cas de la réception d'un ordre de commande émis par la télécommande 50, le signal S1 est traité par l'électronique du circuit imprimé 140. Le motoréducteur 102 est alors alimenté en fonction de l'ordre souhaité.In the case of receiving a control command issued by the remote control 50, the signal S 1 is processed by the electronic circuit board 140. The geared motor 102 is then powered according to the desired order.

Dans le boîtier 150 sont positionnés :

  • les conducteurs d'alimentation 130A, 130B et 130C reliés au connecteur 132 et connectés au circuit imprimé 140 via des picots 131A, 131B et 131C,
  • un support d'antenne 120 portant l'antenne 110 qui est connectée au circuit imprimé 140 via un picot 111,
  • le circuit imprimé 140 qui est qualifié de « radiofréquence », car il peut traiter des signaux tels que ceux S1 reçus par l'antenne 110 et ceux S2 à émettre par cette antenne,
  • des fiches 160A, 160B et 160C, appartenant au connecteur 162, destinées à alimenter le motoréducteur 102 et connectées au circuit imprimé 140 via des picots 161A, 161B et 161C.
In the housing 150 are positioned:
  • the supply conductors 130A, 130B and 130C connected to the connector 132 and connected to the printed circuit 140 via pins 131A, 131B and 131C,
  • an antenna support 120 carrying the antenna 110 which is connected to the printed circuit 140 via a pin 111,
  • the printed circuit 140 which is qualified as "radiofrequency" because it can process signals such as those S 1 received by the antenna 110 and those S 2 to be transmitted by this antenna,
  • pins 160A, 160B and 160C, belonging to the connector 162, for supplying the geared motor 102 and connected to the printed circuit 140 via pins 161A, 161B and 161C.

Tous ces éléments étant disposés dans le boîtier 150, ils peuvent être positionnés de façon précise les uns par rapport aux autres. En particulier, l'antenne 110, solidaire du support d'antenne 120, peut être installée dans le boîtier 150 en étant proche du conducteur 130B pour assurer un bon couplage électromagnétique entre ces éléments.All these elements being arranged in the housing 150, they can be accurately positioned relative to each other. In particular, the antenna 110, integral with the antenna support 120, can be installed in the housing 150 while being close to the conductor 130B to ensure good electromagnetic coupling between these elements.

Les picots 111, 131A, 131B, 131C, 161A, 161B et 161C se connectent correctement sur le circuit imprimé 140 grâce ce même référentiel qu'est le boîtier 150.The pins 111, 131A, 131B, 131C, 161A, 161B and 161C connect correctly to the printed circuit 140 using the same reference frame that is the housing 150.

Un léger jeu entre ces pièces est néanmoins nécessaire pour faciliter le montage.A slight clearance between these parts is nevertheless necessary to facilitate assembly.

Lors du fonctionnement de l'actionneur tubulaire 100, le motoréducteur 102 entraîne en rotation l'arbre 103 qui à son tour entraîne en rotation le tube 1 par l'intermédiaire de la couronne-roue 3. Par exemple, lorsque l'actionneur 100 est installé dans un caisson de volet roulant, la rotation de l'arbre 103 entraîne l'ouverture et, en alternance, la fermeture de l'ouverture O.During the operation of the tubular actuator 100, the geared motor 102 rotates the shaft 103 which in turn rotates the tube 1 via the wheel-crown 3. For example, when the actuator 100 is installed in a shutter box, the rotation of the shaft 103 causes the opening and, alternately, the closing of the opening O.

Les figures 2, 3, 4 et 5 montrent, de façon plus détaillée, la structure du dispositif de commande 200.The figures 2 , 3 , 4 and 5 show in more detail the structure of the control device 200.

Les trois conducteurs du câble d'alimentation, à savoir deux phases et un neutre, se connectent sur des pistes qui forment les conducteurs 130A, 130B et 130C et sont logées dans le boîtier 150. Ces pistes sont des lames métalliques dont la largeur est au moins cinq fois plus grande que leur épaisseur. La longueur de ces pistes est dimensionnée de manière à ce qu'elles correspondent à au moins au quart de la longueur d'onde de la fréquence souhaitée. Ces pistes 130A, 130B et 130C sont connectées, via les picots 131A, 131B et 131C, au circuit imprimé 140. Le circuit imprimé 140 est ainsi alimenté par le secteur.The three conductors of the power cable, namely two phases and a neutral, connect to tracks forming the conductors 130A, 130B and 130C and are housed in the housing 150. These tracks are metal blades whose width is at less than five times larger than their thickness. The length of these tracks is dimensioned so that they correspond to at least a quarter of the wavelength of the desired frequency. These tracks 130A, 130B and 130C are connected, via the pins 131A, 131B and 131C, to the printed circuit 140. The printed circuit 140 is thus powered by the mains.

En fonction du signal radio S1 reçu, le circuit 140 alimente les fiches 160A, 160B ou 160C du conducteur de sortie 162 correspondant à l'alimentation que l'on souhaite fournir au motoréducteur 102. La phase et le neutre sont ainsi reliés aux bornes d'un bobinage du moteur pour la rotation du moteur dans un sens. La connexion aux bornes de l'autre bobinage est réalisée si l'on souhaite une rotation en sens inverse. Par exemple, la piste 130B peut donc être reliée à la fiche 160B via le circuit imprimé 140 et les picots 131B et 161B. Si un autre ordre est transmis, cette piste 130B peut par exemple être connectée à la fiche 160A, via le picot 131 A. En variante, la piste 130A peut être reliée à la fiche 160A en déconnectant la piste 130B. Ces connexions sont réalisées, par exemple, par des relais 141 et 142 disposés sur le circuit imprimé 140.As a function of the radio signal S 1 received, the circuit 140 supplies the pins 160A, 160B or 160C of the output conductor 162 corresponding to the power supply that it is desired to supply to the geared motor 102. The phase and the neutral are thus connected to the terminals. a motor winding for motor rotation in one direction. The connection to the terminals of the other winding is carried out if it is desired to rotate in the opposite direction. For example, the track 130B can be connected to the card 160B via the printed circuit 140 and the pins 131B and 161B. If another order is transmitted, this track 130B may for example be connected to the pin 160A via the pin 131A. Alternatively, the track 130A may be connected to the pin 160A by disconnecting the track 130B. These connections are made, for example, by relays 141 and 142 arranged on the printed circuit 140.

Pour isoler les pistes conductrices 130A, 130B et 130C de l'antenne 110 et du circuit imprimé 140, une feuille intercalaire en matériau d'isolation 170, par exemple, une feuille de « Mylar » (marque déposée), est disposée entre ces pistes et cette antenne.To isolate the conductive tracks 130A, 130B and 130C of the antenna 110 and the printed circuit 140, an intermediate sheet of insulation material 170, for example, a sheet of "Mylar" (registered trademark), is arranged between these tracks. and this antenna.

L'antenne 110 est montée dans le support 120 qui est en forme de double croix à six extrémités. L'antenne 110 est formée par une piste dont la section est sensiblement équivalente à celle de la piste 130B avec laquelle elle est couplée. Sa longueur correspond au quart de la longueur d'onde de la fréquence utilisée pour la communication radio par le dispositif 200. La quasi-totalité de cette longueur s'étend le long du support d'antenne 120. L'antenne 110 est reçue dans un logement 124 s'étendant sur une barre centrale 127 reliant les deux croix et sur deux branches 125 et 126 prolongeant la barre centrale. L'antenne 110 est légèrement en retrait par rapport à la face inférieure 120A du support d'antenne 120. A une extrémité, l'antenne 110 traverse le support d'antenne 120 et se termine par le picot 111. A l'autre extrémité, l'antenne 110 est pliée afin d'être insérée dans un logement 120B du support d'antenne 120 dans le but de maintenir l'antenne 110 tendue et en retrait dans le support d'antenne 120.The antenna 110 is mounted in the support 120 which is in the form of a double cross with six ends. The antenna 110 is formed by a track whose section is substantially equivalent to that of the track 130B with which it is coupled. Its length corresponds to a quarter of the wavelength of the frequency used for the radio communication by the device 200. Almost all of this length extends along the antenna support 120. The antenna 110 is received in a housing 124 extending on a central bar 127 connecting the two crosses and on two branches 125 and 126 extending the center bar. The antenna 110 is slightly recessed with respect to the lower face 120A of the antenna support 120. At one end, the antenna 110 passes through the antenna support 120 and ends with the pin 111. At the other end , the antenna 110 is folded to be inserted into a housing 120B of the antenna support 120 for the purpose of keeping the antenna 110 taut and recessed in the antenna support 120.

Une fois assemblé dans le boîtier 150, le support d'antenne 120 est en appui, selon une direction D1, sur l'intercalaire d'isolation 170 et guidé dans le boîtier 150. Il peut se déplacer selon une direction D2 sensiblement parallèle à la longueur de l'antenne. Selon une direction D3 perpendiculaire aux deux précédentes, le support d'antenne 120 est destiné à venir en appui sur deux faces 152 et 153 du boîtier 150. En effet, la largeur L120 du support d'antenne 120 est limitée, d'un coté par les faces d'extrémités 122 de deux de ses branches transversales, et, de l'autre coté, par les faces d'extrémités 123 des autres branches transversales. Ces faces 122 et 123 correspondent à des extrémités opposées de la double croix.Once assembled into the casing 150, the antenna support 120 is supported, in a direction D 1 , on the insulating spacer 170 and guided in the casing 150. It can move in a substantially parallel direction D 2 to the length of the antenna. In a direction D 3 perpendicular to the two preceding, the antenna support 120 is intended to bear on two faces 152 and 153 of the housing 150. Indeed, the width L 120 of the antenna support 120 is limited, one side by the end faces 122 of two of its transverse branches, and, on the other side, by the end faces 123 of the other transverse branches. These faces 122 and 123 correspond to opposite ends of the double cross.

Lorsqu'il est monté dans le boîtier 150, le support d'antenne 120 vient se loger dans un emplacement 154 de largeur L154 égale à la distance entre les faces 152 et 153. La largeur L120 du support 120 étant légèrement inférieure à la largeur L154, le support d'antenne ne peut pratiquement pas se déplacer selon la direction D3. Les faces 122 butent contre la face 152 et les faces 123 butent contre la face 153.When mounted in the housing 150, the antenna support 120 is housed in a location 154 of width L 154 equal to the distance between the faces 152 and 153. The width L 120 of the support 120 is slightly smaller than the width L 154 , the antenna support can practically not move in the direction D 3 . The faces 122 abut against the face 152 and the faces 123 abut against the face 153.

L'antenne est centrée par rapport au support d'antenne, c'est à dire, centrée par rapport à la largeur L120. D'autre part, la piste 130B, couplée à l'antenne 110, est centrée par rapport à la largeur L154. Ainsi, par construction, l'antenne 110 et la piste 130B se trouvent l'une au-dessus de l'autre, position idéale pour obtenir un bon couplage électromagnétique.The antenna is centered with respect to the antenna support, ie, centered with respect to the width L 120 . On the other hand, the track 130B, coupled to the antenna 110, is centered with respect to the width L 154 . Thus, by construction, the antenna 110 and the track 130B are located one above the other, ideal position to obtain a good electromagnetic coupling.

Il n'est pas nécessaire que l'antenne 110 et la piste 130 soient exactement centrées par rapport aux largeurs définies précédemment. Il suffit en effet que ces deux éléments soient positionnés par rapport aux faces 122, 123, 152 et 153 de manière à ce qu'ils se situent l'un au-dessus de l'autre après montage.It is not necessary that the antenna 110 and the track 130 are exactly centered with respect to the widths defined above. It is sufficient that these two elements are positioned relative to the faces 122, 123, 152 and 153 so that they are located one above the other after assembly.

Après mise en place du support 120 dans l'emplacement 154, le circuit imprimé 140 recouvre les pistes conductrices 130A, 130B et 130C et le support d'antenne 120. Il est positionné dans le boîtier grâce à des moyens de centrage, comme par exemple, un pion de centrage 151. Une fois le circuit imprimé disposé dans le boîtier 150, les picots des pistes conductrices 131A, 131 B, 131C, 161A, 161B, 161C et le picot de l'antenne 111 sont soudés à la carte 143 de ce circuit, comme illustré à la figure 5 par le soudage 145 du picot 111 traversant un trou 144 de la carte 143. La mobilité du support d'antenne 120 selon la direction D2 permet d'ajuster la position du picot 111 pour l'aligner avec l'axe du trou 144, afin de faciliter le montage et le soudage.After placing the support 120 in the location 154, the printed circuit 140 covers the conductive tracks 130A, 130B and 130C and the antenna support 120. It is positioned in the housing by means of centering means, for example , a centering pin 151. Once the printed circuit disposed in the housing 150, the pins of the conductive tracks 131A, 131B, 131C, 161A, 161B, 161C and the pin of the antenna 111 are soldered to the card 143 of this circuit, as illustrated in figure 5 by the welding 145 of the pin 111 passing through a hole 144 of the card 143. The mobility of the antenna support 120 in the direction D 2 makes it possible to adjust the position of the pin 111 to align it with the axis of the hole 144, to facilitate assembly and welding.

Pour améliorer le couplage électromagnétique entre l'antenne 110 et la piste 130, il est nécessaire que ces deux éléments soient l'un au-dessus de l'autre et que la distance les séparant soit la plus constante possible. Une solution optimisant cette distance consiste à doter le support d'antenne 120 de moyens élastiques 121 d'appui sur le circuit imprimé 140. Trois pattes élastiques 121 sont réparties le long du support d'antenne 120, au-dessus de l'antenne 110, sur la face supérieure 120C du support d'antenne 120. Ces pattes 121 appuient sur la face inférieure 146 de la carte 143 du circuit imprimé 140 et génèrent une force F tendant à pousser le support d'antenne 120 contre la couche intercalaire isolante 170 et donc vers la piste 130B. L'antenne 110 se trouvant légèrement en retrait de la face inférieure 120A du support d'antenne 120, elle se rapproche alors de la piste 130B. Le couplage est ainsi amélioré.To improve the electromagnetic coupling between the antenna 110 and the track 130, it is necessary that these two elements are one above the other and that the distance between them is as constant as possible. A solution that optimizes this distance consists in providing the antenna support 120 with elastic support means 121 on the printed circuit board 140. Three elastic tabs 121 are distributed along the antenna support 120, above the antenna 110. on the upper face 120C of the antenna support 120. These tabs 121 press on the lower face 146 of the card 143 of the printed circuit 140 and generate a force F tending to push the antenna support 120 against the insulating spacer layer 170 and therefore to track 130B. Since the antenna 110 is slightly set back from the lower face 120A of the antenna support 120, it then approaches the track 130B. The coupling is thus improved.

L'antenne 110 est ainsi positionnée et maintenue en place entre la face 146 du circuit 140 et le conducteur 130B, dans des conditions de couplage magnétique optimisé.The antenna 110 is thus positioned and held in place between the face 146 of the circuit 140 and the conductor 130B, under optimized magnetic coupling conditions.

Lorsque le support 120 et le circuit 140 ont été mis en place comme expliqué ci-dessus et après les raccordements électriques, un couvercle 155 du boîtier 150 peut être rabattu au-dessus du circuit 140, ce qui ferme le boîtier 150. Les éléments constitutifs du dispositif 200 sont ainsi protégés de l'environnement extérieur, notamment des salissures et des chocs.When the support 120 and the circuit 140 have been put in place as explained above and after the electrical connections, a cover 155 of the housing 150 can be folded over the circuit 140, which closes the housing 150. The constituent elements of the device 200 are thus protected from the external environment, in particular dirt and shocks.

Il convient de noter que l'invention permet d'adapter très facilement le dispositif 200 à la longueur d'onde des signaux S1 et S2, ceci par une simple adaptation de la longueur des éléments 110 et 120, qui peuvent être prévus en plusieurs tailles , et du module électronique. En variante, le support 120 peut être dimensionné de manière à pouvoir loger différentes tailles d'antenne.It should be noted that the invention makes it possible to very easily adapt the device 200 to the wavelength of the signals S 1 and S 2 , this by a simple adaptation of the length of the elements 110 and 120, which can be provided by several sizes, and the electronic module. Alternatively, the support 120 may be sized to accommodate different antenna sizes.

Le dispositif de commande 200 peut contenir également un mécanisme non représenté de comptage du nombre de tours effectué par le tube d'enroulement 1 lors d'une manoeuvre.The control device 200 may also contain a not shown mechanism for counting the number of revolutions made by the winding tube 1 during a maneuver.

Le boîtier 150 peut être en plusieurs parties, positionnées et assemblées les unes par rapport aux autres. Le boîtier peut également être formé par une partie de la pièce de fixation 104.The housing 150 may be in several parts, positioned and assembled relative to each other. The housing may also be formed by a portion of the fastener 104.

L'invention a été représentée avec une antenne 110 et des conducteurs 130A, 130B, 130C formés par des pistes métalliques. En variante, ces éléments peuvent être formés par des fils conducteurs.The invention has been shown with an antenna 110 and leads 130A, 130B, 130C formed by metal tracks. In a variant, these elements may be formed by conducting wires.

L'invention a été décrite dans le cas où le câble d'alimentation secteur 105 comprend trois conducteurs. En variante, ce câble peut ne comprendre que deux conducteurs lorsque le motoréducteur 102 est alimenté en courant monophasé. Dans ce cas, les deux conducteurs sont branchés sur deux pistes 130A, 130B ou 130C. Ces deux pistes sont reliées au circuit 140. Le module électronique permet de relier alors les pistes conductrices avec les fiches 160A, 160B et 160C en fonction de l'ordre reçu.The invention has been described in the case where the mains power cable 105 comprises three conductors. As a variant, this cable may comprise only two conductors when the geared motor 102 is supplied with single-phase current. In this case, the two conductors are connected to two tracks 130A, 130B or 130C. These two tracks are connected to the circuit 140. The electronic module then connects the conductive tracks with the pins 160A, 160B and 160C depending on the order received.

L'invention a été décrite dans le cas de son utilisation pour la manoeuvre d'un volet roulant. Elle est également applicable à la manoeuvre d'un store et, plus généralement, de tout écran de fermeture, de protection solaire ou de projection.The invention has been described in the case of its use for the operation of a roller shutter. It is also applicable to the operation of a blind and, more generally, any screen closure, sunscreen or projection.

Claims (10)

Dispositif (200) de commande radio d'un moteur (102) d'entraînement d'un écran mobile (2), ce dispositif comprenant : - un circuit imprimé (140) de commande du moteur, - des conducteurs (130A, 130B, 130C) d'alimentation électrique du moteur et du circuit imprimé, - une antenne (110) reliée au circuit imprimé et couplée électromagnétiquement, avec isolation galvanique, à au moins un (130B) des conducteurs, caractérisé en ce qu'il comprend également : - un boîtier (150) dans lequel sont logés le circuit imprimé (140), l'antenne (110) et les conducteurs (130A, 130B, 130C), et - des moyens (120) de positionnement de l'antenne dans le boîtier, entre une face (146) du circuit imprimé (140) et le conducteur (130B) auquel est couplée cette antenne. Device (200) for radio control of a motor (102) for driving a mobile screen (2), this device comprising: a printed circuit (140) for controlling the motor, conductors (130A, 130B, 130C) for powering the motor and the printed circuit, an antenna (110) connected to the printed circuit and electromagnetically coupled, with galvanic isolation, to at least one (130B) of the conductors, characterized in that it also comprises: a housing (150) in which are housed the printed circuit (140), the antenna (110) and the conductors (130A, 130B, 130C), and means (120) for positioning the antenna in the housing, between a face (146) of the printed circuit (140) and the conductor (130B) to which this antenna is coupled. Dispositif selon la revendication 1, caractérisé en ce que l'antenne est une antenne monopole (110).Device according to claim 1, characterized in that the antenna is a monopole antenna (110). Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'antenne et/ou le conducteur couplé(s) à l'antenne est ou sont formé(s) par une piste conductrice (110, 130B) dans leur zone de couplage électromagnétique.Device according to one of the preceding claims, characterized in that the antenna and / or the conductor coupled to the antenna is or is formed by a conducting track (110, 130B) in their coupling zone. electromagnetic. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les moyens de positionnement de l'antenne comprennent un support (120) qui porte l'antenne (110) et qui est positionné dans un emplacement (154) ménagé dans le boîtier (150) de manière à ce que l'antenne est apte à être connectée au circuit imprimé (140).Device according to one of the preceding claims, characterized in that the means for positioning the antenna comprise a support (120) which carries the antenna (110) and which is positioned in a location (154) formed in the housing ( 150) so that the antenna is adapted to be connected to the printed circuit (140). Dispositif selon la revendication 4, caractérisé en ce que le support (120) portant l'antenne (110) est mobile par rapport au boîtier (150) selon une direction (D2) parallèle à la longueur de l'antenne (110).Device according to claim 4, characterized in that the support (120) carrying the antenna (110) is movable relative to the housing (150) in a direction (D 2 ) parallel to the length of the antenna (110). Dispositif selon l'une des revendications 4 ou 5, caractérisé en ce que la largeur (L120) du support (120) prise perpendiculairement à la longueur de l'antenne (110) est légèrement inférieure à la distance (L154) séparant deux bords (152, 153) d'un emplacement (154) ménagé dans le boîtier (150) pour la réception du support.Device according to one of claims 4 or 5, characterized in that the width (L 120 ) of the support (120) taken perpendicular to the length of the antenna (110) is slightly less than the distance (L 154 ) separating two edges (152, 153) of a location (154) in the housing (150) for receiving the support. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'il comprend au moins un organe élastique (121) en appui contre une face (146) du circuit imprimé (140) et apte à exercer sur un support (120) portant l'antenne (110) un effort (F) dirigé vers le conducteur (130B) couplé électromagnétiquement à l'antenne, cet effort induisant le rapprochement (F) de l'antenne (110) et du conducteur (130B).Device according to one of the preceding claims, characterized in that it comprises at least one resilient member (121) bearing against a face (146) of the printed circuit (140) and able to exert on a support (120) carrying the antenna (110) a force (F) directed towards the conductor (130B) electromagnetically coupled to the antenna, this force inducing the approximation (F) of the antenna (110) and the conductor (130B). Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une feuille (170) en matériau isolant est intercalée entre les conducteurs (130A, 130B, 130C) et l'antenne (110).Device according to any one of the preceding claims, characterized in that a sheet (170) of insulating material is interposed between the conductors (130A, 130B, 130C) and the antenna (110). Actionneur électrique (100) pour la manoeuvre d'un écran (2) de fermeture, de protection solaire ou de projection, cet actionneur comprenant un moteur (102) d'entraînement d'un organe (1) de déplacement de l'écran, caractérisé en ce qu'il est équipé d'un dispositif de commande radio (200) selon l'une des revendications précédentes.Electric actuator (100) for operating a screen (2) for closing, solar protection or projection, this actuator comprising a motor (102) for driving a member (1) for moving the screen, characterized in that it is equipped with a radio control device (200) according to one of the preceding claims. Installation domotique comprenant au moins un moteur électrique (102), caractérisée en ce qu'elle comprend également un dispositif de commande radio (200) selon l'une des revendications 1 à 8.Home automation system comprising at least one electric motor (102), characterized in that it also comprises a radio control device (200) according to one of Claims 1 to 8.
EP08356028.4A 2007-02-22 2008-02-20 Radio control device, electric actuator and home automation installation including such a device Not-in-force EP1961910B1 (en)

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Also Published As

Publication number Publication date
FR2913132A1 (en) 2008-08-29
US8009433B2 (en) 2011-08-30
JP5377865B2 (en) 2013-12-25
US20080212294A1 (en) 2008-09-04
FR2913132B1 (en) 2010-05-21
EP1961910B1 (en) 2018-12-12
JP2008202397A (en) 2008-09-04

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