EP2345789B1 - Dispositif d'entrainement à commande par radiofréquence - Google Patents

Dispositif d'entrainement à commande par radiofréquence Download PDF

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Publication number
EP2345789B1
EP2345789B1 EP11162621.4A EP11162621A EP2345789B1 EP 2345789 B1 EP2345789 B1 EP 2345789B1 EP 11162621 A EP11162621 A EP 11162621A EP 2345789 B1 EP2345789 B1 EP 2345789B1
Authority
EP
European Patent Office
Prior art keywords
antenna
motor
radio frequency
conductors
circuit
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.)
Expired - Lifetime
Application number
EP11162621.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2345789A1 (fr
Inventor
Michel Ramus
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 SA
Original Assignee
Somfy SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Somfy SA filed Critical Somfy SA
Publication of EP2345789A1 publication Critical patent/EP2345789A1/fr
Application granted granted Critical
Publication of EP2345789B1 publication Critical patent/EP2345789B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • 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
    • 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

Definitions

  • the present invention relates to the control devices by radio frequency control, and more specifically the drive devices used for winding blinds and shutters.
  • radio transmission In the field of housing or building in general, it is increasingly used radio transmission to remotely control elements electrically powered by the low voltage network (typically 230 V AC 50 Hz or 120 V AC 60 Hz), or sector.
  • the low voltage network typically 230 V AC 50 Hz or 120 V AC 60 Hz
  • This motor has a tubular shape and is placed inside a steel winding tube, on which is disposed the product to be wound.
  • the radio integrated in the motor has an antenna in the form of a semi-rigid wire strand, coming out of the tubular motor and also coming out of the winding tube over an appropriate distance, for example ⁇ / 4 (a quarter of the wavelength), ie 17 cm for a frequency of 433 MHz or 8 cm for a frequency of 868 MHz.
  • This kind of antenna has a disadvantage of fragility, relative to the mass of the engine, which requires special handling and packaging precautions.
  • the housing of the winding tube of the blind or shutter is often made of a steel box, or even aluminum. In this unfavorable environment, the range of the antenna can be considerably reduced. In addition, if the device is mounted externally on a reinforced concrete wall, this reduction is accentuated.
  • EP-0-921 266-A2 proposes the direct placement of the radio receiver inside the motor tube.
  • the antenna layout In the product marketed by TOPELECTRO International, in Spain, under the reference TOPELECTRO JUNIOR, the quarter wave antenna is disposed completely independently of the mains wire, partially wound on itself so as to take up less space. This provision explains an extremely limited scope.
  • the radio receiver is arranged in a control box independent of the motor tube, but easy integration with the rolling shutter box or a blind fastener. There is no mention of a particular arrangement of the antenna within this housing.
  • US-A-2,218,830 proposes an antenna for radio or television receiver, having an antenna formed by a wire associated with the power cable; the antenna is associated with this cable so as to minimize the coupling between the antenna and the mains wire.
  • GB-A-340389 proposes, for such receivers, to use directly as an antenna a portion of the mains cable, isolated upstream and downstream by two plug circuits. At the frequency of the signal, everything happens as if the cable was a single wire serving as aerial wire. The two plugs provide isolation between the signals received by the antenna cable and the mains signals.
  • Figure 4 of US-A-6,104,920 proposes a device of the same kind as this English patent.
  • GB-A-702,525 proposes a solution of the same kind, for television receivers. The signal received on the portion of the antenna feed conductors is coupled into the receiver using a coupling coil and a coaxial cable.
  • US-A-5,351,284 relates to the base of a cordless phone; the telescopic antenna is replaced by a wire coupled to either the telephone line or the mains cable; it is expressly stated that the telephone line or mains cable does not contribute to the reception of the antenna.
  • US-A-3,863,157 proposes a device of the same kind, in which the connecting son between the amplifier of a stereo receiver and the speakers are also used as antenna son; there is still a separation of the two functions.
  • the objective is to replace a fragile or unsightly aerial with a portion of a cable accepted for other reasons.
  • These documents accordingly specify that it is important to isolate the signals received on the cable serving as aerial signals transmitted on the cable in its usual use.
  • US-A-4,032,723 shows a cordless duplex telephone system; one of the elements of a doublet antenna consists of a conductor of the mains cable.
  • the teaching of this document is similar to that of the previous documents - however the antenna is of another type.
  • the company BUBENDOREF sells under the reference 'id' a motor for shutters with integrated radio without specific antenna, for which the sector is globally used as receiver antenna, and using an electrical connection by capacitor between the terminal of arrival of a wire sector and the RF input point of the receiver circuit. It should be noted that such an arrangement makes the electronic card particularly sensitive to attacks by energy parasites carried by the sector.
  • US-A2 581 983 proposes to couple a radiofrequency reception circuit to the power supply cable of a radio receiver.
  • the coupling point is a quarter to one eighth wavelength away from the receiver chassis, which is grounded.
  • US-A-3,290,601 is an improvement of this patent, and proposes simply to form a doublet antenna by associating with the preceding device a monopole antenna.
  • US-A-2 915 627 offers an antenna for radio receiver.
  • a cylindrical conductor of one-quarter to one-half the wavelength of the radio frequency signals surrounds the power cable; the cylindrical conductor transmits to a radio frequency receiver the radiofrequency signals received by the sector, which acts as an antenna.
  • US-A-4,507,646 proposes to use the sector wires as an antenna of the transmitter or receiver for a paging system; the nature of the coupling circuit of the receiver or radiofrequency transmitter to the sector is not specified.
  • the devices described in these various documents are intended to avoid using a dedicated antenna, using as antenna sector drivers.
  • This solution involves precisely controlling the coupling point of the receiver or radiofrequency transmitter to the sector conductors; lack of such control of the coupling point, this solution actually has serious drawbacks in terms of selectivity, and susceptibility to broadband energy parasites carried by the sector.
  • the galvanic isolation may require the use of particularly protected capacitors.
  • the invention proposes, in the specific case of tubular motors, a solution that makes it possible to control a motor by radio, with good reliability.
  • the solution applies to all operating environments of these engines; it is simple to implement.
  • the invention proposes a drive device having a motor, a radio frequency control circuit of the motor, motor power supply conductors and radio frequency circuit and an antenna connected to the radio frequency circuit and electrically coupled for radio frequencies to at least one of the conductors by a non-galvanic coupling, while the motor, the radio frequency circuit and the antenna are arranged in a metal motor tube.
  • the power received or partially transmitted directly through the antenna represents more than 5%, or even 10% of the power received or transmitted by the radio frequency circuit.
  • the power received or partially transmitted directly through the antenna represents less than 50% or even less than 40% of the power received or transmitted by the radio frequency circuit.
  • the antenna is mechanically coupled to the conductors.
  • the antenna may be a monopole antenna, and in this case it may have a length close to a quarter of the wavelength of the radiofrequency signals received or transmitted by the radio frequency circuit.
  • the antenna is formed of a printed circuit track.
  • at least one conductor has a printed circuit track extending parallel to the track forming the antenna.
  • the antenna is electrically coupled to the power supply conductors, so that the radio frequency signals are at least partly received or emitted through the mains supply conductors.
  • This configuration is particularly advantageous when the engine is in a steel or aluminum box, which can limit the propagation of electromagnetic waves.
  • the invention also differs from the state-of-the-art solution proposed in US-A2 581 983 or in similar documents; indeed, in these documents, there is no antenna receiving or emitting directly part of the radiated power or emitted. Since the invention is not based solely on the sector, it ensures a more efficient reception or emission.
  • the solution of the invention makes it possible to solve the problems of the engines of the state of the art. Since the antenna is electrically coupled to the mains wires, it is possible to arrange the antenna inside a metal tube containing the motor and its control circuit. The antenna does not protrude from the tube and will not be damaged during transport or assembly.
  • the figure 1 shows a schematic sectional view of a driving device according to a first embodiment of the invention.
  • the device 2 has a tube 4, or tube engine.
  • the motor tube is typically cylindrical in shape. It is often made of metal, which ensures the necessary mechanical rigidity; it can also be plastic.
  • Around the engine tube is provided a winding tube 9, usually metal.
  • This winding tube is mounted on two supports 6 and 8, the support 6 being at one end of the tube 4.
  • the two supports include a bearing facilitating the rotation of the winding tube.
  • This tube 9 receives the end of the shutter or awning to be wound.
  • an electric motor 10 which is capable of rotating the winding tube 9, with respect to the motor tube 4, by means of a drive wheel 11.
  • the device further comprises, always inside the motor tube 4, a radiofrequency circuit 12 for controlling the motor.
  • This circuit is capable of receiving or transmitting radio frequency signals, as explained below.
  • radiofrequency is used here to mean the frequency ranges between 100 and 1000 MHz, with transmission through the air over short distances - of the order of 10 to 1000 m in free field.
  • the circuit 12 controls the motor according to the received signals and / or the transmitted signals.
  • the motor and the radio frequency circuit are powered by conductors 14 intended to be connected to the electrical network.
  • the device also has an antenna 16.
  • This antenna is firstly connected to the radiofrequency circuit, so that the radiofrequency signals received by the antenna are applied to the circuit and / or so that the radiofrequency signals supplied by the circuit are radiated by the antenna.
  • the antenna is typically a quarter-wave antenna, formed of an elongated conductor having a length of the order of a quarter of the wavelength of the frequency used for the control of the engine; the common frequency ranges for home automation applications are 433 MHz or 868 MHz, which leads to an antenna length of about 17 or 8 cm.
  • the antenna will be a monopoly. As shown in the figure, the antenna extends entirely into the motor tube 4; this has the advantage that the antenna is thus protected by the tube. The problems of fragility of the antenna or installation of it no longer arise.
  • the antenna 16 is also electrically coupled to at least one of the power supply conductors 14 of the motor and the power circuit.
  • the electrical coupling between the conductor (s) 14 and the antenna 16 enables the radio frequency circuit to receive, through the antenna, radio frequency signals picked up by the electrical network; the network can therefore serve as an antenna for receiving radio frequency signals for the motor control circuit.
  • the electrical coupling between the conductor (s) 14 and the antenna 16 allows the radio frequency circuit to transmit through the antenna 16 radiofrequency signals to the electrical network; the electrical network can therefore act as a transmitting antenna for radiofrequency signals emitted by the motor control circuit.
  • the coupling between the antenna and the conductor (s) 14 is a coupling that is both non-galvanic and selective; that is, the antenna and the conductor are electrically coupled for signals in radiofrequency ranges used for motor control; however, at the power frequencies of the motor, the antenna and the conductors are isolated.
  • This non-galvanic coupling can be carried out in various ways; the simplest is, as represented in figure 1 , that the antenna extends in the vicinity of the conductors; the distance between the conductor (s) and the antenna can be as small as possible and simply correspond to the thickness of the insulation surrounding the conductors; this configuration has the advantage of maximizing the coupling between the antenna and the drivers for radio frequencies.
  • a simple method consists in passing the conductors and the antenna wire in the same insulating sheath, possibly heat-shrinkable; such a mechanical coupling ensures a good proximity of the conductors and the antenna wire, and therefore a good electrical coupling.
  • the figure 1 still shows in dotted lines the boundaries of a box 18 in which the drive device is placed; this box is a box often metal steel or aluminum; it receives the winding tube and the blind or roller shutter when it is in a folded position.
  • the box can then be fully closed; this is particularly the case for the boxes of external blinds, which are closed when the blind is folded.
  • the antenna 16 is surrounded firstly by the tube of the motor 4, then by the winding tube 9, then by the box; the conductors 14 come out against the engine tube as the box, to be connected to the sector. It is clear, however, that the exact position of the connection between the conductors 14 and the electrical network does not affect the operation of the device.
  • the device of the figure 1 works as explained now. It can operate on the one hand in reception, for example to transmit to the driving device an order of operation - in the case of a blind or roller shutter, a winding or unwinding order of the blind, or still a stop order of winding or unwinding. It can also operate in transmission, to transmit information relating to the state of the training device - for example an acknowledgment of receipt of a command, or information on the position of the training device or its speed; in this case, it is of course unreasonable to describe circuit 12 as a "control" circuit, since the control of the motor can be executed by other means; however, this term is used for simplicity in the present description.
  • the operation in transmission and the operation in reception are similar, and only the operation in reception is described in detail.
  • the commands applied to the control circuit are transmitted by the latter to the motor, so as to drive the winding tube in rotation in one direction or the other, or to interrupt its rotation.
  • the radiofrequency signals at the input of the control circuit have in the second case a power 10 dB lower than the corresponding power in the first case; this attenuation is representative of the attenuation caused by the motor tube - the antenna being arranged in the motor tube.
  • the invention therefore has the effect of deteriorating the performance of an engine not yet installed.
  • the radiofrequency signals at the input of the control circuit have a higher power of 3 dB to the corresponding power in an MA device also placed in a winding tube and a box; this increase in power is representative of the effect of the non-galvanic coupling between the supply conductors and the antenna in the device of the invention.
  • the figure 2 shows a schematic partial view of another embodiment.
  • the antenna has the shape of a track 22 of a printed circuit 24.
  • the coupling can then simply be achieved by using for the conductor or drivers one or two tracks 26 or 28 adjacent the track materializing the antenna.
  • the device of the invention is remarkable in that it avoids problems during assembly of the device, during its installation, as during its current use.
  • the present invention is not limited to the examples and embodiments described and shown, but it is capable of many variants accessible to those skilled in the art.
  • the bead would be made specifically, and contain, at the end to be connected to the motor, the antenna strand or a portion thereof.
  • Such an arrangement would make it possible, at least partially, to have the antenna outside the motor tube and / or the winding tube, and thus to better distribute the control signal powers transmitted directly or by the wires. 'food.
  • the antenna extends outside the motor tube, even in the case where the power cord is delivered with the motor.
  • roller shutters or blinds It is also clear that the invention is not limited to the preferred embodiment of roller shutters or blinds. It applies more generally to all training devices, such as those of garage doors, chairs or articulated beds, or other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Details Of Aerials (AREA)
  • Control Of Electric Motors In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Brushes (AREA)
EP11162621.4A 2001-06-01 2002-05-07 Dispositif d'entrainement à commande par radiofréquence Expired - Lifetime EP2345789B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0107249A FR2825498B1 (fr) 2001-06-01 2001-06-01 Dispositif d'entrainement a commande par radiofrequence
EP02738219A EP1397576B1 (fr) 2001-06-01 2002-05-07 Dispositif d'entrainement a commande par radiofrequence

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP02738219.1 Division 2002-05-07
EP02738219A Division EP1397576B1 (fr) 2001-06-01 2002-05-07 Dispositif d'entrainement a commande par radiofrequence

Publications (2)

Publication Number Publication Date
EP2345789A1 EP2345789A1 (fr) 2011-07-20
EP2345789B1 true EP2345789B1 (fr) 2016-02-17

Family

ID=8863901

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02738219A Expired - Lifetime EP1397576B1 (fr) 2001-06-01 2002-05-07 Dispositif d'entrainement a commande par radiofrequence
EP11162621.4A Expired - Lifetime EP2345789B1 (fr) 2001-06-01 2002-05-07 Dispositif d'entrainement à commande par radiofréquence

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02738219A Expired - Lifetime EP1397576B1 (fr) 2001-06-01 2002-05-07 Dispositif d'entrainement a commande par radiofrequence

Country Status (8)

Country Link
US (1) US7151464B2 (es)
EP (2) EP1397576B1 (es)
JP (1) JP4112487B2 (es)
CN (1) CN1225593C (es)
AT (1) ATE548537T1 (es)
ES (2) ES2381661T3 (es)
FR (1) FR2825498B1 (es)
WO (1) WO2002097230A1 (es)

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CN1943281B (zh) * 2004-04-15 2012-08-15 皇家飞利浦电子股份有限公司 灯电极作为天线的使用
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US8575872B2 (en) 2010-02-23 2013-11-05 Homerun Holdings Corporation High efficiency roller shade and method for setting artificial stops
US8659246B2 (en) 2010-02-23 2014-02-25 Homerun Holdings Corporation High efficiency roller shade
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US8960260B2 (en) * 2011-11-01 2015-02-24 Homerun Holdings Corporation Motorized roller shade or blind having an antenna and antenna cable connection
US9047758B2 (en) 2013-03-14 2015-06-02 Dometic Corporation Solar powered energy module
WO2016120792A1 (en) * 2015-01-29 2016-08-04 Nice S.P.A. Tubular operator for rolling blinds
FR3113207B1 (fr) * 2020-07-31 2022-09-09 Somfy Activites Sa Boîtier d’alimentation de secours d’un actionneur électromécanique d’une installation de fermeture, d’occultation ou de protection solaire, caisson comprenant un tel boîtier et installation comprenant un tel caisson
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Also Published As

Publication number Publication date
US20040162040A1 (en) 2004-08-19
WO2002097230A1 (fr) 2002-12-05
EP2345789A1 (fr) 2011-07-20
FR2825498A1 (fr) 2002-12-06
ATE548537T1 (de) 2012-03-15
ES2381661T3 (es) 2012-05-30
EP1397576A1 (fr) 2004-03-17
EP1397576B1 (fr) 2012-03-07
JP2004527200A (ja) 2004-09-02
CN1225593C (zh) 2005-11-02
JP4112487B2 (ja) 2008-07-02
US7151464B2 (en) 2006-12-19
ES2567035T3 (es) 2016-04-19
CN1463320A (zh) 2003-12-24
FR2825498B1 (fr) 2003-09-26

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