EP0453781B1 - Méthode et dispositif de commande du déplacement de stores ou similaires - Google Patents

Méthode et dispositif de commande du déplacement de stores ou similaires Download PDF

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Publication number
EP0453781B1
EP0453781B1 EP91104630A EP91104630A EP0453781B1 EP 0453781 B1 EP0453781 B1 EP 0453781B1 EP 91104630 A EP91104630 A EP 91104630A EP 91104630 A EP91104630 A EP 91104630A EP 0453781 B1 EP0453781 B1 EP 0453781B1
Authority
EP
European Patent Office
Prior art keywords
awning
wind
positions
determined
control
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
EP91104630A
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German (de)
English (en)
Other versions
EP0453781A1 (fr
Inventor
Rolf Eberhard Dipl.-Ing. Häring (FH)
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
Priority to AT91104630T priority Critical patent/ATE100895T1/de
Publication of EP0453781A1 publication Critical patent/EP0453781A1/fr
Application granted granted Critical
Publication of EP0453781B1 publication Critical patent/EP0453781B1/fr
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Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • 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
    • E06B9/70—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E06B2009/6827—Control using sensors sensing light
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E06B2009/6863—Control using sensors sensing wind speed

Definitions

  • the invention relates to a method according to the preamble of claim 1 and a device according to the preamble of claim 11.
  • shading systems, awnings or other devices comparable to them for example roller shutters, roller shutters or the like, have a type of curtain or the awning cover, which is wound on a shaft and can be removed more or less completely from it, if desired .
  • thermosensitive sensors which are equipped with a heater for the purpose of wind sensing, which is at a distance from the sensors.
  • the zero position of the sensors and the heating is adjusted so that the wind that comes up removes all or part of the heat from the heating and the sensor delivers a switching pulse, but only a single switching pulse for the awning drive.
  • the special embodiment of such a temperature-sensitive wind detection sensor is such that two bimetal springs are provided, one of which is close to the heating resistor.
  • the bimetallic springs curve in the different degrees, so that a switch contact is actuated and the switching pulse for the awning drive is formed.
  • both bimetal springs deform simultaneously and evenly, so that such a function, which occurs, for example, in intense sunlight, can be used to control the angular position of the awning cover.
  • This known guard control is therefore designed so that when the wind speed exceeds a predetermined value that corresponds to a no longer acceptable wind load of the amount of awning extended, the awning drive motor is controlled by the control so that the awning is retracted completely.
  • the known control unit can therefore only work according to the principle of "awning fully extended / awning fully retracted", which leads to the disadvantage that the primary function of the awning as a sun protection system can very often not be fulfilled, because of the necessarily fast even in weak winds Response of the control unit to protect the fully extended awning cover against damage.
  • awning In connection with shading systems or awnings, and in the following the term awning is used exclusively, without this being to be understood as being restrictive with regard to other possible applications of the present invention, more automated control systems are also known, which when they are in the automated operating mode are, depending on whether the sun is shining or not, extend the awning, the sunshine exposure by means of suitable photo sensors or the like. can be detected.
  • the present invention has for its object to increase the useful life of an awning, namely even if a wind force effect is determined that would otherwise lead to the awning being completely retracted, and at the same time ensure that, regardless of the operating mode in which the awning control is operated (automatically or manually), the respective wind force effect is always given priority , it is ensured under all circumstances that wind forces do not damage the awning or the awning cover.
  • the invention solves this problem with the characterizing features of claims 1 and 11 and has the advantage that the awning maintains its function as a sun protection system even if a wind speed of a certain strength occurs at the same time, to which the control must necessarily react.
  • the control system decides that the awning is retracted, but only up to such a position that the then correspondingly reduced fabric surface can easily absorb the wind load, so that it remains safely undamaged.
  • a correspondingly partial retracted awning can therefore have a larger, sometimes much greater wind resistance while maintaining its function as a sun protection system.
  • the reaction and the inclusion of the wind data have absolute priority in the entire control mechanism of the awning, i. H.
  • the awning can only be extended as far as is ensured on the basis of stored comparison values or when adjusting basic values that the awning wind resistance can withstand the load.
  • the extending awning then stops automatically at predetermined points, even if the extend command is maintained.
  • This also applies to the fully automatic operating sequence of an awning, that is to say those awnings which, when switched manually into this fully automatic operating mode, automatically extend when the sun exposure lasts for a predetermined period of time. In this case too, the respective wind speed is included in the extension process and the end position of the awning is determined from the wind load that can still be tolerated.
  • a quick shutdown has a mechanical memory that stores the position of the winding shaft up to a predetermined number (e.g. 10 revolutions) beyond an actual shutdown point.
  • a limit switch for storing the two middle intermediate positions these can be freely set by the end user.
  • the adjustment of these positions is not critical because, in addition to being freely adjustable, the respective wind speeds to which they are based always vary within a predetermined range, so that it is neither expedient nor necessary to work with more precise values.
  • the awning control unit thus formed is then able to preselect four different positions of the awning with the four position sensors present, depending on the correspondingly quantized wind speeds, for example, detected by an anemometer .
  • the basic idea of the present invention is to create intermediate positions in a motor-driven awning or shading system, which are related to the prevailing wind speed and thus to ensure that the optimal function as a sun protection system is maintained, while at the same time optimal protection of the awning against acting wind load.
  • a preferred embodiment of the present invention comprises the quantized, i.e. step-by-step adjusting movement of the awning over the entire stroke of the extension movement, so that, in addition to the two anyway in the control area of a motor-driven awning, as shown in more detail in a simplified exemplary embodiment explained below integrated limit switches (retracted position - maximum extended position)
  • Intermediate position sensors are provided, which here detect two intermediate positions E2 and E3 in addition to the fully retracted end position E1 and the fully extended end position E4 (FIG. 1).
  • two additional sensors are provided, which, in a simplified embodiment, are designed and switched so that a sensor responsive to the position E2 adjacent to the winding tube then supplies a high, i.e. electrical, signal from 0 to high (high) when it is retracted Position E2 is exceeded; the sensor then maintains the high output signal, the sensor output signal changing from high to 0 when extending E2 in this extending direction.
  • a sensor responsive to the position E2 adjacent to the winding tube then supplies a high, i.e. electrical, signal from 0 to high (high) when it is retracted Position E2 is exceeded; the sensor then maintains the high output signal, the sensor output signal changing from high to 0 when extending E2 in this extending direction.
  • the second position sensor then serves to determine the intermediate position E3, which is located approximately between position E2 and the fully extended end position E4, as indicated in FIG. 1, and is designed such that it changes a high-level output signal to 0 when retracting and in the opposite direction when extending Direction, wherein, as can also be seen from the illustration in FIG. 1, the signal of the intermediate sensor for position E2, which is referred to below as sensor S E2 , is high between positions E1 and E2 and zero value between positions E2 to E4 has, while the sensor S E3 from position E1 to position E3 has a zero value and is high between E3 and E4.
  • constant sensor signals are necessarily present, which, as shown in FIG. 4, can be discriminated for determining the position of the awning, while in the second case the sensor signals have a jumping behavior when positions E2 or E3 are reached or exceeded, that is to say either decrease or go up so that the corresponding drive control signals for the motor can be obtained in this way.
  • the two intermediate sensors can be designed in any way; it is preferably an electromechanical switch which responds to a predetermined number of revolutions of the winding shaft and then changes to its other switching state.
  • FIG. 3 A simplified flow chart, which shows the basic control sequence according to the invention in one possible implementation form is shown in Fig. 3; Starting from a wind sensor block, which is explained in more detail below with reference to FIG. 5 and which provides an analog control circuit or a microprocessor, for example four setpoint values for the awning position, which are dependent on the respective wind strength, it is first determined at decision block II that whether the awning control system is in automatic mode or whether manual intervention has taken place or is in progress.
  • decision block III can be used to determine whether the sun is shining or not. If there is no solar radiation, the awning is retracted via circuit block IV; if the sun is shining, the awning is commanded to move to block V, but taking into account the wind conditions, which have absolute priority. Decision block VI therefore determines whether wind is present or not; if this is the case, the setpoint position x p prescribed by the sensor block I in accordance with the wind conditions is compared with the actual actual value position x ist . If the actual value position is above the desired value position, the control unit determines via circuit block VI that the awning is retracted until decision block VII determines that the actual value position of the awning essentially corresponds to the wind speed desired value position.
  • the loop returns to the input of decision block V and constantly monitors whether the actual position of the awning now taken still corresponds to the wind conditions or whether the position has to be reduced further when the wind is refreshing.
  • a further decision block can follow after completion of a first retracting operation of the awning, which is designated VIII and determines whether it will soon be possible to extend the awning again if the wind decreases or goes towards 0.
  • this decision block VIII is equipped in such a way that an extension command is only issued if the position setpoint given by the current wind speed is one step higher than the actual position of the awning, so that it actually moves to the next higher step, for example from the Can move position E2 to position E3 or from this to position E4.
  • an extension command is issued to the next position level in accordance with block IX and, at the same time, the loop is formed to the input of block IV, which compares the new actual awning position with the new, wind-related new awning setpoint position.
  • control system determines at decision block X whether the awning is extended; when it is extended, the circle closes at the entrance to decision block VI.
  • converted position output signals x p , x p-1 selectively reach high potential or it is also possible to have a common output signal to create, which has a different amplitude value depending on the wind speed, with which then continue to work - For example, an output voltage of 0 volts can be generated when there is no wind, 2 volts in weak winds, 4 volts in medium winds and immediately.
  • the actual value of the awning position can be determined in accordance with the illustration in FIG. 4, which roughly corresponds to a flow chart; a first decision block XI determines whether the awning is extended at all, which can be determined by one of the limit switches, which is present anyway; If this limit switch has responded (awning completely retracted), then the awning position is determined according to FIG. 1 to E1 and a corresponding output path signal can be x o .
  • the sensor signal S E3 is checked; if this is high, for example, the awning must be between positions E3 and E4; If there is a zero potential at sensor S3, it is then determined whether sensor S2 shows high potential. If this is the case, the awning is between the positions E2 and E3, while if the sensor S2 also shows zero potential, the awning must necessarily be between the positions E2 and E3.
  • This position determination allows a problem-free evaluation of the sensor signals and the creation of the corresponding extend or retract commands by the control unit, the position determination of FIG. 4 starting from a steady state and the Determination also allows any intermediate position of the awning. From the output signals obtained in this way, it is then determined whether these correspond to the respective wind-determined setpoint position signals x p - if there are differences, the awning moves to the next position in each case.
  • the control unit reacts to the signal change, i.e. the edge in the output signals of the intermediate position sensors S E2 and S E3 , and in this case, for example when the awning is extended, immediately stops after passing position E2 when the corresponding wind-determined position signal predominantly indicates average wind which only allows an extension to this position.
  • a memory for example an EPROM
  • control decisions to which the respective operating states, i.e. wind-determined awning setpoints and position-specific awning actual values, and, when switching to automatic operation, a signal as to whether solar radiation is present, are fed to its inputs and address which then specifies the output control signals according to its addressed, stored values.
  • a logic control circuit including a suitable diode matrix coding circuit or a microprocessor with memory (EPROM) or also another logic control circuit which has semiconductor switches 11 connected in series at its two outputs (for extending the awning) or 11 '(for retracting the awning) issues the control commands, which then cause the drive motor to be controlled in one or the other direction of rotation via downstream relay circuits 12 or 12'.
  • the sensor Since the entrance movement and the exit movement of the awning each act on the intermediate position sensors S2 and S3 in different ways - the sensor jumps in its output signal either from high to low or vice versa - it can make sense to add memory depending on the entry or exit movement set, each of which maintains one or the other switching state until the respective sensor is "run over" in the opposite direction - this also makes sense if the response of the sensors is only triggered by the awning movement, that is, a triggering that takes place on further The run goes out again.
  • position sensors can be designed in a variety of ways and do not necessarily have to be physically present individual switches.
  • a preferred possibility for realizing position sensors could also be, for example, Incremental encoder controlled by the winding shaft speed or simply to provide a counter which emits a signal E1, E2, E3 ... corresponding to the actual position of the awning when certain counter readings are reached.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Building Awnings And Sunshades (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Control Of Position Or Direction (AREA)

Claims (12)

  1. Méthode de commande de position et de surveillance d'une installation de stores, d'une marquise ou de tout autre rideau susceptible d'être enroulé, la marquise étant commandée manuellement ou automatiquement par un moteur en fonction du rayonnement solaire incident et de la vitesse du vent, pour être rentrée ou sortie, caractérisée en ce que l'on détecte la valeur de la charge de vent appliquée que l'on transforme en une valeur de consigne de la position (xp) de la marquise en fonction de la charge de vent, et on rapporte cette valeur à une position dans la trajectoire en fonction d'une quantité déterminée de toile du store qui est chaque fois sortie ou rentrée, et on commande le moteur du store par un dispositif de commande pour que, suivant l'intensité de la vitesse du vent, le store soit partiellement rentré ou que l'on évite un dépassement de la quantité de toile encore autorisée par commande manuelle ou automatique de sortie, la position de la valeur de consigne (xp) du store, prédéterminée à partir de la valeur réelle de la vitesse du vent, est absolument prioritaire par rapport à tout mouvement de sortie manuel ou automatique lorsqu'il y a du rayonnement solaire, de façon que le store ne puisse sortir que dans une position qui correspond à celle de la charge de vent encore acceptable.
  2. Méthode selon la revendication 1, caractérisée en ce qu'on quantifie à la fois la détection des paramètres de charge du vent et celle de la position du store pour que les mouvements de rentrée et de sortie du store se fassent de manière échelonnée.
  3. Méthode selon la revendication 1 ou 2, caractérisée en ce qu'en supposant la présence chaque fois d'un commutateur de fin de course pour la position maximale rentrée ou maximale sortie (E1, E4), la marquise passe au moins dans deux positions intermédiaires (E2, E3), et des capteurs détectent que, lors du mouvement de sortie ou de rentrée du store, le signal émis au moment du passage de la position intermédiaire prédéterminée, change chaque fois brusquement dans une ou dans l'autre direction.
  4. Méthode selon l'une des revendications 1 à 3, caractérisée en ce que le store, en fonctionnement automatique, est sorti automatiquement avec détection du rayonnement solaire, jusqu'à une position de fin de course prédéterminée par les positions des valeurs de consigne rapportées au vent.
  5. Méthode selon l'une des revendications 1-4, caractérisée en ce qu'en l'absence de rayonnement solaire, le store est de nouveau rentré après un certain temps de temporisation prédéterminé.
  6. Méthode selon l'une des revendications 1-5, caractérisée en ce que les indications de position de valeurs réelles fournies par les capteurs intermédiaires (S2, S3) se règlent librement.
  7. Méthode selon l'une des revendications 1-6, caractérisée en ce qu'on détecte de manière échelonnée la vitesse mesurée du vent et on la transforme en des grandeurs de valeurs de consigne de position, définies par le vent, pour le store.
  8. Méthode selon la revendication 7, caractérisée en ce que les grandeurs des valeurs de consigne de position (xp) définies par le vent, sont disponibles sous forme numérique sur des lignes parallèles et constituent les adresses avec les signaux de sortie numériques des capteurs intermédiaires, ces adresses étant fournies au circuit de décodage ou à des mémoires pour générer les ordres de commande respectifs du moteur du tube d'enroulement du store.
  9. Méthode selon l'une des revendications 1-8, caractérisée en ce que l'on exploite les différents signaux de sortie des capteurs intermédiaires et on les utilise pour déterminer l'état de position stationnaire du store de façon à obtenir chaque fois des signaux de sortie pour les positions intermédiaires du store qui sont comparées aux positions selon les valeurs de consigne, définies par le vent, pour le store.
  10. Méthode selon l'une des revendications 1-9, caractérisée en ce que les différentes positions réelles du store sont détectées en continu par des capteurs incrémentaux ou des moyens analogues, et donnent un signal de valeur réelle lorsqu'on atteint des positions prédéterminées.
  11. Dispositif pour la commande de position et la surveillance d'une installation de protection solaire, d'un store ou autre rideau susceptible d'être enroulé, par un appareil de commande recevant des signaux de capteurs concernant le rayonnement solaire, la vitesse du vent et la position du store pour définir ainsi l'état de commande du moteur du tube d'enroulement du store, dispositif caractérisé en ce qu'en plus des deux capteurs de positions intermédiaires (S2, S3), on utilise des commutateurs de fin de course indiquant la position maximale rentrée et la position maximale sortie, ainsi que des circuits de comparaison (A, B, C) qui distinguent entre au moins deux vitesses de vent différentes, et on dérive des positions de valeurs de consigne (xp) du store déterminées en fonction du vent, et un circuit de commande logique est prévu dans le dispositif de commande du moteur d'entraînement du store, qui, en partant des signaux de position ainsi fournis des valeurs de consigne de store rapportées au vent, et des signaux de position de valeurs réelles du store fournis par les capteurs intermédiaires, forme un signal de commande du store destiné au moteur, qui garantit qu'indépendamment d'une action automatique ou manuelle de la commande du store, le store est ramené à la valeur de consigne de position extrême, définie par le vent, ou que le store ne dépasse pas cette valeur lors d'une commande de sortie.
  12. Dispositif selon la revendication 11, caractérisé en ce que les capteurs de positions intermédiaires (S2, S3) sont réglables librement.
EP91104630A 1990-03-23 1991-03-23 Méthode et dispositif de commande du déplacement de stores ou similaires Expired - Lifetime EP0453781B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91104630T ATE100895T1 (de) 1990-03-23 1991-03-23 Verfahren und vorrichtung zur positionssteuerung und -ueberwachung einer markise od. dgl.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4009373A DE4009373A1 (de) 1990-03-23 1990-03-23 Verfahren und vorrichtung zur positionssteuerung und -ueberwachung einer markise o. dgl.
DE4009373 1990-03-23

Publications (2)

Publication Number Publication Date
EP0453781A1 EP0453781A1 (fr) 1991-10-30
EP0453781B1 true EP0453781B1 (fr) 1994-01-26

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EP91104630A Expired - Lifetime EP0453781B1 (fr) 1990-03-23 1991-03-23 Méthode et dispositif de commande du déplacement de stores ou similaires

Country Status (6)

Country Link
US (1) US5225748A (fr)
EP (1) EP0453781B1 (fr)
JP (1) JP2657000B2 (fr)
AT (1) ATE100895T1 (fr)
DE (2) DE4009373A1 (fr)
WO (1) WO1991014849A1 (fr)

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ATE100895T1 (de) 1994-02-15
DE4009373A1 (de) 1991-09-26
US5225748A (en) 1993-07-06
JP2657000B2 (ja) 1997-09-24
DE59100929D1 (de) 1994-03-10
WO1991014849A1 (fr) 1991-10-03
DE4009373C2 (fr) 1993-01-07
EP0453781A1 (fr) 1991-10-30
JPH04506387A (ja) 1992-11-05

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