EP1319795B1 - Tube drive apparatus with control system in a shading or darkening device - Google Patents
Tube drive apparatus with control system in a shading or darkening device Download PDFInfo
- Publication number
- EP1319795B1 EP1319795B1 EP02028289.3A EP02028289A EP1319795B1 EP 1319795 B1 EP1319795 B1 EP 1319795B1 EP 02028289 A EP02028289 A EP 02028289A EP 1319795 B1 EP1319795 B1 EP 1319795B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shading
- tubular drive
- drive according
- motor
- darkening
- 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
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Classifications
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- 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
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- 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
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
- E06B9/86—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against unauthorised opening
Definitions
- the invention relates to a controlled tubular drive a shading or darkening element, such as Clarbahbehanges of textile material, or a roller shutter, wherein the shading or darkening element is rollable on a winding shaft and a closure rail and optionally a locking mechanism for the unrolled position, wherein the Control is provided with a commander for starting the rolling or rolling movement.
- a shading or darkening element such as Clarbahbehanges of textile material, or a roller shutter
- a controlled tubular drive according to the preamble of claim 1 is known from EP-A 0 315 036 known.
- a locking mechanism for the terminus rail is provided there.
- pivotable elements or hooks on the end rail interact with stationary locking elements in the guide rails.
- the locking then takes place so that the hooks of the closure rail when rolling the cloth over the stationary locking elements in the guide rails pass away and then in a short reversing movement of the cloth in the Engage locking elements, which stops the end rail and the cloth is stretched and tightened by the further movement of the engine.
- This clamping can only be done by a counter-movement.
- the closing rail is moved to a lower position.
- the drive is reversed, causing the drive to run in reverse, the locking elements engage and the fabric is tensioned.
- the winding shaft For retracting the awning, the winding shaft is first set in the sense of lowering the drop bar in motion, thereby unlocking the detent gear takes place. Thereafter, the winding shaft is rotated in the sense of winding the awning fabric, whereby the lock is disengaged from the locking gear and the awning can be retracted freely.
- the individual movements of the cloth are realized in the prior art via external controls with predetermined time constants.
- a disadvantage of this prior art is that the drive and the control must always be set to the particular circumstances. Often there is no sufficient process reliability. Also, the attitude for the fitter - especially if it is not trained personnel - proves to be quite difficult and time consuming. Another disadvantage is the stress on the cloth, which is loaded with the rated torque of the drive. Through this strong stretching, the cloth loses its elasticity and can be overstretched.
- the object of the invention is therefore to propose a controlled tubular drive for a shading or darkening element of the type mentioned, which is easily adjustable on the one hand for unskilled fitters and on the other hand, not overstretched even in years of operation, the shading or obscuring.
- the invention thus has two special features over the controls according to the prior art.
- the control moves regardless of whether an up or a move is desired, the shading or darkening element always in two directions when the unrolled end or the intended locking position is reached.
- the succession of rotational movements depends not only on the switch position or position of the commander, but also where the shading or darkening element (more precisely its end rail) is currently located (position control) and what resistance its further movement requires there (moment control).
- a position control and a torque control is used according to the invention, whereby the on-site initial setting is much easier - it can namely usually already specified by the factory.
- overstretching of the shading element is avoided by incorrect settings.
- the drive does not pull with the rated torque of the motor on the shading element, but only expands it by a certain, factory-set distance or up to a factory preset maximum torque, which or material is not overloaded, but is still sufficiently taut to flutter and rattling movements to avoid by the wind.
- Position control means that the control measures the position of the shading or darkening element of the blind or the end rail and uses this as a manipulated variable (as a trigger for switching on or off).
- Torque control means that the torque of the drive is measured and used as a manipulated variable. The torque control is particularly material-friendly, since a once preset voltage value is never exceeded.
- a combination of both controls is provided. This allows the shading or darkening element to reach a certain position be moved and then (after snapping) to a certain position or to a certain force (moment) to be withdrawn.
- incremental encoders are provided on the winding shaft for position determination. This allows a particularly favorable and accurate position determination. Any occurring elongations are compensated automatically, for example by means of a difference determination between an upper defined position and a lower defined position of the shading or darkening element.
- all devices or sensors suitable for this purpose can be used to measure the moment of the shading or darkening element or the end rail.
- the measurement of the torque to be applied can be done via force gauges or springs.
- the drive is an electric tubular motor used, which is housed together with gear in the winding shaft. This is a common technique that has been proven in many awnings or roller shutters.
- the invention is also applicable to blinds.
- the winding shaft above the building opening, so the window or door arranged so that when rolling the shading or darkening this building opening closed by gravity, for example, the screen so is approached, and ascended when rolling up the screen. It is also possible to reverse this arrangement, so that the winding shaft is below the window and the shading element is raised upwards, thereby closing the building opening. In this case, of course, gravity can not be the driving force, but a motor must pull the closing rail with the curtain from the wound position by means of a pull rope. It is also possible that the winding shaft is attached to the left or right of the opening and the curtain is pulled by a lateral movement.
- the left and right of the building opening guide rails for the end rail and / or for the Beschattungsrymoi obscuring element are provided. Guiding the end rail is recommended for longer running distances, especially for large windows or doors, so that a certainty and definition of the travel is given.
- a guide of the fabric in the side rail also seals laterally from the sun's rays and, with appropriate fabrics, even allows for an absolute eclipse of the room behind the window.
- a locking mechanism known per se which locks or releases when the direction of rotation.
- Such locking mechanisms are known from ballpoint pens or cabinet doors with vertical axis, as they are particularly used in kitchens, in various designs. Sliding in one direction is always possible (opening), while sliding over in the other direction (closing) is once locked (latching to hold open) and next time is released (closing).
- a latching mechanism which has a spring-loaded, pivotable cam on each side of the end rail.
- This cam cooperates with a nose on the building side as a detent element, which always allows the cam to slide over in one direction (downwards), whereas a movement in the other direction (upward) either leads to a locking or allows it to slide over depending on the position of the cam.
- the locking position and the end positions are normally provided in the vicinity of the unrolled end position. This means that the shading or darkening element is completely undisturbed or unwound over long distances of its travel, while a locking takes place in the end position.
- stop options are provided at intermediate positions, so that the curtain can also be locked there.
- a lock may be provided, so that the shading or darkening element partially shaded, but still sufficient light passes.
- the sensors for the position forward their information to an evaluation circuit, which in turn operates current reversing means, such as changeover relay, which supply the motor with the current in the desired polarity for ascending or descending.
- current reversing means such as changeover relay
- FIGS. 1 to 4 each show a Sonnenschutzbehang or Screen 2, which is rolled up on a above the building opening (window or door) winding shaft 4 and has at its lower end a cover rail 6.
- a motor 8 is provided in the winding shaft 4.
- the components transmission and control are not drawn here.
- the end rail 6 is guided in two guide rails 10, which are attached to the left and right of the building opening.
- the reference numerals P1, P2, P3 and P4 show four positions of the end rail 6, P1 corresponding to the wound-up position and the positions P2, P3 and P4 being in the vicinity of the shut-down end position.
- FIG. 1 Screen 2 is shown in a middle position.
- the building opening is approximately half hidden, and the curtain 2 is closed by a rotational movement of the motor 8 down. This rotational movement for closing was triggered by pressing a switch, not shown.
- FIG. 2 shows the curtain 2 a little later, namely after a further access, after the end rail 6 has passed the position P2 and has reached the position P3.
- the motor 8 is stopped according to the invention by the controller.
- the hanging 2 then remains (position-controlled) stand.
- This position (position P3) is so far down that the locking cams of the locking mechanism of the end rail 6 are already below the building-fixed lugs that prevent "snapping" of the curtain.
- Fig. 3 shows the further course of the Zufahrhik.
- the circuit polts the current to the motor 8 after stopping in position P3, as a result of which the curtain 2 is rearranged again in part. Now - in this countermovement - grab the noses in the stationary locking elements and the fabric of the curtain 2 is stretched by the short further movement of the motor 8 in the direction of approach.
- the end rail In the position in FIG. 4 is shown, the end rail is in the position P2, the lock is locked and prevents the end rail 6 further booting.
- the controller stops the motor either position-controlled or when reaching a certain maximum torque.
- the fabric is stretched with a predetermined tension and is therefore against rattling and others Wind noise protected. This is also the end position for the shut down curtain 2.
- the sequence of shutdown and the short startup and tensioning is carried out according to the invention automatically and position or torque controlled, without the operator person at the switch 18 must remain responsive or switch. Due to the small distance between P2 and P3, only a short, factory-set travel path in the opposite direction (or a rotation up to a preset torque) is given, so that an excessive loading or stretching of the fabric of the curtain 2 is avoided.
- FIGS. 5 to 7 show three different positions of the curtain 2 when driving (opening) by means of a controller according to the invention.
- Fig. 5 is shown the beginning of the Auffahrzi.
- the controller for the first time commands the motor 8 to drive “downwards", so that the closing rail 6 of the curtain 2 moves from position P2 to position P4, which is still slightly below the position P3 is located.
- the mechanism unlocks.
- the inhibiting cams are folded over so that they do not engage in the noses when driving past at positions P2 or P3, but slide over them.
- Fig. 6 shows the position of the end rail 6 of the curtain 2 in the lowest position P4.
- the controller stops the motor 8 (in this example by a position control) and polts via a relay or otherwise, the current is controlled so that the motor 8 changes its direction of rotation.
- the movements are not timed or even by the user, but automatically controlled.
- FIG. 7 It starts the actual upward movement. This is in FIG. 7 shown.
- the curtain 2 is wound up on its winding shaft 4 and releases the building opening.
- the end rail 6 moves up to the position P1, in which the motor 8 is stopped and the raising of the curtain 2 is completed. Again, a position control ("arrived at the top") or a torque control ("can not continue with reasonable force”) can be used again.
- the initial setting is easier than in the prior art. Since it is not working in reverse operation via torque changes or position detection, but over time constants, the individual time constants must be taught during initial setting (running time from top to bottom, running time from bottom to a few cm above the lock, running time slightly above the lock to the unlocking).
- the mechanic moves to the initial setting to the upper end position.
- the drive automatically detects the upper position P1.
- the fitter drives the drive via the position P3 into the lock.
- the circuit recognizes by means of torque change the lower position P2.
- Positions P3 and P4 are now set automatically by the drive. In the prior art, therefore, the fitters must therefore additionally set the path between position P1 and position P4.
- FIG. 8 shows an embodiment of a controller according to the invention.
- An electromechanical unit for opening and closing a sunshade curtain (screen 2) consists of a motor gear unit 12 and a control unit 14, which are mounted together in a housing 16.
- This housing 16 may preferably be located in the winding shaft for the screen 2.
- the control unit 14 is drawn again enlarged and contains a microprocessor ( ⁇ -controller) with read-only memory (ROM) and a writable, non-volatile memory (E 2 Prom).
- the microprocessor has an input for the data of the incremental transducer, thus knows the position of the screen 2, and receives commands from the command response logic.
- the output of the microprocessor is connected to a current loop logic.
- a single travel command (“up” or “down”) issued at the switch 18 causes the control unit 14 to move the curtain to certain positions (P1 to P4) while changing the directions of rotation, as described above.
- the positions were previously communicated to the control unit 14 in connection with the sole teach-in of the end positions of the curtain and stored in the non-volatile memory (E 2 Prom).
- the control unit 14 causes the motor gear unit 12 to initiate a rotation command cycle. which consists of at least two rotations undefined duration with different direction of rotation. Its start and end conditions are position-dependent and torque-dependent.
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- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Description
Die Erfindung betrifft einen gesteuerten Rohrantrieb eines Beschattungs- oder Verdunkelungselements, wie zum Beispiel Sonnenschutzbehanges aus textilem Material, oder eines Rollladens, wobei das Beschattung- oder Verdunkelungselement auf einer Wickelwelle aufrollbar ist und eine Abschlussschiene sowie gegebenenfalls einen Verriegelungsmechanismus für die abgerollte Stellung aufweist, wobei die Steuerung mit einem Befehlsgeber zum Starten der Aufroll- oder der Abrollbewegung versehen ist.The invention relates to a controlled tubular drive a shading or darkening element, such as Sonnenschutzbehanges of textile material, or a roller shutter, wherein the shading or darkening element is rollable on a winding shaft and a closure rail and optionally a locking mechanism for the unrolled position, wherein the Control is provided with a commander for starting the rolling or rolling movement.
Als Beschattungselemente kommen Sonnenschutzbehänge - sie werden auch Screens genannt -, wie beispielsweise Markisen, Jalousien oder dergleichen Sonnenschutzsysteme in Betracht, bei welchen anstelle eines Rollladens ein Blendschutz mittels eines Tuches erreicht wird. Das Tuch ist dabei an seinem einen Ende an einer Abschlussschiene eingefasst, welche seitlich in zugeordneten bauwerkseitigen Schienen geführt ist. Am anderen Ende ist das Tuch an einer Welle fixiert, deren Drehbewegung zu einer Aufroll- oder Abrollbewegung führt.As shading elements come Sonnenschutzbehänge - they are also called screens -, such as awnings, blinds or the like sun protection systems into consideration, in which instead of a shutter, a glare protection is achieved by means of a cloth. The cloth is bordered at its one end to a closing rail, which is guided laterally in associated building side rails. At the other end, the cloth is fixed to a shaft whose rotational movement leads to a rolling or rolling movement.
Ein gesteuerter Rohrantrieb gemäß dem Oberbegriff des Anspruches 1 ist aus der
Zur Betätigung eines solchen Verriegelungsmechanismus wird die Abschlussschiene in eine untere Stellung verfahren. Der Antrieb wird umgepolt, wodurch der Antrieb rückwärts läuft, die Verriegelungselemente einrasten und der Stoff gespannt wird.To operate such a locking mechanism, the closing rail is moved to a lower position. The drive is reversed, causing the drive to run in reverse, the locking elements engage and the fabric is tensioned.
Zum Einfahren der Markise wird die Wickelwelle zunächst im Sinne eines Absenkens der Fallstange in Gang gesetzt, wodurch eine Entriegelung des Rastgetriebes erfolgt. Danach wird die Wickelwelle im Sinne eines Aufwickelns des Markisentuches gedreht, wodurch die Verriegelung außer Eingriff mit dem Rastgetriebe gelangt und die Markise ungehindert eingefahren werden kann.For retracting the awning, the winding shaft is first set in the sense of lowering the drop bar in motion, thereby unlocking the detent gear takes place. Thereafter, the winding shaft is rotated in the sense of winding the awning fabric, whereby the lock is disengaged from the locking gear and the awning can be retracted freely.
Die einzelnen Verfahrbewegungen des Tuches werden beim Stand der Technik über externe Steuerungen mit vorgegebenen Zeitkonstanten realisiert.The individual movements of the cloth are realized in the prior art via external controls with predetermined time constants.
Nachteilig bei diesem Stand der Technik ist, dass der Antrieb und die Steuerung stets auf die jeweiligen Gegebenheiten eingestellt werden müssen. Oft ist dabei keine ausreichende Prozesssicherheit gegeben. Auch erweist sich die Einstellung für den Monteur - gerade wenn es sich nicht um geschultes Personal handelt - als recht schwierig und zeitaufwendig. Ein weiterer Nachteil ist die Beanspruchung des Tuches, welches mit dem Nennmoment des Antriebs belastet wird. Durch diese starken Dehnungen verliert das Tuch seine Elastizität und kann überdehnt werden.A disadvantage of this prior art is that the drive and the control must always be set to the particular circumstances. Often there is no sufficient process reliability. Also, the attitude for the fitter - especially if it is not trained personnel - proves to be quite difficult and time consuming. Another disadvantage is the stress on the cloth, which is loaded with the rated torque of the drive. Through this strong stretching, the cloth loses its elasticity and can be overstretched.
Aus der
Aus der
Aufgabe der Erfindung ist es daher, einen gesteuerten Rohrantrieb für ein Beschattungs- oder Verdunklungselement der eingangs genannten Art vorzuschlagen, der einerseits auch für ungelernte Monteure leicht einstellbar ist und andererseits auch im langjährigen Betrieb das Beschattungs- beziehungsweise Verdunkelungselement nicht überdehnt.The object of the invention is therefore to propose a controlled tubular drive for a shading or darkening element of the type mentioned, which is easily adjustable on the one hand for unskilled fitters and on the other hand, not overstretched even in years of operation, the shading or obscuring.
Diese Aufgabe wird erfindungsgemäß gelöst durch einen gesteuerten Rohrantrieb mit den Merkmalen des Anspruches 1.This object is achieved by a controlled tubular drive with the features of
Die Erfindung weist also zwei Besonderheiten gegenüber den Steuerungen nach dem Stand der Technik auf. Zum einen fährt die Steuerung ganz gleich, ob eine Aufbewegung oder eine Zubewegung gewünscht ist, den Beschattungs- oder Verdunklungselement stets in zwei Richtungen, wenn die abgerollte End- oder die vorgesehene Verriegelungslage erreicht ist. Zum anderen hängt die Aufeinanderfolge der Drehbewegungen (auf-ab oder ab-auf) nicht allein von der Schalterstellung beziehungsweise Stellung des Befehlsgebers ab, sondern auch davon, wo sich das Beschattungs- oder Verdunklungselement (genauer gesagt seine Abschlussschiene) gerade befindet (Positionssteuerung) und welchen Widerstand seine Weiterbewegung dort erfordert (Momentensteuerung).The invention thus has two special features over the controls according to the prior art. On the one hand, the control moves regardless of whether an up or a move is desired, the shading or darkening element always in two directions when the unrolled end or the intended locking position is reached. On the other hand, the succession of rotational movements (up-down or down-up) depends not only on the switch position or position of the commander, but also where the shading or darkening element (more precisely its end rail) is currently located (position control) and what resistance its further movement requires there (moment control).
Während bei einfachen Steuerungen das Zufahren des aufgerollten Behanges durch Verstellen eines Schalters in die Zu-Stellung und eine Drehbewegung der Wickelrolle nur in die Abrollrichtung erfolgt, wird erfindungsgemäß beim Verstellen des Befehlsgebers oder des Schalters in die Zu-Stellung ein Abfahren und dann ein positions- und momentengesteuertes Auffahren in der Nähe der Endlage oder der Verriegelungsposition durchgeführt.While in simple controls, the retraction of the rolled-up curtain by adjusting a switch in the closed position and a rotational movement of the winding roll only in the unwinding direction, according to the invention when adjusting the command generator or the switch in the on position, a shutdown and then a position- and torque-controlled driving carried out in the vicinity of the end position or the locking position.
Während bei einfachen Steuerungen das Auffahren des abgerollten Behanges durch Verstellen des Schalters in die Auf-Stellung und durch eine alleinige Drehbewegung der Wickelrolle nur in die Aufrollrichtung erfolgt, erfolgt erfindungsgemäß beim Verstellen des Befehlsgebers in die Auf-Stellung aus einer Verriegelungsstellung erst ein kurzes, positions- und momentengesteuertes Abfahren und ein darauffolgendes Auffahren.While in simple controls the unrolling of the unrolled curtain by adjusting the switch in the open position and by a sole rotational movement of the winding roll only in the retraction, according to the invention when adjusting the command generator in the up position from a locking position is only a short, positions - and torque-controlled shutdown and a subsequent startup.
Anstelle der Zeitsteuerung nach dem oben genannten Stand der Technik wird erfindungsgemäß eine Positionssteuerung und eine Momentensteuerung verwendet, wodurch die bauseitige Ersteinstellung wesentlich einfacher wird - sie kann nämlich in der Regel schon vom Werk vorgegeben sein. Zudem wird ein Überdehnen des Beschattungselementes durch fehlerhafte Einstellungen vermieden. Der Antrieb zieht nämlich nicht mit dem Nennmoment des Motors am Beschattungselement, sondern dehnt ihn nur um eine gewisse, werkseitig vorgegebene Strecke oder bis zu einem werkseitig vorgegebenen Maximalmoment, wodurch beziehungsweise Stoff nicht überlastet wird, aber dennoch ausreichend gespannt ist, um Flatter- und Klapperbewegungen durch den Wind zu vermeiden.Instead of the timing according to the above-mentioned prior art, a position control and a torque control is used according to the invention, whereby the on-site initial setting is much easier - it can namely usually already specified by the factory. In addition, overstretching of the shading element is avoided by incorrect settings. The drive does not pull with the rated torque of the motor on the shading element, but only expands it by a certain, factory-set distance or up to a factory preset maximum torque, which or material is not overloaded, but is still sufficiently taut to flutter and rattling movements to avoid by the wind.
Erfindungsgemäß werden die Stoppbefehle oder die Wendebefehle nicht zeitgesteuert, sondern positions- und momentengesteuert gegeben. Positionssteuerung heißt, dass die Steuerung die Position des Beschattungs- beziehungsweise Verdunkelungselementes Behangs oder der Abschlussschiene misst und diese als Stellgröße (als Auslöser für ein Um- oder Abschalten) benutzt. Momentensteuerung heißt, dass das Drehmoment des Antriebs gemessen wird und als Stellgröße dient. Die Momentensteuerung ist besonders materialschonend, da ein einmal voreingestellter Spannungswert nie überschritten wird.According to the stop commands or the turn commands are not timed, but given position and torque controlled. Position control means that the control measures the position of the shading or darkening element of the blind or the end rail and uses this as a manipulated variable (as a trigger for switching on or off). Torque control means that the torque of the drive is measured and used as a manipulated variable. The torque control is particularly material-friendly, since a once preset voltage value is never exceeded.
Bei der Positionssteuerung fährt das Beschattungs- oder Verdunkelungselement jeweils bis zu bestimmten Positionen. Bei der Momentensteuerung verfährt das Beschattungs- oder Verdunkelungselement, bis ein gewisser Widerstand gegen Weiterbewegung auftritt.In position control, the shading or darkening element moves up to certain positions. In torque control, the shading or obscuring element moves until some resistance to further movement occurs.
Erfindungsgemäß ist eine Kombination aus beiden Steuerungen vorgesehen. So kann das Beschattungs- oder Verdunkelungselement bis zu einer bestimmten Position verfahren werden und dann (nach dem Einrasten) bis zu einer bestimmten Position oder bis zu einem bestimmten Kraftaufwand (Moment) zurückgezogen werden.According to the invention, a combination of both controls is provided. This allows the shading or darkening element to reach a certain position be moved and then (after snapping) to a certain position or to a certain force (moment) to be withdrawn.
Erfindungsgemäß sind Inkrementalgeber auf der Wickelwelle zur Positionsbestimmung vorgesehen. Dies erlaubt eine besonders günstige und genaue Positionsbestimmung. Eventuell auftretende Längungen werden automatisch ausgeglichen, zum Beispiel mittels einer Differenzermittlung zwischen einer oberen definierten Stellung und einer unteren definierten Stellung des Beschattungs- oder Verdunkelungselementes.According to the invention, incremental encoders are provided on the winding shaft for position determination. This allows a particularly favorable and accurate position determination. Any occurring elongations are compensated automatically, for example by means of a difference determination between an upper defined position and a lower defined position of the shading or darkening element.
Zur Momentenmessung des Beschattungsbeziehungsweise Verdunkelungselement oder der Abschlussschiene können prinzipiell alle dafür geeigneten Geräte oder Sensoren eingesetzt werden. Die Messung des aufzubringenden Moments kann über Kraftmesser oder Federn erfolgen. Der Antrieb ist ein elektrischer Rohrmotor verwendet, der samt Getriebe in der Wickelwelle untergebracht ist. Dies ist eine weit verbreitete Technik, die sich in vielen Markisen oder Rolltoren bewährt hat.In principle, all devices or sensors suitable for this purpose can be used to measure the moment of the shading or darkening element or the end rail. The measurement of the torque to be applied can be done via force gauges or springs. The drive is an electric tubular motor used, which is housed together with gear in the winding shaft. This is a common technique that has been proven in many awnings or roller shutters.
Ersichtlich ist die Erfindung auch auf Rolläden anwendbar.Obviously, the invention is also applicable to blinds.
Nach einer Ausführungsform der Erfindung ist die Wickelwelle oberhalb der Gebäudeöffnung, also des Fensters oder der Tür, angeordnet, so dass beim Abrollen des Beschattungs- oder Verdunkelungselementes diese Gebäudeöffnung von der Schwerkraft geschlossen, beispielsweise der Screen also zugefahren wird, und beim Aufrollen der Screen aufgefahren wird. Ebenso ist es möglich, diese Anordnung umzukehren, so dass die Wickelwelle unterhalb des Fensters liegt und das Beschattungselement nach oben hin aufgezogen wird und dabei die Gebäudeöffnung verschließt. In diesem Fall kann selbstverständlich nicht die Schwerkraft die treibende Kraft sein, sondern ein Motor muss mittels eines Zugseils die Abschlussschiene mit dem Behang aus der aufgewickelten Stellung hochziehen. Ebenso ist es möglich, dass die Wickelwelle links oder rechts der Öffnung angebracht ist und der Vorhang durch eine seitliche Bewegung zugezogen wird.According to one embodiment of the invention, the winding shaft above the building opening, so the window or door, arranged so that when rolling the shading or darkening this building opening closed by gravity, for example, the screen so is approached, and ascended when rolling up the screen. It is also possible to reverse this arrangement, so that the winding shaft is below the window and the shading element is raised upwards, thereby closing the building opening. In this case, of course, gravity can not be the driving force, but a motor must pull the closing rail with the curtain from the wound position by means of a pull rope. It is also possible that the winding shaft is attached to the left or right of the opening and the curtain is pulled by a lateral movement.
Nach einer weiteren Ausführung der Erfindung sind links und rechts der Gebäudeöffnung Führungsschienen für die Abschlussschiene und/oder für das Beschattungsbeziehungsweise Verdunkelungselement vorgesehen. Eine Führung der Abschlussschiene empfiehlt sich bei längeren Laufwegen, insbesondere bei großen Fenstern oder Türen, damit eine Sicherheit und Definiertheit des Verfahrweges gegeben ist. Eine Führung des Behangstoffes in der Seitenschiene dichtet auch seitlich gegenüber der Sonnenstrahlung ab und erlaubt bei entsprechenden Stoffen sogar ein absolutes Verfinstern des Raumes hinter dem Fenster.According to a further embodiment of the invention the left and right of the building opening guide rails for the end rail and / or for the Beschattungsbeziehungsweise obscuring element are provided. Guiding the end rail is recommended for longer running distances, especially for large windows or doors, so that a certainty and definition of the travel is given. A guide of the fabric in the side rail also seals laterally from the sun's rays and, with appropriate fabrics, even allows for an absolute eclipse of the room behind the window.
Nach einer weiteren Ausführung der Erfindung wird ein an sich bekannter Rastmechanismus verwendet, der bei Drehrichtungswechsel verriegelt oder löst. Solche Rastmechanismen sind aus Kugelschreibern oder von Schranktüren mit vertikaler Achse, wie sie besonders in Küchen Verwendung finden, in unterschiedlichsten Ausführungen bekannt. Ein Darübergleiten in eine Richtung ist immer möglich (Öffnen), während beim Darübergleiten in der anderen Richtung (Schließen) einmal gesperrt ist (Einrasten zum Offenhalten) und das nächste Mal freigegeben ist (Schließen).According to a further embodiment of the invention, a locking mechanism known per se is used, which locks or releases when the direction of rotation. Such locking mechanisms are known from ballpoint pens or cabinet doors with vertical axis, as they are particularly used in kitchens, in various designs. Sliding in one direction is always possible (opening), while sliding over in the other direction (closing) is once locked (latching to hold open) and next time is released (closing).
Bevorzugt wird ein Rastmechanismus verwendet, der eine federbelastete, verschwenkbare Nocke auf jeder Seite der Abschlussschiene aufweist. Diese Nocke arbeitet mit einer gebäudeseitigen Nase als Rastelement zusammen, die ein Darübergleiten der Nocke in einer Richtung (abwärts) stets erlaubt, während eine Bewegung in der anderen Richtung (aufwärts) je nach Stellung der Nocke entweder zu einer Verriegelung führt oder ein Darübergleiten zulässt. Die Verriegelungsposition und die Endpositionen sind normalerweise in der Nähe der abgerollten Endstellung vorgesehen. Dies bedeutet, dass das Beschattungs- bzw. Verdunkelungselement über weite Strecken seines Verfahrweges völlig ungestört auf- oder zurollbar ist, während eine Verriegelung in der Endstellung erfolgt. Möglich ist jedoch auch, dass Stoppmöglichkeiten an Zwischenstellungen vorgesehen sind, so dass der Behang auch dort verriegelt werden kann. So kann zum Beispiel in der Hälfte des Verfahrweges eine Verriegelung vorgesehen sein, so dass das Beschattungs- bzw. Verdunkelungselement teilweise abschattet, aber noch ausreichend Licht durchlässt.Preferably, a latching mechanism is used, which has a spring-loaded, pivotable cam on each side of the end rail. This cam cooperates with a nose on the building side as a detent element, which always allows the cam to slide over in one direction (downwards), whereas a movement in the other direction (upward) either leads to a locking or allows it to slide over depending on the position of the cam. The locking position and the end positions are normally provided in the vicinity of the unrolled end position. This means that the shading or darkening element is completely undisturbed or unwound over long distances of its travel, while a locking takes place in the end position. However, it is also possible that stop options are provided at intermediate positions, so that the curtain can also be locked there. Thus, for example, in the half of the travel path, a lock may be provided, so that the shading or darkening element partially shaded, but still sufficient light passes.
In einer weiteren Ausführung der Erfindung leiten die Sensoren für die Position ihre Informationen an eine Auswerteschaltung, die ihrerseits Stromwendemittel, beispielsweise Wechselrelais, betreibt, die dem Motor den Strom in der gewünschten Polung für eine Auf- oder Abfahrt zuführen.In a further embodiment of the invention, the sensors for the position forward their information to an evaluation circuit, which in turn operates current reversing means, such as changeover relay, which supply the motor with the current in the desired polarity for ascending or descending.
Weitere Vorteile und Anwendungsmöglichkeiten der vorliegenden Erfindung ergeben sich anhand des in den Zeichnungen dargestellten Ausführungsbeispieles.Further advantages and possible applications of the present invention will become apparent from the embodiment illustrated in the drawings.
Es zeigen:
Figuren 1 bis 4- einen erfindungsgemäßen Bewegungsablauf beim Zufahren eines Sonnenschutzbehanges und
- Figuren 5 bis 7
- einen erfindungsgemäßen Bewegungsablauf beim Auffahren des gleichen Sonnenschutzbehanges
- und
-
eine Ausführung einer erfindungsgemäßen Steuerung.Figur 8
- FIGS. 1 to 4
- a movement sequence according to the invention when driving a Sonnenschutzbehanges and
- FIGS. 5 to 7
- a movement sequence according to the invention when driving up the same sun protection curtain
- and
-
FIG. 8 an embodiment of a controller according to the invention.
Die
In
In der Stellung, die in
Die Abfolge des Herunterfahrens und des kurzen Hochfahrens und Spannens erfolgt erfindungsgemäß selbsttätig und positions- oder momentengesteuert, ohne dass die Bedienerperson am Schalter 18 bleiben, reagieren oder umschalten muss. Durch den geringen Abstand von P2 und P3 ist nur ein kurzer, werksseitig vorgegebener Verfahrweg in Gegenrichtung (oder eine Verdrehung bis zu einem voreingestellten Drehmoment) vorgegeben, so dass ein übermäßiges Belasten oder Dehnen des Stoffes des Behangs 2 vermieden wird.The sequence of shutdown and the short startup and tensioning is carried out according to the invention automatically and position or torque controlled, without the operator person at the
Die
In
Es beginnt die eigentliche Aufwärtsbewegung. Dies ist in
Neben der einfachen und materialschonenden Bedienung des Behangs während der Benutzungsdauer ist auch die Ersteinstellung einfacher als beim Stand der Technik. Da dort nicht im Reversierbetrieb über Momentenänderungen oder Positionserfassung gearbeitet wird, sondern über Zeitkonstanten, müssen bei der Ersteinstellung die einzelnen Zeitkonstanten eingelernt werden (Laufzeit von oben nach unten, Laufzeit von unten bis einige cm über der Verriegelung, Laufzeit etwas über der Verriegelung bis in die Entriegelung).In addition to the simple and material-friendly operation of the blind during the period of use, the initial setting is easier than in the prior art. Since it is not working in reverse operation via torque changes or position detection, but over time constants, the individual time constants must be taught during initial setting (running time from top to bottom, running time from bottom to a few cm above the lock, running time slightly above the lock to the unlocking).
Bei der Erfindung hingegen fährt der Monteur zur Ersteinstellung die obere Endlage an. Beispielsweise mittels der dort auftretenden Momentenänderung erkennt der Antrieb die obere Position P1 automatisch. Dann fährt der Monteur den Antrieb über die Position P3 in die Verriegelung. Dort erkennt die Schaltung mittels Momentänderung die untere Position P2.In the invention, however, the mechanic moves to the initial setting to the upper end position. For example, by means of the torque change occurring there, the drive automatically detects the upper position P1. Then the fitter drives the drive via the position P3 into the lock. There, the circuit recognizes by means of torque change the lower position P2.
Die Positionen P3 und P4 setzt der Antrieb nun automatisch. Beim Stand der Technik müssen die Monteure daher zusätzlich den Weg zwischen Position P1 und Position P4 einstellen.Positions P3 and P4 are now set automatically by the drive. In the prior art, therefore, the fitters must therefore additionally set the path between position P1 and position P4.
Ein einziger am Schalter 18 abgesetzter Fahrbefehl ("auf" oder "ab") veranlasst die Steuereinheit 14, den Behang an bestimmte Positionen (P1 bis P4) zu verfahren und dabei die Drehrichtungen zu wechseln, wie weiter oben beschrieben wurde. Dabei waren die Positionen zuvor der Steuereinheit 14 in Zusammenhang mit dem alleinigen Einlernen der Endpositionen des Behangs mitgeteilt und im nichtflüchtigen Speicher (E 2 Prom) hinterlegt worden. Die Steuereinheit 14 veranlasst die Motorgetriebeeinheit 12, einen Drehbefehlszyklus einzuleiten, der aus mindestens zwei Drehbewegungen undefinierter Dauer mit unterschiedlicher Drehrichtung besteht. Seine Start- und Endbedingungen sind positionsabhängig und momentenabhängig.A single travel command ("up" or "down") issued at the
Claims (7)
- Controlled tubular drive of a shading or darkening element, such as for example a sunshade of textile material, in particular a screen (2), or a roller blind, the shading or darkening element being able to be rolled up on a winding shaft (4) and having an end bar (6) and a locking mechanism for the unrolled position, the control being provided with a command switch (18) for starting the rolling-up or unrolling movement, characterized in that the control has a control unit (14), which on the basis of a manipulated variable for the position of the element and the torque of the tubular drive and in response to just one actuation of the command switch carries out at least two movements of the shading element in different directions, an incremental encoder being provided for the positional determination.
- Tubular drive according to Claim 1, characterized in that it has an electric motor (8), in particular a tubular motor, arranged in the winding shaft (4).
- Tubular drive according to one of the preceding claims, characterized in that the winding shaft (4) is arranged above the opening in the building and in that, when unrolling over the opening in the building, the shading or darkening element (2) is closed by the force of gravity and, when rolling up, is moved up by the force of the motor.
- Tubular drive according to one of the preceding claims, characterized in that guide rails (10) for the end bar (6) and/or for the shading or darkening element (2) are provided to the left and right of the opening in the building.
- Tubular drive according to one of the preceding claims, characterized in that the locking mechanism locks or releases when there is a change in the direction of rotation.
- Tubular drive according to one of the preceding claims, characterized in that an evaluation circuit and a centre-zero relay are provided for the activation of the motor (8).
- Tubular drive according to one of the preceding claims, characterized in that the control unit (14) has a writable, nonvolatile memory (E2 PROM) for storing positions (P1 - P4) of an end bar of the shading or darkening element (2) and a logic for carrying out a rotation command cycle, which carries out at least two different rotational movements in response to a single control command.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10162034 | 2001-12-17 | ||
DE10162034 | 2001-12-17 |
Publications (3)
Publication Number | Publication Date |
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EP1319795A2 EP1319795A2 (en) | 2003-06-18 |
EP1319795A3 EP1319795A3 (en) | 2004-02-04 |
EP1319795B1 true EP1319795B1 (en) | 2014-04-02 |
Family
ID=7709578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02028289.3A Expired - Lifetime EP1319795B1 (en) | 2001-12-17 | 2002-12-17 | Tube drive apparatus with control system in a shading or darkening device |
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EP (1) | EP1319795B1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2877109B1 (en) | 2004-10-25 | 2007-01-19 | Somfy Sas | METHOD FOR IMPROVING A MOTORIZED SCREEN AND MOTORIZED SCREEN FOR ITS IMPLEMENTATION |
DE102007006396A1 (en) † | 2007-02-05 | 2008-08-07 | Provita Gmbh | Motor drive device stop controlling device for e.g. roller blind, has sensors for detecting relative change of local position or temporal sequence of periodic signals delivered from signal generators |
EP3470617B1 (en) * | 2017-10-16 | 2020-09-23 | Somfy Activites Sa | Method for automated control of a roller shutter installation and roller shutter installation |
FR3078358A1 (en) * | 2018-02-26 | 2019-08-30 | Somfy Activites Sa | AUTOMATED CONTROL METHOD FOR A ROLLER SHUTTER INSTALLATION |
FR3072411B1 (en) * | 2017-10-16 | 2019-10-11 | Somfy Activites Sa | METHOD FOR ADJUSTING A ROLLING SHUTTER INSTALLATION HAVING A LATCH |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0845572A1 (en) * | 1996-11-27 | 1998-06-03 | Finvetro S.r.l. | Device for controlling and actuating the stroke of light-blocking means in a double-glazing unit |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3737707A1 (en) | 1987-11-06 | 1989-05-24 | Clauss Markisen | LOCKABLE UPPER AWNING |
EP0657795A3 (en) * | 1993-12-04 | 1996-09-04 | Braselmann Klaus Andre | Device for the control of movable equipment such as roller doors or similar. |
DE19519020A1 (en) * | 1995-05-24 | 1996-11-28 | Bosch Gmbh Robert | Device for the electronic control of the movements of a roller shutter |
DE19615554A1 (en) | 1996-04-19 | 1997-10-23 | Abb Patent Gmbh | Control method and device for electrically driven venetian or roller blind |
NL1007445C2 (en) * | 1997-11-04 | 1999-05-06 | Windvast N V | Sun protection with blocking device. |
JP3792088B2 (en) | 1999-12-15 | 2006-06-28 | 文化シヤッター株式会社 | Closure device |
-
2002
- 2002-12-17 EP EP02028289.3A patent/EP1319795B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0845572A1 (en) * | 1996-11-27 | 1998-06-03 | Finvetro S.r.l. | Device for controlling and actuating the stroke of light-blocking means in a double-glazing unit |
Also Published As
Publication number | Publication date |
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EP1319795A2 (en) | 2003-06-18 |
EP1319795A3 (en) | 2004-02-04 |
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