EP0936341A2 - Arrangement for controlling the movement of a darkening device - Google Patents

Arrangement for controlling the movement of a darkening device Download PDF

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Publication number
EP0936341A2
EP0936341A2 EP99101259A EP99101259A EP0936341A2 EP 0936341 A2 EP0936341 A2 EP 0936341A2 EP 99101259 A EP99101259 A EP 99101259A EP 99101259 A EP99101259 A EP 99101259A EP 0936341 A2 EP0936341 A2 EP 0936341A2
Authority
EP
European Patent Office
Prior art keywords
signals
roller
reel
sensor means
take
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99101259A
Other languages
German (de)
French (fr)
Other versions
EP0936341A3 (en
EP0936341B1 (en
Inventor
Peter Buehner
Peter Grabandt
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 Feinmechanik und Elektrotechnik GmbH
Original Assignee
Robert Bosch GmbH
Somfy Feinmechanik und Elektrotechnik GmbH
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Publication date
Application filed by Robert Bosch GmbH, Somfy Feinmechanik und Elektrotechnik GmbH filed Critical Robert Bosch GmbH
Publication of EP0936341A2 publication Critical patent/EP0936341A2/en
Publication of EP0936341A3 publication Critical patent/EP0936341A3/en
Application granted granted Critical
Publication of EP0936341B1 publication Critical patent/EP0936341B1/en
Anticipated expiration legal-status Critical
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
    • E06B9/56—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
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • 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
    • E06B2009/6836—Control using sensors sensing obstacle
    • 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
    • E06B2009/6845—Control using sensors sensing position
    • 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
    • E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
    • E06B2009/785—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles by belts, straps, bands, tapes, cords, tassels

Definitions

  • the invention relates to a device for controlling the Movement of a blackout device, in particular a roller shutter, a roller blind or a slat curtain, by means of a belt strap according to the preamble of claim 1.
  • the inventive device with the features of The main claim has the advantage that through dynamic detection an absolute of only two sensor signals Value over the respective position, for example one Roller shutter curtain can be obtained.
  • the absolute position determination is independent of the actual Drive speed. For example, be saved End positions due to a power failure or an unintentional Reset signal cleared, so you can automatically be restored.
  • the evaluation of the Both sensor signals can be implemented in a simple manner.
  • Markings are expediently provided by the sensor means or teeth on the reel and take-up reel or that thus rotating element in drive connection scannable and convertible into corresponding signals.
  • the signals from the sensor means are preferably counting signals or frequency signals derived therefrom.
  • a simple evaluation option is that the Signals from the sensor means of a quotient formation stage Formation of the ratio values can be supplied.
  • the shutdown device at least one comparator to compare the the position values derived from the ratio values at least one predefinable switch-off position value, wherein the shutdown device by the at least one comparator can be actuated.
  • the reel driven by the webbing is convenient the belt deflection roller that is required anyway.
  • a flat belt box 12 contains a reel 10 for a webbing 11, the belt box 12 is designed so that it is in an existing one Wall recess 13 for a manually operated winding roll can be inserted into a building wall 14.
  • a motor housing 15 is attached to this belt box 12, that this is flat outside the wall recess 13 abuts the building wall 14 and the limits overlaps the wall recess 13 on all four sides, so that the wall recess 13 is completely covered is.
  • the motor housing 15 can also be from the belt box 12 be removable.
  • the webbing 11 can by means of the reel 10 in Belt box 12, which can be rotated essentially centrally is stored, wound up and unwound and runs from this from a pulley 17 through the motor housing 15 and through a housing opening, not shown outside and then essentially parallel to the building wall 14 up to a not shown, in the usual way trained roller shutter box in which a rotatably mounted Winding shaft for winding and unwinding the roller shutter armor is driven by the webbing 11.
  • the motor housing 15 In the middle of the motor housing 15 there is a reduction gear 18 arranged by an electrical Drive motor 19 is driven.
  • the drive motor 19 drives a first gear wheel via a worm wheel 20 21, this a second gear 22 and this the take-up reel 10 on.
  • the take-up reel 10 a ring gear 23.
  • existing pulley 17 are ferromagnetic or permanent magnetic Elements 24 embedded in the area of the outer circumference.
  • the deflection roller rotates 17, and the elements 24 pass a first one Sensor 25 in which each of these elements 24 generates a signal.
  • the sensor can be designed as a reed switch be.
  • a second sensor 26, also according to DE-A-44 14 280 can be formed is in the area of the teeth the second gear 22 arranged so that the Rotation of this gear 22 each tooth a signal in second sensor 26 generated.
  • the two sensors 25, 26 are connected to an electronic control device 27, which housed in the lower area of the motor housing 15 is.
  • a DC motor Drive motor 19 are not shown Batteries, for example in the upper area of the motor housing 15, which are also designed as rechargeable batteries could be. Alternatively or additionally there is also one Power supply possible via a connection cable.
  • the operation of the drive motor 19 or the electronic Control device 27 takes place via operating elements, not shown on the technological of the building wall 14 flat outside of the motor housing 15.
  • the two sensors 25, 26 have a quotient formation level 28 or a divider connected. Of the The output of this quotient formation stage 28 is one each Input of two comparators 29, 30 for the two end positions connected. The corresponding end positions, where the switch-off is to take place, can be made via comparison inputs 31, 32 can be specified.
  • the outputs of the Comparators 29, 30 control one via an OR gate 33 Switch 34 in the circuit of the drive motor 19th
  • the one shown in FIG Circuit also implemented by a microcontroller or the corresponding functions will be additional through an already existing microcontroller realized.
  • the basic idea of the present invention is now that in every webbing position and therefore in every position the shutter curtain a certain speed ratio between the deflection roller 17 and the take-up reel 10 is present.
  • the speed of the deflection roller 17 is in fixed relation to the belt speed.
  • This Speed ratio can thus the webbing position or the position of the roller shutter curtain or another the webbing driven blackout device, such as a blind or a slat curtain.
  • the diameter of the webbing 35 equal to the diameter of the pulley 17 and further assume that the diameter of the take-up reel 10 three and a half times the diameter of the corresponds to second gear 22, is under the further requirement that the number of teeth of the second Gear wheel 22 of the number of elements 24 of the guide roller 17 corresponds to the speed ratio of the speed of the Deflection roller 17 for the speed of the second gear wheel 22 1: 3.5.
  • the speed ratio is the lower one End position of the roller shutter curtain reached. If you now continues as an example assuming that in the upper End position of the roller shutter curtain the diameter of the webbing roll 35 3.5 times the diameter of the Deflection roller 17, then the speed ratio is 1: 1.
  • this speed ratio formed by the signals f1 of the first Sensor 25 by the signals f2 of the second sensor 26 be divided.
  • the comparators 29, 30 are used as comparison values the lower cut-off value Au and the upper one Switch-off value Ao specified that the present there Speed ratio.
  • the one then generated Output signal of the comparators 29, 30 leads to opening the switch 34 and thus to switch off the drive motor 19.
  • the switchover required when switching off the direction of rotation of the drive motor can be according to the state of the art to ensure that when the drive motor is switched on again a switching command or a radio signal the opposite Drive direction is present.
  • the restart the drive motor can be by manual or wireless Closing the switch 34 take place.
  • the comparison values Au and Ao can be stored, for example by the fact that each in the Quotient formation level 28 values temporarily stored become. In a learning mode you can then lower switch-off position the last saved value as Value Au and accordingly in the upper switch-off position the value Ao can be stored as a comparison value. This can be done manually or automatically.
  • the second sensor 26 another gear or directly the sprocket of the take-up reel Scan 10 or vary the number of elements 24 to be scanned in or on the deflection roller 17.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Blinds (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Paper (AREA)
  • Jib Cranes (AREA)

Abstract

The device comprises a wind (10) for the belt driven by a motor (19), a wheel (17) driven by the moving belt, sensor devices (25) for detecting the rotation of the wheel, and an electronic control arrangement (27) for switching off the drive motor in at least one presettable position of the blind. Further sensor devices (26) are provided for detecting the rotation of the wind or a rotating element (22) connected with it. The device controls the movement of a blind by means of a belt (11), and comprises a wind (10) for the belt driven by a motor (19), a wheel (17) driven by the moving belt, sensor devices (25) for detecting the rotation of the wheel, and an electronic control arrangement (27) for switching off the drive motor in at least one presettable position of the blind. Further sensor devices (26) are provided for detecting the rotation of the wind or a rotating element (22) connected with it. An evaluation arrangement forms relative values of the respective signals of both sensor devices (25, 26) as a current position signal, whereby the drive motor is switched off by means of a switch-off arrangement when reaching a predetermined nominal position.

Description

STAND DER TECHNIKSTATE OF THE ART

Die Erfindung betrifft eine Vorrichtung zur Steuerung der Bewegung einer Verdunkelungsvorrichtung, insbesondere eines Rolladens, eines Rollos oder eines Lamellenvorhangs, mittels eines Gurtbands nach der Gattung des Anspruchs 1.The invention relates to a device for controlling the Movement of a blackout device, in particular a roller shutter, a roller blind or a slat curtain, by means of a belt strap according to the preamble of claim 1.

Bei einer derartigen, aus der DE-A-195 23914 bekannten Vorrichtung werden die Umdrehungen einer Umlenkrolle für das Gurtband erfaßt. Ohne weitere End- oder Referenzschalter sind die erfaßten Signale nur für eine relative Messung brauchbar. Eine automatische Fehlerkorrektur ist nicht möglich, das heißt, selbst wenn Referenzwerte eingespeichert werden, so besteht die Gefahr, daß diese durch Fehlsignale, Störimpulse oder Alterungserscheinungen ihre genaue Zuordnung zu den Endpositionen verlieren.In such a known from DE-A-195 23914 Device is the turns of a pulley for the webbing is grasped. Without further limit or reference switches the detected signals are only for a relative Measurement usable. An automatic error correction is not possible, that is, even if reference values are stored become, there is a risk that this by False signals, interference pulses or signs of aging your lose exact assignment to the end positions.

Weiterhin ist aus der DE-A-44 04 682 eine Vorrichtung zur Bewegungssteuerung bekannt, bei der die Anzahl der Umdrehungen des Motors oder eines damit verbundenen Getriebeteils zur Messung des zurückgelegten Wegs des Rollladenpanzers benutzt wird. Auch hier liegen dieselben Nachteile vor, das heißt, es müssen entweder zusätzliche End- oder Referenzschalter eingesetzt werden, oder es ist eine häufige Nachjustierung von gegebenenfalls gespeicherten und zugeordneten Positionswerten erforderlich. Furthermore, from DE-A-44 04 682 a device for Motion control known in which the number of revolutions of the engine or a gear part connected to it for measuring the distance covered by the roller shutter curtain is used. Here too are the same Disadvantages, that is, either need additional Limit or reference switches are used, or it is a frequent readjustment of any saved and assigned position values required.

VORTEILE DER ERFINDUNGADVANTAGES OF THE INVENTION

Die erfindungsgemäße Vorrichtung mit den Merkmalen des Hauptanspruchs hat den Vorteil, daß durch dynamische Erfassung von lediglich zwei Sensorsignalen ein absoluter Wert über die jeweilige Position beispielsweise eines Rolladenpanzers erhalten werden kann. Die absolute Positionsbestimmung ist dabei unabhängig von der tatsächlichen Antriebsgeschwindigkeit. Werden beispielsweise gespeicherte Endpositionen durch einen Stromausfall oder ein unbeabsichtigtes Reset-Signal gelöscht, so können sie automatisch wiederhergestellt werden. Die Auswertung der beiden Sensorsignale ist auf einfache Weise realisierbar.The inventive device with the features of The main claim has the advantage that through dynamic detection an absolute of only two sensor signals Value over the respective position, for example one Roller shutter curtain can be obtained. The absolute position determination is independent of the actual Drive speed. For example, be saved End positions due to a power failure or an unintentional Reset signal cleared, so you can automatically be restored. The evaluation of the Both sensor signals can be implemented in a simple manner.

Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im Hauptanspruch angegebenen Vorrichtung möglich.By the measures listed in the subclaims are advantageous developments and improvements of device specified in the main claim possible.

Durch die Sensormittel sind zweckmäßigerweise Markierungen oder Zähne an der Rolle und der Aufwickelhaspel oder dem damit in Antriebsverbindung stehenden Rotationselement abtastbar und in entsprechende Signale umsetzbar. Dabei sind die Signale der Sensormittel vorzugsweise Zählsignale oder davon abgeleitete Frequenzsignale.Markings are expediently provided by the sensor means or teeth on the reel and take-up reel or that thus rotating element in drive connection scannable and convertible into corresponding signals. Here the signals from the sensor means are preferably counting signals or frequency signals derived therefrom.

Eine einfache Auswertemöglichkeit besteht darin, daß die Signale der Sensormittel einer Quotientenbildungsstufe zur Bildung der Verhältniswerte zuführbar sind.A simple evaluation option is that the Signals from the sensor means of a quotient formation stage Formation of the ratio values can be supplied.

In einer bevorzugten Ausführung weist die Abschalteinrichtung wenigstens einen Komparator zum Vergleich der aus den Verhältniswerten abgeleiteten Positionswerte mit wenigstens einem vorgebbaren Abschalt-Positionswert auf, wobei durch den wenigstens einen Komparator die Abschalteinrichtung betätigbar ist. In a preferred embodiment, the shutdown device at least one comparator to compare the the position values derived from the ratio values at least one predefinable switch-off position value, wherein the shutdown device by the at least one comparator can be actuated.

Die vom Gurtband angetriebene Rolle ist zweckmäßigerweise die ohnehin erforderliche Gurtumlenkrolle.The reel driven by the webbing is convenient the belt deflection roller that is required anyway.

ZEICHNUNGDRAWING

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen:

Fig. 1
eine schematische Längsschnittdarstellung einer elektrischen Antriebsvorrichtung für einen Rolladenpanzer über einen Antriebsgurt und
Fig. 2
ein Blockschaltbild einer elektronischen Vorrichtung zur Bewegungssteuerung.
An embodiment of the invention is shown in the drawing and explained in more detail in the following description. Show it:
Fig. 1
is a schematic longitudinal sectional view of an electric drive device for a roller shutter curtain via a drive belt and
Fig. 2
a block diagram of an electronic device for motion control.

BESCHREIBUNG DES AUSFÜHRUNGSBEISPIELSDESCRIPTION OF THE EMBODIMENT

Gemäß Fig. 1 enthält ein flacher Gurtkasten 12 eine Aufwickelhaspel 10 für ein Gurtband 11, wobei der Gurtkasten 12 so gestaltet ist, daß er in eine ohnehin vorhandene Wandausnehmung 13 für eine manuell bedienbare Aufwickelrolle in einer Gebäudewand 14 eingeschoben werden kann. An diesem Gurtkasten 12 ist ein Motorgehäuse 15 so angebracht, daß dieses außerhalb der Wandausnehmung 13 flach an der Gebäudewand 14 anliegt und dabei die Begrenzungen der Wandausnehmung 13 nach allen vier Seiten hin übergreift, so daß die Wandausnehmung 13 vollständig abgedeckt ist. Dabei kann das Motorgehäuse 15 auch vom Gurtkasten 12 abnehmbar ausgebildet sein.1, a flat belt box 12 contains a reel 10 for a webbing 11, the belt box 12 is designed so that it is in an existing one Wall recess 13 for a manually operated winding roll can be inserted into a building wall 14. On a motor housing 15 is attached to this belt box 12, that this is flat outside the wall recess 13 abuts the building wall 14 and the limits overlaps the wall recess 13 on all four sides, so that the wall recess 13 is completely covered is. The motor housing 15 can also be from the belt box 12 be removable.

Das Gurtband 11 kann mittels der Aufwickelhaspel 10 im Gurtkasten 12, die dort im wesentlichen mittig drehbar gelagert ist, auf- und abgewickelt werden und verläuft von dieser aus über eine Umlenkrolle 17 durch das Motorgehäuse 15 und durch eine nicht dargestellte Gehäuseöffnung nach außen und dann im wesentlichen parallel zur Gebäudewand 14 nach oben zu einem nicht dargestellten, in üblicher Weise ausgebildeten Rolladenkasten, in dem eine drehbar gelagerte Wickelwelle zum Auf- und Abwickeln des Rolladenpanzers vom Gurtband 11 angetrieben wird.The webbing 11 can by means of the reel 10 in Belt box 12, which can be rotated essentially centrally is stored, wound up and unwound and runs from this from a pulley 17 through the motor housing 15 and through a housing opening, not shown outside and then essentially parallel to the building wall 14 up to a not shown, in the usual way trained roller shutter box in which a rotatably mounted Winding shaft for winding and unwinding the roller shutter armor is driven by the webbing 11.

Im Motorgehäuse 15 ist im mittleren Bereich ein Untersetzungsgetriebe 18 angeordnet, das durch einen elektrischen Antriebsmotor 19 angetrieben wird. Der Antriebsmotor 19 treibt über ein Schneckenrad 20 ein erstes Getrieberad 21, dieses ein zweites Getrieberad 22 und dieses die Aufwickelhaspel 10 an. Hierzu besitzt die Aufwickelhaspel 10 einen Zahnkranz 23. In der aus nicht-ferromagnetischem Material, beispielsweise aus Kunststoff, bestehenden Umlenkrolle 17 sind ferromagnetische oder permanentmagnetische Elemente 24 im Bereich des Außenumfangs eingelassen. Bei der Bewegung des Gurtbands 11 dreht sich die Umlenkrolle 17, und die Elemente 24 passieren einen ersten Sensor 25, in dem jedes dieser Elemente 24 ein Signal erzeugt. Im Falle von permanentmagnetischen Elementen 24 kann der Sensor beispielsweise als Reed-Schalter ausgebildet sein. Alternativ hierzu ist es möglich, den ersten Sensor 25 gemäß der DE-A-44 14 280 auszubilden.In the middle of the motor housing 15 there is a reduction gear 18 arranged by an electrical Drive motor 19 is driven. The drive motor 19 drives a first gear wheel via a worm wheel 20 21, this a second gear 22 and this the take-up reel 10 on. For this purpose, the take-up reel 10 a ring gear 23. In the non-ferromagnetic Material, for example made of plastic, existing pulley 17 are ferromagnetic or permanent magnetic Elements 24 embedded in the area of the outer circumference. When the webbing 11 is moved, the deflection roller rotates 17, and the elements 24 pass a first one Sensor 25 in which each of these elements 24 generates a signal. In the case of permanent magnetic elements 24 For example, the sensor can be designed as a reed switch be. Alternatively, it is possible to use the first one Form sensor 25 according to DE-A-44 14 280.

Ein zweiter Sensor 26, der ebenfalls gemäß der DE-A-44 14 280 ausgebildet sein kann, ist im Bereich der Zähne des zweiten Getrieberads 22 angeordnet, so daß bei der Drehung dieses Getrieberads 22 jeder Zahn ein Signal im zweiten Sensor 26 erzeugt. Die beiden Sensoren 25, 26 sind mit einer elektronischen Steuereinrichtung 27 verbunden, die im unteren Bereich des Motorgehäuses 15 untergebracht ist.A second sensor 26, also according to DE-A-44 14 280 can be formed is in the area of the teeth the second gear 22 arranged so that the Rotation of this gear 22 each tooth a signal in second sensor 26 generated. The two sensors 25, 26 are connected to an electronic control device 27, which housed in the lower area of the motor housing 15 is.

Als Antrieb des beispielsweise als Gleichstrommotor ausgebildeten Antriebsmotors 19 dienen nicht dargestellte Batterien, beispielsweise im oberen Bereich des Motorgehäuses 15, die auch als wiederaufladbare Batterien ausgebildet sein können. Alternativ oder zusätzlich ist auch eine Stromversorgung über ein Anschlußkabel möglich. Die Bedienung des Antriebsmotors 19 bzw. der elektronischen Steuereinrichtung 27 erfolgt über nicht dargestellte Bedienungselemente an der von der Gebäudewand 14 wegweisenden flachen Außenseite des Motorgehäuses 15.As a drive for the, for example, a DC motor Drive motor 19 are not shown Batteries, for example in the upper area of the motor housing 15, which are also designed as rechargeable batteries could be. Alternatively or additionally there is also one Power supply possible via a connection cable. The operation of the drive motor 19 or the electronic Control device 27 takes place via operating elements, not shown on the groundbreaking of the building wall 14 flat outside of the motor housing 15.

In Fig. 2 ist derjenige Bereich der elektronischen Steuereinrichtung 27 im Blockschaltbild dargestellt, der die Abschaltung des Antriebsmotors 19 bei Erreichen der beiden Endpositionen betrifft. Prinzipiell könnten selbstverständlich auf dieselbe Weise auch Abschaltungen an gewünschten Zwischenpositionen vorgenommen werden. Im übrigen ist eine derartige elektronische Steuereinrichtung beispielsweise aus der DE-A-440 4682 bekannt.2 is that area of the electronic control device 27 shown in the block diagram of the The drive motor 19 is switched off when the two are reached End positions. In principle, could of course in the same way also shutdowns on desired Intermediate positions are made. Furthermore is such an electronic control device known for example from DE-A-440 4682.

Die beiden Sensoren 25, 26 sind mit einer Quotientenbildungsstufe 28 bzw. einem Dividierer verbunden. Der Ausgang dieser Quotientenbildungsstufe 28 ist mit je einem Eingang zweier Komparatoren 29, 30 für die beiden Endpositionen verbunden. Die entsprechenden Endpositionen, bei denen die Abschaltung erfolgen soll, können über Vergleichseingänge 31, 32 vorgegeben werden. Die Ausgänge der Komparatoren 29, 30 steuern über ein ODER-Glied 33 einen Ausschalter 34 im Stromkreis des Antriebsmotors 19. Selbstverständlich kann die in Fig. 2 dargestellte Schaltung auch durch einen Mikrocontroller realisiert werden, oder die entsprechenden Funktionen werden zusätzlich durch einen ohnehin vorhandenen Mikrocontroller realisiert.The two sensors 25, 26 have a quotient formation level 28 or a divider connected. Of the The output of this quotient formation stage 28 is one each Input of two comparators 29, 30 for the two end positions connected. The corresponding end positions, where the switch-off is to take place, can be made via comparison inputs 31, 32 can be specified. The outputs of the Comparators 29, 30 control one via an OR gate 33 Switch 34 in the circuit of the drive motor 19th Of course, the one shown in FIG Circuit also implemented by a microcontroller or the corresponding functions will be additional through an already existing microcontroller realized.

Beim Aufwickeln des Gurtbands 11 auf die Aufwickelhaspel 10 nimmt der Durchmesser des Gurtbandwickels 35 immer mehr zu. Da sich die Aufwickelhaspel 10 mit konstanter Drehzahl dreht, nimmt die Gurtbandgeschwindigkeit immer mehr zu, so daß sich entsprechend die Drehzahl der Umlenkrolle 17 stetig erhöht. Beim Abwickeln verlaufen diese Vorgänge in umgekehrter Weise.When winding the webbing 11 on the take-up reel 10 takes the diameter of the webbing roll 35 more and more to. Since the take-up reel 10 at a constant speed turns, the belt speed increases more and more that correspondingly the speed of the pulley 17th steadily increased. When unwinding, these processes run in vice versa.

Die Grundidee der vorliegenden Erfindung besteht nun darin, daß in jeder Gurtbandposition und damit in jeder Position des Rolladenpanzers ein bestimmtes Drehzahlverhältnis zwischen der Umlenkrolle 17 und der Aufwickelhaspel 10 vorliegt. Die Drehzahl der Umlenkrolle 17 steht dabei in festem Verhältnis zur Gurtbandgeschwindigkeit. Über dieses Drehzahlverhältnis kann somit die Gurtbandposition bzw. die Position des Rolladenpanzers oder einer anderen durch das Gurtband angetriebenen Verdunkelungsvorrichtung, wie eines Rollos oder eines Lamellenvorhangs, bestimmt werden. Ist beispielsweise in der unteren Endposition eines abgewickelten Rolladenpanzers der Durchmesser des Gurtbandwickels 35 gleich dem Durchmesser der Umlenkrolle 17 und sei weiterhin angenommen, daß der Durchmesser der Aufwickelhaspel 10 dem Dreieinhalbfachen des Durchmessers des zweiten Getrieberads 22 entspricht, so ist unter der weiteren Voraussetzung, daß die Zähnezahl des zweiten Getrieberads 22 der Zahl der Elemente 24 der Umlenkrolle 17 entspricht, das Drehzahlverhältnis der Drehzahl der Umlenkrolle 17 zur Drehzahl des zweiten Getrieberads 22 1 : 3,5. Bei diesem Drehzahlverhältnis ist also die untere Endposition des Rolladenpanzers erreicht. Wenn man nun weiterhin als Beispiel davon ausgeht, daß in der oberen Endposition des Rolladenpanzers der Durchmesser des Gurtbandwickels 35 3,5 mal so groß wie der Durchmesser der Umlenkrolle 17 ist, so beträgt dann das Drehzahlverhältnis 1 : 1. In der Quotientenbildungsstufe 28 wird dieses Drehzahlverhältnis gebildet, indem die Signale f1 des ersten Sensors 25 durch die Signale f2 des zweiten Sensors 26 dividiert werden. Den Komparatoren 29, 30 werden als Vergleichswerte der untere Abschaltwert Au und der obere Abschaltwert Ao vorgegeben, die dem dort vorliegenden Drehzahlverhältnis entsprechen. Das jeweils dann erzeugte Ausgangssignal der Komparatoren 29, 30 führt zum Öffnen des Ausschalters 34 und damit zum Abschalten des Antriebsmotors 19. Die beim Abschalten erforderliche Umschaltung der Drehrichtung des Antriebsmotors kann gemäß dem angegebenen Stand der Technik erfolgen, um sicherzustellen, daß beim Wiedereinschalten des Antriebsmotors durch einen Schaltbefehl oder ein Funksignal die entgegengesetzte Antriebsrichtung vorliegt. Das Wiedereinschalten des Antriebsmotors kann durch manuelles oder drahtloses Schließen des Ausschalters 34 erfolgen.The basic idea of the present invention is now that in every webbing position and therefore in every position the shutter curtain a certain speed ratio between the deflection roller 17 and the take-up reel 10 is present. The speed of the deflection roller 17 is in fixed relation to the belt speed. About this Speed ratio can thus the webbing position or the position of the roller shutter curtain or another the webbing driven blackout device, such as a blind or a slat curtain. For example, one is in the lower end position Roller shutter armor the diameter of the webbing 35 equal to the diameter of the pulley 17 and further assume that the diameter of the take-up reel 10 three and a half times the diameter of the corresponds to second gear 22, is under the further requirement that the number of teeth of the second Gear wheel 22 of the number of elements 24 of the guide roller 17 corresponds to the speed ratio of the speed of the Deflection roller 17 for the speed of the second gear wheel 22 1: 3.5. At this speed ratio is the lower one End position of the roller shutter curtain reached. If you now continues as an example assuming that in the upper End position of the roller shutter curtain the diameter of the webbing roll 35 3.5 times the diameter of the Deflection roller 17, then the speed ratio is 1: 1. In the quotient formation stage 28, this speed ratio formed by the signals f1 of the first Sensor 25 by the signals f2 of the second sensor 26 be divided. The comparators 29, 30 are used as comparison values the lower cut-off value Au and the upper one Switch-off value Ao specified that the present there Speed ratio. The one then generated Output signal of the comparators 29, 30 leads to opening the switch 34 and thus to switch off the drive motor 19. The switchover required when switching off the direction of rotation of the drive motor can be according to the state of the art to ensure that when the drive motor is switched on again a switching command or a radio signal the opposite Drive direction is present. The restart the drive motor can be by manual or wireless Closing the switch 34 take place.

Das Einspeichern der Vergleichswerte Au und Ao kann beispielsweise dadurch erfolgen, daß die jeweils in der Quotientenbildungsstufe 28 gebildeten Werte zwischengespeichert werden. In einem Lernmodus können dann in der unteren Abschaltposition der zuletzt gespeicherte Wert als Wert Au und entsprechend in der oberen Abschaltposition der Wert Ao als Vergleichswert eingespeichert werden. Dies kann manuell oder automatisch erfolgen.The comparison values Au and Ao can be stored, for example by the fact that each in the Quotient formation level 28 values temporarily stored become. In a learning mode you can then lower switch-off position the last saved value as Value Au and accordingly in the upper switch-off position the value Ao can be stored as a comparison value. This can be done manually or automatically.

Soll das Signalverhältnis zwischen den Signalfolgen f1 und f2 verändert werden, so kann entweder der zweite Sensor 26 ein anderes Getrieberad oder direkt den Zahnkranz der Aufwickelhaspel 10 abtasten, oder man variiert die Zahl der abzutastenden Elemente 24 in oder an der Umlenkrolle 17.If the signal ratio between the signal sequences f1 and f2 can be changed, either the second sensor 26 another gear or directly the sprocket of the take-up reel Scan 10 or vary the number of elements 24 to be scanned in or on the deflection roller 17.

Claims (8)

Vorrichtung zur Steuerung der Bewegung einer Verdunkelungsvorrichtung, insbesondere eines Rolladens, eines Rollos oder eines Lamellenvorhangs, mittels eines Gurtbands, mit einer motorisch angetriebenen Aufwickelhaspel für das Gurtband, mit einer vom sich bewegenden Gurtband angetriebenen Rolle, mit Sensormitteln zur Erfassung der Rotation der Rolle und mit einer elektronischen Steuereinrichtung zum Abschalten des Antriebsmotors in wenigstens einer vorgebbaren Position der Verdunkelungsvorrichtung, dadurch gekennzeichnet, daß weitere Sensormittel (26) zur Erfassung der Rotation der Aufwickelhaspel (10) oder eines mit dieser in Antriebsverbindung stehenden Rotationselements (22) vorgesehen sind, daß eine Auswerteeinrichtung (28) zur Bildung von Verhältniswerten der jeweiligen Signale (f1, f2) der beiden Sensormittel (25, 26) als Positions-Istsignal vorgesehen sind, wobei beim Erreichen von vorgegebenen Positions-Sollwerten der Antriebsmotor (19) mittels einer Abschalteinrichtung (34) abschaltbar ist.Device for controlling the movement of a blackout device, especially a roller shutter, one Roller blinds or a slat curtain, by means of a webbing, with a motorized take-up reel for the webbing, with one from the moving webbing driven roller, with sensor means for detecting the Rotation of the roll and with an electronic control device to switch off the drive motor in at least a predeterminable position of the blackout device, characterized in that further sensor means (26) for detecting the rotation of the take-up reel (10) or one connected to the drive Rotation element (22) are provided that an evaluation device (28) to form ratio values of the respective Signals (f1, f2) from the two sensor means (25, 26) are provided as the actual position signal, and when reached of predetermined position setpoints of the Drive motor (19) by means of a shutdown device (34) can be switched off. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß durch die Sensormittel (25, 26) Markierungen (24) oder Zähne an der Rolle (17) und der Aufwickelhaspel (10) oder dem damit in Antriebsverbindung stehenden Rotationselements (22) abtastbar und in entsprechende Signale (f1, f2) umsetzbar sind.Device according to claim 1, characterized in that by the sensor means (25, 26) markings (24) or Teeth on the roller (17) and the take-up reel (10) or the rotary element in drive connection with it (22) can be scanned and converted into corresponding signals (f1, f2) are feasible. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Signale der Sensormittel (25, 26) Zählsignale oder davon abgeleitete Frequenzsignale oder Drehzahlsignale sind.Device according to claim 2 or 3, characterized in that that the signals of the sensor means (25, 26) count signals or frequency signals or speed signals derived therefrom are. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Signale (f1, f2) der Sensormittel (25, 26) einer Quotientenbildungsstufe als Auswerteeinrichtung (28) zur Bildung der Verhältniswerte zuführbar sind.Device according to claim 2 or 3, characterized in that that the signals (f1, f2) of the sensor means (25, 26) a quotient formation level as an evaluation device (28) can be fed to form the ratio values. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Abschalteinrichtung (34) durch wenigstens einen Komparator (29, 30) zum Vergleich der aus den Verhältniswerten abgeleiteten Positionswerte mit wenigstens einem vorgebbaren Abschalt-Positionswert steuerbar ist.Device according to one of the preceding claims, characterized in that the switch-off device (34) by at least one comparator (29, 30) for comparison the position values derived from the ratio values with at least one predefinable switch-off position value is controllable. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Rolle (17) als Gurtumlenkrolle ausgebildet ist.Device according to one of the preceding claims, characterized in that the roller (17) as a belt deflection roller is trained. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das in Antriebsverbindung mit der Aufwickelhaspel (10) stehende Rotationselement (22) ein Getrieberad eines Untersetzungsgetriebes (18) ist.Device according to one of the preceding claims, characterized in that the drive connection with the take-up reel (10) rotating element (22) is a gear wheel of a reduction gear (18). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die elektronische Steuereinrichtung (27) durch einen Mikrocontroller realisiert wird.Device according to one of the preceding claims, characterized in that the electronic control device (27) is realized by a microcontroller.
EP99101259A 1998-02-10 1999-01-23 Arrangement for controlling the movement of a darkening device Expired - Lifetime EP0936341B1 (en)

Applications Claiming Priority (2)

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DE19805158A DE19805158C2 (en) 1998-02-10 1998-02-10 Device for controlling the movement of a blackout device
DE19805158 1998-02-10

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EP0936341A3 EP0936341A3 (en) 2002-02-13
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AT (1) ATE247218T1 (en)
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EP1929181A1 (en) * 2005-08-26 2008-06-11 PH. B INNOVATIONS Sarl Twisted belt transmission

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DE19941483C2 (en) * 1999-08-06 2001-09-27 Somfy Feinmech & Elektrotech Drive device for a blackout device driven by a webbing
DE19946366A1 (en) * 1999-09-28 2001-03-29 Roland Voehringer Room roller-blind monitoring device, uses rotary roller positioned on roller blind for detecting movement of the blind
DE29921653U1 (en) * 1999-10-06 2001-02-15 Rademacher, Wilhelm, 46414 Rhede Belt winder for a roller shutter belt or the like.
DE20316494U1 (en) * 2003-10-24 2004-01-22 Rademacher, Wilhelm Belt winder for a blackout device such as a roller shutter
CN101240690B (en) * 2007-02-09 2011-05-04 浙江康泰电气有限公司 Coiling type light-shading curtain driving device

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DE4414280A1 (en) 1994-04-23 1995-10-26 Bosch Gmbh Robert Device for detecting the rotational movement of a toothed or cam wheel
DE19523914C1 (en) 1995-06-30 1996-09-05 Bosch Gmbh Robert Shutter shield drive belt movement detection device

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WO2001057352A1 (en) * 2000-02-05 2001-08-09 Amnon Ribak Reduced-energy requiring rolling-mechanism
EP1929181A1 (en) * 2005-08-26 2008-06-11 PH. B INNOVATIONS Sarl Twisted belt transmission

Also Published As

Publication number Publication date
DE19805158C2 (en) 2003-06-26
EP0936341A3 (en) 2002-02-13
ES2205609T3 (en) 2004-05-01
DE59906549D1 (en) 2003-09-18
EP0936341B1 (en) 2003-08-13
DE19805158A1 (en) 1999-08-12
ATE247218T1 (en) 2003-08-15

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