EP3741955A1 - Vertical awning and rolling shaft - Google Patents
Vertical awning and rolling shaft Download PDFInfo
- Publication number
- EP3741955A1 EP3741955A1 EP19020340.6A EP19020340A EP3741955A1 EP 3741955 A1 EP3741955 A1 EP 3741955A1 EP 19020340 A EP19020340 A EP 19020340A EP 3741955 A1 EP3741955 A1 EP 3741955A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding shaft
- connecting element
- section
- electrically conductive
- awning
- 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
Links
- 238000005096 rolling process Methods 0.000 title 1
- 238000004804 winding Methods 0.000 claims abstract description 95
- 239000004744 fabric Substances 0.000 claims abstract description 46
- 239000000835 fiber Substances 0.000 claims description 17
- 239000006260 foam Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229920002292 Nylon 6 Polymers 0.000 description 5
- 239000011324 bead Substances 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007786 electrostatic charging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
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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
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
- E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
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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
- E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
- E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
- E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
Definitions
- the invention relates to a vertical awning and a winding shaft arrangement suitable for this.
- Generic vertical awnings have a winding shaft arrangement arranged in an installation space, usually an awning box, with a rotatably mounted winding shaft on which an awning fabric is accommodated.
- the installation space or awning box surrounds the winding shaft on several sides and has a cloth outlet opening on its underside through which the awning cloth is guided out of the installation space.
- One end of the awning fabric is attached to the winding shaft, for example with a fabric piping or the like, with a drop rod protruding over at least one broad side of the fabric outlet opening being attached to the other, lower end of the awning fabric.
- the drop rod pulls the awning fabric down and keeps it under tension with its weight.
- generic vertical awnings often have side guide rails in which the awning fabric is guided along its side edges, for example via inlets arranged in the side guide rails, into which the edge beads of the awning fabric are threaded.
- the object of the present invention is to develop a vertical awning or a winding shaft arrangement suitable for this so that the electrostatic charge can be discharged reliably and in a technically simple and inexpensive manner without causing damage to the tubular motor.
- the vertical awning according to the invention has a winding shaft that can be rotatably supported between two side parts for receiving the awning fabric, the winding shaft being supported on the side parts via a bearing pin or the like and an electric drive at its other end and being designed as a hollow shaft, the electrical drive as a tubular motor pushed into the winding shaft, in particular an asynchronous motor, a stationary section that can be attached to the associated side part in a torque-proof manner and a rotating section that engages the winding shaft from the inside and rotates with the winding shaft.
- a connecting element which connects the stationary section of the tubular motor with the rotating winding shaft in an electrically conductive manner, the stationary section being a Has connection option for connecting a grounding line, so that an electrostatic charge can be discharged from the winding shaft via the standing section and the grounding line.
- Such electrically conductive connections between the rotating winding shaft and the stationary section can be produced, for example, via corresponding metallic sliding contacts or brushes, for example carbon brushes.
- a connecting element is preferably provided which has a fiber brush with electrically conductive brush fibers, via which the electrically conductive path leads from the winding shaft to the stationary section of the tubular motor.
- the connecting element can also comprise a foam element made of an electrically conductive foam, for example so-called ESD foam.
- PA 6 i.e. polyamide 6, or polycaprolactam or Perlon, has proven to be a suitable fiber material.
- ESD foam is a collective term for foams that are electrostatically conductive (electrostatic discharge, ESD for short).
- a reliable dissipation of any electrostatic charge on the winding shaft can be dissipated with relatively simple means via an earth conductor attached to the stator, in particular via a core of a multi-core cable serving as a protective conductor, via which the tubular motor can be controlled and supplied with power, which core is connected to is connected to the casing of the tubular motor, whereas the other wires, usually two control lines, and one phase and one neutral wire are connected to the motor control.
- the cable can have a connector to ensure simple installation.
- the connecting element inside the winding shaft is particularly well protected against environmental influences, where it can also quite easily establish a current-conducting path between the winding shaft and the stationary section of the electric motor if the stationary section, as is common with tubular motors, is a Has housing with a tubular housing section which is made of metal and is pushed into the winding shaft, on which the connecting element can engage in an electrically conductive manner.
- This tubular housing section is then of course electrically conductively connected to the connection option provided on the housing for connecting a grounding line, for example a cable clamp or a cable clamping screw or an open cable end, or to the ground conductor or the wire of the motor connection cable serving as a protective conductor.
- the connecting element is advantageously ring-shaped overall, so that the entire outer circumference of the tubular motor housing and the entire inner circumference of the winding shaft are available for the transmission of the electrostatic charge.
- the connecting element does not necessarily have to consist of one piece. Rather, it would be conceivable to provide a connecting element which is composed of individual ring elements but is arranged in an overall ring shape.
- the connecting element is preferably attached to the winding shaft in a rotating and electrically conductive manner and is in electrically conductive sliding contact with the stationary section of the tubular motor. Because of the profiling of the winding shaft, this can be implemented relatively easily.
- a carrier attached to the winding shaft can be provided for the connecting element, by which the connecting element is held on the winding shaft.
- the carrier can consist of an insulating material such as plastic in order to clearly delimit the electrical path from the winding shaft through the connecting element to the housing of the tubular motor, wherein the connecting element can also completely or at least largely cover the tubular motor over its length pushed into the winding shaft, in order to provide additional shielding against undesired charge flashover outside the defined electrical path.
- the carrier can be designed as a one-piece or from several individual parts, inserted into the winding shaft and have an inner part arranged on the inside of the connecting element and an outer part arranged on the outside of the connecting element in order to hold the connecting element, for example one of the brush fibers of the fiber brush or a foam ring made of ESD foam.
- the inner part and the outer part can be joined together via fastening means penetrating or bridging the connecting element and thus clamping the connecting element.
- FIG. 1 designates an installation space which is designed here as a winding shaft box and in which a winding shaft 3 with an electric motor indicated by reference number 2 is received.
- An awning fabric 4 is received on the winding shaft 3, which is attached to the winding shaft 3 at one end and is connected to a drop rod 5 at the other end, and its lower end connected to the drop rod 5 is led out of a cloth outlet opening 7 of the awning box 1.
- the cloth 4 is in the in Figure 1 shown, completely wound position recorded as a bale on the winding shaft 3.
- a fabric guide profile 6 is provided, which presses with a fabric guide nose against the awning fabric and guides it into the desired vertical plane, in which are then also the side guide rails which guide the awning fabric 4 on its edge beads or half-zippers attached to its side edges.
- the Figure 2 shows a vertical awning with a tubular motor 2 pushed into the winding shaft 3, which has a rotation section 8 for engaging the winding shaft 3 from the inside and a standing section 9, 10 for non-rotatable attachment to a box side part 11.
- the standing section 9, 10 has a tubular housing section 10 made of metal, which is located inside the winding shaft 3 and a support 9 attached to the side part 11.
- the connecting element 12, 14, designed as a fiber brush has an annular fiber carrier 12 which carries PA-6 fibers 14 which are attached to the The outer circumference of the tubular housing section 10 is in contact, the fiber carrier 12, however, being held in a rotationally fixed connection with the winding shaft 3 via the carrier 13, 15.
- the carrier 13, 15 has an inner part 15 and an outer part 13, between which the fiber brush is received and which hold the fiber brush in position.
- FIG. 3 The ones in the Figure 3
- the embodiment of the invention shown largely corresponds to that in FIG Figure 2 shown, but instead of a fiber brush, a ring made of ESD foam is provided as the connecting element 32.
- the carrier 33, 35 or its inner part 35 and outer part 33 are adapted accordingly in order to keep the connecting element 32 rotating at the same time on the winding shaft 3 and in contact with the inner circumferential surface of the winding shaft and to allow it to slide on the outer circumference of the tubular housing section 10 when the winding shaft 3 rotates .
- an annular connecting element instead of an annular connecting element, it would be conceivable to provide an elongated connecting element, for example in the form of a brush, extending along the tubular housing section.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
Die Erfindung betrifft eine Wickelwellenanordnung für eine Senkrechtmarkise, mit einer zwischen zwei Seitenteilen (11) drehbar abstützbaren Wickelwelle (3), an der ein Markisentuch (4) mit seinem einen Ende befestigbar ist. Die Wickelwelle (3) ist über einen Lagerzapfen an ihrem einen Ende und einen elektrischen Antrieb (2) an ihrem anderen Ende an den Seitenteilen (11) abstützbar und als Hohlwelle ausgebildet. Der elektrischen Antrieb (2) ist als in die Wickelwelle (3) eingeschobener Rohrmotor ausgebildet und weist einen drehfest am zugeordneten Seitenteil (11) anbringbaren stehenden Abschnitt (9) und einen von innen an der Wickelwelle (3) angreifenden Rotationsabschnitt (8) auf.Die Erfindung zeichnet sich aus durch ein Verbindungselement (12, 14; 32), welches den stehenden Abschnitt (9, 10) mit der drehenden Wickelwelle (3) elektrisch leitend verbindet, wobei der stehende Abschnitt (9, 10) eine Anschlussmöglichkeit zum Anschließen einer Erdungsleitung aufweist, so dass eine elektrostatische Aufladung von der Wickelwelle (3) über den stehenden Abschnitt (9, 10) und die Erdungsleitung ableitbar ist.Die Erfindung betrifft ferner eine Senkrechtmarkise mit einer solchen Wickelwellenanordnung.The invention relates to a winding shaft arrangement for a vertical awning, having a winding shaft (3) which can be rotatably supported between two side parts (11) and to which one end of an awning fabric (4) can be attached. The winding shaft (3) can be supported on the side parts (11) via a bearing journal at one end and an electric drive (2) at its other end and is designed as a hollow shaft. The electric drive (2) is designed as a tubular motor pushed into the winding shaft (3) and has a stationary section (9) that can be fixedly attached to the associated side part (11) and a rotating section (8) that engages the winding shaft (3) from the inside. The invention is characterized by a connecting element (12, 14; 32) which connects the standing section (9, 10) to the rotating winding shaft (3) in an electrically conductive manner, the standing section (9, 10) providing a connection option for connecting a Has grounding line, so that an electrostatic charge can be discharged from the winding shaft (3) via the standing section (9, 10) and the grounding line. The invention also relates to a vertical awning with such a winding shaft arrangement.
Description
Die Erfindung betrifft eine Senkrechtmarkise und eine hierfür geeignete Wickelwellenanordnung.The invention relates to a vertical awning and a winding shaft arrangement suitable for this.
Gattungsgemäße Senkrechtmarkisen weisen eine in einem Einbauraum, in aller Regel einem Markisenkasten, angeordnete Wickelwellenanordnung auf, mit einer drehbar gelagerten Wickelwelle, auf der ein Markisentuch aufgenommen ist. Der Einbauraum beziehungsweise Markisenkasten umgibt die Wickelwelle dabei mehrseitig und hat an seiner Unterseite eine Tuchauslassöffnung, durch die das Markisentuch aus dem Einbauraum heraus geführt ist. Das Markisentuch ist mit seinem einen Ende an der Wickelwelle befestigt, beispielsweise mit einem Tuchkeder oder dergleichen, wobei an dem anderen, unteren Ende des Markisentuchs ein über zumindest eine Breitseite der Tuchauslassöffnung auskragender Fallstab befestigt ist. Der Fallstab zieht dabei das Markisentuch nach unten und hält es somit durch sein Gewicht auf Spannung. Zudem weisen gattungsgemäße Senkrechtmarkisen häufig Seitenführungsschienen auf, in denen das Markisentuch entlang seiner Seitenränder geführt ist, beispielsweise über in den Seitenführungsschienen angeordnete Inlets, in die Randwülste des Markisentuchs eingefädelt sind.Generic vertical awnings have a winding shaft arrangement arranged in an installation space, usually an awning box, with a rotatably mounted winding shaft on which an awning fabric is accommodated. The installation space or awning box surrounds the winding shaft on several sides and has a cloth outlet opening on its underside through which the awning cloth is guided out of the installation space. One end of the awning fabric is attached to the winding shaft, for example with a fabric piping or the like, with a drop rod protruding over at least one broad side of the fabric outlet opening being attached to the other, lower end of the awning fabric. The drop rod pulls the awning fabric down and keeps it under tension with its weight. In addition, generic vertical awnings often have side guide rails in which the awning fabric is guided along its side edges, for example via inlets arranged in the side guide rails, into which the edge beads of the awning fabric are threaded.
Da sich die Lage des abgewickelten Markisentuchs in Normalrichtung zur Tuchoberfläche aber je nach Dicke des noch auf der Wickelwelle befindlichen Ballens, also dem noch nicht abgewickelten Anteil des Markisentuchs, ändern würde, was der Seitenführung des Tuchs nicht bekommen würde, weisen gattungsgemäße Senkrechtmarkisen ein sich entlang der Tuchauslassöffnung erstreckendes Tuchleitprofil auf, welches einen Vorsprung beziehungsweise einen im Querschnitt etwa nasenförmigen Profilabschnitt aufweist, der sich zum Markisentuch hin erstreckt und an dem das Markisentuch aus einer durch den Außenumfang des durch die Wickelwelle und den aufgewickelten Teil des Markisentuchs gebildeten Ballens verlaufenden senkrechten Ebene in eine durch die Tuchauslassöffnung verlaufende senkrechte Ebene umgelenkt wird.Since the position of the unwound awning fabric in the normal direction to the fabric surface would change depending on the thickness of the bale still on the winding shaft, i.e. the portion of the awning fabric that has not yet been unwound, which the lateral guide of the fabric would not get, generic vertical awnings point along the fabric outlet opening extending fabric guide profile, which has a projection or a profile section approximately nose-shaped in cross section, which extends towards the awning fabric and on which the awning fabric consists of a vertical plane extending through the outer circumference of the bale formed by the winding shaft and the wound part of the awning fabric in one through the cloth outlet extending vertical plane is deflected.
Dabei entsteht das Problem, dass es aufgrund der Reibung des Markisentuchs am Tuchleitprofil zu einer hohen elektrostatischen Aufladung kommen kann. Denn dieser Aufbau stellt eine Art physikalischen "Bandgenerator" dar, wobei sich die elektrostatische Aufladung dann über das Markisentuch auf die Wickelwelle überträgt und dort sammelt. Dieses Problem verschärft sich insbesondere dann, wenn die Senkrechtmarkise über einen als in die Wickelwelle eingeschobenen Rohrmotor ausgebildeten elektrischen Antrieb angetrieben wird. Beim Überschlagen der elektrostatischen Aufladung von der Wickelwelle auf den Rohrmotor kann es zu Fehlfunktionen der Motorelektronik kommen, die von einem Verstellen der eingestellten Endlagen, einem Verlust der Funksender-Programmierung bis zum Komplettausfall des Elektromotors reichen.The problem arises that the friction between the awning fabric and the fabric guide profile can lead to a high level of electrostatic charge. Because this structure represents a kind of physical "band generator", whereby the electrostatic charge is then transferred via the awning fabric to the winding shaft and collects there. This problem is exacerbated in particular when the vertical awning is driven by an electric drive designed as a tubular motor pushed into the winding shaft. When the electrostatic charge crosses over from the winding shaft to the tubular motor, the motor electronics can malfunction, ranging from adjusting the set end positions, losing the radio transmitter programming to complete failure of the electric motor.
Bekannte Lösungen für dieses Problem sehen dabei am Behang angreifende Elemente vor, über die die elektrostatische Aufladung abgeleitet werden kann, so beispielsweise gemäß der deutschen Patentanmeldung
Ein anderer Weg wird in der europäischen Patentanmeldung
Daher zeigen andere Lösungsansätze eine Schutzeinhausung für die Motorsteuerplatine oder den gesamten Motor. Gemäß der
Ob damit das Überspringen der elektrostatischen Aufladung von der Wickelwelle auf die Motorsteuerplatine in jedem Fall verhindert werden kann, ist jedoch fraglich.However, it is questionable whether this can prevent the electrostatic charge from jumping over from the winding shaft to the motor control board.
Hiervon ausgehend ist es Aufgabe der vorliegenden Erfindung, eine Senkrechtmarkise beziehungsweise eine hierfür geeignete Wickelwellenanordnung so weiterzubilden, dass die elektrostatische Aufladung zuverlässig und auf technisch einfache und kostengünstige Weise abgeleitet werden kann, ohne Schäden am Rohrmotor zu verursachen.Based on this, the object of the present invention is to develop a vertical awning or a winding shaft arrangement suitable for this so that the electrostatic charge can be discharged reliably and in a technically simple and inexpensive manner without causing damage to the tubular motor.
Diese Aufgabe wird hinsichtlich der Wickelwellenanordnung mit den Merkmalen des Anspruchs 1 gelöst, hinsichtlich der Senkrechtmarkise mit den Merkmalen des Anspruchs 14.This object is achieved with regard to the winding shaft arrangement with the features of
Die erfindungsgemäße Senkrechtmarkise weist eine zwischen zwei Seitenteilen drehbar abstützbare Wickelwelle zur Aufnahme des Markisentuchs auf, wobei die Wickelwelle über einen Lagerzapfen oder dergleichen an ihrem einen Ende und einen elektrischen Antrieb an ihrem anderen Ende an den Seitenteilen abstützbar ist und als Hohlwelle ausgebildet ist, wobei der elektrische Antrieb als in die Wickelwelle eingeschobener Rohrmotor, insbesondere ein Asynchronmotor, einen drehfest am zugeordneten Seitenteil anbringbaren stehenden Abschnitt und einen von innen an der Wickelwelle angreifenden, mit der Wickelwelle mitdrehenden Rotationsabschnitt aufweist. Hierbei ist nun ein Verbindungselement vorgesehen, welches den stehenden Abschnitt des Rohrmotors mit der drehenden Wickelwelle elektrisch leitend verbindet, wobei der stehende Abschnitt eine Anschlussmöglichkeit zum Anschließen einer Erdungsleitung aufweist, so dass eine elektrostatische Aufladung von der Wickelwelle über den stehenden Abschnitt und die Erdungsleitung ableitbar ist. Derartige elektrisch leitende Verbindungen zwischen der drehenden Wickelwelle und dem stehenden Abschnitt können beispielsweise über entsprechende metallische Schleifkontakte oder Bürsten, zum Beispiel Kohlebürsten, hergestellt werden.The vertical awning according to the invention has a winding shaft that can be rotatably supported between two side parts for receiving the awning fabric, the winding shaft being supported on the side parts via a bearing pin or the like and an electric drive at its other end and being designed as a hollow shaft, the electrical drive as a tubular motor pushed into the winding shaft, in particular an asynchronous motor, a stationary section that can be attached to the associated side part in a torque-proof manner and a rotating section that engages the winding shaft from the inside and rotates with the winding shaft. Here, a connecting element is now provided which connects the stationary section of the tubular motor with the rotating winding shaft in an electrically conductive manner, the stationary section being a Has connection option for connecting a grounding line, so that an electrostatic charge can be discharged from the winding shaft via the standing section and the grounding line. Such electrically conductive connections between the rotating winding shaft and the stationary section can be produced, for example, via corresponding metallic sliding contacts or brushes, for example carbon brushes.
Bevorzugt ist jedoch ein Verbindungselement vorgesehen, das einen Faserpinsel mit elektrisch leitfähigen Pinselfasern aufweist, über welche der elektrisch leitende Pfad von der Wickelwelle zum stehenden Abschnitt des Rohrmotors führt.However, a connecting element is preferably provided which has a fiber brush with electrically conductive brush fibers, via which the electrically conductive path leads from the winding shaft to the stationary section of the tubular motor.
Alternativ oder ergänzend kann das Verbindungselement auch ein Schaumstoffelement aus einem elektrisch leitfähigen Schaumstoff umfassen, zum Beispiel sogenannter ESD-Schaumstoff. Als geeignetes Fasermaterial hat sich dabei PA 6, also Polyamid 6, beziehungsweise Polycaprolactam beziehungsweise Perlon erwiesen. ESD-Schaumstoff ist dabei eine Sammelbezeichnung für Schaumstoffe, die elektrostatisch leitfähig sind (electrostatic discharge, kurz ESD).As an alternative or in addition, the connecting element can also comprise a foam element made of an electrically conductive foam, for example so-called ESD foam.
Auf diese Weise kann mit relativ einfachen Mitteln eine zuverlässige Ableitung einer etwaigen elektrostatischen Aufladung auf der Wickelwelle über einen am Stator angebrachten Erdleiter abgeführt werden, insbesondere über eine als Schutzleiter dienende Ader eines mehradrigen Kabels, über welches der Rohrmotor ansteuerbar und stromversorgbar ist, welche Ader mit dem Gehäuse des Rohrmotors verbunden ist, wohingegen die anderen Adern, in aller Regel zwei Steuerleitungen, sowie einmal Phase und einmal Nullleiter mit der Motorsteuerung verbunden sind. Das Kabel kann dabei einen Anschlussstecker aufweisen, um einen einfachen Einbau zu gewährleisten.In this way, a reliable dissipation of any electrostatic charge on the winding shaft can be dissipated with relatively simple means via an earth conductor attached to the stator, in particular via a core of a multi-core cable serving as a protective conductor, via which the tubular motor can be controlled and supplied with power, which core is connected to is connected to the casing of the tubular motor, whereas the other wires, usually two control lines, and one phase and one neutral wire are connected to the motor control. The cable can have a connector to ensure simple installation.
Besonders gut gegen Umgebungseinflüsse geschützt ist das Verbindungselement im Inneren der Wickelwelle, wo es auch recht einfach einen stromleitenden Pfad zwischen der Wickelwelle und dem stehenden Abschnitt des Elektromotors herstellen kann, wenn der stehende Abschnitt, wie bei Rohrmotoren üblich, ein Gehäuse mit einem rohrförmigen Gehäuseabschnitt aufweist, der aus Metall besteht und in die Wickelwelle eingeschoben ist, an dem das Verbindungselement elektrisch leitend angreifen kann. Dieser rohrförmige Gehäuseabschnitt ist dann selbstredend elektrisch leitend mit der am Gehäuse vorgesehenen Anschlussmöglichkeit zum Anschließen einer Erdungsleitung verbunden, beispielsweise einer Kabelklemme oder einer Kabelklemmschraube oder auch einem offenen Kabelende, beziehungsweise mit dem Erdleiter oder der als Schutzleiter dienenden Ader des Motoranschlusskabels.The connecting element inside the winding shaft is particularly well protected against environmental influences, where it can also quite easily establish a current-conducting path between the winding shaft and the stationary section of the electric motor if the stationary section, as is common with tubular motors, is a Has housing with a tubular housing section which is made of metal and is pushed into the winding shaft, on which the connecting element can engage in an electrically conductive manner. This tubular housing section is then of course electrically conductively connected to the connection option provided on the housing for connecting a grounding line, for example a cable clamp or a cable clamping screw or an open cable end, or to the ground conductor or the wire of the motor connection cable serving as a protective conductor.
Vorteilhaft ist das Verbindungselement dabei insgesamt ringförmig, so dass der gesamte Außenumfang des Rohrmotorgehäuses und der gesamte Innenumfang der Wickelwelle zur Übertragung der elektrostatischen Aufladung zur Verfügung steht. Dabei muss das Verbindungselement nicht zwangsläufig aus einem Stück bestehen. Es wäre vielmehr denkbar, ein aus einzelnen Ringelementen zusammengesetztes, insgesamt aber ringförmig angeordnetes Verbindungselement vorzusehen.The connecting element is advantageously ring-shaped overall, so that the entire outer circumference of the tubular motor housing and the entire inner circumference of the winding shaft are available for the transmission of the electrostatic charge. The connecting element does not necessarily have to consist of one piece. Rather, it would be conceivable to provide a connecting element which is composed of individual ring elements but is arranged in an overall ring shape.
Weiterhin bevorzugt ist das Verbindungselement mitdrehend und elektrisch leitend an der Wickelwelle befestigt und steht mit dem stehenden Abschnitt des Rohrmotors elektrisch leitend in Gleitkontakt. Denn aufgrund der Profilierung der Wickelwelle lässt sich dies relativ leicht umsetzen.Furthermore, the connecting element is preferably attached to the winding shaft in a rotating and electrically conductive manner and is in electrically conductive sliding contact with the stationary section of the tubular motor. Because of the profiling of the winding shaft, this can be implemented relatively easily.
Dazu kann ein an der Wickelwelle angebrachter Träger für das Verbindungselement vorgesehen sein, von dem das Verbindungselement an der Wickelwelle gehalten wird. Der Träger kann dabei aus einem isolierenden Material wie Kunststoff bestehen, um den elektrischen Pfad von der Wickelwelle durch das Verbindungselement hindurch zum Gehäuse des Rohrmotors klar abzugrenzen, wobei das Verbindungselement den Rohrmotor über seine in die Wickelwelle eingeschobene Länge auch vollständig oder zumindest weitgehend abdecken kann, um so eine zusätzliche Schirmung gegen einen unerwünschten Ladungsüberschlag außerhalb des definierten elektrischen Pfads zu bieten.For this purpose, a carrier attached to the winding shaft can be provided for the connecting element, by which the connecting element is held on the winding shaft. The carrier can consist of an insulating material such as plastic in order to clearly delimit the electrical path from the winding shaft through the connecting element to the housing of the tubular motor, wherein the connecting element can also completely or at least largely cover the tubular motor over its length pushed into the winding shaft, in order to provide additional shielding against undesired charge flashover outside the defined electrical path.
Der Träger kann als eine einstückige oder aus mehreren Einzelteilen bestehende, in die Wickelwelle eingesteckte Trägerhülse ausgebildet sein und einen auf der Innenseite des Verbindungselements angeordneten Innenteil und einen auf der Außenseite des Verbindungselements angeordneten Außenteil aufweisen, um das Verbindungselement zu halten, also beispielsweise einen die Pinselfasern des Faserpinsels tragenden Faserträger oder einen Schaumstoffring aus ESD-Schaumstoff. Dabei kann der Innenteil und der Außenteil über das Verbindungselement durchdringende oder überbrückende Befestigungsmittel zusammengefügt sein und so das Verbindungselement einklemmen.The carrier can be designed as a one-piece or from several individual parts, inserted into the winding shaft and have an inner part arranged on the inside of the connecting element and an outer part arranged on the outside of the connecting element in order to hold the connecting element, for example one of the brush fibers of the fiber brush or a foam ring made of ESD foam. In this case, the inner part and the outer part can be joined together via fastening means penetrating or bridging the connecting element and thus clamping the connecting element.
Weitere vorteilhafte Weiterbildungen der Erfindung werden anhand der in den Figuren dargestellten Ausführungsformen der Erfindung näher erläutert. Es zeigen:
Figur 1- eine Prinzipskizze einer gattungsgemäßen Senkrechtmarkise;
Figur 2- eine teilausgeschnittene, perspektivische Ansicht einer Senkrechtmarkise gemäß einer ersten Ausführungsform der Erfindung; und
Figur 3- eine entsprechende Ansicht einer weiteren Ausführungsform der Erfindung.
- Figure 1
- a schematic diagram of a generic vertical awning;
- Figure 2
- a partially cut-out, perspective view of a vertical awning according to a first embodiment of the invention; and
- Figure 3
- a corresponding view of a further embodiment of the invention.
Zunächst wird Bezug genommen auf die
Beim Auf- und Ablassen entsteht somit Reibung des Markisentuchs 4 am Tuchleitprofil 6, was wiederum die Entstehung einer elektrostatischen Aufladung, welche sich auf der Wickelwelle 3 sammelt, bewirkt.
Bei den in den
In the
Die
Das als Faserpinsel ausgebildete Verbindungselement 12, 14 weist dabei einen ringförmigen Faserträger 12 auf, welcher PA-6-Fasern 14 trägt, die am Außenumfang des rohrförmigen Gehäuseabschnitts 10 anliegen, wobei der Faserträger 12 jedoch über den Träger 13, 15 in drehfester Verbindung mit der Wickelwelle 3 gehalten wird. Der Träger 13, 15 weist dabei einen Innenteil 15 und einen Außenteil 13 auf, zwischen denen der Faserpinsel aufgenommen ist und die den Faserpinsel in Position halten.The connecting
Die in der
Abwandlungen und Modifikationen der gezeigten Ausführungsformen sind möglich, ohne den Rahmen der Erfindung zu verlassen.Variations and modifications of the embodiments shown are possible without departing from the scope of the invention.
So wäre es beispielsweise denkbar, anstatt eines ringförmigen Verbindungselements ein sich entlang des rohrförmigen Gehäuseabschnitts erstreckendes, längliches Verbindungselement vorzusehen, beispielsweise in Form einer Bürste.For example, instead of an annular connecting element, it would be conceivable to provide an elongated connecting element, for example in the form of a brush, extending along the tubular housing section.
Claims (15)
einer zwischen zwei Seitenteilen (11) drehbar abstützbaren Wickelwelle (3), an der ein Markisentuch (4) mit seinem einen Ende befestigbar ist, wobei
die Wickelwelle (3) über einen Lagerzapfen an ihrem einen Ende und einen elektrischen Antrieb (2) an ihrem anderen Ende verfügt und darüber an den Seitenteilen (11) abstützbar ist, und wobei
die Wickelwelle (3) als Hohlwelle ausgebildet ist und der elektrischen Antrieb (2) als in die Wickelwelle (3) eingeschobener Rohrmotor, der einen drehfest am zugeordneten Seitenteil (11) anbringbaren stehenden Abschnitt (9) und einen von innen an der Wickelwelle (3) angreifenden, mit der Wickelwelle (3) mitdrehenden Rotationsabschnitt (8) aufweist,
dadurch gekennzeichnet, dass
ein Verbindungselement (12, 14; 32) vorgesehen ist, welches den stehenden Abschnitt (9, 10) mit der drehbaren Wickelwelle (3) elektrisch leitend verbindet, wobei der stehende Abschnitt (9, 10) eine Anschlussmöglichkeit zum Anschließen einer Erdungsleitung aufweist, so dass eine elektrostatische Aufladung von der Wickelwelle (3) über den stehenden Abschnitt (9, 10) und die Erdungsleitung ableitbar ist.Winding shaft arrangement for an awning, preferably a vertical awning, with
a winding shaft (3) which can be rotatably supported between two side parts (11) and to which an awning fabric (4) can be fastened at one end, wherein
the winding shaft (3) has a bearing journal at one end and an electric drive (2) at its other end and can be supported on the side parts (11), and wherein
the winding shaft (3) is designed as a hollow shaft and the electric drive (2) as a tubular motor pushed into the winding shaft (3), which has a stationary section (9) that can be attached non-rotatably to the associated side part (11) and a stationary section (9) from the inside on the winding shaft (3) ) has attacking, with the winding shaft (3) co-rotating rotation section (8),
characterized in that
a connecting element (12, 14; 32) is provided which connects the standing section (9, 10) to the rotatable winding shaft (3) in an electrically conductive manner, the standing section (9, 10) having a connection option for connecting a grounding line, see above that an electrostatic charge can be discharged from the winding shaft (3) via the standing section (9, 10) and the grounding line.
der Einbauraum (1) die Wickelwelle (3) mehrseitig umgibt und an seiner Unterseite eine Tuchauslassöffnung (7) aufweist, durch die das Markisentuch (4) geführt ist, und wobei
das Markisentuch (4) mit seinem einen Ende an der Wickelwelle (3) befestigt ist und an seinem anderen, unteren Ende ein Fallstab (5) befestigt ist, und wobei sich ein Tuchleitprofil (6) entlang der Tuchauslassöffnung (7) erstreckt, welches einen im Querschnitt in etwa nasenförmigen Profilabschnitt aufweist, an dem das Markisentuch (4) aus einer durch den Außenumfang des durch die Wickelwelle (3) und den aufgewickelten Teil des Markisentuchs (4) gebildeten Ballens verlaufenden senkrechten Ebene in eine durch die Tuchauslassöffnung (7) verlaufende senkrechte Ebene umgelenkt wird,
dadurch gekennzeichnet, dass
die Wickelwellenanordnung nach einem der vorhergehenden Ansprüche ausgebildet ist.Vertical awning with a winding shaft arrangement which is arranged in an installation space (1) and which comprises a rotatably mounted winding shaft (3) on which an awning fabric (4) is received, wherein
the installation space (1) surrounds the winding shaft (3) on several sides and on its The underside has a fabric outlet opening (7) through which the awning fabric (4) is guided, and wherein
the awning fabric (4) is attached at one end to the winding shaft (3) and at its other, lower end a drop rod (5) is attached, and wherein a fabric guide profile (6) extends along the fabric outlet opening (7), which a has an approximately nose-shaped profile section in cross-section, on which the awning fabric (4) extends from a bale formed by the outer circumference of the winding shaft (3) and the wound part of the awning fabric (4) into a vertical plane extending through the fabric outlet opening (7) vertical plane is deflected,
characterized in that
the winding shaft arrangement is designed according to one of the preceding claims.
Priority Applications (1)
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EP19020340.6A EP3741955B1 (en) | 2019-05-23 | 2019-05-23 | Vertical awning and rolling shaft |
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EP19020340.6A EP3741955B1 (en) | 2019-05-23 | 2019-05-23 | Vertical awning and rolling shaft |
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EP3741955A1 true EP3741955A1 (en) | 2020-11-25 |
EP3741955B1 EP3741955B1 (en) | 2021-04-07 |
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EP19020340.6A Active EP3741955B1 (en) | 2019-05-23 | 2019-05-23 | Vertical awning and rolling shaft |
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Cited By (2)
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EP4047170A1 (en) | 2021-02-22 | 2022-08-24 | Somfy Activites SA | Electromechanical actuator, motorised drive device comprising such an electromechanical actuator and concealment device comprising such a motorised drive device |
WO2022175518A1 (en) | 2021-02-22 | 2022-08-25 | Somfy Activites Sa | Electromechanical actuator, motorized drive device comprising such an electromechanical actuator and covering device comprising such a motorized drive device |
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