EP0864722B1 - Dispositif pour une déconnexion d'entraínement d'un moteur - Google Patents

Dispositif pour une déconnexion d'entraínement d'un moteur Download PDF

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Publication number
EP0864722B1
EP0864722B1 EP98104573A EP98104573A EP0864722B1 EP 0864722 B1 EP0864722 B1 EP 0864722B1 EP 98104573 A EP98104573 A EP 98104573A EP 98104573 A EP98104573 A EP 98104573A EP 0864722 B1 EP0864722 B1 EP 0864722B1
Authority
EP
European Patent Office
Prior art keywords
torsion spring
switching
housing
spring element
stator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98104573A
Other languages
German (de)
English (en)
Other versions
EP0864722A3 (fr
EP0864722A2 (fr
Inventor
Selve GmbH & Co. KG Ernst
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.)
Ernst Selve & Co KG GmbH
Original Assignee
Ernst Selve & Co KG GmbH
Selve Ernst Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ernst Selve & Co KG GmbH, Selve Ernst Co KG GmbH filed Critical Ernst Selve & Co KG GmbH
Publication of EP0864722A2 publication Critical patent/EP0864722A2/fr
Publication of EP0864722A3 publication Critical patent/EP0864722A3/fr
Application granted granted Critical
Publication of EP0864722B1 publication Critical patent/EP0864722B1/fr
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
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E06B2009/6854—Control using sensors sensing torque

Definitions

  • the invention relates to a torque-dependent shutdown device for an electric motor that has an armature and has a stator attached to a housing, with a rod-shaped bearing device for the stator, one end of which is connected to the stator and the other end thereof in one fixed engine mount is mounted, and with at least a switch that when a predetermined torque is reached due to the rotation of the stator relative to one Section of the rod-shaped bearing device by means of a Switching element arranged within the housing can be actuated is.
  • Such a shutdown device turns off the drive electrically operated shutters, roller shutters, awnings and the like applied.
  • the stator associated end has two radially projecting levers that are recorded in recordings, which over the housing with the Stator of the electric motor are rotatably connected.
  • the pressure bar is a torsion claimed, but dimensionally stable component, which in the case of a Blocking the shaft of the electric motor the then occurring Counter torque is transmitted to the sensors.
  • the Electric motor brought about. This is caused by the fact that an evaluation circuit processes the signals from the sensors and, for example in the case of a very large pressure increase per time, for switches off the electric motor. So it finds one Real-time monitoring of the torque acting on the motor shaft instead of what a delay-free transmission of the Torque on the sensors using the pressure bar.
  • This known shutdown device has the disadvantage that the Evaluation circuit is required to slow braking of the motor in the event of a blockage of the motor shaft. Due to the shape of the Pressure bar would replace the sensors with switches cause the engine to stop suddenly.
  • the Use of the evaluation circuit allows the motor with increasing pressure on the sensors at lower speed to operate, especially to bring it to a standstill with a delay.
  • This shutdown device has the disadvantage that between the Housing of the electric motor and the motor mount a complex Shutdown setup is required, which when installing the Electric motor at an additional cost, also to the required Components, leads and is also space-consuming.
  • the invention is based on the object to create a torque-dependent shutdown device that is space-saving and if the electric motor is blocked, especially its shaft, favorable for the engine Has properties.
  • the bearing device as a torsion spring element allows the electric motor in the event of a lock is cushioned and therefore not suddenly when switched off comes to a standstill.
  • the switch is on the inside Housing of the electric motor attached while the switching element is attached to the torsion spring element, namely an intermediate section that is substantially stationary.
  • the intermediate section is on the engine side Arranged end of the housing and therefore has only a small Distance to the engine mount itself. Due to the small distance to the The intermediate section experiences engine mounts in the event of torsion of the torsion spring element only an extremely small angular deflection, while the housing of the electric motor is the same Angle deflection experiences like the stator end of the torsion spring element.
  • the distance of the intermediate section is preferably to the motor mount significantly larger than to the stator side End of the torsion bar.
  • the torsion spring element is preferably designed as a square rod, the coaxial to the axis of rotation of the armature of the electric motor is arranged.
  • This training as a square bar allowed a particularly simple storage of the torsion spring element in in this case, appropriately trained engine mounts.
  • one end of the torsion spring element is included connected to an anchor plate with its peripheral surface is attached to the housing.
  • This connection between anchor plate and torsion spring element can be rigid.
  • the anchor plate in its middle Area has a recess with at least one pocket.
  • the end of the torsion spring element assigned to the stator has at least one to work with Pocket trained radial cam.
  • This cam is in this embodiment over a predetermined angular interval movable within the pocket of the anchor plate.
  • the housing is initially free to rotate accomplished over the predetermined angular interval before the cam comes to rest against a stop of the pocket. This is particularly useful when the engine is running external influences, for example by pushing the Slats of a roller shutter that is driven by the motor, is delayed so that braking of the engine by means of Torsion spring rod is not required.
  • switches and switching element are designed so that when reached the stop of the bag by the cam of the torsion spring element a shutdown takes place.
  • the housing is preferably tubular.
  • This training is particularly suitable for operating roller shutters, Roller shutters or awnings powered by the electric motor become.
  • tubular motors are used in these applications used that carry the stator in the area of one end and have at its other end a lid that with an opening for the torsion spring element is provided.
  • the switch and the switching element can be inside of the housing advantageously in the region of the opening of the Lid be arranged.
  • the switching element is preferably designed as a shift lever, which is essentially perpendicular to the torsion spring element for Interacting with the switch is arranged on the housing is attached. Because the shift lever at an intermediate section of the torsion spring element is arranged, the low Distance to the engine mount, it remains when the Motor shaft essentially stationary, while the switch of Rotation of the stator and the housing follows.
  • the switch can be attached to a switching disc slidably attached to the inside of the lid and with an adjustment cam protruding through the cover is provided.
  • the adjustment cam is used to move the Switch disc and thus the switch in the tangential direction of the torsion spring element.
  • the lid is attached to a metal tube, which is preferred daa forms tubular housing. This is how everyone is components involved in the shutdown of the electric motor in close to the engine mount, but located within the housing.
  • the switch is on the Torsion spring element attached while the shift lever is slidable is attached to the inside of the lid.
  • the Shift lever or the switch can be used in both alternatives Embodiments of the arrangement in the tangential direction against each other be displaced, with the angular distance the switch to the shift lever changes, especially as desired can be adjusted. This angular distance corresponds a torque acting on the torsion spring element, where the electric motor is to be switched off.
  • DMS switching element
  • the electric motor is switched off via switch-off electronics preferably attached to the housing, which are the output signals of the strain gauge processed, for example, braking the Electric motor causes a blockage of its shaft before is switched off.
  • Fig. 1 is a longitudinal sectional view of a tubular motor with a torque-dependent shutdown device, the Tubular motor has a housing 1, which consists of a metal tube is formed.
  • the tubular motor can be used to create a To drive shutters, a roller shutter, an awning or the like.
  • the tubular motor is in a polygonal Motor shaft 2 made of pipe material, on which a roller shutter curtain 3 is wound.
  • a gear 4 is provided on the gear side of the tubular motor, which has a gear shaft 5 on which a polygonal, fitting into the motor shaft 2 Output attachment piece 6 is located.
  • gearbox 4 Connect to gearbox 4 an anchor in the axial direction of the tubular motor 7, which is connected to the transmission shaft 5 via the transmission 4 is, a stator 8 on the inside of the housing 1 for Cooperation with the anchor 7 arranged in the usual way is, and a brake 9.
  • a torsion spring rod 12 is provided, which is in the axial direction of the housing 1 is arranged, namely coaxially with the axis of rotation of the armature 7.
  • the gear end 11 of the torsion spring bar 12, which is square, is on one Anchor plate 10 attached.
  • the anchor plate 10 extends perpendicular to the torsion spring bar 12, the peripheral surface the anchor plate 10 attached to the inside of the housing 1 and thus the transmission-side or stator-side end 11 of the Torsion spring rod 12 with the stator 8 for the transmission of Force is connected.
  • An end 13 of the torsion spring rod opposite the end 11 12 protrudes from an opening 30 of a lid 14 from the Housing 1 out.
  • the cover 14 forms the front end of the housing 1 and is attached to the housing 1, for example screwed to this.
  • the end 13 of the torsion spring rod protruding from the housing 1 12 can because of its square shape in one fixed, for example attached to a building wall, Engine bearing 38 engage that a corresponding square Has recess.
  • an inner square bearing bush 39 is provided which Torsion spring rod 12 is mounted in the opening 30 so that the Bearing bush 39 rotatably connected to the torsion spring bar 12 is.
  • the bearing bush 39 is by means of a shoulder on the Outside of the cover 14 against an axial displacement inside and by means of one attached to the outside of the cover 14 Mounting cover 40 against axial displacement secured to the outside.
  • a press fit one of the bearing bush 39 corresponding in its bearing function Bearing bushing may be provided on the torsion bar 12.
  • limit switches 15, 25 On the inside of the cover 14 are two limit switches 15, 25 each on a rotatably mounted around the torsion spring bar 12 Switch disc 16, 26 attached.
  • the shift levers 17, 27 and limit switches 15, 25 interact in pairs, being in a starting position of the torsion spring bar without torsional stress each shift lever 17, 27 to that assigned to it Limit switches 15, 25 at a predetermined distance d1 or d2 lies. This distance d1 or d2 determines the angular deflection the torsion spring rod 12 due to torsional stress, where one of the two limit switches 15, 25 is operated.
  • An actuation of the limit switches 15, 25 causes a shutdown of the tubular motor.
  • electrical lines 19 provided by the stator 8 through the armature plate 10 are guided to the limit switches 15, 25.
  • switch disks 16, 26 each have adjustment cams 18, 28 equipped by the cover 14 after protrude on the outside and used to adjust the distance d1 or d2 can be.
  • the arrangement of the limit switches 15, 25, the shift lever 17, 27 and the switch disks 16, 26 in the region of the intermediate section 31 is clear from Fig. 2.
  • the switch disks 16, 26 set so that the limit switches 15, 25 are in relation to the torsion bar 12 face each other.
  • the shift levers 17, 27 are arranged at an obtuse angle to each other, so that itself between the shift lever 27 and that assigned to it Limit switch 25 a distance d1 and between the shift lever 17th and adjusts the limit switch 15 assigned to it a distance d2.
  • the distances d1 and d2, which correspond to angular intervals, can, depending on the direction of rotation of the motor shaft 2 and the associated direction of movement of the roller shutter curtain 3, be different. In particular, can be taken into account be that when pulling up the roller shutter 3 a larger Suspension of the motor shaft 2 by the torsion spring bar 12 takes place as when the roller shutter curtain 3 is lowered.
  • Fig. 3 shows an alternative embodiment of the stator End region of the torsion spring bar 12. Otherwise remains the structure of the tubular motor explained with reference to FIGS. 1 and 2 the shutdown device the same.
  • this embodiment has an anchor plate 32 which, like the anchor plate 10, on the housing 1 is fixed, a recess 33.
  • the recess 33 is composed of a circular area from which opposing pockets 34 extending radially outward are provided. Each pocket 34 is through to its sides radially extending stops 35 limited.
  • a plate 36 is provided which lies in the recess 33.
  • the Plate 36 has two radially extending cams 37 which are dimensioned in this way are that they are within a respective pocket 34 of the Recess 33 movable over a predetermined angular interval are.
  • the stator-side end region of the Torsion spring rod 12 it is possible that in the case of a Blocking the motor shaft 2, the housing 1 of the tubular motor Counter torque that occurs is initially free over the angular interval that rotates by the size of the angular arches of the pockets 34 and cam 37 is determined. This is approaching - how in the previous example - those not shown here Switch lever the limit switches for actuation.
  • roller shutter 3 blocked the motor shaft 2 on which the Roller shutter armor 3 is wound, is on the output attachment 6 the tubular motor on the gear shaft 5 blocked. Consequently the housing 1, which carries the stator 8, is rotated, whereby dae end 11 of the torsion spring rod 12 on the transmission side around the motor bearing end 13 of the torsion spring bar 12 is rotated.
  • This effect occurs in the second illustrated embodiment for the gear-side end area of the torsion spring bar 12 with delay.
  • the angular interval is between one of the switches 15 or 25 and that switch assigned shift lever 17 or 27 larger than the angular interval, that of the cams 37 between the respectively assigned Stops 35 can be covered.
  • the pulling brake 9 of the switched off motor holds the torque the housing 1 in the rotated position to the torsion spring bar 12, 37 and the respectively operated limit switch 15, 25 remains open.
  • the torsion spring bar 12 with the plate 36 and the anchor plate 32 can be used with the recess 33, the following Setting can be made.
  • the angular distance between the limit switches 15, 25 and the switching levers 17, 27 can so be dimensioned so that it corresponds to the angular distance that the Cam 37 of the plate 36 to the opposite one Stop 35 can cover.
  • one Lowering the roller shutter 3 the slats of the Roller shutter curtain 3 slide towards each other and thereby the tubular motor brake already, achieved the following.

Claims (9)

  1. Dispositif de déconnexion dépendant du couple moteur pour un moteur électrique, qui présente un induit (7) et un stator (8) fixé à un boítier (1), avec un dispositif de support en forme de tige pour le stator (8) dont l'une des extrémités est reliée au stator (8) et dont l'autre extrémité est positionnée dans un support de moteur fixe, et avec au moins un commutateur (15, 25) qui, lorsqu'un couple moteur prédéterminé est atteint, peut être actionné, en raison du mouvement de rotation du stator (8) par rapport à une section du dispositif de support en forme de tige, au moyen d'un élément de commutation (17, 27) placé à l'intérieur du boítier (1), caractérisé en ce
    que le dispositif de support est configuré comme un élément de ressort à torsion et
    que le commutateur (15, 25) est fixé à l'intérieur au boítier (1) et l'élément de commutation (17, 27) à une section intermédiaire substantiellement fixe (31) de l'élément du ressort à torsion, placée dans le boítier (1), ou vice-versa, pour l'actionnement du commutateur (15, 25) avec l'élément de commutation (17, 27).
  2. Dispositif de déconnexion selon la revendication 1, caractérisé en ce que l'élément de ressort à torsion est configuré comme une barre carrée (12) qui est placée coaxialement par rapport à l'axe de rotation de l'induit (7) du moteur électrique.
  3. Dispositif de déconnexion selon l'une des revendications 1 ou 2, caractérisé en ce que l'une des extrémités (11) de l'élément de ressort à torsion est reliée à une plaque d'induit (10), qui est fixée avec sa surface périphérique au boítier (1), pour la transmission de la force entre le stator (8) et l'une des extrémités (11) de l'élément du ressort à torsion.
  4. Dispositif de déconnexion selon la revendication 1 ou 2, caractérisé en ce
    que l'une des extrémités (11) de l'élément de ressort à torsion est équipée d'au moins un ergot situé radialement (37),
    que l'une des extrémités (11) de l'élément de ressort à torsion est reliée à une plaque d'induit (32) qui est fixée avec sa surface périphérique au boítier (1) pour la transmission de la force entre le stator (8) et l'une des extrémités (11) de l'élément du ressort à torsion,
    que la plaque d'induit (32) présente, dans sa zone du milieu, un évidement (33) avec au moins une poche (34) dont l'arc d'angle est dimensionné de manière telle que l'ergot (37) de l'une des extrémités (11) de l'élément de ressort à torsion est mobile sur un intervalle d'angle prédéterminé.
  5. Dispositif de déconnexion selon l'une des revendications 1 à 4, caractérisé en ce que le boítier (1) est configuré en forme de tube et porte le stator (8) dans la zone de l'une de ses extrémités (11) et présente, à son autre extrémité, un couvercle (14) qui est pourvu d'une ouverture (30) pour l'élément de ressort à torsion et que le commutateur (15, 25) et l'élément de commutation (17, 27) sont placés dans la zone de l'ouverture (30).
  6. Dispositif de déconnexion selon la revendication 5, caractérisé en ce que le commutateur (15, 25) est fixé sur une rondelle de commande (16, 26) qui est fixée mobile sur le côté intérieur du couvercle (14) et est pourvu d'un ergot de réglage (18, 28) qui pénètre à travers le couvercle (14) vers l'extérieur et le couvercle (14) est fixé à un tube de métal qui forme le boítier (1).
  7. Dispositif de déconnexion selon la revendication 5, caractérisé en ce que le commutateur (15, 25) est fixé à l'élément de ressort à torsion et l'élément de commutation (17, 27) est fixé mobile sur le côté intérieur du couvercle (14) et le couvercle est relié à un tube de métal qui forme le boítier (1).
  8. Dispositif de déconnexion selon l'une des revendications 1 à 7, caractérisé en ce que l'élément de commutation (17, 27) est configuré comme un levier de commutation qui est placé substantiellement perpendiculairement à l'élément de ressort à torsion pour agir concouramment avec le commutateur (15, 25).
  9. Dispositif de déconnexion selon l'une des revendications 1 à 7, caractérisé en ce que l'élément de commutation est réalisé comme jauge d'allongement.
EP98104573A 1997-03-13 1998-03-13 Dispositif pour une déconnexion d'entraínement d'un moteur Expired - Lifetime EP0864722B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19710390A DE19710390A1 (de) 1997-03-13 1997-03-13 Vorrichtung zur Antriebsabschaltung des Motors elektrisch betriebener Rolläden, Markisen, Rolltore u. dgl.
DE19710390 1997-03-13

Publications (3)

Publication Number Publication Date
EP0864722A2 EP0864722A2 (fr) 1998-09-16
EP0864722A3 EP0864722A3 (fr) 1999-04-14
EP0864722B1 true EP0864722B1 (fr) 2000-12-27

Family

ID=7823246

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98104573A Expired - Lifetime EP0864722B1 (fr) 1997-03-13 1998-03-13 Dispositif pour une déconnexion d'entraínement d'un moteur

Country Status (2)

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EP (1) EP0864722B1 (fr)
DE (2) DE19710390A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3163007A1 (fr) 2015-10-29 2017-05-03 Becker-Antriebe GmbH Dispositif de déclenchement de fin de course d'un entraînement motorisé d'un arbre d'enroulement d'un volet roulant

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2816465A1 (fr) * 2000-11-06 2002-05-10 Fial Dispositif pour arreter un moteur d'entrainement d'un tube d'enroulement d'un store, en fonction d'une mesure du couple exerce sur ledit moteur
DE10218572A1 (de) * 2002-04-26 2003-11-06 Schmitz Werke Markise, insbesondere Wintergartenmarkise
DE102004018157B4 (de) * 2004-04-08 2006-01-26 Mhz Sonnenschutztechnik Gmbh Gegenzugmarkise mit nur einem Endschalter
JP5127720B2 (ja) 2005-11-23 2013-01-23 ティーアールダブリュー・オートモーティブ・ユーエス・エルエルシー 電気式パワーステアリングシステム
ITMI20081518A1 (it) * 2008-08-13 2010-02-14 Corrado Scata Dispositivo di supporto di motori elettrici per tapparelle
DE102011051336B3 (de) * 2011-06-27 2012-09-20 Stg-Beikirch Industrieelektronik + Sicherheitstechnik Gmbh & Co. Kg Antriebseinrichtung
FR3014937B1 (fr) * 2013-12-18 2019-06-14 Bubendorff Fin de course d'enroulement ou de deroulement de tablier de systeme d'occultation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2830360A1 (de) * 1978-07-11 1980-01-24 Gross Hans Antriebsvorrichtung fuer rolladen, jalousien, markisen o.dgl.
JPS56133637A (en) * 1980-03-24 1981-10-19 Agency Of Ind Science & Technol Torque meter for grinder
FR2645104B1 (fr) * 1989-03-30 1994-05-06 Valeo Electronique Dispositif d'assistance pour l'entrainement en rotation d'un arbre a barre intermediaire de torsion, notamment d'une colonne de direction de vehicule automobile
FR2666893A1 (fr) * 1990-09-13 1992-03-20 Charmes Joel Dispositif de detection de couple adapte aux motoreducteurs tubulaires munis de fin de course.
ES2083134T3 (es) * 1991-09-24 1996-04-01 Selve Ernst Gmbh Co Kg Dispositivo para la desconexion de accionamiento del motor de las persianas, puertas de rodillos, marquesinas o de otros dispositivos similares electricamente accionados.
DE19610877A1 (de) * 1995-06-30 1997-01-02 Becker Antriebe Gmbh Vorrichtung zur Steuerung eines Antriebes für Rolläden, Rolltore o. dgl.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3163007A1 (fr) 2015-10-29 2017-05-03 Becker-Antriebe GmbH Dispositif de déclenchement de fin de course d'un entraînement motorisé d'un arbre d'enroulement d'un volet roulant
DE102015118492A1 (de) 2015-10-29 2017-05-04 Becker-Antriebe Gmbh Vorrichtung zur Endabschaltung einer motorischen Antriebsvorrichtung einer Wickelwelle eines Rollladens

Also Published As

Publication number Publication date
DE19710390A1 (de) 1998-09-17
EP0864722A3 (fr) 1999-04-14
DE59800398D1 (de) 2001-02-01
EP0864722A2 (fr) 1998-09-16

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