EP2933411A1 - Antriebseinrichtung einer schiebetür - Google Patents

Antriebseinrichtung einer schiebetür Download PDF

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Publication number
EP2933411A1
EP2933411A1 EP15164118.0A EP15164118A EP2933411A1 EP 2933411 A1 EP2933411 A1 EP 2933411A1 EP 15164118 A EP15164118 A EP 15164118A EP 2933411 A1 EP2933411 A1 EP 2933411A1
Authority
EP
European Patent Office
Prior art keywords
movable portion
fixed portion
movable
closing element
low
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
EP15164118.0A
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English (en)
French (fr)
Other versions
EP2933411B1 (de
Inventor
Andrea PAGLIAROLI
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.)
Trelinea Srl
Trelinea Srl
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Trelinea Srl
Trelinea Srl
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Publication of EP2933411A1 publication Critical patent/EP2933411A1/de
Application granted granted Critical
Publication of EP2933411B1 publication Critical patent/EP2933411B1/de
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/60—Power supply; Power or signal transmission
    • E05Y2400/65—Power or signal transmission
    • E05Y2400/656—Power or signal transmission by travelling contacts
    • E05Y2400/658—Power or signal transmission by travelling contacts with current rails

Definitions

  • the present invention concerns the field of sliding doors, and in particular devices controlling their movement.
  • the present invention particularly relates to the field of so-called pedestrian sliding doors.
  • a further object of the present invention is to provide a device for the movement of sliding doors, wherein a single fixed portion can be used together with various types of closing elements therefore having different size.
  • the present invention achieves these and other objects by means of a device according to claim 1. Preferred aspects are set forth in dependent claims.
  • a device for the movement of sliding doors of the type comprising a base structure and at least one closing element sliding relative to the base structure, comprises at least one fixed portion and at least one movable portion.
  • the fixed portion is constrainable to the base structure of the door, whereas the movable portion is constrainable to the closing element. More in detail, the fixed portion comprises guiding means to guide the movable portion.
  • the device is provided with movement means comprising at least one linear electric motor, which has the active portion integral with the movable portion of the device and, preferably, also at least one sliding element to slide on the guide means.
  • Active portion means the portion of the motor provided with windings causing the motion of the linear motor, i.e. the driving portion.
  • a linear motor comprises an element provided with active windings (the “active portion”), that can be likened to the rotor of a rotary motor, and an element provided with a passive magnet, that can be likened to the stator of a rotary motor.
  • the fixed portion typically the guiding means, comprises converting means for the conversion of electric power.
  • the guiding means are electrically connected to a source, typically the 220V national electric network.
  • Converting means output direct current having low or extra-low voltage, preferably comprised between 12V and 48V.
  • This direct current is preferably transmitted to one or more elongated elements, or “tracks”, arranged so as to face the movable portion, thereby transmitting electric power from the guiding means to the electric motor.
  • the energy transmission between the fixed portion and the movable portion takes places through mobile contact means, typically brushes, so as to allow the electrical continuity between the two components moving with respect to each other.
  • the movable portion comprises additional converting means for the conversion of the electric power, which receive the input electric current having low or extra-low voltage and output three-phase current to supply the electric motor (or the electric motors).
  • this operation is carried out by means of a vector inverter.
  • the converting means By providing continuous electrical power to the mobile portion, the converting means, and in particular the vector inverter, can easily provide the correct power supply to the active part, typically a specially modulated three-phase electric current.
  • the device comprises controlling means to control the active portion, which are arranged so as to be integral with the movable portion. These controlling means generally require direct current supply. Such a power supply is directly provided to the movable portion from the fixed portion.
  • the active part of the linear motor and preferably also of the controlling means, can therefore be easily positioned on the movable portion of the device, i.e. on the closing element of the door. Therefore, the movable portion itself actuates, and preferably also manages, the movement of the movable portion independently of the fixed portion of the device.
  • the fixed portion is a completely passive element, since the movement is managed only by the movable portion of the device.
  • elongated elements i.e. the guiding means
  • 220V alternating current or any other high-voltage alternating current, potentially exposed to the outside and therefore dangerous to humans.
  • the controlling means comprise position sensors.
  • a device 1 for the movement of sliding doors comprises a fixed portion 2 and at least one movable portion 3.
  • the figures show a preferred embodiment, in which the sliding door is a pedestrian sliding door.
  • the fixed portion 2 is constrainable, by means of constraints 11 known in the art, to the base structure 4 of the door.
  • the base structure 4 is part of one or more walls of the building or the room where the door is integrated in, whereas the movable portion 3 is integrally constrainable to a closing element 5 of the door, typically in the form of door leaf.
  • a closing element 5 of the door typically in the form of door leaf.
  • the device 1 will be provided with a suitable number of movable portions 3.
  • the movable portion 3 can translate, usually in a linear way, relative to the fixed portion 2.
  • the fixed portion 2 comprises guiding means 15 to guide to movable portion 3.
  • the guiding means 15 comprise supports 7 allowing the movable portion 3 to slide thereon.
  • the supports 7 can be of different kinds and they are generally shaped as tracks. However, the use of supports operating without direct contact with the movable portion 3, for example magnetic levitation systems, is contemplated.
  • such supports are at least partially made of electrically conductive material, for example by means of bars of metal material.
  • these metal materials can include copper or steel.
  • An electrical connection 10 known in the art can connect the supports 7 to a power source 9, typically the national electric network.
  • the power source 9 and the connection 10 are schematically shown in figures.
  • the power source 9 is depicted as an alternating current power source, although a direct current power source is also possible.
  • mobile contact elements are arranged between the supports 7 and the movable portion 3.
  • the mobile contact elements guarantee electrical continuity between the movable portion 3 and the supports 7.
  • the adjective “mobile” does not refer to the “elements” of contact, but to the "contact” itself.
  • these contact elements are generally integral with the movable portion 3 or the fixed portion 2, and are able to guarantee the electrical continuity between the two portions even if they are moving relative to one another.
  • brush contact elements can be used.
  • the source 9 is the national electric network, which supplies 220V alternating current.
  • figure 1 shows in dotted line an alternative embodiment wherein a part 2a of the fixed portion 2 is made of an electrically conductive material and is connected to a source 9a by means of an electrical connection 10a.
  • Mobile contact elements 16a schematically shown, electrically connect the fixed portion 2 to the movable portion 3.
  • a direct current having low or extra-low voltage preferably comprised between 12V and 48V, is supplied to the supports 7.
  • a transformer 12 schematically shown in figures, is interposed between the power source 9 and the supports 7 in order to supply them with the aforementioned direct current, having low or extra-low voltage.
  • the fixed portion 2 is provided with the passive portion of a linear electric motor, i.e. the above described passive magnets.
  • the fixed portion is provided with one or more magnetic elements 8, preferably permanent magnets, or anyway elements adapted to generate a magnetic field along at least part of the length of the device 1, i.e. the sliding direction of the closing element 5.
  • the magnetic elements comprise rare earths and, in particular in the embodiment shown in the figures, the magnetic elements 8 comprise neodymium. Additionally, the magnetic elements 8 can be coupled to elements 17 made of ferromagnetic material in order to help generate and stabilize a magnetic field.
  • the device 1 further comprises movement means M, 8, 6 adapted to allow the fixed portion 2 and the movable portion 3 to translate relative to one another.
  • the movable portion 3 is provided with the active portion M of the linear electric motor M, 8.
  • the active portion M comprises at least one element provided with electric windings, acting as an active portion M of a linear motor.
  • the linear electric motor M, 8 is a three-phase synchronous linear motor.
  • the magnetic elements 8 and the active portion M form a linear motor 8, M.
  • the magnetic elements 8 can be likened to the stator of a rotary motor, whereas the active portion M can be likened to the rotor of a rotary motor.
  • the linear electric motor M, 8 is a three-phase motor, whereas the active portion M is supplied by means of the supports 7, or similar elements, powered by direct current.
  • Converting means 14 are interposed between and electrically connected to the supports 7, or anyway the fixed portion 2, and the electric motor M.
  • the converting means comprise a vector inverter 14 schematically shown in figures. Although the shown embodiment has proven to be particularly suitable for the invention, other types of inverters or converting means can be used.
  • the movement of the movable portion 3 relative to the fixed portion 2 can take place in many ways.
  • the device 1 comprises controlling means 13 to control the active portion M.
  • these controlling means are arranged on the movable portion 3.
  • the controlling means comprise at least one programmable control unit C.
  • the programmable control unit C is provided with functions for controlling the active portion M of the linear motor M, 8.
  • controlling means 13 further comprise sensors SN, schematically shown in figures, arranged on the movable portion 3 of the device 1 so as to detect the position of the movable portion 3 relative to the fixed portion 2.
  • the sensors SN are linear encoders.
  • different types of sensors could be used, such as Hall effect sensors, non-linear encoders, etc.
  • the described system allows the use of the overall width of the sliding closing element, so as to be able to house the active portion M of the linear motor M, 8 and possibly the sliding elements 6, thereby preventing the need of overlaps, used by similar systems provided with mobile magnets and fixed motor, and allowing the customization of the travel length of the closing element.
  • the device 1 further allows to use the same guiding means 15 to simultaneously operate multiple active portions M and therefore multiple closing elements 5 of the door, with synchronized movements in the same direction or in the opposite direction, as normal double doors, also independently from one another.
  • the source 9 supplies electric power to the supports 7, or similar elements, of the fixed portion 2 of the device 1.
  • a transformer 12 converts the current supplied by the source 9 into direct current having low or extra-low voltage, in particular preferably comprised between 12V and 48V. Through the mobile contact elements, this current is transmitted from the fixed portion 2 to the mobile portion 3 of the device 1.
  • An inverter 14 further converts the electric current in order to supply the active portion M with a three-phase, suitably modulated, alternating current, for example a 30V current.
  • controlling means govern the operations of the active portion M so as to control the movement of the respective closing element 5.
EP15164118.0A 2014-04-18 2015-04-17 Antriebseinrichtung einer schiebetür Active EP2933411B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20140738 2014-04-18

Publications (2)

Publication Number Publication Date
EP2933411A1 true EP2933411A1 (de) 2015-10-21
EP2933411B1 EP2933411B1 (de) 2018-10-03

Family

ID=51033331

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15164118.0A Active EP2933411B1 (de) 2014-04-18 2015-04-17 Antriebseinrichtung einer schiebetür

Country Status (3)

Country Link
EP (1) EP2933411B1 (de)
ES (1) ES2703927T3 (de)
TR (1) TR201819278T4 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3839183A1 (de) * 2019-12-17 2021-06-23 Oscar Torrabias Cantal Automatische tür mit ausgeglichener bewegung
US11591839B2 (en) * 2018-02-02 2023-02-28 Zhongshan Opike Hardware Products Co., Ltd Telescopic linear motor structure for sliding door

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852626A (en) * 1971-08-30 1974-12-03 M Davis Linear induction motor
US5661350A (en) * 1992-11-04 1997-08-26 Ecole Normale Superieure De Cachan (Lesir) Electromechanical converter device, producing linear motion
JP2000265744A (ja) * 1999-03-12 2000-09-26 Daiken Trade & Ind Co Ltd 室内用自動引き戸装置
DE102005002041A1 (de) * 2005-01-14 2006-07-27 Dorma Gmbh + Co. Kg Schiebetür mit einem magnetischen Antriebssystem und einem mechanischen Hilfsantrieb

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852626A (en) * 1971-08-30 1974-12-03 M Davis Linear induction motor
US5661350A (en) * 1992-11-04 1997-08-26 Ecole Normale Superieure De Cachan (Lesir) Electromechanical converter device, producing linear motion
JP2000265744A (ja) * 1999-03-12 2000-09-26 Daiken Trade & Ind Co Ltd 室内用自動引き戸装置
DE102005002041A1 (de) * 2005-01-14 2006-07-27 Dorma Gmbh + Co. Kg Schiebetür mit einem magnetischen Antriebssystem und einem mechanischen Hilfsantrieb

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11591839B2 (en) * 2018-02-02 2023-02-28 Zhongshan Opike Hardware Products Co., Ltd Telescopic linear motor structure for sliding door
EP3839183A1 (de) * 2019-12-17 2021-06-23 Oscar Torrabias Cantal Automatische tür mit ausgeglichener bewegung

Also Published As

Publication number Publication date
ES2703927T3 (es) 2019-03-13
EP2933411B1 (de) 2018-10-03
TR201819278T4 (tr) 2019-01-21

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