WO2016005429A1 - Installation d'ascenseur équipée d'un dispositif de freinage sur la cabine et procédé servant à faire fonctionner ladite installation d'ascenseur - Google Patents

Installation d'ascenseur équipée d'un dispositif de freinage sur la cabine et procédé servant à faire fonctionner ladite installation d'ascenseur Download PDF

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Publication number
WO2016005429A1
WO2016005429A1 PCT/EP2015/065559 EP2015065559W WO2016005429A1 WO 2016005429 A1 WO2016005429 A1 WO 2016005429A1 EP 2015065559 W EP2015065559 W EP 2015065559W WO 2016005429 A1 WO2016005429 A1 WO 2016005429A1
Authority
WO
WIPO (PCT)
Prior art keywords
car
force
service brake
measured
drive
Prior art date
Application number
PCT/EP2015/065559
Other languages
German (de)
English (en)
Inventor
Eduard STEINHAUER
Original Assignee
Thyssenkrupp Elevator Ag
Thyssenkrupp Ag
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 Thyssenkrupp Elevator Ag, Thyssenkrupp Ag filed Critical Thyssenkrupp Elevator Ag
Publication of WO2016005429A1 publication Critical patent/WO2016005429A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
    • B66B1/304—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor with starting torque control

Definitions

  • the present invention relates to an elevator system with a braking device on the car and a method for operating such an elevator system, in particular when starting the car.
  • PRIOR ART DE 39 15 304 A1 discloses a catching device for a lift cage.
  • a car In the elevator system treated there, a car is driven by two traction elements (chains), which are connected via pulleys with a counterweight, by a drive-brake unit.
  • the catching device is formed by a catching member, which is connected via a respective spring accumulator with the elevator cage and with the counterweight.
  • load cells are interposed at all four ends.
  • DE 10 2009 038 497 A1 relates to a method for driving capability measurement in a traction sheave elevator.
  • a traction sheave elevator the car is held solely by the friction of the drive cables on the traction sheave. It is a tester with a first sensor on the drive rope on the
  • the present invention is based on an elevator system, in which a brake device is present on the car, which is consequently moved together with the car, for example, for braking brake shoes (brake pads) act on a permanently installed in the vehicle shaft guide rail.
  • a brake device is present on the car, which is consequently moved together with the car, for example, for braking brake shoes (brake pads) act on a permanently installed in the vehicle shaft guide rail.
  • two (or more) guide rails two (or more)
  • the brake device (or service brake) treated here thus does not act directly on, for example, the traction sheave or rope of a traction sheave elevator.
  • Service brakes treated here can be designed, for example, in a cable lift or in a cable-free elevator in the manner described below.
  • the There described braking device can be designed as a service brake and / or as a safety gear.
  • FIG. 1 shows a cable lift 100 with a car 1, in a conventional manner by a traction sheave 3 with motor in a not shown
  • Elevator shaft is moved.
  • the car 1 is connected via a cable 2 with a counterweight 5.
  • the rope is deflected at the traction sheave 3 and at a further deflection roller 4 to the counterweight 5 out.
  • the service brakes as traction disc brakes or as rope brakes that act directly on the blade 3 and the rope 2, executed.
  • the service brake 6 is arranged on the car 1 and moves together with the car 1 in the predetermined direction.
  • the service brake 6, for example have brake shoes that act on a (not shown) guide rail or separately provided for this purpose rails. An additional existing safety brake is not shown for clarity.
  • the car 1 of a cable lift 100 usually hangs on more than one cable 2, which is also not shown for clarity.
  • the cables 2 may be so-called support straps (instead of suspension cables), which are more elastic than previously used suspension cables.
  • the elasticity of the rope 2 is illustrated in FIG. 1 as a spring.
  • the drive of the traction sheave 3 is turned off.
  • the car 1 is first an uncontrolled jump down (car weight greater than the weight of the counterweight) or up (car weight less than the weight of
  • the setpoint of the necessary drive torque M MOT before deactivating the service brake 6 can thus be derived from the car mass m FK , the payload Q, the weight of the counterweight m GG and other variables (weight of the ropes, friction, etc.). Since the setpoint of the
  • Too large drive torque ⁇ ⁇ ⁇ leads to a bias of the ropes and to an uncontrolled jump of the car 1 up when disabling the service brake 6, which can not be compensated by the drive.
  • the generation of too low a drive torque ⁇ ⁇ ⁇ can lead to sagging of the elevator car 1.
  • Linear actuators 13 in operative connection to be moved along a predetermined path. Again, the service brake 16 on the car 11th
  • the elevator system according to the invention comprises a car, a drive for moving the car along a travel path and a service brake arranged on the car for braking or holding the car (in its functions as an emergency brake or holding brake).
  • a service brake arranged on the car for braking or holding the car (in its functions as an emergency brake or holding brake).
  • Service brake and car arranged a load cell, which is connected in such a way that the load cell measures a force acting between service brake and car force.
  • An elevator system designed in this way in which the car and the service brake are decoupled by a force transducer as it were, allows the disadvantages described above to be avoided, as will be explained in detail below.
  • Service brake which is arranged on the car, also does not mean a single service brake, but rather two (or even more) service brakes may be provided on the car, for example with two (or more)
  • Service brakes are provided on the car, it is inventively useful, although not mandatory that between each service brake and the car each have a force transducer is arranged.
  • Spring body load cells contain a spring body as a force transducer whose deformation is measured by means of strain gauges whose electrical resistance changes with the elongation, and is converted into an electrical voltage. Such load cells are also called load cells known. These can be advantageously used for the invention, since their measuring range reaches up to several thousand kN and they are therefore good for the application
  • Elevator systems are suitable.
  • a force acting between the service brake and the car is measured by means of a force transducer and used to control the operation of the elevator installation.
  • the mentioned decoupling of service brake and car by a load cell allows a particularly advantageous operation of the corresponding elevator system especially when starting the car, but also when braking the car.
  • a control unit for controlling the operation of the elevator system with the force transducer in operative connection.
  • the starting of the car and the deceleration of the car can be controlled or regulated depending on the force measured between the service brake and the car.
  • "measured force” should also include an electrical signal which is proportional to this force and which the
  • control unit In order to control the drive, in particular when starting or braking the car, depending on the force measured by the force transducer, the control unit is expediently in operative connection with the drive for moving the car along its travel path. Alternatively or additionally, the control unit is operatively connected to the service brake to the service brake depending on by the
  • Force transducer measured force Jerk-free starting of the car can be realized in the following way:
  • the force transducer measures a force acting between the service brake and the car.
  • the drive is first controlled before deactivating the service brake such that a driving force, more precisely, a pilot control drive or a pilot torque of the drive is generated, this pilot control drive force is such that the Force transducer measured force is equal to 0. Only then will the
  • a corresponding approach control is therefore designed so that before deactivating the service brake, a pilot torque of the drive is controlled to a force measured by the force transducer resulting force, which has the value 0 as a setpoint.
  • a pilot torque of the drive is controlled to a force measured by the force transducer resulting force, which has the value 0 as a setpoint.
  • a value below a maximum limit value is expediently regulated. It is also useful if, during the process of the car, so during normal driving, the control unit is in operative connection with the force transducer, for example, to evaluate the measured by the load cell dead weight of the service brake. In this way, the operability of the force transducer can be tested continuously. With known weight of the
  • the load cell has a self-weight
  • the plausibility check can be a
  • control unit in particular is in operative connection with the control unit.
  • Acceleration processes measured during the braking process can be correlated with corresponding measured measured value profiles of a functioning force transducer, so that non-functioning of the force transducer can be detected in this way.
  • the force measured by the force transducer is determined by the
  • Evaluated control unit for example, to control the strength of the braking process. For example, this can be aimed at optimizing
  • the service brake can be diagnosed in this way. While the normal braking of the car is controlled by downdriving the drive, the service brake can be used as an emergency brake in addition to its function as a holding brake with the drive off. In this case, the service brake is activated and the drive is switched off.
  • one of these service brakes can be used as a safety gear.
  • Exceeding a permissible maximum speed can be detected, for example, via the force transducer and / or via the additional accelerometer, so that the safety device can be triggered via the control unit.
  • the invention further relates to a method for operating a
  • FIG. 1 shows a very schematic representation of an elevator system as a cable lift with attached to the car service brake
  • Figure 2 shows schematically an elevator system as a ropeless elevator with a mounted on the car service brake
  • Figure 3 shows schematically a first embodiment of a
  • Figure 4 shows a schematic view of an embodiment of an elevator system according to the invention as a ropeless elevator.
  • the elevator systems 100 and 200 in the form of a cable lift or ropeless elevator according to FIGS. 1 and 2 have already been dealt with in detail in the introduction to the description of the problem underlying the present invention.
  • Figure 3 shows a schematic view of an embodiment of a
  • the elevator installation 100 in the form of a cable lift.
  • the cable lift 100 comprises a car 1, in a conventional manner of a
  • Traction sheave drive 3 is moved in a lift shaft, not shown, along a travel path.
  • the car 1 is connected via a designed as a cable 2 support means with a counterweight 5, wherein the cable 2 is deflected via the traction sheave and a further guide roller 4 to the counterweight 5 out.
  • the service brake 6 is arranged on the car 1 and moves together with the car 1.
  • two service brakes are provided, which interact with two fixed in the elevator shaft guide rails to generate a braking force.
  • An additionally existing safety brake is not for the sake of clarity
  • the car 1 of a cable lift 100 usually hangs on more than one cable 2, which is not shown here for the sake of clarity.
  • the ropes 2 can represent in modern elevator systems so-called support straps, which are more elastic than the previously used suspension cables.
  • the cable lift 100 shown here allows an advantageous operation, wherein between starting, normal driving and braking the car. 1
  • a force acting between the respective service brake 6 and the car 1 is measured by the force transducers 7 with activated service brakes 6 with the drive still initially switched off.
  • the drive 3 is first so controlled before deactivating the service brakes 6 that a pilot torque is generated, this pilot torque of the drive 3 is dimensioned such that measured by the force transducer 7 forces equal to zero or in practice are smaller than a predetermined limit. If this is the case, the service brakes 6 are deactivated, in which case the car 1 in
  • a control unit 9 is provided, which on the one hand to the drive 3 and the other is in operative connection with the service brakes 6 and the force sensors 7 (via lines and / or radio).
  • Control unit 9 continuously monitored. Should here certain tolerances
  • Force transducer 7 may no longer be functional. In this case, a safety check must take place, whereby under certain circumstances, the other load cell 7 alone can be used until then, provided that it is functional.
  • each measured force can be controlled.
  • the control unit 9 is operatively connected to the service brakes 6 in order to control the braking force.
  • the force measured by a load cell 7 increases until the car 1 comes to a standstill.
  • Force transducer 7 measured forces can be evaluated by the control unit 9, for example, to control the strength and / or the (resulting) duration of the braking process.
  • the operability of the service brakes 6 can be diagnosed in this way.
  • an acceleration sensor 8 can additionally be used, which is also here in operative connection with the control unit 9.
  • measured acceleration profiles can be correlated with corresponding measured value curves of the force transducer 7, so that in this way a functioning or non-functioning of a
  • FIG. 4 schematically shows a further embodiment of a
  • Elevator installation 200 in the form of a ropeless elevator.
  • the car 11 is about support members 12 with two linear actuators 13 in
  • Such a ropeless elevator 200 can be analogous to the
  • Embodiment according to Figure 3 of the cable lift with the advantages mentioned there are operated. To avoid repetition, only startup is described below. The normal ride and braking can be done using the force transducer 17 in a completely analogous manner as the cable lift of Figure 3.
  • the car 11 Before starting, the car 11 is at idle service brakes 16 at rest and the linear actuators 13 are turned off. Only the braking forces of the service brakes 16 keep the car 11. If the journey continues or be started, first of all a force acting between the respective service brake 16 and the car 11 is measured by the force sensors 17. Before deactivating the service brakes 16 to be
  • the linear actuators 13 initially controlled such that in each case a pilot force is generated, the dimensioned in such a way is that the force measured by the respective load cell 17 is equal to 0 or in practice smaller than a predetermined limit value. Only then the service brakes 16 are deactivated, in which case the car 11 in a
  • a control unit 19 is provided which is in operative connection with the drives 13 and with the service brakes 16 and the force transducers 17 (via lines and / or radio).
  • an acceleration sensor 18 can be used for the plausibility check, which can be used in an analogous manner as already described in connection with FIG.
  • the acceleration sensor 18 in turn is in operative connection with the control unit 19.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

L'invention concerne une installation d'ascenseur (100, 200), ainsi qu'un procédé servant à faire fonctionner une installation d'ascenseur de ce type pourvue d'une cabine (1, 11), d'un entraînement (3, 13) servant à déplacer la cabine (1, 11) le long d'une voie de déplacement et d'un frein de service (6, 16) disposé sur la cabine (1, 11), servant à ralentir la cabine (1, 11). Un capteur de force (7, 17) est installé entre le frein de service (6, 16) et la cabine (1, 11) de telle manière que le capteur de force (7, 17) mesure une force agissant entre le frein de service (6, 16) et la cabine (1, 11).
PCT/EP2015/065559 2014-07-10 2015-07-08 Installation d'ascenseur équipée d'un dispositif de freinage sur la cabine et procédé servant à faire fonctionner ladite installation d'ascenseur WO2016005429A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014213404.8 2014-07-10
DE102014213404.8A DE102014213404A1 (de) 2014-07-10 2014-07-10 Aufzugsanlage mit Bremseinrichtung am Fahrkorb und Verfahren zum Betrieb der Selbigen

Publications (1)

Publication Number Publication Date
WO2016005429A1 true WO2016005429A1 (fr) 2016-01-14

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PCT/EP2015/065559 WO2016005429A1 (fr) 2014-07-10 2015-07-08 Installation d'ascenseur équipée d'un dispositif de freinage sur la cabine et procédé servant à faire fonctionner ladite installation d'ascenseur

Country Status (2)

Country Link
DE (1) DE102014213404A1 (fr)
WO (1) WO2016005429A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114616202A (zh) * 2019-10-31 2022-06-10 因温特奥股份公司 用于电梯轿厢的、具有集成的载荷测量装置的制动装置以及这种制动装置在电梯设备中的用途及方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3556704B1 (fr) * 2018-04-16 2023-08-30 KONE Corporation Frein d'ascenseur
DE102022111457A1 (de) 2022-05-09 2023-11-09 Tk Elevator Innovation And Operations Gmbh Verfahren zum Betreiben einer Aufzugsanlage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03216477A (ja) * 1990-01-23 1991-09-24 Mitsubishi Electric Corp リニアモータ式エレベータの制御装置
US6318505B1 (en) * 1999-06-25 2001-11-20 Inventio Ag Device and method for preventing vertical displacements and vertical vibrations of the load carrying means of vertical conveyors
US20060180406A1 (en) * 2004-12-17 2006-08-17 Inventio Ag Elevator installation with a braking device and method for braking and holding an elevator installation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3915304A1 (de) 1989-05-10 1990-11-15 Schwoererhaus Gmbh & Co Fangeinrichtung fuer einen aufzugskorb
EP1671912B1 (fr) * 2004-12-17 2011-02-09 Inventio AG Système d'ascenseur avec unité de freinage et méthode pour mantenir l'ascenseur en position arrêtée
DE102005010346A1 (de) 2005-03-07 2006-09-14 TÜV Rheinland Industrie Service GmbH Prüfvorrichtung und zugehöriges Verfahren
EP1870369B1 (fr) * 2006-06-19 2018-01-10 Inventio AG Procédé destiné à la vérification d'un dispositif de frein de levage, un procédé destiné à la mise en service d'une installation de levage et un dispositif destiné à l'exécution d'une mise en service
DE102006050570B4 (de) 2006-10-26 2016-08-18 TÜV Rheinland Industrie Service GmbH Prüfhebelsystem
DE502007007014D1 (de) 2007-11-12 2011-06-01 Thyssenkrupp Elevator Ag Bremsvorrichtung zum Bremsen eines Fahrkorbs
ATE556973T1 (de) 2009-05-12 2012-05-15 Dekra Ind Gmbh VERFAHREN ZUM PRÜFEN DER ORDNUNGSGEMÄßEN FUNKTIONSFÄHIGKEIT EINES HYDRAULISCHEN AUFZUGS
DE102009038497A1 (de) 2009-08-21 2011-02-24 TÜV Rheinland Industrie Service GmbH Treibfähigkeitsmessung
DE102014206461A1 (de) 2014-04-03 2015-10-08 Thyssen Krupp Elevator Ag Aufzug mit einer Bremsvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03216477A (ja) * 1990-01-23 1991-09-24 Mitsubishi Electric Corp リニアモータ式エレベータの制御装置
US6318505B1 (en) * 1999-06-25 2001-11-20 Inventio Ag Device and method for preventing vertical displacements and vertical vibrations of the load carrying means of vertical conveyors
US20060180406A1 (en) * 2004-12-17 2006-08-17 Inventio Ag Elevator installation with a braking device and method for braking and holding an elevator installation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114616202A (zh) * 2019-10-31 2022-06-10 因温特奥股份公司 用于电梯轿厢的、具有集成的载荷测量装置的制动装置以及这种制动装置在电梯设备中的用途及方法
CN114616202B (zh) * 2019-10-31 2023-09-29 因温特奥股份公司 制动装置、其在电梯设备中的用途及方法以及电梯设备
US11772933B2 (en) 2019-10-31 2023-10-03 Inventio Ag Brake device for an elevator car, comprising an integrated load measuring device, use thereof in an elevator system, and method

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Publication number Publication date
DE102014213404A1 (de) 2016-01-14

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