EP3197813A1 - Installation d'ascenseur - Google Patents

Installation d'ascenseur

Info

Publication number
EP3197813A1
EP3197813A1 EP15763362.9A EP15763362A EP3197813A1 EP 3197813 A1 EP3197813 A1 EP 3197813A1 EP 15763362 A EP15763362 A EP 15763362A EP 3197813 A1 EP3197813 A1 EP 3197813A1
Authority
EP
European Patent Office
Prior art keywords
support means
determined
elevator
electrically conductive
tension member
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.)
Withdrawn
Application number
EP15763362.9A
Other languages
German (de)
English (en)
Inventor
Florian Dold
Urs Lindegger
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.)
Inventio AG
Original Assignee
Inventio 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 Inventio AG filed Critical Inventio AG
Publication of EP3197813A1 publication Critical patent/EP3197813A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/14—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3476—Load weighing or car passenger counting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0037—Performance analysers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
    • B66B7/1207—Checking means
    • B66B7/1215—Checking means specially adapted for ropes or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
    • B66B7/1207—Checking means
    • B66B7/1215—Checking means specially adapted for ropes or cables
    • B66B7/1223—Checking means specially adapted for ropes or cables by analysing electric variables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/062—Belts

Definitions

  • the present invention relates to a method for determining a state of at least one component of an elevator installation.
  • Elevators monitored various components. For example, a driving speed of an elevator car is monitored, the operation of the
  • Elevator system is set in a determination of a non-permissible driving speed of the elevator car. Furthermore, a loading state of the elevator car is monitored in elevator systems. Here, too, an operation of the elevator installation can be adjusted if the loading of the elevator cabin is outside an approved area. Furthermore, individual components of an elevator system are monitored. For example, a state of a suspension element is an important indicator for the safe operation of the elevator installation. For example, it is possible to determine tensile loads in various suspension elements of an elevator installation, or even the condition of the suspension element itself. In particular in the case of belt-type suspension elements with shrouded walls
  • patent US7123030B2 discloses a method for determining a degree of wear of a belt-type suspension element. Based on a specific electrical resistance of electrically conductive tension members is closed on a breaking force of the suspension element.
  • a disadvantage of such already known monitoring methods is that for a comprehensive monitoring of the elevator system a variety of monitoring methods and thus a variety of monitoring devices are necessary. For example, a monitoring system for the state of the suspension means is needed, and another monitoring system is needed for a driving condition of the elevator car. Furthermore, for example, another monitoring system for checking a voltage state of Tragstoff needed. As a result, this results in increased installation costs as well as increased material costs for elevator installations.
  • the process should also be feasible with cost effective means.
  • the elevator installation comprises a suspension element with at least one tension member.
  • the tension member is surrounded by a non-metallic jacket, wherein the support means is guided over a traction sheave with a metallic traction surface.
  • the method comprises the steps of: determining at least one characteristic based on an electrostatic effect which arises due to the friction of the non-metallic shell on the traction sheave with the metallic traction surface when driving; and determining a state of the component based on the detected characteristic.
  • This method has the advantage that states of different components of the elevator installation can be determined on the basis of an already occurring effect, namely the electrostatic effect between the traction sheave and the suspension element. Thus, a specific signal does not have to be generated first, since this electrostatic effect occurs anyway.
  • State variables of components of the elevator system can show. For example, there is a direct relationship between the voltage magnitude of the electrostatic effect and the driving speed of the elevator car.
  • the support means comprises at least one electrically conductive element, this has the advantage that thereby a determination of the characteristic, which is based on the electrostatic effect, can be made simpler.
  • ⁇ serve as an electrical conductor, which forwards the resulting between the traction sheave and the jacket of the suspension medium electrostatic effect.
  • a voltage or current can be determined on this electrical conductor in a simple manner.
  • the tension member comprises plastic fibers, wherein an indicator element is arranged in the suspension element.
  • the tension member comprises an electrically conductive material.
  • an electrically conductive element is provided within the suspension means available.
  • an electrical voltage and / or an electrical current in the electrically conductive element is determined as the parameter. This has the advantage that such a parameter can be determined inexpensively by simple means.
  • a change in a load capacity of the tension member or of the suspension element is detected by repeatedly determining the electrical voltage and / or the electric current in the electrically conductive tension member. For example, it can be concluded from a change in the electrical voltage and / or the electric current at constant driving conditions of the elevator system to a change in the conductive cross section of the tension member, which in turn is an indicator of the load capacity of the tension member. If, for example, during a journey under the same load from a first to a second floor, a first current is determined, and a short time later, a different current is determined at the same distance and constant load, this can an indication of a changed electrical resistance of the tension member, which in turn may be an indication of a changed load capacity of the tension member.
  • the determination of the load condition of the suspension element makes it possible to detect a relaxation of a suspension element tension.
  • the elevator installation comprises two or more suspension elements, it being possible to detect a distribution of the load on the two or more suspension elements by determining the loading state of the suspension element.
  • a driving state of an elevator car is determined.
  • important functions of the elevator installation can be monitored.
  • a travel speed of the elevator car can be determined.
  • a duration and / or a number of trips of the elevator car can be determined.
  • a state of the shell is determined.
  • various important functions of the elevator installation can be checked by determining the condition of the shell.
  • contamination of the mantle surface and / or wear of the mantle surface and / or aging of the mantle surface can be determined.
  • a state of the electrically conductive tension member is determined. This has the advantage that the usually invisible tensile carriers of the suspension element can be monitored within the Ummanteiung. In an exemplary development is a contact of the electrically conductive
  • the method disclosed herein for determining a condition of at least one Component of an elevator system can be used in different types of elevator systems.
  • Figure 1 shows an exemplary embodiment of an elevator system
  • Figure 2 shows an exemplary embodiment of a support means
  • Figure 3a shows an exemplary embodiment of a support means
  • Figure 3b shows an exemplary embodiment of a support means.
  • elevator installation 40 includes an elevator car 41, a counterweight 42 and a support means 1 and a traction sheave 43 with associated drive motor 44.
  • the traction sheave 43 drives the support means 1 and thus moves the elevator car 41 and the counterweight 42 gegentechnisch ,
  • the drive motor 44 is controlled by an elevator control 45.
  • the cabin 41 is designed to receive people or goods and to transport between floors of a building.
  • Cabin 41 and counterweight 42 are guided along guides (not shown), in the example the cab 41 and counterweight 42 are each suspended from idlers 46.
  • the suspension element 1 is at a first
  • a loose end LI of the suspension element 1 is provided with a contacting device 2 for temporary or permanent electrical contacting of the tension members.
  • a contacting device 2 for temporary or permanent electrical contacting of the tension members.
  • Contacting device 2 is arranged.
  • only one contacting device 2 is arranged on one of the support means ends 1.1, and the tension members on the other end of the support means 1.1 are electrically connected to each other.
  • the Tragstoffenden 1.1 are no longer burdened by the tensile force in the suspension element 1, as this tensile force already above the
  • contactors 2 are in a non-overrun area of the
  • the contacting device 2 is connected at one end of the support means 1.1 with a monitoring device 3.
  • the monitoring device 3 interconnects the electrically conductive tension members of the suspension element 1 as electrical conductors in an electrical circuit for determining an electrical parameter, which may be, for example, an electrical voltage and / or an electric current.
  • the monitoring device 3 is also connected to the elevator control 45. This connection can be used, for example, as a parallel relay or as
  • Be formed bus system This can be a signal or a reading from the
  • Monitoring device 3 is transmitted to the elevator control 45 in order to take into account the state of at least one component of the elevator installation 40, as determined by the monitoring device 3, in a control of the elevator 40.
  • the non-metallic jacket of the suspension element 1 interacts with the metallic traction surface of the traction sheave 43 when the elevator cage 41 is moving. In this case, a movement of the traction sheave 43 is transmitted by traction on the support means 1. This transfer creates an electrostatic effect, with the metal traction sheave giving off electrons to the non-metallic belt sheath. As a result, different charges can form in the affected elements of the elevator installation 40.
  • the electrical voltage which is in the jacket of the suspension element. 1 builds up, via an electrically conductive element, which is also located in the support means 1, discharged. This electrical voltage in the suspension element 1 or its discharge via the electrically conductive element can now be determined by the monitoring device 3. On the basis of this determined parameter of the electrostatic effect, a state of a component of the elevator installation 40 to be monitored can now be determined.
  • a driving state of the car such as a driving speed of the car 41
  • a driving speed of the car 41 has a direct influence on a characteristic based on the electrostatic effect.
  • Lift cage 41 or the counterweight 42 can happen, a characteristic of the electrostatic effect is smaller than normal loaded suspension elements. 1
  • a state of the jacket of the suspension element 1 also has a direct influence on a characteristic value based on the electrostatic effect. If, for example, this jacket is brittle or filthy, this has a direct influence on the transfer of electrons from the traction sheave 43 to the jacket of the suspension element 1.
  • a determined parameter can then be used to deduce a state of the jacket of the support element 1.
  • a state of tension members which are arranged in a casing of the suspension element 1, can be determined. Since the tension members of the suspension element 1 as electrical conductors for determining a characteristic in connection with the
  • electrostatic effect can be used, for example, an interruption of such an electrical conductor or a ground fault of such an electrical conductor with a grounded component of the elevator system 40 can be detected.
  • FIG. 2 shows a section of an exemplary embodiment of a suspension element 1.
  • the Tragmittei 1 comprises a plurality of mutually parallel electrically conductive tension members 5, which are enveloped by a jacket 6. To the electric
  • tension members 5 Contacting the tension members 5, the jacket 6, for example, be pierced or removed, or the tension members 5 can also frontally of a
  • Contacting device 2 are electrically contacted.
  • the suspension element is equipped with longitudinal ribs on a traction side.
  • Such longitudinal ribs improve traction sve rh old of the support means 1 on the traction sheave 43 and also facilitate lateral guidance of the support means 1 on the traction sheave 43.
  • the support means 1 can also be designed differently, for example without longitudinal ribs, or with a different number or other
  • the tension members 5 are designed to be electrically conductive.
  • FIG. 3 a shows a cross section of a further exemplary embodiment of a suspension element 1.
  • the Tragmittei 1 comprises an electrically non-conductive tension member 5, for example a rope made of synthetic fibers, which is enveloped by a jacket 6.
  • an indicator element 7 is arranged, which is formed electrically conductive. For electrical contacting of the indicator element 7 of the jacket 6 and the tension member 5, for example
  • the indicator element 7 can be pierced or removed, or the indicator element 7 can also be electrically contacted end face of a contacting device 2.
  • FIG. 3b shows a cross section of a further exemplary embodiment of a suspension element 1.
  • the suspension element 1 comprises two electrically conductive tension members 5, which are enveloped by a jacket 6.
  • a tension member 5 is advantageously carried out in S-blow and the other tension member 5 in Z-stroke. This ensures that lift the directions of impact, so that the support means is not rotated under load from the groove of the traction sheave.
  • the jacket 6 can be pierced or removed, for example, or the tension members 5 can also be electrically contacted on the face side by a contacting device 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

L'invention concerne un procédé pour déterminer un état d'au moins un composant d'une installation d'ascenseur, cette dernière comprenant un moyen de suspension comportant au moins un élément de traction. Ledit au moins un élément de traction est entouré d'une gaine non métallique, le moyen de suspension étant guidé par l'intermédiaire d'une poulie motrice comportant une surface de traction métallique. Ledit procédé comprend les étapes consistant à : déterminer au moins une grandeur caractéristique sur la base d'un effet électrostatique produit par une force de frottement de la gaine non métallique sur la poulie motrice comportant une surface de traction métallique lors d'un déplacement de l'ascenseur ; et déterminer un état du composant sur la base de la grandeur caractéristique déterminée.
EP15763362.9A 2014-09-26 2015-09-17 Installation d'ascenseur Withdrawn EP3197813A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14186633 2014-09-26
PCT/EP2015/071308 WO2016046052A1 (fr) 2014-09-26 2015-09-17 Installation d'ascenseur

Publications (1)

Publication Number Publication Date
EP3197813A1 true EP3197813A1 (fr) 2017-08-02

Family

ID=51619049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15763362.9A Withdrawn EP3197813A1 (fr) 2014-09-26 2015-09-17 Installation d'ascenseur

Country Status (5)

Country Link
US (1) US10202258B2 (fr)
EP (1) EP3197813A1 (fr)
CN (1) CN107074488B (fr)
AU (1) AU2015321059B2 (fr)
WO (1) WO2016046052A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107074488B (zh) * 2014-09-26 2019-11-05 因温特奥股份公司 电梯设备
AU2015352498B2 (en) * 2014-11-28 2018-12-13 Inventio Ag Elevator system
EP3243785B1 (fr) * 2016-05-11 2021-04-07 KONE Corporation Corde, agencement d'ascenseur et ascenseur
US10351392B1 (en) * 2018-10-23 2019-07-16 Otis Elevator Company Escalator and moving walkway system with safety sensor
CN113401752A (zh) * 2020-03-16 2021-09-17 奥的斯电梯公司 用于电梯曳引带的表面绝缘层的状态检测方法和装置
US11718501B2 (en) 2020-04-06 2023-08-08 Otis Elevator Company Elevator sheave wear detection
DE102022118101A1 (de) 2022-07-20 2024-01-25 Tk Elevator Innovation And Operations Gmbh Aufzugsanlage sowie Verfahren zum Erkennen von Fehlerzuständen

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EP2185455A1 (fr) * 2007-08-17 2010-05-19 Inventio AG Système d'ascenseur avec dispositif de détection de l'état d'un moyen de suspension et procédé de détection de l'état d'un moyen de suspension
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WO2017009920A1 (fr) * 2015-07-13 2017-01-19 三菱電機株式会社 Dispositif d'actionnement d'ascenseur

Also Published As

Publication number Publication date
AU2015321059B2 (en) 2018-11-15
WO2016046052A1 (fr) 2016-03-31
US10202258B2 (en) 2019-02-12
CN107074488B (zh) 2019-11-05
AU2015321059A1 (en) 2017-04-13
CN107074488A (zh) 2017-08-18
US20170275135A1 (en) 2017-09-28

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