EP3224181B1 - Ascenseur - Google Patents

Ascenseur Download PDF

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Publication number
EP3224181B1
EP3224181B1 EP15800870.6A EP15800870A EP3224181B1 EP 3224181 B1 EP3224181 B1 EP 3224181B1 EP 15800870 A EP15800870 A EP 15800870A EP 3224181 B1 EP3224181 B1 EP 3224181B1
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EP
European Patent Office
Prior art keywords
tension members
group
current
tension
measuring device
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.)
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Application number
EP15800870.6A
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German (de)
English (en)
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EP3224181A1 (fr
Inventor
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
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Inventio AG
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Publication date
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Publication of EP3224181A1 publication Critical patent/EP3224181A1/fr
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Classifications

    • 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
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • 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 device and a method for monitoring at least one suspension element in an elevator installation.
  • the publication DE 3934654 A1 discloses such a device and method for determining a state of the tension members of a belt-type suspension element. Based on a circuit in which all the tension members of the suspension element are connected in series, it can be determined in a simple manner whether at least one of the tension members is interrupted or not.
  • the device or the method should be robust against interference.
  • This device has the advantage that various states of the suspension element can be reliably detected by such an arrangement of a circuit. First, it can be determined whether one or more of the tension members of the suspension element are interrupted. The measuring device can determine in a simple manner, whether substantially current flows through the circuit or whether substantially no current flows through the circuit.
  • each tensile member of the first group is directly adjacent only by tensile members of the second group, and each tensile member of the second group is directly adjacent only by tensile members of the first group.
  • the proposed device in addition to detecting an electrical Contact of directly adjacent tension members can also be detected if two non-adjacent tensile carriers of different groups of tension members are electrically connected to each other via a further electrically conductive element. This can occur, for example, when the jacket of the suspension element is damaged, and the two not directly adjacent tension members of different groups of tension members are guided at the damaged point via an electrically conductive pulley, for example a deflection pulley on the counterweight. Also in this case, the circuit is shortened so to speak, so that on the measuring device in a simple manner, a significant drop in the current or the voltage can be determined.
  • this device Since in the proposed device, no precise values must be determined by the measuring device, this device is very robust against disturbing influences such as temperature fluctuations, electromagnetic radiation, movements of the suspension means and the like. A change in state of the suspension element results in a marked change in the current intensity or the voltage or the electrical resistance in the measuring device. Thus, it only has to be determined whether a determined value is above or below a predefined limit value.
  • the first group of tension members and the second group of tension members comprise the same number of tension members.
  • the measuring device is designed as a current measuring device or as a voltage measuring device. Depending on whether a current or a voltage source is used, a current measuring device or a voltage measuring device can be selected as the measuring device.
  • the current or voltage source is designed to generate an alternating current or a direct current.
  • the circuit further comprises an isolation monitor.
  • an isolation monitor This has the advantage that thereby a further state of the support means can be monitored.
  • a ground fault may occur to a grounded object in the elevator installation.
  • an exposed tensile beam or a superior Wire make electrical contact to a drive pulley or a Umlenkpulli.
  • the insulation monitor can now easily determine whether such a ground fault exists or not.
  • two tension members are electrically connected to one another at a first end of the suspension element.
  • tension members are electrically connected to the current or voltage source at a second end of the suspension element, two further tension members are electrically connected to the measuring device, and any further tension members are electrically connected to each other in pairs.
  • This method offers the advantage that different states of the suspension element can be determined in a simple manner. So can be determined with a very high reliability, whether one of the tension members is interrupted, and whether there is an electrical contact between two adjacent tension members. In both cases, a current intensity or a voltage at the measuring device changes markedly. Thus, it is not necessary to determine exact values with the measuring device. This makes the process more robust against disturbing influences such as temperature fluctuations, electromagnetic radiation, movements of the suspension element and the like.
  • the tension members of this first group when passing the test current through the first group of tension members, are each spaced apart by a tension member of the second group of tension members, and when passing the test flow through the second group of tension members, the tension members of this second group are respectively spaced apart by a tension member of the first group of tension members.
  • the tension members of the first group of tension members and / or the tension members of the second group of tension members are connected in series during the conduction of the test current through the first and second groups of tension members.
  • test current is passed through all the tensile carriers of the suspension element.
  • an alternating current or a direct current or an electrical signal is conducted through the tension members during the conduction of the test current.
  • a voltage or a current intensity or a signal property is determined.
  • the method comprises the step: checking the circuit consisting of at least the first group of tension members and the second group of tension members for ground fault.
  • a suspension in an elevator system can be used in different types of elevator systems.
  • elevator systems with or without shaft, with or without counterweight, or even elevator systems with different gear ratios can be used.
  • each suspension element in an elevator installation which comprises a plurality of electrically conductive tension members, which are surrounded by a common insulating jacket, can be monitored with the method disclosed here or with the device disclosed here.
  • FIG. 1 schematically illustrated lift system 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 cabin 41 and the counterweight 42 are each suspended on support rollers 46.
  • the support means 1 is fastened to a first support means fastening device 47, and then first guided around the support roller 46 of the counterweight 42.
  • the suspension element 1 is placed over the traction sheave 43, guided around the support roller 46 of the car 41, and finally connected by a second support means fastening device 47 with a fixed point.
  • the wrap factor is 2 to 1.
  • a loose end 1.1 of the suspension element 1 is provided with a contacting device 2 for temporary or permanent electrical contacting of the tension members and thus for monitoring the suspension element 1.
  • a contacting device 2 is arranged at both ends 1.1 of the suspension element 1.
  • the Tragstoffenden 1.1 are no longer burdened by the tensile force in the suspension element 1, as this tensile force is already passed through the suspension means fastening devices 47 into the building.
  • the contacting devices 2 are thus arranged in a non-overrun area of the suspension element 1 and outside the loaded area of the suspension element 1.
  • the contacting device 2 is connected at one end of the support means 1.1 with a monitoring device 3.
  • the monitoring device 3 comprises a current or a voltage source and a measuring device.
  • the monitoring device 3 is also connected to the elevator control 45.
  • This connection can be designed, for example, as a parallel relay or as a bus system.
  • a signal or a measured value can be transmitted from the monitoring device 3 to the elevator control 45 in order to take into account the state of the suspension element 1 as determined by the monitoring device 3 in a control of the elevator 40.
  • the elevator installation 40 shown in FIG. 1 is exemplary. Other capping factors and arrangements, such as counterbalanced lift systems, are possible.
  • the contacting device 2 for contacting the support means 1 is then arranged according to the placement of the support means fastening devices 47.
  • FIG. 2 a section of an exemplary embodiment of a support means 1 is shown.
  • the support means 1 comprises a plurality of parallel electrically in a common plane juxtaposed electrically conductive tension members, which are surrounded by a common electrically insulating jacket.
  • 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.
  • contact elements can also be attached to the tension members 5, which can then be connected to the contacting device 2 in a simple manner.
  • the suspension element 1 is equipped with longitudinal ribs on a traction side.
  • the suspension element 1 can also be designed differently, for example without longitudinal ribs, or with a different number or a different arrangement of the tension members 5. It is essential for the invention that the tension members 5 are designed to be electrically conductive ,
  • FIG. 3 an exemplary embodiment of a support means 1 with contacting devices 2 and a monitoring device 3 is shown.
  • the tension members are each contacted by the contacting device 2 and two tension members 5 are electrically connected to each other.
  • two tension members are electrically connected to a voltage source 12
  • two further tension members 5 are connected to a measuring device 13
  • the remaining tension members 5 are electrically connected to each other in pairs.
  • all tension members 5 of the suspension element 1 are electrically contacted by the contacting device 2.
  • the voltage source 12 and the measuring device 13 form the monitoring device 3.
  • the illustrated interconnection of the tension members 5 in a single circuit and by the specific arrangement of the measuring device 13 and the voltage source 12 different states of the support means 1 can be determined in a reliable manner.
  • an electrical contact between two adjacent tension members 5 can be detected by this arrangement.

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Elevator Control (AREA)

Claims (13)

  1. Ascenseur (40) avec un moyen de support (1), dans lequel le moyen de support (1) comporte plusieurs supports de traction (5) électriquement conducteurs disposés parallèlement côte à côte dans un plan commun, lesquels sont isolés électriquement les uns par rapport aux autres, et lesquels sont entourés par une enveloppe commune (6), dans lequel tous les supports de traction (5) du moyen de support (1) sont reliés électriquement les uns aux autres dans un circuit, et dans lequel ce circuit comporte une source de courant ou de tension (12) et un dispositif de mesure (13),
    dans lequel le dispositif de mesure (13) est disposé entre un premier groupe de supports de traction (5) et un deuxième groupe de supports de traction (5), de telle façon qu'un courant électrique venant de la source de courant ou de tension (12) traverse tout d'abord le premier groupe de supports de traction (5), puis le dispositif de mesure (13), et finalement le deuxième groupe de supports de traction (5) pour revenir à la source de courant ou de tension (12), et dans lequel les supports de traction (5) du premier groupe de supports de traction (5) et/ou les supports de traction (5) du deuxième groupe de supports de traction (5) sont reliés en série,
    caractérisé en ce qu'à une première extrémité du moyen de support (1.1), deux supports de traction (5) sont respectivement reliés électriquement entre eux, et en ce qu'à une deuxième extrémité du moyen de support (1.1), deux supports de traction (5) sont reliés électriquement à la source de courant ou de tension (12), deux autres supports de traction (5) sont reliés électriquement au dispositif de mesure (13), et les éventuels autres supports de traction (5) sont respectivement reliés électriquement par deux entre eux.
  2. Ascenseur selon la revendication 1, dans lequel chaque support de traction (5) du premier groupe n'est directement adjacent qu'à des supports de traction (5) du deuxième groupe, et dans lequel chaque support de traction (5) du deuxième groupe n'est directement adjacent qu'à des supports de traction (5) du premier groupe.
  3. Ascenseur selon l'une des revendications précédentes, dans lequel le premier groupe de supports de traction (5) et le deuxième groupe de supports de traction (5) comportent le même nombre de supports de traction (5).
  4. Ascenseur selon l'une des revendications précédentes, dans lequel le dispositif de mesure (13) est configuré comme un appareil de mesure du courant ou comme un appareil de mesure de la tension.
  5. Ascenseur selon l'une des revendications précédentes, dans lequel la source de courant ou de tension (12) est conçue pour produire un courant alternatif ou un courant continu.
  6. Ascenseur selon l'une des revendications précédentes, dans lequel le circuit comporte en outre un contrôleur d'isolement.
  7. Procédé destiné à surveiller au moins un moyen de support (1) dans un ascenseur (40), dans lequel le moyen de support (1) comporte plusieur supports de traction (5) électriquement conducteurs disposés parallèlement côte à côte dans un plan commun, lesquels sont isolés électriquement les uns par rapport aux autres, et lesquels sont entourés par une enveloppe commune (6), le procédé comprenant :
    - la conduction d'un courant de contrôle à travers un premier groupe de supports de traction (5) ;
    - la conduction du courant de contrôle à travers un deuxième groupe de supports de traction (5) ; et
    - la détermination d'une caractéristique à l'aide d'un dispositif de mesure, le courant de contrôle étant conduit à travers le dispositif de mesure, après avoir été conduit à travers le premier groupe de supports de traction (5) et avant d'être conduit à travers le deuxième groupe de supports de traction (5),
    caractérisé en ce qu'à une extrémité du moyen de support (1.1), deux supports de traction (5) sont respectivement reliés électriquement entre eux, et en ce qu'à une deuxième extrémité du moyen de support (1.1), deux supports de traction (5) sont reliés électriquement à la source de courant ou de tension (12), deux autres supports de traction (5) sont reliés électriquement au dispositif de mesure (13), et les éventuels autres supports de traction (5) sont respectivement reliés électriquement par deux entre eux.
  8. Procédé selon la revendication 7, dans lequel, lors de la conduction du courant de contrôle à travers le premier groupe de supports de traction (5), les supports de traction (5) de ce premier groupe sont respectivement espacés les uns des autres par un support de traction (5) d'un deuxième groupe de supports de traction (5), et dans lequel, lors de la conduction du courant de contrôle à travers le deuxième groupe de supports de traction (5), les supports de traction (5) de ce deuxième groupe sont respectivement espacés les uns des autres par un support de traction (5) du premier groupe de supports de traction (5).
  9. Procédé selon l'une des revendications 7 ou 8, dans lequel le courant de contrôle est conduit à travers tous les supports de traction (5) du moyen de support (1).
  10. Procédé selon l'une des revendications 7 à 9, dans lequel un courant alternatif ou un courant continu ou un signal électrique est conduit à travers les supports de traction (5) lors de la conduction du courant de contrôle.
  11. Procédé selon l'une des revendications 7 à 10, dans lequel une tension, une intensité de courant, une résistance ou une propriété de signal est déterminée lors de la détermination de la caractéristique du courant de contrôle.
  12. Procédé selon l'une des revendications 7 à 11, dans lequel, lors de la détermination de la caractéristique du courant de contrôle, il est déterminé si la caractéristique se situe au-dessus ou en dessous d'une valeur seuil prédéfinie.
  13. Procédé selon l'une des revendications 7 à 12, le procédé comprenant l'étape suivante :
    - vérification du circuit consistant au moins dans le premier groupe de supports de traction (5) et le deuxième groupe de supports de traction (5) quant à la mise à la terre.
EP15800870.6A 2014-11-28 2015-11-26 Ascenseur Active EP3224181B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14195381 2014-11-28
PCT/EP2015/077777 WO2016083507A1 (fr) 2014-11-28 2015-11-26 Installation d'ascenseur

Publications (2)

Publication Number Publication Date
EP3224181A1 EP3224181A1 (fr) 2017-10-04
EP3224181B1 true EP3224181B1 (fr) 2018-10-17

Family

ID=51987066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15800870.6A Active EP3224181B1 (fr) 2014-11-28 2015-11-26 Ascenseur

Country Status (9)

Country Link
US (1) US10611604B2 (fr)
EP (1) EP3224181B1 (fr)
CN (1) CN107428506B (fr)
AU (1) AU2015352498B2 (fr)
BR (1) BR112017009860A2 (fr)
CA (1) CA2966952C (fr)
ES (1) ES2700594T3 (fr)
MX (1) MX2017006873A (fr)
WO (1) WO2016083507A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110235006A (zh) 2017-01-31 2019-09-13 因温特奥股份公司 具有用于监控悬吊构件的完整性的监控装置的电梯
CN110817653A (zh) * 2019-11-22 2020-02-21 合肥工业大学 一种钢带内芯的检测方法及检测系统
CN114572794B (zh) * 2022-03-01 2023-08-22 宁波市特种设备检验研究院 一种智能电梯钢带断裂检测装置

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US6633159B1 (en) * 1999-03-29 2003-10-14 Otis Elevator Company Method and apparatus for magnetic detection of degradation of jacketed elevator rope
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WO2010072549A1 (fr) 2008-12-22 2010-07-01 Inventio Ag Procédé de surveillance d'un moyen porteur d'ascenseur, dispositif de surveillance d'un moyen porteur d'ascenseur et installation d'ascenseur avec un tel dispositif de surveillance
EP2336072B1 (fr) 2009-12-21 2013-02-27 Inventio AG Contrôle d'un moyen de traction et d'entraînement d'une installation d'ascenseur
WO2012030332A1 (fr) * 2010-09-01 2012-03-08 Otis Elevator Company Système et procédé de surveillance en fonction de résistance
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AU2012350955B2 (en) * 2011-12-16 2017-08-10 Inventio Ag System for making electrical contact with tension members in load-bearing means
CA2855873C (fr) * 2011-12-20 2020-06-16 Inventio Ag Installation d'ascenseur
CA2884942C (fr) * 2012-10-22 2017-06-06 Inventio Ag Surveillance de moyens porteurs dans des installations d'ascenseur
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WO2016046052A1 (fr) * 2014-09-26 2016-03-31 Inventio Ag Installation d'ascenseur
WO2016062454A1 (fr) * 2014-10-22 2016-04-28 Inventio Ag Installation d'élévation
EP3288886B1 (fr) * 2015-04-30 2020-11-25 Inventio AG Installation d'ascenseur
US9932203B2 (en) * 2015-07-31 2018-04-03 Inventio Ag Method and device for detecting a deterioration state of a load bearing capacity in a suspension member arrangement for an elevator

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
CN107428506A (zh) 2017-12-01
ES2700594T3 (es) 2019-02-18
US20170267489A1 (en) 2017-09-21
BR112017009860A2 (pt) 2017-12-19
CA2966952C (fr) 2023-05-23
AU2015352498B2 (en) 2018-12-13
WO2016083507A1 (fr) 2016-06-02
AU2015352498A1 (en) 2017-06-15
MX2017006873A (es) 2017-08-14
US10611604B2 (en) 2020-04-07
CN107428506B (zh) 2019-06-21
EP3224181A1 (fr) 2017-10-04
CA2966952A1 (fr) 2016-06-02

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