EP3033289A1 - Système de surveillance d'une installation d'ascenseur - Google Patents

Système de surveillance d'une installation d'ascenseur

Info

Publication number
EP3033289A1
EP3033289A1 EP14746996.9A EP14746996A EP3033289A1 EP 3033289 A1 EP3033289 A1 EP 3033289A1 EP 14746996 A EP14746996 A EP 14746996A EP 3033289 A1 EP3033289 A1 EP 3033289A1
Authority
EP
European Patent Office
Prior art keywords
elevator
door
sensor
monitoring system
parameter
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
EP14746996.9A
Other languages
German (de)
English (en)
Other versions
EP3033289B1 (fr
Inventor
Astrid Sonnenmoser
Martin KUSSEROW
Reto Tschuppert
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
Priority to EP14746996.9A priority Critical patent/EP3033289B1/fr
Publication of EP3033289A1 publication Critical patent/EP3033289A1/fr
Application granted granted Critical
Publication of EP3033289B1 publication Critical patent/EP3033289B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0025—Devices monitoring the operating condition of the elevator system for maintenance or repair
    • 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

Definitions

  • the invention relates to a monitoring system of an elevator installation and a method for using this monitoring system.
  • the monitoring system is used to record usage data of an elevator door.
  • Elevator systems comprise an elevator shaft and an elevator car which can be moved in this elevator shaft.
  • the elevator shaft is usually closed by shaft doors arranged on individual building floors.
  • the elevator car has a car door, which is usually apparent in an arrangement on one of the shaft doors together with this shaft door.
  • This usage data can usually be taken from an elevator control acting on the elevator door.
  • these usage data can not be removed, for example due to missing interfaces or obsolete construction methods of the elevator controls.
  • systems that include, for example, cameras, known which systems can detect individual door leaf positions based on contrast differences. The disadvantage is Because of their complexity, such systems are expensive.
  • a monitoring system of an elevator system comprising an elevator door, wherein the monitoring system is suitable for generating usage data of the elevator door, with a sensor arranged in the elevator system, wherein at least one physical parameter of the surroundings of the sensor can be detected by means of the sensor and one such trained evaluation that an operating state of the elevator door can be detected by means of a time course of the physical parameter.
  • the object is also achieved by a method for operating such a monitoring system, comprising the following method steps:
  • the invention is based on the finding that it is possible to detect whether the elevator door is open or closed both on the basis of changes that have taken place and also on the basis of changes that have not yet taken place, for example the brightness or the magnetic field in the surroundings of the elevator door.
  • On the basis of this information available over a period of time individual door leaf movements can be traced and consequently the usage data of the elevator door can be registered and used.
  • a single instantaneous value of the detected parameter would not be sufficient to be able to determine an operating state of the elevator door, because the time profile of the parameter may be subject to great fluctuations during a single operating state.
  • the physical parameter of the environment is thus given by the existing environmental conditions, that is, this physical parameter is unaffected by the monitoring system. This is advantageous because, for this reason, the monitoring system does not introduce any additional environmental conditions that may be present. de means and is correspondingly low.
  • the evaluation unit comprises a memory unit, wherein the evaluation unit is designed in such a way that at least one parameter can be determined from the temporal profile of the parameter and this parameter is comparable to at least one reference parameter that can be stored in the memory unit.
  • the time profile of the parameter itself has a variety of information, such as a standard deviation, an average value, a maximum deviation from this mean value or the duration of the door leaf movement. At least one of these information forms such a parameter over a defined period of time.
  • a comparison of this parameter with the at least one reference parameter allows a statement about the condition in which the monitored elevator door is.
  • Such reference parameters can be determined, for example, during driving tours or be predetermined by standards.
  • the memory unit may be designed such that specific usage data, preferably a number of the opening / closing operations and / or a duration of the opening / closing operations of this elevator door, are cumulated and stored for the elevator door.
  • specific usage data preferably a number of the opening / closing operations and / or a duration of the opening / closing operations of this elevator door.
  • Such a trained, preferably fixed to a component of the elevator installation memory unit allows, for example, a service technician to query the usage data on site at the elevator system and take appropriate action.
  • a measure is exemplary the replacement of a component of the elevator door.
  • the evaluation unit is designed such that a classification of the operating state of the elevator door takes place by means of the comparison of the characteristic variable with the reference characteristic variable.
  • the senor is arranged in an environment of a shaft door or on a shaft door or on one of the shaft doors in such a way that an operating state of the shaft door can be determined by means of a time profile of the physical parameter generated by the sensor.
  • the sensor may preferably be fixed to a door frame of the shaft door or to a part of the shaft door which changes its position during an opening or sliding movement of the shaft door, for example the door leaf of the shaft door.
  • the senor can be fixed to or in an elevator car of the elevator installation. In this way, a car door and / or the shaft doors of the elevator installation can be monitored. If door leaf movements of any landing door are processed together with additional information, the additional information identifying exactly the landing door to which the elevator car is located at the time of registered door leaf movement, usage data for each one of the landing doors can be generated. This additional information can be taken from the elevator control, for example. A fixation of the sensor on or in the elevator car can take place in order to enable the best possible evaluation of the physical parameter to be detected.
  • Detection of the light intensity by a sensor arranged within the elevator car leads, by way of example, to a false evaluation by an interior light which can be switched independently of the door movement and which is present in the elevator car.
  • an elevator shaft in which normally no light penetrates from the outside when the shaft doors are closed, and an elevator car with opaque cabin outer surfaces, no such faulty evaluation of the light intensity caused by the interior lighting of the elevator car is to be expected.
  • a refinement of the monitoring system comprises a cabin motion sensor fixed to or in the elevator car, preferably a speed sensor or an acceleration sensor, for detecting travel movement of the elevator car in an elevator shaft of the elevator installation, wherein the evaluation unit is designed such that the operating state of the elevator door is independent of the time course Parameter values that characterize different states of the elevator door, in particular "open elevator door” and “closed elevator door", may under certain circumstances be difficult to distinguish from one another
  • an open position or opening detected by the monitoring system is assumed to have been implemented movement of the monitored elevator door ignored when the elevator car moves in the elevator shaft.
  • the quality of the usage data can thus be improved.
  • the door panel movements are detected by the monitoring system when the elevator car is located at a shaft door.
  • the physical parameter is an optical parameter, preferably light intensity and / or color temperature.
  • the sensor is designed such that this at least one optical parameter can be detected by the sensor.
  • a sensor can be selected, for example, as a sensor of the monitoring system if the elevator car is arranged in a completely masonry elevator shaft. Accordingly, the sensor would be almost always in the dark with closed elevator doors.
  • the physical parameter may be an acoustic parameter.
  • the sensor is designed such that this acoustic parameter can be detected by the sensor.
  • a sensor can be selected as a sensor of the monitoring system, for example, if the background noise surrounding the elevator installation can be estimated to be quiet and accordingly a door leaf movement can be clearly and acoustically clearly audible. Accordingly, such an acoustics detecting sensor is suitable for residential buildings.
  • the physical parameter is a magnetic parameter
  • the elevator door comprising at least one part which changes its position during an opening or closing movement of the elevator door, preferably a door leaf and / or a carriage, which part is made of magnetic material.
  • a magnetic parameter registering sensor may be used as an alternative to a non-detecting or noise-detecting sensor, for example in a high-noise department store whose elevator shaft is defined by translucent building material.
  • the physical parameter for each individual monitoring system to be installed can be selected in such a way that this selected parameter permits the best unambiguous assignment of the individual states of the elevator doors or doors to be monitored.
  • Figure 1 an elevator system with a monitoring system
  • Figure 2 Diagram showing a time course of a through the sensor of
  • Figure 3 a monitoring system of an elevator system with a sensor arranged in the elevator car.
  • FIG. 1 shows an elevator installation 2.
  • the elevator installation 2 comprises an elevator shaft 3 and an elevator car 16 which can be moved in the elevator shaft 3.
  • the elevator shaft 3 connects several floors. On each of these floors a landing door 5.1, 5.2, 5.3 is arranged.
  • the elevator car 16 has a cabin interior 16.5, side walls 16.1, a car roof 16.2, a cabin floor 16.3 and a car door 6.
  • the side walls 16.1, the car roof 16.2, the cabin floor 16.3 and the car door 6 delimit the cabin interior 16.5.
  • the elevator installation 2 comprises a monitoring system 4.
  • a first cabin sensor 4.2 of this monitoring system 4 is fixed on or in the elevator car 16.
  • a second shaft door sensor 4.1 of the monitoring system 4 is arranged on the shaft door 5.1.
  • the at least one sensor 4.1, 4.2 detects a physical parameter of its surroundings, such as, for example, a magnetic, an optical or an acoustic parameter.
  • the side walls 16.1, the car roof 16.2 and the cabin floor 16.3 are designed to be opaque so that no light of the illumination usually arranged in the cabin interior 16.5 penetrates into the elevator shaft 3 when the car door 6 is closed.
  • the cabin sensor 4.2 can detect both a light intensity currently acting on the cabin sensor 4.2 and a color temperature currently acting on the cabin sensor 4.2. A fixation of the cabin sensor 4.2 outside of the cabin interior 16.5 on one of the side walls 16.1 thus causes light changes in the cabin interior 16.5 when the car door is closed 6 largely do not affect the cabin sensor 4.2.
  • the cabin sensor 4.2 can be used in addition to detecting the usage data of the car door 6 as well for detecting the usage data of at least one of the shaft doors 5.1, 5.2, 5.3. This is the case because during normal operation of the elevator installation 2, it can be assumed that one of the shaft doors 5.1, 5.2, 5.3 is coupled to the car door 6 when the car door 6 is opened / closed. Accordingly, the car door 6 is opened or closed simultaneously with the corresponding shaft door 5.1, 5.2, 5.3. Accordingly, it is obvious that in an arrangement of the elevator car 16 according to FIG. 1, when the car door 6 is opened, the shaft door 5.3 arranged above in the elevator shaft 3 is also opened.
  • An information identifying this shaft door 5.3 for example a floor marking, can be transmitted to the monitoring system 4, for example by means of an elevator control of the elevator system, so that door movements of the actuated shaft door 5. 3 can be assigned and, accordingly, usage data relating to the actuated shaft door 5.3 can be processed or stored as required ,
  • the shaft door sensor 4.1 is fixed with respect to the shaft door 5.1, by way of example on a door frame of the shaft door 5.1, wherein this shaft door sensor 4.1 detects the acoustics of its surroundings.
  • this shaft door sensor 4.1 detects the acoustics of its surroundings.
  • a sound pattern corresponding to the closure or the opening is audible, that is to say detectable. Accordingly, the closures / openings of the shaft door 5.1 can be counted and thus utilization data of this shaft door 5.1 can be detected.
  • the shaft door sensor 4.1 may be a magnetic sensor that detects magnetic conditions of its surroundings.
  • a part of the shaft door 5.1 which changes its position during the closing / opening of the shaft door 5.1 is formed of magnetic material in order to detect the opening or the closure or the closed or opened state of the shaft door 5.1 through the shaft door sensor 4.1 designed as a magnetic sensor enable.
  • the part which changes its position during the closing / opening of the shaft door 5.1 may, for example, be a door leaf, a carriage or a section of a door drive belt of the shaft door 5.1.
  • the monitoring system 4 may have various physical parameter detecting sensors for monitoring the same elevator door 5.1, 5.2, 5.3, 6, to allow, for example, an improved readability of the generated by the various sensors time histories of the physical parameters.
  • Both a cabin sensor 4.2 and a shaft door sensor 4.1 of such a monitoring system 4 can be, for example, a light-detecting sensor or a noise-detecting sensor or a magnet-detecting sensor.
  • the selection of the corresponding sensor itself depends on how reliably the state to be detected acts on the sensor 4.1, 4.2 of the monitoring system 4 by means of the parameter of the environment of the elevator door 5.1, 5.2, 5.3, 6 to be detected.
  • the monitoring system 4 comprises, in addition to the at least one sensor 4.1, 4.2 an evaluation unit 4.5.
  • a time profile of the physical parameter detected by the at least one sensor 4.1, 4.2 can be assigned to a state of the monitored elevator door 5.1, 5.2, 5.3, 6.
  • the usage data that can be assigned to this recognized state can be transmitted to a service technician by way of example in order to enable maintenance of the relevant elevator door 5.1, 5.2, 5.3, 6.
  • This evaluation unit 4.5 may have a memory unit 4.6.
  • At least one reference parameter can be stored in the memory unit 4.6, which can be compared within the evaluation unit 4.5 with a characteristic that can be taken from the time profile of the physical parameter.
  • the at least one reference parameter can serve for a classification of the individual operating states of the elevator door 5.1, 5.2, 5.3, 6.
  • the utilization data of the elevator door obtained during the evaluation of the time profile of the physical parameter can be stored in the memory unit 4.6, can be read out locally, or can be transmitted at a suitable time to a service technician or to a service center.
  • FIG. 2 shows a diagram in which the time profile of a physical parameter detected by the sensor of the monitoring system, for example the color temperature CT, is depicted.
  • a physical parameter detected by the sensor of the monitoring system for example the color temperature CT.
  • the color temperature CT can be identified by means of an evaluation of the operating states of the monitored elevator door: open position O of the monitored elevator door,
  • a characteristic variable valid within a time limited period TR for example an average value, can be taken from the time profile.
  • This parameter is identified by a reference characteristic. by way of example compared to a reference value CT *, which allows a classification of the operating states mentioned.
  • CT * a reference value of the physical parameter
  • a single instantaneous value of the physical parameter is not sufficient to be able to determine an operating state of the elevator door, because the course of the detected physical parameter is subject to strong fluctuations.
  • the actual duration of a door leaf movement is comparable to a reference duration of this door leaf movement. If, for example, the opening OE of the elevator door occupies considerably more time than would normally be the case according to the reference duration, it may be possible to conclude that the elevator door, in particular the door drive of the elevator door, malfunctions.
  • the mean value of the color temperature CT detected in FIG. 2 in the period TR is greater than the reference value CT *, whereby the open position O in the period TR can be detected by the evaluation unit.
  • This operating state can be determined independently of the individual instantaneous values, which may be smaller than the reference value CT * within the considered time period TR.
  • Such instantaneous values can be caused by disturbances within a fault period P. For example, items transported within the elevator car that affect the sensor may cause such interference.
  • the reference value CT * can be adapted.
  • other reference parameters such as the standard deviation, for example, can be included in the evaluation within the considered period TR in order to be able to determine the operating state with certainty. It can be postulated that, in the case of an exemplary excessive standard deviation, the value ascertainable according to the mean value Operating state does not affect the usage data of the elevator door.
  • the monitoring system 4 may comprise at least one sensor for monitoring the same elevator door 5.1, 5.2, 5.3, 6, wherein the sensor detects at least one physical parameter.
  • the sensor detects at least one physical parameter.
  • FIG 3 shows an interior of an elevator car 16 from the perspective of an elevator passenger.
  • the elevator car 16 comprises a car door 6.
  • the car door 6 has at least one door 6.1, 6.2 for opening / closing the car door 6 and a door frame 7.
  • a door leaf movement B of the door leaf 6.1, 6.2 the car door 6 can be opened or closed.
  • a monitoring system 4 comprises a sensor 4.1 and an evaluation unit 4.6, wherein the sensor 4.1 may be arranged for detection for generating the usage data of the car door 6 in the vicinity of the door frame 7.
  • the monitoring system 4 additionally comprises a speed sensor 4.8 arranged on or in the elevator car 16 for detecting a subsequent travel movement of the elevator car 16 in the elevator shaft.
  • the listed elements 4.1, 4.8 of the monitoring system 4 are arranged such that they are not visible to the elevator passenger.

Landscapes

  • Indicating And Signalling Devices For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

L'invention concerne un système de surveillance (4) d'une installation d'ascenseur (2) comprenant une porte d'ascenseur (5.1, 5.2, 5.3, 6), lequel système de surveillance (4) est conçu pour générer des données d'utilisation de la porte d'ascenseur (5.1, 5.2, 5.3, 6) et comprend un capteur (4.1, 4.2) placé dans l'installation d'ascenseur (2), au moins un paramètre physique de l'environnement du capteur (4.1, 4.2) pouvant être détecté au moyen dudit capteur (4.1, 4.2), et une unité d'évaluation (4.5) réalisée de sorte qu'un état de service de la porte d'ascenseur (5.1, 5.2, 5.3, 6) peut être déterminé au moyen d'une variation dans le temps du paramètre physique, ainsi qu'un procédé pour faire fonctionner ledit système de surveillance (4).
EP14746996.9A 2013-08-13 2014-07-29 Système de surveillance d'une installation d'ascenseur Active EP3033289B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14746996.9A EP3033289B1 (fr) 2013-08-13 2014-07-29 Système de surveillance d'une installation d'ascenseur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13180168 2013-08-13
PCT/EP2014/066274 WO2015022185A1 (fr) 2013-08-13 2014-07-29 Système de surveillance d'une installation d'ascenseur
EP14746996.9A EP3033289B1 (fr) 2013-08-13 2014-07-29 Système de surveillance d'une installation d'ascenseur

Publications (2)

Publication Number Publication Date
EP3033289A1 true EP3033289A1 (fr) 2016-06-22
EP3033289B1 EP3033289B1 (fr) 2022-06-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14746996.9A Active EP3033289B1 (fr) 2013-08-13 2014-07-29 Système de surveillance d'une installation d'ascenseur

Country Status (5)

Country Link
US (1) US10196236B2 (fr)
EP (1) EP3033289B1 (fr)
CN (1) CN105452139B (fr)
BR (1) BR112016002377B1 (fr)
WO (1) WO2015022185A1 (fr)

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Publication number Publication date
BR112016002377B1 (pt) 2022-10-18
BR112016002377A2 (pt) 2017-08-01
EP3033289B1 (fr) 2022-06-22
US10196236B2 (en) 2019-02-05
CN105452139B (zh) 2017-11-10
CN105452139A (zh) 2016-03-30
WO2015022185A1 (fr) 2015-02-19
US20160185569A1 (en) 2016-06-30

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