EP3697711A1 - Procédé de surveillance d'une cabine d'ascenseur - Google Patents

Procédé de surveillance d'une cabine d'ascenseur

Info

Publication number
EP3697711A1
EP3697711A1 EP18795950.7A EP18795950A EP3697711A1 EP 3697711 A1 EP3697711 A1 EP 3697711A1 EP 18795950 A EP18795950 A EP 18795950A EP 3697711 A1 EP3697711 A1 EP 3697711A1
Authority
EP
European Patent Office
Prior art keywords
event
sensor
server
elevator car
elevator
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Withdrawn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
EP18795950.7A
Other languages
German (de)
English (en)
Inventor
Johannes Schober
Andreas Hannes SCHULER
Daniel WILFING
Oliver Krauss
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.)
View Promotion GmbH
Original Assignee
View Promotion GmbH
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 View Promotion GmbH filed Critical View Promotion GmbH
Publication of EP3697711A1 publication Critical patent/EP3697711A1/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Withdrawn legal-status Critical Current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
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0012—Devices monitoring the users of the elevator system
    • 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
    • B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
    • B66B5/024—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system where the abnormal operating condition is caused by an accident, e.g. fire
    • 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
    • B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
    • B66B5/025—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system where the abnormal operating condition is caused by human behaviour or misbehaviour, e.g. forcing the doors

Definitions

  • the invention relates to a method for monitoring an elevator cage in an elevator installation by means of at least one sensor, wherein the at least one sensor detects sensor data in the elevator cage, wherein the sensor data are arranged via a first data connection to an elevator cage
  • an elevator installation is used to transport objects, namely persons and / or persons
  • an elevator installation may comprise one or more elevator cars, in the interior of which
  • elevator cars have an elevator door, which is used to get in or out of a person or to load or unload one
  • Item is open and closed during the movement between the floors.
  • several elevator systems can be provided, which have different applications.
  • Elevator car is made for safety reasons
  • Elevator door forms a closed system, which is not visible from the outside. If an event occurs which is not part of normal operation,
  • a case of illness of a passenger a conspicuous behavior of a passenger or a
  • this event can be monitored the elevator car can be detected by means of at least one sensor and corresponding steps are set.
  • cameras connected to a surveillance room were installed in the elevator car, which transmitted the captured images to a surveillance room for monitoring by a lift elevator.
  • US 2015/0114763 AI a method by which the inhabitants of a building are detected and the sensor-based monitoring of the elevator car foreign
  • the sensor data recorded in the elevator car are continuously transmitted to a server, in which the sensor data are compared with the recorded data of the residents in order to recognize foreign persons. If a foreign person is detected, a security level is increased and, if necessary, the
  • Elevator cabin are generated per hour, which must be evaluated on the server and cached. However, this requires a complex and expensive, especially if several elevator cars are monitored at the same time
  • This object is achieved in a method according to the invention for monitoring an elevator car in an elevator installation by means of at least one sensor in that the
  • the simplification of the server structure is on the one hand achieved in that the evaluation of the sensor data is done locally in the evaluation and not centrally on the at least one server.
  • the amount of data to be transmitted can be significantly reduced.
  • the adaptability of the monitoring procedure to different places of work is achieved by a two - stage procedure, whereby in a first step the algorithm of the
  • the evaluation device uses the sensor data to recognize events that are potentially relevant to safety, irrespective of which event is responsible for the particular location of the application
  • Elevator system is actually safety-relevant and for which an alarming procedure must be triggered.
  • such events may be one of those mentioned in the following non-exhaustive list: fainting, left behind object, fire, conspicuous behavior of a person, severe pollution in the elevator car, no opening of the elevator door, failure of the elevator lighting, severe soiling of the elevator car, Vandalism in the elevator car.
  • Evaluation device can be transmitted, may comprise a single measured value of a sensor or may comprise a plurality of measurable by means of a sensor measured values. The same applies to two, three or more sensors. It is also conceivable that raw data, such as image data or audio data, are transmitted as sensor data to the evaluation device, wherein the
  • Evaluation device the raw data by means of a
  • Evaluation algorithm evaluates.
  • the evaluation algorithm can, for example, compare image data with
  • the evaluated sensor data can be a
  • Identification algorithm by means of a so-called feature vector, which contains various entries for the recorded and optionally pre-evaluated sensor data,
  • it may be a machine-learning method, such as a neural network or a support vector machine, which itself runs on the basis of reference data
  • Identification algorithm can also be built rule-based by means of a decision tree or a decision matrix to events also by reaching, exceeding or falling below concrete, predefined
  • a state-machine-based identification algorithm is also conceivable according to which a change of the evaluated sensor data identifies an event.
  • the identification algorithm it is therefore possible on the basis of the detected sensor data to detect a current event in the elevator car and to identify which event has occurred.
  • Information about the occurrence of the current event is forwarded to a next level. In this level, it is checked whether the current event for the concrete, monitored elevator car is actually a
  • Alarming procedure must be triggered or whether the location of the elevator car, the current event requires no concrete measures. For example, a
  • Words expressed as a filter which determines for each elevator car, which current event triggers an alerting procedure.
  • an alarming procedure comprises the submission of a message to a responsible hotline, wherein the output of information in the elevator cabin is also conceivable.
  • safety-relevant events in the context of the invention means those events which are intended to trigger an alarming procedure. It can also be events such as heavy pollution or vandalism.
  • event database should not only be understood to mean a database in the narrower sense, but may rather be a list, a table or a data set which have corresponding entries which, when compared with the event identification Message at least allow a yes / no decision if one
  • the comparison on the one hand can be a check as to whether the event database has a corresponding entry for the event identification message at all or
  • event database can be defined in a simple manner.
  • the event database is likewise integrated in the evaluation device and that the communication with the server takes place only when the alarming procedure is triggered.
  • the event identification message from the evaluation device to the at least one server
  • the elevator car associated with the event database is deposited on at least one server and the comparison of event identification message and event database is performed on the at least one server.
  • the volume of the transmitted data between the evaluation device and the at least one server is reduced because only the event identification message is transmitted.
  • it is centrally located on the
  • the event identification message contains the sensor data underlying the identification of the current event.
  • the function of the at least one algorithm of the evaluation device can be checked and, if appropriate, an adaptation of the confidence intervals for a specific elevator car can be carried out. It is also conceivable that the transmitted sensor data are matched with corresponding data of the event database in order to
  • the transmitted with the event identification message sensor data are stored on the at least one server to the
  • the at least one server acts as the central interface via which the
  • Alarm istsprozeduren different elevator cars can be processed centrally. Because the event database is stored on the at least one server, anyone can communicate with the at least one server
  • Objects are safety relevant (such as passenger lifts), and a second group of elevator cars, about
  • Embodiment variant of the invention provided that each elevator car is associated with an event database and / or that several elevator cars are grouped together and each group of elevator cars is assigned an event database.
  • Alarm istsprozedur is deposited. It is also conceivable to define different processes within an alerting procedure, which are processed with different priority.
  • the elevator car associated location data are stored on the at least one server and the location data in the context of triggered
  • the location data may be, for example, an address, GPS coordinates and / or a map of a building.
  • the alerting procedure can have at least one of the following steps, preferably several steps are carried out in succession:
  • the emergency call center can be, for example, a call emergency station for emergency services, such as the police, fire brigade or rescue, or else a security service provided for monitoring the elevator installation.
  • a call emergency station for emergency services such as the police, fire brigade or rescue
  • a security service provided for monitoring the elevator installation.
  • a maintenance center can be notified, in particular, if a technical defect in the elevator car has been detected, for example with regard to
  • Transmission of information to the evaluation device For example, information on one in the
  • Lift cabin arranged display device can be displayed or output via a speaker. It is also conceivable that the evaluation device is tested or updated by the transmitted information.
  • the at least one sensor comprises at least one optical sensor, in particular a preferably controllable and / or digitally evaluable video camera, a depth camera or a thermal camera, and the sensor data as
  • Image data are analyzed by means of image analysis. By evaluating the image data, the number of persons located in the elevator car, the opening state of the elevator doors or the position of the
  • Elevator car or vandalism can be detected.
  • the image analysis may include a comparison with at least one reference image.
  • Video camera and a depth camera provided, the
  • Depth camera an infrared laser projector and a
  • CMOS complementary metal-oxide-semiconductor
  • the at least one sensor comprises a smoke sensor and / or a temperature sensor and / or an acoustic sensor, in particular a microphone, and / or an acceleration sensor and / or a moisture sensor and / or an ultrasonic sensor.
  • the smoke sensor and the temperature sensor can, for example, for
  • Fire detection can be used, the acoustic sensor can detect, for example, abnormal sounds such as screams, while by means of the moisture sensor, for example, a penetration of liquid is detectable.
  • Ultrasonic sensors can contribute to the detection of objects in precarious lighting conditions, for example.
  • the elevator cab has a display unit and / or an audio transmission unit and the
  • Alerting procedure includes at least one of the following steps:
  • Emergency call center It goes without saying that it is also possible to connect to a maintenance center. It is also conceivable that the communication with the emergency call center or the maintenance center takes place via the at least one server.
  • Communication device for communicating with at least one server via a first communication network
  • the monitoring device In an operating state, the monitoring device is installed in an elevator car.
  • Figure 1 is a schematic representation of an elevator car with a monitoring device.
  • Fig. 2 shows an embodiment of a system with several
  • FIG. 1 shows an elevator car 3 of an elevator installation, which is located in an elevator shaft.
  • the vertical movement of the elevator car 3 takes place by means of a with a
  • the elevator car 3 is by means an elevator door 5 closed, which can open in at least two floors to the inlet and outlet of
  • Monitoring device 4 is mounted, which comprises an optical sensor 9, by means of which the elevator car. 3
  • FIG. 2 shows a system with two monitoring devices 4, which are in communication communication with two servers 1 via a communication network 2. Every one of them is
  • Elevator car 3 is arranged.
  • the communication network 2 also by one or more of the following known
  • Network solutions are represented: Internet, mobile network, a hub, switch, router, wireless router, CAN controller or mobile solutions such as GSM, GPRS, EDGE, UMTS, HSPA, LTE, WiMAX, LTE-Advanced or a 5G connection or others
  • the monitoring device 4 comprises in the present embodiment, the optical sensor 9 and at least one further sensor 8, which detect both sensor data.
  • the further sensor 8 may be, for example, a smoke sensor and / or a temperature sensor and / or an acoustic sensor, in particular a microphone, and / or an acceleration sensor and / or a moisture sensor and / or an ultrasonic sensor.
  • a single sensor 8, 9 or a combination of two or more sensors 8, 9 may be advantageous.
  • the sensors 8, 9 are connected via a first data connection to an evaluation device 6, in which the
  • the first data connection can be, for example, a serial interface, such as USB, RS232 or RS485 or a parallel interface such as PCI or IEEE 1284. Even a CAN bus as a data connection is conceivable.
  • the evaluation device 6 may be, for example, a microcomputer or an (industrial) PC, which on the one hand can receive sensor data and, on the other hand, at least one algorithm, preferably one
  • Evaluation algorithm and an identification algorithm can save.
  • the evaluation device 6 can transmit data and information via the communication network to the server 1 (or the servers 1) and receive information and data from the server 1.
  • an independent communication device may be provided.
  • the evaluation device 6 is used for the processing and evaluation of the sensor data and for the identification of a current event in the elevator car 3, which differs from the regular operating state.
  • the monitoring unit 4 has a
  • Display device 7 on which information can be displayed.
  • Display device 7 is electronically controllable and may be e.g. a LCD, Plasma, FED, TFT, CRT, OLED, SED, Fall Leaf Display, Nixie Tube, Brown Tube, Matrix Display (LED, OLED, VFD, Incandescent), Video Projector (Eidophor, Tubes, LCD, DLP, LED, LCoS, Laser ), but is not limited to these embodiments.
  • Monitoring device 4 may be integrated, which includes a microphone and a speaker. If one of the sensors 8 is designed as a microphone, this can be used for the audio
  • Connection can be used.
  • the method according to the invention for monitoring the elevator car 3 will now be described be explained.
  • the compact and modular structure of the monitoring device 4 is advantageous, it is not absolutely necessary for the method of operation of the method to incorporate all elements which are essential to the function in one unit. Rather, the sensors 8,9 and the evaluation device 6 and optionally the display device 7 and the audio transmission unit separated from each other in the
  • Elevator car 3 to be installed.
  • the aim of the procedure is, by means of the evaluation of the
  • Sensor data in the evaluation device 6 to determine one of several predefined events that are different from normal operation, such as a fire, a fainting person, a left behind object, a heavy pollution of the elevator car or the like.
  • the image data of the optical sensor 9 can first be evaluated by means of an evaluation algorithm to determine how many persons and / or objects are in the elevator car 3 or how long the
  • This information can be transmitted by means of a so-called feature vector together with the evaluated sensor data of the other sensors 8 to an identification algorithm, which on the basis of reference values and / or machine learning processes or on the basis of fixed thresholds an event
  • an event identification message is generated by means of which the
  • this event identification message does not necessarily mean that an alarming procedure is triggered, so for example, the security service or emergency services, such as rescue, police or fire, are alerted. This allows one and the same algorithm in different
  • Lift cabins 3 at different locations or in can be used in different applications, without the evaluation 6 or the algorithm must be tuned to the site.
  • the decision as to whether an alerting process is actually triggered on the basis of the identified current event falls on a second level.
  • the event identification message is compared with an event database associated with the respective elevator car 3. Only if in the concrete elevator car 3 associated event database, a corresponding assignment or triggering an alarming procedure is noted, this is
  • Alarming procedure is triggered and for which event no alarming procedure is necessary. Similarly, it can be determined which alarming procedure for the
  • a maintenance or service in the same building may be the first
  • Security staff are alerted and subsequently notified of the rescue. For example, this can be a life-saving measure in geriatric institutions
  • the fire brigade can be notified and, if necessary, the elevator car 3 on the next floor stopped and the elevator door 5 opened
  • the event "left-over object" leads on the basis of the event database in an airport or airport
  • the alerting procedure is triggered.
  • the alerting procedure can also produce an audio and / or
  • Video connection with the elevator car 3 include. It is also conceivable that competent specialist personnel will be notified as part of an alerting procedure via a smartphone app.
  • the event database is stored centrally on the server 1, so that on the one hand only the event identification message has to be transmitted to the server 1, which reduces the transmitted data volume, and on the other hand the event database is simple and centrally, for example via a web interface, to the locations and areas of application of the
  • Elevator cabs 3 is customizable. In this case, any number of elevator cars 3 or their
  • Evaluation devices 6 to be connected to a server 1 or more servers 1 via the communication network 2.
  • a server 1 or more servers 1 via the communication network 2.
  • Elevator systems be assigned to a common event database.
  • geographic data such as the address and / or the GPS coordinates, for each elevator car 3 are stored on the server.
  • the sensor data can be transmitted to the server 1 together with the event identification message and stored there, which led to the identification of the current event.
  • the feature vector can also be transmitted and stored.

Landscapes

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

Abstract

L'invention concerne un procédé de surveillance d'une cabine d'ascenseur (3) dans une installation d'ascenseur au moyen d'au moins un capteur (9). Le ou les capteurs (9) détectent des données de capteur dans la cabine d'ascenseur (3). Les données de capteur sont transmises à un dispositif d'analyse disposé dans la cabine d'ascenseur (3). Le dispositif d'analyse communique avec au moins un serveur par l'intermédiaire d'un réseau de communication. L'invention vise à permettre une adaptation simple du processus de surveillance au secteur d'utilisation ou au site d'utilisation de l'installation d'ascenseur. L'invention prévoit à cet effet que pour identifier un incident dans la cabine d'ascenseur (3), des étapes qui suivent sont effectuées, lesquelles consistent à : analyser les données de capteur détectées et identifier un incident instantané dans la cabine d'ascenseur (3) avec un algorithme enregistré dans le dispositif d'analyse ; générer une notification d'identification d'incident associé à l'incident instantané ; comparer la notification d'identification d'incident à une base de données d'incidents associée à la cabine d'ascenseur (3), l'incident instantané étant identifié comme étant un incident relevant de la sécurité dans le cas d'une concordance entre la notification d'identification d'incident et une entrée de la base de données d'incidents ; déclencher une procédure d'alarme quand un incident relevant de la sécurité a été identifié.
EP18795950.7A 2017-10-17 2018-10-16 Procédé de surveillance d'une cabine d'ascenseur Withdrawn EP3697711A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50877/2017A AT520568A1 (de) 2017-10-17 2017-10-17 Verfahren zur Überwachung einer Aufzugskabine
PCT/EP2018/078277 WO2019076916A1 (fr) 2017-10-17 2018-10-16 Procédé de surveillance d'une cabine d'ascenseur

Publications (1)

Publication Number Publication Date
EP3697711A1 true EP3697711A1 (fr) 2020-08-26

Family

ID=64051522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18795950.7A Withdrawn EP3697711A1 (fr) 2017-10-17 2018-10-16 Procédé de surveillance d'une cabine d'ascenseur

Country Status (3)

Country Link
EP (1) EP3697711A1 (fr)
AT (1) AT520568A1 (fr)
WO (1) WO2019076916A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019220163A1 (de) * 2019-12-19 2021-06-24 Robert Bosch Gmbh Vorrichtung zur Überwachung einer Kabine eines Aufzugs, System und Verfahren zur Bearbeitung eines Aufzugsnotrufs
CN112125085B (zh) * 2020-09-24 2022-04-05 立达博仕电梯（苏州）有限公司 一种电梯安全性能自动监测系统
CN113569710A (zh) * 2021-07-23 2021-10-29 北京声智科技有限公司 电梯阻车方法、装置、摄像设备、存储介质及系统
CN114455414B (zh) * 2022-01-29 2024-04-05 广东卓梅尼技术股份有限公司 电梯乘客晕倒告警方法及装置、电子设备

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Publication number Priority date Publication date Assignee Title
US7093693B1 (en) * 1999-06-10 2006-08-22 Gazdzinski Robert F Elevator access control system and method
CN1882488B (zh) * 2003-11-17 2010-10-13 因林克技术有限公司 一种用于形成关于运输设备的信息的系统和方法
JP2007223691A (ja) * 2006-02-21 2007-09-06 Toshiba Elevator Co Ltd エレベータシステム
KR100951716B1 (ko) * 2007-11-28 2010-04-09 남기원 데이터 비교를 통한 자동 보안 시스템 및 그 방법
KR101580637B1 (ko) * 2013-10-28 2015-12-28 주식회사 케이티 엘리베이터 보안 시스템

Also Published As

Publication number Publication date
AT520568A1 (de) 2019-05-15
WO2019076916A1 (fr) 2019-04-25

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