EP1547954A1 - Système d'ascenseur et système de surveillance - Google Patents

Système d'ascenseur et système de surveillance Download PDF

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Publication number
EP1547954A1
EP1547954A1 EP04105562A EP04105562A EP1547954A1 EP 1547954 A1 EP1547954 A1 EP 1547954A1 EP 04105562 A EP04105562 A EP 04105562A EP 04105562 A EP04105562 A EP 04105562A EP 1547954 A1 EP1547954 A1 EP 1547954A1
Authority
EP
European Patent Office
Prior art keywords
bus node
sensor
control unit
bus
state
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
EP04105562A
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German (de)
English (en)
Other versions
EP1547954B1 (fr
Inventor
Philipp Angst
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Inventio AG
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Inventio AG
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Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP04105562A priority Critical patent/EP1547954B1/fr
Publication of EP1547954A1 publication Critical patent/EP1547954A1/fr
Application granted granted Critical
Publication of EP1547954B1 publication Critical patent/EP1547954B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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 an elevator installation with one in an elevator shaft Elevator car movable by a drive unit.
  • the elevator system is controllable by a control unit.
  • sensors for Condition monitoring of the elevator system provided each about an associated bus node connected to a data bus and with the control unit are connected.
  • the invention relates to a Monitoring system for an elevator system, which has several bus nodes includes.
  • the bus nodes are via a data bus to a control unit connected, wherein the bus node is assigned in each case a sensor.
  • the sensor connected to the associated bus node is for Condition monitoring of the elevator system provided.
  • safety contacts are used to control the condition to capture the elevator system.
  • Use conventional elevator systems Safety contacts interconnected in series are, wherein at a functional state of the elevator system all Safety contacts are closed, giving a positive status signal the elevator system can be evaluated in a control unit.
  • the disadvantage of such an interconnection of the safety contacts that no diagnosis is possible, whether one or more safety contacts are faulty. Consequently, no suitable measures can be taken Control unit for controlling the elevator system are made.
  • no identification of the safety contacts possible whereby also further Information about intermediate states or counter readings etc. not can be transmitted.
  • WO 03/020627 A1 describes an elevator system in which Detecting means are arranged, which in the case of a disturbance in the range of Shaft doors or cabin doors of a control fault information about the fault type and location of the fault.
  • the Control can thus taking into account the type of fault, the position the fault and a state information a situation-dependent trigger safe reaction.
  • the detection means for example Power switches, circuit breakers, Hall sensors, etc. include are over Bus system connected to a control unit of the elevator system. Around to adapt this bus system to safety requirements For example, distributed sensors are used, each two or several sensors for mutual control or mutual Support is provided. It is also envisaged that the Detection means are set to a safe state in the event of a fault, so as not to adversely affect the elevator system.
  • the detection means are connected via bus nodes to the bus system, the bus nodes improved by built-in redundant design in their safety and thus increase the security of the entire system.
  • a disadvantage of such an embodiment of the bus system is that a Bus node can also transmit a faulty message to the controller, although the sensor assigned to this bus node has a faultless or functional condition of the elevator system reports and actually no faulty condition is present.
  • the invention is based on the object to the above-mentioned problems eliminate and an elevator system and a monitoring system for a Elevator system with improved reliability and improved Availability to specify.
  • This object is in a generic elevator system in Accordance with claim 1 according to the invention solved in that the sensor associated with a bus node supplies a power supply of the Bus node controls.
  • the invention is based on the idea that a bus node that is not compatible with a voltage is supplied, no erroneous status message to the Control unit can transmit, so that in a status query no Status message.
  • the transmission of flawless can be States, although there is an error prevent.
  • the bus node is passive designed so that the state of the bus node from the control unit is available. This leaves the effort to realize the bus node low.
  • the bus node is active educated.
  • the bus node of the control unit transmits the Condition of the assigned sensor.
  • Such active bus nodes are designed more complex, but with the control unit with such active bus nodes are more decentralized and the complexity of the Control unit can be reduced.
  • the Control unit in the absence of a status message of a Bus node within a predetermined period of time this bus node with the associated sensor classified as faulty.
  • a bus node becomes consequently classified as defective if after a while at a passive bus node no feedback occurs or when an active Bus node of the bus node no status message to the control unit transmitted.
  • the control unit is thus able to detect if the Sensor is in a faultless or in a faulty state.
  • control unit in dependence on the reported or transmitted states of the bus node suitable Initiates measures for controlling the elevator installation.
  • the Diagnosing which sensor has a fault can be an adequate one Measure to be taken to the availability or the Operational safety of the elevator system to improve targeted.
  • bus nodes in the transmission of the state an identification to the control unit. This avoids that one Bus node transmits a status message for another bus node, which may be wrong.
  • the senor comprises a Contact, which is the power supply of the assigned bus node controls.
  • the contact by a power switch or by a Switch be formed.
  • the Sensors formed contactless Such sensors detect by For example, magnetic fields have a specific state, so the Power supply of the assigned bus node as a function of a certain state of the contactless sensor are controlled can.
  • FIG. 1 shows an elevator installation according to the present invention
  • FIG. 2 shows a monitoring system according to the present invention
  • Figure 3 is a trained as a switch sensor.
  • FIG. 1 shows an elevator installation 10 with an elevator car 12 which is in a lift shaft 15 is moved, shown.
  • the elevator car 12 is by a drive unit 14 in the elevator shaft 15 between Floors A, B, and C of a building moves.
  • the elevator car 12 has cabin doors 13 and a cab control 19.
  • the Sensors 17 on floors A, B and C are each as a power switch trained, which are closed when actuated.
  • the control unit 16 controls the elevator system 10 and is for this purpose with the Drive unit 14, the cab control 19 and the data bus 22nd and the bus node 18 with the sensors 17 associated therewith connected.
  • the sensors 17 form a so-called safety chain.
  • the Control unit 16 may also be a door monitoring unit or simply a Be monitoring unit.
  • FIG. 2 shows a monitoring system for controlling the elevator installation 10.
  • the monitoring system includes the sensors 17, each on a power supply line Vcc and to the associated ones Bus node 18 are connected.
  • the bus nodes 18 are at the Data bus 22 connected and thus connected to the control unit 16.
  • the sensors 17 are Particularly simple design, since the sensors 17 each only from the There are power switches which are closed when the shaft doors 11 are closed and thereby the connected bus node 18 with the Power supply line Vcc connects. This gives the bus node 18 the power supply required for operation and can either the state of the sensor 17 independently to the control unit 16 transferred or at the next query the control unit 16 his Transmit condition.
  • Elevators are subject known high safety standards. To this Safety standards will be met before a move Elevator car 12 in the elevator shaft 15, the status or state of the Security chain queried.
  • the bus node 18 can be active Bus node 18 be designed and therefore independently at before determinable states of the elevator system 10 their state to Control unit 16 send.
  • the bus nodes 18 can also be made passive and the state of the bus node 18 and / or the associated sensor 17 by means of a polling method for Control unit 16 transmitted. For this purpose, each bus node 18 becomes one prompted by the control unit 16, his State to convey.
  • the control unit 16 takes the states of the sensors to be checked 17, evaluates them and initiates appropriate tax procedures.
  • the Elevator car 12, for example, can only be moved if all Sensors 17 closed shaft doors 11 and car doors 13 Show. In the embodiment shown are to preserve the Clarity only the sensors 17 on the shaft doors 11 on the individual floors A, B and C shown.
  • the Elevator installation 10 and in particular the safety chain more not shown sensors included. For example, in the top and lowermost floor A and C each limit switch can be arranged, the prevent further travel beyond the floors.
  • the car door 13 of the elevator car 12 one or more sensors attached, which indicate the state of the car door 13.
  • the voltage supply of the bus node 18 is dependent on the States of the associated sensors 17 controlled. This will achieved that the respective bus node 18 its state or the of the assigned sensor 17 only then transmits to the control unit 16, if the sensor 17 indicates a fault-free state. Indicates a sensor 17 a faulty state, the bus node 18 remains de-energized and can do not report this condition. However, the control unit 16 recognizes anyway, that with this sensor 17 on a certain floor a There is an error because the status message from this sensor 17 is missing. This avoids that the bus node 18 despite a functional state of the sensor 17 a faulty state for Control unit 16 reports.
  • the control unit 16 detects the corresponding error in the Safety chain and can take appropriate action.
  • the easiest Measure represents an emergency stop the elevator car 12 is. However, it can also a forced drive the elevator car 12 with reduced Speed can be initiated to the ground floor or one Service center can be informed. Furthermore, it is possible to have a Error of the sensor 17 of the safety chain in an error log too register, which is stored in a memory of the control unit 16 is, so that at the next maintenance of the elevator system 10 the errors that have occurred can be remedied or controlled.
  • Especially advantageous in this embodiment of the safety chain is the possibility the unique identification of the faulty sensor 17 or Bus node 18.
  • the bus node 18 At transmission of a condition of the gauge 17 or of the bus node 18, the bus node 18 also transmits a unique one Identification, so that the control unit 16 recognize the location of the error and take appropriate action. In case of an error to the Cabin doors 13, the control unit 16, for example, try the Cab doors 13 to close again by the cab control 19 instructed to repeatedly open and close the doors.
  • Position sensors can also be integrated in the safety chain. with which it is determined whether the elevator car 12 a corresponding permissible position reached in the elevator shaft 15 and the doors 11, 13 can be opened. If such a position sensor Status message is missing, this may be because the elevator car 12 has not yet reached the prescribed exit position.
  • the Control unit 16 detects this condition and tries the elevator car 12 to move to a corresponding permissible exit position, at the the position sensors turn on the associated bus nodes 18 so that the status message about the error-free status of the position sensor can be reported to the control unit 16.
  • the monitoring system may also include sensors 23 that For example, as a circuit breaker or Hall sensors are formed.
  • FIG. 3 shows a sensor 23 which is designed as a circuit breaker and is connected to Operation is opened. In this case, the connection to the Power supply line Vcc with closed shaft doors 11 closed, so that the associated bus node 18 with voltage is supplied and can transmit its state to the control unit 16. If the shaft doors 11 are opened, the power supply interrupted and the bus node 18 can not faulty Issue status message.
  • the sensors 17, 23 may also be formed without contact.
  • proximity switches can be used on a electronic or magnetic field.
  • the Connection to power supply Vcc interrupted when For example, no magnetic field is detected.
  • the shaft doors 11 closed is from the opposite shaft door 11 a Detected magnetic field and the power supply line Vcc in the sensor 17 connected to the bus node 18.
  • the sensor 17 may also be designed as a Hall sensor. In this case will the power supply Vcc of the bus node 18 electronically in the sensor 17 controlled, in such a way that the bus node 18 remains de-energized, when the sensor 17 detects an unsafe or faulty condition.
  • a transmission method on the data bus 22 is also a token ring realizable.
  • Token Ring method a (virtual) ring of a bus node 18 passed on to the next.
  • the single ones Bus nodes 18 send their status message upon receipt of the ring and then pass this on to the next bus node 18. Is the ring back at the control unit 16, the control unit 16 recognizes that all bus node 18 have issued their status message.
  • a similar Procedure provides that the control unit 16 monitors whether it is from all Bus node 18 a status message within a predefined Time span of, for example, 5 ms receives.
  • data bus medium conventional copper wires, but also wireless radio links, optical fibers or others, for Communication suitable media can be used.
  • the design of the elevator installation 10 ensures a Safety chain designed so that there is no incorrect transmission of the existing state of the sensor 17 by the bus node 18 occur can.
  • the bus node 18 used a Identification of the error location possible. It can be prevented that one Bus node 18 falsely indicates a dangerous or faulty one State not recognized or not transmitted. With the identification of Bus node 18 is guaranteed not to have another bus node 18 under incorrect address undetected a status message to the control unit 16 can settle. It can be ruled out that, for example, the Bus node 18 on floor B in the name of the bus node node 18 Floor A reports that bus node 18 on floor A is faultless, because bus node 18 on floor A due to an open contact no Has more electricity and can not answer.

Landscapes

  • Indicating And Signalling Devices For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)
  • Selective Calling Equipment (AREA)
EP04105562A 2003-11-11 2004-11-05 Système d'ascenseur et système de surveillance Expired - Lifetime EP1547954B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04105562A EP1547954B1 (fr) 2003-11-11 2004-11-05 Système d'ascenseur et système de surveillance

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03405804 2003-11-11
EP03405804 2003-11-11
EP04105562A EP1547954B1 (fr) 2003-11-11 2004-11-05 Système d'ascenseur et système de surveillance

Publications (2)

Publication Number Publication Date
EP1547954A1 true EP1547954A1 (fr) 2005-06-29
EP1547954B1 EP1547954B1 (fr) 2007-02-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04105562A Expired - Lifetime EP1547954B1 (fr) 2003-11-11 2004-11-05 Système d'ascenseur et système de surveillance

Country Status (9)

Country Link
US (1) US7325657B2 (fr)
EP (1) EP1547954B1 (fr)
JP (1) JP4699004B2 (fr)
CN (1) CN100357167C (fr)
AT (1) ATE355249T1 (fr)
CA (1) CA2487470C (fr)
DE (1) DE502004003027D1 (fr)
MY (1) MY137863A (fr)
SG (1) SG112018A1 (fr)

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CA2478078C (fr) * 2002-03-27 2011-05-17 Inventio Ag Systeme de controle de cage destine a un ascenseur
FI118466B (fi) * 2005-04-08 2007-11-30 Kone Corp Kunnonvalvontajärjestelmä
DE102006013578B4 (de) * 2006-03-22 2008-03-27 Phoenix Contact Gmbh & Co. Kg Verfahren und Steuer- und Datenübertragungsanlage zum Überprüfen des Einbauortes eines sicheren Kommunikationsteilnehmers
FI20070486A7 (fi) 2007-01-03 2008-07-04 Kone Corp Hissin turvajärjestely
FI120088B (fi) 2007-03-01 2009-06-30 Kone Corp Järjestely ja menetelmä turvapiirin valvomiseksi
DE102009037347A1 (de) * 2009-08-14 2011-02-17 K.A. Schmersal Holding Gmbh & Co. Kg Elektronisches Sicherheitssystem für einen Aufzug
US8447433B2 (en) * 2009-09-21 2013-05-21 The Peele Company Ltd. Elevator door wireless controller
US9128155B2 (en) * 2010-06-02 2015-09-08 Otis Elevator Company Switch detection system
FI122474B (fi) * 2010-12-01 2012-02-15 Kone Corp Hissin turvakytkentä sekä menetelmä hissin turvakytkennän toiminnallisen poikkeaman tunnistamiseksi
BR112013024033A2 (pt) * 2011-03-21 2017-06-27 Inventio Ag elevador tendo profundidade mínima de poço de elevador e um espaço protetor permanente
US10227208B2 (en) * 2011-12-12 2019-03-12 Cedes Ag Safety apparatus for an elevator
FI123507B (fi) 2012-08-07 2013-06-14 Kone Corp Turvapiiri sekä hissijärjestelmä
FI126734B (fi) * 2014-08-11 2017-04-28 Kone Corp Paikannuslaitteisto, hissi sekä menetelmä hissikorin paikan määrittämiseksi
DE102014017486A1 (de) 2014-11-27 2016-06-02 Thyssenkrupp Ag Aufzuganlage mit einer Mehrzahl von Fahrkörben sowie einem dezentralen Sicherheitssystem
CN107250018B (zh) * 2014-12-17 2019-05-31 因温特奥股份公司 用于电梯设备的安全电路
CN107207189A (zh) * 2015-01-20 2017-09-26 奥的斯电梯公司 电梯系统
AU2016376176B2 (en) * 2015-12-21 2019-10-03 Inventio Ag Monitoring device for a passenger transport system, testing method and passenger transport system
EP3452397B1 (fr) 2016-05-04 2020-04-22 Inventio AG Installation de transport de passagers comprenant une unite de commande centrale et plusieurs appareils de terrain comprenant un procede de reconnaissance de dysfonctionnement optimise
WO2018178037A1 (fr) 2017-03-28 2018-10-04 Inventio Ag Réseau de capteurs pour une installation de transport de personnes
EP3398901B1 (fr) * 2017-05-03 2023-02-22 KONE Corporation Méthode de déploiement d'un dispositif de commande dans un ascenseur
EP3492419B1 (fr) 2017-12-01 2020-06-10 Otis Elevator Company Système de sécurité d'ascenseur, système d'ascenseur et procédé de fonctionnement d'un système d'ascenseur
WO2020056701A1 (fr) * 2018-09-21 2020-03-26 G-Technologies Co., Ltd. Première unité de commande de sécurité, procédé d'actionnement de la première unité de commande de sécurité, seconde unité de commande de sécurité, procédé d'actionnement de la seconde unité de commande, et système d'ascenseur
EP3986822A1 (fr) * 2019-06-21 2022-04-27 Inventio AG Dispositif de raccordement d'un dispositif de commande d'une installation de transport de personnes
EP3904255B1 (fr) * 2020-04-30 2026-01-28 KONE Corporation Système d'ascenseur
CN113942908B (zh) * 2020-07-16 2024-09-20 奥的斯电梯公司 层门安全电路的故障定位
EP4330174A1 (fr) * 2021-04-30 2024-03-06 Inventio Ag Système d'ascenseur
WO2022253444A1 (fr) * 2021-06-04 2022-12-08 Kone Corporation Système de surveillance et procédé de surveillance d'un système transporteur de personnes
WO2023152900A1 (fr) * 2022-02-10 2023-08-17 三菱電機株式会社 Capteur sans fil et système de collecte d'informations de dispositif d'élévation/abaissement

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EP1117018A1 (fr) * 1998-09-21 2001-07-18 Vitaly Veniaminovich Ginzburg Systeme structure de controle et de commande de l'equipement technique d'une installation
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EP1117018A1 (fr) * 1998-09-21 2001-07-18 Vitaly Veniaminovich Ginzburg Systeme structure de controle et de commande de l'equipement technique d'une installation
US6173814B1 (en) * 1999-03-04 2001-01-16 Otis Elevator Company Electronic safety system for elevators having a dual redundant safety bus
US6267219B1 (en) * 2000-08-11 2001-07-31 Otis Elevator Company Electronic safety system for escalators
WO2003020627A1 (fr) * 2001-09-03 2003-03-13 Inventio Ag Reaction, en fonction de la situation, en cas de derangement au niveau d'une porte d'un systeme d'ascenseur
WO2003024856A1 (fr) * 2001-09-18 2003-03-27 Inventio Ag Circuit de securite pour portes d'ascenseurs

Also Published As

Publication number Publication date
JP4699004B2 (ja) 2011-06-08
CN100357167C (zh) 2007-12-26
MY137863A (en) 2009-03-31
DE502004003027D1 (de) 2007-04-12
HK1079752A1 (en) 2006-04-13
JP2005162482A (ja) 2005-06-23
US7325657B2 (en) 2008-02-05
SG112018A1 (en) 2005-06-29
CA2487470A1 (fr) 2005-05-11
US20050098390A1 (en) 2005-05-12
ATE355249T1 (de) 2006-03-15
CA2487470C (fr) 2012-05-01
CN1616335A (zh) 2005-05-18
EP1547954B1 (fr) 2007-02-28

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