WO2003020627A1 - Situationsabhängige reaktion im falle einer störung im bereich einer türe eines aufzugsystems - Google Patents
Situationsabhängige reaktion im falle einer störung im bereich einer türe eines aufzugsystems Download PDFInfo
- Publication number
- WO2003020627A1 WO2003020627A1 PCT/CH2002/000447 CH0200447W WO03020627A1 WO 2003020627 A1 WO2003020627 A1 WO 2003020627A1 CH 0200447 W CH0200447 W CH 0200447W WO 03020627 A1 WO03020627 A1 WO 03020627A1
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- WO
- WIPO (PCT)
- Prior art keywords
- elevator
- fault
- door
- floor
- car
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/22—Operation of door or gate contacts
-
- 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
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Definitions
- the present invention relates to an elevator system and an elevator control.
- the elevator system has an elevator car which is moved by a drive unit along an elevator shaft wall provided with shaft doors, which shaft wall can be part of an elevator shaft which is completely enclosed by shaft walls or is completely or partially open on one or more sides.
- 1 is a schematic representation of an elevator shaft with a controller, which are connected to various elements of the elevator system via individual lines,
- FIG. 2 shows a schematic representation of an elevator shaft with a controller to which various elements of the elevator system are connected via at least one bus
- FIG. 3 is a flowchart for explaining the operation of an embodiment of the elevator system according to the invention.
- Fig. 4 is a block diagram of an elevator control system with several modules for such an elevator system.
- FIG. 1 A first elevator system according to the present invention is shown in FIG. 1.
- the elevator system shown comprises an elevator car 2 with at least one car door 9 and a drive unit 7 for moving the elevator car 2 along an elevator shaft wall 1.1 of an elevator shaft 1 provided with shaft doors 3.
- a controller 6 is provided for actuating the drive unit 7.
- Such detection means 8 are also attached to the elevator car 2 - preferably in the area of the car door 9.
- the detection means 5 provide the controller 6 via the lines 51, 52 and 53
- the detection means 8 provide the controller 6 with fault information via line 55.
- the controller 6 is provided with malfunction information, for example
- the elevator system further comprises a state detection unit (not shown in FIG. 1), which can detect the current position and the speed of the elevator car 2.
- State detection unit is connected to the controller 6 via a line (not shown in FIG. 1). This line provides the controller 6 with information about the current position and the speed of the elevator car 2. The state detection unit preferably also provides information on the direction of movement of the elevator car 2.
- the controller 6 determines the position of the
- further detection means 4 can be present on the open or closed shaft 1, which are connected to the controller 6 via a line 54.
- the controller 6 can be provided with additional information which can be taken into account when determining a suitable reaction.
- the detection means 5 are not part of a conventional safety circuit, since such a safety circuit would immediately interrupt the operation of the elevator car 2 if a fault occurred. A situation-dependent, safe reaction would then not be possible in such a case.
- detection means includes, inter alia, sensors, switches (for example magnetic switches), changeover switches, door contacts, light barriers, motion and contact sensors, proximity sensors, relays, and other elements which can be used to monitor the shaft doors, the surroundings of the shaft doors, to monitor the car door (s) and the elevator shaft, to check their condition or to detect any faults in the shaft door area and / or in the car door area.
- switches for example magnetic switches
- changeover switches door contacts, light barriers, motion and contact sensors
- proximity sensors relays, and other elements which can be used to monitor the shaft doors, the surroundings of the shaft doors, to monitor the car door (s) and the elevator shaft, to check their condition or to detect any faults in the shaft door area and / or in the car door area.
- the detection means are used in the systems according to the invention
- the detection means can also consist of a combination of several of the elements mentioned.
- Detection means 5 and 8 directly connected to the control via lines 51-53 and 55, respectively.
- the registration tel 5 and 8 can either be queried from the controller 6, or the detection means 5 and 8 independently send information to the controller 6.
- FIG. 2 Another elevator system according to the present invention is shown in FIG. 2.
- the elevator system shown comprises an elevator car 12 with at least one car door 131 and a drive unit 17 for moving the elevator car 12 along an elevator shaft wall 11.1 of an elevator shaft 11 provided with shaft doors 13.
- a controller 16 is provided for controlling the drive unit 17.
- the detection means 20 provide the controller 16 with fault information via floor nodes 10 and the bus 15.
- Detection means 18 are attached in or on the elevator car 12 in the area of the car door 131.
- the detection means 18 are preferably connected to the controller 16 via a node 101 and a bus 151.
- the elevator system shown also includes one
- the State detection unit (not shown in FIG. 2), which can detect the current position and the speed of the elevator car 12.
- the state detection unit is also preferably connected to the controller 16 via a node and a bus (not shown in FIG. 2).
- the controller 16 is provided with information about the current position and the speed of the elevator by the bus, which is either a separate bus which is assigned only to the condition detection unit, or which is the bus 151 used by the detection means 18. cabin 12 available. In the event of a fault in the area of one of the shaft doors 13 or in the area of the cabin door 131, the controller 16 thus has, for example, fault information about the type of fault and the position of the fault.
- the condition detection unit preferably also provides
- further detection means 14 can be present on the shaft 11, which are connected to the controller 16 via a node 19 and the bus 15. Such additional detection means 14 can provide the controller 16 with additional information which can be taken into account when determining a suitable reaction.
- the fault information must be made available to the control unit safely in order to be able to ensure that the entire elevator system is operationally reliable in every situation and under all circumstances.
- the fault information can be safely transmitted via the bus, for example.
- Suitable measures can be used to prevent transmission errors, or if these cannot be avoided, transmission errors must at least be detectable and thus also remediable.
- bus 15 and / or bus 151 is a so-called safety bus, as is also used in other elevator systems.
- a condition detection unit is preferably located in or on the elevator car 2 or 12.
- the condition detection unit is preferably connected to the controller 16 via the cabin bus (e.g. the cabin bus 151).
- a safety bus is usually used as a cabin bus.
- An elevator system preferably comprises floor nodes 10 which are designed such that signals from the detection means 20 of the respective floor are made available at the inputs of the floor node 10, the floor nodes 10 processing these signals in order to be able to provide the controller 16 with corresponding fault information ,
- the same also applies to the cabin node 101, which receives signals from the detection means 18 and processes them in order to be able to provide the controller 16 with corresponding fault information.
- the floor node 10 and the cabin node 101 can also have a certain intelligence, e.g. in the form of a software-controlled processor, to be able to make local decisions and possibly even take on certain control functions.
- an elevator system is characterized in that the detection means 20 or 18 and / or the condition detection unit are connected to the controller 16 via a safety bus. Ideally, the condition of the elevator car 2 or 12 is permanently recorded. If it is a digital version, the detection means and / or the condition detection unit are frequently sampled in order to be able to ensure quasi-continuous information and condition detection. The controller 6 or 16 is thus always informed about the position, speed and, depending on the embodiment, also about the direction of travel of the elevator car 2 or 12. In the US
- the monitoring device described in 4,898,263 means are provided on the shaft which interact with means on the elevator car as soon as the car approaches a floor. According to US Pat. No. 4,898,263, there is therefore no permanent or quasi-continuous detection.
- Another elevator system is designed such that the detection means 5 and 20 can be used to determine whether a gap formed by a shaft door 3 or 13 that is not properly closed is essential or immaterial. If an insignificant gap is detected on a shaft door, one of the six following situation-dependent reactions can be triggered, for example:
- Trigger a service call regardless of what results in a check of the information provided or regardless of whether such a check was carried out at all.
- the permitted zone In the area where all shaft doors are in order (referred to as the permitted zone), continue to handle traffic. If a trip is requested outside the permitted zone, in which the landing door in question would have to be passed, an acoustic message is issued that the desired floor cannot be reached at the moment. Wait for new floor selection from passengers, or let passengers get out and trigger a service call. The floor at which the fault was detected in the area of the shaft door is called the endangered zone or unauthorized zone, although in the case of an insignificant gap there is actually no immediate danger. Drive to the desired floor if the affected landing door or the unauthorized zone does not pass must become. Otherwise drive to the next possible floor, let passengers get out and make a service call.
- the control can try to close the faulty shaft door by repeated actuation. If this attempt is successful, the elevator system can be brought into the normal operating state.
- the elevator is normally shut down if the main gap remains.
- detection means can be provided with which it can be determined whether the car door 9 or 131 has a substantial or insignificant gap. If an insignificant gap is detected on a cabin door, one of the following situation-dependent reactions can be triggered, for example: Maintaining the operation of the elevator car so that the elevator car can be moved further. Opening and closing the cabin door at the next stop. Check whether the insignificant gap still exists. If so, trigger a service call.
- the cabin door is opened and closed to check whether the insignificant gap still exists. If so, trigger a service call. - Trigger a service call, regardless of what a check of the information provided reveals, or regardless of whether such a check was ever carried out. Restricted driving at reduced speed until the error has been rectified.
- Maintaining the operation of the elevator car preferably at a reduced speed, so that the elevator car can be moved to one of the nearest floors in a controlled manner.
- - Trigger emergency call If the elevator car is at rest, the car door is opened and closed again. If the error persists, a service call is made. The elevator car is not moved. The passengers are asked to get out and, if necessary, to use an adjacent elevator car. The elevator is normally shut down if the main gap remains.
- the situation-dependent reaction can only allow the elevator car to operate between the permitted floors in order to prevent the floor from being approached or passed, at whose shaft door the fault occurred.
- the condition of a shaft door or cabin door which is not properly closed is automatically checked either by querying additionally available sensors or by trying to remedy the error by opening and closing it again.
- the elevator systems described so far can include an elevator control system, as will be described below.
- An example of such an elevator control 26 as part of an elevator system 40 is shown in FIG. 4.
- Such an elevator Control 26 serves to control a drive unit 27, which moves an elevator car 28 with at least one car door along an elevator shaft wall of an elevator shaft with several floors and landing doors.
- the elevator control 26 has the following elements / components:
- Detection means 30.1-30.n which are each installed in the area of the shaft doors and are connected to the elevator control 26, so that the elevator control 26 has fault information about the state of the shaft doors;
- Additional detection means 34 on the elevator car 28 and / or the car door (s) (same or similar design as the detection means in the area of the shaft doors).
- the detection means 34 are with the
- Elevator controller 26 in connection so that elevator controller 26 has fault information about the state of the car door (s); a condition detection unit 33 (preferably mounted in or on the elevator car 28), which is connected to the elevator control 26 so that the elevator control 26 has status information about the position and the speed of the elevator car 28 available.
- the detection means 30.1-30.n and 28 transmit the malfunction information about the type of malfunction and the position of the malfunction.
- each of the detection means 30.1-30.n has an interface 31.n which establishes a connection / link to a bus 25.
- the example shown is a star-shaped bus 25.
- the example of the detection means 30.n shows that such a detection means 30.n can comprise several elements / components 32.1-32.3.
- the detection means 34 are connected to the bus 25 via an interface 23.
- the detection means 34 provide the elevator control 26 with fault information via the bus 25.
- the elevator car 28 includes display elements 24.1, which indicate the direction of travel of the car 28, display elements 24.3, which indicate the current floor, and operating elements 24.2. These elements 24.1-24.3 are also linked to the bus 25 via the interface 23.
- the state detection unit 33 can be connected to the bus 25 via its own interface (not shown).
- the condition detection unit 33 can have a wide variety of elements and sensors which are used to detect the cabin speed, position and, if appropriate, direction of travel.
- the communication and in particular the transmission security between the individual components of the elevator system 40 can be regulated and organized, for example, by a special communication unit 29.
- the communication unit 29 can also serve to enable communication with other systems.
- a service call can be made via the communication unit 29, which is then forwarded via an external network.
- the communication within the system 40 can also be handled via a communication module that is integrated in the controller 26.
- the elevator control 26 can trigger a situation-dependent, safe reaction in order to ensure that the elevator car remains available despite the fault.
- the elevator system functions in such a way that in the event of a fault in the area of one of the shaft doors or the cabin door (s), at least one of the situation-dependent, safe reactions described above is triggered.
- Faults in an elevator system sometimes occur in the area of the shaft doors.
- the shaft doors 3 and 13 themselves, but also the door contacts on the shaft doors 3 and 13, are susceptible to faults.
- the availability of the entire elevator system can be increased by the intelligent system reactions according to the invention, so that in the event of certain faults in the area of the shaft doors it is prevented that people remain locked in the elevator car 2 or 12.
- the elevator system can have detection means 5, 20, 30.1-30.n to determine whether a gap formed by an incorrectly closed shaft door 3 or 13 is "essential” or “non-essential".
- a gap can be regarded as "essential” and therefore a safety hazard if, for example, it is larger than 10 mm. Is not the gap essential and therefore not dangerous to safety, other reactions can be triggered - as described above.
- the condition of the shaft doors 3 and 13 can then be checked by opening and closing the shaft doors 3 and 13. Such an error can often be remedied by opening and closing the shaft door in this way.
- the elevator can continue to be operated, possibly with a reduced speed. This applies in particular if the gap was classified as "insignificant" by the detection means 5, 20, 30.1-30 n.
- the shaft door 3 or 13 is opened and closed at least once by moving the elevator car behind the shaft door and opening and closing the car door becomes. If the "essential" gap cannot be eliminated as a result, the elevator car is preferably not set in motion. An announcement can be made or a display can light up to request the passengers to leave the elevator car 2, 12, 28.
- a sudden message from the detection means 8, 18 or 34 is now considered at A, which reads: "Cabin door open”.
- a virtual decision stage represented by a discriminator (decision block) DO then asks the question: does the elevator car 2, 12 or 28 move?
- the controller 6, 16 or 26 has status information available which, among other things, permits a statement to be made about the current position and speed of the elevator car 2, 12 or 28.
- a situation-dependent reaction RO is triggered, the controller 6, 16 or 26 initiating and executing a quick stop operation.
- the controller 6, 16 or 26 initiating and executing a quick stop operation.
- it can be checked, for example, by means of a reaction R1 as part of a plausibility test, whether cabin door 3 or 13 is actually open. This test can be carried out by the door drive, the detection means 8, 18, 34 checking whether the car door 3 or 13 could be closed successfully. Additional statements can be made if one also takes into account the information provided by the detection means 5, 20, 30.1-30.n in the area of the shaft door on the floor of which the elevator car 2, 12 or 28 is currently located.
- a decision stage D1 then asks about the in the example shown
- the elevator system is transferred to normal operation by a reaction R4.
- an error message can be sent to a service point together with a service call. If the closing contact does not appear to be in order, then the elevator system is deactivated by a further reaction R5 and a corresponding message is sent to the service point.
- reactions R21 and R31 can be switched off in such a way that only one of the four situation-dependent reactions R20, R41, R4 or R5 is carried out.
- shaft doors are passive doors that are only opened by the car door or by a special tool or can be closed.
- the elevator car In order to be able to automatically open and close a shaft door, the elevator car must first be moved behind the corresponding shaft door. Once a landing door has been closed by the cabin door and locked by the landing door latch, it is unlikely that after the Leaving the corresponding floor through the elevator car comes to malfunctions or problems with the landing door.
- the elevator system can systematically measure, for example, the force required for opening or closing by the detection means 5, 20 or 30.1.
- the shaft doors are passive and are moved through the car door (s), it is more important that the detection means 8, 18, 34 monitor the car door (s).
- the cabin door drive can also be monitored, e.g. determine whether an increased force is required to move the cabin door and the landing door together. If, for example, the detection means 8, 18, 34 determine that a higher level of force is required on a particular floor than on other floors, it can be concluded that the
- one or more of the following reactions can be triggered as a situation-dependent reaction: - place a service call; define the corresponding floor as an illegal zone; stop operating the elevator system.
- the value of the force required to open or close can also be saved from time to time. So that's a Current forces can be compared with the forces previously required. With this approach, problems in the area of the shaft and cabin doors can also be identified.
- the elevator system can also be designed in such a way that a situation-specific
- the controller can preferably differentiate between known and unknown types of malfunction. If there is a known type of fault, the control can bring about a situation-dependent reaction via a table entry, a decision tree or similar means. In order to make the elevator system as safe as possible, the travel mode should be set immediately if an unknown type of fault occurs. An emergency call can then possibly be made.
- An elevator system can enable software bridging of individual sensors and / or contacts or entire detection means, for example in order to be able to bring about conditions in certain service situations, which would normally be prevented by the control according to the invention. It is important that such a software bridging is automatically reset after a certain time so that a possible forgetting cannot lead to a dangerous situation.
- the elevator control 26 comprises a software-controlled component which evaluates the signals arriving via the bus 25 and triggers a reaction corresponding to the situation. You can work with tables, decision trees or other similar means.
- distributed sensors are preferably used as the detection means, two or more sensors being provided for mutual control or mutual support.
- the actuators, control blocks, drive or adjusting elements used to carry out the reactions can be observed indirectly via the sensors. They are preferably designed in such a way that, in the event of a fault, they change to the safe state (fail safe) in order not to have a negative influence on the elevator system.
- the floor nodes and / or the elevator control can be provided with two or more processors in order to increase the security of the entire system through this redundancy.
- the floor nodes and / or the elevator control can be self-checking to form a trustworthy overall unit. If necessary, a triple module redundancy (TMR: Triple Modular Redundancy).
- the functionality of the elevator controller can preferably be distributed to two or more node computers running in parallel, the controller being executed as software tasks in the node computers.
- the various elevator systems according to the invention prove to be particularly advantageous with regard to their high level of operational safety, availability and reliability, in particular since malfunctions, failures, runtime errors, unexpected influences and undetected development errors can be identified and rectified in good time.
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Door Apparatuses (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Window Of Vehicle (AREA)
Abstract
Description
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02754089A EP1423326B1 (de) | 2001-09-03 | 2002-08-15 | Situationsabhängige reaktion im falle einer störung im bereich einer türe eines aufzugsystems |
JP2003524900A JP2005500965A (ja) | 2001-09-03 | 2002-08-15 | エレベータシステムのドアの領域に不良がある場合の状況依存反応 |
DE50206242T DE50206242D1 (de) | 2001-09-03 | 2002-08-15 | Situationsabhängige reaktion im falle einer störung im bereich einer türe eines aufzugsystems |
KR1020047003213A KR100926922B1 (ko) | 2001-09-03 | 2002-08-15 | 리프트 시스템의 도어 영역의 고장시의 상태의존 반응 |
CA2458221A CA2458221C (en) | 2001-09-03 | 2002-08-15 | Situation-dependent reaction in the case of a fault in the region of a door of a lift system |
US10/792,060 US7252180B2 (en) | 2001-09-03 | 2004-03-03 | Situation-dependent reaction in the case of a fault in the region of a door of an elevator system |
HK04109453A HK1066520A1 (en) | 2001-09-03 | 2004-12-01 | Situation-dependent reaction in the case of a fault in the vicinity of a door in a lift system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01121058 | 2001-09-03 | ||
EP01121058.0 | 2001-09-03 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/792,060 Continuation-In-Part US7252180B2 (en) | 2001-09-03 | 2004-03-03 | Situation-dependent reaction in the case of a fault in the region of a door of an elevator system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003020627A1 true WO2003020627A1 (de) | 2003-03-13 |
Family
ID=8178507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2002/000447 WO2003020627A1 (de) | 2001-09-03 | 2002-08-15 | Situationsabhängige reaktion im falle einer störung im bereich einer türe eines aufzugsystems |
Country Status (10)
Country | Link |
---|---|
US (1) | US7252180B2 (de) |
EP (1) | EP1423326B1 (de) |
JP (1) | JP2005500965A (de) |
KR (1) | KR100926922B1 (de) |
CN (1) | CN1309645C (de) |
AT (1) | ATE321723T1 (de) |
CA (1) | CA2458221C (de) |
DE (1) | DE50206242D1 (de) |
HK (1) | HK1066520A1 (de) |
WO (1) | WO2003020627A1 (de) |
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EP1547954A1 (de) * | 2003-11-11 | 2005-06-29 | Inventio Ag | Aufzugsanlage und Überwachungssystem |
CN100395166C (zh) * | 2005-01-07 | 2008-06-18 | 陈金林 | 防止电梯伤害事件发生的控制装置及方法 |
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DE102019212726A1 (de) * | 2019-08-26 | 2021-03-04 | Thyssenkrupp Elevator Innovation And Operations Ag | Aufzugsanlage die einen Fahrkorb abhängig von einem Schließzustandssignal und einer Position des Fahrkorbs in einen Sicherheitsbetriebszustand überführt |
EP3878788A1 (de) * | 2020-03-09 | 2021-09-15 | Otis Elevator Company | Aufzugsicherheitssysteme |
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PT1775250E (pt) | 2004-06-22 | 2011-11-30 | Mitsubishi Electric Corp | Dispositivo para porta de elevador |
JP2006298645A (ja) * | 2005-04-21 | 2006-11-02 | Inventio Ag | エレベータケージの速度を監視するための方法および検出システム |
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JP6370187B2 (ja) * | 2014-10-08 | 2018-08-08 | 株式会社日立ビルシステム | エレベーターの点検装置 |
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CN106395529B (zh) * | 2015-07-27 | 2020-01-31 | 奥的斯电梯公司 | 监测***、具有监测***的电梯门***和方法 |
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- 2002-08-15 DE DE50206242T patent/DE50206242D1/de not_active Expired - Lifetime
- 2002-08-15 EP EP02754089A patent/EP1423326B1/de not_active Expired - Lifetime
- 2002-08-15 JP JP2003524900A patent/JP2005500965A/ja active Pending
- 2002-08-15 CN CNB02817173XA patent/CN1309645C/zh not_active Expired - Lifetime
- 2002-08-15 CA CA2458221A patent/CA2458221C/en not_active Expired - Lifetime
- 2002-08-15 KR KR1020047003213A patent/KR100926922B1/ko active IP Right Grant
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1547954A1 (de) * | 2003-11-11 | 2005-06-29 | Inventio Ag | Aufzugsanlage und Überwachungssystem |
US7325657B2 (en) | 2003-11-11 | 2008-02-05 | Inventio Ag | Elevator installation and monitoring system for an elevator installation |
CN100395166C (zh) * | 2005-01-07 | 2008-06-18 | 陈金林 | 防止电梯伤害事件发生的控制装置及方法 |
CN111137773A (zh) * | 2018-11-06 | 2020-05-12 | 通力股份公司 | 用于检测电梯***的故障的方法和*** |
CN111137773B (zh) * | 2018-11-06 | 2024-04-09 | 通力股份公司 | 用于检测电梯***的故障的方法和*** |
DE102019212726A1 (de) * | 2019-08-26 | 2021-03-04 | Thyssenkrupp Elevator Innovation And Operations Ag | Aufzugsanlage die einen Fahrkorb abhängig von einem Schließzustandssignal und einer Position des Fahrkorbs in einen Sicherheitsbetriebszustand überführt |
EP3878788A1 (de) * | 2020-03-09 | 2021-09-15 | Otis Elevator Company | Aufzugsicherheitssysteme |
EP3988489A1 (de) * | 2020-10-21 | 2022-04-27 | KONE Corporation | Aufzugkommunikationssystem |
US11407613B2 (en) | 2020-10-21 | 2022-08-09 | Kone Corporation | Elevator communication system |
Also Published As
Publication number | Publication date |
---|---|
CA2458221A1 (en) | 2003-03-13 |
KR100926922B1 (ko) | 2009-11-17 |
EP1423326B1 (de) | 2006-03-29 |
US20040178024A1 (en) | 2004-09-16 |
EP1423326A1 (de) | 2004-06-02 |
CN1309645C (zh) | 2007-04-11 |
KR20040029150A (ko) | 2004-04-03 |
US7252180B2 (en) | 2007-08-07 |
CA2458221C (en) | 2010-11-09 |
CN1549788A (zh) | 2004-11-24 |
ATE321723T1 (de) | 2006-04-15 |
JP2005500965A (ja) | 2005-01-13 |
HK1066520A1 (en) | 2005-03-24 |
DE50206242D1 (de) | 2006-05-18 |
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