EP2370333B1 - Aufzugsanlage mit einer sicherheitseinrichtung - Google Patents

Aufzugsanlage mit einer sicherheitseinrichtung Download PDF

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Publication number
EP2370333B1
EP2370333B1 EP09793528.2A EP09793528A EP2370333B1 EP 2370333 B1 EP2370333 B1 EP 2370333B1 EP 09793528 A EP09793528 A EP 09793528A EP 2370333 B1 EP2370333 B1 EP 2370333B1
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EP
European Patent Office
Prior art keywords
lift
door
shaft
shaft door
opening
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.)
Active
Application number
EP09793528.2A
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German (de)
English (en)
French (fr)
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EP2370333A1 (de
Inventor
Astrid Sonnenmoser
Martin Hess
David Michel
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Inventio AG
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Inventio AG
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Application filed by Inventio AG filed Critical Inventio AG
Priority to EP09793528.2A priority Critical patent/EP2370333B1/de
Publication of EP2370333A1 publication Critical patent/EP2370333A1/de
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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
    • B66B13/22—Operation of door or gate contacts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/2408—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration where the allocation of a call to an elevator car is of importance, i.e. by means of a supervisory or group controller
    • B66B1/2433—For elevator systems with a single shaft and multiple cars
    • 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
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/165—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position electrical

Definitions

  • the elevator installation has a so-called safety circuit comprehensive safety device by means of the safety-related components, such as shaft doors, elevator car doors, shaft limit switches, buffers and speed rope, are monitored by sensors, which are each coupled to a switch.
  • the arranged in a safety circuit switches are arranged in series, with a closed switch indicates a safe state of the component of the elevator system.
  • the opening of a single switch is sufficient to interrupt the safety circuit, whereupon at least the elevator drive is interrupted.
  • Each of the elevator cars of the elevator shaft has its own safety circuit, which monitors the respective driving range of the elevator car, so that opening the one safety circuit in defined cases has no direct effect on the operation of the other elevator car, whereby a part of the conveying capacity of the elevator system is maintained.
  • the invention is in particular the object of providing an elevator system, by means of which a low installation cost and a flexible adjustment can be achieved while ensuring the same conveyor capacity of the elevator system.
  • an elevator system with at least two elevator cars, each having at least one elevator car door and are intended to be moved independently in a common shaft, and with a plurality of shaft doors and with a safety device, the at least one door opening sensor, at least one evaluation and at least a data line between the door opening sensor and the evaluation unit, wherein the Evaluation unit is provided to evaluate a signal of the door opening sensor in at least one evaluation process.
  • a "door opening sensor” is to be understood as meaning, in particular, a measuring transducer which is intended to detect an open and / or closed state of a door.
  • the door opening sensor may be formed by an electrical switch.
  • an "evaluation unit” should be understood as meaning, in particular, a unit which has an arithmetic unit, a memory unit and, in particular, an operating program stored in the memory unit and in particular is equipped to record and in particular digitally convert electrical characteristics from external sensors and external actuators for Control and / or control to operate.
  • a circuit-like interconnection of elements of a safety device can be at least partially replaced by a computer-aided, logical combination of the elements, whereby considerable savings can be achieved in an installation while ensuring the delivery capacity of the elevator system.
  • a computer-aided, logical linking of the elements is flexibly and quickly adaptable to different application conditions and to new and / or changed safety conditions, in particular to inspection and repair situations. Furthermore, bridging door sensors can be advantageously avoided.
  • the door opening sensor is formed by a shaft door opening sensor.
  • the circuit-wise interconnection of the shaft door opening sensors has a considerable share of the installation effort of a safety device, which can be considerably reduced by the proposal.
  • the door opening sensor is formed by an elevator car door opening sensor.
  • the inclusion of the elevator car door opening sensors can be used in a very flexible manner to provide computer-aided, build up logical connections of the security elements and have them adapted to a security concept.
  • the data line is formed by a bus to which the door opening sensor is connected via at least one bus node.
  • a bus is to be understood in this context in particular a special line, which is specifically intended to allow an exchange of information between more than two devices that are connected in parallel to this line, and in particular represents a part of a system bus.
  • a "system bus” is to be understood as meaning in particular a data line and preferably a set of data lines which are or are intended to address, transmit and transmit data between the evaluation unit and the other elements of the security device.
  • the system bus includes a data bus, an address bus, and a signal bus.
  • a "bus node” in this context is to be understood as meaning in particular an interface which is provided to provide the bus with at least one electrical parameter of the door opening sensor in a form compatible with the bus, the bus node being formed by a unit separate from the door opening sensor at least partially integrated into the door opening sensor.
  • the evaluation unit is provided to periodically collect the data of all door opening sensors of the safety device by means of the system bus.
  • the elevator installation comprises a brake unit and a control line between the brake unit and the evaluation unit.
  • the evaluation unit can perform an activation and / or deactivation of the brake unit by means of the control line and on the basis of collected data and the algorithms stored in the operating program.
  • control line between the brake unit and the evaluation unit of a signal bus as part of System bus, is formed.
  • this can reduce the installation costs for the signal line between the brake unit and the evaluation unit, because the connection of the brake unit only has to be carried out to the closest system bus connection.
  • the elevator installation has an elevator car position unit which is provided to detect an absolute position of at least one elevator car within the shaft.
  • an elevator car position unit which is provided to detect an absolute position of at least one elevator car within the shaft.
  • the elevator installation has an evaluation unit with at least one memory unit with a learning program stored therein for recording a data record.
  • the data record at least partially comprises an absolute position of at least one shaft door within the shaft.
  • Particularly advantageous absolute positions of existing shaft doors can be stored by means of the tutorial when performing a learning trip an elevator car in the data set of the evaluation.
  • data it would be conceivable for data to be input manually by an operator and / or to be transferred from a third unit to the evaluation unit.
  • the evaluation unit is provided to monitor at least one elevator car speed and / or to monitor at least one relative distance between two elevator cars, whereby further boundary conditions can advantageously be integrated into a monitoring.
  • the evaluation unit can be equipped and programmed to monitor with real-time functions and with reference to the absolute positions of the elevator car at different times their current speed and / or the relative distance between two elevator cars and exceeding fixed limits predetermined measures, such as graded braking, to activate.
  • predetermined measures such as graded braking
  • the evaluation unit is provided for granting an opening authorization for the isolated monitoring of at least one of the elevator cars of a shaft door when the elevator car is in the vicinity of the shaft door and a limit value for a maximum speed of the elevator car is reached, thus advantageously safe opening of the elevator car door and landing door is ensured when reaching a destination floor.
  • an "opening authorization" for a landing door should in this context be understood in particular to mean that the shaft door can be opened without violating a monitoring rule.
  • a “monitoring rule” is to be understood as meaning, in particular, a logical association of at least signals from door opening sensors and opening authorizations for shaft doors, which can advantageously be stored in the programming of the evaluation unit.
  • a monitoring rule may also include signals from other safety-relevant components, such as lift cage door opening sensors.
  • a “monitoring” is to be understood in this context in particular an evaluation of monitoring rules.
  • the evaluation unit can execute executable program parts which are advantageously stored in the programming of the evaluation unit.
  • these program parts may relate to the activation and / or deactivation of the brake unit.
  • isolated monitoring of an elevator car should be understood to mean, in particular, monitoring by the evaluation unit, which only concerns this elevator car, wherein information about further elevator cars can also be entered in monitoring rules for monitoring the elevator car.
  • a "proximity region" of the shaft door is to be understood as meaning, in particular, an area smaller than 0.7 m and advantageously smaller than 0.5 m below and above the shaft door.
  • the evaluation unit is provided, in at least one evaluation process in the case of an occurring violation of a monitoring rule by executing at least one executable program part, which is deposited advantageously in the programming of the evaluation unit to interrupt the ride at least one elevator car and in particular to shut down the drive at least one elevator car, for which the monitoring rule applies.
  • the evaluation unit is provided for granting an opening authorization for the isolated monitoring of at least one of the elevator cars then at least one shaft door, if there is another elevator car between this shaft door and the elevator car.
  • this can advantageously be achieved in that the travel of the elevator car further away from the shaft door can be continued if this shaft door has been incorrectly unauthorizedly opened, as a result of which the availability of the elevator installation can be increased.
  • a bay door can then be granted an opening authorization if this shaft door lies outside a travel area released for the elevator car.
  • this elevator car can continue their journey when the shaft door, which is outside their driving range, was opened without authorization, whereby the availability of the elevator cars can be increased in the elevator system.
  • the evaluation unit is provided to grant opening authorization to at least one of the elevator cars then at least one shaft door when the elevator car moves in a direction leading away from this shaft door. Due to the fact that overriding the shaft door is excluded in the event of unauthorized opening, can be dispensed with an interruption of the ride, which can improve the availability of the elevator cars in the elevator system.
  • the evaluation unit is provided for granting an opening authorization to at least one of the elevator cars at least one of the elevator cars when the shaft door lies outside a planned current travel path of the elevator car to a destination floor.
  • a planned current travel path of an elevator car is to be understood in this context, the route from a current position to the next requested, lying in the current direction destination floor. Due to the fact that a crossing of the shaft door is excluded in a corresponding case, can be dispensed with an interruption of the ride, which can improve the availability of the elevator cars in the elevator system.
  • further cases can be defined in a very flexible manner, in which the evaluation unit of a shaft door issues an opening authorization, so that when the shaft door is opened during an evaluation, the driving operation can still be continued.
  • the evaluation unit can be programmed to prevent entry into its proximity area or passing by in case of unauthorized opening of a shaft door.
  • the safety device is also provided for monitoring a conventionally wired safety circuit.
  • a "conventionally wired safety circuit” is intended in particular to mean an electrical circuit according to the document EP 1 618 059 B1 can be understood in which safety-related components, such as elevator car doors, shaft limit switches, buffers or a speed cable, are monitored by sensors which are each coupled to an electrical switch, and that these switches are connected in series in an electrical circuit.
  • the safety device can advantageously be integrated into existing elevator systems in this way and a complete reinstallation of all safety-relevant components can be avoided without having to forego the flexibility of a computer-aided, logical combination of safety-relevant components.
  • Fig. 1 shows a side view of an elevator installation 10 with driven traction sheaves 42 and two elevator cars 12 and 14, each having an elevator car door 16 and 18 and the one above the other, with a plurality of support cables connected to a counterweight, arranged in a common shaft 20 and are independently movable.
  • the suspension ropes and counterweights are not shown for reasons of clarity.
  • a buffer 52 is shown as representative of other safety-related elements that could potentially be integrated into the safety device.
  • the elevator installation 10 comprises a plurality of shaft doors 22 and a safety device 24 which has a plurality of door opening sensors 25, 26, door opening sensors 25 formed by shaft door opening sensors and door opening sensors 26 formed by elevator car door opening sensors, an evaluation unit 28 and a data line 30 in the form of a data bus within a system bus 32, wherein the system bus 32 connects the door opening sensors 25, 26 and the evaluation unit 28.
  • the evaluation unit 28 comprises a computing unit 48 and a memory unit 50 and is intended to carry out periodic evaluation processes and in particular to evaluate the signals of the door opening sensors 25, 26.
  • the door opening sensors 25, 26 are coupled by means of bus node 34 to the system bus 32.
  • a bar with a code mark pattern is attached as a fixed part of an elevator car positioning unit 40 for determining the absolute position of the elevator cars 12 and 14.
  • a position measuring system of the type described is in the document WO 2003/011733 A1 disclosed.
  • the evaluation unit 28 is provided to evaluate the data of the elevator car positioning unit 40 and to monitor the relative distance of the two elevator cars 12 and 14.
  • the evaluation unit 28, which is equipped with real-time functions, determines from the data of the elevator car positioning unit 40 the absolute speed of the elevator cars 12 and 14 during operation and monitors compliance with a predefined speed limitation in the periodic evaluation processes.
  • the evaluation unit 28 is connected via control lines 38, which are configured in the form of a control bus within the system bus 32, with a brake unit 36 which engages the traction sheaves 42 of the elevator installation 10.
  • the Fig. 1 shows the elevator system after replacing a previously installed, conventionally wired safety circuit, which included shaft door switch, car door switch and brake control switch, against the described, connected to a system bus 32 components.
  • the evaluation unit 28 is also connected to other, still existing components of the elevator installation, namely a buffer switch 54 of the buffer 52 for the elevator cars 12, 14 and a speed limiter cable switch 58 of a speed limiter cable 56, for monitoring thereof in a conventionally wired safety circuit 60.
  • Fig. 2 describes for a typical operating situation of the elevator installation 10 with shown floors of F0 to F12 the safety status of the shaft doors 22 at the end of an evaluation process by the evaluation unit 28.
  • An illustrated driving area 44 for the first elevator car 12 and a driving area 46 for the second elevator car 14 were through set a system control not described in detail.
  • the first elevator car 12 is in the current situation between the floor F2 and the floor F3, with the floor F4 as planned current destination.
  • the second elevator car 14 is located on the floor F7 and has the floor F10 as the currently planned destination.
  • the opening permissions granted by the evaluation unit 28 in this situation for the shaft doors 22 are in the Fig. 2 represented by corresponding symbols.
  • an open circuit in a floor F0-F12 means that the evaluation unit 28 of the shaft door 22 of this floor F0-F12 has issued an opening authorization at the conclusion of the last carried out evaluation process for the isolated monitoring of the first elevator car 12.
  • For the second elevator car 14 this is symbolized by an open triangle in the respective floor F0-F12.
  • the evaluation unit 28 For isolated monitoring of the first elevator car 12, the evaluation unit 28 has granted the shaft doors 22 of the floors F9 to F12 each an opening authorization, since the floors F9 to F12 are outside the travel area 44 released for the first elevator car 12.
  • the evaluation unit 28 has for the isolated monitoring of the second elevator car 14 the shaft doors 22 of the floors F0 to F6 each granted an opening authorization, since the floors F0 to F6 are outside of the released for the second elevator car 14 driving area 46.
  • the evaluation unit 28 For isolated monitoring of the first elevator car 12, the evaluation unit 28 has the shaft doors 22 of the floors F2 and F3 granted no opening permissions, because the elevator car 12 is currently currently in the vicinity of the shaft doors 22 of the floors F2 and F3, but is in motion and a limit is exceeded for a maximum speed of the elevator car 12.
  • the evaluation unit 28 of the shaft door 22 of the floor F7 granted an opening authorization, because the second elevator car 14 is in the vicinity of the shaft door 22 of the floor F7 and the limit for a maximum speed of the elevator car 12 is exceeded.
  • the evaluation unit 28 has granted an opening authorization for the isolated monitoring of the first elevator car 12 of the shaft door 22 of the floor F8, since the second elevator car 14 is located between the shaft door 22 of the floor F8 and the first elevator car 12.
  • the evaluation unit 28 has for the isolated monitoring of the first elevator car 12 the shaft doors 22 of the floors F0 and F1 respectively granted an opening authorization, since the elevator car 12 moves in a direction that leads away from the shaft doors 22 of the floors F0 and F1.
  • the evaluation unit 28 For isolated monitoring of the first elevator car 12, the evaluation unit 28 has given the shaft doors 22 of the floors F5 to F8 each an opening authorization, since the shaft doors 22 of the floors F5 to F8 outside the planned current travel of the first elevator car 12 to their destination, the floor F4, lies.
  • the evaluation unit 28 For isolated monitoring of the second elevator car 14, the evaluation unit 28 has granted the shaft doors 22 of the floors F11 and F12 each an opening authorization, since the shaft doors 22 of the floors F11 and F12 outside the planned current travel of the second elevator car 14 to their destination, the floor F10, lie.

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Door Apparatuses (AREA)
EP09793528.2A 2008-12-26 2009-12-18 Aufzugsanlage mit einer sicherheitseinrichtung Active EP2370333B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09793528.2A EP2370333B1 (de) 2008-12-26 2009-12-18 Aufzugsanlage mit einer sicherheitseinrichtung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08172951 2008-12-26
EP09793528.2A EP2370333B1 (de) 2008-12-26 2009-12-18 Aufzugsanlage mit einer sicherheitseinrichtung
PCT/EP2009/067474 WO2010072658A1 (de) 2008-12-26 2009-12-18 Aufzugsanlage mit einer sicherheitseinrichtung

Publications (2)

Publication Number Publication Date
EP2370333A1 EP2370333A1 (de) 2011-10-05
EP2370333B1 true EP2370333B1 (de) 2013-08-28

Family

ID=40548596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09793528.2A Active EP2370333B1 (de) 2008-12-26 2009-12-18 Aufzugsanlage mit einer sicherheitseinrichtung

Country Status (6)

Country Link
US (1) US8863910B2 (pt)
EP (1) EP2370333B1 (pt)
CN (1) CN102264618B (pt)
BR (1) BRPI0923698B1 (pt)
IL (1) IL213600A (pt)
WO (1) WO2010072658A1 (pt)

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DE102009037347A1 (de) * 2009-08-14 2011-02-17 K.A. Schmersal Holding Gmbh & Co. Kg Elektronisches Sicherheitssystem für einen Aufzug
EP2765108A1 (en) * 2013-02-06 2014-08-13 Kone Corporation Method for providing well access in an elevator
EP2886501A1 (de) * 2013-12-18 2015-06-24 Inventio AG Aufzug mit einem Absolutpositionierungssystem für eine Doppeldeckerkabine
FI125875B (fi) * 2014-08-22 2016-03-15 Kone Corp Menetelmä ja järjestelmä hissin ovien sulkemiseksi
MY185020A (en) * 2014-12-10 2021-04-30 Inventio Ag Elevator system comprising with a safety monitoring system with a master/slave hierarchy
RU2696647C2 (ru) * 2014-12-18 2019-08-05 Инвенцио Аг Способ эксплуатации системы безопасности со временными пользователями
CN109071164B (zh) * 2016-05-04 2020-06-09 因温特奥股份公司 包括中央控制单元和多个具有优化的故障识别方法的现场设备的人员运送设备
EP3366626B1 (en) * 2017-02-22 2021-01-06 Otis Elevator Company Elevator safety system and method of monitoring an elevator system
CN108534670B (zh) * 2018-03-09 2020-07-07 日立电梯（中国）有限公司 带特殊保护段的轿厢绝对位置的检测***及其安装方法
WO2021197811A1 (de) * 2020-03-31 2021-10-07 Inventio Ag Sicherheitsüberwachungsvorrichtung und verfahren zum sicherheitsüberwachen einer aufzuganlage

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JP3029168B2 (ja) * 1993-04-22 2000-04-04 株式会社日立製作所 マルチカー方式エレベーターの運行制御装置
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JP4131456B2 (ja) * 2001-11-26 2008-08-13 三菱電機株式会社 エレベーター群管理制御装置
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Also Published As

Publication number Publication date
IL213600A (en) 2015-04-30
EP2370333A1 (de) 2011-10-05
WO2010072658A1 (de) 2010-07-01
US20110272218A1 (en) 2011-11-10
US8863910B2 (en) 2014-10-21
IL213600A0 (en) 2011-07-31
CN102264618A (zh) 2011-11-30
BRPI0923698A2 (pt) 2016-01-19
CN102264618B (zh) 2013-12-25
BRPI0923698B1 (pt) 2020-01-14

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