EP1490284A1 - Schacht berwachungssystem f r aufzug - Google Patents
Schacht berwachungssystem f r aufzugInfo
- Publication number
- EP1490284A1 EP1490284A1 EP03744705A EP03744705A EP1490284A1 EP 1490284 A1 EP1490284 A1 EP 1490284A1 EP 03744705 A EP03744705 A EP 03744705A EP 03744705 A EP03744705 A EP 03744705A EP 1490284 A1 EP1490284 A1 EP 1490284A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- shaft door
- shaft
- elevator
- sensor part
- 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
Links
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
- B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors
- B66B13/125—Arrangements for effecting simultaneous opening or closing of cage and landing doors electrical
-
- 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
Definitions
- the invention relates to the monitoring of the shaft doors of an elevator system.
- sensor means are provided, for example in the form of positively driven devices with safety contact points.
- the safety contact points are integrated in series in a safety circuit. The arrangement is such that the elevator car can only be moved when the safety circuit and thus also all safety contacts integrated in it are closed.
- Monitoring systems with security circuits of this type have numerous disadvantages, which are briefly listed below.
- Every safety circuit has inherent problems; this includes the length of the connections, the voltage drop in the safety circuit and the relatively high installation effort.
- the individual safety contacts are relatively susceptible to faults; therefore there are often unnecessary emergency stops of the elevator system.
- the monitoring system does not allow specific diagnosis; This means that when the safety circuit is open, it is only determined that at least one safety contact and thus at least one lock or at least one shaft door is open. However, it cannot be determined which safety contact is open. Before a fault occurs in the safety circuit, the monitoring system does not provide any information that indicates the condition (wear, Corrosion) of individual safety contacts or identifying them. This does not support condition-based maintenance at a time when the elevator system can be shut down without any problems.
- each shaft door leaf is provided with at least one electrical contact, which must be integrated in the safety circuit. This approach is complex and expensive.
- the monitoring system also has an evaluation system connected to the sensor means, which evaluates the signals supplied by the sensor means. This evaluation is carried out at short intervals and allows the condition of the monitored shaft or cabin door leaves to be recorded; Changes in the signal characteristics over time can also be recorded. According to this improved system, the condition of the shaft or Cabin door leaves can be analyzed and diagnosed by the sensor means. In addition, a gradual deterioration of individual subsystems can be seen, so that preventive maintenance can be initiated in good time.
- the object of the invention is therefore seen to provide improved monitoring for elevator landing doors, with which the disadvantages of the prior art can be avoided or at least greatly reduced.
- FIG. 1 shows an elevator system with a first monitoring system according to the invention, in a highly simplified schematic representation
- FIG. 2 shows a detailed view of a shaft door lock with sensor means according to the invention
- FIG. 3 shows a detailed view of a shaft door lock with deflecting means according to the invention
- FIG. 5 shows a detailed view of a mechanical system for securing and unlocking a shaft door locking device according to the invention.
- Fig. 6 is a detailed view of another shaft door bolt with deflecting means, according to the invention.
- An elevator system which comprises an elevator car 12 which is guided in a vertically movable manner in an elevator shaft 10.
- the elevator car 12 can serve the three floors A, B and C.
- the elevator car 12 is through a
- Cabin door 13 completed.
- Each of the three floors has a shaft door 11.
- the landing door 11 becomes this Floor opened through the cabin door 13.
- the elevator car 12 is located at the level of the floor B.
- the corresponding shaft door 11 and the car door are open, which cannot be seen in FIG. 1.
- the shaft door 11 is provided with a self-closing device so that the wings of the shaft door 11, if they are not actively kept open, close automatically.
- Shaft and cabin doors can have one or more door leaves.
- the invention is only described with reference to doors with a door leaf. It is hereby stated that the features, functions and properties according to the invention also apply to multi-leaf doors.
- An automatically locking shaft door latch 18 is provided, which locks the wing of the shaft door 11 as soon as it has reached its closed position, wherein the shaft door latch 18 can be unlocked by the elevator car 12.
- a controller 16 is provided which is connected to a drive 14 and moves the elevator car 12 via a cable 22.
- the elevator car 12 is in communication with the elevator controller 16 via a cabin bus 17.
- the cabin bus 17 is preferably a safety bus.
- the elevator installation is equipped with contactless sensor means 15, 19. These sensor means 15, 19 are used to monitor from the elevator car 12 whether the shaft door bolt 18 has been locked.
- the sensor means 15, 19 can also be used for repeated monitoring of the locked state of the shaft door bolt 18, whereby these Monitoring is performed while the elevator car 12 is moving past the landing doors.
- the sensor means 15, 19 can be connected to the elevator control 16 via the car bus 17.
- the sensor means 15 can be connected to the elevator control 16 by a safety monitoring system.
- a safety monitoring system can be used to record at least some of the safety-relevant states of an elevator system separately from the actual elevator control and to trigger reactions when problems occur by intervening directly in the elevator control.
- the car door 13 and with it also the wing of the shaft door 11 of this floor are closed.
- the shaft door latch 18 falls into the lock, as a result of which the shaft door is secured against unauthorized or accidental opening.
- the contactless sensor means 15, 19 inform the elevator control via the bus 17 that the shaft door latch 18 has been closed and is now closed. Only after the shaft door latch 18 has been reported as closed does the elevator control 16 set the elevator car 12 in motion via the drive 14. As long as this message is missing, the elevator car 12 remains at a standstill.
- the sensor means 15, 19 can detect the locked state of the shaft door bolt 18 there each time a shaft door is passed. This status information can be transmitted to the controller 16. If one of the shaft door bolts 18 is not locked, a corresponding reaction (for example shutting down the elevator or emergency call) can be triggered.
- a further embodiment of the invention is characterized in that the contactless sensor means comprises an active sensor part 15 and a passive sensor part 19, as shown in FIG. 2 using an example.
- the active sensor part 15 is on the elevator car 12
- the active and passive sensor parts are preferably arranged such that the active sensor part 15 can interact with the passive sensor part 19 as soon as the elevator car 12 stops behind the shaft door 11 to be monitored and the shaft door 11 together with the shaft door latch 18 to be monitored are closed , 2 shows a state in which the shaft door latch 18 is closed and the elevator car 12 together with the active sensor part 15 is approaching the stopping position.
- the cabin 12 can be equipped with a bus node 20. All elements of the cabin 12 which access the bus 17 or which must be accessible by the bus can be connected to the bus 17 via the bus node 20.
- the active sensor part 15 can be connected to the bus node 20 via a cable 21 or some other type of connection.
- the sensor means is connected to the elevator control via direct (parallel) wiring. In this case, no cabin bus is required to establish a connection between the sensor means and the elevator control.
- the two sensor parts 15 and 19 are designed and mounted such that they can interact briefly each time when the elevator car 12 drives past a shaft door 11 to be monitored and the shaft door 11 together with the shaft door latch 18 to be monitored are closed. As a result, it can be checked each time the cabin 12 passes by whether the shaft door latch 18 is closed.
- the shaft door latch 18 can, for example, be mounted on the wing of the shaft door 11 in such a way that it can be locked with a part which is firmly connected to a door frame fastened to the elevator shaft 10.
- the shaft door latch 18 comprises an axis of rotation and a hook-shaped arm which engages in a recess in the part connected to the shaft door frame.
- the shaft door latch 18 is provided with a weight or with a spring so that the latch 18 automatically locks the wing of the shaft door 11 as soon as it has reached its closed position.
- a locking mechanism 30 according to the invention is shown in FIG. 3.
- the form of representation is selected such that the locking mechanism 30 can be seen from the elevator car through the car door 35 (shown in broken lines).
- a shaft door latch 28 is closed in the closed state (ie in the locked state) see.
- the shaft door latch 28 engages with a hook-shaped arm 33 in a recess in the shaft door frame 31, and locks the shaft door 41 against unintentional or unauthorized opening.
- the bolt 28 is arranged so that it can rotate about an axis 32, as indicated by the arrow.
- the shaft door latch 28 is provided with a weight 34 so that the latch 28 hooks in as soon as the wing of the shaft door 41 has reached its closed position.
- the deflection mechanism 37 is preferably provided with rollers 40 in order to enable the driver swords 36 to be moved with reduced friction. While the elevator car is moving in the elevator shaft, the driver swords 36 are kept at a minimum mutual distance (for example by a spring), so that the elevator car can move from floor to floor without the driver swords 36 with the rollers 40 of the shaft doors 41 attached deflection mechanism 37 collide. Only when the elevator car approaches a floor and the door opening process begins, the driver swords 36 are spread apart. The door opening process can already be started while the elevator car is slowly approaching the stopping position, since the driver swords 36 have a corresponding length. As soon as the leading ends of the two carrier swords 36 are between the rollers 40, the spreading movement can begin.
- FIG. 4 shows a sensor means that operates optically.
- a shaft door latch 52 which engages in a recess in the shaft door frame 57 and locks the wing of the shaft door 51.
- an elevator car (not shown) at the same height as the shaft door 51.
- the elevator car carries a car door 53 with a door leaf, at the upper end of which an active sensor means 54, 55 is provided. It comprises a transmitter 54 which emits a light beam in the direction of the shaft door lock 52.
- a passive sensor part 59 is located on the shaft door latch 52, which reflects the light beam and directs it back in the direction of the active sensor means. There it is received by a receiver 55 and converted into an electrical signal, which can be transmitted either to a local evaluation device or via a bus or via parallel wiring to a remote evaluation device for evaluation. If the shaft door latch 52 is in the desired position, the light beam is largely reflected and detected on the receiver side. If the shaft door latch 52 is open (not locked), the passive sensor part 59 is not in the area of the emitted light beam and no light or only a small proportion of the light is reflected towards the receiver. It can thus be seen whether the shaft door latch 52 is closed.
- a passive sensor means 59 can be, for example, a mirror or a mirrored surface or a reflector.
- RFID tag for example in the form of a thin sticker
- An active sensor part on the elevator car which essentially comprises a transmitter and receiver.
- the transmitter emits an electromagnetic field. If the active part and the passive part are in a certain predefined position relative to one another, the electromagnetic field interacts with the RFID tag.
- the RFID tag absorbs electromagnetic energy and sends an identification on signal back.
- Each of the landing doors can be assigned a unique identification.
- the contactless sensor means can thus recognize whether an identification signal is being received, from which one can conclude that the shaft door lock is closed, since only in this case does the interaction between transmitter, RFID tag and receiver come about.
- the respective shaft door can be clearly identified based on the identification. If, for example, problems arise with the shaft door latch on one of the shaft doors, you can identify the affected shaft door and thereby ensure that a service technician can locate the problematic location more quickly. This is particularly important for large buildings with numerous floors.
- a magnetic element is provided as a passive sensor part in the area of the shaft door bolt to be monitored.
- a magnetic sensor on the elevator car or preferably on the car door, which serves as an active sensor part. The arrangement and sensitivity must be selected so that the magnetic field emanating from the magnetic element can be detected by the magnetic sensor when the elevator car is in the area behind a shaft door and the shaft door latch is locked.
- ultrasound or RF-based sensor means can also be used. It is also possible to use inductive or capacitive sensor means.
- the arrangement can be selected such that, in the presence of the locked shaft door bolt in the vicinity of the active sensor part, there is a disturbance in an electromagnetic field. Such a disturbance can be made detectable, for example, by detuning an oscillating circuit.
- a second contactless sensor means can be used instead of only one contactless sensor means per shaft door latch.
- a further embodiment of the invention is characterized in that a shaft door locking device is provided which is used to mechanically lock the shaft door lock in order to prevent unintentional opening of the shaft door lock and thus the shaft door.
- the shaft door lock is designed so that it can be activated from the elevator car.
- the locking position of the shaft door lock can be secured, for example, by a suitable bolt in such a way that the shaft door bolt cannot be unlocked as long as this bolt is in a securing position. Continuous monitoring of the shaft doors is therefore no longer necessary if you can be sure that the shaft door has been securely closed, locked and secured by the shaft door locking device.
- the shaft door locking device is mechanically unlocked from the elevator car when the elevator car approaches a floor at which the elevator car stops.
- An example of the mechanical unlocking of the shaft door locking device is shown in FIG. 5.
- the elevator car 62 carries a car door 65 to which an unlocking curve 63 is attached.
- This unlocking curve 63 is seated on a fastening means 61 which is designed such that the unlocking curve 63 is withdrawn during the normal travel of the elevator car 62 can. This is necessary in order to prevent the unlocking curve 63 from colliding with the shaft door locking device 64 when passing a shaft door.
- the unlocking curve 63 is increased by increasing the
- the shaft door locking device 64 has a recess 66.
- the profile of the unlocking curve 63 is selected such that the upper free end of the unlocking curve 63 engages in the recess 66 of the shaft door locking device 64 (this initial state is shown in FIG. 5).
- the car 62 makes a small upward movement (if the car 62 approaches the floor from below) and then comes to rest at the floor level.
- the elevator car 62 travels the last few centimeters of the journey, the shaft door lock 64 slides along the unlocking curve 63 and follows its profile. This results in a movement of the shaft door locking device 64 away from the shaft door towards the car door 65. This movement is sufficient to unlock the shaft door latch - which is not shown in FIG. 5.
- the shaft door lock 64 can be unlocked and the shaft door opened by spreading the driver swords.
- the elevator car 62 leaves the floor after the wing of the
- the shaft door bolt lock 64 is pushed back towards the shaft door by the unlocking curve 63 in order to secure the shaft door bolt there.
- the shaft door locking device is unlocked without contact.
- the shaft door locking device can be unlocked, for example, using a magnetic field that can be switched on and off.
- the magnetic field is generated from the elevator car, for example by a coil on a soft iron core.
- FIG. 6 Another landing door lock mechanism 70 according to the invention is shown in FIG. 6.
- a shaft door latch 78 can be seen in the closed state (i.e. in the locked state).
- the shaft door latch 78 engages with a hook-shaped arm 73 in a lock 71, and locks the wing of the shaft door against unintentional or unauthorized opening.
- the latch 78 is arranged so that it can rotate about an axis 72.
- the shaft door latch 78 is provided with a weight 74 so that the latch 78 automatically engages in the lock as soon as the wing of the shaft door has reached its closed position.
- two driver swords (not shown) attached to the wing of the car door engage between two rollers 80 of a deflection mechanism.
- the deflection mechanism is designed such that one of the rollers 80 is attached to the wing of the shaft door and the second roller 80 is attached directly to the shaft door latch 78.
- the two carrier swords are spread apart, as a result of which they exert a force on the rollers 80 of the deflection mechanism. With this force, the shaft door latch 78 moves around its
- Axis of rotation 72 a limited rotational movement counterclockwise.
- the weight 74 of the bolt 78 is raised and the lock relative to the lock 71 is solved.
- the shaft door can be opened through the cabin door.
- the shaft door bolt and the shaft door bolt lock are preferably designed such that, in an emergency, the shaft door can be unlocked from the floor side by a service technician or by other personnel.
- a service technician for example, a special tool can be provided.
- a solution is provided which is based on the fact that a method for closing the shaft doors through the cabin door (s) is combined with a monitoring on the cabin side which shows whether the shaft door latches have been locked.
- the invention is based on the fact that the shaft doors are securely closed and locked after each actuation. So you can do without the usual landing door contacts and consequently also a large part of the safety circuit.
- the shaft doors can only be opened by the cabin if it is on a corresponding floor behind the shaft doors.
- a shaft door can also be opened by a service technician if he uses a special tool for this. It can therefore be assumed that a shaft door is only open or can be opened if there is either an elevator car behind the corresponding shaft door or if a suitably trained service technician is present.
- the device according to the invention cannot be used to monitor whether a service technician or another person has opened the shaft door with a special tool. at previous systems, a contact was opened by opening the shaft door latch and the safety circuit was interrupted. Such contact is not in accordance with the invention hen more vorgese ⁇ .
- a sensor is less stressed, since it is rarely opened with a special tool.
- 'may be performed as such a sensor is that it is less susceptible to bending, sliding, Zung Abnut ⁇ , etc.
Landscapes
- Elevator Door Apparatuses (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Elevator Control (AREA)
- Lock And Its Accessories (AREA)
- Types And Forms Of Lifts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Control And Safety Of Cranes (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03744705A EP1490284B1 (de) | 2002-03-27 | 2003-03-21 | Schachtüberwachungssystem für aufzug |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02405242 | 2002-03-27 | ||
EP02405242 | 2002-03-27 | ||
EP03744705A EP1490284B1 (de) | 2002-03-27 | 2003-03-21 | Schachtüberwachungssystem für aufzug |
PCT/CH2003/000182 WO2003080495A1 (de) | 2002-03-27 | 2003-03-21 | Schachtüberwachungssystem für aufzug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1490284A1 true EP1490284A1 (de) | 2004-12-29 |
EP1490284B1 EP1490284B1 (de) | 2007-05-23 |
Family
ID=28051881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03744705A Expired - Lifetime EP1490284B1 (de) | 2002-03-27 | 2003-03-21 | Schachtüberwachungssystem für aufzug |
Country Status (17)
Country | Link |
---|---|
US (1) | US7350625B2 (de) |
EP (1) | EP1490284B1 (de) |
JP (1) | JP4358638B2 (de) |
CN (1) | CN100522786C (de) |
AT (1) | ATE362894T1 (de) |
AU (1) | AU2003209906B2 (de) |
BR (1) | BR0308715B1 (de) |
CA (1) | CA2478078C (de) |
DE (1) | DE50307325D1 (de) |
DK (1) | DK1490284T3 (de) |
ES (1) | ES2286449T3 (de) |
HK (1) | HK1072045A1 (de) |
MX (1) | MXPA04009366A (de) |
NO (1) | NO20044610L (de) |
PT (1) | PT1490284E (de) |
WO (1) | WO2003080495A1 (de) |
ZA (1) | ZA200407181B (de) |
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EP3187450B1 (de) * | 2015-11-18 | 2024-02-21 | Otis Elevator Company | Aufzugsschachtzugangssicherheit |
CN107473061B (zh) * | 2016-06-08 | 2020-10-16 | 奥的斯电梯公司 | 升降电梯系统的维护安全装置及其操作方法 |
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EP3401261B1 (de) * | 2017-05-12 | 2021-02-24 | Otis Elevator Company | Automatische aufzugsinspektionssysteme und verfahren |
EP3418238B1 (de) * | 2017-06-22 | 2020-07-08 | Otis Elevator Company | Sicherheitsvorrichtungen für aufzugssturztüren |
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DE19963038B4 (de) * | 1999-12-24 | 2005-01-27 | Hermann Steinweg Gmbh & Co Kg Baumaschinenfabrik | Bauaufzug |
PT1307395E (pt) * | 2000-08-07 | 2007-02-28 | Inventio Ag | Dispositivo de monitorização para um ascensor |
FR2814162B1 (fr) * | 2000-09-15 | 2002-12-13 | Thyssen Ascenseurs | Dispositif de verrouillage/deverrouillage de porte paliere d'une installation d'ascenseur |
US6382362B1 (en) * | 2001-02-13 | 2002-05-07 | Inventio Ag | Optical monitoring system for hoistway door interlocks |
EP1427662B1 (de) | 2001-09-18 | 2005-12-14 | Inventio Ag | Siecherheitskreis für aufzugstüren |
JP4527362B2 (ja) * | 2002-05-03 | 2010-08-18 | インベンテイオ・アクテイエンゲゼルシヤフト | エレベータ装置のシャフトドア監視方法 |
US7077244B2 (en) * | 2002-10-08 | 2006-07-18 | Otis Elevator Company | Elevator cab locating system including wireless communication |
CN100436296C (zh) * | 2003-04-30 | 2008-11-26 | 蒂森克虏伯电梯股份有限公司 | 升降机装置以及用于控制所述升降机装置的方法 |
SG112018A1 (en) * | 2003-11-11 | 2005-06-29 | Inventio Ag | Elevator installation and monitoring system for an elevator installation |
-
2003
- 2003-03-21 DE DE50307325T patent/DE50307325D1/de not_active Expired - Lifetime
- 2003-03-21 WO PCT/CH2003/000182 patent/WO2003080495A1/de active IP Right Grant
- 2003-03-21 AT AT03744705T patent/ATE362894T1/de active
- 2003-03-21 ES ES03744705T patent/ES2286449T3/es not_active Expired - Lifetime
- 2003-03-21 DK DK03744705T patent/DK1490284T3/da active
- 2003-03-21 MX MXPA04009366A patent/MXPA04009366A/es active IP Right Grant
- 2003-03-21 EP EP03744705A patent/EP1490284B1/de not_active Expired - Lifetime
- 2003-03-21 AU AU2003209906A patent/AU2003209906B2/en not_active Ceased
- 2003-03-21 PT PT03744705T patent/PT1490284E/pt unknown
- 2003-03-21 CA CA2478078A patent/CA2478078C/en not_active Expired - Fee Related
- 2003-03-21 BR BRPI0308715-8A patent/BR0308715B1/pt not_active IP Right Cessation
- 2003-03-21 CN CNB038066475A patent/CN100522786C/zh not_active Expired - Fee Related
- 2003-03-21 JP JP2003578267A patent/JP4358638B2/ja not_active Expired - Fee Related
-
2004
- 2004-09-08 ZA ZA200407181A patent/ZA200407181B/en unknown
- 2004-09-23 US US10/947,772 patent/US7350625B2/en active Active
- 2004-10-26 NO NO20044610A patent/NO20044610L/no not_active Application Discontinuation
-
2005
- 2005-06-09 HK HK05104871A patent/HK1072045A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO03080495A1 * |
Also Published As
Publication number | Publication date |
---|---|
ZA200407181B (en) | 2006-02-22 |
NO20044610L (no) | 2004-12-22 |
PT1490284E (pt) | 2007-08-13 |
JP2006501112A (ja) | 2006-01-12 |
DK1490284T3 (da) | 2007-09-10 |
CA2478078A1 (en) | 2003-10-02 |
ATE362894T1 (de) | 2007-06-15 |
CA2478078C (en) | 2011-05-17 |
WO2003080495A1 (de) | 2003-10-02 |
AU2003209906A1 (en) | 2003-10-08 |
ES2286449T3 (es) | 2007-12-01 |
US20050034931A1 (en) | 2005-02-17 |
DE50307325D1 (de) | 2007-07-05 |
CN100522786C (zh) | 2009-08-05 |
BR0308715A (pt) | 2005-01-04 |
US7350625B2 (en) | 2008-04-01 |
CN1642841A (zh) | 2005-07-20 |
HK1072045A1 (en) | 2005-08-12 |
AU2003209906B2 (en) | 2008-05-08 |
EP1490284B1 (de) | 2007-05-23 |
JP4358638B2 (ja) | 2009-11-04 |
BR0308715B1 (pt) | 2012-04-17 |
MXPA04009366A (es) | 2005-07-05 |
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