EP2540651B1 - Dispositif d'ascenseur, bâtiment et dispositif de détermination de position - Google Patents

Dispositif d'ascenseur, bâtiment et dispositif de détermination de position Download PDF

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Publication number
EP2540651B1
EP2540651B1 EP11005240.4A EP11005240A EP2540651B1 EP 2540651 B1 EP2540651 B1 EP 2540651B1 EP 11005240 A EP11005240 A EP 11005240A EP 2540651 B1 EP2540651 B1 EP 2540651B1
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EP
European Patent Office
Prior art keywords
lift
marking unit
unit
building
marking
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
EP11005240.4A
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German (de)
English (en)
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EP2540651A1 (fr
Inventor
Tobias Dr. Leutenegger
Steven Freedman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cedes AG
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Cedes AG
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Filing date
Publication date
Application filed by Cedes AG filed Critical Cedes AG
Priority to EP11005240.4A priority Critical patent/EP2540651B1/fr
Priority to US13/530,168 priority patent/US8857572B2/en
Priority to CN201210215927.8A priority patent/CN102849551B/zh
Priority to JP2012145673A priority patent/JP2013010638A/ja
Publication of EP2540651A1 publication Critical patent/EP2540651A1/fr
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Publication of EP2540651B1 publication Critical patent/EP2540651B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3492—Position or motion detectors or driving means for the detector
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
    • B66B3/02—Position or depth indicators
    • B66B3/023—Position or depth indicators characterised by their mounting position

Definitions

  • the invention relates to an elevator device for the transport of persons and / or objects within an elevator shaft of a building or the like according to the preamble of claim 1 and a building according to the preamble of claim 7.
  • Elevators or elevator systems for buildings are known from the prior art, in which the position of the elevator car of the elevator car is detected by means of a magnetic tape.
  • This magnetic tape is regularly attached to the mobile scaffold or on a guide rail of the mobile scaffold.
  • This mobile scaffold serves to guide or support the elevator cage, ie the mobile scaffold provides a guide for the elevator cage, in which the elevator cage is moved or can be moved.
  • the object of the invention is to provide an elevator apparatus, a position determination apparatus or a building, in which an improved precise position determination of the elevator car is made possible taking into account that building structures can settle over time after they have been built.
  • an elevator device is characterized in that the marking unit as a carrier of a bar code, in particular a 2-D code and the detection unit as an image sensor, in particular as a camera, are formed.
  • the elevator device serves to transport persons and / or objects within an elevator shaft of a room structure or the like.
  • a room structure can be a building.
  • Under a building according to the invention is any kind of structure to understand, for example, a house, a high-rise, a tower, a hall, a stadium with a tribune, a warehouse, a transport or loading station or the like. But it can also be another, at least two floors comprehensive spatial structure.
  • a spatial structure may, for example, also be a vehicle which has a building-like structure, for example a ship.
  • elevator devices in mobile transport or lifting devices Such an elevator device has a lift cage in which the persons and / or objects to be transported can be accommodated. The elevator cage is moved within a mobile scaffold for storage or guidance of the elevator cage.
  • the mobile scaffold is installed inside a lift shaft.
  • a position determining device In order to determine the position of the elevator cage within the elevator shaft or with respect to the mobile platform, a position determining device is provided. This comprises at least one marking unit for marking the position, furthermore a detection unit for detecting or reading out the marking unit and an evaluation unit for evaluating the measured values of the detection unit.
  • This evaluation unit can, for example be designed as an electronic unit, which outputs output measured values of the detection unit and uses this to determine therefrom a position indication of the position of the elevator cage with respect to the mobile scaffold or the position within the elevator shaft.
  • the position determination can be improved.
  • a bar code or a 2-D code makes it possible to carry out a simple and cost-effective marking.
  • Such a mark can be printed, for example, simply and inexpensively.
  • Such a mark can also be read out with standard scanners or other image sensors provided for this purpose. In addition, this allows a particularly error-free reading. Since the corresponding barcodes or 2-D codes can be imaged very sharply and can also be placed very precisely in relation to the mobile scaffold or the elevator shaft and on a very precise image sensor detection is possible, the position can also be determined very precisely become.
  • barcodes or 2-D codes have a correspondingly high black-and-white contrast, these markers are regularly less susceptible to contamination such. By dust.
  • a maintenance or error signal can be output, for example, from the evaluation unit, in which also the contrast can be determined.
  • a barcode or 2-D code can advantageously be read without contact and is also practically wear-free.
  • a correspondingly accurate detection is provided by image sensors having a corresponding optics such. have telecentric lenses allows. Furthermore, it is possible to provide the most compact and small image sensors available. Due to the simple and compact design it is possible that only small costs for the position determination occur. In addition, such a position determination allows low power consumption, since usually only a small power is required for the corresponding electronics.
  • the marking unit is further formed as a band, this measure, allows a continuous marking of the position on the route of the elevator car.
  • Each individual marking can be separated from the next marking by a corresponding symbolism, for example a separating strip, so that a fine screening is also made possible.
  • the first marking unit is mounted on the mobile scaffold, in particular on a guide rail of the mobile scaffold.
  • this measure also enables a simplified installation or maintenance.
  • no influence must be taken into account with regard to a measurement that could be caused by a change in the distance between the marking strip and the sensor. In most cases, a small distance between the marking strip and the sensor makes it possible to determine the position precisely.
  • Building structures can "settle" over time after they have been built, ie walls, for example, have their position change and move easily. Such changes are known in construction technology and building physics and caused for example by aging or stress. Also conceivable are changes due to seismic activity or other changes in the subsurface (caused, for example, by subsidence, by groundwater, etc.). However, these shifts are not always linear or even. If such a shift occurs, it may mean that the building is being moved in a different way than, for example, the chassis in which the elevator cage is being guided.
  • a further advantage of the attachment of the marking unit to the mobile scaffold can consequently be that at least partial decoupling of the position of the marking unit from displacements of the building is made possible.
  • a corresponding marking unit is attached directly to the building, for example to a wall of the building, this can change its relative position with respect to the detection by an image sensor of a lift cage movable in the mobile structure. If this effect were not taken into account, this could lead to the positioning being more inaccurate after a certain time, in which the building or individual walls move, than when installing the elevator; Accordingly, if appropriate, the shaft opening could no longer be approached precisely by the elevator car.
  • the second marking unit is attached to the elevator shaft or to another part, for example a wall of the building.
  • At least one first and one second marking unit are provided according to the invention.
  • a second marking unit can be used as a reference mark for adjusting the accuracy of the first marking unit.
  • the evaluation unit can perform such a comparison, if necessary automatically at certain time intervals.
  • the elevator apparatus can determine whether with time between the first marking unit and the second Marking unit has made a change in relation to the relative position to each other. This can be used for maintenance purposes, but also for building security.
  • a calibration of the position-determining device can thereby be carried out, so that an even more precise position determination is made possible. Such a calibration can be carried out in the evaluation unit.
  • the second marking unit may, for example, be mounted near the shaft opening, for example per floor.
  • a second marking unit can also be used to transmit further information.
  • the second marking unit can be used to mark a specific zone on the route within the elevator shaft.
  • the evaluation unit can in turn be designed to determine whether the car or the elevator car is located within this zone or not.
  • a zone can be, for example, the area around a shaft opening in which it is possible to get out of persons located in the elevator cage.
  • a shaft opening is present in each floor, optionally also two manhole openings, if, for example, an exit to opposite sides is possible.
  • an unlocking device for unlocking a door or an exit hatch of the elevator car which is controllable by means of the evaluation device, be present.
  • the purpose of such unlocking is to allow an emergency exit in case of a defect of the elevator, but only if the elevator car is located in the region of a shaft opening.
  • the unlocking a Door of a shaft opening of the elevator shaft unlocked, so a door that is not directly attached to the elevator car.
  • a control within the meaning of the invention means a control and / or control. For example, depending on whether the elevator car is within the zone, the unlocking device may or may not be activated.
  • the detection unit may be arranged in an embodiment variant on and / or under the car. It is also conceivable that the detection unit is attached to another position on the car. This means that the marking unit is fixed, for example on the running rail or on the building itself, while the car, which can perform a movement relative to this marking unit, has the corresponding detection unit, which then depending on their position with respect to the Marker unit corresponding position information can supply the evaluation device. In principle, however, it is conceivable that the detection unit is also mounted, for example, laterally on the elevator car. In general, the position of the detection unit relative to the car, inter alia, in the evaluation of the position of the car by the evaluation device to be considered, d. H. this must be configured accordingly or preprogrammed accordingly.
  • a building according to the invention with at least two floors is characterized in that an elevator device according to one of the preceding claims is provided.
  • the second marking unit is attached to the building.
  • a relation between the mobile scaffold or the rail of the mobile scaffold and the building is advantageously made possible in particular.
  • this relative position between the building and the mobile scaffolding even at a non-uniform change at any time redetermined and recalibrated.
  • a corresponding warning function for example, by the evaluation, is activated when this change in position is too strong.
  • This second marking unit can also carry, for example, floor information and position information. For example, it may contain the number of the single floor in coded form.
  • the position information can be represented in various ways: First, there is the possibility of point information, which can be used in principle for calibrating the code band, but also for calculating a position, for example, the zone in which an unlocking is to take place. Furthermore, an area information can be encoded, which z. B. enables direct detection of the unlocking zone. Such an area may be defined by a beginning and an end, for example, in the case of an unlocking zone, an area of about 20 cm below a manhole opening to 20 cm above a manhole opening. In principle, it is conceivable, for example, to detect the beginning or the end of an unlocking zone directly on the basis of a coding on the marking unit.
  • a length information can be transmitted, which can be used for a calibration of the code band, but can also lead to increased accuracy, if the vernier principle is exploited. Accordingly, in principle both an indirect and a direct detection of the unlocking zone is conceivable.
  • floor information can also be coded. Image sensors can basically be used to read out the first and also the second marking unit. The marker units can also be used to define a breakpoint of the elevator cage. The floor information can basically be omitted if a position can be assigned to the code read out from the marking unit by the memory of the evaluation unit.
  • the corresponding information or allocation table is then corresponding to e.g. in the memory of the evaluation before deposit.
  • the floor information may also be obtained by detecting a read-out breakpoint information and reading markings from an extreme position during a learning phase while driving. This measure enables good technical feasibility and cost-effective implementation.
  • the second marking unit is arranged such that the zone marked by it forms an area around at least one of the shaft openings of the elevator shaft.
  • This zone may, for example, serve as an unlocking zone, i. H.
  • an emergency release can be made if the elevator stops, for example due to a technical defect or other unforeseen event. With the help of the emergency release then the doors can be brought in a safe for the persons or the transporting objects area through a manhole opening from the car. By this measure, the safety of the elevator device can be increased.
  • FIG. 1 shows an elevator device 1 with a mobile scaffold 2 and a lift cage 3.
  • the elevator cage 3 carries on its underside a camera 4.
  • On the mobile scaffold 2 is a first Marking unit 5 attached.
  • the elevator device 1 in turn is located in a building 6, the building 6 in turn comprises an elevator shaft 7, in which in turn the elevator device 1 is arranged.
  • a shaft opening 8 In a wall of the building 6, which adjoins the elevator shaft 7, there is again a shaft opening 8.
  • a second marking unit 9 is attached to the wall of the building 6.
  • This embodiment is a preferred embodiment.
  • the camera 4 is designed as an image sensor to basically detect and read both the first and the second marking unit. Persons can pass through a shaft opening 8 in the car 3, if this is at the appropriate height, more precisely at the corresponding position in height of the shaft opening 8. In the car 3, the persons can be transported in the vertical direction.
  • the elevator cage 3 in turn is supported and guided by the chassis 2. Furthermore, the car 3 includes doors that automatically open and close when the car has reached a corresponding position, for example at the level of the shaft opening 8.
  • the camera 4 When driving the elevator cage 3 in the vertical direction, the camera 4 receives corresponding images of the first measuring unit. These image information received by the first measuring unit are processed in the evaluation unit (not shown) and finally result in a position specification of the elevator car 3 within the chassis 2. Both the second marking unit and the first marking unit contain a barcode or 2-D code to be read out , The image area which the camera 4 detects, however, also makes it possible to read the second marking unit if it can be detected by the camera 4, which in turn depends on the position of the elevator cage 3. As in FIG. 1 illustrated, the camera 4 can then detect the second marking unit when the car 3 is located in the region of the shaft opening 8.
  • Both the second marking unit and the camera 4 on the elevator car 3 are mounted so that the second marking unit at the shaft opening 8 can be read when the elevator car 3 is approximately 20 centimeters above or below the normal position at the level of the shaft opening 8, in usually takes a step out of the car. This is the case when the bottom of the car is at a level with the ground at the shaft opening 8.
  • This zone 20 centimeters above to 20 centimeters below the normal holding position at the level of the shaft opening 8 in turn forms an unlocking zone.
  • an emergency release can take place in permissible manner. Such an emergency release is necessary when the car 3 stops suddenly, for example as a result of an unforeseen event, a power failure, a blockage of the elevator or the like.
  • the persons can then be released from the pull-out basket 3 without any special danger, if this is located in a corresponding zone which is located close enough to the shaft opening 8.
  • this zone the unlocking zone, is located about 20 centimeters above or below the shaft opening 8.
  • the first marking unit is formed as a band carrying the bar code; Meanwhile, the second marking unit is formed as a 2-D code, wherein the marking unit is formed by a marking piece.
  • these marking units can be formed by an adhesive strip which carries the corresponding marking or the corresponding bar or 2-D code.
  • FIG. 3 shows an example of a corresponding marking unit, namely a code tape 10.
  • the code tape for attachment as a second marking unit provided directly to a building, for example, the area 11 can serve as floor coding, the area 12 as a position coding and the area 13 as unlocking coding.
  • marking lines 14 may also be present.
  • the marker lines 14 may occur at periodic intervals.
  • the code tape 10, 11 itself consists of a reflective film, with corresponding black lines, areas or dots for coding are printed on it.
  • the film is z. B. glued to a sheet or piece of metal and sealed for protection.

Claims (9)

  1. Dispositif d'ascenseur (1) pour transporter des personnes et/ou des objets à l'intérieur d'une cage d'ascenseur (7) d'une structure comprenant des pièces (6) comportant au moins deux étages, en particulier d'un bâtiment ou un ouvrage similaire, comportant :
    - une cabine d'ascenseur (3), dans laquelle peuvent être placés les personnes et/ou objets à transporter,
    - une structure de circulation (2) pour recevoir et guider la cabine d'ascenseur,
    - un dispositif de détermination de position pour déterminer la position de la cabine d'ascenseur à l'intérieur de la cage d'ascenseur et/ou par rapport à la structure de circulation, lequel dispositif comporte une unité de marquage pour marquer la position, une unité de détection (4) pour détecter et/ou indiquer l'unité de marquage, ainsi qu'une unité d'analyse pour analyser les valeurs de mesure de l'unité de détection,
    l'unité de marquage (5, 9, 10, 14) étant conçue comme un support d'un code à barres, en particulier d'un code 2D, et l'unité de détection (4) étant conçue comme un capteur d'images, en particulier comme une caméra, et une première et une seconde unité de marquage étant prévues, caractérisé en ce que la seconde unité de marquage (9) est conçue comme un marquage de référence pour comparer la précision de la première unité de marquage, et l'unité d'analyse est conçue pour réaliser une comparaison entre la première et la seconde unité de marquage, de sorte qu'il est possible d'établir s'il s'est produit une modification de la position relative entre la première unité de marquage et la seconde unité de marquage, la première unité de marquage (5) étant disposée sur la structure de circulation, en particulier sur un rail de guidage de la structure de circulation, et la seconde unité de marquage (9) étant disposée sur la cage d'ascenseur ou sur une autre partie du bâtiment, par exemple sur une paroi du bâtiment.
  2. Dispositif d'ascenseur selon la revendication 1, caractérisé en ce que l'unité de marquage (5, 9, 10, 14) est conçue comme une bande.
  3. Dispositif d'ascenseur selon l'une des revendications précédentes, caractérisé en ce que la seconde unité de marquage (9) est conçue pour marquer une zone particulière du parcours à l'intérieur de la cage d'ascenseur.
  4. Dispositif d'ascenseur selon l'une des revendications précédentes, caractérisé en ce que l'unité d'analyse est conçue pour établir si la cabine d'ascenseur se situe dans la zone.
  5. Dispositif d'ascenseur selon l'une des revendications précédentes, caractérisé en ce qu'un dispositif de déverrouillage est prévu pour déverrouiller une porte de la cabine d'ascenseur et/ou une ouverture de la cage d'ascenseur, lequel dispositif peut être contrôlé au moyen du dispositif d'analyse.
  6. Dispositif d'ascenseur selon l'une des revendications précédentes, caractérisé en ce que l'unité de détection est disposée sur la cabine d'ascenseur, en particulier dessus et/ou dessous la cabine d'ascenseur.
  7. Bâtiment (6) comprenant au moins deux étages, caractérisé en ce qu'il est prévu un dispositif d'ascenseur selon l'une des revendications précédentes.
  8. Bâtiment selon la revendication 7, caractérisé en ce que la seconde unité de marquage est disposée sur le bâtiment.
  9. Bâtiment selon la revendication 7 ou 8, caractérisé en ce que la seconde unité de marquage est disposée de manière à ce que la zone qu'elle marque forme une plage autour d'au moins une des ouvertures de la cage d'ascenseur.
EP11005240.4A 2011-06-28 2011-06-28 Dispositif d'ascenseur, bâtiment et dispositif de détermination de position Active EP2540651B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP11005240.4A EP2540651B1 (fr) 2011-06-28 2011-06-28 Dispositif d'ascenseur, bâtiment et dispositif de détermination de position
US13/530,168 US8857572B2 (en) 2011-06-28 2012-06-22 Elevator position detection with optical marking units
CN201210215927.8A CN102849551B (zh) 2011-06-28 2012-06-27 电梯装置、建筑物和位置确定装置
JP2012145673A JP2013010638A (ja) 2011-06-28 2012-06-28 エレベータ装置、建物、及び位置決定デバイス

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11005240.4A EP2540651B1 (fr) 2011-06-28 2011-06-28 Dispositif d'ascenseur, bâtiment et dispositif de détermination de position

Publications (2)

Publication Number Publication Date
EP2540651A1 EP2540651A1 (fr) 2013-01-02
EP2540651B1 true EP2540651B1 (fr) 2013-12-18

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EP11005240.4A Active EP2540651B1 (fr) 2011-06-28 2011-06-28 Dispositif d'ascenseur, bâtiment et dispositif de détermination de position

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US (1) US8857572B2 (fr)
EP (1) EP2540651B1 (fr)
JP (1) JP2013010638A (fr)
CN (1) CN102849551B (fr)

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BR112019022877A2 (pt) 2017-06-27 2020-05-19 Inventio Ag sistema determinador de posição e processo para identificação de uma posição de cabine de uma cabine de elevador
WO2019011828A1 (fr) * 2017-07-14 2019-01-17 Inventio Ag Procédé de configuration de paramètres de configuration concernant la sécurité dans un système de transport de personnes
EP3434634B1 (fr) 2017-07-25 2021-01-06 Otis Elevator Company Dispositif de sécurité d'ascenseur
US11161714B2 (en) * 2018-03-02 2021-11-02 Otis Elevator Company Landing identification system to determine a building landing reference for an elevator
EP3784613B1 (fr) * 2018-04-24 2023-12-27 Inventio Ag Système de détermination de position et procédé de détermination d'une position de cabine d'une cabine d'ascenseur
DE112018007929T5 (de) * 2018-08-24 2021-05-06 Mitsubishi Electric Corporation Markierungspositionierungsvorrichtung für einen Aufzug
CN112408136B (zh) * 2019-04-30 2023-08-01 上海三菱电梯有限公司 轿厢绝对位置测量系统的校正装置的性能检测系统及方法
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CN114007973A (zh) * 2019-06-28 2022-02-01 因温特奥股份公司 用于确定电梯轿厢在电梯装置的竖井中的多个绝对轿厢位置的方法和设备
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US8857572B2 (en) 2014-10-14
CN102849551B (zh) 2017-04-26
US20130001023A1 (en) 2013-01-03
JP2013010638A (ja) 2013-01-17
CN102849551A (zh) 2013-01-02
EP2540651A1 (fr) 2013-01-02

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