EP3728096A1 - Installation d'ascenseur comprenant une unité de rideau lumineux - Google Patents

Installation d'ascenseur comprenant une unité de rideau lumineux

Info

Publication number
EP3728096A1
EP3728096A1 EP18815752.3A EP18815752A EP3728096A1 EP 3728096 A1 EP3728096 A1 EP 3728096A1 EP 18815752 A EP18815752 A EP 18815752A EP 3728096 A1 EP3728096 A1 EP 3728096A1
Authority
EP
European Patent Office
Prior art keywords
unit
elevator
light beam
test element
receiving unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18815752.3A
Other languages
German (de)
English (en)
Other versions
EP3728096B1 (fr
Inventor
Hansueli Stocker
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.)
Inventio AG
Original Assignee
Inventio AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Publication of EP3728096A1 publication Critical patent/EP3728096A1/fr
Application granted granted Critical
Publication of EP3728096B1 publication Critical patent/EP3728096B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
    • B66B5/0093—Testing of safety devices
    • 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
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
    • B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E05F2015/434—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors
    • E05F2015/435—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors by interruption of the beam
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/50—Fault detection
    • E05Y2400/502—Fault detection of components
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators

Definitions

  • the invention relates to an elevator system with a light curtain unit and a Ver drive for testing such a light curtain unit.
  • elevator systems have an elevator car which is usually movable vertically in an elevator shaft.
  • the elevator shaft has several shaft door openings. At each of these Schachtföfhungen a separate landing door is angeord net. Usually, these shaft doors are arranged one above the other in alignment.
  • An elevator car can be moved along this elevator shaft.
  • the elevator car has a car door.
  • the elevator car can be positioned within the elevator shaft such that the car door is arranged at one of these shaft doors.
  • the car door is usually coupled with this at the car door arranged shaft door to the opening, closing or unlocking.
  • a door drive arranged on the elevator car accordingly enables both the operation of the car door and the actuation of the shaft door coupled to the car door.
  • a light curtain unit comprises a transmitting unit to the outside of a light beam and a receiving unit for receiving the light beam. Accordingly, the transmitting unit and the receiving unit are arranged on the door opening, that the light beam along the plane of the door opening, between the open shaft door and the open cabin door, is aligned. If the light beam of the light curtain is interrupted during the closing of the doors, the closing of the doors is interrupted or reversed. In order to ensure the safety of the person using the elevator at any time, be there is the need that the components of the light curtain unit work properly during operation of the elevator system.
  • both US2015 / 0316410 Al and GB2526070A show methods for testing such light curtain units. Accordingly, the object is to develop an alternative method for testing a light curtain unit.
  • This object is achieved by means of an elevator installation having an elevator shaft, and a door opening, and a transmission unit for emitting at least one light beam, and a reception unit for receiving the light beam, wherein the transmission unit is arranged on a first side of the door opening and the reception unit on the side of the door opening, and a test element for testing the reception and / or testing of the transmission unit, wherein the light beam between the transmission and the reception unit can be interrupted by the test element.
  • the object is likewise achieved by a method for testing a transmitting unit transmitting at least one light beam and a receiving unit of the elevator installation receiving the light beam, wherein the light beam between transmitting unit and receiving unit is interrupted by the test element during a travel of the elevator car, and by a change of detected by the receiving unit signal waveform with means of the evaluation is detected that the transmitting unit and the receiving unit are functional.
  • the invention is based on the finding that a light curtain unit comprising a transmitting unit, a receiving unit and an evaluation unit has to be functional substantially during the entire operation of the elevator installation.
  • This means that the light beam can be transmitted by the transmitting unit during the operation of the elevator installation and can be received by the receiving unit.
  • the Period used in which the elevator car is moved and therefore the light curtain is not safety-relevant.
  • a test element fixed in the elevator shaft is arranged such that the light beam emitted by the transmitter unit and received by the receiver unit during the
  • Process of the elevator car can be interrupted by the test element.
  • the light beam it is possible for the light beam to be interrupted by the test element in the case of both the closed cabin door and the closed shaft door.
  • a further development of the elevator installation has an elevator car which can be moved in the elevator shaft, the elevator car having a car door opening, and the transmission unit being arranged on a first side of the car door opening and the receiving unit being arranged on one side of the car door opening.
  • the Sendeein unit and the receiving unit are arranged on the elevator car in order not to have to equip each of the shaft doors of the elevator system with these components. In this way, by means of only one transmission unit and one associated receiving unit, all open shaft doors to which the opened car door is arranged can be monitored.
  • the test element can be arranged on the elevator car, wherein the transmitting unit and the receiving unit are fixed to one of the shaft doors.
  • test element is fixed to a wall of the elevator shaft.
  • test element may be fixed to a frame of a shaft door of the elevator installation. Such a shaft door closes in her
  • test element is at a shaft door threshold, that is on the frame of the shaft door below the Schachttöffhung, or at one
  • Transom that is arranged at one above the shaft door opening arranged cross member, the frame of the shaft door.
  • the light beam is aligned horizontally.
  • the test element can have small dimensions both in the horizontal and in the vertical direction and can therefore be manufactured inexpensively.
  • the test element is elastic. Accordingly, the transmitting and receiving unit can be tested even in an unproblematic manner, if the fixed to the elevator shaft elements of the superimposed orderly shaft door are not aligned vertically aligned in high accuracy. Accordingly, the test element may well with elements of the elevator car or the
  • the elastic test element is formed by a brush-like test element. It is advantageous that such a collision of the brush-type test element with the said elements produces substantially no perceptible noise irritating the elevator passenger.
  • a brush-like Testele element by way of example comparable to a household broom, may for example comprise a plurality of bristles.
  • the transmission unit and the reception unit have a vertical dimension, which essentially corresponds to the height of the door opening, wherein the transmission unit emits a multiplicity of light beams detectable by the reception unit. By means of such a light curtain, the entire door opening can be monitored.
  • the receiving unit sends a signal to an evaluation unit for detecting the functionality of the transmitting or receiving unit as a function of the light beam interrupted or not interrupted by the test element.
  • an evaluation unit makes it possible to further process the recognized functionality of the transmitting or receiving unit within the elevator installation and, if necessary, to continue to operate the elevator installation in a secure mode for safety reasons, possibly to put it out of operation or to service the elevator installation by means of a transmission of the data obtained by the evaluation unit to schedule a service center promptly.
  • a development of the elevator installation comprises a position detection device for detecting the position of the elevator car in the elevator shaft, wherein the evaluation unit is designed such that by means of the continuously detected position of the elevator car a position of the test element is comparable to a position of the interrupted or to be interrupted light beam assumed in the elevator shaft ,
  • the position detection device transmits a position of the elevator car to the evaluation unit, so that a vertical position of the test element attached to the elevator car or of the light beam fixedly arranged on the elevator car can be determined by means of the information transmitted by the position sensing device, wherein a position of the test element is compared with the position of the light beam and if the positions of the test element and the light beam match the detected or not detected one Interruption of the light beam is included in the evaluation of the functioning of the transmitting unit and the receiving unit.
  • a possibly the light beam interrupting element of the on karsstrom which is not the test element, typically located immediately above the shaft door opening.
  • Such an element may be a component of the Verriege development of the shaft door.
  • the test element may be arranged immediately below the shaft door opening. In the case of down travel from this hoistway door opening, the method for testing the light curtain unit may be started immediately after it starts
  • the method of testing the light curtain unit may be performed immediately prior to arrival of the elevator car at that hoistway door opening.
  • a signal triggering the deceleration of the elevator car can be used to carry out the method for testing the light curtain unit. If the test element by way of example at this time already passes a first of several light beams of the light curtain unit, that is interrupted, this signal can also be used to include this interruption in the evaluation.
  • the test element can be arranged above the shaft door opening. The method for testing the light curtain unit is then to be carried out in a corresponding manner.
  • Figure 1 an elevator system
  • FIG. 2 shows a lift cage arranged on a shaft wall in a plan view
  • Figure 3 is a front view of an elevator car with a door opening
  • Figure 4 Elements of a light curtain unit.
  • FIG. 1 shows an elevator installation 1.
  • the elevator installation 1 comprises an elevator shaft 2 and an elevator car 4 which can be moved in the elevator shaft 2 and typically a counterweight 6.
  • the elevator cage 4 is usually substantially vertically movable in accordance with the orientation of the elevator shaft 2.
  • the counterweight 6 is arranged movable in opposite directions to the elevator car 4.
  • the elevator car 4 and the counterweight 6 are connected by means of a suspension 9, which support means 9 in Head of the elevator shaft 2 via pulleys 8 may be performed.
  • One of these order guide rollers 8 may be formed as a drive unit for moving the elevator car 4.
  • the elevator shaft 2 has a plurality of shaft doors 12 arranged one above the other, these shaft doors 12 connecting the elevator shaft 2 to a plurality of usually horizontally oriented floors. At her the shaft doors 12 facing
  • the elevator installation 1 can comprise a position detection device (not shown).
  • Position detecting device is usually used as input for a driving control of the elevator car 4 and may have a over the entire length of the elevator shaft 2 he stretching tape with a coding and a to the elevator car 4 attached detector.
  • the detector is used to record the coding of the measuring tape. This results in the ability to determine the position of the elevator car 4 continuous Lich.
  • Figure 2 shows a front view of the elevator car 4 with the car door 10 in a ge opened state.
  • the car door 10 comprises at least one car door leaf 24, wherein one of the car door opening 11 facing edge of the car door leaf 24 in the open
  • a transmitting unit 16 and a receiving unit 18 of a light curtain unit are each Weil arranged on one of the two sides of the car door opening 11. Both the Sen unit 16 and the receiving unit 18, a vertical dimension aufwei sen, which corresponds substantially to the height of the car door opening 11. Accordingly, the transmitting unit 16 may be configured to emit a plurality of light beams toward the receiving unit 18 so as to vertically extend the entire
  • FIG. 3 shows a lift cage 4 arranged in an elevator shaft 2 in a plan view.
  • the elevator car 4 shown in FIG. 3 is an example of one Shaft door 12 is arranged.
  • the shaft door 12 has elements of a shaft door frame, which essentially enclose, preferably completely enclose, a shaft door opening 13 when the shaft door 12 is open.
  • the elements of the hoistway door frame are a shaft door sill 23, side of a shaft door opening 13 arranged shaft door jambs 20 and above the shaft door opening 13 arranged, not ge shown shaft door fighter.
  • the transmitting and receiving units 16, 18 are arranged on the elevator car 4 such that a light beam 21 emitted by the transmitting unit and receivable by the receiving unit 18 extends between the car door 10 and the shaft door 12.
  • Light beam 21 is usually used to monitor the coupled, open Kabi nenm 10 and the shaft door 12 and in particular the monitoring of the Schliessvorgan- ges coupled to the landing door 12 car door 10.
  • a test element 30 is preferably on the shaft door sill 13, on one of Matpfos th 20th or fixed to the shaft turner, not shown. Alternatively, the test element 30 may be fixed to a wall of the elevator shaft 2 in the vertical alignment of the shaft doors, that is to say between the shaft doors of the elevator installation.
  • the test element 30 is preferably formed elastically and in the direction of Ver driving direction of the elevator car 4 partially arranged between the transmitting unit 16 and the Emp catching unit 18 such that the light beam 21 is un interruptible by the test element 30.
  • the transmitting unit 16 and the receiving unit 18 explained in FIGS. 2 and 3 are fixed to the elevator car 4, wherein the test element 30 is fixed to a wall of the elevator shaft or to a shaft door.
  • the transmitting unit 16 and the receiving unit 18 may be fixed to a shaft door and the test element 30 to the on zugskabine 4.
  • FIG. 4 shows elements of a light curtain unit 35 for monitoring a Kabi nenture and a shaft door comprehensive and not closed elevator door.
  • the light curtain unit 35 comprises a transmitting unit 16, a receiving unit 18, an ejection unit. 32 and signal connections 34, 37.
  • the receiving unit 18 comprises electronic-optical monitoring sensors for detecting the light emitted by the transmitting unit 16, wherein the light emitted by the transmitting unit 16 is based on infrared radiation.
  • the transmitting unit 16 is connected to the evaluation unit 32.
  • the second of the signal connections 37 the receiving unit 18 is connected to the evaluation unit 32.
  • the transmitter unit 16 emits an exemplary light beam 21 that is detectable by the receiver unit 18 in the absence of an obstacle in between.
  • Signal connections 34, 37 signals are transmitted to the evaluation unit 32, that is, by means of the evaluation unit 32 is intact components of the light curtain unit 35 recognizable that the light beam 32 was both emitted and received by the corresponding components of the light curtain unit 35.
  • the light beam 21 is interrupted when the test element 30 is temporarily arranged between the transmitter unit 16 and the receiver unit 18. Consequently, one of the evaluation unit 32 recognizable bare interruption of the light beam 21 is to be expected. This means that a signal transmitted by the receiving unit 18 to the evaluation unit 32 may only briefly indicate that the light beam 21 has not been detected. If such a brief change of the signal transmitted by the receiving unit 18 to the evaluation unit 32 does not occur, it would be assumed that the light curtain unit 35 is inoperable.
  • an evaluation of the signals transmitted by the transmitting unit 16 and the receiving unit 18 is possible to the effect that at a known position of the test element 30 in the elevator shaft 2, an actual interruption of the light beam 35 through the test element 30 with a expected interruption of the light beam 35 through the
  • Test element 30 is predictable.
  • the elevator installation can be designed in such a way that, if the positions of the briefly interrupted light beam 21 and the test element 30 coincide, the occurred or non-occurring short-term interruption of the corresponding signal must be included in an evaluation for the functionality.
  • the light curtain unit 35 is preferably safety relevant. If necessary, therefore, there may be a need to shut down the entire elevator system until the functional integrity of the light curtain unit 35 is restored.
  • a central office which is responsible for the service of the elevator installation, for the purpose of later restoration of full functionality by a service.
  • this is feasible in the case of an elevator installation with a transmission unit 16 and a reception unit 18, which have a vertical dimension which essentially corresponds to the height of the door opening.
  • a demgefflessen a plurality of light beams 21, which are sendable or receivable by the transmitting unit 16 and the receiving unit 18, a decommissioning of the elevator system in case of failure single Lich one or a few of the light beams is not necessary.
  • the non-fully functional light curtain unit 35 can be supported or functionally replaced by a comparable safety system.
  • the total number of light beams 21 can be interrupted by the test element 30.
  • an evaluation is made possible in order to be able to specify whether all of the light beams 21 are functional in accordance with the purpose of the light curtain unit or which of the light beams 21 are not detected by the receiving unit 18 or possibly not by the Transmitting unit 16 is sent out.

Landscapes

  • Elevator Door Apparatuses (AREA)

Abstract

L'invention concerne une installation d'ascenseur (1) comprenant une cage (2) d'ascenseur et une ouverture de porte (11, 13) et une unité d'émission (16) servant à envoyer au moins un rayon lumineux (21), et une unité de réception (18) servant à recevoir le rayon lumineux (21). L'unité d'émission (16) est disposée sur un premier côté de l'ouverture de porte (11, 13) et l'unité de réception (18) est disposée sur l'autre côté de l'ouverture de porte (11, 13). L'installation d'ascenseur comprend également un élément de test (30) servant à tester l'unité de réception et/ou servant à tester l'unité d'émission (16). Le rayon lumineux (21) entre l'unité d'émission et l'unité de réception (16, 18) peut être interrompu par l'élément de test (30). L'invention concerne également un procédé servant à tester une unité de réception (18) de ce type ou une unité d'émission (16) de ce type.
EP18815752.3A 2017-12-19 2018-12-17 Installation d'ascenseur dotée d'une unité de rideau lumineux Active EP3728096B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17208585 2017-12-19
PCT/EP2018/085160 WO2019121487A1 (fr) 2017-12-19 2018-12-17 Installation d'ascenseur comprenant une unité de rideau lumineux

Publications (2)

Publication Number Publication Date
EP3728096A1 true EP3728096A1 (fr) 2020-10-28
EP3728096B1 EP3728096B1 (fr) 2023-02-01

Family

ID=60674034

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18815752.3A Active EP3728096B1 (fr) 2017-12-19 2018-12-17 Installation d'ascenseur dotée d'une unité de rideau lumineux

Country Status (2)

Country Link
EP (1) EP3728096B1 (fr)
WO (1) WO2019121487A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112299174A (zh) * 2019-07-29 2021-02-02 上海三菱电梯有限公司 电梯轿厢出入口监测系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112158694B (zh) * 2020-09-18 2021-12-17 猫岐智能科技（上海）有限公司 电梯控制系统及电梯设备
CN115849144B (zh) * 2022-09-22 2024-04-26 杭州展特智能科技有限公司 用于货梯的货物识别与防撞控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06336387A (ja) * 1993-05-25 1994-12-06 Otis Elevator Co 光検出器の故障素子特定装置
US6157024A (en) * 1999-06-03 2000-12-05 Prospects, Corp. Method and apparatus for improving the performance of an aperture monitoring system
GB2526070A (en) 2014-05-02 2015-11-18 Ensota Ltd Method and testing apparatus for testing an optical sensor
GB2526069A (en) 2014-05-02 2015-11-18 Ensota Ltd A method of testing an optical sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112299174A (zh) * 2019-07-29 2021-02-02 上海三菱电梯有限公司 电梯轿厢出入口监测系统
CN112299174B (zh) * 2019-07-29 2022-04-12 上海三菱电梯有限公司 电梯轿厢出入口监测系统

Also Published As

Publication number Publication date
WO2019121487A1 (fr) 2019-06-27
EP3728096B1 (fr) 2023-02-01

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