EP3135620A1 - Aufzug - Google Patents

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Publication number
EP3135620A1
EP3135620A1 EP15182723.5A EP15182723A EP3135620A1 EP 3135620 A1 EP3135620 A1 EP 3135620A1 EP 15182723 A EP15182723 A EP 15182723A EP 3135620 A1 EP3135620 A1 EP 3135620A1
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EP
European Patent Office
Prior art keywords
elevator
pressure sensitive
hoistway
sensitive films
car
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
EP15182723.5A
Other languages
English (en)
French (fr)
Other versions
EP3135620B1 (de
Inventor
Petteri Valjus
Juha Helenius
Mikko Puranen
Petri Kere
Mika Juntunen
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.)
Kone Corp
Original Assignee
Kone Corp
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 Kone Corp filed Critical Kone Corp
Priority to EP15182723.5A priority Critical patent/EP3135620B1/de
Publication of EP3135620A1 publication Critical patent/EP3135620A1/de
Application granted granted Critical
Publication of EP3135620B1 publication Critical patent/EP3135620B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B66B5/0056—Safety of maintenance personnel by preventing crushing
    • B66B5/0062—Safety of maintenance personnel by preventing crushing by devices, being operable or not, mounted on the elevator car
    • 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
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B66B5/0056—Safety of maintenance personnel by preventing crushing

Definitions

  • the invention relates to an elevator, and more specifically to safety measures of an elevator.
  • the elevator is particularly an elevator suitable for transporting passengers and/or goods.
  • a safety space has been ensured physically.
  • a service person enters the hoistway space, he establishes a safe working space by specific mechanical or electromechanical equipment.
  • sufficient spaces are created by stoppers, e.g. telescopic buffers activatable to limit car movement such that that it cannot move up to the end of the hoistway.
  • the activatable safety equipment and the door lock of each doore have been provided with detectors to detect hoistway access. Should opening of door locks or activation of safety equipement be detected, the elevator is automatically prevented from carrying on the normal operation wherein the elevator control controls movement of the elevator car in response to call signals from passengers located inside the car and/or at landings. Thus, passengers cannot cause movement of the car, which would be dangerous for the service person while he is in the hoistway space.
  • the elevator has been provided with a reset function operable by the service person so that he can indicate the elevator control that the hoistway is empty of persons and that the elevator can be returned to normal operation mode. Accordingly, after the actual service operation has been completed, the system has to be dismantled and reset before normal operation is possible.
  • the object of the invention is to provide an elevator, which is improved in safety.
  • An objective is particularly to overcome one or more of the drawbacks of the existing solutions mentioned above and/or drawbacks mentioned or implied later in the description.
  • An objective is particularly to provide a reliable and safe solution for detecting persons in the hoistway and for reacting to detected presence in an appropriate manner.
  • An objective is further to provide a solution, which is simple and does not consume considerably hoistway space.
  • the elevator is configured to serve passengers by controlling movement of the elevator car in response to signals received from passengers, in particular signals from passengers located inside the car and/or at landings, said signals preferably being received via one or more user interfaces located inside the car and/or at landings.
  • the elevator further comprises a sensing means for sensing persons on top of the roof of the elevator car and/or on the floor of the hoistway.
  • the sensing means comprises one or more pressure sensors in the form of pressure sensitive films mounted on top of the roof of the elevator car and/or on the pit floor of the hoistway and configured to sense pressure exerted thereon, and the elevator is configured to prevent said serving of passengers if persons are sensed by the sensing means on top of the roof of the elevator car and/or on the floor of the hoistway and in particular if pressure is exerted on one or more of the one or more pressure sensitive films.
  • the achieved solution can operate reliably independently of car position or conditions in the hoistway.
  • the detection is based on direct feeling of the weight of a person present in the hoistway, whereby it can obtain a very reliable detection.
  • the elevator registers this immediately.
  • the elevator is able to detect whether the relevant hoistway positions are occupied or not without any signal or other input from humans.
  • the elevator's independency on observations of the service person are improved.
  • Preferable further features are introduced in the following, which further features can be combined with the elevator individually or in any combination.
  • said one or more pressure sensitive films are mounted to cover upper surfaces of the top of the roof of the elevator car and/or of the pit floor of the hoistway.
  • said one or more the pressure sensitive films are mounted such they have upper surfaces upon which a person can stand.
  • said one or more pressure sensitive films mounted on top of the roof of the elevator car are mounted to cover at least majority (i.e. at least 50 %) of the total upper surface area of the top of the roof of the elevator car and/or to cover at least majority (i.e. at least 50 %) of the total upper surface area of the pit floor of the hoistway.
  • a considerable area of the roof top/pit floor is covered by the film(s), and the reliability of sensing of persons is facilitated.
  • the one or more pressure sensitive films comprises plurality of pressure sensitive films mounted on top of the roof of the elevator car and/or plurality of pressure sensitive films mounted on the pit floor of the hoistway.
  • the top of the roof and/or the top of the pit floor can be provided with film coverage even though it is heavily uneven.
  • the position of the films can optimally conformed according to objects shapes.
  • the films can furthermore be spaced apart such that gaps are formed between them, whereby material can be saved. In this case, the gaps are to be only small so that no safety risks result.
  • the gaps are preferably 0-25 cm wide.
  • the gaps are however within 0,5-5 cm in width, more preferably within 0,5-2 cm in width, whereby a normal shoe will produce on one or both of the films the pressure required for pressure detection even though the step is placed at the point of a gap.
  • the one or more pressure sensitive films comprises plurality of pressure sensitive films mounted on top of the roof of the elevator car and/or plurality of pressure sensitive films mounted on the pit floor of the hoistway
  • the elevator comprises one or more objects each forming an upwards extending protrusion on the top of the roof of the elevator car or on the pit floor of the hoistway, and at least one of said objects is positioned between two adjacent pressure sensitive films.
  • Said objects preferably include one or more of the following: a rope fixing means, a buffer, a beam or a ventilation box.
  • the one or more pressure sensitive films comprises plurality of pressure sensitive films mounted on top of the roof of the elevator car and/or plurality of pressure sensitive films mounted on the pit floor of the hoistway
  • the elevator comprises one or more objects each forming an upwards extending protrusion on the top of the roof of the elevator car or on the pit floor of the hoistway
  • the plurality of pressure sensitive films comprises a first pressure sensitive film placed on a first level to cover a first upper surface of the top of the roof of the elevator car and/or of the pit floor of the hoistway, and a second pressure sensitive film placed on a second higher level to cover a second upper surface of the top of the roof of the elevator car and/or of the pit floor of the hoistway, said second upper surface being a upper surface of the object.
  • Said objects preferably include one or more of the following: a rope fixing means, a buffer, a beam or a ventilation box.
  • one or more of the one or more pressure sensitive films is in the form of an adhesive tape, having an adhesive side fixed on the surface against which the film is mounted.
  • the film in the form of an adhesive tape is then elongated.
  • the adhesive tape can prior its mounting be stored with a cover sheet covering the adhesive side of the film.
  • each film has been mounted by removing a cover sheet from the adhesive side of the film so as to reveal the adhesive side, and thereafter placing the adhesive side against the surface where the film is to be mounted.
  • the one or more pressure sensitive films are flexible.
  • the one or more pressure sensitive films have been mounted by spreading them wide, in particular to cover upper surfaces of top of the roof of the elevator car and/or upper surfaces of the pit floor of the hoistway.
  • one or more pressure sensitive films mounted on top of the roof of the elevator car and/or on the pit floor of the hoistway and configured to sense pressure exerted thereon at least in vertical direction.
  • the elevator is an elevator having at least a first mode which is a normal operation mode wherein the elevator control is configured to control movement of the elevator car in response to (call) signals received from passengers, in particular signals received from passengers located inside the car and/or at landings, said signals being received via one or more user interfaces located inside the car and/or at landings; and a second mode wherein the elevator control is configured not to control movement of the elevator car in response to signals received from passengers; in particular signals received from passengers located inside the car and/or at landings, said signals being received via one or more user interfaces located inside the car and/or at landings; and the elevator control is configured to change the elevator mode from said first mode to the second mode in response to receiving from said sensing means a predetermined trigger signal, in particular a signal indicating that pressure has been exerted on one or more of the pressure sensitive films.
  • a predetermined trigger signal in particular a signal indicating that pressure has been exerted on one or more of the pressure sensitive films.
  • the elevator comprises user interfaces located inside the car and/or at landings, such as button panels and/or touch screens, arranged to receive a signal from the passenger (user).
  • the pressure sensitive film is a flexible multilayer film.
  • the components of the pressure sensitive film may form a sandwich -structure of components laminated together.
  • the pressure sensitive film comprises a first electrode layer, a second electrode layer, and at least one intermediate layer between the first electrode layer and the second electrode layer.
  • the intermediate layer preferably isolates the first electrode layer and the second electrode layer from each other.
  • the one or more monitoring units are configured to monitor changes in one or more electrical property of the pressure sensitive films.
  • the one or more monitoring units are connected with one or more electrodes of the pressure sensitive films.
  • the pressure sensitive film is a piezoelectric film.
  • the intermediate layer comprises piezoelectric material.
  • the pressure sensitive film comprises a protective layer forming the upper surface of the pressure sensitive film.
  • Said protective layer is preferably a coating made of polymer material, such as polyimide.
  • the pressure sensitive film preferably further comprises a protective layer forming the lower surface of the pressure sensitive film.
  • Said protective layer is preferably a coating made of polymer material, such as polyimide.
  • the pressure sensitive film is mounted immovably, preferably by adhesive substance, such as glue. Then the protective layer forming the lower surface of the pressure sensitive film is glued on the upper surface(s) of the top of the roof of the elevator car and/or of the pit floor of the hoistway.
  • the elevator comprises a one or more monitoring units connected with the one or more pressure sensitive films and configured to trigger one or more actions for preventing said serving of passengers in response to receiving a signal from one or more pressure sensitive films indicating that pressure is exerted on one or more of the one or more pressure sensitive films.
  • said triggering includes sending to the elevator control a predetermined trigger signal, in particular a signal indicating that pressure has been exerted on the pressure sensitive film.
  • said one or more actions include breaking the safety circuit of the elevator and/or changing the elevator mode.
  • the elevator in particular the elevator control, comprises a safety circuit breaking of which is arranged to cause activation of mechanical brake(s) for stopping movement of the elevator car and/or interruption of supply of electricity to elevator motor, and pressure sensed by one or more of the pressure sensitive films is arranged to trigger breaking the safety circuit.
  • the elevator comprises a drive machinery, the drive machinery comprising a motor for moving the car and a mechanical brakes (machine brakes) for braking car movement the mechanical brakes being configured to act on a drive wheel or a component fixed thereto when activated.
  • the drive machinery comprising a motor for moving the car and a mechanical brakes (machine brakes) for braking car movement the mechanical brakes being configured to act on a drive wheel or a component fixed thereto when activated.
  • the second mode is a service mode wherein the elevator is configured not to control movement of the elevator car in response to (call) signals received from passengers; but wherein the car can be driven by a service person.
  • the elevator comprises a service drive panel, and comprising operating means manually operable to drive the car when the elevator is in said service mode.
  • the service drive panel is preferably located on top of the car.
  • the elevator comprises a drive machinery, the drive machinery comprising a motor for moving the car, and said operating means comprises a first button, upon actuation of which the motor is arranged to move the elevator car upwards as long as the button is actuated, and a second button upon actuation of which the motor is arranged to move the elevator car downwards as long as the button is actuated.
  • the motor in the second mode, is arranged to be manually controllable with said manual operating means to move the elevator car a manually controllable distance upwards or downwards.
  • said operating means are in the form of push buttons.
  • the elevator is preferably such that the car thereof can be stopped at two or more landings.
  • the car has an interior space suitable for receiving a passenger or passengers, and the car can be provided with a door for forming a closed interior space.
  • FIG. 1 illustrates a preferred embodiment of an elevator.
  • the elevator comprises a hoistway H and an elevator car 1 vertically moveable in the hoistway H.
  • the elevator further comprises an elevator control 100 for controlling movement of the elevator car 1.
  • the elevator control is additionally responsible for several other functions of the elevator, such as one or more safety functions.
  • the elevator comprises a plurality of landings L0-Ln.
  • the car 1 of the elevator can be stopped at two or more landings L0-Ln .
  • the elevator is configured to serve passengers by controlling movement of the elevator car 1 in response to signals, also known as elevator calls, received from passengers, in particular signals from passengers located inside the car 1 and/or at landings L0-Ln.
  • Said signals are arranged to be received via one or more user interfaces 10,11 located inside the car 1 and/or at landings L0-Ln.
  • the elevator further comprises landing doors d leading to the hoistway H from said landings L0-Ln.
  • the landing doors d are preferably lockable and when the car 1 is not parked at the landing L0-Ln in question openable to access the hoistway H only by opening its lock.
  • the elevator in particular the elevator control 100, comprises a sensing means for sensing persons on top of the roof of the elevator car 1 and/or on the floor of the hoistway H.
  • the sensing means comprises one or more pressure sensors, mounted on top of the roof of the elevator car 1 and/or on the pit floor of the hoistway H.
  • the pressure sensors are sensitive films 3a,3b.
  • the advantage of using pressure sensitive film(s) is their very thin form, as well as their ability to cover large areas.
  • the sensing means comprises pressure sensitive films 3a,3b mounted both on top of the roof of the elevator car 1 and on the pit floor of the hoistway H.
  • the pressure sensitive films 3a,3b are configured to sense pressure exerted thereon, particularly in vertical direction.
  • the elevator in particular the elevator control, is further configured to prevent said serving of passengers if persons are sensed by the sensing means on top of the roof of the elevator car 1 and/or on the floor of the hoistway H, and in particular if pressure is exerted on one or more of the one or more pressure sensitive films 3a,3b.
  • Said pressure sensitive films 3a,3b are mounted to cover upper surfaces of the top of the roof of the elevator car 1 and the pit floor of the hoistway H.
  • Said upper surfaces include at least horizontal surfaces of the roof of the elevator car 1 and of the pit floor as illustrated in Figure 1 .
  • Each pressure sensitive film 3a,3b is mounted in this case such that it has a planar upper surface upon which a person can stand. Thereby, each film 3a,3b forms a coat for the upper surface it covers, upon which a person can stand.
  • the elevator comprises a one or more monitoring units 4a,4b connected with the one or more pressure sensitive films 3a,3b and configured to trigger one or more actions for preventing said serving of passengers in response to receiving a signal from one or more pressure sensitive films 3a,3b, which signal indicates that pressure is exerted on one or more of the one or more pressure sensitive films 3a,3b.
  • This signal from the film 3a,3b can be in any form of signal suitable for being interpreted by a monitoring unit 4a,4b to mean that pressure is exerted on a pressure sensitive film.
  • the connections between the monitoring units 4a,4b and the one or more pressure sensitive films 3a,3b can be wired or wireless connections.
  • Wireless connection saves wiring and is preferred particularly in case the number of pressure sensitive films 3a,3b is great or the monitoring units 4a,4b need to be positioned apart from the films.
  • FIGs 2-4 illustrated different preferred details for the layout of the one or more pressure sensitive films. Each of these Figures illustrates how the film(s) can be mounted on top of the roof of the elevator car 1 and/or on the pit floor of the hoistway H.
  • the one or more pressure sensitive films 3a,3b comprises plurality of pressure sensitive films 3a,3b mounted on top of the roof of the elevator car 1 or on top of the pit floor of the hoistway H.
  • This embodiment is advantageous when the top surface upon which the film(s) are to be mounted is not planar.
  • Said objects O preferably include one or more of the following: a rope fixing means, a buffer, a beam or a ventilation box.
  • each film of said plurality of films is connected separately with the monitoring units 4a,4b, however, this is not necessary as alternatively a common connection line could be used instead.
  • the one or more pressure sensitive films 3a,3b comprises plurality of pressure sensitive films 3a,3b mounted on top of the roof of the elevator car 1 or on top of the pit floor of the hoistway H.
  • the plurality of pressure sensitive films 3a,3b comprises a first pressure sensitive film 3a,3b placed on a first vertical level a to cover a first upper surface of the top of the roof of the elevator car 1 and/or of the pit floor of the hoistway H, and a second pressure sensitive film 3a,3b placed on a second, higher, vertical level b to cover a second upper surface of the top of the roof of the elevator car 1 and/or of the pit floor of the hoistway H, said second upper surface being a upper surface of the object O.
  • Said objects O preferably include one or more of the following: a rope fixing means, a buffer, a beam or a ventilation box.
  • each film of said plurality of films is connected separately with the monitoring units 4a,4b, however, this is not necessary as alternatively a common connection line could be used instead.
  • the elevator is preferably elevator having at least a first mode which is a 'normal operation mode' wherein the elevator control 100 is configured to control movement of the elevator car 1 in response to (call) signals received from passengers, in particular signals from passengers located inside the car 1 and/or at landings L0-Ln, said signals being received via one or more user interfaces 11 located inside the car 1 and/or via one or more user interfaces 10 at landings L0-Ln.
  • the elevator is configured to serve passengers in particular in an automatic manner by controlling movement of the elevator car 1 in response to signals from passengers, such that the elevator car 2 is moved automatically from one landing Lo to another Ln.
  • the elevator furthermore preferably has at least a second mode wherein the elevator control 100 is configured not to control movement of the elevator car 1 in response to (call) signals of the aforementioned kind received from passengers.
  • the elevator control 100 is configured to change the elevator mode from said first mode to the second mode in response to receiving from said sensing means a predetermined trigger signal, in particular a signal indicating that pressure has been exerted on one or more of pressure sensitive films 3a,3b.
  • the second mode is preferably a service mode wherein the elevator is configured not to control movement of the elevator car 1 in response to (call) signals received from passengers; but wherein the car 1 can be driven, particularly manually, by a service person.
  • the elevator comprises a service drive panel 20 accessible by a service person only (not by passengers), and comprising operating means a, b manually operable to drive the car 1 when the elevator is in said service mode.
  • the service drive panel 20 is illustrated in Figure 8 .
  • the service drive panel 20 is preferably located on top of the car 1.
  • the elevator comprises a drive machinery M, the drive machinery comprising a motor 101 for moving the car 1.
  • Said operating means a,b comprises a first button a, upon actuation of which the motor 101 is arranged to move the elevator car 1 upwards as long as the button is actuated, and a second button upon actuation of which the motor 101 is arranged to move the elevator car 1 downwards as long as the button is actuated.
  • the motor 101 is arranged to be manually controllable with said manual operating means to move the elevator car a manually controllable distance upwards or downwards.
  • the operating panel is usable for moving the car into position optimal for servicing the car or the hoistway components, i.e. also between consecutive landings when needed.
  • said operating means are in the form of push buttons.
  • the interfaces 10,11 for passengers are located inside the car and/or at landings, and they are preferably in the form of button panels and/or touch screens, and arranged to receive a signal from the passenger.
  • the elevator control 100 is in Figure 1 illustrated as a single unit, however, its functions could be distributed for several units.
  • a processing unit such as a unit comprising one or more microprocessors
  • an electric drive unit for driving the motor 101 of the elevator.
  • the drive unit is preferably in the form of a frequency converter.
  • the one or more monitoring units 4a,4b can be connected to the elevator control 100, for example to the processing unit and/or to a safety circuit thereof.
  • the elevator comprises one or more monitoring units 4a,4b connected with the one or more pressure sensitive films 3a,3b and configured to trigger one or more actions for preventing said serving of passengers in response to receiving a signal indicating that pressure is exerted on one or more of the one or more pressure sensitive films 3a,3b.
  • Said one or more actions preferably include breaking the safety circuit S of the elevator and/or changing the elevator mode.
  • This is preferably implemented such that said triggering includes sending to the elevator control 100 a predetermined trigger signal, in particular a signal indicating that pressure has been exerted on the pressure sensitive film.
  • a trigger signal can be sent directly to a processing unit comprised in the elevator control 100 so as to trigger mode change of the elevator.
  • a trigger signal can be sent to operating means of a safety switch S1 of a safety circuit S of the elevator to break the safety circuit S.
  • Figure 7 illustrates an embodiment where said one or more actions preferably include breaking the safety circuit S of the elevator.
  • the elevator control 100 comprises a safety circuit S, breaking of which is arranged to cause activation of mechanical brake(s) for stopping movement of the elevator car and/or interruption supply of electricity to elevator motor, and pressure sensed by one or more of the pressure sensitive films is arranged to trigger breaking the safety circuit S of the elevator.
  • the elevator comprises a drive machinery M, the drive machinery comprising a motor 101 for moving the car 1 and furthermore mechanical brakes (e.g. machine brakes) for braking car movement the mechanical brakes being configured to act on a drive wheel 102 or a component fixed thereto when activated.
  • mechanical brakes e.g. machine brakes
  • the safety circuit S can provide electricity for a contactor 60 keeping switches 61 of electrical supply lines to motor 101 and/or brakes closed.
  • the one or more monitoring units 4a,4b can be configured to send the trigger signal to a relay r operating a safety switch S1 of the safety circuit S of the elevator, for instance, such that it opens the safety switch S1, when pressure is detected.
  • the safety circuit S is under voltage and the breaking thereof is arranged to cause the contactor 60 to release said switches to opened state and thereby to break the supply of electricity via these electrical supply lines.
  • each said pressure sensitive film 3a,3b is flexible. It is mounted by spreading it wide on top of the roof of the elevator car 1 and/or on the pit floor of the hoistway H.
  • the pressure sensitive film 3a,3b is a flexible multilayer film.
  • the layers of the pressure sensitive film may form a sandwich -structure of components laminated together.
  • Figure 6 illustrates preferred details for the structure of a pressure sensitive film 3a,3b.
  • the pressure sensitive film 3a,3b comprises a first electrode layer 201, a second electrode layer 202, and a intermediate layer 203 between the first electrode layer 201 and the second electrode layer 202 isolating these from each other.
  • the one or more monitoring units 4a,4b are connected, e.g. by electric wire(s) or in a wireless manner with one or more electrodes of the pressure sensitive films 3a,3b, and configured to monitor changes in one or more electrical properties of the pressure sensitive films 3a,3b. Should pressure be exerted on the pressure sensitive film 3a,3b, the layers 201-205 of the pressure sensitive film 3a,3b are compressed, and the electric properties of the layer structure change in a detectable manner.
  • the pressure sensitive film 3a,3b is a piezoelectric film.
  • the intermediate layer is made to comprises piezoelectric material whereby an electric charge is produced in the piezoelectric material, which can be detected by the one or more monitoring unit 4a,4b configured to monitor changes in one or more electrical property of the pressure sensitive film 3a,3b in question.
  • the change in the electrical property is then interpreted by the one or more monitoring units 4a,4b as a signal indicating that pressure is exerted on one or more of the one or more pressure sensitive films 3a,3b.
  • the layers 201-203 can each be a platelike flexible layer. However, one or more of the layers 201-203 could alternatively be a layer formed by a mat of fiberlike material, For example, layer 202 could be a piezoceramic fiber layer.
  • the pressure sensitive film 3a,3b preferably further comprises a protective layer 204 forming the upper surface of the pressure sensitive film 3a,3b.
  • the protective layer protects the other layers from abrasion or exposure to chemicals that might harm the other layers.
  • Said protective layer is preferably a coating made of polymer material, such as of polyimide, which has been found to be well suitable for protecting the other layers.
  • the pressure sensitive film 3a,3b preferably further comprises a protective layer 205 forming the lower surface of the pressure sensitive film 3a,3b.
  • the protective layer protects the other layers from abrasion or exposure to chemicals that might harm the other layers.
  • the pressure sensitive film 3a,3b can be fixed via the protective layer 205 forming the lower surface of the pressure sensitive film 3a,3b without harming the other layers.
  • Said protective layer is preferably a coating made of polymer material, such as of polyimide, which has been found to be well suitable for protecting the other layers.
  • Pressure sensitive films are available commercially. Few commercial examples are TekScan Flexi Force® Sensors, UneoTM Micro-Deformable Piezoresistive Sensors, and Emfit Film.
  • the elevator comprises a drive machinery M comprising a motor 101 for moving the car 1.
  • the motor 101 is preferably connected mechanically to the car 1 such that its rotation is transformed into movement of the car 1.
  • the elevator further comprises a roping R interconnecting the car 2 and a counterweight 5 also arranged to travel in the hoistway H.
  • the elevator comprises a drive wheel 102 rotatable by the motor 101, and the drive wheel engages the roping R, whereby movement of the car 2 can be controlled by controlling rotation of the motor 101.
  • the pressure sensitive films 3a,3b are configured to sense pressure exerted thereon, particularly in vertical direction.
  • the pressure sensitive films 3a,3b can additionally or even alternatively be configured to sense pressure exerted thereon in horizontal direction, whereby the films could sense touches of person in horizontal direction.
  • the fixing by adhesive substance can be implemented by gluing but alternatively by making the film an adhesive tape.
  • the film is then in the form of an adhesive tape, having an adhesive side fixed on the surface against which the film is mounted.
  • the film is then elongated.
  • the adhesive tape can prior its mounting be stored with a cover sheet covering the adhesive side of the film. In this case, each film has been mounted by removing a cover sheet from the adhesive side of the film so as to reveal the adhesive side, and thereafter placing the adhesive side against the surface where the film is to be mounted.

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  • Elevator Control (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
EP15182723.5A 2015-08-27 2015-08-27 Aufzug Active EP3135620B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15182723.5A EP3135620B1 (de) 2015-08-27 2015-08-27 Aufzug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15182723.5A EP3135620B1 (de) 2015-08-27 2015-08-27 Aufzug

Publications (2)

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EP3135620A1 true EP3135620A1 (de) 2017-03-01
EP3135620B1 EP3135620B1 (de) 2021-11-24

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439115A (zh) * 2018-04-18 2018-08-24 广州广日电梯工业有限公司 一种无机房电梯智能安全检修系统及其控制方法
JP2019210089A (ja) * 2018-06-04 2019-12-12 東芝エレベータ株式会社 エレベータの点検システム
CN114516572A (zh) * 2022-02-28 2022-05-20 安徽迅立达电梯有限公司 一种无底坑式电梯节能管理系统
US11465880B2 (en) 2017-07-03 2022-10-11 Otis Elevator Company Elevator maintenance space projection systems
EP4345043A1 (de) * 2022-09-30 2024-04-03 Otis Elevator Company Sicherheitssystem für aufzug

Citations (2)

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Publication number Priority date Publication date Assignee Title
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WO2015110696A1 (en) * 2014-01-21 2015-07-30 Kone Corporation Elevator provided with a safety device arrangement

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DE10108772A1 (de) * 2001-02-23 2002-11-21 Otis Elevator Co Aufzugssicherheitseinrichtung

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EP1773704A1 (de) * 2004-05-05 2007-04-18 Otis Elevator Company Sicherheitsvorrichtung für bedienerschutz in aufzügen mit niedrigem schachtunterteil und damit ausgestatteter aufzug
WO2015110696A1 (en) * 2014-01-21 2015-07-30 Kone Corporation Elevator provided with a safety device arrangement

Cited By (6)

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US11465880B2 (en) 2017-07-03 2022-10-11 Otis Elevator Company Elevator maintenance space projection systems
CN108439115A (zh) * 2018-04-18 2018-08-24 广州广日电梯工业有限公司 一种无机房电梯智能安全检修系统及其控制方法
CN108439115B (zh) * 2018-04-18 2024-03-26 广州广日电梯工业有限公司 一种无机房电梯智能安全检修系统及其控制方法
JP2019210089A (ja) * 2018-06-04 2019-12-12 東芝エレベータ株式会社 エレベータの点検システム
CN114516572A (zh) * 2022-02-28 2022-05-20 安徽迅立达电梯有限公司 一种无底坑式电梯节能管理系统
EP4345043A1 (de) * 2022-09-30 2024-04-03 Otis Elevator Company Sicherheitssystem für aufzug

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