WO2021116438A1 - Système d'ascenseur sans câble à transmission sans fil en temps réel de données de détection d'un capteur de position - Google Patents

Système d'ascenseur sans câble à transmission sans fil en temps réel de données de détection d'un capteur de position Download PDF

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Publication number
WO2021116438A1
WO2021116438A1 PCT/EP2020/085814 EP2020085814W WO2021116438A1 WO 2021116438 A1 WO2021116438 A1 WO 2021116438A1 EP 2020085814 W EP2020085814 W EP 2020085814W WO 2021116438 A1 WO2021116438 A1 WO 2021116438A1
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WO
WIPO (PCT)
Prior art keywords
elevator
signal
elevator car
sensor
linear drive
Prior art date
Application number
PCT/EP2020/085814
Other languages
German (de)
English (en)
Inventor
Erhard LAMPERSBERGER
Jürgen FRANTZHELD
Janos JUNG
Original Assignee
Thyssenkrupp Elevator Ag
Thyssenkrupp 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 Thyssenkrupp Elevator Ag, Thyssenkrupp Ag filed Critical Thyssenkrupp Elevator Ag
Priority to EP20829559.2A priority Critical patent/EP3983327A1/fr
Publication of WO2021116438A1 publication Critical patent/WO2021116438A1/fr

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Classifications

    • 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
    • B66B1/3415—Control system configuration and the data transmission or communication within the control system
    • B66B1/3446—Data transmission or communication within the control system
    • B66B1/3453—Procedure or protocol for the data transmission or communication
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/0407—Driving gear ; Details thereof, e.g. seals actuated by an electrical linear motor
    • 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
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/003—Kinds or types of lifts in, or associated with, buildings or other structures for lateral transfer of car or frame, e.g. between vertical hoistways or to/from a parking position

Definitions

  • the invention relates to a rope-free elevator system, in particular to a so-called MULTI TM elevator system with a linear drive known from the field of magnetic levitation technology or Transrapid TM technology.
  • the invention relates to a communication device that can be used in such an elevator installation for the wireless transmission of sensor signals between an elevator car and a drive control.
  • the object of the present invention consists in specifying a communication concept for wireless and yet as reliable as possible communication between an elevator car and the drive system of a rope-less elevator installation concerned here in order to meet the safety requirements mentioned.
  • the invention proposes a communication device and a method for wireless data transmission for the fastest possible and yet reliable and reliable transmission of sensor signals generated in an elevator car by a sensor unit, in particular by a position sensor, to a drive control system of a ropeless elevator installation concerned here.
  • the position information must be transmitted from a moving elevator car or a corresponding elevator car to motor or drive control elements arranged in an elevator shaft, e.g. to inverters in the case of a magnetic drive system mentioned, with the minimum possible time delay so that this control-relevant information for controlling the movements of the Elevator car can be transmitted with a relatively high bandwidth.
  • the communication device preferably has one / more transmitter unit (s) and one / more receiver unit (s).
  • the communication device for wireless optical transmission can particularly preferably have photo emitters as transmitter unit (s) and photodiode (s) as receiver unit (s).
  • the proposed communication concept has little or no latency or dead times.
  • the sensor or position information is encoded using a relatively simply structured communication protocol which enables the digital transmission of a clock signal and a data signal using only a single transmission channel.
  • a relatively simply structured communication protocol which enables the digital transmission of a clock signal and a data signal using only a single transmission channel.
  • -Technique known communication method can be used, which represents a special variant of a so-called "line code”.
  • clock and data can be modulated together in the most varied of ways, for example by means of pulse width modulation.
  • the sensor unit and the drive control system are equal participants in a respective communication channel in this communication protocol are.
  • the binary data stream generated in this way is modulated onto an optical or inductive carrier signal which is transmitted wirelessly from the elevator car to the aforementioned drive control elements which are fixedly arranged in the elevator shaft.
  • a wireless, inductive transmission is preferably used, the binary data being particularly preferably transmitted as amplitude modulation on the carrier signal of the inductive coupling of the transmitter and receiver units.
  • the wireless transmission of the data can advantageously take place from one transmitter unit to several receiver units, with the respective communication participants (i.e. transmitter and receiver units) advantageously not having to be synchronized in their processing or computing clock.
  • the active part of the sensor system on the elevator car of the elevator system and the required measuring scale are arranged as a passive component on the elevator shaft.
  • This arrangement allows cost savings compared to an arrangement with a fixed, active sensor head. In this case, however, it is necessary for the position data to be transmitted from the elevator car to the drive control arranged in the elevator shaft, for example to the inverters mentioned, with a minimal delay.
  • the proposed communication device or the communication protocol used can also be used for safe and fast (torque or force) disconnection of a motor drive or for the mentioned, correspondingly fast STO communication in order to transfer corresponding control commands safely and as quickly as possible from an elevator car to transmit ropeless elevator system to one or more components arranged in an elevator shaft.
  • This also enables a direct or fast and functionally / operationally safe transmission of the especially named STO control commands from an elevator car of a MULTI system to respective drive control units or control elements arranged on a carriage provided in the elevator shaft.
  • a ropeless elevator system preferably affected here comprises a linear drive which has a plurality of linear motors arranged along a running rail, the linear motors interacting with a magnet unit.
  • a traveling magnetic field generated with the multiplicity of linear motors correlates with a magnetic field of the magnet unit, in particular with an essentially static magnetic field, and thus drives the elevator car.
  • the linear drive also has a control unit which is designed to control the plurality of linear motors as a function of the first sensor signal in order to set a parameter, in particular an amplitude and / or a frequency and / or a phase position, of the traveling magnetic field.
  • rope-free elevator systems includes both the MULTI TM systems mentioned by the applicant and well-known hydraulically operated elevators.
  • a named sensor unit can be designed to send a first sensor signal with information about the position of the elevator car to the linear drive at a first point in time (tl) and at a second point in time (t2) to receive first sensor signal each with information about the position of the elevator car.
  • the current position of the elevator car is estimated based on the information about the position of the elevator car at the first point in time (t1) and at the second point in time (t2).
  • the linear drive is also designed to move the elevator car accordingly as a function of the estimated position.
  • a first and at least one second sensor unit are provided, which are designed that the first sensor unit at a first point in time (t1) and at a second point in time (t2) a first sensor signal each with information about the Sends position of the elevator car to a first and a second linear motor controller.
  • the second sensor unit is designed to send a second sensor signal with information about the position of the elevator car to the first linear motor controller at a first point in time (tl) and at a second point in time (t2) and the first sensor signal with information about the Obtain position of the elevator car.
  • the current position of the elevator car is estimated based on the information about the position of the elevator car at the first point in time (t1) and at the second point in time (t2).
  • the first linear motor control is designed to receive the first and / or the second sensor signal each with information about the position of the elevator car and, at a third point in time (t3), the current position of the elevator car, based on the information about the position of the elevator car at first time (tl) and at the second time (t2) to estimate from the first and / or the second sensor signal.
  • the first and the second linear motor controller are designed to control the corresponding linear motors based on the position thus estimated.
  • both the transmission of said STO control commands and the transmission of sensor data according to the proposed method and device take place wirelessly, for example by optical or inductive transmission, a basic signal being modulated onto a carrier signal in each case.
  • a communication method that is as easy to implement as possible is used for the STO control commands, which can be implemented with technically simple, discrete components and does not require any dedicated control software. In order to achieve the required SIL level, this process is operated with the lowest possible frequencies.
  • a more complex method is suitable, for example a corresponding line code with synchronization, in order to transfer this data to transmit with as little delay as possible with high bandwidth and high quality.
  • Hardware-related software for example a “Field Programmable Gate Array” (FPGA), is preferably used, by means of which a logic circuit can be loaded into an integrated circuit (IC).
  • FPGA Field Programmable Gate Array
  • FIG. 1 shows a schematic representation of an elevator installation concerned here with a position sensor arranged on an elevator car, specifically in a perspective representation;
  • FIG. 2 shows a schematic representation of a drive system of an elevator installation shown in FIG. 1, specifically in the form of a block diagram;
  • FIG. 3 shows a further schematic illustration of a MULTI TM elevator installation included therein in a perspective illustration; 4 shows a schematic representation of functional components of a sensor or communication system, according to an exemplary embodiment of the invention;
  • 5a, b show a schematic representation of functional components of a transmitter a and a receiver b of a sensor or communication system with an optical transmission channel, according to an exemplary embodiment of the invention.
  • the elevator system 100 comprises at least one running rail 102, at least one elevator car (or elevator car) 110, a linear drive 10 and a first sensor unit 12a of a sensor device for transmitting or communicating sensor data.
  • the first sensor unit 12a is a position sensor which is arranged on the elevator car and which meets the high requirements for the accuracy of the position measurement of the elevator car of a rope-free elevator system 100 for drive control.
  • the running rail 102 is arranged in a shaft 120.
  • the elevator car 110 has a chassis 112, also called a carriage.
  • the elevator system can include not just one but a plurality of elevator cars 110, which then each have a chassis 112 or a carriage.
  • the chassis 112 can be moved along the running rail 102 in a direction of travel F, the linear drive 10 taking over the movement of the elevator car 110.
  • the first sensor unit 12a sends a first sensor signal 14a via a first communication channel to the linear drive 10, for example at predetermined sensor sampling times.
  • the first sensor signal 14a includes information about the position of the elevator car 110.
  • the linear drive receives the first sensor signal and stores it at least temporarily.
  • the linear drive 10 can then move the elevator car 110 as a function of the first sensor signal 14a by a motor controller (not shown) of the linear drive 10 regulating the position of the elevator car 110.
  • the storage of the sensor signal 14a in the linear drive can take place, for example, until the linear drive 10 has readjusted itself, ie has determined a new controlled variable.
  • FIG. 2 shows a schematic block diagram of the elevator installation 100, the linear drive 10 being shown in greater detail. This has a plurality of linear motors 16 and respectively associated control units 20, each linear motor 16a,
  • a linear motor 16 can have a coil set with, for example, three coils, which have a current flow shifted by essentially 360 ° / “number of coils”.
  • the linear motor controls 20a, 20a ', 20a ", 20b, 20b', 20b” send the corresponding control signal 24a, 24a ', 24a ", 24b, 24b', 24b", for example the respective controlled variable, for controlling the linear motors 16 to the corresponding one Linear motor 16a, 16a ', 16a ", 16b, 16b', 16b".
  • the elevator car 110 is driven by a (traveling) magnetic field generated by the linear motors 16, which interacts with a magnetic field of a magnet unit 22 arranged on the elevator car.
  • the magnet unit 22 has, for example, one or more permanent magnets, which are arranged with alternating polarity on the magnet unit 22, so that the magnet unit generates a magnetic field that alternates (spatially) in terms of polarity but is constant over time.
  • the magnet unit, and thus the elevator car 110, is moved by the moving magnetic field of the linear drive.
  • the linear motor controls 20a, 20a ', 20a each receive the first sensor signal 14a from the first sensor unit 12a and a second sensor signal 14b from a second sensor unit 12b.
  • the linear motor controls 20b, 20b', 20b" each receive the second sensor signal 14b and optionally a third Sensor signal 14c from a third sensor unit 12c.
  • the linear motor 16a forms a first subset of the plurality of linear motors 16.
  • FIG. 2 shows a distributed sensor system in which the respective sensors are arranged in the shaft and a measuring scale assigned to the sensors is arranged on the elevator car. It should be emphasized here that the present invention relates, however, to fast data transmission, which in particular presupposes that the sensor system can also be designed in such a way that the respective sensors are arranged on the elevator car and the measuring scale is arranged in the shaft.
  • the first sensor unit 12a is spatially located between the first subset of linear motors and the second subset of linear motors. Accordingly, at least part of the linear motor 16a is located between the first sensor unit 12a and the second sensor unit 12b.
  • the linear motor 16b is thus located on a side of the first sensor unit 12a facing away from the second sensor unit 16b or on a side facing the third sensor unit 12c.
  • only those linear motors or those linear motor controls require the sensor signal of a sensor unit which can influence the position of an elevator car or move the elevator car at the time of the measurement of a sensor signal.
  • the sensor units 12 can also be arranged in the shaft along the running rail in such a way that they have a spacing which corresponds to the height of the elevator car or is less by a few percent.
  • FIG. 3 shows parts of a MULTI TM elevator system 100 preferably concerned here, in which a multiplicity of sensor units 12a-12g is used.
  • the elevator installation 100 comprises a plurality of running rails 102, along which several elevator cars 110 can be guided, for example by means of a rucksack storage system.
  • backpack mounting is implemented by means of mounting elements (e.g. angle pieces) driven by means of the running rail 102, on which the respective elevator car is mounted in a mechanically damped manner.
  • a vertical running rail 102V is oriented vertically in a first direction and enables the guided elevator car 110 to be moved between different floors.
  • a plurality of vertical running rails 102V are arranged in adjacent shafts 120 in this vertical direction.
  • the running rails can also be referred to as guide rails.
  • a horizontal running rail 102H is arranged between the two vertical running rails 102V, along which the elevator car 110 is likewise based on a Backpack storage can be carried out.
  • This horizontal running rail 102H is oriented horizontally in a second direction and enables the elevator car 110 to be moved within a floor.
  • the horizontal running rail 102H connects the two vertical running rails 102V to one another.
  • the second running rail 102H thus also serves to transfer the elevator car 110 between the two vertical running rails, for example in order to carry out a modern paternoster operation.
  • a plurality of such horizontal running rails 102H (not shown), which connect the two vertical running rails to one another, can be provided in the elevator installation.
  • the elevator car 110 can be transferred between a vertical running rail 102V and a horizontal running rail 102H. All running rails 102, 103 are arranged at least indirectly on an inner wall of a shaft 120.
  • Such elevator systems per se are described in WO 2015/144781 A1 and in DE102016 211997A1 and DE 10 2015 218 025 A1.
  • the elevator car 400 is arranged in a shaft 405, shown schematically in a side view, with an inner wall 410, also called a shaft wall.
  • the elevator car 400 is driven by means of linear motors shown in FIG. 2 and a plurality of control elements 415-435 which are arranged on the inside of the shaft wall and are only indicated in gray, which are also called motor control units.
  • a first sensor unit (reference number "12a" there) already shown in FIG. 1 and designed as a position sensor comprises two functional components in the present exemplary embodiment, namely an active sensor head 440 fixedly arranged on the outside of the elevator car 400 and one on the inside of the shaft 405 fixedly arranged measuring body 445, which is designed in particular as a measuring scale.
  • the measuring body 445 is in the ferry operation of the elevator car 400 by means of one of a Sensor head 440 detected the sensor signal 14 generated, in particular by means of information 455 contained in the sensor signal 14 about the position of the elevator car 110, 400 the inner wall 410 of the shaft 405 arranged (not shown here) running rail is moved in a guided manner.
  • the position data recorded by sensors are transmitted in accordance with a communication protocol or a corresponding "line code", in which the position data recorded by sensors and the clock data required for communication are combined into a single data word and coded accordingly
  • a communication protocol or a corresponding "line code” in which the position data recorded by sensors and the clock data required for communication are combined into a single data word and coded accordingly
  • a different line code can also be used for coding, e.g. a line code in which possible transmission errors of the asynchronous transmission can be reduced by means of synchronization or "estimation".
  • the binary signals thus present are forwarded wirelessly to an optical transmitter unit 460, which consists of a series of IR signals arranged over the entire length of the chassis 450 (or the carriage) of the elevator car 400.
  • an optical transmitter unit 460 which consists of a series of IR signals arranged over the entire length of the chassis 450 (or the carriage) of the elevator car 400.
  • LEDs Infrared LEDs is formed. It should be noted that not only IR light, but also visible light or UV light can be used accordingly. In addition, other electromagnetic frequency ranges can in principle also be used.
  • the corresponding receiver units 465 are arranged on the inner wall 410 of the shaft 405 and are each connected to an inverter of the ropeless drive system.
  • the respectively recorded information 455 about the position of the elevator car 110, 400 is transmitted to all functional components relevant for the safe ferry operation of the elevator installation 100.
  • the position data can also be transmitted, depending on the line code used, by means of inductive coupling between a transmitter and the multiple receivers.
  • the communication between a safety control device arranged on the elevator car and communication devices arranged in the elevator shaft takes place according to the prior art by means of a conventional Ethernet protocol, which in particular is carried out by an on the outside of the Comprises a first antenna 480 arranged on the elevator car 400 and a second antenna 485 arranged on the inner wall 410 of the shaft 405, formed, wireless transmission path.
  • the first antenna 480 and the second antenna 485 are operated by means of an Ethernet connection.
  • the first safety control device sends a corresponding "STO" release command via the Ethernet connection to one in the shaft 405, also called the elevator shaft, or in a machine room (not shown here) arranged, second security control device sent.
  • the first safety control device transmits the STO command according to the prior art to the relevant drive control elements, which are arranged in the area of the current position of the elevator car in the shaft.
  • the time required for the transmission is greater than 100 ms due to the delays due to the Ethernet communication protocol and due to the architecture of the wireless Ethernet connection.
  • the period of time required for switching off or shutting down the drive control or the drive control elements in the event of an insufficiently safe or unsecured movement of the car must be (considerably) shorter than the period mentioned for communication according to the state of the art between the car and the im Time delays that occur in fixed communication components in the elevator shaft.
  • the components required for a direct STO connection ie the inherently secure communication connection 480, 485 shown in FIG Shaft 405 can be retained.
  • the STO commands generated in the elevator car 400 are now transmitted wirelessly via the separate transmission channel 480, 485 to the inverters of the drive system arranged in the shaft 405.
  • the second safety control device arranged in the shaft 405 can, if necessary, also send an STO command to the first safety control device of the elevator car 400 via the communication network 480, 485 shown in dashed lines in FIG. 4.
  • the LEDs shown in Fig. 4, arranged over the entire length of the chassis 450, are modulated for the transmission of the binary data of an STO command with a square-wave pulse serving as the carrier frequency at a constant frequency, e.g. with a modulation frequency of 150 kHz.
  • Each of the inverters of the drive system (not shown in FIG. 4) has its own receiver (e.g. the receiver unit 465 shown in FIG Band pass filter is connected.
  • the bandpass filter is configured in such a way that it only allows the specified, modulated frequency to pass.
  • two separate transmission channels are provided.
  • the second transmission channel is operated with a different frequency than the first channel, for example with a modulation frequency of 400 kHz.
  • a bandpass filter is constructed, for example, as an electrical circuit with passive elements, in particular with coils and capacitors.
  • a bandpass filter is also designed as an active circuit design (for the use of operational amplifiers) in order to filter undesired interference above and below the desired modulation frequency.
  • the two transmission channels cannot interfere with one another if the modulation frequencies are sufficiently separated from one another.
  • the spacing of the modulation frequencies is preferably chosen such that it corresponds to ten times the bandwidth of the bandpass filter.
  • a named transmitter providing the fastest possible STO communication link is thus implemented at least by the three functional components shown in FIG. 5a.
  • Incoming 500 binary data are converted into a corresponding square-wave signal by means of an oscillator 505, in particular by means of a quartz oscillator.
  • the square-wave signal generated in this way is fed to an LED driver 510, which drives an LED 515 accordingly.
  • the preferred transmitter unit 460 can in particular generate a serial data signal which is used to transmit the information from the sensor signal 14.
  • the three functional components 505-515 shown can be supplied with the respectively required electrical operating voltage via the input signal 500.
  • a step-down converter can be provided for any necessary adjustments to the voltage level. This type of voltage supply also considerably simplifies any error analysis that may be required.
  • no STO release signal is present at the input 500 of the oscillator 505, in particular the crystal oscillator, no square-wave signal is generated by the oscillator 505 and thus no pulse-shaped output signal from the LED 515 of the transmitter, even when the power supply is switched on is interrupted.
  • the operating voltage can in particular be transmitted in a wired and / or contactless manner.
  • Energy storage devices for example capacitors, induction means and / or batteries, can also be used to stabilize the operating voltage.
  • a down converter is in particular an amplifier circuit with defined properties, preferably with regard to linearity and / or galvanic isolation.
  • the amplifier circuit is used in particular to adapt the voltage level to requirements.
  • LEDs are usually designed for very low energy or power consumption, as they are often used in battery-operated devices such as remote controls. Their operation is therefore also possible in a very reliable manner exclusively by means of the input signal 500 of the oscillator 505.
  • a named receiver is implemented at least by the five functional components shown in FIG. 5b. In comparison to the transmitter described, a little more effort is required for the technical implementation.
  • the infrared light pulses emitted by the transmitter are converted back into electrical signals in the receiver unit 465 by means of one or more receiver elements 520, each of which is designed in particular as a phototransistor.
  • a phototransistor is known to be a bipolar transistor with a pnp or npn layer sequence, whose respective pn junction of a base-collector barrier layer is made accessible to the incident light.
  • the activation of an individual phototransistor is implemented by means of the reverse current generated by the incidence of light through this barrier layer.
  • the output signals of the respective phototransistors are converted from the output signals of the respective phototransistors in the case of several phototransistors by means of a multiplexer 230 or a multiplexer circuit generates a single, pulse-shaped signal.
  • a multiplexer 230 or a multiplexer circuit generates a single, pulse-shaped signal.
  • any delays that occur between a plurality of receiver elements 520, preferably designed as phototransistors and caused by the respective signal path involved, are negligible in the range of a few 100 kHz due to the frequencies present here.
  • An additionally provided band-pass filter 535 is used to limit the signal then present to the frequency range of the oscillator 505, in particular the quartz oscillator, of the transmitter. This ensures that the binary data contained in the transmitted signal cannot be changed by, for example, signal components with higher frequencies.
  • the output signals 545 of the receiver can be used as STO input signals of the mentioned drive control elements arranged on the inner wall of the elevator shaft.
  • the fast STO communication can be expanded by means of an additional inductive channel, not shown here.
  • This extension can be necessary in particular if a large number of communication channels are required to achieve the specified SIL level or to enable STO status queries or corresponding feedback from the specified inverters.
  • the working principle of inductive signal transmission can otherwise take place in the same way as in the optical variant described.
  • the transmitter and the receiver can each be implemented by an electronic circuit board, the transmitter coil and the receiver coil being formed by corresponding conductor tracks. If a signal is to be transmitted by means of a corresponding circuit, a certain frequency is set in on is generated in a known manner by means of a simple circuit, for example by means of a suitable DC / DC converter, and supplied to the said transmitter coil. In the case of a DC / DC converter, a DC voltage (with a frequency of 0 Hz) is applied to its input and output. As described, the received signal is amplified in the receiver and filtered by means of a bandpass filter.
  • the inductive variant Compared to optical communication, the inductive variant has the following additional advantages: - The inductive transmission is insensitive to dust; no optical shielding is required.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

L'invention concerne un système d'ascenseur comprenant au moins un rail de déplacement (102) qui est monté dans une cage (120, 405), au moins une cabine d'ascenseur (110, 400) dotée d'un châssis (112, 450), en particulier une pluralité de cabines d'ascenseur, le châssis (112, 450) pouvant se déplacer le long du rail de déplacement (102) dans une direction de déplacement (F), un entraînement linéaire (10), qui est conçu de sorte à déplacer la cabine d'ascenseur (110, 400), une pluralité d'éléments de commande (415-435) de l'entraînement linéaire (10) étant disposés le long du rail de déplacement (102), un corps de masse (445) agencé dans la cage (120, 405) le long du rail de déplacement (102) et destiné à déterminer la position de la cabine d'ascenseur (110, 400) le long du rail de déplacement (102), au moins une unité de détection (12) montée sur la cabine d'ascenseur (110) et conçue de sorte à envoyer des signaux de détection (14) à l'entraînement linéaire (10), l'entraînement linéaire (10) étant conçu de sorte à recevoir les signaux de détection (14) et à déplacer la cabine d'ascenseur (110, 400) en fonction des signaux de détection (14) reçus, les signaux de détection comprenant une information (455) sur la position de la cabine d'ascenseur (110, 400) par rapport au corps de masse (445), ainsi qu'un dispositif de communication destiné à assurer la transmission sans fil à l'entraînement linéaire (10), des signaux de détection produits par ladite au moins une unité de détection (12), les signaux de détection à transmettre étant modulés avec une fréquence de modulation prédéfinissable avant la transmission.
PCT/EP2020/085814 2019-12-11 2020-12-11 Système d'ascenseur sans câble à transmission sans fil en temps réel de données de détection d'un capteur de position WO2021116438A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20829559.2A EP3983327A1 (fr) 2019-12-11 2020-12-11 Système d'ascenseur sans câble à transmission sans fil en temps réel de données de détection d'un capteur de position

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019219338.2A DE102019219338A1 (de) 2019-12-11 2019-12-11 Seillose Aufzugsanlage mit echtzeitfähiger drahtloser Übertragung von Sensordaten eines Positionssensors
DE102019219338.2 2019-12-11

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WO2021116438A1 true WO2021116438A1 (fr) 2021-06-17

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PCT/EP2020/085814 WO2021116438A1 (fr) 2019-12-11 2020-12-11 Système d'ascenseur sans câble à transmission sans fil en temps réel de données de détection d'un capteur de position

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EP (1) EP3983327A1 (fr)
DE (1) DE102019219338A1 (fr)
WO (1) WO2021116438A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2451061A1 (fr) * 2009-06-29 2012-05-09 Sabanci University Dispositif de détection de position pour moteur linéaire du type à aimant mobile
WO2015144781A1 (fr) 2014-03-28 2015-10-01 Thyssenkrupp Elevator Ag Système d'ascenseur
EP3138800A1 (fr) * 2015-09-01 2017-03-08 Otis Elevator Company Communication sans fil d'ascenseur et système de transfert d'alimentation
DE102015218025A1 (de) 2015-09-18 2017-03-23 Thyssenkrupp Ag Aufzugsystem
DE102016202364A1 (de) * 2016-02-16 2017-08-17 Thyssenkrupp Ag Verfahren zum Ermitteln einer absoluten Position einer beweglichen Fahreinheit einer feststehenden Transportanlage
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