EP3887298A1 - Localisation d'une cabine d'ascenseur dans une cage d'ascenseur - Google Patents

Localisation d'une cabine d'ascenseur dans une cage d'ascenseur

Info

Publication number
EP3887298A1
EP3887298A1 EP19805331.6A EP19805331A EP3887298A1 EP 3887298 A1 EP3887298 A1 EP 3887298A1 EP 19805331 A EP19805331 A EP 19805331A EP 3887298 A1 EP3887298 A1 EP 3887298A1
Authority
EP
European Patent Office
Prior art keywords
elevator
processing device
transmission device
measurement signal
time
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.)
Pending
Application number
EP19805331.6A
Other languages
German (de)
English (en)
Inventor
Christian Studer
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 EP3887298A1 publication Critical patent/EP3887298A1/fr
Pending legal-status Critical Current

Links

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
    • B66B1/3492—Position or motion detectors or driving means for the detector
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • 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
    • B66B1/3423—Control system configuration, i.e. lay-out
    • 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

Definitions

  • the technology described here generally relates to an elevator system.
  • Embodiments of the technology also relate to a method for determining the position of an elevator car in an elevator system.
  • DE 10126585A1 discloses a position reference system for an elevator car of an elevator system.
  • the position reference system has a sensor with a laser that emits a beam that is reflected by a mirror. The reflected beam is detected by a detector in the sensor. Either the laser or the mirror is mounted in an immovable position while the other device is attached to the elevator car and moves together with it.
  • the laser beam is modulated with two frequencies, a higher and a lower one.
  • the lower frequency provides a rough position of the elevator car, while the higher frequency provides a fine position of the elevator car.
  • a position calibration takes place when the elevator car is stationary in order to determine an initial position of the elevator car. When the elevator car begins to move, the rough position is determined based on the lower frequency, while the fine position is determined based on the higher one
  • Absolute position of the moving elevator car can be determined.
  • Laser beam is very focused and has a high intensity, it is subject to atmospheric distortions. Temperature fluctuations along the vertical in one
  • Elevator shaft (especially in tall buildings), air movement, moisture and dust can negatively affect the quality of the reflected laser beam, because u. U. the intensity of the laser beam striking the detector can be very low. A determination of the distance therefore depends on such influences, which makes an exact determination of the absolute position uncertain. There is therefore a need for an improved technology for determining the position of an elevator car.
  • One aspect of the technology described here relates to an elevator system that includes an elevator car, an elevator controller, a transmission device, a
  • the elevator control is designed to control a method of the elevator car along a road in a building.
  • the transmission device is designed to transmit electrical energy and / or information between the elevator car and the elevator controller.
  • the transmission device is designed, a
  • the detection device To transmit the measurement signal as electromagnetic radiation via an airway.
  • the detection device is arranged in the direction of the airway away from and opposite the transmission device.
  • the detection device is designed to receive the measurement signal directly via the airway and to convert it into an electrical signal.
  • the processing device is designed to use the electrical signal to determine a transit time of the measurement signal along the airway and to use the transit time to determine a distance between the transmitting device and the detection device.
  • the processing device is also designed to determine a position of the elevator car by means of the distance
  • the measuring system comprises a transmission device, a microphone, and a speaker.
  • the transmission device is designed to transmit a measurement signal as electromagnetic radiation via an airway.
  • the detection device can be positioned in the direction of the airway away from and opposite the transmitter device.
  • the detection device is designed to receive the measurement signal directly via the airway and to convert it into an electrical signal.
  • the processing device is designed to use the electrical signal to determine a transit time of the measurement signal along the airway and to use the transit time to determine a distance between the transmitting device and the detection device.
  • the processing device is also designed to determine a position of the elevator car by means of the distance.
  • Another aspect of the technology described here relates to a method for determining a distance in an elevator system, which includes an elevator car, an elevator control, a transmission device, the electrical energy and / or Transmits information between the elevator car and the elevator controller, has a transmission device, a detection device which is separated from the transmission device by an airway and is positioned remotely, and a processing device.
  • the transmission device is activated in order to emit a measurement signal as electromagnetic radiation
  • the detection device is operated in order to convert the electromagnetic radiation into an electrical signal, the electromagnetic radiation being transmitted directly from the
  • Transmission device spreads to the detection device.
  • the processing device is operated in order to determine a transit time of the measurement signal via the airway by means of the received electrical signal and to determine a distance between the transmitter device and the detection device by means of the transit time.
  • a position of the elevator car is determined by means of the distance.
  • the technology described here makes it possible to determine the distance in an elevator system, which depends to a reduced extent on external influences. This is made possible by the fact that the measurement signal only passes through the airway once, namely on the way from the transmitting device to the detection device.
  • the detection device is arranged in the direction of the airway away from and opposite the transmission device. The arrangement is chosen so that there is a "line of sight" between the transmitter and the detection device, i. H. an exemplary optical beam can strike the detection device unhindered.
  • the technology described here can be used in an elevator system with relatively little effort.
  • the technology described here can be used in an elevator system with relatively little effort.
  • the technology described here can be used in an elevator system with relatively little effort.
  • Transmission device is also used as a communication channel, which means that there is no need to install an additional communication channel. This also makes it possible to have one already installed and put into operation in a building
  • Detection device are arranged at a distance from one another; depending on whether a signal is available on the side of the transmission device or on the side of the detection device should be, it can be transmitted via the transmission device. This provides flexibility with regard to the spatial arrangement of the devices, for example the distance can be determined on the side of the transmitting device or on the side of the detection device.
  • the transmission device comprises a hanging cable which is fastened to the elevator car and and or in the vicinity of the elevator control.
  • the hanging cable has a fixed and constant length, which in one
  • Embodiment can be used to determine the runtime.
  • the distance can be determined in different ways.
  • the distance can be determined in different ways.
  • Processing device arranged at the transmitting device and coupled to the transmission device by a first interface device in order to receive the electrical signal via the transmission device.
  • the transmission device for example in the form of a hanging cable, thus closes a loop from the transmission device via the airway to the detection device and from there to the processing device arranged at the transmission device.
  • the processing device is designed to calculate the transit time from a difference between a second point in time at which the
  • the processing device and the transmitting device are synchronized with one another in time. That means the
  • the processing device and the transmitting device have a common time reference ("Clock").
  • the electrical signal received by the processing device at the second point in time can therefore clearly differ from that at the first point in time
  • Transmitted measuring signal can be assigned to determine the transit time.
  • the processing device is in the
  • Detection device is arranged and coupled to the transmission device by a second interface device.
  • the transmitting device is also designed to send the measuring signal as an electrical measuring signal to the processing device via the transmission device.
  • the transmission device for example in the form of a hanging cable, thus provides a quasi parallel one to the airway
  • the processing device thus receives the electrical signal from the detection device and the electrical measurement signal via the
  • the processing device is configured, the transit time from a difference between a second point in time at which the
  • Detection device receives the measurement signal via the airway, and to determine a third point in time at which the processing device receives the electrical measurement signal via the transmission device. Generating the electrical signal, receiving the electrical measurement signal and determining the
  • the detection device and the processing device can therefore be arranged, for example, on a common circuit board; this reduces e.g. B. the circuitry and space requirements.
  • Processing device and the detection device temporally to each other
  • the processing device is in the
  • Detection device arranged and coupled to the transmission device through the second interface device.
  • the arrangement is similar to that of the second embodiment.
  • the third embodiment the
  • Transmission device used for time synchronization of the processing device and the transmitting device.
  • the processing device is configured, the transit time from a difference between a second point in time at which the
  • the electrical signal received by the processing device at the second point in time can be uniquely assigned to the measurement signal sent by the transmitting device at the first point in time in order to determine the transit time.
  • Interface devices used. Covers the transmission facility
  • Embodiments are therefore small.
  • the electro-optical converter can e.g. B. include an LED, laser, or laser diode unit, and the opto-electrical converter can, for. B. include a PIN diode unit.
  • the transmission device is arranged at a fixed location in an elevator shaft (stationary) while the Detection device is arranged on the elevator car (and thus movable).
  • the detection device is arranged at a fixed location in the elevator shaft (stationary), while the transmitting device is arranged on the elevator car (and thus can be moved).
  • FIG. 1 shows a schematic illustration of an exemplary elevator system with a system for determining a position of an elevator car
  • Fig. 2 is a schematic block diagram of a first embodiment of a
  • FIG. 3 shows a schematic block diagram of a second exemplary embodiment of a system for determining a position of an elevator car
  • Fig. 4 is a schematic block diagram of a third embodiment of a
  • FIG. 5 shows an exemplary illustration of an exemplary embodiment of a method for determining a distance in an elevator system.
  • Fig. 1 shows a schematic representation of an embodiment of a
  • Elevator system 1 in a building the elevator system 1 having a system for
  • the building can in principle be any type of multi-storey building (e.g. residential building, hotel, office building, sports station, etc.).
  • the elevator system 1 can also be installed on a ship. In the following, components and functions of the elevator system 1 are explained insofar as they help to understand the ones described here
  • the building shown in Fig. 1 has a plurality of floors Fl, F2, F3, which are served by the elevator system 1, i. H. a passenger 32 can enter a call at a call input terminal 30 from
  • Elevator system 1 can be conveyed from an entry floor to a destination floor.
  • the elevator car 6 can be moved along a roadway in the building.
  • the roadway extends, for example, along a vertical elevator shaft 16.
  • the roadway can extend along a horizontal or inclined plane.
  • the roadway may have vertical and horizontal sections.
  • the technology disclosed here is described below using the technology shown in FIG.
  • the elevator system 1 shown in FIG. 1 also comprises an elevator control (EC) 12, a drive machine (M) 14, a counterweight (CW) 18, one
  • Transmission device 20 a suspension element 26 (one or more steel cables or flat belts) and a plurality of deflection rollers 34.
  • the suspension element 26 has two ends, each end being fastened to a fixed point 36 in the elevator shaft 16. Between the fixed points 36, the suspension element 26 partially wraps around the deflection roller 34
  • the elevator system 1 shown is thus a traction elevator, further details such as, for example, guide rails for the elevator car 6 and guide rails for the counterweight 18 in FIG. 1 are not shown.
  • the elevator control 12 is connected to the drive machine 14 and controls it in order to move the elevator car 6 in the shaft 16.
  • the function of a traction elevator, its components and the tasks of an elevator control 12 are generally known to the person skilled in the art.
  • the person skilled in the art recognizes that the elevator system 1 has a plurality of elevator cars 6 or multiple cars in one or more
  • the elevator system 1 also includes a measuring system 3, which is designed to determine a position of the elevator car 6 along the travel path in the elevator shaft 16.
  • the measuring system 3 comprises a transmitting device 2, which comprises a radiation source 5 for electromagnetic radiation, and a processing device (mR) 4.
  • the measuring system 3 also comprises a detection device 8, which is designed to receive electromagnetic radiation. More details on exemplary Refinements of the measuring system 3 are given in connection with FIGS. 2, 3 and 4.
  • Detection device 8 spatially separated by an air path D and arranged away from the transmitter 2 or its radiation source 5.
  • Processing device 4 arranged at a fixed (stationary) location in the elevator shaft 16.
  • the detection device 8 is arranged on the elevator car 6 and is moved with it in the elevator shaft 16, for example if the
  • Elevator car 6 is operated to serve an elevator call.
  • the transmitting device 2, or at least the radiation source 5 is arranged on the elevator car 6 and can be moved with it, while the
  • Detection device 8 is arranged at a fixed (stationary) location in the elevator shaft 16.
  • the processing device 4 can be arranged separately and at a distance from the radiation source 5; their function can e.g. B. be integrated in the elevator control 12.
  • Embodiment in addition to a processing function can also be configured for other functions, for example a control function and / or a synchronization function.
  • the processing device 4 comprises a
  • the transmitter 2 can, for. B. be arranged by means of a holder 38 in the elevator shaft 16; the holder 38 can be arranged on or in the drive machine 14, as is indicated in FIG. 1.
  • Processing device 4 can be arranged on a common printed circuit board (circuit board) and / or in a common housing. In relation to the vertical direction (i.e. in height), the arrangement of the transmission device 2 is selected such that the
  • Position determination between a lower maximum position of the elevator car 6 ie the elevator car 6 is on the lowest floor, at the lowest driving position or in a so-called shaft pit) and an upper maximum position of the elevator car 6 (ie the elevator car 6 is on the top floor, at the top driving position or in or near a so-called shaft head).
  • the radiation source 5 and the detection device 8 are aligned with respect to one another in such a way that there is “visual contact” between them and the emitted electromagnetic radiation can strike the detection device 8 unhindered.
  • 1 shows the emitted electromagnetic radiation as a beam 10 pointing in the direction of the elevator car 6.
  • a laser unit generates the electromagnetic radiation, as described for example in connection with FIG. 2; beam 10 is therefore also referred to as laser beam 10.
  • the technology described here enables the distance to be determined, which depends to a reduced extent on external influences.
  • the transmission device 20 closes a signal path from the transmission device 2 via the airway D to the detection device 8 and from there to the evaluation device 4, which is arranged in FIG. 1 on the side of the transmission device 2.
  • the evaluation device 4 which is arranged in FIG. 1 on the side of the transmission device 2.
  • the jet 10 passes through the airway D only once.
  • the transmission device 20 comprises an electrical cable which, for. B. is provided in a traction elevator (or other types of elevator) for the transmission of electrical energy and electrical signals and extends between the elevator car 6 and a fixed point to which the elevator controller 12 is coupled, and has a fixed and constant length.
  • the electrical cable has electrical power and signal lines for this.
  • the electrical cable for example, supplies the elevator car 6 with electrical energy and transmits signals (for example load, status and / or car call information) from and to the elevator car 6.
  • the electrical cable is also known to a person skilled in the art as a (flat) hanging cable, hereinafter is the Transmission device 20 also referred to as a hanging cable 20.
  • Devices for example, interface devices
  • Transmission device 20 comprise one or more busbars.
  • the elevator system 1 shown in FIG. 1 also includes interface devices (IF) 22, 24; the interface device 22 establishes an electrical connection between the detection device 8 and the hanging cable 20, and the interface device 24 establishes an electrical connection between the transmitting device 2 and the hanging cable 20.
  • the processing device 4 is also coupled to one of the interface devices 22, 24.
  • the interface device 24 is also connected to the elevator control 12 in FIG. 1.
  • the interface devices 22, 24 enable electrical signals to be fed into the suspension cable 20 and to be extracted (decoupled) therefrom.
  • the interface devices 22, 24 can be assigned to the elevator system 1, the transmission device 20 or the measuring system 3 (i.e. the transmitting device 2 or the detection device 8).
  • FIG. 2 shows a schematic block diagram of a first exemplary embodiment of the measuring system 3 with the transmission device 2 and the detection device 8.
  • FIG. 2 also shows the transmission device 20, the transmission device 2 and the
  • Detection device 8 connects to each other via the interface devices 22, 24.
  • the person skilled in the art recognizes that the transmission device 20 is additionally connected to other components of the elevator system 1, for example to the elevator controller 12.
  • the (laser) beam 10 is also shown for illustration.
  • the processing device 4 is assigned, for example, to the transmitting device 2 and connected to the interface device 24.
  • the transmitting device 2 comprises a control device (TX) 48 for the
  • Detection device 8 comprises a detector unit 44 and a control device (RX) 46, which is connected to the interface device 22.
  • the measuring system 3 is an optical measuring system, ie the radiation emitted by the radiation source 5 lies in a frequency range which encompasses the light spectrum and can be perceived as visible light by humans.
  • the detection device 8 is configured accordingly for this light spectrum.
  • the radiation source 5 includes z. B. an LED, laser or laser diode unit.
  • Such a radiation source 5 emits, for example, red light; in one exemplary embodiment it is designed as a laser diode unit.
  • Such a laser diode unit can be compact and space-saving;
  • the red light facilitates an adjustment of the radiation source 5 and the detector 44.
  • the control device 48 comprises e.g. B. a (laser) driver circuit that the
  • Radiation source 5 driven according to an electrical measurement signal.
  • the radiation source 5 as an electro-optical converter, converts the electrical measurement signal into a light signal (laser beam 10), its properties (intensity, (pulse) frequency and / or
  • Modulation type can be specified by the supplied electrical measurement signal.
  • the clock device 50 and the processing device 4 can in turn specify the electrical measurement signal.
  • the detector 44 of the detection device 8 converts the received laser beam 10 into an electrical signal ES, which is fed to the receiving device 46.
  • the detector 44 comprises light-sensitive components, for example “charge-coupled device” (CCD) components, “complementary metal oxide semiconductor pixels (CMOS pixels), avalanche photodiodes (APDs) or“ positive intrinsic negative diodes ”(PIN diodes). These components can be arranged and connected such that the detector 44 is a photosensitive
  • Detection area of the desired size is selected such that the laser beam 10 hits the detector 44 even at greater distances d, deviations and vibrations of the elevator car 6.
  • the receiving device 46 controls the detector 44, for example, around the latter
  • Specify operating parameters (z. B. an operating point), and prepares the electrical signal ES for transmission via the transmission device 20 (z. B. by amplification and signal shaping).
  • the laser beam 10 contains a sequence of light pulses, ie a light pulse
  • the electrical signal ES accordingly contains a sequence of electrical pulses.
  • a transit time measurement is used.
  • a temporally short light pulse emitted by the radiation source 5 needs a certain transit time t for the air path from the radiation source 5 to the detector 44.
  • the distance d that can be determined in this way enables the position of the
  • Elevator car 6 In the situation shown in FIG. 1, the location of the transmitting device 2 is a reference point from which the distance d is determined. In one
  • the reference point in the elevator shaft 16 has a fixed and thus known height h, for example based on a shaft floor or a floor of a ground floor. At some point the
  • Detection device 8 the distance d to the transmission device 2.
  • the position of the detection device 8 arranged on the elevator car 6 i.e. its height in the
  • Elevator shaft 16 results from the difference between the height h of the transmitting device 2 and the distance d.
  • the position of the elevator car 6 can be derived from the position of the detection device 8.
  • the position of the elevator car 6 determined in this way is also referred to as the absolute position. If, for example, the detection device 8 is arranged on the roof of the elevator car 6 as shown in FIG. 1, the position of the car roof is known. Since a door threshold of the elevator car 6 or a car floor has known distances from the car roof, the positions of the
  • Processing device 4 arranged at or in the transmission device 2 and coupled to the transmission device 20 by the first interface device 24 in order to receive the electrical signal ES via the transmission device 20.
  • 2 is the electrical signal ES is shown symbolically as an arrow pointing in the direction of the transmitting device 2.
  • the processing device 4 is configured, the transit time from a difference between a time t 2 at which the
  • Processing device 4 receives the electrical signal ES, and to determine a first point in time ti at which the transmitting device 2 transmits the measurement signal.
  • Processing device received electrical signal ES clearly to the
  • the light beam 10 and the electrical signal ES spread at the speed of light known for the respective medium (C D , C 2O ); in addition, the predetermined length L 2 o of the hanging cable 20 is known.
  • the processing device 4 is arranged at or in the detection device 8 and is coupled to the transmission device 20 by the interface device 22.
  • the transmitter 2 is also designed to transmit the measurement signal as an electrical measurement signal EMS
  • the control device 48 is not only connected to the radiation source 5, but is additionally coupled to the interface device 24 in order to feed the electrical measurement signal EMS into the transmission device 20.
  • the electrical measurement signal EMS is shown symbolically in Lig. 3 as an arrow pointing in the direction of the detection device 8.
  • Processing device 4 thus receives the electrical signal from the
  • Detection device 8 and the electrical measurement signal EMS via the
  • the processing device 4 is designed to calculate the transit time from a difference between a second time t2, at which the detection device 8 receives the measurement signal via the airway D, and a third time t3, at which the processing device 4 transmits the electrical measurement signal EMS the transmission device 20 receives.
  • the generation of the electrical signal ES, the reception of the electrical measurement signal EMS and the determination of the distance by the processing device thus take place (based on the transmission device 20) on the same side.
  • the detection device 8 and the processing device 4 can, for example, be arranged on a common circuit board.
  • Processing device 4 and the detection device 8 synchronized with one another in time.
  • the electrical signal ES received by the processing device 4 at the second point in time t2 can therefore be clearly assigned to the electrical measurement signal EMS received by the processing device at the third point in time t3 in order to determine the transit time.
  • Fig. 4 shows a third embodiment.
  • the processing device 4 is arranged in the detection device 8 and coupled to the transmission device 20 by the interface device 22.
  • the arrangement is similar to that of the second shown in FIG. 3
  • the transmission device 20 is used for the time synchronization of the processing device 4 and the
  • the processing device 4 is designed to calculate the transit time from a difference between a second point in time t2 at which the
  • Processing device 4 receives the electrical signal and to determine a first point in time t1 at which the transmitting device 2 transmits the measurement signal. Since the processing device 4 and the transmitting device 2 have a common time reference, the electrical signal received by the processing device 4 at the second point in time t2 can clearly be different from that at the first point in time t1
  • Transmitting device 2 are assigned to the measured signal to determine the transit time t D via the airway D.
  • the clock devices 42, 50 are synchronous with one another, i. H. they have a common time reference. So z. For example, a point in time of a laser pulse emitted by the transmitting device 2 can be compared with a point in time of its reception by the detection device 8 in order to determine the transit time for the airway.
  • an oscillator in connection with a high-frequency generator can be present in one or each of the clock devices 42, 50.
  • Fig. 2 the synchronization
  • the measurement signal can be transmitted together with a time stamp.
  • the time stamp indicates the time at which the measurement signal was sent.
  • the runtime results from the difference between the time of reception and the time of transmission.
  • Elevator system 1 The description is made with reference to that shown in FIG. 1 Embodiment of the elevator system 1, in which the transmission device 2 is arranged stationary in the elevator shaft 16, while the detection device 8 on the
  • Elevator car 6 is arranged, for example on the car roof.
  • the measuring system 3 is ready for operation, i. H. the transmitting device 2 and the detection device 8 are connected to the hanging cable 20 and adjusted to one another such that the electromagnetic radiation hits the detection device 8 during the movement of the elevator car 6 and can be detected by the latter.
  • the method begins in step S1 and ends in step S7.
  • a measurement signal is emitted as electromagnetic radiation by the transmission device 2.
  • the transmission device comprises a laser unit (5) which emits a laser beam as electromagnetic radiation.
  • the laser beam is preferably visible, e.g. B. as a red light when it is scattered by dust or strikes a surface. The following is based on this
  • the transmitting device 2 transmits the laser beam in accordance with the measurement method for the transit time determination which is defined for the measurement system 3.
  • the transmitting device 2 transmits the laser beam in accordance with the measurement method for the transit time determination which is defined for the measurement system 3.
  • Detection device 8 or its clock devices 42, 50 are synchronous.
  • a step S3 the electromagnetic radiation, i. H. the laser beam 10, converted into an electrical signal ES by the detection device 8.
  • the laser beam 10 spreads by air;
  • step S4 the electrical signal ES is fed into the transmission device 20 by the detection device 8, as indicated in FIG. 2.
  • the feed takes place by means of the interface device 22; the electrical signal is extracted or decoupled from the transmission device 20 by means of the
  • a step S5 the electrical signal received via the transmission device 20 is evaluated by the processing device 4.
  • Processing device 4 uses the electrical signal to determine a transit time of the measurement signal via the airway and uses the transit time to determine a distance d between transmitter 2 and elevator car 6. Since the position of the
  • Transmitting device 2 is known, for. B. the height of the elevator shaft 16, the height of the detection device 8 can be determined. Starting from the height of the detection device 8, which at known intervals to parts of the elevator car 6, for. B. a Trafficsch shaft or door fighter, the position of the elevator car 6 in the elevator shaft 16 can be determined therefrom.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

Système d'ascenseur (1) comprenant non seulement une cabine d'ascenseur (6), un dispositif de commande d'ascenseur (12), un système de transmission (20) conçu pour assurer la transmission de l'énergie électrique et/ou d'informations entre la cabine d'ascenseur (6) et le dispositif de commande d'ascenseur (12), mais aussi un système de mesure (3). Le système de mesure (3) comporte un dispositif émetteur (2) et un dispositif détecteur (8) séparé du dispositif émetteur (2) par un espace d'air et apte à être positionné à distance. Le dispositif détecteur (8) reçoit, via l'espace d'air, un signal de mesure émis par le dispositif émetteur (2) sous forme de rayonnement électromagnétique et le transforme en un signal électrique. Le dispositif émetteur (2) reçoit le signal électrique par l'intermédiaire du dispositif de transmission (20) ; à l'aide du signal électrique, détermine un temps de propagation du signal de mesure dans l'espace d'air et, à l'aide du temps de propagation, détermine une distance (d) entre le dispositif émetteur (2) et la cabine d'ascenseur (6).
EP19805331.6A 2018-11-27 2019-11-22 Localisation d'une cabine d'ascenseur dans une cage d'ascenseur Pending EP3887298A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18208556 2018-11-27
PCT/EP2019/082183 WO2020109151A1 (fr) 2018-11-27 2019-11-22 Localisation d'une cabine d'ascenseur dans une cage d'ascenseur

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Publication Number Publication Date
EP3887298A1 true EP3887298A1 (fr) 2021-10-06

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Application Number Title Priority Date Filing Date
EP19805331.6A Pending EP3887298A1 (fr) 2018-11-27 2019-11-22 Localisation d'une cabine d'ascenseur dans une cage d'ascenseur

Country Status (4)

Country Link
US (1) US20220098004A1 (fr)
EP (1) EP3887298A1 (fr)
CN (1) CN113015684B (fr)
WO (1) WO2020109151A1 (fr)

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CN109863105B (zh) * 2016-09-13 2021-01-08 因温特奥股份公司 用于监控电梯设备的方法

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