WO2010130477A1 - Elevator control apparatus - Google Patents
Elevator control apparatus Download PDFInfo
- Publication number
- WO2010130477A1 WO2010130477A1 PCT/EP2010/053114 EP2010053114W WO2010130477A1 WO 2010130477 A1 WO2010130477 A1 WO 2010130477A1 EP 2010053114 W EP2010053114 W EP 2010053114W WO 2010130477 A1 WO2010130477 A1 WO 2010130477A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control device
- elevator control
- application system
- elevator
- interface
- Prior art date
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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
- B66B1/46—Adaptations of switches or switchgear
-
- 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
-
- 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
Definitions
- the invention relates to an elevator control device for an elevator installation with at least one car, which is movable for transporting persons and / or loads by means of a drive device in a shaft, wherein the elevator control device is connected to input and output devices and sensors of the elevator system and to the drive device and controls the operation of the elevator system.
- Elevator systems for transporting people and / or loads are known in various embodiments.
- at least one car can be moved up and down in a shaft.
- the user can enter his destination or the desired direction of travel.
- a corresponding control signal is transmitted to an elevator control device.
- This may give the user a feedback confirming the input, and then the elevator control device controls the car according to the user input.
- the position and the speed as well as the direction of travel of the car can be detected and corresponding position, speed and direction signals can be transmitted to the elevator control device.
- the latter is connected to the drive unit of the lift system and to a brake.
- an emergency call device with which a user can establish a voice connection to a central office in an emergency.
- Elevator control devices are usually designed and configured specifically for the respective elevator installation. This is associated with not inconsiderable costs. Also, it is often difficult to update the software of an elevator control device.
- Object of the present invention is to develop an elevator control device of the type mentioned in such a way that it is less expensive to produce and can be updated in a simpler manner.
- an elevator control device of the generic type according to the invention comprises an elevator-specific base system and a standardized application system, wherein the base system input / output elements, at least one FeIdbus interface or at least one serial interface and at least one signal processing element for Processing real-time-relevant signals comprises, and wherein the application system comprises at least one standardized, hardware-independent programmable signal processing element for processing non-real-time signals having an operating system, and wherein between the two systems bidirectional data can be transmitted.
- the elevator control device comprises an elevator-specific basic system and a standardized application system, between which data can be exchanged.
- the basic system processes time-critical signals, which are input via an input / output element, a fieldbus interface or a serial interface.
- the basic system ensures guaranteed response times and enables emergency operation of the lift system. It is specially designed for the respective elevator installation and can be designed, for example, in the form of a microprocessor module.
- the base system has at least one input / output element and additionally at least one fieldbus interface as well as at least one has serial interface. However, it can also be provided that, for example, the at least one fieldbus interface or even the at least one serial interface are omitted.
- time-critical signals can be provided to the base system via at least one input / output element or at least one fieldbus interface or at least one serial interface, which signals are then processed by the at least one signal processing element.
- the application system has a standardized, hardware-independently programmable signal processing element, which in principle can be used not only in elevator systems but also in the control of other technical equipment, machines and equipment.
- the application system can therefore be produced in very large numbers and can be independent of the particular hardware used for the particular application, in this case to control an elevator system, program.
- the elevator control device processes non-real-time relevant signals, i. H. Signals that are less time-critical than the signals to be processed by the base system.
- the application system may also be designed in the form of a microprocessor module, preferably in the form of a 32-bit computer.
- the signal processing member of the application system is programmable in a standard high-level language and allows the use of a variety of elevator applications, which go beyond the emergency operation of the elevator system.
- the signal processing element of the application system has at least one powerful operating system, preferably an operating system with multitasking operation.
- the design of the elevator control device with an elevator-specific base system and a standardized application system makes it possible to significantly reduce the manufacturing costs for the elevator control device. Only the basic system has to be specially designed and programmed for elevator systems, whereas the application system can be used for a large number of elevator systems and can be adapted to the specific elevator system by means of simple adaptation measures. The manufacturing costs for the application system can therefore be kept relatively low.
- the two systems each have two interfaces, wherein in each case a first interface can act as a master and a second interface as a slave.
- the standardized application system is preferably designed as an exchangeable module. It forms a manageable unit that can be kept mechanically and electrically detachable, for example, on a printed circuit board.
- the modular design of the application system has the advantage that the application system can be easily exchanged. This allows, for example, a simple update of the elevator control device. For this purpose, the application system initially used can be replaced by an updated application system.
- the application system is configured in the form of a module detachably connectable to the base system.
- the application system can be releasably connected to the base system without tools, for example by means of a plug connection.
- the base system is designed like a module.
- the base system can form a structural unit, this facilitates the assembly of the elevator control device.
- both the base system and the application system each have a microprocessor.
- the base system or the application system consists of programmable integrated circuits, so-called FPGAs (Field Programmable Gate Arrays).
- the base system and the application system may have different computational and / or storage capabilities.
- the computing and / or memory performance of the application system may be greater than the computing or memory performance of the base system.
- the clock rate of the base system is only a fraction of the clock rate of the application system.
- the base system may operate at a clock rate of 72 MHz, whereas the clock rate of the application system is a multiple thereof, for example 532 MHz.
- the application system can be moved from the base system from the standby mode to the operating mode.
- the basic system can thus recognize the input of a driving desire by a user and then put the application system from the standby mode into the operating mode, in order to then process the driving intention.
- the application system can be moved from the operating mode into the standby mode from the base system.
- the application system automatically transitions from the operating mode to the standby mode if the elevator system is not operated for longer than a predetermined period of time.
- the predetermined period of time may be, for example, at least five minutes.
- the application system on predefinable days of the week for example, on Sundays and public holidays and / or at predeterminable Ran- or night times automatically passes from the operating mode in the standby mode, if there is no driving desire.
- the application system preferably has at least one USB interface. This allows a particularly simple and universal input of data and programs to achieve a variety of functionalities.
- the application system has at least one
- Such storage media have no rotating parts. This increases the life of the application system and thus the entire elevator control device and makes them less susceptible to interference.
- the elevator control device can be cooled without fan.
- the use of a fan can thus be omitted. This also increases the life of the elevator control device and makes it less susceptible to interference.
- the software of the application system is wirelessly or wired upgraded electrically.
- the application system has an interface for wired or wireless communication with an actuator, a sensor, a computer network and / or a telephone network.
- the application system can be connected, for example, to an intranet or to the Internet.
- the interface to the Internet or an intranet also allows the use of communication software for voice transmission over the Internet or intranet (Voice over IP).
- the application system can have at least one RAM and / or EEPROM memory.
- the application system has one or more memory card interfaces, at least one USB host interface, at least one ETHERNET interface and / or at least one I 2 C interface.
- UART interface Universal Asynchronous Receiver Transmitter
- the base system has at least one analog-to-digital converter, so that incoming analog control signals can be converted into digital signals.
- the base system comprises at least one pulse width modulator. This allows the generation of control signals that can be transmitted, for example, to the drive device of the elevator system.
- the base system is programmable by the application system. For example, this gives the possibility of exchanging an existing application system by an updated application system for updating the elevator control device in a first step.
- the updated application system can then be used to program the base system.
- the updating of the complete elevator control is thus particularly easy.
- a particularly secure elevator control device is achieved in a preferred embodiment in that the operation of the application system can be monitored by the base system.
- the correct operation of the application system is monitored by the base system in such an embodiment. If there is a fault, this is detected by the base system, which can then shut down the elevator system within a short time or can issue an alarm signal to a monitoring center.
- the operation of the base system can be monitored by the application system.
- the application system can monitor the correct operation of the base system in such an embodiment. Lies a malfunction of the base system, this can be detected by the application system, which then shut down the elevator system or can issue an alarm signal to a monitoring center.
- the signal processing element of the base system enables debouncing of incoming control signals which are sent by electromechanical components of the elevator installation.
- An evaluation and normalization of sensor signals that have been converted by at least one analog-to-digital converter is performed in an advantageous embodiment of the signal processing element of the base system.
- the base system may conveniently have at least one counter and / or a real time clock.
- the signal processing element of the base system may preferably perform a counter evaluation and / or a threshold value monitoring.
- the elevator control device comprises an emergency call and voice input / output system connected to the application system.
- the emergency call and voice input / output system makes it possible to detect emergency calls from the car and then issue a voice prompt, for example to confirm the emergency call
- the emergency call and voice input / output system can then be connected to the application system, for example via an analog or digital interface. It can be provided that a connection can be selected or switched via an I 2 C interface.
- the application system may connect to a computer network or the public telephone network via the previously mentioned wired or wireless communication interface to forward an incoming emergency call.
- the emergency call and voice input / output system is integrated into the application system.
- the elevator control device has a sound detection system connected to the application system.
- the noise detection system allows monitoring of the noise occurring in the car, in the elevator shaft or in the engine room of the elevator system. If unusual noises occur which indicate a fault in the elevator installation, this can be detected by the sound recognition system and, for example, a monitoring center can be informed.
- a microphone is arranged, which is connected to both the emergency call and voice input / output system and with the sound detection system. This gives the ability to make both emergency calls via a single microphone in the car as well as occurring within the car noise, for example during an empty trip, to analyze in order to detect possible disruptions of the elevator system early.
- the noise detection system is integrated into the application system.
- the noise detection system may be interfaced to the application system.
- the elevator control device preferably has a graphical user interface. This makes it possible to display information graphically on a display device, for example by means of pictograms, characters, graphics and / or images. This facilitates the operation and maintenance of the elevator control device.
- the elevator control device has at least one memory element for long-term data recording, wherein the stored data can be read out and evaluated only in the presence of an access authorization.
- the stored data can be read out and evaluated only in the presence of an access authorization.
- Such an embodiment makes it possible to store operating states, in particular fault data, of the elevator installation, wherein the operating states are stored in a long-term memory element.
- This data can be read, for example, during maintenance by a service technician. However, this must identify itself by presenting an access authorization.
- the operating data can be stored over a long period of time, for example over several days, weeks or even months.
- An evaluation of this data can give indications of special operating situations, in particular to disturbances of the elevator system or to special loads.
- the access to This data is only available to authorized persons who have the appropriate access authorization.
- the access authorization can be stored on a transportable storage element, preferably on a USB memory stick, which is authorized for reading out and evaluating the data stored in the storage element and can be connected to an interface of the elevator control device.
- a transportable storage element preferably on a USB memory stick
- the access authorization check can be carried out by the application system after, for example, a USB memory stick has been inserted into the USB interface. If the check of the access authorization is successful, the read-out and / or evaluated data can be displayed, for example, on a display unit of the elevator control device and / or they can be visualized on other display or diagnostic devices.
- Figure 1 is a schematic longitudinal sectional view of an elevator system with an elevator control device according to the present invention.
- FIG. 2 shows a block diagram of the elevator control device from FIG. 1.
- FIG. 1 schematically shows an elevator installation 10 with an elevator shaft 12 which extends from a shaft pit 13 to a shaft head 14.
- a car 16 in the vertical direction is moved up and down.
- the car 16 is coupled via a support cable 18 with a counterweight 20.
- the support cable 18 is guided over a traction sheave 22, which can be rotated by a motor 24 and braked by a brake 26.
- the motor 24 and the traction sheave 22 form a drive device of the elevator installation 10.
- the control of the elevator installation 10 takes place by means of an elevator control device 30, which is shown greatly simplified in FIG. About a sauadriges suspension cable 32, the elevator control device 30 is connected to the car 16 in electrical connection. In addition, the elevator control device 30 is electrically connected to the motor 24 via a first control line 34 and to the brake 26 via a second control line 36.
- the input and output devices 41, 42 and 43 are connected via a field bus 46 to the elevator control device 30 in electrical connection.
- Conventional call buttons and display devices can also be connected to the fieldbus 46.
- a user can enter a destination by means of an input and output device 41, 42 or 43.
- the reception of the destination is acknowledged by the elevator control device 30 at the input and output device 41, 42 or 43 at which the destination has been input, and then the elevator control device 30 controls the car 16 according to the input destination.
- a display device in the form of a monitor 50, a speaker 51 and a microphone 52 are arranged. Information can be displayed on the monitor 50 to the user, in particular the current position and the direction of travel of the car 16. Acoustic signals can be emitted via the loudspeaker 51; in particular voice announcements or music can be played during the journey of the car 16.
- the microphone 52 allows a voice connection. Monitor 50, speaker 51 and microphone 52 are connected via the hanging cable 32 with the elevator control device 30 in connection.
- a first air pressure sensor 55 is arranged on the roof 54 of the elevator car 16, and a second air pressure sensor 57 is positioned on the bottom 56 of the shaft pit 13.
- the two air pressure sensors 55 and 57 are connected via radio signals to the elevator control device 30 in connection and respectively detect the prevailing at the location of the sensor 55 and 57 air pressure.
- the air pressure is dependent on the absolute height, so that by means of the arranged on the roof 54 of the car 16 air pressure sensor 55, the position of the vehicle 16 can be determined within the elevator shaft 12.
- the second air pressure sensor 54 which is arranged on the bottom 56 of the shaft pit 13 in this case serves to normalize the air volume detected by the first air pressure sensor 55. pressure, so that weather-dependent air pressure fluctuations can be compensated.
- a wired connection can also be used.
- the air pressure sensor 55 may be connected to the elevator control device 30 via the hanging cable 32.
- the elevator control device 30 comprises an elevator-specific base system 60 and a standardized application system 61.
- the application system is designed in the form of an exchangeable module which is mounted on a circuit board 62 of the
- Base system 60 is mechanically and electrically releasably held.
- the connector allows easy replacement of the application system by removing it from the base system board 62.
- the base system 60 is itself formed in a modular manner by all the components of the base system are arranged on the board 62 and the entire board 62 can be replaced as a unit.
- the base system 60 has two interfaces 64, 65 for transmitting data to the application system 61.
- the application system 61 comprises two interfaces 66, 67 for the transmission of data to the base system 60.
- the interfaces 64 to 67 are configured as SPI interfaces.
- the first interface 64 of the base system 60 acts as a master and the first interface 66 of the application system 61 acts as a slave.
- the second interface 67 of the application system 61 acts as the master and the second interface 65 of the base system 60 as a slave. Therefore, data can be transferred at any time between the two systems, without one system first having to wait for a data request from the other system.
- the application system 61 further includes a UART interface 68 through which the base system 60 is programmable by the application system 61.
- the base system 60 comprises a signal processing element 69, with which incoming signals can be processed in real time.
- the signals may be input to the base system 60 via a serial interface 71, a first fieldbus interface 72, a second fieldbus interface 73, an A / D converter 74, and also via an input / output port 75.
- the base system 60 also has a pulse width modulator 76 for outputting control signals.
- the base system 60 has a UART interface 77 which interacts with the UART interface 68 of the application system 61, as well as a counter 79 and a real time clock 80.
- the base system 60 Via the first fieldbus interface 72, the base system 60 is provided with the input and output devices 41, 42, 43 in electrical connection.
- the fieldbus 46 is connected to the first fieldbus interface 72 (not shown).
- the application system 61 has a standardized, hardware-independently programmable signal processing element 83, with which non-real-time critical signals can be processed.
- the application system 61 is connected via an input / output port 84 to a display / input unit 101 of the elevator control device 30. prevented.
- the display / input unit 101 comprises in the illustrated embodiment, a display and a keyboard.
- the application system 61 communicates with an emergency call and voice input / output system 87 of the elevator control device 30, which in turn is connected to the speaker 51 and the microphone 52 of the elevator car 16.
- the application system 61 has a universal USB jack 86.
- the application system 61 is also connected to a noise detection system 89 of the elevator control device 30, which is arranged both with the microphone 52, which is arranged within the car 16, as well as with an arranged in the shaft head 14 external microphone 90th connected is.
- a noise detection system 89 of the elevator control device 30 which is arranged both with the microphone 52, which is arranged within the car 16, as well as with an arranged in the shaft head 14 external microphone 90th connected is.
- the application system 61 is connected to a modem 92 of the elevator control device 30, which in turn is in electrical communication with the emergency call and voice input / output system 87.
- the application system 61 has an interface 95 for a removable digital storage medium, in the present case for a flash memory card 96.
- the latter forms a non-volatile memory of the application system 61.
- the application system 61 has a RAM memory 98, an EEPROM Memory 99 and other flash memory 100.
- the application system 61 is also equipped with an interface 105 for wireless communication.
- the interface 105 can, as shown in the drawing, be controlled directly, but it is also conceivable to control the interface 105 via the USB socket 86.
- a wireless connection to the air pressure sensors 55 and 57 can be made, as well as to a computer network, such as an intranet or the Internet.
- the interface 105 allows wireless connection of the application system 61 to an actuator or telephone network.
- the computing and memory performance of the application system 61 is many times greater than the corresponding computing and memory performance of the base system 60.
- the clock rate of the application system may for example be 532 MHz, whereas the clock rate of the base system is preferably 72 MHz.
- the application system 61 has a standby mode and an operation mode. It automatically goes into standby mode when the elevator system 10 is not activated for a predetermined period of time. At a later time, a re-activation occurs by a user selecting a destination via the input and output device 41, 42 or 43, the application system 61 is set in the operating mode by the base system 60.
- the base system 60 is specifically designed and programmed for the present elevator installation 10.
- application system 61 is a standard module that may also be used to control other industrial equipment, machinery, and equipment. It can be programmed hardware-independent in a high-level language and has an operating system that manages the memory and interfaces of the application system 61 and controls the execution of programs.
- the base system 60 may also include an operating system, but this is not mandatory.
- the base system 60 is configured as a microprocessor module, in particular as a modular or monolithically constructed microcontroller module. However, it can also be designed as a programmable integrated circuit in the form of an FPGA (Field Programmable Gate Arrays).
- FPGA Field Programmable Gate Arrays
- the application system 61 is also designed in the form of a microprocessor module, preferably in the form of a modular or monolithically constructed microcontroller module. However, it can also be designed as a programmable integrated circuit in the form of an FPGA (Field Programmable Gate Arrays).
- FPGA Field Programmable Gate Arrays
- the modular design of the elevator control device 30 with the lift-specific base system 60 and the interchangeable, standardized Application system 61 makes it possible to manufacture the elevator control device 30 cost-effectively, since the application system 61 can be produced in very large numbers and can be programmed in a high-level language in a hardware-independent manner for the respective intended use in a simple manner.
- the interchangeability of the application system 61 which is detachably connected via the connector assembly 63 to the board 62 of the base system 60, allows a simple update of the elevator control device 30 by the existing application system 61 is replaced by a current, usually more powerful application system while maintaining the Basic system 60. It is also possible to replace or update only the software of the existing application system 61.
- the integrated emergency call and voice input / output system 87 allows the use of the same loudspeaker 51 in the car 16 for both voice prompts and entertainment as well as emergency situations.
- the noise detection system 89 enables early detection of disturbances by analyzing the noise occurring within the well 12 as well as the noise occurring within the car 16 during an empty run.
- the emergency call and voice input / output system 87 and the sound detection system 89 are configured as separate modules of the elevator control device 30. Alternatively, however, it can also be provided that the emergency call and voice input / output system 87 and / or the sound recognition system 89 are integrated into the application system 61.
- the elevator control device 30 By means of the elevator control device 30 multilingual information in different character sets, for example in Cyrillic, Arabic or Chinese, both on the floor side arranged input and output devices 41, 42 and 43 and on the car side arranged monitor 50 and also on the display / input unit 101 are displayed. Even individual pictograms can be displayed with high resolution and therefore very well recognizable to the user or service technician.
- the wireless communication interface 105 enables the application system 61 to wirelessly receive sensor signals that are transmitted by radio, such as sensor signals from the air pressure sensors 55 and 57.
- the latter replace manual position switches distributed within the hoistway 12 and wired to the elevator control device 30 Need to become.
- the wiring effort can be significantly reduced by the possibility of wireless communication using the interface 105.
- Operating states of the elevator installation 10 can be stored by the application system 61 in a memory element, for example in the flash memory 100.
- fault data can be stored in the flash memory 100.
- This data can be read out by a service technician who must have access authorization for this purpose.
- the access authorization can be recorded on a USB memory stick that is accessible from the service technician must be plugged in to check the access authorization in the USB socket 86. Only if this access authorization is recognized by the application system 61, the stored data can be read and output, for example, to a carried by the service technician diagnostic device. Alternatively or additionally, the data can be visualized on the display of the display / input unit 101. This allows, for example, an error analysis by the operating data occurring before a fault can be evaluated.
Abstract
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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RU2011150622/11A RU2499759C2 (en) | 2009-05-15 | 2010-03-11 | Elevator control device |
CN201080018980.8A CN102421691B (en) | 2009-05-15 | 2010-03-11 | Elevator control apparatus |
KR1020117027000A KR101394375B1 (en) | 2009-05-15 | 2010-03-11 | Elevator control apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09006603A EP2251293B1 (en) | 2009-05-15 | 2009-05-15 | Lift control device |
EP09006603.6 | 2009-05-15 |
Publications (1)
Publication Number | Publication Date |
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WO2010130477A1 true WO2010130477A1 (en) | 2010-11-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2010/053114 WO2010130477A1 (en) | 2009-05-15 | 2010-03-11 | Elevator control apparatus |
Country Status (7)
Country | Link |
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EP (1) | EP2251293B1 (en) |
KR (1) | KR101394375B1 (en) |
CN (1) | CN102421691B (en) |
AT (1) | ATE529366T1 (en) |
ES (1) | ES2372445T3 (en) |
RU (1) | RU2499759C2 (en) |
WO (1) | WO2010130477A1 (en) |
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CN108883891A (en) * | 2016-03-30 | 2018-11-23 | 因温特奥股份公司 | Lift facility with the multiple field devices and central control unit communicated by summation frame method |
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DE112012005930B4 (en) * | 2012-02-24 | 2021-03-25 | Mitsubishi Electric Corporation | Communication control device and communication control method |
JP5894516B2 (en) * | 2012-10-05 | 2016-03-30 | 株式会社日立製作所 | Control system |
AU2016363764B2 (en) * | 2015-12-02 | 2019-10-03 | Inventio Ag | Monitoring and/or registering a position of a tool in an elevator shaft |
CN109071164B (en) | 2016-05-04 | 2020-06-09 | 因温特奥股份公司 | Personnel transport system comprising a central control unit and a plurality of field devices with optimized fault detection |
EP3468905B1 (en) | 2016-06-09 | 2020-03-18 | Inventio AG | Passenger transport system with central control unit and a plurality of field devices communicating using data telegrams prioritised using waiting periods |
DE102017207750A1 (en) * | 2017-05-08 | 2018-11-08 | Thyssenkrupp Ag | Modernization of an elevator group |
CN111094164B (en) * | 2017-09-13 | 2021-05-04 | 因温特奥股份公司 | Checking the state of field devices of a people conveyor system associated with a building |
AU2018356262C1 (en) * | 2017-10-27 | 2022-03-03 | Inventio Ag | Safety system for a building-related passenger transportation system |
JP6434115B1 (en) * | 2017-12-15 | 2018-12-05 | 東芝エレベータ株式会社 | Platform operation panel and control method |
AU2019210562A1 (en) * | 2018-08-02 | 2020-02-20 | Otis Elevator Company | Web based storage for microprocessor and micro controller based product software management |
US10822199B2 (en) * | 2019-03-28 | 2020-11-03 | Otis Elevator Company | Sensor fusion of acceleration sensor and air pressure sensor information to estimate elevator floor level and position |
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- 2010-03-11 WO PCT/EP2010/053114 patent/WO2010130477A1/en active Application Filing
- 2010-03-11 KR KR1020117027000A patent/KR101394375B1/en active IP Right Grant
- 2010-03-11 RU RU2011150622/11A patent/RU2499759C2/en active
- 2010-03-11 CN CN201080018980.8A patent/CN102421691B/en active Active
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WO2002098778A1 (en) * | 2001-06-04 | 2002-12-12 | Read Holdings Limited | Communication means for lift control system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108883891A (en) * | 2016-03-30 | 2018-11-23 | 因温特奥股份公司 | Lift facility with the multiple field devices and central control unit communicated by summation frame method |
CN108883891B (en) * | 2016-03-30 | 2020-08-21 | 因温特奥股份公司 | Elevator installation with a plurality of field devices and a central control unit communicating by means of a summation frame method |
Also Published As
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RU2011150622A (en) | 2013-06-20 |
ATE529366T1 (en) | 2011-11-15 |
CN102421691B (en) | 2014-06-18 |
CN102421691A (en) | 2012-04-18 |
KR101394375B1 (en) | 2014-05-13 |
EP2251293A1 (en) | 2010-11-17 |
RU2499759C2 (en) | 2013-11-27 |
ES2372445T3 (en) | 2012-01-19 |
EP2251293B1 (en) | 2011-10-19 |
KR20120016094A (en) | 2012-02-22 |
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