EP3393954A1 - Dispositif de surveillance d'un système de transport de personnes, procédé de contrôle et système de transport de personnes - Google Patents

Dispositif de surveillance d'un système de transport de personnes, procédé de contrôle et système de transport de personnes

Info

Publication number
EP3393954A1
EP3393954A1 EP16809421.7A EP16809421A EP3393954A1 EP 3393954 A1 EP3393954 A1 EP 3393954A1 EP 16809421 A EP16809421 A EP 16809421A EP 3393954 A1 EP3393954 A1 EP 3393954A1
Authority
EP
European Patent Office
Prior art keywords
sensor
control unit
microprocessor
code
monitoring device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16809421.7A
Other languages
German (de)
English (en)
Other versions
EP3393954B1 (fr
Inventor
Astrid Sonnenmoser
Kurt Heinz
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 EP3393954A1 publication Critical patent/EP3393954A1/fr
Application granted granted Critical
Publication of EP3393954B1 publication Critical patent/EP3393954B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/22—Operation of door or gate contacts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
    • B66B5/0093—Testing of safety devices

Definitions

  • the invention relates to a surveying device for a passenger transport system, in particular an escalator, a moving walkway or an elevator installation, a test method for the monitoring device and a passenger transport installation with such a monitoring device.
  • Passenger transport systems of the aforementioned type include a control device that processes operational signals of the passenger transport system and controls the drive motor taking into account the operational signals. Operational signals are e.g. from the main switch of the passenger transportation system, various sensors, pulse generators, encoders, and the like, and user interfaces through which users can input.
  • the control device comprises at least one arithmetic unit, a main memory and a non-volatile memory with a control program that is required for controlling and / or regulating the passenger transport system.
  • a control device for the maintenance of the passenger transport system and the diagnostics may contain necessary interfaces and input modules and have a power supply to the power supply.
  • Passenger transport systems also regularly include a security system, which allows to detect unauthorized or critical conditions of the passenger transport system using sensors and, if appropriate, to take appropriate measures, such as switching off the system.
  • a security system which allows to detect unauthorized or critical conditions of the passenger transport system using sensors and, if appropriate, to take appropriate measures, such as switching off the system.
  • safety circuits are provided in which a plurality of safety elements or sensors, such as safety contacts and safety switches, are arranged in a series connection. The sensors monitor, for example, whether a shaft door or a car door of an elevator system is opened.
  • the passenger transport system can only be operated if the safety circuit and thus all the safety contacts integrated in it are closed. Some of the sensors are operated by the doors. Other sensors, such as an override switch, are actuated or triggered by moving parts of the system.
  • the safety circuit is connected to the drive or the brake unit of the passenger transport system in order to interrupt the driving operation if the safety circuit is opened.
  • Safety systems with safety circuits have several disadvantages. Due to the length of the connections, an undesirably high voltage drop can occur in the safety circuit. The individual safety contacts are relatively prone to failure; why unnecessary emergency stops can occur. The safety circuit also does not allow a specific diagnosis; since it is not possible to determine with the opened safety circuit which sensor or switch has caused the opening. It has therefore been proposed to equip passenger transport systems not with a safety circuit but with a monitoring device comprising a bus system.
  • WO 201/3020806 Al describes a monitoring device with a control unit and at least one bus node.
  • This bus node has a first microprocessor and a second microprocessor.
  • the control unit and the bus node communicate via a bus.
  • the first microprocessor and the second microprocessor are connected without interruption via a signal line.
  • a test method for checking the bus node comprises the following steps: the control unit transmits a default signal to the first microprocessor, the first microprocessor transmits the signal to the second microprocessor and the second microprocessor provides the signal to the control unit. Finally, the control unit verifies that the signal provided corresponds to a signal expected by the control unit.
  • WO03 / 107295 AI shows a bus-equipped monitoring device which detects the states of peripheral devices, e.g. of components of an elevator system, can be monitored.
  • the bus system has a bus, a central control unit, which is connected to the bus, and several peripheral devices. Each of these devices is located at a bus node and communicates with the control unit via the bus. At any point in time, the peripheral devices assume a certain state. The control unit periodically polls the state of each peripheral device via the bus.
  • WO2010 / 097404 AI discloses a monitoring device with a control unit, a bus and bus nodes connected thereto, each having a first microprocessor which monitors the state of a sensor and spontaneously transmits a state change message via the bus to the control unit in a change of state of the sensor. Due to the spontaneous message of the state changes from the bus node to the control unit can be waived in this monitoring device over the querying the state of the sensors at the bus node. Traffic on the bus is drastically reduced. If a bus node is connected to a sensor which detects the condition of a part of a passenger transport installation, e.g.
  • a control module is provided in each bus node, which is implemented in the first or in a second microprocessor. To control the bus node, the control unit transmits, at relatively large time intervals, an instruction via the bus to the control module to interrupt the signal transmission from the sensor to the first microprocessor, so that the first microprocessor detects a change of state and sends a status message to the control unit.
  • a switch is used in the transmission line between the sensor and in the first microprocessor, by means of which the signal transmission can be interrupted.
  • the switch is placed in a power supply line connected to the sensor, so that the power supply can be interrupted.
  • the present invention is therefore based on the object to provide an improved monitoring device for a passenger transport system, a test method for the monitoring device and a passenger transport system with such a monitoring device.
  • the solution of this object is achieved with a monitoring device according to claim 1, a test method for the monitoring device according to claim 10 and a passenger transport system according to claim 15.
  • the monitoring device which serves to monitor a passenger transport system, comprises at least one sensor, a control unit, a bus, at least one bus node connected to the bus having a first microprocessor and a control unit implemented in the first microprocessor or in a second microprocessor.
  • communication means are provided in the control unit, in the first microprocessor and in the control unit, by means of which data can be transmitted at least from the control unit to the control unit and from the first microprocessor to the control unit.
  • a first program module is further provided by means of which a change in state of the sensor connected via a transmission line to an input of the first microprocessor detectable and a corresponding state message is spontaneously transferable to the control unit.
  • the control unit comprises a second program module which is designed in such a way that an activation signal can be transmitted after receipt of an instruction from the control unit to a coupling point within the bus node, wherein the activation signal is superposed on a sensor signal and / or in a power supply line connected to the sensor is coupled.
  • the activation signal is superposed on a sensor signal and / or in a power supply line connected to the sensor is coupled.
  • a signal line should be understood to mean any line in the form of a physical cable capable of transmitting digital or analog signals.
  • the control unit transmits instructions to the bus nodes at relatively long intervals, by means of which state changes of the sensor are simulated and status messages are provoked.
  • control unit receives no status message from the relevant bus node after sending the instruction, it is to be assumed that at least the first microprocessor or the control unit implemented in the first or a second microprocessor or in another component has malfunctioned and the status is exceeded Awakening is no longer safe.
  • control unit Upon receiving the instruction from the control unit, e.g. a telegram or a data frame with the address of the relevant bus node, the control unit triggers the activation signal or the activation signals and transmits them to the coupling point within the bus node.
  • the control unit e.g. a telegram or a data frame with the address of the relevant bus node.
  • the sensor is designed such that at the output of which digital sensor signals, such as an identification code, and / or analogue sensor signals are output, which are monitored in the first microprocessor with regard to the occurrence of a state change.
  • Status changes of the sensor are e.g. the elimination or modification of an applied code, a logic signal, an AC signal, a serial or parallel data stream or a significant change in a voltage level.
  • the control unit is designed such that at its output digital activation signals and / or analog activation signals are delivered, such as DC voltage pulses, logic signals, AC signals, preferably AC signals in the frequency range of 500 Hz - 2000 Hz.
  • a short activation signal thus enables the bus node to be checked quickly and efficiently.
  • the control unit may sequentially address all bus nodes and cause the control units there to issue an enable signal to cause the desired state change.
  • the installation of a switch is not necessary, which must be opened and closed again and the e.g. by bouncing, aging, oxidation may cause disruption or even fail.
  • the examination of the bus node can therefore be carried out with less effort, in the shortest possible time and without further risks.
  • the coupling point is e.g. located within the output stage of the sensor or within the input stage of the first microprocessor or between the output stage of the sensor and the input stage of the first microprocessor.
  • the activation signals are thus superimposed on the sensor signal, whereby a change of state of the sensor is simulated.
  • the coupling point can also be arranged at the input of the sensor or within the sensor, if electrical signals occur there. At the input or within the sensor, the activation signals typically exhibit the maximum effect. Such electrical signals can also be referred to as sensor signals.
  • the activation signals can also be coupled into the power supply lines connected to the sensor. This can also cause an instability of the sensor, which is perceived as a change of state.
  • the at least one coupling point can be implemented in various ways and thus adapted to the respective needs.
  • the coupling point and thus the erfmdungswashe monitoring device are thus very flexible.
  • the at least one coupling point may be configured as a galvanic connection or at least one coupling capacitor for capacitive coupling, or at least one coil for inductive coupling.
  • the coupling of the activation signals can therefore be done in a simple manner. If the sensor transmits data or a code to the first microprocessor, a data change or code change can be effected by means of the activation signals. For example, at least one data bit is changed, so that the first microprocessor detects a data change or state change and reports this to the control unit.
  • the coupling point can advantageously be constructed as a logic circuit in which the digital sensor signals and the digital activation signals are linked together.
  • the logic circuit is preferably an inverter, which is switchable by means of the activation signals. For example, there is an EXOR gate for each data bit of the sensor signal. The data bit is applied to one input and the enable signal to the other input of the EXOR gate. By switching the activation signal from logic “0" to logic "1", the sensor signal can optionally be inverted.
  • control unit can determine from which bus node the status message has arrived, and whether the status message by an actual or a simulated state change was triggered in this bus node.
  • the monitoring device is suitable for monitoring any sensors.
  • sensors can be used which comprise at least one code-carrying element and at least one code-reading element, so that the code-reading element can read without contact an identification code from the code-carrying element and send to the first microprocessor.
  • the coupling point can advantageously be arranged at the entrance or at the exit of the code-reading element.
  • the code-carrying element and the code-reading element preferably each have an induction loop, wherein the code-reading element provides the code-carrying element by means of the two induction loops contactlessly with electromagnetic energy and the code-carrying element transmits its identification code by means of the two induction loops contactlessly to the code-reading element.
  • the activation signals can advantageously be galvanically or inductively coupled into one of the two induction loops.
  • at least one code-carrying element and at least one code-reading element in a passenger transport system are the bus node assigned. The code reading element non-contactly reads an identification code from the code carrying element and sends a signal to the first microprocessor.
  • the code-carrying element and the code-reading element each have an induction loop.
  • the code-reading element supplies the code-carrying element by means of the two induction loops contactlessly with electromagnetic energy.
  • the code-carrying element transmits its identification code by means of the two induction loops contactlessly to the code-reading element.
  • the monitoring device allows non-contact condition monitoring of system components.
  • the sensors with the code-carrying and the code-reading element scarcely exploit during operation, whereby maintenance costs can be reduced and monitoring reliability can be increased.
  • Fig. 1 a erfmdungswashe monitoring device with a control unit 10 which is connected via a bus 9 to a bus node 30, in which a sensor 8 via a coupling point 31, in which a control unit or a second microprocessor 5 an activation signal can be coupled, with connected to the input of a first microprocessor 4;
  • FIG. 2 shows the monitoring device of FIG. 1 with a coupling point 32 arranged inside the power supply line 71, 72 of the sensor 8;
  • Sensor 8 via transmission lines 12, 12 'to the first microprocessor 4 and the second microprocessor 5 is supplied and in which a coupling point 35 is provided in the power supply line 71, 72 of the sensor 8;
  • FIG. 5 shows the monitoring device of FIG. 4, in which a first coupling point 36, which is activated by the first microprocessor 4, and a second coupling point 36, are actuated by the first microprocessor 4 Coupling point 37, which is driven by the second microprocessor 5, are provided in the power supply line 71, 72 of the sensor 8; a monitoring device according to the invention with a first sensor 8a, which is connected via a first transmission line 14 to the first microprocessor 4, and a second sensor 8b, which is connected via a second transmission line 15 to the second microprocessor 5, and with a first coupling point 38 in the first transmission line 14, the activation signals from the second microprocessor 5 are supplied, and a second coupling point 39 in the second transmission line 15, the activation signals from the first microprocessor 4 can be fed; the monitoring device of Fig.
  • FIG. 11 shows the monitoring device of FIG. 10 with only one coupling point 47 in a common power supply line of the two sensors 8a, 8b, which can be acted upon by both microprocessors 4, 5 with activation signals;
  • FIG. 12 shows the monitoring device of FIG. 11 with a first coupling point 48 in a power supply line of the first sensor 8a, which can be acted upon by the second microprocessor 5 with activation signals and with a second coupling point 49 in a power supply line of the second sensor 8b, that of the first microprocessor 4 can be acted upon with activation signals.
  • Fig. 1 shows a first embodiment of the monitoring device, which can be advantageously used in a passenger transport system.
  • the monitoring device comprises a control unit 10, which communicates via a bus 9 with at least one bus node 30.
  • the control unit 10, the bus 9 and the at least one bus node 30 form a bus system within which each bus node 30 has a unique identifiable address. By means of this address, signals, in particular control commands from the control unit 10 can be selectively transmitted to a specific bus node 30. Likewise, in the control unit 10 incoming signals can be uniquely assigned to a bus node 30.
  • data can be sent in both directions via the bus 9 between the bus node 30 and the control unit 10.
  • the control unit 10 can be notified of changes in state that are detected by a sensor 8. With occurring state changes corresponding messages are spontaneously transmitted from the node 30 to the control unit.
  • the control unit 10 therefore does not have to carry out any periodic queries in order to detect state changes which have occurred, but is informed spontaneously by the bus nodes 30. If no state changes occur, no corresponding data is to be transmitted via the bus 9.
  • the data traffic over the bus 9 is therefore substantially reduced.
  • the control unit 10 regularly sends instructions to these bus nodes 30 to provoke a change of state, which has a message result. By submitting a statement and the Receipt of a corresponding status change message, the integrity of the bus node and the entire bus system can be checked regularly.
  • the bus node 30 has for this purpose a first microprocessor 4, by means of which state change messages to the control unit 10 can be transmitted. Furthermore, a control unit is provided in the configuration of a second microprocessor 5, which receives control commands or instructions from the control unit 10, by means of which tests are triggered. In order to be able to fulfill the stated tasks, corresponding program modules and communication means are provided in the two microprocessors 4 and 5.
  • the two microprocessors 4, 5 are configurable both physically and virtually. For two physically-configured microprocessors 4, 5, e.g. two microprocessors 4, 5 arranged on a die. In an alternative embodiment, the two microprocessors 4, 5 can each be implemented on their own die. However, physically only one microprocessor 4 may be present. In this case, a second microprocessor 5 or the control unit can be configured virtually by means of software on the first physically present microprocessor 4.
  • sensors 8 are shown which comprise a code-carrying element 1 and a code-reading element 3.
  • the code-carrying element 1 is an RFID tag 1
  • the code-reading element 3 is an RFID reader 3.
  • codetragender or codelesender elements 1, 3 as a bar code carrier and laser scanner, speakers and microphone, magnetic tape and Hall sensor, magnet and Hall sensor, or light source and photosensitive sensor alternatively used.
  • Both the RFID tag 1 and the RFID reader 3 each have an induction loop 2.1, 2.2.
  • the RFID reader 3 supplies the RFID tag 1 by means of this induction loop 2.1, 2.2 with electromagnetic energy.
  • the RFID reader 3 is connected to a current or voltage source Vcc.
  • Vcc a current or voltage source
  • the RFID tag 1 transmits via the induction loops 2.1, 2.2 an identification code stored on the RFID tag 1 to the RFID reader 3.
  • the power supply Vcc of the RFID tag 1 is only ensured if the RFID tag 1 in spatial proximity below a critical distance to the RFID reader 3 is located and the induction loop 2.1 of the RFID tag 1 by the induction loop 2.2 of the RFID reader 3 is excitable.
  • the energy supply of the RFID tag 1 thus only works below a critical distance to the RFID reader 3. If the critical distance is exceeded, the RFID tag 1 does not receive enough energy to maintain the transmission of the identification code to the RFID reader 3 ,
  • the RFID reader 3 transmits the received identification code via a data conductor 6 to the first microprocessor 4, which compares the identification code with a stored on a memory unit list of identification codes. In this comparison, the microprocessor 4 calculates a state value in accordance with the stored rules as a function of the identification code. This state value can take a positive or a negative value. A negative state value is e.g. then generated when no identification code or a wrong identification code is transmitted to the microprocessor 4.
  • the microprocessor 4 transmits a status change message to the control unit 10 via the bus 9.
  • This status change message contains at least the address of the bus node 30 and preferably the identification code of the detected RFID tag 1. Thanks to the notified address, the control unit 10 is in able to locate the origin of the negative state value and initiate a corresponding reaction.
  • the bus node 30 monitors, for example, the state of a shaft door.
  • the RFID tag 1 and the RFID reader 3 are arranged in the region of the shaft doors such that when the shaft door is closed the distance between the RFID tag 1 and the RFID reader 3 is below the critical distance.
  • the microprocessor 4 thus receives the identification code from the RFID reader 3 and generates a positive state value. If the shaft door is opened, the RFID tag 1 and the RFID reader 3 exceed the critical distance. Since the RFID tag 1 is no longer supplied with electrical energy by the RFID reader 3, the RFID tag 1 stops sending its identification code and the microprocessor 4 generates a negative state value. Accordingly, the microprocessor 4 sends a status change message to the control unit 10.
  • the control unit 10 locates based on the address of the bus node 30, the open shaft door.
  • the control unit 10 initiates a reaction to bring the elevator system in a safe state.
  • the state of any components such as door locks, cover locks, emergency stop switch, or drive switch, a passenger transport system, in particular an escalator or a lift system, thus be monitored.
  • other sensors 8 may be used which operate according to other physical principles and whose status changes are reported to the control unit 10 in a different manner. In particular, the invention does not depend on data transmission protocols used for said bus system.
  • the invention is not dependent on the type of evaluation of the sensor signals, which can be compared with arbitrary reference values and threshold values in order to determine a state change.
  • the transmission of an identification code from the sensor 8 to the first microprocessor 4 is advantageous, but not mandatory.
  • bus node 30 The safe operation of the bus node 30 depends primarily on the functionality of the microprocessor 4. Therefore, the bus node 30 is regularly tested by the control unit 10 to check the spontaneous transmission behavior of the microprocessor 4 when a change in state of the sensor 8 occurs.
  • the control unit 10 sends a control command or an instruction via the bus 9 to the control unit 5 and the second microprocessor 5 to trigger or simulate a change in state of the sensor 8, the first Microprocessor 4 causes a state change message to be sent.
  • an activation signal is galvanically, capacitively or inductively einkoppelbar.
  • the activation signal is generated by the control unit, for example by the second microprocessor 5, and transmitted via a connecting line 51 to the coupling point 31, which is arranged in the configuration of Fig. 1 in a transmission line 6, the output of the sensor 8 with the input of first microprocessor 4 connects.
  • a second connecting line 52 is shown, via the activation signals in the sensor 8 into the second coupling coil 2.2 are transferable (the coupling point is not shown).
  • the signals emitted by the sensor 8 are superimposed by the activation signal.
  • the identification code is transmitted as a series of pulses serially via the transmission line 6.
  • the activation signal causes at least one of the data bits of the pulse train changed, which is why the expected identification signal in the first microprocessor 4 does not arrive and a change in state is detected.
  • the first coupling point 31 can also be constructed as a circuit logic, which is supplied to the sensor signal at a first input and the activation signal at a second input.
  • the data bits of the identification code are supplied to a first input of an EXOR gate, to whose second input the activation signal is applied.
  • the identification code is inverted by the EXOR logic, which means that the first microprocessor 4 can transmit the inverted identification code instead of the identification code to the control unit 10.
  • the control unit 10 therefore recognizes in each case whether the bus node 30 has a Spontaneous or simulated state change reports.
  • the check is carried out in a time-recurring manner for each bus node 30. Since during the test, the control unit 10 can not detect real information about the state of the bus node 30 under test, the test time is kept as short as possible and the test is performed only as often as necessary. The frequency of the tests depends primarily on the probability of failure of the overall system. The more reliable the overall system works, the less often it can be tested so that a reliable condition monitoring of an elevator component is guaranteed. As a rule, the test is carried out at least once a day. The method according to the invention makes it possible to carry out the test within a very short time, since already the deletion of a single data bit of the identification code or a brief pulse-shaped disturbance of the sensor signal is sufficient to simulate a state change.
  • FIG. 2 shows the monitoring device of Fig. 1 with a coupling point 32 in the power supply line 71, 72 of the sensor 8.
  • FIG. 3 shows a third embodiment of the monitoring device.
  • the output signal of the sensor 8 via a first transmission line 11, which is provided with a first coupling point 33 to the first microprocessor 4 and via a second transmission line 11 ', which is provided with a second coupling point 34, transmitted to the second microprocessor 5 The output signal of the sensor 8 or the transmitted identification code can be redundantly evaluated by both microprocessors 4, 5. If therefore at least one of the two microprocessors 4, 5 generates a negative state value, the bus node 30 transmits a status change message to the control unit 10.
  • An advantage of this embodiment is the redundant and thus very reliable evaluation of the sensor signal, eg the identification code.
  • activation signals from the first microprocessor 4 to the second coupling point 34 and the second microprocessor 5 to the first coupling point 33 are transferable.
  • the bus node 30 thus continues to be able to actual state changes recognize and send state change messages to the control unit 10.
  • the controller 10 may therefore distinguish between simulated and actual state changes upon encountering two state change messages.
  • Fig. 4 and Fig. 5 show a fourth and fifth embodiment of the monitoring device.
  • the output signal of the sensor is transmitted via the transmission lines 12, 12 'or 13, 13' to the two microprocessors 4, 5 for redundant evaluation.
  • the control unit 10 sends a control command to the second microprocessor 5 to test the bus node 30 to initiate the delivery of an activation signal to the coupling point 35 incorporated in the power supply line 72.
  • the function of the sensor 8 is briefly disturbed, which is why a state change occurs, which is detected in the first microprocessor 4.
  • the disturbance can in turn be effected within a very short time with minimal effort.
  • a first coupling point 36, which is driven by the first microprocessor 4, and a second coupling point 37, which is driven by the second microprocessor 5, in the power supply line 71, 72 of the sensor 8 are provided.
  • both the first and the second microprocessor 4, 5 send a state change message to the control unit 10th
  • the output signals from 2 sensors 8a, 8b are transmitted via different transmission lines to at least one of the microprocessors 4, 5.
  • the coupling points serving to test the bus node are located at different locations within the switch assemblies 30.
  • the sensors 8a, 8b have corresponding code-carrying elements 1a, 1b, code-reading elements 3a, 3b and induction loops 2.1a, 2.2a, 2.1b, 2.2b.
  • the mode of operation of the sensors is analogous to that of the sensors of the embodiments of FIGS. 1 to 5.
  • the code reading elements 3a, 3b are not shown here in detail power supply lines analogous to the power supply lines 71, 72 of the preceding embodiments according to FIGS. 1 to 5 fed.
  • the first sensor 8a is connected to the first microprocessor 4 via a first transmission line 14 and the second sensor 8b is connected to the second microprocessor 5 via a second transmission line 15.
  • a first coupling point 38 is provided, the activation signals from the second microprocessor 5 can be fed.
  • a second coupling point 39 is provided, the activation signals from the first microprocessor 4 can be fed.
  • Fig. 7 shows the monitoring device of Fig. 6 with a first coupling point 40 driven by the second microprocessor 5 in a power supply line of the first sensor 8a and a second coupling point 41 driven by the first microprocessor 4 in a power supply line of the second one Sensors 8b.
  • the state change of the sensors 8a and 8b is therefore caused by deterioration of the power supply.
  • the first sensor 8a is connected via a first transmission line 16 to the first microprocessor 4 and the second sensor 8b via a second transmission line 17 to the second microprocessor 5.
  • both microprocessors 4, 5 send activation signals to a single coupling point 42, which is provided in a power supply line common to both sensors 8a, 8b.
  • the first sensor 8a is connected via a first transmission line 18 to the first microprocessor 4 and the second sensor 8b via a second transmission line 19 to the second microprocessor 5.
  • FIG. 9 shows an exemplary embodiment in which the output signals from two sensors 8a, 8b are transmitted to the first microprocessor 4 via a common transmission line 20.
  • the second microprocessor 5 tests the operability of the first microprocessor 4 by transmitting activation signals to a coupling point 43 incorporated in the transmission line 20.
  • a coupling point 44 which is driven via a second connecting line (see the dotted line), is provided in a common power supply line of the sensors 8a, 8b
  • FIGS. 10 to 12 likewise show exemplary embodiments of monitoring devices which have two sensors 8a, 8b whose output signals are guided redundantly to the first and the second microprocessor 4, 5.
  • FIG. 10 shows the monitoring device of FIG. 6, in which both sensors 8a, 8b are each connected to the first microprocessor 4 via a first transmission line 21 and to the second microprocessor 5 via a second transmission line 22.
  • a first coupling point 45, which can be acted upon by the second microprocessor 5 with activation signals is in the first transmission line 21 and a second coupling point 46, which can be acted upon by the first microprocessor 4 with activation signals, is provided in the second transmission line 22.
  • FIG. 11 shows the monitoring device of FIG.
  • the first sensor 8a and the second sensor 8b are furthermore each connected to the first microprocessor 4 via a first transmission line 23 and to the second microprocessor 5 via a second transmission line 24.
  • FIG. 12 shows the monitoring device of FIG. 11 with a first coupling point 48, which can be acted upon by the second microprocessor 5 with activation signals, in a power supply line of the first sensor 8a and with a second coupling point 49, which are acted upon by the first microprocessor 4 with activation signals can, in a power supply line of the second sensor 8b. State changes can therefore be provoked individually, simultaneously or alternately, at both sensors 8a, 8b.
  • the first sensor 8a and the second sensor 8b are furthermore each connected to the first microprocessor 4 via a first transmission line 25 and to the second microprocessor 5 via a second transmission line 26.
  • the two microprocessors 4 and 5 can preferably communicate with the control unit 10 independently of one another and preferably have different addresses for this purpose.
  • the control unit 10 can therefore sequentially check one and the other microprocessor 4 or 5, while the other microprocessor 5 or 4 monitors the associated sensor 8b or 8a.
  • the circuit can be adapted accordingly.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Alarm Systems (AREA)

Abstract

L'invention concerne un dispositif de surveillance servant à surveiller un système de transport de personnes et comprenant au moins un capteur (8), une unité de commande (10), un bus (9), au moins un nœud de bus (30) raccordé au bus (9) et présentant un premier microprocesseur (4) et une unité de contrôle (5), et des moyens de communication qui se trouvent dans l'unité de commande (10), dans le premier microprocesseur (4) et dans l'unité de contrôle (5) et qui permettent la transmission de données au moins de l'unité de commande (10) vers l'unité de contrôle (5) et du premier microprocesseur (4) vers l'unité de commande (10). Dans le premier microprocesseur (4) est agencé un premier module de programme qui permet de détecter un changement d'état du capteur (8) raccordé à une entrée du premier microprocesseur (4) par une ligne de transmission (6) et de transmettre spontanément à l'unité de commande (10) une information d'état correspondante. Selon l'invention, l'unité de contrôle (5) comprend un second module de programme qui est réalisé de telle manière qu'après réception d'une indication provenant de l'unité de commande (10) au niveau d'un point de couplage (31,..., 49) dans le nœud de bus (30), un signal d'activation au moyen duquel une modification de l'état du capteur (8) peut être simulée peut être transmis, le signal d'activation étant superposé à un signal de détection et/ou injecté dans une ligne d'alimentation en courant (72) raccordée au capteur (8).
EP16809421.7A 2015-12-21 2016-12-14 Dispositif de surveillance pour une installation de transport de personnes, procede de verification et installation de transport de personnes Active EP3393954B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15201447 2015-12-21
PCT/EP2016/080965 WO2017108525A1 (fr) 2015-12-21 2016-12-14 Dispositif de surveillance d'un système de transport de personnes, procédé de contrôle et système de transport de personnes

Publications (2)

Publication Number Publication Date
EP3393954A1 true EP3393954A1 (fr) 2018-10-31
EP3393954B1 EP3393954B1 (fr) 2020-02-05

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EP16809421.7A Active EP3393954B1 (fr) 2015-12-21 2016-12-14 Dispositif de surveillance pour une installation de transport de personnes, procede de verification et installation de transport de personnes

Country Status (7)

Country Link
US (1) US11365088B2 (fr)
EP (1) EP3393954B1 (fr)
CN (1) CN108367891B (fr)
AU (1) AU2016376176B2 (fr)
ES (1) ES2783349T3 (fr)
HK (1) HK1251538A1 (fr)
WO (1) WO2017108525A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11365088B2 (en) * 2015-12-21 2022-06-21 Inventio Ag Monitoring device for a passenger transport system, testing method and passenger transport system
CN112041254B (zh) * 2018-04-24 2023-04-18 因温特奥股份公司 用于确定电梯轿厢的轿厢位置的位置确定系统和方法
EP3608279A1 (fr) * 2018-08-10 2020-02-12 Otis Elevator Company Dispositif et procédé de surveillance du mouvement d'une porte d'ascenseur à l'aide de rfid
TWI811493B (zh) * 2018-12-12 2023-08-11 瑞士商伊文修股份有限公司 用於交換乘客運輸系統中的組件之方法及使用於此目的的裝置
WO2020254605A1 (fr) * 2019-06-21 2020-12-24 Inventio Ag Dispositif de raccordement d'un dispositif de commande d'une installation de transport de personnes
DE102022129327A1 (de) 2022-11-07 2024-05-08 Elgo Batscale Ag Sensorsystem für eine Aufzugsanlage

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JP2005502566A (ja) 2001-09-18 2005-01-27 インベンテイオ・アクテイエンゲゼルシヤフト モニタリングシステム
FR2841084B1 (fr) 2002-06-13 2004-12-17 Systemig Sa Dispositif de telereleve d'etats, et applications
DK1638880T4 (da) * 2003-06-30 2013-10-14 Inventio Ag Sikkerhedssystem til et elevatoranlæg
SG112018A1 (en) 2003-11-11 2005-06-29 Inventio Ag Elevator installation and monitoring system for an elevator installation
EP2167413B1 (fr) 2007-07-17 2012-12-05 Inventio AG Procédé de surveillance d'un appareil d'élévation
US8688284B2 (en) 2008-04-28 2014-04-01 Inventio Ag Method for switching electrical consumers in a building comprising an elevator system
CN102333717B (zh) * 2009-02-25 2014-03-12 因温特奥股份公司 具有监控系统的电梯和电梯的通讯方法
FI122474B (fi) * 2010-12-01 2012-02-15 Kone Corp Hissin turvakytkentä sekä menetelmä hissin turvakytkennän toiminnallisen poikkeaman tunnistamiseksi
CN102795519A (zh) * 2011-05-27 2012-11-28 上海三菱电梯有限公司 电梯远程监控装置
DK2741993T3 (en) * 2011-08-11 2015-08-31 Inventio Ag Test Method for an elevator installation and a monitoring device for implementing the test method
US11365088B2 (en) * 2015-12-21 2022-06-21 Inventio Ag Monitoring device for a passenger transport system, testing method and passenger transport system
US10961082B2 (en) * 2018-01-02 2021-03-30 Otis Elevator Company Elevator inspection using automated sequencing of camera presets
EP3825706B1 (fr) * 2019-11-25 2023-09-27 Otis Elevator Company Noeud electronique de test pour inspection automatique d'une chaine de securite

Also Published As

Publication number Publication date
ES2783349T3 (es) 2020-09-17
EP3393954B1 (fr) 2020-02-05
AU2016376176A1 (en) 2018-07-12
HK1251538A1 (zh) 2019-02-01
US20180370764A1 (en) 2018-12-27
WO2017108525A1 (fr) 2017-06-29
AU2016376176B2 (en) 2019-10-03
CN108367891B (zh) 2020-03-06
US11365088B2 (en) 2022-06-21
CN108367891A (zh) 2018-08-03

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