EP3885234A1 - Abdeckung zur montage an einem weichenantrieb und verfahren zur überwachung eines weichenantriebs - Google Patents

Abdeckung zur montage an einem weichenantrieb und verfahren zur überwachung eines weichenantriebs Download PDF

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Publication number
EP3885234A1
EP3885234A1 EP20166434.9A EP20166434A EP3885234A1 EP 3885234 A1 EP3885234 A1 EP 3885234A1 EP 20166434 A EP20166434 A EP 20166434A EP 3885234 A1 EP3885234 A1 EP 3885234A1
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EP
European Patent Office
Prior art keywords
cover
point machine
data
point
sensor
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
EP20166434.9A
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English (en)
French (fr)
Inventor
Koen DEVLOO-DELVA
Arnaud VANEUKEM
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.)
Siemens Mobility GmbH
Original Assignee
Siemens Mobility GmbH
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 Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Priority to EP20166434.9A priority Critical patent/EP3885234A1/de
Publication of EP3885234A1 publication Critical patent/EP3885234A1/de
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
    • B61L27/53—Trackside diagnosis or maintenance, e.g. software upgrades for trackside elements or systems, e.g. trackside supervision of trackside control system conditions

Definitions

  • the present disclosure relates to a point machine comprising an actuating assembly. Further, the disclosure relates to a cover of that point machine. Particularly, the housing serves as a cover for a monitoring device providing data related to the operation status of the point machine. Further the disclosure relates to a method for providing a monitoring of a point machine. Finally, the disclosure relates to a computer program product as well as an apparatus for the computer program product, wherein the computer program product is equipped with instructions (program commands) for executing this method.
  • a point machine is a type of equipment that is subject to major forces and serves as an important element of a safety critical process. Failure of the point machine has a direct and huge impact on the functioning of a rail infrastructure.
  • the monitoring of the point machine is related to a fixed schedule of service intervals and rather time-consuming, i. e. authorized specialists must walk between the tracks to ensure the proper functioning of the point machine.
  • a predetermined emergency process correction maintenance process
  • a predetermined emergency process has to be effected to avoid any safety risks and/or irregularities regarding the rail traffic.
  • Document EP 3 269 615 A1 describes a point machine comprising a housing and an actuating assembly arranged inside the housing, an actuating rod driven by the motor for moving at least one point blade of a point, and a fiber optic sensor which is directly attached to the point machine for detection of a parameter which indicates the condition of the point machine.
  • actuating assembly arranged inside the housing, an actuating rod driven by the motor for moving at least one point blade of a point, and a fiber optic sensor which is directly attached to the point machine for detection of a parameter which indicates the condition of the point machine.
  • An object of the disclosure is to provide solutions for point machines which save costs and effort for maintenance and which also keep the costs and effort for installation of the solution to a minimum.
  • another object of the disclosure is to provide a computer program product and an apparatus for providing the computer program product through which the above-mentioned method can be executed.
  • a monitoring device is arranged in or on the cover, comprising at least one sensor for acquiring data related to the operating status of the point machine, and an interface for outputting the data.
  • the existing cover of the point machine is replaced by a smart cover which is a device equipped with at least one sensor, preferably with multiple sensors providing monitoring data reflecting the operating status of the point machine.
  • This replacing of the cover does not impact the safety critical mechanical parts (the actuating assembly) of the point machine but provides for more efficiently managed monitoring of the point machine which solves the problem mentioned above.
  • the disclosure described hereby has no impact on the actuating assembly of the point machine and is designed to optimize its own asset management according to an automatic monitoring routine instead of manual maintenance actions. For this purpose, only the cover of the point machine must be changed which is advantageously connected to less investment effort. Subsequently, the disclosure leads to a reduction of monitoring costs as there is no manual surveillance.
  • the cover may be a kit for retrofitting.
  • the disclosed system can be conveniently installed and monitored in a simple technical process, at a low cost with high efficiency in less time.
  • the kit of retrofitting can be produced in large numbers and therefore be offered at a lower price.
  • the terms “create”, “calculate”, “determine”, “generate”, “configure”, “modify” and the like preferably refer to actions and/or processes and/or processing steps that change and/or generate data and/or transform the data into other data.
  • the data is available as physical quantities, for example, as electrical impulses or measured values.
  • the necessary instructions/program commands are combined in a computer program as software.
  • the terms “receive”, “transmit”, “read in”, “read out”, “transfer” and the like refer to the interaction of individual hardware components and/or software components via interfaces.
  • the interfaces can be implemented in terms of hardware, for example, wired or as radio connection, and/or in terms of software, for example, as interaction between individual program modules or program parts of one or more computer programs.
  • “computer-aided” or “computer-implemented” may, for example, be understood as an implementation of the process in which one or more computer/s execute/s or perform/s at least one procedural step of the process.
  • the term "computer” should be interpreted broadly, covering all electronic devices with data processing capabilities. Computers can thus be, for example, personal computers, servers, handheld computer systems, pocket PC devices, mobile radio devices and other communication devices that process data with the aid of computers, processors and other electronic devices for data processing, which can also be connected to a network.
  • a “memory unit” can be understood to be, for example, a computer-readable memory in the form of a random-access memory (RAM) or data storage device (hard disk or data carrier).
  • Program modules are to be understood as individual functional units which enable the program sequence according to the disclosure. These functional units may be realized in a single computer program or in several computer programs communicating with each other. The interfaces realized in this way can be implemented within a single processor in terms of software or in terms of hardware if several processors are used.
  • a "processor” may be understood to be, for example, a machine, such as a sensor for generating measured values or an electronic circuit.
  • a processor may be a central processing unit (CPU), a microprocessor or a microcontroller, for example, an application-specific integrated circuit or a digital signal processor, possibly in combination with a memory unit or memory module for storing program commands, etc.
  • a processor may also be an integrated circuit (IC), in particular a field programmable gate array (FPGA) or an application-specific integrated circuit (ASIC), or a digital signal processor (DSP).
  • a processor can also be understood as a virtualized processor or a soft CPU. For example, it may also be a programmable processor equipped with a configuration for executing a computer-based process.
  • An energy harvesting unit especially a solar cell, may be mounted in or on the cover, and which may be configured to supply power to the monitoring device. If harvesting is used to generate energy, the advantage is that the replaced cover is independent of an energy supply. In particular, it can be easily retrofitted to existing point machines, because no external energy supply is required. This makes it easier to change the cover, and the associated costs can be further reduced.
  • the interface may be provided by a radio module configured to receive and transmit the data.
  • the advantage of this embodiment is that the point machine can communicate via a wireless link with a control center, for example. In the control center, the data can be evaluated, so that necessary maintenance can be determined at low cost. Personnel on site is then only required for the necessary maintenance work and can be requested for this purpose.
  • the interface may be provided by a memory module which is configured to store the data.
  • the advantage of this embodiment is that monitoring data acquired by the sensor can be stored. This makes it possible, for example, to read out the data at regular intervals. This can be done, for example, via a wireless interface, via a wired connection or by means of a reader.
  • the variant of a readout with a reader in particular, is technically easy to implement.
  • the data may be modified by a calculation module which is configured to receive the data acquired by the sensor.
  • the calculation module can be understood as a processor that allows the cover to run its own data processing.
  • the calculation module can be used to control the processes in the cover or to process data measured by the sensor. This means that data can be read out in a pre-processed condition, for example to collect it in a control center. It is thus advantageous to implement a distributed intelligence of data processing.
  • the interface may be configured to be connected to a cloud.
  • the acquired data for monitoring the operating status of the point machine is read in and can be accessed from a cloud.
  • Cloud services can be provided for a huge number of functional components, e. g. a large number of point machines equipped with the cover. Components of the cloud infrastructure can be shared by all point machines which reduces the necessary investment.
  • cloud refers to an environment of cloud-computing which relates to an information technology infrastructure provided by a network or the internet.
  • the cloud provides storage space, computing power or an application package as a service, all of which do not have to be installed on the local computer that is used by the cloud.
  • the supply and use of the afore-mentioned services are provided exclusively by technical interfaces and protocols, e. g. by means of a web browser.
  • the range of the services provided by cloud-computing comprise the information technology as a whole and consists, inter alia, of an infrastructure, platforms and software.
  • the at least one sensor or a plurality of sensors may be configured to detect at least one of the following conditions of the point machine: a temperature, the number of position changes of the point, vibrations caused by the actuating assembly, an image of the actuating assembly, the duration of position changes of the point.
  • An increased temperature can, for example, indicate an overload of the point machine.
  • the increased temperature results from increased frictional losses, for example. Frictional losses can also indicate mechanical wear, i.e. if mechanical parts need to be replaced.
  • Another possibility is to measure the environment temperature. Objective in this case is to verify whether certain patterns or anomalies of temperature progress can be correlated to other parameters for example ambient temperature. This is not the temperature of the motor.
  • the number of position changes can be counted to determine maintenance intervals. Maintenance may also be necessary as a precautionary measure if the switch has performed a certain number of position changes. Even if, for example, other sensors do not indicate any problems, it may be necessary to check that there is enough lubrication.
  • the time required to shift the switch is directly proportional with the health state of the point machine.
  • the occurrence of increased vibrations can also be a sign of progressive wear. It is also possible that increased vibrations are triggered when mechanical parts are jammed. In any case, the increase in vibration indicates the need for maintenance.
  • a mathematical model can be based on the above-mentioned parameters to estimate the future values of the different parameters and gives an estimate of the future health state of the point machine.
  • a movement of the actuating assembly can be detected. Based on the initiation of the movement one is able to capture the time the device operates. This can be compared with the vibration characteristics, especially the duration of the vibration causes by a position change.
  • Image information can be evaluated to make assessments about the condition of the actuator assembly. This does not only concern the optical condition of the actuator assembly, but also the time consumed to perform a position change (this requires a sequence of images). However, the time for a position change can also be determined differently, for example by means of the vibration sensor as mentioned above.
  • a point machine comprising an actuating assembly and a cover covering the actuating assembly, the cover including the features described above, also solves the mentioned problem and has the same advantages as mentioned above.
  • the problem is also solved by a method for providing a monitoring of a point machine, comprising the steps for:
  • One of the advantages of the method is that it reduces cost and time by connecting the cover to the existing point machine system without any modifications.
  • an apparatus for storing and/or providing the computer program product.
  • the apparatus is a storage medium that stores and/or provides the computer program product.
  • the apparatus is, for example, a network service, a computer system, a server system, in particular a distributed computer system, a cloud-based computer system and/or virtual computer system, which stores and/or provides the computer program product preferably in the form of a data stream.
  • a point machine PM is shown in Figure 1 .
  • An actuator assembly AA is illustrated which is covered by a cover CV.
  • the cover CV is equipped with a monitoring device MD which allows for the monitoring of the action of the point machine PM.
  • the monitoring device MD comprises the following function elements:
  • a Cloud CL which realizes a cloud computing environment for providing a cloud service.
  • the cloud changes data via radio connections RC with the calculating module CM and a control center CC.
  • the Control Center CC performs a maintenance management for the point machine PM and further functional units, e.g. point machines, not shown in Figure 1 .
  • the central function element is the calculation module CM which contains a processor for modifying sensor data acquired by a sensor S (which represents one or a plurality of sensors, e. g. the optical sensor IS and/or the vibration sensor VS and/or the temperature sensor TS and/or other sensors not depicted in Figure 2 ) connected by means of an interface S1 to the calculating module CM.
  • the calculation module CM triggers and controls the processes to be performed by the monitoring device MD.
  • the acquired and calculated data can be stored in a memory module MM connected by means of an interface S2 to the calculating module CM.
  • the data can be transmitted by the radio module RM connected by means of an interface S3 to the calculating module CM and then to an external entity like the cloud CL of Figure 1 .
  • the radio module RM comprises a controller CR and an antenna AT which is driven by the controller CR using a transmission standard.
  • the energy harvesting module EH connected by means of an interface S4 to the calculating module CM provides electrical energy to the calculating module CM, which supplies the sensor S, the memory module MM and the radio module RM with this energy.
  • the energy harvesting module EH comprises a solar cell SC and an energy storage unit ES for providing energy constantly (e.g. also in the night).
  • FIGs 3 to 5 represent selected steps of the method of the disclosure.
  • the production of the cover CV to be retrofitted (kit for retrofitting KR) is depicted.
  • This cover is equipped with the monitoring device MD in the inner side of the cover CV whereby the interface IF is located on the outer side of the cover CV.
  • This kit for retrofitting may be used for the point machine PM of Figure 1 and may contain the functional elements of figure 2 .
  • an existing cover ECV covering the actuating assembly AA is removed from the point machine PM in a disassembly step DA, as depicted in Figure 3 .
  • a retrofitting step RS the equipped cover CV is placed above the actuating assembly AA.
  • the temperature sensor TS is mounted on the actuating assembly AA.
  • the length of the cable CB which is connecting the temperature sensor TS to the monitoring device MD is sufficient to provide freedom of movement to the cover to be placed above the actuating assembly AA.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Testing And Monitoring For Control Systems (AREA)
EP20166434.9A 2020-03-27 2020-03-27 Abdeckung zur montage an einem weichenantrieb und verfahren zur überwachung eines weichenantriebs Pending EP3885234A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20166434.9A EP3885234A1 (de) 2020-03-27 2020-03-27 Abdeckung zur montage an einem weichenantrieb und verfahren zur überwachung eines weichenantriebs

Applications Claiming Priority (1)

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EP20166434.9A EP3885234A1 (de) 2020-03-27 2020-03-27 Abdeckung zur montage an einem weichenantrieb und verfahren zur überwachung eines weichenantriebs

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EP3885234A1 true EP3885234A1 (de) 2021-09-29

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EP20166434.9A Pending EP3885234A1 (de) 2020-03-27 2020-03-27 Abdeckung zur montage an einem weichenantrieb und verfahren zur überwachung eines weichenantriebs

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4342764A1 (de) * 2022-09-20 2024-03-27 voestalpine Signaling Austria GmbH Verfahren zum überwachen einer schienenweiche sowie weichenantrieb

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015212958A1 (de) * 2015-07-10 2017-01-12 Siemens Aktiengesellschaft Streckenseitige eisenbahntechnische Vorrichtung und Verfahren zur Erfassung einer Benutzung wenigstens einer streckenseitigen Komponente einer Eisenbahnanlage
EP3269615A1 (de) 2016-07-14 2018-01-17 Thales Management & Services Deutschland GmbH Weichenantrieb, weichenantriebsüberwachungssystem, verwendung eines faseroptischen sensors zur prädiktiven wartung eines weichenantriebs und verfahren zur prädiktiven wartung eines weichenantriebs
EP3375691A1 (de) * 2017-03-14 2018-09-19 Comesvil S.p.A. Überwachungssystem für eine eisenbahninfrastruktur
DE102017217414A1 (de) * 2017-09-29 2019-04-04 Siemens Mobility GmbH Verfahren zum Ermitteln einer Stellkraft basierend auf Schallemissionsmessungen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015212958A1 (de) * 2015-07-10 2017-01-12 Siemens Aktiengesellschaft Streckenseitige eisenbahntechnische Vorrichtung und Verfahren zur Erfassung einer Benutzung wenigstens einer streckenseitigen Komponente einer Eisenbahnanlage
EP3269615A1 (de) 2016-07-14 2018-01-17 Thales Management & Services Deutschland GmbH Weichenantrieb, weichenantriebsüberwachungssystem, verwendung eines faseroptischen sensors zur prädiktiven wartung eines weichenantriebs und verfahren zur prädiktiven wartung eines weichenantriebs
EP3375691A1 (de) * 2017-03-14 2018-09-19 Comesvil S.p.A. Überwachungssystem für eine eisenbahninfrastruktur
DE102017217414A1 (de) * 2017-09-29 2019-04-04 Siemens Mobility GmbH Verfahren zum Ermitteln einer Stellkraft basierend auf Schallemissionsmessungen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4342764A1 (de) * 2022-09-20 2024-03-27 voestalpine Signaling Austria GmbH Verfahren zum überwachen einer schienenweiche sowie weichenantrieb
WO2024062380A1 (de) * 2022-09-20 2024-03-28 Voestalpine Signaling Austria Gmbh Verfahren zum überwachen einer schienenweiche sowie weichenantrieb

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