WO2016206842A1 - Système et procédé d'alimentation électrique d'unités fonctionnelles décentralisées - Google Patents

Système et procédé d'alimentation électrique d'unités fonctionnelles décentralisées Download PDF

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Publication number
WO2016206842A1
WO2016206842A1 PCT/EP2016/059772 EP2016059772W WO2016206842A1 WO 2016206842 A1 WO2016206842 A1 WO 2016206842A1 EP 2016059772 W EP2016059772 W EP 2016059772W WO 2016206842 A1 WO2016206842 A1 WO 2016206842A1
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WO
WIPO (PCT)
Prior art keywords
network node
snd
units
switch
bus
Prior art date
Application number
PCT/EP2016/059772
Other languages
German (de)
English (en)
Inventor
Martin Hediger
Anton Reichlin
Daniel Sigg
Original Assignee
Siemens Schweiz 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 Siemens Schweiz Ag filed Critical Siemens Schweiz Ag
Priority to EP16722583.8A priority Critical patent/EP3313709B1/fr
Publication of WO2016206842A1 publication Critical patent/WO2016206842A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/06—Interlocking devices having electrical operation
    • 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
    • B61L27/70—Details of trackside communication

Definitions

  • the present invention relates to a system and method for supplying decentralized functional units with electrical energy arranged in an industrial plant.
  • train-influencing units To control vehicle influencing and / or vehicle monitoring units and to monitor the functionality and to record process data and report back to a central control and / or monitoring center, such as a control center or a signal box.
  • a central control and / or monitoring center such as a control center or a signal box.
  • Process variables of the moving train such as
  • Monitoring units can also use balises and
  • the present invention relates to all industrial installations in which functional
  • Units are distributed over longer distances and still need to be controlled centrally.
  • the central controller can be perceived by a stationary control center, but also by a non-stationary virtual control center.
  • Transport network arranged decentralized
  • Control system is coupled via at least one network access point on the data transport network
  • Network access point are connected, wherein:
  • the subnetwork of each of the subgroups at each of its two ends is coupled to the data transport network via a communication unit and via a network access point.
  • a digital data transport network can be used for the coupling of the decentralized functional units, which is robust in each case against a simple error event, yet a very skillful use of very widely used in railway engineering copper cables, for example, previously available interlocking cables, and finally requires only a relatively small number of network access points.
  • Such a device is in particular
  • Control system is coupled via at least one network access point on the data transport network
  • Examples are the energy management for buildings or for large plants in the producing or
  • the SNDs can interrupt or bypass the power bus, as well as measure currents and voltages in the power bus.
  • Supply sides can be covered in certain cases, an interruption. As already mentioned, such an interruption does not lead to failures of connected consumers in a first error case. However, if there is already an undetected break between two
  • Network node unit is present, another
  • interruptions in the bus must be detected within a reasonable time and corrected accordingly, so that e.g. During installation work, it is not by mistake that part of the system is disconnected from the mains.
  • the present invention is therefore based on the object of specifying a system and a method for supplying arranged in an industrial plant decentralized functional units with electrical energy, in the interruptions in the power bus or faulty
  • Network node units in particular their switching modules, reliable and quickly detectable, so
  • Data telegrams exchanges information via a data bus
  • Supply points of a ring-shaped power bus are arranged, which provide the decentralized functional units access to the power bus and optionally to the data bus,
  • Have switching module comprising a first switch and a second switch, with the two switches each having an access to the two feed points is switchable d) the first switch and / or the second switch are optionally apparent and one falling over the inputs of the power bus in the network node unit
  • Data telegrams exchanges information via a data bus
  • Supply points of a ring-shaped power bus are arranged, the decentralized functional units access to the power bus and optionally to the
  • Switching module comprising a first switch and a second switch, wherein the two switches each have access to the two feed points
  • the first switch and / or the second switch is selectively opened and a falling over the inputs of the power bus in the network node unit
  • an evaluation module which evaluates the measured voltage within a network node unit and / or under adjacent network node units to an interruption of the power bus and / or a faulty switching module out. In this way, a system and method are created with which it can be evaluated based on the evaluation of the voltages across the switches within a
  • Network node unit or adjacent network node units is possible to safely detect interruptions of the power bus and / or faulty switches of network node units.
  • Connections is interrupted or if one of the switches has a fault.
  • the voltage values measured on a network node unit can be transmitted via the data bus to an adjacent network node unit and / or the higher-order control system.
  • the data can be accumulated in a suitable manner where their evaluation is provided by means of the evaluation module.
  • Evaluation module is rather an evaluation instance, because the evaluation of the voltage values is done by software and therefore the required hardware for this purpose in a suitable place, such as in the parent Control system (eg the interlocking) or else can be arranged on a master network node unit.
  • a monitoring cycle for the successive opening of the two switches for each network node unit can be provided by means of a successive processing of the network node units starting at one of the two feed points.
  • Network node unit by means of a successive processing of the network node units starting at the im
  • Node unit and then be provided in two-sided extent to the feeding points.
  • Monitoring cycle periodically executed at appropriate intervals or by a network node units or by the higher-level control system, if necessary
  • a typical implementation case for the industrial plant may be a railway network. Accordingly, then by means of the decentralized functional units
  • Traffic monitoring and traffic control units in particular signals, switches (W), axle counters,
  • FIG. 1 shows a schematic view of a
  • Figure 2 is a schematic view of a network node unit for connecting a decentralized network node unit.
  • FIG. 3 is a schematic view of the voltage curve over the power bus in normal operation
  • FIG. 4 shows a schematic view of the voltage curve over the power bus for two types of interruptions
  • Figure 5 shows a schematic view of the voltage curve over the power bus for two hidden interruptions in the power bus.
  • Figure 1 shows schematically a interlocking architecture with a system Sys, which i.a. a signal box STW, a redunant degraded data backbone NB1, NB2, a
  • the interlocking STW controls the train traffic on a track section G, in which here, for example, signals S, points W, a
  • Functional units E are connected to the annular data bus CB in such a way that over each side of the annular data bus CB accessing the
  • Data backbones NB1 and NB2 is given.
  • the data bus CB coupled with corresponding routers / switches SW to the respective data backbone NB1, NB2.
  • FIG. 2 shows schematically the data
  • Controller unit E of a train control component here for example a switch W, to the data bus CB and the power bus EB.
  • a train control component here for example a switch W
  • Such an attachment point comprises a network node unit SND, a communication unit SCU and the actual element controller EC.
  • Communication unit SCU is used for data exchange over both branches of the data bus CB.
  • the network node unit SND is provided which couples to both branches of the power bus EB.
  • the network node unit SND controls and monitors the
  • Energy bus EB detects current overshoots within the power bus and at the connected consumer (SPU with EC). In redundant manner, it is always supplied from two sides with electrical energy and therefore has in a switching module S via a left switch Sl and a right switch S2 and a load switch S3 to the supply unit SPU of the element controller EC.
  • the switching module S also includes a control and / or evaluation logic SL that is used, for example, for measuring the voltages and / or currents at the inputs of the power bus EB in the network node unit SND.
  • the network node unit SND also supplies the
  • Communication unit SCU with voltage and can use this also via an Ethernet connection data
  • Network node unit SND and the supply unit SPU e.g. in the form of a serial RS 422, provided.
  • Energy-technically typical here is, for example, a three-phase connection with 400 VAC.
  • Controller EC controls and supplies the switch W in FIG. 2 in the present case.
  • the element controller EC receives data telegrams from a higher-level one
  • Communication unit SCU the feedback to the
  • FIG. 3 now shows the voltage curve over the
  • Energy bus EB in which here seven network node units SND1 to SND7 are connected, in normal operation.
  • an energy center will be set at which the power is sourced from both supply points SP1 and SP2. Up to this center, the energy in the bus is supplied by only one feeder SP1 or SP2; it only flows in one direction. This results in the following failure scenarios: a) interruptions at any point in the
  • Network node unit SND as indicated in Figure 4 with the letter B for an interruption in SND2.
  • Network node units SNDl to SND7 both stream and
  • each network node unit SND there is a "switch left”, through which the current I flows from right to left, and a “switch right”, through which the current flows to the right.
  • switch left through which the current I flows from right to left
  • switch right through which the current flows to the right.
  • Bus switch that conducts in both directions.
  • the connected supply units SPU can bridge a voltage interruption of about 20 ms.
  • Circuit costs are operated to put test signals on the data bus CB and receive and
  • the network node units SND1 to SND7 present in the energy bus EB can carry out the test procedure autonomously on the basis of a defined time sequence. This is the
  • Network node units assigned a fixed time based on the position in the power bus EB, to which they
  • the network node unit SND can determine the state of the power bus EB by briefly separating the switches S1 and S2.
  • SND2 and SND3 measure different bus voltages at their bus inputs.
  • Switch is defective, different bus voltages at the two voltage measuring points at the bus inputs. The difference is greater than the voltage drop across the Switches Sl, S2 itself. This case can be seen during operation without much effort.
  • the interruption detection system regularly checks for obvious interruptions according to letters (A) and (B) in the energy bus EB. This can also be realized, for example, by adjacent SNDs exchanging their current / voltage measured values and reporting an interruption in the case of irregularities. If
  • the SND in the electrical bus center in this case SND4, separates the switches S1 and S2 for both directions. If at both inputs of the switch module S the voltage does not change significantly, the cables to the two adjacent SND are intact and the next SND can be tested.
  • SND5 disconnects "switch left” which causes SND4 to be fed only from the left and the two inputs on SND5 need to measure different voltage values If the voltage on the left input of SND5 completely collapses, or is below the minimum allowed threshold "Switch right" of SND4 defective (defect (D)) Otherwise, the next SND can be checked.
  • SND6 disconnects "switch left” which causes SND5 to be fed only from the left and the two inputs of the switch module on SND6 need to measure different voltage values If the voltage on the left of SND6 is completely close together SND5 is "switch right" malfunction. Otherwise, the next SND can be checked.
  • SND3 can continue to work in the left direction.
  • SND3 would open “switch right”.
  • Defect (F) would be revealed when "switch left” is opened by SND 1.
  • the check routine can also be used with bi-directionally conductive semiconductor elements, then there is only one bus switch that conducts in both directions.
  • this test run is stopped immediately and the error is displayed by the SND by means of data telegrams and reported to the other SND and / or the interlocking STW and / or another related diagnosis device. Until one
  • interruption leads to a brief voltage interruption in the Element Controller Units E, which lie between the SND currently being tested and the interruption. For this reason, the switches must not be left open for more than 10 ms within the scope of the assumption made above for a 20 ms seized power supply. For the exact localization of the interruption, the entire energy bus EB must also be run through, each SND must briefly open its switches S1 and / or S2. The interruption is reported, and again, no

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

L'invention concerne un système et un procédé d'alimentation électrique d'unités fonctionnelles décentralisées (E) agencées dans une installation industrielle. Selon l'invention, a) le système comprend un système de commande maître (STW) qui échange des informations avec les unités fonctionnelles décentralisées (E) par l'intermédiaire de datagrammes sur un bus de données (CB, NB1, NB2), b) des unités de noeuds de réseau (SND) sont agencées en série entre deux points d'alimentation (PS1, PS2) d'un bus d'alimentation (EB) de configuration annulaire, et fournissant aux unités fonctionnelles décentralisées (E) l'accès au bus d'alimentation (EB) et éventuellement l'accès au bus de données (CB), c) les unités de noeuds de réseau (SND) disposent d'un module de commutation (S) piloté, qui comprend un premier commutateur (S1) et un second commutateur (S2), les deux commutateurs (S1, S2) commandant respectivement un accès aux deux points d'accès (PS1, PS2), d) le premier commutateur (S1) et/ou le second commutateur (S2) peuvent être ouverts sélectivement et une chute de tension au niveau des entrées du bus d'alimentation dans les unités de noeuds de réseau est mesurable; et e) le système comprend un module d'analyse (CPU, SL) qui analyse la tension mesurée dans une unité de noeud de réseau (SND) pour détecter une coupure du bus d'alimentation (EB) et/ou une défaillance du module de commutation (S).
PCT/EP2016/059772 2015-06-25 2016-05-02 Système et procédé d'alimentation électrique d'unités fonctionnelles décentralisées WO2016206842A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16722583.8A EP3313709B1 (fr) 2015-06-25 2016-05-02 Système et procédé d'alimentation électrique d'unités fonctionnelles décentralisées

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EP15173810.1A EP3109125A1 (fr) 2015-06-25 2015-06-25 Système et procédé d'alimentation d'unités de fonctionnement décentralisées en énergie électrique
EP15173810.1 2015-06-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107499141A (zh) * 2017-09-20 2017-12-22 中国重汽集团济南动力有限公司 一种多轴轮边驱动电动汽车用分布式高压系统
EP3415399B1 (fr) 2017-06-16 2019-10-23 Siemens Mobility AG Système d'alimentation à sureté intégrée d'un consommateur électrique à l'aide d'un bus d'énergie redondant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2018835B1 (nl) * 2016-05-05 2018-02-14 Volkerrail Nederland Bv Relaishuis of relaiskasthuis met EtherCat systeem.
EP3822145B1 (fr) * 2019-11-13 2023-10-04 Siemens Mobility AG Procédé et système pour traiter une chaine d'appareils d'aiguillage

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Publication number Priority date Publication date Assignee Title
EP2301202A1 (fr) 2007-05-24 2011-03-30 Siemens Schweiz AG Dispositif de commande et/ou de surveillance et de demande de données d'unités fonctionnelles décentralisées le long d'un réseau de communication
EP2549620A2 (fr) * 2011-07-22 2013-01-23 Siemens Schweiz AG Dispositif de fonctionnement d'unités de fonction décentralisées et agencées dans une installation industrielle
EP2674346A1 (fr) * 2012-06-13 2013-12-18 Siemens Schweiz AG Procédé et système d'approvisionnement de puissance électrique pour des éléments de voie décentralisés d'un réseau de voies ferrées
EP2821313A2 (fr) * 2013-07-02 2015-01-07 Siemens Schweiz AG Dispositif et procédé de fonctionnement d'unités fonctionnelles disposées de façon décentralisée

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Publication number Priority date Publication date Assignee Title
EP2301202A1 (fr) 2007-05-24 2011-03-30 Siemens Schweiz AG Dispositif de commande et/ou de surveillance et de demande de données d'unités fonctionnelles décentralisées le long d'un réseau de communication
EP2549620A2 (fr) * 2011-07-22 2013-01-23 Siemens Schweiz AG Dispositif de fonctionnement d'unités de fonction décentralisées et agencées dans une installation industrielle
WO2013013908A2 (fr) 2011-07-22 2013-01-31 Siemens Schweiz Ag Dispositif permettant de faire fonctionner des unités fonctionnelles décentralisées disposées dans une installation industrielle
EP2674346A1 (fr) * 2012-06-13 2013-12-18 Siemens Schweiz AG Procédé et système d'approvisionnement de puissance électrique pour des éléments de voie décentralisés d'un réseau de voies ferrées
EP2821313A2 (fr) * 2013-07-02 2015-01-07 Siemens Schweiz AG Dispositif et procédé de fonctionnement d'unités fonctionnelles disposées de façon décentralisée

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3415399B1 (fr) 2017-06-16 2019-10-23 Siemens Mobility AG Système d'alimentation à sureté intégrée d'un consommateur électrique à l'aide d'un bus d'énergie redondant
CN107499141A (zh) * 2017-09-20 2017-12-22 中国重汽集团济南动力有限公司 一种多轴轮边驱动电动汽车用分布式高压系统

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Publication number Publication date
EP3313709A1 (fr) 2018-05-02
EP3109125A1 (fr) 2016-12-28
EP3313709B1 (fr) 2019-06-26

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