EP3077673A1 - Système de compresseur destiné à un véhicule ferroviaire et procédé permettant de faire fonctionner le système de compresseur dans un mode d'urgence fiable - Google Patents

Système de compresseur destiné à un véhicule ferroviaire et procédé permettant de faire fonctionner le système de compresseur dans un mode d'urgence fiable

Info

Publication number
EP3077673A1
EP3077673A1 EP14808924.6A EP14808924A EP3077673A1 EP 3077673 A1 EP3077673 A1 EP 3077673A1 EP 14808924 A EP14808924 A EP 14808924A EP 3077673 A1 EP3077673 A1 EP 3077673A1
Authority
EP
European Patent Office
Prior art keywords
pressure
compressor
speed
compressed air
control 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.)
Withdrawn
Application number
EP14808924.6A
Other languages
German (de)
English (en)
Inventor
Thomas Kipp
Gert Assmann
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.)
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Schienenfahrzeuge 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 Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Publication of EP3077673A1 publication Critical patent/EP3077673A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/021—Measuring and recording of train speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2205/00—Communication or navigation systems for railway traffic
    • B61L2205/04—Satellite based navigation systems, e.g. global positioning system [GPS]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0209—Rotational speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet

Definitions

  • the invention relates to a compressor system for a rail vehicle, comprising a driven by an electric machine via a drive shaft compressor for generating compressed air for at least one compressed air tank, the electric machine at least indirectly via a control device for operating the electric machine with at least one between a maximum speed and a minimum speed located nominal speed is controllable, wherein at least one pressure sensor for determining the pressure for the control device is further arranged in a downstream of the compressor arranged compressed air line leading. Furthermore, the invention also relates to a method for controlling the compressor system according to the invention.
  • Compressors in rail vehicles are subject to many and sometimes contradictory requirements, such as high delivery performance, sufficient switch-on durations, low noise emissions, low energy consumption, small installation space and low start-up and live-cycle costs.
  • requirements such as high delivery performance, sufficient switch-on durations, low noise emissions, low energy consumption, small installation space and low start-up and live-cycle costs.
  • the typical problem in designing a compressor is to find the best compromise between these requirements, which is acceptable in all operating conditions of the rail vehicle.
  • compressors are used in rail vehicles, which are electrically driven. The compressors are operated in on / off operation between the lower engagement pressure and the upper shutdown pressure at a constant speed, the so-called rated speed.
  • the compressor is dimensioned so that a specified refilling time is reached and a minimum duty cycle during operation is not undershot.
  • an actuator for continuously influencing the rotational speed of the electric machine between an electrical supply and the electric machine is arranged, wherein the actuator is controllable via the control device, and wherein in the downstream of the compressor arranged compressed air line leading a pressure switch for monitoring the pressure in the at least a compressed air tank and to influence on at least the rotational speed of the electric machine is arranged.
  • the actuator is in the bathfiuss upstream of the electric machine and is thus upstream of the electric machine.
  • the actuator allows operation of the electric machine with different Speeds.
  • frequency converters or inverters are suitable for this purpose.
  • the speed of the electric machine and thus the operation of the compressor is adjusted.
  • an increase in the error probability and the failure risk of the compressor system is provided.
  • the pressure switch for monitoring the pressure in the at least one compressed air tank, the safety of such a compressor system is increased and created the possibility of a safe emergency operation.
  • the pressure switch can indirectly influence at least the rotational speed of the electric machine.
  • the compressor can be controlled in such a way, in particular the speed of the compressor can be increased to increase the pressure in at least one compressed air tank up to a certain upper pressure.
  • the pressure switch only affects at least the speed of the compressor when the pressure reaches either the minimum pressure or the upper shut-off pressure.
  • the speed is increased, with the achievement of the upper cut-off pressure at least reducing the speed or switching off the compressor.
  • a fault in the compressor system which leads to the achievement of the minimum pressure in the at least one compressed air tank, a control operation of the compressor resumed, so that the compressor is operated at rated speed.
  • the pressure switch for the indirect influence on the speed of the electric machine with the control device is operatively connected.
  • the pressure switch forwards the generated signals to the regulating device, wherein the latter, preferably via an integrated control algorithm, supplies the rotational speed of the electric machine to the control device. adjusted signal.
  • a circuit breaker for disconnecting the regulating device and the actuator from the electric machine is connected downstream of the actuator.
  • the circuit breaker is arranged in particular between the electrical supply and the electrical machine and thus represents both a bridge between the actuator and the electric machine and between the electrical supply and the electrical machine.
  • the pressure switch is connected to the power switch via a control logic unit disposed therebetween.
  • the power switch is independent of the control device and can be operated via the control logic unit which receives signals from the pressure switch.
  • the control device preferably controls, at least indirectly, a radiator fan with radiator fan arranged downstream of the compressor, wherein a speed of the radiator fan is continuously adjustable by the control device.
  • an actuator is preferably integrated in the cooler unit.
  • the actuator of the cooler unit is at least upstream.
  • an actuator has two control outputs, so that both the electric machine and the radiator fan are controlled via a common actuator.
  • the compressor is operated with a variable, between the maximum speed and the minimum speed, each intermediate value engaging speed
  • the pressure switch monitors the pressure in the at least one compressed air tank and indirectly affects at least the speed of the electric machine.
  • the radiator unit is neither directly nor indirectly connected to the compressor, a separate control of the Cooler unit and thus a separate adjustment of the speed of the radiator fan.
  • the compressor and the radiator fan can also be switched off.
  • the control device receives upon reaching the minimum pressure in the at least one compressed air tank from the pressure switch, a signal for driving the actuator for operating the compressor with at least the rated speed until the cut-off pressure is reached.
  • the control means controls the actuator in accordance with the pressure switch.
  • the control logic unit upon reaching the minimum pressure in the at least one compressed air reservoir, the control logic unit receives a signal to drive the circuit breaker and disconnect the regulator and actuator from the electrical machine, operating the compressor at rated speed through the circuit breaker the shutdown pressure is reached.
  • a higher speed than the rated speed for the electrical machine can be generated.
  • the circuit breaker connects the electrical machine directly to the electrical supply.
  • the control device can not influence the electric machine and thus the speed of the compressor.
  • a failure or a fault of the entire control device with all associated sensors and the actuator can be counteracted.
  • the minimum pressure between the at least nominal speed when the pressure drops to the minimum pressure and when the compressor is switched off. operated switching pressure.
  • the speed of the electric machine and thus the speed of the compressor is no longer varied to maintain a relatively constant pressure in at least one compressed air tank.
  • FIG. 2 shows a block diagram of the inventive compressor system according to a second embodiment
  • a compressor system for a rail vehicle has an electric machine 1 which drives a compressor 3 via a drive shaft 2 to generate compressed air.
  • the compressed air generated by the compressor 3 is via a compressed air-carrying line 6 to a cooler unit 9 with a radiator fan 14th directed. Downstream of the radiator unit 9, a pressure sensor 7 and a temperature sensor 13b are arranged in the compressed air-carrying line 6.
  • the compressed air-carrying line 6 opens into a pre-separator 11 to which an air treatment plant 12 is connected downstream. The dried and particle-cleaned compressed air is then fed into a compressed air tank 4.
  • a pressure switch 16 for monitoring the pressure in the compressed air tank 4 and for indirectly influencing the rotational speed of the electric machine 1 and the radiator fan 14 is arranged in the compressed air line 6.
  • a temperature sensor 13 a which is arranged on the compressor 3, as the temperature sensor 13 b and the pressure sensor 7 all send the control device 5, the measured temperatures and the measured pressure.
  • the control device 5 also receives signals from other sensors (not shown here) or a train management system via a signal input 10.
  • the control device 5 is adapted to both control the speed of the radiator unit 9 and to direct signals to an actuator 8.
  • the actuator 8 has two outputs and thus also sets the speed of the radiator fan 14 through the regulating device 5.
  • the actuator 8 for continuously influencing the rotational speed of the electric machine 1 between an electrical supply 15 and the electric machine 1 is arranged.
  • the control device 5 receives upon reaching a minimum pressure e in the compressed air tank 4 from the pressure switch 16, a signal for driving the actuator 8 to operate the compressor 3 with the rated speed n until a cut-off pressure d is reached.
  • a power switch 17 for disconnecting the control device 5 and the actuator 8 of the electric machine 1 is followed by the actuator 8.
  • the pressure switch 16 is connected to the power switch 17 via a control logic unit 18 disposed therebetween.
  • the control 18 upon reaching a minimum pressure e in the compressed air tank 4 from the pressure switch 16, a signal for driving the circuit breaker 17 and separating the control device 5 and the actuator 8 from the electric machine 1.
  • the compressor 3 is then the power switch 17 with the Nenn - Speed n operated until a cut-off pressure d is reached.
  • FIG. 3 graphically illustrates the sequence described above for a pressure drop in the compressed air tank 4 measured by the pressure switch 16.
  • the compressor 3 is operated at a rotational speed between a minimum rotational speed i and the nominal rotational speed n, the pressure in the compressed air reservoir 4 held in a certain area.
  • the compressor 3 is in the area a in a regulated operation.
  • the speed is variable and situation-dependent.
  • the pressure in the compressed air tank 4 and the speed of the compressor 3 fall spontaneously. In other words, an error has occurred in the controlled operation in the region b, which leads to a measured pressure drop.
  • the pressure switch 16 Upon reaching the pressure in the compressed air tank 4 of the minimum pressure e, the pressure switch 16 reacts and increases in a range c indirectly either via the power switch 17 or via the actuator 8, the rotational speed of the electric machine 1 and thus the speed of the compressor 3 at rated speed n. Consequently, in the region c, the reaction of the pressure switch 16, which is to change the operation of the regulated operation to a non-regulated operation.
  • the non-regulated operation has two states. On the one hand the operation of the compressor 3 with the rated speed n and on the other hand, the shutdown of the compressor 3. Analogous to the operation of the compressor 3 and the cooler not shown here fan 14 is operated. After reaching a cut-off pressure d in the compressed air tank 4, the compressor 3 is turned off and only operated again at a speed between the minimum speed i and the rated speed n, so that the pressure in the compressed air tank 4 is maintained within a certain range.
  • Compressed air tank 4 the speed of the electric machine 1 and thus the speed of the compressor 3 to a maximum speed m instead of only to nominal speed n to increase.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

L'invention concerne un système de compresseur destiné à un véhicule ferroviaire et comprenant un compresseur (3) entraîné par un moteur électrique (1) par l'intermédiaire d'un arbre d'entraînement (2) pour la production d'air comprimé pour au moins un réservoir d'air comprimé (4). Le moteur électrique (1) peut être commandé au moins indirectement par un dispositif de régulation (5) permettant de faire fonctionner le moteur électrique (1) à au moins une vitesse de rotation nominale (n) située entre une vitesse de rotation maximale (m) et une vitesse de rotation minimale (i), et au moins un capteur de pression (7) permettant de déterminer la pression pour le dispositif de régulation (5) est par ailleurs agencé dans une conduite (6) acheminant l'air comprimé et agencée en aval du compresseur (3). Selon l'invention, un organe de réglage (8) permettant d'agir en continu sur la vitesse de rotation du moteur électrique (1) est agencé entre une alimentation électrique (15) et le moteur électrique (1), l'organe de réglage (8) pouvant être commandé par le dispositif de régulation (5), et un commutateur de pression (16) étant agencé dans la conduite (6) acheminant l'air comprimé et agencée en aval du compresseur (3), pour surveiller la pression dans le ou les réservoirs d'air comprimé (4) et intervenir au moins sur la vitesse de rotation du moteur électrique (1). L'invention concerne également un procédé de commande du système de compresseur selon l'invention, le compresseur (3) fonctionnant à une vitesse de rotation variable adoptant toute valeur intermédiaire entre la vitesse de rotation maximale (m) et la vitesse de rotation minimale (i), le commutateur de pression (16) surveillant la pression dans le ou les réservoirs d'air comprimé (4) et intervenant directement au moins sur la vitesse de rotation du moteur électrique (1).
EP14808924.6A 2013-12-05 2014-12-02 Système de compresseur destiné à un véhicule ferroviaire et procédé permettant de faire fonctionner le système de compresseur dans un mode d'urgence fiable Withdrawn EP3077673A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013113557.9A DE102013113557A1 (de) 2013-12-05 2013-12-05 Kompressorsystem für ein Schienenfahrzeugs und Verfahren zum Betrieb des Kompressorsystems mit einem sicheren Notlaufbetrieb
PCT/EP2014/076166 WO2015082432A1 (fr) 2013-12-05 2014-12-02 Système de compresseur destiné à un véhicule ferroviaire et procédé permettant de faire fonctionner le système de compresseur dans un mode d'urgence fiable

Publications (1)

Publication Number Publication Date
EP3077673A1 true EP3077673A1 (fr) 2016-10-12

Family

ID=52014055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14808924.6A Withdrawn EP3077673A1 (fr) 2013-12-05 2014-12-02 Système de compresseur destiné à un véhicule ferroviaire et procédé permettant de faire fonctionner le système de compresseur dans un mode d'urgence fiable

Country Status (10)

Country Link
US (1) US20170002804A1 (fr)
EP (1) EP3077673A1 (fr)
JP (1) JP6275257B2 (fr)
KR (1) KR20160093649A (fr)
CN (1) CN105940221B (fr)
AU (1) AU2014359381B2 (fr)
CA (1) CA2932783A1 (fr)
DE (1) DE102013113557A1 (fr)
RU (1) RU2646988C2 (fr)
WO (1) WO2015082432A1 (fr)

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DE102015111287B4 (de) * 2015-07-13 2018-04-26 Gardner Denver Deutschland Gmbh Kompressor und Verfahren zu dessen Drehzahlsteuerung
DE102016100705A1 (de) * 2016-01-18 2017-07-20 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Luftversorgungsanlage
CN109236659B (zh) * 2018-10-15 2020-02-07 南京中车浦镇海泰制动设备有限公司 一种轨道交通风源系统用无油涡旋压缩机控制方法
DE102019104760A1 (de) * 2019-02-25 2020-08-27 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Luftversorgungsanlage und Verfahren zum Steuern und/oder Überwachen einer Luftversorgungsanlage
DE102019131921A1 (de) * 2019-11-26 2021-05-27 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem für ein Schienenfahrzeug und Verfahren zur Steuerung einer Kühleinrichtung eines Kompressorsystems
DE102020100296A1 (de) * 2020-01-09 2021-07-15 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem und Verfahren zum Betreiben eines Kompressorsystems in Abhängigkeit des Druckluftbedarfs eines Betriebszustands des Fahrzeugs
DE102020115300A1 (de) 2020-06-09 2021-12-09 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompressorsystem und Verfahren zur Steuerung einer Kühleinrichtung eines Kompressorsystems
DE102021118806B3 (de) 2021-07-21 2022-10-13 Pierburg Pump Technology Gmbh Verfahren zur Steuerung einer elektrisch angetriebenen Fluidpumpe für ein Fahrzeug und eine elektrisch angetriebene Fluidpumpe für ein Fahrzeug

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Also Published As

Publication number Publication date
JP6275257B2 (ja) 2018-02-07
CN105940221A (zh) 2016-09-14
DE102013113557A1 (de) 2015-06-11
AU2014359381B2 (en) 2017-09-14
CN105940221B (zh) 2018-02-06
US20170002804A1 (en) 2017-01-05
WO2015082432A1 (fr) 2015-06-11
AU2014359381A1 (en) 2016-06-23
RU2646988C2 (ru) 2018-03-13
JP2016539277A (ja) 2016-12-15
KR20160093649A (ko) 2016-08-08
CA2932783A1 (fr) 2015-06-11

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