EP3194228A1 - Procédé et dispositif de commande destinés au dégivrage de véhicule ferroviaire - Google Patents

Procédé et dispositif de commande destinés au dégivrage de véhicule ferroviaire

Info

Publication number
EP3194228A1
EP3194228A1 EP15756628.2A EP15756628A EP3194228A1 EP 3194228 A1 EP3194228 A1 EP 3194228A1 EP 15756628 A EP15756628 A EP 15756628A EP 3194228 A1 EP3194228 A1 EP 3194228A1
Authority
EP
European Patent Office
Prior art keywords
brake
icing
brake actuators
pressure
piston
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Withdrawn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
EP15756628.2A
Other languages
German (de)
English (en)
Inventor
Rüdiger ZENZ
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 AG Oesterreich
Original Assignee
Siemens AG Oesterreich
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 AG Oesterreich filed Critical Siemens AG Oesterreich
Publication of EP3194228A1 publication Critical patent/EP3194228A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/002—Air treatment devices
    • B60T17/006—Anti-frost devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature

Definitions

  • the invention relates to a method for deicing brake actuators of a rail vehicle, wherein the
  • Brake actuators from a rest position in which the brake actuators are opened can be moved to a braking position in which a closing force on the
  • Brake actuators is exercised, as well as a
  • Brake actuators generate a frictional force against a rotatable, braked component of a brake.
  • Brake actuators may be, for example, brake calipers, calipers, brake pads or brake shoes used in friction brakes such as disc or pad brakes.
  • Rail vehicles are usually equipped with several braking systems, of which the friction brake is classified as particularly safety-relevant.
  • the friction brake is classified as particularly safety-relevant.
  • Friction brake converts the kinetic energy
  • brake actuators such as brake calipers or
  • Brake blocks against a counterpart for example a
  • brake systems should be inexpensive and easy to retrofit.
  • De-icing position are moved, in which one of the
  • Brake actuators is exercised to solve a glaciation
  • the braking position refers to a position in which the brake actuators contact their counterpart, for example a brake disk, and a force proportional to the closing force is exerted on the counterpart.
  • Under rest position is understood a position in which the brake actuators do not contact the counterpart and no closing force is exerted on them.
  • Defrosting position can cause icing of the brake actuators resulting from the melting of snow and ice due to the evolution of heat during a braking operation and the
  • Braking system is given at any time.
  • one embodiment provides that the opening force or closing force exerted on the brake actuators is generated via a piston which is guided in a brake cylinder.
  • Cylinder / piston principle is a proven principle of rail vehicle technology, which works reliably and is easy to manufacture and assemble.
  • the piston divides the brake cylinder into two chambers and the opening force or closing force of the piston is achieved by a change in the pressure in at least one of the chambers.
  • An embodiment of the brake cylinder as a double-acting cylinder, wherein the piston on both sides respectively in both chambers formed with pressure
  • Pressure change leads to a movement of the piston or to build up an opening or closing force.
  • the pressure change can take place either continuously or stepwise.
  • Existing brake systems with single-acting cylinders can be easily converted to double-acting cylinders.
  • a third pressure level prevails in the same chamber, which is higher than the first one Pressure level.
  • the braking force is generated by a spring element, which is arranged in one of the two chambers. In the rest position that chamber without spring element is acted upon by the first pressure level, so that the spring element is biased and the brake actuators are opened. In order to move the brake actuators from the rest position to the braking position, the pressure level is lowered to the second pressure level, so that the spring element relaxes and exerts the closing force on the piston. To the brake actuators from the rest position in the
  • the medium used for pressure build-up is liquid or gaseous, preferably
  • Liquid media have the advantage that they are usually incompressible, but these can only be used in a certain temperature range because of their viscosity.
  • gaseous media are compressible, compressed air, for example, can be produced at any time and there are no temperature limits relevant to the process.
  • a particularly preferred embodiment provides that the movement of the brake actuators from the rest position to the defrosting position in the opposite direction as the movement in the braking position.
  • Counterpart for example, a brake disc, as in the rest position.
  • the brake actuators by 1 to 8 mm, preferably 2 to 6 mm, from the rest position in the
  • the opening force is between 20 and 50 kN, preferably between 30 and 40 k. Experience has shown that this force is sufficient to be used in practice
  • the initially asked task is also by a
  • De-icing position are movable.
  • An actuator or an actuator serves to apply the required closing or opening force.
  • the actuator is connectable to the brake actuators, with other elements between the
  • Actuator and the brake actuators can be arranged. Connectable refers in this context on the power flow, which must be forwarded to the brake actuators themselves.
  • Actuator is the distance between the rest position and the defrosting position of the brake actuators between 1 and 8 mm, preferably 2 and 6 mm. As a result, a movement is generated which ruptures and splinters the icing, whereby the splintering ice from the
  • Brake actuators are in the braking position, so
  • an alternative embodiment of the invention provides that the piston divides the brake cylinder into two chambers and a spring element is arranged in the first chamber and a first pressure supply line in the second chamber wherein the spring element in the defrosting position has a higher bias than in the rest position. It is of course equally conceivable that the first and second chambers are reversed or even in the spring element having chamber, a second pressure supply line is provided. According to a further preferred embodiment variant of the actuating device, the piston divides the brake cylinder into two chambers and a corresponding pressure supply line is arranged in each chamber.
  • a double-acting cylinder in which a pressure build-up in each of the two chambers is possible and thus the piston can exert both a closing force and a closing force counteracting the opening force on the brake actuators.
  • a spring element can be arranged in at least one of the chambers, which exerts a bias on the piston in at least one position.
  • Actuating device at least one valve is provided which is connected on the one hand with the pressure supply lines and on the other hand connected to a pressure source.
  • a pressure source such as a pressure circuit or a pressure vessel connected to a compressor, can be used in a simple manner to pressurize both pressure supply lines.
  • a particularly preferred embodiment provides that via only one valve, depending on the desired position of the piston, the pressure supply lines are releasable and closable. The position of the valve thus makes it possible to pressurize only one pressure supply while the other remains closed. As a result, a separate control of the pressure lines is achieved.
  • valve position in which no the two pressure supply lines is pressurized, so both are closed or a valve position in which both pressure supply lines are open.
  • the desired position of the piston refers to the rest, brake or
  • Another particularly preferred embodiment provides that in the braking position of the piston, the first
  • valve is electromagnetic
  • valve can be controlled and the valve is preferably a 4/2-way valve.
  • the electromagnetic control makes it possible to change the valve position
  • a 4/2-way valve a valve with four ports, including a vent port and two different valve positions, is particularly well-suited for pressurizing a double-acting cylinder.
  • other valves are conceivable that have more connections or allow valve positions.
  • Fig. Lb an actuator of an active
  • Fig. Lc an actuator of an active
  • Fig. 2a is an actuating device of a passive
  • Fig. 2b is an actuating device of a passive
  • Fig. 2c an actuator of a passive
  • Embodiment is designed as a brake caliper 1. Also on the representation of a counterpart, such as a brake disc, which must forcibly have a friction surface and is attached to an axle of the rail vehicle, was omitted for the same reason. It goes without saying, however, that the second brake caliper of a pair of brake calipers analogous to that in the sequence described brake caliper 1 can be actuated or otherwise trained brake actuators 1 work on the same principle.
  • brake caliper 1 is shown only schematically and consists of a friction surface 15, a molded part, which is mounted on a rotary joint, and a lever on which an actuator engages. It is one
  • Brake caliper 1 possible, in particular a crossover on the rotary joint, but the embodiments have no effect on the functioning of the invention.
  • Figures la, b, c relate to a so-called active braking system of a rail vehicle. There is one
  • Brake cylinder 6 is provided, in which a piston 5 is guided.
  • the piston 5 divides the brake cylinder 6 while in a first chamber 7 and a second chamber 8 and is connected to the
  • valve 12 which here as a 4/2-way valve
  • the valve 12 is connected for this purpose on the one hand with a pressure source 13, for example a high pressure line or a high pressure system or a compressor, and the discharge side with a first pressure supply line 9 and a second pressure supply line 11.
  • Fig. La shows an active braking system described above, in which the brake caliper 1 with its friction surface 15 is in the rest position 2. In this case, none of the chambers 7.8 is pressurized and a, in the second chamber. 8
  • Brake caliper 1 or its friction surface 15 is not engaged with the counterpart, for example, the friction surface of a
  • the friction surface 15 of the brake caliper preferably between 2 and 6 mm, away from its counterpart, for example, the friction surface of a brake disc (thus enters the defrost position 4, which is here for the friction surface 15 left of the rest position 2) and exercises one to
  • FIGS. 2a, b, c show an alternative
  • Brake system a passive braking system, like a
  • the second chamber 8 is pressurized, so that a arranged in the first chamber 7 spring element 14 has a bias, as shown in Fig. 2a can be seen.
  • the brake cylinder 6 is designed as a single-acting cylinder, so that only the second
  • Chamber 8 has a pressure supply line 9.
  • the pressure feed line 9 is connected to a pressure source 13, whereby the arrangement of valves is conceivable, e.g. a valve 12 as in Fig. La.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un procédé destiné au dégivrage d'actionneurs de freinage (1) d'un véhicule ferroviaire, les actionneurs de freinage (1) pouvant être déplacés d'une position de repos (2) dans laquelle les actionneurs de freinage (1) sont ouverts, à une position de freinage dans laquelle une force de fermeture (FS) est exercée sur les actionneurs de freinage (1). Le dégivrage des actionneurs de freinage (1), même en cours de fonctionnement, est obtenu en ce que les actionneurs de freinage (1) sont déplacés de la position de repos (2) à une position de dégivrage dans laquelle une force d'ouverture (FO) qui agit à l'encontre de la force de fermeture (FS), est exercée sur les actionneurs de freinage (1) en vue de détacher un givrage.
EP15756628.2A 2014-09-18 2015-08-27 Procédé et dispositif de commande destinés au dégivrage de véhicule ferroviaire Withdrawn EP3194228A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50656/2014A AT516356A1 (de) 2014-09-18 2014-09-18 Verfahren und Betätigungsvorrichtung zur Enteisung eines Schienenfahrzeuges
PCT/EP2015/069599 WO2016041760A1 (fr) 2014-09-18 2015-08-27 Procédé et dispositif de commande destinés au dégivrage de véhicule ferroviaire

Publications (1)

Publication Number Publication Date
EP3194228A1 true EP3194228A1 (fr) 2017-07-26

Family

ID=54012202

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15756628.2A Withdrawn EP3194228A1 (fr) 2014-09-18 2015-08-27 Procédé et dispositif de commande destinés au dégivrage de véhicule ferroviaire

Country Status (4)

Country Link
EP (1) EP3194228A1 (fr)
AT (1) AT516356A1 (fr)
RU (1) RU2666615C1 (fr)
WO (1) WO2016041760A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108394A1 (fr) * 2018-11-29 2020-06-04 中车长春轨道客车股份有限公司 Procédé et dispositif antigel pour dispositif de freinage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4245620A1 (fr) * 2022-03-16 2023-09-20 Dellner Bubenzer Aktiebolag Système de freinage, procédé mis en oeuvre par ordinateur pour la commande d'un système de freinage d'un véhicule ferroviaire, programme informatique et support de données non volatiles

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JP4719700B2 (ja) * 2007-02-13 2011-07-06 本田技研工業株式会社 電動駐車ブレーキ装置における凍結検出装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020108394A1 (fr) * 2018-11-29 2020-06-04 中车长春轨道客车股份有限公司 Procédé et dispositif antigel pour dispositif de freinage

Also Published As

Publication number Publication date
RU2666615C1 (ru) 2018-09-11
WO2016041760A1 (fr) 2016-03-24
AT516356A1 (de) 2016-04-15

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