EP3494020A1 - Fluidisches drucksystem eines fahrzeugs sowie verfahren zum betrieb eines fluidischen drucksystems eines fahrzeugs - Google Patents
Fluidisches drucksystem eines fahrzeugs sowie verfahren zum betrieb eines fluidischen drucksystems eines fahrzeugsInfo
- Publication number
- EP3494020A1 EP3494020A1 EP17783395.1A EP17783395A EP3494020A1 EP 3494020 A1 EP3494020 A1 EP 3494020A1 EP 17783395 A EP17783395 A EP 17783395A EP 3494020 A1 EP3494020 A1 EP 3494020A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- fluidic
- vehicle
- brake
- valve 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- Withdrawn
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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/665—Electrical control in fluid-pressure brake systems the systems being specially adapted for transferring two or more command signals, e.g. railway systems
Definitions
- the invention relates to a fluidic pressure system of a vehicle, in particular a rail vehicle, having a controlling arrangement, which at an output, which is connected via a fluidic line section to an input of an actuator of a consumer, an actuating pressure for actuating the actuator controls, wherein a branch from the line section a pressure-securing means is connected.
- a generic fluidic pressure system is beispielswei ⁇ se from the document DE 103 54 248 B4 known.
- the pressure-securing means is designed as a load-dependent pressure limiting valve which limits a supply pressure present at a supply connection of the controlling arrangement as a function of a load pressure.
- the invention is based on the object, the connected consumer ⁇ cher even better from overloading as a result of high operating pressure and the associated risk of his Be ⁇ damage, which can also lead to a dangerous condition to protect.
- the line section can be formed, for example, by a pipe and / or a hose and / or a flow channel incorporated into a board.
- the pressure ⁇ securing means exceeding the predetermined maximum ⁇ value of the operating pressure immediately prevented, in particular ⁇ sondere by forming an outlet to the outside, when the Be ⁇ concernedungstik the predetermined maximum value is reached, so that via the outlet into the open from the line section and from the connected actuator of the consumer very quickly fluid, preferably in the form of compressed air, is drained.
- the pressure fuse ⁇ medium as a non-reversible operating pressure securing member or as a combination of a non-reversible operating pressure protection member and a reversible processing ⁇ Tenden pressure relief member which is connected downstream of the non-reversible ar ⁇ beitenden pressure safety member renewedbil ⁇ it is.
- the pressure-securing means is as one
- the pressure-securing means may be formed as a combination of a rupture disk and a safety valve, which is connected downstream of the rupture disk.
- Rupture disc and a safety valve is used, no maintenance and service.
- This advantage is also against a possible se further exemplary of the inventive printing system in which a pressure relief means is only a safety valve for use in the so the pressure relief means is designed as a safe ⁇ safety valve.
- the pressure-securing means connected to the branch can be arranged below a car body of the vehicle, in particular when a pressure-securing means is used
- Rupture disk is used, which, in contrast to safety valves is very robust against harsh environmental conditions.
- the actuator is, for example, a brake cylinder of a brake unit of the vehicle, wherein the actuation pressure is a brake cylinder pressure which is controlled in the brake cylinder.
- the controlling arrangement comprises a Ventilein ⁇ direction, which controls an output pressure as a function of at least one pilot pressure.
- the Ven ⁇ til adopted a pressure converter, in particular a load-controlled pressure converter, or a pressure booster, in particular a load-controlled pressure converter, form, which is part of a brake system of the vehicle.
- the valve device is a non-slip valve device nach- ordered, which outputs as a function of control signals the output pressure controlled by the valve device or an output pressure lowered for anti-slip protection as the actuation pressure
- the controlling arrangement has at least one device on vorêtnde ⁇ which modulates a pilot pressure.
- the vorêtnde device can be used as an electro-fluidic control valve device, in particular as an electro-pneumatic control valve device may be formed, which modulates the pilot pressure as a function of at least one elekt ⁇ step drive signal.
- the electro-fluidic control valve device is part of a directly acting brake of a brake system of the vehicle.
- a pilot-controlling device can be designed as a fluidic control valve device, in particular as a pneumatic control valve device, which controls the pilot pressure as a function of at least one control pressure.
- the fluidic control valve device is part of an indirectly acting brake of a brake system of the vehicle.
- the fluidic pressure system of the invention is vorzugswei ⁇ se in a vehicle, in particular a rail vehicle, used.
- a controlling device which at an output of a fluidic line section is connected to an input of an actuator of a consumer, an actuating pressure for actuating the actuator controls.
- a branch is made from the line section with a pressure element connected thereto.
- securing means wherein the pressure assurance ⁇ medium prevents exceeding a predetermined maximum value of the operating pressure.
- the pressure-securing means is preferably used as a
- a brake pressure as the actuating pressure is provided via the line section of a brake cylinder as an actuator, then it is advantageously provided that at a
- Test run of a brake test the state of the rupture disk over ⁇ is checked.
- a Gleitschutzprüflauf ⁇ be performed, in which the state of a Gleitschutzventil ⁇ device, which controls the brake pressure at an output port, and the state of the rupture disk are checked.
- FIG. 2 shows the first embodiment of the invention
- FIG. 3 shows a second embodiment of the fluidic pressure system according to the invention in detail.
- the inventive vehicle F in the form of a rail vehicle, in particular a car body 1, a bogie 2, a unit 3, an inventive fluidic pressure system FD in the form of a pneumatic pressure Systems and a consumer BE shown in the form of a brake unit.
- a brake unit 4 an electronic control device 5 and a reservoir R are arranged.
- the brake unit 4 forms a pneumatic line matrix L of the printing system FD and has connections for the components of a controlling arrangement A as well as for at least one pressure detecting means 6 and for a pressure securing means 7.
- a device 8 for vehicle-wide brake control and a bus system 9 are also shown in FIG.
- the bus system 9 is used in particular for
- brake unit BE is by way of example a disc brake assembly in which a Bremszy ⁇ linder 10 constituting an actuator of the brake unit BE, one provided with brake linings 11 brake caliper 12 is actuated and in which the brake pads 11 during braking against a braking ⁇ disc 13 are pressed, which is rotatably mounted on a mounted on the bogie 2 wheel axle 14.
- Brake unit but could also be a shoe brake assembly vorgese ⁇ hen, wherein a brake master cylinder is actuated, a provided with a brake block brake linkage and in which the brake pad pressed during braking against the tread of a wheel overall.
- the printing system includes an FD Hauptluftlei ⁇ tung HLL (short HL), a main container air line HBL (short HB), the line L matrix with pneumatic jesabschnit- th LI to L14, electrical lines El to E5, the a
- the electronic control device 5 has a bus connection 5a, four electrical control outputs 5b, 5c, 5d, 5e and at least one electrical input 5f for detecting the sensor signal S of the pressure detection means 6, the electronic control device 5 receiving the brake control signal BS via its bus connection 5a which outputs the device 8 via its bus terminal 8a.
- the controlling arrangement A comprises a first pilot control unit 21 which controls a first pilot pressure cvl and a second pilot control unit 22 which controls a second pilot control pressure cv2.
- the first piloting unit 21 is an electro-fluidic control valve device in the form of an electro-pneumatic
- Control valve means which is the first pilot pressure depending cvl electrical drive signals ASl, AS2 controls from ⁇ and which part of a direct-acting brake Bl ei ⁇ nes brake system B of the vehicle F.
- the electro-pneumatic control valve means 21 comprises in the manner shown, a vent valve 23, a vent valve 24, a compressed air supply port 21a, a pneu ⁇ matic output terminal 21b two electrical Steueran ⁇ connections 21c, 21d and a vent 21e (in the atmosphere) into the open ,
- the second vor capitande unit 22 is a fluidic STEU ⁇ erventil adopted in the form of a pneumatic control valve means cv2 the second pilot pressure in dependence of the pressure d H LL in the main air line HLL aussteu ⁇ ert and which part of an indirectly acting brake B2 of the brake system B of Vehicle 1 is.
- the pressure d H LL in the main air line HLL thus forms a control pressure for the pneumatic control valve device 22.
- the pneumatic control valve device 22 has a pneumatic supply connection 22a, a pneumatic output connection 22b and a pneumatic control connection 22c.
- the controlling arrangement A further comprises a valve device 26 in the form of a relay valve and a Gleitschutz ⁇ valve device 27.
- the valve device 26 (the relay valve) is designed as a load ⁇ controlled pressure converter or a load-controlled pressure booster.
- the valve device 26 (the relay valve) includes a pneumatic supply terminal 26a, egg ⁇ NEN pneumatic output terminal 26b and three pneumatic control inputs 26c, 26d, 26e.
- the electrically controlled anti-slip valve device 27 has a pneumatic input port 27a, a pneu ⁇ matic output port 27b, two electrical Steueran- conclusions 27c, 27d and a vent 27e to the outside (in the atmosphere) on.
- the electrical control connections 21c, 21d of the electro-pneumatic control valve device 21 are connected to the output connections via the electrical control lines LI, L2
- the pneumatic control terminal 22c of the pneumatic STEU ⁇ erventil raised 22 is connected to the main air line HLL via the pneumatic line portion L2.
- the line section L8 connects the output port 21b of the pneumatic control valve device 22 to the control port 26d of the valve device 26.
- the line section L9 connects the output port 22b of the electro-pneumatic control valve device 21 with the control port 26c of the valve device 26.
- the line section L10 connects the output terminal 18a of the air spring unit 18 to the control terminal 26e of the valve device 26.
- the output terminal 26b of the relay valve 26 is connected to the input terminal 27a via the line section LH
- the control terminals 27c, 27d are connected via the electrical lines E3, E4 to the control outputs 5d, 5e of the electronic control device 5, so that control signals AS3, AS4 for the anti-skid control actuated by the electronic control device 5 are present at the control terminals 27c, 27d.
- the sliding protection valve device 27 converts the outlet pressure C * into the actuating pressure C (brake cylinder pressure).
- the output port 27b of the antiskid valve device 27 is connected via the line section L12 to an input port 10a of the brake cylinder 10.
- the output terminal 27b of the Gleitschutzventil ⁇ device 27 forms a pneumatic output of the controlling arrangement A and the input terminal 10a forms an input of the actuator (the brake cylinder) 10 of the consumer (the brake unit) BE.
- the controlling arrangement A accordingly controls the actuating pressure C at the output 27b, which is connected via the line section L12 to the input 10a of the consumer.
- the pressure detecting means 6 is connected and at the line section L14, which forms another branch of the line section L12, the pressure securing means 7 is connected.
- the pressure detecting means detects the permanent actuation ⁇ pressure C (the brake pressure) during operation and reports DIE During a brake test, the function of the anti-skid valve device 27 is checked by means of the pressure detection means or by means of the sensor signal S output by it.
- the pressure Siche ⁇ agent 7 is formed as a non-reversible operating Drucksi ⁇ cherungsglied in the form of a rupture disk.
- the rupture disk 7 prevents directly from exceeding a predetermined maximum value C max of the actuating pressure C by a disposable diaphragm 7a of the rupture disk bursting at the set pressure of the rupture disk, which corresponds to the set maximum value C max , and thereby an outlet 7b into the open (in the Atmosphere).
- the disposable membrane is irreversibly damaged 7a of the rupture disc and performs breather ⁇ into the atmosphere for a permanent protection of the connected consumer BE. After a response (rupture), the rupture disk must be replaced. However, since the rupture disc responds only in case of malfunction, the cost of such an exchange is justified.
- Rupture disk is advantageously over the entire period of their use ⁇ essentially maintenance and maintenance free and also simplifies manual or automatic inspection
- the rupture disk used can consist of a set of available rupture disks, which differ in the value of their respective different set pressure from each other, are chosen freely. For example, a rupture disk comes to a ⁇ set, is determined by their structural design of the actuation pressure C to a value of between 1 to 6 bar.
- the second embodiment of the pressure system according to the invention shown in FIG. 3 differs from the first embodiment only in terms of the pressure-securing means.
- the pressure-securing means 28 is a combination of a non-reversible pressure-securing member 29 in the form of a rupture disk and a reversibly operating pressure-securing member 30 in the form of a safety valve which is connected downstream of the non-reversible pressure-securing member 29.
- the pressure at which the safety valve responds preferably corresponds to the set pressure C max of the rupture disk 29 or lies below it. If, therefore, the operating pressure C rises to the maximum value C max during operation, the single diaphragm 29a of the rupture disk 29 breaks, so that now also the downstream safety valve 30 responds and forms an outlet to the outside, so that the pressure of actuation C is lowered very quickly.
- the state of the rupture disk 7 or 29 is checked in a manner not shown here.
- the state of the anti-slip ⁇ valve means 27 and the state of the rupture disc can be checked 7 or 29 at a sliding tikprüflauf a brake test.
- the rupture disk 7 or 29 in particular with standard pressures - ie without the actuating pressure having to lift to the maximum value C max - respects ⁇ Lich their function or to be tested for the resulting reaction of the printing system FD.
- the invention is not limited to the illustrated embodiments of the fluidic pressure system.
- another consumer such as a Wagenfausrüs ⁇ device or a toilet equipment, be acted upon at an input of its actuator with an actuation pressure, which is controlled at an output of a correspondingly differently designed controlling arrangement.
- the pressure-securing means in particular in the form of a rupture disk, at a branch of a fluidic line section which connects the output of the controlling arrangement with the input of the actuator of the consumer, ⁇ is closed and exceeding a predetermined maximum value of the operating pressure prevented.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016219064.4A DE102016219064A1 (de) | 2016-09-30 | 2016-09-30 | Fluidisches Drucksystem eines Fahrzeugs, insbesondere eines Schienenfahrzeugs, Fahrzeug mit einem derartigen fluidischen Drucksystem sowie Verfahren zum Betrieb eines fluidischen Drucksystems eines Fahrzeugs |
| PCT/EP2017/073695 WO2018060017A1 (de) | 2016-09-30 | 2017-09-20 | Fluidisches drucksystem eines fahrzeugs sowie verfahren zum betrieb eines fluidischen drucksystems eines fahrzeugs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3494020A1 true EP3494020A1 (de) | 2019-06-12 |
Family
ID=60080748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17783395.1A Withdrawn EP3494020A1 (de) | 2016-09-30 | 2017-09-20 | Fluidisches drucksystem eines fahrzeugs sowie verfahren zum betrieb eines fluidischen drucksystems eines fahrzeugs |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3494020A1 (de) |
| CN (1) | CN109789867A (de) |
| DE (1) | DE102016219064A1 (de) |
| WO (1) | WO2018060017A1 (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2100676A1 (de) * | 1971-01-08 | 1972-09-14 | Fa. Kurt Herzer, 7500 Karlsruhe | Sicherheitseinrichtung mit Kopfstütze und abgestufter Verformung durch ein System von energieumwandelnden Elementen zur Vermeidung von Unfallschäden für Insassen beim Stoß von hinten bei Verkehrsmitteln insbesondere Kraftfahrzeugen |
| DE4135757A1 (de) * | 1990-11-02 | 1992-05-07 | Zahnradfabrik Friedrichshafen | Berstsicherung fuer hydraulische anlagen |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1104550B (de) * | 1958-06-10 | 1961-04-13 | Knorr Bremse Gmbh | Einloesige Druckluftbremse fuer Schienenfahrzeuge |
| DE4109177A1 (de) * | 1991-03-20 | 1992-09-24 | Knorr Bremse Ag | Druckluftversorgungseinrichtung fuer druckluftanlagen von fahrzeugen |
| DE4241095A1 (de) * | 1992-12-07 | 1994-06-09 | Teves Gmbh Alfred | Druckversorgung, insbesondere für eine hydraulische Bremsanlage |
| US5503469A (en) * | 1995-01-30 | 1996-04-02 | Westinghouse Air Brake Company | Apparatus to prevent inadvertent discharge and trapping of pipe pressure in an electro-pneumatic locomotive brake control system |
| ITTO980421A1 (it) * | 1998-05-19 | 1999-11-19 | Sab Wabco Spa | Sistema frenante per veicolo ferrotramviario. |
| DE10101437A1 (de) * | 2001-01-13 | 2002-08-01 | Bayerische Motoren Werke Ag | Hydraulischer Schutzmechanismus für Automatikgetriebe |
| DE10354248B4 (de) | 2003-11-20 | 2007-01-11 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Verfahren und Bremseinrichtung zur Begrenzung des Vorratsdrucks für eine einen Bremsdruck für wenigstens einen druckmittelbetätigten Bremszylinder eines Schienenfahrzeugs aussteuernde Steuerventilanordnung mittels eines Druckbegrenzungsventils |
| JP4841884B2 (ja) * | 2005-07-19 | 2011-12-21 | 日立オートモティブシステムズ株式会社 | ブレーキユニット |
| DE102007031235C5 (de) * | 2007-07-05 | 2015-12-03 | Deutsche Bahn Ag | Bremseinrichtung eines Schienenfahrzeugs mit separatem Betätigungsorgan zur Betätigung der aktiven Druckluftbremse als Festhaltbremse |
| DE102009051019A1 (de) * | 2009-10-28 | 2011-05-05 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Notbremseinrichtung eines Schienenfahrzeugs |
| DE102011011634B4 (de) * | 2011-02-17 | 2012-12-06 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Druckluftversorgungseinrichtung für Nutzfahrzeuge |
| DE102013106260B4 (de) * | 2013-06-17 | 2022-05-25 | Haldex Brake Products Aktiebolag | Elektropneumatische Bremsanlage |
| CN204020865U (zh) * | 2014-06-18 | 2014-12-17 | 连云港天明装备有限公司 | 一种工程车辆快速响应液压制动系统 |
| CN104309595B (zh) * | 2014-09-28 | 2017-03-15 | 浙江万向精工有限公司 | 液压制动单元 |
-
2016
- 2016-09-30 DE DE102016219064.4A patent/DE102016219064A1/de not_active Withdrawn
-
2017
- 2017-09-20 EP EP17783395.1A patent/EP3494020A1/de not_active Withdrawn
- 2017-09-20 WO PCT/EP2017/073695 patent/WO2018060017A1/de not_active Ceased
- 2017-09-20 CN CN201780059597.9A patent/CN109789867A/zh active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2100676A1 (de) * | 1971-01-08 | 1972-09-14 | Fa. Kurt Herzer, 7500 Karlsruhe | Sicherheitseinrichtung mit Kopfstütze und abgestufter Verformung durch ein System von energieumwandelnden Elementen zur Vermeidung von Unfallschäden für Insassen beim Stoß von hinten bei Verkehrsmitteln insbesondere Kraftfahrzeugen |
| DE4135757A1 (de) * | 1990-11-02 | 1992-05-07 | Zahnradfabrik Friedrichshafen | Berstsicherung fuer hydraulische anlagen |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2018060017A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018060017A1 (de) | 2018-04-05 |
| CN109789867A (zh) | 2019-05-21 |
| DE102016219064A1 (de) | 2018-04-05 |
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