EP3787952A2 - Überwachungssystem für ein kuppel- und/oder dämpfungselement eines fahrzeugs, insbesondere schienenfahrzeugs - Google Patents
Überwachungssystem für ein kuppel- und/oder dämpfungselement eines fahrzeugs, insbesondere schienenfahrzeugsInfo
- Publication number
- EP3787952A2 EP3787952A2 EP19724097.1A EP19724097A EP3787952A2 EP 3787952 A2 EP3787952 A2 EP 3787952A2 EP 19724097 A EP19724097 A EP 19724097A EP 3787952 A2 EP3787952 A2 EP 3787952A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- movement
- sensor
- components
- encoder
- coupling
- 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
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 39
- 238000010168 coupling process Methods 0.000 title claims abstract description 39
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 39
- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 238000013016 damping Methods 0.000 title claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims abstract description 70
- 230000008054 signal transmission Effects 0.000 claims abstract description 21
- 230000005672 electromagnetic field Effects 0.000 claims description 17
- 238000011156 evaluation Methods 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 239000000872 buffer Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 208000012868 Overgrowth Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0054—Train integrity supervision, e.g. end-of-train [EOT] devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0081—On-board diagnosis or maintenance
Definitions
- the present invention relates to a monitoring system for a coupling and / or damping element of a vehicle, in particular rail vehicle, according to the preamble of the independent claims.
- Coupling and / or damping elements of vehicles, in particular rail vehicles, as relates to the present invention transmit driving and / or impact forces. You can be provided to reduce transmitted to the vehicle interior shock forces with energy absorbing elements. The life of corresponding coupling and / or damping elements depends on their load during operation of the vehicle.
- a generic overwashing system is proposed in WO 2017/198520 A1 which monitors and evaluates changes in distance between two components of the damping element which are movable relative to each other along at least one direction of movement.
- a sensor may be provided with a coil for detecting a magnetic field. Furthermore, the speed or the time of changing the distance can be taken into account.
- WO 2014/124848 A1 discloses a monitoring of coupling elements of a vehicle, in which at least one significant relative direction of motion is determined and relative movements along the relevant relative direction of movement of the coupling element to be monitored are measured and stored, wherein an evaluation of the stored relative movements takes place.
- the two cited documents refer to monitoring systems in which a sensor and a transmitter are integrated into the coupling and / or damping element in such a way that they move relative to one another and the relative movement relative to one another along with the two components movable relative to one another along the at least one movement direction is determined by the changing position of the encoder relative to the sensor.
- This is disadvantageous in a desired space-effective integration of the monitoring system in the coupling and / or damping element and may adversely affect the detection accuracy, namely, if the relative position of sensor and encoder is subject to tolerances.
- the present invention has for its object to provide a monitoring system for a coupling and / or damping element of a vehicle, in particular rail vehicle, which is improved over the generic monitoring system with respect to the disadvantages mentioned.
- An inventive monitoring system for a coupling and / or damping element of a vehicle, in particular rail vehicle, wherein the coupling and / or damping element has at least two relatively movable along at least one direction of movement components comprises at least one encoder and at least one sensor, which is set up and arranged are to detect the movement of the two components along the at least one direction of movement.
- the encoder and the sensor are signal-transmitting connected, so that the sensor generates a signal generated by the encoder detected.
- the signal may, for example, be a magnetic field generated by the transmitter. However, other analog or digital signals come into consideration.
- the at least one sensor and the at least one sensor are positioned at a constant distance from one another.
- a signal transmission modifying element is provided which is movable with one of the components or in dependence of the relative movement of the components to change the transmitted signal depending on its position.
- the position of encoder and sensor, in particular within a common component or mounted on a common component can thus be precisely determined. Tolerances are largely avoided.
- the determination of the relative movement of the two components along the at least one movement direction is no longer effected by the fact that the sensor and the encoder move relative to each other, but by the fact that the signal transmission modifying element is provided which move relative to the sensor and the encoder can, in dependence on the relative movement between the two components, preferably together with one of the two components.
- the monitoring system according to the invention can also be combined with monitoring systems comprising conventionally positioned sensors and encoders.
- an alternative embodiment of the invention provides that, instead of the transmitter and sensor positioned at a constant distance from each other, the encoder is designed as a rotary encoder and is connected to an articulated joint. It could also be defined that the rotary encoder forms a sensor and a sensor, which are integrated to a rotary encoder. The articulated joint is executed to convert a relative linear movement of the two components to one another in a rotary movement, wherein this rotational movement is detected by the rotary encoder.
- a conventional sensor which detects the position of the encoder can also be dispensed with here. Rather, the encoder itself can provide the necessary signal about its rotational position in order to assess the movement of the two components relative to each other.
- the transmitter has at least one magnet, in particular permanent magnets, on or is formed by the latter and the sensor is set up to detect a magnetic field generated by the transmitter.
- the signal transmission modifying element is then movable in the magnetic field to change this depending on its position. This change in the magnetic field can be detected by the sensor and generate a corresponding signal which describes the relative movement of the two components as a function of the detected change.
- the transmitter has at least one electrical coil or is formed by it and the sensor is set up to detect an electromagnetic field generated by the transmitter.
- the signal transmission modifying element is then movable in the electromagnetic field to change this depending on its position.
- the sensor can detect this change in the electromagnetic field and generate a corresponding signal which describes the relative movement of the two components as a function of the detected change.
- the coil forms not only the encoder but also the Sensor.
- the coil generates a signal, namely in the form of the electromagnetic field, which is changed depending on the position of the signal transmission modifying element.
- This change in the electromagnetic field in turn causes a change in the inductance of the coil, wherein this inductance change can be detected, for example by means of an evaluation unit.
- the embodiment with a coil can advantageously be made more robust against external influences.
- both embodiments can also be combined with each other.
- the signal transmission modifying element is made of metal, for example, and can be formed by a coupling rod according to an embodiment of the invention.
- an evaluation unit is provided, which is connected to the sensor or integrated in this.
- the evaluation unit is preferably set up to determine the extent of the movement, the speed of the movement and / or the acceleration of the movement of the two components relative to one another from the signal detected by the sensor or, in the case of the embodiment with a rotary encoder from the signal generated by the rotary encoder.
- the encoder and the sensor are arranged within a common recess and the signal transmission modifying element is along the recess, in particular immediately adjacent to this, or within the recess or in the recess movable.
- a protective device may be provided which encloses the sensor and / or the encoder in order to shield it against mechanical and environmental influences.
- the signals generated or forwarded by the sensor or the signals of the rotary encoder can be evaluated in the optional evaluation unit and made available to a higher-level system.
- the evaluation unit can be integrated in the higher-level system.
- a coupling and / or damping element according to the invention of a vehicle, in particular a rail vehicle has at least two components movable relative to one another along at least one direction of movement, as well as a monitoring system according to the invention.
- the direction of movement can be oriented horizontally, for example.
- the coupling and / or damping element may be a buffer, such as side buffers or middle buffers, a collision element or a coupling of a rail vehicle to another rail vehicle.
- the two components are in telescopic engagement with each other in the direction of movement and are secured by a rotation against rotation relative to each other, wherein the direction of rotation corresponds to a circumferential direction about the direction of movement.
- the sensor and the encoder can then be arranged in the rotation.
- the anti-rotation device preferably has a bolt mounted on or formed by one of the two components, which extends with its longitudinal axis in the direction of movement and engages in a recess of the other component which also extends in the direction of the longitudinal axis to form an undercut.
- the sensor and the encoder can then be positioned in the bar or on the bolt and the other component can form the signal transmission modifying element.
- the at least one common recess is provided in the bolt, wherein this common recess preferably also extends in the direction of the longitudinal axis within the bolt.
- the encoder may for example be mounted on the surface or in a screw with which the bolt is mounted on the one component.
- Figure 1 shows a first embodiment of an inventive
- FIG. 2 shows an alternative embodiment of the invention
- Figure 3 is a traction coupling with rotation, in which the monitoring system according to the invention can be integrated;
- FIG. 4 shows a latch of the anti-twist device from FIG. 3 in one
- FIG. 5 shows the bolt in a front view
- Figure 6 is a schematic representation of a possible integration of the overgrowth system according to the invention in the bar in a plan view
- FIG. 7 shows the bolt from FIG. 6 in a front view
- FIG. 8 shows an alternative integration of the monitoring system in the bar in a schematic plan view
- FIG. 9 shows the bolt from FIG. 8 in a front view
- Monitoring system analogous to Figure 1, but with a transmitter comprising an electric coil for generating an electromagnetic field.
- FIG. 1 schematically shows a monitoring system according to the invention with a first component 2 and a second component 3.
- the second component 3 is movable in the direction of movement 1 relative to the first component 2.
- an encoder 4 and a sensor 5 are arranged at a constant distance from one another. This means that the distance between the transmitter 4 and the sensor 5 does not change when the second component 3 moves relative to the first component 2.
- the encoder 4 generates a signal which is received by the sensor 5.
- the signal is a magnetic field 8 when the encoder 4 comprises a magnet 7 or is formed by this.
- the transmitter 4 may also comprise a coil or are formed by these, so that the signal is an electromagnetic field generated by the coil.
- the second component 3 forms a signal transmission modifying element 6, here for example with the region of its axial end face.
- the signal transmission modifying element 6 slides in such a way over the sensor 5 in the direction of movement 1 that the signal generated by the transmitter 4, for example the magnetic field 8, is changed, this change being detected by the sensor 5.
- FIG. 10 shows the alternative embodiment mentioned, in which the transmitter 4 comprises or is formed by a coil 7 '.
- the signal transmission modifying element 6 changes its position within the electromagnetic field 8 'generated by the coil 7' and thus the electromagnetic field 8 'itself, this change in the electromagnetic field 8' being detected by the sensor 5. Additionally or alternatively, a change in the inductance of the coil 7 ', wherein the inductance of the coil 7' on the position of the signal transmission modifying element 6 is dependent, are detected, so that the coil 7 'thus at the same time forms the sensor, which corresponds to 5 'is designated.
- the extent of the movement ie the distance covered by the component 3, and / or the speed of the movement and / or the acceleration during the movement can be detected or determined from detected values.
- an evaluation unit 10 to which the sensor 5, 5 'is wired or wirelessly connected, for example, the determination of the desired Size from the sensor 5, 5 'detected signal or from the output values of the sensor 5 done.
- the encoder 4 is designed as a rotary encoder.
- the second component 3 is telescopically retractable into the first component 2 in the direction of movement 1.
- an articulated joint 12 with two lever arms 17, 18 and three pivot points 19, 20, 21 connected, the relative linear movement between the first component 2 and the second component 3 along the direction of movement 1 in a rotational movement converts, the encoder 4 detects as a rotary encoder. This movement, in particular the extent of the movement, the speed and / or the acceleration can then in turn be determined for example in the evaluation unit 10 from the output values of the transmitter 4.
- the first component 2 and the second component 3 are part of a traction coupling.
- the first component 2 and the second component 3 are in telescoping engagement with each other, so that the second component 3 can be more or less retracted into the first component 2.
- When retracted act energy absorbing elements 22 to dampen the retraction movement of the second component 3.
- the direction of movement 1 corresponds to the longitudinal axis 15 of the two components 2, 3.
- the second component 3 comprises or is formed by a coupling rod 9.
- an anti-twist device 13 is provided. This includes a latch 14, which with Screws 23 is mounted inside the component 2, and a corresponding recess 16 in the second component 3 and in the coupling rod.
- the monitoring device can now be integrated.
- an inductive sensor may be provided, in particular in the form of a coil 7 'whose inductance is dependent on the relative position of the component 3 to the component 2 (see 3), wherein the relative movement between the components 2 and 3, a different degrees of attenuation of the inductance of the coil 7 'is effected, so that from the change in the inductance, the current relative position can be detected.
- an electromagnetic field 8 'generated by the coil 7' can be used analogously to the magnetic field 8 for detecting the relative movement between the components 2 and 3.
- the sensor 5 is provided instead of one of the two screws 23 in FIG. 3 or can also fulfill its function.
- the encoder 4 is integrated in the other of the two screws 23 or provided on its surface, for example on the outer periphery, as shown in Figure 6, or the front side, as indicated in Figure 7.
- the sensor 5 in turn replaces one of the two screws 23 in FIG. 3, preferably the screw which is closer to the second component 3 or the coupling rod 9, and FIG Encoder 4 is fixed in the middle between the two screws 23 in the common recess 11.
- the encoder 4 may comprise an electric coil 7 'and correspondingly generate an electromagnetic field 8' instead of the magnetic field 8 shown here.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018110462.6A DE102018110462A1 (de) | 2018-05-02 | 2018-05-02 | Überwachungssystem für ein Kuppel- und/oder Dämpfungselement eines Fahrzeugs, insbesondere Schienenfahrzeugs |
PCT/EP2019/061004 WO2019211262A2 (de) | 2018-05-02 | 2019-04-30 | Überwachungssystem für ein kuppel- und/oder dämpfungselement eines fahrzeugs, insbesondere schienenfahrzeugs |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3787952A2 true EP3787952A2 (de) | 2021-03-10 |
Family
ID=66542196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19724097.1A Pending EP3787952A2 (de) | 2018-05-02 | 2019-04-30 | Überwachungssystem für ein kuppel- und/oder dämpfungselement eines fahrzeugs, insbesondere schienenfahrzeugs |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3787952A2 (de) |
DE (1) | DE102018110462A1 (de) |
WO (1) | WO2019211262A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019113907A1 (de) * | 2019-05-24 | 2020-11-26 | Voith Patent Gmbh | Regenerative Energieabsorptionsvorrichtung, Kupplungs- oder Gelenkanordnung mit einer solchen Energieabsorptionsvorrichtung sowie Dämpfungsanordnung mit einer solchen Energieabsorptionsvorrichtung |
DE102019129425A1 (de) * | 2019-10-31 | 2021-05-06 | Voith Patent Gmbh | Zugkupplungsdämpfungsvorrichtung |
SE544873C2 (en) * | 2020-06-26 | 2022-12-20 | Dellner Couplers Ab | System and method for monitoring the helth of a damper for a rail vehicle |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US539687A (en) * | 1895-05-21 | Car-coupling | ||
US784889A (en) * | 1904-08-18 | 1905-03-14 | Jacob F Gaehring | Car-coupling. |
DE2951685A1 (de) * | 1979-12-21 | 1981-07-02 | Scharfenbergkupplung Gmbh, 3320 Salzgitter | Uebergangskupplung insbesondere fuer schienenfahrzeuge |
DE3911317C2 (de) * | 1989-04-07 | 1995-06-22 | Bergische Stahlindustrie | Verschlussystem mit Stromschalter für Kupplungen |
US7845504B2 (en) * | 2005-12-23 | 2010-12-07 | General Electric Company | System and method for determining whether a locomotive or rail engine is coupled to a rail car or other engine |
DE102008034018B3 (de) * | 2008-07-16 | 2009-07-30 | Siemens Aktiengesellschaft | Verfahren zum Ermitteln des Kupplungszustands einer Eisenbahnkupplung, Eisenbahnkupplung sowie Anordnung mit einer Eisenbahnkupplung |
AT514372A1 (de) * | 2013-02-12 | 2014-12-15 | Siemens Ag Oesterreich | Überwachung von Koppelelementen eines Fahrzeugs |
DK3362399T4 (da) * | 2015-10-16 | 2024-04-15 | Palfinger Ag | Arrangement af en styring og et mobilt styringsmodul |
DE102016208377A1 (de) * | 2016-05-17 | 2017-11-23 | Voith Patent Gmbh | Überwachung eines horizontalen Dämpfungselements für ein Schienenfahrzeug |
DE102016215066A1 (de) * | 2016-08-12 | 2018-02-15 | Voith Patent Gmbh | Überwachen einer Relativbewegung zweier Elemente |
DE102017120237A1 (de) * | 2017-09-04 | 2019-03-07 | Voith Patent Gmbh | Steckverbindungsüberwachungsvorrichtung und Elektrozugkupplung |
-
2018
- 2018-05-02 DE DE102018110462.6A patent/DE102018110462A1/de active Pending
-
2019
- 2019-04-30 EP EP19724097.1A patent/EP3787952A2/de active Pending
- 2019-04-30 WO PCT/EP2019/061004 patent/WO2019211262A2/de unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019211262A2 (de) | 2019-11-07 |
WO2019211262A3 (de) | 2020-02-20 |
DE102018110462A1 (de) | 2019-11-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3787952A2 (de) | Überwachungssystem für ein kuppel- und/oder dämpfungselement eines fahrzeugs, insbesondere schienenfahrzeugs | |
DE19736454B4 (de) | Kontaktloser Näherungsschalter | |
EP3601849B1 (de) | Vorrichtung und verfahren zur positionserfassung einer schaltgabel eines schaltgetriebes | |
DE102010027017A1 (de) | Induktive Sensoreinrichtung sowie induktiver Näherungssensor mit einer induktiven Sensoreinrichtung | |
DE102007020043A1 (de) | Messeinrichtung für eine Luftfeder | |
EP3519288B1 (de) | Schaltsignalgeber für ein schaltgetriebe eines fahrzeugs und schaltvorrichtung für ein schaltgetriebe | |
EP1957303B1 (de) | Verschlussvorrichtung für eine cabriolet-dachkonstruktion | |
DE10101174B4 (de) | Sensorvorrichtung zur Ermittlung eines Lenkwinkels und eines Lenkmoments | |
EP1980427A2 (de) | Feder-Einheit mit Sensor für den Federweg | |
EP3320305B1 (de) | Sensoranordnung mit modularem aufbau | |
DE4402319A1 (de) | Bewegungsmeßsystem für eine Einrichtung mit zwei gegenseitig verschiebbaren Körpern | |
DE102008056700A1 (de) | Drehzahlsensor zum Ermitteln von "langsamen (Nulldrehzahl) und schnellen" Drehzahlen sowie zur gleichzeitigen Ermittlung der Drehrichtung | |
DE102007010115A1 (de) | Pneumatikantrieb mit Zylinderschalter | |
DE102019215844A1 (de) | Sensoreinrichtung für eine Anordnung zur Detektion und Analyse eines entlang einer Spur, insbesondere entlang eines Gleises, bewegten Rades eines Fahrzeugs | |
DE29901614U1 (de) | Elektrischer Schalter zum kontaktlosen Schalten | |
DE202008004940U1 (de) | Messvorrichtung | |
DE10223449B4 (de) | Teleskopiersystem mit ankoppelbarer Teleskopiereinrichtung | |
DE102013003270A1 (de) | Vorrichtung und Verfahren zum Erfassen einer Linearbewegung | |
DE19830981C1 (de) | Vorrichtung zur Erkennung von vordefinierten Positionen eines beweglich geführten Teils | |
EP2158452A1 (de) | Diagnoseeinrichtung zur überwachung der bewegung eines aktorglieds | |
DE102017111052A1 (de) | Schalter mit Umlenkhebel und großem Schaltweg | |
DE102020132561B4 (de) | Kraftfahrzeug, umfassend eine Anhängerkupplung und einen Aktor zur Bewegung einer Kupplungskomponente, und Verfahren zum Betrieb eines Kraftfahrzeugs | |
WO2016008481A1 (de) | Sensorsystem und kolben-zylinder-anordnung | |
DE102010026237A1 (de) | Vorrichtung zur Erfassung der Position oder Positionsänderung eines verschwenkbaren Hebels | |
DE102016202491A1 (de) | Fluidtechnisches Antriebssystem mit Positionssensor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20201202 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20240307 |