WO2018177834A9 - Dispositif frein à disque d'un véhicule à détection de température du disque de frein - Google Patents

Dispositif frein à disque d'un véhicule à détection de température du disque de frein Download PDF

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Publication number
WO2018177834A9
WO2018177834A9 PCT/EP2018/057152 EP2018057152W WO2018177834A9 WO 2018177834 A9 WO2018177834 A9 WO 2018177834A9 EP 2018057152 W EP2018057152 W EP 2018057152W WO 2018177834 A9 WO2018177834 A9 WO 2018177834A9
Authority
WO
WIPO (PCT)
Prior art keywords
brake
disc
temperature
thermocouple
brake disc
Prior art date
Application number
PCT/EP2018/057152
Other languages
German (de)
English (en)
Other versions
WO2018177834A1 (fr
Inventor
Marc-Gregory Elstorpff
Original Assignee
Knorr-Bremse Systeme für 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 für Schienenfahrzeuge GmbH filed Critical Knorr-Bremse Systeme für Schienenfahrzeuge GmbH
Priority to EP18715534.6A priority Critical patent/EP3601835A1/fr
Priority to CN201880021785.7A priority patent/CN110462249B/zh
Publication of WO2018177834A1 publication Critical patent/WO2018177834A1/fr
Publication of WO2018177834A9 publication Critical patent/WO2018177834A9/fr

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Classifications

    • 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
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • 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
    • B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • 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
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/2245—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members in which the common actuating member acts on two levers carrying the braking members, e.g. tong-type brakes
    • 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
    • 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
    • F16D2066/001—Temperature

Definitions

  • the invention relates to a disc brake device of a vehicle having a brake disc and at least one friction lining in brake contact with the brake disc in friction contact, and with a temperature measuring device for determining the temperature of the brake disc, which includes at least one thermocouple and a measuring electronics, wherein the at least one thermocouple is disposed in or on the brake disk and thermocouple signals generated by the at least one thermocouple are related to the temperature of the brake disk, and wherein the measuring electronics are co-rotating with the brake disk and based on the thermocouple signals related to the temperature of the brake disk, produced by a data processing device nieverarbeitbare output signals, and wherein the temperature measuring device includes a power supply device which at least the at least one thermocouple and / or the measuring electronics with e supplied electrical energy, according to the preamble of claim 1.
  • the invention also relates to a vehicle having a plurality of such disc brake devices according to claim 10.
  • the braking power of a disc brake depends heavily on the temperature of the brake disc, which rotates in braking mode. Therefore, it is important to measure reliable temperatures on a rotating brake disc.
  • a monitoring of the brake disc temperature is particularly suitable for vehicles such as rail vehicles, which have a plurality of disc brake devices.
  • a generic disc brake device is for example off
  • the present invention has for its object to further develop a disc brake device of a vehicle with a temperature measuring device of the type mentioned in such a way that it provides an improved temperature measurement and power supply of the temperature measuring device available. Likewise, a vehicle with several such disc brake devices is to be made available.
  • the invention relates to a disc brake device of a vehicle, in particular a rail vehicle with a brake disc and at least one brake pad in frictional contact with the brake disc in a Bremszuspann ein, and with a temperature measuring device for determining the temperature of the brake disc, which includes at least one thermocouple and measuring electronics, wherein the at least one thermocouple is disposed in or on the brake disk and thermocouple signals generated by the at least one thermocouple are related to the temperature of the brake disk, and wherein the measurement electronics are co-rotating with the brake disk and based on the thermocouple signals relative to the temperature of the brake disk standing, further processed by a data processing device output signals generated, and wherein the temperature measuring device includes a power supply device, which at least the at least one Thermoelem ent and / or the measuring electronics supplied with electrical energy.
  • the energy supply device at least one with respect to the at least one thermocouple separate and separate thermoelectric element which is arranged in or on the brake disc or on or in a co-rotating with the brake disc component and which at least in the Bremszuspann ein with by the Friction contact between the brake pads and the brake disc resulting thermal energy is applied, wherein the at least one thermoelectric element based on the thermal energy generates an electrical voltage of the power supply device.
  • thermocouple separate and separate thermoelectric element means that the at least one thermocouple and the at least one thermoelectric element are arranged spatially separated from each other.
  • Co-rotating with the brake disc means that the component or the measuring electronics is arranged on or in the brake disc or preferably on or in a component which rotates with the brake disc, for example a component of a holding device, by which the brake disc is connected to a hub. or at the hub itself.
  • thermoelectric element By virtue of the at least one thermoelectric element being arranged on a surface or component of the disc brake device which is acted upon during the braking process, the thermal energy acting on the at least one thermoelectric element can generate a voltage, for example using the known Seebeck effect, which in electrical energy is converted.
  • the temperature difference required to generate this electrical voltage through the thermoelectric element is usually present in the region of the brake linings and the brake disk in the brake-energizing position, because there the temperature rises during braking.
  • thermoelectric element which may also be referred to as a thermogenerator, attached to a position on or in the brake disc.
  • the thermoelectric element has, for example, a first semiconductor section which is in contact with the brake disk and one of which Brake disc spaced second semiconductor portion. Between the first semiconductor section and the second semiconductor section there is a blocking or separating layer which is customary in thermoelectric elements and which separates the two semiconductor sections and from one another.
  • the first semiconductor section is preferably located at a position of the brake disk which is acted upon by thermal energy or heat during a braking operation by means of the disc brake device, whereas the second semiconductor section is arranged at a position of the brake disk at which a lower temperature prevails.
  • thermocouple and the thermoelectric element of the energy supply device separate therefrom can be arranged on or in different positions or zones in or on the brake disk or in or on the component rotating with the brake disk Function of each sensor represents a suitable position.
  • thermocouple concerning, for example, zones or positions on or in the brake disc are particularly suitable, which are loaded in a braking operation with particularly high temperatures and therefore are representative of the temperature load of the brake disc.
  • thermoelectric elements for the electrical power supply generally generate electrical voltages on the basis of a temperature difference between the ambient temperature and the brake disc temperature which is higher when braking, at least one thermoelectric element is at or in the brake disk or at or in one the brake disk co-rotating component suitable at which this temperature difference is as large as possible. Overall, therefore, the invention leads to improved measurement and power supply of the temperature measuring device.
  • the at least one thermoelectric element can be arranged on a radially inner circumferential surface of the brake disk in a region which is directly or unhindered in communication with the ambient air. Since, as explained above, the at least one thermoelectric element for the electrical power supply preferably generates an electric voltage on the basis of a temperature difference between the ambient temperature and the brake disc temperature which is higher when braking, such a position is at one of the radially at least one thermoelectric elements inner peripheral surface of the brake disc or in the brake disc particularly suitable because there is this temperature difference as large as possible.
  • thermoelectric element For the area of the radially inner peripheral surface of the brake disc, on which the at least one thermoelectric element is arranged, is then on the one hand unhindered with the ambient air of a rather low temperature and on the other hand with the brake disc itself in connection, in which a higher temperature during braking or is present in the Bremszuspann ein.
  • thermocouple is arranged in a region on or in the brake disc, which is contacted in the Bremszuspann ein of the brake pads, so seen in the radial direction rather in a mean diameter of the brake disc, in which the brake disc temperature during braking or Bremszuspann ein is highest.
  • the measuring electronics can be arranged on a holding device of the brake disc, which couples the brake disc to a hub.
  • a holding device is generally arranged radially inward with respect to the radially inner peripheral surface of the brake disk and therefore rather outside the in which the highest temperatures of the brake disc are present during braking.
  • the measuring electronics can be connected to the at least one thermocouple via at least one cable and / or the measuring electronics to the at least one thermoelectric element via at least one cable.
  • the measuring electronics comprises a radio module for the wireless transmission of the output signals of the measuring electronics to the data processing device.
  • the radio module may include an active transponder or a passive transponder.
  • a transponder is understood to mean a receiving transceiver which operates according to the interrogation and answering system.
  • a signal obtained from the transponder is suitably coded and is then coded and selectively transmitted with possibly desired further information, wherein the signal is decrypted and evaluated automatically by another transponder or a downstream device or a receiver in particular.
  • thermoelectric element supplies only the measuring electronics and the at least one thermocouple with electrical energy, but not the passive transponder.
  • active transponders have their own energy supply, as provided here by the at least one thermoelectric element.
  • the wireless module for wireless transmission of the output signal of the measuring electronics also have a Bluetooth low-energy transmitter.
  • the at least one thermocouple includes a pair of metallic conductors of different material connected at one end and measuring the temperature of the brake disc due to the thermoelectric effect.
  • the invention also relates to a vehicle having at least one disc brake device described above.
  • vehicles are track-bound rail vehicles and not track-bound road vehicles.
  • the invention is particularly suitable for track-bound rail vehicle because they usually have a variety of disc brake devices.
  • the data processing device can be arranged on board the vehicle and configured to control or regulate the braking behavior and / or the driving behavior of the vehicle on the basis of the output signals of the temperature measuring devices of a plurality of disc brake devices. Since the brake disk temperature as described above greatly influences the braking performance of disc brakes, a total braking capacity of the rail vehicle can be determined within the data processing device from the output signals of the measuring electronics by adding the individual braking powers of the individual disc brake devices. Depending on the overall braking capacity, the speed of the vehicle can then be adapted or influenced, for example.
  • FIG. 1 is a plan view of a disc brake of a rail vehicle with a brake caliper according to a preferred embodiment of the invention.
  • Figure 2 is a partially cutaway view of the brake calliper of Fig. 1;
  • Fig.1 and Fig.2 show a disc brake device 100 of a wheelset of a bogie of a rail vehicle, with an eccentrically driven brake caliper 7, the two caliper levers 6, 8 at their one ends with pad holders 4 and attached to these brake pads 15 and in their central areas with a brake motor 14 are coupled.
  • the brake disc 1 is shown only partially as an axle.
  • Each wheel set of the rail vehicle is preferably equipped with such a disc brake device 100.
  • the two cheeks of a double-cheeked caliper lever 6 of a brake caliper 7 are rotatably coupled about a rotation axis in a held as a fixed space to be seen coupling point 10 by means of bolts 9.
  • the other-side pincer lever 8 is rotatably coupled in a coupling point 10 by means of a bolt 9 on the brake housing 2, the bolt 9 is rotatably mounted on the brake housing 2 about a rotation axis parallel to the axis of rotation and carries eccentric axis-parallel bolt extensions 1 1, soft on the pliers lever. 8 is stored.
  • a pivot arm 12 At the end of the piston rod of a brake cylinder is articulated as a force output member 13 of a brake motor 14.
  • the two caliper levers 6 and 8 are rotatably coupled at their one ends with the brake disc 1 to be pressed brake shoes 15 and at their other ends with a wear adjuster 16 connecting them, in the embodiment, a push rod actuator in coupling points 17, 18, 19 and 20.
  • the push rod actuator 16 and its actuator housing is provided for its coupling with each between the two cheeks 4 and 5 of the caliper levers 6 and 8 extending bearing parts 21 and 22. These bearing parts are also referred to below as first or second wear adjuster housings 21, 22.
  • the brake motor 14 here includes, for example, a pneumatic cylinder, which is here vented, for example, by means of a solenoid valve device for brake tensioning and vented for brake release.
  • the electromagnetic valve device is electrically controlled by an electronic control device, so that the disc brake device 100 here preferably an electronic pneumatic disc brake device is.
  • the disc brake device 100 could also be an electro-hydraulic, electro-mechanical, purely pneumatic or purely hydraulic disc brake device.
  • the push rod actuator 16 increases according to the wear of the brake pads 15 its length.
  • it has an adjusting lever which is rotatably mounted on the pliers lever 6 associated first wear adjuster housing 21 about a longitudinal axis 25 of the push rod actuator 16.
  • a control rod 32 Between the two cheeks 4 and 5 of the caliper lever 6 extends a control rod 32, the rounded, rear end rests in a bearing cup at the free end of a control lever.
  • the control rod 32 is thus coupled via a coupling point 33 with the adjusting lever, not shown here. In its central region, the control rod 32 is cranked to the brake caliper outside to avoid collisions with other components, in particular the brake motor 14.
  • the front, also rounded end of the control rod 32 is located in a not visible here bearing cup of a rotary lever 35, as can be seen from the Fig.2.
  • the two-armed rotary lever 35 is rotatably mounted in its central region in a pivot point 36 and has a free end 35a.
  • the mode of operation of the rotary lever 35 in connection with adjacent components is explained in detail in EP 0 732 247 A2.
  • the free end 35a of the rotary lever 35 is for forming a Tothub worn 44, as shown in Figure 2, brake disc side with a distance s a lever part 45 opposite.
  • the lever part 45 is formed as an extension of the rotary arm 12. The distance s corresponds to the path which, starting from the disc brake released with a correct release stroke, covers the end of the lever part 45 against the brake disc 1 when the two brake shoes 15 are still applied with zero tension. When braking, the lever part 45 just hits the end 35 a of the rotary lever 35.
  • the caliper levers may be hinged centrally on a Switzerlandstangensteller 16 on the brake caliper, which can be actuated by a lever 24 in the shortening of the Glasstangenstellers.
  • the wear adjuster 16 may be of any type, it only needs - as already mentioned - have a lever.
  • the holder of the brake caliper on a space-fixed part, ultimately a vehicle or bogie frame, can be done at a coupling point other than the coupling point 10, the design of a brake caliper unit may possibly account for the brake housing.
  • the application of the brake caliper 7 can be done differently, in one of the many known types, for example by means of a directly or via a lever mechanism with the gun levers 6, 8 coupled brake cylinder.
  • the disc brake device 100 has a temperature measuring device shown in FIG. 3 for determining the temperature of the brake disc 1, which here includes, for example, a single thermocouple 26 and measuring electronics 24.
  • the thermocouple 26 is here, for example, within the brake disc 1 ange- orders, for example, that it is received in a radial blind hole of the brake disc.
  • the thermocouple 26 includes a pair of metallic conductors of different material connected at one end and measuring the temperature of the brake disc 1 at the position of the thermocouple 26 on or in the brake disc 1 due to the thermoelectric effect.
  • thermocouple 26 is arranged in a region of the brake disc 1 viewed in the radial direction, which is contacted by the brake pads in a braking operation, because there the highest temperature load of the brake disc 1 is expected.
  • the thermocouple signals generated by the thermocouple 26 are then in relation to the temperature of the brake disc 1, which is the highest especially in the Bremszuspann ein.
  • thermocouple 26 can be arranged on, in or within the brake disc and a plurality of thermocouples 26.
  • the measuring electronics 24 is arranged to rotate with the brake disk 1, which is preferably formed annular disk-shaped and seen in the radial direction has a radially inner peripheral surface 50 and a radially outer peripheral surface 52, wherein between the radially inner peripheral surface 50 and the radially outer circumferential surface 52 lateral friction surfaces 54th are arranged, which at least partially come into frictional contact with the brake pads 15 in the Bremszuspann ein.
  • the brake disk 1 is in the region of its radially inner peripheral surface 50 via a holding device 56, which includes here, for example, a plurality of radially extending fingers 58, connected to a co-rotating with at least one vehicle hub 60, wherein one end of a finger 58 on the hub 60 and the other end of a finger 58 is connected to the brake disc 1.
  • a holding device 56 which includes here, for example, a plurality of radially extending fingers 58, connected to a co-rotating with at least one vehicle hub 60, wherein one end of a finger 58 on the hub 60 and the other end of a finger 58 is connected to the brake disc 1.
  • a holding device 56 which includes here, for example, a plurality of radially extending fingers 58, connected to a co-rotating with at least one vehicle hub 60, wherein one end of a finger 58 on the hub 60 and the other end of a finger 58 is connected to the brake disc 1.
  • the measuring electronics 24 is then arranged, for example, on a finger 58 of the holding device 56, in particular on the end of a finger 58, which is attached to the hub 60, on the one hand rotate with the brake disc 1, but on the other hand, to maintain the largest possible distance to the brake disc 1 .which is highly heat-loaded during a braking operation.
  • the measuring electronics 24 could also be arranged directly on or in the hub 60 or on or in the brake disk 1.
  • the measuring electronics 24 is preferably connected via a first cable 28 to the thermocouple 26 so that it generates on the basis of the temperature controlled by the thermocouple 26 thermocouple signals with respect to the temperature of the brake disc 1, further processed by a data processing device 64 output signals.
  • the temperature measuring device further includes a power supply device 40, which supplies the thermocouple 26 and the measuring electronics 24 with electrical energy here.
  • the energy supply device 40 has at least one separate and separate with respect to the thermocouple 26 thermoelectric element 42, which is preferably arranged in or on the radially inner circumferential surface of the brake disc 1 and which at least in the Bremszu- tensioned position with the through the frictional contact between the brake pads 15 and the brake disc 1 resulting thermal energy is applied.
  • the thermoelektnsche element 42 then generates on the basis of thermal energy, an electrical voltage of the power supply device 40.
  • the thermoelectric element 42 is then connected, for example via a second cable 30 to the measuring electronics in order to supply them with electrical energy.
  • thermoelectric element 42 is acted upon by a correspondingly high temperature to an electrical voltage for to generate the measuring electronics 24 and thereby enable them to produce an output signal representing the temperature of the brake disc 1.
  • the thermal energy acting on the thermoelectric element 42 for example using the known Seebeck effect, then generates a voltage that is converted into electrical energy.
  • the temperature difference required for the generation of this electrical voltage by the thermoelectric element 42 is generally present in the region of the brake linings 15 and the brake disk 1 in the brake application position, because there the temperature during braking increases.
  • the thermoelectric element 42 has, for example, a first semiconductor section and a second semiconductor section, wherein there is a barrier layer between the two semiconductor sections, which separates the two semiconductor sections from one another. For generating the highest possible voltage through the thermoelectric element 42, it is favorable if the temperature difference between the two semiconductor sections is as high as possible.
  • thermoelectric element 42 is preferably arranged here so that the first semiconductor portion is in contact with the brake disk 1 and the second semiconductor portion is spaced from the brake disk 1 or facing away from the brake disk 1.
  • thermoelectric element 42 is arranged on or in the radially inner peripheral surface 50 of the brake disk 1 so that the first semiconductor portion is in contact with the brake disk 1, to be able to assume the high temperature during braking and the second Semiconductor portion facing away from the brake disc 1.
  • thermoelectric element 42 is arranged in a gap 62 between fingers 58 of the holding device 56, so that the second semiconductor conductor portion can be unhindered in connection with the contrast colder ambient air and thus the temperature difference between the two semiconductor sections is as large as possible, as well as from Fig.3 evident.
  • the first semiconductor section is then located at a position of the brake disk 1 subjected to high thermal energy or heat during a braking operation, whereas the second semiconductor section is arranged at a position of the brake disk 1 at which a lower temperature prevails.
  • thermocouple 26 when braking or in the brake application position there is a temperature difference between the two semiconductor sections which, according to the known Seebeck effect, results in a temperature difference generates electrical voltage, which is used here for the electrical power supply of the thermocouple 26 and the measuring electronics 24.
  • the measuring electronics 24 preferably comprises a radio module 66 for the wireless transmission of the output signals of the measuring electronics 24 to the data processing device 64.
  • the radio module 66 may include an active transponder or a passive transponder.
  • the wireless module 66 for wireless transmission of the output signal of the measuring electronics 24 to the data processing device 64 may also have a Bluetooth low-energy transmitter. Therefore, the data processing device 64 is equipped with a corresponding transceiver 68.
  • the rail vehicle preferably has a plurality of disc brake devices 100 described above, each with a temperature measuring device.
  • the data processing device 64 is arranged on board the rail vehicle and configured to control or regulate the braking behavior and / or the handling behavior of the rail vehicle on the basis of the output signals of the temperature measuring devices of a plurality of disc brake devices 100. Since the brake disk temperature as described above greatly affects the braking performance of disc brakes, within the data processing device 64, a total braking capacity of the rail vehicle can be determined from the output signals of the measurement electronics by adding the individual braking capabilities of the individual disc brake devices 100. Depending on the overall braking capacity, the speed of the vehicle can then be adapted or influenced by the data processing device 64, for example. LIST OF REFERENCES
  • thermoelectric element 40 power supply device thermoelectric element

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

Abstract

L'invention concerne un dispositif frein à disque (100) d'un véhicule comprenant un disque de frein (1) et au moins une garniture de frein (15) en contact de friction avec le disque de frein (1) dans une position de serrage de frein, et un dispositif de mesure de température servant à déterminer la température du disque de frein (1), lequel dispositif de mesure de température comporte au moins un thermocouple (26) et une électronique de mesure (24), ledit au moins un thermocouple (26) étant disposé dans ou sur le disque de frein (1) et des signaux de thermocouple générés par ledit au moins thermocouple (26) étant liés à la température du disque de frein (1), et l'électronique de mesure (24) étant disposée de manière à tourner conjointement avec le disque de frein (1) et des signaux de sortie liés à la température du disque de frein (1) et pouvant être traités ultérieurement par un dispositif de traitement de données (64) étant générés sur la base des signaux de thermocouple, et le dispositif de mesure de température comportant un dispositif d'alimentation en énergie (40), lequel alimente en énergie électrique au moins ledit au moins un thermocouple (26) et/ou l'électronique de mesure (24). Selon l'invention, le dispositif d'alimentation en énergie (40) comprend au moins un élément (42) thermoélectrique séparé par rapport audit au moins un thermocouple (26), lequel élément thermoélectrique est disposé dans ou sur le disque de frein (1) ou sur un composant tournant conjointement avec le disque de frein (1), et lequel est soumis à l'énergie thermique produite par le contact de friction entre les garnitures de frein (15) et le disque de frein (1) au moins dans la position de serrage de frein, ledit au moins un élément thermoélectrique (42) générant, sur la base de l'énergie thermique, une tension électrique du dispositif d'alimentation en énergie (40).
PCT/EP2018/057152 2017-03-27 2018-03-21 Dispositif frein à disque d'un véhicule à détection de température du disque de frein WO2018177834A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18715534.6A EP3601835A1 (fr) 2017-03-27 2018-03-21 Dispositif frein à disque d'un véhicule à détection de température du disque de frein
CN201880021785.7A CN110462249B (zh) 2017-03-27 2018-03-21 具有制动盘的温度检测的车辆的盘式制动设备和车辆

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017106552.0 2017-03-27
DE102017106552.0A DE102017106552A1 (de) 2017-03-27 2017-03-27 Scheibenbremsvorrichtung eines Fahrzeugs mit Temperaturerfassung der Bremsscheibe

Publications (2)

Publication Number Publication Date
WO2018177834A1 WO2018177834A1 (fr) 2018-10-04
WO2018177834A9 true WO2018177834A9 (fr) 2019-02-21

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PCT/EP2018/057152 WO2018177834A1 (fr) 2017-03-27 2018-03-21 Dispositif frein à disque d'un véhicule à détection de température du disque de frein

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CN (1) CN110462249B (fr)
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EP3601835A1 (fr) 2020-02-05
CN110462249A (zh) 2019-11-15
DE102017106552A1 (de) 2018-09-27
CN110462249B (zh) 2021-02-02

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