EP3601832A1 - Dispositif frein à disque de véhicule à détection de l'usure des garnitures de frein - Google Patents

Dispositif frein à disque de véhicule à détection de l'usure des garnitures de frein

Info

Publication number
EP3601832A1
EP3601832A1 EP18716928.9A EP18716928A EP3601832A1 EP 3601832 A1 EP3601832 A1 EP 3601832A1 EP 18716928 A EP18716928 A EP 18716928A EP 3601832 A1 EP3601832 A1 EP 3601832A1
Authority
EP
European Patent Office
Prior art keywords
brake
disc
sensor
caliper
lever
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Withdrawn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
EP18716928.9A
Other languages
German (de)
English (en)
Inventor
Marc-Gregory Elstorpff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH, Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Publication of EP3601832A1 publication Critical patent/EP3601832A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D66/02—Apparatus for indicating wear
    • F16D66/021—Apparatus for indicating wear using electrical detection or indication means
    • F16D66/026—Apparatus for indicating wear using electrical detection or indication means indicating different degrees of lining wear
    • 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
    • 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
    • F16D66/02—Apparatus for indicating wear
    • F16D66/021—Apparatus for indicating wear using electrical detection or indication means
    • F16D66/028—Apparatus for indicating wear using electrical detection or indication means with non-electrical sensors or signal transmission, e.g. magnetic, optical

Definitions

  • the invention is based on a disc brake device of a vehicle having a brake disc and at least two brake pads in frictional contact with the brake disc in a Bremszu-, the brake pads are each supported by a brake pad holder which is mounted on a brake caliper or on a caliper lever brake caliper , And with a device for determining the brake pad thickness of at least one of the brake pads, which includes an electronic evaluation device and sensor device which detects the respective brake lining thickness of the at least one brake pad and generates by interaction with an electronic evaluation a respective degree of brake lining thickness representing output signal, according to Preamble of claim 1.
  • the invention also relates to a vehicle with a disc brake device according to claim 13.
  • Such a disc brake device is known for example from DE 25 23 229 A1 and includes a device for indicating the brake pad wear, in which the position of two brake pad carriers is scanned with respect to the brake disc by means of a telescopically variable-length sliding resistance, which is arranged between the brake pad carriers and each resulting resistance value is displayed as a measure of the lining thickness of the pads worn by the brake pad carriers on a display on the dashboard.
  • a telescopically variable-length sliding resistance which is arranged between the brake pad carriers and each resulting resistance value is displayed as a measure of the lining thickness of the pads worn by the brake pad carriers on a display on the dashboard.
  • the arrangement of the sliding resistance between the brake pad carriers is on the one hand exposed to environmental influences such as moisture, dust and snow, so that there is a risk that the function is impaired.
  • the sliding resistance also makes the pad change difficult because it is exactly between the brake pad carriers is arranged.
  • the arrangement of the sliding resistance is sensitive to vibration and vibration, which may also affect the function.
  • the present invention is therefore based on the object, a disc brake device of a vehicle of the type mentioned in such a way to further develop that it works reliably with the least possible effort. Likewise, a vehicle to be provided with such a disc brake device.
  • the invention is based on a disc brake device of a vehicle having a brake disc and at least two brake pads in frictional contact with the brake disc in a Bremszu-, the brake pads are each supported by a brake pad holder which is mounted on a brake caliper or on a caliper lever brake caliper , And with a device for determining the brake pad thickness of at least one of the brake pads, which includes an electronic evaluation and sensor device which detects the respective brake lining thickness of the at least one brake pad and generates by interaction with an electronic evaluation device, the respective measure of the brake pad thickness representing output signal. In the brake release position, however, the brake pads out of engagement or contact with the brake disc.
  • the brake pad carrier are articulated to the caliper levers of the brake caliper, so that the brake pad carrier can align with the brake pads on the side surface of the brake disc in the Bremszuspann too.
  • the brake pad carrier with brake piston and / or with the caliper are in operative connection and can only perform a linear movement parallel to the central axis of the brake disc.
  • the sensor device includes at least one non-contact sensor, which is fixed and formed on or in the brake pad holder or in or on the pliers lever so that it at least the distance between the non-contact sensor and a non-contact sensor facing side surface of the brake disc detected contactless in the Bremszuspann ein.
  • the non-contact sensor is therefore preferably arranged on the caliper lever or on the brake pad holder such that its measuring direction is approximately perpendicular to the side surface of the brake disc.
  • the brake pad holder or the caliper lever which then carries the non-contact sensor, changes its distance from the brake disc according to the pad wear in the wear of the brake pads during braking or Bremszuspann too, so that the position of the brake pad holder or the caliper lever when braking with respect to the brake disc or with respect to the side surface of the brake disc, which points to the non-contact sensor, may be considered as a measure of the pad wear.
  • the at least one non-contact sensor of the sensor device is an optical, capacitive or inductive sensor.
  • any sensor is conceivable with which a distance between the sensor or its sensor head and the brake disc or the side surface of the brake disc, which points to the respective caliper lever or brake pad carrier, can be measured without contact.
  • the electronic evaluation device is attached to or in the brake pad holder or on or in the pliers lever.
  • the at least one non-contact sensor and the electronic evaluation device can be integrated in a structural unit which is fastened to or in the brake pad holder or on or in the forceps lever.
  • a power supply device which supplies at least the at least one non-contact sensor and / or the electronic evaluation device with electrical energy.
  • the energy supply device may in particular have at least one battery.
  • the energy supply device may comprise at least one thermoelectric element which is arranged on a surface or on a component of the disc brake device, which is acted upon in the Bremszuspannstel- ment resulting from the frictional contact between the brake pads and the brake disc thermal energy, said at least one thermoelectric element based on the thermal energy generates an electrical voltage of the power supply device.
  • thermoelectric element 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, for example using the known Seebeck effect, a voltage which is converted into electrical energy is converted.
  • the generating this electrical voltage required by the thermoelectric element temperature difference is usually present in the brake application position in the brake pads and the brake disc, because there the temperature increases during braking.
  • thermoelectric element is attached to a surface in the region of the brake pads and the brake disc, which can also be referred to as a thermogenerator.
  • the thermoelectric element has, for example, a first semiconductor section that is in contact with the surface and a second semiconductor section that is spaced apart from the surface. 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 portion is preferably located at one of the points of thermal energy or heat applied to a braking operation by the disc brake device, whereas the second semiconductor portion is disposed at a position at which a lower temperature prevails.
  • thermoelectric element is preferably mounted in or on the caliper or in or on the caliper lever.
  • the device for determining the brake pad thickness is designed to directly or indirectly detect the assumed state of Bremszuspann ein and exclusively in the Bremszuspann ein generates the respective measure of the brake pad thickness representing output signal.
  • the assumption of the Bremszuspann ein by the brake pads can be done in many ways preferably by the at least one non-contact sensor itself, which indeed determines the distance between the sensor and the brake disc or pointing to the sensor side surface of the brake disc. Among all of the at least one non-contact Sensor detected distances then represents the smallest distance the assumed state of Bremszuspann ein.
  • the output signal representing the particular degree of brake pad thickness is preferably generated exclusively in the brake-set position, the outlay on signal generation and also on the computational outlay are reduced.
  • the disc brake device may also include an electronic control device with a brake checking routine which controls the disc brake device in the Bremszuspann ein as part of a Bremsprüflaufs and then controls the device for determining the brake lining thickness of the brake pads to detect the respective brake lining thickness of the brake pads and the respective degree of brake lining thickness to produce representative output signals.
  • a brake test run can be carried out in particular at regular intervals.
  • the sensor device may additionally comprise at least one temperature sensor which is combined with the at least one non-contact sensor in a structural unit, wherein an output signal representing the temperature of the brake disk is generated by interaction of the temperature sensor with the electronic evaluation device.
  • the evaluation device can then be designed such that it transmits the output signal or the output signals, namely the output signal relating to the instantaneous brake lining thickness and / or the output signal concerning the instantaneous temperature of the brake disc, for example wirelessly to a display device which displays a value representing the respective output signal.
  • the evaluation device can be designed for wireless transmission of the output signal and, for this purpose, interact with a Bluetooth low-energy transmitter, for example.
  • the output signals of a plurality of evaluation devices can be transmitted wirelessly from a plurality of disc brake devices of the vehicle to the display device of the vehicle, so that for each of the disc brake devices present on a vehicle, the respective brake lining thickness can be displayed on the display device.
  • a wired transmission it is also conceivable a wired transmission.
  • the output signals can also be stored as data in a readable memory and, if necessary, e.g. be read out as part of a brake maintenance.
  • the invention also relates to a vehicle, in particular a track-bound rail vehicle with at least one disc brake device described above.
  • the invention also relates to a track-bound rail vehicle with at least one disc brake device described above with a brake disc and at least two with the brake disc in a Bremszuspann ein in frictional contact brake linings, wherein the brake pads are each supported by a brake pad holder which is mounted on a caliper lever a brake caliper, wherein the sensor device includes at least one non-contact sensor, which is attached to or in the pliers lever and formed so that it detects the distance between the non-contact sensor and pointing to the non-contact sensor side surface of the brake disc contactless at least in the Bremszuspann ein.
  • the non-contact sensor is therefore arranged on the caliper lever such that its measuring direction is approximately perpendicular to the side surface of the brake disc.
  • the invention relates to a non-lane road vehicle having at least one disc brake device with a brake disc and at least two friction linings in frictional contact with the brake disc in a brake application position, wherein the brake linings are each supported by a brake pad holder which is mounted on a brake caliper.
  • the sensor device then includes at least one non-contact sensor, which is attached to or in the brake pad holder and designed such that it is the distance between the non-contact sensor and a at least in the Bremszuspann ein detected contactless to the non-contact sensor facing side surface of the brake disc.
  • the non-contact sensor is therefore arranged on the brake pad holder, that its measuring direction is approximately perpendicular to the side surface of the brake disc.
  • 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.
  • FIG. 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 solenoid valve device is electrically controlled by an electronic control device, so that the disc brake device 100 is here preferably an electro-pneumatic disc brake device.
  • 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.
  • a lever on the pliers lever 6 associated first wear adjuster housing 21 is rotatably mounted 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.
  • 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 to form a Tothub worn 44, as shown in Figure 2, brake disk side with a distance s a lever member 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 device for determining the brake lining thickness of the brake linings 15. 3, this device comprises an electronic evaluation device 24 and a sensor device 26, in which case preferably the electronic evaluation device 24 and the sensor device 26 are combined in a structural unit 28.
  • the sensor device 26 detects the brake pad thickness of a brake pad 15 by interaction with the electronic evaluation device 24 and generates a respective output of the respective amount of brake pad thickness.
  • the device here includes, for example, two modules 28 each having a sensor device 26 in the form of a non-contact sensor, wherein a unit 28 is mounted in each case in a pliers lever.
  • Figure 3 is representative of the caliper lever 6 of the caliper lever 8 with its associated, attached to or in it assembly 28 shown.
  • the non-contact and attached to the caliper lever 8 sensor 26 is formed so that it symbolizes in Fig.3 as arrow 30 symbolized distance between the sensor 26 and an active sensor head and to him or to the caliper lever 8 side surface 38 of the brake disc detected without contact at least in the brake application position.
  • the non-contact sensor 26 is therefore arranged on or in the pliers lever 8 such that its measuring direction is approximately perpendicular to the side surface 38 of the brake disk.
  • the Non-contact sensor 26 may be an optical, capacitive or inductive sensor.
  • the caliper lever 8, which carries the non-contact sensor 26, changes in the wear of its associated brake pad 15 during braking or Bremszuspann ein its distance from the brake disc 1 according to the pad wear, so that the position of the caliper lever 8 during braking or in the Bremszuspann ein with respect to the brake disc 1 and with respect to the side surface 38 of the brake disc 1, which points to the respective forceps lever 8 and to the non-contact sensor 26 may be considered as a measure of the wear of the lining.
  • the non-contact sensor 26 is an optical, capacitive or inductive sensor.
  • any sensor is conceivable, with which a distance between the sensor or its active sensor head and the brake disc 1 and the side surface 38 of the brake disc 1, which points to the respective caliper lever 8 and the non-contact sensor 26, are measured without contact can.
  • the non-contact sensor 26 may in particular be received in a blind hole or through hole of the caliper lever 8, as is easily imagined with reference to FIG.
  • the device for determining the brake lining thickness of the brake linings 15 also comprises at least one energy supply device 40, wherein, for example, a power supply device 40 supplies an assembly 28 of the sensor device 26 (non-contact sensor) and electronic evaluation device 24 with electrical energy.
  • a power supply device 40 for example, have at least one battery.
  • a power supply device 40 preferably has a thermoelectric element 42, which is also arranged or fastened here, for example, on the caliper lever 8, that is, on a surface or on a component of the disc brake device 100, which in the Bremszuspann ein with by the frictional contact is applied between the brake pads and the brake disc resulting thermal energy.
  • the thermoelectric element 42 generates
  • the electrical energy supply device 40 is then preferably connected by an electrical cable 48 to the assembly 28 in order to supply them with electric current.
  • thermoelectric element 42 which is arranged on the heat generated during a braking operation or Bremszuspann ein caliper lever 8 of the disc brake device 100, the force acting on the thermoelectric element 42 thermal energy, for example, using the known Seebeck effect 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 caliper levers 6, 8 in the brake tensioning position, because there the temperature during braking or in the brake tensioning position is arranged by the adjacently arranged and cooperating with the brake disk 1 Brake pads 15 rises.
  • the thermoelectric element 42 has, for example, a first semiconductor section in contact with the caliper lever 8 and a second semiconductor section spaced apart from the caliper lever 8. Between the first semiconductor section and the second semiconductor section is a conventional barrier or separation layer in thermoelectric elements 42, which separates the two semiconductor sections and from each other. Therefore, the first semiconductor portion is preferably located at a position such as the caliper lever 8, which is acted upon by a braking operation by the disc brake device 100, whereas the second semiconductor portion is disposed at a position of the disc brake device 100 at which a lower temperature prevails , Accordingly, there is a temperature difference between the two semiconductor sections when braking or in the brake application position.
  • each of the two assembly units 28 arranged in or on the forceps levers 6, 8 generates a first output signal which represents the instantaneous brake lining thickness of the brake lining 15 fastened to the respective forceps lever 6 or 8.
  • the sensor device may also comprise a temperature sensor which is combined with the contactless distance sensor 26 in the respective assembly 28.
  • This temperature sensor is, for example, heat radiation-receptive and is then also the brake disc or the side surface 38 of the brake disc 1 opposite and can then detect their temperature.
  • the temperature sensor by interaction of the temperature sensor with the electronic evaluation device 24, a temperature of the brake disc 1 during braking representative second output signal is generated.
  • the electronic evaluation device 24 is then designed such that it transmits both output signals, namely the first output signal relating to the instantaneous brake lining thickness and the second output signal relating to the instantaneous temperature of the brake disk 1 to a display device, not shown here, which then displays a value representing the respective output signal.
  • the evaluation devices 24 of the modules 28 are here designed, for example, for wireless transmission of the output signals and, for example, interact with a Bluetooth low-energy transmitter, which is then preferably likewise integrated into the relevant module 28.
  • the first and second output signals of a plurality of electronic evaluation devices 24 or a plurality of modules 28 can be transmitted wirelessly from a plurality of disc brake devices 100 of the vehicle to the display device of the rail vehicle, such that for each of the disc brake devices 100 present on a rail vehicle the value for the respective brake pad thickness and the value of the temperature of the brake disc 1 can be displayed on the display device.
  • the first and second output signals for each of the disc brake devices 100 may also be stored as data in a readable memory and, if necessary, e.g. be read out as part of a brake maintenance.
  • an electronic control device may be provided with a brake checking routine which controls the electro-pneumatic disc brake device 100, which is preferably electrically operable here, as part of a brake check run into the brake set position, then activates the device for determining the brake pad thickness of the brake linings to detect respective brake lining thickness of the brake pads 15 as described above and to generate the output signals representing the respective amount of brake lining thickness.
  • a brake test run can be carried out in particular at regular intervals.
  • the brake pads 15 may be supported by a respective brake pad holder, which is mounted on a brake caliper.
  • a disc brake device 100 is used primarily in non-track-bound road vehicles.
  • the brake pad carrier with brake piston and / or with the caliper are in operative connection and perform a linear movement parallel to the central axis of the brake disc 1.
  • the sensor device includes at least one non-contact sensor 26, which is attached to or in the brake pad holder and which is designed such that it measures the distance between the non-contact sensor 26 and a side surface 38 of the brake disc 1 facing the non-contact sensor 26 detected contactless at least in the Bremszuspann ein.
  • the non-contact sensor 26 can then be accommodated in particular in a blind hole or through hole of the brake pad holder in a, in which the brake pad holder projects beyond the brake pad laterally. All other features described above may then also be implemented individually or in combination with one another in such a disc brake device 100.
  • Power supply means thernnoelektnsches element lever part

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

Abstract

L'invention concerne un dispositif frein à disque (100) de véhicule comprenant un disque de frein (1) et au moins deux garnitures de frein (15) en contact de friction avec le disque de frein (1) dans une position de serrage de frein, les garnitures de frein (15) étant supportées par respectivement un support de garniture de frein (4), lequel est monté sur un étrier de frein ou sur un levier (6, 8) d'un étrier de frein (7), et un dispositif servant à déterminer l'épaisseur d'au moins l'une des garnitures de frein (15), lequel dispositif comporte un dispositif d'évaluation électronique (24) et un dispositif de détection (26), lequel détecte l'épaisseur respective de ladite au moins une garniture de frein (15) et produit, par coopération avec un dispositif d'évaluation électronique (24), un signal de sortie représentant la mesure respective de l'épaisseur de garniture de frein. Selon l'invention, le dispositif de détection (26) comporte au moins un capteur fonctionnant sans contact, lequel est fixé et réalisé sur ou dans le support de garniture de frein ou dans ou sur le levier d'étrier (6, 8), de telle sorte qu'il détecte sans contact la distance entre le capteur fonctionnant sans contact et une surface latérale (38), tournée vers le capteur fonctionnant sans contact, du disque de frein (1) au moins dans la position de serrage de frein.
EP18716928.9A 2017-03-27 2018-03-26 Dispositif frein à disque de véhicule à détection de l'usure des garnitures de frein Withdrawn EP3601832A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017106554.7A DE102017106554A1 (de) 2017-03-27 2017-03-27 Scheibenbremsvorrichtung eines Fahrzeugs mit Bremsbelagverschleißerfassung
PCT/EP2018/057654 WO2018178018A1 (fr) 2017-03-27 2018-03-26 Dispositif frein à disque de véhicule à détection de l'usure des garnitures de frein

Publications (1)

Publication Number Publication Date
EP3601832A1 true EP3601832A1 (fr) 2020-02-05

Family

ID=61952640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18716928.9A Withdrawn EP3601832A1 (fr) 2017-03-27 2018-03-26 Dispositif frein à disque de véhicule à détection de l'usure des garnitures de frein

Country Status (4)

Country Link
EP (1) EP3601832A1 (fr)
CN (1) CN110462246B (fr)
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EP3815993B1 (fr) 2019-10-30 2023-03-29 KNORR-BREMSE Systeme für Schienenfahrzeuge GmbH Unité de freinage à bande de roulement pour un véhicule ferroviaire
CN110966328B (zh) * 2020-01-02 2021-03-30 中车青岛四方车辆研究所有限公司 制动夹钳单元的实时状态监测装置、制动夹钳单元及方法
DE102020124645A1 (de) 2020-09-22 2022-03-24 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Bremszangeneinheit mit einer Verschleißsensorvorrichtung, und Verfahren zum Erfassen von Verschleiß von Bremsbelägen und Brems-scheibe einer Bremszangeneinheit
DE102021112130A1 (de) 2021-05-10 2022-11-10 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Bremszangeneinheit mit einer Verschleißsensorvorrichtung, und Verfahren zum Erfassen von Verschleiß von Bremsbelägen und Bremsscheibe einer Bremszangeneinheit einer Scheibenbremse
CN113685468B (zh) * 2021-09-07 2023-03-28 北京建筑大学 一种制动闸片剩余厚度的检测装置

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CN110462246A (zh) 2019-11-15
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DE102017106554A1 (de) 2018-09-27

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