DE102005022597A1 - Floating saddle disk brake, with a floating saddle in a sliding mounting, has an inductive coil to register the saddle movement for evaluation as a continuous measurement of the brake pad wear - Google Patents
Floating saddle disk brake, with a floating saddle in a sliding mounting, has an inductive coil to register the saddle movement for evaluation as a continuous measurement of the brake pad wear Download PDFInfo
- Publication number
- DE102005022597A1 DE102005022597A1 DE200510022597 DE102005022597A DE102005022597A1 DE 102005022597 A1 DE102005022597 A1 DE 102005022597A1 DE 200510022597 DE200510022597 DE 200510022597 DE 102005022597 A DE102005022597 A DE 102005022597A DE 102005022597 A1 DE102005022597 A1 DE 102005022597A1
- Authority
- DE
- Germany
- Prior art keywords
- floating caliper
- brake
- disc brake
- sleeve
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000007667 floating Methods 0.000 title claims abstract description 54
- 230000001939 inductive effect Effects 0.000 title claims abstract description 24
- 238000011156 evaluation Methods 0.000 title claims description 8
- 238000005259 measurement Methods 0.000 title description 5
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000005291 magnetic effect Effects 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- 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
- F16D55/225—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 the braking members being brake pads
- F16D55/226—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 the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
- F16D55/2265—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 the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by one or more pins engaging bores in the brake support or the brake housing
- F16D55/22655—Constructional details of guide pins
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Description
Die Erfindung betrifft eine Schwimmsattel-Scheibenbremse mit einer Vorrichtung zur Bremsbelagverschleißbestimmung, die den Bremsbelagverschleiß aus dem Verschiebeweg des Schwimmsattels ermittelt.The The invention relates to a floating caliper disc brake with a device for brake pad wear determination, the brake pad wear out determined the displacement of the floating caliper.
So
ist aus der
Darüber hinaus
beschreibt die
Ausgehend davon ist es die Aufgabe der Erfindung, eine Vorrichtung zur Bestimmung des Bremsbelagverschleißes bei einer Schwimmsattel-Scheibenbremse anzugeben, die bei allen auftretenden Umgebungsbedingungen eine zuverlässige sowie kontinuierliche Bestimmung des Bremsbelagverschleißes zulässt.outgoing From this it is the object of the invention to provide a device for determination brake pad wear in a floating caliper disc brake, which at all occurring environmental conditions a reliable and continuous Determination of brake pad wear permits.
Gelöst wird diese Aufgabe durch eine Schwimmsattel-Scheibenbremse mit einem Schwimmsattel, der mittels einer Führungsvorrichtung an einem ortsfesten Bauteil verschiebbar gelagert ist und eine zugehörige Bremsscheibe sowie beiderseits der Bremsscheibe angeordnete Bremsbeläge übergreift, und mit einer Vorrichtung zur Bestimmung des Bremsbelagverschleißes umfassend einen Aufnehmer zur Erfassung eines vom Bremsbelagverschleiß abhängigen Verschiebewegs an der Schwimmsattel-Scheibenbremse sowie eine Auswerteeinheit zur Verarbeitung der vom Aufnehmer generierten Daten. Dabei ist der Aufnehmer vorteilhaft als induktiver Aufnehmer ausgebildet, der eine Spule und einen magnetisch wirksamen Spulenkern aufweist. Derartige induktive Aufnehmer sind äußerst robust und sind auch unter den schwierigen Umgebungsbedingungen im Umfeld der Bremse zuverlässig wirksam.Is solved this task by a floating caliper disc brake with a floating caliper, by means of a guide device is slidably mounted on a stationary component and an associated brake disc and on both sides of the brake disc arranged brake pads overlaps, and comprising a device for determining brake pad wear a sensor for detecting a dependent of the brake pad wear displacement at the floating caliper disc brake and an evaluation unit for Processing of the data generated by the transducer. It is the Transducer advantageously designed as an inductive pickup, the having a coil and a magnetically active coil core. such Inductive transducers are extremely robust and are also in the difficult environmental conditions in the environment the brake reliable effective.
Gemäß einer sinnvollen Ausführungsform ist der induktive Aufnehmer an der Führungsvorrichtung angeordnet, um den Schwimmsattel-Verschiebeweg zu erfassen. Da der Schwimmsattel-Verschiebeweg abhängig vom Bremsbelagverschleiß ist, lässt sich daraus auch der Verschleißzustand der Bremsbeläge bestimmen.According to one meaningful embodiment the inductive pickup is arranged on the guide device, to capture the floating caliper displacement. Since the floating caliper displacement depends on Brake pad wear is, it can be also the state of wear determine the brake pads.
Eine bevorzugte Variante der Schwimmsattel-Scheibenbremse ergibt sich dadurch, dass die Führungsvorrichtung als Bolzenführung ausgebildet ist mit zumindest einem Führungsbolzen, der entweder am ortsfesten Bauteil oder am Schwimmsattel befestigt ist und jeweils verschiebbar in einer zugehörigen Bohrung am Schwimmsattel bzw. ortsfesten Bauteil gelagert ist. Für diesen Fall weist der induktiver Aufnehmer eine Spule mit hülsenförmiger Spulenwicklung und einen Führungsbolzen als Spulenkern auf. Durch Verwendung eines induktiven Aufnehmers an einer Bolzenführung ergibt sich eine besonders einfacher Aufbau der Vorrichtung zur Bremsbelagverschleißbestimmung.A preferred variant of the floating caliper disc brake results in that the guiding device as a bolt guide is formed with at least one guide pin, either is attached to the stationary component or the floating caliper and respectively slidable in an associated Bore is mounted on the floating caliper or stationary component. For this Case, the inductive pickup has a coil with a sleeve-shaped coil winding and a guide pin as a coil core. By using an inductive pickup on a bolt guide This results in a particularly simple construction of the device for Brake pad wear determination.
Eine sinnvolle Variante des induktiven Aufnehmers sieht vor, die hülsenförmige Spule in der Bohrung am Schwimmsattel bzw. ortsfesten Bauteil befestigt ist, beispielsweise durch Verschrauben, Verrasten, Verklemmen, Verkleben, etc.. Die Befestigung der Spule kann dabei unmittelbar oder unter Zwischenschaltung z. B. eines Gehäuses erfolgen. Darüber hinaus ist der Führungsbolzen als Spulenkern vorzugsweise aus ferromagnetischem Material gefertigt. Falls der Führungsbolzen aus nichtmagnetischem Material besteht ist es möglich diesen gezielt zu magnetisieren. Dies kann beispielsweise durch Anbringen eines magnetischen Bauteiles oder durch Aufbringen einer magnetischen Beschichtung erfolgen.A reasonable variant of the inductive pickup provides, the sleeve-shaped coil fastened in the bore on the floating caliper or stationary component is, for example, by screwing, latching, jamming, gluing, etc. The attachment of the coil can be directly or with interposition z. B. a housing respectively. About that In addition, the guide pin as a coil core preferably made of ferromagnetic material. If the guide pin made of non-magnetic material, it is possible to specifically magnetize this. This can be done, for example, by attaching a magnetic component or by applying a magnetic coating.
Eine vorteilhafte erste Ausführung des induktiven Aufnehmers wird dadurch erreicht, dass die hülsenförmige Spule insbesondere senkrecht zur Hülsenachse eine hohe Dämpfungswirkung aufweist. Damit kann eine zusätzliche Dämpfungshülse vorteilhaft entfallen. Es besteht jedoch auch die Möglichkeit die Spulenwicklung in eine Dämpfungshülse zu integrieren, um auf diesem Wege eine Bauteilreduzierung zu erreichen. Gemäß einer alternativen zweiten Variante weist der induktive Aufnehmer neben der hülsenförmigen Spule eine insbesondere senkrecht zur Hülsenachse wirksame zusätzliche Dämpfungshülse auf.An advantageous first embodiment of the inductive pickup is achieved in that the sleeve-shaped coil, in particular perpendicular to the sleeve axis has a high damping effect. This can advantageously be dispensed with an additional damping sleeve. However, there is also the possibility To integrate the coil winding in a damping sleeve to achieve in this way a component reduction. According to an alternative second variant, the inductive pickup in addition to the sleeve-shaped coil on an especially effective perpendicular to the sleeve axis additional damping sleeve.
Eine weitere vorteilhafte Aufnehmerausführung ergibt sich dadurch, dass der induktive Aufnehmer mit zumindest einem Spannungsversorgungseingang und/oder wenigstens einem Spannungsversorgungsausgang versehen ist. Hierbei bietet es sich an, an den Enden der hülsenförmigen Spule jeweils einen Spannungsversorgungseingang und in der Mitte der Spule einen Spannungsversorgungsausgang vorzusehen. Diese Anordnung erlaubt die Festlegung eines Ausgangspunkts für die Erfassung des Bremsbelagverschleißes. So kann der Ausgangspunkt der Bremsbelagverschleißbestimmung z. B. im Neuzustand der Bremsbeläge bestehen.A further advantageous Aufnehmerausführung results from that the inductive pickup with at least one power supply input and / or at least one power supply output is provided. It is advisable, at the ends of the sleeve-shaped coil one each Power supply input and in the middle of the coil to provide a power supply output. This arrangement allows the determination of a starting point for detection brake pad wear. So the starting point of the brake pad wear determination z. B. in new condition of the brake pads consist.
Sinnvollerweise ist die Auswerteeinheit zur Verarbeitung der erfassten Bremsbelagverschleißdaten in räumlichem Abstand zur Schwimmsattel-Scheibenbremse angeordnet. Dadurch können negative Umgebungseinwirkungen, wie sie im direkten Umfeld der Bremse in Form von hohen Temperaturen sowie Schmutz- und Feuchtigkeitsbelastungen auftreten, wirkungsvoll unterbunden werden.Logically, is the evaluation unit for processing the detected brake pad wear data in spatial Distance to the floating caliper disc brake arranged. This can be negative Environmental effects, such as those in the immediate vicinity of the brake in Form of high temperatures as well as dirt and moisture loads occur be effectively prevented.
Weitere sinnvolle Detailmerkmale der Erfindung sind einem Ausführungsbeispiel in den Figuren zu entnehmen und werden im folgenden näher erläutert.Further meaningful detail features of the invention are an embodiment can be seen in the figures and are explained in more detail below.
Es zeigt:It shows:
Die
Schwimmsattel-Scheibenbremse
Zur
kontinuierlichen Bestimmung des Bremsbelagverschleißes im laufenden
Bremsenbetrieb weist die Schwimmsattel-Scheibenbremse
Voraussetzung
für das
induktive Messprinzip ist die magnetische Wirksamkeit des Führungsbolzens
An
der Spule
Zum
Ausgleich von Fertigungstoleranzen, die sich unter anderem auf die
Positionierung der Führungsbolzen
Alternativ
ist es gemäß einer
nicht gezeigten Variante ebenso denkbar, die zusätzliche Dämpfungshülse
Zur
weiteren Verarbeitung der vom induktiven Aufnehmer
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510022597 DE102005022597A1 (en) | 2005-05-17 | 2005-05-17 | Floating saddle disk brake, with a floating saddle in a sliding mounting, has an inductive coil to register the saddle movement for evaluation as a continuous measurement of the brake pad wear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510022597 DE102005022597A1 (en) | 2005-05-17 | 2005-05-17 | Floating saddle disk brake, with a floating saddle in a sliding mounting, has an inductive coil to register the saddle movement for evaluation as a continuous measurement of the brake pad wear |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005022597A1 true DE102005022597A1 (en) | 2006-11-30 |
Family
ID=37387519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510022597 Withdrawn DE102005022597A1 (en) | 2005-05-17 | 2005-05-17 | Floating saddle disk brake, with a floating saddle in a sliding mounting, has an inductive coil to register the saddle movement for evaluation as a continuous measurement of the brake pad wear |
Country Status (1)
Country | Link |
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DE (1) | DE102005022597A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2458240A1 (en) * | 2010-11-26 | 2012-05-30 | Haldex Brake Products AB | Brake Monitoring Device for a Disc Brake |
FR2986051A1 (en) * | 2012-01-24 | 2013-07-26 | Peugeot Citroen Automobiles Sa | Disk brake for wheel of vehicle e.g. car, has measurement device to measure thickness of brake pad located at side of disk opposite to actuation unit, and indicator to indicate state of wear of pad and another pad from thickness measurement |
FR2986049A1 (en) * | 2012-01-24 | 2013-07-26 | Peugeot Citroen Automobiles Sa | Disk brake for wheel of vehicle e.g. car, has measurement device to measure displacement of pin guide of caliper, and indicator to indicate state of wear of brake pads from measurement, where pin guide is inserted in cavity of cover |
WO2013143992A1 (en) * | 2012-03-26 | 2013-10-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Floating-caliper disk brake of a motor vehicle |
DE102012012830A1 (en) * | 2012-06-28 | 2014-01-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake of a motor vehicle |
CN104204598A (en) * | 2012-04-11 | 2014-12-10 | 丰田自动车株式会社 | Disc brake |
DE102014106534A1 (en) * | 2014-05-09 | 2015-11-12 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle |
US20180223934A1 (en) * | 2015-10-12 | 2018-08-09 | Wabco Europe Bvba | Monitoring device for a disk brake of a motor vehicle |
JP2019019979A (en) * | 2017-07-12 | 2019-02-07 | センサータ テクノロジーズ インコーポレーテッド | Position sensing system for braking system |
US10233984B2 (en) | 2017-04-24 | 2019-03-19 | Ford Global Technologies, Llc | Multiple function brake caliper guide pin |
Citations (7)
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DE2123750A1 (en) * | 1971-05-13 | 1972-11-30 | Bosch Gmbh Robert | Device for measuring the lining thickness of friction parts, in particular of brake linings |
DE3707821A1 (en) * | 1987-03-11 | 1988-09-22 | Bayerische Motoren Werke Ag | Device for displaying the brake lining wear of a floating calliper disc brake |
DE3914399A1 (en) * | 1989-02-04 | 1990-10-31 | Teves Gmbh Alfred | Friction lining warning unit for disc brake - uses non-wear reusable brake lining warning unit with brake housing and carrier and guide bolt |
DE19738317A1 (en) * | 1997-09-02 | 1999-03-18 | Itt Mfg Enterprises Inc | Sensor for continuous determination of wear of motor vehicle brake linings |
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2005
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DE2123750A1 (en) * | 1971-05-13 | 1972-11-30 | Bosch Gmbh Robert | Device for measuring the lining thickness of friction parts, in particular of brake linings |
DE3707821A1 (en) * | 1987-03-11 | 1988-09-22 | Bayerische Motoren Werke Ag | Device for displaying the brake lining wear of a floating calliper disc brake |
DE3914399A1 (en) * | 1989-02-04 | 1990-10-31 | Teves Gmbh Alfred | Friction lining warning unit for disc brake - uses non-wear reusable brake lining warning unit with brake housing and carrier and guide bolt |
DE69705079T2 (en) * | 1996-02-07 | 2002-03-14 | Meritor Technology, Llc | Means for detecting the state of a brake |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9511755B2 (en) | 2010-11-26 | 2016-12-06 | Haldex Brake Products Ab | Brake monitoring device for a disc brake |
EP2458240A1 (en) * | 2010-11-26 | 2012-05-30 | Haldex Brake Products AB | Brake Monitoring Device for a Disc Brake |
FR2986051A1 (en) * | 2012-01-24 | 2013-07-26 | Peugeot Citroen Automobiles Sa | Disk brake for wheel of vehicle e.g. car, has measurement device to measure thickness of brake pad located at side of disk opposite to actuation unit, and indicator to indicate state of wear of pad and another pad from thickness measurement |
FR2986049A1 (en) * | 2012-01-24 | 2013-07-26 | Peugeot Citroen Automobiles Sa | Disk brake for wheel of vehicle e.g. car, has measurement device to measure displacement of pin guide of caliper, and indicator to indicate state of wear of brake pads from measurement, where pin guide is inserted in cavity of cover |
WO2013143992A1 (en) * | 2012-03-26 | 2013-10-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Floating-caliper disk brake of a motor vehicle |
EP2831447B1 (en) | 2012-03-26 | 2017-11-01 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Floating-caliper disk brake of a motor vehicle |
CN104204598A (en) * | 2012-04-11 | 2014-12-10 | 丰田自动车株式会社 | Disc brake |
US20150107943A1 (en) * | 2012-04-11 | 2015-04-23 | Toyota Jidosha Kabushiki Kaisha | Disk brake |
US9758134B2 (en) * | 2012-04-11 | 2017-09-12 | Toyota Jidosha Kabushiki Kaisha | Disk brake |
EP2837847A4 (en) * | 2012-04-11 | 2016-01-13 | Toyota Motor Co Ltd | Disc brake |
DE102012012830A1 (en) * | 2012-06-28 | 2014-01-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake of a motor vehicle |
WO2014001452A1 (en) | 2012-06-28 | 2014-01-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake of a motor vehicle |
DE102014106534B4 (en) * | 2014-05-09 | 2017-03-16 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle |
DE102014106534A1 (en) * | 2014-05-09 | 2015-11-12 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake for a commercial vehicle |
US20180223934A1 (en) * | 2015-10-12 | 2018-08-09 | Wabco Europe Bvba | Monitoring device for a disk brake of a motor vehicle |
US10670098B2 (en) * | 2015-10-12 | 2020-06-02 | Wabco Europe Bvba | Monitoring device for a disk brake of a motor vehicle |
US10233984B2 (en) | 2017-04-24 | 2019-03-19 | Ford Global Technologies, Llc | Multiple function brake caliper guide pin |
JP2019019979A (en) * | 2017-07-12 | 2019-02-07 | センサータ テクノロジーズ インコーポレーテッド | Position sensing system for braking system |
JP7187191B2 (en) | 2017-07-12 | 2022-12-12 | センサータ テクノロジーズ インコーポレーテッド | Position sensing system for braking system |
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