DE102008014513A1 - Vehicle i.e. commercial motor vehicle, tire rolling noise detecting device, has sensor surrounded partially by housing fastened to vehicle, and vibration isolation elements arranged between housing and vehicle body - Google Patents
Vehicle i.e. commercial motor vehicle, tire rolling noise detecting device, has sensor surrounded partially by housing fastened to vehicle, and vibration isolation elements arranged between housing and vehicle body Download PDFInfo
- Publication number
- DE102008014513A1 DE102008014513A1 DE200810014513 DE102008014513A DE102008014513A1 DE 102008014513 A1 DE102008014513 A1 DE 102008014513A1 DE 200810014513 DE200810014513 DE 200810014513 DE 102008014513 A DE102008014513 A DE 102008014513A DE 102008014513 A1 DE102008014513 A1 DE 102008014513A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- vehicle
- sensor
- rolling noise
- noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/58—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration responsive to speed and another condition or to plural speed conditions
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Erfassung eines Abrollgeräusches eines Fahrzeugreifens, umfassend einen Sensor.The The invention relates to a device for detecting a rolling noise a vehicle tire comprising a sensor.
Aus
der
Nachteilig dabei ist, dass mittels dieser Anordnung des Sensors ausschließlich ein Luftdruck messbar ist, da der Sensor vollständig von dem Luftbalg umschlossen ist.adversely It is that by means of this arrangement of the sensor exclusively an air pressure is measurable because the sensor is completely out of The air bellows is enclosed.
Darüber
hinaus ist aus der
Hierbei erweist sich als nachteilig, dass zusätzliche Geräusche des Fahrzeuges, beispielsweise durch Schwingungen einer Fahrzeugkarosserie verursacht, ein Messergebnis beeinflussen. Ein weiterer Nachteil resultiert aus Umwelteinflüssen, wie z. B. Regen und Schnee, die ebenfalls zu Messungenauigkeiten führen und den Sensor beschädigen.in this connection proves to be disadvantageous that additional noise of the vehicle, for example by vibrations of a vehicle body causes a measurement result. Another disadvantage results from environmental influences, such. Rain and snow, which also lead to measurement inaccuracies and the sensor to damage.
Der Erfindung liegt die Aufgabe zugrunde, eine verbesserte Vorrichtung zur Erfassung eines Abrollgeräusches, insbesondere eines Fahrzeugreifen-Fahrbahn-Geräusches, anzugeben.Of the Invention is based on the object, an improved device for detecting a rolling noise, in particular a Vehicle tire / road noise, to be specified.
Die Aufgabe wird erfindungsgemäß durch die in Anspruch 1 angegebenen Merkmale gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.The The object is achieved by the claim 1 specified characteristics solved. Advantageous developments The invention are the subject of the dependent claims.
Die Vorrichtung zur Erfassung insbesondere von Frequenzspektren eines Abrollgeräusches eines Fahrzeugreifens weist einen Sensor auf, wobei dieser zumindest teilweise von einem zugehörigen Gehäuse umgeben ist, um eine Qualität einer akustischen Messung zu erhöhen. Mittels des zugehörigen Gehäuses ist der Sensor besonders vorteilhaft vor Umwelteinflüssen bzw. Witterungsverhältnissen geschützt, die die erfassten Signale beeinflussen. Darüber hinaus kann der Sensor mittels des Gehäuses nicht durch Spritzwasser oder durch Steinschläge, insbesondere während eines Fahrbetriebes, beschädigt werden. Besonders vorteilhaft ist der Sensor auch bei hoher Luftfeuchtigkeit zur Erfassung des Abrollgeräusches einsetzbar. Dazu ist das Gehäuse beispielsweise aus einem Dämmschaum gebildet.The Device for detecting in particular frequency spectra of a Rolling noise of a vehicle tire has a sensor on, at least partially by an associated Housing is surrounded to a quality of an acoustic Increase measurement. By means of the associated housing the sensor is particularly advantageous against environmental influences or weather conditions that the affect detected signals. In addition, the Sensor by means of the housing not by splashing or by rockfalls, especially during one Driving operation, damaged. Especially advantageous The sensor is also at high humidity for detecting the rolling noise used. For this purpose, the housing is for example a Insulating foam formed.
Um Schallschwingungen, insbesondere einer Fahrzeugkarosserie, nicht auf den Sensor zu übertragen, ist das zugehörige Gehäuse vorzugsweise schwingungsisoliert am Fahrzeug, insbesondere in einem Radlauf, angeordnet. Hierzu sind in vorteilhafter Weise Schwingungsentkopplungselemente zwischen dem Sensor mit zugehörigem Gehäuse, insbesondere dem Gehäuse und der Fahrzeugkarosserie, angeordnet.Around Sound vibrations, in particular a vehicle body, not to transfer to the sensor is the associated Housing preferably vibration isolated on the vehicle, especially in a wheel arch, arranged. For this purpose, vibration decoupling elements between the Sensor with associated housing, in particular the Housing and the vehicle body, arranged.
Für die Erfassung des Abrollgeräusches ohne Schallreflexionen, wie zum Beispiel durch Wind- und Luftverwirbelungsgeräusche hervorgerufen, weist das zugehörige Gehäuse einen reflexionsarmen Raum auf. Dazu ist im Inneren des Gehäuses ein Kunststoffschaum angeordnet, wodurch der Sensor in vorteilhafter Weise zusätzlich gegen mechanische Einwirkungen sowie gegen elektromagnetische Felder geschützt ist.For the detection of the rolling noise without sound reflections, such as wind and air swirling noises evoked, the associated housing has a anechoic room. This is inside the case Plastic foam arranged, whereby the sensor in an advantageous Way in addition to mechanical effects and against electromagnetic fields is protected.
Das zugehörige Gehäuse weist eine Öffnung auf, durch die der Sensor das Abrollgeräusch erfasst und die besonders bevorzugt mit einem Kunststoffschaum versehen ist. Vorzugsweise ist der Kunststoffschaum Wasser abweisend. Dadurch ist bei sehr kalten Außentemperaturen ein Einfrieren, insbesondere ein Zufrieren, der Gehäuseöffnung vermieden.The associated housing has an opening, through which the sensor detects the rolling noise and the is particularly preferably provided with a plastic foam. Preferably the plastic foam is water repellent. This is very cold Outdoor temperatures freezing, especially freezing, the housing opening avoided.
Zur Erfassung des Abrollgeräusches ist die Öffnung des dem Sensor zugehörigen Gehäuses vorzugsweise direkt auf den Abrollpunkt des Fahrzeugreifens auf der Fahrbahn gerichtet.to Detecting the rolling noise is the opening the housing associated with the sensor preferably directly to the rolling point of the vehicle tire on the road directed.
Das Gehäuse weist im Inneren einen Geräuschmesskanal auf, welcher derart ausgebildet ist, dass dieser verschiedene Abschnitte aufweist. Dabei sind die Abschnitte so ausgeformt, dass Schmutzpartikel sowie Wasser vorzugsweise nicht zu dem Sensor vordringen.The Housing has inside a noise measuring channel on, which is designed such that this different sections having. The sections are shaped so that dirt particles and preferably water does not penetrate to the sensor.
In einer Ausgestaltung des Sensors ist in dem den Sensor zugehörigen Gehäuse ein Heizelement angeordnet, welches beispielsweise als Heizspirale ausgeführt ist. Mittels der Heizspirale ist in vorteilhafter Weise ein Einfrieren des Sensors verhindert.In an embodiment of the sensor is in the sensor associated Housing a heating element arranged, which, for example is designed as a heating coil. By means of the heating spiral is advantageously prevents freezing of the sensor.
In besonders vorteilhafter Weise ist der Sensor zur Erfassung des Abrollgeräusches ein Mikrofon, anhand dessen Schallschwingungen eines Fahrzeugreifen-Fahrbahn-Geräusches erfassbar sind.In Particularly advantageous is the sensor for detecting the rolling noise a microphone, on the basis of which sound vibrations of a vehicle tire-road noise are detectable.
Vorzugsweise ist ein Erfassen des Abrollgeräusches eines Fahrzeugreifens anhand des Sensors mit zugehörigem Gehäuse bei Betriebstemperaturen von –30°C bis +100°C realisierbar.Preferably is a detection of the rolling noise of a vehicle tire based on the sensor with associated housing Operating temperatures from -30 ° C to + 100 ° C realizable.
Mit dem erfindungsgemäßen Sensor sind Signale qualitativ hochwertig erfassbar, anhand derer unabhängig von Witterungsverhältnissen beispielsweise ein Fahrbahnzustand ermittelbar ist. Diese Informationen sind z. B. anderen steuerbaren Vorrichtungen zur Steuerung des Fahrverhaltens, insbesondere einem Antiblockiersystems und/oder einer Antischlupfregelung zuführbar, um die Verkehrssicherheit zu erhöhen. Darüber hinaus sind die Signale dahingehend verwendbar, eine Lärmbelästigung durch das Fahrzeugreifen-Fahrbahn-Geräusch zu ermitteln und gegebenenfalls durch weitere Maßnahmen und Änderungen im Aufbau von Fahrzeugreifen und/oder Fahrbahnbelägen zu reduzieren.With the sensor according to the invention signals are qualitative High-quality recordable, on the basis of which regardless of weather conditions For example, a road condition can be determined. This information are z. B. other controllable devices for controlling the driving behavior, in particular an anti-lock braking system and / or traction control deliverable to increase traffic safety. In addition, the signals can be used to a noise pollution by the vehicle tire-road noise and, if necessary, by further action and changes in the construction of vehicle tires and / or road surfaces to reduce.
Weiterhin kann man aus dem durch den Sensor erfassten Abrollgeräusch auf eine Abrollgeschwindigkeit des Fahrzeugreifens schließen, wodurch beispielsweise an einem Fahrzeugrad angebrachte Drehzahlfühler überprüft werden können.Farther you can from the recorded by the sensor rolling noise close to an unwinding speed of the vehicle tire, which checks, for example, mounted on a vehicle speed sensors can be.
Ausführungsbeispiele der Erfindung werden anhand von Zeichnungen näher erläutert.embodiments The invention will be explained in more detail with reference to drawings.
Dabei zeigen:there demonstrate:
Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen.each other corresponding parts are in all figures with the same reference numerals Mistake.
In
Dabei
ist in dem Radlauf R, beispielsweise an einem Fahrzeuggestell, ein
in
Besonders
bevorzugt ist der Sensor
Das
zugehörige Gehäuse
Das
dem Sensor zugehörige Gehäuse
In
dem gezeigten Ausführungsbeispiel ist das Gehäuse
Mittels
des den Sensor zumindest teilweise umgebenden Gehäuses
In
einer besonders vorteilhaften Ausgestaltung des Sensors
In
Zur
Vermeidung verfälschter Messergebnisse aufgrund von Wind-
und Luftverwirbelungsgeräuschen im Fahrbetrieb, ist in
dem Gehäuse
Ferner
ist der Sensor
In
dem Gehäuse ist ein Geräuschkanal
Die
Abschnitte
Ferner
ist der Sensor
In
einer möglichen Ausführungsform des Sensors
In
Anhand
des erfindungsgemäßen Sensors
Mittels der erfassten Signale lassen sich beispielsweise Rückschlüsse auf einen Fahrbahnzustand und/oder einen Geräuschpegel des Fahrzeugreifen-Fahrbahn-Geräusches im Fahrbetrieb ermitteln.through The detected signals can be, for example, conclusions on a road condition and / or a noise level determine the vehicle tire-road noise while driving.
- 11
- Sensorsensor
- 22
- Gehäusecasing
- 2.12.1
- Öffnungopening
- 2.22.2
- reflexionsarmer Raumanechoic room
- 2.32.3
- GeräuschmesskanalNoise measurement channel
- 2.3.12.3.1
- konischer Abschnittconical section
- 2.3.22.3.2
- konischer Abschnittconical section
- 2.42.4
- seitliche Öffnunglateral opening
- 33
- Fahrzeugreifenvehicle tires
- 44
- SchwingungsentkopplungselementVibration decoupling element
- 55
- Platinecircuit board
- RR
- Radlaufwheel arch
- KK
- Fahrzeugkarosserievehicle body
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 10009911 C1 [0002] - DE 10009911 C1 [0002]
- - DE 3728708 A1 [0004] - DE 3728708 A1 [0004]
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810014513 DE102008014513A1 (en) | 2008-03-15 | 2008-03-15 | Vehicle i.e. commercial motor vehicle, tire rolling noise detecting device, has sensor surrounded partially by housing fastened to vehicle, and vibration isolation elements arranged between housing and vehicle body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810014513 DE102008014513A1 (en) | 2008-03-15 | 2008-03-15 | Vehicle i.e. commercial motor vehicle, tire rolling noise detecting device, has sensor surrounded partially by housing fastened to vehicle, and vibration isolation elements arranged between housing and vehicle body |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008014513A1 true DE102008014513A1 (en) | 2008-10-16 |
Family
ID=39744404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200810014513 Withdrawn DE102008014513A1 (en) | 2008-03-15 | 2008-03-15 | Vehicle i.e. commercial motor vehicle, tire rolling noise detecting device, has sensor surrounded partially by housing fastened to vehicle, and vibration isolation elements arranged between housing and vehicle body |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008014513A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010053515A1 (en) * | 2008-10-29 | 2010-05-14 | Schrader Electronics Ltd. | Tire pressure sensing devices, systems and methods employing an acoustic amplifier |
DE102014115057A1 (en) | 2014-10-16 | 2016-04-21 | Valeo Schalter Und Sensoren Gmbh | Driver assistance system for assisting a driver of a motor vehicle, motor vehicle and method |
DE102015106401A1 (en) | 2015-04-27 | 2016-10-27 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for detecting a state of a roadway with at least two spaced ultrasonic sensors, driver assistance system, motor vehicle and associated method |
DE102015106408A1 (en) | 2015-04-27 | 2016-10-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Sensor arrangement for detecting a state of a roadway with an ultrasonic sensor, driver assistance system, motor vehicle and associated method |
DE102015106400A1 (en) | 2015-04-27 | 2016-10-27 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for detecting a state of a road with at least two ultrasonic sensors, driver assistance system, motor vehicle and associated method |
DE202018100637U1 (en) | 2018-02-06 | 2018-03-22 | Robert Bosch Gmbh | Vehicle component with cavity and sound detection sensor |
DE102018003127A1 (en) | 2018-04-17 | 2018-09-27 | Daimler Ag | Device and method for operating an assistance system |
DE102018206739A1 (en) * | 2018-05-02 | 2019-11-07 | Robert Bosch Gmbh | Method and device for detecting a road condition |
DE102018206703A1 (en) * | 2018-05-02 | 2019-11-07 | Robert Bosch Gmbh | Method and device for detecting a road condition |
DE102018218002A1 (en) * | 2018-10-22 | 2020-04-23 | Robert Bosch Gmbh | Method for controlling a vehicle lighting system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3728708A1 (en) | 1987-08-28 | 1989-03-23 | Bosch Gmbh Robert | METHOD FOR DETECTING THE FRICTION VALUE |
DE10009911C1 (en) | 2000-03-01 | 2001-10-04 | Contitech Luftfedersyst Gmbh | System and method for monitoring the air pressure of a vehicle tire |
-
2008
- 2008-03-15 DE DE200810014513 patent/DE102008014513A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3728708A1 (en) | 1987-08-28 | 1989-03-23 | Bosch Gmbh Robert | METHOD FOR DETECTING THE FRICTION VALUE |
DE10009911C1 (en) | 2000-03-01 | 2001-10-04 | Contitech Luftfedersyst Gmbh | System and method for monitoring the air pressure of a vehicle tire |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010053515A1 (en) * | 2008-10-29 | 2010-05-14 | Schrader Electronics Ltd. | Tire pressure sensing devices, systems and methods employing an acoustic amplifier |
US8072321B2 (en) | 2008-10-29 | 2011-12-06 | Schrader Electronics. Ltd. | Tire pressure sensing devices, systems and methods employing an acoustic amplifier |
DE102014115057A1 (en) | 2014-10-16 | 2016-04-21 | Valeo Schalter Und Sensoren Gmbh | Driver assistance system for assisting a driver of a motor vehicle, motor vehicle and method |
WO2016058770A1 (en) * | 2014-10-16 | 2016-04-21 | Valeo Schalter Und Sensoren Gmbh | Driver assistance system for assisting a driver of a motor vehicle, motor vehicle, and method |
WO2016173945A1 (en) | 2015-04-27 | 2016-11-03 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for detecting a state of a roadway, comprising at least two ultrasonic sensors spaced apart from one another, a driver assistance system, a motor vehicle, and an associated method |
US10160454B2 (en) | 2015-04-27 | 2018-12-25 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for detecting a state of a road with at least two ultrasound sensors arranged apart from one another, driver assistance system, motor vehicle and associated method |
DE102015106400A1 (en) | 2015-04-27 | 2016-10-27 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for detecting a state of a road with at least two ultrasonic sensors, driver assistance system, motor vehicle and associated method |
WO2016173847A1 (en) | 2015-04-27 | 2016-11-03 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for detecting a state of a roadway using an ultrasonic sensor, a driver assistance system, a motor vehicle, and an associated method |
DE102015106401A1 (en) | 2015-04-27 | 2016-10-27 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for detecting a state of a roadway with at least two spaced ultrasonic sensors, driver assistance system, motor vehicle and associated method |
DE102015106400B4 (en) | 2015-04-27 | 2023-11-02 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for detecting a condition of a road with at least two ultrasonic sensors, driver assistance system, motor vehicle and associated method |
US10549734B2 (en) | 2015-04-27 | 2020-02-04 | Valeo Schalter Und Sensoren Gmbh | Sensor arrangement for detecting a state of a roadway using an ultrasonic sensor, a driver assistance system, a motor vehicle, and an associated method |
DE102015106408A1 (en) | 2015-04-27 | 2016-10-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Sensor arrangement for detecting a state of a roadway with an ultrasonic sensor, driver assistance system, motor vehicle and associated method |
DE202018100637U1 (en) | 2018-02-06 | 2018-03-22 | Robert Bosch Gmbh | Vehicle component with cavity and sound detection sensor |
DE102018003127A1 (en) | 2018-04-17 | 2018-09-27 | Daimler Ag | Device and method for operating an assistance system |
DE102018206739A1 (en) * | 2018-05-02 | 2019-11-07 | Robert Bosch Gmbh | Method and device for detecting a road condition |
DE102018206703A1 (en) * | 2018-05-02 | 2019-11-07 | Robert Bosch Gmbh | Method and device for detecting a road condition |
CN112074758A (en) * | 2018-05-02 | 2020-12-11 | 罗伯特·博世有限公司 | Method and device for identifying road conditions |
US11487005B2 (en) | 2018-05-02 | 2022-11-01 | Robert Bosch Gmbh | Method and device for identifying a road condition |
DE102018218002A1 (en) * | 2018-10-22 | 2020-04-23 | Robert Bosch Gmbh | Method for controlling a vehicle lighting system |
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OAV | Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1 | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee | ||
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Effective date: 20141001 |