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DE102011011962A1 - Crash sensor for motor car, has deformable hose with cavity and pressure sensor for acquisition of pressure change in cavity of hose, where crash is resilient, and hose is made of cross linked silicone material - Google Patents

Crash sensor for motor car, has deformable hose with cavity and pressure sensor for acquisition of pressure change in cavity of hose, where crash is resilient, and hose is made of cross linked silicone material Download PDF

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Publication number
DE102011011962A1
DE102011011962A1 DE201110011962 DE102011011962A DE102011011962A1 DE 102011011962 A1 DE102011011962 A1 DE 102011011962A1 DE 201110011962 DE201110011962 DE 201110011962 DE 102011011962 A DE102011011962 A DE 102011011962A DE 102011011962 A1 DE102011011962 A1 DE 102011011962A1
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Germany
Prior art keywords
hose
cavity
crash
sensor
silicone material
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DE201110011962
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German (de)
Inventor
Thomas Götz
Lorenz Pfau
Tobias Tyroller
Björg Haupt
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Continental Automotive GmbH
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Continental Automotive GmbH
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Publication date
Application filed by Continental Automotive GmbH filed Critical Continental Automotive GmbH
Priority to DE201110011962 priority Critical patent/DE102011011962A1/en
Priority to EP11831794.0A priority patent/EP2678191B1/en
Priority to PCT/DE2011/001757 priority patent/WO2012113362A1/en
Priority to KR1020137024562A priority patent/KR101775382B1/en
Priority to DE202011110919.8U priority patent/DE202011110919U1/en
Priority to DE112011103050.9T priority patent/DE112011103050B4/en
Priority to JP2013553786A priority patent/JP2014505629A/en
Publication of DE102011011962A1 publication Critical patent/DE102011011962A1/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The sensor has a deformable hose (3) with a cavity and a pressure sensor for acquisition of pressure change in a cavity of the hose. The crash is resilient, and the hose is made of cross linked silicone material. The silicone material has shore hardness of 40-80. The hose has internal diameter of 2.5-6mm and outer diameter of about 12mm. The hose has length (3L) of about 2.3m and bending radius of less than 25mm.

Description

Die Erfindung betrifft einen Aufprallsensor gemäß dem Oberbegriff von Anspruch 1.The invention relates to a crash sensor according to the preamble of claim 1.

Ein Kraftfahrzeug weist dabei mindestens einen, oft auch mehrere Aufprallsensoren zur Erzeugung eines von der Art und/oder Stärke des Aufpralls abhängigen Signals auf.In this case, a motor vehicle has at least one, often also a plurality of impact sensors for generating a signal which depends on the type and / or magnitude of the impact.

Ein dazu geeigneter Aufprallsensor besteht beispielsweise aus einem elastisch deformierbaren Schlauch mit einem Hohlraum und zumindest einem Drucksensor zur Erfassung der Druckänderung im Hohlraum des Schlauchs. Derartige Aufprallsensoren dienen in Kraftfahrzeugen der Erkennung von Aufprallsituationen, insbesondere auch der Unterscheidung eines Aufpralls eines Fußgängers von anderen Aufprallereignissen und sind beispielsweise aus der EP 937612 A2 bekannt.A suitable impact sensor consists for example of an elastically deformable hose with a cavity and at least one pressure sensor for detecting the change in pressure in the cavity of the hose. Such crash sensors are used in motor vehicles to detect impact situations, in particular the distinction of a collision of a pedestrian from other impact events and are for example from the EP 937612 A2 known.

Die Aufgabe der vorliegenden Erfindung ist es, eine besonders geeignete Ausgestaltung eines solchen Aufprallsensors anzugeben. Diese Aufgabe wird durch die Merkmale der unabhängigen Ansprüche gelöst. Vorteilhafte Weiterbildungen der Erfindung ergeben sind aus den Unteransprüchen, wobei auch Kombinationen und Weiterbildungen einzelner Merkmale miteinander denkbar sind.The object of the present invention is to provide a particularly suitable embodiment of such an impact sensor. This object is solved by the features of the independent claims. Advantageous developments of the invention will become apparent from the dependent claims, wherein combinations and developments of individual features are conceivable with each other.

Ein wesentlicher Gedanke der Erfindung besteht darin, dass als Material für den Schlauch ein vernetzter Silikon verwendet wird. Vernetzter, also vulkanisierter Silikon, auch Silikonkautschuk genannt, erweist sich gegenüber der Vielzahl anderer elastischer Kunststoffe durch besonders gleichmäßige elastische Eigenschaften auch bei unterschiedlichen Umgebungstemperaturen als besonders geeignet für diesen Anwendungsfall. Vorzugsweise wird hochtemperaturvernetztes Silikon mit einer Shore A-Härte gemäß DIN 53505 , IN EN ISO 868 zwischen 50 und 70, vorzugsweise ca. 60 verwendet. Als Silikon-Kautschuktypen sind Methyl-Silikon-Kautschuk (MQ), MFQ, also MQ mit Fluor-Gruppen oder MPQ (MQ mit Phenyl-Gruppen), MVQ (MQ mit Vinyl-Gruppen) oder MPVQ (MQ mit Phenyl- u. Vinyl-Gruppen) (Abkürzungen jeweils gemäß DIN ISO 1629: 1992-03 ) bevorzugt.An essential idea of the invention is that a crosslinked silicone is used as the material for the hose. Crosslinked, so vulcanized silicone, also called silicone rubber, proves to be particularly suitable for this application compared to the variety of other elastic plastics by particularly uniform elastic properties even at different ambient temperatures. Preferably, high-temperature-crosslinked silicone having a Shore A hardness according to DIN 53505 . IN EN ISO 868 between 50 and 70, preferably about 60 used. As silicone rubber types are methyl silicone rubber (MQ), MFQ, ie MQ with fluorine groups or MPQ (MQ with phenyl groups), MVQ (MQ with vinyl groups) or MPVQ (MQ with phenyl and vinyl Groups) (abbreviations according to DIN ISO 1629: 1992-03 ) prefers.

Silikon wird dabei häufig in Anteilen von Katalysatoren, Farbstoffen und anderen Zuschlagsstoffen verwendet, wobei die Gewichtsanteile gering gegenüber dem Silikonanteil sind.Silicone is often used in proportions of catalysts, dyes and other additives, the weight is low compared to the silicone content.

Das Silikon weist dabei vorzugsweise eine Dichte gemäß DIN 53479 ISO/R 1183 von zwischen 1,0 und 1,3 g/cm3, vorzugsweise von 1,16 ± 0,05 g/cm3 auf.The silicone preferably has a density according to DIN 53479 ISO / R 1183 of between 1.0 and 1.3 g / cm 3 , preferably 1.16 ± 0.05 g / cm 3 .

Der Silikonschlauch weist vorzugsweise eine Reißfestigkeit gemäß DIN 53504 ISO/DIS 37 von größer 8 MPa, vorzugsweise sogar größer 9 MPa auf.The silicone tube preferably has a tear strength according to DIN 53504 ISO / DIS 37 of greater than 8 MPa, preferably even greater than 9 MPa.

Die Erfindung wird nun nachfolgend anhand eines Ausführungsbeispiels unter Zuhilfenahme der Figuren näher erläutert. Im Folgenden können für funktional gleiche und/oder gleiche Elemente mit den gleichen Bezugsziffern bezeichnet sein.The invention will now be explained in more detail below with reference to an embodiment with the aid of the figures. Hereinafter, for functionally identical and / or identical elements may be denoted by the same reference numerals.

Es zeigenShow it

1: Stoßstange eines Kraftfahrzeugs mit einem Aufprallsensor 1 : Bumper of a motor vehicle with a crash sensor

2: Querschnitt des Schlauchs des Aufprallsensors 2 : Cross section of the hose of the impact sensor

3: Querschnitt durch die Stoßstange mit dem Aufprallsensor vor einem Aufprall 3 : Section through the bumper with the impact sensor before impact

4: Querschnitt durch die Stoßstange mit dem Aufprallsensor während eines Aufpralls 4 : Cross section through the bumper with the impact sensor during an impact

1 zeigt eine vordere Stoßstange eines Kraftfahrzeugs mit einer äußeren Verkleidung 1, beispielsweise einem Metallblech oder einem Kunststoffformteil. Hinter der äußeren Verkleidung 1 ist ein elastischer Dämpfungskörper 2 angeordnet, hier beispielsweise aus einem Energieabsorberschaum, beispielsweise einem expandierten Polypropylen, oder einem stark verdichteten Styropormaterial besteht. Hinter dem Dämpfungskörper 2 ist der Querträger 4 angeordnet. Die Steifigkeit des Dämpfungskörpers 2 und des Querträger 4 sind dabei so gewählt, dass bei Aufprall mit niedriger Geschwindigkeit vorzugsweise ausschließlich der Dämpfungskörper 2 verformt wird, während der Querträger 4 kaum belastet wird. Bei Aufprallereignissen mit hoher Geschwindigkeit wird der Querträger 4 mit verformt und verteilt die Aufprallenergie auf weitere Bereiche der Fahrzeug-Karosserie. 1 geformt in eine Fuge des Dämpfungskörpers 2 ist zwischen Dämpfungskörper 2 und Querträger 4 der elastische Schlauch 3 angeordnet, welcher sich über eine Länge 3L der Stossstange erstreckt und zumindest an einer Seite, vorzugsweise an beiden Seiten mit Druck-Sensoren P zur Erfassung der Druckänderung im Hohlraum des Schlauchs verbunden ist. 1 shows a front bumper of a motor vehicle with an outer panel 1 , For example, a metal sheet or a plastic molding. Behind the outer panel 1 is an elastic damping body 2 arranged here, for example, from an energy absorber foam, for example an expanded polypropylene, or a highly compressed polystyrene material consists. Behind the damping body 2 is the crossbeam 4 arranged. The stiffness of the damping body 2 and the cross member 4 are chosen so that when impact at low speed, preferably only the damping body 2 is deformed while the cross member 4 is hardly charged. In high-speed impact events, the cross member becomes 4 with deformed and distributed the impact energy to other areas of the vehicle body. 1 shaped into a joint of the damping body 2 is between damping body 2 and crossbeams 4 the elastic hose 3 arranged, which extends over a length 3L the bumper extends and is connected at least on one side, preferably on both sides with pressure sensors P for detecting the pressure change in the cavity of the hose.

Dieser Schlauch 3 besteht aus einem vernetzten Silikonmaterial, insbesondere einem Hochtemperatur-Silikonkautschuk und weist eine Shore A-Härte von 60 ± 5 gemäß DIN 53505 sowie eine Dichte gemäß DIN 53479 ISO/R 1183 von 1,16 ± 0,05 g/cm3 und eine Reißfestigkeit gemäß DIN 53504 ISO/DIS 37 von größer 9 MPa auf.This hose 3 consists of a cross-linked silicone material, in particular a high-temperature silicone rubber and has a Shore A hardness of 60 ± 5 according to DIN 53505 and a density according to DIN 53479 ISO / R 1183 of 1.16 ± 0.05 g / cm 3 and a tear strength according to DIN 53504 ISO / DIS 37 greater than 9 MPa.

Der Schlauch 3 ist vorzugsweise mit Luft gefüllt, wobei alternativ auch eine Füllung mit anderen Gasen oder auch Flüssigkeiten denkbar sind. Über das Gehäuse des Drucksensors erfolgt vorzugsweise verzögert ein Druckausgleich gegenüber der Umgebung.The hose 3 is preferably filled with air, but alternatively also a filling with others Gases or liquids are conceivable. About the housing of the pressure sensor is preferably delayed, a pressure equalization with respect to the environment.

Wie 2 skizziert, weist der Schlauch 3 dabei einen Innendurchmesser 3i zwischen 2,5 und 6 Millimeter, vorzugsweise ca 4 mm und einen Außendurchmesser 3a kleiner 12 Millimeter, vorzugsweise 8 mm auf. Der Schlauchmantel ist daher vorzugsweise ca 2–3 mm dick. Die Maße dieses Schlauches 3 sind überraschend klein im Verhältnis zur Größe der Stoßstange. Ein so kleiner, dünner Schlauch erweist sich jedoch als besonders geeignet, um ein signifikantes Drucksignal zur Unterscheidung eines Fußgängeraufpralls von einem Aufprall gegen ein starres Hindernis, beispielsweise einen Laternen-Pfosten oder Baum in den vorgegebenen Geschwindigkeitsbereich bereitzustellen. Dickere Schläuche hätten zwar eine größere Aufprallfläche, wären jedoch bei der hier erforderlichen Länge über die Breite der Stoßstange hinweg nachteilig.As 2 Outlined, the hose points 3 while an inner diameter 3i between 2.5 and 6 millimeters, preferably about 4 mm and an outer diameter 3a less than 12 millimeters, preferably 8 mm. The hose jacket is therefore preferably about 2-3 mm thick. The dimensions of this hose 3 are surprisingly small in relation to the size of the bumper. However, such a small, thin tube proves to be particularly suitable for providing a significant pressure signal for distinguishing a pedestrian impact from impact with a rigid obstacle such as a lantern post or tree within the given speed range. Although thicker hoses would have a larger impact surface, but would be at the length required here over the width of the bumper away disadvantageous.

Der Schlauch 3 weist eine Länge 3L von kleiner 2,3 Metern auf. Die Länge des Schlauches wirkt sich auf die Laufzeit und das Gesamtvolumen des Hohlraums im Inneren des Schlauchs aus.The hose 3 has a length 3L from less than 2.3 meters up. The length of the hose affects the running time and the total volume of the cavity inside the hose.

Der Schlauch 3 muss nicht zwingend gerade verlegt werden, sondern kann auch gebogen werden, sofern ein Biegeradius von mindestens 10 Millimeter, vorzugsweise mehr als 25 mm eingehalten wird.The hose 3 not necessarily straight, but can also be bent, provided that a bending radius of at least 10 millimeters, preferably more than 25 mm is maintained.

3 skizziert nochmal im Querschnitt die Stoßstange mit dem Aufprallsensor im unbelasteten Zustand, also vor einem Aufprall. Trifft im Vergleich dazu in 4 eine durch den Pfeil angedeutete Kraft durch einen Aufprall eines Fußgängers oder eines anderen Kollisionsobjekts auf die Stoßstange, so verformt sich neben der äußeren Verkleidung 1 auch der Dämpfungskörper 2 und wird dabei der Schlauch 3 entsprechend mit verformt und gegen den Querträger 4 gedrückt. Die Druckänderung im Hohlraum des Schlauchs ist bei einem solchen Schlauch aus Silikonkautschuk mit diesen Abmaßen sehr gut geeignet, um den Aufprall eines Fußgängers zu erkennen und vorzugsweise auch von anderen, steiferen Aufprallobjekten zu unterscheiden. 3 again sketched in cross-section the bumper with the impact sensor in the unloaded state, ie before an impact. Matches in comparison 4 an indicated by the arrow force by a collision of a pedestrian or other collision object on the bumper, so deformed next to the outer panel 1 also the damping body 2 and becomes thereby the hose 3 accordingly with deformed and against the cross member 4 pressed. The pressure change in the cavity of the tube is very well suited to such a tube of silicone rubber with these dimensions to recognize the impact of a pedestrian and preferably to distinguish it from other, more rigid impact objects.

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES 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 of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • EP 937612 A2 [0003] EP 937612 A2 [0003]

Zitierte Nicht-PatentliteraturCited non-patent literature

  • DIN 53505 [0005] DIN 53505 [0005]
  • IN EN ISO 868 [0005] IN ISO 868 [0005]
  • DIN ISO 1629: 1992-03 [0005] DIN ISO 1629: 1992-03 [0005]
  • DIN 53479 ISO/R 1183 [0007] DIN 53479 ISO / R 1183 [0007]
  • [0007][0007]
  • DIN 53504 ISO/DIS 37 [0008] DIN 53504 ISO / DIS 37 [0008]
  • DIN 53505 [0016] DIN 53505 [0016]
  • DIN 53479 ISO/R 1183 [0016] DIN 53479 ISO / R 1183 [0016]
  • DIN 53504 ISO/DIS 37 [0016] DIN 53504 ISO / DIS 37 [0016]

Claims (5)

Aufprallsensor bestehend aus einem bei einem Aufprall elastisch deformierbaren Schlauch (3) mit einem Hohlraum und zumindest einem Drucksensor (P) zur Erfassung der Druckänderung im Hohlraum des Schlauchs, dadurch gekennzeichnet, dass der Schlauch aus einem vernetzten Silikonmaterial besteht.Impact sensor consisting of an elastically deformable hose during an impact ( 3 ) having a cavity and at least one pressure sensor (P) for detecting the change in pressure in the cavity of the tube, characterized in that the tube consists of a crosslinked silicone material. Aufprallsensor nach Anspruch 1, dadurch gekennzeichnet, dass das Silikonmaterial eine Shore A-Härte zwischen 40 und 80, vorzugsweise ca. 60 aufweist.Impact sensor according to claim 1, characterized in that the silicone material has a Shore A hardness between 40 and 80, preferably about 60. Aufprallsensor nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Schlauch (3) einen Innendurchmesser (3i) zwischen 2,5 und 6 Millimeter und einen Außendurchmesser (3a) kleiner 12 Millimeter aufweist.Impact sensor according to claim 1 or 2, characterized in that the hose ( 3 ) an inner diameter ( 3i ) between 2.5 and 6 millimeters and an outer diameter ( 3a ) has less than 12 millimeters. Aufprallsensor nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Schlauch (3) eine Länge (3L) von kleiner 2,3 Metern aufweist.Impact sensor according to one of the preceding claims, characterized in that the hose ( 3 ) a length ( 3L ) of less than 2.3 meters. Aufprallsensor nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Schlauch (3) einen Biegeradius von mindestens 10 Millimeter, vorzugsweise mehr als 25 mm aufweist.Impact sensor according to one of the preceding claims, characterized in that the hose ( 3 ) has a bending radius of at least 10 millimeters, preferably more than 25 mm.
DE201110011962 2011-02-22 2011-02-22 Crash sensor for motor car, has deformable hose with cavity and pressure sensor for acquisition of pressure change in cavity of hose, where crash is resilient, and hose is made of cross linked silicone material Withdrawn DE102011011962A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE201110011962 DE102011011962A1 (en) 2011-02-22 2011-02-22 Crash sensor for motor car, has deformable hose with cavity and pressure sensor for acquisition of pressure change in cavity of hose, where crash is resilient, and hose is made of cross linked silicone material
EP11831794.0A EP2678191B1 (en) 2011-02-22 2011-09-16 Crash sensor with an elastically deformable tube and a pressure sensor
PCT/DE2011/001757 WO2012113362A1 (en) 2011-02-22 2011-09-16 Crash sensor having an elastically deformable tube and at least one pressure sensor
KR1020137024562A KR101775382B1 (en) 2011-02-22 2011-09-16 Crash sensor having an elastically deformable tube and at least one pressure sensor
DE202011110919.8U DE202011110919U1 (en) 2011-02-22 2011-09-16 Impact sensor with an elastically deformable hose and at least one pressure sensor
DE112011103050.9T DE112011103050B4 (en) 2011-02-22 2011-09-16 Impact sensor with an elastically deformable hose and at least one pressure sensor
JP2013553786A JP2014505629A (en) 2011-02-22 2011-09-16 Collision sensor with flexible deformable tube and at least one pressure sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110011962 DE102011011962A1 (en) 2011-02-22 2011-02-22 Crash sensor for motor car, has deformable hose with cavity and pressure sensor for acquisition of pressure change in cavity of hose, where crash is resilient, and hose is made of cross linked silicone material

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DE102011011962A1 true DE102011011962A1 (en) 2012-08-23

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013101277A1 (en) 2013-02-08 2014-08-14 Continental Automotive Gmbh Method of controlling brake system of motor vehicle in case of collision detected by sensor, involves initiating automatic brake intervention in presence of predetermined condition of signal of pedestrian collision sensor
DE102013101770A1 (en) 2013-02-22 2014-08-28 Continental Automotive Gmbh Crash sensor mounted in motor car, for creating signal dependant on starch of crash, has pressure sensor that is attached to connection pipe component and hose provided with adhesive, and hose that is pushed through pipe component
DE102013104371A1 (en) 2013-04-30 2014-10-30 Continental Automotive Gmbh Method for detecting the position of a hose behind at least one outer cover of a vehicle and corresponding impact sensor
DE102013215329A1 (en) 2013-08-05 2015-02-05 Continental Automotive Gmbh Impact sensor for a motor vehicle with a reference cavity and a movable wall
DE102013215330A1 (en) 2013-08-05 2015-02-05 Continental Automotive Gmbh Impact sensor for a motor vehicle with an elastic hollow body and a pressure sensor and a test pressure generating device
DE102013215856A1 (en) 2013-08-12 2015-02-12 Continental Automotive Gmbh Impact sensor with elastically deformable hose and pressure sensor and radial opening in the hose for attachment
DE102013216718A1 (en) 2013-08-22 2015-02-26 Continental Automotive Gmbh Impact sensor with elastically deformable hose and pressure sensor and two-stage pressure compensation
DE102013225575A1 (en) * 2013-12-11 2015-06-11 Siemens Aktiengesellschaft Arrangement and method for collision detection and imaging device with an arrangement for collision detection
US20150274119A1 (en) * 2014-03-31 2015-10-01 Ford Global Technologies, Llc Impact tubing for pedestrian protection sensor for automotive vehicle
US9489777B2 (en) * 2011-09-20 2016-11-08 Bayerische Motoren Werke Aktiengesellschaft Device for detecting the impact of an object on a vehicle
CN105501162B (en) * 2014-10-10 2018-09-04 丰田自动车株式会社 Vehicle Bumper Structure Including Pedestrian Collision Detection Sensors
WO2019063187A1 (en) * 2017-09-26 2019-04-04 Robert Bosch Gmbh METHOD FOR PRODUCING A TRIP SIGNAL FOR TRIGGERING AT LEAST ONE SAFETY FUNCTION OF A MOTOR VEHICLE
WO2019081103A1 (en) * 2017-10-24 2019-05-02 Robert Bosch Gmbh PRESSURE SENSOR FOR A PASSENGER PROTECTION SYSTEM OF A VEHICLE
DE112015005302B4 (en) 2014-11-26 2023-03-23 Denso Corporation VEHICLE COLLISION DETECTION DEVICE

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DE102013216718A1 (en) 2013-08-22 2015-02-26 Continental Automotive Gmbh Impact sensor with elastically deformable hose and pressure sensor and two-stage pressure compensation
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