WO2014029460A1 - Device and method for controlling a passenger comfort system and/or passenger protection system in a motor vehicle - Google Patents

Device and method for controlling a passenger comfort system and/or passenger protection system in a motor vehicle Download PDF

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Publication number
WO2014029460A1
WO2014029460A1 PCT/EP2013/002245 EP2013002245W WO2014029460A1 WO 2014029460 A1 WO2014029460 A1 WO 2014029460A1 EP 2013002245 W EP2013002245 W EP 2013002245W WO 2014029460 A1 WO2014029460 A1 WO 2014029460A1
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WO
WIPO (PCT)
Prior art keywords
sensor
occupant
vehicle
protection system
control unit
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Application number
PCT/EP2013/002245
Other languages
German (de)
French (fr)
Inventor
Ira OECKINGHAUS
Uwe Class
Original Assignee
Trw Automotive Gmbh
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Publication date
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Publication of WO2014029460A1 publication Critical patent/WO2014029460A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/037—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for occupant comfort, e.g. for automatic adjustment of appliances according to personal settings, e.g. seats, mirrors, steering wheel
    • 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
    • B60R21/015—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512—Passenger detection systems
    • 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
    • B60R21/015—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512—Passenger detection systems
    • B60R21/0153—Passenger detection systems using field detection presence sensors
    • B60R21/01532—Passenger detection systems using field detection presence sensors using electric or capacitive field sensors
    • 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
    • B60R2021/01204—Actuation parameters of safety arrangents
    • B60R2021/01252—Devices other than bags
    • B60R2021/01265—Seat belts
    • 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
    • B60R2021/01204—Actuation parameters of safety arrangents
    • B60R2021/01252—Devices other than bags
    • B60R2021/01265—Seat belts
    • B60R2021/01272—Belt tensioners

Definitions

  • the invention relates to a device for controlling an occupant comfort system and / or occupant protection system in a motor vehicle, having a first sensor which detects a signal from which an occupancy of a vehicle seat by a vehicle occupant can be closed, and one coupled to the first sensor Control unit which activates the occupant comfort system and / or occupant protection system depending on the detected signal. Furthermore, the invention relates to a method for controlling an occupant comfort system and / or occupant protection system in a motor vehicle.
  • occupant comfort systems eg, belt conveyors or belt buckle conveyors
  • occupant comfort systems eg, belt conveyors or belt buckle conveyors
  • These bring the belt or the buckle in a bidding position, so that the application of the seat belt for the vehicle occupant is particularly easy and comfortable.
  • seat height adjusters are known which bring the vehicle seat in an elevated position, which facilitates boarding for the vehicle occupant, and then lower again.
  • These systems are usually triggered as soon as a signal of a door opening switch is detected by a control unit, ie already when opening the vehicle door or with a predetermined time delay after opening. This sometimes proves unfavorable in practice, in particular if a person opens the vehicle door but does not get into the vehicle immediately. In the worst case, then the occupant comfort system may even hinder the vehicle occupants when boarding, for example, by an extending out of the B-pillar of the vehicle arm, which brings the seat belt in a bidding position.
  • a device for controlling an occupant comfort system and / or occupant protection system of the aforementioned type in which the first sensor is arranged in the region of an inner handle of a vehicle door assigned to the vehicle seat. Touched now the vehicle occupant after boarding the inner handle of the vehicle door to close this, this is detected by the first sensor and passed a corresponding signal to the control unit, which then controls the occupant comfort system and / or occupant protection system, in particular activated and / or deactivated.
  • the occupant comfort system or occupant protection system is usually activated only after the vehicle occupant has actually entered the vehicle. In the case of an occupant protection system such as a gas bag module or a belt tensioner, of course, an activation is not to be understood as the triggering of the same, but the system is brought to a standby state or held therein.
  • the occupant comfort system and / or occupant protection system preferably has a drive which is activated by the control unit as soon as it receives the corresponding signal from the sensor.
  • the occupant comfort system and / or occupant protection system comprises a mechatronic, in particular reversible, system which is activated by the signal detected by the sensor and, for example, is deactivated again or returned to its initial state upon a further signal or after a predetermined period of time.
  • the occupant protection or occupant comfort system preferably comprises a belt feeder, a belt lock driver, an electric motor driven belt retractor and / or a seat height adjuster, which each serve to make it easier for the vehicle occupant to fasten their seatbelts.
  • the control unit activates, for example, the belt feeder and / or belt buckle bringers, which brings the belt or the buckle in a bidding position.
  • the vehicle seat is lowered from a raised position, which facilitates boarding, to a position favorable during travel.
  • a preferred embodiment of the invention provides a second sensor coupled to the control unit, which is arranged in the region of an outside handle of the vehicle door associated with the vehicle seat, in particular a passenger door, and the occupant comfort system and / or occupant protection system can also be activated depending on its signal.
  • the advantage of such an additional sensor in the region of the outer handle of the vehicle door is that the occupancy of the associated vehicle seat is detected even when the vehicle occupant does not close the door himself (ie from the inside), but this is done by another person who is outside the vehicle. This case occurs more often on the passenger side or possibly also in the rear seats; here it is more likely that the vehicle occupant is a person who needs help closing the door.
  • the first and / or second sensor may be a touch sensor, a pressure sensor, a proximity sensor and / or a capacitive sensor. Basically, any type of sensor is suitable here with which a touch of the door handle can be detected inside or outside.
  • the activation of the passenger comfort system and / or occupant protection system by the control unit takes place as a function of a signal of at least one sensor that is further from the first sensor.
  • a signal of at least one sensor that is further from the first sensor.
  • the at least one further sensor has a door opening switch, a seat covering mat and / or a buckle switch.
  • These sensors are common in modern vehicles, so existing systems can be used.
  • a further signal such as a buckle switch or a seat covering mat, it can be distinguished, for example, whether in the case of a signal from a mounted on the outside door handle sensor actually a person has got into the vehicle or only a piece of luggage was parked in the passenger seat.
  • a further signal such as a buckle switch or a seat covering mat
  • the senor in the inner handle part of the door inner handle unit which has a handle shell for a door opening lever or an armrest.
  • the sensor is designed so that it can detect touches both in the region of the door opening lever and in the region of the armrest. This makes it irrelevant whether the occupant closes the door over the provided on the armrest handle or the door opening lever, which are usually spatially separated from each other.
  • a second aspect of the invention provides a method for controlling an occupant comfort system and / or occupant protection system in a motor vehicle, in particular by means of a device as described in the previous sections.
  • the method comprises the following steps: First, a signal is detected by a sensor which is arranged in the region of an inner handle of a vehicle seat assigned to a vehicle seat, from which an occupancy of the vehicle seat by a vehicle occupant can be deduced. The signal is evaluated in a control unit coupled to the sensor, and the occupant comfort system and / or occupant protection system is activated by the control unit.
  • unwanted activation of the occupant comfort system or occupant protection system is largely avoided.
  • all further developments which are described with reference to the device according to the invention can also be used advantageously in the method according to the invention.
  • FIG. 1 is a schematic representation of a device according to the invention for controlling a passenger comfort system and / or occupant protection system;
  • FIG. 2 is a perspective view of the arrangement of a sensor of the device according to the invention in the interior of a vehicle;
  • FIG. 3 is a schematic representation of the arrangement of a sensor of the device according to the invention in the outer region of a vehicle.
  • FIG. 1 shows a device 10 for controlling an occupant comfort system 12 and an optional occupant protection system 13 in a motor vehicle, which has a control unit 14 and a first sensor 16 coupled to the control unit 14.
  • the sensor 16 detects whether a vehicle seat 18, here purely by way of example the driver's seat, is occupied by a vehicle occupant (see FIG. 2) and is arranged in the area Bi, B 2 of an inner handle of a vehicle door 20 (here corresponding to the driver's door).
  • the sensor 16 is part of the door inner handle unit 22, which comprises a handle shell 24 for a door opening lever 26 and an armrest 28.
  • the senor 16 may be arranged in one of the highlighted in Figure 2 areas BL B 2 , but preferably in both, since the vehicle door 20 could be closed by the occupant not only by pulling the handle of the armrest 28, but also by pulling the door opening lever 26 ,
  • the occupant comfort system 12 includes a mechatronic.es, reversible system such as a belt feeder, a belt buckle and / or a seat height adjuster.
  • a mechatronic.es, reversible system such as a belt feeder, a belt buckle and / or a seat height adjuster.
  • an occupant protection system 13 for example, a gas bag module or a belt tensioner, this activation is of course not to be understood as the activation of the same, but rather that the system is kept in a ready state or brought into it.
  • a second sensor 30 is provided which is arranged in the region B 3 of an outer handle 32 of the vehicle door 20 and is likewise coupled to the control unit 14.
  • the occupant comfort system 12 or occupant protection system 13 is likewise activated as a function of the signal from the second sensor 30.
  • This second sensor 30 in the exterior of the vehicle ensures that the occupant comfort system 12 (or occupant protection system 13) is activated even when the vehicle occupant does not close the vehicle door 20 from the inside, but rather by a person outside the vehicle.
  • the sensor 30 may be part of a keyless convenience entry system.
  • Both the first sensor 16 and the second sensor 30 is designed as a contact sensor, pressure sensor or proximity sensor, in particular it is a capacitive sensor.
  • the device 10 not only a passenger comfort system 12, but alternatively or additionally an occupant protection system 13 is to be controlled, it makes sense to activate the system by the control unit 14 in response to a signal of another sensor 34 and several other sensors allow.
  • the further sensor 34 may be e.g. to act a door opening switch, a seat occupancy mat and / or a buckle switch.
  • the method according to the invention for controlling the occupant comfort system 12 or the occupant protection system 13 provides in a first step, that a signal of the sensor 16 or the sensor 30 is detected, from which an occupancy of the vehicle seat 18 by a vehicle occupant can be closed, namely when the vehicle occupant touches the door opening lever 26 or the armrest 28 or if a person outside the vehicle the outside handle 32 touched. Subsequently, the signal is evaluated in the sensor 16 coupled to the control unit 14 and then the occupant comfort system 12 (or its drive 29) and / or the occupant protection system 13 activated by the control unit 14.
  • one or more further sensors 34 can detect further signals and transmit them to the control unit: opening or closing the vehicle door (door opening switch), occupancy of the vehicle seat (seat occupancy mat) and / or closing the seat belt (buckle switch) ,

Abstract

A device for controlling a passenger comfort system and/or passenger protection system in a motor vehicle comprises a first sensor, which detects a signal from which can be determined whether a vehicle seat (18) is occupied by a vehicle passenger, and a control unit, which is coupled with the first sensor and which activates the passenger comfort system and/or passenger protection system on the basis of the signal detected, the first sensor being arranged in the region (B1, B2) of an internal handle of a vehicle door (20) that is assigned to the vehicle seat (18). Further disclosed is a method for controlling a passenger comfort system and/or passenger protection system in a motor vehicle.

Description

Vorrichtung sowie Verfahren zur Steuerung eines Insassenkomfortsystems und/oder Insassenschutzsystems in einem Kraftfahrzeug  Device and method for controlling a passenger comfort system and / or occupant protection system in a motor vehicle
Die Erfindung betrifft eine Vorrichtung zur Steuerung eines Insassenkomfort- Systems und/oder Insassenschutzsystems in einem Kraftfahrzeug, mit einem ersten Sensor, der ein Signal erfasst, von dem auf eine Belegung eines Fahrzeugsitzes durch einen Fahrzeuginsassen geschlossen werden kann, und einer mit dem ersten Sensor gekoppelten Steuereinheit, die in Abhängigkeit vom er- fassten Signal das Insassenkomfortsystem und/oder Insassenschutzsystem akti- viert. Weiterhin betrifft die Erfindung ein Verfahren zur Steuerung eines Insassenkomfortsystems und/oder Insassenschutzsystems in einem Kraftfahrzeug. The invention relates to a device for controlling an occupant comfort system and / or occupant protection system in a motor vehicle, having a first sensor which detects a signal from which an occupancy of a vehicle seat by a vehicle occupant can be closed, and one coupled to the first sensor Control unit which activates the occupant comfort system and / or occupant protection system depending on the detected signal. Furthermore, the invention relates to a method for controlling an occupant comfort system and / or occupant protection system in a motor vehicle.
Neben Insassenschutzsystemen wie beispielsweise Gassackmodulen oder Gurtstraffern sind aus dem Stand der Technik sogenannte Insassenkomfortsys- teme, z.B. Gurtbringer oder Gurtschlossbringer, bekannt. Diese bringen den Gurt bzw. das Gurtschloss in eine Anbieteposition, sodass das Anlegen des Sicherheitsgurts für den Fahrzeuginsassen besonders einfach und komfortabel ist. Des Weiteren sind Sitzhöhenversteller bekannt, die den Fahrzeugsitz in eine erhöhte Position bringen, die das Einsteigen für den Fahrzeuginsassen erleichtert, und anschließend wieder absenken. Diese Systeme werden üblicherweise ausgelöst, sobald ein Signal eines Türöffnungsschalters von einer Steuereinheit erfasst wird, also bereits beim Öffnen der Fahrzeugtür bzw. mit einer vorgegebenen zeitlichen Verzögerung nach dem Öffnen. Dies erweist sich in der Praxis gelegentlich als ungünstig, insbesondere wenn eine Person die Fahrzeugtür zwar öffnet, jedoch nicht sofort ins Fahrzeug einsteigt. Im schlechtesten Fall kann dann das Insassenkomfortsystem den Fahrzeuginsassen beim Einsteigen sogar behindern, beispielsweise durch einen aus der B-Säule des Fahrzeugs ausfahrenden Arm, der den Sicherheitsgurt in eine Anbieteposition bringt. In addition to occupant protection systems such as airbag modules or belt tensioners, so-called occupant comfort systems, eg, belt conveyors or belt buckle conveyors, are known from the prior art. These bring the belt or the buckle in a bidding position, so that the application of the seat belt for the vehicle occupant is particularly easy and comfortable. Furthermore, seat height adjusters are known which bring the vehicle seat in an elevated position, which facilitates boarding for the vehicle occupant, and then lower again. These systems are usually triggered as soon as a signal of a door opening switch is detected by a control unit, ie already when opening the vehicle door or with a predetermined time delay after opening. This sometimes proves unfavorable in practice, in particular if a person opens the vehicle door but does not get into the vehicle immediately. In the worst case, then the occupant comfort system may even hinder the vehicle occupants when boarding, for example, by an extending out of the B-pillar of the vehicle arm, which brings the seat belt in a bidding position.
Es ist daher Aufgabe der Erfindung, eine Vorrichtung bzw. ein Verfahren zur Steuerung eines Insassenkomfortsystems und/oder Insassenschutzsystems in einem Kraftfahrzeug bereitzustellen, die bzw. das eine unerwünschte Aktivierung des Systems weitgehend vermeidet. It is therefore an object of the invention to provide a device or a method for controlling a passenger comfort system and / or occupant protection system in a motor vehicle, which largely avoids undesired activation of the system.
Gemäß einem ersten Aspekt der Erfindung ist dazu eine Vorrichtung zur Steuerung eines Insassenkomfortsystems und/oder Insassenschutzsystems der eingangs genannten Art vorgesehen, bei der der erste Sensor im Bereich eines Innengriffs einer dem Fahrzeugsitz zugeordneten Fahrzeugtür angeordnet ist. Berührt nun der Fahrzeuginsasse nach dem Einsteigen den Innengriff der Fahrzeugtür, um diese zu schließen, wird dies vom ersten Sensor erfasst und ein entsprechendes Signal an die Steuereinheit weitergegeben, die daraufhin das Insassenkomfortsystem und/oder Insassenschutzsystem ansteuert, insbesondere aktiviert und/oder deaktiviert. Der Vorteil dieser Anordnung besteht darin, dass das Insassenkomfortsystem bzw. Insassenschutzsystem im Regelfall erst aktiviert wird, nachdem der Fahrzeuginsasse auch tatsächlich in das Fahrzeug eingestiegen ist. Unter einer Aktivierung ist im Falle eines Insassenschutzsystems wie einem Gassackmodul oder einem Gurtstraffer natürlich nicht das Auslösen desselben zu verstehen, sondern dass das System in einen Bereitschaftszustand gebracht oder in diesem gehalten wird. According to a first aspect of the invention, a device for controlling an occupant comfort system and / or occupant protection system of the aforementioned type is provided, in which the first sensor is arranged in the region of an inner handle of a vehicle door assigned to the vehicle seat. Touched now the vehicle occupant after boarding the inner handle of the vehicle door to close this, this is detected by the first sensor and passed a corresponding signal to the control unit, which then controls the occupant comfort system and / or occupant protection system, in particular activated and / or deactivated. The advantage of this arrangement is that the occupant comfort system or occupant protection system is usually activated only after the vehicle occupant has actually entered the vehicle. In the case of an occupant protection system such as a gas bag module or a belt tensioner, of course, an activation is not to be understood as the triggering of the same, but the system is brought to a standby state or held therein.
Das Insassenkomfortsystem und/oder Insassenschutzsystem weist bevorzugt einen Antrieb auf, der von der Steuereinheit aktiviert wird, sobald diese das entsprechende Signal vom Sensor empfängt. The occupant comfort system and / or occupant protection system preferably has a drive which is activated by the control unit as soon as it receives the corresponding signal from the sensor.
Vorzugsweise umfasst das Insassenkomfortsystem und/oder Insassenschutzsystem ein mechatronisches, insbesondere reversibles System, welches durch das vom Sensor erfasste Signal aktiviert und z.B. auf ein weiteres Signal hin oder nach einer vorgegebenen Zeitspanne wieder deaktiviert bzw. in seinen Ausgangszustand zurückgebracht wird. Wie bereits eingangs erwähnt, umfasst das Insassenschutz- bzw. Insassenkomfortsystem bevorzugt einen Gurtbringer, einen Gurtschlossbringer, einen elektromotorisch angetriebenen Gurtaufroller und/oder einen Sitzhöhenver- steller, die jeweils dazu dienen, dem Fahrzeuginsassen das Anschnallen bzw. Einsteigen zu erleichtern. Auf das vom ersten Sensor erfasste Signal hin aktiviert die Steuereinheit z.B. den Gurtbringer und/oder Gurtschlossbringer, der den Gurt bzw. das Gurtschloss in eine Anbieteposition bringt. Im Falle eines Sitzhöhen- verstellers wird auf das erfasste Signal hin der Fahrzeugsitz aus einer angehobenen Stellung, die das Einsteigen erleichtert, in eine während der Fahrt günstige Stellung abgesenkt. Preferably, the occupant comfort system and / or occupant protection system comprises a mechatronic, in particular reversible, system which is activated by the signal detected by the sensor and, for example, is deactivated again or returned to its initial state upon a further signal or after a predetermined period of time. As already mentioned, the occupant protection or occupant comfort system preferably comprises a belt feeder, a belt lock driver, an electric motor driven belt retractor and / or a seat height adjuster, which each serve to make it easier for the vehicle occupant to fasten their seatbelts. On the signal detected by the first sensor, the control unit activates, for example, the belt feeder and / or belt buckle bringers, which brings the belt or the buckle in a bidding position. In the case of a seat height adjuster, in response to the detected signal, the vehicle seat is lowered from a raised position, which facilitates boarding, to a position favorable during travel.
Eine bevorzugte Ausführungsform der Erfindung sieht einen mit der Steuereinheit gekoppelten zweiten Sensor vor, der im Bereich eines Außengriffs der dem Fahrzeugsitz zugeordneten Fahrzeugtür, insbesondere einer Beifahrertür, angeordnet ist und in Abhängigkeit von dessen Signal das Insassenkomfortsystem und/oder Insassenschutzsystem ebenfalls aktiviert werden kann. Der Vorteil eines solchen zusätzlichen Sensors im Bereich des Außengriffs der Fahrzeugtür besteht darin, dass die Belegung des zugeordneten Fahrzeugsitzes auch dann erfasst wird, wenn der Fahrzeuginsasse die Tür nicht selbst (also von innen) schließt, sondern dies von einer weiteren Person erledigt wird, die sich außerhalb des Fahrzeugs aufhält. Dieser Fall tritt öfters bei der Beifahrerseite oder eventuell auch bei den Rücksitzen auf; hier ist die Wahrscheinlichkeit höher, dass es sich bei dem Fahrzeuginsassen um eine Person handelt, die beim Schließen der Tür Hilfe benötigt. A preferred embodiment of the invention provides a second sensor coupled to the control unit, which is arranged in the region of an outside handle of the vehicle door associated with the vehicle seat, in particular a passenger door, and the occupant comfort system and / or occupant protection system can also be activated depending on its signal. The advantage of such an additional sensor in the region of the outer handle of the vehicle door is that the occupancy of the associated vehicle seat is detected even when the vehicle occupant does not close the door himself (ie from the inside), but this is done by another person who is outside the vehicle. This case occurs more often on the passenger side or possibly also in the rear seats; here it is more likely that the vehicle occupant is a person who needs help closing the door.
Bei dem ersten und/oder zweiten Sensor kann es sich um einen Berührungssensor, einen Drucksensor, einen Annäherungssensor und/oder einen kapazitiven Sensor handeln. Grundsätzlich ist hier jede Art von Sensor geeignet, mit der sich eine Berührung des Türgriffs innen oder außen erfassen lässt. The first and / or second sensor may be a touch sensor, a pressure sensor, a proximity sensor and / or a capacitive sensor. Basically, any type of sensor is suitable here with which a touch of the door handle can be detected inside or outside.
Gemäß einer Weiterbildung der Erfindung erfolgt die Aktivierung des Insas- senkomfortsystems und/oder Insassenschutzsystems durch die Steuereinheit in Abhängigkeit eines Signals wenigstens eines zum ersten Sensor weiteren Sensors. Durch eine solche Kombination von Signalen mehrerer Sensoren lassen sich verschiedene mögliche Situationen besser unterscheiden bzw. die Wahrscheinlichkeit erhöhen, das Vorliegen einer bestimmten Situation korrekt zu er- fassen, was natürlich besonders im Hinblick auf die Aktivierung bzw. Nichtaktivie- rung eines Insassenschutzsystems entscheidend ist. According to one development of the invention, the activation of the passenger comfort system and / or occupant protection system by the control unit takes place as a function of a signal of at least one sensor that is further from the first sensor. Such a combination of signals from a plurality of sensors makes it possible to better distinguish between different possible situations or to increase the probability of correctly detecting the existence of a specific situation. which, of course, is crucial, especially with regard to the activation or inactivation of an occupant protection system.
Eine besonders einfache Ausgestaltung ergibt sich dadurch, dass der wenigstens eine weitere Sensor einen Türöffnungsschalter, eine Sitzbelegungsmatte und/oder einen Gurtschlossschalter aufweist. Diese Sensoren sind in modernen Fahrzeugen üblich, sodass vorhandene Systeme genutzt werden können. Durch Erfassung eines weiteren Signals, etwa von einem Gurtschlossschalter oder einer Sitzbelegungsmatte, kann beispielsweise unterschieden werden, ob im Fall eines Signals von einem am Türaußengriff angebrachten Sensor tatsächlich eine Person ins Fahrzeug eingestiegen ist oder lediglich ein Gepäckstück auf dem Beifahrersitz abgestellt wurde. So lässt sich eine unnötige Aktivierung des Insassenkomfortsystems und/oder Insassenschutzsystems noch zuverlässiger vermeiden. A particularly simple embodiment results from the fact that the at least one further sensor has a door opening switch, a seat covering mat and / or a buckle switch. These sensors are common in modern vehicles, so existing systems can be used. By detecting a further signal, such as a buckle switch or a seat covering mat, it can be distinguished, for example, whether in the case of a signal from a mounted on the outside door handle sensor actually a person has got into the vehicle or only a piece of luggage was parked in the passenger seat. Thus, an unnecessary activation of the occupant comfort system and / or occupant protection system can be avoided even more reliably.
Vorteilhaft ist der Sensor im Innengriff Teil der Tür-Innengriffeinheit, die eine Griffschale für einen Türöffnungshebel oder eine Armauflage aufweist. Insbesondere ist der Sensor so ausgestaltet, dass er Berührungen sowohl im Bereich des Türöffnungshebels als auch im Bereich der Armauflage erfassen kann. Dadurch ist es unerheblich, ob der Insasse die Tür über den an der Armauflage vorgesehenen Griff oder den Türöffnungshebel schließt, die üblicherweise räumlich voneinander getrennt sind. Advantageously, the sensor in the inner handle part of the door inner handle unit, which has a handle shell for a door opening lever or an armrest. In particular, the sensor is designed so that it can detect touches both in the region of the door opening lever and in the region of the armrest. This makes it irrelevant whether the occupant closes the door over the provided on the armrest handle or the door opening lever, which are usually spatially separated from each other.
Ein zweiter Aspekt der Erfindung sieht ein Verfahren zur Steuerung eines Insassenkomfortsystems und/oder Insassenschutzsystems in einem Kraftfahrzeug vor, insbesondere mittels einer Vorrichtung, wie sie in den vorigen Abschnitten beschrieben wurde. Dabei weist das Verfahren die folgenden Schritte auf: zunächst wird durch einen Sensor, der im Bereich eines Innengriffs einer einem Fahrzeugsitz zugeordneten Fahrzeugtür angeordnet ist, ein Signal erfasst, von dem auf eine Belegung des Fahrzeugsitzes durch einen Fahrzeuginsassen geschlossen werden kann. Das Signal wird in einer mit dem Sensor gekoppelten Steuereinheit ausgewertet, und das Insassenkomfortsystem und/oder Insassenschutzsystem wird durch die Steuereinheit aktiviert. Beim erfindungsgemäßen Verfahren wird eine unerwünschte Aktivierung des Insassenkomfortsystems bzw. Insassenschutzsystems weitgehend vermieden. Natürlich sind sämtliche Weiterbildungen, die mit Bezug auf die erfindungsgemäße Vorrichtung beschrieben sind, auch beim erfindungsgemäßen Verfahren vorteilhaft einsetzbar. A second aspect of the invention provides a method for controlling an occupant comfort system and / or occupant protection system in a motor vehicle, in particular by means of a device as described in the previous sections. In this case, the method comprises the following steps: First, a signal is detected by a sensor which is arranged in the region of an inner handle of a vehicle seat assigned to a vehicle seat, from which an occupancy of the vehicle seat by a vehicle occupant can be deduced. The signal is evaluated in a control unit coupled to the sensor, and the occupant comfort system and / or occupant protection system is activated by the control unit. In the method according to the invention, unwanted activation of the occupant comfort system or occupant protection system is largely avoided. Of course, all further developments which are described with reference to the device according to the invention can also be used advantageously in the method according to the invention.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung einer bevorzugten Ausführungsform anhand der beigefügten Zeichnung. In dieser zeigt: Further features and advantages of the invention will become apparent from the following description of a preferred embodiment with reference to the accompanying drawings. In this shows:
- Figur 1 eine schematische Darstellung einer erfindungsgemäßen Vorrichtung zur Steuerung eines Insassenkomfortsystems und/oder Insassenschutzsystems; - Figure 1 is a schematic representation of a device according to the invention for controlling a passenger comfort system and / or occupant protection system;
- Figur 2 eine perspektivische Darstellung der Anordnung eines Sensors der erfindungsgemäßen Vorrichtung im Innenraums eines Fahrzeugs; und - Figure 2 is a perspective view of the arrangement of a sensor of the device according to the invention in the interior of a vehicle; and
- Figur 3 eine schematische Darstellung der Anordnung eines Sensors der erfindungsgemäßen Vorrichtung im Außenbereich eines Fahrzeugs. - Figure 3 is a schematic representation of the arrangement of a sensor of the device according to the invention in the outer region of a vehicle.
Figur 1 zeigt eine Vorrichtung 10 zur Steuerung eines Insassenkomfortsystems 12 und eines optionalen Insassenschutzsystems 13 in einem Kraftfahrzeug, die eine Steuereinheit 14 und einen mit der Steuereinheit 14 gekoppelten ersten Sensor 16 aufweist. Der Sensor 16 erfasst, ob ein Fahrzeugsitz 18, hier rein exemplarisch der Fahrersitz, durch einen Fahrzeuginsassen belegt ist (siehe Figur 2) und ist im Bereich B-i , B2 eines Innengriffs einer Fahrzeugtür 20 (hier entsprechend der Fahrertür) angeordnet. Insbesondere ist der Sensor 16 Teil der Tür-Innengriffeinheit 22, die eine Griffschale 24 für einen Türöffnungshebel 26 sowie eine Armauflage 28 umfasst. FIG. 1 shows a device 10 for controlling an occupant comfort system 12 and an optional occupant protection system 13 in a motor vehicle, which has a control unit 14 and a first sensor 16 coupled to the control unit 14. The sensor 16 detects whether a vehicle seat 18, here purely by way of example the driver's seat, is occupied by a vehicle occupant (see FIG. 2) and is arranged in the area Bi, B 2 of an inner handle of a vehicle door 20 (here corresponding to the driver's door). In particular, the sensor 16 is part of the door inner handle unit 22, which comprises a handle shell 24 for a door opening lever 26 and an armrest 28.
Dabei kann der Sensor 16 in einem der in Figur 2 hervorgehobenen Bereiche BL B2 angeordnet sein, vorzugsweise jedoch in beiden, da die Fahrzeugtür 20 vom Insassen nicht nur durch Ziehen am Griff der Armauflage 28, sondern auch durch Ziehen am Türöffnungshebel 26 geschlossen werden könnte. In this case, the sensor 16 may be arranged in one of the highlighted in Figure 2 areas BL B 2 , but preferably in both, since the vehicle door 20 could be closed by the occupant not only by pulling the handle of the armrest 28, but also by pulling the door opening lever 26 ,
Erfasst nun der Sensor 16 eine Berührung durch den Fahrzeuginsassen, üblicherweise beim Schließen der Fahrzeugtür 20, so sendet er ein Signal an die Steuereinheit 14, die daraufhin das Insassenkomfortsystem 12, genauer einen Antrieb 29 des Insassenkomfortsystems 12 (und ggf. das Insassenschutzsystem 13) aktiviert. Dabei umfasst das Insassenkomfortsystem 12 insbesondere ein mechatronisch.es, reversibles System wie zum Beispiel einen Gurtbringer, einen Gurtschlossbringer und/oder einen Sitzhöhenversteller. Im Falle eines Insassenschutzsystems 13, beispielsweise eines Gassackmoduls oder eines Gurtstraffers, ist hierbei unter Aktivierung natürlich nicht das Auslösen desselben zu verstehen, sondern dass das System in einem Bereitschaftszustand gehalten bzw. in diesen gebracht wird. If the sensor 16 now detects a touch by the vehicle occupant, usually when closing the vehicle door 20, it sends a signal to the control unit 14, which then activates the occupant comfort system 12, more precisely a drive 29 of the occupant comfort system 12 (and possibly the occupant protection system 13) , In particular, the occupant comfort system 12 includes a mechatronic.es, reversible system such as a belt feeder, a belt buckle and / or a seat height adjuster. In the case of an occupant protection system 13, for example, a gas bag module or a belt tensioner, this activation is of course not to be understood as the activation of the same, but rather that the system is kept in a ready state or brought into it.
Wie aus den Figuren 1 und 3 ersichtlich, ist ein zweiter Sensor 30 vorgesehen, der im Bereich B3 eines Außengriffs 32 der Fahrzeugtür 20 angeordnet und ebenfalls mit der Steuereinheit 14 gekoppelt ist. Das Insassenkomfortsystem 12 bzw. Insassenschutzsystem 13 wird ebenfalls in Abhängigkeit des Signals vom zweiten Sensor 30 aktiviert. Dieser zweite Sensor 30 im Außenbereich des Fahrzeugs stellt sicher, dass das Insassenkomfortsystem 12 (bzw. Insassenschutzsystem 13) auch dann aktiviert wird, wenn der Fahrzeuginsasse die Fahrzeugtür 20 nicht selbst von innen schließt, sondern dies durch eine Person außerhalb des Fahrzeugs geschieht. Hierbei kann der Sensor 30 Teil eines schlüssellosen Komfort-Zugangssystems sein. As can be seen from FIGS. 1 and 3, a second sensor 30 is provided which is arranged in the region B 3 of an outer handle 32 of the vehicle door 20 and is likewise coupled to the control unit 14. The occupant comfort system 12 or occupant protection system 13 is likewise activated as a function of the signal from the second sensor 30. This second sensor 30 in the exterior of the vehicle ensures that the occupant comfort system 12 (or occupant protection system 13) is activated even when the vehicle occupant does not close the vehicle door 20 from the inside, but rather by a person outside the vehicle. Here, the sensor 30 may be part of a keyless convenience entry system.
Sowohl der erste Sensor 16 als auch der zweite Sensor 30 ist als Berührungssensor, Drucksensor oder Annäherungssensor ausgebildet, insbesondere handelt es sich um einen kapazitiven Sensor. Both the first sensor 16 and the second sensor 30 is designed as a contact sensor, pressure sensor or proximity sensor, in particular it is a capacitive sensor.
Vor allem wenn mit der Vorrichtung 10 nicht nur ein Insassenkomfortsystem 12, sondern alternativ oder zusätzlich ein Insassenschutzsystem 13 gesteuert werden soll, ist es sinnvoll, die Aktivierung des Systems durch die Steuereinheit 14 in Abhängigkeit eines Signals eines weiteren Sensors 34 bzw. mehrerer weiterer Sensoren erfolgen zu lassen. Bei dem weiteren Sensor 34 kann es sich z.B. um einen Türöffnungsschalter, eine Sitzbelegungsmatte und/oder einen Gurtschlossschalter handeln. Especially when the device 10 not only a passenger comfort system 12, but alternatively or additionally an occupant protection system 13 is to be controlled, it makes sense to activate the system by the control unit 14 in response to a signal of another sensor 34 and several other sensors allow. The further sensor 34 may be e.g. to act a door opening switch, a seat occupancy mat and / or a buckle switch.
Durch die Kombination mehrerer, auch zeitlich gestaffelt auftretender Signale können verschiedene Situationen und Zustände erfasst und unterschieden werden, ebenso kann dadurch die Wahrscheinlichkeit, dass ein bestimmter definierter Zustand vorliegt, erhöht werden. By combining several signals, which also occur over a period of time, different situations and states can be detected and distinguished, and this can also increase the probability that a certain defined state exists.
Das erfindungsgemäße Verfahren zur Steuerung des Insassenkomfort- systems 12 bzw. des Insassenschutzsystems 13 sieht in einem ersten Schritt vor, dass ein Signal des Sensors 16 oder des Sensors 30 erfasst wird, von dem auf eine Belegung des Fahrzeugsitzes 18 durch einen Fahrzeuginsassen geschlossen werden kann, nämlich wenn der Fahrzeuginsasse den Türöffnungshebel 26 oder die Armauflage 28 berührt bzw. wenn eine Person außerhalb des Fahrzeugs den Außengriff 32 berührt. Anschließend wird das Signal in der mit dem Sensor 16 gekoppelten Steuereinheit 14 ausgewertet und daraufhin das Insassen komfortsystem 12 (bzw. dessen Antrieb 29) und/oder das Insassenschutzsystem 13 durch die Steuereinheit 14 aktiviert. The method according to the invention for controlling the occupant comfort system 12 or the occupant protection system 13 provides in a first step, that a signal of the sensor 16 or the sensor 30 is detected, from which an occupancy of the vehicle seat 18 by a vehicle occupant can be closed, namely when the vehicle occupant touches the door opening lever 26 or the armrest 28 or if a person outside the vehicle the outside handle 32 touched. Subsequently, the signal is evaluated in the sensor 16 coupled to the control unit 14 and then the occupant comfort system 12 (or its drive 29) and / or the occupant protection system 13 activated by the control unit 14.
Im Fall, dass noch ein oder mehrere weitere Sensoren 34 vorhanden sind, können diese weitere Signale erfassen und an die Steuereinheit übermitteln: Öffnen bzw. Schließen der Fahrzeugtür (Türöffnungsschalter), Belegung des Fahrzeugsitzes (Sitzbelegungsmatte) und/oder Schließen des Sicherheitsgurtes (Gurtschlossschalter). In the event that one or more further sensors 34 are present, they can detect further signals and transmit them to the control unit: opening or closing the vehicle door (door opening switch), occupancy of the vehicle seat (seat occupancy mat) and / or closing the seat belt (buckle switch) ,
Durch die Erfassung mehrerer Signale lassen sich Fehlinterpretationen der vorliegenden Situation und damit unerwünschte Aktivierungen des Insassenkomfortsystems 12 bzw. Insassenschutzsystems 13 noch zuverlässiger ausschließen. By capturing a plurality of signals, misinterpretations of the present situation and thus unwanted activations of the occupant comfort system 12 or occupant protection system 13 can be more reliably ruled out.

Claims

Patentansprüche claims
1. Vorrichtung zur Steuerung eines Insassenkomfortsystems (12) und/oder Insassenschutzsystems (13) in einem Kraftfahrzeug, mit 1. Device for controlling a passenger comfort system (12) and / or occupant protection system (13) in a motor vehicle, with
einem ersten Sensor (16), der ein Signal erfasst, von dem auf eine Belegung eines Fahrzeugsitzes (18) durch einen Fahrzeuginsassen geschlossen werden kann, und  a first sensor (16) which detects a signal from which an occupancy of a vehicle seat (18) can be closed by a vehicle occupant, and
einer mit dem ersten Sensor (16) gekoppelten Steuereinheit (14), die in Abhängigkeit vom erfassten Signal das Insassenkomfortsystem (12) und/oder Insassenschutzsystem (13) aktiviert,  a control unit (14) coupled to the first sensor (16) and activating the occupant comfort system (12) and / or occupant protection system (13) in response to the detected signal,
dadurch gekennzeichnet, dass der erste Sensor (16) im Bereich (B-i, B2) eines Innengriffs einer dem Fahrzeugsitz (18) zugeordneten Fahrzeugtür (20) angeordnet ist. characterized in that the first sensor (16) in the region (Bi, B 2 ) of an inner handle of the vehicle seat (18) associated vehicle door (20) is arranged.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass das Insassenkomfortsystem (12) und/oder Insassenschutzsystem (13) einen Antrieb (29) aufweist, der von der Steuereinheit (14) aktiviert wird. 2. Apparatus according to claim 1, characterized in that the occupant comfort system (12) and / or occupant protection system (13) has a drive (29) which is activated by the control unit (14).
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Insassenkomfortsystem (12) und/oder Insassenschutzsystem (13) ein mecha- tronisches, insbesondere reversibles System umfasst. 3. Device according to claim 1 or 2, characterized in that the occupant comfort system (12) and / or occupant protection system (13) comprises a mechatronic, in particular reversible system.
4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Insassenkomfortsystem (12) einen Gurtbringer, einen Gurtschlossbringer und/oder einen Sitzhöhenversteller umfasst. 4. Device according to one of the preceding claims, characterized in that the occupant comfort system (12) comprises a Gurtbringer, a Gurtschlossbringer and / or a Sitzhöhenversteller.
5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein mit der Steuereinheit (14) gekoppelter zweiter Sensor (30) vorgesehen ist, der im Bereich (B3) eines Außengriffs (32) der dem Fahrzeugsitz zugeordneten Fahrzeugtür (20), insbesondere einer Beifahrertür, angeordnet ist und in Abhängigkeit von dessen Signal das Insassenkomfortsystem (12) und/oder Insassenschutzsystem (13) ebenfalls aktiviert werden kann. 5. Device according to one of the preceding claims, characterized in that with the control unit (14) coupled to the second sensor (30) is provided in the region (B 3 ) of an outer handle (32) of the vehicle seat associated vehicle door (20), in particular a passenger door, is arranged and depending on its signal, the occupant comfort system (12) and / or occupant protection system (13) can also be activated.
6. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es sich bei dem ersten und/oder zweiten Sensor (16, 30) um einen Berührungssensor, Drucksensor, Annäherungssensor und/oder kapazitiven Sensor handelt. 6. Device according to one of the preceding claims, characterized in that it is the first and / or second sensor (16, 30) to a touch sensor, pressure sensor, proximity sensor and / or capacitive sensor.
7. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Aktivierung des Insassenkomfortsystems (12) und/oder Insassenschutzsystems (13) durch die Steuereinheit (14) in Abhängigkeit eines Signals wenigstens eines zum ersten Sensor (16) weiteren Sensors (34) erfolgt. 7. Device according to one of the preceding claims, characterized in that the activation of the occupant comfort system (12) and / or occupant protection system (13) by the control unit (14) in response to a signal at least one to the first sensor (16) further sensor (34). he follows.
8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der wenigs- tens eine weitere Sensor (34) einen Türöffnungsschalter, eine Sitzbelegungsmatte und/oder einen Gurtschlossschalter aufweist. 8. The device according to claim 7, characterized in that the at least one further sensor (34) has a door opening switch, a seat covering mat and / or a buckle switch.
9. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sensor (16) im Innengriff Teil der Tür-Innengriffeinheit (22) ist, die eine Griffschale (24) für einen Türöffnungshebel (26) oder eine Arm- aufläge (28) aufweist. 9. Device according to one of the preceding claims, characterized in that the sensor (16) in the inner handle part of the door inner handle unit (22) having a handle shell (24) for a door opening lever (26) or a Armläläge (28). having.
10. Verfahren zur Steuerung eines Insassenkomfortsystems (12) und/oder Insassenschutzsystems (13) in einem Kraftfahrzeug, insbesondere mittels einer Vorrichtung (10) nach einem der vorhergehenden Ansprüche, gekennzeichnet durch folgende Schritte: 10. A method for controlling an occupant comfort system (12) and / or occupant protection system (13) in a motor vehicle, in particular by means of a device (10) according to one of the preceding claims, characterized by the following steps:
- Erfassen eines Signals, von dem auf eine Belegung eines Fahrzeugsitzes - Detecting a signal from an occupancy of a vehicle seat
(18) durch einen Fahrzeuginsassen geschlossen werden kann, durch einen Sensor (16), der im Bereich (Βι, B2) eines Innengriffs einer dem Fahrzeugsitz (18) zugeordneten Fahrzeugtür (20) angeordnet ist, (18) can be closed by a vehicle occupant, by a sensor (16) which is arranged in the region (Βι, B 2 ) of an inner handle of the vehicle seat (18) associated vehicle door (20),
- Auswerten des Signals in einer mit dem Sensor (16) gekoppelten Steuerein- heit (14), und  - Evaluating the signal in a coupled to the sensor (16) control unit (14), and
- Aktivieren des Insassenkomfortsystems (12) und/oder Insassenschutzsystems (13) durch die Steuereinheit (14).  - Activation of the occupant comfort system (12) and / or occupant protection system (13) by the control unit (14).
PCT/EP2013/002245 2012-08-21 2013-07-29 Device and method for controlling a passenger comfort system and/or passenger protection system in a motor vehicle WO2014029460A1 (en)

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DE102015106981A1 (en) * 2015-05-05 2016-11-10 Huf Hülsbeck & Fürst Gmbh & Co. Kg Method for detecting an actuating action
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WO1984000132A1 (en) * 1982-06-23 1984-01-19 John J Chika Vehicle occupant restraining device
WO2003055724A1 (en) * 2001-12-22 2003-07-10 Robert Bosch Gmbh Device for occupant classification and method for occupant classification

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GB1366911A (en) * 1970-09-09 1974-09-18 Lindblad O L Safety belt arrangement for passengers in vehicles
WO1984000132A1 (en) * 1982-06-23 1984-01-19 John J Chika Vehicle occupant restraining device
WO2003055724A1 (en) * 2001-12-22 2003-07-10 Robert Bosch Gmbh Device for occupant classification and method for occupant classification

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