DE202011001896U1 - Seat occupancy detection device for vehicle seats - Google Patents
Seat occupancy detection device for vehicle seats Download PDFInfo
- Publication number
- DE202011001896U1 DE202011001896U1 DE202011001896U DE202011001896U DE202011001896U1 DE 202011001896 U1 DE202011001896 U1 DE 202011001896U1 DE 202011001896 U DE202011001896 U DE 202011001896U DE 202011001896 U DE202011001896 U DE 202011001896U DE 202011001896 U1 DE202011001896 U1 DE 202011001896U1
- Authority
- DE
- Germany
- Prior art keywords
- sensor element
- seat
- support mat
- vehicle
- seat occupancy
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7094—Upholstery springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
- B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
- B60N2/003—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat
- B60N2/0031—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat mounted on the frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2210/00—Sensor types, e.g. for passenger detection systems or for controlling seats
- B60N2210/40—Force or pressure sensors
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Vorrichtung zur Sitzbelegungserfassung für Fahrzeugsitze, bestehend aus mindestens einem Sensorelement, das einer Baugruppe des Fahrzeugsitzes derart zugeordnet wird, dass das Sensorelement durch eine auf die Sitzfläche einwirkende Gewichtskraft beaufschlagt wird und wobei eine infolge dieser Beaufschlagung auftretende Änderung von mechanischen und/oder elektrischen Parametern des Sensorelementes als Signal zur Detektion der Sitzbelegung erfasst wird, dadurch gekennzeichnet, dass das mindestens eine Sensorelement (2) an einer Stützmatte (1) angeordnet ist, wobei auf dieser Stützmatte (1) ein Polster für den Fahrzeugsitz federnd abstützbar ist.Device for seat occupancy detection for vehicle seats, consisting of at least one sensor element which is assigned to an assembly of the vehicle seat such that the sensor element is acted upon by a force acting on the seat weight and wherein a change occurring as a result of this change of mechanical and / or electrical parameters of the sensor element is detected as a signal for detecting the seat occupancy, characterized in that the at least one sensor element (2) is arranged on a support mat (1), wherein on this support mat (1) a cushion for the vehicle seat is resiliently supported.
Description
Die Erfindung betrifft eine Vorrichtung zur Sitzbelegungserfassung für Fahrzeugsitze, bestehend aus mindestens einem Sensorelement, das einer Baugruppe des Fahrzeugsitzes derart zugeordnet wird, dass das Sensorelement durch eine auf die Sitzfläche einwirkende Gewichtskraft beaufschlagt wird und wobei eine infolge dieser Beaufschlagung auftretende Änderung von mechanischen und/oder elektrischen Parametern des Sensorelementes als Signal zur Detektion der Sitzbelegung erfasst wird.The invention relates to a device for seat occupancy detection for vehicle seats, comprising at least one sensor element which is associated with an assembly of the vehicle seat such that the sensor element is acted upon by a force acting on the seat weight and wherein a change occurring as a result of this application of mechanical and / or electrical parameters of the sensor element is detected as a signal for detecting the seat occupancy.
Fahrzeugsitze für Kraftfahrzeuge müssen verschiedenartige Anforderungen erfüllen. Unter Komfortaspekten sind eine gute Stützwirkung, eine ausreichende Bewegungsfreiheit, eine angenehme Sitztemperierung sowie ein gutes Schwingungs- und Dämpfungsverhalten wesentlich. Unter Sicherheitsaspekten sind Vorkehrungen notwendig, um die Insassen bei starken Beschleunigungs- oder Bremsvorgängen stabil im Fahrzeugsitz zu halten. Neben diesen grundsätzlichen Konstruktionsvorgaben werden die Fahrzeugsitze zunehmend mit verschiedenartigen Zusatzeinrichtungen ausgestattet. So können dem Sitz Sensoren zur Erfassung der Sitzbelegung zugeordnet werden, deren Signale beispielsweise für eine akustische und/oder optische Warnung bei einem nicht angelegten Sicherheitsgurt oder zur Ansteuerung einer Sitzheizung genutzt werden.Vehicle seats for motor vehicles must meet various requirements. From a comfort point of view, a good support effect, sufficient freedom of movement, a pleasant seat temperature control as well as a good vibration and damping behavior are essential. From a safety point of view, precautions are necessary to keep the occupants stable in the vehicle seat during heavy acceleration or braking. In addition to these basic design specifications, the vehicle seats are increasingly equipped with various additional equipment. Thus, the seat can be assigned sensors for detecting the occupancy of the seat, the signals are used for example for an audible and / or visual warning in a non-applied seat belt or for driving a seat heater.
Eine ähnliche technische Lösung ist aus
Ein wesentlicher Nachteil der zwei benannten Konstruktionen besteht darin, dass die Sensoren unabhängig von ihrem Wirkprinzip bereits während der Herstellung in den Grundkörper aus Schaum eingebracht und elektrisch verschaltet werden müssen. Spätere Modifizierungen für unterschiedliche Fahrzeugtypen sowie Instandsetzungen oder Nachrüstungen sind somit nicht oder nur bedingt möglich.A significant disadvantage of the two named constructions is that the sensors, regardless of their mode of action, must already be introduced into the main body of foam during manufacture and electrically interconnected. Subsequent modifications for different types of vehicles as well as repairs or retrofits are therefore not or only partially possible.
Aus
In
Die beiden zuletzt benannten Konstruktionen ermöglichen eine sehr exakte Aussage zur konkreten Sitzbelegung und sind deshalb besonders vorteilhaft für sicherheitsrelevante Aufgaben im Fahrzeug, beispielsweise zur Auslösung von Gurtstraffer, Gurtkraftbegrenzer und Airbag. Allerdings ist die oberflächennahe Anordnung der Sensoren in Kombination mit einer Sitzheizung problematisch. Ein weiterer Nachteil ist der erhebliche Aufwand, weil die benötigten Baugruppen sehr kostenintensiv sind und in der Sitzmontage auf den Schaumkörper oder den Bezug appliziert und elektrisch verschaltet werden müssen. Während dieser Kostenanteil für Fahrzeuge im Hochpreissegment weitgehend unerheblich ist, ergeben sich zumindest für Mittelklasse- und Kleinwagen Akzeptanzprobleme. Hier hat der Kostenfaktor bekanntlich wesentlichen Einfluss auf eine Kaufentscheidung.The two last-mentioned constructions allow a very precise statement on the specific seat occupancy and are therefore particularly advantageous for safety-related tasks in the vehicle, for example, to trigger the belt tensioner, belt force limiter and airbag. However, the near-surface arrangement of the sensors in combination with a seat heater is problematic. Another disadvantage is the considerable effort, because the required components are very expensive and must be applied in the seat assembly on the foam body or the cover and electrically interconnected. While this share of costs for vehicles in the high-price segment is largely negligible, acceptance problems arise, at least for mid-range and small cars. Here, the cost factor is known to have a significant impact on a purchase decision.
Aufgabe der Erfindung ist es, eine Vorrichtung zur Erfassung der Sitzbelegung in Fahrzeugen zu schaffen, die kostengünstig hergestellt sowie mit einem geringen Aufwand für verschiedene Fahrzeugsitze modifiziert werden kann und die zumindest für gering sicherheitsrelevante Aufgaben geeignet ist.The object of the invention is to provide a device for detecting the seat occupancy in vehicles, which can be manufactured inexpensively and modified with little effort for different vehicle seats and which is suitable at least for low security tasks.
Diese Aufgabe wird gelöst, indem die Vorrichtung mindestens ein Sensorelement aufweist, das an einer Stützmatte angeordnet ist, wobei auf dieser Stützmatte ein Polster für den Fahrzeugsitz federnd abstützbar ist. Vorteilhafte Ausgestaltungen sind Gegenstand von Unteransprüchen, deren technische Merkmale im Ausführungsbeispiel näher beschrieben werden.This object is achieved by the device having at least one sensor element which is arranged on a support mat, wherein a cushion for the vehicle seat is resiliently supported on this support mat. Advantageous embodiments are the subject of subclaims, whose technical features are described in more detail in the embodiment.
Somit wird eine Vorrichtung zur Erfassung der Sitzbelegung mit einem in die Stützmatte integrierten Sensor geschaffen, die kostengünstig hergestellt werden kann. Gleichzeitig ist eine Modifizierung für verschiedene Fahrzeugsitze mit geringem Aufwand möglich, indem die Stützmatte zunächst mit einem (oder mehreren) Sensorelement(en) ausgestattet und erst zu einem späteren Zeitpunkt mit einem Sitzpolster komplettiert wird, das für den jeweils konkreten Fahrzeugtyp benötigt wird. Somit können in vorteilhafter Weise große Stückzahlen gleichartiger Stützmatten von einem spezialisierten Hersteller gefertigt und nachfolgend in verschiedenen Unternehmen zum eigentlichen Fahrzeugsitz komplettiert werden. Thus, a device for detecting the seat occupancy is provided with a built-in support mat sensor, which can be produced inexpensively. At the same time a modification for different vehicle seats with little effort is possible by the support mat is first equipped with one (or more) sensor element (s) and completed at a later date with a seat cushion that is needed for each specific vehicle type. Thus, advantageously large numbers of similar support mats can be manufactured by a specialized manufacturer and subsequently completed in various companies to the actual vehicle seat.
Die Vorrichtung ist insbesondere für Aufgaben zur Erfassung der Sitzbelegung geeignet, die nicht oder nur gering sicherheitsrelevant sind. Diesbezüglich typische Aufgaben sind beispielsweise eine belegungsabhängige Schaltung der Sitzheizung oder eine akustische und/oder optische Warnung bei nicht angelegtem Sicherheitsgurt. Solche Anwendungen werden bisher aus Kostenaspekten überwiegend nur für Fahrzeuge mit zumindest mittlerem Kaufpreis realisiert. Durch Nutzung der erfindungsgemäßen Vorrichtung wird es möglich, diese Varianten nunmehr auch für kostengünstigere Fahrzeuge anzubieten.The device is particularly suitable for tasks for detecting the seat occupancy, which are not or only slightly security relevant. In this regard, typical tasks are, for example, an occupancy-dependent switching of the seat heating or an acoustic and / or visual warning when the seat belt is not worn. For cost reasons, such applications are mainly realized only for vehicles with an average purchase price. By using the device according to the invention it is possible to offer these variants now also for less expensive vehicles.
Nachfolgend wird ein Ausführungsbeispiel der Erfindung beschrieben. Es zeigen:Hereinafter, an embodiment of the invention will be described. Show it:
In der Zeichnung ist eine Vorrichtung zur Sitzbelegungserfassung für Fahrzeugsitze dargestellt. Die Vorrichtung umfasst eine Stützmatte
Der konkrete Aufbau solcher Stützmatten
Unabhängig von konkreter Ausgestaltung der Stützmatte
Dabei können die Sensorelemente
Unabhängig von der konkreten Ausgestaltung der Sensorelemente
Als bevorzugte Ausführung wird vorgeschlagen, dass mindestens ein Sensorelement
Alternativ kann auch ein Sensorelement
Aus
Dabei werden die elektrischen Kontakte mit den zugeordneten Anschlussleitungen
Für die Anordnung der Sensorelemente
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Stützmattesupport mat
- 1a1a
- Formfedershaped spring
- 1b1b
- Formfedershaped spring
- 1c1c
- Formfedershaped spring
- 1d1d
- Formfedershaped spring
- 22
- Sensorelementsensor element
- 33
- Bauelement zur Verbindung der FormfedernComponent for connecting the shaped springs
- 44
- Anschlussleitung für SensorelementConnecting cable for sensor element
- 55
- Bauelement zur Verbindung der FormfedernComponent for connecting the shaped springs
- 66
- Sensorelementsensor element
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
- DE 19602089 C2 [0003] DE 19602089 C2 [0003]
- DE 202005001164 U1 [0004] DE 202005001164 U1 [0004]
- DE 102004002479 B4 [0006] DE 102004002479 B4 [0006]
- DE 19959276 A1 [0007] DE 19959276 A1 [0007]
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202011001896U DE202011001896U1 (en) | 2010-01-22 | 2011-01-21 | Seat occupancy detection device for vehicle seats |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010005391.0 | 2010-01-22 | ||
| DE102010005391.0A DE102010005391B4 (en) | 2010-01-22 | 2010-01-22 | Seat occupancy detection device for vehicle seats |
| DE202011001896U DE202011001896U1 (en) | 2010-01-22 | 2011-01-21 | Seat occupancy detection device for vehicle seats |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE202011001896U1 true DE202011001896U1 (en) | 2011-05-05 |
Family
ID=43972890
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102010005391.0A Withdrawn - After Issue DE102010005391B4 (en) | 2010-01-22 | 2010-01-22 | Seat occupancy detection device for vehicle seats |
| DE202011001896U Expired - Lifetime DE202011001896U1 (en) | 2010-01-22 | 2011-01-21 | Seat occupancy detection device for vehicle seats |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102010005391.0A Withdrawn - After Issue DE102010005391B4 (en) | 2010-01-22 | 2010-01-22 | Seat occupancy detection device for vehicle seats |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE102010005391B4 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU91997B1 (en) * | 2012-05-10 | 2013-11-11 | Iee Sarl | Seat suspension mat, especially for vehicle seat |
| CN103582438A (en) * | 2011-06-30 | 2014-02-12 | 株式会社藤仓 | Seating sensor and seat device |
| EP3381741A1 (en) * | 2017-03-28 | 2018-10-03 | Aisin Seiki Kabushiki Kaisha | Seating sensor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7011178B2 (en) * | 2019-02-12 | 2022-01-26 | テイ・エス テック株式会社 | Vehicle seat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19602089C2 (en) | 1996-01-20 | 2000-09-21 | Bayerische Motoren Werke Ag | Device for seat occupancy detection |
| DE19959276A1 (en) | 1999-12-09 | 2001-06-13 | Matthias Louis | Seat occupation detection arrangement for car seats has bearer structure with pressure sensors arranged so data pattern represents type and magnitude of current seat occupancy |
| DE202005001164U1 (en) | 2005-01-24 | 2005-07-21 | F. S. Fehrer Automotive Foam Gmbh | Motor vehicle seat with an occupant detector has an occupant detector that is enclosed within the upholstery foam of the seat part of the seat |
| DE102004002479B4 (en) | 2004-01-16 | 2007-12-27 | Siemens Ag | Circuit arrangement for seat occupancy recognition and seat belt warning in a motor vehicle |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5573269A (en) * | 1993-12-02 | 1996-11-12 | Trw Vehicle Safety Systems Inc. | Apparatus and method for sensing and restraining an occupant of a vehicle seat |
| DE19602087C2 (en) * | 1996-01-20 | 2000-03-23 | Bayerische Motoren Werke Ag | Device for seat occupancy detection |
| DE19602088C2 (en) * | 1996-01-20 | 1999-01-14 | Bayerische Motoren Werke Ag | Device for seat occupancy detection |
| GB9604825D0 (en) * | 1996-03-07 | 1996-05-08 | Amp Gmbh | Seat occupancy sensor device |
| US5971432A (en) * | 1997-02-15 | 1999-10-26 | Breed Automotive Technology, Inc. | Seat occupant sensing system |
| DE19931379A1 (en) * | 1999-07-07 | 2001-01-11 | Hbm Waegetechnik Gmbh | Seat element, in particular a motor vehicle seat with a load detection device |
| US6318953B1 (en) * | 1999-07-12 | 2001-11-20 | Asyst Technologies, Inc. | SMIF-compatible open cassette enclosure |
| LU90482B1 (en) * | 1999-12-03 | 2001-06-05 | Iee Sarl | Vehicle seat with weight detection |
| EP1386790B1 (en) * | 2002-07-29 | 2007-05-30 | The Furukawa Electric Co., Ltd. | Vehicle seat incorporated with an occupant sensor |
| DE102004051157B3 (en) * | 2004-10-20 | 2006-07-13 | Austriamicrosystems Ag | Sensor for measuring a force acting on a surface and measuring method |
| DE102006003343B4 (en) * | 2006-01-24 | 2008-02-21 | Federnwerke Marienberg Gmbh | Support mat for seat structures |
-
2010
- 2010-01-22 DE DE102010005391.0A patent/DE102010005391B4/en not_active Withdrawn - After Issue
-
2011
- 2011-01-21 DE DE202011001896U patent/DE202011001896U1/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19602089C2 (en) | 1996-01-20 | 2000-09-21 | Bayerische Motoren Werke Ag | Device for seat occupancy detection |
| DE19959276A1 (en) | 1999-12-09 | 2001-06-13 | Matthias Louis | Seat occupation detection arrangement for car seats has bearer structure with pressure sensors arranged so data pattern represents type and magnitude of current seat occupancy |
| DE102004002479B4 (en) | 2004-01-16 | 2007-12-27 | Siemens Ag | Circuit arrangement for seat occupancy recognition and seat belt warning in a motor vehicle |
| DE202005001164U1 (en) | 2005-01-24 | 2005-07-21 | F. S. Fehrer Automotive Foam Gmbh | Motor vehicle seat with an occupant detector has an occupant detector that is enclosed within the upholstery foam of the seat part of the seat |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103582438A (en) * | 2011-06-30 | 2014-02-12 | 株式会社藤仓 | Seating sensor and seat device |
| EP2727497A4 (en) * | 2011-06-30 | 2015-04-22 | Fujikura Ltd | SEAT OCCUPANCY SENSOR AND SEAT DEVICE |
| CN103582438B (en) * | 2011-06-30 | 2016-05-04 | 株式会社藤仓 | Seating sensor and seat unit |
| LU91997B1 (en) * | 2012-05-10 | 2013-11-11 | Iee Sarl | Seat suspension mat, especially for vehicle seat |
| WO2013167505A1 (en) * | 2012-05-10 | 2013-11-14 | Iee International Electronics & Engineering S.A. | Seat suspension mat, especially for vehicle seat |
| CN104507741A (en) * | 2012-05-10 | 2015-04-08 | Iee国际电子工程股份公司 | Seat suspension mat, especially for vehicle seat |
| CN104507741B (en) * | 2012-05-10 | 2016-06-08 | Iee国际电子工程股份公司 | Seat suspension pad and seat especially for vehicle seat |
| EP3381741A1 (en) * | 2017-03-28 | 2018-10-03 | Aisin Seiki Kabushiki Kaisha | Seating sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102010005391A1 (en) | 2011-07-28 |
| DE102010005391B4 (en) | 2016-05-12 |
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Legal Events
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Effective date: 20110609 |
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| R150 | Utility model maintained after payment of first maintenance fee after three years | ||
| R150 | Utility model maintained after payment of first maintenance fee after three years |
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| R151 | Utility model maintained after payment of second maintenance fee after six years | ||
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| R152 | Utility model maintained after payment of third maintenance fee after eight years | ||
| R071 | Expiry of right |