EP1034087A1 - Dispositif pour detecter une pression exercee sur un siege de vehicule - Google Patents

Dispositif pour detecter une pression exercee sur un siege de vehicule

Info

Publication number
EP1034087A1
EP1034087A1 EP99945893A EP99945893A EP1034087A1 EP 1034087 A1 EP1034087 A1 EP 1034087A1 EP 99945893 A EP99945893 A EP 99945893A EP 99945893 A EP99945893 A EP 99945893A EP 1034087 A1 EP1034087 A1 EP 1034087A1
Authority
EP
European Patent Office
Prior art keywords
seat
sensors
sensor
outside
pressure exerted
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.)
Ceased
Application number
EP99945893A
Other languages
German (de)
English (en)
Inventor
Werner Nitschke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1034087A1 publication Critical patent/EP1034087A1/fr
Ceased legal-status Critical Current

Links

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
    • 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
    • B60R21/01556—Child-seat detection systems
    • 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
    • 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
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • 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
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0226—User interfaces specially adapted for seat adjustment
    • B60N2/0228—Hand-activated mechanical switches
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2887—Fixation to a transversal anchorage bar, e.g. isofix
    • 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
    • B60R21/01544—Passenger detection systems detecting seat belt parameters, e.g. length, tension or height-adjustment
    • B60R21/01546—Passenger detection systems detecting seat belt parameters, e.g. length, tension or height-adjustment using belt buckle sensors

Definitions

  • the invention relates to a device for detecting a pressure exerted on a vehicle seat.
  • Devices of this type are being used to an increasing extent in vehicle construction, in order to realize possibilities for seat occupancy detection. These detection devices are used in particular in luxury vehicles, because a number of different safety and comfort-increasing functions can be coupled to them.
  • DE 196 15 321 mentions a differentiated airbag deployment depending on the seat occupancy as one possibility. It is recognized whether there is an adult or a child or a child seat on the vehicle seat. Other safety devices, such as belt tensioners or roll bar systems, are also controlled with pressure sensor elements integrated in the seat. It is also common to control special seat adjustment functions and safety functions associated with the seat via the pressure exerted passively by a passenger on the seat. Such a system is described in DE 43 39 113, in which, in addition to headrest adjustment and child safety in relation to rear doors and windows, further functions are mentioned, for example lighting and air conditioning functions which can be switched depending on the load acting on the seat .
  • the device according to the invention for detecting a pressure exerted on a vehicle seat has the advantage that at least some of the sensors for pressure detection are arranged outside the seat area and are in direct contact with the body of the passenger. This means that all those vehicle functions can be actively influenced with a pressure sensor system that are only actuated passively with conventional seat occupancy detection. Switches for activating seat adjustment processes as the functions directly assigned to the seat can be very much in this way elegantly and conveniently integrated into the vehicle seat for the passenger.
  • the seat occupancy detection is integrated in a vehicle on a seat film arranged under a seat cover, it is advantageous if the sensors are also integrated into this film outside the seat area that is in direct contact with the body of the passenger. In addition to the advantage of an extremely flat embodiment, this results above all in cost advantages because the production of a larger seat film with more pressure sensors does not represent any significant additional outlay. In the same way, the acquisition and evaluation of the additional pressure pulses via an already existing control unit is not a problem that is reflected in material costs; they can be easily implemented as additional program routines.
  • the sensors are arranged next to one another outside the said seating area on the edge of a seating surface. There is thus an arrangement in the manner of a switch board which the driver or the passenger can access conveniently and in a targeted manner.
  • switches required for seat adjustment By integrating the switches required for seat adjustment into the seat film, additional switches that can be individually assembled and wired can be saved. This not only reduces the assembly effort, it also creates a system that is less susceptible to faults because a large number of contacts and soldering points are eliminated. Likewise, the electronics belonging to the seat adjustment can be integrated into the already existing seat occupancy electronics, which leads overall to a considerable reduction in costs.
  • child seat recognition can be carried out as a further seat-assigned function. This means that the information as to whether a child seat is on the vehicle seat and is engaged in the holder or not can be passed on to the control unit via a pressure sensor and displayed accordingly. This information is especially relevant for a differentiated airbag deployment.
  • a further advantageous variant consists in carrying out the belt buckle condition detection via the pressure sensors integrated in the seat film. This information can thus also be recorded with the device according to the invention and also displayed.
  • a very simple way of connecting the child seat holder and the buckle to the pressure-sensitive areas of the seat film is to use mechanical devices, for example levers or bolts, via which the pressure is transmitted.
  • FIG. 1 shows a seat according to the exemplary embodiment from the side
  • FIG. 2 shows the seat from above in the direction of the arrow A in FIG. 1
  • FIGS. 3 and 4 show the areas III in FIG. 2 in two different states from the side
  • FIG. 5 an enlarged view of area IV in Figure 1.
  • FIG. 1 shows a typical vehicle seat, under the cover 10 of which a seat film 12 is arranged.
  • This seat film 12 is an approximately 1 mm thin film consisting of two layers.
  • the first layer has pressure-sensitive areas, their electrical
  • the second layer with applied conductor tracks which forward the pressure information to a control device 14.
  • the pressure-sensitive areas on the seat film are the sensors 16. In the exemplary embodiment in FIG. 1, these sensors 16 are arranged on the edge of a seat surface 18.
  • the drive means 20 are usually small electric motors, but drive means on a pneumatic or hydraulic basis can also be used.
  • FIG. 2 shows a view of the vehicle seat in the direction of arrow A in FIG. 1.
  • the seat film 12 is no longer explicitly shown in FIG. 2, but it covers the seat surface 18 almost completely, as does the region of the backrest 22 and the headrest 24 shown.
  • the different seating elements can be divided into two areas, which are separated from each other by dashed lines.
  • the enclosed areas 26 represent the seating area which is in direct contact with the body of the passenger.
  • the remaining areas are referred to as the areas 27 outside the seating area which is in direct contact with the body of the passenger.
  • sensors 16.1 and 16.2 can be used to perform a longitudinal adjustment of the seat by actively pressing the points marked with arrows.
  • the height of the vehicle seat is adjusted using the sensors 16.3 and 16.4 arranged directly behind it.
  • the four sensors 16.5 and 16.6 arranged next to one another on the left edge of the seat surface 20 serve to adjust the inclination of the backrest 22, and with the sensors 16.7 and 16.8, the headrest 24 can be adjusted in height.
  • two further sensors 16.9 are placed, which are in contact with two closures 28 of a child seat.
  • FIGS. 3 and 4 A possibility for child seat recognition is shown in FIGS. 3 and 4.
  • Child seat is shaped so that it can snap into a counterpart 30 attached to the vehicle seat and securely connects the two parts to one another.
  • the shape of the closure 28 also enables actuation of a lever 32 which is connected to the counterpart 30 via a spring 34.
  • the pivot point 36 of the lever 32 is located approximately in the center above the sensors 16.91 and 16.92. If the closure 28 - as shown in FIG. 3 - is not connected to the counterpart 30, then the lever 32 presses on the sensor 16.92 due to the force of the spring 34 and loads it (arrow B). No pressure is exerted on sensor 16.91. If you move the closure 28 of the child seat in the direction of arrow C and snap it into the counterpart 30, the lever 32 is pressed in a direction that loads the sensor 16.91 (arrow D) and at the same time relieves the sensor 16.92. It can thus be reliably recognized whether the child seat is attached in accordance with regulations or not. In addition, each of the two child seat states is characterized by two unambiguous sensor states and thus there is a redundant statement about the state of the child seat that is necessary for safety systems.
  • An analogous state detection can be done with the sensor 16.10, which is arranged in the immediate vicinity of a buckle 38, also via mechanical devices carry out.
  • the sensor 16.10 which is arranged in the immediate vicinity of a buckle 38, also via mechanical devices carry out.

Abstract

L'invention concerne un dispositif permettant de détecter une pression exercée sur un siège de véhicule, à l'aide de détecteurs (16) apposés sur au moins un élément de siège et d'une unité de commande (14) reliée aux détecteurs (16) et détectant les signaux provenant des détecteurs (16). Il est prévu qu'au moins une partie des détecteurs (16) se trouvent en dehors de la zone de siège (26) située en contact direct avec le corps du passager qui l'occupe.
EP99945893A 1998-07-06 1999-07-03 Dispositif pour detecter une pression exercee sur un siege de vehicule Ceased EP1034087A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19830104 1998-07-06
DE19830104A DE19830104A1 (de) 1998-07-06 1998-07-06 Vorrichtung zum Erfassen eines auf einen Fahrzeugsitz ausgeübten Druckes
PCT/DE1999/002052 WO2000001552A1 (fr) 1998-07-06 1999-07-03 Dispositif pour detecter une pression exercee sur un siege de vehicule

Publications (1)

Publication Number Publication Date
EP1034087A1 true EP1034087A1 (fr) 2000-09-13

Family

ID=7873105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99945893A Ceased EP1034087A1 (fr) 1998-07-06 1999-07-03 Dispositif pour detecter une pression exercee sur un siege de vehicule

Country Status (7)

Country Link
US (1) US6327917B1 (fr)
EP (1) EP1034087A1 (fr)
JP (1) JP2002519241A (fr)
KR (1) KR20010023473A (fr)
BR (1) BR9906591A (fr)
DE (1) DE19830104A1 (fr)
WO (1) WO2000001552A1 (fr)

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US7762582B2 (en) * 1995-06-07 2010-07-27 Automotive Technologies International, Inc. Vehicle component control based on occupant morphology
US20070135982A1 (en) 1995-06-07 2007-06-14 Automotive Technologies International, Inc. Methods for Sensing Weight of an Occupying Item in a Vehicular Seat
US7766383B2 (en) * 1998-11-17 2010-08-03 Automotive Technologies International, Inc. Vehicular component adjustment system and method
US7976060B2 (en) * 1995-06-07 2011-07-12 Automotive Technologies International, Inc. Seat load or displacement measuring system for occupant restraint system control
US7988190B2 (en) * 1995-06-07 2011-08-02 Automotive Technologies International, Inc. Airbag deployment control using seatbelt-mounted sensor
DE10057222B4 (de) 2000-11-18 2007-02-08 I.G. Bauerhin Gmbh Flächenheizelement
DE102004007787A1 (de) * 2004-02-18 2005-09-08 Daimlerchrysler Ag Kindersicherungssystem für ein Kraftfahrzeug
DE102004043296A1 (de) * 2004-09-08 2006-03-09 Fendt, Günter Sicherheitseinrichtung mit Rückhaltevorrichtungen für Omnibusse und Verfahren zum Aktivieren der Rückhaltevorrichtung einer Sicherheitseinrichtung für Omnibusse
DE102005057806B4 (de) * 2005-12-03 2016-04-14 Bayerische Motoren Werke Aktiengesellschaft Insassenerfassungsvorrichtung für ein Kraftfahrzeug
DE102006019720A1 (de) * 2006-04-27 2007-10-31 Siemens Ag Sicherheitsanordnung und ein Verfahren zum automatischen Verriegeln von Türen
US7391223B2 (en) * 2006-10-04 2008-06-24 3M Innovative Properties Company Insulation barrier for unshielded wire
JP7331846B2 (ja) * 2018-06-07 2023-08-23 ソニーグループ株式会社 制御装置、制御方法、プログラム、および移動体
US11358499B2 (en) 2019-10-17 2022-06-14 GM Global Technology Operations LLC Lower and upper latch anchor use detection sensing device

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JPS58105834A (ja) * 1981-12-17 1983-06-23 Nissan Motor Co Ltd シ−ト位置自動選定装置
US4655505A (en) * 1984-12-13 1987-04-07 Nhk Spring Co., Ltd. Pneumatically controlled seat for vehicle
JPS6239338A (ja) * 1985-08-15 1987-02-20 Mazda Motor Corp 自動車のシ−ト装置
US5263765A (en) * 1989-12-27 1993-11-23 Nissan Motor Co., Ltd. Automatic adjustable seat
DE4339113C2 (de) * 1993-11-16 1996-09-05 Daimler Benz Ag Sitzbelegungserkennungseinrichtung in einem Kraftfahrzeug
DE19527354A1 (de) * 1995-07-26 1997-01-30 Bayerische Motoren Werke Ag Sicherheitsvorrichtung für einen in seiner Längsstellung und/oder Lehnenneigung motorisch veränderbaren Fahrzeugsitz
DE19615321A1 (de) * 1996-04-17 1997-10-23 Daimler Benz Ag Sicherheitseinrichtung für ein Fahrzeug mit einem herausnehmbaren Sitz, insbesondere Beifahrersitz
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FR2754497B1 (fr) * 1996-10-14 1999-01-08 Peugeot Dispositif de commande de la position de differents organes d'un siege de vehicule automobile
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WO1998018648A1 (fr) * 1996-10-25 1998-05-07 Bayerische Motoren Werke Aktiengesellschaft Dispositif d'ajustement du siege d'un vehicule
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Also Published As

Publication number Publication date
JP2002519241A (ja) 2002-07-02
DE19830104A1 (de) 2000-01-13
BR9906591A (pt) 2000-07-18
KR20010023473A (ko) 2001-03-26
WO2000001552A1 (fr) 2000-01-13
US6327917B1 (en) 2001-12-11

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