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DE4323861A1 - Automatic 4 point motor vehicle safety belt with radar or ultrasonic distance sensing, minima distance warning and belt tightening - Google Patents

Automatic 4 point motor vehicle safety belt with radar or ultrasonic distance sensing, minima distance warning and belt tightening

Info

Publication number
DE4323861A1
DE4323861A1 DE19934323861 DE4323861A DE4323861A1 DE 4323861 A1 DE4323861 A1 DE 4323861A1 DE 19934323861 DE19934323861 DE 19934323861 DE 4323861 A DE4323861 A DE 4323861A DE 4323861 A1 DE4323861 A1 DE 4323861A1
Authority
DE
Germany
Prior art keywords
belt
distance
radar
automatic
motor vehicle
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.)
Granted
Application number
DE19934323861
Other languages
German (de)
Other versions
DE4323861C2 (en
Inventor
Richard Lang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19934323861 priority Critical patent/DE4323861C2/en
Publication of DE4323861A1 publication Critical patent/DE4323861A1/en
Application granted granted Critical
Publication of DE4323861C2 publication Critical patent/DE4323861C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/02—Semi-passive restraint systems, e.g. systems applied or removed automatically but not both ; Manual restraint systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/04—Passive restraint systems, i.e. systems both applied and removed automatically, e.g. by movement of the vehicle door
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

The said safety belt is characterized in that: 1. there is automated suspension of the belts in the guides, 2. the belt tightening devices are integrated in the guides, the force sequence being as follows: electric motor, pinion, toothed rod, belt 3. via the combination, the measured speed in meters per second, the distance measured using radar or ultrasound in meters and computer assisted continuous evaluation of the distance in seconds are shown and, when a specific fixed distance value is not met a minimum distance warning is initiated, as is the belt tightening system if the distance is reduced even further.

Description

GebietTerritory

Die Erfindung bezieht sich auf einen KFZ-Sicherheits­ gurt im KFZ-Sitz integriert, welcher mittels einer mechanischen oder elektromechanischen Handhabungs­ einrichtung den beiden Peitschen zugeführt wird.The invention relates to a vehicle security belt integrated in the car seat, which by means of a mechanical or electromechanical handling device is fed to the two whips.

Stand der TechnikState of the art

Heute werden fast ausnahmslos Dreipunktgurte in Kraftfahrzeugen, wie allgemein bekannt, benutzt. Der Vorteil dieser Rückhaltevorrichtung ist die Preiswürdigkeit.Today, almost without exception, three-point belts are used in Motor vehicles, as is well known, used. The advantage of this restraint is that Value for money.

Die Nachteile ergeben sich durch den ungenauen Sitz und einseitiger Rückhaltung des Körpers. Bei frontalen Kollisionen werden dadurch erhebliche Verletzungen, wie Schlüsselbeinbrüche, je nach Auf­ prall seitliches Ausklinken, Durchrutschen etc., verursacht.The disadvantages result from the imprecise fit and one-sided restraint of the body. In frontal collisions, this becomes significant Injuries, such as broken collarbones, depending on the situation firm lateral release, slipping etc., caused.

Darstellungpresentation

Bei meiner Erfindung handelt es sich um einen Ho­ senträgergurt mit Waagerecht-Gurtverbindung. Die Gurtaustritte befinden sich am oberen Teil der Sitz­ lehne. Diese sind mittels Haftmagneten an einer me­ chanischen oder elektromechanischen Handhabungsein­ richtung aufgehängt.My invention is a ho Carrier belt with horizontal belt connection. The Belt exits are located on the upper part of the seat rest. These are attached to a me by means of holding magnets mechanical or electromechanical handling direction hung.

Die Handhabungseinrichtung besteht aus einem 90°-Win­ kel, dessen senkrechter Arm mittels einer in der Sitzlehne integrierten AchseThe handling device consists of a 90 ° winch kel, whose vertical arm by means of a in the Seat back integrated axis

  • A) bei der mechanischen Ausführung federbelastet über die in der Sitzlehne integrierten Gurtauf­ roller von Hand undA) spring-loaded in the mechanical version via the belt integrated in the seat back roller by hand and
  • B) bei der elektromechanischen Ausführung mittels eines ElektromotoresB) in the electromechanical version by means of an electric motor

geschwenkt wird.is pivoted.

Ablauf: Der waagerechte Bügel der Handhabungseinrich­ tung steht über dem Kopf des Fahrers oder der Mitfah­ rer unter dem KFZ-Dach. Die mechanische Ausführung eignet sich gut für die hinteren Sitze und Kindersitze, da kindersitzfreundlich.Procedure: The horizontal bracket of the handling device device is above the driver's or driver's head rer under the car roof. The mechanical version works well for the rear seats and child seats, because child seat-friendly.

Bei Ausführung A) wird der waagerechte Bügel der Hand­ habungseinrichtung, an dem die beiden Gurte und der Mittelgurt mittels Magneten aufgehängt sind, von Hand an die im Sitz integrierten Peitschen herangebracht. Die magnetischen Oberteile der Peitschen sind so aus­ gebildet, daß die Köpfe der beiden Gurte automatisch ihren festen Sitz finden.In version A), the horizontal bracket of the hand habitation device on which the two belts and the Middle belt are suspended by magnets, by hand brought to the whips integrated in the seat. The magnetic tops of the whips are like this formed that the heads of the two belts automatically find their firm seat.

Die Vorspannung des Federrückzuges ist so bemessen, daß dieser die Magnetkraft der Gurtaufhängungen an der Handhabungseinrichtung überwindet und die Hand­ habungseinrichtung zurückschwenkt. The preload of the spring return is dimensioned that this the magnetic force of the belt suspensions overcomes the handling device and the hand pivots back.  

Bei Ausführung B) wird dieser Schwenkvorgang über die Zündung oder einen Schalter, ein wenig zeitversetzt, durch einen E-Motor mit Rutschkupplung durchgeführt.In version B) this swiveling process is carried out via the Ignition or a switch, a little bit delayed, performed by an electric motor with a slip clutch.

Gurtstraffer: Das Innenteil der Peitschen mit außer­ mittig aufgesetzten Magnetaufnahmen für die Gurtköpfe läuft in Führungen.Belt tensioners: The inner part of the whips with the exception magnetic receptacles in the middle for the belt heads runs in guides.

In den Innenteilen der Peitschen befindet sich seit­ lich eine Zahnstange, die mittels Ritzel und E-Motor die Gurte in ca. 0,15 Sek. straffen können, wobei die Gurtaufroller bei Belastung blockieren.In the inner parts of the whips has been Lich a rack, which uses a pinion and electric motor can tighten the straps in about 0.15 seconds, the Block the belt retractor under load.

Die Gurtstraffer werden gesteuert überThe belt tensioners are controlled via

  • a) Tachometer mit zusätzlicher Eichung auf m/Sek.a) Tachometer with additional calibration to m / sec.
  • b) Abstandsmessung über Radar oder Ultraschallb) Distance measurement using radar or ultrasound
  • c) Rechnerc) calculator

Aus Geschwindigkeit = m/Sek. und Wegmessung zum Vor­ dermann wird kontinuierlich die Zeit bis zum Aufprall errechnet.Off speed = m / sec. and distance measurement to the front dermann continuously gets the time until the impact calculated.

Z.B. bei 50 km/h = ca. 14 m/Sek. - entspricht bei einem stehenden Hindernis = 1 Sek. Abstand - kann man eine Warnlampe oder einen Summer schalten, d. h. man befindet sich schon in gefährlicher Nähe des Vor­ dermannes.E.g. at 50 km / h = approx. 14 m / sec. - corresponds to a standing obstacle = 1 sec. distance - can to switch a warning lamp or buzzer, d. H. one is already in dangerous proximity to the front dermannes.

Wird dieser Wert um 50% unterschritten (7 m Abstand bei 50 km/h), wird der Gurtstraffer (in 0,15 Sek.) geschaltet. Bei jeder Geschwindigkeit bleiben also die beiden Zeitwerte 1 oder 0,5 Sek. konstant (bei besse­ ren Erkenntnissen kann man diese Werte nach oben oder unten korrigieren).If this value is undercut by 50% (7 m distance at 50 km / h), the belt tensioner (in 0.15 seconds) switched. So at any speed they stay both time values 1 or 0.5 seconds constant (with better You can use these findings to move these values up or down correct below).

Verläßt das Fahrzeug den Gefahrenbereich, werden nach einer kleinen Zeitverzögerung die Gurtstraffer wieder entlastet. If the vehicle leaves the danger zone, the belt tensioners again after a short delay relieved.  

Die Öffnung oder Rückführung des Gurtes
zu A) erfolgt, indem ich die Handhabungseinrichtung an die Magnete des Gurtes heranführe, an die Magnete anlege, die Gurtköpfe aus den Peitschen ausklinke. Somit wird der Gurt in die Ausgangsstellung zurückge­ führt.The opening or return of the belt
to A) is done by leading the handling device to the magnets of the belt, attaching to the magnets, disengaging the belt heads from the whips. Thus, the belt is returned to the starting position.

zu B) erfolgt, indem die beiden Gurtköpfe aus den Peitschen an einem Näherungsschalter vorbeigeführt werden, dadurch die Handhabungseinrichtung geschaltet und der Gurt mit Hilfe des Magnetsystems in Ausgangs­ stellung gebracht wird.to B) is done by removing the two belt heads from the Whips passed a proximity switch are switched, thereby the handling device and the belt with the help of the magnet system in exit position is brought.

Vorteilebenefits

Meine Erfindung hat den Sinn, aktiv und passiv am Fahrgeschehen teilzunehmen, wobei durch den aktiven Teil schon im Vorfeld des Fahrgeschehens Unfälle ver­ mieden werden und der passive Teil, aktiviert durch die Gurtstraffer und bessere Rückhaltekraftverteilung bei Zusammenstößen aller Art, die Verletzungsrate und der Verletzungsgrad wesentlich reduziert werden.My invention has the sense of being active and passive on Participate driving events, being by the active Some of the accidents occurred in advance of the driving event be avoided and the passive part, activated by the belt tensioners and better restraint force distribution in collisions of all kinds, the injury rate and the degree of injury can be significantly reduced.

Claims (4)

1. Dieser Automatik-4-Punkt-Kraftfahrzeug-Sicherheits­ gurt ist dadurch gekennzeichnet, daß er die Peit­ schen durch eine Handhabungseinrichtung über ein Magnetsystem automatisch findet, mechanisch oder elektromechanisch. Es können zur Verwendung kommen: Dauer-, Perma­ nent- oder Elektromagnete.1. This automatic 4-point motor vehicle safety belt is characterized in that it automatically finds the whips by a handling device via a magnet system, mechanically or electromechanically. The following can be used: permanent, permanent or electromagnets. 2. Die Gurtstraffer sind dadurch gekennzeichnet, daß sie in die Peitschen integriert sind und über Zahn­ stange, Ritzel sowie E-Motor, gebremst oder unge­ bremst, betätigt werden.2. The belt tensioners are characterized in that they are integrated into the whips and over tooth rod, pinion as well as electric motor, braked or not brakes, operated. 3. Eine weitere Bremse in der Peitsche ist gekenn­ zeichnet durch asymmetrische Anbringung der Gurt­ aufnahme an der Peitsche und Verzahnung an der gegenüberliegenden Seite der Zahnstange, also am Gehäuse und am Läufer, sowie Anbringung eines Freiwinkels rechts und links in Höhe des Ritzels. Das bewegliche Teil in der Peitsche = Läufer wird im Falle einer Kollision durch einseitige Zugkraft in die Verzahnung gedrückt und somit festgehalten.3. Another brake in the whip is known characterized by asymmetrical attachment of the belt Pick up on the whip and teeth on the opposite side of the rack, so on Housing and on the rotor, as well as attaching a Clearance angle right and left at the level of the pinion. The moving part in the whip = runner in the event of a collision due to one-sided pulling force pressed into the teeth and thus held. 4. Durch die Kombination, gekennzeichnet durch Geschwindigkeitsmessung in m/Sek., Abstandsmessung über Radar oder Ultraschall in Meter und rechnerunterstützte ständige Auswertung des Ab­ standes in Sek. wird eine Minderwegwarnung und die Gurtstraffung geschaltet.4. By the combination, characterized by Speed measurement in m / sec., Distance measurement using radar or ultrasound in meters and computer-aided continuous evaluation of the Ab available in sec becomes a short-travel warning and belt tensioning switched.
DE19934323861 1993-07-16 1993-07-16 4-point belt integrated in a vehicle seat Expired - Fee Related DE4323861C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19934323861 DE4323861C2 (en) 1993-07-16 1993-07-16 4-point belt integrated in a vehicle seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19934323861 DE4323861C2 (en) 1993-07-16 1993-07-16 4-point belt integrated in a vehicle seat

Publications (2)

Publication Number Publication Date
DE4323861A1 true DE4323861A1 (en) 1995-01-19
DE4323861C2 DE4323861C2 (en) 1996-04-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE19934323861 Expired - Fee Related DE4323861C2 (en) 1993-07-16 1993-07-16 4-point belt integrated in a vehicle seat

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DE (1) DE4323861C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19742606A1 (en) * 1997-09-26 1999-04-01 Volkswagen Ag Method and device for activating occupant protection systems in motor vehicles

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1008764A (en) * 1962-06-20 1965-11-03 James Gerard Fitzgerald Safety apparatus for vehicle occupants
DE1630477A1 (en) * 1967-07-14 1971-08-19 Fiala Ernst Prof Dipl Ing Dr T Safety holding device for the occupants of vehicles
US3822915A (en) * 1971-05-06 1974-07-09 Alfa Romeo Spa Safety seat belt having four fastening points, for a motor car seat
DE2133288B2 (en) * 1970-08-19 1975-04-24 Toyota Jidosha Kogyo K.K., Toyota, Aichi (Japan) Safety device for vehicle occupants
US3907059A (en) * 1972-12-05 1975-09-23 Takata Kojyo Co Passive motion arresting protective device of shoulder arm type
DE2922273A1 (en) * 1979-05-31 1981-01-22 Siemens Ag Vehicle collision safety device with inflatable air bag - transmits ultrasonic beam ahead of vehicle to detect approaching obstacle
EP0051126A1 (en) * 1980-10-30 1982-05-12 Adam Opel Aktiengesellschaft Disposition for fastening safety belt buckles at the back rest of back seats in motor vehicles
US4381829A (en) * 1979-10-23 1983-05-03 Regie Nationale Des Usines Renault Collision detection system with safety devices
DE3507381A1 (en) * 1985-03-02 1986-09-04 Bosch Gmbh Robert DEVICE FOR PROTECTING VEHICLE VEHICLES IN ACCIDENTAL ACCIDENTS
DE3637165A1 (en) * 1986-10-31 1988-05-05 Rainer Ashauer METHOD AND DEVICE FOR PREVENTING CRASHES, IN PARTICULAR FOR MOTOR VEHICLES IN ROAD TRAFFIC
DE3829824A1 (en) * 1987-09-16 1989-03-30 Volkswagen Ag Safety belt fastening device
DE3816834A1 (en) * 1988-05-18 1989-11-23 Keiper Recaro Gmbh Co VEHICLE SEAT WITH A BELT SYSTEM
DE4005598A1 (en) * 1990-02-22 1991-08-29 Bosch Gmbh Robert PROTECTIVE METHOD FOR VEHICLE PASSENGERS AND DEVICE FOR CARRYING OUT THE METHOD
DE4110132A1 (en) * 1990-03-28 1991-10-02 Mitsubishi Electric Corp VEHICLE DISTANCE CONTROL UNIT
DE4112579A1 (en) * 1990-04-18 1991-10-24 Nissan Motor INTERIOR SYSTEM FOR MOTOR VEHICLES
DE9108781U1 (en) * 1991-07-17 1991-12-12 TRW Repa GmbH, 7077 Alfdorf Belt tensioner for a lock anchored to a vehicle seat
DE4120397A1 (en) * 1991-06-19 1992-12-24 Bosch Gmbh Robert Contactless ultrasonic rangefinder esp. for vehicles in traffic - applies correction for temp. deduced from measurement of ultrasonic propagation time over distance between two transducers

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1008764A (en) * 1962-06-20 1965-11-03 James Gerard Fitzgerald Safety apparatus for vehicle occupants
DE1630477A1 (en) * 1967-07-14 1971-08-19 Fiala Ernst Prof Dipl Ing Dr T Safety holding device for the occupants of vehicles
DE2133288B2 (en) * 1970-08-19 1975-04-24 Toyota Jidosha Kogyo K.K., Toyota, Aichi (Japan) Safety device for vehicle occupants
US3822915A (en) * 1971-05-06 1974-07-09 Alfa Romeo Spa Safety seat belt having four fastening points, for a motor car seat
US3907059A (en) * 1972-12-05 1975-09-23 Takata Kojyo Co Passive motion arresting protective device of shoulder arm type
DE2922273A1 (en) * 1979-05-31 1981-01-22 Siemens Ag Vehicle collision safety device with inflatable air bag - transmits ultrasonic beam ahead of vehicle to detect approaching obstacle
US4381829A (en) * 1979-10-23 1983-05-03 Regie Nationale Des Usines Renault Collision detection system with safety devices
EP0051126A1 (en) * 1980-10-30 1982-05-12 Adam Opel Aktiengesellschaft Disposition for fastening safety belt buckles at the back rest of back seats in motor vehicles
DE3507381A1 (en) * 1985-03-02 1986-09-04 Bosch Gmbh Robert DEVICE FOR PROTECTING VEHICLE VEHICLES IN ACCIDENTAL ACCIDENTS
DE3637165A1 (en) * 1986-10-31 1988-05-05 Rainer Ashauer METHOD AND DEVICE FOR PREVENTING CRASHES, IN PARTICULAR FOR MOTOR VEHICLES IN ROAD TRAFFIC
DE3829824A1 (en) * 1987-09-16 1989-03-30 Volkswagen Ag Safety belt fastening device
DE3816834A1 (en) * 1988-05-18 1989-11-23 Keiper Recaro Gmbh Co VEHICLE SEAT WITH A BELT SYSTEM
DE4005598A1 (en) * 1990-02-22 1991-08-29 Bosch Gmbh Robert PROTECTIVE METHOD FOR VEHICLE PASSENGERS AND DEVICE FOR CARRYING OUT THE METHOD
DE4110132A1 (en) * 1990-03-28 1991-10-02 Mitsubishi Electric Corp VEHICLE DISTANCE CONTROL UNIT
DE4112579A1 (en) * 1990-04-18 1991-10-24 Nissan Motor INTERIOR SYSTEM FOR MOTOR VEHICLES
DE4120397A1 (en) * 1991-06-19 1992-12-24 Bosch Gmbh Robert Contactless ultrasonic rangefinder esp. for vehicles in traffic - applies correction for temp. deduced from measurement of ultrasonic propagation time over distance between two transducers
DE9108781U1 (en) * 1991-07-17 1991-12-12 TRW Repa GmbH, 7077 Alfdorf Belt tensioner for a lock anchored to a vehicle seat

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* Cited by examiner, † Cited by third party
Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19742606A1 (en) * 1997-09-26 1999-04-01 Volkswagen Ag Method and device for activating occupant protection systems in motor vehicles
DE19742606B4 (en) * 1997-09-26 2005-09-15 Volkswagen Ag Method and device for activating occupant protection systems in motor vehicles

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