FR2606717A1 - System for detecting obstacles to the rear of vehicles - Google Patents

System for detecting obstacles to the rear of vehicles Download PDF

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Publication number
FR2606717A1
FR2606717A1 FR8616131A FR8616131A FR2606717A1 FR 2606717 A1 FR2606717 A1 FR 2606717A1 FR 8616131 A FR8616131 A FR 8616131A FR 8616131 A FR8616131 A FR 8616131A FR 2606717 A1 FR2606717 A1 FR 2606717A1
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FR
France
Prior art keywords
obstacle detection
detection system
vehicles according
reader
vehicles
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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.)
Pending
Application number
FR8616131A
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French (fr)
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Individual
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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 FR8616131A priority Critical patent/FR2606717A1/en
Publication of FR2606717A1 publication Critical patent/FR2606717A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles

Abstract

The invention relates to a detecting and therefore protecting device determining a screen made up of a surface created by scanning either by means of a photoelectric cell, or by means of an infrared or ultrasound system, etc.. This invention allows the vehicle driver effecting a manoeuvre to know whether an obstacle is located in the blind spot and whether he is in danger of hitting it. It is made up of an assembly 3 formed by a motorised reduction gear 7 making the reader 9 describe a sector of angle B, of smaller or larger size 5, and capable of being 360 DEG 14 and of a length A, either alternately or continuously, depending on the detection desired. A sound and/or light system located close to the driver indicates to him that an obstacle has come into the dangerous zone to be protected.

Description

l'invention concerne un système détecteur d'obstacles à l'arrière de vé hui cules permettant d'indiquer au conducteur d'engin, lorsque celui-ci fait une marche arrière, qu'undojet quelconque risque de le heurter dans une partie dite aveugle, c'est à dire non vu par le pilote. the invention relates to an obstacle detection system at the rear of vehicles enabling the machine operator to be informed, when the latter is reversing, that any object risks striking it in a so-called blind part , i.e. not seen by the pilot.

Actuellement, pour faire une marche arrière, un conducteur d'engin à sa disposition des retroviseurs lui permettant de voir à l'arrière de son véhicule. Cependant pratiquement toute la surface arriere de son engin n'est pas dans son champ de vision et beaucoup d'accidents interviennent lors de marche arriere. Currently, to reverse gear, a machine operator has mirrors at his disposal allowing him to see behind his vehicle. However practically all the rear surface of its machine is not in its field of vision and many accidents occur during reverse gear.

On connait bien le systeme radar ou de sonar mais ceus-ci ne sont pas adaDtes, aux conditions d'utilisation voulues ici. We are well aware of the radar or sonar system but these are not suitable, under the conditions of use desired here.

Selon l'invention celle-ci remédie à cet handicap. Une cellule photo électrique ou à infrarouge ou à ultrason d'une certaine porte de lecture est montée sur un support reglable. Ce support lui-meme monté sur un moto réducteur dont l'axe décrit soit 3600 soit alternativement ou continuellement ou décrit des secteurs d'angles alternativement. According to the invention it remedies this handicap. An electric or infrared or ultrasonic photo cell of a certain reading door is mounted on an adjustable support. This support itself mounted on a reduction motor whose axis describes either 3600 or alternately or continuously or describes sectors of angles alternately.

Ce balayage de faisceau Dermet de créer un ecran plat et invisible détectant tout objet le traversant, permettant ainsi de créer un sianal sonore etiou lumineux. This beam sweeping Dermet create a flat and invisible screen detecting any object passing through, thus allowing to create a sound and etiou luminous sianal.

D'autres buts et avantages de la présente invention apparaitront au cours de la description qui va suivre faite à titre d'exemple non limitatif en regard du dessin ci-annexe qui représente schématiquement
Figure 1 Une vue d'un attelage semi-remoraue (2) comportant à l'arriere en (1) un dispositif (3) selon l'invention.Other objects and advantages of the present invention will emerge during the description which follows, given by way of nonlimiting example with reference to the attached drawing which schematically represents
Figure 1 A view of a semi-trailer hitch (2) comprising at the rear in (1) a device (3) according to the invention.

Figure 2 Une vue de dessus, de l'attelage, montrant la zone de détection(4) hachuré. Figure 2 A top view of the hitch, showing the hatched detection area (4).

Figure 3 Une vue de derrière la remorque montrant la zone de détection (4) et la forme de l'écran (5) ici de 1800. Figure 3 A view from behind the trailer showing the detection area (4) and the shape of the screen (5) here from 1800.

Fiqure 4 Une vue détaillée du dispositif (3). Fiqure 4 A detailed view of the device (3).

Fiaure 5 Une vue de côte du dispositif (3). Figure 5 A side view of the device (3).

Figure 6 Une vue de derrière la remorque montrant la zone de détection (14) avec rotation de 3600. Figure 6 A rear view of the trailer showing the detection zone (14) with rotation of 3600.

Figure 7 Vue F du cône de détection de la figure 6
Tel qu'il est représenté figure 1, 2, 3,on voit très bien le dispositif (3) créant un écran olat (4) bleus ou moins épais suivant le mode de lecteur choisi réalisé par un balayace d'un secteur d'angle B par le système de lecture (9). Figure 7 View F of the detection cone of Figure 6
As shown in Figure 1, 2, 3, we can clearly see the device (3) creating a screen olat (4) blue or less thick depending on the chosen reader mode achieved by a swipe of a corner sector B by the reading system (9).

La finure 1 le faisceau (11) détecte un quai de chargement (6), ou autre. La lonoueur A du faisceau est régable ou non ainsi nue l'angle α
Les fiqures 6 et 7 montrent la détection circulaire offrant une protection maximale.The finish 1 the beam (11) detects a loading dock (6), or the like. The beam length A is adjustable or not so bare the angle α
Figures 6 and 7 show circular detection offering maximum protection.

flans le meilleur des cas, lorsque l'on pourra, on installera le dispositif (3) en (12) ou (15) plutot qu'en (1) là où il sera à l'abri des salissures et bien d'autres avantanes de lecture nar exemple. In the best of cases, when we can, we will install the device (3) in (12) or (15) rather than (1) where it will be protected from dirt and many other advantages reading nar example.

Le systeme de lecture (3) comporte un moto réducteur fonctionnant pneumatlouement ou électriquement d'un mouvement alternatif, formant un secteur B plus ou moins grand. Ce secteur B pourra mérne dans certains cas faire 360 (14) figure 6 et 7 et le mouvement sera transformé en mouvement rotatif continu. On noirra par exemple employer un moteur d'essuiealace (7) dont le mouvement alternatif est donné à la sortie directement sur l'arbre ; l'embiellage donnant le mouvement alternatif étant incor- poré à l'intérieur de la carcasse.Un support (8! fixé sur l'axe (13) supportera le lecteur (9) qui sera ne cellule ohoto électriaue, ou détecteur ultrason, ou infraroune oii autre dont le pi les faisceaux eu rayons (11) détecteront l'objet entrant dans la zone interdite. The reading system (3) comprises a reduction motor working pneumatically or electrically with an alternating movement, forming a sector B of greater or lesser size. This sector B may in some cases be 360 (14) in figures 6 and 7 and the movement will be transformed into a continuous rotary movement. For example, use a black wiper motor (7) whose reciprocating motion is given at the outlet directly on the shaft; the crankshaft giving the reciprocating movement being incorporated inside the carcass. A support (8! fixed on the axis (13) will support the reader (9) which will not be an electric photocell, or ultrasonic detector, or infrared or other whose pi beams rays (11) will detect the object entering the prohibited area.

Le dispositif (3) est relié suivant l'invention à un svstème de mise en fonctionnement soit mont directement sur la boite de vitesses et lorsque l'on embraye la marche arrière on met le lecteur en marche, ou par simple contacteur manuel avec voyant éventuellement. Un svstème sonore et lumineux peut être branché sur le dispositif (3) avertissant le conducteur de l'intrusion dans la zone interdite d'un objet quelconque. According to the invention, the device (3) is connected to an operating system, either mounted directly on the gearbox and when the reverse gear is engaged, the reader is started, or by simple manual contactor possibly with indicator light. . A sound and light system can be connected to the device (3) warning the driver of intrusion into the prohibited area of any object.

Il existe actuellement sur le marche des émetteurs récepteurs réglables ou non sur une certaine distance. Ces aDpareils sont soit des cellules photo-électrique ou à ultrason ou infrarouge. Ces appareils conviendraient à cette invention ainsi que les moto réducteurs servant à manoeuvrer les essuie-alaces des voitures. There are currently transceivers on the market that can be adjusted or not over a certain distance. These devices are either photocells or ultrasonic or infrared cells. These devices would be suitable for this invention as well as the motor reducers used to operate the wipers of cars.

Le mode de réalisation qui vient d'être décrit n'est donné qu'à titre indicatif et d'atitres mises en oeuvre de la présente invention à la portée de l'homme de l'Art pourraient étre adaptées sans pour autant sortir du cadre de celle-ci.  The embodiment which has just been described is given for information only and the headings implemented by the present invention within the reach of ordinary skill in the art could be adapted without departing from the scope. of it.

Nous donnerons quelques exemples non dessinés, dont y adjoindre
n système de brosses permettant l'autonettoyage du système, ou l'arrêt automatique toujours au méme endroit dans une boite protectrice etc... etc...We will give some non-drawn examples, including adding to it
n brush system allowing self-cleaning of the system, or automatic shutdown always in the same place in a protective box etc ... etc ...

Le dispositif suivant l'invention est destiné à tous les vehicules du qrand public et tout spécialement aux véhicules industriels tel aue camions, autocars etc...  The device according to the invention is intended for all vehicles of the general public and especially for industrial vehicles such as trucks, coaches, etc.

Claims (9)

REVENDICATIONS 1) Système détecteur d'obstacles à l'arrière de véhicules caractérisé par le fait qu'il comporte un moto réducteur (7), fixe sur la partie aveugle en (1), (12) ou (l15) et incliné suivant le cas d'un anole et permet de crêper un champplat ou conique d'angle variable α, et monté sur l'axe (13) de celui-ci un support (8) ou se trouve fixé le lecteur (9), le tout faisant un ensemble (3) de petite dimension qui sera adapté facilement sur tout véhicule et pourvu d'un système sonore ou lumineux avertissant le conducteur qu'un objet est entré dans la zone dangereuse. 1) Obstacle detection system at the rear of vehicles, characterized in that it comprises a reduction motor (7), fixed on the blind part in (1), (12) or (l15) and inclined as appropriate anole and allows to crepe a champplat or conical variable angle α, and mounted on the axis (13) thereof a support (8) or is attached the reader (9), all doing a small assembly (3) which will be easily adapted to any vehicle and provided with a sound or light system warning the driver that an object has entered the danger zone. 2) Systeme détecteur d'obstacles à l'arrière de véhicules selon la revendication 1 caractérisé par le fait que le lecteur (9) qui se déplace balaye en 2) obstacle detection system at the rear of vehicles according to claim 1 characterized in that the reader (9) which moves scans in Permanence en un mouvement alternatif ou continu unsecteur d'angle B et est variable de 45 à 3600. Permanently in a reciprocating or continuous movement in an angle sector B and is variable from 45 to 3600. 3) Système détecteur d'obstacles à l'arrière de véhicules selon la revendi cation 1 caractérisé par le fait que l'angle α est modifiable en agissant sur le lecteur (9) afin de détecter plus ou moins loin ou plus ou moins haut l'objet intrus crevant l'écran Dlat (4). 3) Obstacle detection system at the rear of vehicles according to claim 1 characterized in that the angle α is modifiable by acting on the reader (9) in order to detect more or less far or more or less high the intruding object bursting the Dlat screen (4). 4) Système détecteur d'obstacles à l'arrière de véhicules selon la revendication 1 caractérisé par le fait que l'ensemble (3) est monte au centre du véhicule (15) ce qui permet de créer par rotation continue ou alternative de 3600 un cone de détection (14) protégeant totalement la partie aveugle. 4) obstacle detection system at the rear of vehicles according to claim 1 characterized in that the assembly (3) is mounted in the center of the vehicle (15) which allows to create by continuous or alternating rotation of 3600 a detection cone (14) totally protecting the blind part. 5) Systeme détecteur d'obstacles à l'arrière de véhicules selon la revendication 1 caractérisé par le fait que tout objet entrant dans l'écran protecteur est détecté et le conducteur en est averti oar un systeeme sonore et/ou 5) obstacle detection system at the rear of vehicles according to claim 1 characterized in that any object entering the protective screen is detected and the driver is warned by a sound system and / or lumineux luminous 6) Systeme détecteur d'obstacles à l'arrière de véhicules selon la revendication 1 caractérisé par le fait que le moto réducteur est actionné soit électriquement soit pneumatiquement. 6) obstacle detection system at the rear of vehicles according to claim 1 characterized in that the gear motor is actuated either electrically or pneumatically. 7) Système détecteur d'obstacles à l'arrière de véhicules selon la revendication 2 caractérisé par le fait que le détecteur est un emetteur récepteur, portant à une faible distance (A) invariable de un ou de queloues metres seu- lement, étant soit une cellule photo-électrique ouà ultrason ou infrarouge. 7) Obstacle detection system at the rear of vehicles according to claim 2 characterized in that the detector is a transceiver, bearing at a small invariable distance (A) of only one or a few meters, being either a photocell or ultrasonic or infrared cell. 8) Système détecteur d'obstacles à l'arrière de véhicules selon la revendication 1 caractérisé par le fait le système (3) est équipé d'un svstème de boite de protection de la "cellule", équipé de brosse autonettoyante qui essuie la tête émettr'ce et réceptrice de l'appareil chaque fois que celle-ci y entre. 8) obstacle detection system at the rear of vehicles according to claim 1 characterized in that the system (3) is equipped with a protective box system of the "cell", equipped with self-cleaning brush which wipes the head send and receive the device each time it enters it. 9) Système detecteur d'obstacles à l'arrière de véhicules selon la revendication 8 caractérisé par le fait que la "cellule" entrant dans sa boite ne lit Das celle-ci, un système de contacteur avant l'entrée lui interdit cette lecture.  9) Obstacle detection system at the rear of vehicles according to claim 8 characterized in that the "cell" entering its box does not read Das this one, a contactor system before entry prohibits this reading.
FR8616131A 1986-11-18 1986-11-18 System for detecting obstacles to the rear of vehicles Pending FR2606717A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8616131A FR2606717A1 (en) 1986-11-18 1986-11-18 System for detecting obstacles to the rear of vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8616131A FR2606717A1 (en) 1986-11-18 1986-11-18 System for detecting obstacles to the rear of vehicles

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FR2606717A1 true FR2606717A1 (en) 1988-05-20

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FR8616131A Pending FR2606717A1 (en) 1986-11-18 1986-11-18 System for detecting obstacles to the rear of vehicles

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355490A2 (en) * 1988-08-16 1990-02-28 Robert Bosch Gmbh Collision-warning device for motor vehicles
FR2781439A1 (en) 1998-07-22 2000-01-28 Paul Poutchits Warning device for vehicle use incorporates a light array to provide, in pulsed and color-variation forms, alerting and warning display to driver of following vehicle when separation is reduced to unsafe distance
US9129528B2 (en) 2013-02-04 2015-09-08 Ford Global Technologies Trailer active back-up assist with lane width HMI
US9164955B2 (en) 2013-02-04 2015-10-20 Ford Global Technologies Trailer active back-up assist with object avoidance
US9233710B2 (en) 2014-03-06 2016-01-12 Ford Global Technologies, Llc Trailer backup assist system using gesture commands and method
US9248858B2 (en) 2011-04-19 2016-02-02 Ford Global Technologies Trailer backup assist system
US9290204B2 (en) 2011-04-19 2016-03-22 Ford Global Technologies, Llc Hitch angle monitoring system and method
US9352777B2 (en) 2013-10-31 2016-05-31 Ford Global Technologies, Llc Methods and systems for configuring of a trailer maneuvering system
US9374562B2 (en) 2011-04-19 2016-06-21 Ford Global Technologies, Llc System and method for calculating a horizontal camera to target distance
US9500497B2 (en) 2011-04-19 2016-11-22 Ford Global Technologies, Llc System and method of inputting an intended backing path
US9506774B2 (en) 2011-04-19 2016-11-29 Ford Global Technologies, Llc Method of inputting a path for a vehicle and trailer
US9511799B2 (en) 2013-02-04 2016-12-06 Ford Global Technologies, Llc Object avoidance for a trailer backup assist system
US9522677B2 (en) 2014-12-05 2016-12-20 Ford Global Technologies, Llc Mitigation of input device failure and mode management
US9533683B2 (en) 2014-12-05 2017-01-03 Ford Global Technologies, Llc Sensor failure mitigation system and mode management
US9555832B2 (en) 2011-04-19 2017-01-31 Ford Global Technologies, Llc Display system utilizing vehicle and trailer dynamics
US9566911B2 (en) 2007-03-21 2017-02-14 Ford Global Technologies, Llc Vehicle trailer angle detection system and method
US9592851B2 (en) 2013-02-04 2017-03-14 Ford Global Technologies, Llc Control modes for a trailer backup assist system
US9854209B2 (en) 2011-04-19 2017-12-26 Ford Global Technologies, Llc Display system utilizing vehicle and trailer dynamics
US9896130B2 (en) 2015-09-11 2018-02-20 Ford Global Technologies, Llc Guidance system for a vehicle reversing a trailer along an intended backing path
US9926008B2 (en) 2011-04-19 2018-03-27 Ford Global Technologies, Llc Trailer backup assist system with waypoint selection
US9969428B2 (en) 2011-04-19 2018-05-15 Ford Global Technologies, Llc Trailer backup assist system with waypoint selection
US10112646B2 (en) 2016-05-05 2018-10-30 Ford Global Technologies, Llc Turn recovery human machine interface for trailer backup assist

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US3491334A (en) * 1969-03-28 1970-01-20 Emery T Martin Photosensitive automotive alarm device
US3749197A (en) * 1971-05-12 1973-07-31 B Deutsch Obstacle detection system
GB2040092A (en) * 1978-11-20 1980-08-20 Reino Int Corp Automatic alarm system for car backing
US4404541A (en) * 1980-07-03 1983-09-13 Nippon Soken, Inc. Rear obstacle detecting system for automotive vehicles
GB2139445A (en) * 1983-05-06 1984-11-07 Nissan Motor Vehicle lidar

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
US3491334A (en) * 1969-03-28 1970-01-20 Emery T Martin Photosensitive automotive alarm device
US3749197A (en) * 1971-05-12 1973-07-31 B Deutsch Obstacle detection system
GB2040092A (en) * 1978-11-20 1980-08-20 Reino Int Corp Automatic alarm system for car backing
US4404541A (en) * 1980-07-03 1983-09-13 Nippon Soken, Inc. Rear obstacle detecting system for automotive vehicles
GB2139445A (en) * 1983-05-06 1984-11-07 Nissan Motor Vehicle lidar

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355490A3 (en) * 1988-08-16 1990-07-04 Robert Bosch Gmbh Collision-warning device for motor vehicles
EP0355490A2 (en) * 1988-08-16 1990-02-28 Robert Bosch Gmbh Collision-warning device for motor vehicles
FR2781439A1 (en) 1998-07-22 2000-01-28 Paul Poutchits Warning device for vehicle use incorporates a light array to provide, in pulsed and color-variation forms, alerting and warning display to driver of following vehicle when separation is reduced to unsafe distance
US9566911B2 (en) 2007-03-21 2017-02-14 Ford Global Technologies, Llc Vehicle trailer angle detection system and method
US9971943B2 (en) 2007-03-21 2018-05-15 Ford Global Technologies, Llc Vehicle trailer angle detection system and method
US9854209B2 (en) 2011-04-19 2017-12-26 Ford Global Technologies, Llc Display system utilizing vehicle and trailer dynamics
US9555832B2 (en) 2011-04-19 2017-01-31 Ford Global Technologies, Llc Display system utilizing vehicle and trailer dynamics
US9290204B2 (en) 2011-04-19 2016-03-22 Ford Global Technologies, Llc Hitch angle monitoring system and method
US10609340B2 (en) 2011-04-19 2020-03-31 Ford Global Technologies, Llc Display system utilizing vehicle and trailer dynamics
US9374562B2 (en) 2011-04-19 2016-06-21 Ford Global Technologies, Llc System and method for calculating a horizontal camera to target distance
US9500497B2 (en) 2011-04-19 2016-11-22 Ford Global Technologies, Llc System and method of inputting an intended backing path
US9506774B2 (en) 2011-04-19 2016-11-29 Ford Global Technologies, Llc Method of inputting a path for a vehicle and trailer
US9969428B2 (en) 2011-04-19 2018-05-15 Ford Global Technologies, Llc Trailer backup assist system with waypoint selection
US9926008B2 (en) 2011-04-19 2018-03-27 Ford Global Technologies, Llc Trailer backup assist system with waypoint selection
US9248858B2 (en) 2011-04-19 2016-02-02 Ford Global Technologies Trailer backup assist system
US9164955B2 (en) 2013-02-04 2015-10-20 Ford Global Technologies Trailer active back-up assist with object avoidance
US9592851B2 (en) 2013-02-04 2017-03-14 Ford Global Technologies, Llc Control modes for a trailer backup assist system
US9511799B2 (en) 2013-02-04 2016-12-06 Ford Global Technologies, Llc Object avoidance for a trailer backup assist system
US9129528B2 (en) 2013-02-04 2015-09-08 Ford Global Technologies Trailer active back-up assist with lane width HMI
US9352777B2 (en) 2013-10-31 2016-05-31 Ford Global Technologies, Llc Methods and systems for configuring of a trailer maneuvering system
US9233710B2 (en) 2014-03-06 2016-01-12 Ford Global Technologies, Llc Trailer backup assist system using gesture commands and method
US9533683B2 (en) 2014-12-05 2017-01-03 Ford Global Technologies, Llc Sensor failure mitigation system and mode management
US9522677B2 (en) 2014-12-05 2016-12-20 Ford Global Technologies, Llc Mitigation of input device failure and mode management
US9896130B2 (en) 2015-09-11 2018-02-20 Ford Global Technologies, Llc Guidance system for a vehicle reversing a trailer along an intended backing path
US10112646B2 (en) 2016-05-05 2018-10-30 Ford Global Technologies, Llc Turn recovery human machine interface for trailer backup assist

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