WO2001000446A1 - Power unit for managing a vehicle flashers - Google Patents
Power unit for managing a vehicle flashers Download PDFInfo
- Publication number
- WO2001000446A1 WO2001000446A1 PCT/FR2000/001771 FR0001771W WO0100446A1 WO 2001000446 A1 WO2001000446 A1 WO 2001000446A1 FR 0001771 W FR0001771 W FR 0001771W WO 0100446 A1 WO0100446 A1 WO 0100446A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- microprocessor
- lights
- triggering
- vehicle
- flashing lights
- 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
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Classifications
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- 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
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/445—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal controlled by inertial devices
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- 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
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
- B60Q1/38—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction using immovably-mounted light sources, e.g. fixed flashing lamps
Definitions
- the present invention relates to a central unit for managing the flashing lights of a vehicle, for signaling changes of direction by implementing right or left flashing lights, and also for signaling a danger by implementing right and left flashing lights
- the indications of change of direction of a vehicle are managed by a flashing central unit connected to the + 12 volts of the battery after starter contact.
- This flashing unit notably includes an oscillator device and a power output enabling an oscillating signal to be sent to the lighting lamps to obtain the desired flashing.
- the lighting control is carried out using a lever or a three-position switch opening or closing the electrical circuits between the battery and the lighting lamps.
- the corresponding electrical circuits also include a switch for simultaneously triggering the right and left flashing lights, this so-called "distress" signal used to warn people in the vicinity of a danger.
- some vehicles also incorporate an independent emergency braking warning device which, based on information provided by an inertia sensor, is suitable for activating the vehicle's hazard lights from a defined braking threshold.
- Document DE-U-2 961 75 27 also discloses a system for managing the vehicle's flashing lights from the direction change indicator which includes the possibility of triggering the hazard lights in the event of emergency braking. or collision.
- the directional lights of the vehicle are controlled by the direction change lever and by the switch for triggering the hazard lights via an electronic device.
- This electronic device is connected to the ABS system or to the AIRBAG system which equips the vehicle so as to automatically activate the hazard warning lights when the said ABS or AIRBAG system is activated.
- the present invention proposes a new central control unit for the flashing lights of a vehicle integrating both the management of direction change indications and that of the use of the hazard warning lights when a defined braking threshold has been exceeded, said power station being completely autonomous and capable of being mounted very simply on any type of vehicle.
- the central management unit in accordance with the present invention consists of a printed circuit on which are installed: - a voltage regulator / stabilizer assembly connected to the vehicle battery,
- the microprocessor is connected to the lever for indicating the change of direction of the vehicle, and to the switch for triggering the hazard warning lights, to enable the position of said lever and said switch to be detected so as to position information received, to ensure the activation of either the right flashing lights or the left turn signals, that is, right and left turn signals simultaneously; this microprocessor also manages the information received from the inertia sensor to trigger the right and left flashing lights simultaneously, from a defined braking threshold, the latter triggering having priority over the direction of change indications.
- This digital control unit autonomous and interactive, allows complete management of the triggering of the vehicle's flashing lights; it can be installed in the equipped vehicle without requiring major adaptations to the usual control elements.
- this central management unit comprises - a connection between a pin of the microprocessor and the contact point of the direction change indication lever corresponding to the actuation of the right flashing lights, and - a connection between another microprocessor pin and the point of contact of the direction change indication lever corresponding to the actuation of the left direction indicators, the common point of the direction change indication lever being connected to the permanent + 12 volts of the vehicle battery.
- a third contact point of the direction change indication lever is connected with the other two contact points by means of the hazard warning switch.
- means can be fitted on the printed circuit to ensure the triggering of an audible signal by the microprocessor, simultaneously with the triggering of the hazard warning lights following the detection of an overrun of the braking threshold defined.
- Other means, also fitted on the printed circuit can ensure the detection of the starting of the wipers of the vehicle, these particular means being connected to the microprocessor so, in the case where the wipers operate, to allow the latter activating the vehicle's hazard warning lights from a lowered braking threshold.
- the present invention also relates to a method for managing the triggering of the flashing lights of a vehicle by the control unit described above. This management process consists of:
- the method for activating the hazard warning lights of the vehicle from a defined braking threshold consists of:
- the method according to the present invention also consists in performing a calibration of the inertia sensor before installing the equipment in the vehicle. This calibration is carried out by recording the digital value of the sensor when its active line is in a horizontal position, at zero speed, corresponding to zero acceleration (0 g), and by recording the digital value of this sensor when its active line is in position.
- the invention also relates to the equipment allowing the programming and the calibration of the central management unit, before its installation in the vehicle.
- This equipment is characterized by the fact that it comprises a base for receiving and blocking in position at least one printed circuit on which the management center is located, said base comprising a set of studs arranged to come into contact with certain parts or elements of the printed circuit for programming the microprocessor by appropriate computer means, and said base being articulated on a base so as to allow horizontal positioning of the active line of the sensor, and so as to allow vertical positioning of this active line, with the aim of programming the microprocessor with the calibration of the sensor.
- FIG. 1 is a block diagram of the elements functional of the central control of the flashing lights according to the present invention
- FIG. 2 is a detailed electronic diagram of a possible embodiment of this plant
- FIGS. 3 and 4 are functional diagrams of the equipment for programming and calibrating the plant, illustrating the two positions that can occupy this equipment for recording the digital values of the sensor at 0 g and 1 g;
- FIG. 5 illustrates the principle of analysis by the microprocessor of the digital values delivered by the inertia sensor
- - Figure 6 is a partial view illustrating the principle of integration of an audible alarm on the printed circuit of a central unit according to the present invention
- FIG. 7 is a partial view illustrating the principle of integration of a detector for switching on the windscreen wipers of the vehicle on the printed circuit of a central unit according to the present invention.
- the central control unit illustrated in FIG. 1 is in the form of a printed circuit 1 supplied by the vehicle's 12 volt battery 2 and comprising an electronic voltage regulator / stabilizer assembly 3 which supplies energy to a digital inertia sensor 4, of the two-way type, and a microprocessor 5.
- the inertia sensor 5 can be a model of the ADXL 202 type of the
- ANALOG DEVICE PARIS - FRANCE
- This kind of sensor has the possibility of providing information on the acceleration or deceleration values which it undergoes on two perpendicular axes. For the present application, only one of these two axes is used, this axis being called “active line” in the remainder of this description.
- the information provided by the inertia sensor 4 are digital values, delivered every 56 milliseconds for the model concerned. These numerical values are generally different from one sensor to another for the same acceleration or deceleration value; this precision tolerance will be resolved by a calibration operation described below.
- the microprocessor 5 used can be a TYNI 12 model with EDPROM from the company ATMEL (PARIS, FRANCE).
- the common point 6 of the direction change indication lever 7 is connected to the permanent + 12 volts of the vehicle battery.
- One of the pins of the microprocessor 5 is connected to the contact point 10 of the lever 7 corresponding to the setting action of the right-hand indicators of the vehicle, via the link 11; and another pin of the microprocessor is connected to the contact point 12 of the lever 7 corresponding to the actuation of the left flashing lights, by the connection 14.
- the third contact point 15 of the lever 7, corresponding to the rest position is connected with the two contact points 10 and 12 by means of a switch 16 corresponding to the manual switch for triggering the hazard warning lights, positioned at the level of the vehicle dashboard.
- the microprocessor manages the triggering of the right 18 and left 19 flashing lights by means of power controls, respectively 20 and 21 consisting of relays or transistors supplied by the battery 2.
- the microprocessor 5 sends an oscillating signal to the power controls 20 and / or 21 to obtain the flashing of the lights 18 and / or 19.
- the microprocessor 5 also manages the information delivered by the inertia sensor 4 so as to ensure the triggering of the hazard warning lights when a predefined braking threshold has been exceeded. This triggering is carried out by sending the microprocessor 5 an oscillating signal to the two power controls 20 and 21 to obtain the simultaneous flashing of the lights 18 and 19. This safety information is managed as a priority by the microprocessor, relative to the indications of change of direction, so that the hazard warning lights will be activated following an emergency braking even if the right or left flashing lights operate due to a change of direction implemented by lever 7.
- the different functional parts of the printed circuit described above are consisting of a combination of conventional electronic components (resistors, diodes, capacitors ...), logically installed by the designer to obtain the functions described.
- the printed circuit 1 includes electrical connection outputs which allow the connection:
- FIG. 2 it can be seen that electronic means, respectively 23 and 24 are provided at the entry of the microprocessor 5 pins which are connected to the contact points 10 and 12 of the direction change indication lever, to attenuate the input voltage to said microprocessor 5.
- the printed circuit is advantageously protected by a housing-shaped cover.
- the printed circuit 1 is mounted on the equipped vehicle so that the active line of the sensor 4 is disposed horizontally or substantially horizontally (the vehicle itself resting on horizontal ground), and oriented on the axis of advancement of the vehicle.
- This printed circuit 1 is advantageously integrated in the dashboard of the vehicle.
- the microprocessor 5 is programmed to enable it to manage the information coming from the lever 7 and the switch 16, as well as the information delivered by the two-way digital inertia sensor 4. During this programming, we perform a original calibration operation of the inertia sensor 4 to avoid tolerance problems with regard to the precision of the digital values that it delivers.
- This particular equipment includes a base 26 provided with means 27 which allow the positioning of the printed circuit 1 on pads 28 of programming and test connected to computer means 29.
- the programming and test pads 28, of the spring contact type are arranged according to the location of the electronic elements on the printed circuit and in particular according to the location microprocessor 5.
- the base 26 is further articulated at 30 on a main base 31 so as to allow its pivoting of 90 ° between two positioning stops 32 and 33. This pivoting of 90 ° is adapted, depending on the implantation of the sensor 4 on the printed circuit, to allow to place the active line of this sensor either horizontally (figure 2), or vertically (figure 3).
- the programming of the microprocessor 5 is carried out so as to enable it to record the successive values Vn delivered by the inertia sensor 4. Simultaneously with this recording, the microprocessor calculates the difference between each value Vn and the value Vn-x which has was delivered by the sensor a period of time ⁇ previously, this period of time x. predetermined can be of the order of a few tenths of seconds or a few seconds ( Figure 5).
- This difference Vn - Vn-x is compared with a threshold value ⁇ , defined in advance, corresponding to a braking threshold value, and the simultaneous triggering of the right 18 and left flashing lights 19 is controlled in the case where the difference Vn - Vn-x is greater than this threshold value ⁇ .
- this threshold value ⁇ may correspond to a deceleration of the order of 0.5 to 1 g.
- the hazard warning lights are kept activated for a predetermined period of time from their activation, for example of the order of a few seconds.
- the dashboard warning lights that signal the flashing lights are also activated during this same period.
- This information management method makes it possible to obtain an automatic and permanent recalibration of the emergency brake warning means so as, in particular, not to need to position the sensor 4 perfectly horizontally on the vehicle, and so as not to take into account for the automatic triggering of the hazard warning lights, unevenness or irregularities in the route.
- the programming of the microprocessor 5 by the computer means 29 also includes a calibration operation of the sensor 4, carried out by using the possibilities of pivoting at 90 ° from the base 26.
- the horizontal positioning of the active line of sensor 4 (figure 3) allows the digital value delivered by this sensor to be recorded at 0 g (zero acceleration) and its vertical positioning (figure 4) allows the recording of the digital value that it delivers for an acceleration of 1 g.
- These two recordings make it possible to obtain the full scale digital value of the sensor in question, between 0 g and 1 g, and thus to deduce therefrom the digital value corresponding to the scale unit.
- This value of scale unit is integrated into the programming of the microprocessor so as to ensure a reliable and precise triggering of the hazard warning lights always for the same deceleration value, this despite the existence of differences from one sensor to the another with regard to the accuracy of the numerical values delivered.
- the emergency brake warning means can be tested by rapidly tilting the base 26 from the horizontal position to the vertical position.
- Indicator lights 34 located on the base 26 then simulate the lighting of the flashing lights.
- This particular material can be adapted to receive several printed circuits 1.
- the flashing unit according to the invention can incorporate an audible alarm intended to be actuated simultaneously with the triggering of the hazard lights due to emergency braking.
- FIG. 6 shows the corresponding electronic means 35 connected directly to one of the free pins of the microprocessor, for their control.
- the programming of the microprocessor is adapted accordingly, preferably to trigger the audible alarm for the same time as the hazard warning lights. As illustrated in FIG.
- the printed circuit of the central unit can also integrate electronic means 36 connected to the wiper motor 37 of the vehicle (with regard to an installation of the central unit on a motor vehicle or on a heavy vehicle), which make it possible to detect the activation of the wipers (that is to say indirectly the presence of rain) and to send the corresponding information to the microprocessor.
- This microprocessor programmed accordingly, thus has the possibility of triggering the hazard warning lights from a reduced braking threshold, in the event of rain, the corresponding decrease in the threshold value ⁇ possibly being of the order of 5%. . If only one of these last two functions is applied, it can be implemented on the free pin of the microprocessor 5 illustrated in FIGS. 1 and 2. In the case where it is desired to have these two functions present, a microprocessor 5 ′ will be used. with additional inputs / outputs.
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Abstract
Description
CENTRALE DE GESTION DES FEUX CLIGNOTANTS D'UN VEHICULEVEHICLE FLASHING LIGHT MANAGEMENT CENTER
La présente invention concerne une centrale permettant la gestion des feux clignotants d'un véhicule, pour signaler les changements de direction par mise en œuvre des feux clignotants droits ou gauches, et également pour signaler un danger par mise en œuvre des feux clignotants droits et gauchesThe present invention relates to a central unit for managing the flashing lights of a vehicle, for signaling changes of direction by implementing right or left flashing lights, and also for signaling a danger by implementing right and left flashing lights
(mise en œuvre des feux de détresse).(implementation of hazard warning lights).
De manière classique, les indications de changement de direction d'un véhicule (automobile, poids lourd, moto) sont gérées par une centrale clignotante reliée au + 12 volts de la batterie après contact démarreur. Cette centrale clignotante comprend notamment un dispositif oscillateur et une sortie de puissance permettant d'envoyer un signal oscillant aux lampes d'éclairage pour obtenir le clignotement désiré. La commande d'allumage des feux est réalisée à partir d'un levier ou d'un interrupteur à trois positions ouvrant ou fermant les circuits électriques entre la batterie et les lampes d'éclairage. Les circuits électriques correspondants intègrent également un interrupteur de déclenchement simultané des feux clignotant droits et gauches, ce signal dit « de détresse » permettant d'avertir les personnes environnantes d'un danger. A côté de cette centrale clignotante, certains véhicules intègrent également un dispositif indépendant avertisseur de freinage d'urgence qui, à partir des informations fournies par un capteur d'inertie, est adapté pour mettre en action les feux de détresse du véhicule à partir d'un seuil de freinage défini.Conventionally, the indications of change of direction of a vehicle (automobile, truck, motorcycle) are managed by a flashing central unit connected to the + 12 volts of the battery after starter contact. This flashing unit notably includes an oscillator device and a power output enabling an oscillating signal to be sent to the lighting lamps to obtain the desired flashing. The lighting control is carried out using a lever or a three-position switch opening or closing the electrical circuits between the battery and the lighting lamps. The corresponding electrical circuits also include a switch for simultaneously triggering the right and left flashing lights, this so-called "distress" signal used to warn people in the vicinity of a danger. Besides this flashing central unit, some vehicles also incorporate an independent emergency braking warning device which, based on information provided by an inertia sensor, is suitable for activating the vehicle's hazard lights from a defined braking threshold.
On connaît aussi par le document DE-U-2 961 75 27 un système de gestion des feux clignotants du véhicule à partir de l'indicateur de changement de direction qui intègre une possibilité de déclenchement des feux de détresse en cas de freinage d'urgence ou de collision.Document DE-U-2 961 75 27 also discloses a system for managing the vehicle's flashing lights from the direction change indicator which includes the possibility of triggering the hazard lights in the event of emergency braking. or collision.
Dans l'installation correspondante, les feux directionnels du véhicule sont commandés par le levier de changement de direction et par l'interrupteur de déclenchement des feux de détresse via un dispositif électronique. Ce dispositif électronique est connecté au système ABS ou au système AIRBAG qui équipe le véhicule de manière à mettre en œuvre automatiquement les feux de détresse lorsque ledit système ABS ou AIRBAG est actionné.In the corresponding installation, the directional lights of the vehicle are controlled by the direction change lever and by the switch for triggering the hazard lights via an electronic device. This electronic device is connected to the ABS system or to the AIRBAG system which equips the vehicle so as to automatically activate the hazard warning lights when the said ABS or AIRBAG system is activated.
Ce principe de gestion des feux clignotants est relativement compliqué à installer. Les réglages du seuil de déclenchement des feux de détresse en cas de freinage d'urgence ne peuvent pas être simples à réaliser du fait de la dépendance au système ABS ou AIRBAG, et le fonctionnement du système de déclenchement des feux de détresse peut être altéré par la présence de l'équipement principal jumelé.This principle of managing the flashing lights is relatively complicated to install. Adjustments to the hazard warning flashers threshold in the event of emergency braking cannot be simple to perform due to dependence on the ABS or AIRBAG system, and the operation of the hazard warning lights trigger system may be impaired by the presence of the main paired equipment.
D'autre part, ce principe de gestion nécessite la présence d'un équipement de sécurité du type ABS ou AIRBAG, ce qui limite grandement ses possibilités d'application.On the other hand, this management principle requires the presence of safety equipment of the ABS or AIRBAG type, which greatly limits its possibilities of application.
La présente invention propose une nouvelle centrale de gestion des feux clignotants d'un véhicule intégrant à la fois la gestion des indications de changement de direction et celle de la mise en œuvre des feux de détresse lorsqu'un seuil de freinage défini a été dépassé, ladite centrale étant totalement autonome et susceptible d'être montée de manière très simple sur tout type de véhicule.The present invention proposes a new central control unit for the flashing lights of a vehicle integrating both the management of direction change indications and that of the use of the hazard warning lights when a defined braking threshold has been exceeded, said power station being completely autonomous and capable of being mounted very simply on any type of vehicle.
La centrale de gestion conforme à la présente invention est constituée d'un circuit imprimé sur lequel sont implantés : - un ensemble régulateur/stabilisateur de tension relié à la batterie du véhicule,The central management unit in accordance with the present invention consists of a printed circuit on which are installed: - a voltage regulator / stabilizer assembly connected to the vehicle battery,
- un capteur d'inertie numérique à double sens,- a two-way digital inertia sensor,
- un microprocesseur,- a microprocessor,
- une commande de puissance permettant le déclenchement des feux clignotants droits, et - une commande de puissance permettant le déclenchement des feux clignotants gauches.- a power control allowing the triggering of the right flashing lights, and - a power control allowing the triggering of the left flashing lights.
Dans cette centrale, le microprocesseur est relié au levier d'indication de changement de direction du véhicule, et à l'interrupteur de déclenchement des feux de détresse, pour permettre la détection de la position dudit levier et dudit interrupteur de manière, en fonction des informations de position reçues, à assurer le déclenchement soit des feux clignotants droits, soit des feux clignotants gauches, soit des feux clignotants droits et gauches simultanément ; ce microprocesseur gère également les informations reçues du capteur d'inertie pour déclencher les feux clignotants droits et gauches simultanément, à partir d'un seuil de freinage défini, ce dernier déclenchement étant prioritaire par rapport aux indications de changement de direction.In this central unit, the microprocessor is connected to the lever for indicating the change of direction of the vehicle, and to the switch for triggering the hazard warning lights, to enable the position of said lever and said switch to be detected so as to position information received, to ensure the activation of either the right flashing lights or the left turn signals, that is, right and left turn signals simultaneously; this microprocessor also manages the information received from the inertia sensor to trigger the right and left flashing lights simultaneously, from a defined braking threshold, the latter triggering having priority over the direction of change indications.
Cette centrale numérique, autonome et interactive, permet la gestion intégrale du déclenchement des feux clignotants du véhicule ; elle peut être implantée dans le véhicule équipé sans nécessiter de grandes adaptations sur les organes de commande habituels. Selon un mode de réalisation préféré, cette centrale de gestion comprend - une liaison entre une broche du microprocesseur et le point de contact du levier d'indication de changement de direction correspondant à la mise en action des feux clignotants droits, et - une liaison entre une autre broche du microprocesseur et le point de contact du levier d'indication de changement de direction correspondant à la mise en action des feux clignotants gauches, le point commun du levier d'indication de changement de direction étant connecté au + 12 volts permanent de la batterie du véhicule.This digital control unit, autonomous and interactive, allows complete management of the triggering of the vehicle's flashing lights; it can be installed in the equipped vehicle without requiring major adaptations to the usual control elements. According to a preferred embodiment, this central management unit comprises - a connection between a pin of the microprocessor and the contact point of the direction change indication lever corresponding to the actuation of the right flashing lights, and - a connection between another microprocessor pin and the point of contact of the direction change indication lever corresponding to the actuation of the left direction indicators, the common point of the direction change indication lever being connected to the permanent + 12 volts of the vehicle battery.
Selon une forme de réalisation avantageuse, un troisième point de contact du levier d'indication de changement de direction est relié avec les deux autres points de contact par l'intermédiaire de l'interrupteur de déclenchement des feux de détresse.According to an advantageous embodiment, a third contact point of the direction change indication lever is connected with the other two contact points by means of the hazard warning switch.
En fonction des besoins et des possibilités techniques, des moyens peuvent être aménagés sur le circuit imprimé pour assurer le déclenchement d'un signal sonore par le microprocesseur, simultanément au déclenchement des feux de détresse suite à la détection d'un dépassement du seuil de freinage défini. D'autres moyens, également aménagés sur le circuit imprimé peuvent assurer la détection de la mise en marche des essuie-glaces du véhicule, ces moyens particuliers étant reliés au microprocesseur de manière, dans le cas où les essuie-glaces fonctionnent, à permettre à ce dernier de déclencher les feux de détresse du véhicule à partir d'un seuil de freinage diminué. La présente invention concerne encore un procédé de gestion du déclenchement des feux clignotants d'un véhicule par la centrale décrite ci- dessus. Ce procédé de gestion consiste :Depending on the technical needs and possibilities, means can be fitted on the printed circuit to ensure the triggering of an audible signal by the microprocessor, simultaneously with the triggering of the hazard warning lights following the detection of an overrun of the braking threshold defined. Other means, also fitted on the printed circuit can ensure the detection of the starting of the wipers of the vehicle, these particular means being connected to the microprocessor so, in the case where the wipers operate, to allow the latter activating the vehicle's hazard warning lights from a lowered braking threshold. The present invention also relates to a method for managing the triggering of the flashing lights of a vehicle by the control unit described above. This management process consists of:
- à détecter par le microprocesseur la position du levier d'indication de changement de direction et la position de l'interrupteur de déclenchement des feux de détresse,- to detect by the microprocessor the position of the direction change indication lever and the position of the switch for triggering the hazard warning lights,
- simultanément, à prendre en compte par le microprocesseur les valeurs numériques délivrées par le capteur d'inertie, et- simultaneously, to take into account by the microprocessor the digital values delivered by the inertia sensor, and
- à déclencher par le microprocesseur la mise en action des feux clignotants droits et/ou des feux clignotants gauches, en fonction de la position du levier d'indication de changement de direction et de l'interrupteur de déclenchement des feux de détresse, ou, de manière prioritaire, à déclencher par le microprocesseur la mise en action des feux de détresse lorsqu'un seuil de freinage défini a été dépassé, ces différents déclenchements étant réalisés en adressant par le microprocesseur un signal oscillant aux commandes de puissance pour obtenir le clignotement des feux.- triggering by the microprocessor the activation of the right flashing lights and / or the left flashing lights, depending on the position of the direction change indication lever and the hazard warning light switch, or, as a priority, to trigger by the microprocessor the activation of the hazard warning lights when a defined braking threshold has been exceeded, these different triggers being carried out by sending by the microprocessor an oscillating signal to the power controls to obtain the flashing of the lights.
Selon une autre particularité, le procédé pour mettre en action les feux de détresse du véhicule à partir d'un seuil de freinage défini consiste :According to another particular feature, the method for activating the hazard warning lights of the vehicle from a defined braking threshold consists of:
- à enregistrer par le microprocesseur les valeurs numériques successives Vn délivrées par le capteur d'inertie numérique à double sens,- to record by the microprocessor the successive digital values Vn delivered by the two-way digital inertia sensor,
- à calculer par le microprocesseur la différence entre chaque valeur Vn et la valeur Vn-x qui a été délivrée par le capteur d'inertie un laps de temps x auparavant,to calculate by the microprocessor the difference between each value Vn and the value Vn-x which was delivered by the inertia sensor a period of time x previously,
- à effectuer par le microprocesseur une comparaison entre la valeur Vn - Vn-x et une valeur seuil Δ définie à l'avance, correspondant à une valeur seuil de freinage, etto make a comparison by the microprocessor between the value Vn - Vn-x and a threshold value Δ defined in advance, corresponding to a braking threshold value, and
- à déclencher la commande simultanée des feux clignotants droits et gauches par le microprocesseur, dans le cas où la différence Vn - Vn-x est supérieure à ladite valeur seuil Δ. Le procédé conforme à la présente invention consiste encore à effectuer un calibrage du capteur d'inertie avant l'installation du matériel dans le véhicule. Ce calibrage est réalisé en enregistrant la valeur numérique du capteur lorsque sa ligne active est en position horizontale, à vitesse nulle, correspondant à une accélération nulle (0 g), et en enregistrant la valeur numérique de ce capteur lorsque sa ligne active est en position verticale, à vitesse nulle, correspondant à une valeur d'accélération de 1 g, ces deux enregistrements permettant d'obtenir la valeur numérique pleine échelle du capteur entre 0 g et 1 g, d'en déduire la valeur numérique correspondant à l'unité de l'échelle et d'intégrer cette valeur numérique dans la programmation du microprocesseur. L'invention concerne encore le matériel permettant la programmation et le calibrage de la centrale de gestion, avant son installation dans le véhicule. Ce matériel est caractérisé par le fait qu'il comprend une embase pour la réception et le blocage en position d'au moins un circuit imprimé sur lequel est implantée la centrale de gestion, ladite embase comprenant un ensemble de plots agencés pour venir en contact avec certaines parties ou éléments du circuit imprimé en vue d'assurer la programmation du microprocesseur par des moyens informatiques appropriés, et ladite embase étant articulée sur un socle de manière à permettre un positionnement horizontal de la ligne active du capteur, et de manière à permettre un positionnement vertical de cette ligne active, dans le but de réaliser la programmation du microprocesseur avec le calibrage du capteur.- to trigger the simultaneous control of the right and left flashing lights by the microprocessor, in the case where the difference Vn - Vn-x is greater than said threshold value Δ. The method according to the present invention also consists in performing a calibration of the inertia sensor before installing the equipment in the vehicle. This calibration is carried out by recording the digital value of the sensor when its active line is in a horizontal position, at zero speed, corresponding to zero acceleration (0 g), and by recording the digital value of this sensor when its active line is in position. vertical, at zero speed, corresponding to an acceleration value of 1 g, these two records making it possible to obtain the full scale digital value of the sensor between 0 g and 1 g, to deduce the numerical value corresponding to the unit of the scale and integrate this numerical value into the programming of the microprocessor. The invention also relates to the equipment allowing the programming and the calibration of the central management unit, before its installation in the vehicle. This equipment is characterized by the fact that it comprises a base for receiving and blocking in position at least one printed circuit on which the management center is located, said base comprising a set of studs arranged to come into contact with certain parts or elements of the printed circuit for programming the microprocessor by appropriate computer means, and said base being articulated on a base so as to allow horizontal positioning of the active line of the sensor, and so as to allow vertical positioning of this active line, with the aim of programming the microprocessor with the calibration of the sensor.
L'invention sera encore illustrée, sans être aucunement limitée, par la description suivante d'un mode de réalisation particulier, donné uniquement à titre d'exemple et représenté sur les dessins annexés dans lesquels : - la figure 1 est un schéma bloc des éléments fonctionnels de la centrale de gestion des feux clignotants conforme à la présente invention ;The invention will be further illustrated, without being in any way limited, by the following description of a particular embodiment, given solely by way of example and shown in the accompanying drawings in which: - Figure 1 is a block diagram of the elements functional of the central control of the flashing lights according to the present invention;
- la figure 2 est un schéma électronique détaillé d'une forme de réalisation possible de cette centrale ;- Figure 2 is a detailed electronic diagram of a possible embodiment of this plant;
- les figures 3 et 4 sont des schémas fonctionnels du matériel permettant la programmation et le calibrage de la centrale, illustrant les deux positions que peut occuper ce matériel pour l'enregistrement des valeurs numériques du capteur à 0 g et 1 g ;- Figures 3 and 4 are functional diagrams of the equipment for programming and calibrating the plant, illustrating the two positions that can occupy this equipment for recording the digital values of the sensor at 0 g and 1 g;
- la figure 5 illustre le principe d'analyse par le microprocesseur des valeurs numériques délivrées par le capteur d'inertie ; - la figure 6 est une vue partielle illustrant le principe d'intégration d'une alarme sonore sur le circuit imprimé d'une centrale conforme à la présente invention ;- Figure 5 illustrates the principle of analysis by the microprocessor of the digital values delivered by the inertia sensor; - Figure 6 is a partial view illustrating the principle of integration of an audible alarm on the printed circuit of a central unit according to the present invention;
- la figure 7 est une vue partielle illustrant le principe d'intégration d'un détecteur de mise en marche des essuie-glaces du véhicule sur le circuit imprimé d'une centrale conforme à la présente invention. La centrale de gestion illustrée sur la figure 1 se présente sous la forme d'un circuit imprimé 1 alimenté par la batterie 12 volts 2 du véhicule et comprenant un ensemble électronique régulateur/stabilisateur de tension 3 qui alimente en énergie un capteur d'inertie numérique 4, du type à double sens, et un microprocesseur 5. Le capteur d'inertie 5 peut être un modèle du type ADXL 202 de la- Figure 7 is a partial view illustrating the principle of integration of a detector for switching on the windscreen wipers of the vehicle on the printed circuit of a central unit according to the present invention. The central control unit illustrated in FIG. 1 is in the form of a printed circuit 1 supplied by the vehicle's 12 volt battery 2 and comprising an electronic voltage regulator / stabilizer assembly 3 which supplies energy to a digital inertia sensor 4, of the two-way type, and a microprocessor 5. The inertia sensor 5 can be a model of the ADXL 202 type of the
Société ANALOG DEVICE (PARIS - FRANCE). Ce genre de capteur a la possibilité de fournir des informations sur les valeurs d'accélération ou de décélération qu'il subit sur deux axes perpendiculaires. Pour la présente application un seul de ces deux axes est utilisé, cet axe étant appelé « ligne active » dans la suite de la présente description. Les informations fournies par le capteur d'inertie 4 sont des valeurs numériques, délivrées toutes les 56 millisecondes pour le modèle concerné. Ces valeurs numériques sont généralement différentes d'un capteur à l'autre pour une même valeur d'accélération ou de décélération ; cette tolérance de précision sera résolue par une opération de calibrage décrite plus loin.ANALOG DEVICE (PARIS - FRANCE). This kind of sensor has the possibility of providing information on the acceleration or deceleration values which it undergoes on two perpendicular axes. For the present application, only one of these two axes is used, this axis being called “active line” in the remainder of this description. The information provided by the inertia sensor 4 are digital values, delivered every 56 milliseconds for the model concerned. These numerical values are generally different from one sensor to another for the same acceleration or deceleration value; this precision tolerance will be resolved by a calibration operation described below.
Le microprocesseur 5 utilisé peut être un modèle TYNI 12 avec EDPROM de la Société ATMEL (PARIS, FRANCE).The microprocessor 5 used can be a TYNI 12 model with EDPROM from the company ATMEL (PARIS, FRANCE).
Dans la centrale de gestion illustrée, le point commun 6 du levier d'indication de changement de direction 7 est connecté au + 12 volts permanent de la batterie du véhicule. L'une des broches du microprocesseur 5 est connectée au point de contact 10 du levier 7 correspondant à la mise en action des feux clignotants droits du véhicule, par la liaison 11 ; et une autre broche du microprocesseur est connectée au point de contact 12 du levier 7 correspondant à la mise en action des feux clignotants gauches, par la liaison 14. Le troisième point de contact 15 du levier 7, correspondant à la position repos, est connecté avec les deux points de contact 10 et 12 par l'intermédiaire d'un interrupteur 16 correspondant à l'interrupteur manuel de déclenchement des feux de détresse, positionné au niveau du tableau de bord du véhicule.In the illustrated central control unit, the common point 6 of the direction change indication lever 7 is connected to the permanent + 12 volts of the vehicle battery. One of the pins of the microprocessor 5 is connected to the contact point 10 of the lever 7 corresponding to the setting action of the right-hand indicators of the vehicle, via the link 11; and another pin of the microprocessor is connected to the contact point 12 of the lever 7 corresponding to the actuation of the left flashing lights, by the connection 14. The third contact point 15 of the lever 7, corresponding to the rest position, is connected with the two contact points 10 and 12 by means of a switch 16 corresponding to the manual switch for triggering the hazard warning lights, positioned at the level of the vehicle dashboard.
A partir de la tension appliquée au point commun 6 du levier d'indication de changement de direction 7, on comprend que les deux liaisons 11 et 14 permettent d'informer le microprocesseur 5 de la position dudit levier 7 et de celle de l'interrupteur 16.From the voltage applied to the common point 6 of the direction change indication lever 7, it is understood that the two links 11 and 14 make it possible to inform the microprocessor 5 of the position of said lever 7 and that of the switch 16.
En fonction des informations de position reçues, le microprocesseur gère le déclenchement des feux clignotants droits 18 et gauches 19 par l'intermédiaire de commandes de puissance, respectivement 20 et 21 constituées de relais ou de transistors alimentés par la batterie 2.Depending on the position information received, the microprocessor manages the triggering of the right 18 and left 19 flashing lights by means of power controls, respectively 20 and 21 consisting of relays or transistors supplied by the battery 2.
Le microprocesseur 5 adresse un signal oscillant aux commandes de puissance 20 et/ou 21 pour obtenir le clignotement des feux 18 et/ou 19.The microprocessor 5 sends an oscillating signal to the power controls 20 and / or 21 to obtain the flashing of the lights 18 and / or 19.
Le microprocesseur 5 gère également les informations délivrées par le capteur d'inertie 4 de manière à assurer le déclenchement des feux de détresse lorsqu'un seuil de freinage prédéfini a été dépassé. Ce déclenchement est réalisé en adressant par le microprocesseur 5 un signal oscillant aux deux commandes de puissance 20 et 21 pour obtenir le clignotement simultané des feux 18 et 19. Cette information de sécurité est gérée de manière prioritaire par le microprocesseur, par rapport aux indications de changement de direction, si bien que les feux de détresse seront activés suite à un freinage d'urgence même si les feux clignotants droit ou gauche fonctionnent du fait d'un changement de direction mis en œuvre par le levier 7.The microprocessor 5 also manages the information delivered by the inertia sensor 4 so as to ensure the triggering of the hazard warning lights when a predefined braking threshold has been exceeded. This triggering is carried out by sending the microprocessor 5 an oscillating signal to the two power controls 20 and 21 to obtain the simultaneous flashing of the lights 18 and 19. This safety information is managed as a priority by the microprocessor, relative to the indications of change of direction, so that the hazard warning lights will be activated following an emergency braking even if the right or left flashing lights operate due to a change of direction implemented by lever 7.
A côté du capteur d'inertie 4 et du microprocesseur 5, les différentes parties fonctionnelles du circuit imprimé décrites ci-dessus (ensemble régulateur/stabilisateur de tension 3 et commandes de puissance 20, 21) sont constituées d'une association de composants électroniques classiques (résistances, diodes, condensateurs ...), implantés de manière logique par le concepteur pour obtenir les fonctions décrites.Next to the inertia sensor 4 and the microprocessor 5, the different functional parts of the printed circuit described above (voltage regulator / stabilizer assembly 3 and power controls 20, 21) are consisting of a combination of conventional electronic components (resistors, diodes, capacitors ...), logically installed by the designer to obtain the functions described.
Un exemple de conception détaillé de cette centrale de gestion est illustré sur la figure 2 ; sur cette figure les parties fonctionnelles qui viennent d'être décrites sont individualisées et repérées de manière identique.An example of a detailed design of this management center is illustrated in Figure 2; in this figure the functional parts which have just been described are individualized and identified identically.
Le circuit imprimé 1 comprend des sorties de connexion électrique qui permettent la liaison :The printed circuit 1 includes electrical connection outputs which allow the connection:
- de l'ensemble régulateur/stabilisateur de tension 3 avec la masse et avec la borne + 12 volts de la batterie 2,- of the voltage regulator / stabilizer assembly 3 with earth and with the + 12 volt terminal of the battery 2,
- des commandes de puissance 20 et 21 avec les feux clignotants droits 18 et gauches 19, et- power controls 20 and 21 with the right 18 and left 19 turn signals, and
- du microprocesseur 5 avec le levier 7 d'indication de changement de direction et l'interrupteur de déclenchement des feux de détresse 16. Sur la figure 2, on remarque que des moyens électroniques, respectivement 23 et 24 sont prévus à l'entrée des broches du microprocesseur 5 qui sont connectées aux points de contact 10 et 12 du levier d'indication de changement de direction, pour atténuer la tension d'entrée audit microprocesseur 5. Pour son implantation dans le véhicule, le circuit imprimé est avantageusement protégé par un capotage en forme de boîtier.- of the microprocessor 5 with the lever 7 for indication of change of direction and the switch for triggering the hazard warning lights 16. In FIG. 2, it can be seen that electronic means, respectively 23 and 24 are provided at the entry of the microprocessor 5 pins which are connected to the contact points 10 and 12 of the direction change indication lever, to attenuate the input voltage to said microprocessor 5. For its installation in the vehicle, the printed circuit is advantageously protected by a housing-shaped cover.
Pour optimiser le fonctionnement de cette centrale de gestion, on veillera à ce que le circuit imprimé 1 soit monté sur le véhicule équipé de manière à ce que la ligne active du capteur 4 soit disposée horizontalement ou sensiblement horizontalement (le véhicule reposant lui-même sur un sol horizontal), et orientée sur l'axe d'avancement du véhicule. Ce circuit imprimé 1 est avantageusement intégré dans le tableau de bord du véhicule.To optimize the operation of this central management unit, it will be ensured that the printed circuit 1 is mounted on the equipped vehicle so that the active line of the sensor 4 is disposed horizontally or substantially horizontally (the vehicle itself resting on horizontal ground), and oriented on the axis of advancement of the vehicle. This printed circuit 1 is advantageously integrated in the dashboard of the vehicle.
Une fois le circuit imprimé réalisé, le microprocesseur 5 est programmé pour lui permettre de gérer les informations provenant du levier 7 et de l'interrupteur 16, ainsi que les informations délivrées par le capteur d'inertie numérique à double sens 4. Au cours de cette programmation, on réalise une opération originale de calibrage du capteur d'inertie 4 pour s'exonérer des problèmes de tolérance en ce qui concerne la précision des valeurs numériques qu'il délivre.Once the printed circuit has been produced, the microprocessor 5 is programmed to enable it to manage the information coming from the lever 7 and the switch 16, as well as the information delivered by the two-way digital inertia sensor 4. During this programming, we perform a original calibration operation of the inertia sensor 4 to avoid tolerance problems with regard to the precision of the digital values that it delivers.
Ces opérations de programmation/calibrage sont réalisées au moyen d'un matériel spécifique illustré de manière fonctionnelle sur les figures 3 et 4. Ce matériel particulier comprend une embase 26 munie de moyens 27 qui permettent le positionnement du circuit imprimé 1 sur des plots 28 de programmation et de test connectés à des moyens informatiques 29. Les plots de programmation et de test 28, du type contact à ressort, sont agencés en fonction de l'implantation des éléments électroniques sur le circuit imprimé et en particulier en fonction de l'implantation du microprocesseur 5. L'embase 26 est en outre articulée en 30 sur un socle principal 31 de manière à permettre son pivotement de 90° entre deux butées de positionnement 32 et 33. Ce pivotement de 90° est adapté, en fonction de l'implantation du capteur 4 sur le circuit imprimé, pour permettre de placer la ligne active de ce capteur soit horizontalement (figure 2), soit verticalement (figure 3).These programming / calibration operations are carried out using specific equipment functionally illustrated in FIGS. 3 and 4. This particular equipment includes a base 26 provided with means 27 which allow the positioning of the printed circuit 1 on pads 28 of programming and test connected to computer means 29. The programming and test pads 28, of the spring contact type, are arranged according to the location of the electronic elements on the printed circuit and in particular according to the location microprocessor 5. The base 26 is further articulated at 30 on a main base 31 so as to allow its pivoting of 90 ° between two positioning stops 32 and 33. This pivoting of 90 ° is adapted, depending on the implantation of the sensor 4 on the printed circuit, to allow to place the active line of this sensor either horizontally (figure 2), or vertically (figure 3).
La programmation du microprocesseur 5 est réalisée de manière à lui permettre d'enregistrer les valeurs successives Vn délivrées par le capteur d'inertie 4. Simultanément à cet enregistrement, le microprocesseur calcule la différence entre chaque valeur Vn et la valeur Vn-x qui a été délivrée par le capteur un laps de temps ∑ auparavant, ce laps de temps x. prédéterminé pouvant être de l'ordre de quelques dixièmes de secondes ou de quelques secondes (figure 5). Cette différence Vn - Vn-x est comparée à une valeur seuil Δ, définie à l'avance, correspondant à une valeur seuil de freinage, et le déclenchement simultané des feux clignotants droits 18 et gauches 19 est commandé dans le cas où la différence Vn - Vn-x est supérieure à cette valeur seuil Δ. Pour une automobile, cette valeur seuil Δ peut correspondre à une décélération de l'ordre de 0,5 à 1 g. Les feux de détresse sont maintenus activés pendant un délai prédéterminé à partir de leur déclenchement, par exemple de l'ordre de quelques secondes. Les témoins lumineux du tableau de bord qui signalent le déclenchement des feux clignotants sont aussi activés pendant ce même délai.The programming of the microprocessor 5 is carried out so as to enable it to record the successive values Vn delivered by the inertia sensor 4. Simultaneously with this recording, the microprocessor calculates the difference between each value Vn and the value Vn-x which has was delivered by the sensor a period of time ∑ previously, this period of time x. predetermined can be of the order of a few tenths of seconds or a few seconds (Figure 5). This difference Vn - Vn-x is compared with a threshold value Δ, defined in advance, corresponding to a braking threshold value, and the simultaneous triggering of the right 18 and left flashing lights 19 is controlled in the case where the difference Vn - Vn-x is greater than this threshold value Δ. For an automobile, this threshold value Δ may correspond to a deceleration of the order of 0.5 to 1 g. The hazard warning lights are kept activated for a predetermined period of time from their activation, for example of the order of a few seconds. The dashboard warning lights that signal the flashing lights are also activated during this same period.
Ce procédé de gestion des informations permet d'obtenir un réétalonnage automatique et permanent des moyens avertisseurs de freinage d'urgence de manière, notamment, à ne pas avoir besoin de positionner le capteur 4 parfaitement horizontalement sur le véhicule, et de manière à ne pas tenir compte pour le déclenchement automatique des feux de détresse, des dénivellations ou irrégularités du trajet.This information management method makes it possible to obtain an automatic and permanent recalibration of the emergency brake warning means so as, in particular, not to need to position the sensor 4 perfectly horizontally on the vehicle, and so as not to take into account for the automatic triggering of the hazard warning lights, unevenness or irregularities in the route.
Comme indiqué précédemment, la programmation du microprocesseur 5 par les moyens informatiques 29 intègre aussi une opération de calibrage du capteur 4, réalisée en utilisant les possibilités de pivotement à 90° de l'embase 26.As indicated previously, the programming of the microprocessor 5 by the computer means 29 also includes a calibration operation of the sensor 4, carried out by using the possibilities of pivoting at 90 ° from the base 26.
Le positionnement horizontal de la ligne active du capteur 4 (figure 3) permet d'enregistrer la valeur numérique délivrée par ce capteur à 0 g (accélération nulle) et son positionnement vertical (figure 4) permet l'enregistrement de la valeur numérique qu'il délivre pour une accélération de 1 g. Ces deux enregistrements permettent d'obtenir la valeur numérique pleine échelle du capteur considéré, entre 0 g et 1 g, et ainsi d'en déduire la valeur numérique correspondant à l'unité de l'échelle. Cette valeur d'unité d'échelle est intégrée dans la programmation du microprocesseur de manière à assurer un déclenchement fiable et précis des feux de détresse toujours pour une même valeur de décélération, ceci malgré l'existence de différences d'un capteur à l'autre en ce qui concerne la précision des valeurs numériques délivrées. Une fois la programmation et le calibrage réalisés, on peut tester les moyens avertisseurs de freinage d'urgence en faisant basculer rapidement l'embase 26 de la position horizontale à la position verticale. Des témoins lumineux 34 implantés sur l'embase 26 simulent alors l'allumage des feux clignotants. Ce matériel particulier peut être adapté pour recevoir plusieurs circuits imprimés 1. Tout en conservant le même principe de réalisation et de fonctionnement, la centrale clignotante conforme à l'invention peut intégrer une alarme sonore destinée à être actionnée simultanément au déclenchement des feux de détresse du fait d'un freinage d'urgence. Cette fonction particulière est illustrée sur la figure 6 qui fait apparaître les moyens électroniques correspondants 35 connectés directement sur l'une des broches libre du microprocesseur, en vue de leur pilotage. La programmation du microprocesseur est adaptée en conséquence, de préférence pour déclencher l'alarme sonore pendant le même délai que les feux de détresse. Comme on l'a illustré sur la figure 7, le circuit imprimé de la centrale peut aussi intégrer des moyens électroniques 36 connectés au moteur d'essuie- glaces 37 du véhicule (pour ce qui concerne une implantation de la centrale sur un véhicule automobile ou sur un poids lourd), qui permettent de détecter la mise en marche des essuie-glaces (c'est-à-dire indirectement la présence de pluie) et d'envoyer l'information correspondante au microprocesseur. Ce microprocesseur, programmé en conséquence, a ainsi la possibilité de déclencher les feux de détresse à partir d'un seuil de freinage diminué, en cas de pluie, la diminution correspondante de la valeur de seuil Δ pouvant être de l'ordre de 5 %. Si l'une seule de ces deux dernières fonctions est appliquée, elle peut être mise en œuvre sur la broche libre du microprocesseur 5 illustré figures 1 et 2. Dans le cas où on désire la présence de ces deux fonctions on utilisera un microprocesseur 5' comportant des entrées/sorties supplémentaires. The horizontal positioning of the active line of sensor 4 (figure 3) allows the digital value delivered by this sensor to be recorded at 0 g (zero acceleration) and its vertical positioning (figure 4) allows the recording of the digital value that it delivers for an acceleration of 1 g. These two recordings make it possible to obtain the full scale digital value of the sensor in question, between 0 g and 1 g, and thus to deduce therefrom the digital value corresponding to the scale unit. This value of scale unit is integrated into the programming of the microprocessor so as to ensure a reliable and precise triggering of the hazard warning lights always for the same deceleration value, this despite the existence of differences from one sensor to the another with regard to the accuracy of the numerical values delivered. Once the programming and calibration have been carried out, the emergency brake warning means can be tested by rapidly tilting the base 26 from the horizontal position to the vertical position. Indicator lights 34 located on the base 26 then simulate the lighting of the flashing lights. This particular material can be adapted to receive several printed circuits 1. While retaining the same principle of construction and operation, the flashing unit according to the invention can incorporate an audible alarm intended to be actuated simultaneously with the triggering of the hazard lights due to emergency braking. This particular function is illustrated in FIG. 6 which shows the corresponding electronic means 35 connected directly to one of the free pins of the microprocessor, for their control. The programming of the microprocessor is adapted accordingly, preferably to trigger the audible alarm for the same time as the hazard warning lights. As illustrated in FIG. 7, the printed circuit of the central unit can also integrate electronic means 36 connected to the wiper motor 37 of the vehicle (with regard to an installation of the central unit on a motor vehicle or on a heavy vehicle), which make it possible to detect the activation of the wipers (that is to say indirectly the presence of rain) and to send the corresponding information to the microprocessor. This microprocessor, programmed accordingly, thus has the possibility of triggering the hazard warning lights from a reduced braking threshold, in the event of rain, the corresponding decrease in the threshold value Δ possibly being of the order of 5%. . If only one of these last two functions is applied, it can be implemented on the free pin of the microprocessor 5 illustrated in FIGS. 1 and 2. In the case where it is desired to have these two functions present, a microprocessor 5 ′ will be used. with additional inputs / outputs.
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU59912/00A AU5991200A (en) | 1999-06-25 | 2000-06-23 | Power unit for managing a vehicle flashers |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR99/08439 | 1999-06-25 | ||
| FR9908439A FR2795373B1 (en) | 1999-06-25 | 1999-06-25 | FLYING LIGHT CONTROL UNIT OF A VEHICLE, METHOD FOR IMPLEMENTING SAID PLANT AND EQUIPMENT FOR PROGRAMMING AND CALIBRATION THEREOF |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001000446A1 true WO2001000446A1 (en) | 2001-01-04 |
Family
ID=9547552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2000/001771 Ceased WO2001000446A1 (en) | 1999-06-25 | 2000-06-23 | Power unit for managing a vehicle flashers |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU5991200A (en) |
| FR (1) | FR2795373B1 (en) |
| WO (1) | WO2001000446A1 (en) |
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| US5894265A (en) * | 1998-02-05 | 1999-04-13 | Hemingway; David | Driving condition dependent braking light |
-
1999
- 1999-06-25 FR FR9908439A patent/FR2795373B1/en not_active Expired - Fee Related
-
2000
- 2000-06-23 AU AU59912/00A patent/AU5991200A/en not_active Abandoned
- 2000-06-23 WO PCT/FR2000/001771 patent/WO2001000446A1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0505337A1 (en) * | 1991-03-22 | 1992-09-23 | Giuseppe Codrino | Flashing controlling device for motor vehicle lights |
| US5231373A (en) * | 1991-06-28 | 1993-07-27 | William H. Freeman | Multi-level illumination control system for automotive signalling use |
| US5663709A (en) * | 1996-05-01 | 1997-09-02 | Juang; Ing-Bin | Auxiliary control circuit for vehicle lights with a theft prevention function |
| DE29617527U1 (en) * | 1996-10-12 | 1997-02-13 | Nieduzak, Andrzej, 42477 Radevormwald | Motor vehicle turn signal system with additional functions |
| US5894265A (en) * | 1998-02-05 | 1999-04-13 | Hemingway; David | Driving condition dependent braking light |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7460605B2 (en) | 2001-11-15 | 2008-12-02 | Lawrence Livermore National Security, Llc | Time reversal communication system |
| CN104266776A (en) * | 2014-10-30 | 2015-01-07 | 国家电网公司 | Sensitive power-obtaining type temperature sensor based on acoustic surface waves |
| CN104360043A (en) * | 2014-11-10 | 2015-02-18 | 国家电网公司 | Induction energy-taking type oil quality sensor for transformer substation |
| US11524638B2 (en) | 2014-11-24 | 2022-12-13 | Ess-Help, Inc. | Enhanced communication system for vehicle hazard lights |
| EP3578417A1 (en) * | 2014-11-24 | 2019-12-11 | Ess-Help, Inc. | Enhanced communication system for vehicle hazard lights |
| US11021117B2 (en) | 2014-11-24 | 2021-06-01 | Ess-Help, Inc. | Enhanced communication system for vehicle hazard lights |
| US12263784B2 (en) | 2014-11-24 | 2025-04-01 | Ess-Help, Inc. | Enhanced communication system for vehicle hazard lights |
| US11332088B2 (en) | 2014-11-24 | 2022-05-17 | Ess-Help, Inc. | Enhanced communication system for vehicle hazard lights |
| US11511686B2 (en) | 2014-11-24 | 2022-11-29 | Ess-Help, Inc. | Enhanced communication system for vehicle hazard lights |
| US10870390B2 (en) | 2018-12-11 | 2020-12-22 | Ess-Help, Inc. | Enhancement of vehicle hazard systems |
| US11904765B2 (en) | 2018-12-11 | 2024-02-20 | Ess-Help, Inc. | Enhanced operation of vehicle hazard and lighting communication systems |
| US11518298B2 (en) | 2019-03-15 | 2022-12-06 | ESS-Help, lnc. | High visibility lighting for autonomous vehicles |
| US11590887B2 (en) | 2019-03-15 | 2023-02-28 | Ess-Help, Inc. | Control of high visibility vehicle light communication systems |
| US11981254B2 (en) | 2019-03-15 | 2024-05-14 | Ess-Help, Inc. | Control of high visibility vehicle light communication systems |
| US11938862B2 (en) | 2019-03-28 | 2024-03-26 | Ess-Help, Inc. | Remote vehicle hazard and communication beacon |
| US11135968B2 (en) | 2019-03-28 | 2021-10-05 | Ess-Help, Inc. | Remote vehicle hazard and communication beacon |
| US12109938B2 (en) | 2019-08-12 | 2024-10-08 | Ess-Help, Inc. | System for communication of hazardous vehicle and road conditions |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2795373A1 (en) | 2000-12-29 |
| AU5991200A (en) | 2001-01-31 |
| FR2795373B1 (en) | 2005-03-18 |
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