EP2433268A1 - Remote identification device associated with a vehicle including means for remotely communicating with the associated vehicle - Google Patents

Remote identification device associated with a vehicle including means for remotely communicating with the associated vehicle

Info

Publication number
EP2433268A1
EP2433268A1 EP10708533A EP10708533A EP2433268A1 EP 2433268 A1 EP2433268 A1 EP 2433268A1 EP 10708533 A EP10708533 A EP 10708533A EP 10708533 A EP10708533 A EP 10708533A EP 2433268 A1 EP2433268 A1 EP 2433268A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
state
identification device
battery
charge
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.)
Withdrawn
Application number
EP10708533A
Other languages
German (de)
French (fr)
Inventor
Eric Menard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle SAS
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 Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP2433268A1 publication Critical patent/EP2433268A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/70—Interactions with external data bases, e.g. traffic centres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00634—Power supply for the lock
    • G07C2009/00642—Power supply for the lock by battery
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/62—Comprising means for indicating the status of the lock
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • Remote identification device associated with a motor vehicle comprising remote communication means with the associated vehicle
  • the present invention relates to a device for remote identification of a user of a motor vehicle, in particular for access and / or startup of such a vehicle by the authorized user.
  • the key head is equipped on the one hand with an immobilizer in the form of a transponder whose code is interrogated via an antenna. to authorize or prohibit the starting of the vehicle, and secondly a remote control for locking or unlocking the remote vehicle opening.
  • the Applicant had proposed in its application FR 2 657 643 a remote control with a display for inter alia informing the driver on the status of the opening of the vehicle (locked or unlocked), the level fuel in the tank and time.
  • the Applicant had considered writing on a memory card contained in the identification device, the information relating to the level of load of the vehicle when the user leaves the vehicle, this information being by the searchable out of the vehicle on the display screen of the identification device.
  • the battery charge level may be significantly lower than that initially stored, or reach a critical threshold no longer allowing the vehicle to start. Even more advantageously, this monitoring of the charge level of the battery is of interest with the increasing development of fully or partially electric propulsion vehicles.
  • the distance that can be traveled by the vehicle depends on the state of charge of the or the propulsion batteries.
  • the present invention aims to provide such a solution for informing the user in real time, that is to say with frequently updated data, the state of charge of the or batteries of the vehicle.
  • the subject of the invention is a device for remote identification of a motor vehicle, comprising remote communication means with the associated vehicle, characterized in that it comprises means able to receive at a distance state of charge of at least one battery of the vehicle.
  • the invention may further comprise one or more of the following features, taken alone or in combination:
  • said vehicle comprises means for controlling the locking / unlocking of the vehicle and comprises means for activating said interrogation means, which are configured to activate the interrogation means when a command for locking the vehicle is sent,
  • the activation means are configured in such a way as to stop the interrogation means, when a command for unlocking the vehicle is sent, the interrogation means are configured to interrogate the state of the at least one battery at regular intervals,
  • the reception means are configured to compare the state of the battery with the state of the at least one battery received during the preceding interrogation and the interrogation interval is lengthened if the two states are substantially equal,
  • the transfer means uses Bluetooth TM technology
  • the associated vehicle is a fully or partially electric powered vehicle.
  • FIG. 1 is a block diagram of the device according to a first embodiment
  • FIG. 2 is a block diagram of the device according to a second embodiment. The first embodiment of the invention will now be described with reference to FIG.
  • FIG. 1 is a block diagram of the device according to the invention showing a device 1 for remote identification of a motor vehicle 2 associated with the identification device 1.
  • the vehicle 2 can be a vehicle with at least partial electric propulsion. using at least one propulsion battery.
  • the vehicle may also include only a secondary power supply battery.
  • the monitored state of charge may be the state of charge of a propulsion battery or a battery for supplying the secondary electrical equipment, or both.
  • the electric propulsion is an important component, see preponderant. It may be vehicles powered 100% by electric energy or hybrid vehicles whose electric propulsion supports thermal propulsion, particularly in certain driving phases such as starting or up to a speed a few dozen kilometers per hour.
  • This device 1 comprises means 3 for remote communication with the associated vehicle 2 also equipped with communication means 4.
  • the communication means may for example communicate via a radio frequency RF type link.
  • the device 1 comprises means 5 for interrogating the state of charge of the vehicle's propulsion battery and means 6 for receiving this state of charge received from the vehicle.
  • the state of charge of the vehicle received by the receiving means 6 can be viewed on display means 7.
  • the vehicle's propulsion battery is the one used to power the electric propulsion engines, either as a support, such as for a hybrid vehicle, or as a main engine for a fully electric vehicle.
  • the display means 7 can be made in the form of a simple display, see a two-color LED (green for a sufficient state of charge and red for a state requiring a recharge of the battery), an LED bar or a a screen for example TFT.
  • this identification device comprises means 11 for driving / unlocking the vehicle, that is to say by sending for example a specific code, the vehicle 2 can be condemned and unlocked.
  • These means can be realized in the form of a remote control or in the form of a hands-free access system for which the vehicle is condemned and unlocked depending on the location of the user in or outside a perimeter around the vehicle.
  • the identification device 1 it has been found advisable for the identification device 1 to comprise means 12 for activating said interrogation means, which are configured to activate the interrogation means when a command for locking the vehicle is sent. .
  • the interrogation of the state of charge of the propulsion battery is launched only when the vehicle is condemned.
  • the activation means 12 is configured to stop the interrogation means, when a vehicle unlocking command is sent.
  • the interrogation means is configured to interrogate the state of the propulsion battery at regular intervals, for example by a time interval of between 5 and 10min.
  • the interrogation means 5 To minimize interrogations of the state of charge in order to save the supply of the identification device, for example a battery, it is intended to configure the interrogation means 5 so that the time interval between two successive interrogations depends on the comparison between the state of the propulsion battery and the state of the battery during the previous interrogation. If the state of charge between the two interrogations proves to be substantially identical (for example a difference of less than 0.5%), then the interrogation means lengthen the time interval between two interrogations, for example by doubling it. This can be done up to a certain predefined upper limit, for example 1 to 5 hours.
  • the interrogation means again go to an interrogation according to the initial interval between 5 and 10 min.
  • an alert for example on the display means 7 may alert the user.
  • This last case could for example occur in winter during a significant drop in temperature affecting the state of charge of the battery. The user is thus warned and can take the necessary measures in order not to be blocked by a state that is too weak of the state of charge of the battery, for example by operating an individual heating of the battery.
  • the identification device transmits an interrogation signal to the vehicle, to which the vehicle responds with a response signal including the state of charge information of the battery.
  • the vehicle transmits an information signal including this charge information of the battery without having previously received an interrogation signal from the identification device.
  • the identification device is no longer equipped with means for transmitting such a query and is less costly and less energy consuming.
  • the transmission means of the vehicle 5 so that the time interval between two successive transmissions depends on the comparison between the state of the propulsion battery and the state of the battery during the previous transmission. If the state of charge between the two emissions is substantially identical (for example a difference of less than 0.5%), then the emission means 5 extend the time interval between two transmissions, for example by doubling it. This can be done up to a certain predefined upper limit, for example 1 to 5 hours. If in this operating mode, the state of charge has decreased significantly, for example by 5% between two transmissions, the transmission means 5 again pass to an emission at the initial interval between 5 and 10min.
  • the identification device 1 comprises means 12 for activating said transmitting means, which are configured to activate the transmitting means when a command for locking the vehicle is sent. .
  • the identification device 1 comprises means 12 for activating said transmitting means, which are configured to activate the transmitting means when a command for locking the vehicle is sent. .
  • the activation means 12 are configured to stop the transmitting means 5, when a vehicle unlocking command is sent.
  • the transmitting means is configured to transmit a signal incluncates the charging state information of the propulsion battery at regular intervals, for example by an interval of time between 5 and 10min.
  • a signal incluncates the charging state information of the propulsion battery at regular intervals, for example by an interval of time between 5 and 10min.
  • the identification device 1 also comprises transfer means 13 capable of transferring the charge state information of the vehicle battery received by the reception means 6 to a receiver.
  • transfer means 13 capable of transferring the charge state information of the vehicle battery received by the reception means 6 to a receiver.
  • telecommunication equipment 8 to be displayed on means 9 for displaying this telecommunication equipment 8.
  • the display means 7 of the identification device 1 can be removed.
  • the transfer of the state of charge of the vehicle battery received by the identification device to the telecommunication equipment is done by Bluetooth TM technology.
  • Bluetooth TM wireless technology is a short-range communication system designed to replace cables previously used to connect portable devices and / or fixed electronic devices.
  • Bluetooth TM wireless technology The key features of Bluetooth TM wireless technology are its robustness, low power consumption and low cost.
  • the main Bluetooth TM system includes an RF transceiver, baseband and protocol stack. It offers services that connect devices that can then exchange different classes of data. In order to exchange data, the devices must be paired.
  • Pairing is done by launching the discovery from a device and exchanging a code.
  • the code is free, and both devices need to enter the same code.
  • the code is fixed by one of the two devices (device without keyboard, for example), and the other must know it to connect to it. Subsequently, the codes are stored, and it is sufficient that one device requests the connection and the other accepts it so that the data can be exchanged.
  • the transfer by Bluetooth TM technology is replaced by a transfer by the NFC (Near Field Communication) technology.
  • NFC technology is based on a communication protocol without contact between equipment. This protocol uses the 13.56 MHz frequency band and allows communication between two devices over distances between 0 and 20 cm. It allows speeds of up to 424 Kbps. It offers two modes of operation, active mode and passive mode. In active mode the two devices in communication each generate their own carrier to convey the information. In passive mode, only one device generates a magnetic field that powers the other device to enable it to transmit data.
  • the transfer of the state of charge information of the vehicle battery is by infrared technology.
  • the telecommunication equipment may be a mobile phone, a PDA (personal digital assistant) or a portable computer equipped with telecommunication means.
  • identification device it may also be envisaged to transfer to the telecommunication equipment, other information such as tire pressure, cabin temperature, gasoline level or any other information that may be useful to transfer to the user.

Abstract

The invention relates to a device (1) for remotely identifying a motor vehicle (2), including means (3) for remotely communicating with the associated vehicle (2). The device comprises means (4) for querying the state of charge of at least one vehicle battery and means (6) for receiving said state of charge.

Description

Dispositif d'identification à distance associé à un véhicule automobile comprenant des moyens de communication à distance avec le véhicule associé Remote identification device associated with a motor vehicle comprising remote communication means with the associated vehicle
La présente invention concerne un dispositif d'identification à distance d'un utilisateur d'un véhicule automobile, notamment pour l'accès et/ou le démarrage d'un tel véhicule par l'utilisateur autorisé.The present invention relates to a device for remote identification of a user of a motor vehicle, in particular for access and / or startup of such a vehicle by the authorized user.
Aujourd'hui, les véhicules automobiles sont équipés de systèmes de verrouillage et de déverrouillage électroniques sophistiqués qui empêchent efficacement le vol d'un véhicule tout en permettant un accès facile à un utilisateur autorisé.Today, motor vehicles are equipped with sophisticated electronic locking and unlocking systems that effectively prevent the theft of a vehicle while allowing easy access to an authorized user.
En particulier, outre la clé classique permettant le verrouillage et le déverrouillage mécanique des portes d'un véhicule automobile, la tête de clé est dotée d'une part d'un immobiliseur sous forme d'un transpondeur dont le code est interrogé via une antenne pour autoriser ou interdire le démarrage du véhicule, et d'autre part d'une télécommande permettant de verrouiller ou de déverrouiller les ouvrants du véhicule à distance.In particular, in addition to the conventional key for locking and unlocking the doors of a motor vehicle, the key head is equipped on the one hand with an immobilizer in the form of a transponder whose code is interrogated via an antenna. to authorize or prohibit the starting of the vehicle, and secondly a remote control for locking or unlocking the remote vehicle opening.
Pour augmenter encore le confort de l'utilisateur, la Demanderesse avait proposé dans sa demande FR 2 657 643 une télécommande avec un affichage permettant entre autres d'informer le conducteur sur l'état des ouvrants du véhicule (verrouillé ou déverrouillé), le niveau de carburant dans le réservoir et l'heure.To further increase the comfort of the user, the Applicant had proposed in its application FR 2 657 643 a remote control with a display for inter alia informing the driver on the status of the opening of the vehicle (locked or unlocked), the level fuel in the tank and time.
Dans une demande antérieure encore non publiée, la Demanderesse avait envisagé d'inscrire sur une carte mémoire contenue dans le dispositif d'identification, l'information relative au niveau de charge du véhicule lorsque l'utilisateur quitte le véhicule, cette information étant par la suite consultable hors du véhicule sur l'écran d'affichage du dispositif d'identification.In a previous unpublished application, the Applicant had considered writing on a memory card contained in the identification device, the information relating to the level of load of the vehicle when the user leaves the vehicle, this information being by the searchable out of the vehicle on the display screen of the identification device.
Dans certaines conditions, comme à la suite de changements de conditions climatiques ou à la suite d'un oubli de mise à l'arrêt de certains équipements électriques (feux de position, plafonnier,...), le niveau de charge de la batterie peut se trouver fortement diminuer par rapport à celui initialement stocker, voir atteindre un seuil critique ne permettant plus le démarrage du véhicule. De manière encore plus avantageuse, cette surveillance du niveau de charge de la batterie trouve un intérêt avec le développement grandissant des véhicules à propulsion tout ou partiellement électrique.Under certain conditions, such as as a result of changes in climatic conditions or as a result of forgetting to shut down certain electrical equipment (position lights, overhead lamp, ...), the battery charge level may be significantly lower than that initially stored, or reach a critical threshold no longer allowing the vehicle to start. Even more advantageously, this monitoring of the charge level of the battery is of interest with the increasing development of fully or partially electric propulsion vehicles.
La distance pouvant être parcourue par le véhicule, en particulier pour un véhicule entièrement à propulsion électrique, dépend de l'état de charge de la ou les batteries de propulsion.The distance that can be traveled by the vehicle, in particular for a fully electric powered vehicle, depends on the state of charge of the or the propulsion batteries.
Ainsi, il est important de permettre à l'utilisateur du véhicule électrique de surveiller en temps réel et à distance l'état de charge du véhicule.Thus, it is important to allow the user of the electric vehicle to monitor in real time and remotely the state of charge of the vehicle.
La présente invention vise à proposer une telle solution permettant d'informer l'utilisateur en temps réel, c'est-à-dire avec des données fréquemment actualisées, de l'état de charge de la ou les batteries du véhicule.The present invention aims to provide such a solution for informing the user in real time, that is to say with frequently updated data, the state of charge of the or batteries of the vehicle.
A cet effet, l'invention a pour objet un dispositif d'identification à distance d'un véhicule automobile, comprenant des moyens de communication à distance avec le véhicule associé, caractérisé en ce qu'il comporte des moyens apte à recevoir à distance l'état de charge d'au moins une batterie du véhicule. L'invention peut comporter en outre une ou plusieurs des caractéristiques suivantes, prises seules ou en combinaison :For this purpose, the subject of the invention is a device for remote identification of a motor vehicle, comprising remote communication means with the associated vehicle, characterized in that it comprises means able to receive at a distance state of charge of at least one battery of the vehicle. The invention may further comprise one or more of the following features, taken alone or in combination:
- il comporte des moyens de commande de condamnation / décondamnation du véhicule et il comporte des moyens d'activation desdits moyens d'interrogation qui sont configurés de manière à activer les moyens d'interrogation lors qu'une commande de condamnation du véhicule est envoyée,it comprises means for controlling the locking / unlocking of the vehicle and comprises means for activating said interrogation means, which are configured to activate the interrogation means when a command for locking the vehicle is sent,
- les moyens d'activation sont configurés de manière à arrêter les moyens d'interrogation, lorsque qu'une commande de décondamnation du véhicule est envoyée, - les moyens d'interrogation sont configurés pour interroger l'état de la au moins une batterie à intervalle régulier,the activation means are configured in such a way as to stop the interrogation means, when a command for unlocking the vehicle is sent, the interrogation means are configured to interrogate the state of the at least one battery at regular intervals,
- les moyens de réception sont configurés pour comparer l'état de la batterie avec l'état de la au moins une batterie reçu lors de l'interrogation précédente et l'intervalle d'interrogation est allongé si les deux états sont sensiblement égaux,the reception means are configured to compare the state of the battery with the state of the at least one battery received during the preceding interrogation and the interrogation interval is lengthened if the two states are substantially equal,
- il comporte des moyens d'affichage de l'état de charge de la au moins une batterie reçu par les moyens de réception,it comprises means for displaying the state of charge of the at least one battery received by the reception means,
- il comporte des moyens de transfert de l'état de charge de la au moins une batterie reçu vers un équipement de télécommunication,it comprises means for transferring the state of charge of the at least one battery received to a telecommunication equipment,
- les moyens de transfert utilise la technologie Bluetooth™,the transfer means uses Bluetooth ™ technology,
- le véhicule associé est un véhicule à propulsion tout ou partiellement électrique.- the associated vehicle is a fully or partially electric powered vehicle.
D'autres avantages et caractéristiques apparaîtront à la lecture de la description de l'invention, ainsi que des dessins annexés dans lequel :Other advantages and characteristics will appear on reading the description of the invention, as well as the appended drawings in which:
- la figure 1 est un schéma synoptique du dispositif selon un premier mode de réalisation,FIG. 1 is a block diagram of the device according to a first embodiment,
- la figure 2 est un schéma synoptique du dispositif selon un deuxième mode de réalisation. On va maintenant décrire le premier mode de réalisation de l'invention en référence à la figure 1.- Figure 2 is a block diagram of the device according to a second embodiment. The first embodiment of the invention will now be described with reference to FIG.
La figure 1 est un schéma synoptique du dispositif selon l'invention montrant un dispositif 1 d'identification à distance d'un véhicule automobile 2 associé au dispositif d'identification 1. Le véhicule 2 peut être un véhicule à propulsion au moins partiellement électrique à l'aide d'au moins une batterie de propulsion. Le véhicule peut également ne comprendre qu'une batterie d'alimentation des équipements électriques secondaires. L"état de charge surveillé pouvant être l'état de charge d'une batterie de propulsion ou d'une batterie d'alimentation des équipements électriques secondaires, ou des deux. Dans le cas d'un véhicule à propulsion au moins partiellement électrique, la propulsion électrique est une composante importante, voir prépondérante. Il peut s'agir de véhicules propulsés à 100% par l'énergie électrique ou de véhicules hybrides dont la propulsion électrique vient en support à la propulsion thermique, en particulier dans certaines phase de conduite comme par exemple le démarrage ou jusqu'à une vitesse de quelques dizaines de kilomètres par heures.FIG. 1 is a block diagram of the device according to the invention showing a device 1 for remote identification of a motor vehicle 2 associated with the identification device 1. The vehicle 2 can be a vehicle with at least partial electric propulsion. using at least one propulsion battery. The vehicle may also include only a secondary power supply battery. The monitored state of charge may be the state of charge of a propulsion battery or a battery for supplying the secondary electrical equipment, or both. In the case of a vehicle with at least partly electric propulsion, the electric propulsion is an important component, see preponderant. It may be vehicles powered 100% by electric energy or hybrid vehicles whose electric propulsion supports thermal propulsion, particularly in certain driving phases such as starting or up to a speed a few dozen kilometers per hour.
Ce dispositif 1 comprend des moyens 3 de communication à distance avec le véhicule associé 2 équipé également de moyens de communication 4. Les moyens de communication peuvent par exemple communiquer par une liaison du type radiofréquence RF.This device 1 comprises means 3 for remote communication with the associated vehicle 2 also equipped with communication means 4. The communication means may for example communicate via a radio frequency RF type link.
Le dispositif 1 comporte des moyens 5 d'interrogation de l'état de charge de la batterie de propulsion du véhicule et des moyens 6 de réception de cet état de charge reçu du véhicule. Dans ce premier de réalisation l'état de charge du véhicule reçu par les moyens 6 de réception sont aptes être visualisés sur des moyens 7 d'affichage.The device 1 comprises means 5 for interrogating the state of charge of the vehicle's propulsion battery and means 6 for receiving this state of charge received from the vehicle. In this first embodiment, the state of charge of the vehicle received by the receiving means 6 can be viewed on display means 7.
La batterie de propulsion du véhicule est celle qui sert à alimenter les moteurs électriques de propulsion, soit en support, comme par exemple pour un véhicule hybride, soit en moteur principale pour un véhicule entièrement électrique. Les moyens 7 d'affichage peuvent être réalisés sous forme d'un simple afficheur, voir un voyant bicolore (vert pour un état de charge suffisant et rouge pour un état nécessitant une recharge de la batterie), d'une barre de LED's ou d'un écran par exemple TFT.The vehicle's propulsion battery is the one used to power the electric propulsion engines, either as a support, such as for a hybrid vehicle, or as a main engine for a fully electric vehicle. The display means 7 can be made in the form of a simple display, see a two-color LED (green for a sufficient state of charge and red for a state requiring a recharge of the battery), an LED bar or a a screen for example TFT.
Bien entendu, ce dispositif d'identification comporte des moyens 11 de commande de condamnation / décondamnation du véhicule, c'est-à-dire par envoi par exemple d'un code spécifique, le véhicule 2 peut être condamné et décondamné. Ces moyens peuvent être réalisés sous forme d'une télécommande ou encore sous forme d'un système d'accès mains - libre pour lesquels le véhicule est condamné et décondamné en fonction de la localisation de l'utilisateur dans ou en dehors d'un périmètre autour du véhicule. II s'est avéré judicieux que le dispositif d'identification 1 comporte des moyens 12 d'activation desdits moyens 5 d'interrogation qui sont configurés de manière à activer les moyens 5 d'interrogation lors qu'une commande de condamnation du véhicule est envoyé. Ainsi l'interrogation de l'état de charge de la batterie de propulsion n'est lancée que lorsque le véhicule est condamné.Of course, this identification device comprises means 11 for driving / unlocking the vehicle, that is to say by sending for example a specific code, the vehicle 2 can be condemned and unlocked. These means can be realized in the form of a remote control or in the form of a hands-free access system for which the vehicle is condemned and unlocked depending on the location of the user in or outside a perimeter around the vehicle. It has been found advisable for the identification device 1 to comprise means 12 for activating said interrogation means, which are configured to activate the interrogation means when a command for locking the vehicle is sent. . Thus the interrogation of the state of charge of the propulsion battery is launched only when the vehicle is condemned.
Selon un autre aspect, les moyens 12 d'activation sont configurés de manière à arrêter les moyens 5 d'interrogation, lorsque qu'une commande de décondamnation du véhicule est envoyé. Afin de fournir l'utilisateur toujours avec un état de charge actualisé, les moyens 5 d'interrogation sont configurés pour interroger l'état de la batterie de propulsion à intervalle régulier, par exemple par un intervalle de temps compris entre 5 et 10min.In another aspect, the activation means 12 is configured to stop the interrogation means, when a vehicle unlocking command is sent. In order to provide the user always with an updated state of charge, the interrogation means is configured to interrogate the state of the propulsion battery at regular intervals, for example by a time interval of between 5 and 10min.
Pour minimiser les interrogations de l'état de charge dans le but d'économiser l'alimentation du dispositif d'identification, par exemple un pile, il est prévu de configurer les moyens d'interrogation 5 pour que l'intervalle de temps entre deux interrogations successives dépende de la comparaison entre l'état de la batterie de propulsion avec l'état de la batterie lors de l'interrogation précédente. Si l'état de charge entre les deux interrogations se révèle sensiblement identique (par exemple un différence inférieure à 0,5%), alors les moyens 5 d'interrogation allongent l'intervalle de temps entre deux interrogations, par exemple en le doublant. Ceci peut être fait jusqu'à une certaine limite supérieure prédéfinie, par exemple 1 à 5h. Si dans ce mode de fonctionnement, l'état de charge a diminué de façon sensible, par exemple de 5% entre deux interrogations, les moyens 5 d'interrogation passent à nouveau à une interrogation selon l'intervalle initial compris entre 5 et 10min. Dans ce dernier cas, une alerte, par exemple sur les moyens d'affichage 7 peuvent alerter l'utilisateur. Ce dernier cas pourrait par exemple se produire en hiver lors d'une chute importante de température affectant l'état de charge de la batterie. L'utilisateur est ainsi prévenu et peut prendre les mesure qui s'imposent pour ne pas être bloqué par un état trop faible de l'état de charge de la batterie, par exemple en actionnent un chauffage individuel de la batterie.To minimize interrogations of the state of charge in order to save the supply of the identification device, for example a battery, it is intended to configure the interrogation means 5 so that the time interval between two successive interrogations depends on the comparison between the state of the propulsion battery and the state of the battery during the previous interrogation. If the state of charge between the two interrogations proves to be substantially identical (for example a difference of less than 0.5%), then the interrogation means lengthen the time interval between two interrogations, for example by doubling it. This can be done up to a certain predefined upper limit, for example 1 to 5 hours. If in this mode of operation, the state of charge has decreased significantly, for example by 5% between two interrogations, the interrogation means again go to an interrogation according to the initial interval between 5 and 10 min. In the latter case, an alert, for example on the display means 7 may alert the user. This last case could for example occur in winter during a significant drop in temperature affecting the state of charge of the battery. The user is thus warned and can take the necessary measures in order not to be blocked by a state that is too weak of the state of charge of the battery, for example by operating an individual heating of the battery.
Dans le mode de réalisation décrit ci avant, le dispositif d'identification émet un signal d'interrogation à destination du véhicule, auquel le véhicule répond par un signal de réponse incluant l'information d'état de charge de la batterie . dans un autre mode de réalisation, le véhicule émet un signal d'information incluant cette information de charge de la batterie sans avoir reçu auparavant un signal d'interrogation de la part du dispositif d'identification. Ainsi, le dispositif d'identification n'est plus équipé de moyens d'émission d'une telle interrogation et s'avère moins coûteux de réalisation ainsi que moins consommateur d'énergie.In the embodiment described above, the identification device transmits an interrogation signal to the vehicle, to which the vehicle responds with a response signal including the state of charge information of the battery. in another embodiment, the vehicle transmits an information signal including this charge information of the battery without having previously received an interrogation signal from the identification device. Thus, the identification device is no longer equipped with means for transmitting such a query and is less costly and less energy consuming.
Dans ce mode de réalisation également, pour minimiser les émissions de l'état de charge dans le but d'économiser l'alimentation du dispositif d'émission du véhicule (par exemple un pile) il est prévu de configurer les moyens d'émission du véhicule 5 pour que l'intervalle de temps entre deux émissions successives dépende de la comparaison entre l'état de la batterie de propulsion avec l'état de la batterie lors de l'émission précédente. Si l'état de charge entre les deux émissions se révèle sensiblement identique (par exemple un différence inférieure à 0,5%), alors les moyens 5 d'émissions allongent l'intervalle de temps entre deux émissions, par exemple en le doublant. Ceci peut être fait jusqu'à une certaine limite supérieure prédéfinie, par exemple 1 à 5h. Si dans ce mode de fonctionnement, l'état de charge a diminué de façon sensible, par exemple de 5% entre deux émissions, les moyens 5 d'émission passent à nouveau à une émission selon l'intervalle initial compris entre 5 et 10min.In this embodiment also, to minimize the emissions of the state of charge in order to save the power of the vehicle emission device (for example a battery) it is planned to configure the transmission means of the vehicle 5 so that the time interval between two successive transmissions depends on the comparison between the state of the propulsion battery and the state of the battery during the previous transmission. If the state of charge between the two emissions is substantially identical (for example a difference of less than 0.5%), then the emission means 5 extend the time interval between two transmissions, for example by doubling it. This can be done up to a certain predefined upper limit, for example 1 to 5 hours. If in this operating mode, the state of charge has decreased significantly, for example by 5% between two transmissions, the transmission means 5 again pass to an emission at the initial interval between 5 and 10min.
Il s'est avéré judicieux que le dispositif d'identification 1 comporte des moyens 12 d'activation desdits moyens 5 d'émission qui sont configurés de manière à activer les moyens 5 d'émission lors qu'une commande de condamnation du véhicule est envoyé. Ainsi rémission de l'état de charge de la batterie de propulsion n'est lancée que lorsque le véhicule est condamné.It has been judicious that the identification device 1 comprises means 12 for activating said transmitting means, which are configured to activate the transmitting means when a command for locking the vehicle is sent. . Thus remission of the state of charge of the propulsion battery is launched only when the vehicle is sentenced.
Selon un autre aspect, les moyens 12 d'activation sont configurés de manière à arrêter les moyens 5 d'émission, lorsque qu'une commande de décondamnation du véhicule est envoyé.In another aspect, the activation means 12 are configured to stop the transmitting means 5, when a vehicle unlocking command is sent.
Afin de fournir l'utilisateur toujours avec un état de charge actualisé, les moyens 5 d'émission sont configurés pour émettre un signal inclunat l'information d'état de charge de la batterie de propulsion à intervalle régulier, par exemple par un intervalle de temps compris entre 5 et 10min. Afin de réduire les coûts d'un dispositif d'identification selon l'invention, on peut envisager de supprimer les moyens d'affichage, du dispositif d'identification.In order to provide the user always with an updated state of charge, the transmitting means is configured to transmit a signal incluncates the charging state information of the propulsion battery at regular intervals, for example by an interval of time between 5 and 10min. In order to reduce the costs of an identification device according to the invention, it is conceivable to eliminate the display means from the identification device.
Dans un deuxième mode de réalisation illustré sur la figure 2, le dispositif d'identification 1 comprend également de moyens 13 de transfert apte à transférer l'information d'état de charge de la batterie du véhicule reçu par les moyens 6 de réception vers un équipement de télécommunication 8 pour être visualisé sur des moyens 9 d'affichage de cet équipement de télécommunication 8.In a second embodiment illustrated in FIG. 2, the identification device 1 also comprises transfer means 13 capable of transferring the charge state information of the vehicle battery received by the reception means 6 to a receiver. telecommunication equipment 8 to be displayed on means 9 for displaying this telecommunication equipment 8.
Dans un mode de réalisation économique non représenté, on peut supprimer les moyens d'affichage 7 du dispositif d'identification 1.In an economic embodiment not shown, the display means 7 of the identification device 1 can be removed.
De manière préférentielle, le transfert de l'état de charge de la batterie du véhicule reçu par le dispositif d'identification vers l'équipement de télécommunication se fait par technologie Bluetooth™.Preferably, the transfer of the state of charge of the vehicle battery received by the identification device to the telecommunication equipment is done by Bluetooth ™ technology.
On prévoira donc de configurer le dispositif 1 d'identification pour qu'il soit apte à communiquer par technologie Bluetooth™.It will therefore be provided to configure the identification device 1 so that it is able to communicate by Bluetooth ™ technology.
La technologie sans fil Bluetooth™ est un système de communication à courte portée conçue pour remplacer les câbles utilisés auparavant afin de relier les périphériques portables et/ou les périphériques électroniques fixes.Bluetooth ™ wireless technology is a short-range communication system designed to replace cables previously used to connect portable devices and / or fixed electronic devices.
Les principales caractéristiques de la technologie sans fil Bluetooth™ sont sa robustesse, sa faible consommation d'énergie et son faible coût. Le système principal Bluetooth™ comporte un émetteur-récepteur RF, une bande de base et une pile protocolaire. Il offre des services qui permettent de relier des périphériques qui peuvent ensuite échanger différentes classes de données. Afin d'échanger des données, les appareils doivent être appairés.The key features of Bluetooth ™ wireless technology are its robustness, low power consumption and low cost. The main Bluetooth ™ system includes an RF transceiver, baseband and protocol stack. It offers services that connect devices that can then exchange different classes of data. In order to exchange data, the devices must be paired.
L'appairage se fait en lançant la découverte à partir d'un appareil et en échangeant un code. Dans certains cas, le code est libre, et il suffit aux deux appareils de saisir le même code. Dans d'autres cas, le code est fixé par l'un des deux appareils (appareil dépourvu de clavier, par exemple), et l'autre doit le connaître pour s'y raccorder. Par la suite, les codes sont mémorisés, et il suffit qu'un appareil demande le raccordement et que l'autre l'accepte pour que les données puissent être échangées.Pairing is done by launching the discovery from a device and exchanging a code. In some cases, the code is free, and both devices need to enter the same code. In other cases, the code is fixed by one of the two devices (device without keyboard, for example), and the other must know it to connect to it. Subsequently, the codes are stored, and it is sufficient that one device requests the connection and the other accepts it so that the data can be exchanged.
Dans un autre mode de réalisation, le transfert par la technologie Bluetooth™ est remplacé par un transfert par la technologie NFC (Near Field Communication). Techniquement, la technologie NFC est basée sur un protocole de communication sans contact entre des équipements. Ce protocole utilise la bande de fréquence 13,56 MHz et permet une communication entre deux équipements sur des distances comprise entre 0 et 20 cm. Il autorise un débit allant jusqu'à 424 Kbit/s. Il offre deux modes de fonctionnement, le mode actif et le mode passif. En mode actif les deux équipements en communication génèrent chacun leur propre porteuse pour véhiculer l'information. En mode passif, un seul des équipements génère un champ magnétique qui alimente l'autre équipement pour lui permettre de transmettre des données.In another embodiment, the transfer by Bluetooth ™ technology is replaced by a transfer by the NFC (Near Field Communication) technology. Technically, NFC technology is based on a communication protocol without contact between equipment. This protocol uses the 13.56 MHz frequency band and allows communication between two devices over distances between 0 and 20 cm. It allows speeds of up to 424 Kbps. It offers two modes of operation, active mode and passive mode. In active mode the two devices in communication each generate their own carrier to convey the information. In passive mode, only one device generates a magnetic field that powers the other device to enable it to transmit data.
Dans encore un autre mode de réalisation, le transfert de l'information d'état de charge de la batterie du véhicule se fait par technologie infrarouge.In yet another embodiment, the transfer of the state of charge information of the vehicle battery is by infrared technology.
L'équipement de télécommunication peut être une téléphone portable, un PDA (assistant numérique personnel) ou un ordinateur portable doté de moyens de télécommunication.The telecommunication equipment may be a mobile phone, a PDA (personal digital assistant) or a portable computer equipped with telecommunication means.
Dans un autre mode de réalisation du dispositif d'identification, on pourra également envisager de transférer vers l'équipement de télécommunication, d'autres informations comme la pression des pneus, la température de l'habitacle, le niveau d'essence ou toute autre information que l'on jugerait utile de transférer à l'utilisateur. In another embodiment of the identification device, it may also be envisaged to transfer to the telecommunication equipment, other information such as tire pressure, cabin temperature, gasoline level or any other information that may be useful to transfer to the user.

Claims

REVENDICATIONS
1. Dispositif d'identification (1 ) à distance associé à un véhicule automobile (2), comprenant des moyens de communication (3, 5, 6) à distance avec le véhicule (2) associé, caractérisé en ce que les moyens de communication à distance comportent des moyens (6) de réception d'une information d'état de charge d'au moins une batterie du véhicule (2).An identification device (1) remotely associated with a motor vehicle (2), comprising communication means (3, 5, 6) remote from the vehicle (2) associated, characterized in that the communication means remote comprise means (6) for receiving a state of charge information of at least one battery of the vehicle (2).
2. Dispositif d'identification selon la revendication 1 , caractérisé en ce que les moyens de communication (3, 5, 6) à distance comprennent des moyens d'interrogation (5) de l'état de charge de ladite au moins une batterie du véhicule aptes à émettre un signal d'interrogation de l'état de charge à destination du véhicule.2. Identification device according to claim 1, characterized in that the remote communication means (3, 5, 6) comprise means for interrogating (5) the state of charge of said at least one battery of the vehicle capable of transmitting a polling signal of the state of charge to the vehicle.
3. Dispositif d'identification selon la revendication 1 ou 2, caractérisé en ce qu'il comporte des moyens (11 ) de commande de condamnation / décondamnation du véhicule et en ce qu'il comporte des moyens (12) d'activation desdits moyens (5) d'interrogation et/ou d'émission qui sont configurés de manière à activer les moyens (5) d'interrogation et/ou d'émission lors qu'une commande de condamnation du véhicule est envoyé.3. Identification device according to claim 1 or 2, characterized in that it comprises means (11) for controlling the locking / unlocking of the vehicle and in that it comprises means (12) for activating said means (5) interrogation and / or transmission which are configured to activate the means (5) for interrogation and / or emission when a command conviction of the vehicle is sent.
4. Dispositif selon la revendication 2, caractérisé en ce que les moyens (12) d'activation sont configurés de manière à arrêter des moyens (5) d'interrogation du dispositif d'identification (1 ), lorsque qu'une commande de décondamnation du véhicule est envoyée.4. Device according to claim 2, characterized in that the means (12) of activation are configured to stop means (5) of interrogation of the identification device (1), when a command of unlocking the vehicle is sent.
5. Dispositif d'identification selon la revendication 2, caractérisé en ce que les moyens (5) d'interrogation sont configurés pour comparer l'état de la au moins une batterie avec son état lors de l'interrogation précédente et en ce qu'un intervalle d'interrogation est allongé si les deux états sont sensiblement égaux.5. Identification device according to claim 2, characterized in that the interrogation means (5) are configured to compare the state of the at least one battery with its state during the previous interrogation and in that an interrogation interval is lengthened if the two states are substantially equal.
6. Dispositif d'identification selon la revendication 1 , caractérisé en ce que les moyens d'émission du véhicule sont configurés pour comparer l'état de ladite au moins une batterie avec son état lors de l'émission précédente et en ce qu'un intervalle d'émissions est allongé si les deux états sont sensiblement égaux.6. Identification device according to claim 1, characterized in that the transmission means of the vehicle are configured to compare the state of said at least one battery with its state during the previous transmission and in that an emission interval is elongated if the two states are substantially equal.
7. Dispositif d'identification selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte des moyens (7) d'affichage apte à afficher l'état de charge de ladite au moins une batterie reçu par les moyens (6) de réception.7. Identification device according to any one of the preceding claims, characterized in that it comprises display means (7) adapted to display the state of charge of said at least one battery received by the means (6). ) reception.
8. Dispositif d'identification selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte des moyens (13) de transfert de l'information d'état de charge de ladite au moins une batterie vers un équipement (8) de télécommunication distinct du dispositif d'identification (1 ).8. Identification device according to any one of the preceding claims, characterized in that it comprises means (13) for transferring the state of charge information of said at least one battery to a device (8). telecommunication device separate from the identification device (1).
9. Dispositif d'identification selon la revendication précédente, caractérisé en ce que les moyens (13) de transfert de l'état de charge de ladite au moins une batterie vers l'équipement (8) de télécommunication utilise la technologie Bluetooth™ .9. Identification device according to the preceding claim, characterized in that the means (13) for transferring the state of charge of said at least one battery to the telecommunications equipment (8) uses Bluetooth ™ technology.
10. Dispositif d'identification selon l'une quelconque des revendications précédentes, caractérisée en ce que le véhicule associé (2) est un véhicule à propulsion au moins partiellement électrique à l'aide de ladite au moins une batterie, utilisée pour la propulsion. 10. Identification device according to any one of the preceding claims, characterized in that the associated vehicle (2) is a vehicle powered at least partially electrically with the aid of said at least one battery, used for propulsion.
EP10708533A 2009-03-24 2010-03-11 Remote identification device associated with a vehicle including means for remotely communicating with the associated vehicle Withdrawn EP2433268A1 (en)

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FR0901391A FR2943822B1 (en) 2009-03-24 2009-03-24 REMOTE IDENTIFICATION DEVICE ASSOCIATED WITH A MOTOR VEHICLE COMPRISING REMOTE COMMUNICATION MEANS WITH THE ASSOCIATED VEHICLE.
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