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.

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• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• General Physics & Mathematics (AREA)
• Physics & Mathematics (AREA)
• Sustainable Energy (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Power Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Lock And Its Accessories (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)
• Selective Calling Equipment (AREA)

Applications Claiming Priority (2)

Publications (1)

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• 2009
  • 2009-03-24 FR FR0901391A patent/FR2943822B1/fr active Active
• 2010
  • 2010-03-11 WO PCT/EP2010/053134 patent/WO2010108789A1/fr active Application Filing
  • 2010-03-11 CN CN201080013264.0A patent/CN102362295B/zh active Active
  • 2010-03-11 US US13/255,959 patent/US8912912B2/en active Active
  • 2010-03-11 EP EP10708533A patent/EP2433268A1/de not_active Withdrawn
  • 2010-03-11 JP JP2012501234A patent/JP2012521699A/ja active Pending

Non-Patent Citations (2)

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