CN113453948A - Method for notifying a user of a vehicle, control device and vehicle - Google Patents
Method for notifying a user of a vehicle, control device and vehicle Download PDFInfo
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- CN113453948A CN113453948A CN201980091800.XA CN201980091800A CN113453948A CN 113453948 A CN113453948 A CN 113453948A CN 201980091800 A CN201980091800 A CN 201980091800A CN 113453948 A CN113453948 A CN 113453948A
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- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- 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]
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- 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
- B60L2250/00—Driver interactions
- B60L2250/22—Driver interactions by presence detection
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- 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
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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
- Y02T90/12—Electric charging stations
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a method for informing a user (4) of a vehicle (1), the vehicle (1) having at least one electrical energy accumulator (14), comprising: the location of the vehicle (1) is determined (21), the charging conditions of the electrical energy store (14) are determined (22), the position of a user (4) of the vehicle (1) is determined (23), and a message is sent (26) to a mobile terminal (6) of the user (4) as a function of the determined location, the determined charging conditions and the determined position of the user (4).
Description
The invention relates to a method for informing a user of a vehicle, to a control device for carrying out said method, and to a vehicle having said control device.
It is generally known to send push messages to users or to the user's terminal via SMS (short message Service) or other internet or cloud services, for example, in order to inform the user about the state of the motor vehicle.
It is known, for example, from patent document US 9,108,561 a2 to remind the user of a motor vehicle of connecting a charging plug for charging the battery of the vehicle when it is recognized that the user wishes to leave the vehicle.
Patent document US 2015/0378315 a1 describes wireless communication with a portable device to remind the user to set a determined time period for the charging process of the vehicle. The user is thereby alerted that measures must be taken if he wants to charge the vehicle's battery outside of a set period of time.
It is known from patent document US 8,718,844B 2 to inform the user, by calling or in writing, by email or text message that the battery of the vehicle must be charged.
A charging control device for an electrical energy accumulator is known from DE 102013007525B 3. The navigation device outputs a charging time point at which the electrical energy store of the vehicle must be charged. The data can also be sent wirelessly to a cell phone or PDA (2)
digitalen assistentin, personal data assistant).
Although the solutions according to the prior art inform the user of the necessity of charging the electrical energy store, the solution in question has the disadvantage that it does not recognize in advance that a charging process may be necessary and informs the user accordingly.
The object of the present invention is to provide a method, a control device and a vehicle, which at least partially overcome the above-mentioned disadvantages.
This object is achieved by a method according to claim 1, a control device according to claim 14 and a vehicle according to claim 15.
According to a first aspect, the invention provides a method for notifying a user of a vehicle having at least one electrical energy accumulator, the method comprising:
the location of the vehicle is determined,
the charging condition of the electrical energy accumulator is determined,
determining the position of a user of the vehicle, and
and sending a message to the mobile terminal equipment of the user according to the determined location, the determined charging condition and the determined position of the user.
According to a second aspect, the invention provides a control device for a vehicle having at least one electrical energy accumulator, wherein the control device is provided for carrying out the method according to the first aspect.
According to a third aspect, the invention provides a vehicle having at least one energy store and a control device according to the second aspect.
Further advantageous embodiments or aspects of the invention result from the dependent claims and the following description of preferred embodiments of the invention.
The method according to the invention for informing a user of a vehicle having at least one electrical energy store comprises:
the location of the vehicle is determined,
the charging condition of the electrical energy accumulator is determined,
determining the position of a user of the vehicle, and
and sending a message to the mobile terminal equipment of the user according to the determined location, the determined charging condition and the determined position of the user.
The vehicle may be a vehicle, such as a car, van, bus or the like, but may also be an aircraft, a land craft or the like. The vehicle may have an electric machine for driving the device, wherein in some embodiments the vehicle is designed as an electric vehicle, in other embodiments as a (plug-in) hybrid vehicle.
The vehicle has, for example, at least one electrical energy store or a battery (accumulator) provided as an energy store for the (at least one) electric machine. The electrical energy accumulator may also have a plurality of energy accumulators (batteries, cells) and may also comprise, for example, a capacitor(s) or other electrical energy accumulator means.
The method has a determination of the location of the vehicle, wherein the location is determined, for example, by means of a global navigation satellite system (e.g. GPS, global positioning system, GLONASS, galileo, etc.) or also on the basis of other known means, for example, by triangulation in a mobile radio system, radio cells in a mobile radio system, by means of signal strength in a wireless network, etc.
The location of the vehicle can be determined absolutely here (for example by global coordinates) and/or relatively with reference to a location, for example to a charging station, a building, a street, etc.
Furthermore, the method has a determination of the charging conditions of the electrical energy store, so that the charging conditions that must be provided for the charging process can be checked as described below. However, the charging conditions may also include, for example, the state of charge of the electrical energy store.
Furthermore, the method determines the position of a user of the vehicle (for example a driver or a driver of the vehicle), wherein the position can be determined absolutely (for example global coordinates) or can also be determined or determined relatively, for example with reference to the vehicle.
The message is finally sent to the user's mobile terminal device (PDA (personal digital assistant), mobile phone (also called smartphone), portable computer, pager, etc.), which is assumed to be carried by the user when he leaves the vehicle. And sending a message according to the determined location, the determined charging condition and the determined position of the user.
In some embodiments, a correlation between the distance or direction of the user relative to the vehicle can thus be established, wherein the function of the (high-voltage) charging of the electrical energy store is taken into account.
Furthermore, the distance and/or direction of movement of the user from the vehicle to points of interest (points) of the (near) surroundings of the vehicle can be analyzed and taken into account together with, for example, data relevant for charging, charging plans, calendar entries of the user and charging conditions.
For example, when there is a charging desire or an energy store (e.g., a high-voltage battery) has to be charged for the next trip, but charging is not started or cannot be started (i.e., the charging conditions are not correspondingly met), the user can be notified when he is away from the vehicle.
Thus, time delays in message transmission may also be avoided in some embodiments.
In some embodiments (e.g. due to the use of wireless communication paths that do not rely on a mobile wireless network in some embodiments) it is also possible to send messages to the user especially when there is no (mobile wireless) network present (e.g. due to network failure, lack of network coverage, network overload).
Even when the environmental conditions change, for example, the temperature changes and thus the charge state of the electrical energy store changes, resulting in a reduced range, a message can be sent to the user (or the user's mobile terminal).
Furthermore, in some embodiments, the rapid transmission of the message can prevent the user from being aware, for example later in his home or in his work or the like, that charging of the (high-voltage) battery must be started or that charging (preconditions) conditions are not met and, for example, charging cannot take place despite a charging desire. It is thus possible in this case, for example, to avoid the user having to go to the vehicle again and plug in a charging plug or to satisfy other charging conditions in order to enable charging.
Furthermore, in some embodiments it is possible, for example, to provide emergency communication in the event of a (mobile radio) network failure or a fault risk, so that all "last" and "rescue/important" messages are sent to the user, for example when the user leaves the vicinity of the vehicle.
The determination of the position of the user may include a determination of a distance between the user and the vehicle. This has the advantage that it is possible to determine whether the user is approaching or departing from the vehicle, so that for example a message can be sent if the user is still at a determined distance from the vehicle, or the message is put on hold if it is recognized that the user is left near the vehicle, i.e. not intended to continue to depart from the vehicle.
Accordingly, it can be provided that a message is sent to the mobile terminal if the distance exceeds a predetermined threshold value. It is thus possible to send a message to the user (the user's mobile terminal device) when the user is far away from the vehicle but, for example, is still close enough to the vehicle that he is, for example, still in the coverage area of the near field communication area.
The determination of the position of the user can also comprise a determination of the direction of movement of the user and a message can then be sent to the mobile terminal device depending on the determined direction of movement. It is also determined here, for example, that the user wants to move away from the vehicle, for example, to a point of interest, such as his house, his workplace, a supermarket, a restaurant, a cafe, an attraction, a bus station, a train station, etc. (see also below).
The position of the user can be determined in a number of ways. On the one hand, for example, the mobile terminal (or other mobile terminal) can provide a position determination and transmit it, for example, wirelessly, to the vehicle (central control unit). Mobile terminals known today are capable of performing absolute position determination, for example, by means of corresponding sensors (e.g., GPS). Furthermore, wireless radio signals, such as bluetooth (or BLE), wireless local area networks (wireless networks), mobile radio signals, etc., which enable distance and/or direction measurements to be carried out by triangulation and/or signal strength measurements or other known techniques, can also be evaluated.
Furthermore, in some embodiments, the vehicle is equipped to perform position measurements (distance and/or direction of movement) of the user, for example by providing optical sensors, infrared sensors, distance sensors, etc., which are able to directly identify the user and the position of the user, without the need for other means (mobile terminal equipment, radio transmitters, etc.).
In some embodiments, keyless systems are also provided, in which, for example, the user carries a radio transmitter (key, key fob, etc.) with him, which transmits/receives, for example, in the UHF band or RFID range. Vehicles are equipped with a plurality of radio antennas, wherein the radio transmitter and thus the distance and/or (direction of movement) of the user carrying the radio transmitter can be determined on the basis of different signal strengths measured at the radio antennas.
In some exemplary embodiments, the surroundings or the exterior of the vehicle can therefore be divided into different regions, so that it is possible, for example, to determine in which region the radio transmitter (and therefore the user) is located and how the user moves and what the distance of the user from the vehicle is.
Thus, in some exemplary embodiments the user's position may be taken as, for example, a distance coordinate and/or a polar coordinate (direction of movement) of the reference vehicle. It can thus also be determined whether the user is approaching or departing from the vehicle, etc.
Furthermore, different regions around the vehicle, in which the radio transmitter is located or enters or leaves the region, for example, can be identified by means of distance thresholds. Such areas may be associated with, for example, a charging receptacle, driver side, door, trunk, hood, etc. of a vehicle. The threshold value can also be set individually for each region.
In some exemplary embodiments it is thus also determined whether the user is located in the vicinity of the vehicle, wherein the vicinity of the vehicle is adaptable and can be defined not only directly by input, for example, but also be learned or adapted as a function of the user behavior.
In some embodiments, the charging conditions comprise charging preconditions and/or a charging state of the electrical energy accumulator, wherein the charging preconditions comprise at least one of the following charging preconditions: charging plug locking, charging pile failure, charging schedule, availability of the charging pile, availability of electrical energy of the electrical energy accumulator, non-rolling of the vehicle (e.g. parking brake released, gear not engaged, not in parking gear at automatic gearbox control, etc.). This makes it possible to send a message to the mobile terminal device of the user in advance, for example, before the charging process fails and the user has left the vehicle, or else, for example, when the vehicle must be charged because, for example, the change in environmental conditions (colder temperature, sudden weather, snowfall, darkness, etc.) makes the electrical energy not available to the charging station, has traveled home, etc.
In some embodiments, the charging precondition is analyzed when a charging plug is connected and when it is recognized that the user leaves the vicinity, but in other embodiments the charging precondition is already analyzed when the vehicle is switched off or stopped, leaves the vehicle, etc.
If, for example, it turns out that at least one charging precondition is not met, the user can be informed of this by means of a message sent.
The message is sent, for example, when leaving the vehicle interior, which can be determined, for example, by evaluating a door sensor device (opening/closing of the door).
As discussed, it may also be determined whether the user leaves the vehicle vicinity, plugs in a charging plug, and informs him of the charging desire. If, for example, it is recognized that the user is not aware of the fact that the charging condition is not met despite the charging plug being plugged in and the charging expectation being present, or if an error is present in the system, a corresponding message is sent to the mobile terminal for the user.
This may also be: vehicle roll-off is not prevented, charging plug is not locked (current is not allowed), it is not possible to communicate with the charging current regulator of the charging post-failure of the charging post, failure in the charging post or the HW/SW part of the charging current regulator of the vehicle-failure to forget verification (e.g. at the charging post), etc. In some embodiments, the determination of the location of the vehicle includes a determination of a point of interest (POI) as set forth above. The location of interest can be a location where the user usually stays, for example his home (living room), workplace, shopping place, hospital, supermarket, but also a charging station, train station, airport, attraction, office building, etc.
Different reactions may be taken depending on which location of interest is located near the location of the vehicle. For example, it can be assumed that the user spends a certain time, for example eight hours, at the workplace. It is thus possible to determine (in particular when it becomes colder, for example) whether the energy remaining in the electric energy accumulator, for example, is sufficient to travel home after eight hours. Or that the location of the vehicle is in a laggard area (e.g. forest, away from town) etc., so that it can be determined, for example, that the state of charge becomes critical in the case of a determined waiting time, temperature change etc., so that the user is informed accordingly before he has left the vehicle and can no longer be contacted by near field communication, for example. This is also advantageous in case no mobile radio network coverage is provided or the mobile radio network is currently unavailable due to overload or interference.
In some embodiments, it is determined based on the user's location and location whether the user intends to go to a place of interest, i.e., for example, home, work, go to a doctor, go to shopping, go to a charging post, etc. The behavior or intent of the user can thus be determined and a message can be sent to the user accordingly as explained above.
In some embodiments, the method includes determining whether a mobile wireless network is available at the determined location. As indicated above, the failure of a mobile radio network can be critical, since communication with mobile terminal devices is not possible through it. Correspondingly, it can be provided that the message is sent on the basis of the determined availability of the mobile radio network and that other communication channels are used, for example, in the event of a failure or lack of availability/coverage of the mobile radio network.
In some embodiments, the information is (therefore) transmitted to the mobile terminal device by wireless near field communication, for example bluetooth, wireless local area network (WiFi) or other wireless connection. This is also advantageous, for example, if the mobile radio network is not available as discussed, since the user can thus be contacted by the mobile terminal.
Correspondingly, it can be provided that a message is sent to the mobile terminal if the mobile terminal is in the area of near field communication. This ensures that the message is reliably sent to the mobile terminal (especially, for example, when the mobile radio network is not available).
In some embodiments, the message is sent as a push message to the mobile terminal device, for example, such that it is displayed on the display of the mobile terminal device immediately after receipt of the message or at least the received message is displayed as known in the art.
Some embodiments relate to a control device for a vehicle having at least one electrical energy accumulator as described herein, wherein the control device is provided for carrying out the method as described herein. The control device can have one or more (micro) processors, logic circuits, (volatile) working memories, read-only memories in which program code for carrying out the method is stored, for example, and interfaces, which are designed, for example, for wireless communication with mobile terminals (for example, mobile radio, bluetooth, wireless network (WiFi), etc.), for communication with one or more sensors or antennas by means of which, for example, the position of a user is determined, etc., as described herein.
Some embodiments relate to a vehicle having at least one electrical energy accumulator as described herein and a control device as described herein.
Embodiments of the invention are now described, by way of example and with the aid of the accompanying drawings. In the drawings:
FIG. 1 schematically illustrates one embodiment of an electric vehicle having a plurality of zones for determining a user's location and two near field communication zones;
FIG. 2 shows a block diagram of an embodiment of a control device; and
fig. 3 shows a flow chart of an embodiment of a method.
Fig. 1 shows an embodiment of an electric vehicle 1. The vehicle 1 has a plurality of regions 2a to 2e in which the presence of a radio transmitter 3 carried with the user 4 can be seen.
The areas 2a to 2e are used to determine the position of the user 4, including the distance from the user to the vehicle 1 and the direction in which the user moves, and cover a range of about 1.5m, respectively, although the present invention is not limited thereto.
The area 2a is arranged in the area of the front door on the driver's side, the area 2b is arranged in the area of the rear door on the driver's side, the area 2c is arranged in the rear trunk area, the area 2d is arranged in the area of the charging socket of the vehicle 1 and is provided with an area 2e covering the secondary driver's side
Furthermore, two near field communication areas 5a and 5b are provided, which in this embodiment provide bluetooth communication, wherein the near field communication area 5a extends from the front of the vehicle 1 and the near field communication area 5b extends in the rear of the vehicle 1. The near field communication areas 5a and 5b have an active range of about 10m, however, the present invention is not limited thereto.
The user 4 also has a mobile terminal device with him, which in the present exemplary embodiment is designed as a smartphone 6 and is provided for communication via bluetooth.
Fig. 1 also shows a charging post 7, which is recognized, for example, as a location of interest and at which a user can charge the electric vehicle 1.
Fig. 2 shows a control device 10 of the vehicle 1, which has a processor 11, a memory 12 (for example a working memory and a read-only memory), and an interface 13, which is provided for receiving radio signals of the radio transmitter 3, for communicating via a mobile radio and wirelessly via bluetooth.
Furthermore, the control device 10 is connected to an electrical energy accumulator 14 (for example, a lithium ion battery).
For each area 2a to 2e, a corresponding antenna 15a to 15e is provided in each case for communication with the radio transmitter 3, which antenna is able to receive radio signals emitted by the radio transmitter 3, so that the control device 10 can determine the position of the radio transmitter 3 and therefore of the user 4 carrying it, based on the different signal strengths of the radio signals received by the antennas 15a to 15e, wherein the position includes the distance from the vehicle (for example in which area 2a to 2e the user 4 with the radio transmitter 3 is located) and the direction of movement.
Furthermore, at least one first antenna 16 for communication with the mobile radio network and at least one second antenna 17 for bluetooth communication with the smartphone 6 are provided (or for example antennas for the near field communication area 5a and the near field communication area 5b, respectively). Here, the first and second antennas 16 and 17 may be separate antennas having two functions.
Furthermore, the control device 10 has a navigation unit 18 with an antenna 19 for receiving satellite navigation signals (GPS, galileo, etc.).
An embodiment of the method 20 is described below with reference to the flowchart shown in fig. 3, wherein the method 20 is generally performed by the control device 10 of fig. 2.
After the start, the method 20 determines the location of the vehicle 1 in 21. For this purpose, the vehicle 1 receives satellite navigation signals via an antenna 19 and on the basis thereof the navigation unit 18 of the control device 10 determines the current location of the vehicle 1. Furthermore, the control device 10 determines a location of interest in the surroundings of the vehicle 1, for example a charging post 7 located in the vicinity of the vehicle 1. As described above, other locations of interest may also be determined, such as home (living room), workplace, shopping venue (supermarket, hygiene store, pharmacy), restaurant, and the like.
The method 20 determines 22 the charging condition of the electrical energy accumulator 14 (fig. 1). For this purpose, the control device 10 determines, for example, the current state of charge of the electrical energy store 14 and evaluates data and charging conditions that are relevant for high-voltage (HV) charging, such as, for example, a charging schedule other than the state of charge, charging expectations, auxiliary devices for the low-voltage network, air conditioning devices, battery conditioning devices, etc. Furthermore, it is evaluated (for example during the movement of the user 4 away from the vehicle 1) whether a charging condition is fulfilled or whether charging is necessary without being initiated by the user 4, for example, in the case of a charging-expected waiting process.
The method 20 determines the position of the user 4 in 23 as described above by correspondingly evaluating the radio signals of the radio transmitter 3, wherein the position of the user 4 comprises the distance of the user 4 from the vehicle 1 and the direction of movement of the user 4.
The method 20 determines at 24 whether a mobile wireless network is available at the location of the vehicle 1.
The method 20 determines in 25 whether a message should be sent to the user 4, in what route and what content the message should have.
The method 20 then sends a message to the user 4 in 26 on the basis of the result of the determination at 25, i.e. on the basis of the determined location, the determined charging conditions and the determined position (and if necessary on the basis of the presence of a mobile radio network).
In some of these scenarios, the emphasis is on user safety, e.g. by giving special preferences to the drivability of the vehicle 1 and/or by giving special preferences to the availability of the user 4.
For example, it may be highly preferred that the charge state of the electrical energy store 14 is sufficient anyway for driving home, driving to work or driving to the nearest charging point.
It may also be of high priority to inform the user 4 anyway, in particular when it is determined in 25 that communication via the mobile radio network is not possible at the current location.
Thus, for example, when the user 4 exceeds a certain distance threshold, the user 4 can be immediately informed by near field communication that the charging, for example at a charging post, is not effective or that the charging state is not sufficient for a longer time in the current location, since, for example, a faster decrease in the charging state is to be expected due to a lower temperature.
Or the vehicle is in the vicinity of a home address, in the evening the user 4 does not lock the charging plug or forgets to verify the start of the charging process, etc., although the charging plug has been connected to the charging socket of the vehicle 1. The state of charge of the electrical energy store 14 is, however, too low to be sufficient to reach the operating position on the following day (or no longer sufficient for the return trip).
The message sent to the user's smartphone 6 is for example as follows:
"if you want to go your planned travel on your tomorrow, you must start charging" and/or
"your charging plug is plugged in, but not locked. Please check your charging plug. ", a
These messages are sent as push messages at 26 to the smartphone 6 via near field communication (bluetooth) so that neither a mobile wireless network nor an internet connection is required.
The sequence of steps 21 to 25 is not fixed and can be changed arbitrarily. Steps 21 to 26 may also be performed (partially) in parallel or iteratively. Furthermore, steps 25 and 26 can be considered as one step performed by a complex algorithm, for example.
The method 20 may also be in the form of a computer program containing instructions that, when executed, cause a computer to perform the method 20.
Three scenarios for using the method 20 are described below with reference to fig. 1, 2 and 3.
The first embodiment:
the user goes from the workplace to a home, which is located in the third floor, and parks his/her vehicle alongside the street (step 21, the location of the vehicle is determined).
The method 20 determines that the user 4 wants to take a longer trip the next day and wants to get into the air-conditioned vehicle in the morning (e.g. according to calendar entries and weather data), however the current SOC (state of Charge) is not sufficient (step 22, determining charging conditions).
The user 4 inserts the charging plug of the charging post 7 into the charging socket of the vehicle 1 and starts charging the battery 14.
The user then moves away from the vehicle 1 in the direction of the home (step 23, the position of the user 4 is determined).
The method 20 determines that charging cannot be started (step 22, charging condition is determined) because the charging condition is not satisfied (charging plug cannot be locked) or because the charging post 7 determines a failure/cannot supply current, etc.
Furthermore, the method 20 recognizes that the user 4 has exceeded the distance threshold and that the user is likely to travel to his home (step 23 (determining the user's position) in combination with the location of the vehicle determined in 21).
After the method 20 determines that the charging (precondition) condition is not fulfilled, a message is sent to the user 4, i.e. the user's smartphone 6, by near field communication when the threshold value is exceeded (step 25) (step 26, send message): "charging of your vehicle cannot start. Please check your charging plug "and/or: "if you want to travel to the destination specified in your calendar on your tomorrow, you must start charging. You plug in the charging plug and start the charging process. ", a
Second embodiment:
the user 4 parks the vehicle 1 in the blankness forest (step 21, determines the location of the vehicle) wherein there is no mobile radio network coverage (step 24, determines whether a mobile radio network is available). The user 4 leaves the vehicle vicinity (i.e., one of the zones 2a-2 e), which is correspondingly recognized by the method 20 (step 23, determining the user's location).
Furthermore, it is recognized that the available energy of the battery 14 changes as a result of a change in the environmental conditions (temperature decrease) (step 22, charging conditions are determined).
A message in the form of a warning alert is thus notified to the user 4 on his smart device 6 by near field communication (i.e. without the need for the internet) when leaving the vehicle vicinity (one of the zones 2a-e) (step 26, sending the message, in conjunction with step 25), letting the user have to pay attention to: "temperature at your current location changes, which may adversely affect your vehicle battery.
a) If you want to air-condition on the return trip and drive directly back to your place of residence and charge there, you stay for only 2 hours and then drive directly to your place of residence.
b) If you want to use the nearest charging place in "XY", you can stay at the current place for 2 hours and 38 minutes. ", a
If no near field communication is preset and a message is sent when the threshold is exceeded, the user may be faced with the situation in this example that the power still available after the user returns is not sufficient for the return trip, and may not even be sufficient to reach the nearest charging point, due to battery temperature regulation.
Especially when no (mobile radio) network is available or in the face of a network failure, then the last notification when the user 4 leaves the vicinity of the vehicle 1 (areas 2a-e in fig. 1) and before leaving the near field communication area (15a or 15b) may be the last "last resort" when data important for charging (e.g. temperature in the example) may change.
The third embodiment:
the user 4 wants to go to a shopping or cafe and park his vehicle 1 at the charging post 7 and start charging the battery 14.
The method 20 determines that the required minimum SOC cannot be reached during the charging time, whereas nearby charging rigs are able to provide more power (step 21, determine location and determine nearby charging piles and the user 4 wants to go to shopping (due to the presence of a supermarket nearby), and step 22, determine charging conditions).
However, it is also possible that the user 4 is in a hurry and forgets his authentication at the charging post 7 or that the authentication is not successful, etc., without the user 4 noticing this.
By means of the position determination (step 23) of the user, the distance to the vehicle and the direction of movement away from the vehicle 1 are determined, and it is determined that the user 4 is likely to go to a shopping or to his "favorite cafe" (determined in step 21, taking into account the location of interest, where the supermarket or "favorite cafe" is the location of interest).
When the threshold value is exceeded, i.e. when the user 4 leaves the vicinity 2a-e, the method 20 sends a message to the smartphone 6 of the user 4 that a corresponding operation has yet to be performed (e.g. finding another charging post, forgetting authentication, etc., step 26, sending a message).
Thus, the user 4 is not notified when sitting in a supermarket or with a friend in a cafe, but is already notified when being in the vicinity of his vehicle 1.
Other scenarios or examples include the following, for example, alone or in (any) combination:
the user's charging schedule and/or calendar, expected power of the charging post over time, charging preconditions (as described above), time of day (start of work, end of work, night rest, duration of shopping, etc.), etc. are analyzed.
Furthermore, the time periods during which the user usually stays in certain POIs (points of interest) can be taken into account, which has an effect on aspects that are important for charging (for example, the user wants to hike on a mountain on weekdays, the state of charge of the battery is not returned enough after the end of the hiking or is not driven enough to the nearest charging point due to the temperature dips published in the weather data).
As mentioned, it is also possible to be independent of the mobile network and to be able to communicate, i.e. to send messages, in a (near field communication) area around the vehicle, in which (near field communication) in-vehicle communication with the mobile terminal device of the user is possible.
The message may also optionally contain a cause of the impeded charge and/or remedial action.
List of reference numerals
1 vehicle
2a-e region (vicinity region)
3 radio transmitter
4 user
5a, b near field communication area
6 Mobile terminal equipment (Intelligent mobile phone)
7 charging pile (interested place)
10 control device
11 processor
12 memory
13 interface
14 electric energy accumulator
15a-e antennas for areas 2a-e
16 mobile radio antenna
17 antenna for near field communication
18 navigation unit
19 antenna for satellite navigation signals
20 method
21 determining the location of a vehicle
Determining charging conditions 22
23 determining the position of the user
24 determining that a mobile wireless network is available for use
25 determining message sending
26 sending messages
Claims (15)
1. A method for notifying a user (4) of a vehicle (1), the vehicle (1) having at least one electrical energy accumulator (14), the method comprising:
determining (21) the location of the vehicle (1),
determining (22) a charging condition of the electrical energy accumulator (14),
determining (23) the position of the user (4) of the vehicle (1), and
-sending (26) a message to the mobile terminal device (6) of the user (4) depending on the determined location, the determined charging conditions and the determined position of the user (4).
2. The method according to claim 1, wherein the determination of the position of the user (4) comprises a determination of a distance between the user (4) and the vehicle (1).
3. Method according to claim 2, wherein a message is sent to the mobile terminal device (6) when the distance exceeds a preset threshold.
4. Method according to one of the preceding claims, wherein the determination of the position of the user (4) comprises a determination of a direction of movement of the user (4) and a message is sent to the mobile terminal device (6) depending on the determined direction of movement.
5. Method according to one of the preceding claims, wherein the charging conditions comprise charging preconditions and/or a charging state.
6. The method of claim 5, wherein the charging precondition comprises at least one of the following charging preconditions: locking of charging plugs, charging pile faults, charging plans, availability of charging piles, availability of vehicles without vehicle slipping prevention, and availability of electric energy accumulators.
7. The method according to one of the preceding claims, wherein the determination of the location of the vehicle (1) comprises a determination of a location (7) of interest.
8. The method according to claim 7, wherein it is determined whether the user (4) intends to go to the place of interest based on the location and the locus of the user (4).
9. The method according to one of the preceding claims, wherein the method further comprises determining (25) whether a mobile radio network is available at the determined location.
10. The method of claim 9, wherein the message is sent based on the determined availability of the mobile wireless network.
11. Method according to one of the preceding claims, wherein the message is transmitted to the mobile terminal device (6) by means of wireless near field communication.
12. Method according to claim 11, wherein the message is sent to the mobile terminal device (6) if the mobile terminal device (6) is located in the area of near field communication.
13. Method according to one of the preceding claims, wherein the message is sent as a push message to the mobile terminal device (6).
14. A control device (10) for a vehicle (1), the vehicle (1) having at least one electrical energy accumulator (14), wherein the control device (10) is provided for carrying out the method (20) according to one of the preceding claims.
15. Vehicle (1) having at least one electrical energy accumulator (14) and at least one control device (10) according to claim 14.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018222867.1A DE102018222867A1 (en) | 2018-12-21 | 2018-12-21 | Method for notifying a user of a vehicle, control system and vehicle |
| DE102018222867.1 | 2018-12-21 | ||
| PCT/EP2019/085031 WO2020126882A1 (en) | 2018-12-21 | 2019-12-13 | Method for alerting a user of a vehicle, controller and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113453948A true CN113453948A (en) | 2021-09-28 |
Family
ID=69147589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980091800.XA Pending CN113453948A (en) | 2018-12-21 | 2019-12-13 | Method for notifying a user of a vehicle, control device and vehicle |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3898319A1 (en) |
| CN (1) | CN113453948A (en) |
| DE (1) | DE102018222867A1 (en) |
| WO (1) | WO2020126882A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4254366A1 (en) * | 2022-03-28 | 2023-10-04 | Ningbo Geely Automobile Research & Development Co. Ltd. | Method and system for controlling notification of vehicle status to a user |
| DE102022118480A1 (en) | 2022-07-25 | 2024-01-25 | Bayerische Motoren Werke Aktiengesellschaft | Means of transport, driver assistance system and procedures for dealing with a breakdown |
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Also Published As
| Publication number | Publication date |
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| DE102018222867A1 (en) | 2020-06-25 |
| WO2020126882A1 (en) | 2020-06-25 |
| EP3898319A1 (en) | 2021-10-27 |
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