KR20120116162A - Apparatus and method for guiding route consider charge and discharge time of electric vehicle - Google Patents

Abstract

PURPOSE: A route guiding device considering charging and discharging time of an electronic vehicle and a method thereof are provided to determine a current charged battery, a battery charged in driving, and whether or not driving to a destination through an user terminal being mounted and installed in an electronic vehicle and to enable to receive stopover information from the user terminal when driving to the destination is impossible. CONSTITUTION: A route guiding device considering charging and discharging time of an electronic vehicle comprises a voltage sensor unit(106), an input unit(108), a controlling unit(102), and a display unit(112). The voltage sensor unit senses a battery voltage of an electronic vehicle. Destination information is input to the input unit. The controlling unit performs a navigation function. The controlling unit confirms a charged battery based on sensed information transmitted from the voltage sensor unit, thereby calculating a driving possible distance. The controlling unit compares a driving distance from a current location to the destination based on the destination information, thereby providing route and stopover information. The display unit displays the route and stopover information transmitted from the controlling unit. [Reference numerals] (102) Controlling unit; (104) GPS receiving unit; (106) Voltage sensor unit; (108) Input unit; (110) Transmitting-receiving unit; (112) Display unit; (114) Audio unit; (116) Memory unit; (120) Battery amount calculation unit; (122) Path calculating unit

Description

Apparatus and method for route guidance considering charging and discharging time of electric vehicle {APPARATUS AND METHOD FOR guiding route CONSIDER CHARGE AND DISCHARGE TIME OF electric vehicle}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a route guidance technology of an electric vehicle. In particular, the navigation function is performed through a user terminal mounted or mounted in an electric vehicle, and the driving distance is calculated by sensing the amount of battery of the electric vehicle. The present invention relates to a route guidance device and method considering charging and discharging time of an electric vehicle suitable for providing an optimal route and intermediate waypoint information by comparing the distance traveled to the destination.

Recently, various researches and developments on hybrid electric vehicles (HEV) and electric vehicles (EV) are being conducted.

Unlike general vehicles, hybrid electric vehicles and electric vehicles control electric motors with high-voltage, high-capacity batteries to start the vehicle, add starting torque when starting the vehicle, assist engine torque while driving, stop the engine when the vehicle stops, restart after idle stop, etc. The energy charging of the battery is performed by controlling the motor driving through the energy discharge of the battery and controlling the motor generation by generating power at the stop and generating power while driving.

In general, electric vehicles, hybrid electric vehicles and other special vehicles driven by using electric energy, use the electric energy charged in the battery to travel, and consume more electric energy than the electric energy charged during driving. If you drive more than one limit, you will run out of battery capacity.

Therefore, when an electric vehicle driver cannot reach the destination before all the batteries in the vehicle are exhausted and discharged, the electric vehicle driver should charge the battery at the charging station that charges the battery or replace the discharged battery with a fully charged battery. Different services can be provided, such as replacement, fast charging, and slow charging, and the driver who is not aware of this could exponentially increase the arrival time of the destination depending on which charging station is being charged.

In the driving method of the electric vehicle according to the prior art operating as described above, since the distance that can be driven by the battery mounted on the electric vehicle is limited, it is necessary to perform charging at the electric charging station after driving a certain distance. .

But electric vehicles need to be charged for a fairly long time, with charging times ranging from three hours to nine hours. Therefore, there is no problem when parked in a parking lot or when stopping for a long time, but there is no solution for traveling long distances.

Accordingly, an embodiment of the present invention performs a navigation function through a user terminal mounted or mounted in an electric vehicle, and calculates a driving distance by sensing the amount of battery of the electric vehicle, thereby driving distance and a destination that can be reached with the current amount of battery. It is possible to provide a route guidance apparatus and method in consideration of the charging and discharging time of the electric vehicle that can recommend the optimal route and intermediate waypoints by comparing the distance to.

In addition, the embodiment of the present invention senses the current amount of battery through the user terminal, and predicts the amount of electricity charged by the battery when driving to the destination to provide the charging and discharging time of the electric vehicle that can provide the moving distance information It is possible to provide a route guidance apparatus and method considered.

According to an embodiment of the present invention, a route guidance device considering charging and discharging times of an electric vehicle includes: a voltage sensor unit sensing a battery voltage of the electric vehicle, an input unit for receiving destination information, and a navigation function; A controller that checks the amount of battery based on the sensing information received from the unit, calculates a driving distance, and provides a route and intermediate waypoint information by comparing the distance traveled from a current position to a destination, the route received from the controller and It may include a display unit for displaying the intermediate waypoint information.

The controller may further include: a battery amount calculator configured to calculate maximum travel distance information including the travelable distance, and a predicted travel distance capable of traveling with an amount of electricity charged when the vehicle travels by the travelable distance; The apparatus may include a route calculator configured to determine whether driving from a current location to a destination is possible based on distance information and calculating route information via a charging station when driving to the destination is not possible.

The controller may include a battery amount calculator configured to check a battery amount in real time based on the sensing information and calculate a distance that can be traveled with the identified battery amount, and whether to drive from a current position to a destination based on the distance that can be driven. If it is determined that it is impossible to drive to the destination may include a route calculation unit for calculating route information via the charging station.

The controller may further include: a battery amount calculating unit configured to check a battery amount in real time based on sensing information while charging a battery at a charging station, and to calculate a distance that can be traveled with the identified battery amount; and from a current position to a destination based on the available distance. If it is determined that driving is possible and the driving to the destination is predicted, the driving apparatus may further include a route calculating unit which transmits message information indicating that driving to the destination can be performed with the current amount of battery.

The route guidance device may include a GPS receiver for receiving a GPS signal from at least one GPS satellite and transmitting the GPS signal to the controller, and includes map information, route information, voice guidance information, and charging station information. The apparatus may further include a memory unit configured to transmit information, an audio unit configured to output the voice guidance information, and a transceiver configured to transmit and receive real time traffic information and navigation data update information.

The intermediate waypoint information may be at least one of charging station location information, business hours information, whether the charging station is fast or slow charging, or whether the battery replacement service is provided.

In one embodiment of the present invention, a route guidance method considering charging and discharging times of an electric vehicle includes driving a navigation function of a user terminal mounted or mounted on an electric vehicle, and sensing a battery voltage of the electric vehicle by a voltage sensor unit. Process, inputting a destination from the input unit, and calculating a driving distance based on the amount of battery based on the sensing information transmitted from the voltage sensor unit, and calculating a route by comparing the driving distance from the current position to the destination. And controlling the provision of intermediate waypoint information, and displaying, by the display unit, the route and intermediate waypoint information received from the controller.

The controlling may include calculating the maximum driving distance information including the driving distance and a predicted driving distance capable of traveling with an amount of electricity charged when the vehicle is driven by the driving distance. And determining whether to travel from the current location to the destination based on the information, and calculating route information via the charging station when the vehicle cannot travel to the destination.

In the present invention, effects obtained by representative ones of the disclosed inventions will be briefly described as follows.

The present invention can determine whether to drive to the destination, including the current amount of battery and the amount of battery charged while driving through the user terminal mounted or mounted on the electric vehicle, and if it is impossible to move to the destination from the user terminal Since the waypoint information can be provided, user convenience can be improved.

In addition, it is possible to minimize the arrival time to the destination by minimizing the waiting time due to the charging at the intermediate waypoints during the route guidance, thereby making it possible to supplement the restrictions of the electric vehicle to some extent.

1 is a block diagram showing the structure of a user terminal according to an embodiment of the present invention;
2 is a flowchart illustrating a procedure for calculating route information according to a battery amount of an electric vehicle in a user terminal according to an embodiment of the present invention;
3 is a flowchart illustrating a route information calculation procedure according to the amount of batteries charged in an electric vehicle in a user terminal according to an exemplary embodiment of the present invention.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like numbers refer to like elements throughout.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

An embodiment of the present invention is to sense the amount of battery of the electric vehicle to calculate the driving distance, to recommend the optimal route and intermediate waypoints by comparing the distance between the driving distance and the destination that can go to the current battery amount.

In addition, by sensing the current amount of battery through the user terminal, and predicts the amount of electricity charged by the battery when driving to the destination to provide the total mileage information that can be moved, thereby allowing the driver the current amount of battery and the battery charged during driving It may be determined whether to drive to the destination, including the amount, and if it is impossible to move to the destination, the intermediate waypoint information (for example, charging station) can be provided from the user terminal.

1 is a block diagram showing the structure of a user terminal according to an embodiment of the present invention.

Referring to FIG. 1, the user terminal 100 is mounted or mounted on an electric vehicle, and includes a control unit 102, a GPS receiver 104, a voltage sensor unit 106, an input unit 108, a transceiver unit 110, The display unit 112, the audio unit 114, and the memory unit 116 may be included, and the controller 102 may include a battery amount calculator 120, a path calculator 122, and the like. .

The user terminal 100 may include both an electronic device and a computing device that a user can carry, such as a mobile communication terminal, a smart phone, a PMP, a PDA, a notebook computer, a netbook, a navigation device, and the like.

In detail, the controller 102 may control the respective functional blocks and perform route guidance based on the map data stored in the memory unit 116. The GPS receiver 104 may receive GPS signals transmitted from a plurality of GPS satellites, and the received GPS signals may be transmitted to the controller 102 so that the controller 102 may determine a current position based on the GPS signals.

The voltage sensor unit 106 is a sensor connected to the battery of the electric vehicle and can sense the voltage of the battery in real time, and can sense the electric consumption and the electric charge of the battery, respectively. The sensed information may be transmitted to the controller 102.

The input unit 108 may include a plurality of keypads or may be implemented in a touch screen format on the display unit 112 whenever necessary, instead of using a physical keypad. The input unit 108 may correspond to a predetermined key or key. When the area is pressed, a command signal may be generated and output to the controller 102. When the user inputs destination information, a command signal corresponding to the destination information may be transmitted to the controller 102.

The transceiver 110 refers to a comprehensive component of a processor, an intermediate frequency processor, and a baseband processor. The transceiver 110 primarily processes voice and various multimedia data from an external wireless communication network received through an antenna ANT at a wireless communication band frequency. Then, the intermediate frequency processing for lowering it back to a low frequency band, and may be processed again as a signal of a frequency band that can be processed by the control unit 102.

That is, the transceiver 110 performs transmission and reception of traffic information, map data, and the like in connection with a network, and may apply a communication method such as mobile communication, digital multimedia broadcasting (DMB), and WiBro.

The display 112 displays various information of the user terminal 100 under the control of the controller 102, and receives and displays input data generated by the input unit 108 and various information signals of the controller 102. have. In addition, map information, route guidance information, intermediate waypoint information, current battery information, real time charging information, and the like stored in the memory unit 116 may be received from the controller 102 and displayed.

The audio unit 114 may modulate a voice signal input through the microphone MIC into a wireless signal under the control of the control unit 102, and demodulate the received wireless signal and transmit the demodulated wireless signal to the speaker SPK as a voice signal. . In addition, the voice guidance data stored in the memory unit 116 may be received from the control unit 102 for route guidance and transmitted to the speaker.

The memory unit 116 may store an operation program for operating the user terminal 100, and may store various applications that may operate by controlling each function block in the user terminal 100. For example, the navigation application may be driven under the control of the controller 102 to provide traffic information and a driving route.

In addition, the control unit 102 may transfer the sensing information received from the voltage sensor unit 106 to the battery amount calculating unit 120, so that the battery amount calculating unit 120 may calculate the current battery amount of the electric vehicle. In addition, the driving distance that can go to the current battery amount can be calculated based on the electricity consumption compared to the preset driving distance.

The route calculator 122 may calculate various routes from the current location to the destination input by the user, and the user may display a preset route (eg, highway priority, national highway priority, shortest route, etc.) through the display 112. Can be output to And by receiving the distance information that can be run on the current battery from the battery amount calculation unit 120 and compares it with the estimated driving distance to the destination based on this, when driving to the destination with the current amount of battery calculates the route information to the destination However, when driving to the destination is not possible due to the current amount of battery, the route information via the intermediate waypoint, that is, the charging station may be calculated and provided to the user before the destination.

As such, the route calculating unit 122 periodically charges the charging station information through the transceiver 110 (charging station location information, operating time information, fast / low speed charging, battery replacement service provision information, etc.). Whether to replace the battery, etc.) can be received, and based on this, the user can be provided with route information via the charging station.

Accordingly, when the distance that can be driven by the current battery amount cannot reach the destination, the user may primarily provide the charging station information of the shortest distance to the user, and in detail, the low-speed charging station information may be provided after the fast charging station. Through this, the user can be provided with the charging information of the shortest distance, and the battery exchange / fast / low speed charging station information is provided, so that the user can select the path of the fast charging station when fast driving is required.

That is, the battery of the electric vehicle can be basically charged at the charging station, and the battery discharged in a detachable manner can be replaced with a fully charged battery. Accordingly, when the electric vehicle is capable of replacing the battery, the user may set the priority service in the route calculating unit 122 or the memory unit 116 so that the user may drive to the charging station with reference to the charging station information. Can be.

On the other hand, the battery amount calculator 120 determines the amount of electricity charged by the battery while driving, and includes both a driving distance capable of going to the current battery quantity and a predicted driving distance information that can be driven by the amount of electricity charged when driving. The maximum driving distance information that can be driven can be calculated.

In detail, the method of determining the amount of electricity charged by the battery as the driving distance or the predicted driving distance by the amount of electricity charged when the vehicle is driven may be determined based on preset information. The preset information may be stored in the memory unit 116, and may include an electric consumption amount (eg, 4 km / kwh) compared to a driving distance, an electric charge amount (eg, 0.05 km charging per 1 km when the vehicle is driven), and the like. Can be.

Herein, when the preset information is 4 km / kwh, it may be determined that driving of about 100 km is possible when the amount of electricity currently charged in the battery is 25 kwh.

In addition, when the predetermined information on the amount of electricity that can be charged while driving is 0.05khw per km, and when the distance from the current location to the destination is 100km, charging of 5kwh can be expected.

Therefore, the maximum driving distance (120 km) can be calculated through the sum of the driving distance (100 km) and the predicted driving distance (5 kwh = 20 km). Here, the driving distance may be further increased by the estimated driving distance (5kwh = 20km) according to the charging of the battery, and the additional driving distance may be calculated for the 20km and reflected in the maximum driving distance.

The maximum mileage calculation may be calculated by setting at least one of non-reflected, once-reflected, multiple predicted mileages, and non-reflected light when the at least one predicted mileage is less than 1 km according to a setting method. .

Meanwhile, the preset information may be updated periodically. That is, since the battery amount calculating unit 120 may check the battery consumption and the amount of charge of the battery while driving through the voltage sensor unit 106 in real time, when the driving is completed from a specific position to the destination, You can check the electricity consumption and battery charge.

In this way, the change of the preset information or the derivation of the average value is performed by comparing the electric consumption amount with respect to the mileage included in the preset information and the electric charge amount with respect to the mileage (for example, the electric consumption and the mileage compared to the mileage derived at least five times). A comparison or comparison of electric charge amount and preset information can be used to derive a change or average value. The calculated maximum mileage information may be transmitted to the route calculator 122, and the route calculator 122 may provide route information based on the maximum mileage information.

However, even when the maximum mileage is shorter than the mileage to the destination, it is possible to provide a user with a recommended route via the intermediate waypoint, and when there is no intermediate waypoint, the public transport linkage scheme stored in the memory unit 116 is provided. Information can be displayed.

2 is a flowchart illustrating a procedure of calculating route information according to a battery amount of an electric vehicle in a user terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 2, in step 200, after turning on the power, the user terminal 100 drives a navigation mode or executes a navigation application. In operation 202, the battery amount calculator 120 of the controller 102 checks the current battery amount of the vehicle based on the voltage sensing information transmitted from the voltage sensor unit 106, and calculates a driving distance based on the battery amount. .

In step 204, when the destination information is input from the user, the route calculator 122 calculates the driving distance from the current position to the destination in step 206.

In this case, in step 208, the path calculator 122 asks the user whether to reflect the prediction information of the electric energy charged by the battery while driving in the driving distance. That is, when the electric vehicle can perform the battery charging function while driving, and when the user requests to reflect the charging prediction information, the battery proceeds to step 210 and the charge that can be charged when proceeding to the destination is calculated. Reflecting the prediction information, the final mileage that can proceed to the destination with the current battery amount is calculated and the process proceeds to step 212.

However, if the electric vehicle does not have a battery charging function while driving or if the user does not reflect the charging prediction information, the process proceeds to step 212.

Accordingly, in step 212, the route calculating unit 122 compares the driving expected distance from the current position to the destination and the driving possible distance that can be driven by the current battery amount. Proceed to calculate the route information via the intermediate waypoint, that is, the charging station to provide the calculated route information to the user through the display 112.

However, if the estimated driving distance is shorter than or equal to the driving distance in step 212, the route information for reaching the destination without calculating the intermediate waypoint is calculated and provided to the user through the display unit 112.

3 is a flowchart illustrating a route information calculation procedure according to the amount of batteries charged in an electric vehicle in a user terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 3, in step 300, a battery of an electric vehicle is charged at a charging station. In step 302, the battery amount calculator 120 receives voltage sensing information from the voltage sensor unit 106 even in a charged state. The distance that can be driven by the real-time battery amount is calculated.

Accordingly, the route calculating unit 122 compares driving distance information capable of driving with the current battery amount received in real time through the battery amount calculating unit 120 at step 304 and predicts driving by comparing the driving distance from the current position to the destination. If the distance is farther than the distance that can be driven by the current battery level, the process proceeds to step 306 to maintain the current state of charge.

However, if the driving distance is shorter than or equal to the driving distance of the battery by comparing the driving distance information that can be driven by the current battery amount with the expected driving distance from the current position to the destination, proceed to step 308 and the current battery amount In this case, the display unit 112 provides message information indicating that driving to the destination is possible.

Through this, the user can determine whether driving to the destination can be performed even when the battery is not fully charged, and the additional time required to fully charge the battery can be reduced.

As described above, the present invention provides the optimal route and waypoint information by comparing the distance between the driving distance and the destination that can be reached by the current battery amount by calculating the driving distance by sensing the battery amount of the electric vehicle. .

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, but is capable of various modifications within the scope of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the scope of the appended claims, and equivalents thereof.

As described above, the route guidance apparatus and method in consideration of the charging and discharging time of the electric vehicle according to the present invention includes the current amount of battery and the amount of battery charged while driving to the destination through a user terminal mounted or mounted in the electric vehicle. It is possible to determine whether it is driving, and if it is impossible to move to the destination, the intermediate waypoint information can be provided from the user terminal, so it can be charged at the intermediate waypoint before the electric vehicle is discharged, and by minimizing the waiting time due to the charging at the intermediate waypoint. The arrival time to the destination can be minimized, which is suitable for compensating to some extent the limitations of electric vehicles.

100: user terminal 102: control unit 104: GPS receiver
106: voltage sensor unit 108: input unit 110: transmitter
112: display unit 114: audio unit 116: memory unit
120: battery amount calculator 122: path calculator

Claims (8)

A voltage sensor unit for sensing a battery voltage of the electric vehicle;
An input unit for receiving destination information,
Performs a navigation function, calculates the available distance by checking the amount of battery based on the sensing information received from the voltage sensor unit, and calculates the route and intermediate waypoint information by comparing the traveling distance from the current location to the destination based on the destination information. A control unit providing a,
A display unit for displaying the route and intermediate waypoint information received from the control unit
Route guidance device considering the charging and discharging time of the electric vehicle comprising a. The method of claim 1,
The control unit,
A battery amount calculating unit configured to calculate maximum travel distance information including the travelable distance and a predicted travel distance that can travel with the amount of electricity charged when the vehicle travels by the travelable distance;
The route calculation unit determines whether the vehicle can travel from the current location to the destination based on the maximum driving distance information, and calculates route information via the charging station when the vehicle cannot travel to the destination.
Route guidance device in consideration of the charging and discharging time of the electric vehicle comprising a. The method of claim 1,
The control unit,
A battery amount calculating unit which checks the battery amount in real time based on the sensing information and calculates a distance that can be driven with the identified battery amount;
The route calculation unit determines whether the vehicle can travel from the current location to the destination based on the available distance, and calculates route information via the charging station when the vehicle cannot travel to the destination.
Route guidance device in consideration of the charging and discharging time of the electric vehicle comprising a. The method of claim 1,
The control unit,
A battery amount calculating unit which checks the battery level in real time based on the sensing information while charging the battery at the charging station, and calculates a distance that can be traveled with the identified battery amount;
On the basis of the available distance, if it is determined whether the driving from the current position to the destination is estimated to be able to travel to the destination, the route calculation unit for transmitting the message information that the driving to the destination with the current amount of battery to the display unit
Route guidance device considering the charging and discharging time of the electric vehicle, further comprising a. The method of claim 1,
The route guidance device,
A GPS receiver which receives a GPS signal from at least one GPS satellite and transmits the GPS signal to the controller;
A memory unit including map information, route information, voice guidance information, charging station information, and transmitting the corresponding information at the request of the controller;
An audio unit for outputting the voice guidance information;
Transmitter and receiver for transmitting and receiving real-time traffic information and navigation data update information
Route guidance device considering the charging and discharging time of the electric vehicle, further comprising a. The method of claim 1,
The intermediate waypoint information,
At least one of charging station location information, business hours information, whether the charging station is fast or low-speed charging, battery replacement service, the route guidance device considering the charging and discharging time of the electric vehicle. Driving a navigation function of a user terminal mounted or mounted on an electric vehicle,
Sensing the battery voltage of the electric vehicle in the voltage sensor unit;
Receiving the destination from the input unit;
A control unit checks the amount of battery based on the sensing information transmitted from the voltage sensor unit, calculates a driving distance, and controls the provision of route and intermediate waypoint information by comparing a driving distance from a current position to the destination;
Displaying, by the display unit, the route and intermediate waypoint information received from the controller;
Route guidance method considering the charging and discharging time of the electric vehicle comprising a. 8. The method of claim 7,
The control process,
Calculating maximum mileage information including the mileage distance and a predicted mileage distance that can travel with the amount of electricity charged when the vehicle is driven by the mileage distance;
Determining whether the vehicle is capable of traveling from the current location to the destination based on the maximum driving distance information, and calculating route information via the charging station when the vehicle cannot travel to the destination.
Route guidance method in consideration of the charging and discharging time of the electric vehicle comprising a.

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