KR102343194B1 - Charing control apparatus and method for electric vehicle and billing system using the apparatus and method - Google Patents

Abstract

Receives a charging approval message for an electric vehicle to be charged from the charging management server, starts charging the electric vehicle, accumulates and measures the amount of electric power being charged, recognizes the charging termination action detected by the user or the electric vehicle, and recognizes the accumulated measured electric energy Disclosed is an electric vehicle charging control device including a controller deriving charging information based on If the electric vehicle charging control device according to the present invention is utilized, there is an advantage that an electric vehicle can be charged at an electric vehicle-only fee in a general household.

Description

Electric vehicle charging control device and method, and electric vehicle charging and billing system using the same

The present invention relates to an electric vehicle charging control apparatus and method, and an electric vehicle charging and billing system using the same, and more particularly, to an electric vehicle charging control apparatus and method for charging electric vehicle charging, electric vehicle, charging management server, and electric vehicle using the same It relates to a charging billing system.

An electric vehicle charging system can be basically defined as a system that charges a battery mounted in an electric vehicle using power from a commercial power grid or energy storage device. Such an electric vehicle charging system may have various forms depending on the type of electric vehicle. For example, the electric vehicle charging system may include a conductive charging system using a cable or a non-contact wireless power transmission system.

In the case of charging using the wireless power transmission method, when it is necessary to charge the battery in the electric vehicle, the electric vehicle is a ground assembly (GA) located at a charging station or charging spots where the electric vehicle can be charged. ) will be moved to

When charging an electric vehicle, a vehicle assembly (VA) mounted on the electric vehicle performs inductive resonance coupling with a power transmission pad of a ground assembly (GA) located at a charging station or charging spots. and charging the battery of the electric vehicle using the power transmitted from the ground assembly through inductive resonance coupling.

When charging an electric vehicle, a vehicle assembly (VA) mounted on the electric vehicle performs inductive resonance coupling with a power transmission pad of a ground assembly (GA) located at a charging station or charging spots. and charging the battery of the electric vehicle using the power transmitted from the ground assembly through inductive resonance coupling.

The electric vehicle charging system of the conductive charging method connects the inlet of the vehicle and the charging stand using the charging cable connected to the connector, and charges the alternating current (AC) power of the charging stand to the battery through the vehicle's on-board charger. is composed In addition, the electric vehicle charging system of the conductive charging method is configured to connect the inlet of the vehicle and the off-board charger using a fast charging cable to which the connector is connected, and to charge direct current (DC) power of the off-board charger to the battery of the vehicle. The vehicle's battery management system (BMS) communicates with a charging stand or off-board charger to charge the electric vehicle.

On the other hand, the existing electric vehicle charging system including a conductive charging system or a wireless power transmission system has a problem of increasing the communication cost burden on the user because a separate communication network must be used for charging and settlement. In addition, for payment for electric vehicle charging, it is necessary to use a standard or universally used payment device or method, and a separate security technology must be applied to secure the payment process, which increases the cost of equipment and complicates the use procedure. There is a downside to breaking it.

An object of the present invention for solving the above problems is to provide an electric vehicle charging control device that transmits and receives charging information to and from an electric vehicle using short-range wireless communication.

Another object of the present invention to solve the above problems is to provide an electric vehicle charging control method used by the electric vehicle charging control apparatus.

Another object of the present invention to solve the above problems is to provide a charging management server that interworks with the electric vehicle charging control device.

Another object of the present invention to solve the above problems is to provide an electric vehicle that transmits and receives charging information to and from the electric vehicle charging control device using short-range wireless communication.

In order to achieve the above object, an electric vehicle charging control device according to an embodiment of the present invention receives a charging approval message for an electric vehicle desired to be charged from a charging management server, starts charging the electric vehicle, and accumulates the amount of electric power to be charged. Measures, establishes a connection with a short-range wireless communication module mounted on the electric vehicle and a controller that recognizes the charging termination action detected by the user or the electric vehicle and derives charging information based on the accumulated amount of measured electric power, and transmits the charging information to the electric vehicle It may include a short-range wireless communication unit.

Here, the electric vehicle charging control device may include an in-cable control box or a power transmission pad.

Meanwhile, the short-range wireless communication unit may communicate with the short-range wireless communication module of the electric vehicle using a wireless LAN or Bluetooth.

The charging information may include at least one of identification information of a charging target electric vehicle, a charging start time, a charging end time, and a charging amount.

The controller may also determine the location information of the electric vehicle charging control device or the charging station and transmit the location information to the electric vehicle through the short-range wireless communication unit.

The incable control box may detect a connection between a charging connector connected to the incable control box and the electric vehicle and transmit information on the incable control box to the electric vehicle.

An electric vehicle charging control method according to an embodiment of the present invention for achieving the above other object may be performed by an electric vehicle charging control device, and includes the steps of receiving a charging approval message for an electric vehicle desired to be charged from a charging management server; Initiating charging of an electric vehicle and accumulating and measuring the amount of electric power being charged, recognizing a charging termination operation sensed by a user or the electric vehicle, and deriving the charging information based on the accumulated and measured electric energy, and storing the charging information in a short distance It may include transmitting to the electric vehicle using wireless communication.

The charging management server according to an embodiment of the present invention for achieving the above another object is connected to an electric vehicle desired to be charged, information on a charging control device that controls charging of the electric vehicle, information on the electric vehicle, and It receives the information on the electric vehicle user to determine whether to approve charging, transmits a charging approval message to the electric vehicle, and receives the charging information calculated according to the charging end to the electric power company as charging information for the electric vehicle or electric vehicle user providing a processor, at least one charging station, at least one charging control device, at least one electric vehicle, and a charging information storage unit for storing charging-related information for at least one electric vehicle user, and providing communication with the electric vehicle user It may include a communication interface that interworks with a mobile communication server and a power provider server.

An electric vehicle according to an embodiment of the present invention for achieving the above another object receives a charge approval message from a charge management server, transmits it to a charge control device, and charges the electric power supplied through the charge control device to a battery in the electric vehicle and receiving charging information from the charging control device using a charge controller and short-range wireless communication that provides the charging information received from the charging control device to the charging management server according to the charging termination operation, and moving to link with the charging management server A communication module may be provided by performing wireless transmission/reception with a communication network.

The communication module transmits the charging information to the mobile communication network using a telematics system (TMS) and wireless LAN communication or Bluetooth communication to receive charging information from the charging control device. It may include a communication module.

In the case of using the electric vehicle charging and billing system according to the embodiments of the present invention as described above, there is an advantage that an electric vehicle can be charged at an electric vehicle-only fee in a general household.

In addition, there is an advantage in that the system can be efficiently constructed using a relatively inexpensive short-distance wireless communication module, for example, a short-distance communication module such as Wi-Fi or Bluetooth, instead of a communication module supporting a mobile communication network.

In addition, when the electric vehicle charging control apparatus and method are combined with the vehicle remote control system, user convenience and marketability may be increased. That is, there is an advantage in that the remote charging control can be effectively performed using a user terminal such as a smart phone.

In addition, according to the present invention, it is possible to use a wall outlet installed in a general home or public facility for charging an electric vehicle, and it is possible to effectively implement an electric vehicle-only charging service for an electric vehicle having a telematics system (TMS) built-in.

In addition, in an in-cable control box (ICCB) and vehicle-to-vehicle wireless local area network (WLAN) communication environment, the wireless charging standard communication protocol (SAE J2836-6, IEC 61980-2) is used to charge electric vehicles and dedicated electric vehicles. There are advantages to implementing billing.

1 is a conceptual diagram for explaining a concept of wireless power transmission for an electric vehicle to which an embodiment of the present invention is applied.
2 is a conceptual diagram illustrating an electric vehicle wireless charging circuit according to an embodiment of the present invention.
3 is a conceptual diagram for explaining an arrangement concept in electric vehicle wireless power transmission according to an embodiment of the present invention.
4 is a conceptual diagram for explaining an electric vehicle charging and charging procedure according to the present invention in a wireless charging system.
5 is a conceptual diagram for explaining an electric vehicle wired charging method to which the electric vehicle charging and billing method according to the present invention can be applied.
6 is a conceptual diagram for explaining an electric vehicle charging and billing procedure according to the present invention in a wired charging system.
7 is a schematic block diagram of an electric vehicle charging system to which the electric vehicle charging control method according to an embodiment of the present invention can be applied.
8 is an operation flowchart of a method for charging and charging an electric vehicle according to an embodiment of the present invention.
9 is an operation flowchart of a method for charging and charging an electric vehicle according to another embodiment of the present invention.
10 is a block diagram of a charging control device according to an embodiment of the present invention.
11 is an operation flowchart of a charging control method according to an embodiment of the present invention.
12 is a block diagram of a charging management server according to an embodiment of the present invention.
13 is a block diagram of an electric vehicle according to an embodiment of the present invention.

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention. In describing each figure, like reference numerals have been used for like elements.

Terms such as first, second, A, and B may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. The term “and/or” includes a combination of a plurality of related listed items or any of a plurality of related listed items.

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

Some terms used in this specification are defined as follows.

Electric Vehicle (EV) may refer to an automobile defined in 49 CFR (code of federal regulations) 523.3 or the like. Electric vehicles can be used on highways and can be powered by electricity supplied from an on-board energy storage device, such as a rechargeable battery, from a power source external to the vehicle. Power sources may include residential or public electric services or generators using on-board fuel.

An electric vehicle (EV) may be referred to as an electric car, an electric automobile, an electric road vehicle (ERV), a plug-in vehicle (PV), a plug-in vehicle (xEV), etc. and xEV is BEV (plug-in all-electric vehicle or battery electric vehicle), PEV (plug-in electric vehicle), HEV (hybrid electric vehicle), HPEV (hybrid plug-in electric vehicle), PHEV (plug-in) hybrid electric vehicle) or the like).

A plug-in electric vehicle (PEV) may be referred to as an electric vehicle that is connected to a power grid to recharge a mass-loaded primary battery.

A plug-in vehicle (PV) may be referred to herein as a vehicle that can be recharged through a wireless charging method without using a physical plug and socket from an electric vehicle supply equipment (EVSE).

Heavy duty vehicles (H.D. Vehicles) may refer to any vehicle with four or more wheels as defined in 49 CFR 523.6 or CFR 37.3(bus).

A light duty plug-in electric vehicle has three or four wheels powered by an electric motor powered by a rechargeable battery or other energy device, primarily for use on public streets, roads and highways. It can refer to a vehicle with Lightweight plug-in electric vehicles may be specified with a total weight of less than 4.545 kg.

A wireless power charging system (WCS) may refer to a system for control between a GA and a VA including wireless power transmission and alignment and communication.

Wireless power transfer (WPT) may refer to transmitting electrical power from an alternating current (AC) power supply network such as a utility or a grid to an electric vehicle through a contactless means.

Utility provides electrical energy and is usually a set of systems including Customer Information System (CIS), Advanced Metering Infrastructure (AMI), Rate and Revenue system, etc. may be referred to as Utilities make energy available to plug-in electric vehicles through price tags or discrete events. In addition, utilities can provide information on tariff rates, intervals for metered power consumption, and validation of EV programs for plug-in EVs.

Smart charging can be described as a system in which EVSEs and/or plug-in electric vehicles communicate with the power grid to optimize the vehicle charge or discharge rate over time to grid capacity or cost-to-use ratio.

Automatic charging may be defined as an operation of inductive charging by placing a vehicle in an appropriate position with respect to a primary charger assembly capable of transmitting power. Automatic recharging can be performed after obtaining the necessary authentication and authorization.

Interoperability may refer to a state in which components of a system relative to each other can work together to perform a desired operation of the entire system. Information interoperability may refer to the ability of two or more networks, systems, devices, applications or components to share and easily use information safely and effectively with little or no inconvenience to a user. .

An inductive charging system may refer to a system that electromagnetically transfers energy in a forward direction from an electricity supply network to an electric vehicle through a transformer in which two parts are loosely coupled. In this embodiment, the inductive charging system may correspond to an electric vehicle charging system.

An inductive coupler may refer to a transformer that is formed of a GA coil and a VA coil and transmits power through electrical insulation.

Inductive coupling may refer to magnetic coupling between two coils. The two coils may refer to a ground assembly coil and a vehicle assembly coil.

A ground assembly (GA) may refer to an assembly disposed on the ground or infrastructure side including a GA coil and other suitable components. Other suitable components may include at least one component for controlling impedance and resonant frequency, ferrite for enhancing the magnetic path, and electromagnetic shielding material. For example, the GA may include wiring from a power/frequency converter, a GA controller, and a grid necessary to function as a power source of a wireless charging system, and wiring between each unit and filtering circuits, a housing, and the like.

A vehicle assembly (VA) may refer to an assembly disposed in a vehicle including a VA coil and other suitable components. Other suitable components may include at least one component for controlling impedance and resonant frequency, ferrite for enhancing the magnetic path, and electromagnetic shielding material. For example, VA may include wiring between each unit and filtering circuits, housing, etc., as well as wiring of a rectifier/power converter, VA controller, and vehicle battery necessary to function as a vehicle component of a wireless charging system. .

The aforementioned GA may be referred to as a primary device (PD), a primary-side device, and the like, and similarly, the VA may be referred to as a secondary device (SD), a secondary-side device, and the like.

The primary device may be a device that provides a contactless coupling to the secondary device, that is, an external device of the electric vehicle. A primary device may be referred to as a primary-side device. When the electric vehicle receives power, the primary device may act as a power source transmitting power. The primary device may include a housing and all covers.

The secondary device may be an electric vehicle-mounted device that provides a contactless coupling to the primary device. The secondary device may be referred to as a secondary-side device. When the electric vehicle receives power, the secondary device may transfer power from the primary device to the electric vehicle. The secondary device may include a housing and all covers.

The ground assembly controller (GA controller) may be a part of the GA that adjusts the output power level to the GA coil based on information from the vehicle.

The vehicle assembly controller (VA controller) may be a part of the VA that monitors certain vehicle parameters during charging and initiates communication with the GA to control the output power level.

The aforementioned GA controller may be referred to as a primary device communication controller (PDCC), and the VA controller may be referred to as an electric vehicle communication controller (VA controller).

The magnetic gap is defined as the gap between the highest plane of the top of the litz wire or the top of the magnetic material of the GA coil and the bottom of the litz wire or the lowest plane of the magnetic material of the VA coil when aligned with each other. It may refer to a vertical distance.

Ambient temperature may refer to a ground level temperature measured in the atmosphere of a target subsystem that is not directly exposed to sunlight.

Vehicle ground clearance may refer to a vertical distance between a road or pavement and a lowermost part of a vehicle floor fan.

Vehicle magnetic ground clearance may refer to a vertical distance between the lowest plane of the floor of a Litz wire or an insulating material of a VA coil mounted on a vehicle and a pavement.

Vehicle assembly (VA) coil surface distance may refer to the plane of the bottom bottommost plane of the Litz wire or the vertical distance between the magnetic material of the VA coil and the bottommost outer surface of the VA coil. This distance may include additional items wrapped in protective covering material and coil wrap.

The aforementioned VA coil may be referred to as a secondary coil, a vehicle coil, a receiver coil, and the like, and similarly, the ground assembly coil (GA coil) is the primary It may be referred to as a primary coil, a transmit coil, or the like.

An exposed conductive component may refer to a conductive part of an electrical device (eg, an electric vehicle) that can be touched by a person and that does not normally conduct electricity but can conduct electricity in case of failure.

Hazardous live component may refer to a live component that can give a harmful electric shock under certain conditions.

A live component may refer to any conductor or conductive component that is electrically activated in its basic use.

Direct contact may refer to contact between a living organism and a person.

Indirect contact may refer to a person's contact with an exposed, conductive, live active ingredient due to an insulation failure (see IEC 61140).

Alignment may refer to a procedure for finding the relative position of the secondary device with respect to the primary device and/or the procedure for finding the relative position of the primary device with respect to the secondary device for a prescribed efficient power transmission. In the present specification, alignment may refer to a position alignment of a wireless power transmission system, but is not limited thereto.

Pairing may refer to a procedure in which a vehicle (electric vehicle) is associated with a single dedicated ground assembly (primary device) arranged to transmit power. In this specification, pairing may include a procedure of associating a charging spot or a specific ground assembly with a vehicle assembly controller. Association/Association may include a relationship establishment procedure between two peer communication entities.

Command and control communication may refer to communication between an electric vehicle power supply and electric vehicle exchanging information necessary for starting, controlling, and ending a wireless power transfer process.

High level communication can process all information exceeding that of command and control communication. The data link of the high level communication may use a PLC (Power line communication), but is not limited thereto.

Low power excitation may refer to, but is not limited to, enabling the electric vehicle to detect the primary device to perform precise positioning and pairing, and vice versa.

SSID (Service Set Identifier) is a unique identifier consisting of 32-characters attached to the header of a packet transmitted over a wireless LAN. The SSID identifies the basic service set (BSS) to be accessed by the wireless device. SSID basically distinguishes multiple WLANs from each other. Therefore, all access points (APs) and all terminal/station devices that want to use a specific wireless LAN can use the same SSID. A device that does not use a unique SSID cannot join the BSS. Since the SSID is seen as plaintext, it may not provide any security features to the network.

ESSID (Extended service set identifier) is the name of the network to be connected. It is similar to SSID, but can be a more extended concept.

A basic service set identifier (BSSID) is usually 48 bits and is used to identify a specific basic service set (BSS). In the case of an infrastructure BSS network, the BSSID may be a medium access control (MAC) of an AP device. In the case of an independent BSS or an ad hoc network, the BSSID may be generated as an arbitrary value.

The charging station may include at least one or more ground assemblies and at least one or more ground assembly controllers for managing the at least one or more ground assemblies. The ground assembly may include at least one wireless communicator. The charging station may refer to a place having at least one or more ground assemblies installed in homes, offices, public places, roads, parking lots, and the like.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual diagram for explaining a concept of wireless power transmission for an electric vehicle to which an embodiment of the present invention can be applied.

Referring to FIG. 1 , wireless power transmission may be performed by at least one component of an electric vehicle 10 and a charging station 13 , and wirelessly transmitting power to the electric vehicle 10 . can be used for

Here, the electric vehicle 10 may be generally defined as a vehicle that supplies a current induced from a chargeable energy storage device such as the battery 12 as an energy source of an electric motor, which is a power device.

However, the electric vehicle 10 according to the present invention may include a hybrid vehicle having both an electric motor and a general internal combustion engine, and may include not only automobiles but also motorcycles, carts, may include scooters and electric bicycles.

In addition, the electric vehicle 10 may include a power receiving pad 11 including a receiving coil to charge the battery 12 wirelessly, and may include a plug connector to charge the battery 12 by wire. may be In this case, the electric vehicle 10 capable of charging the battery 12 by wire may be referred to as a plug-in electric vehicle (PEV).

Here, the charging station 13 may be connected to a power grid 15 or a power backbone, and may be connected to a power transmission pad 14 including a transmission coil through a power link (AC). Alternatively, direct current (DC) power may be provided.

In addition, the charging station 13 may communicate with a power grid 15 or an infrastructure management system or an infrastructure server that manages the power grid through wired/wireless communication, and performs wireless communication with the electric vehicle 10 . can do.

Here, the wireless communication may include Bluetooth, Zigbee, cellular, and a wireless local area network.

In addition, for example, the charging station 13 may be located in various places, such as a parking lot attached to the owner's house of the electric vehicle 10 , a parking area for charging an electric vehicle at a gas station, a parking area at a shopping center or a workplace, and the like.

Here, in the process of wirelessly charging the battery 12 of the electric vehicle 10 , first, the electric power receiving pad 11 of the electric vehicle 10 is positioned in an energy field by the electric power transmitting pad 14 , so that the electric power transmitting pad 14 is disposed. ) and the receiving coil of the power receiving pad 11 may be formed by interaction or coupling with each other. As a result of the interaction or coupling, an electromotive force is induced in the power receiving pad 11 , and the battery 12 may be charged by the induced electromotive force.

In addition, all or part of the charging station 13 and the power transmission pad 14 may be referred to as a ground assembly (GA), and the ground assembly may refer to the previously defined meaning.

In addition, all or part of the power receiving pad 11 of the electric vehicle 10 and other electric vehicle internal components may be referred to as a vehicle assembly (VA), where the vehicle assembly may refer to the previously defined meaning.

Here, the power transmission pad or the power reception pad may be configured as non-polarized or polarized.

In this case, if the pad is non-polar, there may be one pole in the center of the pad and opposite poles on the outer periphery. Here, the flux may be formed to exit at the center of the pad and return at all outer boundaries of the pad.

Also, when the pad is polar, each pole may be at either end of the pad. Here, the magnetic flux may be formed based on the orientation of the pad.

2 is a conceptual diagram illustrating an electric vehicle wireless charging circuit to which an embodiment of the present invention can be applied.

Referring to FIG. 2 , a schematic configuration of a circuit in which charging is performed in an electric vehicle wireless charging system can be seen.

Here, the circuit on the left side of FIG. 2 may be interpreted as expressing all or part of the configuration of the power supply Vsrc supplied from the power grid, the charging station 13 and the power transmission pad 14 in FIG. 1 , and the right side of FIG. The circuit can be interpreted as representing a part or all of an electric vehicle including a power faucet and a battery.

First, the left circuit of FIG. 2 provides the output power Psrc corresponding to the power Vsrc supplied from the power grid to the wireless charging power converter, and the wireless charging power converter operates at a desired operating frequency in the transmitting coil L1. In order to emit the electromagnetic field, the frequency of the received power Psrc and the power P1 obtained by AC/DC conversion may be output.

Specifically, the wireless charging power converter includes an AC/DC converter that converts DC power to DC power when the power (Psrc) supplied from the power grid is AC power, and a low-frequency converter (or LF) that converts DC power into power with an operating frequency suitable for wireless charging. converter). The operating frequency may be determined to lie between 80 and 90 kHz, for example.

_{Power (P 1} ) output from the wireless charging power converter may be supplied to a circuit consisting of a transmission coil (L ₁ ), a first capacitor (C ₁ ), and a first resistor (R ₁ ), at this time, the first capacitor ( C ₁ ) may be determined to have a device value to have an operating frequency suitable for charging together with the transmitting coil L _{1 .} Also, here, the first resistor (R ₁ ) may mean a power loss generated by the transmission coil (L ₁ ) and the first capacitor (C _{1 ).}

Here, the transmitting coil (L ₁ ) is the receiving coil (L ₂ ) and electromagnetic coupling defined by the coupling coefficient m is made to transmit power, or power may be induced to the _{receiving coil (L 2 ).} Therefore, in the present invention, the meaning that power is transmitted may be used interchangeably with the meaning that power is induced.

_{Here, the power P 2} induced or transmitted to the receiving coil may be provided to the electric vehicle power converter. At this time, the second capacitor (C ₂ ) may be determined as an element value to have an operating frequency suitable for charging together with the receiving coil (L _{2 ), and the second resistor (R 2} ) is the receiving coil (L ₂ ) and the second It may mean a power loss caused by the capacitor (C _{2 ).}

The electric vehicle power converter may _{include an LF/DC converter that converts the received electric power P 2} of a specific operating frequency back to DC power having a voltage level suitable for the electric vehicle battery V _{HV .}

When the electric vehicle power converter outputs the converted electric power (P _{HV ) of the received electric power (P 2} ), the output electric power (P _HV ) can be used to charge _{the battery (V HV} ) built into the electric vehicle.

Here, the right circuit of Figure 2 may further include a switch (switch) for selectively connecting or disconnecting the _{receiving coil (L 2} ) and the battery (V _{HV ).}

Here, the resonant frequency (resonance frequency) of the transmitting coil (L ₁ ) and the receiving coil (L ₂ ) may be configured to be similar or identical to each other, _{and the receiving coil (L 2} ) in the electromagnetic field generated from the _{transmitting coil (L 1 )} It may be configured to be located in a short distance.

Here, the circuit of FIG. 2 should be understood as an exemplary circuit related to power transmission in an electric vehicle wireless charging system available for embodiments of the present invention, and is not interpreted as being limited to the circuit in FIG. 2 .

On the other hand, since the transmission coil (L ₁ ) and the reception coil (L ₂ ) are located at a greater distance, the power loss may increase, so setting the positions of both may be an important factor.

In this case, the transmitting coil (L ₁ ) may be included in the power transmitting pad 14 in FIG. 1 , and the receiving coil (L ₂ ) may be included in the power receiving pad 11 in FIG. 1 . Accordingly, determination of the position between the power transmission pad and the power receiving pad or the determination of the position between the electric vehicle and the power transmission pad will be described below with reference to the drawings.

3 is a conceptual diagram for explaining an alignment concept in wireless power transmission to which an embodiment of the present invention can be applied.

Referring to FIG. 3 , a method of aligning the positions between the power transmission pad 14 in FIG. 1 and the power reception pad 11 built in the electric vehicle may be described. Here, the alignment may correspond to the aforementioned term alignment, and thus may be defined as alignment between GA and VA, and is not limited to alignment between the power transmission pad and the power receiving pad.

Here, although the power transmission pad 14 is illustrated as being located below the ground surface in FIG. 3 , it may be located above the ground surface or may be located so that the upper surface of the power transmission pad 14 is exposed under the ground surface.

In addition, the power receiving pad 11 of the electric vehicle can be defined in different categories according to the height measured with respect to the ground surface (defined in the z direction), for example, the height of the power receiving pad 11 from the ground surface is 100-150 In case of (mm), it can be set as class 1, in case of 140-210 (mm), class 2, in case of 170-250 (mm), it can be set as class 3. In this case, depending on the power receiving pad 11, only class 1 may be supported, or partial support such as class 1 and 2 may be supported.

Here, the height measured with respect to the ground surface may correspond to the vehicle magnetic ground clearance, which is the above-described term.

In addition, the position of the power transmission pad 14 in the height direction (defined in the z direction) may be determined to be located between the maximum class and the minimum class supported by the power receiving pad 11 , for example, the power receiving pad is class 1 and 2 only, it can be determined that the power transmission pad is located between 100-210 (mm) with respect to the power receiving pad 11 .

In addition, the gap between the center of the power transmission pad 14 and the center of the power receiving pad 11 may be determined to be located within a limit value in the horizontal and vertical directions (defined in the x and y directions). For example, it may be determined to be located within ±75 (mm) in the horizontal direction (defined in the x direction), and may be determined to be located within ±100 (mm) in the vertical direction (defined in the y direction).

Here, the relative positions of the power transmitting pad 14 and the power receiving pad 11 may have different limits depending on the experimental results thereof, and it should be understood that the above numerical values are exemplary.

4 is a conceptual diagram for explaining an electric vehicle charging and charging procedure according to the present invention applied to a wireless charging system.

1 to 3, as the power receiving pad 11 of the electric vehicle is positioned in an energy field by the power transmitting pad 14, the transmitting coil of the power transmitting pad 14 and the receiving coil of the receiving pad 11 are It was examined that they interact or are coupled to each other, and an electromotive force is induced in the power receiving pad 11 as a result of the interaction or coupling, and the battery of the electric vehicle is wirelessly charged by the induced electromotive force.

A user may perform charging control for starting or terminating wireless charging through a control panel provided by a charging stand installed in the charging station. The charging stand is connected to the power transmission pad through a wire.

The power transmission pad according to an embodiment of the present invention may include a short-range wireless communication unit. The short-distance wireless communication unit of the transmission pad communicates with the short-distance wireless communication unit in the electric vehicle to perform charging control, and transmits location information and charging information of the charging station to the electric vehicle. On the other hand, the short-range wireless communication unit may be located not only in the power transmission pad, but also in a charging stand connected to the power transmission pad or at another location in the charging station.

Here, the charging information may include information for identifying a vehicle to be charged (eg, an electric vehicle ID), a charging start time, a charging end time, and information such as an amount of charging energy.

Here, the short-distance wireless communication unit is a module supporting various short-range wireless communication methods such as wireless LAN, Bluetooth, NFC, etc. referred to as Wi-Fi.

The short-range wireless communication unit of the electric vehicle may be included in a telematics system (TMS) mounted on the electric vehicle. TMS (telematics) is a compound word of telecommunication and informatics, based on voice and data communication using wireless and a location information system using satellites. It is a technology that provides user-oriented services such as telex, video text, facsimile, etc.

The wireless communication network used in TMS is the 3G or 4G communication method called LTE, DSRC that transmits high-speed wireless packet data of 1Mbps in the 5.8GHz band, and the vehicle audio, display, etc. Various communication methods, such as Bluetooth, which are mainly used to operate with

The TMS of the electric vehicle according to the present invention also includes a 3G communication module, and is connected to a communication service provider server and furthermore a charging management server through a mobile communication network. The electric vehicle transmits the location information of the charging station, the charging control related information, and the charging information of the electric vehicle received from the charging station's power transmission pad (or an electric vehicle charging control device to be described later) to the mobile communication network through the TMS. The mobile communication service provider that has received the location information of the charging station, the information related to charging control, and the charging information of the corresponding armature transmits the information to the charging management server. The charging management server delivers the location information of the charging station and the charging information of the electric vehicle to the electric power company (eg, Korea Electric Power Corporation), and the electric power company uses this to charge the related users.

5 is a conceptual diagram for explaining an electric vehicle wired charging method to which an embodiment of the present invention can be applied.

Referring to FIG. 5 , the electric vehicle wired charging method is to be performed by the mutual operation of the electric vehicle charging cable 30 and at least one component of the electric vehicle 20 and the power socket 40 installed in an existing building or charging stand. can

Here, the electric vehicle 20 may be generally defined as a vehicle that supplies power provided from a rechargeable energy storage device such as a battery as an energy source of an electric motor, which is a power device.

In addition, the electric vehicle 20 may include a hybrid vehicle having both an electric motor and a general internal combustion engine, and may include not only an automobile but also a motorcycle, a cart, and a scooter. and electric bicycles.

In addition, the electric vehicle 20 according to the present invention may include a plug connection port 21 to charge the battery by wire. In this case, the electric vehicle 20 capable of charging the battery by wire may be referred to as a plug-in electric vehicle (PEV).

In addition, the plug connector 21 provided in the electric vehicle 20 according to the present invention may support slow charging or support fast charging. In this case, the electric vehicle 20 may support both slow charging and fast charging through one plug port, or may include respective plug ports supporting slow charging and fast charging.

In addition, the electric vehicle 20 according to the present invention may include an on-board charger to support slow charging or charging through AC power supplied from a general power system. The on-board charger may boost the AC power supplied from the outside through a wire during slow charging, convert it into DC power, and supply it to the battery built in the electric vehicle 20 . Therefore, when AC power for slow charging is supplied to the plug port of the electric vehicle 20, charging can be performed through the on-board charger, and when DC power for fast charging is supplied to the plug port, charging without going through the on-board charger This can be done.

Here, the electric vehicle charging cable 30 may be configured to include at least one of a charging connector 31 , an outlet socket connection part 33 , and an incable control box (ICCB) 32 .

Here, the charging connector 31 may be a connection part that can be electrically connected to the electric vehicle 20 , and the in-cable control box (ICCB) 32 communicates with the electric vehicle 20 to provide a state of the electric vehicle. It is possible to receive information or control power charging to the electric vehicle 20 .

Here, although the in-cable control box 32 is illustrated as being included in the electric vehicle charging cable 10, it may be mounted in a place other than the electric vehicle charging cable 30, coupled to the SECC described below, or replaced with the SECC.

Here, the outlet socket connection part 33 may be connected to an outlet receiving power as an electrical connection device such as a general plug or a cord set.

For example, the power socket 40 may refer to an outlet installed in various places, such as a parking lot attached to the home of the electric vehicle 20 owner, a parking area for charging an electric vehicle at a gas station, a shopping center or a parking area at work. can

In addition, by performing communication with one of the components (eg EVCC) of the in-cable control box 12 or the electric vehicle 20 in a building or place (eg, a stand) in which the power socket 40 is installed, the charging procedure A device may be installed to control the , and this device may be referred to as a Supply Equipment Communication Controller (SECC).

Here, the SECC is an infrastructure management system that manages a power grid or a power grid through wired/wireless communication, a management server of a building in which the power socket 40 is installed (only a server to be described below), or an infrastructure server and can communicate

Here, the power socket 40 can supply the AC power of the power system as it is, for example, AC power corresponding to at least one of 1P2W (single-phase 2-wire type) and 3P4W (3-phase 4-wire type) can be supplied.

In addition, here, the electric vehicle charging cable 30 supports slow charging to supply electric power for slow charging to the electric vehicle 20, and at this time, the electric vehicle 20 is supplied with power between 3.3 and 7.7 (kWh) as the amount of slow charging electric power. can supply

In addition, here, the electric vehicle charging cable 30 may support rapid charging to supply electric power for rapid charging to the electric vehicle 20, and at this time, power between 50 and 100 (kWh) is supplied to the electric vehicle 20 as the amount of fast charging electric power. can supply

On the other hand, in the charging method commonly used in the electric vehicle charging system using the wired charging method according to the concept shown in FIG. 5, an RFID tag containing location information is attached to the electric vehicle charging outlet, and the ICCB recognizes it and , A method of charging a user with an electric vehicle-only fee by transmitting the location and amount of electricity to the server through the 3G communication module located inside the ICCB. There are a method of transmitting the power and power amount to the server, a method of recognizing the location of a charging station using a GPS function in a user terminal (eg, a smart phone), and wirelessly communicating with the ICCB to transmit the amount of power to the server.

However, in the case of these methods, the hardware cost increase due to the addition of 3G communication module in the ICCB, the separate mobile communication cost for electric vehicle charging, the additional cost for the outlet containing the location information (RFID), and the addition of the 3G communication module in the ICCB It has problems such as monthly communication cost and reduced accuracy of charging location recognition when using GPS.

6 is a conceptual diagram for explaining an electric vehicle charging and billing procedure according to the present invention applied to a wired charging system.

Previously, through FIG. 5 , it was examined that charging is started by connecting the charging connector to the plug connection port 21 of the electric vehicle in a state in which the socket socket connection part of the cable is connected to the power socket (intelligent socket outlet).

An in-cable control box (ICCB) communicates with the electric vehicle 20 and controls charging of electric power to the electric vehicle 20 . Here, the ICCB may include a short-range wireless communication unit. The short-range wireless communication unit may communicate with the short-range wireless communication unit in the electric vehicle and may be used to transmit location information and charging information of the charging station to the electric vehicle. Meanwhile, the short-distance wireless communication unit may be located not only in the ICCB but also in a charging stand connected to the power transmission pad or elsewhere in the charging station.

Here, the short-range wireless communication unit is understood as a concept including various communication methods capable of short-range wireless communication, such as a wireless LAN, which is referred to as Wi-Fi, or Bluetooth.

The short-distance wireless communication unit of the electric vehicle may be included in a telematics system (TMS) mounted on the electric vehicle. The TMS of the electric vehicle according to the present invention also includes a 3G communication module and is connected to a communication service provider through a mobile communication network such as LTE. The electric vehicle transmits the location information of the charging station, the charging control, and the charging information of the electric vehicle received from the ICCB of the charging station, to the mobile communication network through the TMS.

Meanwhile, the electric vehicle charging and billing system according to an embodiment of the present invention may include a user terminal. The user terminal may be connected to and communicate with an intelligent outlet through Near Field Communication (NFC), Wi-Fi, Bluetooth, or the like. The intelligent outlet may be electrically coupled with the ICCB. In addition, the user terminal may be connected to a communication service provider through a mobile communication network such as 3G, LTE, LTE-A. The carrier may be connected to the charging management server. The charging management server may deliver location information and charging information to the user, and the user may possess or carry the user terminal.

In the present invention, the user terminal is not only a smart phone (smart phone), for example, a communicable desktop computer (desktop computer), a laptop computer (laptop computer), a notebook (notebook), a tablet PC (tablet PC), a mobile phone ( mobile phone, smart watch, smart glass, e-book reader, PMP (portable multimedia player), portable game console, navigation device, digital camera, DMB (digital multimedia) broadcasting) player, digital audio recorder, digital audio player, digital video recorder, digital video player, PDA (Personal Digital Assistant), etc. Any type of terminal capable of communicating and exchanging data or information with the charging management server according to the present invention is possible.

The mobile communication service provider that has received the location information of the charging station, the charging control, and the charging information of the corresponding armature transmits the information to the charging management server. The charging management server delivers the location information of the charging station and the charging information of the corresponding electric vehicle to the power provider, and the power company uses it to charge the related users.

According to the embodiment described in Fig. 6, instead of inserting a 3G communication module into the ICCB as in the past, a short-range wireless communication module is inserted to establish a short-range wireless communication network between the ICCB and the vehicle, and charging using the in-vehicle telematics system (TMS) The information is transmitted to the charging management server (Host). According to this embodiment of the present invention, it is possible to build a more economical and convenient electric vehicle charging and billing system compared to the existing method by connecting the TMS and the ICCB in the vehicle.

7 is a schematic block diagram of an electric vehicle charging and billing system according to an embodiment of the present invention.

Referring to FIG. 7 , the electric vehicle charging and billing system includes a charging control device 100 , a user terminal 200 carried or carried by a user, a charging management server 300 , a communication service provider 400 , and an electric vehicle equipped with a TMS ( 500) may be included.

The charging control device 100 according to the present invention is connected to a power grid, communicates with the electric vehicle 500 , and controls charging of electric power to the electric vehicle 500 . The charging control device 100 may be an ICCB or a control stand when a conductive charging method using a cable is used, and may be a power transmission pad or a control stand when a wireless charging method is used.

The user terminal 200 may communicate with the charging control device 100 through Near Field Communication (NFC), Wi-Fi, Bluetooth, etc. and obtains location information of a charging station where the charging control device 100 is located. . The user terminal 200 is connected to the communication service provider 400 through a mobile communication network.

Meanwhile, the charging control device 100 is equipped with a short-range wireless communication module to communicate with the short-range wireless communication module of the electric vehicle, and transmits related charging information to the electric vehicle 500 . The short-range wireless communication module of the electric vehicle may be included in the TMS of the vehicle, and the electric vehicle communicates with the communication service provider 400 through the TMS 500 and transmits related charging information to the communication service provider 400 .

The communication service provider 400 interworks with the charging management server 300 as a host server. The communication service provider 400 provides charging control related data or messages received from the user terminal 200 and the electric vehicle 500 , charging information, and charging related location information to the charging management server 300 . The charging management server 300 may collect and manage electric vehicle charging-related information collected from various regions and various vehicles, and may provide necessary information to the user. The charging management server 300 may provide vehicle location information and charging information to the user terminal 200 . The user terminal 200 checks the charging-related information provided by the charging management server 300 and transmits the charging control message or data to the charging management server through the mobile communication network, thereby performing charging control for the electric vehicle through the charging management server. can do.

The charging-related information collected and managed by the charging management server 300 is delivered to a power provider (eg, Korea Electric Power Corporation) to finally charge for electric vehicle charging.

8 is an operation flowchart of a method for charging and charging an electric vehicle according to an embodiment of the present invention.

In FIG. 8, the operation flow between each component is described with a focus on the charging control device 100, the user terminal 200, the charging management server 300, and the vehicle 500 equipped with the TMS as seen in FIG. 7, In particular, a charging method for charging an electric vehicle according to an embodiment of the present invention will be described with a focus on the charging start operation.

The charging control device 100 may be an ICCB in the case of wired charging, and may include a power transmission pad or a power transmission pad and a charging stand in the case of wireless charging.

Referring to FIG. 8 , when a user who wants to charge the vehicle connects the charging connector of the charging control device to the vehicle, the vehicle attempts pairing with the charging control device 100 through short-range wireless communication. When pairing is completed, the vehicle acquires information of the charging control device 100 (S801), and transmits information of the charging control device 100 and the corresponding vehicle information to the charging management server 300 (S802).

Here, the operation of connecting the charging connector corresponds to the case of wired charging, and in the case of wireless charging, the power transmission pad of the ground assembly is disposed at a predetermined distance from the vehicle, and then the user uses a control panel provided on the charging stand, etc. It can be replaced with the operation of pressing the charging start button.

On the other hand, the user recognizes a tag (eg, NFC, QR code, etc.) containing the location information of the charging control device 100 using the user terminal 200 (S803) of the charging control device 100 or the charging station. Location information and user information may be transmitted to the charging management server 300 (S804). Here, in the case of wired charging, location information of the charging control device 100 may be replaced with location information of an outlet.

Meanwhile, the location information of the charging control device 100 or the charging station may be obtained through short-range wireless communication between the power transmission pad and the vehicle 500 as described in FIG. 4 instead of the user terminal 200 .

The charging management server 300 receives the location information and the user information 100 of the charging control device 100 from the user terminal 200, and analyzes the charging control device 100-related information and vehicle information received from the vehicle, For the corresponding vehicle, it is determined whether charging is permitted through the corresponding charging station and the corresponding charging control device, and the charging is approved (S805).

Here, the vehicle information may include vehicle identification information, a charging method, a charging capacity, and the like. In addition, the charging control device-related information includes identification information of the corresponding charging control device, information on the charging station where the corresponding charging control device is located, location information of the charging control device or charging station, and the charging method of power supplied through the charging control device. and the like.

Upon receiving the charging approval message, the vehicle 500 transmits the charging approval message to the charging control device 100 (S806). Upon receiving the charging approval message, the charging control device 100 may start charging and provide charging information to the vehicle 500 in real time during charging (S807). The charging information is transmitted to the charging management server 300 (S808).

Meanwhile, the vehicle 500 transmits charging information to the user terminal 200 during charging (S809) so that the user can easily check the charging information (S810). Through this, the user can remotely control electric vehicle charging using the user terminal 200 .

9 is an operation flowchart of a method for charging and charging an electric vehicle according to another embodiment of the present invention.

In FIG. 9 , an operation flow between each component is described centered on the charging control device 100 , the user terminal 200 , the charging management server 300 , and the vehicle 500 as seen in FIG. 7 , and in particular, the charging termination operation A method for charging an electric vehicle according to an embodiment of the present invention will be mainly described.

The charging control device 100 may be an ICCB in the case of wired charging, and may include a power transmission pad or a power transmission pad and a charging stand in the case of wireless charging.

The charging termination situation may be divided into a case in which the high-voltage battery in the vehicle is fully charged and the vehicle itself ends charging, and a case in which the charging is terminated by an external device.

In the former case, when charging is completed, the charging end report and charging amount information are transmitted to the charging management server (Host) through the in-vehicle TMS (S902), and the charging control device 100 connected to the vehicle also receives the charging end report. do. The user who has confirmed the charging termination status through the charging control device 100 may disconnect the charging connector from the vehicle (S901) (in the case of wired charging), or confirm the charging termination through the control panel and confirm the charging termination (wireless) for charging).

Meanwhile, in the latter case, that is, when charging is stopped remotely through a user terminal or an in-vehicle interface, the vehicle recognizes that the charging connector is disconnected (901) and transmits a charging end report and charging amount information to the charging management server 300 It can be done (S902). Here, the in-vehicle interface may include at least one of an audio video navigation (AVN) system and a TMS.

The charging management server 300 transmits the charging amount information to the electric power operator 310, and the electric power operator 310 calculates an electric charge based on this and charges the user a charging charge (S906).

On the other hand, the charging management server 300 may provide a signal, data or message about the charging end report and charging amount information to the user terminal S904, and the user terminal 200 may provide the charging end report and the charging amount in various forms or delivery. method can be notified to the user (S905).

In the above-described embodiments, the recipient receiving the signal, data or message may return an OK response to the sender. The sender may retransmit the signal or message to the receiver a predetermined number of times when an OK response is not received from the receiver. In addition, when receiving a failure response other than the OK response from the receiver, the sender reversely transmits a failure response, and controls electric vehicle charging from the beginning or a specific point in the procedure stored normally in the vehicle or user terminal or the corresponding amount of charge. The process can be restarted.

10 is a block diagram of an electric vehicle charging control apparatus according to an embodiment of the present invention.

Referring to FIG. 10 , the electric vehicle charging control apparatus 100 according to an embodiment of the present invention may include a controller 110 and a short-range wireless communication unit 110 .

The controller 110 receives the charging approval message for the electric vehicle desired to be charged from the charging management server, starts charging the electric vehicle, accumulates and measures the amount of electric power being charged, and recognizes the charging termination operation detected by the user or electric vehicle, and Charge information is derived based on the accumulated and measured amount of power. The controller 110 may also detect location information of the electric vehicle charging control device or charging station, and transmit the location information to the electric vehicle through a short-range wireless communication unit.

The wireless communication unit 120 establishes a connection with a short-range wireless communication module mounted in the electric vehicle and transmits the charging information to the electric vehicle, and supports wireless LAN or Bluetooth communication.

Here, the electric vehicle charging control device may include an in-cable control box or a power transmission pad. The electric vehicle charging control device may also include a power transmission pad and a control panel.

On the other hand, when the electric vehicle charging control device is an incable control box, the incable control box may detect a connection between a charging connector connected to the incable control box and the electric vehicle and transmit information about the incable control box to the electric vehicle.

In addition, the charging information may include at least one of identification information of an electric vehicle to be charged, a charging start time, a charging end time, and a charging amount.

11 is an operation flowchart of an electric vehicle charging control method according to an embodiment of the present invention.

The charging control method illustrated in FIG. 11 may be performed by an electric vehicle charging control device, particularly, an in-cable control box, but the operating entity is not limited thereto.

In the charging control method according to the present invention, first, when the electric vehicle charging control device provides wired charging for the electric vehicle, it detects the connection of the charging connector to the electric vehicle (S1101), and transmits information about the charging control apparatus to the electric vehicle (S1102) ). Thereafter, the electric vehicle charging control device receives the charging approval message from the charging management server and starts charging (S1103). The electric vehicle charging control apparatus accumulates and measures the amount of electric power to be charged after the start of charging, and when it recognizes a charging termination operation sensed by the user or the electric vehicle (S1104), it derives charging information based on the accumulated and measured electric energy (S1105).

The derived charging information is transmitted to the electric vehicle using short-range wireless communication (S1106).

12 is a block diagram of a charging management server according to an embodiment of the present invention.

The charging management server according to an embodiment of the present invention may include a processor 310, a charging information storage 320, and a communication interface 330 as shown in FIG. 12, and although not shown, the processor ( 310) may further include a memory or an additional processor required for operation.

The processor 310 determines whether to approve charging by receiving information on a charging control device that is connected to an electric vehicle to be charged and controls charging of the electric vehicle, information about the electric vehicle, and information about the electric vehicle user, It transmits an approval message to the electric vehicle, receives charging information calculated according to the end of charging, and provides the electric vehicle or electric vehicle user as billing information to the electric power company.

The charging information storage unit 320 stores charging-related information for at least one charging station, at least one charging control device, at least one electric vehicle, and at least one electric vehicle user, so that the processor 310 is responsible for the related charging. It provides the data needed to derive authorization and charging information for electric vehicle charging.

The communication interface 330 provides a communication/network interface for interworking with the mobile communication server and the power provider server, and receives information about the location of the charging control device or the charging station in which the charging control device is located from the electric vehicle or the user terminal. can

13 is a block diagram of an electric vehicle according to an embodiment of the present invention.

An electric vehicle according to an embodiment of the present invention may include a charge controller 510 , a TMS 520 , and a short-range wireless communication unit 530 as shown in FIG. 13 .

The charge controller 510 receives the charge approval message from the charge management server and transmits it to the charge control device, charges the electric power supplied through the charge control device to the battery in the electric vehicle, and receives from the charge control device according to the charging termination operation It provides charging information to the charging management server.

The TMS 520 transmits charging information to the mobile communication network, and the short-range wireless communication unit 530 receives charging information from the charging control device using a wireless LAN or Bluetooth.

The TMS 520 and the short-range wireless communication unit 530 may be implemented as a single communication module by integrating the functions of the two blocks, and the communication module receives charging information from the charging control device using short-range wireless communication, and the charging management server It is possible to perform wireless transmission and reception with a mobile communication network interworking with the .

The operation of the method according to the embodiment of the present invention can be implemented as a computer-readable program or code on a computer-readable recording medium. The computer-readable recording medium includes all types of recording devices in which data that can be read by a computer system is stored. In addition, the computer-readable recording medium may be distributed in a network-connected computer system to store and execute computer-readable programs or codes in a distributed manner.

In addition, the computer-readable recording medium may include a hardware device specially configured to store and execute program instructions, such as ROM, RAM, and flash memory. The program instructions may include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like.

Although some aspects of the invention have been described in the context of an apparatus, it may also represent a description according to a corresponding method, wherein a block or apparatus corresponds to a method step or feature of a method step. Similarly, aspects described in the context of a method may also represent a corresponding block or item or a corresponding device feature. Some or all of the method steps may be performed by (or using) a hardware device such as, for example, a microprocessor, programmable computer or electronic circuit. In some embodiments, one or more of the most important method steps may be performed by such an apparatus.

In embodiments, a programmable logic device (eg, a field programmable gate array) may be used to perform some or all of the functionality of the methods described herein. In embodiments, the field programmable gate array may operate in conjunction with a microprocessor to perform one of the methods described herein. In general, the methods are preferably performed by some hardware device.

Although described above with reference to preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention within the scope without departing from the spirit and scope of the present invention described in the claims below. You will understand that you can.

100: electric vehicle charging control device 110: controller
120: short-range wireless communication unit 200: user terminal
300: charging management server (host) 310: power operator
400: telecom operator 500: electric vehicle/vehicle

Claims (19)

An electric vehicle charging control device for controlling charging of an electric vehicle while electrically connecting an electric vehicle to at least one of an on-board charger, an off-board charger, and a charging stand,
Receive a charging approval message for an electric vehicle desired to be charged from the charging management server through the electric vehicle, start charging the electric vehicle, accumulate and measure the amount of electric power charged in the electric vehicle, and the user terminal of the electric vehicle or the electric vehicle a controller for recognizing a charging termination operation sensed from and deriving charging information based on the accumulated and measured amount of power; and
and a short-range wireless communication unit that establishes a connection with a short-range wireless communication module mounted on the electric vehicle and transmits the charging information to the electric vehicle,
The charging information includes identification information of the electric vehicle, charging start time, charging end time and charging amount information, and is transmitted to the charging management server through a mobile communication network connected to a telematics system built in the electric vehicle, An electric vehicle charging control device, which is used to generate charging information for the electric vehicle by a power provider interworking with a charging management server. The method according to claim 1,
The electric vehicle charging control apparatus includes an in-cable control box (In-Cable control box), electric vehicle charging control apparatus. The method according to claim 1,
The electric vehicle charging control apparatus includes a power transmission pad. The method according to claim 1,
The short-range wireless communication unit,
An electric vehicle charging control device that communicates with the short-range wireless communication module of the electric vehicle using a wireless LAN or Bluetooth. delete The method according to claim 1,
The controller is
An electric vehicle charging control device for detecting the location information of the electric vehicle charging control device or the charging station and transmitting the location information to the electric vehicle through the short-range wireless communication unit. 3. The method according to claim 2,
The incable control box is
An electric vehicle charging control device for detecting a connection between a charging connector connected to the in-cable control box and the electric vehicle and transmitting information about the in-cable control box to the electric vehicle. An electric vehicle charging control method performed by an electric vehicle charging control device that controls charging of an electric vehicle while electrically connecting an electric vehicle to at least one of an on-board charger, an off-board charger, and a charging stand,
Receiving a charging approval message for an electric vehicle desired to be charged from a charge management server through the electric vehicle;
starting charging of the electric vehicle and accumulating and measuring the amount of electric power charged in the electric vehicle;
recognizing a charging termination operation sensed from the user terminal of the electric vehicle or the electric vehicle and deriving charging information based on the accumulated and measured electric power; and
and transmitting the charging information to the electric vehicle using short-range wireless communication,
The charging information includes identification information of the electric vehicle, charging start time, charging end time and charging amount information, and is transmitted to the charging management server through a mobile communication network connected to a telematics system built in the electric vehicle, An electric vehicle charging control method that is used by a power provider interworking with a charging management server to generate charging information for the electric vehicle. 9. The method of claim 8,
The electric vehicle charging control device includes an in-cable control box or a power transmission pad, the electric vehicle charging control method. 9. The method of claim 8,
The short-range wireless communication includes a wireless LAN (Wireless LAN) communication or Bluetooth (Bluetooth) communication, electric vehicle charging control method. delete Receiving information about an electric vehicle that wants to be charged or a charging control device that is connected to a user terminal of the electric vehicle to control charging of the electric vehicle through a mobile communication network, information about the electric vehicle, and information about an electric vehicle user a processor that determines whether to approve, transmits a charging approval message to the electric vehicle, and receives charging information calculated according to the end of charging from a telematics system of the electric vehicle or the user terminal;
a charging information storage unit configured to store charging-related information on at least one charging station, at least one charging control device, at least one electric vehicle, and at least one electric vehicle user; and
A mobile communication server providing communication with the electric vehicle or the user terminal and a communication interface interworking with a power provider server,
The charging control device is a device for controlling charging of the electric vehicle while electrically connecting the electric vehicle to at least one of an on-board charger, an off-board charger, and a charging stand,
The charging information includes identification information of the electric vehicle, a charging start time, a charging end time, and information on a charging amount, and is used by the electric power provider to generate charging information for the electric vehicle or the electric vehicle user, a charging management server . 13. The method of claim 12,
The communication interface is
A charging management server for receiving information on a location of the charging control device or a charging station in which the charging control device is located from the electric vehicle or the user terminal. delete 13. The method of claim 12,
The charging control device comprises an in-cable control box (In-Cable control box) or a power transmission pad, charge management server. The charging approval message is received from the charging management server through a telematics system (TMS) connected to the mobile communication network and transmitted to the charging control device, and the power supplied through the charging control device is charged to the battery in the electric vehicle, and a charge controller for providing charging information received from the charging control device through short-range wireless communication to the charging management server through the telematics system in response to a termination operation; and
and a communication module for receiving the charging information from the charging control device using the short-range wireless communication and transmitting and receiving data with a mobile communication network interworking with the charging management server,
The charging control device is a device for controlling charging of the electric vehicle while electrically connecting the electric vehicle to at least one of an on-board charger, an off-board charger, and a charging stand,
The charging information includes information on identification information of the electric vehicle, charging start time, charging end time, and charging amount, and a power provider linking with the charging management server generates charging information for the electric vehicle or the user of the electric vehicle used to make electric vehicles. delete 17. The method of claim 16,
The communication module receives the charging information from the charging control device using a wireless LAN (Wireless LAN) communication or Bluetooth (Bluetooth) communication, electric vehicle. delete

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