KR20150035900A - Electric Charging System for Electric Vehicle Using Smart Phone and Method for Charging Electric Vehicle with the Same - Google Patents

Abstract

The present invention relates to an electric vehicle charging system using a smartphone and an electric vehicle charging method and, more specifically, to an electric vehicle charging system using a smartphone and an electric vehicle charging method capable of charging an electric vehicle with a charging device having an individual ID by transmitting a charging request and receiving payment authorization with the smartphone. The electric vehicle charging system using a smartphone includes the charging device having the individual ID and capable of transmitting a charging request and receiving payment information with a user smartphone through a local wireless communication function; a smartphone application installed on the smartphone, receiving the ID of the charging device from the charging device, and transmitting the ID; and an exclusive service server capable of communicating with the smartphone, receiving the ID of the charging device transmitted by the smartphone application, and transmitting a charge authorization code to the smartphone. The exclusive service server verifies whether the device is valid or not by checking the ID of the charging device, authorizes the payment request received through the application installed on the user′s smartphone, and transmits the payment authorization code. The application installed on the smartphone transmits the received payment authorization code to the charging device.

Description

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to an electric vehicle charging system using a smart phone,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging system for an electric vehicle using a smart phone and a charging method for the electric vehicle, and more particularly, to a charging device having a unique ID, To an electric vehicle charging system and a charging method using a smart phone.

An automatic payment system for charging an electric vehicle is known in which a purchase system using various types of electronic devices is disclosed. 2. Description of the Related Art Generally, a charger for an electric vehicle has a charging connection unit for electrically connecting electricity supplied from the outside to a battery of a vehicle, and charging the electric vehicle with electricity by receiving user authentication information and charging request information. The user authentication information input from the proposed structure is transmitted to the payment server, and the authentication result is received, and the payment cost is calculated according to the charged capacity charged in the electric vehicle. The settlement cost may be transmitted to the settlement server again, and the settlement server may have a settlement control unit for receiving the settlement result and a settlement display unit for displaying the result of the settlement by the user authentication information, the settlement request information and the settlement result. Such a charger needs to be prepared by the seller in advance for the system for supplying and controlling the electricity, the system for the payment of the fee, and the wired / wireless communication means in a specific place like the present general gas station. Is required.

SUMMARY OF THE INVENTION The present invention has been made to solve the problems of the known art and has the following purpose.

It is an object of the present invention to provide an electric vehicle charging system using a smart phone.

It is another object of the present invention to provide a method of charging an electric vehicle using a smartphone.

According to a preferred embodiment of the present invention, a charging system for charging an electric vehicle using a smart phone includes a charger capable of receiving charging request and payment information from a user's smartphone with a unique wireless charger ID, A smartphone application installed on the smartphone to receive and transmit a charger ID from the charger; And a dedicated service server capable of communicating with the smartphone, receiving a charger ID transmitted from the smartphone application, and transmitting a charge approval court to the smart phone, wherein the dedicated service server confirms the ID of the charger, And transmits the settlement approval code to the application. In addition, the application installed in the smartphone transmits the payment approval code To the charger.

According to another preferred embodiment of the present invention, the dedicated service server stores a DB of the electric car charger and user information, and may be connected to the Internet.

According to yet another preferred embodiment of the present invention, a charging method for an electric vehicle includes the steps of charging a charger with a predetermined unique charger ID; Receiving the charger ID in a short-range wireless communication in a smartphone application installed in the smart phone of the user; Transmitting the charger ID to a user's smartphone to a dedicated service server storing information related to the charger and user information; The charging service server checks the charger ID to verify whether it corresponds to a valid device, performs settlement for receiving payment information through an application installed in the smartphone of the user, and transmits a payment approval code to the smart phone ; And transmitting the transmitted payment authorization code to the charger.

Thereby simplifying the installation and purchase procedures of the car charger. The current electric vehicle charger according to the present invention includes a monitor for performing a charging process in a charger for charging, a payment device for payment, etc., so that the disadvantage of expensive equipment and troublesome installation is solved . Further, the charging system according to the present invention can easily and cheaply manufacture the charger by controlling and charging the electric vehicle charging process with the smart phone of the user, thereby spreading the supply and spreading the electric vehicle.

FIG. 1 schematically shows an embodiment of an overall configuration of an electric vehicle charging system using a smartphone according to the present invention.
Figure 2 schematically illustrates an embodiment of the operating process of the system according to the invention.
3 schematically shows an embodiment of an electric vehicle charger using a smartphone according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so that they will not be described repeatedly unless necessary for an understanding of the invention, and the known components will be briefly described or omitted. However, It should not be understood as being excluded from the embodiment of Fig.

FIG. 1 schematically shows an embodiment of an overall configuration of an electric vehicle charging system using a smartphone according to the present invention, and FIG. 2 schematically shows an embodiment of the operation process of the system according to the present invention .

1 and 2, a charging system for an electric vehicle includes a charger having a unique charger ID and capable of receiving charging request and payment information from a user's smartphone through a short-range wireless communication function, A smartphone application for receiving and transmitting a charger ID from the charger; And a dedicated service server capable of communicating with the smartphone, receiving a charger ID transmitted from the smartphone application, and transmitting a charge approval court to the smart phone, wherein the dedicated service server confirms the ID of the charger, And transmits the settlement approval code to the application. In addition, the application installed in the smartphone transmits the payment approval code To the charger.

According to the present invention, all devices for supplying electric power to a charger and a chargeable device capable of controlling all functions of an electric car charger using a smartphone of a user having a short- System is realized.

Such a system can be realized by installing a power control device, a power meter, a short-range wireless communication function such as Bluetooth, and a dedicated application in a user's smartphone.

The system according to the present invention includes an electric vehicle charger 101 having a built-in short-range wireless communication function, a smart phone 102 having a short-range wireless communication function, a dedicated application program operating in the smart phone, And a dedicated service server 103 responsible for settlement. Referring to FIG. 2, a system according to the present invention may proceed as follows to charge an electric vehicle.

(1) a step (S201) in which a user executes a dedicated application program installed in advance in a smartphone 102 having a local wireless communication function carried by the user and requests charging of the electric car charger 101;

(2) The electric vehicle charger 101 receiving the charging request transmits its own ID to the smart phone 102 that made the charging request (S201);

(3) The smart phone 102 receiving the ID inquires information of the corresponding ID to the dedicated service server 103 (S202);

(4) The dedicated service server 103 searches for the ID and transmits the validity of the ID and various information to the smart phone that requested charging (S203);

(5) The smartphone 102 receiving the above information displays this information to the user, receives a desired charging amount (charge) and a payment means from the user, receives the charge corresponding to the charging amount, the ID of the selected charging means and the charger (S202) a payment request to the dedicated service server 103 using the information;

(6) the dedicated service server 103 makes a payment request to the settlement institution according to the payment means selected by the user and receives the settlement result (S203);

(7) the dedicated service server 103 stores the payment result in the DB and sends the payment result to the smartphone 102 in an encrypted approval code (S203);

(8) The smartphone 102 decrypts the approval code, notifies the user of the failure of the payment result, ends the service request, and if successful, transmits the approval code to the electric car charger 101 (S202);

(9) Upon receipt of the approval code, the electric car charger 101 analyzes the approval code and controls the electric power if the approval code is a predetermined approval code. Interrupting power supply (S201);

(10) If the approval code is not an approved approval code in advance, a rejection signal is transmitted in response to the charge request, and if the approval code is a predetermined approval code, Transmitting a charge completion signal (S201);

(11) The smartphone 102 transmits the charge completion signal to the dedicated service server 103 (S202);

(12) The dedicated service server 103 receives the service completion signal, stores the service completion in the DB, transmits a DB update completion signal to the smartphone, and the smartphone 102, which receives the DB update completion signal, (S203) that the charging and payment are normally completed and the charging service is terminated.

The system according to the present invention can be used not only in an MCU having a short-range wireless communication function and a smartphone application capable of communicating therewith, but also in a dedicated server having membership registration, DB management, point management, Equipment and technology.

3 schematically shows an embodiment of an electric vehicle charger using a smartphone according to the present invention.

3, a charger for charging an electric vehicle may include a power input source 31 for supplying external power, a load current sensor 35a and a leakage current sensor 35b, and an AC switch 38 have. A DC conversion unit 32 for converting AC into DC for charging, a charging and DC switch module 33, a rechargeable battery 34 and an RF module 37 having a unique ID. And the overall operation of the charger can be controlled by the central processing unit 36. [ The central processing unit 36 and the RF module 37 form a control module C. [

The proposed charger can be operated as follows.

(1) receiving power from a charger seen from the outside;

(2) a step of converting AC to DC for operating a circuit built in the electric vehicle charger (AC / DC);

(3) charging the rechargeable battery for supplying power to the circuit built in the recharger for a predetermined time when the recharging service should be stopped due to an external disconnection or the like during charging;

(4) When the control unit (MCU) receives the charging request signal of the smartphone, it transmits its own ID to the smartphone. When receiving the payment approval code, the validity of the approval code is verified When the authorization code received from the smartphone is valid, it supplies power through the power management and switching unit and transmits the supply approval signal to the smartphone. Otherwise, it cuts off the power supply and transmits a rejection signal to the smartphone, Transmitting a charge rejection signal when the vehicle can not be charged due to a short circuit or transmitting a charge amount up to that point when the vehicle is being charged and terminating the service;

(5) serves to supply or cut off electric power received from outside according to the control of the control unit to the vehicle supply outlet; In addition, it protects and protects the over current when it flows, continuously measures the amount of supplied power and sends it to the control unit; A power management and switching for notifying the control unit when the charging plug of the vehicle is unexpectedly removed, instead of a normal request during charging;

(6) supplying electric power to the charging plug of the vehicle through the outlet according to the control of the control unit.

The proposed charger is composed of various devices (relay, SSR: Solid State Relay) that can switch the electric power, a current controller that can control current according to charging state and charge time of electric vehicle, and RF module And microcontroller unit (MCU) with built-in microcontroller are selling various models in various companies and can be easily implemented.

Smartphone with short-range wireless communication function for charging electric car charger is selling many products at home and abroad, and a dedicated application program running on these devices is designed for the sellers and purchasers subscribed to this service in the following steps The method according to the present invention can proceed.

(1) a login step of receiving an ID and a password and authenticating that the user is a legitimate member;

(2) a charging service step of performing a charging function by selecting a charging method and a payment method;

(3) a charging control step for displaying the charging progress status during charging and performing functions such as pause by the user or termination of charging

The application program can be easily implemented by being similar to general programs used in a smartphone of a short-range wireless communication function.

The dedicated service server is composed of menus for supporting / managing the functions for the seller service and the buyer service, as detailed below.

(1) In order to process a request to receive a membership request from a seller and a purchaser, a membership registration is executed by designating an ID, personal information (sales company information), account number for receiving the sales payment, unit price of sale, discount condition, ;

(2) a step of providing sales information of sellers, statistical data and search according to various conditions, and outputting a receipt;

A seller management service for providing the merchant management service,

(3) A function for registering payment method and related information when charging is executed. It is a function of registering credit card number, withdrawal account number, mobile phone number for micropayment, available gift certificate, points of this service, A withdrawal method registration step of registering the withdrawal method;

(4) Confirm transaction history after confirming the purchase history of charging performed through this service after membership, inquire statistical data by various conditions, and output receipts.

Such a database system can be easily implemented by a technique known in the field at present.

 Thereby simplifying the installation and purchase procedures of the car charger. The current electric vehicle charger according to the present invention includes a monitor for performing a charging process in a charger for charging, a payment device for payment, etc., so that the disadvantage of expensive equipment and troublesome installation is solved . Further, the charging system according to the present invention can easily and cheaply manufacture the charger by controlling and charging the electric vehicle charging process with the smart phone of the user, thereby spreading the supply and spreading the electric vehicle.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention . The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

101: Charger 102: Smartphone
103: dedicated service server
32: DC converter unit 33: Charging and DC switch module
34: Battery 36: Central Processing Unit
37: RF module 38: AC switch

Claims (1)

A charger for charging an electric vehicle using a smartphone,
A power input source 31 for supplying external AC power;
A DC converting unit (32) connected to a power input source (31);
A charge and DC switch module 33 connected to the DC converter 32;
A battery 34 connected to the DC switch module 33 for supplying power for operation;
A central processing unit 36; And
And an RF module (37) capable of communicating with a smartphone,
A control pilot CP and a connection switch CS are connected to the charging and DC switch module 33 and the load current sensor 35a and the leakage current sensor 35b are connected to the output terminal of the electric vehicle and the power input source 31, And a charging device for charging the electric vehicle.

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