WO2018101501A1

WO2018101501A1 - System and method for electric vehicle charging service

Info

Publication number: WO2018101501A1
Application number: PCT/KR2016/013932
Authority: WO
Inventors: 임종원; 허석배; 최도현; 유치영
Original assignee: (주)클린일렉스앤컴퍼니
Priority date: 2016-11-30
Filing date: 2016-11-30
Publication date: 2018-06-07

Abstract

The present invention relates to a system and a method for an electric vehicle charging service, and disclosed is a system for an electric vehicle charging service, comprising: at least one charger for supplying electricity to an electric vehicle; a charging service server managing information on the charger and providing a charging service to an electric vehicle user; and a smart phone having an application for providing, to the electric vehicle user, charging service information of the charger and the charging service server by using Bluetooth communication. In addition, the present invention provides a method for an electric vehicle charging service, comprising the steps of: allowing the electric vehicle user to search for and connect to, on the basis of a smartphone application, an electric vehicle charger provided in the vicinity; requesting, from the charging service server, an approval for use of the connected electric vehicle charger and allowing the charging service server to operate the electric vehicle charger.

Description

Electric vehicle charging service system and method

The present invention relates to an electric vehicle charging service system and method, and more particularly, can be connected to a charger through a Bluetooth communication of a smart phone, and can provide various charging services to an electric vehicle user by connecting to a charging service server through a communication network such as LTE. Electric vehicle charging service system and method.

In general, electric vehicles have not been put to practical use for a long time due to problems such as heavy weight of a battery mounted in a vehicle, time taken for charging, and the like, compared to gasoline or diesel-powered vehicles. However, recently, due to the depletion of fossil energy and environmental pollution, interest in electric vehicles using electric energy without fossil energy has been increasing, and research and development on this has been actively conducted.

On the other hand, the biggest obstacle to the distribution of electric vehicles is known as the lack of charging infrastructure. In other words, although the number of chargers must be increased as the demand for electric vehicles increases and the number of electric vehicle users increases, the charging infrastructure for electric vehicles is still insufficient, which is the biggest deterrent to the speed of electric vehicle supply.

Therefore, there is a need for a new charging infrastructure expansion plan that can replace the existing EV charging infrastructure.

The present invention has been made to solve the above-described problems, to provide an electric vehicle charging service system and method for expanding the charging infrastructure by providing a variety of charging services to the electric vehicle users using Bluetooth communication of the smart phone Has its purpose.

In order to achieve the object of the present invention, the present invention, at least one charger for supplying electricity to the electric vehicle, a charge service server for managing the information of the charger to provide a charging service to the electric vehicle user, using Bluetooth communication It provides an electric vehicle charging service system comprising a smart phone having an app that provides charging service information to an electric vehicle user between the charger and the charging service server.

Here, the charger is provided with a first Bluetooth module for communicating with the smart phone, a control unit for performing information encryption of a communication protocol, a display unit connected to the control unit to display the use status information of the charger, the control unit and A short circuit detecting unit for detecting a voltage and a current according to an input of a 220V AC power source, a short circuit detecting unit for detecting leakage of current passing through the voltage and current detecting unit, and a short circuit detecting unit connected to the control unit And a relay for controlling charging power, an AC output terminal output by the control of the relay, and a temperature sensing unit for sensing a temperature rise according to the amount of current sensed by the voltage and current sensing unit.

In addition, the smart phone has a second Bluetooth to communicate with the first Bluetooth module of the charger, and a charging control app for controlling the charger, the charging control app performing the user registration to the DB of the server And searching and connecting the charger, and performing a charger power on / off control, a real time power usage indication, and a cumulative power consumption indication while controlling the power usage to the charger.

In addition, the server is an LTE network-based communication is performed by the member authentication unit for authenticating the member using the charger user as a member, the member management unit for performing member history management and encryption of member information, and the charger authentication unit for authenticating the charger And, characterized in that it comprises an electric charge management unit for charging and billing the electricity bill according to the power usage through the charger.

In addition, the electric vehicle charging service system according to the present invention further includes a power grid for producing or / supplying power and supplying the power produced by at least one power carrier having its own power transmission, substation and distribution facilities to the charger, The power grid is connected to the server to support the intelligent power grid to the server.

On the other hand, in order to achieve the object of the present invention, the present invention, in the electric vehicle charging service method for charging the electric vehicle using a smart phone to communicate with the electric car charger and the server, respectively, the electric vehicle users around the smartphone app based Searching and connecting an electric vehicle charger installed in the electric vehicle charger; and requesting an approval for use of the connected electric vehicle charger to a charging service server, and operating the electric vehicle charger by the charging service server. To provide.

Herein, the searching and accessing of the EV charger may include: transmitting, by the smartphone, a scan signal to the Bluetooth module of the EV charger; transmitting, by the EV charger, the scan signal of the Bluetooth module to the smartphone; Requesting a password of a Bluetooth module of the electric vehicle charger scanned by a smartphone to a server, retrieving a Bluetooth password of the scanned electric vehicle charger from the server, and transmitting the retrieved Bluetooth password to the smartphone; The smartphone pairing with the electric vehicle charger using the Bluetooth password, the smartphone notifying the server of the success of the pairing step, and the server last using the last usage log of the paired electric car charger With the first password to the electric car charger And transmitting, by the electric vehicle charger, the last usage log and the log not updated in the server to the server using the first password, and storing the logs encrypted by the server with the first password. Generating a new password after checking whether or not the log is attempted to be hacked, and encrypting the new password with the first password and transmitting the new password to the electric vehicle charger; Receiving a new password encrypted with a password, updating the second password and storing the second password; transmitting, by the electric vehicle charger, the stored second password to the server; Receiving to complete the update and completing the charging preparation of the electric vehicle charger, characterized in that All.

In addition, the electric vehicle charger use approval request and operation step, the smart phone sends a predetermined charge time information with the charging start command to the server to request the use of the electric vehicle charger, the server to the electric vehicle Checking a balance remaining by a user of a charger and requesting power supply to the electric vehicle charger; checking, by the electric vehicle charger, request information of the server and responding to the server, requesting power operation; And subtracting an amount corresponding to a predetermined charging time from the user balance stored in the server according to the response of the power up request information and indicating to the DB that the charger is being charged for the predetermined charging time. do.

Meanwhile, the present invention may further include a step of requesting a refund after the EV charger user stops during charging.

The request for a refund after stopping during the charging may include: requesting, by the smart phone, the server to check a current state; requesting, by the server, the last usage log from the electric vehicle charger; Transmitting a log that has not been updated along with a last usage log; checking, by the server, after updating and storing all the logs; checking an unused remaining amount of the predetermined charging time; Transmitting details of the remaining amount, requesting a refund of the amount of the unused remaining amount from the smart phone to the server, checking whether the server has an ongoing charging operation for the electric vehicle charger; The server requests to cancel the remaining charging work for the electric vehicle charger Sending a success signal for the cancellation request by the electric vehicle floor electrician, the server receiving the success signal and transitioning to an online standby state, and the server refunding the smartphone. And transmitting a success signal.

According to the present invention, the electric vehicle user facilitates access to a plurality of chargers by using the Bluetooth communication of the smart phone, and the charger search and access, charger operation request and approval, after charging stop with membership authentication, charger authentication, billing payment, etc. By providing a variety of charging services to electric vehicle users, such as requesting a refund, it has a great effect in expanding the charging infrastructure.

1 is a block diagram showing an electric vehicle charging service system according to an embodiment of the present invention.

Figure 2 is a block diagram showing the configuration of an electric vehicle charger according to an embodiment of the present invention.

Figure 3 is a block diagram showing the configuration of an electric vehicle charging service server according to an embodiment of the present invention.

4 is a diagram illustrating an electric vehicle charger search and connection step of the electric vehicle charging service method according to an embodiment of the present invention.

5 is a view showing an electric vehicle charger use approval request and an operation step of the electric vehicle charging service method according to an embodiment of the present invention.

6 is a view showing a refund request step after stopping during charging of the electric vehicle charging service method according to an embodiment of the present invention.

[Description of the code]

10: charger

11: first Bluetooth module

20: server

30: smart phone

31: App

32: second Bluetooth module

40: power providers

An embodiment according to the present invention will be described in detail with reference to the drawings.

1 is a block diagram showing an electric vehicle charging service system according to an embodiment of the present invention. As shown in Figure 1, the electric vehicle charging service system according to an embodiment of the present invention consists of a configuration including a charger 10, a server 20 and a smart phone (30).

The charger 10 serves to supply electricity to the electric vehicle. Although shown as one charger in Figure 1 is also applied to a plurality of chargers, of course. In addition, the charger may be a slow charger or a rapid charger.

The charger 10 includes a first Bluetooth module 11 for short range communication with the smart phone 30.

The server 20 manages information of the charger 10 to provide a charging service to the electric vehicle user.

The smart phone 30 includes an app 31 that provides charging service information to an electric vehicle user between the charger 10 and the server 20.

To this end, the smart phone 30 includes a second Bluetooth module 32 to apply a Bluetooth communication method, which is a short-range communication method, as a communication method with the charger 30. In addition, the smart phone 30 may preferably apply an LTE communication network as a communication network with the server 20. Of course, the present invention can be applied to various other communication networks in addition to the LTE communication network.

Hereinafter, the charger 20 according to the present invention will be described in detail with reference to FIG. 2, which shows a circuit configuration diagram of the charger 20.

As shown in FIG. 2, the charger 10 according to the present invention includes a control unit 12, a display unit 13, a voltage / current detector 14, a short circuit detector 15, a relay 16, and an AC. It consists of a configuration including an output terminal 17 and the temperature sensing unit 18.

The control unit 12 performs information encryption of a communication protocol with the smart phone 30 while communicating with the smart phone 30 in a Bluetooth manner.

The display unit 13 is connected to the control unit 12 and has a function of indicating usage state information of the charger 10. The charger use state information may be information regarding charging charge, use power amount, use current amount, and the like.

The voltage / current sensing unit 14 is connected to the control unit 12 to detect a voltage and current according to the input of the 220V AC power.

In addition, the earth leakage detector 15 functions to detect leakage of current passing through the voltage / current detector 14. In addition, the relay 16 is connected to the control unit 12 to quickly control the charging power in the case of a short circuit detection by the short circuit detecting unit 15. When the risk of a short circuit is not detected, the charger 10 outputs a predetermined power and a current to the electric vehicle battery through the AC output terminal 17.

Meanwhile, the temperature detector 18 detects a temperature rise according to the amount of current detected by the voltage / current detector 14. The temperature sensing unit 18 prevents a fire, etc., due to a sudden temperature increase due to excessive inflow of the amount of current in conjunction with the operation of the relay 16 of the control unit 12.

In addition, the app 31 installed in the smart phone 30 is a charging control app, the charging control app performing a user registration to the DB of the server 20, and searching and connecting the charger 10 And controlling power usage to the charger 10, and performing power on / off control of the charger 10, real-time power usage notation, and cumulative power usage notation.

3 is a block diagram showing the configuration of a charging service server according to the present invention.

As shown in FIG. 3, the server 20 according to the present invention is a member authentication unit 21 for authenticating a member using a user of the charger 10 as a member while LTE-based communication is performed, member history management, and Member management unit 22 for encrypting the member information, the charger authentication unit 23 for authenticating the charger 23, and the electric charge management unit for billing and payment processing of the electric charge according to the power usage through the charger 10 ( 24).

On the other hand, the charging service system according to the present invention, as shown in Figure 1 to produce and / or supply power, including at least one power carrier 40 having its own power transmission, substation and distribution facilities charger The power grid 41 further supplies the power grid 41, and the power grid 41 is connected to the server 20 to support the intelligent power grid 42 to the server 20.

An electric vehicle charging service method will be described using the charging service system according to the present invention described above.

Electric vehicle charging service method according to the present invention, the electric vehicle user based on the app 31 of the smart phone 30 to search for and connect to the electric vehicle charger 10 installed in the vicinity, and the connected electric vehicle charger 10 of Requesting permission for use of the charging service server 20 and the charging service server 20 is configured to include the step of operating the electric vehicle charger (10).

4 is a diagram illustrating an electric vehicle charger search and connection step of the electric vehicle charging service method according to an embodiment of the present invention. An electric vehicle charger searching and connecting step according to the present invention will be described with reference to FIG. 4.

After the electric vehicle user searches and discovers the position of the electric vehicle charger 10 in the vicinity by using the app 31 of the smart phone 30, and is near the electric vehicle charger 10, the electric vehicle user's smart phone ( 30 transmits a scan signal to the first Bluetooth module 11 of the electric vehicle charger 10 (S1). At the same time, the electric vehicle charger 10 transmits the scan response signal of the first Bluetooth module 11 back to the smart phone 30 (S2).

Next, the smart phone 30 requests the server 20 for the Bluetooth password of the scanned electric vehicle charger 10 (S3). At this time, the server 20 retrieves the scanned Bluetooth password of the electric vehicle charger 10 and transmits the retrieved Bluetooth password to the smart phone 30 (S4).

The smart phone 30 pairs with the electric vehicle charger 10 using the Bluetooth password (S5). Next, the smartphone 30 notifies the server 10 of the success of the pairing step (S6).

The server 20 requests the electric vehicle charger 10 using the last usage log of the paired electric vehicle charger 10 as the first cipher used last (S7). The electric vehicle charger 10 transmits the last usage log and the log not updated in the server 10 as the first password to the server 20 (S8).

Next, the server 20 stores the logs encrypted with the first password, checks whether or not a hack is attempted, and generates a new password (S9). In addition, the server 20 encrypts the new password with the first password and transmits the new password to the electric vehicle charger 20 (S10).

The electric vehicle charger 10 receives the new password encrypted with the first password, updates the second password, and stores the second password (S11). Thereafter, the electric vehicle charger 10 transmits the stored second password to the server 20 (S12).

Finally, the server 20 receives the second password to complete the update and completes the charging preparation of the electric charger 10 (S13).

In step S13, the electric vehicle charger search and connection step of the electric vehicle charging service method according to an embodiment of the present invention is completed.

5 is a diagram illustrating an electric vehicle charger use approval request and an operation step of the electric vehicle charging service method according to an embodiment of the present invention. An electric vehicle charger use approval request and an operation step according to the present invention will be described with reference to FIG. 5.

After the step S13, the electric vehicle user commands the charging start by operating the app 31 of the smart phone 30, the smart phone 30 sends a predetermined charging time information with the charging start command to the server 20 Request the approval of the use of the electric charger 10 (S21).

Next, the server 20 checks the charge balance held by the user of the electric vehicle charger 10 and requests the electric vehicle charger 10 to operate power (S22).

At this time, the electric vehicle charger 10 checks the request information of the server 20 and responds to the power operation request information to the server 20 (S23).

At this time, when the success response signal is input, the server 20 subtracts the amount corresponding to a predetermined charging time from the balance of the electric vehicle user according to the success response signal of the power operation request information. In addition, the server 20 indicates that the charger 10 is being charged for the predetermined charging time in the embedded database DB (S24).

Meanwhile, the electric vehicle charging service method according to the present invention may further include a step of requesting a refund after the electric vehicle charger user stops during charging.

6 is a diagram illustrating a refund request step after stopping during charging of the electric vehicle charging service method according to an embodiment of the present invention. Referring to Figure 6 will be described a refund request step after the interruption during charging according to the present invention.

That is, the electric vehicle user requests a refund by operating the app 31 of the smart phone 30 when the electric vehicle user wants to stop the charging during the electric vehicle charging.

At this time, the smart phone 30 requests the server 20 to check the current state (S30).

In addition, the server 20 requests the last usage log from the electric vehicle charger 10 (S31). In contrast, the electric vehicle charger 10 transmits a log not updated with the last usage log to the server 20 (S32).

The server 20 checks the remaining unused amount of the predetermined charging time after updating and storing all the logs (S33). In addition, the server 20 transmits the details of the unused remaining amount to the smart phone 30 (S34).

When the electric vehicle user confirms the details transmitted to the smart phone 30, the smart phone 30 requests the server 20 to refund the amount of money for the unused remaining amount (S35).

Next, the server 20 checks whether there is an ongoing charging operation on the electric vehicle charger 10 (S36). In addition, the server 20 requests to cancel the remaining charging work for the electric vehicle charger 10 (S37).

In response to this, the electric vehicle floor relay 10 transmits a success signal in response to the cancellation request (S38).

The server 20 receives the success signal and transitions to the online standby state (S39). Then, the server 20 transmits a refund success signal to the smart phone 30 (S40).

According to the present invention described above, by using a Bluetooth communication of the smart phone to provide a variety of convenient charging services, such as charger search and connection, charger operation request and approval, request for a refund after stopping the charging to the electric vehicle user to expand the charging infrastructure There is one effect.

In addition, an electric vehicle user may conveniently access various chargers as well as personally owned chargers using a mobile phone to receive various charging services.

It is apparent to those skilled in the art that the present invention described above is not limited to the embodiments described, and that various modifications and changes can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the claims of the present invention.

Claims

At least one charger for supplying electricity to the electric vehicle,

A charging service server that manages information of the charger and provides a charging service to an electric vehicle user;

An electric vehicle charging service system comprising a smart phone having an app that provides charging service information to an electric vehicle user between the charger and the charging service server using Bluetooth communication.
According to claim 1, The charger has a first Bluetooth module for communicating with the smart phone, the control unit for performing information encryption of the communication protocol, the display unit connected to the control unit indicating the state of use of the charger; A short circuit detecting unit configured to be connected to the control unit to detect a voltage and a current according to an input of a 220V AC power source, a short circuit detecting unit to detect leakage of current passing through the voltage and current sensing unit, and a short circuit connected to the control unit In the case of the sensing, it characterized in that it comprises a relay for controlling the charging power, an AC output terminal output by the control of the relay, and a temperature sensing unit for sensing the temperature rise according to the amount of current detected from the voltage and current sensing unit EV charging service system.
According to claim 1 or 2, wherein the smart phone has a second Bluetooth to communicate with the first Bluetooth module of the charger, and a charge control app for controlling the charger, The charge control app is the server of the Performing a user registration with a DB, searching and connecting the charger, and performing a charger power on / off control, a real time power usage indication, and a cumulative power consumption indication while controlling the power usage to the charger. Electric vehicle charging service system comprising a.
According to claim 1 or claim 2, wherein the server is the LTE network-based communication is performed by the member authentication unit for member authentication using the charger user as a member, a member management unit for performing member history management and encryption of member information, An electric vehicle charging service system comprising a charger authentication unit for authenticating the charger and an electric charge manager configured to charge and pay an electric charge according to the amount of power used by the charger.
10. The system of claim 1, further comprising a power grid for producing or / or supplying power and for supplying power produced by at least one power carrier with its own power transmission, substation and distribution facilities to a charger, the power grid comprising: Electric vehicle charging service system characterized in that connected to support the intelligent power grid to the server.
In the electric vehicle charging service method for charging the electric vehicle using a smart phone to communicate with the electric vehicle charger and the server, respectively,

The electric vehicle user searches for and accesses an electric vehicle charger installed nearby based on a smartphone app,

Requesting permission for use of the connected electric vehicle charger to a charging service server, and the charging service server operating the electric vehicle charger.
The method of claim 6, wherein the searching and connecting the electric charger,

Sending a scan signal to the Bluetooth module of the electric vehicle charger by the smart phone;

Transmitting, by the electric vehicle charger, the scan signal of the Bluetooth module to the smartphone;

Requesting a password of a Bluetooth module of the electric vehicle charger scanned by the smartphone to a server;

Retrieving the scanned Bluetooth password of the electric vehicle charger by the server and transmitting the retrieved Bluetooth password to the smart phone;

Pairing the smart phone with the electric vehicle charger using the Bluetooth password;

The smart phone notifying the server of the success of the pairing step;

Requesting, by the server, the electric vehicle charger using the last usage log of the paired electric vehicle charger as the first password used;

Sending, by the electric vehicle charger, the last usage log and the log not updated to the server as the first password to the server;

Generating a new password after the server stores the logs encrypted with the first password and checks whether or not a hack is attempted for the log;

The server encrypting the new password with the first password and sending the new password to the electric vehicle charger;

Receiving, by the electric vehicle charger, a new password encrypted with the first password, updating the second password, and storing the second password;

Transmitting the second password stored in the electric vehicle charger to the server;

And receiving, by the server, the second password, completing an update, and preparing to charge the electric vehicle charger.
The method of claim 6, wherein the electric vehicle charger use approval request and the operation step,

Sending, by the smartphone, a predetermined charging time information together with a charging start command to the server and requesting approval of use of the electric vehicle charger;

Checking, by the server, a charge remaining by a user of the EV charger, and requesting power operation of the EV charger;

Checking, by the electric vehicle charger, request information of the server and responding to the server for power-up request information;

The server subtracting an amount corresponding to a predetermined charging time from the user balance stored in the server according to the response of the power up request information and indicating to the DB that the charger is being charged for the predetermined charging time. Electric vehicle charging service method characterized in that.
7. The method of claim 6, further comprising the step of requesting a refund after the electric vehicle charger user stops during charging.
The method of claim 9, wherein the request for refund after the interruption during the charging process comprises:

Requesting, by the smartphone, the server to check the current status;

Requesting, by the server, the last usage log from the electric vehicle charger;

The electric vehicle charger transmitting a log not updated with the last usage log to the server;

Checking, by the server, all of the logs by updating and storing unused remaining amount of the predetermined charging time;

Transmitting, by the server, the details of the unused remaining amount to the smartphone;

Requesting a refund of the amount of the unused remaining amount from the smartphone to the server;

Checking, by the server, whether there is an ongoing charging operation on the electric vehicle charger;

Requesting, by the server, to cancel the remaining charging work for the electric vehicle charger;

Sending a success signal by the electric vehicle floor electrician to the cancellation request;

The server receiving the success signal and transitioning to an online standby state;

And charging, by the server, a refund success signal to the smart phone.