Electric vehicle and method of operating using an SAE standard and user terminal

• US 9,566,873 B2
• Filed: 10/19/2012
• Issued: 02/14/2017
• Est. Priority Date: 10/20/2011
• Status: Active Grant

• Current Assignee: Ls Electric Co., Ltd.
• Original Assignee: LSIS Co. Ltd. (LS Corporation)
• Inventors: Chauhdary, Sajjad Hussain, Hahn, Kwang Soo
• Primary Examiner(s): Whitmore, Stacy
• Application Number:
  US14/353,009
• Publication Number:
  US 20150022161A1
• Time in Patent Office: 1,579 Days
• Field of Search: 320/111, 320108-109
• US Class Current: 1/1
• CPC Class Codes: B60L 2240/80 Time limits
• CPC Class Codes: B60L 2250/16 by display
• CPC Class Codes: B60L 2260/44 by parameter estimation
• CPC Class Codes: B60L 53/12 Inductive energy transfer
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/305 Communication interfaces
• CPC Class Codes: B60L 53/60 Monitoring or controlling charging stations
• CPC Class Codes: B60L 53/62 in response to charging parameters, e.g. current, voltage or electrical charge
• CPC Class Codes: B60L 53/63 in response to network capacity
• CPC Class Codes: B60L 53/64 Optimising energy costs, e.g. responding to electricity rates
• CPC Class Codes: B60L 53/66 Data transfer between charging stations and vehicles
• CPC Class Codes: B60L 53/665 Methods related to measuring, billing or payment
• CPC Class Codes: B60L 55/00 Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
• CPC Class Codes: B60L 58/12 responding to state of charge [SoC]
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 7/00036 Charger exchanging data with battery
• CPC Class Codes: H02J 7/00047 with provisions for charging different types of batteries
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y02T 10/70 : Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 : Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 : Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 : Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y02T 90/167 : Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: Y04S 10/126 : the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
• CPC Class Codes: Y04S 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

An electric vehicle charges a battery through an electric vehicle power supply apparatus, and periodically checks a current charged state of the battery during a charging operation. During the charging operation, the electric vehicle transmits to a user terminal a first charging information notifying message including information on a current charged state of the battery. When the completion of charging of the battery is detected, the electric vehicle transmits to the user terminal a second charging information notifying message providing notification of the completion of charging of the battery.

Claims

1. An operating method of an electric vehicle including a battery, a control unit and a communication unit, the method comprising:

establishing communication with an electric vehicle power supply device when an SAE J1772 connector of the electric vehicle is connected to a charging/discharging point of the electric vehicle power supply device;

performing an authentication operation on the electric vehicle power supply device via the established communication;

charging the battery via the electric vehicle power supply device;

checking a current state of charging of the battery; and

transmitting a first charging information notification message that includes information related to the current state of charging to a user terminal device,

wherein charging the battery is started if the authentication operation is successful,

wherein the control unit of the electric vehicle determines whether or not charging the battery is possible,

wherein when the charging the battery is possible, the communication unit of the electric vehicle transmits the first charging information notification message to the user terminal device, and

wherein when the charging the battery is not possible, the communication unit of the electric vehicle transmits a charging error information notification message to the user terminal device.

2. The method according to claim 1, further comprising:

detecting completion of the battery charging; and

transmitting a second charging information notification message that indicates completion of the battery charging to the user terminal device upon detecting completion of the battery charging.

3. The method according to claim 2, further comprising checking an actual charge end time of the battery upon detecting completion of the battery charging,

wherein the second charging information notification message includes information related to the actual charge end time and information indicating completion of the battery charging.

4. The method according to claim 3, wherein the second charging information notification message further includes at least information related to an initial state of charging of the battery, the information related to the current state of charging and information related to a charge start time of the battery.

5. The method according to claim 1, wherein the first charging information notification message further includes information indicating that the battery is charging.

6. The method according to claim 1, further comprising checking an initial state of charging of the battery, wherein the first charging information notification message further includes information related to an initial state of charging of the battery.

7. The method according to claim 1, further comprising checking a charge start time of the battery, wherein the first charging information notification message further includes information related to a charge start time of the battery.

8. The method according to claim 1, further comprising predicting an estimated charge end time of the battery based on the current state of charging, wherein the first charging information notification message further includes information related to the estimated charge end time of the battery.

9. The method according to claim 1, wherein the authentication operation is performed via SAE J2836-1 and SAE J2847-1.

10. The method according to claim 1, wherein:

the current state of charging of the battery is checked periodically; and

the first charging information notification message is transmitted periodically.