INTERACTIVE CHARGING MANAGEMENT SYSTEM AND METHOD THEREOF

• US 20120161699A1
• Filed: 02/16/2011
• Published: 06/28/2012
• Est. Priority Date: 12/22/2010
• Status: Active Grant

• Current Assignee: Industrial Technology Research Institute
• Original Assignee: Industrial Technology Research Institute
• Inventors: Chiang, Wen-Shu, Chien, Chin-Pin, Lin, An-Hung
• Granted Patent: US 8,508,187 B2
• Time in Patent Office: Days
• US Class Current: 320/109
• CPC Class Codes: B60L 2240/70 Interactions with external data bases, e.g. traffic centres
• CPC Class Codes: B60L 53/63 in response to network capacity
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: B60L 53/67 Controlling two or more charging stations
• CPC Class Codes: B60L 53/68 Off-site monitoring or control, e.g. remote control
• 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: 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 10/72 Electric energy management in electromobility
• 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 30/12 Remote or cooperative charging
• CPC Class Codes: Y04S 30/14 Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

An interactive charging management system and a method thereof are provided. The method is applicable to a plurality of electric vehicles, and which includes dynamically adjusting usable power information respectively provided by a plurality of charging posts respectively corresponding to and coupled to the electric vehicles according to demand power information of the respective electric vehicles; and making the charging posts non-uniformly provide a plurality of charging powers to the respective electric vehicles according to the adjusted usable power information.

Claims

1. An interactive charging management system, comprising:

a first charging post, for providing a first usable power information and a first charging power;

a first electric vehicle, coupled to the first charging post, the first electronic vehicle being charged according to the first usable power information and the first charging power both provided by the first charging post; and

a far-end control center, coupled to the first charging post, for dynamically adjusting the first usable information according to a first demand power information of the first electronic vehicle, and thus changing the first charging power,

wherein the first electronic vehicle transmits the first demand power information to the far-end control center through the first charging post.

2. The interactive charging management system according to claim 1, further comprising:

a second charging post, for providing a second usable power information and a second charging power; and

a second electronic vehicle, coupled to the second charging post, the second electronic vehicle being charged according to the second usable power information and the second charging power both provided by the second charging post,

wherein the far-end control center is further coupled to the second charging post for dynamically adjusting the second usable power information according to the a second demand power information of the second electronic vehicle, and thus changing the second charging power; and

wherein the second electronic vehicle transmits the second demand power information to the far-end control center through the second charging post.

3. The interactive charging management system according to claim 2, wherein the first electronic vehicle comprises:

a battery;

a battery management system (BMS), coupled to the battery, for detecting a residual power of the battery, and determining a charging strategy and generating the first demand power information relating to the charging strategy according to the residual power and the first usable power information;

a charger, coupled to the battery, for receiving the first charging power, and transmitting the first charging power to charge the battery in response to a charging control signal;

a charging controller, coupled to the BMS and the charger, for generating the charging control signal according to the charging strategy so as to control the first charging power transmitted from the charger to the battery; and

a first transceiver, coupled to the BMS and the charging controller, for receiving and transmitting the first usable power information to the charging controller,

wherein the BMS obtains the first usable power information through the charging controller, and the BMS further transmits the first demand power information through the first transceiver.

4. The interactive charging management system according to claim 3, wherein the first charging post comprises:

a charging post controller, for providing the first usable power information to the first transceiver, and receiving and transmitting the first demand power information transmitted by the first transceiver to the far-end control center;

a power switch, coupled between the charging post controller and the charger, wherein the charging post controller further controls operation of the power switch so as to determine whether to provide the first charging power to the charger; and

an electric meter, coupled to the power switch, for receiving a city power, and transmitting and measuring the first charging power provided to the charger when the charging post controller controls the power switch to be turned on.

5. The interactive charging management system according to claim 2, wherein the second electronic vehicle comprises:

a battery;

a battery management system (BMS), coupled to the battery, for detecting a residual power of the battery, and determining a charging strategy and generating the second demand power information relating to the charging strategy according to the residual power and the second usable power information;

a charger, coupled to the battery, for receiving the second charging power, and transmitting the second charging power to charge the battery in response to a charging control signal;

a charging controller, coupled to the BMS and the charger, for generating the charging control signal according to the charging strategy so as to control the second charging power transmitted from the charger to the battery; and

a first transceiver, coupled to the BMS and the charging controller, for receiving and transmitting the second usable power information to the charging controller,

wherein the BMS obtains the second usable power information through the charging controller, and the BMS further transmits the second demand power information through the first transceiver.

6. The interactive charging management system according to claim 5, wherein the second charging post comprises:

a charging post controller, for providing the second usable power information to the first transceiver, and receiving and transmitting the second demand power information transmitted by the first transceiver to the far-end control center;

a power switch, coupled between the charging post controller and the charger, wherein the charging post controller further controls operation of the power switch so as to determine whether to provide the second charging power to the charger; and

an electric meter, coupled to the power switch, for receiving a city power, and transmitting and measuring the second charging power provided to the charger when the charging post controller controls the power switch to be turned on.

7. The interactive charging management system according to claim 2, wherein the first and the second charging posts are respectively further for receiving and transmitting the first and the second demand power information to the far-end control center, and the far-end control center comprises:

a second transceiver, for receiving the first and the second demand power information respectively transmitted by the first and the second charging posts; and

a far-end controller, coupled to the second transceiver, wherein the far-end controller dynamically adjusts the first and the second usable power information respectively provided by the first and the second charging posts through the second transceiver according to the first and the second demand power information received by the second transceiver.

8. The interactive charging management system according to claim 2, wherein a sum of the first and the second charging powers respectively provided by the first and the second charging posts is smaller than a total power consumption.

9. The interactive charging management system according to claim 8, wherein the total power consumption is determined by a contract capacity.

10. The interactive charging management system according to claim 2, wherein the first and the second charging powers respectively provided by the first and the second charging posts are different.

11. An interactive charging management method, suitable for a plurality of electronic vehicles, and the interactive charging management method comprising:

adjusting dynamically usable power information respectively provided by a plurality of charging posts respectively corresponding to and coupled to the electric vehicles according to demand power information of the respective electric vehicles; and

making the charging posts non-uniformly provide a plurality of charging powers to the respective electric vehicles according to the adjusted usable power information.

12. The interactive charging management method according to claim 11, wherein a sum of the charging powers is smaller than a total power consumption.

13. The interactive charging management method according to claim 11, wherein the total power consumption is determined by a contract capacity.