Energy storage system with wired and wireless energy transfer function

• US 9,391,462 B2
• Filed: 08/28/2012
• Issued: 07/12/2016
• Est. Priority Date: 01/30/2012
• Status: Active Grant

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: Yang, Yil Suk, Kim, Jong Dae, Heo, Se Wan, Oh, Ji Min, Kim, Min Ki, Kwon, Jong Kee
• Primary Examiner(s): Fureman, Jared
• Assistant Examiner(s): Pham, Duc M
• Application Number:
  US13/596,618
• Publication Number:
  US 20130193774A1
• Time in Patent Office: 1,414 Days
• Field of Search: 307/104
• US Class Current: 1/1
• CPC Class Codes: H02J 50/00 Circuit arrangements or systems for wireless supply or distribution of electric power
• CPC Class Codes: H02J 7/0063 with circuits adapted for supplying loads from the battery
• CPC Class Codes: Y02B 70/3225 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 20/222 Demand response systems, e.g. load shedding, peak shaving

Abstract

Disclosed is an energy storage system provided with a wired and wireless energy transfer function. The energy storage system includes: an energy input unit to which energy generated from a plurality of energy sources is input; an energy input control unit for selecting one energy source from among the plurality of energy sources, and transferring energy of the selected energy source through operation in a wired operation mode or a wireless operation mode; a wireless energy transmitting/receiving unit for wirelessly transmitting/receiving the energy of the selected energy source during the operation in the wireless operation mode of the energy input control unit; an energy storage/control unit for storing the energy of the selected energy source; an energy output unit for consuming the energy stored in the energy storage/control unit; and an energy output control unit for distributing the energy stored in the energy storage/control unit to the energy output unit.

Claims

1. An energy storage system provided with a wired and wireless energy transfer function, the energy storage system comprising:

an energy input unit to which energy generated from a plurality of energy sources is input;

an energy input control unit for selecting one energy source from among the plurality of energy sources, and transferring energy of the selected energy source through operation in a wired operation mode or a wireless operation mode;

a wireless energy transmitting/receiving unit for wirelessly transmitting/receiving the energy of the selected energy source during the operation in the wireless operation mode of the energy input control unit;

an energy storage/control unit for storing the energy of the selected energy source;

an energy output unit for consuming the energy stored in the energy storage/control unit; and

an energy output control unit for distributing the energy stored in the energy storage/control unit to the energy output unit,

wherein the energy input unit comprises an irregular self energy input source, an instable new renewable energy input source and a regular base energy input source,

wherein the regular base energy input source is stable electric energy generated from a base electric energy source,

wherein energy from a selected one of the plurality of energy sources passes through the energy input control unit and/or the wireless energy transmitting/receiving unit and is stored in the energy storage/control unit via the energy input control unit in an indirect operation mode, and

wherein energy from a selected one of the plurality of energy sources is directly stored in the energy storage/control unit by a control signal of the energy storage/control unit in a direct operation mode.

2. The energy storage system of claim 1, wherein in a first indirect operation mode, the energy of the selected energy source is stored in the energy storage/control unit by a control signal of the energy input control unit by sequentially passing through the energy input unit and the energy input control unit, and the energy stored in the energy storage/control unit is distributed to the energy output unit by a control signal of the energy output control unit.

3. The energy storage system of claim 1, wherein in a second indirect operation mode, the energy of the selected energy source is stored in the energy storage/control unit by a control signal of the energy input control unit by sequentially passing through the energy input unit, the wireless energy transmitting/receiving unit and the energy input control unit, and the energy stored in the energy storage/control unit is distributed to the energy output unit by a control signal of the energy output control unit.

4. The energy storage system of claim 1, wherein in a third indirect operation mode, the energy of the selected energy source is stored in the energy storage/control unit by sequentially passing through the energy input unit and the wireless energy transmitting/receiving unit, and the energy stored in the energy storage/control unit is distributed to the energy output unit by a control signal of the energy output control unit.

5. The energy storage system of claim 1, wherein the energy stored in the energy storage/control unit is distributed to the energy output unit by a control signal of the energy output control unit.

6. The energy storage system of claim 1, wherein

the irregular self energy input source is irregular and random electric energy harvested from multi self-charging energy converting devices, and

instable new renewable energy input source is instable electric energy generated from a new renewable energy source.

7. The energy storage system of claim 1, wherein the energy input control unit comprises:

a wired and wireless operation mode selector for selecting the wired operation mode or the wireless operation mode; and

an energy management system for selecting one energy source from among the plurality of energy sources, and transferring the energy of the selected energy source to the energy storage/control unit through operation in an operation mode selected by the wired and wireless operation mode selector.

8. The energy storage system of claim 1, wherein the energy input control unit comprises:

an input energy selector for selecting one energy source from among the plurality of energy sources;

a wired and wireless operation mode selector for selecting the wired operation mode or the wireless operation mode; and

an energy management system for transferring the energy of the energy source selected by the input energy selector to the energy storage/control unit through operation in an operation mode selected by the wired and wireless operation mode selector.

9. The energy storage system of claim 1, wherein the secondary battery module is used to store the energy from an energy source that is at least one of the irregular self energy input source and the instable new renewable energy input source.

10. The energy storage system of claim 4, wherein the one energy source from the plurality of energy sources is selected as the selected energy source by a control signal of the energy input control unit.

11. The energy storage system of claim 5, wherein the one energy source from the plurality of energy sources is selected as the selected energy source by a control signal of the energy storage/control unit.