Power storage device

• US 20080111424A1
• Filed: 11/15/2006
• Published: 05/15/2008
• Est. Priority Date: 10/17/2006
• Status: Abandoned Application

• Current Assignee: Ming-Hsiang Yeh
• Original Assignee: Ming-Hsiang Yeh
• Inventors: Yeh, Ming-Hsiang
• Application Number:
  US11/599,616
• Publication Number:
  US 20080111424A1
• Time in Patent Office: Days
• US Class Current: 307/65
• CPC Class Codes: H02J 1/10 Parallel operation of dc sources
• CPC Class Codes: H02J 2300/24 of photovoltaic origin
• CPC Class Codes: H02J 2300/28 The renewable source being wind energy wind motors F03D
• CPC Class Codes: H02J 2300/30 The power source being a fuel cell
• CPC Class Codes: H02J 2300/40 wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
• CPC Class Codes: H02J 3/381 Dispersed generators
• CPC Class Codes: H02J 7/34 Parallel operation in networks using both storage and other dc sources, e.g. providing buffering H02J7/14 takes precedence
• CPC Class Codes: H02J 9/061 for DC powered loads
• CPC Class Codes: H02J 9/062 for AC powered loads
• CPC Class Codes: Y02B 10/70 Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
• CPC Class Codes: Y02B 90/10 Applications of fuel cells in buildings
• CPC Class Codes: Y02E 10/56 Power conversion systems, e.g. maximum power point trackers
• CPC Class Codes: Y02E 10/76 Power conversion electric or electronic aspects

Abstract

An improved structure of power storage device comprises at least three power sources and an uninterruptible power supply (UPS) system. The at least three power sources comprise a commercial power service and anyone selected from a fuel generator, a solar power generator, a wind power generator, a battery generator, and a fuel cell generator. The UPS system has a built-in power source selector. The UPS system has an output terminal for coupling with an electric appliance and an input terminal for connection with the at least three power sources via the power source selector. As a result, the UPS system becomes a power supply and the built-in power source selector selects another power source during the commercial power interruption so as to enable the electric appliance to work normally until the commercial power interruption is over.

Claims

1. A power storage device, comprising:

at least three power sources, wherein a first power source of said at least three power sources is obtained via a commercial power socket; and

an uninterruptible power supply (UPS) system having a built-in power source selector, wherein said UPS system has an output terminal for coupling with an electric appliance and an input terminal for connection with said at least three power sources via said power source selector, whereby said UPS system can supply the commercial power stored therein for said electric appliance and utilize said built-in power source selector to select a second power source from said at least three power sources during the commercial power interruption so as to enable said electric appliance to work normally.

2. A power storage device of claim 1, wherein said at least three power sources comprise alternating current (AC) and direct current (DC) power sources.

3. A power storage device of claim 1, wherein said second power source of said at least three power sources is a fuel generator, a solar power generator, a wind power generator, a manpower generator, a battery generator, or a fuel cell generator.

4. A power storage device of claim 1, wherein said third power source of said at least three power sources is a fuel generator, a solar power generator, a wind power generator, a manpower generator, a battery generator, or a fuel cell generator.

5. A power storage device of claim 1, wherein said built-in power source selector of said UPS system is a software program.

6. A power storage device of claim 1, wherein said built-in power source selector of said UPS system is a hardware device, and said hardware device is a relay, a reed switch, or a motor.