Battery pack including sensing board and power storage system employing the same

• US 20110175564A1
• Filed: 08/04/2010
• Published: 07/21/2011
• Est. Priority Date: 01/18/2010
• Status: Active Grant

• Current Assignee: Samsung SDI Company Limited, SDI Limited (SDI Technologies Incorporated)
• Original Assignee: Samsung SDI Company Limited
• Inventors: Shim, Kyung-Sub
• Granted Patent: US 8,569,998 B2
• Time in Patent Office: Days
• US Class Current: 320/101
• CPC Class Codes: H01M 10/482 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: H01M 50/569 Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals battery terminal connectors with integrated measuring arrangements G01R31/364
• CPC Class Codes: H02J 7/00036 Charger exchanging data with battery
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A battery pack includes a battery unit including rechargeable batteries, a sensing board, the sensing board configured to process status information detected from the batteries, and a harness wire, the harness wire connecting the batteries and the sensing board so that the status information can be transmitted to the sensing board.

Claims

1. A battery pack, comprising:

a battery unit including rechargeable batteries;

a sensing board, the sensing board configured to process status information detected from the batteries; and

a harness wire, the harness wire connecting the batteries and the sensing board for transmitting the status information to the sensing board.

2. The battery pack as claimed in claim 1, wherein the battery pack has integrated therein the battery unit, the sensing board, and the harness wire.

3. The battery pack as claimed in claim 2, wherein the sensing board is configured to perform analog/digital conversion of the status information and transmit the converted digital signal to a control unit.

4. The battery pack as claimed in claim 2, wherein the sensing board is configured to process status information that includes information regarding one or more of voltage, current, and temperature of the battery pack.

5. The battery pack as claimed in claim 4, wherein the sensing board is configured to process status information that includes information regarding one or more of voltage, current, and temperature of respective batteries of the battery pack.

6. The battery pack as claimed in claim 1, wherein the batteries include nickel-cadmium batteries, lead acid batteries, nickel metal hydride batteries, lithium ion batteries, lithium polymer batteries, or a combination thereof

7. A power storage system, comprising:

a battery pack, the battery pack including;

a battery unit including rechargeable batteries,

a sensing board configured to process status information detected from the batteries, and

a harness wire, the harness wire connecting the batteries and the sensing board for transmitting the status information to the sensing board;

a battery management system (BMS) for controlling the status of the battery pack; and

a power management system (PMS) for controlling overall power supply among the battery pack and peripheral devices.

8. The power storage system as claimed in claim 7, wherein the battery pack has integrated therein the battery unit, the sensing board, and the harness wire.

9. The power storage system as claimed in claim 8, wherein the sensing board is configured to perform analog/digital conversion of the status information and transmit the converted digital signal to the BMS.

10. The power storage system as claimed in claim 9, wherein the BMS is configured to transmit the status information to the PMS, and to control charging and discharging of the battery unit.

11. The power storage system as claimed in claim 8, wherein the sensing board is configured to process status information that includes information regarding one or more of voltage, current, and temperature of the battery pack.

12. The power storage system as claimed in claim 11, wherein the sensing board is configured to process status information that includes information regarding one or more of voltage, current, and temperature of respective batteries of the battery pack.

13. The power storage system as claimed in claim 7, wherein the batteries include nickel-cadmium batteries, lead acid batteries, nickel metal hydride batteries, lithium ion batteries, lithium polymer batteries, or a combination thereof.

14. The power storage system as claimed in claim 7, wherein:

the peripheral devices include a power generating system for generating power, and

the PMS is configured to receive power from the power generating system.

15. The power storage system as claimed in claim 14, wherein the power generating system includes one or more of a photovoltaic system, a wind power generating system, and a tidal power generating system.

16. The power storage system as claimed in claim 14, wherein:

the peripheral devices include a commercial grid, and

the PMS is configured to receive commercial power from the commercial grid.

17. The power storage system as claimed in claim 16, wherein the commercial grid includes power plants, substations, and power lines.

18. The power storage system as claimed in claim 16, wherein:

the peripheral devices include a load for consuming power provided by the PMS, and

the PMS is configured to provide power to the load.

19. The power storage system as claimed in claim 18, wherein the load includes a household or a commercial facility.