Patent application number | Description | Published |
20110175564 | Battery pack including sensing board and power storage system employing the same - 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. | 07-21-2011 |
20120068545 | ENERGY STORAGE SYSTEM - An energy storage system includes a plurality of battery units; a plurality of thermistors detecting a temperature of the plurality of battery units; a multiplexer performing multiplexing on the plurality of thermistors, and connecting a thermistor selected from among the plurality of thermistors to a reference resistor; a power switch unit arranged between the reference resistor and a power voltage terminal; and a control signal input unit receiving a control signal applied to the multiplexer and the power switch unit, and receiving two or more control bits contained in the control signal. In the energy storage system, a temperature measurement operation is performed at a plurality of measurement positions, whereby a current state of a battery may be accurately detected, an entire circuit may be reduced and simplified, and low power consumption may be realized. | 03-22-2012 |
20130177794 | BATTERY MODULE - A battery module is disclosed. In one embodiment, the battery module includes a module case including a plurality of receiving units and a plurality of unit batteries arranged in the receiving units of the module case, respectively. The battery module may further include a mis-assembly prevention structure configured to couple the unit batteries to the module case and to substantially align each of the unit batteries with the corresponding receiving unit of the module case. The mis-assembly prevention structure may include i) a plurality of first pairs of alignment members formed in the unit batteries, respectively, in substantially diagonal directions with respect to the unit batteries and ii) a plurality of second pairs of alignment members formed in the receiving units of the module case, respectively, in substantially diagonal directions with respect to the receiving units. | 07-11-2013 |
20130207616 | BATTERY SYSTEM, CONTROLLING METHOD OF THE SAME, AND POWER STORAGE SYSTEM INCLUDING THE BATTERY PACK - A battery system, a method of controlling the battery system, and an energy storage system including the battery system are disclosed. The method of controlling the battery system includes steps of selecting one of the plurality of batteries by using a multiplexer; measuring a voltage of the selected battery; and calculating a charging capacity of the battery based on the measured voltage. Accordingly, cell balancing may be efficiently performed. | 08-15-2013 |
20130257383 | Battery Pack, Method of Measuring Voltage of the Battery Pack, and Energy Storage System Including the Battery Pack - A battery system including: a battery, which includes at least one battery cell; a division circuit configured to receive a first voltage of the battery, generate a second voltage from the first voltage, and output the second voltage; an isolation circuit coupled between the battery and the division circuit, the isolation circuit being configured to electrically isolate the battery from the division circuit according to a control signal; and a battery management system coupled to the division circuit. The battery management system includes an isolation circuit control unit configured to generate the control signal; and a measuring unit configured to measure the second voltage. | 10-03-2013 |
20130293020 | BATTERY SYSTEM, METHOD OF CONTROLLING THE SAME, AND ENERGY STORAGE SYSTEM INCLUDING THE BATTERY SYSTEM - A battery management system used to monitor a number of batteries. This battery management system includes a number of isolation circuits electrically connected to the batteries. The battery management system includes a measuring unit electrically connected to the isolation circuits to turn on or off the isolation circuits and measure voltages simultaneously of the batteries when the isolation circuits are turned on by the measuring unit. | 11-07-2013 |
20140028245 | BATTERY PACK INCLUDING SENSING BOARD AND POWER STORAGE SYSTEM EMPLOYING THE SAME - 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. | 01-30-2014 |
20150061687 | BATTERY MANAGEMENT SYSTEM AND OPERATING METHOD THEREOF - A battery management system (BMS) is disclosed. In one aspect, the BMS includes a measuring unit, a pulse applying unit and a main controller unit (MCU). The measuring unit measures the voltage of a battery. The pulse applying unit applies a current pulse to the battery, the current pulse having a predetermined amplitude and period. The MCU calculates a polarization voltage based on the measured voltage and estimates a state of health (SOH) of the battery using a polarization voltage. | 03-05-2015 |