Apparatus and Method for Battery Balancing
First Claim
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1. An apparatus for battery balancing, comprising:
- a plurality of batteries including positive terminals and negative terminals;
a plurality of power relay assemblies including precharge resistors, a plurality of relays, input terminals, and output terminals and electrically connecting or disconnecting the input terminals to or from the output terminals, the input terminals being connected to the positive terminals and the negative terminals of the batteries; and
a manager connected to each of the batteries and the power relay assemblies, monitoring a state of each of the batteries, and determining a balancing mode at the time of the occurrence of the battery of which the voltage unbalance is sensed to control the power relay assembly,wherein the output terminals of the power relay assemblies are connected in parallel.
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Abstract
Provided are an apparatus and a method for battery balancing, and more particularly, an apparatus and a method for battery balancing capable of implementing balancing between batteries which are connected in parallel by controlling a power relay assembly.
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Citations
14 Claims
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1. An apparatus for battery balancing, comprising:
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a plurality of batteries including positive terminals and negative terminals; a plurality of power relay assemblies including precharge resistors, a plurality of relays, input terminals, and output terminals and electrically connecting or disconnecting the input terminals to or from the output terminals, the input terminals being connected to the positive terminals and the negative terminals of the batteries; and a manager connected to each of the batteries and the power relay assemblies, monitoring a state of each of the batteries, and determining a balancing mode at the time of the occurrence of the battery of which the voltage unbalance is sensed to control the power relay assembly, wherein the output terminals of the power relay assemblies are connected in parallel. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for battery balancing using an apparatus for battery balancing including a battery, a power relay assembly, and a manager, the method comprising:
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monitoring, by the manager, voltages of each battery in real time; determining, by the manager, an unbalance of the voltages of each battery monitored in the monitoring; determining, by the manager, a balancing mode when the battery determined as the voltage unbalance in the determining of the unbalance occurs; and controlling, by the manager, the power relay assembly depending on the balancing mode determined in the determining of the balancing mode. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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Specification