FAULTY CELL DETECTION DEVICE AND FAULTY CELL DETECTION METHOD
First Claim
1. A device to detect a faulty cell in a battery module, comprising:
- a current sensor comprisinga first current sensor configured to measure a current of a battery pack comprising the battery module, anda second current sensor configured to measure a current of a battery cell among battery cells in the battery module; and
a faulty cell detector configured to detect occurrence of the faulty cell based on the measured current of the battery pack and the measured current of the battery cell.
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Abstract
A faulty cell detection device and a faulty cell detection method are provided for detecting a faulty cell of a battery pack using a current sensor. The device may include a current sensor including a first current sensor configured to measure a current of a battery pack including the battery module, and a second current sensor configured to measure a current of a battery cell among battery cells in the battery module. The device may also include a faulty cell detector configured to detect occurrence of the faulty cell based on the measured current of the battery pack and the measured current of the battery cell.
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Citations
20 Claims
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1. A device to detect a faulty cell in a battery module, comprising:
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a current sensor comprising a first current sensor configured to measure a current of a battery pack comprising the battery module, and a second current sensor configured to measure a current of a battery cell among battery cells in the battery module; and a faulty cell detector configured to detect occurrence of the faulty cell based on the measured current of the battery pack and the measured current of the battery cell. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method to detect a faulty cell in a battery module, comprising:
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measuring a current of a battery pack comprising the battery module and a current of a battery cell among battery cells; and detecting faulty cells based on the measured current of the battery pack and the measured current of the battery cell. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A device to detect a faulty cell in a battery module, comprising:
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a current sensor comprising a first current sensor configured to measure a current of a battery pack comprising the battery module, and a second current sensor configured to measure a current of a resistor connected in parallel with the battery cells; and a faulty cell detector configured to detect the measured current of the battery pack and occurrence of faulty cells based on the measured current of the resistor. - View Dependent Claims (18, 19, 20)
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Specification