Battery pack
First Claim
Patent Images
1. A battery pack, the battery pack comprising:
- n battery modules;
n slave battery management systems corresponding to the n battery modules, the n slave battery management systems respectively and sequentially coupled to each other; and
a master battery management system coupled to the n slave battery management systems,wherein the master battery management system is configured to apply a trigger signal to a first slave battery management system of the n slave battery management systems,wherein the first to (n−
1)th slave battery management systems are configured to transmit the trigger signal and first to (n−
1)th signals including different connection error order information for indicating whether the slave battery management systems are connected in order, which are different from each other, to a next slave battery management system of the n slave battery management systems,wherein an nth slave battery management system of the n slave battery management systems is configured to transmit an nth signal to the master battery management system, andwherein n is an integer greater than or equal to two.
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Abstract
Provided is a battery pack, which can prevent a plurality of battery modules from being abnormally assembled. The battery pack may include n battery modules; n slave battery management systems (BMSs) corresponding to the n battery modules, the n slave BMSs respectively and sequentially coupled to each other; and a master BMS coupled to the n slave BMSs. Here, the master BMS is configured to apply a trigger signal to a first slave BMS, the first to (n−1)th slave BMSs are configured to transmit the trigger signal and first to (n−1)th signals, which are different from each other, to a next slave BMS, an nth slave BMS is configured to transmit an nth signal to the master BMS.
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Citations
12 Claims
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1. A battery pack, the battery pack comprising:
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n battery modules; n slave battery management systems corresponding to the n battery modules, the n slave battery management systems respectively and sequentially coupled to each other; and a master battery management system coupled to the n slave battery management systems, wherein the master battery management system is configured to apply a trigger signal to a first slave battery management system of the n slave battery management systems, wherein the first to (n−
1)th slave battery management systems are configured to transmit the trigger signal and first to (n−
1)th signals including different connection error order information for indicating whether the slave battery management systems are connected in order, which are different from each other, to a next slave battery management system of the n slave battery management systems,wherein an nth slave battery management system of the n slave battery management systems is configured to transmit an nth signal to the master battery management system, and wherein n is an integer greater than or equal to two. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A battery pack, the battery pack comprising:
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n battery modules; n slave battery management systems corresponding to the n battery modules, the n slave battery management systems respectively and sequentially coupled to each other; and a master battery management system coupled to the n slave battery management systems, wherein the master battery management system is configured to apply a trigger signal to a first slave battery management system of the n slave battery management systems, wherein the first to (n−
1)th slave battery management systems are configured to transmit the trigger signal and first to (n−
1)th signals, which are different from each other, to a next slave battery management system of the n slave battery management systems,wherein an nth slave battery management system of the n slave battery management systems is configured to transmit an nth signal to the master battery management system, wherein n is an integer greater than or equal to two, wherein the first slave battery management system is configured to store the trigger signal of the master battery management system as a reference value, and wherein the second to nth slave battery management systems are configured to store input signals to be applied from a preceding slave battery management system of the n slave battery management systems as reference values. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification