Battery module of improved stability
First Claim
1. A battery module having a plurality of battery cells electrically connected to each other, the battery module comprising:
- a voltage sensing unit comprising voltage sensing terminals electrically connected to electrode terminal connection portions of the battery cells and a conduction part connected to the voltage sensing terminals to transmit voltages detected by the voltage sensing terminals to a module control unit;
a signal cutoff unit located between the voltage sensing terminals and the conduction part to interrupt transmission of the detected voltages when a short circuit occurs in the conduction part;
a cell unit stack comprising two or more hexahedral cell units electrically connected to each other in a stacked state; and
a module case, the cell unit stack mounted on a side of the module case,wherein the module case comprises an upper case and a lower case, which are coupled each other by vertical assembly,wherein the voltage sensing unit comprises sensing unit frames mounted at a front and a rear of the lower case,wherein the voltage sensing terminals are inserted into the sensing unit frames, andwherein the conduction part is connected between the voltage sensing terminals.
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Accused Products
Abstract
Disclosed herein is a battery module having a plurality of battery cells electrically connected to each other, the battery module including a voltage sensing unit including voltage sensing terminals electrically connected to electrode terminal connection portions of the battery cells and a conduction part connected to the voltage sensing terminals to transmit voltages detected by the voltage sensing terminals to a module control unit and a signal cutoff unit located between the voltage sensing terminals and the conduction part to interrupt transmission of the detected voltages when a short circuit occurs in the conduction part.
11 Citations
20 Claims
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1. A battery module having a plurality of battery cells electrically connected to each other, the battery module comprising:
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a voltage sensing unit comprising voltage sensing terminals electrically connected to electrode terminal connection portions of the battery cells and a conduction part connected to the voltage sensing terminals to transmit voltages detected by the voltage sensing terminals to a module control unit; a signal cutoff unit located between the voltage sensing terminals and the conduction part to interrupt transmission of the detected voltages when a short circuit occurs in the conduction part; a cell unit stack comprising two or more hexahedral cell units electrically connected to each other in a stacked state; and a module case, the cell unit stack mounted on a side of the module case, wherein the module case comprises an upper case and a lower case, which are coupled each other by vertical assembly, wherein the voltage sensing unit comprises sensing unit frames mounted at a front and a rear of the lower case, wherein the voltage sensing terminals are inserted into the sensing unit frames, and wherein the conduction part is connected between the voltage sensing terminals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification