Battery module equipped with sensing modules having improved coupling structure
A battery module according to an exemplary embodiment of the present disclosure includes a plurality of cell cartridges including at least one battery cell having an electrode terminal and a molding case to receive the battery cell, the molding case having a plurality of coupling protrusions protruding outward, and a sensing module connected to the coupling protrusions to couple the plurality of cell cartridges, the sensing module having a voltage sensing terminal coming into contact with the electrode terminal by the coupling. According to one aspect of the present disclosure, a cost and time taken to manufacture the battery module may reduce by simplifying a connection structure of the plurality of battery cells, and simplifying a coupling structure between the battery cell and the sensing module installed to sense the voltage of the battery cell.
1. A battery module comprising:
a plurality of cell cartridges including at least one battery cell having an electrode terminal and a molding case to receive the battery cell, the molding case having a plurality of coupling protrusions protruding outward from the at least one battery cell;
a sensing module connected to the coupling protrusions to couple the plurality of cell cartridges, the sensing module having a voltage sensing terminal coming into contact with the electrode terminal by the coupling; and
a sensing module cover connected to the coupling protrusions and coupled to the sensing module,
wherein the sensing module comprises a plurality of first guide ribs having a shape corresponding to the coupling protrusions so that the sensing module is coupled to the cell cartridges in a sliding manner using the first guide ribs,
wherein the sensing module cover comprises a second guide rib having a shape corresponding to the coupling protrusions so that the sensing module cover is coupled to the cell cartridges in a sliding manner using the second guide ribs, and
wherein the sensing module is coupled to a first part of the coupling protrusions, and the sensing module cover is coupled to a second part of the coupling protrusions.
2. The battery module according to claim 1 , wherein the voltage sensing terminal presses the electrode terminal in an elastically deformable manner by the coupling.
3. The battery module according to claim 1 , wherein the sensing module comprises:
a circuit board connected to the voltage sensing terminal.
4. The battery module according to claim 3 , wherein the sensing module comprises:
a connector terminal to which an external device is connected, the external device connected to the circuit board to measure a voltage of the battery cell.
5. The battery module according to claim 1 , wherein the sensing module cover comprises:
a support rib disposed on the opposite side to the voltage sensing terminal across the electrode terminal to support the electrode terminal.
6. The battery module according to claim 1 , wherein the battery module comprises:
an external terminal electrically connected to the electrode terminal.
7. The battery module according to claim 6 , wherein the battery module comprises:
a bus bar to connect the electrode terminal to the external terminal.
8. The battery module according to claim 1 , wherein the molding case surrounds the at least one battery cell.