Battery pack
AssigneeSamsung SDI Co., Ltd.
InventorDae Hyeong Yoo
Life of this patent
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Abstract
A battery pack that allows easy application of injection molding in the formation of a battery case and is capable of improving fastening strength of the case components. For this purpose, the battery pack comprises a plurality of battery cells; a circuit module electrically connected to the plurality of battery cells; and a case accommodating the plurality of battery cells and the circuit module, wherein the case includes a first case shaped in the form of an open box and having a plurality of coupling protrusions formed thereon and a second case shaped in the form of an open box and having a plurality of coupling holes engaging with the plurality of coupling protrusions in order to couple the second case with the first case.
Claims21
A battery pack, comprising:
- a plurality of battery cells;
- a circuit module electrically connected to the battery cells;
- and
- a case to accommodate the battery cells and the circuit module,
- wherein the case comprises:
- a first case shaped in the form of an open box and having a plurality of coupling protrusions formed thereon, and
- a second case shaped in the form of an open box, being coupled with the first case and having a plurality of coupling holes to engage with the plurality of coupling protrusions.
A method of manufacturing a battery pack comprising a first case, a second case, a plurality of battery cells, a circuit module and a connector, the method comprising:
- injection molding a first case integrally including at least a placement surface, lateral sides, a plurality of coupling protrusions on one long lateral side of the first case, a guide wall, a rib wall, a rib side, a plurality of auxiliary holes in at least the second long lateral side of the first case and a first connector-exposing groove;
- injection molding a second case integrally including at least a cover surface, lateral sides, a plurality of coupling holes in one long lateral side of the second case, a plurality of auxiliary protrusions on at least the second long lateral side of the second case, a second isolation wall and a second connector-exposing groove;
- placing the plurality of battery cells on the placement surface;
- connecting the plurality of battery cells to the connector;
- and
- joining the first case to the second case,
- wherein the number of coupling protrusions equals the number of coupling holes, the number of auxiliary holes equals the number of auxiliary protrusions, each coupling protrusion corresponds in position to a coupling hole and each auxiliary hole corresponds in position to an auxiliary protrusion.
Dependencies are inferred from the claim text.