Battery module

A battery module, comprising:

• a plurality of batteries, two opposite sides of a top surface of each battery being equipped with a positive electrode and a negative electrode, respectively;
• an upper cover covered on the plurality of the batteries, the upper cover having a plurality of blocking walls surrounding a plurality of first mounting areas and two second mounting areas, each of the first mounting areas and the two second mounting areas having two lateral blocking walls opposite to each other, two inner surfaces of the two lateral blocking walls extending towards each other to form two protrusions, a top surface of each protrusion being recessed inward to form a location hole, each of the plurality of the first mounting areas and the two second mounting areas having a top surface protruding upward to form a rib transversely connected to the two protrusions with the two location holes disposed respectively between the rib and the two lateral blocking walls, each first mounting area having two first perforations respectively exposing one positive electrode and one negative electrode of the batteries, each second mounting area having one first perforation and the two first perforations of the two second mounting areas exposing another positive electrode and another negative electrode of the batteries;
• a plurality of bus-bars including a plurality of first bus-bars disposed in the plurality of the first mounting areas and two second bus-bars disposed in the two second mounting areas, each bus-bar having a main portion and a plurality of fastening holes penetrating through an upper part of the main portion, two opposite ends of the upper part extending downward to form two hooking portions respectively inserted into the two location holes of the two protrusions of a corresponding first or second mounting area, the upper part of the main portion of each first bus-bar having two opposite sides extending down and then outward to form two wings with two second perforations respectively penetrating through the two wings, the two second perforations being disposed above the two first perforations of the corresponding first mounting area and further exposing the one positive electrode and the one negative electrode exposed by two first perforations of the corresponding first mounting area, the two second bus-bars being located at a middle of a front end of the plurality of the bus-bars, the upper part of the main portion of each second bus-bar having one side extended to form one wing with one second perforation penetrating through the one wing, and the two second perforations of the two second bus-bars being disposed above the two first perforations of the two second mounting areas and further exposing the another positive electrode and the another negative electrode exposed by the two first perforations of the two second mounting areas;
• a plurality of detection lines disposed on a top surface of the upper cover, one end of each of the plurality of the detection lines being corresponding to one of the plurality of the fastening holes of the main portions of the plurality of the bus-bars;
• a plurality of insulating rivets, the one end of each of the plurality of the detection lines being fastened to a corresponding fastening hole by one of the plurality of the insulating rivets;
• and
• a plurality of wirings connected among the positive electrodes, the negative electrodes of the plurality of the batteries and the plurality of the bus-bars.

A battery module assembled in a shell, comprising:

• a plurality of batteries, two opposite sides of a top surface of each battery being equipped with a positive electrode and a negative electrode, respectively;
• an upper cover covered on the plurality of the batteries, the upper cover having a plurality of blocking walls surrounding a plurality of mounting portions, each mounting portion having at least one first perforation and two lateral blocking walls opposite to each other, two inner surfaces of the two lateral blocking walls extending towards each other to form two protrusions, a middle of a top surface of the mounting portion protruding upward to form a rib transversely connected to the two protrusions, two location holes respectively formed in the two protrusions and disposed between the rib and the two lateral blocking walls, the first perforations of the plurality of the mounting portions exposing the positive electrodes and the negative electrodes of the plurality of the batteries;
• a plurality of bus-bars disposed in the plurality of the mounting portions, each bus-bar having a main portion, the plurality of the bus-bars including a plurality of first bus-bars and two second bus-bars, the main portion of each second bus-bar having a plurality of fastening holes penetrating through an upper part of the main portion and two sides of the main portion extending outward to respectively form one wing mounted in a corresponding mounting portion and one connecting portion extending beyond a front end of the upper cover, two opposite ends of the upper part extending downward to form two hooking portions respectively inserted into the two location holes of the two protrusions of the corresponding mounting portion, the two connecting portions of the two second bus-bars being electrically connected with two connectors of the shell, the one wing of each second bus-bar having one second perforation penetrating through the one wing, the two second bus-bars being located at a middle of a front end of the plurality of the bus-bars with the two second perforations of the two second bus-bars being disposed respectively above the first perforations of two corresponding mounting portions and further exposing the positive electrode and the negative electrode exposed by the first perforations of the two corresponding mounting portions;
• a plurality of detection lines disposed on a top surface of the upper cover, one end of each of the plurality of the detection lines being corresponding to one of the plurality of the fastening holes of the main portions of the plurality of the bus-bars;
• a plurality of insulating rivets, the one end of each the plurality of the detection lines being fastened to a corresponding fastening hole by one of the plurality of the insulating rivets;
• and
• a plurality of wirings connected among the positive electrodes, the negative electrodes of the plurality of the batteries and the plurality of the bus-bars.