Novel cylindrical battery stacking packing structure

Abstract

The invention discloses a novel cylindrical battery stacking packing structure. The novel cylindrical battery stacking packing structure comprises a monomer packing framework and battery support structures, wherein upper-lower layer parallel posts are arranged on the upper end face of the border of the monomer packing framework; upper-lower layer locking structures and current accumulation bar press bars are arranged on the lower end face of the border of the monomer packing framework; a positive electrode serial-connection copper bar and a negative electrode serial connection copper bar are arranged on the left and right sides of the monomer packing framework respectively; the positive electrode serial-connection copper bar and the negative electrode serial-connection copper bar are fixed to the monomer packing framework through compression screws; conductive domes are arranged at the two ends of each battery support structure respectively; current accumulation PCB (Printed Circuit Board) bars are arranged between columns of the battery support structures; each current accumulation PCB bar is in compression joint with the current-conducting elastic sheet in the same column; and the upper-lower layer parallel posts of the upper layer monomer packing framework are pressed against the current accumulation PCB bars of the lower layer monomer packing framework. Batteries are directly snapped into on the monomer packing framework and connected in series and in parallel without welding, so that the novel cylindrical battery stacking packing structure has the advantages of convenience in installation, high assembly efficiency, small unit battery duty ratio and high energy density.

Description

technical field [0001] The invention mainly relates to the field of batteries, in particular to a novel stacked structure of cylindrical batteries. Background technique [0002] Existing cylindrical battery group structure see figure 1 As shown, the upper cover plate 17 and the lower cover plate 18 clamp and assemble the cylindrical battery 3 , and connect the circuit in series and parallel by welding the accumulator plate 19 . The placement position of the battery is arranged along the normal direction of the upper and lower cover plates. During the grouping process, the axial direction of the battery is installed in the circular fixing holes of the upper and lower cover plates. When the number of batteries connected in parallel is large, it depends on the machining accuracy to ensure the precise cooperation between the battery and the upper and lower cover plates. Machining errors lead to this The process requires more man-hours and lower installation efficiency;...

AI Technical Summary

Problems solved by technology

During the grouping process, the axial direction of the battery is installed in the circular fixing holes of the upper and lower cover plates. When the number of batteries connected in parallel is large, it depends on the machining accuracy to ensure the precise cooperation between the battery and the upper and lower cover plates. Machining errors lead to this There are many man-hours for process execution and low installation efficiency; each small battery module requires a clamping design of the upper and lower cover plates, the unit battery occupies a large volume, and the energy density of the battery is low

Images