The utility model discloses a building
block type battery module structure and combination device, building
block type battery module structure includes battery module building block unit, battery module building block unit includes the module body with installation cavity, at least two convex parts, at least two recesses and be used for accommodating the
accommodation cylinder of power supply, the convex part includes the first containing groove of
accommodation electromagnet, the recess includes the second containing groove of
accommodation electromagnet, the
electromagnet in first containing groove is connected with the power supply
anode in accommodation cylinder through
copper foil, the electromagnet in second containing groove is connected with the power supply
cathode in accommodation cylinder through
copper foil, the outer
diameter of convex part is equal with the inner
diameter of recess. The utility model can be connected through the mechanical
interlocking mode between independent type's battery module building block unit, and further realizes the series connection (step -up) or parallel connection (expansion) of battery module, can flexibly adjust the
voltage and capacity of power supply, to satisfy different demands.