Signal acquisition system of large-current new energy vehicle battery module

The utility model discloses a signal acquisition system of a large-current new energy vehicle battery module, the system comprises a battery voltage acquisition assembly and a temperature signal acquisition assembly, the battery voltage acquisition assembly comprises a single-side insulation bottom film as a base layer and a single-layer conductive unit arranged above the single-side insulation bottom film, and the single-layer conductive unit is arranged above the single-side insulation bottom film. Each single-layer conductive unit comprises a conductive copper foil and insulation paste, the conductive copper foil forms a plurality of conductive circuits, the conductive circuits are fixed and insulated through the insulation paste, and the single-layer conductive units can be selectively stacked to form a multi-layer conductive unit. And a nickel sheet terminal is fixed on a signal input end of a copper foil wire led out from the conductive copper foil in a laser welding or tin soldering manner. According t