| I.P Abstract & Summary |
A vacuum hopper precharger includes: a base frame (20) having a lower plate (21), an upper plate (23), and an intermediate plate (24); a tray (30) located on a top of the intermediate plate (24), and adapted such that a plurality of secondary batteries (100) are seated therein; a gas removal part (40) installed on a bottom of the upper plate (23) of the base frame (20), and intended to remove gas inside the secondary batteries (100); charging parts (50) each installed over the lower plate (21) of the base frame (20), and intended to charge the secondary batteries (100); moving parts (60) fixed to the intermediate plate (24), and intended to move the gas removal part (40) and the charging parts (50) vertically; and a control unit (70) intended to control the gas removal part (40), the charging parts (50), and the moving parts (60). |
