Patent ID: 11942807
Assignee: NANJING CHERVON INDUSTRY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  A | IPC A  H

Claim 0:
1. A riding-type mower, comprising:
a body frame;
a seat disposed on the body frame;
a mowing unit, comprising a mowing element and a first motor configured to drive the mowing element;
a walking unit, comprising a road wheel and a second motor configured to drive the road wheel; and
a power supply device mounted on the body frame,
wherein the power supply device comprises:
a plurality of battery packs configured to supply power to the riding-type mower, wherein at least one of the plurality of battery packs is detachably mounted to the riding-type mower and further configured to supply power to a hand-held electric power tool, the plurality of battery packs each are provided with at least one battery cell group, and each battery cell group comprises a plurality of battery cells electrically connected to each other; and
a power management module configured to determine whether the plurality of battery packs satisfy a discharge condition and control a battery pack satisfying the discharge condition to discharge when the battery pack satisfies the discharge condition;
wherein the discharge condition comprises that a sum of numbers of respective battery cell groups of all the plurality of battery packs connected in parallel is greater than or equal to 5.