Patent ID: 9728984
Date: 2017-08-08
CPC Classifications: H02J,H05K

Claim:
1. A charger for charging a battery pack, comprising a charging circuit inside a main body case thereof, wherein, a plurality of heat radiation ribs lying parallel to each other are provided inside the main body case and on a lateral side of the charging circuit for dissipating heat generated by the charging circuit; an insulation rib is disposed between the charging circuit and a sidewall where a rise in temperature caused by heat generated by the charging circuit is high, the insulation rib is provided with a space part from an upper sidewall portion having low thermal conductivity in order to restrict heat transfer to the upper side wall portion, and the main body case includes a case main body portion and a case bottom portion, the insulation rib directly contacting the case main body portion at two locations and extending toward the case bottom portion, and the space part being enclosed by the insulation rib and the upper sidewall portion.