Charging and replacing integrated heavy truck battery replacing station charging system and heat dissipation control method thereof

The invention discloses a charging system of a charging and replacing integrated heavy truck battery replacing station and a heat dissipation control method of the charging system. The charging system comprises a battery box frame, a bottom support, a supporting frame, a charging connector and a charger. The battery box, the bottom support, the supporting frame and the charger are arranged from top to bottom, and the bottom support is arranged between the battery box frame and the charger assembly; a plurality of battery boxes can be placed in the battery box rack in a matrix manner; one end of the charging connector is fixedly connected with the charger assembly, and the other end of the charging connector can be detachably connected with the battery box placed in the battery box frame. The charger and the charging rack are integrally designed, the occupied area is saved, preassembled production and on-site overall installation can be carried out in a factory, the on-site construction amount is saved, the ca