Modularized electrical cabinet with good heat dissipation performance

The utility model discloses a modularized electrical cabinet with good heat dissipation performance, which belongs to the technical field of electrical cabinets, and comprises a cabinet body and a cabinet door arranged on the cabinet body, and an illumination module, an anti-condensation module and a ventilation module are arranged in the cabinet body. The ventilation module comprises an air conveying fan arranged at the upper end of the rear side of the cabinet body and a ventilation fan arranged at the bottom end of the cabinet body, the air conveying fan is arranged in an air conveying pipeline, the air conveying pipeline is connected with a plurality of air outlet pipes, a control chamber, a main equipment chamber and a bus chamber are sequentially arranged in the cabinet body from top to bottom, and a heat dissipation plate is arranged at the upper end of the control chamber. According to the modularized electrical cabinet with the good heat dissipation performance, the partition plates are arranged to d