Frequency converter core and frequency converter

The utility model discloses a frequency converter core and a frequency converter. The electric appliance module comprises a framework, a driving board, a capacitor, a heat dissipation assembly and a control assembly. The framework is provided with a first mounting position, a second mounting position and a third mounting position, the framework comprises a first mounting plate and a second mounting plate which are connected in an included angle mode, the first mounting position and the second mounting position are arranged on the two sides of the first mounting plate respectively, and the third mounting position is arranged on the side, away from the second mounting position and/or the first mounting position, of the second mounting plate; the driving plate is mounted at the first mounting position; the capacitor assembly and the heat dissipation assembly are installed at the second installation position. The control assembly is installed on the third installation position. According to the technical scheme,