Semiconductor refrigeration system for control cabinet

The utility model relates to a semiconductor refrigeration system for a control cabinet, which comprises a control cabinet (1), a semiconductor refrigeration device (2) and a temperature controller (3), a hole is arranged on the front surface of the control cabinet (1), the temperature controller (3) is fixed on the control cabinet (1) through screws and is sealed, a hole is arranged on the side surface of the control cabinet (1), and the semiconductor refrigeration device (2) is fixed on the control cabinet (1). The semiconductor refrigeration device (2) is fixed on the control cabinet (1) through screws and is sealed; the semiconductor refrigeration device (2) is composed of a semiconductor refrigeration piece (6), a cold end heat dissipation device (7) and a hot end heat dissipation device (8), the device can be installed in a large range, the effect is very remarkable when the device is used in the field with the severe working environment and the high environment temperature, the service life of the devi