Novel solid-state relay for controlling operating direction of three-phase AC motor

The utility model discloses a novel solid-state relay for controlling the operating direction of a three-phase AC motor, comprising a driving module, a power component module, a phase sequence detection module, an open phase detection module and an automatic phase correction and open phase protection logic module, wherein the input end of the phase sequence detection module is connected with a three-phase power supply, and the output end is connected with the automatic phase correction and open phase protection logic module; the phase sequence detection module is used for detecting the phase sequence of the three-phase power supply and providing the phase sequence signal to the automatic phase correction and open phase protection logic module; the input end of the open phase detection module is connected with the three-phase power supply, and the output end is connected with automatic phase correction and open phase protection logic module; the open phase detection module is used for detecting the open phase when the three-phase power supply supplies power and providing the phase sequence signal to automatic phase correction and open phase protection logic module; the automatic phase correction and open phase protection logic module comprises a signal conversion unit and a signal processing unit connected to each other, wherein the signal processing unit is respectively connected with the output end of the phase sequence detection module, the output end of the open phase detection module and the driving module.