High-frequency signal sensing assembly on transmission line and signal transmission direction sensing device

The invention relates to the technical field of electric power, and discloses a high-frequency signal sensing assembly on a transmission line and a signal transmission direction sensing device. The high-frequency signal sensing assembly on the transmission line comprises a first signal sensing module; a second signal sensing module; the connecting device is provided with a first connecting part, a second connecting part and a third connecting part; wherein the first signal sensing module is connected to a first connecting part of the connecting device and can output a first electric signal in response to a high-frequency signal on a transmission line; wherein the second signal sensing module is connected to the second connecting part of the connecting device, and the second signal sensing module can output a second electric signal in response to the high-frequency signal on the transmission line; wherein the third connecting part is used for connecting the sensing assembly to the transmission line, and in the