Converter station special-purpose valve tower water leakage detection device

The utility model discloses a special valve tower water leakage detection device for a converter station. The device comprises a water collecting barrel, a fixing frame and a signal barrier plate, thefixing frame is fixed to the top of the water collecting barrel. The fixing frame is provided with two oppositely arranged optical cable head fixing mechanisms. The optical cable head fixing mechanism comprises a positioning sleeve and a hoop. The positioning sleeve is fixed on the fixing frame; two guide blocks are symmetrically fixed on the peripheral side of the outer end of the positioning sleeve; the hoop is mainly composed of two arc-shaped hoop bodies. The two arc-shaped hoop bodies are slidably arranged on the two guide blocks in a one-to-one correspondence manner; each guide block isprovided with a locking piece used for locking the corresponding arc-shaped hoop body and the corresponding guide block, the two ends of the two arc-shaped hoop bodies are fixedly connected through the locking pieces respecti