Channel rapid conversion device for signals to be detected based on PCI

The invention relates to a channel rapid conversion device of signals to be detected based on PCI. The device comprises a printed-circuit board, a conductive circuit layer and a connector. One side of the printed-circuit board is matched with an external PCI slot and is inserted into the external PCI slot. The conductive circuit layer comprises two layers and the two layers are respectively arranged on the upper and the lower surfaces of the printed-circuit board. The connector comprises two rows of connecting terminals, each row of the connecting terminals comprises pins whose number is identical with that of conductive circuits, the two rows of the connecting terminals are in plug connection with the printed-circuit board, and the two rows of the connecting terminals are respectively and electrically connected with the other ends of the two layers of conductive circuits in one to one correspondence, and the two rows of the connecting terminals are in selective jump connection with each other according to de