The utility model provides a state that moves back recognition device is thrown to line spring formula protection export clamp plate, including fixed plate, protection subassembly, the inlet wire that links to each other with the power, be qualified for the next round of competitions and with the continuous identification equipment that is qualified for the next round of competitions, the fixed plate lower extreme is equipped with the round hole, the protection subassembly is including being fixed in fixed plate upper end and having the cylinder of cavity, the spring, bonding conductor bridge and the ejector pin that link firmly according to the preface to and a bonding conductor who links to each other with the inlet wire and with the 2nd continuous bonding conductor that is qualified for the next round of competitions, wherein, fixed with cavity upper portion diapire on the spring, the ejector pin lower extreme penetrates the round hole and exports the presser device pole to leaning on, one end first and the 2nd bonding conductor still all lies in the cavity, bonding conductor bridge and the laminating of cavity lower part diapire, the bonding conductor bridge is connected with first and the 2nd bonding conductor electricity, the bonding conductor bridge breaks away from with cavity lower part diapire, bonding conductor bridge and first and the 2nd bonding conductor electricity disconnection. Implement the utility model discloses, can discern the state of moving back of throwing that exports the clamp plate, the security that improves relay protection equipment.