Distributed control device for fans of annealing kiln

The utility model discloses an annealing kiln fan distributed control device, which comprises at least one local control device and a far-end DCS (Distributed Control System), each local control device is connected with the far-end DCS and comprises a protector QF1, a protection switch and an annealing kiln fan, the three-phase input end of the protection switch is connected with the three-phase output end of the protector QF1, the three-phase output end of the protection switch is connected with the U phase, the V phase and the W phase of the annealing kiln fan in a one-to-one correspondence mode, and the three-phase input ends of the protectors QF1 of all the local control devices are connected with a three-phase power source. The utility model has the advantages that the on-site and remote switching control is realized, the overall control is convenient and fast, and the reliability is high. 本实用新型公开了一种退火窑风机分布式控制装置，包括至少一个就地控制设备以及一个远端DCS，每个就地控制设备均与远端DCS连接，所述就地控制设备包括保护器QF1、保护开关以及退火窑风机，所述保护开关的三相输入端与保护器QF1的三相输出