Automatic protection and unprotection circuit of initiating explosive device for carrier rocket

The invention relates to an initiating explosive device automatic protection and unprotection circuit for a carrier rocket, and belongs to the technical field of initiating explosive device protection of carrier rockets. Comprising electromagnetic relays J1-J4, magnetic latching relays K1-Kn, current-limiting resistors, initiating explosive devices and an initiating explosive device bus, wherein each electromagnetic relay is provided with six contacts from a contact 1 to a contact 6; each magnetic latching relay is provided with a contact 1 and a contact 2; each magnetic latching relay is provided with a front excitation coil and a rear excitation coil; automatic protection, protection releasing and other operations of initiating explosive devices before launch of a carrier rocket are achieved; according to the invention, automatic protection and unprotection control of the initiating explosive device before shooting are realized, the rocket-on operation of personnel is reduced, the operation ...