AC lightning-protection voltage-stabilized source for field communication equipment

The utility model relates to an AC lightning-protection voltage stabilizing power supply used for the field communication equipment which comprises a protection circuit, a primary lightning-protection circuit and a secondary lightning-protection voltage stabilizing circuit connected in succession between the unstable AC power input terminal and the AC power output terminal, wherein the protection circuit is composed of the protection devices with the fusing, over-current and over-voltage super-temperature protection function; the primary lightning-protection circuit is a universal lightning protector with the lightning-protection function; the secondary lightning-protection voltage stabilizing circuit comprises a magnetic saturation transformer and oscillator; the two ends of the oscillator is respectively connected with an oscillating terminal of the secondary main winding and an oscillating terminal of the secondary accessory winding of the magnetic saturation transformer. The primary power supply the utility model provides to the electronic product has an effective voltage stabilizing and lightning-protection function, thereby not only greatly saving the one-time investment and maintenance outlay of the user, but guaranteeing the safety of the electric equipment.