Three-pole air gap type trigger device and surge protection device thereof

The invention provides a three-pole air gap type triggering device and a surge protection device thereof. The trigger device of the air gap type surge protection device comprises a trigger discharge circuit, an air gap and a surge discharge bin, the trigger discharge circuit is obtained by connecting a trigger and a discharger in series, the discharger is communicated with the discharge bin, and the space of the discharger and the air gap forms the surge discharge bin. The triggering device, the air gap type surge protection device and the surge protection device provided by the invention have relatively short response time. 本发明提供一种三极空气间隙型触发装置及其电涌保护器。本发明提供的空气间隙型电涌保护器的触发装置，包括触发放电电路、空气间隙和电涌放电仓，所述触发放电电路包括触发器和放电器串联得到，所述放电器与所述放电仓连通，所述放电器与所述空气间隙的空间形成所述电涌放电仓。本发明提供的触发装置、空气间隙型电涌保护器及电涌保护器具有较快的响应时间。