High-temperature-resistant large-resistance automatic failure detonator and manufacturing technology thereof

The invention discloses a high-temperature-resistant large-resistance automatic failure detonator and belongs to the technical field of blasting of initiating explosive products. The detonator comprises a tube shell (1), a sealing plug (2) and a temperature-resistant injection molding plug (3), a groove is formed in one end of the temperature-resistant injection molding plug (3), a temperature-resistant electrode assembly is arranged in the groove, the tube shell (1) is also internally provided with a temperature-resistant initiating explosive (9) and a temperature-resistant high explosive (8)in sequence, and a reinforcing cap (5) is further arranged on the outer side of the temperature-resistant high explosive (8). A hollow section is arranged between the sealing plug (2) and the reinforcing cap (5), the hollow section is also provided with two failure holes (6), and the failure holes (6) are provided with heat-sensitive sealing adhesive tape (7). The invention further discloses a manufacturing technology of