Insensitive electric igniter for nuclear blast valve
A technology of electric igniter and blasting valve, which is applied in the field of pyrotechnics, can solve the problems that electric igniters cannot adapt to the working environment of nuclear power units, achieve good insulation performance and expand the scope of application
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0020] as figure 1 As shown, the electric igniter of the preferred embodiment of the present invention includes a sealant 1, an electrode plug 2, a charge cap 3, a casing 4, a bridge band 5, a charge 6, an insulating gasket 7, a seal cap 8 and a connector 9. Electrode plug 2 contains two electrical pins 2.1, sealing glass 2.2 and electrode plug housing 2.3 (see figure 2 ), the shape of the electrode plug housing 2.3 is a convex cylinder and the inner hole has a stepped surface. The two axial through holes are fixed by the sealing glass, and the two ends of the two electrical pins 2.1 protrude from the two ends of the electrode plug housing 2.3. The sealing glass 2.2 can ensure that the present invention meets the requirements of the electrical pins 2.1 and the housing 4. The insulation resistance between them is not less than 50MΩ...
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