Pressure relief electric explosion valve

Abstract

The invention provides a pressure relief electric explosion valve. The pressure relief electric explosion valve comprises a shell assembly, a piston, a snap ring, a pressure relief pipe device and anigniter. The piston is mounted in the shell assembly. The tail of the piston is fixed through the snap ring to prevent relative movement between the piston and the shell assembly. The igniter is mounted at the tail end of the shell assembly. The shell assembly comprises a shell and a diaphragm. During operation, the igniter pushes the piston to break through the diaphragm to enable fluid to get into the shell. The pressure relief pipe device comprises a steel ball, a spring, a fixed support, a connecting rod, a baffle and a pressure relief shell. When the fluid pushes the steel ball at a certain pressure, the steel ball and the baffle are in linkage to enable part of fluid passes through the steel ball and the baffle to go into an inner cavity of the pressure relief shell. The higher the flow rate of the fluid is, and the less the flow of ingoing fluid is. The output pressure is reduced, and the pressure reduction effect is achieved. When the flow rate of the fluid is slowed down, theflow of the fluid is increased, the output pressure is increased, and the pressure control effect is achieved. The pressure relief electric explosion valve is simple in structure and good in economy and has the characteristics of being small in size, light in weight and the like.

Description

technical field [0001] The invention relates to the technical field of aerospace power devices, in particular to a decompression electric explosion valve. Background technique [0002] With the development of the aerospace field, higher requirements are put forward for the aerospace power system. Today, the aerospace power system is developing towards the trend of miniaturization and light weight. However, the current aerospace power system is too large, often due to excessive volume and mass, resulting in poor performance of aerospace power devices. At the same time, there are too few combined and lightweight devices in the aerospace power system, and the device structure is complex, and the design, production and processing steps are complicated, resulting in poor manufacturing economy. Contents of the invention [0003] The present invention aims at the problems existing in the above-mentioned prior art, and provides a decompression electric explosion valve, which sol...

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problems existing in the above-mentioned prior art, and provides a decompression type electric explosion valve, which solves the problems of large volume and complex structure of the electric explosion valve in the aerospace power system in the prior art

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