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Step-by-step direct-acting profound hypothermia electromagnetic valve

A solenoid valve and deep low temperature technology, applied in the field of solenoid valves, can solve problems such as low reliability, need for manual operation, and insufficient control capabilities, and achieve the effects of increasing the life of guiding movements, avoiding viscous wear, and improving guiding reliability

Pending Publication Date: 2021-08-06
BEIJING INST OF ASTRONAUTICAL SYST ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the valve products of the booster delivery system of the launch vehicle generally have the problems of low degree of automation, insufficient control ability, poor modularization, generalization, and serialization.
In the gas distribution system on the ground and on the arrow, such as gas cylinder inflation, pressure accumulator inflation and other technical links, products such as hand switches are still used, which require manual operation, poor safety, low efficiency, low reliability, and low degree of automation

Method used

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  • Step-by-step direct-acting profound hypothermia electromagnetic valve

Examples

Experimental program
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Effect test

Embodiment Construction

[0017] The present invention will be further elaborated below in conjunction with embodiment.

[0018] A step-by-step direct-acting cryogenic solenoid valve, such as figure 1 As shown, it includes electromagnet assembly 1, sleeve assembly 2, main live valve 3, auxiliary live valve 4, valve body, armature 8 and spring retaining ring 12,

[0019] The electromagnet assembly 1 and the sleeve assembly 2 are locked by screws 13; the valve body integrates the main live valve 3 and the auxiliary live valve 4 through the spring retaining ring 12, and the auxiliary live valve 4 and the armature 8 are floatingly connected through the hook, which is combined into a step-by-step Direct acting form; the valve body and the electromagnet assembly 1 are connected through the outer nut 7, and the gasket 6 is used for static sealing;

[0020] In the power-off state, the auxiliary valve 4 and the main valve 3 are all closed and sealed. When energized, the coil in the electromagnet assembly 1 is...

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Abstract

The invention relates to a step-by-step direct-acting profound hypothermia electromagnetic valve which comprises an electromagnet assembly, a sleeve assembly, a main valve, an auxiliary valve, a valve body, an armature and a spring retainer ring. The electromagnet assembly and the sleeve assembly are locked through a screw; the valve body integrates the main valve and the auxiliary valve through the spring retainer ring, and the auxiliary valve is in floating connection to the armature via a hook and is combined in a step-by-step direct-acting form; and the valve body is connected with the electromagnet assembly through an external sleeving nut and is sealed by a gasket stationarily. The invention provides a step-by-step direct-acting electromagnetic valve structure form suitable for profound hypothermia. The electromagnetic valve can respond quickly and can be opened with zero pressure difference.

Description

technical field [0001] The invention relates to a step-by-step direct-acting deep-low temperature electromagnetic valve, which belongs to the technical field of electromagnetic valves. Background technique [0002] At present, the valve products of the booster delivery system of the launch vehicle generally have the problems of low degree of automation, insufficient control ability, poor modularization, generalization, and serialization. In the gas distribution system on the ground and on the arrow, such as gas cylinder inflation, pressure accumulator inflation and other technical links, products such as hand switches are still used, which require manual operation, poor safety, low efficiency, low reliability, and low degree of automation. Contents of the invention [0003] The technical problem solved by the invention is: to overcome the deficiencies of the prior art, to propose a step-by-step direct-acting deep-low temperature electromagnetic valve, and to improve the au...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/06
CPCF16K31/0675
Inventor 孙喆余武江马方超岳兵李德权武亚楠李敏行余海涛
Owner BEIJING INST OF ASTRONAUTICAL SYST ENG
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