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Miniature self-locking electromagnetic valve

A solenoid valve and self-locking technology, applied in the valve details, valve device, valve shell structure and other directions, can solve the problems of the power consumption and quality of the solenoid valve that cannot be satisfied by the micro-propulsion system, and achieve low power consumption, fast response time, The effect of low leakage flux

Inactive Publication Date: 2010-05-19
NO 11 INST OF NO 6 ACADEMY OF CHINA AEROSPACE SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a miniature self-locking solenoid valve with small mass, simple and reliable structure, low power consumption and fast response time, which solves the technical problem that the existing solenoid valve cannot meet the power consumption and quality of the solenoid valve of the micro propulsion system

Method used

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  • Miniature self-locking electromagnetic valve

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Embodiment Construction

[0019] Such as figure 1 , figure 2 As shown, a miniature self-locking solenoid valve includes a cylindrical valve seat 1, a valve body 7 arranged in the valve seat, a valve core 5 arranged between the valve seat 1 and the valve body 7, a valve core 5 arranged between the valve body 7 and The cylindrical spring 8 between the valve core 5, the electromagnetic coil 6 and the permanent magnet 4 arranged between the valve seat 1 and the side of the valve core 5, the inlet of the solenoid valve is set on the valve body 7, and the outlet of the solenoid valve is set on the valve seat 1 , the permanent magnet 4 is close to the end surface of the valve seat 1; the electromagnetic coil 6 is a single-coil electromagnetic coil that can be energized positively and negatively; the inner end surface of the valve seat 1 is provided with a magnetic isolation limit gasket 2, and the valve core 5 is in contact with the valve body 7 A boss 10 is provided on the end face of the valve core; a mag...

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Abstract

The invention relates to a miniature self-locking electromagnetic valve. The electromagnetic valve comprises a permanent magnet, an electromagnetic coil, a flange flux sleeve, a cylindrical magnetic shield, a magnetic insulation limit pad and a boss, wherein the permanent magnet is arranged between a valve seat and the lateral surface of a valve plug, and is close to the end surface of the valve seat; the electromagnetic coil is a single-coil electromagnetic coil capable of normal and reverse electrification; the flange flux sleeve is arranged among the permanent magnet, the valve seat and the valve plug; the cylindrical flux insulation sleeve is arranged between the electromagnetic coil and the valve plug; the inner end surface of the valve seat is provided with the magnetic insulation limit pad; and the boss is arranged on the end surface contacted with the valve body on the valve plug. The electromagnetic valve solves the technical problems that the conventional electromagnetic valve cannot meet the requirement of a micro-propulsion system on the power consumption and quality of the electromagnetic valve, and is the miniature self-locking electromagnetic valve with small mass, simple and reliable structure, low power consumption and quick response time.

Description

technical field [0001] The invention relates to a self-locking electromagnetic valve for a micro propulsion system. Background technique [0002] The micro-propulsion system based on MEMS (Micro-Electro-Mechanical Systems) has the advantages of small mass, small volume, and high thrust-to-mass ratio, which makes the propulsion system miniaturized to an unprecedented level, thus greatly reducing the development cost. cost. [0003] In the micropropulsion system, the solenoid valve is a key component as a microfluidic control component. It needs to meet the working requirements of small fluid flow rate (about 10mg / s), relatively high control precision, short response time as much as possible, and long single working time. Conventional solenoid valves cannot meet the problems of power consumption and quality caused by being in the open working state for a long time. Contents of the invention [0004] The purpose of the present invention is to provide a miniature self-locki...

Claims

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Application Information

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IPC IPC(8): F16K31/06F16K31/08F16K27/02
Inventor 蒋建
Owner NO 11 INST OF NO 6 ACADEMY OF CHINA AEROSPACE SCI & TECH
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