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Anti high voltage permanent magnet polarized two-way ratio electromagnet

A proportional electromagnet and polarized technology, which is applied in the direction of electromagnets with armatures, electromagnets, valve details, etc., can solve the problems that the static power consumption of the system has not been effectively suppressed, the volume of the electromagnet is large, and the dynamic characteristics are reduced. Achieve the effects of strong anti-interference, simple structure and process, and reduce heat generation

Inactive Publication Date: 2005-03-02
ZHEJIANG UNIV +1
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  • Claims
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AI Technical Summary

Problems solved by technology

However, this combined two-way proportional electromagnet has a large volume, and its dynamic characteristics are greatly reduced due to the increase in weight.
Invention patent 85103757 "High Voltage Bidirectional Polarized Proportional Electromagnet" discloses a high voltage bidirectional polarized proportional electromagnet with bidirectional continuous output force, no zero dead zone, simple structure, and high power-to-weight ratio. The energy consumption is very large, and the improvement of the performance of the proportional electromagnet is limited due to structural and technological reasons; the invention patent 88101723.x "bidirectional proportional electromagnet with amplifier" discloses a high-voltage resistant bidirectional proportional Electromagnet, on the basis of invention patent 85103757, effectively reduces system energy consumption, simplifies circuit structure and design process, but it needs to provide a certain base value of input current first, so that the static power consumption of the system is not effectively suppressed

Method used

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  • Anti high voltage permanent magnet polarized two-way ratio electromagnet
  • Anti high voltage permanent magnet polarized two-way ratio electromagnet
  • Anti high voltage permanent magnet polarized two-way ratio electromagnet

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with drawings and embodiments.

[0022] exist figure 1 Among them, the present invention includes a basin composed of a guide sleeve, yokes 1 and 6 installed in the holes at both ends of the guide sleeve, and an armature 11 with output push rods 16 at both ends of the guide sleeve and the holes of the two yokes 1 and 6. Shaped pole shoe parts; control coils 2, 5 are respectively installed on both sides of the guide sleeve in the housing 4; the guide sleeve is divided into three sections of guide sleeves 9, 12, 15 with non-metallic magnetic isolation rings 10, 13 and welded into one overall. Ring-shaped permanent magnet 3 is housed on the guide sleeve 12 of middle section. The two basin-shaped pole pieces have an included angle α with the respective guide sleeves 15 and 9 respectively.

[0023] The shell 4 is made of a hollow shell with good magnetic permeability. The middle part of the housing 4 ha...

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Abstract

The invention discloses a high voltage resistant permanent magnet polarized two-way proportional electromagnet, belonging to an electromechanical switching mechanism, adopting a special design: using yoke iron and guide sleeve to compose a two-way basin-like pole piece structure, there is permanent magnet mounted in the guide sleeve, there are control coils installed on two sides of the permanent magnet, a polarized magnetic field generated by the permanent magnet is superposed with control magnetic fields generated by the control coils so as to obtain an output force on an armature proportional to input signal, two-way and continuous, thus achieving a good proportional control characteristic; it has low energy consumption, eliminates 'zero'dead zone, has good static and dynamic properties. Therefore, it can be widely applied to proportional valve and servo valve.

Description

Technical field [0001] The invention relates to an electro-mechanical conversion mechanism for a proportional valve and a servo valve in a fluid control system, in particular to a high-voltage-resistant permanent magnet polarized bidirectional proportional electromagnet. Background technique [0002] Traditional proportional electromagnets can only provide one-way driving capability, so in order to obtain two-way driving, two proportional electromagnets are often combined for driving. However, this combined two-way proportional electromagnet has a large volume, and its dynamic characteristics are also greatly reduced due to the increase in weight. Invention patent 85103757 "High Voltage Bidirectional Polarized Proportional Electromagnet" discloses a high voltage bidirectional polarized proportional electromagnet with bidirectional continuous output force, no zero dead zone, simple structure, and high power-to-weight ratio. The energy consumption is very large, and the impro...

Claims

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Application Information

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IPC IPC(8): F16K31/06H01F7/08
Inventor 丁凡李其朋翁振涛毕晴春
Owner ZHEJIANG UNIV
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