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Biconical disc ratio electromagnet

A proportional electromagnet and double-cone technology, applied in the direction of electromagnets with armatures, electromagnets, etc., can solve the problems of difficult application and difficult to meet the proportional characteristics in occasions with high load output force requirements, and achieve simple structure and good performance. Proportional characteristics, the effect of improving the output force/power ratio

Inactive Publication Date: 2009-12-30
ZHEJIANG UNIV
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  • Abstract
  • Description
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Problems solved by technology

[0002] Proportional electromagnets have horizontal displacement-force characteristics and are widely used in proportional control systems. However, the current structural form is mainly of the solenoid type, which is suitable for driving small and medium-sized loads. In some occasions that require high load output force Difficult to apply
The disc-type DC electromagnet has a large electromagnetic attraction in a very short stroke, but the traditional disc-type electromagnet attraction decreases rapidly with the increase of the working air gap, which is difficult to meet the output requirements of the proportional characteristic, so its It is mainly suitable for loads working in the suction state and fast-moving occasions, so it is generally used in lifting electromagnets and electromagnetic chucks

Method used

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  • Biconical disc ratio electromagnet

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Embodiment Construction

[0027] Figure 1 ~ Figure 4 Combined with a double-cone disc proportional electromagnet, it includes a hollow magnetically conductive outer shell 4, a magnetically conductive core column 7 with a cavity inside, an annular coil 5, an armature 1 and a push rod 3; armature 1, Both the magnetically conductive core column 7 and the magnetically conductive outer casing 4 are made of soft magnetic material, and the push rod 3 is made of nonmagnetically conductive material. The magnetically conductive outer shell 4 is a hollow cubic shell, and the magnetically conductive core column 7 is set in the inner cavity of the magnetically conductive outer shell 4, and the magnetically conductive core column 7 is fixedly connected with the magnetically conductive outer shell 4; Coil 5 is arranged in the annular space formed by 7 and the magnetically permeable outer shell 4 . A wire hole 41 communicating with the inner cavity of the magnetically conductive outer casing 4 is provided on the mag...

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Abstract

The invention discloses a biconical disc ratio electromagnet. An armature (1) is formed by enclosing a bottom (11) and an annular side wall, wherein, a V-shaped groove (12) is arranged on the annular side wall, and the annular side wall is positioned in an annular space formed by a magnetic conduction iron core column (7) and a magnetic conduction outer shell (4); a clearance between the annular side wall and the magnetic conduction outer shell (4) forms a radial operating air gap I (101), and a clearance between the annular side wall and the magnetic conduction iron core column (7) forms a radial operating air gap II (102); a push rod (3) penetrates through the bottom of the magnetic conduction iron core column (7) and the bottom (11) of the armature (1), is fixedly connected with the armature (1), and is in the relationship of relative slip with the magnetic conduction iron core column (7); and a clearance between the bottom (11) and the magnetic conduction iron core column (7) forms an axial operating air gap (103). The biconical disc ratio electromagnet has ratio specialty and high ratio of output force to power.

Description

technical field [0001] The invention relates to a proportional electromagnet with a disc structure. Background technique [0002] Proportional electromagnets have horizontal displacement-force characteristics and are widely used in proportional control systems. However, the current structural form is mainly of the solenoid type, which is suitable for driving small and medium-sized loads. In some occasions that require high load output force Difficult to apply. The disc-type DC electromagnet has a large electromagnetic attraction in a very short stroke, but the traditional disc-type electromagnet attraction decreases rapidly with the increase of the working air gap, and it is difficult to meet the output requirements of the proportional characteristic, so its It is mainly suitable for loads working in the suction state and fast-moving occasions, so it is generally used in lifting electromagnets and electromagnetic chucks. Contents of the invention [0003] The technical p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F7/06H01F7/14
Inventor 陈兴达丁凡李勇邵森寅李其朋
Owner ZHEJIANG UNIV
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