A Torqueless Solenoid Magnetic Field Coil with Radial Opening

A torqueless solenoid and magnetic field coil technology, which is applied in the field of magnetic field coils, can solve the problems of increasing structural difficulty and failing to meet test requirements, and achieves the effect of simple structure and uniformity assurance.

Active Publication Date: 2017-03-22
710TH RES INST OF CHINA SHIPBUILDING IND CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This conventional momentless magnetic field coil has the advantage of simple structure, but it only has an opening space in the axial direction, which cannot meet the radial test requirements
If a Helmholtz-type momentless coil is used, although it can meet the requirements of axial and radial openings at the same time, at least 4 rings are required to form a momentless magnetic field coil, which increases the difficulty of the structure, especially when small-sized momentless coils are required. In the case of a coil

Method used

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  • A Torqueless Solenoid Magnetic Field Coil with Radial Opening
  • A Torqueless Solenoid Magnetic Field Coil with Radial Opening
  • A Torqueless Solenoid Magnetic Field Coil with Radial Opening

Examples

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Effect test

Embodiment 1

[0021] Embodiment 1. The skeleton of the magnetic field coil is composed of two coaxial solenoids with unequal radii. On each solenoid, there are two pairs of windings symmetrically distributed along the central axis along the central axis. Each pair of windings includes The two windings are a pair of windings on the same side of the central axis, and there is a gap between the two windings; the gaps between the two windings on both sides of the central axis are used for radial openings.

[0022] The central magnetic axes of the inner and outer solenoids coincide, and the inner and outer solenoids are connected in reverse series.

[0023] The dimensions of the two solenoids, the windings such as figure 1 shown, on the same side of the central axis, with R 1 , R 2 is the effective radius of the inner and outer solenoids after winding; L 1,1 , L 1,2 , L 1,3 , L 1,4 Respectively, the distance between a pair of winding edges of the inner solenoid on this side and the central...

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Abstract

The invention discloses a momentless solenoid magnetic field coil with radial openings. The magnetic field coil is composed of two solenoids inside and outside. Each solenoid has two pairs of windings symmetrically distributed on the left and right along the central axis of the central section. , each pair of windings includes two sections of windings, a pair of windings on the same side of the central axis, and a gap is left between the two sections of windings; the gap between the two sections of windings on both sides of the central axis is provided with radial openings; the inner and outer two spirals The central magnetic axis of the tube coincides, and the two inner and outer solenoids are connected in reverse; and the distance between the winding pitch and the radius of the two solenoids, the number of turns of the coil winding and the distance, and the distance between the number of turns of the coil winding and the radius of the solenoid A certain relationship needs to be satisfied between them, so as to meet the radial test requirements of the momentless coil.

Description

technical field [0001] The invention relates to the magnetic field coil technology, in particular to a radial opening torqueless solenoid magnetic field coil technology. Background technique [0002] In the fields of magnetic measurement, atomic optics, etc., it is often necessary to use moment-free magnetic field coils with radial openings in order to perform testing work both axially and radially. Conventional moment-free magnetic field coils generally use a combination of two solenoidal magnetic field coils that are coaxial but have unequal radii. This conventional momentless magnetic field coil has the advantage of simple structure, but it only has an opening space in the axial direction, which cannot meet the radial test requirements. If a Helmholtz-type momentless coil is used, although it can meet the requirements of axial and radial openings at the same time, at least four rings are required to form a momentless magnetic field coil, which increases the difficulty of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F5/00
Inventor 程华富翟晶晶李享侯钱
Owner 710TH RES INST OF CHINA SHIPBUILDING IND CORP
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