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Single iron core flux gate

A technology of fluxgate and single iron core, which is applied in the field of fluxgate, can solve the problems such as the difficulty of iron core processing, achieve the effect of convenient processing and winding, and ensure consistency

Inactive Publication Date: 2011-07-06
NANTONG UNION MACHINERY ELECTRONTCS TECH CO LTD +1
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  • Summary
  • Abstract
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Problems solved by technology

[0005] In order to overcome the disadvantages of the existing fluxgate iron cores that are difficult to process, the present invention provides a single iron core fluxgate, which adopts a long strip iron core, which can make the processing and winding more convenient, and can better ensure the measurement axis and the installation axis consistent

Method used

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Examples

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Embodiment Construction

[0016] The following examples refer to Figure 1~3 .

[0017] The single-core fluxgate includes an exciting coil 1, an iron core 2, a measuring coil 3 and a skeleton 4, and also includes a flexible sleeve 10. The iron core 2 is in the shape of a strip, and the iron core 2 is made of permalloy or amorphous soft The magnetic material has a thickness between 0.02mm and 0.1mm, a width of 1mm, and the same length as the skeleton 4 with the round hole. The excitation coil 1 is wound on the inner layer of the skeleton 4 ; the measuring coil 3 is wound on the outer layer of the skeleton 4 . Both the front end 11 of the frame and the rear end 12 of the frame are square. Two lead wire grooves 13 are processed on the two corners of the front end 11 of the skeleton. The lead wire 16 at the input end of the excitation coil and the lead wire 17 at the output end of the excitation coil are drawn out from the lead wire groove 13 on the right side; the lead wire 18 at the input end of the me...

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Abstract

The invention discloses a single iron core flux gate and is used for solving the technical problem that the traditional flux gate iron core is difficultly processed. The technical scheme is that the iron core of the flux gate is a bar-shaped, a flexible casing tube is arranged outside of the iron core, and the iron core having the flexible casing tube is arranged at the center of the frame. The frame is opened, so the winding wire can be conveniently processed, a measuring shaft is constant with a mounting shaft, and the manufacturing cost is lowered.

Description

technical field [0001] The invention relates to a fluxgate, in particular to a fluxgate with a single iron core. Background technique [0002] Fluxgate is a magnetic field component sensor with very good comprehensive performance. The structure of a fluxgate sensor directly affects its performance. It is one of the key technical problems to be solved by the axial fluxgate to ensure the consistency of the fluxgate sensor probe and the installation direction through structural design, reduce the difficulty of core processing and coil winding, and improve its reliability and maintainability. . [0003] refer to Figure 4 . The document "U.S. Patent Publication No. US 6,972,563B2" discloses a fluxgate sensor. The fluxgate used in the sensor includes an excitation coil 1, an iron core 2, a measuring coil 3 and a skeleton 4. The iron core 2 is In a circular shape, the excitation coil 1 is evenly wound on the iron core 2, the measuring coil 3 is wound on the frame 4 with a squa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/04
Inventor 刘诗斌严家明
Owner NANTONG UNION MACHINERY ELECTRONTCS TECH CO LTD
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