A shim laminated sample suitable for testing three-dimensional dynamic magnetic properties

A three-dimensional dynamic and magnetic characteristic technology, applied in the measurement of magnetic variables, measurement devices, magnetic properties measurement, etc., can solve the problem of inability to accurately and conveniently measure temperature rise, and achieve improved accuracy and reliability, uniform magnetic field, and improved accuracy. Effect

Active Publication Date: 2019-09-20
HEBEI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing silicon steel sheet samples used in the measurement of one-dimensional and two-dimensional magnetic properties cannot accurately and conveniently measure the temperature rise

Method used

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  • A shim laminated sample suitable for testing three-dimensional dynamic magnetic properties
  • A shim laminated sample suitable for testing three-dimensional dynamic magnetic properties
  • A shim laminated sample suitable for testing three-dimensional dynamic magnetic properties

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Embodiment Construction

[0027] Specific examples of the present invention are given below. The specific embodiments are only used to further describe the present invention in detail, and do not limit the protection scope of the claims of the present application.

[0028] The invention provides a shim laminated sample (see Figure 1-5 , referred to as the sample), which is characterized in that the sample includes three different lamination structures: a laminated structure sample, a straight seam butt joint structure sample and a straight seam lap joint structure sample, respectively simulating the lamination in the application of silicon steel sheet engineering. Compression structure, straight seam butt joint structure and straight seam lap joint structure;

[0029]Each laminated structure sample includes a laminated cube 1, six shim pole pieces 2, six B-H composite measuring coils 3 and thermocouple wires 4; the laminated cube 1 is located in the center of the entire sample, and its A B-H composi...

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Abstract

The invention discloses a shimming lamination sample suitable for testing a 3D dynamic magnetic property. Samples of a lamination structure, a straight slit butt-joint structure and a straight slit overlap structure are included, the sample of each lamination structure comprises a lamination cube, six shimming pole shoes, six B-H composite measuring coils and a thermocouple wire, the lamination cube is positioned in the center of the whole sample, and the centers of six surfaces of the cube are connected with the six B-H composite measuring coils respectively; and different positions of the six surfaces of the lamination cube are connected to the thermocouple wire; the shimming pole shoes cling to and cover the six B-H composite measuring coils respectively; the shimming pole shoes correspond to the six surfaces of the lamination cube respectively; and the surface area of each shimming pole shoe is the same with that of the corresponding lamination cube, and the lamination structure of the six shimming pole shoes are the same with that of the surfaces of the corresponding lamination cube.

Description

technical field [0001] The invention relates to the field of three-dimensional magnetic property measurement, in particular to a shim lamination sample suitable for testing the three-dimensional dynamic magnetic properties of silicon steel lamination materials. Background technique [0002] At present, the more common samples for measuring the magnetic properties of silicon steel sheets are single sheets or stacked sheets with a single direction, which are mainly suitable for one-dimensional and two-dimensional magnetic property measurement devices. The traditional one-dimensional magnetic property measurement, such as the Epstein square method, is made of overlapping strips of silicon steel sheets, and only considers the magnetic properties of a certain direction in the rolling plane of the silicon steel sheet. The measurement of two-dimensional magnetic properties, such as the two-dimensional monolithic measurement method, is also limited to the magnetic properties in all ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R33/00G01R33/12
Inventor 李永建岳帅超杨庆新张长庚于欣然
Owner HEBEI UNIV OF TECH
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