A method and device for measuring static magnetic force
A magnetic force and force measurement technology, which is applied in the direction of measuring devices, measuring magnetic variables, and the size/direction of the magnetic field, to achieve the effect of accurate measurement interval and high measurement accuracy
Active Publication Date: 2022-01-11
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is: to overcome the deficiencies of the prior art, to provide a method and device for measuring the static magnetic force, which can solve the problem of measuring the static magnetic force between permanent magnets and soft magnets with a certain interval
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[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0022] figure 1 It is a description of the principle of a method for measuring static magnetic force of the present invention, figure 2 An overall description of a device for measuring static magnetic force of the present invention is made, image 3 It is a detailed description of the permanent magnet fixing system of the device for measuring the static magnetic force, Figure 4 A description of the spacing fine-tuning and force-measuring system of the device for measuring the magnetostatic force, Figure 5 is a description of the support system of the device for measuring the magnetostatic force. The whole device is composed of three sub-components such as a permanent magnet fixing system 50 , an interval fine-tuning and force measuring system 60 and a support system 70 . The permanent magnet fixing system 50 fixes the component permanent...
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The invention discloses a method and device for measuring the static magnetic force. The method is as follows: between the permanent magnet and the magnetic conduction column, place barrier sheets of different thicknesses, move the lever to lower the position of the spring balance, and the reading is less than 0, and then turn the The rod slightly rotates the screw to lift the spring balance, so that the reading of the spring balance reaches the maximum value. At this time, the reading of the spring balance is the thickness of the barrier sheet corresponding to the corresponding thickness, that is, the static magnetic force of the air gap between the permanent magnet and the magnetizer. The device used includes: support system, tension measurement system, static magnetic field fixing system and other parts. Static magnetic field fixing system: It is composed of two static magnetic field support blocks and two pressing blocks. The pressing blocks fix the reflector containing the permanent magnet on the static magnetic field support block. The present invention proposes a method and device for measuring the static magnetostatic force, and provides an example of a static magnetomechanics model through measurement, which can be applied to the measurement of the static magnetostatic force between permanent magnets and soft magnetic materials, and can also be used in pulling Stress measurement, etc.
Description
technical field [0001] The invention relates to the technical field of magnetic force measurement, in particular to a method and device for measuring static magnetic force. Background technique [0002] In terms of performance and use, magnetic materials can be divided into two categories: soft magnetic materials and hard magnetic materials according to the size of the coercive force. Soft magnetic materials with small coercive force are called soft magnetic materials, and those with large coercive force are called hard magnetic materials. Soft magnetic materials are suitable for alternating magnetic fields. For example, the iron cores of inductive components, transformers, motors, generators, etc. are all soft magnetic materials. maded. Hard magnetic materials can also become permanent magnets, which can retain a strong residual magnetization after the external magnetic field is withdrawn, and can generate a stable and constant magnetic field. The system driven by electro...
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IPC IPC(8): G01R33/12G01R33/038
CPCG01R33/0385G01R33/12
Inventor 韩维强白乐
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI