Copper coil-based full-tensor magnetic field gradient measurement device

A technology of magnetic field gradient and measuring device, which is applied in the direction of magnetic gradient measurement, magnetic field measurement using magnetic flux control principle, magnetic field measurement using electromagnetic devices, etc., to achieve a wide frequency band, improve spatial consistency and information integrity, and ensure The effect of zero-point accuracy

CN106772137AInactive Publication Date: 2017-05-31BEIHANG UNIV
5 Cites 7 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2017-05-31
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a copper coil-based full-tensor magnetic field gradient measurement device. The copper coil-based full-tensor magnetic field gradient measurement device comprises a gradiometer main body, a supporting base and a signal connection interface, wherein the gradiometer main body is used for measuring full-tensor magnetic field and magnetic field gradient information of each point in a space, and the full-tensor magnetic field and magnetic field gradient information comprises a response gradient value corresponding to five independent components in a full-tensor matrix and three magnetic field vector values of a central point; the supporting base is used for horizontal regulation operation which is required to be carried out during measurement of the magnetic field gradient of the space; the signal connection interface is used for transmitting weak voltage signals corresponding to the magnetic field gradient and central magnetic field intensity. According to the copper coil-based full-tensor magnetic field gradient measurement device provided by the invention, the technical defect that a traditional magnetic field gradient measurement device just can be used for measuring gradient information in a single direction of a magnetic field is solved, and the space consistency and the information integrity of magnetic field component measurement are increased.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the technical field of magnetic field gradient measurement, in particular to a full tensor magnetic field gradient measurement device based on copper coils. Background technique

[0002] The so-called full tensor magnetic field gradient refers to the amount of change of the three components of the magnetic field vector along the direction of the three-dimensional space base. The measurement of the full tensor magnetic field gradient information is composed of a magnetic sensor as a basic unit through a reasonable spatial arrangement and an appropriate connection. The importance of magnetic measurement technology in scientific research, medicine and various sectors of the national economy has become increasingly prominent. According to the different requirements of various magnetic field measurements, magnetic sensors with different advantages and performances emerge in endlessly, such as fluxgate sensors, GMR, GMI, SQUID, nucl...

Examples

Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] The present invention proposes a full-tensor magnetic field gradient measurement device based on copper coils. Since the full-tensor magnetic field gradient meter based on copper coils is an ideal sensor, its working principle is simple and reliable, and can be widely used in position measurement and displacement measurement. , eddy current detection, non-destructive detection measurement and earthquake prediction, etc.

[0036] like figure 1 As shown, the copper coil-based full-tensor magnetic field gradient measurement ...