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On-site calibration device for spaceborne induction magnetometer

An on-site calibration, inductive technology, applied to measuring devices, the size/direction of the magnetic field, instruments, etc., can solve problems such as inability to calibrate, and achieve accurate and reliable values.

Active Publication Date: 2022-08-09
中国船舶重工集团有限公司第七一0研究所
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  • Abstract
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  • Application Information

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Problems solved by technology

[0006] In view of this, the present invention provides an on-site calibration device for a space-borne induction magnetometer. A device for on-site calibration of the inductive magnetometer on

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  • On-site calibration device for spaceborne induction magnetometer
  • On-site calibration device for spaceborne induction magnetometer
  • On-site calibration device for spaceborne induction magnetometer

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Embodiment Construction

[0020] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0021] The invention provides an on-site calibration device of a space-borne induction magnetometer, comprising: a three-dimensional translation support, a magnetic shielding module, a momentless coil and an AC constant current source.

[0022] The three-dimensional translation bracket in the invention is used to support the magnetic shielding device and the momentless coil, and has the functions of lifting and two-dimensional horizontal translation. Move to coincide with the center of the induction magnetometer.

[0023] The magnetic shielding module in the invention can realize a zero magnetic space without interference inside it, and can calibrate the noise index of the induction magnetometer.

[0024] The torqueless coil in the invention is used in conjunction with an AC power source to generate a standard magnetic field with adjustable frequency a...

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Abstract

The invention discloses an on-site calibration device of a spaceborne induction magnetometer, which relates to the technical field of magnetic measurement instrument measurement and aims to solve the problem that the spaceborne induction magnetometer cannot be calibrated after being installed on a satellite. The calibration device includes a three-dimensional translation support, a magnetic shielding module, a momentless coil and an AC constant current source. The three-dimensional translation bracket is used to support the magnetic shielding module and the momentless coil, and has the functions of lifting and 2D horizontal translation. It is used to raise the magnetic shielding module to the height of the induction magnetometer, and move the center of the magnetic shielding module to the Coincides with the center of the inductive magnetometer. The magnetic shielding module realizes a zero magnetic space without interference inside, and calibrates the noise index of the induction magnetometer. The torqueless coil and the AC power supply are used to generate a standard magnetic field with adjustable frequency and magnetic field magnitude, and to calibrate the sensitivity and frequency response characteristics of the induction magnetometer.

Description

technical field [0001] The invention relates to the technical field of measurement of magnetic measuring instruments, in particular to an on-site calibration device of a spaceborne induction magnetometer. Background technique [0002] The inductive magnetometer developed based on Faraday's electromagnetic induction principle is currently an important means of spatial low-frequency magnetic field detection due to its extremely high sensitivity in low-frequency magnetic field measurement. The ESA Cluster constellation, the American Fast satellite, the French Demeter satellite, the American Themis satellite, and China's TC-2, ZH-1 and other satellites are equipped with inductive magnetometers. Since the beginning of the 21st century, a series of earth's Induction magnetometers are included in international programmes for space, deep space exploration and seismic electromagnetic detection. The inductive magnetometer carried on the satellite is mainly used for low-frequency magn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R33/02G01R35/00
CPCG01R33/02G01R35/00
Inventor 李享翟晶晶张学斌孙楚光
Owner 中国船舶重工集团有限公司第七一0研究所
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