Environmental magnetic field testing device, testing method and computer-readable storage medium

A technology for testing devices and environmental magnetic fields, applied in measuring devices, the size/direction of magnetic fields, and using electromagnetic devices for magnetic field measurement, etc., can solve the problems of inability to measure magnetic field components and floor vibration components at the same time, lack of portability and controllability, System or device complexity and other problems, to achieve the effect of effective evaluation method, high test accuracy and large test range

Pending Publication Date: 2018-06-19
SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the shortcomings of the prior art described above, the object of the present invention is to provide an environmental magnetic field testing device, a testing method and a computer-readable storage medium, which are used to solve the problem that the prior art cannot simultaneously measure the magnetic field component and the floor vibration component, and the system Or complex devices, lack of portability and maneuverability

Method used

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  • Environmental magnetic field testing device, testing method and computer-readable storage medium
  • Environmental magnetic field testing device, testing method and computer-readable storage medium
  • Environmental magnetic field testing device, testing method and computer-readable storage medium

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0041] The present embodiment provides an environmental magnetic field testing device, comprising:

[0042] The magnetic sensor gradiometer is arranged on a non-magnetic support and is used to detect the magnetic field strength of its environment;

[0043] The vibration sensor is arranged on the surface of the horizon and is used to detect the vibration of the horizon;

[0044] The test case is used to electrically connect with the magnetic sensing gradiometer through a connector, so as to collect the magnetic field signal generated by the magnetic sensing gradiometer and the vibration signal described by the vibration sensor, and transmit the Corresponding processing of magnetic field signal and vibration signal;

[0045] The analyzer is electrically connected to the test case and is used for analyzing the processed magnetic field signal and vibration signal of the test case to evaluate the environment.

[0046] The environmental magnetic field testing device provided by th...

Embodiment 2

[0077] This embodiment provides a test method based on the environmental magnetic field testing device described in Embodiment 1, please refer to image 3 , is a schematic flow chart of an embodiment of a testing method based on an environmental magnetic field testing device. Such as image 3 As shown, the test method includes:

[0078] S31. According to the collection instruction, collect the time domain information of the magnetic field signal and the vibration signal processed by the test case, and convert the binary magnetic field signal and the vibration signal into a hexadecimal data format.

[0079] S32. Record the time domain information of the magnetic field signal and the vibration signal processed by the test case. In this embodiment, according to requirements, a high sampling rate for a period of time or a low sampling rate for a long period of time can be used to obtain the full-time fluctuation characteristics of the environmental magnetic field and vibration a...

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Abstract

The invention provides an environmental magnetic field testing device, a testing method and a computer readable storage medium. The environmental magnetic field testing device comprises a magnetic sensing gradient meter, a vibration sensor, a test cabinet and an analyzer; the magnetic sensing gradient meter is disposed on a non-magnetic bracket and is used for detecting the magnetic field strengthof the environment of the non-magnetic bracket; the vibration sensor is arranged on the surface of the ground and is used for detecting ground vibration; the test cabinet is electrically connected with the magnetic sensing gradient meter through a connector so as to collect magnetic field signals generated by the magnetic sensor gradient meter and vibration signals generated by the vibration sensor and correspondingly process the magnetic field signals and the vibration signals; and the analyzer is electrically connected with the test cabinet and is used for analyzing the magnetic field signals and the vibration signals processed by the test cabinet so as to evaluate the environment. The environmental magnetic field testing device of the invention has the advantages of portability, easiness in use, modular assembly and disassembly, normal temperature operation and maintenance, large test range and high accuracy, and can meet most of conventional environmental magnetic field tests. Theevaluation method is effective. According to the method, a sample is observed in a multi-dimensional manner, and therefore, information is more abundant.

Description

technical field [0001] The invention belongs to the technical field of magnetic field measurement, and relates to a test device and a test method, in particular to an environmental magnetic field test device, a test method and a computer-readable storage medium. Background technique [0002] Magnetocardiogram (Magnetocardiogram, MCG) instrument is a new type of non-invasive, non-contact, high specificity cardiac diagnosis and treatment equipment. The magnetocardiograph uses an extremely sensitive superconducting quantum interference device (SQUID) as a magnetic sensor to scan the inner magnetic signal in a certain area in the plane above the human heart, and perform magnetic information imaging on the heart. However, the high-sensitivity magnetic detection system is selective to the electromagnetic environment. It is an important task to use SQUID to carry out weak magnetic measurement and system application to complete the monitoring and evaluation of the target environment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/022G01H17/00
CPCG01R33/022G01H17/00
Inventor 孔祥燕王毅陈威张朝祥张树林伍俊
Owner SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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