Static weak magnetic field detection device
A detection device and weak magnetic field technology, applied in the direction of the size/direction of the magnetic field, can solve the problems of cumbersome operation and low efficiency, and achieve the effects of high measurement efficiency, accelerated detection speed, and easy operation
Active Publication Date: 2018-01-05
JIANGHAN UNIVERSITY
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Problems solved by technology
[0005] In order to solve the problem of cumbersome operation and low efficiency when using Helmholtz coils to measure static weak magnetic fields in the prior art, an embodiment of the present invention provides a static weak magnetic field detection device
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[0035] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0036] figure 1 It is a schematic structural diagram of a static weak magnetic field detection device provided by an embodiment of the present invention, see figure 1 , the device consists of:
[0037] The magnetic field generating unit 10 includes three pairs of conductive thin plates, the three pairs of conductive thin plates are identical, the shapes and sizes of the two conductive thin plates in each pair of conductive thin plates are exactly the same, and the two conductive thin plates are parallel and oppositely arranged, and the three pairs of conductive thin plates are connected to each other. It is arranged vertically, and a rectangular space is formed among three pairs of conductive thin plates, and each pair of conductive t...
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The invention discloses a static weak magnetic field detection device, which belongs to the technical field of magnetic field measurement. The device includes: a magnetic field generation unit, a magnetic field detection unit, a current generation unit, and a processing unit. The magnetic field generation unit includes three pairs of conductive sheets, the three pairs of conductive sheets are identical, and the shape of two conductive sheets in each pair of conductive sheets is The size is exactly the same, and two conductive thin plates are arranged parallel and facing each other. Three pairs of conductive thin plates are arranged perpendicular to each other, and a rectangular space is formed between the three pairs of conductive thin plates. Each pair of conductive thin plates is used to generate a magnetic field under the action of current. The present invention uses three pairs of the same conductive thin plates to form a magnetic field generating unit. During the measurement process, since the conductive thin plates do not have self-inductance and mutual inductance effects like Helmertz coils, the static weak magnetic field detection device is easy to operate and has high measurement efficiency. higher.
Description
technical field [0001] The invention relates to the technical field of magnetic field measurement, in particular to a static weak magnetic field detection device. Background technique [0002] Magnetic field detection technology is an important means to study physical phenomena related to magnetic field. With the development of science and technology, magnetic field detection technology has been widely used in scientific research, national defense construction, industrial production, and daily life. As an important branch of magnetic field detection technology, weak magnetic field detection technology has also received more attention. [0003] The existing weak magnetic field detection is often realized by an induction coil magnetometer. The core component of the induction coil magnetometer is the Helmholtz coil. The Helmholtz coil uses two coils with exactly the same radius and number of turns. The two coils are arranged coaxially and the distance between the two coils is...
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IPC IPC(8): G01R33/02
Inventor 张建军
Owner JIANGHAN UNIVERSITY