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Electromagnetic shielding room

A technology of electromagnetic shielding and shielding shells, applied in the field of electromagnetic fields, can solve the problems of low shielding factor, restricting scientific research work, and inability to realize research activities, etc., and achieve the effect of improving low-frequency performance

Active Publication Date: 2014-12-24
INST OF ELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

In order to improve the low-frequency shielding effect of the present invention, the materials used for the construction of the shielding room and the shape of the shielding room are affected. As the frequency decreases, the shielding factor decreases, so the low-frequency shielding effect is poor
[0005] It can be seen that the existing electromagnetic shielding room field has the following problems: the shielding factor is low, especially the low-frequency shielding effect is poor
The residual magnetic field inside the shielding room is large, so some research activities that require high shielding cannot be realized, which greatly limits the development of scientific research work

Method used

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that, in the drawings or descriptions of the specification, similar or identical parts all use the same figure numbers. Implementations not shown or described in the accompanying drawings are forms known to those of ordinary skill in the art. Additionally, while illustrations of parameters including particular values ​​may be provided herein, it should be understood that the parameters need not be exactly equal to the corresponding values, but rather may approximate the corresponding values ​​within acceptable error margins or design constraints. The directional terms mentioned in the embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., are only referring to the directions of the...

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Abstract

The invention provides an electromagnetic shielding room. The electromagnetic shielding room comprises a shielding shell, wherein a closed electrometric shielding space is defined inside the shielding shell, the wall surface of the shielding shell comprises a permalloy shielding interlayer, a supporting layer and an aluminum plate shielding interlayer from inside to outside, and the permalloy shielding interlayer and the aluminum plate shielding interlayer are fixed to the inner side and the outer side of the supporting layer respectively. The electromagnetic shielding room not only adopts permalloy to shield a low-frequency magnetic field, but also adopts aluminum plates to shield a high-frequency electromagnetic field, and therefore the high-frequency shielding effect is improved.

Description

technical field [0001] The invention relates to the technical field of electromagnetic fields, in particular to a high-performance electromagnetic shielding room. Background technique [0002] The electromagnetic shielding room refers to the use of certain technical means to shield the electromagnetic interference generated by the earth's magnetic field, nature, and humanities, and create an environment without electromagnetic interference. Under the environment, various scientific research activities can be carried out. The electromagnetic shielding room is an important infrastructure in modern scientific research. For example, in the field of biomagnetism research, because the magnetic field of the organism under study is extremely weak, it is often submerged in the electromagnetic interference of the disorderly environment. Therefore, it is necessary to place the organism in A shielded room without electromagnetic interference can measure the weak magnetic field signals o...

Claims

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Application Information

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IPC IPC(8): H05K9/00
Inventor 朱万华方广有刘雷松
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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