Magnetically Shielded Room Partitioning for Noise Isolation
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Solution Overview
Problem
Conventional magnetic shield rooms face challenges with supplementary equipment such as power units and measurement circuit control units generating noise, requiring these to be installed outside the shielded area, which is inconvenient and troublesome when the room is moved or used.
Innovation Solution
A magnetic shield room design that includes a partitioned inner space with one area for magnetic measurements and another for supplementary equipment, using magnetic shield bodies and conductive materials to minimize noise interference and allow for the installation of necessary equipment within the shielded environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If supplementary equipment is installed outside the magnetic shield room, then magnetic field noise from the equipment is reduced, but the work of installing equipment becomes troublesome and time-consuming each time the room is moved or used
Solution Approach 1:
The magnetic shield room is divided into two separate spaces by a partition member: a first inner space for magnetic measurements and a second inner space for housing supplementary equipment. This segmentation allows equipment to be installed within the shielded environment without compromising measurement quality, while eliminating the need for repeated installation and拆卸 operations.
2Object-affected harmful factors
If the inner space is divided into separate measurement and equipment areas, then noise from supplementary equipment is isolated from measurement areas, but the structural complexity of the shield room increases
Solution Approach 1:
A partition member made of magnetic shield body divides the inner space into two functional areas. This simple segmentation approach effectively isolates noise from the measurement area while maintaining overall structural simplicity and avoiding complex multi-component designs.
3Measurement precision
If a partition member is added to divide the inner space, then the magnetic shield room can house equipment internally without compromising measurement quality, but the volume available for each functional area is reduced
Solution Approach 1:
The partition member creates distinct functional zones that optimize space utilization. By separating equipment and measurement areas, each zone can be efficiently sized for its specific purpose, preventing the measurement area from being overcrowded with equipment while maintaining overall compactness.
Solution Approach 2:
Different regions of the shield room are optimized for different functions: the first inner space is optimized for magnetic measurements with minimal interference, while the second inner space is optimized for housing equipment. This local optimization ensures each area performs its function effectively despite the overall volume constraint.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design allows for efficient magnetic measurements by shielding external noise and enabling the installation of supplementary equipment within the shielded room, reducing the need for external setup and improving operational convenience during use and transport.
Implementation Method 1
an inner space is surrounded by an upper member (may also be referred to as 'ceiling member'), a side peripheral member (may also be referred to as 'wall member') and a lower member (may also be referred to as 'floor member') all of which are made of a material having high magnetic permeability, and the above inner space is shielded from an external environmental magnetic field
Implementation Method 2
a through conductor is provided on at least part of an inner wall of the through hole and is made conductive to a conductor plate of the magnetic shield body
Data Source
AI summary
A magnetically shielded room includes an upper shielding body, a side peripheral shielding body and a lower shielding body, all of which define a magnetically shielded inner space. The magnetically shielded inner space is divided into first and second inner spaces by a partition member which is a magnetic shielding body. A door, which is a magnetic shielding body, is provided for commonly closing the first and second inner spaces.