Cable Shielding Layer Symmetrical Connection for Radiation Reduction
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Solution Overview
Problem
Existing cable connections fail to form a stable and effective electromagnetic shielding between cables, leading to electromagnetic interference and radiation issues.
Innovation Solution
A cable assembly design with symmetrical or 360° connections between shielding layers of cables, combined with conductive devices for transitional connections, ensures continuity and enhances electromagnetic shielding efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single spot connection is used between shielding layers, then the connection structure is simple, but a large current flows through the connection position generating a magnetic field that causes large radiation and seriously affects other electrical appliances
Solution Approach 1:
The patent divides the single connection point into multiple connection positions arranged symmetrically around the cable assembly. This segmentation distributes the current flow across multiple paths, reducing the current density at each connection point and thereby reducing the magnetic field strength and electromagnetic radiation generated at each position.
Solution Approach 2:
The patent employs symmetrical arrangement of connection positions rather than asymmetrical single-point connection. The symmetrical configuration ensures that magnetic fields generated at different connection positions are in opposite directions and offset each other, reducing the resultant magnetic field and electromagnetic radiation.
2Ease of manufacture
If the shielding connection structure is simplified, then the manufacturing process is easier, but the electromagnetic shielding effect between cable cores is compromised
Solution Approach 1:
The patent creates equipotential connections between shielding layers at multiple symmetrically arranged positions. This ensures that the shielding layers maintain consistent electrical potential across the connection region, providing effective electromagnetic shielding while using simple connection structures that are easy to manufacture.
3Object-generated harmful factors
If multiple connection positions are used between shielding layers, then the electromagnetic radiation is reduced by offsetting magnetic fields, but the connection structure becomes more complex
Solution Approach 1:
The patent applies local symmetrical arrangement of connection positions specifically at the cable assembly ends where shielding connections are needed. This localized approach provides the electromagnetic radiation reduction benefits of multiple connections only where required, without unnecessarily complicating the entire cable structure.
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
The design effectively reduces electromagnetic radiation by offsetting magnetic fields, improving shielding performance and ensuring stable connections while maintaining insulation and structural integrity.
Implementation Method 1
a large current will flow through the connection position to generate a magnetic field, which will be coupled with a magnetic field generated by the cable core
Implementation Method 2
the magnetic fields generated at the connection positions are in opposite directions and will offset each other to reduce the resultant magnetic field
Implementation Method 3
The main function of the shielding net is to provide a good shielding effect on the cable core, so as to prevent a current magnetic field of the cable core from generating electromagnetic interference on external electrical components
Data Source
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AI summary
The present disclosure provides a cable assembly and a manufacturing method for a cable assembly, which relate to the technical field of cables, and solve the problem that a cable connection structure is immature. The cable assembly provided by the present disclosure includes a first cable and a second cable. The first cable includes a first cable core and a first shielding layer. A periphery of the first cable core is wrapped by a first protective layer, and the first shielding layer is disposed on an outer side of the first protective layer. The second cable includes a second cable core and a second shielding layer. A periphery of the second cable core is wrapped by a second protective layer, and the second shielding layer is disposed on an outer side of the second protective layer. The first shielding layer is electrically connected to the second shielding layer, thereby realizing continuity of electromagnetic shielding structures of the first cable and the second cable, and effectively improving the electromagnetic shielding effect of the cable assembly.