Coaxial communication cable with high electromagnetic shielding effectiveness and preparation method thereof
A technology of electromagnetic shielding and communication cables, which is applied in the manufacture of coaxial cables, coaxial cables/analog cables, insulated cables, etc. It can solve the problems of short service life and poor anti-electromagnetic interference ability of cables, and achieve high insulation resistance and shielding The performance is uniform and the effect of reducing relative sliding friction
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Embodiment 1
[0039] Such as figure 1 As shown, a coaxial communication cable with high electromagnetic shielding efficiency includes a tinned copper conductor 1 (inner conductor 1), an insulating layer 2, an outer conductor layer 3 and an outer protective sheath with a solid core structure arranged sequentially from the inside to the outside 4; the insulating layer 2 is wrapped on the inner conductor 1; the outer conductor layer 3 is wrapped on the insulating layer 2; the outer protective sheath 4 is wrapped on the outer conductor layer 3; The outer conductor layer 3 is an electric shielding-magnetic shielding-electrical shielding-magnetic shielding-electrical shielding multilayer composite structure composed of a metal composite tape, a high magnetic permeability metal tape and a braided layer; specifically, the outer conductor layer 3 From the inside to the outside are the metal composite belt 3-1, the first high magnetic permeability metal belt 3-2, the first braided layer 3-3, the seco...
Embodiment 2
[0047] Such as figure 2 As shown, a coaxial communication cable with high electromagnetic shielding efficiency includes an inner conductor 1 (the inner conductor 1 is formed by twisting 7 silver-plated copper wires), an insulating layer 2, an outer conductor layer 3 and The outer protective sheath 4; the insulating layer 2 is wrapped on the inner conductor 1; the outer conductor layer 3 is wrapped on the insulating layer 2; the outer protective sheath 4 is wrapped on the outer conductor layer 3; The outer conductor layer 3 is an electric shielding-magnetic shielding-electrical shielding-magnetic shielding-electrical shielding multilayer composite structure composed of a metal composite tape, a high magnetic permeability metal tape and a braided layer; specifically, the outer conductor layer 3 From the inside to the outside are the metal composite belt 3-1, the first high magnetic permeability metal belt 3-2, the first braided layer 3-3, the second high magnetic permeability m...
Embodiment 3
[0051] Such as image 3 As shown, a coaxial communication cable with high electromagnetic shielding efficiency includes an inner conductor 1 (the inner conductor 1 is a tinned copper conductor with a tubular structure), an insulating layer 2, an outer conductor layer 3 and an outer protection layer arranged sequentially from the inside to the outside. Cover 4; the insulating layer 2 is wrapped on the inner conductor 1; the outer conductor layer 3 is wrapped on the insulating layer 2; the outer protective sheath 4 is wrapped on the outer conductor layer 3; the The outer conductor layer 3 is an electric shielding-magnetic shielding-electrical shielding-magnetic shielding-electrical shielding multilayer composite structure composed of a metal composite tape, a high magnetic permeability metal tape and a braided layer; specifically, the outer conductor layer 3 is composed of an inner To the outside are the metal composite belt 3-1, the first high magnetic permeability metal belt 3...
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