An anti-electromagnetic interference flexible tensile medical cable
An anti-electromagnetic interference and flexible technology, applied in communication cables, insulated cables, inductor/transformer/magnet manufacturing, etc., can solve the problems of limited shielding signal transmission capacity, poor environmental performance, cost and environmental damage, and achieve mechanical stability. , low electronic resistance, convenient directional channel effect
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Embodiment 1
[0054] An anti-electromagnetic interference flexible tensile medical cable is characterized in that, from the inside to the outside, it successively includes a centrally filled Kevlar fiber reinforced core 1-1, several twisted cable cores 1 around the reinforced core 1-1, and a magnetic shield Layer 2, braiding layer 3 and outer sheath 4; the cable core 1 includes a conductor 11 and an insulating layer 12 from the inside to the outside, the insulating layer 12 is extruded on the outside of the conductor 11, and the conductor 11 is made of silver-plated annealed copper wire. The silver-plated annealed copper wire for preparing the conductor is twisted with a monofilament with a conductor diameter of 0.08mm; the pitch ratio between the magnetic shielding layer 2 and the cable core 1 is 14, and the magnetic shielding layer 2 is wrapped around the cable core 1 The outer wrapping overlap rate is 25%;
[0055] The insulating layer 12 is made of polyfluoroethylene propylene material,...
Embodiment 2
[0077] The difference between this embodiment and Embodiment 1 is that the thickness of the insulating layer 12 is 0.125 mm, the pitch ratio between the magnetic shielding layer 2 and the cable core 1 is 20, and the wrapping ratio of the magnetic shielding layer 2 wrapped around the outside of the cable core 1 The braiding density of copper wire braiding layer 31 is 85%, and the braiding density of aramid fiber braiding layer 32 is 85%.
[0078] The preparation material of the magnetic shielding layer provided in this embodiment includes the following components by weight components:
[0079]
[0080] Among them, the magnetic Fe 3 o 4 / polyaniline / ZrO 2 Nanoparticles, by weight components, include the following components:
[0081]
[0082]
[0083] 5. A high-efficiency anti-electromagnetic interference and anti-tension medical cable according to claim 2, characterized in that the magnetic Fe 3 o 4 / polyaniline / ZrO 2 A method for preparing nanoparticles, compris...
Embodiment 3
[0100] The difference between this embodiment and Embodiment 1 is that the thickness of the insulating layer 12 is 0.15mm, the pitch ratio between the magnetic shielding layer 2 and the cable core 1 is 30, and the magnetic shielding layer 2 is wrapped around the outside of the cable core 1. The wrapping overlapping ratio is 45%, the braiding density of the copper wire braiding layer 31 is 90%, and the braiding density of the aramid fiber braiding layer 32 is 87.5%.
[0101] The preparation material of the magnetic shielding layer provided in this embodiment includes the following components by weight components:
[0102]
[0103] Among them, the magnetic Fe 3 o 4 / polyaniline / V 2 o 5 Nanoparticles, by weight components, include the following ingredients:
[0104]
[0105] Magnetic Fe 3 o 4 / polyaniline / V 2 o 5 A method for preparing nanoparticles, comprising the following steps:
[0106] 1) Add 10 parts of Fe 2 (SO 4 ) 3 Soluble in ethylene glycol to form a 0...
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