Anti-interference computer cable

Abstract

The utility model discloses an anti-interference computer cable, which belongs to the technical field of computer cables, and is characterized in that the anti-interference computer cable comprises a cable main body, and the cable main body sequentially comprises a plurality of conductors, an insulating protection layer, a sub-shielding layer, a sub-wrapping tape, a main wrapping tape, a main shielding layer and an outer sheath from inside to outside; the insulation protection layer comprises an inner insulation layer, a buffer insulation layer and an outer insulation layer, the inner insulation layer is arranged on the surface of the conductor, the buffer insulation layer is arranged on the surface of the inner insulation layer, and the outer insulation layer is arranged on the surface of the buffer insulation layer. The inner and outer sides of the cable main body have good shielding effects, the total shielding layer can prevent external electromagnetic interference from entering the cable main body to influence signal transmission, and the branch shielding layers can prevent mutual interference among a plurality of conductors in the cable main body, so that the stability of signal transmission of the cable main body is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to computer cable technical field, especially in an anti -interference computer cable. BACKGROUND

[0002] Computer cable belongs to electrical equipment cable, and the cable is suitable for the electronic computer and automatic instrument of higher anti-interference requirement under the rated voltage 500V and below, according to the use requirement of different environment and equipment, cable insulation can adopt polyethylene, polyvinyl chloride, crosslinked polyethylene, fluoroplastic, silicone rubber and other materials.

[0003] The existing computer current stability and anti-interference all have the deficiency, and the internal split screen line distribution is uneven, which can affect the internal electric field distribution, thereby affecting the performance of the cable;

[0004] The existing patent (announcement number: CN216287733U) discloses an anti-interference computer cable, which comprises a cable body, the utility model has stronger anti-interference ability, and a plurality of split screen lines are arranged in the interior, so that the internal electric field distribution of the cable body is more uniform during use, the working performance of the cable body is improved, and a plurality of protective layers are further arranged, so that the stability and service life of the internal structure are improved.

[0005] In view of the above problems, the existing patent provides a solution, and the existing computer cable has many problems in actual use, the traditional computer cable is not only easy to be affected by external electromagnetic interference, which seriously affects the accurate transmission of computer data and the stable operation of the system, and the multiple wires in the computer cable also interfere with each other, when multiple wires transmit different signals in parallel, due to electromagnetic induction and other principles, crosstalk may occur between adjacent wires, which causes signal mixing during transmission, reduces the quality and reliability of signal transmission.

[0006] Therefore, an anti-interference computer cable is provided. Utility model content

[0007] The utility model aims at providing an anti-interference computer cable, which can solve the problems of the existing computer cable in actual use, the traditional computer cable is not only easy to be affected by external electromagnetic interference, which seriously affects the accurate transmission of computer data and the stable operation of the system, and the multiple wires in the computer cable also interfere with each other, when multiple wires transmit different signals in parallel, due to electromagnetic induction and other principles, crosstalk may occur between adjacent wires, which causes signal mixing during transmission, reduces the quality and reliability of signal transmission.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: an anti -interference computer cable, including cable main part, the cable main part includes a plurality of conductors, insulating protective layer, partial shielding layer, partial tape, total tape, total shielding layer and outer sheath from inside to outside in proper order,

[0009] The insulating protective layer includes an inner insulating layer, a buffer insulating layer, and an outer insulating layer, the inner insulating layer is arranged on the surface of the conductor, the buffer insulating layer is arranged on the surface of the inner insulating layer, and the outer insulating layer is arranged on the surface of the buffer insulating layer.

[0010] The total shielding layer includes an electromagnetic shielding layer and an electrostatic protection layer, the electromagnetic shielding layer is arranged on the surface of the total tape, and the electrostatic protection layer is arranged on the surface of the electromagnetic shielding layer.

[0011] Preferably, the inner insulating layer, the buffer insulating layer and the outer insulating layer are respectively composed of polyimide material, silicone rubber and PVC material, and are arranged in turn by extrusion.

[0012] Preferably, the conductor is composed of a plurality of copper wires twisted together, and the copper wire is composed of high-purity oxygen-free copper wire.

[0013] Preferably, the electromagnetic shielding layer and the partial shielding layer are both composed of copper foil, and are spirally wrapped on the surface of the insulating protective layer and the total tape respectively.

[0014] Preferably, the electrostatic protection layer is composed of tinned copper wire, and is woven on the surface of the electromagnetic shielding layer.

[0015] Preferably, the total tape is internally provided with a filling layer, and the filling layer is filled between the plurality of conductors.

[0016] Preferably, the surface of the outer sheath is provided with a weather-resistant layer, the weather-resistant layer is composed of fluorocarbon paint, and is uniformly coated on the surface of the outer sheath.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. By setting the total shielding layer and the partial shielding layer, the cable main part has good shielding effect inside and outside under the synergistic effect of the two, the total shielding layer can prevent external electromagnetic interference from entering the cable main part and affecting signal transmission, and the partial shielding layer can prevent mutual interference between the plurality of conductors in the cable main part, thereby ensuring the stability of signal transmission of the cable main part.

[0019] 2. By setting the insulating protective layer, the utility model can effectively prevent leakage and crosstalk between the conductors, maintain the stability of the insulating performance when the cable main part is subjected to external force, and prolong the service life of the cable main part. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The overall structure diagram of the anti-interference computer cable of the utility model;

[0021] Figure 2 The exploded schematic view of the cable main body of the utility model;

[0022] Figure 3 The exploded schematic view of the insulation protective layer of the utility model;

[0023] Figure 4 The exploded schematic view of the total shielding layer of the utility model;

[0024] Figure 5 The connection schematic view of the weather-resistant layer and the outer sheath of the utility model.

[0025] In the figure, 1, cable main body; 2, conductor; 3, insulation protective layer; 31, inner insulation layer; 32, buffer insulation layer; 33, outer insulation layer; 4, partial shielding layer; 5, partial wrapping tape; 6, total wrapping tape; 7, total shielding layer; 71, electromagnetic shielding layer; 72, electrostatic protection layer; 8, outer sheath; 9, filling layer; 10, weather-resistant layer. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides technical schemes:

[0028] An anti-interference computer cable, comprising a cable main body 1, the cable main body 1 comprises a plurality of conductors 2, an insulation protective layer 3, a partial shielding layer 4, a partial wrapping tape 5, a total wrapping tape 6, a total shielding layer 7 and an outer sheath 8 from inside to outside in sequence.

[0029] The insulation protective layer 3 comprises an inner insulation layer 31, a buffer insulation layer 32 and an outer insulation layer 33, the inner insulation layer 31 is arranged on the surface of the conductor 2, the buffer insulation layer 32 is arranged on the surface of the inner insulation layer 31, and the outer insulation layer 33 is arranged on the surface of the buffer insulation layer 32.

[0030] The total shielding layer 7 comprises an electromagnetic shielding layer 71 and an electrostatic protection layer 72, the electromagnetic shielding layer 71 is arranged on the surface of the total wrapping tape 6, and the electrostatic protection layer 72 is arranged on the surface of the electromagnetic shielding layer 71.

[0031] In the embodiment: by setting the insulation protection layer 3 is composed of the inner insulation layer 31, the buffer insulation layer 32 and the outer insulation layer 33, the inner insulation layer 31 can effectively prevent the leakage phenomenon between the conductors 2, ensure the independent transmission of signals in the respective conductors 2, while the buffer insulation layer 32 provides buffer protection for the inner insulation layer 31 and the conductor 2 when the cable body 1 is subjected to external force extrusion, bending and other mechanical stress, prevents the inner insulation layer 31 from being damaged due to excessive deformation, thereby maintaining the stability of the insulation performance, and under the action of the outer insulation layer 33, it can effectively resist the damage of mechanical wear, chemical corrosion and other factors in the external environment to the cable body 1, further prolong the service life of the cable body 1, by setting the total shielding layer 7 is composed of the electromagnetic shielding layer 71 and the static protection layer 72, the electromagnetic shielding layer 71 can effectively absorb and reflect external electromagnetic interference, prevent it from entering the cable body 1 and affecting signal transmission, while the static protection layer 72 can eliminate the static interference generated by the charge accumulation inside the cable body 1, prevent the influence of static on signal transmission, and also can further enhance the resistance of the cable body 1 to external electromagnetic interference.

[0032] Specifically, as shown in Figure 3 , the inner insulation layer 31, the buffer insulation layer 32 and the outer insulation layer 33 are respectively composed of polyimide material, silicone rubber and PVC material, and the inner insulation layer 31, the buffer insulation layer 32 and the outer insulation layer 33 are sequentially extruded and wrapped.

[0033] In the embodiment: by setting the inner insulation layer 31, the buffer insulation layer 32 and the outer insulation layer 33 are respectively composed of polyimide material, silicone rubber and PVC material, the high electrical insulation performance of polyimide material can prevent the leakage phenomenon between the conductors 2, the silicone rubber has certain elasticity and buffering performance, which can improve the buffering protection of the cable body 1, and the outer insulation layer 33 composed of PVC material can effectively resist the damage of factors in the external environment to the cable body 1, prolong the service life of the cable body 1.

[0034] Specifically, as shown in Figure 2 , the conductor 2 is twisted by a plurality of copper wires, and the copper wire is composed of high-purity oxygen-free copper wire.

[0035] In the embodiment: by using the conductor 2 twisted by a plurality of high-purity oxygen-free copper wires, not only can increase the flexibility of the conductor 2, facilitate the laying and use of the cable body 1, but also compared with a single solid copper wire, the conductor 2 after twisting can effectively reduce the resistance in the current transmission process, reduce the power loss and improve the signal transmission efficiency.

[0036] Specifically, as shown in Figure 4 , the electromagnetic shielding layer 71 and the partial shielding layer 4 are both composed of copper foil, and are respectively wrapped in a spiral shape on the surface of the insulation protection layer 3 and the total wrapping tape 6.

[0037] Specifically, as shown in Figure 4 The electrostatic protection layer 72 is composed of tinned copper wire and is woven on the surface of the electromagnetic shielding layer 71.

[0038] In this embodiment: by setting the electromagnetic shielding layer 71 composed of copper foil, the external electromagnetic interference can be effectively absorbed and reflected, preventing it from entering the cable body 1 and affecting signal transmission. By setting the electrostatic protection layer 72 woven by tinned copper wire, the static interference caused by charge accumulation inside the cable body 1 can be eliminated, preventing static electricity from affecting signal transmission.

[0039] Specifically, as shown in Figure 2 The filling layer 9 is arranged inside the overall wrapping tape 6, and the filling layer 9 is filled between the plurality of conductors 2.

[0040] In this embodiment: by setting the filling layer 9, the contact between each part can be reduced, avoiding mechanical damage inside the cable body 1, thereby ensuring the stability of the physical structure inside the cable body 1 and prolonging the service life of the cable body 1.

[0041] Specifically, as shown in Figure 5 The weather-resistant layer 10 is arranged on the surface of the outer sheath 8, and the weather-resistant layer 10 is composed of fluorocarbon paint and is uniformly coated on the surface of the outer sheath 8.

[0042] In this embodiment: by setting the weather-resistant layer 10 composed of fluorocarbon paint, the erosion of natural factors can be resisted, effectively protecting the surface of the cable body 1 and ensuring the service life of the cable body 1.

[0043] Working principle: when the cable body 1 is used, the conductor 2 is responsible for efficiently transmitting signals, the inner insulation layer 31 in the insulation protection layer 3 can prevent electric leakage, and the buffer insulation layer 32 can resist mechanical stress, while the outer insulation layer 33 resists external environmental erosion, providing comprehensive protection of insulation performance and ensuring that signals are independently transmitted in each conductor 2 without being damaged by external factors. Through the sub-shielding layer 4, the electromagnetic shielding layer 71 and the electrostatic protection layer 72, the cable body 1 has good shielding effect inside and outside, the total shielding layer 7 can prevent external electromagnetic interference from entering the cable body 1 and affecting signal transmission, and the sub-shielding layer 4 can prevent mutual interference between the plurality of conductors 2 inside the cable body 1, ensuring the stability of signal transmission of the cable body 1. Under the action of the outer sheath 8, overall protection is provided, and the weather-resistant layer 10 further resists the erosion of natural factors, so that the entire cable body 1 can work stably in complex external environment for a long time, realizing accurate and efficient signal transmission.

[0044] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An anti-interference computer cable, comprising a cable body (1), characterized in that: The cable body (1) comprises, from the inside to the outside, a plurality of conductors (2), an insulating protective layer (3), a sub-shielding layer (4), a sub-wrapping tape (5), a general wrapping tape (6), a general shielding layer (7) and an outer sheath (8); The insulating protective layer (3) comprises an inner insulating layer (31), a buffer insulating layer (32) and an outer insulating layer (33), wherein the inner insulating layer (31) is arranged on the surface of the conductor (2), the buffer insulating layer (32) is arranged on the surface of the inner insulating layer (31), and the outer insulating layer (33) is arranged on the surface of the buffer insulating layer (32); The total shielding layer (7) comprises an electromagnetic shielding layer (71) and an electrostatic protection layer (72); the electromagnetic shielding layer (71) is arranged on the surface of the total wrapping tape (6), and the electrostatic protection layer (72) is arranged on the surface of the electromagnetic shielding layer (71).

2. The anti-interference computer cable according to claim 1, characterized in that: The inner insulating layer (31), the buffer insulating layer (32) and the outer insulating layer (33) are respectively made of polyimide material, silicone rubber and PVC material, and the inner insulating layer (31), the buffer insulating layer (32) and the outer insulating layer (33) are extruded in sequence.

3. The anti-interference computer cable according to claim 1, characterized in that: The conductor (2) is formed by twisting a plurality of copper wires, and the copper wires are high-purity oxygen-free copper wires.

4. The anti-interference computer cable according to claim 1, characterized in that: The electromagnetic shielding layer (71) and the sub-shielding layer (4) are both made of copper foil and are respectively wrapped in a spiral shape on the surface of the insulating protective layer (3) and the overall wrapping tape (6).

5. The anti-interference computer cable according to claim 1, characterized in that: The electrostatic protection layer (72) is made of tinned copper wire and is woven on the surface of the electromagnetic shielding layer (71).

6. The anti-interference computer cable according to claim 1, characterized in that: A filling layer (9) is provided inside the overall wrapping tape (6), and the filling layer (9) is filled between the plurality of conductors (2).

7. The anti-interference computer cable according to claim 1, characterized in that: described The surface of the outer sheath (8) is provided with a weather-resistant layer (10), and the weather-resistant layer (10) is made of fluorocarbon coating. The coating is evenly applied on the surface of the outer sheath (8).

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