Antimagnetic cable

Abstract

The anti-magnetic cable comprises a cable core, the side surface of the cable core is fixedly connected with an insulating layer, the side surface of the insulating layer is fixedly connected with an anti-magnetic layer, and the side surface of the anti-magnetic layer is fixedly connected with an outer sheath; the side surface of the magnetic ring is fixedly connected with a connecting rod, the side surface of the connecting rod is in threaded connection with an extension rod, the end, away from the connecting rod, of the extension rod is rotationally connected with a rotating block, the inner side face of the rotating block is in threaded connection with a threaded rod, and one end of the threaded rod is fixedly connected with a connecting block. Through the components, the antimagnetic layer can be used for isolating electromagnetism, converting electromagnetic radiation into heat and improving the anti-interference effect, the insulating layer with good heat insulation performance is used for protecting the internal cable core, the heat generated by the antimagnetic layer is effectively isolated, the influence on the cable core is avoided, the magnetic ring can be used for inhibiting electromagnetic interference, and the anti-interference effect is improved. And the extendable extension rod is arranged between the two groups of magnetic rings, so that a certain distance is kept between the cables, and mutual interference is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a kind of anti-magnetic cable. BACKGROUND

[0002] The existing anti-magnetic cable is all in cable inside increases the structure of isolation layer and absorption layer, electromagnetic is shielded, and electromagnetic radiation is absorbed by absorption layer and converted into heat, provide the effect of electromagnetic anti-interference, but there is no heat insulation treatment to internal cable core, the heat converted by absorption layer can increase the temperature of cable core, affect the normal use of cable, such as the anti-magnetic cable disclosed in Chinese patent, its application number is CN202420586122.2, although the electromagnetic absorption layer using material is ferrite sheet, can absorb external electromagnetic radiation, convert it into heat energy, thereby reducing the electromagnetic interference in cable, but the heat after conversion can be transmitted to cable core and heat the cable core, affect the normal use of cable core, and reduce the service life of cable, use has limitation. SUMMARY

[0003] The utility model discloses at least solve one of the technical problems existing in the prior art, provide a kind of anti-magnetic cable, use anti-magnetic layer to enhance the anti-interference effect of cable to electromagnetic, and electromagnetic radiation can be converted into heat by absorption layer, while the cable core in the inside is protected by insulation layer, enhance the wear resistance between anti-magnetic layer, provide the service life of cable, and isolate the heat released by absorption layer, avoid the influence of high temperature on cable core, while the surface of outer sheath is provided with slidable magnetic ring, so that the magnetic ring can suppress electromagnetic interference, and extendable extension rod is provided between the two groups of magnetic rings, so that a certain distance is maintained between the two groups of cables, to avoid mutual interference.

[0004] The utility model discloses still provide with above-mentioned one kind anti-magnetic cable, it includes: cable core, the side surface of the cable core is fixedly connected with insulating layer, the side surface of the insulating layer is fixedly connected with anti-magnetic layer, the side surface of the anti-magnetic layer is fixedly connected with outer sheath;

[0005] Magnetic ring, the side surface of the magnetic ring is fixedly connected with connecting rod, the side surface of the connecting rod is threadedly connected with extension rod, the end away from the connecting rod of the extension rod is rotatably connected with rotating block, the inner side of the rotating block is threadedly connected with threaded rod, and one end of the threaded rod is fixedly connected with connecting block. Through above-mentioned component, electromagnetic can be isolated by anti-magnetic layer, and electromagnetic radiation can be converted into heat, to improve the effect of anti-interference, and the cable core in the inside is protected by insulation layer, while having good heat insulation, can effectively isolate the heat generated by anti-magnetic layer, avoid affecting cable core, magnetic ring can also be moved to the vicinity of interference source to suppress electromagnetic interference, and extendable extension rod can be installed between the two groups of magnetic rings, so that a certain distance is maintained between the cables, to prevent mutual interference.

[0006] The utility model relates to a kind of anti-magnetic cable, the insulating layer includes inner insulation cover, the side surface of the inner insulation cover is fixedly connected with connecting layer, the outer insulation cover is fixedly connected with the end of connecting layer away from inner insulation cover, and filling layer is fixedly connected between the inner insulation cover and outer insulation cover.The above components can make the insulating layer have insulation and heat insulation effect.

[0007] The utility model relates to a kind of anti-magnetic cable, the anti-magnetic layer includes absorption layer, the side surface of the absorption layer is fixedly connected with isolation layer, and copper wire layer is fixedly connected with the side surface of the isolation layer.The above components make that anti-magnetic layer can shield magnetic force, and absorption layer converts magnetic force into heat.

[0008] The utility model relates to a kind of anti-magnetic cable, the side surface of the cable core is fixedly connected with inner insulation cover, and the side surface of the outer insulation cover is fixedly connected with absorption layer.The above components fix insulating layer between cable core and anti-magnetic layer.

[0009] The utility model relates to a kind of anti-magnetic cable, the side surface of the copper wire layer is fixedly connected with outer sheath, and isolation layer is located between copper wire layer and absorption layer.The above components can enhance the effect of anti-magnetic by isolation layer, and absorption layer converts excess magnetic force into heat energy.

[0010] The utility model relates to a kind of anti-magnetic cable, the connecting rod has two and is symmetrically distributed, and magnetic ring is located between two connecting rods.The above components can connect extension rod and connecting block by connecting rod, keep certain distance between cable, avoid the interference of electromagnetism.

[0011] The utility model relates to a kind of anti-magnetic cable, the side surface of the outer sheath is slidably connected with magnetic ring, and the end of threaded rod away from connecting block extends to the inside of extension rod through the side surface of extension rod.The above components can extend the length of extension rod by threaded rod, increase the distance between cable.

[0012] The utility model relates to a kind of anti-magnetic cable, rotating block is located between extension rod and connecting block, and the side inner wall of connecting block is threadedly connected with connecting rod in working.The above components can connect another set of magnetic ring by connecting block, facilitate the distance between two cables.

[0013] Beneficial effects:

[0014] Compared with the prior art, the anti-magnetic layer enhances the anti-interference effect of the cable on the electromagnetic, the absorption layer can absorb and convert electromagnetic radiation into heat, the insulation layer protects the cable core, enhances the wear resistance between the anti-magnetic layer and the insulation layer, prolongs the service life of the cable, and isolates the heat released by the absorption layer to avoid the influence of high temperature on the cable core, and the outer sheath is provided with a slidable magnetic ring on the surface, the magnetic function can inhibit electromagnetic interference, and the extension rod between the two groups of magnetic rings can keep a certain distance between the two groups of cables to avoid mutual interference. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained below in combination with the drawings and examples.

[0016] Figure 1 It is the overall structure diagram of the anti-magnetic cable of the utility model;

[0017] Figure 2 It is the insulation layer structure diagram of the anti-magnetic cable of the utility model;

[0018] Figure 3 It is the anti-magnetic layer structure diagram of the anti-magnetic cable of the utility model;

[0019] Figure 4 It is the magnetic ring sectional structure diagram of the anti-magnetic cable of the utility model.

[0020] Legend:

[0021] 1, outer sheath, 2, magnetic ring, 3, connecting rod, 4, extension rod, 5, rotating block, 6, connecting block, 7, anti-magnetic layer, 8, insulation layer, 9, cable core, 10, outer insulation sleeve, 11, connecting layer, 12, filling layer, 13, inner insulation sleeve, 14, copper wire layer, 15, isolation layer, 16, absorption layer, 17, threaded rod. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Reference Figures 1-4 The utility model discloses an anti-magnetic cable, which comprises a cable core 9, the side surface of the cable core 9 is fixedly connected with an insulation layer 8, the cable core 9 is insulated and heat-protected, the side surface of the insulation layer 8 is fixedly connected with an anti-magnetic layer 7, the influence of external magnetic field on internal signal transmission is reduced or shielded, the side surface of the anti-magnetic layer 7 is fixedly connected with an outer sheath 1, and the internal cable structure is protected.

[0024] The side surface of the magnetic ring 2 is slidably connected with the outer sheath 1, is placed near the cable end or the interference source, and effectively suppresses electromagnetic interference. The side surface of the magnetic ring 2 is fixedly connected with the connecting rod 3. The connecting rod 3 has two and is symmetrically distributed. The magnetic ring 2 is located between the two connecting rods 3. The connecting rod 3 is used for connecting the extension rod 4 and the connecting block 6. The side surface of the connecting rod 3 is threadedly connected with the extension rod 4. The distance between the two groups of cables can be adjusted. The cable susceptible to interference is away from other cables or electromagnetic interference sources. The end, away from the connecting rod 3, of the extension rod 4 is rotatably connected with the rotating block 5. After rotation, the rotating block 5 drives the threaded rod 17 to move, and the distance between the two groups of cables is increased. The inner side surface of the rotating block 5 is threadedly connected with the threaded rod 17. The end, away from the connecting block 6, of the threaded rod 17 extends to the inside of the extension rod 4 through the side surface of the extension rod 4, and the distance of the extension rod 4 can be increased. One end of the threaded rod 17 is fixedly connected with the connecting block 6. The rotating block 5 is located between the extension rod 4 and the connecting block 6. The side inner wall of the connecting block 6 is threadedly connected with the connecting rod 3 in working, and connects the magnetic ring 2 on the other group of cables.

[0025] The insulating layer 8 comprises an inner insulating sleeve 13. The side surface of the cable core 9 is fixedly connected with the inner insulating sleeve 13. The material is PVC material, has good insulation and waterproof effect, the side surface of the inner insulating sleeve 13 is fixedly connected with the connecting layer 11, is used for connecting the outer insulating sleeve 10 and the inner insulating sleeve 13, and separates the filling layer 12, so that the cable has buffering property and does not reduce the supporting effect, the end, away from the inner insulating sleeve 13, of the connecting layer 11 is fixedly connected with the outer insulating sleeve 10, the side surface of the outer insulating sleeve 10 is fixedly connected with the absorbing layer 16, the material is PE material, has good wear resistance and weather resistance, the inner insulating sleeve 13 and the outer insulating sleeve 10 are fixedly connected with the filling layer 12, the material is silica gel, has good heat resistance and weakening buffering vibration effect.

[0026] The anti-magnetic layer 7 comprises the absorbing layer 16. The material is ferrite sheet. The ferrite sheet is combined by ferrite particles and polyethylene, can absorb external electromagnetic radiation, and converts the external electromagnetic radiation into heat energy. The side surface of the absorbing layer 16 is fixedly connected with the isolation layer 15. The isolation layer 15 is located between the copper wire layer 14 and the absorbing layer 16. The material is iron-nickel alloy, can further improve the shielding effect of the cable on the magnetic field, and reduces the interference of the external magnetic field on the internal signal. The side surface of the isolation layer 15 is fixedly connected with the copper wire layer 14. The side surface of the copper wire layer 14 is fixedly connected with the outer sheath 1. The copper wire with good conductivity forms a mesh structure, prevents further penetration of external electromagnetic radiation.

[0027] Working principle: the anti-magnetic layer 7 is arranged between the outer sheath 1 and the insulating layer 8, so that the copper wire layer 14 in the anti-magnetic layer 7 and the isolation layer 15 reduce the electromagnetic interference, and the absorption layer 16 absorbs and converts the electromagnetic not completely shielded into heat, the outer insulating sleeve 10 has good effect to prevent the anti-magnetic layer 7 from causing abrasion to the cable core 9, and the filling layer 12 isolates and insulates the anti-magnetic layer 7 and the cable core 9, so that the heat converted by the absorption layer 16 does not affect the use of the cable core 9, and the slidable magnetic ring 2 is further arranged on the side surface of the outer sheath 1, which can be slid to the vicinity of the interference source to suppress the electromagnetic interference, and can be connected with the extension rod 4 and the connecting block 6 through the connecting rod 3, so that the distance between the cables is kept, and the length of the extension rod 4 can be increased through the rotation of the rotating block 5 and the threaded rod 17, so as to increase the distance between the two groups of cables and avoid mutual interference.

[0028] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A magnetically shielded cable, characterized by Include: The side surface of the cable core (9) is fixedly connected with the insulating layer (8), the side surface of the insulating layer (8) is fixedly connected with the magnetic layer (7), the side surface of the magnetic layer (7) is fixedly connected with the outer sheath (1); The side surface of the magnetic ring (2) is fixedly connected with the connecting rod (3), the side surface of the connecting rod (3) is threadedly connected with the extension rod (4), the end of the extension rod (4) away from the connecting rod (3) is rotatably connected with the rotating block (5), the inner side of the rotating block (5) is threadedly connected with the threaded rod (17), one end of the threaded rod (17) is fixedly connected with the connecting block (6).

2. A magnetically shielded cable according to claim 1, characterized in that The insulating layer (8) includes an inner insulating sleeve (13), the side surface of the inner insulating sleeve (13) is fixedly connected with the connecting layer (11), the end of the connecting layer (11) away from the inner insulating sleeve (13) is fixedly connected with the outer insulating sleeve (10), and the inner insulating sleeve (13) and the outer insulating sleeve (10) are fixedly connected with the filling layer (12).

3. A magnetically shielded cable according to claim 1, wherein The magnetic layer (7) includes an absorbing layer (16), the side surface of the absorbing layer (16) is fixedly connected with the isolation layer (15), and the side surface of the isolation layer (15) is fixedly connected with the copper wire layer (14).

4. A magnetically shielded cable according to claim 2, wherein The side surface of the cable core (9) is fixedly connected with the inner insulating sleeve (13), and the side surface of the outer insulating sleeve (10) is fixedly connected with the absorbing layer (16).

5. A magnetically shielded cable according to claim 3, wherein The side surface of the copper wire layer (14) is fixedly connected with the outer sheath (1), and the isolation layer (15) is located between the copper wire layer (14) and the absorbing layer (16).

6. A magnetically shielded cable according to claim 1, wherein The connecting rod (3) has two and is symmetrically distributed, and the magnetic ring (2) is located between the two connecting rods (3).

7. A magnetically shielded cable according to claim 1, wherein The side surface of the outer sheath (1) is slidably connected with the magnetic ring (2), and the end of the threaded rod (17) away from the connecting block (6) extends through the side surface of the extension rod (4) to the inside of the extension rod (4).

8. The magnetically shielded cable of claim 1, wherein, The rotating block (5) is located between the extension rod (4) and the connecting block (6), and the side inner wall of the connecting block (6) is threadedly connected with the connecting rod (3) in working.

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