Plastic insulation anti-interference control cable

Abstract

The utility model discloses a plastic insulating anti-interference control cable, which adopts a plurality of wire cores, each wire core comprises a conductor and a polypropylene insulating layer coated outside the conductor, a first shielding layer is arranged outside the wire cores, a second shielding layer is arranged outside the first shielding layer, and fillers are filled between the second shielding layer and the first shielding layer. An inner protection layer is arranged outside the second shielding layer, an armor layer is arranged outside the inner protection layer, and an outer protection layer is arranged outside the armor layer; a clamping cylinder is arranged on the outer side of the outer protective layer and can clamp a cable. According to the application, the polypropylene insulating layer is coated outside the conductor, so that accidents caused by electric leakage of the wire core can be avoided; multiple shielding layers are arranged on the cable, so that the cable cores can be prevented from being interfered by signals inside and outside the cable, and the anti-interference capability of the cable is improved; the cable is installed on the clamping cylinder, and the clamping cylinder can clamp the cable and install the cable in an external environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a plastic insulation anti -interference control cable. BACKGROUND

[0002] Cable is a kind of electric energy or signal transmission device, is widely used in agriculture, industry, national defense and various trades, the mass application of cable promotes the rapid development of production, also makes it pervade the every corner of life, application environment is more and more complex.In complex working environment, cable can be subjected to external various electromagnetic interference, these interferences can cause the signal of cable to become unstable, even data transmission interruption.In addition, for high-frequency signal or large current cable, it can generate electromagnetic interference itself, can cause interference to cable internal wire core and equipment.Shielding layer can guide these interferences to ground, ensure the safe operation of cable.In addition, the cable exists easy to slide in the process of installation and is not conducive to laying.Such as the Chinese patent with the publication number "CN217521762U" discloses an internal insulation wear-resistant high-temperature-resistant cable, the cable is not provided with shielding layer, it is susceptible to electromagnetic interference in work, and the cable does not take anti -skid, anti -looseness measure, and it is easy to appear looseness in the process of laying, is not conducive to the laying of cable. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of plastic insulation anti -interference control cable, to solve the technical problems raised in the background art.

[0004] To achieve the above object, the utility model provides a kind of plastic insulation anti -interference control cable, including multiple wire cores, the wire core includes conductor and polypropylene insulation layer covered in the conductor outer side, first shielding layer is arranged outside the wire core, second shielding layer is arranged outside the first shielding layer, the second shielding layer and the first shielding layer between filling are filled with filler, inner sheath is arranged outside the second shielding layer, armor layer is arranged outside the inner sheath, outer sheath is arranged outside the armor layer;

[0005] Outer sheath is arranged outside the clamp cylinder, gap is arranged on the clamp cylinder, connecting plate is arranged on the two sides of the gap respectively, clamping mechanism is arranged on the connecting plate, the clamp cylinder is provided with mounting rod.

[0006] In an alternative embodiment, the plastic insulation anti -interference control cable further includes ground wire, the ground wire is arranged on the filler, and multiple wire cores are uniformly distributed around the ground wire.

[0007] In an alternative embodiment, the plastic insulation anti -interference control cable further includes multiple reinforcing ribs, and multiple reinforcing ribs are arranged on the filler and are arranged at intervals with multiple wire cores.

[0008] In an optional embodiment, the material of the first shielding layer and the second shielding layer is copper tape.

[0009] In an optional embodiment, the inside of the polypropylene insulation layer is coated with fireproof material.

[0010] In an optional embodiment, the material of the inner protective layer is polyethylene.

[0011] In an optional embodiment, the material of the outer protective layer is flame-retardant polyvinyl chloride.

[0012] In an optional embodiment, the mounting rod and the connecting plate are arranged at the middle position in the axial direction of the clamp cylinder, the connecting plate is perpendicular to the axial direction of the clamp cylinder, and the mounting rod is perpendicular to the connecting plate.

[0013] In an optional embodiment, the clamping mechanism comprises a bolt through hole, a bolt, and a nut, the bolt through hole is arranged at the middle position of the connecting plate, and the bolt and the nut are matched to clamp the connecting plate.

[0014] In an optional embodiment, the filler material is fireproof mica particles.

[0015] Compared with the prior art, the utility model has the following technical effects:

[0016] The utility model discloses a plurality of wire cores, and the wire core comprises a conductor and a polypropylene insulation layer coated outside the conductor, a first shielding layer is arranged outside the wire core, a second shielding layer is arranged outside the first shielding layer, a filler is filled between the second shielding layer and the first shielding layer, an inner protective layer is arranged outside the second shielding layer, an armored layer is arranged outside the inner protective layer, and an outer protective layer is arranged outside the armored layer. A clamp cylinder is arranged outside the outer protective layer, a gap equal in length to the clamp cylinder is arranged on the clamp cylinder, connecting plates are arranged on both sides of the gap, a clamping mechanism is arranged on the connecting plate, and the clamp cylinder is provided with a mounting rod. In the application, the polypropylene insulation layer is coated outside the conductor, which can avoid accidents caused by wire core leakage. Shielding layers are arranged outside each wire core, which can prevent signal interference between the wire cores in the cable. A total shielding layer is arranged outside all the wire cores, which can prevent the wire cores from being interfered by signals outside the cable and further improve the anti-interference ability of the cable. The cable is installed on the clamp cylinder, the clamping mechanism clamps the connecting plate to deform the clamp cylinder and clamp the cable, which prevents the cable from falling off. Through the mounting rod, the cable can be conveniently installed in the external environment. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below only show some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.

[0018] Figure 1 A radial cross-sectional view of the plastic insulation anti-interference control cable of the present application is shown in the figure.

[0019] Figure 2 A radial cross-sectional view of the present application is shown in the figure.

[0020] Explanation of reference numerals:

[0021]

[0022] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0025] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that the technical solutions can be realized by those skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0026] Reference Figure 1 and Figure 2The utility model provides a kind of plastic insulation anti-interference control cable 100.

[0027] In the utility model embodiment, plastic insulation anti-interference control cable 100 includes multiple wire cores 1, wire core 1 includes conductor 101 and polypropylene insulation layer 102 covered outside conductor, first shielding layer 2 is arranged outside wire core 1, second shielding layer 4 is arranged outside first shielding layer 2, filler 3 is filled between second shielding layer 4 and first shielding layer 2, inner protective layer 5 is arranged outside second shielding layer 4, armor layer 6 is arranged outside inner protective layer 5, outer protective layer 7 is arranged outside armor layer 6. Outer protective layer 7 outside setting clamping cylinder 21, clamping cylinder 21 is provided with slit 22 equal in length with clamping cylinder 21, connecting plate 23 is respectively arranged on the two sides of slit 22, clamping mechanism 24 is arranged on connecting plate 23, clamping cylinder 21 is provided with mounting rod 25.

[0028] In the application, through the cooperation of polypropylene insulation layer 102, first shielding layer 2 and second shielding layer 4, the accidents caused by leakage of cable 100 can be avoided, and the cable 100 can be prevented from being interfered by signals, and the cable 100 can be clamped and installed by clamping cylinder 21. Specifically, the polypropylene insulation layer 102 is coated outside the conductor 101, so that the accidents caused by leakage of the wire core 1 can be avoided. The first shielding layer 2 is arranged outside each wire core 1, so that the signal interference between the wire cores 1 in the cable 100 can be prevented. The second shielding layer 4 is arranged outside all the wire cores 1, so that the wire cores 1 can be prevented from being interfered by the signals outside the cable 100, and the anti-interference ability of the cable 100 is further improved. The cable 100 is installed on the clamping cylinder 21, and the clamping cylinder 21 is made of a material with good toughness, such as stainless steel, copper alloy, polyethylene polyamide and polycarbonate, but is not limited thereto. The slit 22 equal in length with the clamping cylinder 21 is arranged on the clamping cylinder 21, forming an unsealed clamping cylinder 21. The clamping mechanism 24 clamps the connecting plates 23 arranged on the two sides of the slit 22, so that the clamping cylinder 21 is deformed to clamp the cable 100, preventing the cable 100 from slipping off. Through the mounting rod 25, the cable 100 can be installed in the external environment flexibly and conveniently.

[0029] In an embodiment of the utility model, the plastic insulation anti-interference control cable 100 further includes a ground wire 8, the ground wire 8 is arranged on the filler 3, and the three wire cores 1 are uniformly distributed around the ground wire 8 in a circle. The ground wire 8 can prevent static electricity from accumulating and guide fault current into the ground to avoid fire or explosion, protect electrical equipment and prevent electric shock to the human body.

[0030] In an embodiment of the utility model, the plastic insulation anti-interference control cable 100 further includes three reinforcing ribs 9, the reinforcing ribs 9 are arranged on the filler 3 and are arranged at intervals with the core 1. The material of the reinforcing rib 9 can select the material that the tenacity and the strength are good, such as stainless steel, can provide certain bending resistance for the cable 10. The material of the armored layer 6 can also select stainless steel, and the armored layer 6 can improve the strength of the cable 100 and protect the cable 100.

[0031] In an embodiment of the utility model, the material of the first shielding layer 2 and the second shielding layer 4 is copper strip, the copper strip provides consistent and continuous shielding layer, and the shielding effect of the copper strip is better for the plane electromagnetic wave, especially in high frequency application, and at the same time, the conductivity and mechanical strength of the copper strip shielding are usually better than that of the copper wire shielding, which can provide more stable shielding effect.

[0032] In an embodiment of the utility model, the inside of the polypropylene insulation layer 102 is coated with fireproof material, which can prevent the core 1 from leaking and also prevent the conductor 101 from overheating and causing spontaneous combustion to damage the cable 100.

[0033] In an embodiment of the utility model, the material of the inner protective layer 5 is polyethylene, which has good plasticity, water resistance and insulation, and can prevent moisture from entering the cable 100 and affecting the performance and service life of the cable 100.

[0034] In an embodiment of the utility model, the material of the outer protective layer 7 is flame-retardant polyvinyl chloride, which has the advantages of flame retardation, corrosion resistance, high strength and good comprehensive mechanical properties, and can well protect the cable 100.

[0035] In an embodiment of the utility model, the mounting rod 25 and the connecting plate 23 are arranged at the middle position in the axial direction of the clamping cylinder 21, the connecting plate 23 is perpendicular to the axial direction of the clamping cylinder 21, and the mounting rod 25 is perpendicular to the connecting plate 23. This mounting method can effectively utilize the space, the cable 100 and the clamping cylinder 21 are uniformly stressed, and the operation is convenient.

[0036] In an embodiment of the utility model, the clamping mechanism 24 includes a bolt through hole 241, a bolt 242 and a nut 243, the bolt through hole 241 is arranged at the middle position of the connecting plate 23, and the bolt 242 cooperates with the nut 243 to clamp the connecting plate 23.

[0037] In an embodiment of the utility model, the material of the filler 3 is fireproof mica particle, the filler 3 not only can coat the core 1 and the first shielding layer 2, but also has good flame retardation, which can prevent the internal combustion of the cable and protect the cable 100.

[0038] In the specific application of the present application, the polypropylene insulation layer 102 is coated outside the conductor 101, which can avoid accidents caused by leakage of the wire core 1. The first shielding layer 2 is arranged outside each wire core 1 respectively, which can prevent signal interference between the wire cores 1 in the cable 100. The second shielding layer 4 is arranged outside all the wire cores 1, which can prevent the wire cores 1 from being interfered by signals outside the cable 100, and further improve the anti-interference ability of the cable 100. The cable 100 is installed on the clamp cylinder 21, which is made of a material with good toughness, such as stainless steel, copper alloy, polyethylene polyamide, polycarbonate, but is not limited thereto. The clamp cylinder 21 is provided with a gap 22 with the same length as the clamp cylinder 21, forming an open clamp cylinder 21. By adjusting the bolt 242 and the nut 243, the connecting plate 23 arranged on both sides of the gap 22 can be clamped, so that the clamp cylinder 21 is deformed to clamp the cable 100, preventing the cable 100 from slipping off. Through the installation rod 25, the cable 100 can be installed in the external environment flexibly and conveniently.

[0039] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like within the inventive concept of the present application, and the contents of the present application specification and drawings are included in the patent protection range of the present application.

Claims

1. A plastic insulated tamperproof control cable, characterised in that, The cable comprises a plurality of cores, each core comprising a conductor and a polypropylene insulating layer covering the conductor, a first shielding layer disposed outside the core, a second shielding layer disposed outside the first shielding layer, a filler disposed between the first and second shielding layers, an inner protective layer disposed outside the second shielding layer, an armor layer disposed outside the inner protective layer, and an outer protective layer disposed outside the armor layer. A clamp cylinder is disposed outside the outer protective layer, the clamp cylinder is provided with a gap, and a connecting plate is disposed on each side of the gap.

2. A plastic insulated tamperproof control cable as claimed in claim 1, characterised in that, A ground wire is further included, and the ground wire is disposed on the filler, and the plurality of cores are uniformly distributed around the ground wire.

3. A plastic insulated tamperproof control cable as claimed in claim 1, wherein, The first shielding layer and the second shielding layer are made of copper strips.

4. A plastic insulated tamperproof control cable as claimed in claim 1, wherein, The polypropylene insulating layer is coated with a fireproof material on the inside.

5. A plastic insulated tamper-resistant control cable according to claim 1, wherein, The inner protective layer is made of polyethylene.

6. A plastic insulated tamper-resistant control cable according to claim 1, wherein, The outer protective layer is made of flame-retardant polyvinyl chloride.

7. A plastic insulated tamperproof control cable as claimed in claim 1, wherein, The mounting rod and the connecting plate are disposed at a middle position in the axial direction of the clamp cylinder, the connecting plate is perpendicular to the axial direction of the clamp cylinder, and the mounting rod is perpendicular to the connecting plate.

8. A plastic insulated tamperproof control cable according to claim 7, wherein the conductors are twisted together in pairs. The clamping mechanism comprises a bolt through-hole, a bolt, and a nut, the bolt through-hole is disposed at a middle position of the connecting plate, and the bolt and the nut cooperate to clamp the connecting plate.

9. A plastic insulated tamperproof control cable according to claim 4, wherein, The filler is made of fire-resistant mica particles.

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