Plastic insulation anti-interference control cable

Abstract

The utility model relates to the technical field of control cables, and discloses a plastic insulation anti-interference control cable, which comprises a cable body, a battery cell body, an insulation layer, a first interference layer, an armor layer, a second interference layer and a protective layer, the insulation layer is wrapped on the outer surface of the battery cell body, the first interference layer is arranged on the outer side of the insulation layer, and the armor layer is arranged on the outer side of the second interference layer. The armor layer is adhered to one side, far away from the insulating layer, of the first interference layer, and the second interference layer is arranged on one side, far away from the first interference layer, of the armor layer; according to the utility model, high-frequency interference signals can be reflected or absorbed, so that signals in the cable are protected from interference, electromagnetic shielding performance can be provided, the influence of electromagnetic interference on the signals in the cable is reduced, and along with the long-time use of the cable, through the cooperative use of the iron wires, the iron rings and the protective layer, the service life of the cable is prolonged. The cable is firmer and more durable, cable cracking caused by external force is reduced, and the service life of the cable is further prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of control cables, in particular to a plastic insulated anti-interference control cable. Background Art

[0002] Control cables are PVC insulated and PVC sheathed control cables suitable for industrial and mining enterprises, energy and transportation departments, and for control and protection lines with AC rated voltages below 450 / 750 volts. Power cables are used to transmit and distribute high-power electrical energy in the main lines of power systems, and control cables transmit electrical energy directly from the distribution points of the power system to the power connection lines of various electrical equipment and appliances.

[0003] During the use of control cables, a metal layer is often used for anti-interference. However, the metal foil itself is relatively thin. When the cable is bent, connected or arranged, it is easy to cause the metal foil itself to break, reducing the anti-interference effect and greatly reducing the overall use effect of the cable. Utility Model Content

[0004] The utility model aims to provide a plastic insulated anti-interference control cable to solve the problems existing in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic insulated anti-interference control cable, comprising a cable body, a battery core body, an insulating layer, a first interference layer, an armor layer, a second interference layer and a protective layer, the insulating layer is wrapped around the outer surface of the battery core body, the first interference layer is arranged on the outer side of the insulating layer, the armor layer is bonded to the side of the first interference layer away from the insulating layer, the second interference layer is arranged on the side of the armor layer away from the first interference layer, the protective layer is arranged on the outer side of the second interference layer, a plurality of iron wires are arranged around the outer surface of the protective layer, a plurality of iron rings are fixed on the surface of the iron wires, and an outer protective layer is arranged on the outermost side of the cable body.

[0006] Preferably, the protective layer includes an anti-cracking layer, an anti-corrosion layer and an anti-aging layer, the anti-corrosion layer is arranged between the anti-cracking layer and the anti-aging layer, the anti-aging layer is located on the outer surface of the second interference layer, and the anti-cracking layer is arranged on the outermost side.

[0007] Preferably, the material of the anti-cracking layer is polyurethane, and the material of the anti-corrosion layer is polyethylene.

[0008] Preferably, the second interference layer is made of aluminum foil, and the first interference layer is made of conductive material.

[0009] Preferably, a support frame is provided on the surface of the battery cell body, and the battery cell body is located on the inner surface of the support frame.

[0010] Preferably, a plurality of wear-resistant ridges are fixed around the outer surface of the outer protective layer, and the wear-resistant ridges are made of rubber.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model can reflect or absorb high-frequency interference signals through the provision of the first interference layer and the second interference layer, thereby protecting the signal inside the cable from interference, and can also provide electromagnetic shielding performance to reduce the impact of electromagnetic interference on the internal signal of the cable. With the long-term use of the cable, and through the coordinated use of the iron wire, the iron ring and the protective layer, the cable becomes more sturdy and durable, reducing the possibility of cable cracking or damage due to external force, and can also effectively resist the action of external mechanical forces, maintain the integrity of the cable, and improve the service life and reliability of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 It is a schematic diagram of a local structure in the utility model;

[0015] Figure 3 It is a schematic diagram of the unfolded structure of the protective layer in the utility model.

[0016] In the figure: 1. cable body; 11. battery cell body; 12. insulation layer; 13. first interference layer; 14. armor layer; 15. second interference layer; 16. protective layer; 161. anti-cracking layer; 162. anti-corrosion layer; 163. anti-aging layer; 2. support frame; 3. outer protective layer; 4. wear-resistant ridges; 5. iron wire; 6. iron ring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3As shown, a plastic insulated anti-interference control cable includes a cable body 1, the cable body 1 includes a battery body 11, an insulating layer 12, a first interference layer 13, an armor layer 14, a second interference layer 15 and a protective layer 16, the insulating layer 12 is wrapped around the outer surface of the battery body 11, a support frame 2 is arranged on the surface of the battery body 11, and the battery body 11 is located on the inner surface of the support frame 2, so that the battery body 11 can be supported to prevent it from being randomly offset, the first interference layer 13 is arranged on the outer side of the insulating layer 12, the armor layer 14 is bonded to the side of the first interference layer 13 away from the insulating layer 12, and the second interference layer 15 is arranged on the armor layer 14 away from the first interference layer 13 On one side, a protective layer 16 is arranged on the outside of the second interference layer 15, the second interference layer 15 is made of aluminum foil, and the first interference layer 13 is made of conductive material. The second interference layer 15 is made of aluminum foil, which is mainly used to shield high-frequency interference signals. It uses the conductive properties of metal foil to reflect or absorb high-frequency interference signals, thereby protecting the signals inside the cable from interference. The first interference layer 13 is made of conductive material to provide electromagnetic shielding performance and reduce the influence of electromagnetic interference on the internal signals of the cable. A plurality of iron wires 5 are arranged around the outer surface of the protective layer 16, and a plurality of iron rings 6 are fixed on the surface of the iron wires 5. An outer protective layer 3 is arranged on the outermost side of the cable body 1.

[0019] The protective layer 16 includes an anti-cracking layer 161, an anti-corrosion layer 162 and an anti-aging layer 163. The anti-corrosion layer 162 is arranged between the anti-cracking layer 161 and the anti-aging layer 163. The anti-aging layer 163 is located on the outer surface of the second interference layer 15. The anti-cracking layer 161 is arranged on the outermost side. Such an arrangement makes the cable less susceptible to external corrosion factors, reduces the risk of electrical failures caused by corrosion, and enhances the safety of the power system. At the same time, it can also enhance the structural strength of the cable, make the cable more sturdy and durable, and reduce the possibility of cable cracking or damage caused by external forces. The anti-cracking layer 161 is made of polyurethane, and the anti-corrosion layer 162 is made of polyethylene. They have good insulation properties and chemical stability, can effectively prevent oxidation of the cable core and conductor, and can also effectively resist the action of external mechanical forces, maintain the integrity of the cable, and improve the service life and reliability of the cable.

[0020] A plurality of wear-resistant ridges 4 are fixed around the outer surface of the outer protective layer 3, and the wear-resistant ridges 4 are made of rubber material, which can not only improve the wear resistance of the cable body 1, but also increase its service life.

[0021] Working principle: When in use, the battery body 11 is insulated by the insulating layer 12 to prevent the battery body 11 from being affected. At the same time, the first interference layer 13 and the second interference layer 15 are set to shield high-frequency interference signals. The conductive properties of the metal foil are used to reflect or absorb high-frequency interference signals, thereby protecting the signals inside the cable from interference. It can also provide electromagnetic shielding performance to reduce the impact of electromagnetic interference on the internal signals of the cable. With the long-term use of the cable, the protective layer 16 is set to make the cable less susceptible to external corrosion factors, reduce the risk of electrical failures caused by corrosion, and enhance the safety of the power system. At the same time, it can also enhance the structural strength of the cable, make the cable more sturdy and durable, and reduce the possibility of cable cracking or damage due to external forces. At the same time, it can also effectively resist the action of external mechanical forces, maintain the integrity of the cable, and improve the service life and reliability of the cable.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic insulated anti-interference control cable, comprising a cable body (1), characterized in that: The cable also comprises a cell body (11), an insulating layer (12), a first interference layer (13), an armor layer (14), a second interference layer (15) and a protective layer (16); the insulating layer (12) is wrapped around the outer surface of the cell body (11); the first interference layer (13) is arranged on the outer side of the insulating layer (12); the armor layer (14) is bonded to a side of the first interference layer (13) away from the insulating layer (12); the second interference layer (15) is arranged on a side of the armor layer (14) away from the first interference layer (13); the protective layer (16) is arranged on the outer side of the second interference layer (15); a plurality of iron wires (5) are arranged around the outer surface of the protective layer (16); a plurality of iron rings (6) are fixed to the surface of the iron wires (5); and an outer protective layer (3) is arranged on the outermost side of the cable body (1).

2. A plastic insulated anti-interference control cable according to claim 1, characterized in that: The protective layer (16) comprises an anti-cracking layer (161), an anti-corrosion layer (162) and an anti-aging layer (163); the anti-corrosion layer (162) is arranged between the anti-cracking layer (161) and the anti-aging layer (163); the anti-aging layer (163) is located on the outer surface of the second interference layer (15); and the anti-cracking layer (161) is arranged on the outermost side.

3. A plastic insulated anti-interference control cable according to claim 2, characterized in that: The material of the anti-cracking layer (161) is polyurethane, and the material of the anti-corrosion layer (162) is polyethylene.

4. A plastic insulated anti-interference control cable according to claim 1, characterized in that: The second interference layer (15) is made of aluminum foil, and the first interference layer (13) is made of conductive material.

5. The plastic insulated anti-interference control cable according to claim 1, characterized in that: A support frame (2) is provided on the surface of the battery cell body (11), and the battery cell body (11) is located on the inner surface of the support frame (2).

6. A plastic insulated anti-interference control cable according to claim 1, characterized in that: A plurality of wear-resistant ridges (4) are fixed around the outer surface of the outer protective layer (3), and the wear-resistant ridges (4) are made of rubber.

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