Anti-torsion bending-resistant fan control cable

Abstract

The utility model relates to the technical field of cables, in particular to an anti-torsion and bending-resistant fan control cable, which comprises a first wear-resistant layer, a plurality of wear-resistant strip columns arranged on the inner side of the first wear-resistant layer, a wear-resistant and anti-torsion mechanism arranged on the inner sides of the wear-resistant strip columns, and a bending-resistant mechanism arranged on the inner side of the wear-resistant and anti-torsion mechanism. A weather-proof mechanism is arranged on the inner side of the bending-resistant mechanism, the torsion resistance of the fan control cable is improved through the torsion-resistant sleeve, the fan control cable is prevented from being broken in strong wind weather, and the toughness and strength of the fan control cable are ensured through the cooperation between the plurality of torsion-resistant wires and the reinforcing wires. The tensile, super-flexible and weather-resistant performance of the cable can be effectively improved by adopting the multi-strand flexible tinned copper wire conductors, adopting the cotton threads for filling in the structure, adopting the dragging and wrapping layer mode and adopting the PUR material for the sheath, and further the wear-resistant, torsion-resistant and bending-resistant performance of the cable is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, specifically to a torsion-resistant and bending-resistant fan control cable. Background Art

[0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

[0003] Fan control cables are mainly used in aerospace, military, electronics and electrical engineering, energy conservation and environmental protection, wind power generation, signal lights, energy-saving communities and other fields. Due to the particularity of their application environment, there are also high requirements for the environmental applicability of cables. Ordinary control cables are prone to cable damage or even wire breakage during continuous twisting and bending, which affects the life of the cables.

[0004] Among them, the "a kind of tensile and bending-resistant cable for automobiles" disclosed by the application number "CN209297776U" is also an increasingly mature technology, which "includes a cable body, the cable body is composed of a central core wire, a first layer of stranded wire, a second layer of stranded wire, a lubricating layer, an insulating layer, a shielding layer, and a sheath layer; the first layer of stranded wire is spirally wound around the central core wire in a single layer, and the second layer of stranded wire is spirally wound around the first layer of stranded wire in a single layer. The tensile strength and bending resistance of the cable are increased by winding, and strong extrusion is applied to make the overall cable core cylindrical, which reduces the diameter of the cable to a certain extent. The outer layer of the second layer of stranded wire is wrapped with a lubricating layer, and during the stripping process, the insulating layer can be quickly separated from the cable core to avoid damaging the cable core. The outer layer of the lubricating layer is wrapped with an insulating layer, the outer layer of the insulating layer is wrapped with a shielding layer, and the outer layer of the shielding layer is wrapped with a sheath layer.

[0005] However, the above-mentioned tensile and bending-resistant cable design has the following disadvantages: the cable is composed of an insulation layer, a shielding layer, and a sheath layer structure. In harsh climatic environments, the cable's low-temperature and weather resistance are insufficient. At the same time, the cable has poor performance in torsion and bending resistance, which affects the normal use of the cable.

[0006] Therefore, it is necessary to provide a torsion-resistant and bending-resistant fan control cable to solve the above problems. Utility Model Content

[0007] In view of the deficiencies in the prior art, the present invention provides a torsion-resistant and bending-resistant fan control cable, which solves the problems raised in the background technology.

[0008] To achieve the above object, the utility model provides the following technical solutions: a torsion-resistant and bending-resistant fan control cable, comprising a first wear-resistant layer, a plurality of wear-resistant bars are arranged on the inner side of the first wear-resistant layer, and a wear-resistant and torsion-resistant mechanism is arranged on the inner side of the plurality of wear-resistant bars;

[0009] A bending-resistant mechanism is arranged inside the wear-resistant and torsion-resistant mechanism, and a weather-resistant mechanism is arranged inside the bending-resistant mechanism.

[0010] Preferably, the wear-resistant and anti-torsion mechanism includes a second wear-resistant layer arranged on the inner side of a plurality of wear-resistant strips, a plurality of anti-torsion sleeves arranged on the inner side of the second wear-resistant layer, two third wear-resistant layers arranged on the inner side of each of the anti-torsion sleeves, a plurality of anti-torsion wires wound around the inner side of the third wear-resistant layer, and a reinforcing wire inserted in the middle of the anti-torsion wire.

[0011] Preferably, the anti-bending mechanism comprises a first anti-bending layer which is bonded to the inner side of the anti-torsion sleeve, a second anti-bending layer is arranged on the inner side of the first anti-bending layer, and a sheath is arranged on the inner side of the second anti-bending layer.

[0012] Preferably, the weather-resistant mechanism includes a braided layer arranged on the inner side of the sheath, a drag layer arranged on the inner side of the braided layer, a braided shielding layer arranged on the inner side of the drag layer, a filling layer arranged on the inner side of the braided shielding layer, two insulating layers arranged inside the filling layer, and a conductor arranged inside each of the insulating layers.

[0013] Preferably, the braided shielding layer is made of a tinned copper wire braided mesh.

[0014] Preferably, the insulating layer is made of special high-strength TPE material.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a torsion-resistant and bending-resistant fan control cable:

[0017] 1) The anti-torsion sleeve is used to improve the torsion resistance of the fan control cable to prevent the fan control cable from breaking in strong wind weather. The coordination between several anti-torsion wires and reinforcement wires ensures the toughness and strength of the fan control cable to prevent it from breaking during pulling. The cable adopts multi-strand flexible tinned copper wire conductor, cotton thread filling in the structure, drag wrapping method, and PUR sheath material, which can effectively improve the tensile strength, super flexibility and weather resistance of the cable, thereby effectively improving the wear resistance, torsion resistance and bending resistance of the cable.

[0018] 2) Through the cooperation between the first bending-resistant layer and the second bending-resistant layer, the bending hardness of the fan control cable is improved to avoid the high bending strength of the fan control cable, which may cause the fan control cable to break. By using special low-viscosity, oil-resistant and wear-resistant PUR material as the sheath, PUR is a material that is wear-resistant, mechanical-resistant, and has stronger resistance to various organic solvents and low-temperature resistance. It can maintain its good toughness and elasticity at minus 35 degrees. The bending radius can reach 4 times or even lower. It is suitable for places with harsh environments to ensure that the fan control cable is not affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is one of the structural diagrams of the utility model;

[0021] Figure 3 It is a schematic diagram of the weather-resistant mechanism structure of the utility model.

[0022] In the figure: 1. first wear-resistant layer; 101. wear-resistant bars; 2. wear-resistant and torsion-resistant mechanism; 201. second wear-resistant layer; 202. torsion-resistant sleeve; 203. third wear-resistant layer; 204. torsion-resistant wire; 205. reinforcing wire; 3. bending-resistant mechanism; 301. first bending-resistant layer; 302. second bending-resistant layer; 303. sheath; 4. weather-resistant mechanism; 401. braided layer; 402. drag layer; 403. braided shielding layer; 404. filling layer; 405. insulating layer; 406. conductor. DETAILED DESCRIPTION

[0023] 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.

[0024] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0025] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] like Figure 1-Figure 3 As shown, the utility model provides a torsion-resistant and bending-resistant wind turbine control cable, comprising a first wear-resistant layer 1, a plurality of wear-resistant bars 101 are arranged on the inner side of the first wear-resistant layer 1, and a wear-resistant and torsion-resistant mechanism 2 is arranged on the inner side of the plurality of wear-resistant bars 101;

[0028] The inner side of the wear-resistant and torsion-resistant mechanism 2 is provided with a bending-resistant mechanism 3 , and the inner side of the bending-resistant mechanism 3 is provided with a weather-resistant mechanism 4 .

[0029] During specific use, the first wear-resistant layer 1 is provided to facilitate the protection of the fan control cable to avoid winding during winding or use. The plurality of wear-resistant strips 101 are provided to facilitate further protection of the internal lines of the fan control cable, thereby avoiding damage to the internal part of the fan control cable due to wear during long-term use of the fan control cable, thereby ensuring normal communication use of the fan control cable.

[0030] The wear-resistant and anti-torsion mechanism 2 includes a second wear-resistant layer 201 arranged on the inner side of a plurality of wear-resistant strips 101, a plurality of anti-torsion sleeves 202 arranged on the inner side of the second wear-resistant layer 201, two third wear-resistant layers 203 arranged on the inner side of each anti-torsion sleeve 202, a plurality of anti-torsion wires 204 wound around the inner side of the third wear-resistant layer 203, and a reinforcing wire 205 interspersed in the middle of the anti-torsion wire 204.

[0031] During specific use, the second wear-resistant layer 201 is provided to protect the wear-resistant and torsion-resistant mechanism 2 to avoid damage to the wear-resistant and torsion-resistant mechanism 2. The anti-torsion sleeve 202 is provided to improve the torsion resistance of the fan control cable to avoid the fan control cable from breaking in strong wind weather. The coordination between the plurality of anti-torsion wires 204 and the reinforcement wire 205 is provided to ensure the toughness and strength of the fan control cable to avoid breaking during pulling.

[0032] The bending-resistant mechanism 3 includes a first bending-resistant layer 301 which is bonded to the inner side of the anti-torsion sleeve 202 , a second bending-resistant layer 302 is disposed on the inner side of the first bending-resistant layer 301 , and a sheath 303 is disposed on the inner side of the second bending-resistant layer 302 .

[0033] During specific use, the first bending-resistant layer 301 and the second bending-resistant layer 302 are coordinated to improve the bending hardness of the fan control cable, thereby avoiding the high bending strength of the fan control cable and causing the fan control cable to break. A special low-viscosity, oil-resistant and wear-resistant PUR material is used as the sheath. PUR is a material that is wear-resistant, mechanically resistant, and more resistant to various organic solvents and low-temperature resistant. It can maintain its good toughness and elasticity at minus 35 degrees. The bending radius can reach 4 times or even lower. It is suitable for places with harsh environments to ensure that the fan control cable is not affected.

[0034] The weather-resistant mechanism 4 includes a braided layer 401 arranged on the inner side of the sheath 303, a drag layer 402 arranged on the inner side of the braided layer 401, a braided shielding layer 403 arranged on the inner side of the drag layer 402, a filling layer 404 arranged on the inner side of the braided shielding layer 403, two insulating layers 405 arranged inside the filling layer 404, and a conductor 406 arranged inside each insulating layer 405.

[0035] The braided shielding layer 403 is made of a tinned copper wire braided mesh.

[0036] The insulating layer 405 is made of special high-strength TPE material.

[0037] The insulation layer 405 is provided, and the insulation is extruded with a special high-strength TPE material. TPE is a material with excellent UV resistance, fatigue resistance, weather resistance, high elasticity, high ductility, high strength and temperature resistance within a temperature range of -50 to 120°C. After the TPE material is extruded, there should be no visible defects such as bubbles and sand holes on the cross section, the core surface should be smooth, without obvious twisted wire convex patterns, and there should be no sharp corners, particles, burnt or scratched marks to ensure the communication use of the cable. The braided shielding layer 403 is provided, After the wire body is cooled, the insulated wire cores are twisted together and filled with cotton ropes, which not only fills the gaps between the insulation, but also better increases the bending performance and tensile strength of the cable. The aluminum-plastic composite tape adopts the method of dragging layer 402, which not only plays the role of tightening and shielding, but also improves the softness of the cable. The dragging layer 402 overlaps 20% to 30% of the width of the tape. The dragging layer 402 should be flat and wrinkle-free, and it is not sticky to the cable outer sheath 303 and the insulating layer 405, which is convenient for cable material recycling and classification;

[0038] Through the braided shielding layer 403: a layer of tinned copper wire braided mesh is arranged between the cabled aluminum-plastic composite tape dragging layer 402 and the braided shielding layer 403 to increase the shielding effect and also have a grounding protection function;

[0039] The sheath 303 is made of special low-viscosity, oil-resistant and wear-resistant PUR material as the sheath layer. PUR is a material that is wear-resistant, mechanical-resistant, and has stronger resistance to various organic solvents and low-temperature resistance. It can maintain its good toughness and elasticity at minus 35 degrees. The bending radius can reach 4 times or even lower, and it is suitable for places with harsh environments. After extrusion, the surface of the sheath 303 should be smooth and flat, without sharp corners, pitting, burnt or scratched marks, and there should be no visible defects such as bubbles and sand holes on the cross section.

[0040] It can meet the user's requirements for cable wear resistance, torsion resistance, bending resistance and weather resistance. The design of cotton rope filling significantly enhances the tensile performance of the cable and improves the safety of cable use. The sheath layer is 402 aluminum-plastic composite tape plus tinned copper wire mesh weaving, which can effectively prevent the influence of external electromagnetic fields / interference signals, and also prevent the interference electromagnetic fields / signals in the line from spreading outward; the use of special low-viscosity, oil-resistant and wear-resistant PUR sheath layer improves the cable's torsion resistance, bending and weather resistance.

[0041] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes 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 one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0042] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A torsion-resistant and bending-resistant wind turbine control cable, comprising a first wear-resistant layer (1), It is characterized in that A plurality of wear-resistant bars (101) are arranged on the inner side of the first wear-resistant layer (1), and a wear-resistant and anti-torsion mechanism (2) is arranged on the inner side of the plurality of wear-resistant bars (101); A bending-resistant mechanism (3) is arranged on the inner side of the wear-resistant and torsion-resistant mechanism (2), and a weather-resistant mechanism (4) is arranged on the inner side of the bending-resistant mechanism (3).

2. A torsion-resistant and bending-resistant fan control cable according to claim 1, Features: The wear-resistant and torsion-resistant mechanism (2) comprises a second wear-resistant layer (201) arranged on the inner side of a plurality of wear-resistant strips (101), a plurality of anti-torsion sleeves (202) arranged on the inner side of the second wear-resistant layer (201), two third wear-resistant layers (203) arranged on the inner side of each of the anti-torsion sleeves (202), a plurality of anti-torsion threads (204) wound around the inner side of the third wear-resistant layer (203), and a reinforcing wire (205) inserted in the middle of the anti-torsion threads (204).

3. A torsion-resistant and bending-resistant fan control cable according to claim 1, Features: The bending-resistant mechanism (3) comprises a first bending-resistant layer (301) arranged in contact with the inner side of the anti-torsion sleeve (202), a second bending-resistant layer (302) is arranged on the inner side of the first bending-resistant layer (301), and a protective sleeve (303) is arranged on the inner side of the second bending-resistant layer (302).

4. The torsion-resistant and bending-resistant fan control cable according to claim 1, Features: The weather-resistant mechanism (4) comprises a braided layer (401) arranged on the inner side of the sheath (303), a drag layer (402) arranged on the inner side of the braided layer (401), a braided shielding layer (403) arranged on the inner side of the drag layer (402), a filling layer (404) arranged on the inner side of the braided shielding layer (403), two insulating layers (405) arranged inside the filling layer (404), and a conductor (406) arranged inside each of the insulating layers (405).

5. A torsion-resistant and bending-resistant fan control cable according to claim 4, Features: The braided shielding layer (403) is made of a tinned copper wire braided mesh.

6. A torsion-resistant and bending-resistant fan control cable according to claim 4, Features: The insulating layer (405) is made of special high-strength TPE material.

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