Multi-core shielding industrial cable

Abstract

The utility model provides a multi-core shielding industrial cable, which relates to the technical field of cables and comprises an outer sheath, and a first bending-resistant layer is arranged on the inner surface wall of the outer sheath. When the cable is used, under the interaction of a series of components, the outer sheath has the characteristics of low smoke, no halogen and flame retardance, toxic smoke and corrosive gas cannot be generated in the case of a fire disaster, the risk of casualties and equipment damage is reduced, the safety and reliability of the cable in the case of the fire disaster are ensured, and the service life of the cable is prolonged. The first bending-resistant layer has good flexibility and wear resistance and can improve the durability of the cable, the filling has good insulation performance and mechanical strength and is suitable for various power cables and communication cables, and the second bending-resistant layer can improve the flexibility of the cable, so that the cable is easier to bend and arrange, an overlarge bending radius is not generated, and the service life of the cable is prolonged. And the risk that the cable is worn and damaged in the use process is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a multi -core shielded industrial cable. BACKGROUND

[0002] Cable is usually composed of several or several groups of wires, and the cable has power cable, control cable, compensation cable, shielded cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable and aluminum alloy cable, etc., which are all composed of single or multi-strand wires and insulation layer, and are used to connect circuit and electric appliance.

[0003] In the prior art, when the cable is transported or connected and fixed, the cable needs to be moved or stretched constantly, but most of the cables will be severely deformed in the frequent stretching process, which will cause the internal transmission wires to break, thus seriously affecting the normal use of the cable, shortening its service life, and increasing the installation and connection cost of the cable. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the cable is damaged when being moved or stretched due to poor bending resistance of the cable during use of the above-mentioned device, and provides a multi-core shielded industrial cable.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-core shielded industrial cable, comprising an outer sheath, the inner surface wall of the outer sheath is provided with a first bending resistance layer, the inner surface wall of the first bending resistance layer is provided with a shielding layer, the inner surface wall of the shielding layer is provided with an aluminum foil, the inner surface wall of the aluminum foil is provided with a plurality of insulations, the inner surface wall of each of the plurality of insulations is provided with a first conductor, the outer surface wall between the plurality of insulations is provided with a second bending resistance layer, the outer surface wall between the aluminum foil, the insulation and the second bending resistance layer is provided with a filler, the inner surface wall of the second bending resistance layer is provided with an inner sheath, and the inner surface wall of the inner sheath is provided with four second conductors.

[0006] Preferably, the outer sheath is woven by polytrifluorochloroethylene fiber, and the thickness of the outer sheath is about 12-30mm, the first bending resistance layer is made of polyester film, and the thickness of the first bending resistance layer is about 6-18mm.

[0007] Preferably, the shielding layer is made of copper foil, and the thickness of the shielding layer is about 3-12mm, the aluminum foil is made of aluminum alloy foil, and the thickness of the aluminum foil is 15-200μm.

[0008] Preferably, the insulation is made of ethylene propylene rubber, and the thickness of the insulation is about 12-30 mu m, the first conductor is made of copper wire winding weaving, and the diameter of the first conductor is about 2-10 mm.

[0009] Preferably, the filling is made of polyvinyl chloride particles, and the thickness of the filling is about 12-32 mm.

[0010] Preferably, the second bending-resistant layer is made of polyethylene film, and the thickness of the second bending-resistant layer is about 6-18 mm, the inner sheath is woven by cross-linked polyethylene fibers, and the thickness of the inner sheath is about 12-32 mm.

[0011] Preferably, the second conductor is made of aluminum wire winding weaving, and the diameter of the second conductor is about 2-10 mm.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1, the utility model discloses in use, through the interaction under a series of components, the outer sheath has low smoke, halogen -free and flame -retardant characteristics, under the condition of fire, will not produce toxic smoke and corrosive gas, reduces the risk of personnel casualty and equipment damage, ensures the safety and reliability of cable under the condition of fire, the first bending-resistant layer has good flexibility and wear resistance, can increase the durability of cable, filling has good insulating property and mechanical strength, is suitable for various power cable and communication cable, the second bending-resistant layer can increase the flexibility of cable, make it more easily bend and arrange, will not produce too big bending radius, reduce the risk that cable is worn and damaged in the use process, the inner sheath can provide the effective mechanical protection of conductor and insulation layer, prevent cable from being damaged by external force in the installation, transportation and use process, for example extrusion, stretch, bend etc.

[0014] 2, the utility model discloses in use, through the interaction under a series of components, the shielding layer has good conductivity and shielding performance, can effectively reduce the influence that cable is subjected to external electromagnetic interference, the aluminum foil has higher strength and corrosion resistance, also has good conductivity and thermal conductivity simultaneously, can improve the service life of cable, insulation can effectively isolate the current between conductor and external environment, avoids the current flowing into ground or other conductors directly through insulation layer in the process of power transmission, prevents short circuit phenomenon, ensures the safe and reliable of electric energy transmission, the first conductor and the second conductor are the part responsible for transmitting current in cable, and power flows through the conductor from the power supply end to the load end, completes the transmission and supply of electric energy. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The utility model provides a kind of main view structure perspective drawing in multi-core shielding industrial cable;

[0016] Figure 2 The utility model provides a kind of main view structure plan in multi-core shielding industrial cable;

[0017] Figure 3 The utility model provides a kind of main view structure cross section perspective drawing in multi-core shielding industrial cable;

[0018] Figure 4 The utility model provides a kind of main view structure cross section plan in multi-core shielding industrial cable.

[0019] Legend:

[0020] 1, outer sheath;2, first bending-resistant layer;3, shielding layer;4, aluminum foil;5, insulation;6, first conductor;7, filling;8, second bending-resistant layer;9, inner sheath;10, second conductor. Specific embodiments

[0021] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples. It should be noted that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model can also be implemented in other ways different from those described herein, therefore, the present utility model is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1, as Figures 1-4As shown, the utility model provides a kind of multi-core shielded industrial cable, including outer sheath 1, the inner surface wall of outer sheath 1 is provided with first bending-resistant layer 2, the inner surface wall of first bending-resistant layer 2 is provided with shielding layer 3, the inner surface wall of shielding layer 3 is provided with aluminium foil 4, the inner surface wall of aluminium foil 4 is provided with multiple insulation 5, the inner surface wall of multiple insulation 5 is provided with first conductor 6, the outer surface wall between multiple insulation 5 is provided with second bending-resistant layer 8, the outer surface wall between aluminium foil 4, insulation 5 and second bending-resistant layer 8 is provided with filling 7, the inner surface wall of second bending-resistant layer 8 is provided with inner sheath 9, the inner surface wall of inner sheath 9 is provided with four second conductors 10, outer sheath 1 is woven by polytrifluoroethylene fibre, and the thickness of outer sheath 1 is between 12-30mm, first bending-resistant layer 2 is made of polyester film, and the thickness of first bending-resistant layer 2 is between 6-18mm, filling 7 is made of polyvinyl chloride particles, and the thickness of filling 7 is between 12-32mm, second bending-resistant layer 8 is made of polyethylene film, and the thickness of second bending-resistant layer 8 is between 6-18mm, inner sheath 9 is woven by crosslinked polyethylene fibre, and the thickness of inner sheath 9 is between 12-32mm.

[0024] The effect achieved by the entire embodiment 1 is that outer sheath 1 has the characteristics of low smoke, halogen-free and flame retardant, and in the case of fire, it will not produce toxic smoke and corrosive gas, reducing the risk of personnel casualties and equipment damage, ensuring the safety and reliability of the cable in the case of fire, first bending-resistant layer 2 has good flexibility and wear resistance, which can increase the durability of the cable, filling 7 has good insulation performance and mechanical strength, and is suitable for various power cables and communication cables, second bending-resistant layer 8 can increase the flexibility of the cable, making it easier to bend and arrange, without producing excessive bending radius, reducing the risk of wear and damage to the cable during use, and inner sheath 9 can provide effective mechanical protection for the conductor and insulation layer, preventing the cable from being damaged by external forces such as extrusion, stretching, bending, etc. during installation, transportation and use.

[0025] As shown in embodiment 2, Figures 2-4 Shielding layer 3 is made of copper foil, and the thickness of shielding layer 3 is between 3-12mm, aluminium foil 4 is made of aluminium alloy foil, and the thickness of aluminium foil 4 is between 15-200μm, insulation 5 is made of ethylene propylene rubber, and the thickness of insulation 5 is between 12-30μm, first conductor 6 is made of copper wire winding, and the diameter of first conductor 6 is between 2-10mm, and second conductor 10 is made of aluminium wire winding, and the diameter of second conductor 10 is between 2-10mm.

[0026] The effect achieved by the entire embodiment 2 is that the shielding layer 3 has good electrical conductivity and shielding performance, which can effectively reduce the influence of external electromagnetic interference on the cable, the aluminum foil 4 has high strength and corrosion resistance, and also has good electrical conductivity and thermal conductivity, which can improve the service life of the cable, the insulation 5 can effectively isolate the current between the conductor and the external environment, avoid the current flowing into the ground or other conductors through the insulation layer during power transmission, prevent short circuit phenomenon, and ensure the safety and reliability of power transmission, the first conductor 6 and the second conductor 10 are parts of the cable responsible for transmitting current, and power flows from the power supply end to the load end through the conductor to complete the transmission and supply of electric energy.

[0027] Working principle: The bend-resistant cable from the outer layer to the inner layer is outer sheath 1-first bend-resistant layer 2-shielding layer 3-aluminum foil 4-insulation 5-first conductor 6-filling 7-second bend-resistant layer 8-inner sheath 9-second conductor 10, the outer sheath 1 is woven from polyvinyl fluoride fiber, has low smoke, halogen-free and flame-retardant characteristics, and will not produce toxic smoke and corrosive gas in the case of fire, reducing the risk of personnel injury and equipment damage, ensuring the safety and reliability of the cable in the case of fire, the first bend-resistant layer 2 is made of polyester film, has good flexibility and wear resistance, and can increase the durability of the cable, the shielding layer 3 is made of copper foil, has good electrical conductivity and shielding performance, which can effectively reduce the influence of external electromagnetic interference on the cable, the aluminum foil 4 is made of aluminum alloy foil, has high strength and corrosion resistance, and also has good electrical conductivity and thermal conductivity, which can improve the service life of the cable, the insulation 5 is made of ethylene propylene rubber, which can effectively isolate the current between the conductor and the external environment, avoid the current flowing into the ground or other conductors through the insulation layer during power transmission, prevent short circuit phenomenon, and ensure the safety and reliability of power transmission, the first conductor 6 is made of copper wire winding and weaving, and the second conductor 10 is made of aluminum wire winding and weaving, which is responsible for transmitting current in the cable, power flows from the power supply end to the load end through the conductor to complete the transmission and supply of electric energy, the filling 7 is made of polyvinyl chloride particles, has good insulation performance and mechanical strength, and is suitable for various power cables and communication cables, the second bend-resistant layer 8 is made of polyethylene film, which can increase the flexibility of the cable, making it easier to bend and arrange, without producing too large bending radius, reducing the risk of wear and damage of the cable during use, the inner sheath 9 is woven from cross-linked polyethylene fiber, which can provide effective mechanical protection for the conductor and insulation layer, preventing the cable from being damaged by external forces during installation, transportation and use.

[0028] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A multi-core shielded industrial cable, characterized in that: The device includes an outer sheath (1), the inner wall of which is provided with a first bending-resistant layer (2), the inner wall of which is provided with a shielding layer (3), the inner wall of which is provided with an aluminum foil (4), the inner wall of which is provided with a plurality of insulators (5), the inner wall of which is provided with a first conductor (6), the outer walls of which are provided with a second bending-resistant layer (8), the outer walls of which are provided with a filler (7), the inner wall of which is provided with an inner sheath (9), and the inner wall of which is provided with four second conductors (10).

2. The multi-core shielded industrial cable according to claim 1, characterized in that: The outer sheath (1) is woven from polyvinyl chloride (PVC) fiber and the thickness of the outer sheath (1) is approximately between 12 and 30 mm. The first bending layer (2) is made of polyester film and the thickness of the first bending layer (2) is approximately between 6 and 18 mm.

3. A multi-core shielded industrial cable according to claim 2, characterized in that: The shielding layer (3) is made of copper foil and the thickness of the shielding layer (3) is approximately between 3 and 12 mm. The aluminum foil (4) is made of aluminum alloy foil and the thickness of the aluminum foil (4) is between 15 and 200 μm.

4. A multi-core shielded industrial cable according to claim 3, characterized in that: The insulation (5) is made of ethylene propylene rubber and the thickness of the insulation (5) is approximately between 12 and 30 μm. The first conductor (6) is made of copper wire wound and woven and the diameter of the first conductor (6) is approximately between 2 and 10 mm.

5. A multi-core shielded industrial cable according to claim 4, characterized in that: The filler (7) is made of polyvinyl chloride particles and the thickness of the filler (7) is approximately between 12 and 32 mm.

6. A multi-core shielded industrial cable according to claim 5, characterized in that: The second bending layer (8) is made of polyethylene film and the thickness of the second bending layer (8) is approximately between 6 and 18 mm. The inner sheath (9) is woven from cross-linked polyethylene fibers and the thickness of the inner sheath (9) is approximately between 12 and 32 mm.

7. A multi-core shielded industrial cable according to claim 6, characterized in that: The second conductor (10) is made of aluminum wire wound and woven, and the diameter of the second conductor (10) is approximately between 2 and 10 mm.

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