CN208433230U - A kind of insulated wire cable with protective case - Google Patents

Abstract

The utility model discloses a kind of insulated wire cables with protective case, it include: conducting wire, it is characterized by: being equipped with four conducting wires among the cable, the wire center is equipped with copper wire, the first insulating layer is equipped on the outside of the copper wire, second insulating layer is equipped on the outside of first insulating layer, first screen layer is equipped on the outside of second insulating layer, flame-retardant layer is equipped on the outside of first screen layer, type insulating wrapping strip is equipped on the outside of the conducting wire, secondary shielding layer is equipped on the outside of the type insulating wrapping strip, the first protective case is equipped on the outside of the secondary shielding layer, armor is equipped on the outside of first protective case, the second protective case is equipped on the outside of the armor, erosion resistant coating is equipped on the outside of second protective case.The utility model shielding properties, interference free performance, good insulation preformance, cable protection effect is good, while having good mechanical tension, resistance to compression, shock resistance, to extend the service life of cable.

Description

A kind of insulated wire cable with protective case

Technical field

The utility model relates to technical field of electric wires and cables more particularly to a kind of insulated wire cables with protective case.

Background technique

With the development of the social economy, wire and cable dosage increases rapidly, the quality requirement of cable is also constantly improved. Cable is controlled, is mainly used for transmitting control, measuring signal etc., is suitable for control, monitoring loop, electric meter connection and automation The signal of system transmits, and is widely used in the industries such as power generation, petroleum, chemical industry, metallurgy, steel, sewage treatment.

With the development of power industry, automated control technology and Intelligentized mechanical, equipment for signal real-time and Accuracy has high requirements, and in order to improve equipment performance, needs the interference to external electrical field, magnetic field to shield, therefore right More stringent requirements are proposed for the shield effectiveness of control cable, and existing control cable is usually used one layer of copper wire woven layer work and shields Layer is covered, anti-interference ability and shield effectiveness have obviously been not suitable with the new demand of technology development.In addition, control cable is usually applied In the working environment of some very severes, usually need to bear certain mechanical external force in work, have certain preventing water leakage, Anticorrosion ability, therefore cable is controlled other than needing to meet and there is outstanding shield effectiveness, it is necessary to there is good machinery Performance, anti-corrosion and waterproof, flame retarding function.

Utility model content

The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality It is to propose a kind of insulated wire cable with protective case, shielding properties, interference free performance, insulation with a novel purpose Performance is good, and cable protection effect is good, while having good mechanical tensile property, to extend the service life of cable.

According to a kind of insulated wire cable with protective case of the utility model embodiment, comprising: conducting wire, the cable Centre is equipped with four conducting wires, and the wire center is equipped with copper wire, and the first insulating layer, first insulation are equipped on the outside of the copper wire Layer outside is equipped with second insulating layer, and first screen layer is equipped on the outside of second insulating layer, is equipped with flame-retardant layer, institute on the outside of first screen layer It states and is equipped with type insulating wrapping strip on the outside of conducting wire, secondary shielding layer is equipped on the outside of the type insulating wrapping strip, is equipped on the outside of the secondary shielding layer First protective case is equipped with armor on the outside of first protective case, is equipped with the second protective case on the outside of the armor, and described second Erosion resistant coating is equipped on the outside of protective case.

Enhancing cable tensile strength is equipped in some embodiments of the utility model, between the conducting wire and type insulating wrapping strip Wirerope, the type insulating wrapping strip inside conductor and wirerope gap are equipped with filler.

In some embodiments of the utility model, the first screen layer is made of metal aluminum foil, second screen Cover layer internal layer made of the outer layer of polyester multifilament weaving composition and tinned copper wire braiding.

In some embodiments of the utility model, the erosion resistant coating is made of polyvinyl fluoride, and the flame-retardant layer uses Ceramic silicon rubber is made.

In some embodiments of the utility model, first insulating layer uses polyester PET film, the second insulating layer It is made of polyethylene.

In other embodiments of the utility model, first protective case is made of PVC, second protective case It is made of EVA resin.

The utility model has the beneficial effects that the utility model is being arranged the first insulating layer made of polyester PET film, gathering Second insulating layer and type insulating wrapping strip made of ethylene enhance cable insulating effect, being arranged first made of PVC Protective case, using the second protective case and armor made of EVA, play the role of multilayer proofing to cable, pass through setting use First screen layer made of metal aluminum foil and the secondary shielding layer made of tinned copper wire braiding, reduce the letter between conducting wire Number interference and cable outside cable is enable by the way that the erosion resistant coating on the outside of the second protective case is arranged in the signal interference of each conducting wire It uses in harsh environment, by setting wirerope and armor, enhances the tensile strength, compression strength, shock resistance of cable The performances such as intensity use flame-retardant layer made of Ceramic silicon rubber being arranged, and cable is made to have certain flameproof effect, therefore, Cable shielding performance, interference free performance, the good insulation preformance, cable protection effect is good, while having good mechanical tension, resisting Pressure, shock resistance, to extend the service life of cable.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 be the utility model proposes a kind of insulated wire cable with protective case section structure diagram.

In figure: 1- conducting wire, 11- copper wire, the first insulating layer of 12-, 13- second insulating layer, 14- first screen layer, 15- are fire-retardant Layer, 2- filler, 3- wirerope, 4- type insulating wrapping strip, 5- secondary shielding layer, the first protective case of 6-, 7- armor, 8- second are protected Set, 9- erosion resistant coating.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport It is being used to explain the utility model, and should not be understood as limiting the present invention.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

Referring to Fig.1, a kind of insulated wire cable with protective case, comprising: conducting wire 1, cable centre are equipped with four conducting wires 1,1 center of conducting wire is equipped with copper wire 11, and the first insulating layer 12 is equipped on the outside of copper wire 11, the second insulation is equipped on the outside of the first insulating layer 12 Layer 13 is equipped with first screen layer 14 on the outside of second insulating layer 13, and flame-retardant layer 15,1 outside of conducting wire are equipped on the outside of first screen layer 14 Equipped with type insulating wrapping strip 4, it is equipped with secondary shielding layer 5 on the outside of type insulating wrapping strip 4, the first protective case 6 is equipped on the outside of secondary shielding layer 5, the It is equipped with armor 7 on the outside of one protective case 6, the second protective case 8 is equipped on the outside of armor 7, is equipped with erosion resistant coating on the outside of the second protective case 8 9。

Be equipped with the wirerope 3 of enhancing cable tensile strength between conducting wire 1 and type insulating wrapping strip 4,4 inside conductor 1 of type insulating wrapping strip with 3 gap of wirerope is equipped with filler 2.

First screen layer 14 is made of metal aluminum foil, secondary shielding layer 5 using polyester multifilament weaving composition outer layer and Internal layer made of tinned copper wire braiding.

Erosion resistant coating 9 is made of polyvinyl fluoride, and flame-retardant layer 15 is made of Ceramic silicon rubber.

First insulating layer 12 uses polyester PET film, and second insulating layer 13 is made of polyethylene.

First protective case 6 is made of PVC, and the second protective case 6 is made of EVA resin.

The utility model second insulation made of setting first insulating layer 12 made of polyester PET film, polyethylene Layer 13 and type insulating wrapping strip 4, enhance cable insulating effect, setting first protective case 6 made of PVC, using EVA Manufactured second protective case 8 and armor 7, play the role of multilayer proofing to cable, are made by being arranged of metal aluminum foil First screen layer 14 and the secondary shielding layer 5 made of tinned copper wire braiding, reduce signal interference between conducting wire 1 and Enable cable severe by the way that the erosion resistant coating 9 in 8 outside of the second protective case is arranged in the signal interference of each conducting wire outside cable It is used in environment, by setting wirerope 3 and armor 7, enhances the tensile strength, compression strength, impact strength of cable Etc. performances setting using flame-retardant layer 15 made of Ceramic silicon rubber, make cable that there is certain flameproof effect, therefore, should Cable shielding performance, interference free performance, good insulation preformance, cable protection effect is good, at the same have good mechanical tension, resistance to compression, Shock resistance, to extend the service life of cable.

Embodiment: strand copper wire is stirred into one as copper wire 11, then in 11 outside of copper wire using stranding machine first The first insulating layer 12 is wound, then second insulating layer 13 is wrapped up on the outside of the copper wire 11 for winding the first insulating layer 12 by extruder, It winds one layer of shielding aluminium foil on the outside again, then wraps up one layer of Ceramic silicon rubber flame-retardant layer 15, after wrapped in wire is good, select four Root wraps up intact conducting wire and is wrapped up with type insulating wrapping strip 4, and in centre addition wirerope 3 and filler 2, then successively pacifies on the outside Secondary shielding layer 5, the first protective case 6, armor 7, the second protective case 8 are filled, finally in 8 outer application preserving timber of the second protective case Material.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of insulated wire cable with protective case, comprising: conducting wire, it is characterised in that: be equipped with four among the cable Conducting wire, the wire center are equipped with copper wire, and the first insulating layer is equipped on the outside of the copper wire, and the is equipped on the outside of first insulating layer Two insulating layers, second insulating layer outside are equipped with first screen layer, flame-retardant layer are equipped on the outside of first screen layer, is set on the outside of the conducting wire There is type insulating wrapping strip, secondary shielding layer is equipped on the outside of the type insulating wrapping strip, is equipped with the first protective case, institute on the outside of the secondary shielding layer It states and is equipped with armor on the outside of the first protection, the second protective case is equipped on the outside of the armor, is equipped on the outside of second protective case Erosion resistant coating is equipped with the wirerope of enhancing cable tensile strength, the type insulating wrapping strip inside conductor between the conducting wire and type insulating wrapping strip Filler is equipped with wirerope gap.

2. a kind of insulated wire cable with protective case according to claim 1, it is characterised in that: first shielding Layer is made of metal aluminum foil, and the secondary shielding layer is woven using the outer layer and tinned copper wire of polyester multifilament weaving composition Internal layer.

3. a kind of insulated wire cable with protective case according to claim 1, it is characterised in that: the erosion resistant coating is adopted It is made of polyvinyl fluoride, the flame-retardant layer is made of Ceramic silicon rubber.

4. a kind of insulated wire cable with protective case according to claim 1, it is characterised in that: first insulation Layer uses polyester PET film, and the second insulating layer is made of polyethylene.

5. a kind of insulated wire cable with protective case according to claim 1, it is characterised in that: first protection Set is made of PVC, and second protective case is made of EVA resin.