CN212624852U - Multi-core color separation electric wire - Google Patents

Abstract

The application relates to a multi-core color separation wire, which relates to the field of wires and cables and comprises an outer sheath and a plurality of inner core structures, wherein the outer sheath is coated on the outer sides of the inner core structures; the inner core structure comprises a conductor, an inner separation layer, a transparent plastic layer and a plurality of colored polyester yarns, wherein the inner separation layer is coated on the outer side of the conductor, the transparent plastic layer is coated on the outer side of the inner separation layer, and the polyester yarns are arranged between the transparent plastic layer and the inner separation layer. The color separation device has the advantages of good color separation effect and low cost.

Description

Multi-core color separation electric wire

Technical Field

The application relates to the field of electric wires and cables, in particular to a multi-core color separation electric wire.

Background

In the wire and cable industry, because of the identification requirement, all core wires of the cable are often made into different colors (color split), and the existing color-separated core wires with different colors are basically obtained by adding different pigments into the insulation materials extruded by all the core wires to obtain the core wires with insulation layers with different colors.

A chinese patent with application number CN201922055275.6 discloses an insulation color separation structure of a wire and cable, which includes a conductor, a color layer and an insulation layer, wherein the color layer is coated outside the conductor, the color layer is a colored body, the insulation layer is coated outside the color layer, and the insulation layer is a transparent body.

With respect to the related art among the above, the applicant believes that the following disadvantages exist: the color cortex is direct and conductor contact, and the conductor can produce higher heat when electrically conducting, and the color cortex can accelerate the ageing speed of color cortex when contacting with the conductor that generates heat for a long time, leads to the color cortex to fade, and the color separation effect descends, is obvious inadequately, and the coloured material who uses when the color cortex is colored moreover is many, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

In order to prevent the color separation effect from being reduced, the application provides a multi-core color separation electric wire.

The application provides a multicore colour separation electric wire adopts following technical scheme:

a multi-core color separation electric wire comprises an outer sheath and a plurality of inner core structures, wherein the outer sheath is coated on the outer sides of the inner core structures;

the inner core structure comprises a conductor, an inner separation layer, a transparent plastic layer and a plurality of colored polyester yarns, wherein the inner separation layer is coated on the outer side of the conductor, the transparent plastic layer is coated on the outer side of the inner separation layer, and the polyester yarns are arranged between the transparent plastic layer and the inner separation layer.

By adopting the technical scheme, the inner interlayer is coated on the peripheral side of the conductor, a plurality of colored polyester yarns are coated between the transparent plastic layer and the inner interlayer while the transparent plastic layer is coated, and finally the outer sheath is used for coating a plurality of inner core structures together, each inner core structure has a plurality of polyester yarns for color separation, and the polyester yarns are not directly contacted with the conductor, so that the problem of fading of the polyester yarns can be effectively prevented, the colored polyester yarns are cheap, and the production cost is low; meanwhile, the color difference between the transparent plastic layer and the colored polyester yarns is large, so that the colored polyester yarns are more obvious, and the color separation effect is better.

Preferably, 3-5 polyester threads are arranged.

By adopting the technical scheme, if the number of the polyester yarns is less than 3, the color separation effect of the inner core structure is poor, and the use of the multi-core cable is inconvenient; if the number of the polyester yarns is more than 5, the material consumption of the polyester yarns is large, the production cost is high, and 3-5 polyester yarns are optimally arranged.

Preferably, the plurality of polyester yarns are distributed at intervals along the circumferential direction of the inner separation layer.

Through adopting above-mentioned technical scheme, many dacron lines distribute even back, and are more obvious moreover, and the colour separation effect is better.

Preferably, the diameter of each polyester yarn is between 0.1 and 0.3 mm.

By adopting the technical scheme, if the diameter of the polyester thread is less than 0.1 mm, the visibility of the polyester thread clamped between the transparent plastic layer and the inner interlayer is low, so that a good color separation effect cannot be achieved, and if the diameter of the polyester thread is more than 0.3 mm, the polyester thread has more material and high production cost.

Preferably, the inner barrier layer is a flame retardant PE material.

By adopting the technical scheme, the inner separation layer of the PE material has a good insulation state and certain fireproof and flame-retardant properties.

Preferably, the transparent plastic layer is a flame-retardant PVC material.

By adopting the technical scheme, the synthetic plastic polymer in the PVC material has better protection effect on the conductor and the inner separation layer, and has certain fireproof and flame-retardant properties.

Preferably, a flame retardant is filled between the outer sheath and the inner core structures.

By adopting the technical scheme, after the flame retardant is filled between the outer sheath and the inner core structures, the outer peripheral side of the whole wire is round and full, and the flame retardant has a good flame retardant effect on the multi-core color separation wire when a fire disaster occurs.

Preferably, the outer sheath is a low smoke zero halogen outer sheath.

Through adopting above-mentioned technical scheme, the oversheath can not produce poisonous black cigarette when the burning, and the oversheath has good compliance moreover, makes the tensile resistance of this multicore colour separation electric wire better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the colored polyester threads are arranged between the inner separation layer and the transparent plastic layer, so that a good color separation effect is achieved, the colored polyester threads are low in price, and the production cost is low;

2. 3-5 terylene threads are arranged at intervals along the peripheral side of the inner partition layer, so that the distribution is uniform and the color separation effect is better;

3. the flame retardant is filled between the outer sheath and the inner core structures, so that the peripheral side of the multi-core color separation cable is more round and full, and the flame retardant and fireproof performance is better.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic structural view of the core structure in the embodiment of the present application.

Reference numerals: 1. an outer sheath; 2. an inner core structure; 21. a conductor; 22. an inner partition layer; 23. a transparent plastic layer; 24. polyester yarn; 3. and (3) a flame retardant.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses multicore colour separation electric wire. Refer to fig. 1. The multi-core color separation wire comprises an outer sheath 1 and seven inner core structures 2, wherein one inner core structure 2 is in the center, and the other six inner core structures 2 are twisted on the outer side of the centermost inner core structure 2 along the circumferential direction (in other embodiments, the number of the inner core structures 2 can be increased or decreased adaptively, such as 3, 4, 5, 6 or more).

Oversheath 1 cladding is in the outside of seven inner core structures 2, and oversheath 1 specifically is low smoke and zero halogen oversheath 1, can not produce poisonous black cigarette during the burning.

The flame retardant 3 is filled between the seven inner core structures 2 and the outer sheath 1, the flame retardant 3 is made of various polyolefins as main materials, and certain plasticizer and flame retardant are added for foaming and plasticizing, so that the shape of the wire is more round and complete.

Referring to fig. 1 and 2, the inner core structure 2 includes a conductor 21, an inner separation layer 22, a transparent plastic layer 23 and a plurality of colored polyester yarns 24, wherein current is transmitted through the conductor 21, the conductor 21 is specifically a copper core wire, the diameter of the conductor is between 5 and 8 millimeters, the inner separation layer 22 is coated on the outer side of the conductor 21, the inner separation layer 22 is specifically a flame-retardant PE material, and the thickness of the inner separation layer 22 is between 0.6 and 1 millimeter, so that the inner core structure has a good insulation state and a good protection effect on the conductor 21.

The transparent plastic layer 23 is coated on the outer side of the inner separation layer 22, the transparent plastic layer 23 is specifically made of flame-retardant PVC materials, the PVC materials are synthetic plastic polymers, the thickness of the transparent plastic layer 23 is 0.6-1 mm, the conductor 21 and the inner separation layer 22 are well protected, stronger color difference is achieved between the transparent plastic layer and the colored polyester yarn 24, and the polyester yarn 24 is more obvious.

The three polyester yarns 24 are sandwiched between the transparent plastic layer 23 and the inner partition layer 22 (in other embodiments, the number of the polyester yarns 24 may also be 4 or 5), the three polyester yarns 24 are uniformly distributed at intervals along the outer peripheral side of the inner partition layer 22, the diameter of each polyester yarn 24 is 0.3 mm (in other embodiments, the diameter of the polyester yarn 24 may also be 0.1 mm or 0.2 mm), and the colors of the polyester yarns in the inner core structure 2 are designed to be different colors.

The implementation principle of a multicore colour separation electric wire of this application embodiment does: the inner interlayer 22 is firstly coated on the peripheral side of the conductor 21, three colored polyester wires 24 are coated between the transparent plastic layer 23 and the inner interlayer 22 while the transparent plastic layer 23 is coated, the seven inner core structures 2 are twisted together and are coated by the outer sheath 1, and when the outer sheath 1 is coated, the flame retardant 3 is filled between the outer sheath 1 and the seven inner core structures 2, so that the appearance of the electric wire is more round, each inner core structure 2 is provided with the three polyester wires 24 for color separation, and the polyester wires 24 are not directly contacted with the conductor 21, so that the problem of fading of the polyester wires 24 can be effectively prevented, and the colored polyester wires 24 are cheap and have low production cost; meanwhile, the color difference between the transparent plastic layer 23 and the colored polyester yarn 24 is large, so that the colored polyester yarn 24 is more obvious, and the color separation effect is better.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A multi-core color separation wire is characterized in that: the cable comprises an outer sheath (1) and a plurality of inner core structures (2), wherein the outer sheath (1) is coated on the outer sides of the inner core structures (2);

inner core structure (2) include conductor (21), interior interlayer (22), transparent plastic layer (23) and many dacron lines (24) that have the colour, interior interlayer (22) cladding in the outside of conductor (21), transparent plastic layer (23) cladding in the outside of interior interlayer (22), many dacron lines (24) set up in transparent plastic layer (23) with between interior interlayer (22).

2. The multi-core color separation wire of claim 1, wherein: 3-5 polyester threads (24) are arranged.

3. The multi-core color separation wire of claim 1, wherein: and a plurality of polyester yarns (24) are distributed at intervals along the circumferential direction of the inner partition layer (22).

4. The multi-core color separation wire of claim 1, wherein: the diameter of each polyester yarn (24) is between 0.1 and 0.3 mm.

5. The multi-core color separation wire of claim 1, wherein: the inner separation layer (22) is specifically a flame-retardant PE material.

6. The multi-core color separation wire of claim 1, wherein: the transparent plastic layer (23) is specifically a flame-retardant PVC material.

7. The multi-core color separation wire of claim 1, wherein: and a flame retardant (3) is filled between the outer sheath (1) and the inner core structures (2).

8. The multi-core color separation wire of claim 1, wherein: the outer sheath (1) is specifically a low-smoke halogen-free outer sheath (1).

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