CN210956206U - Long-life moves accuse composite cable - Google Patents

Abstract

The power cable core comprises three power cable cores, wherein the three power cable cores are tightly attached, and filling layers are arranged on the outer sides of all the power cable cores; a shielding layer; an inner liner layer; and the control wire core comprises a second conductor and a third insulating layer outer protective layer which are sequentially arranged from inside to outside. The utility model has the advantages that: 1. the power electric energy and the control signal can be transmitted simultaneously, the mutual interference between the power electric energy and the control signal can be realized, and the electric energy and the information transmission are reliable and accurate; 2. the electromagnetic induction resistance and power line conducted interference resistance are good, the electromagnetic radiation of the whole transmission system can be reduced, and the safe operation of cables and other equipment is facilitated; 3. the design is reasonable, the structure is compact, and the laying is light; 4. the service life is long.

Description

Long-life moves accuse composite cable

Technical Field

The utility model relates to a transmission equipment technical field, more specifically say, in particular to long-life moves accuse composite cable.

Background

The power control integrated cable is a comprehensive cable integrating a power cable and a control cable, and has wide application.

The traditional power control comprehensive cable is not specially used for long-life treatment, and due to the influences of various aspects such as working temperature and the like, the service life under normal conditions is only about 20 years, and when the working environment is severe, the service life is lower. The laying of the cable is time-consuming and labor-consuming, and if the service life is short, the cable needs to be laid again, so that a cable with longer service life, particularly a power control comprehensive cable, is necessary.

SUMMERY OF THE UTILITY MODEL

Problem (A)

In summary, how to provide a power control integrated cable with long service life is a problem to be solved urgently by those skilled in the art.

(II) technical scheme

The utility model provides a long-life moves accuse composite cable, include:

the power cable comprises three power cable cores, wherein each power cable core comprises a first conductor, a first insulating layer and a second insulating layer which are sequentially arranged from inside to outside, the first conductor is a tinned annealed copper conductor, the first insulating layer and the second insulating layer are formed by double-layer co-extrusion of an irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin material, the number of the power cable cores is three, the three power cable cores are closely attached, and a filling layer is arranged on the outer side of all the power cable cores and a cable main body with a circular cross section is formed;

the shielding layer is arranged on the outer side of the cable main body;

the lining layer is arranged on the outer side of the shielding layer;

the control wire core is arranged on the outer side of the inner liner and comprises a second conductor and a third insulating layer which are sequentially arranged from inside to outside, the second conductor is a tinned annealed copper conductor, the third insulating layer is extruded by an irradiation cross-linking halogen-free low-smoke flame-retardant polyolefin material in a single layer, the control wire cores are arranged in plurality, and all the control wire cores are arranged on the outer side surface of the inner liner at equal intervals;

and the outer protective layer is arranged on the outer side of the control wire core.

Preferably, the shielding layer is a layer structure woven by tinned soft copper wires.

Preferably, the inner liner layer is a layer structure formed by extruding and wrapping temperature-resistant silicon rubber.

Preferably, the filling layer is formed by inorganic mineral extrusion.

Preferably, the outer sheath is a layer structure extruded by a halogen-free low-smoke flame-retardant polyolefin material.

(III) advantageous effects

Through the structure design, the utility model has the advantages of: 1. the power electric energy and the control signal can be transmitted simultaneously, the mutual interference between the power electric energy and the control signal can be realized, and the electric energy and the information transmission are reliable and accurate; 2. the electromagnetic induction resistance and power line conducted interference resistance are good, the electromagnetic radiation of the whole transmission system can be reduced, and the safe operation of cables and other equipment is facilitated; 3. the device has the advantages of reasonable design, compact structure and convenient laying, can be used in common working environment, and has more obvious effect in relatively severe high-temperature environment and corrosive occasions; 4. the service life is long.

Drawings

Fig. 1 is a schematic cross-sectional structure view of a long-life power and control integrated cable in an embodiment of the present invention;

in fig. 1, the correspondence between the component names and the reference numbers is:

the cable comprises a first conductor 1, a first insulating layer 2, a second insulating layer 3, a filling layer 4, a shielding layer 5, an inner lining layer 6, a second conductor 7, a third insulating layer 8 and an outer protection layer 9.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 1 is a schematic cross-sectional structure diagram of a long-life power control integrated cable according to an embodiment of the present invention.

The utility model provides a long-life moves accuse composite cable, including the power sinle silk, the power sinle silk includes first conductor 1, first insulation layer 2 and the second insulation layer 3 that sets gradually from inside to outside, wherein the first conductor is tin-plated annealing copper conductor, first insulation layer reaches the second insulation layer is extruded by irradiation cross-linking halogen-free low smoke flame retardant polyolefin material bilayer is crowded altogether, the power sinle silk is provided with threely, the power sinle silk closely laminates, is provided with filling layer 4 in all the power sinle silk outside and is formed with the cable main part that the cross section is circular; a shielding layer 5 arranged outside the cable main body; the lining layer 6 is arranged on the outer side of the shielding layer; the control wire core is arranged on the outer side of the inner liner and comprises a second conductor 7 and a third insulating layer 8 which are sequentially arranged from inside to outside, the second conductor is a tinned annealed copper conductor, the third insulating layer is extruded by a single layer of irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin material, a plurality of control wire cores are arranged, and all the control wire cores are arranged on the outer side surface of the inner liner at equal intervals; and the outer protective layer 9 is arranged on the outer side of the control wire core.

The utility model provides a long-life moves accuse and synthesizes cable dynamic control integrated cable collection power sinle silk and control sinle silk in an organic whole, not only can transmit power electric energy and control signal simultaneously, can realize mutual noninterference between the two moreover, electric energy and information transmission are reliable accurate. The good anti-electromagnetic induction of this product and power cord conducted interference performance can reduce whole transmission system's electromagnetic radiation, is favorable to the safe operation of cable and other equipment, and this product reasonable in design, compact structure, lay lightly simultaneously, not only can be used to in general operational environment, the effect that embodies in the high temperature environment of abominable relatively and corrosivity occasion is also more showing, has possessed very strong competitive advantage in special cable market.

It should be noted that the power control integrated cable of the present invention has a long life of 70 years, and the above-mentioned long life of 70 years is derived from the service life of the cable by using Arrhenius (Arrhenius) curve according to the test method specified in GB/T11026.1.

① power core and control core conductor, namely first conductor 1 and second conductor 7 adopt tin-plated annealed copper conductor, tin-plated copper conductor can prevent the conductor from corroding effectively, lengthen cable life. ② insulating layer outside first conductor 1 and second conductor 7 all adopt the radiation cross-linking halogen-free low smoke flame retardant polyolefin material to make, wherein first conductor 1 adopts the double-deck crowded technology of extruding to process altogether to handle, second conductor 7 adopts the single-deck crowded technology to handle. ③ filling layer 4 can adopt the environmental protection material to make, the inorganic mineral crowded package forms. ④ stranding, the cabling craft is carried out according to conventional cable technology, adopt the tinned soft copper wire to weave and form shielding layer 5 between power core and control core, and shielding layer 5 is crowded package temperature-resistant silicone rubber inner liner 6 outward, realize the effective isolation of power core and control core, the copper wire weaves the shielding has good anti-electromagnetic interference, guaranteed the simultaneous transmission of power supply and control signal, realized the interference between the two, ⑤ power core and control core conductor arrange according to the experience that the power core and control core conductor can adopt the concentric low smoke power conductor to produce the power core conductor and control core conductor and the outer diameter of the cable structure to reduce the effective anti-interference of the cable simultaneously.

Through the structure design, the utility model has the advantages of: 1. the power electric energy and the control signal can be transmitted simultaneously, the mutual interference between the power electric energy and the control signal can be realized, and the electric energy and the information transmission are reliable and accurate; 2. the electromagnetic induction resistance and power line conducted interference resistance are good, the electromagnetic radiation of the whole transmission system can be reduced, and the safe operation of cables and other equipment is facilitated; 3. the device has the advantages of reasonable design, compact structure and convenient laying, can be used in common working environment, and has more obvious effect in relatively severe high-temperature environment and corrosive occasions; 4. the service life is long.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. A long-life power and control integrated cable is characterized by comprising:

the power cable comprises three power cable cores, wherein the power cable cores comprise a first conductor (1), a first insulating layer (2) and a second insulating layer (3) which are sequentially arranged from inside to outside, the first conductor is a tinned annealed copper conductor, the first insulating layer and the second insulating layer are formed by double-layer co-extrusion of an irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin material, the number of the power cable cores is three, the three power cable cores are closely attached, and a filling layer (4) is arranged on the outer side of all the power cable cores and a cable main body with a circular cross section is formed;

a shielding layer (5) arranged outside the cable main body;

the lining layer (6) is arranged on the outer side of the shielding layer;

the control wire core is arranged on the outer side of the inner liner and comprises a second conductor (7) and a third insulating layer (8) which are sequentially arranged from inside to outside, the second conductor is a tinned annealed copper conductor, the third insulating layer is extruded by a single layer of irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin material, a plurality of control wire cores are arranged, and all the control wire cores are arranged on the outer side surface of the inner liner at equal intervals;

and the outer protective layer (9) is arranged on the outer side of the control wire core.

2. The long life power control umbilical cable of claim 1,

the shielding layer is a layer structure woven by tinned soft copper wires.

3. The long life power control umbilical cable of claim 2,

the inner liner is a layer structure formed by extruding temperature-resistant silicon rubber.

4. Long life power control integration cable according to any one of claims 1 to 3,

the filling layer is formed by inorganic mineral extrusion.

5. Long life power control integration cable according to any one of claims 1 to 3,

the outer protective layer is a layer structure formed by extruding halogen-free low-smoke flame-retardant polyolefin materials.

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