CN210467417U

CN210467417U - Ultralow temperature resistant transmission and control cable for 10kV rated voltage oil platform

Info

Publication number: CN210467417U
Application number: CN201921566653.0U
Authority: CN
Inventors: 冷静; 夏明慧; 甘胤嗣; 蒋正勇; 房权生
Original assignee: Baosheng Science and Technology Innovation Co Ltd
Current assignee: Baosheng Science and Technology Innovation Co Ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-05-05
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a rated voltage 10kV oil platform is with resistant ultra-low temperature transmission and control cable, including cable core, restrictive coating, heat preservation and inoxidizing coating, the cable core is formed by many heart yearns and many filler strands transposition, and the cable core outside is provided with the restrictive coating, and the restrictive coating outside is provided with the heat preservation, and the heat preservation outside is provided with the inoxidizing coating, the utility model provides an oil platform cable low temperature life is short among the prior art, technical problem that stretch resistance is not enough.

Description

Ultralow temperature resistant transmission and control cable for 10kV rated voltage oil platform

Technical Field

The utility model relates to a cable manufacturing technical field especially relates to a rated voltage 10kV oil platform is with resistant ultra-low temperature transmission and control cable.

Background

According to the petroleum development planning of China, particularly with the implementation of the thirteen-five planning, the marine petroleum development of China will come up to a high-speed development period, and 1200 billion yuan of investment will be applied to the marine petroleum development in the next 5 years. The increase rate of the oil platform is expected to be kept between 8 and 10 percent in 2010 and 2020. The number of the oil platforms in China is about 250 in 2008, and each platform is about 10 km/year for maintenance of the seabed integrated cable. The amount of undersea composite cable required for each newly built platform is about 40 km. The cable consumption on each type of petroleum platform is as follows: 150 kilometers of self-elevating platform, 180 kilometers of semi-submersible platform, 200 kilometers of oil production platform, 200 kilometers of production platform and 100 kilometers of living platform.

In addition, with the vigorous development of oil in the country, the number of oil platform cables required is also greatly increased. 10000 km of various cables are needed for building and maintaining offshore oil platforms in China in 2008, and nearly 16000 km will be reached in 2009. It is expected that by 2020, it will exceed 25000 km.

At present, the oil platform cable in China is basically made into a home, and the annual capacity of domestic enterprises is about 8000-10000 km. According to the domestic capacity and demand growth ratio, the supply and demand gap is estimated to be about 5000 kilometers before 2010, and the supply and demand gap reaches about 10000 kilometers in 2020.

The existing oil platform cable cannot meet good performances of normal work in a low-temperature environment of 60 ℃ below zero and the like, and the existing cable is insufficient in tensile resistance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rated voltage 10kV oil platform is with resistant ultra-low temperature transmission and control cable has solved the oil platform cable low temperature life among the prior art short, the not enough technical problem of stretch-proofing nature.

The utility model provides a rated voltage 10kV oil platform is with resistant ultra-low temperature transmission and control cable, includes cable core, restrictive coating, heat preservation and inoxidizing coating, the cable core is formed by many heart yearns and many filler strip transposition, the cable core outside is provided with the restrictive coating, the restrictive coating outside is provided with the heat preservation, the heat preservation outside is provided with the inoxidizing coating.

The beneficial effects of the utility model are that through setting up the inoxidizing coating, can improve the tensile strength of product, effectual protection cable.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further, the heart yearns are three, the packing strip is four, and three two liang tangents of heart yearn, wherein three the packing strip is located the heart yearn outside, just the packing strip is tangent with adjacent heart yearn, and remaining one the packing strip is located between the heart yearn, adopt this step's beneficial effect to guarantee the rounding of cable core through the packing strip.

Further, the heart yearn includes conductor, conductor shielding layer, insulating layer and insulation shielding layer, the conductor outside is provided with the conductor shielding layer, the conductor shielding layer outside is provided with the insulating layer, the insulating layer outside is provided with the insulation shielding layer.

Furthermore, the conductor is a tinned annealed copper conductor, the outermost layer stranding pitch ratio of the conductor is not more than 7.5 times, and the beneficial effect of the step is that the bending performance of the product can be ensured.

Further, the core wire further comprises a tinned copper wire woven layer and a polyester tape wrapping package, the weaving density of the tinned copper wire woven layer is larger than 80%, the tinned copper wire woven layer is wrapped outside the insulation shielding layer, the polyester tape wrapping package is located outside the tinned copper wire woven layer, and the wrapping probability is 15-20%.

Furthermore, the insulating layer is a special cold-resistant ethylene propylene rubber insulating layer, the thickness of the insulating layer is D, and D is more than or equal to 3.06mm and less than or equal to 3.70 mm.

Furthermore, the filling strip is a silicon rubber filling strip, and the method has the advantages of ensuring the roundness of the cable after filling, and improving the characteristics of the cable such as flexibility, high and low temperature resistance, flame retardance and the like.

Furthermore, the heat-insulating layer is a heat-insulating cotton layer.

Furthermore, the protective layer is a corrugated metal pipe outer sheath, the thickness of the protective layer is 0.5mm, the depth of the corrugated copper is 0.5-1.5mm, and the method has the advantages that the corrugated metal pipe outer sheath can improve the low-temperature resistance and tensile strength of the cable, and the cable is effectively protected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an ultra-low temperature resistant transmission and control cable for an oil platform with a rated voltage of 10kV according to an embodiment of the present invention;

reference numerals:

1-a cable core; 2-a sheath layer; 3, insulating layer; 4-a protective layer;

101-a core wire; 102-a filler strip; 103-a first filler strip; 104-a second filler strip; 105-a conductor; 106-conductor shield layer; 107-an insulating layer; 108-an insulating shield layer; 109-a tinned copper wire braid; 110-polyester tape wrapping.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1, the ultralow temperature resistant transmission and control cable for the oil platform with the rated voltage of 10kV provided in this embodiment includes a cable core 1, a sheath layer 2, a heat preservation layer 3 and a protection layer 4, where the cable core 1 is formed by twisting a plurality of core wires 101 and a plurality of filler strips 102, the sheath layer 2 is arranged on the outer side of the cable core 1, the heat preservation layer 3 is arranged on the outer side of the sheath layer 2, and the protection layer 4 is arranged on the outer side of the heat preservation layer 3; the number of the core wires 101 in the cable core in the embodiment is three, the number of the filling strips 102 is four, the arrangement mode of the core wires 101 is that every two core wires are twisted in a tangent mode, three filling strips of the four filling strips 102 are used as first filling strips 103, the remaining one filling strip is used as a second filling strip 104, the first filling strips 103 are located on the outer sides of the core wires 101, and meanwhile the first filling strips 103 are respectively tangent to two adjacent core wires; and the second filler strips 104 are located between three of said cords 101, and said second filler strips 104 are all tangent to said cords 101.

As shown in fig. 1, the core wire 101 includes a conductor 105, a conductor shielding layer 106, an insulating layer 107 and an insulating shielding layer 108, the conductor shielding layer 106 is disposed outside the conductor 105, the insulating layer 107 is disposed outside the conductor shielding layer 106, and the insulating layer 108 is disposed outside the insulating layer 107; in the embodiment, the conductor inside the core wire 101 is a tin-plated annealed copper conductor, and the stranding pitch ratio of the outermost layer is not more than 7.5 times; the conductor is a standard IEEE 1580 or IEC 60228 class 5 tinned annealed copper conductor, and the cable core 1 is divided into three conductors, so that the compactness of single wires in the conductor stranding process is ensured, the outer diameter of the conductor is reduced, the structural stability of the conductor is improved, the phenomenon of insulation core deviation in the subsequent rubber extrusion process is avoided, the flexibility of the conductor is ensured, and the excellent bending performance of the cable in the installation and laying process is ensured.

As shown in fig. 1, the insulating layer 107 is a special cold-resistant ethylene propylene rubber insulating layer, the thickness of the insulating layer 107 is D, D is not less than 3.06mm and not more than 3.70mm, the insulating layer in this embodiment is made of a special cold-resistant ethylene propylene rubber insulating material with high tearing resistance and high electrical performance, and the insulating shield is a strippable semiconductive outer shield. The tensile strength of the ethylene propylene rubber insulating material is not less than 15Mpa, and the elongation at break is not less than 250%, so that the stability of the cable performance can be ensured.

As shown in fig. 1, the core wire 1 further includes a tinned copper wire braid 109 and a polyester tape wrapping 110, the braiding density of the tinned copper wire braid 109 is greater than 80%, the polyester tape wrapping 110 is located outside the tinned copper wire braid 109, and the wrapping probability is 15-20%.

As shown in fig. 1, the filler strip 102 is a silicone rubber filler strip, and the filler strip can round the cable and improve the characteristics of the cable, such as flexibility, high and low temperature resistance, flame retardance, and the like.

As shown in fig. 1, the heat-insulating layer 3 is a heat-insulating cotton layer, and the thinnest point of the heat-insulating layer in the embodiment is not less than 2.0mm, so that the cable can well meet the use requirements of low-temperature and even ultralow-temperature environments.

As shown in fig. 1, the protective layer 4 is a corrugated metal pipe outer sheath, the thickness is 0.5mm, the depth of the corrugated copper is 0.5-1.5mm, and the high and low temperature resistance and tensile strength of the cable can be improved through the corrugated metal pipe outer sheath, so that the cable is effectively protected.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a rated voltage 10kV oil platform is with resistant ultra-low temperature transmission and control cable which characterized in that, includes cable core, restrictive coating, heat preservation and inoxidizing coating, the cable core is formed by many heart yearns and many filler strip transposition, the cable core outside is provided with the restrictive coating, the restrictive coating outside is provided with the heat preservation, the heat preservation outside is provided with the inoxidizing coating.

2. The ultra-low temperature resistant transmission and control cable for the oil platform with the rated voltage of 10kV as claimed in claim 1, wherein the number of the core wires is three, the number of the filling strips is four, every two of the core wires are tangent, the three filling strips are located outside the core wires and are tangent to the adjacent core wires, and the remaining one filling strip is located between the core wires.

3. The ultra-low temperature resistant transmission and control cable for the oil platform with the rated voltage of 10kV according to claim 2, wherein the core wire comprises a conductor, a conductor shielding layer, an insulating layer and an insulating shielding layer, the conductor shielding layer is arranged outside the conductor, the insulating layer is arranged outside the conductor shielding layer, and the insulating layer is arranged outside the insulating layer.

4. The ultra-low temperature resistant transmission and control cable for the oil platform with the rated voltage of 10kV as claimed in claim 3, wherein the conductor is a tin-plated annealed copper conductor, and the outermost layer stranding pitch ratio is not more than 7.5 times.

5. The ultralow temperature-resistant transmission and control cable for the oil platform with the rated voltage of 10kV according to claim 4, wherein the core wire further comprises a tinned copper wire woven layer and a polyester tape wrapping package, the weaving density of the tinned copper wire woven layer is greater than 80%, the tinned copper wire woven layer is wrapped outside the insulating shielding layer, the polyester tape wrapping package is positioned outside the tinned copper wire woven layer, and the wrapping probability is 15-20%.

6. The ultra-low temperature resistant transmission and control cable for the oil platform with the rated voltage of 10kV as claimed in claim 5, wherein the insulating layer is a special cold-resistant ethylene propylene rubber insulating layer, the thickness of the insulating layer is D, and D is more than or equal to 3.06mm and less than or equal to 3.70 mm.

7. The ultra-low temperature resistant transmission and control cable with the rated voltage of 10kV for the oil platform as claimed in claim 1, wherein the filler strip is a silicone rubber filler strip.

8. The ultra-low temperature resistant transmission and control cable with the rated voltage of 10kV for the oil platform as claimed in claim 1, wherein the heat insulation layer is a heat insulation cotton layer.

9. The ultra-low temperature resistant transmission and control cable with rated voltage of 10kV for the oil platform as claimed in claim 1, wherein the protective layer is a corrugated metal pipe outer sheath with thickness of 0.5 mm.