CN216562518U

CN216562518U - High spatial resolution identical weak optical fiber sensing detection cable

Info

Publication number: CN216562518U
Application number: CN202122497416.7U
Authority: CN
Inventors: 夏文伟; 杨明红; 杨恒勇; 方峰; 李世华; 吴开明; 陈夕松; 陈熙源; 王强; 袁清; 冯路路; 王佐; 伊萨耶夫.奥列格; 张敏
Original assignee: Jiangsu Huaneng Cable Co ltd
Current assignee: Jiangsu Huaneng Cable Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-17
Anticipated expiration: 2031-10-15

Abstract

The application discloses a high-spatial-resolution identical weak optical fiber sensing detection cable which comprises a central core wire, an inner protection layer, an armor layer, an outer protection layer, a cable core wire and an optical cable core wire, wherein the central core wire comprises a hollow core wire pipe and a plurality of first filling ropes; the cable core wire sequentially comprises a flame-retardant layer, a shielding layer, an insulating layer and a conductor from outside to inside; the optical fiber core wire sequentially comprises a stainless steel tube and an optical fiber from outside to inside, the outer side of the core wire tube is provided with a plurality of strip-shaped first grooves, and each second groove is internally provided with a cable core wire or an optical cable core wire; the cable core and the cable core are all surrounded by the inner protective layer, the outer side of the inner protective layer is provided with a plurality of strip-shaped second grooves, a second filling rope is contained in each second groove, the armor layer surrounds the inner protective layer and all the second filling ropes, and the outer protective layer surrounds the armor layer. The cable of this application, signal transmission is stable, and can adapt to abominable operational environment.

Description

High spatial resolution identical weak optical fiber sensing detection cable

Technical Field

The application relates to the field of cables, in particular to a high-spatial-resolution identical weak optical fiber sensing detection cable.

Background

A load-bearing detection cable belongs to a cable for electrical equipment and mainly has the functions of bearing tension, supplying power to a system, transmitting signals and controlling depth. Wireline logging is used to detect various parameters downhole. The logging cable has the important functions of conveying various downhole instruments, transmitting various signals between a ground control system and the downhole instruments and acquiring the depth position of downhole information. The load-bearing detection cable has a severe working environment and more types of signals to be transmitted, and in some scenes, electric signal transmission, optical signal transmission and power supply are often required, so that the load-bearing detection cable has the disadvantages of severe working environment and high working requirement compared with a common cable, and the cable also has interference of various external forces such as pulling, extrusion and the like in the working environment, and once irreversible deformation and damage occur, the field detection operation can be directly influenced.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the application aims to overcome the defects of the prior art and provides the high-spatial-resolution identical weak optical fiber sensing detection cable.

The technical scheme is as follows: a high spatial resolution identical weak optical fiber sensing detection cable comprises a central core wire, an inner protection layer, an armor layer, an outer protection layer, a cable core wire and an optical cable core wire, wherein the central core wire comprises a hollow core wire pipe and a plurality of first filling ropes positioned in the core wire pipe; the cable core wire sequentially comprises a flame-retardant layer, a shielding layer, an insulating layer and a conductor from outside to inside; the optical fiber core wire sequentially comprises a stainless steel tube and an optical fiber from outside to inside, a plurality of strip-shaped first grooves are formed in the outer side of the core wire tube, the sum of the number of the cable core wires and the number of the optical cable core wires is equal to the number of the first grooves, and one cable core wire or one optical cable core wire is accommodated in each second groove; the cable core and the optical cable core are all surrounded by the inner protective layer, the outer side of the inner protective layer is provided with a plurality of strip-shaped second grooves, a second filling rope is contained in each second groove, the armor layer surrounds the inner protective layer and all the second filling ropes, and the outer protective layer surrounds the armor layer.

Further, the first filling rope is a hollow filling rope, and the second filling rope is a solid filling rope.

Therefore, the matching of the first filling rope and the second filling rope realizes the tensile and pressure resistance characteristics of the cable.

Further, the core tube, the first filler cord and the second filler cord are all made of rubber material.

Further, the number of the first filling ropes is 7, and the number of the second filling ropes is 4-8.

Further, the stainless steel pipe is filled with optical fiber ointment, and the stainless steel pipe is internally provided with a single-mode optical fiber and a multi-mode optical fiber.

Further, the conductor is a stranded copper conductor; the shielding layer is a copper wire braided shielding layer; the armor layer is a steel wire armor layer.

Further, the insulating layer and the inner protective layer are both made of polyethylene material; the outer protective layer is a polyurethane outer protective layer.

Further, the cable cores have 3-6; the number of the optical cable core wires is 1-2.

Other number of matches can be selected according to needs, and actual selection is carried out according to detection equipment connected on site during production.

Has the advantages that: the utility model provides a cable can be used for inside cable core and the optic fibre core that contains great quantity, can carry out the transmission of signal of telecommunication and light signal simultaneously, and can be for the equipment power supply, and have interior sheath, outer sheath and armor, cable overall structure intensity is big, it is corrosion-resistant, resistant high low temperature, and it is a plurality of first, two packing ropes, whole compressive capacity is strong, thereby holistic stable in structure, can adapt to adverse circumstances's user demand, when carrying out the detection operation on scene, good performance has, high adaptability.

Drawings

FIG. 1 is a schematic view of example 1;

FIG. 2 is a schematic view of example 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Reference numerals: 1.1 flame retardant layer; 1.2 a shielding layer; 1.3 an insulating layer; 1.4 a conductor; 2.1 stainless steel tube; 2.2 an optical fiber; 3.1 core tube; 3.2 a first filler rope; 4, inner protecting layer; 5 a second fill string; 6 an armor layer; 7 outer sheath.

Example 1

As shown in fig. 1: a high spatial resolution identical weak optical fiber sensing detection cable comprises a central core wire, an inner protection layer 4, an armor layer 6, an outer protection layer 7, a cable core wire and an optical cable core wire, wherein the central core wire comprises a hollow core wire pipe 3.1 and a plurality of first filling ropes 3.2 positioned inside the core wire pipe 3.1; the cable core wire sequentially comprises a flame-retardant layer 1.1, a shielding layer 1.2, an insulating layer 1.3 and a conductor 1.4 from outside to inside; the optical fiber core wire sequentially comprises a stainless steel tube 2.1 and an optical fiber 2.2 from outside to inside, a plurality of strip-shaped first grooves are formed in the outer side of the core wire tube 3.1, the sum of the number of the cable core wires and the number of the optical cable core wires is equal to the number of the first grooves, and one cable core wire or one optical cable core wire is accommodated in each second groove; the cable core and the optical cable core are both surrounded by the inner sheath 4, the outer side of the inner sheath 4 is provided with a plurality of strip-shaped second grooves, each second groove contains one second filling rope 5, the armor layer 6 surrounds the inner sheath 4 and all the second filling ropes 5, and the outer sheath 7 surrounds the armor layer 6.

The first filling rope 3.2 is a hollow filling rope, and the second filling rope 5 is a solid filling rope. The core tube 3.1, the first filler rope 3.2 and the second filler rope 5 are all made of rubber material. The number of the first filling ropes 3.1 is 7, and the number of the second filling ropes 3.2 is 6. The stainless steel pipe 2.1 is filled with optical fiber ointment, and the stainless steel pipe 2.1 is internally provided with a single-mode optical fiber and a multi-mode optical fiber. The conductor 1.4 is a stranded copper conductor; the shielding layer 1.2 is a copper wire braided shielding layer; the armor layer 6 is a steel wire armor layer. The insulating layer 1.2 and the inner protection layer 4 are both made of polyethylene materials; the outer protective layer 7 is a polyurethane outer protective layer. The number of the cable cores is 4; the optical cable core wire has 2.

Example 2

As shown in fig. 2: a high spatial resolution identical weak optical fiber sensing detection cable comprises a central core wire, an inner protection layer 4, an armor layer 6, an outer protection layer 7, a cable core wire and an optical cable core wire, wherein the central core wire comprises a hollow core wire pipe 3.1 and a plurality of first filling ropes 3.2 positioned inside the core wire pipe 3.1; the cable core wire sequentially comprises a flame-retardant layer 1.1, a shielding layer 1.2, an insulating layer 1.3 and a conductor 1.4 from outside to inside; the optical fiber core wire sequentially comprises a stainless steel tube 2.1 and an optical fiber 2.2 from outside to inside, a plurality of strip-shaped first grooves are formed in the outer side of the core wire tube 3.1, the sum of the number of the cable core wires and the number of the optical cable core wires is equal to the number of the first grooves, and one cable core wire or one optical cable core wire is accommodated in each second groove; the cable core and the optical cable core are both surrounded by the inner sheath 4, the outer side of the inner sheath 4 is provided with a plurality of strip-shaped second grooves, each second groove contains one second filling rope 5, the armor layer 6 surrounds the inner sheath 4 and all the second filling ropes 5, and the outer sheath 7 surrounds the armor layer 6.

The main difference between example 2 and example 1 is the number of the cable cores, the optical cable cores, and the second filling cords, example 2, the number of the cable cores is 3, the number of the optical cable cores is 1, the number of the second filling cords is 4, and the second filling cords are spaced apart from the cable cores and the optical cable cores.

The utility model provides a bear load exploration cable, because its a plurality of cables and optical cable surround central core, and cable and optical cable surround outward and have the second filling rope, first filling rope has in the central core, thereby overall structure is last, have better tensile, withstand voltage's performance, and because multimode fiber, single mode fiber, and the cable relation has a plurality ofly, consequently, the transmission of complicated signal can be carried out, and have interior, the outer jacket, the armor, consequently, overall structure is more stable, adaptability to different service environment is stronger.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

While the utility model has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the utility model as defined in the following claims.

Claims

1. The high-spatial-resolution isotactic weak optical fiber sensing detection cable is characterized by comprising a central core wire, an inner protection layer, an armor layer, an outer protection layer, cable core wires and optical cable core wires, wherein the central core wire comprises a hollow core wire pipe and a plurality of first filling ropes positioned in the core wire pipe; the cable core wire sequentially comprises a flame-retardant layer, a shielding layer, an insulating layer and a conductor from outside to inside; the optical fiber core wire sequentially comprises a stainless steel tube and an optical fiber from outside to inside, a plurality of strip-shaped first grooves are formed in the outer side of the core wire tube, the sum of the number of the cable core wires and the number of the optical cable core wires is equal to the number of the first grooves, and one cable core wire or one optical cable core wire is accommodated in each second groove; the cable core and the optical cable core are all surrounded by the inner protective layer, the outer side of the inner protective layer is provided with a plurality of strip-shaped second grooves, a second filling rope is contained in each second groove, the armor layer surrounds the inner protective layer and all the second filling ropes, and the outer protective layer surrounds the armor layer.

2. The high spatial resolution isotactic weak optical fiber sensing exploration cable of claim 1, wherein said first filler rope is a hollow structured filler rope and said second filler rope is a solid structured filler rope.

3. The high spatial resolution all homodyne weak fiber sensing detection cable of claim 1, wherein the core tube, the first filler rope and the second filler rope are all made of rubber material.

4. The high spatial resolution all-fiber weak sensing probe cable according to claim 1, wherein the number of the first filler ropes is 7 and the number of the second filler ropes is 4-8.

5. The high spatial resolution homodyne weak optical fiber sensing and detection cable according to claim 1, wherein the stainless steel tube is filled with optical fiber ointment, and the stainless steel tube is internally provided with single-mode optical fibers and multi-mode optical fibers.

6. The high spatial resolution isotactic weak optical fiber sensing probe cable of claim 1, wherein said conductor is a stranded copper conductor; the shielding layer is a copper wire braided shielding layer; the armor layer is a steel wire armor layer.

7. The high spatial resolution isotactic weak optical fiber sensing probe cable of claim 1, wherein said insulating layer and said inner sheath are both made of polyethylene material; the outer protective layer is a polyurethane outer protective layer.

8. The high spatial resolution isotactic weak optical fiber sensing probe cable as set forth in claim 1, wherein said cable cores have 3-6; the number of the optical cable core wires is 1-2.