CN215183250U

CN215183250U - Underground prefabricated photoelectric measurement and control composite cable

Info

Publication number: CN215183250U
Application number: CN202121373164.0U
Authority: CN
Inventors: 季昌芸; 柴德民; 姜再鹏; 江少帅
Original assignee: Shandong Hill Cable Co ltd
Current assignee: Shandong Hill Cable Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-14
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to a cable, specifically speaking relates to a prefabricated formula photoelectricity observes and controls compound cable in pit. The cable comprises a cable body, wherein the cable body is sequentially provided with an optical fiber, a stainless steel pipe, a sheath, a copper wire, an insulating layer, a protective stainless steel pipe and an outer sheath from inside to outside, and the outer sheath is of a square structure; the optical fiber, the stainless steel pipe and the sheath form an optical fiber core, the optical fiber is arranged inside the stainless steel pipe, and the sheath is coated outside the stainless steel pipe; the copper wire and the insulating layer form a cable core, and the insulating layer is coated outside the copper wire; the utility model relates to a through establishing the oversheath to the square range of being convenient for many composite cable, save space, possess the damp-proofing effect that blocks water simultaneously, be convenient for increase composite cable's use scene and life-span, corrosion resistance is good, increase of service life, safety ring protects, has characteristics such as excellent stand wear and tear, acidproof, alkali-proof, heat-resisting high low temperature, can play long-term lasting anticorrosive effect in great within range.

Description

Underground prefabricated photoelectric measurement and control composite cable

Technical Field

The utility model relates to a cable, specifically speaking relates to a prefabricated formula photoelectricity observes and controls compound cable in pit.

Background

The underground prefabricated photoelectric measurement and control composite cable is a signal transmission element used in coal mines and oil mines, peripheral sheaths of most of the existing composite cables are mostly set to be circular, are inconvenient to fix, are inconvenient for arrangement of multiple lines, occupy more space and possibly influence construction operation of underground workers, and the underground environment complex and changeable common composite cable does not have the effects of water blocking, moisture prevention and fire prevention and can damage the composite cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated formula photoelectricity observes and controls composite cable in pit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a prefabricated formula photoelectricity observes and controls composite cable in pit, including the cable body, its characterized in that: the cable body is sequentially provided with an optical fiber, a stainless steel pipe, a sheath, a copper wire, an insulating layer, a protective stainless steel pipe and an outer sheath from inside to outside, and the outer sheath is of a square structure;

the optical fiber, the stainless steel pipe and the sheath form an optical fiber core, the optical fiber is arranged inside the stainless steel pipe, and the sheath is coated outside the stainless steel pipe;

the cable core is formed by the copper wires and the insulating layer, the cable core and the optical fiber core are twisted to form a cable-shaped structure with an N +1 structure by coating the insulating layer on the copper wires, N is the cable core, and 1 is the optical fiber core;

as a further improvement of the technical scheme, 1-20 optical fibers are arranged, and a gap for filling hydrogen absorption fiber paste is reserved between each optical fiber and the stainless steel tube.

As a further improvement of the technical scheme, N is 1, 2 or 3.

Compared with the prior art, the beneficial effects of the utility model are that:

in this compound cable is observed and controled to prefabricated formula photoelectricity in pit, through establishing the oversheath into the square range of being convenient for many compound cables, be convenient for save space, when cable core quantity is one hour, the rubber tube can help cable core and optical fiber core transposition stranding cable, make the helix angle of optic fibre can not too big influence signal transmission, and the oversheath adopts imported high-quality flame retardant material, possess the dampproofing effect that blocks water simultaneously, be convenient for increase compound cable's service scene and life-span, corrosion resistance is good, prolonged service life, safety and environmental protection, have excellent stand wear and tear, acidproof, alkali-proof, heat-resisting characteristics such as high low temperature resistant, can play long-term lasting anticorrosive effect in great within range.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of an outer sheath according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a rubber tube, a cable core and an optical fiber core according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of an optical fiber core according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a cable core according to embodiment 1 of the present invention.

The various reference numbers in the figures mean:

100. a cable body;

110. an outer sheath; 120. protecting the stainless steel pipe;

210. an optical fiber core; 211. a sheath; 212. a stainless steel tube; 213. hydrogen absorbing fiber paste; 214. an optical fiber; 220. a cable core; 221. an insulating layer; 222. a copper wire; 230. a rubber tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 to 5, the present embodiment provides a downhole prefabricated photoelectric measurement and control composite cable, including a cable body 100, where the cable body 100 is sequentially provided with an optical fiber 214, a stainless steel pipe 212, a sheath 211, a copper wire 222, an insulating layer 221, a protective stainless steel pipe 120, and an outer sheath 110 from inside to outside, the outer sheath 110 is in a square structure, the protective stainless steel pipe 120 is sleeved inside the outer sheath 110 to protect the inside of the cable body 100, the outer sheath 110 is made of polypropylene or PP or PE, and has a very large resistance value, good insulation, and can effectively block current circulation inside and outside, and meanwhile, polypropylene or PP or PE is an environment-friendly material and does not cause harm to the environment;

the optical fiber core 210 is composed of the optical fiber 214, the stainless steel tube 212 and the sheath 211 and is used for transmitting signals, the optical fiber 214 is arranged inside the stainless steel tube 212, the stainless steel tube 212 plays a role of directly protecting the optical fiber 214, the sheath 211 is wrapped outside the stainless steel tube 212, the sheath 211 protects the stainless steel tube 212 from being abraded, and the service life is prolonged;

the copper wire 222 and the insulating layer 221 form a cable core 220 for transmitting power to an electrical appliance, the insulating layer 221 is coated outside the copper wire 222, and the insulating layer 221 protects the current of the copper wire 222 from being interfered and leaking;

the cable core 220 and the optical fiber core 210 are twisted to form a cable-shaped structure with an N +1 structure, wherein N is the cable core 220, and 1 is the optical fiber core 210, so that the cable core 220 and the optical fiber core 210 are conveniently twisted into a cable.

Furthermore, 1-6 optical fibers 214 are left, a gap for filling the hydrogen absorption fiber paste 213 is left between the optical fibers 214 and the stainless steel tube 212, and the hydrogen absorption fiber paste 213 is positioned between the stainless steel tube 212 and the optical fibers 214, so that the optical fibers 214 can be buffered and damped, and the optical fibers 214 are protected from being damaged.

Still further, N is 1, 2 or 3, when N equals 1, cable core 220 and optical fiber core 210 weave can, when N is greater than 1, this compound cable inside is equipped with a rubber tube 230, helps cable core 220 and optical fiber core 210 to strand into the cable, increases this compound cable's pliability simultaneously.

When the underground prefabricated photoelectric measurement and control composite cable is used specifically, when N is greater than 1, the rubber pipe 230 is arranged in the composite cable to help the cable core 220 to be stranded into a cable; when N is less than 1, the rubber tube 230 is not arranged in the composite cable, the cable core 220 is normally twisted into a cable, the hydrogen absorption fiber paste 213 protects the structure of the optical fiber 214, meanwhile, the stainless steel tube 212 bears the pressure from the outside for the optical fiber 214 in the composite cable, the sheath 211 ensures that the stainless steel tube 212 is not abraded, the copper wire 222 transmits power to equipment, the insulating layer 221 protects the power from leaking, the outer sheath 110 is square, the outer sheath 110 is protected from being abraded and is convenient to arrange, the arrangement of the outer sheath 110, the insulating layer 221 and the multilayer protective sleeve of the sheath 211 can effectively enhance the sealing property and the abrasion resistance in the composite cable, the service life of the composite cable is prolonged, and the composite cable is completely isolated from the outside, so that the composite cable has the characteristics of higher well testing efficiency, good corrosion resistance, prolonged service life, safety, environmental protection, excellent abrasion resistance, acid resistance, alkali resistance, heat resistance, high temperature resistance and the like, can play a long-acting and durable anti-corrosion effect in a larger range.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a compound cable of prefabricated formula photoelectricity measurement and control in pit, includes cable body (100), its characterized in that: the cable comprises a cable body (100) and is characterized in that an optical fiber (214), a stainless steel tube (212), a sheath (211), a copper wire (222), an insulating layer (221), a protective stainless steel tube (120) and an outer sheath (110) are sequentially arranged from inside to outside, and the outer sheath (110) is of a square structure; the optical fiber (214), the stainless steel tube (212) and the sheath (211) form an optical fiber core (210), the optical fiber (214) is arranged inside the stainless steel tube (212), and the sheath (211) is wrapped outside the stainless steel tube (212); the copper wire (222) and the insulating layer (221) form a cable core (220), and the insulating layer (221) is coated outside the copper wire (222); the cable core (220) and the optical fiber core (210) are twisted to form a cable-shaped structure with an N +1 structure, wherein N is the cable core (220), and 1 is the optical fiber core (210).

2. The underground prefabricated photoelectric measurement and control composite cable according to claim 1, wherein: the number of the optical fibers (214) is 1-20, and a gap for filling hydrogen absorption fiber paste (213) is reserved between the optical fibers (214) and the stainless steel tube (212).

3. The underground prefabricated photoelectric measurement and control composite cable according to claim 1, wherein: and N is 1, 2 or 3.