CN217361196U

CN217361196U - Special photoelectric composite cable for smart city underground comprehensive pipe rack

Info

Publication number: CN217361196U
Application number: CN202220491409.8U
Authority: CN
Inventors: 蔡超法; 吴奇颖; 关润颖; 何家铭; 张春芃
Original assignee: Zhuhai Dahengqin Urban Comprehensive Pipe Gallery Operation Management Co ltd
Current assignee: Zhuhai Dahengqin Urban Comprehensive Pipe Gallery Operation Management Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-09-02
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to the technical field of cables, specifically be special photoelectricity composite cable of wisdom city utility tunnel, including the basic unit, four groups of cable cores are inlayed to the inside of basic unit, and this cable core is twisted by a plurality of copper wires and is formed, the surface of cable core all is provided with the jam-proof structure, the surface parcel of basic unit has waterproof construction; the outer surface of the waterproof structure is wrapped by a compression-resistant structure, and the compression-resistant structure is composed of an elastic wrapping layer, a soft iron wire net layer and an outer sheath layer. The utility model discloses not only strengthen the interference killing feature of cable, the security when having improved the cable use guarantees moreover that the appearance girth of cable core does not receive outside extruded influence, reduces the destruction of outside extrusion force to the cable core.

Description

Special photoelectric composite cable for smart city underground comprehensive pipe rack

Technical Field

The utility model relates to the technical field of cables, specifically be special photoelectric composite cable of wisdom city utility tunnel.

Background

The utility model provides an underground comprehensive pipe gallery, is the construction in the city underground for concentrate the public tunnel of laying municipal pipelines such as electric power, communication, radio and television, feedwater, the most common just photoelectricity composite cable in the utility tunnel.

The cable on the market is various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points: firstly, the cable core is easy to interfere when the cable is used, thereby bringing great trouble to people; secondly, the cable is easily eroded by underground moisture when used underground, thereby seriously affecting the safety of the cable when used; and thirdly, the cable is easy to deform when being subjected to external extrusion force, so that the service cycle of the cable core is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special photoelectricity composite cable of wisdom city utility tunnel to propose the cable and easily take place the interference phenomenon in solving above-mentioned background art, corroded by secret moisture, and the short problem of life cycle.

In order to achieve the above object, the utility model provides a following technical scheme: the special photoelectric composite cable for the intelligent city underground comprehensive pipe gallery comprises a base layer, wherein four groups of cable cores are embedded in the base layer and are formed by twisting a plurality of copper wires, anti-interference structures are arranged on the outer surfaces of the cable cores, and each anti-interference structure consists of a metal woven single shielding sleeve, an armor layer and a metal woven total shielding sleeve; the outer surface of the base layer is wrapped with a waterproof structure, and the waterproof structure consists of a waterproof layer, water absorbing powder and a waterproof layer; the outer surface of the waterproof structure is wrapped by a compression-resistant structure, and the compression-resistant structure is composed of an elastic wrapping layer, a soft iron wire net layer and an outer sheath layer.

Preferably, the metal braided single shielding sleeve is wrapped on the surface of the cable core, the metal material of the metal braided single shielding sleeve is pure copper, the shielding sleeve is a net and is a strip conductor braided by high-quality bare copper round wires, and an armor layer is sleeved on the outer surface of the metal braided single shielding sleeve.

Preferably, the outer wall of the armor layer is wrapped with a metal braided total shielding sleeve, and the metal material of the metal braided total shielding sleeve is tin-plated copper.

Preferably, the waterproof layer is extruded on the surface of the metal braided total shielding sleeve and is a wave tube-shaped sleeve pipe formed by seamless welding and embossing of a stainless steel band.

Preferably, the outer surface of the waterproof layer is provided with a water-blocking layer, the water-blocking layer is a polyethylene water-blocking tape, and water-absorbing powder is filled in a gap between the waterproof layer and the water-blocking layer.

Preferably, the elastic wrapping layer is wrapped on the outer surface of the water-blocking layer in an extruded mode and is made of natural styrene butadiene rubber, the soft iron wire net layer wraps the surface of the elastic wrapping layer, and the outer sheath layer wraps the surface of the soft iron wire net layer.

Compared with the prior art, the beneficial effects of the utility model are that: the special photoelectric composite cable for the intelligent city underground comprehensive pipe gallery not only enhances the anti-interference capability of the cable, improves the safety of the cable in use, but also ensures that the shape and the perimeter of the cable core are not influenced by external extrusion, and reduces the damage of the external extrusion force to the cable core;

1. the anti-interference structure is arranged, the anti-interference structure is used for preventing interference on the cable core of the cable, and the anti-interference structure is implemented by matching a double-shielding sleeve of the metal braided single-shielding sleeve and the metal braided total-shielding sleeve with a three-layer safety layout formed by an armor layer, so that the anti-interference capability of the cable core is enhanced;

2. by arranging the waterproof structure, when the cable is waterproof, water stains are prevented from permeating into the cable core through the mutual matching of the waterproof layer, the water absorbing powder and the water blocking layer, the cable is prevented from being corroded by underground moisture to cause an electric shock phenomenon, and therefore the safety of the cable in use is improved;

3. through being provided with the compressive structures, mutually supporting around covering, soft iron wire stratum reticulare and oversheath layer through elasticity during the resistance to compression for the cable has certain elasticity, can warp when the cable receives outside extrusion force, and this kind of deformation is elastic deformation because of a little, can guarantee that the appearance girth of cable core is not influenced, reduces the destruction of outside extrusion force to the cable core, thereby has prolonged the life cycle of cable core.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged schematic view of the interference prevention structure of the present invention;

FIG. 4 is a schematic side view of the waterproof structure of the present invention;

fig. 5 is a schematic side view of the compression-resistant structure of the present invention.

In the figure: 1. a base layer; 2. an interference prevention structure; 201. a metal braided single shielding sleeve; 202. an armor layer; 203. a metal braided total shielding sleeve; 3. a cable core; 4. a waterproof structure; 401. a waterproof layer; 402. water absorbing powder; 403. a water-resistant layer; 5. a compression resistant structure; 501. an elastic lapping layer; 502. a soft iron wire mesh layer; 503. an outer jacket layer.

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, and furthermore, the terms "first", "second", "third", "upper, lower, left, right", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; can be directly connected with each other, also can be indirectly connected with each other through the intermediary, based on the embodiment in the utility model, all other embodiments that ordinary skilled in the art obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.

The structure of the special photoelectric composite cable for the intelligent city underground comprehensive pipe gallery provided by the utility model is shown in figures 1 and 3, and comprises a base layer 1, four groups of cable cores 3 are embedded in the base layer 1, the cable core 3 is formed by twisting a plurality of copper wires, the outer surface of the cable core 3 is provided with an anti-interference structure 2, the anti-interference structure 2 is composed of a metal braided single shielding sleeve 201, an armor layer 202 and a metal braided total shielding sleeve 203, the metal braided single shielding sleeve 201 is wrapped on the surface of the cable core 3, the metal material of the metal braided single shielding sleeve 201 is pure copper, the shielding sleeve is a net and is a ribbon conductor formed by weaving high-quality bare copper round wires, the outer surface of the metal woven single shielding sleeve 201 is sleeved with an armor layer 202, the outer wall of the armor layer 202 is wrapped with a metal woven total shielding sleeve 203, and the metal material of the metal woven total shielding sleeve 203 is tin-plated copper.

During implementation, the anti-interference structure 2 is used for preventing interference on the cable core 3 of the cable, and the anti-interference structure 2 is used for achieving three-layer safety layout by matching the double shielding sleeves of the metal woven single shielding sleeve 201 and the metal woven total shielding sleeve 203 with the armor layer 202, so that the anti-interference capability of the cable core 3 is enhanced.

Further, as shown in fig. 2 and 4, the outer surface of the base layer 1 is wrapped with a waterproof structure 4, the waterproof structure 4 is composed of a waterproof layer 401, water absorbing powder 402 and a waterproof layer 403, the waterproof layer 401 is extruded on the surface of the metal braided total shielding sleeve 203, the waterproof layer 401 is a wave-shaped sleeve pipe formed by seamless welding and embossing of a stainless steel band, the waterproof layer 403 is arranged on the outer surface of the waterproof layer 401, the waterproof layer 403 is a polyethylene waterproof tape, and the water absorbing powder 402 is filled in a gap between the waterproof layer 401 and the waterproof layer 403.

During the implementation, waterproof layer 401, the mutual cooperation of absorbing water powder 402 and water-blocking layer 403 when waterproof construction 4 implements avoids the water stain to ooze to the inside of cable core 3, prevents that the cable from being corroded by underground moisture and taking place electric shock phenomenon to security when having improved the cable use.

Further, as shown in fig. 2 and 5, the outer surface of the waterproof structure 4 is wrapped with a compression-resistant structure 5, and the compression-resistant structure 5 is composed of an elastic wrapping layer 501, a soft iron wire mesh layer 502 and an outer sheath layer 503, the elastic wrapping layer 501 is wrapped on the outer surface of the water-blocking layer 403, the elastic wrapping layer 501 is made of natural styrene-butadiene rubber and has a certain elasticity, the surface of the elastic wrapping layer 501 is wrapped with the soft iron wire mesh layer 502, and the surface of the soft iron wire mesh layer 502 is wrapped with the outer sheath layer 503.

During implementation, mutual cooperation of the wrapping layer 501, the soft iron wire mesh layer 502 and the outer sheath layer 503 is passed through when the compression-resistant structure 5 is implemented, so that the cable has certain elasticity, and can deform when the cable receives external extrusion force, and the deformation is elastic deformation, so that the appearance perimeter of the cable core 3 can be guaranteed to be unaffected, the damage of the external extrusion force to the cable core 3 is reduced, and the service cycle of the cable core 3 is prolonged.

The working principle is as follows: when the anti-interference cable is used, the anti-interference structure 2 is used for preventing interference to the cable core 3 of the cable, and when the anti-interference structure 2 is implemented, the double shielding sleeves of the metal woven single shielding sleeve 201 and the metal woven total shielding sleeve 203 are matched with the armor layer 202 to form a three-layer safety layout, so that the anti-interference capability of the cable core 3 is enhanced.

When the cable uses, waterproof through waterproof construction 4, waterproof construction 4 when implementing through waterproof layer 401, absorb water powder 402 and the mutually supporting of water blocking layer 403, avoid the water stain to ooze to the inside of cable core 3, prevent that the cable from being corroded by secret moisture and taking place the phenomenon of electrocuteeing to the security when having improved the cable use.

In the cable use, carry out the resistance to compression through compression-resistant structure 5, compression-resistant structure 5 is through elasticity around covering 501 when implementing, mutually supporting of soft iron wire stratum reticulare 502 and oversheath layer 503, make the cable have certain elasticity, can warp when the cable receives outside extrusion force, this kind of deformation is elastic deformation because of a little, can guarantee that the appearance girth of cable core 3 is not influenced, reduce the destruction of outside extrusion force to cable core 3, thereby the life cycle of cable core 3 has been prolonged, the use work of final completion cable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Special photoelectricity composite cable of wisdom city utility tunnel, including basic unit (1), its characterized in that: four groups of cable cores (3) are embedded in the base layer (1), the cable cores (3) are formed by twisting a plurality of copper wires, anti-interference structures (2) are arranged on the outer surfaces of the cable cores (3), and each anti-interference structure (2) is composed of a metal woven single shielding sleeve (201), an armor layer (202) and a metal woven total shielding sleeve (203); the outer surface of the base layer (1) is wrapped with a waterproof structure (4), and the waterproof structure (4) is composed of a waterproof layer (401), water absorbing powder (402) and a waterproof layer (403); the outer surface of waterproof construction (4) wraps up compressive structures (5), and compressive structures (5) comprise elasticity around covering (501), soft iron wire netting layer (502) and oversheath layer (503).

2. The special photoelectric composite cable for the intelligent city underground comprehensive pipe gallery according to claim 1, characterized in that: the metal braided single shielding sleeve (201) wraps the surface of the cable core (3), the metal material of the metal braided single shielding sleeve (201) is pure copper, the shielding sleeve is a net and is a strip conductor formed by braiding high-quality bare copper round wires, and an armor layer (202) is sleeved on the outer surface of the metal braided single shielding sleeve (201).

3. The special photoelectric composite cable for intelligent city underground comprehensive pipe gallery of claim 2, characterized in that: the outer wall of the armor layer (202) is wrapped with a metal braided total shielding sleeve (203), and the metal material of the metal braided total shielding sleeve (203) is tin-plated copper.

4. The special photoelectric composite cable for the intelligent city underground comprehensive pipe gallery according to claim 1, characterized in that: the waterproof layer (401) is extruded on the surface of the metal braided total shielding sleeve (203), and the waterproof layer (401) is a wave tube-shaped sleeve pipe formed by seamless welding and embossing of a stainless steel band.

5. The special photoelectric composite cable of wisdom city utility tunnel according to claim 3, its characterized in that: the waterproof layer (403) is arranged on the outer surface of the waterproof layer (401), the waterproof layer (403) is a polyethylene waterproof tape, and water absorbing powder (402) is filled in a gap between the waterproof layer (401) and the waterproof layer (403).

6. The special photoelectric composite cable for the intelligent city underground comprehensive pipe gallery according to claim 1, characterized in that: the waterproof layer is characterized in that the elastic wrapping layer (501) is wrapped on the outer surface of the waterproof layer (403) in an extruding mode, the elastic wrapping layer (501) is made of natural styrene-butadiene rubber, the soft iron wire mesh layer (502) wraps the surface of the elastic wrapping layer (501), and the outer sheath layer (503) wraps the surface of the soft iron wire mesh layer (502).