CN218214676U

CN218214676U - Integrated cable and integrated device thereof

Info

Publication number: CN218214676U
Application number: CN202222763550.1U
Authority: CN
Inventors: 孙磊; 黄晓宝; 肖本国; 何立群; 唐小龙; 叶青云
Original assignee: Anhui Guodian Cable Co ltd
Current assignee: Anhui Guodian Cable Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-03
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses an integrated cable and an integrated device thereof, belonging to the cable field, comprising a cable core and a protective sleeve, wherein the cable core is arranged inside the protective sleeve, and the integrated cable is characterized in that the cable core is formed by twisting conductors; a wrapping layer is wound on the outer side of the cable core; a high-temperature resistant layer is arranged on the outer side of the wrapping layer; a flame retardant layer is arranged on the outer side of the high temperature resistant layer; a cavity is formed in one side, close to the high-temperature resistant layer, of the flame-retardant layer; the cavity is filled with flame retardant gas; compared with the prior art, the cable core of the integrated cable is formed by twisting a plurality of conductors, so that the flexibility of the cable is improved; meanwhile, kevlar fiber is used as a tensile layer, so that the tensile property of the integrated cable is improved; in addition, the insulating layer is composed of the inner insulating layer and the outer insulating layer which are extruded by the double-layer co-extrusion equipment at the same time, so that the anti-cracking effect is higher compared with a single-layer insulating layer extruded at one time.

Description

Integrated cable and integrated device thereof

Technical Field

The utility model relates to a cable field, concretely relates to integrated cable and integrated device thereof.

Background

An integrated cable is generally a rope-like cable formed by twisting several or several groups of conductors (at least two in each group), each group of conductors being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering; the cable has the characteristics of internal electrification and external insulation. The existing part of cables are not strong in tensile strength, and are easy to break under external force when in use, so that the normal use of the cables is influenced; accordingly, an integrated cable is proposed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an integrated cable and integrated device thereof.

The purpose of the utility model can be realized by the following technical scheme:

an integrated cable comprises a cable core and a protective sleeve, wherein the cable core is arranged inside the protective sleeve and is formed by twisting conductors; a wrapping layer is wound on the outer side of the cable core; a high-temperature resistant layer is arranged on the outer side of the wrapping layer; a flame-retardant layer is arranged on the outer side of the high-temperature-resistant layer; a cavity is formed in one side, close to the high-temperature resistant layer, of the flame-retardant layer; the cavity is filled with flame-retardant gas; an insulating layer is arranged on the outer side of the flame-retardant layer; the insulating layer consists of an inner insulating layer and an outer insulating layer which are simultaneously extruded by double-layer co-extrusion equipment; a shielding layer is arranged on the inner side of the protective sleeve; and a tensile layer is arranged between the shielding layer and the insulating layer.

Furthermore, the conductor is a silver-plated copper wire with the diameter of 0.1 mm-0.2 mm; the cable core is formed by twisting 19 conductors; the cable core is formed by adopting a structure of 1+6+12 through regular twisting.

Further, the high-temperature resistant layer is an asbestos fiber braided layer; the inner wall of the asbestos fiber braided layer is covered with an iron oxide red silica gel layer.

Further, the tensile layer is formed by winding Kevlar fibers.

Furthermore, the protective sleeve adopts irradiation cross-linked flame-retardant polyolefin; the shielding layer adopts a copper mesh braid.

Furthermore, the wrapping layer is made of glass fiber ribbons; the insulating layer is made of fluorinated ethylene propylene.

In another aspect, an integrated device is also provided, which includes an upper seat and a lower seat; the lower seat is symmetrically provided with fixed seats; the fixed seats are provided with grooves; one side of the two fixing seats, which is far away from each other, is provided with a fixing hole; the fixing hole is communicated with the groove; the upper seat is symmetrically provided with inserting pieces; the insert is embedded into the groove; the insert pieces are provided with triangular blocks in the fixing holes; the triangular block is a right-angle triangular block; one right-angle surface of the triangular block is attached to the inserting piece, and the other right-angle surface of the triangular block props against the inner wall of the fixing hole; the inserting sheet has elasticity; the upper seat, the fixed seat and the lower seat are wrapped with the integrated cable; one side of the upper seat close to the inserting piece is symmetrically and fixedly provided with two first connecting seats; two connecting seats II are symmetrically and fixedly arranged on one side of the lower seat, which is far away from the fixed seat; the first connecting seat and the second connecting seat are both provided with connecting holes.

The utility model has the advantages that:

the cable core of the integrated cable is formed by twisting a plurality of conductors, so that the flexibility of the cable is improved; meanwhile, kevlar fiber is used as a tensile layer, so that the tensile property of the integrated cable is improved; in addition, the insulating layer is composed of the inner insulating layer and the outer insulating layer which are simultaneously extruded by double-layer co-extrusion equipment, so that the insulating layer has a higher anti-cracking effect compared with a single-layer insulating layer extruded at one time.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of a cable construction of the present application;

fig. 2 is a schematic diagram of the integrated device according to the present application.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", etc. indicate an orientation or positional relationship only for the convenience of description of the present invention and to simplify the description, and do not indicate or imply that the component 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.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means 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 do not necessarily 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.

An integrated cable comprises a cable core 1 and a protective sleeve 8, wherein the cable core 1 is arranged inside the protective sleeve 8, and the cable core 1 is formed by twisting conductors; the stranded conductors are adopted for stranding, so that the flexibility of the cable core 1 can be improved, and the cable core 1 is prevented from being broken when the cable core 1 is stretched and twisted; the outer side of the cable core 1 is wound with a wrapping layer 2, the wrapping layer 2 is used for tightly wrapping the cable core 1 to prevent loosening, and the wrapping layer 2 can be aluminum foil, copper foil, mica tape, glass fiber and the like;

a high-temperature resistant layer 3 is arranged on the outer side of the wrapping layer 2, and the high-temperature resistant layer 3 is made of a high-temperature resistant material; a flame-retardant layer 4 is arranged on the outer side of the high-temperature resistant layer 3; a cavity 9 is arranged on one side of the flame-retardant layer 4 close to the high-temperature resistant layer 3; the cavity 9 is filled with flame-retardant gas; the flame retardant gas is a gas for preventing combustion, such as carbon dioxide, nitrogen, rare gas and the like; when the cable core 1 generates heat to cause spontaneous combustion, the cavity 9 in the flame-retardant layer 4 is broken to release flame-retardant gas, and the flame-retardant gas isolates oxygen to prevent other objects from burning due to the cable core 1;

an insulating layer 5 is arranged on the outer side of the flame-retardant layer 4; the insulating layer 5 consists of an inner insulating layer 5 and an outer insulating layer 5 which are extruded simultaneously by double-layer co-extrusion equipment; compared with a single-layer insulating layer 5 extruded at one time, the anti-cracking coating has higher anti-cracking effect. The insulation thickness of each layer is controlled through layering, and the phenomenon that the insulation layer 5 cracks due to the fact that the thickness of the single-layer insulation layer 5 is too thick is avoided;

the inner side of the protective sleeve 8 is provided with a shielding layer 7, and the shielding layer 7 is used for preventing external signal interference; a tensile layer 6 is arranged between the shielding layer 7 and the insulating layer 5; the tensile layer 6 is used for improving the tensile property of the cable, and the tensile layer 6 is necessarily pulled when the cable is pulled, so that the cable cannot be broken before the tensile layer 6 is not broken; the tensile layer 6 can be steel wire, stainless steel foil, kevlar fiber, high-flexibility composite PU and the like.

In some embodiments, the conductor is a silver-plated copper wire with a diameter of 0.1mm to 0.2 mm; the cable core 1 is formed by twisting 19 conductors; the cable core 1 is formed by adopting a structure of 1+6+12 through regular twisting; the number of the conductors 1 can be 7, and the conductors are normally twisted by adopting a structure of 1+ 6; the stranded conductor can improve the flexibility of the cable.

In some embodiments, the high temperature resistant layer 3 is a woven layer of asbestos fibres; the inner wall of the asbestos fiber braided layer is covered with an iron oxide red silica gel layer; the asbestos fiber braided layer has excellent fire-resistant and high-temperature-resistant properties and can bear various impacts; the iron oxide red silica gel layer has good water sealing performance and high temperature resistance.

In some embodiments, the tensile layer 6 is wound from kevlar fibers; the tensile strength of the Kevlar fiber is 4 times that of common organic fiber, and the modulus of the Kevlar fiber is 9 times that of terylene; the Kevlar layer formed by the Kevlar fiber has good flexibility and protects the optical fiber from being damaged.

In some embodiments, the protective sleeve 8 is made of irradiation cross-linked flame-retardant polyolefin, and the irradiation cross-linked flame-retardant polyolefin has certain flame-retardant performance and certain wear-resistant and weather-resistant performance, so that the cable can be effectively protected; the shielding layer 7 adopts a copper mesh woven layer, and the copper mesh woven layer can effectively prevent external signal interference.

In some embodiments, the wrapping layer 2 is glass ribbon; the insulating layer 5 is made of fluorinated ethylene propylene which has good high temperature resistance and can be used for a long time within the range of minus 60 to plus 200 ℃.

On the other hand, when the cable is used, a plurality of integrated cables are usually required to be laid, so that the cables are gathered together and are arranged to be laid neatly; an integrated device is also provided, which comprises an upper seat 10 and a lower seat 13; the lower seat 13 is symmetrically provided with fixed seats 14; the fixed seats 14 are provided with grooves 15; one side of the two fixed seats 14, which is far away from each other, is provided with a fixed hole 16; the fixing hole 16 is communicated with the groove 15; the upper seat 10 is symmetrically provided with inserting pieces 11; the insert 11 is embedded into the groove 15; triangular blocks 12 are arranged in the fixing holes 16 of the inserting pieces 11; the triangular block 12 is a right-angled triangular block; one right-angle surface of the triangular block 12 is attached to the inserting sheet 11, and the other right-angle surface of the triangular block 12 props against the inner wall of the fixing hole 16; the insert 11 has elasticity; the upper seat 10, the fixed seat 14 and the lower seat 13 are wrapped with the integrated cable; one side of the upper seat 10 close to the inserting piece 11 is symmetrically and fixedly provided with two connecting seats I17; two connecting seats II 18 are symmetrically and fixedly arranged on one side of the lower seat 13 far away from the fixed seat 14; the first connecting seat 17 and the second connecting seat 18 are provided with connecting holes 19;

when in use, the triangular block is pressed to enable the two inserting pieces 11 to deflect towards the inner side; then, the upper seat 10 is drawn out, and then the integrated cable is placed among the upper seat 10, the fixed seat 14 and the lower seat 13 and then is clamped again; after the integrated devices are installed on the plurality of integrated cables, the connecting seat II 18 and the connecting seat I17 are connected through a screw passing through the connecting hole 19; after the two sides are connected, the integrated cables are arranged in a row and are arranged in order through the integrated device; simultaneously, the integrated device can be added and removed at any position of the integrated cable, and can be quickly and fixedly installed after the number of the integrated cables is increased.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. An integrated cable comprises a cable core (1) and a protective sleeve (8), wherein the cable core (1) is arranged inside the protective sleeve (8), and is characterized in that the cable core (1) is formed by twisting conductors; a lapping layer (2) is wound on the outer side of the cable core (1); a high-temperature resistant layer (3) is arranged on the outer side of the wrapping layer (2); a flame-retardant layer (4) is arranged on the outer side of the high-temperature resistant layer (3); a cavity (9) is formed in one side, close to the high-temperature-resistant layer (3), of the flame-retardant layer (4); the cavity (9) is filled with flame-retardant gas; an insulating layer (5) is arranged on the outer side of the flame-retardant layer (4); the insulating layer (5) consists of an inner insulating layer (5) and an outer insulating layer (5) which are extruded simultaneously by double-layer co-extrusion equipment; a shielding layer (7) is arranged on the inner side of the protective sleeve (8); and a tensile layer (6) is arranged between the shielding layer (7) and the insulating layer (5).

2. The integrated cable of claim 1, wherein the conductor is a silver-plated copper wire with a diameter of 0.1mm to 0.2 mm; the cable core (1) is formed by twisting 19 conductors; the cable core (1) is formed by adopting a structure of 1+6+12 through regular twisting.

3. -the integrated cable according to claim 1, characterized in that said high-temperature resistant layer (3) is a woven layer of asbestos fibres; the inner wall of the asbestos fiber braided layer is covered with an iron oxide red silica gel layer.

4. An integrated cable according to claim 1, characterized in that the tensile layer (6) is wound from kevlar.

5. -integrated cable according to claim 1, characterized in that said protective sheath (8) is made of an irradiation cross-linked flame-retardant polyolefin; the shielding layer (7) adopts a copper mesh braid.

6. The integrated cable according to claim 1, wherein the wrapping layer (2) is made of glass ribbon; the insulating layer (5) is made of fluorinated ethylene propylene.

7. An integrated device, characterized in that it comprises an upper seat (10) and a lower seat (13); the lower seat (13) is symmetrically provided with fixed seats (14); the fixed seats (14) are respectively provided with a groove (15); one side of the two fixed seats (14) which is deviated from each other is provided with a fixed hole (16); the fixing hole (16) is communicated with the groove (15); the upper seat (10) is symmetrically provided with inserting pieces (11); the insert (11) is embedded into the groove (15); triangular blocks (12) are arranged in the fixing holes (16) of the inserting pieces (11); the triangular blocks (12) are right-angled triangular blocks;

one right-angle surface of the triangular block (12) is attached to the inserting sheet (11), and the other right-angle surface of the triangular block (12) props against the inner wall of the fixing hole (16); the insert sheet (11) has elasticity; -said upper seat (10), fixed seat (14) and lower seat (13) enclose an integrated cable according to any one of claims 1 to 6; one side of the upper seat (10) close to the inserting piece (11) is symmetrically and fixedly provided with two first connecting seats (17); two second connecting seats (18) are symmetrically and fixedly arranged on one side, away from the fixed seat (14), of the lower seat (13); the first connecting seat (17) and the second connecting seat (18) are both provided with connecting holes (19).