CN215815319U

CN215815319U - High-flame-retardant insulation halogen-free wire cable

Info

Publication number: CN215815319U
Application number: CN202121118719.7U
Authority: CN
Inventors: 曹琪琪; 吴襄宜; 曹豪修; 吴廷荣; 吴大鹏
Original assignee: Hubei Hongqi Yaxing Cable Co ltd
Current assignee: Hubei Hongqi Yaxing Cable Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-02-11
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a high-flame-retardance insulating halogen-free type wire cable which comprises a cable shell layer, wherein a flame-retardant mechanism for preventing the halogen-free cable from burning is arranged in the cable shell layer, the flame-retardant mechanism comprises a central core line, three groups of soluble aluminum plates which are uniformly arranged in a Y shape at equal intervals are fixedly arranged on the central core line, and the central core line and the soluble aluminum plates are integrally formed. According to the utility model, the filling layer is internally provided with the circular through hole, the rectangular groove and the reserved mounting groove which are matched with the soluble aluminum plate, the conducting wire and the central core line in shape, and the size of the latter is slightly larger than that of the former, so that the soluble aluminum plate can move in the circular through hole, the rectangular groove and the reserved mounting groove after being melted, the central core line and the conducting wire can be coated, the conducting wire and the central core line can be protected by covering the soluble aluminum plate, the conducting wire and the central core line in the cable can be still protected when high temperature is received, and the high temperature resistance of the cable is improved.

Description

High-flame-retardant insulation halogen-free wire cable

Technical Field

The application relates to the technical field of cables, in particular to a high-flame-retardant insulating halogen-free wire and cable.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires.

As disclosed in the chinese patent: a direct current medium voltage fire resistant cable, publication no: CN207116081U, increase flame retardant coating, insulating flame retardant coating and copper strips shielding layer in the cable, guaranteed the stability of fire resistance of direct current middling pressure fire-resistant type power cable. The copper strip shielding layer plays a role in fire blocking, and high temperature is prevented from being transmitted to the insulating fire-resistant layer. Because of the addition of the multilayer barrier, oxygen in the air cannot permeate into the insulating fire-resistant layer of the cable, so that the insulating fire-resistant layer (crosslinked polyethylene) of the conductor is only softened and does not melt, the effect of oxidative decomposition is not generated, the cable can normally work within 90 minutes in a fire disaster, but the cable burns when working, the external high temperature of the cable easily ages or damages the internal circuit quickly, and the cable cannot be protected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-flame-retardant insulating halogen-free wire and cable to solve the problems in the background technology.

The embodiment of the application adopts the following technical scheme:

the utility model provides a high fire-retardant insulating no halogen formula wire and cable, includes the cable shell layer, be equipped with the fire-retardant mechanism that prevents the burning of no halogen cable in the cable shell layer, fire-retardant mechanism includes well core line, well core line goes up fixed mounting has three groups of soluble aluminum plate that are Y shape equidistance align to grid, well core line and soluble aluminum plate are integrated into one piece, three groups soluble aluminum plate all laminates with the inner wall on cable shell layer mutually, be provided with the wire on the soluble aluminum plate, and the mid portion of wire all runs through and installs in soluble aluminum plate, the outward appearance shape of wire is the wave, wire and soluble aluminum plate are integrated into one piece.

Preferably, a reinforcing piece for reinforcing the strength of the cable is arranged on the central core line; the reinforcing part comprises a spiral connecting line and a circular clamping column, the spiral connecting line is arranged on three groups of soluble aluminum plates, the appearance shape of the spiral connecting line is spiral, trisection points of the spiral connecting line are positioned in the soluble aluminum plates, the part of the spiral connecting line positioned in the soluble aluminum plates and the soluble aluminum plates are integrally formed, the circular clamping column is fixedly arranged on a central core line, the three groups of circular clamping columns are Y-shaped and wound on the outer side surface of the central core line, the end part of one side of the central core line, away from the circular clamping column, is attached to the inner wall of a cable shell layer, the angle between the adjacent circular clamping column and the soluble aluminum plates is 60 degrees, a filling layer is arranged in the cable shell layer, circular through holes used for clamping and central core lines, reserved mounting grooves used for clamping and conducting wires and rectangular grooves used for clamping and soluble aluminum plates are arranged on the filling layer, the circular through hole is communicated with the rectangular groove.

Preferably, be equipped with the hoist mechanism of the resistant shape of buckling of reinforcing cable in the cable shell layer, hoist mechanism includes the filling block, the filling block sets up in the filling layer, the filling layer is irregular arrangement in the filling block, the outer triangle-shaped toper of outward appearance shape of filling block.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

when the cable is used, the circular clamping columns for connecting the central core line and the cable shell layer are arranged between the central core line and the cable shell layer, when the cable body receives pressure from the outside, the circular clamping columns can support the framework of the cable, the end parts, far away from the central core line, of the three circular clamping columns form isosceles triangles, the supporting effect of the circular clamping columns on the cable shell layer is improved, the cable is prevented from being deformed when the external pressure is received, the compression capacity of the cable is improved, the spiral connecting line penetrates through the soluble aluminum plate along the spiral track to connect the three soluble aluminum plates together, when the soluble aluminum plate is compressed, the soluble aluminum plate cannot be deformed and displaced due to the penetration and fixation of the spiral connecting line, the soluble aluminum plate also has the same fixed and reinforced effect as the circular clamping columns, the cable shell layer is better supported, and the soluble aluminum plate is provided with wavy leads, when the cable body is used, the internal conducting wire cannot be displaced, the stability of current transportation is improved, when a high-temperature fire is received on the cable shell layer, the soluble aluminum plate is affected by temperature and is melted, the filling layer is internally provided with a circular through hole matched with the soluble aluminum plate, the conducting wire and the central core line in shape, the rectangular groove and the reserved mounting groove, the size of the latter is slightly larger than that of the former, the soluble aluminum plate can move in the circular through hole, the rectangular groove and the reserved mounting groove after being melted, the central core line and the conducting wire are coated, the conducting wire and the central core line are protected through the covering of the soluble aluminum plate, the conducting wire and the central core line can be still protected when the high temperature is received, and the high-temperature resistance of the electric wire and the electric cable is improved.

It is two, when using, through at the cable jacket in situ interpolation filling layer, improve whole cable jacket layer inflation degree, let better by the propping of cable jacket layer, improve the anti extrusion ability of cable jacket layer, and be provided with inhomogeneous arrangement's filling block in the filling layer, the filling block can improve the intensity of filling layer, the anti extrusion ability who lets the filling layer uprises, filling block and circular through-hole simultaneously, the rectangular channel, it does not take place the contact to reserve the mounting groove, can not harm inside wire and well core circuit, this device is through the improvement to filling layer intensity, the anti deformability of whole cable body has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic structural diagram of a filling layer according to the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic structural view of a flame retarding mechanism of the present invention;

fig. 5 is a schematic side view of the flame retardant mechanism of the present invention.

In the figure: 1. a cable jacket layer; 11. a core line; 12. a soluble aluminum plate; 13. a wire; 14. a circular clamping column; 15. a spiral connecting wire; 21. a filling layer; 22. a circular through hole; 23. a rectangular groove; 24. reserving a mounting groove; 25. and filling the blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, 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 application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Example 1: referring to fig. 1, 2, 3, 4 and 5, a high flame retardant insulation halogen-free electric wire and cable includes a cable sheath layer 1, a flame retardant mechanism for preventing the halogen-free cable from burning is disposed in the cable sheath layer 1, the flame retardant mechanism includes a central core line 11, three groups of soluble aluminum plates 12 uniformly arranged in a Y shape at equal intervals are fixedly mounted on the central core line 11, the central core line 11 and the soluble aluminum plates 12 are integrally formed, the three groups of soluble aluminum plates 12 are all attached to the inner wall of the cable sheath layer 1, a conductive wire 13 is disposed on the soluble aluminum plate 12, the middle portion of the conductive wire 13 is installed in the soluble aluminum plate 12 in a penetrating manner, the conductive wire 13 has a wave-shaped appearance, the conductive wire 13 and the soluble aluminum plate 12 are integrally formed, and a reinforcing member for reinforcing the cable strength is disposed on the central core line 11; the reinforcing part comprises a spiral connecting line 15 and circular clamping columns 14, the spiral connecting line 15 is arranged on three groups of soluble aluminum plates 12, the appearance shape of the spiral connecting line 15 is spiral, trisection points of the spiral connecting line 15 are positioned in the soluble aluminum plates 12, the part of the spiral connecting line 15, which is positioned in the soluble aluminum plates 12, is integrally formed with the soluble aluminum plates 12, the circular clamping columns 14 are fixedly arranged on the central core line 11, the three groups of circular clamping columns 14 are wound on the outer side surface of the central core line 11 in a Y shape, the end part, which is far away from the central core line 11, of each circular clamping column 14 is attached to the inner wall of the cable shell layer 1, the angle between each adjacent circular clamping column 14 and each soluble aluminum plate 12 is 60 degrees, a filling layer 21 is arranged in the cable shell layer 1, circular through holes 22 used for clamping the central core line 11, reserved mounting grooves 24 used for clamping and conducting wires 13 and rectangular grooves 23 used for clamping and soluble aluminum plates 12 are formed in the filling layer 21, the circular through hole 22 communicates with the rectangular groove 23.

When the cable is used, the circular clamping columns 14 for connecting the central core line 11 and the cable shell layer 1 are arranged between the central core line 11 and the cable shell layer 1, when the cable body receives pressure from the outside, the existence of the circular clamping columns 14 can support the framework of the cable, the end parts, far away from the central core line 11, of the three circular clamping columns 14 form an isosceles triangle, the supporting effect of the circular clamping columns 14 on the cable shell layer 1 is improved, the cable is prevented from deforming when receiving the outside pressure, the pressure bearing capacity of the cable is improved, the spiral connecting line 15 penetrates through the soluble aluminum plate 12 according to a spiral track to connect the three soluble aluminum plates 12 together, when the soluble aluminum plate 12 is pressed, the soluble aluminum plate 12 cannot deform and displace due to the penetration and fixation of the spiral connecting line 15, the soluble aluminum plate 12 also has the same fixing and reinforcing effect as the circular clamping columns 14, and the cable shell layer 1 is better supported, the soluble aluminum plate 12 is provided with the wavy lead 13, when the cable body is used, the lead 13 in the cable body cannot displace, the stability of current transportation is improved, when the cable shell layer 1 receives high temperature and big fire, the soluble aluminum plate 12 melts under the influence of temperature, the filling layer 21 is internally provided with a circular through hole 22, a rectangular groove 23 and a reserved installation groove 24 which are matched with the shapes of the soluble aluminum plate 12, the lead 13 and the central core line 11, and the size of the latter is slightly larger than the former, the soluble aluminum plate 12 can move in the circular through hole 22, the rectangular groove 23 and the reserved installation groove 24 after melting, the cladding of the central core line 11 and the lead 13 is realized, the lead 13 and the central core line 11 are protected through the covering of the soluble aluminum plate 12, and the lead 13 and the central core line 11 in the cable body can still be protected when receiving high temperature, the high temperature resistance of the wire and the cable is improved.

Example 2: referring to fig. 1 and 2, on the basis of the first embodiment, a lifting mechanism for enhancing the bending resistance of the cable is disposed in the cable sheath layer 1, the lifting mechanism includes a filling block 25, the filling block 25 is disposed in the filling layer 21, the filling layer 21 is irregularly arranged in the filling block 25, and the filling block 25 has an outer triangular cone shape.

When using, through add filling layer 21 in cable sheath layer 1, improve 1 inflation degree of whole cable sheath layer, let better quilt of cable sheath layer 1 prop up, improve cable sheath layer 1's anti extrusion ability, and be provided with inhomogeneous arrangement's stuff block 25 in the filling layer 21, stuff block 25 can improve the intensity of filling layer 21, let stuff layer 21's anti extrusion ability uprise, stuff block 25 and circular through-hole 22 simultaneously, rectangular channel 23, reserve mounting groove 24 and do not take place the contact, can not harm inside wire 13 and central core line 11, this device is through the improvement to filling layer 21 intensity, the anti deformability of whole cable body has been improved.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

It should also 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 like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a high fire-retardant insulation does not have steamed formula wire and cable, includes cable sheath layer (1), its characterized in that: the cable sheath layer (1) is internally provided with a flame-retardant mechanism for preventing a halogen-free cable from burning, the flame-retardant mechanism comprises a central core line (11), three groups of soluble aluminum plates (12) which are uniformly arranged in a Y-shaped equidistant manner are fixedly mounted on the central core line (11), the central core line (11) and the soluble aluminum plates (12) are integrally formed, the three groups of soluble aluminum plates (12) are attached to the inner wall of the cable sheath layer (1), a lead (13) is arranged on each soluble aluminum plate (12), the middle part of each lead (13) is installed in each soluble aluminum plate (12) in a penetrating manner, the lead (13) is wavy in appearance, and the lead (13) and the soluble aluminum plates (12) are integrally formed;

a reinforcing piece for reinforcing the strength of the cable is arranged on the central core line (11);

and a lifting mechanism for reinforcing the bending resistance of the cable is arranged in the cable shell layer (1).

2. The high flame retardant insulation halogen-free wire and cable according to claim 1, wherein: the reinforcing piece comprises spiral connecting wires (15) and circular clamping columns (14), wherein the spiral connecting wires (15) are arranged on three groups of soluble aluminum plates (12).

3. The high flame retardant insulation halogen-free wire and cable according to claim 2, wherein: the appearance shape of the spiral connecting line (15) is spiral, trisection points of the spiral connecting line (15) are positioned in the soluble aluminum plate (12), and the part of the spiral connecting line (15) positioned in the soluble aluminum plate (12) and the soluble aluminum plate (12) are integrally formed.

4. The high flame retardant insulation halogen-free wire and cable according to claim 2, wherein: circular calorie of post (14) fixed mounting is on well core line (11), and circular calorie of post (14) of three groups are the Y shape and wind the lateral surface at well core line (11), the tip that well core line (11) that one side was kept away from in circular calorie of post (14) and the inner wall of cable sheath layer (1) are laminated mutually, and are adjacent angle between circular calorie of post (14) and soluble aluminum plate (12) is 60.

5. The high flame retardant insulation halogen-free wire and cable according to claim 1, wherein: be provided with filling layer (21) in cable jacket layer (1), offer circular through-hole (22) that are used for card and well core line (11), be used for card and wire (13) reserve mounting groove (24) and be used for card and soluble aluminum plate (12) rectangular channel (23) on filling layer (21), circular through-hole (22) and rectangular channel (23) are linked together.

6. The high flame retardant insulation halogen-free wire and cable according to claim 5, wherein: the lifting mechanism comprises a filling block (25), the filling block (25) being arranged in the filling layer (21).

7. The high flame retardant insulation halogen-free wire and cable according to claim 6, wherein: the filling layers (21) are irregularly arranged in the filling blocks (25), and the appearance shapes of the filling blocks (25) are in a triangular cone shape.