CN213183649U

CN213183649U - High temperature resistant wire and cable for real estate

Info

Publication number: CN213183649U
Application number: CN202022056779.2U
Authority: CN
Inventors: 王世峰
Original assignee: Henan East China Cable Co ltd
Current assignee: Henan East China Cable Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-11
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a high temperature resistant wire and cable for real estate, which comprises a cable core and a retainer, wherein the cable core is limited in position by the retainer, an inner bushing wraps the outside of the cable core, a filler is filled between the inner bushing and the retainer, and an outer protective sleeve wraps the outside of the retainer; the halogen-free low-smoke flame-retardant ethylene propylene diene monomer, the halogen-free flame-retardant silane cross-linked POE composite material layer, the three-dimensional woven quartz fiber heat sealing material layer and the basalt fiber reinforced resin matrix composite material layer are arranged, so that the whole body has higher high-temperature resistance; the arrangement of the armor layer enables the interior not to be easily punctured by foreign objects, and the arrangement of the modified chloroprene rubber outer wrapping layer enables the whole exterior to have good wear resistance; due to the arrangement of the retainer, the cable core is not easy to shift and deform integrally.

Description

High temperature resistant wire and cable for real estate

Technical Field

The utility model relates to a wire and cable technical field specifically is a high temperature resistant wire and cable is used to real estate.

Background

With the continuous improvement of living standard of people, the decoration requirements of environments such as workplaces, markets and residences of people are correspondingly improved, and more electric equipment are used without lacking of large-power electric equipment. And inflammable substances such as wood are often used as a finishing material. When the current passing through the electric wire is increased due to the increase of the number of electric devices, the amount of heat generated by the electric wire is increased, and if the heat is not dissipated well, a fire is easily caused. In this case, it is necessary to thicken the conductor of the electric wire and to modify the sheath layer outside the conductor. In addition, in case of fire accident in the environment where the electric wire is located, if the flame retardancy of the electric wire is excellent, the electric wire can be effectively prevented from being damaged by the fire accident, and greater loss is avoided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a real estate is with high temperature resistant wire and cable, have good high temperature resistant and flame retardant property, the cable catches fire when can effectual prevention conflagration breaing out, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant wire cable for real estate comprises a cable core and a retainer, wherein the cable core is limited in position through the retainer, an inner bushing wraps the cable core, a filler is filled between the inner bushing and the retainer, and an outer protective sleeve wraps the retainer;

the outer protective sleeve sequentially comprises a halogen-free low-smoke flame-retardant ethylene propylene diene monomer rubber layer, a halogen-free flame-retardant silane cross-linked POE composite material layer, a three-dimensional woven quartz fiber heat sealing material layer, a basalt fiber reinforced resin matrix composite material layer, an armor layer and a modified chloroprene rubber outer cladding layer from inside to outside.

As a preferred technical scheme of the utility model, three are no less than to the quantity that sets up of cable core, and every cable core all comprises stranded tinned wire, the centre of a circle line on the cross section of tinned wire is the annular and distributes, and the midpoint line of every cable core is on same straight line moreover.

As an optimized technical proposal of the utility model, the neck bush is composed of an insulating protective sleeve, a PBT plastic layer, a sealing ferrule and an aluminum silicate fiber layer in turn from the inner belt to the outer belt.

Compared with the prior art, the beneficial effects of the utility model are that: the high-temperature-resistant wire and cable for real estate, 1, the halogen-free low-smoke flame-retardant ethylene propylene diene monomer, the halogen-free flame-retardant silane cross-linked POE composite material layer, the three-dimensional woven quartz fiber heat sealing material layer and the basalt fiber reinforced resin matrix composite material layer are arranged, so that the whole cable has high-temperature-resistant performance; 2. the arrangement of the armor layer enables the interior not to be easily punctured by foreign objects, and the arrangement of the modified chloroprene rubber outer wrapping layer enables the whole exterior to have good wear resistance; 3. due to the arrangement of the retainer, the cable core is not easy to shift and deform integrally.

Drawings

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

Fig. 2 is the schematic diagram of the internal structure of the outer protective sheath of the present invention.

Figure 3 is the utility model discloses cable core inner structure schematic diagram.

Fig. 4 is a schematic view of the internal structure of the inner bushing of the present invention.

In the figure: 1 cable core, 2 holders, 3 fillers, 4 inner linings, 5 outer protective jackets, 6 tinned copper wires, 7 insulating protective jackets, 8 PBT plastic layers, 9 sealing ferrules, 10 aluminum silicate fiber layers, 11 halogen-free low-smoke flame-retardant ethylene propylene diene monomer rubber layers, 12 halogen-free flame-retardant silane cross-linked POE composite material layers, 13 three-dimensional woven quartz fiber heat sealing material layers, 14 basalt fiber reinforced resin matrix composite material layers, 15 armor layers and 16 modified chloroprene rubber outer cladding layers.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a high temperature resistant electric wire and cable for real estate comprises a cable core 1 and a retainer 2, wherein the cable core 1 is limited in position by the retainer 2, an inner bushing 4 wraps the cable core 1, a filler 3 is filled between the inner bushing 4 and the retainer 2, and an outer protective sleeve 5 wraps the retainer 2;

the outer protective sleeve 5 is sequentially provided with a halogen-free low-smoke flame-retardant ethylene propylene diene monomer rubber layer 11, a halogen-free flame-retardant silane cross-linked POE composite material layer 12, a three-dimensional woven quartz fiber heat sealing material layer 13, a basalt fiber reinforced resin matrix composite material layer 14, an armor layer 15 and a modified chloroprene rubber outer cladding layer 16 from inside to outside, a secondary response surface test design method is applied to research out the halogen-free low-smoke flame-retardant ethylene propylene diene monomer LSOH-EPDM cable insulating material, LSOH-EPDM rubber materials of flame-retardant systems with 67 parts of magnesium aluminum hydrotalcite, 53 parts of aluminum hydroxide and 59 parts of magnesium hydroxide respectively have good flame retardant property, high temperature resistance and oil resistance, a silane cross-linking technology is used for modifying polyolefin elastomer POE, magnesium hydroxide is used as a main halogen-free flame retardant, EVA is used as a compatibilizer between cross-linked POE and magnesium hydroxide, the halogen-free flame-retardant silane cross-linked POE composite material layer 12 is prepared by using different flame-retardant synergists such as Melamine Cyanurate (MCA), a phosphorus-nitrogen composite flame retardant (ZR3), a silicon-containing organic flame retardant (ASBP) and the like to cooperate with flame-retardant magnesium hydroxide, and has excellent mechanical property and flame retardant property, excellent processing property, excellent electrical property and high-temperature aging resistance, different weaving structures and weaving process parameters are designed by utilizing the flexibility of quartz fibers and the compression rebound property and the air tightness of a porous structure of a three-dimensional fabric, and the halogen-free flame-retardant silane cross-linked POE composite material layer is integrally woven by a three-dimensional. On the basis of raw material selection and preparation, experimental research and analysis are carried out according to the air tightness test standard of the porous medium, the influence of compression ratio, pressure difference and weaving process parameters on the air tightness of a sample is further analyzed, a three-dimensional weaving quartz fiber heat sealing material layer 13 is established, basalt fibers are novel green high-performance inorganic materials, and the basalt fibers play an important role in practical application along with the continuous development of economy and the promotion of industrialization in China. .

Preferably: three are no less than to the quantity that sets up of cable core 1, and every cable core 1 all comprises stranded tinned wire 6, and the centre of a circle line on the cross section of tinned wire 6 is the annular and distributes, and the mid point line of every cable core 1 is on same straight line moreover, and whole difficult emergence is deformed.

Preferably: the inner lining 4 is provided with an insulating protective sleeve 7, a PBT plastic layer 8, a sealing ferrule 9 and an aluminum silicate fiber layer 10 from the inside to the outside in sequence, so that the cable core 1 has a good insulating layer on the outside.

When in use: through the parcel of modified chloroprene rubber surrounding layer 16, make holistic outside have good wear resistance, carry out the separation through armor 15 when receiving the thorn of foreign object and drawing, avoid the foreign object to cause the damage to the structure within armor 15, by steamed low smoke flame retardant EPDM rubber layer 11 between armor 15 and neck bush 4, steamed flame retardant silane cross-linking POE combined material layer 12, three-dimensional quartz fiber heat sealing material layer 13 and the constitution of basalt fiber reinforced resin matrix combined material layer 14 are woven, every kind of structure all has good high temperature resistant effect, and when receiving the impact of external force, disperse the impact force that receives through holder 2, make the power that each position department received roughly the same.

The utility model discloses: according to the high-temperature-resistant wire and cable for the real estate, the halogen-free low-smoke flame-retardant ethylene propylene diene monomer, the halogen-free flame-retardant silane cross-linked POE composite material layer, the three-dimensional woven quartz fiber heat sealing material layer and the basalt fiber reinforced resin-based composite material layer are arranged, so that the whole cable has high-temperature resistance; the arrangement of the armor layer enables the interior not to be easily punctured by foreign objects, and the arrangement of the modified chloroprene rubber outer wrapping layer enables the whole exterior to have good wear resistance; due to the arrangement of the retainer, the cable core is not easy to shift and deform integrally.

Claims

1. The utility model provides a high temperature resistant wire and cable for real estate, includes cable core (1) and holder (2), its characterized in that: the cable core (1) is limited in position through a retainer (2), an inner bushing (4) wraps the cable core (1), a filler (3) is filled between the inner bushing (4) and the retainer (2), and an outer protective sleeve (5) wraps the retainer (2);

the outer protective sleeve (5) sequentially comprises a halogen-free low-smoke flame-retardant ethylene propylene diene monomer rubber layer (11), a halogen-free flame-retardant silane cross-linked POE composite material layer (12), a three-dimensional woven quartz fiber heat sealing material layer (13), a basalt fiber reinforced resin matrix composite material layer (14), an armor layer (15) and a modified chloroprene rubber outer cladding layer (16) from inside to outside.

2. The high-temperature resistant electric wire and cable for real estate according to claim 1, wherein: three are no less than in the quantity that sets up of cable core (1), and every cable core (1) all comprises stranded tinned wire (6), the centre of a circle line on the cross section of tinned wire (6) is the annular and distributes, and the mid point line of every cable core (1) is on same straight line again.

3. The high-temperature resistant electric wire and cable for real estate according to claim 1, wherein: the inner lining (4) is composed of an insulating protective sleeve (7), a PBT plastic layer (8), a sealing ferrule (9) and an aluminum silicate fiber layer (10) in sequence from the inside to the outside.