CN214505090U

CN214505090U - Novel environment-friendly flame-retardant fire-resistant electric wire with long service life

Info

Publication number: CN214505090U
Application number: CN202022687751.9U
Authority: CN
Inventors: 戴琪; 杨杰; 杨军华
Original assignee: Jiangsu Xinfeng Cable Co ltd
Current assignee: Jiangsu Xinfeng Cable Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-10-26
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a novel environmental protection fire-retardant fire-resistant electric wire of long-life belongs to the wire and cable field, including fire-retardant inoxidizing coating, clearance fire-retardant filler and fire-retardant cable core, be equipped with at least a set of fire-retardant cable core in the fire-retardant inoxidizing coating, pack in fire-retardant cable core and fire-retardant inoxidizing coating inner space and be equipped with clearance fire-retardant filler; the halogen-free flame-retardant belt wraps a flame-retardant cable core, the outer layer of the halogen-free flame-retardant belt wraps a flame-retardant protective inner layer, the outer wall of the flame-retardant protective inner layer wraps a high-temperature-resistant rubber layer, a metal protective net layer is sheathed outside the high-temperature-resistant rubber layer, and the outer layer of the flame-retardant protective net layer wraps the flame-retardant protective outer layer; the utility model discloses have good fire behaviour, ensured that the metal electric wire can increase of service life under high temperature, layer structure adopts the environmental protection material, can not decompose the production toxic gas under high temperature, and green is pollution-free, has improved the holistic mechanical properties of electric wire, has prolonged the life of electric wire.

Description

Novel environment-friendly flame-retardant fire-resistant electric wire with long service life

The technical field is as follows:

the utility model relates to a wire and cable field, concretely relates to fire-retardant fire-resistant electric wire of long-life novel environmental protection.

Background art:

the electric wire and cable are the main components for transmitting and distributing electric energy in the lines of various large electric appliances, and the improvement of the stability and safety of electric power transmission is always an important direction for the development of cable technology and products. When a fire breaks out in a building, the wires and cables are not only burned out in the fire, but also spread the fire, causing increased loss and damage. The existing electric wire and cable has short survival time in high-temperature or fire environment, the circuit even aggravates fire dangerous situations, toxic gas and the like can be produced during combustion, and the environment is seriously polluted. Therefore, the utility model provides a fire-retardant fire-resistant electric wire of novel environmental protection of long-life to solve not enough and shortcoming that prior art exists.

The utility model has the following contents:

the utility model aims at overcoming the shortcomings of the prior art and providing a novel environment-friendly flame-retardant fire-resistant electric wire with long service life.

The utility model adopts the technical proposal that:

the novel environment-friendly flame-retardant fire-resistant electric wire with the long service life comprises a flame-retardant protective layer, gap flame-retardant filler and a flame-retardant cable core, wherein at least one group of flame-retardant cable cores are arranged in the flame-retardant protective layer, and the gap flame-retardant filler is filled in the flame-retardant cable core and the inner space of the flame-retardant protective layer; the flame-retardant protective layer comprises a flame-retardant protective outer layer, a metal protective net layer, a high-temperature-resistant rubber layer, a flame-retardant protective inner layer and a halogen-free flame-retardant belt, the flame-retardant cable core is wrapped by the halogen-free flame-retardant belt, the flame-retardant protective inner layer is wrapped by the halogen-free flame-retardant belt, the high-temperature-resistant rubber layer is wrapped by the halogen-free flame-retardant belt, the metal protective net layer is armored by the high-temperature-resistant rubber layer, and the flame-retardant protective outer layer is wrapped by the metal protective net layer.

Preferably, the flame-retardant cable core comprises a porcelain silicone rubber flame-retardant layer, an insulating layer and a metal wire, wherein the insulating layer is wrapped on the outer layer of the metal wire, and the porcelain silicone rubber flame-retardant layer is wrapped on the outer layer of the insulating layer.

Preferably, tensile flame-retardant cotton threads are arranged between the gap flame-retardant fillers, and three tensile flame-retardant cotton threads are arranged on two sides of the cable core of the flame-retardant cable respectively.

Preferably, the outer surface of the flame-retardant protective layer is coated with a fireproof coating.

Preferably, the flame-retardant protective outer layer and the flame-retardant protective inner layer are both modified chlorinated polyethylene rubber.

Preferably, the metal protective net layer is a metal copper wire mesh.

Preferably, the high-temperature resistant rubber layer in the flame-retardant protective layer is flame-retardant silicone rubber.

Preferably, the insulating layer in the flame-retardant cable core is a silane crosslinked polyethylene insulating layer.

The utility model has the advantages that: the layer structure of the electric wire ensures the flame-retardant and fireproof performance of the whole electric wire, and the combination of the multiple layers of flame-retardant and weather-resistant material layers improves the mechanical performance of the whole electric wire and prolongs the service life of the electric wire; the utility model discloses an outer combination of fire-retardant cable core is outside guaranteeing the insulation with the metal electric wire through porcelain silicon rubber flame retardant coating and insulating layer, has good flame retardant property and has ensured that the metal electric wire can prolong service life under high temperature, and layer structure adopts the environmental protection material, can not decompose the production toxic gas under high temperature, and green is pollution-free, has apparent practicality.

Description of the drawings:

FIG. 1: the utility model discloses a three-dimensional structure schematic diagram.

FIG. 2: the utility model discloses a local cross-sectional view.

FIG. 3: the cross-sectional view of the utility model.

In the figure: 001. the cable comprises a flame-retardant protective layer, 101, a flame-retardant protective outer layer, 102, a metal protective net layer, 103, a high-temperature-resistant rubber layer, 104, a flame-retardant protective inner layer, 105, a halogen-free flame-retardant belt, 002, a gap flame-retardant filler, 003, a flame-retardant cable core, 301, a porcelain silicon rubber flame-retardant layer, 302, an insulating layer, 303, a metal wire, 004, a tensile flame-retardant cotton wire, 005 and a fireproof coating.

The specific implementation mode is as follows:

the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1-3, the novel environment-friendly flame-retardant fire-resistant electric wire with long service life comprises a flame-retardant protective layer 001, gap flame-retardant filler 002 and a flame-retardant cable core 003, wherein at least one group of flame-retardant cable cores 003 is arranged in the flame-retardant protective layer 001, and the gap flame-retardant filler 002 is filled in the flame-retardant cable core 003 and the flame-retardant protective layer 001; the flame-retardant protective layer 001 comprises a flame-retardant protective outer layer 101, a metal protective net layer 102, a high-temperature resistant rubber layer 103, a flame-retardant protective inner layer 104 and a halogen-free flame-retardant wrapping tape 105, the halogen-free flame-retardant wrapping tape 105 wraps a flame-retardant cable core 003, the halogen-free flame-retardant wrapping tape 105 wraps the flame-retardant protective inner layer 104, the high-temperature resistant rubber layer 103 wraps the flame-retardant protective inner layer 104, the metal protective net layer 102 is armored outside the high-temperature resistant rubber layer 103, and the flame-retardant protective outer layer 101 wraps outside the metal protective net layer 102.

The further optimization of the scheme is set as follows: as shown in the figure, the flame-retardant cable core 003 comprises a ceramic silicon rubber flame-retardant layer 301, an insulating layer 302 and a metal wire 303, wherein the insulating layer 302 is wrapped on the outer layer of the metal wire 303, and the ceramic silicon rubber flame-retardant layer 301 is wrapped on the outer layer of the insulating layer 302.

The further optimization of the scheme is set as follows: as shown in fig. 1-3, the tensile flame-retardant cotton threads 004 are arranged between the gap flame-retardant fillers 002, three tensile flame-retardant cotton threads 004 are respectively arranged on two sides of the flame-retardant cable core 003, and the tensile property of the electric wire is remarkably improved by the six tensile flame-retardant cotton threads 004 arranged in total.

The further optimization of the scheme is set as follows: as shown in fig. 1 to 3, the outer surface of the flame-retardant protective layer 001 is coated with a fire-retardant coating 005, and the fire-retardant coating 005.

The further optimization of the scheme is set as follows: as shown in fig. 1-3, the flame-retardant protective outer layer 101 and the flame-retardant protective inner layer 104 are both modified chlorinated polyethylene rubber, and the modified chlorinated polyethylene rubber has excellent flame-retardant and fireproof properties and weather resistance, and can effectively protect the flame-retardant cable core 003.

The further optimization of the scheme is set as follows: as shown in fig. 1 to 3, the metal protection mesh layer 102 is a copper wire mesh, and the metal protection mesh layer 102 serves as a framework support of the electric wire, so that the tensile property and the compressive property of the electric wire are increased, and the interior of the electric wire is effectively protected.

The further optimization of the scheme is set as follows: as shown in fig. 1 to 3, the high temperature resistant rubber layer 103 in the flame retardant protective layer 001 is made of flame retardant silicone rubber, which not only has excellent toughness and improves the bending resistance of the wire, but also improves the flame retardant property of the wire.

The further optimization of the scheme is set as follows: as shown in fig. 1-3, the insulating layer 302 in the flame retardant cable core 003 is a silane crosslinked polyethylene insulating layer.

The utility model discloses a use method or principle do: the flame-retardant protective layer comprises an outer flame-retardant protective layer 101, a metal protective net layer 102, a high-temperature-resistant rubber layer 103, an inner flame-retardant protective layer 104 and a halogen-free flame-retardant band 105, the outer flame-retardant protective layer 101 and the inner flame-retardant protective layer 104 have good weather resistance and flame retardance, the electric wire is durable and flame-retardant, the metal protective net layer 102 plays a role in supporting the framework of the electric wire, the tensile strength and the compressive strength of the electric wire are improved, the electric wire is effectively protected inside, the halogen-free flame-retardant band 105 further improves the flame retardance of the electric wire, toxic gas cannot be decomposed at the early high temperature of the layer structure, the gap flame-retardant filler 002 effectively protects the flame-retardant cable 003, and the outermost ceramic silicon rubber flame-retardant layer 301 and the insulating layer of the flame-retardant cable core 003 both guarantee the stable safety of the metal wire 303.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a fire-retardant fire-resistant electric wire of novel environmental protection of long-life which characterized in that: the cable comprises a flame-retardant protective layer (001), gap flame-retardant filler (002) and a flame-retardant cable core (003), wherein at least one group of the flame-retardant cable core (003) is arranged in the flame-retardant protective layer (001), and the gap flame-retardant filler (002) is filled in the flame-retardant cable core (003) and the inner space of the flame-retardant protective layer (001); the flame-retardant protective layer (001) comprises a flame-retardant protective outer layer (101), a metal protective net layer (102), a high-temperature-resistant rubber layer (103), a flame-retardant protective inner layer (104) and a halogen-free flame-retardant wrapping tape (105), the flame-retardant cable core (003) is wrapped by the halogen-free flame-retardant wrapping tape (105), the flame-retardant protective inner layer (104) is wrapped by the outer layer of the halogen-free flame-retardant wrapping tape (105), the high-temperature-resistant rubber layer (103) is wrapped by the outer layer of the flame-retardant protective inner layer (104), the metal protective net layer (102) is armored by the outer layer of the high-temperature-resistant rubber layer (103), and the flame-retardant protective outer layer (101) is wrapped by the outer layer of the metal protective net layer (102).

2. The long-life novel environment-friendly flame-retardant fire-resistant electric wire as recited in claim 1, characterized in that: the flame-retardant cable core (003) comprises a porcelain silicon rubber flame-retardant layer (301), an insulating layer (302) and a metal wire (303), wherein the insulating layer (302) is wrapped on the outer layer of the metal wire (303), and the porcelain silicon rubber flame-retardant layer (301) is wrapped on the outer layer of the insulating layer (302).

3. The long-life novel environment-friendly flame-retardant fire-resistant electric wire as recited in claim 1, characterized in that: tensile flame-retardant cotton threads (004) are arranged between the gap flame-retardant fillers (002), and the tensile flame-retardant cotton threads (004) are located on two sides of the flame-retardant cable core (003) respectively and are three.

4. The long-life novel environment-friendly flame-retardant fire-resistant electric wire as recited in claim 1, characterized in that: the outer surface of the flame-retardant protective layer (001) is coated with a fireproof coating (005).

5. The long-life novel environment-friendly flame-retardant fire-resistant electric wire as recited in claim 1, characterized in that: the flame-retardant protective outer layer (101) and the flame-retardant protective inner layer (104) are both modified chlorinated polyethylene rubber.

6. The long-life novel environment-friendly flame-retardant fire-resistant electric wire as recited in claim 1, characterized in that: the metal protection net layer (102) is a metal copper wire mesh.

7. The long-life novel environment-friendly flame-retardant fire-resistant electric wire as recited in claim 1, characterized in that: the high-temperature resistant rubber layer (103) in the flame-retardant protective layer (001) is made of flame-retardant silicone rubber.

8. The long-life novel environment-friendly flame-retardant fire-resistant electric wire as claimed in claim 2, characterized in that: the insulating layer (302) in the flame-retardant cable core (003) is a silane crosslinked polyethylene insulating layer.