CN211742764U

CN211742764U - Flame-retardant halogen-free low-smoke power wire

Info

Publication number: CN211742764U
Application number: CN202020545013.8U
Authority: CN
Inventors: 肖芳龙
Original assignee: Shenzhen Darun Electronic Co ltd
Current assignee: Shenzhen Darun Electronic Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-10-23
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a fire-retardant steamed low cigarette electric power electric wire that lacks, which comprises a conductor, the outside cover of conductor has insulating inoxidizing coating, the outside cover of insulating inoxidizing coating has high temperature resistant layer, be provided with the hydrotalcite filler in the high temperature resistant layer, the outside cover on high temperature resistant layer has interior inoxidizing coating, V type recess has been seted up to the inner wall of interior inoxidizing coating, the inslot of V type recess is provided with no halogen fire retardant, the outside cover of interior inoxidizing coating has the oversheath layer, the inside center department on oversheath layer is provided with waterproof enhancement layer. This fire-retardant steamed low cigarette electric power electric wire that lacks, the outside cover through high temperature resistant layer has interior inoxidizing coating, and the V type recess of seting up on the inside wall of inoxidizing coating in the cooperation is convenient for store halogen-free flame retardant, has improved the flame retardant efficiency of interior inoxidizing coating inner structure, and the production of restraining poisonous, corrosive gas has improved the effect of environmental protection.

Description

Flame-retardant halogen-free low-smoke power wire

Technical Field

The utility model belongs to the technical field of the electric power electric wire, concretely relates to fire-retardant steamed low cigarette electric power electric wire that does not have.

Background

The wire and cable industry is the second major industry in China, which is second to the automobile industry, and along with the high-speed development of the wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved. Common PVC insulated wire on the market at present generally has a poor flame retardant effect, and in case the electric wire appears after the ignition point, will cause the outside harmful smog of electric wire to appear by conductor heating, consequently, in order to solve foretell problem, need a fire-retardant steamed low cigarette electric power wire that does not have.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant steamed low cigarette electric power electric wire of nothing to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire-retardant steamed low cigarette electric power wire, includes the conductor, the outside cover of conductor has insulating inoxidizing coating, insulating inoxidizing coating's outside cover has high temperature resistant layer, be provided with the hydrotalcite filler in the high temperature resistant layer, the outside cover on high temperature resistant layer has interior inoxidizing coating, V type recess has been seted up to the inner wall of interior inoxidizing coating, the inslot of V type recess is provided with no halogen-free fire retardant, the outside cover of interior inoxidizing coating has the oversheath layer, the inside center department of oversheath layer is provided with waterproof enhancement layer, the upper and lower both sides of waterproof enhancement layer are provided with the glass fiber layer, the upper and lower both sides of glass fiber.

Preferably, the high temperature resistant layer comprises four groups of conductors and insulating protective layers, and the hydrotalcite filling is respectively arranged around the four groups of insulating protective layers.

The arrangement is used for improving the heat absorption and smoke suppression effects of the hydrotalcite filling on four groups of conductors.

Preferably, the outer side wall of the high-temperature-resistant layer is in contact with the inner side wall of the inner protective layer, and the high-temperature-resistant layer is attached to the opening of the V-shaped groove.

The arrangement is used for improving the sealing effect of the high-temperature resistant layer and the inner protective layer and preventing the leakage of the halogen-free flame retardant.

Preferably, the V-shaped groove is formed in the inner side wall of the inner protective layer in an annular equidistant mode.

The arrangement is used for improving the flame retardant property of the inner protective layer and inhibiting the generation of toxic and corrosive gas.

Preferably, a polyurethane adhesive is coated among the high temperature resistant layer, the inner protective layer and the outer sheath layer, and the inner protective layer is made of tetrafluoroethylene.

This arrangement serves to improve the tightness of the connection of the high temperature resistant layer, the inner protective layer and the outer protective layer.

Preferably, the conductor is a copper core or a nickel-plated copper core or a tin-plated copper core.

The utility model discloses a technological effect and advantage: the flame-retardant halogen-free low-smoke power wire,

1. the conductor is arranged in the high-temperature resistant layer, and the hydrotalcite filler is matched, so that the heat generated by the conductor can be absorbed, and the effects of smoke suppression and smoke elimination are achieved;

2. the inner protective layer is sleeved on the outer side of the high-temperature-resistant layer and matched with the V-shaped groove formed in the inner side wall of the inner protective layer, so that the halogen-free flame retardant is conveniently stored, the flame retardant property of the inner structure of the inner protective layer is improved, the generation of toxic and corrosive gases is inhibited, and the environment-friendly effect is improved;

3. be used for protecting its inner structure through the oversheath layer to improve the outside prevention of seepage water performance of electric wire through waterproof enhancement layer, the glass fiber layer is used for improving the outside heat resistance and the corrosion resistance of electric wire, and the tetrafluoroethylene layer is used for improving the outside high temperature resistance of electric wire.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner part of the outer sheath of the present invention;

fig. 3 is a schematic view of the end of the inner protective layer of the present invention.

In the figure: 1. a conductor; 2. an insulating protective layer; 3. a high temperature resistant layer; 4. a hydrotalcite filler; 5. an inner protective layer; 6. a V-shaped groove; 7. a halogen-free flame retardant; 8. an outer jacket layer; 81. a waterproof reinforcing layer; 82. a glass fiber layer; 83. a layer of tetrafluoroethylene.

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.

The utility model provides a flame-retardant halogen-free low-smoke electric wire as shown in figures 1-3, which comprises a conductor 1, an insulating protective layer 2 is sleeved outside the conductor 1, specifically, the conductor 1 is a copper core or a nickel-plated copper core or a tin-plated copper core, the outer side of the insulating protective layer 2 is sleeved with a high temperature resistant layer 3, specifically, the outer side wall of the high temperature resistant layer 3 is contacted with the inner side wall of the inner protective layer 5, and the high temperature resistant layer 3 is jointed and connected with the opening of the V-shaped groove 6, a hydrotalcite filler 4 is arranged in the high temperature resistant layer 3, concretely, the high temperature resistant layer 3 comprises four groups of conductors 1 and insulating protective layers 2, and hydrotalcite fillers 4 are respectively arranged around the four groups of insulating protective layers 2, the conductor 1 is arranged in the high-temperature resistant layer 3, and the hydrotalcite filler 4 is matched, so that the heat generated by the conductor 1 can be absorbed, and the effects of smoke suppression and smoke elimination are achieved;

an inner protection layer 5 is sleeved on the outer side of the high-temperature resistant layer 3, a plurality of V-shaped grooves 6 are formed in the inner wall of the inner protection layer 5, the V-shaped grooves 6 are annularly and equidistantly formed, a halogen-free flame retardant 7 is arranged in the grooves of the V-shaped grooves 6, the inner protection layer 5 is sleeved on the outer side of the high-temperature resistant layer 3 and matched with the V-shaped grooves 6 formed in the inner wall of the inner protection layer 5, the halogen-free flame retardant 7 is convenient to store, the flame retardant performance of the inner structure of the inner protection layer 5 is improved, the generation of toxic and corrosive gases is inhibited, and the environment-friendly effect is improved;

the outside cover of interior inoxidizing coating 5 has oversheath layer 8, and is concrete, all scribble the polyurethane adhesive between high temperature resistant layer 3, interior inoxidizing coating 5 and the oversheath layer 8, and interior inoxidizing coating 5 makes for tetrafluoroethylene, the inside center department of oversheath layer 8 is provided with waterproof enhancement layer 81, the upper and lower both sides of waterproof enhancement layer 81 are provided with glass fiber layer 82, glass fiber layer 82's upper and lower both sides are provided with tetrafluoroethylene layer 83, are used for protecting its inner structure through oversheath layer 8 to improve the outside prevention of seepage water ability of electric wire through waterproof enhancement layer 81, glass fiber layer 82 is used for improving the outside heat resistance and the anticorrosive nature of electric wire, and the tetrafluoroethylene layer is used for improving the outside high temperature resistant of electric wire.

When the flame-retardant halogen-free low-smoke electric wire is used, the conductor 1 is arranged in the high-temperature-resistant layer 3, and the hydrotalcite filler 4 is matched, so that the heat generated by the conductor 1 can be absorbed, and the effects of smoke suppression and smoke elimination are achieved; the inner protective layer 5 is sleeved outside the high-temperature resistant layer 3, and the halogen-free flame retardant 7 is conveniently stored by matching with the V-shaped groove 6 formed in the inner side wall of the inner protective layer 5, so that the flame retardant property of the inner structure of the inner protective layer 5 is improved, the generation of toxic and corrosive gases is inhibited, and the environment-friendly effect is improved; the outer sheath layer 8 is used for protecting the internal structure of the electric wire, the waterproof reinforcing layer 81 is used for improving the water seepage prevention performance of the external part of the electric wire, the glass fiber layer 82 is used for improving the heat resistance and the corrosion resistance of the external part of the electric wire, and the tetrafluoroethylene layer is used for improving the high temperature resistance of the external part of the electric wire.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A fire-retardant halogen-free low smoke electric power wire, includes conductor (1), its characterized in that: the outer cover of conductor (1) has insulating inoxidizing coating (2), the outside cover of insulating inoxidizing coating (2) has high temperature resistant layer (3), be provided with hydrotalcite filler (4) in high temperature resistant layer (3), the outside cover of high temperature resistant layer (3) has interior inoxidizing coating (5), V type recess (6) have been seted up to the inner wall of interior inoxidizing coating (5), the inslot of V type recess (6) is provided with halogen-free fire retardant (7), the outside cover of interior inoxidizing coating (5) has oversheath layer (8), the inside center department of oversheath layer (8) is provided with waterproof enhancement layer (81), the upper and lower both sides of waterproof enhancement layer (81) are provided with glass fiber layer (82), the upper and lower both sides of glass fiber layer (82) are provided with tetrafluoroethylene layer (83).

2. A flame retardant, halogen free, low smoke power wire, according to claim 1, characterized by: the high-temperature-resistant layer (3) comprises four groups of conductors (1) and insulating protective layers (2), and hydrotalcite fillers (4) are respectively arranged around the four groups of insulating protective layers (2).

3. A flame retardant, halogen free, low smoke power wire, according to claim 1, characterized by: the outer side wall of the high-temperature-resistant layer (3) is in contact with the inner side wall of the inner protective layer (5), and the high-temperature-resistant layer (3) is attached to the opening of the V-shaped groove (6) and connected with the opening.

4. A flame retardant, halogen free, low smoke power wire, according to claim 1, characterized by: the V-shaped groove (6) is in the form of annular equal distance, and a plurality of inner side walls of the inner protective layer (5) are arranged.

5. A flame retardant, halogen free, low smoke power wire, according to claim 1, characterized by: polyurethane adhesives are coated among the high-temperature-resistant layer (3), the inner protective layer (5) and the outer sheath layer (8), and the inner protective layer (5) is made of tetrafluoroethylene.

6. A flame retardant, halogen free, low smoke power wire, according to claim 1, characterized by: the conductor (1) is a copper core or a nickel-plated copper core or a tin-plated copper core.