CN217485137U - Double-layer co-extrusion convenient home decoration electric wire with long service life - Google Patents
Double-layer co-extrusion convenient home decoration electric wire with long service life Download PDFInfo
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- CN217485137U CN217485137U CN202221246768.3U CN202221246768U CN217485137U CN 217485137 U CN217485137 U CN 217485137U CN 202221246768 U CN202221246768 U CN 202221246768U CN 217485137 U CN217485137 U CN 217485137U
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Abstract
The utility model discloses a double-deck crowded convenient house ornamentation electric wire for high life altogether in electric wire field, including the oversheath, the inside of oversheath is provided with embossing metal sheath, and embossing metal sheath is inside crowded to be wrapped up and is had inorganic mineral to separate the oxygen flame retardant coating, separates the inside sinle silk that has of oxygen flame retardant coating, the sinle silk includes copper conductor, synthetic mica tape, inner insulating layer and outer insulating layer, the outer cladding of copper conductor has synthetic mica tape, the surface in synthetic mica tape is located to the inner insulating layer cover, the surface of inner insulating layer is located to the outer insulating layer cover, the inner insulating layer is irradiation crosslinked polyethylene, the outer insulating layer is irradiation crosslinked polyolefin, the oversheath is halogen-free low smoke polyolefin material.
Description
Technical Field
The utility model relates to an electric wire field specifically is a double-deck crowded high life is with convenient house ornamentation electric wire altogether.
Background
The electric wire is a product with few cores, small product diameter and simple structure and is used as a material for electric power, communication and related transmission purposes, the electric wire consists of one or more soft conducting wires, and a light and soft protective layer is wrapped outside the electric wire; the cable is composed of one or more insulated wires and is covered by a tough outer layer made of metal or rubber.
Along with the heavy construction, the tunnel, the hospital, the school, shopping mall etc. are more and more high to the fire prevention demand of electric wire, ordinary electric wire can not satisfy the demand in market, traditional electric wire all is with single as finished product delivery simultaneously, need cut out many times the electric wire of many different colours like this in the work progress, the poling, certain work load has been increased, and it also can be more difficult to the later stage poling, simultaneously because the poling resistance is great easily causes the insulating damage of electric wire, lead to later stage to use the trouble, cause electric fire even, therefore, technical staff in the field provides a double-deck crowded high life is with convenient house ornamentation electric wire altogether, in order to solve the problem that proposes among the above-mentioned background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-deck crowded high life is with convenient house ornamentation electric wire altogether 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 double-deck crowded high life is with convenient house ornamentation electric wire altogether, includes the oversheath, the inside of oversheath is provided with the line copper sheath that rolls, the inside of line copper sheath is provided with inorganic mineral and separates the oxygen flame retardant coating, inorganic mineral separates the inside sinle silk that is provided with of oxygen flame retardant coating, the sinle silk includes copper conductor, flame retardant coating, inner insulating layer and outer insulating layer, the surface of copper conductor is located to the flame retardant coating, the flame retardant coating surface is located to the inner insulating layer cover, the surface of inner insulating layer is located to the outer insulating layer cover.
As a further aspect of the present invention: the fire-resistant layer is a synthetic mica tape.
As a further aspect of the present invention: the inner insulating layer is irradiation crosslinked polyethylene, and the outer insulating layer is irradiation crosslinked polyolefin.
As a further aspect of the present invention: the inorganic mineral oxygen-insulating fireproof layer is formed by mixing magnesium hydroxide or aluminum hydroxide powder with other additives.
As a further aspect of the present invention: the embossing metal sheath is a copper strip.
As the utility model discloses further scheme again: the outer sheath is made of halogen-free low-smoke polyolefin material.
As the utility model discloses further scheme again: the number of the wire cores is three, and the wire cores are twisted in pairs to form cables.
As the utility model discloses further scheme again: the copper conductor is a single solid conductor.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, through the oversheath, embossing metal sheath, inorganic mineral separates oxygen flame retardant coating and sinle silk, can constitute the electric wire, and simple structure, and reasonable design, adopt the flame retardant coating, the inner insulating layer, the outer insulating layer, inorganic mineral separates the setting of oxygen flame retardant coating, embossing metal sheath and oversheath, the fire behavior of having solved current electric wire and electric wire need tailor many times, the poling difficulty, poling easily harms the insulating problem that leads to insulation resistance to reduce simultaneously, electrical fault appears even, can effectively improve the life of house ornamentation electric wire, and the installation is convenient, the fire proofness, the environmental protection type, and safety.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is a schematic diagram of the structure core of the present invention.
In the figure: 1. an outer sheath; 2. embossing the metal sheath; 3. an inorganic mineral oxygen-insulating fireproof layer; 4. a wire core; 21. a copper conductor; 22. a refractory layer; 23. an inner insulating layer; 24. an outer insulating layer.
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. 1-3, in the embodiment of the present invention, a convenient home decoration wire with a double-layer co-extrusion long service life includes an outer sheath 1, the outer sheath 1 is an extruded outer sheath, and is made of a halogen-free low-smoke flame-retardant polyolefin material, which has good mechanical properties; the smoke-free flame-retardant plastic also has excellent safety and environmental protection, does not delay combustion, does not drip, does not cause secondary damage to human bodies, and has the smoke density and the light transmittance of over 80 percent. The embossing metal sheath 2 is arranged inside the outer sheath 1, the embossing metal sheath 2 is made of copper strips, the melting point of the copper strips is 1083 ℃, and the fireproof performance of the electric wire is effectively improved. An inorganic mineral oxygen-insulating fire-proof layer 3 is arranged in the embossing metal sheath 2, the inorganic mineral oxygen-insulating fire-proof layer is formed by mixing magnesium hydroxide or aluminum hydroxide powder with other additives, and Mg (OH) 2 The polymer of the flame retardant releases crystal water when being heated and decomposed, and absorbs a large amount of latent heat, so that the temperature rise of the flame retardant polymer is inhibited, the thermal decomposition of the polymer is delayed, and the combustion speed is reduced; the crystal water released in the decomposition process is changed into water vapor at a higher temperature, so that the concentration of oxygen and combustible gas near the surface of the polymer is reduced, and the combustion of the surface of the polymer is prevented to a certain extent; second, Mg (OH) 2 The layer can be carbonized on the surface of the polymer to prevent oxygen and heat from entering; meanwhile, the MgO product generated by decomposition is also a good refractory material, the flame resistance of the polymer material is improved,the purpose of isolating air and preventing combustion is achieved. The inorganic mineral separates the inside of oxygen flame retardant coating 3 and is equipped with sinle silk 2, and sinle silk 2 includes copper conductor 21, flame retardant coating 22, inner insulation 23 and outer insulating layer 24. The fire-resistant layer 22 is made of synthetic mica tape, and the temperature resistance of the fire-resistant layer can reach 950-. The inner insulating layer 22 is radiation cross-linked polyethylene, the cable is radiation cross-linked by high-energy electron beam generated by an electron accelerator, the insulating layer of the cable is changed into a three-dimensional net structure from a linear molecular structure, the radiation cross-linked polyethylene has the advantages of good dielectric property, high temperature resistance and water resistance, the outer insulating layer 23 is radiation cross-linked polyolefin insulating material, after extrusion molding, the insulating layer is bombarded by the high-energy electron beam generated by the electron accelerator, high molecular chains are broken, each broken point is a free radical which is unstable and needs to be recombined, the original chain-shaped molecular structure is changed into the three-dimensional net molecular structure to form cross-linking after recombination, the cross-linked polyolefin insulating layer has the characteristics of excellent low smoke, zero halogen, flame retardance, high heat resistance, excellent physical machinery, ageing resistance and the like, the mica tape fire-resistant layer 22 is arranged on the surface of the copper conductor 21, the inner insulating layer 23 is sleeved on the surface of the fire-resistant layer 22, and the outer insulating layer 24 is sleeved on the surface of the inner insulating layer 23.
Through oversheath, embossing metal sheath, inorganic mineral separates oxygen flame retardant coating and sinle silk, can constitute the electric wire, moreover, simple structure, reasonable in design, adopt oversheath, embossing metal sheath, inorganic mineral separates the setting of oxygen flame retardant coating and sinle silk, solved current electric wire need tailor many times, the poling difficulty, poling easily damages insulating problem that leads to insulation resistance to reduce, electrical fault appears even, can effectively improve the life of house ornamentation electric wire, it is convenient to install, the fire proofness, the environment-friendly, the security.
In this embodiment, the inner insulation layer 23 is irradiation crosslinked polyethylene, the outer insulation layer 24 is irradiation crosslinked polyolefin, and the inner insulation layer 23 and the outer insulation layer 24 are extruded outside the copper conductor 21 of the fire-resistant layer 22 by a double-layer co-extrusion technique.
In this embodiment, the inorganic mineral oxygen-insulating and fire-proof layer 3 is formed by mixing magnesium hydroxide or aluminum hydroxide powder with other additives.
In the present embodiment, the embossed metal sheath 2 is a copper tape.
In the present embodiment, the outer sheath 1 is a halogen-free low-smoke polyolefin material.
In the present embodiment, the number of the cores 4 is three, and the pair twisting is cabled.
In this embodiment, the copper conductor 21 is a single solid conductor, the single core copper conductor 21 has no gap between the conductors, thereby reducing the air and moisture entering the conductor gap, and making the cable have the advantages of being not easy to oxidize and short-circuit current impact resistance.
The utility model discloses a theory of operation is: the core 4 is provided with a fire-resistant layer 22, the fire-resistant layer 22 is made of synthetic mica tape, the temperature resistance of the mica tape can reach 950-. The inner insulating layer 23 is arranged outside the fire-resistant layer 22, so that the dielectricity, high temperature resistance and water resistance can be improved, and the outer insulating layer 24 has the characteristics of excellent low smoke, zero halogen, fire resistance, high heat resistance, excellent physical and mechanical properties, ageing resistance and the like, so that the usability of the cable can be improved.
The cable core 4 is externally provided with an inorganic mineral oxygen-insulating fireproof layer 3, the inorganic mineral oxygen-insulating fireproof layer 3 is formed by mixing magnesium hydroxide or aluminum hydroxide powder with other additives, Mg (OH) 2 The polymer of the flame retardant releases crystal water when being heated and decomposed, and absorbs a large amount of latent heat, so that the temperature rise of the flame retardant polymer is inhibited, the thermal decomposition of the polymer is delayed, and the combustion speed is reduced; the crystal water released in the decomposition process is changed into water vapor at a higher temperature, so that the concentration of oxygen and combustible gas near the surface of the polymer is reduced, and the combustion of the surface of the polymer is prevented to a certain extent; second, Mg (OH) 2 The layer can be carbonized on the surface of the polymer to prevent oxygen and heat from entering; meanwhile, the MgO product generated by decomposition is also a good refractory material, so that the flame resistance of the polymer material is improved, and the purpose of isolating air and preventing combustion is achieved.
The embossing metal sheath 2 is arranged outside the inorganic mineral oxygen-insulating fireproof layer 3, the embossing metal sheath adopts a copper strip, the melting point of the copper strip is 1083 ℃, and the fireproof performance of the electric wire is effectively improved.
The outer sheath 1 is arranged on the embossing metal sheath 2, so that the halogen-free, low-smoke and light-transmitting properties of the cable are effectively improved, and meanwhile, the sheath plays a good role in protecting the cable.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a double-deck crowded high life is with convenient house ornamentation electric wire altogether, includes oversheath (1), its characterized in that: the utility model discloses a fire-retardant coating, including oversheath (1), the inside of oversheath (2) is provided with line metal sheath (2), line metal sheath (2) is inside to be set up inorganic mineral and separates oxygen flame retardant coating (3), inorganic mineral separates oxygen flame retardant coating (3) inside and is provided with sinle silk (4), and sinle silk (4) contain copper conductor (21), flame retardant coating (22), inner insulating layer (23) and outer insulating layer (24), the surface of flame retardant coating (22) is located in the cladding of flame retardant coating (22), the skin of flame retardant coating (22) is located in inner insulating layer (23) cover, the surface of inner insulating layer (23) is located in outer insulating layer (24) cover.
2. The double-layer co-extrusion long-life convenient home decoration electric wire according to claim 1, characterized in that: the copper conductor (21) is a single solid conductor.
3. The double-layer co-extrusion long-life convenient home decoration electric wire according to claim 1, characterized in that: the fire-resistant layer (22) is a synthetic mica tape.
4. The double-layer co-extrusion long-life convenient home decoration electric wire according to claim 1, characterized in that: the inner insulating layer (23) is irradiation cross-linked polyethylene, and the outer insulating layer (24) is irradiation cross-linked polyolefin.
5. The double-layer co-extrusion long-life convenient home decoration electric wire according to claim 1, characterized in that: the embossing metal sheath (2) is a copper strip.
6. The double-layer co-extrusion long-life convenient home decoration electric wire according to claim 1, characterized in that: the outer sheath (1) is a halogen-free low-smoke polyolefin sheath material.
7. The double-layer co-extrusion long-life convenient home decoration electric wire according to claim 1, characterized in that: the number of the wire cores (4) is three, and the wire cores are twisted in pairs to form a cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221246768.3U CN217485137U (en) | 2022-05-23 | 2022-05-23 | Double-layer co-extrusion convenient home decoration electric wire with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221246768.3U CN217485137U (en) | 2022-05-23 | 2022-05-23 | Double-layer co-extrusion convenient home decoration electric wire with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217485137U true CN217485137U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221246768.3U Active CN217485137U (en) | 2022-05-23 | 2022-05-23 | Double-layer co-extrusion convenient home decoration electric wire with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217485137U (en) |
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2022
- 2022-05-23 CN CN202221246768.3U patent/CN217485137U/en active Active
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