CN215896015U - Low-smoke environment-friendly halogen-free fire-resistant cable - Google Patents
Low-smoke environment-friendly halogen-free fire-resistant cable Download PDFInfo
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- CN215896015U CN215896015U CN202121827186.XU CN202121827186U CN215896015U CN 215896015 U CN215896015 U CN 215896015U CN 202121827186 U CN202121827186 U CN 202121827186U CN 215896015 U CN215896015 U CN 215896015U
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Abstract
The utility model discloses a low-smoke environment-friendly halogen-free fire-resistant cable which comprises a main body assembly, an environment-friendly protection assembly and a compression-resistant assembly, wherein the main body assembly comprises a conductor, an insulating layer, a flame-retardant layer and a heat-insulating layer; an environment-friendly protection component is arranged outside the main body component; the environment-friendly protection assembly comprises an outer sheath layer, a fireproof layer, an armor layer and a rubber sliding block. According to the utility model, through the arrangement of the outer sheath layer and the fireproof layer, the outer sheath layer is made of LSZH thermoplastic material, halogen or caustic acid is not generated, only a small amount of smoke is generated, even no smoke is generated at all, and flame diffusion is obviously reduced, so that people can escape from a fire area more easily due to all the excellent characteristics, and the dangerous work of firemen is reduced; the LSZH compounds are generally based on polyolefins and incorporate hydrated minerals, thus producing only a less dense white smoke, wherein the material of the fire protection layer is calcium oxide, which is effective in fire protection and flame retardation.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a low-smoke environment-friendly halogen-free fire-resistant cable.
Background
The cable is an electric energy or signal transmission device and generally consists of a plurality of wires or groups of wires; typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation;
the outer sheath of the existing cable is burnt due to external factors, and the existing outer sheath cannot retard the fire and generates a large amount of smoke during burning, so that the rescue environment is poor; when the cable is used and transported, the cable is damaged inside due to the fact that the weight of the cable is high, and therefore the low-smoke environment-friendly halogen-free fire-resistant cable is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-smoke environment-friendly halogen-free fire-resistant cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a low-smoke environment-friendly halogen-free fire-resistant cable comprises a main body assembly, an environment-friendly protection assembly and a compression-resistant assembly, wherein the main body assembly comprises a conductor, an insulating layer, a flame-retardant layer and a heat-insulating layer;
an environment-friendly protection component is arranged outside the main body component;
the environment-friendly protection assembly comprises an outer sheath layer, a fireproof layer, an armor layer and a rubber sliding block;
the inside wall of oversheath layer bond in the lateral wall of flame retardant coating, the inside wall laminating of flame retardant coating in the lateral wall of armor, six rubber slide blocks are installed to the mutual symmetry of inside wall of flame retardant coating.
Preferably: the outer side wall of the main body assembly is provided with a compression-resistant assembly, and the compression-resistant assembly comprises a circular ring rubber plate body, a hexagonal arc rubber plate body, a steel core and a semiconductor shielding layer;
the inside wall of ring rubber plate body bond in the lateral wall of hexagonal arc rubber plate body, six fire-retardant layers are run through to the mutual symmetry of front surface of ring rubber plate body, through external force extrusion ring rubber plate body to make ring rubber plate body extrusion hexagonal arc rubber plate body, because the outward appearance of hexagonal arc rubber plate body is hexagonal arc, conveniently guide external force and release.
Preferably: six chutes are symmetrically formed in the outer side wall of the armor layer, the inner side walls of the chutes are connected to the outer side wall of the rubber slide block in a sliding mode through the rubber slide block in the chutes, the auxiliary fireproof layer moves on the armor layer, and the fireproof layer is convenient to replace.
Preferably: the waterproof layer is bonded on the inner side wall of the armor layer, and the waterproof layer is made of epoxy resin materials, so that the water blocking performance is enhanced, and water is prevented from entering the cable.
Preferably: the lateral wall of conductor bond in the inside wall of insulating layer, the lateral wall of insulating layer bond in the inside wall on fire-retardant layer is formed for the semiconduction non-woven fabrics complex through the material of insulating layer, and the primary function is exactly dampproofing, avoids the cable to be infringed by natural condition and the moist rupture.
Preferably: the outer side wall of the circular rubber plate body is bonded to the inner side wall of the semiconductor shielding layer, the semiconductor shielding layer is made of a semiconductive polyolefin material, and the circular rubber plate body has the advantages of being small in relative density, good in chemical resistance and water resistance, good in mechanical strength, electric insulating property and the like, and can protect an inner cable while insulating.
Preferably: the through hole is formed in the front surface of the circular rubber plate body, the inner side wall of the through hole is attached to the outer side wall of the steel core, and the steel core is conveniently fixed through the through hole.
Preferably: the lateral wall of semiconductor shielding layer bonds in the inside wall of insulating layer, the lateral wall of insulating layer bonds in the inside wall of waterproof layer, and the material through the insulating layer is glass fiber, is an excellent performance's inorganic non-metallic material, and the variety is numerous, and the advantage is that insulating nature is good, the heat resistance is strong, corrosion resistance is good, mechanical strength is high, can effectively insulate against heat, protects inside not influenced by high temperature.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is characterized in that the outer sheath layer and the fire-proof layer are arranged, wherein the outer sheath layer is made of LSZH thermoplastic material, halogen or caustic acid is not generated, only little smoke or even no smoke is generated, and flame spread is obviously reduced, all the excellent characteristics enable people to escape from a fire area more easily, and reduce the dangerous work of firemen; the LSZH compounds are generally based on polyolefins and incorporate hydrated minerals, thus producing only a less dense white smoke, wherein the material of the fire protection layer is calcium oxide, which is effective in fire protection and flame retardation.
The hexagonal arc-shaped rubber plate body is extruded by an external force, so that the hexagonal arc-shaped rubber plate body is extruded by the circular rubber plate body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the area A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the area B of FIG. 1 according to the present invention;
FIG. 4 is a schematic side view of the explosion of the present invention;
FIG. 5 is a side view of the internal structure of the compression resistant assembly of the present invention.
In the figure: 1. a body assembly; 101. a conductor; 102. an insulating layer; 103. a flame retardant layer; 104. a thermal insulation layer; 2. an environment-friendly protection component; 201. an outer jacket layer; 202. a fire barrier layer; 203. an armor layer; 204. a rubber slider; 3. a compression resistant assembly; 301. a circular ring rubber plate body; 302. a hexagonal arc-shaped rubber plate body; 303. a steel core; 304. a semiconductor shielding layer; 4. a chute; 5. a through hole; 6. and a waterproof layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: a low-smoke environment-friendly halogen-free fire-resistant cable comprises a main body component 1, an environment-friendly protection component 2 and a compression-resistant component 3, wherein the main body component 1 comprises a conductor 101, an insulating layer 102, a flame-retardant layer 103 and a heat-insulating layer 104;
an environment-friendly protection component 2 is arranged outside the main component 1;
the environment-friendly protection assembly 2 comprises an outer sheath layer 201, a fireproof layer 202, an armor layer 203 and a rubber sliding block 204;
the inside wall of oversheath layer 201 bonds in the lateral wall of flame retardant coating 202, and the inside wall of flame retardant coating 202 is laminated in the lateral wall of armor 203, and six rubber slide 204 are installed to the mutual symmetry of the inside wall of flame retardant coating 202.
In this embodiment, specifically: the outer side wall of the main body component 1 is provided with a compression-resistant component 3, and the compression-resistant component 3 comprises a circular ring rubber plate body 301, a hexagonal arc rubber plate body 302, a steel core 303 and a semiconductor shielding layer 304;
the inside wall of ring rubber plate body 301 bonds in the lateral wall of hexagonal arc rubber plate body 302, and six fire-retardant layers 103 are run through to the mutual symmetry of front surface of ring rubber plate body 301, through external force extrusion ring rubber plate body 301 to make ring rubber plate body 301 extrusion hexagonal arc rubber plate body 302, because when hexagonal arc rubber plate body 302's outward appearance is hexagonal arc, conveniently guide external force and release, thereby protect conductor 101's safety, can effectively insulate against heat again.
In this embodiment, specifically: six spouts 4 have been seted up to armor 203's the mutual symmetry of lateral wall, and spout 4's inside wall sliding connection is in rubber slider 204's lateral wall, slides in spout 4 through rubber slider 204, and supplementary flame retardant coating 202 removes on armor 203, conveniently changes flame retardant coating 202, and wherein armor 203's setting to the utility layer of inside receives the damage when transportation and installation.
In this embodiment, specifically: the waterproof layer 6 is bonded on the inner side wall of the armor layer 203, wherein the waterproof layer 6 is made of epoxy resin materials, the water blocking performance is enhanced, and water is prevented from entering the cable.
In this embodiment, specifically: the lateral wall of conductor 101 bonds in the inside wall of insulating layer 102, and the lateral wall of insulating layer 102 bonds in the inside wall of fire-retardant layer 103, and the material through insulating layer 102 forms for the semi-conductive non-woven fabrics is compound, and the primary function is exactly dampproofing, avoids the cable to be infringed by natural condition and the moist rupture, and wherein fire-retardant layer 103 material is the fire-retardant resin of polypropylene ethylene, can improve fire-retardant while, can carry out the resistance to compression shock attenuation to the cable again to protection conductor 101.
In this embodiment, specifically: the outer side wall of the annular rubber plate body 301 is bonded to the inner side wall of the semiconductor shielding layer 304, the semiconductor shielding layer 304 is made of a semiconductive polyolefin material, and the annular rubber plate body has the characteristics of small relative density, good chemical resistance and water resistance, good mechanical strength, good electrical insulation property and the like, and can protect an internal cable while insulating.
In this embodiment, specifically: through-hole 5 has been seted up to the front surface of ring rubber plate body 301, and the inside wall laminating of through-hole 5 in the lateral wall of steel core 303, through the setting of through-hole 5, conveniently fixes steel core 303, and wherein the setting of steel core 303 can increase mechanical strength, can have the electrically conductive effect simultaneously again, improves the self intensity of cable, reinforcing life.
In this embodiment, specifically: the outer side wall of the semiconductor shielding layer 304 is bonded on the inner side wall of the heat insulation layer 104, the outer side wall of the heat insulation layer 104 is bonded on the inner side wall of the waterproof layer 6, the heat insulation layer 104 is made of glass fiber, and the heat insulation layer is an inorganic non-metal material with excellent performance, is various in types, has the advantages of being good in insulativity, strong in heat resistance, good in corrosion resistance and high in mechanical strength, can effectively insulate heat, and protects the inside from being influenced by high temperature.
In this embodiment: the outer jacket layer 201 is made of LSZH thermoplastic material, does not generate halogen or caustic acid, generates only a small amount of smoke or even no smoke at all, and has a significantly reduced flame spread; the fireproof layer 202 is made of calcium oxide, so that fireproof and flame-retardant effects can be effectively achieved.
Working principle or structural principle, when in use, when combustible factors exist outside, the outer sheath layer 201 is burnt, wherein the outer sheath layer 201 is made of LSZH thermoplastic material, halogen or caustic acid is not generated, only little smoke or even no smoke is generated, and flame spread is obviously reduced, all the excellent characteristics enable people to escape from a fire area more easily, and reduce dangerous work of firemen; the LSZH compound is usually based on polyolefin to incorporate hydrated minerals, therefore only produce not too dense white smoke, wherein the material of flame retardant coating 202 is calcium oxide, can effectively prevent fires fire-retardant condition and take place, receive external force extrusion ring rubber plate body 301 when the cable to make ring rubber plate body 301 extrusion hexagonal arc rubber plate body 302, because when hexagonal arc rubber plate body 302's outward appearance is hexagonal arc, conveniently guide the release with external force, thereby protect conductor 101's safety.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a low smoke environmental protection does not have steamed fire resisting cable, includes main part subassembly (1), environmental protection subassembly (2) and resistance to compression subassembly (3), its characterized in that: the body assembly (1) comprises a conductor (101), an insulating layer (102), a flame retardant layer (103) and a thermal insulation layer (104);
an environment-friendly protection component (2) is arranged outside the main component (1);
the environment-friendly protection assembly (2) comprises an outer sheath layer (201), a fireproof layer (202), an armor layer (203) and a rubber sliding block (204);
the inside wall of oversheath layer (201) bond in the lateral wall of flame retardant coating (202), the inside wall laminating of flame retardant coating (202) in the lateral wall of armor (203), six rubber slide blocks (204) are installed to the mutual symmetry of inside wall of flame retardant coating (202).
2. The low-smoke environment-friendly halogen-free fire-resistant cable according to claim 1, characterized in that: the outer side wall of the main body component (1) is provided with a compression-resistant component (3), and the compression-resistant component (3) comprises a circular ring rubber plate body (301), a hexagonal arc rubber plate body (302), a steel core (303) and a semiconductor shielding layer (304);
the inside wall of ring rubber plate body (301) bonds in the lateral wall of hexagonal arc rubber plate body (302), six fire-retardant layers (103) are run through to the front surface mutual symmetry of ring rubber plate body (301).
3. The low-smoke environment-friendly halogen-free fire-resistant cable according to claim 1, characterized in that: six sliding grooves (4) are symmetrically formed in the outer side wall of the armor layer (203), and the inner side wall of each sliding groove (4) is connected to the outer side wall of the corresponding rubber sliding block (204) in a sliding mode.
4. The low-smoke environment-friendly halogen-free fire-resistant cable according to claim 1, characterized in that: and a waterproof layer (6) is bonded on the inner side wall of the armor layer (203).
5. The low-smoke environment-friendly halogen-free fire-resistant cable according to claim 1, characterized in that: the outer side wall of the conductor (101) is bonded to the inner side wall of the insulating layer (102), and the outer side wall of the insulating layer (102) is bonded to the inner side wall of the flame-retardant layer (103).
6. The low-smoke environment-friendly halogen-free fire-resistant cable according to claim 2, characterized in that: the outer side wall of the annular rubber plate body (301) is bonded to the inner side wall of the semiconductor shielding layer (304).
7. The low-smoke environment-friendly halogen-free fire-resistant cable according to claim 2, characterized in that: through holes (5) are formed in the front surface of the circular rubber plate body (301), and the inner side walls of the through holes (5) are attached to the outer side walls of the steel core (303).
8. The low-smoke environment-friendly halogen-free fire-resistant cable according to claim 2, characterized in that: the outer side wall of the semiconductor shielding layer (304) is adhered to the inner side wall of the heat insulation layer (104), and the outer side wall of the heat insulation layer (104) is adhered to the inner side wall of the waterproof layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827186.XU CN215896015U (en) | 2021-08-06 | 2021-08-06 | Low-smoke environment-friendly halogen-free fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121827186.XU CN215896015U (en) | 2021-08-06 | 2021-08-06 | Low-smoke environment-friendly halogen-free fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215896015U true CN215896015U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121827186.XU Active CN215896015U (en) | 2021-08-06 | 2021-08-06 | Low-smoke environment-friendly halogen-free fire-resistant cable |
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| Country | Link |
|---|---|
| CN (1) | CN215896015U (en) |
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2021
- 2021-08-06 CN CN202121827186.XU patent/CN215896015U/en active Active
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