CN214476578U - Low-smoke halogen-free flame-retardant fireproof cable - Google Patents
Low-smoke halogen-free flame-retardant fireproof cable Download PDFInfo
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- CN214476578U CN214476578U CN202120669411.5U CN202120669411U CN214476578U CN 214476578 U CN214476578 U CN 214476578U CN 202120669411 U CN202120669411 U CN 202120669411U CN 214476578 U CN214476578 U CN 214476578U
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Abstract
The utility model discloses a low smoke and zero halogen flame retardant fireproof cable, including protection component, fixed subassembly and insulating layer subassembly, protection component includes inoxidizing coating, flame retardant coating, fire-retardant layer, waterproof layer and armor, the inside wall of inoxidizing coating bonds in the lateral wall of flame retardant coating, the inside wall of flame retardant coating bonds in the lateral wall of fire-retardant layer, fixed subassembly includes triangle-shaped plate body, rubber pad, through-hole; in the device, the protective layer, the fire-resistant layer and the flame-retardant layer are mutually bonded, so that the protection property in the cable is enhanced, the flame-retardant and heat-insulating capability is improved, the cable is not volatilized when being burnt by fire, corrosive gas is not generated, the pollution to the environment can be reduced, and the safety of personnel is ensured; through setting up the through-hole on the triangular plate body in this device, improve the stability of conductor to collocation elastic support layer, the cable that will produce deformation makes its reconversion through elastic support layer's elasticity performance, is used for strengthening the inner structure of protection cable.
Description
Technical Field
The utility model relates to the technical field of cables, specifically a fire-retardant fireproof cable of low smoke and zero halogen.
Background
Along with the development of economic level, people's life is more and more unable to leave electricity in the present society, a cable is a tool for telecommunication or power transmission, and the cable is generally composed of a cable core formed by stranding a plurality of conductor wire cores and a functional protective sleeve wrapped outside the cable core;
the existing cable is in the use process, and when the cable suddenly burns, toxic gas and dust can be generated in the burning process, so that harm is caused to human safety and environment, and in the transportation process, the cable and the cable are damaged by the extrusion of the self weight of the cable, so that the low-smoke halogen-free flame-retardant fireproof cable is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-retardant fireproof cable of low smoke and zero halogen 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: a low-smoke halogen-free flame-retardant fireproof cable comprises a protective component, a fixing component and an insulating layer component, wherein the protective component comprises a protective layer, a flame-retardant layer, a waterproof layer and an armor layer;
the inner side wall of the protective layer is bonded to the outer side wall of the flame-retardant layer, and the inner side wall of the flame-retardant layer is bonded to the outer side wall of the flame-retardant layer;
the fixing assembly comprises a triangular plate body, a rubber pad, a through hole, a T-shaped sliding groove, an elastic supporting layer and a T-shaped sliding block;
the rubber pads are arranged in three numbers, one side of each rubber pad is bonded to the outer side wall of the triangular plate body, one side, far away from the triangular plate body, of each rubber pad is bonded to the lower surface of the T-shaped sliding block, the outer side wall of the T-shaped sliding block is connected to the inner side wall of the T-shaped sliding groove in a sliding mode, and the T-shaped sliding groove is arranged on the inner side wall of the elastic supporting layer.
Preferably: the inner side wall of the flame-retardant layer is bonded to the outer side wall of the waterproof layer.
Preferably: the insulating layer assembly comprises a conductor, a conductor shielding layer, a semi-conductive shielding layer, an insulating filling layer and a metal shielding layer, wherein the outer side wall of the conductor is bonded to the inner side wall of the conductor shielding layer.
Preferably: the inner side wall of the waterproof layer is bonded to the outer side wall of the armor layer.
Preferably: the outer side wall of the conductor shielding layer is bonded to the inner side wall of the semi-conductive shielding layer.
Preferably: the outer side wall of the semi-conductive shielding layer is bonded to the inner side wall of the insulating filling layer.
Preferably: the outer side wall of the insulating filling layer is bonded to the inner side wall of the metal shielding layer.
Preferably: the inner side wall of the elastic supporting layer is filled with an elastic fireproof filling layer, and the inner side wall of the through hole is connected to the outer side wall of the metal shielding layer in a sliding mode.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the device, the protective layer, the fire-resistant layer and the flame-retardant layer are bonded with each other, so that the protection performance inside the cable is enhanced, the flame-retardant and heat-insulating capability is improved, the cable is not volatilized when being ignited and burnt, corrosive gas is not generated, the pollution to the environment can be reduced, and the personnel safety is ensured.
Through setting up the through-hole on the triangular plate body in two, this device, improve the stability of conductor to collocation elastic support layer will produce the cable of deformation and make its reconversion through elastic support layer's elasticity performance, be used for strengthening the inner structure of protection cable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the protection assembly of the present invention;
fig. 3 is a schematic view of the internal structure of the insulating layer assembly of the present invention;
fig. 4 is a schematic structural diagram of the elastic supporting layer of the present invention.
In the figure: 1. a guard assembly; 101. a protective layer; 102. a refractory layer; 103. a flame retardant layer; 104. a waterproof layer; 105. an armor layer; 2. a fixing assembly; 201. a triangular plate body; 202. a rubber pad; 203. a through hole; 204. a T-shaped chute; 205. a resilient support layer; 206. a T-shaped slider; 3. an insulating layer assembly; 301. a conductor; 302. a conductor shield layer; 303. a semiconductive shield layer; 304. an insulating filling layer; 305. a metal shielding layer; 4. an elastic fireproof filling 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.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a low-smoke halogen-free flame-retardant fireproof cable comprises a protective component 1, a fixing component 2 and an insulating layer component 3, wherein the protective component 1 comprises a protective layer 101, a flame-retardant layer 102, a flame-retardant layer 103, a waterproof layer 104 and an armor layer 105;
the inner side wall of the protective layer 101 is bonded to the outer side wall of the flame retardant layer 102, and the inner side wall of the flame retardant layer 102 is bonded to the outer side wall of the flame retardant layer 103;
the fixing component 2 comprises a triangular plate body 201, a rubber pad 202, a through hole 203, a T-shaped sliding groove 204, an elastic supporting layer 205 and a T-shaped sliding block 206;
the number of the rubber pads 202 is three, one side of each of the three rubber pads 202 is bonded to the outer side wall of the triangular plate body 201, one side, away from the triangular plate body 201, of each of the rubber pads 202 is bonded to the lower surface of the T-shaped sliding block 206, the outer side wall of the T-shaped sliding block 206 is connected to the inner side wall of the T-shaped sliding groove 204 in a sliding mode, and the T-shaped sliding groove 204 is arranged on the inner side wall of the elastic supporting layer 205.
In this embodiment, specifically: the inside wall of fire-retardant layer 103 bonds in the lateral wall of waterproof layer 104, and the material of waterproof layer 104 is high density polyethylene prevention of seepage membrane, has that waterproof nature is strong, the proportion is less, the extensibility is stronger, the adaptability deformability is high, corrosion-resistant, low temperature resistant, freezing resistance is good, can effectually prevent that water from getting into inside the cable, makes inside be in dry state.
In this embodiment, specifically: the insulating layer assembly 3 comprises a conductor 301, a conductor shielding layer 302, a semi-conductive shielding layer 303, an insulating filling layer 304 and a metal shielding layer 305, wherein the outer side wall of the conductor 301 is adhered to the inner side wall of the conductor shielding layer 302, the conductor shielding layer 302 is made of semi-conductive polyethylene serving as a base material and carbon black, and the main effect of the insulating layer assembly is to uniform the electric field on the surface of the electric conductor and prevent the electric conductor and the insulating layer from generating a gap to cause partial discharge, so that the cable is flammable.
In this embodiment, specifically: the inside wall of waterproof layer 104 bonds in armor 105's lateral wall, and the material of armor 105 is steel, has the function of protection cable inner structure to receive the damage when transportation and installation in cable inside.
In this embodiment, specifically: the outer side wall of the conductor shielding layer 302 is bonded to the inner side wall of the semi-conductive shielding layer 303, the semi-conductive shielding layer 303 is made of a polymer material XLPE of ultra-fine metal particles, the thickness of the semi-conductive shielding layer is 0.51mm, and the cable can reduce loss and prevent cable burning caused by partial discharge.
In this embodiment, specifically: the outer side wall of the semi-conductive shielding layer 303 is bonded to the inner side wall insulation filling layer 304 of the insulation filling layer 304, the insulation filling layer 304 is made of cross-linked polyethylene, and the insulation filling layer 304 has comprehensive performances such as environmental stress cracking resistance, chemical corrosion resistance, high temperature resistance, creep resistance and electrical performance, strengthens the protection of the conductor 301, can effectively prevent high temperature, and influences the conductor 301.
In this embodiment, specifically: the outer sidewall of the insulating filling layer 304 is bonded to the inner sidewall of the metal shielding layer 305, and the metal shielding layer 305 is made of iron wire metal mesh, so that the inner structure is protected, and the function of preventing partial discharge is achieved.
In this embodiment, specifically: the inside wall of elasticity supporting layer 205 is filled with elasticity fire prevention filling layer 4, the inside wall sliding connection of through-hole 203 is in the lateral wall of metal shield layer 305, the material of elasticity fire prevention filling layer 4 is ceramic silicon rubber, ceramic silicon rubber is made for basic material through glass ceramic attitude fire-retardant function powder, its material can be under the high temperature and the flame ablation of more than 500 ℃, form hard ceramic form material, be used in on the cable, can form hard casing protection cable after being ablated by high temperature or flame, elasticity has under normal atmospheric temperature state, can effectively protect the inside not damaged of cable, through with metal shield layer 305 sliding connection in through-hole 203, effectively protect fixed metal shield layer 305 and inside not damaged.
In this embodiment: the protective layer 101 is made of a low-smoke halogen-free flame-retardant polyolefin sheath taking high-density polyethylene and ethylene-vinyl acetate copolymer as base materials, and is characterized in that no toxic and harmful gas is generated during combustion, and the generated gas does not cause harm to people; the elastic supporting layer 205 is made of metal rubber, so that the problems of damping, vibration reduction, filtering, sealing, throttling, heat conduction and the like in environments of high temperature, low temperature, high pressure, high vacuum, severe vibration and the like are solved; the fireproof layer 102 is made of mica, and the mica has good elasticity, toughness and insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and other properties, and can also improve the related properties of the cable; the flame-retardant layer 103 is made of halogen-containing polymer, has high temperature resistance, is not volatilized during combustion, does not generate corrosive gas, can reduce pollution to the environment, can prevent people from inhaling, and ensures safety.
The working principle or the structural principle is that when the cable is used, the stability of a cable main body is effectively protected by arranging the protective component 1, the fixing component 2 and the insulating layer component 3, wherein the protective layer 101 is made of a low-smoke halogen-free flame-retardant polyolefin sheath taking high-density polyethylene and ethylene-vinyl acetate copolymer as base materials, and the cable is characterized in that no toxic and harmful gas is generated during combustion, and the generated gas cannot cause harm to people; when the cable main body is protected from deformation, the elastic supporting layer 205 is made of metal rubber, so that the problems of damping, vibration reduction, filtering, sealing, throttling, heat conduction and the like in environments of high temperature, low temperature, high pressure, high vacuum, severe vibration and the like are solved; when the high-temperature resistant function is performed on the inside of the cable, the flame retardant coating 102 is made of mica, and the mica has good elasticity, toughness and insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and other properties, and can also improve the related properties of the cable; when the cable is burnt, the flame-retardant layer 103 is made of halogen-containing polymer or is combined with halogen-containing flame retardant, the cable has high temperature resistance, is not volatilized during burning, does not generate corrosive gas, can reduce pollution to the environment, can prevent people from inhaling, ensures safety, and can effectively prevent water from entering the cable to enable the interior to be in a dry state by arranging the waterproof layer 104 made of high-density polyethylene impermeable film, has the advantages of strong waterproofness, small specific gravity, strong extensibility, high adaptive deformation capability, corrosion resistance, low temperature resistance and good freezing resistance, can effectively prevent water from entering the cable, has the functions of reducing loss and preventing partial discharge and insulating and heat insulation, strengthens and protects the interior from being damaged, when the cable is extruded by weight during transportation and can damage the interior, the armor 105 is pressed by external pressure, so that the elastic supporting layer 205 is pressed to move inwards, the rubber cushion 202 and the elastic fireproof filling layer 4 are buffered, the triangular plate body 201 is pressed by the rubber cushion 202 and the elastic fireproof filling layer 4 to protect the insulating layer assembly 3 from being injured, and when external force disappears, the cable main body is pushed back to the original position through elastic potential energy of the elastic fireproof filling layer 4.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fire-retardant fireproof cable of low smoke and zero halogen, includes protection component (1), fixed subassembly (2) and insulating layer subassembly (3), its characterized in that: the protective component (1) comprises a protective layer (101), a fire-resistant layer (102), a flame-retardant layer (103), a waterproof layer (104) and an armor layer (105);
the inner side wall of the protective layer (101) is bonded to the outer side wall of the fire-resistant layer (102), and the inner side wall of the fire-resistant layer (102) is bonded to the outer side wall of the flame-retardant layer (103);
the fixing assembly (2) comprises a triangular plate body (201), a rubber pad (202), a through hole (203), a T-shaped sliding groove (204), an elastic supporting layer (205) and a T-shaped sliding block (206);
the three rubber pads (202) are arranged, one sides of the three rubber pads (202) are bonded to the outer side wall of the triangular plate body (201), one side, far away from the triangular plate body (201), of the rubber pads (202) is bonded to the lower surface of the T-shaped sliding block (206), the outer side wall of the T-shaped sliding block (206) is connected to the inner side wall of the T-shaped sliding groove (204) in a sliding mode, and the T-shaped sliding groove (204) is arranged on the inner side wall of the elastic supporting layer (205).
2. The low smoke, zero halogen, flame retardant and fireproof cable of claim 1, wherein: the inner side wall of the flame-retardant layer (103) is bonded to the outer side wall of the waterproof layer (104).
3. The low smoke, zero halogen, flame retardant and fireproof cable of claim 1, wherein: the insulating layer assembly (3) comprises a conductor (301), a conductor shielding layer (302), a semi-conductive shielding layer (303), an insulating filling layer (304) and a metal shielding layer (305), wherein the outer side wall of the conductor (301) is adhered to the inner side wall of the conductor shielding layer (302).
4. The low smoke, zero halogen, flame retardant and fireproof cable of claim 1, wherein: the inner side wall of the waterproof layer (104) is bonded to the outer side wall of the armor layer (105).
5. The low smoke, zero halogen, flame retardant and fireproof cable of claim 3, wherein: the outer side wall of the conductor shielding layer (302) is adhered to the inner side wall of the semi-conductive shielding layer (303).
6. The low smoke, zero halogen, flame retardant and fireproof cable of claim 3, wherein: the outer side wall of the semi-conductive shielding layer (303) is adhered to the inner side wall of the insulating filling layer (304).
7. The low smoke, zero halogen, flame retardant and fireproof cable of claim 3, wherein: the outer side wall of the insulating filling layer (304) is adhered to the inner side wall of the metal shielding layer (305).
8. The low smoke, zero halogen, flame retardant and fireproof cable of claim 1, wherein: the inner side wall of the elastic supporting layer (205) is filled with an elastic fireproof filling layer (4), and the inner side wall of the through hole (203) is connected to the outer side wall of the metal shielding layer (305) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120669411.5U CN214476578U (en) | 2021-04-01 | 2021-04-01 | Low-smoke halogen-free flame-retardant fireproof cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120669411.5U CN214476578U (en) | 2021-04-01 | 2021-04-01 | Low-smoke halogen-free flame-retardant fireproof cable |
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| CN214476578U true CN214476578U (en) | 2021-10-22 |
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| CN202120669411.5U Active CN214476578U (en) | 2021-04-01 | 2021-04-01 | Low-smoke halogen-free flame-retardant fireproof cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116994806A (en) * | 2023-09-04 | 2023-11-03 | 南通米兰特电气有限公司 | Wear-resistant type travelling cable for elevator and use method thereof |
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2021
- 2021-04-01 CN CN202120669411.5U patent/CN214476578U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116994806A (en) * | 2023-09-04 | 2023-11-03 | 南通米兰特电气有限公司 | Wear-resistant type travelling cable for elevator and use method thereof |
| CN116994806B (en) * | 2023-09-04 | 2024-04-30 | 南通米兰特电气有限公司 | Wear-resistant type travelling cable for elevator and use method thereof |
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