CN215496059U - Novel environment-friendly high-flame-retardant flexible fireproof cable - Google Patents
Novel environment-friendly high-flame-retardant flexible fireproof cable Download PDFInfo
- Publication number
- CN215496059U CN215496059U CN202122095569.9U CN202122095569U CN215496059U CN 215496059 U CN215496059 U CN 215496059U CN 202122095569 U CN202122095569 U CN 202122095569U CN 215496059 U CN215496059 U CN 215496059U
- Authority
- CN
- China
- Prior art keywords
- layer
- flame
- conductor
- novel environment
- friendly high
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a novel environment-friendly high-flame-retardant flexible fireproof cable which is sequentially provided with a conductor insulation wire core, a filler, a snake-proof cable-forming rounding guarantee layer, a composite belting layer, an anti-adhesion layer and an outer sheath layer from inside to outside; the conductor, the first insulating layer, the second insulating layer and the insulating moisture-proof color separation layer are sequentially arranged on the conductor insulating wire core from inside to outside; the number of the conductor insulation wire cores is 2-4, and fillers are arranged among the conductor insulation wire cores. The CPP band snake-proof forming cable rounding guarantee layer is added after cabling, snake-shaped non-rounding caused by direct wrapping is prevented during cabling, the CPP band snake-proof forming cable rounding guarantee layer can be widely applied to places with high public fire protection and fire protection requirements and strong electromagnetic radiation interference, particularly automatic safety fire protection systems and emergency power supply systems of metallurgy, subway tunnels, stations, airports, power stations, ships, high-rise buildings and the like, the safety, the usability and the functionality of the CPP band snake-proof forming cable rounding guarantee layer can be obviously improved, and the requirement of high safety of the industry and special fields is met.
Description
The technical field is as follows:
the utility model relates to a novel cable structure, in particular to a novel environment-friendly high-flame-retardant flexible fireproof cable, and belongs to the technical field of special fireproof cables.
Background art:
the electricity utilization safety is a worldwide problem, and especially when a fire accident occurs, how to leave sufficient time to ensure people to escape safely, reduce accident loss, ensure safe electrification of a line and smooth signals plays a vital role; in addition, how to improve the fire safety level of key projects, important places, special fields and the like is pursued by people in the cable industry. The fireproof cable is widely used in the fields of commercial buildings, industrial facilities, residential houses and the like at present, is mainly used for fire-fighting emergency, can ensure that electric power and control lines are not short-circuited within a certain time after a fire disaster occurs, and provides a powerful guarantee for fire-fighting rescue.
The conventional fireproof cable is an MI type mineral insulated cable (namely BTT fire-resistant copper pipe wiring) invented in the 90 s of the last century; one is a fire-resistant insulated cable which is formed by coating a conductor with a strip material such as a mica tape to form a fire-resistant layer and forming an insulating layer by the fire-resistant layer and a high polymer material; still another is a flexible fire-resistant cable of the fire-resistant metal insulation cover type. The existing fireproof cables generally have the following problems and difficulties: 1. the installation is complex; 2. the construction intermediate joints are more; 3. poor bending properties; 4. expensive manufacturing equipment and complex process; 5. large terminal pressure drop in case of fire, etc.; 6. the welding seam is easy to crack when the movable bending is carried out; 7. the resource waste is large and the cost is high; 8. the electrical performance is unstable, and the breakdown rate is high; 9. large outside diameter, heavy weight, etc.
The utility model has the following contents:
the technical problem to be solved by the utility model is as follows: the novel environment-friendly high-flame-retardant flexible fireproof cable is simple in production process, can be produced in any length section and in any voltage grade, is various in specification, is convenient to install and lay, and meets the RoHS instruction of European Union.
The technical scheme adopted by the utility model for solving the technical problem is as follows:
a novel environment-friendly high-flame-retardant flexible fireproof cable is sequentially provided with a conductor insulation wire core, a filler, a snake-proof cable-forming rounding guarantee layer, a composite wrapping tape layer, an anti-adhesion layer and an outer sheath layer from inside to outside; the conductor, the first insulating layer, the second insulating layer and the insulating moisture-proof color separation layer are sequentially arranged on the conductor insulating wire core from inside to outside; the number of the conductor insulation wire cores is 2-4, and the filler is arranged between the conductor insulation wire cores.
The conductor is formed by stranding soft copper wires and is a 2-class or 5-class round soft copper stranded conductor.
The first insulating layer is a calcined mineral insulating layer, the second insulating layer is a ceramic fireproof and fireproof composite belt layer, and the first insulating layer and the second insulating layer form a double-insulation structure.
The insulating moisture-proof color separation layer is a crosslinked polyethylene moisture-proof color separation layer.
The filler is composed of a ceramic composite filler.
Prevent that snake formation cable is whole to guarantee the layer and prevent snake formation cable for the CPP area and guarantee the layer.
The composite belting layer consists of a plurality of layers of fireproof ceramic composite belting layers, and the fireproof temperature is 1000-3000 ℃.
The anti-adhesion layer is a polyester tape and prevents the outer sheath from being adhered to the tape.
The outer sheath layer is made of a novel orange high-flame-retardant halogen-free low-smoke polyolefin material, and the oxygen index is more than or equal to 46.
The technical innovation points of the utility model are as follows:
1. the conductor is formed by stranding annealed copper wires (adopting 2-class or 5-class stranded conductors), and has the advantages of softness, large current carrying capacity and the like.
2. Double-insulation structure: the first insulating layer is a glue coated tape of synthetic calcined mineral, is a nano-scale inorganic material, has a temperature resistance level of 1050 ℃, removes crystal water and impurities with loss of voltage and temperature resistance at high temperature, and generates SiO in the combustion process2The compact conductor protective shell with the main structure effectively improves the fire resistance, and has corrosion resistance, high insulation, excellent mechanical property and electrical property.
The second insulating layer is a multilayer ceramic fireproof fire-resistant composite tape wrapping layer, has good flexibility and elasticity in a normal state, good mechanical property, difficult breaking and excellent electrical property, can replace a mica tape in a low-voltage cable for use, and has good high and low temperature resistance, and the normal use temperature is-60 ℃ to +200 ℃; the ceramic shell can be quickly fired into a complete and hard ceramic shell at a high temperature of 1000-3000 ℃ or under flame, does not melt, shrink or drip at the high temperature, and has excellent fire-insulating and heat-insulating effects; the density is small, no water or moisture is absorbed, the storage period is long, and drying treatment is not needed; the processing is simple, the product can be wrapped or longitudinally wrapped, the tightness and the sealing performance are better than those of a mica tape, and the production cost is low; the smoke is low in smoke and halogen free, does not contain phosphorus and nitrogen, does not contain heavy metal, has the smoke toxicity safety level reaching the highest safety level ZA1 level of a high polymer material, does not cause secondary damage to human bodies, and has environmental protection performance in accordance with the EU RoHS instruction; the fireproof and fire-resistant cable produced by adopting the ceramic fireproof and fire-resistant composite belt has excellent fire resistance, and the fire resistance grade can meet the following standard requirements: the CWZ highest fire-resistant grade of the first BS6387 and the BS 8491 has main technical indexes or economic indexes of fire-resistant class A standard GB/T31247B 1 of IEC 60331 standard, GB/T19216 standard and GB/T19666 and 2019 standard, and fourth GA 306.2.
3. The insulating moisture-proof color separation layer is made of a cross-linked polyethylene material, and plays a role in radial water resistance after encountering fire, provides a good barrier for excellent insulating performance, and plays a role in color separation;
4. the filler is made of ceramic composite filler material, and has the performances of high temperature resistance, heat preservation and insulation, fire prevention, flame retardance, corrosion resistance, aging resistance, weather resistance, high strength and the like.
5. Prevent snake and form cable rounding guarantee layer: increase one deck CPP area after the stranding and prevent snake formation cable rounding guarantee layer, receive the influence of the compound soft characteristic of taking of pottery among the filler, prevent directly not rounding of snakelike that the package caused around the package when the stranding, increase one deck CPP area and realize that the cable is round not snakelike.
6. The composite belting layer consists of a plurality of layers of fireproof ceramic composite belting layers, and can be quickly fired into a complete and hard ceramic shell at the high temperature of 1000-3000 ℃ or under flame, and the ceramic shell is not melted, shrunk or dropped at the high temperature and has excellent fire-insulating and heat-insulating effects; and meanwhile, the double protection function is provided for the conductor, and the integrity of the circuit in a high-temperature state is ensured.
7. The anti-adhesion layer is a polyester tape, and the tape and the outer sheath are prevented from being adhered to each other in consideration of the special performance of the fireproof ceramic composite tape.
8. The outer sheath layer is made of novel orange high-flame-retardant halogen-free low-smoke polyolefin material, and the oxygen index is more than or equal to 46.
The utility model has the following positive beneficial effects:
the utility model combines and compensates organic high-insulation materials with excellent electrical performance and environment-friendly inorganic fireproof materials, adopts flexible high-strength fireproof composite materials, and solves the problems of the traditional mineral insulation fireproof cable that: a. the installation is complex; b. the construction intermediate joints are more; c. poor bending properties; d. expensive manufacturing equipment and complex process; e. the terminal pressure drop is large under the fire condition; f. unstable electrical performance, high breakdown rate and the like. Simultaneously also solved the defect of ordinary flexible mineral insulation fireproof cable like: a. the welding seam is easy to crack when the steel plate is bent; b. thick outer diameter, heavy weight and the like. The utility model is innovatively improved, is an updated product of the traditional fireproof cable, and enterprises do not need to introduce new production equipment, so that the production cost is lower.
The utility model belongs to the technical field of special fireproof cables, can be widely applied to places with very high public fire protection and fire protection requirements and strong electromagnetic radiation interference, and particularly to an automatic safety fire protection system and an emergency power supply system of metallurgy, subway tunnels, stations, airports, power stations, ships, high-rise buildings and the like, can obviously improve the safety, usability and functionality of the system, and meets the high-safety requirements of special industries and special fields.
According to the utility model, the CPP band snake-proof cable rounding guarantee layer is added after cabling, snake-shaped non-rounding caused by direct wrapping is prevented during cabling, and the novel environment-friendly high-flame-retardant carbon fiber braided flexible fireproof cable used for electric energy and information transmission is a renewal product of the traditional fireproof cable.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
the utility model will be further explained and explained with reference to the drawings and the specific embodiments:
example 1: referring to fig. 1, a novel environment-friendly high flame retardant flexible fireproof cable is sequentially provided with a conductor insulation wire core, a filler 5, a snake-proof cable-forming roundness guaranteeing layer 6, a composite tape layer 7, an anti-adhesion layer 8 and an outer sheath layer 9 from inside to outside; the conductor insulated wire core is sequentially provided with a conductor 1, a first insulating layer 2, a second insulating layer 3 and an insulating moisture-proof color separation layer 4 from inside to outside; the number of the conductor insulation wire cores is 3, and fillers 5 are arranged among the 3 conductor insulation wire cores.
The conductor 1 is formed by stranding soft copper wires and is a 2-class or 5-class round soft copper stranded conductor.
The first insulating layer 2 is a calcined mineral insulating layer, the second insulating layer 3 is a ceramic fireproof fire-resistant composite belt layer, and the first insulating layer 2 and the second insulating layer 3 form a double-insulation structure.
The insulating moisture-proof color separation layer 4 is a cross-linked polyethylene moisture-proof color separation layer.
The filler 5 consists of a ceramic composite filler.
Prevent snakelike cabling rounding guarantee layer 6 prevents snakelike cabling rounding guarantee layer for the CPP area.
The composite belting layer 7 consists of a plurality of layers of fireproof ceramic composite belting layers, and the fireproof temperature is 1000-3000 ℃.
The anti-adhesion layer 8 is a polyester tape and prevents the outer sheath and the wrapping tape from being adhered to each other.
The outer sheath layer 9 is made of novel orange high flame-retardant halogen-free low-smoke polyolefin material, and the oxygen index is more than or equal to 46.
In the cable structure of the embodiment, the conductor 1 is formed by twisting annealed copper wires (2-type or 5-type twisted conductors), and has the advantages of being soft, large in load current and the like.
The first insulating layer 2 is a synthetic calcined mineral coated tape made of nanoscale inorganic material and resistant toThe temperature can reach 1050 ℃, crystal water and impurities with loss of voltage and temperature resistance are removed at high temperature, and SiO is generated in the combustion process2The compact conductor protective shell with the main structure effectively improves the fire resistance, and has corrosion resistance, high insulation, excellent mechanical property and electrical property.
The second insulating layer 3 is a multilayer ceramic fireproof fire-resistant composite tape wrapping layer, has good flexibility and elasticity in a normal state, good mechanical property, difficult breaking and excellent electrical property, can replace a mica tape in a low-voltage cable, and has good high and low temperature resistance, and the normal use temperature is-60 ℃ to +200 ℃; the ceramic shell can be quickly fired into a complete and hard ceramic shell at a high temperature of 1000-3000 ℃ or under flame, does not melt, shrink or drip at the high temperature, and has excellent fire-insulating and heat-insulating effects; the density is small, no water or moisture is absorbed, the storage period is long, and drying treatment is not needed; the processing is simple, the product can be wrapped or longitudinally wrapped, the tightness and the sealing performance are better than those of a mica tape, and the production cost is low; the smoke is low in smoke and halogen free, does not contain phosphorus and nitrogen, does not contain heavy metal, has the smoke toxicity safety level reaching the highest safety level ZA1 level of a high polymer material, does not cause secondary damage to human bodies, and has environmental protection performance in accordance with the EU RoHS instruction; the fireproof and fire-resistant cable produced by adopting the ceramic fireproof and fire-resistant composite belt has excellent fire resistance, and the fire resistance grade can meet the following standard requirements: the CWZ highest fire-resistant grade of the first BS6387 and the BS 8491 has main technical indexes or economic indexes of fire-resistant class A standard GB/T31247B 1 of IEC 60331 standard, GB/T19216 standard and GB/T19666 and 2019 standard, and fourth GA 306.2.
Wherein the first insulating layer 2 and the second insulating layer 3 constitute a double insulating structure.
The insulating moisture-proof color separation layer 4 is made of a cross-linked polyethylene material, and plays a role in radial water resistance after encountering fire, provides a good barrier for excellent insulating performance, and plays a role in color separation;
the filler 5 is made of ceramic composite filler material, and has the performances of high temperature resistance, heat preservation and insulation, fire prevention, flame retardance, corrosion resistance, aging resistance, weather resistance, high strength and the like.
Prevent snake formation cable rounding guarantee layer 6, receive the influence of the compound soft characteristic of taking of pottery among the filler, prevent directly around the snakelike not rounding that the package caused when the stranding, increase one deck CPP area behind the stranding and prevent snake formation cable rounding guarantee layer.
The composite belting layer 7 consists of a plurality of layers of fireproof ceramic composite belting layers, can be quickly fired into a complete and hard ceramic shell at the high temperature of 1000-3000 ℃ or under flame, and the ceramic shell is not melted, shrunk or dropped at the high temperature and has excellent fire-insulating and heat-insulating effects; and meanwhile, the double protection function is provided for the conductor, and the integrity of the circuit in a high-temperature state is ensured.
The anti-adhesion layer 8 is a polyester tape layer, and the tape and the outer sheath are prevented from being adhered to each other in consideration of the special performance of the fireproof ceramic composite tape-covered material.
The outer sheath layer 9 is made of novel orange high flame-retardant halogen-free low-smoke polyolefin material, and the oxygen index is more than or equal to 46.
Example 2: the structure of this embodiment is basically the same as that of embodiment 1, and the same points are not repeated, except that: the number of the conductor insulation wire cores is 4, and fillers 5 are arranged among the 4 conductor insulation wire cores.
Example 3: the structure of this embodiment is basically the same as that of embodiment 1, and the same points are not repeated, except that: the number of the conductor insulation wire cores is 2, and a filler 5 is arranged between the 2 conductor insulation wire cores.
The utility model combines and compensates organic high-insulation materials with excellent electrical performance and environment-friendly inorganic fireproof materials, adopts flexible high-strength fireproof composite materials, and solves the problems of the traditional mineral insulation fireproof cable that: a. the installation is complex; b. the construction intermediate joints are more; c. poor bending properties; d. expensive manufacturing equipment and complex process; e. the terminal pressure drop is large under the fire condition; f. unstable electrical performance, high breakdown rate and the like. Simultaneously also solved the defect of ordinary flexible mineral insulation fireproof cable like: a. the welding seam is easy to crack when the steel plate is bent; b. thick outer diameter, heavy weight and the like. The utility model is innovatively improved, is an updated product of the traditional fireproof cable, and enterprises do not need to introduce new production equipment, so that the production cost is lower.
The utility model belongs to the technical field of special fireproof cables, can be widely applied to places with very high public fire protection and fire protection requirements and strong electromagnetic radiation interference, and particularly to an automatic safety fire protection system and an emergency power supply system of metallurgy, subway tunnels, stations, airports, power stations, ships, high-rise buildings and the like, can obviously improve the safety, usability and functionality of the system, and meets the high-safety requirements of special industries and special fields.
According to the utility model, the CPP band snake-proof cable rounding guarantee layer is added after cabling, snake-shaped non-rounding caused by direct wrapping is prevented during cabling, and the novel environment-friendly high-flame-retardant carbon fiber braided flexible fireproof cable used for electric energy and information transmission is a renewal product of the traditional fireproof cable.
Claims (9)
1. The utility model provides a novel environment-friendly high flame retardant flexible fireproof cable which characterized in that: the novel environment-friendly high-flame-retardant flexible fireproof cable is sequentially provided with a conductor insulation wire core, a filler (5), a snake-proof cable-forming rounding guarantee layer (6), a composite belting layer (7), an anti-adhesion layer (8) and an outer sheath layer (9) from inside to outside; the conductor insulation wire core is sequentially provided with a conductor (1), a first insulation layer (2), a second insulation layer (3) and an insulation moisture-proof color separation layer (4) from inside to outside; the number of the conductor insulation wire cores is 2-4, and the filler (5) is arranged between the conductor insulation wire cores.
2. The novel environment-friendly high-flame-retardant flexible fireproof cable according to claim 1, characterized in that: the conductor (1) is formed by stranding soft copper wires and is a 2-class or 5-class round soft copper stranded conductor.
3. The novel environment-friendly high-flame-retardant flexible fireproof cable according to claim 1, characterized in that: the first insulating layer (2) is a calcined mineral insulating layer, the second insulating layer (3) is a ceramic fireproof and fireproof composite tape layer, and the first insulating layer (2) and the second insulating layer (3) form a double-insulation structure.
4. The novel environment-friendly high-flame-retardant flexible fireproof cable according to claim 1, characterized in that: the insulating moisture-proof color separation layer (4) is a cross-linked polyethylene moisture-proof color separation layer.
5. The novel environment-friendly high-flame-retardant flexible fireproof cable according to claim 1, characterized in that: the filler (5) consists of a ceramic composite filler.
6. The novel environment-friendly high-flame-retardant flexible fireproof cable according to claim 1, characterized in that: prevent snakelike stranding rounding guarantee layer (6) for the CPP area prevents snakelike stranding rounding guarantee layer.
7. The novel environment-friendly high-flame-retardant flexible fireproof cable according to claim 1, characterized in that: the composite belting layer (7) consists of a plurality of layers of fireproof ceramic composite belting layers, and the fireproof temperature is 1000-3000 ℃.
8. The novel environment-friendly high-flame-retardant flexible fireproof cable according to claim 1, characterized in that: the anti-adhesion layer (8) is a polyester tape and prevents the outer sheath from being adhered to the tape.
9. The novel environment-friendly high-flame-retardant flexible fireproof cable according to claim 1, characterized in that: the outer sheath layer (9) is made of novel orange high-flame-retardant halogen-free low-smoke polyolefin material, and the oxygen index is more than or equal to 46.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122095569.9U CN215496059U (en) | 2021-09-01 | 2021-09-01 | Novel environment-friendly high-flame-retardant flexible fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122095569.9U CN215496059U (en) | 2021-09-01 | 2021-09-01 | Novel environment-friendly high-flame-retardant flexible fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215496059U true CN215496059U (en) | 2022-01-11 |
Family
ID=79766873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122095569.9U Active CN215496059U (en) | 2021-09-01 | 2021-09-01 | Novel environment-friendly high-flame-retardant flexible fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215496059U (en) |
-
2021
- 2021-09-01 CN CN202122095569.9U patent/CN215496059U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202584864U (en) | Fireproof and waterproof type power cable | |
| CN203338847U (en) | Medium-voltage fire-resisting power cable | |
| CN202887789U (en) | Halogen-free fire-proof mud-proof control cable for offshore platform | |
| CN205104284U (en) | Fire -retardant wireless device composite cable | |
| CN209103859U (en) | Data bus cable for rail traffic vehicles | |
| CN215496059U (en) | Novel environment-friendly high-flame-retardant flexible fireproof cable | |
| CN202584870U (en) | Reinforced-type fireproof and waterproof aluminium alloy power cable | |
| CN215577765U (en) | Novel environment-friendly high-flame-retardant carbon fiber woven flexible fireproof cable | |
| CN201994126U (en) | Multifunctional power cable | |
| CN210443320U (en) | Flame-retardant heat-resistant cable | |
| CN202940042U (en) | High-flexibility fireproof cable | |
| CN219105815U (en) | Low-smoke flame-retardant fire-resistant power cable | |
| CN219085707U (en) | 6-35kV rated voltage crosslinked polyethylene insulation flame-retardant environment-friendly power cable | |
| CN206628287U (en) | A kind of light-duty heatproof flexible cable of resistance to fire ecology | |
| CN211906996U (en) | Oxygen-isolating layer copper core aluminum sheath fireproof cable | |
| CN204792049U (en) | Novel dampproofing fireproof cable | |
| CN221406861U (en) | Low-flame-spread high-safety flame-retardant low-voltage power cable for rail transit | |
| CN104112538A (en) | Aluminum-alloy medium-voltage fireproof power cable | |
| CN214476629U (en) | Steel wire reinforced temperature-resistant waterproof medium-voltage crosslinked cable | |
| CN217086236U (en) | Special silicon rubber insulation cable | |
| CN221225881U (en) | Novel high fire-retardant railway signal cable that can bear or endure fire | |
| CN202996404U (en) | Low smoke zero-halogen heat-resisting fireproof power cable | |
| CN215342082U (en) | High flame retardant control cable in oxygen barrier layer | |
| CN209947508U (en) | Low-voltage power cable for small-sized nuclear reactor on sea | |
| CN209912589U (en) | Mica wrapped glass fiber woven fire-resistant high-temperature wire cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |