CN202205484U - Safe environmental protection type waterproof fireproof cable - Google Patents
Safe environmental protection type waterproof fireproof cable Download PDFInfo
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- CN202205484U CN202205484U CN2011202930488U CN201120293048U CN202205484U CN 202205484 U CN202205484 U CN 202205484U CN 2011202930488 U CN2011202930488 U CN 2011202930488U CN 201120293048 U CN201120293048 U CN 201120293048U CN 202205484 U CN202205484 U CN 202205484U
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Abstract
The utility model relates to a safe environmental protection type waterproof fireproof cable, comprising a cable inner core, and a cable outer layer, characterized in that the cable inner core is formed by a conductive cable core, a fireproof layer, and insulating shielding layers, wherein the fireproof layer is configured to wind and wrap the conductive cable core, and the three insulating shielding layers are orderly arranged outside the fireproof layer through extrusion; and the cable outer layer are orderly formed by a semiconductor electric waterproof belt, an inner liner layer, a copper wire copper belt combined shielding layer, a semiconductor electric waterproof buffer belt, an aluminium foil, and an expansion type halogen-free flame retarding protective layer. According to the technical scheme, the safe environmental protection type waterproof fireproof cable improves the fireproofing effect, waterproofing effect, safety and reliability, and is especially suitable for coastal areas with high humidity and a high fireproof demand.
Description
Technical field
The utility model patent relates to a kind of environmental protection and safety type cable of electric energy transmitting, particularly a kind of low smoke and zero halogen fail safe cable with the specific function that blocks water, prevents fires.
Background technology
At present, fire safety conditional requests such as domestic skyscraper, oil, mine, metallurgy, boats and ships, power station, subway, tunnel are high, employed cable insulation; Restrictive coating mostly adopts the insulating material of Halogen; In a single day fire spreads, and not only can produce a large amount of dense smoke, and can produce the very strong hydrogen halide of corrosivity with " secondary disaster "; Jeopardize people's life, harm equipment and contaminated environment.The existence that in fire rescue scene and offshore oil platform, offshore wind farm, tunnel, also can produce a large amount of water impels the electric property of cable sharply to descend, even can make that cable is inner blows out because of making moist, and influence is rescued and operate as normal.Along with the high speed development of World Economics and World Environment Organization to requirement on environmental protection, suddenly wait to develop the environmental type safety cable to satisfy the needs of human kind sustainable development, this is the development trend of countries in the world, also is the global people's common heartfelt wishes.
At present, domestic various architectural engineering permanent wirings are the products that has a large capacity and a wide range with electric wire, are widely used in the various building systems.The insulating barrier of common cable mostly adopts the insulating material of Halogen; Will propagating combustion once fire; And produce a large amount of harmful smog and hydrogen halide with strong corrosion property, form " secondary disaster ", in case breaking out of fire in the building; Both entail dangers to life also can serious environment pollution.These cable pliabilitys are poor again, are difficult to bending fold, and heat resistance is also poor, and are easy permeable, are difficult to apply.
The utility model content
The purpose of the utility model patent is that a kind of fire prevention, waterproof, nontoxic, environmental protection, safe will be provided; Be more suitable for still keeping under the specific disaster scenario security personnel of energising; Disaster relief power supply and fire extinguishing are reported to the police, illumination; The employed low smoke and zero halogen of emergency power supply of communication etc., the reliable cable of non-toxic and non-pollution green safety---the environmental protection and safety type fireproof cable that blocks water.Problems such as the heat resistance that the flexible cable of prior art exists is poor, water resistance is poor, pliability is low have also been solved simultaneously effectively.
The utility model patent design environmental protection and safety type fireproof cable that blocks water; Comprise cable inner core, cable outer layer; It is characterized in that: the cable inner core is made up of conductor wire core, flame retardant coating, insulation screen; Flame retardant coating is wrapped on conductor wire core, is three-layer co-extruded insulation screen outside flame retardant coating, and cable outer layer is made up of block water buffer strip, aluminium foil, halogen-free intumescent flame-retardant protective layer of semiconductive waterstop, inner covering, copper wire copper strips combination screen, semiconductive from inside to outside according to this.It is characterized in that: the cable inner core in the cable outer layer can have more than one three or four or five.It is characterized in that: the conductor wire core of cable inner core is regular many conductor monofilament that twist together, and the conductor monofilament is through soft round copper wire or zinc-plated round copper wire after softening, is provided with the semiconductive water-proofing powder in the gap between each conductor monofilament.It is characterized in that: conductor wire core is by some soft thin round copper wire or the tinned copper wires that diameter is identical, and by bundle strand, the stranded formation of combination of strand with one heart, and each level is made according to different directions and pitch strand and formed in succession.It is characterized in that: the soft thin round copper wire of said conductor wire core or tinned copper wire are the very good high purity oxygen free copper material of electricapparatus performance.It is characterized in that: insulation screen is formed by three-layer co-extruded; Internal layer is the conductor shield that cross-linking type semiconductive inner shield material PYJD processes; The outer insulation screen of processing for cross-linking type semiconductive external shield material PYJBJ, the centre purifies the cross linked insulation layer that Insulation Material is processed for cable with the low-density crosslinkable polyethylene.It is characterized in that: flame retardant coating constitutes for the high-quality synthetic mica tape.It is characterized in that: inner covering be low-smoke halogen-free polyolefin cable material extrude form or same material with the wrapped bed course that forms.It is characterized in that: copper wire copper strips combination metal screen layer is formed by one deck copper strips is wrapped outside one deck copper wire.It is characterized in that: oversheath is that the fire-resistant sheath of expansion type flame-retarding is an environment-protecting thermoplastic halide-free low-smoke fireproof cable protective cover material.The advantage of the utility model patent is owing to adopted said structure, thereby improved fire prevention, waterproof, safe and reliable effect.Neither can spread, burn and produce the hydrogen halides pernicious gas, it is inner can not make moisture get into cable again, also has the shielding harness of short-circuit protection simultaneously, has reached the designing requirement of environmental type safety cable.The utility model patent has strengthened the fire-proof and water-proof effect effectively, can propagating combustion and produce pernicious gas such as hydrogen halides; Pliability is good, and frequently bending, softness are laid; Insulation effect is good; Block-water performance is good, and not understanding outer electric leakage can not influence the decline of electric property; Be specially adapted to some occasion very high of the bigger coastal area of humidity, like oil well, mine, boats and ships, power station, tunnel, offshore oil platform etc. to fire protection requirement.
Description of drawings
Fig. 1 is the structure cutaway view that the cable inner core of the utility model patent has three insulated wire cores.
Fig. 2 is the structure cutaway view that the cable inner core of the utility model patent has four insulated wire cores.
Embodiment
Comprise cable inner core, cable outer layer among the figure; It is characterized in that: the cable inner core is made up of conductor wire core 1, flame retardant coating 2, insulation screen; Flame retardant coating is wrapped on conductor wire core; It outside flame retardant coating three-layer co-extruded insulation screen 3,4,5; Cable outer layer is made up of block water buffer strip 9, aluminium foil 10, oversheath 11 of semiconductive waterstop 6, inner covering 7, copper wire copper strips combination screen 8, semiconductive from inside to outside according to this, and it is characterized in that: the interior cable inner core of cable outer layer can have more than one three or four or five.It is characterized in that: the conductor wire core of cable inner core is regular many conductor monofilament that twist together, and the conductor monofilament is through soft round copper wire or zinc-plated round copper wire after softening, is provided with the semiconductive water-proofing powder in the gap between each conductor monofilament.It is characterized in that: conductor wire core is by some soft thin round copper wire or the tinned copper wires that diameter is identical, and by bundle strand, the stranded formation of combination of strand with one heart, and each level is made according to different directions and pitch strand and formed in succession.It is characterized in that: the soft thin round copper wire of said conductor wire core or tinned copper wire are the very good high purity oxygen free copper material of electricapparatus performance.It is characterized in that: insulation screen is formed by three-layer co-extruded; Internal layer is the conductor shield that cross-linking type semiconductive inner shield material (PYJD) is processed; Be the chemical crosslinking CABLE MATERIALS that Xinshanghua High MOlecular Material Co., Ltd., Shanghai produces, like PYJD---10, PYJD---35; The outer insulation screen of processing for cross-linking type semiconductive external shield material (PYJBJ); Be the chemical crosslinking CABLE MATERIALS that Xinshanghua High MOlecular Material Co., Ltd., Shanghai produces, like PYJBJ---10, PYJBJ---35; Middle for cable purifies the cross linked insulation layer that Insulation Material is processed with the low-density crosslinkable polyethylene, be the chemical crosslinking CABLE MATERIALS that Xinshanghua High MOlecular Material Co., Ltd., Shanghai produces.It is characterized in that: flame retardant coating has good fire resistant flame retardant effect, and under ignition temperature, still can keep good dielectric strength for the high-quality synthetic mica tape constitutes.It is characterized in that: copper wire copper strips combination metal screen layer is formed by one deck copper strips is wrapped outside one deck copper wire, has good anti-electromagnetic performance and short-circuit protection effect.It is characterized in that: the halogen-free intumescent flame-retardant protective layer is an environment-protecting thermoplastic halide-free low-smoke fireproof cable protective cover material, selects for use commercially available to change and the Yadong product that borders on the sea on new.
The conductor wire core 1 of the utility model patent is regular many conductor monofilament that twist together, and the conductor monofilament is through soft round copper wire or zinc-plated round copper wire after softening.Be provided with the semiconductive water-proofing powder in the gap between each conductor monofilament.Water-proofing powder is met water and can be expanded rapidly, stop water to vertically move to cable, so the breakage under the environment of humidity of the utility model patent also can continue conduction, good water-proof effect.The material of said conductor wire core is the very good high purity oxygen free copper material of electricapparatus performance, and the cross section of conductor wire core is circular.Therefore, the physical strength of conductor wire core is high, and mechanical performance is strong, good stability, and its shape is constant, but very little to the curvature influence of cable.
The flame retardant coating 2 of the utility model patent is with special-purpose wrapped the forming of high-quality synthetic mica tape of fire-resistant safety cable, good fire resistant flame retardant effect is arranged, and under ignition temperature, still can keep good dielectric strength.
The insulating barrier of the utility model patent is formed by three layers; Be three-layer co-extruded formation, internal layer is a semiconductive conductor shield 3, and skin is a semiconductive insulation screen 5; The centre then is a processes for chemically crosslinked polyethylene insulating barrier 4; Internal layer is the conductor shield that cross-linking type semiconductive inner shield material is processed, the outer insulation screen of processing for cross-linking type semiconductive external shield material, and the centre purifies the cross linked insulation layer that Insulation Material is processed for cable with the low-density crosslinkable polyethylene.Three layers by the extrusion modling of low smoke and zero halogen special insulation material; This material is a primary raw material with the nontoxic modified polyolefin of Halogen or TPE, TPU elastomer all, adds the nontoxic fire retardant of Halogen, heat stabilizer, antismoke agent, mould inhibitor etc. and makes through mixing, extruding pelletization.Through crosslinked special processing; With poly linear molecule structural transformation is solid netted molecular structure; Improved electric property, physical property, mechanical performance and other properties of product greatly, not only high temperature resistant and have and do not prolong combustion and can not produce the characteristics of hydrogen halide.Cable just can not discharge pernicious gas and smog, unlikely causing " secondary disaster " when burning like this.Inner covering 7 form for low-smoke halogen-free polyolefin cable material extrudes or same material with the wrapped bed course that forms.
The copper wire copper strips of the utility model patent combination screen 8 is by one deck copper wire, the wrapped composition of one deck copper strips, and screen cross section and master core cross section dispose according to a certain percentage, by 16,25,35, the 50...... plurality of specifications.The shielded type cable of this structure can anti-electromagnetic induction, and imperfect earth and power line conducted interference reduce inductance, prevents characteristics such as induced electromotive force is excessive.Screen had both played and had suppressed the externally effect of emission of electromagnetic wave, can be used as the passage of short circuit current again, can play the protective effect of neutral core.
The double effects that the semiconductive waterstop 6 of the utility model patent has semiconductive, blocks water, overlapping wrapped outside cable conductor, as waterproof construction.Select the waterstop of 0.5 millimeters thick for use, after it meets water, can be expanded to 12 millimeters height rapidly, thereby reach good block-water effect.Be provided with fire-retardant filler in the space between said cable outer layer and the cable inner core.Have semiconductive, the semi-conductive buffer water-blocking band 9 of the triple function that cushions, blocks water, overlapping wrappedly have the same principle that blocks water outside copper wire copper strips combination screen 8, also have the effect of buffering.Behind this band water-swellable, can the copper wire copper strips be made up watertight that screen blocks up.Effectively prevent the intrusion of moisture, moisture.
The utility model patent adopts aluminium foil 10 wrapped, the photothermal reflectance rate of aluminium foil greater than 90% and the novel fire-resistant sheath 11 of expansion type flame-retarding cooperate, slowed down hot conduction.Be higher than under 1000 ℃ the flame temperature condition, through behind the 90min, temperature inside is no more than 450 ℃.And adopt the structure of the fire-resistant sheath of common low-smoke non-halogen flame-retardant (ATH)+aluminium foil, and be higher than under 1000 ℃ the flame temperature condition, through behind the 20min, temperature inside surpasses 600 ℃, and aluminium foil begins fusion.
The utility model patent is used halogen-free intumescent flame-retardant protective layer 11; Adopting the expansion type flame-retarding technology is ignition-proof element with nitrogen, and under the environment of flame, the sheath material of being made up of acid source (dehydrating agent), carbon source (carbon forming agent) and source of the gas (blowing agent) three parts expands rapidly; The surface forms fine and close porous carbon froth bed; Securely attached on the cable, play well heat insulation, oxygen barrier, press down cigarette, and can prevent to produce the effect of dripping of dissolving.Fire-resistant oversheath has good flame-retardant smoke inhibition and the function of putting out certainly, low cigarette, Halogen, fire-retardant and have high elongation at break (＞350%), and easy to process.The flame-retardant effect of the fire-resistant sheath of expansion type flame-retarding mainly is through the low heat conduction of the heat insulation-foaming structure of expansion charcoal layer with to thermal-radiating reflection, trapping effect; Limited to following polymer oxygen supply and suppress flammable degraded gas emitting and preventing effectively melt and dissolved drippage behavior that polymer combustion produces to reach the effect of flame-retardant; This material is an environment-protecting thermoplastic halide-free low-smoke fireproof cable protective cover material; The trade mark is commercially available HW or HEW, has good processing properties, physical and mechanical properties, insulation property and excellent fire retardant characteristic, does not discharge hydracid; Promptly put out certainly from fire; Can reduce the discharging of poisonous corrosive gas and the generation of smog in a large number, immersion back insulation resistance changes little, processes the fail safe and the reliability that have height behind the cable.Has optimum cost performance.
Claims (10)
1. the environmental protection and safety type fireproof cable that blocks water; Comprise cable inner core, cable outer layer; It is characterized in that: the cable inner core is made up of conductor wire core, flame retardant coating, insulation screen; Flame retardant coating is wrapped on conductor wire core, is three-layer co-extruded insulation screen outside flame retardant coating, and cable outer layer is made up of block water buffer strip, aluminium foil, halogen-free intumescent flame-retardant protective layer of semiconductive waterstop, inner covering, copper wire copper strips combination screen, semiconductive from inside to outside according to this.
2. by the described environmental protection and safety type of claim 1 fireproof cable that blocks water, it is characterized in that: the cable inner core in the cable outer layer can have more than one three or four or five.
3. by the described environmental protection and safety type of claim 1 fireproof cable that blocks water; It is characterized in that: the conductor wire core of cable inner core is regular many conductor monofilament that twist together; The conductor monofilament is through soft round copper wire or zinc-plated round copper wire after softening, is provided with the semiconductive water-proofing powder in the gap between each conductor monofilament.
4. by the described environmental protection and safety type of claim 3 fireproof cable that blocks water; It is characterized in that: conductor wire core is by some soft thin round copper wire or the tinned copper wires that diameter is identical; By bundle strand, the stranded formation of combination of strand with one heart, and each level is made according to different directions and pitch strand and is formed in succession.
5. by the described environmental protection and safety type of claim 4 fireproof cable that blocks water, it is characterized in that: the soft thin round copper wire of said conductor wire core or tinned copper wire are the very good high purity oxygen free copper material of electricapparatus performance.
6. by the described environmental protection and safety type of claim 1 fireproof cable that blocks water; It is characterized in that: insulation screen is formed by three-layer co-extruded; Internal layer is the conductor shield that cross-linking type semiconductive inner shield material PYJD processes; The outer insulation screen of processing for cross-linking type semiconductive external shield material PYJBJ, the centre purifies the cross linked insulation layer that Insulation Material is processed for cable with the low-density crosslinkable polyethylene.
7. by the described environmental protection and safety type of claim 1 fireproof cable that blocks water, it is characterized in that: flame retardant coating is that the high-quality synthetic mica tape constitutes.
8. by the described environmental protection and safety type of claim 1 fireproof cable that blocks water, it is characterized in that: inner covering be low-smoke halogen-free polyolefin cable material extrude form or same material with the wrapped bed course that forms.
9. by the described environmental protection and safety type of claim 1 fireproof cable that blocks water, it is characterized in that: outer one deck copper strips is wrapped forms by one deck copper wire for copper wire copper strips combination metal screen layer.
10. by the described environmental protection and safety type of claim 1 fireproof cable that blocks water, it is characterized in that: oversheath is that the fire-resistant sheath of expansion type flame-retarding is an environment-protecting thermoplastic halide-free low-smoke fireproof cable protective cover material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202930488U CN202205484U (en) | 2011-08-12 | 2011-08-12 | Safe environmental protection type waterproof fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202930488U CN202205484U (en) | 2011-08-12 | 2011-08-12 | Safe environmental protection type waterproof fireproof cable |
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| Publication Number | Publication Date |
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| CN202205484U true CN202205484U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202930488U Expired - Fee Related CN202205484U (en) | 2011-08-12 | 2011-08-12 | Safe environmental protection type waterproof fireproof cable |
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| CN (1) | CN202205484U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789835A (en) * | 2011-08-12 | 2012-11-21 | 上海特种电线电缆（集团）有限公司 | Environment-friendly safe waterproof fireproof cable |
| CN102831971A (en) * | 2012-08-30 | 2012-12-19 | 江苏永鼎电气有限公司 | Ultra-high temperature resistant low-noise cable |
| CN102842370A (en) * | 2012-09-14 | 2012-12-26 | 河南华泰特种电缆有限公司 | Environment-friendly composite functional flexible fireproof cable |
| CN103903776A (en) * | 2014-03-05 | 2014-07-02 | 安徽华峰电缆集团有限公司 | Instrumentation cable for nuclear power plant |
| CN104112517A (en) * | 2014-07-04 | 2014-10-22 | 安徽华电线缆集团有限公司 | Environment-friendly and safe water-blocking fireproof cable |
| CN104867577A (en) * | 2014-02-20 | 2015-08-26 | 安徽华电线缆集团有限公司 | Novel environmental protection safety type fireproof cable |
| CN112652420A (en) * | 2020-09-23 | 2021-04-13 | 江苏华创线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant wire and cable and preparation process thereof |
-
2011
- 2011-08-12 CN CN2011202930488U patent/CN202205484U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789835A (en) * | 2011-08-12 | 2012-11-21 | 上海特种电线电缆（集团）有限公司 | Environment-friendly safe waterproof fireproof cable |
| CN102831971A (en) * | 2012-08-30 | 2012-12-19 | 江苏永鼎电气有限公司 | Ultra-high temperature resistant low-noise cable |
| CN102831971B (en) * | 2012-08-30 | 2014-06-18 | 江苏永鼎电气有限公司 | Ultra-high temperature resistant low-noise cable |
| CN102842370A (en) * | 2012-09-14 | 2012-12-26 | 河南华泰特种电缆有限公司 | Environment-friendly composite functional flexible fireproof cable |
| CN102842370B (en) * | 2012-09-14 | 2015-06-24 | 河南华泰特种电缆集团有限公司 | Environment-friendly composite functional flexible fireproof cable |
| CN104867577A (en) * | 2014-02-20 | 2015-08-26 | 安徽华电线缆集团有限公司 | Novel environmental protection safety type fireproof cable |
| CN103903776A (en) * | 2014-03-05 | 2014-07-02 | 安徽华峰电缆集团有限公司 | Instrumentation cable for nuclear power plant |
| CN104112517A (en) * | 2014-07-04 | 2014-10-22 | 安徽华电线缆集团有限公司 | Environment-friendly and safe water-blocking fireproof cable |
| CN112652420A (en) * | 2020-09-23 | 2021-04-13 | 江苏华创线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant wire and cable and preparation process thereof |
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