CN202796162U - Fire-retarding type halogen-free low-smoke fire-resistant cable - Google Patents
Fire-retarding type halogen-free low-smoke fire-resistant cable Download PDFInfo
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- CN202796162U CN202796162U CN2012203921086U CN201220392108U CN202796162U CN 202796162 U CN202796162 U CN 202796162U CN 2012203921086 U CN2012203921086 U CN 2012203921086U CN 201220392108 U CN201220392108 U CN 201220392108U CN 202796162 U CN202796162 U CN 202796162U
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- 239000000779 smoke Substances 0.000 title claims abstract description 47
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 38
- 238000009413 insulation Methods 0.000 claims abstract description 51
- 239000002131 composite material Substances 0.000 claims abstract description 33
- 239000003063 flame retardant Substances 0.000 claims abstract description 22
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 19
- 229920000098 polyolefin Polymers 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 16
- 239000010949 copper Substances 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 125
- 229910052736 halogen Inorganic materials 0.000 claims description 27
- 150000002367 halogens Chemical class 0.000 claims description 27
- 239000000835 fiber Substances 0.000 claims description 11
- 239000012212 insulator Substances 0.000 claims description 8
- 239000012044 organic layer Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 12
- 238000009422 external insulation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract 2
- 238000009421 internal insulation Methods 0.000 abstract 2
- 239000012774 insulation material Substances 0.000 abstract 1
- 239000011707 mineral Substances 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229920002379 silicone rubber Polymers 0.000 description 6
- 238000005987 sulfurization reaction Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
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- 238000009826 distribution Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 229920000573 polyethylene Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
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Abstract
The utility model relates to a fire-resistant cable, in particular to a fire-retarding type halogen-free low-smoke fire-resistant cable, and belongs to the technical field of fire-resistant cable manufacturing. The fire-retarding type halogen-free low-smoke fire-resistant cable comprises a conductive core, a heat-resistant composite insulation layer, a heat-resistant filler layer, a fire-retarding liner layer and a halogen-free low-smoke flame-retardant polyolefin sheath layer sequentially from inner to outer. In the utility model, a copper conductor is formed by a plurality of twisted copper wires, wherein the copper conductor is relatively soft in structure and easy to bend; the fire-resistant composite insulation layer is of a composite structure consisting of inorganic mineral materials as internal insulation and halogen-free low-smoke heat-resistant organic insulation materials as external insulation, wherein the internal insulation plays a part in high temperature insulation and the external insulation plays a part in heat resistance protection, the excellent high temperature resistance insulation property can be ensured by adoption of the composite insulation layer; the heat-resistant filler layer plays a certain part in the insulation to the composite insulation layer, thereby reducing the high temperature risk of the insulation layer.
Description
Technical field
The utility model relates to a kind of fire-resisting cable, relates in particular to a kind of fire-proof type low smoke, zero halogen cable.Belong to fire-resisting cable manufacturing technology field.
Background technology
The product that approaches with the utility model in the prior art mainly contains following a few class:
1. crosslinked polyetylene insulated halogen-free and low-smoke flame-retardant polyolefin sheathed fire-resisting cable: this product is respectively electric conductor from inside to outside, refractory insulating layer, fire-retardant packed layer, halogen-free and low-smoke flame-retardant polyolefin sheathed structure layer, this product only can be by the burning test of category-A fire resistance rating, under fired state, except refractory insulating layer plays certain hot-face insulation effect, electric conductor is kept outside the energising of short period, all the other structural materials all can burn mistake, under Fire Conditions owing to burn the bump of junk and the spray of fire water, refractory insulating layer is damaged, short circuit can't be guaranteed the emergency service under the entity Fire Conditions;
2. high temperature fire resisting electric cable: this product is electric conductor, refractory insulating layer, the compound oxygen barrier layer of mineral matter, aluminium sheath pipe from inside to outside, fire-resistant, the impact of the burning test that this product can be by the category-A fire resistance rating and Britain BS6387 regulation and spray test.Its major defect is, the compound oxygen barrier layer of mineral matter is sneaked in the colloidal materials take alumina material as main member, meeting cracking after the drying, under fired state, after the aluminium sheath pipe generation high temperature melting, the slit that flame can directly produce by cracking directly enters refractory insulating layer, make cable lose gradually fire-resistant effect, and can't guarantee the emergency service of long period, and the oxygen barrier layer of its hard attitude and aluminum pipe make cable be difficult to bending in the laying installation process, and construction is difficulty comparatively;
3. high-performance halogen-free flame-retardant refractory: its structure is comparatively similar to the second, just oversheath adopts the LSOH anti-flaming sheath, it has solved the aluminium sheath pipe firmly and the inconvenient problem of construction, but the defective of the compound oxygen barrier layer material of unresolved mineral matter season cracking, in each structure of cable all in the intact unconverted situation, burning test that can be by the category-A fire resistance rating and Britain BS6387 regulation fire-resistant, impact and spray test, but because product is from being fabricated onto the construction energising, often the cycle is longer, and the season cracking of generation oxygen barrier layer, under fired state, flame still can directly enter refractory insulating layer by the slit that cracking produces, in addition owing to adopted plastic sheath, although what solve to a certain extent lays crooked hard problem, in bending because of the season cracking of oxygen barrier layer, hardening and produce cracked, the inner refractory insulating layer of damage very easily, bring fatal harm to cable, in addition lose the insulation and scrap.
The utility model content
The purpose of this utility model is to provide a kind of fire-proof type low smoke, zero halogen cable for solving the problems of the technologies described above.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs:
Fire-proof type low smoke, zero halogen fire-resisting cable comprises conductive cores, heat-resisting composite insulation layer, heat-resisting packed layer, back-fire relief inner covering and halogen-free and low-smoke flame-retardant polyolefin sheathed layer from inside to outside successively;
Described conductive cores is that the cross section is 0.75～300mm
2Copper conductor;
Described heat-resisting composite insulation layer is to have comprised inorganic lapping layer and organic composite insulation layer that extrudes layer, wherein inorganic lapping layer be wrapped outside single conductive cores, comprise that two layers of thickness at least is that the thickness of the inorganic mineral insulation fire-resistant wrapping tape of 0.10mm～0.15mm is the fire-resistant inner insulating layer of 0.5mm～0.7mm; Described organic layer that extrudes is that a layer thickness that is extruded in outside the described fire-resistant inner insulating layer is the heat-resisting organic insulator of low smoke, zero halogen of 0.6～2.0mm;
Described heat-resisting packed layer is that heat-resisting fiberfill fibers consists of;
The thickness of described back-fire relief inner covering is 1.0～2.0mm;
The thickness of described halogen-free and low-smoke flame-retardant polyolefin sheathed layer is 1.0～3.5mm.
Fire-proof type low smoke, zero halogen fire-resisting cable is made of copper conductor, fire-resistant composite insulation layer, heat-resisting packing material, back-fire relief inner covering and LSOH anti-flaming sheath respectively from the inside to surface.The structure of this product is relatively soft; do not produce poisonous and hazardous halogen gas during burning, exhaust gas volumn is little, light transmittance is high; the metal refuge floor is isolated in flame the refuge floor outside under fired state; the back-fire relief inner covering forms heat insulation, the fish tail and waterproof layer that the inorganic matter duricrust that does not fire consists of fire-resistant composite insulation layer under the condition of high temperature; can be by fire-resistant, impact and the spray test of China's fire-fighting test standard and Britain BS6387 standard code, guarantee product under fire condition the good insulation state and keep the normal power-up of long period.
Fire-proof type low smoke, zero halogen fire-resisting cable can be applicable to the various fire-resistant distribution backbones that require high, as must to guarantee the person and property safety place and field, emergency service circuit, fire-fighting power and distribution supply cable, fire protection equipment control circuit etc.
In the utility model technique scheme, the inorganic mineral insulation fire-resistant wrapping tape is, what the inorganic matter insulating material that extracts from natural minerals adopted that adhesive sticks on that glass fabric makes can tolerate the band that 950 ℃ of flames burn, such as mica tape; The heat-resisting organic insulator of low smoke, zero halogen is, under fired state, do not produce halogen and few smog (light transmittance is not less than 70%), and normal working temperature is not less than 90 ℃, at 200 ℃ and the following macromolecule organic material that can not melt or decompose, such as cross-linking polyethylene materials and silastic material.
Preferred as technique scheme, described heat-resisting packed layer also is surrounded with one deck heat resistance fiber band outward.
Heat-resisting fiberfill fibers is that tolerable temperature is not less than 600 ℃, can not produce the fibrous material of obvious change of shape, burning or decomposition under tolerable temperature, such as the alumina fibre rope.
Preferred as technique scheme, described metal refuge floor periphery also has the inorganic heat-resisting protection band of the one deck of adding.
Inorganic heat-resisting protection band is to refer to that material of main part is the band of inorganic matter, such as glass fiber tape, alumina fibre band.The heat resistance fiber band is similar with inorganic heat-resisting protection band, is that inorganic heat-resisting protection band is more wider, comprises the fire-retardant band of pbz polymer polymer.
Preferred as technique scheme, described conductive cores are single solid copper conductor or the copper conductor that is twisted into multiply round copper wire employing stranding machine.
Preferred as technique scheme, described conductive cores has 1-5.
In sum, the utlity model has following technique effect:
1, it is stranded that copper conductor adopts stranded copper wire, and structure is soft, easily crooked;
2, insulation was the composite construction of the heat-resisting organic insulating material of low smoke, zero halogen for inorganic mineral material, external insulation in fire-resistant composite insulation layer adopted, interior insulation plays the high-temperature insulation effect, external insulation plays heat-resisting protective action, its composite insulation layer can be guaranteed good high-temperature insulation performance, and structure is soft, and is easily crooked;
3, heat-resisting packed layer plays certain heat-blocking action to composite insulation layer and reduces the high temperature risk of insulating barrier under the condition of high temperature;
4, the back-fire relief inner covering is the mixture of powdery ceramic-like materials and heat-resistant silicon rubber, adopting squeezing bag sulfuration process or being processed into the back-fire relief band carries out wrapped, soft after this back-fire relief liner machine-shaping, under flame combustion or the condition of high temperature, form hard attitude ceramic protecting crust, can stop entering of flame and shower water;
5, sheath adopts the halogen-free and low-smoke flame-retardant polyolefin material to be extruded in the periphery of back-fire relief liner; play the protective action under the regular service conditions; can not produce poisonous and hazardous halogen and few smog during burning; can guarantee personal safety under the fire condition and the safety of fire-fighting electronic facility, be conducive to carrying out of fire rescue.
6, the utility model is by the fire resistance test of fire-resistant category-A and 950 ℃/180min, and fire-resistant, the impact of fire-fighting test standard and Britain BS6387 standard code, spray test.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Fig. 3 is the structural representation of the utility model embodiment three;
Fig. 4 is the structural representation of the utility model embodiment four;
Fig. 5 is the structural representation of the utility model embodiment five;
Among the figure, 1-conductive cores, the heat-resisting composite insulation layer of 2-, the heat-resisting packed layer of 3-, 4-back-fire relief inner covering, the halogen-free and low-smoke flame-retardant polyolefin sheathed layer of 5-.
Embodiment
Embodiment one
As shown in Figure 1, fire-proof type low smoke, zero halogen fire-resisting cable comprises conductive cores 1, heat-resisting composite insulation layer 2, heat-resisting packed layer 3, back-fire relief inner covering 4 and halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 from inside to outside successively;
Described conductive cores 1 is that the cross section is 0.75mm
2Copper conductor;
Described heat-resisting composite insulation layer 2 is to have comprised inorganic lapping layer and organic composite insulation layer that extrudes layer, wherein inorganic lapping layer be wrapped outside single conductive cores, comprise that two layers of thickness at least is that the thickness of the inorganic mineral insulation fire-resistant wrapping tape of 0.10mm is the fire-resistant inner insulating layer of 0.5mm; Described organic layer that extrudes is that a layer thickness that is extruded in outside the described fire-resistant inner insulating layer is the heat-resisting organic insulator of low smoke, zero halogen of 0.6mm;
Described heat-resisting packed layer 3 is that heat-resisting fiberfill fibers consists of;
Described back-fire relief inner covering 4 be raw material be silicon rubber, mineral ceramic powder and vulcanizing agent through the back-fire relief inner covering of squeezing bag sulfuration or wrapped formation, thickness is 1.0mm;
The thickness of described halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 is 1.0mm.
Embodiment two
As shown in Figure 2, fire-proof type low smoke, zero halogen fire-resisting cable comprises conductive cores 1, heat-resisting composite insulation layer 2, heat-resisting packed layer 3, back-fire relief inner covering 4 and halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 from inside to outside successively;
Described conductive cores 1 is that the cross section is 10mm
2Copper conductor;
Described heat-resisting composite insulation layer 2 is to have comprised inorganic lapping layer and organic composite insulation layer that extrudes layer, wherein inorganic lapping layer be wrapped outside single conductive cores, comprise that two layers of thickness at least is that the thickness of the inorganic mineral insulation fire-resistant wrapping tape of 0.12mm is the fire-resistant inner insulating layer of 0.5mm; Described organic layer that extrudes is that a layer thickness that is extruded in outside the described fire-resistant inner insulating layer is the heat-resisting organic insulator of low smoke, zero halogen of 0.8mm;
Described heat-resisting packed layer 3 is that heat-resisting fiberfill fibers consists of;
Described back-fire relief inner covering 4 be raw material be silicon rubber, mineral ceramic powder and vulcanizing agent through the back-fire relief inner covering of squeezing bag sulfuration or wrapped formation, thickness is 1.2mm;
The thickness of described halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 is 1.5mm.
Embodiment three
As shown in Figure 3, fire-proof type low smoke, zero halogen fire-resisting cable comprises conductive cores 1, heat-resisting composite insulation layer 2, heat-resisting packed layer 3, back-fire relief inner covering 4 and halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 from inside to outside successively;
Described conductive cores 1 is that the external diameter cross section is 30mm
2Copper conductor;
Described heat-resisting composite insulation layer 2 is to have comprised inorganic lapping layer and organic composite insulation layer that extrudes layer, wherein inorganic lapping layer be wrapped outside single conductive cores, comprise that two layers of thickness at least is that the thickness of the inorganic mineral insulation fire-resistant wrapping tape of 0.12mm is the thick fire-resistant inner insulating layer of 0.6mm; Described organic layer that extrudes is that a layer thickness that is extruded in outside the described fire-resistant inner insulating layer is the heat-resisting organic insulator of low smoke, zero halogen of 1.0mm;
Described heat-resisting packed layer 3 is that heat-resisting fiberfill fibers consists of;
Described back-fire relief inner covering 4 be raw material be silicon rubber, mineral ceramic powder and vulcanizing agent through the back-fire relief inner covering of squeezing bag sulfuration or wrapped formation, thickness is 1.2mm;
The thickness of described halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 is 1.5mm.
Embodiment four
As shown in Figure 4, fire-proof type low smoke, zero halogen fire-resisting cable comprises conductive cores 1, heat-resisting composite insulation layer 2, heat-resisting packed layer 3, back-fire relief inner covering 4 and halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 from inside to outside successively;
Described conductive cores 1 is that the cross section is 100mm
2Copper conductor;
Described heat-resisting composite insulation layer 2 is to have comprised inorganic lapping layer and organic composite insulation layer that extrudes layer, wherein inorganic lapping layer be wrapped outside single conductive cores, comprise that two layers of thickness at least is that the thickness of the inorganic mineral insulation fire-resistant wrapping tape of 0.13mm is the fire-resistant inner insulating layer of 0.6mm; Described organic layer that extrudes is that a layer thickness that is extruded in outside the described fire-resistant inner insulating layer is the heat-resisting organic insulator of low smoke, zero halogen of 1.5mm;
Described heat-resisting packed layer 3 is that heat-resisting fiberfill fibers consists of;
Described back-fire relief inner covering 4 be raw material be silicon rubber, mineral ceramic powder and vulcanizing agent through the back-fire relief inner covering of squeezing bag sulfuration or wrapped formation, thickness is 1.5mm;
The thickness of described halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 is 2.5mm.
Embodiment five
As shown in Figure 5, fire-proof type low smoke, zero halogen fire-resisting cable comprises conductive cores 1, heat-resisting composite insulation layer 2, heat-resisting packed layer 3, back-fire relief inner covering 4 and halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 from inside to outside successively;
Described conductive cores 1 is that the cross section is 300mm
2Copper conductor;
Described heat-resisting composite insulation layer 2 is to have comprised inorganic lapping layer and organic composite insulation layer that extrudes layer, wherein inorganic lapping layer be wrapped outside single conductive cores, comprise that two layers of thickness at least is that the thickness of the inorganic mineral insulation fire-resistant wrapping tape of 0.15mm is the fire-resistant inner insulating layer of 0.7mm; Described organic layer that extrudes is that a layer thickness that is extruded in outside the described fire-resistant inner insulating layer is the heat-resisting organic insulator of low smoke, zero halogen of 2.0mm;
Described heat-resisting packed layer 3 is that heat-resisting fiberfill fibers consists of;
Described back-fire relief inner covering 4 be raw material be silicon rubber, mineral ceramic powder and vulcanizing agent through the back-fire relief inner covering of squeezing bag sulfuration or wrapped formation, thickness is 2.0mm;
The thickness of described halogen-free and low-smoke flame-retardant polyolefin sheathed layer 5 is 3.5mm.
Claims (4)
1. fire-proof type low smoke, zero halogen fire-resisting cable is characterized in that: comprise successively from inside to outside conductive cores (1), heat-resisting composite insulation layer (2), heat-resisting packed layer (3), back-fire relief inner covering (4) and halogen-free and low-smoke flame-retardant polyolefin sheathed layer (5);
Described conductive cores (1) is that the cross section is 0.75 ~ 300mm
2Copper conductor;
Described heat-resisting composite insulation layer (2) is to have comprised inorganic lapping layer and organic composite insulation layer that extrudes layer, wherein inorganic lapping layer be wrapped in single conductive cores, comprise that two layers of thickness at least is that the thickness of the inorganic mineral insulation fire-resistant wrapping tape of 0.10mm～0.15mm is the fire-resistant inner insulating layer of 0.5mm～0.7mm; Described organic layer that extrudes is that a layer thickness that is extruded in outside the described fire-resistant inner insulating layer is the heat-resisting organic insulator of low smoke, zero halogen of 0.6～2.0mm;
Described heat-resisting packed layer (3) is that heat-resisting fiberfill fibers consists of;
Described back-fire relief inner covering (4) thickness is 1.0～2.0mm;
The thickness of described halogen-free and low-smoke flame-retardant polyolefin sheathed layer (5) is 1.0～3.5mm.
2. a kind of fire-proof type low smoke, zero halogen fire-resisting cable according to claim 1 is characterized in that: the outer one deck heat resistance fiber band that also is surrounded with of described heat-resisting packed layer (3).
3. a kind of fire-proof type low smoke, zero halogen fire-resisting cable according to claim 1 and 2 is characterized in that: described conductive cores (1) is single solid copper conductor or the copper conductor that adopts stranding machine to be twisted into the multiply round copper wire.
4. a kind of fire-proof type low smoke, zero halogen fire-resisting cable according to claim 1 and 2 is characterized in that: described conductive cores (1) has 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203921086U CN202796162U (en) | 2012-08-09 | 2012-08-09 | Fire-retarding type halogen-free low-smoke fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203921086U CN202796162U (en) | 2012-08-09 | 2012-08-09 | Fire-retarding type halogen-free low-smoke fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796162U true CN202796162U (en) | 2013-03-13 |
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ID=47823375
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203921086U Expired - Lifetime CN202796162U (en) | 2012-08-09 | 2012-08-09 | Fire-retarding type halogen-free low-smoke fire-resistant cable |
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| Country | Link |
|---|---|
| CN (1) | CN202796162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578639A (en) * | 2013-11-15 | 2014-02-12 | 江苏珠影特种电缆有限公司 | Low-smoke zero-halogen environment-friendly fire resistant cable |
| CN105513701A (en) * | 2014-09-24 | 2016-04-20 | 江苏宝安电缆有限公司 | Novel reinforced fireproof cable |
-
2012
- 2012-08-09 CN CN2012203921086U patent/CN202796162U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578639A (en) * | 2013-11-15 | 2014-02-12 | 江苏珠影特种电缆有限公司 | Low-smoke zero-halogen environment-friendly fire resistant cable |
| CN105513701A (en) * | 2014-09-24 | 2016-04-20 | 江苏宝安电缆有限公司 | Novel reinforced fireproof cable |
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