CN217181282U - Flame-retardant fire-resistant high-strength armored optical cable containing phosphorus-nitrogen flame retardant - Google Patents
Flame-retardant fire-resistant high-strength armored optical cable containing phosphorus-nitrogen flame retardant Download PDFInfo
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- CN217181282U CN217181282U CN202122961023.7U CN202122961023U CN217181282U CN 217181282 U CN217181282 U CN 217181282U CN 202122961023 U CN202122961023 U CN 202122961023U CN 217181282 U CN217181282 U CN 217181282U
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- Prior art keywords
- retardant
- flame
- annular
- oxygen
- annular flame
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 161
- 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 title claims abstract description 151
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 title claims abstract description 16
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 8
- 229920000098 polyolefin Polymers 0.000 claims abstract description 57
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000012796 inorganic flame retardant Substances 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 150000004706 metal oxides Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A flame-retardant fire-resistant high-strength armored optical cable containing a phosphorus-nitrogen flame retardant is characterized in that the cross section of a flame-retardant reinforcement is circular, a plurality of flame-retardant polyolefin tight sleeves are embedded into the flame-retardant reinforcement and distributed in a rectangular array, and each flame-retardant polyolefin tight sleeve comprises an optical fiber body; a first annular flame-retardant oxygen-isolating belt is sleeved on the outer side of the flame-retardant reinforcing piece; a first annular flame-retardant polyolefin sheath is sleeved outside the first annular flame-retardant oxygen-isolating belt; a second annular flame-retardant oxygen-isolating belt is sleeved on the outer side of the first annular flame-retardant polyolefin sheath; a third annular flame-retardant oxygen-isolating belt is arranged outside the second annular flame-retardant oxygen-isolating belt; a second annular flame-retardant polyolefin sheath is sleeved outside the third annular flame-retardant oxygen-isolating belt; a plurality of metal reinforcing pieces are arranged between the outer side of the second annular flame-retardant oxygen-isolating belt and the inner side of the third annular flame-retardant oxygen-isolating belt, and the plurality of metal reinforcing pieces are uniformly distributed in an annular shape. This application strengthens the fire-retardant and reinforcing cable intensity of fire prevention of cable through above-mentioned scheme.
Description
Technical Field
The utility model relates to a cable technical field, in particular to fire-retardant fire-resistant type high strength armored optical cable that contains phosphorus nitrogen system fire retardant.
Background
Optical cables and cables in the prior art generally have the technical problems of insufficient structural strength and weak fireproof performance. The structural strength determines the service life of the optical cable and the cable, and the fireproof performance ensures that the optical cable and the cable have certain fireproof capacity when a fire disaster occurs. In the event of a fire, protection of the cable is particularly important because it is intimately connected with communications, electrical equipment, etc.; the damage of the cable not only loses facility resources, but also more importantly, the damage of the cable easily causes people to be trapped in the case of fire, and difficulty is provided for rescue. In addition, when a fire disaster occurs, smoke and toxic gas are generated due to the combustion of materials such as cables and the like, and the smoke and the toxic gas are main factors which are harmful and fatal to human bodies and influence escape. The requirements for flame retardance and fire resistance, heat insulation, oxygen insulation and smoke suppression of the cable are core requirements.
Therefore, how to solve the practical problems of insufficient fireproof flame-retardant capability and low cable strength of the existing cables is needed at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to not enough among the prior art, provide a fire-retardant fire-resistant type high strength armor optical cable that contains phosphorus nitrogen system fire retardant to the fire-retardant and problem of reinforcing cable intensity of the fire prevention of reinforcing cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a flame-retardant fire-resistant high-strength armored optical cable containing a phosphorus-nitrogen flame retardant comprises a flame-retardant reinforcement, a flame-retardant polyolefin tight sleeve, an optical fiber body, a first annular flame-retardant oxygen-isolating band, a first annular flame-retardant polyolefin sheath, a second annular flame-retardant oxygen-isolating band, a metal reinforcement, a third annular flame-retardant oxygen-isolating band and a second annular flame-retardant polyolefin sheath;
the cross section of the flame-retardant reinforcing part is circular, a plurality of flame-retardant polyolefin tight sleeves are embedded into the flame-retardant reinforcing part and distributed in a rectangular array, and the plurality of flame-retardant polyolefin tight sleeves comprise optical fiber bodies;
the first annular flame-retardant oxygen-isolating belt is sleeved on the outer side of the flame-retardant reinforcing piece; the outer side of the first annular flame-retardant oxygen-isolating belt is sleeved with the first annular flame-retardant polyolefin sheath; the second annular flame-retardant oxygen-isolating belt is sleeved on the outer side of the first annular flame-retardant polyolefin sheath; a third annular flame-retardant oxygen-isolating belt is arranged on the outer side of the second annular flame-retardant oxygen-isolating belt; a second annular flame-retardant polyolefin sheath is sleeved outside the third annular flame-retardant oxygen-isolating belt;
a plurality of metal reinforcing pieces are arranged between the outer side of the second annular flame-retardant oxygen-isolating belt and the inner side of the third annular flame-retardant oxygen-isolating belt, and are uniformly distributed in an annular shape;
the first annular flame-retardant polyolefin sheath and the second annular flame-retardant polyolefin sheath both contain phosphorus-nitrogen flame retardants.
In order to optimize the technical scheme, the specific measures adopted further comprise:
further, the cross section of the metal reinforcing piece is circular.
Further, the first annular flame-retardant polyolefin sheath and the second annular flame-retardant polyolefin sheath both contain an inorganic flame retardant.
Further, the ratio of the phosphorus-nitrogen flame retardant to the inorganic flame retardant in the first annular flame-retardant polyolefin sheath and the second annular flame-retardant polyolefin sheath is 2: 1.
The utility model has the advantages that:
1. this application is with optic fibre body embedding in fire-retardant reinforcement, still is equipped with annular metal reinforcement simultaneously and is favorable to promoting whole optical cable structure's fire-retardant and improvement overall structure intensity of preventing fires.
2. The first annular flame-retardant polyolefin sheath and the second annular flame-retardant polyolefin sheath are filled with flame-retardant polyolefin of a phosphorus-nitrogen flame retardant, and the phosphorus-nitrogen flame retardant contains two elements of nitrogen and phosphorus and does not contain halogen; in addition, the flame-retardant polyolefin also contains an inorganic flame retardant, water is decomposed along with the rise of temperature, the material is automatically protected, and the decomposed metal oxide forms the barrier to oxygen, the heat insulation and the smoke suppression.
Drawings
Fig. 1 is a schematic cross-sectional view of the overall structure of the present invention.
In the figure: 1. the optical fiber comprises a flame-retardant reinforcing piece, 2, a flame-retardant polyolefin tight sleeve, 3, an optical fiber body, 4, a first annular flame-retardant oxygen-isolating belt, 5, an annular flame-retardant polyolefin sheath, 6, a second annular flame-retardant oxygen-isolating belt, 7, a metal reinforcing piece, 8, a third annular flame-retardant oxygen-isolating belt, and 9, a second annular flame-retardant polyolefin sheath.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
A flame-retardant fire-resistant high-strength armored optical cable containing a phosphorus-nitrogen flame retardant comprises a flame-retardant reinforcement 1, a flame-retardant polyolefin tight sleeve 2, an optical fiber body 3, a first annular flame-retardant oxygen-isolating band 4, a first annular flame-retardant polyolefin sheath 5, a second annular flame-retardant oxygen-isolating band 6, a metal reinforcement 7, a third annular flame-retardant oxygen-isolating band 8 and a second annular flame-retardant polyolefin sheath 9;
the cross section of the flame-retardant reinforcement 1 is circular, a plurality of flame-retardant polyolefin tight sleeves 2 are embedded in the flame-retardant reinforcement 1, the flame-retardant polyolefin tight sleeves 2 are distributed in a rectangular array, and the plurality of flame-retardant polyolefin tight sleeves 2 all comprise optical fiber bodies 3;
a first annular flame-retardant oxygen-isolating belt 4 is sleeved on the outer side of the flame-retardant reinforcing member 1; a first annular flame-retardant polyolefin sheath 5 is sleeved outside the first annular flame-retardant oxygen-isolating belt 4; a second annular flame-retardant oxygen-isolating belt 6 is sleeved outside the first annular flame-retardant polyolefin sheath 5; a third annular flame-retardant oxygen-insulating belt 8 is arranged on the outer side of the second annular flame-retardant oxygen-insulating belt 6; a second annular flame-retardant polyolefin sheath 9 is sleeved outside the third annular flame-retardant oxygen-isolating belt 8;
a plurality of metal reinforcing pieces 7 are arranged between the outer side of the second annular flame-retardant oxygen-insulating belt 6 and the inner side of the third annular flame-retardant oxygen-insulating belt 8, and the plurality of metal reinforcing pieces 7 are uniformly distributed in an annular shape;
the first annular flame-retardant polyolefin sheath 5 and the second annular flame-retardant polyolefin sheath 9 both contain phosphorus-nitrogen flame retardant.
The metal reinforcement 7 is circular in cross-section.
The first annular flame-retardant polyolefin sheath 5 and the second annular flame-retardant polyolefin sheath 9 both contain inorganic flame retardant.
The ratio of the phosphorus-nitrogen flame retardant to the inorganic flame retardant in the first annular flame-retardant polyolefin sheath 5 and the second annular flame-retardant polyolefin sheath 9 is 2: 1.
Refer to fig. 1. The flame-retardant reinforcement member 1 is made of flame-retardant and reinforcing materials, and aims to achieve the technical effects of flame retardance, heat insulation and overall structural strength reinforcement; the flame-retardant polyolefin tight sleeve 2 and the flame-retardant polyolefin sheaths (the first annular flame-retardant polyolefin sheath 5 and the second annular flame-retardant polyolefin sheath 9) are applied more in the application of the prior optical cable technology, and a phosphorus-nitrogen flame retardant and an inorganic flame retardant are added into the flame-retardant polyolefin tight sleeve to protect the optical fiber main body and increase the flame-retardant effect; the flame-retardant oxygen-isolating belt (the first annular flame-retardant oxygen-isolating belt 4, the second annular flame-retardant oxygen-isolating belt 6 and the third annular flame-retardant oxygen-isolating belt 8) is made of a flame-retardant and oxygen-isolating material so as to enhance the fireproof effect; the metal reinforcing member 7 is made of a reinforcing material, and the overall structural strength of the optical cable is improved.
The whole structure of the optical cable is free of combustible materials; the phosphorus-nitrogen flame retardant contains two elements of nitrogen and phosphorus, does not contain halogen, does not need antimony oxide as a synergist, and has the advantages of no halogen, low smoke, low toxicity, high flame retardant efficiency and the like. When the polymer containing the flame retardant is heated, a uniform carbonaceous foam layer can be generated on the surface of the polymer, so that the polymer plays roles in heat insulation, oxygen isolation and smoke suppression and can prevent the generation of a molten drop phenomenon, thereby having good flame retardant property.
It should be noted that, in the present invention, the terms "upper", "lower", "left", "right", "front", "back", etc. are used for the sake of clarity only, and are not used to limit the scope of the present invention, and the relative relationship changes or adjustments may be made without substantial technical changes.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (2)
1. The flame-retardant fire-resistant high-strength armored optical cable containing the phosphorus-nitrogen flame retardant is characterized by comprising a flame-retardant reinforcement (1), a flame-retardant polyolefin tight sleeve (2), an optical fiber body (3), a first annular flame-retardant oxygen-isolating band (4), a first annular flame-retardant polyolefin sheath (5), a second annular flame-retardant oxygen-isolating band (6), a metal reinforcement (7), a third annular flame-retardant oxygen-isolating band (8) and a second annular flame-retardant polyolefin sheath (9);
the cross section of the flame-retardant reinforcing part (1) is circular, a plurality of flame-retardant polyolefin tight sleeves (2) are embedded into the flame-retardant reinforcing part (1), the flame-retardant polyolefin tight sleeves (2) are distributed in a rectangular array, and the plurality of flame-retardant polyolefin tight sleeves (2) comprise optical fiber bodies (3);
the first annular flame-retardant oxygen-isolating belt (4) is sleeved on the outer side of the flame-retardant reinforcing piece (1); the outer side of the first annular flame-retardant oxygen-isolating belt (4) is sleeved with the first annular flame-retardant polyolefin sheath (5); the second annular flame-retardant oxygen-isolating belt (6) is sleeved on the outer side of the first annular flame-retardant polyolefin sheath (5); a third annular flame-retardant oxygen-insulating belt (8) is arranged on the outer side of the second annular flame-retardant oxygen-insulating belt (6); a second annular flame-retardant polyolefin sheath (9) is sleeved on the outer side of the third annular flame-retardant oxygen-isolating belt (8);
a plurality of metal reinforcing pieces (7) are arranged between the outer side of the second annular flame-retardant oxygen-isolating belt (6) and the inner side of the third annular flame-retardant oxygen-isolating belt (8), and the plurality of metal reinforcing pieces (7) are uniformly distributed in an annular shape;
the first annular flame-retardant polyolefin sheath (5) and the second annular flame-retardant polyolefin sheath (9) both contain phosphorus-nitrogen flame retardants.
2. The flame-retardant and flame-retardant high-strength armored optical cable containing the phosphorus-nitrogen flame retardant according to claim 1, wherein the metal strength member (7) has a circular cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122961023.7U CN217181282U (en) | 2021-11-30 | 2021-11-30 | Flame-retardant fire-resistant high-strength armored optical cable containing phosphorus-nitrogen flame retardant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122961023.7U CN217181282U (en) | 2021-11-30 | 2021-11-30 | Flame-retardant fire-resistant high-strength armored optical cable containing phosphorus-nitrogen flame retardant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217181282U true CN217181282U (en) | 2022-08-12 |
Family
ID=82706937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122961023.7U Expired - Fee Related CN217181282U (en) | 2021-11-30 | 2021-11-30 | Flame-retardant fire-resistant high-strength armored optical cable containing phosphorus-nitrogen flame retardant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217181282U (en) |
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2021
- 2021-11-30 CN CN202122961023.7U patent/CN217181282U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220812 |