CN210015259U - Flexible fire-resistant optical cable with metal sheath - Google Patents
Flexible fire-resistant optical cable with metal sheath Download PDFInfo
- Publication number
- CN210015259U CN210015259U CN201920348125.1U CN201920348125U CN210015259U CN 210015259 U CN210015259 U CN 210015259U CN 201920348125 U CN201920348125 U CN 201920348125U CN 210015259 U CN210015259 U CN 210015259U
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- Prior art keywords
- fire
- resistant
- optical cable
- metal
- optical
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- 230000003287 optical effect Effects 0.000 title claims abstract description 33
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 title claims abstract description 22
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 14
- 239000011707 mineral Substances 0.000 claims abstract description 14
- 239000013307 optical fiber Substances 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- -1 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 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 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000003063 flame retardant Substances 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a flexible fire-resistant optical cable of metal sheath, oversheath, metal sheath, mineral flame retardant coating, the yarn and the enhancement core that blocks water that set gradually including outside-in, be equipped with a plurality of light unit in the mineral flame retardant coating, a plurality of light unit is along strengthening the peripheral evenly distributed of core, the yarn that blocks water is filled in light unit and the space department of strengthening between the core. The metal sheath flexible fire-resistant optical cable is suitable for fire alarm and emergency communication in important buildings and facilities, and has the advantages of compact structure, small outer diameter, fire resistance, water resistance, impact resistance and the like; the erection can be carried out by pipeline, overhead and direct-buried laying modes.
Description
Technical Field
The utility model relates to a flexible fire-resistant optical cable of metal sheath belongs to optical communication technical field.
Background
According to the recent fire statistics in China, the annual average occurrence frequency of electrical fires accounts for 27% of the annual average total occurrence frequency of the fire, accounts for 80% of the annual total occurrence frequency of the fire with a large weight, is the first cause of various fires, and the loss accounts for 53% of the total loss of the fire, while the annual occurrence frequency of the electrical fires in developed countries accounts for 8% -13% of the total occurrence frequency of the fire.
The fire hazard endangers life and property safety, once the fire hazard happens, rescue is extremely important, rescue equipment such as a fire pump, a fire-fighting smoke exhaust device, a fire elevator and emergency lighting becomes the guarantee for people to escape, and the 'life lines' of the guarantee are fire-resistant optical cables (cables); however, the existing communication optical cable contains a large amount of organic matters, and cannot ensure that communication is maintained under flame combustion at a specified temperature and time because the existing communication optical cable does not have fire resistance or has low fire resistance level in case of fire.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art's defect, provide a simple structure, fire-resistant, water-fast, the flexible fire-resistant optical cable of impact-resistant metal sheath.
In order to solve the technical problem, the utility model provides a flexible fire-resistant optical cable of metal sheath, its characterized in that: the waterproof cable comprises an outer sheath, a metal sheath, a mineral fire-resistant layer, a waterproof yarn and a reinforcing core, wherein the outer sheath, the metal sheath, the mineral fire-resistant layer, the waterproof yarn and the reinforcing core are sequentially arranged from outside to inside, a plurality of optical units are arranged in the mineral fire-resistant layer, the optical units are uniformly distributed along the periphery of the reinforcing core, and the waterproof yarn is filled in a gap between the optical units and the reinforcing core.
Further, the optical unit comprises a protective sleeve and a plurality of optical fibers arranged inside the protective sleeve, and fillers are arranged in gaps between the optical fibers and the protective sleeve and are fiber paste.
Further, the optical fiber is a temperature-resistant G.652 optical fiber.
Furthermore, the material of the protective sleeve is polybutylene terephthalate.
Furthermore, the material of the reinforced core is a glass fiber and epoxy resin composite material.
Furthermore, the material of the mineral fire-resistant layer is ceramic polyolefin.
Further, the metal sheath is a stainless steel corrugated pipe.
Further, the outer sheath is made of low-smoke halogen-free polyolefin.
The utility model discloses the beneficial effect who reaches: the metal sheath flexible fire-resistant optical cable is suitable for fire alarm and emergency communication in important buildings and facilities, and has the advantages of compact structure, small outer diameter, fire resistance, water resistance, impact resistance and the like; the erection can be carried out by pipeline, overhead and direct-buried laying modes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. an outer sheath; 2. a metal sheath; 3. a mineral refractory layer; 4. a reinforcing core; 5. water-blocking yarn; 6. an optical fiber; 7, fiber paste; 8. and (6) a protective sleeve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the utility model provides a flexible fire-resistant optical cable of metal sheath, including oversheath 1, metal sheath 2, the mineral flame retardant coating 3 that outside-in set gradually, the yarn 5 and strengthen the core 4 block water, be equipped with a plurality of light unit in the mineral flame retardant coating 3, a plurality of light unit is along strengthening the peripheral evenly distributed of core 4, block water yarn 5 and fill space department between light unit and strengthen core 4.
The optical unit comprises a protective sleeve 8 and a plurality of optical fibers 6 arranged inside the protective sleeve 8, and fillers are arranged in gaps between the optical fibers 6 and the protective sleeve 8 and are fiber paste 7. The optical fiber 6 is 2-12 core temperature resistant G.652 or other colored optical fibers, in the embodiment, 4 cores are adopted for the optical fiber, and the coloring treatment is carried out to facilitate the distinction; the outer diameter of the light unit is 1.8 mm; when the optical fiber unit is used, the number of optical fiber cores and the combination of different optical fibers can be realized by adjusting the outer diameter of the optical unit according to the communication transmission requirements of users, and the optical fiber unit meets the communication systems of the users with different transmission capacities and different rates. The material of the protective sleeve 8 is polybutylene terephthalate.
The reinforced core 4 is made of glass fiber and epoxy resin composite material.
The material of the mineral fire-resistant layer 3 is ceramic polyolefin, and the thickness is 2 mm.
The metal sheath 2 is a stainless steel corrugated pipe, and the thickness is 0.2 mm.
The material of oversheath 1 is low smoke and zero halogen polyolefin, and thickness is 1.8mm, and the external diameter is 15 mm.
The utility model discloses flexible fire-resistant optical cable of metal sheath has following advantage:
1. the capacity of the optical fiber is large: the capacity of the optical fiber can reach 2-12 cores, the requirements of large capacity and different optical fiber combinations can be realized, and the optical fiber can meet the communication systems with different transmission capacities and rates.
2. The fire resistance grade is high: can resist fire for 180min at 950-1000 ℃, and has water resistance and impact resistance.
3. The application range is wide: the communication transmission line of emergency equipment in important buildings and facilities which are relatively closed or centralized in personnel is suitable.
4. The installation and the laying are simple and convenient: small outer diameter and simple installation.
5. The service life is long: the service life can reach 30-40 years.
The metal sheath flexible fire-resistant optical cable has the advantages of compact structure, small outer diameter, fire resistance, water resistance, impact resistance and the like; the erection can be carried out by pipeline, overhead and direct-buried laying modes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. A flexible fire-resistant optical cable of metal sheath which characterized in that: the waterproof cable comprises an outer sheath, a metal sheath, a mineral fire-resistant layer, a waterproof yarn and a reinforcing core, wherein the outer sheath, the metal sheath, the mineral fire-resistant layer, the waterproof yarn and the reinforcing core are sequentially arranged from outside to inside, a plurality of optical units are arranged in the mineral fire-resistant layer, the optical units are uniformly distributed along the periphery of the reinforcing core, and the waterproof yarn is filled in a gap between the optical units and the reinforcing core.
2. A metal-sheathed flexible fire-resistant optical cable according to claim 1, wherein: the optical unit comprises a protective sleeve and a plurality of optical fibers arranged inside the protective sleeve, and fillers are arranged in gaps between the optical fibers and the protective sleeve and are fiber paste.
3. A metal-sheathed flexible fire-resistant optical cable according to claim 2, wherein: the optical fiber is a temperature-resistant G.652 optical fiber.
4. A metal-sheathed flexible fire-resistant optical cable according to claim 2, wherein: the protective sleeve is made of polybutylene terephthalate.
5. A metal-sheathed flexible fire-resistant optical cable according to claim 1, wherein: the reinforced core is made of glass fiber and epoxy resin composite materials.
6. A metal-sheathed flexible fire-resistant optical cable according to claim 1, wherein: the material of the mineral fire-resistant layer is ceramic polyolefin.
7. A metal-sheathed flexible fire-resistant optical cable according to claim 1, wherein: the metal sheath is a stainless steel corrugated pipe.
8. A metal-sheathed flexible fire-resistant optical cable according to claim 1, wherein: the outer sheath is made of low-smoke halogen-free polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348125.1U CN210015259U (en) | 2019-03-19 | 2019-03-19 | Flexible fire-resistant optical cable with metal sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348125.1U CN210015259U (en) | 2019-03-19 | 2019-03-19 | Flexible fire-resistant optical cable with metal sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210015259U true CN210015259U (en) | 2020-02-04 |
Family
ID=69313661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920348125.1U Active CN210015259U (en) | 2019-03-19 | 2019-03-19 | Flexible fire-resistant optical cable with metal sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210015259U (en) |
-
2019
- 2019-03-19 CN CN201920348125.1U patent/CN210015259U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240117 Address after: 214000, No. 58 Mashan Hushan Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Hongtu Optoelectronic Cable (Wuxi) Co.,Ltd. Address before: No. 11 Xinke Fourth Road, High tech Development Zone, Pukou District, Nanjing City, Jiangsu Province, 211106 Patentee before: JIANGSU HITEKER Co.,Ltd. |
|
| TR01 | Transfer of patent right |