CN112462478A - Flame-retardant high-temperature-resistant optical cable and using method thereof - Google Patents
Flame-retardant high-temperature-resistant optical cable and using method thereof Download PDFInfo
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- CN112462478A CN112462478A CN202011454007.2A CN202011454007A CN112462478A CN 112462478 A CN112462478 A CN 112462478A CN 202011454007 A CN202011454007 A CN 202011454007A CN 112462478 A CN112462478 A CN 112462478A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4417—High voltage aspects, e.g. in cladding
- G02B6/442—Insulators
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a flame-retardant high-temperature-resistant optical cable and a using method thereof, relates to the technical field of optical cables, and aims to solve the problems that the existing optical cable is inflammable and cannot resist high temperature when being used in some special outdoor severe environments, so that the used maintenance cost is increased, and the using cost is also greatly increased. The heat dissipation structure is characterized in that a waterproof layer is arranged in the outer skin, a mica tape insulating layer is arranged in the waterproof layer, a first fireproof layer is arranged in the mica tape insulating layer, an anti-oxidation layer is arranged in the first fireproof layer, a plurality of first air holes distributed at equal intervals are formed in the anti-oxidation layer, a plastic protection sleeve is arranged in the anti-oxidation layer, a ventilation layer is arranged in the plastic protection sleeve, a heat dissipation sleeve is arranged in the ventilation layer, optical fibers are arranged in the heat dissipation sleeve, and cooling fins distributed at equal intervals are arranged at the outer end of.
Description
Technical Field
The invention relates to the technical field of optical cables, in particular to a flame-retardant high-temperature-resistant optical cable and a using method thereof.
Background
The optical cable is a communication line which uses one or more optical fibers as transmission media and can be used individually or in groups, wherein the optical cable is a communication cable assembly which uses a certain number of optical fibers as transmission media and is formed into a cable core in a certain mode, and is externally covered by a sheath or an outer protective layer to realize optical signal transmission.
Nowadays along with the development of science and technology and the continuous progress of era, because of communication optical cable has bigger transmission capacity than copper line cable for the optical cable becomes life and public society uses indispensable partly gradually, and the optical cable is used for outdoor consequently also progressively to its service quality, and the optical cable that has now used has easily not high temperature resistant maintenance cost after making the use to improve under some special adverse circumstances's of open air use, and use cost also promotes by a wide margin.
Disclosure of Invention
The invention aims to provide a flame-retardant high-temperature-resistant optical cable and a using method thereof, and aims to solve the problems that the existing optical cable used in the prior art is inflammable and cannot resist high temperature when used in some special severe outdoor environments, so that the used maintenance cost is increased, and the using cost is also greatly increased.
In order to achieve the purpose, the invention provides the following technical scheme: the flame-retardant high-temperature-resistant optical cable comprises a sheath, wherein a waterproof layer is arranged in the sheath, a mica tape insulating layer is arranged in the waterproof layer, a first fireproof layer is arranged in the mica tape insulating layer, an anti-oxidation layer is arranged in the first fireproof layer, a plurality of first air holes distributed at equal intervals are formed in the anti-oxidation layer, a plastic protective sleeve is arranged in the anti-oxidation layer, a ventilation layer is arranged in the plastic protective sleeve, a heat dissipation sleeve is arranged in the ventilation layer, optical fibers are arranged in the heat dissipation sleeve, and radiating fins distributed at equal intervals are arranged at the outer end of the anti-.
Preferably, the crust outer end is provided with the sleeve pipe of symmetry, two sleeve pipe and crust fixed connection, a plurality of equidistance second bleeder vent and the third bleeder vent that distributes are seted up to the crust outer end, a plurality of second bleeder vent and third bleeder vent are located the sleeve pipe below.
Preferably, two sleeve pipe one side is seted up symmetrical first ventilative opening and second ventilative opening, the crust outer end is provided with symmetrical first lug and second lug, two first lug and second lug are located first ventilative opening and second ventilative opening.
Preferably, a plurality of third ventilation openings are formed in the plurality of radiating fins at equal intervals, the optical fiber is movably connected with the radiating sleeve, the plurality of radiating fins are fixedly connected with the anti-oxidation layer, and the plurality of radiating fins are movably connected with the first fireproof layer.
Preferably, a plurality of supporting plates which are distributed at equal intervals are arranged in the heat dissipation sleeve, the upper end of each optical fiber is provided with a limiting pipe, the supporting plates are connected with the limiting pipes in a sliding mode, the rear ends of the limiting pipes are provided with sliding blocks, and the sliding blocks are movably connected with the supporting plates.
Preferably, a plurality of supporting plates are internally provided with sliding grooves, a plurality of sliding grooves are internally provided with springs, and the springs are fixedly connected with the sliding blocks.
Preferably, a second fireproof layer is arranged at the rear end of the first fireproof layer, and the first fireproof layer and the second fireproof layer are movably connected.
Preferably, the rear end of the first fireproof layer is provided with a groove, the front end of the second fireproof layer is provided with a fixture block, the fixture block is connected with the groove in a clamping mode, and the front end of the fixture block is provided with an adsorption layer.
A use method of a flame-retardant high-temperature-resistant optical cable comprises the following steps:
step 1: firstly, when the optical cable needs to be replaced, the first fireproof layer and the second fireproof layer can be respectively drawn out from two sides and then sleeved with a new first fireproof layer and a new second fireproof layer, so that the first fireproof layer is clamped with the adsorption layer of the fixture block at the front end of the second fireproof layer through the groove at the rear end, and the adsorption layer can increase the fixing stability;
step 2: if the size of the optical cable needs to be changed during use, proper optical fibers are firstly stretched between the limiting pipes, and the springs arranged at the upper ends of the limiting pipes can enable the sliding blocks to slide into the sliding grooves of the abutting plates, so that the optical fibers can be fixed inside, the practicability and flexibility of the optical cable are improved, and later maintenance and replacement are facilitated;
and step 3: and the third ventilative opening that sets up in the fin at the optical cable in-process that uses can increase radiating effect, and the board that supports that sets up in the heat dissipation cover can increase the space between optical fiber and the heat dissipation cover both can avoid outside high temperature to its influence, can increase the heat that the optical cable produced when using simultaneously and can distribute away better.
Compared with the prior art, the invention has the beneficial effects that:
1. this fire-retardant high temperature resistant optical cable, waterproof layer through setting up in the skin can play dampproofing and waterproofing's effect, the mica tape insulating layer of setting can play the effect of shielding external interference signal, the first flame retardant coating of setting can its effect to fire-retardant, the oxidation prevention coating that sets up increases optical fiber's life, reduce use cost, simultaneously radiating effect can be played to first bleeder vent of seting up in oxidation prevention coating, from this play high temperature resistance's effect, the heat dissipation cover of setting can play radiating effect when optical fiber uses, the fin of setting simultaneously can support certain heat dissipation space, the board of supporting that sets up in the heat dissipation cover can increase the space between optical fiber and the heat dissipation cover and both can avoid outside high temperature to its influence, the heat that produces when can increase the optical cable use can better distribute away simultaneously.
2. This fire-retardant high temperature resistant optical cable leads to the first ventilative opening and the ventilative opening of second that offer in sleeve pipe one side and can increase the circulation between inside and the outside air, and owing to the first lug and the second lug that set up in the crust outer end can shelter from the rainwater entering in second bleeder vent and third bleeder vent one side, keeps the feasibility of using.
3. This fire-retardant high temperature resistant optical cable can make the slider adjust according to different thickness optical fiber at the spring through the spout of seting up in supporting the board, increases the use flexibility ratio of structure, and the later maintenance and the change of being convenient for change when first flame retardant coating and second flame retardant coating can be convenient for later maintenance, ensure fire-retardant effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A of the present invention;
FIG. 5 is an enlarged view of the structure at B of the present invention;
fig. 6 is a schematic side view of the present invention.
In the figure: 1. a skin; 2. a waterproof layer; 3. a mica tape insulating layer; 4. a first fire resistant layer; 5. an oxidation-resistant layer; 6. a first air vent; 7. a plastic protective sleeve; 8. a breathable layer; 9. a heat dissipation sleeve; 10. an optical fiber; 11. a heat sink; 12. a sleeve; 13. a second air hole; 14. a third air hole; 15. A first air-permeable opening; 16. a second air-permeable opening; 17. a first bump; 18. a second bump; 19. A third air-permeable opening; 20. a resisting plate; 21. a limiting pipe; 22. a slider; 23. a chute; 24. a spring; 25. a second fire-resistant layer; 26. a groove; 27. a clamping block; 28. and an adsorption layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an embodiment of the present invention is shown: the utility model provides a fire-retardant high temperature resistant optical cable, including crust 1, be provided with waterproof layer 2 in the crust 1, be provided with mica tape insulating layer 3 in the waterproof layer 2, be provided with first flame retardant coating 4 in the mica tape insulating layer 3, be provided with anti-oxidation coating 5 in the first flame retardant coating 4, set up the first bleeder vent 6 that a plurality of equidistance distributes in the anti-oxidation coating 5, be provided with plastic protection cover 7 in the anti-oxidation coating 5, be provided with ventilative layer 8 in the plastic protection cover 7, be provided with heat dissipation cover 9 in the ventilative layer 8, be provided with optical fiber 10 in the heat dissipation cover 9, anti-oxidation.
Furthermore, the outer end of the sheath 1 is provided with symmetrical sleeves 12, the two sleeves 12 are fixedly connected with the sheath 1, the outer end of the sheath 1 is provided with a plurality of second air holes 13 and third air holes 14 which are distributed at equal intervals, the plurality of second air holes 13 and third air holes 14 are positioned below the sleeves 12, the waterproof layer 2 arranged in the sheath 1 can play a role of waterproof and damp-proof, the arranged mica tape insulating layer 3 can play a role of shielding external interference signals, the arranged first fireproof layer 4 can play a role of flame retardance, the arranged anti-oxidation layer 5 can prolong the service life of the optical fiber 10 and reduce the use cost, meanwhile, the first air holes 6 arranged in the anti-oxidation layer 5 can play a role of heat dissipation, thereby playing a role of high temperature resistance, the arranged heat dissipation sleeve 9 can play a role of heat dissipation when the optical fiber 10 is used, and the arranged heat dissipation fins 11 can support a certain heat dissipation space, the heat dissipation effect is improved to achieve the effect of high temperature resistance.
Furthermore, a first ventilation opening 15 and a second ventilation opening 16 which are symmetrical are formed in one side of each of the two sleeves 12, a first protrusion 17 and a second protrusion 18 which are symmetrical are formed in the outer end of the outer skin 1, the two first protrusions 17 and the two second protrusions 18 are located in the first ventilation opening 15 and the second ventilation opening 16, the first ventilation opening 15 and the second ventilation opening 16 formed in one side of each of the sleeves 12 can increase the circulation between the inside and the outside air, and the first protrusion 17 and the second protrusion 18 which are formed in the outer end of the outer skin 1 can shield rainwater from entering the second ventilation hole 13 and the third ventilation hole 14, so that the feasibility of use is maintained.
Furthermore, a plurality of third ventilation openings 19 distributed at equal intervals are formed in the plurality of radiating fins 11, the optical fiber 10 is movably connected with the radiating sleeve 9, the plurality of radiating fins 11 are fixedly connected with the anti-oxidation layer 5, the plurality of radiating fins 11 are movably connected with the first fireproof layer 4, and the radiating effect can be improved through the third ventilation openings 19 formed in the radiating fins 11.
Further, be provided with the board 20 that supports that a plurality of equidistance distributes in the heat dissipation cover 9, optical fiber 10 upper end all is provided with spacing pipe 21, a plurality of supports board 20 and spacing pipe 21 sliding connection, the spacing pipe 21 rear end of a plurality of all is provided with slider 22, a plurality of slider 22 with support board 20 swing joint, can increase the space between optical fiber 10 and the heat dissipation cover 9 through the board 20 that supports that sets up in the heat dissipation cover 9 and both can avoid outside high temperature to its influence, the heat that produces when can increase the optical cable and use simultaneously can better distribute away.
Further, a plurality of butts and has all seted up spout 23 in the board 20, all is provided with spring 24 in a plurality of spout 23, a plurality of spring 24 and slider 22 fixed connection, and spout 23 through seting up in butts the board 20 can make slider 22 adjust according to different thickness optical fiber 10 at spring 24, increases the use flexibility ratio of structure, the later maintenance and the change of being convenient for.
Further, 4 rear ends of first flame retardant coating are provided with second flame retardant coating 25, and first flame retardant coating 4 and second flame retardant coating 25 are swing joint, change when can be convenient for later maintenance through first flame retardant coating 4 and second flame retardant coating 25, ensure fire-retardant effect.
Further, a groove 26 is formed in the rear end of the first fireproof layer 4, a clamping block 27 is arranged at the front end of the second fireproof layer 25, the clamping block 27 is connected with the groove 26 in a clamping mode, an adsorption layer 28 is arranged at the front end of the clamping block 27, and the first fireproof layer 4 and the second fireproof layer 25 can be conveniently adsorbed by each other through the groove 26 and the clamping block 27 to facilitate replacement.
A use method of a flame-retardant high-temperature-resistant optical cable comprises the following steps:
step 1: firstly, when the optical cable is used and the first fireproof layer 4 and the second fireproof layer 25 need to be replaced, the first fireproof layer 4 and the second fireproof layer 25 can be respectively drawn out from two sides and then sleeved with new first fireproof layer 4 and second fireproof layer 25, so that the first fireproof layer 4 is clamped with the adsorption layer 28 of the fixture block 27 at the front end of the second fireproof layer 25 through the groove 26 at the rear end, and the adsorption layer 28 can increase the fixing stability;
step 2: if the optical cable needs to be replaced in size when in use, the proper optical fiber 10 is firstly stretched between the limiting tubes 21, and the sliding block 22 can slide into the sliding groove 23 of the abutting plate 20 due to the spring 24 arranged at the upper end of the limiting tube 21, so that the optical fiber 10 can be fixed in the sliding groove, the practicability and flexibility of the optical cable are increased, and the optical cable is convenient to maintain and replace at a later stage;
and step 3: the third ventilation opening 19 formed in the heat dissipation sheet 11 can increase the heat dissipation effect during the use of the optical cable, and the abutting plate 20 arranged in the heat dissipation sleeve 9 can increase the space between the optical fiber 10 and the heat dissipation sleeve 9, so that the influence of external high temperature on the optical fiber can be avoided, and the heat generated during the use of the optical cable can be increased to be better dissipated.
The working principle is as follows: when the optical cable is used, firstly, when the first fireproof layer 4 and the second fireproof layer 25 need to be replaced, the optical cable can be respectively drawn out from two sides and then sleeved with a new first fireproof layer 4 and a new second fireproof layer 25, so that the first fireproof layer 4 is clamped with the adsorption layer 28 of the front end clamping block 27 of the second fireproof layer 25 through the groove 26 at the rear end, and the adsorption layer 28 can increase the fixing stability, if the optical cable needs to be replaced in size when in use, the proper optical fiber 10 is firstly stretched into the position between the limiting pipes 21, because the spring 24 arranged at the upper end of the limiting pipe 21 can enable the sliding block 22 to slide into the sliding groove 23 of the abutting plate 20, the optical fiber 10 can be fixed in, the practicability and flexibility of the optical cable are also increased, the later maintenance and replacement are convenient, and the third ventilation opening 19 arranged in the radiating fin 11 can increase the radiating effect in the use process of the optical cable, the abutting plate 20 arranged in the heat dissipation sleeve 9 can increase the space between the optical fiber 10 and the heat dissipation sleeve 9, thereby not only avoiding the influence of external high temperature on the heat dissipation sleeve 9, but also increasing the heat generated by the optical cable during use and better dissipating the heat, the waterproof layer 2 arranged in the sheath 1 can play a role of water and moisture prevention, the mica tape insulating layer 3 can play a role of shielding external interference signals, the first fireproof layer 4 and the second fireproof layer 25 can be conveniently replaced during later maintenance, thereby ensuring the flame retardant effect, the anti-oxidation layer 5 is arranged to prolong the service life of the optical fiber 10, reduce the use cost, the first air vent 6 arranged in the anti-oxidation layer 5 can play a role of heat dissipation, thereby playing a role of high temperature resistance, meanwhile, the first air vent 15 and the second air vent 16 arranged on one side of the sleeve 12 can increase the circulation between the internal air and the external air, and the first projection 17 and the second projection 18 provided at the outer end of the outer skin 1 can shield rainwater from entering at one side of the second vent hole 13 and the third vent hole 14, thereby maintaining the feasibility of use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A flame-retardant high-temperature-resistant optical cable comprises a sheath (1), and is characterized in that: the novel mica tape heat dissipation device is characterized in that a waterproof layer (2) is arranged in the sheath (1), a mica tape insulating layer (3) is arranged in the waterproof layer (2), a first fireproof layer (4) is arranged in the mica tape insulating layer (3), an anti-oxidation layer (5) is arranged in the first fireproof layer (4), a plurality of first air holes (6) distributed at equal intervals are formed in the anti-oxidation layer (5), a plastic protective sleeve (7) is arranged in the anti-oxidation layer (5), a ventilation layer (8) is arranged in the plastic protective sleeve (7), a heat dissipation sleeve (9) is arranged in the ventilation layer (8), optical fibers (10) are arranged in the heat dissipation sleeve (9), and cooling fins (11) distributed at equal intervals are arranged at the outer end of.
2. The flame-retardant high-temperature-resistant optical cable according to claim 1, wherein: sheath (1) outer end is provided with symmetrical sleeve pipe (12), two sleeve pipe (12) and sheath (1) fixed connection, second bleeder vent (13) and third bleeder vent (14), a plurality of that a plurality of equidistance distributes are seted up to sheath (1) outer end second bleeder vent (13) and third bleeder vent (14) are located sleeve pipe (12) below.
3. The flame-retardant high-temperature-resistant optical cable according to claim 2, wherein: two sleeve pipe (12) one side is seted up symmetrical first ventilative opening (15) and second ventilative opening (16), crust (1) outer end is provided with symmetrical first lug (17) and second lug (18), two first lug (17) and second lug (18) are located first ventilative opening (15) and second ventilative opening (16).
4. The flame-retardant high-temperature-resistant optical cable according to claim 1, wherein: a plurality of third ventilation openings (19) distributed at equal intervals are formed in the plurality of radiating fins (11), the optical fiber (10) is movably connected with the radiating sleeve (9), the plurality of radiating fins (11) are fixedly connected with the anti-oxidation layer (5), and the plurality of radiating fins (11) are movably connected with the first fireproof layer (4).
5. The flame-retardant high-temperature-resistant optical cable according to claim 1, wherein: the heat dissipation device is characterized in that a plurality of supporting plates (20) distributed at equal intervals are arranged in the heat dissipation sleeve (9), limiting pipes (21) are arranged at the upper ends of the optical fibers (10), the supporting plates (20) are connected with the limiting pipes (21) in a sliding mode, a plurality of sliding blocks (22) are arranged at the rear ends of the limiting pipes (21), and the sliding blocks (22) are movably connected with the supporting plates (20).
6. The flame-retardant high-temperature-resistant optical cable according to claim 5, wherein: sliding grooves (23) are formed in the plurality of abutting plates (20), springs (24) are arranged in the sliding grooves (23), and the plurality of springs (24) are fixedly connected with the sliding blocks (22).
7. The flame-retardant high-temperature-resistant optical cable according to claim 1, wherein: the rear end of the first fireproof layer (4) is provided with a second fireproof layer (25), and the first fireproof layer (4) is movably connected with the second fireproof layer (25).
8. The flame-retardant high-temperature-resistant optical cable according to claim 7, wherein: a groove (26) is formed in the rear end of the first fireproof layer (4), a clamping block (27) is arranged at the front end of the second fireproof layer (25), the clamping block (27) is connected with the groove (26) in a clamping mode, and an adsorption layer (28) is arranged at the front end of the clamping block (27).
9. The use method of the flame-retardant high-temperature-resistant optical cable based on any one of claims 1 to 8, characterized by comprising the following steps:
step 1: firstly, when the optical cable is used and the first fireproof layer (4) and the second fireproof layer (25) need to be replaced, the first fireproof layer and the second fireproof layer can be respectively drawn out from two sides and then sleeved with the new first fireproof layer (4) and the new second fireproof layer (25), so that the first fireproof layer (4) is clamped with the adsorption layer (28) of the fixture block (27) at the front end of the second fireproof layer (25) through the groove (26) at the rear end, and the adsorption layer (28) can increase the fixing stability;
step 2: if the size of the optical cable needs to be changed when the optical cable is used, proper optical fibers (10) are firstly stretched between the limiting pipes (21), and the sliding blocks (22) can slide in the sliding grooves (23) of the abutting plates (20) due to the springs (24) arranged at the upper ends of the limiting pipes (21), so that the optical fibers (10) can be fixed in the sliding grooves, the practicability and flexibility of the optical cable are improved, and later maintenance and replacement are facilitated;
and step 3: and the third ventilation opening (19) that sets up in fin (11) can increase radiating effect at the optical cable in the in-process that uses, and the board (20) of holding that sets up in heat dissipation cover (9) can increase the space between optical fiber (10) and heat dissipation cover (9) and both can avoid outside high temperature to its influence, can increase the heat that produces when the optical cable uses simultaneously and can distribute away better.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011454007.2A CN112462478A (en) | 2020-12-10 | 2020-12-10 | Flame-retardant high-temperature-resistant optical cable and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011454007.2A CN112462478A (en) | 2020-12-10 | 2020-12-10 | Flame-retardant high-temperature-resistant optical cable and using method thereof |
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| CN112462478A true CN112462478A (en) | 2021-03-09 |
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| CN208400531U (en) * | 2018-05-05 | 2019-01-18 | 春光线缆有限公司 | A kind of mineral fire prevention cable |
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| CN209674071U (en) * | 2019-04-24 | 2019-11-22 | 艾景奇 | A kind of electric power communication optical cable downlead Anti-freezing protection pipe |
| CN211788319U (en) * | 2020-04-27 | 2020-10-27 | 泛亚电缆有限公司 | Rubber sleeve cable with good heat dissipation performance |
| CN211929113U (en) * | 2020-04-27 | 2020-11-13 | 泛亚电缆有限公司 | Anti-corrosion control cable |
| CN211929070U (en) * | 2020-05-21 | 2020-11-13 | 无锡市天成线缆有限公司 | Intelligent high-reliability control cable |
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2020
- 2020-12-10 CN CN202011454007.2A patent/CN112462478A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6501887B1 (en) * | 2000-08-30 | 2002-12-31 | Corning Cable Systems Llc | Fiber optic cable having water blocking and flame retardant properties |
| CN204834123U (en) * | 2015-06-30 | 2015-12-02 | 章乐电缆（瑞金）有限公司 | High temperature resistant moisture resistant cable |
| CN206339730U (en) * | 2017-03-30 | 2017-07-18 | 长飞光纤光缆(上海)有限公司 | A kind of central beam tube dry type fire resistant flame retardant optical cable |
| CN107422439A (en) * | 2017-09-18 | 2017-12-01 | 东捷光电科技(苏州)有限公司 | A kind of underground pipe gallery monitors optical cable |
| CN208400531U (en) * | 2018-05-05 | 2019-01-18 | 春光线缆有限公司 | A kind of mineral fire prevention cable |
| CN209525492U (en) * | 2019-03-23 | 2019-10-22 | 江苏万华通信科技有限公司 | A kind of layer-stranding cable of high intensity |
| CN209674071U (en) * | 2019-04-24 | 2019-11-22 | 艾景奇 | A kind of electric power communication optical cable downlead Anti-freezing protection pipe |
| CN211788319U (en) * | 2020-04-27 | 2020-10-27 | 泛亚电缆有限公司 | Rubber sleeve cable with good heat dissipation performance |
| CN211929113U (en) * | 2020-04-27 | 2020-11-13 | 泛亚电缆有限公司 | Anti-corrosion control cable |
| CN211929070U (en) * | 2020-05-21 | 2020-11-13 | 无锡市天成线缆有限公司 | Intelligent high-reliability control cable |
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Application publication date: 20210309 |
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| RJ01 | Rejection of invention patent application after publication |