High-temperature-resistant communication optical cable based on aerogel composite material coating

Abstract

The invention relates to the technical field of communication optical cables, in particular to a high-temperature-resistant communication optical cable based on an aerogel composite coating, which comprises an optical fiber, the outer side of the optical fiber is wrapped with a protection mechanism, a reinforcing mechanism is mounted on the protection mechanism, a marking mechanism is mounted on the reinforcing mechanism, and a connecting mechanism is mounted on the reinforcing mechanism; the optical fibers are protected through the protection mechanism, so that the optical fibers are resistant to high temperature and not prone to damage, the protection mechanism is further reinforced through installation of the reinforcing mechanism, the optical fibers are further protected, the service life of the optical fibers is guaranteed, the optical fibers in different fields are marked through installation of the marking mechanism, observation is facilitated, and errors are not prone to occurring. The optical fiber laying efficiency is improved, meanwhile, the cutting length of the optical fiber can be controlled more accurately, the reinforcing mechanism can be reinforced through the connecting mechanism, extrusion deformation during installation is prevented, and meanwhile connection with an external hanging piece through the connecting mechanism is more convenient to operate.

Description

Technical Field

[0001] The invention relates to the technical field of communication optical cables, in particular to a high temperature resistant communication optical cable based on an aerogel composite material coating. Background Art

[0002] With the rapid development of communication technology, the application demand of communication optical cables in high temperature and corrosive environments such as petrochemical, electric power, metallurgy, aerospace, etc. is increasing. Traditional communication optical cables are prone to problems such as material aging and performance degradation in high temperature environments, and it is difficult to meet the long-term stable operation requirements in extreme environments.

[0003] Existing high-temperature resistant optical cables mostly use metal sheaths or special polymer materials, but these materials are often heavy, expensive, and have limited thermal insulation performance. Aerogel materials have been widely used in the field of thermal insulation in recent years due to their extremely low thermal conductivity and excellent high-temperature resistance. However, the application of aerogel materials in the design of communication optical cables still faces many challenges, such as how to achieve effective compounding of aerogel with other materials, how to ensure the mechanical strength and flexibility of optical cables, etc. In addition, traditional optical cables lack all of the same color, which is not convenient for good marking and is prone to errors when installing multiple optical cables. At the same time, there is a lack of scales on the optical cables, which makes it difficult to quickly measure the size when laying and cutting, resulting in reduced installation efficiency. In addition, it is not convenient to perform quick temporary fixation during laying, which results in the need to lift the optical cable when fixing, which is time-consuming and labor-intensive. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a high temperature resistant communication optical cable based on an aerogel composite coating.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a high-temperature resistant communication optical cable based on an aerogel composite material coating, comprising an optical fiber, a protective mechanism wrapped around the outer side of the optical fiber, a reinforcement mechanism installed on the protective mechanism, a marking mechanism installed on the reinforcement mechanism, and a connecting mechanism installed on the reinforcement mechanism.

[0006] Specifically, the protective mechanism includes a thermoplastic sleeve, multiple optical fibers are wrapped with a thermoplastic sleeve on the outside, the thermoplastic sleeve is made of polybutylene terephthalate material, the thermoplastic sleeve contains a water-blocking material, multiple thermoplastic sleeves wrapped with the optical fibers are wrapped with an aerogel coating on the outside, multiple thermoplastic sleeves and the inner side of the aerogel coating are distributed in a ring shape, the aerogel coating is wrapped with a reinforcement layer on the outside, the reinforcement layer is wrapped with a protective sleeve on the outside, the aerogel composite material coating is composited with silica aerogel and a high-temperature resistant polymer, the reinforcement layer is made of aramid fiber, and the protective sleeve is made of flame-retardant, low-smoke, halogen-free sheath material.

[0007] Specifically, a filling layer is provided inside the multiple thermoplastic sleeves, and the filling layer wraps around the outer sides of the multiple optical fibers.

[0008] Specifically, the reinforcement mechanism includes a steel wire reinforcement core, a steel wire reinforcement core is provided at the inner center of the protective sleeve, and the steel wire reinforcement core is located at the center of a plurality of thermoplastic sleeves distributed in a ring shape.

[0009] Specifically, the outer side of the protective sleeve is wrapped with a protective layer, and the interior of the protective layer is provided with a plurality of reinforcing ribs distributed in a ring shape.

[0010] Specifically, a shielding layer is embedded inside the protective layer, the shielding layer is a mesh structure, and the plurality of reinforcing ribs are located outside the shielding layer.

[0011] Specifically, the marking mechanism includes a card slot, a card slot is provided on the outer side of the protective layer, and a rubber strip is snap-connected inside the card slot.

[0012] Specifically, an external leakage scale is provided on the outer side of the rubber strip, the cross section of the rubber strip and the card slot is a "convex" shaped structure, and the rubber strip is detachably connected to the inside of the card slot.

[0013] Specifically, the connection mechanism includes a reinforcement sleeve, a plurality of equidistantly distributed reinforcement sleeves are installed inside the protective layer, the reinforcement sleeve is located between the protective layer and the protective sleeve, and the reinforcement sleeve is a circular ring structure.

[0014] Specifically, a plurality of equidistantly distributed rubber pads are provided on the outside of the protective layer, the rubber pads are triangular structures, through holes are provided on the rubber pads, and one end of the rubber pads extends to the inside of the protective layer and is connected to the side wall of the reinforcement sleeve.

[0015] The beneficial effects of the present invention are:

[0016] (1) The high temperature resistant communication optical cable based on aerogel composite material coating described in the present invention realizes protection of optical fibers through the wrapping of the protective mechanism and the outside of multiple optical fibers, making the optical fibers resistant to high temperatures and not easy to be damaged, thereby achieving stable data transmission, that is, through the cooperation of the thermoplastic sleeve, it is convenient to wrap and protect the multiple optical fibers, and the wrapping of the multiple thermoplastic sleeves by the aerogel coating plays a role of high temperature resistance, so that the optical fibers are protected. Through the coordinated installation of the reinforcement layer and the protective sleeve, the protection of the aerogel coating is realized, which facilitates the optical fibers to play the role of wear resistance, waterproofness and flame retardancy. Through the filling of the filling layer, it is convenient to position and protect the multiple optical fibers wrapped in the thermoplastic sleeve, so that the multiple optical fibers are not easy to move, and the damage caused by bending or friction is reduced.

[0017] (2) The high temperature resistant communication optical cable based on aerogel composite material coating described in the present invention is conducive to further reinforcing the protection mechanism through the installation of a reinforcement mechanism, so that the optical fiber is further protected and the practical life of the optical fiber is guaranteed. That is: through the installation of a steel wire reinforcement core, the wrapped optical fiber has good tensile resistance, which ensures that the optical fiber is stably installed and will not break during laying. Through the installation of a protective layer, it is conducive to playing a flame retardant and wear-resistant role, and reinforcing the protective cover. Through the installation of multiple reinforcing ribs, it is conducive to increasing the torsional force of the protective layer, which will not be torsionally damaged, and also play a role of resisting pulling. Through the installation of a shielding layer, it is conducive to playing a role of shielding interference, so that the data inside the optical fiber can be well transmitted without interference affecting the transmission quality.

[0018] (3) The high temperature resistant communication optical cable based on aerogel composite material coating described in the present invention is conducive to marking optical fibers in different fields through the installation of a marking mechanism, which is convenient for observation and error-prone, thereby improving the efficiency of optical fiber laying and more accurately controlling the cutting length of the optical fiber, that is, by opening a card slot, it is convenient to snap-fit ​​and install rubber strips of specified colors, and by snapping rubber strips of different colors on multiple protective layers, it plays a role of classification and reduces errors during optical fiber installation. By opening an external leakage scale, it is convenient to quickly confirm the length of the optical fiber and facilitate accurate cutting during laying. The operation is convenient and the installation efficiency is improved. The detachable installation of the rubber strip and the card slot can be replaced.

[0019] (4) The high temperature resistant communication optical cable based on aerogel composite material coating described in the present invention is conducive to reinforcing the reinforcement mechanism through the installation of the connecting mechanism to prevent extrusion and deformation during installation. At the same time, it is convenient to connect with the external hanger through the connecting mechanism, and the operation is more convenient. That is: through the installation of the reinforcement sleeve, it is conducive to reinforcing the protective layer, so that it can play a compressive role when the optical fiber is laid, and the aerogel coating, filling layer, etc. will not be squeezed and deformed. Through the installation of the rubber pad and the reinforcement sleeve, it is conducive to temporary fixation of the optical fiber when it is laid underground through the cooperation of the rubber pad and the through hole, which is convenient and labor-saving for subsequent fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 A schematic diagram of the overall structure provided by the present invention;

[0022] Figure 2 It is a schematic diagram of the connection structure of the optical fiber, the thermoplastic sleeve and the aerogel coating of the present invention;

[0023] Figure 3 It is a schematic diagram of the connection structure between the rubber strip and the protective layer of the present invention;

[0024] Figure 4 It is a schematic diagram of the connection structure between the external leakage scale and the rubber strip of the present invention;

[0025] Figure 5 It is a schematic diagram of the connection structure between the rubber pad and the reinforcement sleeve of the present invention.

[0026] In the figure: 1. optical fiber; 2. protection mechanism; 201. protection sleeve; 202. reinforcement layer; 203. aerogel coating; 204. filling layer; 205. thermoplastic sleeve; 3. reinforcement mechanism; 301. steel wire reinforcement core; 302. shielding layer; 303. reinforcement rib; 304. protection layer; 4. marking mechanism; 401. rubber strip; 402. slot; 403. external leakage scale; 5. connection mechanism; 501. rubber pad; 502. through hole; 503. reinforcement sleeve. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] like Figure 1 and Figure 4 As shown, a high temperature resistant communication optical cable based on aerogel composite material coating described in the present invention comprises an optical fiber 1, the outer side of the optical fiber 1 is wrapped with a protective mechanism 2, a reinforcement mechanism 3 is installed on the protective mechanism 2, a marking mechanism 4 is installed on the reinforcement mechanism 3, and a connecting mechanism 5 is installed on the reinforcement mechanism 3.

[0029] Specifically, Figure 1 and Figure 2As shown, the protective mechanism 2 includes a thermoplastic sleeve 205, and the outer side of the plurality of optical fibers 1 is wrapped with the thermoplastic sleeve 205, the thermoplastic sleeve 205 is made of polybutylene terephthalate material, and the thermoplastic sleeve 205 contains a water-blocking material, and the outer side of the plurality of thermoplastic sleeves 205 wrapped with the optical fibers 1 is wrapped with an aerogel coating 203, and the plurality of thermoplastic sleeves 205 and the inner side of the aerogel coating 203 are distributed in an annular manner, the outer side of the aerogel coating 203 is wrapped with a reinforcing layer 202, and the outer side of the reinforcing layer 202 is wrapped with a protective sleeve 201, and the aerogel composite material coating It is composited with silica aerogel and high temperature resistant polymer, the reinforcing layer 202 is made of aramid fiber, the protective sleeve 201 is made of flame retardant low smoke halogen-free sheath material, and the cooperation of the thermoplastic sleeve 205 is conducive to wrapping and protecting the multiple optical fibers 1. The aerogel coating 203 wraps the multiple thermoplastic sleeves 205 to achieve high temperature resistance, so that the optical fibers 1 are protected. The reinforcing layer 202 and the protective sleeve 201 are installed in coordination to protect the aerogel coating 203, so that the optical fibers 1 are wear-resistant, waterproof and flame-retardant.

[0030] Specifically, Figure 1 and Figure 2 As shown, a filling layer 204 is provided inside the multiple thermoplastic sleeves 205, and the filling layer 204 is wrapped around the outer sides of the multiple optical fibers 1. The filling of the filling layer 204 facilitates positioning and protection of the multiple optical fibers 1 wrapped inside the thermoplastic sleeves 205, making it difficult for the multiple optical fibers 1 to move, thereby reducing damage caused by bending or friction.

[0031] Specifically, Figure 1 and Figure 2 As shown, the reinforcement mechanism 3 includes a steel wire reinforcement core 301. The steel wire reinforcement core 301 is arranged at the inner center of the protective sleeve 201. The steel wire reinforcement core 301 is located at the center of a plurality of thermoplastic sleeves 205 distributed in a ring shape. The installation of the steel wire reinforcement core 301 is conducive to making the wrapped optical fiber 1 have good tensile resistance, thereby ensuring that the optical fiber 1 is stably installed and will not break during laying.

[0032] Specifically, Figure 1 and Figure 2 As shown, the outer side of the protective sleeve 201 is wrapped with a protective layer 304, and a plurality of reinforcing ribs 303 distributed in a ring shape are arranged inside the protective layer 304. The installation of the protective layer 304 is conducive to playing a flame retardant and wear-resistant role, and reinforcing the protective sleeve 201. The installation of a plurality of the reinforcing ribs 303 is conducive to increasing the torsional force of the protective layer 304, and it will not be twisted and damaged, and it also plays a role in resisting pulling.

[0033] Specifically, Figure 1 and Figure 2 As shown, a shielding layer 302 is embedded inside the protective layer 304, and the shielding layer 302 is a mesh structure. The plurality of reinforcing ribs 303 are located outside the shielding layer 302. The installation of the shielding layer 302 is beneficial to shield interference, so that the data inside the optical fiber 1 can be well transmitted without interference affecting the transmission quality.

[0034] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, the marking mechanism 4 includes a card slot 402, and the card slot 402 is provided on the outside of the protective layer 304. A rubber strip 401 is snap-connected inside the card slot 402. The opening of the card slot 402 facilitates the snap-fit ​​installation of the rubber strip 401 of a specified color. By snapping the rubber strips 401 of different colors on multiple protective layers 304, a classification function is achieved, thereby reducing errors in the installation of the optical fiber 1.

[0035] Specifically, Figure 3 and Figure 4 As shown, an external leakage scale 403 is provided on the outside of the rubber strip 401, and the cross-section of the rubber strip 401 and the card slot 402 is a "convex" shaped structure. The rubber strip 401 is detachably connected to the inside of the card slot 402. The opening of the external leakage scale 403 is conducive to quickly confirming the length of the optical fiber 1, and facilitates accurate cutting during laying. The operation is convenient and the installation efficiency is improved. The detachable installation of the rubber strip 401 and the card slot 402 plays a role in replacement.

[0036] Specifically, Figure 5 As shown, the connecting mechanism 5 includes a reinforcement sleeve 503, and a plurality of equidistantly distributed reinforcement sleeves 503 are installed inside the protective layer 304. The reinforcement sleeve 503 is located between the protective layer 304 and the protective sleeve 201. The reinforcement sleeve 503 is a circular ring structure. The installation of the reinforcement sleeve 503 is conducive to reinforcing the protective layer 304, so that the optical fiber 1 can play a compressive role when laying, and the aerogel coating 203, the filling layer 204, etc. will not be squeezed and deformed.

[0037] Specifically, Figure 1 and Figure 5As shown, a plurality of equidistantly distributed rubber pads 501 are provided on the outside of the protective layer 304, the rubber pad 501 is a triangular structure, a through hole 502 is provided on the rubber pad 501, one end of the rubber pad 501 extends to the inside of the protective layer 304 and is connected to the side wall of the reinforcement sleeve 503. Through the installation of the rubber pad 501 and the reinforcement sleeve 503, it is convenient to temporarily fix the optical fiber 1 when it is laid underground through the cooperation of the rubber pad 501 and the through hole 502, which is convenient and labor-saving to operate during subsequent fixing.

[0038] When the present invention is used, first, silica aerogel and high temperature resistant polymer are mixed in proportion to form a composite material, and PBT material is coated on the outside of the optical fiber 1 to form a thermoplastic sleeve 205, which is then twisted into a cable core; the aerogel composite material is coated on the outside of the cable core to form an aerogel coating 203, and aramid fiber is arranged on the outside of the aerogel coating 203 to form a reinforcement layer 202, and a flame retardant low-smoke halogen-free sheath material is extruded on the outside of the reinforcement layer 202 to form a protective sleeve 201, and the thermoplastic sleeve 205 is used to wrap and protect multiple optical fibers 1, and the aerogel coating 203 is used to protect multiple thermoplastic sleeves 205. The wrapping plays a role of high temperature resistance, so that the optical fiber 1 is protected. Through the coordinated installation of the reinforcement layer 202 and the protective sleeve 201, the aerogel coating 203 is protected, which is convenient for the optical fiber 1 to play the role of wear resistance, waterproof and flame retardant. Through the filling of the filling layer 204, it is beneficial to position and protect the multiple optical fibers 1 wrapped in the thermoplastic sleeve 205, so that the multiple optical fibers 1 are not easy to move, and the damage caused by bending or friction is reduced. Through the installation of the steel wire reinforcement core 301, it is beneficial to make the wrapped optical fiber 1 have good tensile resistance, ensuring that the optical fiber 1 is installed stably and will not break when it is laid. Through the installation of the protective layer 304, it is beneficial to play the role of flame retardant and resistant The protective sleeve 201 is reinforced by the effect of grinding. The installation of multiple reinforcing ribs 303 is conducive to increasing the torsional force of the protective layer 304, which will not be torsionally damaged, and also plays a role in resisting pulling. The installation of the shielding layer 302 is conducive to shielding interference, so that the data inside the optical fiber 1 can be well transmitted without interference affecting the transmission quality. The opening of the card slot 402 is conducive to the clamping and installation of the rubber strip 401 of the specified color. By clamping the rubber strips 401 of different colors on the multiple protective layers 304, the classification is played to reduce the error in the installation of the optical fiber 1. The opening is conducive to quickly confirming the length of the optical fiber 1, and is convenient for accurate cutting when laying. The operation is convenient and the installation efficiency is improved. The detachable installation of the rubber strip 401 and the card slot 402 can be replaced. The installation of the reinforcement sleeve 503 can help reinforce the protective layer 304, so that the optical fiber 1 can be compressed when laid, and the aerogel coating 203, the filling layer 204, etc. will not be squeezed and deformed. The installation of the rubber pad 501 and the reinforcement sleeve 503 can help temporarily fix the optical fiber 1 when it is laid underground through the cooperation of the rubber pad 501 and the through hole 502, which is convenient and labor-saving for subsequent fixation.

[0039] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0040] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high temperature resistant communication optical cable based on aerogel composite coating, characterized in that: It comprises an optical fiber (1), the outer side of the optical fiber (1) is wrapped with a protection mechanism (2), a reinforcement mechanism (3) is installed on the protection mechanism (2), a marking mechanism (4) is installed on the reinforcement mechanism (3), and a connection mechanism (5) is installed on the reinforcement mechanism (3); The protective mechanism (2) comprises a thermoplastic sleeve (205), the outer sides of the plurality of optical fibers (1) are wrapped with the thermoplastic sleeve (205), the thermoplastic sleeve (205) is made of polybutylene terephthalate material, the thermoplastic sleeve (205) contains a water-blocking material, the outer sides of the plurality of thermoplastic sleeves (205) wrapped with the optical fibers (1) are wrapped with an aerogel coating (203), the plurality of thermoplastic sleeves (205) and the inner sides of the aerogel coating (203) are distributed in a ring shape, the outer sides of the aerogel coating (203) are wrapped with a reinforcement layer (202), the outer sides of the reinforcement layer (202) are wrapped with a protective sleeve (201), the aerogel coating (203) is composited with silica aerogel and a high temperature resistant polymer, the reinforcement layer (202) is made of aramid fiber, and the protective sleeve (201) is made of flame retardant low smoke halogen-free sheath material.

2. A high temperature resistant communication optical cable based on aerogel composite material coating according to claim 1, characterized in that: A filling layer (204) is provided inside the multiple thermoplastic sleeves (205), and the filling layer (204) wraps around the outer sides of the multiple optical fibers (1).

3. The high temperature resistant communication optical cable based on aerogel composite coating according to claim 1, characterized in that: The reinforcement mechanism (3) comprises a steel wire reinforcement core (301), and the steel wire reinforcement core (301) is provided at the center of the interior of the protective sleeve (201), and the steel wire reinforcement core (301) is located at the center of a plurality of thermoplastic sleeves (205) distributed in an annular shape.

4. The high temperature resistant communication optical cable based on aerogel composite coating according to claim 1, characterized in that: The outer side of the protective sleeve (201) is wrapped with a protective layer (304), and the interior of the protective layer (304) is provided with a plurality of reinforcing ribs (303) distributed in an annular shape.

5. The high temperature resistant communication optical cable based on aerogel composite material coating according to claim 4, characterized in that: A shielding layer (302) is embedded inside the protective layer (304), the shielding layer (302) is a mesh structure, and the plurality of reinforcing ribs (303) are located outside the shielding layer (302).

6. A high temperature resistant communication optical cable based on aerogel composite material coating according to claim 5, characterized in that: The marking mechanism (4) comprises a card slot (402), the card slot (402) is arranged on the outside of the protective layer (304), and a rubber strip (401) is snap-connected inside the card slot (402).

7. A high temperature resistant communication optical cable based on aerogel composite material coating according to claim 6, characterized in that: An external leakage scale (403) is provided on the outside of the rubber strip (401); the cross-sections of the rubber strip (401) and the card slot (402) are of a "convex"-shaped structure; the rubber strip (401) and the card slot (402) are detachably connected to each other.

8. The high temperature resistant communication optical cable based on aerogel composite material coating according to claim 4, characterized in that: The connection mechanism (5) comprises a reinforcement sleeve (503), a plurality of reinforcement sleeves (503) distributed at equal distances are installed inside the protective layer (304), the reinforcement sleeve (503) is located between the protective layer (304) and the protective sleeve (201), and the reinforcement sleeve (503) is a circular ring structure.

9. A high temperature resistant communication optical cable based on aerogel composite material coating according to claim 8, characterized in that: A plurality of equidistantly distributed rubber pads (501) are arranged on the outside of the protective layer (304); the rubber pads (501) are triangular structures; a through hole (502) is arranged on the rubber pads (501); one end of the rubber pads (501) extends to the inside of the protective layer (304) and is connected to the side wall of the reinforcement sleeve (503).

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