CN218782447U - Novel optical cable with flame retardance and fire resistance - Google Patents

Abstract

The utility model relates to a novel fire-retardant fire resistance optical cable has, including outer lag, the inside fixed mounting of outer lag has interior lag, the inside fixed mounting of interior lag has the optic fibre body, the outside fixed mounting of optic fibre body has the pine pipe box, the inside fixed mounting of interior lag has the enhancement core. This novel fire-retardant fire-resistant optical cable that has, the transmission of signal is realized through inside optic fibre body usually to the optical cable in the use, for guaranteeing that optical cable life is longer, consequently improve the life of optical cable and inside optic fibre through increasing fire-retardant mechanism, at first carry out preliminary protection at the outside interior lag of optic fibre body through the parcel, then through setting up first flame retardant coating, the fire-retardant effect of second flame retardant coating improvement optical cable, then further improve the heat-resisting degree of optical cable through the heat-resisting layer, thereby prevent through the water blocking layer that water from getting into inside the realization extension optical cable life's effect of optical cable.

Description

Novel optical cable with flame retardance and fire resistance

Technical Field

The utility model relates to an optical cable technical field specifically is a novel fire-retardant fire-resistant optical cable has.

Background

The optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic outer skin, the optical cable is without metal such as gold, silver, copper and aluminum, and generally has no recovery value, the optical cable is a communication line formed by optical fiber (optical transmission carrier) through certain process, wherein the optical fiber is a cable core composed of a certain number of optical fibers according to a certain mode, and is externally coated with a sheath, and is also coated with an outer protective layer.

The existing optical cable is quite wide in application, has the advantages of large signal capacity and small transmission loss, is common in the existing optical cable in the current market, but the existing optical cable is poor in flame-retardant and fire-resistant effect in the using process, and is easy to damage when the internal and external temperatures are too high, and the problem of conveying optical cable signals is influenced, so that the social requirements are difficult to meet, and the novel optical cable with flame-retardant and fire-resistant properties is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel have fire-retardant fire-resistant optical cable possesses fire-resistant flame retardant effect's advantage, has solved current optical cable on the existing market and has used comparatively generally, and nevertheless current optical cable is fire-retardant fire-resistant effect not good in the use, and the too high optical cable that leads to of inside and outside temperature is impaired easily, influences the problem of the transport of optical cable signal simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a novel optical cable with flame retardance and fire resistance comprises an outer protective sleeve, wherein an inner protective sleeve is fixedly installed inside the outer protective sleeve, an optical fiber body is fixedly installed inside the inner protective sleeve, a loose tube sleeve is fixedly installed outside the optical fiber body, a reinforcing core is fixedly installed inside the inner protective sleeve, and a flame retardance and fire resistance mechanism is fixedly installed inside the outer protective sleeve;

fire-retardant fire-resistant mechanism includes first flame retardant coating, second flame retardant coating, heat-resistant layer, water blocking layer, tensile layer and elastic layer, the outside fixed mounting of interior lag has first flame retardant coating, the outside fixed mounting of first flame retardant coating has the second flame retardant coating, the outside fixed mounting of second flame retardant coating has the heat-resistant layer, the outside fixed mounting of heat-resistant layer has the water blocking layer, the outside fixed mounting of water blocking layer has the tensile layer, the outside fixed mounting of tensile layer has the elastic layer.

Further, the inside fixed mounting of first flame retardant coating has fire-resistant glass fiber layer, the inside fixed mounting of second flame retardant coating has low smoke and zero halogen high flame retardant polyolefin layer.

Further, high-temperature resistant kraft paper is fixedly mounted inside the heat-resistant layer, a water-blocking tape is fixedly mounted inside the water-blocking layer, and aramid yarns are fixedly mounted inside the tensile layer.

Further, a ceramic silicon rubber layer is fixedly mounted inside the elastic layer, polyethylene layers are fixedly mounted inside the outer protective sleeve and the inner protective sleeve, and fiber paste is filled inside the pipe loosening sleeve.

Furthermore, the outer portion of the elastic layer is fixedly connected with the inner wall of the outer protecting sleeve, the number of the loose tube sleeves is four, optical fiber bodies are fixedly mounted inside the four loose tube sleeves, and the four loose tube sleeves are distributed on the outer portion of the reinforced core in an equidistant mode.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this novel optical cable with fire-retardant and fire-resistant properties, through setting up outer lag inner lag, optical fiber body and fire-retardant fire-resistant mechanism protect, can protect inside optical fiber body through inner lag, prevent inside optical fiber body rupture, the effect of pine pipe box is to protecting alone each strand of optical fiber body, fire-retardant fire-resistant mechanism's effect is mutually supported through each structure, realize the protection to the optical cable, improve the life of optical cable, through setting up first flame retardant coating and second flame retardant coating, through the inside fire-resistant glass fiber layer of first flame retardant coating and second flame retardant coating and the high fire-retardant polyolefin layer of low smoke and zero halogen improvement to the fire-resistant and flame retardant efficiency of inside optical fiber body, the high temperature resistant kraft paper of heat-resistant coating's inside setting, improve the high temperature resistant degree of inside optical fiber body, prevent optical fiber body spontaneous combustion, the effect of water blocking layer is through installing the water blocking area in inside, prevent water logging from going into optical fiber body, the effect of tensile layer is through setting up the elasticity and the stretching resistance that aramid fiber yarn and pottery silication improve the optical cable in the inside of tensile layer and elastic layer respectively, guarantee shock resistance, thereby the life of optical cable is stronger.

2. This novel optical cable with fire-retardant fire resistance, the optical cable realizes the transmission of signal through inside optic fibre body usually in the use, in order to guarantee that optical cable life is longer, consequently, improve the life of optical cable and inside optic fibre through increasing fire-retardant mechanism, at first carry out preliminary protection at the outside interior lag of optic fibre body through the parcel, then through setting up first flame retardant coating, the second flame retardant coating improves the fire-retardant flame retardant efficiency of optical cable, then further improve the heat-resisting degree of optical cable through the heat-resisting layer, and prevent through the water blocking layer that water from getting into inside the optical cable, improve the elasticity and the stretching resistance of optical cable through tensile layer and elastic layer at last, through mutually supporting of each structure of fire-retardant mechanism, thereby realize extension optical cable life's effect.

Drawings

FIG. 1 is a partial three-dimensional schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic partial cross-sectional view of the present invention;

fig. 4 is a schematic view of the fire-resistant and flame-retardant mechanism of the present invention.

In the figure: the optical fiber protection device comprises an outer protection sleeve 1, an inner protection sleeve 2, an optical fiber body 3, a loose tube sleeve 4, a reinforced core 5, a fire-resistant flame-retardant mechanism 6, a first fire-resistant layer 601, a second fire-resistant layer 602, a heat-resistant layer 603, a water-resistant layer 604, a tensile layer 605 and an elastic layer 606.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a novel optical cable with flame retardant and fire resistance includes an outer protective sleeve 1, an inner protective sleeve 2 is fixedly installed inside the outer protective sleeve 1, an optical fiber body 3 is fixedly installed inside the inner protective sleeve 2, a loose tube sleeve 4 is fixedly installed outside the optical fiber body 3, a reinforced core 5 is fixedly installed inside the inner protective sleeve 2, and a flame retardant and fire resistant mechanism 6 is fixedly installed inside the outer protective sleeve 1.

In fig. 1 and 2, the optical cable is main to realize the transmission of signal through inside fiber body 3, and the stranded fiber cable body 3 that forms through the transposition can realize that fiber body 3 signal transmission is more stable, sets up loose tube cover 4 in fiber body 3's outside and protects each strand of fiber body 3 alone to through at fiber body 3 inside packing fibre cream, prevent the moisture invasion, keep fiber body 3 dry.

In fig. 1 and fig. 2, through setting up respectively in the outside at optic fibre body 3 lag 2 and outer lag 1, interior lag 2 all sets up the polyethylene layer with the inside of outer lag 1, through the polyethylene layer, prevents the erosion of foreign matter to inside optic fibre body 3, prolongs optic fibre body 3's life, sets up fire-resistant fire-retardant mechanism 6 simultaneously between outer lag 1 and interior lag 2, through optic fibre body 3's fire-resistant flame retardant effect.

In fig. 2 and 3, the flame-retardant and fire-resistant mechanism 6 includes a first flame-retardant layer 601, a second flame-retardant layer 602, a heat-resistant layer 603, a water-resistant layer 604, a tensile layer 605 and an elastic layer 606, the first flame-retardant layer 601 is fixedly mounted on the outside of the inner protective sheath 2, the second flame-retardant layer 602 is fixedly mounted on the outside of the first flame-retardant layer 601, the heat-resistant layer 603 is fixedly mounted on the outside of the second flame-retardant layer 602, the water-resistant layer 604 is fixedly mounted on the outside of the heat-resistant layer 603, the tensile layer 605 is fixedly mounted on the outside of the water-resistant layer 604, and the elastic layer 606 is fixedly mounted on the outside of the tensile layer 605.

In fig. 2 and 3, a fire-resistant glass fiber layer is fixedly mounted inside a first fire-resistant layer 601, and a low-smoke halogen-free high-fire-resistant polyolefin layer is fixedly mounted inside a second fire-resistant layer 602.

In fig. 2 and 3, high-temperature resistant kraft paper is fixedly mounted inside the heat-resistant layer 603, a water blocking tape is fixedly mounted inside the water blocking layer 604, and aramid yarn is fixedly mounted inside the tensile layer 605.

In fig. 2 and 3, the outside of elastic layer 606 and the inner wall fixed connection of outer lag 1, the quantity of pine pipe box 4 is four, and the equal fixed mounting in the inside of four pine pipe boxes 4 has optic fibre body 3, and four pine pipe boxes 4 are the equidistance and distribute in the outside of strengthening core 5.

When in implementation, the method comprises the following steps:

1) In the using process of the optical cable, the signal transmission is usually realized through the internal optical fiber body 3, and in order to ensure that the service life of the optical cable is longer, the service lives of the optical cable and the internal optical fiber are prolonged by adding the fire-resistant flame-retardant mechanism 6;

2) Firstly, the optical fiber body 3 is primarily protected by the inner protection sleeve 2 wrapped outside the optical fiber body 3;

3) Then, the fire-resistant and flame-retardant effects of the optical cable are improved by arranging a first fire-resistant layer 601 and a second fire-resistant layer 602, the heat-resistant degree of the optical cable is further improved by a heat-resistant layer 603, and water is prevented from entering the optical cable through a water-resistant layer 604;

4) Finally, the elasticity and the tensile resistance of the optical cable are improved through the tensile layer 605 and the elastic layer 606, and the effect of prolonging the service life of the optical cable is achieved through the mutual matching of the structures of the fireproof flame-retardant mechanism 6.

To sum up, this novel optical cable with fire-retardant fire resistance, through setting up outer lag 1 inner lag 2, optical fiber body 3 and fire-retardant fire-resistant mechanism 6 protect, can protect inside optical fiber body 3 through inner lag 2, prevent inside optical fiber body 3 rupture, the effect of pine tube cover 4 is to protecting alone each strand of optical fiber body 3, fire-retardant fire-resistant mechanism 6's effect is mutually supported through each structure, the realization is to the protection of optical cable, improve the life of optical cable, through setting up first flame retardant coating 601 and second flame retardant coating 602, improve fire-resistant and fire-retardant effect to inside optical fiber body 3 through the inside fire-resistant glass fiber layer of first flame retardant coating 601 and second water logging flame retardant coating 602 and the high fire-retardant polyolefin layer of low smoke and zero halogen, the high temperature resistant kraft paper of the inside setting of heat-resistant layer 603, improve the high temperature resistance degree of inside optical fiber body 3, prevent optical fiber body 3 from spontaneous combustion, the effect of water-resistant layer 604 is through the high temperature resistant water installation water-resistant tape, prevent to soak optical fiber body 3, the effect of optical cable 605 and the effect of water-resistant layer 606 are through the inside tensile layer 605 and the tensile ceramic yarn layer 606 that sets up at tensile layer, thereby the tensile strength of optical cable is improved, thereby the service life of the optical cable is improved.

Moreover, the optical cable usually realizes the transmission of signals through the internal optical fiber body 3 in the using process, in order to ensure that the service life of the optical cable is longer, therefore, the service lives of the optical cable and the internal optical fiber are prolonged by adding the fire-resistant flame-retardant mechanism 6, firstly, the optical fiber body 3 is primarily protected through the inner protective sleeve 2 wrapped outside the optical fiber body 3, then, the fire-resistant flame-retardant effect of the optical cable is improved through arranging the first flame-retardant layer 601 and the second flame-retardant layer 602, then, the heat-resistant degree of the optical cable is further improved through the heat-resistant layer 603, water is prevented from entering the optical cable through the water-resistant layer 604, finally, the elasticity and the tensile resistance of the optical cable are improved through the tensile layer 605 and the elastic layer 606, and the effect of prolonging the service life of the optical cable is realized through the mutual matching of the structures of the fire-resistant flame-retardant mechanism 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a novel have fire-retardant fire resistance optical cable, includes outer lag (1), its characterized in that: an inner protective sleeve (2) is fixedly arranged inside the outer protective sleeve (1), an optical fiber body (3) is fixedly arranged inside the inner protective sleeve (2), a loose tube sleeve (4) is fixedly arranged outside the optical fiber body (3), a reinforcing core (5) is fixedly arranged inside the inner protective sleeve (2), and a flame-retardant fire-resistant mechanism (6) is fixedly arranged inside the outer protective sleeve (1);

flame-retardant fireproof mechanism (6) includes first flame retardant coating (601), the outside fixed mounting of interior lag (2) has first flame retardant coating (601), the outside fixed mounting of first flame retardant coating (601) has second flame retardant coating (602), the outside fixed mounting of second flame retardant coating (602) has heat-resistant layer (603), the outside fixed mounting of heat-resistant layer (603) has water blocking layer (604), the outside fixed mounting of water blocking layer (604) has tensile layer (605), the outside fixed mounting of tensile layer (605) has elastic layer (606).

2. A novel optical cable with flame and fire resistance as claimed in claim 1, wherein: the inside fixed mounting of first flame retardant coating (601) has fire-resistant glass fiber layer, the inside fixed mounting of second flame retardant coating (602) has low smoke and zero halogen high flame retardant polyolefin layer.

3. The novel optical cable with flame and fire resistance as claimed in claim 1, wherein: high-temperature resistant kraft paper is fixedly mounted inside the heat-resistant layer (603), a water-blocking tape is fixedly mounted inside the water-blocking layer (604), and aramid yarns are fixedly mounted inside the tensile layer (605).

4. The novel optical cable with flame and fire resistance as claimed in claim 1, wherein: the elastic hose is characterized in that a ceramic silicon rubber layer is fixedly arranged inside the elastic layer (606), polyethylene layers are fixedly arranged inside the outer protective sleeve (1) and the inner protective sleeve (2), and a fiber paste is filled inside the hose loosening sleeve (4).

5. A novel optical cable with flame and fire resistance as claimed in claim 1, wherein: the optical fiber protection sleeve is characterized in that the outer portion of the elastic layer (606) is fixedly connected with the inner wall of the outer protection sleeve (1), the number of the loose tube sleeves (4) is four, optical fiber bodies (3) are fixedly mounted inside the four loose tube sleeves (4), and the four loose tube sleeves (4) are equidistantly distributed outside the reinforced core (5).

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