CN216118141U

CN216118141U - High-temperature-resistant communication optical cable

Info

Publication number: CN216118141U
Application number: CN202123025923.7U
Authority: CN
Inventors: 陈琦; 王东
Original assignee: Hangzhou Yaoxin Technology Co ltd
Current assignee: Hangzhou Yaoxin Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-03-22
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a high-temperature-resistant communication optical cable which comprises an outer sheath, a silk screen reinforcing layer, a first high-temperature-resistant layer, a flame-retardant liquid filling layer, a second high-temperature-resistant layer, an inner insulating layer and a wire core, wherein the inner insulating layer is coated on the outer side of the wire core, the second high-temperature-resistant layer is coated on the outer side of the inner insulating layer, the first high-temperature-resistant layer and the flame-retardant liquid filling layer are arranged outside the second high-temperature-resistant layer, the flame-retardant liquid filling layer is formed by surrounding the first high-temperature-resistant layer and the second high-temperature-resistant layer, the silk screen reinforcing layer is coated outside the first high-temperature-resistant layer, the outer sheath comprises a protective sleeve, a water-retardant layer and a wear-resistant layer, the outer sheath is coated outside the silk screen reinforcing layer, the protective sleeve and the water-retardant layer are coated from inside to outside, the wear-resistant layer is spirally wound outside the water-retardant layer, and the protective sleeve is a polyethylene protective sleeve. The utility model not only increases the strength of the optical cable, but also reliably increases the high temperature resistance and the fire resistance of the optical cable, and improves the service life of the optical cable.

Description

High-temperature-resistant communication optical cable

Technical Field

The utility model relates to the technical field of optical fibers, in particular to a high-temperature-resistant communication optical cable.

Background

Most of the existing optical cables are composed of optical fibers, a core tube, reinforcing units and a sheath, wherein the optical fibers are arranged in the core tube, the steel reinforcing units are symmetrically arranged on two sides of an outer skin of the core tube, the sheath is a cable skin wrapped outside the core tube, and common cable skins are made of organic materials. Besides the fire-proof and flame-retardant properties of the optical cable being related to the materials used, the structure of the existing optical cable is also a key factor for the poor fire-proof and flame-retardant properties.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high temperature resistant optical communication cable, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high temperature resistant communication optical cable, includes oversheath, silk screen enhancement layer, first high temperature resistant layer, fire-retardant liquid filling layer, second high temperature resistant layer, internal insulation layer and sinle silk, the internal insulation layer cladding is in the outside of sinle silk, the outside of second high temperature resistant layer cladding internal insulation layer, the outside on second high temperature resistant layer is equipped with first high temperature resistant layer and fire-retardant liquid filling layer, fire-retardant liquid filling layer is enclosed by first high temperature resistant layer, second high temperature resistant layer and closes and form, and the outside cladding on first high temperature resistant layer is provided with the silk screen enhancement layer, the oversheath includes protective sheath, water blocking layer and wearing layer, the oversheath cladding is in the outside of silk screen enhancement layer, protective sheath, water blocking layer are by interior to exterior cladding setting, the wearing layer spiral winding is in the outside of water blocking layer, the protective sheath is the polyethylene protective sheath.

Further, the wear-resistant layer is a nylon protective layer.

Furthermore, the first high-temperature-resistant layer and the second high-temperature-resistant layer are made of high-temperature-resistant resin.

Furthermore, the fire retardant liquid filling layer is filled with water-based fire retardant liquid.

Furthermore, the silk screen reinforcing layer is formed by weaving nickel alloy wires.

Furthermore, the wire core consists of a core tube and an optical fiber positioned inside the core tube.

Further, the inner insulating layer is a mica tape.

Compared with the prior art, the utility model has the following beneficial effects: the high-temperature-resistant communication optical cable provided by the utility model not only increases the strength of the optical cable, but also reliably increases the high-temperature resistance and the fire resistance of the optical cable, and prolongs the service life of the optical cable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a partial sectional structural view of a high temperature resistant optical communication cable according to an embodiment of the present invention.

Fig. 2 is a schematic view of a full-section structure of a high-temperature resistant optical communication cable according to an embodiment of the present invention.

Reference numerals:

1. an outer sheath; 2. a wire mesh reinforcement layer; 3. a first high temperature resistant layer; 4. a flame retardant liquid filling layer; 5. a second high temperature resistant layer; 6. an inner insulating layer; 7. a wire core; 8. a protective sleeve; 9. a water resistant layer; 10. and a wear-resistant layer.

Detailed Description

The utility model is further described with reference to the following drawings and detailed description:

in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, a high temperature resistant communication optical cable according to an embodiment of the present invention includes an outer sheath 1, a wire mesh reinforcement layer 2, a first high temperature resistant layer 3, a flame retardant liquid filling layer 4, a second high temperature resistant layer 5, an inner insulation layer 6 and a wire core 7, the inner insulation layer 6 covers the outer side of the wire core 7, the second high temperature resistant layer 5 covers the outer side of the inner insulation layer 6, the first high temperature resistant layer 3 and the flame retardant liquid filling layer 4 are disposed outside the second high temperature resistant layer 5, the flame retardant liquid filling layer 4 is formed by surrounding the first high temperature resistant layer 3 and the second high temperature resistant layer 5, the wire mesh reinforcement layer 2 is covered outside the first high temperature resistant layer 3, the outer sheath 1 includes a protective sheath 8, a water blocking layer 9 and a wear resistant layer 10, the outer sheath 1 covers the wire mesh reinforcement layer 2, the protective sheath 8 and the water blocking layer 9 are disposed from inside to outside, the wear-resistant layer 10 is spirally wound outside the waterproof layer 9, and the protective sleeve 8 is a polyethylene protective sleeve.

Through the scheme of the utility model, the wear-resistant layer 10 is a nylon protective layer.

Through the scheme of the utility model, the first high-temperature-resistant layer 3 and the second high-temperature-resistant layer 5 are both made of high-temperature-resistant resin.

According to the scheme of the utility model, the water-based flame retardant liquid is filled in the flame retardant liquid filling layer 4.

According to the scheme of the utility model, the wire mesh reinforcement layer 2 is formed by weaving nickel alloy wires.

Through the scheme of the utility model, the wire core 7 consists of the core tube and the optical fiber positioned in the core tube.

According to the scheme of the utility model, the inner insulating layer 6 is a mica tape.

According to the utility model, the wear-resistant layer 10, the water-resistant layer 9, the protective sleeve 8, the screen reinforcing layer 2, the first high-temperature-resistant layer 3, the flame-retardant liquid filling layer 4, the second high-temperature-resistant layer 5, the inner insulating layer 6 and the wire core 7 are sequentially arranged from inside to outside, the external wear resistance is increased through the wear-resistant layer 10, the water-resistant layer 9 blocks the external water from entering, the protective sleeve 8 carries out external protection, the screen reinforcing layer 2 reinforces the whole structure, the first high-temperature-resistant layer 3 and the second high-temperature-resistant layer 5 form double high-temperature-resistant protection, the internal flame-retardant liquid filling layer 4 effectively carries out fire prevention and flame retardation, and the inner insulating layer 6 carries out insulation protection on the internal wire core 7.

The high-temperature-resistant communication optical cable provided by the utility model not only increases the strength of the optical cable, but also reliably increases the high-temperature resistance and the fire resistance of the optical cable, and prolongs the service life of the optical cable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-temperature-resistant communication optical cable is characterized by comprising an outer sheath (1), a silk screen reinforcing layer (2), a first high-temperature-resistant layer (3), a flame retardant liquid filling layer (4), a second high-temperature-resistant layer (5), an inner insulating layer (6) and a wire core (7), wherein the inner insulating layer (6) covers the outer side of the wire core (7), the second high-temperature-resistant layer (5) covers the outer side of the inner insulating layer (6), the first high-temperature-resistant layer (3) and the flame retardant liquid filling layer (4) are arranged outside the second high-temperature-resistant layer (5), the flame retardant liquid filling layer (4) is formed by enclosing the first high-temperature-resistant layer (3) and the second high-temperature-resistant layer (5), the silk screen reinforcing layer (2) is arranged outside the first high-temperature-resistant layer (3), the outer sheath (1) comprises a protective sleeve (8), a water-resistant layer (9) and a wear-resistant layer (10), and the outer sheath (1) covers the silk screen reinforcing layer (2), protective sheath (8), water blocking layer (9) are by interior to outer cladding setting, wearing layer (10) spiral winding is in the outside of water blocking layer (9), protective sheath (8) are the polyethylene protective sheath.

2. A high temperature resistant optical communication cable according to claim 1, wherein said abrasion resistant layer (10) is a nylon protective layer.

3. A high temperature resistant optical communication cable according to claim 1, wherein the first and second high temperature resistant layers (3, 5) are made of high temperature resistant resin.

4. A high-temperature resistant optical communication cable according to claim 1, wherein the flame retardant liquid filling layer (4) is filled with an aqueous flame retardant liquid.

5. A high temperature resistant optical communication cable according to claim 1, wherein the wire mesh reinforcement layer (2) is woven of nickel alloy wires.

6. A high temperature resistant optical communication cable according to claim 1, wherein the core (7) is composed of a core tube and an optical fiber inside the core tube.

7. A high temperature resistant optical communication cable according to claim 1, wherein the inner insulating layer (6) is a mica tape.