CN217444156U

CN217444156U - Photoelectric composite cable with compression-resistant and waterproof functions

Info

Publication number: CN217444156U
Application number: CN202220643939.XU
Authority: CN
Inventors: 茆成彦; 周寿清; 韦佳; 王维路; 李程; 曹囯良
Original assignee: JIANGSU RUNHUA CABLE SHAREHOLDING CO Ltd
Current assignee: JIANGSU RUNHUA CABLE SHAREHOLDING CO Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-09-16
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a photoelectric composite cable with compression-resistant and waterproof functions, which comprises a cable core, wherein the cable core comprises an optical fiber cable core and more than two cable cores, the cross sections of the optical fiber cable core and the cable cores are ellipses with the same shape and size, a second flame-retardant layer, a first waterproof layer, a second waterproof layer, an armor layer and an outer protective layer are sequentially arranged outside the cable core from inside to outside, and a framework unit is arranged inside the second flame-retardant layer; the utility model discloses have the photoelectricity composite construction, realized the transmission of light signal and signal of telecommunication, set up the support nature and the compressive property that the skeleton unit has strengthened whole composite cable in cable core department, optical fiber cable core and cable core all are the ellipse and have improved composite cable's compressive property, the compressive property that sets up further improvement composite cable of elasticity filling rope, the setting of two-layer waterproof layer has increased the waterproof performance of cable.

Description

Photoelectric composite cable with compression-resistant and waterproof functions

Technical Field

The utility model belongs to the cable field especially relates to a photoelectric composite cable with waterproof function of resistance to compression.

Background

The photoelectric composite cable is a novel cable combining an optical cable and a cable together, integrates an optical fiber and a transmission copper wire into a whole to serve as a transmission line, can solve the problems of broadband access, equipment power consumption, signal transmission and the like, and has the advantages of small outer diameter, light weight, small occupied space and the like.

The existing photoelectric composite cable has low requirements on compression resistance and water resistance, so that when the cable is laid in places needing high compression resistance and high water resistance, the existing photoelectric composite cable cannot meet the installation requirement, the conditions of cable fracture, moisture invasion into the interior of the cable and the like easily occur, the service life of the cable is shortened, and even accidents occur.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model discloses aim at solving the defect among the prior art, provide a photoelectric cables with waterproof function of resistance to compression.

The technical scheme is as follows: a photoelectric composite cable with compression-resistant and waterproof functions comprises a cable core, wherein the cable core comprises an optical fiber cable core and more than two cable cores, the optical fiber cable core comprises a first cable core and a first inner protective layer arranged outside the first cable core, the cable core comprises a second cable core and a second inner protective layer arranged outside the second cable core, the first cable core comprises optical fibers and a stainless steel pipe arranged outside the optical fibers, optical fiber factice is filled between the stainless steel pipe and the optical fibers, the second cable core comprises a conductor, an insulating layer, a shielding layer and a first flame-retardant layer which are sequentially arranged from inside to outside, the cross sections of the optical fiber cable core and the cable core are oval, a second flame-retardant layer, a first waterproof layer, a second waterproof layer, an armor layer and an outer protective layer are sequentially arranged outside the cable core from inside to outside, and a framework unit is arranged on the inner side of the second flame-retardant layer, the skeleton unit outside have with optical fiber cable core assorted first arc recess, the skeleton unit outside have with cable core assorted second arc recess, second arc recess with the quantity of cable core is unanimous and the one-to-one, the optical fiber cable core closely laminates first arc wall, the cable core closely laminates the second arc wall, the fire-retardant layer inboard of second has many elasticity filling rope.

Further, the skeleton unit is of a hollow structure.

Further, the cable core is circumference array distribution, the quantity of cable core is two, the quantity of elasticity packing rope is three, two be provided with a packing rope between the cable core, optical fiber cable core and two a packing rope has respectively between the cable core, and setting up of packing rope has strengthened the utility model discloses a compressive property.

Further, the cross-section of skeleton unit is herringbone structure, first arc recess with the radian size of second arc recess is unanimous, and the setting of skeleton unit has played the supporting role, has also strengthened the utility model discloses a compressive property.

Furthermore, the number of the first wire cores is two, and the number of the second wire cores in each cable core is two.

Furthermore, first waterproof layer adopts the glass fiber yarn that blocks water to indulge the package and forms, increases the utility model discloses a waterproof performance.

Furthermore, the second waterproof layer adopts the polytetrafluoroethylene material, further strengthens the utility model discloses a waterproof performance.

Has the advantages that: the utility model discloses have the photoelectricity composite construction, realized the transmission of light signal and signal of telecommunication, set up the support nature and the compressive property that the skeleton unit has strengthened whole composite cable in cable core department, optical fiber cable core and cable core all are the ellipse and have improved composite cable's compressive property, the compressive property that sets up further improvement composite cable of elasticity filling rope, the setting of two-layer waterproof layer has increased the waterproof performance of cable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1;

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

reference numerals are as follows: 1 cable core, 1.1 optical fiber cable core, 1.1.1 first core, 1.1.1.1 optical fiber, 1.1.1.2 stainless steel pipe, 1.1.1.3 optical fiber ointment, 1.1.2 first inner sheath, 1.2 cable core, 1.2.1 second core, 1.2.1.1 conductor, 1.2.1.2 insulating layer, 1.2.1.3 shielding layer, 1.2.1.4 first flame retardant layer, 1.2.2 second inner sheath, 2 second flame retardant layer, 3 first waterproof layer, 4 second waterproof layer, 5 armor layer, 6 outer sheath, 7 skeleton unit, 7.1 first arc groove, 7.2 second arc groove, 8 elastic filling rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

As shown in fig. 1-3: the utility model provides a photoelectricity composite cable with waterproof function of resistance to compression, includes cable core 1, cable core 1 includes an optical fiber cable core 1.1 and two above cable core 1.2, optical fiber cable core 1.1 includes first core 1.1.1 and sets up the first interior sheath 1.1.2 in the first core 1.1.1 outside, cable core 1.2 includes second core 1.2.1 and sets up in the second interior sheath 1.2.2 in the second core 1.2.1 outside, first core 1.1.1 includes optical fiber 1.1.1 and sets up and is in the stainless steel pipe 1.1.1.1.2 in optical fiber 1.1.1 outside, stainless steel pipe 1.1.1.1.2 with it has optical fiber ointment 1.1.1.1.3 to fill between the optical fiber 1.1.1.1.1.1.1.1.1, second core 1.2.1 includes that conductor 1.2.1.1.1, fire-retardant insulation layer 1.2.1.1.1.1.1.1, fire-retardant shielding layer and the outer cable core 1.2.1.1.1.1.1.1.1.1.1.1.1 the outer cable core is the unanimous by the oval cable core shape of the first cable core 1.2, the cable core is provided with the cable core 1.1.1.1.1.2 outer cable core is the unanimous, the cable core is the size of the cable core is the unanimous, the first cable core is the unanimous, the unanimous cable core 1.1.1.1.1.1.1.1.2.1.1.1.1.1.1.1.1.2 cable core is provided with the cable core, the cable core is the outer cable core is the unanimous, the outer cable core is provided with the unanimous, the cable core is provided with the cable core, the unanimous, the cable core is the outer cable core is the unanimous, the outer cable core is the unanimous, the cable core is the unanimous, the outer cable core is the cable core is provided with the cable core is the unanimous, the outer cable core is provided with the cable core 1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.2.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.2.2.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.2.2.1.1.1.1.1.2.1.1.1.1.1.1.1.1.1.1.1.2.2.2.1.2.1.1.1.1, First waterproof layer 3, second waterproof layer 4, armor 5 and

outer jacket

6, 2 inboards on the fire-retardant layer of second are provided with skeleton unit 7, the skeleton unit 7 outside have with optical cable core 1.1 assorted first arc recess 7.1, the skeleton unit 7 outside have with cable core 1.2 assorted second arc recess 7.2, second arc recess 7.2 with the unanimous and the one-to-one of quantity of cable core 1.2, optical cable core 1.1 closely laminates first arc wall 7.1, cable core 1.2 closely laminates second arc wall 7.2, 2 inboards on the fire-retardant layer of second have many elasticity filling rope 8.

The framework unit 7 is of a hollow structure; the cable cores 1 are distributed in a circumferential array, the number of the cable cores 1.2 is two, the number of the elastic filling ropes 8 is three, one filling rope 8 is arranged between the two cable cores 1.2, and one filling rope 8 is respectively arranged between the optical fiber cable core 1.1 and the two cable cores 1.2; the cross section of the framework unit 7 is of a herringbone structure, and the radian of the first arc-shaped groove 7.1 is consistent with that of the second arc-shaped groove 7.2; the number of the first wire cores 1.1.1 is two, and the number of the second wire cores 1.2.1 in each cable core 1.2 is two; the first waterproof layer 3 is formed by longitudinally wrapping water-blocking glass fiber yarns; the second waterproof layer 4 is made of polytetrafluoroethylene materials.

The utility model discloses have the photoelectricity composite construction, realized the transmission of light signal and signal of telecommunication, set up the support nature and the compressive property that the skeleton unit has strengthened whole composite cable in cable core department, optical fiber cable core and cable core all are the ellipse and have improved composite cable's compressive property, the compressive property that sets up further improvement composite cable of elasticity filling rope, the setting of two-layer waterproof layer has increased the waterproof performance of cable.

It is to be noted that 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 phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.

Claims

1. The utility model provides a photoelectric cables with waterproof function of resistance to compression, includes cable core (1), its characterized in that: the cable core (1) comprises an optical fiber cable core (1.1) and more than two cable cores (1.2), the optical fiber cable core (1.1) comprises a first cable core (1.1.1) and a first inner protective layer (1.1.2) arranged outside the first cable core (1.1.1), the cable core (1.2) comprises a second cable core (1.2.1) and a second inner protective layer (1.2.2) arranged outside the second cable core (1.2.1), the first cable core (1.1.1) comprises an optical fiber (1.1.1.1) and a stainless steel pipe (1.1.1.2) arranged outside the optical fiber (1.1.1.1.1), the stainless steel pipe (1.1.2) and the optical fiber (1.1.1.1.1) are filled with an optical fiber ointment (1.1.1.1.3), the second cable core (1.2.1) comprises a flame-retardant conductor (1.1.1.1.1), a shielding layer (1.2.1.1.1.1.2) and an elliptical cable core (1.2) and a shielding layer (1.2) and an optical fiber ointment (1.1.2) layer, a cable core (1.1.1.1.1.1.1.1.1.1.1.1.3) and an elliptical cable core (4) layer which are arranged outside the cable core, the outer side of the cable core (1) is sequentially provided with a second flame-retardant layer (2), a first waterproof layer (3), a second waterproof layer (4), an armor layer (5) and an outer protective layer (6) from inside to outside, a framework unit (7) is arranged on the inner side of the second flame-retardant layer (2), a first arc-shaped groove (7.1) matched with the optical fiber cable core (1.1) is arranged on the outer side of the framework unit (7), a second arc-shaped groove (7.2) matched with the cable core (1.2) is arranged at the outer side of the framework unit (7), the number of the second arc-shaped grooves (7.2) is consistent with that of the cable cores (1.2) and the second arc-shaped grooves correspond to the cable cores one by one, the optical fiber cable core (1.1) is tightly attached to the first arc-shaped groove (7.1), the cable core (1.2) is tightly attached to the second arc-shaped groove (7.2), the inner side of the second flame-retardant layer (2) is provided with a plurality of elastic filling ropes (8).

2. The photoelectric composite cable with compression-resistant and waterproof functions as claimed in claim 1, wherein: the framework unit (7) is of a hollow structure.

3. The photoelectric composite cable with compression-resistant and waterproof functions as claimed in claim 1, wherein: the cable core (1) is in circumferential array distribution, the number of the cable cores (1.2) is two, the number of the elastic filling ropes (8) is three, two the filling ropes (8) are arranged between the cable cores (1.2), and the filling ropes (8) are respectively arranged between the optical fiber cable cores (1.1) and the two cable cores (1.2).

4. The photoelectric composite cable with compression-resistant and waterproof functions as claimed in claim 3, wherein: the cross section of the framework unit (7) is of a herringbone structure, and the radian sizes of the first arc-shaped groove (7.1) and the second arc-shaped groove (7.2) are consistent.

5. The photoelectric composite cable with compression-resistant and waterproof functions as claimed in claim 1, wherein: the number of the first wire cores (1.1.1) is two, and the number of the second wire cores (1.2.1) in each cable core (1.2) is two.

6. The photoelectric composite cable with compression-resistant and waterproof functions as claimed in claim 1, wherein: the first waterproof layer (3) is formed by longitudinally wrapping water-blocking glass fiber yarns.

7. The photoelectric composite cable with compression-resistant and waterproof functions as claimed in claim 1, wherein: the second waterproof layer (4) is made of polytetrafluoroethylene materials.