CN212808741U

CN212808741U - Lightning protection optical cable with electric conduction function

Info

Publication number: CN212808741U
Application number: CN202022260249.XU
Authority: CN
Inventors: 曾建生
Original assignee: Huizhou Kaishengtong Technology Co ltd
Current assignee: Huizhou Kaishengtong Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-03-26
Anticipated expiration: 2030-10-12

Abstract

A lightning protection optical cable with electrical conduction, comprising: the cable comprises an optical cable body, a conducting wire, a plurality of sheaths and a plurality of conducting rings, wherein the sheaths and the conducting rings are respectively sleeved outside the optical cable body, each sheath is arranged adjacent to and connected with each conducting ring, each conducting ring is arranged between two adjacent sheaths in a rotating mode, each sheath is sequentially provided with a first channel, a second channel and a third channel, the aperture of the first channel and the aperture of the third channel are respectively smaller than that of the second channel, the conducting wire sequentially penetrates through the first channel, the second channel and the third channel, the conducting wire is partially and spirally arranged in the third channel, each conducting ring is provided with a through hole, and the conducting wire penetrates through the through hole. The sheath provides the protection for the optical cable body, and conducting ring and conductor wire make thunder and lightning current be conducted to the conductor wire by the conducting ring and then transmit to the ground bottom, avoid taking place the condition that the optical cable body is burnt or destroyed, adjust the position of conductor wire through rotating the conducting ring to conduct thunder and lightning current better.

Description

Lightning protection optical cable with electric conduction function

Technical Field

The utility model relates to an optical cable technical field especially relates to a lightning protection optical cable with electric conduction function.

Background

Optical fiber is widely used as a medium for transmitting data in an integrated wiring system because of its advantages of high transmission rate, long distance, etc. It is known that optical fiber is non-conductive and can be protected from impact current, optical cable also has good protection performance, metal components in optical cable have high insulation value to ground, and lightning current is not easy to enter optical cable, but because optical cable has reinforced core, especially direct buried optical cable has armor layer, it may happen that optical cable is burnt or damaged when optical cable line is struck by lightning.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a lightning protection optical cable with a conductive function for solving the problem of the independent right.

A lightning protection optical cable with electrical conduction, comprising: the cable comprises an optical cable body, a conducting wire, a plurality of sheaths and a plurality of conducting rings, wherein the sheaths and the conducting rings are respectively sleeved outside the optical cable body, each sheath is arranged adjacent to and connected with each conducting ring, each conducting ring is rotatably arranged between two adjacent sheaths, each sheath is sequentially provided with a first channel, a second channel and a third channel, one end of the second channel is communicated with the first channel, the other end of the second channel is communicated with the third channel, the aperture of the first channel is the same as that of the third channel, the aperture of the first channel and the aperture of the third channel are respectively smaller than that of the second channel, the conducting wire is sequentially arranged in the first channel, the second channel and the third channel in a penetrating manner, and the conducting wire is partially spirally arranged in the third channel, each conducting ring is provided with a through hole, and the conducting wire penetrates through the through holes.

Further, the conductive ring includes a first annular block and a second annular block, the first annular block is sleeved outside the optical cable body, and the second annular block is sleeved outside the first annular block.

Further, the outer surface of the first annular block is provided with saw teeth.

Furthermore, a plurality of grooves are formed in the inner surface of the second annular block.

Further, the number of the grooves is at least 2.

Further, each groove is provided with a barb, and the barbs are connected with the sawteeth.

Further, each of the sheaths is provided with an insulating layer.

Above-mentioned lightning protection optical cable with electrically conductive function, through be provided with a plurality of sheaths outside the optical cable body, certain guard action is provided for the optical cable body, it is provided with a conducting ring to rotate between two adjacent sheaths simultaneously, the cooperation of conducting ring and conductor wire, when making the optical cable body suffer a thunderbolt, lightning current is conducted to the conductor wire in by the conducting ring, and transmit to the ground bottom through the conductor wire, thereby avoid taking place the condition that the optical cable is burnt or destroyed, simultaneously because the complicacy of ground bottom topography, adjust the position of conductor wire through rotating the conducting ring, thereby make the conductor wire conduct lightning current better.

Drawings

The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.

FIG. 1 is a schematic cross-sectional view of an embodiment of a lightning protection optical cable with electrical conductivity;

FIG. 2 is a schematic cross-sectional view of the sheath in one embodiment;

FIG. 3 is a schematic cross-sectional view of a second annular block;

FIG. 4 is an enlarged schematic view of portion A of the embodiment shown in FIG. 3;

FIG. 5 is a cross-sectional structural view of the first annular block.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1 to 5, a lightning protection optical cable with a conductive function includes: the optical cable comprises an optical cable body 100, a conductive wire 200, a plurality of sheaths 300 and a plurality of conductive rings 400, wherein the plurality of sheaths 300 and the plurality of conductive rings 400 are respectively sleeved outside the optical cable body 100, each sheath 300 is adjacent to and connected with each conductive ring 400, each conductive ring 400 is rotatably arranged between two adjacent sheaths 300, that is, two ends of one conductive ring 400 are respectively connected with two sheaths 300, or two ends of one sheath 300 are respectively connected with two conductive rings 400, the distance between every two conductive rings 400 is 15 cm to 40 cm, and one conductive ring 400 rotates relative to the sheath 300. Each sheath 300 is sequentially provided with a first channel 310, a second channel 320 and a third channel 330, one end of the second channel 320 is communicated with the first channel 310, the other end of the second channel is communicated with the third channel 330, the aperture of the first channel 310 is the same as that of the third channel 330, the aperture of the first channel 310 and that of the third channel 330 are respectively smaller than that of the second channel 320, the conductive wire 200 is sequentially arranged in the first channel 310, the second channel 320 and the third channel 330 in a penetrating manner, part of the conductive wire 200 is spirally arranged in the third channel 330, each conductive ring 400 is provided with a through hole 410, and the conductive wire 200 is arranged in the through hole 410 in a penetrating manner. That is, each sheath 300 is shaped like a figure "8", and the first channel 310, the second channel 320 and the third channel 330 are disposed on one side of the sheath 300. The helical conductive wire 200 facilitates storage and subsequent elongation.

Above-mentioned lightning protection optical cable with electrically conductive function, through being provided with a plurality of sheaths 300 outside optical cable body 100, for optical cable body 100 provides certain guard action, it is provided with a conducting ring 400 to rotate between two adjacent sheaths 300 simultaneously, conducting ring 400 and conductor wire 200's cooperation, make optical cable body 100 suffer the thunderbolt, lightning current is conducted in conductor wire 200 by conducting ring 400, and transmit to the ground bottom through conductor wire 200, thereby avoid taking place the condition that the optical cable is burnt or destroyed, simultaneously because the complicacy of ground bottom topography, adjust the position of conductor wire 200 through rotating conducting ring 400, the heliciform conductor wire 200 extends in order to adapt to the rotation of conducting ring 400 after dragging, thereby make the input or the output of conductor wire 200 install in suitable position, in order to conduct lightning current better.

To achieve rotation of the conductive ring 400, as shown in fig. 3 to 5, in one embodiment, the conductive ring 400 includes a first ring block 420 and a second ring block 430, the first ring block 420 is disposed outside the cable body 100, and the second ring block 430 is disposed outside the first ring block 420. The outer surface of the first ring block 420 is provided with serrations 421. The inner surface of the second ring block 430 is formed with a plurality of grooves 431. The number of the grooves 431 is at least 2. Each of the grooves 431 is provided with barbs 432, and the barbs 432 are connected with the saw teeth 421. Specifically, the first annular block 420 is fixedly sleeved outside the cable body 100, the second annular block 430 is connected with the saw teeth 421 by the barbs 432 to realize self movement and fixation, each barb 432 is arranged clockwise or anticlockwise by taking the cable body 100 as a center, the number of the barbs 432 is the same as that of the grooves 431, at least two barbs are arranged, when the number of the barbs 432 is two, the two barbs 432 are oppositely arranged, and when the number of the barbs 432 is more than two, the plurality of barbs 432 are arranged at the same interval. One side of the barb 432 is angled inward to facilitate the barb 432 replacing the attached serration 421. A protrusion 422 is disposed in the engaging member 421, and the protrusion 422 is opposite to and engaged with the barb 432.

To protect the cable body 100, as shown in fig. 2, in one embodiment, each of the sheaths 300 is provided with an insulating layer 340. Insulating layer 340 is disposed on the inner layer of jacket 300, and insulating layer 340 prevents lightning current from directly acting on cable body 100 to the largest extent possible. The insulating layer 340 may be a resin layer, a plastic layer, a PVC layer.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a lightning protection optical cable with electric conduction function which characterized in that includes: the cable comprises an optical cable body, a conducting wire, a plurality of sheaths and a plurality of conducting rings, wherein the sheaths and the conducting rings are respectively sleeved outside the optical cable body, each sheath is arranged adjacent to and connected with each conducting ring, each conducting ring is rotatably arranged between two adjacent sheaths, each sheath is sequentially provided with a first channel, a second channel and a third channel, one end of the second channel is communicated with the first channel, the other end of the second channel is communicated with the third channel, the aperture of the first channel is the same as that of the third channel, the aperture of the first channel and the aperture of the third channel are respectively smaller than that of the second channel, the conducting wire is sequentially arranged in the first channel, the second channel and the third channel in a penetrating manner, and the conducting wire is partially spirally arranged in the third channel, each conducting ring is provided with a through hole, and the conducting wire penetrates through the through holes.

2. The lightning protection cable with conductive function according to claim 1, wherein the conductive ring comprises a first annular block and a second annular block, the first annular block is sleeved outside the cable body, and the second annular block is sleeved outside the first annular block.

3. The lightning protection optical cable with a conductive function according to claim 2, wherein an outer surface of the first annular block is provided with serrations.

4. The lightning protection optical cable with the conductive function as claimed in claim 3, wherein the inner surface of the second annular block is provided with a plurality of grooves.

5. The lightning protection optical cable with conductive function according to claim 4, wherein the number of the grooves is at least 2.

6. The lightning protection optical cable with conductive function according to claim 5, wherein each of the grooves is provided with a barb, and the barbs are connected with the saw teeth.

7. The lightning protection optical cable with conductive function according to claim 1, wherein each of the sheaths is provided with an insulating layer.