CN209729599U - A kind of photoelectric composite low-pressure power cable - Google Patents
A kind of photoelectric composite low-pressure power cable Download PDFInfo
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- CN209729599U CN209729599U CN201920824822.XU CN201920824822U CN209729599U CN 209729599 U CN209729599 U CN 209729599U CN 201920824822 U CN201920824822 U CN 201920824822U CN 209729599 U CN209729599 U CN 209729599U
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Abstract
The utility model belongs to field of cables, especially a kind of photoelectric composite low-pressure power cable, it is not easy to for existing photoelectric composite low-pressure power cable to blocking water, and stress is easily bent the bad problem of resilience, now propose following scheme, it includes multiple cables core, the outer sheath of the cable core is equipped with the first protective layer, optical fiber is equipped between multiple cables core, the outer sheath of multiple cables core is equipped with the same insulating layer, greasy for preventing water is filled between first protective layer and insulating layer, buffer layer is connected on the insulating layer, waterproof layer is connected on the buffer layer, oversheath is connected on the waterproof layer, symmetrically arranged elastic layer there are two being opened up on the buffer layer, a first chamber is formed between two elastic layers.The utility model is designed reasonably is increased the block-water performance of cable by greasy for preventing water and waterproof layer, increases the resilience performance of cable by buffer layer, and stress is not easy bending deformation.
Description
Technical field
The utility model relates to field of cable technology more particularly to a kind of photoelectric composite low-pressure power cables.
Background technique
Cable is usually the cable of similar rope as several or made of several groups of wire strandings, between every group of conducting wire mutually absolutely
Edge, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation.Multi rack is located at aerial or is mounted in ground
Under, it is water-bed, telecommunication or power Transmission are used for, when the material structure of use environment difference, cable is different.
A kind of current photoelectric composite low-pressure power cable, the region needs that a part of photoelectric composite low-pressure power cable uses
Waterproof is carried out, there is being not easy to blocking water, and stress is easily bent the bad problem of resilience, therefore we have proposed
A kind of photoelectric composite low-pressure power cable is for solving the above problems.
Utility model content
Purpose of the utility model is to solve existing in the prior art to be not easy to blocking water, and stress be easy it is curved
The bad disadvantage of bent resilience, and a kind of photoelectric composite low-pressure power cable proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of photoelectric composite low-pressure power cable, including multiple cables core, the outer sheath of the cable core are equipped with first and protect
Sheath, is equipped with optical fiber between multiple cables core, and the outer sheath of multiple cables core is equipped with the same insulating layer, the first protective layer and absolutely
It is filled with greasy for preventing water between edge layer, is connected with buffer layer on the insulating layer, waterproof layer is connected on the buffer layer, it is described
Oversheath is connected on waterproof layer；
It is opened up on the buffer layer there are two symmetrically arranged elastic layer, forms first chamber between two elastic layers
Room is fixedly installed with multiple struts in the top inner wall of first chamber and in bottom interior wall, there is spring, bullet on strut on sliding sleeve
One end of spring is fixedly mounted in the top inner wall of first chamber, and the other end of spring is fixedly mounted in the bottom of first chamber
On wall, second chamber is offered on the oversheath, reinforcement silk screen is fixedly installed in second chamber.
Preferably, it is filled with plastic cement glue in the second chamber, reinforcement silk screen is fixed on by plastic cement glue by outer shield
It puts on.
Preferably, the outer fiber has put on the second protective layer, and the outside of the second protective layer is equipped with water blocking yarn, by the
Two protective layers protect optical fiber.
Preferably, the greasy for preventing water is made of basic ointment, expanding material and additive, increases electricity by greasy for preventing water
The block-water performance of cable.
Preferably, the strut is made of rubber, and multiple struts are set in qually spaced in first chamber, passes through rubber branch
Frame increases the resilience of cable.
Preferably, the material of the oversheath is set as aluminium oxide ceramics, the insulating properties of aluminium oxide ceramics, corrosion resistance and
Hardness performance is stronger.
Preferably, the material for reinforcing silk screen is set as carbon fiber wire, and carbon fiber wire structural strength is good.
In the utility model, a kind of photoelectric composite low-pressure power cable is equipped with the first protective layer on cable core, leads to
It crosses the first protective layer to protect cable core, optical fiber is protected by the second protective layer, the first protective layer and insulating layer
Between be equipped with greasy for preventing water, realize the purpose to block water, by insulating layer ensure transmit electric current or signal only along conducting wire advance
Without flowing to outside, by buffer layer, elastic layer, strut and spring on buffer layer, strut are set as rubber material, work as cable
When by external force, so that cable has good resilience, it can be bent and be unlikely to deform, cable is increased by waterproof layer
Block-water performance protects cable by oversheath, and oversheath is provided with reinforcement silk screen, and reinforces silk screen and be set as carbon fiber
Silk, carbon fiber wire structural strength is good, so that cable has high intensity and tear resistance.
The utility model is designed reasonably is increased the block-water performance of cable by greasy for preventing water and waterproof layer, passes through buffer layer
Increase the resilience performance of cable, and stress is not easy bending deformation.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of photoelectric composite low-pressure power cable structural schematic diagram；
Fig. 2 be the utility model proposes a kind of photoelectric composite low-pressure power cable buffer layer structure schematic diagram；
Fig. 3 be the utility model proposes a kind of photoelectric composite low-pressure power cable oversheath structure schematic diagram.
In figure: 1 cable core, 2 first protective layers, 3 insulating layers, 4 greasy for preventing water, 5 buffer layers, 6 waterproof layers, 7 oversheaths, 8
Silk screen, 13 plastic cement glue, 14 optical fiber, 15 elastic layers are reinforced in first chamber, 9 struts, 10 springs, 11 second chambers, 12.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of photoelectric composite low-pressure power cable, including multiple cables core 1, the outside of cable core 1 are arranged
There is the first protective layer 2, optical fiber 14 is equipped between multiple cables core 1, the outer sheath of multiple cables core 1 is equipped with the same insulating layer 3,
It is filled with greasy for preventing water 4 between first protective layer 2 and insulating layer 3, is connected with buffer layer 5 on insulating layer 3, is connected on buffer layer 5
There is waterproof layer 6, oversheath 7 is connected on waterproof layer 6, is opened up on buffer layer 5 there are two symmetrically arranged elastic layer 15, two bullets
Property layer 15 between form a first chamber 8, be fixedly installed with multiple in the top inner wall of first chamber 8 and in bottom interior wall
Bar 9 has spring 10 on sliding sleeve on strut 9, and one end of spring 10 is fixedly mounted in the top inner wall of first chamber 8, spring
10 other end is fixedly mounted in the bottom interior wall of first chamber 8, and second chamber 11, second chamber are offered on oversheath 7
It is fixedly installed in 11 and reinforces silk screen 12.
In the utility model, plastic cement glue 13 is filled in second chamber 11, by plastic cement glue 13 reinforcement silk screen 12
It is fixed on oversheath 7.
In the utility model, there is the second protective layer on 14 outer sheath of optical fiber, the outside of the second protective layer is equipped with water blocking yarn, leads to
The second protective layer is crossed to protect optical fiber 14.
In the utility model, greasy for preventing water 4 is made of basic ointment, expanding material and additive, is increased by greasy for preventing water 4
It is powered on the block-water performance of cable.
In the utility model, strut 9 is made of rubber, and multiple struts 9 are set in qually spaced in first chamber 8, passes through rubber
Glue bracket 9 increases the resilience of cable.
In the utility model, the material of oversheath 7 is set as aluminium oxide ceramics, the insulating properties of aluminium oxide ceramics, corrosion-resistant
Property and hardness performance are stronger.
In the utility model, the material for reinforcing silk screen 12 is set as carbon fiber wire, and carbon fiber wire structural strength is good.
In the utility model, cable core 1 is equipped with the first protective layer 2, is protected by the first protective layer 2 to cable core 1
Shield, protects optical fiber 14 by the second protective layer, and greasy for preventing water 4 is equipped between the first protective layer 2 and insulating layer 3, is blocked water
The oil separation of ointment 4 is small, high temperature performance is good, and ointment does not crack, and cone penetration is big and absorption speed is fast, realizes the purpose to block water,
The electric current or signal for ensuring to transmit by insulating layer 3 are advanced only along conducting wire without flowing to outside, i.e., should guarantee conducting wire just
Normal transfer function ensures the safety of external object and the person again, the elastic layer 15, strut 9 by buffer layer 5, on buffer layer 5
With spring 10, strut 9 is set as rubber material, when cable is by external force, passes through elastic layer 15, strut 9 and spring 10
Deformation can be bent and be unlikely to deform so that cable has good resilience, increase the water preventing ability of cable by waterproof layer 6
Can, cable is protected by oversheath 7, oversheath 7, which is provided with, reinforces silk screen 12, and reinforces silk screen 12 and be set as carbon fiber
Silk, carbon fiber wire structural strength is good, so that cable has high intensity and tear resistance, can grow using the time.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of photoelectric composite low-pressure power cable, including multiple cables core (1), which is characterized in that outside the cable core (1)
Side is arranged with the first protective layer (2), is equipped with optical fiber (14) between multiple cables core (1), and the outer sheath of multiple cables core (1) is equipped with
The same insulating layer (3) is filled with greasy for preventing water (4) between the first protective layer (2) and insulating layer (3), on the insulating layer (3)
It is connected with buffer layer (5), is connected with waterproof layer (6) on the buffer layer (5), be connected with oversheath on the waterproof layer (6)
(7)；
There are two opening up on the buffer layer (5) symmetrically arranged elastic layer (15), one is formed between two elastic layers (15)
First chamber (8) is fixedly installed with multiple struts (9), strut (9) in the top inner wall of first chamber (8) and in bottom interior wall
Have on upper sliding sleeve spring (10), one end of spring (10) is fixedly mounted in the top inner wall of first chamber (8), spring (10)
The other end be fixedly mounted in the bottom interior wall of first chamber (8), offer second chamber (11) on the oversheath (7),
It is fixedly installed in second chamber (11) and reinforces silk screen (12), be filled with plastic cement glue (13) in the second chamber (11), institute
Stating has the second protective layer on optical fiber (14) outer sheath, the outside of the second protective layer is equipped with water blocking yarn.
2. a kind of photoelectric composite low-pressure power cable according to claim 1, which is characterized in that the strut (9) is by rubber
Glue is made, and multiple struts (9) are set in qually spaced in first chamber (8).
3. a kind of photoelectric composite low-pressure power cable according to claim 1, which is characterized in that the oversheath (7)
Material is set as aluminium oxide ceramics.
4. a kind of photoelectric composite low-pressure power cable according to claim 1, which is characterized in that the reinforcement silk screen (12)
Material be set as carbon fiber wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920824822.XU CN209729599U (en) | 2019-06-03 | 2019-06-03 | A kind of photoelectric composite low-pressure power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920824822.XU CN209729599U (en) | 2019-06-03 | 2019-06-03 | A kind of photoelectric composite low-pressure power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209729599U true CN209729599U (en) | 2019-12-03 |
Family
ID=68674968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920824822.XU Active CN209729599U (en) | 2019-06-03 | 2019-06-03 | A kind of photoelectric composite low-pressure power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209729599U (en) |
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2019
- 2019-06-03 CN CN201920824822.XU patent/CN209729599U/en active Active
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