CN208335843U - A kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel - Google Patents
A kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel Download PDFInfo
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- CN208335843U CN208335843U CN201820993922.0U CN201820993922U CN208335843U CN 208335843 U CN208335843 U CN 208335843U CN 201820993922 U CN201820993922 U CN 201820993922U CN 208335843 U CN208335843 U CN 208335843U
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- power cable
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Abstract
The utility model discloses a kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel, including the cable core group set gradually from inside to outside, belting layer, copper strip shielding layer, woven shield and restrictive coating, the cable core group includes three main lines, three zero curves and more are filled in the main line, the resilient flexible rubber hatching solid rope in gap between the zero curve and the belting layer inner wall, the main line includes the first conductor and the first insulating layer for being coated on first conductor surface layer, the zero curve includes the second conductor and the second insulating layer for being coated on second conductor surface layer, first conductor and second conductor are twisted by more soft singles, the more singles are disposed with multilayer from inside to outside, and the more single direction of lays of adjacent layer are opposite；The utility model is readily bent, strong antijamming capability, convenient for detection.
Description
Technical field
The utility model relates to power cable field more particularly to a kind of anti-interference symmetric form soft frequency conversion electric power electricity peculiar to vessel
Cable.
Background technique
Ship power cable be electric system peculiar to vessel master in route to transmit and distribute the electricity of high-power power
Cable product often works in the underwater environments such as rivers,lakes and seas and dry cabin.
In order to find the potential faults of power cable in time, guarantees ship power cable safe and reliable operation, need to electricity
The shelf depreciation of cable carries out on-line checking.But conventional power cable bend difficulty and cable local discharge weak output signal, wave
Shape is complicated and changeable, is easily flooded by ambient noise and outside electromagnetic interference noise.
Utility model content
The utility model is to solve existing technological deficiency, provides a kind of anti-interference symmetric form soft frequency conversion electric power peculiar to vessel
Cable is readily bent, strong antijamming capability, convenient for detection.Its specific technical solution is as follows:
The utility model discloses a kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel, including successively sets from inside to outside
Cable core group, belting layer, copper strip shielding layer, woven shield and the restrictive coating set, the cable core group include three main lines, three pieces zero
Line and more are filled in the resilient flexible rubber hatching solid in gap between the main line, the zero curve and the belting layer inner wall
Rope, the main line include the first conductor and the first insulating layer for being coated on first conductor surface layer, and the zero curve includes second
Conductor and the second insulating layer for being coated on second conductor surface layer, first conductor and second conductor are soft by more
Soft single is twisted, and the more singles are disposed with multilayer from inside to outside and the more singles of adjacent layer twist
It closes contrary.
Further, the cross-sectional area of second conductor is greater than the 1/2 of the cross-sectional area of first conductor.
Further, the axis of three main lines is arranged at positive triangle and the center of equilateral triangle is located at the band
On the axis of layer, three zero curve distributions are located at the gap on the outside of the two neighboring main line between the belting layer inner wall
In.
Further, the resilient flexible rubber hatching solid rope is equipped with 7, is located between three main lines including 1
Resilient flexible rubber hatching solid rope and 6 are located at the adjacent main line, on the outside of the zero curve and in the belting layer
Resilient flexible rubber hatching solid rope between wall in gap.
Further, the first insulating layer, second insulating layer are made of crosslinked polyethylene.
The utility model has the beneficial effects that 3+3E structure effectively inhibits the odd harmonic in higher hamonic wave, electricity is played
Cable interference free performance meets electromagnetic compatibility in equipment group operational process；It uses in gap between main line, zero curve and belting layer inner wall
Resilient flexible rubber hatching solid rope is filled and the first conductor and the second conductor are twisted by more soft singles, electricity
Cable more it is soft it is easy laying and resilient flexible rubber hatching solid rope it is non-aging, increase the service life of cable, first leads
Reverse stranding technique is used between body and the second conductor adjacent layer, keeps conductor structure more stable.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the main line of the utility model embodiment.
It is marked in figure: cable core group 100, main line 110, the first conductor 111, the first insulating layer 112, zero curve 120, the second conductor
121, second insulating layer 122, resilient flexible rubber hatching solid rope 130, single 140, belting layer 200, copper strip shielding layer 300,
Woven shield 400, restrictive coating 500.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The utility model is described in further detail below by specific embodiment combination attached drawing.Please refer to attached drawing.
The utility model discloses a kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel, including successively sets from inside to outside
Cable core group 100, belting layer 200, copper strip shielding layer 300, woven shield 400 and the restrictive coating 500 set, wherein the copper strips
Shielded layer 300 is coated on 200 outer layer of belting layer using the wrapped form of copper strips, and the woven shield 400 uses copper wire
Close weave reticulates structure and is coated on 300 outer layer of copper strip shielding layer, the copper strip shielding layer 300 and the braid shielded
The combination of layer 400 ensure that the good electromagnetic shielding performance of cable, reduce the electromagnetic interference of outer bound pair cable, while also weakening
Interference of the cable to external device and system, the restrictive coating 500 are made of low smoke and zero halogen softness flame retardant polyolefine material,
For oxygen index (OI) up to 33%, light transmittance is nonflammable up to 80%, reduces the probability that accident occurs；The main line 110 includes the first conductor
111 and it is coated on first insulating layer 112 on 111 surface layer of the first conductor, the zero curve 120 includes the second conductor 121 and packet
It is overlying on the second insulating layer 122 on 121 surface layer of the second conductor, first conductor 111 and second conductor 121 are by more
The single 140 of root softness is twisted, and the more singles 140 are disposed with more of multilayer and adjacent layer from inside to outside
140 direction of lay of single is on the contrary, keep conductor structure more stable.
In the utility model, 3+3E structure effectively inhibits the odd harmonic in higher hamonic wave, and it is anti-interference to play cable
Performance meets electromagnetic compatibility in equipment group operational process；Gap between 200 inner wall of main line 110, zero curve 120 and belting layer
With the filling of resilient flexible rubber hatching solid rope 130 and the first conductor 111 and the second conductor 121 are all made of the 5th soft class
Conductor, makes the more soft easy laying of cable and resilient flexible rubber hatching solid rope 130 is non-aging, increases making for cable
With the service life, reverse stranding technique is used between 121 adjacent layer of the first conductor 111 and the second conductor, keeps conductor structure more stable.
Further, the cross-sectional area of second conductor 121 is greater than the 1/2 of the cross-sectional area of first conductor 111；
It can effectively reduce the influence of higher hamonic wave, weaken variable-frequency motor noise, guarantee equipment stable operation, extend service life of equipment,
Energy conservation is realized to a greater extent, is improved efficiency.
Further, the axis of three main lines 110 is arranged at positive triangle and the center of equilateral triangle is located at the packet
On the axis of belt 200, three distributions of zero curve 120 are located at two neighboring 110 outside of the main line and the belting layer 200
In gap between inner wall；It is not easily shifted under stress, it is damaged, increases so that the smaller zero curve 120 is more difficult
The service life of cable.
Further, the resilient flexible rubber hatching solid rope 130 is equipped with 7, including 1 is located at three main lines 110
Between resilient flexible rubber hatching solid rope 130 and 6 be located at the adjacent main line 110, the outside of the zero curve 120
Resilient flexible rubber hatching solid rope 130 between 200 inner wall of belting layer in gap；The anti-extrusion of cable can be improved
Performance.
Further, the first insulating layer 112, second insulating layer 122 are made of crosslinked polyethylene；Crosslinked polyethylene has
Heat resistance, the rated temperature of conductor is up to 90 DEG C when cable can be made to work normally, and keeps the current-carrying capacity of the cable in same section bigger.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.
Claims (5)
1. a kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel, which is characterized in that including what is set gradually from inside to outside
Cable core group (100), belting layer (200), copper strip shielding layer (300), woven shield (400) and restrictive coating (500), the cable core
Group (100) is filled in the main line (110), the zero curve (120) including three main lines (110), three zero curves (120) and more
The resilient flexible rubber hatching solid rope (130) in gap between the belting layer (200) inner wall, the main line (110) include
First conductor (111) and the first insulating layer (112) for being coated on the first conductor (111) surface layer, the zero curve (120) include
Second conductor (121) and the second insulating layer (122) for being coated on the second conductor (121) surface layer, first conductor (111)
And second conductor (121) is twisted by more soft singles (140), the more singles (140) are from inside to outside
More single (140) direction of lays for being disposed with multilayer and adjacent layer are opposite.
2. a kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel as described in claim 1, which is characterized in that described the
The cross-sectional area of two conductors (121) is greater than the 1/2 of the cross-sectional area of first conductor (111).
3. a kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel as described in claim 1, which is characterized in that three institutes
The axis for stating main line (110) is located on the axis of the belting layer (200) at the center of positive triangle arrangement and equilateral triangle, and three
Zero curve described in root (120) distribution is located at the sky on the outside of the two neighboring main line (110) between the belting layer (200) inner wall
In gap.
4. a kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel as described in claim 1, which is characterized in that described soft
Soft elastic rubber hatching solid rope (130) is equipped with 7, and the resilient flexible rubber being located between three main lines (110) including 1 is real
Heart gasket for packing (130) and 6 be located at the adjacent main line (110), on the outside of the zero curve (120) with the belting layer
(200) the resilient flexible rubber hatching solid rope (130) between inner wall in gap.
5. a kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel as described in claim 1, which is characterized in that first absolutely
Edge layer (112), second insulating layer (122) are made of crosslinked polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820993922.0U CN208335843U (en) | 2018-06-26 | 2018-06-26 | A kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820993922.0U CN208335843U (en) | 2018-06-26 | 2018-06-26 | A kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208335843U true CN208335843U (en) | 2019-01-04 |
Family
ID=64785028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820993922.0U Expired - Fee Related CN208335843U (en) | 2018-06-26 | 2018-06-26 | A kind of anti-interference symmetric form soft frequency-conversion power cable peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208335843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678176A (en) * | 2022-04-06 | 2022-06-28 | 浙江世昆线缆有限公司 | Preparation method of cable with antimagnetic and anti-interference functions |
-
2018
- 2018-06-26 CN CN201820993922.0U patent/CN208335843U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678176A (en) * | 2022-04-06 | 2022-06-28 | 浙江世昆线缆有限公司 | Preparation method of cable with antimagnetic and anti-interference functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 |