CN206293171U - A kind of high voltage direct current cable - Google Patents
A kind of high voltage direct current cable Download PDFInfo
- Publication number
- CN206293171U CN206293171U CN201621451619.5U CN201621451619U CN206293171U CN 206293171 U CN206293171 U CN 206293171U CN 201621451619 U CN201621451619 U CN 201621451619U CN 206293171 U CN206293171 U CN 206293171U
- Authority
- CN
- China
- Prior art keywords
- direct current
- high voltage
- voltage direct
- conductor
- current cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a kind of high voltage direct current cable, and the cable includes successively from inside to outside：Conductor thread core (1), around being wrapped in conductor thread core (1) conductor shield (2) outward, it is coated on conductor shield (2) the elastic body insulated layers of TPV (3) outward, it is coated on the elastic body insulated layers of TPV (3) insulation screens (4) outward, it is coated on the outer shielding layer of copper wires (5) of insulation screen (4) and is coated on shielding layer of copper wires (5) oversheath (6) outward, also there is composite interlayer (21) between conductor shield (2) and the elastic body insulated layers of TPV (3), make the high voltage direct current cable that there is good pliability, resistance to pressure, resistance to bend(ing) and anti-electromagnetic interference capability.
Description
Technical field
The utility model is related to high voltage direct current cable field, more particularly to a kind of jamproof high voltage direct current of double shield
Cable.
Background technology
Direct current cables is had been widely used in flow directing device, but is found in actual use, in high-voltage direct current,
Common direct current cables encounters little produced problem in the case of low-voltage direct, such as：Electric shield effect is poor, electromagnetic interference
Seriously, situations such as easily puncturing, causes direct current cables cisco unity malfunction in high-voltage direct current.Therefore high voltage direct current cable exists
Although the aspects such as electrostatic spraying, electrostatic dressing, electrostatic spinning are used widely, but on the other side in straight-flow system
Power supply service cable is done, is all that, using general high voltage direct current cables, influence is constraining flow directing device system just in actual installation
Often use.
It would therefore be highly desirable to develop it is a kind of do that the electric shield effect that power supply powers is good for straight-flow system, electromagnetic interference is weak, no
Easily puncture high voltage direct current cable.
Utility model content
In order to solve the above problems, present inventor has performed studying with keen determination, as a result find：Squeezed outside conductor shield 2
, also there is composite interlayer 21 between conductor shield 2 and the elastic body insulated layers 3 of TPV in the bag elastic body insulated layers 3 of TPV, and
Coated insulation screen layer 4, shielding layer of copper wires 5 and oversheath successively outside the elastic body insulated layers 3 of TPV, make the high voltage direct current cable
With good pliability, resistance to pressure, resistance to bend(ing) and anti-electromagnetic interference capability, so as to complete the utility model.
The purpose of this utility model is to provide following aspect：
The utility model provides a kind of high voltage direct current cable, it is characterised in that the cable includes successively from inside to outside：Conductor
Core 1, around the conductor shield 2 being wrapped in outside conductor thread core 1, the elastic body insulated layers 3 of TPV being coated on outside conductor shield 2, bag
It is overlying on the insulation screen 4 outside the elastic body insulated layers 3 of TPV, the shielding layer of copper wires 5 being coated on outside insulation screen 4 and is coated on
Oversheath 6 outside shielding layer of copper wires 5.
Brief description of the drawings
Fig. 1 shows the sectional drawing of the high voltage direct current cable that the utility model is provided.
Drawing reference numeral explanation：
1- conductor thread cores
2- conductor shields
21- composite interlayers
The elastic body insulated layers of 3-TPV
4- insulation screens
5- shielding layer of copper wires
6- oversheaths
Specific embodiment
It is described in detail below by the utility model, the characteristics of the utility model and advantage will be with these explanations
And become more apparent from, clearly.
Special word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
In description of the present utility model, it is necessary to explanation, term " on ", D score, " interior ", " outward ", "front", "rear",
The orientation or position relationship of the instruction such as " left side " and " right side " are based on the orientation or position relationship under utility model works state, only
It is to be described with simplified for the ease of description the utility model, must be with spy rather than the device or element for indicating or imply meaning
Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " and " the 4th " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
The utility model described below.
According to the utility model, there is provided a kind of high voltage direct current cable, it is characterised in that the cable is wrapped successively from inside to outside
Include：Conductor thread core 1, around the conductor shield 2 being wrapped in outside conductor thread core 1, the TPV elastomers being coated on outside conductor shield 2 are exhausted
Edge layer 3, is coated on the insulation screen 4 outside the elastic body insulated layers 3 of TPV, is coated on the shielding layer of copper wires 5 outside insulation screen 4
With the oversheath 6 being coated on outside shielding layer of copper wires 5.
In the utility model, the conductor thread core 1 is single piece of metal wire or is by same by many plain conductors
The stranded stranded conductor in direction, the conductor thread core 1 is preferably stranded conductor.
In the utility model is a kind of preferred embodiment, the conductor thread core 1 is formed by many copper wires are stranded, preferably
Ground, is closed by many copper wire left-hand bundle strands and formed.
In the utility model, a diameter of 0.30~1.04mm of the plain conductor, preferably 0.40~0.85mm, institute
The overall diameter of conductor thread core 1 is stated for 2.2~3.12mm, preferably 2.2~3.12mm, in the utility model, the conductor lines
The overall diameter of core 1 refers to, when conductor thread core 1 is single piece of metal wire, the diameter of the plain conductor；When conductor thread core 1 is strand
When closing conductor, the diameter that the stranded conductor is integrally presented.
The inventors discovered that, the plain conductor of a diameter of 0.30~1.04mm is readily available, and can be carried according to cable
The size of electric current and voltage, is twisted into the conductor thread core of different overall diameters, and form conductor using above-mentioned plain conductor is stranded
The cable of core, flexibility is good, is suitable to movement and lays.
It is semi-conductive tape, preferably as the wrapped band for forming the conductor shield (2) in the utility model
Semiconductive nylon tape or the special many tengential belts of semiconductive.
In the utility model, the wrapped width for forming band used by the conductor shield 2 is 10~25mm, preferably
15~20mm；The inventors discovered that, when the width of the material therefor of the conductor shield 2 is 10~25mm, it can either expire
Foot puts up the requirement of rate, it is also possible to meets the requirement of lapping angle, makes flat appearance, the corrugationless of conductor shield 2.
In the utility model, the wrapped thickness for forming band used by the conductor shield 2 is 0.10~0.20mm, excellent
Elect 0.15mm as, the inventors discovered that, thickness is smaller, conductor shield 2 it is wrapped more consolidation, when thickness be 0.10~
Sufficient shielding action can either be played during 0.20mm, can make the degree of packing of conductor shield 2 high again.
In the utility model, the wrapped density for forming band used by the conductor shield 2 is 1.11~1.15g/
cm3, preferably 1.13g/cm3, the inventors discovered that, density of material is 1.11~1.15g/cm3When both there is stronger shielding to make
With while production cost can be saved again.
In the utility model, the rate of putting up of the conductor shield 2 is 20%~30%, preferably 25%, the present invention
People find, when conductor shield 2 put up rate for 20%~30% when, its can uniform electric field, prevent cable breakdown.
In the utility model, the rate of putting up is technical term commonly used in the art, typicallys represent later layer winding
Thing puts up the area ratio on preceding layer twister.
In the utility model, the elastic body insulated layers 3 of TPV are extruded with outside conductor shield 2.
In the utility model, the TPV elastomers refer to TPV.
The inventors discovered that, conductor shield 2 well connects with the equipotential of conductor thread core 1 and with the elastic body insulated layers 3 of TPV
Touch, so as to avoid that shelf depreciation occurs between conductor thread core 1 and the elastic body insulated layers 3 of TPV.
In the utility model, the thickness of the elastic body insulated layers 3 of TPV is 4.0~13.0mm, preferably 5.0~
8.0mm, when cable power-on voltage is bigger, the thickness required for TPV elastic insulating layers 3 is bigger, to prevent cable operationally
It is breakdown.
In the utility model, as shown in figure 1, also existing between the conductor shield 2 and the elastic body insulated layers 3 of TPV
Composite interlayer 21, the composite interlayer 21 is to be infiltrated by conductor shield 2 and the elastic body insulated layers 3 of TPV, permeate and formed
Mixed material layer.
In the utility model, insulation screen 4 is surrounded with outside the elastic body insulated layers 3 of TPV.
It is semi-conductive tape, preferably as the wrapped band for forming the insulation screen (4) in the utility model
Semiconductive nylon tape or the special many tengential belts of semiconductive, it is preferable that band and wrapped formation used by the wrapped formation insulation screen 4
Band used by conductor shield 2 is identical.
In the utility model, the wrapped width for forming band used by the insulation screen 4 is 20~50mm, preferably
30~40mm, the inventors discovered that, when the width of the material therefor of insulation screen 4 is 20~50mm, it can either meet takes
The requirement of lid rate, it is also possible to meet the requirement of lapping angle, makes flat appearance, the corrugationless of insulation screen 4.
In the utility model, the wrapped thickness for forming band used by the insulation screen 4 is 0.15~0.20mm, excellent
Elect 0.15mm as, the inventors discovered that, thickness is smaller, insulation screen 4 it is wrapped more consolidation, when thickness be 0.10~
Sufficient shielding action can either be played during 0.20mm, can make the degree of packing of insulation screen 4 high again.
In the utility model, the wrapped density for forming band used by the insulation screen 4 is 1.13~1.15g/
cm3, preferably 1.13g/cm3, the inventors discovered that, density of material is 1.11~1.15g/cm3When both there is stronger shielding to make
With while production cost can be saved again.
In the utility model, the rate of putting up of the insulation screen 4 is 20%~30%, preferably 25%, the present invention
People find, when insulation screen 4 put up rate for 20%~30% when, its can uniform electric field, prevent cable breakdown.
The inventors discovered that, insulation screen 4 and the elastic body insulated layers 3 of TPV can good contact, and with its outside cladding
The equipotential of shielding layer of copper wires 5, improve Electric Field Distribution, so as to avoid between the elastic body insulated layers 3 of TPV and sheath occur
Shelf depreciation.
In the utility model, shielding layer of copper wires 5 is coated with outside insulation screen 4, the inventors discovered that, use copper
Silk screen layer 5 can make obtained cable have more preferable flexibility as metal screen layer.
In the utility model, a diameter of 0.12~0.18mm of copper wire used by the shielding layer of copper wires 5, preferably
0.15mm。
In the utility model, the weaving manner of the shielding layer of copper wires 5 is that plain weave is netted, the inventors discovered that,
The weaving manner is easily carried out on cable, and is obtained in that screen layer of the count more than 90%, and, the braiding
The flexibility of the shielding layer of copper wires 5 that mode is formed is good.
In the utility model, the count of the shielding layer of copper wires 5 is more than 90%, preferably 95%, the present invention
People has found that the bigger shield effectiveness of count is better, existing good when the count of shielding layer of copper wires 5 is more than 90%
Shield effectiveness, also have good flexibility.
In the utility model, the thickness of the shielding layer of copper wires 5 is about 4 times of brass wire diameter used, preferably 0.48~
0.60mm, preferably 0.60mm.
In the utility model, oversheath 6 is also extruded with outside shielding layer of copper wires 5, the oversheath 6 is by flexible PVC
It is made.
In the utility model, the thickness of the oversheath 6 is 1.5~2.0mm, preferably 1.8~1.9mm, the present invention
People has found that the thickness of oversheath 6 is bigger, and it such as prevents the protective effect for scratching stronger cable inside, and the thickness of oversheath 6
Degree is thinner, and the flexibility of cable is better, and the thickness of oversheath 6 can either play enough protection and make when being 1.5~2.0mm
With the softness requirements of cable can be met again.
The high voltage direct current cable that the utility model is provided includes wrapped shielding and two kinds of shielding modes of metallic shield, wherein,
Wrapped shielding includes conductor shielding and insulation shielding again, meanwhile, also exist between conductor shielding and the elastic body insulated layers of TPV multiple
Intermediate layer is closed, so as to significantly enhance the shielding properties of the high voltage direct current cable, is made so as to solve high voltage direct current cable
Used time electric shield effect is poor, the problem that electromagnetic interference is serious, additionally, the high voltage direct current cable to employ TPV elastic body insulated
Layer, solves the problems, such as that high voltage direct current cable easily punctures.
According to the high voltage direct current cable that the utility model is provided, have the advantages that：
(1) the elastic body insulated layers of the TPV of the high voltage direct current cable are tough and softness, and intensity is traditional rubber peel cable cover(ing)
More than two times of layer, reach as high as more than 30MPa, and anti-torsion was more than for 60 cycles under the conditions of -40 DEG C, is more than at normal temperatures
260 cycles；
(2) high voltage direct current cable has anti-light, old thermalization, water-fast, acid, alkali, salt fog and low-density (0.91g/cm3)
The characteristics of；
(3) the high voltage direct current cable structure design is simple, and stable performance can meet high-voltage direct current device cable
Performance requirement；
(4) the high voltage direct current cable anti-electromagnetic interference capability is strong, and pressure-resistant performance, resistance to bend(ing) can be good.
The utility model has been described in detail above in association with specific embodiment and exemplary example, but these are said
It is bright to be interpreted as to limitation of the present utility model.It will be appreciated by those skilled in the art that without departing from the utility model spirit and
In the case of scope, technical solutions of the utility model and embodiments thereof can be carried out with various equivalencings, modification or improved,
These are each fallen within the range of the utility model.Protection domain of the present utility model is determined by the appended claims.
Claims (10)
1. a kind of high voltage direct current cable, it is characterised in that the cable includes successively from inside to outside：Conductor thread core (1), leads around being wrapped in
Body core (1) conductor shield (2) outward, is coated on conductor shield (2) the elastic body insulated layers of TPV (3) outward, is coated on
The elastic body insulated layers of TPV (3) insulation screens (4) outward, are coated on insulation screen (4) shielding layer of copper wires (5) and bag outward
It is overlying on shielding layer of copper wires (5) oversheath (6) outward.
2. high voltage direct current cable according to claim 1, it is characterised in that the conductor thread core (1) is led for single piece of metal
Line is by many plain conductors stranded conductor stranded at same direction；
A diameter of 0.30~1.04mm of the plain conductor, the overall diameter of the conductor thread core (1) is 2.2~3.12mm.
3. high voltage direct current cable according to claim 1, it is characterised in that form the conductor shield as wrapped
(2) band, is semi-conductive tape.
4. high voltage direct current cable according to claim 1, it is characterised in that band used by the conductor shield (2)
Width is 10~25mm, and thickness is 0.10~0.20mm, and density is 1.11~1.15g/cm3, rate of putting up is 20%~30%.
5. high voltage direct current cable according to claim 1, it is characterised in that the thickness of the elastic body insulated layers of TPV (3)
It is 4.0~13.0mm.
6. high voltage direct current cable according to claim 1, it is characterised in that the conductor shield (2) and TPV elastomers
Also there is composite interlayer (21) between insulating barrier (3), the composite interlayer (21) is by conductor shield (2) and TPV bullets
The mixed material layer that gonosome insulating barrier (3) infiltration, infiltration are formed.
7. high voltage direct current cable according to claim 1, it is characterised in that form the insulation screen as wrapped
(4) band, is semi-conductive tape.
8. high voltage direct current cable according to claim 7, it is characterised in that band used by the insulation screen (4)
Width is 20~50mm, and thickness is 0.15~0.20mm, and density is 1.13~1.15g/cm3, rate of putting up is 25%~30%.
9. high voltage direct current cable according to claim 1, it is characterised in that copper wire used by the shielding layer of copper wires (5)
A diameter of 0.12~0.15mm, the weaving manner of the shielding layer of copper wires (5) is that plain weave is netted, the shielding layer of copper wires
(5) count is more than 90%, and the thickness of the shielding layer of copper wires (5) is 0.48~0.60mm.
10. high voltage direct current cable according to claim 1, it is characterised in that the oversheath (6) is by flexible PVC system
Into the thickness of the oversheath (6) is 1.5~2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621451619.5U CN206293171U (en) | 2016-12-28 | 2016-12-28 | A kind of high voltage direct current cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621451619.5U CN206293171U (en) | 2016-12-28 | 2016-12-28 | A kind of high voltage direct current cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293171U true CN206293171U (en) | 2017-06-30 |
Family
ID=59154866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621451619.5U Active CN206293171U (en) | 2016-12-28 | 2016-12-28 | A kind of high voltage direct current cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206293171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741884A (en) * | 2018-12-25 | 2019-05-10 | 广州南洋电缆有限公司 | A kind of new energy car high-tension cable manufacturing method |
| CN110105687A (en) * | 2019-04-03 | 2019-08-09 | 上海新益电力线路器材有限公司 | Weather-proof aerial cable and preparation method thereof is blended in protective cover material, modified polyvinyl chloride alkenyl |
-
2016
- 2016-12-28 CN CN201621451619.5U patent/CN206293171U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741884A (en) * | 2018-12-25 | 2019-05-10 | 广州南洋电缆有限公司 | A kind of new energy car high-tension cable manufacturing method |
| CN109741884B (en) * | 2018-12-25 | 2020-12-01 | 广州南洋电缆有限公司 | Manufacturing method of high-voltage cable in new energy vehicle |
| CN110105687A (en) * | 2019-04-03 | 2019-08-09 | 上海新益电力线路器材有限公司 | Weather-proof aerial cable and preparation method thereof is blended in protective cover material, modified polyvinyl chloride alkenyl |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104167254B (en) | Double-sheath high voltage connecting cable used in electric vehicle and provided with ultra-soft aluminum conductor and method for manufacturing double-sheath high voltage connecting cable | |
| CN107039107A (en) | A kind of New-energy electric vehicle charging pile quick charging cable | |
| CN105047265B (en) | High-voltage flexible cable for smart energy motor train unit and production technology thereof | |
| CN104240824B (en) | Electric automobile high-voltage battery connecting line | |
| CN206293171U (en) | A kind of high voltage direct current cable | |
| CN109300587A (en) | A kind of waterproofing type electric railway mould proof termite-resistant rodent-resistant cable and preparation method thereof | |
| CN202183242U (en) | 2MW low temperature torsion flexible cable used in wind power generation | |
| CN206412103U (en) | Coaxial special type heavy current pulse cable | |
| CN205692592U (en) | Double shield flexibility new forms of energy car inner high voltage cable | |
| CN203799704U (en) | Wear-resistant tensile flat cable for power and control | |
| CN105655018B (en) | A kind of deep-sea high hydraulic pressure cable of anti-radial direction | |
| CN202615827U (en) | Butyronitrile insulated and metal shielded control flexible cable | |
| CN205582537U (en) | Novel high waterproof high tension cable | |
| CN207718895U (en) | A kind of novel RVV composite cables | |
| CN106504819A (en) | A kind of high voltage direct current cable | |
| CN206741948U (en) | A kind of super soft coaxial composite cable of symmetric radio frequency | |
| CN205692621U (en) | Multilayer screen flexibility new forms of energy car inner high voltage cable | |
| CN104616814A (en) | Metal wire woven graphene composite shielding low-load DC (direct current) high-voltage flexible cable | |
| CN103762019A (en) | Anti-electromagnetic-interference flexible cable and manufacturing method thereof | |
| CN203850016U (en) | Fire-fighting halogen-free low-smoke armored radio frequency cable | |
| CN201788729U (en) | Ethylene propylene rubber insulation monitoring type mine cold-resistant flexible cable | |
| CN202694845U (en) | Marine control and instrument cable | |
| CN203242410U (en) | Small cross section data integration shielded cable | |
| CN205451912U (en) | Two hank elevator video lines of shielding | |
| CN206412105U (en) | Super soft many protection electric automobile high-voltage aluminum conductors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |