CN209357479U - A kind of XLPE insulating layer and its cable - Google Patents
A kind of XLPE insulating layer and its cable Download PDFInfo
- Publication number
- CN209357479U CN209357479U CN201920387818.1U CN201920387818U CN209357479U CN 209357479 U CN209357479 U CN 209357479U CN 201920387818 U CN201920387818 U CN 201920387818U CN 209357479 U CN209357479 U CN 209357479U
- Authority
- CN
- China
- Prior art keywords
- insulating layer
- layer
- slot
- axially extending
- 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 relates to the technical fields of the cable for oil drilling, and in particular to a kind of XLPE insulating layer and its cable.The insulating layer includes the first insulating layer and the second insulating layer that is coated on the outside of first insulating layer, the internal circumferential of the second insulating layer is equipped at intervals with axially extending cavity, and the second insulating layer is circumferentially-spaced equipped with axially extending through slot close to the side of first insulating layer.The setting of the insulating layer middle groove of the utility model reduces the contact area between two insulating layers, therefore can further strengthen the integral insulation effect of the insulating layer；Since cavity and through slot can absorb part external force, the flexibility of insulating layer is also further enhanced.
Description
Technical field
The utility model relates to the technical fields of the cable for oil drilling, and in particular to a kind of XLPE insulating layer and its
Cable.
Background technique
Need to provide electric power and transmission data during oil drilling using a large amount of cable, due to operation on the sea
Particularity, it is desirable that the waterproofness of cable and stronger insulation performance.
Authorization Notice No. is that the patent of invention of CN101916616B discloses a kind of power grid interlink of offshore oil platform
Submarine cable, the submarine cable include three copper conductors of three-phase split-phase, be compounded in respectively it is exhausted outside three copper conductors
Edge and waterproof protective layer, the external protection being coated on outside insulation and waterproof protective layer are filled in external protection and insulation and anti-
Filled layer between water conservation layer, the extra large optical cable unit being arranged in the filled layer, the armouring being installed at outside external protection
Steel wire and the serving outside armouring wire, the insulation and waterproof protective layer include being compounded in three copper cores from inside to outside
Semiconductive polyethylene shielded layer, crosslinked polyetylene insulated layer, semiconductive polyethylene water blocking layer, metal outside conducting wire cover and gather
Ethylene sheath, the external protection include the compound of gluing layer of cloth and the polypropylene rope being compounded in outside gluing layer of cloth and pitch
Layer, the filled layer are modular hard packing made of polypropylene material, and the sea optical cable unit includes two optical cables, every light
Cable is 12 cores, and cable jacket has stainless steel sleeve pipe, and stainless steel sleeve pipe is armoured steel wire, and the burying undersea cables are under sea bed
0.5~2.5 meter, wherein it is marine to be partly embedded under sea bed 1.5~2.5 meters, after in shoal, part is protected with submarine cable protecting pipe
0.5~1.5 meter is embedded under sea bed, which will be distributed over more on multiple offshore drilling platforms in a sea area
A offshore platform power station connects to form the small electrical system generated electricity by way of merging two or more grid systems.
Inventor is in practice, it has been found that the above-mentioned prior art has the following deficiencies:
The insulation performance of crosslinked polyetylene insulated layer depends entirely on the thickness of the insulating layer, not only increases insulating layer in this way
Cost of manufacture and reduce insulating layer flexibility, and insulation effect is unsatisfactory.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of XLPE insulating layer and its cable,
Used technical solution is specific as follows:
A kind of XLPE insulating layer, the insulating layer include the first insulating layer and be coated on the outside of first insulating layer the
Two insulating layers, the internal circumferential of the second insulating layer are equipped at intervals with axially extending cavity, and the second insulating layer is close to institute
The side for stating the first insulating layer is circumferentially-spaced equipped with axially extending through slot.
Further, first insulating layer is equipped with the first axially extending notch close to the side of the second insulating layer.
Further, the second insulating layer is equipped with the second axially extending notch far from the side of first insulating layer.
Further, the through slot is set to side of the second insulating layer between cavity described in every two.
Further, the insulating layer uses crosslinked polyethylene.
A kind of cable, the cable include conductor wire core, and be coated on the outside of the conductor wire core from inside to outside shielded layer,
Insulating layer, water blocking layer, lead sheath and outer jacket, the insulating layer include the first insulating layer and are coated on outside first insulating layer
The second insulating layer of side, the internal circumferential of the second insulating layer are equipped at intervals with axially extending cavity, the second insulating layer
It is circumferentially-spaced equipped with axially extending through slot close to the side of first insulating layer.
Further, the water blocking layer is equipped with the axially extending through slot that blocks water close to the side of the insulating layer.
Further, greasy for preventing water is filled in the through slot that blocks water.
Further, the shielded layer uses semiconductive polyethylene.
The utility model has the following beneficial effects:
A kind of XLPE insulating layer that the utility model is proposed, the insulating layer is by the first insulating layer and second insulating layer group
At, it is equipped with cavity in the inside of second insulating layer, is equipped with through slot close to the side of the first insulating layer in second insulating layer, through slot
The contact area reduced between second insulating layer and the first insulating layer is set, therefore the whole of the insulating layer can be further strengthened
Body insulation effect；Since cavity and through slot can absorb part external force, the flexibility of insulating layer is also further enhanced.Using
The mode of the Combination Design of double layer of insulation can absorb part axial force, and then improve the tensile strength of the insulating layer.
Detailed description of the invention
Fig. 1 is radial junction of a kind of XLPE insulating layer about the first insulating layer provided by the utility model one embodiment
Structure schematic diagram；
Fig. 2 is the radial direction in a kind of XLPE insulating layer provided by the utility model one embodiment about second insulating layer
Structural schematic diagram；
Fig. 3 shows for a kind of radial structure of the cable equipped with XLPE insulating layer provided by the utility model one embodiment
It is intended to.
In figure: 100- conductor wire core, 200- shielded layer, 300- insulating layer, 400- water blocking layer, 500- lead sheath, outside 600-
Sheath, the first insulating layer of 301-, the first notch of 3011-, 302- second insulating layer, 3021- cavity, 3022- through slot, 3023-
Two notches, 401- block water through slot.
Specific embodiment
In order to further illustrate that the utility model is to reach the technological means and function that predetermined purpose of utility model is taken
Effect, below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes a kind of XLPE insulating layer and its cable, tool
Body embodiment, structure, feature and its effect, detailed description are as follows.In the following description, different " one embodiment " or
What " another embodiment " referred to is not necessarily the same embodiment.In addition, special characteristic, structure in one or more embodiments or
Feature can be combined by any suitable form.
It should be noted that it can be directly another when element is referred to as " setting " or " connection " another element
On a element or there may also be elements placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Herein it is used in the description of the utility model belong to only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
A kind of specific description XLPE insulating layer provided by the utility model and its cable is specific with reference to the accompanying drawing
Scheme.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 shows a kind of XLPE insulating layer of the utility model one embodiment offer
About the radial structure schematic diagram of the first insulating layer, Fig. 2 shows a kind of XLPE provided by the utility model one embodiment
About the radial structure schematic diagram of second insulating layer in insulating layer, which is provided with the structure for reinforcing insulation effect, is applicable in
In cable.The insulating layer 300 includes the first insulating layer 301 and second insulating layer 302, and second insulating layer 302 is coated on first absolutely
The outside of edge layer 301.
Specifically, the inside of second insulating layer 302 is spaced apart along circumferential direction is equipped with cavity 3021, cavity 3021 is along axial direction
Extending direction setting.Improving the insulation effect of insulating layer entirety in such a way that cavity 3021 is arranged in the inside of insulating layer.?
Second insulating layer 302 offers through slot 3022,3022 edge of through slot close to what the side of the first insulating layer 301 was spaced along circumferential direction
Axially extending direction setting.Since the setting of through slot 3022 can reduce between second insulating layer 302 and the first insulating layer 301
Contact area, therefore the setting of the through slot 3022 can further strengthen the integral insulation effect of the insulating layer；Due to cavity
3021 and through slot 3022 can absorb part external force, therefore the flexibility of insulating layer can be further increased.Since insulating layer 300 is
It is made of the first insulating layer 301 and second insulating layer 302, therefore second insulating layer 302 can absorb part axial force, further
Improve the tensile strength of the insulating layer.
In conclusion a kind of XLPE insulating layer that the utility model is proposed, the insulating layer is by the first insulating layer and second
Insulating layer composition is equipped with cavity in the inside of second insulating layer, is equipped with and leads to close to the side of the first insulating layer in second insulating layer
The setting of slot, through slot reduces the contact area between second insulating layer and the first insulating layer, therefore can further strengthen this
The integral insulation effect of insulating layer；Since cavity and through slot can absorb part external force, insulating layer is also further enhanced
Flexibility.By the way of the Combination Design of double layer of insulation, part axial force can be absorbed, and then improves the drawing of the insulating layer
Stretch intensity.
Referring to Fig. 1, in other embodiments, the first insulating layer 301 is opened up close to the side of second insulating layer 302
There is the first notch 3011, the first notch 3011 in axial direction extends.The setting of first notch 3011 facilitate staff into
When row service work, the insulating layer is quickly removed by first notch 3011.Specific in the present embodiment, first
Two the first notches 3011 are symmetrically arranged close to the side of second insulating layer 302 in insulating layer 301.In other embodiments, may be used
The quantity of the first notch 3011 to be arranged according to actual needs.
Referring to Fig. 2, in other embodiments, side of the second insulating layer 302 far from first insulating layer 301
The second notch 3023 is offered, the second notch 3023 is in axial direction extended.Second notch 3023 be set to first lack
The effect of mouth 3011 is identical, and staff is facilitated to remove the insulating layer.It is remote in second insulating layer 302 specific in the present embodiment
Two the second notches 3023 are symmetrically arranged in side from first insulating layer 301.It in other embodiments, can be according to reality
Border needs to be arranged the quantity of the second notch 3023.
In other embodiments, through slot 3022 is set to the side of the insulating layer between every two cavity 3021.Through slot
3022 are staggered with cavity 3021.Through slot 3022 and cavity 3021 are staggered and can guarantee the radial thickness of insulating layer.
In other embodiments, the insulating layer uses material of the crosslinked polyethylene as insulating layer.Certainly, as needed
Other existing materials suitable for cable insulation, such as pvc material, fluoroplastics material, rubber can also be selected
Insulating materials, EP rubbers material or silicone rubber insulation material etc..
Referring to Fig. 3, it illustrates a kind of electricity equipped with XLPE insulating layer provided by the utility model one embodiment
The radial structure schematic diagram of cable, the cable use above-mentioned XLPE insulation layer structure.The cable includes conductor wire core 100, shielded layer
200, insulating layer 300, water blocking layer 400, lead sheath 500 and outer jacket 600, wherein the outside of conductor wire core 100 is from inside to outside
Successively it is coated with shielded layer 200, insulating layer 300, water blocking layer 400, lead sheath 500 and outer jacket 600.The wherein insulation of the cable
Layer 300 is using XLPE insulation layer structure provided by any one above-mentioned embodiment.
Specifically, water blocking layer 400 offers the through slot 401 that blocks water close to the side of insulating layer 300,401 edge of through slot that blocks water
Axially extending direction setting.The through slot that blocks water being capable of the further power that is applied of absorbing external.Specific in the present embodiment, the resistance
Water layer 400 uses semiconductive polyethylene, and fills greasy for preventing water in the through slot that blocks water, being capable of preferable waterproof, moisture-proof gentle
Punching effect.The greasy for preventing water is the prior art, can buy relevant product on the market.
Specifically, in the present embodiment, material of the shielded layer 200 using semiconductive polyethylene as shielded layer.At other
It, can also be using the shielded layer of other materials production in embodiment.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (9)
1. a kind of XLPE insulating layer, which is characterized in that the insulating layer includes that the first insulating layer insulate with being coated on described first
The second insulating layer in layer outside, the internal circumferential of the second insulating layer are equipped at intervals with axially extending cavity, and described second absolutely
Edge layer is circumferentially-spaced equipped with axially extending through slot close to the side of first insulating layer.
2. a kind of XLPE insulating layer according to claim 1, which is characterized in that first insulating layer is close to described second
The side of insulating layer is equipped with the first axially extending notch.
3. a kind of XLPE insulating layer according to claim 1, which is characterized in that the second insulating layer is far from described first
The side of insulating layer is equipped with the second axially extending notch.
4. a kind of XLPE insulating layer according to claim 1, which is characterized in that the through slot is set to second insulation
Side of the layer between cavity described in every two.
5. a kind of XLPE insulating layer described in any one according to claim 1 ~ 4, which is characterized in that the insulating layer is using friendship
Join polyethylene.
6. a kind of cable, which includes conductor wire core, and be coated on the outside of the conductor wire core from inside to outside shielded layer, absolutely
Edge layer, water blocking layer, lead sheath and outer jacket, which is characterized in that the insulating layer includes the first insulating layer and is coated on described the
Second insulating layer on the outside of one insulating layer, the internal circumferential of the second insulating layer is equipped at intervals with axially extending cavity, described
Second insulating layer is circumferentially-spaced equipped with axially extending through slot close to the side of first insulating layer.
7. a kind of cable according to claim 6, which is characterized in that the water blocking layer is set close to the side of the insulating layer
There is the axially extending through slot that blocks water.
8. a kind of cable according to claim 7, which is characterized in that be filled with greasy for preventing water in the through slot that blocks water.
9. a kind of cable according to claim 6 ~ 8 any one, which is characterized in that the shielded layer is poly- using semiconductive
Ethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387818.1U CN209357479U (en) | 2019-03-26 | 2019-03-26 | A kind of XLPE insulating layer and its cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920387818.1U CN209357479U (en) | 2019-03-26 | 2019-03-26 | A kind of XLPE insulating layer and its cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209357479U true CN209357479U (en) | 2019-09-06 |
Family
ID=67804526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920387818.1U Active CN209357479U (en) | 2019-03-26 | 2019-03-26 | A kind of XLPE insulating layer and its cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209357479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735657A (en) * | 2020-12-21 | 2021-04-30 | 江苏联东康电子科技有限公司 | Automobile cable and manufacturing method thereof |
-
2019
- 2019-03-26 CN CN201920387818.1U patent/CN209357479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735657A (en) * | 2020-12-21 | 2021-04-30 | 江苏联东康电子科技有限公司 | Automobile cable and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201210417Y (en) | Safe flexible frequency variable cable | |
| EP3384503B1 (en) | Electrical cables | |
| CN201584213U (en) | Water-resisting steel wire cross-linking power cable | |
| CN106653183B (en) | Super-capacity crosslinked polyethylene insulated photoelectric composite submarine cable | |
| CN102982875A (en) | Cable | |
| CN209357479U (en) | A kind of XLPE insulating layer and its cable | |
| CN201069676Y (en) | Cross-linked polythene insulation power cable based on fully water retarding and resisting tree | |
| CN107274985B (en) | Z-shaped copper wire armored photoelectric composite submarine cable | |
| CN210142528U (en) | Cable with a protective layer | |
| CN201378460Y (en) | Novel cross-linked cable | |
| CN216212532U (en) | Anticorrosive radial waterproof power cable of protection against rodents ant | |
| CN206075910U (en) | A kind of water resistant tree crosslinked polyethylene insulation material cable | |
| CN202502784U (en) | Vertically watertight cable | |
| CN208368210U (en) | A kind of submarine cable | |
| CN208570152U (en) | Waterproof and shielded flexible cable resistant to chemical etching | |
| CN203102961U (en) | Cable for mudflat | |
| CN205789282U (en) | A kind of crosslinked polyetylene insulated Optical Fiber Composite three core sea electric power cable | |
| CN105609177A (en) | Improved underwater power cable | |
| CN205508454U (en) | Single core submarine cable | |
| CN205406129U (en) | Power cable is used at improved generation bottom | |
| CN203839116U (en) | Three-core medium-voltage cable having water resistance and water tree resistance | |
| CN106158115A (en) | One is pressed crosslinked polyethylene water repellent electric cable | |
| CN220569444U (en) | Waterproof composite cable | |
| CN204760119U (en) | Tensile, resistance to compression middling pressure power cable that blocks water | |
| CN204651076U (en) | The water resistant tree twisted polyethylene cable improved |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |