CN105609177A - Improved underwater power cable - Google Patents
Improved underwater power cable Download PDFInfo
- Publication number
- CN105609177A CN105609177A CN201610120103.0A CN201610120103A CN105609177A CN 105609177 A CN105609177 A CN 105609177A CN 201610120103 A CN201610120103 A CN 201610120103A CN 105609177 A CN105609177 A CN 105609177A
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- power cable
- conductor
- bottom power
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/028—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients with screen grounding means, e.g. drain wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/14—Submarine cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/226—Helicoidally wound metal wires or tapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/021—Features relating to screening tape per se
Abstract
The invention discloses an improved underwater power cable. The improved underwater power cable comprises a cable core, wherein the cable core is formed by twisting a plurality of round wire cores, gaps of the cable core are filled with a filling body, a round semi-conduction water blocking tape, a polyethylene inner protection layer, a first metal armor layer, a first sheath layer, a second metal armor layer and a second sheath layer are sequentially arranged outside the cable wore, and each wire core comprises a conductor and a water blocking layer, a conductor shielding layer, an insulation layer, an insulation shielding layer and a metal shielding layer which are sequentially arranged outside the conductor. With the adoption of a dual-armor and dual-sheath structure, the improved underwater power cable has the characteristics of high water tightness, voltage resistance, corrosion resistance, large tensile strength and the like.
Description
Technical field
What the present invention relates to is electric wire field, specifically refers to a kind of high watertightness, the composite wire armouring that corrosion-resistant, mechanical strength is large, two sheaths bottom power cable.
Background technology
Submarine cable, as the term suggests be exactly to be laid in seabed or river under water as the power cable of electric power transfer. Along with greatly developing of the fast development of China's marine economy, particularly New Energy Industry, the water-bed power cable of voltage levels obtained extensive use. Water-bed power cable is as the important carrier of offshore islands, rivers and lakes and intercity electric power transfer, it is a complicated engineering that submarine cable technology is known as by countries in the world, no matter be that cable design, manufacture, difficulty of construction, some key technical index are all far above common cable product, therefore, the research and development of submarine cable are significant.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of withstand voltage, watertightness performance good, corrosion-resistant, mechanical strength is large, shielding properties is good water-bed power cable.
A kind of modified of the present invention bottom power cable, comprises cable core, and its cable core is by many stranded the forming of round core; Gap at cable core is provided with obturator, is provided with successively round semiconductive waterstop, polythene inner, the first metal armouring layer, the first restrictive coating, the second metal armouring layer and the second restrictive coating outward at cable core; Described core is made up of conductor and the water blocking layer, conductor shield, insulating barrier, insulation screen, the metal screen layer that are successively set on outside conductor.
Further improve, described conductor adopts the 1st kind of real core conductor or the 2nd kind of stranded conductor in national standard " conductor of cable ".
Further improve, described water blocking layer is semiconductive nylon tape.
Further improve, described conductor shield is for extruding semi-conductive layer.
Further improve, described insulating barrier is for extruding ultra-clean crosslinked polyetylene insulated layer.
Further improve, described insulation screen is the peelable or not peelable semi-conductive layer that extrudes.
Further improve, described metal screen layer is the combining structure body of one or more copper strips or copper wire and copper strips.
Further improve, described obturator is non-absorbent material structure.
Further improve, the first described metal armouring layer and the second metal armouring layer by the different non-magnetic stainless steel steel wire of quantity side by side around formation.
Further improve, the first described restrictive coating and the second restrictive coating are thermoplastic elastic body structure.
Beneficial effect of the present invention is:
1, because submarine cable complex structure, the load bearing is larger, especially break down and need to salvage while repairing, bear load larger when normally laying, therefore adopt composite wire sheathed structure, can significantly improve the mechanical strength of cable, can effectively prevent because of sinker, execute the damage that the factors such as net cause power cable;
2, conductor and core stranding are all coated with water blocking tape layer, can improve the block-water performance of cable;
3, the wrapped metal screen layer of insulated wire cores, can play following two Main Functions: the one, what when cable is switched on, produce is electromagnetic-field-shielded in insulated wire cores, produces to external world electromagnetic interference to reduce; The 2nd, the fault current in the scope of design that system is produced is introduced safely earthed system, protection system safe operation;
4, adopt thermoplastic elastic material to make sheath and be designed to inside and outside two jacket structure, can play double protection to cable conductor, can prevent that the water of elevated pressures is penetrated into cable inside, thering is good radial water-resisting effect;
5, cable sheath material adopts thermoplastic elastic TPE/TPR, and thermoplastic elastomer (TPE) claims again artificial rubber or synthetic rubber, and its product possesses high resiliency, ageing-resistant, oil resistivity, environmental protection, every excellent properties such as nontoxic, is globalization standard environment-friendly materials;
6, the inside and outside surface of every layer of metal armouring layer is equipped with protective layer, and armor has been played to protective effect, also can not be worn because producing friction the overall performance that affects cable between armor;
7, above all, obviously improve the applicability of cable, make cable can be applicable to better environment for use.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
As shown in Figure 1, the water-bed power cable of a kind of modified of the present invention, mainly comprises the conductor 1 that is positioned at cable center, and this conductor 1 adopts the 1st kind of real core conductor or the 2nd kind of stranded conductor in national standard " conductor of cable "; The outer coated water blocking layer 2 that adopts semiconductive nylon tape successively of conductor 1, then adopt three-layer co-extruded extrusion process, extrude respectively conductor shield 3, insulating barrier 4 and insulation screen 5, wrapped metal screen layer 6 forms core again, three cores are being twisted into cable core, and the gap of cable core is provided with the obturator 7 of non-absorbent material structure; After stranding cable core outward successively wrapped semiconductive waterstop 8, extrude PE sheath 9, wrapped the first wire armor 10, extrude the first restrictive coating 11, wrapped the second wire armor 12, extrudes the second restrictive coating 13.
Wherein, the first metal armouring layer 10 and the second metal armouring layer 12 by the different non-magnetic stainless steel steel wire of quantity side by side around forming; The first described restrictive coating 11 and the second restrictive coating 13 are thermoplastic elastic body structure.
The present invention has following characteristics:
1) extrude one deck semiconductive waterstop in conductor periphery, the semiconductive waterstop that it and stranding are used forms two stop waters, can significantly promote the block-water performance of cable;
2) after cable protects in extruding and internal layer sheath extrude after each armouring one deck non-magnetic stainless steel silk, adopt composite wire sheathed structure, significantly improved the mechanical strength of cable;
3) cable core adopts two jacket structures, can play double protection to cable conductor, and watertightness, corrosion resistance are better;
4) cable cover(ing) adopts thermoplastic elastic TPE/TPR, and thermoplastic elastomer (TPE) claims again artificial rubber or synthetic rubber, and its product possesses high resiliency, ageing-resistant, oil resistivity, environmental protection, every excellent properties such as nontoxic, is globalization standard environment-friendly materials.
Undoubtedly, cable possesses above-described main feature and has directly improved the applicability of cable, makes cable can be applicable to better environment for use.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, and these improve and also should be considered as protection scope of the present invention.
Claims (10)
1. a modified bottom power cable, comprises cable core, it is characterized in that, its cable core is by many stranded the forming of round core; Be provided with obturator (7) in the gap of cable core, be provided with successively round semiconductive waterstop (8), PE sheath (9), the first metal armouring layer (10), the first restrictive coating (11), the second metal armouring layer (12) and the second restrictive coating (13) outward at cable core; Described core is by conductor (1) and be successively set on water blocking layer (2), conductor shield (3), insulating barrier (4), insulation screen (5), metal screen layer (6) formation outside conductor.
2. modified according to claim 1 bottom power cable, is characterized in that, described conductor (1) adopts the 1st kind of real core conductor or the 2nd kind of stranded conductor in national standard " conductor of cable ".
3. modified according to claim 1 bottom power cable, is characterized in that, described water blocking layer (2) is semiconductive nylon tape.
4. modified according to claim 1 bottom power cable, is characterized in that, described conductor shield (3) is for extruding semi-conductive layer.
5. modified according to claim 1 bottom power cable, is characterized in that, described insulating barrier (4) is for extruding ultra-clean crosslinked polyetylene insulated layer.
6. modified according to claim 1 bottom power cable, is characterized in that, described insulation screen (5) is the peelable or not peelable semi-conductive layer that extrudes.
7. modified according to claim 1 bottom power cable, is characterized in that, described metal screen layer (6) is the combining structure body of one or more copper strips or copper wire and copper strips.
8. modified according to claim 1 bottom power cable, is characterized in that, described obturator (7) is non-absorbent material structure.
9. modified according to claim 1 bottom power cable, is characterized in that, the first described metal armouring layer (10) and the second metal armouring layer (12) by the different non-magnetic stainless steel steel wire of quantity side by side around formation.
10. modified according to claim 1 bottom power cable, is characterized in that, described the first restrictive coating (11) is thermoplastic elastic body structure with the second restrictive coating (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120103.0A CN105609177A (en) | 2016-03-03 | 2016-03-03 | Improved underwater power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120103.0A CN105609177A (en) | 2016-03-03 | 2016-03-03 | Improved underwater power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105609177A true CN105609177A (en) | 2016-05-25 |
Family
ID=55989046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610120103.0A Pending CN105609177A (en) | 2016-03-03 | 2016-03-03 | Improved underwater power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105609177A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297975A (en) * | 2016-08-14 | 2017-01-04 | 何嘉欣 | A kind of high electromagnetic pulse-resisting flexibility aluminium alloy cable and cable making method |
| CN113611450A (en) * | 2021-06-29 | 2021-11-05 | 中辰电缆股份有限公司 | Cable with load operation monitoring function, particles for arc temperature sensing color strips of cable, and co-extrusion method of arc temperature sensing color strips |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09320351A (en) * | 1996-05-24 | 1997-12-12 | Hitachi Cable Ltd | Compound submarine cable for water light ant power and its transporting method |
| CN202258525U (en) * | 2011-09-16 | 2012-05-30 | 安徽明星电缆有限公司 | Fireproof and waterproof flexible direct-current power transmission cable |
| CN202307273U (en) * | 2011-09-29 | 2012-07-04 | 宜昌联邦电缆有限公司 | Cross-linked polyethylene insulating single core submarine power cable used for ultra-high voltage AC power transmission |
| CN204117659U (en) * | 2014-09-10 | 2015-01-21 | 中天科技海缆有限公司 | A kind of environment-friendly type water resistant sets the medium-pressure power cable that blocks water |
| CN205406129U (en) * | 2016-03-03 | 2016-07-27 | 无锡市光环电缆有限公司 | Power cable is used at improved generation bottom |
-
2016
- 2016-03-03 CN CN201610120103.0A patent/CN105609177A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09320351A (en) * | 1996-05-24 | 1997-12-12 | Hitachi Cable Ltd | Compound submarine cable for water light ant power and its transporting method |
| CN202258525U (en) * | 2011-09-16 | 2012-05-30 | 安徽明星电缆有限公司 | Fireproof and waterproof flexible direct-current power transmission cable |
| CN202307273U (en) * | 2011-09-29 | 2012-07-04 | 宜昌联邦电缆有限公司 | Cross-linked polyethylene insulating single core submarine power cable used for ultra-high voltage AC power transmission |
| CN204117659U (en) * | 2014-09-10 | 2015-01-21 | 中天科技海缆有限公司 | A kind of environment-friendly type water resistant sets the medium-pressure power cable that blocks water |
| CN205406129U (en) * | 2016-03-03 | 2016-07-27 | 无锡市光环电缆有限公司 | Power cable is used at improved generation bottom |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297975A (en) * | 2016-08-14 | 2017-01-04 | 何嘉欣 | A kind of high electromagnetic pulse-resisting flexibility aluminium alloy cable and cable making method |
| CN113611450A (en) * | 2021-06-29 | 2021-11-05 | 中辰电缆股份有限公司 | Cable with load operation monitoring function, particles for arc temperature sensing color strips of cable, and co-extrusion method of arc temperature sensing color strips |
| CN113611450B (en) * | 2021-06-29 | 2022-12-02 | 中辰电缆股份有限公司 | Cable with load operation monitoring function, particles for arc temperature sensing color bar of cable, and co-extrusion method of arc temperature sensing color bar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104103352A (en) | Environment-friendly sea-worm-proof double-steel-wire armored optical fiber composite submarine cable | |
| CN105161207A (en) | Composite combined armored composite rosslinked polyethylene insulation steel band and steel wire fiber submarine cable | |
| CN102280195A (en) | High voltage and supervoltage cross-linked polyethylene insulating submarine power cable with single core | |
| CN202307273U (en) | Cross-linked polyethylene insulating single core submarine power cable used for ultra-high voltage AC power transmission | |
| CN202495273U (en) | Variable frequency cable for offshore oil platform | |
| CN205920818U (en) | Fixed communication cable that buries with laying | |
| CN104376904B (en) | Submarine high voltage cable and manufacturing method thereof | |
| CN203013319U (en) | Butyronitrile composite sheath flat cable | |
| CN107274985B (en) | Z-shaped copper wire armored photoelectric composite submarine cable | |
| CN207381132U (en) | Seabed fiber composite cable | |
| CN202394580U (en) | Split-phase lead-coated submarine cable | |
| CN105609177A (en) | Improved underwater power cable | |
| CN202855422U (en) | Full-water-blocking submarine power cable | |
| CN205406129U (en) | Power cable is used at improved generation bottom | |
| CN103903813B (en) | Communication cable special for sea | |
| CN202084340U (en) | High-voltage and extra-high voltage crosslinked polyethylene insulation single core sea floor power cable | |
| CN213277505U (en) | Double-layer armored three-core ocean cable | |
| CN203773979U (en) | High-voltage photoelectric composite submarine crosslinked cable | |
| CN207250175U (en) | A kind of Z-type copper wire armored photoelectric composite submarine cable | |
| CN203826121U (en) | Special maritime communication cable | |
| CN203760132U (en) | Crosslinked polyethylene insulated cable | |
| CN205789282U (en) | A kind of crosslinked polyetylene insulated Optical Fiber Composite three core sea electric power cable | |
| CN203839116U (en) | Three-core medium-voltage cable having water resistance and water tree resistance | |
| CN217061517U (en) | Insulating underwater cable | |
| CN202120657U (en) | Underwater cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160525 |