CN107331464B - Flexible power cable with protection frame - Google Patents
Flexible power cable with protection frame Download PDFInfo
- Publication number
- CN107331464B CN107331464B CN201710666292.6A CN201710666292A CN107331464B CN 107331464 B CN107331464 B CN 107331464B CN 201710666292 A CN201710666292 A CN 201710666292A CN 107331464 B CN107331464 B CN 107331464B
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- CN
- China
- Prior art keywords
- layer
- protection
- oval
- rectangular
- protection frame
- Prior art date
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Classifications
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- 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
- H01B7/1895—Internal space filling-up means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
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- 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
- H01B7/02—Disposition of insulation
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
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- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing 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
- H01B7/1875—Multi-layer sheaths
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- 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
- H01B7/20—Metal tubes, e.g. lead sheaths
- H01B7/202—Longitudinal lapped metal tubes
-
- 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
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
Abstract
The invention discloses a flexible power cable with a protection frame, which comprises a silicon rubber framework with a cross-shaped cross section, wherein two rectangular protection frames and an oval protection frame which are arranged in parallel and are different in size are arranged in four cavities of the cross-shaped silicon rubber framework, the oval protection frame is positioned in the middle of the two rectangular protection frames, the bottom surfaces of the rectangular protection frame and the oval protection frame are connected with the cross-shaped silicon rubber framework into a whole, wire cores I with different numbers are respectively arranged in each rectangular protection frame, wire cores II are arranged in the oval protection frames, and the outer walls of the wire cores I and the wire cores II are respectively tightly attached to the inner walls of the rectangular protection frames and the oval protection frames. The rectangular protection frame and the oval protection frame are matched for use, so that the cable core is protected, the buffering and compression-resisting effects are better, the service life of the cable core is greatly prolonged, the structure is simple, the weight is light, the softness is high, the service life is longer, and the cable core is corrosion-resistant.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a flexible power cable with a protection frame.
Background
The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission lines under sea water passing through the river.
In the electric power line, the proportion of the cable is gradually increasing. Power cables are cable products used in the main line of power systems to transmit and distribute high power electrical energy, including various voltage classes of 1-500KV and above, and various insulated power cables. The basic structure of the power cable consists of four parts, namely a wire core, an insulating layer, a shielding layer and a protective layer. The conventional power cable has various defects such as weak tensile strength, easiness in breakage, poor water resistance and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a flexible power cable with a protection frame.
The invention is realized by the following technical scheme:
the utility model provides a flexible power cable with protection frame, is including the cross-section for cross silicon rubber skeleton, all is equipped with two unequal parallel arrangement's of size rectangle protection frame and an oval protection frame in four cavitys of cross silicon rubber skeleton, oval protection frame be located the centre of two rectangle protection frames, rectangle protection frame and oval protection frame's bottom surface all link as an organic wholely with cross silicon rubber skeleton, be equipped with sinle silk first that the quantity is unequal in every rectangle protection frame inside respectively, be equipped with sinle silk second in oval protection frame's inside, sinle silk first and sinle silk second's outer wall respectively with rectangle protection frame and oval protection frame's inner wall tightly laminating, sinle silk first be by conductor first and cladding in proper order in the ternary ethylene propylene rubber insulating layer and the compound insulation shielding layer of conductor outside constitute, sinle silk second be by conductor second and cladding in proper order in cross-linked ethylene tetrafluoroethylene copolymer insulating layer and aluminum alloy area interlocking armor constitute, cross silicon rubber skeleton, a plurality of sinle silk, a plurality of oval protection frames and a plurality of oval protection frame constitute sinle silk, have the flexible cable layer of wire, the flexible cable layer has the seam to fill between the flexible cable layer, the flexible cable layer of wire, the flexible cable layer is filled with the bellows in proper order, the bellows is filled with the bellows.
The composite insulating shielding layer sequentially comprises a semiconductive fluororubber inner shielding layer, a fluororubber insulating layer and a semiconductive fluororubber outer shielding layer from inside to outside.
The three outer protective layers are a silver-plated nickel tape armor layer, a butyronitrile insulating layer and a nickel-plastic copper tape armor polyethylene sheath layer from inside to outside.
The number of the wire cores in the two rectangular protection frames with different sizes is four and one respectively.
The flexible steel wire rope comprises an organic fiber rope core, an inner layer steel wire rope and an outer layer steel wire rope are sequentially arranged outside the organic fiber rope core, and elastic fiber fillers are arranged between the inner layer steel wire rope and the outer layer steel wire rope.
Two rectangular protection frames and an oval protection frame are arranged in four cavities of the cross-shaped silicon rubber framework in different parallel, the oval protection frame is located in the middle of the two rectangular protection frames, the bottom surfaces of the rectangular protection frame and the oval protection frame are connected with the cross-shaped silicon rubber framework into a whole, first wire cores with different numbers are arranged in each rectangular protection frame respectively, second wire cores are arranged in the oval protection frames, the first wire cores are placed in the protection frames, the arrangement problem of the inner wire cores of the cable can be solved, the wire cores are prevented from sliding, the structure is enabled to be tidier and more compact, the effect of protecting the wire cores is achieved, the tensile and pressure-resistant performances of the wire cores are improved, and the rectangular protection frame and the oval protection frame are used in combination, so that the attractive appearance of the structure is improved, and the buffering and pressure-resistant effects are better.
The composite insulation shielding layer sequentially comprises a semiconductive fluororubber inner shielding layer, a fluororubber insulation layer and a semiconductive fluororubber outer shielding layer from inside to outside, wherein the semiconductive fluororubber inner shielding layer and the semiconductive fluororubber outer shielding layer are made of wrapping type or extrusion type fluororubber materials, the fluororubber insulation layer is made of wrapping type or extrusion type fluororubber materials, the soft characteristic and the high temperature resistance of the cable are guaranteed, and noise signals generated by the cable are minimized.
The three outer protective layers are a silver-plated nickel tape armor layer, a butyronitrile insulating layer and a nickel plastic copper tape armor polyethylene sheath layer from inside to outside in sequence, so that the wear-resisting effect is better, and the service life is longer.
The seamless lead alloy sheath can be used as a grounding conductor for transmitting partial short-circuit current, and can also be used as a waterproof protective layer to ensure that the cable core conductor is prevented from being affected by moisture and water, and the coated asphalt can improve the seawater corrosion resistance.
The polyethylene elastic fiber and the high-temperature-resistant glass fiber are mixed to form a filling layer, and meanwhile, the filling layer has the effects of buffering and high temperature resistance.
The carbon corrugated pipe is made of high-density polyethylene raw material and carbon particles and other additives through vacuum plastic-absorbing forming process. The cable has the advantages of light weight, small bending radius, high external pressure resistance, small insulation resistance, corrosion resistance, no leakage, mouse bite resistance, good weather resistance, high yield, flexibility when meeting obstacles, and the like. The carbon corrugated pipe is shaped in a special thread shape, so that the compression resistance and the impact resistance of the carbon corrugated pipe are greatly superior to the technical standard of GB/T13381.9. The light weight, high strength, high temperature resistance, corrosion resistance, random length, free bending and convenient maintenance, and the traction steel wires are laid in the pipe, so that the construction is quick. The cable has the advantages of compression resistance, buffering, corrosion resistance and prolonged service life when being applied to the inside of the cable.
The flexible steel wire rope core is an organic fiber rope core, and elastic fiber materials are filled between the inner layer and the outer layer of the steel wire rope, so that the steel wire rope has better flexibility, and the problems of low softness and poor bending property of the existing steel wire rope are effectively solved.
The invention has the advantages that: the rectangular protection frame and the oval protection frame are matched for use, so that the cable core is protected, the buffering and compression-resisting effects are better, the service life of the cable core is greatly prolonged, the structure is simple, the weight is light, the softness is high, the service life is longer, and the cable core is corrosion-resistant.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
As shown in fig. 1, a flexible power cable with protection frame, including cross-section for cross-shaped silicone rubber skeleton 1, all be equipped with two unequal parallel arrangement's rectangle protection frame 2 and an oval protection frame 3 in four cavitys of cross-shaped silicone rubber skeleton 1, oval protection frame 3 be located the centre of two rectangle protection frame 2, rectangle protection frame 2 and oval protection frame 3's bottom surface all link as an organic wholely with cross-shaped silicone rubber skeleton 1, be equipped with sinle silk I that the quantity is unequal in every rectangle protection frame 2 inside respectively, be equipped with sinle silk II in oval protection frame 3's inside, sinle silk I and sinle silk II's outer wall respectively with rectangle protection frame 2 and oval protection frame 3's inner wall tightly laminating, sinle silk I be by conductor one 4 and the ternary ethylene propylene rubber insulating layer 5 and the compound insulating barrier layer 6 of cladding in proper order in the conductor one 4 outside, sinle silk II be by conductor two 7 and the cladding in proper order cross-linked ethylene tetrafluoroethylene copolymer insulating layer 8 and aluminum alloy strip 9 constitute, cross-shaped silicone rubber skeleton 2, a plurality of sinle silk 1, a plurality of sinle silk layers and a plurality of sinle silk layers are equipped with the flexible cable layer, and the flexible cable 10, the three-layer is equipped with the flexible cable wire rope of a plurality of protection layers of protection frame, and the three-layer glass protection cable 10 are formed between the flexible cable 10, the flexible cable is filled with the three-layer of layer, and the three-layer is filled with the flexible cable layer 10, and is filled with the flexible cable.
The composite insulating shielding layer 6 is composed of a semiconductive fluororubber inner shielding layer, a fluororubber insulating layer and a semiconductive fluororubber outer shielding layer from inside to outside in sequence.
The three outer protective layers 13 are sequentially a silver-plated nickel tape armor layer, a butyronitrile insulating layer and a nickel-plastic copper tape armored polyethylene sheath layer from inside to outside.
The number of the wire cores in the two rectangular protection frames 2 with different sizes is four and one respectively.
The flexible steel wire rope winding layer 11 comprises an organic fiber rope core, an inner layer steel wire rope and an outer layer steel wire rope are sequentially arranged outside the organic fiber rope core, and elastic fiber fillers are arranged between the inner layer steel wire rope and the outer layer steel wire rope.
Claims (3)
1. A flexible power cable with a protective frame, characterized by: the cable comprises a cross-shaped silicon rubber skeleton, wherein two rectangular protection frames and an oval protection frame are arranged in four cavities of the cross-shaped silicon rubber skeleton, the rectangular protection frames and the oval protection frames are arranged in parallel, the oval protection frames are positioned in the middle of the two rectangular protection frames, the bottoms of the rectangular protection frames and the oval protection frames are connected with the cross-shaped silicon rubber skeleton into a whole, a first wire core with different numbers is arranged in each rectangular protection frame, a second wire core is arranged in each rectangular protection frame, the outer walls of the first wire core and the second wire core are tightly attached to the inner walls of the rectangular protection frames and the oval protection frames respectively, the first wire core is formed by a conductor I, an ethylene propylene diene monomer rubber insulating layer and a composite insulation shielding layer which are sequentially coated on the outer side of the conductor I, the second wire core is formed by a cross-linked ethylene tetrafluoroethylene copolymer insulating layer and an aluminum alloy belt interlocking layer which are sequentially coated on the outer side of the conductor II, the cross-shaped silicon rubber skeleton, a plurality of rectangular protection frames, a plurality of oval protection frames and a plurality of wire cores form a cable core, a flexible wire rope layer, a wire winding layer, a corrugated glass fiber glass protection layer and a glass fiber protection layer are sequentially coated on the outer side of the cable core, and a high-temperature resistant carbon fiber protection layer are sequentially filled with a mixed layer, and a high-temperature resistant layer is filled between the rectangular protection layer and a glass protection layer;
the composite insulating shielding layer sequentially comprises a semiconductive fluororubber inner shielding layer, a fluororubber insulating layer and a semiconductive fluororubber outer shielding layer from inside to outside;
the three protective layers are a silver-plated nickel tape armor layer, a butyronitrile insulating layer and a nickel-plastic copper tape armored polyethylene sheath layer from inside to outside.
2. A flexible power cable with a protective frame as in claim 1, wherein: the number of the wire cores in the two rectangular protection frames with different sizes is four and one respectively.
3. A flexible power cable with a protective frame as in claim 1, wherein: the flexible steel wire rope winding layer comprises an organic fiber rope core, an inner layer steel wire rope and an outer layer steel wire rope are sequentially arranged outside the organic fiber rope core, and elastic fiber fillers are arranged between the inner layer steel wire rope and the outer layer steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666292.6A CN107331464B (en) | 2017-08-07 | 2017-08-07 | Flexible power cable with protection frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710666292.6A CN107331464B (en) | 2017-08-07 | 2017-08-07 | Flexible power cable with protection frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107331464A CN107331464A (en) | 2017-11-07 |
| CN107331464B true CN107331464B (en) | 2023-09-22 |
Family
ID=60225599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710666292.6A Active CN107331464B (en) | 2017-08-07 | 2017-08-07 | Flexible power cable with protection frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107331464B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215866B (en) * | 2018-09-30 | 2024-01-30 | 河北华通线缆集团股份有限公司 | Sectional olive-shaped lead bar counter weight port machine hanging wire control cable and manufacturing method thereof |
Citations (9)
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|---|---|---|---|---|
| US2330381A (en) * | 1941-05-07 | 1943-09-28 | Int Standard Electric Corp | Electric communication cable |
| CN103077768A (en) * | 2013-02-21 | 2013-05-01 | 江苏永鼎电气有限公司 | Flexible high-temperature resistant low-noise cable |
| CN203134448U (en) * | 2012-12-13 | 2013-08-14 | 江苏远洋东泽电缆股份有限公司 | Submarine cable with increased current-carrying capacity |
| CN203644414U (en) * | 2013-11-28 | 2014-06-11 | 安徽徽宁电器仪表集团有限公司 | Power cable with cross-shaped rubber skeleton |
| CN103928103A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | Flexible control cable with cross-shaped rubber framework |
| CN203871033U (en) * | 2014-03-20 | 2014-10-08 | 安徽春辉仪表线缆集团有限公司 | Anticorrosion power cable |
| CN104616735A (en) * | 2015-01-30 | 2015-05-13 | 安徽德源电缆集团有限公司 | Conductor insulation shielding cable with flat shape |
| CN104894901A (en) * | 2015-05-29 | 2015-09-09 | 柳州普亚贸易有限公司 | Flexible steel wire rope |
| CN206991826U (en) * | 2017-08-07 | 2018-02-09 | 安徽徽宁电器仪表集团有限公司 | A kind of flexible power cable with protect-ing frame structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006025812A1 (en) * | 2004-07-16 | 2006-03-09 | Charles Glew | Hollow support separators for communications cable |
| GB2435124B (en) * | 2006-02-13 | 2008-01-02 | Brand Rex Ltd | Improvements in and Relating to Electrical Cables |
-
2017
- 2017-08-07 CN CN201710666292.6A patent/CN107331464B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2330381A (en) * | 1941-05-07 | 1943-09-28 | Int Standard Electric Corp | Electric communication cable |
| CN203134448U (en) * | 2012-12-13 | 2013-08-14 | 江苏远洋东泽电缆股份有限公司 | Submarine cable with increased current-carrying capacity |
| CN103077768A (en) * | 2013-02-21 | 2013-05-01 | 江苏永鼎电气有限公司 | Flexible high-temperature resistant low-noise cable |
| CN203644414U (en) * | 2013-11-28 | 2014-06-11 | 安徽徽宁电器仪表集团有限公司 | Power cable with cross-shaped rubber skeleton |
| CN203871033U (en) * | 2014-03-20 | 2014-10-08 | 安徽春辉仪表线缆集团有限公司 | Anticorrosion power cable |
| CN103928103A (en) * | 2014-04-26 | 2014-07-16 | 芜湖航天特种电缆厂 | Flexible control cable with cross-shaped rubber framework |
| CN104616735A (en) * | 2015-01-30 | 2015-05-13 | 安徽德源电缆集团有限公司 | Conductor insulation shielding cable with flat shape |
| CN104894901A (en) * | 2015-05-29 | 2015-09-09 | 柳州普亚贸易有限公司 | Flexible steel wire rope |
| CN206991826U (en) * | 2017-08-07 | 2018-02-09 | 安徽徽宁电器仪表集团有限公司 | A kind of flexible power cable with protect-ing frame structure |
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| CN107331464A (en) | 2017-11-07 |
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