CN203397721U - High current-carrying warp-resistance weather-proof type middling pressure flexible cable for aerogenerator - Google Patents
High current-carrying warp-resistance weather-proof type middling pressure flexible cable for aerogenerator Download PDFInfo
- Publication number
- CN203397721U CN203397721U CN201320514939.0U CN201320514939U CN203397721U CN 203397721 U CN203397721 U CN 203397721U CN 201320514939 U CN201320514939 U CN 201320514939U CN 203397721 U CN203397721 U CN 203397721U
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- CN
- China
- Prior art keywords
- flexible cable
- high current
- layer
- driven generator
- warp resistance
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- 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.)
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- 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
Abstract
The utility model discloses a high current-carrying warp-resistance weather-proof type middling pressure flexible cable for an aerogenerator, comprising a conductor; the conductor is successively covered by a composite semiconductor shielding layer, a heatproof insulating layer, a composite insulating shielding layer, a metal and fiber mixing woven shielding layer, a flame retardant layer, a flame retardation separating layer, a watertight layer and an oversheath from inside to outside. The middling pressure flexible cable of the utility model has the characteristics of high flame retardation performance, good warp resistance performance and excellent electrical performance and physical and mechanical properties.
Description
Technical field
The utility model relates to a kind of cable, particularly relates in a kind of high current-carrying warp resistance weather resistant wind-driven generator and presses flexible cable.
Background technology
Along with between marine, tide, the wind power generation group in high height above sea level region develops to large MW class wind turbine group, require the cable of wind-driven generator have lightweight, external diameter is little, high current-carrying, soft warp resistance, marine climate resistant, high-low temperature resistant, salt spray resistance, humidity, oil resistant, corrosion-resistant and good fire-retardant fireproof performance.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides in a kind of high current-carrying warp resistance weather resistant wind-driven generator with high flame resistance, good warp resistance performance, good electric property and physical and mechanical properties and presses flexible cable.
The technical solution adopted in the utility model is: comprise conductor, the outside of conductor is surrounded by composite semiconductor screen, heat-resistant insulating layer, compound inslation screen, metal and filament mixed weaving screen and external sheath layer from inside to outside successively.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, also comprise fireprotection layer, fireprotection layer is between metal and filament mixed weaving screen and external sheath layer.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, also comprise fire-retardant separator, described fire-retardant separator is between fireprotection layer and external sheath layer.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, also comprise water blocking layer, described water blocking layer is between fire-retardant separator and external sheath layer.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described conductor is by multiply annealed copper silk stranded forming in the same way.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described composite semiconductor screen comprises wrapped shield semiconductors belt and extrudes heat-resistant semiconductor shielding polyolefin layer.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described heat-resistant insulating layer is that heat resistant rubber extrudes and forms.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described compound inslation screen comprises that extruding heat-resistant semiconductor shields polyolefin layer and wrapped shield semiconductors belt.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described fireprotection layer forms by ceramic silicon rubber strip is wrapped.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described fire-retardant separator forms by heat-resisting glass-fiber band is wrapped.
Compared with prior art, the beneficial effects of the utility model are:
1, conductor of the present utility model is multiply annealed copper silk stranded forming in the same way, and conductor structure is tight, and little, the surperficial rounding of external diameter, smooth is eliminated the partial discharge that conductive surface out-of-flatness forms, and conductor resistance rate reduces, and has improved the current-carrying of conductor.
2, the utility model conductor is multiply annealed copper silk stranded forming in the same way, has reduced single brass wire diameter, has increased copper wire radical; Stranded copper wire is stranded in the same way, and softness of the present utility model, tensile strength performance and resistance to crooked torsional property are improved.
3, composite semiconductor screen of the present utility model comprises wrapped shield semiconductors belt and extrudes heat-resistant semiconductor shielding polyolefin layer, soft warp resistance, strengthened slipping property between conductor and wrapped shield semiconductors belt, the uniform electric field distribution of composite semiconductor screen and conductor and insulating surface generation corona produce, and guarantee the stable of the high current-carrying of the utility model.
4, three layers of composite semiconductor polyene screens of the present utility model, heat-resistant insulating layer, compound inslation screen are with once extruding, by continuous vulcanization, be cross-linked as high temperature resistant thermosetting type India rubber, long-term work temperature is-60～150 ℃, and during the high current-carrying operation of conductor, hot property is stable.
5, compound inslation screen of the present utility model comprises that extruding heat-resistant semiconductor shields polyolefin layer and wrapped shield semiconductors belt, and soft warp resistance, has strengthened slipping property between heat-resistant insulating layer and metal and filament mixed weaving screen.
6, the utility model is provided with compound inslation screen and metal and filament mixed weaving screen, can prevent from, between insulation and conductor and in the space between insulation and metal screen layer, partial discharge, uniform electric field distribution and stranded conductor and insulating surface generation corona occur, guarantee the stable of the high current-carrying of cable.
7, the utility model is provided with metal and filament mixed weaving screen, the utility model is when low temperature reverses along anti-1440 degree repeatedly, the revolution of conductor copper cash, can effectively discharge torque, strengthens slipping property and warp resistance performance between conductor copper cash and metal and filament mixed weaving screen.
8, the utility model is provided with fireprotection layer, fire-retardant separator, can postpone flame to burning of the present utility model during breaking out of fire, ensures and normally carries in short-term electric current.
9, the utility model is provided with water blocking layer, can prevent ocean climate, salt fog, the moist corrosion to conductor, ensures electrical insulation electrical property, has extended useful life of the present utility model.
10, described external sheath layer of the present utility model is extruded and is formed by heat-resistant halogen-free flame-retardant rubber, can long-term work at-60～+ 150 ℃, Halogen, fire-retardant, wear-resisting, tear resistance and marine climate resistant, high-low temperature resistant, oil resistant, salt spray resistance, decay resistance.
11, the utility model adopts insulating material, the shielding material that long-term nominal operation is-60～150 ℃, sheath material, when the long-term nominal operation temperature of conductor improves 30 ℃, conductor ampacity improves more than 30%, cable is under the prerequisite of same current-carrying, and cross-sectional area of conductor suitably reduces, and construction of cable size is corresponding to be reduced, the outside diameter of cable, weight reduce, the development of applicable Oversea wind cable and offshore oil platform, the high current-carrying of ocean engineering cable lightweight.
12, the utility model, containing halogen, low cigarette, fire-retardant, fire prevention, waterproof, anticorrosion, environmental protection, can not form secondary pollution during breaking out of fire; Be applicable to oil platform, marine engineering equipment stand ocean climate, strong ultraviolet radiation, seawater, salt fog, high low temperature, etc. adverse circumstances, and the middle pressure flexible cable that requires of the specified conditions such as installations and facilities high temperature, oil, chemical substance.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model comprises conductor 1, and the outside of conductor 1 is surrounded by composite semiconductor screen 2, heat-resistant insulating layer 3, compound inslation screen 4, metal and filament mixed weaving screen 5, fireprotection layer 6, fire-retardant separator 7, water blocking layer 8 and external sheath layer 9 from inside to outside successively.
Described conductor 1, by multiply annealed copper silk stranded forming in the same way, makes conductor 1 close structure, and little, the surperficial rounding of external diameter, smooth is eliminated the partial discharge that conductive surface out-of-flatness forms, and conductor 1 resistivity decreased has improved the current-carrying of conductor 1; During making, reduce single brass wire diameter, increased copper wire radical; Stranded copper wire is stranded in the same way, and softness of the present utility model, tensile strength performance and resistance to crooked torsional property are improved.Described composite semiconductor screen 2 comprises wrapped shield semiconductors belt and extrudes heat-resistant semiconductor shielding polyolefin layer, soft warp resistance, strengthened the slipping property between conductor 1 and wrapped shield semiconductors belt, composite semiconductor screen 2 uniform electric fields distribute and conductor 1, with heat-resistant insulating layer 3 surfaces, corona generation occurs, and guarantee the stable of the high current-carrying of the utility model.
Described heat-resistant insulating layer 3 forms for heat resistant rubber extrudes.Described compound inslation screen 4 comprises that extruding heat-resistant semiconductor shields polyolefin layer and wrapped shield semiconductors belt.Described fireprotection layer 6 forms by ceramic silicon rubber strip is wrapped; Described fire-retardant separator 7 forms by heat-resisting glass-fiber band is wrapped, and fireprotection layer 6, fire-retardant separator 7 can postpone flame to burning of the present utility model while making breaking out of fire, ensures and normally carries in short-term electric current.Described water blocking layer 8 forms by expansion water strip is wrapped, can prevent ocean climate, salt fog, the moist corrosion to electric current, ensures electrical insulation electrical property, has extended useful life of the present utility model.Described external sheath layer 9 is extruded and is formed by heat-resistant halogen-free flame-retardant rubber, can long-term work at-60～+ 150 ℃, Halogen, fire-retardant, wear-resisting, tear resistance and marine climate resistant, high-low temperature resistant, oil resistant, salt spray resistance, decay resistance.
Claims (10)
1. in one kind high current-carrying warp resistance weather resistant wind-driven generator, press flexible cable, it is characterized in that: comprise conductor, the outside of conductor is surrounded by composite semiconductor screen, heat-resistant insulating layer, compound inslation screen, metal and filament mixed weaving screen and external sheath layer from inside to outside successively.
2. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 1, press flexible cable, it is characterized in that: also comprise fireprotection layer, fireprotection layer is between metal and filament mixed weaving screen and external sheath layer.
3. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 2, press flexible cable, it is characterized in that: also comprise fire-retardant separator, described fire-retardant separator is between fireprotection layer and external sheath layer.
4. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 3, press flexible cable, it is characterized in that: also comprise water blocking layer, described water blocking layer is between fire-retardant separator and external sheath layer.
5. in the high current-carrying warp resistance weather resistant wind-driven generator as described in claim 1,2,3 or 4, press flexible cable, it is characterized in that: described conductor is by multiply annealed copper silk stranded forming in the same way.
6. in the high current-carrying warp resistance weather resistant wind-driven generator as described in claim 1,2,3 or 4, press flexible cable, it is characterized in that: described composite semiconductor screen comprises wrapped shield semiconductors belt and extrudes heat-resistant semiconductor shielding polyolefin layer.
7. in the high current-carrying warp resistance weather resistant wind-driven generator as described in claim 1,2,3 or 4, press flexible cable, it is characterized in that: described heat-resistant insulating layer is that heat resistant rubber extrudes and forms.
8. in the high current-carrying warp resistance weather resistant wind-driven generator as described in claim 1,2,3 or 4, press flexible cable, it is characterized in that: described compound inslation screen comprises that extruding heat-resistant semiconductor shields polyolefin layer and wrapped shield semiconductors belt.
9. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 2, press flexible cable, it is characterized in that: described fireprotection layer forms by ceramic silicon rubber strip is wrapped.
10. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 3, press flexible cable, it is characterized in that: described fire-retardant separator forms by heat-resisting glass-fiber band is wrapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514939.0U CN203397721U (en) | 2013-08-22 | 2013-08-22 | High current-carrying warp-resistance weather-proof type middling pressure flexible cable for aerogenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514939.0U CN203397721U (en) | 2013-08-22 | 2013-08-22 | High current-carrying warp-resistance weather-proof type middling pressure flexible cable for aerogenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203397721U true CN203397721U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320514939.0U Expired - Lifetime CN203397721U (en) | 2013-08-22 | 2013-08-22 | High current-carrying warp-resistance weather-proof type middling pressure flexible cable for aerogenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203397721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400642A (en) * | 2013-08-22 | 2013-11-20 | 湖南华菱线缆股份有限公司 | Medium-voltage flexible cable for high-current-carrying, distortion-resistant and weather-proof type wind turbine generator |
| CN105280279A (en) * | 2015-11-11 | 2016-01-27 | 国家电网公司 | Flexible DC land cable double layer sheath |
-
2013
- 2013-08-22 CN CN201320514939.0U patent/CN203397721U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400642A (en) * | 2013-08-22 | 2013-11-20 | 湖南华菱线缆股份有限公司 | Medium-voltage flexible cable for high-current-carrying, distortion-resistant and weather-proof type wind turbine generator |
| CN105280279A (en) * | 2015-11-11 | 2016-01-27 | 国家电网公司 | Flexible DC land cable double layer sheath |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
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| CX01 | Expiry of patent term |