CN203118604U - Lightning-arresting cable for fan blade - Google Patents
Lightning-arresting cable for fan blade Download PDFInfo
- Publication number
- CN203118604U CN203118604U CN 201320084392 CN201320084392U CN203118604U CN 203118604 U CN203118604 U CN 203118604U CN 201320084392 CN201320084392 CN 201320084392 CN 201320084392 U CN201320084392 U CN 201320084392U CN 203118604 U CN203118604 U CN 203118604U
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- CN
- China
- Prior art keywords
- cable
- lightning
- fan blade
- cable core
- insulating layer
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a lightning-arresting cable for a fan blade, which belongs to the technical field of cables. The lightning-arresting cable for the fan blade is characterized in that a tin-plated copper conductor is wrapped with a synthetic mica-tape and a fireproof layer to form a cable core. A polyimide insulating layer is extruded on the cable core. The insulating layer is coated with an aviation adhesive coating layer. The two sides of the cable core are symmetrically provided with fiber filaments. The polyimide insulating layer is extruded onto both the fiber filaments and the cable core respectively. The fiber filaments are connected with the polyimide insulating layer on the cable core. The insulating layer is coated with the aviation adhesive coating layer. The fiber filaments and the cable core are connected together through a bearing ridge made of the material of the polyimide insulating layer. According to the technical scheme of the utility model, the lightning-arresting cable is designed as a self-supporting type cable and can be recycled. During installation and replacement, the adhesive on the outside of the cable is softened through the heating of light air. Therefore, the lightning-arresting cable for the fan blade is simple and reasonable in structure and easy in production. Meanwhile, the bonding property of the cable with the fan blade can be ensured, while the installation and the maintenance of the cable are convenient in operation.
Description
Technical field
The utility model relates to a kind of structure of cable, and especially a kind of fan blade connects the structure of lightning cable, belongs to the cable technology field.
Background technology
Wind energy is the renewable clear energy sources that current techniques is the most ripe, possess the scale development condition most.Because the fast development of modern science and technology, the single-machine capacity of wind turbine generator is increasing, in order to absorb more multipotency, hub height and impeller diameter are along with increasing, the relative risk of being struck by lightning that also increased, be struck by lightning into a kind of disaster of occurring in nature to wind turbine generator safe operation harm maximum, the harm that thunderbolt causes the wind-powered electricity generation unit mainly contains forms such as direct lightning strike, induction thunder, lightning wave intrusion, earth potential counterattack.The huge energy that thunder and lightning discharges can cause that wind generator set blade damages, generator insulating punctures, the control components and parts burn etc.Arrange from high to low by thunderbolt breaking-up rate at the wind turbine generator critical piece and to be: electric-control system (40%～50%), blade (15～25%), generator (5%), the descending arrangement of maintenance cost that causes by thunderbolt is successively: blade, generator, electric-control system, communication system.So it is the imperative trend of wind power generation industry that the exploitation fan blade connects the lightning cable.
The utility model content
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, and a kind of arrester that can connect in the fan blade is provided, and is connected ground connection with the blower fan flange, guarantees that the anti-lightning strike fan blade of fan blade connects the lightning cable.
The purpose of this utility model is achieved through the following technical solutions: fan blade connects the lightning cable, it is characterized in that, be provided with the cable core that wrapped synthetic mica tape flame retardant coating constitutes on the tin-coated copper conductor, extrude polyimide insulative layer at cable core, be coated with aviation adhesive coat on the insulating barrier.
The both sides of described cable core are provided with the filament of symmetry, all are extruded with polyimide insulative layer on filament and the cable core, and filament is connected with polyimide insulative layer on the cable core, is coated with aviation adhesive coat on the insulating barrier.
The load-bearing ridge that constitutes by the polyimide insulative layer material between described filament and the cable core is connected.
Described tin-coated copper conductor is the stranded type tin-coated copper of soft junction structure conductor.
The utility model adopts tin-coated copper conductor and wrapped synthetic mica band, and this structure can increase the high temperature resistant and fire resistance of product.Adopt all good polyimides (PI) insulation of high and low temperature resistance, it is high temperature resistant to reach more than 400 ℃, long-term serviceability temperature scope-200～300 ℃, no sharp melting point, high insulating property, 103 hertz of following dielectric constants 4.0, dielectric loss only 0.004～0.007, can prevent that surge causes cable to heat up rapidly under the thunderbolt situation, make cable still can continue operation.Polyimide material has high radiation-resistant property, the advantages such as rate is low, discharge quantity is few, nontoxic of putting out certainly, be fuming, and is suitable for very much the theory of wind energy environmental protection.Cable core is connected the common outer insulating barrier of extruding in back by the load-bearing ridge with filament, the design of employing self-supporting cable solves and connects the problem that the lightning cable adopts and fan blade is integrated poured and can not change at present, only need be when cast, increase cable trough and get final product, during installation self-supporting cable is put into.Outside polyimides, apply epoxy aviation adhesive, and oven dry.The utility model can recycle, and only need adopt the outer adhesive of light air thermoplastic cable when installing and changing, and is simple and reasonable, generates easy to manufacturely, both can guarantee gluing of cable and blade, can guarantee the convenience of installation and maintenance again.
Description of drawings
Fig. 1 is structural representation of the present utility model among the embodiment one;
Fig. 2 is structural representation of the present utility model among the embodiment two;
Fig. 3 is the structural representation that the utility model and fan blade are installed among the embodiment two;
Fig. 4 is the profile of Fig. 3;
Among the figure: 1 conductor, 2 flame retardant coatings, 3 insulating barriers, 4 coats, 5 load-bearing ridges, 6 filaments, 7 fan blades, 8 arresters, 9 fan blades connect the lightning cable.
Embodiment
Embodiment one
Fan blade connects the lightning cable, and cable core is made of wrapped synthetic mica band flame retardant coating 2 on the stranded type tin-coated copper of the soft junction structure conductor 1.Extrude polyimide insulative layer 3 on the cable core, be coated with aviation adhesive coat 4 on the insulating barrier.
Embodiment two
Fan blade connects the lightning cable, and cable core is made of wrapped synthetic mica band flame retardant coating 2 on the stranded type tin-coated copper of the soft junction structure conductor 1.
Extrude polyimide insulative layer 3 on the cable core, be coated with aviation adhesive coat 4 on the insulating barrier.The both sides of cable core are provided with the filament 6 of symmetry, all are extruded with polyimide insulative layer on filament and the cable core, and filament is connected with polyimide insulative layer on the cable core, is coated with aviation adhesive coat on the insulating barrier.
The load-bearing ridge 5 that constitutes by the polyimide insulative layer material between filament and the cable core is connected, constitute the self-supporting cable structure, solved and connect the problem that the lightning cable adopts and fan blade is integrated poured and can not change at present, only need be when cast, increase cable trough and get final product, during installation self-supporting cable is put into.Only need adopt the outer adhesive of light air thermoplastic cable when installing and changing, both can guarantee the sticking of cable and blade, can guarantee the convenience of installation and maintenance again.
Claims (4)
1. a fan blade connects the lightning cable, it is characterized in that, is provided with the cable core that wrapped synthetic mica tape flame retardant coating constitutes on the tin-coated copper conductor, extrudes polyimide insulative layer at cable core, is coated with aviation adhesive coat on the insulating barrier.
2. fan blade according to claim 1 connects the lightning cable, it is characterized in that, the both sides of described cable core are provided with the filament of symmetry, all be extruded with polyimide insulative layer on filament and the cable core, filament is connected with polyimide insulative layer on the cable core, is coated with aviation adhesive coat on the insulating barrier.
3. fan blade according to claim 2 connects the lightning cable, it is characterized in that, the load-bearing ridge that constitutes by the polyimide insulative layer material between described filament and the cable core is connected.
4. fan blade according to claim 1 connects the lightning cable, it is characterized in that, described tin-coated copper conductor is the stranded type tin-coated copper of soft junction structure conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084392 CN203118604U (en) | 2013-02-25 | 2013-02-25 | Lightning-arresting cable for fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084392 CN203118604U (en) | 2013-02-25 | 2013-02-25 | Lightning-arresting cable for fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203118604U true CN203118604U (en) | 2013-08-07 |
Family
ID=48898927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320084392 Expired - Fee Related CN203118604U (en) | 2013-02-25 | 2013-02-25 | Lightning-arresting cable for fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203118604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635115A (en) * | 2020-12-08 | 2021-04-09 | 安徽华津电缆集团有限公司 | Offshore floating wind power generation cable |
-
2013
- 2013-02-25 CN CN 201320084392 patent/CN203118604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635115A (en) * | 2020-12-08 | 2021-04-09 | 安徽华津电缆集团有限公司 | Offshore floating wind power generation cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20210225 |