CN103161683A - Lightning protection device of large glass fiber reinforced plastic wind driven generator cabin cover - Google Patents
Lightning protection device of large glass fiber reinforced plastic wind driven generator cabin cover Download PDFInfo
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- CN103161683A CN103161683A CN201110415715XA CN201110415715A CN103161683A CN 103161683 A CN103161683 A CN 103161683A CN 201110415715X A CN201110415715X A CN 201110415715XA CN 201110415715 A CN201110415715 A CN 201110415715A CN 103161683 A CN103161683 A CN 103161683A
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- China
- Prior art keywords
- engine room
- cabin cover
- cover shell
- large glass
- room cover
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to a lightning protection device of a large glass fiber reinforced plastic wind driven generator cabin cover. The lightning protection device of the large glass fiber reinforced plastic wind driven generator cabin cover comprises a cabin cover shell which comprises an upper layer and a lower layer. A metal electric conduction net is mounted between the upper layer and the lower layer in an embedded mode. The metal electric conduction net is connected with air terminations which are evenly mounted on the surface of the cabin cover shell in an embedded mode. The metal electric conduction net is connected with the ground. Through cooperation of the metal electric conduction net and the air terminations, the purpose of highly efficient lightning protection is realized. The metal electric conduction net and the air terminations wholly wrap the cabin cover shell, overall protection effects are good. Laying of the metal electric conduction net can be completed in the production process of the cabin cover shell, the production process is easy, production cost is low, the air terminations and the cabin cover shell are integrated and are not prone to dropping, the service life is long, and the air terminations can be widely used in cabin cover lightning protection of all kinds of wind driven generators.
Description
Technical field
The invention belongs to wind power plant manufacturing technology field, especially a kind of large glass steel cabin cover of wind power generator lightning arrester.
Background technique
Wind-power electricity generation is a kind of clean energy resource, and its wide material sources are inexhaustible.By wind-driven generator, wind energy is converted to electric energy, wind-driven generator is arranged in engine room cover, and the metal parts of this engine room cover protection wind-driven generator and other accessory is avoided the aging impacts of weather such as sleet, frost, illumination, weathering, thunderbolt.Very high and generally be in waste Yezhong due to the position of engine room cover, the harm of easy lightning strikes, at present, the normal lightning-arrest mode of using is: at the inner local distribution lightning conductor of engine room cover or at the outside lightning conductor of installing of engine room cover, the lightning-arrest effect of first kind of way is general, and can't protect engine room cover integral body; The lightning-arrest effect of the second way is better, but the position that lightning conductor is installed is higher, and when environment wind-force was larger, lightning conductor was very easy to come off, and caused the rising of maintenance cost, and the attendant when carrying out high-lift operation danger very large.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of large glass steel cabin cover of wind power generator lightning arrester rational in infrastructure, easy to use is provided.
The technological scheme that the present invention takes is:
A kind of large glass steel cabin cover of wind power generator lightning arrester, comprise the engine room cover shell, this engine room cover shell comprises the upper and lower, it is characterized in that: be embedded with the metal guide electrical network between described the upper and lower, this metal guide electrical network is communicated with the arrester of the uniform setting-in of engine room cover case surface, described metal guide electrical network ground connection.
And described arrester is inlaid on engine room cover shell with the contraposition of described metal guide electrical network criss-crossing node phase.
And described metal guide electrical network is that resistance is less than aluminum alloy net or the copper mesh of 0.05 Ω/m.
And described metal guide electrical network is inlaid in the upper end of engine room cover shell or four sides of engine room cover shell.
And described metal guide electrical network directly connects ground wire or thunder equipment is drawn in the special use of connection wind-driven generator.
And the grid area S of described metal guide electrical network is: 0.2 square metre≤S≤0.5 square metre.
And the engine room cover case surface of every 1～25 square metre is 1 arrester of setting-in at least.
And, described arrester is bolt, its mounting structure is: bolt is installed on the engine room cover shell, this bolt stretches into lower end in the engine room cover shell nut that is connected with a joggle, equal setting-in one sealing gasket between the nut bottom surface of described bolt and nut upper surface and engine room cover shell is coated with sealer at the nut of bolt and sealing gasket outside.
Advantage of the present invention and good effect are:
In the present invention; by the cooperation of metal guide electrical network and arrester, realized efficient lightning-arrest purpose, integral coating is at the engine room cover shell; Global Macros is effective; namely can complete the laying of metal guide electrical network in the manufacture process of engine room cover shell, technique is simple, and cost of production is low; arrester and engine room cover shell combine together; difficult drop-off, long service life can be used widely in the nacelle cover with lightning protection of the wind-driven generator of all size.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the connection diagram of arrester and engine room cover shell.
Embodiment
Below in conjunction with embodiment, the present invention is further described, and following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
A kind of large glass steel cabin cover of wind power generator lightning arrester, as shown in Fig. 1～3, comprise engine room cover shell 2, this engine room cover shell comprises upper strata 5 and lower floor 6, innovation of the present invention is: be embedded with metal guide electrical network 3 between described the upper and lower, this metal guide electrical network is communicated with the arrester 4 of the uniform setting-in of engine room cover case surface, metal guide electrical network ground connection.
Arrester is inlaid on engine room cover shell with the contraposition of described metal guide electrical network criss-crossing node phase, the metal guide electrical network is that resistance is less than aluminum alloy net or the copper mesh of 0.05 Ω/m, the metal guide electrical network is inlaid in the upper end of engine room cover shell or four sides of engine room cover shell, the metal guide electrical network directly connects ground wire or thunder equipment is drawn in the special use of connection wind-driven generator, the grid area S of metal guide electrical network is: 0.2 square metre≤S≤0.5 square metre, the engine room cover case surface of every 1～25 square metre is 1 arrester of setting-in at least.
In the present embodiment, the upper strata is by 900g/m
2The first compound carpet veneer, 900g/m
2The second compound carpet veneer and 900g/m
2The 3rd compound carpet veneer mutually stack formation, lower floor is by 1080g/m
2The first sandwich carpet veneer, 1500g/m
2The 4th compound carpet veneer, 1500g/m
2The 5th compound carpet veneer and 1080g/m
2The second sandwich carpet veneer mutually stack formation.Setting-in copper mesh between the upper and lower, the grid of copper mesh is the square net of 0.3 square metre, copper mesh is inlaid in the upper end of engine room cover shell, arrester is inlaid on engine room cover shell with the contraposition of copper mesh criss-crossing node phase, every an arrange arrester and evenly arranging of 5 square meters, copper mesh connects the special use of wind-driven generator and draws thunder equipment 1.
Arrester is the bolt of M6～M14, its mounting structure is as shown in Figure 3: bolt is installed in the upper strata 5 and lower floor 6 of engine room cover shell, be communicated with the criss-crossing node of copper mesh 3 in the middle part of this bolt, this bolt stretches into lower end in the engine room cover shell nut 7 that is connected with a joggle, equal setting-in one sealing gasket 8 between the nut bottom surface of bolt and nut upper surface and engine room cover shell is coated with sealer 9 at the nut of bolt and sealing gasket outside.
Manufacture method of the present invention is:
1. mould fully cleans, and applies releasing agent;
2. lay the second sandwich carpet veneer, the 5th compound carpet veneer, the 4th compound carpet veneer and the first sandwich carpet veneer from bottom to up successively make progress, at the upper surface of the first sandwich carpet veneer copper mesh of evenly arranging, and then the compound carpet veneer of lay the 3rd, second meets carpet veneer and the first compound carpet veneer;
3. in the upper surface lay of the first compound carpet veneer left and right with between the upper and lower apart from the honeycomb duct that is 1m, and covering vacuum bag film;
4. at mould outside lay exhaust pipe, bleed, make internal pressure in the mould that the vacuum bag film covers less than-0.096Mpa, inject the unsaturated polyester resin of the interpolation certain proportion methyl-ethyl ketone peroxide curing agent of capacity in the mould, every layer of braided fabric by the resin complete wetting after, solidifying is removed vacuum bag film and honeycomb duct, namely obtains the frp layer board finished product of copper mesh.
5. use the trepanning device of M8 to have at interlayer on the producing GFRP ply-board of copper mesh and hole, the criss-crossing point of the location optimization copper mesh of boring has bolton on the producing GFRP ply-board of copper mesh with the nut of M8 at interlayer, and the centre seals with the gasket seal of M8.Can smear sealer around the bolt according to demand and seal, namely obtain the surface and be placed with the frp layer board finished product that arrester and interlayer have copper mesh.
By above-mentioned manufacturing process as can be known, vacuum assisted resin imports the major parameter of forming method, need not to adjust as the laying of the thickness of vacuum bag film and model, honeycomb duct, vacuum pressure etc.Also can adopt the hand pasting forming method, first with lower floor's hand pasting forming, the copper mesh of then arranging, then the layering hand is pasted the fiberglass braided thing of layer over.As seen the introducing of copper mesh does not impact processing technology, can adopt conventional production method to produce.
In the present invention; by the cooperation of metal guide electrical network and arrester, realized efficient lightning-arrest purpose, integral coating is at the engine room cover shell; Global Macros is effective; namely can complete the laying of metal guide electrical network in the manufacture process of engine room cover shell, technique is simple, and cost of production is low; arrester and engine room cover shell combine together; difficult drop-off, long service life can be used widely in the nacelle cover with lightning protection of the wind-driven generator of all size.
Claims (8)
1. large glass steel cabin cover of wind power generator lightning arrester, comprise the engine room cover shell, this engine room cover shell comprises the upper and lower, it is characterized in that: be embedded with the metal guide electrical network between described the upper and lower, this metal guide electrical network is communicated with the arrester of the uniform setting-in of engine room cover case surface, described metal guide electrical network ground connection.
2. large glass steel cabin cover of wind power generator lightning arrester according to claim 1 is characterized in that: described arrester is inlaid on engine room cover shell with the contraposition of described metal guide electrical network criss-crossing node phase.
3. large glass steel cabin cover of wind power generator lightning arrester according to claim 1, it is characterized in that: described metal guide electrical network is that resistance is less than aluminum alloy net or the copper mesh of 0.05 Ω/m.
4. large glass steel cabin cover of wind power generator lightning arrester according to claim 1, it is characterized in that: described metal guide electrical network is inlaid in the upper end of engine room cover shell or four sides of engine room cover shell.
5. large glass steel cabin cover of wind power generator lightning arrester according to claim 1 is characterized in that: described metal guide electrical network directly connects ground wire or connects the wind-driven generator special use and draws thunder equipment.
6. large glass steel cabin cover of wind power generator lightning arrester according to claim 1, it is characterized in that: the grid area S of described metal guide electrical network is: 0.2 square metre≤S≤0.5 square metre.
7. large glass steel cabin cover of wind power generator lightning arrester according to claim 1, it is characterized in that: the engine room cover case surface of every 1～25 square metre is 1 arrester of setting-in at least.
8. according to claim 1～7 described large glass steel of any one cabin cover of wind power generator lightning arresters, it is characterized in that: described arrester is bolt, its mounting structure is: bolt is installed on the engine room cover shell, this bolt stretches into lower end in the engine room cover shell nut that is connected with a joggle, equal setting-in one sealing gasket between the nut bottom surface of described bolt and nut upper surface and engine room cover shell is coated with sealer at the nut of bolt and sealing gasket outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110415715XA CN103161683A (en) | 2011-12-13 | 2011-12-13 | Lightning protection device of large glass fiber reinforced plastic wind driven generator cabin cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110415715XA CN103161683A (en) | 2011-12-13 | 2011-12-13 | Lightning protection device of large glass fiber reinforced plastic wind driven generator cabin cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103161683A true CN103161683A (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110415715XA Pending CN103161683A (en) | 2011-12-13 | 2011-12-13 | Lightning protection device of large glass fiber reinforced plastic wind driven generator cabin cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103161683A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926434A (en) * | 2014-03-28 | 2014-07-16 | 国家电网公司 | Shielding cover for lightning arrester test |
| CN106762463A (en) * | 2016-12-29 | 2017-05-31 | 北京金风科创风电设备有限公司 | Air guide sleeve and wind generating set comprising same |
| CN117554278A (en) * | 2024-01-12 | 2024-02-13 | 江苏常友环保科技股份有限公司 | Cabin cover weather resistance testing arrangement |
-
2011
- 2011-12-13 CN CN201110415715XA patent/CN103161683A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926434A (en) * | 2014-03-28 | 2014-07-16 | 国家电网公司 | Shielding cover for lightning arrester test |
| CN106762463A (en) * | 2016-12-29 | 2017-05-31 | 北京金风科创风电设备有限公司 | Air guide sleeve and wind generating set comprising same |
| CN106762463B (en) * | 2016-12-29 | 2019-11-01 | 北京金风科创风电设备有限公司 | Air guide sleeve and wind generating set comprising same |
| CN117554278A (en) * | 2024-01-12 | 2024-02-13 | 江苏常友环保科技股份有限公司 | Cabin cover weather resistance testing arrangement |
| CN117554278B (en) * | 2024-01-12 | 2024-03-19 | 江苏常友环保科技股份有限公司 | Cabin cover weather resistance testing arrangement |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130619 |