CN203339481U - Megawatt aluminium blade-tip lightning arrester - Google Patents
Megawatt aluminium blade-tip lightning arrester Download PDFInfo
- Publication number
- CN203339481U CN203339481U CN201320197758XU CN201320197758U CN203339481U CN 203339481 U CN203339481 U CN 203339481U CN 201320197758X U CN201320197758X U CN 201320197758XU CN 201320197758 U CN201320197758 U CN 201320197758U CN 203339481 U CN203339481 U CN 203339481U
- Authority
- CN
- China
- Prior art keywords
- blade tip
- aluminium blade
- aluminium
- conductive plate
- buried conductive
- 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 - Lifetime
Links
Images
Classifications
-
- Y02E10/722—
Landscapes
- Wind Motors (AREA)
Abstract
The utility model relates to a megawatt aluminium blade-tip lightning arrester which comprises a pre-buried current-conducting plate, and an aluminium blade tip. The front end of the pre-buried current-conducting plate is connected with the rear end of the aluminium blade tip through connection bolts. The aluminium blade tip is served as an arrester. The front end of the pre-buried current-conducting plate is connected with the rear end of the aluminium blade tip through at least two connection bolts which can go in and out synchronously. The end, which is connected with the pre-buried current-conducting plate, of each of the connection bolts is provided with a thread insert which is fixedly connected with the pre-buried current-conducting plate through a screw. The end, which is connected with the aluminium blade tip, of each of the connection bolts is provided with a steel-wire thread sleeve. The connection bolts are respectively connected with the aluminium blade tip through the steel-wire thread sleeves. The pre-buried current-conducting plate is disposed at a position corresponding to a glass reinforced plastic blade body in a pre-buried manner. The megawatt aluminium blade-tip lightning arrester is served as a lightning protection device of a wind generating set, is good in lightning-protection effect, and is convenient to install. Even if the aluminium blade tip is damaged by a lightning stroke, the megawatt aluminium blade-tip lightning arrester also can achieve rapid and convenient replacement, thereby reducing economic cost.
Description
Technical field
The utility model relates to a kind of lightning arrester of wind power generation blade, especially relates to a kind of lightning arrester of MW class aluminium blade tip blade.
Background technology
In the wind turbine generator reliability, most critical problem is exactly lightning protection.Along with the increase of wind power generation height and generator power, the probability of thunderbolt wind energy conversion system also can increase, and the most dangerous in the wind-force parts is fan blade, so the design of the lightning arrester of blade is particularly important.
The method of the installation lightning arrester adopted at present is: first in the blade production process at blade tip and each conductive plate of nuzzling in advance of blade position, after fixing with die-closing adhesive, lightning conducter is accessed to the cold pressing connection terminal of conductive plate, finally will paste glass-fiber-fabric on conductive plate over again.After vane mold matching solidifies, then, in the punching of conductive plate relevant position, knock in conductive pole as arrester, thereby realize the lightning function of blade.
But adopt this kind of lightning arrester, have following shortcoming:
1, this kind of lightning arrester is in the blade production process, and the operation relative complex is punched after solidifying, and very likely the resistance of whole lightning protection system is increased, and easily causes conduction bad.
2, the conductive pole area of this lightning arrester is little, when meeting with thunderbolt, easily hits at the blade tip position, causes the damage of blade.
3, adopting the blade of this lightning arrester, if meet with the damage that thunderbolt has caused blade tip, will be expendable, can only carry out the replacing of whole blade, will expend a large amount of manpower and financial resources.
The utility model content
The technical problems to be solved in the utility model is: overcomes the deficiencies in the prior art, a kind of lightning arrester of MW class aluminium blade tip blade is provided, and easy for installation, lightning-arrest better effects if.
The utility model solves the technical scheme that its technical problem adopts: a kind of MW class aluminium blade tip lightning arrester, comprise pre-buried conductive plate, aluminium blade tip, the leading section of described pre-buried conductive plate is connected by connecting bolt with the rearward end of aluminium blade tip, and described aluminium blade tip is as arrester.
Further, the leading section of described pre-buried conductive plate can be connected with the connecting bolt advanced with moving back by least 2 with the rearward end of aluminium blade tip.With the connecting bolt advanced with moving back, make pre-buried conductive plate can conveniently be connected and dismantle with the aluminium blade tip.
Further, the end that described connecting bolt is connected with pre-buried conductive plate is provided with screw thread and inserts, and screw thread is inserted and is fixedly connected with pre-buried conductive plate by screw.Screw thread is set to be inserted and can prevent that connecting bolt is loosening.Screw is set and inserts for retaining thread, difficult drop-off.
Further, the end that described connecting bolt is connected with the aluminium blade tip is provided with steel-wire screw-socket, and connecting bolt is fixedly connected with the aluminium blade tip by steel-wire screw-socket.Thereby guaranteed the stable connection of aluminium blade tip.
Further, described connecting bolt one end embeds pre-buried conductive plate, and described connecting bolt the other end embeds the aluminium blade tip, and described pre-buried conductive plate and aluminium blade tip are in mating connection, on described aluminium blade tip, junction corresponding to pre-buried conductive plate offers groove, and described groove is equipped with briquetting.Thereby realized the firm connection of aluminium blade tip, difficult drop-off.
Further, described pre-buried conductive plate is embedded in fiberglass blade corresponding position in advance.
Further, the junction of described aluminium blade tip and pre-buried conductive plate scribbles fluid sealant.
The beneficial effects of the utility model are: the utility model is for realizing the lightning protected of wind turbine generator.Comprise the pre-buried conductive plate in aluminium blade tip, fiberglass blade, both are connected by connecting bolt.Whole aluminium blade tip is as an arrester, and contact area is large, has guaranteed better to take shelter from the thunder effect.Adopt the lightning protection equipment of the utility model as wind turbine generator, lightning-arrest effective, and easy for installation; Even if the aluminium blade tip is broken by thunder and lightning, also can realize changing quickly and easily, thereby reduce economic cost.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is isolation of components schematic diagram of the present utility model;
Fig. 2 is the structural representation after the utility model installs;
Wherein: 1. pre-buried conductive plate, 2. screw, 3. connecting bolt, 4. briquetting, 5. aluminium blade tip, 6. steel-wire screw-socket, 7. screw thread is inserted.
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
As shown in Fig. 1 Fig. 2, a kind of MW class aluminium blade tip lightning arrester, comprise pre-buried conductive plate 1, aluminium blade tip 5, and the aluminium blade tip is as arrester 5.The leading section of pre-buried conductive plate 1 can be connected with the connecting bolt 3 advanced with moving back by 2 with the rearward end of aluminium blade tip 5.The end that connecting bolt 3 is connected with pre-buried conductive plate 1 is provided with screw thread and inserts 7, and screw thread is inserted and 7 is fixedly connected with pre-buried conductive plate 1 by screw 2.The end that connecting bolt 3 is connected with aluminium blade tip 5 is provided with steel-wire screw-socket 6, and connecting bolt 3 is fixedly connected with aluminium blade tip 5 by steel-wire screw-socket 6.Pre-buried conductive plate 1 is embedded in fiberglass blade corresponding position in advance.
Connecting bolt 3 one ends embed pre-buried conductive plate 1, and connecting bolt 3 the other end embed aluminium blade tip 5, and pre-buried conductive plate 1 is in mating connection with aluminium blade tip 5, on aluminium blade tip 5, with the corresponding junction of pre-buried conductive plate 1, offers groove, and groove is equipped with briquetting 4.Aluminium blade tip 5 scribbles fluid sealant with the junction of pre-buried conductive plate 1.
Installation steps of the present utility model are specifically such: when leaf production, screw thread is inserted after the pre-buried conductive plate 1 of 7 embedding, the relevant position retaining thread that screw 2 inserts pre-buried conductive plate 1 inserts 7.Again pre-buried conductive plate 1 is embedded in to fiberglass blade corresponding position in advance, carry out conventional smear die-closing adhesive after, lightning conducter is accessed to the cold pressing connection terminal of pre-buried conductive plate 1, carry out conventional vane mold matching, solidify, moulding.Further make aluminium blade tip 5, the steel-wire screw-socket 6 of packing into after the tapping of the relevant position of aluminium blade tip 5, then mill the processing and fabricating groove in the relevant position of aluminium blade tip 5.Blade cuts after forming is fallen to blade tip, two connecting bolt 3 one ends are connected to screw thread 7 places of inserting, the other end is connected on steel-wire screw-socket 6, after two ends all connect, use spanner, connecting bolt 3 is tightened, until aluminium blade tip 5 just is connected with pre-buried conductive plate 1, press briquetting 4 at groove, last, fluid sealant is coated in aluminium blade tip 5 and the junction of pre-buried conductive plate 1.
The utility model is for realizing the lightning protected of wind turbine generator.Comprise the pre-buried conductive plate in aluminium blade tip, fiberglass blade, both are connected by connecting bolt.Whole aluminium blade tip is as an arrester, and contact area is large, has guaranteed better to take shelter from the thunder effect.Adopt the lightning protection equipment of the utility model as wind turbine generator, lightning-arrest effective, and easy for installation; Even if the aluminium blade tip is broken by thunder and lightning, also can realize changing quickly and easily, thereby reduce economic cost, the utility model can be realized the lightning protected effect that wind turbine generator is good.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, the relevant staff can, in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to the claim scope.
Claims (7)
1. a MW class aluminium blade tip lightning arrester, it is characterized in that: comprise pre-buried conductive plate (1), aluminium blade tip (5), the leading section of described pre-buried conductive plate (1) is connected by connecting bolt (3) with the rearward end of aluminium blade tip (5), and described aluminium blade tip (5) is as arrester.
2. a kind of MW class aluminium blade tip lightning arrester according to claim 1 is characterized in that: the leading section of described pre-buried conductive plate (1) can be connected with the connecting bolt (3) that advance with moving back by least 2 with the rearward end of aluminium blade tip (5).
3. a kind of MW class aluminium blade tip lightning arrester according to claim 1, it is characterized in that: the end that described connecting bolt (3) is connected with pre-buried conductive plate (1) is provided with screw thread and inserts (7), screw thread insert (7) by screw (2), with pre-buried conductive plate (1), be fixedly connected with.
4. a kind of MW class aluminium blade tip lightning arrester according to claim 1, it is characterized in that: the end that described connecting bolt (3) is connected with aluminium blade tip (5) is provided with steel-wire screw-socket (6), and connecting bolt (3) is fixedly connected with aluminium blade tip (5) by steel-wire screw-socket (6).
5. a kind of MW class aluminium blade tip lightning arrester according to claim 1, it is characterized in that: described connecting bolt (3) one ends embed pre-buried conductive plate (1), described connecting bolt (3) the other end embeds aluminium blade tip (5), described pre-buried conductive plate (1) is in mating connection with aluminium blade tip (5), described aluminium blade tip (5) is upper offers groove with the corresponding junction of pre-buried conductive plate (1), and described groove is equipped with briquetting (4).
6. a kind of MW class aluminium blade tip lightning arrester according to claim 1, it is characterized in that: described pre-buried conductive plate (1) is embedded in fiberglass blade corresponding position in advance.
7. a kind of MW class aluminium blade tip lightning arrester according to claim 5 is characterized in that: described aluminium blade tip (5) scribbles fluid sealant with the junction of pre-buried conductive plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320197758XU CN203339481U (en) | 2013-04-18 | 2013-04-18 | Megawatt aluminium blade-tip lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320197758XU CN203339481U (en) | 2013-04-18 | 2013-04-18 | Megawatt aluminium blade-tip lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339481U true CN203339481U (en) | 2013-12-11 |
Family
ID=49708139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320197758XU Expired - Lifetime CN203339481U (en) | 2013-04-18 | 2013-04-18 | Megawatt aluminium blade-tip lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339481U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429672A (en) * | 2015-04-17 | 2017-12-01 | 全球防雷服务有限公司 | A kind of receiver for lightning-protection system |
| CN108223260A (en) * | 2017-12-29 | 2018-06-29 | 华润电力风能（汕头潮南）有限公司 | A kind of fan blade remodeling method and fan blade |
| CN108691734A (en) * | 2017-04-10 | 2018-10-23 | 株洲时代新材料科技股份有限公司 | Device is dodged for connecing for wind electricity blade and comprising its wind electricity blade |
| CN109642552A (en) * | 2016-07-29 | 2019-04-16 | 维斯塔斯风力系统有限公司 | Wind turbine blade with thunder and lightning top end receiver |
| US11015582B2 (en) | 2017-12-20 | 2021-05-25 | Vestas Wind Systems A/S | Wind turbine blade assembly |
-
2013
- 2013-04-18 CN CN201320197758XU patent/CN203339481U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429672A (en) * | 2015-04-17 | 2017-12-01 | 全球防雷服务有限公司 | A kind of receiver for lightning-protection system |
| US10288044B2 (en) | 2015-04-17 | 2019-05-14 | Polytech A/S | Receptor for a lightning protection system |
| CN107429672B (en) * | 2015-04-17 | 2019-08-27 | 全球防雷服务有限公司 | A kind of receiver for lightning-protection system |
| CN109642552A (en) * | 2016-07-29 | 2019-04-16 | 维斯塔斯风力系统有限公司 | Wind turbine blade with thunder and lightning top end receiver |
| CN109642552B (en) * | 2016-07-29 | 2021-05-25 | 维斯塔斯风力系统有限公司 | Wind turbine blade with lightning tip receptor |
| US11248588B2 (en) | 2016-07-29 | 2022-02-15 | Vestas Wind Systems A/S | Wind turbine blade having a lightning tip receptor |
| CN108691734A (en) * | 2017-04-10 | 2018-10-23 | 株洲时代新材料科技股份有限公司 | Device is dodged for connecing for wind electricity blade and comprising its wind electricity blade |
| CN108691734B (en) * | 2017-04-10 | 2020-08-21 | 株洲时代新材料科技股份有限公司 | Lightning receiving device for wind power blade and wind power blade comprising same |
| US11015582B2 (en) | 2017-12-20 | 2021-05-25 | Vestas Wind Systems A/S | Wind turbine blade assembly |
| CN108223260A (en) * | 2017-12-29 | 2018-06-29 | 华润电力风能（汕头潮南）有限公司 | A kind of fan blade remodeling method and fan blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203339481U (en) | Megawatt aluminium blade-tip lightning arrester | |
| CN203504100U (en) | Wind power tubular bus | |
| CN203098162U (en) | Wind turbine blade lightning arrester | |
| CN205025697U (en) | Blade lightning arrester | |
| CN103016279A (en) | Lightning arrester of blade of wind-driven generator | |
| CN203481964U (en) | Two-half type end cover used for motor | |
| CN203645138U (en) | Large-scale blunt type aluminium blade tip lightning arrester | |
| CN114753979A (en) | Lightning stroke protection system for blades of wind generating set | |
| CN203278163U (en) | Lightning rod | |
| CN202326511U (en) | Insulation joint earring of hydraulic cylinder | |
| CN202850563U (en) | Electric pole | |
| CN202797313U (en) | Grounding assembly convenient to install | |
| CN202628403U (en) | Integrated lightning protection device for fan blade | |
| CN205583171U (en) | A ground wire drainage clamp structure for ice -melt of 500kV transmission line ground wire direct current | |
| CN207381703U (en) | A kind of reassembling type anti-lighting arrester | |
| CN204947119U (en) | The insulated platform earth connection of improvement | |
| CN203386941U (en) | Improved grounding wire wiring terminal | |
| CN204628237U (en) | A kind of antirust screw used for wind power generation | |
| CN204793623U (en) | Consolidate heavier -duty lightning rod | |
| CN201946877U (en) | Voltage-sharing precursor shielding failure resistant lightning rod device for multi-circuit transmission lines on same tower | |
| CN203707726U (en) | Airtightness wire joint | |
| CN204152724U (en) | Variable blade control system accessory lightning protection device | |
| CN207625254U (en) | A kind of compound cross-arm of set interlinkage | |
| CN218919562U (en) | Lightning protection assembly for telegraph pole | |
| CN203560045U (en) | Lightning protection device on blade of offshore wind turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |