CN204099133U - The impeller of wind power generating set - Google Patents
The impeller of wind power generating set Download PDFInfo
- Publication number
- CN204099133U CN204099133U CN201420391452.2U CN201420391452U CN204099133U CN 204099133 U CN204099133 U CN 204099133U CN 201420391452 U CN201420391452 U CN 201420391452U CN 204099133 U CN204099133 U CN 204099133U
- Authority
- CN
- China
- Prior art keywords
- blade
- heating wire
- conductive mesh
- impeller
- wind power
- 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.)
- Active
Links
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides a kind of impeller of wind power generating set, at least three blades comprising wheel hub and be connected with wheel hub, conductive mesh is coated with at blade, also be provided with multiple arrester through conductive mesh and blade interior at the edge of blade, be also provided with the heating module of vein shape in the inside of blade.The utility model, by being arranged on the arrester on blade, making the intensity of the lightning current being diverted to conductive mesh be effectively reduced, also reduces the transient high temperature formed on arrester simultaneously; The reticular structure of conductive mesh can play shunting action, reduces the intensity of Lightning Electromagnetic Pulse, and can prevent the transient high temperature due to conductive mesh from causing blade, cracking between conductive mesh and protective layer, bursting phenomenon; By being arranged on the heating module of the vein shape in blade, can make to be distributed on blade by the even heat sent in heating module, to remove attachment ice over the paddle.
Description
Technical field
The utility model relates to a kind of blade wheel structure, especially a kind of impeller of wind power generating set.
Background technique
The Chinese patent of Fig. 1 to be Authorization Notice No. be CN201428552Y, it discloses a kind of toothed disc type wind power generation machine lightning arrester, include the internal gear disc that an outer tooth disk 4 and are positioned at this outer tooth disk 4 neutral position, outer tooth disk 4 and internal gear disc 3 are furnished with the pointed tooth that can produce point discharge effect in opposite directions respectively towards movement clearance side, an eyelet passed for blower fan main shaft is offered in the middle of internal gear disc, one of them fluted disc is fixed on the wheel hub 1 of blower fan, with wheel hub synchronous axial system, be fixed on fluted disc on wheel hub and be fixed on connecing on blade 2 and dodge pin 11 and be electrically connected, another fluted disc is fixed on cabin housing forward end, and be directly connected with ground wire.By the cooperation of inside and outside fluted disc movement clearance pointed tooth; connect from fan blade and dodge the thunder and lightning that attracts of pin and can form " point discharge " phenomenon the pointed dentation structure between outer tooth disk and internal gear disc; thunder and lightning fast direct ground connection is released into ground, generator and other unit equipment farthest can be protected to exempt from thunderbolt and destroy.
But, above-mentioned be connected with blade connect that thunder pin often generates heat because of himself after contacting with thunder and lightning, the phenomenon such as the through-current capacity of cable deficiency causes blade bursts, cable breakage; In addition, dodge pin can produce heat of high temperature owing to connecing after contacting with thunder and lightning, also can make that the blade near it at high temperature deforms, the normal operation that have impact on wind power generating set of serious cracking, increase its maintenance cost;
In addition, because the blade in above-mentioned wind-driven generator does not possess heating deicing assembly, therefore, when weather conditions (cold, moist) are severe, blade easily freeze, makes power generating equipment occur unbalance fault.
Summary of the invention
For the deficiency existed in the problems referred to above, the utility model provides a kind of and has good lightning protection effect, avoids blade damage, and the impeller of the wind power generating set that the ice being attached to blade surface is dissolved.
For achieving the above object, the utility model provides a kind of impeller of wind power generating set, at least three blades comprising wheel hub and be connected with described wheel hub, conductive mesh is coated with at described blade, also be provided with multiple arrester through described conductive mesh and blade interior at the edge of described blade, be also provided with the heating module of vein shape in the inside of described blade.
The impeller of above-mentioned wind power generating set, wherein, described arrester is tray-type gas electric discharge lamp, described tray-type gas electric discharge lamp is made up of disc-shaped foot and two plate electrodes disposed thereon, described disc-shaped foot is connected with described conductive mesh, adopts and be screwed between described disc-shaped foot and blade.
The impeller of above-mentioned wind power generating set, wherein, described conductive mesh is metal grill, and is made up of carbon fiber guiding electric material.
The impeller of above-mentioned wind power generating set, wherein, be provided with protective layer on described conductive mesh surface, the surface of described arrester is exposed to outside described protective layer.
The impeller of above-mentioned wind power generating set, wherein, described heating module is made up of heating wire cavity and heating wire, described heating wire is made up of main heating wire and multiple branches heating wire, described main heating wire is arranged in described heating wire cavity, and described branch heating wire is connected through the wall of described heating wire cavity with described main heating wire.
The impeller of above-mentioned wind power generating set, wherein, described branch heating wire is also connected with thermal conductive belt.
The impeller of above-mentioned wind power generating set, wherein, is characterized in that, is provided with outer tooth disk and internal gear disc, offers the through hole passed for blower fan main shaft at the shaft core position of described internal gear disc in described wheel hub inside successively concentric.
Compared with prior art, the utility model has the following advantages:
1, by being arranged on the arrester on blade, the intensity of the lightning current being diverted to conductive mesh being effectively reduced, also reduces the transient high temperature formed on arrester simultaneously; The reticular structure of conductive mesh can play shunting action, reduces the intensity of Lightning Electromagnetic Pulse, and can prevent the transient high temperature due to conductive mesh from causing blade, cracking between conductive mesh and protective layer, bursting phenomenon;
2, by being arranged on the heating module of the vein shape in blade, can make to be distributed on blade by the even heat sent in heating module, to remove attachment ice over the paddle;
3, owing to being also provided with thermal conductive belt on branch's heating wire, therefore, the hot area of branch's heating wire can be expanded.
Accompanying drawing explanation
Fig. 1 is the structural drawing of impeller in existing wind-driven generator;
Fig. 2 is structural drawing of the present utility model;
Fig. 3 is the cut-away view of Fig. 2 Leaf;
Fig. 4 is the structural drawing of heating module in Fig. 3.
Main Reference Numerals is described as follows:
1-wheel hub 2-blade 3-outer tooth disk
4-internal gear disc 5-arrester 6-conductive mesh
7-heating wire cavity 8-main heating wire 9-branch heating wire
10-thermal conductive belt 11-connects sudden strain of a muscle pin
Embodiment
As shown in Figures 2 to 4, three blades 2 that the impeller of this wind power generating set comprises wheel hub 1 and is connected with wheel hub 1, outer tooth disk 3 and internal gear disc 4 are installed in wheel hub 1 inside successively concentric, outer tooth disk 3 and wheel hub 1 synchronous axial system, offer the through hole passed for blower fan main shaft at the shaft core position of internal gear disc 4.
One end of blade 2 is fixedly connected with the outer wall of wheel hub 1.In the conductive mesh 6 be coated with for being carried out discharging by lightning current of blade 2, this conductive mesh is metal grill, and is made up of carbon fiber guiding electric material, adopts the mode of tackiness agent to be fixed between conductive mesh and blade.Wherein, the preferred material of conductive mesh is Cu alloy material.Three arresters 5 through conductive mesh 6 and blade interior are also provided with at the marginal position of blade 2, this arrester 5 is tray-type gas electric discharge lamp, tray-type gas electric discharge lamp is made up of disc-shaped foot and two plate electrodes disposed thereon, disc-shaped foot is connected with conductive mesh, adopts and be screwed between disc-shaped foot and blade.
In addition, be provided with protective layer (not describing in figure) on conductive mesh 6 surface, the top surface of arrester is exposed to outside protective layer.
Also be provided with the heating module for carrying out the vein shape heating deicing to blade surface in the inside of blade 2, this heating module is fixed on blade inner wall surface.Heating module is made up of heating wire cavity 7 and heating wire, heating wire is made up of with multiple branches heating wire 9 main heating wire 8, main heating wire is arranged in flat tubulose heating wire cavity, and each branch's heating wire 9 is all be connected through the wall of heating wire cavity 7 with main heating wire 8.
In addition, in order to expand hot area, therefore, branch's heating wire 9 is also provided with the thermal conductive belt 10 of strip.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall in protection domain of the present utility model.
Claims (7)
1. the impeller of a wind power generating set, at least three blades comprising wheel hub and be connected with described wheel hub, it is characterized in that, conductive mesh is coated with at described blade, also be provided with multiple arrester through described conductive mesh and blade interior at the edge of described blade, be also provided with the heating module of vein shape in the inside of described blade.
2. the impeller of wind power generating set according to claim 1, it is characterized in that, described arrester is tray-type gas electric discharge lamp, described tray-type gas electric discharge lamp is made up of disc-shaped foot and two plate electrodes disposed thereon, described disc-shaped foot is connected with described conductive mesh, adopts and be screwed between described disc-shaped foot and described blade.
3. the impeller of wind power generating set according to claim 2, is characterized in that, described conductive mesh is metal grill, and is made up of carbon fiber guiding electric material.
4. the impeller of wind power generating set according to claim 3, is characterized in that, is provided with protective layer on described conductive mesh surface, and the surface of described arrester is exposed to outside described protective layer.
5. the impeller of wind power generating set according to claim 1, it is characterized in that, described heating module is made up of heating wire cavity and heating wire, described heating wire is made up of main heating wire and multiple branches heating wire, described main heating wire is arranged in described heating wire cavity, and described branch heating wire is connected through the wall of described heating wire cavity with described main heating wire.
6. the impeller of wind power generating set according to claim 5, is characterized in that, described branch heating wire is also connected with thermal conductive belt.
7., according to the impeller of described wind power generating set arbitrary in claim 1 to 6, it is characterized in that, in described wheel hub inside successively concentric, outer tooth disk and internal gear disc are installed, offer the through hole passed for blower fan main shaft at the shaft core position of described internal gear disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420391452.2U CN204099133U (en) | 2014-07-16 | 2014-07-16 | The impeller of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420391452.2U CN204099133U (en) | 2014-07-16 | 2014-07-16 | The impeller of wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204099133U true CN204099133U (en) | 2015-01-14 |
Family
ID=52267566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420391452.2U Active CN204099133U (en) | 2014-07-16 | 2014-07-16 | The impeller of wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204099133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218039A (en) * | 2021-05-08 | 2021-08-06 | 宁波奥克斯电气股份有限公司 | Air conditioner outdoor fan starting control method and device and air conditioner |
-
2014
- 2014-07-16 CN CN201420391452.2U patent/CN204099133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218039A (en) * | 2021-05-08 | 2021-08-06 | 宁波奥克斯电气股份有限公司 | Air conditioner outdoor fan starting control method and device and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101235796B (en) | Integrated leading edge for wind turbine blade | |
| JP5641714B2 (en) | Wind turbine blade with lightning arrester and method for protecting the surface of the wind turbine blade | |
| JP5726860B2 (en) | Windmill wing | |
| EP2633186B1 (en) | A wind turbine lightning protection system and wind turbine blade | |
| EP2944809B1 (en) | Method of manufacturing a wind turbine blade | |
| WO2013007267A1 (en) | A wind turbine blade | |
| WO2010028653A3 (en) | Low power heating | |
| PT783629E (en) | WINDMILL PADS FOR WIND MILLS | |
| EP3060796B1 (en) | Lightning current transfer system with spark gap and wind turbine using the lightning current transfer system | |
| CN104520583B (en) | A lightning current transfer unit for a wind turbine | |
| EP3093487B1 (en) | Lightning protection system for wind turbine rotor blades | |
| CN101207270A (en) | Wind power generation lightning protection system | |
| CN204099133U (en) | The impeller of wind power generating set | |
| CN201747531U (en) | Lightning-protection blade of wind generating set | |
| CN106837682A (en) | A kind of wind turbine blade with lightning protection deicing function | |
| CN204499249U (en) | Wind whistle formula bird-scaring unit | |
| EP2756187B1 (en) | Fluid turbine lightning protection system | |
| CN108223306A (en) | A kind of outer lightning protection for being overlying on wind power generation unit blade surface connects sudden strain of a muscle device | |
| WO2019214280A1 (en) | Anti-lightning array and passive plasma lightning protection system complementary to aerodynamics of wind turbine blade | |
| CN101832234A (en) | Direct lightning strike protecting device of wind power generator set blade | |
| CN101598114B (en) | Toothed disc type wind power generation lightning arrester | |
| US9136685B2 (en) | Lightning protection structure of blade for wind power generation | |
| CN207715307U (en) | A kind of wind generator set blade Lightning Transformation device | |
| CN205047374U (en) | Lightning protection device of wind energy blade | |
| CN204783475U (en) | Fan blade lightning protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100088 No. 8, building 209, building 13, Huayuan Road, Beijing, Haidian District Patentee after: Guodian North China International Power Engineering (Beijing) Co., Ltd Address before: 100088 No. 8, building 209, building 13, Huayuan Road, Beijing, Haidian District Patentee before: North-China Power Engineering (Beijing) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |