CN202326034U - Vane rain cover and wind driven generator - Google Patents
Vane rain cover and wind driven generator Download PDFInfo
- Publication number
- CN202326034U CN202326034U CN2011204321501U CN201120432150U CN202326034U CN 202326034 U CN202326034 U CN 202326034U CN 2011204321501 U CN2011204321501 U CN 2011204321501U CN 201120432150 U CN201120432150 U CN 201120432150U CN 202326034 U CN202326034 U CN 202326034U
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- CN
- China
- Prior art keywords
- rain cover
- blade
- annular solid
- raising
- vane
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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.)
- Expired - Fee Related
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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
- 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
Abstract
The utility model discloses a vane rain cover which comprises an annular body, wherein the annular body is provided with a diverging transition surface; the minimum internal diameter of the annular body is matched with the cylindrical root of the vane; the annular body is provided with at least one joint; and two ends of the joint are mutually overlapped when in butt joint. When the vane rain cover is installed, glue is coated between the mutually-overlapped parts when the joint is in in butt joint, and the overlapped parts are reinforced by using rivets. The vane rain cover with the structure is convenient and reliable to install and has good rain-proof effect. In one specific embodiment, one of the two mutually-overlapped ends of the joint is provided with a raising part, and the radius of the raising part is equal to the sum of the radius of a part which is not raised and the thickness of the annular body. The vane rain cover is convenient and reliable to install, and the vane rain cover and the root of the vane have good sealing effect. The utility model also discloses a wind driven generator comprising the vane rain cover.
Description
Technical field
The utility model relates to technical field of wind power generation, particularly relates to a kind of blade rain cover that is used for wind-driven generator.In addition, the utility model also relates to a kind of wind-driven generator that comprises above-mentioned blade rain cover.
Background technique
Wind energy more and more receives the attention of countries in the world as a kind of renewable energy sources of cleaning.Wind-power electricity generation is a kind of inexhaustible cleanliness without any pollution energy, is the largest new energy of our times economic development.
The windmill of wind-driven generator comprises at least two blades, and when wind during to said blade, aerodynamic force drives said windmill and rotates.Because the nature wind speed is continuous the variation, said wind-driven generator is constantly followed the tracks of the angle of the said blade of adjustment windward side in the course of the work, accomplishes the wind energy of the best and catches and power control.
In the various parts of wind-driven generator, blade is directly exposed in the external world, think and prevent that air guide sleeve that rainwater passes through said root of blade from flowing into the inside of said wind-driven generator, usually at the binding site installation rain cover of said blade and said air guide sleeve.
Please refer to Fig. 1 to Fig. 4; Fig. 1 is a kind of structural representation of typical rain cover; Fig. 2 is the structural representation that rain cover shown in Figure 1 combines with blade, and Fig. 3 is a kind of structural representation of typical integral type rain cover, and Fig. 4 is a kind of structural representation of typical split type rain cover.
Said rain cover is an annular solid 1 that is fixed on said blade 2 roots, and its structural type is as shown in Figure 1, and said annular solid 1 is as shown in Figure 2 with the form that said blade 2 combines.
The form of typical rain cover mainly contains integral type and split type; The rain cover of integral type is as shown in Figure 3; Said rain cover is pressed size requirement with 1 machine shaping of unbroken loop body; Opening a fracture 11 then, said rain cover is when work, and the adhesive effect of said fracture 11 directly influences the life-span of said rain cover; And the operating conditions of said blade 2 is abominable, if there is empty bonding in said fracture 11, then can have potential safety hazard.
Split type rain cover is as shown in Figure 4, and the section of forming the arc body 12 of said annular solid has increased butt joint plane 15, and said butt joint plane 15 is connected through mounting hole by bolt.If said rain cover produces distortion, said mounting hole then is difficult to align, and causes the difficult installation of said rain cover, reduces installation efficiency.
Therefore, how solving the difficult installation of rain cover, is the present technical issues that need to address of those skilled in the art.
The model utility content
The purpose of the utility model provides a kind of blade rain cover, and this blade rain cover is easy for installation.Another purpose of the utility model provides a kind of wind-driven generator that comprises above-mentioned blade rain cover.
In order to solve the problems of the technologies described above; The utility model provides a kind of blade rain cover, comprises at least one annular solid, and said annular solid has the transitional surface of flaring; The minimum diameter of said annular solid cooperates with the cylindrical root of blade; The maximum inner diameter of said annular solid cooperates with the air guide sleeve of said root of blade, and said annular solid has at least one place interface, and is overlapped during the butt joint of said interface two ends.
Preferably, one of two ends that said interface is overlapped have the portion of raising, and saidly raise portion and do not raise portion and be connected by smooth transition surface.
Preferably, the said radius of raising portion equals the thickness that the said radius of not raising portion adds said annular solid.
Preferably, the said arc length of raising portion is 1/8th of a connected arc body arc length.
Preferably, said inboard of raising portion has the interior alveolus along arc direction, has the outer alveolus that cooperates with said interior alveolus with the said outside of raising the overlapping portion that do not raise of portion.
Preferably, the path of said annular solid has the barrel surface of extending along said annular solid axial direction respectively with big footpath.
The utility model also provides a kind of wind-driven generator, comprises blade and blade rain cover, and said blade rain cover is above-mentioned each described blade rain cover.
The utility model provides a kind of blade rain cover; Comprise at least one annular solid; Said annular solid has the transitional surface of flaring, and the minimum diameter of said annular solid cooperates with the cylindrical root of blade, and the maximum inner diameter of said annular solid cooperates with the air guide sleeve of said root of blade; Said annular solid has at least one place interface, and is overlapped during the butt joint of said interface two ends.
When said blade rain cover is installed, gluing between the overlapped part during with said interface butt joint, and strengthen said lap with rivet, and the blade rain cover of this structure is easy for installation, and said blade rain cover produces when being out of shape in a small amount can not influence installation yet.
In a kind of concrete mode of execution, one of two ends that said interface is overlapped have the portion of raising, and saidly raise portion and do not raise portion and be connected by smooth transition surface.
The blade rain cover of this structural type during installation, is not raised outside gluing on one side with said jointing, inserts the said portion that raises, and strengthens fixing with rivet then, and it is reliable that effect stability is installed.
In the another kind of concrete mode of execution, the said radius of raising portion equals the thickness that the said radius of not raising portion adds said annular solid.
After said blade rain cover was installed, the said radius of raising portion equaled the said thickness that portion's radius adds said blade rain cover of not raising, and can guarantee the sealing effect between said blade rain cover and said root of blade.
In the concrete mode of execution of another kind, the said arc length of raising portion is 1/8th of a connected arc body arc length.
The said arc length of raising portion can be regulated according to the arc length of connected arc body, and the arc body that arc length is long connects the long portion that raises, and can make the connection of said annular solid more reliable.
In the another kind of concrete mode of execution, said inboard of raising portion has the interior alveolus along arc direction, has the outer alveolus that cooperates with said interior alveolus with the said outside of raising the overlapping portion that do not raise of portion.
The said portion that raises has alveolus with the surface of contact of not raising portion, has increased the said portion and said of raising and has not raised the bonding area of contact of gluing between the portion, can make connection between the two more reliable and more stable.
In the concrete mode of execution of another kind, the path of said annular solid has the barrel surface of extending along said annular solid axial direction respectively with big footpath.
When said path cooperates with said root of blade, do some sealings between the inwall of said barrel surface and the said root of blade, can further improve the water-resistant performance of said blade rain cover.
The utility model also provides a kind of wind-driven generator, comprises above-mentioned blade rain cover, and the blade of this wind-driven generator has good rainproof effect.
Description of drawings
Fig. 1 is a kind of structural representation of typical rain cover;
Fig. 2 is the structural representation that rain cover shown in Figure 1 combines with blade;
Fig. 3 is a kind of structural representation of typical integral type rain cover;
Fig. 4 is a kind of structural representation of typical split type rain cover;
Fig. 5 is the structural representation of a kind of embodiment of rain cover that the utility model provided;
Fig. 6 is the structural representation that rain cover shown in Figure 5 combines with blade;
Fig. 7 is the local enlarged diagram of rain cover A portion shown in Figure 6.
Embodiment
The core of the utility model provides a kind of blade rain cover, and this blade rain cover is easy for installation.Another core of the utility model provides a kind of wind-driven generator that comprises above-mentioned blade rain cover.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 5 to Fig. 7, Fig. 5 is the structural representation of a kind of embodiment of rain cover that the utility model provided, and Fig. 6 is the structural representation that rain cover shown in Figure 5 combines with blade, and Fig. 7 is the local enlarged diagram of rain cover A portion shown in Figure 6.
In a kind of concrete mode of execution; The utility model provides a kind of blade rain cover, comprises at least one annular solid 1, and said annular solid 1 has the transitional surface of flaring; The minimum diameter circle of said annular solid 1 cooperates with the cylindrical root of blade 2; The maximum inner diameter circle of said annular solid 1 cooperates with the air guide sleeve of said blade 2 roots, and said annular solid 1 has at least one place interface, and is overlapped during the butt joint of said interface two ends.
When said blade rain cover was installed, the reliability of mating interface directly determined the reliability of said blade rain cover.When docking said interface, make the two ends of butt joint overlapped, and with overlapped part gluing, and then strengthen said lap with rivet.This Placement has well guaranteed the reliability of said interface, and distortion can not influence installation yet even said blade rain cover produces in a small amount, makes the easier for installation of said blade rain cover.
Said blade rain cover is in order to prevent that air guide sleeve that rainwater passes through said root of blade from flowing into the inside of said wind-driven generator; The maximum inner diameter circle of said blade rain cover cooperates with said air guide sleeve; And have transitional surface between said minimum diameter circle and the said maximum inner diameter circle, can play effective rainproof effect.
In a kind of concrete mode of execution, one of two ends that said interface is overlapped have the portion of raising 13, saidly raise portion 13 and do not raise portion and be connected by smooth transition surface 14.
When the interface of said blade rain cover docks, said mating interface place is not raised outside gluing on one side, insert the said portion 13 that raises, strengthen said lap with rivet then, it is reliable that effect stability is installed.
In the another kind of concrete mode of execution, the said radius of raising portion 13 equals the thickness that the said radius of not raising portion adds said annular solid 1.
Because the said radius of raising portion 13 equals the said thickness that portion's radius adds said annular solid 1 of not raising; After the interface butt joint of said blade rain cover; The least radius circle of said blade rain cover still is a full circle, and this kind structure has improved the sealing effect between said blade rain cover and the said blade 2.
In the concrete mode of execution of another kind, the said arc length of raising portion 13 is 1/8th of connected arc body 12 arc length.
The said arc length of raising portion 13 can be regulated according to the arc length of connected arc body 12, and the arc body 12 that arc length is long connects the long portion that raises 13, can make the connection of said annular solid 1 more reliable.
Said annular solid 1 can be made up of multistage arc body 12, and the connection between the said arc body 12 is the said portion 13 that raises and does not raise being connected between the portion with said.Said raising on the arc body 12 that portion 13 can be positioned at the arbitrary limit of said mating interface, said arc body 12 can not have the portion of raising 13, Yi Bian also can raise portion 13 only having one, can also all have the portion of raising 13 in two ends.
In the another kind of concrete mode of execution, said inboard of raising portion 13 has the interior alveolus along arc direction, has the outer alveolus that cooperates with said interior alveolus with the said outside of raising the overlapping portion that do not raise of portion.
The said portion 13 that raises has the alveolus that matches with the said surface of contact of not raising portion, and said alveolus has increased the area of contact between the said lap.Said lap is gluing and have the alveolus that cooperatively interacts not only, can make the connection of said mating interface more reliable and more stable, and then increase the reliability of said blade rain cover.
In the concrete mode of execution of another kind, the path of said annular solid 1 has the barrel surface of extending along said annular solid 1 axial direction respectively with big footpath.
When said minimum diameter circle cooperates with said root of blade,, can further improve the water-resistant performance of said blade rain cover with carrying out encapsulation process between the inwall of said path barrel surface and the said root of blade.
When said maximum inner diameter circle cooperates with said air guide sleeve, also, ensured that further said blade rain cover has good water-resistant performance with carrying out encapsulation process between the barrel surface in said big footpath and the said air guide sleeve.
Except above-mentioned blade rain cover, the utility model also provides a kind of wind-driven generator that comprises above-mentioned blade rain cover, and the structure of these other each several parts of wind-driven generator please refer to existing technology, and this paper repeats no more.
More than wind-driven generator and blade rain cover thereof that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the mode of execution of the utility model are set forth, above embodiment's explanation just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (7)
1. blade rain cover; Comprise at least one annular solid (1), said annular solid (1) has the transitional surface of flaring, and the minimum diameter of said annular solid (1) cooperates with the cylindrical root of blade (2); The maximum inner diameter of said annular solid (1) cooperates with the air guide sleeve of said blade (2) root; It is characterized in that said annular solid (1) has at least one place interface, overlapped during the butt joint of said interface two ends.
2. blade rain cover as claimed in claim 1 is characterized in that, one of two ends that said interface is overlapped have the portion of raising (13), saidly raises portion (13) and does not raise portion and be connected by smooth transition surface (14).
3. blade rain cover as claimed in claim 2 is characterized in that, the said radius of raising portion (13) equals the thickness that the said radius of not raising portion adds said annular solid (1).
4. blade rain cover as claimed in claim 3 is characterized in that, the said arc length of raising portion (13) is 1/8th of connected arc body (a 12) arc length.
5. blade rain cover as claimed in claim 4 is characterized in that, said inboard of raising portion (13) has the interior alveolus along arc direction, has the outer alveolus that cooperates with said interior alveolus with the said outside of raising the overlapping portion that do not raise of portion (13) butt joint.
6. like each described blade rain cover of claim 1 to 5, it is characterized in that the path of said annular solid (1) has the barrel surface of extending along said annular solid (1) axial direction respectively with big footpath.
7. a wind-driven generator comprises blade and blade rain cover, and said blade rain cover is each described blade rain cover of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204321501U CN202326034U (en) | 2011-11-03 | 2011-11-03 | Vane rain cover and wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204321501U CN202326034U (en) | 2011-11-03 | 2011-11-03 | Vane rain cover and wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326034U true CN202326034U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204321501U Expired - Fee Related CN202326034U (en) | 2011-11-03 | 2011-11-03 | Vane rain cover and wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326034U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2878812A1 (en) | 2013-11-27 | 2015-06-03 | Nordex Energy GmbH | Wind energy assembly rotor blade for a rotor with a spinner |
| CN106321365A (en) * | 2015-06-17 | 2017-01-11 | 上海艾港风电科技发展有限公司 | Blade rainproof cover positioning device |
| CN108098624A (en) * | 2017-12-01 | 2018-06-01 | 上海艾港风电科技发展有限公司 | The positioning tool of the rain cover of wind electricity blade and the installation method of rain cover |
| CN108757346A (en) * | 2018-06-19 | 2018-11-06 | 东方电气（天津）风电叶片工程有限公司 | A kind of production method of inside drainage type rain-proof ring |
| CN109268218A (en) * | 2018-11-30 | 2019-01-25 | 国电联合动力技术有限公司 | A kind of wind electricity blade rain cover and wind power generating set and its rain cover installation method |
| CN111016217A (en) * | 2019-12-24 | 2020-04-17 | 连云港东鼎实业有限公司 | Integrated cabin cover rainproof ring and preparation method thereof |
-
2011
- 2011-11-03 CN CN2011204321501U patent/CN202326034U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2878812A1 (en) | 2013-11-27 | 2015-06-03 | Nordex Energy GmbH | Wind energy assembly rotor blade for a rotor with a spinner |
| EP3190290A1 (en) | 2013-11-27 | 2017-07-12 | Nordex Energy GmbH | Wind energy assembly rotor blade for a rotor with a spinner |
| US9765646B2 (en) | 2013-11-27 | 2017-09-19 | Nordex Energy Gmbh | Wind turbine rotor blade for a rotor with a spinner |
| CN106321365A (en) * | 2015-06-17 | 2017-01-11 | 上海艾港风电科技发展有限公司 | Blade rainproof cover positioning device |
| CN106321365B (en) * | 2015-06-17 | 2023-11-17 | 上海艾港风电科技发展有限公司 | Positioning device for rain cover of blade |
| CN108098624A (en) * | 2017-12-01 | 2018-06-01 | 上海艾港风电科技发展有限公司 | The positioning tool of the rain cover of wind electricity blade and the installation method of rain cover |
| CN108757346A (en) * | 2018-06-19 | 2018-11-06 | 东方电气（天津）风电叶片工程有限公司 | A kind of production method of inside drainage type rain-proof ring |
| CN109268218A (en) * | 2018-11-30 | 2019-01-25 | 国电联合动力技术有限公司 | A kind of wind electricity blade rain cover and wind power generating set and its rain cover installation method |
| CN109268218B (en) * | 2018-11-30 | 2023-12-26 | 国电联合动力技术有限公司 | Wind power blade rain cover, wind power generator set and rain cover installation method |
| CN111016217A (en) * | 2019-12-24 | 2020-04-17 | 连云港东鼎实业有限公司 | Integrated cabin cover rainproof ring and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121103 |