CN216642337U - Wind deflector for wind generating set and wind power generation device - Google Patents
Wind deflector for wind generating set and wind power generation device Download PDFInfo
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- CN216642337U CN216642337U CN202220012665.4U CN202220012665U CN216642337U CN 216642337 U CN216642337 U CN 216642337U CN 202220012665 U CN202220012665 U CN 202220012665U CN 216642337 U CN216642337 U CN 216642337U
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- air
- air guide
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- cover body
- dust
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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
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Abstract
The utility model relates to the technical field of wind power generation equipment, and provides a wind deflector for a wind generating set and a wind power generation device. According to the utility model, the dustproof piece is arranged, so that the protection effect on the gap between the cover body and the engine room is realized, the entry and accumulation of foreign matters such as dust are prevented, the gap can be cleaned and cleaned automatically, and the safe operation of the wind generating set is ensured.
Description
Technical Field
The utility model relates to the technical field of wind power generation equipment, in particular to a wind deflector for a wind generating set and a wind power generation device.
Background
The existing air guide sleeve is a simple structure covered on the outer side of the hub, and mainly plays a role in protecting the hub and guiding the air flow to be divided in a windward state.
However, in the long-term operation process of the wind turbine, due to wind, sand, rain, snow and the like in the environment, dust is accumulated at the joint of the impeller and the engine room, pollution and corrosion are caused to the main shaft and the bearing, abrasion and vibration are aggravated, and the service life of the wind turbine generator system is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind deflector for a wind generating set and a wind generating set, which are used for solving the defect that dust is easy to accumulate at a gap between the wind deflector and a cabin in the prior art, realizing dust removal protection on the gap between the wind deflector and the cabin and ensuring safe operation of the wind generating set.
The utility model provides a wind deflector for a wind generating set, which is used for being correspondingly assembled with a cabin and comprises a cover body, wherein the cover body is provided with a dustproof piece, the dustproof piece covers a gap between the cover body and the cabin, a wind guide pipe is arranged in the cover body, an air inlet of the wind guide pipe is arranged at the windward end of the cover body, and a jet orifice of the wind guide pipe is arranged at the leeward end of the cover body and is matched with dust blowing of the dustproof piece.
According to the air guide sleeve for the wind generating set, the jet orifice of the air guide pipe is arranged towards the dustproof piece and deviates from the axial direction of the sleeve body.
According to the air guide sleeve for the wind generating set, the air guide pipe comprises the accelerating pipe and the jet pipe which are connected in series, the accelerating pipe comprises the first accelerating pipe and the second accelerating pipe which are connected in series, the air inlet of the first accelerating pipe is the air inlet of the air guide pipe, the air outlet of the second accelerating pipe is connected with the air inlet of the jet pipe, and the air outlet of the jet pipe is the jet orifice of the air guide pipe.
According to the air guide sleeve for the wind generating set, the first accelerating tube is a Venturi tube, the second accelerating tube is a Tesla valve array spiral tube, and the injection tube is a Laval nozzle.
According to the air guide sleeve for the wind generating set, provided by the utility model, the air inlet of the air guide pipe is provided with the filter screen.
According to the air guide sleeve for the wind generating set, the air guide pipes are arranged in a plurality and are uniformly distributed along the circumferential direction of the inner side wall of the cover body.
According to the air guide sleeve for the wind generating set, the leeward end of the sleeve body is provided with the air guide groove, the air guide groove is annular, the air guide groove is provided with the air inlets which are connected with the air outlets of the air guide pipes in a one-to-one correspondence mode, and the air outlets of the air guide groove are arranged towards the dustproof piece.
According to the air guide sleeve for the wind generating set, the dustproof piece is a dustproof brush, the installation end of the dustproof brush is connected with the circumferential direction of the outer side wall of the leeward end of the cover body, and the free end of the dustproof brush extends along the direction departing from the leeward end of the cover body and covers the gap between the cover body and the engine room.
According to the air guide sleeve for the wind generating set, the dustproof brush is provided with the multiple layers of brush wires, and the multiple layers of brush wires are arranged in a staggered mode.
The utility model also provides a wind power generation device, which comprises a cabin, a tower and the wind deflector for the wind power generation unit, wherein the cabin is correspondingly assembled and connected with the wind deflector, and the tower is assembled and connected with the bottom side of the cabin.
The utility model provides a wind deflector for a wind generating set and a wind generating set, which are used for being assembled corresponding to a cabin and comprise a cover body, wherein the cover body is provided with a dustproof piece, the dustproof piece covers a gap between the cover body and the cabin, a wind guide pipe is arranged in the cover body, an air inlet of the wind guide pipe is arranged at the windward end of the cover body, a jet orifice of the wind guide pipe is arranged at the leeward end of the cover body and is matched with dust blowing of the dustproof piece, the dustproof piece is arranged to achieve the protection effect on the gap between the cover body and the cabin and prevent foreign matters such as dust from entering and accumulating, the dust blowing effect on the dustproof piece through the wind guide pipe achieves the dust blowing effect on the dustproof piece, meanwhile, the cleaning and automatic cleaning of the gap can be achieved, and the safe operation of the wind generating set can be guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a wind deflector for a wind turbine generator system according to the present invention;
FIG. 2 is a schematic structural view of an air guide pipe in a wind deflector for a wind generating set according to the present invention;
FIG. 3 is a schematic structural view of an air inlet of an air guide pipe in a wind deflector for a wind generating set according to the present invention;
FIG. 4 is a schematic structural view of a second accelerating tube in the wind deflector for the wind generating set provided by the utility model;
reference numerals:
1: a cover body; 2: a blade; 3: a dust-proof member;
4: a nacelle; 5: a tower drum; 6: a filter screen;
7: a first acceleration tube; 8: a second acceleration pipe; 9: an injection pipe;
10: an ejection port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The following describes a wind deflector for a wind generating set, which is used for being assembled corresponding to a cabin 4, with reference to fig. 1 to 4, and includes a cover body 1, the cover body 1 is provided with a dust-proof piece 3, the dust-proof piece 3 covers a gap between the cover body 1 and the cabin 4, a wind guide pipe is arranged in the cover body 1, an air inlet of the wind guide pipe is arranged at a windward end of the cover body 1, and a jet orifice of the wind guide pipe is arranged at a leeward end of the cover body 1 and is adapted to dust blowing of the dust-proof piece 3. It will be appreciated that the nacelle 4 may be rotatable relative to the nacelle 4 in order to correspond to the drive end of the nacelle 4. The air guide sleeve comprises a sleeve body 1, the windward end of the sleeve body 1 is the left end in the figure 1, and the leeward end of the sleeve body 1 is the right end. Install blade 2 on the cover body 1, the number of blade 2 can set up according to the actual size of the cover body 1, in this embodiment, evenly sets up three blade 2 along the circumference of the cover body 1, realizes the guide air current reposition of redundant personnel effect, and then drives the cover body 1 and rotates.
Further, the periphery side of the driving end of the cover body 1 is provided with the dust-proof piece 3, so that the gap between the cover body 1 and the engine room 4 is covered, that is, the dust-proof piece 3 is of a cylindrical structure, covers the driving end of the cover body 1, and covers the gap between the cover body 1 and the engine room 4, so that the blocking of dust is realized, and the dust is prevented from falling into the gap. Meanwhile, the dust-proof piece 3 and the cover body 1 synchronously rotate, so that the dust-proof piece 3 can clean gaps, and the safe operation of the wind generating set is guaranteed.
Furthermore, an air guide pipe is arranged in the cover body 1, an air inlet of the air guide pipe is arranged at the windward end of the cover body 1, a jet orifice 10 of the air guide pipe is arranged at the leeward end of the cover body 1 opposite to the windward end of the cover body 1, and the jet orifice 10 of the air guide pipe is arranged towards the dust-proof piece 3 and deviates from the axial direction of the cover body 1. It can be understood that the cover 1 is provided with an air guide pipe therein for guiding the air flow from the windward end of the cover 1 to the leeward end of the cover 1. The air inlet of the air guide pipe is arranged at the windward end of the cover body 1, and is inclined in order to be matched with the profile structure of the windward end of the cover body 1, so that air is guided and sucked into the air guide pipe.
Furthermore, the jet orifice 10 of the air guide pipe is arranged towards the dustproof piece 3 and jets air in the direction deviating from the axis of the cover body 1, so that the dust blowing cleaning effect on the dustproof piece 3 is realized, the dust on the dustproof piece 3 is blown away by the air guided by the air guide pipe, and the dustproof effect is further improved.
It should be noted that the gas flows along the wind-facing end to the lee-facing end of the cover body 1 in the wind guide pipe, and when the gas flows to the jet orifice 10 of the wind guide pipe, the flow direction of the gas is guided to be radial to the wind-facing end of the cover body 1, and the gas is jetted toward the dust-proof member 3 away from the axis of the cover body 1.
It should be further noted that the air guide pipe is attached to the inner side wall of the cover body 1, so as to ensure that the assembly of the air guide sleeve and the nacelle 4 is not affected. The air duct may be disposed in the interlayer cavity of the cover 1.
According to the air guide sleeve for the wind generating set, the air guide pipe comprises the accelerating pipe and the jet pipe 9 which are connected in series, the accelerating pipe comprises the first accelerating pipe 7 and the second accelerating pipe 8 which are connected in series, the air inlet of the first accelerating pipe 7 is the air inlet of the air guide pipe, the air outlet of the second accelerating pipe 8 is connected with the air inlet of the jet pipe 9, and the air outlet of the jet pipe 9 is the jet orifice 10 of the air guide pipe. It can be understood that the accelerating tube is used for accelerating the gas introduced by diversion, and the accelerated gas flow is ejected from the air outlet of the ejecting tube 9, so that the ejected gas has sufficient cleaning granularity for the dust-proof member 3, and dust adhesion is prevented.
Specifically, the accelerating tube comprises a first accelerating tube 7 and a second accelerating tube 8 which are connected in series in sequence, airflow enters from an air inlet of the first accelerating tube 7, namely an air inlet of the air guide tube, is exhausted from an air outlet of the first accelerating tube 7 after being accelerated by the first stage of the first accelerating tube 7, and enters into the second accelerating tube 8 from an air inlet of the second accelerating tube 8 for second-stage acceleration, the gas is exhausted from an air outlet of the second accelerating tube 8 after being accelerated by the second accelerating tube 8, and enters into the injection tube 9 from an air inlet of the injection tube 9 for third-stage acceleration, and the gas after being accelerated by the injection tube 9 is injected from an air outlet of the injection tube 9, namely an injection port 10 of the air guide tube.
It should be noted that, in the present embodiment, an example of performing three-stage acceleration on the gas in the air guide duct is given, but the present invention is not limited to performing only three-stage acceleration, and an acceleration setting manner that is greater than three stages or less than three stages may also be adopted.
According to the air guide sleeve for the wind generating set, the first accelerating tube 7 is a Venturi tube, the second accelerating tube 8 is a Tesla valve array spiral tube, and the injection tube 9 is a Laval nozzle. It will be appreciated that the first accelerating tube 7 is a venturi tube, and the air flow is accelerated in one stage based on the venturi principle. The second accelerating tube 8 adopts a coil of a Tesla valve array, and as shown in FIG. 4, the gas flow is accelerated in two stages based on the Tesla valve principle. The jet pipe 9 adopts a Laval nozzle, three-stage acceleration is carried out on the airflow based on the principle of the Laval nozzle, and finally the airflow after the three-stage acceleration is jetted by an air outlet of the Laval nozzle.
According to the air guide sleeve for the wind generating set, the air inlet of the air guide pipe is provided with the filter screen 6. It can be understood that the air inlet of the air guide pipe is provided with the filter screen 6, so that the air entering the air guide pipe is filtered, larger foreign matters are filtered, and the smoothness and cleanness in the air guide pipe are ensured.
According to the air guide sleeve for the wind generating set, a plurality of air guide pipes are arranged and are uniformly distributed along the circumferential direction of the inner side wall of the cover body 1. It can be understood that, in order to improve the cleaning effect to the dust-proof component 3, increase the intake, the guide duct sets up a plurality ofly, and a plurality of guide ducts evenly arrange along the circumference of the inside wall of the cover body 1. Each air guide pipe corresponds to one air inlet, and the plurality of air guide pipes share one jet orifice 10, namely, the air guide pipes respectively introduce gas, and respectively carry out three-stage acceleration on the gas in the pipes, and the gas after the three-stage acceleration is converged into one jet orifice 10 and is jetted to the dustproof piece 3.
According to the air guide sleeve for the wind generating set, the leeward end of the cover body 1 is provided with the air guide groove, the air guide groove is annular, the air guide groove is provided with the air inlets which are correspondingly connected with the air outlets of the air guide pipes one by one, and the air outlets of the air guide groove are arranged towards the dustproof piece 3. It can be understood that the wind guide groove is arranged at the assembling end of the cover body 1 and is annularly arranged. The air outlets of the air guide pipes are connected with the air inlets at the bottom of the air guide groove, so that the air guided and accelerated by the air guide pipes is input into the air guide groove to be collected. The air outlet of wind-guiding groove is towards dust keeper 3, the realization is with the even hoop of wind that collects to the inboard of dust keeper 3, form the cover to the inboard of dust keeper 3, realize spouting high-speed gas towards dust keeper 3, form and spray the circle, the high-speed gas that realizes the guide duct injection carries out comprehensive cleanness to dust keeper 3, make the all sides of the interior week of dust keeper 3 all have high-speed gas to clear up dust keeper 3, improve the clearance effect to dust keeper 3.
According to the wind deflector for the wind generating set, the dustproof piece 3 is a dustproof brush, the installation end of the dustproof brush is connected with the circumferential direction of the outer side wall of the leeward end of the cover body 1, and the free end of the dustproof brush extends along the direction departing from the leeward end of the cover body 1 and covers the gap between the cover body 1 and the engine room 4. It is understood that the dust-proof member 3 is a dust-proof brush in this embodiment. The installation end of the dustproof brush is fixedly installed on the circumferential direction of the outer side wall of the leeward end of the cover body 1, and a circumferential ring is formed on the assembly end of the cover body 1. The free end of the dustproof brush extends towards the direction of the engine room 4, namely deviates from the direction of the leeward end of the cover body 1, the cover of the gap between the cover body 1 and the engine room 4 is achieved, and then dust is effectively prevented from falling into the gap between the cover body 1 and the engine room 4, meanwhile, the dustproof brush and the cover body 1 rotate synchronously, the free end of the dustproof brush can clean the gap between the cover body 1 and the engine room 4, and the dustproof effect is improved.
It should be noted that the attachment end of the dust brush may be connected to the circumferential direction of the outer wall of the nacelle 4, and the free end of the dust brush may extend in the direction close to the cover 1 and cover the gap between the cover 1 and the nacelle 4.
According to the air guide sleeve for the wind generating set, the dustproof brush is provided with the multiple layers of brush wires which are arranged in a staggered mode. It can be understood that, in order to improve the dust-proof effect of the dust-proof brush, the dust-proof brush is provided with a plurality of layers of brush filaments. The multilayer brush silk is crisscross arranges, improves and shelters from the effect, and then improves dustproof effect.
In one embodiment, the dust-proof member 3 may also be a dust-proof cloth or a dust-proof net.
In one embodiment, the mounting end of the dust shield 3 may also be mounted to the circumferential side of the nacelle 4.
The utility model also provides a wind power generation device, which comprises a cabin 4, a tower 5 and the wind deflector for the wind power generation unit, wherein the cabin 4 is correspondingly assembled and connected with the wind deflector, and the tower 5 is assembled and connected with the bottom side of the cabin 4. It will be appreciated that the nacelle 4 is mounted coaxially with respect to the nacelle 5, and the tower 5 is used to support the nacelle 4 and the nacelle 4, i.e. the nacelle 4 is mounted on top of the tower 5.
The utility model provides a wind deflector for a wind generating set and a wind generating set, which are used for being assembled corresponding to a cabin and comprise a cover body, wherein the cover body is provided with a dustproof piece, the dustproof piece covers a gap between the cover body and the cabin, a wind guide pipe is arranged in the cover body, an air inlet of the wind guide pipe is arranged at the windward end of the cover body, a jet orifice of the wind guide pipe is arranged at the leeward end of the cover body and is matched with dust blowing of the dustproof piece, the dustproof piece is arranged to achieve the protection effect on the gap between the cover body and the cabin and prevent foreign matters such as dust from entering and accumulating, the dust blowing effect on the dustproof piece through the wind guide pipe achieves the dust blowing effect on the dustproof piece, meanwhile, the cleaning and automatic cleaning of the gap can be achieved, and the safe operation of the wind generating set can be guaranteed.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The air guide sleeve for the wind generating set is assembled with a cabin correspondingly and is characterized by comprising a cover body, wherein the cover body is provided with a dustproof piece, the dustproof piece covers a gap between the cover body and the cabin, an air guide pipe is arranged in the cover body, an air inlet of the air guide pipe is arranged at the windward end of the cover body, and a jet orifice of the air guide pipe is arranged at the leeward end of the cover body and matched with dust blowing of the dustproof piece.
2. The air guide sleeve for the wind generating set according to claim 1, wherein the jet orifice of the air guide pipe is arranged towards the dust-proof piece and deviates from the axial direction of the cover body.
3. The air guide sleeve for the wind generating set according to claim 1, wherein the air guide pipe comprises a first accelerating pipe and a second accelerating pipe which are connected in series, the accelerating pipe comprises a first accelerating pipe and a second accelerating pipe which are connected in series, an air inlet of the first accelerating pipe is an air inlet of the air guide pipe, an air outlet of the second accelerating pipe is connected with an air inlet of the jet pipe, and an air outlet of the jet pipe is a jet orifice of the air guide pipe.
4. The wind deflector of claim 3, wherein the first accelerating tube is a Venturi tube, the second accelerating tube is a Tesla valve array spiral tube, and the jet tube is a Laval nozzle.
5. The air guide sleeve for the wind generating set according to claim 1, wherein the air inlet of the air guide pipe is provided with a filter screen.
6. The air guide sleeve for the wind generating set according to claim 1, wherein a plurality of air guide pipes are arranged, and are uniformly distributed along the circumferential direction of the inner side wall of the cover body.
7. The wind deflector of claim 6, wherein the leeward end of the hood body is provided with an air guiding groove, the air guiding groove is annular, the air guiding groove is provided with air inlets connected with the air outlets of the air guiding pipes in a one-to-one correspondence manner, and the air outlets of the air guiding groove face the dust-proof member.
8. The wind deflector of claim 1, wherein the dust-proof member is a dust-proof brush, the mounting end of the dust-proof brush is circumferentially connected to the outer sidewall of the leeward end of the cover, and the free end of the dust-proof brush extends in a direction away from the leeward end of the cover and covers a gap between the cover and the nacelle.
9. The wind deflector of claim 8, wherein the dust brush comprises a plurality of layers of brush filaments, and the plurality of layers of brush filaments are arranged in a staggered manner.
10. A wind power plant, characterized by comprising a nacelle, a tower and a wind deflector for a wind power plant according to any of claims 1 to 9, wherein the nacelle is correspondingly assembled and connected with the wind deflector, and the tower is assembled and connected with the bottom side of the nacelle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220012665.4U CN216642337U (en) | 2022-01-05 | 2022-01-05 | Wind deflector for wind generating set and wind power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220012665.4U CN216642337U (en) | 2022-01-05 | 2022-01-05 | Wind deflector for wind generating set and wind power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216642337U true CN216642337U (en) | 2022-05-31 |
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ID=81723712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220012665.4U Active CN216642337U (en) | 2022-01-05 | 2022-01-05 | Wind deflector for wind generating set and wind power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216642337U (en) |
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2022
- 2022-01-05 CN CN202220012665.4U patent/CN216642337U/en active Active
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