CN218953485U - Omnidirectional energy-taking self-protection wind turbine impeller - Google Patents
Omnidirectional energy-taking self-protection wind turbine impeller Download PDFInfo
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- CN218953485U CN218953485U CN202320171391.8U CN202320171391U CN218953485U CN 218953485 U CN218953485 U CN 218953485U CN 202320171391 U CN202320171391 U CN 202320171391U CN 218953485 U CN218953485 U CN 218953485U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The utility model discloses an omnidirectional energy-taking self-protection wind turbine impeller, which relates to the technical field of wind turbine impellers and improves the wind energy utilization rate and the power generation quality of a wind turbine.
Description
Technical Field
The utility model relates to the technical field of wind turbine impellers, in particular to an omnidirectional energy-taking self-protection wind turbine impeller.
Background
Under the background of the improvement of international environmental awareness and the development and utilization of new energy, various countries put more and more efforts in the development of renewable energy sources, and wind energy has the characteristics of huge reserves, low use cost, cleanness, no pollution and the like, and has great advantages among a plurality of renewable energy sources.
The stable moving vehicles such as trains and the like have stable wind force fields, and stable current output can be obtained only by installing the wind turbine on the outer surface of the train, so that the stable moving vehicles are ideal running environments of the wind turbine. Therefore, the wind turbine arranged on the motor car or the train can supply power for GPS continuously and periodically, can be combined with a logistics system, and meets the higher requirements of people on freight information.
The impeller design directly influences the wind energy utilization rate and the power generation quality of the wind driven generator. On one hand, in order to improve the wind energy utilization rate, it is necessary to design a wind turbine impeller which can take energy in all wind directions; on the other hand, the running speed range of the vehicle is large, the wind turbine impeller can be started at a low wind speed, and a self-protection function is provided at a high wind speed, so that the generated power does not exceed the rated power of the wind turbine.
Disclosure of Invention
In view of the above-mentioned problems, an object of the present utility model is to provide an omni-directional energy-taking self-protection wind turbine impeller, which can take energy in the full wind direction and simultaneously provide self-protection function for the wind turbine at high wind speeds.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an omnidirectional energy-taking self-protection wind turbine impeller which is arranged on a wind turbine base of a wind turbine generator, wherein the omnidirectional energy-taking self-protection wind turbine impeller comprises: the centrifugal turbine 1 and the double-layer S-shaped wind wheel 2 are arranged on the upper layer, the centrifugal turbine 1 and the double-layer S-shaped wind wheel 2 are coaxially arranged and connected with each other, the central shaft of the centrifugal turbine 1 and the double-layer S-shaped wind wheel 2 is provided with a mounting through hole for mounting a rotating shaft, the centrifugal turbine 1 is used for receiving wind power on the upper side of the wind turbine impeller, and the double-layer S-shaped wind wheel 2 is used for receiving wind power on the circumference of the wind turbine impeller.
The omnidirectional energy-taking self-protection wind turbine impeller, wherein the double-layer S-shaped wind wheel 2 comprises: a partition plate 21 and S-shaped blades, which are respectively installed at the upper and lower sides of the partition plate 21.
The omnidirectional energy-taking self-protection wind turbine impeller comprises two arc-shaped blades 24, wherein the two arc-shaped blades 24 are arranged around the central axis center of the double-layer S-shaped wind wheel 2 in a central symmetry manner, and the end part of each arc-shaped blade 24, which is far away from the central axis of the double-layer S-shaped wind wheel 2, is positioned on the same vertical plane with the central axis of the double-layer S-shaped wind wheel 2.
The omnidirectional energy-taking self-protection wind turbine impeller is characterized in that a vertical plane where the end parts of the arc-shaped blades 24 which are positioned on the upper side of the partition plate 21 and far away from the central axis of the double-layer S-shaped wind wheel 2 are positioned is perpendicular to a vertical plane where the end parts of the arc-shaped blades 24 which are positioned on the lower side of the partition plate 21 and far away from the central axis of the double-layer S-shaped wind wheel 2 are positioned.
The omnidirectional energy-taking self-protection wind turbine impeller, wherein the double-layer S-shaped wind wheel 2 further comprises: a top plate 22 and a bottom plate 23, wherein the top plate 22 is connected with the S-shaped blades positioned on the upper side of the partition plate 21, and the bottom plate 23 is connected with the S-shaped blades positioned on the lower side of the partition plate 21.
The above-mentioned omnidirectionally get can self preservation protects wind turbine wheel, wherein, centrifugal turbine 1 includes: the cambered surface blades 11 are obliquely arranged, and the cambered surface blades 11 are all arranged on the top plate 22.
The omnidirectional energy-taking self-protection wind turbine impeller is characterized in that a plurality of cambered surface blades 11 are arranged at equal intervals circumferentially around the central axis of the centrifugal turbine 1.
The omnidirectional energy-taking self-protection wind turbine impeller is characterized in that the concave direction of the two arc-shaped blades 24 of the S-shaped blades, which are positioned on the upper side of the partition plate 21, around the central axis of the double-layer S-shaped wind wheel 2 is the same as the concave direction of the two arc-shaped blades 24 of the S-shaped blades, which are positioned on the lower side of the partition plate 21, around the central axis of the double-layer S-shaped wind wheel 2.
The omnidirectional energy-taking self-protection wind turbine impeller is characterized in that the inclination direction of a plurality of cambered surface blades 11 around the central axis of the centrifugal turbine 1 is the same as the inward concave direction of a plurality of cambered surface blades 24 of the double-layer S-shaped wind wheel 2 around the central axis of the double-layer S-shaped wind wheel 2.
The omnidirectional energy-taking self-protection wind turbine impeller is characterized in that the top plate 22, the partition plate 21 and the bottom plate 23 are respectively provided with a mounting through hole for mounting a rotating shaft.
The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:
(1) In the utility model, the upper part of the wind turbine impeller is a centrifugal turbine, the lower part of the wind turbine impeller is a double-layer S-shaped wind wheel, the centrifugal turbine is used for receiving wind power positioned on the upper side of the wind turbine impeller, and the double-layer S-shaped wind wheel is used for receiving wind power positioned on the periphery of the wind turbine impeller, so that the wind turbine can work normally when the wind blows from all directions;
(2) In the utility model, the upper part of the wind turbine impeller is a centrifugal turbine, and the centrifugal turbine increases resistance at high wind speed and can provide self-protection function for the wind turbine;
(3) In the utility model, the lower part of the impeller of the wind turbine is provided with the double-layer S-shaped wind wheel, so that the S-shaped wind wheel has high wind energy utilization rate, and the wind turbine can be ensured to work normally at low wind speed.
Drawings
Fig. 1 is a schematic structural view of an omni-directional energy-taking self-protection wind turbine impeller of the present utility model.
FIG. 2 is a diagram of an embodiment of an omni-directional energy-capturing self-protecting wind turbine wheel according to the present utility model.
In the accompanying drawings: 1. a centrifugal turbine; 11. cambered surface blades; 2. double-layer S-shaped wind wheels; 21. a partition plate; 22. a top plate; 23. a bottom plate; 24 arc-shaped blades.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Referring to fig. 1 to 2, there is shown an omni-directional energy-taking self-protecting wind turbine impeller mounted on a wind turbine base of a wind turbine, wherein the wind turbine impeller comprises: the centrifugal turbine 1 and the double-layer S-shaped wind wheel 2 are arranged on the upper layer, the centrifugal turbine 1 and the double-layer S-shaped wind wheel 2 are coaxially arranged and connected with each other, the central shaft of the centrifugal turbine 1 and the double-layer S-shaped wind wheel 2 is provided with a mounting through hole for mounting a rotating shaft, the centrifugal turbine 1 is used for receiving wind power on the upper side of the wind turbine impeller, and the double-layer S-shaped wind wheel 2 is used for receiving wind power on the circumference of the wind turbine impeller.
Further, in a preferred embodiment, the double-layered S-shaped wind wheel 2 comprises: a partition plate 21 and S-shaped blades, which are respectively installed at the upper and lower sides of the partition plate 21.
Further, in a preferred embodiment, each S-shaped blade is composed of two arc-shaped blades 24, the two arc-shaped blades 24 are arranged in a central symmetry manner around the central axis of the double-layer S-shaped wind wheel 2, and the end part of each arc-shaped blade 24, which is far away from the central axis of the double-layer S-shaped wind wheel 2, is located on the same vertical plane with the central axis of the double-layer S-shaped wind wheel 2.
Further, in a preferred embodiment, the vertical plane at which the ends of the curved blades 24 located on the upper side of the partition plate 21 are away from the central axis of the double-layer S-shaped wind wheel 2 is perpendicular to the vertical plane at which the ends of the curved blades 24 located on the lower side of the partition plate 21 are located away from the central axis of the double-layer S-shaped wind wheel 2.
Further, in a preferred embodiment, the double-layered S-shaped wind wheel 2 further comprises: the top plate 22 is connected with the S-shaped blades positioned on the upper side of the partition plate 21, and the bottom plate 23 is connected with the S-shaped blades positioned on the lower side of the partition plate 21.
Further, in a preferred embodiment, the centrifugal turbine 1 comprises: a plurality of cambered surface blades 11 that slope set up, a plurality of cambered surface blades 11 are all installed on roof 22.
Further, in a preferred embodiment, a plurality of cambered vanes 11 are circumferentially equally spaced about the central axis of the centrifugal turbine 1.
Further, in a preferred embodiment, the two curved blades 24 of the S-shaped blades located at the upper side of the partition plate 21 are concave in the same direction around the central axis of the double-layer S-shaped wind wheel 2 as the two curved blades 24 of the S-shaped blades located at the lower side of the partition plate 21 are concave in the same direction around the central axis of the double-layer S-shaped wind wheel 2.
Further, in a preferred embodiment, the pitch direction of the cambered vanes 11 about the central axis of the centrifugal turbine wheel 1 is the same as the concave direction of the cambered vanes 24 of the double layer S-shaped wind wheel 2 about the central axis of the double layer S-shaped wind wheel 2.
Further, in a preferred embodiment, the top plate 22, the partition plate 21 and the bottom plate 23 are provided with mounting through holes for mounting the rotating shafts.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the utility model, an omnidirectional energy-taking self-protection wind turbine impeller is characterized in that the impeller wind-receiving structure of the impeller is composed of two parts, wherein the upper part is a centrifugal turbine 1, and the lower part is a double-layer S-shaped wind wheel 2.
In a further embodiment of the utility model, the upper part captures wind energy by the centrifugal turbine 1, and rotates to generate mechanical energy after the upper side receives the wind, so as to drive a motor connected with the impeller to rotate to generate electricity, thereby generating electric energy; the lower part captures wind energy by a double-layer S-shaped wind wheel 2, rotates to generate mechanical energy after receiving wind in the circumferential direction, and drives a motor connected with an impeller to rotate to generate electricity to generate electric energy; the two layers of S-shaped blades of the double-layer S-shaped wind wheel 2 are arranged at an intersecting angle of 90 degrees, so that the wind turbine has good starting performance when wind blows from all directions perpendicular to the rotating shaft.
In a further embodiment of the utility model, the advantages are: the structure is simple, the carrying and the installation are convenient, and the normal starting can be realized under the condition of low wind speed; the occupied height is small, and the vehicle is suitable for being arranged at the top and the tail of a carriage and is used for supplying power to the vehicle interior without influencing the traffic of vehicles; the double-layer S-shaped wind wheel 2 and the top centrifugal turbine 1 are combined, so that the wind turbine can work normally when wind blows from all directions; the centrifugal turbine 1 increases resistance at high wind speeds and can provide self-protection for the wind turbine.
In a further embodiment of the present utility model, fig. 1 is a schematic view of the appearance of the omni-directional energy-taking self-protection wind turbine impeller of the present utility model, wherein the impeller is divided into two parts, the lower part is a double-layer S-shaped wind wheel 2, the upper part is a centrifugal turbine 1, and the two lower layers of S-shaped blades are arranged at an intersection angle of 90 degrees.
In a further embodiment of the present utility model, as shown in fig. 1, an omni-directional energy-taking self-protecting wind turbine impeller is a combined impeller, and includes an upper portion and a lower portion. The upper part is a centrifugal turbine 1, and the lower part is a double-layer S-shaped wind wheel 2. The central shaft of the impeller is connected with the generator for use, the overall structure of the wind turbine is 200mm high, and the diameter is 150mm. The S-shaped blade layer at the bottom layer is 57mm in height, the S-shaped blade layer at the middle layer is 50mm in height, and the centrifugal turbine 1 at the top layer is 75mm in height; the lowest layer is a wind turbine base and comprises a generator and matched circuit elements such as rectification, voltage stabilization and the like.
In a further embodiment of the utility model, the upper layer is a centrifugal turbine 1, ensuring that the wind turbine is still operational when wind is blowing from the uppermost side. The lower part captures wind energy by the double-layer S-shaped wind wheel 2, rotates to generate mechanical energy after receiving wind, and drives a motor connected with the impeller to generate electricity to generate electric energy. The two layers of S-shaped wind wheels are arranged at an intersection angle of 90 degrees, so that the wind turbine has good starting performance when wind blows from all directions perpendicular to the rotating shaft. The combined structural design ensures that the wind turbine can work normally when wind blows from all directions.
In a further embodiment of the utility model, at low wind speed, the S-shaped wind wheel has high wind energy utilization rate, and the centrifugal turbine does not influence the wind energy utilization rate of the wind turbine; when the wind speed exceeds the rated design wind speed, the centrifugal turbine 1 generates resistance, so that the rotating speed of the wind wheel can be automatically stabilized, the impeller of the wind turbine is prevented from rotating too fast, and the power generation power does not exceed the rated power of the wind turbine.
In a further embodiment of the utility model, the wind turbine using the impeller of the utility model can realize the power generation of one tenth watt level at the wind speed of more than 20km/h, the power generation of one watt level at the wind speed of more than 42km/h and the power generation of seven watts at the wind speed of 80 km/h. The wind turbine using the impeller has low requirements on the installation position and angle, simple structure, easy manufacturing and processing, low cost and good durability.
In a further embodiment of the utility model, the impeller is a combined impeller, the upper part impeller is a centrifugal turbine, the lower part impeller is a double-layer S-shaped wind wheel, and the lower two layers of impellers are arranged at an intersection angle of 90 degrees;
in a further embodiment of the utility model, when the wind force is too high, the rotating speed of the impeller is too high, so that the fan is unstable, and the centrifugal turbine 1 can play a role in decelerating, and the rotating resistance of the impeller is increased.
In a further embodiment of the utility model, the lower layer adopts the double-layer S-shaped wind wheel 2 with two S-shaped blades which are positioned on the vertical plane and are mutually perpendicular, each S-shaped blade consists of two arc-shaped blades 24 which are arranged in a central symmetry manner, the wind wheel with a single-layer multi-blade is replaced, the whole quality of the wind wheel is effectively reduced, meanwhile, the windward area of each layer of the double-layer S-shaped wind wheel 2 is increased, the wind energy utilization rate is high, the double-layer S-shaped wind wheel 2 can be driven to rotate by wind energy under the condition of low wind speed, meanwhile, the double-layer S-shaped wind wheel 2 adopts the arc-shaped blades 24 instead of a paddle type design, the windward resistance is increased, and the phenomenon that the double-layer S-shaped wind wheel 2 rotates at too high wind speed to cause instability of the wind machine is avoided.
In a further embodiment of the utility model, the upper layer adopts the centrifugal turbine 1 with a plurality of cambered surface blades 11 which are obliquely arranged, when wind power blows the centrifugal turbine 1 from top to bottom, deflection force can be generated due to the oblique arrangement of the cambered surface blades 11 of the centrifugal turbine 1, so that the centrifugal turbine 1 rotates, the cambered surface blades 11 of the centrifugal turbine 1 adopt the cambered surface design, the wind receiving area is increased, the utilization rate of wind energy is high, and the centrifugal turbine can rotate under the condition of low wind speed; meanwhile, under the action of circumferential high-wind-speed wind force, the rotating speed of the wind turbine impeller is high, a plurality of cambered surface blades 11 of the centrifugal turbine 1 are subjected to extremely high air resistance in the process of telling rotation, the acceleration of the wind turbine impeller is restrained, and the phenomenon that the wind turbine impeller rotates too fast to cause instability of a fan is avoided.
In a further embodiment of the utility model, the deflection direction of the cambered surface blades 11 of the centrifugal turbine 1 is the same as the concave direction of the cambered surface blades 24 of the double-layer S-shaped wind wheel 2, so that the situation that the centrifugal turbine 1 and the double-layer S-shaped wind wheel 2 interfere with each other in the running process of the wind turbine impeller and the rotation direction of the wind turbine impeller is different under the respective actions of the centrifugal turbine 1 and the double-layer S-shaped wind wheel 2 is avoided.
In a further embodiment of the utility model, the external shell of the wind turbine impeller is in a net-shaped structure with smaller wind resistance, so that the situation that the shell blocks wind power from entering in a large area to influence the operation of the wind turbine impeller is avoided.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (10)
1. The utility model provides an omnidirectionally get can self preservation protects wind turbine impeller, this wind turbine impeller installs on wind turbine base of aerogenerator, its characterized in that includes: the centrifugal turbine (1) located on the upper layer and the double-layer S-shaped wind wheel (2) located on the lower layer are coaxially arranged and connected with each other, mounting through holes for mounting a rotating shaft are formed in the center shafts of the centrifugal turbine (1) and the double-layer S-shaped wind wheel (2), the centrifugal turbine (1) is used for receiving wind power located on the upper side of the wind turbine impeller, and the double-layer S-shaped wind wheel (2) is used for receiving wind power located on the periphery of the wind turbine impeller.
2. The omnidirectional energy-extracting self-protecting wind turbine impeller of claim 1, wherein the double-layer S-shaped wind wheel (2) comprises: the device comprises a partition plate (21) and S-shaped blades, wherein the two S-shaped blades are respectively arranged on the upper side and the lower side of the partition plate (21).
3. The omnidirectional energy-taking self-protection wind turbine impeller according to claim 2, wherein each S-shaped blade consists of two arc-shaped blades (24), the two arc-shaped blades (24) are arranged in a central symmetry mode around the central axis of the double-layer S-shaped wind wheel (2), and the end portion, far away from the central axis of the double-layer S-shaped wind wheel (2), of each arc-shaped blade (24) is located on the same vertical plane with the central axis of the double-layer S-shaped wind wheel (2).
4. An omnidirectional energy-extracting self-protecting wind turbine impeller according to claim 3, wherein the vertical plane of the end part of the arc-shaped blade (24) which is positioned on the upper side of the partition plate (21) and is far away from the central axis of the double-layer S-shaped wind wheel (2) is perpendicular to the vertical plane of the end part of the arc-shaped blade (24) which is positioned on the lower side of the partition plate (21) and is far away from the central axis of the double-layer S-shaped wind wheel (2).
5. The omnidirectional energy-extracting self-protecting wind turbine impeller of claim 2, wherein the double-layer S-shaped wind wheel (2) further comprises: the top plate (22) is connected with the S-shaped blades positioned on the upper side of the partition plate (21), and the bottom plate (23) is connected with the S-shaped blades positioned on the lower side of the partition plate (21).
6. The omnidirectional energy-extracting self-protecting wind turbine impeller of claim 5, wherein the centrifugal turbine (1) comprises: a plurality of cambered surface blades (11) which are obliquely arranged, and a plurality of cambered surface blades (11) are all arranged on the top plate (22).
7. The omnidirectional energy-extracting self-protecting wind turbine impeller according to claim 6, wherein a plurality of cambered surface blades (11) are circumferentially and equidistantly arranged around the central axis of the centrifugal turbine (1).
8. The omnidirectional energy-extracting self-protecting wind turbine impeller of claim 7, wherein the concave direction of the two arc-shaped blades (24) of the S-shaped blade positioned on the upper side of the partition plate (21) around the central axis of the double-layer S-shaped wind wheel (2) is the same as the concave direction of the two arc-shaped blades (24) of the S-shaped blade positioned on the lower side of the partition plate (21) around the central axis of the double-layer S-shaped wind wheel (2).
9. The omnidirectional energy-extracting self-protecting wind turbine impeller according to claim 8, wherein the inclination direction of a plurality of cambered blades (11) around the central axis of the centrifugal turbine (1) is the same as the inward concave direction of a plurality of cambered blades (24) of the double-layer S-shaped wind wheel (2) around the central axis of the double-layer S-shaped wind wheel (2).
10. The omnidirectional energy-taking self-protection wind turbine impeller according to claim 5, wherein the top plate (22), the partition plate (21) and the bottom plate (23) are respectively provided with a mounting through hole for mounting a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320171391.8U CN218953485U (en) | 2023-01-17 | 2023-01-17 | Omnidirectional energy-taking self-protection wind turbine impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320171391.8U CN218953485U (en) | 2023-01-17 | 2023-01-17 | Omnidirectional energy-taking self-protection wind turbine impeller |
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| Publication Number | Publication Date |
|---|---|
| CN218953485U true CN218953485U (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320171391.8U Active CN218953485U (en) | 2023-01-17 | 2023-01-17 | Omnidirectional energy-taking self-protection wind turbine impeller |
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|---|---|
| CN (1) | CN218953485U (en) |
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2023
- 2023-01-17 CN CN202320171391.8U patent/CN218953485U/en active Active
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