CN209800165U - Vertical stator-free breeze generator - Google Patents
Vertical stator-free breeze generator Download PDFInfo
- Publication number
- CN209800165U CN209800165U CN201822089485.2U CN201822089485U CN209800165U CN 209800165 U CN209800165 U CN 209800165U CN 201822089485 U CN201822089485 U CN 201822089485U CN 209800165 U CN209800165 U CN 209800165U
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- China
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- fan blade
- upper fan
- tray
- circular flange
- flange gasket
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- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
vertical stator-free breeze generator, comprising: the device comprises a first circular flange gasket, a clockwise rotating upper fan blade, a disc type stator-free power generation mechanism, a second circular flange gasket, an anticlockwise rotating lower fan blade, a third circular flange gasket, a collecting ring, an electric brush and an electric brush support, wherein the first circular flange gasket, the clockwise rotating upper fan blade, the disc type stator-free power generation mechanism, the second circular flange gasket, the anticlockwise rotating lower fan blade, the third circular flange gasket and the collecting ring are sequentially sleeved on a through shaft from top to bottom; the first circular flange gasket, the second circular flange gasket and the third circular flange gasket are arranged in parallel; the advantages are that: firstly, the safety problem caused by unstable gravity center of the wind turbine is avoided; no fan blade falls off; secondly, the utility model is divided into an upper part and a lower part, which can provide higher relative speed than other wind-driven generators and improve the subsequent conversion and utilization efficiency; thirdly, magnetic field eddy current is reduced, and induction intensity is enhanced; moreover, the size of the generator can be reduced, and the maintenance is convenient.
Description
Technical Field
the utility model belongs to the technical field of wind power generation technique and specifically relates to a vertical stator-free breeze power generator.
background
the earth is faced with the problems of energy exhaustion, global warming and the like at present, and the increasing energy demand and energy safety problems are concerned by countries in the world.
the existing generator can move only under a certain wind speed, is easily influenced by wind direction change, and has low working efficiency; meanwhile, the structure is complex, the maintenance is not easy, the pollution is large, the noise is large in the working process of the motor, and the cost is low, so that how to design the generator for solving the technical problems is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical defect, the utility model provides a through the combination design of upper and lower flabellum and disk no stator mechanism, the simple structure of constitution, require lowly to the wind speed, and efficient vertical no stator breeze-driven generator.
vertical stator-free breeze generator, comprising: the device comprises a first circular flange gasket, a clockwise rotating upper fan blade, a disc type stator-free power generation mechanism, a second circular flange gasket, an anticlockwise rotating lower fan blade, a third circular flange gasket, a collecting ring, an electric brush and an electric brush support, wherein the first circular flange gasket, the clockwise rotating upper fan blade, the disc type stator-free power generation mechanism, the second circular flange gasket, the anticlockwise rotating lower fan blade, the third circular flange gasket and the collecting ring are sequentially sleeved on a through shaft from top to bottom; the first circular flange gasket, the second circular flange gasket and the third circular flange gasket are arranged in parallel;
The clockwise rotating upper fan blade comprises a first upper fan blade, a second upper fan blade and four D-shaped upper fan blades, wherein the cross sections of the first upper fan blade and the second upper fan blade are semicircular and are not connected, and two ends of the first upper fan blade, the second upper fan blade and the D-shaped upper fan blade are respectively and vertically arranged with the first circular flange gasket and the third circular flange gasket, so that the first upper fan blade and the second upper fan blade are equidistantly distributed on two sides of a through shaft by taking the through shaft as the center, and the opening directions of the first upper fan blade and the second upper fan blade are opposite; the four D-shaped upper fan blades are uniformly distributed along the first circular flange gasket, are positioned on the outer sides of the first upper fan blade and the second upper fan blade and are not connected with each other; the structure of the anticlockwise rotating lower blade is the same as that of the clockwise rotating upper blade.
Vertical stator-free breeze generator has the advantages that:
Firstly, the safety problem caused by unstable gravity center of the wind turbine is avoided due to the structural characteristics of the vertical shaft of the generator; no fan blade falls off;
Secondly, the utility model discloses the generator divide into upper and lower two parts, and when wind swept wind turbine, upper and lower flabellum will counter-rotate for when low wind speed, because upper and lower flabellum reverse work, can provide higher relative speed than other aerogenerator, thereby can output higher voltage, improve subsequent conversion utilization efficiency;
Thirdly, the upper fan blade and the lower fan blade form an unconnected S shape on the cross section of the through shaft, so that the starting wind speed is effectively reduced; moreover, the D-shaped upper fan blade can reduce the occurrence of stall phenomenon, so that when the S-shaped fan blade is in low wind speed, the D-shaped fan blade is pushed to move, the D-shaped fan blade and the S-shaped fan blade are combined for use, and the wind energy utilization rate can be improved;
The installation mode of the magnets in the disc type stator-free power generation mechanism can reduce the occurrence of magnetic field eddy currents and enhance the induction intensity; moreover, the upper tray and the lower tray are in a laminated structure, so that the size of the generator can be reduced, the maintenance is convenient, and the later application and popularization are facilitated;
the combination of the electric brush, the collecting ring and the like with the upper fan blade and the lower fan blade relates to that when the magnet carried by the upper fan blade rotates clockwise, the winding coil of the lower fan blade rotates anticlockwise, and current is led out through the electric brush and the collecting ring through the coil.
Drawings
Fig. 1 is a sectional view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a cross-sectional view through the shaft;
FIG. 4 is a top view of the lower tray portion;
FIG. 5 is a cross-sectional view of the upper blade rotated clockwise;
FIG. 6 is a view taken along plane A-A of FIG. 5;
FIG. 7 is a view taken along the line B-B in FIG. 5;
Fig. 8 is a partial cross-sectional view of the present invention;
FIG. 9 is a bottom view of the structure of FIG. 8;
FIG. 10 is a partial top view of the structure of FIG. 8;
wherein:
1. the fan blade structure comprises a through shaft 11, a first fan blade bearing 12, an elastic retainer ring 13 and an elastic retainer ring groove;
2. a first circular flange gasket;
3. Clockwise rotating the upper fan blade 31, the first upper fan blade 32, the second upper fan blade 33 and the D-shaped upper fan blade;
4. The device comprises a disc type stator-free power generation mechanism 41, an accommodating cavity 42, a cylindrical power generator shell 42A, a tray buckle 42B and a clamping groove; 43. the coil mounting device comprises an upper tray, 44, a lower tray, 45, a coil tray, 45A, a threading through hole, 45B, a coil buckle, 45C, a lead, 46, a second fan blade bearing, 47, a third fan blade bearing, 48, a rib plate, 49 and a magnet mounting groove;
5. the fan comprises a second circular flange gasket, 6, a lower fan blade rotating anticlockwise, 7, a third circular flange gasket, 8, a collecting ring, 9, an electric brush, 10 and an electric brush support.
Detailed Description
vertical stator-free breeze generator, comprising: the stator-free power generation device comprises a first circular flange gasket 2, a clockwise rotating upper fan blade 3, a disc type stator-free power generation mechanism 4, a second circular flange gasket 5, a counterclockwise rotating lower fan blade 6, a third circular flange gasket 7, a collecting ring 8, an electric brush 9 and an electric brush support 10, wherein the electric brush 9 and the electric brush support 10 are arranged in a matched mode with the collecting ring 8 in a sleeved mode from top to bottom, one end of the electric brush support 10 is fixed on the third circular flange gasket 7 and used for fixing the electric brush 9; the first circular flange gasket 2, the second circular flange gasket 5 and the third circular flange gasket 7 are arranged in parallel;
the clockwise rotating upper fan blade 3 comprises a first upper fan blade 31, a second upper fan blade 32 and four D-shaped upper fan blades 33, the cross sections of the first upper fan blade 31, the second upper fan blade 32 and the D-shaped upper fan blades 33 are semicircular and are not connected, and two ends of the first upper fan blade 31, the second upper fan blade 32 and two ends of the D-shaped upper fan blades 33 are respectively perpendicular to the first circular flange gasket 2 and the third circular flange gasket 7, so that the first upper fan blade 31 and the second upper fan blade 32 are equidistantly distributed on two sides of the through shaft 1 by taking the through shaft 1 as a center, and the opening directions of the first upper fan blade 31 and the second upper fan blade 32 are opposite; the four D-shaped upper fan blades 33 are uniformly distributed along the first circular flange gasket 2, are positioned outside the first upper fan blade 31 and the second upper fan blade 32, and are not connected with each other; the structure of the anticlockwise rotating lower fan blade 6 is the same as that of the clockwise rotating upper fan blade 3, so that the starting wind speed is reduced, the stall phenomenon is reduced, and the wind energy utilization rate is improved.
preferably, a first fan blade bearing 11 and an elastic retainer ring 12 which is matched with the first fan blade bearing 11 are arranged on the through shaft 1 and positioned at the upper part of the first circular flange gasket 2 and the lower part of the third circular flange gasket 7, so as to reduce the friction coefficient of the through shaft 1 in the movement process and ensure the rotation precision of the through shaft;
further, at least two elastic retainer grooves 13 are formed in the through shaft 1 and used for installing elastic retainers 12.
further, the counterclockwise rotating lower blade 6 and the clockwise rotating upper blade 3 having the same structure are the same as each other, as shown in fig. 1, the clockwise rotating upper blade 3 is larger than the counterclockwise rotating lower blade 6 in size, and the rotating directions are opposite in the working process.
Preferably, the first upper fan blade 31 and the second upper fan blade 32 are equal in size and structure; the section of the D-shaped upper fan blade 33 adopts an NACA0012 wing type;
Preferably, the included angles formed between the diameter sides of the first upper fan blade 31 and the second upper fan blade 32 and the horizontal line are equal;
furthermore, the included angles formed between the diameter side edges of the first upper fan blade 31 and the second upper fan blade 32 and the horizontal line are both 12.5 degrees, so that the cross sections of the first upper fan blade 31, the through shaft 1 and the second upper fan blade 32 form an unconnected S-shape, and the wind energy utilization rate of the first upper fan blade 31 and the second upper fan blade 32 is maximized;
Further, the radius ratio of the first upper blade 31 to the D-shaped upper blade 33 is 0.3, the height ratio is 0.5, the height-diameter ratio of the first upper blade 31 is 1 to 6, the height-diameter ratio of the D-shaped upper blade 33 is 0.8 to 1.2, and at this time, the included angle formed between the diameter side of the first upper blade 31 and the horizontal line is 12.5 °.
Preferably, the disc-type stator-less power generation mechanism 4 includes: a cylindrical generator housing 42 with a containing cavity 41, an upper tray 43 and a lower tray 44 for placing magnets, and a coil tray 45, wherein the upper tray 43 and the coil tray 45 are arranged in the containing cavity 41, and the cylindrical generator housing 42 is connected with the lower tray 44 in a buckling manner; the upper tray 43 is fixed on the inner wall of the upper end of the cylindrical generator housing 42 through a second blade bearing 46, the coil tray 45 is fixed on the upper end of the lower tray 44 through a third blade bearing 47, and a gap is formed between the coil tray 45 and the lower tray 44 in the vertical direction through a rib plate 48 which is arranged at the lower end of the coil tray 45 and is in an inverted V shape;
further, at least two tray buckles 42A are uniformly distributed on the inner side wall of the cylindrical generator housing 42, and at least two clamping grooves 42B for being matched with the tray buckles 42A are uniformly distributed on the lower tray 44, so that a closed space is formed between the cylindrical generator housing 42 and the lower tray 44;
preferably, the tray fasteners 42A are preferably four, and are uniformly distributed on the inner side wall of the cylindrical generator housing 42.
The upper tray 43 and the lower tray 44 are respectively provided with magnet mounting grooves 49 with the same structure, and the magnetic pole directions of magnets placed in each magnet mounting groove 49 are the same, namely, the south poles and the north poles of magnets in the adjacent magnet mounting grooves 49 on the same tray are alternately arranged to form an approximately uniform magnetic field and reduce the eddy current of the magnetic field; and the upper tray 43 and the lower tray 44 are opposite to each other in terms of the south pole and the north pole of the magnet in the magnet mounting groove 49 in the vertical direction, for example, in terms of the vertical direction, the south pole is on the left side and the north pole is on the right side in a magnet mounting groove 49 in the upper tray 43, the south pole is on the right side (corresponding to the north pole on the right side of the upper tray 43) and the north pole is on the left side (corresponding to the south pole on the left side of the upper tray 43) in the corresponding magnet mounting groove 49 in the lower tray 44, so as to form a staggered magnetic field and improve the variation of the;
furthermore, there are 8 magnet mounting grooves 49 on the upper tray 43 and the lower tray 44, and each magnet mounting groove 49 is connected;
the coil tray 45 is provided with at least one threading through hole 45A and at least one group of coil buckles 45B, the threading through hole 45A is positioned at one side close to the through shaft 1, and the coil buckles 45B are arranged at one side far away from the through shaft 1, so that the threading through hole 45A is positioned at the inner side of the coil buckles 45B; at least one group of coil buckles 45B is uniformly distributed along the through shaft 1 as a center, a lead 45C penetrating from the threading through hole 45A is wound on each coil buckle 45B, and the number of turns of the lead 45C wound on each coil buckle 45B is the same, so that the phenomenon of reverse current disturbance caused by asynchronous phases among the leads is avoided;
Further, the direction of winding the wire 45C on the adjacent coil clip 45B is opposite, and the wire is aligned with the magnet arranged in the magnet mounting groove 49, so that the voltage and the current reach the maximum value.
The utility model discloses a realize like this:
when the generator of the utility model is placed in a windy place, the magnets on the bottom upper tray 43 are hung on the first upper fan blade 31 and the second upper fan blade 32 on the upper part to rotate clockwise, the D-shaped upper fan blade 33 moves under the action of the first upper fan blade 31 and the second upper fan blade 32, and simultaneously, the first upper fan blade 31 and the second upper fan blade 32 are further driven to move, so that the overall rotation speed is improved; meanwhile, the first upper blade 31 and the second upper blade 32 at the lower part rotate anticlockwise under the structural action of the lower tray 44, the coil tray 45 and the like, so that current is led out through a wire through the brush and the collecting ring.
The invention is further illustrated with respect to specific embodiments below:
The generator (hereinafter referred to as group A) of the utility model records the wind energy utilization rate, the power generation power, the wind sweeping area of the generator and the like of each generator under the condition of a certain wind speed, as shown in the following tables 1 and 2;
TABLE 1
| wind speed for generating electricity | Area of wind swept | Number of turns of coil | Generated power | Wind speed | |
| A | 2.4m/s | 0.24 | 400 | 1.427W | 8m/s |
TABLE 2
The above table 1 shows the power generation condition of the structure of the present invention (as can be seen from table 1, the starting wind speed of the structure of the present invention can be as low as 2.4m/s, compared with the starting wind speed of 4-5 m/s of the conventional small wind power generator, the structure of the present invention can be started and operated at a lower wind speed, so as to save wind energy);
TABLE 2 is under 8m/s, 8.5m/s wind speed, adopts the utility model discloses 3 group's experiments that the structure goes on respectively (in TABLE 2: single leaf power represents exclusive use the utility model discloses power when clockwise rotation goes up the flabellum, whole flabellum power represent the utility model discloses the operating power behind the stator is added to the structure, double leaf power represents the utility model discloses the operating power of structure), by last can know, under the same wind speed, the utility model discloses the operating power of structure is high, and wind energy utilization efficiency is also higher than both before, explains the utility model discloses the structure is in the time of usable lower wind speed, and power is big, the energy saving more.
the above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. vertical no stator breeze generator, its characterized in that: the device comprises a first circular flange gasket (2), a clockwise rotating upper fan blade (3), a disc type stator-free power generation mechanism (4), a second circular flange gasket (5), an anticlockwise rotating lower fan blade (6), a third circular flange gasket (7), a collecting ring (8), an electric brush (9) and an electric brush support (10) which are matched with the collecting ring (8) and are arranged on a through shaft (1) in a sleeved mode from top to bottom, wherein one end of the electric brush support (10) is fixed on the third circular flange gasket (7) and used for fixing the electric brush (9); the first circular flange gasket (2), the second circular flange gasket (5) and the third circular flange gasket (7) are arranged in parallel;
the clockwise rotating upper fan blade (3) comprises a first upper fan blade (31), a second upper fan blade (32) and four D-shaped upper fan blades (33), the cross sections of the first upper fan blade (31), the second upper fan blade (32) and the two ends of the D-shaped upper fan blade (33) are semicircular and are not connected, and the two ends of the first upper fan blade, the second upper fan blade and the two ends of the D-shaped upper fan blade are respectively perpendicular to the first circular flange gasket (2) and the third circular flange gasket (7), so that the first upper fan blade (31) and the second upper fan blade (32) are equidistantly distributed on two sides of a through shaft (1) by taking the through shaft (1) as the center, and the opening directions of the first upper fan blade (31) and the second upper fan blade (32) are opposite; the four D-shaped upper fan blades (33) are uniformly distributed along the first circular flange gasket (2), are positioned at the outer sides of the first upper fan blade (31) and the second upper fan blade (32), and are not connected with each other; the structure of the anticlockwise rotating lower fan blade (6) is the same as that of the clockwise rotating upper fan blade (3).
2. the vertical stator-free breeze-driven generator according to claim 1, characterized in that: the first upper fan blade (31) and the second upper fan blade (32) are equal in size and structure.
3. The vertical stator-free breeze-driven generator according to claim 1, characterized in that: the included angles formed between the diameter side edges of the first upper fan blade (31) and the second upper fan blade (32) and the horizontal line are equal.
4. the vertical stator-free breeze-driven generator according to claim 3, characterized in that: the included angle formed between the diameter side of the first upper fan blade (31) and the diameter side of the second upper fan blade (32) and the horizontal line is 12.5 degrees, so that the cross sections of the first upper fan blade (31), the through shaft (1) and the second upper fan blade (32) form an unconnected S shape.
5. The vertical stator-free breeze-driven generator according to claim 4, characterized in that: the radius ratio of the first upper fan blade (31) to the D-shaped upper fan blade (33) is 0.3, the height ratio of the first upper fan blade (31) to the D-shaped upper fan blade (33) is 0.5, the height ratio of the first upper fan blade (31) to the D-shaped upper fan blade (33) to the D-shaped upper fan blade is 1-6, and the height ratio of the D-shaped upper fan blade (33) to the D-shaped upper fan blade is 0.8-.
6. the vertical stator-free breeze-driven generator according to claim 1, characterized in that: the disc-type stator-less power generation mechanism (4) includes: the coil winding device comprises a cylindrical generator shell (42) with an accommodating cavity (41), an upper tray (43) and a lower tray (44) for placing magnets, and a coil tray (45), wherein the upper tray (43) and the coil tray (45) are arranged in the accommodating cavity (41), and the cylindrical generator shell (42) is connected with the lower tray (44) in a buckling manner; the upper tray (43) is fixed on the inner wall of the upper end of the cylindrical generator shell (42) through a second fan blade bearing (46), the coil tray (45) is fixed on the upper end of the lower tray (44) through a third fan blade bearing (47), and a gap is formed between the coil tray (45) and the lower tray (44) in the vertical direction through the lower end of the coil tray (45) and a rib plate (48) in the shape of an inverted Chinese character 'ba'.
7. the vertical stator-free breeze-driven generator according to claim 6, characterized in that: at least two tray buckles (42A) are uniformly distributed on the inner side wall of the cylindrical generator shell (42), at least two clamping grooves (42B) used for being matched and installed with the tray buckles (42A) are uniformly distributed on the lower tray (44), and therefore a closed space is formed between the cylindrical generator shell (42) and the lower tray (44).
8. The vertical stator-free breeze-driven generator according to claim 6, characterized in that: the upper tray (43) and the lower tray (44) are respectively provided with magnet mounting grooves (49) with the same structure, and the directions of magnetic poles for placing magnets in each magnet mounting groove (49) are the same, namely, the south poles and the north poles of magnets in adjacent magnet mounting grooves (49) on the same tray are arranged alternately; and the upper tray (43) and the lower tray (44) are provided with opposite north and south poles corresponding to the magnet mounting groove (49) in the vertical direction.
9. The vertical stator-free breeze-driven generator according to claim 6, characterized in that: the coil tray (45) is provided with at least one threading through hole (45A) and at least one group of coil buckles (45B), the threading through hole (45A) is positioned at one side close to the through shaft (1), and the coil buckle (45B) is arranged at one side far away from the through shaft (1), so that the threading through hole (45A) is positioned at the inner side of the coil buckle (45B); coil buckle (45B) are followed through axle (1) has at least a set of for the central equipartition, and the winding comes from on every coil buckle (45B) wire (45C) that threading through-hole (45A) were worn out, and every it is the same to twine wire (45C) the number of turns on coil buckle (45B).
10. The vertical stator-less breeze generator of claim 9, wherein: and the directions of the wires (45C) wound on the adjacent coil buckles (45B) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822089485.2U CN209800165U (en) | 2018-12-13 | 2018-12-13 | Vertical stator-free breeze generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822089485.2U CN209800165U (en) | 2018-12-13 | 2018-12-13 | Vertical stator-free breeze generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800165U true CN209800165U (en) | 2019-12-17 |
Family
ID=68817242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822089485.2U Expired - Fee Related CN209800165U (en) | 2018-12-13 | 2018-12-13 | Vertical stator-free breeze generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800165U (en) |
-
2018
- 2018-12-13 CN CN201822089485.2U patent/CN209800165U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20211213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |