CN220748449U - Blade structure of small wind driven generator - Google Patents
Blade structure of small wind driven generator Download PDFInfo
- Publication number
- CN220748449U CN220748449U CN202322590333.1U CN202322590333U CN220748449U CN 220748449 U CN220748449 U CN 220748449U CN 202322590333 U CN202322590333 U CN 202322590333U CN 220748449 U CN220748449 U CN 220748449U
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- block
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- mounting box
- magnet
- fixedly connected
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- 238000009434 installation Methods 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 241000883990 Flabellum Species 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model provides a fan blade structure of a small wind driven generator, which comprises a mounting box and is characterized in that a longitudinal bearing at an opening at the upper side in the mounting box is connected with a hollow rotating shaft, arc-shaped blades are fixedly connected to the periphery of the outer wall of the hollow rotating shaft respectively, and the arc-shaped blades are positioned at the upper side of the mounting box; the outer wall of the hollow rotating shaft is fixedly connected with an annular rotating block which is positioned in the mounting box; the openings at the periphery of the middle of the outer wall of the annular rotating block are respectively embedded with a first magnet block; the right side of annular rotatory piece is provided with the arc movable block, and the left side opening part is inlayed in the inside of arc movable block has the second magnet piece. The annular rotating block, the first magnet block, the arc-shaped moving block, the second magnet block, the threaded rod, the rotating hand wheel and the sliding rod are arranged, so that the effect of conveniently increasing the rotating resistance of the fan blade is realized, and the problem that the rotating speed of the fan blade is too high when the wind power is too high can be effectively avoided.
Description
Technical Field
The utility model belongs to the technical field of wind driven generators, and particularly relates to a fan blade structure of a small wind driven generator.
Background
The fan blade of the wind driven generator is a structure capable of converting wind energy into kinetic energy, and can drive the generator to rotate so as to enable the generator to generate electric energy, and the vertical axis wind driven generator with the bulletin number of CN217712808U comprises a tower pole, a generator arranged on the tower pole, a vertical rotating shaft arranged on the generator and a fan blade component arranged on the vertical rotating shaft; the fan blade assembly comprises a supporting part and a plurality of fan blades uniformly arranged on the supporting part in the circumferential direction, and the fan blades of the wind driven generator have problems in the actual use process, such as: when the wind power is too large, the rotating speed of the fan blades is high, so that the problem that the output voltage of the generator is too high can be caused, and the problem that external electric equipment is damaged can be caused.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a fan blade structure of a small wind driven generator, which can realize the effect of being convenient for increasing the rotation resistance of the fan blade and can effectively avoid the problem of too high rotation speed of the fan blade when the wind power is too large.
The technical scheme is as follows: the fan blade structure of the small wind driven generator comprises a mounting box and is characterized in that a longitudinal bearing at an opening at the upper side in the mounting box is connected with a hollow rotating shaft, arc-shaped blades are fixedly connected to the periphery of the outer wall of the hollow rotating shaft respectively, and the arc-shaped blades are positioned at the upper side of the mounting box; the outer wall of the hollow rotating shaft is fixedly connected with an annular rotating block which is positioned in the mounting box; the openings at the periphery of the middle of the outer wall of the annular rotating block are respectively embedded with a first magnet block; an arc-shaped moving block is arranged on the right side of the annular rotating block, and a second magnet block is embedded in an opening on the left side in the interior of the arc-shaped moving block; the right side in the inside of the mounting box is provided with a threaded through hole, the threaded through hole is internally connected with a threaded rod in a threaded manner, one end bearing of the threaded rod is connected to the right side in the inside of the arc-shaped moving block, and the other end is connected with a rotary hand wheel in a key manner; through holes are respectively transversely formed in the front side and the rear side of the right side in the mounting box, sliding rods are arranged in the through holes in a sliding mode, and the left ends of the sliding rods are fixedly connected with the front side and the rear side of the right side of the arc-shaped moving block respectively.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the arrangement of the annular rotating block, the first magnet block, the arc-shaped moving block, the second magnet block, the threaded rod, the rotating hand wheel and the sliding rod is beneficial to realizing the effect of being convenient for increasing the rotating resistance of the fan blade, and the problem of too high rotating speed of the fan blade when the wind power is too large can be effectively avoided.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic partial cross-sectional view of the present utility model.
In the figure:
1. a mounting box; 2. a hollow rotating shaft; 3. an arc-shaped blade; 4. an annular rotating block; 5. a first magnet block; 6. an arc-shaped moving block; 7. a second magnet block; 8. a threaded rod; 9. rotating a hand wheel; 10. a slide bar; 11. a U-shaped connecting frame; 12. and (5) a generator.
Detailed Description
The utility model is specifically described below with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, the fan blade structure of the small wind driven generator comprises a mounting box 1, wherein a hollow rotating shaft 2 is connected with a longitudinal bearing at an opening at the upper side in the mounting box 1, arc-shaped blades 3 are respectively and fixedly connected to the peripheral parts of the outer wall of the hollow rotating shaft 2, and the arc-shaped blades 3 are positioned at the upper side of the mounting box 1; the outer wall of the hollow rotating shaft 2 is fixedly connected with an annular rotating block 4, and the annular rotating block 4 is positioned in the mounting box 1; the openings at the periphery of the middle of the outer wall of the annular rotating block 4 are respectively embedded with a first magnet block 5; an arc-shaped moving block 6 is arranged on the right side of the annular rotating block 4, and a second magnet block 7 is embedded in an opening on the middle left side in the arc-shaped moving block 6; a threaded through hole is formed in the middle right side of the inside of the mounting box 1, a threaded rod 8 is connected in the threaded through hole in a threaded manner, one end bearing of the threaded rod 8 is connected to the middle right side of the inside of the arc-shaped moving block 6, and the other end is connected with a rotary hand wheel 9 in a key manner; the through-hole has been transversely offered respectively to the front and back both sides on right side in the mounting box 1 inside, and the inside equal slip of through-hole is provided with slide bar 10, wherein the left end of slide bar 10 respectively with the right side front and back two parts fixed connection setting of arc movable block 6, when the weather that wind-force is great, the resistance when this flabellum structure is rotatory can be increased in advance to the operating personnel, when increasing the resistance, operating personnel accessible rotation hand wheel 9 rotates threaded rod 8, make threaded rod 8 drive second magnet piece 7 left side through arc movable block 6 and remove, and be close to first magnet piece 5, and the suction between first magnet piece 5 and the second magnet piece 7 then can increase, at this moment, only when the moment of torsion that acts on annular rotatable block 4 is greater than the suction between first magnet piece 5 and the second magnet piece 7, annular rotatable block 4 can rotate, thereby when hollow rotation axis 2 wants to rotate then need great wind-force to act on arc blade 3, and then even under the great circumstances of wind-force, this flabellum structure still can rotate with normal speed, realize being convenient for increase the rotatory resistance, can avoid the too big problem of the effectual rotating fan blade.
In this embodiment, specifically, installation box 1 lower part middle part fixedly connected with U type link 11, and the inside downside four corners position of U type link 11 has vertically offered the mounting hole respectively, is convenient for operating personnel to utilize the bolt to fix U type link 11 on external object through the mounting hole to be convenient for fix this flabellum structure.
In this embodiment, specifically, the inside of the U-shaped connecting frame 11 is provided with a generator 12, and the generator 12 is fixedly connected to the middle part of the lower part of the mounting box 1, wherein the upper end of the input shaft of the generator 12 penetrates through the middle lower side of the inside of the mounting box 1; the upper end of the input shaft of the generator 12 is connected with the lower end of the hollow rotating shaft 2 in a key way, and the generator 12 plays a role in generating electricity.
In this embodiment, specifically, the first magnet block 5 and the second magnet block 7 are neodymium iron boron magnet blocks, and the left magnetic pole of the second magnet block 7 is different from the outer magnetic pole of the first magnet block 5.
In this embodiment, specifically, the hollow rotating shaft 2 is a hollow aluminum alloy shaft.
In this embodiment, specifically, the arc-shaped blade 3 is an arc-shaped aluminum alloy blade.
In this embodiment, specifically, the mounting box 1 is an aluminum alloy box with a square cross section.
Principle of operation
When the weather that wind-force is great, operating personnel can increase the resistance when this flabellum structure rotates in advance, when increasing the resistance, operating personnel accessible rotates threaded rod 8, make threaded rod 8 drive second magnet piece 7 through arc movable block 6 and move to the left, and be close to first magnet piece 5, and the suction between first magnet piece 5 and the second magnet piece 7 can increase, at this moment, only when the moment of torsion that acts on annular rotatory piece 4 is greater than the suction between first magnet piece 5 and the second magnet piece 7, annular rotatory piece 4 can rotate, thereby hollow rotation axis 2 then needs great wind-force to act on arc blade 3 when wanting to rotate, and then even under the great circumstances of wind-force, this flabellum structure still can rotate with normal speed, realize the effect of being convenient for increase the rotatory resistance of flabellum, when can effectively avoid the wind-force too big, the problem that the flabellum rotational speed is too fast.
By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.
Claims (4)
1. The fan blade structure of the small wind driven generator comprises a mounting box (1) and is characterized in that a hollow rotating shaft (2) is connected to a longitudinal bearing at an opening at the middle upper side in the mounting box (1), arc-shaped blades (3) are fixedly connected to the periphery of the outer wall of the hollow rotating shaft (2) respectively, and the arc-shaped blades (3) are all positioned at the upper side of the mounting box (1); the outer wall of the hollow rotating shaft (2) is fixedly connected with an annular rotating block (4), and the annular rotating block (4) is positioned in the mounting box (1); the openings at the periphery of the middle of the outer wall of the annular rotating block (4) are respectively embedded with a first magnet block (5); an arc-shaped moving block (6) is arranged on the right side of the annular rotating block (4), and a second magnet block (7) is embedded in an opening on the middle left side in the arc-shaped moving block (6); a threaded through hole is formed in the right side in the mounting box (1), a threaded rod (8) is connected in the threaded through hole in a threaded manner, one end bearing of the threaded rod (8) is connected to the right side in the arc-shaped moving block (6), and the other end of the threaded rod is connected with a rotary hand wheel (9) in a key manner; through holes are respectively transversely formed in the front side and the rear side of the right side in the mounting box (1), sliding rods (10) are slidably arranged in the through holes, and the left ends of the sliding rods (10) are fixedly connected with the front side and the rear side of the right side of the arc-shaped moving block (6) respectively.
2. The blade structure of claim 1, wherein the middle part of the lower part of the mounting box (1) is fixedly connected with a U-shaped connecting frame (11), and four corners of the inner lower side of the U-shaped connecting frame (11) are respectively provided with a mounting hole longitudinally.
3. The blade structure of the small wind driven generator as claimed in claim 2, wherein the generator (12) is arranged at the inner side of the U-shaped connecting frame (11), and the generator (12) is fixedly connected to the middle part of the lower part of the installation box (1), wherein the upper end of the input shaft of the generator (12) penetrates through the middle lower side of the inner part of the installation box (1); the upper end of the input shaft of the generator (12) is connected with the lower end of the hollow rotating shaft (2) in a key way.
4. The blade structure of claim 1, wherein the first magnet (5) and the second magnet (7) are neodymium-iron-boron magnets, and the left magnetic pole of the second magnet (7) is different from the outer magnetic pole of the first magnet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590333.1U CN220748449U (en) | 2023-09-22 | 2023-09-22 | Blade structure of small wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322590333.1U CN220748449U (en) | 2023-09-22 | 2023-09-22 | Blade structure of small wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748449U true CN220748449U (en) | 2024-04-09 |
Family
ID=90561451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322590333.1U Active CN220748449U (en) | 2023-09-22 | 2023-09-22 | Blade structure of small wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748449U (en) |
-
2023
- 2023-09-22 CN CN202322590333.1U patent/CN220748449U/en active Active
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