CN217152178U - Wind driven generator protection device for protecting control box - Google Patents
Wind driven generator protection device for protecting control box Download PDFInfo
- Publication number
- CN217152178U CN217152178U CN202123454396.1U CN202123454396U CN217152178U CN 217152178 U CN217152178 U CN 217152178U CN 202123454396 U CN202123454396 U CN 202123454396U CN 217152178 U CN217152178 U CN 217152178U
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- Prior art keywords
- fan
- power generation
- adjusting
- rotating shaft
- fixedly connected
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- 238000010248 power generation Methods 0.000 claims abstract description 52
- 230000001012 protector Effects 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 241000883990 Flabellum Species 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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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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- Wind Motors (AREA)
Abstract
The utility model discloses a aerogenerator protector for control box protection, including the generating fan and adjusting the fan, the top fixedly connected with power generation box of stand, one side of power generation box are provided with the generating fan, and one side of power generation box is provided with the regulation fan. The utility model has the advantages that: the vane mainly used for positioning the wind direction is set to be smaller than the diameter of the power generation fan but larger in thickness, when the normal operation of the power generator is threatened by the overlarge environmental wind force, the vane deflection angle of the regulation fan is adjusted by rotating the regulation shaft, when the wind blows the regulation fan coaxially arranged with the power generation fan, thrust is formed on the surface of the vane, the control of the magnitude of the thrust can be realized by adjusting the angle of the vane, the thrust is adjusted to offset the redundant thrust of the wind power to the power generation fan, and the rotating speed of the power generator is controlled within a safe range.
Description
Technical Field
The utility model relates to a wind power generation technical field specifically is a aerogenerator protector for control box protection belongs to wind power generation technical field.
Background
Wind power generation is the industry which is developed most rapidly, has the mature technology and the widest prospect in the renewable energy industry, the breadth of China is broad, the wind energy resources are quite rich, and China already takes renewable energy as an important component of the energy strategy of China, so that the wind power generation has a huge potential market.
The speed change device is arranged in the wind driven generator, so that the speed difference between the inside and the outside of the generator is hundreds of times, the generated energy of the generator is increased, the arrangement easily causes the overload of the generator, particularly, in stormy weather, the rotating speed of a rotating shaft of the generator is pushed by strong wind to be too high, the internal power of the generator is overloaded, the rotating shaft and a hub, loads exceeding a rated range are generated between a closed coil and a magnetic field, an internal circuit of the generator is in an overflow state, the normal service life of the generator is greatly reduced, and therefore, the technical personnel in the field provide the wind driven generator protection device for protecting a control box to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a aerogenerator protector for control box protection in order to solve above-mentioned problem.
The utility model achieves the above purpose through the following technical proposal, a wind driven generator protection device for protecting a control box comprises a stand column, a power generation box, a power generation fan and an adjusting fan, wherein the top end of the stand column is fixedly connected with the power generation box, one side of the power generation box is provided with the power generation fan, one side of the power generation box, which is far away from the power generation fan, is provided with the adjusting fan, the side of the power generation box, which is close to the power generation fan, is provided with a cooling vent, the side of the power generation box is penetrated through and is connected with a rotating shaft by a bearing, the power generation fan and the adjusting fan are symmetrically and fixedly connected with the sides at the two ends of the rotating shaft, the adjusting fan comprises an adjusting shaft, a mounting disc, fan blades, a conical gear, an adjusting rod and a shifting fork, the side of the rotating shaft is inserted with an adjusting shaft, the top end of the adjusting shaft is fixedly connected with the mounting disc, one side of the mounting disc far away from the adjusting shaft is fixedly connected with the fan blades, one end of the adjusting shaft, which is engaged with the conical gear, the side fixedly connected with of conical gear adjusts the pole, the side of adjusting the pole is provided with the shift fork.
Preferably, one side of the power generation box, which is far away from the power generation fan, is provided with a louver matched with the cooling vent, and the side surface of the rotating shaft is fixedly connected with a limiting ring matched with the power generation box.
Preferably, one end of the adjusting shaft penetrates through the side wall of the rotating shaft and is connected with a bearing of the rotating shaft, and a meshing gear matched with the bevel gear is fixedly connected to the side face of the adjusting shaft.
Preferably, the fan blades are thicker than the power generation fan, and the length of the fan blades is shorter than that of the power generation fan.
Preferably, the adjusting rod penetrates through the side wall of the rotating shaft and extends to the outer side of the rotating shaft, and the adjusting rod is connected with the inner wall bearing of the rotating shaft.
Preferably, the side fixedly connected with of adjusting the pole and the ratchet of shift fork looks adaptation, the shift fork runs through the lateral wall of pivot and extends outside the pivot, the side of shift fork is fixed to be cup jointed reset spring.
The utility model has the advantages that: the vane mainly used for positioning the wind direction in the prior device is set as an adjusting fan with a smaller diameter and a larger thickness than a power generation fan, when the normal operation of a generator is threatened by overlarge environmental wind power, the deflection angle of a fan blade of the adjusting fan is adjusted by rotating an adjusting shaft, when wind blows on the adjusting fan coaxially arranged with the power generation fan, thrust is formed on the surface of the fan blade, the control on the magnitude of the thrust can be realized by adjusting the angle of the fan blade, the thrust is adjusted to offset the redundant thrust of the wind power on the power generation fan, so that the rotating speed of the generator is controlled in a safe range, a ratchet wheel is arranged on the side surface of the adjusting rod, a shifting fork matched with the ratchet wheel is inserted on the side surface of a rotating shaft, the shifting fork is arranged by a reset spring, the ratchet wheel is limited when the fan blade rotates for a certain angle by rotating the adjusting rod, the angle of the fan blade is fixed, and when the adjusting fan does not need to be used for overload protection of the generator, the shifting fork is pulled out and is arranged between the shifting fork and the rotating shaft, the flabellum in the regulation fan can regard as the vane to use and observe the wind direction, and is provided with cooling vent and page or leaf window in the device in the generator box side, can utilize outside wind to accelerate giving off of the inside waste heat of generator.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention;
fig. 4 is a sectional view of the pivot structure of the present invention.
In the figure: 1. a column; 2. a power generation box; 3. a power generation fan; 4. adjusting the fan; 401. an adjustment shaft; 402. mounting a disc; 403. a fan blade; 404. a bevel gear; 405. adjusting a rod; 406. a shifting fork; 5. a cooling vent; 6. a rotating shaft; 7. a page window; 8. a limiting ring; 9. a meshing gear; 10. a ratchet wheel; 11. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses a wind driven generator protection device for protecting a control box,
as shown in fig. 1-4, including stand 1, power generation box 2, electricity generation fan 3 and regulation fan 4, the top fixedly connected with power generation box 2 of stand 1, one side of power generation box 2 is provided with electricity generation fan 3, one side that electricity generation box 2 kept away from electricity generation fan 3 is provided with regulation fan 4, power generation box 2 has been close to the side of electricity generation fan 3 and has been seted up cooling vent 5, the side of power generation box 2 runs through and the bearing is connected with pivot 6, electricity generation fan 3 and the side of adjusting fan 4 symmetry fixed connection at pivot 6 both ends, one side that electricity generation box 2 kept away from electricity generation fan 3 is provided with the page or leaf window 7 with cooling vent 5 looks adaptation, the side fixedly connected with of pivot 6 and the spacing ring 8 of power generation box 2 looks adaptation.
Adjusting fan 4 includes regulating spindle 401, mounting disc 402, flabellum 403, conical gear 404, adjust pole 405 and shift fork 406, regulation spindle 401 has been pegged graft to the side of pivot 6, regulating spindle 401 one end runs through the lateral wall of pivot 6 and is connected with pivot 6 bearing, the top fixedly connected with mounting disc 402 of regulating spindle 401, one side fixedly connected with flabellum 403 that regulating spindle 401 was kept away from to mounting disc 402, flabellum 403 is thicker than electricity generation fan 3, and the length of flabellum 403 is shorter than electricity generation fan 3, the one end meshing that regulating spindle 401 kept away from mounting disc 402 is connected with conical gear 404, the side fixedly connected with of regulating spindle 401 and the meshing gear 9 of conical gear 404 looks adaptation, the side fixedly connected with of conical gear 404 adjusts pole 405, the side of adjusting pole 405 is provided with shift fork 406.
The adjusting rod 405 penetrates through the side wall of the rotating shaft 6 and extends to the outer side of the rotating shaft 6, the adjusting rod 405 is connected with the inner wall bearing of the rotating shaft 6, the adjusting rod 405 is rotated by rotating the adjusting rod 405, and the bevel gear 404 and the adjusting rod 405 can rotate together.
The side fixedly connected with of adjusting pole 405 and the ratchet 10 of shift fork 406 looks adaptation, ratchet 10 and shift fork 406 cooperation realize the one-way spacing to adjusting pole 405, and shift fork 406 runs through the lateral wall of pivot 6 and extends to outside the pivot 6, and reset spring 11 has been cup jointed to the side of shift fork 406 fixed.
The working principle is as follows: the utility model discloses the device is in the in-service use, even adjusted the deflection angle of electricity generation fan 3 when external wind-force is big and also still make the generator overload, adjust the part of the outstanding pivot 6 of pole 405 through rotating, it rotates the conical gear 404 that drives fixed connection to adjust pole 405, conical gear 404 drives the meshing gear 9 that the meshing is connected, meshing gear 9 rotates and makes and adjust pole 405 to rotate, thereby make fixed connection rotate and change the angle between flabellum 403 and the wind direction at the mounting disc 402 and flabellum 403 that adjust pole 405 top.
Because flabellum 403 can turn into the power that promotes fan pivoted with horizontal thrust when blowing on flabellum 403 surface, and when electricity generation fan 3 was opposite with regulation fan 4 flabellum 403 direction, the thrust that wind-force produced two fans can offset each other, so can utilize the angle control wind-force of flabellum 403 on the adjustment fan 4 to produce the unequal thrust of size to regulation fan 4, and when the direction of this thrust was unanimous with electricity generation fan 3, can help improving aerogenerator's generated power, and when the direction of thrust was opposite with electricity generation fan 3, can offset partly each other with the propulsion of electricity generation fan 3 to pivot 6, with the rotational speed control of pivot 6 in generator normal power scope, prevent that the generator from transshipping and causing the damage to the generator inside, can effectively prolong the utility model discloses the live time of device.
The utility model discloses regulation fan 4 among the device derives from the vane of generator among the prior art, and mainly used survey wind direction and help generator angle regulation need not use regulation fan 4 to the limit preparation of electricity generation fan 3 when using, can select to pull out shift fork 406 and make the regulation pole 405 realize freely, and flabellum 403 can independently change the angle under the wind-force effect, uses as the vane.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a aerogenerator protector for control box protection, includes stand (1), power generation box (2), electricity generation fan (3) and regulation fan (4), its characterized in that: the top end of the stand column (1) is fixedly connected with a power generation box (2), one side of the power generation box (2) is provided with a power generation fan (3), one side of the power generation box (2), which is far away from the power generation fan (3), is provided with an adjusting fan (4), the side of the power generation box (2), which is close to the power generation fan (3), is provided with a cooling vent (5), the side of the power generation box (2) is penetrated through and is in bearing connection with a rotating shaft (6), the power generation fan (3) and the adjusting fan (4) are symmetrically and fixedly connected with the side surfaces at the two ends of the rotating shaft (6), the adjusting fan (4) comprises an adjusting shaft (401), an installation disc (402), fan blades (403), a conical gear (404), an adjusting shaft (401) is inserted into the side surface of the rotating shaft (6), the top end of the adjusting shaft (401) is fixedly connected with the installation disc (402), one side of the installation disc (402), which is far away from the adjusting shaft (401), is fixedly connected with the fan blades (403), the adjusting device is characterized in that one end, far away from the mounting disc (402), of the adjusting shaft (401) is connected with a bevel gear (404) in a meshed mode, the side face of the bevel gear (404) is fixedly connected with an adjusting rod (405), and the side face of the adjusting rod (405) is provided with a shifting fork (406).
2. Wind turbine protection device for control box protection according to claim 1, characterized in that: one side of the power generation box (2) far away from the power generation fan (3) is provided with a page window (7) matched with the cooling vent (5), and the side surface of the rotating shaft (6) is fixedly connected with a limiting ring (8) matched with the power generation box (2).
3. Wind turbine protection device for control box protection according to claim 1, characterized in that: one end of the adjusting shaft (401) penetrates through the side wall of the rotating shaft (6) and is in bearing connection with the rotating shaft (6), and the side face of the adjusting shaft (401) is fixedly connected with a meshing gear (9) matched with the bevel gear (404).
4. Wind turbine protection device for control box protection according to claim 1, characterized in that: the fan blade (403) is thicker than the power generation fan (3), and the length of the fan blade (403) is shorter than that of the power generation fan (3).
5. Wind turbine protection device for control box protection according to claim 1, characterized in that: the adjusting rod (405) penetrates through the side wall of the rotating shaft (6) and extends to the outer side of the rotating shaft (6), and the adjusting rod (405) is connected with the inner wall bearing of the rotating shaft (6).
6. Wind turbine protection device for control box protection according to claim 1, characterized in that: the side fixedly connected with of adjusting pole (405) and ratchet (10) of shift fork (406) looks adaptation, shift fork (406) run through the lateral wall of pivot (6) and extend to outside pivot (6), reset spring (11) have been cup jointed to the side of shift fork (406) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123454396.1U CN217152178U (en) | 2021-12-31 | 2021-12-31 | Wind driven generator protection device for protecting control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123454396.1U CN217152178U (en) | 2021-12-31 | 2021-12-31 | Wind driven generator protection device for protecting control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217152178U true CN217152178U (en) | 2022-08-09 |
Family
ID=82687319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123454396.1U Active CN217152178U (en) | 2021-12-31 | 2021-12-31 | Wind driven generator protection device for protecting control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217152178U (en) |
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2021
- 2021-12-31 CN CN202123454396.1U patent/CN217152178U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231205 Address after: 834700 Mayitas Village, Lamazhao Township, Emin County, Tacheng Prefecture, Xinjiang Uygur Autonomous Region Patentee after: CGN Emin Wind Power Co.,Ltd. Address before: No. 484, Kangwang Middle Road, Liwan District, Guangzhou, Guangdong 510000 Patentee before: Qiu Junyun |
|
| TR01 | Transfer of patent right |