CN216642344U - Wind power generation device and wind power generator set - Google Patents
Wind power generation device and wind power generator set Download PDFInfo
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- CN216642344U CN216642344U CN202220077500.5U CN202220077500U CN216642344U CN 216642344 U CN216642344 U CN 216642344U CN 202220077500 U CN202220077500 U CN 202220077500U CN 216642344 U CN216642344 U CN 216642344U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to the technical field of wind power generation, and provides a wind power generation device and a wind power generator set, wherein the wind power generation device comprises a main shaft, and a first end of the main shaft is in transmission connection with a hub; the linear generator comprises a stator component and a rotor component which moves in a reciprocating linear mode relative to the stator component; and the input end of the planar connecting rod mechanism is in transmission connection with the second end of the main shaft, and the output end of the planar connecting rod mechanism is connected with the rotor assembly. So set up, solved the great problem of size in the main shaft direction that aerogenerator among the prior art exists.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a wind power generation device and a wind power generator set.
Background
The wind power generator generally comprises blades, a hub, a main shaft, a gear box, a generator and the like, wherein the generator basically adopts a rotary generator, wind power acts on the blades and is driven by a wind wheel shaft to rotate to generate power. The rotary generator is arranged along the direction of the main shaft, so that the length of the engine room is prolonged.
Therefore, how to solve the problem of the large size of the wind turbine in the main shaft direction in the prior art is an important technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind power generation device and a wind power generator set, which are used for solving the defect that a wind power generator in the prior art is large in size in the direction of a main shaft.
The present invention provides a wind power generation apparatus, including:
the first end of the main shaft is in transmission connection with the hub;
the linear generator is provided with an axis arranged along the radial direction of the main shaft, and comprises a stator component and a rotor component which reciprocates linearly relative to the stator component;
and the input end of the planar connecting rod mechanism is in transmission connection with the second end of the main shaft, and the output end of the planar connecting rod mechanism is connected with the rotor assembly.
The linear generator is arranged along the radial direction of the main shaft, so that the radial space of the engine room can be fully utilized, and the size of the wind power generation device in the axial direction of the main shaft is reduced. And the requirement on the connection between the input end of the plane connecting rod mechanism and the main shaft is relatively low, the centering operation is not needed, the operation difficulty is reduced, and the assembly efficiency is favorably improved.
According to the wind power generation device provided by the utility model, the planar connecting rod mechanism comprises a crank and a first connecting rod, wherein the first end of the crank is in transmission connection with the second end of the main shaft, the first end of the first connecting rod is in rotary connection with the second end of the crank, the second end of the first connecting rod is in rotary connection with the rotor assembly, and the rotary axis of the first connecting rod relative to the crank and the rotary axis of the rotor assembly relative to the first connecting rod are both parallel to the axis of the main shaft.
The wind power generation device further comprises a gear box, an input shaft of the gear box is in transmission connection with the main shaft, and an output shaft of the gear box is in transmission connection with an input end of the planar link mechanism.
The rotating speed of the output shaft of the gear box is larger than that of the input shaft, so that the moving speed of the rotor of the linear generator can be increased, and the generating efficiency can be improved.
According to the wind power generation device provided by the utility model, the linear generator further comprises a shell and a pressure-bearing part, and the stator assembly and the rotor assembly are arranged inside the shell;
the bearing piece sets up the active cell subassembly is kept away from one side of plane link mechanism, the bearing piece with shell sliding seal connects, so that the bearing piece with the shell constitutes sealed cavity, be provided with import and export on the diapire of sealed cavity, the import with the draining mouth intercommunication of gear box, the export with the lubricating system of gear box is connected.
The linear generator has the function of an oil pump, the oil pump is coupled with the generator, kinetic energy can be simultaneously converted into electric energy and mechanical energy, the structure of the wind power generation device is simplified, the structure is compact, and the space is saved.
According to the wind power generation device provided by the utility model, the linear generators are arranged in plurality and distributed along the axial direction of the main shaft.
According to the wind power generation device provided by the utility model, the axes of the linear generators are parallel to each other, and the linear generators are positioned in the same plane.
According to the wind power generation device provided by the utility model, two groups of linear generators are arranged, and the two groups of linear generators are respectively positioned on two sides of the main shaft.
According to the wind power generation device provided by the utility model, at least two groups of linear generators are arranged, and an included angle is formed between the axes of the at least two groups of linear generators.
According to the wind power generation device provided by the utility model, the planar connecting rod mechanism comprises a crankshaft and a plurality of second connecting rods, wherein the first end of the crankshaft is in transmission connection with the output shaft of the gear box, the first end of each second connecting rod is in rotary connection with the connecting rod journal of the crankshaft, and the second end of each second connecting rod is in rotary connection with the rotor assembly.
The utility model also provides a wind generating set which comprises the wind generating device.
The utility model provides a wind power generation device which comprises a main shaft, a linear generator and a plane connecting rod mechanism, wherein the axis of the linear generator is arranged along the radial direction of the main shaft. The circular motion of the main shaft is converted into reciprocating linear motion through the planar connecting rod mechanism so as to drive the rotor assembly of the linear generator to move in a reciprocating mode relative to the stator assembly, and therefore the electromagnetic induction phenomenon is generated, and electric energy output is generated. By the arrangement, the radial space of the engine room can be fully utilized, and the size of the wind power generation device in the axial direction of the main shaft is reduced.
Further, the wind turbine generator system according to the present invention includes the wind turbine generator described above, and therefore, the wind turbine generator system also has various advantages as described above.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a part of a wind power generation device provided by the utility model;
FIG. 2 is a schematic view of a partial structure of a wind power generation apparatus according to the present invention;
FIG. 3 is a schematic view of the connection position of the linear generator on the crankshaft provided by the utility model;
fig. 4 is a schematic diagram of the distribution positions of two groups of linear generators on a crankshaft.
Reference numerals:
1: a linear generator; 2: a stator assembly; 3: a mover assembly; 4: a crank; 5: a first link; 6: a gear case; 7: a housing; 8: a pressure-bearing member; 9: an inlet; 10: an outlet; 11: an oil drainage port; 12: a crankshaft; 13: a second link; 14: a connecting rod journal; 15: a main journal; 16: a bearing seat; 17: and connecting an oil pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The wind power generation apparatus of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, the wind power generation apparatus provided by the embodiment of the present invention includes a main shaft, a linear generator 1 and a planar link mechanism, specifically, a first end of the main shaft is in transmission connection with a hub, so that the hub drives the main shaft to rotate.
The axis of the linear generator 1 is arranged in the radial direction of the main shaft.
The linear generator 1 comprises a stator assembly 2 and a rotor assembly 3, wherein the rotor assembly 3 can do reciprocating linear motion relative to the stator assembly 2. The planar connecting rod mechanism is arranged between the main shaft and the linear generator 1, can convert circular motion into reciprocating linear motion, is connected with the second end of the main shaft in a transmission mode at the input end, and is connected with the rotor assembly 3 at the output end. When the main shaft rotates, the rotor assembly 3 can be driven to reciprocate relative to the stator assembly 2 through the planar link mechanism.
The rotor component 3 comprises a permanent magnet and magnetic steel, the stator component 2 comprises a coil winding and an iron core, and a closed magnetic circuit is formed between the rotor component 3 and the stator component 2. When the rotor component 3 moves relative to the stator component 2, the coil winding cuts the magnetic lines of force emitted by the permanent magnet, so that the electromagnetic induction phenomenon occurs, and electric energy is output.
With the arrangement, the linear generator 1 is arranged along the radial direction of the main shaft, so that the radial space of the engine room can be fully utilized, and the size of the wind power generation device in the axial direction of the main shaft is reduced.
In addition, when the rotary generator in the prior art is connected with the output shaft of the main shaft or the gear box 6, strict centering operation is required, the operation difficulty is high, manpower is wasted, and the assembly efficiency is low. The wind power generation device in the embodiment has relatively low requirements on connection between the input end of the planar link mechanism and the main shaft and connection between the output end of the planar link mechanism and the rotor assembly 3, does not need centering operation, reduces operation difficulty, and is favorable for improving assembly efficiency.
In a specific implementation, the planar linkage mechanism may be, but is not limited to, configured as a crank-slider mechanism.
In the embodiment of the present invention, the planar linkage mechanism includes a crank 4 and a first connecting rod 5, specifically, a first end of the crank 4 is in transmission connection with a second end of the main shaft, a first end of the first connecting rod 5 is in rotational connection with a second end of the crank 4, a second end of the first connecting rod 5 is in rotational connection with the mover assembly 3, and both a rotational axis of the first connecting rod 5 relative to the crank 4 and a rotational axis of the mover assembly 3 relative to the first connecting rod 5 are parallel to an axis of the main shaft.
Specifically, the first end of the crank 4 and the second end of the main shaft may be directly fixed, and the first end of the first connecting rod 5 and the second end of the crank 4 are rotatably connected and the second end of the first connecting rod 5 and the mover assembly 3 are rotatably connected by using the hinge shaft, respectively. The above-mentioned articulated shafts are all parallel to the axis of the main shaft, and the crank 4 and the first connecting rod 5 are positioned in the same plane, and the plane is perpendicular to the axis of the main shaft.
The main shaft drives the crank slider mechanism to operate through the crank 4, the rotor assembly 3 is rotationally connected with the first connecting rod 5, and the rotor assembly 3 can linearly reciprocate along the radial direction of the main shaft as a slider in the crank slider mechanism, namely linearly reciprocate relative to the stator assembly 2.
In the embodiment of the present invention, the wind turbine generator further includes a gear box 6, and the gear box 6 is disposed between the main shaft and the planar link mechanism. An input shaft of the gear box 6 is in transmission connection with the main shaft, and an output shaft of the gear box is in transmission connection with an input end of the planar link mechanism. By making the rotation speed of the output shaft of the gear box 6 greater than the rotation speed of the input shaft, the movement speed of the mover assembly 3 of the linear generator 1 can be increased, and the power generation efficiency can be improved.
In this embodiment, the linear generator 1 further includes a housing 7 and a pressure-bearing member 8, the housing 7 is a cylindrical structure having an opening at one end, and the stator assembly 2 and the mover assembly 3 are disposed inside the housing 7. The stator assembly 2 is a hollow cylindrical structure, and the rotor assembly 3 is a cylindrical structure. The mover assembly 3 can be inserted into the hollow structure of the stator assembly 2 and linearly reciprocate with respect to the stator assembly 2.
The pressure-bearing member 8 is disposed on a side of the mover assembly 3 away from the planar linkage, and the pressure-bearing member 8 is slidably and sealingly coupled to the housing 7, such that a sealed chamber is formed between the pressure-bearing member 8 and the housing 7.
The material of the housing 7 is not limited to a non-magnetic material, and may be an aluminum alloy.
Specifically, a sealing ring may be disposed on a side surface of the pressure-bearing member 8, and the sealing ring is in sealing contact with an inner side wall of the housing 7, so as to ensure the sealing performance of the sealing chamber.
In this embodiment, an inlet 9 and an outlet 10 are provided on the bottom wall of the sealed chamber, and both the inlet 9 and the outlet 10 can communicate the sealed chamber and the external space of the housing 7.
The lubrication mode of the gear box 6 comprises oil immersion lubrication, splash lubrication and spray lubrication, wherein the oil immersion lubrication and the splash lubrication mainly depend on the contact and the impact of the gear rotating process and the lubricating oil stored at the bottom of the shell of the gear box 6, so that the lubricating oil is splashed to the friction pair for automatic lubrication. The spray lubrication mainly depends on an oil pump, an oil inlet pipe, a radiator, a distributor and a spray head which are arranged in the gear box 6, and lubricating oil is sprayed to the gear and the bearing through the spray head through the oil pump, so that the lubrication is realized. An oil drain port 11 is arranged at the bottom of the shell of the gear box 6 for discharging lubricating oil.
In this embodiment, the inlet 9 is communicated with the oil drain port 11 of the gear box 6 through the connecting oil pipe 17, the outlet 10 is connected with the lubricating system of the gear box 6 through the connecting oil pipe 17, and specifically, the outlet 10 can be connected with the oil inlet pipe in the lubricating system instead of the oil pump in the prior art, so as to communicate the sealed cavity with the internal space of the gear box 6.
Referring to fig. 1 and 2, the axis of the linear generator 1 is disposed in a vertical direction. When the rotor assembly 3 of the linear generator 1 moves upwards relative to the stator assembly 2, lubricating oil at the bottom of the shell of the gear box 6 is sucked into the sealed cavity; when the rotor assembly 3 of the linear generator 1 moves downwards relative to the stator assembly 2, the lubricating oil in the sealed cavity is output to a lubricating system of the gear box 6, and spray lubrication is performed through a spray head of the lubricating system.
The linear generator 1 and the bearing part 8 are arranged, so that the linear generator 1 has the function of an oil pump, the oil pump and the generator are coupled together, kinetic energy can be converted into electric energy and mechanical energy at the same time, the structure of the wind power generation device is simplified, the structure is compact, and the space is saved.
It should be noted that, in order to avoid the influence on the operation process of the linear generator 1, the pressure-bearing member 8 is required to be made of a non-magnetic material, which may be, but is not limited to, an aluminum alloy material.
In an embodiment of the present invention, a plurality of linear generators 1 may be provided, and the plurality of linear generators 1 may be distributed along an axial direction of the main shaft.
When the linear generators 1 are provided with a plurality of linear generators, the axes of the linear generators 1 can be arranged in parallel and the linear generators 1 can be located in the same plane, and the linear generators 1 can also be arranged in groups, so that the axes of each group of linear generators 1 are parallel to each other and an included angle is formed between the axes of at least two groups of linear generators 1.
When the linear generators 1 are arranged in groups and the axes of at least two groups of linear generators 1 form an included angle, when one group of linear generators 1 sucks the lubricating oil in the gear box 6 into the sealed cavity, the other group of linear generators 1 can convey the lubricating oil in the sealed cavity to the lubricating system of the gear box 6.
When the axes of the linear generators 1 are parallel to each other, the plurality of linear generators 1 may be arranged on the same side of the axis of the main shaft, that is, the plurality of linear generators 1 are arranged in line. The plurality of linear generators 1 can also be divided into two groups, the two groups of linear generators 1 are respectively located at two sides of the main shaft, that is, an included angle between the axes of the two groups of linear generators 1 is 180 degrees, and the plurality of linear generators 1 are oppositely distributed. When one group of linear generators 1 starts to suck the lubricating oil in the gear box 6 into the sealed cavity, the other group of linear generators 1 just starts to discharge the lubricating oil in the sealed cavity, and smooth and continuous oil supply to a lubricating system is realized. When one group of linear generators 1 starts to discharge the lubricating oil in the sealed cavity, the other group of linear generators 1 just starts to suck the lubricating oil in the gear box 6 into the sealed cavity, and the balance of the lubricating oil quantity in the gear box 6 is ensured.
When the linear generator 1 is provided in plurality, the connection between the output shaft of the gear box 6 and the mover assembly 3 may be achieved using the crankshaft 12, referring to fig. 3 and 4. Specifically, the planar link mechanism includes a crankshaft 12 and a plurality of second links 13, the crankshaft 12 has a main journal 15 and a link journal 14, the main journal 15 and the link journal 14 are disposed at intervals, and the adjacent link journals 14 are respectively located on both sides of the main journal 15. A main journal 15 at a first end of the crankshaft 12 is drivingly connected to the output shaft of the gear box 6, and a bearing block 16 is provided in the nacelle for rotational connection with the main journal 15 at a second end of the crankshaft 12 to support the second end of the crankshaft 12.
First ends of the second connecting rods 13 are respectively and rotatably connected with connecting rod journals 14 at different positions of the crankshaft 12, and second ends of the second connecting rods 13 are respectively and rotatably connected with the mover assemblies 3 of different linear generators 1, so as to form a plurality of crank slider mechanisms.
So set up, the output shaft of gear box 6 drives bent axle 12 and rotates, can drive a plurality of second connecting rods 13 motion simultaneously to drive the active cell subassembly 3 removal of a plurality of linear electric generators 1.
When only one linear generator 1 is provided, the crank 4 may be provided in the form of a crankshaft having only one connecting rod journal. The main journals at the two ends of the connecting rod journal are connected, one to the output shaft of the main shaft or gear box 6 and the other to the first connecting rod 5.
On the other hand, the embodiment of the utility model also provides a wind generating set, which comprises the wind generating device provided by any one of the embodiments. Any of the embodiments described above provides a wind turbine generator that can make full use of the radial space of the nacelle and can reduce the size of the wind turbine generator in the axial direction of the main shaft. Therefore, the wind generating set provided by the embodiment of the utility model can also fully utilize the radial space of the engine room, and can reduce the size of the wind generating set in the axial direction of the main shaft. The derivation process of the beneficial effect of the wind generating set in the embodiment of the present invention is substantially similar to the derivation process of the beneficial effect of the wind generating set, and therefore, details are not repeated here.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A wind power plant, characterized by comprising:
the first end of the main shaft is in transmission connection with the hub;
the linear generator comprises a stator component and a rotor component which moves in a reciprocating linear mode relative to the stator component;
and the input end of the planar connecting rod mechanism is in transmission connection with the second end of the main shaft, and the output end of the planar connecting rod mechanism is connected with the rotor assembly.
2. The wind power generation device of claim 1, wherein the planar linkage comprises a crank and a first connecting rod, a first end of the crank is in transmission connection with a second end of the main shaft, a first end of the first connecting rod is in rotational connection with the second end of the crank, a second end of the first connecting rod is in rotational connection with the mover assembly, and a rotational axis of the first connecting rod relative to the crank and a rotational axis of the mover assembly relative to the first connecting rod are both parallel to an axis of the main shaft.
3. The wind power plant of claim 1, further comprising a gearbox having an input shaft in driving connection with the main shaft and an output shaft in driving connection with the input end of the planar linkage.
4. The wind power generation apparatus of claim 3, wherein the linear generator further comprises a housing and a pressure bearing member, the stator assembly and the mover assembly being disposed inside the housing;
the bearing piece sets up the active cell subassembly is kept away from one side of plane link mechanism, the bearing piece with shell sliding seal connects, so that the bearing piece with the shell constitutes sealed cavity, be provided with import and export on the diapire of sealed cavity, the import with the draining mouth intercommunication of gear box, the export with the lubricating system of gear box is connected.
5. The wind power generation device of claim 4, wherein the linear generator is provided in plurality, and the plurality of linear generators are distributed along an axial direction of the main shaft.
6. The wind power generation apparatus of claim 5, wherein the axes of the plurality of linear generators are parallel to each other and the plurality of linear generators are located in the same plane.
7. Wind power plant according to claim 6, characterized in that said linear generators are provided in two groups, one on each side of said main shaft.
8. Wind power plant according to claim 6, characterized in that said linear generators are provided in at least two groups with included angles between their axes.
9. The wind power generation device of claim 5, wherein the planar linkage comprises a crankshaft and a plurality of second connecting rods, a first end of the crankshaft is drivingly connected to the output shaft of the gear box, a first end of the second connecting rods is rotatably journalled to a connecting rod of the crankshaft, and a second end of the second connecting rods is rotatably connected to the mover assembly.
10. A wind park comprising a wind power plant according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220077500.5U CN216642344U (en) | 2022-01-12 | 2022-01-12 | Wind power generation device and wind power generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220077500.5U CN216642344U (en) | 2022-01-12 | 2022-01-12 | Wind power generation device and wind power generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216642344U true CN216642344U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220077500.5U Active CN216642344U (en) | 2022-01-12 | 2022-01-12 | Wind power generation device and wind power generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216642344U (en) |
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2022
- 2022-01-12 CN CN202220077500.5U patent/CN216642344U/en active Active
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