CN218347497U - Wind-driven generator - Google Patents

Abstract

The utility model relates to a wind power generation technical field, concretely relates to aerogenerator, aerogenerator includes a plurality of blades, a plurality of generators and coupling assembling, and a plurality of generators link to each other with a plurality of blade one-to-ones respectively in order to convert the mechanical energy that the blade rotation produced to the electric energy, and coupling assembling links to each other with a plurality of generators respectively, and a plurality of generators along coupling assembling's interval arrangement in week, the utility model provides an aerogenerator can increase aerogenerator's rated capacity.

Description

Wind power generator

Technical Field

The utility model relates to a wind power generation technical field, concretely relates to wind driven generator.

Background

The wind driven generator is fixed on the ground through a tower, and when wind flows through blades of the wind driven generator, the blades are driven to rotate, so that wind energy is converted into mechanical energy, and then the mechanical energy is converted into electric energy, and wind power generation is realized. The rated capacity of the wind driven generator is closely related to the rotating diameter of the blades, and the fan in the related art cannot fully absorb wind energy, so that the wind energy is wasted.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving one of the technical problems in the related art at least to a certain extent. Therefore, the embodiment of the utility model provides a wind driven generator, can increase wind driven generator's rated capacity.

The utility model discloses aerogenerator, include: a plurality of blades; the generators are respectively connected with the blades in a one-to-one correspondence mode so as to convert mechanical energy generated by rotation of the blades into electric energy; the connecting assembly is respectively connected with the plurality of generators, and the generators are arranged at intervals in the circumferential direction of the connecting assembly.

The utility model discloses aerogenerator can increase aerogenerator's rated capacity.

In some embodiments, the wind turbine further comprises an air duct having a flow passage therein, the flow passage having an inlet, the blades and the generator being disposed in the flow passage, and the blades being disposed adjacent to the inlet.

In some embodiments, the connection assembly includes a first connection member and a second connection member, one end of the first connection member is connected to the generator, the other end of the first connection member is connected to the second connection member, and the second connection member is connected to the air duct.

In some embodiments, a plurality of the blades are arranged at regular intervals in a circumferential direction of the second link.

In some embodiments, the rotational diameters of a plurality of the blades are the same.

In some embodiments, the wind turbine further comprises a first nacelle, the generator is disposed within the first nacelle, the first nacelle further comprises a gearbox, one end of the gearbox is coupled to the blades, and the other end of the gearbox is coupled to the generator.

In some embodiments, the number of the first nacelles is provided in plurality, and a plurality of the generators and the first nacelles are arranged in one-to-one correspondence.

In some embodiments, the wind turbine further comprises a second nacelle connected to the wind tunnel, the second nacelle comprising a current transformer, one end of the current transformer being connected to the second connector.

In some embodiments, the wind turbine further includes a fixing member, one end of the fixing member is connected to the second nacelle, and the other end of the fixing member is connected to the wind duct.

In some embodiments, the wind power generator further comprises a tower drum connected with the air duct to fix the air duct.

Drawings

Fig. 1 is a schematic structural diagram of a wind turbine generator according to an embodiment of the present invention.

Fig. 2 is a schematic view of an air duct according to an embodiment of the present invention.

Reference numerals are as follows:

the blade 1, the generator 2, the connecting assembly 3, the first connecting piece 31, the second connecting piece 32,

the air duct 4, the flow passage 41, the inlet 411, the outlet 412,

the first nacelle 5, the gear box 51, the second nacelle 6, the converter 61,

a fixed part 7 and a tower 8.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-2, a wind turbine generator 2 according to an embodiment of the present invention includes a plurality of blades 1, a plurality of generators 2, and a connection assembly 3.

In some embodiments, a plurality of generators 2 are respectively connected to the plurality of blades 1 in a one-to-one correspondence to convert mechanical energy generated by rotation of the blades 1 into electrical energy. The connecting assemblies 3 are respectively connected with the plurality of generators 2, and the plurality of generators 2 are arranged at intervals in the circumferential direction of the connecting assemblies 3.

Specifically, the generator 2 is disposed at the right side of the blade 1, the generator 2 is connected to the blade 1 to convert the mechanical energy generated by the blade 1 under the action of wind power into electric energy, the number of the blades 1 is set to be plural, accordingly, the number of the generators 2 is also set to be plural and is connected to the blades 1 in a one-to-one correspondence manner, and the plurality of blades 1 are arranged at intervals in the circumferential direction of the connecting assembly 3, so that the plurality of generators 2 respectively convert the mechanical energy generated by the plurality of blades 1 under the action of wind power into electric energy.

The utility model discloses a plurality of blades 1 at coupling assembling 3's upwards interval arrangement of circumference absorb wind energy, compare among the correlation technique wind power generator 2 only one big blade 1's setting, the embodiment of the utility model provides an in blade 1 can increase wind power generator 2's rated capacity under the same wind current flow area in coupling assembling 3's circumference arrangement's mode to make wind power generator 2 can fully absorb wind energy.

It should be noted that the number of the generators 2 corresponds to the number of the blades 1, that is, the number of the generators 2 is the same as the number of the blades 1, for example, the number of the generators 2 is five, the number of the blades 1 is also five, and each blade 1 includes three rotating blades 1.

It should be noted that, the rated capacity of aerogenerator 2 is fixed, and when aerogenerator 2 absorbed the wind energy and reached the rated capacity operation, the waste then took place because of aerogenerator 2 can't absorb for surplus wind energy, the embodiment of the utility model provides a through setting up a plurality of blades 1 and a plurality of generator 2 and absorbing wind energy, improve aerogenerator 2's rated capacity to make aerogenerator 2 can fully absorb wind energy.

It can be understood that the smaller the rotation diameter of the blade 1 is, the smaller the wind speed required for reaching the rated capacity is, and by arranging a plurality of blades 1 arranged along the connecting component 3 at intervals in the circumferential direction to absorb the wind energy under the same flow area of the wind current, the rated capacity of the plurality of blades 1 can be reached under the smaller wind speed, and the generating efficiency of the wind driven generator 2 is improved.

Under the same flow area, for example, the diameter of the flow area is about 170, the rotation diameter of the blade 1 in the related art is set to about 160, the rotation diameter of the blade 1 of the embodiment of the present invention is between 60 and 70, and the arrangement of five blades 1 with the rotation diameters between 60 and 70 and five generators 2 is inevitably greater than the rated capacity of one blade 1 with the rotation diameter of about 160, thereby improving the rated capacity of the wind power generator 2. Furthermore, the utility model discloses the setting of a plurality of blades 1 is compared single blade 1's in the correlation technique setting, can reduce aerogenerator 2's unit cost.

The embodiment of the utility model provides an aerogenerator 2 improves the rated capacity of fan through setting up a plurality of blades 1 and a plurality of generator 2, and aerogenerator 2's rated capacity equals the rated capacity sum of a plurality of generator 2 promptly, compares the mode of setting up of a blade 1, the utility model discloses a plurality of blades 1 absorb wind energy respectively under the same flow area, improve aerogenerator 2's rated capacity.

In some embodiments, the wind power generator 2 further comprises an air duct 4, the air duct 4 has a flow channel 41 therein, the flow channel 41 has an inlet 411, the blade 1 and the generator 2 are provided in the flow channel 41, and the blade 1 is disposed adjacent to the inlet 411.

Specifically, the flow channel 41 in the wind duct 4 further has an outlet 412, the flow area of the flow channel 41 is set to be the same in the left-right direction, the wind flow flows along the inlet 411 of the flow channel 41 to the direction of the outlet 412, and the wind flow is guided by the wind duct 4, so as to improve the wind energy absorption capability of the blade 1 arranged in the wind duct 4.

For example, the wind tunnel 4 may be configured as a cylinder, and the wind flow is guided by the cylinder to sufficiently absorb the wind energy resource. The cylinder adopts steel materials, and steel materials can play anticorrosive resistance to compression's effect, can carry out the protection of certain degree to setting up blade 1 and generator 2 in the cylinder.

In some embodiments, the connection assembly 3 includes a first connection member 31 and a second connection member 32, one end of the first connection member 31 is connected to the generator 2, the other end of the first connection member 31 is connected to the second connection member 32, and the second connection member 32 is connected to the air duct 4.

Specifically, one end of the first connecting piece 31 close to the generator 2 is connected to the generator 2, one end of the first connecting piece 31 far away from the generator 2 is connected to the second connecting piece 32, and the second connecting piece 32 is connected to the air duct 4 to fix the second connecting piece 32, so as to fix the generator 2.

Optionally, the number of the first connecting members 31 is set to be plural, one end of the plurality of first connecting members 31, which is arranged at intervals in the circumferential direction of the second connecting member 32 and is close to the second connecting member 32, is connected to the second connecting member 32, and the other end of the plurality of first connecting members 31 is connected to the plurality of generators 2 in a one-to-one correspondence manner so as to fix the position of each generator 2.

In some embodiments, the plurality of blades 1 are arranged at regular intervals in the circumferential direction of the second link 32.

Specifically, the plurality of first connectors 31 are arranged at regular intervals in the circumferential direction of the second connector 32 so that the plurality of generators 2 are arranged at intervals in the circumferential direction of the second connector 32, and accordingly the plurality of blades 1 are arranged at regular intervals in the circumferential direction of the second connector 32 so that the plurality of blades 1 can sufficiently absorb wind energy.

In some embodiments, the rotational diameters of the plurality of blades 1 are the same.

Specifically, the rotating diameters of the blades 1 are set to be the same, so that the wind force applied to each blade 1 is relatively uniform, the work of the wind on the blades 1 is increased, and the wind energy absorption capacity of the blades 1 is further improved.

In some embodiments, the wind turbine 2 further comprises a first nacelle 5, the wind turbine 2 is disposed in the first nacelle 5, the first nacelle 5 further comprises a gear box 51, one end of the gear box 51 is connected to the blade 1, and the other end of the gear box 51 is connected to the wind turbine 2.

Specifically, the first nacelle 5 is disposed in the flow channel 41, the gear box 51 and the generator 2 are both disposed in the first nacelle 5, the left end of the gear box 51 is connected to the blade 1, and the right side of the gear box 51 is connected to the generator 2, so that the gear box 51 can transmit the power generated by the blade 1 under the action of wind power to the generator 2 to enable the generator 2 to generate a corresponding rotation speed, and the generator 2 converts mechanical energy into electrical energy to realize wind power generation of the wind power generator 2.

It will be appreciated that the first nacelle 5 is connected to the first connection member 31 at an end adjacent to the first connection member 31.

In some embodiments, the number of the first nacelle 5 is provided in plural, and the plurality of generators 2 and the first nacelle 5 are arranged in one-to-one correspondence.

Alternatively, a plurality of first nacelles 5 are arranged at regular intervals in the circumferential direction of the second connecting member 32, and the number of the first nacelles 5 is set to be the same as the number of the generators 2, for example, the number of the generators 2 is set to be five, and the number of the first nacelles 5 is also set to be five, and one gear box 51 and one generator 2 are provided in each first nacelle 5.

In some embodiments, the wind turbine 2 further comprises a second nacelle 6, the second nacelle 6 being connected to the wind tunnel 4, the second nacelle 6 comprising a current transformer 61, one end of the current transformer 61 being connected to the second connection 32.

Specifically, the second nacelle 6 is disposed on the right side of the first nacelle 5, the second nacelle 6 is disposed in the middle of the wind tunnel 4, that is, the second nacelle 6 is located in the middle of the wind tunnel 4 in the up-down direction, a converter 61 is disposed in the second nacelle 6, the left end of the converter 61 is connected to the second connecting member 32, and is connected to the first connecting member 31 through the second connecting member 32, and is connected to the generator 2 through the second connecting member 32, so as to transmit the electric power converted by the generator 2 to the converter 61, and the converter 61 converts the received electric power of the electric power transmitted by the generator 2 into one or more forms of electric power suitable for the power grid or the user, so as to convert the electric power of the electric power generated by the generator 2 into the required power.

It can be understood that the blades 1 rotate under the action of wind, the speed of the rotation of the blades 1 is changed by the connection of the gear box 51 and the blades 1, the engine is driven to generate electricity, the electricity generated by the generator 2 is transmitted to the converter 61, and the converter 61 converts the electric power of the electric energy to complete the electricity generation of the wind driven generator 2.

In some embodiments, the wind turbine 2 further comprises a fixing member 7, one end of the fixing member 7 is connected to the second nacelle 6, and the other end of the fixing member 7 is connected to the wind duct 4.

Specifically, the upper end of the fixing member 7 is connected to the lower end of the second nacelle 6, the lower end of the fixing member 7 is connected to the inner wall of the wind duct 4, the second nacelle 6 is fixed in the wind duct 4 by the fixing member 7, and the position of the first nacelle 5 is fixed by the connection between the second nacelle 6 and the first nacelle 5, so as to fix the position of the blade 1.

In some embodiments, the wind turbine 2 further comprises a tower 8, and the tower 8 is connected with the wind duct 4 to fix the wind duct 4.

Specifically, the tower 8 is disposed below the wind tunnel 4, and the tower 8 supports the wind tunnel 4 and the first and second nacelles 5 and 6, so that the blades 1 have a certain height above the ground to obtain a relatively uniform wind flow.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

It will be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments are possible to those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A wind power generator, comprising:

a plurality of blades;

the generators are respectively connected with the blades in a one-to-one correspondence mode so as to convert mechanical energy generated by rotation of the blades into electric energy;

the coupling assembling, coupling assembling respectively with a plurality of the generator links to each other, and is a plurality of the generator is followed coupling assembling's interval arrangement in the circumference.

2. The wind generator of claim 1, further comprising an air duct having a flow passage therein, the flow passage having an inlet, the blade and generator being disposed in the flow passage, and the blade being disposed adjacent the inlet.

3. The wind generator of claim 2, wherein the connection assembly comprises a first connection member and a second connection member, the first connection member is connected to the generator at one end, the second connection member is connected to the second connection member at the other end, and the second connection member is connected to the wind barrel.

4. The wind generator of claim 3, wherein a plurality of the blades are evenly spaced along a circumferential direction of the second connector.

5. The wind generator of claim 4, wherein a plurality of the blades have the same rotational diameter.

6. The wind generator of claim 3, further comprising a first nacelle, the generator being disposed within the first nacelle, the first nacelle further comprising a gearbox, one end of the gearbox being coupled to the blades, the other end of the gearbox being coupled to the generator.

7. The wind power generator of claim 6, wherein the number of the first nacelles is provided in plurality, and a plurality of the generators and the first nacelles are arranged in one-to-one correspondence.

8. The wind generator of claim 3, further comprising a second nacelle coupled to the wind tunnel, the second nacelle including a current transformer, one end of the current transformer being coupled to the second coupling member.

9. The wind generator of claim 8, further comprising a fixture, one end of the fixture being connected to the second nacelle and the other end of the fixture being connected to the air duct.

10. The wind turbine of claim 8, further comprising a tower connected to the air duct for securing the air duct.

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