CN217421421U - Wind power generation device - Google Patents

Abstract

The utility model relates to the technical field of wind power generation devices, and provides a wind power generation device, which comprises a resistance and lift type wind wheel structure, a vertical shaft transmission structure comprising a magnetic bearing; wherein, the central authorities of wind wheel structure are located to vertical axis transmission structure, and the wind wheel structure includes: and the wind wheel component is arranged on the vertical shaft transmission structure and connected with the vertical shaft transmission structure so as to drive the vertical shaft transmission structure to rotate. The wind wheel component is arranged on the vertical shaft transmission structure, and the wind wheel component drives the vertical shaft transmission structure to rotate under the action of wind power, so that wind power generation is realized. Furthermore, the photovoltaic module is directly arranged on the wind wheel component, so that the wind wheel component is connected with the photovoltaic module, the whole wind power generation device is simpler and more reasonable, the whole structure is simple, the power generation efficiency of the photovoltaic module is improved, the service life of the photovoltaic module is prolonged, land resources are saved, and the comprehensive cost is reduced.

Description

Wind power generation device

Technical Field

The utility model relates to a power generation facility technical field, more specifically say, relate to a wind power generation set.

Background

Wind power generators and photovoltaic generators are used as renewable clean energy sources, are energy-saving and environment-friendly, and are applied more and more, and the wind power generators and the photovoltaic generators are also the most main components of future energy sources.

Wind power generation and photovoltaic power generation in the prior art are separately arranged, the overall comprehensive cost is high, the photovoltaic modules are placed in a plane discharge mode in the traditional photovoltaic modules, a large amount of land resources are occupied, and the power generation efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind power generation device to solve wind power generation and photovoltaic power generation among the prior art and all separately set up, whole comprehensive cost is higher, and photovoltaic module is placed to the mode that traditional photovoltaic module adopted the plane to discharge, need occupy a large amount of land resources, the lower technical problem of generating efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a wind power generation device, include:

a vertical shaft transmission structure;

the wind wheel structure, vertical axis transmission structure locates the central authorities of wind wheel structure, wherein, the wind wheel structure includes:

and the wind wheel component is arranged on the vertical shaft transmission structure and connected with the vertical shaft transmission structure so as to drive the vertical shaft transmission structure to rotate.

The wind power generation device according to the above, wherein the wind wheel assembly comprises a cross bracket and at least two blade units, wherein each blade unit comprises:

a first blade;

the first blade and the second blade are connected with the transverse support to form a closed end, the first blade and the second blade are obliquely arranged to form an included angle, and a first opening is formed on the opposite side of the closed end;

the side baffle is arranged on the edge between the first blade and the second blade and connected with the first blade and the second blade, and a second opening is formed in the opposite side of the side baffle.

According to the wind power generation device, the first blade is positioned at the upper part of the second blade, and the first blade is provided with a double-sided photovoltaic assembly.

According to the wind power generation device, the light reflecting sheet is arranged on one side, close to the first blade, of the second blade.

According to the wind power generation device, the side baffle is a transparent side baffle.

According to the wind power generation device, the included angle formed by the first blade and the horizontal plane where the transverse bracket is located ranges from 0 degree to 45 degrees, and the included angle formed by the photovoltaic module and the horizontal plane where the transverse bracket is located ranges from 0 degree to 45 degrees;

and/or the included angle formed by the second blade and the horizontal plane where the transverse bracket is located ranges from 0 degree to 45 degrees.

According to the wind power generation device, the second blade is provided with a first window of an overspeed protection device, the first window is positioned at a corner formed by the first blade, the second blade and the side baffle, the first window is provided with a first window sash plate, and the first window sash plate and the second blade can be connected in an opening and closing manner;

and/or a second window is formed in the side baffle, a second window sash plate is arranged at the second window, and the second window sash plate is connected with the side baffle in an openable and closable manner.

According to the wind power generation device, the wind wheel assembly comprises four blade units, the transverse support is in a cross shape, one blade unit is arranged on each supporting arm of the transverse support, and the blade units are arranged in a central symmetry mode at intervals.

According to the wind power generation device, the wind wheel structure further comprises a water drainage component, and the water drainage component is connected with the wind wheel component;

the drainage assembly comprises a drainage pipe, a water inlet is formed in the drainage pipe, a water outlet is formed in the outer edge of the drainage pipe, and the water outlet is formed in one side, opposite to the rotation direction of the wind wheel structure, of the water outlet.

According to the wind power generation device, the vertical shaft transmission structure comprises:

a support base;

the motor is arranged on the supporting base and is connected with the supporting base;

the transmission mechanism is arranged above the motor and connected with a motor rotating shaft of the motor, and the transmission mechanism is connected with the wind wheel component;

and the magnetic suspension bearing is arranged between the support base and the wind wheel assembly and is connected with the support base and the wind wheel assembly.

The utility model provides a wind power generation set's beneficial effect lies in at least:

the utility model provides a wind power generation set locates the wind wheel subassembly the vertical axis transmission structure is last and be connected with vertical axis transmission structure, and the wind wheel subassembly drives vertical axis transmission structure and rotates under the effect of wind power, realizes wind power generation. Further, the utility model discloses can be directly with photovoltaic module setting on the wind wheel subassembly for the wind wheel subassembly links together with photovoltaic module, and then realizes that whole wind power generation set is succinct reasonable more, and overall structure is simple, has still improved photovoltaic module's generating efficiency and has prolonged photovoltaic module's life, has practiced thrift land resource, has reduced the comprehensive cost. The utility model provides a wind power generation set can be used to centralized and distributed photovoltaic power generation, is used as street lamp, wayside pavilion, sun shade, sentry box etc..

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a wind power generation device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a wind power generation apparatus provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a wind wheel structure provided by an embodiment of the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 2;

FIG. 5 is an enlarged view of part A of FIG. 1;

fig. 6 is a schematic structural diagram of a vertical axis transmission structure according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a braking mechanism according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, the present embodiment provides a wind power generation device 100, including a wind wheel structure with drag + lift type, including: a vertical axis transmission structure 10; a wind wheel structure 20, wherein the vertical axis transmission structure 10 is disposed at the center of the wind wheel structure 20, and referring to fig. 3, the wind wheel structure 20 includes: the wind wheel assembly 210 is arranged on the vertical shaft transmission structure 10 and connected with the vertical shaft transmission structure 10 so as to drive the vertical shaft transmission structure 10 to rotate; and the photovoltaic module 220 is arranged on the wind wheel assembly 210 and is connected with the wind wheel assembly 210.

The wind turbine generator 100 according to the present embodiment operates as follows:

in the wind power generation apparatus 100 provided in this embodiment, the wind wheel assembly 210 is disposed on the vertical axis transmission structure 10 and connected to the vertical axis transmission structure 10, and the wind wheel assembly 210 drives the vertical axis transmission structure 10 to rotate under the action of wind force, so as to generate power. Meanwhile, the photovoltaic module 220 is directly arranged on the wind wheel assembly 210 in the embodiment, the power generation efficiency of the photovoltaic module 220 is improved, the service life of the photovoltaic module 220 is prolonged, land resources are saved, and the comprehensive cost is reduced, and the method specifically comprises the following steps:

first, temperature. The power generation efficiency is reduced when the temperature of the photovoltaic module 220 is too high, which is the temperature characteristic of the photovoltaic module 220, generally speaking, the power of the photovoltaic module is reduced when the temperature is increased, after the temperature of a panel of the photovoltaic module exceeds 25 ℃, the typical power temperature coefficient is-0.40%/° c, namely, the power is reduced by 0.40% when the temperature of the photovoltaic module is increased by 1 ℃, the temperature of a conventional photovoltaic module easily reaches 50-70 ℃ under the irradiation of strong sunlight, and the continuous rising temperature not only reduces the photoelectric conversion rate, but also shortens the service life of a battery.

And this embodiment directly sets up photovoltaic module 220 on wind wheel subassembly 210, and whole wind wheel structure 20 easily rotates the start, normally begins to rotate under the breeze circumstances, and photovoltaic module 220 is blown at rotatory in-process two-sided wind, and the temperature can descend naturally to the generating efficiency of photovoltaic module 220 has been improved, and the life of photovoltaic module 220 has been prolonged.

Second, cleanliness. When a dust covering layer is formed on the surface of the photovoltaic module 220, sunlight penetration is weakened, the light receiving amount of the photovoltaic module 220 and the total electric energy output amount of the photovoltaic module 220 are remarkably reduced, the reduction range of the generated energy reaches 5% -45%, and the important reason for influencing the working efficiency of a photovoltaic power generation system is that manual and timing cleaning is added to the photovoltaic module 220, so that the maintenance cost is increased.

And this embodiment is direct with photovoltaic module 220 setting on wind wheel component 210, under the effect of wind force, whole wind wheel structure 20 is driven and rotates, in strong wind and heavy rain, more natural going on the face clean, and clear photovoltaic module 220 has directly increased the generated energy, has still reduced the maintenance cost simultaneously.

Third, the light-receiving surface of the photovoltaic module 220 is increased. The traditional photovoltaic module 220 adopts a plane arrangement mode to place the photovoltaic module 220, and temporarily uses a large amount of land resources.

The power generation equipment of the embodiment is in a three-dimensional design, the wind wheel structures 20 can be arranged from low to high according to the light direction, different levels of incoming wind can be received by different heights of the wind wheel structures 20, and the photovoltaic modules 220 with different corresponding layer heights can be irradiated by sunlight, so that more photovoltaic modules 220 can be added to the land with the same area, the power generation amount is directly increased, and social land resources are saved.

Fourthly, the comprehensive cost is reduced. Photovoltaic power generation systems, wind power generation systems, where there are a large number of common components and systems of identity, rectifiers, inverters, circuitry, control systems, energy storage systems, support systems for structures, foundation bases, etc. for both power generation systems.

The wind-solar power generation system combines the wind-solar power generation and the wind-solar power generation, saves a large amount of spare parts and system equipment cost systematically, and greatly shortens the total investment recovery period.

The wind power generation device 100 provided by the embodiment has at least the following beneficial effects:

in the wind power generation apparatus 100 provided in this embodiment, the wind wheel assembly 210 is disposed on the vertical axis transmission structure 10 and connected to the vertical axis transmission structure 10, and the wind wheel assembly 210 drives the vertical axis transmission structure 10 to rotate under the action of wind force, so as to implement wind power generation. Meanwhile, the photovoltaic module 220 is directly arranged on the wind wheel assembly 210, so that the wind wheel assembly 210 is connected with the photovoltaic module 220, the whole wind power generation device 100 is simple and free of atmosphere, the overall structure is simple, the power generation efficiency of the photovoltaic module 220 is improved, the service life of the photovoltaic module 220 is prolonged, land resources are saved, and the comprehensive cost is reduced. The wind power generation device 100 provided by the embodiment can be used as a street lamp, a pavilion, a sunshade, a sentry box and the like.

In a preferred embodiment, referring to fig. 3, the wind wheel assembly 210 includes a horizontal bracket 211 and at least two blade units 212, wherein each of the blade units 212 includes: a first blade 2121; the first blade 2121 and the second blade 2122 are connected with the transverse support 211 to form a closed end, the first blade 2121 and the second blade 2122 are obliquely arranged to form an included angle, and a first opening is formed on the opposite side of the closed end; and a side guard 2123 provided at an edge between the first blade 2121 and the second blade 2122 and connected to the first blade 2121 and the second blade 2122, and having a second opening at an opposite side of the side guard 2123.

Since the first blade 2121 and the second blade 2122 included in the blade unit 212 are respectively connected to the cross bracket 211, and the first blade 2121 and the second blade 2122 form a closed end at the cross bracket 211, and the first blade 2121 and the second blade 2122 are arranged obliquely, so that the first blade 2121 and the second blade 2122 form an included angle, and the opposite side of the closed end has a first opening, and meanwhile, since the side barrier 2123 is arranged at the edge of the first blade 2121 and the second blade 2122, and the opposite side of the side barrier 2123 has a second opening, so that the first blade 2121, the second blade 2122, and the side barrier 2123 form a triangular cavity, and the first opening and the second opening are communicated, the structure is simple, the cost is low, external wind can be blown into the triangular cavity through the first opening and discharged from the second opening, so as to drive the entire blade unit 212 and the cross bracket 211 to rotate, thereby realizing wind power generation, and when the blade unit 212 rotates, a wind-sweeping surface (the cross section of the wind-sweeping surface formed in this embodiment is rectangular) is added, so that the power generation efficiency of wind energy is improved, and further, because the wind wheel assembly 210 includes two or more blade units 212, wind coming from a plurality of different directions is realized to drive the plurality of blade units 212 to rotate simultaneously, so that the power generation efficiency of wind energy is further improved.

In a preferred embodiment, referring to fig. 3, the first blade 2121 is located above the second blade 2122, the photovoltaic devices 220 are disposed on both sides of the first blade 2121, and the reflective sheet 2124 is disposed on one side of the second blade 2122 close to the first blade 2121.

Under the condition that the area and the power generation efficiency of the photovoltaic module 220 are constant, the power generation amount of the photovoltaic system is determined by the radiation intensity of the sun, that is, the solar illumination intensity directly affects the power generation efficiency of the cell. In the embodiment, because the photovoltaic modules 220 are disposed on both sides of the first blade 2121, for convenience of description, the photovoltaic module 220 disposed on a side of the first blade 2121 away from the second blade 2122 is referred to as a first photovoltaic surface, the photovoltaic module 220 disposed on a side of the first blade 2121 close to the second blade 2122 is referred to as a second photovoltaic surface, and meanwhile, the reflector 2124 is disposed on a side of the second blade 2122 close to the first blade 2121, when sunlight directly irradiates on the first photovoltaic surface in the presence of sunlight, photovoltaic power generation is realized, further, due to the arrangement of the reflector 2124, the power generation amount of the sunlight reflected by the second photovoltaic surface through the reflector 2124 can reach 65% to 85% of the power generation amount received by the first photovoltaic surface directly irradiating, and diffuse reflection in snow can also increase the power generation amount of the double-sided photovoltaic module 220 by 10% to 15%, it can be seen that, in this embodiment, the photovoltaic modules 220 are disposed on both sides of the first blade 2121, and the reflective sheet 2124 is disposed on the second blade 2122, so that the power generation amount of the photovoltaic modules 220 is greatly improved, and meanwhile, the power generation efficiency of the light energy can be further improved by matching with the rotation of the wind wheel structure 20.

In another embodiment, the first blade 2121 is located above the second blade 2122, and the photovoltaic module 220 is disposed on a side of the first blade 2121 away from the second blade 2122, so that solar power generation can be realized by only receiving sunlight.

Optionally, the first blade 2121 is a double-sided crystalline silicon/thin film photovoltaic module 220.

Optionally, the first blade 2121 is a single-sided crystalline silicon/thin film photovoltaic module 220.

In a preferred embodiment, the side guard 2123 is a transparent side guard. The side baffle 2123 is a transparent side baffle, so that sunlight can conveniently enter the triangular cavity and be reflected to the second photovoltaic surface through the reflector 2124, and the power generation efficiency of the photovoltaic module 220 is further improved.

In a preferred embodiment, with continued reference to fig. 3, the side guard 2123 has a protrusion 21231, and the protrusion 21231 protrudes outward away from the second opening.

Since the protrusion 21231 is disposed on the side guard 2123, and the protrusion 21231 protrudes outward toward the side away from the second opening, that is, the protrusion 21231 protrudes outward toward the side away from the triangular cavity, when the triangular cavity is driven by external wind to rotate the entire blade unit 212, the protrusion 21231 can reduce the resistance of the blade unit 212 to rotate, thereby improving the generating efficiency of wind energy.

Optionally, the tab 21231 is located in the middle of the side guards 2123.

Optionally, the side guard 2123 comprises a first side guard and a second side guard, one end of the first side guard is connected to the first blade 2121, one end of the second side guard is connected to the second blade 2122, and the other end of the first side guard is connected to the other end of the second side guard to form the convex portion 21231. Optionally, the protrusion 21231 is shaped as an exterior convex corner. Optionally, the shape of the protrusion 21231 is convex arcuate.

In a preferred embodiment, an included angle formed by the first blade 2121 and the horizontal plane of the transverse support 211 ranges from 0 ° to 45 °, an included angle formed by the photovoltaic module 220 and the horizontal plane of the transverse support 211 ranges from 0 ° to 45 °, an included angle formed by the second blade 2122 and the horizontal plane of the transverse support 211 ranges from 0 ° to 45 °, that is, an included angle formed by the first blade 2121 and the second blade 2122 ranges from 0 ° to 90 °.

The principle of the total solar radiation on the inclined plane and the direct and scattered solar radiation separation can be known as follows: the total amount of solar radiation (Ht) on the inclined plane is made up of the direct solar radiation amount (Hbt), the sky scattering amount (Hdt) Hdt and the ground reflection radiation amount (Hrt), i.e.: ht Hbt + Hdt + Hrt. In the same geographical position, due to different installation inclination angles of the photovoltaic modules, the absorption accumulation amount of sunlight is different, and the accumulation difference of radiation amount causes the difference of power generation amount. The included angle range value between the photovoltaic module 220 and the transverse support 211 in the embodiment is 0-45 degrees, more photovoltaic modules 220 are perpendicular to or approximately perpendicular to the sunlight all day long, and other panels can play a role in reflection, so that more generated energy can be generated.

Under the condition of only wind, the included angle range value formed by the first blade 2121 and the second blade 2122 and the transverse support 211 is set to be 0-45 degrees, the wind sweeping area is increased, and the wind power generation efficiency is improved.

Optionally, an included angle between the first blade 2121 and the transverse support 211 is 15 to 35 °, an included angle between the photovoltaic module 220 and the transverse support 211 is 15 to 35 °, and an included angle between the second blade 2122 and the transverse support 211 is 15 to 35 °.

Optionally, the first blade 2121 and the included angle value that the lateral frame 211 becomes is 30 °, the photovoltaic module 220 and the included angle value that the lateral frame 211 becomes is 30 °, the second blade 2122 and the included angle value that the lateral frame 211 becomes is 30 °, so that the triangle chamber that forms is the equilateral triangle chamber.

It should be understood that the included angle between the first blade 2121 and the cross bracket 211, the included angle between the photovoltaic module 220 and the cross bracket 211, and the included angle between the second blade 2122 and the cross bracket 211 are not limited to the above values, and may be other values, which are not limited herein.

Optionally, the edge of the second blade 2122 at the second opening is toothed, so that the wind entering from the first opening can uniformly flow out of the triangular cavity from the second opening, and the blade unit 212 is pushed to rotate more smoothly.

In a preferred embodiment, referring to fig. 3, a supporting post 2128 having a wing-shaped cross section is further disposed between the first blade 2121 and the second blade 2122, and the supporting post 2128 is located at an opposite side of the side guard 2123. The wing section support column 2128 not only serves to support the first blade and the second blade in the longitudinal direction, but also has a cross section of an aircraft wing section, so that the wing section support column can serve as a lifting force, and when a wind current flows through the wing section support column, a hydrodynamic lifting force effect can be formed (similar to a sail of a sailing boat, a driving component force is generated in the forward direction by the wind current). In a preferred embodiment, the airfoil support post 2128 is also configured to be controllably rotatable to better utilize the tangential component of the wind flow. In a simple construction, a guide vane can be arranged directly on the support column, so that, by means of a preliminary design and adjustment, the support column 2128 is held in a position for achieving the greatest tangential force component by means of the wind flow.

The support post 2128 forms a stable triangular cavity structure together with the first blade 2121, the second blade 2122 and the side guard 2123. And because the cross section of the supporting column 2128 is wing-shaped, four wing-shaped supporting columns 2128 of four triangular cavities form another H-shaped four lift-type fan blade in the integral wind wheel structure 20 (in the relative motion of the wind wheel structure and the incoming wind, the wing-shaped supporting columns 2128 obtain resistance and lift, and in the motion, the surfaces on two sides of the wing-shaped supporting columns 2128 generate pressure difference, which is the main lift source of the wing-shaped supporting columns 2128, and the lift enables the wind wheel structure to obtain effective torque), so that the wind wheel structure 20 in this embodiment becomes a resistance-type and lift-type combined wind wheel structure, and the resistance-type combined wind wheel structure is easy to start by matching with the vertical shaft transmission structure 10 included in the wind power generation device 100, and the lift-type wind wheel can obtain higher wind energy utilization rate.

In a preferred embodiment, referring to fig. 3 and 4, a first window 21221 is formed on the second blade 2122, the first window 21221 is located at a corner formed by the first blade 2121, the second blade 2122 and the side guard 2123, a first sash plate 2125 is disposed at the first window 21221, and the first sash plate 2125 is connected to the second blade 2122 in an openable and closable manner.

When the wind power reaches the set cut-out wind speed, the first sash plate 2125 is pushed by the wind power to open the first window 21221 outwards, the first window 21221 penetrates through the wind to immediately weaken the thrust of the wind on the wind wheel structure 20, the rotating speed of the wind wheel structure 20 is reduced, the first sash plate 2125 gradually returns to the original position until the first window 21221 is closed, the rotating speed of the wind wheel structure 20 returns to the normal range, and the wind speed over-speed protection is realized through the arrangement of the first window 21221 and the first sash plate 2125.

Optionally, referring to fig. 4, the first sash plate 2125 is triangular, one side of the first sash plate 2125 near the first opening is connected to the second vane 2122 by at least one hinge 2126, and the other two sides of the first sash plate 2125 are connected to the second vane 2122 by at least one overspeed protection member 2127.

When external wind enters the triangular cavity from the first opening, the first sash plate 2125 is pushed by the wind to open the first window 21221, i.e. the first sash plate 2125 and the second sash 2122 are opened by the two sides connected by the overspeed protection member 2127 and rotate around the second sash 2122 via the hinge 2126 to open the first window 21221, and when the rotation speed of the wind wheel structure 20 is reduced, the first sash plate 2125 is restored to the original position by the overspeed protection member 2127 to close the first window 21221.

Optionally, the overspeed protection member 2127 comprises a zigzag connector 21271, a spring 21272, the zigzag connector 21271 being connected to both the first sash plate 2125 and the second vane 2122, and the spring 21272 being connected to both the first sash plate 2125 and the second vane 2122.

Optionally, the first sash plate 2125 and the second blade 2122 are further connected by a damper disposed at one side of the first sash plate 2125 and the second blade 2122 passing through the overspeed protector 2127. Correspondingly, the side is provided with two overspeed protectors 2127, and the damper is disposed between the two overspeed protectors 2127. Optionally, the number of hinges 2126 is two.

It should be understood that the structure for connecting the first sash plate 2125 and the second vane 2122 in an opening and closing manner is not limited to the above structure, and other structures are also possible, and are not limited herein.

In another preferred embodiment, the side cover 2123 is provided with a second window (not shown, the same below), and a second window plate (not shown, the same below) is disposed at the second window, and the second window plate is connected to the side cover 2123 in an openable manner.

When the wind power reaches the set cut-out wind speed, the second window sash plate is pushed by the wind power to open the second window outwards, the second window penetrates the wind to weaken the thrust of the wind to the blade unit 212 immediately, the rotating speed of the whole wind wheel structure 20 is reduced along with the reduction of the rotating speed, the second window sash plate gradually restores to the original position until the second window is closed, the rotating speed of the wind wheel structure 20 returns to the normal range, and the wind speed over-speed protection is realized through the arrangement of the second window and the second window sash plate.

In another preferred embodiment, the second blade 2122 is provided with a first window 21221, the first window 21221 is located at a corner formed by the first blade 2121, the second blade 2122 and the side guard 2123, the first window 21221 is provided with a first sash plate 2125, and the first sash plate 2125 is connected to the second blade 2122 in an openable and closable manner. The side guard 2123 is provided with a second window (not shown in the figure, the same below), a second window sash plate (not shown in the figure, the same below) is arranged at the second window, and the second window sash plate is connected with the side guard 2123 in an openable and closable manner.

When the wind power reaches the set cut-out wind speed, the first sash plate 2125 and the second sash plate are simultaneously pushed by the wind power to open the first window 21221 and the second window outwards, the thrust of the wind to the wind wheel structure 20 is immediately weakened by the ventilation of the first window 21221 and the second window, the rotating speed of the wind wheel structure 20 is reduced, the first sash plate 2125 and the second sash plate gradually recover to the original positions until the first window 21221 and the second window are closed, the rotating speed of the wind wheel structure 20 returns to the normal range, and the wind speed overspeed protection is realized through the arrangement of the first window 21221, the first sash plate 2125, the second window and the second sash plate.

Optionally, a connection structure for realizing the opening and closing connection between the second sash plate and the side guard 2123 is the same as a connection structure for realizing the opening and closing connection between the first sash plate 2125 and the second blade 2122, and details are not described here.

In a preferred embodiment, referring to fig. 3, the wind wheel assembly 210 includes four blade units 212, the cross-shaped support 211 includes a support arm 2111 on which one blade unit 212 is disposed, and the blade units 212 at intervals are in central symmetry.

Because the cross bracket 211 is cross, also the cross bracket 211 includes four support arms 2111, and four blade units 212 set up respectively on four support arms 2111 to make four blade units 212 also arrange and be cross, and alternate blade unit 212 is central symmetry and sets up, thereby make four blade units 212 receive the incoming wind of different position respectively, also the whole wind wheel subassembly 210 of also can receive the incoming wind of four sides, improved wind power generation efficiency.

In a preferred embodiment, referring to fig. 1, 3 and 5, the wind wheel structure 20 further comprises a water drainage assembly 230, wherein the water drainage assembly 230 is connected with the wind wheel assembly 210; the drainage assembly 230 includes a drainage pipe 231, a water inlet 2311 is disposed on the drainage pipe 231, a drainage port 2312 is disposed on an outer edge of the drainage pipe 231, and the drainage port 2312 is disposed on a side opposite to a rotation direction of the wind wheel structure 20.

Rainwater flows into the drain pipe 231 through the water inlet 2311 along the photovoltaic module 220, water in the drain pipe 231 flows to the water outlet 2312 on the outer edge of the drain pipe 231, the water outlet 2312 is located towards the side opposite to the rotating direction of the wind wheel structure 20, reaction force is generated during rainwater drainage, the whole wind wheel structure 20 is pushed to rotate, and then the driving motor 120 generates power, so that the wind-free and light-free situation is achieved, the power generation time is prolonged, and further the generated energy is increased.

Optionally, the water inlet 2311 is a quarter of the surface of the drain pipe, which not only facilitates the entry of rainwater, but also facilitates the collection of rainwater, so that the rainwater cannot overflow from the water inlet 2311.

Optionally, the wind wheel assembly 210 includes a plurality of blade units 212, and a drainage pipe 231 is disposed at a position of the support arm 2111 corresponding to each blade unit 212, so that rainwater collected in the drainage pipes 231 is drained from the drainage port 2312 at the same time, and the wind wheel structure 20 is further pushed to rotate better, thereby realizing power generation of the driving motor 120.

In a preferred embodiment, referring to fig. 6, the vertical axis transmission structure 10 includes: a support base 110; the motor 120 is arranged on the supporting base 110 and connected with the supporting base 110; the transmission mechanism 130 is arranged above the motor 120 and connected with the motor rotating shaft 121 of the motor 120, and the transmission mechanism 130 is connected with the wind wheel assembly 210; the magnetic suspension bearing 140 is disposed between the support base 110 and the wind wheel assembly 210, and is connected to both the support base 110 and the wind wheel assembly 210, and the magnetic suspension bearing 140 is disposed at the periphery of the motor rotating shaft 121.

Because the wind wheel assembly 210 is connected with the transmission mechanism 130 and the transmission mechanism 130 is connected with the motor rotating shaft 121, under the action of external thrust (wind power or water power), the wind wheel is pushed by the external thrust to rotate, and the wind wheel assembly 210 is linked with the motor rotating shaft 121 to rotate through the transmission mechanism 130, so that the motor 120 realizes wind power generation; meanwhile, because the magnetic suspension bearing 140 is arranged between the support base 110 and the wind wheel assembly 210, and the magnetic suspension bearing 140 has the characteristics of no abrasion, no lubrication, less heat generation, no power consumption and the like, the wind wheel assembly 210 can effectively rotate under the action of external micro-thrust (micro-wind force or micro-water force) through the action of the magnetic suspension bearing 140, so that the motor 120 can also rotate to generate power under the condition of the external micro-thrust, and low energy consumption and low cost are realized; by arranging the magnetic suspension bearing 140, the connecting position with the wind wheel assembly 210 is increased, so that the wind wheel assembly 210 is more stable in the rotating process; by adopting the magnetic suspension bearing 140, no abrasion and no contact are realized, so that the phenomenon that the wind power generation device 100 using the vertical shaft transmission structure 10 generates resonance is avoided, and the stability and the reliability of the wind power generation device 100 are improved.

In a preferred embodiment, with continued reference to fig. 6, the magnetic suspension bearing 140 includes: the stator 141 is annular, a permanent magnet is arranged on the stator 141, and the stator 141 is connected with the support base 110; the rotor 142 is annular, the rotor 142 is provided with a permanent magnet, the rotor 142 is arranged above the stator 141 and connected with the wind wheel assembly 210, the stator 141 and the rotor 142 repel each other and have a first gap 143, and the rotor 142 can rotate relative to the stator 141 under the action of the wind wheel assembly 210.

Under the action of external micro-thrust (micro-wind force or micro-water force), the wind wheel assembly 210 is stressed, and the rotor 142 and the stator 141 repel each other under the action of a magnetic field and have the first gap 143, so that the wind wheel assembly 210 can easily drive the rotor 142 to rotate relative to the stator 141, the rotor 142 and the stator 141 are always kept to have the first gap 143, the rotor 142 and the stator 141 are not in contact and have no friction, and the transmission mechanism 130 is further used for being linked with the motor rotating shaft 121 to rotate more efficiently, so that power generation is realized. The magnetic suspension bearing 140 provided by the embodiment has a simple structure and runs stably.

Optionally, the first gap 143 has a size ranging from 8mm to 12 mm. Optionally, the size of the first gap 143 is 10 mm. It should be understood that the size of the first gap 143 is not limited to the above-mentioned case, and other cases are also possible, and is not limited herein.

In a preferred embodiment, with continued reference to fig. 6, the magnetic suspension bearing 140 further includes an auxiliary bearing 144, wherein the auxiliary bearing 144 is disposed on an inner sidewall of the stator 141; the magnetic suspension bearing 140 further includes a receiving portion 145, and the receiving portion 145 is disposed on an inner sidewall of the rotor 142; the auxiliary bearing 144 and the bearing 145 have a second gap 146, and the second gap 146 is smaller than the first gap 143.

In the magnetic suspension bearing 140, under normal conditions (without loss of field), the rotor 142 rotates relative to the stator 141, and a first gap 143 is always maintained between the rotor 142 and the stator 141. When the rotor 142 and the stator 141 are in a loss of magnetism state, the rotor 142 moves towards the stator 141 until the receiving part 145 arranged on the inner side of the rotor 142 is connected with the auxiliary bearing 144 arranged on the inner side wall of the stator 141, and because the second gap 146 between the auxiliary bearing 144 and the receiving part 145 is smaller than the first gap 143 under the condition of no loss of magnetism, when the receiving part 145 is connected with the auxiliary bearing 144, a gap is also formed between the rotor 142 and the stator 141, so that the receiving part 145 is conveniently matched with the auxiliary bearing 144, and the wind wheel assembly 210 can drive the rotor 142 to rotate relative to the stator 141 under the action of wind power or water power. It can be seen that the arrangement of the receiving portion 145 and the auxiliary bearing 144 improves the stability of the vertical axis transmission structure 10 as a whole, and the structure is simple, and meanwhile, the receiving portion 145 is also used for limiting the rotation track of the rotor 142.

Optionally, the second gap 146 has a size ranging from 4mm to 6 mm. Optionally, the second gap 146 has a dimension of 5 mm. It should be understood that the size of the second gap 146 is not limited to the above-mentioned case, and other cases are also possible, and is not limited herein.

In a preferred embodiment, with continued reference to fig. 6, the magnetic suspension bearing 140 is sleeved with a baffle 147 for blocking dust and preventing the dust from entering the magnetic suspension bearing 140.

In a preferred embodiment, a through hole is formed in the middle of the transverse bracket 211; the transmission mechanism 130 comprises a planetary gear 131, the planetary gear 131 is arranged in the through hole and connected with the wall of the through hole, and the motor rotating shaft 121 is connected with the planetary gear 131.

Because the transmission mechanism 130 comprises the planet gear 131, the planet gear 131 is stably connected with the transverse support 211 of the wind wheel assembly 210, and the planet gear 131 is also connected with the motor rotating shaft 121, so that the transverse support 211 is linked with the planet gear 131 to rotate and the planet gear 131 is linked with the motor rotating shaft 121 to rotate under the action of external thrust (wind power or water power) of the wind wheel assembly 210, and the power generation of the driving motor 120 is realized, the structure is simple, and the transmission ratio of the motor 120 can be improved by adopting the planet gear 131, and the power generation efficiency of the motor 120 is improved.

In a preferred embodiment, with continued reference to fig. 6, the planetary gear 131 includes a ring gear 1311, a sun gear 1312, and a pinion 1313, the sun gear 1312 is disposed in the ring gear 1311, at least one pinion 1313 is disposed on the periphery of the sun gear 1312, the pinion 131 meshes with the sun gear 1312 and the ring gear 1311, respectively, and the gear portion at the end of the motor rotation shaft 121 meshes with the sun gear 1312.

In a preferred embodiment, continuing to refer to fig. 6, the pinion gears 1313 are coupled to the support base 110 via planet shafts 13131. Thereby enabling the entire planetary gear 131 to be more stably coupled in the through hole of the cross bracket.

Optionally, three of the pinion gears 1313 are disposed around the sun gear 1312, and three of the pinion gears 1313 are uniformly disposed around the sun gear 1312. It should be understood that the number of the peripheral pinion gears 1313 of the sun gear 1312 is not limited to three as described above, but may be other numbers, such as four, etc., without limitation.

In a preferred embodiment, with continued reference to fig. 6, the vertical axis transmission structure 10 further includes a braking mechanism 150, and the braking mechanism 150 is used for controlling the motor 120 to stop rotating.

In a preferred embodiment, with continued reference to fig. 6, the braking mechanism 150 includes: a brake motor 151; and the brake band 152 surrounds the motor rotating shaft 121, and the brake band 152 is connected with the brake motor 151.

When the motor 120 needs to be controlled to stop rotating, the braking belt 152 is adjusted by controlling the braking motor 151, so that the braking belt 152 tightly holds the motor rotating shaft 121, the motor rotating shaft 121 is prevented from continuing to rotate, the motor 120 is controlled to stop rotating, and the braking mechanism 150 is simple in structure and convenient to use.

In another preferred embodiment, referring to fig. 7, the braking mechanism 150 includes at least two braking elements, each of the braking elements includes: the brake clamp 153 is used for holding the motor rotating shaft 121; a V-shaped lever member 154, one end of the V-shaped lever member 154 is connected with the brake clamp 153, and the other end of the V-shaped lever member 154 is used for connecting the brake handle 31; and the elastic component 155, wherein the elastic component 155 is connected with the V-shaped lever member 154. Optionally, referring to fig. 7 and fig. 1, the brake handle 131 is disposed on the tower 30, and is convenient for an operator to manually operate the brake handle through a maintenance window 33 disposed on the tower 30, and the brake handle 31 is connected to the V-shaped lever 154 through the steel wire 32. When the motor 120 needs to be controlled to stop rotating, an operator operates the brake handle 131, one end of the V-shaped lever member 154 connected with the brake handle 131 is pulled, and then one end of the V-shaped lever member 154 connected with the brake clamp 153 is also pulled, so that the brake clamp 153 is driven to move and hold the motor rotating shaft 121, at the moment, the elastic component 155 generates elastic deformation, and when the brake handle 31 is operated again, the elastic component 155 recovers the elastic deformation and drives the V-shaped lever member 154 and the brake clamp 153 to recover to the original position.

Optionally, the part of the brake caliper 153 for embracing the motor shaft 121 is in an inward concave arc shape, and a brake pad 156 is disposed at the inward concave arc position, so that the brake caliper 153 tightly embraces the motor shaft 121 to control the motor shaft 121 to stop rotating.

Optionally, the supporting base 110 includes: the support base plate 111 is connected with the tower 30, and the motor 120 is arranged on the support base plate 111 and connected with the support base plate 111; a support part 112, wherein the support part 112 is arranged on the support base plate 111 and connected with the support base plate 111, and the magnetic suspension bearing 140 is arranged on the support part 112 and connected with the support part 112; the supporting frame 113 is arranged on the supporting base plate 111 and connected with the supporting base plate 111, the transmission mechanism 130 is connected with the supporting frame 113 through a planet shaft 13131, and the braking motor 120 is also arranged on the supporting frame 113. Optionally, the motor 120 is disposed in a cavity formed by the support frame 113 and the support base plate 111, and the motor shaft 121 penetrates through the support frame 113 and is connected to the transmission mechanism 130. Optionally, the brake caliper 153 is secured to the support base 110 by a connector.

In a preferred embodiment, referring to fig. 1, the wind power generation device 100 further includes a tower 30 and a base 40, the tower 30 is disposed above the base 40 and connected to the base 40, the vertical axis transmission structure 10 is disposed at the top end of the tower 30 and connected to the tower 30, and the wind wheel structure 20 is disposed above the vertical axis transmission structure 10 and connected to the vertical axis transmission structure 10.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A wind power plant, characterized by comprising:

a vertical shaft transmission structure;

the wind wheel structure, vertical axis transmission structure locates the central authorities of wind wheel structure, wherein, the wind wheel structure includes:

and the wind wheel component is arranged on the vertical shaft transmission structure and connected with the vertical shaft transmission structure so as to drive the vertical shaft transmission structure to rotate.

2. The wind power generation apparatus of claim 1, wherein the wind wheel assembly comprises a cross-brace and at least two blade units, wherein each of the blade units comprises:

a first blade;

the first blade and the second blade are connected with the transverse support to form a closed end, the first blade and the second blade are obliquely arranged to form an included angle, and a first opening is formed in the opposite side of the closed end;

the side baffle is arranged on the edge between the first blade and the second blade and connected with the first blade and the second blade, and a second opening is formed in the opposite side of the side baffle.

3. A wind power plant according to claim 2, wherein the first blade is located at an upper portion of the second blade, the first blade being provided with a bifacial photovoltaic module.

4. The wind power plant according to claim 3, wherein a reflector is provided on a side of the second blade adjacent to the first blade.

5. The wind power plant of claim 4, wherein the side barrier is a transparent side barrier.

6. The wind power generation device of claim 3, wherein the included angle formed by the first blade and the horizontal plane of the transverse support ranges from 0 ° to 45 °, and the included angle formed by the photovoltaic module and the horizontal plane of the transverse support ranges from 0 ° to 45 °;

and/or the included angle formed by the second blade and the horizontal plane where the transverse bracket is located ranges from 0 degree to 45 degrees.

7. The wind power generation device according to claim 2, wherein the second blade is provided with a first window of an overspeed protection device, the first window is positioned at a corner formed by the first blade, the second blade and the side baffle, the first window is provided with a first window sash plate, and the first window sash plate and the second blade are connected in an openable and closable manner;

and/or a second window is formed in the side baffle, a second window sash plate is arranged at the second window, and the second window sash plate is connected with the side baffle in an openable and closable manner.

8. The wind power generation device of claim 2, wherein the wind wheel assembly comprises four blade units, the cross-shaped support comprises a supporting arm on which one blade unit is arranged, and the blade units at intervals are in central symmetry.

9. The wind power plant of claim 1, wherein the wind wheel structure further comprises a water drainage assembly connected to the wind wheel assembly;

the drainage assembly comprises a drainage pipe, a water inlet is formed in the drainage pipe, a water outlet is formed in the outer edge of the drainage pipe, and the water outlet is formed in one side, opposite to the rotation direction of the wind wheel structure, of the water outlet.

10. The wind power plant of claim 1, wherein the vertical axis transmission structure comprises:

a support base;

the motor is arranged on the supporting base and connected with the supporting base;

the transmission mechanism is arranged above the motor and connected with a motor rotating shaft of the motor, and the transmission mechanism is connected with the wind wheel component;

and the magnetic suspension bearing is arranged between the support base and the wind wheel assembly and is connected with the support base and the wind wheel assembly.

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