CN209875381U

CN209875381U - Wind power generation device

Info

Publication number: CN209875381U
Application number: CN201920673773.4U
Authority: CN
Inventors: 王维碧
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2019-12-31
Anticipated expiration: 2029-05-10

Abstract

The utility model belongs to the technical field of green energy, and discloses a wind power generation device, which comprises a base plate, a sleeve arranged on the base plate and a rotating shaft movably penetrating through the sleeve, wherein one end of the rotating shaft is connected with an impeller, the other end of the rotating shaft is connected with a power transmission unit, and the power transmission unit is connected with a generator; and a wide-mouth wind gathering ring is arranged at the periphery of the impeller. The wind power generation device provided by the utility model is arranged horizontally, and the occupied area is small; the wide-mouth wind gathering ring can gather the fan to the impeller, the specially-made fan blades distributed in a cone shape can maximize the contact area between wind and the fan blades, and the power transmission unit can amplify the rotating speed of the rotating shaft and increase the input rotating speed of the generator, so that the moving wind energy is converted into electric energy to the maximum.

Description

Wind power generation device

Technical Field

The utility model belongs to the technical field of the green energy, concretely relates to wind power generation set.

Background

Wind power generation refers to converting kinetic energy of wind into electric energy. The sports wind energy is a clean and pollution-free renewable energy source, which has been used by people for a long time, mainly uses windmills to pump water, grind surfaces and the like, and at present, people are interested in how to use wind to generate electricity.

The wind power generation is very environment-friendly, and the amount of sports wind energy is huge, so that the wind power generation is increasingly paid attention by all countries in the world. However, the existing wind power station which develops rapidly is mainly a large-scale wind power station, small and medium-sized wind power generation in daily life is not taken into consideration, and a small-sized motion wind power generation device is also lacked.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a wind power generation device.

The utility model discloses the technical scheme who adopts does:

a wind power generation device comprises a base plate, a sleeve arranged on the base plate and a rotating shaft movably penetrating through the sleeve, wherein one end of the rotating shaft is connected with an impeller, the other end of the rotating shaft is connected with a power transmission unit, and the power transmission unit is connected with a generator; and a wide-mouth wind gathering ring is arranged at the periphery of the impeller.

Preferably, the impeller comprises fan blades distributed in a cone shape.

Preferably, the wide-mouth wind gathering ring comprises an inner ring and an outer ring, the outer ring is arranged on the periphery of the inner ring, at least four connecting columns are arranged between the outer ring and the inner ring, and the cross-sectional areas of the connecting columns gradually increase and then decrease along the direction of airflow; and a sealing plate is arranged between the outer ring and the inner ring, the sealing plate is positioned at the downstream of the connecting column along the direction of air flow, an air outlet is arranged on the inner ring, the air outlet faces the side surface of the impeller, and the air outlet is arranged between the sealing plate and the connecting column.

Preferably, an air outlet is arranged between the adjacent connecting columns.

Preferably, the fan blades are distributed anticlockwise.

Preferably, the rotating shaft is connected with the sleeve through at least one bearing.

Preferably, the power transmission unit includes a first gear and a second gear that are engaged with each other, the first gear being connected to the rotating shaft, and the second gear being connected to the input shaft of the generator.

Preferably, the power transmission unit comprises a first transmission wheel, a second transmission wheel and a conveyor belt, the first transmission wheel is connected with the rotating shaft, the second transmission wheel is connected with an input shaft of the generator, and the conveyor belt is sleeved on the first transmission wheel and the second transmission wheel.

Preferably, the first and second gears have a gear ratio of 3: 1.

Preferably, the impeller is made of aluminum alloy.

The utility model has the advantages that:

1. the wind power generation device provided by the utility model is arranged horizontally, and the occupied area is small; the wide-mouth wind gathering ring can gather the fan to the impeller, the specially-made fan blades distributed in a cone shape can maximize the contact area between wind and the fan blades, and the power transmission unit can amplify the rotating speed of the rotating shaft and increase the input rotating speed of the generator, so that the moving wind energy is converted into electric energy to the maximum.

2. The utility model discloses based on "conservation law" that the Romenuo sufu 1756 year proposed can reduce of certain form, must have the ability increase of other forms, and reduction volume and increment volume must equal. "macroscopic principle". When any object moves, the wind is necessarily broken to move ahead, and the wind energy generating device is utilized to convert the moving wind energy generated by the movement of the object into electric energy, wherein the object can be specific to all 'moving' objects with certain speed, such as automobiles, trains, motor trains, high-speed rails, and even aviation airplanes and ships. It should be noted that the above-mentioned certain speed is only required to reach the speed for driving the impeller to rotate to generate energy. The wind power generation device is arranged on moving objects such as automobiles, trains, motor cars, high-speed railways and the like, can widely recycle energy, meets the national requirements on energy conservation and environmental protection, can realize sustainable development, and really realizes great revival of Chinese nations.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the wind power generation device of the present invention.

Fig. 2 is a schematic view of the position of the impeller of the wind power generation device of the present invention in the wide-mouthed wind collecting ring.

Fig. 3 is a schematic structural diagram of a wind power generation apparatus according to another embodiment of the present invention.

Fig. 4 is a sectional view of the wide-mouthed wind-gathering ring of the present invention.

Fig. 5 is a cross-sectional view of the connection post of the present invention.

In the figure: 1-a substrate; 2-a sleeve; 3-a rotating shaft; 4-a generator; 5-wide mouth wind gathering ring; 501-inner ring; 502-outer loop; 503-connecting column; 504-sealing plate; 505-air outlet; 6-a first gear; 7-a second gear; 8-fan blades; 9-a choma; 10-clamping a hoop; 11-a first drive wheel; 12-a second transmission wheel; 13-conveyor belt.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that 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 implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and fig. 2, the present embodiment provides a wind power generation apparatus, which includes a base plate 1, a sleeve 2, a rotating shaft 3, an impeller, a power transmission unit, a generator 4, and a wide-mouthed wind-gathering ring 5, wherein the base plate 1 is used for bearing each component, the sleeve 2 is fixedly disposed on the base plate 1 through two hoops 10, the rotating shaft 3 movably passes through the sleeve 2, specifically, the rotating shaft 3 is connected with the sleeve 2 through two bearings, and the bearings can make the rotation of the rotating shaft 3 more stable and smooth.

One end of the rotating shaft 3 is connected with the impeller, the other end of the rotating shaft 3 is connected with the power transmission unit, the power transmission unit is connected with the generator 4, the wide-mouthed wind gathering ring 5 is arranged on the periphery of the impeller, and the wide-mouthed wind gathering ring 5 can be fixedly connected with the base plate 1 through the bracket. The wide-mouth wind gathering ring can concentrate a fan on the impeller, the impeller rotates to drive the rotating shaft 3 to rotate synchronously, the power transmission unit drives the input shaft of the generator 4 to rotate, and the electric power generated by the generator 4 can be directly used for daily use or stored through a battery.

The impeller comprises an orifice ring 9 and fan blades 8 distributed on the orifice ring 9 in a cone shape, and the orifice ring 9 can be fixedly connected with the rotating shaft 3. The number of fan blades 8 is fifteen or sixteen. When the number of the fan blades 8 is fifteen, three layers of 5 fan blades can be arranged on the mouth ring 9, and the fan blades 8 on each layer are distributed in a staggered manner, so that the contact area between the impeller and the wind is increased, the kinetic energy of the wind is converted into the kinetic energy of the rotating shaft 3 to the maximum extent, and then the kinetic energy is converted into electric energy through the generator 4.

The fan blades are distributed anticlockwise, so that the wind power generation device can be effectively cooled naturally by utilizing wind power. The impeller can be made of aluminum alloy, so that the impeller is light in weight under the condition of ensuring enough strength.

In this embodiment, the power transmission unit includes a first gear 6 and a second gear 7 that mesh with each other, the first gear 6 being connected to the rotating shaft 3, and the second gear 7 being connected to the input shaft of the generator 4. The first gear 6 and the second gear 7 have a gear ratio of 3: 1. Specifically, the first gear 6 is larger than the second gear 7, and when the first gear 6 rotates three times, the second gear 7 rotates exactly one time.

It should be noted that the transmission ratio of the first gear 6 and the second gear 7 is not limited to 3:1 in the present embodiment, and in other embodiments, it is only necessary to ensure that the first gear 6 is larger than the second gear 7.

In another embodiment, as shown in fig. 3, the power transmission unit comprises a first transmission wheel 11, a second transmission wheel 12 and a transmission belt 13, wherein the first transmission wheel 11 is connected with the rotating shaft 3, the second transmission wheel 12 is connected with the input shaft of the generator 4, and the transmission belt 13 is sleeved on the first transmission wheel 11 and the second transmission wheel 12. Specifically, the first driving wheel 11 is larger than the second driving wheel 12, when the rotating shaft 3 drives the first driving wheel 11 to rotate, the conveyor belt 13 drives the second driving wheel 12 to rotate, and the second driving wheel 12 drives the input shaft of the generator 4 to rotate.

The wind power generation device can be applied to all objects with a certain speed in daily life, such as running automobiles, trains, motor trains, high-speed rails, aviation airplanes and ships, after the base plate 1 can be placed, the wide-mouth wind gathering ring 5 faces the windward side and is arranged horizontally as a whole, the occupied area is small, the wide-mouth wind gathering ring can concentrate a fan at the impeller, the contact area between the wind and the fan blades can be maximized by the fan blades distributed in a cone shape, the rotating speed of the rotating shaft can be amplified by the power transmission unit, the input rotating speed of the generator is increased, and accordingly kinetic energy of the wind is converted into electric energy to the maximum.

The wide-mouth wind-gathering ring 5 comprises an inner ring 501 and an outer ring 502, the outer ring 502 is arranged on the periphery of the inner ring 501, in this embodiment, the inner ring 501 and the outer ring 502 have the same structure (different sizes), and are tubular bodies with larger openings, and the inner ring 501 and the outer ring 502 are coaxially arranged.

Six connecting columns 503 are arranged between the outer ring 502 and the inner ring 501, and the cross-sectional areas of the connecting columns 503 are gradually increased and then decreased along the direction of the air flow; the annular space between the outer ring 502 and the inner ring 501 between the adjacent connecting columns 503 forms an airflow accelerating channel, the size of the cross section of the airflow accelerating channel gradually decreases and then increases, and a structure similar to a venturi tube is formed, when airflow (i.e. wind) passes through the airflow accelerating channel, the airflow is extruded, and the flow speed is increased.

A sealing plate 504 is further arranged between the outer ring 502 and the inner ring 501, the sealing plate 504 is located at the downstream of the connecting column 503 along the direction of the air flow, an air outlet 505 is arranged on the inner ring 501, the air outlet 505 faces the side face of the impeller, and the air outlet 505 is arranged between the sealing plate 504 and the connecting column 503. The accelerated airflow meets the sealing plate 504 and turns to blow from the air outlet 505 to the side face of the impeller, the impeller is generally arranged in an inclined mode, the rotating speed of the impeller can be increased through the airflow blowing to the side face of the impeller, and the power generation efficiency is further improved.

In order to prevent the kinetic energy of the airflow from being lost too much, the air outlet 505 may be a slope and connected with the air outlet 505 in a smooth transition manner, and an air outlet 505 is disposed between adjacent connecting pillars 503.

The present invention is not limited to the above-mentioned alternative embodiments, and various other products can be obtained by anyone under the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims

1. A wind power generation device is characterized in that: the impeller comprises a base plate (1), a sleeve (2) arranged on the base plate (1) and a rotating shaft (3) movably penetrating through the sleeve (2), wherein one end of the rotating shaft (3) is connected with an impeller, the other end of the rotating shaft (3) is connected with a power transmission unit, and the power transmission unit is connected with a generator (4); and a wide-mouth wind gathering ring (5) is arranged at the periphery of the impeller.

2. A wind-powered electricity generation device according to claim 1, characterised in that: the wide-mouth wind gathering ring (5) comprises an inner ring (501) and an outer ring (502), the outer ring (502) is arranged on the periphery of the inner ring (501), at least four connecting columns (503) are arranged between the outer ring (502) and the inner ring (501), and the cross-sectional areas of the connecting columns (503) are gradually increased and then decreased along the direction of airflow; still be equipped with sealing plate (504) between outer ring (502) and inner ring (501), along the direction of air current, sealing plate (504) are located the low reaches of spliced pole (503), are equipped with air outlet (505) on inner ring (501), and air outlet (505) set up towards the side of impeller, and air outlet (505) are located between sealing plate (504) and spliced pole (503).

3. A wind-powered electricity generation device according to claim 2, characterised in that: an air outlet (505) is arranged between the adjacent connecting columns (503).

4. A wind-powered electricity generation device according to claim 1, characterised in that: the impeller comprises fan blades (8) distributed in a cone shape.

5. A wind-powered electricity generation device according to claim 4, characterised in that: the fan blades (8) are distributed anticlockwise.

6. A wind-powered electricity generation device according to claim 1, characterised in that: the rotating shaft (3) is connected with the sleeve (2) through at least one bearing.

7. A wind-powered electricity generation device according to claim 1, characterised in that: the power transmission unit comprises a first gear (6) and a second gear (7) which are meshed with each other, the first gear (6) is connected with the rotating shaft (3), and the second gear (7) is connected with an input shaft of the generator (4).

8. A wind-powered electricity generation device according to claim 7, characterised in that: the transmission ratio of the first gear (6) to the second gear (7) is 3: 1.

9. A wind-powered electricity generation device according to claim 1, characterised in that: the power transmission unit comprises a first transmission wheel (11), a second transmission wheel (12) and a conveyor belt (13), the first transmission wheel (11) is connected with the rotating shaft (3), the second transmission wheel (12) is connected with an input shaft of the generator (4), and the conveyor belt (13) is sleeved on the first transmission wheel (11) and the second transmission wheel (12).

10. A wind-powered electricity generation device according to claim 1, characterised in that: the impeller is made of aluminum alloy.