CN101255848B - Method and apparatus for generating power using wind energy - Google Patents

Abstract

The present invention provides a method for generating power by using wind power, which is characterized by comprising the following steps: a) selecting water resource at a place rich in wind power; b) vertically arranging a wind power collector above the water source, the wind power collector comprising a vertically arranged impeller body with a fan leaf which can rotate under the promotion of the wind power, wherein a helical upward water channel is arranged in the impeller body, the lower end of the impeller body extends into the water, when the impeller body rotates, the water at the lower end of the water channel lifts along the channel; c) connecting a water reservoir at a water outlet of the upper end of the impeller body, storing the pumped water; d) arranged a hydraulic generator at the water outlet of the water reservoir, guiding the water in the water reservoir to the hydraulic generator, thereby realizing power production. The present invention has advantages of: 1. electricity power exchanged by potential energy is stable; 2. potential energy of deposited water is simple; 3.wind energy collector has simple structure, low production cost and reduces operation cost.

Description

A method and device for generating electricity using wind energy

【Technical field】

The invention relates to a method and a device for generating electricity by utilizing wind energy.

【Background technique】

With the rapid development of the economy and the continuous expansion of the demand for electricity, the use of non-renewable energy sources such as oil, coal, and natural gas to generate electricity is facing the problems of increasingly scarce resources and soaring costs. Moreover, the pollution caused to the environment has brought a great negative impact on people's living environment. Therefore, more and more people are calling for the use of green energy.

Wind energy is a green and clean renewable energy. The use of wind energy to generate electricity has been favored by countries all over the world for nearly half a century, especially in developed countries such as Europe, America, and Japan, where the wind power industry has developed by leaps and bounds. Large-capacity and ultra-large-capacity fans are constantly emerging.

However, existing wind power generation generally has some technical obstacles: 1. The connection between wind power and the power grid is unstable. Due to the instability of wind power, the impact on the power grid is very easy to cause the power grid to collapse. 2. Regarding energy storage, although there are various energy storage methods at present, most of them are affected by the location of the region, so the conversion rate of wind energy into electrical energy is not high. 3. The overall area of the wind energy collection equipment is large, the collected energy is small, and it is difficult to maintain the motor at a high place. 4. The change of wind direction is often complicated, but the existing equipment cannot make adjustments in time according to the change of wind direction, so it cannot guarantee timely and effective collection of wind energy.

Therefore, aiming at the above-mentioned deficiencies, the present invention develops a new method and device for generating electricity using wind energy.

【Content of invention】

The purpose of the present invention is to provide a method and device for generating electricity using wind energy, which can effectively solve the existing technical problems. Its output power is stable, and it is convenient to collect and store energy. It is a reliable method for generating electricity using wind energy. .

In order to achieve the above object, the present invention adopts the following scheme:

A method for generating electricity using wind energy, characterized in that it is realized by the following steps: a. Selecting water resources in places with abundant wind energy; b. Installing a wind energy collection device vertically above the water resources, and the wind energy collection device includes The impeller body is vertically arranged, and the impeller body is provided with fan blades, so that it can rotate under the push of the wind. There is a spiral upward water passage in the impeller body, and the lower end of the impeller body is extended into the water. When the impeller When the body rotates, the water at the lower end of the water passage will be lifted upwards along the passage; c. A water storage device is connected to the water outlet at the upper end of the impeller body to store the pumped water; d. A hydraulic pressure is set at the outlet of the water storage device. The generator directs the water in the water storage device to the hydroelectric generator to generate electricity.

A method for generating electricity using wind energy as described above is characterized in that it also includes step e, a device for recovering water is provided under the hydroelectric generator, and the water after power generation is returned to the lower end of the impeller body, so that the water be recycled.

A method for generating electricity using wind energy as described above is characterized in that multiple wind energy collection devices in step b are used simultaneously to form a wind energy collection group.

A wind energy collection device adopted by the above method is characterized in that it includes an impeller body and a central shaft, the impeller body is fixed on the central shaft through a bearing, and can rotate around the central shaft, and a fan is arranged outside the impeller body. leaves, a spiral water passage is provided inside the impeller body, a water inlet is provided at the lower end of the impeller body to communicate with the water passage; and a water outlet container is provided at the upper end of the impeller body to communicate with the water passage; The water passage is formed by the inner wall of the impeller and the pumping liner set in the impeller body. The outer side of the pumping liner is provided with a spiral upward groove, and the groove ridge of the groove is close to the inner wall of the impeller, so that the groove is closed into an upward spiral water channel.

A wind energy collection device as described above is characterized in that the water outlet container is fixed on the central axis.

The above-mentioned wind energy collection device is characterized in that a plurality of fan blades are vertically arranged on the impeller body, and the fan blades are arc-shaped and distributed outside the impeller body facing the same direction.

A wind energy collection device as described above is characterized in that the water outlet container is provided with a water chamber and a water outlet pipe leading the water in the water chamber to an external water storage device.

A wind energy collection device as described above is characterized in that reinforcing ribs are provided inside the fan blades.

The beneficial effects produced by the present invention are: 1. The wind energy collection device sends the collected water to a certain height to increase the potential energy of the water, and then converts the potential energy of the water into electric energy. This way makes the conversion rate of wind energy into electric energy high , and is not affected by changes in wind energy and wind direction. Potential energy is relatively stable when it is converted into electrical energy. 2. It is relatively simple to store the potential energy of water. A water storage device is installed on the upper end of the impeller body to collect a large amount of water. 3. The structure of the wind energy collection device is simple, the manufacturing cost is low, and the operating cost is reduced. 4. The generator can be installed on the ground or at a lower position, which is more convenient for motor maintenance; 5. The water used for power generation can be recycled.

【Description of drawings】

Below in conjunction with accompanying drawing and embodiment the present invention is described in detail:

Fig. 1 is the schematic diagram of the principle of a single wind energy collection device of the present invention;

Fig. 2 is the schematic diagram of the combination of a plurality of wind energy collection devices of the present invention;

Fig. 3 is an exploded schematic view of the wind energy collection device of the present invention;

4 is a perspective view of the assembled wind energy collection device of the present invention;

Figure 5 is a front view of the wind energy collection device of the present invention;

Fig. 6 is the A-A cross-sectional view of the wind energy collection device of the present invention;

Fig. 7 is the B-B sectional view of wind energy collecting device of the present invention;

【Detailed ways】

As shown in Figures 1 to 3, the method for utilizing wind energy to generate electricity referred to in the present invention is realized by the following steps: a, select water resources in places where wind energy is abundant, such as places with water resources such as oceans, lakes, rivers, etc. , or self-built reservoirs, canals, wells and other places. b. Install a wind energy collection device vertically above the water resources, the wind energy collection device includes a longitudinally arranged impeller body 1, and the impeller body 1 is provided with fan blades 2, so that it can follow the wind in a clockwise direction or Counterclockwise unidirectional rotation, the impeller body 1 is provided with an upward spiral water passage 3 corresponding to the rotation direction of the impeller body 1, and the lower end of the impeller body 1 is extended into the water, so that the water inlet of the lower end of the water passage 3 Located below the water surface, when the impeller body 1 rotates, the water at the lower end of the water passage 3 will rise upwards along the passage, thereby converting wind energy into potential energy of water. A plurality of wind energy collection devices of the present invention can be used simultaneously to form a large wind energy collection group, which is convenient for converting more wind energy into potential energy of water. c, water storage device 4 is provided at the upper end water outlet 17 of impeller body 1, and the water pumped up by impeller body 1 is preserved well; d, the water in water storage device 4 is directed to the hydraulic generator 5 with a larger drop below , the water energy drives the impeller 6 of the hydroelectric generator 5 to rotate, thereby realizing power generation.

If necessary, the present invention can also include step e, a device 7 for recovering water is provided below the hydroelectric generator 5, and the water after power generation is returned to the lower end of the impeller body 1, so that the water can be recycled.

In order to realize the above method, the wind energy collection device adopted in the present invention includes an impeller body 1 and a central shaft 8, and the impeller body 1 is fixed on the central shaft 8 through a bearing, and can rotate around the central shaft 8. 1 is provided with a fan blade 2 outside, and a spiral water passage 3 is provided inside the impeller body 1, and a water inlet 9 is provided at the lower end of the impeller body 1 to communicate with the water passage 3; The upper end is provided with a water outlet container 10 communicating with the water passage 3, and the water outlet container 10 is fixed on the central shaft 8, so that when the impeller body 1 rotates, due to the relative static effect of the water, the water can flow along the water passage 3. lift up.

In this embodiment, the water passing channel 3 of the present invention is formed by the inner wall of the impeller body 1 and the pumping liner 11 arranged in the impeller body 1, and the outer side of the pumping liner 11 is provided with a spiral upward groove 12. The ridges 13 of the groove 12 are in close contact with the inner wall of the impeller body 1 , so that the groove 12 is closed into an upward spiral water passage 3 .

Wherein, the water outlet container 10 is provided with a water chamber 14 and a water outlet pipe 15 leading the water in the water chamber 14 to the external water storage device 4 .

The impeller body 1 and the pumping liner 11 of the present invention can be integrally structured. A plurality of fan blades 2 are vertically arranged on the impeller body 1 to increase the wind receiving area of the impeller body 1 . The fan blades 2 are arc-shaped and distributed on the impeller body 1 in the same direction. In order to cause the water in the water passage 3 to be displaced upward, the spiral upward direction of the groove 12 of the pumping liner 11 is set to be opposite to the rotation direction of the impeller body 1 . In addition, reinforcing ribs 16 are provided in the fan blade 2, so that the fan blade 2 is not easy to be damaged.

When the present invention is in use, when the impeller body 1 is continuously rotated by the wind force, the water in the water passage 3 is also continuously lifted upwards, and the collected wind energy is converted into the potential energy of water, and then converted by the potential energy of the water. into electric energy, high energy conversion rate, and stable electric energy output. It is not affected by changes in wind direction, can keep working day and night, and has a remarkable power generation effect. In addition, the group setting density of the whole wind energy collection device is higher than that of the traditional method, which saves land. And the motor can be installed on the ground or at a lower position, which is more convenient for the care and maintenance of the motor. The cost of building a device for collecting wind energy is relatively low, which is conducive to implementation and promotion. Therefore, the economic benefits brought by the present invention will be immeasurable.

Claims (8)

1. method of utilizing wind energy power is characterized in that being realized by following steps:

A, select water resources in the abundant place of wind energy; B, the wind energy collecting device is set vertically above water resources, described wind energy collecting device includes the impeller body (1) that is vertical setting, described impeller body (1) is provided with flabellum (2), make it under the promotion of wind-force, to rotate, in impeller body (1), be provided with the water channel (3) excessively on the screw, the lower end of impeller body (1) is stretched in the water, and when impeller body (1) rotated, the water of crossing water channel (3) lower end can upwards promote along passage; C, be connected with water-storing device (4), the water that pumps up is stored at the upper end water outlet of impeller body (1); D, hydroelectric generator is set, on the water guide water power generator (5) in the water-storing device (4), thereby realizes generating at the water outlet of water-storing device (4).

2. a kind of method of utilizing wind energy power according to claim 1, it is characterized in that the device (7) that also includes step e, be provided with recycle-water in the below of hydroelectric generator (5), the water that distributes behind the electricity is back to impeller body (1) lower end, thereby it is recycling that water is able to.

3. a kind of method of utilizing wind energy power according to claim 1, the described wind energy collecting device that it is characterized in that described step b are a plurality of uses simultaneously, form a wind energy collecting group.

4. a kind of wind energy collecting device that is adopted according to the described method of claim 1, it is characterized in that including impeller body (1) and central shaft (8), described impeller body (1) by bearing fixing on central shaft (8), and can rotate around central shaft (8), outside impeller body (1), be provided with flabellum (2), be provided with the water channel (3) excessively of curl in the inside of described impeller body (1), be provided with water inlet (9) in the lower end of impeller body (1) and communicate with mistake water channel (3); Be provided with and cross the water exit container (10) that water channel (3) communicates in the upper end of impeller body (1); Crossing water channel (3) is formed by impeller body (1) inwall and the inner bag that draws water (11) that is located in the impeller body (1), the outside of the described inner bag that draws water (11) is provided with the groove (12) on the screw, the piston ring land (13) of described groove (12) is close to impeller body (1) inwall, makes groove (12) be closed into the upwards water channel (3) excessively of spiral.

5. a kind of wind energy collecting device according to claim 4 is characterized in that described water exit container (10) is fixed on the central shaft (8).

6. a kind of wind energy collecting device according to claim 4 is characterized in that vertically being provided with a plurality of flabellums (2) on impeller body (1), and described flabellum (2) is curved, and is distributed in the same direction outside the impeller body (1).

7. a kind of wind energy collecting device according to claim 4, the outlet pipe (15) that it is characterized in that being provided with water containing chamber (14) in the described water exit container (10) and water in the water containing chamber is guided into the peripheral hardware water-storing device.

8. a kind of wind energy collecting device according to claim 5 is characterized in that being provided with in the described flabellum (2) stiffening rib (16).

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