JPS623315B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a wave power generation device that utilizes air vortices, which is a combination of a wave power generation device and a spiral power generation device, and relates to a stable and highly efficient device.

Fig. 1 shows an outline of a conventionally proposed spiral power generator, in which the lower opening of an air guide cylinder 1 which is rounded in the shape of an L is connected to the upper end of an air introduction pipe 2 bent in an L shape. is arranged, and a turbine 3 is arranged at the upper end opening of the air introduction pipe 2.
is connected to a generator 5 via a shaft 4. Then, the side opening 1a of the air guide cylinder 1 and the air introduction pipe 2
The end 2a of the air introduction pipe 2 is oriented toward the windward, and the blowing of wind into the end 2a of the air introduction pipe 2 generates an upward air flow inside the air guide tube 1, and the wind towards the side opening 1a. A swirling air flow is generated in the air guide tube 1 by blowing. This rising airflow and a large amount of swirling airflow create a rising vortex and accelerate the swirling speed, creating a boundary layer in the swirling and creating a tornado, or a rapid swirling upward wind, which causes the airflow speed at the center to be extremely low. becomes faster. This extremely high-speed airflow drives the turbine 3 and rotates the generator 5.

On the other hand, a wave power generation device has two air chambers that communicate with each other, and a turbine connected to a generator is placed at the boundary between the two air chambers, and an air intake valve is used in one air chamber to discharge air to the other air chamber. A valve is installed, and when the volume of the air chamber decreases due to waves, air is released from the air exhaust valve and the turbine is rotated.As the volume of the air chamber increases, air is admitted from the air intake valve and the turbine rotates in the same direction as when air is exhausted. It is something that makes you

In the case of such a spiral power generation device and a wave power generation device, the drive of the turbine tends to be affected by wind and wave conditions, which are natural phenomena, and it is not possible to generate power stably. In addition, a normal wind power generation turbine has a maximum utilization efficiency (ideal utilization efficiency) of 60% of the total wind energy, but after energy conversion by a turbine that does not exhaust the wind energy, it usually uses even more wind energy. The efficiency of use is very low as there is no use of the system.

Therefore, in view of the above-mentioned drawbacks, the present invention was invented based on a novel idea with the aim of providing a stable and efficient wave power generation device using air vortices.

The present invention to achieve this purpose includes:
The air chamber is provided with an air chamber that sucks in air through an intake valve and discharges it through an exhaust valve due to the vertical movement of seawater caused by ocean waves, and the intake valve is arranged above the air chamber and partitioned into the intake valve and the exhaust valve. an air guide duct that guides outside air to the air outlet and collects air from the exhaust valve to an air outlet formed in the upper wall; a turbine connected to a generator is disposed in the air outlet; Utilizes an air vortex having a vortex-forming air guide tube that is arranged to guide upward air flow from the air discharge port, and a side air inlet and an upper air outlet that are integrated with the vortex-forming air guide tube. It is characterized by what it did.

Here, an embodiment of the present invention will be described with reference to FIG. 2 and subsequent figures. In FIGS. 2 and 3, the bow of the power-generating ship body 6 is moored to a mooring buoy 7,
A plurality of wave power generation devices 8 are arranged in the power generation ship main body 6 from front to back. As mentioned above, the wave power generation device 8 converts ocean waves into airflow accompanying intake and exhaust air into an air chamber to drive a turbine connected to a generator. There is an intake valve and an exhaust valve for exhaust.
These valves include an intake valve 8a as shown in FIG.
The intake valve 8a and the exhaust valve 8b are lined up one after the other, and the intake valve 8a and the exhaust valve 8b are separated by a partition plate 15.

Further, above the wave power generation devices 8 on the power generation ship main body 6, there is an air guide duct 9 that covers the wave power generation devices 8 and guides air that is taken into and exhausted from the air chamber.
(See Figure 5) is attached. As mentioned above, this air guide duct 9 is connected to the intake valve 8a side and the exhaust valve 8 side.
As shown in FIG. 4, it is divided into the b side and the b side by a partition plate 15. The air guide duct 9 has an air discharge port 9a formed in its upper wall. In particular, the air discharge port 9a is formed on the exhaust valve 8b side. A turbine 10 is disposed at this air discharge port 9a, and this turbine 10 is connected to a generator 11 and a flywheel 12. Further, the air guide duct 9 is open on the bow side and is provided with an air regulating plate 9b. Furthermore, the partition plate 15 of the air guide duct 9 connects the intake valve 8 from the air regulating plate 9b side.
Since the intake valves 8a are gradually narrowed in the direction in which the arrows a are lined up, the wind from the bow side is evenly distributed to the intake valves 8a, improving efficiency. In this way, the wind from the bow side enters the air guide duct 9, passes through the intake valve 8a, reaches the wave power generator 8, rotates the turbine, and exhaust valve 8.
b, the air is collected on the exhaust valve 8b side of the air guide duct and directed upward from the air outlet 9a.

Air discharge port 9a placed on air guide duct 9
There is a vortex-forming air guide tube 13 that guides upward airflow from the vortex-forming air guide tube 13, and a side air inlet 13 that is integrated with the vortex-forming air guide tube 13 and opens toward the bow side.
a and an upper air outlet 13b.
This vortex-forming air guide tube 13 and the side air introduction port 1
3a and the relationship between the vortex forming air guide tube 13 and the upper air outlet 13b are shown in FIGS. 6 and 7.
As shown in the figure. In the vortex-forming air guide tube 13, the rising air flow from the air outlet 9a and the side air inlet 13
An upward swirling airflow is formed with the swirling airflow from the above.

As shown in FIG. 6, the side air inlet 13a has a wind inlet opening on the bow side and a rectifying plate 13c, and the boundary between the side air inlet 13a and the vortex-forming air guide tube 13 A guide vane 13d that creates an air vortex is arranged in the section. On the other hand, the upper air outlet 13b is located at the upper part of the vortex-forming air guide cylinder 13, and is configured like a casing of a centrifugal blower so as to greatly expand the turning radius of the air vortex, and has a large number of baffle plates 13e at the outlet. ing.

Above, the structure has been explained along the drawings from FIG. 2 to FIG. 7. Here, we will proceed with the explanation according to the movement of the wind.
In the power generation ship main body 6 with the bow facing upwind, wind enters the air guide duct 9, air is sucked into the air chamber from the intake valve 8a of the wave power generation device 8, and then exhausted from the exhaust valve 8b and flows through the air guide duct. The exhaust gas is collected at the air outlet 9, and this collected exhaust air is passed through the air outlet 9.
In this case, the turbine disposed at the air outlet 9a is rotated when the air flow rises from the air outlet 9a.In this case, the intake and exhaust of air is due to the increase and decrease in the volume of the air chamber caused by the movement of waves. In this way, as a first step, the wave power generation device 8 can generate electricity by rotating the turbine. Next, the air flow collected in the air guide duct 9 turns the turbine from the air outlet 9a, becomes an upward air flow, and heads upward in the vortex-forming air guide tube 13. Cylinder 1
3, an upward swirling airflow is generated by the airflow from the side air inlet 13a and the upward airflow,
Then, a very high-speed air flow is generated as a whirlpool or even a tornado, and the air on the exhaust valve 8b side of the air guide duct 9 is strongly sucked out from the air discharge port 9a, causing the turbine 10 to rotate at a high speed. Vortex forming air guide tube 1
3. At the upper part, there is an upper air outlet 13b that weakens the swirling flow through a baffle plate 13e so that the swirling flow does not go out as it is and develop into a real tornado, and as a cover to prevent foreign objects from falling from above. Therefore, the turning radius of the air vortex gradually expands and decreases at the upper air exhaust port 13b, and the air is discharged from the exhaust port while recovering the pressure.

In this way, the same airflow is contributed to the turbine rotation in two stages by the wave power generation device and the spiral power generation device, making it possible to utilize wind energy with high efficiency.

In FIGS. 2 and 3, 14 is a weather vane that allows the entire power generation ship to be directed upwind. In other words, the wind normally blows during the day, the sea breeze blows at night, and the land breeze blows. Due to the wind vane 14, the resistance of the ship, and the mooring of the bow with a wire, the bow of the ship is directed to the windward. Waves also usually push toward the land, but the wind causes the ship to It faces perpendicular to the coastline.
Therefore, the bow of the ship is always facing upwind, and the waves usually move in the direction of the ship's front and back, allowing for efficient use of wind and waves. In the case of a wave power generation device fixed to a quay, or even on a ship, when the directions of the wind and waves do not match, the vortex-forming air guide tube 13 itself can be rotated with respect to the wind independently of the ship. The lower part of the forming air guide cylinder 13 may be placed on a rail.

In this embodiment, consideration is given to stabilizing the ship by installing heavy items such as a generator 11 and a flywheel 12 under the water. Note that the flywheel 12 is an energy storage device.

Further, in this embodiment, a windmill is used as the turbine, and the turbine is extremely efficient during high-speed operation, and is compact and has a large capacity. However, when the wind is weak and the rotation speed is low, the generated torque is small. In the device of this embodiment, even when there is no wind, there is always exhaust air from the wave power generation device, so wind can be secured, and efficient power generation can be performed immediately when the wind starts blowing.

As explained in the embodiments above, according to the present invention, a wave power generation device is provided which converts ocean wave motion into air flow accompanying intake and exhaust air into an air chamber to drive a turbine connected to a generator, A turbine connected to a generator is arranged at an air discharge port formed in the upper wall of an air guide duct that covers above the wave power generation device and guides air that is taken into and exhausted from the air chamber,
a vortex-forming air guide tube disposed on the air guide duct to guide the rising airflow from the air discharge port upward; a side air inlet and an upper air outlet integrated with the vortex-forming air guide tube; By having this, it is possible to generate electricity using waves even when there is no wind, and when there is wind and waves, it is possible to perform two-stage electricity generation.In addition, it is possible to generate high energy power, and it is possible to generate electricity with extremely high efficiency. It was possible to generate electricity in a stable manner.

[Brief explanation of the drawing]

Figure 1 is a simplified perspective view showing an example of a conventional spiral power generator, Figures 2 to 7 are examples of a wave power generator using air vortices, and Figure 2 is a perspective view showing the overall appearance. Figure 3 is an overall sectional view of Figure 2,
Fig. 4 is a plan view of the air guide duct, Fig. 5 is a perspective view of the air guide duct, Fig. 6 is a sectional view mainly showing the side air inlet, and Fig. 7 is a sectional view mainly showing the upper air outlet. FIG. In the drawing, 8 is a wave power generation device, 9 is an air guide duct, 9a is an air discharge port, 10 is a turbine, 11 is a generator, 13 is an air guide cylinder for vortex formation, 13a is a side air inlet, and 13b is an upper part. It is an air outlet.

Claims (1)

[Claims] 1.Equipped with an air chamber that sucks in air from the intake valve and discharges it from the exhaust valve due to the vertical movement of seawater caused by ocean waves, and the intake valve is installed above the air chamber by dividing the above-mentioned intake valve and exhaust valve. An air guide duct is provided, which guides outside air to the intake valve using a partition plate that narrows gradually along the direction, and collects air from the exhaust valve to an air discharge port formed in the upper wall. A turbine connected to a generator is disposed at the outlet, and a vortex-forming air guide tube is disposed on the air guide duct to guide an upward airflow from the air discharge port upward; A wave power generation device using an air vortex having an integral side air inlet and an upper air outlet.