JPH01255485A - Electric generation set driven by force of wave - Google Patents

Abstract

PURPOSE:To generate electric power from wave force simply, by a method wherein a flywheel, whose center of gravity is deviated, is supported rotatably on an inclinable floating body and a generator converting the rotaing power into an electric power is provided. CONSTITUTION:A wave force power generation set is installed on the surface of sea under a floating condition so that a plate type floating body 2 is supported by a fixed unit 1a installed near the surface of the sea inclinably about a horizontal axis 3. The shaft 7 of a flywheel, having a deviated center of gravity due to a weight 5 for deviating the center of gravity, which is attached to the periphery thereof, and provided with a gear 6 concentrically, is provided in the floating body 2 and is supported rotatably by bearings 8. The gear 6 provided on the flywheel delivers a torque to a generator 10 provided on the floating body 2. According to this method, the wave force power generation set generates an electric power by a method wherein said flywheel 4 is rotated when the floating body 2 is inclined about the horizontal shaft 3 by the force of the wave whereby the generator 10 is rotated through gears 6, 12.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a wave power generation device that generates power by utilizing the motion of waves.

[Conventional technique 41i] Wave power using the energy of waves 9. Conventionally known electric devices generally convert the downward motion of waves into air pressure, and use the resulting air flow to rotate a power generation turbine.

Wave power generation like this! Since the J-type uses air that comes into contact with seawater and contains a large amount of salt, sufficient consideration must be given to rust prevention. In particular, in this type of device, since the up-and-down reciprocating motion of waves is converted into an air flow flowing in one direction, it is necessary to provide some kind of means to prevent reverse flow in the air flow path, and furthermore, it is necessary to provide some kind of means to prevent reverse flow in the air flow path. Since this equipment is introduced into power generation turbines, there are many parts that come into contact with the airflow, so it is necessary to protect these equipment from salt.

[Problem to be Solved by the Invention J The technical problem of the present invention is to make it possible to utilize wave power for power generation by extremely simple means, and to easily protect the equipment used for power generation from the salinity of seawater. The objective is to obtain a wave power generation device.

[Means for Solving the Problems] In order to solve the problems listed in item L, the wave power generation device of the present invention has a floating body that is tiltably supported around a horizontal axis and floats on the sea surface, and an unbalanced weight is applied to one periphery. A flywheel whose center of gravity is biased by providing a center weight is rotatably supported with its floating body in a horizontal reference position and its axis of rotation is vertical, and the rotational power of this flywheel is converted into electric power. It consists of providing a generator to convert into.

[Function] In the F-wave force generation device, when the floating body tilts in either direction around the horizontal axis due to waves, the rotational axis of the flywheel to which the weight for eccentric center of gravity is attached becomes vertical. As the floating body tilts in the opposite direction, the flywheel rotates so that its weight for eccentric center of gravity is on the downward side, and as the floating body tilts in the opposite direction as the waves advance, the rotational axis of the flywheel also tilts in the opposite direction. , the cartwheel of the flywheel also progresses, and in this state the weight for the eccentric center of gravity moves downward. In this case, if the four axes of the flywheel and the period of the waves match, the flywheel will rotate smoothly! ! By rotating the wit generator with this flywheel, electricity can be obtained from wave power.

Further, in this wave power generation device, the equipment used for power generation can be easily protected from the salt content of the seawater with a cover.

[Embodiment J FIGS. 1 and 2 show an embodiment of the wave power generation device of the present invention.

This wave power generation device is installed floating on the sea surface, and as shown in FIG. The plate-shaped floating body 2 can be installed so as to float at a fixed position by supporting it so that it can tilt freely around the body, or by connecting the horizontal shaft 3 of the plate-shaped floating body 2 to the fixed part IB with an appropriate number of wires, ropes, etc. Ru. This floating body 2 is formed to have a specific gravity that allows it to float on the sea surface as a whole.

Inside the plate-shaped floating body 2, a spindle 7 of a flywheel 4 is rotated by a bearing 8, the center of gravity is biased by attaching a weight 5 for an eccentric center of gravity to the center of gravity, and a shaft 7 of a flywheel 4 has gears 6 superimposed concentrically. It is freely supported. This flywheel 4 has its rotation axis perpendicular to the plate surface of the plate-shaped floating body 2.
That is, the floating body 2 is supported by the floating body 2 so as to be vertical with the floating body 2 in the horizontal reference position 8 (floating on the sea surface without waves). In addition, this flywheel 4 is
It can be formed not only in a disk shape but also in a ring shape.

The gear 6 superimposed on the flywheel 4 is a generator installed on the floating body 2! This gear is used to transmit rotational force to the flywheel 4, and is meshed with the gear +2 provided on the rotor shaft of the 1 power generation l110. It is also possible to attach a magnet and provide a coil on the side of the floating body 2, thereby constructing a generator.

The flywheel 4 and generator on the floating body 2! At 0,
A cover 13 is attached, and the housing constituting the floating body 2 and the cover 13 enclose all of the power generation equipment including the flywheel 4 and the generator 10 .

Therefore, these devices are completely shielded from seawater and protected from even 1 meter of seawater.

In the wave power generation device having the above configuration, when the floating body 2 tilts around the horizontal axis 3 due to waves, the axis of rotation of the flywheel 4 to which the weight 5 for eccentric center of gravity is attached is tilted with respect to the vertical. Careful i! When the flywheel 4 rotates so that 5 is on the downward side and the floating body 2 tilts in the opposite direction as the waves advance, the rotational axis of the flywheel 4 also tilts in the opposite direction, and the rotation of the flywheel 4 The vehicle also moves forward, and in that state, the eccentric center of gravity i15 moves to the lower side.

In this case, the rotation of the flywheel 4 and the period of the waves are formed to match, or the rotation of the flywheel 4 is made to match the period of the waves.
If the rotational speed of fil = 7 is controlled according to the wave cycle and controlled so that they match, the flywheel 4 will continue to rotate smoothly in a circle, and the flywheel 4 will rotate the gear 6. , 12, power can be generated by wave power.

In order to obtain smooth rotation of the flywheel 4 due to the action of waves, it is necessary for the floating body 2 to tilt up and down within an appropriate range around the horizontal axis 3 with the horizontal reference position as the center. The size of the floating body 2, etc. should be determined by taking into account the size of waves that are most likely to occur at the location where the wave power generation device is installed.

[Effects of the Invention] According to such a 1!1 wave power generation device, wave power can be used as power generation power with an extremely simple one stage.

[Brief explanation of the drawing]

FIG. 1 is a cutaway perspective view of essential parts showing an embodiment of the wave power generation device of the present invention, and FIG. 2 is a side view showing an outline of its installed state. IA, 18...Fixed part, 2...Floating body, 3Φ・Horizontal axis, 4・φ flywheel, 5・φ eccentric center of gravity weight,
10... Generator.

Claims (1)

[Claims] 1. A floating body that is tiltably supported around a horizontal axis and floated on the sea surface has a flywheel whose center of gravity is biased by providing a weight for eccentric center of gravity around the periphery, and the floating body is at a horizontal reference position. What is claimed is: 1. A wave power generation device, characterized in that the wave power generation device is supported so that its axis of rotation is vertical, and is provided with a generator that converts the rotational power of the flywheel into electric power.