JP2024035004A - Float type water turbine power generation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem that conventional float type water current power generation devices are propeller type, which causes problems when used in shallow rivers.

SOLUTION: According to the present invention, a daily flow of ocean currents rotates a cylindrical water turbine, the rotation is transmitted from an attached water turbine shaft to a first pulley, a transmission shaft that is connected from the first pulley to a second pulley in a belt shape and to which the second pulley is attached, is connected to a shaft of a generator and a shaft of a speed increaser, which are arranged on an upper surface of an upper plate frame material, to transmit the rotation to the shaft of the generator, making it possible to convert the rotation into stable electricity. According to the present invention, it is possible to generate power stably even in a shallow water flow when a cylindrical water turbine can float and rotate.

SELECTED DRAWING: Figure 1

COPYRIGHT: (C)2024,JPO&INPIT

Description

The present invention relates to a power generation device that converts the energy of flowing water into electric power.

As a conventional water current power generation device, a floating water current power generation device has been proposed in which a pod floating body floating in the sea is connected to a mooring cable attached to a sinker on the seabed.

Unexamined Reiwa 2020-94552

The above floating water current power generation device cannot be used in shallow areas of rivers.

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention aims to be easy to implement and to always be able to generate stable and high power even in the case of tidal currents, ocean currents, and river flows.

In order to achieve the above object, the present invention has a cylindrical shape that floats on the sea surface, long blades attached to both ends at equal intervals on the outer peripheral surface of the cylindrical shape, and a disk that runs parallel to the inside of the cylindrical shape. A cylindrical water wheel is provided with a water wheel shaft that extends outward from the center of both sealed ends and is fixedly attached to the water wheel, and plate frame materials are raised at both ends of the cylindrical water wheel so that the inner upper part is horizontal. The plate frame material is attached and erected, and a bearing is interposed at the mounting position of the water wheel shaft that enables the cylindrical water wheel to rotate while the plate frame material stands up at both ends. a first pulley in which the water wheel shaft is attached to a protruding part on the outside; a part in which a generator and a speed increaser are arranged on the upper surface of the plate frame material, which is horizontally attached to the inner upper part of the plate frame material; A transmission shaft that connects the shaft of the generator and the shaft of the speed increaser is rotatably attached to a protruding portion of the transmission shaft that penetrates the plate frame material at an upper position where the first pulley is attached. A second pulley, a belt-shaped belt that connects the first pulley and the second pulley to transmit the rotational motion of the water wheel shaft, and a lower end of which the plate frame material stands up on both ends are provided with the same length. The middle part of the floating frame material is horizontally attached to the front and back, and on the upper surface of both ends of the floating frame material, retaining materials are attached inside the tubular water turbine in parallel with a spaced interval on both sides of the tubular water turbine. A floating water turbine is provided which is equipped with the floating frame member having a space and the holding member, and a rope-shaped water turbine is connected from the holding member to a fixing member placed on the seabed in order to hold the floating water turbine at an installation position on the sea surface. The floating water turbine is installed at a location on the sea surface, and the rotational motion of the cylindrical water turbine, which rotates in response to ocean currents, is transmitted to the generator shaft linked to the water turbine shaft, and the generator generates power. This is what made it possible.

As mentioned above, floating water turbines can generate stable power even in shallow rivers as long as the cylindrical water turbine can float and rotate.

Furthermore, by making the cylindrical water wheel longer, larger, and lighter, and installing a floating water wheel, high power generation is possible.

FIG. 1 is a perspective view showing an embodiment of a floating water turbine of the present invention excluding the roof. A top plan view of the cylindrical water turbine of the present invention FIG. 3 is a sectional view taken along line BB in FIG. 2 of the tubular water turbine of the present invention. FIG. 2 is a sectional view taken along line AA in FIG. 1 of the floating water turbine of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an elevational view showing an embodiment of a floating water turbine of the present invention viewed from one end.

Embodiments of the present invention will be described below based on FIGS. 1 to 5.

In the figure, a cylindrical water wheel 1 that is floated on the sea surface 15 and rotates by receiving ocean currents 100 is a long cylinder with openings at both ends. The green portions 1c are formed at both ends of the cylinder by sealing the opening with a disk 1b having a size that extends to the green portions 1c.

Further, a hole through which the water wheel shaft 2 passes is provided in the center of the disk 1b whose opening is sealed, and the water wheel shaft 2 is inserted through one hole of the disk 1b, passes through the other hole, and protrudes from both ends of the cylinder. The cylindrical shape 1a can be rotated around the attached water wheel shaft 2.

In addition, as shown in FIG. 2, a plurality of long blades 3 are attached at equal intervals to the outer circumferential surface of the cylindrical shape 1a over the green portions 1c at both ends, and retaining plates 3a are attached at equal intervals to hold the tube. A water wheel 1 is provided.

Further, the plate frame members 4 to which the tubular water turbine 1 is rotatably attached stand up at both ends of the tubular water turbine 1, and the plate frame members 4 are horizontally attached to the upper part between them, and the intervals at which the tubular water turbine 1 is attached are provided. The plate frame material 4 is assembled with the following.

Further, a water wheel shaft 2 is attached to the mounting position of the plate frame material 4 that stands up on both ends of the cylindrical water wheel 1, with a bearing interposed therebetween and protruding rotatably to the outside.

Further, a first pulley 8 is attached to the water wheel shaft 2 protruding from one of the plate frame members 4.

Further, as shown in FIG. 4, the generator 6 and the speed increaser 7 are arranged so that the weight is located in the center of the upper surface horizontally assembled, and the shaft of the generator 6 and the speed increaser 7 are The second pulley 9 is attached to the transmission shaft 6a which protrudes outward with a bearing interposed in the upper part of the plate frame material 4 on the side where the first pulley 8 is attached. The pulley 8 is connected to the second pulley 9 by a belt 10 so that rotation can be transmitted to the generator 6.

In addition, at the lower ends of the plate frame materials 4 that stand up on both ends, the parallel front and rear ends of the floating frame materials 5 are attached with the intermediate portions of the floating frame materials 5 provided with the same length being horizontally directed back and forth. A holding member 5a is attached to the upper surface of the holder 5a, and the holder 5a is assembled in a U-shape.

Moreover, the floating frame member 5 is provided with a space inside so as to float lightly.

Furthermore, in the description, front and rear refers to the direction in which the ocean current 100 flows. Further, the clockwise side of the cylindrical water wheel 1 is linked to the shaft of the generator 6, and the cylindrical water wheel 1 and the floating frame member 5 are made of FRP reinforced plastic, but the present invention is not limited thereto.

Further, as shown in FIG. 5, the roof is attached to cover from the top of the plate frame material 4 to both sides of the tubular water turbine 1.

In addition, when carrying out the operation in the tidal ocean current 100, the flowing direction of the ocean current 100 changes several times as shown in FIG. A rope 11 connected to a fixing member 12 placed on the seabed 16 at a distance from the shaft hole 11a in the front and rear directions is attached to the locking tool 11b through the shaft hole 11a, so that the rope 11 is rotatably attached to the shaft hole 11a. A shaft hole 11a and a locking tool 11b are provided in order to prevent damage caused by twisting of the rope-shaped 11 when the floating water turbine 14 is attached and moves in position.

1... Cylindrical water turbine 1a...Cylindrical water wheel 1b...Disc plate 1c...Green part 2...Water wheel shaft 2a...Bearing 3...Long blades 3a...Holding plate 4...Plate frame material 4a...stand 5...floating frame material 5a...holding material 6...generator 6b...condenser 7...speed increaser 8...first pulley 9...second pulley 10... Belt shape 11... Rope shape 11a... Shaft hole 11b... Locking tool 12... Fixing material 13... Floating material 14... Floating water turbine 15... Sea surface 16... Seabed 17... Roof 100... Ocean current

In the figure, a cylindrical water wheel 1 that is floated on the sea surface 15 and rotates by receiving ocean currents 100 has a long cylindrical shape 1a with openings at both ends, and a disc 1b that closes the openings is approximately equal to the outer circumference of the cylindrical shape 1a. The green portions 1c at both ends of the cylindrical shape 1a are formed by sealing the opening with a disk 1b having a size that extends to the green portion 1c.

In addition, a hole through which the water wheel shaft 2 passes is provided in the center of the disc 1b whose opening is sealed, and the water wheel shaft 2 is inserted through one hole of the disc 1b, passes through the other hole, and is inserted into both ends of the cylindrical shape 1a. The cylindrical water wheel 1 can be rotated around the attached water wheel shaft 2, which is fixed and protrudes from the cylindrical water wheel .

Further, as shown in FIG. 5, a roof is attached to cover from the upper part of the plate frame material 4 to both sides of the cylindrical water turbine 1 , and a floating water turbine 14 is provided .

Claims (6)

A cylindrical shape that floats on the sea surface,
The long blades are attached to the outer circumferential surface of the cylindrical shape at equal intervals from both ends, and the inner part of the cylindrical shape is parallel to the inner part of the cylindrical shape. a cylindrical water wheel having a water wheel shaft;
The plate frame material is erected at both ends of the cylindrical water turbine and the inner upper part is attached horizontally;
The water wheel shaft is attached to the protruding portion of one of the plate frame materials with a bearing interposed at the mounting position of the water wheel shaft that allows the cylindrical water wheel to rotate while the plate frame material stands up at both ends. 1 pulley and
A portion where a generator and a speed increaser are arranged on the upper surface of the plate frame material, which is horizontally attached to the inner upper part of the plate frame material;
A transmission shaft that connects the shaft of the generator and the shaft of the speed increaser is rotatably attached to a protruding portion of the transmission shaft that penetrates the plate frame material at an upper position where the first pulley is attached. a second pulley;
a belt shape that connects the first pulley and the second pulley to transmit rotational motion of the water wheel shaft;
At the lower ends of the board frame materials that stand up on both ends, floating frame materials provided with the same length are attached so that the intermediate portions thereof are horizontally directed forward and backward, and retaining materials are attached to the upper surfaces of both ends of the floating frame materials. are installed in parallel with each other at intervals on both sides of the cylindrical water wheel, and the floating frame member and the holding member having a space inside are provided.
In order to hold the floating water turbine at an installation position on the sea surface, the holding member is connected to a fixing member placed on the seabed in a rope shape, and the floating water turbine is installed at the installation position on the sea surface;
A floating water turbine power generation device characterized in that rotation of the cylindrical water turbine that rotates in response to ocean currents is transmitted to the generator shaft linked to the water turbine shaft, thereby enabling the generator to generate electricity. Claim 1 characterized in that the cylindrical water wheel has holding plates attached to a plurality of long blades at equal intervals over both ends of the outer peripheral surface of the cylindrical water wheel, and is made to float and rotate in response to ocean currents. Floating water turbine power generation device described in . A space is provided inside the cylindrical water turbine, and the discs are attached to both longitudinal ends of the cylindrical water turbine. 3. The floating water turbine power generation device according to claim 1, wherein the water turbine is provided so as to float on the sea surface with its outer peripheral surface sealed. 4. The floating water turbine power generation device according to claim 1, wherein the floating frame member is provided with a space inside the floating frame member and the floating frame member is lightly sealed around the floating frame member so as to float. . The floating type water turbine is equipped so that the floating type water turbine is held at an installed position on the sea surface and floated, and a part that cooperates with the cylindrical water wheel is rotated clockwise in response to ocean current. The floating water turbine power generation device according to any one of claims 1 to 4. The holding member on the front side of the floating water turbine is characterized in that the shaft hole is provided in the center of the holding member to which the rope-shaped rope connected to the fixing member on the seabed is passed and the locking tool is attached. The floating water turbine power generation device according to any one of claims 1 to 5.

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