JP2004052646A - Submerged power generator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To convert the power flowing in by weight energy into electric power by using a hydraulic turbine, by storing the liquid like a dam for water-power generation and releasing the fluid pressure stored by water storage to the external by increasing the discharge pressure discharged from a lower part of a water storage tank. <P>SOLUTION: An introduction port 4 formed on a floating body 2 floating on the water, on the basis of a draft line (a position where a water level reaches when the floating body 2 floats) keeps the inside of the water storage tank (pressure tank) 3 in a full state at all times, supplies the liquid W by a weight ratio of the floating body 2, and supplies the water by a discharging amount. The liquid W flows from a hydraulic pipe 8 connected to the lower part of the water storage tank (pressure tank) 3, and rotates and drives the hydraulic turbine 7 of a power generator 6, and flows out to an air chamber 12 from the discharge pipe 9. The internal pressure of the air chamber 12 is normally higher than a atmospheric pressure as a water level of a bottom face is kept down, but the discharging is performed on the basis of conditions of water flow, a mass of the liquid W and the like. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a submerged power generation device that can convert a strong water pressure into energy, such as a storage dam, and convert it into motion or electric power if the initial flow input can be secured, and if there is an atmospheric pressure or a certain depth under certain conditions. Things.
[0002]
[Prior art]
BACKGROUND ART Conventionally, hydroelectric power generation is known as a power generation method using water. At present, as shown in FIG. 8, a typical dam is provided with a small dam 51 for damping water in a river, leading water taken in from a water intake 52 to a water tank 53, and from there a water penetrating a penstock 54. The water turbine 55 is rotated by high-speed, high-pressure water using the force flowing down, and power is generated by a generator 56 interlocked with the water turbine 55.
[0003]
Since the energy source is water, the hydroelectric power generation is excellent in that it does not use charged energy such as thermal power generation and nuclear power generation and does not pollute the atmosphere.
[0004]
[Problems to be solved by the invention]
However, the above-mentioned hydroelectric power generation method is said to limit the location conditions such that a considerable height difference must be provided between the installation location of the intake dam 51 and the installation location of the water wheel 55 in order to drop water at high speed and high pressure. Had a problem. Further, installation locations for satisfying such location conditions often result in destruction of the natural environment.
[0005]
The inventor of the present invention believes that even a single drop of water does not produce work, but if it becomes large, weight pressure is generated at the bottom of the stored water, and strong energy is released by concentrating at one point We paid attention to.
[0006]
The present invention has been made to solve the above problems. That is, an object of the present invention is to use a simple device to store the liquid flowing in by the weight energy, store the liquid as in a hydroelectric dam, and reduce the liquid pressure stored in the storage tank to a low pressure in a water tank (pressure tank). It is an object of the present invention to provide a submerged power generation device capable of converting the electric power to electric power by using a hydraulic turbine when the gas is discharged to the outside by increasing the discharge pressure discharged from the part.
[0007]
[Means for Solving the Problems]
According to the present invention, a water tank (pressure tank) (3) provided in a floating body (2) that floats on the liquid surface of water, and an inlet (4) opened at the bottom of the water tank (pressure tank) (3). ), The water tank (pressure tank) (3) is directed upwards and the water tank (pressure tank) (3) is provided with an upper end opening (5a) positioned lower than the upper end. An inner cylinder (5), a hydraulic turbine (7) of a generator (6) provided at an outlet of a hydraulic pipe (8) connected to a lower part of the water tank (pressure tank) (3), and the hydraulic turbine ( 7) a check valve (10) provided in the discharge pipe (9) on the downstream side when the liquid (W) flows in from the inlet (4) by the mass and attractive force of the floating body (2). Then, when the waterline is above the upper end opening (5a) of the introduction inner cylinder (5), a liquid (W) such as seawater is introduced. From (4), the water is introduced into the water tank (pressure tank) (3) through the introduction inner cylinder (5) to store the water, and then the waterline is lowered from the upper end opening (5a) of the introduction inner cylinder (5). A submerged liquid (W) stored in the water tank (pressure tank) (3) is configured to use the potential energy to rotationally drive the hydraulic turbine (7); A power generation device is provided.
[0008]
It is preferable to provide an air chamber (12) at the tip of the discharge pipe (9). This makes it possible to prevent backflow of the liquid (W) by using the gas pressure.
[0009]
The large tank is full, and the strong water pressure injected from it is discharged without backflow through a hole drilled in the lower part. The present invention relates to a plant that stores energy input from a waterline with no water injection buoyancy, efficiently discharges the energy, and uses it as power generation or power.
[0010]
In the invention having the above configuration, the discharge pressure is increased by concentrating at one point in the lower part of the water tank (pressure tank) (3), and the internal pressure of the gas in the air chamber (12) (depending on the depth, a normal water depth of 10 m is used). The water (W) is compressed to 1/2, at 20m depth, to 1/3, does not reverse with water, and is kept like a lower hatch of a submarine.) You. At this time, the water pressure in the water tank (pressure tank) (3) is higher than the air in the air chamber (12). In this way, the liquid (W) that has flowed into the water tank (pressure tank) (3) is guided in order to a position with a low potential energy. In other words, the floating body (2) conserves the power of a ship that is about to sink, increases the pressure of the seawater flowing into it like a condenser, and overcomes gravity and pressure. ing.
[0011]
The gas has a lower mass than the liquid, and a water pipe (9) provided at the bottom or lower part of the water tank (pressure tank) (3) and a water tank (pressure tank) filled with water so that the inflow from the upper part falls by free fall movement. (3) The positional relationship with (3) must be satisfied. The floating body (2) shall literally float according to the Archimedes principle. The upper end (3a) of the water tank (pressure tank) (3) is at the same position as the waterline, is always full, and is filled with water in proportion to the amount of filling and discharging. Then, the liquid (W) advances in the direction of low gravity and mass and is discharged little by little, and smoothly rotates the hydraulic turbine (7) to generate power by the generator (6).
[0012]
That is, the upper end opening (5a) of the inlet (4) that is directed upward from the inlet (4) opened in the bottom of the water tank (pressure tank) (3) is disposed. As described above, when the waterline is above the upper end opening (5a) of the introduction inner cylinder (5), the liquid (W) is passed through the introduction inner cylinder (5) from the introduction port (4) and the water tank (pressure tank) ( 3) It can be introduced and stored. When the waterline falls below the upper end opening (5a) of the introduction inner cylinder (5) due to the mass and attractive force of the floating main body (2), the liquid (W) stored in the water tank (pressure tank) (3) is moved to that position. The hydraulic turbine (7) is rotated and driven using the energy to generate power by the generator (6).
[0013]
The present invention also provides a water tank (pressure tank) (3) provided in a floating body (2) for floating the water on the liquid surface, and an inlet (4) opened at the bottom of the water tank (pressure tank) (3). ), The water tank (pressure tank) (3) is directed upwards and the water tank (pressure tank) (3) is provided with an upper end opening (5a) positioned lower than the upper end. An inner cylinder (5), a hydraulic turbine (7) of a generator (6) provided in the introduction inner cylinder (5), and a discharge pipe (9) downstream of the water tank (pressure tank) (3). A check valve (10) provided at the upper end of the inner tube (5), and when the waterline is above the upper end opening (5a) of the introduction inner cylinder (5), the liquid (W) is introduced from the introduction port (4). The hydraulic turbine (7) is rotationally driven when introduced into the water tank (pressure tank) (3) through a tube (5), When the waterline is below the upper opening (5a) of the introduction inner cylinder (5), the hydraulic turbine (7) is rotationally driven when the liquid (W) in the introduction inner cylinder (5) flows down. Such a configuration is also possible.
[0014]
In the invention having the above configuration, the hydraulic turbine (7) is arranged in the water tank (pressure tank) (3), and the hydraulic turbine (7) is configured to be directly driven to rotate in the introduction inner cylinder (5). Thus, the entire apparatus can be made compact. In particular, by providing the hydraulic turbine (7) in the introduction inner cylinder (5), not only when the liquid (W) flows into the introduction inner cylinder (5) but also when the liquid (W) flows out, Also, the hydraulic turbine (7) can be rotated to generate power by the generator (6).
[0015]
When the floating body (2) is a ship (11), power can be generated by the submerged power generator (1) even when the ship (11) is moored or anchored.
[0016]
The floating body (2) is provided with a member having buoyancy around the water tank (pressure tank) (3), and is integrated with a safety buoy on the sea and the submerged power generation device (1) so that it can be used at night. Can be turned on.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of a submerged power generation device of the present invention will be described with reference to the drawings.
FIG. 1 is a sectional view showing a first embodiment of a submerged power generation device. 2A and 2B are cross-sectional views illustrating an operation state of the submerged power generation device, in which FIG. 2A illustrates a state in which water is introduced into a water tank (pressure tank), and FIG. 2B illustrates a state in which water is stored in the water tank (pressure tank). (C) is a state in which the water in the water tank (pressure tank) is discharged. FIG. 3 is a partial cross-sectional view showing a state where the submerged power generation device is incorporated in a ship.
The submerged power generation device 1 of the present invention is provided with a water tank (pressure tank) 3 in a floating body 2 that floats on the surface of liquid water, and an inlet 4 opened at the bottom of the water tank (pressure tank) 3. (Introduction tube 5) is set up so that the upper end opening 5a is arranged at a position lower than the upper end 3a of the water tank (pressure tank) 3 while being directed upward in the (pressure tank) 3. The reason that the upper end opening 5a of the introduction cylinder 5 is positioned lower than the upper end 3a of the water tank (pressure tank) 3 is to efficiently store water in the water tank (pressure tank) 3.
[0018]
A hydraulic pipe 8 for rotating and driving a hydraulic turbine 7 of a generator 6 is connected to a lower portion of the water tank (pressure tank) 3. The hydraulic turbine 7 is a device that converts the potential energy of water into mechanical energy, and is not limited to the blade structure as illustrated, and may be any of a blade structure. A check valve 10 is provided in the discharge pipe 9 downstream of the hydraulic turbine 7. The check valve 10 is for preventing the liquid W such as seawater from entering the back end of the discharge pipe 9 and flowing back in the floating main body 2. Here, the liquid W is not limited to seawater but includes liquids such as oil and mercury in addition to fresh water in rivers, swamps, lakes, dams and the like.
[0019]
When the submerged power generation device 1 of the present invention is incorporated in a small boat 11, the floating main body 2 becomes the boat 11 (see FIG. 3). The marine vessel 11 incorporating the submerged power generation device 1 uses the mass and the attractive force of the floating body 2. When the inside of the water tank (pressure tank) 3 moves up and down together with the boat 11, the state of FIG. 2A is changed to the state of FIG. 2B. That is, when the waterline is above the upper end opening 5 a of the introduction inner cylinder 5, the liquid W is introduced into the water tank (pressure tank) 3 through the introduction inner cylinder 5 from the introduction port 4 and stored.
[0020]
Next, as shown in FIG. 2C, when the waterline is below the upper end opening 5a of the introduction inner cylinder 5, the liquid W stored in the water tank (pressure tank) 3 has the potential energy of By the action, water injected from the hydraulic pipe 8 is supplied to the hydraulic turbine 7 to be rotated and driven, and the generator 6 generates power. An air chamber 12 is provided at the tip of the discharge pipe 9.
[0021]
As described above, when the watercraft 11 incorporating the submerged power generation device 1 has the waterline above the upper end opening 5 a of the introduction inner cylinder 5 due to the mass and the attractive force of the floating main body 2, the ship 11 enters the water tank (pressure tank) 3. When the water is introduced and stored, and the waterline is below the upper end opening 5a, the operation of rotating and driving the hydraulic turbine 7 using the potential energy of the stored liquid W is alternately repeated, so that the liquid W is generated by the generator 6. Can be converted into electric power. When the floating body 2 is a ship 11, it is possible to generate electric power by the submerged power generation device even when the ship 11 is moored or anchored.
[0022]
FIG. 4 is a cross-sectional view showing another embodiment of the introduction inner cylinder of the submerged power generation device. FIG. 5 is a partial cross-sectional view showing a state in which the submerged power generation device is incorporated in a ship.
Note that the introduction inner cylinder 5 is not limited to a structure standing upright inside the water tank (pressure tank) 3, and may have a structure in which the introduction inner cylinder 5 is horizontally arranged. With such a structure, the liquid W can be easily stored in the water tank (pressure tank) 3.
[0023]
FIG. 6 is a sectional view showing a second embodiment of the submerged power generator.
The second embodiment differs from the first embodiment in that the hydraulic turbine 7 of the generator 6 is arranged separately from the water tank (pressure tank) 3, unlike the first embodiment. Tank 3). In the second embodiment, an inlet 4 opened at the bottom of a water tank (pressure tank) 3 is directed upward in the water tank (pressure tank) 3 and lower than the upper end of the water tank (pressure tank) 3. An introduction inner cylinder 5 erected so that an upper end opening 5a is arranged at a position, and a hydraulic turbine 7 is provided in the introduction inner cylinder 5.
[0024]
The hydraulic turbine 7 in the introduction inner cylinder 5 uses the mass and the attractive force of the floating body 2 (ship 11) to draw water when the waterline is above the upper end opening 5a of the introduction inner cylinder 5. When the liquid is introduced from the introduction port 4 through the introduction inner cylinder 5, it is rotationally driven. Conversely, also when the liquid W flows out of the introduction inner cylinder 5, the hydraulic turbine 7 can be rotationally driven. Also in the second embodiment, a check valve 10 is provided in the discharge pipe 9 downstream of the water tank (pressure tank) 3 to prevent the liquid W such as seawater from flowing backward from the tip of the discharge pipe 9.
[0025]
The submerged power generator 1 according to the second embodiment is configured such that the hydraulic turbine 7 is disposed in the water tank (pressure tank) 3 and the hydraulic turbine 7 is directly driven to rotate in the introduction inner cylinder 5. In addition, the power generation device can be made compact. In particular, by providing the hydraulic turbine 7 in the introduction inner cylinder 5, the hydraulic turbine 7 can be rotationally driven not only when the liquid W flows into the introduction inner cylinder 5 but also when the liquid W flows out. it can.
[0026]
The floating main body 2 that constitutes the submerged power generation device 1 of the present invention is not limited to the ship 11, and may have a buoyant member provided around the water tank (pressure tank) 3. For example, by integrating a safety buoy on the sea with the submerged power generation device, the illuminating lamp at night can be turned on by private power generation.
[0027]
FIG. 7 is a sectional view showing a third embodiment of a submerged power generation device.
Further, in the submerged power generation device of the present invention, instead of the generator 6, when the floating main body 2 is made to draw by the mass and the attractive force of the floating main body 2, the liquid W is introduced from the introduction port 4 through the introduction inner cylinder 5 to a water tank (pressure tank). 3) The water stored in the water tank (pressure tank) 3 is stored in the water tank (pressure tank) 3 by utilizing the potential energy when the water line is below the upper end opening 5a of the introduction inner cylinder 5. It is also possible to use it as a submergence device that flows out of the tank. For example, it is configured such that water is sprinkled on the water flowing out from the hydraulic pipe 8.
[0028]
The submergence device configured as described above can be used for water purification by floating in a river or lake water. That is, by spraying the liquid W discharged from the hydraulic pipe 8 on the water surface, oxygen can be forcibly supplied into the water area and stagnation in the water area can be improved.
[0029]
Note that the present invention is not limited to the above-described embodiment of the present invention. If the floating main body 2 is configured to store water in the water tank (pressure tank) 3 by the mass and the attractive force of the floating main body 2, as shown in the drawing, The structure is not limited to the structure in which the introduction inner cylinder 5 is set upright or horizontal inside the (pressure tank) 3, and may be variously shaped without departing from the gist of the present invention. is there.
[0030]
【The invention's effect】
As described above, the submerged power generation device of the present invention is configured such that when the floating main body is driven by the mass and the attractive force of the floating main body 2, when the waterline falls below the upper end opening of the introduction inner cylinder, water is introduced from the introduction port. The water introduced into the water tank (pressure tank) through the cylinder and stored therein, and the water stored in the water tank (pressure tank) can be easily generated by rotating the hydraulic turbine using the potential energy thereof.
[0031]
In addition, since the hydraulic turbine is arranged in a water tank (pressure tank), and the hydraulic turbine is configured to be directly driven to rotate in the introduction inner cylinder, the whole apparatus can be made compact and the introduction internal cylinder can be reduced. The hydraulic turbine can be rotationally driven both when water flows into and when water flows out.
[0032]
Furthermore, even when the ship serving as the floating body is moored or moored, power can be generated by the submerged power generation device, and since the energy source is inexhaustible, the cost is low, so there is no adverse effect on the environment. , Etc.
[Brief description of the drawings]
FIG. 1 is a sectional view showing a first embodiment of a submerged power generation device according to the present invention.
FIGS. 2A and 2B are cross-sectional views showing an operation state of the submerged power generation device, wherein FIG. 2A shows a state in which water is introduced into a water tank (pressure tank), and FIG. FIG. 3 (c) is a state in which water in a water tank (pressure tank) is discharged. FIG. 3 is a partial cross-sectional view showing a state in which a submerged power generation device is incorporated in a ship.
FIG. 4 is a cross-sectional view showing another embodiment of the introduction inner cylinder of the submerged power generation device.
FIG. 5 is a partial cross-sectional view showing a state where the submerged power generation device is incorporated in a ship.
FIG. 6 is a sectional view showing a second embodiment of the submerged power generation device.
FIG. 7 is a sectional view showing a third embodiment of a submerged power generation device.
FIG. 8 is a cross-sectional view showing a conventional hydroelectric generator.
[Explanation of symbols]
1 Submersible power generator 2 Floating body 3 Water tank (pressure tank)
4 Inlet 5 Inlet 5a Upper end opening 8 Hydraulic tube 6 Generator 7 Hydraulic turbine 9 Discharge tube 10 Check valve 11 Ship 12 Air chamber W Liquid

Claims (5)

A water tank (pressure tank) (3) provided in a floating body (2) for floating on the surface of liquid water,
From the inlet (4) opened at the bottom of the water tank (pressure tank) (3), it is directed upward in the water tank (pressure tank) (3) and lower than the upper end of the water tank (pressure tank) (3). An introduction inner cylinder (5) erected so that the upper end opening (5a) is arranged at the position;
A hydraulic turbine (7) of a generator (6) provided at an outlet of a hydraulic pipe (8) connected to a lower part of the water tank (pressure tank) (3);
A check valve (10) provided in a discharge pipe (9) on the downstream side of the hydraulic turbine (7).
When the liquid (W) flows from the inlet (4) due to the mass and attractive force of the floating main body (2), when the waterline is above the upper end opening (5a) of the introduction inner cylinder (5), A liquid (W) such as seawater is introduced into the water tank (pressure tank) (3) from the introduction port (4) through the introduction inner cylinder (5) to store water, and then the upper end of the introduction inner cylinder (5) When the waterline is below the opening (5a), the liquid turbine (W) stored in the water tank (pressure tank) (3) is driven to rotate the hydraulic turbine (7) by utilizing its potential energy. A submerged-type power generator, characterized in that: A water tank (pressure tank) (3) provided in a floating body (2) for floating on the surface of liquid water,
From the inlet (4) opened at the bottom of the water tank (pressure tank) (3), it is directed upward in the water tank (pressure tank) (3) and lower than the upper end of the water tank (pressure tank) (3). An introduction inner cylinder (5) erected so that the upper end opening (5a) is arranged at the position;
A hydraulic turbine (7) of a generator (6) provided in the introduction inner cylinder (5);
A check valve (10) provided in a discharge pipe (9) downstream of the water tank (pressure tank) (3);
When the waterline is above the upper end opening (5a) of the introduction inner cylinder (5), the liquid (W) is introduced from the introduction port (4) through the introduction inner cylinder (5) to the water tank (pressure tank) (3). The hydraulic turbine (7) is driven to rotate when being introduced into the inside, and then when the waterline is below the upper end opening (5a) of the introduction inner cylinder (5), the introduction inner cylinder (5) A submerged power generator, wherein the hydraulic turbine (7) is configured to be rotationally driven when the liquid (W) in the inside flows down. The submerged power generator according to claim 1 or 2, wherein an air chamber (12) is provided at a tip of the discharge pipe (9). The submerged power generator according to claim 1, 2 or 3, wherein the floating body (2) is a ship (11). The submerged power generator according to claim 1, 2 or 3, wherein the floating body (2) is provided with a buoyant member around the water tank (pressure tank) (3).

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