CN111156126A - Tidal current energy power generation device and using method - Google Patents
Tidal current energy power generation device and using method Download PDFInfo
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- CN111156126A CN111156126A CN202010176404.1A CN202010176404A CN111156126A CN 111156126 A CN111156126 A CN 111156126A CN 202010176404 A CN202010176404 A CN 202010176404A CN 111156126 A CN111156126 A CN 111156126A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The invention provides a tidal current energy power generation device and a using method thereof, and belongs to the technical field of tidal current energy power generation. The vacuum water storage tank comprises a vacuum water storage tank, a first channel, a second channel, a first pipeline, a second pipeline, a water inlet pipe and a vacuumizing mechanism, wherein a partition plate is arranged in the vacuum water storage tank and divides the vacuum water storage tank into a first cavity and a second cavity, the first cavity and the second cavity are communicated through a gap, the first channel and the second channel are arranged on the vacuum water storage tank, a first through hole and a second through hole are communicated with the second cavity, the first pipeline is horizontally and fixedly arranged outside the first channel, the second pipeline is horizontally and fixedly arranged outside the second channel, the water inlet pipe is fixedly arranged on the vacuum water storage tank, an electromagnetic valve is arranged on the water inlet pipe, a water flow generator is arranged in the water inlet pipe, and when the water inlet pipe, the first pipeline and the second pipeline are completely immersed under the water surface, the vacuumizing mechanism can suck air in the first cavity and the second cavity. The tidal current energy can be fully utilized, and the power generation efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of tidal current energy power generation, and relates to a tidal current energy power generation device and a using method thereof.
Background
The energy source is the national pulse of life. The conventional fossil energy is taken as basic energy to promote the civilized development process of human beings, but also causes great damage to the natural environment. The global problems of greenhouse effect, environmental deterioration and energy shortage are very serious.
Ocean energy is one of green energy sources, and becomes an object of disputed research and development of countries in the world due to the advantages of good reproducibility, strong predictability, cleanness, environmental protection, abundant reserves and the like. Tidal current energy is one of ocean energies, referring to kinetic energy of seawater flow, mainly to relatively steady flow in ocean bottom waterways and straits and regular seawater flow due to tides. Compared with waves, the change of tidal current energy is more stable and regular, forecast can be performed in advance, and the total reserve is rich.
The tidal current energy power generation system drives the impeller on the water flow generator to rotate by utilizing the horizontal flow of seawater and then generates power, but is limited by the technology of the water flow generator, and the generator is difficult to drive to generate power when the tidal current velocity is less than 1.5 m/s, so most tidal current energy is not utilized, and the power generation efficiency of the tidal current energy is greatly low.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a tidal current energy power generation device and a using method thereof, which can make full use of tidal current energy and improve power generation efficiency.
The purpose of the invention can be realized by the following technical scheme:
a tidal current energy power generation device comprises a vacuum water storage tank, wherein the cross section of the vacuum water storage tank is rectangular, a partition plate is vertically arranged in the vacuum water storage tank, the interior of the vacuum water storage tank is sequentially divided into a first cavity and a second cavity by the partition plate from left to right, and a gap is reserved between the upper side edge of the partition plate and the top of the vacuum water storage tank;
the first through hole and the second through hole are respectively arranged on two opposite sides of the vacuum water storage tank and are opposite to each other, and the first through hole and the second through hole are communicated with the second cavity;
the first pipeline is horizontally and fixedly arranged outside the first through hole, the second pipeline is horizontally and fixedly arranged outside the second through hole, and the first pipeline and the second pipeline are on the same axis;
the water inlet pipe is fixedly arranged on the outer side of the vacuum water storage tank, the water inlet pipe is communicated with the first cavity, the water inlet pipe is provided with an electromagnetic valve, and the water inlet pipe is internally provided with a water flow generator;
and the vacuumizing mechanism is arranged at the top of the vacuum water storage tank, and when the water inlet pipe, the first pipeline and the second pipeline are completely immersed under the water surface, the vacuumizing mechanism can dry air in the first cavity and the second cavity to form vacuum.
In the tidal current energy power generation device, the vacuum-pumping mechanism comprises:
the electric vacuum pump is arranged at the top of the vacuum water storage tank, an inlet of the electric vacuum pump is communicated with the top of the first cavity through a pipe, an outlet of the electric vacuum pump is communicated with the outside through a pipe, and the electric vacuum pump is electrically connected with an external power supply.
In a trend can power generation facility of foretell, be equipped with first level sensor and second level sensor on the second cavity inside wall, first level sensor is located first through-hole directly over, second level sensor is located the second through-hole directly over, the top of vacuum storage water tank is equipped with the controller, first level sensor and second level sensor all are connected with the controller electricity, the solenoid valve is connected with the controller electricity.
In the tidal current energy power generation device, one end of the water inlet pipe, which is far away from the vacuum water storage tank, is in an outward-expanding horn shape.
In the tidal current energy power generation device, a solar cell panel and a storage battery are arranged at the top of the vacuum water storage tank, the solar cell panel is electrically connected with the storage battery, and the controller, the first liquid level sensor and the second liquid level sensor are electrically connected with the storage battery.
In the tidal current energy power generation device, the partition plate is provided with the communicating pipe, the communicating pipe is located between the gap and the first through hole, one end of the communicating pipe is communicated with the first cavity, and the other end of the communicating pipe is communicated with the second cavity.
The use method of the tidal current energy power generation device is characterized by comprising the following steps:
s1, placing the tidal current energy power generation device in water, closing the electromagnetic valve on the water inlet pipe, and enabling the water inlet pipe, the first pipeline and the second pipeline to be completely immersed under the water surface, wherein the water levels in the first cavity and the second cavity are consistent with the external water level;
s2, when the water level reaches the first liquid level sensor and the second liquid level sensor, the first liquid level sensor and the second liquid level sensor send signals to the controller, the controller turns on the electric vacuum pump, the electric vacuum pump pumps the air in the first cavity and the second cavity to form vacuum, the external water is pressed into the first cavity and the second cavity, and the water level in the first cavity and the second cavity is higher than the external water level by a water column height of standard atmospheric pressure;
s3, enabling the length direction of a first pipeline and a second pipeline of the tidal current energy power generation device to be consistent with the tidal current direction, opening an electromagnetic valve on a water inlet pipe, enabling tidal water to flow into the first pipeline when the tide rises, sequentially passing through a first through hole and a second through hole, flowing out of the second pipeline, taking away seawater at the bottom of a second cavity, reducing the water level in the second cavity and the first cavity, and enabling external seawater to flow into the first cavity and the second cavity through the water inlet pipe to drive a water flow generator to generate power;
s4, when the tide is ebb, the tide water flows into the second pipeline, sequentially passes through the second through hole and the first through hole, flows out of the first pipeline, takes away the seawater at the bottom of the second cavity, reduces the water level in the second cavity and the first cavity, and flows into the first cavity and the second cavity through the water inlet pipe to drive the water flow generator to generate electricity.
Compared with the prior art, the invention has the following advantages:
1. the tidal current energy power generation device is placed in seawater, a water inlet pipe, a first pipeline and a second pipeline are always immersed under the water surface, the water level in a first cavity and the water level in a second cavity are consistent with the external water surface, an electromagnetic valve on the water inlet pipe is closed, a vacuumizing mechanism is started, air in the first cavity and the air in the second cavity are pumped to be dry, the first cavity and the second cavity are made to be vacuum, water is pressed into the second cavity and the first cavity through the first pipeline and the second pipeline under the action of atmospheric pressure, the water level in the first cavity and the second cavity is made to be higher than the external water level by a water column height of standard atmospheric pressure, the length directions of the first pipeline and the second pipeline are made to be consistent with the direction of tidal current, and then the electromagnetic valve on the water inlet pipe is opened. The vacuumizing device is used only once when the power generation device is installed, so that the whole device can reach a vacuum state, and meanwhile, the vacuumizing device can be restarted for use after the power generation device is maintained;
when tide rises, tide water enters the first pipeline, flows through the first through hole and the second through hole and flows out of the second pipeline, when the tide water flowing into the first pipeline reaches a certain speed, according to the relation between the liquid flow rate and the pressure on the pipe wall in the Bernoulli principle (the larger the liquid flow rate, the smaller the pressure is), the pressure of the tide water in the first pipeline on seawater in the second cavity is reduced, the pressure of the seawater flowing through the second cavity is smaller than atmospheric pressure, so that the seawater on the upper layer of the second cavity is continuously taken away by the seawater flowing through the bottom of the second cavity, the water level in the second cavity is reduced, and as the water levels in the first cavity and the second cavity need to be kept consistent, the water in the first cavity flows into the second cavity, the water column height is reduced, the outside water flows into the first cavity and the second cavity through the water inlet pipe, so that the water column height of the standard atmospheric pressure is always kept in the first cavity and the second cavity, the seawater at the bottom of the second cavity is continuously taken away due to the continuous flow of the tide water, so that the external seawater continuously flows into the water inlet pipe to drive the water flow generator in the water inlet pipe to generate power. If the electromagnetic valve on the water inlet pipe is closed, when the flow rate of the seawater is constant, the height of the water level in the first cavity and the second cavity is kept unchanged, and the larger the flow rate is, the lower the height is;
similarly, when the tide is ebb, the tide water enters the second pipeline, flows through the second through hole and the first through hole and flows out of the first pipeline, when the tide water flowing into the second pipeline reaches a certain speed, the pressure of the tide water in the second pipeline to the seawater in the second cavity is reduced, the pressure of the seawater flowing through the second cavity is less than the atmospheric pressure, the seawater on the upper layer of the second cavity is continuously taken away by the seawater flowing through the bottom of the second cavity, the water level in the second cavity is reduced, the water in the first cavity flows into the second cavity, the height of the water column is reduced, the external water flows into the first cavity and the second cavity through the water inlet pipe, the water column height of the standard atmospheric pressure is always kept in the first cavity and the second cavity, the seawater on the bottom of the second cavity is continuously taken away due to the continuous flow of the tide water, the external seawater flows into the water inlet pipe, and drives the water flow generator in the water inlet pipe to generate electricity, because the rising tide and the falling tide occupy most of the time within one day and are generated continuously, the water flow generator can generate electricity continuously, and the generating efficiency is improved;
2. after the water inlet pipe, the first pipeline and the second pipeline are all positioned below the water surface, the electromagnetic valve on the water inlet pipe is closed, the electric vacuum pump is started, and air in the first cavity and the second cavity is pumped to be dry, so that the first cavity and the second cavity form vacuum, the operation is simple, and the vacuum pumping efficiency is high;
3. putting the tidal current energy power generation device into water, closing an electromagnetic valve on a water inlet pipe, enabling tidal current water to enter a second cavity through a first pipeline and a second pipeline, sending signals to a controller by the first liquid level sensor and the second liquid level sensor when the water level in the second cavity reaches the first liquid level sensor and the second liquid level sensor, and after receiving the two signals, the controller indicates that the first pipeline and the second pipeline are completely submerged below the water surface, so that the first cavity and the second cavity are isolated from outside air, starting an electric vacuum pump at the moment, and then pumping the air in the first cavity and the second cavity to the dry, so that the outside air cannot enter the second cavity and the first cavity, and the first cavity and the second cavity form a vacuum state and keep higher tightness;
4. the flared water inlet pipe is expanded, so that the speed of seawater entering the water inlet pipe in unit time can be increased, and the power generation efficiency of the water flow generator is improved; in addition, the upper sides of the ends, far away from the vacuum water storage tank, of the first pipeline and the second pipeline are inclined upwards, so that the inflow speed of tidal water in unit time can be increased, the seawater pressure in the second cavity is further reduced according to the Bernoulli principle, and the seawater at the bottom of the second cavity is taken away quickly, so that the water inflow speed of the water inlet pipe is increased, and the power generation efficiency of the water flow generator is improved;
5. when the tidal current speed is very fast, when making sea water be less than the height of baffle in first cavity and the second cavity, if the speed of inlet tube moisturizing can not keep up with for the sea water in the first cavity can't supply fast to the second cavity in, the setting up of communicating pipe can make the sea water in the first cavity continuously flow in the second cavity, then is taken away by the tide, can further improve the flow velocity of sea water in the inlet tube, improves the generating efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a cross-sectional view at B-B in fig. 1.
In the figure, 1, a vacuum water storage tank; 11. a partition plate; 111. a communicating pipe; 112. a void; 12. a first cavity; 13. a second cavity; 131. a first liquid level sensor; 132. a second liquid level sensor; 14. a first through hole; 15. a second through hole; 2. a first conduit; 3. a second conduit; 4. a water inlet pipe; 41. an electromagnetic valve; 42. a water current generator; 5. an electric vacuum pump; 6. a storage battery; 61. a solar panel; 7. a controller; 8. a water surface; 9. the water bottom.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, the tidal current energy power generation device comprises a vacuum water storage tank 1, a first through hole 14, a second through hole 15, a first pipeline 2, a second pipeline 3, a water inlet pipe 4 and a vacuumizing mechanism.
The cross section of the vacuum water storage tank 1 is rectangular, a partition plate 11 is vertically arranged in the vacuum water storage tank 1, the interior of the vacuum water storage tank 1 is sequentially divided into a first cavity 12 and a second cavity 13 by the partition plate 11 from left to right, a gap 112 is reserved between the upper side of the partition plate 11 and the top of the vacuum water storage tank 1, and the first cavity 12 is communicated with the second cavity 13 through the gap 112.
Preferably, the vacuum storage tank 1 is cast of concrete and will not be corroded by seawater even if it is immersed in water for a long time.
The first through hole 14 and the second through hole 15 are respectively arranged on two opposite sides of the vacuum water storage tank 1 and are opposite to each other, the first through hole 14 and the second through hole 15 are both located at the bottom of the side wall of the vacuum water storage tank 1, and the first through hole 14 and the second through hole 15 are both communicated with the second cavity 13.
The first pipeline 2 is horizontally and fixedly arranged outside the first through hole 14, the second pipeline 3 is horizontally and fixedly arranged outside the second through hole 15, and the first pipeline 2 and the second pipeline 3 are on the same axis.
The inlet tube 4 sets firmly in the outside of vacuum storage water tank 1, inlet tube 4 is linked together with first cavity 12, be equipped with solenoid valve 41 on the inlet tube 4, be equipped with rivers generator 42 in the inlet tube 4, rivers generator includes generator and impeller, the generator sets firmly in inlet tube 4 through the support, the impeller sets firmly on the input shaft of generator.
The vacuumizing mechanism is arranged at the top of the vacuum water storage tank 1, and when the water inlet pipe 4, the first pipeline 2 and the second pipeline 3 are completely immersed under the water surface 8, the vacuumizing mechanism can dry air in the first cavity 2 and the second cavity 3 to form vacuum.
Placing a tidal current energy power generation device in seawater, fixedly arranging the bottom of a vacuum water storage tank 1 at the water bottom 9, enabling a water inlet pipe 4, a first pipeline 2 and a second pipeline 3 to be always immersed below a water surface 8, enabling the water level in a first cavity 12 and a second cavity 13 to be consistent with the external water surface 8, closing an electromagnetic valve 41 on the water inlet pipe 4, starting a vacuumizing mechanism, vacuumizing air in the first cavity 12 and the second cavity 13, enabling the first cavity 12 and the second cavity 13 to form vacuum, pressing water into the second cavity 13 and the first cavity 12 through the first pipeline 2 and the second pipeline 3 under the action of atmospheric pressure, enabling the water level in the first cavity 12 and the second cavity 13 to be higher than the external water level by a water column height of standard atmospheric pressure, enabling the length direction of the first pipeline 2 and the second pipeline 3 to be consistent with the tidal current direction, and then opening the electromagnetic valve 41 on the water inlet pipe 4;
when tide rises, tide water enters the first pipeline 2, flows through the first through hole 14 and the second through hole 15 and flows out of the second pipeline 3, when the tide water flowing into the first pipeline 2 reaches a certain speed, the pressure intensity of the tide water flowing through the second cavity 13 is smaller when the liquid flow velocity is larger according to the relation between the liquid flow velocity and the pressure intensity on the pipe wall in the Bernoulli principle, the pressure intensity of the tide water flowing through the second cavity 13 is smaller than the atmospheric pressure intensity, so that seawater on the upper layer of the second cavity 13 is continuously taken away by the seawater flowing through the bottom of the second cavity 13, the water level in the second cavity 13 is reduced, as the water levels in the first cavity 12 and the second cavity 13 need to be kept consistent, the water in the first cavity 12 flows into the second cavity 13, the height of the water column is reduced, the external water flows into the first cavity 12 and the second cavity 13 through the water inlet pipe, the atmospheric pressure height of the water column is always kept in the first cavity 12 and the second cavity 13, the seawater at the bottom of the second cavity 13 is continuously taken away, so that the external seawater continuously flows into the water inlet pipe to drive the water flow generator 42 in the water inlet pipe 4 to generate electricity;
similarly, when the tide is going back, the tide water enters the second pipeline 3 and flows through the second through hole 15 and the first through hole 14, and flows out from the first pipeline 2, when the tide water flowing into the second pipeline 3 reaches a certain speed, the pressure of the tide water flowing through the second cavity 13 is less than the atmospheric pressure, so that the seawater on the upper layer of the second cavity 13 is continuously taken away by the seawater flowing through the bottom of the second cavity 13, the water level in the second cavity 13 is reduced, the water in the first cavity 12 flows into the second cavity 13, the height of the water column is reduced, the external water flows into the first cavity 12 and the second cavity 13 through the water inlet pipe, so that the water column height of the standard atmospheric pressure is always kept in the first cavity 12 and the second cavity 13, and the seawater on the bottom of the second cavity 13 is continuously taken away due to the continuous flow of the tide water, so that the external seawater flows into the water inlet pipe 4, and drives the water flow generator 42 in the water inlet pipe 4, because the rising tide and the falling tide take most of the time within one day and are generated continuously, the water flow generator 42 can generate electricity continuously, and the generating efficiency is improved.
Specifically, the vacuum-pumping mechanism includes an electric vacuum pump 5.
The electric vacuum pump 5 is arranged at the top of the vacuum water storage tank 1, an inlet of the electric vacuum pump 5 is communicated with the top of the first cavity 2 through a pipe, an outlet of the electric vacuum pump 5 is communicated with the outside through a pipe, and the electric vacuum pump 5 is electrically connected with an external power supply.
After the water inlet pipe 4, the first pipeline 2 and the second pipeline 3 are all positioned below the water surface, the electromagnetic valve 41 on the water inlet pipe 4 is closed, the electric vacuum pump 5 is started, and air in the first cavity 12 and the second cavity 13 is pumped to be dry, so that the first cavity 12 and the second cavity 13 form vacuum, the operation is simple, and the vacuum pumping efficiency is high; in addition, the electric vacuum pump 5 is used only when the vacuum water storage tank 1 is placed and maintained, and the service life of the electric vacuum pump 5 can be prolonged.
Specifically, be equipped with first level sensor 131 and second level sensor 132 on the second cavity 3 inside wall, first level sensor 131 is located directly over first through-hole 14, second level sensor 132 is located directly over second through-hole 15, the top of vacuum storage water tank 1 is equipped with controller 7, first level sensor 131 and second level sensor 132 all are connected with controller 7 electricity, solenoid valve 41 is connected with controller 7 electricity.
The first liquid level sensor 131 is higher than the height of the nozzle of the first pipeline 2, and the second liquid level sensor 132 is higher than the height of the nozzle of the second pipeline 3.
The tidal current energy power generation device is placed into water, the electromagnetic valve 41 on the water inlet pipe 4 is closed, tidal water enters the second cavity 13 through the first pipeline 2 and the second pipeline 3, when the water level in the second cavity 13 reaches the first liquid level sensor 131 and the second liquid level sensor 132, the first liquid level sensor 131 and the second liquid level sensor 132 both send signals to the controller 7, after the controller 7 receives the two signals, the first pipeline 2 and the second pipeline 3 are completely submerged below the water level 8, the first cavity 12 and the second cavity 13 are isolated from outside air, at the moment, the electric vacuum pump 5 is started, air in the first cavity 12 and the second cavity 13 can be pumped out, the outside air cannot enter the second cavity 13 and the first cavity 12, and the first cavity 12 and the second cavity 13 are in a vacuum state and keep high tightness.
Specifically, one end of the water inlet pipe 4, which is far away from the vacuum water storage tank 1, is in an outward expanding horn shape.
The flared water inlet pipe 4 can increase the speed of seawater flowing into the water inlet pipe 4 in unit time, and improve the power generation efficiency of the water flow generator 42.
Preferably, the upper half parts of the ends of the first pipeline 2 and the second pipeline 3 far away from the vacuum water storage tank 1 are in flaring shapes.
The speed that the first pipeline 2 and the second pipeline 3 expand loudspeaker form outward can increase the inflow of tidal water in the unit interval for according to the Bernoulli principle, make the seawater pressure further reduce in the second cavity 13, take away the sea water of second cavity 13 bottom fast, thereby improve the intake velocity of inlet tube 4, improve rivers generator 42's generating efficiency.
Specifically, the top of the vacuum water storage tank 1 is provided with a solar cell panel 61 and a storage battery 6, the solar cell panel 61 is electrically connected with the storage battery 6 through a solar charge and discharge controller, and the controller 7, the first liquid level sensor 131 and the second liquid level sensor 132 are electrically connected with the storage battery 6.
The marine sunshine is sufficient, and solar cell panel 61 can effectual utilization solar energy, turns into the electric energy with solar energy, stores in battery 6, then provides electric vacuum pump 5, controller 7, first level sensor 131 and second level sensor 132, green.
Specifically, a communication pipe 111 is disposed on the partition 11, the communication pipe 111 is located between the gap 112 and the first through hole 14, one end of the communication pipe 111 is communicated with the first cavity 12, and the other end is communicated with the second cavity 13.
When the tidal current speed is high, and the seawater in the first cavity 12 and the second cavity 13 is lower than the height of the partition plate 11, if the water replenishing speed of the water inlet pipe 4 cannot keep up with the water replenishing speed, the seawater in the first cavity 12 cannot be replenished into the second cavity 13 quickly, the seawater in the first cavity 12 can continuously flow into the second cavity 13 due to the arrangement of the communicating pipe 111, and then is taken away by the tidal current, so that the flow speed of the seawater in the water inlet pipe can be further increased, and the power generation efficiency is improved.
The use method of the tidal current energy power generation device is characterized by comprising the following steps:
s1, placing the tidal current energy power generation device in water, closing the electromagnetic valve 41 on the water inlet pipe 4, and completely immersing the water inlet pipe 4, the first pipeline 2 and the second pipeline 3 below the water surface 8, wherein the water level in the first cavity 12 and the second cavity 13 is consistent with the external water level;
s2, when the water level reaches the first liquid level sensor 131 and the second liquid level sensor 132, the first liquid level sensor 131 and the second liquid level sensor 132 send signals to the controller 7, the controller 7 turns on the electric vacuum pump 5, the electric vacuum pump 5 pumps air in the first cavity 12 and the second cavity 13 to form vacuum, and external water is pressed into the first cavity 12 and the second cavity 13 to enable the water level in the first cavity 12 and the second cavity 13 to be higher than the external water level by a water column height of standard atmospheric pressure;
s3, enabling the length directions of the first pipeline 2 and the second pipeline 3 of the tidal current energy power generation device to be consistent with the tidal current direction, opening the electromagnetic valve 41 on the water inlet pipe 4, enabling tidal water to flow into the first pipeline 2 when the tide rises, sequentially passing through the first through hole 14 and the second through hole 15, flowing out of the second pipeline 3, taking away seawater at the bottom of the second cavity 13, reducing the water levels in the second cavity 13 and the first cavity 12, enabling external seawater to flow into the first cavity 12 and the second cavity 13 through the water inlet pipe 4, and driving the water flow generator 42 to generate power;
s4, when the tide is ebb, the tide water flows into the second pipeline 3, sequentially passes through the second through hole 15 and the first through hole 14, flows out of the first pipeline 2, takes away the seawater at the bottom of the second cavity 13, reduces the water level in the second cavity 13 and the first cavity 12, and flows into the first cavity 12 and the second cavity 13 through the water inlet pipe 4 to drive the water flow generator 42 to generate power.
The tidal current energy power generation device is arranged in a narrow passage between two mountains, the length direction of a first pipeline 2 and a second pipeline 3 is consistent with the tidal current direction, the bottom of a vacuum water storage tank 1 is fixedly arranged at the water bottom 9, no matter the tide rises and falls, a water inlet pipe 4, the first pipeline 2 and the second pipeline 3 are always positioned below the water surface, air in a first cavity 12 and a second cavity 13 is pumped by an electric vacuum pump 5, seawater is pressed into the first cavity 12 and the second cavity 13 under the action of the external atmospheric pressure, the water level in the first cavity 12 and the second cavity 13 is higher than the external water level by the standard water column height of the atmospheric pressure, the seawater at the bottom of the second cavity 13 is taken away through the flow of the tide rising and the tide falling, the water level in the first cavity 12 and the second cavity 13 is lowered, the external seawater continuously flows into the first cavity 12 and the second cavity 13 through the water inlet pipe 4 under the action of the atmospheric pressure, the water flow generator 42 is driven to generate electricity, the size ratio of the water inlet pipe 4 to the first pipeline 2 and the second pipeline 3 is changed, when the sizes of the first pipeline 2 and the second pipeline 3 are larger, although the flow rate of tidal water is smaller, the flow rate in unit time is larger, so that the water quantity required to be supplemented by the water inlet pipe 4 is larger, the size of the water inlet pipe 4 is smaller than that of the first pipeline 2, the flow rate of seawater in the water inlet pipe 4 is greatly increased, the electricity generation efficiency of the water flow generator 42 is improved, and the water inlet pipe 4 only feeds water no matter in flood tide or in tide, the rotation direction of an impeller is always unchanged, so that the service life of the generator is prolonged;
in addition, the rising tide and the falling tide are repeated every day and are long in duration, so that the tidal current energy power generation device can fully utilize tidal current energy and improve the power generation amount.
Preferably, the tidal current energy power generation device can be arranged in a river channel without a ship to pass through, the length direction of the first pipeline 2 and the second pipeline 3 is consistent with the length direction of the river channel, the vacuum water storage tank 1 is fixedly arranged on a river bed, the first pipeline 2, the second pipeline 3 and the water inlet pipe 4 are all positioned under the water surface, the same operation is carried out, vacuum is formed in the first cavity 12 and the second cavity 13, the water level in the first cavity 12 and the second cavity 13 exceeds the water column height of the river surface under the standard atmospheric pressure, because the flow direction of the river is not changed, when the river flows through the first pipeline 2 and the second pipeline 3, according to the bernoulli principle, the pressure intensity of the river flowing through the second cavity 13 is smaller than the atmospheric pressure intensity, so that the river on the upper layer of the second cavity 13 is continuously taken away by the river flowing through the bottom of the second cavity 13, and the river continuously flows into the water inlet pipe 4 to drive the water flow generator 42 to generate electricity.
In the description of this patent, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the patent.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. The tidal current energy power generation device is characterized by comprising a vacuum water storage tank (1), wherein the cross section of the vacuum water storage tank (1) is rectangular, a partition plate (11) is vertically arranged in the vacuum water storage tank (1), the interior of the vacuum water storage tank (1) is sequentially divided into a first cavity (12) and a second cavity (13) by the partition plate (11) from left to right, and a gap (112) is reserved between the upper side edge of the partition plate (11) and the top of the vacuum water storage tank (1);
the vacuum water storage tank comprises a first through hole (14) and a second through hole (15), wherein the first through hole (14) and the second through hole (15) are respectively arranged on two opposite sides of the vacuum water storage tank (1) and are opposite to each other, and the first through hole (14) and the second through hole (15) are communicated with a second cavity (13);
the pipeline comprises a first pipeline (2) and a second pipeline (3), wherein the first pipeline (2) is horizontally and fixedly arranged outside a first through hole (14), the second pipeline (3) is horizontally and fixedly arranged outside a second through hole (15), and the first pipeline (2) and the second pipeline (3) are on the same axis;
the water inlet pipe (4) is fixedly arranged on the outer side of the vacuum water storage tank (1), the water inlet pipe (4) is communicated with the first cavity (12), the electromagnetic valve (41) is arranged on the water inlet pipe (4), and the water flow generator (42) is arranged in the water inlet pipe (4);
the vacuumizing mechanism is arranged at the top of the vacuum water storage tank (1), and when the water inlet pipe (4), the first pipeline (2) and the second pipeline (3) are completely immersed under the water surface (8), air in the first cavity (2) and the second cavity (3) can be pumped to be dry, so that the first cavity and the second cavity are vacuumized.
2. The tidal current energy power generation device of claim 1, wherein the vacuum mechanism comprises:
the vacuum pump comprises an electric vacuum pump (5), wherein the electric vacuum pump (5) is arranged at the top of a vacuum water storage tank (1), an inlet of the electric vacuum pump (5) is communicated with the top of a first cavity (2) through a pipe, an outlet of the electric vacuum pump (5) is communicated with the outside through a pipe, and the electric vacuum pump (5) is electrically connected with an external power supply.
3. The tidal current energy power generation device according to claim 2, wherein a first liquid level sensor (131) and a second liquid level sensor (132) are arranged on the inner side wall of the second cavity (3), the first liquid level sensor (131) is located right above the first through hole (14), the second liquid level sensor (132) is located right above the second through hole (15), a controller (7) is arranged on the top of the vacuum water storage tank (1), the first liquid level sensor (131) and the second liquid level sensor (132) are both electrically connected with the controller (7), and the electromagnetic valve (41) is electrically connected with the controller (7).
4. The tidal current energy power generation device according to claim 3, wherein one end of the water inlet pipe (4) far away from the vacuum water storage tank (1) is in an outward flaring horn shape.
5. The tidal current energy power generation device according to claim 4, wherein a solar panel (61) and a storage battery (6) are arranged at the top of the vacuum water storage tank (1), the solar panel (61) and the storage battery (6) are electrically connected, and the controller (7), the first liquid level sensor (131) and the second liquid level sensor (132) are electrically connected with the storage battery (6).
6. A tidal current energy power generation device according to claim 5, wherein a communication pipe (111) is arranged on the partition plate (11), the communication pipe (111) is positioned between the gap (112) and the first through hole (14), one end of the communication pipe (111) is communicated with the first cavity (12), and the other end is communicated with the second cavity (13).
7. The use method of the tidal current energy power generation device is characterized by comprising the following steps:
s1, placing the tidal current energy power generation device in water, closing the electromagnetic valve (41) on the water inlet pipe (4), and completely immersing the water inlet pipe (4), the first pipeline (2) and the second pipeline (3) below the water surface (8), wherein the water level in the first cavity (12) and the second cavity (13) is consistent with the external water level;
s2, when the water level reaches the first liquid level sensor (131) and the second liquid level sensor (132), the first liquid level sensor (131) and the second liquid level sensor (132) send signals to the controller (7), the controller (7) turns on the electric vacuum pump (5), the electric vacuum pump (5) pumps air in the first cavity (12) and the second cavity (13) to form vacuum, external water is pressed into the first cavity (12) and the second cavity (13), and the water level in the first cavity (12) and the second cavity (13) is higher than the external water level by a standard atmospheric water column height;
s3, enabling the length directions of a first pipeline (2) and a second pipeline (3) of the tidal current energy power generation device to be consistent with the tidal current direction, opening an electromagnetic valve (41) on a water inlet pipe (4), enabling tidal water to flow into the first pipeline (2) when tide rises, sequentially passing through a first through hole (14) and a second through hole (15), flowing out of the second pipeline (3), taking away seawater at the bottom of a second cavity (13), reducing the water levels in the second cavity (13) and the first cavity (12), enabling external seawater to flow into the first cavity (12) and the second cavity (13) through the water inlet pipe (4), and driving a water flow generator (42) to generate electricity;
s4, when the tide is ebb, the tide water flows into the second pipeline (3), sequentially passes through the second through hole (15) and the first through hole (14), flows out of the first pipeline (2), takes away the seawater at the bottom of the second cavity (13), reduces the water level in the second cavity (13) and the first cavity (12), and drives the water flow generator (42) to generate electricity when the seawater outside flows into the first cavity (12) and the second cavity (13) through the water inlet pipe (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019102207697 | 2019-03-22 | ||
| CN201910220769.7A CN109973286A (en) | 2019-03-22 | 2019-03-22 | Tidal current energy generating equipment |
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| Publication Number | Publication Date |
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| CN111156126A true CN111156126A (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910220769.7A Pending CN109973286A (en) | 2019-03-22 | 2019-03-22 | Tidal current energy generating equipment |
| CN202010176404.1A Withdrawn CN111156126A (en) | 2019-03-22 | 2020-03-13 | Tidal current energy power generation device and using method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910220769.7A Pending CN109973286A (en) | 2019-03-22 | 2019-03-22 | Tidal current energy generating equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109973286A (en) * | 2019-03-22 | 2019-07-05 | 王晖 | Tidal current energy generating equipment |
| CN111810349B (en) * | 2020-06-10 | 2022-01-18 | 中国矿业大学 | Offshore tidal power generation device |
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|---|---|---|---|---|
| WO2010086474A1 (en) * | 2009-01-27 | 2010-08-05 | Leopoldo Alandete Jurado | System for generating electric energy making use of water currents |
| JP2012002218A (en) * | 2010-06-17 | 2012-01-05 | Tomiji Watabe | Offshore wave power generator |
| TW201239194A (en) * | 2011-03-30 | 2012-10-01 | Ind Tech Res Inst | Hydraulic power generator |
| GB2491403A (en) * | 2011-06-03 | 2012-12-05 | Timothy James Podd | Water pump |
| CN104261498A (en) * | 2014-09-15 | 2015-01-07 | 中国科学院广州能源研究所 | Wave energy driven seawater temperature difference energy seawater desalination device and method |
| CN109973286A (en) * | 2019-03-22 | 2019-07-05 | 王晖 | Tidal current energy generating equipment |
| CN110291289A (en) * | 2016-10-17 | 2019-09-27 | 浪涌能源有限公司 | For the device and method from fluid extraction energy |
-
2019
- 2019-03-22 CN CN201910220769.7A patent/CN109973286A/en active Pending
-
2020
- 2020-03-13 CN CN202010176404.1A patent/CN111156126A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010086474A1 (en) * | 2009-01-27 | 2010-08-05 | Leopoldo Alandete Jurado | System for generating electric energy making use of water currents |
| JP2012002218A (en) * | 2010-06-17 | 2012-01-05 | Tomiji Watabe | Offshore wave power generator |
| TW201239194A (en) * | 2011-03-30 | 2012-10-01 | Ind Tech Res Inst | Hydraulic power generator |
| GB2491403A (en) * | 2011-06-03 | 2012-12-05 | Timothy James Podd | Water pump |
| CN104261498A (en) * | 2014-09-15 | 2015-01-07 | 中国科学院广州能源研究所 | Wave energy driven seawater temperature difference energy seawater desalination device and method |
| CN110291289A (en) * | 2016-10-17 | 2019-09-27 | 浪涌能源有限公司 | For the device and method from fluid extraction energy |
| CN109973286A (en) * | 2019-03-22 | 2019-07-05 | 王晖 | Tidal current energy generating equipment |
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Application publication date: 20200515 |