CN114837877A - Tidal wave monitoring buoy capable of generating power and power generation method - Google Patents
Tidal wave monitoring buoy capable of generating power and power generation method Download PDFInfo
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- 238000010248 power generation Methods 0.000 title claims abstract description 234
- 238000012544 monitoring process Methods 0.000 title claims abstract description 86
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
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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
- F03B13/266—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 to compress air
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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
- F03B15/00—Controlling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention provides a tidal wave monitoring buoy capable of generating power and a method, wherein the buoy comprises a first tidal power generation unit, a second tidal power generation unit, a power generator and a storage battery; the first tidal power unit comprises a spiral circulation groove and an impeller communicated with the spiral circulation groove; the second tidal power generation unit comprises a wind wheel, a piston and a floating block; the storage battery supplies power for the electric load. According to the invention, the first tidal power generation unit and the second tidal power generation unit are arranged, the first tidal power generation unit is pushed to generate power through the flow of water flow, the second tidal power generation unit is pushed to generate power through the flow of air flow, and power generation is simultaneously carried out through two power generation modes, so that the power generation effect is improved, and the purpose of rapid power generation is realized; the charging of the storage battery in the buoy or the discharging state of the electric load can be effectively managed; the temperature sensor and the like are arranged in the floating block, so that the temperature, salinity and tide parameter data of the water environment can be effectively provided for a remote computer, and the remote wireless wave monitoring buoy can be used.
Description
Technical Field
The invention belongs to the technical field of power generation by using ocean tides, and particularly relates to a tide wave monitoring buoy capable of generating power and a power generation method.
Background
The ocean resource monitoring system has the advantages that the area distribution of China sea areas is wide, ocean resources are rich, and the real-time and all-around monitoring of the ocean can lead human beings to reasonably develop and utilize the ocean resources while protecting the ocean environment, so that the ocean resource monitoring system has important significance.
In addition, most of the conventional power generation apparatuses employ thermal power generation, which consumes a large amount of fuel such as petroleum or coal, and the thermal power generation has disadvantages such as resource shortage, cost increase, and serious environmental pollution caused by residues after combustion. With the gradual consumption reduction of fossil energy on earth and the development of environmental problems brought by energy problems to a place which is difficult to ignore, novel clean energy begins to be developed rapidly and enters the visual field of energy industry. Among many types of clean new energy, ocean energy is a very spotlighted type and has the advantages of large reserves, renewability and the like, and tidal power generation is widely regarded by people as a power generation mode of three main clean energy sources.
However, the existing power generation method using ocean wave energy is simple, and as disclosed in chinese patent 201710567847.1, the power generation device using ocean wave energy includes brackets on both sides, at least one row of louver assemblies capable of sliding back and forth in the longitudinal direction of the brackets under the action of ocean waves are horizontally disposed between the two brackets, and the brackets are provided with transverse slideways for guiding the louver assemblies to slide, so as to generate power by pushing the louver assemblies to slide back and forth in the longitudinal direction of the brackets by utilizing ocean waves.
In the aspect of the buoy of the marine environment, for example, a buoy with the power generation function of utilizing ocean wave energy and solar energy disclosed by Chinese patent CN108248764A, a two-degree-of-freedom resonance system is formed by a buoy, a load-carrying device and a central shaft rod, relative motion is generated under the excitation of ocean waves, and the wave energy is converted into electric energy through the periodic vibration of a piezoelectric power generation device and is output, so that power is supplied to various monitoring devices, and for example, a controllable light buoy based on the wave energy, the solar energy and wind energy power generation disclosed by Chinese patent CN110080948A, the buoy moves up and down and sinks, so that the wave energy is converted into the electric energy to directly provide propeller rotation to control the motion of the buoy; the solar panel and the wind power generation provide electric energy for the operation of the lighting system; the device integrates solar power generation, wind power generation and wave power generation.
It can be seen that most of the buoys which generate power by using ocean wave energy and other renewable energy sources in the prior art only use the water flow of tidal waves to generate mechanical energy and then convert the mechanical energy into electric energy to generate power, i.e. the buoy adopts a single power generation mode to achieve the purpose of generating power, and has low power generation efficiency, so that the buoy has low income and cannot meet the power consumption requirement; meanwhile, the buoy in the prior art also lacks a method for utilizing and managing the generated electric energy, and cannot predict whether the electric energy generated by tidal power generation is reasonably utilized.
Disclosure of Invention
The invention aims at the defects and provides a tide wave monitoring buoy capable of generating power and a power generation method. According to the invention, the first tidal power generation unit and the second tidal power generation unit are arranged, the first tidal power generation unit is pushed to generate power through the flow of water flow, the second tidal power generation unit is pushed to generate power through the flow of air flow, and power generation is simultaneously carried out through two power generation modes, so that the power generation effect is improved, and the purpose of rapid power generation is realized; the charging of the storage battery in the buoy or the discharging state of the electric loads such as signal lamps and the like are effectively managed by monitoring the impeller parameter data, the wind wheel parameter data and the storage battery parameters in real time; the temperature sensor and the like are arranged in the floating block, so that the temperature, salinity and tide parameter data of the water environment can be effectively provided for a remote computer, and the remote wireless wave monitoring buoy can be used as a remote wireless wave monitoring buoy. The tide wave monitoring buoy capable of generating power can utilize the flow of water flow and the rise and fall of water level to generate power at different angles, fully utilize ocean tide energy, improve the power generation efficiency and effectively manage the electric energy generated by power generation, provide the electric energy for the signal lamp while providing the electric energy for each sensor for monitoring the environmental parameters of ocean water in real time, monitor the environmental parameters of ocean water in real time, provide illumination for a ship, monitor whether the electric quantity generated by the impeller and the wind wheel of tide power generation in the storage battery is enough to meet the electric quantity required by a load in real time, and is in a charging or discharging mode, so that the charging and discharging of the storage battery are effectively managed. The technical effect of multiple purposes of one buoy can be realized, and multiple purposes can be achieved.
The invention provides the following technical scheme: the tidal wave monitoring buoy capable of generating power comprises a shell, wherein a first through hole is formed in the shell, a first rotary disc is installed in the first through hole, and a first connecting rod is installed on the first rotary disc; a first tidal power generation unit and a second tidal power generation unit are respectively arranged in the shell, the first tidal power generation unit is used for generating power by utilizing the flow of water flow, and the second tidal power generation unit is used for generating power by utilizing the rise and fall of the water level;
the first tidal power unit comprises a spiral circulation groove and an impeller communicated with the spiral circulation groove; the second tidal power generation unit comprises a wind wheel, a piston and a floating block, and a temperature sensor, a salinity sensor and a tidal sensor are arranged in the floating block; the buoy is also internally provided with a generator, a storage battery parameter acquisition module, an impeller parameter acquisition module and a wind wheel parameter acquisition module, the impeller and the wind wheel are fixedly connected with a rotating shaft of the generator, and the generator is electrically connected with the storage battery; the electric energy generated by the first tidal power generation unit and the second tidal power generation unit is stored in the storage battery, the storage battery supplies power to an electric load, and the electric load comprises the signal lamp, the wireless signal transmitting module, the storage battery parameter acquisition module, the impeller parameter acquisition module, the wind wheel parameter acquisition module, the temperature sensor, the salinity sensor and the tidal sensor;
the remote control system is characterized in that the top end of the first connecting rod is provided with a signal lamp and a wireless data transmission module, the wireless data transmission module is in wireless communication connection with the remote control central computer, and wave and tide cycle time data, wave waveform data, water level height data, water flow speed data, temperature data and salinity data of a water environment in which the remote control central computer is located and real-time parameters of the storage battery which are monitored in real time are wirelessly transmitted to the remote control central computer.
Further, the spiral flow groove is arranged between the plurality of water inlets and the plurality of water outlets on the shell; the impeller is arranged in the shell and corresponds to the bottom end of the first rotating disc, a second rotating disc is fixedly connected in the shell and corresponds to the bottom end of the impeller, a plurality of second through holes are formed in the second rotating disc and the first rotating disc, and the impeller is rotatably connected to a position between the first rotating disc and the second rotating disc; the wind wheel set up in the inside of first through-hole, the piston set up in the inside of first through-hole corresponds the below of wind wheel just the bottom fixedly connected with second connecting rod of piston, floating block fixed connection be in the other end of second connecting rod.
The invention also provides a power generation method of the tidal wave monitoring buoy capable of generating power, which comprises the following steps:
s1: monitoring and acquiring the rotating speed of an impeller in the first tidal power generation unit, the rotating speed ratio of the blade tips of rotor blades of the impeller, the rotating speed of a wind wheel in the second tidal power generation unit, the rotating speed ratio of the blade tips of the rotor blades of the wind wheel, the real-time hourly self-discharge rate of a storage battery, the real-time direct current-alternating current conversion efficiency of the storage battery, the real-time charging efficiency and the real-time discharging efficiency of the storage battery and the electric energy required by the work of an electric load in real time;
s2: according to the rotating speed of the impeller and the tip rotating speed ratio of the rotor blades of the impeller, which are obtained by real-time monitoring and acquisition in the step S1, a real-time power coefficient calculation model of the first tidal power generation unit is constructed, and the real-time power generation rated power of the first tidal power generation unit is calculated;
s3: constructing a real-time power coefficient calculation model of the second tidal power generation unit according to the rotating speed of the wind wheel and the tip rotating speed ratio of the blades of the wind wheel rotor obtained by real-time monitoring in the step S1, and calculating the real-time power generation rated power of the second tidal power generation unit;
s4: comparing the rotating speed of the impeller obtained by real-time monitoring with the rated rotating speed and the cut-in rotating speed of the impeller to further determine the electric energy generated by the first tidal power generation unit in real time; comparing the rotating speed of the wind wheel obtained through real-time monitoring with the cut-in rotating speed, the rated rotating speed and the cut-out rotating speed of the wind wheel, and further determining the electric energy generated by the second tidal power generation unit in real time; adding and calculating the total electric energy generated in real time and stored in a storage battery;
s5: and judging whether the total electric energy which is obtained by calculation in the step S4 and is generated in real time and stored in the storage battery reaches an electric quantity threshold of the electric energy which is required by the electric load in real time after direct-alternating conversion, if so, controlling the storage battery to be in a discharging state mode by the remote control computer, and otherwise, controlling the storage battery to be in a charging state mode by the remote control computer.
Further, the first tidal power generation unit real-time power coefficient calculation model constructed in the step S2 is as follows:
wherein M is A And (t) is the real-time power coefficient of the first tidal power generation unit, lambda (t) is the real-time monitored blade tip rotation speed ratio of the impeller rotor blade, and theta is the included angle between the connecting line of the outer end part of the impeller (13) in the first tidal power generation unit and the central axial point of the first through hole and the connecting line of the inner end part of the impeller and the central axial point of the central first through hole.
Further, the calculation formula of the real-time power generation rated power of the first tidal power generation unit in the step S2 is as follows:
wherein the content of the first and second substances,
rated power, rho, for real-time power generation of the first tidal Power Unit w Is the water density, S, of the water environment in which the buoy is located A Is the cross-sectional area of a single blade in the impeller in the first tidal Power Unit, n is the number of blades in the impeller, v A (t) the first step of monitoring and collecting in real time in the step S1The rotational speed of the impeller in the tidal power Unit.
Further, the real-time power coefficient calculation model of the second tidal power generation unit in the step S3 is as follows:
wherein, M B (t) is the real-time power coefficient of the second tidal power generation unit, gamma (t) is the real-time monitored tip speed ratio of the rotor blades of the wind wheel,
is the angle between the surface inclination angle of the wind wheel in the second tidal power generation unit and the horizontal plane.
Further, the calculation formula of the real-time power generation rated power of the second tidal power generation unit in the step S3 is as follows:
wherein the content of the first and second substances,
rated power, rho, for real-time power generation of the second tidal Power Unit a Is the density of air, S B A circular cross-sectional area v of the second tidal power generation unit wind wheel with the axial center of the first through hole as a circle center and the length of the wind wheel blade as a diameter B (t) monitoring and collecting the obtained rotation speed of the wind wheel in the second tidal power generation unit in real time in the step of S1.
Further, in the step S4, the rotation speed of the impeller obtained through real-time monitoring is compared with the rated rotation speed and the cut-in rotation speed thereof, so as to determine that the electric energy generated by the first tidal power generation unit in real time is as follows:
wherein E is A (t) is the power generated by the first tidal power Unit in real time,
a nominal rotational speed for the impeller of the first tidal power Unit;
the cut-in speed for the impeller of the first tidal power Unit.
Further, in the step S4, the rotation speed of the wind turbine obtained through real-time monitoring is compared with the cut-in rotation speed, the rated rotation speed and the cut-out rotation speed of the wind turbine
And further determining the real-time generated power of the second tidal power generation unit as follows:
wherein E is B (t) is the power generated by the second tidal power Unit in real time,
cutting a rotational speed for a wind wheel of a second tidal power Unit;
is the rated rotational speed of the wind rotor of the second tidal power Unit,
the wind wheel cut-in speed for the second tidal power Unit.
Further, the electric quantity threshold of the electric energy required by the electric load after the direct-alternating current conversion in the step S5 is E N (t)/δ DA (t) wherein E N (t) is the sum of the AC electric energy needed by the electric load, delta DA (t) the real-time dc-ac conversion efficiency of the storage battery obtained by the real-time monitoring of the step S1;
when E is T (t)≥E N (t)/δ DA (t) generating and storing total electric energy E of the storage battery in real time T (t) reaching the electric quantity threshold E of the electric energy required by the electric load after the direct-alternating current conversion N (t)/δ DA (t), at this time, the remote control computer controls the storage battery to be in a discharging mode, and the remote control computer controls the real-time state of charge value SOC (t) of the storage battery to meet the following conditions:
when E is T (t)≤E N (t)/δ DA (t), the remote control computer controls the storage battery to be in a charging mode, and the remote control computer controls the real-time state of charge value SOC (t) of the storage battery to meet the following conditions:
wherein SOC (t-1) is the real-time state of charge value of the storage battery at the t-1 moment, and mu (t) is the real-time per-hour self-discharge rate and delta of the storage battery obtained by the real-time monitoring of the step S1 BC (t) the real-time charging efficiency, delta, of the storage battery obtained by the real-time monitoring in the step S1 BD And (t) the real-time discharging efficiency of the storage battery obtained by the real-time monitoring of the step S1.
The invention has the beneficial effects that:
1. according to the invention, by arranging the first tidal power generation unit and the second tidal power generation unit, water flow enters from the top end of the shell, the first tidal power generation unit is pushed to generate power by the flow of the water flow, and meanwhile, along with the change of the water level, the air flow continuously gushes in and out from the sleeve, so that the second tidal power generation unit is pushed to generate power by the flow of the air flow, and the power generation is simultaneously carried out by two power generation modes, so that the power generation effect is improved, and the purpose of rapid power generation is realized.
2. The first tidal power generation unit in the buoy provided by the invention is provided with the impeller, when the water level change is large, water flow enters the shell from the water inlet, and is arranged at the part extending outwards from the top end of the shell, so that more water flow is collected, after the water flow enters from the water inlet, the impeller is impacted after being accelerated by the spiral of the spiral circulation groove, the impeller is further driven to rotate, then the water flow is led out from the water outlet, the generator is driven to generate power along with the rotation of the impeller, the generated electric quantity is stored by the storage battery, when the water level change is not large, the water flow is enabled to rush into the spiral circulation groove from the water outlet when the water level rises, and when the water level drops, the water flow rushes out to drive the impeller to rotate, so that the next step of power generation is convenient, through the arrangement of the first tidal power generation unit, under the condition that the water level change is not large and the water level change is large, all can generate electricity, and then the purpose of improving the generating efficiency is realized.
3. According to the second tidal power generation unit in the buoy provided by the invention, the wind wheel and the floating block are arranged, when the water level changes, along with the rise of the water level, water flow pushes the floating block to move upwards, the piston is pushed to move upwards through the matching of the floating block and the second connecting rod, so that air flow in the first through hole flows out from the top end of the sleeve after passing through the wind wheel and the second through hole, the wind wheel is driven to rotate through the air flow, the generator is driven to generate electricity through the rotation of the wind wheel, the generated electricity is stored through the storage battery, along with the fall of the water level, the piston moves downwards, the air flow is enabled to flow in from the top end of the sleeve, the air flow is shunted through the second through hole, the air flow speed is improved, the air flow passes through the wind wheel, the wind wheel is pushed to rotate, the thickness direction of blades of the wind wheel is of a conical structure, and the wind wheel can be ensured to rotate in the same direction no matter whether the wind wheel is subjected to forward wind or reverse wind, do benefit to and drive the generator and continue the electricity generation, drive the generator simultaneously through second tidal power generation unit and first tidal power generation unit and generate electricity, adopt two kinds of power generation methods and power generation structure to improve the power generation effect, and through the use of wind wheel, realize the purpose of continuing the electricity generation.
4. According to the buoy provided by the invention, the temperature sensor, the salinity sensor and the tide sensor are arranged at the bottom of the buoy, so that parameter data such as wave waveform parameters caused by the temperature, the salinity and the tide of a water environment such as the ocean, time parameters of a tide cycle, water level height of the tide, water flow speed and the like can be acquired in real time, and then transmitted to a remote control central computer through a wireless data transmission module in wireless communication connection with the remote control central computer, and the environment parameter data such as the ocean of the water environment where the tide wave monitoring buoy capable of generating electricity is located is provided for the remote control central computer;
the electric energy generated by the first tidal power generation unit and the second tidal power generation unit is converted into alternating current to be supplied to the signal lamp to maintain the navigation direction of the illuminating guide sailing boat, the data exchange between the wireless data transmission module and the remote control central computer, and the data acquisition of the temperature sensor, the salinity sensor and the tidal sensor at the bottom of the buoy to provide electric quantity.
5. The power generation method of the buoy provided by the invention comprises the steps that firstly, the impeller of the first tidal power generation unit generates power under the condition of water flow, meanwhile, the wind wheel of the second tidal power generation unit generates power by utilizing the rise and fall of the water level caused by tides, and the storage battery parameter acquisition module arranged in the buoy acquires the self-discharge rate mu (t) of the storage battery per hour and the direct current-alternating current conversion efficiency delta (t) of the storage battery in real time DA (t) battery charging efficiency delta BC (t) and Battery discharge efficiency δ BD (t) acquiring the rotating speed v of the impeller in the first tidal power generation unit in real time through the impeller sensor A (t) and the tip rotation speed ratio lambda (t) of the impeller rotor blade, and then constructing a first tidal power generation unit real-time power coefficient calculation model M according to the data and the included angle of the impeller blade relative to the central shaft of the first through hole A (t) and calculating a real-time power generation rated power of the first tidal power generation unit based on the water density, the number of blades of the impeller, and the area of each blade of the impeller
Acquiring the rotating speed v of the wind wheel in the second tidal power generation unit in real time through the wind wheel sensor B (t) tip speed ratio of rotor blades of wind wheel gamma (t)Then, a second tidal power generation unit real-time power coefficient calculation model M based on the included angle between the blades of the wind wheel and the horizontal plane is constructed according to the calculation model M B (t) calculating the real-time power generation rated power of the second tidal power generation unit based on the air density and the circular cross-sectional area of the wind wheel with the axial center of the first through hole as the circle center and the length of the wind wheel blade as the diameter
Then the rotating speed v of the impeller is obtained by respectively monitoring in real time A (t) and its rated speed
And the cut-in speed
To determine the electric energy E generated by the first tidal power generation unit in real time A (t); the rotating speed v of the wind wheel obtained by real-time monitoring is compared B (t) and the cut-in rotation speed thereof
Rated speed of rotation
And cut-out rotational speed
And determining the electric energy E generated by the second tidal power generation unit in real time B (t) electric energy E generated by the first tidal Power Generation Unit in real time A (t) electric energy E generated in real time by the second tidal Power Unit B (t) adding to obtain the total electric energy E generated by the buoy in real time and stored in the storage battery (15) T (t) determining the total electric energy E generated in real time and stored in the storage battery T (t) whether or not the electric quantity is greater than or equal to the electric quantity threshold value E of the electric energy required by the electric load after the direct-alternating current conversion N (t)/δ DA (t) further when E T (t)≥E N (t)/δ DA When (t), the remote control central computer controls the storage battery to be in the negative stateA mode of outputting the stored electric energy (discharge state) thereof;
or does not reach the electric quantity threshold value E of the electric energy required by the electric load N (t)/δ DA At (t) (i.e. E) T (t)≤E N (t)/δ DA (t)) the remote control central computer controls the storage batteries in a mode of storing electrical energy (state of charge) generated by the first tidal power unit and the second tidal power unit, effectively managing electrical energy from the storage batteries in the tidal wave monitoring buoy provided by the present invention that can generate electricity.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a schematic perspective view of a tidal power plant;
FIG. 2 is a schematic front view of a tidal power plant;
FIG. 3 is a schematic perspective exploded view of a tidal power plant;
FIG. 4 is a perspective view of the housing;
FIG. 5 is a flow chart of a method of generating electricity from a tidal wave monitoring buoy according to the present invention;
FIG. 6 is a top plan view of the impeller of the tidal wave monitoring buoy provided by the present invention that can generate electricity;
FIG. 7 is a side view of the wind wheel of a tidal wave monitoring buoy that may be used to generate power according to the present invention;
figure 8 is a top view of the wind wheels of a tidal wave monitoring buoy that can generate power according to the present invention.
In the figure:
1. a housing; 2. a floating plate; 3. reinforcing rib plates; 4. a first connecting rod; 5. a sleeve; 6. a shield; 7. a water retaining ring; 8. a water inlet; 9. a water outlet; 10. a first turntable; 11. a second turntable; 12. a second through hole; 13. an impeller; 14. a generator; 15. a storage battery; 16. a wind wheel; 17. a piston; 18. a second connecting rod; 19. floating blocks; 20. and (4) a baffle ring.
As shown, specific structures and devices are labeled in the figures to clearly realize the structures of the embodiments of the present invention, but this is only an illustration and is not intended to limit the present invention to the specific structures, devices and environments, and those skilled in the art can make adjustments or modifications according to specific needs, and the adjustments or modifications are still included in the scope of the appended claims.
Detailed Description
The present invention provides a tidal wave monitoring buoy capable of generating power and a method for generating power thereof, which will be described in detail with reference to the accompanying drawings and specific embodiments. Meanwhile, it is described herein that the following embodiments are the best and preferred embodiments for the purpose of making the embodiments more detailed, and may be implemented in other alternative ways by those skilled in the art; and the accompanying drawings are included to describe embodiments in greater detail and are not intended to limit the invention in any particular manner.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
In general, terms may be understood at least in part from the context in which they are used. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in the singular or may be used to describe a combination of features, structures, or characteristics in the plural, depending at least in part on the context. Additionally, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead allow for the presence of other factors not necessarily explicitly described, depending at least in part on the context.
As used herein, the term "nominal" refers to a desired or target value, and a range of values above and/or below the desired value, of a characteristic or parameter set during a design phase of a production or manufacturing process for a component or process operation. The range of values may be due to slight variations in manufacturing processes or tolerances. As used herein, the term "about" indicates a value of a given amount that may vary based on the particular technology node associated with the subject semiconductor device. The term "about" may indicate a given amount of a value that varies, for example, within 5% -15% of the value (e.g., ± 5%, ± 10% or ± 15% of the value), based on the particular technology node.
It will be understood that the meaning of "on … …", "above … …" and "above … …" in this disclosure should be read in the broadest manner such that "on … …" means not only "directly on" but also including the meaning of "on" something with intervening features or layers therebetween, and "above … …" or "above … …" means not only "on" or "above" something, but may also include the meaning of "on" or "above" with no intervening features or layers therebetween.
Furthermore, spatially relative terms such as "below …," "below …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature or elements, as illustrated in the figures. Spatially relative terms are intended to encompass different orientations in use or operation of the device in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 4, the tidal wave monitoring buoy capable of generating power provided by the invention comprises a housing 1, wherein a first through hole is formed in the housing 1, a first rotating disc 10 is installed in the first through hole, a first connecting rod 4 is installed on the first rotating disc 10, a first tidal power generation unit and a second tidal power generation unit are respectively arranged in the housing 1, the first tidal power generation unit is used for generating power by using the flow of water flow, and the second tidal power generation unit is used for generating power by using the rise and fall of water level; the first tidal power Unit comprises a spiral flow channel and an impeller 13 in communication therewith; the second tidal power generation unit comprises a wind wheel 16, a piston 17 and a floating block 19, and a temperature sensor, a salinity sensor and a tidal sensor are arranged in the floating block 19; the temperature sensor is used for monitoring the temperature data of the water environment in which the buoy is located in real time, the salinity sensor is used for monitoring the salinity data of the water environment in real time, and the tide sensor is used for monitoring the wave and tide cycle time data, the wave waveform data, the water level height data and the water flow speed data of the water environment in real time;
the buoy is also internally provided with a generator 14, a storage battery 15, a storage battery parameter acquisition module, an impeller parameter acquisition module and a wind wheel parameter acquisition module, an impeller 13 and a wind wheel 16 are both fixedly connected with a rotating shaft of the generator 14, the generator 14 is electrically connected with the storage battery 15, and electric energy generated by the generation of the impeller of the first tidal power generation unit under the flowing of water flow and electric energy generated by the generation of the wind wheel 16 by utilizing the lifting of the water level are stored in the storage battery 15 after being generated by the generator 14;
the storage battery parameter acquisition module is used for acquiring the self-discharge rate of the storage battery per hour, the direct current-alternating current conversion efficiency of the storage battery, the charging efficiency of the storage battery, the discharge efficiency of the storage battery and the electric energy required by the work of an electric load in real time; the impeller parameter acquisition module is used for monitoring and acquiring the rotating speed of an impeller 13 and the tip rotating speed ratio of rotor blades of the impeller in the first tidal power generation unit in real time, and the wind wheel parameter acquisition module is used for monitoring and acquiring the rotating speed of a wind wheel 16 and the tip rotating speed ratio of the rotor blades of the wind wheel in the second tidal power generation unit in real time;
the storage battery 15 supplies power for an electric load, and the electric load comprises a signal lamp, a wireless signal transmitting module, a storage battery parameter acquisition module, an impeller parameter acquisition module, a wind wheel parameter acquisition module, a temperature sensor, a salinity sensor and a tide sensor;
through the arrangement of the signal line and the signal lamp, the tidal power generation equipment is convenient to recover, and meanwhile, the tidal power generation equipment can be used as a buoy and can be used for navigation of a ship.
The top end of the first connecting rod 4 is respectively provided with a signal line, a signal lamp and a wireless data transmission module, the wireless data transmission module is in wireless communication connection with the remote control central computer, and wave tide cycle time data, wave waveform data, water level height data, water flow speed data, temperature data and salinity data of the water environment and real-time parameters of the storage battery which are monitored in real time are wirelessly transmitted to the remote control central computer.
Furthermore, the electricity load can also comprise a geographic coordinate positioning module such as a GPRS positioning module and the like for monitoring the geographic position of the tide wave monitoring buoy capable of generating electricity in real time, and the geographic coordinate positioning module is transmitted to a remote control central computer through a wireless data transmission module, so that the tide wave monitoring buoy capable of generating electricity can be remotely identified and controlled to cruise in a specific specified area according to the marine water environment indexes (temperature, salinity and tide indexes) to be monitored.
According to the tide wave monitoring buoy capable of generating power, the temperature sensor, the salinity sensor and the tide sensor are arranged at the bottom of the buoy, so that parameter data such as wave waveform parameters caused by the temperature, the salinity and the tide of a water environment such as the sea, time parameters of a tide period, the water level height of the tide, the water flow speed and the like can be acquired in real time, and then transmitted to the remote control central computer through the wireless data transmission module in wireless communication connection with the remote control central computer, environment parameter data of the water environment such as the sea where the tide wave monitoring buoy capable of generating power is located is provided for the remote control central computer, and the tide wave monitoring buoy can be used as a wave monitoring buoy with a wireless data transmission function and used for acquiring the ocean environment parameters to realize parameter data measurement of the water environment waves such as the sea and the like;
the electric energy generated by the first tidal power generation unit and the second tidal power generation unit is converted into alternating current to be supplied to the signal lamp to maintain the navigation direction of the illuminating guide sailing boat, the data exchange between the wireless data transmission module and the remote control central computer, and the data acquisition of the temperature sensor, the salinity sensor and the tidal sensor at the bottom of the buoy to provide electric quantity.
As a preferred embodiment of the invention, the sleeve 5 is connected to the first connecting rod 4 in a threaded manner, the bottom end of the sleeve 5 is fixedly connected with the shield 6, and the shield 6 is sleeved on the first connecting rod 4, water flow enters from the top end of the shell 1 along with the change of the water level, the first tidal power generation unit is pushed to generate power by the flow of the water flow, and meanwhile, along with the change of the water level, air flow continuously gushes in and gushes out from the sleeve 5, so that the second tidal power generation unit is pushed to generate power by the flow of the air flow, and the power generation is simultaneously performed by two power generation modes, so that the power generation effect is improved, and the purpose of rapid power generation is realized.
Through the setting of sleeve 5 for the surface of water is kept away from to the top air intake, prevents inside rivers get into this tidal power generation equipment, prevents that internals from receiving corrosion damage, through the setting of guard shield 6 and head rod 4, realizes preventing inside rivers get into this tidal power generation equipment, simultaneously, plays the protection to head rod 4 hookup location department, prevents that connecting bolt from receiving corrosion damage.
Further preferably, the top end of the housing 1 corresponding to the first through hole is provided with a water retaining ring 7 for tightly clamping the sleeve 5 and the shield 6 with the housing 1, so as to avoid the situation that when the wind wheel 16 and the piston 17 of the second tidal power generation unit work, the airflow which should be discharged from the sleeve 5 is discharged from the connecting gap between the shield and the housing 1, and the wind wheel 16 cannot be driven by the change of the airflow to generate power for the second tidal power generation unit.
As a preferred embodiment of the present invention, the first tidal power generation unit includes a water inlet 8, the plurality of water inlets 8 are disposed at the top end of the housing 1, the housing 1 is provided with a plurality of water outlets 9, the spiral circulation groove is disposed between the water inlet 8 and the water outlets 9, the impeller 13 is disposed inside the housing 1 and corresponds to the bottom end of the first rotary disk 10, the bottom end of the housing 1 and corresponding to the impeller 13 is fixedly connected to the second rotary disk 11, the second rotary disk 11 and the first rotary disk 10 are both provided with a plurality of second through holes 12, and the impeller 13 is rotatably connected to a position between the first rotary disk 10 and the second rotary disk 11, further preferably, the generator 14, the storage batteries 1, 5, the storage battery parameter acquisition module, the impeller parameter acquisition module, and the wind wheel parameter acquisition module are all disposed on the second rotary disk 11.
When the water level changes greatly, water flow enters the shell 1 from the water inlet 8 and is arranged through the part extending outwards from the top end of the shell 1, more water flow is collected, after entering from the water inlet 8, the water flow is accelerated by the spiral of the spiral circulation groove and impacts the impeller 13, so that the impeller 13 is driven to rotate, then the water flow is led out from the water outlet 9, the generator 14 is driven to generate electricity along with the rotation of the impeller 13, and the generated electricity is stored through the storage battery 15;
when the water level change is not big, when the water level rose for rivers gush into the spiral circulation inslot from delivery port 9, along with the continuous decline of water level, rivers that gush into in the shell 1 from delivery port 9 flow out through delivery port 9 once more and can drive impeller 13 rotation equally, and then be convenient for next step power generation work, through the setting of this tidal power generation unit, under the little and great condition of water level change, all can carry out power generation work, and then realize improving generating efficiency's purpose.
As another preferred embodiment of the present invention, the wind wheel 16 is disposed inside the first through hole, the piston 17 is disposed inside the first through hole and corresponds to the lower portion of the wind wheel 16, the bottom end of the piston 17 is fixedly connected with a second connecting rod 18, and the floating block 19 is fixedly connected to the other end of the second connecting rod 18.
As a preferred embodiment of the present invention, a stop ring 20 is fixedly connected to the bottom end of the housing corresponding to the first through hole; when the water level changes, along with the rise of the water level, the water flow pushes the floating block 19 to move upwards, the piston 17 is pushed to move upwards through the matching of the floating block 19 and the second connecting rod 18, further, after the air flow in the first through hole passes through the wind wheel 16 and the second through hole 12, the air flow gushes out from the top end of the sleeve 5, the wind wheel 16 is driven to rotate through the air flow, the generator 14 is driven to generate electricity through the rotation of the wind wheel 16, the generated electricity is stored through the storage battery 15, along with the fall of the water level, the piston 17 moves downwards, the air flow gushes in from the top end of the sleeve 5, the air flow is shunted through the second through hole 12, the air flow velocity is improved, the air flow passes through the wind wheel 16, the wind wheel 16 is pushed to rotate, as shown in figures 3 and 7, the thickness direction of the blades of the wind wheel 16 is of a conical structure, the upper surfaces and the lower surfaces of the blades are both inclined towards the horizontal plane, the inclined angles of the upper surfaces are the same as the inclined angles of the lower surfaces, are all made of
Therefore, no matter the wind wheel 16 is subjected to forward wind or reverse wind, the wind wheel 16 can be ensured to rotate in the same direction, the generator 14 can be driven to generate power continuously, the generator 14 is driven to generate power simultaneously through the second tidal power generation unit and the first tidal power generation unit, the power generation effect is improved through two power generation modes and power generation structures, and the purpose of generating power continuously is achieved through the use of the wind wheel 16.
As another preferred embodiment of the present invention, as shown in fig. 1, a floating plate 2 is disposed on a housing 1, a reinforcing rib plate 3 is disposed between the floating plate 2 and the housing 1, and the floating plate 2 provides a large buoyancy for the tidal power generation equipment, so that the upper part of the floating plate 2 is on the water surface under the condition that the water level change is not large, which is beneficial to pushing the tidal power generation equipment to rise and fall quickly when the water level changes, and is further beneficial to quick power generation. Through setting up the kickboard, the kickboard provides great buoyancy for this tidal power generation equipment for under the little condition of water level variation, the top of kickboard is in on the surface of water, when doing benefit to the water level variation, promotes this tidal power generation equipment and goes up and down fast, and then does benefit to quick electricity generation.
According to the tidal wave monitoring buoy capable of generating power, provided by the invention, through the arrangement of the first tidal power generation unit and the second tidal power generation unit, water flow enters from the top end of the shell 1, the first tidal power generation unit is pushed to generate power through the flow of the water flow, and meanwhile, along with the change of the water level, the air flow is continuously flushed and gushed out from the sleeve 5, so that the second tidal power generation unit is pushed to generate power through the flow of the air flow, the power generation is simultaneously carried out through two power generation modes, the power generation effect is improved, and the purpose of rapid power generation is realized.
By arranging the impeller 13, when the water level change is large, water flow enters the shell from the water inlet and is arranged at a part extending outwards from the top end of the shell, more water flow is collected, after the water flow enters the shell from the water inlet and is accelerated by the spiral of the spiral circulation groove, the impeller 13 is impacted, the impeller is further driven to rotate, then the water flow is guided out from the water outlet 8, the generator 14 is driven to generate electricity along with the rotation of the impeller 13, the generated electricity is stored by the storage battery 15, when the water level change is not large, the water flow rushes into the spiral circulation groove from the water outlet 8, along with the continuous reduction of the water level, the water flow rushing into the shell 1 from the water outlet 9 flows out again through the water outlet 9, the water flow rushing out can also drive the impeller to rotate, the next step of electricity generation is further convenient, and through the arrangement of the first tidal power generation unit, under the condition that the water level change is not large and the water level change is large, all can generate electricity, and then the purpose of improving the generating efficiency is realized.
By arranging the wind wheel 16 and the floating block 19, when the water level changes, along with the rising of the water level, water flow pushes the floating block 19 to move upwards, through the matching of the floating block 19 and the second connecting rod 18, the piston 17 is pushed to move upwards, so that the air flow in the first through hole is gushed out from the top end of the sleeve 5 after passing through the wind wheel 16 and the second through hole 12, the wind wheel 16 is driven to rotate through the air flow, the generator 14 is driven to generate electricity through the rotation of the wind wheel 16, the generated electricity is stored through the storage battery 15, along with the falling of the water level, and similarly, the piston 17 moves downwards, so that the air flow is gushed from the top end of the sleeve 5, and is shunted through the second through hole 12, the air flow velocity is improved, the air flow passes through the wind wheel 16, the wind wheel 16 is pushed to rotate, the thickness direction of the blades of the wind wheel 16 is of a conical structure, and the wind wheel can be ensured to rotate in the same direction no matter whether the wind wheel is subjected to forward wind or reverse wind, do benefit to and drive generator 14 and continue the electricity generation, drive the generator through second tidal power generation unit and first tidal power generation unit simultaneously and generate electricity, adopt two kinds of power generation modes and power generation structure to improve the generating effect, and through the use of wind wheel, realize the purpose of continuing the electricity generation.
By arranging the signal line and the signal lamp, the tidal power generation equipment can be conveniently recycled, and meanwhile, the tidal power generation equipment can be used as a buoy and can be used for navigation of a ship.
Through setting up the kickboard, the kickboard provides great buoyancy for this tidal power generation equipment for under the little condition of water level variation, the top of kickboard is in on the surface of water, when doing benefit to the water level variation, promotes this tidal power generation equipment and goes up and down fast, and then does benefit to quick electricity generation.
The present invention also provides a method of generating electricity from a tidal wave monitoring buoy, as shown in fig. 5, which is a flow chart of the method comprising the steps of:
s1: real-time monitoring and acquisition of the rotational speed v of the impeller 13 in the first tidal Power Unit A (t), the tip speed ratio λ (t) of the rotor blades of the impeller, and the rotational speed v of the wind wheel 16 in the second tidal Power Unit B (t), the tip rotating speed ratio gamma (t) of the wind wheel rotor blade, the real-time per-hour self-discharge rate mu (t) of the storage battery (15) and the real-time direct current-alternating current conversion efficiency delta of the storage battery DA (t) real-time charging efficiency of storage battery delta BC (t) and battery real-time discharge efficiency delta BD (t) and the electric energy E required for the operation of the electric load N (t)；
S2: the rotating speed v of the impeller 13 is monitored and acquired in real time according to the step S1 A (t) and the tip rotating speed ratio lambda (t) of the impeller rotor blade, and constructing a first tidal power generation unit real-time power coefficient calculation model M A (t) and obtaining the real-time power coefficient M of the first tidal power generation unit according to the calculation A (t) calculating a real-time power generation rated power of the first tidal power generation unit
S3: the rotating speed v of the wind wheel 16 obtained by real-time monitoring according to the step S1 B (t) and the tip speed ratio gamma (t) of the blades of the wind wheel rotor, and constructing a real-time power coefficient calculation model M of the second tidal power generation unit B (t) and obtaining the real-time power coefficient M of the second tidal power generation unit according to the calculation B (t) calculating a real-time power generation rated power of the second tidal power generation unit
S4: comparing the rotating speed v of the impeller 13 obtained by real-time monitoring A (t) and its rated speed
And the cut-in speed
To determine the electric energy E generated by the first tidal power Generation Unit in real time A (t); comparing the real-time monitored rotating speed v of the wind wheel 16 B (t) and the cut-in rotation speed thereof
Rated speed of rotation
And cut-out rotational speed
And further determining the electric energy E generated by the second tidal power generation unit in real time B (t); the total electric energy E generated by the summation calculation buoy in real time and stored in the storage battery 15 T (t)；
S5: the total electric energy E generated in real time and stored in the storage battery 15 calculated in the step S4 is judged T (t) whether the electric quantity threshold value E of the real-time required electric energy of the electric load after the direct-alternating current conversion is reached N (t)/δ DA (t), if the threshold value is reached, the remote control computer controls the storage battery 15 to be in a discharging state mode, otherwise, the remote control computer controls the storage battery 15 to be in a charging state mode.
The first tidal power generation unit real-time power coefficient calculation model M constructed in the step S2 A (t) the following:
wherein M is A (t) is the real-time power coefficient of the first tidal power generation unit, λ (t) is the real-time monitored tip rotation speed ratio of the impeller rotor blade, as shown in fig. 6, θ is the included angle between the line connecting the outer end a of the blade of the impeller (13) in the first tidal power generation unit and the first through hole central axis point O and the line connecting the inner end B of the blade and the central first through hole central axis point O;
step S2 real-time power generation rated power of the first tidal Power Generation Unit
The calculation formula of (a) is as follows:
where ρ is w Is the water density, S, of the water environment in which the buoy is located A The cross-sectional area of a single blade 13-1 in the impeller 13 in the first tidal Power Unit as shown in FIG. 3, n is the number of blades in the impeller 13, typically S A Is 3-5m 3 N is 5-12, and when the tide wave monitoring buoy capable of generating power provided by the invention is placed in a seawater environment for working, the number of the tide wave monitoring buoy is 1.02-1.07 multiplied by 10 3 kg/m 3 。
Step S3, calculating model M of real-time power coefficient of second tidal power generation unit B (t) the following:
wherein M is B (t) is the real-time power coefficient of the second tidal power Unit,
the angle between the blades 16-1 of the wind rotor 16 of the second tidal power Unit and the horizontal as shown in FIG. 7;
real-time power generation rated power of the second tidal Power Generation Unit in step S3
The calculation formula of (c) is as follows:
where ρ is a Is the density of air, S B The second tidal power generation unit wind wheel 16 shown in fig. 8 has a circular cross-sectional area with the first through hole axial center point O as the center and the length d of the wind wheel blade 16-1 as the radius.
The rotation speed v of the impeller 13 obtained by real-time monitoring is compared in the step S4 A (t) and its rated speed
And the cutting rotational speed
To determine the electric energy E generated by the first tidal power Generation Unit in real time A (t) is as follows:
wherein the content of the first and second substances,
the nominal rotational speed of the impeller of the first tidal power Unit, in general,
is 2-3 m/s;
the cut-in rotation speed of the impeller of the first tidal power generation unit, that is, the lowest water flow speed at which the impeller of the first tidal power generation unit can generate power under the driving of water flow surging, generally,
is 0.5-1.5 m/s.
S4, comparing the rotating speed v of the wind wheel 16 obtained by real-time monitoring in step B (t) and the cut-in rotation speed thereof
Rated speed of rotation
And cut-out rotational speed
And further determining the electric energy E generated by the second tidal power generation unit in real time B (t) is as follows:
wherein, the first and the second end of the pipe are connected with each other,
the wind wheel of the second tidal power generation unit is cut into a rotating speed, namely the highest water flow speed of the wind wheel in the second tidal power generation unit, which can generate electricity under the driving of the air flow with fluctuating water level, if the highest water flow speed reaches
No grid-connected power generation is required, accidents such as collapse and scattering of the shell, runaway of the wind wheel and the like are easily caused, and under the general condition,
is 15-20 m/s;
the nominal rotational speed of the wind rotor of the second tidal power Unit, in general,
is 9-12 m/s;
the wind wheel cut-in speed of the second tidal power Unit, i.e. the lowest current speed at which the wind wheel in the second tidal power Unit can generate electricity under the drive of the fluctuating airflow of the water level, is, in general,
is 3-4 m/s.
The total electric energy E generated by the summation calculation buoy in real time and stored in the storage battery 15 T (t), i.e. the total electric energy E generated in real time and stored in the accumulator 15 T (t) is equal to the real-time electricity generated by the first tidal Power UnitEnergy E A (t) electric energy E generated in real time by the second tidal Power Unit B (t) is calculated by addition, E T (t)＝E A (t)+E B (t)。
The electric quantity threshold value of the electric energy required by the electric load after the direct-alternating current conversion in the step S5 is E N (t)/δ DA (t) wherein E N (t) is the sum of the AC power required by the electrical load, delta DA (t) the real-time direct current-alternating current conversion efficiency of the storage battery obtained by the real-time monitoring of the step S1 is obtained;
when E is T (t)≥E N (t)/δ DA (t) the total electric energy E generated in real time and stored in the accumulator 15 T (t) reaching the electric quantity threshold E of the electric energy required by the electric load after the direct-alternating current conversion N (t)/δ DA (t), at this time, the remote control computer controls the storage battery 15 to be in a discharging mode (i.e. the electric energy generated by the first tidal power generation unit and the second tidal power generation unit and stored in the storage battery supplies power to the electric load), and the real-time state of charge value soc (t) of the remote control computer controls the storage battery to satisfy:
when E is present T (t)≤E N (t)/δ DA (t) the total electric energy E generated in real time and stored in the accumulator 15 T (t) not reaching the electric quantity threshold E of the electric energy required by the electric load after the direct-alternating current conversion N (t)/δ DA At this time, the remote control computer controls the storage battery 15 to be in a charging mode (i.e. a mode in which the electric energy generated by the first tidal power Generation Unit and the second tidal power Generation Unit is stored in the storage battery), and the real-time SOC value SOC (t) of the remote control computer controls the storage battery to satisfy:
wherein the SOC (t-1) is the real-time state of charge value of the storage battery at the t-1 moment.
The invention provides a power generation deviceThe power generation method of the tidal wave monitoring buoy comprises the steps that firstly, the first tidal power generation unit and the second tidal power generation unit store generated electric energy in the storage battery, and the remote control central computer transmits the hourly discharge rate mu (t) of the storage battery and the direct current-alternating current conversion efficiency delta (t) of the storage battery through the wireless data transmission module arranged in the buoy DA (t) battery charging efficiency delta BC (t) and Battery discharge efficiency δ BD (t) and the rotating speed v of the impeller (13) in the first tidal power generation unit, which is obtained by monitoring and acquiring the rotating speed v of the impeller in real time by the impeller parameter acquisition module A (t) the blade tip rotating speed ratio lambda (t) of the rotor blades of the impeller, and the rotating speed v of the wind wheel (16) in the second tidal power generation unit, which is monitored and acquired by the wind wheel parameter acquisition module B (t) and the tip rotating speed ratio gamma (t) of the blades of the wind wheel rotor are respectively calculated to obtain the electric energy generated by the first tidal power generation unit and the second tidal power generation unit and stored in the storage battery, and the total electric energy E generated in real time and stored in the storage battery (15) is judged T (t) whether or not the electric quantity is greater than or equal to the electric quantity threshold value E of the electric energy required by the electric load after the direct-alternating current conversion N (t)/δ DA (t) further when E T (t)≥E N (t)/δ DA When the tide wave monitoring buoy is used, the remote control central computer controls the storage battery to be in a mode of outputting the stored electric energy (discharging state) to the power load, and the electric energy of the storage battery in the tide wave monitoring buoy provided by the invention is effectively managed;
or does not reach the electric quantity threshold value E of the electric energy required by the electric load N (t)/δ DA At (t) (i.e. E) T (t)≤E N (t)/δ DA (t)) the remote control central computer controls the accumulator to be in a mode of storing the electric energy (state of charge) generated by the first tidal power generation unit and the second tidal power generation unit.
It should be noted that the above-mentioned numbers of the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments. And the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, apparatus, article, or method that includes the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical encoding device, such as punch cards or in-groove raised structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
Computer program instructions for carrying out operations of the present disclosure may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, aspects of the disclosure are implemented by personalizing an electronic circuit, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA), with state information of computer-readable program instructions, which can execute the computer-readable program instructions.
Various aspects of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The tidal wave monitoring buoy capable of generating power comprises a shell, wherein a first through hole is formed in the shell, a first rotary disc (10) is installed in the first through hole, and a first connecting rod (4) is installed on the first rotary disc (10); the tidal power generation device is characterized in that a first tidal power generation unit and a second tidal power generation unit are respectively arranged in the shell, the first tidal power generation unit is used for generating power by utilizing the flow of water flow, and the second tidal power generation unit is used for generating power by utilizing the rise and fall of the water level;
the first tidal power Unit comprises a spiral flow channel and an impeller (13) in communication therewith; the second tidal power generation unit comprises a wind wheel (16), a piston (17) and a floating block (19), wherein a temperature sensor, a salinity sensor and a tidal sensor are arranged in the floating block (19); the buoy is also internally provided with a generator (14), a storage battery (15), a storage battery parameter acquisition module, an impeller parameter acquisition module and a wind wheel parameter acquisition module, the impeller (13) and the wind wheel (16) are fixedly connected with a rotating shaft of the generator (14), and the generator (14) is electrically connected with the storage battery (15); the electric energy generated by the first tidal power generation unit and the second tidal power generation unit is stored in the storage battery (15), the storage battery (15) supplies power for electric loads, and the electric loads comprise the signal lamp, the wireless signal transmitting module, the storage battery parameter acquisition module, the impeller parameter acquisition module, the wind wheel parameter acquisition module, the temperature sensor, the salinity sensor and the tidal sensor;
the remote control system is characterized in that the top end of the first connecting rod (4) is provided with a signal lamp and a wireless data transmission module, the wireless data transmission module is in wireless communication connection with the remote control central computer, and wave and tide cycle time data, wave waveform data, water level height data, water flow speed data, temperature data and salinity data of a water environment and real-time parameters of a storage battery which are monitored in real time are wirelessly transmitted to the remote control central computer.
2. The tidal wave monitoring buoy of claim 1, wherein the helical circulation slots are provided between a plurality of water inlets (8) and a plurality of water outlets (9) on the housing; the impeller (13) is arranged in the shell and corresponds to the bottom end of the first rotating disc (10), a second rotating disc (11) is fixedly connected to the bottom end of the impeller (13) in the shell, a plurality of second through holes (12) are formed in the second rotating disc (11) and the first rotating disc (10), and the impeller (13) is rotatably connected to the position between the first rotating disc (10) and the second rotating disc (11); wind wheel (16) set up in the inside of first through-hole, piston (17) set up in the inside of first through-hole corresponds the below of wind wheel (16) just the bottom fixedly connected with second connecting rod (18) of piston (17), floating block (19) fixed connection be in the other end of second connecting rod (18).
3. A method of generating electricity from a tidal wave monitoring buoy, comprising the steps of:
s1: the method comprises the steps of monitoring and collecting the rotating speed of an impeller (13) in a first tidal power generation unit, the rotating speed ratio of the blade tips of rotor blades of the impeller, the rotating speed of a wind wheel (16) in a second tidal power generation unit, the rotating speed ratio of the blade tips of rotor blades of the wind wheel, the real-time hourly self-discharge rate of a storage battery (15), the real-time direct current-alternating current conversion efficiency of the storage battery, the real-time charging efficiency of the storage battery, the real-time discharging efficiency of the storage battery and electric energy required by the work of an electric load in real time;
s2: according to the rotating speed of the impeller (13) and the tip rotating speed ratio of the rotor blades of the impeller, which are obtained by real-time monitoring and acquisition in the step S1, a real-time power coefficient calculation model of the first tidal power generation unit is constructed, and the real-time power generation rated power of the first tidal power generation unit is calculated;
s3: according to the rotating speed of the wind wheel (16) and the blade tip rotating speed ratio of the wind wheel rotor blades obtained through real-time monitoring in the step S1, a real-time power coefficient calculation model of the second tidal power generation unit is constructed, and the real-time power generation rated power of the second tidal power generation unit is calculated;
s4: comparing the rotating speed of the impeller (13) obtained by real-time monitoring with the rated rotating speed and the cut-in rotating speed of the impeller to determine the electric energy generated by the first tidal power generation unit in real time; comparing the rotating speed of the wind wheel (16) obtained by real-time monitoring with the cut-in rotating speed, the rated rotating speed and the cut-out rotating speed of the wind wheel, and further determining the electric energy generated by the second tidal power generation unit in real time; adding and calculating the total electric energy generated in real time and stored in a storage battery (15);
s5: and judging whether the total electric energy which is obtained by calculation in the step S4 and is generated in real time and stored in the storage battery (15) reaches an electric quantity threshold value of the electric energy required by the electric load in real time after direct-alternating conversion, if so, controlling the storage battery (15) to be in a discharging state mode by the remote control computer, otherwise, controlling the storage battery (15) to be in a charging state mode by the remote control computer.
4. The method of generating power from a tidal wave monitoring buoy of claim 3, wherein the first tidal power unit real time power coefficient calculation model constructed in step S2 is as follows:
wherein M is A And (t) is the real-time power coefficient of the first tidal power generation unit, lambda (t) is the real-time monitored blade tip rotation speed ratio of the impeller rotor blade, and theta is the included angle between the connecting line of the outer end part of the impeller (13) in the first tidal power generation unit and the central axial point of the first through hole and the connecting line of the inner end part of the impeller and the central axial point of the central first through hole.
5. The method of generating electricity from a tidal wave monitoring buoy as claimed in claim 3, wherein the real time power rating of the first tidal power generation unit in step S2 is calculated as follows:
wherein the content of the first and second substances,
rated power, rho, for real-time power generation of the first tidal Power Unit w Is a water ring of the buoyWater density in the environment, S A Is the cross-sectional area of a single blade in the impeller (13) in the first tidal Power Unit, n is the number of blades in the impeller (13), v A (t) monitoring and collecting the obtained rotation speed of the impeller (13) in the first tidal power generation unit in real time in the step of S1.
6. The method of generating electricity from a tidal wave monitoring buoy of claim 3, wherein the second tidal power generation unit real time power coefficient calculation model in step S3 is as follows:
wherein M is B (t) is the real-time power coefficient of the second tidal power generation unit, gamma (t) is the real-time monitored tip speed ratio of the rotor blades of the wind wheel,
the angle between the blade surface inclination of the wind wheel (16) in the second tidal power Unit and the horizontal plane is defined.
7. The method of generating electricity from a tidal wave monitoring buoy of claim 3, wherein the real-time power rating of the second tidal power generation unit in step S3 is calculated as follows:
wherein the content of the first and second substances,
rated power, rho, for real-time power generation of the second tidal Power Unit a Is the density of air, S B A circular cross-sectional area of the second tidal power generation unit wind wheel (16) taking the axial center of the first through hole as the center of a circle and the length of the wind wheel blade as the diameter，v B (t) monitoring and collecting the obtained rotating speed of the wind wheel (16) in the second tidal power generation unit in real time in the step S1.
8. The method of generating electricity from a tidal wave monitoring buoy of claim 5, wherein the step of S4 compares the rotation speed of the impeller (13) monitored in real time with the nominal and cut-in rotation speeds thereof to determine the real-time generation of electricity by the first tidal power unit as follows:
wherein E is A (t) is the power generated by the first tidal power Unit in real time,
a nominal rotational speed for the impeller of the first tidal power Unit;
the cut-in speed for the impeller of the first tidal power Unit.
9. The method of generating electricity from a tidal wave monitoring buoy of claim 7, wherein the step of S4 compares the rotational speed of the wind rotor (16) monitored in real time with its cut-in, nominal and cut-out rotational speeds
And further determining the real-time generated power of the second tidal power generation unit as follows:
wherein E is B (t) is the power generated by the second tidal power Unit in real time,
cutting a rotational speed for a wind wheel of a second tidal power Unit;
is the rated rotational speed of the wind rotor of the second tidal power Unit,
the wind wheel cut-in speed for the second tidal power Unit.
10. The method of generating electricity from a tidal wave monitoring buoy of claim 3, wherein the threshold amount of electrical energy required by the DC-AC converted electrical loads in step S5 is E N (t)/δ DA (t) wherein E N (t) is the sum of the AC electric energy needed by the electric load, delta DA (t) the real-time dc-ac conversion efficiency of the storage battery obtained by the real-time monitoring of the step S1;
when E is T (t)≥E N (t)/δ DA (t) the total electric energy E generated in real time and stored in the accumulator (15) T (t) reaching the electric quantity threshold E of the electric energy required by the electric load after the direct-alternating conversion N (t)/δ DA (t), at which time the remote control computer controls the battery (15) to be in a discharge mode, the remote control computer controlling the real-time state of charge value soc (t) of the battery to satisfy:
when E is T (t)≤E N (t)/δ DA (t), the remote control computer controls the storage battery to be in a charging mode, and the real-time state of charge value SOC (t) of the storage battery controlled by the remote control computer meets the following conditions:
wherein SOC (t-1) is the real-time state of charge value of the storage battery at the t-1 moment, and mu (t) is the real-time per-hour self-discharge rate and delta of the storage battery obtained by the real-time monitoring of the step S1 BC (t) the real-time charging efficiency, delta, of the storage battery obtained by the real-time monitoring in the step S1 BD And (t) the real-time discharging efficiency of the storage battery obtained by the real-time monitoring of the step S1.
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