CN114412687B - Umbrella-shaped folding vertical axis water turbine pre-site selection experimental device - Google Patents
Umbrella-shaped folding vertical axis water turbine pre-site selection experimental device Download PDFInfo
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- CN114412687B CN114412687B CN202210087942.2A CN202210087942A CN114412687B CN 114412687 B CN114412687 B CN 114412687B CN 202210087942 A CN202210087942 A CN 202210087942A CN 114412687 B CN114412687 B CN 114412687B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000003860 storage Methods 0.000 claims abstract description 89
- 238000010248 power generation Methods 0.000 claims abstract description 42
- 238000007667 floating Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 42
- 238000007789 sealing Methods 0.000 claims description 27
- 239000003381 stabilizer Substances 0.000 claims description 24
- 238000002474 experimental method Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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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
- F03B11/008—Measuring or testing arrangements
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The application relates to the technical field of ocean engineering, in particular to an umbrella-shaped vertical axis tidal current energy water turbine pre-site selection experimental device which solves the pre-site selection problem of a vertical axis tidal current energy water turbine, simultaneously avoids the problems that a horizontal axis tidal current energy water turbine is limited by the direction of a tidal current and is high in flow speed, and the structure is easy to damage, and the problem that a storage battery needs to be frequently replaced for marine equipment. The application can be not limited by the water flow direction, the section of the blade is an airfoil, the blade structure has better fluid performance, the floating power generation box and the anchor chain can enable the power generation device to be wholly suspended in water, the device is positioned in a stable flow rate layer by adjusting the anchor chain, the disturbance of turbulent flow can be avoided, the stability of the whole device is improved, the service life is prolonged, the maintenance cost is reduced, the folding function of the application is convenient for installation and throwing, and the power generation efficiency of the power generation device can be improved by adjusting the unfolding diameter according to different flow speed.
Description
Technical Field
The application relates to the technical field of generators, in particular to an umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device.
Background
The ocean renewable energy source is sustainable clean energy source, has rich resources and small influence on environment, and has important significance for solving the environmental problem caused by fossil energy sources and relieving the shortage of offshore energy sources. The ocean tide energy has the advantages that the energy density is high compared with wind energy, the predictability is high, the load caused by wind, wave and current is stable, the coastal reserve is rich, the ocean tide energy is easier to predict and more stable than the wave energy in the aspect of providing power, and compared with the tidal energy, the ocean tide energy does not need to intercept the upstream, the natural environment is changed in a large range, and the influence on the environment is small, so the ocean tide energy is the key point of developing and utilizing the renewable ocean energy sources at home and abroad.
In the prior art, a vertical shaft type tidal current energy water turbine is used for collecting tidal current energy and generating electricity. The vertical shaft type tidal current energy hydraulic turbine is adopted for power generation, a sea area with rich tidal current energy is generally selected, a plurality of tidal current energy hydraulic turbines are placed at a plurality of positions in the sea area, and a tidal current energy hydraulic turbine field is formed, so that tidal current energy is collected at a plurality of positions.
However, since the tidal current flow speed sea conditions of each vertical axis tidal current energy water turbine installation station of the tidal current energy water turbine field are different, the tidal current energy water turbines with different sizes are required to be placed according to the specific conditions of each installation position, the model sizes of the tidal current energy water turbines installed on each station are ensured to be suitable for the flow speed sea conditions of the station, and therefore the tidal current energy water turbines at the stations can maximally utilize the tidal current energy at the positions, and the generation power is maximized. It is therefore necessary to determine the flow rate sea conditions at each station during the site selection phase. However, in the prior art, only a flow rate meter is generally adopted to measure the tidal current flow rate at the station, so that the model size of the water turbine is determined according to the tidal current flow rate, but a physical experiment cannot be carried out at the position before the water turbine is formally installed, so that the specific power generation performance index of the tidal current energy water turbine of the model at the position is obtained and adjusted.
In order to obtain performance data of vertical-axis tidal current energy water turbines of different types at each station at low cost during site selection, the application provides an umbrella-shaped vertical-axis tidal current energy water turbine pre-site experimental device.
Disclosure of Invention
The technical scheme adopted by the application for solving the technical problems is as follows:
an umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device comprises: the device comprises a floating power generation box assembly, a rotating opening and closing mechanism, a blade device and an anchor chain, wherein the rotating opening and closing mechanism is fixedly connected with the input end of the floating power generation box, the blade device is arranged on the outer side of the rotating opening and closing mechanism and connected with the rotating opening and closing mechanism, the anchor chain is arranged at the lower end of the floating power generation box, one end of the anchor chain is connected with the floating power generation box, and the other end of the anchor chain is connected with the seabed.
Preferably, the floating power generation tank assembly comprises: the device comprises a shell, a permanent magnet generator, a storage battery A, a storage battery B, a rotating shaft and a hollow hydraulic cylinder component, wherein the shell is connected with an anchor chain, the permanent magnet generator, the storage battery A and the storage battery B are installed inside the shell, the permanent magnet generator, the storage battery A and the storage battery B are electrically connected with each other, a recording module is arranged on the storage battery A and the storage battery B, the input end of the permanent magnet generator is connected with the rotating shaft, a rotating opening and closing mechanism is sleeved on the rotating shaft, the hollow hydraulic cylinder component is arranged at the lower end of the permanent magnet generator, the hollow hydraulic cylinder component arranged in the shell is sleeved on the rotating shaft, and the output end of the hollow hydraulic cylinder component is connected with the rotating opening and closing mechanism.
Preferably, the hollow hydraulic cylinder assembly includes: the hollow hydraulic cylinder and the sleeve are sleeved on the outer ring of the rotating shaft, the hollow hydraulic cylinder is installed in the shell, the protruding shell of the output end of the hollow hydraulic cylinder is connected with one end of the sleeve, the other end of the sleeve is connected with the rotating opening and closing mechanism through a bearing, and the rotating opening and closing mechanism comprises: the device comprises a connecting rod A, a connecting rod B, a connecting rod C, a hinged connecting sleeve, a hinged support A and a hinged support B, wherein the hinged connecting sleeve is connected with the other end of the sleeve through a bearing, the hinged support A is arranged on the lower side of the hinged connecting sleeve and sleeved on a rotating shaft, the hinged support B is arranged on the lower side of the hinged support A and sleeved on the rotating shaft, the hinged support B is hinged with one ends of a plurality of groups of connecting rods B, the other ends of the connecting rods B are hinged with the upper parts of blade devices, the hinged support A is hinged with one ends of a plurality of groups of connecting rods A, the other ends of the connecting rods A are hinged with the lower parts of the blade devices, the middle part of the connecting rods A are hinged with one ends of the connecting rods C, and the other ends of the connecting rods C are hinged with the hinged connecting sleeves.
Preferably, the shell is provided with a hanging lug and a sealing ring, the hanging lug is fixedly connected with the anchor chain, the outer ring of the sealing ring is connected with the shell, and the inner ring of the sealing ring is connected with the outer ring of the output end of the hollow hydraulic cylinder.
Preferably, a waterproof full-sealed bearing is arranged between the inner wall of the hollow hydraulic cylinder and the outer wall of the rotating shaft, a sealing sleeve A is arranged between the outer ring of the waterproof full-sealed bearing and the inner wall of the hollow hydraulic cylinder, and a sealing sleeve B is arranged between the outer ring of the rotating shaft and the inner ring of the waterproof full-sealed bearing.
Preferably, the permanent magnet generator is provided with a wire harness A and a wire harness B, the permanent magnet generator is electrically connected with the storage battery A through the wire harness A, and the permanent magnet generator is electrically connected with the storage battery B through the wire harness B.
Preferably, a voltage stabilizer A is arranged at the upper end of the storage battery A, one end of the voltage stabilizer A is electrically connected with the storage battery A, the other end of the voltage stabilizer A is electrically connected with the wire harness A, a voltage stabilizer B is arranged at the upper end of the storage battery B, one end of the voltage stabilizer B is electrically connected with the storage battery B, and the other end of the voltage stabilizer B is electrically connected with the wire harness B.
Preferably, the blade device comprises a plurality of groups of blades, the blades are airfoil-shaped vertical shaft blades, the upper parts of the blades are hinged with the connecting rod A, and the lower parts of the blades are hinged with the connecting rod B.
Preferably, the device is used for installing and selecting sites of vertical-axis tidal current energy water turbines, and is fixed in the sea area of the pre-installed tidal current energy water turbines through an anchor chain structure to observe the power generation performance of the pre-installed tidal current energy water turbines. And the anchor chain can be retracted and moved to other sea areas for putting in again, and experiments are carried out on the feasibility of installing the water turbine in different sea areas.
Preferably, when the device is used for pre-selecting the site of the tidal current energy waterwheel field, the whole device is moved to a station of the pre-selected site, and the whole device is put into water and fixed by an anchor chain; when the optimal height of the vertical axis water turbine is required to be measured experimentally, the length of the anchor chain is adjusted so as to change the height of the device, the device is enabled to work continuously for 24 hours at different heights respectively, the total electric energy charged into the storage battery A and the storage battery B in 24 hours when the device works at each height is counted by the recording module, and the total electric energy charged into the storage battery A and the storage battery B in 24 hours is compared, so that the optimal installation height at the station is determined as the height when the total electric energy charged into the storage battery A and the storage battery B in 24 hours is the maximum; when the optimal rotating radius of the vertical axis water turbine is to be determined, the rotating radius is the distance between the blades and the rotating shaft, the device is arranged at the optimal mounting height, the opening and closing mechanism is rotated so as to adjust the rotating radius of the device, the device respectively and continuously works for 24 hours under different rotating radii, the total electric energy charged into the storage battery A and the storage battery B in 24 hours when the device works under each rotating radius is counted by the recording module, and the total electric energy charged into the storage battery A and the storage battery B in 24 hours is compared, so that the rotating radius when the total electric energy charged into the storage battery A and the storage battery B in the most is determined to be the optimal rotating radius at the station; when the optimal permanent magnet generator installed on the vertical axis water turbine is to be determined, the device is arranged at the optimal installation height, the opening and closing mechanism is rotated so as to adjust the rotation radius of the device to be the optimal rotation radius, the device respectively and continuously works for 24 hours under the permanent magnet generators of different types, the total electric energy of the device, which is charged into the storage battery A and the storage battery B in 24 hours when the device works under the permanent magnet generators of various types, is counted by the recording module, and the total electric energy is compared, so that the type of the permanent magnet generator, which is charged into the storage battery A and the storage battery B in 24 hours and has the maximum total electric energy, is determined to be the optimal permanent magnet generator at the station.
The application has the advantages that: 1. the application provides an umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device, wherein an umbrella-shaped folding vertical axis water turbine power generation device can be free from the limitation of the water flow direction, the section of a blade is an airfoil, the blade structure has good fluid performance, and a floating power generation box assembly and an anchor chain can enable the power generation device to be integrally suspended in water; 2. the device is used for installing and selecting sites of vertical axis tidal current energy water turbines, is fixed in the sea area of the pre-installed tidal current energy water turbines through anchor chain structures, and observes the power generation performance of the pre-installed tidal current energy water turbines. And the anchor chain can be retracted and moved to other sea areas for putting in again, and experiments are carried out on the feasibility of installing the water turbine at different installation stations in the sea area. 3. The umbrella-shaped structure is used for adjusting the expansion diameter of the water turbine, observing the torque and the power generation performance when the water turbine expands in different diameters, and providing reference for the installation of the large tidal current energy water turbine; 4. the height of the device can be adjusted by adjusting the anchor chain, so that the power generation performance of the tidal current energy water turbine can be measured and tested at different height positions of the same station; 5. because the magnetic induction intensities of the magnets in the permanent magnet generators of different types are different, the application can obtain the permanent magnet generator with the largest power generation at the station by replacing the permanent magnet generator.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic cross-sectional view of the floating power generation tank assembly of the present application;
FIG. 3 is a schematic view of a rotary opening and closing mechanism according to the present application;
fig. 4 is a top view of the watertight seal bearing of the present application.
Wherein:
1. a floating power generation box assembly; 2. a rotary opening and closing mechanism; 3. a blade arrangement; 4. an anchor chain; 11. a housing; 12. a permanent magnet generator; 13. a storage battery A; 14. a storage battery B; 15. a rotating shaft; 5. a hollow hydraulic ram assembly; 51. a hollow hydraulic cylinder; 52. a sleeve; 6. a bearing; 21. a connecting rod A; 22. a connecting rod B; 23. a connecting rod C; 24. the connecting sleeve is hinged; 25. a hinged support A; 26. a hinged support B; 111. hanging lugs; 112. a seal ring; 151. waterproof full-sealed bearing; 152. sealing sleeve A; 153. sealing sleeve B; 121. a wire harness A; 122. a wire harness B; 131. a voltage stabilizer A; 141. a voltage stabilizer B; 31. and (3) a blade.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that unless explicitly stated and limited otherwise, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, but rather the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Embodiment one, described with reference to fig. 1, 2 and 3:
an umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device comprises: the device comprises a floating power generation box assembly 1, a rotating opening and closing mechanism 2, a blade device 3 and an anchor chain 4, wherein the rotating opening and closing mechanism 2 is fixedly connected with the input end of the floating power generation box assembly 1, the blade device 3 is arranged on the outer side of the rotating opening and closing mechanism 2 and is connected with the rotating opening and closing mechanism 2, the anchor chain 4 is arranged at the lower end of the floating power generation box assembly 1, one end of the anchor chain 4 is connected with the floating power generation box assembly 1, and the other end of the anchor chain 4 is connected with the seabed. So set up, floating power generation box subassembly 1 and anchor chain 4 can make this power generation facility wholly suspend in water to make the device be in stable flow rate in situ through adjusting anchor chain 4, can avoid the interference of random flow, improve the stability of whole device, blade device 3 can drive rotation opening and closing mechanism 2 rotation under the effect of tidal current energy, the mechanical energy that the floating power generation box subassembly 1 produced when can rotate rotation opening and closing mechanism 2 turns into the electric energy and rotates opening and closing mechanism 2 and can open blade device 3 or pack up blade device 3, make overall structure destroy when avoiding the velocity of flow higher, improve life, reduce cost of maintenance.
A second embodiment is described with reference to fig. 1, 2 and 3 based on the first embodiment:
the floating power generation tank assembly 1 includes: the device comprises a shell 11, a permanent magnet generator 12, a storage battery A13, a storage battery B14, a rotating shaft 15 and a hollow hydraulic cylinder assembly 5, wherein the shell 11 is connected with an anchor chain 4, the permanent magnet generator 12, the storage battery A13 and the storage battery B14 are installed inside the shell 11, a recording module is arranged on the storage batteries A13 and B14 and used for recording total charging energy of the storage batteries in a certain time, the permanent magnet generator 12, the storage battery A13 and the storage battery B14 are electrically connected with each other, the input end of the permanent magnet generator 12 is connected with the rotating shaft 15, a rotating opening and closing mechanism 2 is sleeved on the rotating shaft 15, the hollow hydraulic cylinder assembly 5 is arranged at the lower end of the 12, the hollow hydraulic cylinder assembly 5 installed in the shell 11 is sleeved on the rotating shaft 15, and the output end of the hollow hydraulic cylinder assembly 5 is connected with the rotating opening and closing mechanism 2. So set up, through adjusting the length of anchor chain 4, can make this power generation facility wholly suspend in water to make the device be in stable flow rate in situ through adjusting anchor chain 4, hollow hydraulic cylinder subassembly 5 can promote to rotate opening and closing mechanism 2 and control and rotate opening and closing mechanism 2 and open and close, in the power generation process, hollow hydraulic cylinder subassembly 5 does not participate in the rotation of axis of rotation 15, permanent magnet generator 12 stores the electric energy that produces in battery A13 and battery B14.
Embodiment III, on the basis of embodiment II, is described with reference to FIGS. 1, 2 and 3:
the hollow hydraulic cylinder assembly 5 includes: the hollow hydraulic cylinder 51 and the sleeve 52 are sleeved on the outer ring of the rotating shaft 15, the hollow hydraulic cylinder 51 is installed in the shell 11, the output end of the hollow hydraulic cylinder 51 protrudes out of the shell 11 to be connected with one end of the sleeve 52, the other end of the sleeve 52 is connected with the rotating opening and closing mechanism 2 through the bearing 6, the hollow hydraulic cylinder 51 is arranged in such a way, the hollow hydraulic cylinder 51 can drive the sleeve 52 to conduct telescopic motion along the rotating shaft 15 so as to drive the rotating opening and closing mechanism 2 to conduct closing and opening of the blade device 3, when the tide rising or the tide falling is finished, the hollow hydraulic cylinder 51 works to push the sleeve 52 out, the blade device 3 is tightened and closed, when the water flow speed changes, the hollow hydraulic cylinder 51 works, the sleeve 52 is controlled to retract or push out to change the unfolding diameter of the blade device 3, and therefore the power generation efficiency is improved, and the device is prevented from being damaged.
Embodiment four, on the basis of embodiment three, is described with reference to fig. 1, 2 and 3:
the rotary opening and closing mechanism 2 includes: the blade device comprises a connecting rod A21, a connecting rod B22, a connecting rod C23, a hinge connecting sleeve 24, a hinge support A25 and a hinge support B26, wherein the hinge connecting sleeve 24 is connected with the other end of a sleeve 52 through a bearing 6, the hinge support A25 is arranged on the lower side of the hinge connecting sleeve 24 and sleeved on a rotating shaft 15, the hinge support B26 is arranged on the lower side of the hinge support A25 and sleeved on the rotating shaft 15, the hinge support B26 is hinged with one end of a plurality of groups of connecting rods B22, the other end of the connecting rod B22 is hinged with the upper part of the blade device 3, the hinge support A25 is hinged with one end of a plurality of groups of connecting rods A21, the other end of the connecting rod A21 is hinged with the lower part of the blade device 3, the middle part of the connecting rod A21 is hinged with one end of the connecting rod C23, the other end of the connecting rod C23 is hinged with the hinge connecting sleeve 24, and the blade device 3 is arranged in such a way, when the blade device 3 rotates, the hinge connecting sleeve A25 and the hinge connecting sleeve B26 are driven to rotate, so that the rotating shaft 15 is driven to rotate, the permanent magnet generator 12 generates electricity through the rotating shaft 15, and when the rotating, the hinge connecting sleeve 24 can rotate on the sleeve 52 through the bearing 52 to rotate on the sleeve 52, the sleeve 52 can not drive the rotating, and the sleeve 52 to rotate, when the hinge connecting sleeve 24 moves axially along the rotating shaft 15, the rotating along the rotating shaft, the connecting rod 21, and the connecting rod A21 and the connecting rod 23 can be prevented from rotating, and the whole device can be more than and has high cost and can be reduced.
Embodiment five, on the basis of embodiment four, is described with reference to fig. 2 and 4:
the shell 11 is provided with the hanging lugs 111 and the sealing rings 112, the hanging lugs 111 are fixedly connected with the anchor chain 4, the outer ring of the sealing rings 112 is connected with the shell 11, the inner ring of the sealing rings 112 is connected with the outer ring of the output end of the hollow hydraulic cylinder 51, a waterproof full-sealing bearing 151 is arranged between the inner wall of the hollow hydraulic cylinder 51 and the outer wall of the rotating shaft 15, a sealing sleeve A152 is arranged between the outer ring of the waterproof full-sealing bearing 151 and the inner wall of the hollow hydraulic cylinder 51, a sealing sleeve B153 is arranged between the outer ring of the rotating shaft 15 and the inner ring of the waterproof full-sealing bearing 151, and thus, the sealing rings 132, the sealing sleeves A152 and the sealing sleeves B153 can effectively prevent water from entering the shell 11 through gaps to cause short circuit damage to electric appliances, and the waterproof full-sealing bearing 151 can effectively ensure free rotation of the hollow part of the hollow hydraulic cylinder 51.
Embodiment six, based on embodiment five, is described with reference to fig. 2:
the permanent magnet generator 12 is provided with a wiring harness A121 and a wiring harness B122, the permanent magnet generator 12 is electrically connected with a storage battery A13 through the wiring harness A121, the permanent magnet generator 12 is electrically connected with a storage battery B14 through the wiring harness B122, the upper end of the storage battery A13 is provided with a voltage stabilizer A131, one end of the voltage stabilizer A131 is electrically connected with the storage battery A13, the other end of the voltage stabilizer A131 is electrically connected with the wiring harness A121, the upper end of the storage battery B14 is provided with a voltage stabilizer B141, one end of the voltage stabilizer B141 is electrically connected with the storage battery B14, the other end of the voltage stabilizer B141 is electrically connected with the wiring harness B122, the rotating opening and closing mechanism 2 is arranged in such a way to rotate, the permanent magnet generator 12 is driven to work, unstable current sent by the permanent magnet generator 12 reaches stability after reaching the voltage stabilizer A131 and the voltage stabilizer B141, then power is supplied to the storage battery A13 and the storage battery B14, and the storage battery A13 stores electric energy to supply power to other marine equipment.
Embodiment seven, based on embodiment six, is described with reference to fig. 3:
the blade device 3 comprises a plurality of groups of blades 31, the blades 31 are airfoil-shaped vertical shaft blades, the upper parts of the blades 31 are hinged with the connecting rod A21, and the lower parts of the blades 31 are hinged with the connecting rod B22.
Embodiment eight, on the basis of embodiment seven, is described with reference to fig. 1 and 2:
the blade 31 and the connecting rod B22 are arranged at an angle of 80 degrees, and the power generation efficiency is best when the blade 31 and the connecting rod B22 are arranged at an angle of 80 degrees.
The working mode is as follows: the application relates to an umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device, when the device is used for temporary power generation, the whole device is put into water, after a water flow stabilizing layer is found, the whole device is fixed by an anchor chain 4, so that the whole device is ensured to be in a stable working environment, and a charging wire can be led out from the device for supplying power to surrounding marine equipment. The floating power generation box assembly 1 provides main buoyancy to prevent the equipment from sinking into the water, the rotating opening and closing mechanism 2 and the blade device 3 are hinged to realize expansion and contraction, when the tide is increased or the tide is decreased, the hollow hydraulic oil cylinder 51 works, the control sleeve 52 stretches and contracts along the rotating shaft 15 to change the expansion diameter of the blade device 3, and the blade 31 is prevented from being damaged due to abrupt change of water flow, so that the power generation efficiency is improved. When tide rises or falls, the hollow hydraulic cylinder 51 operates to retract the sleeve 52 and to expand the blade 31 by rotating the opening/closing mechanism 2. The blade 31 extracts water flow energy to rotate, the rotating shaft 15 is driven to rotate by the rotating opening and closing mechanism 2, the permanent magnet generator 12 converts rotational kinetic energy into electric energy, unstable electric energy is output to the voltage stabilizer A131 and the voltage stabilizer B141, stable current after voltage stabilization is transmitted to the storage battery A13 and the storage battery B14, and accordingly power is supplied to surrounding marine equipment after the stable current is stored.
When the device is used for carrying out the pre-site selection of the tidal current energy waterwheel field, the whole device is moved to a pre-site position, and the whole device is put into water and fixed by an anchor chain 4. When the optimum height of the vertical axis water turbine is to be measured experimentally, the length of the anchor chain 4 is adjusted so as to change the height of the device, the device is respectively operated continuously for 24 hours at different heights, the total electric energy charged into the storage battery A13 and the storage battery B14 in 24 hours when the device is operated at each height is counted by the recording module, and comparison is carried out, so that the height when the total electric energy charged into the storage battery A13 and the storage battery B14 in 24 hours is the maximum is determined to be the optimum installation height at the station. When the optimum radius of rotation (i.e., the distance between the blades 31 and the rotating shaft 15) of the vertical axis water turbine installation is to be determined, the device is set to the optimum installation height, the opening and closing mechanism 2 is rotated so as to adjust the radius of rotation of the device, the device is operated continuously for 24 hours at different radii of rotation, the total electric energy charged into the battery a13 and the battery B14 by the device within 24 hours at each radius of rotation is counted by the recording module, and comparison is made so as to determine that the radius of rotation at which the total electric energy charged into the battery a13 and the battery B14 within 24 hours is the optimum radius of rotation at the station. When the optimal permanent magnet generator 12 installed on the vertical axis water turbine is to be determined, the device is arranged at the optimal installation height, the opening and closing mechanism 2 is rotated so as to adjust the rotation radius of the device to be the optimal rotation radius, the device respectively and continuously works under the permanent magnet generators 12 with different models for 24 hours, the total electric energy charged into the storage battery A13 and the storage battery B14 in 24 hours when the device works under the permanent magnet generators 12 with various models is counted by the recording module, and the total electric energy charged into the storage battery A13 and the storage battery B14 in 24 hours is compared, so that the permanent magnet generator with the maximum total electric energy charged into the storage battery A13 and the storage battery B14 in 24 hours is determined to be the optimal permanent magnet generator at the station.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (8)
1. An umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device is characterized by comprising: the device comprises a floating power generation box assembly (1), a rotating opening and closing mechanism (2), a blade device (3) and an anchor chain (4), wherein the rotating opening and closing mechanism (2) is fixedly connected with the input end of the floating power generation box assembly (1), the blade device (3) is arranged on the outer side of the rotating opening and closing mechanism (2) and is connected with the rotating opening and closing mechanism (2), the anchor chain (4) is arranged at the lower end of the floating power generation box assembly (1), one end of the anchor chain (4) is connected with the floating power generation box assembly (1), and the other end of the anchor chain (4) is connected with the sea floor;
the floating power generation box assembly (1) comprises: the device comprises a shell (11), a permanent magnet generator (12), a storage battery A (13), a storage battery B (14), a rotating shaft (15) and a hollow hydraulic cylinder assembly (5), wherein the shell (11) is connected with an anchor chain (4), the permanent magnet generator (12), the storage battery A (13) and the storage battery B (14) are arranged inside the shell (11), recording modules are arranged on the storage batteries A (13) and B (14), the permanent magnet generator (12), the storage battery A (13) and the storage battery B (14) are electrically connected with each other, the input end of the permanent magnet generator (12) is connected with the rotating shaft (15), a rotating opening and closing mechanism (2) is sleeved on the rotating shaft (15), the hollow hydraulic cylinder assembly (5) is arranged at the lower end of the permanent magnet generator (12), the hollow hydraulic cylinder assembly (5) arranged in the shell (11) is sleeved on the rotating shaft (15), and the output end of the hollow hydraulic cylinder assembly (5) is connected with the rotating opening and closing mechanism (2);
the hollow hydraulic cylinder assembly (5) comprises: the hollow hydraulic cylinder (51) and the sleeve (52) are sleeved on the outer ring of the rotating shaft (15), the hollow hydraulic cylinder (51) is arranged in the shell (11), the output end of the hollow hydraulic cylinder (51) protrudes out of the shell (11) and is connected with one end of the sleeve (52), and the other end of the sleeve (52) is connected with the rotating opening and closing mechanism (2) through the bearing (6); the rotary opening and closing mechanism (2) includes: connecting rod A (21), connecting rod B (22), connecting rod C (23), articulated adapter sleeve (24), hinge support A (25) and hinge support B (26), hinge adapter sleeve (24) are connected with the sleeve (52) other end through bearing (6), hinge support A (25) set up in hinge adapter sleeve (24) downside and suit on axis of rotation (15), hinge support B (26) set up in hinge support A (25) downside and suit on axis of rotation (15), hinge support B (26) are articulated with the one end of multiunit connecting rod B (22), the other end of connecting rod B (22) is articulated with blade device (3) upper portion, hinge support A (25) are articulated with the one end of multiunit connecting rod A (21), the other end of connecting rod A (21) is articulated with blade device (3) lower part, connecting rod A (21) middle part is articulated with connecting rod C (23) one end, the other end of connecting rod C (23) is articulated with hinge adapter sleeve (24).
2. The umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device according to claim 1, wherein a hanging lug (111) and a sealing ring (112) are arranged on the shell (11), the hanging lug (111) is fixedly connected with the anchor chain (4), an outer ring of the sealing ring (112) is connected with the shell (11), and an inner ring of the sealing ring (112) is connected with an outer ring of an output end of the hollow hydraulic cylinder (51).
3. The umbrella-shaped vertical axis tidal current energy hydraulic turbine pre-positioning experimental device according to claim 1, wherein a waterproof full-sealing bearing (151) is arranged between the inner wall of the hollow hydraulic cylinder (51) and the outer wall of the rotating shaft (15), a sealing sleeve A (152) is arranged between the outer ring of the waterproof full-sealing bearing (151) and the inner wall of the hollow hydraulic cylinder (51), and a sealing sleeve B (153) is arranged between the outer ring of the rotating shaft (15) and the inner ring of the waterproof full-sealing bearing (151).
4. The umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device according to claim 1, wherein a wire harness A (121) and a wire harness B (122) are arranged on the permanent magnet generator (12), the permanent magnet generator (12) is electrically connected with the storage battery A (13) through the wire harness A (121), and the permanent magnet generator (12) is electrically connected with the storage battery B (14) through the wire harness B (122).
5. The umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device according to claim 1, wherein a voltage stabilizer A (131) is arranged at the upper end of the storage battery A (13), one end of the voltage stabilizer A (131) is electrically connected with the storage battery A (13), the other end of the voltage stabilizer A (131) is electrically connected with a wire harness A (121), a voltage stabilizer B (141) is arranged at the upper end of the storage battery B (14), one end of the voltage stabilizer B (141) is electrically connected with the storage battery B (14), and the other end of the voltage stabilizer B (141) is electrically connected with the wire harness B (122).
6. The pre-site experiment device for umbrella-shaped vertical axis tidal current energy water turbine according to claim 2, wherein the blade device (3) comprises a plurality of groups of blades (31), the blades (31) are airfoil-shaped vertical axis blades, the upper parts of the blades (31) are hinged with the connecting rod A (21), and the lower parts of the blades (31) are hinged with the connecting rod B (22).
7. The umbrella-shaped vertical axis tidal current energy water turbine pre-site experiment device according to any one of claims 1 to 6, wherein the device is used for vertical axis tidal current energy water turbine installation site selection, is fixed in a sea area of a pre-installed tidal current energy water turbine through an anchor chain structure, power generation performance is observed, a retraction anchor chain (4) can be moved to other sea areas to be put in again, and feasibility of installing the water turbine in different sea areas is tested.
8. An umbrella-shaped vertical axis tidal current energy hydraulic turbine pre-site experiment device according to any one of claims 1-6, wherein when the experiment device is used for pre-site selection of a tidal current energy hydraulic turbine field, the whole experiment device is moved to a pre-site station, and the whole experiment device is put into water and fixed by an anchor chain (4); when the optimal height of the vertical axis water turbine is to be measured experimentally, the length of the anchor chain (4) is adjusted so as to change the height of the experimental device, the experimental device is enabled to work continuously for 24 hours at different heights respectively, the total electric energy of the experimental device, which is charged into the storage battery A (13) and the storage battery B (14) within 24 hours when the experimental device works at each height, is counted by the recording module, and is compared, so that the height when the total electric energy of the storage battery A (13) and the storage battery B (14) is the maximum within 24 hours is determined to be the optimal installation height at the station; when the optimal rotation radius of the vertical axis water turbine is to be determined, the rotation radius is the distance between the blades (31) and the rotating shaft (15), the experimental device is set at the optimal installation height, the opening and closing mechanism (2) is rotated so as to adjust the rotation radius of the experimental device, the experimental device continuously works for 24 hours under different rotation radii respectively, the total electric energy charged into the storage battery A (13) and the storage battery B (14) in 24 hours when the experimental device works under each rotation radius is counted by the recording module, and the total electric energy charged into the storage battery A (13) and the storage battery B (14) in 24 hours is compared, so that the rotation radius when the total electric energy charged into the storage battery A (13) and the storage battery B (14) in the most is determined as the optimal rotation radius at the station; when the optimal permanent magnet generator (12) installed on the vertical axis water turbine is to be determined, the experimental device is arranged at the optimal installation height, the opening and closing mechanism (2) is rotated so as to adjust the rotation radius of the experimental device to be the optimal rotation radius, the experimental device respectively and continuously works for 24 hours under the permanent magnet generators (12) with different types, the total electric energy of the experimental device, which is charged into the storage battery A (13) and the storage battery B (14) within 24 hours when the experimental device works under the permanent magnet generators (12) with various types, is counted by the recording module, and the comparison is carried out, so that the model of the permanent magnet generator (12) with the maximum total electric energy, which is charged into the storage battery A (13) and the storage battery B (14) within 24 hours, is determined to be the optimal permanent magnet generator at the station.
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