CN113864102A - Vortex-induced vibration power generation device in underwater suspension state - Google Patents
Vortex-induced vibration power generation device in underwater suspension state Download PDFInfo
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- CN113864102A CN113864102A CN202111125423.2A CN202111125423A CN113864102A CN 113864102 A CN113864102 A CN 113864102A CN 202111125423 A CN202111125423 A CN 202111125423A CN 113864102 A CN113864102 A CN 113864102A
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- inflatable floating
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- 238000010248 power generation Methods 0.000 title claims abstract description 24
- 239000000725 suspension Substances 0.000 title claims abstract description 8
- 238000007667 floating Methods 0.000 claims description 70
- 238000013016 damping Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000013535 sea water Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 2
- 238000005339 levitation Methods 0.000 claims 8
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012636 effector Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
- 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
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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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- 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
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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
- B63B2022/006—Buoys specially adapted for measuring or watch purposes
Abstract
The invention provides a vortex-induced vibration power generation device in an underwater suspension state, which is skillfully combined with a submerged buoy, vortex-induced vibration can be generated when ocean current flows through a cylindrical action body of the device, so that the cylindrical action body moves back and forth along a guide rail, a rack is driven to be meshed with a gear to generate electric energy, the generated electric energy can be directly transmitted to the submerged buoy, the submerged buoy has electric power for long-time work, and the device can be self-adaptive to the direction of the ocean current to perform position adjustment, so that the conversion efficiency of the ocean current energy is improved. In addition, the device can be grafted at any depth position of the cable of the submerged buoy, or a group of devices can be respectively grafted at positions of a plurality of cables with different depths, the generated electric energy can be directly transmitted to equipment installed nearby the cable, and in addition, the electric energy generated by the device can be stored to supply power for a passing submersible vehicle or underwater vehicle.
Description
Technical Field
The invention belongs to the technical field of ocean renewable energy development and utilization, and particularly relates to a vortex-induced vibration power generation device in an underwater suspension state.
Background
The submerged buoy is a device which is connected with a seabed anchor body by a cable and is suspended in seawater, and is used for detecting ocean data of a seawater three-dimensional space, and detecting equipment for detecting underwater sound, water pressure, water temperature, water quality and the like is arranged at the cable positions of different seawater depths to complete corresponding tasks. The submerged buoy is usually anchored in a sea area with a depth of hundreds of meters or even thousands of meters underwater for a long time, the installed devices all need electric power to maintain work, the electric power of the devices comes from batteries of the submerged buoy, but the batteries are limited by factors such as volume, quality, cost and the like, so the capacity of the batteries of the submerged buoy is limited, the submerged buoy usually works for 8 months to 20 months underwater, when the electric energy of the batteries of the submerged buoy is exhausted, the devices carried by the submerged buoy cannot work normally due to the exhaustion of the electric energy, and because the throwing cost of the submerged buoy is very high, the batteries cannot supply power continuously, and great loss is caused. Therefore, how to make the submerged buoy have electric energy for long-time operation is one of the problems which are urgently needed to be solved at present.
It is well known that there are a variety of renewable energy sources in the ocean, like ocean current energy, wave energy, tidal energy, etc. The wave energy is most abundant in the underwater near sea surface sea area, when the water depth exceeds 10 meters, the fluctuation speed of the seawater is low, and the wave generating effect is small. In addition, the energy of tidal energy is only applied to the surface area of the seawater. Wave energy and tidal energy are difficult to harness for a buoy anchored at the water bottom for hundreds of meters or even thousands of meters. The ocean current can be a renewable energy which is active underwater for a long time and exists at any depth position, and the submerged buoy is acted by the ocean current at all times after being thrown to a specific sea area, so that the submerged buoy has the advantage of unique utilization of the ocean current.
For example, chinese patent No. CN 107733285 a discloses an underwater omnidirectional vortex-induced vibration power generation device, which captures kinetic energy of tidal current by using a vortex-induced vibration effect of a cylindrical rod, generates power by using four piezoelectric ceramics uniformly distributed in the circumferential direction through the extrusion of the cylindrical rod, and when a current direction is parallel to the four circumferential directions, the cylindrical rod forward extrudes the piezoelectric ceramics, so that the device achieves an optimized power generation effect; for example, chinese patent No. CN107834903A discloses a vortex-induced vibration power generation device for an underwater mooring platform, which utilizes alternating vortices generated by ocean currents passing through the mooring platform to act on a light flat plate to extrude piezoelectric ceramics for power generation. Such patents propose to fix the device at a fixed point on the sea floor for energy recovery, and if such devices are used for supplying power to detection equipment at different water depth sections, the problem of long-distance power transmission is solved, and the requirement for cables is very difficult due to complex working conditions at the sea floor.
Aiming at the problems, the vortex-induced vibration power generation device in the underwater suspension state is skillfully combined with the submerged buoy and can be grafted at any depth position of a cable of the submerged buoy, in addition, the position of the device can be adjusted according to the direction of ocean current, and compared with the existing other invention devices, the device has higher energy conversion rate and practical application value.
Disclosure of Invention
The invention aims to provide a vortex-induced vibration power generation device in an underwater suspension state, which is skillfully combined with a marine submerged buoy and can be grafted at any depth position of a submerged buoy cable, the device is suspended underwater, one end of the device is connected with the marine submerged buoy through an upper cable, the other end of the device is connected with a water bottom anchor body through a lower cable, when ocean current flows through a cylindrical action body of the device, vortex-induced vibration is generated, vortex with alternating action is generated, the cylindrical action body moves back and forth along the direction vertical to the ocean current, and finally, electric energy is generated through the meshing transmission of a gear and a rack.
The device of the invention comprises: the device comprises an upper base, a lower base, a support, a guide rail connecting plate, a guide rail, a cylindrical action body, an upper sliding block, a lower sliding block, a generator, a shaft seal, a gear, a rack, a spring, an upper inflatable floating body, an upper damping plate, an upper wake plate, a lower inflatable floating body, a lower damping plate, a lower wake plate, a rotating buckle and a rotating groove.
The frame of the device is formed by connecting an upper base and a lower base through three groups of brackets; the upper base and the lower base are both cylinders with certain thickness, the thickness of the upper base is larger than that of the lower base, and the diameters of the upper base and the lower base are equal and have the same axle center; the support has three groups, all is the round bar that adopts light material to make, and three group's supports evenly distributed just are tangent with the base outward flange between upper and lower base.
The number of the guide rail connecting plates is four, two of the guide rail connecting plates are oppositely arranged at the edge of the lower plane of the upper base, and the other two guide rail connecting plates are oppositely arranged at the edge of the upper plane of the lower base; the guide rails are cylindrical rods, and the number of the guide rails is two, one guide rail is fixed between the two guide rail connecting plates of the upper base, and the other guide rail is fixed between the two guide rail connecting plates of the lower base.
The generator is arranged in the upper base, a through hole is preset at the bottom of the upper base, so that an output shaft of the generator just passes through the through hole, and a gear is arranged on the output shaft of the generator; the shaft seal is arranged at a preset through hole of the upper base.
The cylindrical action body is a cylinder made of a light material with the same density as seawater; the upper sliding block is of a rectangular block structure, a through hole with the diameter equal to that of the guide rail is formed in the upper sliding block, and the upper sliding block is fixed on the upper bottom surface of the cylindrical action body; the lower sliding block is the same as the upper sliding block and is fixed on the lower bottom surface of the cylindrical acting body. When the cylindrical action body is installed, the guide rail on the upper base penetrates through the through hole of the upper sliding block, and the guide rail on the lower base penetrates through the through hole of the lower sliding block, so that the cylindrical action body can move back and forth along the guide rail.
The springs are used for connecting the sliding blocks and the guide rail connecting plates, the two springs are required to be used for the upper sliding block and are respectively connected with the two guide rail connecting plates of the upper base, and the two springs are required to be used for the lower sliding block and are respectively connected with the two guide rail connecting plates of the lower base.
The rack is arranged on the upper bottom surface of the cylindrical action body, the modulus and the pressure angle of the rack are the same as those of the gear, and the rack is meshed with the gear when being arranged.
The upper inflatable floating body is arranged on the upper plane of the upper base, and the top surface of the upper inflatable floating body is made into an inclined plane with the inclination degree of 2-5 degrees; the lower inflatable floating body is arranged on the lower plane of the lower base, the bottom surface of the lower inflatable floating body is made into an inclined plane with the inclination degree of 2-5 degrees, the top surface of the upper inflatable floating body is parallel to the bottom surface of the lower inflatable floating body, the upper inflatable floating body and the lower inflatable floating body are filled with air, the volume of the air in the lower inflatable floating body is more than that in the upper inflatable floating body, and the top surface of the upper inflatable floating body and the bottom surface of the lower inflatable floating body are respectively fixedly buckled; the rotary groove is respectively arranged at the bottom end of the upper cable and the top end of the lower cable, the rotary buckle in the upper inflatable floating body is matched with the rotary groove in the upper cable, so that mutual rotation can be realized, and in the same way, the rotary buckle in the lower inflatable floating body and the rotary groove in the lower cable can also rotate mutually. The design of the upper inflatable floating body top surface and the lower inflatable floating body bottom surface should ensure that: the upper and lower cables remain in line when tensioned.
The upper wake plate is rigidly welded with the upper base through a connecting rod; the lower tail flow plate is rigidly welded with the lower base through a connecting rod.
The upper damping plate is arranged in the middle of the upper plane of the upper base and is skillfully combined with the upper inflatable floating body at the beginning of structural design; the lower damping plate is arranged in the middle of the lower plane of the lower base, and is skillfully combined with the lower inflatable floating body at the beginning of structural design. The plate surfaces of the upper damping plate and the lower damping plate and the plate surfaces of the upper tail flow plate and the lower tail flow plate are on the same plane.
When ocean current flows through the device, the ocean current can generate vortex-induced vibration effect on the cylindrical action body, vortices with alternate action appear on two sides of the cylindrical action body, and then the cylindrical action body moves back and forth along the guide rail, so that the rack and the gear are driven to be meshed for transmission, and finally, electricity is generated through the generator; if the direction of the ocean current is not parallel to the wake plate of the device, the wake plate is pushed to rotate under the action of the ocean current, so that the rotating buckles on the upper inflatable floating body and the lower inflatable floating body of the device rotate relative to the rotating grooves on the mooring rope, and the rotation is stopped until the wake plate rotates to be parallel to the direction of the water current.
The invention has the beneficial effects that:
1. the device is skillfully combined with the ocean submerged buoy, the device is suspended in water, when ocean currents flow through, the device can be self-adaptive to the direction of the ocean currents to adjust the position, the cylindrical action body is guaranteed to have the maximum oscillation amplitude all the time, and therefore the utilization efficiency of the device on the ocean current energy is improved.
2. The device can be grafted at any depth position of the submerged buoy cable, and compared with the existing power generation device, the device does not need to be installed on the sea bottom, so that the device does not need to have the problems of overhigh bearing capacity and long-distance power transmission.
3. The device can also be respectively grafted with a group of devices at the positions of cables with different depths, the generated electric energy can be directly transmitted to equipment installed nearby the cables, and in addition, the electric energy generated by the devices can be stored to supply power for passing submersibles or underwater vehicles.
Drawings
FIG. 1 is a schematic of the present invention;
FIG. 2 is a schematic diagram of the composition of the framework of the present invention;
FIG. 3 is a schematic view of the connection of the guide rail connecting plate and the guide rail of the present invention;
FIG. 4 is a schematic view of the installation position of the generator of the present invention;
FIG. 5 is a schematic view of the connection of the cylindrical working body and the slide block according to the present invention;
FIG. 6 is a schematic view of the spring mounting position of the present invention;
FIG. 7 is a schematic view of the mounting location of the rack of the present invention;
FIG. 8 is a schematic view of the gear and rack engagement of the present invention;
FIG. 9 is a schematic view of the upper and lower inflatable floats of the present invention;
FIG. 10 is a schematic view of the installation position of the turnbuckle and the turngroove of the present invention;
FIG. 11 is a schematic view of the installation position of the damping plate according to the present invention;
FIG. 12 is a schematic view of the present invention under the influence of ocean currents;
FIG. 13 is a schematic representation of a cylindrical effector of the present invention under alternating vortex action;
FIG. 14 is a schematic view of the side-to-side movement of the cylindrical effector of the present invention under the influence of alternating vortices;
FIG. 15 is a schematic view of the movement of the cylindrical working body of the present invention to the left;
FIG. 16 is a schematic view of the present invention grafted at any depth position on a submersible buoy cable;
in the drawings: 1. an upper base; 2. a lower base; 3. a support; 4. a guide rail connecting plate 5, a guide rail; 6. a cylindrical acting body; 7. an upper slide block; 8. a lower slide block; 9. a generator; 10. shaft sealing; 11. a gear; 12. a rack; 13. the spring 14 is an upper inflatable floating body; 15. an upper damping plate; 16. an upper tail flow plate; 17. a lower inflatable floating body; 18. a lower damping plate; 19. a lower tail flow plate; 20. turning and buckling; 21. and (6) rotating the groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples.
A vortex-induced vibration power generation device in an underwater suspension state, the overall schematic diagram of the device is shown in figure 1, the installation positions and connection modes of all components of the device are shown in figures 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11, and the device comprises: the device comprises an upper base 1, a lower base 2, a bracket 3, a guide rail connecting plate 4, a guide rail 5, a cylindrical acting body 6, an upper sliding block 7, a lower sliding block 8, a generator 9, a shaft seal 10, a gear 11, a rack 12, a spring 13, an upper inflatable floating body 14, an upper damping plate 15, an upper wake plate 16, a lower inflatable floating body 17, a lower damping plate 18, a lower wake plate 19, a turnbuckle 20 and a rotary groove 21.
The frame of the device is formed by connecting an upper base 1 and a lower base 2 through three groups of brackets, as shown in figure 2, the upper base 1 and the lower base 2 are both cylinders with certain thickness, the thickness of the upper base 1 is larger than that of the lower base 2, and the diameters of the upper base and the lower base are equal and have the same axle center; the three groups of the supports 3 are round rods made of light materials, and the three groups of the supports are uniformly distributed between the upper base and the lower base and are tangent to the outer edge of the base.
As shown in fig. 3, the number of the guide rail connecting plates 4 is four, two of the guide rail connecting plates are oppositely arranged at the lower plane edge of the upper base 1, and the other two guide rail connecting plates are oppositely arranged at the upper plane edge of the lower base 2; the guide rails 5 are cylindrical rods, and are two in total, one guide rail is fixed between the two guide rail connecting plates of the upper base 1, and the other guide rail is fixed between the two guide rail connecting plates of the lower base 2.
As shown in fig. 4, the generator 9 is installed inside the upper base 1, a through hole is preset at the bottom of the upper base 1, so that an output shaft of the generator 9 just passes through the through hole, and a gear 11 is installed on the output shaft of the generator 9; the shaft seal 10 is disposed at a predetermined through hole of the upper base 1 to prevent seawater from entering the interior of the upper base 1 through the through hole.
As shown in fig. 5, the cylindrical acting body 6 is a cylinder made of a light material with the same density as that of seawater; the upper sliding block 7 is of a rectangular block structure, a through hole with the diameter equal to that of the guide rail 5 is formed in the upper sliding block 7, and the upper sliding block 7 is fixed on the upper bottom surface of the cylindrical acting body 6; the lower sliding block 8 is the same as the upper sliding block 7 and is fixed on the lower bottom surface of the cylindrical action body 6. When mounting, the guide rail 5 fixed to the upper base 1 passes through the through hole of the upper slider 7, and the guide rail 5 fixed to the lower base 2 passes through the through hole of the lower slider 8, which allows the cylinder actuating body 6 to move back and forth along the guide rail 5.
As shown in fig. 6, the springs 13 are used for connecting the sliding block and the guide rail connecting plate 4, two springs are needed to be used for the upper sliding block 7 to be connected with the two guide rail connecting plates of the upper base 1, and two springs are needed to be used for the lower sliding block 8 to be connected with the two guide rail connecting plates of the lower base 2. The purpose of the spring 13 is to: the upper and lower sliding blocks are prevented from colliding with the guide rail connecting plate 4 in the moving process. As shown in fig. 7 and 8, the rack 12 is mounted on the upper bottom surface of the cylindrical acting body 6, and the module and the pressure angle of the rack 12 are the same as those of the gear 11, and are engaged with the gear 11 when the rack 12 is mounted.
As shown in fig. 9 and 10, the upper inflatable floating body 14 is arranged on the upper plane of the upper base 1, and the top surface of the upper inflatable floating body 14 is made into an inclined plane with the inclination degree of 2-5 degrees; the lower inflatable floating body 17 is arranged on the lower plane of the lower base 2, and the bottom surface of the lower inflatable floating body 17 is made into an inclined plane with the inclination degree of 2-5 degrees; the top surface of the upper inflatable floating body 14 is parallel to the bottom surface of the lower inflatable floating body 17, and the top surface of the upper inflatable floating body 14 and the bottom surface of the lower inflatable floating body 17 are respectively fixed with a rotating buckle 20; the rotary slots 21 are respectively arranged at the bottom end of the upper cable and the top end of the lower cable, the rotary buckles 20 in the upper inflatable floating body 14 are matched with the rotary slots 21 in the upper cable, so that mutual rotation can be realized, and similarly, the rotary buckles 20 in the lower inflatable floating body 17 and the rotary slots 21 in the lower cable can also rotate mutually. When the top surface of the upper inflatable floating body 14 and the bottom surface of the lower inflatable floating body 17 are designed, the following steps are ensured: the upper and lower cables remain in line when tensioned. The upper inflatable floating body 14 and the lower inflatable floating body 17 are filled with air, and the volume of the air in the upper inflatable floating body 14 is more than that of the air in the lower inflatable floating body 17, so that the situation that the device is suspended in water can be ensured, the upper inflatable floating body 14 and the lower inflatable floating body 17 generate buoyancy difference, the upper inflatable floating body 14 is always above, and the lower inflatable floating body 17 is always below, and the situation that the device is inclined too much under the condition that the tensile force of an upper cable of the upper inflatable floating body 14 is too small is avoided, and the effect of the device on recovering ocean current energy is poor. When the floating body is designed, the following requirements are also ensured: the total buoyancy generated by the upper and lower inflatable floating bodies is larger than the gravity of the device, so that the device is always in a suspended state under water.
As shown in fig. 11, the upper spoiler 16 is rigidly welded to the upper base 1 by a connecting rod; the lower tail flow plate 19 is rigidly welded with the lower base 2 through a connecting rod. The wake plate is used for capturing the water flow direction, and when the water flow direction and the wake plate form an included angle, the wake plate is pushed to rotate the device, so that the wake plate is parallel to the water flow direction. The swivel buckles 20 on the upper and lower inflatable floats rotate relative to the swivel grooves 21 on the cables during rotation of the device, so that the cables are prevented from being damaged due to over-twisting.
The upper damping plate 15 is arranged in the middle of the upper plane of the upper base 1 and is skillfully combined with the upper inflatable floating body 14 at the beginning of the structural design; the lower damping plate 18 is arranged in the middle of the lower plane of the lower base 2 and is skillfully combined with the lower inflatable floating body 17 at the beginning of the structural design. The damping plate is arranged for the following purposes: firstly, the damping plate increases the resistance of the left-right movement of the frame of the device in the process of the left-right movement of the cylindrical action body 6, and avoids the phenomenon that the frame is driven to move in the same direction in the process of the movement of the cylindrical action body 6, so that the actual displacement of the cylindrical action body 6 is reduced, and the power generation effect of the device is poor; secondly, when the ocean current flows through the device, the damping plate can play a guiding role on the ocean current, and the oscillation amplitude of the cylindrical action body 6 is increased, so that the utilization efficiency of the device on the ocean current energy is improved.
As shown in fig. 12, when a current flows through the device, the submerged buoy floating body and the device floating body move along the direction of the current, the upper cable and the lower cable connected with the device incline under the control of the underwater anchor body, and the inclination angle of the cable is between 2 degrees and 5 degrees according to experience, which is the same as the inclination degree of the top surface of the upper inflatable floating body 14 and the bottom surface of the lower inflatable floating body 17, so that the cylindrical acting body 6 is almost vertical to the sea level, thereby ensuring that the cylindrical acting body 6 always has the maximum oscillation amplitude, the device has high utilization rate of the current energy, as shown in fig. 13, the current can generate vortex-induced vibration effect on the cylindrical acting body 6, and vortices which alternately act on two sides of the cylindrical acting body 6, so that the cylindrical acting body 6 moves back and forth along the guide rail 5, thereby the rack 12 is engaged with the gear 11 for transmission, and further the power generation is realized through the generator 9; if the direction of the ocean current is at an angle with the tail flow plate of the device, the tail flow plate is pushed to rotate under the action of the ocean current, so that the device rotates, and the tail flow plate stops rotating when rotating to be parallel to the direction of the ocean current. During the rotation of the device, the rotating buckles 20 on the upper and lower inflatable floating bodies of the device rotate relative to the rotating grooves 21 on the mooring ropes, thereby realizing the optimal utilization of the device on the ocean current energy.
As shown in fig. 14 and 15, when the cylindrical acting body 6 moves to the left under the action of vortex-induced vibration, the cylindrical acting body 6 drives the rack 12 to move to the left, so that the rack 12 is in meshing transmission with the gear 11, and then electricity is generated through the generator 9, and in the process of moving to the left of the cylindrical acting body 6, the left spring is compressed, and the right spring is elongated. In a similar way, when cylinder effect body 6 moved left under the effect of vortex-induced vibration, cylinder effect body 6 drove rack 12 and moved left to make rack 12 and 11 meshing transmissions of gear, and then generate electricity through generator 9, at the in-process that cylinder effect body 6 moved left, the left side spring was compressed, and the right side spring was elongated.
Because the vortex-induced vibration effect is to generate alternate vortices, the cylindrical action body 6 can move back and forth under the action of the alternate vortices to drive the rack 12 and the gear 11 to be meshed and driven back and forth, so that the generator 9 generates stable power output, and the generated electric energy can be directly transmitted to the submerged buoy.
The ocean submerged buoy is connected with the underwater anchor body through a cable, a plurality of devices for detecting water temperature, water pressure and water quality are usually arranged on the cable at different water depth sections, because the total length of the cable can reach hundreds of meters or even thousands of meters, and the devices are not distributed on the cable, often, the distance is far, the traditional submerged buoy equipment only supplies power for the portable devices through self-contained batteries, so that the problems that the transmission cable is too long and difficult to arrange and the submerged buoy is recovered after the electric energy of the batteries is exhausted are solved, as shown in fig. 16, the device can be grafted at any depth position of the cable of the submerged buoy, or a group of devices can be grafted at different depths such as a position A, a position B, a position C or a position D, the generated electric energy is transmitted to equipment installed nearby the cable, the submerged buoy is guaranteed to have electric energy working for a long time, and the problem that the cable of the traditional submerged buoy is too long and difficult to arrange is solved. By suspending the device in water this method places low demands on the device to withstand pressure. In addition, the electrical energy generated by the device can also be stored to power a routed submersible or underwater vehicle.
The above description is only a preferred embodiment of the present invention, but is not limited by the above embodiments, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. The utility model provides a vortex induced vibration power generation facility in suspension state under water which characterized in that: the power generation facility connects the ocean submerged buoy through upper portion hawser, connects the anchor body under water through lower part hawser, and the device includes: an upper base (1), a lower base (2), a bracket (3), a guide rail connecting plate (4), a guide rail (5), a cylindrical acting body (6), an upper slide block (7), a lower slide block (8), a generator (9), a shaft seal (10), a gear (11), a rack (12), a spring (13), an upper inflatable floating body (14), an upper damping plate (15), an upper tail flow plate (16), a lower inflatable floating body (17), a lower damping plate (18), a lower tail flow plate (19), a turn buckle (20) and a turn trough (21),
the frame of the device is formed by connecting an upper base (1) and a lower base (2) through three groups of brackets;
the guide rail connecting plates (4) are respectively fixed on the upper base (1) and the lower base (2);
two ends of the guide rail (5) are connected with guide rail connecting plates (4);
the upper sliding block (7) and the lower sliding block (8) are respectively fixed on the upper bottom surface and the lower bottom surface of the cylindrical action body (6), and the upper sliding block (7) and the lower sliding block (8) are respectively in sliding fit with the guide rail (5);
the rack (12) is fixed on the upper bottom surface of the cylindrical action body (6);
the generator (9) is arranged in the upper base (1), a through hole is preset at the bottom of the upper base (1) so that an output shaft of the generator (9) just passes through the through hole, the output shaft of the generator (9) is connected with a gear (11), and the gear (11) is meshed with the rack (12);
the upper inflatable floating body (14) is arranged on the upper plane of the upper base (1), the top surface of the upper inflatable floating body (14) is made into an inclined plane with the inclination degree of 2-5 degrees, the lower inflatable floating body (17) is arranged on the lower plane of the lower base (2), the bottom surface of the lower inflatable floating body (17) is made into an inclined plane with the inclination degree of 2-5 degrees, and the top surface of the upper inflatable floating body (14) is parallel to the bottom surface of the lower inflatable floating body (17);
the rotary buckles (20) are respectively arranged on the top surface of the upper inflatable floating body (14) and the bottom surface of the lower inflatable floating body (17), the rotary grooves (21) are respectively arranged on the upper cable and the lower cable, and the rotary buckles (20) and the rotary grooves (21) can realize rotary fit;
the upper damping plate (15) is arranged in the middle of the upper plane of the upper base (1), and the lower damping plate (18) is arranged in the middle of the lower plane of the lower base (2).
2. The vortex-induced vibration power generation device in an underwater levitation state according to claim 1, wherein: the upper tail flow plate (16) is rigidly welded with the upper base (1) through a long rod; the lower end flow plate (19) is rigidly welded with the lower base (2) through a long rod.
3. The vortex-induced vibration power generation device in an underwater levitation state according to claim 1, wherein: the number of the guide rail connecting plates (4) is four, two of the guide rail connecting plates are oppositely arranged at the edge of the lower plane of the upper base (1), and the other two guide rail connecting plates are oppositely arranged at the edge of the upper plane of the lower base (2); the guide rails (5) are cylindrical rods, and are two in total, one guide rail is fixed between the two guide rail connecting plates of the upper base (1), and the other guide rail is fixed between the two guide rail connecting plates of the lower base (2).
4. The vortex-induced vibration power generation device in an underwater levitation state according to claim 1, wherein: the spring (13) is used for connecting the sliding block and the guide rail connecting plate (4), two springs are required to be used for connecting the upper sliding block (7) with the two guide rail connecting plates of the upper base (1) respectively, and the lower sliding block (8) is required to be connected with the two guide rail connecting plates of the lower base (2) respectively.
5. The vortex-induced vibration power generation device in an underwater levitation state according to claim 1, wherein: the upper inflatable floating body (14) and the lower inflatable floating body (17) are filled with air, and the buoyancy generated by the upper inflatable floating body (14) and the lower inflatable floating body (17) is larger than the gravity of the device under water.
6. The vortex-induced vibration power generation device in an underwater levitation state according to claim 1, wherein: the diameter of the upper base (1) is equal to that of the lower base (2), the upper base and the lower base are coaxial, and the upper base (1) is connected with the lower base (2) through three groups of uniformly distributed brackets.
7. The vortex-induced vibration power generation device in an underwater levitation state according to claim 1, wherein: the shaft seal (10) is arranged at a preset through hole of the upper base (1).
8. The vortex-induced vibration power generation device in an underwater levitation state according to claim 1, wherein: the cylindrical acting body (6) is a cylinder made of light materials with the same density as that of seawater.
9. The vortex-induced vibration power generation device in an underwater levitation state according to claim 1, wherein: the surfaces of the upper damping plate (15), the lower damping plate (18), the upper tail flow plate (16) and the lower tail flow plate (19) are all on the same plane.
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