WO2022110859A1 - Tail fin type power generation device employing bidirectional rotation of flow induced vibration means to capture ocean current energy - Google Patents

Tail fin type power generation device employing bidirectional rotation of flow induced vibration means to capture ocean current energy Download PDF

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Publication number
WO2022110859A1
WO2022110859A1 PCT/CN2021/109184 CN2021109184W WO2022110859A1 WO 2022110859 A1 WO2022110859 A1 WO 2022110859A1 CN 2021109184 W CN2021109184 W CN 2021109184W WO 2022110859 A1 WO2022110859 A1 WO 2022110859A1
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WIPO (PCT)
Prior art keywords
induced vibration
ocean current
current energy
clutch
flow
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PCT/CN2021/109184
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French (fr)
Chinese (zh)
Inventor
白旭
孙萌
韩传煜
谭舒铭
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江苏科技大学
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Publication of WO2022110859A1 publication Critical patent/WO2022110859A1/en

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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
    • 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
    • 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
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the invention relates to a power generating device, in particular to a tail-wing type ocean current energy flow-induced vibration bidirectional shaking power generating device.
  • the vibration energy can be effectively converted into electrical energy, on the one hand, the energy can be utilized, and on the other hand, the vibration energy can be collected, which can reduce the vibration of the structure as a whole.
  • turbofans are basically used in submarines for energy utilization. The form is too simple, the utilization rate is low, and the conversion is unstable. Therefore, how to change the utilization method and improve the utilization rate and stability has become a hot topic in recent years.
  • the current technology proposes a PVDF elastic film eel "eel” type energy harvester.
  • the film is placed behind the flat plate perpendicular to the direction of the water flow, and the damping effect of the film in the Karman vortex street is negligible under resonance conditions.
  • the Karman vortex street will drive the flexible piezoelectric material on the back side to twist or swing, thereby generating electricity.
  • the "eel" piezoelectric energy capture power generation device can only provide power support for small sensors or beacon lights, etc., and is not suitable for the power supply of large underwater equipment such as submarines, and the application area is narrow.
  • the core of the eel-type piezoelectric energy harvesting device lies in the piezoelectric material itself. Only by breaking through and improving material technology can the application prospect of the device be improved.
  • the present invention aims to provide a fin-type ocean current energy flow-induced vibration bidirectional shaking power generator with large power generation, high power generation efficiency, stable structure and convenient production, so as to solve the above technical problems.
  • the tail type ocean current energy flow-induced vibration two-way shaking power generator of the present invention includes a fixed frame, a flow-induced vibration plate, and a clutch.
  • the flow-induced vibration plate is provided with a through shaft, and both ends of the through shaft are provided with Clutch; the clutch is connected to the generator structure through the transmission structure.
  • the upper surface of the fluid-induced vibration plate is streamlined or inclined.
  • the clutch is arranged at the ends of the two ends of the fluid-induced vibration plate, and the end of the fluid-induced vibration plate is cylindrical.
  • the clutch includes an upper rotating shaft, an outer disk, an inner disk and a lower rotating shaft; the top and bottom of the upper rotating shaft are respectively connected with the fixed frame and the outer disk, the outer disk and the inner disk are nested and connected, and the top and bottom of the lower rotating shaft are respectively connected with the inner disk and the fixed frame.
  • the inner disk includes a claw wheel, the claw wheel is provided with a wedge groove, a roller and a spring ejector rod connecting the roller and the claw wheel are arranged in the groove, and the spring ejector rod is arranged on the side wall of the groove.
  • the transmission structure includes two couplings and a worm transmission structure between the couplings.
  • the lower rotating shaft of the clutch is connected to the coupling, and the lower rotating shaft drives the coupling to rotate;
  • the coupling includes two half-couplings and diaphragms arranged symmetrically, and the two half-couplings and the diaphragms are alternately connected , that is, the adjacent connecting bolts are in opposite directions.
  • the lower end of the coupling is connected to a worm drive structure
  • the worm drive structure includes a worm, a worm wheel and an output shaft
  • the worm is connected to the lower rotating shaft of the overrunning clutch through the coupling
  • the lower rotating shaft drives the worm to rotate
  • the worm is engaged with the worm wheel
  • the worm wheel is connected to the worm wheel. output shaft connection.
  • the end of the through shaft is provided with a fixing column, and the fixing column is provided with a notch, which is connected with the clutch through the notch.
  • the transmission structure is arranged in the fixed frame.
  • the present invention selects the flow-induced vibration plate as the bluff body around the flow.
  • the vibration plate oscillates in both directions.
  • the resistance of the plate in the water flow is small, and the surface of the plate is provided with an anti-corrosion coating, which can reduce the damage to the plate. Corrosion, to ensure the service life of the device under water.
  • An overrunning clutch is added to the device of the present invention. Whether the vibrating plate is rotated clockwise or counterclockwise, the clutch can rotate to drive the generator coil to cut the magnetic field line to generate electricity, ensuring that when the plate works underwater, whether it is clockwise or counterclockwise Swing counterclockwise, the clutch will rotate along with it, so that the current energy can be captured to a greater extent and more energy can be obtained.
  • Two servo motors are used for power generation. Since they do not generate power at the same time, the generated phase difference can be used to balance the potential to ensure the stability of the power generation of the equipment.
  • Fig. 2 is the structural representation of the present invention
  • FIG. 3 is a schematic structural diagram of a fluid-induced vibration plate of the present invention.
  • FIG. 4 is a schematic diagram of the clutch assembly structure of the present invention.
  • FIG. 6 is a schematic diagram of the connection structure of the components of the present invention.
  • FIG. 7 is a schematic diagram of the combined structure of the coupling according to the present invention.
  • FIG. 8 is a schematic diagram of the split structure of the coupling of the present invention.
  • FIG. 9 is a schematic diagram of the combined structure of the worm drive structure of the present invention.
  • Figure 10 is a schematic diagram of the split structure of the worm drive structure of the present invention.
  • FIG. 11 is a schematic diagram of the combined structure of the power generation structure of the present invention.
  • FIG. 12 is a schematic diagram of the split structure of the power generation structure of the present invention.
  • FIG. 13 is a schematic diagram of the structure of the inner disk of the present invention.
  • an empennage type ocean current energy flow-induced vibration bidirectional shaking power generator of the present invention includes a fixed frame 1 , a flow-induced vibration plate 2 , and a casing 3 .
  • the fluid-induced vibration plate 2 is arranged vertically, and a through shaft is arranged in the fluid-induced vibration plate 2 , and clutches 5 are arranged at both ends of the through shaft.
  • the clutch 5 is connected to the generator structure 8 through a transmission structure.
  • the transmission structure includes two couplings 6 and a worm transmission structure 7 between the couplings.
  • a clutch 5 is placed in the housing 3, and the clutch 5 is a roller type overrunning clutch.
  • the bottom of the shell 3 is welded with the fixed frame to protect the clutch and reduce corrosion.
  • the upper surface of the fluid-induced vibration plate 2 is streamlined or inclined, and one end is cylindrical.
  • a fixed column 4 is axially provided on the inner cylindrical surface, and a notch is arranged inside the fixed column 4.
  • the fixed column 4 is connected with the roller type overrunning clutch 5 by a key, so that the plate 2 and the clutch 5 can be rotated together.
  • the roller type overrunning clutch 5 includes an upper rotating shaft 9 , an outer disk 10 , an inner disk 11 and a lower rotating shaft 12 .
  • the top of the upper rotating shaft 9 is connected with the fixed column 4 through a key, and the bottom is welded with the outer disk 10, thereby driving the outer disk 10 to rotate at the same time.
  • the lower shaft 12 is welded with the inner disk 11 , and the rotation of the inner disk 11 drives the lower shaft 12 to rotate.
  • the inner disc 11 includes a claw wheel 15 , the claw wheel is provided with a wedge groove, and a roller 13 and a spring ejector rod 14 connecting the roller and the claw wheel are arranged in the groove.
  • the spring ejector rod 14 is arranged on the side wall of the groove to ensure that the roller 13 moves in a designated direction with the rotation of the inner and outer disks. Specifically, when the outer disk 10 rotates clockwise, the rollers 13 are wedged in the wedge groove by frictional force, so that the claw wheel 15 rotates clockwise with the outer disk 10 in the same direction, thereby driving the lower shaft 12 to rotate.
  • the elastic diaphragm coupling 6 includes two half couplings 61 , a diaphragm 62 , six bolts 63 and six nuts 63 .
  • the two halves of the coupling 61 are alternately connected to the diaphragm 62 through bolts 63 , that is, the adjacent bolts are in opposite directions, and are locked and fixed through nuts 63 .
  • the coupling 6 is connected with the lower rotating shaft 12 of the clutch, and rotates with the rotating shaft 12 at the same frequency. The coupling 6 compensates the relative displacement of the two connected shafts by the elastic deformation of the diaphragm 62 .
  • the worm drive structure 7 includes a worm 20 , a worm wheel 21 and an output shaft 22 .
  • the worm 20 is connected to the lower rotating shaft 12 of the overrunning clutch through the coupling 6, and when the lower rotating shaft 12 of the clutch rotates, the worm 20 is driven to rotate through the coupling 6.
  • the worm 20 meshes with the worm wheel 21 through helical teeth.
  • the worm gear 21 and the output shaft 22 are connected by a key, and when the worm gear 21 rotates, the output shaft 22 rotates together.
  • the generator structure 8 includes a servo motor 28 , a rotating shaft 27 , a fixing plate 23 , four bolts 24 and four nuts 25 .
  • the side surface of the fixing plate 23 is welded with the interior of the fixing frame 1 .
  • the servo motor 28 passes through the through holes 26 and 29 in sequence through the bolts 24 , and is fixed on the fixing plate 23 by the nut 25 , thereby being fixed in the fixing frame 1 .
  • both ends of the fluid-induced vibration plate 2 are connected to the upper rotating shaft 9 of the roller type overrunning clutch 5 through the fixed column 4 .
  • the outer disc 10 of the clutch 5 on one side rotates clockwise through the upper rotating shaft 9, thereby driving the lower rotating shaft 12 to rotate clockwise. Therefore, the worm drive structure 7 is driven to rotate, and the connection between the output shaft 22 and the coupling 6 drives the rotation shaft 27 of the servo motor 28 to rotate, cutting the magnetic field line to generate electricity.
  • the outer disc 10' of the clutch 5' on the other side it rotates counterclockwise with the upper shaft 9'.
  • the clutch 5' is in a disengaged state, so it cannot drive the lower shaft 12' to rotate.
  • the lower shaft 12' At rest, the worm drive structure 7' does not rotate, and the servo motor 28' does not generate electricity.
  • the servo motor 28 on one side will generate electricity, and the one on the other side will not generate electricity.
  • FIG. 11 there is an interface structure 30 on the base of the servo motor 28 .
  • the motor 28 on one side generates electricity and the motor 28' on the other side does not generate electricity, a phase difference will be generated on both sides, and the voltage stabilizing device will be passed through the interface 30 on both sides.
  • the lower clutch is in a disengaged state and does not drive the motor to generate electricity.
  • the plate rotates counterclockwise, then the lower motor produces current. This property will cause a phase difference between the upper and lower ends of the board. The potentials are balanced using this phase difference.
  • the flow field where the device is located is also an unsteady field, so the vibration amplitude of the vibrating plate caused by the flow is an irregular value, and the frequency also changes with time, and the generated current is also an AC with inconsistent frequency.
  • the current is filtered by the rectifier circuit, and then the voltages of different sizes are unified through the transformer circuit to charge the batteries on deep-sea equipment such as submarines.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (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

Disclosed is a tail fin type power generation device employing bidirectional rotation of a flow induced vibration means to capture ocean current energy. The device comprises a fixed frame, a flow induced vibration plate and clutches. A through shaft extends through the flow induced vibration plate. The clutches are respectively arranged at two ends of the through shaft. The clutches are connected to a power generation structure by means of a transmission structure. The present invention uses a flow induced vibration plate as a blunt body over which an ocean current flows. When the ocean current flows over the blunt body, the vibration plate rotates bidirectionally, and thus is subjected to a relatively small resistance force in the current. A surface of the plate is provided with a corrosion-resistant coating, thereby reducing corrosion to the plate, and extending the service life of the device under water. The present invention is additionally provided with overrunning clutches, such that regardless of whether the vibration plate rotates clockwise or counterclockwise, the clutches can rotate to drive a power generator coil to cut a magnetic induction line so as to generate power. The invention ensures that regardless of whether a plate operating underwater rotates clockwise or counterclockwise, clutches can rotate therewith, such that ocean current energy can be captured to a greater extent, thereby obtaining more energy.

Description

一种尾翼式海流能流致振动双向摇转发电装置A tail-type ocean current energy flow-induced vibration two-way shaking power transfer device 技术领域technical field
本发明涉及一种发电装置，尤其涉及一种尾翼式海流能流致振动双向摇转发电装置。The invention relates to a power generating device, in particular to a tail-wing type ocean current energy flow-induced vibration bidirectional shaking power generating device.
背景技术Background technique
在生态环境日益恶化的今天，随着资源能源的减少，海洋能源的开发利用越来越受到重视。海流能作为海洋能源中最易利用且持续可利用的能源备受关注。流致振动是一种自然界常见的振动现象，指水流流过固体时，剪切应力导致近壁面水流蜷曲成涡，诱发固体表面不同区域压强变化，从而产生交替相间的流体力，使得固体发生往复运动的现象。流致振动现象广泛的存在于空气动力、水动力及海洋动力等相关的工程领域中，其对工程结构物有巨大的破坏作用。但是如果能将该振动能量有效地转化为电能，一方面可以对能源进行利用，另一方面振动能量被搜集起来，对结构整体起到减振效果。目前应用于潜艇基本采用涡扇进行能源利用，形式太过单一且利用率低、转化不稳定，故如何改变利用方式且提高利用率及稳定性，成为近几年的热门话题。In today's increasingly deteriorating ecological environment, with the reduction of resources and energy, the development and utilization of marine energy has received more and more attention. Ocean current energy has attracted much attention as the most accessible and sustainable energy in ocean energy. Flow-induced vibration is a common vibration phenomenon in nature. When water flows through a solid, the shear stress causes the water flow near the wall to curl into a vortex, which induces pressure changes in different areas of the solid surface, resulting in alternating fluid forces that cause the solid to reciprocate. phenomenon of movement. The phenomenon of flow-induced vibration widely exists in aerodynamics, hydrodynamics and marine dynamics and other related engineering fields, and it has a huge destructive effect on engineering structures. However, if the vibration energy can be effectively converted into electrical energy, on the one hand, the energy can be utilized, and on the other hand, the vibration energy can be collected, which can reduce the vibration of the structure as a whole. At present, turbofans are basically used in submarines for energy utilization. The form is too simple, the utilization rate is low, and the conversion is unstable. Therefore, how to change the utilization method and improve the utilization rate and stability has become a hot topic in recent years.
如图1所示，目前技术提出一种PVDF弹性薄膜鳗鱼“eel”型俘能器，薄膜置于垂直水流方向的平板后方，共振条件下薄膜在卡门涡街中的阻尼效应可忽略不计。流体绕过钝体时产生的卡门涡街会带动后侧的柔性压电材料发生扭动或摆动,进而实现发电。“eel”式压电俘能发电装置仅能为小型传感器或者航标灯等提供电力支持，并不适用于潜艇等大型水下设备的供电，适用面较狭窄。鳗鱼式压电俘能装置的核心在于压电材料本身，只有突破与改善材料技术才能提高该设备运用的前景。As shown in Figure 1, the current technology proposes a PVDF elastic film eel "eel" type energy harvester. The film is placed behind the flat plate perpendicular to the direction of the water flow, and the damping effect of the film in the Karman vortex street is negligible under resonance conditions. When the fluid bypasses the bluff body, the Karman vortex street will drive the flexible piezoelectric material on the back side to twist or swing, thereby generating electricity. The "eel" piezoelectric energy capture power generation device can only provide power support for small sensors or beacon lights, etc., and is not suitable for the power supply of large underwater equipment such as submarines, and the application area is narrow. The core of the eel-type piezoelectric energy harvesting device lies in the piezoelectric material itself. Only by breaking through and improving material technology can the application prospect of the device be improved.
发明内容SUMMARY OF THE INVENTION
发明目的：本发明旨在提供一种发电量大、发电效率高、结构稳定、生产方便的尾翼式海流能流致振动双向摇转发电装置，以解决上述技术问题。Purpose of the invention: The present invention aims to provide a fin-type ocean current energy flow-induced vibration bidirectional shaking power generator with large power generation, high power generation efficiency, stable structure and convenient production, so as to solve the above technical problems.
技术方案：本发明的尾翼式海流能流致振动双向摇转发电装置，包括固定框架、流致振动板、离合器，所述流致振动板内设有贯穿轴，该贯穿轴的两端设有离合器；所述离合器通过传动结构连接发电机结构。Technical solution: The tail type ocean current energy flow-induced vibration two-way shaking power generator of the present invention includes a fixed frame, a flow-induced vibration plate, and a clutch. The flow-induced vibration plate is provided with a through shaft, and both ends of the through shaft are provided with Clutch; the clutch is connected to the generator structure through the transmission structure.
所述流致振动板上表面呈流线型或呈斜面。The upper surface of the fluid-induced vibration plate is streamlined or inclined.
所述离合器设于流致振动板两端的端部，流致振动板的该端部呈圆柱形。The clutch is arranged at the ends of the two ends of the fluid-induced vibration plate, and the end of the fluid-induced vibration plate is cylindrical.
所述离合器包括上转轴、外盘、内盘以及下转轴；上转轴顶部、底部分别与 固定框架和外盘连接，外盘和内盘嵌套连接，下转轴的顶部、底部分别与内盘和固定框架连接。The clutch includes an upper rotating shaft, an outer disk, an inner disk and a lower rotating shaft; the top and bottom of the upper rotating shaft are respectively connected with the fixed frame and the outer disk, the outer disk and the inner disk are nested and connected, and the top and bottom of the lower rotating shaft are respectively connected with the inner disk and the fixed frame.
所述内盘包括爪轮，爪轮设有楔槽，槽内设有滚柱以及连接滚柱与爪轮的弹簧顶杆，弹簧顶杆设于槽的侧壁。The inner disk includes a claw wheel, the claw wheel is provided with a wedge groove, a roller and a spring ejector rod connecting the roller and the claw wheel are arranged in the groove, and the spring ejector rod is arranged on the side wall of the groove.
所述传动结构包括两个联轴器和联轴器间的蜗杆传动结构。The transmission structure includes two couplings and a worm transmission structure between the couplings.
所述离合器的下转轴连接联轴器，由下转轴带动联轴器转动；所述联轴器包括对称设置的两个半联轴器和膜片，两个半联轴器与膜片交错连接，即相邻的连接螺栓方向相反。The lower rotating shaft of the clutch is connected to the coupling, and the lower rotating shaft drives the coupling to rotate; the coupling includes two half-couplings and diaphragms arranged symmetrically, and the two half-couplings and the diaphragms are alternately connected , that is, the adjacent connecting bolts are in opposite directions.
所述联轴器的下端连接蜗杆传动结构，蜗杆传动结构包括蜗杆、蜗轮以及输出轴，蜗杆通过联轴器与超越离合器下转轴相接，由下转轴带动蜗杆转动，蜗杆与蜗轮啮合，蜗轮与输出轴连接。The lower end of the coupling is connected to a worm drive structure, the worm drive structure includes a worm, a worm wheel and an output shaft, the worm is connected to the lower rotating shaft of the overrunning clutch through the coupling, and the lower rotating shaft drives the worm to rotate, the worm is engaged with the worm wheel, and the worm wheel is connected to the worm wheel. output shaft connection.
所述贯穿轴末端设有固定柱，固定柱上设有槽口，通过槽口与离合器连接。The end of the through shaft is provided with a fixing column, and the fixing column is provided with a notch, which is connected with the clutch through the notch.
所述传动结构设于固定框架内。The transmission structure is arranged in the fixed frame.
有益效果：与现有技术相比，本发明具有如下显著优点：Beneficial effects: Compared with the prior art, the present invention has the following significant advantages:
(1)本发明选用流致振动板作为绕流钝体，洋流绕过钝体时振动板双向摆动，板在水流中受到的阻力较小，板表面设有防腐涂层，可以减少对板的腐蚀，保证装置在水下的使用寿命。(1) The present invention selects the flow-induced vibration plate as the bluff body around the flow. When the ocean current bypasses the bluff body, the vibration plate oscillates in both directions. The resistance of the plate in the water flow is small, and the surface of the plate is provided with an anti-corrosion coating, which can reduce the damage to the plate. Corrosion, to ensure the service life of the device under water.
(2)本发明装置中加入超越离合器，振动板无论是顺时针还是逆时针摇转，离合器都能旋转带动发电机线圈切割磁感线发电，保证板在水下工作时，无论是顺时针还是逆时针摆动，离合器都会随之旋转，从而能够更大限度的对海流能进行捕获，获得更大的能量。(2) An overrunning clutch is added to the device of the present invention. Whether the vibrating plate is rotated clockwise or counterclockwise, the clutch can rotate to drive the generator coil to cut the magnetic field line to generate electricity, ensuring that when the plate works underwater, whether it is clockwise or counterclockwise Swing counterclockwise, the clutch will rotate along with it, so that the current energy can be captured to a greater extent and more energy can be obtained.
(3)该装置的安装简单，所需材料要求不高，且成本较低，容易获得较高的能量，能够较好地解决现有的鳗鱼式压电俘能装置对压电材料要求较高且对海流能利用效率不高的问题。(3) The installation of the device is simple, the required materials are not high, and the cost is low, and it is easy to obtain higher energy, which can better solve the existing eel-type piezoelectric energy harvesting device. The higher requirements for piezoelectric materials And the problem of inefficient utilization of ocean current energy.
(4)采用两个伺服电机进行发电，由于不同时发电，可以利用产生的相位差来平衡电势，保证设备发电的稳定性。(4) Two servo motors are used for power generation. Since they do not generate power at the same time, the generated phase difference can be used to balance the potential to ensure the stability of the power generation of the equipment.
附图说明Description of drawings
图1为现有结构示意图；1 is a schematic diagram of an existing structure;
图2为本发明的结构示意图；Fig. 2 is the structural representation of the present invention;
图3为本发明的流致振动板结构示意图；3 is a schematic structural diagram of a fluid-induced vibration plate of the present invention;
图4为本发明离合器组合结构示意图；FIG. 4 is a schematic diagram of the clutch assembly structure of the present invention;
图5为本发明离合器拆分结构示意图；5 is a schematic diagram of the clutch disassembly structure of the present invention;
图6为本发明部件连接结构示意图；6 is a schematic diagram of the connection structure of the components of the present invention;
图7为本发明联轴器组合结构示意图；FIG. 7 is a schematic diagram of the combined structure of the coupling according to the present invention;
图8为本发明联轴器拆分结构示意图；8 is a schematic diagram of the split structure of the coupling of the present invention;
图9为本发明蜗杆传动结构组合结构示意图；9 is a schematic diagram of the combined structure of the worm drive structure of the present invention;
图10为本发明蜗杆传动结构拆分结构示意图；Figure 10 is a schematic diagram of the split structure of the worm drive structure of the present invention;
图11为本发明发电结构组合结构示意图；11 is a schematic diagram of the combined structure of the power generation structure of the present invention;
图12为本发发电结构拆分结构示意图；12 is a schematic diagram of the split structure of the power generation structure of the present invention;
图13为本发明内盘结构示意图。FIG. 13 is a schematic diagram of the structure of the inner disk of the present invention.
具体实施方式Detailed ways
下面结合附图对本发明的技术方案作进一步说明。The technical solutions of the present invention will be further described below with reference to the accompanying drawings.
如图2，本发明的一种尾翼式海流能流致振动双向摇转发电装置，包括固定框架1、流致振动板2、外壳3。所述流致振动板2竖向布置，流致振动板2内设有贯穿轴，该贯穿轴的两端设有离合器5，离合器5通过传动结构连接发电机结构8。传动结构包括两个联轴器6和联轴器间的蜗杆传动结构7。外壳3内放置离合器5，离合器5为滚柱式超越离合器。外壳3底部与固定框架焊接在一起，用于保护离合器，减少腐蚀。As shown in FIG. 2 , an empennage type ocean current energy flow-induced vibration bidirectional shaking power generator of the present invention includes a fixed frame 1 , a flow-induced vibration plate 2 , and a casing 3 . The fluid-induced vibration plate 2 is arranged vertically, and a through shaft is arranged in the fluid-induced vibration plate 2 , and clutches 5 are arranged at both ends of the through shaft. The clutch 5 is connected to the generator structure 8 through a transmission structure. The transmission structure includes two couplings 6 and a worm transmission structure 7 between the couplings. A clutch 5 is placed in the housing 3, and the clutch 5 is a roller type overrunning clutch. The bottom of the shell 3 is welded with the fixed frame to protect the clutch and reduce corrosion.
如图3所示，所述的流致振动板2上表面为流线型或斜面，一端为圆柱形。内侧圆柱面上轴向设有固定柱4，固定柱4内里设置有槽口，固定柱4与滚柱式超越离合器5通过键连接，使板2和离合器5可以一起摇转。As shown in FIG. 3 , the upper surface of the fluid-induced vibration plate 2 is streamlined or inclined, and one end is cylindrical. A fixed column 4 is axially provided on the inner cylindrical surface, and a notch is arranged inside the fixed column 4. The fixed column 4 is connected with the roller type overrunning clutch 5 by a key, so that the plate 2 and the clutch 5 can be rotated together.
如图4、5所示，所述的滚柱式超越离合器5包括上转轴9，外盘10，内盘11以及下转轴12。上转轴9顶部通过键与固定柱4相接，底部与外盘10焊接在一起，从而带动外盘10同时旋转。下转轴12与内盘11焊接，通过其内盘11旋转带动下转轴12旋转。在本实施例中，如图13所示，内盘11包括爪轮15，爪轮设有楔槽，槽内设有滚柱13以及连接滚柱与爪轮的弹簧顶杆14。弹簧顶杆14设于槽的侧壁，保证滚柱13随内外盘转动而沿指定方向运动。具体而言，外盘10沿顺时针转动，滚柱13受到摩擦力作用被楔紧在楔槽内，从而爪轮15随外盘10同方向顺时针转动，从而带动下转轴12旋转。当外盘10沿逆时针方向旋转时，滚柱13被带到槽中较宽敞的部分，从而不被楔紧在槽内，因此外盘10不能带动爪轮15转动，因此离合器5处于分离状态，从而不能带动下转轴12旋转，转轴12静止，外盘正常旋转。As shown in FIGS. 4 and 5 , the roller type overrunning clutch 5 includes an upper rotating shaft 9 , an outer disk 10 , an inner disk 11 and a lower rotating shaft 12 . The top of the upper rotating shaft 9 is connected with the fixed column 4 through a key, and the bottom is welded with the outer disk 10, thereby driving the outer disk 10 to rotate at the same time. The lower shaft 12 is welded with the inner disk 11 , and the rotation of the inner disk 11 drives the lower shaft 12 to rotate. In this embodiment, as shown in FIG. 13 , the inner disc 11 includes a claw wheel 15 , the claw wheel is provided with a wedge groove, and a roller 13 and a spring ejector rod 14 connecting the roller and the claw wheel are arranged in the groove. The spring ejector rod 14 is arranged on the side wall of the groove to ensure that the roller 13 moves in a designated direction with the rotation of the inner and outer disks. Specifically, when the outer disk 10 rotates clockwise, the rollers 13 are wedged in the wedge groove by frictional force, so that the claw wheel 15 rotates clockwise with the outer disk 10 in the same direction, thereby driving the lower shaft 12 to rotate. When the outer disc 10 rotates in the counterclockwise direction, the rollers 13 are brought to the wider part of the groove, so as not to be wedged in the groove, so the outer disc 10 cannot drive the claw wheel 15 to rotate, so the clutch 5 is in a disengaged state, thereby The lower rotating shaft 12 cannot be driven to rotate, the rotating shaft 12 is stationary, and the outer disk rotates normally.
如图7、8所示，所述的弹性膜片联轴器6包括两半联轴器61，膜片62，六个螺栓63以及六个螺帽63。两半联轴器61通过螺栓63与膜片62交错连接， 即相邻螺栓方向相反，通过螺帽63进行锁死固定。联轴器6与离合器下转轴12连接，随转轴12同频率转动，联轴器6靠膜片62的弹性变形来补偿所联两轴的相对位移。As shown in FIGS. 7 and 8 , the elastic diaphragm coupling 6 includes two half couplings 61 , a diaphragm 62 , six bolts 63 and six nuts 63 . The two halves of the coupling 61 are alternately connected to the diaphragm 62 through bolts 63 , that is, the adjacent bolts are in opposite directions, and are locked and fixed through nuts 63 . The coupling 6 is connected with the lower rotating shaft 12 of the clutch, and rotates with the rotating shaft 12 at the same frequency. The coupling 6 compensates the relative displacement of the two connected shafts by the elastic deformation of the diaphragm 62 .
如图9、10所示，所述的蜗杆传动结构7包括蜗杆20、蜗轮21以及输出轴22。蜗杆20通过联轴器6与超越离合器下转轴12相接，当离合器下转轴12旋转时通过联轴器6带动蜗杆20旋转。蜗杆20通过螺旋齿与蜗轮21啮合。蜗轮21与输出轴22通过键相接，当蜗轮21转动时，输出轴22一起转动。As shown in FIGS. 9 and 10 , the worm drive structure 7 includes a worm 20 , a worm wheel 21 and an output shaft 22 . The worm 20 is connected to the lower rotating shaft 12 of the overrunning clutch through the coupling 6, and when the lower rotating shaft 12 of the clutch rotates, the worm 20 is driven to rotate through the coupling 6. The worm 20 meshes with the worm wheel 21 through helical teeth. The worm gear 21 and the output shaft 22 are connected by a key, and when the worm gear 21 rotates, the output shaft 22 rotates together.
如图11、12所示，所述的发电机结构8包括伺服电机28、转轴27、固定板23以及四个螺栓24和四个螺帽25。固定板23侧面一面与固定框架1内部焊接在一起，伺服电机28通过螺栓24依次穿过通孔26、29，运用螺帽25固定在固定板23上，从而固定在固定框架1内。As shown in FIGS. 11 and 12 , the generator structure 8 includes a servo motor 28 , a rotating shaft 27 , a fixing plate 23 , four bolts 24 and four nuts 25 . The side surface of the fixing plate 23 is welded with the interior of the fixing frame 1 . The servo motor 28 passes through the through holes 26 and 29 in sequence through the bolts 24 , and is fixed on the fixing plate 23 by the nut 25 , thereby being fixed in the fixing frame 1 .
如图3所示，所述流致振动板2两端都通过固定柱4与滚柱式超越离合器5上转轴9相接。设水流通过板2使板2向顺时针方向转动时，一侧的离合器5的外盘10通过上转轴9随之进行顺时针转动，从而带动下转轴12顺时针转动。因此驱动蜗杆传动结构7转动，通过输出轴22与联轴器6的连接带动伺服电机28转轴27转动，切割磁感线进行发电。此时对于另一侧的离合器5’的外盘10’来说，随上转轴9’进行逆时针旋转，此时离合器5’处于分离状态，因此不能带动下转轴12’旋转，此时下转轴12’静止，从而蜗杆传动结构7’不旋转，伺服电机28’不发电。同理若水流经过板2使板2向逆时针方向转动时，一侧的伺服电机28发电，另一侧的不发电。As shown in FIG. 3 , both ends of the fluid-induced vibration plate 2 are connected to the upper rotating shaft 9 of the roller type overrunning clutch 5 through the fixed column 4 . When water flows through the plate 2 to make the plate 2 rotate clockwise, the outer disc 10 of the clutch 5 on one side rotates clockwise through the upper rotating shaft 9, thereby driving the lower rotating shaft 12 to rotate clockwise. Therefore, the worm drive structure 7 is driven to rotate, and the connection between the output shaft 22 and the coupling 6 drives the rotation shaft 27 of the servo motor 28 to rotate, cutting the magnetic field line to generate electricity. At this time, for the outer disc 10' of the clutch 5' on the other side, it rotates counterclockwise with the upper shaft 9'. At this time, the clutch 5' is in a disengaged state, so it cannot drive the lower shaft 12' to rotate. At this time, the lower shaft 12' At rest, the worm drive structure 7' does not rotate, and the servo motor 28' does not generate electricity. Similarly, if the water flows through the plate 2 to rotate the plate 2 counterclockwise, the servo motor 28 on one side will generate electricity, and the one on the other side will not generate electricity.
如图11所示，所述的伺服电机28底座上有一接口结构30。当一侧电机28发电，另一侧电机28’不发电时，两侧会产生相位差，通过两侧接口30稳压装置。As shown in FIG. 11 , there is an interface structure 30 on the base of the servo motor 28 . When the motor 28 on one side generates electricity and the motor 28' on the other side does not generate electricity, a phase difference will be generated on both sides, and the voltage stabilizing device will be passed through the interface 30 on both sides.
本发明安装到位后，无论洋流从任何方向流向摆板，摆板一定会在垂直于来流方向发生摇转，该振动通过固定柱传递给滚柱式离合器，离合器将振动以旋转的形式传递给电机，切割磁感线产生电流。当涡流在流致振动板不同侧泄放时，水流的作用力交替变化，导致板双向摇转。当板顺时针旋转时，板上侧的离合器收弹簧立作用，产生摩擦自锁咬合传动轴旋转，带动上侧伺服电机发动，此时下侧的离合器处于分离状态，不会带动电机发电。当板逆时针旋转时，则下侧电机产生电流。该性质会使板上下两端的产生相位差。利用该相位差进行平衡电势。After the present invention is installed in place, no matter the ocean current flows to the swing plate from any direction, the swing plate will surely shake in the direction perpendicular to the incoming flow, the vibration is transmitted to the roller clutch through the fixed column, and the clutch transmits the vibration in the form of rotation to The motor, which cuts the magnetic field lines, produces an electric current. When the eddy current is released on different sides of the flow-induced vibration plate, the force of the water flow changes alternately, causing the plate to rotate in both directions. When the plate rotates clockwise, the clutch on the upper side of the plate receives the spring action, which produces frictional self-locking and engages the drive shaft to rotate, which drives the upper servo motor to start. At this time, the lower clutch is in a disengaged state and does not drive the motor to generate electricity. When the plate rotates counterclockwise, then the lower motor produces current. This property will cause a phase difference between the upper and lower ends of the board. The potentials are balanced using this phase difference.
由于潜艇速度快慢变化，装置所处流场也是非定常场，因此流致振动板产生的摆动幅度是一个不规律的值，同时频率也随着时间不断改变，产生的电流也是 一个频率不一致的交流电流，故通过整流电路进行过滤，再经过变压电路将不同大小的电压统一，对潜艇等深海设备上的电池进行充电。Since the speed of the submarine changes, the flow field where the device is located is also an unsteady field, so the vibration amplitude of the vibrating plate caused by the flow is an irregular value, and the frequency also changes with time, and the generated current is also an AC with inconsistent frequency. The current is filtered by the rectifier circuit, and then the voltages of different sizes are unified through the transformer circuit to charge the batteries on deep-sea equipment such as submarines.

Claims (10)

  1. 一种尾翼式海流能流致振动双向摇转发电装置，其特征在于，包括固定框架(1)、流致振动板(2)、离合器(5)，所述流致振动板(2)内设有贯穿轴，该贯穿轴的两端设有离合器(5)；所述离合器(5)通过传动结构连接发电机结构(8)。A tail-wing type ocean current energy flow-induced vibration two-way shaking power transfer device, characterized in that it comprises a fixed frame (1), a flow-induced vibration plate (2), and a clutch (5), wherein the flow-induced vibration plate (2) is internally provided with There is a through shaft, and both ends of the through shaft are provided with clutches (5); the clutches (5) are connected to the generator structure (8) through a transmission structure.
  2. 根据权利要求1所述的尾翼式海流能流致振动双向摇转发电装置，其特征在于，所述流致振动板(2)上表面呈流线型或呈斜面。The empennage type ocean current energy flow-induced vibration two-way swaying power generator according to claim 1, characterized in that, the upper surface of the flow-induced vibration plate (2) is streamlined or inclined.
  3. 根据权利要求1所述的尾翼式海流能流致振动双向摇转发电装置，其特征在于，所述离合器(5)设于流致振动板两端的端部，流致振动板(2)的该端部呈圆柱形。The tail type ocean current energy flow-induced vibration two-way shaking power generator according to claim 1, characterized in that the clutch (5) is arranged at the ends of the two ends of the flow-induced vibration plate, and the flow-induced vibration plate (2) The ends are cylindrical.
  4. 根据权利要求1所述的尾翼式海流能流致振动双向摇转发电装置，其特征在于，所述离合器(5)包括上转轴(9)、外盘(10)、内盘(11)以及下转轴(12)；上转轴(9)顶部、底部分别与固定框架(1)和外盘(11)连接，外盘(10)和内盘(11)嵌套连接，下转轴(12)的顶部、底部分别与内盘(11)和固定框架(1)连接。The empennage type ocean current energy flow-induced vibration two-way shaking power generator according to claim 1, wherein the clutch (5) comprises an upper rotating shaft (9), an outer disk (10), an inner disk (11) and a lower rotating shaft ( 12); the top and bottom of the upper rotating shaft (9) are respectively connected with the fixed frame (1) and the outer disk (11), the outer disk (10) and the inner disk (11) are nested and connected, and the top and bottom of the lower rotating shaft (12) are respectively connected with the inner disk (11) is connected with the fixed frame (1).
  5. 根据权利要求4所述的尾翼式海流能流致振动双向摇转发电装置，其特征在于，所述内盘(11)包括爪轮(15)，爪轮(15)设有楔槽，槽内设有滚柱(13)以及连接滚柱(13)与爪轮(15)的弹簧顶杆(14)，弹簧顶杆(14)设于槽的侧壁。The tail-wing type ocean current energy flow-induced vibration bidirectional shaking and turning power generator according to claim 4, wherein the inner disk (11) comprises a claw wheel (15), and the claw wheel (15) is provided with a wedge groove, and the groove is provided with a claw wheel (15). There is a roller (13) and a spring top rod (14) connecting the roller (13) and the claw wheel (15), and the spring top rod (14) is arranged on the side wall of the groove.
  6. 根据权利要求1所述的尾翼式海流能流致振动双向摇转发电装置，其特征在于，所述传动结构包括两个联轴器(6)和联轴器(6)间的蜗杆传动结构(7)。The tail-wing type ocean current energy flow-induced vibration bidirectional shaking power generator according to claim 1, wherein the transmission structure comprises two couplings (6) and a worm transmission structure (6) between the couplings (6). 7).
  7. 根据权利要求6所述的尾翼式海流能流致振动双向摇转发电装置，其特征在于，所述离合器(5)的下转轴(12)连接联轴器(6)，由下转轴(12)带动联轴器(6)转动；所述联轴器(6)包括对称设置的两个半联轴器(61)和膜片(62)。The tail-type ocean current energy flow-induced vibration two-way shaking power generator according to claim 6, characterized in that the lower rotating shaft (12) of the clutch (5) is connected to the coupling (6), and the lower rotating shaft (12) is connected to the coupling (6). The coupling (6) is driven to rotate; the coupling (6) includes two half couplings (61) and a diaphragm (62) which are symmetrically arranged.
  8. 根据权利要求6所述的尾翼式海流能流致振动双向摇转发电装置，其特征在于，所述联轴器(6)的下端连接蜗杆传动结构(7)，蜗杆传动结构(7)包括蜗杆(20)、蜗轮(21)以及输出轴(22)，蜗杆(20)通过联轴器(6)与超越离合器下转轴(12)相接，由下转轴带动蜗杆转动，蜗杆(20)与蜗轮(21)啮合，蜗轮(21)与输出轴(22)连接。The tail type ocean current energy flow-induced vibration two-way shaking power generator according to claim 6, wherein the lower end of the coupling (6) is connected to a worm drive structure (7), and the worm drive structure (7) includes a worm drive (20), a worm gear (21) and an output shaft (22), the worm (20) is connected to the lower shaft (12) of the overrunning clutch through the coupling (6), and the lower shaft drives the worm to rotate, and the worm (20) is connected to the worm gear (21) mesh, and the worm gear (21) is connected with the output shaft (22).
  9. 根据权利要求1所述的尾翼式海流能流致振动双向摇转发电装置，其特征在于，所述贯穿轴末端设有固定柱(4)，固定柱(4)上设有槽口，通过槽口与离合器(5)连接。The tail type ocean current energy flow-induced vibration two-way swaying power generator according to claim 1, characterized in that, the end of the through shaft is provided with a fixed column (4), and the fixed column (4) is provided with a notch, through which the groove is provided. The port is connected to the clutch (5).
  10. 根据权利要求1所述的尾翼式海流能流致振动双向摇转发电装置，其特征在于，所述传动结构设于固定框架(1)内。The empennage-type ocean current energy flow-induced vibration bidirectional shaking and turning power generator according to claim 1, characterized in that, the transmission structure is arranged in the fixed frame (1).
PCT/CN2021/109184 2020-11-27 2021-07-29 Tail fin type power generation device employing bidirectional rotation of flow induced vibration means to capture ocean current energy WO2022110859A1 (en)

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