CN213684380U

CN213684380U - Wave flow integrated array suspension type power generation device

Info

Publication number: CN213684380U
Application number: CN202022503319.XU
Authority: CN
Inventors: 曹宇; 王宁; 刘紫嫣; 宋育泽; 唐小波
Original assignee: Shanghai Ocean University
Current assignee: Shanghai Ocean University
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-13
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a wave flow integrated array suspension type power generation device, which consists of a plurality of groups of wave flow type water turbines and an anchoring system; the method is characterized in that: each group of wave flow type water turbines is arranged on the bracket and comprises an impeller, a transmission connecting rod mechanism, a generator and a buoy; after the impeller rotates circumferentially, the generator is driven to generate electricity through the transmission connecting rod mechanism, the first group of buoys are installed on two sides of the support, and the wave flow type water turbine floats on the sea surface through the buoys. The utility model discloses set up a plurality of hydraulic turbines along wave direction of propagation, make each hydraulic turbine be in the wave action under different wave height, the wave phase place, provide the whole theory of stabilizing of capacitation of hydraulic turbine array, design a horizontal vertical axis suspension hydraulic turbine array innovatively, utilize reasonable spatial layout to acquire multi freedom's wave and trend ability.

Description

Wave flow integrated array suspension type power generation device

The technical field is as follows:

the utility model relates to an integrated power generation facility's technical field especially relates to a floated power generation facility of unrestrained integrated array and maximum power active control's strategy.

Background art:

because the wave and tidal current energy has wide distribution range and different space-time distribution, structures, frequencies and phases in different sea areas, the wave and tidal current energy is respectively researched and utilized at present both domestically and abroad, and the problems of low total conversion efficiency and poor reliability exist. At present, a standardized design and a matched parameterized design system for a suspended water turbine array are lacked.

In fact, in the development and utilization of ocean renewable energy, wave energy and tidal current energy are inseparable and interactive. Because the wave and tidal current power generation mechanisms are different, the power generation effect can be enhanced sometimes due to the interaction of the wave and the tidal current, and the power generation effect can be weakened sometimes, so that the conversion device is often in an off-design working condition or cannot generate power or even the power generation equipment is damaged.

Therefore, the research on the mutual integration action mechanism of the wave energy and the tidal current energy is a scientific problem to be solved urgently to realize the shaping and the large-scale popularization of the ocean energy power generation device.

The current offshore tidal current energy power generation device has the following defects:

1. the traditional tidal current energy suspension type power generation device is relatively single in structure, the generated power of the device is periodically changed in one period under the action of wave interference, and the generated power is difficult to be maintained in a relatively stable range under different sea conditions. The above reasons cause that the electric energy converted by the power generation device can not supply power for most devices which need relatively stable voltage to work, so that the power generation efficiency of the power generation device is reduced, and the usable range is very small.

2. At present, the research on offshore power generation devices mainly focuses on the experimental aspect of how to obtain energy, and the protection, the fixation and the utilization of the offshore power generation devices are rarely considered.

The utility model has the following contents:

the utility model discloses a solve above-mentioned problem, the utility model aims to solve: the floating type power generation device suitable for the offshore wave flow integrated array is provided, so that the floating type power generation device has relatively stable power, is suitable for more complex working environments, and is convenient to realize grid connection of electric energy.

The technical scheme of the utility model as follows: a wave flow integrated array suspension type power generation device comprises a plurality of groups of wave flow water turbines and an anchoring system; the method is characterized in that: each group of wave flow type water turbines is arranged on the bracket and comprises an impeller, a transmission connecting rod mechanism, a generator and a buoy; after the impeller rotates circumferentially, the generator is driven to generate electricity through the transmission connecting rod mechanism, the first group of buoys are installed on two sides of the support, and the wave flow type water turbine floats on the sea surface through the buoys.

In one embodiment, the transmission link mechanism comprises a transmission link, a first end of the transmission link is movably connected with the rotating shaft of the impeller, a second end of the transmission link is movably connected with the rotating shaft of the generator coil, the rotating shaft of the impeller is connected with the impeller through a connecting part, and two ends of the impeller and two ends of the generator coil are respectively provided with a group of transmission links.

In one embodiment, the two sets of drive links on either side of the impeller are angularly separated by 180 °.

In one embodiment, a plurality of groups of wave-flow water turbines are arrayed, a first group of adjacent wave-flow water turbines are connected through universal connecting rods, and the universal connecting rods are basically consistent with the wave direction; the second group of adjacent wave-flow water turbines are connected through fixed connecting rods, and the fixed connecting rods are basically vertical to the wave direction.

In one embodiment, the mooring system comprises a mooring system buoy, a chain and a tie-down anchor; the fixed anchor is arranged on the seabed and is connected with the second group of floating cylinders through anchor chains, and the second group of floating cylinders are connected with the group of wave-flow water turbines through device fixing rods.

In one embodiment, the universal joint is connected between the universal connecting rod and the wave turbine or between the second group of buoys and the device fixing rod through a universal joint.

In one embodiment, the centrifugal fan further comprises a support frame, the impeller is connected with the support frame through the support frame and provides support for the impeller, and a rotating shaft of the impeller is a crankshaft.

In one embodiment, the universal joints of the second set of buoys are connected to the device securing lever via a mooring system interface.

In one embodiment, the waves are vertically applied to the impeller by adjusting the angle of the cardan shaft on the cardan joint, so that the maximum power generation efficiency is obtained.

In one embodiment, each group of the wave-flow water turbines is arranged at a certain distance and is in a rectangular array as a whole.

In one embodiment, the device for controlling and managing the power supply module is also comprised, and comprises an antenna, a storage battery, a microcomputer and interfaces for various functions.

Compared with the prior art, the utility model the main advantage or positive effect that have are:

1) the problems of low total energy obtaining efficiency, high starting speed requirement, poor energy obtaining stability, strong fluctuation and the like of the traditional suspended vertical shaft water turbine under the combined action of wave flow are solved. The utility model discloses set up a plurality of hydraulic turbines along wave direction of propagation, make each hydraulic turbine be in the wave action under different wave height, the wave phase place, provide the whole theory of stabilizing of capacitation of hydraulic turbine array, design a horizontal vertical axis suspension hydraulic turbine array innovatively, utilize reasonable spatial layout to acquire multi freedom's wave and trend ability.

2) The integration devices with different scales are properly integrated under different working conditions, and the connecting device of the wave flow type water turbine 001 has high interchangeability. Can set up different length with universal joint pole and fixed link under different operational environment in order to obtain the biggest generating efficiency.

3) The innovative tidal current energy power generation equipment integrated system is designed, the influence of the structure on the water flow resistance is small, and the stable structure can be ensured. The connecting rod and the device fixing rod are made of materials with the characteristics of light weight, wear resistance, corrosion resistance, durability and the like. And the outer surface of the steel pipe is painted and rustproof.

4) The power generation equipment needs to be cleaned regularly to prevent marine organisms from attaching and hindering the flow of the water body. Prevent floating garbage on the sea from being drawn into the power generation rotating equipment and being wound to damage the power generation device. The device part kind is less relatively, and the problem between the part is less relatively appears, and the maintenance clearance degree of difficulty is lower.

5) A plurality of wave flow type water turbines are integrated to generate power, a power grid-connected device is arranged while the power is relatively stable, and electric energy enters an interface to reach a power grid through the adjustment of a converter. The electric power is transmitted to the energy storage power station through the power grid transportation, and is transmitted into the interface through the converter, and enters the energy storage power station to finish the storage of the electric energy.

6) The controller can be used for controlling all the module devices in a centralized manner, so that intelligent remote monitoring is realized. And the data of the monitoring equipment is regularly sent to the land, so that the conditions of corresponding sea area environment and the like can be conveniently researched.

Description of the drawings:

fig. 1 is a schematic view of an overall structure of a wave flow integrated array suspended power generation device according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial installation of a wave turbine according to an embodiment of the present invention;

fig. 3 is a partial enlarged view of the interface between the mooring system and the wave turbine according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of a universal joint of a wave turbine according to an embodiment of the present invention;

fig. 5 is a front view of a wave turbine according to an embodiment of the present invention;

fig. 6 is a schematic view of a double parallelogram transmission mechanism according to an embodiment of the present invention;

fig. 7 is a schematic diagram of an operation of a power grid connection circuit according to an embodiment of the present invention.

In the illustration:

001 wave flow type water turbine

101 impeller

102 electric generator

103 drive link

104 bearing bush

105 control and power management module

201 support frame

202 support

203 buoy

204 universal joint

205 fixed connecting rod

206 universal connecting rod

301 device fixing lever

302 mooring system interface

303 mooring system universal joint

401 mooring system buoy

402 anchor chain

403 anchor

106 impeller shaft

107 connecting part

108 generating coil rotating shaft

109 generator coil

The specific implementation mode is as follows:

the following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 in combination with fig. 2-7, the utility model discloses a wave current integrated array suspended power generation device, which comprises a wave current water turbine 001, an impeller 101, a generator 102, a transmission link 103, a bearing bush 104, a control and power management module 105, a rotating shaft 106 of the impeller, a connecting component 107, a rotating shaft 108 of a generator coil, a generator coil 109, a supporting frame 201, a bracket 202, a buoy 203, a universal joint 204, a fixed connecting rod 205, a universal connecting rod 206, a device fixing rod 301, an anchoring system interface 302, an anchoring system universal joint 303, an anchoring system buoy 401, an anchor chain 402 and a fixed anchor 403.

In the wave current integrated array suspension type power generation device, one wave current water turbine is connected with a device fixing rod 301 through a universal joint 204; the device fixing rod 301 is connected with the anchoring system through an anchoring system interface 302; mooring system interface 302 is connected to mooring system gimbal 303; the mooring system universal joint 303 is assembled on the mooring system buoy 401; the anchor chain 402 is connected with the mooring system buoy 401 and is also connected with the fixed anchor 403; the anchor 403 is inserted on the seabed. The wave flow type water turbines 001 vertical to the water waves are connected together through fixed connecting rods 205, and the fixed connecting rods 205 are fixed on the floating pontoon 203; the wave-flow water turbine 001 in the water wave direction is connected through a universal connecting rod 206, and the universal connecting rod 206 is connected with a universal joint 204 at a corresponding position; the universal joint 204 is assembled with the wave flow turbine 001; the wave-flow water turbine 001 floats on the sea surface by the buoys 203 on the two sides; the buoy 203 is assembled with the bracket 202 through a connecting device; the supporting frame 201 is assembled with the bracket 202 through a connecting device; the impeller 101 is positioned below the supporting frame 201, the generator 102 is arranged in the wave flow type water turbine, and the generator 102 is connected with a threaded hole at a fixed position and is in screw connection with the bracket 202; the impeller 101 is connected with the supporting frame through a through hole on the supporting frame 201, the rotating shaft 106 of the impeller is designed as a crankshaft and is assembled with the transmission connecting rod 103, and meanwhile, the transmission connecting rod 103 is assembled with the generating coil rotating shaft 108 to complete power transmission.

The beneficial effects of the utility model reside in that:

It is understood that in the embodiment of the wave current integrated array suspended power generation device, the wave current integrated water turbine component supporting device is a bracket 202, a plurality of rectangular pipes are used for welding (refer to fig. 2), and a bracket of a universal shaft required by a component universal joint 204 is welded. The impeller 101 is mounted on the supporting frame 201, and then the rotating shaft 106 of the impeller and the assembly of the supporting frame 201 are mounted in the bracket 202.

The pontoons 203 may be mounted on both sides of the frame 202. According to the actual need, the number and arrangement of the wave flow type water turbines are adjusted, and the universal joints 204 with corresponding numbers are installed at corresponding positions. The device fixing rod 302 is completely assembled with the gimbal 204 at the desired position (refer to fig. 3). Each universal connecting rod 206 can also be assembled with each universal joint 204, and the fixed connecting rod 205 is mounted on the corresponding position of the buoy 203. The assembly of the whole wave flow integrated array suspension type power generation device is completed by connecting the wave flow water turbine 001 and the anchoring system through the device fixing rod 301.

The utility model discloses the function branch that each subassembly realized is as follows:

1. the impeller 101 is the working system of the whole device, and under the combined action of wave current and with the continuous alternation of wave crests and wave troughs, the seawater intermittently gushes into the impeller structure and causes the forced movement of the water turbine. The impeller 101 is connected with a transmission connecting rod 103, and the motion is simultaneously transmitted to the transmission connecting rod 103 in the process of circular motion of the impeller 101.

2. The transmission link 103 is a power hull device for transmitting power from the impeller 101 to the generator 102, and the phase difference of two sets of parallelogram four-bar transmission mechanisms on both sides of the impeller 101 is 180 degrees, so that the transmission stability is ensured, the stress concentration in the power transmission period of the device is eliminated, and the problem of an anti-parallelogram mechanism in one set of parallelogram four-bar transmission mechanisms is solved.

3. The support frame 201 is indirectly connected with the impeller 101, provides support for the impeller 101, and ensures that the impeller 101 has a relatively stable dynamic working environment in work.

4. The bracket 202 is the main support device for several parts on the wave turbine.

5. Since the working environment of the whole installation is the sea surface, the buoy 203 is connected to the bracket 202, and the installation fixing rod 301 is connected to the anchoring system so that all the installations float on the sea surface.

6. Each wave flow type water turbine of the wave integrated array suspension type power generation device is located at different positions in work, and the positions of each wave flow type water turbine are constantly changed in the process that seawater intermittently surges into an impeller structure.

7. The universal shaft of the universal joint provides the largest position change space for each wave-flow water turbine so as to prevent the huge energy of waves from tearing the device, limit a certain rotation angle and prevent the device parts from interfering the collision of the wave-flow water turbines.

8. The universal connecting rod 206 and the fixed connecting rod 205 are connected with adjacent wave-type water turbines, so that a certain distance is ensured between the wave-type water turbines, a plurality of wave-type water turbines are ensured to be positioned at different positions of a wave in a wave period, the whole power generation efficiency is ensured to be relatively stable, and the distance between the wave-type water turbines is prevented from being too short.

9. The device fixing lever 301 is also connected to the gimbal 204 using a gimbal connection (refer to fig. 3). The waves have different directions at different stages, and the cardan shaft angle can be adjusted so that the waves always act perpendicularly on the impeller 101 to obtain maximum power generation efficiency.

10. The anchoring device mainly comprises a fixed anchor 403, an anchor chain 402, an anchoring device buoy 401 and the like. The fixed anchor 403 is inserted on the seabed, one end of the anchor chain 402 is tied on the fixed anchor 403, and the other end is tied on the anchoring device buoy 401, and the fixed anchor 403 and the anchoring device buoy 401 are connected; the main function of the anchoring device buoy is to fix the sea surface working device, and the anchoring device buoy is connected with a device needing to be fixed in position through a universal shaft mechanism and a connector on the anchoring device buoy.

11. The main devices of the control and power management module are an antenna, a storage battery, a microcomputer, interfaces with various functions and the like. The antenna can transmit information signals related to the working state of the device and receive control signals; the storage battery stores the electric energy converted by the power generation device, provides power for the control module and provides necessary preparation for grid connection of the electric energy; a microcomputer with a built-in cpu, an integrated control panel, an interface, etc.; the electric energy interface is connected with a power grid through a converter and transmits electric energy; and the instantaneous power and the electric quantity of the storage battery are subjected to micro-calculation to be combined with an energy storage power station control signal, so that the current is controlled by the converter to adjust the current to meet the transportation requirement of the power grid.

The working principle of the embodiment is as follows:

1. the wave flow is vertically acted on the impeller by the adjusting device fixing rod 301, under the combined action of the wave flow and the continuous alternation of wave crests and wave troughs, the seawater intermittently gushes into the impeller structure, the forced movement of the water turbine is caused, the flow guide cover is provided with the power generation device, and the conversion from wave flow energy to electric energy is completed in the process of circular movement of the impeller.

2. The device is internally provided with a plurality of wave-flow water turbines, each wave-flow water turbine is positioned at different phases of the waves in one wave-flow period on the sea surface, and each water turbine has different instantaneous power generation efficiency. The wave flow energy power generation equipment integrated system ensures that the whole device has relatively stable instantaneous power under the action of a wave flow period, and the electric energy is further converted by the electric energy conversion device to meet the requirement of power transmission.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A wave flow integrated array suspension type power generation device comprises a plurality of groups of wave flow water turbines and an anchoring system; the method is characterized in that: each group of wave flow type water turbines is arranged on the bracket and comprises an impeller, a transmission connecting rod mechanism, a generator and a buoy; after the impeller rotates circumferentially, the generator is driven to generate electricity through the transmission connecting rod mechanism, the first group of buoys are installed on two sides of the support, and the wave flow type water turbine floats on the sea surface through the buoys.

2. The power generation apparatus of claim 1, wherein: the transmission connecting rod mechanism comprises a transmission connecting rod, the first end of the transmission connecting rod is movably connected with the rotating shaft of the impeller, the second end of the transmission connecting rod is movably connected with the rotating shaft of the generator coil, the rotating shaft of the impeller is connected with the impeller through a connecting part, and a group of transmission connecting rods are respectively arranged at the two ends of the impeller and the two ends of the generator coil.

3. The power generation apparatus of claim 2, wherein: the angular phase difference between the two groups of transmission connecting rods on the two sides of the impeller is 180 degrees.

4. A power plant according to claim 3, characterized in that: the wave-flow water turbines are arrayed, a first group of adjacent wave-flow water turbines are connected through universal connecting rods, and the universal connecting rods are basically consistent with the wave direction; the second group of adjacent wave-flow water turbines are connected through fixed connecting rods, and the fixed connecting rods are basically vertical to the wave direction.

5. The power generation apparatus of claim 4, wherein: the anchoring system comprises an anchoring system buoy, an anchor chain and a fixed anchor; wherein the content of the first and second substances,

the fixed anchor is arranged on the seabed and is connected with a second group of floating cylinders through anchor chains, and the second group of floating cylinders are connected with the group of the wave-flow water turbines through device fixing rods.

6. The power generation apparatus of claim 5, wherein: the universal connecting rod is connected with the wave flow water turbine or the second group of buoys is connected with the device fixing rod through a universal joint.

7. The power generation apparatus of claim 6, wherein: the impeller is connected with the bracket through the support frame and provides support for the impeller; the rotating shaft of the impeller is a crankshaft.

8. The power generation apparatus of claim 7, wherein: and the universal joints of the second group of buoys are connected with the device fixing rod through anchoring system interfaces.

9. The power generation apparatus according to any one of claims 6 to 8, wherein: the waves vertically act on the impeller through the angle adjustment of the universal shaft on the universal joint, and the maximum power generation efficiency is obtained.

10. The power generation apparatus of claim 9, wherein: each group of wave-flow water turbines are arranged at a certain distance and are integrally rectangular in array.

11. The power generation apparatus of claim 10, wherein: the device also comprises a device for controlling and managing the power module, and comprises an antenna, a storage battery, a microcomputer and interfaces with various functions.