Wave rectification and filtering system

Abstract

The present invention discloses a wave rectification and filtering system, comprising a wave collecting device, a wave transmission device, a rectification and filtering device, an energy conversion device, a floating and sinking device, and an anchoring device; the flow channel of the wave collecting device gradually narrows from a wave collecting port to a wave collecting output port, the wave transmission device is connected to the wave collecting output port of the wave collecting device, the rectification and filtering device and the energy conversion device are sequentially arranged on the wave transmission device according to the wave flow direction, the wave collecting device and the wave transmission device are both connected to the floating and sinking device, and the anchoring device is connected to the wave collecting device. The system is provided with a wave collecting device with a gradually narrowing flow channel to accelerate waves, and the rectification and filtering device to rectify and filter waves, which is conducive to smooth energy conversion and improves conversion efficiency.

Description

Technical Field

[0001] The present invention relates to the field of energy conversion, and in particular to a wave rectification and filtering system. Background Art

[0002] As humans continue to develop and utilize coal, natural gas and other petrochemicals to obtain energy, they are also causing pollution to the earth's atmosphere and leading to global warming.

[0003] Against this backdrop, countries around the world are seeking environmentally friendly, renewable, clean energy sources. These include nuclear energy, wind power, solar energy, and geothermal energy. Nuclear energy, among other things, requires national strength to develop. my country has achieved the most success in this area, including with its artificial sun project, which has already achieved a breakthrough. This promises to be an inexhaustible source of energy for humanity, and is well worth the wait.

[0004] Geothermal energy has also been developed abroad, but with limited success. Wind and solar power also have the advantage of being ubiquitous. However, this also has its drawbacks: their widespread distribution leads to low efficiency in converting them into electricity, and their contribution to electricity supply is relatively small.

[0005] While we've listed so many renewable, clean energy sources, there's one that hasn't been extensively developed by humanity: tidal energy. Tidal energy represents the largest and most concentrated source of potential and kinetic energy on Earth. It's powered by wind, ocean currents, tides caused by the gravitational pull of planetary motion, and energy generated by crustal movement.

[0006] Tidal energy or wave energy can be obtained in large quantities, is renewable and environmentally friendly, and utilizing tidal energy or wave energy is a future development trend. However, the conversion efficiency of existing energy conversion devices is low, making it difficult to be widely used. Summary of the Invention

[0007] The object of the present invention is to provide a wave rectification and filtering system, which is provided with a wave collecting device with a gradually narrowing flow channel to accelerate the waves, and the rectification and filtering device to rectify and filter the waves, which is conducive to the smooth conversion of energy and improves the conversion efficiency, thereby solving the problem of low conversion efficiency of existing tidal energy conversion devices such as wave energy.

[0008] To achieve this object, the present invention adopts the following technical solutions:

[0009] Wave rectification and filtering system, including wave collecting device, wave transmission device, rectification and filtering device, energy conversion device, floating and sinking device and anchoring device;

[0010] The flow channel of the wave collecting device gradually narrows from the wave collecting port to the wave collecting outlet;

[0011] The wave transmission device is connected to the wave collecting output port of the wave collecting device;

[0012] The rectifier and filter device and the energy conversion device are sequentially arranged on the wave transmission device according to the wave flow direction;

[0013] The wave collecting device and the wave conveying device are both connected with a floating and sinking device;

[0014] The anchoring device is connected to the wave gathering device.

[0015] Thus, the wave collecting device can collect waves. In the process of waves flowing from the wider wave collecting inlet to the narrower wave collecting outlet, on the one hand, due to the gradual narrowing of the flow channel, the waves gradually converge towards the wave collecting outlet of the flow channel. On the other hand, the waves continuously flow forward and flow into the wave collecting inlet, pushing the waves in the flow channel to flow forward, so that the waves in the gradually narrowing flow channel are subjected to the action of forward thrust, thereby forming a higher forward-pushing water pressure, prompting the waves to accelerate out of the wave collecting outlet in a jet-like manner and flow into the wave delivery device.

[0016] Because the space at the wave-collecting outlet is relatively narrow and is subject to the thrust of the waves, the waves must accelerate as they flow through the outlet to ensure that a similar amount of water can flow through them at the same time. This allows the waves to have more concentrated energy after acceleration, better able to drive the impellers of the energy conversion device, thereby improving energy conversion efficiency. In particular, when the wave velocity is low and it is difficult to effectively drive the impellers, the wave-collecting device can accelerate the waves, better driving the impellers to rotate. This allows the system to be applied regardless of the speed of the waves, thus increasing its applicability.

[0017] The rectifier and filter device can smooth the waves to a certain extent, reduce the wave height, and make the energy conversion smoother;

[0018] The energy conversion device can convert the flow kinetic energy of the waves into rotational kinetic energy;

[0019] The floating and sinking device can float the wave collecting device and the wave transmission device on the water surface or in the water, that is, the position of the system can be adjusted according to the wave conditions, or the system can be sunk in the water during natural disasters such as typhoons;

[0020] The anchoring device is placed on the bottom of the water to fix the position of the wave gathering device and the wave transmission device;

[0021] The entire system can accelerate waves, improve energy conversion efficiency, and has rectification and filtering functions, which is conducive to smooth energy conversion and output, solving the problem of low conversion efficiency of existing tidal energy conversion devices such as wave energy.

[0022] In some embodiments, the flow channel of the wave collecting device is provided with a wave collecting side wall that gradually narrows toward the wave collecting output port; and the wave collecting device is hinged to the wave conveying device.

[0023] Thus, the narrowing wave-gathering channel is formed by the gradually narrowing wave-gathering sidewalls, and the wave-gathering device is hingedly connected to the wave-transporting device, which is conducive to adapting to the wave water surface.

[0024] In some embodiments, the side walls and the bottom wall of the wave collecting outlet are hingedly connected with wave collecting connecting plates.

[0025] Thus, the hinged wave gathering connecting plate is used to connect the connection between the wave gathering device and the wave transmission device, so that the wave gathering device and the wave transmission device can effectively transmit waves even when they are floating on the waves.

[0026] In some embodiments, the wave gathering device comprises a first wave gathering portion, a second wave gathering portion and a third wave gathering portion that are hinged in sequence;

[0027] The flow passage outlets of the first wave collecting part, the second wave collecting part and the third wave collecting part are all hinged with wave collecting connecting plates, and the flow passages of the three parts are all provided with wave collecting side walls that gradually narrow towards the wave collecting outlet;

[0028] The bottoms of the first wave gathering part, the second wave gathering part and the third wave gathering part are all provided with wave gathering steel frames, and both sides of the wave gathering steel frames are connected with floating and sinking devices.

[0029] Thus, the first wave collecting part, the second wave collecting part and the third wave collecting part are hinged in sequence to form a wave collecting device. The hinged structure can float better in the waves. The three are connected with wave collecting connecting plates to make the connection between the flow channels smoother, which is conducive to the transmission of waves. The setting of the wave collecting steel frame can improve the strength of the wave collecting part and is also convenient for connection with the floating and sinking device.

[0030] In some embodiments, the rectifying and filtering device is provided with a rectifying and filtering board with adjustable inclination.

[0031] Therefore, the rectifier filter board is used to smooth the wave height, which can achieve a certain rectification and filtering effect, making the energy conversion process smoother; the inclination-adjustable structure can increase the application range of the rectifier filter board and better adapt to different environments.

[0032] In some embodiments, one end of the rectifying and filtering board close to the wave collecting device is rotatably connected to the rectifying base, and one end of the rectifying and filtering board away from the wave collecting device is rotatably connected to the regulating portion.

[0033] Thus, the rectifier base is fixed above the wave transmission device. The rectifier base is provided with an axial hole. One end of the rectifier filter plate is hinged to the axial hole via a rotating shaft. The other end of the rectifier filter plate is provided with a lug, which is provided with an axial hole. The adjustment portion includes an adjustment base and a telescopic rod. One end of the telescopic rod is hinged to the crossbar of the adjustment base. The other end of the telescopic rod is provided with an axial hole. The rotating shaft and the axial hole structure realize the hinge connection between the telescopic rod and the lug of the rectifier filter plate. Adjusting the length of the telescopic rod can adjust the tilt angle of the rectifier filter plate. The telescopic rod includes an outer rod and an inner rod. The inner rod can slide relative to the outer rod to adjust the rod length.

[0034] In some embodiments, the energy conversion device includes an impeller, a first hydraulic motor, a second hydraulic motor, an oil tank, and an output motor;

[0035] The rotating shaft of the flap wheel is linked to the rotating shaft of the first hydraulic motor, the hydraulic output end of the first hydraulic motor is connected to the hydraulic input end of the second hydraulic motor, the hydraulic output end of the second hydraulic motor is connected to the oil inlet of the oil tank, and the oil outlet of the oil tank is connected to the hydraulic input end of the first hydraulic motor;

[0036] The rotating shaft of the second hydraulic motor is linked to the rotating shaft of the output motor.

[0037] The waves then propel the impeller, converting the wave motion into kinetic energy. The impeller's shaft drives the first hydraulic motor, which in turn flows the oil inside the motor to the second hydraulic motor. Driven by the oil pressure, the second motor rotates, thereby driving the output motor. The linkage is a gear meshing transmission.

[0038] In some embodiments, the impeller and the first hydraulic motor are both provided in a corresponding plurality, and the plurality of first hydraulic motors output hydraulic pressure to the second hydraulic motor in a parallel manner.

[0039] Therefore, multiple impellers and first hydraulic motors are arranged at multiple points to convert the flow energy of the waves into rotational kinetic energy, thereby improving the energy conversion efficiency. In addition, multiple first hydraulic motors transmit oil pressure in parallel, and the oil pressure converges in the second hydraulic motor to drive the second hydraulic motor. Such parallel transmission has a filtering function to a certain extent. The superposition of energy when the oil pressures of various routes converge can smooth out the energy peak to a certain extent, thereby achieving a secondary filtering effect.

[0040] In some embodiments, the wave delivery device includes a plurality of wave delivery parts hingedly connected in sequence, and a wave delivery connecting plate is hingedly connected to the flow channel outlet of the wave delivery part;

[0041] A wave transmission steel frame is provided at the bottom of the wave transmission part, and both sides of the wave transmission steel frame are connected with floating and sinking devices.

[0042] Thus, multiple wave transmission parts are hingedly connected, which can float better in the waves. The connection plates are provided at the connection points to make the flow channel connection smoother. The setting of the wave transmission steel frame can improve the strength of the wave transmission part and facilitate the connection with the floating and sinking device.

[0043] In some embodiments, the floating and sinking device includes a float, a motor, a rotating wheel, and a first connecting bar;

[0044] The wave collecting device and the wave conveying device are both provided with a motor and a runner, and the motor and the runner are linked;

[0045] One end of the first connecting bar is wound around the rotating wheel, and the other end of the first connecting bar is connected to the floating body.

[0046] Thus, the floating body can be connected to the wave gathering device or wave transmission device via the first connecting bar. When the motor drives the rotating wheel to tighten the first connecting bar, the wave gathering device or wave transmission device can be pulled up to the water surface. When the motor drives the rotating wheel to release the first connecting bar, the position of the wave gathering device or wave transmission device relative to the water surface can be lowered. In other words, the position of the wave gathering device or wave transmission device can be adjusted according to the height of the waves. In the event of a natural disaster such as a typhoon, the wave gathering device or wave transmission device can be lowered into the water or to the bottom of the water to prevent damage caused by the typhoon or high waves. The first connecting bar can be a steel cable or an iron chain.

[0047] The beneficial effects of the present invention are as follows: the wave collecting device is provided with a gradually narrowing flow channel, which can accelerate the waves, thereby promoting the rotation of the impeller of the energy conversion device, thereby improving the energy conversion efficiency;

[0048] The setting of the rectifier and filter device can smooth the waves, reduce the wave crest and reduce the wave surge, so that the impeller can be pushed to rotate more continuously and smoothly to achieve the rectification and filtering function;

[0049] The energy conversion device reliably realizes energy conversion through the hydraulic motor, saving space. In addition, the first hydraulic motor can be connected in parallel to collect the oil in the second hydraulic motor before outputting it. The oil can play a certain rectification and filtering role in the collection process, thus realizing secondary rectification and filtering.

[0050] The floating and sinking device can adjust the position of the wave gathering device and the wave transmission device to adapt to different wave heights, and can sink the wave gathering device and the wave transmission device into the water or to the bottom of the water to avoid natural disasters;

[0051] The wave collecting device and the wave conveying device are hinged to each other in multiple sections, which is conducive to floating in the waves. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 It is a structural diagram of the wave rectification and filtering system of the present invention;

[0053] Figure 2 A top view of the wave rectification and filtering system of the present invention;

[0054] Figure 3 A structural diagram of a wave collecting device of a wave rectifying and filtering system of the present invention;

[0055] Figure 4 This is a structural diagram of the wave transmission part of the wave rectification and filtering system of the present invention;

[0056] Figure 5 A structural diagram of a rectifier and filter device of a wave rectifier and filter system of the present invention;

[0057] Figure 6A structural diagram of the energy conversion device of the wave rectification and filtering system of the present invention;

[0058] Figure 7 This is a structural diagram of the floating and sinking device of the wave rectification and filtering system of the present invention;

[0059] Figure 8 This is a state diagram of the wave rectification and filtering system of the present invention floating on the water surface;

[0060] Figure 9 This is a state diagram of the wave rectification and filtering system of the present invention submerged in water;

[0061] Wherein: 1-wave collecting device; 11-first wave collecting part; 14-wave collecting side wall; 15-wave collecting port; 16-wave collecting outlet; 12-second wave collecting part; 13-third wave collecting part; 17-wave collecting connecting plate; 18-wave collecting steel frame;

[0062] 2-wave transmission device; 21-wave transmission part; 22-wave transmission connecting plate; 23-wave transmission steel frame;

[0063] 3-rectifier filter device; 31-rectifier filter board; 32-adjustment part; 321-adjustment seat; 322-telescopic rod; 33-rectifier base;

[0064] 4-Energy conversion device; 41-Impeller; 42-First hydraulic motor; 43-Second hydraulic motor; 44-Oil tank; 45-Output motor;

[0065] 5-floating and sinking device; 51-floating body; 52-fixing member; 53-motor; 54-rotating wheel; 55-first connecting bar;

[0066] 6-anchoring device; 61-anchor body; 62-second connecting bar. DETAILED DESCRIPTION

[0067] The present invention will be further described in detail below with reference to the accompanying drawings.

[0068] Reference 1 to Figure 7 , a wave rectification and filtering system, comprising a wave collecting device 1, a wave transmission device 2, a rectification and filtering device 3, an energy conversion device 4, a floating and sinking device 5 and an anchoring device 6;

[0069] The flow channel of the wave collecting device 1 gradually narrows from the wave collecting port 15 to the wave collecting outlet 16;

[0070] The wave delivery device 2 is connected to the wave collecting output port 16 of the wave collecting device 1;

[0071] The rectifier and filter device 3 and the energy conversion device 4 are sequentially arranged on the wave transmission device 2 according to the wave flow direction;

[0072] The wave collecting device 1 and the wave conveying device 2 are both connected to a floating and sinking device 5;

[0073] The anchoring device 6 is connected to the wave gathering device 1 .

[0074] To further illustrate, the flow channel of the wave collecting device 1 is provided with a wave collecting side wall 14 which gradually narrows towards the wave collecting outlet 16 ; the wave collecting device 1 is hinged to the wave conveying device 2 .

[0075] To further illustrate, the side walls and bottom wall of the wave collecting outlet 16 are both hinged with wave collecting connecting plates 17 .

[0076] To further illustrate, the wave collecting device 1 comprises a first wave collecting portion 11, a second wave collecting portion 12 and a third wave collecting portion 13 which are hinged in sequence;

[0077] The first wave collecting portion 11, the second wave collecting portion 12 and the third wave collecting portion 13 are all hinged with a wave collecting connecting plate 17 at the outlet of the flow channel, and the flow channels of the three are all provided with a wave collecting side wall 14 that gradually narrows towards the wave collecting outlet 16;

[0078] Wave-gathering steel frames 18 are provided at the bottom of the first wave-gathering portion 11 , the second wave-gathering portion 12 and the third wave-gathering portion 13 , and both sides of the wave-gathering steel frames 18 are connected to floating and sinking devices 5 .

[0079] To further explain, the rectifying and filtering device 3 is provided with a rectifying and filtering board 31 with adjustable inclination.

[0080] To further illustrate, one end of the rectifying filter plate 31 close to the wave collecting device 1 is rotatably connected to the rectifying base 33 , and one end of the rectifying filter plate 31 away from the wave collecting device 1 is rotatably connected to the adjusting portion 32 .

[0081] To further illustrate, the energy conversion device 4 includes a paddle wheel 41, a first hydraulic motor 42, a second hydraulic motor 43, an oil tank 44 and an output motor 45;

[0082] The rotating shaft of the flap wheel 41 is linked to the rotating shaft of the first hydraulic motor 42. The hydraulic output end of the first hydraulic motor 42 is connected to the hydraulic input end of the second hydraulic motor 43. The hydraulic output end of the second hydraulic motor 43 is connected to the oil inlet of the oil tank 44. The oil outlet of the oil tank 44 is connected to the hydraulic input end of the first hydraulic motor 42.

[0083] The rotation shaft of the second hydraulic motor 43 is linked to the rotation shaft of the output motor 45 .

[0084] To further explain, the impeller 41 and the first hydraulic motor 42 are both provided in a corresponding plurality, and the plurality of first hydraulic motors 42 are connected in parallel to output hydraulic pressure to the second hydraulic motor 43 .

[0085] To further illustrate, the wave conveying device 2 includes a plurality of wave conveying parts 21 hingedly connected in sequence, and a wave conveying connecting plate 22 is hingedly connected at the flow channel outlet of the wave conveying part 21;

[0086] A wave transmission steel frame 23 is provided at the bottom of the wave transmission part 21 , and both sides of the wave transmission steel frame 23 are connected to floating and sinking devices 5 .

[0087] To further illustrate, the floating and sinking device 5 includes a float 51, a motor 53, a rotating wheel 54 and a first connecting bar 55;

[0088] The wave collecting device 1 and the wave conveying device 2 are both provided with a motor 53 and a runner 54, and the motor 53 and the runner 54 are linked together;

[0089] One end of the first connecting bar 55 is wound around the rotating wheel 54 , and the other end of the first connecting bar 55 is connected to the floating body 51 .

[0090] To further illustrate, the anchoring device 6 includes an anchor body 61 and a second connecting bar 62 . The anchor body 61 is provided with a protruding column. One end of the second connecting bar 62 is connected to the anchor body 61 , and the other end of the second connecting bar 62 is connected to the wave collecting device 1 .

[0091] To further explain, a sealed housing is provided to seal and protect the first hydraulic motor 42 , the second hydraulic motor 43 and the output motor 45 .

[0092] To further illustrate, a buffer rubber is provided at the connection of each wave collecting part, and a buffer rubber is provided at the connection of each wave transmitting part 21.

[0093] Working principle:

[0094] The wave rectification and filtering system can be placed on the surface of a river, sea or lake, with the wave collecting device 1 located upstream of the wave flow and the wave transmission device 2 located downstream of the wave flow. The wave collecting device 1 and the wave transmission device 2 can adjust their positions in the water through the floating and sinking device 5 so that waves can flow smoothly into the wave collecting device 1.

[0095] The wave collecting device 1 includes a first wave collecting portion 11, a second wave collecting portion 12, and a third wave collecting portion 13, which are hinged in sequence. The three wave collecting portions are all provided with shaft holes and other structures at their joints, and are hinged to each other through a rotating shaft. The flow channels of the first wave collecting portion 11, the second wave collecting portion 12, and the third wave collecting portion 13 are all provided with gradually narrowing wave collecting side walls 14. Waves flow in the gradually narrowing flow channels, and the waves are continuously pushed forward by the power. At this time, the waves can accelerate forward to a certain extent under the action of the two forces of narrowing and pushing.

[0096] The bottom wall and side wall of the flow channel at the connection of the first wave collecting portion 11, the second wave collecting portion 12 and the third wave collecting portion 13 are hinged with a wave collecting connecting plate 17, that is, the bottom wall and side wall of the flow channel output port of the first wave collecting portion 11, the second wave collecting portion 12 and the third wave collecting portion 13 are hinged with a wave collecting connecting plate 17 through a rotating shaft and an axis hole structure.

[0097] The wave delivery device 2 is composed of multiple wave delivery parts 21. The connection points of the multiple wave delivery parts 21 are provided with shaft holes and other structures, which are hinged to each other through a rotating shaft; the bottom wall and side wall of the flow channel output port of each wave delivery part 21 are hinged with a wave delivery connecting plate 22 by the rotating shaft and shaft hole structure, and the other end of the wave delivery connecting plate 22 abuts against the bottom wall and side wall of the flow channel input port of the next wave delivery part 21.

[0098] After the waves accelerate and flow into the wave conveying device 2, the rectifier filter plate 31 of the rectifier filter device 3 smoothes the waves to achieve a filtering effect. The smoothed waves drive the impeller 41 to rotate, and the impeller 41 drives the first hydraulic motor 42 to rotate and transmits oil to the second hydraulic motor 43. The second hydraulic motor 43 rotates under the drive of the oil and transmits the rotational kinetic energy to the output motor 45. The output motor 45 can rotate the kinetic energy power generation device or the power device.

[0099] Multiple impellers 41 and first hydraulic motors 42 are arranged at multiple points to convert the flow energy of the waves into rotational kinetic energy, thereby improving the energy conversion efficiency. In addition, multiple first hydraulic motors 42 transmit oil pressure in parallel, and the oil pressure is gathered in the second hydraulic motor 43 to drive the second hydraulic motor 43. Such parallel transmission has a filtering function to a certain extent. The superposition of energy when the oil pressures of various routes converge can smooth out the energy peak to a certain extent, thereby achieving a secondary filtering effect.

[0100] The floating and sinking device 5 is connected to the wave collecting steel frame 18 and the wave transmission steel frame 23 and can move up and down. The motor 53 can drive and adjust the position of the wave collecting device 1 and the wave transmission device 2. After the adjustment is completed, the floating body 51 can be more reliably fixed to the steel frame through the fixing member 52. The floating body 51 can be a buoy or a float.

[0101] refer to Figure 8 and Figure 9 In the face of natural disasters such as typhoons and large waves, the motor 53 releases the second connecting bar 62, and the wave collecting device 1 and the wave transmitting device 2 are separated from the floating body 51 and sink into the water or the bottom of the water to avoid damage from the disaster.

[0102] The sealed housing seals and protects the first hydraulic motor 42 , the second hydraulic motor 43 , and the output motor 45 .

[0103] The connection between each wave collecting part is provided with a buffer rubber, and the connection between each wave conveying part 21 is provided with a buffer rubber.

[0104] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the invention.

Claims

1. Wave rectification and filtering system, characterized in that, It comprises a wave collecting device (1), a wave transmitting device (2), a rectifying and filtering device (3), an energy conversion device (4), a floating and sinking device (5) and an anchoring device (6); The flow channel of the wave collecting device (1) gradually narrows from the wave collecting port (15) toward the wave collecting outlet (16); the flow channel of the wave collecting device (1) is provided with a wave collecting side wall (14) that gradually narrows toward the wave collecting outlet (16); the wave collecting device (1) is hinged to the wave output device (2); the wave collecting device (1) comprises a first wave collecting portion (11), a second wave collecting portion (12), and a third wave collecting portion (13) that are hinged in sequence; The wave delivery device (2) is connected to the wave collecting outlet (16) of the wave collecting device (1); the wave delivery device (2) comprises a plurality of wave delivery parts (21) hinged in sequence; The rectifying and filtering device (3) and the energy conversion device (4) are sequentially arranged on the wave transmission device (2) according to the wave flow direction; the rectifying and filtering device (3) is provided with a rectifying and filtering plate (31) with an adjustable inclination; The wave collecting device (1) and the wave transporting device (2) are both connected to the floating and sinking device (5); The anchoring device (6) is connected to the wave collecting device (1); The floating and sinking device (5) can adjust the positions of the wave collecting device (1) and the wave transporting device (2) according to the height of the waves; The floating and sinking device (5) comprises a float (51), a motor (53), a rotating wheel (54) and a first connecting bar (55); The wave collecting device (1) and the wave conveying device (2) are both provided with the motor (53) and the rotating wheel (54), and the motor (53) and the rotating wheel (54) are linked together; One end of the first connecting bar (55) is wound around the rotating wheel (54), and the other end of the first connecting bar (55) is connected to the floating body (51); When the motor (53) drives the rotating wheel (54) to tighten the first connecting bar (55), the wave collecting device (1) and the wave transmitting device (2) can be pulled up to the water surface; when the motor (53) drives the rotating wheel (54) to release the first connecting bar (55), the positions of the wave collecting device (1) and the wave transmitting device (2) relative to the water surface can be lowered.

2. The wave rectification and filtering system according to claim 1, characterized in that: The side walls and bottom wall of the wave collecting outlet (16) are both hingedly connected with wave collecting connecting plates (17).

3. The wave rectification and filtering system according to claim 2, characterized in that: The flow passage outlets of the first wave collecting portion (11), the second wave collecting portion (12) and the third wave collecting portion (13) are all hingedly connected to the wave collecting connecting plate (17), and the flow passages of the three are all provided with a wave collecting side wall (14) that gradually narrows toward the wave collecting outlet (16); The bottoms of the first wave gathering part (11), the second wave gathering part (12) and the third wave gathering part (13) are all provided with wave gathering steel frames (18), and both sides of the wave gathering steel frames (18) are connected to the floating and sinking devices (5).

4. The wave rectification and filtering system according to claim 1, characterized in that: One end of the rectifying filter plate (31) close to the wave collecting device (1) is rotatably connected to the rectifying base (33), and one end of the rectifying filter plate (31) away from the wave collecting device (1) is rotatably connected to the regulating portion (32).

5. The wave rectification and filtering system according to claim 1, characterized in that: A wave delivery connecting plate (22) is hingedly connected to the flow channel outlet of the wave delivery portion (21); A wave transmission steel frame (23) is provided at the bottom of the wave transmission part (21), and both sides of the wave transmission steel frame (23) are connected to the floating and sinking devices (5).

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