CN210797470U - A comb-type breakwater unit and system integrating multiple ocean energy power generation devices - Google Patents

Abstract

The utility model belongs to the technical field of breakwaters, in particular to a comb-type breakwater unit and a system integrating various ocean energy power generation devices. The utility model converts part of the wave energy in front of the embankment into electric energy through the oscillating float type power generation system and the oscillating water column type power generation system; gathers the waves by constricting the water channel, utilizes the resonance of the warehouse formed by the asymmetrical draft wing to increase the amplitude and increase the float The relative motion mechanical energy improves the conversion efficiency of wave energy; the tidal current energy is converted into electric energy through the hydraulic turbine power generation device, and the water flow is concentrated by shrinking the water channel to improve the power generation efficiency; the wind energy is converted into electric energy through the wind turbine, and the water level is lowered smoothly in the port area. Internal waves are high. The utility model converts the wave energy and tidal current energy in front of the breakwater into electric energy, reduces the load before the breakwater, and improves the overall stability of the integrated system; at the same time, the integrated comb-type breakwater system improves the working environment of the power generation device and reduces the cost of each The cost of independent construction of the power generation system.

Description

A comb-type breakwater unit and system integrating multiple ocean energy power generation devices

technical field

The utility model belongs to the technical field of breakwaters, in particular to a comb-type breakwater unit and a system integrating various ocean energy power generation devices.

Background technique

As the world's energy becomes increasingly tense, ocean energy, as a source of new energy, has attracted people's attention with its unique advantages and strategic position. According to statistics, ocean energy accounts for 70% of the total global energy, of which the current energy is about 5 billion kW, the wave energy is about 2.5 billion KW, and the atmospheric energy is 1017 KW. If these huge ocean energy can be developed and utilized, it will benefit the whole world. Humanity. At the same time, ocean energy is the main way to solve the energy shortage of my country's coastal areas and islands. my country's coastal areas are densely populated, asset-intensive, and socially and economically developed. Coastal islands are new socio-economic or defense outposts that are being developed or have been developed. The lack of electricity has become a key factor restricting the social and economic development of my country's coastal areas, especially the islands. The construction of suitable ocean energy power generation systems in coastal areas and islands according to local conditions is one of the main ways to supplement coastal power shortages and solve the electricity problems of island residents and garrisoned troops.

As a new type of breakwater, the comb breakwater is to take out the traditional square caisson according to a certain proportion and replace it with caisson wings to form a comb-shaped vertical breakwater on the plane. The discontinuous part and the prefabricated parapet form a wave elimination room, which has the advantages of wave gathering, wave elimination, permeation, and light-weight reduction of the bearing capacity of the foundation. A demonstration project has been built in the Dayaowan port area of Dalian. The comb-type breakwater wing plate and the front wall are not in the same plane, and the distance between the two makes the wave force reach the peak of the breakwater staggered, which reduces the total horizontal wave force on the breakwater, which not only reduces the self-weight but also avoids the self-weight reduction zone. to the adverse effects of keeping the structure stable. The hydrodynamic characteristics of the comb-type breakwater wave elimination room are complex, but theoretical analysis can prove that the wave amplitude here is larger than that of the front wall, which has a strong wave gathering effect. Indoor resonance wave height will increase.

The oscillating float type wave energy power generation device is a wave energy utilization device that drives the float to move up and down through waves, and then converts the relative motion mechanical energy of the float into electrical energy. It has practical applications at home and abroad. However, there are still some problems in its fixing method: small power generation devices can float directly on the water surface, but their power generation efficiency is not high. There are two anchoring methods for large power generation devices. One is to suspend the device in the sea through a traction rope, but its It is greatly affected by the sea current and is not stable enough; the other is to directly fix it on the seabed, which is only suitable for shallow sea areas. When the water depth is deep, the cost of creating suitable fixing conditions on the seabed is relatively high, and it is difficult to achieve Satisfactory power generation cost performance. Therefore, this type of device has high requirements on the stability and reliability of the structure in the harsh service environment, which limits the advantage of high power generation efficiency of the device.

The oscillating water column type wave power generation device uses air as the conversion medium, and the energy collection is completed through the air chamber. The lower opening of the air chamber is connected to the seawater under water, and the upper opening of the air chamber is connected to the atmosphere. The water column in the air chamber reciprocates up and down under the action of waves. The water column acts like a piston. The continuous movement of the water column causes the air column above the free surface of the water column to produce an oscillating motion. The air outlet above the air chamber flows through a reciprocating motion. The turbine, the turbine shaft is connected with the generator, and the compressed air can be used to drive the turbine to rotate and drive the generator to generate electricity. The oscillating water column wave power generation device uses air to transmit energy, which can avoid the direct impact of waves on the power generation system, prolong the working time of the power generation system, and reduce the cost of power generation.

The hydraulic turbine power generation device uses the tidal current to directly drive the generator set to convert the tidal current energy into electrical energy, with a simple structure and high power generation efficiency. Value for money. Integrating a hydraulic turbine power generation device in the middle of the comb-type through-shrinkage channel breakwater caisson not only saves the cost of independently building the foundation of the hydraulic turbine-type power generation device, but also uses the comb-shaped through-shrinkage channel breakwater structure to constrain the flow entering and leaving the port Ensure maximum power generation efficiency.

The wind energy power generation device uses the wind to drive the blades of the wind propeller to convert the wind energy into mechanical energy; then the blades drive the generator set to convert the mechanical energy into electrical energy to realize the conversion of wind energy to electrical energy. Considering the stable offshore wind, high utilization rate of wind turbines, large installed capacity of a single unit and the advantage of not occupying land resources, the development of wind power is gradually moving towards the marine age, but the installed base cost of wind power generation devices limits the popularization of wind power generation devices in the ocean. Combination of comb breakwater and wind turbine power generation greatly improves the stability and reliability of wind turbines, and can also reduce wind energy, reduce wind wave-riding amplitude, and ensure stable water surface in the port area.

Patent Publication No. CN109706886A discloses a comb-type breakwater system integrating oscillating float-type and hydraulic turbine-type power generation devices, including comb-type air-contraction channel breakwater system, oscillating float-type power generation system and hydraulic turbine-type power generation system The comb-type through-hole shrinkage water channel breakwater system includes a riprap foundation bed, a chamfered caisson arranged at intervals on the riprap foundation bed, a front wing plate and a rear wing plate arranged between the chamfered caissons, and a chamfered caisson. , the breast wall above the front wing plate and the rear wing plate; the chamfered caisson, the front wing plate and the rear wing plate form a warehouse, the oscillating float type power generation system is set in the warehouse, and the hydraulic turbine power generation system is set On the riprap base and under the rear wing. Although a hydraulic turbine was added between the two caissons in this system, the tidal energy was not fully utilized.

Utility model content

The purpose of the utility model is to integrate a wind energy power generation device and an oscillating water column type wave power generation device on the basis of the prior art, and to provide a comb-type breakwater unit integrating various ocean energy power generation devices.

The purpose of the utility model is achieved through the following technical solutions: including a chamfered caisson; the chamfered caisson is installed on a riprap foundation bed, and a parapet is installed on the top of the chamfered caisson; the length of the parapet is longer than that of the chamfered caisson, and the parapet is A front wing plate and a rear wing plate are installed below the part beyond the chamfered caisson, and the warehouse is composed of the chamfered caisson, the breast wall, the front wing plate and the rear wing plate; the front wing plate and the rear wing plate are in the vertical direction. The width of the caisson is smaller than that of the chamfered caisson; it also includes an oscillating float; the oscillating float is installed in the warehouse; the top of the warehouse is provided with air inlet and outlet holes, and an air turbine device is arranged at the inlet and outlet holes; in the vertical direction The width of the rear wing is larger than that of the front wing.

The utility model can also include:

It also includes a wind generator; the fan of the wind generator is installed on the outside of the top of the chamfered caisson, and the rest is installed in the chamfered caisson.

The oscillating float is installed in the center of the warehouse; there are two air inlet and outlet holes, which are respectively installed at the top breast walls on the left and right sides of the oscillating float.

The utility model also aims to provide a comb-type breakwater system integrating various marine energy power generation devices, which is composed of comb-type breakwater units integrating various marine energy power generation devices.

The purpose of the utility model is achieved through the following technical solutions: the system is composed of comb-type breakwater units integrating various marine energy power generation devices connected end to end, and the system ends with a chamfered caisson.

The utility model can also include:

The comb-type breakwater unit integrating various marine energy power generation devices also includes a wind turbine; the fan of the wind turbine is installed outside the top of the chamfered caisson, and the rest are installed in the chamfered caisson.

The oscillating float in the comb-type breakwater unit integrating various ocean energy power generation devices is installed in the center of the warehouse, and there are two air inlet and outlet holes, which are respectively installed at the top parapets on the left and right sides of the oscillating float.

The beneficial effects of the present utility model are:

The utility model converts part of the wave energy in front of the embankment into electric energy through the oscillating float type power generation system and the oscillating water column type power generation system; gathers the waves by constricting the water channel, utilizes the resonance of the warehouse formed by the asymmetrical draft wing to increase the amplitude and increase the float The relative motion mechanical energy improves the conversion efficiency of wave energy; the tidal current energy is converted into electrical energy through the hydraulic turbine power generation device installed in the permeable part of the comb breakwater, and the water flow is concentrated by constricting the water channel to improve the power generation efficiency; wind energy is converted by wind turbines. Converted into electrical energy, stabilize the water surface and reduce the wave height in the port area. Convert wave energy and tidal current energy in front of the breakwater into electric energy, reduce the load in front of the breakwater, and improve the overall stability of the integrated system; at the same time, the integrated comb breakwater system improves the oscillating float type, oscillating water column type and hydraulic turbine type power generation The working environment of the device reduces the independent construction cost of the oscillating float type, oscillating water column type and hydraulic turbine type power generation device.

Description of drawings

FIG. 1 is a schematic structural diagram of a comb-type breakwater unit integrating various ocean energy power generation devices.

Figure 2 is a front view of the structure of a comb-type breakwater system with two chamfered caissons integrating various ocean energy power generation devices.

FIG. 3 is a right side view of the structure of a comb-type breakwater unit integrating various ocean energy power generation devices.

FIG. 4 is a left side view of the structure of a comb-type breakwater unit integrating various ocean energy power generation devices.

FIG. 5 is a front view of the structure of a comb-type breakwater unit integrating various ocean energy power generation devices.

FIG. 6 is a top view of the structure of a comb-type breakwater unit integrating various ocean energy power generation devices.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings.

The utility model is based on the existing technology, in order to alleviate the urgent demand for power supply for the construction of islands and reefs in my country, a comb type integrated oscillating float type power generation device, an oscillating water column type power generation device, a hydraulic turbine type power generation device and a fan power generation device are proposed. Permeable Shrinkage Channel Breakwater System. The oscillating float type power generation device is integrated in the middle of the caisson of the collapsible water channel comb-type breakwater, which not only saves the cost of independently constructing the foundation of the oscillating float type power generation device, but also improves the working environment of the oscillating float type by using the caisson and the wing plate, which can solve the problem of the oscillating float type power generation device. The fixed cost of the device and the working environment problems, so as to take full advantage of the high efficiency of the oscillating float power generation device.

It is a new type of structure that integrates the comb-type air-contraction channel breakwater system and the oscillating float type, oscillating water column type wave energy power generation device, hydraulic turbine type tidal current energy generation device and fan power generation device conversion system. On the one hand, it can use wave energy and tidal current energy and wind power generation to alleviate the urgent need for the power supply of islands and reefs, and at the same time use the breakwater structure as the installation base for wave, tidal and wind power generation devices to reduce power generation costs; The energy in front of the breakwater is reduced, thereby improving the stability of the overall structure of the comb-type breakwater, and the use of wind power generation devices to convert wind energy into electrical energy can reduce the amplitude of wind riding waves and ensure the stability of the water surface in the port area.

A comb-type air-contraction water channel breakwater system integrating oscillating float type, oscillating water column type, hydraulic turbine type and wind energy power generation device includes: comb-type air-contraction water channel breakwater system, oscillating float type power generation system, oscillating water column type power generation system , hydro turbine power generation system and wind power generation system. The comb-type through-shrinkage channel breakwater system includes a riprap bed 8, a chamfered caisson 7, a parapet 6, a front wing plate 4, and a rear wing plate 2; the chamfered caisson 7 is arranged at intervals along the breakwater axis, and the front wing plates 4 and 4 The rear wing panels 2 are arranged between adjacent chamfered caissons 7 , and the breast wall 6 is arranged above the chamfered caisson 7 and the front wing panels 4 and the rear wing panels 2 . The oscillating float 3 of the oscillating float type power generation system is installed between the chamfered caisson 7 and the front wing plate 4 and the warehouse enclosed by the rear wing plate 2; The air inlet and outlet 1 of the warehouse enclosed by the rear wing plate 2 are connected to the air turbine to drive the generator to perform energy conversion; the hydraulic turbine power generation system is installed on the riprap bed 8 and is located at the perforated part of the breakwater of the comb-type permeable shrinkage channel , that is, below the rear wing plate 2; the wind power generation system 9 is installed above the chamfered caisson 7, and the force-supported foundation passes through the upper cover plate of the chamfered caisson 7 and is installed on the comb-type breakwater foundation.

Comb-type through-shrinkage channel breakwater system: The system consists of a riprap bed, a chamfered caisson, a front wing, a rear wing and a breast wall. The chamfered caisson is sunk on the riprap foundation bed, the wing plate and the main body of the caisson are poured into a whole, and the concrete breast wall is poured above the caisson. stability. The chamfered caisson on both sides and the front and rear wings will form a warehouse. The waves will resonate in the warehouse. The draft of the rear wing is larger than that of the front wing, and the amplitude of the resonant water surface fluctuation will be much higher than that of the wave, which greatly improves the relative motion of the float. Improve the power generation efficiency; connect the air inlet and outlet of the warehouse to the air turbine to drive the generator, and also form an oscillating water column hair system for secondary collection of wave energy; at the same time, the traditional comb-type breakwater box is chamfered to form a shrinking water channel , which can gather energy and directly improve the power generation efficiency of the hydraulic turbine power generation device; install the fan on the caisson to convert wind energy into electrical energy.

The oscillating float type wave energy power generation device is installed between the two caisson tanks and the warehouse formed by the front and rear wing plates. The relative motion of the float is driven by the amplitude of the wave, and the wave energy is converted into mechanical energy and then into electrical energy. The utility model combines the asymmetric draft chamber and the shrinking water channel to increase the amplitude and increase the relative motion mechanical energy of the oscillating float, thereby improving power generation. Efficiency; reduce the wave energy in front of the embankment, reduce the wave force in front of the embankment, and at the same time reduce the load on the wing plate and the breast wall, so as to protect the comb breakwater. The chamber can protect the float from being directly impacted by waves, reduce lateral and longitudinal swings, and improve the working environment of the oscillating float.

The oscillating water column type wave energy power generation device is improved on the basis of the oscillating float type wave energy generation device. The waves oscillate in the warehouse. In order to balance the air pressure inside and outside the warehouse, it is necessary to open holes to connect the air inside and outside. An air turbine is connected to the air inlet and outlet to drive the generator to generate electricity, forming an oscillating water column type wave energy power generation device, which performs secondary conversion of wave energy and further reduces the cost of power generation.

The hydro-turbine power generation device is installed in the permeable part of the comb-type breakwater under the rear wing plate by using the comb-type breakwater foundation. When the tide is high, the tidal current flows to the port area through the opening of the comb-type breakwater. During this process, the rotation of the hydraulic turbine is driven to generate electricity, and the constriction of the waterway to gather the tidal current can improve the power generation efficiency; during the ebb tide, the overall comb-type breakwater Constrain the tidal current so that the tidal current only flows out of the breakwater through-hole where the hydraulic turbine power generation device is installed, so as to increase the utilization rate of the tidal current and improve the power generation efficiency.

The wind power generation device is installed above the caisson, and the force-bearing structure passes through the upper surface of the caisson and is fixed on the foundation of the comb-type breakwater to ensure the stability of the fan. Using offshore wind energy to drive the generator to rotate, and finally realize the conversion of wind energy to electric energy. The fan can adopt pitch technology to change the square box of the generator blade according to the change of the wind direction, so as to keep the maximum wind power generation efficiency all the time.

The advantage of the integrated system lies in the use of the oscillating float power generation system, the oscillating water column power generation system and the hydraulic turbine power generation system to fully obtain the energy in front of the embankment; the use of the chamfered caisson to form a shrinking channel to gather energy and improve the conversion efficiency of wave energy and tidal energy; The float type power generation system is placed between the two caisson tanks and the chamber formed by the front and rear wings to significantly improve the power generation efficiency and effectively improve the working environment of the float device; the air inlet and outlet of the chamber are connected to the air turbine to form an oscillating water column wave energy generation system. It can carry out secondary conversion; the wind power generation device is integrated on the comb-type breakwater to make full use of wind energy, which is conducive to the stability of the water surface in the port area; the comb-type breakwater foundation is used as an oscillating float power generation system, an oscillating water column power generation system, and a hydraulic turbine. The installed base of wind power generation system and wind power generation system can reduce the cost of power generation.

The function realization process of the present utility model is as follows:

The oscillating float type power generation device, on the one hand, the waves pass through the constricted channel formed by the chamfered caisson 7 for the first wave energy convergence to increase the wave amplitude; The resonance in the warehouse formed by the wing plate 2 can greatly increase the wave amplitude; the oscillating float 3 is installed in the warehouse; the increase of the wave amplitude can increase the relative motion mechanical energy of the oscillating float, and then convert the mechanical energy into electrical energy through the power generation device. In this way, by chamfering the caisson 7 and the front wing plate 4, the design of the rear wing plate 2 improves the power generation efficiency of the oscillating float type power generation device. At the same time, the float is installed between the chamfered caisson 7 and the warehouse enclosed by the front wing plate 4 and the rear wing plate 2, so that the float can be prevented from being directly impacted by the wave force in the horizontal and vertical directions; the operation of the oscillating float is greatly improved. surroundings.

The oscillating water column type power generation device, when the wave crest reaches the front side of the integrated system, enters the warehouse through the front wing plate 4, causing the water surface in the warehouse to rise, and then compress the air in the warehouse, so that the air pressure in the warehouse is greater than the atmospheric pressure, and the air in the warehouse passes through the air inlet and outlet holes. 1 flows into the atmosphere and drives the air turbine device installed at the inlet and outlet 1 to move, and then realizes the conversion of wave energy to electric energy; when the wave trough reaches the front side of the integrated system, the water surface in the warehouse will drop, making the air pressure in the warehouse lower than that of the atmosphere. Air pressure, the gas in the atmosphere will enter the warehouse through the inlet and outlet holes 1, and at the same time drive the air turbine device installed at the inlet and outlet holes 1 to move, and then realize the conversion of wave energy to electrical energy.

The hydraulic turbine power generation device, on the one hand, when the tide is high, the tidal current flows through the chamfered caisson 7, and the through hole formed by the rear wing plate 2 and the riprap bed 8 flows to the port area. During this flow process, the tidal current will drive the installation at the through hole. The hydraulic turbine 5 is used to convert the tidal energy into electrical energy; the tidal current converges through the shrinking water channel formed by the chamfered caisson 7, which can improve the power generation efficiency of the tidal energy; on the other hand, when the tide is low, the water level in the port area is higher than that outside the port area. If the water level is high, the comb-type breakwater will block the tidal current and restrict the tidal current in the comb-type breakwater to flow out from the air-permeable opening, which can maximize the utilization of tidal energy and improve the power generation efficiency.

The wind power generation device uses the sea breeze to drive the blades to rotate to drive the generator to generate electricity. When the wind direction changes, the pitch technology is used to measure the wind direction and automatically adjust the angle between the blades and the wind direction to achieve the maximum wind energy utilization.

The beneficial effects of the present utility model are:

The utility model converts part of the wave energy in front of the embankment into electric energy through the oscillating float type power generation system and the oscillating water column type power generation system; gathers the waves by constricting the water channel, utilizes the resonance of the warehouse formed by the asymmetrical draft wing to increase the amplitude and increase the float The relative motion mechanical energy improves the conversion efficiency of wave energy; the tidal current energy is converted into electrical energy through the hydraulic turbine power generation device installed in the permeable part of the comb breakwater, and the water flow is concentrated by constricting the water channel to improve the power generation efficiency; wind energy is converted by wind turbines. Converted into electrical energy, stabilize the water surface and reduce the wave height in the port area. The utility model converts the wave energy and tidal current energy in front of the breakwater into electric energy, reduces the load before the breakwater, and improves the overall stability of the integrated system; at the same time, the integrated comb-type breakwater system improves the oscillating float type, oscillating water column type and hydraulic power The working environment of the turbine power generation device reduces the independent construction cost of the oscillating float, oscillating water column and hydraulic turbine power generation devices.

The utility model designs the caisson in the form of chamfering, which can form a shrinking water channel, gather wave energy, increase the wave amplitude, increase the relative mechanical displacement of the float, and improve the power generation efficiency.

The front and rear two asymmetric draft wings and the chamfered caisson form a warehouse to increase the resonance of waves in the warehouse, which can further increase the wave amplitude, increase the relative motion mechanical energy of the float, and improve the power generation efficiency; at the same time, it can prevent the float from being directly affected by the wave force The horizontal and vertical impact of the oscillating float is guaranteed; the efficiency of the float moving up and down with the wave is guaranteed; the working environment of the oscillating float is improved, and the power generation efficiency is further improved.

On the basis of the oscillating float type wave energy power generation device, the air turbine is connected to the air inlet and outlet of the warehouse to form an oscillating water column type wave energy generation device, which performs secondary conversion of wave energy, further improves the conversion efficiency of wave energy, and greatly improves the efficiency of wave energy. The construction cost of the oscillating water column type wave energy power generation device is reduced.

The oscillating float type power generation device, the oscillating water column type power generation device, the hydraulic turbine type power generation device and the wind energy power generation device are installed on the riprap foundation of the comb breakwater, which reduces the cost of independent construction of the foundation and improves the cost performance of power generation; at the same time, the comb The breakwater can be built into an "energy dike", which can provide sufficient and stable output power.

Convert the wave energy and tidal current energy in front of the embankment into electrical energy, reduce the overall energy in front of the embankment, reduce the load force in front of the embankment, and improve the overall stability and safety of the comb-type permeable shrinkage channel breakwater system; convert wind energy into electrical energy , which can reduce the wind and wave-riding fluctuation in the port area, which is beneficial to the stable water surface in the port area.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. A comb-type breakwater unit integrated with various ocean power generation devices comprises a chamfered caisson; the chamfering caisson is arranged on the riprap foundation bed, and the top of the chamfering caisson is provided with a breast wall; the length of the breast wall is greater than that of the chamfering caisson, a front wing plate and a rear wing plate are arranged below the part of the breast wall, which exceeds the chamfering caisson, and a bin is formed by the chamfering caisson, the breast wall, the front wing plate and the rear wing plate; the widths of the front wing plate and the rear wing plate in the vertical direction are smaller than those of the chamfering caisson; the method is characterized in that: the device also comprises an oscillating floater; the oscillating floater is arranged in the chamber; the top of the bin is provided with an air inlet and outlet hole, and an air turbine device is arranged at the air inlet and outlet hole; the rear wing panel has a width greater than the front wing panel in the vertical direction.

2. The comb-type breakwater unit integrating a plurality of ocean power generation devices according to claim 1, wherein: the wind power generator is also included; the fan of the wind driven generator is arranged on the outer side of the top of the chamfered caisson, and the rest part of the fan is arranged in the chamfered caisson.

3. The comb-type breakwater unit integrating a plurality of ocean power generation apparatuses according to claim 1 or 2, wherein: the oscillating floater is arranged in the center of the chamber; and two air inlet and outlet holes are arranged at the top breast walls on the left side and the right side of the oscillating floater respectively.

4. The breakwater system of an integrated multi-ocean power generation apparatus based on the breakwater unit of an integrated multi-ocean power generation apparatus of claim 1, wherein: the system is formed by connecting a comb-type breakwater unit integrated with various ocean power generation devices end to end, and the system is finally finished by a chamfered caisson.

5. The comb-type breakwater system integrating a plurality of ocean power generation devices according to claim 4, wherein: the comb-type breakwater unit integrating the multiple ocean energy power generation devices also comprises a wind driven generator; the fan of the wind driven generator is arranged on the outer side of the top of the chamfered caisson, and the rest part of the fan is arranged in the chamfered caisson.

6. The comb-type breakwater system integrating a plurality of ocean power generation devices according to claim 4 or 5, wherein: the comb-type breakwater unit integrating the multiple ocean power generation devices is characterized in that the oscillating floater is arranged in the center of the cabin, and two air inlet and outlet holes are formed in the top breast walls on the left side and the right side of the oscillating floater respectively.

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