Offshore combined power generation device

Abstract

The utility model relates to the technical field of ocean renewable energy utilization, and discloses an offshore combined power generation device which comprises a wind power generation mechanism, a tidal power generation mechanism, a wave power generation mechanism and a platform body. The wind power generation mechanism, the tidal power generation mechanism and the wave power generation mechanisms are connected with the platform body, a channel is formed in the platform body, when tide flows through the channel, the tidal power generation mechanism can generate power, the wave power generation mechanisms are arranged on the two sides of the platform body, and the wave power generation mechanisms start to generate power after making contact with waves. The wind power generation mechanism is arranged on the side, away from the seabed, of the platform body and generates power by blowing fan blades through wind, the technical problems that in the prior art, independently-arranged wave energy, tidal energy and wind energy power generation devices are high in manufacturing cost, and the power generation efficiency and the energy utilization rate are low are solved, and the purposes that wave energy, tidal energy and wind energy power generation is concentrated, and power generation efficiency is high are achieved. The casting cost is reduced, and meanwhile the power generation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of utilization of marine renewable energy, in particular to an offshore combined power generation device. Background Art

[0002] The ocean is rich in renewable energy. Among them, offshore wind power generation is achieved by converting offshore wind energy into the kinetic energy of wind turbine blades and then into electrical energy. Wave power generation is the production of electrical energy by using the energy of waves as power. The energy of waves can be converted into mechanical, pneumatic or hydraulic energy, and then the generator is driven to generate electricity through a transmission mechanism, gas turbine, water turbine or hydraulic motor. Common wave power generation devices are mostly vibrating water column type, wave energy storage type, oscillating float type, swing type and valve type devices; usually, the up and down vibration of the float set on the water surface is used to generate electricity. Tidal energy refers to the potential energy of water formed by the rise and fall of seawater. It is a relatively stable and reliable energy source, which is rarely affected by natural factors such as climate, and the total power generation is stable throughout the year.

[0003] In the related art, wave power generation, tidal power generation, and wind power generation are generally set up in the ocean in a separate manner. The cost of separately set wave power, tidal power, and wind power generation devices is high, while the power generation efficiency and energy utilization rate are low. Utility Model Content

[0004] The utility model aims to provide an offshore combined power generation device to solve the technical problems in the prior art that the separately arranged wave energy, tidal energy and wind energy power generation devices have high construction costs and low power generation efficiency and energy utilization rate.

[0005] In order to solve the above technical problems, the utility model provides an offshore combined power generation device, including a wind power generation mechanism, a tidal power generation mechanism, a wave power generation mechanism and a platform body;

[0006] The wind power generation mechanism, the tidal power generation mechanism and the wave power generation mechanism are respectively connected to the platform body. A channel is provided in the platform body. The tidal power generation mechanism is arranged in the channel. The wave power generation mechanism is arranged on both sides of the platform body. The wind power generation mechanism is arranged on a side of the platform body away from the seabed.

[0007] In an optional embodiment, the platform body includes a main box;

[0008] The main box body is hollow inside, the passage is arranged inside the main box body, and the main box body is connected to the tidal power generation mechanism.

[0009] In an optional embodiment, the platform body further includes a connecting plate;

[0010] The connecting plate is arranged on the main box body and connected to the end surface of the channel, and the connecting plate and the surface of the main box body are arranged at an angle.

[0011] In an optional embodiment, a plurality of the connecting plates are provided, and the plurality of connecting plates are respectively provided at two ends of the channel, and the distances between the opposite connecting plates are arranged to decrease in a direction approaching the main box body.

[0012] In an optional embodiment, the platform body further comprises a floating platform;

[0013] The number of the floating platforms is consistent with the number of the connecting plates, and each of the floating platforms is connected to one end of the connecting plate away from the main box.

[0014] In an optional embodiment, the platform body further includes a truss;

[0015] The trusses are arranged to extend along the length direction of the channel. A plurality of trusses may be provided. The plurality of trusses are respectively provided on both sides of the main box body, and both ends of each truss are connected to a floating platform.

[0016] In an optional embodiment, a plurality of the wave power generation mechanisms are provided, and the plurality of the wave power generation mechanisms are all provided on the truss, and the plurality of the wave power generation mechanisms are arranged at intervals along the length direction of the truss.

[0017] In an optional embodiment, the platform body further includes a tower;

[0018] The tower is arranged on the main box body, the tower is arranged perpendicular to the surface of the main box body, and one end of the tower away from the main box body is connected to the wind power generation mechanism.

[0019] In an optional embodiment, a mooring mechanism is further included;

[0020] There are multiple mooring mechanisms, one end of each of which is connected to the platform body, and the other end is far away from each other and connected to the seabed.

[0021] In an optional embodiment, the mooring mechanism includes a fixed pile and a fixed rope;

[0022] The fixing piles are connected to the seabed and the fixing ropes respectively, and the other end of the fixing ropes is connected to the platform body.

[0023] The utility model provides an offshore combined power generation device, comprising a wind power generation mechanism, a tidal power generation mechanism, a wave power generation mechanism and a platform body; the wind power generation mechanism, the tidal power generation mechanism and the wave power generation mechanism are respectively connected to the platform body, a channel is arranged in the platform body, when the tide flows through the channel, the tidal power generation mechanism can generate electricity, the wave power generation mechanism is arranged on both sides of the platform body, the wave power generation mechanism starts to generate electricity after contacting the waves, and the wind power generation mechanism is arranged on the side of the platform body away from the seabed and generates electricity by blowing the fan blades by wind, so as to solve the technical problems of high cost of wave energy, tidal energy and wind energy power generation devices separately arranged in the prior art, and low power generation efficiency and energy utilization rate, so as to achieve the technical effect of concentrating wave energy, tidal energy and wind energy power generation, reducing casting cost and improving power generation efficiency at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the offshore combined power generation device mentioned in the embodiment of the utility model;

[0025] Figure 2 A top view of the offshore combined power generation device mentioned in an embodiment of the utility model;

[0026] Figure 3 It is a front view of the offshore combined power generation device mentioned in the embodiment of the utility model.

[0027] In the figure, 1-tidal power generation mechanism; 2-wave power generation mechanism; 3-wind power generation mechanism; 4-main box; 5-connecting plate; 6-floating platform; 7-truss; 8-tower; 9-fixed pile; 10-fixed rope. DETAILED DESCRIPTION

[0028] The following is a further detailed description of the specific implementation of the present utility model in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the related technologies, wave power generation, tidal power generation and wind power generation are generally set up in the ocean in a separate manner. The cost of separately set wave power, tidal power and wind power generation devices is relatively high. Each device requires a fixed platform, and there is a lot of waste of manpower. At the same time, the power generation efficiency is that of a single device, and other energy sources cannot be used, and the energy utilization rate is low.

[0031] In view of this, if Figure 1 and Figure 3 As shown, some embodiments of the utility model provide an offshore combined power generation device, including a wind power generation mechanism 3, a tidal power generation mechanism 1, a wave power generation mechanism 2 and a platform body; the wind power generation mechanism 3, the tidal power generation mechanism 1 and the wave power generation mechanism 2 are respectively connected to the platform body, a channel is arranged in the platform body, the tidal power generation mechanism 1 is arranged in the channel, the wave power generation mechanism 2 is arranged on both sides of the platform body, and the wind power generation mechanism 3 is arranged on the side of the platform body away from the seabed.

[0032] In the above embodiment, the platform body can be made of metal, a zinc block for anodical protection can be provided on the platform body, a channel extending along the tidal flow direction and penetrating the platform body is provided on the platform body, the cross-section of the channel can be circular or rectangular, the tidal power generation mechanism 1 is arranged in the channel and fixedly connected to the inner wall of the channel, wherein the tidal power generation mechanism 1 may include a power generation fan blade and a power generation motor, the power generation motor is connected to the power generation fan blade, and the power generation fan blade is driven to rotate by the tide so that the power generation motor starts to generate electricity, wherein as Figure 1 As shown, the generator motor can be fixed on the inner wall of the channel. Further, the wind power generation mechanism 3 can include a fan and a generator motor, the fan is connected to the generator motor, the generator motor is fixed on the platform body, and the sea breeze drives the fan to rotate to complete the charging. Further, the wave power generation mechanism 2 can be provided with multiple wave power generation mechanisms 2, which are respectively arranged on the surface of the platform body and fixedly connected to the platform body, so that when the wave reaches the platform body, the wave first connects with the wave power generation mechanism 2 on the surface of the platform body, and the wave drives the wave power generation mechanism 2 to generate electricity, so that the tidal energy and wave energy in the seawater can be collected, and the wind energy above the sea level can be collected by the wind power generation mechanism 3. At the same time, only one platform body is set to gather the three power generation mechanisms, avoiding the need to build a platform for each power generation mechanism and wasting manpower and financial resources. At the same time, multiple energy sources at a single location can be collected, and the energy collection efficiency is higher.

[0033] Some embodiments of the present invention provide an offshore combined power generation device, including a wind power generation mechanism 3, a tidal power generation mechanism 1, a wave power generation mechanism 2 and a platform body; the wind power generation mechanism 3, the tidal power generation mechanism 1 and the wave power generation mechanism 2 are respectively connected to the platform body, a channel is arranged in the platform body, when the tide flows through the channel, the tidal power generation mechanism 1 can generate electricity, the wave power generation mechanism 2 is arranged on both sides of the platform body, the wave power generation mechanism 2 starts to generate electricity after contacting the waves, and the wind power generation mechanism 3 is arranged on the side of the platform body away from the seabed and generates electricity by blowing the fan blades by wind, so as to solve the technical problems of high cost of separately arranged wave energy, tidal energy and wind energy power generation devices in the prior art, and low power generation efficiency and energy utilization rate, and achieve the technical effect of concentrating wave energy, tidal energy and wind energy power generation, reducing casting cost and improving power generation efficiency at the same time.

[0034] In some optional embodiments, the platform body includes a main box body 4 ; the interior of the main box body 4 is hollow, a passage is provided in the main box body 4 , and the main box body 4 is connected to the tidal power generation mechanism 1 .

[0035] In the above embodiment, the main box body 4 can be made of metal, and the main box body 4 can be hollow so that the main box body 4 can float on the sea surface, thereby providing buoyancy for the tidal power generation mechanism 1, the wind power generation mechanism 3 and the wave power generation mechanism 2, and the main box body 4 can be rectangular, and the channel in the main box body 4 is set through the main box body 4 along the length direction of the main box body 4, and the main box body 4 is directly connected to the tidal power generation mechanism 1, and indirectly connected to the wind power generation mechanism 3 and the wave power generation mechanism 2.

[0036] In some optional embodiments, the platform body further includes a connecting plate 5 ; the connecting plate 5 is disposed on the main box body 4 and connected to the end surface of the channel, and the connecting plate 5 is arranged at an angle to the surface of the main box body 4 .

[0037] In the above embodiment, the connecting plate 5 can be made of metal, the connecting plate 5 can be rectangular, one end of the connecting plate 5 can be welded to the main box body 4, the connecting plate 5 is arranged on the end face of the channel, and the connecting plate 5 and the surface of the main box body 4 are arranged at an angle, wherein the length direction of the channel is consistent with the direction of the tidal current, and the connecting plate 5 arranged at an angle can interfere with the tidal current, thereby affecting the flow of the tidal current through the tidal current power generation mechanism.

[0038] In some optional embodiments, a plurality of connecting plates 5 are provided, and the plurality of connecting plates 5 are respectively provided at both ends of the channel, and the distance between the opposite connecting plates 5 is arranged to decrease along the direction approaching the main box body 4 .

[0039] In the above embodiment, if Figure 1As shown, four connecting plates 5 are provided, two connecting plates 5 are provided at each end of the channel, and the two connecting plates 5 at each end of the channel are arranged at an angle, the two connecting plates 5 are arranged symmetrically with respect to the length direction of the channel, and the two connecting plates 5 at each end are arranged perpendicular to the seabed, and the two connecting plates 5 at each end are trumpet-shaped, that is, the distance between the two connecting plates 5 at each end is arranged decreasingly along the direction close to the main box body 4, so that no matter at high tide or low tide, the flow rate of tides flowing through the channel can be increased through the connecting plates 5 at both ends, thereby improving the power generation efficiency of the tidal power generation mechanism 1.

[0040] In some optional embodiments, the platform body further includes a floating platform 6 ; the number of the floating platforms 6 is consistent with the number of the connecting plates 5 , and each floating platform 6 is connected to one end of a connecting plate 5 away from the main box 4 .

[0041] In the above embodiment, the floating platform 6 is cylindrical, and four floating platforms 6 can be provided. Each connecting plate 5 is connected to a floating platform 6, and one end of each connecting plate 5 away from the main box body 4 can be connected to the floating platform 6 by welding. The floating platform 6 can be made of metal and hollow inside to provide buoyancy. The length direction of the floating platform 6 can be vertically set on the seabed so that the wind power generation mechanism 3, the tidal power generation mechanism 1, the wave power generation mechanism 2 and the main box body 4, and the connecting plate 5 can float on the sea surface.

[0042] In some optional embodiments, the platform body further includes a truss 7 ; the truss 7 is extended along the length direction of the channel, and a plurality of trusses 7 may be provided, and the plurality of trusses 7 are respectively provided on both sides of the main box body 4 , and both ends of each truss 7 are connected to a floating platform 6 .

[0043] In the above embodiment, the length direction of the truss 7 can be set parallel to the length direction of the channel, the truss 7 can be made of metal, and the trusses 7 can be set on both sides of the main box 4, wherein the truss 7 on one side can include a chord and a web, the length direction of the chord is parallel to the length direction of the channel, two chords can be set, the two chords are cylindrical and set parallel to each other, the two ends of the two chords are respectively connected to the two floating platforms 6, and a plurality of webs are set between the two chords, the webs can be set to three, each web is set perpendicular to the chord, and the three webs are evenly arranged along the length direction of the chord, the two ends of each web can be respectively connected to the two chords arranged at intervals by welding, and a wave power generation mechanism 2 can be set on each web, so that multiple wave power generation mechanisms 2 can be fixed on the truss 7, thereby improving the power generation efficiency.

[0044] In some optional embodiments, a plurality of wave power generation mechanisms 2 are provided, and the plurality of wave power generation mechanisms 2 are all provided on the truss 7 , and the plurality of wave power generation mechanisms 2 are arranged at intervals along the length direction of the truss 7 .

[0045] In the above embodiment, the wave power generation mechanism 2 can be spherical, and multiple wave power generation mechanisms 2 are respectively arranged on both sides of the main box 4. The wave power generation mechanism 2 on each side can be connected to the web on the truss 7, so that the multiple wave power generation mechanisms 2 are respectively fixed on the left and right sides of the main box 4 and leave a gap between the main box 4, thereby improving the power generation efficiency of the wave power generation mechanism 2 and reducing the impact on the tidal flow velocity and flow rate flowing through the channel.

[0046] In some optional embodiments, the platform body further includes a tower 8 ; the tower 8 is disposed on the main box body 4 , the tower 8 is disposed perpendicular to the surface of the main box body 4 , and one end of the tower 8 away from the main box body 4 is connected to the wind turbine 3 .

[0047] In the above embodiment, the tower 8 can be made of metal, such as Figure 1 As shown, the lower end of the tower 8 can be welded to the end of the main box 4 away from the seabed, the tower 8 can be cylindrical, the diameter of the lower end of the tower 8 can be greater than or equal to the diameter of the upper end, the upper end of the tower 8 can be connected to the wind turbine 3, and the tower 8 can be vertically arranged on the surface of the main box 4. Due to the arrangement of the tower 8, the installation position of the wind turbine 3 can be raised, thereby avoiding the installation height of the wind turbine 3 being too low to affect the power generation efficiency.

[0048] In some optional embodiments, a mooring mechanism is further included; a plurality of mooring mechanisms are provided, one end of each mooring mechanism is respectively connected to the platform body, and the other end is away from each other and respectively connected to the seabed.

[0049] In the above embodiment, four mooring mechanisms are provided, one end of each mooring mechanism is connected to the seabed, and the other end is connected to a floating platform 6, and the angle between two adjacent mooring mechanisms is set at 90°, so that the four mooring mechanisms can be evenly arranged around the main box 4.

[0050] In some optional embodiments, the mooring mechanism includes a fixed pile 9 and a fixed rope 10; the fixed pile 9 is connected to the seabed and the fixed rope 10 respectively, and the other end of the fixed rope 10 is connected to the platform body.

[0051] In the above embodiment, the fixing piles 9 can be buried on the seabed. The fixing piles 9 can be made of cast concrete or metal. The fixing piles 9 can be connected to the fixing ropes 10 through through holes. The fixing ropes 10 can be made of metal. The fixing ropes 10 can be connected to the side walls of each floating platform 6 by welding. Four fixing piles 9 and four fixing ropes 10 can be respectively arranged around the main box 4, and each fixing pile 9 is connected to a nearest floating platform 6 by a fixing rope 10, wherein the fixing rope 10 can be connected to the surface of the floating platform 6 by welding, or can be connected through the bottom of the floating platform 6, and on the seabed projection, the angle between two fixing ropes 10 close to each other is 90°, and the main box 4 can be better fixed by four fixing ropes 10 and four fixing piles 9.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An offshore combined power generation device, characterized in that: It comprises a wind power generation mechanism (3), a tidal power generation mechanism (1), a wave power generation mechanism (2) and a platform body; The wind power generation mechanism (3), the tidal power generation mechanism (1) and the wave power generation mechanism (2) are respectively connected to the platform body; a channel is provided in the platform body; the tidal power generation mechanism (1) is provided in the channel; the wave power generation mechanism (2) is provided on both sides of the platform body; and the wind power generation mechanism (3) is provided on a side of the platform body away from the seabed.

2. The offshore combined power generation device according to claim 1, characterized in that: The platform body comprises a main box (4); The main box (4) is hollow inside, the passage is provided inside the main box (4), and the main box (4) is connected to the tidal power generation mechanism (1).

3. The offshore combined power generation device according to claim 2, characterized in that: The platform body also includes a connecting plate (5); The connecting plate (5) is arranged on the main box body (4) and connected to the end surface of the channel, and the connecting plate (5) and the surface of the main box body (4) are arranged at an angle.

4. The offshore combined power generation device according to claim 3, characterized in that: A plurality of the connecting plates (5) are provided, and the plurality of connecting plates (5) are respectively provided at two ends of the channel, and the distance between the opposite connecting plates (5) is arranged to decrease in a direction approaching the main box body (4).

5. The offshore combined power generation device according to claim 3, characterized in that: The platform body also includes a floating platform (6); The number of the floating platforms (6) is consistent with the number of the connecting plates (5), and each of the floating platforms (6) is connected to one end of the connecting plate (5) away from the main box (4).

6. The offshore combined power generation device according to claim 5, characterized in that: The platform body also includes a truss (7); The truss (7) is arranged to extend along the length direction of the channel, and a plurality of trusses (7) may be provided. The plurality of trusses (7) are respectively provided on both sides of the main box body (4), and both ends of each truss (7) are connected to a floating platform (6).

7. The offshore combined power generation device according to claim 6, characterized in that: A plurality of the wave power generation mechanisms (2) are provided, and the plurality of the wave power generation mechanisms (2) are all provided on the truss (7), and the plurality of the wave power generation mechanisms (2) are arranged at intervals along the length direction of the truss (7).

8. The offshore combined power generation device according to claim 2, characterized in that: The platform body also includes a tower (8); The tower (8) is arranged on the main box (4), the tower (8) is arranged perpendicular to the surface of the main box (4), and one end of the tower (8) away from the main box (4) is connected to the wind power generation mechanism (3).

9. The offshore combined power generation device according to any one of claims 1 to 8, characterized in that: It also includes mooring mechanisms; There are multiple mooring mechanisms, one end of each of which is connected to the platform body, and the other end is far away from each other and connected to the seabed.

10. The offshore combined power generation device according to claim 9, characterized in that: The mooring mechanism comprises a fixed pile (9) and a fixed rope (10); The fixing piles (9) are connected to the seabed and the fixing rope (10) respectively, and the other end of the fixing rope (10) is connected to the platform body.

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