CN107165781A - The floating power generation device of regenerable marine energy comprehensive utilization - Google Patents

Abstract

A floating power generation device for comprehensive utilization of marine renewable energy, including: a first floating body, a central magnet, a central coil, a second floating body, an anchoring system and a combined power generation structure; the first floating body consists of an upper and a lower part of a hollow cylinder Composition, the upper part and the lower part are coaxially arranged and connected internally, the cross-sectional area of the lower part is larger than the upper part; the central magnet is a cylinder, and the central magnet vertically penetrates the first floating body; the central coil is arranged around the central magnet and attached to the inner side wall of the upper part, and the central coil Relative movement in the vertical direction is possible with respect to the central magnet; the second floating body is fixed on the bottom of the central magnet, and the mooring system is fixed on the bottom of the lower part; the number of combined power generation structures is multiple, and they are evenly distributed on the outer side wall of the lower part along the circumferential direction . The invention combines multiple new energy sources, saves energy and protects the environment, is not limited to the direction and mode of force, and has strong impact resistance.

Description

Floating power generation device for comprehensive utilization of marine renewable energy

technical field

The invention belongs to the field of marine renewable energy engineering, and in particular relates to a floating power generation device for comprehensive utilization of marine renewable energy.

Background technique

At present, renewable energy is a research topic that countries all over the world, especially developed countries, are focusing on. Ocean energy, as a clean and renewable resource with great development prospects, is favored by coastal countries. The research and development of ocean energy is the development direction of the joint efforts of all ocean countries in the world. The development and application of ocean energy power generation devices will promote the development of clean energy, and it is of great significance to solve the power supply problems of islands and offshore equipment. The wind energy, current energy, and wave energy on the ocean are endless marine renewable energy, and are non-polluting green energy. The technology of using wind power to generate electricity at sea is mature. However, compared with offshore wind power generation, the energy conversion rate of wave energy power generation devices and ocean current power generation devices is lower, and the unit power generation cost is higher, which limits the full utilization of the two to a certain extent. Therefore, how to make full use of wind energy, ocean current energy and wave energy, and use the same device to generate electricity has been a subject of research and attention in recent years.

Contents of the invention

Aiming at the deficiencies in the prior art, the present invention provides a floating power generation device for comprehensive utilization of marine renewable energy.

To achieve the above object, the present invention adopts the following technical solutions:

A floating power generation device for comprehensive utilization of marine renewable energy, characterized in that it includes: a first floating body, a central magnet, a central coil, a second floating body, an anchoring system and a combined power generation structure; the first floating body is hollow The upper part and the lower part of the cylinder are composed, the upper part and the lower part are coaxially arranged and connected internally, and the cross-sectional area of the lower part is larger than that of the upper part; the central magnet is a cylinder, and the central magnet vertically runs through the first floating body; the central coil surrounds the center The magnet is arranged and attached to the inner side wall of the upper part, and the central coil can perform relative movement in the vertical direction relative to the central magnet; the second floating body is fixed on the bottom of the central magnet, and the mooring system is fixed on the bottom of the lower part; the combined power generation There are multiple structures, which are evenly distributed on the outer side wall of the lower part along the circumferential direction.

In order to optimize the above technical solutions, the specific measures taken also include:

The combined power generation structure includes a column, an upper connecting rod, a middle connecting rod, a lower connecting rod, a wind energy generating unit and an ocean current generating unit; The upper connecting rod, the middle connecting rod and the lower connecting rod are arranged horizontally; the wind energy generating unit is installed between the upper connecting rod and the middle connecting rod, and the ocean current energy generating unit is installed between the middle connecting rod and the lower connecting rod.

A round rod magnet is installed between the upper connecting rod and the lower connecting rod, the top and bottom ends of the round rod magnet are welded to the upper connecting rod and the lower connecting rod respectively, the round rod magnet runs through the middle connecting rod, and the wind power generation unit and ocean current energy generating units are installed on the round bar magnet.

The wind energy generating unit is located above the horizontal plane, and includes an upper shaft, fan blades, support rods, upper end fixing parts and lower end fixing parts; It can rotate around the round rod magnet; the number of the fan blades is multi-piece, which are evenly distributed on the periphery of the upper rotating shaft to form a lantern structure together. The fan blades are fixedly connected to the upper rotating shaft through the support rod. The upper fixing part and the lower fixing part are welded and fixed on the upper rotating shaft.

The ocean current energy generating unit is located below the horizontal plane and includes a lower shaft, a lower coil, a vortex and a fixed ring; the lower shaft is a hollow cylinder, and the lower shaft is sleeved on a round rod magnet and can rotate around the round rod magnet The lower coil is arranged around the round bar magnet and attached to the inner side wall of the lower shaft, and the lower coil can move relative to the round bar magnet in the vertical direction; the number of the vortex blades is multiple, evenly distributed on the periphery of the lower shaft, together A vortex structure is formed, and the vortex blades are fixedly connected to the lower rotating shaft through a fixing ring, and the fixing ring is fixedly sleeved on the lower rotating shaft. A damper is arranged at the connecting rod of the middle layer, and a generator is integrated in the damper.

A generator and a storage electrical box are installed in the lower part.

The mooring system adopts a catenary type and includes a plurality of anchor chains.

The beneficial effects of the invention are: combining multiple new energy sources, ocean current energy, wave energy and wind energy can be used to generate electricity at the same time, energy saving and environmental protection, not limited to the direction and method of acceptance, and has strong impact resistance.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is an overall sectional view of the present invention.

Fig. 3 is an overall top view of the present invention.

Fig. 4 is a cross-sectional view of the combined power generating structure of the present invention.

Fig. 5 is a structural schematic diagram of the mooring system of the present invention.

Fig. 6 is a schematic structural diagram of a wind energy generating unit of the present invention.

Fig. 7 is a schematic structural diagram of an ocean current energy generating unit of the present invention.

Reference signs are as follows: first floating body 1, central magnet 2, central coil 3, second floating body 4, mooring system 5, combined power generation structure 6, upper part 7, lower part 8, column 9, upper connecting rod 10, middle connecting rod 11 , lower connecting rod 12, wind energy generating unit 13, sea current energy generating unit 14, round bar magnet 15, horizontal plane 16, upper rotating shaft 17, fan blade 18, support rod 19, upper end fixing part 20, lower end fixing part 21, lower rotating shaft 22 , Lower coil 23, vortex blade 24, fixed ring 25, damper 26, anchor chain 27.

detailed description

The present invention is described in further detail now in conjunction with accompanying drawing.

The floating power generation device for the comprehensive utilization of marine renewable energy as shown in Figure 1-2 includes: a first floating body 1, a central magnet 2, a central coil 3, a second floating body 4, an anchoring system 5 and a combined power generation structure 6, wherein , the first floating body 1, the central magnet 2, the central coil 3 and the second floating body 4 constitute a column-type permanent magnet wave energy generating unit. The first floating body 1 is made up of an upper part 7 and a lower part 8 that are hollow cylinders. The upper part 7 and the lower part 8 are coaxially arranged and communicated inside. box. The central magnet 2 is a permanent magnet with cylindrical structure, installed in the first floating body 1 and vertically penetrates the first floating body 1 . The center coil 3 is arranged around the center magnet 2 and attached to the inner side wall of the upper part 7 , and the center coil 3 can move relative to the center magnet 2 in the vertical direction. The second floating body 4 is fixed on the bottom of the central magnet 2, so that the central magnet 2 can move up and down in the vertical direction relative to the first floating body 1 with the ups and downs of the waves, driving the relative movement between the central coil 3 and the central magnet 2 , so as to generate a large amount of electric energy and store it in the electric box through the generator.

The mooring system 5 is fixed on the bottom of the lower part 8, as shown in FIG. The mooring system 5 is an elastic system with a certain stiffness. When the first floating body 1 is displaced, the mooring system 5 will generate a force opposite to the direction of displacement, forcing the first floating body 1 to return to its original position.

In addition to the column type permanent magnet power generation unit, there are multiple combined power generation structures 6 in the device, which are evenly distributed on the outer side wall of the lower part 8 along the circumferential direction, and four are used in FIG. 3 . The combined power generation structure 6 specifically refers to FIG. 4 , which includes a column 9 , an upper connecting rod 10 , a middle connecting rod 11 , a lower connecting rod 12 , a wind energy generating unit 13 and an ocean current energy generating unit 14 . The column 9 is vertically fixed on the outer side wall of the lower part 8, and the upper connecting rod 10, the middle connecting rod 11 and the lower connecting rod 12 which are arranged horizontally are fixed successively from top to bottom. A round rod magnet 15 is installed between the upper connecting rod 10 and the lower connecting rod 12, and the top and bottom ends of the round rod magnet 15 are welded to the upper connecting rod 10 and the lower connecting rod 12 respectively, and the round rod magnet 15 vertically runs through the middle connecting rod 11. Both the wind energy generating unit 13 and the ocean current energy generating unit 14 are installed on the round rod magnet 15, wherein the wind energy generating unit 13 is installed between the upper connecting rod 10 and the middle connecting rod 12, and the ocean current energy generating unit 14 is installed on the middle connecting rod 11 And between the lower connecting rod 12. In addition, a damper 26 is welded and fixed at the connecting rod 11 in the middle layer. The damper 26 can not only reduce the damage suffered by the device under the action of heaving, but also integrates equipment such as a generator.

The wind energy generating unit 13 is located above the horizontal plane 16 and utilizes wind energy to generate electricity, including an upper shaft 17 , fan blades 18 , support rods 19 , upper fixing parts 20 and lower fixing parts 21 . The upper rotating shaft 17 is a hollow cylinder, which is sleeved on the round rod magnet 15 and can rotate around the round rod magnet 15 . As shown in FIG. 6 , there are multiple fan blades 18 that are evenly distributed on the periphery of the upper rotating shaft 17 to form a lantern structure. Experiments have proved that this arrangement can utilize wind energy more efficiently. The middle part of the fan blade 18 is fixedly connected with the upper rotating shaft 17 through a horizontal support rod 19, and the top and bottom ends are respectively fixed with an upper fixing part 20 and a lower fixing part 21. Both the upper fixing part 20 and the lower fixing part 21 are ring structures, welded Be fixed on the upper rotating shaft 17. When the wind energy generating unit 13 is working, the fan blade 18 rotates clockwise or counterclockwise under the action of wind force, and the upper rotating shaft 17 is driven to rotate through the support rod 19, and combined with the generator, wind energy generation is realized.

The ocean current energy generating unit 14 is located below the horizontal plane 16 and utilizes ocean current energy to generate electricity, including a lower shaft 22 , a lower coil 23 , vortex blades 24 and a fixed ring 25 . The lower rotating shaft 22 is a hollow cylinder, which is sleeved on the round rod magnet 15 and can rotate around the round rod magnet 15 . The lower coil 23 is arranged around the round rod magnet 15 and attached to the inner side wall of the lower rotating shaft 22 , and the lower coil 23 can move relative to the round rod magnet 15 in the vertical direction. As shown in Figure 7, the number of vortex blades 24 is a plurality of pieces, which are evenly distributed on the periphery of the lower shaft 22 to form a vortex structure together. superior. Here, a blade arrangement and fixation method different from that of the wind power generation unit 13 is adopted, which can better adapt to the characteristics of ocean current energy and improve power generation efficiency. When the ocean current energy generating unit 14 is working, the vortex blade 24 rotates clockwise or counterclockwise under the impact of the ocean current, and the rotating shaft 22 is driven by the fixed ring 25 to rotate, combined with the generator, to realize the power generation of the water current. In addition, under the action of the heave of the waves, the lower shaft 22 moves up and down in the vertical direction relative to the round rod magnet 15, which drives the relative motion between the lower coil 23 and the round rod magnet 15, and converts the electric energy through the generator. Store in electrical box.

It should be noted that terms such as "upper", "lower", "left", "right", "front", and "rear" quoted in the invention are only for clarity of description, not for Limiting the practicable scope of the present invention, and the change or adjustment of the relative relationship shall also be regarded as the practicable scope of the present invention without substantive changes in the technical content.

The above are only preferred implementations of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should be regarded as the protection scope of the present invention.

Claims (8)

1. a kind of floating power generation device of regenerable marine energy comprehensive utilization, it is characterised in that including：First floating body（1）, in Heart magnet（2）, centering coil（3）, the second floating body（4）, mooring system（5）With combination electrification structure（6）；First floating body （1）By the top for being hollow cylinder（7）And bottom（8）Composition, the top（7）And bottom（8）It is coaxially disposed and internal Communicate, bottom（8）Cross-sectional area be more than top（7）；The center magnet（2）For cylinder, center magnet（2）Extend vertically through First floating body（1）；The centering coil（3）Around center magnet（2）Set and be attached to top（7）Madial wall, center line Circle（3）Relative to center magnet（2）The relative motion of vertical direction can be carried out；Second floating body（4）It is fixed on center magnet （2）Bottom, the mooring system（5）It is fixed on bottom（8）Bottom；The combination electrification structure（6）Quantity is multiple, edge Circumferencial direction is evenly distributed in bottom（8）Lateral wall on.

2. a kind of floating power generation device of regenerable marine energy comprehensive utilization as claimed in claim 1, it is characterised in that：Institute State combination electrification structure（6）Including column（9）, upper strata connecting rod（10）, middle level connecting rod（11）, lower floor's connecting rod（12）, wind Can generator unit（13）With energy by ocean current generator unit（14）；The column（9）It is fixed on bottom（8）Lateral wall on, column（9） It is horizontally disposed upper strata connecting rod to be from top to bottom fixed with successively（10）, middle level connecting rod（11）With lower floor's connecting rod （12）；The wind-power generation unit（13）Installed in upper strata connecting rod（10）With middle level connecting rod（12）Between, the energy by ocean current Generator unit（14）Installed in middle level connecting rod（11）With lower floor's connecting rod（12）Between.

3. a kind of floating power generation device of regenerable marine energy comprehensive utilization as claimed in claim 2, it is characterised in that：Institute State upper strata connecting rod（10）With lower floor's connecting rod（12）Between round bar magnet is installed（15）, the round bar magnet（15）Top With bottom respectively with upper strata connecting rod（10）With lower floor's connecting rod（12）Weldering connects, round bar magnet（15）Through middle level connecting rod （11）, wind-power generation unit（13）With energy by ocean current generator unit（14）It is installed in round bar magnet（15）On.

4. a kind of floating power generation device of regenerable marine energy comprehensive utilization as claimed in claim 3, it is characterised in that：Institute State wind-power generation unit（13）Positioned at horizontal plane（16）On, including upper rotating shaft（17）, flabellum（18）, support bar（19）, upper end Fixture（20）With lower end fixture（21）；The upper rotating shaft（17）For hollow cylinder, upper rotating shaft（17）It is arranged installed in circle Bar magnet（15）On, upper rotating shaft（17）Round bar magnet can be surrounded（15）Rotate；The flabellum（18）Quantity is multi-disc, is uniformly distributed In upper rotating shaft（17）Periphery, be collectively forming lantern structure, flabellum（18）Pass through support bar（19）With upper rotating shaft（17）It is fixed to connect Connect, flabellum（18）Top and bottom be respectively fixed with upper end fixture（20）With lower end fixture（21）, the upper end is fixed Part（20）With lower end fixture（21）It is weldingly fixed on rotating shaft（17）On.

5. a kind of floating power generation device of regenerable marine energy comprehensive utilization as claimed in claim 3, it is characterised in that：Institute State energy by ocean current generator unit（14）Positioned at horizontal plane（16）Under, including lower rotary shaft（22）, lower coil（23）, whirlpool leaf（24）With it is solid Determine ring（25）；The lower rotary shaft（22）In hollow cylinder, lower rotary shaft（22）It is set in round bar magnet（15）On, round bar can be surrounded Magnet（15）Rotate；The lower coil（23）Around round bar magnet（15）Set and be attached to lower rotary shaft（22）Madial wall, under Coil（23）Relative to round bar magnet（15）The relative motion of vertical direction can be carried out；The whirlpool leaf（24）Quantity is multi-disc, It is even to be distributed in lower rotary shaft（22）Periphery, be collectively forming eddy structure, whirlpool leaf（24）Pass through retainer ring（25）With lower rotary shaft（22） It is fixedly connected, the retainer ring（25）Fixation is set in lower rotary shaft（22）On.

6. a kind of floating power generation device of regenerable marine energy comprehensive utilization as claimed in claim 3, it is characterised in that：Institute State middle level connecting rod（11）Place is provided with damper（26）, the damper（26）In be integrated with generator.

7. a kind of floating power generation device of regenerable marine energy comprehensive utilization as claimed in claim 1, it is characterised in that：Institute State bottom（8）In be provided with generator and storage electronic box.

8. a kind of floating power generation device of regenerable marine energy comprehensive utilization as claimed in claim 1, it is characterised in that：Institute State mooring system（5）Using catenary, including a plurality of anchor chain（27）.