阅读说明：本技术 一种漂浮上下波动式发电机组 (Floating up-down wave-type generator set ) 是由 浠荤孩 任红 于 2018-07-04 设计创作，主要内容包括：本发明提供了一种漂浮上下波动式发电机组,它包括多组呈三角形分布的发电装置,发电装置通过钢缆连接,钢缆外套置有大于等于发电装置两倍长度的钢管,每组发电装置包括呈直线上下依次连接的顶部连接头、球形浮标、浮标下端连接圆盘、弹簧伸缩杆、直线式发电机、万向节、下端配重台,所述顶部连接头设置三个呈三角形分布的挂钩,挂钩用以连接钢缆,本发明专利对传统波浪能发电装置的结构进行了改进,显著提高了其对于不同海况,尤其是对较复杂海况的适应性,在波浪能能流密度变化较大的海域显示出了较好的稳定性与可靠性,同时,整个装置易于安装、拆卸、固定、维修的特点也有益于节约人力和物力,增加装置的使用寿命。(The invention provides a floating up-down fluctuation type generator set, which comprises a plurality of groups of power generation devices distributed in a triangular shape, wherein the power generation devices are connected through a steel cable, a steel pipe with the length more than or equal to twice that of the power generation devices is sleeved outside the steel cable, each group of power generation devices comprises a top connector, a spherical buoy, a disc connected with the lower end of the buoy, a spring telescopic rod, a linear generator, a universal joint and a lower end counterweight table which are sequentially connected in a straight line up and down manner, the top connector is provided with three hooks distributed in a triangular shape and used for connecting the steel cable The characteristics of fixing and maintaining are also beneficial to saving manpower and material resources and prolonging the service life of the device.)

1. A floating up-down fluctuation type generator set is characterized by comprising a plurality of groups of power generation devices which are distributed in a triangular manner, wherein the power generation devices are connected through steel cables, steel pipes with the length being more than or equal to two times of that of the power generation devices are sleeved outside the steel cables, each group of power generation devices comprises a top connector, a spherical buoy, a buoy lower end connecting disc, a spring telescopic rod, a linear generator, a universal joint and a lower end counterweight table which are sequentially connected in a straight line up and down manner, the top connector is provided with three hooks which are distributed in a triangular manner and used for connecting the steel cables, a through shaft is arranged in the spherical buoy, the upper end of the through shaft is fixedly connected with the top connector, the lower end of the through shaft is connected with the buoy lower end connecting disc;

the spherical buoy is formed by combining two hollow hemispheres made of rigid polyurethane foam plastics and provides buoyancy for the whole device, and comprises an upper part of the spherical buoy and a lower part of the spherical buoy, wherein connecting holes are formed in the centers of the two hemispheres, a through shaft penetrates through the connecting holes to fix the two hemispheres together and is used for providing buoyancy for the whole device, a top connector is fixed at the upper end of the top connector, the lower end of the top connector is connected with a connecting disc at the lower end of the buoy through bolt connection, the three parts are fixed into a whole, the connecting disc at the lower end of the buoy is fixedly arranged at the lower end of the spherical;

the spring telescopic rod comprises three extension springs and three long studs, the extension springs are arranged on the periphery, the long studs are arranged on the inner periphery, the upper ends of the long studs are vertically and fixedly connected with the lower end face of the connecting disc at the lower end of the buoy, the upper ends of the extension springs are fixedly connected with the lower end face of the connecting disc at the lower end of the buoy, the lower ends of the extension springs are fixedly connected with the upper end of the linear generator, the linear generator is provided with three vertical through holes, the aperture of each through hole is slightly larger than the diameter of the long stud, the long studs penetrate through the through holes of the linear generator and are in up-and-down sliding connection with the through holes, the;

the linear generator comprises a stator magnetic pole and a rotor magnetic pole, an upper end cover of the linear generator is connected with a connecting disc at the lower end of the buoy through an extension spring, a lower end cover of the linear generator is connected with a lower end counter weight platform through a universal joint, the rotor magnetic pole is fixedly connected with the long stud and moves up and down along with the long stud, and the rotor magnetic pole is fixedly connected with the casing of the linear generator.

2. The floating up-down wave generator set of claim 1, wherein the length of the long stud is equal to the sum of the lengths of the extension spring and the linear generator in a natural state.

3. The floating up-down wave power generator set as claimed in claim 1, wherein the lower end of the through-shaft is provided with external threads, the lower end of the spherical buoy fixes the spherical buoy on the through-shaft by screwing the bolt, and the gaskets are arranged between the bolt and the spherical buoy and at the upper end of the spherical buoy.

4. The floating up-down fluctuation type generator set as claimed in claim 1, wherein the top connector comprises a base and hooks, the lower end of the base is fixedly connected with the through mandrel, three hooks are fixedly arranged at the upper end of the base, the hooks are triangular and evenly distributed at the upper end of the base, and the diameter of each hook is 10 cm.

5. The floating vertical wave power generator set as claimed in claim 1, wherein the linear generator is a cylindrical permanent magnet linear generator, the through hole is vertically penetrated through the generator barrel, the lower end of the linear generator is sealed, the barrel is provided with a plurality of perforated rings, the perforated rings are provided with circular openings, the long stud penetrates through the through hole to be vertically slidably connected with the upper end cover of the linear generator and the perforated rings, and the bottom of the long stud is in contact connection with the lower end of the linear generator.

6. The floating up-down wave power generator set according to claim 1, wherein the lower end counterweight table is used for mounting and fixing related instruments and equipment and providing counterweight, and comprises a platform and a counterweight plate, the counterweight plate is a cake-shaped disc made of rustproof steel materials and fixedly connected with the platform through bolts, and the plate surface of the counterweight plate is parallel to the lower end platform.

Technical Field

The invention relates to the field of power generation equipment, in particular to a buoy type wave energy power generation device.

Background

Due to the high pollution levels of traditional energy production methods, there is an increasing demand for clean and renewable energy. The wave energy is one of typical clean renewable energy sources, has the advantages of large energy storage capacity, good application prospect, wide world distribution and the like, and is one of important development directions of future research and development.

China has wide ocean resources, the theoretical storage capacity of wave energy is about 7000 ten thousand kilowatts, and the energy flux density of coastal wave energy is about 2-7 kilowatts per meter. At places with high energy flow density, the energy flow of waves outside the coastline of every 1 m is enough to provide illumination for 20 families, wherein the energy flow of seacoast along Zhejiang, Fujian, Guangdong and Taiwan is more abundant, but at present, the power generation efficiency of the wave collector is low due to the difficulty in mastering the motion law of the wave energy and the immature energy conversion technology, and the wave collector cannot be widely applied to production. The traditional mechanical and pneumatic wave power generation devices have high requirements on sea conditions. Conventional power plants are generally constructed with rigid structures to secure the plant to the sea floor or shore, which are easily damaged when fighting against wind and waves, and which make these installations difficult to install and remove. The fixing structure is generally made of a metal material. The device is easy to oxidize and rust in seawater for a long time, thereby not only increasing the maintenance requirement, but also greatly reducing the reliability of the device. When the sea condition is unstable, the reliability of the traditional wave energy power generation device is greatly reduced, and when the power generation devices are multiple groups, the problem of mutual winding, collision and damage can also occur.

Disclosure of Invention

The invention particularly provides a floating up-down fluctuation type generator set with more reasonable structural design, which obviously improves the adaptability of the generator set to different sea conditions, particularly to more complex sea conditions, shows better stability and reliability in sea areas with larger energy flux density change of wave energy, and has the characteristics of easy installation, disassembly, fixation and maintenance of the whole device, more reasonable and reliable structural layout, no conflict among the devices and prolonged service life of the device, and is beneficial to saving manpower and material resources.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a floating up-down fluctuation type generator set comprises a plurality of groups of power generation devices which are distributed in a triangular manner, wherein the power generation devices are connected through steel cables, steel pipes with the length being more than or equal to two times of that of the power generation devices are sleeved outside the steel cables, each group of power generation devices comprises a top connector, a spherical buoy, a disc for connecting the lower end of the buoy, a spring telescopic rod, a linear generator, a universal joint and a lower end counterweight table which are sequentially connected in a straight line up and down manner, the top connector is provided with three hooks distributed in a triangular manner, the hooks are used for connecting the steel cables, a through shaft is arranged in the spherical buoy, the upper end of the through shaft is fixedly connected with the top connector, the lower end of the through shaft is connected with the disc for;

the spherical buoy is formed by combining two hollow hemispheres made of rigid polyurethane foam plastics and provides buoyancy for the whole device, and comprises an upper part of the spherical buoy and a lower part of the spherical buoy, wherein connecting holes are formed in the centers of the two hemispheres, a through shaft penetrates through the connecting holes to fix the two hemispheres together and is used for providing buoyancy for the whole device, a top connector is fixed at the upper end of the top connector, the lower end of the top connector is connected with a connecting disc at the lower end of the buoy through bolt connection, the three parts are fixed into a whole, the connecting disc at the lower end of the buoy is fixedly arranged at the lower end of the spherical;

the spring telescopic rod comprises three extension springs and three long studs, the extension springs are arranged on the periphery, the long studs are arranged on the inner periphery, the upper ends of the long studs are vertically and fixedly connected with the lower end face of the connecting disc at the lower end of the buoy, the upper ends of the extension springs are fixedly connected with the lower end face of the connecting disc at the lower end of the buoy, the lower ends of the extension springs are fixedly connected with the upper end of the linear generator, the linear generator is provided with three vertical through holes, the aperture of each through hole is slightly larger than the diameter of the long stud, the long studs penetrate through the through holes of the linear generator and are in up-and-down sliding connection with the through holes, the;

the linear generator comprises a stator magnetic pole and a rotor magnetic pole, an upper end cover of the linear generator is connected with a connecting disc at the lower end of the buoy through an extension spring, a lower end cover of the linear generator is connected with a lower end counter weight platform through a universal joint, the rotor magnetic pole is fixedly connected with the long stud and moves up and down along with the long stud, and the rotor magnetic pole is fixedly connected with the casing of the linear generator.

Further, the length of the long stud is equal to the sum of the lengths of the extension spring and the linear generator in a natural state.

Furthermore, the lower end of the through mandrel is provided with external threads, the lower end of the spherical buoy fixes the spherical buoy on the through mandrel in a bolt screwing mode, and sealing gaskets are arranged between the bolt and the spherical buoy and at the upper end of the spherical buoy.

Further, the top connector include base, couple, base lower extreme and logical dabber fixed connection, the base upper end is fixed and is provided with three couple, is triangle-shaped equipartition in the base upper end, the circular couple that the couple diameter is 10 centimetres.

Furthermore, the linear generator adopts a cylindrical permanent magnet linear generator, the through hole vertically penetrates through a generator cylinder body, the lower end of the linear generator is sealed, the cylinder body is provided with a plurality of perforated circular rings and circular holes, the long stud penetrates through the through hole to be vertically connected with an upper end cover of the linear generator and the perforated circular rings in a sliding mode, and the bottom of the long stud is connected with the lower end of the linear generator in a contact mode.

Further, lower extreme counter weight platform is used for the installation of relevant apparatus and equipment to be fixed and provide the counter weight, and it includes platform and counter weight dish, and the counter weight dish is the pie disc of the steel material after rust-resistant treatment, through bolt and platform fixed connection, and its face sets up with lower extreme platform parallel.

The linear generator is an energy conversion device in the equipment, and a cylindrical permanent magnet linear generator, such as a linear generator with the model SFLTM-20, is adopted, so that the output power of 20W can be stabilized under the condition that the wave period is 2 seconds.

The universal joint is used for connecting the lower end disc and the damping disc with the device, when wave fluctuation is large, the lower damping part can be always provided with a vertical pulling force for the upper device under the action of the universal joint, so that the transverse force applied to the device by the waves below the sea surface is reduced, the vertical state of the wave energy power generation device can be kept under the condition that the sea condition is unstable, and the stability of the output power of the wave energy power generation device is further ensured.

The lower end counterweight table is used for installing and fixing related instruments and equipment, such as: sensors, underwater stabilizers, etc. The lower end counterweight table is positioned at the lower part of the linear generator and is connected with the lower end of the generator.

The counterweight plate is a cake-shaped disc made of a steel material subjected to rust prevention treatment, is fixedly connected with the lower end counterweight table through bolts, and is arranged in parallel with the lower end counterweight table, so that sinking force is provided for the whole wave energy power generation device, the rising of the lower half part of the device caused by buoyancy is reduced, and the stator magnetic pole of the linear generator is positioned at a relatively stable spatial position. The damping performance of the steel structure damping disc subjected to rust prevention treatment can better adapt to the working requirements of the device, and meanwhile, the working stability and the service life of the wave power generation device are also enhanced by the better corrosion resistance.

According to the spherical buoy made of the hard polyurethane foam plastic material, the polyurethane floating ball adopts the polyurea material as the outer protective layer, and the polyurethane foaming material or the plastic foaming body is adopted as the buffer medium in the interior, so that compared with the plastic floating ball made of sunday, the buoyancy is larger, and the service life is longer. With the continuous development of the technology, the polyurethane ball bearing technology is also greatly improved.

The invention has the beneficial effects that: the top connector is used for hoisting in the transportation and installation processes, so that the transportation and installation difficulty is greatly simplified, and different devices can be fixed by steel cables when the wave energy power generation device is used in batches; the steel pipes are arranged in a triangular mode, so that the mutual position limitation of the whole unit is facilitated, the collision among the power generation devices is avoided, and the mechanism stability of the whole unit is ensured; the spherical buoy is positioned above the sea surface to provide buoyancy for the whole wave power generation device, the part below the spherical buoy is positioned below the sea surface, the spring telescopic rod limits the initial length of the power generation device, and the initial default mutual positions of the stator magnetic pole and the rotor magnetic pole of the linear generator are also ensured. The universal joint and the lower end counter weight platform can reduce the force applied to the wave energy power generation device by sea waves in the horizontal direction, the stability of the wave energy power generation device in the sea is improved, meanwhile, the lower end counter weight platform provides a space for installing a series of instruments such as an underwater device and the like, the counter weight plate ensures that the stator magnetic pole of the linear generator is in a relatively constant spatial position, a stable condition is provided for the work of the linear generator, and the working stability of the wave energy power generation device is improved. The ocean wave liquid level can provide power for this device when being periodic fluctuation motion for spherical buoy and counter weight platform's combined action under, relative motion takes place for spherical buoy and counter weight platform, thereby has driven linear generator's stator magnetic pole and active cell magnetic pole to carry out periodic relative motion, thereby turns into the electric energy with part wave energy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a power plant;

fig. 3 is a partially enlarged schematic view of the spring telescopic rod.

Detailed Description

The invention is described in detail below with reference to the attached drawing figures:

the invention provides a floating up-down wave-type generator set, which is shown in figure 1 ~ 3, wherein the numbers in the figure are respectively 1-upper part of a spherical buoy, 2-spring telescopic rod, 3-upper end cover of a linear generator, 4-perforated limiting disc, 5-universal joint, 6-lower end counterweight table, 8-upper end connector, 9-through mandrel, 10-lower part of the spherical buoy, 11-lower end connecting disc, 12-lower end fixing disc, 13-linear generator, 14-lower end cover of the linear generator, 15-extension spring, 16-long stud, 17-hexagon bolt, 18-spring washer, 19-hexagon nut, 20-steel cable and 21-steel pipe.

The structure of the invention is further described in detail by combining the embodiment given by the attached drawings, and the floating up-down wave-type generator set comprises a plurality of groups of power generation devices which are distributed in a triangular shape, the power generation devices are connected through a steel cable 20, a steel pipe 21 with the length more than or equal to twice that of the power generation devices is sleeved outside the steel cable 20, and each power generation device comprises an upper end connector 8, a spherical buoy, a buoy lower end connecting disc 11, a spring telescopic rod 2, a linear generator 13, a universal joint 5 and a lower end counterweight table 6;

the upper end connector 8 is positioned at the uppermost part of the device and connected to the upper end of the upper part 1 of the spherical buoy, and is connected with the spring telescopic rod 2 through a connecting through shaft 9, the lower end of the lower part 10 of the spherical buoy is connected with a buoy lower end connecting disc 11, the buoy lower end connecting disc 11 fixes one ends of three extension springs 15 and three long bolts 16 on the spring telescopic rod, the other ends of the extension springs 15 are connected to an upper end cover 12 of the linear generator, the other ends of the long bolts 10 can vertically move in a circular hole of the upper end cover 12 of the linear generator, the lower part of the upper end cover 12 of the linear generator is fixed with a rotor magnetic pole in the linear generator 13, a stator magnetic pole of the linear generator 13 is connected with a universal joint 5, and the lower.

The platform of the lower end counterweight table 6 is fixedly connected with the counterweight judgment through a hexagon bolt 17, a spring washer 18 and a hexagon nut 19.

The working principle of the invention is as follows:

the upper end connector is used for installing the device for moving, hooking and fixing with other equipment during installation. The spherical buoy is used for providing buoyancy for the whole device. The counterweight plate is used for providing sinking force for the whole device and reducing the rising of the lower half part of the device caused by buoyancy.

The ocean wave liquid level can provide power for the device when being in periodic motion, and under the combined action of the spherical buoy and the counterweight plate, the spherical buoy and the counterweight plate can move relatively. When the liquid level rises, the spherical buoy part moves towards the direction far away from the damping part, the whole device can be in a continuously elongated state, and when the spherical buoy is at the position of a wave crest, the length of the whole device reaches the maximum value. When the liquid level rises, the spherical buoy part moves towards the direction close to the damping part, the whole device can be in a state of being continuously shortened, and when the spherical buoy is at the wave trough position, the length of the whole device reaches the minimum value. The process can be repeated along with the continuous periodic fluctuation of the sea waves, so that the stator magnetic pole and the rotor magnetic pole of the linear generator are driven to do periodic relative motion, and part of wave energy is converted into electric energy.

The invention has the advantages that:

1. the linear generator is selected to enable the structure of the wave energy power generation device to be simpler, relevant mechanical structures used for converting energy release forms in the traditional wave energy utilization device are eliminated, the working stability and the service life are improved, and the cylindrical permanent magnet linear generator SFLTM-20 is used for the wave energy power generation device to enable the device to adapt to wider sea conditions in offshore areas.

2. The wave energy power generation device has the advantages that the processes of installation, disassembly and the like are simplified, the wave energy power generation device does not have high requirement on installation unlike the traditional wave energy utilization device, does not need to be fixedly connected with the sea bottom or the coast, and only needs to be limited in a certain area range by an anchor or a steel cable.

3. The design of practical spherical buoy, universal joint has all increased this wave energy power generation facility and has resisted the wave and apply the ability for this device transverse force, has increased wave energy power generation facility's stability, has also increased this device and to the utilization of wave energy, makes it can adapt to more extensive sea condition, and energy conversion efficiency obtains improving.