CN212921882U - High-frequency vibration type wave energy power generation buoy - Google Patents

Abstract

The utility model discloses a high-frequency vibration wave energy power generation buoy, which comprises a columnar sealed shell, wherein a power generation mechanism is arranged in the shell, the shell is immersed in water and can float together with the power generation mechanism, the power generation mechanism comprises a mass spring system and a piezoelectric system, the piezoelectric system is arranged at two side ends of the mass spring system, the mass spring system comprises a mass block, a spring, a track pipe and a track top plate, the mass block is arranged in the track pipe, the track pipe is arranged on the shell, the left end and the right end of the mass block are respectively connected with the spring arranged in the track pipe, the outer end of the spring is right opposite to the track top plate, the track top plate is at least partially sleeved on the track pipe to stipulate that the track top plate moves along the axis of the track pipe, the track top plate is arranged at two ends of the track pipe, guide wheels matched, the piezoelectric bimorph system can fully utilize the vibration frequency through the mass spring system to convert and obtain more electric energy.

Description

High-frequency vibration type wave energy power generation buoy

Technical Field

The utility model belongs to wave power generation and piezoelectric energy collection technical neighborhood mainly relates to a high frequency vibration formula wave energy electricity generation buoy.

Background

With the exhaustion of traditional fossil fuel resources and increasingly serious ecological environmental problems, the development of clean energy is a necessary trend for modern economic society. After the session of Copenhagen in 2015, a new round of new energy development heat tide comes up again, and wave energy on the sea draws great attention of scholars in recent years. Although the development level of wave energy is far behind compared with solar energy and wind energy, the solar energy is influenced by weather, and the wind energy is influenced by regional environment, which reduces the electrical output performance of the power generation device. The wave energy is not affected by weather, and in terms of energy density, the wave energy is 4-30 times that of wind energy, so that the wave energy development has great market potential, and nearly 40 enterprises can utilize and popularize the wave energy in a commercialized way in the world. If the wave energy can be well utilized, the rapid development of a new energy neighborhood can be greatly promoted.

At present, wave power generation devices are diversified in form, and can be divided into mechanical type, hydraulic type, air type, electromagnetic type and piezoelectric type according to different energy transfer modes.

The hydraulic type has the advantages of small size and flexible arrangement, but the hydraulic type is limited due to the defects of low efficiency, easy leakage of fluid, pollution and the like, the air type is greatly influenced by temperature, the electromagnetic type spatial arrangement is easily limited, and the structures of the three are complicated, so that the use of the three is greatly limited. The mechanical type and the piezoelectric type are simple in structure, but the mechanical type is large in abrasion and high in maintenance cost, and the piezoelectric type device can directly convert wave energy into electric energy through tensioning of the piezoelectric material, so that the structure is the simplest and the most reliable compared with other forms of power generation devices, the cost is low without being influenced by temperature, and therefore the wave energy piezoelectric power generation buoy based on the mass spring system has important significance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a wave energy piezoelectricity electricity generation buoy based on mass spring system is provided, this electricity generation buoy's power generation simple structure, and the generating efficiency is higher.

Therefore, the high-frequency vibration wave energy power generation buoy provided by the utility model comprises a columnar sealed shell, a power generation mechanism is arranged in the shell, the shell can float together with the power generation mechanism when entering water, the power generation mechanism comprises a mass spring system and a piezoelectric system, the piezoelectric system is arranged at the two side ends of the mass spring system, the mass spring system comprises a mass block, a spring, a track pipe and a track top plate, wherein the mass block is arranged in the track pipe, the track pipe is arranged on the shell in a supporting mode, the left end and the right end of the mass block are respectively connected with a spring positioned in the track pipe, the outer end of the spring is opposite to the track top plate, at least part of the track top plate is sleeved on the track pipe to regulate the track top plate to move along the axis of the track pipe, the track top plate is arranged at two ends of the track pipe, the section of an inner hole of the track pipe is square, and guide wheels matched with the inner wall of the track pipe are arranged on four sides of the mass block.

Furthermore, the inner side end of the track top plate is provided with an inner edge pipe matched with the track pipe, and the inner edge pipe is sleeved on the track pipe.

Furthermore, the outer end of the spring is connected with the track top plate, the outer end of the spring is sleeved on the buffering cylinder body, the buffering cylinder body is made of elastic materials, and the outer end of the buffering cylinder body is fixed on the track top plate.

Further, the shell is of a cylindrical hollow structure, and the bracket is fixed on the side end of the shell; the circuit connector is not contacted with the shell; piezoelectric system includes fulcrum post, piezoelectricity bimorph and circuit connector, piezoelectricity bimorph uses the track pipe axis to distribute and be in as the radial outside of center outwards dispersing the outside of track roof, and piezoelectricity bimorph is fixed on the fulcrum post, the fulcrum post is fixed on the support, and the support is fixed on the shell, the track roof pushes up when receiving the outside removal of spring oppression piezoelectricity bimorph's one end, when the track roof does not receive exogenic action track roof and piezoelectricity bimorph space are in order to ensure piezoelectricity bimorph free vibration, the other end and the circuit connector rigid coupling of piezoelectricity bimorph, piezoelectricity bimorph set up the fulcrum near circuit connector one end department, place in fulcrum department fulcrum post and piezoelectricity bimorph rigid coupling.

Furthermore, more than three piezoelectric bimorphs are distributed outwards in a divergent mode by taking the axis of the track tube as the center.

The technical effects of the utility model:

1. the mass spring system has the advantages of simple structure, low manufacturing cost, less maintenance and better economy;

2. the mass spring system adopts a spring to transmit pressure to the track pressing plate and the piezoelectric bimorph, so that the piezoelectric bimorph is effectively buffered, and the durability of the product is improved; and the combination of the mass spring system and the piezoelectric bimorph system has lower failure efficiency;

3. the mass spring system ingeniously utilizes large-amplitude vibration on the sea, and the amplitude is amplified through the mass spring system, so that the problems of high early-stage investment cost and low power generation efficiency in the conventional buoy power generation are effectively solved.

Drawings

Fig. 1 is the utility model provides a wave energy piezoelectricity electricity generation buoy's based on mass spring system structural schematic.

Fig. 2 is a schematic axial cross-sectional view of fig. 1.

Fig. 3 is an enlarged schematic view of the structure of the piezoelectric bimorph.

Fig. 4 is a schematic side view of the piezoelectric bimorph system of fig. 2 from a side view.

Fig. 5 is a schematic sectional view a-a of the rail pipe, the buffer cylinder, and the inner rim pipe of fig. 2.

Fig. 6 is a schematic structural diagram of a mass block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-6, the utility model provides a wave energy piezoelectricity electricity generation buoy based on mass spring system, including the sealed shell 1 of column, shell 1 is cylindrical hollow structure, and columniform shell 1 lies on sea, no matter how its inside power generation mechanism of upset all is in same state, has fabulous internal stability. The power generation mechanism is arranged in the shell 1, the shell 1 can float together with the power generation mechanism when entering water, the power generation mechanism comprises a mass spring system and a piezoelectric bimorph system, the piezoelectric bimorph system is arranged at the two side ends of the mass spring system, the mass spring system comprises a mass block 2, a spring 3, a track pipe 4 and a track top plate 5, wherein the mass block 2 is arranged in the track pipe 4, the track pipe 4 is erected on the shell 1, the track pipe 4 is fixed on the inner wall of the shell 1 by a support frame 6 in the embodiment, the left end and the right end of the mass block 2 are respectively connected with a spring 3 positioned in the track pipe 4, the outer end of the spring 3 is opposite to the track top plate 5, the track top plate 5 is at least partially sleeved on the track pipe 4 to regulate the track top plate 5 to move along the axis of the track pipe 4, the cross section of the inner hole of the track pipe 4 is square, and guide wheels 13 matched with the inner wall of the track pipe 4 are arranged on four sides of the mass block 2. The above-described configuration of the orbital tube 4 and the mass 2 enables a better guidance of the mass 2. The track top plate 5 is positioned at two ends of the track pipe 4, the track top plate 5 is circular, the acting force of the mass block 2 is transmitted to the track top plate 5 through the spring 3, and the circular track top plate 5 can uniformly transmit the acting force to each piezoelectric bimorph 6, so that the stress of the piezoelectric bimorph is more uniform; the piezoelectric bimorph system comprises a fulcrum column 8, a piezoelectric bimorph 9 and a circuit connector 10, wherein the piezoelectric bimorph 9 is radially outwards dispersed and distributed by taking the axis of a track pipe 4 as the center and is positioned at the outer side of a track top plate 5, the piezoelectric bimorph 9 is fixed on the fulcrum column 8, the fulcrum column 8 is fixed on a support 11, the support 11 is fixed on a shell 1, the support 11 is fixed on the side end of the shell 1 in the embodiment, the track top plate 5 is pressed by a spring 3 to outwards move and pushes one end of the piezoelectric bimorph 9, the track top plate 5 is not acted by external force, the gap between the track top plate 5 and the piezoelectric bimorph 9 ensures that the piezoelectric bimorph 9 freely vibrates, the other end of the piezoelectric bimorph 9 is fixedly connected with the circuit connector 10, the circuit connector 10 is not contacted with the shell 1, the piezoelectric bimorph 6 is provided with a fulcrum near one end of, and the fulcrum column 8 is fixedly connected with the piezoelectric bimorph 9 at the fulcrum.

Referring to fig. 2 and 5, the inner end of the rail top plate 5 is provided with an inner edge pipe 51 matched with the rail pipe 4, and the inner edge pipe 51 is sleeved on the rail pipe 4. The inner edge tube 51 is sleeved on the track tube, so that the track top plate 5 can move along the axis without deviation under the constraint of the track tube 4.

Referring to fig. 2 and 5, the outer end of the spring 3 is connected to the track top plate 5, the outer end of the spring 3 is sleeved on the buffer cylinder 14, the buffer cylinder 14 is made of an elastic material, such as high-elasticity rubber, and the outer end of the buffer cylinder 14 is fixed to the track top plate 5. The above-mentioned buffer cylinder 14 constitutes an automatic brake device and the spring 3 can be fitted over the buffer cylinder 14 to be positioned, and when a great wave is applied, the buffer cylinder 14 can prevent the mass 2 from being impacted due to an excessive inertia structure, greatly improving the durability of the structure.

Referring to fig. 2, 3 and 4, more than three piezoelectric bimorphs 9 are divergently distributed outward around the axis of the track tube 4. The stress of the piezoelectric bimorph 9 can be changed by increasing or decreasing the number of the piezoelectric bimorph 9 and also can be changed by changing the position of the fulcrum post (namely, the fulcrum), thereby increasing the flexibility of the system. Moreover, the sea wave is great, and the frequency is higher, and especially the wave will produce very big vibration frequency in the time of the wind and rain, the utility model discloses a piezoelectricity bimorph system will fully utilize this vibration frequency to convert it into the electric energy. In the embodiment, the piezoelectric bimorph system adopts 16 piezoelectric bimorphs 9 connected in parallel, and energy is stored in a super capacitor through a rectifying and energy storage circuit to supply energy to an LED bulb or an underwater sensor.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides a high frequency vibrating wave energy electricity generation buoy which characterized by: including the sealed shell of column, be provided with power generation mechanism in the shell, the shell is gone into water and can be linked one of power generation mechanism and lead to the floating, and power generation mechanism includes mass spring system and piezoelectric system, and piezoelectric system is in the both sides end of mass spring system, the mass spring system includes quality piece, spring, track pipe and track roof, the quality piece is in the track pipe, and the track pipe erects on the shell, one spring that is in the track pipe is respectively connected at both ends about the quality piece, and the spring outer end is just right track roof, the at least local cover of track roof is in with regulation track roof along track pipe axis removal on the track pipe, the track roof is in the both ends of track pipe, track intraductal hole cross-section is squarely, the quality piece four sides all is equipped with the guide pulley that matches.

2. The high-frequency vibration type wave energy power generation buoy of claim 1, which is characterized in that: the inner edge pipe matched with the track pipe is arranged at the inner side end of the track top plate, and the inner edge pipe is sleeved on the track pipe.

3. The high-frequency vibration type wave energy power generation buoy according to claim 1 or 2, which is characterized in that: the outer end of the spring is connected with the track top plate, the outer end of the spring is sleeved on the buffering cylinder body, the buffering cylinder body is made of elastic materials, and the outer end of the buffering cylinder body is fixed on the track top plate.

4. The high-frequency vibration type wave energy power generation buoy of claim 3, which is characterized in that: the shell is of a cylindrical hollow structure, and the bracket is fixed on the side end of the shell; the circuit connector is not contacted with the shell; piezoelectric system includes fulcrum post, piezoelectricity bimorph and circuit connector, piezoelectricity bimorph uses the track pipe axis to distribute and be in as the radial outside of center outwards dispersing the outside of track roof, and piezoelectricity bimorph is fixed on the fulcrum post, the fulcrum post is fixed on the support, and the support is fixed on the shell, the track roof pushes up when receiving the outside removal of spring oppression piezoelectricity bimorph's one end, when the track roof does not receive exogenic action track roof and piezoelectricity bimorph space are in order to ensure piezoelectricity bimorph free vibration, the other end and the circuit connector rigid coupling of piezoelectricity bimorph, piezoelectricity bimorph set up the fulcrum near circuit connector one end department, place in fulcrum department fulcrum post and piezoelectricity bimorph rigid coupling.

5. The high-frequency vibration type wave energy power generation buoy according to claim 4, which is characterized in that: more than three piezoelectric bimorphs are distributed outwards in a divergent mode by taking the axis of the track tube as a center.

Images