CN214741810U

CN214741810U - Piezoelectric offset type wave energy dielectric elastomer generator

Info

Publication number: CN214741810U
Application number: CN202023117307.XU
Authority: CN
Inventors: 夏文俊; 鄂世举
Original assignee: Zhejiang Normal University CJNU
Current assignee: Zhejiang Normal University CJNU
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-11-16
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to a piezoelectricity offset type wave energy dielectric elastomer generator, the base upper end is equipped with and can follows around base wobbling buoyancy swing plate, and the base upper end still is equipped with the plectrum disc, and the base upper end still is equipped with drive assembly, and drive assembly rotates with plectrum disc and buoyancy swing plate respectively to be connected, and the base upper end still is equipped with the piezoelectricity cantilever beam by the undulant electricity generation of plectrum disc, still includes the electric capacity C1 that carries out the storage to piezoelectricity cantilever beam electric energy, still includes the DEG of establishing ties with electric capacity C1. The buoyancy swing plate captures wave energy to swing, the driving piece disc is driven by the transmission assembly to drive the piezoelectric cantilever beam to generate electricity, the generated electricity is rectified by the single-phase bridge rectifier circuit to be in a direct current form, the electricity is gathered and stored in the capacitor C1 to provide bias voltage for the DEG, the buoyancy swing plate captures the wave energy to directly drive the DEG to move when swinging, and the area of the DEG is periodically expanded and contracted in the moving process to generate electricity.

Description

Piezoelectric offset type wave energy dielectric elastomer generator

Technical Field

The utility model relates to a dielectric elastomer electricity generation technical field specifically is a piezoelectricity offset type wave energy dielectric elastomer generator.

Background

The dielectric elastomer power generation technology is different from the traditional power generation technology and is a novel, reproducible, clean and electrostatic power generation technology. The flexible electrodes are processed on the upper surface and the lower surface of the dielectric material to manufacture the elastic capacitor, when the two ends of the flexible electrodes are connected with a direct-current voltage source, the dielectric material contracts along the direction of a power line and expands and extends in a plane perpendicular to the power line, the phenomenon is called electrostrictive effect, the dielectric elastomer power generation is realized by reversely utilizing the electrostrictive effect, and the elastic capacitor formed by the dielectric material is used as an electric energy generation unit, namely, a dielectric elastomer power generator is formed.

The dielectric elastomer electricity generation needs a bias voltage to construct the electric field of electromechanical conversion, and stable lasting high voltage power supply is difficult to obtain in the actual engineering, to this technical problem utility model a utilize wave energy drive, through the dielectric elastomer generator of piezoelectric electricity generation acquisition bias voltage.

After the piezoelectric material is deformed under the action of external force, the external appearance is that equal-quantity heterogeneous charges with opposite positive and negative polarities are generated on the opposite stressed surfaces, so that voltage is generated. When the external excitation is in a resonance mode, the piezoelectric output voltage is alternating current. After the alternating current generated by the piezoelectric is rectified by the bridge rectifier circuit, the electric energy can be stored in the energy storage capacitor for later use.

With the development of society, energy crisis and environmental problems become more serious day by day, the application of renewable energy sources is promoted with increasing national strength, and the purpose is to build an environment-friendly and resource-saving society, and the dielectric elastomer power generation technology meets the expectations of social development. The technical problem to be solved is how to provide a device for generating power by using a voltage generated by piezoelectricity to bias the dielectric elastomer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piezoelectricity offset type wave energy dielectric elastomer generator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a piezoelectricity offset type wave energy dielectric elastomer generator, includes the base, the base upper end is equipped with and follows around base wobbling buoyancy pendulum plate, the base upper end still is equipped with the plectrum disc, the base upper end still is equipped with drive assembly, drive assembly rotates with plectrum disc and buoyancy pendulum plate respectively and is connected, the base upper end still is equipped with the piezoelectricity cantilever beam of generating electricity by the fluctuation of plectrum disc, still includes the electric capacity C1 that carries out the storage to piezoelectricity cantilever beam electric energy, still includes the DEG who establishes ties with electric capacity C1.

Preferably, the transmission assembly comprises a slide and a connecting rod which are installed on the base, a rack slide rail is arranged on the slide, a rack which slides along the rack slide rail is arranged on the rack slide rail, a first supporting seat is arranged at the upper end of the base, an axle seat is arranged on the first supporting seat, the buoyancy swing arm is connected on the axle seat, one end of the connecting rod is rotatably connected onto the axle seat, the other end of the connecting rod is rotatably connected onto the rack, a gear is meshed on the rack, a first support is arranged on the rack slide rail, the gear is installed on the first support, a second support is arranged on the rack slide rail, the piezoelectric cantilever beam is installed on the second support, a second supporting seat is arranged on the base, and the plectrum disk is installed on the second supporting seat and fixedly connected with the gear.

Preferably, the shaft seat is provided with a first shaft, a third sleeve is arranged on the periphery of the first shaft, and the upper end of the DEG is arranged on the periphery of the first shaft and located between the third sleeves.

Preferably, be equipped with axle two on the first supporting seat, first sleeve and second sleeve have been cup jointed to the periphery of axle two, the lower extreme of DEG is installed in the periphery of axle two and is located between first sleeve and the second sleeve.

Preferably, the DEG is a diamond structure.

Preferably, the DEG is provided in a plurality and spaced apart along the shaft by a third sleeve.

Preferably, the gap between the DEG is 0m to 1 m.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the device is used, the buoyancy swing plate captures wave energy to swing, the driving component drives the shifting piece disc to drive the piezoelectric cantilever beam to generate electricity, the generated electricity is rectified by the single-phase bridge rectifier circuit to be in a direct current form, electric energy is accumulated and stored in the capacitor C1 to provide bias voltage for the DEG, the buoyancy swing plate captures the wave energy to directly drive the DEG to move when swinging, and the area of the DEG is periodically expanded and contracted to generate the electric energy in the moving process.

2. When the device is used, the buoyancy swing plate captures wave energy to swing, the connecting rod drives the rack to move along the rack sliding rail to drive the gear to move, the plectrum disc connected with the gear drives the piezoelectric cantilever beam to generate electricity, the generated electricity is rectified into a direct current form through the single-phase bridge rectifier circuit, the electricity is accumulated and stored in the capacitor C1 to provide bias voltage for the DEG, the buoyancy swing plate captures the wave energy to directly drive the DEG to move when swinging, and the area of the DEG is periodically expanded and contracted in the moving process to generate electricity.

3. The DEG rotates along the first shaft, and the DEG is limited by the third sleeve, so that the stability of DEG rotation is guaranteed, and the stability of DEG power generation is guaranteed.

4. The DEG rotates along the second shaft, and the first sleeve and the second sleeve limit the DEG, so that the stability of DEG rotation is guaranteed.

5. The DEG with the diamond structure can generate periodic expansion and contraction to generate electric energy, and of course, other structures capable of generating periodic expansion and contraction may also be used.

6. Through making DEG separate and the interval sets up with the third sleeve along the axle, can guarantee so can not mutual interference between the adjacent DEG, improved DEG's the stability of electricity generation.

7. So can realize plectrum disc at suitable angle within range internal rotation, avoid plectrum disc swing excessive, guarantee the stability of generator work.

Drawings

Fig. 1 is a schematic structural diagram of the piezoelectric offset wave energy dielectric elastomer generator according to the present invention;

fig. 2 is a piezoelectric bias circuit diagram of the piezoelectric bias type wave energy dielectric elastomer generator of the present invention.

In the figure: 1. a base; 2. piezoelectric; 3. a rack; 4. a first sleeve; 5. a buoyancy swing plate; 6. a third sleeve; 7. DEG; 8. a second sleeve; 9. a second support seat; 10. a first shaft; 11. a shaft seat; 12. a first support base; 13. a connecting rod; 14. a gear; 15. a first bracket; 16. a plectrum disc; 17. a slideway; 18. a second bracket; 19. a rack slide rail; 20. and a second shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a piezoelectric 2 offset wave energy dielectric elastomer generator includes a base 1, a buoyancy swing plate 5 capable of swinging around the base 1 is disposed at the upper end of the base 1, a plectrum disc 16 is further disposed at the upper end of the base 1, a transmission assembly is further disposed at the upper end of the base 1, the transmission assembly is rotatably connected to the plectrum disc 16 and the buoyancy swing plate 5, a piezoelectric 2 cantilever beam generated by the plectrum disc 16 is further disposed at the upper end of the base 1, a capacitor C1 for storing electric energy of the piezoelectric 2 cantilever beam is further included, and a DEG7 connected in series with the capacitor C1 is further included. When the device is used, the buoyancy swing plate 5 captures wave energy to swing, the driving disc 16 is driven by the transmission assembly to drive the piezoelectric 2 cantilever beam to generate electricity, the generated electricity is rectified by the single-phase bridge rectifier circuit to be in a direct current form, electric energy is accumulated and stored in the capacitor C1 to provide bias voltage for the DEG7, the buoyancy swing plate 5 captures the wave energy to directly drive the DEG7 to move when swinging, and the area of the DEG7 is periodically expanded and contracted to generate the electric energy in the moving process.

In this embodiment, the transmission assembly comprises a slideway 17 mounted on the base 1 and a connecting rod 13, the slideway 17 is provided with a rack slide rail 19, the rack slide rail 19 is provided with a rack 3 sliding along the rack slide rail 19, the upper end of the base 1 is provided with a first supporting seat 12, the first supporting seat 12 is provided with a shaft seat 11, the buoyancy swing arm is connected on the shaft seat 11, one end of the connecting rod 13 is rotationally connected on the shaft seat 11, the other end is rotationally connected on the rack 3, the rack 3 is engaged with a gear 14, the rack slide rail 19 is provided with a first bracket 15, the gear 14 is mounted on the first bracket 15, the rack slide rail 19 is provided with a second bracket 18, the piezoelectric 2 cantilever beam is arranged on a second bracket 18, a second supporting seat 9 is arranged on the base 1, the plectrum disc 16 is arranged on the second supporting seat 9 and is fixedly connected with the gear 14. When the device is used, the buoyancy swing plate 5 captures wave energy to swing, the connecting rod 13 drives the rack 3 to move along the rack sliding rail 19 to drive the gear 14 to move, the plectrum disc 16 connected with the gear 14 stirs the piezoelectric 2 cantilever beam to generate power, the generated power is rectified into a direct current form through the single-phase bridge rectifier circuit, the electric energy is gathered and stored in the capacitor C1 to provide bias voltage for the DEG7, the buoyancy swing plate 5 captures the wave energy to directly drive the DEG7 to move when swinging, and the area of the DEG7 is periodically expanded and contracted to generate the electric energy in the moving process.

In this embodiment, the shaft seat 11 is provided with a first shaft 10, the periphery of the first shaft 10 is provided with a third sleeve 6, and the upper end of the DEG7 is mounted on the periphery of the first shaft 10 and located between the third sleeves 6. The upper end of the DEG7 rotates along the first shaft 10 and is limited by the third sleeve 6, so that the stability of DEG7 rotation is ensured, and the stability of DEG7 power generation is ensured.

In this embodiment, be equipped with axle two 20 on the first supporting seat, first sleeve 4 and second sleeve 8 have been cup jointed to the periphery of axle two 20, DEG 7's lower extreme is installed in the periphery of axle two 20 and is located between first sleeve 4 and the second sleeve 8. The DEG7 rotates along the second shaft 20, and the first sleeve 4 and the second sleeve 8 limit the DEG7, so that the stability of the DEG7 in rotation is guaranteed.

In the present embodiment, the DEG7 has a diamond structure. The DEG7 with the diamond structure can generate periodic expansion and contraction to generate electric energy, but other structures capable of generating periodic expansion and contraction are also possible.

In this embodiment, the DEG7 is provided in a plurality and spaced apart along the axis one 10 by the third sleeve 6. By enabling the DEG7 to be spaced and arranged by the third sleeve 6 along the first shaft 10, the adjacent DEG7 can be ensured not to interfere with each other, and the stability of DEG7 in power generation is improved.

In the present embodiment, the gaps between the DEG7 are 0m to 1 m. Particularly, in the embodiment, the gap between the DEG7 is 0.5m, so that the stability of power generation of the DEG7 can be ensured, interference between adjacent DEG7 is avoided, and the stability of power generation is improved.

It is understood that the gap between the DEG7 may also be 0.1m, 0.2m, 0.3m, 0.4m, 0.6m, 0.7m, 0.8m, 0.9m, 1m, etc.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a piezoelectricity offset formula wave energy dielectric elastomer generator which characterized in that, includes the base, the base upper end is equipped with and follows around base wobbling buoyancy pendulum plate, the base upper end still is equipped with the plectrum disc, the base upper end still is equipped with drive assembly, drive assembly rotates with plectrum disc and buoyancy pendulum plate respectively and is connected, the base upper end still is equipped with the piezoelectricity cantilever beam by the electricity generation of plectrum disc fluctuation, still includes the electric capacity C1 that carries out the storage to piezoelectricity cantilever beam electric energy, still includes the DEG who establishes ties with electric capacity C1.

2. A piezoelectrically biased wave energy dielectric elastomer generator according to claim 1, it is characterized in that the transmission component comprises a slideway and a connecting rod which are arranged on the base, the slideway is provided with a rack sliding rail, the rack sliding rail is provided with a rack sliding along the rack sliding rail, the upper end of the base is provided with a first supporting seat, the first supporting seat is provided with a shaft seat, the buoyancy swinging arm is connected on the shaft seat, one end of the connecting rod is rotatably connected on the shaft seat, the other end of the connecting rod is rotatably connected on the rack, the rack is engaged with a gear, the rack slide rail is provided with a first bracket, the gear is arranged on the first bracket, the rack sliding rail is provided with a second support, the piezoelectric cantilever beam is installed on the second support, the base is provided with a second supporting seat, and the shifting piece disc is installed on the second supporting seat and fixedly connected with the gear.

3. A piezoelectrically biased wave energy dielectric elastomer generator according to claim 2, wherein a first shaft is arranged on the shaft seat, a third sleeve is arranged on the periphery of the first shaft, and the upper end of the DEG is mounted on the periphery of the first shaft and located between the third sleeves.

4. The piezoelectrically biased wave energy dielectric elastomer generator according to claim 3, wherein a second shaft is arranged on the first supporting seat, a first sleeve and a second sleeve are sleeved on the periphery of the second shaft, and the lower end of the DEG is mounted on the periphery of the second shaft and located between the first sleeve and the second sleeve.

5. A piezoelectrically biased wave energy dielectric elastomer generator according to claim 4, wherein the DEG is a diamond structure.

6. A piezoelectrically biased wave energy dielectric elastomer generator according to claim 1, wherein the DEG is provided in a plurality and spaced apart along the shaft by a third sleeve.

7. A piezoelectrically biased wave energy dielectric elastomer generator according to claim 6, characterized in that the gap between the DEG's is 0-1 m.