Novel piezoelectric wave energy harvesting device

Through the design of the new piezoelectric wave energy capture device, the combined structure of float and piezoelectric sheet is used to solve the problem of low and unstable wave energy generation in the existing technology, and efficient and stable energy conversion is achieved, and wave energy is improved. development and utilization efficiency.

CN119288738APending Publication Date: 2025-01-10CHANGCHUN UNIV OF TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202310835829.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-07-10
Publication Date
2025-01-10

AI Technical Summary

Technical Problem

The existing wave energy power generation devices have low power generation and are unstable, making it difficult to effectively utilize the huge wave energy resources on the coast and island coastlines.

Method used

A new type of piezoelectric wave energy capture device is designed. Through a combined structure of float, piezoelectric sheet, connecting rod and base, the movement of float makes the connecting rod and piezoelectric sheet capture energy, and the piezoelectric sheet is stimulated by magnets. Deform to improve energy conversion efficiency.

Benefits of technology

It has achieved the effect of high power generation and stable power, and can effectively utilize the wave energy resources on the coast and island coastlines, improving the efficiency of energy development and utilization.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119288738A_ABST
    Figure CN119288738A_ABST
Patent Text Reader

Abstract

The invention discloses a novel piezoelectric wave energy harvesting device which comprises a floater, a piezoelectric plate 1, a connecting rod, a base and a piezoelectric plate 2. The floater penetrates through a hole formed in the base to be connected with the connecting rod through a connecting groove, the connecting rod is provided with a groove to be connected with the piezoelectric plate 1, the connecting rod is provided with a hole to be connected with a shaft on the base, a magnet adheres to the bottom of the connecting rod, the shaft is connected with a base body through a connecting body, a groove is formed in the base body of the base, and the piezoelectric plate 2 is fixed to the base body through a connecting block. The device has the advantages of being good in power generation effect, low in manufacturing cost, compact in structure, safe, reliable and the like.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the field of new energy, and in particular to a novel piezoelectric wave energy harvesting device. Background Art

[0002] Wave energy is one of the few known renewable energy sources with important strategic value. Its research, development and utilization are of great significance to my country's energy security. The vast coastline and island coastline contain huge wave energy. According to preliminary estimates, the theoretical reserve is 70 million kilowatts of wave energy, which has broad prospects for development and utilization. Summary of the invention

[0003] In view of the problems existing in current power generation devices, the present invention proposes a power generation device with high power generation and stable power generation.

[0004] The technical solution adopted by the present invention is: a novel piezoelectric wave energy harvesting device, characterized in that it is composed of a float, a piezoelectric sheet I, a connecting rod, a base, and a piezoelectric sheet II;

[0005] The float passes through the hole opened in the base and is connected to the connecting rod through the connecting groove. The connecting rod has a groove connected to the piezoelectric sheet I. The connecting rod has a hole connected to the shaft on the base. A magnet is attached to the bottom of the connecting rod. The shaft is connected to the base through a connector. The base of the base has a groove. The piezoelectric sheet II is fixed to the base through a connecting block to complete the assembly of the device.

[0006] As a further improvement of the above technical solution, the connection groove and the floating body in the float are made of different materials, the floating body is hollow inside, and the size of the connection groove should be adjusted according to actual conditions so that it is tightly connected with the connecting rod;

[0007] As a further improvement of the above technical solution, the angle of the connecting rod is between 110° and 135°;

[0008] As a further improvement of the above technical solution, the angle between the grooves formed on the base is 90°. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 Shown is a schematic structural diagram of the present invention.

[0010] Figure 2 Shown is a schematic structural diagram of the float of the present invention.

[0011] Figure 3 Shown is a schematic structural diagram of the connecting rod of the present invention.

[0012] Figure 4 Shown is a structural diagram of the base of the present invention.

[0013] Figure 5 Shown is a cross-sectional view of the present invention. DETAILED DESCRIPTION

[0014] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0015] See also Figures 1 to 5 In the embodiment of the present invention, the specific structure includes:

[0016] A novel piezoelectric wave energy harvesting device, characterized in that it is composed of a float (1), a piezoelectric sheet I (2), a connecting rod (3), a base (4), and a piezoelectric sheet II (5); the float (1) passes through a hole (4-6) provided in the base (4) and is connected to the connecting rod (3) through a connecting groove (1-1); the connecting rod (3) has a groove (3-1) connected to the piezoelectric sheet I (2); the connecting rod (3) has a hole (3-2) connected to the shaft (4-1) on the base (4); a magnet is adhered to the bottom (3-3) of the connecting rod (3); the shaft (4-1) is connected to the base (4-3) through a connector (4-2); a groove (4-4) is provided on the base (4-3) of the base (4); the piezoelectric sheet 2 (5) is fixed to the base (4-3) through a connecting block (4-5), and the device is assembled;

[0017] As a further improvement of the above technical solution, the connection groove (1-1) and the floating body (1-2) in the float (1) are made of different materials, the floating body (1-2) is hollow inside, and the size of the connection groove (1-1) should be adjusted according to actual conditions so that it is tightly connected to the connecting rod (3);

[0018] As a further improvement of the above technical solution, the angle of the connecting rod (3) is between 110° and 135°;

[0019] As a further improvement of the above technical solution, the angle between the grooves (4-4) formed on the base (4) is 90°.

[0020] The working process of the present invention is as follows: the float (1) moves up and down with the rise and fall of waves, and the connecting rod (3) moves through the connecting groove (1-1), the piezoelectric sheet I (2) is fixed in the groove (3-1) opened in the connecting rod (3), and the mass block fixed at the end of the piezoelectric sheet I (2) captures energy through inertia. At the same time, the magnet at (3-3) excites the magnet at the end of the piezoelectric sheet II (5), causing the piezoelectric sheet II (5) to deform and capture energy.

[0021] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above description is only applicable to help understand the method of the present invention and its core ideas. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

[0022] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A novel piezoelectric wave energy harvesting device, characterized in that: The invention comprises a float (1), a piezoelectric sheet I (2), a connecting rod (3), a base (4), and a piezoelectric sheet II (5); the float (1) passes through a hole (4-6) provided in the base (4) and is connected to the connecting rod (3) through a connecting groove (1-1); the connecting rod (3) has a groove (3-1) connected to the piezoelectric sheet I (2); the connecting rod (3) has a hole (3-2) connected to the shaft (4-1) on the base (4); a magnet is adhered to the bottom (3-3) of the connecting rod (3); the shaft (4-1) is connected to the base (4-3) through a connecting body (4-2); a groove (4-4) is provided on the base (4-3) of the base (4); the piezoelectric sheet II (5) is fixed to the base (4-3) through a connecting block (4-5), and the device is assembled.

2. A novel piezoelectric wave energy harvesting device according to claim 1, characterized in that: The connecting groove (1-1) and the floating body (1-2) in the float (1) are made of different materials. The floating body (1-2) is hollow inside. The size of the connecting groove (1-1) should be adjusted according to actual conditions so that it is tightly connected to the connecting rod (3).

3. A novel piezoelectric wave energy harvesting device according to claim 1, characterized in that: The angle of the connecting rod (3) is between 110° and 135°.

4. A novel piezoelectric wave energy harvesting device according to claim 1, characterized in that: The angle between the grooves (4-4) formed on the base (4) is 90°.