CN110657058A

CN110657058A - Power generation device utilizing wave orbital motion and AUV

Info

Publication number: CN110657058A
Application number: CN201911053321.7A
Authority: CN
Inventors: 赵江滨; 魏渊; 范梦雨; 贾玉山
Original assignee: Wuhan University of Technology WUT
Current assignee: Wuhan University of Technology WUT
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-01-07

Abstract

The invention discloses a power generation device and an underwater vehicle utilizing wave orbital motion, wherein two swing wings of the power generation device utilizing the wave orbital motion are in a balanced state or form an included angle of 90 degrees when the two swing wings are in the middle position of a motion stroke, a transmission and power generation device is arranged between the two swing wings, a power generator is driven to generate power by utilizing the relative motion between the two swing wings, and the two swing wings are connected through a hinge. An AUV (autonomous underwater vehicle) and other underwater vehicles which generate power by utilizing wave orbital and circular motion comprise two swing wings, and when the two swing wings are in a balanced state, the included angle is 90 degrees; or a damping flat plate is arranged, and the included angles between the damping flat plate and the two swing wings are both 90 degrees; or the W-shaped swing wing is adopted and comprises a plurality of sections of adjacent clamping plates which are fixedly connected, and the included angle between the adjacent clamping plates is 90 degrees. The invention utilizes the power generation device of wave orbital motion and the motion characteristics of water particles in waves to realize the relative motion between two swing wings, capture more wave energy and generate power.

Description

Power generation device utilizing wave orbital motion and AUV

Technical Field

The invention belongs to the technical field of ocean wave energy power generation, and particularly relates to a power generation device utilizing wave orbital motion and an AUV (autonomous underwater vehicle).

Background

The target applications of wave energy power generation are largely classified into 3 types: 1) large-scale power supply of land/island grids; 2) the buoy with a relatively fixed position supplies power; 3) the moving body supplies power. Underwater vehicles such as an Autonomous Underwater Vehicle (AUV) are Underwater moving bodies, are provided with propelling devices, have a large moving range, and have a lot of technical difficulties because wave power generation devices for supplying power to the Underwater vehicles must move along with the Underwater vehicles.

From the technical aspect of Wave Energy Conversion (WEC), it can be classified into attenuator type (attentuators), Overtopping type (Overtopping), Oscillating Water Column type (osculating Water Column, OWC), surging type (osculating Wave Energy Converters, OWSC), Point Wave Energy absorption type (Point Absorbers, PA), and Pressure Differential type (Pressure Differential Devices). The connection modes of the marine structure and the seabed are classified into a hydraulic structure fixing type, an anchor chain type and a non-connection type. From the aspect of energy form, there are potential energy type and kinetic energy type. In the aspect of kinetic energy utilization technology, the device can be divided into a line type structure and a point type structure, wherein the line type structure is like sea snakes (Pelamis) and belongs to pitching type (Pitch); the point absorption type structure PA can be classified into a Heave type (heavie) and a pitch type.

The wave energy is concentrated near the water surface, and gradually decays as the water depth increases until it disappears. Waves are a form of oscillatory motion, in regular waves, the wave theory considers that the motion trajectory of water particles is circular or nearly circular, the motion speed amplitude of the water particles is basically constant, the motion direction of the water particles is a tangent of the circular trajectory and changes along time, and the motion form is called wave orbital motion.

Disclosure of Invention

The invention aims to solve the technical problem of providing a power generation device and an AUV (autonomous underwater vehicle) which utilize wave orbital motion, and the power generation device and the AUV are suitable for underwater vehicles such as the AUV and can be used as an independent power station.

The technical scheme adopted by the invention for solving the technical problems is as follows: the power generation device utilizing the wave orbital motion is characterized by comprising at least two swing wings, wherein when the two swing wings are in a balanced state, the included angle of the two swing wings is a specific angle, a transmission and power generation device is arranged between the two swing wings, a power generator is driven to generate power by utilizing the relative motion between the two swing wings, and the two swing wings are connected through a hinge. The A-type power generation device utilizes wave orbital motion.

According to the technical scheme, the specific angle range is 80-100 degrees.

According to the technical scheme, the optimal value of the specific angle is 90 degrees. Angles in a range adjacent 90 degrees, such as 85 degrees or 95 degrees, are also effective.

According to the technical scheme, a counterweight device is additionally arranged on the hinge.

The invention also provides an AUV (autonomous Underwater vehicle) generating power by utilizing wave orbital motion, which comprises at least two swing wings, wherein when the two swing wings are in a balanced state, the included angle is a specific angle, the AUV shell is respectively connected with the two swing wings through hinges, and a power generation device is arranged between the two swing wings or between the two swing wings and the AUV shell.

According to the technical scheme, the specific angle range is 80-100 degrees.

According to the technical scheme, the optimal value of the specific angle is 90 degrees, and the swing wing is in a flat plate shape.

According to the technical scheme, the wave energy power generation device further comprises a damping flat plate which is rigidly connected with the AUV shell and equal to the included angle of the two swing wings in balance, so that the T-shaped wave energy power generation device is formed.

According to the technical scheme, the specific angle is 180 degrees, the swing wing is a W-shaped swing wing and comprises a plurality of sections of adjacent clamping plates which are fixedly connected, and the included angle between the adjacent clamping plates is 80-100 degrees (the optimal value is 90 degrees).

According to the technical scheme, the clamp also comprises 1 guide section and/or 1 rear guide section, and the included angle range of the guide section, the rear guide section and the adjacent clamping plate section is 125-145 degrees. Similarly, 135 degrees is the optimum angle, and angles within a certain range adjacent to 135 degrees, such as 130 degrees, are also very effective.

The invention has the following beneficial effects:

firstly, the power generation device utilizing the orbital motion of the waves realizes the relative motion between two swing wings by utilizing the motion characteristics of water particles in the waves, captures more wave energy and generates power.

Secondly, the AUV and other underwater vehicles which generate power by utilizing wave orbital motion combine the structural characteristics of the AUV, utilize the self weight of the AUV and utilize the motion characteristics of water particles in waves to generate power by wave energy, thereby realizing self-sufficiency of electric power.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a type a wave energy power generation device in an embodiment of the invention;

fig. 2 is a type a wave power generation device suitable for an AUV in an embodiment of the present invention;

fig. 3 is a three-dimensional schematic view of a type a wave energy power generation device in an embodiment of the invention;

FIG. 4 is a T-shaped wave power generation device in an embodiment of the invention;

FIG. 5 is a wave power generation device with W-shaped swing wings in an embodiment of the invention;

FIG. 6 is a sectional structure of a W-shaped swing wing in the embodiment of the present invention;

in the figure: 100-wave water surface; 101-a hinge; 102-left wing; 103-right wing; 104-a spring; 105-a power generation device; 110-AUV housing; 111-left wing hinge; 112-right wing hinge; 201-damping plate; 300-W type left wing; 310-W type right wing; 311-a leading segment; 312 — a first splint section; 313-a second clamp segment; 314-back lead section.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The first embodiment is as follows: fig. 1 provides an a-type underwater wave power generation device, which is located below a wave water surface 100 and comprises a hinge 101, a left side swing wing (left wing) 102 and a right side swing wing (right wing) 103. The left wing 102 and the right wing 103 are connected through a hinge 101, a transmission and power generation device 105 is arranged between the left wing 102 and the right wing 103, and the power generation device 105 is driven by the relative rotation of the two wings to generate electric power. When the left wing 102 and the right wing 103 are in an external force balance state or at the middle position of the movement stroke, the included angle is 90 degrees; when waves act, the two

swing wings

102 and 103 swing slightly around an included angle of 90 degrees. . A transmission and power generation device (equivalent to a damping device) 105 is arranged between the two swing wings. A spring device 104 can be installed between the two wings to adjust the motion characteristics of the two

swing wings

102 and 103 driven by the waves, such as resonance with the wave motion. Increasing the mass of the hinge 101 can increase the power generation capacity and a counter-weight device can be added to the hinge 101. The left wing 102 and the right wing 103 are generally thin plate structures, and the length direction is perpendicular to the paper surface of fig. 1.

Example two: for AUV underwater vehicle wave energy power generation, as shown in fig. 2, AUV housing 110 may be connected to left wing 102 and right wing 103 via respective hinged left wing hinge 111 and right wing hinge 112. When the two wings are in a balanced state or in the middle position of the motion stroke, the included angle is still 90 degrees. In this case, 1 set of transmission and power generation device may be installed at the hinge joint between the two wings and the housing 110, or one set of power generation device may be shared.

AUV housing 110 is generally cylindrical in shape and left wing 102 and right wing 103 may be flat in shape, as shown in fig. 3.

Example three: the T-shaped underwater wave power generation device is provided, as shown in fig. 4, 1 set of damping flat plates 2011 are additionally arranged and rigidly connected with the AUV shell 110, and when the left wing 102 and the right wing 103 are in a balanced state or at the middle position of a movement stroke, included angles of 90 degrees with the damping flat plates 201 are respectively provided.

Example four: an underwater wave power generation device with a W-shaped swing wing is provided, as shown in fig. 5, a W-shaped left wing 300 and a W-shaped right wing 310 on two sides are respectively connected with an AUV shell through

hinges

111 and 112. The W-shaped swing wing includes a plurality of adjacent clip segments, such as a first clip segment 312 and a second clip segment 312 in fig. 6, which are fixedly connected at an included angle of 90 degrees. The nip widths (parallel to the plane of the paper) may be the same or different. Leading section 311 and/or trailing section 314 may also be included at other angles, such as 135 degrees, respectively, with the cleat adjacent thereto.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The power generation device utilizing the wave orbital motion is characterized by comprising at least two swing wings, wherein when the two swing wings are in a balanced state, the included angle of the two swing wings is a specific angle, a transmission and power generation device is arranged between the two swing wings, a power generator is driven to generate power by utilizing the relative motion between the two swing wings, and the two swing wings are connected through a hinge.

2. The power generation device using wave orbital motion according to claim 1, wherein the specific angle is in a range of 80 to 100 degrees.

3. The power generation apparatus using wave orbital motion according to claim 2, characterized in that the optimal value of the specific angle is 90 degrees.

4. The power generation device using wave orbital motion according to claim 1, 2 or 3, characterized in that a weight device is attached to the hinge.

5. The AUV is characterized by comprising at least two swing wings, wherein when the two swing wings are in a balanced state, the included angle is a specific angle, the AUV shell is respectively connected with the two swing wings through hinges, a power generation device is arranged between the two swing wings, or the power generation device is arranged between the two swing wings and the AUV shell.

6. The AUV for power generation by wave orbital motion according to claim 5, wherein the specific angle is in the range of 80 to 100 degrees.

7. The AUV for power generation by wave orbital motion according to claim 6, wherein the optimum value of the specific angle is 90 degrees and the swing wings are flat.

8. The AUV for generating electricity by utilizing wave orbital motion according to claim 5, 6 or 7, which further comprises a damping flat plate, wherein the damping flat plate is rigidly connected with the AUV shell and has an equal included angle with the two swing wings in balance.

9. The AUV for generating electricity by utilizing wave orbital motion according to claim 5, wherein the specific angle is 180 degrees, the swing wing is a W-shaped swing wing and comprises a plurality of sections of adjacent clamping plates which are fixedly connected, and the included angle between the adjacent clamping plates ranges from 80 degrees to 100 degrees.

10. The AUV for generating power by utilizing wave orbital motion according to claim 9, further comprising 1 leading section and/or 1 trailing section, wherein the included angle between the leading section and the trailing section and the adjacent clamping plate section is 125-145 degrees.