阅读说明：本技术 一种基于波浪能分布的浮力摆式发电机构方向调节装置 (Wave energy distribution-based direction adjusting device for buoyancy pendulum type power generation mechanism ) 是由 刘晓燕 杨倩 刘巧君 禹定峰 周燕 盖颖颖 高皜 杨雷 于 2020-07-17 设计创作，主要内容包括：本发明公开一种基于波浪能分布的浮力摆式发电机构方向调节装置,浮力摆式发电机构包括摆体、底座、动力传递部件、发电机；摆体安装在底座上,动力传递部件分别与摆体、发电机连接；该装置还包括基座、旋转云台、波浪能分布因子检测部件、控制平台；旋转云台安装在基座上,底座安装在旋转云台上,随旋转云台转动；波浪能分布因子检测部件、旋转云台分别与控制平台电连接；控制平台根据波浪能分布因子检测部件所检测的各分子因子计算波浪能在各个方向上的分布,根据计算结果控制旋转云台带动摆体转动。本装置选出能量最大的方向,通过旋转云台控制摆体旋转,使摆体可迎接波浪能最大的波浪位置,以有效提高俘获效率。(The invention discloses a direction adjusting device of a buoyancy pendulum type power generation mechanism based on wave energy distribution, wherein the buoyancy pendulum type power generation mechanism comprises a pendulum body, a base, a power transmission part and a generator; the pendulum body is arranged on the base, and the power transmission part is respectively connected with the pendulum body and the generator; the device also comprises a base, a rotating holder, a wave energy distribution factor detection component and a control platform; the rotating cloud platform is arranged on the base, and the base is arranged on the rotating cloud platform and rotates along with the rotating cloud platform; the wave energy distribution factor detection component and the rotating holder are respectively and electrically connected with the control platform; and the control platform calculates the distribution of the wave energy in all directions according to the molecular factors detected by the wave energy distribution factor detection part, and controls the rotating holder to drive the pendulum body to rotate according to the calculation result. The device selects the direction with the largest energy, and controls the pendulum body to rotate through the rotating holder, so that the pendulum body can meet the position of the wave with the largest wave energy, and the capture efficiency is effectively improved.)

1. A buoyancy pendulum type generating mechanism direction adjusting device based on wave energy distribution comprises a pendulum body, a base, a power transmission part and a generator; the pendulum body is arranged on the base, and the power transmission part is respectively connected with the pendulum body and the generator; the device is characterized by also comprising a base and a rotating holder; the rotating cloud platform is arranged on the base, and the base is arranged on the rotating cloud platform and rotates along with the rotating cloud platform; the device also comprises a wave energy distribution factor detection component and a control platform; the wave energy distribution factor detection component and the rotating holder are respectively and electrically connected with the control platform; and the control platform calculates the distribution of the wave energy in all directions according to the molecular factors detected by the wave energy distribution factor detection part, and controls the rotating holder to drive the pendulum body to rotate according to the calculation result.

2. The wave energy distribution-based buoyancy pendulum power generation mechanism direction adjustment device according to claim 1, characterized in that the wave energy distribution factor detection means comprises: a wavelength detection piece for detecting wave wavelength and a wind speed detection piece for detecting wind speed at a height of 10 meters above the sea surface.

3. The wave energy distribution-based direction adjustment device for the buoyant pendulum power generation mechanism according to claim 2, wherein the control platform calculates the wave energy distribution in each direction according to the following formula:

wherein the content of the first and second substances,

for waves at an angleAnd

in addition, the first and second substrates are,

Q＝4.14exp(-0.809P^0.766)≤1.42；

where ω 2 π/λ is the wavenumber, λ is the wavelength, ω is₀Is the spectral peak wavenumber, g is the gravitational acceleration, t is the wind time, U is the average wind speed at 10m height above the sea surface.

4. The wave energy distribution based buoyancy pendulum power generation mechanism direction adjustment device of claim 3, characterized in that the device further comprises a generated power detector; the power generation power detector is electrically connected with the generator and the control platform respectively.

5. The wave energy distribution-based direction adjusting device for the buoyancy pendulum power generation mechanism according to claim 4, wherein the control platform comprises a memory for storing the generated power, the wavelength and the wind speed at 10m height above the sea surface in real time.

6. The wave energy distribution-based direction adjusting device for the buoyancy pendulum type power generation mechanism, according to claim 5, characterized in that the control platform optimizes the angle by using a neural network learning algorithm based on the generated power, the wavelength and the wind speed at 10m height above the sea surfaceAndand adjusting the angle in real time or in a preset time period based on the optimization resultAndthe value step size of (2).

7. The wave energy distribution-based direction adjusting device for the buoyant pendulum power generation mechanism according to claim 4, 5 or 6, further comprising an alarm, wherein the alarm is electrically connected with the controller, and the alarm is used for alarming when the control platform detects that the generated power is abnormal.

8. The wave energy distribution based buoyancy pendulum power generation mechanism direction adjustment device of any one of claims 1-6, wherein the power transmission member is a hydraulic cylinder.

Technical Field

The invention relates to the field of buoyancy pendulum type wave energy power generation, in particular to a direction adjusting device of a buoyancy pendulum type power generation mechanism based on wave energy distribution.

Background

The buoyancy pendulum type sea wave power generation device has the advantages of high capacity capture efficiency, wide frequency response range, high reliability, low construction cost and the like under normal sea conditions, and is widely used in the field of sea wave power generation. The traditional buoyancy pendulum type sea wave power generation device is generally installed, and the pendulum body is fixed in the wave facing direction and cannot be adjusted, so that the capture efficiency is influenced. At present, although the scheme of adjusting the direction of the swing part according to wave parameters to adjust the effective wave width is adopted, the swing part is adjusted according to the overall direction of the waves, the energy distribution of each wave in different directions is different, and the prior art cannot obtain better capture efficiency.

Disclosure of Invention

In order to solve the problems, the invention provides a direction adjusting device of a buoyancy pendulum type power generation mechanism based on wave energy distribution, which is used for adjusting the direction of a pendulum body based on the wave energy distribution direction so as to effectively improve the energy capture efficiency.

The technical scheme of the invention is as follows: a buoyancy pendulum type generating mechanism direction adjusting device based on wave energy distribution comprises a pendulum body, a base, a power transmission part and a generator; the pendulum body is arranged on the base, and the power transmission part is respectively connected with the pendulum body and the generator; the device also comprises a base and a rotating holder; the rotating cloud platform is arranged on the base, and the base is arranged on the rotating cloud platform and rotates along with the rotating cloud platform;

the device also comprises a wave energy distribution factor detection component and a control platform; the wave energy distribution factor detection component and the rotating holder are respectively and electrically connected with the control platform; and the control platform calculates the distribution of the wave energy in all directions according to the molecular factors detected by the wave energy distribution factor detection part, and controls the rotating holder to drive the pendulum body to rotate according to the calculation result.

Further, the wave energy distribution factor detection means includes: a wavelength detection piece for detecting wave wavelength and a wind speed detection piece for detecting wind speed at a height of 10 meters above the sea surface.

Further, the control platform calculates the distribution of the wave energy in each direction according to the following formula:

wherein the content of the first and second substances,

for waves at an angleAnd

energy distribution between, omega₂、ω₁Is thatThe wave number in the direction;

in addition, the first and second substrates are,

is a frequency spectrum of the frequency spectrum,is a function of the direction of the light,is a normalization function;

the wave number is a dimensionless wave number,

the wave number of the dimensionless spectrum peak,is 1.95 th power of the dimensionless peak wavenumber;

Q＝4.14exp(-0.809P^0.766)≤1.42；

where ω 2 π/λ is the wavenumber, λ is the wavelength, ω is₀Is the spectral peak wavenumber, g is the gravitational acceleration, t is the wind time, U is the average wind speed at 10m height above the sea surface.

Further, the device also comprises a generated power detector; the power generation power detector is electrically connected with the generator and the control platform respectively.

Further, the control platform comprises a memory for storing the generated power, the wavelength and the wind speed at the height of 10m above the sea surface in real time.

Further, the control platform optimizes the angle by adopting a neural network learning algorithm based on the generated power, the wavelength and the wind speed at the height of 10m above the sea surface

And

and adjusting the angle in real time or in a preset time period based on the optimization resultAndthe value step size of (2).

Further, the device also comprises an alarm which is electrically connected with the controller, and when the control platform detects that the generated power is abnormal, the alarm gives an alarm.

Further, the power transmission member is a hydraulic cylinder.

The invention provides a direction adjusting device of a buoyancy pendulum type power generation mechanism based on wave energy distribution, which is provided with a rotating holder, so that a pendulum body can rotate along with the rotating holder, a control platform can adjust the direction of the pendulum body conveniently, the control platform calculates the energy distribution of waves to which the pendulum body faces in all directions according to wave energy distribution factors, the direction with the largest energy is selected, the pendulum body is controlled to rotate by the rotating holder, the pendulum body can face the position of the waves with the largest wave energy, and the capture efficiency is effectively improved.

Drawings

FIG. 1 is a block diagram illustrating the structure of an embodiment of the present invention.

In the figure, 1-pendulum body, 2-base, 3-base, 4-rotating holder, 5-generator, 6-power generation power detector, 7-control platform, 8-wave energy distribution factor detection component and 9-alarm.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.

The embodiment provides a direction adjusting device for a buoyancy pendulum type power generation mechanism based on wave energy distribution, which adjusts the direction of the buoyancy pendulum type power generation mechanism by analyzing the distribution direction of wave energy so as to receive the largest wave energy and improve the capture efficiency.

The buoyancy pendulum type generator 5 comprises a pendulum body 1, a base 2, a power transmission component (not shown in the figure) and a generator 5; the pendulum body 1 is arranged on the base 2, and the power transmission part is respectively connected with the pendulum body 1 and the generator 5. Specifically, the power transmission member may be a hydraulic cylinder.

For realizing the rotation of pendulum body 1, this embodiment sets up base 3 and rotatory cloud platform 4, and rotatory cloud platform 4 is installed on base 3, and base 2 is installed on rotatory cloud platform 4, rotates along with rotatory cloud platform 4. The rotating holder 4 rotates to finally drive the pendulum body 1 to rotate.

The rotating holder 4 is controlled by a control platform 7, and the control platform 7 collects wave energy distribution factors through a wave energy distribution factor detection component 8 so as to calculate the wave energy distribution direction. Specifically, the wave energy distribution factor detection component 8 and the rotating holder 4 are respectively electrically connected with the control platform 7; the control platform 7 calculates the wave energy distribution in each direction according to each molecular factor detected by the wave energy distribution factor detection part 8, and controls the rotating holder 4 to drive the pendulum body 1 to rotate according to the calculation result.

Wherein, wave energy distribution factor detects part 8 includes: a wavelength detection piece for detecting wave wavelength and a wind speed detection piece for detecting wind speed at a height of 10 meters above the sea surface. The control platform 7 calculates the wave energy distribution through the wavelength and the wind speed at a height of 10 meters above the sea surface.

Specifically, the prior art generally calculates the total wave energy in a certain region, but the energy of the waves is also in different directions, i.e. the distribution of the energy in different directions is different. The embodiment calculates the fractional energy of a specific direction based on the wave direction spectrum, thereby knowing the distribution direction of the energy to find the direction in which the energy distribution is maximum, and adjusting the direction of the pendulum body 1 based on the direction.

The control platform 7 calculates the distribution of the wave energy in each direction according to the following formula (1):

wherein the content of the first and second substances,

for waves at an angleAndenergy distribution between, omega₂、ω₁Is thatWave number in the direction.

Is the wave direction spectrum.

Is a frequency spectrum of the frequency spectrum,is a function of the direction of the light,

is a normalization function;

the wave number is a dimensionless wave number,

the wave number of the dimensionless spectrum peak,is 1.95 th power of the dimensionless peak wavenumber;

Q＝4.14exp(-0.809P^0.766)≤1.42；

where ω 2 π/λ is the wavenumber, λ is the wavelength, ω is₀Is the spectral peak wavenumber, g is the gravitational acceleration, t is the wind time, U is the average wind speed at 10m height above the sea surface.

Through the calculation, the distribution of the wave energy in any direction can be obtained.

In order to detect the validity of the above calculation, the present embodiment further provides a generated power detector 6; the generated power detector 6 is electrically connected with the generator 5 and the control platform 7 respectively to detect whether the generated power of the generator 5 is effectively improved or not and further optimize the optimal selection direction.

The control platform 7 comprises a memory for storing the generated power, the wavelength and the wind speed at the height of 10 meters above the sea surface in real time. The control platform 7 optimizes the angle by adopting a neural network learning algorithm based on the generated power, the wavelength and the wind speed at the height of 10m above the sea surfaceAndand adjusting the angle in real time or in a preset time period based on the optimization result

And

to further optimize the energy-taking result.

This embodiment still sets up alarm 9, and alarm 9 is connected with the controller electricity, and it reports to the police through alarm 9 when control platform 7 detects the generating power anomaly to remind the staff in time to overhaul.

The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.