CN-121993339-A - Wave energy power generation device

CN121993339ACN 121993339 ACN121993339 ACN 121993339ACN-121993339-A

Abstract

The invention relates to the technical field of power generation devices and discloses a wave energy power generation device which comprises a first power generation module, a second power generation module and a third power generation module, wherein the first power generation module is arranged on a base and comprises a first air chamber, a first air permeability and a first power generator, the first opening is formed in the lower side of the first air chamber, the second opening is formed in the top of the first air chamber, a first air turbine is arranged in the second opening, the second power generation module is arranged on the base and comprises a second air chamber, a second air permeability and a second power generator, a third opening is formed in the lower side of the second air chamber, a fourth opening is formed in the top of the second air chamber, the second air turbine is arranged in the fourth opening, when wave action is encountered, air pressure difference between the two air chambers drives air to flow out of the air chamber at the high pressure side, and sequentially flows through the air turbines at the top of the air chambers, a communicating pipe and the air turbines at the top of the low pressure side of the air chamber, and the same air flow can continuously push the two air turbines to rotate to do work to drive the respective power generators to generate power, so that the overall conversion efficiency of wave energy is remarkably improved.

Inventors

GUO XINRAN
YANG YI
LIU SHI
LIANG CHONGGAN
WEI SHENGHUA
HOU AIJUN
XU ZEFENG
WANG HONGXING

Assignees

南方电网电力科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260224

Claims (10)

1. A wave energy power plant, comprising: A base (17); The first power generation module is arranged on the base (17) and comprises a first air chamber (1), a first air turbine (2) and a first power generator, a first opening (101) is formed in the lower side of the first air chamber (1), the first opening (101) is located below the water surface, a second opening (102) is formed in the top of the first air chamber (1), the first air turbine (2) is arranged in the second opening (102), and a rotating shaft of the first air turbine (2) is connected with a rotating shaft of the first power generator; The second power generation module is arranged on the base (17) and comprises a second air chamber (4), a second air turbine (5) and a second power generator, a third opening (401) is formed in the lower side of the second air chamber (4), the third opening (401) is located below the water surface, a fourth opening (402) is formed in the top of the second air chamber (4), the second air turbine (5) is arranged in the fourth opening (402), and a rotating shaft of the second air turbine (5) is connected with the rotating shaft of the second power generator; and a communicating pipe (7), wherein one end of the communicating pipe (7) is communicated with the second opening (102), and the other end of the communicating pipe (7) is communicated with the fourth opening (402).
2. A wave power unit according to claim 1, characterized in that the wave power unit further comprises: The space adjusting module is arranged on the base (17) and is used for adjusting the horizontal space between the first air chamber (1) and the second air chamber (4) so that the space between the first air chamber (1) and the second air chamber (4) is equal to one half of the wave wavelength of the current time period; the middle part of the communicating pipe (7) is provided with a telescopic corrugated pipe (701).
3. A wave energy power unit according to claim 2, characterized in that the pitch adjustment module comprises a first adjustment arm (8), a second adjustment arm (9), a first motor (10) and a second motor (11); One end of the first adjusting arm (8) is connected with the first air chamber (1), and the other end of the first adjusting arm (8) is provided with a first rack; One end of the second adjusting arm (9) is connected with the second air chamber (4), and the other end of the second adjusting arm (9) is provided with a second rack; a first gear (12) meshed with the first rack is arranged on the output shaft of the first motor (10); a second gear (13) meshed with the second rack is arranged on the output shaft of the second motor (11); the first motor (10) and the second motor (11) are both arranged on the base (17).
4. A wave power unit according to claim 3, characterized in that the wave power unit further comprises: A horizontal guiding module for providing horizontal guiding for the first air chamber (1) and the second air chamber (4); the horizontal guide structure is arranged on the base (17).
5. A wave energy power unit according to claim 4, characterized in that the horizontal guiding module comprises a guiding beam (14), a first guiding rail (151) and a second guiding rail (152); The first guide rail (151) is fixed at the top of the first air chamber (1), and the second guide rail (152) is fixed at the top of the second air chamber (4); The guide beam (14) horizontally extends, one end of the guide beam (14) is arranged in the first guide rail (151) in a sliding mode, and the other end of the guide beam (14) is arranged in the second guide rail (152) in a sliding mode; Both ends of the guide beam (14) are provided with limiting parts (16); The guide beam (14) is fixed on the base (17).
6. The wave power unit according to claim 5, characterized in that the wave power unit further comprises: And the height adjusting module is used for adjusting the height of the wave energy power generation device.
7. A wave energy power unit according to claim 6, characterized in that the height adjustment module comprises a first telescopic cylinder (18); The first telescopic cylinder (18) is arranged on the base (17), a supporting table (19) is arranged at the top of the first telescopic cylinder (18), and the first motor (10) and the second motor (11) are both arranged on the supporting table (19); the guide beam (14) is fixed on the top of the supporting table (19).
8. A wave energy power unit according to claim 7, characterized in that the guiding beams (14) are arranged horizontally at intervals, and the four corners of the supporting table (19) are provided with first struts (20); the top of the first supporting rod (20) is fixedly connected with the guide beam (14).
9. A wave power unit according to claim 8, characterized in that a horizontal stay (21) is further provided between two adjacent guide beams (14), each horizontal stay (21) being provided with a support plate (22) for supporting the communication pipe (7).
10. A wave energy power unit according to claim 1, characterized in that the first air turbine (2) and the second air turbine (5) each comprise a rotating part (26); A plurality of groups of guide parts are circumferentially arranged on the outer side wall of each rotating part (26) at intervals, and each group of guide parts comprises a first guide blade (281), a second guide blade (282) and a driving blade (27); The first guide vane (281) and the second guide vane (282) are arranged at an acute angle in an up-down interval, the driving vane (27) is positioned at the top of the acute angle, and one side of the driving vane (27) facing the first guide vane (281) and the second guide vane (282) is provided with an inner groove (271).

Description

Wave energy power generation device Technical Field The invention relates to the technical field of power generation devices, in particular to a wave energy power generation device. Background At present, wave energy is a renewable energy source widely existing in the ocean and has the advantages of cleanness and reproducibility. Wave energy power generation technology is technology for converting wave energy in the ocean into electric energy, and in the technical field, various improvements have been made in the prior art in order to further improve energy conversion efficiency. For example, CN118532291a discloses a high efficiency wave energy power plant based on a double air turbine. The device is provided with an air flow channel with two branches at the top of a single air chamber, and the air flow is guided by a one-way valve, so that in the compression and dilution stages of the air chamber, the air turbines in a high-pressure area and a low-pressure area can drive a generator to generate electricity respectively. This approach optimizes energy capture in both the forward and reverse airflow directions for a single plenum. However, such single plenum-based improvements, the physical process of energy capture and utilization thereof remains essentially limited to the interior of a single chamber. The starting point and the end point of the flow path of the air discharged during compression of the air chamber or the air sucked during dilution of the air chamber are both in the atmospheric environment, and the energy contained in one air flow is directly discharged or supplemented from the atmosphere after one turbine works, so that the energy is only utilized once, and the further improvement of the power generation efficiency is restricted. Disclosure of Invention The invention aims to solve the technical problems that in the high-efficiency wave energy power generation device based on the double-air turbine in the prior art, whether the air exhausted during air chamber compression or the air sucked during air chamber expansion is in an atmospheric environment, the starting point and the end point of a flow path are both in the atmospheric environment, and energy contained in one air flow is directly discharged or supplemented from the atmosphere after one turbine works, so that the energy is only utilized once, and the further improvement of the power generation efficiency is restricted. In order to solve the above technical problems, the present invention provides a wave power generation device, including: A base; The first power generation module is arranged on the base and comprises a first air chamber, a first air ventilation device and a first power generator, a first opening is formed in the lower side of the first air chamber and is positioned below the water surface, a second opening is formed in the top of the first air chamber, a first air turbine is arranged in the second opening, and a rotating shaft of the first air turbine is connected with a rotating shaft of the first power generator; the second power generation module is arranged on the base and comprises a second air chamber, a second air ventilation device and a second power generator, a third opening is formed in the lower side of the second air chamber and is positioned below the water surface, a fourth opening is formed in the top of the second air chamber, a second air turbine is arranged in the fourth opening, and a rotating shaft of the second air turbine is connected with a rotating shaft of the second power generator; and one end of the communicating pipe is communicated with the second opening, and the other end of the communicating pipe is communicated with the fourth opening. Preferably, the wave power generation device further comprises: the space adjusting module is arranged on the base and is used for adjusting the horizontal space between the first air chamber and the second air chamber so that the space between the first air chamber and the second air chamber is equal to one half of the wave wavelength of the current time period; The middle part of the communicating pipe is provided with a telescopic corrugated pipe. Preferably, the spacing adjustment module comprises a first adjustment arm, a second adjustment arm, a first motor and a second motor; one end of the first adjusting arm is connected with the first air chamber, and the other end of the first adjusting arm is provided with a first rack; one end of the second adjusting arm is connected with the second air chamber, and the other end of the second adjusting arm is provided with a second rack; a first gear meshed with the first rack is arranged on the output shaft of the first motor; A second gear meshed with the second rack is arranged on the output shaft of the second motor; The first motor and the second motor are both arranged on the base. Preferably, the wave power generation device further comprises: The horizontal guiding module is used for providing