CN-122014481-A - Wind and rain wave multisource coupling energy collecting friction nano power generation device

CN122014481ACN 122014481 ACN122014481 ACN 122014481ACN-122014481-A

Abstract

The invention discloses a wind and rain wave multi-source coupling energy collecting friction nano power generation device which comprises an upper energy capturing structure, a lower energy converting structure and a water level adjusting assembly, wherein the upper energy capturing structure comprises a chiral torsion blade and a hollow rotating shaft, the surface of the chiral torsion blade forms a rainwater diversion path, the chiral torsion blade is connected with the hollow rotating shaft, a rainwater diversion channel is formed in the hollow rotating shaft, the lower energy converting structure comprises a shell, the interior of the shell is axially divided into a rotary friction power generation cavity and a liquid friction power generation cavity, the liquid friction power generation cavity is communicated with the rainwater diversion channel, and the water level adjusting assembly is arranged at one end, far away from the upper energy capturing structure, of the rainwater diversion channel. The wind energy-driven wind power generation device realizes synchronous response and collaborative energy conversion under three natural excitation conditions through the design of the upper energy capturing structure and the lower energy conversion structure, and the blades have wind energy-driven rotation and rainwater diversion functions and are coupled with the liquid friction power generation cavity.

Inventors

FENG XIAOMING
CHEN PENG
LI YAN
WEI LINSU
LIU HAO
LI WENQIAN
PAN YANCHENG
SHEN YILONG

Assignees

江苏科技大学

Dates

Publication Date: 20260512
Application Date: 20260408

Claims (10)

1. The wind and rain wave multi-source coupling energy collecting friction nano power generation device is characterized by comprising an upper energy capturing structure (1), a lower energy conversion structure (2) and a water level adjusting assembly (3), wherein the upper energy capturing structure (1) comprises a chiral torsion blade (11) and a hollow rotating shaft (12), a rainwater diversion path is formed in the surface of the chiral torsion blade (11) and is connected with the hollow rotating shaft (12), a rainwater diversion channel (13) is formed in the hollow rotating shaft (12), the lower energy conversion structure (2) comprises a shell (21), the interior of the shell (21) is axially divided into a rotary friction power generation cavity (22) and a liquid friction power generation cavity (23), the liquid friction power generation cavity (23) is communicated with the rainwater diversion channel (13), and the water level adjusting assembly (3) is arranged at one end, far away from the upper energy capturing structure (1), of the rainwater diversion channel (13).
2. The wind and rain wave multi-source coupled energy collecting friction nano power generation device according to claim 1, wherein the chiral torsion type blade (11) is of a chiral structure with a space torsion curved surface, the height of the chiral structure is 150-300 mm, the maximum outer diameter of the chiral structure is 200-400 mm, and the torsion angle in the height direction is 30-150 degrees.
3. The wind and rain wave multi-source coupled energy collecting friction nano power generation device according to claim 1, wherein the inner diameter of the hollow rotating shaft (12) is 5-20 mm.
4. The wind and rain wave multi-source coupled energy collecting friction nano power generation device according to claim 1, wherein a first friction layer (221) and a second friction layer (222) are arranged in the rotary friction power generation cavity (22), the first friction layer (221) is fixed on the inner wall of the shell (21), and the second friction layer (222) is fixedly arranged on the hollow rotating shaft (12) and synchronously rotates along with the hollow rotating shaft (12).
5. The wind and rain wave multi-source coupled energy collection friction nano power generation device according to claim 4, wherein the first friction layer (221) is an FEP friction layer with the thickness of 0.5-2 mm, and the second friction layer (222) is a PTFE friction layer with the thickness of 0.5-2 mm.
6. The wind and rain wave multi-source coupled energy collecting friction nano power generation device according to claim 1, wherein a plane attached copper electrode array (24) is arranged at the bottom of the rotary friction power generation cavity (22).
7. The wind and rain wave multi-source coupled energy collecting friction nano power generation device according to claim 6, wherein the copper electrode array (24) comprises a plurality of fan-shaped copper electrodes, the unit angles of the fan-shaped copper electrodes are 20-60 degrees, and the number of the fan-shaped copper electrodes is in integer multiple relation with the number of the second friction layers.
8. The wind-rain wave multi-source coupling energy collecting friction nano power generation device according to claim 7, wherein the fan-shaped copper electrodes are staggered in an alternating manner of positive and negative electrodes.
9. The wind and rain wave multi-source coupled energy collecting friction nano power generation device is characterized in that a copper electrode is attached to the inner wall of the liquid friction power generation cavity (23), and the length of the copper electrode is 10-70 mm.
10. The wind and rain wave multi-source coupled energy collecting friction nano power generation device according to claim 1, wherein the water level adjusting component (3) is a ball float valve (31), and the ball float valve (31) is used for blocking a rainwater drainage channel (13) when the liquid level reaches a set height.

Description

Wind and rain wave multisource coupling energy collecting friction nano power generation device Technical Field The invention belongs to a power generation device, and particularly relates to a wind and rain wave multi-source coupled energy collecting friction nano power generation device. Background The marine environment contains wind energy, rainfall, wave and other available environmental energy sources, and the environmental incentives are always simultaneous in the marine environment and have certain synchronism in time and space. The existing environmental energy collecting device mostly adopts an electromagnetic generator (EMG) as an energy conversion unit, and realizes power generation through mechanical transmission modes such as impeller rotation, water flow driving or floating structure movement. However, such devices generally rely on mechanical transmission structures, and the overall structure is relatively complex, and the device is relatively large in size, relatively high in manufacturing cost and maintenance cost, and relatively high in requirements for structural reliability, sealing performance and corrosion resistance under marine environment long-term running conditions. For example, patent CN120845252a in the prior art proposes a multi-energy power generation platform, the energy conversion of which still mainly depends on an electromagnetic generator and a mechanical transmission structure, the overall structure is relatively complex, and patent CN206681911U realizes the utilization of wind energy and rainwater energy by switching between different working modes, and the conversion between different power generation modes is needed, so that the collaborative collection of multiple environmental energy sources is difficult. The friction nano generator (TENG) is used as a novel energy collection technology for realizing mechanical energy conversion based on the principles of contact electrification and electrostatic induction, compared with a traditional electromagnetic power generation mode, the device has a relatively simple structure, and can realize energy conversion under the condition of small mechanical excitation, so that the device has certain application potential in the field of environmental energy collection. However, TENG related research has mostly focused on single energy collection, using multiple device stacks to achieve multi-source energy collection, low device integration, and severe interference between parts. Therefore, the prior art still lacks an environmental energy collecting device which has a relatively simplified structure, can simultaneously adapt to the combined action of wind energy, rainfall and waves, and realizes synchronous and collaborative collection of multi-source environmental energy. Disclosure of Invention The invention aims to overcome the defects in the prior art, and aims to provide the wind and rain wave multi-source coupling energy collecting friction nano power generation device which does not need complex mechanical transmission, is convenient to install and has low cost. The wind and rain wave multi-source coupling energy collecting friction nano power generation device comprises an upper energy capturing structure, a lower energy converting structure and a water level adjusting assembly, wherein the upper energy capturing structure comprises a chiral torsion type blade and a hollow rotating shaft, the torsion structure on the surface of the chiral torsion type blade is used for guiding rainwater to flow along the surface of the blade, the chiral torsion type blade is connected with the hollow rotating shaft, a rainwater drainage channel is formed in the hollow rotating shaft, the lower energy converting structure comprises a shell, the interior of the shell is axially divided into a rotary friction power generation cavity and a liquid friction power generation cavity, the liquid friction power generation cavity is communicated with the rainwater drainage channel, and the water level adjusting assembly is arranged at one end, far away from the upper energy capturing structure, of the rainwater drainage channel. Further, the chiral twist type blade is of a chiral structure with a space twist curved surface, the height of the chiral twist type blade is 150-300 mm, the maximum outer diameter of the chiral twist type blade is 200-400 mm, and the twist angle in the height direction is 30-150 degrees. Further, the inner diameter of the hollow rotating shaft is 5-20 mm. Further, a first friction layer and a second friction layer are arranged in the rotary friction power generation cavity, the first friction layer is fixed on the inner wall of the shell, and the second friction layer is fixedly arranged on the hollow rotating shaft and synchronously rotates along with the hollow rotating shaft Further, the first friction layer is an FEP friction layer with the thickness of 0.5-2 mm, and the second friction layer is a PTFE friction layer with