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CN-117145696-B - Wind-induced vortex-induced vibration energy collection device and collection method

CN117145696BCN 117145696 BCN117145696 BCN 117145696BCN-117145696-B

Abstract

The invention relates to the technical field of energy collection equipment, in particular to an energy collection device for wind-induced vortex-induced vibration, which comprises a collection box, a plurality of collection heads and a plurality of collection assemblies, wherein the collection box comprises a box body and a plurality of fixed top boxes, a baffle is arranged in the box body, the baffle divides a cavity of the box body into a plurality of collection cavities, the collection heads are used for guiding external wind into the collection cavities of the box body, the collection assemblies are used for collecting wind power and converting the wind power into electric energy, each collection assembly comprises an interference piece, a collection plate, an elastic plate, a power generation module and a storage battery, the collection plates are arranged in the collection cavities corresponding to the fixed top boxes, the elastic plate, the power generation module and the storage battery are all arranged in the corresponding cavities of the fixed top boxes, the interference pieces are arranged in the collection cavities, so that unstable force is formed by wind in the collection cavities of the box body, the interference pieces are positioned between an installation opening and the collection plates, the instability of the wind is increased through the arrangement of the interference pieces, and the vibration frequency is increased, so that the energy can be efficiently collected.

Inventors

  • LI ZICHANG
  • ZHENG JIANFENG
  • ZHANG HAN
  • CHEN XUANYU

Assignees

  • 常州大学

Dates

Publication Date
20260508
Application Date
20230905

Claims (7)

  1. 1. An energy harvesting device for wind-induced vortex-induced vibration, comprising: The collecting box (1) comprises a box body (11) and a plurality of fixed top boxes (12), wherein a partition plate (13) is arranged in the box body (11), a cavity of the box body (11) is divided into a plurality of collecting cavities (111) by the partition plate (13), a plurality of mounting openings (112) are formed in the upper front side wall of the collecting box (1), the mounting openings (112) are in one-to-one correspondence with the collecting cavities (111), the mounting openings (112) are communicated with the corresponding collecting cavities (111), and the collecting cavities (111) of the box body (11) are at least communicated with one fixed top box (12); The collecting heads (2) are used for guiding external wind into the collecting cavity (111) of the box body (11), the collecting heads (2) and the mounting ports (112) are in one-to-one correspondence, the collecting heads (2) are communicated with the corresponding mounting ports (112), the collecting heads (2) comprise a first collecting head (21), a second collecting head (22) and a third collecting head (23), the first collecting head (21) and the third collecting head (23) are arranged along the Y-axis direction, the first collecting head (21) and the third collecting head (23) are positioned on the same straight line, the second collecting head (22) is positioned between the first collecting head (21) and the second collecting head (22), and the second collecting head (22) is arranged at the rear side of the first collecting head (21) along the X-axis direction, so that wake flow of the first collecting head (21) and wake flow of the third collecting head (23) are collected at the second collecting head (22); And a plurality of collecting components (3) for collecting wind power and converting the wind power into electric energy, wherein the collecting components (3) are in one-to-one correspondence with the fixed top boxes (12), the collecting components (3) comprise interference pieces (31), collecting plates (32), elastic plates (33), power generation modules (34) and storage batteries (35), The collecting plate (32) is arranged in a collecting cavity (111) corresponding to the fixed top box (12), the collecting plate (32) can shake under wind force, and the collecting plate (32) is provided with a plurality of through holes (321) so that the wind inside and outside the through holes (321) has a speed difference; A corner (322) is formed on one side edge of the collecting plate (32) in a protruding mode, so that a boundary layer is formed after wind contacts the corner (322); The elastic plate (33) is arranged on the inner side wall of the fixed top box (12), the elastic plate (33) is fixedly connected with the collecting plate (32), the power generation module (34) is arranged on the elastic plate (33), the power generation module (34) is electrically connected with the storage battery (35), the power generation module (34) is used for converting vibration generated by the elastic plate (33) into electric energy, the elastic plate (33), the power generation module (34) and the storage battery (35) are all arranged in the cavity of the corresponding fixed top box (12), The interference piece (31) is arranged in the collecting cavity (111) to enable wind in the collecting cavity (111) of the box body (11) to form unstable force, and the interference piece (31) is arranged between the mounting opening (112) and the collecting plate (32).
  2. 2. The wind-induced vortex-induced vibration energy collecting device according to claim 1, wherein the collecting head (2) is of a funnel-shaped structure with a large inlet end and a small outlet end.
  3. 3. An energy harvesting apparatus according to claim 1, wherein the interfering member (31) has a triangular prism structure, and when the wind contacts the interfering member (31), the wind periodically falls off the surface of the interfering member in opposite directions and is arranged in a regular line vortex.
  4. 4. An energy harvesting apparatus for wind-induced vortex-induced vibration as claimed in claim 1, wherein said elastic plate (33) has a wave-like structure.
  5. 5. An energy harvesting device according to claim 1, wherein the side of the housing (11) of the harvesting box (1) is provided with a wind direction detection assembly (4) for detecting the wind direction of the wind.
  6. 6. The wind-induced vortex-induced vibration energy collecting device according to claim 1, wherein a supporting plate (5) is arranged below the collecting box (1), and the supporting plate (5) is fixedly connected with the collecting box (1) through a supporting column (51).
  7. 7. A collecting method of an energy collecting device for wind-induced vortex-induced vibration is characterized by comprising the following steps: S1, guiding external wind force through a collecting head (2), enabling the wind force to enter a narrow sleeve (14) from the inside of the collecting head (2), and enabling the wind force to be fed into a collecting cavity (111) of a box body (11) of a collecting box (1) through the sleeve (14); S2, enabling wind entering the collecting cavity (111) to form unstable force to act on the collecting plate (32) through the interference piece (31), wherein the shape of the collecting plate (32) can further increase the shaking frequency; S3, when the collecting plate (32) shakes, the elastic plate (33) is driven to shake, energy is obtained through vibration of the elastic plate (33), and the energy is converted into electric energy through the power generation module (34), so that the electric energy is stored and transported away by the battery; S4, when the wind changes direction, acting force is generated on the wind direction detection assembly (4), so that the wind direction detection assembly (4) generates a signal and transmits the signal to staff; s5, the staff is controlled by the signals, or the signals are directly transmitted to the control module of the collecting box (1), so that the control module carries the collecting box (1) to adjust the corresponding wind direction, and the energy collection is maximized.

Description

Wind-induced vortex-induced vibration energy collection device and collection method Technical Field The invention relates to the technical field of energy collection equipment, in particular to an energy collection device for wind-induced vortex-induced vibration, and also relates to a collection method of the energy collection device for wind-induced vortex-induced vibration. Background In recent years, with the rapid development of wireless communication technology, the use of wireless sensors for monitoring is an ideal choice, and the monitoring mode has been applied to a certain extent, so that the wireless sensor has a good development prospect. As a key part of the wireless sensing network, the wireless sensing node generally consists of four parts, namely data acquisition, data processing, data transmission and energy supply, and each part is not separated from the power supply. Wind energy is mainly generated by air flow, the total reserve is very large, and the wind energy is widely distributed as renewable clean energy. The collection speed of the existing collection device is low, the collection efficiency is low, wind energy cannot be efficiently utilized, and electric energy can be effectively supplied only by using a large-range paving mode. The Chinese patent with the common name of CN113162470A discloses an energy collecting device and method for wind-induced vortex-induced vibration, wherein two ends of an elastic beam are respectively and fixedly connected to one side surface opposite to support columns on two sides, a swinging device comprises a choke body and a swinging piece, one end of the swinging piece is fixedly connected to the middle part of the lower surface of the elastic beam, and the other end of the swinging piece is fixedly connected with the choke body. Although the method can realize energy recycling, the utilization efficiency is too low, and the cost is high if the method is paved in a large range. Disclosure of Invention The invention aims to solve the technical problems that in the prior art, the collecting device is low in collecting speed and collecting efficiency, wind energy cannot be efficiently utilized, and electric energy can be effectively supplied only by using a large-range paving process, and provides an energy collecting device and an energy collecting method for wind-induced vortex-induced vibration. The invention solves the technical problems by adopting the technical scheme that the wind-induced vortex-induced vibration energy collecting device comprises: The collecting box comprises a box body and a plurality of fixed top boxes, wherein a partition plate is arranged in the box body, a cavity of the box body is divided into a plurality of collecting cavities by the partition plate, a plurality of mounting openings are formed in the upper front side wall of the collecting box, the mounting openings correspond to the collecting cavities one by one, the mounting openings are communicated with the corresponding collecting cavities, and at least one fixed top box is communicated with the collecting cavity of the box body; the collecting heads are used for guiding external wind into the collecting cavity of the box body, the collecting heads correspond to the mounting ports one by one, and the collecting heads are communicated with the corresponding mounting ports through the sleeves; And a plurality of collecting components for collecting wind power and converting the wind power into electric energy, wherein the collecting components are in one-to-one correspondence with the fixed top box, the collecting components comprise interference pieces, collecting plates, elastic plates, power generation modules and storage batteries, the collecting plates are arranged in collecting cavities corresponding to the fixed top box, and the collecting plates can shake under the wind power, The elastic plate is arranged on the inner side wall of the fixed top box, the elastic plate is fixedly connected with the collecting plate, the power generation module is arranged on the elastic plate and is electrically connected with the storage battery, the power generation module is used for converting the vibration generated by the elastic plate into electric energy, the elastic plate, the power generation module and the storage battery are all arranged in the cavity of the corresponding fixed top box, The interference piece is arranged in the collecting cavity, so that unstable force is formed by wind in the collecting cavity of the box body, the interference piece is positioned between the mounting opening and the collecting plate, the instability of the wind is increased through the arrangement of the interference piece, the vibration frequency is increased, and energy can be efficiently collected. In order to solve the problem of low collection rate of the collection head, the device further comprises a funnel-shaped structure with the collection head with a large inlet and a