Wave energy conversion equipment based on oscillating water column
By designing a servo motor-driven screw and airbag structure, the environmental protection and cleanliness efficiency issues of existing wave energy conversion equipment are solved, realizing automated waste cleaning and air filtration, and improving the environmental protection effect and energy collection efficiency of the device.
Patent Information
- Application Number
- CN202520129923.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing wave energy conversion equipment based on oscillating water columns lacks environmental benefits, requires manual cleaning of marine debris, and dust accumulation on the device surface slows air circulation, reducing power generation.
Design a screw system and airbag structure with servo motor drive. The screw drives the net to collect marine debris, and the water jet energy impacts the airbag to generate suction to clean the top of the device, realizing automated debris cleaning and air filtration.
It has achieved automated marine debris cleanup, improved environmental protection and clean energy collection efficiency, and expanded the application environment of the device.
Smart Images

Figure CN223647948U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water conservancy engineering technology, and in particular to a wave energy conversion device based on an oscillating water column. Background Technology
[0002] Wave energy conversion devices can be divided into fixed and floating types. Fixed devices are usually fixed along the coast, while floating devices mainly float on the sea surface. Fixed wave energy conversion devices can easily convert the wave energy of water columns in water sources into electrical energy. In daily use, a wave energy conversion device based on oscillating water columns is needed to facilitate the collection of clean marine electricity. However, similar wave energy conversion devices still have many shortcomings in actual use, such as: they do not have the function of improving the environmental protection effect of the device, requiring operators to use external equipment to clean the marine debris adsorbed inside the device, which increases the workload of the staff and the difficulty of cleaning the debris inside the device. At the same time, they do not have the function of improving the efficiency of the device in collecting marine clean energy. After long-term use, the dust accumulated on the surface of the device can easily lead to slow air circulation, thereby reducing the power generation of the device and limiting the operating environment of the device. Therefore, it is necessary to design a wave energy conversion device based on oscillating water columns. Utility Model Content
[0003] The purpose of this invention is to provide a wave energy conversion device based on an oscillating water column to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a wave energy conversion device based on an oscillating water column, comprising a housing, a drive mechanism, and a cleaning mechanism. A negative pressure box is fixedly installed at the bottom of the housing, and a drive mechanism is fixedly installed on one side of the negative pressure box. The drive mechanism includes a mounting plate, an airbag is embedded in one side of the mounting plate, a first one-way valve pipe is fixedly installed on one side of the airbag, and a shaft frame is fixedly installed on one side of the top of the housing. A nozzle that is connected to one end of the first one-way valve pipe is fixedly installed inside the shaft frame. A cleaning mechanism is fixedly installed on one side of the bottom of the housing, and the cleaning mechanism includes a servo motor. A screw is fixedly installed at the output end of the servo motor, a threaded sleeve is threaded onto the outer side of the screw, and a fixing plate is fixedly installed on one side of the threaded sleeve. A mesh bag is fixedly installed at the bottom of the fixing plate.
[0005] A servo motor drives a screw to rotate, which in turn moves a screw sleeve vertically. This vertical movement of the screw sleeve, in turn, moves a fixed plate synchronously. The fixed plate, in turn, moves a net to collect marine debris floating inside the negative pressure chamber, thus improving the device's environmental performance. Water jets impact the airbag, causing it to deform elastically and generate suction. Outside air is then drawn into the airbag through a second one-way valve. The airbag's high deformation force then transports the internal air to the first one-way valve, and finally, a nozzle delivers the air to the top of the chamber, effectively cleaning the filter plate on top and improving the device's efficiency in collecting marine clean energy.
[0006] Preferably, a water inlet trough is provided on one side of the housing, and this trough is connected to one side of the negative pressure box. The water inlet trough facilitates the entry of water into the negative pressure box, providing convenience for subsequent power generation using water column wave energy.
[0007] Preferably, a second one-way valve pipe is fixedly installed on the other side of the airbag, and a mounting bracket fixedly connected to the second one-way valve pipe is fixedly installed on the top of the front of the housing. The high elasticity of the airbag facilitates the delivery of outside air into the airbag through the second one-way valve pipe, thus providing an air source for subsequent cleaning of the dustproof panel on the top of the housing.
[0008] Preferably, a limiting rod is fixedly installed on one side of the inner wall of the negative pressure box, and the outer side of the limiting rod is fixedly connected to one side of the threaded sleeve via a connector. The use of the limiting rod and the connector ensures the accuracy of the vertical position of the threaded sleeve and avoids positional deviation when the threaded sleeve moves vertically.
[0009] Preferably, a shell is fixedly installed on the top of the negative pressure box. A power generation component is movably installed inside the shell via a bearing seat. A turbine generator is fixedly installed on one side of the shell, and a transmission belt, which is connected to one end of the power generation component, is sleeved onto the output end of the turbine generator. The shell provides a mounting position for the power generation component. Water entering the negative pressure box compresses the air inside and causes it to be discharged and recirculated through the shell. Waves drive the water column within the negative pressure box to reciprocate, which in turn drives the air in the negative pressure box, thereby rotating the power generation component and generating rotational mechanical energy.
[0010] Preferably, a network terminal is fixedly installed on the top side of the interior of the enclosure, and a voltage regulator is fixedly installed below the network terminal. Powering on via the network terminal allows the device's operating status to be transmitted wirelessly to a signal receiver, and the voltage regulator facilitates the conversion of power collected by the device, enabling subsequent power transmission operations.
[0011] Preferably, a controller is fixedly installed on the other side of the top of the enclosure, and a door is movably installed on the top of the front of the enclosure via a hinge. The controller is electrically connected to the internal electrical equipment via wires, facilitating intelligent control of the internal electrical equipment by the operator. Opening the door allows the operator to easily perform maintenance work on the electrical equipment installed inside the enclosure.
[0012] Preferably, a base plate is fixedly installed at the bottom of the container, and a support plate is fixedly installed at the bottom of the base plate. The use of the base plate and the support plate together increases the contact area between the bottom of the container and the seabed, thus ensuring the stability of the container when standing.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. The servo motor drives the screw to rotate, which in turn moves the screw sleeve vertically. This vertical movement of the screw sleeve then moves the fixing plate synchronously, which in turn moves the net to collect marine debris floating inside the negative pressure tank. This improves the environmental performance of the device, eliminating the need for operators to use external equipment to clean the marine debris inside the negative pressure tank, thus reducing the workload of staff and the difficulty of cleaning the inside of the device.
[0015] 2. The water jet impacts the airbag, causing it to deform elastically and generate suction. Outside air is then drawn into the airbag through a second one-way valve. The airbag's high deformation force then transports the internal air to the first one-way valve, and finally, through a nozzle, it is delivered to the top of the housing. This achieves the purpose of wind-powered cleaning of the filter plate on the top of the housing, improving the device's efficiency in collecting marine clean energy. It also solves the problem of dust accumulation on the device's surface causing slow airflow and reducing power generation, thus expanding the device's usability in various environments. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the internal structure of the present invention from the front.
[0017] Figure 2 This is a front structural diagram of the present invention;
[0018] Figure 3 This is a partial structural diagram of the drive mechanism of this utility model;
[0019] Figure 4 This is a partial structural diagram of the cleaning mechanism of this utility model;
[0020] Figure 5 This is a partial structural diagram of the shell of this utility model.
[0021] In the diagram: 1. Housing; 101. Negative pressure box; 102. Water inlet tank; 2. Drive mechanism; 201. Mounting plate; 202. Airbag; 203. First one-way valve pipe; 204. Shaft bracket; 205. Nozzle; 206. Second one-way valve pipe; 3. Cleaning mechanism; 301. Servo motor; 302. Screw; 303. Screw sleeve; 304. Fixing plate; 305. Net bag; 306. Limiting rod; 4. Housing; 401. Power generation component; 402. Turbine generator; 403. Transmission belt; 5. Voltage regulator; 501. Network terminal; 6. Controller; 7. Door; 8. Base plate; 801. Support plate. Detailed Implementation
[0022] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.
[0023] Example 1
[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the present invention proposes a wave energy conversion device based on oscillating water column, including a housing 1, a drive mechanism 2 and a cleaning mechanism 3. A negative pressure box 101 is fixedly installed at the bottom inside the housing 1. A drive mechanism 2 is fixedly installed on one side of the negative pressure box 101. The drive mechanism 2 includes a mounting plate 201. An airbag 202 is embedded in one side of the mounting plate 201. A first one-way valve pipe 203 is fixedly installed on one side of the airbag 202. A shaft frame 204 is fixedly installed on one side of the top of the housing 1. A nozzle 205 that is connected to one end of the first one-way valve pipe 203 is fixedly installed inside the shaft frame 204.
[0025] A cleaning mechanism 3 is fixedly installed on one side of the bottom inside the box 1. The cleaning mechanism 3 includes a servo motor 301. A screw 302 is fixedly installed at the output end of the servo motor 301. A screw sleeve 303 is threaded on the outside of the screw 302. A fixing plate 304 is fixedly installed on one side of the screw sleeve 303. A net bag 305 is fixedly installed at the bottom of the fixing plate 304. A water inlet 102 is opened on one side of the box 1. One side of the water inlet 102 is connected to one side of the negative pressure box 101. A second one-way valve pipe 206 is fixedly installed on the other side of the airbag 202. A mounting bracket fixedly connected to the second one-way valve pipe 206 is fixedly installed on the top of the front of the box 1.
[0026] A housing 4 is fixedly installed on the top of the negative pressure box 101. A power generation component 401 is movably installed inside the housing 4 via a bearing seat. A turbine generator 402 is fixedly installed on one side of the housing 4, and a transmission belt 403 is sleeved on the output end of the turbine generator 402 and connected to one end of the power generation component 401. A network terminal 501 is fixedly installed on one side of the top inside the box 1, and a voltage regulator 5 is fixedly installed below the network terminal 501. A controller 6 is fixedly installed on the other side of the top inside the box 1, and a door 7 is movably installed on the top of the front of the box 1 via a hinge.
[0027] The working principle of the wave energy conversion device based on the oscillating water column in Embodiment 1 is as follows: After the device is installed in the designated installation position, the water column enters the negative pressure box 101, which compresses the air inside the negative pressure box 101 and discharges and circulates through the shell 4. The wave drives the water column in the negative pressure box 101 to reciprocate, and the water column drives the air in the negative pressure box 101, thereby driving the power generation component 401 to rotate and obtain rotational mechanical energy.
[0028] The rotating power generation component 401 can drive the turbine generator 402 through the transmission belt 403 to operate, so that the turbine generator 402 generates electricity and sends it to the battery for storage, realizing the function of converting the wave energy of the oscillating water column into electrical energy.
[0029] Then, the servo motor 301 is powered on and driven by the controller 6 to rotate the screw 302 by a preset time. The rotating screw 302 can drive the screw sleeve 303 to move vertically. The screw sleeve 303 can drive the fixing plate 304 to move synchronously. The fixing plate 304 can drive the net 305 to collect the marine debris floating inside the negative pressure box 101, thus realizing the function of improving the environmental protection effect of the device.
[0030] By powering on the network terminal 501, the device's operating status can be easily transmitted to the signal receiver via wireless signal, which increases the device's intelligence and makes it suitable for unattended environments. The voltage regulator 5 facilitates the conversion of the power collected by the device, making it easier to transmit the collected power to the device in subsequent operations.
[0031] The water jet impacts the airbag 202, causing it to deform elastically and generate suction. Outside air is then drawn into the airbag 202 through the second one-way valve pipe 206. The high deformation force of the airbag 202 then transports the internal air to the first one-way valve pipe 203, and finally through the nozzle 205 to the top of the housing 1. This achieves the purpose of wind-powered cleaning of the filter plate on the top of the housing 1, thereby improving the efficiency of the device in collecting marine clean energy.
[0032] Example 2
[0033] like Figure 1 , Figure 2 , Figure 4 As shown, the wave energy conversion device based on oscillating water column proposed in this utility model, compared with the first embodiment, further includes: a limiting rod 306 fixedly installed on one side of the inner wall of the negative pressure box 101, and a bottom plate 8 fixedly installed on the bottom of the box 1 outside the limiting rod 306, and a support plate 801 fixedly installed on the bottom of the bottom plate 8.
[0034] In this embodiment, as Figure 4 As shown, the threaded sleeve 303 is fixedly connected to one side of the connecting piece via a connector. The use of the limiting rod 306 in conjunction with the connecting piece ensures the accuracy of the vertical position of the threaded sleeve 303, preventing positional deviation during vertical movement.
[0035] like Figure 1 , Figure 2 As shown, the use of the base plate 8 and the support plate 801 together increases the contact area between the bottom of the box 1 and the seabed, thus ensuring the stability of the box 1 when standing.
[0036] The above specific embodiments are merely several preferred embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A wave energy conversion device based on an oscillating water column, comprising a housing (1), a drive mechanism (2), and a cleaning mechanism (3), characterized in that: A negative pressure box (101) is fixedly installed at the bottom inside the box (1). A drive mechanism (2) is fixedly installed on one side of the negative pressure box (101). The drive mechanism (2) includes a mounting plate (201). An airbag (202) is embedded in one side of the mounting plate (201). A first one-way valve pipe (203) is fixedly installed on one side of the airbag (202). A shaft bracket (204) is fixedly installed on one side of the top of the box (1). A device connected to the first one-way valve is fixedly installed inside the shaft bracket (204). A nozzle (205) is connected through one end of the pipe (203). A cleaning mechanism (3) is fixedly installed on one side of the bottom inside the housing (1). The cleaning mechanism (3) includes a servo motor (301). A screw (302) is fixedly installed at the output end of the servo motor (301). A screw sleeve (303) is threaded on the outside of the screw (302). A fixing plate (304) is fixedly installed on one side of the screw sleeve (303). A net bag (305) is fixedly installed at the bottom of the fixing plate (304).
2. The wave energy conversion device according to claim 1, characterized in that: The box (1) has a water inlet trough (102) on one side, and the water inlet trough (102) is connected to the negative pressure box (101) on one side.
3. The wave energy conversion device according to claim 1, characterized in that: A second one-way valve tube (206) is fixedly installed on the other side of the airbag (202), and a mounting bracket fixedly connected to the second one-way valve tube (206) is fixedly installed on the top of the front of the box (1).
4. The wave energy conversion device according to claim 1, characterized in that: A limiting rod (306) is fixedly installed on one side of the inner wall of the negative pressure box (101), and the outer side of the limiting rod (306) is fixedly connected to one side of the threaded sleeve (303) through a connector.
5. The wave energy conversion device according to claim 1, characterized in that: The negative pressure box (101) is fixedly installed with a shell (4) on the top. Inside the shell (4), a power generation component (401) is movably installed through a bearing seat. A turbine generator (402) is fixedly installed on one side of the shell (4), and a transmission belt (403) is sleeved and connected to one end of the power generation component (401).
6. The wave energy conversion device according to claim 1, characterized in that: A network terminal (501) is fixedly installed on one side of the top inside the housing (1), and a voltage regulator (5) is fixedly installed below the network terminal (501).
7. The wave energy conversion device according to claim 1, characterized in that: A controller (6) is fixedly installed on the other side of the top inside the box (1), and a box door (7) is installed on the top of the front of the box (1) via a hinge.
8. The wave energy conversion device according to claim 1, characterized in that: The bottom of the box (1) is fixedly installed with a bottom plate (8), and a support plate (801) is fixedly installed at the bottom of the bottom plate (8).