CN118066058B - A multi-degree-of-freedom wave energy power generation device and power generation method thereof - Google Patents

Abstract

The invention discloses a multi-degree-of-freedom wave energy power generation device and a power generation method thereof, wherein the power generation device comprises a power generation assembly and a light emitting mechanism, the power generation assembly comprises a universal joint, a fixing mechanism, a cylindrical floating body, a spherical oscillating body and a power taking mechanism, the fixing mechanism is fixedly connected with the top of the spherical oscillating body, the power taking mechanism comprises a plurality of first power taking mechanisms and a plurality of second power taking mechanisms, the first power taking mechanisms are uniformly and horizontally arranged on the peripheral outer side of the middle part of the spherical oscillating body, the second power taking mechanisms are vertically arranged below the spherical oscillating body, the spherical oscillating body is connected with the power taking device through the universal joint, the power taking mechanism comprises a shell, a supporting block, a limiting block, a rack, a first gear, a second gear, a third gear, a generator and an observation lamp, and the generator is respectively electrically connected with the observation lamp and the light emitting mechanism. The invention realizes the efficient absorption of the wave energy with multiple degrees of freedom and has higher electric energy conversion efficiency.

Description

A multi-degree-of-freedom wave energy power generation device and power generation method thereof

Technical Field

The invention relates to the technical field of navigation beacon ships, and in particular to a multi-degree-of-freedom wave energy power generation device and a power generation method thereof.

Background technique

Most of the oscillating float wave energy power generation devices in the world today are single-axis devices. In other words, they can only extract wave energy from a single direction of motion, and the efficiency of converting wave energy into electrical energy is low. In addition, beacon ships are an important part of transportation engineering. Their main task is to lay, inspect, supply, repair and maintain beacons in the waterway and nearby reefs, shoals and rocks. These beacon ships are crucial to ensuring the safe navigation of ships, especially in complex and dangerous waters. The beacon lights in beacon ships can effectively provide navigation and warning functions in most cases, but the existing beacon lights have the problem of insufficient power stability. That is, most beacon ships currently use solar rechargeable batteries as the main power source. In continuous cloudy or bad weather conditions, the battery may not be able to get enough charge, resulting in insufficient power, which affects the continuous and stable lighting of the beacon lights.

Summary of the invention

The present invention aims to provide a multi-degree-of-freedom wave energy power generation device and a power generation method thereof to solve the above-mentioned technical problems.

To achieve the above-mentioned purpose, the technical solution of the present invention is: a multi-degree-of-freedom wave energy power generation device, including a power generation component and a light-emitting mechanism, the light-emitting mechanism is used to be fixedly installed above the center of the deck of the beacon ship, the power generation component includes a universal joint, a fixing mechanism, a cylindrical floating body, a spherical oscillator arranged in the cylindrical floating body and a power intake mechanism, one end of the fixing mechanism is used to be fixedly installed below the center of the deck of the beacon ship, and the other end of the fixing mechanism is fixedly connected to the top of the spherical oscillator through a universal joint, the power intake mechanism includes a plurality of first power intake mechanisms and a second power intake mechanism, the plurality of first power intake mechanisms are evenly and horizontally arranged on the circumferential outer side of the middle part of the spherical oscillator, the second power intake mechanism is vertically arranged below the spherical oscillator, and the spherical oscillator and the power intake mechanism are connected to each other. The capturing devices are interconnected through universal joints. The power capturing mechanism includes a shell and a support block, a limit block, a rack, a first gear, a second gear, a third gear, a generator, and an observation light arranged on the shell. Two first gears are coaxially arranged. The two first gears are respectively arranged at the two ends of the width direction of the rack. The support block is arranged at the two ends of the thickness direction of the rack. A limit hole is provided in the limit block. One end of the rack in the length direction is fixedly connected to the outside of the spherical oscillating body, and the other end in the length direction is penetrated and arranged in the limit hole. The support block, the limit block, and the first gear cooperate with each other to limit the rack. The rack, the second gear, and the third gear are meshed and transmitted in sequence. The third gear is fixedly connected to the rotating shaft of the generator, and the generator is electrically connected to the observation light and the light-emitting mechanism respectively.

Preferably, the shell includes two relatively arranged fixed plates, the support block, the limit block, the rack, the first gear, and the generator are arranged between the two fixed plates, the second gear, the third gear, and the observation light are arranged on the side of one fixed plate away from the other fixed plate, and a transmission shaft meshing with the rack is arranged between the two fixed plates, one end of the transmission shaft passes through the outer side of a fixed plate and is fixedly connected to the second gear, and the rotating shaft of the generator passes through the outer side of a fixed plate and is fixedly connected to the third gear.

Preferably, the housing is a transparent PC housing.

Preferably, the cylindrical floating body comprises a floating ring and a floating pad located at the bottom of the floating ring.

Preferably, the fixing mechanism includes a support seat, a support column vertically arranged on the support seat, a support beam horizontally arranged on one side of the top of the support column, and a connecting rod vertically arranged below the side of the support beam away from the support column. The support seat is used to be fixedly installed below the center of the deck of the beacon ship, and the connecting rod is fixedly connected to the top of the spherical oscillator through a universal joint.

Preferably, the light-emitting mechanism includes a beacon light, an upper seat and a lower seat assembled in sequence from top to bottom. The lower seat is used to be fixedly installed above the center of the deck of the beacon ship. Through holes are respectively provided at the center of the upper seat and the lower seat. The wires of the beacon light pass through the through holes and are electrically connected to the generator.

Preferably, the upper seat comprises a cylinder and a frustum connected up and down, the navigation light is installed on the top of the cylinder, and the lower seat is installed on the bottom of the frustum.

The present invention also provides a power generation method of a multi-degree-of-freedom wave energy power generation device, comprising any of the multi-degree-of-freedom wave energy power generation devices described above, wherein the power generation method comprises the following steps:

S1. Under the action of wave heave, sway and surge, the cylindrical floating body absorbs wave energy from all directions and then performs irregular mechanical motion, so that the wave energy is converted into mechanical energy, and then transmitted into the rack of the power intake device through the spherical oscillating body, so that the spherical oscillating body drives the rack to do reciprocating motion back and forth;

S2, the rack drives the second gear to rotate, the second gear drives the third gear to rotate, and then drives the generator to generate electricity, so that the mechanical energy is transferred to the generator and converted into electrical energy;

S3. The electric energy generated by the generator is transmitted to the observation light and the light-emitting mechanism through the wire. The observation light is used to observe the power generation effect in real time, and the light-emitting mechanism emits light to realize navigation lighting or warning.

The present invention has the following beneficial effects:

(1) Selecting multiple degrees of freedom for power generation to improve energy utilization. The present invention increases the degree of freedom by selecting three degrees of freedom, namely vertical swing, longitudinal swing and transverse swing, to improve the hydrodynamic performance and energy utilization of the power generation device, making wave energy absorption more effective.

(2) Optimize the energy conversion level and achieve high energy conversion. The present invention uses a multi-degree-of-freedom cylindrical float to collect energy and a gear rack transmission to transmit energy, thereby improving the conversion efficiency between each level and further improving the utilization rate of marine resources.

(3) Simplify the complex structure of traditional devices and improve device reliability. The direct use of gear rack transmission simplifies the overall structure of the wave energy power generation device, making the overall structure simple and compact, easy to disassemble and replace parts and repair the device. At the same time, it can adapt well to the harsh marine environment and withstand the impact of long-term wave impact on the power generation device.

(4) Applying multi-degree-of-freedom wave energy power generation devices to navigation ships can make navigation ships work better. This solves the problem that when the weather is bad, the solar energy collection device of the existing navigation ship converts less electricity and cannot continuously and stably supply electricity to the navigation lights. The power generation device relies on wave energy to generate electricity, which can generate continuous and stable electricity. As long as the seawater exists and can move, the power generation device can continue to absorb the energy of the wave energy and convert it into electricity to supply the navigation lights, so it has a very obvious effect.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall appearance of an embodiment of the present invention;

FIG2 is a schematic diagram of the structure of an embodiment of the present invention after removing the fixing mechanism and the floating ring;

FIG3 is a schematic diagram of the assembly of a spherical oscillating body and a power capture mechanism according to an embodiment of the present invention;

FIG4 is a schematic diagram of the structure of a power intake mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of the assembly of the fixing mechanism, the spherical oscillating body and the rack according to an embodiment of the present invention.

FIG6 is a schematic structural diagram of a light emitting mechanism according to an embodiment of the present invention;

FIG. 7 is a top view of the navigation vessel according to the embodiment of the present invention.

The accompanying drawings are marked with: 1 spherical oscillating body, 2 universal joint, 3 fixing mechanism, 31 supporting seat, 32 supporting column, 33 supporting beam, 34 connecting rod, 4 cylindrical floating body, 41 floating ring, 42 floating pad, 5 fixing plate, 6 transmission shaft, 7 supporting block, 8 limiting block, 9 rack, 10 first gear, 11 second gear, 12 third gear, 13 generator, 14 observation light, 15 beacon light, 16 upper seat, 161 cylinder, 162 frustum, 17 lower seat, 18 beacon ship, 19 deck center.

Detailed ways

To further illustrate the various embodiments, the present invention provides drawings. These drawings are part of the disclosure of the present invention, which are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, a person of ordinary skill in the art should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Referring to FIGS. 1-7 , as an embodiment of the present invention, a multi-degree-of-freedom wave energy power generation device is provided, which is specifically applied to the field of navigation beacon ships 18. The power generation device includes a power generation component and a light-emitting mechanism. The light-emitting mechanism is used to be fixedly installed above the center 19 of the deck of the navigation beacon ship 18. The power generation component includes a universal joint 2, a fixing mechanism 3, a cylindrical floating body 4, a spherical oscillating body 1 arranged in the cylindrical floating body 4, and a power intake mechanism. One end of the fixing mechanism 3 is used to be fixedly installed below the center 19 of the deck of the navigation beacon ship 18, and the other end of the fixing mechanism 3 is fixedly connected to the top of the spherical oscillating body 1 through the universal joint 2. The power intake mechanism includes a plurality of first power intake mechanisms and a second power intake mechanism. The plurality of first power intake mechanisms are evenly and horizontally arranged on the circumferential outer side of the middle part of the spherical oscillating body 1, and the second power intake mechanism is vertically arranged below the spherical oscillating body 1, and the spherical oscillating body 1 and the power intake device are mutually connected through the universal joint 2, so that the device The overall movement of the device is more flexible. The power intake mechanism includes a shell and a support block 7, a limit block 8, a rack 9, a first gear 10, a second gear 11, a third gear 12, a generator 13, and an observation light 14 arranged on the shell. The first gear 10 is two coaxially arranged, and the two first gears 10 are respectively arranged at the two ends of the width direction of the rack 9. The support block 7 is arranged at the two ends of the thickness direction of the rack 9. A limit hole is opened in the limit block 8. One end of the rack 9 in the length direction is fixedly connected to the outside of the spherical oscillating body 1, and the other end in the length direction is penetrated and arranged in the limit hole. The support block 7, the limit block 8, and the first gear 10 cooperate with each other to limit the rack 9 to control the movement range of the rack 9 and improve the energy absorption rate and conversion rate. The rack 9, the second gear 11, and the third gear 12 are meshed and driven in sequence. The third gear 12 is fixedly connected to the rotating shaft of the generator 13, and the generator 13 is electrically connected to the observation light 14 and the light-emitting mechanism respectively.

In this embodiment, the light-emitting mechanism includes a navigation light 15, an upper seat 16 and a lower seat 17 which are assembled in sequence from top to bottom. The lower seat 17 is used to be fixedly installed above the center 19 of the deck of the navigation ship 18. Through holes are respectively provided at the centers of the upper seat 16 and the lower seat 17. The wires of the navigation light 15 pass through the through holes and are electrically connected to the generator 13. The electric energy of the generator 13 is transmitted to the navigation light 15 through the wires. Specifically, the upper seat 16 includes a cylinder 161 and a frustum 162 connected up and down. The navigation light 15 is installed on the top of the cylinder 161, and the lower seat 17 is installed on the bottom of the frustum 162. This structural arrangement enables the light-emitting mechanism to be stably installed above the center 19 of the deck of the navigation ship 18 without tilting or collapsing due to the shaking of the hull.

The cylindrical floating body 4 of the power generation assembly of the present invention can select wave energy absorption in three degrees of freedom: vertical swing, longitudinal swing and transverse swing, improve the hydrodynamic performance and energy utilization rate of the power generation device, make wave energy absorption more effective, and realize the second-level energy conversion through the gear rack 9 transmission of the power absorption mechanism, and convert irregular ocean wave movement into electrical energy. At the same time, the universal joint 2 and the power absorption mechanism can drive the operation of multiple generators 13. On the basis of the original power generation device, the device structure is simplified, the power generation efficiency is improved, and the wave energy conversion efficiency is greatly improved. After the power generation assembly absorbs energy through wave energy, the electrical energy is transmitted to the observation light 14 and the light-emitting mechanism through the generator 13, so that the observation light 14 can observe the power generation effect in real time, and the light-emitting mechanism emits light to realize navigation lighting or warning.

The present invention has the following advantages:

(1) Select multiple degrees of freedom for power generation to improve energy utilization. The present invention increases the degree of freedom by selecting three degrees of freedom: vertical swing, longitudinal swing and horizontal swing to improve the hydrodynamic performance and energy utilization of the power generation device, making wave energy absorption more effective.

(2) Optimize the energy conversion level and achieve high energy conversion. The present invention utilizes the multi-freedom cylindrical floating body 4 to collect energy and the gear rack 9 to transmit energy, thereby improving the conversion efficiency between each level and further improving the utilization rate of marine resources.

(3) Simplify the complex structure of traditional devices and improve device reliability. The direct use of the gear rack 9 transmission simplifies the overall structure of the wave energy power generation device, making the overall structure simple and compact, easy to disassemble and replace parts and repair the device. At the same time, it can adapt well to the harsh marine environment and withstand the impact of long-term wave impact on the power generation device.

(4) Applying a multi-degree-of-freedom wave energy power generation device to the navigation beacon ship 18 can make the navigation beacon ship 18 work better. This solves the problem that the solar energy collection device of the existing navigation beacon ship 18 converts less electricity when the weather is bad, and cannot continuously and stably supply electricity to the navigation beacon light 15. The power generation device generates electricity by relying on wave energy, which can generate continuous and stable electricity. As long as the seawater exists and can move, the power generation device can continue to absorb the energy of the wave energy and convert it into electricity to supply the navigation beacon light 15, so it has a very obvious effect.

In addition, the device can be equipped with a data collection system to ensure continuous and stable output of electricity. It can also be equipped with a real-time data analysis system, which effectively solves the problem of uneven and unstable energy distribution in the time domain, ensuring sustainable absorption and conversion of wave energy to achieve truly efficient power generation.

In this embodiment, the shell includes two relatively arranged fixed plates 5, the support block 7, the limit block 8, the rack 9, the first gear 10, and the generator 13 are arranged between the two fixed plates 5, the second gear 11, the third gear 12, and the observation light 14 are arranged on the side of one fixed plate 5 away from the other fixed plate 5, and a transmission shaft 6 meshing with the rack 9 is arranged between the two fixed plates 5. One end of the transmission shaft 6 passes through the outer side of a fixed plate 5 and is fixedly connected to the second gear 11. The rotating shaft of the generator 13 passes through the outer side of a fixed plate 5 and is fixedly connected to the third gear 12. This structure makes the assembly between the various components of the power intake mechanism reasonable and compact, and the stability of energy transmission and conversion is high.

In this embodiment, the shell is a transparent PC shell, which can isolate the energy transmission and power generation parts from the outside world, and use hot melt adhesive and bolts to connect and fix the power intake mechanism, thereby enhancing the corrosion resistance and stability of the power generation device.

In this embodiment, the cylindrical float 4 includes a float ring 41 and a float pad 42 located at the bottom of the float ring 41. The float ring 41 is used to absorb wave energy from two degrees of freedom in the longitudinal and transverse directions, and the float pad 42 is used to absorb wave energy from the degree of freedom in the vertical swing direction, thereby being able to fully absorb wave energy from multiple different degrees of freedom, and energy utilization is more sufficient and efficient.

In this embodiment, the fixing mechanism 3 includes a support seat 31, a support column 32 vertically arranged on the support seat 31, a support beam 33 horizontally arranged on one side of the top of the support column 32, and a connecting rod 34 vertically arranged below the side of the support beam 33 away from the support column 32. The support seat 31 is used to be fixedly installed below the center 19 of the deck of the beacon ship 18. The connecting rod 34 is fixedly connected to the top of the spherical oscillator 1 through the universal joint 2 to ensure the installation stability of the entire power generation device on the center 19 of the deck of the beacon ship 18.

In this embodiment, the light-emitting mechanism is fixedly installed above the center 19 of the deck of the beacon ship 18, and the power generation device is fixedly installed directly below the center 19 of the deck of the beacon ship 18 through one end of the fixing mechanism 3. Both are firmly fixed at the center 19 of the deck of the beacon ship 18 by rivets to ensure safety and stability.

The present invention also provides a power generation method of a multi-degree-of-freedom wave energy power generation device, comprising the following steps:

S1. Under the action of wave heave, sway and surge, the cylindrical floating body 4 absorbs wave energy from all directions and then performs irregular mechanical motion, so that the wave energy is converted into mechanical energy, and is transmitted to the rack 9 of the power capture device through the spherical oscillating body 1, so that the spherical oscillating body 1 drives the rack 9 to reciprocate back and forth;

S2, the rack 9 drives the second gear 11 to rotate, the second gear 11 drives the third gear 12 to rotate, and then drives the generator 13 to generate electricity, so that the mechanical energy is transmitted to the generator 13 and converted into electrical energy;

S3. The electric energy generated by the generator 13 is transmitted to the observation light 14 and the light-emitting mechanism through the wire. The observation light 14 is used to observe the power generation effect in real time, and the light-emitting mechanism emits light to realize navigation lighting or warning.

Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims will fall within the scope of protection of the present invention.

Claims (4)

1. A multi-degree-of-freedom wave energy power generation device, characterized in that it includes a power generation component and a light-emitting mechanism, the light-emitting mechanism is used to be fixedly installed above the center of the deck of a navigation beacon ship, the power generation component includes a universal joint, a fixing mechanism, a cylindrical floating body, a spherical oscillating body arranged in the cylindrical floating body and a power intake mechanism, the cylindrical floating body includes a floating ring and a floating pad located at the bottom of the floating ring, one end of the fixing mechanism is used to be fixedly installed below the center of the deck of the navigation beacon ship, and the other end of the fixing mechanism is fixedly connected to the top of the spherical oscillating body through a universal joint, the power intake mechanism includes a plurality of first power intake mechanisms and a second power intake mechanism, the plurality of first power intake mechanisms are evenly and horizontally arranged on the circumferential outer side of the middle part of the spherical oscillating body, the second power intake mechanism is vertically arranged below the spherical oscillating body, and the spherical oscillating body is vertically arranged below the spherical oscillating body. The oscillating body and the power intake device are connected to each other through a universal joint. The power intake mechanism includes a shell and a support block, a limit block, a rack, a first gear, a second gear, a third gear, a generator, and an observation light arranged on the shell. The first gear is two coaxially arranged. The two first gears are respectively arranged at the two ends of the width direction of the rack. The support block is arranged at the two ends of the thickness direction of the rack. A limit hole is provided in the limit block. One end of the rack in the length direction is fixedly connected to the outside of the spherical oscillating body, and the other end in the length direction is penetrated and arranged in the limit hole. The support block, the limit block, and the first gear cooperate with each other to limit the rack movably. The rack, the second gear, and the third gear are meshed and driven in sequence. The third gear is fixedly connected to the rotating shaft of the generator, and the generator is electrically connected to the observation light and the light-emitting mechanism respectively; The housing includes two fixed plates arranged opposite to each other, a support block, a limit block, a rack, a first gear, and a generator are arranged between the two fixed plates, a second gear, a third gear, and an observation light are arranged on a side of a fixed plate away from the other fixed plate, a transmission shaft meshing with the rack is arranged between the two fixed plates, one end of the transmission shaft passes through the outside of a fixed plate and is fixedly connected to the second gear, and a rotating shaft of the generator passes through the outside of a fixed plate and is fixedly connected to the third gear; The light-emitting mechanism includes a navigation light, an upper seat and a lower seat which are assembled in sequence from top to bottom. The lower seat is used to be fixedly installed above the center of the deck of the navigation ship. Through holes are respectively provided at the centers of the upper seat and the lower seat. The wires of the navigation light pass through the through holes and are electrically connected to the generator. The upper seat includes a cylinder and a frustum body connected up and down. The navigation light is installed on the top of the cylinder, and the lower seat is installed on the bottom of the frustum body. 2. The multi-degree-of-freedom wave energy power generation device according to claim 1, characterized in that the shell is a transparent PC shell. 3. The multi-degree-of-freedom wave energy power generation device according to claim 1 is characterized in that: the fixing mechanism includes a support seat, a support column vertically arranged on the support seat, a support beam horizontally arranged on one side of the top of the support column, and a connecting rod vertically arranged below the side of the support beam away from the support column, the support seat is used to be fixedly installed below the center of the deck of the beacon ship, and the connecting rod is fixedly connected to the top of the spherical oscillator through a universal joint. 4. A power generation method of a multi-degree-of-freedom wave energy power generation device, characterized in that: comprising the multi-degree-of-freedom wave energy power generation device according to any one of claims 1 to 3, the power generation method comprising the following steps: S1. Under the action of wave heave, sway and surge, the cylindrical floating body absorbs wave energy from all directions and then performs irregular mechanical motion, so that the wave energy is converted into mechanical energy, and then transmitted into the rack of the power intake device through the spherical oscillating body, so that the spherical oscillating body drives the rack to do reciprocating motion back and forth; S2, the rack drives the second gear to rotate, the second gear drives the third gear to rotate, and then drives the generator to generate electricity, so that the mechanical energy is transferred to the generator and converted into electrical energy; S3. The electric energy generated by the generator is transmitted to the observation light and the light-emitting mechanism through the wire. The observation light is used to observe the power generation effect in real time, and the light-emitting mechanism emits light to realize navigation lighting or warning.