CN114320720A - Marine floating type wave power generation device based on pendulum oscillation principle - Google Patents

Abstract

The invention discloses an offshore floating wave power generation device based on the pendulum oscillation principle, comprising a shell, a permanent magnet sphere, a coil inlay, an omnidirectional balance ring and a power storage device; the shell includes an upper shell and a lower shell The upper casing and the lower casing can be sealed butt-fixed through the end flanges, and an elliptical or approximately elliptical cavity is formed inside the casing; the permanent magnet sphere is arranged in the casing, and the left and right permanent magnet spheres The end is fixed in the middle of the casing; the coil inlay is arranged in the permanent magnet sphere, and abuts against the permanent magnet sphere; the coil inlay includes a coil body and a coil bundle; the omnidirectional gimbal includes an outer gimbal , an inner gimbal and a rotating shaft; the omnidirectional gimbal is arranged inside the coil inlay; the power storage device includes a rectifier circuit board and a battery. The invention is suitable for the situation of large wind and waves in the open sea, and the balance ring in the device senses the movement and continuously cuts the magnetic field line, thereby generating a steady stream of electricity to charge the battery.

Description

An offshore floating wave power generation device based on the principle of pendulum oscillation

technical field

The invention relates to a mechanical device for converting ocean wave energy into electrical energy, in particular to an offshore floating wave power generation device based on the principle of pendulum oscillation.

Background technique

Ocean waves are caused by the influence of sea wind, ocean tides and other factors to form undulating waves on the surface of sea water. There is a huge amount of renewable energy in the ocean waves. Compared with the energy obtained from the combustion of petrochemical materials, it is green and environmentally friendly. Inexhaustible and other advantages have inspired people to strive to explore methods and devices for using wave energy to generate electricity. At present, the problems faced by wave power generation are high power generation cost, low power generation, and instability. It is necessary to find a high-efficiency device that can continuously convert wave energy into electrical energy. At the same time, since the collection environment of wave energy is in river water or even sea water, the requirement for material anticorrosion is to have good anticorrosion performance under the premise of ensuring economical efficiency.

According to the utilization principle of wave energy, the conversion of wave energy into electrical energy is usually divided into three stages. The first stage is wave energy capture, the second stage is the intermediate conversion and transmission system, and the third stage is the generator outputting electrical energy for load power. Since there is power attenuation between each stage, there is also energy dissipation, and the total collection efficiency is about 10-30%;

There are many ways to convert wave energy into electrical energy. The usual wave energy conversion device consists of two parts: a floating device and an anchoring system. The floating device floats on the sea surface and can move with the movement of the waves. The anchoring system is usually installed on the seabed. Or the shore, which acts as a fixed floating device. One part needs to be fixed, and the other part moves relatively under the action of the waves, so as to use the relative displacement to generate electricity. , or according to the way of energy transmission can be divided into pneumatic, hydraulic, mechanical and magnetic and so on. These devices need to be anchored to float to the surface, and long-term deployment will attach and breed sea creatures.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an offshore floating wave power generation device based on the pendulum oscillation principle. The device removes the anchoring device, does not need to fix a certain part thereof, and reduces the capital investment of the anchor chain and the like. At the same time, the present invention can be better applied to the situation of large wind and waves in the distant sea. The balance ring in the device senses the movement and continuously cuts the magnetic field line, thereby generating a steady stream of electricity to charge the battery; the device is suitable for the water surface or water floating with the wind and waves. When disembarking the aircraft, it uses the undulating potential energy of wind and waves and the kinetic energy of falling to generate electricity, and provides power for the battery source of the aircraft to collect information and send and receive information, so as to enhance its operation time and enhance its endurance operation ability.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical scheme:

An offshore floating wave power generation device based on the pendulum oscillation principle, comprising a shell, a permanent magnet sphere, a coil inlay, an omnidirectional gimbal and a power storage device;

The casing includes an upper casing and a lower casing, the upper casing and the lower casing can be sealed butt-fixed through end flanges, and an elliptical or approximately elliptical cavity is formed inside the casing;

The permanent magnet sphere is arranged in the casing, and the left and right ends of the permanent magnet sphere are fixed in the middle of the casing;

The coil inlay is arranged in the permanent magnet sphere, and is abutted and fixed with the permanent magnet sphere;

the coil inlay includes a coil body and a coil bundle;

The omnidirectional gimbal includes an outer gimbal, an inner gimbal, and a rotating shaft; the rotating shaft passes through the centers of the outer gimbal and the inner gimbal, and the rotating shaft is compatible with the outer gimbal and the inner gimbal. A rotating connection structure; the inner wall of the inner gimbal is provided with a first permanent magnet and a second permanent magnet with opposite magnetic poles; a number of rotating balls are arranged on the circumference of the outer gimbal, and the rotating balls can abut against the coil inlay slide;

the omnidirectional balance ring is arranged inside the coil inlay;

The power storage device includes a rectifier circuit board and a battery, and the coil bundle is connected to the rectifier circuit board through conductive wires.

In one embodiment, the bottom of the lower casing is provided with a counterweight, so that the weight of the lower casing is 2-4 times the weight of the upper casing.

In one embodiment, the upper casing is provided with fins.

In one embodiment, the shell is made of ceramic and resin composite material, and the surface of the shell is smoothed, such as polished.

In one embodiment, the flanges of the upper casing and the lower casing are fixed together by bolts.

In one embodiment, there are at least three rotating balls on the circumference of the outer gimbal.

In one embodiment, an electrical device is provided on the top of the upper casing, and the electrical device is connected to the battery through a conductive wire.

In one embodiment, an electrical device is provided outside the upper casing, and the battery is connected to the electrical device through a waterproof terminal.

In one embodiment, the power storage device is arranged at the bottom of the lower casing.

Any range recited herein includes the endpoints and any number between the endpoints and any sub-ranges formed by the endpoints or any number between the endpoints.

Unless otherwise specified, each raw material in the present invention can be obtained through commercial purchase, and the equipment used in the present invention can be performed with conventional equipment in the field or with reference to the prior art in the field.

Compared with the prior art, the present invention has the following beneficial effects:

1) The present invention adopts a simple mechanical structure, which directly combines the mechanical motion of the wave with the change of the induced magnetic force, thereby directly generating electric energy by using the change of the magnetic force. Compared with other devices, the energy conversion level is reduced, and the capture is the conversion, thereby The energy loss between capture and conversion is reduced, and the conversion efficiency is improved.

2) The present invention adopts the rotation principle of the rotating inertial gimbal, so that omnidirectional wind and waves can be used to convert wave energy into electrical energy. Due to the existence of the omnidirectional rotating gimbal, the conversion of electrical energy will continue during the recovery and swing of the gimbal. Until the external environment restores balance, it is basically unaffected by changes in wave height and wavelength, and can adapt to a wider marine environment.

3) The present invention adopts the counterweight at the lower part of the shell, so that the overall stability is good, and it has better anti-overturning performance and strong anti-storm ability.

4) The shell of the present invention adopts ceramic and resin composite material, which has the composite characteristics of high strength and low density. Since the surface is smoothed, the breeding and attachment of marine organisms can be effectively avoided.

5) The present invention can be integrated on underwater and surface robots without powered moving fins in the open sea, and generate electricity through the action of wind and waves, thereby effectively prolonging the service time of the battery, and having a more beneficial effect in seabed topography exploration and scientific investigation.

Description of drawings

The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

1 is a schematic cross-sectional view of the present invention;

Fig. 2 is a three-dimensional partial cross-sectional schematic diagram of the present invention;

Fig. 3 is the structural representation of the permanent magnet sphere of the present invention;

Fig. 4 is the outline schematic diagram of the coil inlay and the permanent magnet sphere of the present invention;

5 is a schematic cross-sectional view of the coil inlay of the present invention;

6 is a schematic diagram of the structure of the coil inlay of the present invention;

Fig. 7 is the front view structure schematic diagram of omnidirectional gimbal;

Fig. 8 is the three-dimensional structure schematic diagram of omnidirectional gimbal;

9 is a schematic structural diagram of the housing of the present invention;

10 is a schematic structural diagram of the power storage device of the present invention;

Figure 11 is a schematic diagram of the structure of the buoy light.

Detailed ways

In order to illustrate the present invention more clearly, the present invention will be further described below with reference to the preferred embodiments. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Referring to FIG. 1, as an aspect of the present invention, an offshore floating wave power generation device based on the pendulum oscillation principle of the present invention includes a casing 4, a permanent magnet sphere 1, a coil inlay 2, an omnidirectional balance ring 3 and Power storage device 5;

Referring to FIG. 9 , the casing 4 includes an upper casing 41 and a lower casing 42 . The upper casing 41 and the lower casing 42 can be sealed butt-fixed through end flanges, and the interior of the casing 4 is formed in an oval shape or approximately elliptical cavity 43;

Referring to FIG. 3 , the permanent magnet sphere 1 is arranged in the casing 4, and the left and right ends of the permanent magnet sphere 1 are fixed in the middle of the casing 4;

4-6, the coil inlay 2 is arranged in the permanent magnet sphere 1, and abuts against the permanent magnet sphere 1; it can be understood that the permanent magnet sphere 1 and the coil inlay 2 are abutted and fixed together After that, the relative position between the two will not change;

The coil inlay 2 includes a coil body 21 and a coil bundle 22; it can be understood that the coil bundle is wound outside the coil body to form a power generating coil;

7 and 8, the omnidirectional gimbal 3 includes an outer gimbal 31, an inner gimbal 34 and a rotating shaft 33; the rotating shaft 33 passes through the centers of the outer gimbal 31 and the inner gimbal 34, And the rotating shaft 33, the outer gimbal ring 31 and the inner gimbal ring 34 are all rotatable connection structures; it can be understood that rolling bearings are arranged at the connection between the two ends of the rotating shaft and the outer gimbal ring, and the rotating shaft and the inner gimbal ring are connected. The "rotatable connection" can be realized by setting the rolling bearing at the connection;

The inner wall of the inner balance ring 34 is provided with a first permanent magnet 35 and a second permanent magnet 36 with opposite magnetic poles;

The outer balance ring 31 is provided with a number of rotating balls 32 on the circumference, and the rotating balls 32 can slide against the permanent magnet sphere 1; Sliding, the outer gimbal 31 and the inner gimbal 34 can rotate freely around the rotating shaft 33;

The omnidirectional balance ring 3 is arranged inside the coil inlay 2;

Referring to FIG. 1 and FIG. 10 , the power storage device 5 includes a rectifier circuit board 51 and a battery 52 , and the coil bundle 22 is connected to the rectifier circuit board 51 through conductive wires.

In some embodiments, the bottom of the lower casing 42 is provided with a counterweight (not shown in the figure), so that the weight of the lower casing 42 is 2-4 times the weight of the upper casing. It can be understood that through the counterweight, the overall stability of the present invention is good, and it has better anti-overturning performance and strong anti-storm ability.

In some embodiments, the upper casing 41 is provided with fins 44 . For the stability of the floatation process of the present invention.

In some embodiments, the housing 4 is made of ceramic and resin composite material, and the surface of the housing is smoothed, such as polished. It can be understood that due to the use of ceramic and resin composite materials, the shell has the composite characteristics of high strength and low density, and the surface of the shell is smoothed, which can effectively avoid the breeding and adhesion of sea creatures.

In some embodiments, the flanges of the upper casing 41 and the lower casing 42 are fixed together by bolts.

In some embodiments, there are at least three rotating balls on the circumference of the outer balance ring 31 .

In some embodiments, the top of the upper casing 41 is provided with an electrical device 6 , and the electrical device 6 is connected to the battery 52 through a conductive wire. In the present invention, the electrical devices include, but are not limited to, underwater and surface robots, surface vehicles, submersibles or buoy lights, and the like. The buoy light 6 shown in FIG. 1 and FIG. 11 does not indicate that the present invention is limited to a device used for buoy power generation, but is only a specific description or illustration of an application case. In the specific implementation of the buoy light, the buoy light 6 can be arranged inside the casing 4, and the upper casing 41 of the casing 4 needs to adopt a transparent partial design, or by adding a window.

In some embodiments, the upper casing 41 is provided with an electrical device outside, and the battery is connected to the electrical device through a waterproof terminal. The battery power can be led out to other devices that need to be charged by using waterproof terminals.

In some embodiments, the power storage device 5 is disposed at the bottom of the lower casing 42 .

The use principle of the present invention is as follows:

When the wave first hits the casing 4 of the device, the fins on the outer casing 4 are easily continuously affected by the impact of the wind and waves, and the upper part is offset, and the inner gimbal 34 and the outer gimbal 31 of the gimbal 3 are affected by the inertia , will try to keep the original stillness. Since the shell 4 is fixedly connected with the permanent magnet ball ring 1 and the coil inlay 2, it will have a relative movement with the gimbal ring 3, and this relative movement will make the permanent magnet 35 and permanent magnet 36 on the gimbal ring and the permanent magnet ball ring 1. The magnetic field of the vector combination produces a sharp change, and forms a magnetic field change that sweeps over the coil body 21 on the coil inlay 2 , thereby inducing an induced current in the coil body 21 . The induced current flows through the coil bundle 22 to reach the rectifier circuit board 51 and the battery 52 through the combined connection. The current rectifier circuit board 51 inverts and regulates the current to form stable and storable electrical energy, which is stored in the battery 52 .

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. Not all implementations can be exhaustive here. Any obvious changes or changes derived from the technical solutions of the present invention are still within the protection scope of the present invention.

Claims (9)

1. an offshore floating wave power generation device based on the pendulum oscillation principle, is characterized in that: comprise shell, permanent magnet sphere, coil inlay, omnidirectional gimbal and power storage device; The casing includes an upper casing and a lower casing, the upper casing and the lower casing can be sealed butt-fixed through end flanges, and an elliptical or approximately elliptical cavity is formed inside the casing; The permanent magnet sphere is arranged in the casing, and the left and right ends of the permanent magnet sphere are fixed in the middle of the casing; The coil inlay is arranged in the permanent magnet sphere, and is in close contact with the permanent magnet sphere; the coil inlay includes a coil body and a coil bundle; The omnidirectional gimbal includes an outer gimbal, an inner gimbal, and a rotating shaft; the rotating shaft passes through the centers of the outer gimbal and the inner gimbal, and the rotating shaft is compatible with the outer gimbal and the inner gimbal. A rotating connection structure; the inner wall of the inner gimbal is provided with a first permanent magnet and a second permanent magnet with opposite magnetic poles; a plurality of rotating balls are arranged on the circumference of the outer gimbal, and the rotating balls can abut against the permanent magnet balls sliding in the body; the omnidirectional balance ring is arranged inside the coil inlay; The power storage device includes a rectifier circuit board and a battery, and the coil bundle is connected to the rectifier circuit board through conductive wires. 2 . The offshore floating wave power generation device according to claim 1 , wherein the bottom of the lower casing is provided with a counterweight, so that the weight of the lower casing is 2-4 times that of the upper casing. 3 . 3 . The offshore floating wave power generation device according to claim 1 , wherein the upper casing is provided with fins. 4 . 4 . The offshore floating wave power generation device according to claim 1 , wherein the shell is made of ceramic and resin composite material, and the surface of the shell is smoothed, such as polished. 5 . 5 . The offshore floating wave power generation device according to claim 1 , wherein the flanges of the upper casing and the lower casing are fixed together by bolts. 6 . 6 . The offshore floating wave power generation device according to claim 1 , wherein there are at least three rotating balls on the circumference of the outer balance ring. 7 . 7 . The offshore floating wave power generation device according to claim 1 , wherein the top of the upper casing is provided with an electrical device, and the electrical device is connected to the battery through a conductive wire. 8 . 8 . The offshore floating wave power generation device according to claim 1 , wherein an electrical device is provided outside the upper casing, and the battery is connected to the electrical device through a waterproof terminal. 9 . 9 . The offshore floating wave power generation device according to claim 1 , wherein the power storage device is arranged at the bottom of the lower casing. 10 .

Images