阅读说明：本技术 波浪能捕获设备及动力系统 (Wave energy capturing equipment and power system ) 是由 陈鑫 吴王亮 喻锟 谢镇天 陈慧 李海军 于 2021-08-05 设计创作，主要内容包括：本申请涉及一种波浪能捕获设备及动力系统,其中波浪能捕获设备包括外浮套筒、内浮筒、锚定组件和动力输出组件,其中,内浮筒的一端活动嵌套在所述外浮套筒内,形成内浮筒与外浮套筒之间的第一气室；所述内浮筒的另一端与所述锚定组件连接,用于对所述内浮筒进行锚定；所述外浮套筒上固定设置有浮子,所述浮子用于跟随海浪的起伏带动所述外浮套筒与所述内浮筒之间发生往复位移,以使第一气室的气压根据所述往复位移,发生往复变化；所述动力输出组件与所述外浮套筒相连接,并与所述第一气室连通,用于将因气压发生往复变化产生的空气能转化为机械能,并向外外接的动力设备输出所述机械能,以带动所述动力设备做功。(The application relates to wave energy capturing equipment and a power system, wherein the wave energy capturing equipment comprises an outer floating sleeve, an inner buoy, an anchoring assembly and a power output assembly, wherein one end of the inner buoy is movably nested in the outer floating sleeve to form a first air chamber between the inner buoy and the outer floating sleeve; the other end of the inner buoy is connected with the anchoring assembly and is used for anchoring the inner buoy; the outer floating sleeve is fixedly provided with a floater, and the floater is used for driving the outer floating sleeve and the inner buoy to generate reciprocating displacement along with fluctuation of sea waves so as to enable the air pressure of the first air chamber to generate reciprocating change according to the reciprocating displacement; the power output assembly is connected with the outer floating sleeve, is communicated with the first air chamber, and is used for converting air energy generated by reciprocating change of air pressure into mechanical energy and outputting the mechanical energy to an external power device so as to drive the power device to do work.)

1. A wave energy capturing device, characterized in that it comprises an outer float sleeve, an inner float, an anchor assembly and a power take-off assembly;

one end of the inner float is movably nested in the outer floating sleeve to form a first air chamber between the inner float and the outer floating sleeve;

the other end of the inner buoy is connected with the anchoring assembly and is used for anchoring the inner buoy;

the outer floating sleeve is fixedly provided with a floater, the floater is used for driving the outer floating sleeve and the inner buoy to generate reciprocating displacement along with fluctuation of sea waves, and air pressure of the first air chamber changes according to the reciprocating displacement;

the power output assembly is connected with the outer floating sleeve and communicated with the first air chamber, and is used for converting air energy generated by reciprocating change of air pressure into mechanical energy and outputting the mechanical energy to external power equipment so as to drive the power equipment to do work.

2. The wave energy capture device of claim 1, wherein the power output assembly comprises a cylinder assembly, a piston, and a connecting rod;

the piston is nested in the cylinder assembly, the cylinder assembly and one end face of the piston form a second air chamber, and the second air chamber is communicated with the first air chamber;

the connecting rod is fixed on the other end face of the piston, and when the air pressure of the first air chamber changes in a reciprocating manner, the air pressure in the second air chamber is driven to change synchronously, so that the piston moves in the cylinder assembly in a reciprocating manner;

the connecting rod is used for outputting mechanical energy generated by the piston due to reciprocating motion in the cylinder assembly to an external power device so as to drive the power device to do work.

3. The wave energy capture device of claim 2, wherein the cylinder assembly comprises a cylinder block and a cylinder liner;

the cylinder body is coupled with the cylinder sleeve, and the piston is nested in the cylinder sleeve.

4. A wave energy capture device according to any of claims 1 to 3, characterised in that the float is disposed around the outer float sleeve.

5. The wave energy capturing device of claim 4, characterized in that the float is provided with an opening and a sealing cover;

the opening is used for injecting liquid into the inner cavity of the floater so as to change the draft of the floater;

the sealing cover is disposed on the opening.

6. The wave energy capture device of any of claims 1 to 3 or 5, wherein the anchor assembly comprises a chain and an anchor body;

one end of the anchor chain is fixedly connected with the inner floating cylinder, and the other end of the anchor chain is fixedly connected with the anchor body.

7. The wave energy capture device of any of claims 1-3, 5, wherein the anchor assembly comprises a chain;

one end of the anchor chain is fixedly connected with the inner buoy, and the other end of the anchor chain is fixedly connected with a fixed anchor pile on the seabed.

8. The wave energy capture device of any of claims 1 to 3, 5, further comprising an air energy transmission line;

the air energy transmission pipeline is arranged between the first air chamber and the power output assembly and used for transmitting the air energy to the power output assembly.

9. The wave energy capture device of claim 8, wherein the outer float sleeve is provided with a first male interface and the power output assembly is provided with a second male interface;

one end of the air energy transmission pipeline is fixedly sleeved on the first outer convex interface;

the other end of the air energy transmission pipeline is fixedly sleeved on the second convex interface.

10. A power system comprising wave energy capture apparatus as claimed in any one of claims 1 to 9 and a power plant;

the power equipment is fixedly connected with the wave energy capturing equipment and is used for receiving the mechanical energy output by the wave energy capturing equipment and utilizing the mechanical energy to do work.

Technical Field

The application relates to the technical field of power generation, in particular to wave energy capturing equipment and a power system.

Background

Wave energy is a specific form of ocean energy and is one of the most important energy sources in ocean energy, and the development and utilization of the wave energy are very important for relieving the energy crisis and reducing the environmental pollution.

At present, wave energy is generally converted into energy in an intermediate form by utilizing wave energy, and then the energy in the intermediate form is utilized to drive external power equipment to do work, for example, drive power generation equipment to generate power. Wave energy capturing devices are classified into three types, namely mechanical type, pneumatic type and hydraulic type, according to energy converted into different intermediate forms, and currently, the two types, namely pneumatic type and hydraulic type, are mainly used.

The pneumatic type can convert wave energy into air energy through the air pumping device, the steam turbine drives the generator to generate electricity through the air energy, the hydraulic type can convert the wave energy into hydraulic pressure energy or potential energy through the liquid pumping device, and the driving machine (when the liquid is seawater, the driving machine is a water turbine, and when the liquid is oil, the driving machine is an oil pressure motor) drives the power equipment to do work. At present, two kinds of wave energy capture equipment have more complicated structures, and the degree of difficulty of construction is great, can't promote by a large scale.

Disclosure of Invention

In order to solve the problems that wave energy capturing equipment in the related art is complex in structure, high in construction difficulty and incapable of being popularized in a large area, the wave energy capturing equipment and the power system are provided.

According to a first aspect of the present application, there is provided a wave energy capturing device comprising an outer float sleeve, an inner float, an anchor assembly and a power take off assembly;

one end of the inner float is movably nested in the outer floating sleeve to form a first air chamber between the inner float and the outer floating sleeve;

the other end of the inner buoy is connected with the anchoring assembly and is used for anchoring the inner buoy;

the outer floating sleeve is fixedly provided with a floater, the floater is used for driving the outer floating sleeve and the inner buoy to generate reciprocating displacement along with fluctuation of sea waves, and air pressure of the first air chamber changes according to the reciprocating displacement;

the power output assembly is connected with the outer floating sleeve and communicated with the first air chamber, and is used for converting air energy generated by reciprocating change of air pressure into mechanical energy and outputting the mechanical energy to external power equipment so as to drive the power equipment to do work.

In an alternative embodiment, the power take off assembly includes a cylinder assembly, a piston, and a connecting rod;

the piston is nested in the cylinder assembly, the cylinder assembly and one end face of the piston form a second air chamber, and the second air chamber is communicated with the first air chamber;

the connecting rod is fixed on the other end face of the piston, and when the air pressure of the first air chamber changes in a reciprocating manner, the air pressure in the second air chamber is driven to change synchronously, so that the piston moves in the cylinder assembly in a reciprocating manner;

the connecting rod is used for outputting mechanical energy generated by the piston due to reciprocating motion in the cylinder component outwards.

In an alternative embodiment, the cylinder assembly includes a cylinder block and a cylinder liner;

the cylinder body is coupled with the cylinder sleeve, and the piston is nested in the cylinder sleeve.

In an alternative embodiment, the float is arranged around the outer float sleeve.

In an alternative embodiment, the float is provided with an opening and a sealing cover;

the opening is used for injecting liquid into the inner cavity of the floater so as to change the draft of the floater;

the sealing cover is disposed on the opening.

In an alternative embodiment, the anchor assembly includes an anchor chain and an anchor body;

one end of the anchor chain is fixedly connected with the inner floating cylinder, and the other end of the anchor chain is fixedly connected with the anchor body.

In an alternative embodiment, the anchor assembly comprises an anchor chain;

one end of the anchor chain is fixedly connected with the inner buoy, and the other end of the anchor chain is fixedly connected with a fixed anchor pile on the seabed.

In an alternative embodiment, the wave energy capture device further comprises an air energy transmission line;

the air energy transmission pipeline is arranged between the first air chamber and the power output assembly and used for transmitting the air energy to the power output assembly.

In an optional embodiment, a first convex interface is arranged on the outer floating sleeve, and a second convex interface is arranged on the power output assembly;

one end of the air energy transmission pipeline is fixedly sleeved on the first outer convex interface;

the other end of the air energy transmission pipeline is fixedly sleeved on the second convex interface.

According to a second aspect of the present application there is provided a power system comprising a wave energy capture device as defined in the first aspect of the present application and a power plant;

the power equipment is fixedly connected with the wave energy capturing equipment and is used for receiving the mechanical energy output by the wave energy capturing equipment and utilizing the mechanical energy to do work.

The technical scheme provided by the application can comprise the following beneficial effects: the wave energy capturing device can comprise an outer floating sleeve, an inner buoy, an anchoring assembly and a power output assembly, wherein one end of the inner buoy is movably nested in the outer floating sleeve to form a first air chamber between the inner buoy and the outer floating sleeve; the other end of the inner buoy is connected with the anchoring assembly and is used for anchoring the inner buoy; the outer floating sleeve is fixedly provided with a floater, and the floater is used for driving the outer floating sleeve and the inner buoy to generate reciprocating displacement along with fluctuation of sea waves so as to enable the air pressure of the first air chamber to generate reciprocating change according to the reciprocating displacement; the power output assembly is connected with the outer floating sleeve, is communicated with the first air chamber, and is used for converting air energy generated by reciprocating change of air pressure into mechanical energy and outputting the mechanical energy to an external power device so as to drive the power device to do work. Based on this, the wave energy capture equipment of this application only needs outer float sleeve, interior flotation pontoon, anchor subassembly and power take off subassembly, just can realize outwards exporting after converting the wave energy into mechanical energy, and the structure is simpler, and the cost is lower.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic structural diagram of a wave energy capture device provided in accordance with an embodiment of the present application;

FIG. 2 is a schematic illustration of a power take-off assembly according to an embodiment of the present application;

FIG. 3 is a schematic structural view of an anchor assembly provided in accordance with an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a power system according to another embodiment of the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples consistent with certain aspects of the present application, as detailed in the appended claims.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a wave energy capturing device according to an embodiment of the present application.

As shown in fig. 1, the wave energy capturing apparatus provided by the present embodiment may include: an outer float sleeve 101, an inner float sleeve 102, an anchor assembly 103 and a power take off assembly 104;

one end of the inner float is movably nested in the outer floating sleeve to form a first air chamber between the inner float and the outer floating sleeve;

the other end of the inner buoy is connected with the anchoring assembly and is used for anchoring the inner buoy;

a floater 1011 is fixedly arranged on the outer floating sleeve and is used for driving the outer floating sleeve and the inner floating barrel to reciprocate along with fluctuation of sea waves, so that the air pressure of the first air chamber changes in a reciprocating manner according to the reciprocating displacement;

the power output assembly is connected with the outer floating sleeve, is communicated with the first air chamber, and is used for converting air energy generated by reciprocating change of air pressure into mechanical energy and outputting the mechanical energy to an external power device so as to drive the power device to do work.

Based on the structure, the wave energy capturing device of the embodiment can convert wave energy into mechanical energy and then output the mechanical energy outwards only by the outer floating sleeve, the inner buoy, the anchoring assembly and the power output assembly, and is simpler in structure and lower in cost.

Specifically, referring to fig. 2, fig. 2 is a schematic structural diagram of a power output assembly according to an embodiment of the present application.

As shown in fig. 2, the power take off assembly may include a cylinder assembly, a piston 1041, and a connecting rod 1042. Wherein the piston is nested in the cylinder assembly, the cylinder assembly and one end face of the piston form a second air chamber, and the second air chamber is communicated with the first air chamber; the connecting rod is fixed on the other end face of the piston, and when the air pressure of the first air chamber changes in a reciprocating manner, the air pressure in the second air chamber is driven to change synchronously, so that the piston moves in the cylinder assembly in a reciprocating manner; the connecting rod is used for outputting mechanical energy generated by the piston due to reciprocating motion in the cylinder component outwards.

It should be noted that, since the first air chamber and the second air chamber are communicated, the air pressures of the first air chamber and the second air chamber are the same, and when the air pressure of the first air chamber changes according to the reciprocating displacement, the air pressure of the second air chamber also changes. One end face of the piston is in contact with the second air chamber, and the other end face of the piston is in contact with an environment (such as atmosphere) with fixed air pressure, so that when the air pressure of the second air chamber is smaller than the fixed air pressure, the piston can be pushed towards the second air chamber by the fixed air pressure, and when the air pressure of the second air chamber is larger than the fixed air pressure, the piston can be pushed towards the environment with the fixed air pressure by the air pressure of the second air chamber.

Because the connecting rod is fixed on the other end face of the piston, the connecting rod can be driven to reciprocate under the condition that the piston is pushed, and the reciprocating motion of the connecting rod is embodied by mechanical energy.

Further, the cylinder assembly may include a cylinder block 1043 and a cylinder sleeve 1044, wherein the cylinder block is coupled to the cylinder sleeve, and the piston is nested in the cylinder sleeve. Based on the structure, the piston, the cylinder body and part of the cylinder sleeve can be enclosed to form a second air chamber, two ends of the cylinder sleeve are provided with openings, one opening is coupled with the cylinder and is in sealing connection, and the other opening can be communicated with an environment with fixed air pressure, such as direct atmosphere communication.

In addition, as for the structure of the floats on the outer floating sleeve, various specific arrangement modes can be provided, for example, a plurality of floats are dispersedly fixed on the periphery of the outer floating sleeve, and the plurality of floats can be kept on the same horizontal line so as to ensure that the outer floating sleeve is vertically arranged.

Of course, the float can also be arranged on the outer floating sleeve in a surrounding manner, the float can be in a shape of a swimming ring and can be directly sleeved and fixed on the outer floating sleeve, and the fixing mode can be welding or bonding. The float can also be the structure with outer floating sleeve integrated into one piece, for example outer floating sleeve outer wall turns up, rolls back to outer floating sleeve's outer wall to form a space, the back roll department is sealed with outer floating sleeve contact, makes the space that forms totally separate with the external world, forms the float.

In order to change the draft of the float, an opening can be arranged on the float, liquid, such as water, can be injected into the inner cavity of the float through the opening, the gravity of the float is increased, and the draft is deepened.

The float can also be provided with a sealing cover, and when the sealing cover is arranged on the opening, the inner cavity of the float is ensured to be isolated from the outside, and seawater is prevented from being poured into the inner cavity of the float. The sealing cap can be removed from the opening when it is desired to fill the interior of the float with liquid. It should be noted that, the manner of sealing and covering between the sealing cover and the opening can refer to the related art, and is not described herein again.

Further, reference may be made to fig. 3 for a specific structure of an anchor assembly, and fig. 3 is a schematic structural view of an anchor assembly provided in an embodiment of the present application.

As shown in fig. 3, the anchor assembly may include a chain 1031 having one end fixedly connected to the inner buoy and the other end fixedly connected to an anchor body 1032. The anchor body sinks to the seabed, guarantees that the height of interior flotation pontoon does not change, and in the face of the seabed of the different degree of depth in the sea, can make interior flotation pontoon float in suitable position through the length of adjustment anchor chain.

Of course, some seabed has been provided with fixed anchor piles, then the anchor assembly may simply comprise an anchor chain, one end of which is fixedly connected to the inner buoy and the other end of which is fixedly connected to a fixed anchor pile on the seabed.

It should be noted that, a retaining ring may be disposed on the inner buoy, and the anchor chain is connected to the retaining ring, so as to achieve the fixed connection with the inner buoy.

In addition, in order to enable the wave energy capturing device to output mechanical energy to a further place, the wave energy capturing device in this embodiment may further comprise an air energy transmission line. Wherein, the air can the transmission line set up in first air chamber with power take off subassembly between, be used for with the air can transmit to power take off subassembly.

Specifically, one end of the air energy transmission pipeline is communicated with the first air chamber, the other end of the air energy transmission pipeline is communicated with the second air chamber, in order to effectively connect the first air chamber and the second air chamber, a first convex interface can be arranged on the outer floating sleeve, and a second convex interface is arranged on the power output assembly; one end of the air energy transmission pipeline is fixedly sleeved on the first outer convex interface; the other end of the air energy transmission pipeline is fixedly sleeved on the second convex interface. The cover is established and can be fixed by the end fixing piece, and the end fixing piece can be parts such as a buckle or a clip.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a power system according to another embodiment of the present disclosure.

As shown in fig. 4, the power system provided by the present embodiment may include the wave energy capturing apparatus 100 and the power apparatus 200 provided by the foregoing embodiments;

the power equipment is fixedly connected with the wave energy capturing equipment and is used for receiving the mechanical energy output by the wave energy capturing equipment and utilizing the mechanical energy to do work.

In a specific example, the power device may be a linear generator, and the mover of the linear generator is coaxially connected to the connecting rod, and the connecting rod, when reciprocating, drives the mover of the linear generator to move linearly together. Two groups of permanent magnetic rings which are opposite in polarity and are arranged at intervals are fixed on a rotor of the linear generator, and the rotor moves to enable a stator coil winding of the linear generator to cut magnetic lines of force to generate electricity.

The linear motor consists of a rotor and a stator, wherein the rotor consists of a rotor shaft, a permanent magnetic ring, a magnetic yoke and a partition plate, the magnetic yoke is a good magnetic conductor, the partition plate does not conduct magnetism, the magnetic ring is restrained by the magnetic yoke and the partition plate and is fixed on the rotor shaft, the magnetic ring and the partition plate are equal in width, and the polarities of the adjacent magnetic rings are opposite; the stator consists of a stator iron core and a stator winding, the slot and the tooth of the iron core are equal in width and equal in width with the rotor magnetic ring, and the coil winding is embedded in the slot; the rotor is inserted into the stator, and an air gap is reserved between the rotor and the stator. When the rotor reciprocates along the axial direction of the rotor, the magnetic flux in the stator winding is changed to induce voltage, so that power generation is realized.

In the embodiment, the connecting rod of the wave energy capturing device is driven by the piston to linearly reciprocate, so that the rotor of the linear generator is coaxially connected with the connecting rod, the connecting rod drives the rotor of the linear generator to linearly reciprocate, alternating voltage is induced in the stator coil, and power generation by utilizing wave energy is realized.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.