Array type multi-point absorption power generation buoy and method for bionic heart pump blood circulation

Abstract

The invention relates to a bionic heart pump blood circulation array type multi-point absorption power generation buoy and method, and belongs to the technical field of wave energy power generation buoys. The bionic heart pump blood circulation array type multi-point absorption power generation buoy comprises a mother buoy body, a power generation device and a plurality of energy capture devices; the bottom of the potential energy collecting chamber is communicated with an inlet of the hydro-generator, and an outlet of the hydro-generator is communicated with the top of the liquid collecting chamber; the energy capturing device comprises a sub-floating body, a protective cover and a telescopic bag body, the protective cover is fixed in the sub-floating body, the telescopic bag body is fixed in the protective cover, a top inlet of the sub-floating body is connected with liquid inlet hoses communicated with the telescopic bag body, the liquid inlet hoses are all communicated with a liquid outlet pipeline of the liquid collecting cavity, and the liquid collecting cavity is communicated with the liquid collecting cavity. A top outlet of each sub-floating body is connected with a liquid outlet hose communicated with the corresponding telescopic bag body, and the multiple liquid outlet hoses are all communicated with a liquid inlet pipeline of the potential energy collecting cavity. The power generation efficiency of the buoy can be improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of wave power generation buoys, and particularly relates to an array type multi-point absorption power generation buoy imitating the blood circulation of a bionic heart and a method. BACKGROUND

[0002] With the continuous growth of global energy demand and the increasingly serious environmental problems, developing clean and renewable marine energy has become an important way to solve the energy crisis. Wave energy is considered as one of the most potential marine energies due to its wide distribution, high energy density and strong sustainability.

[0003] At present, the mainstream wave energy generation technologies mainly include oscillating water column (OWC), oscillating buoy (OB) and overtopping (OT). Among them, the oscillating buoy technology directly absorbs wave energy through the buoy structure and drives the generator by mechanical transmission or hydraulic system, but the mechanical parts are easy to be worn by wave impact, and the energy conversion efficiency fluctuates significantly under the action of random waves, resulting in insufficient power generation stability.

[0004] In recent years, bionics technology has been introduced into the field of wave energy, such as power generation devices imitating fish swimming or jellyfish contraction, which realize energy capture through flexible structures. However, such bionic devices are mostly limited to single unit design, and have problems such as dispersed energy output and low cooperative efficiency, which are difficult to form modularization. SUMMARY

[0005] In view of the deficiencies of the prior art, the purpose of the present application is to provide an array type multi-point absorption power generation buoy imitating the blood circulation of a bionic heart and a method, so as to solve or improve the defects existing in the prior art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: an array type multi-point absorption power generation buoy imitating the blood circulation of a bionic heart, comprising a mother buoy, a power generation device and a plurality of energy capture devices, the power generation device is fixed in the mother buoy, the power generation device comprises a potential energy collection chamber, a water turbine generator and a liquid collection chamber, the bottom outlet of the potential energy collection chamber is communicated with the inlet of the water turbine generator, a flow regulating valve for controlling the size of liquid flow is arranged at the inlet of the water turbine generator, the outlet of the water turbine generator is communicated with the top inlet of the liquid collection chamber, the side wall of the potential energy collection chamber is provided with a liquid inlet pipeline, and the side wall of the liquid collection chamber is provided with a liquid outlet pipeline. A plurality of the energy capture device arrays are arranged outside the mother floating body, the energy capture device includes a child floating body, a protective cover and a telescopic capsule, the protective cover is fixed in the child floating body, the top of the telescopic capsule is fixed in the protective cover, the top of the child floating body is connected with the liquid inlet hose in communication with the telescopic capsule, a plurality of the liquid inlet hoses are in communication with the liquid outlet pipeline, the top of the child floating body is connected with the liquid outlet hose in communication with the telescopic capsule, a plurality of the liquid outlet hoses are in communication with the liquid inlet pipeline, the bottom of the telescopic capsule is fixedly connected with the push rod, and the lower end of the push rod is slidably penetrated to the outside of the child floating body.

[0007] Preferably, a gas pipeline for balancing the pressure in the two chambers is connected between the top of the potential energy collection chamber and the top of the liquid collection chamber.

[0008] Preferably, the bottom outlet of the potential energy collection chamber is in communication with the inlet of the water turbine generator through a first liquid pipeline, and the outlet of the water turbine generator is in communication with the top inlet of the liquid collection chamber through a second liquid pipeline.

[0009] Preferably, a plurality of the liquid inlet hoses are in communication with the liquid outlet pipeline through a first multi-way pipeline, and the liquid inlet hoses are provided with liquid inlet one-way valves, and a plurality of the liquid outlet hoses are in communication with the liquid inlet pipeline through a second multi-way pipeline, and the liquid outlet hoses are provided with liquid outlet one-way valves.

[0010] Preferably, a pressure spring is arranged between the bottom of the telescopic capsule and the bottom of the protective cover.

[0011] Preferably, a drive through hole for the push rod is arranged in the center of the bottom of the child floating body, and the drive through hole is provided with a sealing ring in sliding cooperation with the push rod.

[0012] Preferably, the mother floating body includes a first cavity and a first end cover, the first end cover is fixed at the top opening of the first cavity; the child floating body includes a second cavity and a second end cover, the second end cover is fixed at the top opening of the second cavity; the protective cover includes a cover body and a sealing compression ring, the sealing compression ring is fixed at the top opening edge of the cover body; the top opening edge of the telescopic capsule is provided with a flange, the flange is fixed between the sealing compression ring and the cover body; the second end cover, the sealing compression ring and the cover body are fixedly connected.

[0013] Preferably, the retractable bladder has a fixing hole at the center of its bottom for mounting a push rod. The upper surface of the bottom of the retractable bladder has a first annular groove surrounding the fixing hole. A first sealing plate is installed above the bottom of the retractable bladder, and the center of the first sealing plate is fixedly connected to the top of the push rod. The lower surface of the first sealing plate has a first protruding ring that mates with the first annular groove. The lower surface of the bottom of the retractable bladder has a second annular groove surrounding the fixing hole. A second sealing plate is installed below the bottom of the retractable bladder, and the upper surface of the second sealing plate has a second protruding ring that mates with the second annular groove. The edges of the first sealing plate, the bottom of the retractable bladder, and the edges of the second sealing plate are fixedly connected.

[0014] Preferably, a first mooring ring is provided at the bottom of the mother float.

[0015] Preferably, a second mooring ring is provided at the bottom of the push rod.

[0016] Meanwhile, this invention also provides a biomimetic heart-pumping circulation array-type multi-point absorption power generation method, which uses the aforementioned biomimetic heart-pumping circulation array-type multi-point absorption power generation buoy, and includes the following steps: S1. Wave data is collected in real time using a wave meter, and the flow rate at the inlet of the turbine generator is monitored in real time using a flow sensor. S2. Based on the real-time collected wave condition data, calculate the average value of wave energy for multiple cycles; based on the maximum and minimum values ​​among the multiple average values, and in combination with the rated power of the hydro-generator, determine the upper and lower limits of the energy conversion of the hydro-generator under the current wave condition. S3. Based on the upper and lower limits of energy conversion of the hydro-generator, determine the upper and lower limits of the liquid flow at the inlet of the hydro-generator through the flow sensor, and form the flow control range at the inlet of the hydro-generator. S4. Use a flow control valve to control the liquid flow rate at the inlet of the hydro-generator. If the liquid flow rate at the inlet of the hydro-generator is within the flow control range, maintain the opening of the flow control valve; if the liquid flow rate at the inlet of the hydro-generator is greater than the flow control range, reduce the opening of the flow control valve and increase the load on the hydro-generator; if the liquid flow rate at the inlet of the hydro-generator is less than the flow control range, increase the opening of the flow control valve and reduce the load on the hydro-generator.

[0017] Preferably, in step S2, the specific method for determining the upper limit and lower limit of energy conversion of the water turbine generator under the current wave condition is: if the maximum value in the plurality of average values exceeds the rated power of the water turbine generator, the upper limit of energy conversion of the water turbine generator under the current wave condition is subject to the rated power of the water turbine generator, and the lower limit of energy conversion is subject to the minimum value in the plurality of average values; if the maximum value in the plurality of average values does not exceed the rated power of the water turbine generator, the upper limit of energy conversion of the water turbine generator under the current wave condition is subject to the maximum value in the plurality of average values, and the lower limit of energy conversion is subject to the minimum value in the plurality of average values.

[0018] Compared with the prior art, the present application has the following beneficial effects: The buoy of the present application converts the blood circulation flow into the liquid circulation flow in the buoy, converts the wave energy captured by the energy capturing device into the liquid potential energy in the power generation device, and converts the liquid potential energy into mechanical energy and electrical energy by the water turbine generator, so that the wave energy can be effectively utilized. The buoy of the present application is provided with a plurality of energy capturing devices arranged outside the mother buoy, which can absorb wave energy at multiple points, ensure that the buoy can absorb the energy of wave conditions at different frequencies, convert the discrete wave energy into collective energy storage, and ensure that the potential energy can be converted into stable fluid kinetic energy when released, so that the water turbine generator can generate electricity efficiently. The method of the present application controls the opening size of the flow control valve and the load size of the water turbine generator, so that the rotational speed of the water turbine generator matches the current wave condition, maintains a stable power generation state with high efficiency and high reliability, and improves the service life of the water turbine generator. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below can also be used to obtain other drawings without creative labor for those skilled in the art.

[0020] Figure 1 FIG. 1 is a structural schematic diagram of an array type multi-point absorption power generation buoy of a bionic heart pump blood circulation according to an embodiment of the present application.

[0021] Figure 2 FIG. 4 is a structural schematic diagram of an energy capturing device according to an embodiment of the present application.

[0022] Figure 3 FIG. 6 is a structural schematic diagram of a telescopic capsule according to an embodiment of the present application.

[0023] Figure 4 FIG. 8 is a connection schematic diagram of a first sealing plate and a push rod according to an embodiment of the present application.

[0024] Figure 5 Structure diagram of the second sealing plate in the embodiment of the present application.

[0025] Figure 6 Structure diagram of the first and second multi-pass pipelines in the embodiment of the present application.

[0026] Figure 7 Use diagram of the arrayed multi-point absorption power generation buoy for simulating the blood circulation of a bionic heart in the embodiment of the present application.

[0027] Figure 8 Workflow diagram of the arrayed multi-point absorption power generation method for simulating the blood circulation of a bionic heart in the embodiment of the present application.

[0028] Markings in the diagram: 1, mother floating body; 11, first cavity; 111, first mooring ring; 12, first end cover; 2, power generation device; 21, potential energy collection chamber; 22, water turbine generator; 23, liquid collection chamber; 24, liquid inlet pipeline; 25, liquid outlet pipeline; 26, first liquid pipeline; 27, second liquid pipeline; 28, gas pipeline; 29, flow regulating valve; 3, energy capturing device; 31, sub floating body; 311, second cavity; 312, second end cover; 313, driving through hole; 314, sealing ring; 32, protective cover; 33, retractable capsule; 331, flange; 332, fixing hole; 333, first ring groove; 334, second ring groove; 34, first sealing plate; 341, first convex ring; 35, second sealing plate; 351, second convex ring; 36, pressure spring; 37, push rod; 371, second mooring ring; 41, first multi-pass pipeline; 42, second multi-pass pipeline; 43, plug; 51, liquid inlet hose; 52, liquid outlet hose; 53, liquid inlet check valve; 54, liquid outlet check valve. DETAILED DESCRIPTION

[0029] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below in conjunction with the drawings in the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present application. In order to make the above-mentioned features and advantages of the present application more obvious and easy to understand, the following embodiments will be described in detail below in conjunction with the drawings.

[0030] As Figures 1 to 8As shown, the embodiment of the present application provides a biomimetic heart blood circulation array type multi-point absorption power generation buoy, which comprises a mother floating body 1, a power generation device 2 and a plurality of (such as four) energy capture devices 3, the power generation device 2 is fixed in the mother floating body 1, the power generation device 2 comprises a potential energy collection chamber 21, a water turbine generator 22 and a liquid collection chamber 23, the bottom outlet of the potential energy collection chamber 21 is communicated with the inlet of the water turbine generator 22, the inlet of the water turbine generator 22 is provided with a flow regulating valve 29 for controlling the flow size of the liquid, the outlet of the water turbine generator 22 is communicated with the top inlet of the liquid collection chamber 23, the side wall of the potential energy collection chamber 21 is provided with a liquid inlet pipeline 24, and the side wall of the liquid collection chamber 23 is provided with a liquid outlet pipeline 25; A plurality of the energy capture devices 3 are arranged in an array outside the mother floating body 1, the energy capture device 3 comprises a sub floating body 31, a protective cover 32 and a telescopic capsule 33, the protective cover 32 is fixed in the sub floating body 31, the top of the telescopic capsule 33 is fixed in the protective cover 32, the top inlet of the sub floating body 31 is connected with a liquid inlet hose 51 communicated with the telescopic capsule 33, a plurality of the liquid inlet hoses 51 are all communicated with the liquid outlet pipeline 25, the top outlet of the sub floating body 31 is connected with a liquid outlet hose 52 communicated with the telescopic capsule 33, a plurality of the liquid outlet hoses 52 are all communicated with the liquid inlet pipeline 24, and the bottom of the telescopic capsule 33 is fixedly connected with a push rod 37, and the lower end of the push rod 37 is slidably penetrated to the outside of the sub floating body 31.

[0031] The buoy of the embodiment adopts the principle similar to the blood circulation of the heart, converts the blood circulation movement into the one-way circulation flow of the fluid inside the buoy, and converts the wave energy obtained by the sub floating body 31 into the potential energy of the fluid in the mother floating body 1, and the specific working process is as follows: in the mother floating body 1, the liquid in the potential energy collection chamber 21 flows into the water turbine generator 22 through the flow regulating valve 29, the water turbine generator 22 first converts the liquid energy into mechanical energy, and then converts the mechanical energy into electrical energy, and the liquid in the water turbine generator 22 flows into the liquid collection chamber 23. Outside the mother floating body 1, the liquid in the liquid collection chamber 23 is pumped into the potential energy collection chamber 21 through a plurality of array distributed energy capture devices 3, specifically, the wave crest and the wave trough of the wave are utilized, the sub floating body 31 moves up and down with the wave, the relative up-and-down movement occurs between the sub floating body 31 and the push rod 37, when the push rod 37 drives the telescopic capsule 33 to move downward, the liquid in the liquid collection chamber 23 flows into the telescopic capsule 33 through the liquid outlet pipeline 25 and the liquid inlet hose 51; when the push rod 37 drives the telescopic capsule 33 to move upward, the liquid in the telescopic capsule 33 flows into the potential energy collection chamber 21 through the liquid outlet hose 52 and the liquid inlet pipeline 24, the circulation transportation of the liquid is realized by utilizing the wave energy, and the water turbine generator 22 continuously generates electricity through the circulation transportation of the liquid. The number of the energy capture devices 3 can be adjusted according to the wave condition.

[0032] In this embodiment, in order to balance the pressure in the potential energy collection chamber 21 and the liquid collection chamber 23, a gas pipeline 28 is connected between the top of the potential energy collection chamber 21 and the top of the liquid collection chamber 23. In order to have a large height difference between the potential energy collection chamber 21, the hydraulic generator 22 and the liquid collection chamber 23, the bottom outlet of the potential energy collection chamber 21 is connected to the inlet of the hydraulic generator 22 through a first liquid pipeline 26, and the outlet of the hydraulic generator 22 is connected to the top inlet of the liquid collection chamber 23 through a second liquid pipeline 27. In operation, the liquid in the potential energy collection chamber 21 flows into the hydraulic generator 22 through the first liquid pipeline 26 and the flow regulating valve 29, and the liquid in the hydraulic generator 22 flows into the liquid collection chamber 23 through the second liquid pipeline 27. The liquid can be a non-corrosive liquid medium (such as water) to improve the service life of the buoy.

[0033] In this embodiment, in order to facilitate the connection of the pipelines, a plurality of liquid inlet hoses 51 are connected to the liquid outlet pipeline 25 through a first multi-way pipeline 41, the liquid inlet hoses 51 are provided with liquid inlet one-way valves 53, for example, the outlet end of the liquid inlet hose 51 is fixedly connected (such as threaded connection) to the inlet end of the liquid inlet one-way valve 53, the outlet end of the liquid inlet one-way valve 53 is fixedly connected to the sub-float 31 and leads to the inflatable bladder 33, the liquid in the inflatable bladder 33 is prevented from flowing back into the liquid inlet hose 51 through the liquid inlet one-way valve 53, a plurality of liquid outlet hoses 52 are connected to the liquid inlet pipeline 24 through a second multi-way pipeline 42, the liquid outlet hoses 52 are provided with liquid outlet one-way valves 54, for example, the inlet end of the liquid outlet hose 52 is fixedly connected (such as threaded connection) to the outlet end of the liquid outlet one-way valve 54, the inlet end of the liquid outlet one-way valve 54 is fixedly connected to the sub-float 31 and leads to the inflatable bladder 33, the liquid in the liquid outlet hose 52 is prevented from flowing back into the inflatable bladder 33 through the liquid outlet one-way valve 54. The ports of the first multi-way pipeline 41 and the second multi-way pipeline 42 can be provided with internal threads or external threads; if there are excess ports, the excess ports are sealed with plugs 43. In order to improve the circulation efficiency of the liquid, the diameter of the liquid outlet pipeline 25 is greater than the diameter of the liquid inlet hose 51, and the diameter of the liquid inlet pipeline 24 is greater than the diameter of the liquid outlet hose 52.

[0034] In this embodiment, in order to limit the movement stroke of the retractable capsule 33, a pressure spring 36 is arranged between the bottom of the retractable capsule 33 and the bottom of the protective cover 32, and the retractable capsule 33 is ensured to reciprocate within its stroke range by the pressure spring 36. In order to improve the sealing of the sub-floater 31, a driving through hole 313 is formed in the center of the bottom of the sub-floater 31 for the push rod 37 to pass through, and the driving through hole 313 (for example, the upper end opening thereof) is provided with a sealing ring 314 (such as a rubber ring) in sliding fit with the push rod 37. The sealing ring 314 can be fixed on the bottom of the sub-floater 31 by bolts, and the push rod 37 penetrates through the sealing ring 314 and is in sliding sealing fit with the sealing ring 314.

[0035] In this embodiment, in order to facilitate assembly and maintenance, the mother floater 1 comprises a first cavity 11 and a first end cover 12, the first end cover 12 is fixed (such as bolted) at the top opening of the first cavity 11; the sub-floater 31 comprises a second cavity 311 and a second end cover 312, the second end cover 312 is fixed (such as bolted) at the top opening of the second cavity 311; the protective cover 32 comprises a cover body 321 and a sealing compression ring 322, the sealing compression ring 322 is fixed at the top opening edge of the cover body 321; the top opening edge of the retractable capsule 33 is provided with a flange 331, the flange 331 is fixed between the sealing compression ring 322 and the cover body 321; the second end cover 312, the sealing compression ring 322 and the cover body 321 are fixedly connected. Wherein, the shape of the mother floater 1 is preferably but not limited to cylindrical, the first cavity 11 is cylindrical, and the first end cover 12 is circular. The mother floater 1 can float in seawater, part of which is above the water surface and part of which is below the water surface. In order to improve the utilization rate of wave energy, the shape of the sub-floater 31 is preferably but not limited to conical. Wherein, the bottom center of the cover body 321 is provided with an opening for the push rod 37 to pass through.

[0036] In this embodiment, the bottom center of the retractable capsule 33 is provided with a fixing hole 332 for mounting the push rod 37, the upper surface of the bottom of the retractable capsule 33 is provided with a first ring groove 333 surrounding the fixing hole 332, the first sealing plate 34 is mounted above the bottom of the retractable capsule 33, the center of the first sealing plate 34 is fixedly connected with the top of the push rod 37, the lower surface of the first sealing plate 34 is provided with a first convex ring 341 matched with the first ring groove 333, the bottom of the retractable capsule 33 is provided with a second ring groove 334 surrounding the fixing hole 332, the second sealing plate 35 is mounted below the bottom of the retractable capsule 33, the upper surface of the second sealing plate 35 is provided with a second convex ring 351 matched with the second ring groove 334, and the edges of the first sealing plate 34, the bottom of the retractable capsule 33 and the edges of the second sealing plate 35 are fixedly connected (such as by bolt and nut connection).

[0037] In the embodiment, in order to position the mother float 1 and the energy capturing device 3 of the buoy, the bottom of the mother float 1 is provided with a first mooring ring 111, the bottom of the push rod 37 is provided with a second mooring ring 371, one end of a rope is connected with the first mooring ring 111 and the second mooring ring 371 respectively, and the other end of the rope can be fixed on a fixed object such as the seabed or the shore, so that the buoy can be positioned in a specific sea area.

[0038] Meanwhile, the embodiment also provides an array type multi-point absorption power generation method of a bionic heart blood circulation, and the array type multi-point absorption power generation buoy of the bionic heart blood circulation is used, and the method comprises the following steps. S1, wave condition data (i.e. water depth, wave height, wave period data) are collected in real time by using a wave instrument, and the flow at the inlet of the water turbine generator 22 is monitored in real time by using a flow sensor; S2, according to the wave condition data collected in real time, the average values of the energy of multiple period waves are calculated respectively, the maximum value and the minimum value in the multiple average values are determined, and the upper limit and the lower limit of energy conversion of the water turbine generator 22 under the current wave condition are determined in combination with the rated power of the water turbine generator 22; S3, according to the upper limit and the lower limit of energy conversion of the water turbine generator 22, the upper limit and the lower limit of the liquid flow at the inlet of the water turbine generator 22 corresponding to the upper limit and the lower limit of energy conversion are determined by the flow sensor, so as to form a flow control range at the inlet of the water turbine generator 22; S4, the liquid flow at the inlet of the water turbine generator 22 is controlled by using the flow regulating valve 29, if the liquid flow at the inlet of the water turbine generator 22 is within the flow control range, the opening degree of the flow regulating valve 29 is kept, if the liquid flow at the inlet of the water turbine generator 22 is greater than the flow control range, the opening degree of the flow control valve is reduced and the load of the water turbine generator 22 is increased, and if the liquid flow at the inlet of the water turbine generator 22 is less than the flow control range, the opening degree of the flow control valve is increased and the load of the water turbine generator 22 is reduced.

[0039] In the embodiment, the array type multi-point absorption power generation method of the bionic heart blood circulation can further comprise the following steps. S5, whether the buoy continuously generates power is judged, if yes, the step S2 is returned, and if no, the work is stopped.

[0040] In the embodiment, in the step S1, the flow sensor (omitted in the figure) can be arranged on the first liquid pipeline 26, so as to monitor the liquid flow size flowing into the first liquid pipeline 26 in real time.

[0041] In the embodiment, in step S2, the wave data of 20 cycles (4-5s per cycle) is collected as an example, the average value of the wave energy of each cycle can be calculated respectively to obtain twenty average values; the average value of the wave energy of each two consecutive cycles can be calculated respectively to obtain ten average values; of course, the average value of the wave energy of each four consecutive cycles can be calculated respectively to obtain five average values.

[0042] In the embodiment, in step S2, the specific method for determining the upper limit and the lower limit of the energy conversion of the hydraulic generator 22 under the current wave condition is as follows: if the maximum value in the plurality of average values exceeds the rated power of the hydraulic generator 22, the upper limit of the energy conversion of the hydraulic generator 22 under the current wave condition is subject to the rated power of the hydraulic generator 22, and the lower limit of the energy conversion is subject to the minimum value in the plurality of average values; if the maximum value in the plurality of average values does not exceed the rated power of the hydraulic generator 22, the upper limit of the energy conversion of the hydraulic generator 22 under the current wave condition is subject to the maximum value in the plurality of average values, and the lower limit of the energy conversion is subject to the minimum value in the plurality of average values.

[0043] In the embodiment, in step S3, according to the upper limit of the energy conversion of the hydraulic generator 22, the upper limit of the liquid flow at the inlet of the corresponding hydraulic generator 22 is determined through the flow sensor; according to the lower limit of the energy conversion of the hydraulic generator 22, the lower limit of the liquid flow at the inlet of the corresponding hydraulic generator 22 at this time is determined through the flow sensor; and the flow control range at the inlet of the hydraulic generator 22 is determined through the upper limit and the lower limit of the liquid flow at the inlet of the hydraulic generator 22.

[0044] In the embodiment, in step S4, the opening size of the flow control valve and the load size of the hydraulic generator 22 (i.e. the resistance size applied to the hydraulic generator 22) are controlled to match the rotation speed of the hydraulic generator 22 with the current wave condition, so as to prevent the rotation speed from being too fast or too slow, and improve the service life of the hydraulic generator 22.

[0045] In the embodiment, in step S5, whether the buoy continuously generates electricity can be determined every predetermined time (such as one hour), so that the hydraulic generator 22 can work efficiently under different wave conditions and damage can be avoided.

[0046] In the embodiment, the wave instrument, the flow sensor and the flow regulating valve 29 are all existing products, and they are all electrically connected to the control device, which can be a PLC, a single-chip microcomputer or the like, and the specific model is not limited. The parent floating body 1 and the child floating body 31 in the embodiment both adopt existing sealing technology. In the embodiment, if there is anything not disclosed in detail, it is all existing technology, which will not be described herein.

[0047] In the description of the application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0048] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0049] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0050] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An arrayed multi-point absorption power generating buoy emulating the blood circulation of a heart, characterized in that, The application relates to a power generation device and a plurality of energy capturing devices, wherein the power generation device is fixed in a mother floating body, the power generation device comprises a potential energy collecting chamber, a water turbine generator and a liquid collecting chamber, the bottom outlet of the potential energy collecting chamber is communicated with the inlet of the water turbine generator, a flow regulating valve for controlling the liquid flow is arranged at the inlet of the water turbine generator, the outlet of the water turbine generator is communicated with the top inlet of the liquid collecting chamber, the side wall of the potential energy collecting chamber is provided with a liquid inlet pipeline, and the side wall of the liquid collecting chamber is provided with a liquid outlet pipeline. A plurality of the energy capturing devices are arranged outside the mother floating body, the energy capturing device comprises a sub floating body, a protective cover and a telescopic bag body, the protective cover is fixed in the sub floating body, the top of the telescopic bag body is fixed in the protective cover, the top inlet of the sub floating body is connected with a liquid inlet hose communicated with the telescopic bag body, a plurality of the liquid inlet hoses are communicated with the liquid outlet pipeline, the top outlet of the sub floating body is connected with a liquid outlet hose communicated with the telescopic bag body, a plurality of the liquid outlet hoses are communicated with the liquid inlet pipeline, and the bottom of the telescopic bag body is fixedly connected with a push rod, the lower end of the push rod is slidably penetrated to the outside of the sub floating body.

2. The biomimetic blood-pumping circulation arrayed multi-point power generating buoy of claim 1, wherein, A gas pipeline for balancing the pressure in the two chambers is arranged between the top of the potential energy collecting chamber and the top of the liquid collecting chamber.

3. The biomimetic blood-pumping circulation arrayed multi-point power generating buoy of claim 1, wherein, The bottom outlet of the potential energy collecting chamber is communicated with the inlet of the water turbine generator through a first liquid pipeline, and the outlet of the water turbine generator is communicated with the top inlet of the liquid collecting chamber through a second liquid pipeline.

4. The biomimetic blood-pumping circulation arrayed multi-point power generating buoy of claim 1, wherein, A plurality of the liquid inlet hoses are communicated with the liquid outlet pipeline through a first multi-way pipeline, the liquid inlet hoses are provided with liquid inlet one-way valves, a plurality of the liquid outlet hoses are communicated with the liquid inlet pipeline through a second multi-way pipeline, and the liquid outlet hoses are provided with liquid outlet one-way valves.

5. The biomimetic blood-pumping circulation arrayed multi-point power generating buoy of claim 1, wherein, A pressure spring is arranged between the bottom of the telescopic bag body and the bottom of the protective cover.

6. The biomimetic blood-pumping circulation arrayed multi-point power generating buoy of claim 1, wherein, A driving through hole for the push rod is arranged in the center of the bottom of the sub floating body, and the driving through hole is provided with a sealing ring in sliding cooperation with the push rod.

7. The biomimetic blood-pumping circulation arrayed multi-point power generating buoy of claim 1, wherein, The mother floating body comprises a first cavity and a first end cover, the first end cover is fixed at the top opening of the first cavity, the sub floating body comprises a second cavity and a second end cover, the second end cover is fixed at the top opening of the second cavity, the protective cover comprises a cover body and a sealing compression ring, the sealing compression ring is fixed at the top opening edge of the cover body, the top opening edge of the telescopic bag body is provided with a flange, the flange is fixed between the sealing compression ring and the cover body, and the second end cover, the sealing compression ring and the cover body are fixedly connected.

8. The biomimetic blood-pumping circulation arrayed multi-point power generating buoy of claim 1, wherein, The bottom center of the telescopic capsule is provided with a fixed hole for installing a push rod, the bottom upper surface of the telescopic capsule is provided with a first ring groove surrounding the fixed hole, a first sealing plate is installed above the bottom of the telescopic capsule, the center of the first sealing plate is fixedly connected with the top of the push rod, the lower surface of the first sealing plate is provided with a first convex ring matched with the first ring groove, the bottom lower surface of the telescopic capsule is provided with a second ring groove surrounding the fixed hole, a second sealing plate is installed below the bottom of the telescopic capsule, the upper surface of the second sealing plate is provided with a second convex ring matched with the second ring groove, and the edge of the first sealing plate, the bottom of the telescopic capsule and the edge of the second sealing plate are fixedly connected.

9. A method for generating electricity by arrayed multi-point absorption of a biomimetic heart blood circulation, using a biomimetic heart blood circulation arrayed multi-point absorption power generation buoy according to claim 1, characterized in that, The method comprises the following steps: S1, collecting wave condition data in real time by using a wave instrument, and monitoring the flow at the inlet of the hydraulic generator in real time by using a flow sensor; S2, calculating the average values of the energy of multiple periodic waves according to the wave condition data collected in real time, determining the upper limit and the lower limit of energy conversion of the hydraulic generator under the current wave condition according to the maximum value and the minimum value of the multiple average values, and combining the rated power of the hydraulic generator; S3, determining the upper limit and the lower limit of the liquid flow at the inlet of the hydraulic generator corresponding to the upper limit and the lower limit of energy conversion of the hydraulic generator by the flow sensor, and forming the flow control range at the inlet of the hydraulic generator; S4, controlling the liquid flow at the inlet of the hydraulic generator by using a flow regulating valve, if the liquid flow at the inlet of the hydraulic generator is within the flow control range, keeping the opening of the flow regulating valve, if the liquid flow at the inlet of the hydraulic generator is greater than the flow control range, reducing the opening of the flow control valve and increasing the load of the hydraulic generator, and if the liquid flow at the inlet of the hydraulic generator is less than the flow control range, increasing the opening of the flow control valve and reducing the load of the hydraulic generator.

10. The arrayed multi-point absorption power generation method of claim 9, wherein, In step S2, the specific method for determining the upper limit and the lower limit of energy conversion of the hydraulic generator under the current wave condition is that if the maximum value of the multiple average values exceeds the rated power of the hydraulic generator, the upper limit of energy conversion of the hydraulic generator under the current wave condition is subject to the rated power of the hydraulic generator, and the lower limit of energy conversion is subject to the minimum value of the multiple average values; if the maximum value of the multiple average values does not exceed the rated power of the hydraulic generator, the upper limit of energy conversion of the hydraulic generator under the current wave condition is subject to the maximum value of the multiple average values, and the lower limit of energy conversion is subject to the minimum value of the multiple average values.

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