CN211082124U - Floating closed swing type sea wave power generation device - Google Patents
Floating closed swing type sea wave power generation device Download PDFInfo
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- CN211082124U CN211082124U CN201921379579.1U CN201921379579U CN211082124U CN 211082124 U CN211082124 U CN 211082124U CN 201921379579 U CN201921379579 U CN 201921379579U CN 211082124 U CN211082124 U CN 211082124U
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- 230000007797 corrosion Effects 0.000 claims abstract description 9
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The utility model belongs to the technical field of the wave power generation technique and specifically relates to a float airtight oscillating wave power generation facility and method thereof can utilize in ocean, lake because the wave energy of fluctuation motion formation under the effect of multiple natural factors such as wind, atmospheric pressure and gravity, collects and stores to convert into and stabilize usable electric energy, solved that current wave power generation technical equipment is huge, easy corrosion, maintenance cost is high, can not provide difficult problems such as electric energy for the mobile device. The device is composed of units for sea wave energy collection, power generation, floating protection and the like, can convert sea wave energy into stable electric energy by utilizing the device, and provides the electric energy for mobile equipment such as ocean exploration, ocean lifesaving and the like or sea island residents.
Description
Technical Field
The utility model belongs to the technical field of the wave power generation technique and specifically relates to a float airtight oscillating wave power generation facility and method thereof can utilize in ocean, lake because the wave energy of fluctuation motion formation under the effect of multiple natural factors such as wind, atmospheric pressure and gravity, collects the storage to change into and stabilize usable electric energy.
Background
With the continuous development of human civilization, the utilization of electric energy is more and more important in production and life, and people in the twenty-first century can hardly leave the electric energy. In order to protect the natural environment, people carry out a great deal of research and exploration on renewable green energy sources such as solar energy, wind energy, biomass power generation and the like, and make positive progress. The utilization research of ocean wave energy in various countries in the world is also productive. The ocean area is wide in China, the energy of ocean waves is abundant, and the energy of the waves can reach 1.7 hundred million kilowatts according to initial estimation. In the area near the Xisha Yongxing island, China began to build a 'leader I' wave energy power generation device in 2018, and the installed capacity of a platform is 260 kilowatts.
According to the basic principle, the existing wave power generation can be roughly divided into the following categories: firstly, air flow or water flow generated by the up-and-down movement of sea waves is utilized to rotate a gas (water) turbine so as to drive a generator to generate electricity; secondly, generating air flow or water flow by utilizing the forward and backward swinging or rotation of the sea wave device, so that the air (water) turbine rotates to drive the generator to generate electricity; thirdly, changing low and large waves into low-volume high-pressure water, then introducing the high-pressure water into a certain high-level water pool for accumulation, so that the high-pressure water head is generated to drive the hydroelectric generating set to generate power1。
Some existing wave power generation technologies are put into use, and some existing wave power generation technologies are subjected to technical verification, but the existing wave power generation technologies have the problems of large size, high construction and maintenance cost, high possibility of corrosion due to contact of an energy absorption conversion component and seawater, poor wind and wave resistance, unstable operation and the like, and are ubiquitous.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a wave power generation technology of generating power from milliwatt level to kilowatt level, power generation facility and marine environment keep apart, portable, accomplish equipment "non-maintaining" basically, keep steady operation for a long time. The device can provide electric energy for mobile facilities such as ocean exploration and ocean lifesaving equipment positioning. The flexible rope can also be fixed near the island and the coast to provide electric energy for the production and the life of residents on the island and the coast.
The utility model discloses a specific technical scheme as follows:
a floating closed swing type sea wave power generation device comprises a kinetic energy collecting unit, a power generation unit and an equipment floating protection unit, wherein the kinetic energy collecting unit and the power generation unit are arranged in the equipment floating protection unit.
The kinetic energy collecting unit is composed of one or more gravity balance wheels, and further comprises two ratchet wheels and two pawls, wherein the two ratchet wheels are a first ratchet wheel and a second ratchet wheel, the two pawls are a first pawl and a second pawl, the kinetic energy collecting unit further comprises an energy storage spring made of elastic metal materials, the initial end of the energy storage spring is fixed on the first ratchet wheel, the tail end of the energy storage spring is connected with the arm of force of a power output shaft, and the power output shaft outputs kinetic energy to the power generation unit. The first pawl is arranged on the gravity balance wheel, the kinetic energy of the sea waves collected by the gravity balance wheel acts on the first ratchet wheel through the first pawl, and the first ratchet wheel rotates clockwise under the pushing of the gravity balance wheel and drives the initial end of the energy storage spring to rotate clockwise. The second pawl is arranged on the first ratchet wheel, the second ratchet wheel is fixed and does not rotate, and the second pawl and the second ratchet wheel act together to prevent the second ratchet wheel from rotating anticlockwise before the energy storage spring is not full.
The utility model discloses a further improvement is provided with a pawl control switch that is used for controlling pawl two on the ratchet two.
The utility model discloses a further improvement adopts bilayer structure in the equipment floats the protection unit, and the inlayer adopts metal construction, and hoisting device anti-deformation intensity, outer adoption prevent seawater corrosion and anti-aging layer structure, hoisting device anticorrosion intensity.
The utility model discloses a further improvement, equipment float and pack inert gas in the protection unit for the inside and outside atmospheric pressure of balancing unit, protection kinetic energy collection unit, power generation unit's operational environment, the whole anti-deformation intensity of hoisting device simultaneously.
The utility model discloses a further improvement still includes device attitude adjustment component, and device attitude adjustment component comprises a rectangle film, fixes the bottom at whole device.
A method for using the floating closed swing type sea wave power generation device comprises the steps of wave energy collection, energy slow release and power generation. In the closed space, the gravity balance wheel is used for collecting the kinetic energy of the sea waves, and a spring structure is used for storing and accumulating the energy and stably outputting the energy, so that the power generation unit stably generates power; the device collects the energy of sea waves, stores energy, generates electricity and the like, is completely finished in a closed space, is isolated from the external environments such as the ocean and the like, and completely avoids the corrosion of substances in the surrounding environment to the device.
The utility model has the advantages that: the wave power generation device produced by the technology can be manufactured in a factory according to the power load requirement of equipment, is simple and feasible, ensures the quality and can provide stable electric energy for the power equipment. The device can move on the sea, and has strong practicability and wide application range. As the units of the power generation device, such as energy collection, storage, power generation and the like, are isolated from the surrounding environment, the corrosion of adverse factors such as seawater, humid air and the like to internal components of the device is avoided, the problem that the energy absorption conversion component is easy to corrode due to the contact with the seawater is solved, the device is kept in the optimal state for a long time, the maintenance cost of equipment can be greatly reduced, and the maintenance-free effect can be basically achieved. Therefore, utilize the utility model discloses can effectively reduce the wave power generation cost, make the wave generated electricity can merge into the electric wire netting, carry out commercial application and become possible.
Drawings
Fig. 1 is a schematic diagram of the horizontal placement of the kinetic energy collection unit of the device of the present invention.
Fig. 2 is a schematic side view of the kinetic energy collection unit of the device of the present invention.
Fig. 3 is a schematic diagram of the process of collecting wave energy and tightening an energy storage spring of the kinetic energy collecting unit of the device of the present invention;
in fig. 3, a represents a state diagram in which the present embodiment is located at the rising of the wave trough, b represents a state diagram in which the present embodiment is just before the wave trough, and c represents a state diagram in which the present embodiment reaches the wave peak.
Fig. 4 is a schematic diagram of the process of returning and resetting the gravity balance after the wave energy of the kinetic energy collecting unit of the device is collected;
in fig. 4, d represents a state diagram of the present embodiment descending from a peak, e represents a state diagram of the present embodiment just before reaching a valley after leaving the peak, and f represents a state diagram of the present embodiment reaching the valley.
Fig. 5 is a schematic cross-sectional view of wave propagation.
In the figure, 1-gravity balance wheel, 2-ratchet wheel I, 3-energy storage spring, 4-power output shaft, 5-pawl I, 6-ratchet wheel II, 7-pawl II, 8-pawl control switch, 9-energy storage spring initial end and 10-energy storage spring tail end.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.
Example (b): a floating closed swing type sea wave power generation device comprises a kinetic energy collecting unit, a power generation unit and an equipment floating protection unit, wherein the kinetic energy collecting unit and the power generation unit are arranged in the equipment floating protection unit.
As shown in fig. 1 and 2, the kinetic energy collecting unit is composed of one or more gravity balance wheels 1, and further includes two ratchet wheels and two pawls, the two ratchet wheels are a ratchet wheel 1 and a ratchet wheel 6, the two pawls are a pawl 5 and a pawl 7, the kinetic energy collecting unit further includes an energy storage spring 3 made of elastic metal material, the initial end of the energy storage spring 3 is fixed on the ratchet wheel 2, the tail end 10 of the energy storage spring is connected with the arm of force of the power output shaft 4, the pawl 5 is arranged on the gravity balance wheel 1, the pawl 7 is arranged on the ratchet wheel 2, the gravity balance wheel 1 is connected to the ratchet wheel 2, the ratchet wheel 2 rotates clockwise under the push of the gravity balance wheel 1 and drives the initial end 9 of the energy storage spring to rotate clockwise, the ratchet wheel 6 is fixed and does not rotate, the pawl 7 and the ratchet wheel 6 cooperate, the ratchet wheel 2 prevents the ratchet wheel 2 from rotating counterclockwise before the energy storage spring 3 is full, the power take-off shaft 4 in the kinetic energy collection unit is connected to the transmission mechanism of the power generation unit and then to the generator.
The kinetic energy source of the power generation of the embodiment is ocean waves, and the ocean waves are used for power generation, and the energy is mainly generated by the vertical and horizontal motions of sea surface waves and the change of water pressure in the waves. Waves in the sea are one of the forms of motion of the sea, and the propagation process of the sea waves is usually accompanied by a water flow phenomenon, which has obvious periodicity, and the generation of the waves is the result of the combined action of external force, gravity and the surface tension of the sea water. The external force factors causing the sea water fluctuation are many, such as wind, the change of atmospheric pressure, the induced tide force of celestial bodies, the sea bottom earthquake, the artificial ship motion and the like. The wave motion of sea water caused by these factors, although the cross-sectional shape of sea wave is complicated, is often idealized as a regular cross-section as shown in fig. 5 because of its apparent periodicity. The present embodiment utilizes this wave motion profile to describe the operation principle of the device driven by sea waves to generate electricity.
Kinetic energy collection is completed by means of the kinetic energy collection unit, the potential energy difference formed by conversion of the wave peak and the wave valley is converted into kinetic energy by the unit, and the kinetic energy is collected and stored to form stable kinetic energy output. The collection process of the wave kinetic energy is as follows:
in order to facilitate understanding of the kinetic energy collection process, it is assumed that the device is fixed on the sea surface of a certain area by a flexible rope, and the device is in a horizontal state at the initial attitude and is positioned at the bottom of a wave valley.
A. The wave crest of the sea wave is arranged on the right side of the device, the sea wave is spread leftwards, one side of the device is pushed up (assuming that the side of the device facing the wave crest is abbreviated as E, and the side of the wave crest is abbreviated as F), and the gravity balance wheel 1 in the device starts to rotate clockwise under the action of gravity. Due to the action of the pawl I5, the ratchet I2 rotates along with the gravity balance wheel 1 and acts on the initial end 9 of the energy storage spring to start winding up the spring until the peak of the wave moves to the middle of the device. The process is shown in fig. 3, the operation process is decomposed into three graphs a, b and c to represent, wherein a represents a state diagram that the embodiment is located at the rising of a wave valley, b represents a state diagram that the embodiment is away from the wave valley and is about to reach the wave peak, c represents a state diagram that the embodiment reaches the wave peak, the left side is a schematic diagram that the attitude of the wave propagation pushing device changes, and the right side is a process that the gravity balance wheel 1 finishes dynamic collection along with the change of the attitude of the device, drives the ratchet wheel 2 to rotate and tightens the energy storage spring 3.
B. The wave crest of the sea wave is spread forwards, the device develops to a horizontal posture, the device is positioned on the wave crest of the sea wave at the moment, the device finally reaches the horizontal posture, at the moment, the gravity balance wheel 1 stops storing energy for the energy storage spring 3, and the gravity balance wheel 1 starts to enter the horizontal posture and is ready for swinging back.
C. The wave crest of the sea wave continues to be pushed forward, the wave crest advances to the left side of the device, a point E of the device begins to sink, and the gravity wheel begins to freely swing back in the counterclockwise direction. The second pawl 7 starts to act on the second ratchet 6 to prevent the second ratchet 1 and the energy storage spring 3 from swinging back along with the gravity balance wheel 1, and the process is shown as d, e and f in fig. 4, wherein d represents a state diagram that the embodiment descends from a crest, e represents a state diagram that the embodiment leaves the crest and is about to reach a valley, and f represents a state diagram that the embodiment reaches the valley.
D. The wave crest of the sea wave continuously spreads forwards, the wave trough of the sea wave moves to the lower part of the device, the point E and the point F of the device move downwards, the device is gradually made to be in a horizontal posture, and meanwhile, the gravity balance wheel 1 finishes free swinging back to a limit position.
E. The wave crest of the sea wave continues to be pushed forward, the integral posture of the device is adjusted to be the posture when A is reached, the point E of the device moves upwards under the pushing of the second wheel wave crest, the gravity balance wheel 1 rotates clockwise again under the action of gravity, the initial end 9 of the energy storage spring 3 is acted by force through the pawl I5, the spring starts to be wound again, and the kinetic energy collecting process is repeated.
The spring is continuously wound from the initial end of the energy storage spring 3 in such a reciprocating way, so that the potential energy on the spring is continuously accumulated, and meanwhile, the kinetic energy is output to the power generation unit through the power output shaft 4 from the tail end 10 of the spring, so that the device can continuously generate power.
According to research, ocean waves propagate in various forms, such as traveling waves, standing waves and the like. The removal speed of floating the object on the sea and the propulsive speed also are different with the wave propagation, and it is poor that there is speed that floater and wave propagation on the sea exist, and the object of floating on the sea also can be along with wave crest and trough conversion and up-and-down motion, the utility model discloses a showy mobile device of work in the ocean provides the electric energy, has utilized this phenomenon. And different sections of the ocean waves in the same direction at a certain moment are different, so that more favorable conditions are created for the device to collect the kinetic energy of the ocean waves.
The technical scheme of the multi-balance wheel design has the same operation principle as that of a single balance wheel, and is not repeated here. In this unit, the main roles of the energy-accumulating spring 3 are two: firstly, the kinetic energy collected by the gravity balance wheel 1 is stored, and secondly, the collected kinetic energy is slowly released, so that the power output shaft 4 continuously and stably outputs the kinetic energy to the power generation unit. Avoid the generated electric energy from being interrupted continuously to become 'garbage electricity' to damage electric equipment.
Meet extreme weather conditions such as in the ocean, the wave height of sea and the unrestrained condition that surpasses the design in a certain time can exist, under the effect of gravity balance wheel 1, the speed of energy storage clockwork spring 3 energy storage can be greater than the speed of the energy of kinetic energy output shaft output far away, energy storage clockwork spring 3 fills gradually, energy storage clockwork spring 3 will lose the ability of energy storage and buffering, if do not take measures this moment, the kinetic energy that gravity balance wheel 1 was collected can direct action on the kinetic energy output shaft, cause the generator rotational speed too fast, influence the power generation quality. To avoid this, a second pawl 7 is designed to control a switch 8, which is shifted to open and close by two adjacent turns of the energy storage spring 3. After the second pawl 7 is lifted and separated from the second ratchet wheel 6, when the gravity balance wheel 1 swings back and resets in the anticlockwise direction, the first ratchet wheel 2 also rotates along with the gravity balance wheel 1 in the anticlockwise direction, and energy collection is stopped temporarily. The kinetic energy output shaft continues to output kinetic energy until the control switch 8 is triggered to be closed, and kinetic energy is collected and recovered.
The power output shaft 4 in this embodiment outputs kinetic energy, and the kinetic energy is changed to a reasonable rotation speed through the speed change mechanism to drive the generator to generate electricity. As this technology is now mature, it will not be described again here.
The kinetic energy collecting unit and the power generating unit are arranged in the equipment floating protection unit, and the unit depends on the buoyancy of seawater to ensure that the device fluctuates along with sea waves. Adopts a double-layer structure: the inner layer adopts a metal structure, so that the anti-deformation strength of the device is improved; the outer layer adopts plastics etc. to prevent seawater corrosion and ageing resistant layer structure, promotes device corrosion resistance intensity. Argon or other inert gases are filled in the device and used for balancing the internal pressure and the external pressure of the device, protecting the operation environment of the kinetic energy collecting and storing unit and the power generating unit, and simultaneously improving the overall anti-deformation strength of the device.
The device gesture adjustment component is used for the device to keep in the wave with the component of adjustment gesture, comprises a rectangle flake, because the utility model discloses a disc appearance, this component are fixed in the device bottom along device diameter EF direction, both utilize the resistance of sea water, overcome the influence of gravity balance 1 rotation to the device gesture, utilize the rivers that the wave propagated again, make the EF direction of device be on a parallel with the wave direction line of wave all the time, let the device be in being favorable to the energy to collect the gesture all the time. The device is used for equipment with lower power or attached to electric equipment, or adopts a design of the balance wheel 1 with multiple forces in different planes, such as power supply for positioning of equipment such as lifeboats and the like, and the component can also be omitted.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The floating closed swing type sea wave power generation device is characterized by comprising a kinetic energy collecting unit, a power generation unit and an equipment floating protection unit, wherein the kinetic energy collecting unit and the power generation unit are arranged in the equipment floating protection unit.
2. A floating closed swing type ocean wave power generation device according to claim 1, wherein the kinetic energy collecting unit is composed of one or more gravity balance wheels, and further comprises two ratchet wheels and two pawls, the two ratchet wheels are a first ratchet wheel and a second ratchet wheel, the two pawls are a first pawl and a second pawl, the kinetic energy collecting unit further comprises an energy storage spring made of elastic metal material, the initial end of the energy storage spring is fixed on the first ratchet wheel, the tail end of the energy storage spring is connected with the arm of force of a power output shaft, the power output shaft is connected to the power generation unit, the first pawl is arranged on the gravity balance wheel, the kinetic energy of ocean waves collected by the gravity balance wheel is acted on the first ratchet wheel through the first pawl, the first ratchet wheel rotates in the clockwise direction under the push of the gravity balance wheel and drives the initial end of the energy storage spring to rotate in the clockwise direction, the second pawl is arranged on the first ratchet wheel, the second ratchet wheel is fixed and does not rotate, and the second pawl and the second ratchet wheel act together to prevent the second ratchet wheel from rotating anticlockwise before the energy storage spring is not full.
3. The floating closed swing type ocean wave power generation device according to claim 2, wherein a pawl control switch for controlling the pawl is provided on the ratchet wheel II.
4. A floating closed swing type sea wave power generation device according to any one of claims 1 to 3, wherein the equipment floating protection unit is internally provided with a double-layer structure, the inner layer is of a metal structure, the deformation resistance of the device is improved, the outer layer is of a seawater corrosion resistance and aging resistance layer structure, and the corrosion resistance of the device is improved.
5. The floating closed swing type sea wave power generation device according to claim 4, wherein inert gas is filled in the equipment floating protection unit and used for balancing the air pressure inside and outside the device, protecting the operation environment of the kinetic energy collection unit and the power generation unit, and improving the overall anti-deformation strength of the device.
6. A floating closed swing type ocean wave power plant according to claim 5, further comprising a plant attitude regulating member formed of a rectangular plate piece fixed to the bottom of the whole plant.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921379579.1U CN211082124U (en) | 2019-08-23 | 2019-08-23 | Floating closed swing type sea wave power generation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921379579.1U CN211082124U (en) | 2019-08-23 | 2019-08-23 | Floating closed swing type sea wave power generation device |
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| CN211082124U true CN211082124U (en) | 2020-07-24 |
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| CN201921379579.1U Expired - Fee Related CN211082124U (en) | 2019-08-23 | 2019-08-23 | Floating closed swing type sea wave power generation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397547A (en) * | 2019-08-23 | 2019-11-01 | 吉田根 | It is a kind of to float closed swing type sea wave power generating and its method |
| CN112360670A (en) * | 2020-09-29 | 2021-02-12 | 中国水产科学研究院渔业机械仪器研究所 | Power generation wave-absorbing dike for fence cultivation |
-
2019
- 2019-08-23 CN CN201921379579.1U patent/CN211082124U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397547A (en) * | 2019-08-23 | 2019-11-01 | 吉田根 | It is a kind of to float closed swing type sea wave power generating and its method |
| CN112360670A (en) * | 2020-09-29 | 2021-02-12 | 中国水产科学研究院渔业机械仪器研究所 | Power generation wave-absorbing dike for fence cultivation |
| CN112360670B (en) * | 2020-09-29 | 2022-09-27 | 中国水产科学研究院渔业机械仪器研究所 | Power generation wave-absorbing dike for fence cultivation |
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Granted publication date: 20200724 |