CN101886604B

CN101886604B - Device for generating electricity by using wave energy

Info

Publication number: CN101886604B
Application number: CN201010203783.5A
Authority: CN
Inventors: 罗吉庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-18
Filing date: 2010-06-18
Publication date: 2014-04-16
Anticipated expiration: 2030-06-18
Also published as: CN101886604A

Abstract

The invention discloses a device (100) for generating electricity by using wave energy, which comprises a wave energy collecting mechanism (10) and a switching power mechanism (20). The wave energy collecting mechanism consists of a rubber unit assembly (11), a turbine unit (12), a return pipe (13) and a one-way valve (14) which are communicated end to end to form a one-way circulation loop; the rubber unit assembly (11) comprises at least one rubber unit (111), and fluid is filled in the rubber unit; and each rubber unit (111) is provided with at least one one-way valve (14). The fluid in the collecting mechanism forms circulating flow under the impact of the sea waves, and the circulating flow drives the turbine unit to generate electricity; and the wave energy can be absorbed on all sides, and the turbine unit continuously reuses the wave energy, so that the wave energy loss is less and the use ratio is increased in series. The device has the advantages of extremely simple structure, convenient use, high corrosion resistance, impact resistance and reliability, particularly strong ability of capturing the sea wave energy, large generating capacity, high efficiency, low construction cost and generating cost, and suitability for the fields of power generation of ocean, rivers and lakes.

Description

Device for generating electricity by utilizing wave energy

Technical Field

The present invention relates to a power generation device, and more particularly, to a device for generating power by using energy of sea water or fresh water waves.

Technical Field

The existing wave power generation device has a complex structure; the acquisition system is usually made of rigid materials, is installed in a semi-submerged mode, and has poor corrosion resistance and impact resistance and high cost; the conversion system has many intermediate links and low efficiency; the wave energy is not fully drawn, one round of waves can be used only once, the wave energy utilization rate is low, and some waves can draw wave energy from multiple directions, but the wave energy is greatly lost and the conversion rate is low because media transferring energy inside the collecting mechanism flow disorderly.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a device which comprises: the structure is simple; the acquisition system is made of flexible materials, sinks and floats on the water surface, and has good impact resistance and corrosion resistance and low cost; the conversion system has few intermediate links and high efficiency; the fluid transferring energy inside the wave energy absorbing device flows orderly, can absorb wave energy in all directions, continuously utilizes a round of waves for many times, has small wave energy loss and improves the utilization rate by stages.

In order to solve the technical problems, the invention provides a device for generating power by utilizing wave energy, which comprises a wave energy collecting mechanism and a conversion power generation mechanism, and is characterized in that the wave energy collecting mechanism comprises a rubber unit component, a turbine, a return pipe and a one-way valve, wherein the rubber unit component, the turbine, the return pipe and the one-way valve are communicated end to form a one-way circulation loop; the rubber unit assembly comprises at least one rubber unit; fluid is filled in the rubber unit; the direction of the one-way valve is directed in the direction of the fluid inlet of the turbine; each rubber unit is provided with at least one-way valve.

The one-way valve is arranged between the rubber unit component and the return pipe, and the direction of the one-way valve is from the return pipe to the rubber unit component.

The rubber unit component consists of one rubber unit or two or more rubber units which are communicated in series through one-way valves in the same direction.

The rubber unit assembly is formed by connecting two or more rubber units in parallel, and a fluid inlet and a fluid outlet on each rubber unit are respectively communicated with one-way valves in the same direction.

Two or more than two rubber units are communicated in series by one-way valves in the same direction to form serial branches, and a fluid inlet at the head end and a fluid outlet at the tail end of each serial branch are also respectively communicated with one-way valve; two or more serial branches are connected in parallel to form the rubber unit component.

The fluid is fresh water or other liquid or air.

The conversion power generation mechanism comprises a generator connected with the turbine and driven by the turbine.

The wave energy collecting mechanism and the conversion power generation mechanism are packaged by a sealed rubber jacket, and only a cable for outputting electric energy on the generator extends out of the rubber jacket.

The conversion power generation mechanism comprises a water pump which is connected with the turbine and driven by the turbine, the water pump is communicated with an energy storage tower through a water pipe, and a turbine generator is connected below the energy storage tower through a water pipe.

The rubber unit assembly, the check valve and part of the return pipe of the wave energy collecting mechanism are packaged in a sealed rubber jacket, and the turbine, the part of the return pipe connected with the turbine and the conversion power generation mechanism are located outside the rubber jacket.

According to the device for generating power by utilizing wave energy, the rubber unit assembly, the turbine, the return pipe and the one-way valve in the wave energy collecting mechanism are communicated end to form a one-way circulation loop, fluid for transferring energy in the one-way circulation loop sequentially flows to the turbine in the direction under the impact of sea waves, energy loss is small, and conversion efficiency is high. The collected sea wave energy can drive a generator to generate electricity through a turbine, and can also drive a water pump to pump water to an energy storage tower through the turbine to store the energy, and the turbine generator below the energy storage tower generates electricity. The collecting mechanism can absorb wave energy in all directions, continuously multiplex a round of waves, and has small wave energy loss and improved utilization rate in stages. When only one rubber unit is arranged in one device, waves sequentially impact each part on the rubber unit to enable fluid in the rubber unit to obtain energy to generate unidirectional circulation movement; when one device is provided with two or more than two rubber units, waves impact the rubber units isolated by the check valves successively to enable the fluid in the rubber units to obtain energy to generate unidirectional circulation movement, so that the energy is transmitted to a turbine and is finally converted into electric energy, and the large and small wave energy can be acquired in an omnibearing, long-distance, time-sharing, step-by-step and continuous mode to generate electricity. The device has the advantages of extremely simple structure, convenient use, and good corrosion resistance, impact resistance and reliability; particularly, the capability of capturing the wave energy is extremely strong, the power generation capacity is large, and the efficiency is high; the manufacturing cost and the power generation cost are low; it is suitable for power generation in ocean, river and lake.

Drawings

The invention is described in further detail below with reference to the accompanying drawings:

fig. 1 is a schematic perspective view of an apparatus for generating electricity using wave energy according to embodiment 1 of the present invention.

Fig. 2 is a schematic perspective view of an apparatus for generating electricity using wave energy according to embodiment 2 of the present invention.

Fig. 3 is a schematic perspective view of an apparatus for generating electricity using wave energy according to embodiment 3 of the present invention.

Fig. 4 is a perspective view of an apparatus for generating electricity using wave energy according to embodiment 5 of the present invention.

FIG. 5 is a perspective view showing the outer shape of the device for generating electricity using wave energy according to example 6 of the present invention (in examples 1 to 5, the device is incorporated in a rubber-sealed sheath).

Fig. 6 is a perspective view of an apparatus for generating electricity using wave energy according to embodiment 7 of the present invention.

Fig. 7 is a perspective view of an apparatus for generating electricity using wave energy according to embodiment 8 of the present invention.

Fig. 8 is a perspective view showing the outer shape of example 9 (the device for generating electricity using wave energy according to examples 6 and 7, which is encapsulated by a rubber cover) according to the present invention.

Detailed Description

The device 100 for generating power by utilizing wave energy comprises a wave energy collecting mechanism 10 and a conversion power generation mechanism 20, wherein the wave energy collecting mechanism 10 can be provided with a rubber unit or a plurality of rubber units connected in parallel or in series, and each rubber unit 111 is at least provided with a one-way valve 14; each rubber unit is filled with a fluid capable of transferring energy, such as fresh water or other liquid or air. The conversion power generation mechanism 20 may be a turbine driving a generator to generate power directly, or a turbine driving a water pump to pump water to an energy storage tower on the shore, and then a turbine generator below the energy storage tower generates power. The various wave energy collecting mechanisms 10 can be combined with different conversion power generation mechanisms 20 to form the device 100 for generating power by utilizing wave energy. The direction of the one-way valve is directed in the direction of the fluid inlet of the turbine from which the waves impinge. The following examples are given.

Example 1

As shown in fig. 1, the device 100 for generating power by using wave energy according to embodiment 1 of the present invention comprises a wave energy collecting mechanism 10 and a conversion power generating mechanism 20, wherein the wave energy collecting mechanism 10 comprises a rubber unit assembly 11, a turbine 12, a return pipe 13, a check valve 14 and a manifold 15, the rubber unit assembly 11, the manifold 15, the turbine 12, the return pipe 13 and the check valve 14 are sequentially communicated end to form a one-way circulation loop, wherein a fluid inlet direction of the turbine is communicated with the manifold, and a fluid outlet direction of the turbine is communicated with the return pipe; the rubber unit assembly 11 is composed of a rubber unit 111; the rubber unit 111 is filled with fluid, which can be fresh water or other liquid, or air; the direction of the non-return valve is from the return pipe 13 to the rubber unit 11, i.e. in the direction of the fluid inlet of the turbine. The conversion power generation mechanism 20 is a generator 21, the generator 21 is connected with the turbine 12 and is directly driven by the turbine to generate power, and a cable 22 for outputting electric energy is arranged on the generator.

The device 100 for generating electricity using wave energy according to embodiment 1 can be used near the shore or far from the shore. The one-way valve is fixed at the water bottom or on the shore by adopting the method of the prior art and can sink and float on the water surface, one end of the one-way valve is positioned towards the direction of the sea waves, thus, the direction of the one-way valve is from the direction of the waves to the fluid inlet of the turbine, when the water waves come, the force of the waves impacts the rubber unit, the rubber unit is made of rubber with extremely strong elasticity, the rubber unit is pressed to force the fluid in the rubber unit 111 to flow into the fluid inlet of the turbine 12 through the confluence pipe 15 to drive the turbine to rotate, the rotation of the turbine drives the rotor of the generator to rotate to generate electricity, the electric energy is output to a required place through a cable 22 (such as a submarine cable or a coastal cable), meanwhile, the fluid flowing out of the fluid outlet of the turbine enters a return pipe and flows back into the rubber unit 111 through the one-way valve, the fluid continuously and, the generator continuously generates electric energy output.

Example 2

As shown in fig. 2, the embodiment 2 is substantially the same as the embodiment 1 except that the rubber unit assembly 11 is formed by two rubber units 111 connected in series, and a check valve is also provided between the two rubber units 111, and the check valve is in the same direction as the check valve between the return pipe and the first rubber unit, so that a one-way circulation loop can be formed.

Example 3

As shown in fig. 3, the embodiment 3 is substantially the same as the embodiment 2 except that the rubber unit assembly 11 is formed by connecting 5 rubber units 111 in series, each two adjacent rubber units 111 have a check valve therebetween, and all the check valves are in the same direction as the check valve between the return pipe and the first rubber unit, so that a one-way circulation loop is formed.

Of course, the rubber unit assembly 11 may be formed by connecting less than 5 or more than 5 rubber units 111 in series through unidirectional check valves 14 in the same direction. The plurality of units are communicated, and when waves come, the waves can be collected and transmitted continuously. The rubber unit at the head end can transmit energy to the following unit when being extruded, the following unit cannot transmit the energy to the preceding unit in reverse, and the fluid flow and the energy transmission of the whole unit can only be performed in a one-way circulation mode, so that the aim of improving the efficiency is fulfilled. When sea waves come, the first rubber unit positioned at the forefront is attacked firstly, and the sudden impact causes the interior of the first rubber unit to generate expansion pressure rapidly, so that fluid is forced to flow into the second unit through the one-way valve and cannot flow back to the return pipe; after several seconds, the waves come to the second unit to flap, so that the second unit also generates expansion pressure, but because of the isolation of the one-way valve, the fluid cannot return to the first unit and only can flow into the third unit through the one-way valve; and so on, the fluid is gradually pushed to the tail turbine fluid inlet of the tail unit in a time-sharing and sectional manner, and the turbine is driven to rotate. Meanwhile, the fluid flows out from the fluid outlet of the turbine, returns to the first rubber unit through the return pipe, waits for the attack of the next round of waves, and the process is repeated. The waves impact each cell in sequence, squeezing the fluid from the head end to the tail end, transferring the energy to the turbine, and finally converting it into electricity.

Example 4

Example 4 is substantially the same as example 1 except that the rubber unit assembly 11 is formed by connecting two or more rubber units 111 in parallel, the fluid inlet and the fluid outlet of each rubber unit 111 are respectively communicated with one-way valves 14 in the same direction, and the fluid of the rubber units 111 of the parallel branches is collected to a collecting pipe 15 and then flows into the turbine fluid inlet.

Example 5

As shown in fig. 4, the embodiment 5 is substantially the same as the embodiment 4 except that the rubber unit assembly 11 is formed by connecting 3 (two or more) serial branches in parallel, each serial branch is formed by connecting 5 (two or more) rubber units 111 in series with unidirectional check valves 14 in the same direction, and the fluid inlet at the head end and the fluid outlet at the tail end of each serial branch are respectively communicated with one check valve 14.

Example 6

As shown in FIG. 5, the device for generating electricity by utilizing wave energy according to any of embodiments 1 to 5 is a perspective view of the outer shape of the sealing rubber housing 30. The wave energy collecting mechanism 10 and the conversion power generation mechanism 20 are sealed in a rubber outer sleeve 30 and packaged, and only the cable 22 for outputting electric energy extends out of the rubber outer sleeve. Two (or more) connecting bands 40 are provided on the rubber casing 30, the head end of the device is fixed with the upright (or fixed frame) by the connecting bands 40, the upright or fixed frame is fixed on the water bottom or on the shore, the tail end is fixed on the upright or fixed frame or directly fixed on the shore by the connecting bands 40, and the device 100 can move freely in the vertical direction. The rubber casing 30 is also made of rubber with strong elasticity, and can sink and float on the water surface, the end far away from the conversion power generation mechanism 20 faces the direction of the waves, and the rubber casing is squeezed when the waves of water come, so that the fluid in the rubber unit flows to transfer energy to generate power.

Example 7

As shown in fig. 6, the embodiment 7 is similar to the embodiment 3, and the wave energy collecting mechanism 10 is the same as that of the embodiment 3, and is not repeated; however, the switching power generation mechanism 20 is different from embodiment 3. The conversion power generation mechanism 20 of the embodiment 7 comprises a water pump 23, an energy storage tower 25 and a turbine generator 26, wherein the water pump 23 is connected with and driven by the turbine 12 in the wave energy collecting mechanism 10, the water output end of the water pump is communicated with one energy storage tower 25 through a water pipe 24, the turbine generator 26 is connected below the energy storage tower, and the turbine generator is provided with a cable 22 for outputting electric energy. When waves come, fluid impacts the turbine 12 to rotate, the turbine 12 drives the water pump 23 to rotate, the water pump pumps seawater or fresh water at the position of the device 100 into an energy storage tower 25 on the shore, a water flow outlet is formed in the bottom of the energy storage tower, the water flow impacts a turbine engine to generate electricity, and electric energy is output to a needed place through the cable 22. The energy storage tower can be installed on the shore, and the flow can be controlled to generate electricity in a voltage stabilizing manner through the energy storage tower so as to obtain stable electric energy.

Example 8

As shown in fig. 7, the embodiment 8 is similar to the embodiment 5 shown in fig. 4, and the wave energy collecting mechanism 10 is the same as that of the embodiment 5, and is not repeated; the switching power generation mechanism 20 is different from that of embodiment 5, but is the same as that of embodiment 7, and will not be described again.

Example 9

As shown in fig. 8, example 9 is a schematic external perspective view of the rubber casing for power generation using water wave energy of any of examples 7 and 8, which is sealed. The installation mode is the same as that of the embodiment 6, the packaging mode is similar to that of the embodiment 6 and is slightly different from that of the embodiment 6, the rubber unit assembly 11, the check valve 14 and part of the return pipe 13 of the wave energy collecting mechanism 10 are packaged in a sealed rubber casing 30, the turbine 12, the part of the return pipe 13 connected with the turbine and the conversion power generation mechanism 20 are located outside the rubber casing 30, the turbine and the water pump can be arranged in water, an energy storage tower, a turbine generator and the like are installed on the shore, and the output of electric energy is directly output on the land.

The rubber housing and rubber units of the present invention may be cylindrical, square or triangular, etc. The device for generating power by utilizing wave energy has the function of continuously acquiring energy by one round of wave slapping regardless of a plurality of units or one unit, and the energy is accumulated as if the series characteristics are accumulated. The longer the acquisition mechanism, the more the stage energy is accumulated. Waves striking or squeezing any unit, any location of any unit at any time, such as tail, bottom, upper, side, head, can cause fluid circulation. The wave energy comprehensive collection device is a fundamental guarantee that wave energy can be comprehensively collected and a round of waves can be continuously collected.

Claims

1. A device (100) for generating power by utilizing wave energy comprises a wave energy collecting mechanism (10) and a conversion power generation mechanism (20), and is characterized in that the wave energy collecting mechanism (10) comprises a rubber unit assembly (11), a turbine (12), a return pipe (13) and a one-way valve (14), wherein the rubber unit assembly (11), the turbine (12), the return pipe (13) and the one-way valve (14) are communicated end to form a one-way circulation loop; the rubber unit assembly (11) comprises at least one rubber unit (111); a fluid is filled in the rubber unit (111); the direction of the one-way valve is directed in the direction of the fluid inlet of the turbine; each rubber unit (111) is provided with at least one-way valve (14);

the conversion power generation mechanism (20) comprises a water pump (23) which is connected with the turbine (12) and driven by the turbine, the water pump is communicated with an energy storage tower (25) through a water pipe (24), and a turbine generator (26) is connected below the energy storage tower through a water pipe;

the rubber unit assembly (11), the check valve (14) and part of the return pipe (13) of the wave energy collecting mechanism (10) are packaged in a sealed rubber casing (30), and the turbine (12), the return pipe (13) connected with the other part of the turbine and the conversion power generation mechanism (20) are positioned outside the rubber casing (30).

2. The device for generating electricity from wave energy according to claim 1, characterized in that the rubber unit assembly (11) consists of one rubber unit (111) or of two or more rubber units (111) connected in series with unidirectional check valves (14).

3. The device for generating electricity by using wave energy according to claim 1, characterized in that the rubber unit assembly (11) is formed by connecting more than two rubber units (111) in parallel, and the fluid inlet and the fluid outlet of each rubber unit (111) are respectively communicated with one-way valves (14) in the same direction.

4. The device for generating electricity by using wave energy according to claim 1, characterized in that more than two rubber units (111) are connected in series by unidirectional valves (14) in the same direction to form a series branch, and the fluid inlet at the head end and the fluid outlet at the tail end of each series branch are respectively connected with a unidirectional valve (14); more than two serial branches are connected in parallel to form the rubber unit assembly (11).

5. An apparatus for generating electricity from wave energy according to claim 1, characterised in that the fluid is fresh water or other liquid or air.

6. A device (100) for generating power by utilizing wave energy comprises a wave energy collecting mechanism (10) and a conversion power generation mechanism (20), and is characterized in that the wave energy collecting mechanism (10) comprises a rubber unit assembly (11), a turbine (12), a return pipe (13) and a one-way valve (14), wherein the rubber unit assembly (11), the turbine (12), the return pipe (13) and the one-way valve (14) are communicated end to form a one-way circulation loop; the rubber unit assembly (11) comprises at least one rubber unit (111); a fluid is filled in the rubber unit (111); the direction of the one-way valve is directed in the direction of the fluid inlet of the turbine; each rubber unit (111) is provided with at least one-way valve (14);

characterized in that said conversion power generation means (20) comprise a generator (21) connected to and driven by said turbine (12);

the wave energy collecting mechanism (10) and the conversion power generation mechanism (20) are packaged by a sealed rubber jacket (30), and only a cable (22) for outputting electric energy on the generator (21) extends out of the rubber jacket.

7. The device for generating electricity from wave energy according to claim 6, characterized in that the rubber unit assembly (11) is composed of one rubber unit (111) or is composed of more than two rubber units (111) connected in series by unidirectional valves (14) in the same direction; or,

the rubber unit assembly (11) is formed by connecting more than two rubber units (111) in parallel, and a fluid inlet and a fluid outlet on each rubber unit (111) are respectively communicated with one-way valves (14) in the same direction.

8. The device for generating electricity by using wave energy according to claim 6, characterized in that more than two rubber units (111) are connected in series by unidirectional valves (14) in the same direction to form a series branch, and the fluid inlet at the head end and the fluid outlet at the tail end of each series branch are respectively connected with a unidirectional valve (14); more than two serial branches are connected in parallel to form the rubber unit assembly (11).