CN110714874A - Lifting type wave energy power generation device - Google Patents
Lifting type wave energy power generation device Download PDFInfo
- Publication number
- CN110714874A CN110714874A CN201911067256.3A CN201911067256A CN110714874A CN 110714874 A CN110714874 A CN 110714874A CN 201911067256 A CN201911067256 A CN 201911067256A CN 110714874 A CN110714874 A CN 110714874A
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- fixed
- power generation
- rod
- floater
- rack
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- 238000010248 power generation Methods 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 230000003028 elevating effect Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1845—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/008—Measuring or testing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
- F05B2220/7062—Application in combination with an electrical generator of the direct current (D.C.) type
-
- 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
- Y02E10/20—Hydro energy
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a lifting type wave energy power generation device which comprises a fixed long rod, a first fixing ring, a second fixing ring, a fixed guide rod, a movable ring, a power generation gear, a gear seat, a rack and a floater, wherein the first fixing ring and the second fixing ring are fixed on the fixed long rod, and two ends of the fixed guide rod are respectively fixed on the first fixing ring and the second fixing ring; the floater is sleeved on the long fixing rod, and the fixing guide rod penetrates through a through hole in the floater; the movable ring is movably sleeved on the fixed long rod, one end of the rack is fixedly connected with the movable ring, the other end of the rack is fixed on the floater, and the rack is arranged in parallel with the fixed long rod; the power generation gear is meshed with the rack. The invention utilizes the reciprocating mechanism consisting of the floater, the gear and the power generation rack to ensure that the wave energy absorption efficiency is high, simultaneously the efficiency of converting the wave energy into power is also high, and the power generation gear is conveniently utilized to continuously drive the generator to rotate back and forth to generate continuous electric energy.
Description
Technical Field
The invention relates to the field of power generation devices, in particular to a lifting type wave energy power generation device.
Background
The energy contained in the waves mainly refers to the kinetic energy and potential energy of ocean surface waves, and is an inexhaustible renewable clean energy. China has wide ocean resources, has large requirements for reasonably utilizing and developing wave energy, and has more and more attention on open utilization of ocean.
The utility model discloses a chinese utility model patent that application number is CN208089459U discloses a roll formula wave energy collection and conversion system, including wave energy collection system, hydraulic transmission system and kinetic energy conversion system, wave energy collection system passes through hydraulic transmission system and links to each other with kinetic energy conversion system, generates electricity through hydraulic transmission to kinetic energy conversion system after the wave energy conversion with the sampling. Adopt roll formula impeller as gathering wave energy's carrier, adapt to not equidimension wave change, improve the collection efficiency of wave energy, after transmitting the conversion for energy converter through the transmission shaft, utilize hydraulic transmission system to carry high hydraulic energy to hydraulic motor, drive the rotatory electric energy that produces of generator, effectively alleviate the pulsation that wave energy's inequilibrium caused system pressure through hydraulic accumulator, the relief pressure valve protects the generator, it is more steady to guarantee the output energy, prevent generator overload operation, thereby realize with the wave energy high efficiency, convert the electric energy into steadily, provide the energy supply for resident's coastal waters life production. However, when wave motion is used as pitching, the efficiency of the rolling type wave energy collecting and converting system disclosed by the patent is greatly reduced; and the whole system is not easy to be fixed in the sea, and the wave energy collecting system is completely possibly in a wave following flow state, so that the efficiency is reduced.
Chinese patent application No. CN109891087A discloses a wave energy converter comprising a body configured to float in water and roll and/or pitch in response to wave action; a pendulum supported by the body and configured to oscillate in response to roll and/or pitch of the body; an energy conversion device associated with the oscillating piece and configured to convert the oscillation of the oscillating piece relative to the body into electrical energy; the wave energy conversion system comprises a pendulum member adjustment device configured to adjust a period of oscillation of the pendulum member, wherein the pendulum member adjustment device comprises one or more flywheels, each of the one or more flywheels being selectively operably connectable to the pendulum member, a body tuning device configured to adjustably tune a roll characteristic of the body, and a controller configured to control the body tuning device such that the roll period of the body approximates or matches a wave energy peak period. However, the wave energy converter disclosed in the patent may overload the generator and affect the stability of the equipment when the waves are large and urgent.
Disclosure of Invention
The invention aims to solve the problems of the existing wave energy power generation equipment and provides a lifting type wave energy power generation device.
The invention realizes the purpose through the following technical scheme: a lifting type wave energy power generation device comprises a fixed long rod, a first fixing ring, a second fixing ring, a fixed guide rod, a movable ring, a power generation gear, a gear seat, a rack and a floater, wherein the first fixing ring and the second fixing ring are fixed on the fixed long rod; the floater is sleeved on the long fixing rod and can slide up and down along the long fixing rod, a through hole matched with the fixing guide rod is formed in the floater, the floater is sleeved on the long fixing rod between the first fixing ring and the second fixing ring, and the fixing guide rod penetrates through the through hole in the floater; the movable ring is movably sleeved on the fixed long rod and sleeved on one side, away from the second fixed ring, of the first fixed ring, one end of the rack is fixedly connected with the movable ring, the other end of the rack is fixed on the floater, and the rack is arranged in parallel with the fixed long rod; the gear seat is fixed on the first fixing ring, the power generation gear is arranged on the gear seat, and the power generation gear is meshed with the rack; the rack drives the power generation gear to rotate when axially sliding along the fixed long rod under the driving of the floater, and the power generation gear is connected with an external power generator and drives the power generator to generate power.
Furthermore, the fixed long rod is a cylindrical long rod, a sensor is arranged at the middle lower end of the fixed long rod, and the upper end of the fixed long rod is fixed on a fixing support at the coastal side.
Further, the sensor is a water pressure sensor or a water depth sensor. Detect different water depth or water pressure situation through water pressure sensor or water depth sensor, it is fixed with the length of fixed stock manually according to water depth or water pressure situation, the fixed degree of depth of fixed stock decides according to the data of sensor feedback, when the water is darker or water pressure is great, sink whole device, ensure device normal motion, when the water is shallower or water pressure is less, then rise whole device, make the part that submerges under the water reduce and ensure that the device can not touch the bottom.
Furthermore, the fixed guide rods are provided with four strips which are uniformly distributed along the axial direction of the fixed long rod, and the floater is provided with four through holes which are matched with the four fixed guide rods.
Further, the reference circle of the power generation gear is tangent to the reference circle of the rack. The power generation gear and the rack are well meshed, so that the rack can drive the power generation gear to rotate back and forth, and further an engine connected with the power generation gear is driven to continuously generate power.
Further, the external generator connected with the power generation gear is a forward and reverse rotation direct current generator.
The invention has the beneficial effects that:
1. the invention utilizes the reciprocating mechanism consisting of the floater, the gear and the power generation rack to ensure that the wave energy absorption efficiency is high, simultaneously the efficiency of converting the wave energy into power is also high, and the power generation gear is conveniently utilized to continuously drive the generator to rotate back and forth to generate continuous electric energy.
2. The invention utilizes the sensor arranged at the middle lower end of the fixed long rod to detect the water depth or the water pressure, and controls the depth of the fixed long rod submerged under water when being installed through the water depth and the water pressure, thereby ensuring the better operation of the whole equipment, improving the stability of the operation, improving the conversion efficiency of wave energy and being widely used.
3. The invention solves the requirement of reasonably developing and utilizing wide ocean resources, particularly wave energy, and converts the energy contained in inexhaustible waves, namely the kinetic energy and the potential energy of ocean surface waves into energy in other forms, such as electric energy and mechanical energy.
4. The invention is suitable for offshore coastal areas, can effectively utilize ocean wave energy, particularly coastal wave energy, realizes the efficient and stable conversion of the wave energy into electric energy, and provides energy supply for the life and production of offshore residents.
5. The invention can respond to the rolling or pitching of the waves and float up and down to generate electricity, the working effect and efficiency of the wave pitching are slightly higher than those of the wave rolling, but the wave energy of the rolling can be utilized, and the utilization rate of the wave energy is improved.
Drawings
Fig. 1 is an isometric view of an elevating wave power generation device of the present invention.
Fig. 2 is another angular isometric view of an elevating wave energy generation device of the present invention.
In the figure, 1-a floater, 2-a rack, 3-a power generation gear, 4-a second fixing ring, 5-a first fixing ring, 6-a fixing guide rod, 7-a fixing long rod and 8-a movable ring.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-2, the lifting type wave energy power generation device comprises a long fixed rod 7, a first fixed ring 5, a second fixed ring 4, a fixed guide rod 6, a movable ring 8, a power generation gear 3, a gear seat, a rack 2 and a floater 1, wherein the first fixed ring 5 and the second fixed ring 4 are fixed on the long fixed rod 7, two ends of the fixed guide rod 6 are respectively fixed on the first fixed ring 5 and the second fixed ring 4, and the fixed guide rod 6 is arranged in parallel with the long fixed rod 7; the floater 1 is sleeved on the long fixing rod 7 and can slide up and down along the long fixing rod 7, a through hole matched with the fixing guide rod 6 is formed in the floater 1, the floater 1 is sleeved on the long fixing rod 7 between the first fixing ring 5 and the second fixing ring 4, and the fixing guide rod 6 penetrates through the through hole in the floater 1; the movable ring 8 is movably sleeved on the long fixed rod 7, the movable ring 8 is sleeved on one side, far away from the second fixed ring 4, of the first fixed ring 5, one end of the rack 2 is fixedly connected with the movable ring 8, the other end of the rack 2 is fixed on the floater 1, and the rack 2 is arranged in parallel with the long fixed rod 7; the gear seat is fixed on the first fixing ring 5, the power generation gear 3 is arranged on the gear seat, and the power generation gear 3 is meshed with the rack 2; the rack 2 drives the power generation gear 3 to rotate when axially sliding along the long fixed rod 7 under the driving of the floater 1, and the power generation gear 3 is connected with an external power generator and drives the power generator to generate power.
The fixed long rod 7 is a cylindrical long rod, a sensor is arranged at the middle lower end of the fixed long rod 7, and the upper end of the fixed long rod 7 is fixed on a fixing support at the coastal side. The sensor is a water pressure sensor or a water depth sensor. Detect different water depth or water pressure situation through water pressure sensor or water depth sensor, it is fixed with the length of fixed stock 7 manually according to water depth or water pressure situation, the fixed degree of depth of fixed stock 7 decides according to the data of sensor feedback, when the water is darker or water pressure is great, sink whole device, ensure that the device normally moves, when the water is shallower or water pressure is less, then rise whole device, make the part that submerges reduce to ensure that the device can not touch submarine.
The fixed guide rods 6 are provided with four strips which are uniformly distributed along the axial direction of the long fixed rod 7, and the floater 1 is provided with four through holes which are matched with the four fixed guide rods 6.
The generating gear 3 is shown with its reference circle tangent to the reference circle of the rack 2. The power generation gear and the rack are well meshed, so that the rack can drive the power generation gear to rotate back and forth, and further an engine connected with the power generation gear is driven to continuously generate power.
The external generator connected with the power generation gear 3 is a positive and negative rotation direct current generator.
The specific working process of the invention is as follows:
the method comprises the following steps: the upper end of a fixed long rod of the device is fixed on a fixed support at the coastal near shore; the specific height of the fixed long rod is adjusted through data of the sensor, when water is deep or the water pressure is high, the whole device is sunk to ensure normal movement of the device, and when the water is shallow or the water pressure is low, the whole device is lifted to reduce the part submerged under the water to ensure that the device cannot touch the water bottom;
step two: when waves impact the device, the floater 1 of the device floats up and down on the fixed guide rod 7 between the first fixed ring 5 and the second fixed ring 4 under the action of rolling or pitching of wave energy;
step three: the floater 1 floats up and down to drive the rack 2 to move up and down, so as to drive the power generation gear 3 to rotate back and forth;
step four: because the power generation gear 3 is directly connected with the external generator, the power generation gear 3 drives the generator to convert wave energy into electric energy when moving back and forth.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (6)
1. The utility model provides a over-and-under type wave energy power generation facility which characterized in that: the device comprises a fixed long rod (7), a first fixing ring (5), a second fixing ring (4), a fixed guide rod (6), a movable ring (8), a power generation gear (3), a gear seat, a rack (2) and a floater (1), wherein the first fixing ring (5) and the second fixing ring (4) are fixed on the fixed long rod (7), two ends of the fixed guide rod (6) are respectively fixed on the first fixing ring (5) and the second fixing ring (4), and the fixed guide rod (6) and the fixed long rod (7) are arranged in parallel; the floater (1) is sleeved on the long fixing rod (7) and can slide up and down along the long fixing rod (7), a through hole matched with the fixing guide rod (6) is formed in the floater (1), the floater (1) is sleeved on the long fixing rod (7) between the first fixing ring (5) and the second fixing ring (4), and the fixing guide rod (6) penetrates through the through hole in the floater (1); the movable ring (8) is movably sleeved on the fixed long rod (7), the movable ring (8) is sleeved on one side, away from the second fixing ring (4), of the first fixing ring (5), one end of the rack (2) is fixedly connected with the movable ring (8), the other end of the rack (2) is fixed on the floater (1), and the rack (2) is arranged in parallel with the fixed long rod (7); the gear seat is fixed on the first fixing ring (5), the power generation gear (3) is installed on the gear seat, and the power generation gear (3) is meshed with the rack (2); the rack (2) drives the power generation gear (3) to rotate when axially sliding along the fixed long rod (7) under the driving of the floater (1), and the power generation gear (3) is connected with an external power generator and drives the power generator to generate power.
2. The elevating wave energy power generation device of claim 1, wherein: the fixed long rod (7) is a cylindrical long rod, a sensor is arranged at the middle lower end of the fixed long rod (7), and the upper end of the fixed long rod (7) is fixed on a fixing support at the coastal side.
3. The elevating wave energy power generation device of claim 1, wherein: the sensor is a water pressure sensor or a water depth sensor.
4. The elevating wave energy power generation device of claim 1, wherein: the fixed guide rods (6) are axially and uniformly distributed along the fixed long rod (7), and the floater (1) is provided with four through holes matched with the four fixed guide rods (6).
5. The elevating wave energy power generation device of claim 1, wherein: the reference circle of the power generation gear (3) is tangent to the reference circle of the rack (2).
6. The elevating wave energy power generation device of claim 1, wherein: the external generator connected with the power generation gear (3) is a positive and negative rotation direct current generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067256.3A CN110714874A (en) | 2019-11-04 | 2019-11-04 | Lifting type wave energy power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067256.3A CN110714874A (en) | 2019-11-04 | 2019-11-04 | Lifting type wave energy power generation device |
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| Publication Number | Publication Date |
|---|---|
| CN110714874A true CN110714874A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911067256.3A Pending CN110714874A (en) | 2019-11-04 | 2019-11-04 | Lifting type wave energy power generation device |
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| Country | Link |
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| CN (1) | CN110714874A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832909A (en) * | 2021-10-11 | 2021-12-24 | 交通运输部天津水运工程科学研究所 | Ecological net cage type wave absorption structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218170A (en) * | 2017-05-23 | 2017-09-29 | 西南交通大学 | A kind of device of oscillating floater wave-energy power generation |
| CN108825427A (en) * | 2018-05-25 | 2018-11-16 | 北京航空航天大学 | Mechanical rectification formula wave energy-absorbing electric generating apparatus |
| CN211648358U (en) * | 2019-11-04 | 2020-10-09 | 浙江工业大学 | Lifting type wave energy power generation device |
-
2019
- 2019-11-04 CN CN201911067256.3A patent/CN110714874A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218170A (en) * | 2017-05-23 | 2017-09-29 | 西南交通大学 | A kind of device of oscillating floater wave-energy power generation |
| CN108825427A (en) * | 2018-05-25 | 2018-11-16 | 北京航空航天大学 | Mechanical rectification formula wave energy-absorbing electric generating apparatus |
| CN211648358U (en) * | 2019-11-04 | 2020-10-09 | 浙江工业大学 | Lifting type wave energy power generation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832909A (en) * | 2021-10-11 | 2021-12-24 | 交通运输部天津水运工程科学研究所 | Ecological net cage type wave absorption structure |
| CN113832909B (en) * | 2021-10-11 | 2022-08-26 | 交通运输部天津水运工程科学研究所 | Ecological type net cage formula wave structure that disappears |
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