CN104047798A - Wave current turbine type double-acting pressurization power generation device - Google Patents
Wave current turbine type double-acting pressurization power generation device Download PDFInfo
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- CN104047798A CN104047798A CN201310083946.4A CN201310083946A CN104047798A CN 104047798 A CN104047798 A CN 104047798A CN 201310083946 A CN201310083946 A CN 201310083946A CN 104047798 A CN104047798 A CN 104047798A
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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 invention relates to a wave current turbine type double-acting pressurization power generation device, and is suitable for ocean wave energy and ocean current energy power generation. The wave current turbine type double-acting pressurization power generation device structurally comprises an energy absorption system, an energy conversion system and a power generation system, wherein the energy absorption system consists of a wave current turbine and comprises a stander, machine wheels, an output turntable and the like; absorbed wave energy and ocean current energy are converted into rotation mechanical energy which is transmitted to the energy conversion system; the energy conversion system consists of a double-acting pressurization cylinder, a high-pressure energy storage device, a low-pressure energy storage device, a valve element and the like, can convert the rotation mechanical energy into hydraulic energy, and is connected with the power generation system; the power generation system comprises a high-speed hydraulic motor and a power generator and can finally convert the hydraulic energy into electric energy. The energy conversion system in the wave current turbine type double-acting pressurization power generation device adopts the double-acting pressurization cylinder for realizing parallel action together with a main oil path, and continuous output of high-pressure oil is realized; meanwhile, the energy conversion system is connected with the high-pressure energy storage device and the low-pressure energy storage device and can stabilize pressure and store energy. The wave current turbine type double-acting pressurization power generation device is high in power generation efficiency and stable in power generation current, and can effectively solve the problem of energy shortage of offshore islands.
Description
Technical field
The present invention relates to a kind of wave stream turbine formula double-action supercharging electricity generating device, belong to regenerable marine energy and utilize research field.
Background technique
The develop rapidly of human economy, is accompanied by the non-renewable fossil energy of tradition and excessively develops, and energy crisis is increasingly sharpened, and China's energy supply situation is more nervous, and according to statistics, China's production of energy amount is 13.2 * 10
8t standard coal, consumption figure is 13.9 * 10
8t standard coal.Wherein coal accounts for 75%, and oil accounts for 17%, and rock gas accounts for 2%, and water power and nuclear power account for 6%, and main energy sources also relies on combustion of fossil fuels strongly, therefore, finds a kind of renewable alternative clean energy resource and seems very necessary.
Marine energy, as reproducible natural energy resources, is mainly tidal energy, marine tidal-current energy, wave energy, thermal gradient energy and salt error energy.According to the estimation in < < ocean energy exploitation > > mono-book of WHO's publication in 1981, the reproducible power of theory of global ocean is 7.66 * 10
8kW, contains near shore line, the ocean energy of technical permission utilization has 6.4 * 10
8kW, is the twice of power station, world total installation of generating capacity at that time, and China has 4.4 * 10
8kW.Therefore ocean wave energy and marine tidal-current energy are as the free of contamination renewable energy sources of a kind of Novel clean, because its reserves are large, it is wide to distribute, energy density is high, easily carry out the concern that transformation of energy is subject to common people.
Therefore, designed a kind of wave stream turbine formula double-action supercharging electricity generating device, adopt the supercharging mode of double-action pressurized cylinder, realized the continuous wave output of hydraulic system high pressure oil, the defects such as the electricity generating device generating efficiency that overcome three grades of conversions of tradition is low, generation current is unstable, this apparatus structure advantages of simple, has very strong adaptability to marine complex working condition simultaneously.
Summary of the invention
The present invention is directed to the technological deficiencies such as low, the large vibration of current existing wave energy and tidal current energy generating equipment efficiency, generation current be unstable, propose a kind of energy stabilization, the wave stream turbine formula double-action supercharging electricity generating device that simple and reasonable, energy conversion efficiency is high exported.
This electricity generating device is mainly comprised of turbine, frame, output rotating disk, oil hydraulic cylinder, relief valve, one-way valve, double-action pressurized cylinder, high low pressure accumulator, high-speed hydraulic motor and motor etc., it is characterized in that: the output rotating disk of turbine is directly connected with the piston rod of oil hydraulic cylinder, and described oil hydraulic cylinder rod chamber and rodless cavity all have into and out of hydraulic fluid port.
Wherein hydraulic system adopts double-action pressurized cylinder and working connection parallel join, by 3-position 4-way solenoid directional control valve oil circuit control commutation action.
Adopt high and low pressure accumulator to be series at working connection, described high pressure accumulator is series at high-speed hydraulic motor filler opening, and low pressure accumulator is series at high-speed hydraulic motor oil outlet, the one-way valve of high pressure accumulator filler opening series connection simultaneously.
Beneficial effect of the present invention, utilizes the output rotating disk of turbine to be directly connected with the piston rod of oil hydraulic cylinder, and the rotating mechanical energy of turbine is converted into hydraulic energy; Utilize double-action pressurized cylinder and working connection parallel join, realize the continuous wave output of hydraulic system high pressure oil, there is generating efficiency high, the advantage such as generation current is stable, simple and reasonable.
Accompanying drawing explanation
Fig. 1: wave stream turbine formula double-action supercharging electricity generating device overall structure schematic diagram.
Fig. 2: wave stream turbine formula double-action supercharging electricity generating device hydraulic system schematic diagram.
Fig. 3: wave stream turbine formula double-action supercharging electricity generating device turbine structural representation.
Wherein, the label declaration in accompanying drawing is as follows:
1-oil hydraulic cylinder, 2-relief valve, 3-one-way valve, 4-high pressure accumulator, 5-solenoid directional control valve, 6-double-action pressurized cylinder, 7-high-speed hydraulic motor, 8-generator, 9-low pressure accumulator, 10-fuel tank, 11-frame, 12-wheel, 13-main shaft, 14-current, 15-exports rotating disk, 16-piston rod, 17 (1,2)-position limit switches.
Embodiment
Below in conjunction with accompanying drawing, the present invention is specifically described, shown in Fig. 1, Fig. 2 and Fig. 3.The present invention is a kind of wave stream turbine formula double-action supercharging electricity generating device, comprises energy absorber system, Conversion of Energy system, power generation system.Energy absorber system comprises turbine frame 11, wheel 12, main shaft 13 and output rotating disk 15 etc., turbine main shaft 13 and wheel 12 are arranged in frame 11, and stretch out main shaft 13 outer ends, connect output rotating disk 15, output rotating disk 15 is connected with piston rod 16 use pins, carries out energy transmission; Conversion of Energy system comprises oil hydraulic cylinder 1, two relief valves 2, nine one-way valves 3, solenoid valve 5, double-action pressurized cylinder 6, high pressure accumulator 4, low pressure accumulator 9 and two position limit switches 17 of controlling electromagnetic switch valve events; Power generation system comprises high-speed hydraulic motor 7 and the generator 8 connecting with flexible coupling.
Electricity generating principle is as follows: the wheel 12 that the wave in ocean and ocean current edge arrow 14 directions as shown in Figure 1 promote turbines rotatablely moves, by main shaft 13, drive output rotating disk 15 to rotatablely move, because output rotating disk 15 is connected with piston rod 16 use pins, by rotatablely moving, be converted into like this linear reciprocating motion of piston rod 16 simultaneously.When piston rod 16 moves upward, promote hydraulic oil in cylinder and carry out branch through one-way valve 3 (1), one enters one-way valve 3 (7), another enters solenoid valve 5 and double-action pressurized cylinder 6, during due to solenoid valve 5 original state, 2YA is in high level, therefore promoting piston by valve 3 (5), fluid make high pressure oil promotion valve 3 (6) converge and enter high pressure accumulator 4 with a upper oil circuit, output enters high-speed hydraulic motor 7 again, promote its High Rotation Speed, drive generator 8 rotary electrifications, the fluid low pressure accumulator of flowing through, enter fuel tank, realize single circuit cycle, after piston touches position limit switch 17 (1), to obtain electric be high level to electromagnet 1YA, solenoid valve 5 commutates simultaneously, at this moment export rotating disk 15 and also just forward peak to, start to drive piston rod 16 to move downward, promote hydraulic oil output through one-way valve 3 (3), one enters valve 3 (7), one enter changed to solenoid directional control valve 5 and double-action pressurized cylinder 6, output high pressure oil converges and enters high pressure accumulator 4 with upper one through valve 3 (8), promote high-speed hydraulic motor 7 and drive generator 8 rotary electrifications, the fluid low pressure accumulator 9 of flowing through, enter fuel tank 10, circulation according to this, realize uninterruptable power generation.
Here adopt position limit switch 17 (1), 17 (2) to control respectively solenoid valve 1YA, 2YA and obtain dead electricity, realize commutation action; Adopt oil hydraulic cylinder 1 filler opening directly to connect with fuel tank with one-way valve 3 (2), 3 (9), prevent that on the one hand fluid from flowing backwards, and makes oil hydraulic cylinder 1 back pressure oil suction on the other hand; Adopt double-action pressurized cylinder 6 branch roads in parallel with working connection, guarantee stable output high pressure oil under small flow, guarantee large power stage; Adopt high and low pressure accumulator 4 and 9 to play voltage stabilizing accumulation of energy effect.Working connection connects relief valve 2 simultaneously, plays pressure limiting effect, has guaranteed the safety reliability of hydraulic system.
Claims (3)
1. a wave flows turbine formula double-action supercharging electricity generating device, by turbine, frame, output rotating disk, oil hydraulic cylinder, relief valve, one-way valve, double-action pressurized cylinder, high low pressure accumulator, high-speed hydraulic motor and generator etc., formed, it is characterized in that: the output rotating disk of turbine is directly connected with the piston rod of described oil hydraulic cylinder, and described oil hydraulic cylinder rod chamber and rodless cavity all have into and out of hydraulic fluid port.
2. a kind of wave according to claim 1 flows turbine formula double-action supercharging electricity generating device, it is characterized in that: double-action pressurized cylinder and working connection parallel join, and by 3-position 4-way solenoid directional control valve oil circuit control commutation action.
3. a kind of wave according to claim 1 flows turbine formula double-action supercharging electricity generating device, adopt high and low pressure accumulator to be series at working connection, it is characterized in that: described high pressure accumulator is series at high-speed hydraulic motor filler opening, low pressure accumulator is series at high-speed hydraulic motor oil outlet, the one-way valve of high pressure accumulator filler opening series connection simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310083946.4A CN104047798A (en) | 2013-03-14 | 2013-03-14 | Wave current turbine type double-acting pressurization power generation device |
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| CN201310083946.4A CN104047798A (en) | 2013-03-14 | 2013-03-14 | Wave current turbine type double-acting pressurization power generation device |
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| CN104047798A true CN104047798A (en) | 2014-09-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156259A (en) * | 2015-07-10 | 2015-12-16 | 中国电子科技集团公司第三十八研究所 | Multistage active-coordination wave power generation hydraulic transmission system |
| CN106150850A (en) * | 2016-09-27 | 2016-11-23 | 桂林航天工业学院 | A kind of compound hydraulic drive type wave energy generating set |
| CN107605677A (en) * | 2017-09-30 | 2018-01-19 | 王延辉 | A kind of thermal gradient energy TRT for unmanned underwater hiding-machine |
| CN109026510A (en) * | 2018-09-28 | 2018-12-18 | 天津尚吉液压设备有限公司 | Swinging electricity generator |
| CN109185239A (en) * | 2018-09-10 | 2019-01-11 | 深圳市中粤海洋能源科技有限公司 | A kind of tidal power generation pressure charging system |
| CN114017250A (en) * | 2021-11-05 | 2022-02-08 | 西安交通大学 | Deep sea ocean current energy low-speed current-gathering supercharged hydraulic power generation system |
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| US20100207390A1 (en) * | 2007-07-02 | 2010-08-19 | Stefan Zimmermann | Converter and method for converting mechanical energy into electrical energy |
| GB2472593A (en) * | 2009-08-11 | 2011-02-16 | Mactaggart Scott | Swash plate reactive hydraulic transmission for wave energy converter |
| CN102606375A (en) * | 2012-04-06 | 2012-07-25 | 上海海洋大学 | One-way damping wave power generation device |
| CN203146213U (en) * | 2012-10-23 | 2013-08-21 | 上海海洋大学 | Wave flow universal type double-acting boosting generating set |
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2013
- 2013-03-14 CN CN201310083946.4A patent/CN104047798A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100207390A1 (en) * | 2007-07-02 | 2010-08-19 | Stefan Zimmermann | Converter and method for converting mechanical energy into electrical energy |
| GB2472593A (en) * | 2009-08-11 | 2011-02-16 | Mactaggart Scott | Swash plate reactive hydraulic transmission for wave energy converter |
| CN102606375A (en) * | 2012-04-06 | 2012-07-25 | 上海海洋大学 | One-way damping wave power generation device |
| CN203146213U (en) * | 2012-10-23 | 2013-08-21 | 上海海洋大学 | Wave flow universal type double-acting boosting generating set |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156259A (en) * | 2015-07-10 | 2015-12-16 | 中国电子科技集团公司第三十八研究所 | Multistage active-coordination wave power generation hydraulic transmission system |
| CN106150850A (en) * | 2016-09-27 | 2016-11-23 | 桂林航天工业学院 | A kind of compound hydraulic drive type wave energy generating set |
| CN106150850B (en) * | 2016-09-27 | 2018-07-10 | 桂林航天工业学院 | A kind of compound hydraulic drive type wave energy generating set |
| CN107605677A (en) * | 2017-09-30 | 2018-01-19 | 王延辉 | A kind of thermal gradient energy TRT for unmanned underwater hiding-machine |
| CN107605677B (en) * | 2017-09-30 | 2023-11-17 | 王延辉 | Temperature difference energy power generation device for unmanned underwater vehicle |
| CN109185239A (en) * | 2018-09-10 | 2019-01-11 | 深圳市中粤海洋能源科技有限公司 | A kind of tidal power generation pressure charging system |
| CN109026510A (en) * | 2018-09-28 | 2018-12-18 | 天津尚吉液压设备有限公司 | Swinging electricity generator |
| CN109026510B (en) * | 2018-09-28 | 2024-04-12 | 天津尚吉液压设备有限公司 | Swing power generation device |
| CN114017250A (en) * | 2021-11-05 | 2022-02-08 | 西安交通大学 | Deep sea ocean current energy low-speed current-gathering supercharged hydraulic power generation system |
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Application publication date: 20140917 |