CN102168642A - Oscillatory type tidal power generation device - Google Patents
Oscillatory type tidal power generation device Download PDFInfo
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- CN102168642A CN102168642A CN201110147764XA CN201110147764A CN102168642A CN 102168642 A CN102168642 A CN 102168642A CN 201110147764X A CN201110147764X A CN 201110147764XA CN 201110147764 A CN201110147764 A CN 201110147764A CN 102168642 A CN102168642 A CN 102168642A
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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
Abstract
The invention provides an oscillatory type tidal power generation device which comprises a base, a column, tidal energy-absorbing boards, a power generation oil cylinder, a hydraulic power accumulator, a generator and a power generation hydraulic motor, wherein the column is arranged on the base and at least one swing arm is arranged on the column; the power generation oil cylinder is connected between the swing arm and the column; the tidal energy-absorbing boards are respectively arranged at the two ends of the swing arm; the power generation oil cylinder is connected with the hydraulic power accumulator which is arranged on the column through an oil pipe; the hydraulic power accumulator is connected with the power generation hydraulic motor through an oil pipe; the power generation hydraulic motor, the hydraulic power accumulator and the generator are all arranged on the column; and the power generation hydraulic motor is connected with the generator. According to the invention, a tide-driven hydraulic device is used to drive mechanical energy into electric energy; high-pressure hydraulic oil produced by the oscillation of the tidal energy-absorbing boards can drive the generator to generate electricity by the rotating of the power generation hydraulic motor. The device has simple structure, high reliability, low failure rate and is easy to install and maintain. Not only is the device suitable for high current sea areas, but also suitable for slow flow areas with lower flow rate and shallow sea areas.
Description
Technical field
The present invention relates to a kind of electricity generating device that is applicable to the ocean tidal power generating, belong to technical field of power generation.
Background technique
Along with rapid economy development, resource consumption sharply increases, and energy supply and demand contradiction is outstanding day by day.Fossil fuel resource is limited, and more the consumption of polyvoltine stone fuel will cause serious environmental pollution more.The ocean area takes up an area of 71% of the ball gross area, and the energy major part that the sun arrives the earth drops in the sky, ocean and the seawater, and portion of energy depends in the seawater with forms such as wave, ocean current, morning and evening tides, the temperature difference by various physics or chemical process.Available energy has substantially exceeded the summation of present global energy demand in the ocean energy, and the renewable energy sources for cleaning.The scientific development of ocean energy and utilization are for readjusting the energy structure, alleviating energy shortage and environmental pollution problem is significant.
Morning and evening tides is the periodicity seawater the fluctuation phenomenon that seawater forms under the graviational interaction of the moon, the sun etc.Tidal phenomena is followed two kinds of motion morphologies: the one, and the seawater vertical lift that flood tide and ebb causes, the i.e. morning and evening tides of common indication; The 2nd, the horizontal motion of seawater, i.e. ocean current.The former (seawater vertical lift) entrained energy (tidal energy) is a potential energy; And the entrained energy (trend energy) of the latter is a kinetic energy.Trend typically refers to the marine stream clocklike of following tidal phenomena and producing, its size and Orientation of trend twice change every day.
Compare with other generation mode, utilize the trend following characteristics of generating electricity: trend can be a kind of reproducible clean energy resource; The energy density of trend energy is much larger than wind energy and solar energy, and gross reserves is huge; Trend can be a kind of in time, space and the energy that changes, but it changes regular following, and can shift to an earlier date prediction; Trend can be generated electricity and do not blocked Hai Jianba, and is less to the marine organisms influence, also can not produce three-waste pollution to environment.
At present representative trend can mainly adopt impeller energy-absorbing technology by generation technology, as Chinese patent literature CN101988463A disclosed a kind of " vertical shaft tidal generating set ", comprise upper platform part, support frame part, three modules of impeller part; The upper platform part mainly comprises generator, gear-box, horizontal coupling shaft, support platform, pillar and vertical coupling shaft; The support frame part is connected to form by upper frame plate, lower frame frame plate, left frame plate and right frame plate; Impeller partly comprises main shaft, spoke cover, spoke, spoke shaft, blade, sharf, wheel rim and self-adaptive controlled angle of attack device.Impeller energy-absorbing technology is more suitable for the marine site that tidal current speed is higher, seawater is darker.
The trend high flow rate time in the most of marine site of China is short, mean velocity is lower.It is a kind of trend that development is suitable for flow velocity trend oscillation power generation the technology low and shallow water along the coast, but trend oscillation power generation technology does not obtain actual development as yet.
Summary of the invention
The present invention is directed to the deficiency that existing trend energy generation technology exists, a kind of have good maintainability and the low oscillating type tidal generating set of safeguarding cost are provided.This electricity generating device can adapt to the characteristics that most marine site trend high flow rate times of China are short, mean velocity is lower.
Oscillating type tidal generating set of the present invention adopts following technical solution:
This oscillating type tidal generating set, comprise base, column, the trend energy-absorbing plate, the generating oil cylinder, hydraulic energy storage device, generator and power hydraulic motor, column is installed on the base, a swing arm is installed on the column at least, be connected with the generating oil cylinder between swing arm and the column, the two ends of swing arm all are equipped with the trend energy-absorbing plate, the generating oil cylinder is connected by oil pipe with hydraulic energy storage device on being installed in column, hydraulic energy storage device is connected with the power hydraulic motor by oil pipe again, the power hydraulic motor, hydraulic energy storage device and generator are installed on the column, and the power hydraulic motor is connected with generator.
A base of vertically placing is installed on the base at least regulates oil cylinder, the adjusting of regulating oil cylinder by base guarantees that column vertically stands on the seabed.
The inside of column is provided with passage, and maintenance is adjusted to associated components in inside so that the staff enters column.Energy-absorbing plate angle adjustment oil cylinder is installed, the high-low limit position when swinging between trend energy-absorbing plate and the swing arm to adjust the trend energy-absorbing plate.
When the swing arm of installing on the column was two or more, each swing arm connected by connecting rod, and connecting rod and each swing arm are hinged.
Generating oil cylinder and energy-absorbing plate angle adjustment oil cylinder all can adopt oscillating oil cylinder.
Said apparatus utilizes trend to realize that by hydraulic driving mechanical energy transforms to electric energy, and the size of trend energy-absorbing plate is unrestricted in the horizontal direction, can arrange two above swing arms in Vertical direction on column, has many to the trend energy-absorbing plate.The trend energy-absorbing plate can be realized by energy-absorbing plate angle adjustment cylinder action in the angular adjustment of high-low limit position.By the maximal work position of generating oil cylinder 5 and generating oil cylinder 9, can regulate energy-absorbing plate vibration range, the full swing angle of energy-absorbing plate can be to 60 °.The trend energy-absorbing plate turns to automatically.The trend energy-absorbing plate vibrates up and down, and compression generating oil cylinder produces high-pressure and hydraulic oil, and high-pressure and hydraulic oil outputs to the power hydraulic motor again behind the hydraulic energy storage device current stabilization, drive the oil hydraulic motor rotation, drives generator for electricity generation.
The present invention is simple in structure, not only is suitable for marine site, high current district, and is suitable for the lower area of slack water of flow velocity, the shallow water along the coast, and it is easier to install, safeguard, the reliability height, and rate of fault is low.
Description of drawings
Fig. 1 is the structural principle schematic representation of first embodiment of the invention.
Fig. 2 is the oscillating type tidal generating set structural principle schematic representation with two swing arms.
Fig. 3 is the oscillating type tidal generating set structural principle schematic representation with three swing arms.
Fig. 4 is the structural principle schematic representation of second embodiment of the invention.
Wherein: 1, base is regulated oil cylinder, and 2, column, 3, swing arm, 4, trend energy-absorbing plate, 5, the generating oil cylinder, 6, top platform, 7, generator, 8, the power hydraulic motor, 9, the generating oil cylinder, 10, energy-absorbing plate angle adjustment oil cylinder, 11, energy-absorbing plate angle adjustment oil cylinder, 12, base, 13, oscillating oil cylinder, 14, oscillating oil cylinder, 15, oil pipe, 16, hydraulic energy storage device, 17, the trend energy-absorbing plate, 18, oscillating oil cylinder.
Embodiment
As shown in Figure 1, oscillating type tidal generating set of the present invention comprises that base 12, base are regulated oil cylinder 1, column 2, trend energy-absorbing plate 4, hydraulic energy storage device 16, generating oil cylinder 5, generator 7, power hydraulic motor 8, oil cylinder 9 and energy-absorbing plate angle adjustment oil cylinder 10 generate electricity.Column 2 is installed on the base 12, a base of vertically placing is installed on the base 12 at least regulates oil cylinder 1 (being provided with four among Fig. 1), and the adjusting of regulating oil cylinder 1 by base guarantees that column 2 vertically stands on the seabed.A swing arm 3 is installed on the column 2 at least, and the middle part of swing arm 3 and column 2 are hinged by a rotating shaft, and swing arm 3 can be around this shaft swing.When swing arm 3 was two or more, each swing arm 3 connected by connecting rod, and connecting rod and each swing arm 3 are hinged, can swing simultaneously to guarantee each swing arm 3.The oscillating type tidal generating set that Fig. 2 provides has two swing arms 3, and the oscillating type tidal generating set that Fig. 3 provides has three swing arms.Generating oil cylinder 5 and generating oil cylinder 9 are installed on the column 2, the piston rod of generating oil cylinder 5 and generating oil cylinder 9 respectively with column 2 on the rotating shaft both sides of a swing arm (generally being to go up a swing arm most) hinged.Generating oil cylinder 5 is connected with a fuel tank with the filler opening of generating oil cylinder 9, and fuel tank can be installed on the column.The two ends of swing arm 3 all are equipped with the trend energy-absorbing plate, are separately installed with energy-absorbing plate angle adjustment oil cylinder 10 and energy-absorbing plate angle adjustment oil cylinder 11 between the trend energy-absorbing plate 4 at swing arm 3 two ends and trend energy-absorbing plate 17 and the swing arm 3.Under the effect of energy-absorbing plate angle adjustment oil cylinder 10 and energy-absorbing plate angle adjustment oil cylinder 11, the trend energy-absorbing plate 4 at swing arm 3 two ends can be swung, with adjusting angle.The top of column 2 is provided with top platform 6, and power hydraulic motor 8 and generator 7 are installed on the top platform 6, and power hydraulic motor 8 is connected with generator 7.The working environment that generating oil cylinder 5, generating oil cylinder 9 and base are regulated oil cylinder 1 has particularity, should guarantee to possess the withstand voltage and sealability of good seawater under different depth conditions, makes the oil liquid pressure of its generation be subjected to the influence of seawater pressure less.Hydraulic energy storage device 16 is installed in column 2 inside, and generating oil cylinder 5 is connected by oil pipe 15 with hydraulic energy storage device 16, and hydraulic energy storage device 16 is connected with power hydraulic motor 8 by oil pipe again.Can on top platform 6, safety guide rail be set.Passage is reserved in inside at column 2, and maintenance is adjusted to relevant device in 2 inside so that the staff enters column.
The present invention utilizes trend to realize that by hydraulic driving mechanical energy transforms to electric energy.Trend energy-absorbing plate 4,17 can be realized by energy-absorbing plate angle adjustment oil cylinder 10 and energy-absorbing plate angle adjustment oil cylinder 11 in the angular adjustment of high-low limit position.By the maximal work position of generating oil cylinder 5 and generating oil cylinder 9, can regulate energy-absorbing plate vibration range.Energy-absorbing plate turns to automatically.Energy-absorbing plate 4,17 vibrates up and down, and compression generating oil cylinder 5 and generating oil cylinder 9 produce high-pressure and hydraulic oil, and high-pressure and hydraulic oil outputs to power hydraulic motor 8 again behind hydraulic energy storage device 16 current stabilizations, drives oil hydraulic motor 8 rotations, drives generator 7 generatings.
The hydraulic driving system that is provided with hydraulic energy storage device is set up at the tidal power generating station.Hydraulic driving system has trend energy memory function, reduces the unstability of tidal power generating.Can be more for a long time when trend, the hydraulic energy storage device of hydraulic driving system begins to store the trend energy; Can diminish and work as trend, when the energy shortage that power generation system is gathered generated electricity normally to keep system, hydraulic energy storage device began to the power generation system makeup energy, reduced the unstability of power generation system.
As shown in Figure 4, present embodiment is generating oil cylinder 5 and 14 replacements of oscillating oil cylinder of generating oil cylinder 9 usefulness among the embodiment 1 that Fig. 1 is provided, and the trend energy-absorbing plate 4 at swing arm 3 two ends and trend energy-absorbing plate 17 are installed in the two ends of swing arm 3 respectively by oscillating oil cylinder 13 and oscillating oil cylinder 18.
Compression oscillating oil cylinder 14 when trend energy-absorbing plate 4 and trend energy-absorbing plate 17 vibrate up and down, the output high pressure oil.Oscillating oil cylinder 14 can be enclosed in the column 2, is not subjected to sea water intrusion.
Compare with impeller energy-absorbing technology, oscillating type trend energy absorption device energy-absorbing plate 4,17 of the present invention size in the horizontal direction is unrestricted; In Vertical direction, along with the increase of the depth of water, trend energy-absorbing plate 4 can be arranged more than two groups simultaneously.Compare with the aial flow impeller electricity generating device, the present invention is expected to obtain many 4 times generated energy at least.In offshore and shallow water area, trend presents the form of reversing current, and promptly trend has only positive and negative both direction, and flow velocity is bigger, and the symmetric arrangement of trend energy-absorbing plate 4 among the present invention is suitable for the reversing current generating, not only be suitable for marine site, high current district, and be suitable for the lower area of slack water of flow velocity.
Claims (5)
1. oscillating type tidal generating set, comprise base, column, the trend energy-absorbing plate, the generating oil cylinder, hydraulic energy storage device, generator and power hydraulic motor, it is characterized in that: column is installed on the base, a swing arm is installed on the column at least, be connected with the generating oil cylinder between swing arm and the column, the two ends of swing arm all are equipped with the trend energy-absorbing plate, the generating oil cylinder is connected by oil pipe with hydraulic energy storage device on being installed in column, hydraulic energy storage device is connected with the power hydraulic motor by oil pipe again, the power hydraulic motor, hydraulic energy storage device and generator are installed on the column, and the power hydraulic motor is connected with generator.
2. oscillating type tidal generating set according to claim 1 is characterized in that: a base of vertically placing is installed on the described base at least regulates oil cylinder.
3. oscillating type tidal generating set according to claim 1 is characterized in that: the inside of described column is provided with passage.
4. oscillating type tidal generating set according to claim 1 is characterized in that: be separately installed with energy-absorbing plate angle adjustment oil cylinder between described trend energy-absorbing plate and the swing arm.
5. oscillating type tidal generating set according to claim 1 is characterized in that: when the swing arm of installing on the described column was two or more, each swing arm connected by connecting rod, and connecting rod and each swing arm are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110147764A CN102168642B (en) | 2011-06-02 | 2011-06-02 | Oscillatory type tidal power generation device |
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|---|---|---|---|
| CN201110147764A CN102168642B (en) | 2011-06-02 | 2011-06-02 | Oscillatory type tidal power generation device |
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| CN102168642A true CN102168642A (en) | 2011-08-31 |
| CN102168642B CN102168642B (en) | 2012-10-10 |
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| CN201110147764A Expired - Fee Related CN102168642B (en) | 2011-06-02 | 2011-06-02 | Oscillatory type tidal power generation device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061958A (en) * | 2012-12-31 | 2013-04-24 | 台州方科汽车部件有限公司 | Horizontal type wave force generating device |
| CN103470440A (en) * | 2013-10-11 | 2013-12-25 | 山东大学 | Power generation device using lift type oscillating hydrofoils to capture tidal current energy |
| CN104454326A (en) * | 2014-12-03 | 2015-03-25 | 哈尔滨工程大学 | Pile foundation vertical shaft direct drive type tidal current energy generation device |
| CN104514678A (en) * | 2013-09-30 | 2015-04-15 | 无锡津天阳激光电子有限公司 | Lower swing plate type sea wave generator |
| CN105221333A (en) * | 2015-10-16 | 2016-01-06 | 浙江海洋学院 | A kind of integrated vertical-axis tide energy power generation system |
| CN105952578A (en) * | 2016-05-26 | 2016-09-21 | 哈尔滨工程大学 | Double-wing type power generation device |
| CN107989739A (en) * | 2017-11-28 | 2018-05-04 | 太重（天津）滨海重型机械有限公司 | Wave energy generating set and Wave energy generating system |
| CN108547722A (en) * | 2018-04-09 | 2018-09-18 | 刘宇 | A kind of high-efficient solid formula ocean energy harvester |
| CN108547729A (en) * | 2018-04-09 | 2018-09-18 | 刘宇 | A kind of high-efficient solid formula ocean energy harvester |
| CN110118149A (en) * | 2019-05-24 | 2019-08-13 | 孙素莲 | A kind of floating type Hydroenergy collecting device in ocean |
| CN111005838A (en) * | 2019-12-27 | 2020-04-14 | 哈尔滨工程大学 | Tandem type motion form conversion device |
| CN112459954A (en) * | 2020-11-24 | 2021-03-09 | 哈尔滨工程大学 | Vortex-induced vibration tidal current energy power generation device with adjustable horizontal state |
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| US3970415A (en) * | 1975-04-10 | 1976-07-20 | Kaj Widecrantz | One way valve pressure pump turbine generator station |
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| WO2005038248A1 (en) * | 2003-10-14 | 2005-04-28 | Wave Star Energy Aps | A wave power apparatus having a float and means for locking the float in a position above the ocean surface |
| CN201730734U (en) * | 2010-07-15 | 2011-02-02 | 大连理工大学 | Straight blade vertical shaft swing type tidal energy conversion device |
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2011
- 2011-06-02 CN CN201110147764A patent/CN102168642B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3970415A (en) * | 1975-04-10 | 1976-07-20 | Kaj Widecrantz | One way valve pressure pump turbine generator station |
| CN1253610A (en) * | 1997-05-01 | 2000-05-17 | S.D.E.能源和脱盐淡化有限公司 | System for conversion of wave energy |
| CN2419388Y (en) * | 2000-05-15 | 2001-02-14 | 许仕超 | Electric power generator driven by waves |
| WO2005038248A1 (en) * | 2003-10-14 | 2005-04-28 | Wave Star Energy Aps | A wave power apparatus having a float and means for locking the float in a position above the ocean surface |
| CN201730734U (en) * | 2010-07-15 | 2011-02-02 | 大连理工大学 | Straight blade vertical shaft swing type tidal energy conversion device |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061958A (en) * | 2012-12-31 | 2013-04-24 | 台州方科汽车部件有限公司 | Horizontal type wave force generating device |
| CN103061958B (en) * | 2012-12-31 | 2015-11-18 | 浙江方向实业有限公司 | Horizontal wave power apparatus |
| CN104514678A (en) * | 2013-09-30 | 2015-04-15 | 无锡津天阳激光电子有限公司 | Lower swing plate type sea wave generator |
| CN103470440A (en) * | 2013-10-11 | 2013-12-25 | 山东大学 | Power generation device using lift type oscillating hydrofoils to capture tidal current energy |
| CN104454326A (en) * | 2014-12-03 | 2015-03-25 | 哈尔滨工程大学 | Pile foundation vertical shaft direct drive type tidal current energy generation device |
| CN105221333A (en) * | 2015-10-16 | 2016-01-06 | 浙江海洋学院 | A kind of integrated vertical-axis tide energy power generation system |
| CN105952578B (en) * | 2016-05-26 | 2018-07-31 | 哈尔滨工程大学 | A kind of biplane power generator |
| CN105952578A (en) * | 2016-05-26 | 2016-09-21 | 哈尔滨工程大学 | Double-wing type power generation device |
| CN107989739A (en) * | 2017-11-28 | 2018-05-04 | 太重（天津）滨海重型机械有限公司 | Wave energy generating set and Wave energy generating system |
| CN108547722A (en) * | 2018-04-09 | 2018-09-18 | 刘宇 | A kind of high-efficient solid formula ocean energy harvester |
| CN108547729A (en) * | 2018-04-09 | 2018-09-18 | 刘宇 | A kind of high-efficient solid formula ocean energy harvester |
| CN110118149A (en) * | 2019-05-24 | 2019-08-13 | 孙素莲 | A kind of floating type Hydroenergy collecting device in ocean |
| CN110118149B (en) * | 2019-05-24 | 2020-09-08 | 自然资源部第二海洋研究所 | Floating hydroenergy collector in ocean |
| CN111005838A (en) * | 2019-12-27 | 2020-04-14 | 哈尔滨工程大学 | Tandem type motion form conversion device |
| CN112459954A (en) * | 2020-11-24 | 2021-03-09 | 哈尔滨工程大学 | Vortex-induced vibration tidal current energy power generation device with adjustable horizontal state |
| CN112459954B (en) * | 2020-11-24 | 2022-05-10 | 哈尔滨工程大学 | Vortex-induced vibration tidal current energy power generation device with adjustable horizontal state |
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