CN103114962A - Semi-submersible type ocean current power generation system - Google Patents
Semi-submersible type ocean current power generation system Download PDFInfo
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- CN103114962A CN103114962A CN2013100831123A CN201310083112A CN103114962A CN 103114962 A CN103114962 A CN 103114962A CN 2013100831123 A CN2013100831123 A CN 2013100831123A CN 201310083112 A CN201310083112 A CN 201310083112A CN 103114962 A CN103114962 A CN 103114962A
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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
- Y02E10/20—Hydro energy
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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 semi-submersible type ocean current power generation system. The semi-submersible type ocean current power generation system is characterized by comprising a box, wherein a suspension cabin is connected on the bottom of the box, a conflux pipeline, a water turbine pipeline and a wake flow pipeline are arranged on the suspension cabin and on lateral sides of the box, and the conflux pipeline, the water turbine pipeline and the wake flow pipeline are connected in sequence. A water turbine is arranged on the water turbine pipeline, wherein the water turbine comprises a cylindrical shell, through holes are formed in the central positions of two ends of the water turbine, and a rotary shaft is arranged in the though holes. Radial vanes are evenly distributed on the periphery of the section, in the cylindrical shell, of the rotary shaft, wherein the vanes are formed by connection of a plurality of tile-shaped plates, and corresponding straight lines of every two adjacent tile-shaped plates are connected. An opening running through the whole cylindrical shell along the length direction is formed in the lower side of the cylindrical shell. An opening is formed in the wall of the water turbine pipeline. The periphery of the opening in the cylindrical shell is fixedly connected with the periphery of the opening in the water turbine pipeline in a sealed mode. One end of the rotary shaft extends into the box and is connected with an input shaft of an electric generator through a gearbox. The semi-submersible type ocean current power generation system is big in electric generating quantity, capable of meeting high-power requirements, and good in stability and flexibility.
Description
Technical field
The present invention relates to a kind of electricity generating device.Specifically, be the semi-submersible type ocean current power generation system that utilizes current (particularly ocean current) to generate electricity.
Background technique
As everyone knows, the area of earth surface 70% is covered by ocean, and under the promotion of wind-force and other power, seawater is following moving that certain route goes round and begins again all the year round, this has just formed ocean current, the scale of ocean current will be far longer than the river in the rivers and lakes of land, and it is a kind of inexhaustible, nexhaustible environmental protection resource.
In the last few years, in order to reduce the transition development and utilization of earth energy, countries in the world were all relatively paid attention to utilizing the environmental protection resource to generate electricity, and this wherein just comprises ocean current power generation.No. 201210075937.6 patents of China disclose " a kind of hermetically sealed compact floating ocean current generating system ", and it comprises vertical axis impeller, planetary gearbox, generator and buoyancy tank; Described vertical axis impeller is arranged on the low speed input end of planetary gearbox, and described generator is arranged on the high-speed output end of planetary gearbox, and described generator afterbody is arranged on buoyancy tank.although utilize this power station using ocean currents to generate electricity, but because the flow velocity of ocean current is slower, usually below 1 meter per second, specific power is little, want to improve the generated energy of unit, just must do the blade of d-axis impeller very large, and due to the restriction of the impact that is subject to marine ecosystems and d-axis impeller intensity, the size of blade can not unconfinedly increase, even if with its size do very large, also entrained kinetic energy under the common flow velocity of ocean current simply can only be changed, thereby generation electric energy, this generated energy is very limited, can't realize powerful requirement.Be positioned at again the top of d-axis impeller, planetary gearbox, generator due to the buoyancy tank of this system, and for enough buoyancy is provided to system, the volume of buoyancy tank is all larger, its lifting surface area that is subject to the impact of wind-force and ocean current on the sea is larger, drift easily occurs and tilt, the stability of a system is relatively poor, easily is damaged.And in any case adjust the draft of this system's buoyancy tank, its d-axis impeller all is positioned at below the sea all the time, and when the needs movement system, d-axis impeller and seawater clash into and produce very large resistance, and flexibility is relatively poor.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of semi-submersible type ocean current power generation system.This power generation system, generated energy is higher, can reach powerful requirement, and system stability is and flexibility is all better.
For addressing the above problem, take following technological scheme:
The characteristics of semi-submersible type ocean current power generation system of the present invention are to comprise casing, are provided with power transmission and transformation device and generator in casing, and the Out let of generator is connected with the power transmission and transformation device by cable.Described casing below is connected with the suspension cabin, and the plane projection area in suspension cabin is greater than the plane projection area of casing.Conflux pipeline, water turbine pipeline and wake flow pipeline that horizontal arrangement is arranged on the suspension cabin of described casing side, conflux pipeline and wake flow pipeline are bucket-shaped, the end that their bores are less is connected with the two ends of water turbine pipeline respectively, the end that the conflux pipe diameter is larger is the ocean current entrance, and the end that the wake flow pipe diameter is larger is the wake flow outlet.On described water turbine pipeline, water turbine is arranged, water turbine contains cylindrical case, and cylindrical case is closed shape, and all there is through hole its central position, two ends, and rotating shaft is arranged in through hole, vertically perpendicular with the water turbine pipeline of rotating shaft.That section rotating shaft periphery in cylindrical case is evenly equipped with blade radially, all is connected by support between blade and rotating shaft.Described blade is formed by connecting by a multi-disc watt shape plate, and the corresponding straight flange of adjacent two watts of shape plates links together.Described cylindrical case downside is processed with the opening that connects its length, on water turbine pipeline upper wall, opening is arranged, be between the opening surrounding of cylindrical case and the opening surrounding of water turbine pipeline and be sealedly and fixedly connected, make the blade pass of water turbine cross this opening and stretch in the water turbine pipeline.On the sidewall of described casing, through hole is arranged, an end of rotating shaft stretches in casing from this through hole, and is connected by gearbox between rotating shaft and generator input shaft.
The further improvement of the present invention scheme is that described conflux pipeline, water turbine pipeline and wake flow pipeline have two covers, and they are on the suspension cabin that symmetry shape is arranged in casing both sides.The quantity of described generator is two, is by gearbox between the water turbine rotating shaft on they and water turbine pipeline to connect one to one.The symmetric design of two cover conflux pipelines, water turbine pipeline and wake flow pipeline makes longitudinally center line bilateral symmetry of whole system, and system weight distributes comparatively even, is difficult for run-off the straight or rollover.
The further improvement of the present invention scheme is that the outside in described suspension cabin is fixed with capstan winch, is wound with cable on capstan winch, and cable one end is connected on capstan winch, and the other end is connected with anchor.Utilize cable that anchor is put into the seabed, make it catch on sea bed, can make this power generation system be relatively-stationary both fixed positions that swims in, utilize impact that floating buffer function reduces seawater and wind-force to the damage that system causes, increase its working life.
The further improvement of the present invention scheme is that the top of the corresponding water turbine pipeline in the described casing outside has hanging beam, and an end of hanging beam is fixed on casing, and the other end is connected with described suspension cabin by beam column.Utilizing hanging beam to be connected with beam column increases the connection of system rigidity, and when alleviating the ocean current impact system, the stress between casing and joint, suspension cabin, water turbine rotating shaft and casing through hole is concentrated, and makes the structure stability of system stronger.
The further improvement of the present invention scheme is that the top board of described casing has opening, and cover plate is arranged on opening.Can enter into casing by opening and cover plate, the equipment in casing is maintained operation, thereby reduce the danger of underwater operation.
The further improvement of the present invention scheme is that the lower edge of lower edge, wake flow pipeline wake flow outlet of described conflux pipeline ocean current entrance is not all higher than the bottom surface in suspension cabin.Like this, can minimizing system when head-on meeting with ocean current, the lifting surface area that is knocked makes ocean current almost completely flow in the conflux pipeline, has further improved Systems balanth, increases its working life.
The ocean current entry end that further improvement project of the present invention is described conflux pipeline has filter screen.Can tackle marine organisms or other material enters in the pipeline of system by this filter screen, thereby avoid obstruction or the damage of water turbine pipeline, when not affecting marine ecosystems, increase the working life of system.
Take such scheme, have the following advantages:
Because semi-submersible type ocean current power generation system of the present invention adopts bucket-shaped conflux pipeline, and the bore of conflux pipeline ocean current entry end is greater than the other end, therefore, after ocean current enters the conflux pipeline, its flow section constantly dwindles, the potential energy converting and energy that the huge static pressure of ocean current self that namely utilizes funnelling will enter this pipeline has becomes the kinetic energy of ocean current, thereby increases the flow velocity of ocean current, has promoted greatly the specific power of ocean current kinetic energy.If the cross sectional area of ocean current ingress is 10 times of conflux pipeline and water turbine pipeline connecting end cross sectional area, ocean current is in flow process so, its flowing velocity will increase to original 10 times, because specific power is directly proportional to the cube of speed, be that specific power increases to original 1000 times, in the situation that one of area reducing to 1/10, total output increases to 100 times of ocean current ingress, thereby greatly improved system's generated energy, it can satisfy powerful designing requirement.In addition, the suspension freight space that main buoyancy is provided is in the below of whole system, under the use state, it can submerge in seawater fully, and only expose the less roof box of area on the sea, thereby can reduce the ocean current of wind-force and sea high flow rate to the impact of system, be difficult for occuring drift and tilt, have better stability.And this system utilizes the suspension cabin of below to adjust draft, when needing, more than pipeline, water turbine and casing can being increased to the sea fully, thereby can reduce the seawater resistance that bears when system moves, has flexibility preferably.
Description of drawings
Fig. 1 is semi-submersible type ocean current power generation system structural representation of the present invention;
Fig. 2 is the local enlarged diagram of circle part in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details:
As depicted in figs. 1 and 2, semi-submersible type ocean current power generation system of the present invention comprises casing 1, be provided with power transmission and transformation device 2, gearbox 7 and generator 6 in casing 1, in the present embodiment, gearbox 7 and generator 6 have two covers, the Out let of generator 6 all is connected with power transmission and transformation device 2 by cable, and the input shaft of generator 6 all is connected with the output shaft of corresponding gearbox 7.On the top board of described casing 1, opening is arranged, cover plate 3 is arranged on opening, the operating personnel can enter the interior operation of casing 1 by opening.Described casing 1 below is connected with suspension cabin 8, and the plane projection area in suspension cabin 8 is greater than the plane projection area of casing 1.Conflux pipeline 9, water turbine pipeline 11 and wake flow pipeline 15 that horizontal arrangement is arranged on the suspension cabin 8 of described casing 1 side, conflux pipeline 9 and wake flow pipeline 15 are bucket-shaped, the end that their bores are less is connected with the two ends of water turbine pipeline 11 respectively, the end that conflux pipeline 9 bores are larger is the ocean current entrance, and the end that wake flow pipeline 15 bores are larger is the wake flow outlet.On described water turbine pipeline 11, water turbine is arranged, water turbine contains cylindrical case 12, and cylindrical case 12 is closed shape, and all there is through hole its central position, two ends, and rotating shaft 18 is arranged in through hole, and rotating shaft 18 is vertically perpendicular with water turbine pipeline 11.That section rotating shaft 18 peripheries in cylindrical case 12 are evenly equipped with blade 17 radially, and blade 17 all is connected by support 16 with 18 of rotating shafts.Described blade 17 is formed by connecting by a multi-disc watt shape plate, and the corresponding straight flange of adjacent two watts of shape plates links together.Described cylindrical case 12 downsides are processed with the opening that connects its length, on water turbine pipeline 11 upper walls, opening is arranged, be between the opening surrounding of cylindrical case 12 and the opening surrounding of water turbine pipeline 11 and be sealedly and fixedly connected, make the blade 17 of water turbine stretch in water turbine pipeline 11 by this opening.In the present embodiment, be furnished with respectively one group of conflux pipeline 9, water turbine pipeline 11 and 15, two groups of pipeline of wake flow pipeline that are connected successively in casing 1 both sides and be side by side symmetry shape and arrange, and all be connected with water turbine on water turbine pipeline 11.On the sidewall of described casing 1 both sides, through hole is arranged all, the rotating shaft 18 of two water turbine is corresponding layout one by one with the position of two through holes, and an end of rotating shaft 18 stretches in casing 1 from the through hole of correspondence respectively, and is between the input shaft of this end of two rotating shafts 18 and interior two gearboxes 7 of casing 1 and connects one to one.The structure of whole system is symmetrical with its vertical center line, can reduction system tilt and the probability of rollover, increase stability.
The damage that system is caused for the impact that reduces seawater and wind-force, increase its working life, and make it be in all the time setting regions, 8 edge, upper surface both sides all is fixed with capstan winch 14 to the present embodiment in described suspension cabin, be wound with cable on capstan winch 14, cable one end is connected on capstan winch 14, and the other end is connected with anchor 13, utilize cable that anchor 13 is put into the seabed and catch on sea bed, can make this power generation system swim in both fixed positions.
In order to increase the structure stability of this system, stress when reducing the ocean current impact between casing 1 and 8 joints, suspension cabin, water turbine rotating shaft 18 and casing 1 through hole is concentrated, the present embodiment is equipped with hanging beam 4 above the corresponding water turbine pipeline 11 in casing 1 both sides, one end of hanging beam 4 all is fixed on the outer wall of casing 1, and the other end all is connected with suspension cabin 8 by beam column 5.
Due to ocean current when flowing through power generation system, can produce very large impact force to system, in order to reduce the lifting surface area of system's fluoran stream surface, the lower edge of the lower edge of conflux pipeline 9 ocean current entrances in the present embodiment, the 15 wake flows outlets of wake flow pipeline is not all higher than the bottom surface in suspension cabin 8, and two vertical edges that the ocean current entrance of two groups of pipelines is adjacent link together, and make oncoming ocean current almost completely flow in two conflux pipelines 9.Simultaneously, in order not affect the buoyancy in suspension cabin 8, for system provides enough supports, be designed to 8 vertical longitudinal sections, suspension cabin trapezoidal in the present embodiment, and the base plane that makes water turbine pipeline 11 is fitted in the upper surface in suspension cabin 8 fully, two inclined-planes in the inclined-plane, bottom of conflux pipeline 9, wake flow pipeline 15 and suspension cabin 8 fit together respectively, can reduce like this gap of system joint, improve the supportive of the 8 pairs of integrated pipings in suspension cabin.
In addition, in wide ocean, exist a large amount of marine organisms or other material, these biologies and material are maintaining whole marine ecosystems, if and when semi-submersible type ocean current power generation system of the present invention is placed in seawater and carries out ocean current power generation, these biologies and other material are easy to when may impacting marine ecosystems, also easily cause obstruction or the damage of water turbine pipeline 11 along with ocean current enters in the pipeline of system.Therefore, the present embodiment also is provided with filter screen 10 at the ocean current entry end of conflux pipeline 9, can tackle most marine organisms or other material by this filter screen 10, avoids them to enter in pipeline.
During use; utilize towboat semi-submersible type ocean current power generation system of the present invention to be moved to the marine site that is fit to generating, utilize anchor 13 to be fixed on sea base, ocean current enters from the ocean current ingress of conflux pipeline 9; filter through filter screen 10, the marine organisms such as fish are blocked in outside pipeline.Afterwards, ocean current is affected by the conflux pipeline 9 that bore constantly dwindles, and flow velocity is more and more faster, namely utilizes funnelling with the kinetic energy of static pressure potential energy converting and energy for flowing of ocean current.Then, ocean current at a high speed is when flowing through water turbine pipeline 11, directly impact on turbine blade 17 and to its acting, driving rotating shaft 18 rotates, drive generators 6 generatings by rotating shaft 18 by gearbox 7 again, generate electricity and can send into bank base national grid by submarine cable after the defeated height device 2 in casing 1.The wake flow of acting is finally discharged through wake flow pipeline 15, and the wake flow pipeline 15 that bore enlarges gradually makes follow-up wake flow be more prone to discharge.During application, can adjust the draft in suspension cabin 8 by air compressor, system can fully do not carried out ocean current power generation in entry, system can be bubbled through the water column fully, conveniently drag.
Claims (7)
1. the semi-submersible type ocean current power generation system, is characterized in that comprising casing (1), is provided with power transmission and transformation device (2) and generator (6) in casing (1), and the Out let of generator (6) is connected with power transmission and transformation device (2) by cable; Described casing (1) below is connected with suspension cabin (8), and the plane projection area in suspension cabin (8) is greater than the plane projection area of casing (1); Conflux pipeline (9), water turbine pipeline (11) and wake flow pipeline (15) that horizontal arrangement is arranged on the suspension cabin (8) of described casing (1) side, conflux pipeline (9) and wake flow pipeline (15) are bucket-shaped, the end that their bores are less is connected with the two ends of water turbine pipeline (11) respectively, the end that conflux pipeline (9) bore is larger is the ocean current entrance, and the end that wake flow pipeline (15) bore is larger is the wake flow outlet; On described water turbine pipeline (11), water turbine is arranged, water turbine contains cylindrical case (12), and cylindrical case (12) is closed shape, and all there is through hole its central position, two ends, rotating shaft (18) is arranged in through hole, and rotating shaft (18) is vertically perpendicular with water turbine pipeline (11); That section rotating shaft (18) periphery in cylindrical case (12) is evenly equipped with blade (17) radially, all is connected by support (16) between blade (17) and rotating shaft (18); Described blade (17) is formed by connecting by a multi-disc watt shape plate, and the corresponding straight flange of adjacent two watts of shape plates links together; Described cylindrical case (12) downside is processed with the opening that connects its length, on water turbine pipeline (11) upper wall, opening is arranged, be between the opening surrounding of the opening surrounding of cylindrical case (12) and water turbine pipeline (11) and be sealedly and fixedly connected, make the blade (17) of water turbine stretch in water turbine pipeline (11) by this opening; On the sidewall of described casing (1), through hole is arranged, an end of rotating shaft (18) stretches in casing (1) from this through hole, and is connected by gearbox (7) between rotating shaft (18) and generator (6) input shaft.
2. semi-submersible type ocean current power generation system as claimed in claim 1, is characterized in that described conflux pipeline (9), water turbine pipeline (11) and wake flow pipeline (15) have two covers, and they are on the suspension cabin (8) that symmetry shape is arranged in casing (1) both sides; The quantity of described generator (6) is two, is by gearbox (7) between the water turbine rotating shaft (18) on they and water turbine pipeline (11) to connect one to one.
3. semi-submersible type ocean current power generation system as claimed in claim 1, is characterized in that the outside in described suspension cabin (8) is fixed with capstan winch (14), and capstan winch is wound with cable on (14), and cable one end is connected on capstan winch (14), and the other end is connected with anchor (13).
4. semi-submersible type ocean current power generation system as claimed in claim 1, there is hanging beam (4) top that it is characterized in that described casing (1) the corresponding water turbine pipeline in the outside (11), one end of hanging beam (4) is fixed on casing (1), and the other end is connected with described suspension cabin (8) by beam column (5).
5. semi-submersible type ocean current power generation system as claimed in claim 1, is characterized in that the top board of described casing (1) has opening, and cover plate (3) is arranged on opening.
6. semi-submersible type ocean current power generation system as claimed in claim 1 is characterized in that the lower edge of lower edge, the outlet of wake flow pipeline (15) wake flow of described conflux pipeline (9) ocean current entrance is not all higher than the bottom surface in suspension cabin ().
7. semi-submersible type ocean current power generation system as described in any one in claim 1 ~ 6, is characterized in that the ocean current entry end of described conflux pipeline (9) has filter screen (10).
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| CN2013100831123A CN103114962A (en) | 2013-03-15 | 2013-03-15 | Semi-submersible type ocean current power generation system |
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| CN104948379A (en) * | 2015-05-27 | 2015-09-30 | 上海海洋大学 | Wave flow coupling power generation device |
| CN106460779A (en) * | 2014-05-13 | 2017-02-22 | 申东琏 | Floating body for tidal current power generation and power generation method using same |
| CN106438162A (en) * | 2016-10-10 | 2017-02-22 | 贵州电网有限责任公司电力科学研究院 | Flow passage component safety protection device for small hydropower station |
| CN108150337A (en) * | 2017-12-30 | 2018-06-12 | 长沙紫宸科技开发有限公司 | A kind of scalable charge for remittance generating equipment suitable for streams river |
| CN108757284A (en) * | 2018-05-30 | 2018-11-06 | 台州鼎拓工业设计有限公司 | A kind of novel utility companies monolithic wheel type electricity generating apparatus |
| CN112502890A (en) * | 2020-11-23 | 2021-03-16 | 太仓治誓机械设备科技有限公司 | Ocean current and ocean energy power generation equipment |
| CN114033598A (en) * | 2021-11-02 | 2022-02-11 | 田东利 | Water flow utilization power generation equipment based on carbon neutralization power application |
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| CN106438162A (en) * | 2016-10-10 | 2017-02-22 | 贵州电网有限责任公司电力科学研究院 | Flow passage component safety protection device for small hydropower station |
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| CN108757284A (en) * | 2018-05-30 | 2018-11-06 | 台州鼎拓工业设计有限公司 | A kind of novel utility companies monolithic wheel type electricity generating apparatus |
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| CN114033598A (en) * | 2021-11-02 | 2022-02-11 | 田东利 | Water flow utilization power generation equipment based on carbon neutralization power application |
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Application publication date: 20130522 |