CN103557111B - A kind of ocean current generation flotation device - Google Patents

A kind of ocean current generation flotation device Download PDF

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Publication number
CN103557111B
CN103557111B CN201310534549.4A CN201310534549A CN103557111B CN 103557111 B CN103557111 B CN 103557111B CN 201310534549 A CN201310534549 A CN 201310534549A CN 103557111 B CN103557111 B CN 103557111B
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locating column
ocean current
platform
current generation
flotation device
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CN103557111A (en
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林勇刚
谢卓君
刘宏伟
李伟
石茂顺
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/30Energy from the sea, e.g. using wave energy or salinity gradient

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Abstract

The present invention relates to a kind of ocean current generation flotation device, ocean current generation flotation device comprises tuning post, platform and at least three cover positioning devices, and power generation device from sea current is fixed on the bottom of tuning post, and tuning post can along the circumferential direction do circumference rotary motion.Positioning device comprises locating column, clamp device and water plug, and the inside of locating column is the reservoir of hollow, and the top of locating column is provided with water injection hole, and water injection hole is connected with the water plug be arranged on platform by pipeline.Locating column runs through clamp device and platform successively, and locating column in axial direction can do straight line motion.The horizontal operation state of this ocean current generation flotation device by regulating locating column displacement in axial direction to regulate power generation device from sea current, locating column is linked by anchor chain and anchor pier, and power generation device from sea current can be made to have stable working environment.By adjustment tuning post, the fluoran stream surface of the impeller of power generation device from sea current and seawater are flowed to perpendicular simultaneously, improve ocean current energy utilization rate.

Description

A kind of ocean current generation flotation device
Technical field
The invention belongs to field of new energy utilization, be specifically related to a kind of ocean current generation flotation device.
Background technique
Current power generation technology is a kind of similar new energy use technology with wind generating technology, uses power generation device from sea current catch energy by ocean current and be converted into electric energy, for user provides electric power resource.When using power generation device from sea current, need to be arranged in briny environment, this just relates to the mounting type problem of power generation device from sea current in ocean, the stability that the design relation of mounting type runs to whole power generation device from sea current, reliability and Security.
Different according to the mounting type of power generation device from sea current, power generation device from sea current can be divided into fixed and floating type two kinds of forms.
Existing fixed power generation device from sea current needs to be fixed and installs on a foundation at the seabed, by seafloor foundation, power generation device from sea current is securely fixed in seabed, makes power generation device from sea current relative movement can not occur.When unfavorable change occurs the energy by ocean current resources supplIes in marine site residing for power generation device from sea current, easily power generation device from sea current can not be moved to the exploitation that energy by ocean current resource is carried out in suitable marine site again.Meanwhile, when adopting fixed prop carrier, submarine geological environment residing when needing to consider power generation device from sea current work, selects to build suitable seafloor foundation according to different submarine geological environments, as gravity foundation, single-pile foundation and tripod basis etc.The use of seafloor foundation and its design-build complexity considerably increase the cost developing energy by ocean current, also can permanently change seabed ocean environment and cause adverse effect to it.
Existing floating type power generation device from sea current is arranged in ocean current generation flotation device, during work, ocean current generation flotation device is across the sea floating, power generation device from sea current catches the impeller wheel portion submergence of energy by ocean current in the seawater, and ocean current generation flotation device is positioned at the anchor pier in seabed by links such as anchor chains.Fix although floating type power generation device from sea current does not need seafloor foundation to carry out installation, ocean current generation flotation device always can be flowing in floating movement in certain limit marine site along with seawater, have impact on the navigation within the scope of this marine site and other ocean operations.In the process of ocean current generation flotation device along with the floating movement of seawater, be difficult to the horizontal operation state keeping power generation device from sea current, impeller fluoran stream surface can not be flowed to the operating angle of the best and seawater and match, reduce energy by ocean current energy utilization rate.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of ocean current generation flotation device, this ocean current generation flotation device can be across the sea floating together with power generation device from sea current mounted thereto, different submarine topography is adapted to by regulating the straight-line displacement of locating column, simultaneously platform can be regulated to be horizontal and the fluoran stream surface of the impeller of power generation device from sea current is perpendicular with marine stream direction, raising energy utilization rate.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of ocean current generation flotation device, the bottom of described ocean current generation flotation device is mounted with power generation device from sea current, described ocean current generation flotation device comprises tuning post, platform and at least three cover positioning devices, described power generation device from sea current is fixed on the bottom of described tuning post, and described tuning post can along the circumferential direction do circumference rotary motion.
Described positioning device comprises locating column, clamp device and water plug, and the inside of described locating column is the reservoir of hollow, and the top of described locating column is provided with water injection hole, and described reservoir is by described water injection hole and ft connection.Described water injection hole is connected with the described water plug installed on the platform by pipeline.Described clamp device is fixed on the upper surface of described platform, and described locating column runs through described clamp device and platform successively, and described locating column in axial direction can do straight line motion.
Further, described locating column is provided with sleeve, and described sleeve and described locating column are integral type structure.The outer surface of described sleeve is provided with several external tooths in the axial direction, and the inside of described platform is provided with the gear controlling mechanism matched with the external tooth of described sleeve, and described gear controlling mechanism can regulate the displacement amount of described locating column in axial direction movement.
Further, described platform interior is provided with adjusted device, the angular displacement that described adjusted device can regulate described tuning post along the circumferential direction to move in a circle.
Further, described clamp device comprises ring set and tightening mechanism, and described tightening mechanism can regulate the dynamics of described ring set clamping and positioning post.
Further, described locating column is cylindrical structure, and the bottom of described locating column is provided with gear platform, bottom is provided with cone point.
Further, described tuning post is provided with angular displacement sensor, described clamp device is provided with torque transducer, described gear controlling mechanism is provided with angular displacement sensor.
Further, described tightening mechanism is ball screw arrangement.
Further, described platform is rectangular structure, and the tricks of described positioning device is four covers, and the described positioning device of four covers is symmetrically distributed in four corners of described platform.
The present invention is adopted to have following beneficial effect:
1, before locating column and anchor pier are linked by anchor chain, power generation device from sea current can be moved to suitable energy by ocean current exploitation marine site by ocean current generation flotation device of the present invention easily.
2, by positioning device, power generation device from sea current is being positioned in the process in a certain marine site, ocean current generation flotation device of the present invention is by regulating the straight line motion displacement amount in axial direction of locating column, regulate platform to make it be horizontal, ensure that the fluoran stream surface of the impeller of power generation device from sea current and horizontal plane perpendicular.
3, after locating column and anchor pier being linked by anchor chain, locating column and anchor pier can ensure that power generation device from sea current does not all have larger displacement with substantially horizontal in the vertical direction simultaneously, and the displacement amount of locating column can be regulated to adapt to different submarine topography.
4, regulated the angle of circumference displacement of tuning post by adjusted device, the fluoran stream surface of the impeller of power generation device from sea current and marine stream direction can be made perpendicular, raising energy by ocean current energy utilization rate.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the structural representation of a kind of ocean current generation flotation device of the embodiment of the present invention;
Fig. 2 is the plan structure schematic diagram of a kind of ocean current generation flotation device of the embodiment of the present invention;
Fig. 3 is the location initial stage schematic diagram of a kind of ocean current generation flotation device of the embodiment of the present invention;
Fig. 4 is the location interstage schematic diagram of a kind of ocean current generation flotation device of the embodiment of the present invention;
Fig. 5 is the location ending phase schematic diagram of a kind of ocean current generation flotation device of the embodiment of the present invention.
Embodiment
See figures.1.and.2.A kind of ocean current generation flotation device, comprise tuning post 2, platform 3 and four cover positioning devices, described platform 3 is rectangular structure, and the described positioning device of four covers is symmetrically distributed in four corners of described platform 3.Described tuning post 2 is positioned at the central position of described platform 3, and the bottom of described tuning post 2 is mounted with power generation device from sea current 1, described tuning post 2 together with described power generation device from sea current 1 can centered by axis line, along the circumferential direction do circumference rotary motion.
Described positioning device comprises locating column 4, clamp device 5 and water plug 6, described clamp device 5 and described water plug 6 are arranged on the upper surface of described platform 3, described locating column 4 runs through described clamp device 5 and described platform 3 successively, and described locating column 4 in axial direction can do straight line motion.
Described clamp device 5 comprises ring set 51 and tightening mechanism 52, and described clamp device 5 is provided with torque transducer, the moment values that described tightening mechanism 52 detects according to described torque transducer, regulates the dynamics of described ring set 51 clamping and positioning post 4.In described positioning device position fixing process, described ring set 51 unclamps by described tightening mechanism 52, and described locating column 4 can be moved freely in the axial direction; After described positioning device location, described ring set 51 tightens by described tightening mechanism 52, makes described ring set 51 clamp described locating column 4 and be fixed.
The inside of described locating column 4 is the reservoir of hollow, and the top of described locating column 4 is provided with water injection hole 71, and described reservoir is connected with outside by described water injection hole 71.Described water injection hole is connected with the described water plug 6 be arranged on described platform 3 by pipeline 7, and seawater can be injected the reservoir of described locating column 4 from external environment condition or seawater is drawn to external environment condition from the reservoir of described locating column 4 after starting by described water plug 6.The effect of described reservoir is adopted to be, before described ocean current generation flotation device location, not yet inject seawater in described reservoir, increase the buoyancy of described ocean current generation flotation device self; Inject seawater in described reservoir after, make described locating column 4 can drop to seabed under the Action of Gravity Field of self.
Described locating column 4 is provided with sleeve 8, and described sleeve 8 can be integral type structure with described locating column 4; Described sleeve 8 and described locating column 4 also can be split-type structural, and described sleeve 8 and described locating column 4 means such as pass through to weld and be fixed together.The outer surface of described sleeve 8 can be provided with several external tooths in the axial direction, and the inside of described platform 3 is provided with the gear controlling mechanism matched with the external tooth of described sleeve 8; Described gear controlling mechanism is provided with angular displacement sensor, the value of angular displacement that described gear controlling mechanism detects according to angular displacement sensor, regulates the displacement amount of described locating column 4 in axial direction movement.The outer surface of described sleeve 8 also can be smooth surface, and now, the movement in axial direction of described locating column 4 needs to be realized by manual work.
Described locating column 4 can be processed into cylindrical structure or rectangular structure, and the bottom of described locating column 4 is provided with gear platform 41, bottom is provided with cone point 42.Described gear platform 41 plays position-limiting action in the mobile process done on described locating column 4 performs, and after moving release, described locating column 4 is limited in certain concrete position on described locating column 4 performs.The effect of described cone point 42 is, after described locating column 4 drops to seabed, is convenient to described locating column 4 and is positioned on seabed by cone point 42.
Described platform 3 is provided with adjusted device, and described tuning post 2 is provided with angular displacement sensor.The current value of angular displacement that described adjusted device detects according to described angular displacement sensor, regulates described tuning post 2 along the circumferential direction to do the angular displacement of circumference rotary motion.Described adjusted device regulates described tuning post 2 to be that the fluoran stream surface of described power generation device from sea current is adjusted to the direction vertical with marine stream direction along the effect of own axes azimuthal rotational motion, improves energy by ocean current energy utilization rate.
With reference to Fig. 3 to Fig. 5.The position fixing process of ocean current generation flotation device of the present invention is specifically described below:
1) initial stage is located
After ocean current generation flotation device being drawn to target marine site, ring set 51 unclamps by the tightening mechanism 52 of described clamp device 5, and ring set 51 discharges locating column 4, and described locating column 4 declines a segment distance under self gravitation effect.Now, the cone point 42 of described locating column 4 not yet touches seabed.
2) interstage is located
Seawater is injected the reservoir of locating column 4 inside by described water plug 6 by water injection hole 71, the seawater injecting reservoir has increased the weight of the weight of locating column 4, makes locating column 4 continue to decline until the cone point 42 of described locating column 4 touches seabed.
When the cone point 42 of four locating columns 4 can not touch seabed simultaneously, or the centre-of gravity shift of ocean current generation flotation device and power generation device from sea current entirety, ocean current generation flotation device all can be made to produce.
3) ending phase is located
In this stage, the mode of manual tune can be adopted, adjust the displacement amount that each described locating column 4 moves down, ensure that ocean current generation flotation device keeps level.The gear controlling mechanism that the inside of platform 3 also can be adopted to be provided with, adjusts the displacement amount that each described locating column 4 moves down, can ensure the level of ocean current generation flotation device equally.After ocean current generation flotation device adjustment level, the tightening mechanism 52 of described clamp device 5, by ring set 51 clamping and positioning post 4, makes locating column 4 no longer in axial direction be subjected to displacement; Then the anchor chain 91 on locating column 4 is fixed on the anchor pier 92 in seabed, completes the position fixing process of ocean current generation flotation device.
When need by running order move to other marine sites time, perform following workflow: anchor chain 91 and anchor pier 92 are unclamped; Use water plug 6 that the seawater in the reservoir of locating column 4 inside is drawn to external environment condition; Manual type or gear controlling mechanism is adopted to move to original state by locating column 4; Finally, ocean current generation flotation device is migrated to other marine sites.
For different submarine topography conditions, all can, by the axial direction straight-line displacement amount of each described locating column 4 of adjustment, ocean current generation flotation device be made to ensure level.Simultaneously, catch in the process of energy by ocean current at power generation device from sea current 1, according to the change that seawater flows to, adjust the angle of circumference displacement amount of described tuning post 2, the fluoran stream surface of the impeller of power generation device from sea current 1 is made to flow to vertical with seawater, impeller catches energy by ocean current with maximum energetic coefficient, improves energy utilization rate.
First, ocean current generation flotation device of the present invention, insert in ocean bottom soil at the cone point 42 of locating column 4, after anchor chain 91 is linked on anchor pier 92, just can ensure that power generation device from sea current 1 all larger displacement can not occur in vertical and horizontal both direction, be conducive to power generation device from sea current 1 and have stable working state.Secondly, ocean current generation flotation device of the present invention, after being untied from anchor pier 92 by anchor chain 91, regaining locating column 4, just can be drawn to other target marine sites by power generation device from sea current 1 easily.This just makes ocean current generation flotation device of the present invention, and the stable environment characteristics and the existing floating type power generation device from sea current that have existing fixed power generation device from sea current are convenient to the mobile feature being drawn to the suitable marine site selected according to energy by ocean current resource situation simultaneously.

Claims (8)

1. an ocean current generation flotation device, the bottom of described ocean current generation flotation device is mounted with power generation device from sea current (1), described ocean current generation flotation device comprises platform (3) and at least three cover positioning devices, it is characterized in that: described ocean current generation flotation device also comprises tuning post (2), described power generation device from sea current (1) is fixed on the bottom of described tuning post (2), and described tuning post (2) can along the circumferential direction do circumference rotary motion;
Described positioning device comprises locating column (4), clamp device (5) and water plug (6), the inside of described locating column (4) is the reservoir of hollow, the top of described locating column (4) is provided with water injection hole, and described reservoir is by described water injection hole (71) and ft connection; Described water injection hole (71) is connected with the described water plug (6) be arranged on described platform (3) by pipeline (7); Described clamp device (5) is fixed on the upper surface of described platform (3), described locating column (4) runs through described clamp device (5) and platform (3) successively, and described locating column (4) in axial direction can do straight line motion.
2. according to a kind of ocean current generation flotation device according to claim 1, it is characterized in that: described locating column (4) is provided with sleeve (8), described sleeve (8) and described locating column (4) are integral type structure; The outer surface of described sleeve (8) is provided with several external tooths in the axial direction, the inside of described platform (3) is provided with the gear controlling mechanism matched with the external tooth of described sleeve (8), and described gear controlling mechanism can regulate the displacement amount of described locating column (4) in axial direction movement.
3. according to a kind of ocean current generation flotation device according to claim 2, it is characterized in that: described platform (3) inside is provided with adjusted device, the angular displacement that described adjusted device can regulate described tuning post (2) along the circumferential direction to move in a circle.
4. according to a kind of ocean current generation flotation device described in Claims 2 or 3, it is characterized in that: described clamp device (5) comprises ring set (51) and tightening mechanism (52), and described tightening mechanism (52) can regulate the dynamics of described ring set (51) clamping and positioning post (4).
5. according to a kind of ocean current generation flotation device according to claim 4, it is characterized in that: described locating column (4) is cylindrical structure, the bottom of described locating column (4) is provided with gear platform (41), bottom is provided with cone point (42).
6. according to a kind of ocean current generation flotation device according to claim 5, it is characterized in that: on described tuning post (2), be provided with angular displacement sensor, described clamp device (5) is provided with torque transducer, described gear controlling mechanism is provided with angular displacement sensor.
7. according to a kind of ocean current generation flotation device described in claim 5 or 6, it is characterized in that: described tightening mechanism (52) is ball screw arrangement.
8. according to a kind of ocean current generation flotation device according to claim 7, it is characterized in that: described platform (3) is rectangular structure, the tricks of described positioning device is four covers, and the described positioning device of four covers is symmetrically distributed in four corners of described platform (3).
CN201310534549.4A 2013-10-31 2013-10-31 A kind of ocean current generation flotation device Active CN103557111B (en)

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CN108412666B (en) * 2018-01-25 2020-06-02 浙江海洋大学 Seawater density energy searching device

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