CN207111296U - A kind of Ocean Tidal Current Energy electricity generation system - Google Patents
A kind of Ocean Tidal Current Energy electricity generation system Download PDFInfo
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- CN207111296U CN207111296U CN201720856398.8U CN201720856398U CN207111296U CN 207111296 U CN207111296 U CN 207111296U CN 201720856398 U CN201720856398 U CN 201720856398U CN 207111296 U CN207111296 U CN 207111296U
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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 utility model discloses a kind of Ocean Tidal Current Energy electricity generation system, including supporting mechanism, energy by ocean current generating set and signal monitoring mechanism；Supporting mechanism includes foundation pile, horizontal support bar and workbench；Energy by ocean current generating set includes underwater component and component waterborne, underwater component includes blade, wheel hub, main shaft, gear-box, shaft coupling, generator, deck store and the Yawing mechanism being sequentially connected, blade pitch device is provided with wheel hub, Yawing mechanism is arranged between shaft coupling and horizontal support bar；Component waterborne includes current transformer and switch board, and current transformer and switch board are arranged on workbench；Signal monitoring mechanism includes the current meter being connected with switch board, and current meter is arranged on horizontal support bar, for monitoring the current direction of energy by ocean current in real time.The utility model uses fixed Ocean Tidal Current Energy electricity generation system, and is half direct drive wind power unit, and energy by ocean current is efficiently converted into electric energy by the safe and reliable realization of energy.
Description
Technical field
Power generation with marine energy technical field is the utility model is related to, more particularly to a kind of fixed half direct-driving type sea tide
Can electricity generation system.
Background technology
Ocean Tidal Current Energy is the tidewater kinetic energy contained in horizontal movement, also known as energy by ocean current.Ocean current is seawater in ocean
The different water body of the density that is formed by heat radiation, evaporation, precipitation, shrinkage etc., along with wind-stress, geostrophic deviating force, draws tide
The flowing for the relatively constant speed that power etc. is acted on and occurred.Ocean Tidal Current Energy electricity generation system is to utilize the dynamic of ocean current horizontal movement
Can, by links such as energy capture, energy conversion, energy transmission, produce and electric energy is provided.
China possesses abundant Ocean Tidal Current Energy resource, researches and develops the Ocean Tidal Current Energy electricity generation system of high efficient and reliable,
Huge impetus will be played by implementing Development Strategy of Renewable Energy Resources for China.At present, China's Ocean Tidal Current Energy, which generates electricity, is
System still has many aspects for technically and in electricity generation system master-plan being badly in need of breaking through also in conceptual phase.
As can be seen here, also there is many defects in existing Ocean Tidal Current Energy electricity generation system, and urgently be further improved.
How a kind of new fixed half direct-driving type Ocean Tidal Current Energy electricity generation system, real category current important research and development problem one of are founded.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of Ocean Tidal Current Energy electricity generation system, make it is simple, reliable,
Securely achieve and generated electricity using Ocean Tidal Current Energy, so as to overcome the shortcomings of existing Ocean Tidal Current Energy electricity generation system.
In order to solve the above technical problems, a kind of Ocean Tidal Current Energy electricity generation system of the utility model offer, including supporting mechanism,
Energy by ocean current generating set and signal monitoring mechanism；
The supporting mechanism includes foundation pile, horizontal support bar and workbench, and the foundation pile is perpendicularly fixed at seabed,
The water surface that the horizontal support bar is vertically fixed on the foundation pile is vertically fixed on the base with lower part, the workbench
The water surface above section of plinth stake；
The energy by ocean current generating set includes underwater component and component waterborne, and the underwater component includes the leaf being sequentially connected
Piece, wheel hub, main shaft, gear-box, shaft coupling, generator, deck store and Yawing mechanism, blade pitch device is provided with the wheel hub, it is described
Yawing mechanism is arranged between the shaft coupling and horizontal support bar, for driving the underwater component relative to horizontal support bar
Yaw rotation, the underwater component are directly immersed in seawater；
The component waterborne includes the current transformer being connected by extra large cable with the generator, and passes through extra large cable and the driftage
The switch board that mechanism, blade pitch device, gear-box, generator, shaft coupling and deck store connect, the current transformer and switch board are respectively provided with
On the workbench；
The signal monitoring mechanism includes the current meter being connected with the switch board, and the current meter is arranged on the level
On support bar, for monitoring the current direction change of energy by ocean current in real time.
As a kind of improvement of the present utility model, the Ocean Tidal Current Energy electricity generation system also includes underwater sealing mechanism, institute
State underwater sealing mechanism include be arranged between the blade and wheel hub, the rotatory sealing between the main shaft and gear-box, with
And it is arranged between the gear-box and shaft coupling, between the shaft coupling and generator, between the generator and deck store
Static seal.
Further improve, the Ocean Tidal Current Energy electricity generation system also includes hoisting mechanism, and the hoisting mechanism includes lifting
Device and Lifting Control System, the lifting device are arranged on around the foundation pile, and its underpart is consolidated with the horizontal support bar
Fixed connection, its top is flexibly connected with the workbench；The Lifting Control System is arranged on the workbench, is used for
Control the lifting device to be moved up and down along the foundation pile, and then drive the underwater component lifting of the energy by ocean current generating set
Motion.
Further improve, the Ocean Tidal Current Energy electricity generation system includes underwater group of two sets of energy by ocean current generating sets
Part, two sets of underwater components are symmetricly set on the both ends of the horizontal support bar, and two sets of underwater components are and institute
State component connection waterborne.
Further improve, the signal monitoring mechanism also includes change oar sensor, the gear-box being connected with the switch board
Sensor, generating transducer and deck store sensor, the change oar sensor are arranged on the hub interior, and the gear-box passes
Sensor and generating transducer are separately positioned in the gear-box and generator, and the deck store sensor is arranged on the deck store
It is internal.
Further improve, the underwater component axial centre is provided with hollow shaft, and the hollow shaft is used for through the control
The cable that cabinet is connected with blade pitch device.
Further improve, the deck store is additionally provided with the extra large cable pillar for protecting extra large cable, and the top of the extra large cable pillar is high
Go out sea level.
Further improve, the blade is twayblade or three blades.
Further improve, the gear-box uses two level or three-stage speed change gear structure.
Further improve, the generator uses magneto alternator.
After such design, the utility model at least has advantages below：
1st, the utility model uses fixed Ocean Tidal Current Energy electricity generation system, and is half direct drive wind power unit, pass through by
Energy by ocean current Wind turbines are divided into underwater component and component waterborne, and safe and reliable realization is generated electricity using energy by ocean current；Also pass through setting
Current meter, the current direction change of energy by ocean current can be monitored in real time, and yaw direction is adjusted according to the change in real time and becomes oar direction,
Efficiently ensure that energy by ocean current is converted into electric energy, and reduce the loss that electric energy generates electricity by way of merging two or more grid systems.
2nd, the utility model is by setting underwater rotatory sealing and static seal structure, and change oar sensor, gear-box to pass
Sensor, generating transducer and deck store sensor, can ensure generating set reliability of operation.
3rd, the utility model can improve the security and convenience of Wind turbines O＆M by setting hoisting mechanism.
4th, the utility model in deck store by setting extra large cable pillar, and the top of the extra large cable pillar is higher by into sea level, energy
Effectively prevent seawater from entering generating set, both extra large cable was played a protective role, prevents extra large cable from wrecking, and can is played as tooth
The effect of roller box respiratory siphon, ensure the balance of gearbox temperature and pressure.
The utility model realizes the master-plan of Ocean Tidal Current Energy electricity generation system and technical comprehensive, reliability and advanced
Property.
Brief description of the drawings
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand technology hand of the present utility model
Section, below in conjunction with accompanying drawing, the utility model is described in further detail with embodiment.
Fig. 1 is the general structure schematic diagram of the utility model Ocean Tidal Current Energy electricity generation system；
Fig. 2 is that the structure of half direct-driving type generating set in the utility model Ocean Tidal Current Energy electricity generation system is shown
It is intended to.
Embodiment
Referring to the drawings shown in 1 and 2, the present embodiment Ocean Tidal Current Energy electricity generation system, including supporting mechanism, hoisting mechanism, sea
Stream can generating set and signal monitoring mechanism.
The supporting mechanism includes foundation pile 3, horizontal support bar 4 and workbench 6.The foundation pile 3 is perpendicularly fixed at seabed,
Firmly squeeze into below sea bed, support whole Ocean Tidal Current Energy electricity generation system, ensure the safety of system.The horizontal support bar 4 hangs down
The water surface for being directly fixed on the foundation pile 3 is vertically fixed on the water surface above section of the foundation pile 3 with lower part, the workbench 6.
The energy by ocean current generating set includes underwater component and component waterborne, and the underwater component includes the blade being sequentially connected
21st, wheel hub 22, main shaft 23, gear-box 24, shaft coupling 25, generator 26, deck store 27 and Yawing mechanism 29.It is provided with the wheel hub 22
Blade pitch device 30, the Yawing mechanism 29 are arranged between the shaft coupling 25 and horizontal support bar 4, for driving the underwater component phase
For the yaw rotation of horizontal support bar 4 up to 180 °.
The blade 21 is twayblade in the present embodiment, can also use three blade constructions certainly.The gear-box 24 uses two level
Or three-stage speed change gear structure.The generator 26 uses magneto alternator.
The component waterborne includes the current transformer 8 being connected by extra large cable 7 with the generator 26, and passes through extra large cable 7 and the driftage
The switch board 9 that mechanism 29, blade pitch device 30, gear-box 24, shaft coupling 25, generator 26 and deck store 27 connect.The He of current transformer 8
Switch board 9 is arranged on the workbench 6, first, in order to easy to operate, second, electric elements are more, place under water if
Generation leakage consequence is serious, improves the security of the electricity generation system.
The Ocean Tidal Current Energy electricity generation system includes the underwater component of two sets of energy by ocean current generating sets, such as water in the present embodiment
Lower component 1 and underwater component 2, the symmetrical both ends for being arranged on the horizontal support bar 4 of two sets of underwater components, and two sets
The underwater component is connected with the component waterborne.So can keep level support bar 4 stress balance, and can avoids foundation pile
The generating efficiency of 3 interference and then influence generating set on ocean current, improves ocean current capture rate.
The hoisting mechanism includes lifting device 5 and Lifting Control System 10, and the lifting device 5 is arranged on the foundation pile 3 weeks
Enclose, its underpart is fixedly connected with the horizontal support bar 4, and its top is flexibly connected with the workbench 6；The Lifting Control System 10
It is arranged on the workbench 6, for controlling the lifting device 5 to be moved up and down along the foundation pile 3.So energy by ocean current generator
The underwater component normal condition of group is transferred to run in seawater and generated electricity, and can be proposed that sea level is repaired when needed, be facilitated the system
O＆M operation and lifting security.
The signal monitoring mechanism includes the current meter 11 being connected with the switch board 9, and the current meter 11 is arranged on level branch
On strut 4, for monitoring the current direction change of energy by ocean current in real time.Changed in trend flood tide, ebb tide direction, by current meter
The signal that 11 monitoring obtain, switch board 9 is transferred to by extra large cable 7, switch board 9 sends control instruction to Yawing mechanism 29, driftage
Mechanism 29 drives generating set to adapt to direction of tide and rotated；But flood tide, ebb tide are not being started to sometimes, current direction is also to send out
Raw small range change, the obtained signal is now monitored by current meter 11, switch board 9 send control instruction by extra large cable 7,
Central shaft 27 arrives blade pitch device 30, and blade pitch device 30 with movable vane piece 21 adjust in the range of 90 ° of blade pitch angle；Certainly,
Yawing mechanism 29 and blade pitch device 30 can according to circumstances be controlled while adjusted, ensure that generating set all the time along current direction, carries
High energy by ocean current utilization ratio.
The underwater component axial centre is provided with hollow shaft 31 in the present embodiment, and the hollow shaft 31 is used for through waterborne group of connection
The cable 7 of part and underwater component.The deck store 27 is additionally provided with the extra large cable pillar 28 for protecting extra large cable 7.The top of the extra large cable pillar 28
End to be higher by sea level, to prevent seawater from entering generating set, on the one hand extra large cable 7 is played a protective role, prevent extra large cable by
Destroy；On the other hand, play a part of the respiratory siphon of gear-box 24, ensure the balance of gearbox temperature and pressure.
The Ocean Tidal Current Energy electricity generation system also includes underwater sealing mechanism in the present embodiment, and the underwater sealing mechanism includes setting
Put the rotatory sealing 42 between the blade 21 and wheel hub 22, the rotatory sealing 41 being arranged between main shaft 23 and gear-box 24,
It is arranged on the static seal 43 between gear-box 24 and shaft coupling 25, the static seal being arranged between shaft coupling 25 and generator 26
44, the static seal 45 being arranged between generator 26 and deck store 27.Rotatory sealing ensures normal rotational movement between rotatable parts
Without producing leakage, static seal ensures that between connection member seawater can not be revealed.
In order to further improve the O＆M security of the electricity generation system, the signal monitoring mechanism also includes and the switch board 9
Change oar sensor 51, gearbox sensor 52, generating transducer 53 and the deck store sensor 54 of connection.The change oar sensor 51
It is arranged on inside the wheel hub 22, the gearbox sensor 52 and generating transducer 53 are separately positioned on gear-box 24 and generator
In 26, the deck store sensor 54 is arranged on the inside of deck store 27.If there is seawater leakage, become oar sensor 51, gearbox sensor
52nd, generating transducer 53 and deck store sensor 54 will send alarm signal to switch board 9.Start lifting control system if necessary
System 10, generating set is proposed that sea level carries out Inspection and maintenance by lifting device 5；Certainly, the change oar sensor 51, gear-box pass
Sensor 52, generating transducer 53 and deck store sensor 54 can also monitor other signals of generating set, such as temperature, pressure etc.
Signal, alarm is sent when beyond early warning value.
During the utility model Ocean Tidal Current Energy electricity generation system normal operation, ocean current promotes blade 21, wheel hub 22 to rotate, impeller
Seawater kinetic energy is captured, drives main shaft 23, gear-box 24, shaft coupling 25, generator 26 to rotate, seawater kinetic energy is converted into electric energy,
Electric energy is transferred to current transformer 8 by the extra large cable 7 to connect with generator 26 by extra large cable pillar 28, and being connected to the grid by current transformer 8 is
System.The Ocean Tidal Current Energy electricity generation system can send 690V alternating currents, access booster stations through current transformer 8, generate electricity by way of merging two or more grid systems.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, those skilled in the art make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above,
Fall in the scope of protection of the utility model.
Claims (10)
1. a kind of Ocean Tidal Current Energy electricity generation system, it is characterised in that including supporting mechanism, energy by ocean current generating set and signal monitoring
Mechanism；
The supporting mechanism includes foundation pile, horizontal support bar and workbench, and the foundation pile is perpendicularly fixed at seabed, described
The water surface that horizontal support bar is vertically fixed on the foundation pile is vertically fixed on the foundation pile with lower part, the workbench
Water surface above section；
The energy by ocean current generating set includes underwater component and component waterborne, blade that the underwater component includes being sequentially connected,
Wheel hub, main shaft, gear-box, shaft coupling, generator, deck store and Yawing mechanism, blade pitch device, the driftage are provided with the wheel hub
Mechanism is arranged between the shaft coupling and horizontal support bar, for driving the underwater component to be gone off course relative to horizontal support bar
Rotate, the underwater component is directly immersed in seawater；
The component waterborne includes the current transformer being connected by extra large cable with the generator, and passes through extra large cable and the driftage machine
The switch board that structure, blade pitch device, gear-box, shaft coupling, generator and deck store connect, the current transformer and switch board are arranged at
On the workbench；
The signal monitoring mechanism includes the current meter being connected with the switch board, and the current meter is arranged on the horizontal support
On bar, for monitoring the current direction change of energy by ocean current in real time.
2. Ocean Tidal Current Energy electricity generation system according to claim 1, it is characterised in that the Ocean Tidal Current Energy electricity generation system
Also include underwater sealing mechanism, the underwater sealing mechanism includes being arranged between the blade and wheel hub, the main shaft and tooth
Rotatory sealing between roller box, and be arranged between the gear-box and shaft coupling, between the shaft coupling and generator, institute
State the static seal between generator and deck store.
3. Ocean Tidal Current Energy electricity generation system according to claim 1, it is characterised in that the Ocean Tidal Current Energy electricity generation system
Also include hoisting mechanism, the hoisting mechanism includes lifting device and Lifting Control System, and the lifting device is arranged on described
Around foundation pile, its underpart is fixedly connected with the horizontal support bar, and its top is flexibly connected with the workbench；It is described to carry
Set-up of control system is risen on the workbench, for controlling the lifting device to be moved up and down along the foundation pile, and then
Drive the underwater component elevating movement of the energy by ocean current generating set.
4. Ocean Tidal Current Energy electricity generation system according to claim 1, it is characterised in that the Ocean Tidal Current Energy electricity generation system
Include the underwater component of two sets of energy by ocean current generating sets, two sets of underwater components are symmetricly set on the horizontal support bar
Both ends, and two sets of underwater components are connected with the component waterborne.
5. the Ocean Tidal Current Energy electricity generation system according to any one of Claims 1-4, it is characterised in that the signal monitoring
Mechanism also includes change oar sensor, gearbox sensor, generating transducer and the deck store sensor being connected with the switch board,
The change oar sensor is arranged on the hub interior, and the gearbox sensor and generating transducer are separately positioned on described
In gear-box and generator, the deck store sensor is arranged on the inside of the deck store.
6. Ocean Tidal Current Energy electricity generation system according to claim 5, it is characterised in that the underwater component axial centre is set
There is hollow shaft, the hollow shaft is used for the cable being connected through the switch board with blade pitch device.
7. Ocean Tidal Current Energy electricity generation system according to claim 6, it is characterised in that the deck store is additionally provided with for protecting
The extra large cable pillar of extra large cable, the top of the extra large cable pillar are higher by sea level.
8. Ocean Tidal Current Energy electricity generation system according to claim 1, it is characterised in that the blade is twayblade or three leaves
Piece.
9. Ocean Tidal Current Energy electricity generation system according to claim 1, it is characterised in that the gear-box uses two level or three
Level change-speed gearing structure.
10. Ocean Tidal Current Energy electricity generation system according to claim 1, it is characterised in that the generator is same using permanent magnetism
Walk generator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720856398.8U CN207111296U (en) | 2017-07-14 | 2017-07-14 | A kind of Ocean Tidal Current Energy electricity generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720856398.8U CN207111296U (en) | 2017-07-14 | 2017-07-14 | A kind of Ocean Tidal Current Energy electricity generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131093A (en) * | 2017-07-14 | 2017-09-05 | 国电联合动力技术有限公司 | A kind of Ocean Tidal Current Energy electricity generation system |
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- 2017-07-14 CN CN201720856398.8U patent/CN207111296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131093A (en) * | 2017-07-14 | 2017-09-05 | 国电联合动力技术有限公司 | A kind of Ocean Tidal Current Energy electricity generation system |
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