CN104763581B - Tidal current energy generator set and yawing method thereof - Google Patents
Tidal current energy generator set and yawing method thereof Download PDFInfo
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- CN104763581B CN104763581B CN201510155651.2A CN201510155651A CN104763581B CN 104763581 B CN104763581 B CN 104763581B CN 201510155651 A CN201510155651 A CN 201510155651A CN 104763581 B CN104763581 B CN 104763581B
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- current energy
- yaw
- energy generator
- tidal
- marine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/329—Azimuth or yaw angle
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Oceanography (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a tidal current energy generator set and a yawing method thereof. The tidal current energy generator set comprises a tidal current energy hydraulic turbine set, a main support frame, a floating type ocean platform and a yawing system, a hole for lifting the tidal current energy hydraulic turbine set is formed in the floating type ocean platform, the main support frame passes through the hole, the lower part thereof is firmly connected with the tidal current energy hydraulic turbine set, the upper part is firmly connected with the yawing system, and the yawing system is supported above the floating type ocean platform through a yawing bracket. The yawing system of the tidal current energy generator set is arranged on the sea level, relevant data are sent to a master control system through an ocean environment detection system, the master control system controls the yawing of the yawing system, all the bidirectional tidal current energy can be captured, the usable power generation time is prolonged, and the power generation efficiency of the tidal current energy generator set is improved. The tidal current energy generator set is simple in structure and convenient to maintain.
Description
Technical field
The present invention relates to marine tidal-current energy technical field of power generation, more particularly to a kind of marine tidal-current energy generator group and its driftage side
Method.
Background technology
Existing marine tidal-current energy generator group is general without yaw system, using the generating equipment of Double-directional rotary, by wide-angle
Pitch-controlled system realize it is two-way to flow when energy capture, or only capture the energy of unidirectional trend, also have plenty of by driftage
Adjusting means is gone off course, and is relied primarily on hydrodynamic(al) performance and is adjusted, such as application for a patent for invention (application publication number：
CN103758688A disclosed in)：The upper pylon of tidal current energy water turbine yaw adjustment device is arranged on by yaw device and is fixed on
On the lower pylon of base, two regulation blades are symmetrically arranged at the outside of pylon, lower pylon pass sequentially through main shaft, two
Journal bearing, top chock and step constitute radial direction swinging and are connected with top chock, between upper pylon and lower pylon
It is provided with axial thrust bearing and sealing mechanism.When there is yaw angle, the moment of torsion sum non-zero that regulation blade is produced, the torsion of non-zero
Square makes pylon and turbine proper be rotated to the direction that yaw angle reduces, when rotating to the position that yaw angle is zero, two
The torque that individual symmetrical regulation blade is produced is equal, in opposite direction, and moment of torsion reaches balance, realizes the regulation of driftage.And it is this
The Yawing mechanism of tidal current energy water turbine is placed under water, and driftage structure becomes complicated, and also needs to otherwise designed sealing structure, and
Make later maintenance complicated；Other this technology is gone off course by hydrodynamic(al) performance, then the design requirement to blade is higher, increased into
This.
Wind energy conversion system yaw system also, such as patent of invention (application publication number：CN102341595A the yaw system in)
Including the bearing being fixed on pylon, cabin placement is slided on the bearing on the bearing and in yawing rotation；And cloth
At least one yaw motor for allowing cabin to be rotated along bearing is set to, with the control machine for controlling the yaw motor
Structure.The driftage controlling organization needs change in real time according to wind direction that instruction is sent to yaw system, to reach power optimized,
Again due to variable direction, the requirement to control system is improved, and makes overall generating set increasingly complex.
As can be seen here, the yaw system of above-mentioned existing marine tidal-current energy generator group is in structure, method and uses upper, it is clear that still
Inconvenience and defect are there are, and is urgently further improved.How a kind of simple structure, easy to maintenance new tide are founded
Stream energy generating set and its driftage method, improved target is needed as current industry pole.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of simple structure, marine tidal-current energy generator group easy to maintenance, makes
It overcomes the shortcomings of existing marine tidal-current energy generator group.
In order to solve the above technical problems, the present invention provides a kind of marine tidal-current energy generator group, including tidal current energy water turbine group, master
Support frame, float type marine platform and yaw system, the float type marine platform are provided with for lifting tidal current energy water turbine
The hole of group, the main backstop passes through the hole, its underpart to be fixedly connected with tidal current energy water turbine group, and its top is consolidated with yaw system
Fixed connection, the yaw system is supported on the top of the float type marine platform by support of going off course.
Used as a modification of the present invention, the driftage support includes support platform and supporting leg, is set in the support platform
There is the pilot hole for coordinating main backstop lifting, the supporting leg is fixedly connected between support platform and float type marine platform.
Further improve, the yaw system includes yaw drive and yaw, the yaw includes driftage
Bearing outer ring and yaw inner ring, the yaw drive are passed in the case where driftage drives the fixation of fixed mount with yaw inner ring
Dynamic connection, the yaw inner ring is fixedly connected with the top of the main backstop, and the yaw outer ring is inclined with described
Boat drives fixed mount to be fixedly connected, and the driftage drives fixed mount to be fixedly connected with support platform.
Further improve, the yaw drive is connected with yaw inner ring by gear engagement system；It is described
Yaw inner ring is fixedly connected with the top of the main backstop by pinboard.
Further improve, the driftage to drive and be provided with mistake proofing fit structure between fixed mount and support platform.
Further improve, the marine tidal-current energy generator group also includes hoisting mechanism.
Further improve, the marine tidal-current energy generator group also includes the marine environment being connected with the generating set master control system
Detecting system, the ocean environment monitoring system is used to detect the temperature of marine environment, salinity, strength of current, direction of tide ginseng
Number, and the parameter information is sent to the master control system of the generating set.
Further improve, the ocean environment monitoring system is arranged on the float type marine platform lower section.
Further improve, the yaw system also includes braking mechanism.
The present invention also provides a kind of driftage method of marine tidal-current energy generator group, and the marine tidal-current energy generator group includes and the hair
The ocean environment monitoring system of group of motors master control system connection and the yaw system controlled by the master control system, its driftage method step
Suddenly include：
1) when marine environmental monitoring system detectio to tidal current speed is 0 and direction of tide will change, the marine environment
Monitoring system sends signal to master control system；
2) after the master control system receives the signal that the marine environmental monitoring system sends, instruction yaw system starts
Driftage.
Using above-mentioned technical scheme, the present invention at least has advantages below：
1. the driftage structure setting of marine tidal-current energy generator group of the present invention can both have been saved and set yaw system on sea level
Complicated sealing structure when under sea level is placed in, the feelings of Marine Pollution when the problems such as yaw system can be avoided oil leak occur again
Condition, environmental protection.
2. marine tidal-current energy generator group of the present invention feeds back to master control by the data message measured by ocean environment monitoring system
System, the driftage of yaw system is controlled by master control system, it is possible to achieve whole captures of energy during bi-directional current, extending can
Generating dutation, improves the generating efficiency of marine tidal-current energy generator group.
3. can be promoted to water turbine set more than sea level by hoisting mechanism by marine tidal-current energy generator group of the present invention, be beneficial to
The maintenance and maintenance of generating set.
Brief description of the drawings
Above-mentioned is only the general introduction of technical solution of the present invention, in order to better understand technological means of the invention, below
With reference to accompanying drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the structural representation of marine tidal-current energy generator group of the present invention；
Fig. 2 is ideally tidal current speed curve synoptic diagram.
Specific embodiment
Referring to the drawings shown in 1, marine tidal-current energy generator group of the present invention includes：Tidal current energy water turbine group 1, main backstop 2, floating
Formula ocean platform 3 and yaw system.The bottom of main backstop 2 is fixedly connected with tidal current energy water turbine group 1, its top with driftage
System is fixedly connected, and yaw system is supported on float type marine platform 3 by support 4 of going off course.
Tidal current energy water turbine group 1 includes cabin and at least two blades, and the cabin is fixed with the bottom of main backstop 2 and connected
Connect.
Float type marine platform 3 is rested on sea level, is berthed by anchor chain 11, and quantity and the platform of anchor chain 11 set
Meter requirement is matched, and is had in the middle of it and is lifted the hole onto sea level for tidal current energy water turbine group 1.
Driftage support 4 includes support platform 402 and its supporting leg 401.Support platform 402 be used to support whole yaw system and
Its auxiliary device.The centre of support platform 402 is provided with the pilot hole for coordinating the lifting of main backstop 2, is used to work as tidal current energy water turbine
Guide effect when group 1 is lifted.Supporting leg 401 is used to be supported on support platform 402 on float type marine platform 3, and its quantity can
Configured according to actual requirement.Supporting leg 401 can be fixedly connected on support platform 402 with floatation type sea by welding or other modes
On foreign platform 3.
Yaw system includes that yaw drive 5, driftage drive fixed mount 8 and yaw 7.Wherein, in yaw system extremely
Contain a set of yaw drive 5 less.Yaw drive 5 is arranged on driftage and drives on fixed mount 8, and driftage drives fixed mount 8 to be located at
Coordinate above support platform 402 and with support platform 402 and install, be such as fixedly connected by bolt 12.It is preferred that driftage drives fixing
Frame 8 is provided with fixed mistake proofing fit structure with the contact surface of support platform 402, prevents driftage from driving fixed mount 8 to install error
Influence the normal work of marine tidal-current energy yaw system.
Yaw 7 is located at the top that driftage drives fixed mount 8, including yaw outer ring 702 and yaw inner ring
701.Yaw outer ring 702 drives fixed mount 8 to be fixedly connected by bolt 13 and driftage, and yaw inner ring 701 leads to
Cross pinboard 6 to be fixedly connected with the top of main backstop 2, such as pinboard 6 is fixed with yaw inner ring 701 by bolt 14 and connected
Connect, be fixedly connected with the top of main backstop 2 by bolt 15.Yaw drive 5 drives driftage to drive inner ring 701 to rotate, its
The preferred meshed transmission gear mode of the kind of drive, can also use the hydraulic-driven kind of drive or other kinds of drive.Go off course system
The operation principle of system is：Yaw drive 5 drives yaw inner ring 701 to rotate, and yaw inner ring 701 drives pinboard 6
Rotate, while driving main backstop 2 to rotate, and then drive tidal current energy water turbine group 1 to rotate, then complete marine tidal-current energy generator group
Yaw maneuver.
The marine tidal-current energy generator group also includes hoisting mechanism, and the hoisting mechanism can be using any lifting knot in the prior art
Structure, is overhauled and is safeguarded after being promoted to more than sea level beneficial to water turbine set.Preferred hoisting mechanism includes carrying in the present embodiment
Rise power wheel 9, lifting bracket 403 and chain.Lifting power wheel 9 is fixedly installed on the upper surface of float type marine platform 3.Lifting
Support 403 is fixedly mounted on the lower surface of support platform 402, and which is provided with pulley.One end of chain and tidal current energy water turbine
The cabin connection of group 1, after its middle part bypasses pulley, the other end is connected with lifting power wheel 9.When water turbine set 1 needs lifting,
Lifting chain is lifted by pulley under the drive of lifting power wheel 9 to water turbine set 1, is beneficial to the inspection of water turbine set 1
Repair and safeguard.Wherein, lifting bracket 403 and support platform 402 or integral structure.
When tidal current energy water turbine group 1 needs lifting, it is necessary to staff's demounting bolt 12, now whole yaw system with
Tidal current energy water turbine group 1 is connected, and starts hoisting mechanism 9, and main backstop 2 is entered by the guide effect of the interstitial hole of support platform 402
Row vertical-lifting；When tidal current energy water turbine group 1 needs landing playback, start hoisting mechanism 9, driftage drives fixed mount 8 gradually
Coordinate with support platform 402, after the mistake proofing fit structure when between the two is worked good, fixedly mount, marine tidal-current energy generator group is
Can normal work.
The marine tidal-current energy generator group also includes the ocean environment monitoring system 10 being connected with master control system, ocean environment monitoring
System 10 may be provided at the rational position of the bottom of ocean platform 3, for measurement and the feedback, including temperature of ocean environment parameter
The other desired parameter such as degree, salinity, strength of current, direction of tide, but it is not limited only to the parameter.
It is measured according to actual direction of tide, the direction of trend is essentially to flow and go to flow both direction, therefore
The driftage of unit is substantially at the driftage between 0 ° -180 °.The main working process of the marine tidal-current energy generator group is as follows：
When trend come to as shown in Figure 1 when, tidal current energy water turbine group 1 carries out energy capture normal power generation.By sea
Foreign environmental monitoring system 10 can draw actual strength of current and direction similar to the situation shown in accompanying drawing 2：From initial 0 position
Rise, the direction of trend slowly increases for forward direction, and flow velocity, and highest is reached in about 6 position flow velocitys, and flow velocity slowly drops later
It is low, it is zero in about 12 position flow velocitys；Direction of tide changes after crossing at 12 points, situation of the tidal current speed similar to 0-12 points.
When marine environmental monitoring system 10 detects tidal current speed when 12 positions are 0, signal is sent to master control system,
Master control system instruction tidal current energy water turbine group 1 starts driftage, that is, control yaw drive 5 to drive yaw inner ring 701 to rotate,
Yaw inner ring 701 drives pinboard 6 to rotate, while driving main backstop 2 to rotate, and then drives tidal current energy water turbine group 1
Rotate, to complete the yaw maneuver of marine tidal-current energy generator group.Tidal current energy water turbine group 1 meets stream direction in accompanying drawing 1 after driftage
Opposite direction.
In order to be able to make tidal current energy water turbine group 1 be fixed on a certain yaw angle, the marine tidal-current energy generator group yaw system
Also need to increase corresponding brake appts.The brake appts can be using any with stopping that the yaw system is matched in the prior art
Mechanism of car.
Marine tidal-current energy generator group of the present invention is using the yawing system construction being arranged on above float type marine platform, Ke Yishi
Whole captures of energy, extend available generating dutation during existing bi-directional current, improve the generating effect of marine tidal-current energy generator group
Rate.
The driftage structure setting of marine tidal-current energy generator group of the present invention on sea level, can save will driftage structure setting in
Complicated sealing structure when under sea level, and avoid the situation of Marine Pollution when the problems such as oil leak occurring in driftage structure, green
It is environmentally friendly, easy to maintenance.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention, this
Art personnel make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all fall within this hair
In bright protection domain.
Claims (7)
1. a kind of marine tidal-current energy generator group, it is characterised in that put down including tidal current energy water turbine group, main backstop, float type marine
Platform and yaw system, the float type marine platform are provided with the hole for lifting tidal current energy water turbine group, the main backstop
Through the hole, its underpart is fixedly connected with tidal current energy water turbine group, and its top is fixedly connected with yaw system, the yaw system
The top of the float type marine platform is supported on by support of going off course；
The driftage support includes support platform and supporting leg, and the support platform is provided with the guiding for coordinating main backstop lifting
Hole, the supporting leg is fixedly connected between support platform and float type marine platform；
The yaw system includes yaw drive and yaw, and the yaw includes yaw outer ring and yaw axis
Inner ring is held, the yaw drive is connected in the case where driftage drives the fixation of fixed mount with yaw inner ring, the driftage
Bearing inner race is fixedly connected with the top of the main backstop, and the yaw outer ring drives fixed mount to fix with the driftage
Connection, the driftage drives fixed mount to be fixedly connected with support platform.
2. marine tidal-current energy generator group according to claim 1, it is characterised in that in the yaw drive and yaw
Circle is connected by gear engagement system；The yaw inner ring is fixed with the top of the main backstop by pinboard
Connection.
3. marine tidal-current energy generator group according to claim 1, it is characterised in that the driftage drives fixed mount flat with support
Mistake proofing fit structure is provided between platform.
4. marine tidal-current energy generator group according to claim 1, it is characterised in that the marine tidal-current energy generator group also includes carrying
Rise mechanism.
5. marine tidal-current energy generator group according to claim 1, it is characterised in that the marine tidal-current energy generator group also include with
The ocean environment monitoring system of generating set master control system connection, the ocean environment monitoring system is used to detect marine environment
Temperature, salinity, strength of current, direction of tide parameter, and to the parameter information is sent the master control system of the generating set.
6. marine tidal-current energy generator group according to claim 5, it is characterised in that the ocean environment monitoring system is arranged on
The float type marine platform lower section.
7. the marine tidal-current energy generator group according to any one of claim 1 to 6, it is characterised in that the yaw system is also wrapped
Include braking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155651.2A CN104763581B (en) | 2015-04-02 | 2015-04-02 | Tidal current energy generator set and yawing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510155651.2A CN104763581B (en) | 2015-04-02 | 2015-04-02 | Tidal current energy generator set and yawing method thereof |
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| CN104763581A CN104763581A (en) | 2015-07-08 |
| CN104763581B true CN104763581B (en) | 2017-05-24 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO341670B1 (en) * | 2016-03-11 | 2017-12-18 | Tidetec As | An energy generating arrangement powered by tidal water and a method for providing such an arrangement |
| CN106194569A (en) * | 2016-09-14 | 2016-12-07 | 国家电网公司 | The attending device of tidal power generating system |
| CN107191315A (en) * | 2017-07-14 | 2017-09-22 | 国电联合动力技术有限公司 | A kind of Ocean Tidal Current Energy electricity generation system |
| CN107165772A (en) * | 2017-07-14 | 2017-09-15 | 国电联合动力技术有限公司 | A kind of Ocean Tidal Current Energy electricity generation system |
| 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 |
| CN107165774A (en) * | 2017-07-14 | 2017-09-15 | 国电联合动力技术有限公司 | A kind of Ocean Tidal Current Energy electricity generation system |
| CN109185035B (en) * | 2018-10-31 | 2020-04-03 | 宁波大学 | Self-balancing tidal current energy power generation device |
| CN110566398A (en) * | 2019-10-21 | 2019-12-13 | 浙江大学 | Yaw tidal current energy generator set and yaw method thereof |
| CN113353203A (en) * | 2021-06-11 | 2021-09-07 | 中国科学院广州能源研究所 | Self-propelled wave energy and tidal current energy comprehensive utilization platform and method |
| CN114576076A (en) * | 2022-05-06 | 2022-06-03 | 杭州林东新能源科技股份有限公司 | Tidal current energy power generation device and yawing method thereof |
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