CN107191316A - Tuning for Controllable Pitch Propeller turbine wave transducer system - Google Patents
Tuning for Controllable Pitch Propeller turbine wave transducer system Download PDFInfo
- Publication number
- CN107191316A CN107191316A CN201710363933.0A CN201710363933A CN107191316A CN 107191316 A CN107191316 A CN 107191316A CN 201710363933 A CN201710363933 A CN 201710363933A CN 107191316 A CN107191316 A CN 107191316A
- Authority
- CN
- China
- Prior art keywords
- reservoir
- tuning
- pitch propeller
- controllable pitch
- propeller turbine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F03B15/02—Controlling by varying liquid flow
- F03B15/04—Controlling by varying liquid flow of turbines
- F03B15/06—Regulating, i.e. acting automatically
-
- 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
Abstract
A kind of tuning for Controllable Pitch Propeller turbine wave transducer system of wave energy conversion power generation technical field, including：Tuning for Controllable Pitch Propeller turbine, vertical drive shaft, generator and reservoir, wherein：Generator is provided with vertical drive shaft and both of which is provided with seal closure, and vertical drive shaft bottom is connected with tuning for Controllable Pitch Propeller turbine, and tuning for Controllable Pitch Propeller turbine is arranged in reservoir, and the mooring of reservoir bottom is on sea bed；Described generator is set with reservoir constant spacing in vertical direction, and higher than sea level.One aspect of the present invention is limited by the motion amplitude to wave transducer, while being sealed to electrical generation components, is reduced the risk that generating equipment is damaged and corroded, be have compressed maintenance cost；On the other hand by using tuning for Controllable Pitch Propeller turbine, efficiency of fuel cell generation is improved, electricity generation ability is improved.
Description
Technical field
The present invention relates to a kind of technology in wave energy conversion power generation field, specifically a kind of tuning for Controllable Pitch Propeller turbine wave is changed
Can device system.
Background technology
With the increasingly depleted of the fossil energies such as oil, coal, energy crisis and energy pollution are approached step by step, are obtained new
Regenerative resource has become very urgent, and the extensive ocean for taking up an area ball surface product 71% contains the energy of flood tide, its medium wave
Wave can be grade highest ocean energy.Wave energy produces energy transmission to ocean by wind, is that ocean surface wave is had
Kinetic energy and potential energy summation.
In recent years, China actively pushes forward the development and utilization of novel renewable energy, as large quantities of clean energy resourcies generate electricity
Project is constructed and put into operation, and the generator installation structure of China further optimized, and generation of electricity by new energy is in the situation of accelerated development.
China's wave energy resource reserves are enriched, theoretical about 12,850,000 kilowatts of the mean power of littoral wave energy resource, are opened with good
Application value is sent out, Wave energy generating system development potentiality is set up huge.
General wave transducer will produce the strenuous exercise of six-freedom degree in the presence of significantly wave, including vertical
Swing, swaying, heaving, rolling, pitching and head and the tail shake, chaotic rocking adds hydraulic cylinder, hydraulic motor and generator and damaged
Risk；Meanwhile, the hydraulic motor and generator of wave transducer are located at b.s.l., although have outer cover by they and seawater every
From, but long period of soaking still has very big penetration of sea water risk in seawater；Said circumstances easily causes equipment fault, reduction electricity production
Ability, increases maintenance cost.
The content of the invention
The present invention is directed to deficiencies of the prior art, it is proposed that a kind of tuning for Controllable Pitch Propeller turbine wave transducer system,
The motion amplitude of wave transducer is limited, while being sealed to electrical generation components, generating equipment failure and dimension is reduced
Accomplish this, improve electricity generation ability.
The present invention is achieved by the following technical solutions：
The present invention includes：Tuning for Controllable Pitch Propeller turbine, vertical drive shaft, generator and reservoir with adjustable pitch blade, wherein：Hair
Motor is provided with vertical drive shaft and both of which is provided with seal closure, and vertical drive shaft bottom is connected with tuning for Controllable Pitch Propeller turbine, tuning for Controllable Pitch Propeller whirlpool
Wheel is arranged in reservoir, and the mooring of reservoir bottom is on sea bed, adjustable pitch blade and the pitch according to water level regulation adjustable pitch blade
And the roll adjustment executing agency of the angle of attack is connected；
Described generator is set with reservoir constant spacing in vertical direction, and higher than sea level.
Described reservoir includes：Reservoir squab panel, reservoir bottom plate and upper unrestrained slope, wherein：Reservoir bottom plate is provided with blade hole,
And be respectively equipped with unrestrained slope and reservoir squab panel in windward side and lee face, reservoir bottom plate by reservoir be divided into above and below two parts,
Buoyant raft is provided between upper unrestrained slope and reservoir bottom base plate, buoyant raft, upper wave are provided between reservoir squab panel and reservoir bottom base plate
Slope and reservoir squab panel bottom are equipped with anchor chain, and anchor chain bottom is provided with high holding power anchor by reservoir mooring on sea bed.
Described tuning for Controllable Pitch Propeller turbine is provided with adjustable pitch blade.
Preferably, described reservoir floor level is set and height is more than sea level.
Preferably, described tuning for Controllable Pitch Propeller turbine is provided with circular cone nose.
Technique effect
Compared with prior art, one aspect of the present invention is limited by the motion amplitude to wave transducer, while right
Electrical generation components are sealed, and are reduced the risk that generating equipment is damaged and corroded, be have compressed maintenance cost；On the other hand pass through
Using tuning for Controllable Pitch Propeller turbine, efficiency of fuel cell generation is improved, electricity generation ability is improved.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
In figure：Adjustable pitch blade 1, circular cone nose 2, roll adjustment executing agency 3, vertical drive shaft seal closure 4, vertical drive shaft 5,
Generator seal closure 6, generator 7, reservoir squab panel 8, reservoir bottom plate 9, upper unrestrained slope 10, buoyant raft 11, anchor chain 12, high holding power anchor
13；
Fig. 2 is that embodiment effect compares figure；
In figure：A is that roll adjustment starches turbine, and D is that spacing starches turbine.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Embodiment 1
As shown in figure 1, the present embodiment includes：Tuning for Controllable Pitch Propeller turbine, vertical drive shaft 5, generator 7 and reservoir, wherein：Generate electricity
Machine 7, vertical drive shaft 5 and tuning for Controllable Pitch Propeller turbine are sequentially connected, and vertical drive shaft 5 is provided with vertical drive shaft seal closure 4, generator 7
Provided with generator seal closure 6, tuning for Controllable Pitch Propeller turbine is arranged in reservoir, and the mooring of reservoir bottom is on sea bed；
Described generator 7 is set with reservoir constant spacing in vertical direction, and higher than sea level.
Described reservoir includes：Reservoir squab panel 8, reservoir bottom plate 9 and upper unrestrained slope 10, wherein：The level of reservoir bottom plate 9 is set
Put and offer blade hole, while reservoir bottom plate 9 is respectively equipped with unrestrained slope 10 and reservoir squab panel in windward side and lee face
8, reservoir bottom plate 9 by reservoir be divided into above and below two parts, between upper unrestrained slope 10 and the bottom of reservoir bottom plate 9 be provided with buoyant raft 11, reservoir
Buoyant raft 11 is provided between squab panel 8 and the bottom of reservoir bottom plate 9, upper unrestrained slope 10 and the bottom of reservoir squab panel 8 are equipped with anchor chain 12,
The bottom of anchor chain 12 is provided with high holding power anchor 13 by reservoir mooring on sea bed.
Preferably, described reservoir squab panel 8 is vertically arranged with reservoir bottom plate 9.
Described generator 7 is arranged on the top of reservoir bottom plate 9, and described generator seal closure 6 passes through existing skill with reservoir
Art means are fixedly connected.
Described tuning for Controllable Pitch Propeller turbine is provided with adjustable pitch blade 1, and the adjustable pitch blade 1 is connected with roll adjustment executing agency 3.
Preferably, described tuning for Controllable Pitch Propeller turbine is provided with circular cone nose 2, and circular cone nose 2 can reduce hydrodynamic force loss and prevent production
Raw " rope whirlpool ", while providing built-in space for roll adjustment executing agency 3.
Described buoyant raft 11 is that rubber peel inflates buoyant raft, and enough buoyancy support reservoirs can be provided in the seawater.
Described reservoir squab panel 8, reservoir bottom plate 9 and upper unrestrained slope 10 uses concrete panels.
The course of work of the present embodiment is as follows：
When rising high sea on sea, wave will climb over unrestrained slope 10 and enter in reservoir, climb over unrestrained slope 10 and enter
The wave for entering reservoir varies, and the different change of height is also presented in water level therewith in reservoir；
In a certain high water level (about 7.5 meters), current flow through tuning for Controllable Pitch Propeller turbine along direction as shown by the arrows in Figure 1, adjust
Away from pitch of the executing agency 3 according to water level regulation adjustable pitch blade 1, change the angle of attack of adjustable pitch blade 1 so that adjustable pitch blade
1 angle of attack can make roll adjustment starch turbine up to peak efficiency 90% is caused in the water level, and water impact adjustable pitch blade 1 drives vertical
Drive shaft 5 rotates, and the vertical driving of drive shaft 5 generator 7 sends electric power, and the electric power sent is sent after being converted through power converter
Enter the AC network of locality；
In a certain low water level (about 3 meters), current are same to flow through tuning for Controllable Pitch Propeller turbine along direction as shown by the arrows in Figure 1,
Now the angle of attack of adjustable pitch blade 1 can only be such that roll adjustment slurry turbine is adjusted up to the efficiency for causing 65% or so, thus roll adjustment executing agency 3
The pitch of adjustable pitch blade 1, changes the angle of attack of adjustable pitch blade 1, roll adjustment is starched turbine same up to cause highest in the low water level
Efficiency 90%, water impact adjustable pitch blade 1 drives vertical drive shaft 5 to rotate, and the vertical driving of drive shaft 5 generator 7 sends electricity
Power, the electric power sent is admitted to the AC network of locality after being converted through power converter.
In the work period of whole system, the operation of roll adjustment executing agency 3 enables to 1 pair of adjustable pitch blade to flow the beginning
Eventually in an optimal angle of attack position, to make roll adjustment starch turbine all the time up to cause peak efficiency 90%.
As illustrated in fig. 1, it is preferred that described reservoir sectional dimension is bottom width 40m, high 7.5m.Whole reservoir length is (vertical
In paper direction) it is 120m.
Preferably, a diameter of 21m of described buoyant raft 11, thickness is 7m.Inside fill air.Every buoyant raft can be provided reservoir
About 97412KN buoyancy.
Preferably, the rated power of described generator 7 is 2650kW.
The simulation model of the present embodiment is set up by Matlab/Simulink, the power output of system is obtained in 2700kW
Nearby change a little.
The efficiency of existing spacing slurry turbine wave energy converter is sent out usually from 62% to 90% linear change
The electric energy gone out is extremely unstable.And the efficiency for starching turbine wave energy converter from the visible roll adjustment of the present invention of narration above is to protect
Hold and reach peak efficiency 90% at any time, thus the present invention can systems stabilisation power output, and electricity generation ability is substantially improved.
Claims (5)
1. a kind of tuning for Controllable Pitch Propeller turbine wave transducer system, it is characterised in that including：Tuning for Controllable Pitch Propeller whirlpool with adjustable pitch blade
Wheel, vertical drive shaft, generator and reservoir, wherein：Generator is provided with vertical drive shaft and both of which is provided with seal closure, vertical drive
Moving axis bottom is connected with tuning for Controllable Pitch Propeller turbine, and tuning for Controllable Pitch Propeller turbine is arranged in reservoir, and the mooring of reservoir bottom is on sea bed, adjustable pitch oar
Leaf is connected with the pitch according to water level regulation adjustable pitch blade and the roll adjustment executing agency of the angle of attack；
Described reservoir includes：Reservoir squab panel, reservoir bottom plate and upper unrestrained slope, wherein：Reservoir bottom plate be provided with blade hole, and
Windward side and lee face are respectively equipped with unrestrained slope and reservoir squab panel, reservoir bottom plate by reservoir be divided into above and below two parts, upper wave
Buoyant raft is provided between slope and reservoir bottom base plate, buoyant raft, upper unrestrained slope are provided between reservoir squab panel and reservoir bottom base plate
Anchor chain is equipped with reservoir squab panel bottom, anchor chain bottom is provided with high holding power anchor by reservoir mooring on sea bed；
Described roll adjustment executing agency.
2. tuning for Controllable Pitch Propeller turbine wave transducer system according to claim 1, it is characterized in that, described generator is vertical
Set on direction with reservoir constant spacing, and higher than sea level.
3. tuning for Controllable Pitch Propeller turbine wave transducer system according to claim 1, it is characterized in that, described generator is arranged on
Above reservoir bottom plate, both constant spacings are set.
4. tuning for Controllable Pitch Propeller turbine wave transducer system according to claim 1, it is characterized in that, described reservoir floor level
Set and height is more than sea level.
5. tuning for Controllable Pitch Propeller turbine wave transducer system according to claim 1, it is characterized in that, described tuning for Controllable Pitch Propeller turbine is set
There is circular cone nose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363933.0A CN107191316A (en) | 2017-05-22 | 2017-05-22 | Tuning for Controllable Pitch Propeller turbine wave transducer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363933.0A CN107191316A (en) | 2017-05-22 | 2017-05-22 | Tuning for Controllable Pitch Propeller turbine wave transducer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107191316A true CN107191316A (en) | 2017-09-22 |
Family
ID=59874357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710363933.0A Pending CN107191316A (en) | 2017-05-22 | 2017-05-22 | Tuning for Controllable Pitch Propeller turbine wave transducer system |
Country Status (1)
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|---|---|
| CN (1) | CN107191316A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202273804U (en) * | 2011-10-28 | 2012-06-13 | 天津大学 | Sea bank surge impeller-type wave energy-driven generating device group |
| CN203463220U (en) * | 2013-07-26 | 2014-03-05 | 中国海洋大学 | Overtopping wave energy convertor |
| CN103917775A (en) * | 2011-11-08 | 2014-07-09 | 乌本产权有限公司 | Turbine for a hydroelectric power plant, and hydroelectric power plant |
| CN105257467A (en) * | 2015-11-26 | 2016-01-20 | 天津大学前沿技术研究院有限公司 | Wave-overtopping type wave power generation buoy |
| CN205557444U (en) * | 2016-04-15 | 2016-09-07 | 中交第四航务工程勘察设计院有限公司 | Unrestrained caisson breakwater who generates electricity can disappear |
-
2017
- 2017-05-22 CN CN201710363933.0A patent/CN107191316A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202273804U (en) * | 2011-10-28 | 2012-06-13 | 天津大学 | Sea bank surge impeller-type wave energy-driven generating device group |
| CN103917775A (en) * | 2011-11-08 | 2014-07-09 | 乌本产权有限公司 | Turbine for a hydroelectric power plant, and hydroelectric power plant |
| CN203463220U (en) * | 2013-07-26 | 2014-03-05 | 中国海洋大学 | Overtopping wave energy convertor |
| CN105257467A (en) * | 2015-11-26 | 2016-01-20 | 天津大学前沿技术研究院有限公司 | Wave-overtopping type wave power generation buoy |
| CN205557444U (en) * | 2016-04-15 | 2016-09-07 | 中交第四航务工程勘察设计院有限公司 | Unrestrained caisson breakwater who generates electricity can disappear |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170922 |