CN106014840B - Wave-power device and control method - Google Patents

Wave-power device and control method Download PDF

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Publication number
CN106014840B
CN106014840B CN201610512778.XA CN201610512778A CN106014840B CN 106014840 B CN106014840 B CN 106014840B CN 201610512778 A CN201610512778 A CN 201610512778A CN 106014840 B CN106014840 B CN 106014840B
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Prior art keywords
sampled value
wave
roller
controller
metal tube
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CN106014840A (en
Inventor
周成双
刘辉云
郑园园
栾晓飞
张�林
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12Adaptations 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
    • F03B13/14Adaptations 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 wave energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/008Measuring or testing arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B15/00Controlling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00Manufacture
    • F05B2230/60Assembly methods
    • F05B2230/61Assembly methods using auxiliary equipment for lifting or holding
    • 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
    • Y02E10/20Hydro energy
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

The invention discloses a kind of wave-power device and control methods, including holder, power generator, controller and marine devices;The marine devices include that roller, the shaft in roller, the fixed ring being slidably connected with shaft both ends, two hawsers being connect respectively with each fixed ring, the pressure sensor set on every hawser lower part, the air bag that can vertically stretch in the metal tube of hawser lower end, the igniter being connect with air bag, the Bower Anchor nail in the metal tube of air bag lower part and several side anchors are followed closely;Cavity is equipped in roller, cavity is interior filled with hydrogen;The present invention has the characteristics that applied widely, energy conversion efficiency is high, stability is good.

Description

Wave-power device and control method
Technical field
The present invention relates to wave-activated power generation technical fields, more particularly, to one kind is applied widely, energy conversion efficiency is high, steady Qualitative good wave-power device and control method.
Background technology
The utilization of marine energy are the directions of energy research, are petered out and environmental aspect day in earth fossil energy Under the situation that benefit deteriorates, how efficent use of resources is abundant, reproducible marine resources, it appears particularly significant;
Wave energy is most clean renewable resource, the wave energy power that the whole world continuously dissipates along the coastline up to 27 × 105MW, technical available wave energy potentiality are 10 × 105MW.
There are deficiencies expensive, that energy conversion efficiency is low and installation region is limited for existing wave-power device.
Invention content
The goal of the invention of the present invention is the energy conversion effect in order to overcome wave-power device in the prior art expensive The low deficiency of rate provides a kind of wave-power device and controlling party applied widely, energy conversion efficiency is high, stability is good Method.
To achieve the goals above, the present invention uses following technical scheme:
A kind of wave-power device, including holder, power generator, controller and marine devices;The marine devices include Roller, the shaft in roller, the fixed ring being slidably connected with shaft both ends, two cables being connect respectively with each fixed ring Rope, the air bag and gas that can vertically stretch set on the pressure sensor of every hawser lower part, in the metal tube of hawser lower end The igniter of capsule connection, the Bower Anchor nail in the metal tube of air bag lower part and several side anchor nails;Cavity is equipped in roller, it is empty Intracavitary is filled with hydrogen;
Roller one end is equipped with annular groove, and drawstring is equipped in annular groove, and shaft is equipped with the lid coordinated with annular groove Plate, cover board portal equipped with drawstring, and holder is equipped with movable pulley and fixed pulley, and drawstring is connect with movable pulley, and branch is fixed in one end On frame, the other end bypasses movable pulley, the traction rope of fixed pulley is connect with power generator;Controller respectively with 2 pressure sensors It is electrically connected with 2 igniters.
Roller converts the active force of wave to the drawing force to drawstring, and is amplified the stroke of stretching by movable pulley, And mechanical energy is converted by the electric energy that can be stored by power generator.
In known waters, water-bed depth is known, and therefore, the present invention passes through two according to known water-bed depth The pressure detecting of a pressure sensor, you can know whether metal tube has arrived at water bottom, to control anchoring operation.
Air bag is used to Bower Anchor nail and each side anchor nail being fixed on water-bed soil layer or rock stratum, has when air bag flicks enough Explosive force, allow the present invention anchor structure be fixed on the water-bed fixture of any quality, what marine devices were stablized It is fixed.
Holder and power generator can be arranged on bank, breakwater or on pier.
Therefore, the present invention has the characteristics that applied widely, energy conversion efficiency is high, stability is good.
Preferably, the roller is equipped with several staggered columnar protrusions or conoid protuberance.Each protrusion Setting, increases the contact area of roller and water, roller absorbs more wave energies, can be converted to more mechanical energy.
Coordinate preferably, the power generator includes rack, the resetting spring being connect with rack, gear and gear Two ratchets and two generators;Rack and pinion is meshed, and gear is matched with two ratchets respectively by two pawls, and two The shaft of a ratchet is connect with the rotor of two generators respectively.
When the pulling force of traction rope is more than the thrust of resetting spring, rack moves right, and gear rotates clockwise, and gear is logical It crosses pawl and drives ratchet wheel.The shaft of ratchet drives the rotor rotation of a generator, electrical power generators;
When the pulling force of traction rope is less than the thrust of resetting spring, rack is moved to the left, and gear rotates counterclockwise, and gear is logical It crosses pawl and drives another ratchet wheel.The shaft of another ratchet drives the rotor of another generator to rotate, generator hair Electricity.
Preferably, the metal tube side wall is open equipped with several, every side anchor nail front end is located at corresponding opening Place;Bower Anchor nail and each side anchor nail are in the cone of lower end point, and Bower Anchor nails on end and is equipped with circular baffle plate, Bower Anchor nail and respectively A side anchor nail is connect by metallic bond with metal tube, and cover board is equipped in metal tube lower end and each opening.
Circular baffle plate is pushed quickly to move down after air bag detonation, the cover board of metal tube lower end is flicked, in Bower Anchor nail Under promotion, each side anchor nail oliquely downward moves, and the cover board of each opening is open, each side anchor nail stretch out metal tube it Outside, Bower Anchor nail and each side anchor nail enter in water-bed soil layer or rock stratum.
Preferably, roller and shaft clearance fit, inner wall of rotary drum is equipped with several staggered grooves, each recessed Steel ball is equipped in slot, each steel ball is in contact with shaft.
A kind of control method of wave-power device, includes the following steps:
It is equipped with depth of water threshold value W in controller, marine devices are put on the water surface, two hawsers are put into water, metal is made Pipe enters the bottom;Two pressure sensor detection pressure signal S (t), controller obtain water depth value A1 according to pressure signal S (t) And A2, controller calculate the average value A of A1 and A2;
As A >=W, then controller controls 2 igniter fires, and two air bags vertically stretch, and air bag pushes Bower Anchor nail and each A side anchor nail stretches out except metal tube and enters in water-bed soil layer or rock stratum;
Wave pushes roller to rotate clockwise or counterclockwise, and drawstring pulls movable pulley to move up and down, and traction rope is filled to power generation Set the mechanical energy that power generation is provided.
Preferably, further including the amendment step to pressure signal S (t):
Controller chooses the sampled value that several time intervals are Δ t in S (t), and each sampled value is according to time order and function It is ranked sequentially composition detection signal I (t);
For first sampled value in I (t) and each sampled value ES (t except the last one sampled value1), utilize formulaCalculate steady coefficient ratio;
Controller is previously provided with the weight threshold 0.5,1 and 1.5 being sequentially increased;
Sampled value in [1-A1,1+A1] range is located at for ratio, sampled value is modified to B1 ES (t1), B1 is small In 0.4 real number;
Sampled value in (0.5,1-A1) or (1+A1,1.5) range is located at for ratio, sampled value is modified to B2ES (t1), B1 < B2 < 0.6;
The correspondence sampled value in I (t) is replaced with corrected each sampled value, is obtained by modified detection signal I (t), pressure signal S (t) is replaced with modified detection signal I (t).
Therefore, the present invention has the advantages that:Feature applied widely, energy conversion efficiency is high, stability is good.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the present invention;
Fig. 2 is a kind of structural schematic diagram of the power generator of the present invention;
Fig. 3 is a kind of flow chart of the present invention;
Fig. 4 is a kind of functional block diagram of the present invention;
Fig. 5 is a kind of sectional view of the metal tube of the present invention.
In figure:Holder 1, controller 3, marine devices 4, movable pulley 5, fixed pulley 6, traction rope 7, gear 22, ratchet 23, spine Pawl 24, roller 41, shaft 42,43, two hawsers 44 of fixed ring, pressure sensor 45, air bag 46, igniter 47, Bower Anchor nail 48, Side anchor nail 49, drawstring 50, cover board 51, conoid protuberance 411.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment as shown in Figure 1 is a kind of wave-power device, including holder 1, power generator, controller 3 and waterborne Device 4;Marine devices include roller 41, the shaft 42 in roller, the fixed ring 43 being slidably connected with shaft both ends, difference Two hawsers 44, the pressure sensor 45 set on every hawser lower part, the gold set on hawser lower end being connect with each fixed ring The air bag 46 that can vertically stretch, the igniter 47 being connect with air bag, the Bower Anchor in the metal tube of air bag lower part in category pipe 48 and 4 side anchor nails 49 of nail;Cavity is equipped in roller, cavity is interior filled with hydrogen;
Roller one end is equipped with annular groove, be equipped with drawstring 50 in annular groove, and shaft is equipped with to be coordinated with annular groove Cover board 51, cover board portals equipped with drawstring, and holder is equipped with movable pulley 5 and fixed pulley 6, and drawstring is connect with movable pulley, and one end is solid Due on holder, the other end around movable pulley, fixed pulley traction rope 7 connect with power generator;As shown in figure 4, controller point It is not electrically connected with 2 pressure sensors and 2 igniters.
As shown in Figure 1, roller is equipped with 24 staggered columnar protrusions or conoid protuberance 411.
As shown in Fig. 2, power generator includes rack, the resetting spring being connect with rack, gear 22, two with gear cooperation A ratchet 23 and two generators;Rack and pinion is meshed, and gear is matched with two ratchets respectively by two pawls 24, The shaft of two ratchets is connect with the rotor of two generators respectively.
As shown in figure 5, metal tube side wall is open equipped with several, every side anchor nail front end is located at corresponding opening; Bower Anchor nail and each side anchor nail are in the cone of lower end point, and Bower Anchor nails on end and is equipped with circular baffle plate 481, Bower Anchor nail and respectively A side anchor nail is connect by metallic bond with metal tube, and cover board is equipped in metal tube lower end and each opening.
Roller and shaft clearance fit, inner wall of rotary drum are equipped with several staggered grooves, are all provided in each groove There are steel ball, each steel ball to be in contact with shaft.
As shown in figure 3, a kind of control method of wave-power device, includes the following steps:
Step 100, the depth of water is detected
It is equipped with depth of water threshold value W in controller, marine devices are put on the water surface, two hawsers are put into water, metal is made Pipe enters the bottom;Two pressure sensor detection pressure signal S (t), controller obtain water depth value A1 according to pressure signal S (t) And A2, controller calculate the average value A of A1 and A2;
Step 200, fixed Bower Anchor nail and each side anchor nail
As A >=W, then controller controls 2 igniter fires, and two air bags vertically stretch, and air bag pushes Bower Anchor nail and each A side anchor nail stretches out except metal tube and enters in water-bed soil layer or rock stratum;
Step 300, wave-activated power generation
Wave pushes roller to rotate clockwise or counterclockwise, and drawstring pulls movable pulley to move up and down, and traction rope is filled to power generation The mechanical energy that power generation is provided is set, power generator converts mechanical energy to electric energy.
Wherein, amendments of the pressure signal S (t) Jing Guo following steps:
Controller chooses the sampled value that several time intervals are Δ t in S (t), and each sampled value is according to time order and function It is ranked sequentially composition detection signal I (t);
For first sampled value in I (t) and each sampled value ES (t except the last one sampled value1), utilize formulaCalculate steady coefficient ratio;
Controller is previously provided with the weight threshold 0.5,1 and 1.5 being sequentially increased;
Sampled value in [1-A1,1+A1] range is located at for ratio, sampled value is modified to B1 ES (t1), B1 is small In 0.4 real number;
Sampled value in (0.5,1-A1) or (1+A1,1.5) range is located at for ratio, sampled value is modified to B2ES (t1), B1 < B2 < 0.6;
The correspondence sampled value in I (t) is replaced with corrected each sampled value, is obtained by modified detection signal I (t), pressure signal S (t) is replaced with modified detection signal I (t).
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that, After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc. Valence form is also fallen within the scope of the appended claims of the present application.

Claims (7)

1. a kind of wave-power device, characterized in that including holder (1), power generator, controller (3) and marine devices (4); The marine devices include roller (41), the shaft (42) in roller, the fixed ring (43) being slidably connected with shaft both ends, Two hawsers (44) being connect respectively with each fixed ring, set on every hawser lower part pressure sensor (45), be set to hawser The air bag (46) that can vertically stretch, the igniter (47), the gold set on air bag lower part that are connect with air bag in the metal tube of lower end Belong to the Bower Anchor nail (48) in pipe and several side anchor nails (49);Cavity is equipped in roller, cavity is interior filled with hydrogen;
Roller one end is equipped with annular groove, and drawstring (50) is equipped in annular groove, and shaft is equipped with the lid coordinated with annular groove Plate (51), cover board portals equipped with drawstring, and holder is equipped with movable pulley (5) and fixed pulley (6), and drawstring is connect with movable pulley, and one End is fixed on holder, the other end connect around the traction rope (7) of movable pulley, fixed pulley with power generator;Controller is respectively with 2 A pressure sensor and 2 igniter electrical connections.
2. wave-power device according to claim 1, characterized in that it is staggered that the roller is equipped with several Columnar protrusions or conoid protuberance (411).
3. wave-power device according to claim 1, characterized in that the power generator includes rack, connects with rack Resetting spring, gear (22), two ratchets (23) coordinated with gear and two generators connect;Rack and pinion is meshed, Gear is matched with two ratchets respectively by two pawls (24), the shafts of the two ratchets rotor with two generators respectively Connection.
4. wave-power device according to claim 1, characterized in that the metal tube side wall is opened equipped with several Mouthful, every side anchor nail front end is located at corresponding opening;The Bower Anchor nail and each side anchor nail are in the cone of lower end point, main Holdfast upper end is equipped with circular baffle plate (481), and Bower Anchor nail and each side anchor nail are connect by metallic bond with metal tube, under metal tube It is equipped with cover board in end and each opening.
5. wave-power device according to claim 1 or 2 or 3 or 4, characterized in that roller and shaft clearance fit, rolling Cylinder inner wall is equipped with several staggered grooves, is equipped with steel ball in each groove, each steel ball is in contact with shaft.
6. a kind of control method based on wave-power device described in claim 1, characterized in that include the following steps:
In controller be equipped with depth of water threshold value W, marine devices are put on the water surface, two hawsers are put into water, make metal tube into Enter the bottom;Two pressure sensor detection pressure signal S (t), controller obtain water depth value A1 and A2 according to pressure signal S (t), Controller calculates the average value A of A1 and A2;
As A >=W, then controller controls 2 igniter fires, and two air bags vertically stretch, and air bag pushes Bower Anchor nail and each side Holdfast stretches out except metal tube and enters in water-bed soil layer or rock stratum;
Wave pushes roller to rotate clockwise or counterclockwise, and drawstring pulls movable pulley to move up and down, and traction rope is carried to power generator For the mechanical energy of power generation, power generator converts mechanical energy to electric energy.
7. the control method of wave-power device according to claim 6, characterized in that further include to pressure signal S (t) Amendment step:
Controller chooses the sampled value that several time intervals are Δ t in S (t), and each sampled value is according to chronological order It is arranged to make up detection signal I (t);
For first sampled value in I (t) and each sampled value ES (t1) except the last one sampled value, formula is utilizedCalculate steady coefficient ratio;
Controller is previously provided with the weight threshold 0.5,1 and 1.5 being sequentially increased;
Sampled value in [1-A1,1+A1] range is located at for ratio, sampled value is modified to B1 ES (t1), B1 is less than 0.4 Real number;
Sampled value in (0.5,1-A1) or (1+A1,1.5) range is located at for ratio, sampled value is modified to B2 ES (t1), B1 < B2 < 0.6;
The correspondence sampled value in I (t) is replaced with corrected each sampled value, obtains, by modified detection signal I (t), using Modified detection signal I (t) replaces pressure signal S (t).
CN201610512778.XA 2016-06-28 2016-06-28 Wave-power device and control method Active CN106014840B (en)

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CN106014840B true CN106014840B (en) 2018-08-14

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106560614B (en) * 2016-10-18 2019-01-08 浙江海洋大学 Lift wave-power device and control method
CN106499572B (en) * 2016-10-18 2018-12-04 浙江海洋大学 Intelligent wave-power device and its control method
CN106499571B (en) * 2016-10-18 2018-12-04 浙江海洋大学 wave power generation device and method
CN106481500B (en) * 2016-10-20 2019-03-19 浙江海洋大学 Wave-power device and control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080035478A (en) * 2006-10-18 2008-04-23 김변수 Wave energy converter
WO2011054946A2 (en) * 2009-11-06 2011-05-12 Hubert Quinet Wave energy converter having a counter-float
CN102269100A (en) * 2011-06-29 2011-12-07 绍兴文理学院 Reel type sea wave energy generating device
CN103443448A (en) * 2011-02-23 2013-12-11 李东仁 Wave power generating apparatus
US8901766B2 (en) * 2008-06-12 2014-12-02 Alexander K. Werjefelt Wave action electric generating system including a boom on a floating platform

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080035478A (en) * 2006-10-18 2008-04-23 김변수 Wave energy converter
US8901766B2 (en) * 2008-06-12 2014-12-02 Alexander K. Werjefelt Wave action electric generating system including a boom on a floating platform
WO2011054946A2 (en) * 2009-11-06 2011-05-12 Hubert Quinet Wave energy converter having a counter-float
CN103443448A (en) * 2011-02-23 2013-12-11 李东仁 Wave power generating apparatus
CN102269100A (en) * 2011-06-29 2011-12-07 绍兴文理学院 Reel type sea wave energy generating device

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