CN105840402A - Novel mechanical wave power generation device - Google Patents

Novel mechanical wave power generation device Download PDF

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Publication number
CN105840402A
CN105840402A CN201610331097.3A CN201610331097A CN105840402A CN 105840402 A CN105840402 A CN 105840402A CN 201610331097 A CN201610331097 A CN 201610331097A CN 105840402 A CN105840402 A CN 105840402A
Authority
CN
China
Prior art keywords
gear
pivoted frame
lower platform
slide bar
platform
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.)
Granted
Application number
CN201610331097.3A
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Chinese (zh)
Other versions
CN105840402B (en
Inventor
史益典
张慧铭
关世伟
隋博宇
张立军
刘振东
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China University of Petroleum East China
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China University of Petroleum East China
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Filing date
Publication date
Application filed by China University of Petroleum East China filed Critical China University of Petroleum East China
Priority to CN201610331097.3A priority Critical patent/CN105840402B/en
Publication of CN105840402A publication Critical patent/CN105840402A/en
Application granted granted Critical
Publication of CN105840402B publication Critical patent/CN105840402B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F03B13/16Adaptations 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 using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18Adaptations 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 using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1845Adaptations 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 using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
    • 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
    • F03B13/22Adaptations 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 using the flow of water resulting from wave movements to drive a motor or turbine
    • 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • 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

Abstract

The invention relates to a novel mechanical wave power generation device. The novel mechanical wave power generation device mainly comprises a lower platform transmission mechanism, first generators, gearboxes, a wind transducer, an upper platform, a horizontal rotating mechanism, a storage battery, a lower platform, a buoyancy tank sleeve, a buoyancy tank, a platform pillar, a yawing mechanism and the like, wherein the lower platform transmission mechanism, the gearboxes, the first generators and the storage battery are located on the lower platform; the yawing mechanism is located at the position, above the lower platform, in the platform pillar; the horizontal rotating mechanism is located above the yawing mechanism and can realize collection of energy in the horizontal direction of ocean current; and the wind transducer is located on the upper platform to induce the wind direction. Compared with an existing wave power generation device, the novel mechanical wave power generation device can realize multi-aspect, bidirectional and efficient wave energy collection and automatically adapt to the wave direction.

Description

A kind of mechanical wave energy generating set
Technical field
The present invention relates to a kind of emerging energy TRT, utilize ocean wave to send out particularly to one The device of electricity.
Background technology
Wave energy belongs to inexhaustible, nexhaustible green novel energy source.Exploitation to wave energy The energy scarcity of China can be alleviated, reduce greenhouse gas emission and be conducive to the exploitation to ocean.Existing Oscillaton water column type device generating efficiency low;Landform is required too high by poly-ripple reservoir formula device, the suitability The strongest;Pendulum device is the lowest for the absorption of wave energy;Cast anchor mooring formula device location difficulty, Catching can efficiency susceptible.In terms of transmission, hydraulic drive not easy-maintaining, and it is restricted to catch energy efficiency. Additionally, majority catches energy device can only collect the energy of a wave horizontally or vertically aspect, even only The unidirectional collection of energy, and can not adjust in time according to wave direction, greatly have impact on catching of ocean wave Can efficiency.
Summary of the invention
Goal of the invention: present invention seek to address that the problems referred to above, it is provided that a kind of mechanical wavy hair Electric installation, its energy collection wave energy many-sided, two-way, efficient also adapts to wave direction automatically.
Technical scheme: a kind of mechanical wave energy generating set that the present invention provides specifically includes that Lower platform drive mechanism, the first electromotor, gear-box, wind transducer, upper mounting plate, horizontally rotate Mechanism, accumulator, lower platform, buoyancy tank sleeve, buoyancy tank, studdle and Yawing mechanism etc., described Lower platform drive mechanism, gear-box, the first electromotor and accumulator are positioned at lower platform, described driftage Mechanism is positioned at the studdle of more than lower platform, and described wind transducer is positioned on upper mounting plate;
Described studdle is fixed on the seabed of coastal waters wind and wave field, and described buoyancy tank is round pie, Ge Zhefu Housing-case cylinder is limited on studdle, on described lower platform fixed platform pillar;
Described lower platform drive mechanism includes vertical guide rod, horizontal guide, slide bar sleeve, slide bar and tooth Wheel disc, described vertical guide rod bottom is hinged with buoyancy tank, and upper end is affixed with horizontal guide, and described level is led Bar is affixed with slide bar sleeve, and described slide bar is arranged in slide bar sleeve, slide bar two ends and two toothed disc hinges Connect;
Described gear-box mainly includes input gear, power shaft, output shaft, three bevel gears and two Unilateral bearing, described input gear and two toothed discs all engage and affixed with power shaft, described power shaft Keyed jointing coaxial with unilateral bearing, described unilateral bearing is embedded in bevel gear inner circle, and two unilateral bearings can turn In opposite direction, described output shaft one end is affixed with another bevel gear, the other end and the first generator amature Affixed, above three bevel gear can be intermeshed, and described first electromotor is fixed on lower platform;
Described Yawing mechanism mainly include yaw motor, gear ring, central gear, planetary gear supporting plate and Planetary gear, described central gear is connected with yaw motor rotor coaxial, and described gear ring is solid by bolt Being scheduled on studdle, described planetary gear supporting plate is fixed on studdle in space, described planet Gear is fixed on planetary gear supporting plate and engages with gear ring and central gear;
Described rotation mechanism in vertical shaft mainly include pivoted frame pedestal, upper pivoted frame, lower pivoted frame, balance gear and Baffle plate;Described pivoted frame pedestal is fixed on gear ring, and two pedestals are up and down and stagger in left and right, described upper pivoted frame Being placed on corresponding pedestal with lower pivoted frame, the external toothing of upper pivoted frame bottom indexes with the ring gear of lower pivoted frame Circular diameter is identical to realize synchronous axial system, therebetween by two balance gear transmissions, described upper pivoted frame Top ring gear engages with output gear, it is achieved being exported by pivoted frame kinetic energy, described baffle plate has two grooveds Slideway, it is ensured that upper pivoted frame and the lower corresponding pivoted arm of pivoted frame two interior slidably;
Described second electromotor is positioned at inside upper mounting plate, and its rotor passes through two bevel gears and output gear Transmission realizes kinetic energy output in above-mentioned horizontal drive mechanism, and described wind transducer is fixed on upper mounting plate Portion, to during when change of the wind, wind transducer senses wind direction, transmits a signal to programmable controller Send the operating of order-driven yaw motor, make two pivoted frame pedestal lines of centres remain perpendicular to wave level fortune Dynamic direction, its electric energy is provided by accumulator.
Beneficial effect: the mechanical wave energy generating set that the present invention provides has the advantage that 1, Use wind transducer sensing wind direction to determine current direction, control the automatic adjustment direction of yaw device, Stream is met in realization, improves wave horizontal direction energy absorption efficiency;2, gear-box is used, it is achieved by buoyancy tank And the one-way movement that bidirectional reciprocating conversion of motion is gearbox output shaft of drive mechanism, improve first Generator efficiency;3, the potential difference utilizing correspondence two pivoted arm of the bias upper and lower pivoted frame of synchronization is met head-on at ocean current Time produce pressure differential promote pivoted frame rotate, it is achieved energy of ocean current collect;4, diameter and buoyancy tank row are used The toothed disc that journey is close realizes that buoyancy tank linear motion is converted to toothed disc and rotates, and can effectively play Buffering and the effect accelerating gearbox input shaft rotating speed.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is partial structurtes schematic diagram in lower platform of the present invention;
Fig. 3 is gear-box partial structurtes schematic diagram of the present invention;
Fig. 4 is Yawing mechanism partial structurtes schematic diagram of the present invention;
Fig. 5 is rotation mechanism in vertical shaft partial structurtes schematic diagram of the present invention;
Fig. 6 is that the present invention removes upper mounting plate partial structurtes schematic diagram;
Fig. 7 is upper mounting plate internal structure schematic diagram of the present invention;
Fig. 8 is that the present invention goes off course control principle drawing.
Symbol description: 1, lower platform drive mechanism, the 2, first electromotor, 3, gear-box, 4, wind To sensor, 5, upper mounting plate, 6, rotation mechanism in vertical shaft, 7, accumulator, 8, lower platform, 9, floating Housing-case cylinder, 10, buoyancy tank, 11, studdle, 12, Yawing mechanism, 1 (1), vertical guide rod, 1 (2), Horizontal guide, 1 (3), slide bar sleeve, 1 (4), slide bar, 1 (5), toothed disc, 3 (1), one-way shaft Hold, 3 (2), power shaft, 3 (3), bevel gear, 3 (4), input gear, 3 (5), output shaft, 5 (1), Output gear, 5 (2), bevel gear, 5 (3), the second electromotor, 6 (1), lower pivoted frame, 6 (2), with Step gear, 6 (3), upper pivoted frame, 6 (4), pivoted frame pedestal, 6 (5), baffle plate, 12 (1), gear ring, 12 (2), Central gear, 12 (3), planetary gear, 12 (4), planetary gear supporting plate, 12 (5), yaw motor.
Detailed description of the invention
The invention will be further described with example below in conjunction with the accompanying drawings:
As shown in figs. 1-7, a kind of mechanical wave energy generating set that the present invention provides mainly wraps Include: lower platform drive mechanism the 1, first electromotor 2, gear-box 3, wind transducer 4, upper mounting plate 5, Rotation mechanism in vertical shaft 6, accumulator 7, lower platform 8, buoyancy tank sleeve 9, buoyancy tank 10, studdle 11, With Yawing mechanism 12, described lower platform drive mechanism 1, gear-box the 3, first electromotor 2 and accumulator 7 are positioned on lower platform 8, and described Yawing mechanism 12 is positioned at the studdle 11 of lower platform more than 8, Described wind transducer 4 is positioned on upper mounting plate 5;
Described studdle 11 is squeezed in the seabed of coastal waters wind and wave field, described buoyancy tank 10 in round pie, It is limited on studdle across buoyancy tank sleeve 9, on described lower platform 8 fixed platform pillar 11.Floating The horizontal motion of wave can be separated straightened portion component by the warping edge of case 10, both can subtract Few wave motion can also increase buoyancy tank energy absorption efficiency to the impact of buoyancy tank 10.Buoyancy tank 10 is with flat Platform pillar 11 has constantly friction and corrosion, added with buoyancy tank sleeve 9 can be with dismounting and change, it is possible to Preferably protecting platform.
Described lower platform drive mechanism 1 includes vertical guide rod 1 (1), horizontal guide 1 (2), slide bar sleeve 1 (3), slide bar 1 (4) and toothed disc 1 (5), described vertical guide rod 1 (1) bottom is hinged with buoyancy tank 10, Upper end is affixed with horizontal guide 1 (2), and described horizontal guide 1 (2) is affixed with slide bar sleeve 1 (3), described Slide bar 1 (4) is arranged in slide bar sleeve 1 (3), it is possible to smooth mobile in slide bar sleeve 1 (3), sliding Bar two ends are hinged with two toothed discs 1 (5), and the core difference of homonymy two toothed disc 1 (5) should be with horizontal guide 1 (2) Length is equal, and the diameter of toothed disc 1 (5) should be greater than the stroke that buoyancy tank 10 moves up and down, and avoids buoyancy tank 10 drive guide rod to impact too quickly to toothed disc 1 (5), and with this, toothed disc 1 (5) is upper and slide bar 1 (3) connects Connect involve a little compared to buoyancy tank 10 vertical motion identical in the case of, total travel is longer, just Can suitably increase the rotating speed of gear-box 3 input gear 3 (4).
Described gear-box 3 mainly includes input gear 3 (4), power shaft 3 (2), output shaft 3 (5), three Bevel gear 3 (3) and two unilateral bearings 3 (1), described input gear 3 (4) all engages with two toothed discs 1 (5) And affixed with power shaft 3 (2), described power shaft 3 (2) and the coaxial keyed jointing of unilateral bearing 3 (1), described list Being embedded in bevel gear 3 (3) inner circle to bearing 3 (1), two unilateral bearing usable rotational direction are contrary, described defeated Shaft 3 (5) one end is affixed with a bevel gear, and the other end and the first electromotor 2 rotor are affixed, and above-mentioned three Individual bevel gear can be intermeshed, and with this, no matter input gear 3 (4) rotating all can be converted into output shaft The one-directional rotation of 3 (5), described first electromotor 2 is fixed on lower platform 8.
Described Yawing mechanism 12 mainly includes yaw motor 12 (5), gear ring 12 (1), central gear 12 (2), planetary gear supporting plate 12 (4) and planetary gear 12 (3), described central gear 12 (2) and driftage Motor 12 (5) rotor coaxial is connected, and described gear ring 12 (1) can rotate coaxially on studdle 11, Described planetary gear supporting plate 12 (4) is fixed in studdle 11 upper hole, described planetary gear 12 (3) It is fixed on the axle of planetary gear supporting plate 12 (4), and engages with gear ring 12 (1) and central gear 12 (2).
Described rotation mechanism in vertical shaft 6 mainly includes pivoted frame pedestal 6 (4), upper pivoted frame 6 (3), lower pivoted frame 6 (1), balance gear 6 (2) and baffle plate 6 (5);Described pivoted frame pedestal 6 (4) is connected on gear ring by bolt On 12 (1), two pivoted frame pedestals are up and down and stagger in left and right, and described upper pivoted frame 6 (3) is pacified with lower pivoted frame 6 (1) It is placed on corresponding pedestal, the external toothing of upper pivoted frame 6 (3) bottom and the ring gear reference circle of lower pivoted frame 6 (1) Diameter is identical to realize synchronous axial system, therebetween by the transmission of two balance gears 6 (2), and described upper pivoted frame The top ring gear of 6 (3) engages with output gear 5 (1), it is achieved exported by pivoted frame kinetic energy, described baffle plate 6 (5) have two grooved slideways, it is ensured that upper pivoted frame 6 (3) and the lower corresponding pivoted arm free skating of pivoted frame 6 (1) two Dynamic, during two pivoted arm spacing maximums, wave is just meeting baffle plate 6 (5) head-on, and opposite side two pivoted arm spacing is Little, baffle plate 6 (5) incline is just to wave, and wave produces pressure differential to two side shields, promotes pivoted frame to rotate.
It is internal that described second electromotor 5 (3) is positioned at upper mounting plate 5, and its rotor passes through two bevel gears 5 (2) Realizing kinetic energy output in above-mentioned horizontal drive mechanism 6 with output gear 5 (1) transmission, described wind direction senses Device 4 is fixed on upper mounting plate 5 top, and to during when change of the wind, wind transducer 4 senses wind direction, Transmit a signal to programmable controller and send order-driven yaw motor 12 (5) operating, make two pivoted frame pedestals 6 (4) lines of centres remain perpendicular to wave horizontal movement direction, and its electric energy is provided by accumulator 7.
Describe the present invention the most by way of example, but the invention is not restricted to above-mentioned being embodied as Example, all any change or modification done based on the principle of the invention belong to claimed model Enclose.

Claims (4)

1. a mechanical wave energy generating set, it is characterised in that: lower platform drive mechanism, First electromotor, gear-box, wind transducer, upper mounting plate, rotation mechanism in vertical shaft, accumulator, lower flat Platform, buoyancy tank sleeve, buoyancy tank, studdle and Yawing mechanism etc., described lower platform drive mechanism, gear Case, the first electromotor and accumulator are positioned on lower platform, and described Yawing mechanism is positioned at the flat of more than lower platform In platform pillar, described rotation mechanism in vertical shaft is positioned at more than Yawing mechanism, can realize ocean current horizontal direction energy Collecting, described wind transducer is positioned on upper mounting plate sensing wind direction.
Lower platform drive mechanism the most according to claim 1, it is characterised in that: include vertically leading Bar, horizontal guide, slide bar sleeve, slide bar and toothed disc, described vertical guide rod bottom is hinged with buoyancy tank, Upper end is affixed with horizontal guide, and described horizontal guide is affixed with slide bar sleeve, and described slide bar is arranged on slide bar In sleeve, slide bar two ends are hinged with two toothed discs.
Gear-box the most according to claim 1, it is characterised in that: mainly include input gear, defeated Enter axle, output shaft, three bevel gears and two unilateral bearings, described input gear and two toothed discs all to nibble Closing and affixed with power shaft, described power shaft is coaxially connected with unilateral bearing flat key, described unilateral bearing Being embedded in bevel gear inner circle by flat key, two unilateral bearings can turn in opposite direction, described output shaft one end and Bevel gear is affixed, and the other end and the first generator amature are affixed, and above three bevel gear can be intermeshed, Described first electromotor is fixed on lower platform.
Rotation mechanism in vertical shaft the most according to claim 1, is primarily characterized in that: mainly include Pivoted frame pedestal, upper pivoted frame, lower pivoted frame, balance gear and baffle plate;Described pivoted frame pedestal is fixed on gear ring, Two pedestals are up and down and stagger in left and right, and described upper pivoted frame is placed on corresponding pedestal with lower pivoted frame, under upper pivoted frame The external toothing in portion is identical with the ring gear reference diameter of lower pivoted frame to realize synchronous axial system, therebetween by two Individual balance gear transmission, the top ring gear of described upper pivoted frame engages with output gear, it is achieved moved by pivoted frame Can output, described baffle plate has two grooved slideways, it is ensured that upper pivoted frame with including the lower corresponding pivoted arm of pivoted frame two Slidably.
CN201610331097.3A 2016-05-18 2016-05-18 A kind of mechanical wave energy generating set Expired - Fee Related CN105840402B (en)

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Application Number Priority Date Filing Date Title
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CN105840402B CN105840402B (en) 2019-07-19

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107019875A (en) * 2017-05-31 2017-08-08 中国石油大学(华东) A kind of new strolling body building apptss generated electricity
CN107061125A (en) * 2017-03-30 2017-08-18 中国石油大学(华东) A kind of new ocean wave energy is efficiently caught can TRT
CN107524556A (en) * 2017-09-14 2017-12-29 上海交通大学 A kind of new and effective float and stay-supported TRT and electricity-generating method
CN110103677A (en) * 2019-06-10 2019-08-09 上海延锋金桥汽车饰件系统有限公司 Air outlet and vehicle including it
CN112096556A (en) * 2019-06-17 2020-12-18 周良明 Modular small-sized wave energy and solar energy complementary power supply system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6551053B1 (en) * 2001-09-14 2003-04-22 C. Ed Schuetz Hydro-electric generator
CN100363613C (en) * 2005-10-28 2008-01-23 张雪明 Adaptive ocean current generator
CN102022248A (en) * 2010-09-25 2011-04-20 杨超 A floating type wave power generation system
CN102536614B (en) * 2012-01-06 2013-11-06 中国石油大学(华东) Wobble plate-type wave power device
CN105003389B (en) * 2015-07-20 2017-12-26 中国华能集团清洁能源技术研究院有限公司 A kind of offshore wind farm and Ocean Tidal Current Energy combined power generation device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107061125A (en) * 2017-03-30 2017-08-18 中国石油大学(华东) A kind of new ocean wave energy is efficiently caught can TRT
CN107019875A (en) * 2017-05-31 2017-08-08 中国石油大学(华东) A kind of new strolling body building apptss generated electricity
CN107524556A (en) * 2017-09-14 2017-12-29 上海交通大学 A kind of new and effective float and stay-supported TRT and electricity-generating method
CN110103677A (en) * 2019-06-10 2019-08-09 上海延锋金桥汽车饰件系统有限公司 Air outlet and vehicle including it
CN112096556A (en) * 2019-06-17 2020-12-18 周良明 Modular small-sized wave energy and solar energy complementary power supply system

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