CN100400859C - Collapsible paddle ocean current energy generator - Google Patents

Collapsible paddle ocean current energy generator Download PDF

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Publication number
CN100400859C
CN100400859C CNB2006100525221A CN200610052522A CN100400859C CN 100400859 C CN100400859 C CN 100400859C CN B2006100525221 A CNB2006100525221 A CN B2006100525221A CN 200610052522 A CN200610052522 A CN 200610052522A CN 100400859 C CN100400859 C CN 100400859C
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China
Prior art keywords
straight
wheel hub
arm
current energy
ocean current
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Expired - Fee Related
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CNB2006100525221A
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Chinese (zh)
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CN1888420A (en
Inventor
刘宏伟
林勇刚
李伟
马舜
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • 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

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Abstract

The present invention discloses telescopic paddle sea-current energy power generation equipment. It mainly includes the following several portions: cylindrical-type wheel hub, flat-plate straight blades, blade stretching and contracting mechanism, stainless steel band wheel, power generator and tower frame. Said invention also provides the working principle of said sea-current energy power generation equipment and its concrete operation method.

Description

Collapsible paddle ocean current energy generator
Technical field
The present invention relates to hydro-electric power generating equipment, especially a kind of Collapsible paddle ocean current energy generator.
Background technique
Because the transition of fossil resource exploitation is on the verge of exhaustion and serious day by day by its environmental problem of bringing, the renewable energy sources of cleaning has obtained global attention.The ocean area takes up an area of 71% of ball, is breeding the huge energy.The energy by ocean current generating is of long duration, the form of development and use is a lot, based on turbomachine, on structure, can be divided into perpendicular axis type (the impeller rotary main shaft is vertical with water surface direction) and two kinds of horizontal shaft types (it is parallel with water (flow) direction and vertical that horizontal shaft type can be divided into the impeller rotary main shaft again).It is impeller rotations to the difference in torque to running shaft of the vertical blade generation of impeller both sides that perpendicular axis type utilizes current, because its main shaft both sides blade is subjected to bourn acting force simultaneously, the generating efficiency of mechanism is not high thus; The domestic tidal power station of once building and testing in Zhoushan, Zhejiang in 2005 has just adopted this kind structure.Another kind is exactly the horizontal axis structure, as " underwater windmill " is typical horizontal axis power generation device from sea current, its blade structure is similar to wind energy conversion system, impeller is whole sweep and face all in face of water, the efficient that current utilize is higher relatively, but because the bidirectional characteristic of trend, that must design complexity could at utmost catch its energy to water mechanism, as the horizontal shaft type " underwater windmill " of Britain MCT company development test in 2003.Also having a kind of is exactly the board-like mechanism of cylinder type fixed stop, must partly dive in water during this device work, all will be subjected to the reverse resistance of current to it when blade water inlet and water outlet, and this type structure influenced by flux and reflux very big.
Summary of the invention
The object of the present invention is to provide a kind of Collapsible paddle ocean current energy generator, utilize horizontal shaft type cylinder type, its running shaft is vertical with water (flow) direction.
The technical solution adopted for the present invention to solve the technical problems is: the present invention is evenly embedded in the cylindrical shape wheel hub by 4 above even number sheet rectangle straight-arms and forms impeller, the straight-arm root that is symmetrically distributed is connected with the piston rod two ends of two rod oil hydraulic cylinders respectively or the straight-arm root that is symmetrically distributed is connected with extension spring one end respectively, and the other end of extension spring is connected with main shaft; Can make the rectangle straight-arm periodically flexible by dual-rod hydraulic cylinder or extension spring along the fluting on the roll circumference, the main shaft of cylinder type wheel hub is fixed on the pylon of both sides, the upper end of two pylons is provided with generator respectively, and the cylndrical surface, both sides of cylinder type wheel hub is with synchronously with stainless steel and is linked to each other with the belt wheel of two generators respectively.
Two chambeies link to each other with hydraulic oil source on the pylon platform respectively through solenoid directional control valve by hydraulic pipe line about the piston rod of described every pair of two rod oil hydraulic cylinders, and the hydraulic pressure delivery side of pump is connected with relief valve and solenoid directional control valve respectively.
Described 4 above even number sheet rectangle straight-arms are 4,6 or 8.
The present invention compares the beneficial effect that has with background technique:
1. mechanism's installation is simple, reliability is high, easy to maintenance.
2. be fit to two-way energy by ocean current utilization, not influenced by the morning and evening tides SEA LEVEL VARIATION.
3. partly dive in water as impeller, since the extension and contraction control of straight-arm, the resistance when reducing straight-arm water inlet and water outlet; All pull the plug as impeller, then can eliminate the resistance that current produce wheel hub top blade simultaneously; Improve generating efficiency.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a structural principle schematic representation of the present invention;
Fig. 2 is a hydraulic drive type blade expansion device;
Fig. 3 is one group of two rod Driven by Hydraulic Cylinder asphalt principle figure
Fig. 4 is a spring gravity type blade expansion device
Among the figure: 1, straight-arm, 2, the cylinder type wheel hub, 3, stainless steel is with synchronously, 4, pylon, 5, main shaft, 6, generator belt wheel, 7, two rod oil hydraulic cylinder, 8, extension spring, 9, generator, 10, solenoid directional control valve, 11, oil hydraulic pump, 12, relief valve, 13, baffle plate
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As Fig. 1, Fig. 2, shown in Figure 4, the present invention is evenly embedded by 4 above even number sheet rectangle straight-arms 1 and forms impeller in the cylindrical shape wheel hub 2, the straight-arm root that is symmetrically distributed is connected with the piston rod two ends of two rod oil hydraulic cylinders 7 respectively or the straight-arm root that is symmetrically distributed is connected with extension spring 8 one ends respectively, and the other end of extension spring 8 is connected with main shaft 5; Can make rectangle straight-arm 1 periodically flexible by dual-rod hydraulic cylinder 7 or extension spring 8 along the fluting on the roll circumference, the main shaft of cylinder type wheel hub 2 is fixed on the both sides pylon 4, the upper end of two pylons 4 is provided with generator 9 respectively, and the cylndrical surface, both sides of cylinder type wheel hub 2 links to each other with the generator belt wheel 6 of two generators 9 respectively with 3 synchronously with stainless steel.
As shown in Figure 3, two chambeies link to each other with hydraulic oil source on pylon 4 platforms respectively through solenoid directional control valve 10 by hydraulic pipe line about the piston rod of described every pair of two rod oil hydraulic cylinders 7, and the output terminal of oil hydraulic pump 11 is connected with relief valve 12 and solenoid directional control valve respectively.
Described 4 above even number sheet rectangle straight-arms 1 are 4,6 or 8.
Under the effect of ocean current, by the impeller rotation that 4 above even number sheet rectangle straight-arms 1 and cylindrical shape wheel hub 2 are formed, rotatablely moving of cylindrical shape wheel hub 2 is with 3 transmissions to pass to generator 9 by stainless steel synchronously; In the impeller rotary course, when straight-arm 1 was positioned at the top of cylinder type wheel hub 2, under the effect of extending means, retraction was in wheel hub 2; When being positioned at the wheel hub below, straight-arm 1 stretches out; Because the monolateral stressed generation rotation of impeller drives generator 9 synchronously by stainless steel and rotates generating.
According to the flexible oar power generation device from sea current of power level design of the ocean current characteristic and the unit that requires, the blade extending means can adopt mechanical spring formula structure and two kinds of schemes of hydraulic type structure.
Fig. 2 and Fig. 4 are respectively A-A sectional view shown in Figure 1, and Fig. 2 is the hydraulic type structure, and Fig. 4 is a mechanical spring formula structure, and the supposition flow direction is vertical paper direction.
In Fig. 2 hydraulic type structure, the piston rod two ends of two rod oil hydraulic cylinders 7 are connected with the straight-arm root that is symmetrically distributed respectively, the characteristics of motion of hydraulic cylinder piston rod is realized by the action of hydraulic driving oil circuit by solenoid directional control valve 10 that is placed on pylon 4 tip platforms, radially makes telescopic slide thereby the hydraulic piston rod cylinder drives straight-arm along cylinder.Because six straight-arm 1 formula distributions symmetrically and evenly on the wheel hub, the root of symmetry straight-arm links to each other with two external parts of piston rod of two rod oil hydraulic cylinders 7 respectively, therefore when symmetrical straight-arm wherein one be positioned at when stretching out below the wheel hub, another must be retraction state (as shown in Figure 2) above wheel hub, thereby ocean current drives straight-arm 1, drives 2 rotations of cylinder type wheel hub.
In the mechanical spring formula structure shown in Figure 4, the straight-arm root connects spring 8, and under the synergy of gravity and spring force, straight-arm is made fore and aft motion, and by 13 position limitation protections of baffle plate and leading role.Extension spring 8 works to hinder straight-arm 1 and stretches out.When straight-arm 1 was in cylinder type wheel hub 2 tops, under the acting in conjunction of straight-arm 1 gravity and spring force, straight-arm 1 was withdrawn in the cylinder type wheel hub 2; And along with straight-arm 1 forwards wheel hub below gradually to, because the gravity of straight-arm 1 constantly increases along the component of its glide direction, make straight-arm 1 overcome spring force and skid off outside the wheel hub; When straight-arm 1 when minimum point is upwards rotated, gravity constantly reduces along the component of straight-arm 1 glide direction, under the effect of spring force, straight-arm 1 withdrawal.
Unit is installed in selection seawater velocity, the place that the depth of water is suitable, squeeze into two pylons 4, the diameter of pylon 4 and bury the native degree of depth according to ocean current to the axial action of straight-arm and ocean current, wave active force to pylon 4, carrying out strength check draws, the pylon platform height can be higher than also can be lower than water level, but when being lower than water level, generator must seal, and must guarantee simultaneously the lowest water level when root of blade below the wheel hub is lower than ebb tide.On the main shaft fixed gantry 4 on drum type wheel hub 2 both sides, as shown in Figure 1.
Above-mentioned embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.

Claims (3)

1. Collapsible paddle ocean current energy generator, it is characterized in that: evenly embed by 4 above even number sheet rectangle straight-arms (1) and form impeller in the cylindrical shape wheel hub (2), the straight-arm root that is symmetrically distributed is connected with the piston rod two ends of two rod oil hydraulic cylinders (7) respectively or the straight-arm root that is symmetrically distributed is connected with extension spring (8) one ends respectively, and the other end of extension spring (8) is connected with main shaft (5); Can make rectangle straight-arm (1) periodically flexible by two rod oil hydraulic cylinders (7) or extension spring (8) along the fluting on the roll circumference, the main shaft of cylinder type wheel hub (2) is fixed on the both sides pylon (4), the upper end of two pylons (4) is provided with generator (9) respectively, and the cylndrical surface, both sides of cylinder type wheel hub (2) links to each other with the generator belt wheel (6) of two generators (9) respectively with (3) synchronously with stainless steel.
2. a kind of Collapsible paddle ocean current energy generator according to claim 1, it is characterized in that: two chambeies link to each other with hydraulic oil source on pylon (4) platform respectively through solenoid directional control valve (10) by hydraulic pipe line about the piston rod of described every pair of two rod oil hydraulic cylinders (7), and the output terminal of oil hydraulic pump (11) is connected with relief valve (12) and solenoid directional control valve respectively.
3. a kind of Collapsible paddle ocean current energy generator according to claim 1 is characterized in that: described 4 above even number sheet rectangle straight-arms (1) are 4,6 or 8.
CNB2006100525221A 2006-07-18 2006-07-18 Collapsible paddle ocean current energy generator Expired - Fee Related CN100400859C (en)

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Application Number Priority Date Filing Date Title
CNB2006100525221A CN100400859C (en) 2006-07-18 2006-07-18 Collapsible paddle ocean current energy generator

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CN100400859C true CN100400859C (en) 2008-07-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2812528C1 (en) * 2022-11-12 2024-01-30 Александр Александрович Миронов Rotary power generator with adjustable sail area

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102840084A (en) * 2012-08-31 2012-12-26 柳州市京阳节能科技研发有限公司 Effusive flow double-driving energy-saving power generation device
CN103758679B (en) * 2014-01-23 2016-08-10 山东大学 A kind of vane telescopic tidal current energy power generation
CN104454299B (en) * 2014-10-29 2016-10-05 西北工业大学 The submarine navigation device vertical axis power generation device from sea current of direct-drive type
CN104533692B (en) * 2014-10-29 2016-08-17 西北工业大学 Vertical axis power generation device from sea current for submarine navigation device
CN104454306A (en) * 2014-12-03 2015-03-25 哈尔滨工程大学 Rotary guide rod type blade telescopic mechanism and tidal power generator adopting same
CN112412681A (en) * 2020-10-26 2021-02-26 西安交通大学 Hydraulic power generation device with telescopic blades of water turbine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5954777A (en) * 1982-09-20 1984-03-29 Seijiro Matsumura Interlocked water wheel generator
CN2037397U (en) * 1987-07-15 1989-05-10 卢航 Reversible waterpower machine
US5324164A (en) * 1991-06-13 1994-06-28 Doering John N Fluid active device
JPH10331756A (en) * 1997-05-30 1998-12-15 Teruhide Horiei Liquid energy converting device
JP2002202042A (en) * 2000-12-28 2002-07-19 Kaoru Nishimura Hydraulic power device
CN2937536Y (en) * 2006-07-18 2007-08-22 浙江大学 Expansion propeller current energy generating device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5954777A (en) * 1982-09-20 1984-03-29 Seijiro Matsumura Interlocked water wheel generator
CN2037397U (en) * 1987-07-15 1989-05-10 卢航 Reversible waterpower machine
US5324164A (en) * 1991-06-13 1994-06-28 Doering John N Fluid active device
JPH10331756A (en) * 1997-05-30 1998-12-15 Teruhide Horiei Liquid energy converting device
JP2002202042A (en) * 2000-12-28 2002-07-19 Kaoru Nishimura Hydraulic power device
CN2937536Y (en) * 2006-07-18 2007-08-22 浙江大学 Expansion propeller current energy generating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2812528C1 (en) * 2022-11-12 2024-01-30 Александр Александрович Миронов Rotary power generator with adjustable sail area
RU2827283C1 (en) * 2024-01-31 2024-09-23 Александр Александрович Миронов Rotary air-water power plant

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