CN103670892B - A kind of floatation type wave-power device - Google Patents

A kind of floatation type wave-power device Download PDF

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Publication number
CN103670892B
CN103670892B CN201310691056.1A CN201310691056A CN103670892B CN 103670892 B CN103670892 B CN 103670892B CN 201310691056 A CN201310691056 A CN 201310691056A CN 103670892 B CN103670892 B CN 103670892B
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hydraulicchange
hydraulic cylinder
high pressure
hydraulic
over valve
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CN103670892A (en
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高洪涛
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Dalian Maritime University
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Dalian Maritime University
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Abstract

The invention discloses a kind of floatation type wave-power device, floating drum including multiple sealings, chain connection between the plurality of floating drum, being symmetrically arranged with hydraulic system in described floating drum, hydraulic cylinder I, hydraulicchange-over valve I, high pressure accumulator, hydraulic motor, low pressure accumulator and check valve I constitute a closed circuit;Described hydraulic cylinder II, hydraulicchange-over valve II, high pressure accumulator, hydraulic motor, low pressure accumulator and check valve II constitute a closed circuit;Under duty: during floating drum motion, in hydraulic cylinder I and hydraulic cylinder II, piston rod reciprocating motion makes its internal hydraulic oil become high pressure conditions, high pressure liquid force feed flows to high pressure accumulator by hydraulicchange-over valve I and hydraulicchange-over valve II and carries out pressure regulation process, high pressure liquid force feed after pressure regulation drives hydraulic motor to rotate in entering hydraulic motor, and described hydraulic motor rotarily drives Generation of induction motor.

Description

A kind of floatation type wave-power device
Technical field
The present invention relates to TRT, particularly relate to a kind of floatation type wave-power device.
Background technology
Energy crisis is one of major crisis of facing of the whole world, along with the development of World Economics, demand for energy Be continuously increased, the drastically minimizing of fossil energy, energy problem become limit development of all countries economy Radix Clematidis Clarkeanae. Stepping into 21 century, develop conservation-minded society, development low-carbon economy becomes the consistent cry of various countries.At the energy Aspect, new forms of energy are constantly sought by various countries, using tapping a new source of energy as a long-term strategic objective.Ocean Can be the most recognized and be used as a kind of cleaning, regenerative resource.
Traditional rocking plate type wave-power device, mainly include rocker, hydraulic cylinder, pedestal, hydraulic motor, Asynchronous motor etc..Promote rocker to drive hydraulic cylinder to generate electricity by wave, wave is little when, pass through The gravity of self returns to original position, repeats said process, reach the purpose of generating when wave comes when.
Tradition rocking plate type TRT, requires that when building having suitable seashore builds pedestal, has quite Big quantities, cost and maintenance cost are of a relatively high, and in the ability of capture wave energy, because only Just can generate electricity the when that the wave having wavelength suitable coming, there is small range of wavelength applications scope.For Rips, rocker can not arrive precalculated position, and when wavelength is bigger, rocker may not pass through self gravitation Return to original position to realize continuous print generating effect, and wave and shaking can not be changed according to the direction of wave Relative position between plate, arrives optimal wave capture ability.
Summary of the invention
Have problems according to prior art, the invention discloses a kind of floatation type wave-power device, including many The floating drum of individual sealing, chain connection between the plurality of floating drum, it is provided with in described floating drum and contains hydraulic oil Hydraulic cylinder I and hydraulic cylinder II, the port of export of described hydraulic cylinder I and hydraulic cylinder II is changed with surging respectively by pipeline High pressure entry end to valve I and hydraulicchange-over valve II is connected, described hydraulicchange-over valve I and hydraulicchange-over valve II High-pressure outlet end be connected with high pressure accumulator by pipeline, described high pressure accumulator pass through pipeline and hydraulic pressure The arrival end of motor is connected, and the outfan of described hydraulic motor is connected with asynchronous machine, described hydraulic pressure horse The port of export reached is connected with low pressure accumulator by pipeline, and the port of export of described low pressure accumulator connects list To valve I and check valve II, described check valve I and check valve II by pipeline respectively with hydraulicchange-over valve I and liquid The low-pressure inlet end of dynamic reversal valve II is connected;The low-voltage output of described hydraulicchange-over valve I and hydraulic cylinder I Entrance point be connected;The low-voltage output of described hydraulicchange-over valve II is connected with the entrance point of hydraulic cylinder II.
Described hydraulic cylinder I, hydraulicchange-over valve I, high pressure accumulator, hydraulic motor, low pressure accumulator and unidirectional Valve I constitutes a closed circuit;Described hydraulic cylinder II, hydraulicchange-over valve II, high pressure accumulator, hydraulic motor, Low pressure accumulator and check valve II constitute a closed circuit;
Under duty: during the motion of described floating drum, in hydraulic cylinder I and hydraulic cylinder II, piston rod moves back and forth and makes it Internal hydraulic oil becomes high pressure conditions, and high pressure liquid force feed is flowed to by hydraulicchange-over valve I and hydraulicchange-over valve II High pressure accumulator carries out pressure regulation process, and the high pressure liquid force feed after pressure regulation drives hydraulic pressure horse in entering hydraulic motor Reaching rotation, described hydraulic motor rotarily drives Generation of induction motor.
Described hydraulic cylinder I and hydraulic cylinder II is symmetricly set in floating drum.
The outfan of described hydraulic motor is connected with described asynchronous machine by shaft coupling.
One end of the plurality of floating drum connects the mooring system having this TRT to position on sea.
Owing to have employed technique scheme, a kind of floatation type wave-power device that the present invention provides, use Multiple floating drum chain connections, utilize floating drum capture wave to make to produce between floating drum relative motion, make hydraulic pressure in floating drum Piston rod in cylinder moves back and forth so that it is internal hydraulic oil forms high pressure liquid force feed, through the high pressure of pressure regulation Hydraulic oil makes hydraulic motor rotate by hydraulic motor, and hydraulic motor drive motor generates electricity.Finally flow through unidirectional The low-pressure hydraulic oil of valve is back in hydraulic cylinder along hydraulicchange-over valve, constitutes closed circuit.The present invention uses It is low that technical scheme has cost of electricity-generating, the feature that generating efficiency is high.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to enforcement In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be only some embodiments described in the application, for those of ordinary skill in the art, On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of more piece floatation type wave-power device of the present invention.
Fig. 2 is the structural representation within floating drum of the present invention.
In figure: 1. hydraulic cylinder I;2. hydraulic cylinder II;3. hydraulicchange-over valve I;4. hydraulicchange-over valve II;5. High pressure accumulator;6. hydraulic motor;7. low pressure accumulator;8. check valve I;9. check valve II;10. floating drum; 11. asynchronous machines;12. mooring systems.
Detailed description of the invention
For making technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, Technical scheme in the embodiment of the present invention is carried out the most complete description:
The structural representation of floatation type wave-power device as shown in Figure 1, this device has multiple floating drum 10, By on multiple floating drum 10 chain connections, connecting in one end of this device and have mooring system 12, this device is on sea Upper capture wave makes to produce between multiple floating drum relative motion so that it is internal hydraulic system generating.
As in figure 2 it is shown, be symmetrically arranged with hydraulic cylinder I1 and hydraulic cylinder II2, hydraulic cylinder I1 in described floating drum 10 The port of export be connected with the high pressure entry end of hydraulicchange-over valve I3 by pipeline, the low pressure of hydraulicchange-over valve I3 The port of export is connected with the arrival end of hydraulic cylinder I1.The port of export of hydraulic cylinder II2 is surged by pipeline connection and changes To the high pressure entry end of valve II4;The low tension outlet end of hydraulicchange-over valve II4 and the arrival end phase of hydraulic cylinder II2 Connect.The high-pressure outlet end of hydraulicchange-over valve I3 and hydraulicchange-over valve II4 is by pipeline and high pressure accumulator 5 Being connected, high pressure accumulator 5 is connected by the arrival end of pipeline with hydraulic motor 6, hydraulic motor 6 Outfan is connected with asynchronous machine 11, and the port of export of hydraulic motor 6 passes through pipeline and low pressure accumulator 7 phase Connecting, the port of export of low pressure accumulator 7 connects check valve I8 and check valve II9, and check valve I8 is by pipe Road is connected with the low-pressure inlet end of hydraulicchange-over valve I3, and check valve II9 is by pipeline and hydraulicchange-over valve II4 Low-pressure inlet end be connected.
Therefore hydraulic cylinder I1, hydraulicchange-over valve I3, high pressure accumulator 5, hydraulic motor 6, low pressure accumulator 7 and check valve I8 constitute a closed circuit, hydraulic cylinder II2, hydraulicchange-over valve II4, high pressure accumulator 5, Hydraulic motor 6, low pressure accumulator 7 and check valve II9 constitute a closed circuit, at hydraulic cylinder I1 and hydraulic pressure Containing hydraulic oil in cylinder II2, when floating drum 10 moves, in hydraulic cylinder I1 and hydraulic cylinder II2, piston rod is reciprocal Motion makes its internal hydraulic oil become high pressure conditions, and high pressure liquid force feed is by hydraulicchange-over valve I3 and commutation of surging Valve II4 flows to high pressure accumulator 5 and carries out pressure regulation process, and the high pressure liquid force feed after pressure regulation enters hydraulic motor 6 Interior driving hydraulic motor 6 rotates, and hydraulic motor 6 rotarily drives asynchronous machine 11 and generates electricity.From hydraulic motor 6 The low-pressure hydraulic oil flowed out flows to check valve I8 and check valve II9 after low pressure accumulator 7 pressure regulation, the lowest Hydraulic fluid force feed respectively enters hydraulicchange-over valve I3 and hydraulicchange-over valve II4 again, finally returns to hydraulic cylinder I1 Generating is continued cycling through with in hydraulic cylinder II2.
Further, hydraulic cylinder I1 and hydraulic cylinder II2 is symmetricly set in floating drum 10,
Further, the outfan of hydraulic motor 6 is connected with described asynchronous machine 11 by shaft coupling.Liquid The input of pressure motor 6 and outfan are connected to high pressure accumulator 5 and low pressure accumulator 7 so that hydraulic pressure Motor 6 runs more steady, and generating quality is more preferable.
Further, one end that multiple floating drums 10 are connected connects mooring system 12.When this floatation type wave TRT is when sea works, and described mooring system 12 is for positioning on sea.
Floatation type wave-power device disclosed by the invention, uses multiple floating drum to be positioned on sea after being connected Capture wave-energy power generation, the hydraulic system within floating drum 10 uses symmetrical mode to design, forms two closings The hydraulic oil closed circuit of formula, or else this device needs to device internal injection hydraulic oil after putting into sea, Have only to the most regularly change hydraulic oil.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention Within the scope of.

Claims (4)

1. a floatation type wave-power device, it is characterised in that: include the floating drum (10) of multiple sealing, Chain connection between the plurality of floating drum (10), is provided with the liquid containing hydraulic oil in described floating drum (10) Cylinder pressure I(1) and hydraulic cylinder II(2), described hydraulic cylinder I(1) and hydraulic cylinder II(2) the port of export pass through Pipeline respectively with hydraulicchange-over valve I(3) and hydraulicchange-over valve II(4) high pressure entry end be connected, described Hydraulicchange-over valve I(3) and hydraulicchange-over valve II(4) high-pressure outlet end by pipeline and high pressure accumulator (5) Being connected, described high pressure accumulator (5) is connected by the arrival end of pipeline with hydraulic motor (6), institute The outfan stating hydraulic motor (6) is connected with asynchronous machine (11), going out of described hydraulic motor (6) Mouth end is connected with low pressure accumulator (7) by pipeline, and the port of export of described low pressure accumulator (7) connects Have check valve I(8) and check valve II(9), described check valve I(8) and check valve II(9) pass through pipeline Respectively with hydraulicchange-over valve I(3) and hydraulicchange-over valve II(4) low-pressure inlet end be connected;Described surge Reversal valve I(3) low-voltage output and hydraulic cylinder I(1) entrance point be connected;Described hydraulicchange-over valve II(4) low-voltage output and hydraulic cylinder II(2) entrance point be connected;
Described hydraulic cylinder I(1), hydraulicchange-over valve I(3), high pressure accumulator (5), hydraulic motor (6), Low pressure accumulator (7) and check valve I(8) constitute a closed circuit;Described hydraulic cylinder II(2), surge and change To valve II(4), high pressure accumulator (5), hydraulic motor (6), low pressure accumulator (7) and check valve II(9) Constitute a closed circuit;
Under duty: described floating drum (10) motion time hydraulic cylinder I(1) and hydraulic cylinder II(2) in piston Bar moves back and forth and makes its internal hydraulic oil become high pressure conditions, and high pressure liquid force feed passes through hydraulicchange-over valve I(3) With hydraulicchange-over valve II(4) flow to high pressure accumulator (5) and carry out pressure regulation process, the high-pressure and hydraulic after pressure regulation Oil drives hydraulic motor (6) to rotate in entering hydraulic motor (6), and described hydraulic motor (6) rotarily drives Asynchronous machine (11) generates electricity.
A kind of floatation type wave-power device the most according to claim 1, is further characterized in that: described Hydraulic cylinder I(1) and hydraulic cylinder II(2) be symmetricly set in floating drum (10).
A kind of floatation type wave-power device the most according to claim 1, is further characterized in that: described The outfan of hydraulic motor (6) is connected with described asynchronous machine (11) by shaft coupling.
A kind of floatation type wave-power device the most according to claim 1, is further characterized in that: described One end of multiple floating drums (10) connects the mooring system (12) having this TRT to position on sea.
CN201310691056.1A 2013-12-12 A kind of floatation type wave-power device Active CN103670892B (en)

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Application Number Priority Date Filing Date Title
CN201310691056.1A CN103670892B (en) 2013-12-12 A kind of floatation type wave-power device

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Application Number Priority Date Filing Date Title
CN201310691056.1A CN103670892B (en) 2013-12-12 A kind of floatation type wave-power device

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CN103670892A CN103670892A (en) 2014-03-26
CN103670892B true CN103670892B (en) 2016-11-30

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2494883Y (en) * 2001-08-22 2002-06-12 中国科学院广州能源研究所 External hydraulic wave power generating buoy
CA2779287A1 (en) * 2009-11-13 2011-05-19 Ceto Ip Pty Ltd Hydraulic apparatus
CN102287312A (en) * 2011-03-25 2011-12-21 上海海洋大学 Hydraulic wave energy generation device
CN102434366A (en) * 2011-11-18 2012-05-02 于作涛 Sea wave power generating method
CN102840089A (en) * 2012-08-29 2012-12-26 华北电力大学 Marine wind power generator set-based plug-in type wave energy power generation system
CN102926941A (en) * 2012-11-13 2013-02-13 盖争 Wind energy and wave energy hydraulic power supply device
CN103410653A (en) * 2012-12-06 2013-11-27 中国第一重型机械股份公司 Floating sea wave power generation device with force-amplifying mechanisms
CN203584676U (en) * 2013-12-12 2014-05-07 大连海事大学 Floating wave power generation device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2494883Y (en) * 2001-08-22 2002-06-12 中国科学院广州能源研究所 External hydraulic wave power generating buoy
CA2779287A1 (en) * 2009-11-13 2011-05-19 Ceto Ip Pty Ltd Hydraulic apparatus
CN102287312A (en) * 2011-03-25 2011-12-21 上海海洋大学 Hydraulic wave energy generation device
CN102434366A (en) * 2011-11-18 2012-05-02 于作涛 Sea wave power generating method
CN102840089A (en) * 2012-08-29 2012-12-26 华北电力大学 Marine wind power generator set-based plug-in type wave energy power generation system
CN102926941A (en) * 2012-11-13 2013-02-13 盖争 Wind energy and wave energy hydraulic power supply device
CN103410653A (en) * 2012-12-06 2013-11-27 中国第一重型机械股份公司 Floating sea wave power generation device with force-amplifying mechanisms
CN203584676U (en) * 2013-12-12 2014-05-07 大连海事大学 Floating wave power generation device

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