CN103670892B - A kind of floatation type wave-power device - Google Patents
A kind of floatation type wave-power device Download PDFInfo
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- 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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- 238000007667 floating Methods 0.000 claims abstract description 31
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000001808 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002441 reversible Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 241000903946 Clematidis Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001351 cycling Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001172 regenerating Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000001429 stepping Effects 0.000 description 1
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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310691056.1A CN103670892B (en) | 2013-12-12 | A kind of floatation type wave-power device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310691056.1A CN103670892B (en) | 2013-12-12 | A kind of floatation type wave-power device |
Publications (2)
Publication Number | Publication Date |
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CN103670892A CN103670892A (en) | 2014-03-26 |
CN103670892B true CN103670892B (en) | 2016-11-30 |
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Citations (8)
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)
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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