CN1069119C - Sea wave power generator - Google Patents
Sea wave power generator Download PDFInfo
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- CN1069119C CN1069119C CN98112040A CN98112040A CN1069119C CN 1069119 C CN1069119 C CN 1069119C CN 98112040 A CN98112040 A CN 98112040A CN 98112040 A CN98112040 A CN 98112040A CN 1069119 C CN1069119 C CN 1069119C
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- pressure oil
- oil
- low pressure
- buoyancy aid
- hydraulic cylinder
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention provides an electricity generating device using sea waves, which comprises a united floating body and a hydraulic system, wherein the united floating body is formed by rigidly connecting elements. Each of the elements is composed of a hollow buoy, a steel pipe of a centre shaft, a counterweight floating body, a hydraulic cylinder body, a piston, a piston push rod and a waterproof protecting jacket. The steel pipe of a centre shaft is fixed with the upper end of the hollow buoy, and symmetrical slotted holes are arranged on the steel pipe of a centre shaft. The counterweight floating body is sheathed outside the steel pipe of a centre shaft and slides upward and downward. The hydraulic cylinder body is arranged in the steel pipe of a centre shaft and is fixed at the upper end of the hollow buoy, and the bottom of the hydraulic cylinder body is provided with an oil discharging pipe for high pressure oil and an oil inlet pipe for low pressure oil. The piston is matched with the hydraulic cylinder body. One end of the piston push rod is connected with the piston, and the other end is fixed on the counterweight floating body. One end of the waterproof protecting jacket is fixed at the upper end of the hydraulic cylinder body, and the other end is fixed at the upper end of the piston push rod.
Description
The present invention relates to a kind of electricity generating device, particularly relate to a kind of Wave power generation device.
It is pollution-free to utilize wave to generate electricity as power source, Chinese patent CN1082148 has introduced a kind of Wave power generation device, it by vertically be installed in the buoyancy substrate relatively each limit vertical buoyancy tube with much the oil hydraulic cylinder that has the water inlet that is installed on the crossbar that is connected vertical buoyancy tube is formed, each oil hydraulic cylinder has a box type piston bar that has a water inlet and a folding pressure plate, strut is installed in the bottom of crossbar versatilely, and be plugged in the elongated hole of buoyancy plate, this structure makes that the buoyancy plate can be along the strut vertical movement, the upper end activity of box type piston bar is in the bottom that is connected in the buoyancy plate, and be connected with flexible pipe, the water main of this flexible pipe and pressure collector pipe links, and is provided with the generator of big capacity and small capacity in a side of pressure collector pipe.Its working principle is, when the buoyancy plate is promoted by wave and is for vertical movement, the box type piston bar is vertical movement in oil hydraulic cylinder thereupon also, form the water pump effect, therefore, the seawater that enters oil hydraulic cylinder continues to flow into water main, and then the feed pressure collector pipe, utilizes the driving force that is discharged into current generation when being put into waste water pipe to make generator for electricity generation.This device is the buoyancy pulling sea water hydraulic cylinder that utilizes kickboard, provides press water to drive oil hydraulic motor.In fact framework is impossible be anchored in the deep water of several kms, and problems such as marine in addition interior ripple and ocean current, because framework can not be fixed, under the effect of wave, kickboard just can not be done relative movement with framework, can not the compression piston pump, so can't work at all in the abyssal region.Moreover the stormy waves in the ocean and the one-period of surging are 7～11 seconds, and the per minute number of times is very limited, and therefore, the industrial value of this device must be cherished with fixed attention.
The object of the present invention is to provide a kind ofly need not be fixed in the ocean, utilize the wave collecting energy, produce pressure oil to hydraulic system and generate electricity, have the Wave power generation device of industrial value.
Wave power generation device of the present invention is achieved in that and comprises power collecting device and hydraulic system.The power collecting device is the associating buoyancy aid that is formed by connecting through rigidity by cell cube.Cell cube is by hollow pontoon; fixing with hollow pontoon upper end has the axis of symmetrical slotted hole steel pipe on it; be enclosed within the counterweight buoyancy aid that the axis steel pipe is outer and slide up and down; be arranged in the axis steel pipe and be fixed on the hydraulic cylinder that high pressure oil oil outlet tube and low pressure oil oil inlet pipe are arranged at its bottom, hollow pontoon upper end; the piston that cooperates with hydraulic cylinder; one end is fixedlyed connected with piston; the piston push rod that the other end is fixedlyed connected with the counterweight buoyancy aid; and one end be fixed on hydraulic cylinder upper end; the waterproofing guaranteeding jacket that the other end is fixed on the piston push rod upper end constitutes, and the high pressure oil oil outlet tube is connected with hydraulic system with the low pressure oil oil inlet pipe.Wherein, the other end of piston push rod is to fixedly connected by the symmetrical slotted hole counterweight buoyancy aid outer with being enclosed within the axis steel pipe with key pin with fixedlying connected of counterweight buoyancy aid, on the one hand the counterweight buoyancy aid is slided up and down along the axis steel pipe by key pin, drive piston push rod by key pin again on the other hand and slide up and down with the counterweight buoyancy aid and move up and down, thereby make piston up-down in the hydraulic cylinder.Waterproofing guaranteeding jacket is the foldable waterproof protecting jacket, prevents that seawater from entering hydraulic pressure body cylinder on the one hand, does not influence counterweight buoyancy aid promotion piston push rod on the other hand and moves up and down.The associating buoyancy aid is to constitute by interfixing by the rigidity cant beam between the adjacent cells body, and promptly the two ends of rigidity cant beam are separately fixed on the hollow pontoon of two adjacent cell cubes, have best force way, makes it to form a rigidity associating buoyancy aid that scope is bigger.The associating buoyancy aid floats on big ocean surface, and greater than several wave wavelength, vertically insert in the water by the hollow pontoon that constitutes monomer on the X-Y direction for volume, and length should be greater than 1/4 wave wavelength, so that the associating buoyancy aid is not subjected to the wave effect and floating.The associating buoyancy aid can use global satellite orientation device (GPS) and universally push away nearly device and accurately locate in the ocean.When wave rises, the counterweight buoyancy aid reduces to zero to the active force of associating buoyancy aid from T (weight of counterweight buoyancy aid), when wave falls, the counterweight buoyancy aid increases from zero to T to the active force of associating buoyancy aid, when the quantity of counterweight buoyancy aid is abundant, along with the regular fluctuation of wave large size, its aggregate is a steady state value to the active force of associating buoyancy aid, this steady state value just can guarantee the static of the relative counterweight buoyancy aid of associating buoyancy aid, counter-force is provided, thereby guarantees of the effective compression of counterweight buoyancy aid hydraulic cylinder; Hydraulic system comprises generator, oil hydraulic motor, low pressure oil storage tank, high-voltage energy storage device, high-pressure oil passage, low pressure oil circuit and valve, annexation between them is, the low pressure oil oil inlet pipe is after the one-way valve parallel connection, connect the low pressure oil storage tank by the low pressure oil circuit, the low pressure oil storage tank is connected with the weary oil export of oil hydraulic motor simultaneously, the high pressure oil oil outlet tube of each hydraulic cylinder is after the one-way valve parallel connection, be connected with oil hydraulic motor through high-voltage energy storage device, solenoid valve by high-pressure oil passage, oil hydraulic motor is connected with generator simultaneously, is connected with relief valve between high-pressure oil passage and low pressure oil circuit.
The working principle of Wave power generation device of the present invention is, wave shows as with one climax following another on a vast face, and differential is on a limited area time, show as the variation up and down of water level, the counterweight buoyancy aid shows as with floating about the ripple, is that water holds up the counterweight buoyancy aid in the time of upwards, be that wave overcomes gravity acting the counterweight buoyancy aid is upwards lifted, the counterweight buoyancy aid obtains potential energy, and by the key pin that is positioned at axis steel pipe slotted hole piston push rod is pulled upwardly, and makes hydraulic cylinder suck low pressure oil; When the counterweight buoyancy aid moved downward, because hydraulic cylinder output high pressure oil, when the gravity that only presses down reached certain amount, the counterweight buoyancy aid just may press down piston rod.So when wave descended, the counterweight buoyancy aid did not and then descend, but be subjected to the jacking of hydraulic cylinder to be suspended in the there, diminish up to buoyancy, gravity reaches one regularly, and the counterweight buoyancy aid just begins the acting of falling, the output high pressure oil.The associating buoyancy aid provides counter-force for the oil hydraulic cylinder body.This shows in order to obtain required gravity, need the certain wave of loss high, and the associating buoyancy aid provides counter-force for this reason, make its effective compression, the high pressure oil that pumps enters hydraulic system, drives oil hydraulic motor, drive generator for electricity generation by oil hydraulic motor, and ashore carry by submerged cable.When wave becomes big, can open more oil hydraulic motor by automatic control system, drive the greater power generation unit; When wave is big unusually, exceed when designing CLV ceiling limit value, Decompression valves is opened, directly to the pressure release of low pressure oil storage tank, to guarantee hydraulic system safety; Less than normal when wave, do not reach system's acting and exert oneself when requiring, the whole system internal pressure diminishes, and automatic control system is then cut off the oil feeding line of the oil hydraulic motor of respective numbers as required automatically, makes whole system recover pressure, steady-working state.
The advantage of Wave power generation device of the present invention is 1) pollution-free, energy sources is extensive, and is inexhaustible, use not to the utmost.2) found the factory in the sea, do not tie up land resources.3) technology is simple than water power, thermoelectricity, and construction duration is short.4) cost of electricity-generating is low, can match in excellence or beauty with big water power.5) scale of founding the factory can be big, can be little, and very flexible, and extend very convenient, easy.
Describe the embodiment of the invention in detail below in conjunction with accompanying drawing.
Fig. 1: unit profile schematic representation
Fig. 2: the A-A sectional view among Fig. 1
Fig. 3: associating buoyancy aid schematic representation
Fig. 4: scheme of installation of the present invention
Fig. 5: hydraulic system schematic representation
Wave power generation device of the present invention comprises associating buoyancy aid and the hydraulic system that is formed by connecting through rigidity by cell cube.Cell cube is by hollow pontoon 1; fixing with hollow pontoon 1 upper end has the axis of symmetrical slotted hole 2 steel pipe 3 on it; be enclosed within outside the axis steel pipe 3 and the counterweight buoyancy aid 5 that slides up and down; be arranged in the axis steel pipe 3 and be fixed on hollow pontoon 1 upper end and the hydraulic cylinder 8 of high pressure oil oil outlet tube 6 and low pressure oil oil inlet pipe 7 is arranged at the bottom; the piston 9 that cooperates with hydraulic pressure body cylinder 8; one end is connected with piston 9; the other end is fixedly connected on piston push rod 10 on the counterweight buoyancy aid 5 with key pin 4 by symmetrical slotted hole 2; and one end be fixed on hydraulic cylinder 8 upper ends, the waterproofing guaranteeding jacket 11 that the other end is fixed on piston push rod 10 upper ends constitutes.The two ends of rigidity cant beam 12 are separately fixed on the hollow pontoon 1 of adjacent cells body, form the associating buoyancy aid.Hydraulic system comprises generator 13, oil hydraulic motor 14, low pressure oil storage tank 15, high-voltage energy storage device 21, high-pressure oil passage 16, low pressure oil circuit 17 and solenoid valve 18, one-way valve 19, relief valve 20, their annexation is, low pressure oil oil inlet pipe 7 is by after one-way valve 19 parallel connections, connect low pressure oil storage tank 15 through low pressure oil circuit 17, low pressure oil storage tank 15 is connected with oil hydraulic motor 14 simultaneously, the high pressure oil oil outlet tube 6 of each hydraulic cylinder 8 is by one-way valve 19 parallel connections, by high-pressure oil passage 16 through high-voltage energy storage device 21, solenoid valve 18 is connected with oil hydraulic motor 14, oil hydraulic motor 14 is connected with generator 13 simultaneously, and 17 of high-pressure oil passage 16 and low pressure oil circuits are connected with relief valve 20.Control system of the present invention is installed in the operating room 22.
Claims (6)
1; a kind of Wave power generation device; comprise power collecting device and hydraulic system two-part; it is characterized in that the power collecting device is the associating buoyancy aid that is formed by connecting through rigidity by cell cube; cell cube is by hollow pontoon; with the axis steel pipe of fixing and have symmetrical slotted hole on the hollow pontoon; be enclosed within the counterweight buoyancy aid that the axis steel pipe is outer and slide up and down; be arranged in the axis steel pipe and be fixed on the hydraulic cylinder that high pressure oil oil outlet tube and low pressure oil oil inlet pipe are arranged at its bottom, hollow pontoon upper end; the piston that cooperates with hydraulic cylinder; one end is fixedlyed connected with piston; the piston push rod that the other end is fixedlyed connected with the counterweight buoyancy aid; and one end be fixed on hydraulic cylinder upper end; the waterproofing guaranteeding jacket that the other end is fixed on the piston push rod upper end constitutes, and the high pressure oil oil outlet tube is connected with hydraulic system with the low pressure oil oil inlet pipe.
2, Wave power generation device as claimed in claim 1 is characterized in that the other end of piston push rod is to fixedly connected by the symmetrical slotted hole counterweight buoyancy aid outer with being enclosed within the axis steel pipe with key pin with fixedlying connected of counterweight buoyancy aid.
3, Wave power generation device as claimed in claim 1 is characterized in that waterproofing guaranteeding jacket is collapsible scalable waterproofing guaranteeding jacket.
4, Wave power generation device as claimed in claim 1 is characterized in that the associating buoyancy aid is to constitute by being mutually permanently connected by the rigidity cant beam between the adjacent cells body.
5, Wave power generation device as claimed in claim 1 is characterized in that hydraulic system comprises generator, oil hydraulic motor, low pressure oil storage tank, high-voltage energy storage device, high-pressure oil passage, low pressure oil circuit and valve.
6, Wave power generation device as claimed in claim 5, the annexation that it is characterized in that hydraulic system is, connect the low pressure oil storage tank by the low pressure oil circuit after the parallel connection of low pressure oil oil inlet pipe, the low pressure oil storage tank is connected with the weary oil export of oil hydraulic motor simultaneously, be connected with oil hydraulic motor through high-voltage energy storage device, solenoid valve by high-pressure oil passage after the high pressure oil oil outlet tube parallel connection of each hydraulic cylinder, oil hydraulic motor is connected with generator simultaneously, is connected with relief valve between high-pressure oil passage and low pressure oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98112040A CN1069119C (en) | 1998-06-03 | 1998-06-03 | Sea wave power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98112040A CN1069119C (en) | 1998-06-03 | 1998-06-03 | Sea wave power generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1199822A CN1199822A (en) | 1998-11-25 |
| CN1069119C true CN1069119C (en) | 2001-08-01 |
Family
ID=5221919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98112040A Expired - Fee Related CN1069119C (en) | 1998-06-03 | 1998-06-03 | Sea wave power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1069119C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO322807B1 (en) * | 2005-05-25 | 2006-12-11 | Lycro As | Device by bulb pump |
| CN102345552B (en) * | 2010-07-30 | 2013-05-01 | 昆山攀特电陶科技有限公司 | Piezoelectric sea wave power generation system |
| CN102022248A (en) * | 2010-09-25 | 2011-04-20 | 杨超 | A floating type wave power generation system |
| CN102588199A (en) * | 2012-02-09 | 2012-07-18 | 谭军 | Wave energy converting device |
| US20150345462A1 (en) * | 2012-12-31 | 2015-12-03 | Yaolin Hu | Water pressurizing intergrated energy conversion and power-generation system collecting marine wave energy |
| CN103899469B (en) * | 2012-12-31 | 2016-08-10 | 胡耀林 | Setting-out integrated form gathers ocean wave energy and energy conversion power generation system |
| CN103994020B (en) * | 2014-05-26 | 2016-03-30 | 天津大学 | Type multi cylinder Pneumatic Wave Power device in upright arrangement |
| CN103967730A (en) * | 2014-05-26 | 2014-08-06 | 刁鸣功 | Novel surge floating body energy storage type water absorption set |
| CN104314741A (en) * | 2014-10-09 | 2015-01-28 | 长沙理工大学 | Double-floating-body type wave energy power generation device utilizing water turbine |
| CN108590941B (en) * | 2018-04-20 | 2020-02-18 | 大连理工大学 | Device for collecting wave energy by utilizing wave hydrodynamic pressure |
| CN109098922A (en) * | 2018-09-28 | 2018-12-28 | 汪涛 | A kind of wave energy generating set |
| CN113309657A (en) * | 2021-06-15 | 2021-08-27 | 东南大学 | Wave power generation device based on magnetic lead screw |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US426332A (en) * | 1890-04-22 | Ferdinand schaaf | ||
| WO1989007197A1 (en) * | 1988-01-26 | 1989-08-10 | Burton Lawrence C | Wave generator |
| CN1082148A (en) * | 1992-05-22 | 1994-02-16 | 林明植 | Wave power generation device |
| WO1997037123A1 (en) * | 1996-04-02 | 1997-10-09 | A.P. Van Den Berg Beheer B.V. | Submerged hydropneumatic wave energy converter |
-
1998
- 1998-06-03 CN CN98112040A patent/CN1069119C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US426332A (en) * | 1890-04-22 | Ferdinand schaaf | ||
| WO1989007197A1 (en) * | 1988-01-26 | 1989-08-10 | Burton Lawrence C | Wave generator |
| CN1082148A (en) * | 1992-05-22 | 1994-02-16 | 林明植 | Wave power generation device |
| WO1997037123A1 (en) * | 1996-04-02 | 1997-10-09 | A.P. Van Den Berg Beheer B.V. | Submerged hydropneumatic wave energy converter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1199822A (en) | 1998-11-25 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 12 of the detailed rules for the implementation of the patent law: 98112040.7 of the invention patents in the current issue of authorization announcement, and at the same time corresponding to the 98228943.X utility model patent to be given up, and in the 17 volume of the 31 issue of the new type of communique on the patent right to abandon the announcement. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |