CN101694203A - Submerged generating device directly utilizing liquid metal magnetic fluid wave energy - Google Patents
Submerged generating device directly utilizing liquid metal magnetic fluid wave energy Download PDFInfo
- Publication number
- CN101694203A CN101694203A CN200910235590A CN200910235590A CN101694203A CN 101694203 A CN101694203 A CN 101694203A CN 200910235590 A CN200910235590 A CN 200910235590A CN 200910235590 A CN200910235590 A CN 200910235590A CN 101694203 A CN101694203 A CN 101694203A
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- urceolus
- inner core
- master
- generator
- 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.)
- Pending
Links
Images
Classifications
-
- 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
Abstract
A submerged generating device directly utilizing liquid metal magnetic fluid wave energy consists of an outer barrel (1), a piston rod (2), a return spring (13), an inner barrel (3), a piston (4), a main hydraulic cylinder (5), a rigid support (11), a base (12), n (n=1, 2, 3...) hydraulic units and n (n=1, 2, 3...) liquid metal magnetic fluid generators. The outer barrel (1) is coaxial with an inner barrel (3), the inner barrel (3) is fixed on the rigid support (11), the inner barrel (3) is fixedly connected with the rigid support (11) and the base (12), the base (12) is fixed on a seabed, the outer barrel (3) is connected with the piston (4) which is coaxially arranged in the main hydraulic cylinder (5) via the piston rod (2) which is arranged along an central axis of the inner barrel (3), the return spring (13) is sleeved outside the piston rod (2), the main hydraulic cylinder (5), the n hydraulic units and the n liquid metal magnetic fluid generators are arranged in the inner barrel (3), and the whole device is vertically arranged below the sea level.
Description
Technical field
The present invention relates to a kind of liquid metal magnetic fluid wave energy direct generating device, particularly be immersed in the directly driving type liquid-state metal magnetic fluid wave energy electricity generating device of the following certain depth in sea.
Technical background
Wave energy is with big active force (several tons ~ tens of tons power), and a kind of energy that the form of low speed (0.5-2m/s) exists is the highest, the energy that accounts for the largest percentage of grade in the ocean energy.Along with reducing gradually of world's fossil energy and increasing the weight of day by day of environmental pollution, one of clean reproducible energy that wave energy is first-selected beyond doubt, and wave-energy power generation is positioned at the first place of regenerable marine energy development and use.
The conventional wave wave energy for generating electricity adopts at a high speed, the rotary generator of low torque, the wave motion of itself and low speed, big active force to be coupled, must adopt the mechanical device of a series of transformation of energy and speed change, as air vane, low head water turbine, hydraulic system, speed change gear etc.Thereby traditional Wave energy generating system is made up of wave collecting device, intermediate conversion device and rotary generator, adopts the indirect power generation mode, the system architecture complexity, involve great expense, conversion efficiency is low, operation maintenance is complicated.In order to improve the energy conversion efficiency and the stability of a system, people have carried out a large amount of research and exploration.Chinese invention patent 200610124330.7 discloses a kind of hydraulic cylinder down-suspension floater wave energy generating system, the wave energy of buoyancy aid collection is replied oil hydraulic cylinder, hydraulic accumulator and oil hydraulic motor by spring and is converted stable rotation mechanical energy to, converts electric energy to by rotary generator again.Chinese invention patent 200710176513.8 discloses a kind of submerged floating ocean wave energy generating set, and the wave energy that the wave pendulum absorbs makes the water turbine motion by drive link, hydraulic speed-changing system, and then the driven rotary generator for electricity generation.Chinese invention patent 200810061810.2 discloses a kind of direct driving wave energy conversion device of contactless energy delivery system, and the straight line motion that the contactless energy delivery system of forming by circle ring column shape permanent magnet and annular break iron produces wave energy directly converts to efficiently to rotatablely move simply fast and drives the work of permanent-magnet synchronous rotary generator.As seen, present research work has improved the stability and the conversion efficiency of intermediate conversion device to a certain extent, yet, can not fundamentally solve the matching problem of wave energy kinetic characteristic and rotary generator drag characteristic, still there is the intermediate conversion device, even because hydraulic energy-accumulating system or contactless energy delivery system and complicated more.So these wave energy generating sets can not be simplified the transfer process of wave energy to electric energy, the conversion efficiency of Wave energy generating system and stability can not get substantial raising.
Thereby the direct drive generator that is coupled with the wave motion characteristic and new-type wave having occurred can generation mode, as permanent magnet linear generator and magnetohydrodynamic generator mode.
Archimedes's wave pendulum (AWS) of Holland development is the direct electricity generating device (HenkPolinder of conversion of first wave energy in the world, Michiel E.C.Damen, Fred Gardner, Linear PM Generator System for WaveEnergy Conversion in the AWS, IEEE Transaction on Energy Conversion, vol.19, no.3, Sep.2004).It mainly is made up of floating drum, float and permanent synchronous linear generator.Floating drum is a steel wall cylinder that is full of air, and the lid at top is called float; When wave came, the air in the floating drum was owing to the effect of hydraulic pressure, and volume reduces, and float moves downward; After crest was gone over, the air in the floating drum was because the expanding volume of air pressure increases, and float up moves.The mover of permanent synchronous linear generator links to each other with float, and the to-and-fro motion of float just can be directly changed into electric energy output by linear electric generator like this.The testing apparatus of AWS carries out power generation test in May, 2004 at Portugal's seashore, generates electricity by way of merging two or more grid systems successfully first October in the same year.But in running, the generator table of AWS device reveals tangible deficiency: generator is too big, and cost is too high; Suction between mover and the stator is big, brings very big problem for the support system of bearing; Simultaneously, also there are problems such as the loss of generator and cooling.Chinese invention patent 87106457A discloses a kind of reciprocating linear type wave generater, the tablet permanent magnet linear generator is contained in the buoy, waved by the effect of wave and periodicity with buoyancy aid, the flat board of the embedded relatively coil of magnet slide block is done linear reciprocating motion, coil cutting movement magnetic field, the induction generating.Be subjected to the restriction of buoyancy aid oscillating motion, this hydroelectric wave generator output power is limited, can only be used in small-power electrical equipment equipment such as buoy.Chinese patent 200410009793.X discloses a kind of wave-type electric generator based on the permanent magnetism oscillator, there is a weight at the center of device, the permanent magnetism oscillator that connects a plurality of permanent magnet linear generators by wire rope, fluctuating along with wave, weight pulling permanent magnetism oscillator moves reciprocatingly, make the winding output electric energy that is placed on the generator unit stator by electromagnetic induction, this device has been simplified the transfer process of wave energy to electric energy, simple in structure, use flexible.Yet this device swims in the sea, and anti-storm is poor, when meeting strong storm, be dragged to the harbor with ship in advance, has limited the flexibility of its use.
1979, U. S. Patent 4151423 disclosed a kind of electricity generating device that utilizes magnetic fluid (MHD) generator wave energy to be directly changed into electric energy.This device is made up of the MHD passage and the magnet of a horizontal positioned, and seawater is under the effect of wave pump, and horizontal flow is crossed the MHD passage, and cutting magnetic line produces electric current.
1991, U. S. Patent 5136173 disclosed a kind of magnetic fluid wave energy direct generating system.This system comprises a MHD generator that vertically is suspended in the deep water, and its upper end links with a float that floats over the sea.MHD passage in the MHD generator is along with the fluctuation up and down of float, the stable seawater in relative depths move up and down.Be furnished with a high magnetic fields that produces by electromagnet or additive method (as superconduction etc.) in the substantially horizontal of MHD passage, and place pair of electrodes in channel interior.With the interaction in magnetic field under, the seawater that flows produces induced electromotive force; Connect load by cable, the output electric energy; By power conversion system, can be the user stable power supply is provided.This system adopts the low seawater of conductivity as working fluid, and efficient is low, is difficult to practicality.2005, U. S. Patent 0146140A1 disclosed a kind of liquid metal magnetohydrodynamic (LMMHD) wave energy direct generation of electricity cell arrangement, adopted high conductivity (to be about seawater 10
6Liquid metal doubly) is as the working fluid in the MHD passage, and then improved the efficient and the practicability of device.This device mainly utilizes the vertical motion of wave, adopts the arrangement on vertical sea level, and point is absorption catches unrestrained device-buoys float on the sea level, and anti-storm is poor.In addition, moving upward of float realize by crest, and during trough, because the phase difference between float and the wave, the downward answer of float needs outer weighting material realization, thereby, reduced the energy conversion efficiency of system.
Chinese patent 200610144400.5 discloses a kind of single tube double way liquid-state metal magnetic fluid wave energy direct generation of electricity cell arrangement, by U type pipeline, magnet, magnetic fluid electrode, elastic container and and rigid container form.This device adopts two power channels, has eliminated the influence in the magnetic field of inducting.Yet U type pipeline, magnet, elastic container etc. are placed directly in the seawater, have problems such as corrosion and leakage, poor practicability.Chinese patent 200810116532.6 discloses a kind of swinging type wave energy fluid metal magnetohydrodynamic electricity generation float tube, and is across the sea floating, and liquid metal with magnetic field interaction, produces induced electromotive force along with fluctuating to-and-fro motion in power channel of wave.This electricity generation float tube conversion efficiency height, specific power is big, simple and compact for structure, with low cost, mobility is good, but output characteristics changes with the variation of wave, has very big randomness and unstability, and across the sea floating, and anti-storm is poor.
Summary of the invention
For overcoming the shortcoming of prior art, the present invention proposes a kind of conversion efficiency height, submerged type liquid metal magnetohydrodynamic (LMMHD) wave energy direct electric power generator that anti-storm is good, stable.
Purpose of the present invention is achieved through the following technical solutions.
Submerged type LMMHD wave energy direct electric power generator of the present invention adopts and is immersed in undersea wave energy cylinder form point absorption plant and directly driving type liquid metal magnetohydrodynamic generation mode, directly wave potential energy is converted to electric energy.The present invention is mainly by urceolus, piston rod, returning spring, inner core, piston, master hydraulic cylinder, rigid support, pedestal and n (n=1,2,3 ...) individual hydraulic unit and n (n=1,2,3 ...) individual liquid metal magnetohydrodynamic (LMMHD) generator composition.Urceolus and inner core are coaxial and at the Vertical direction suit, urceolus and inner core are formed floating drum, are full of pressurized air in the floating drum and are immersed in below the sea fully; Inner core is fixed on the rigid support, and inner core connects firmly by rigid support and pedestal, and pedestal is fixed on the sea bed; Whole device is arranged vertically in several meters to tens meters dark seawater of b.s.l..
Floating drum is a wave energy cylinder form point absorption plant, and the internal diameter of urceolus is slightly larger than the external diameter of inner core, is provided with axial slide rail between the inside and outside tube, and inside and outside tube is for being slidingly matched; Urceolus can vertically be free to slide, and places the piston in the master hydraulic cylinder to connect by the piston rod along the setting of inner core central shaft with coaxial.Piston rod is set with returning spring outward, and the upper end of returning spring is fixed on the inwall of urceolus, the outer wall of the master hydraulic cylinder that the lower end is fixing; Returning spring compression during crest, returning spring is upheld during trough, and with the pressurized air acting in conjunction, promote urceolus and move upward.
Master hydraulic cylinder, a n hydraulic unit and n LMMHD generator are placed in the inner core; N hydraulic unit and the circumferencial direction of n LMMHD generator outside master hydraulic cylinder are uniform, and a hydraulic unit and a LMMHD generator connect firmly.It is hydraulic system that master hydraulic cylinder and n hydraulic unit is communicated with, and the communicating space that a master hydraulic cylinder and n hydraulic unit is formed is full of hydraulic oil.Hydraulic unit is by upper chamber, and last connecting pipeline, lower chamber and following connecting pipeline are formed.Upper and lower hydraulic chamber outside master hydraulic cylinder is that the circumferencial direction at center is arranged vertically with the master hydraulic cylinder, upper and lower connecting pipeline is the circumferencial direction horizontal arrangement at center with the master hydraulic cylinder outside master hydraulic cylinder also, and upper and lower hydraulic chamber is communicated with master hydraulic cylinder by upper and lower connecting pipeline respectively.
N LMMHD generator outside master hydraulic cylinder is the circumferencial direction vertical distribution equably at center with the master hydraulic cylinder, and each LMMHD generator connects firmly mutually with a hydraulic unit.The LMMHD generator is made up of upper and lower bellows, magnetic fluid (MHD) power channel, magnet, pair of plates electrode and liquid metal generating working medium.Upper and lower bellows is coaxial respectively to be placed in the upper and lower hydraulic chamber of corresponding hydraulic unit, and connects firmly with it.Be the MHD power channel between the upper and lower bellows, and form a confined space that the liquid metal generating working medium is done back and forth flowing of Vertical direction at this confined space with the MHD power channel.The MHD power channel vertically passes the magnetic hole of magnet, and pair of plates shape electrode pair is attached on the inwall parallel with magnetic direction in the MHD power channel.The MHD power channel is made by magnetic conduction non electrically conductive material not, and its cross section is a rectangle or square.Magnet is a dipolar, can adopt permanent magnet or other forms of magnet, and magnet produces the magnetic field perpendicular to flow direction.
During crest, the pressure that acts on the urceolus increases suddenly, urceolus moves downward, the piston that drives in the master hydraulic cylinder by the piston rod that connects firmly with it moves downward, and the hydraulic oil in the master hydraulic cylinder is pressed into the lower chamber of n hydraulic unit, and the hydraulic oil in the lower chamber increases gradually, the following bellows contract that compressing is corresponding with it, and then drive liquid metal and flow to bellows vertically upward, last bellows elongation forces the hydraulic oil in the upper chamber to pass through last connecting pipeline inflow master hydraulic cylinder; Returning spring is compressed simultaneously, and volume of air reduces in the floating drum, and pressure increases gradually.During trough, the pressure that acts on the urceolus reduces suddenly, in floating drum under the effect of air pressure and returning spring, urceolus moves upward, driving piston by the piston rod that connects firmly with it moves upward, hydraulic oil in the master hydraulic cylinder is pressed into the upper chamber of n hydraulic unit, hydraulic oil in the upper chamber increases gradually, the last bellows contract that compressing is corresponding with it, and then the driving liquid metal flow to down bellows vertically downward, following bellows elongation forces the hydraulic oil in the lower chamber to pass through connecting pipeline inflow master hydraulic cylinder down; The volume of air increases in the floating drum simultaneously, and pressure reduces gradually, and returning spring is replied gradually even might be stretched.Like this, the potential energy of wave converts the kinetic energy of liquid metal generating working medium in the MHD power channel to by floating drum.The liquid metal that flows with the interaction in magnetic field under, produce induced electromotive force; Connect load by electrode, cable again, the output electric energy.N LMMHD generator is connected in series, and can further improve output voltage.
As the case may be, the present invention is vertically immersed in the seawater of the following certain depth in sea, and anti-storm is good; And mainly utilize the potential energy of wave, it is little that system's output characteristics is influenced by randomicity of waves; Adopt the directly driving type liquid-metal MHD generator, improved the transformation efficiency and the output power density of system; Adopt serial fashion to connect induced electromotive force in n the MHD power channel, improved the output voltage of electricity generating device, reduced by big electric current, low voltage, further improved the practicability of installing to stablizing the difficulty that available electrical energy changes and the cost of device.
Description of drawings
Fig. 1 is specific embodiment of the invention submerged type liquid metal magnetohydrodynamic (LMMHD) wave energy direct electric power generator schematic representation, and among the figure: 1 is urceolus; 2 is piston rod; 3 is inner core; 4 is piston; 5 is master hydraulic cylinder; 6-1 is last connecting pipeline, and 6-2 is following connecting pipeline; 7-1 is a upper chamber, and 7-2 is a lower chamber; 8-1 is last bellows, and 8-2 is following bellows; 9 is magnet; 10 is magnetic fluid (MHD) power channel; 11 is rigid support; 12 is pedestal; 13 is returning spring.
Fig. 2 is a liquid-metal MHD generator of specific embodiment of the invention submerged type LMMHD wave energy direct electric power generator and the partial enlarged drawing of a corresponding hydraulic unit.
Fig. 3 is a specific embodiment of the invention submerged type LMMHD wave energy direct electric power generator working principle, and wherein Fig. 3 a is a crest, and Fig. 3 b is a trough.
Embodiment
Further specify the present invention below in conjunction with the drawings and the specific embodiments.
Fig. 1 is a specific embodiment of the invention schematic representation.As shown in Figure 1, the specific embodiment of the invention is mainly by urceolus 1, piston rod 2, and returning spring 13, inner core 3, piston 4, master hydraulic cylinder 5, rigid support 11, pedestal 12 and 16 hydraulic units and 16 LMMHD generators are formed.Urceolus 1 and inner core 3 are coaxial and at the Vertical direction suit, urceolus 1 and inner core 3 are formed floating drums, are full of pressurized air in the floating drum and are immersed in below the sea fully; Inner core 3 is fixed on the rigid support 11, and inner core 3 connects firmly by rigid support 11 and pedestal 12, and pedestal 12 is fixed on the sea bed; Whole device is arranged vertically below the sea in several meters to the tens meters dark seawater.
Floating drum is a wave energy cylinder form point absorption plant, and the internal diameter of urceolus 1 is slightly larger than the external diameter of inner core 3, is provided with axial slide rail between inner core 3 and the urceolus 1, and inner core 3 and urceolus 1 are for being slidingly matched; Urceolus 1 can vertically be free to slide, and places the piston 4 in the master hydraulic cylinder 5 to connect by the piston rod 2 along inner core 3 central shaft settings with coaxial.Be set with returning spring 13 outside the piston rod 2, the upper end of returning spring 13 is fixed on the inwall of urceolus 1, the outer wall of the master hydraulic cylinder 5 that the lower end is fixing; Returning spring 13 shrinks during crest, and returning spring 13 is upheld during trough, and with the pressurized air acting in conjunction, promote urceolus 1 and move upward.
5,16 hydraulic units of master hydraulic cylinder and 16 LMMHD generators are placed in the inner core 3; 16 hydraulic units and the circumferencial direction of 16 LMMHD generators outside master hydraulic cylinder 5 are uniform, and a hydraulic unit and a LMMHD generator connect firmly.Master hydraulic cylinder 5 and 16 hydraulic units are communicated with and are hydraulic system, and the communicating space that master hydraulic cylinder 5 and 16 hydraulic units are formed is full of hydraulic oil.Hydraulic unit is by the 7-1 of upper chamber, and last connecting pipeline 6-1, the 7-2 of lower chamber and following connecting pipeline 6-2 form.Upper and lower hydraulic chamber 7-1 and 7-2 are that the circumferencial direction at center is arranged vertically with master hydraulic cylinder 5 outside master hydraulic cylinder 5, upper and lower connecting pipeline 6-1 and 6-2 also horizontal arrangement are on the circumferencial direction at center with master hydraulic cylinder 5 outside master hydraulic cylinder 5, and upper and lower hydraulic chamber 7-1 and 7-2 are communicated with master hydraulic cylinder 5 by upper and lower connecting pipeline 6-1 and 6-2 respectively.
16 LMMHD generators are the circumferencial direction vertical distribution equably at center with master hydraulic cylinder 5 outside master hydraulic cylinder 5, connect firmly mutually one by one with 16 hydraulic units.A LMMHD generator is by upper and lower bellows 8-1,8-2, MHD power channel 10, and magnet 9, pair of plates electrode and liquid metal generating working medium are formed; Described upper and lower bellows 8-1 and 8-2 be coaxial to be placed in the upper and lower hydraulic chamber 7-1 and 7-2 of corresponding hydraulic unit, and connects firmly with upper and lower hydraulic chamber 7-1 and 7-2.MHD power channel 10 and is formed a confined space with described upper and lower bellows 8-1 and 8-2 between described upper and lower bellows 8-1 and 8-2, the liquid metal generating working medium is done back and forth flowing of Vertical direction in this confined space.MHD power channel 10 vertically passes the magnetic hole of magnet 9, and plate-shaped electrode is to being attached on the inwall parallel with magnetic direction in the MHD power channel 10; MHD power channel 10 is made by magnetic conduction non electrically conductive material not, and its cross section is a rectangle or square.Magnet 9 is a dipolar, can adopt permanent magnet or other forms of magnet, the magnetic field that magnet 9 produces perpendicular to flow direction.
Fig. 2 is a liquid-metal MHD generator of specific embodiment of the invention submerged type LMMHD wave energy direct electric power generator and the partial enlarged drawing of a hydraulic unit corresponding with it.Upper and lower bellows 8-1, the 8-2 of LMMHD generator be coaxial to be placed in the upper and lower hydraulic chamber 7-1 and 7-2 of hydraulic unit, and connects firmly with upper and lower hydraulic chamber 7-1 and 7-2 respectively.The liquid metal generating working medium is done back and forth flowing of Vertical direction by MHD power channel 10 in the confined space that upper and lower bellows 8-1 and 8-2 form.The airtight flowing space that the internal surface of last bellows 8-1 outer surface and the 7-1 of upper chamber is formed is full of hydraulic oil; The airtight flowing space that the internal surface of following bellows 8-2 outer surface and the 7-2 of lower chamber is formed is full of hydraulic oil.
Specific embodiment of the invention submerged type LMMHD wave energy direct electric power generator working procedure as shown in Figure 3.
Shown in Fig. 3 a, during crest, the pressure that acts on the urceolus 1 increases suddenly, urceolus 1 moves downward, the piston 4 that drives in the master hydraulic cylinder 5 by the piston rod 2 that connects firmly with it moves downward, hydraulic oil in the master hydraulic cylinder 5 is pressed into the 7-2 of lower chamber of 16 hydraulic units, hydraulic oil among the 7-2 of lower chamber increases gradually, oppressing bellows 8-2 down on the other side shrinks, and then the driving liquid metal flow to bellows 8-1 vertically upward, last bellows 8-1 elongation forces the hydraulic oil among the 7-1 of upper chamber to flow into master hydraulic cylinder 5 by last connecting pipeline 6-1; Returning spring 13 is compressed simultaneously, and volume of air reduces in the floating drum, and pressure increases gradually.Shown in Fig. 3 b, during trough, the pressure that acts on the urceolus 1 reduces suddenly, in floating drum under the effect of air pressure and returning spring 13, urceolus 1 moves upward, driving piston 4 by the piston rod 2 that connects firmly with it moves upward, hydraulic oil in the master hydraulic cylinder 5 is pressed into the 7-1 of upper chamber of 16 hydraulic units, hydraulic oil among the 7-1 of upper chamber increases gradually, oppressing the bellows 8-1 of going up on the other side shrinks, and then drive liquid metal and flow to down bellows 8-2 vertically downward, following bellows 8-2 elongation forces hydraulic oil among the 7-2 of lower chamber by connecting pipeline 6-2 inflow master hydraulic cylinder 5 down; Returning spring 13 is upheld simultaneously, and the volume of air increases in the floating drum, and pressure reduces gradually.Like this, the potential energy of wave converts the kinetic energy of liquid metal generating working medium in the MHD power channel 10 to by floating drum.The liquid metal that flows with the interaction in magnetic field under, produce induced electromotive force; Connect load by electrode, cable again, the output electric energy.16 LMMHD generators are connected in series, and can further improve output voltage.
Claims (5)
1. submerged generating device directly utilizing liquid metal magnetic fluid wave energy, it is characterized in that: described electricity generating device is by urceolus (1), piston rod (2), returning spring (13), inner core (3), piston (4), master hydraulic cylinder (5), rigid support (11), pedestal (12) and n hydraulic unit and n liquid-metal MHD generator are formed n=1,2,3...; Urceolus (1) and inner core (3) are coaxial, and inner core (3) is fixed on the rigid support (11), and inner core (3) connects firmly by rigid support (11) and pedestal (12), and pedestal (12) is fixed on the sea bed; Urceolus (1) places the piston (4) in the master hydraulic cylinder (5) to connect by the piston rod (2) that is provided with along inner core (3) central shaft with coaxial; Returning spring (13) is sleeved on outside the piston rod (2); Master hydraulic cylinder (5), a n hydraulic unit and n liquid-metal MHD generator are placed in the inner core (3); The whole generating device is arranged vertically at b.s.l..
2. according to the described electricity generating device of claim 1, it is characterized in that: described urceolus (1) and the vertical suit of inner core (3), and be immersed in below the sea fully; The inside of urceolus (1) and inner core (3) all is full of pressurized air; The internal diameter of urceolus (1) is slightly larger than the external diameter of inner core (3), and urceolus (1) and inner core (3) are for being slidingly matched; Urceolus (1) can vertically be free to slide.
3. according to the described electricity generating device of claim 1, it is characterized in that: described master hydraulic cylinder (5) and n hydraulic unit are communicated with, and master hydraulic cylinder (5) and n hydraulic unit all are full of hydraulic oil, and master hydraulic cylinder (5) and n hydraulic unit are fixed in the inner core (3); N hydraulic unit is uniform along the excircle of master hydraulic cylinder (5); Hydraulic unit is by upper chamber (7-1), and last connecting pipeline (6-1), lower chamber (7-2) and following connecting pipeline (6-2) are formed; Upper and lower hydraulic chamber (7-1,7-2) is that the circumferencial direction at center is arranged vertically with master hydraulic cylinder (5) outside master hydraulic cylinder (5), upper and lower connecting pipeline (6-1,6-2) also horizontal arrangement is on the circumferencial direction at center with master hydraulic cylinder (5) outside master hydraulic cylinder (5), and upper and lower hydraulic chamber (7-1,7-2) is communicated with master hydraulic cylinder (5) by upper and lower connecting pipeline (6-1,6-2) respectively; Each hydraulic unit and a liquid-metal MHD generator connect firmly.
4. according to the described electricity generating device of claim 1, it is characterized in that: the upper end of described returning spring (13) is fixed on the inwall of urceolus (1), the outer wall of the master hydraulic cylinder (5) that the lower end is fixing; Returning spring during crest (13) is compressed, and returning spring during trough (13) is upheld, and with the pressurized air acting in conjunction, promote urceolus (1) and move upward.
5. according to the described generator unit device of claim 1, it is characterized in that: a described n liquid-metal MHD generator is the center with master hydraulic cylinder (5), is connected in series at the even vertical distribution n of excircle of master hydraulic cylinder (a 5) liquid-metal MHD generator; Each liquid-metal MHD generator is by upper and lower bellows (8-1,8-2), magnetohydrodynamic generator passage (10), and magnet (9), pair of plates electrode and liquid metal generating working medium are formed; Upper and lower bellows (8-1,8-2) is coaxial to be placed in the upper and lower hydraulic chamber (7-1,7-2) of corresponding hydraulic unit, and upper and lower bellows (8-1,8-2) connects firmly with the upper and lower hydraulic chamber (7-1,7-2) of corresponding hydraulic unit respectively; Magnetohydrodynamic generator passage (10) and is formed a confined space with upper and lower bellows (8-1,8-2) between upper and lower bellows (8-1,8-2), the liquid metal generating working medium is done back and forth flowing of Vertical direction at this confined space; Magnetohydrodynamic generator passage (10) vertically passes the magnetic hole of magnet (9), and plate-shaped electrode is to being attached on the inwall parallel with magnetic direction in the magnetohydrodynamic generator passage (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910235590A CN101694203A (en) | 2009-09-29 | 2009-09-29 | Submerged generating device directly utilizing liquid metal magnetic fluid wave energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910235590A CN101694203A (en) | 2009-09-29 | 2009-09-29 | Submerged generating device directly utilizing liquid metal magnetic fluid wave energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101694203A true CN101694203A (en) | 2010-04-14 |
Family
ID=42093191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910235590A Pending CN101694203A (en) | 2009-09-29 | 2009-09-29 | Submerged generating device directly utilizing liquid metal magnetic fluid wave energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101694203A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199670A (en) * | 2013-02-20 | 2013-07-10 | 中国科学院电工研究所 | Magnetic fluid electric generator taking low-melting-point gallium alloy as electricity generating working medium |
| CN103216379A (en) * | 2012-01-19 | 2013-07-24 | 宁波市镇海西门专利技术开发有限公司 | Tide pressure actuated power generation device |
| CN103334868A (en) * | 2013-06-18 | 2013-10-02 | 中国科学院电工研究所 | Magnetofluid wave energy underwater charge platform |
| CN103485970A (en) * | 2013-09-30 | 2014-01-01 | 浙江大学舟山海洋研究中心 | Stretchy suspension pendulum device capable of capturing wave energy |
| CN104131944A (en) * | 2014-07-16 | 2014-11-05 | 东南大学 | Marine ocean wave generating device outputting constant power |
| CN106357084A (en) * | 2016-11-29 | 2017-01-25 | 无锡斯科海洋科技有限公司 | Double-channel liquid metal magnetic fluid power generator |
| CN108590941A (en) * | 2018-04-20 | 2018-09-28 | 大连理工大学 | A kind of device for collecting wave energy using wave flowing pressure |
| CN109098922A (en) * | 2018-09-28 | 2018-12-28 | 汪涛 | A kind of wave energy generating set |
| CN109578198A (en) * | 2018-11-23 | 2019-04-05 | 山东大学 | A kind of double hydrofoil heaves-pitching couple movement oscillatory type tidal current energy generating equipment |
| CN110620487A (en) * | 2019-10-22 | 2019-12-27 | 中国科学院电工研究所 | Closed reciprocating drive liquid metal magnetohydrodynamic generator |
| CN113464351A (en) * | 2021-08-02 | 2021-10-01 | 大连海事大学 | Device for directly converting fluid kinetic energy into electric energy |
-
2009
- 2009-09-29 CN CN200910235590A patent/CN101694203A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216379A (en) * | 2012-01-19 | 2013-07-24 | 宁波市镇海西门专利技术开发有限公司 | Tide pressure actuated power generation device |
| CN103199670A (en) * | 2013-02-20 | 2013-07-10 | 中国科学院电工研究所 | Magnetic fluid electric generator taking low-melting-point gallium alloy as electricity generating working medium |
| CN103334868B (en) * | 2013-06-18 | 2015-11-11 | 中国科学院电工研究所 | Magnetofluid wave energy underwater charge platform |
| CN103334868A (en) * | 2013-06-18 | 2013-10-02 | 中国科学院电工研究所 | Magnetofluid wave energy underwater charge platform |
| CN103485970B (en) * | 2013-09-30 | 2015-12-09 | 浙江大学舟山海洋研究中心 | Catch the scalable suspension pendulum device of wave energy |
| CN103485970A (en) * | 2013-09-30 | 2014-01-01 | 浙江大学舟山海洋研究中心 | Stretchy suspension pendulum device capable of capturing wave energy |
| CN104131944A (en) * | 2014-07-16 | 2014-11-05 | 东南大学 | Marine ocean wave generating device outputting constant power |
| CN106357084A (en) * | 2016-11-29 | 2017-01-25 | 无锡斯科海洋科技有限公司 | Double-channel liquid metal magnetic fluid power generator |
| CN106357084B (en) * | 2016-11-29 | 2020-02-14 | 中国科学院电工研究所无锡分所 | Double-channel liquid metal magnetohydrodynamic generator |
| CN108590941A (en) * | 2018-04-20 | 2018-09-28 | 大连理工大学 | A kind of device for collecting wave energy using wave flowing pressure |
| CN109098922A (en) * | 2018-09-28 | 2018-12-28 | 汪涛 | A kind of wave energy generating set |
| CN109578198A (en) * | 2018-11-23 | 2019-04-05 | 山东大学 | A kind of double hydrofoil heaves-pitching couple movement oscillatory type tidal current energy generating equipment |
| CN110620487A (en) * | 2019-10-22 | 2019-12-27 | 中国科学院电工研究所 | Closed reciprocating drive liquid metal magnetohydrodynamic generator |
| CN113464351A (en) * | 2021-08-02 | 2021-10-01 | 大连海事大学 | Device for directly converting fluid kinetic energy into electric energy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101694203A (en) | Submerged generating device directly utilizing liquid metal magnetic fluid wave energy | |
| Rhinefrank et al. | Novel ocean energy permanent magnet linear generator buoy | |
| CN101718247B (en) | Fishlike raft-type liquid-metal magnetohydrodynamic wave energy direct power generating device | |
| CN202402205U (en) | Oscillating floater type wave energy generating set | |
| CN101424242B (en) | Ocean wave duck type superconductivity magnetohydrodynamic generation system and power generation method | |
| US20060273594A1 (en) | Ocean wave generation | |
| CN101571097B (en) | Float suspended liquid metal magnetic fluid wave energy direct generating device | |
| CN106368891A (en) | Wind energy and ocean energy integrated generating set | |
| CN104061116B (en) | A kind of wave energy generating set based on series connection straight line magnetic gear motor | |
| CN106050540A (en) | Multi-float-rod wave power generation device | |
| CN104779765A (en) | Multi-level coaxial serial-parallel ocean wave power generation device | |
| CN109185025A (en) | A kind of the multiple degrees of freedom oscillating floater power generator and electricity-generating method of stormy waves combination | |
| CN101309041B (en) | Swinging type wave energy fluid metal magnetohydrodynamic electricity generation float tube | |
| CN103939267B (en) | A kind of electricity generation system of utilizing ocean wave energy and translational kinetic energy | |
| CN100563084C (en) | Magnetic transmission fluent metal magnetofluid wave energy direct electricity generation unit device | |
| CN105257463A (en) | Guide column type balance weight rope take-up floating body rope wheel wave power generation system | |
| CN110374788A (en) | Ocean power generation system | |
| CN104832363A (en) | Wave energy conversion and utilization device | |
| CN202510276U (en) | Floater push type wave energy power generation device | |
| CN104265554A (en) | Float-type direct-drive wave energy device | |
| CN202181983U (en) | Tidal power generation device | |
| CN202125397U (en) | Gyro type sea wave energy collector | |
| CN205714566U (en) | Coupled linear directly drives float type wave energy power generation | |
| CN203614314U (en) | Water surface microwave generating set | |
| CN204627839U (en) | A kind of wave energy trans-utilization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20100414 |